/* roulang page: index */
/* =========================================================
   谈球吧官网 视觉系统
   ========================================================= */
:root {
  --color-primary: #1E4A3B;
  --color-primary-dark: #153628;
  --color-accent: #EF8F3D;
  --color-accent-light: #F4A45F;
  --color-bg: #F7F4EE;
  --color-card: #FFFFFF;
  --color-text: #22312C;
  --color-text-secondary: #5E6E67;
  --color-border: #E6E9E4;
  --color-success-tint: #9DBE8D;
  --radius-btn: 10px;
  --radius-card: 14px;
  --radius-panel: 20px;
  --radius-badge: 6px;
  --shadow-card: 0 1px 3px rgba(30,74,59,0.06);
  --shadow-card-hover: 0 12px 24px rgba(30,74,59,0.12);
  --space-section: clamp(64px, 8vw, 100px);
}

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

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

ul, ol {
  list-style: none;
}

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

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

/* 按钮体系 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  padding: 12px 26px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
  line-height: 1.4;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 10px rgba(239,143,61,0.28);
}
.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(239,143,61,0.35);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
  border-width: 2px;
}
.btn-outline:hover {
  background: rgba(30,74,59,0.08);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: scale(0.98);
}
.btn-white {
  background: rgba(255,255,255,0.14);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
}
.btn-white:hover {
  background: rgba(255,255,255,0.24);
  transform: translateY(-2px);
}

/* 徽章 */
.badge {
  display: inline-block;
  background: rgba(30,74,59,0.1);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-badge);
  letter-spacing: 0.03em;
}

/* Header 导航 */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 4px rgba(30,74,59,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: inset 0 0 0 3px rgba(255,255,255,0.15);
  position: relative;
}
.brand-icon i {
  font-size: 20px;
}
.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}
.nav-list li {
  margin: 0;
}
.nav-list a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 8px;
  position: relative;
  transition: all 0.2s;
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0.4);
  transition: all 0.25s;
}
.nav-list a:hover::after,
.nav-list a.active::after {
  opacity: 1;
  transform: scaleX(1);
}
.nav-list a:hover {
  background: rgba(30,74,59,0.05);
}
.nav-list a.active {
  color: var(--color-primary);
  font-weight: 700;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-box {
  display: flex;
  align-items: center;
  background: #f5f5f0;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 7px 14px;
  width: 200px;
  transition: all 0.25s;
}
.search-box i {
  color: var(--color-text-secondary);
  font-size: 13px;
  margin-right: 8px;
}
.search-box input {
  border: none;
  background: transparent;
  font-size: 13px;
  width: 100%;
  color: var(--color-text);
}
.search-box input::placeholder {
  color: #9ca8a2;
}
.search-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30,74,59,0.1);
}
.header-cta {
  padding: 10px 22px;
  font-size: 14px;
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--color-primary);
  background: rgba(30,74,59,0.06);
  cursor: pointer;
  border: 1px solid var(--color-border);
}
.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 12px 24px 20px;
  box-shadow: 0 12px 20px rgba(0,0,0,0.06);
}
.mobile-menu a {
  display: block;
  padding: 12px 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid #f2f4f0;
}
.mobile-menu a:last-child {
  border-bottom: none;
}
.mobile-menu a.active {
  color: var(--color-primary);
  font-weight: 700;
}
.mobile-menu.show {
  display: block;
}

/* Hero 首屏 */
.hero-section {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 110px 0 100px;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(21,54,40,0.92) 0%, rgba(30,74,59,0.78) 45%, rgba(30,74,59,0.35) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  color: #fff;
}
.hero-title {
  font-size: clamp(30px, 5vw, 50px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: 0.01em;
  color: #fff;
}
.hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 30px;
  max-width: 620px;
}
.hero-question-panel {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-panel);
  padding: 22px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 34px;
  max-width: 560px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.14);
}
.hero-question-panel i {
  color: var(--color-accent);
  font-size: 26px;
  flex-shrink: 0;
}
.hero-question-panel p {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.hero-quick-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-quick-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.82);
  font-size: 13px;
  background: rgba(255,255,255,0.12);
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
}
.hero-quick-list li i {
  color: var(--color-accent-light);
  font-size: 12px;
}

/* 区块通用 */
.section {
  padding: var(--space-section) 0;
}
.section-header {
  margin-bottom: 44px;
  max-width: 720px;
}
.section-header h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 10px;
}
.section-header p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.section-header.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* 痛点区 */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.pain-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 30px 26px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  position: relative;
}
.pain-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  opacity: 0.7;
}
.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.pain-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(30,74,59,0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.pain-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
  line-height: 1.4;
}
.pain-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* 方案卡片区 2+1 */
.solution-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}
.solution-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 32px 30px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.solution-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 4px;
  background: var(--color-primary);
}
.solution-card.accent::after {
  background: var(--color-accent);
}
.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.solution-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(30,74,59,0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}
.solution-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.4;
}
.solution-card p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}
.solution-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}
.solution-more i {
  transition: transform 0.2s;
}
.solution-more:hover i {
  transform: translateX(4px);
}
.solution-wide {
  background: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  overflow: hidden;
  transition: all 0.3s ease;
}
.solution-wide:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.solution-wide-content {
  padding: 36px 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.solution-wide-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}
.solution-wide-content p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}
.solution-wide-panel {
  background: var(--color-primary-dark);
  color: #fff;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.solution-wide-panel span {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  gap: 8px;
}
.solution-wide-panel span i {
  color: var(--color-accent-light);
  width: 18px;
  text-align: center;
}

/* 成功数据区 */
.stats-section {
  background: var(--color-primary-dark);
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.stats-section .section-header h2 {
  color: #fff;
}
.stats-section .section-header p {
  color: rgba(255,255,255,0.65);
}
.stats-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px 60px;
  max-width: 960px;
  margin: 0 auto;
  padding: 10px 0 10px;
}
.stat-large {
  flex: 0 0 calc(32% - 60px);
  text-align: center;
  padding: 20px 12px;
  border-bottom: 2px solid rgba(255,255,255,0.14);
}
.stat-number {
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.04em;
}
.stat-medium {
  flex: 0 0 calc(26% - 60px);
  margin-top: 30px;
  text-align: center;
  padding: 16px 10px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-card);
}
.stat-small {
  flex: 0 0 calc(20% - 60px);
  margin-top: 30px;
  text-align: center;
  padding: 12px 8px;
}

/* 最新资讯区 */
.posts-section {
  background: var(--color-bg);
}
.posts-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 12px;
}
.posts-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.post-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  display: flex;
  gap: 20px;
  padding: 18px;
  transition: all 0.25s ease;
}
.post-item:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}
.post-thumb {
  flex-shrink: 0;
  width: 110px;
  height: 78px;
  border-radius: 10px;
  object-fit: cover;
}
.post-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  font-size: 12px;
}
.post-meta .badge {
  font-size: 11px;
}
.post-date {
  color: var(--color-text-secondary);
}
.post-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.post-title a:hover {
  color: var(--color-primary);
}
.post-excerpt {
  font-size: 13px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.5;
}
.posts-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px 20px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-card);
  color: var(--color-text-secondary);
  font-size: 15px;
  gap: 12px;
}
.posts-empty i {
  font-size: 34px;
  color: var(--color-border);
}

/* FAQ */
.faq-section {
  background: var(--color-card);
}
.accordion.custom-accordion {
  background: transparent;
  max-width: 820px;
  margin: 0 auto;
  border: none;
}
.accordion.custom-accordion .accordion-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.25s;
}
.accordion.custom-accordion .accordion-item:hover {
  box-shadow: var(--shadow-card);
}
.accordion.custom-accordion .accordion-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  padding: 18px 22px;
  border: none;
  background: transparent;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}
.accordion.custom-accordion .accordion-title::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 13px;
  color: var(--color-primary);
  transition: transform 0.3s;
  position: absolute;
  right: 22px;
}
.accordion.custom-accordion .accordion-item.is-active .accordion-title::after {
  transform: rotate(180deg);
}
.accordion.custom-accordion .accordion-title:hover,
.accordion.custom-accordion .accordion-title:focus {
  background: rgba(30,74,59,0.04);
}
.accordion.custom-accordion .accordion-content {
  border-top: 1px solid var(--color-border);
  padding: 16px 22px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  background: var(--color-bg);
}

/* CTA 区域 */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -100px;
  left: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.cta-section::after {
  content: "";
  position: absolute;
  bottom: -120px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  margin-bottom: 14px;
}
.cta-inner p {
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 30px;
}
.cta-btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.privacy-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  margin-top: 20px;
}
.privacy-note i {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* Reveal 弹层 */
.reveal.contact-modal {
  border-radius: var(--radius-panel);
  padding: 40px;
  max-width: 600px;
  border: none;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.reveal.contact-modal .close-button {
  color: var(--color-text-secondary);
}
.modal-heading {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}
.modal-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 26px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 7px;
}
.form-group .required {
  color: var(--color-accent);
}
.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  background: var(--color-bg);
  color: var(--color-text);
  transition: all 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #A5B0AA;
  font-size: 13px;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30,74,59,0.12);
  background: #fff;
}
.form-submit {
  width: 100%;
  margin-top: 6px;
}
.modal-privacy {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 16px;
}
.modal-privacy i {
  color: var(--color-success-tint);
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  border-top: 2px solid var(--color-accent);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border: 1px solid rgba(255,255,255,0.2);
}
.footer-brand-name {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer-col ul a:hover {
  color: var(--color-accent-light);
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}
.footer-contact-item i {
  color: var(--color-accent-light);
  margin-top: 3px;
  font-size: 14px;
  width: 16px;
  text-align: center;
}
.footer-copyright {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.02em;
}

/* 响应式 */
@media (max-width: 1024px) {
  .search-box {
    width: 150px;
  }
  .stat-large {
    flex-basis: calc(40% - 40px);
  }
  .stat-medium {
    flex-basis: calc(30% - 40px);
  }
  .stat-small {
    flex-basis: calc(28% - 40px);
  }
}

@media (max-width: 768px) {
  .nav-list {
    display: none;
  }
  .header-cta {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .search-box {
    width: 140px;
  }
  .hero-section {
    padding: 70px 0 70px;
  }
  .pain-grid {
    grid-template-columns: 1fr;
  }
  .solution-top {
    grid-template-columns: 1fr;
  }
  .solution-wide {
    grid-template-columns: 1fr;
  }
  .solution-wide-panel {
    padding: 22px 30px;
  }
  .post-thumb {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-question-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 20px;
  }
  .stats-wrap {
    gap: 20px;
  }
  .stat-large {
    flex-basis: 100%;
  }
  .stat-medium, .stat-small {
    flex-basis: 45%;
  }
  .reveal.contact-modal {
    padding: 28px 20px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .header-inner {
    height: 60px;
  }
  .brand-name {
    font-size: 18px;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
  }
  .search-box {
    display: none;
  }
  .hero-title {
    font-size: 26px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .cta-btn-group {
    flex-direction: column;
    align-items: center;
  }
  .post-item {
    padding: 14px;
  }
  .post-title {
    font-size: 14px;
  }
}

/* roulang page: article */
:root {
            --color-primary: #1E4A3B;
            --color-primary-dark: #153628;
            --color-accent: #EF8F3D;
            --color-accent-light: #F4A45F;
            --color-bg: #F7F4EE;
            --color-card: #FFFFFF;
            --color-text: #22312C;
            --color-text-secondary: #5E6E67;
            --color-border: #E6E9E4;
            --color-success-tint: #9DBE8D;
            --radius-btn: 10px;
            --radius-card: 14px;
            --radius-panel: 20px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(30, 74, 59, 0.06);
            --shadow-card-hover: 0 12px 24px rgba(30, 74, 59, 0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition-base: all 0.24s ease;
        }

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

        html,
        body {
            margin: 0;
            padding: 0;
        }

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

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

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

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

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 2px 8px rgba(239, 143, 61, 0.3);
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 6px 16px rgba(239, 143, 61, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 9px 20px;
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-secondary:hover {
            background: rgba(30, 74, 59, 0.08);
            color: var(--color-primary);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

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

        .btn-text:hover {
            color: var(--color-accent);
            gap: 12px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 8px rgba(30, 74, 59, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 72px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
            position: relative;
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 2px solid var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 17px;
            position: relative;
        }

        .brand-icon::after {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            position: absolute;
            right: -2px;
            top: 3px;
            border: 2px solid #fff;
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .header-nav-wrap {
            display: flex;
            align-items: center;
            gap: 24px;
            flex: 1;
            justify-content: center;
        }

        .nav-list {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-list li {
            margin: 0;
        }

        .nav-list a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 4px;
            line-height: 1.4;
            position: relative;
            white-space: nowrap;
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            height: 2px;
            width: 0;
            background: var(--color-primary);
            transition: width 0.24s ease;
        }

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

        .nav-list a.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .nav-list a.active::after {
            width: 100%;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 0 14px;
            height: 38px;
            width: 200px;
            transition: var(--transition-base);
        }

        .header-search i {
            color: var(--color-text-secondary);
            font-size: 13px;
            margin-right: 8px;
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 13px;
            color: var(--color-text);
            padding: 0;
        }

        .header-search input::placeholder {
            color: #9AA59F;
            font-size: 13px;
        }

        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(30, 74, 59, 0.12);
        }

        .nav-cta {
            font-size: 14px;
            padding: 9px 18px;
            white-space: nowrap;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .menu-toggle:hover {
            background: rgba(30, 74, 59, 0.05);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: #F2EFE7;
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }

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

        .breadcrumb-wrap a {
            color: var(--color-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .crumb-sep {
            color: #B8BDB8;
            font-size: 12px;
        }

        .crumb-current {
            color: var(--color-text-secondary);
        }

        .crumb-current.title {
            color: var(--color-text);
            font-weight: 600;
            max-width: 300px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== Article Main ===== */
        .article-main-wrap {
            padding: clamp(48px, 6vw, 72px) 0 clamp(40px, 5vw, 64px);
            background: var(--color-bg);
        }

        .article-card {
            background: var(--color-card);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-card);
            padding: clamp(28px, 5vw, 56px) clamp(24px, 4vw, 48px);
            position: relative;
            border-top: 4px solid var(--color-accent);
            max-width: 860px;
            margin: 0 auto;
        }

        .article-card::before {
            content: '';
            position: absolute;
            top: -4px;
            left: 0;
            width: 140px;
            height: 4px;
            background: var(--color-primary);
            border-radius: 4px 0 0 4px;
        }

        .article-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text);
            margin: 0 0 20px;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-bottom: 24px;
            border-bottom: 1px dashed var(--color-border);
            margin-bottom: 32px;
        }

        .meta-badge {
            display: inline-block;
            background: rgba(30, 74, 59, 0.1);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.03em;
        }

        .meta-item {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item i {
            color: #9BA8A1;
        }

        .views-placeholder {
            padding: 2px 10px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 12px;
            background: var(--color-bg);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-content p {
            margin: 0 0 1.5rem;
        }

        .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 2.2rem 0 1.1rem;
            padding-left: 14px;
            border-left: 4px solid var(--color-accent);
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #2D3A35;
            margin: 1.8rem 0 0.9rem;
        }

        .article-content img {
            border-radius: 14px;
            margin: 28px 0;
            box-shadow: 0 4px 16px rgba(30, 74, 59, 0.1);
        }

        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            background: rgba(157, 190, 141, 0.12);
            padding: 16px 22px;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            color: var(--color-text-secondary);
            margin: 28px 0;
            font-size: 15px;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 22px;
            margin: 0 0 1.5rem;
        }

        .article-content li {
            margin-bottom: 10px;
        }

        .article-content a {
            color: var(--color-primary);
            border-bottom: 1px solid rgba(30, 74, 59, 0.2);
        }

        .article-content a:hover {
            color: var(--color-accent);
            border-color: rgba(239, 143, 61, 0.4);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
            font-size: 15px;
        }

        .article-content table th {
            background: rgba(30, 74, 59, 0.04);
            font-weight: 600;
        }

        .article-not-found {
            text-align: center;
            padding: 40px 20px;
        }

        .nf-icon {
            width: 84px;
            height: 84px;
            border-radius: 50%;
            background: rgba(30, 74, 59, 0.06);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            margin: 0 auto 24px;
        }

        .article-not-found h2 {
            font-size: 26px;
            color: var(--color-text);
            margin: 0 0 12px;
        }

        .article-not-found p {
            color: var(--color-text-secondary);
            margin: 0 0 24px;
        }

        /* ===== Related ===== */
        .related-wrap {
            padding: clamp(50px, 6vw, 72px) 0 72px;
            background: #F2EFE7;
            border-top: 1px solid var(--color-border);
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
        }

        .section-head h2 i {
            color: var(--color-accent);
            font-size: 22px;
        }

        .section-head h2::after {
            content: '';
            margin-left: 12px;
            width: 52px;
            height: 5px;
            background: repeating-linear-gradient(90deg, var(--color-accent) 0 10px, transparent 10px 14px, var(--color-primary) 14px 24px, transparent 24px 28px);
            border-radius: 3px;
            display: inline-block;
        }

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

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

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

        .related-item {
            margin-bottom: 0;
        }

        .related-card {
            display: flex;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            height: 100%;
            transition: var(--transition-base);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(30, 74, 59, 0.2);
        }

        .related-thumb {
            flex: 0 0 140px;
            overflow: hidden;
            background: var(--color-bg);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            min-height: 120px;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .related-info {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
            flex: 1;
        }

        .related-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .related-date {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-date i {
            color: #9BA8A1;
        }

        .back-entry {
            text-align: center;
            margin-top: 40px;
        }

        .back-entry .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--color-primary);
            transition: var(--transition-base);
        }

        .back-entry .btn-text:hover {
            background: var(--color-primary);
            color: #fff;
            gap: 10px;
        }

        /* ===== Reveal Modal ===== */
        .contact-reveal {
            border-radius: var(--radius-panel);
            padding: 0 !important;
            border: none !important;
            max-width: 600px;
            overflow: hidden;
            box-shadow: 0 24px 64px rgba(21, 54, 40, 0.2);
        }

        .modal-form-wrap {
            padding: 36px;
            position: relative;
        }

        .contact-reveal .close-button {
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-bg);
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            line-height: 1;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .contact-reveal .close-button:hover {
            background: var(--color-accent);
            color: #fff;
        }

        .form-tag {
            display: inline-block;
            background: rgba(30, 74, 59, 0.08);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 18px;
        }

        .modal-form-wrap h3 {
            font-size: 25px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .form-desc {
            color: var(--color-text-secondary);
            font-size: 14px;
            margin: 0 0 24px;
        }

        .contact-form label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            margin-bottom: 16px;
            cursor: pointer;
        }

        .contact-form .req {
            color: var(--color-accent);
            margin-left: 3px;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 14px;
            font-size: 14px;
            margin-top: 6px;
            background: var(--color-bg);
            color: var(--color-text);
            outline: none;
            transition: var(--transition-base);
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(30, 74, 59, 0.12);
            background: #fff;
        }

        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            font-size: 13px;
            color: #A9B4AD;
        }

        .btn-block {
            width: 100%;
            margin-top: 8px;
            font-size: 15px;
            padding: 12px;
        }

        .form-privacy {
            font-size: 12px !important;
            color: var(--color-text-secondary) !important;
            text-align: center;
            margin: 14px 0 0 !important;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .form-privacy i {
            color: var(--color-success-tint);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            border-top: 2px solid var(--color-primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 15px;
        }

        .footer-brand-name {
            font-size: 21px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            max-width: 360px;
            margin: 0;
            color: rgba(255, 255, 255, 0.62);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 14px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a::before {
            content: '›';
            color: var(--color-accent);
            font-weight: 700;
        }

        .footer-col ul a:hover {
            color: var(--color-accent-light);
            padding-left: 3px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 14px;
            color: rgba(255, 255, 255, 0.68);
            line-height: 1.5;
        }

        .footer-contact-item i {
            color: var(--color-accent);
            margin-top: 3px;
            font-size: 14px;
        }

        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 18px 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
            letter-spacing: 0.03em;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-search {
                width: 160px;
            }

            .nav-list {
                gap: 20px;
            }

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

        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 64px;
                padding: 8px 0;
            }

            .header-inner {
                flex-wrap: wrap;
                gap: 12px;
            }

            .header-nav-wrap {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                background: #fff;
                border-radius: var(--radius-card);
                border: 1px solid var(--color-border);
                box-shadow: 0 10px 24px rgba(30, 74, 59, 0.1);
                padding: 16px 20px;
                order: 3;
            }

            .header-nav-wrap.is-open {
                display: flex;
            }

            .nav-list {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                width: 100%;
            }

            .nav-list li {
                width: 100%;
            }

            .nav-list a {
                display: block;
                width: 100%;
                padding: 10px 8px;
                font-size: 16px;
                border-radius: 8px;
            }

            .nav-list a:hover {
                background: rgba(30, 74, 59, 0.05);
            }

            .header-search {
                width: 100%;
                margin-top: 10px;
            }

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

            .nav-cta {
                font-size: 13px;
                padding: 8px 14px;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .breadcrumb-wrap .container {
                font-size: 13px;
                gap: 6px;
            }

            .crumb-current.title {
                max-width: 180px;
            }

            .article-card {
                padding: 24px 20px;
            }

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

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

            .footer-brand-col {
                max-width: 100%;
            }
        }

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

            .brand-text {
                font-size: 18px;
                letter-spacing: 0.5px;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .nav-cta {
                font-size: 12px;
                padding: 7px 12px;
            }

            .menu-toggle {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }

            .crumb-current.title {
                max-width: 120px;
            }

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

            .article-meta {
                gap: 10px;
            }

            .meta-item {
                font-size: 12px;
            }

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

            .related-thumb {
                flex-basis: 100px;
            }

            .related-thumb img {
                min-height: 90px;
            }

            .related-info {
                padding: 14px 16px;
            }

            .related-info h3 {
                font-size: 14px;
            }

            .modal-form-wrap {
                padding: 24px 20px;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1E4A3B;
            --color-primary-dark: #153628;
            --color-primary-light: #2A5C4B;
            --color-accent: #EF8F3D;
            --color-accent-light: #F4A45F;
            --color-accent-dark: #D97F2F;
            --color-bg: #F7F4EE;
            --color-card: #FFFFFF;
            --color-text: #22312C;
            --color-text-secondary: #5E6E67;
            --color-border: #E6E9E4;
            --color-success-tint: #9DBE8D;
            --radius-btn: 10px;
            --radius-card: 14px;
            --radius-panel: 20px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(30, 74, 59, 0.06);
            --shadow-card-hover: 0 12px 24px rgba(30, 74, 59, 0.12);
            --shadow-header: 0 1px 8px rgba(30, 74, 59, 0.08);
            --spacing-section: clamp(64px, 8vw, 104px);
            --container-width: 1240px;
            --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-main);
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 头部与导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-header);
        }
        .header-inner {
            background: var(--color-card);
        }
        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .header-brand {
            flex-shrink: 0;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--color-text);
        }
        .brand-logo:hover {
            color: var(--color-primary);
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 15px;
            background: radial-gradient(circle at 30% 30%, #fff, var(--color-success-tint));
        }
        .brand-icon i {
            transform: rotate(-18deg);
        }
        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--color-primary-dark);
        }
        .header-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list>li>a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-btn);
            position: relative;
            transition: var(--transition);
        }
        .nav-list>li>a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 3px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.25s ease;
        }
        .nav-list>li>a:hover {
            color: var(--color-primary);
            background: rgba(30, 74, 59, 0.06);
        }
        .nav-list>li>a:hover::after,
        .nav-list>li>a.active::after {
            transform: scaleX(1);
        }
        .nav-list>li>a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(30, 74, 59, 0.06);
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search {
            position: relative;
            display: flex;
            align-items: center;
            width: 200px;
            height: 38px;
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 0 14px;
            background: var(--color-bg);
            transition: var(--transition);
        }
        .header-search i {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-right: 8px;
        }
        .header-search input {
            width: 100%;
            font-size: 13px;
            background: transparent;
        }
        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(30, 74, 59, 0.12);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 8px;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle span {
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary);
            transition: var(--transition);
        }
        .nav-toggle.nav-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.nav-open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.nav-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动导航面板 */
        .mobile-nav {
            display: none;
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            padding: 12px 24px 18px;
            box-shadow: var(--shadow-card-hover);
        }
        .mobile-nav-list {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .mobile-nav-list a {
            display: block;
            padding: 12px 12px;
            font-size: 15px;
            color: var(--color-text);
            border-radius: 10px;
            transition: var(--transition);
        }
        .mobile-nav-list a:hover,
        .mobile-nav-list a.active {
            background: rgba(30, 74, 59, 0.07);
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 12px;
        }
        .mobile-search-box {
            display: flex;
            align-items: center;
            flex: 1;
            height: 38px;
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 0 14px;
            background: var(--color-bg);
        }
        .mobile-search-box i {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-right: 8px;
        }
        .mobile-search-box input {
            width: 100%;
            font-size: 13px;
        }
        .mobile-actions .btn {
            padding: 9px 14px;
            font-size: 14px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            text-align: center;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border: 1px solid transparent;
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(239, 143, 61, 0.28);
        }
        .btn-accent:active {
            transform: scale(0.98);
        }
        .btn-accent:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:hover {
            background: rgba(30, 74, 59, 0.08);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .btn-light-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.8);
            color: #fff;
        }
        .btn-light-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-block {
            width: 100%;
        }

        /* ========== 分类 Banner ========== */
        .category-banner {
            position: relative;
            padding: 96px 0 80px;
            background:
                linear-gradient(115deg, rgba(21, 54, 40, 0.94) 0%, rgba(21, 54, 40, 0.82) 45%, rgba(30, 74, 59, 0.62) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            border-bottom: 4px solid var(--color-accent);
        }
        .category-banner .banner-inner {
            max-width: 860px;
        }
        .banner-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 18px;
        }
        .category-banner h1 {
            font-size: clamp(30px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: 1px;
            text-shadow: 0 2px 14px rgba(0, 0, 0, 0.25);
        }
        .category-banner .banner-desc {
            font-size: clamp(15px, 2vw, 18px);
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 720px;
        }
        .banner-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
        }
        .banner-trust-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 999px;
            padding: 5px 13px;
        }
        .banner-trust-item i {
            color: var(--color-accent-light);
        }

        /* ========== 频道介绍 ========== */
        .category-intro {
            padding: var(--spacing-section) 0;
            background: var(--color-bg);
        }
        .intro-card {
            background: var(--color-card);
            border-radius: var(--radius-panel);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: clamp(28px, 4vw, 48px);
            max-width: 900px;
            margin: 0 auto;
            position: relative;
        }
        .intro-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 38px;
            right: 38px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent), transparent);
            border-radius: 0 0 4px 4px;
        }
        .intro-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-accent-dark);
            background: rgba(239, 143, 61, 0.12);
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .intro-card h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 14px;
        }
        .intro-card p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-secondary);
        }

        /* ========== 内容模块 ========== */
        .content-module {
            padding: var(--spacing-section) 0;
        }
        .content-module.mod-bg-white {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .module-row {
            align-items: center;
        }
        .module-visual {
            position: relative;
            z-index: 1;
            padding: 10px;
        }
        .module-visual img {
            width: 100%;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card-hover);
            border: 1px solid var(--color-border);
            object-fit: cover;
            min-height: 260px;
        }
        .module-visual::before {
            content: "";
            position: absolute;
            top: 2px;
            left: 26px;
            width: 74px;
            height: 16px;
            background: rgba(239, 143, 61, 0.4);
            border-radius: 4px;
            transform: rotate(-3deg);
            z-index: 2;
            pointer-events: none;
        }
        .visual-sticker {
            position: absolute;
            right: 14px;
            bottom: 24px;
            background: var(--color-accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
            transform: rotate(2deg);
            letter-spacing: 1px;
            z-index: 3;
        }
        .module-content {
            padding: 24px 8px;
        }
        .content-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .tag-seal {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            background: var(--color-card);
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-badge);
            transform: rotate(-1deg);
            box-shadow: 2px 2px 0 rgba(30, 74, 59, 0.1);
        }
        .tag-seal:nth-child(2) {
            transform: rotate(0.5deg);
        }
        .tag-seal:nth-child(3) {
            transform: rotate(1deg);
        }
        .module-content h3 {
            font-size: clamp(20px, 2.5vw, 28px);
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .module-content p {
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 12px;
        }
        .module-content .btn {
            margin-top: 10px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-section) 0;
            background: var(--color-bg);
        }
        .faq-section .section-heading {
            text-align: center;
            margin-bottom: 42px;
        }
        .faq-section .section-heading h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.35;
        }
        .faq-section .section-heading p {
            margin-top: 10px;
            color: var(--color-text-secondary);
            font-size: 15px;
        }
        .faq-inner {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-accordion .accordion-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-accordion .accordion-item.is-active {
            border-color: rgba(30, 74, 59, 0.25);
        }
        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            position: relative;
            border-radius: var(--radius-card);
        }
        .faq-accordion .accordion-title:hover {
            color: var(--color-primary);
        }
        .faq-accordion .accordion-title::before {
            content: "＋";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(30, 74, 59, 0.08);
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-accordion .accordion-item.is-active .accordion-title::before {
            content: "－";
            background: var(--color-primary);
            color: #fff;
        }
        .faq-accordion .accordion-title:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-content {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            padding: 16px 22px 20px;
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ========== CTA 底部条 ========== */
        .category-cta {
            position: relative;
            padding: clamp(60px, 7vw, 90px) 0;
            background:
                linear-gradient(120deg, rgba(21, 54, 40, 0.92) 0%, rgba(21, 54, 40, 0.76) 60%, rgba(30, 74, 59, 0.7) 100%),
                url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            color: #fff;
            text-align: center;
            border-top: 3px solid var(--color-accent);
        }
        .cta-inner {
            max-width: 760px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-inner>p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
        }
        .cta-inner .btn {
            margin-bottom: 16px;
        }
        .privacy-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.62);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 6px;
        }
        .privacy-note i {
            font-size: 12px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-dark);
            border-top: 3px solid var(--color-primary);
            color: rgba(255, 255, 255, 0.78);
            padding: 54px 0 22px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1.1fr;
            gap: 40px;
            padding-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
        }
        .footer-brand-name {
            font-size: 19px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-contact-item {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-contact-item i {
            color: var(--color-accent-light);
            margin-top: 3px;
        }
        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        /* ========== Reveal 弹层 ========== */
        .reveal {
            border-radius: var(--radius-panel);
            border: none;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.18);
            padding: 30px;
            max-width: 600px;
        }
        .reveal .close-button {
            color: var(--color-text-secondary);
            font-size: 26px;
            line-height: 1;
            transition: var(--transition);
        }
        .reveal .close-button:hover {
            color: var(--color-primary);
            transform: rotate(90deg);
        }
        .reveal h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .reveal-lead {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }
        .consult-form .form-field {
            margin-bottom: 16px;
        }
        .consult-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .consult-form label span {
            color: var(--color-accent-dark);
        }
        .consult-form input,
        .consult-form textarea {
            width: 100%;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 10px 14px;
            font-size: 14px;
            background: var(--color-bg);
            transition: var(--transition);
            resize: vertical;
        }
        .consult-form input:focus,
        .consult-form textarea:focus {
            border-color: var(--color-primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(30, 74, 59, 0.12);
        }
        .consult-form .privacy-note {
            color: var(--color-text-secondary);
            display: flex;
            justify-content: center;
            margin-top: 10px;
        }
        .form-success {
            text-align: center;
            padding: 32px 0;
        }
        .form-success i {
            font-size: 44px;
            color: var(--color-success-tint);
            margin-bottom: 12px;
        }
        .form-success p {
            font-size: 15px;
            color: var(--color-text);
        }

        /* ========== 响应式断点 ========== */
        @media screen and (max-width: 1024px) {
            .header-search {
                width: 150px;
            }
            .nav-list>li>a {
                padding: 6px 10px;
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1.2fr 1fr;
                gap: 28px;
            }
        }
        @media screen and (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-search {
                display: none;
            }
            .header-row {
                height: 64px;
            }
            .brand-name {
                font-size: 18px;
            }
            .btn-consult {
                padding: 8px 14px;
                font-size: 14px;
            }
            .category-banner {
                padding: 72px 0 56px;
            }
            .banner-trust {
                gap: 12px;
            }
            .module-content {
                padding: 20px 4px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .reveal {
                padding: 22px;
            }
        }
        @media screen and (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .category-banner {
                padding: 60px 0 44px;
            }
            .banner-trust-item {
                font-size: 12px;
                padding: 4px 10px;
            }
            .intro-card {
                padding: 24px 18px;
            }
            .module-visual img {
                min-height: 180px;
            }
            .module-visual::before {
                width: 56px;
                left: 18px;
            }
            .cta-inner .btn {
                font-size: 14px;
                padding: 9px 18px;
            }
        }

        /* ========== 基础工具类微调 ========== */
        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }
        .grid-margin-x .cell {
            margin-bottom: 16px;
        }
        .align-middle {
            align-items: center;
        }

/* roulang page: category3 */
:root {
            --color-primary: #1E4A3B;
            --color-primary-dark: #153628;
            --color-accent: #EF8F3D;
            --color-accent-light: #F4A45F;
            --color-bg: #F7F4EE;
            --color-card: #FFFFFF;
            --color-text: #22312C;
            --color-text-secondary: #5E6E67;
            --color-border: #E6E9E4;
            --color-success-tint: #9DBE8D;
            --radius-btn: 10px;
            --radius-card: 14px;
            --radius-panel: 20px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(30, 74, 59, 0.06);
            --shadow-card-hover: 0 12px 24px rgba(30, 74, 59, 0.12);
            --transition-base: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

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

        /* ========== Header ========== */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(30, 74, 59, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

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

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border: 2px solid rgba(255, 255, 255, 0.6);
            box-shadow: 0 0 0 2px var(--color-primary);
            font-size: 15px;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-list li {
            margin: 0;
        }

        .nav-list a {
            color: var(--color-text);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 4px;
            position: relative;
            border-bottom: 2px solid transparent;
            transition: var(--transition-base);
        }

        .nav-list a:hover {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
        }

        .nav-list a.active {
            color: var(--color-primary);
            font-weight: 700;
            border-bottom-color: var(--color-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

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

        .header-search input {
            width: 200px;
            height: 38px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            padding: 0 36px 0 16px;
            font-size: 13px;
            background: var(--color-bg);
            outline: none;
            transition: var(--transition-base);
        }

        .header-search input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(30, 74, 59, 0.12);
            background: #fff;
        }

        .header-search i {
            position: absolute;
            right: 13px;
            font-size: 13px;
            color: var(--color-text-secondary);
            pointer-events: none;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(239, 143, 61, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            border-radius: var(--radius-btn);
            padding: 9px 22px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            line-height: 1.4;
        }

        .btn-secondary:hover {
            background: rgba(30, 74, 59, 0.08);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-primary);
            cursor: pointer;
            padding: 4px;
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: #fff;
            z-index: 200;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
            padding: 32px 24px;
            transition: right 0.35s ease;
            flex-direction: column;
        }

        .mobile-drawer.open {
            right: 0;
            display: flex;
        }

        .mobile-drawer .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--color-text);
            cursor: pointer;
        }

        .mobile-drawer ul {
            list-style: none;
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .mobile-drawer ul a {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            padding: 8px 0;
        }

        .mobile-drawer ul a.active {
            color: var(--color-primary);
            border-left: 3px solid var(--color-accent);
            padding-left: 12px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(21, 54, 40, 0.5);
            z-index: 180;
        }

        .drawer-overlay.show {
            display: block;
        }

        /* ========== 分类 Banner ========== */
        .category-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 90px 0 80px;
            isolation: isolate;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(21, 54, 40, 0.92) 20%, rgba(21, 54, 40, 0.6) 60%, rgba(21, 54, 40, 0.35) 100%);
            z-index: -1;
        }

        .category-hero .container {
            text-align: left;
        }

        .category-hero h1 {
            color: #fff;
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .category-hero .hero-sub {
            color: rgba(255, 255, 255, 0.88);
            font-size: 17px;
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 12px;
        }

        .category-hero .hero-badge {
            display: inline-block;
            background: rgba(239, 143, 61, 0.22);
            border: 1px solid rgba(239, 143, 61, 0.5);
            color: #F4A45F;
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* ========== 分类导语 ========== */
        .category-intro {
            padding: 72px 0 40px;
        }

        .intro-card {
            background: var(--color-card);
            border-radius: var(--radius-panel);
            padding: 36px 40px;
            border-left: 5px solid var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .intro-card p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
        }

        /* ========== 图文内容模块 ========== */
        .content-module {
            padding: 48px 0;
        }

        .module-grid {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .module-grid.reverse {
            flex-direction: row-reverse;
        }

        .module-media {
            flex: 0 0 46%;
        }

        .module-media img {
            border-radius: var(--radius-card);
            object-fit: cover;
            width: 100%;
            height: 320px;
            box-shadow: 0 12px 28px rgba(30, 74, 59, 0.12);
        }

        .module-content {
            flex: 1;
        }

        .module-content .tag-line {
            display: inline-block;
            background: rgba(30, 74, 59, 0.1);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .module-content h2 {
            font-size: clamp(24px, 3vw, 32px);
            color: var(--color-primary);
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .module-content p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
            font-size: 15px;
        }

        .module-content p:last-child {
            margin-bottom: 0;
        }

        /* ========== 亮点数据条 ========== */
        .quick-stats {
            padding: 24px 0 64px;
        }

        .stats-strip {
            display: flex;
            align-items: center;
            justify-content: space-around;
            background: var(--color-primary-dark);
            border-radius: var(--radius-panel);
            padding: 40px 48px;
            flex-wrap: wrap;
            gap: 24px;
            box-shadow: 0 12px 30px rgba(21, 54, 40, 0.25);
        }

        .stat-item-num {
            color: var(--color-accent);
            font-size: clamp(22px, 3.5vw, 40px);
            font-weight: 800;
            line-height: 1.2;
        }

        .stat-item-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            letter-spacing: 0.5px;
            margin-top: 4px;
        }

        .stat-item {
            text-align: center;
            padding: 8px 24px;
            position: relative;
        }

        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 44px;
            background: rgba(255, 255, 255, 0.14);
        }

        /* ========== FAQ Accordion ========== */
        .faq-section {
            padding: 64px 0 72px;
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .faq-section .section-title {
            text-align: center;
            font-size: clamp(24px, 3vw, 34px);
            color: var(--color-primary);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .faq-section .section-subtitle {
            text-align: center;
            color: var(--color-text-secondary);
            margin-bottom: 40px;
            font-size: 15px;
        }

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

        .accordion-item {
            background: var(--color-bg);
            border-radius: 14px;
            margin-bottom: 16px;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .accordion-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }

        .accordion-title {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            background: transparent;
            transition: var(--transition-base);
        }

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

        .accordion-title i {
            font-size: 18px;
            color: var(--color-accent);
            transition: transform 0.35s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .accordion-item.is-active .accordion-title i {
            transform: rotate(180deg);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            transition: max-height 0.4s ease, padding 0.35s ease;
            background: #fff;
            border-top: 1px solid transparent;
        }

        .accordion-item.is-active .accordion-content {
            max-height: 520px;
            padding: 18px 24px;
            border-top-color: var(--color-border);
        }

        .accordion-content p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* ========== CTA 区 ========== */
        .category-cta {
            padding: 72px 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            isolation: isolate;
        }

        .category-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(21, 54, 40, 0.88);
            z-index: -1;
        }

        .category-cta .cta-inner {
            text-align: center;
            padding: 40px 24px;
        }

        .category-cta h2 {
            color: #fff;
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .category-cta p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary-dark);
            border-top: 2px solid var(--color-accent);
            padding: 64px 0 0;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .footer-brand-col {
            flex: 1 1 320px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(239, 143, 61, 0.2);
            color: var(--color-accent);
            border: 1px solid rgba(239, 143, 61, 0.5);
            font-size: 15px;
        }

        .footer-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }

        .footer-col {
            flex: 1 1 200px;
        }

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

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 14px;
            font-size: 14px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact-item i {
            color: var(--color-accent);
            margin-top: 3px;
            font-size: 13px;
        }

        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 弹层 ========== */
        .reveal-form {
            border-radius: 16px;
            padding: 36px;
            max-width: 600px;
        }

        .reveal-form h3 {
            color: var(--color-primary);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .reveal-form .form-sub {
            color: var(--color-text-secondary);
            font-size: 14px;
            margin-bottom: 24px;
        }

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

        .reveal-form input,
        .reveal-form textarea {
            width: 100%;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            background: var(--color-bg);
            margin-bottom: 18px;
            transition: var(--transition-base);
            font-family: inherit;
        }

        .reveal-form input:focus,
        .reveal-form textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(30, 74, 59, 0.12);
            background: #fff;
            outline: none;
        }

        .reveal-form .star {
            color: var(--color-accent);
        }

        .form-privacy {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .header-search input {
                width: 160px;
            }

            .nav-list {
                gap: 22px;
            }

            .module-grid,
            .module-grid.reverse {
                flex-direction: column;
                gap: 32px;
            }

            .module-media {
                flex: 0 0 100%;
                width: 100%;
            }

            .module-media img {
                height: 260px;
            }

            .stats-strip {
                padding: 32px 24px;
            }

            .stat-item {
                flex: 1 1 40%;
            }

            .stat-item::after {
                display: none;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header .header-inner {
                height: 64px;
            }

            .nav-list,
            .header-search {
                display: none;
            }

            .hamburger {
                display: block;
            }

            .header-actions .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }

            .category-hero {
                padding: 56px 0 52px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

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

            .category-intro {
                padding: 48px 0 32px;
            }

            .intro-card {
                padding: 24px 20px;
                border-radius: 14px;
            }

            .intro-card p {
                font-size: 15px;
            }

            .content-module {
                padding: 32px 0;
            }

            .module-media img {
                height: 200px;
            }

            .stats-strip {
                flex-direction: column;
                align-items: center;
                padding: 28px 20px;
            }

            .stat-item {
                width: 100%;
                text-align: center;
            }

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

            .footer-grid {
                flex-direction: column;
                gap: 32px;
            }

            .footer-brand-col {
                flex: 1 1 auto;
            }

            .reveal-form {
                padding: 24px 20px;
            }
        }

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

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

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .category-hero .hero-sub {
                font-size: 14px;
                line-height: 1.6;
            }

            .btn-primary,
            .btn-secondary {
                font-size: 14px;
                padding: 9px 18px;
            }

            .module-media img {
                height: 170px;
            }

            .module-content h2 {
                font-size: 20px;
            }

            .module-content p {
                font-size: 14px;
            }

            .section-title {
                font-size: 22px !important;
            }

            .accordion-title {
                padding: 16px;
                font-size: 14px;
            }

            .accordion-item.is-active .accordion-content {
                padding: 14px 16px;
            }
        }

/* roulang page: category2 */
:root {
  --color-primary: #1E4A3B;
  --color-primary-dark: #153628;
  --color-accent: #EF8F3D;
  --color-accent-light: #F4A45F;
  --color-bg: #F7F4EE;
  --color-card: #FFFFFF;
  --color-text: #22312C;
  --color-text-secondary: #5E6E67;
  --color-border: #E6E9E4;
  --color-success-tint: #9DBE8D;
  --radius-btn: 10px;
  --radius-card: 14px;
  --radius-panel: 20px;
  --radius-badge: 6px;
  --shadow-card: 0 1px 3px rgba(30,74,59,0.06);
  --shadow-card-hover: 0 12px 24px rgba(30,74,59,0.12);
  --space-section: clamp(64px, 8vw, 100px);
  --space-card: 26px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: var(--font-stack);
  font-size: 15px;
}

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

/* ---------- 顶部栏 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(30,74,59,0.05);
}

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

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

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.3);
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-list a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  transition: all 0.25s ease;
}

.nav-list a::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-list a:hover {
  color: var(--color-primary);
  background: rgba(30,74,59,0.04);
}

.nav-list a:hover::after,
.nav-list a.active::after {
  transform: scaleX(1);
}

.nav-list a.active {
  color: var(--color-primary);
  font-weight: 600;
  background: rgba(30,74,59,0.06);
}

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

.search-box {
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  padding: 6px 16px;
  width: 200px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.search-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30,74,59,0.08);
}

.search-box i {
  color: var(--color-text-secondary);
  font-size: 13px;
  margin-right: 8px;
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 13px;
  width: 100%;
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-btn);
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(239,143,61,0.25);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(239,143,61,0.35);
}

.btn-primary:active {
  transform: scale(0.98);
}

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

.btn-outline:hover {
  background: rgba(30,74,59,0.08);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  border: 1.5px solid #fff;
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.btn-sm {
  padding: 7px 16px;
  font-size: 14px;
}

/* 汉堡按钮 */
.burger-btn {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--color-primary);
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
}

.burger-btn:hover {
  background: rgba(30,74,59,0.06);
}

.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 16px 20px;
  box-shadow: 0 8px 24px rgba(30,74,59,0.08);
}

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

.mobile-menu a {
  display: block;
  padding: 12px 8px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--color-text);
  border-bottom: 1px dashed var(--color-border);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a.active {
  color: var(--color-primary);
  font-weight: 700;
  background: rgba(30,74,59,0.05);
}

/* ---------- Hero ---------- */
.hero-banner {
  position: relative;
  background: linear-gradient(90deg, rgba(21,54,40,0.88) 0%, rgba(30,74,59,0.72) 40%, rgba(30,74,59,0.35) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  min-height: 320px;
  display: flex;
  align-items: center;
  margin-bottom: 0;
}

.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(21,54,40,0.2) 0%, rgba(21,54,40,0.4) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 70px 0 60px;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 13px;
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.hero-content h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.hero-content .lead-text {
  font-size: 17px;
  color: rgba(255,255,255,0.9);
  line-height: 1.7;
  max-width: 620px;
}

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

.section-title-wrap {
  margin-bottom: 40px;
  border-left: 4px solid var(--color-accent);
  padding-left: 20px;
}

.section-title-wrap h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 8px;
}

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

/* ---------- 分类导语 ---------- */
.category-intro {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 60px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.intro-text p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: 16px;
}

.intro-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.intro-tag {
  background: rgba(157,190,141,0.15);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(157,190,141,0.3);
}

.intro-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.intro-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.intro-image:hover img {
  transform: scale(1.02);
}

/* ---------- 图文交替模块 ---------- */
.content-alternate {
  padding: 80px 0;
}

.alternate-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
  margin-bottom: 80px;
}

.alternate-row:last-child {
  margin-bottom: 0;
}

.alternate-row.reverse .alt-image-col {
  order: 2;
}

.alternate-row.reverse .alt-text-col {
  order: 1;
}

.alt-image-col {
  position: relative;
}

.alt-image-col::before {
  content: '';
  position: absolute;
  top: -16px;
  left: -16px;
  right: 16px;
  bottom: 16px;
  border: 2px solid var(--color-success-tint);
  border-radius: var(--radius-card);
  opacity: 0.4;
  z-index: 0;
}

.alt-image-col img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card-hover);
  height: 320px;
  object-fit: cover;
  width: 100%;
}

.alt-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.alt-kicker i {
  font-size: 14px;
}

.alt-text-col h3 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 14px;
}

.alt-text-col p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}

.alt-point-list {
  margin-top: 18px;
}

.alt-point-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: var(--color-text);
  margin-bottom: 10px;
}

.alt-point-list li i {
  color: var(--color-success-tint);
  font-size: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ---------- 数据亮点 ---------- */
.data-highlight {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #1E5C49 100%);
  padding: 70px 0;
  margin: 0;
}

.data-highlight .section-title-wrap h2 {
  color: #fff;
  border-left-color: var(--color-accent);
}

.data-highlight .section-title-wrap p {
  color: rgba(255,255,255,0.7);
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 34px;
}

.data-item {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-panel);
  padding: 26px 20px;
  text-align: center;
  backdrop-filter: blur(4px);
  transition: background 0.3s, transform 0.3s;
}

.data-item:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}

.data-item .data-number {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.data-item .data-label {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  line-height: 1.4;
}

/* ---------- FAQ 手风琴 ---------- */
.faq-wrap {
  padding: 80px 0;
  background: #fff;
}

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

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 14px;
  background: var(--color-card);
  overflow: hidden;
  transition: box-shadow 0.3s, border-color 0.3s;
}

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

.accordion-item[aria-expanded="true"] {
  border-color: var(--color-primary);
}

.accordion-title {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border: none;
  background: transparent;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  gap: 16px;
}

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

.accordion-title .acc-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(30,74,59,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: background 0.3s, transform 0.3s;
}

.accordion-item[aria-expanded="true"] .acc-icon {
  background: var(--color-primary);
  color: #fff;
  transform: rotate(180deg);
}

.accordion-panel {
  padding: 0 22px 18px;
}

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

/* ---------- CTA 区 ---------- */
.cta-section {
  padding: 80px 0 70px;
  text-align: center;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.cta-section h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}

.cta-sub {
  max-width: 560px;
  margin: 0 auto 28px;
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

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

/* ---------- 隐私说明 ---------- */
.privacy-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 18px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(30,74,59,0.04);
}

.privacy-note i {
  font-size: 11px;
}

/* ---------- 弹层 ---------- */
.reveal-form-panel {
  border-radius: 18px;
  border: none;
  padding: 36px;
  max-width: 600px;
}

.reveal-form-panel .close-button {
  border: none;
  background: rgba(30,74,59,0.08);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--color-primary);
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

.reveal-form-panel .close-button:hover {
  background: rgba(30,74,59,0.15);
}

.form-head h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-head p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

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

.form-group label .required-star {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  font-size: 14px;
  color: var(--color-text);
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30,74,59,0.08);
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

.submit-btn {
  width: 100%;
  margin-top: 6px;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--color-primary-dark);
  border-top: 2px solid var(--color-accent);
  padding: 60px 0 0;
  color: rgba(255,255,255,0.75);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

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

.footer-col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  transition: color 0.3s, padding-left 0.3s;
}

.footer-col ul li a:hover {
  color: var(--color-accent);
  padding-left: 5px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.6);
}

.footer-contact-item i {
  color: var(--color-accent);
  font-size: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-copyright {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar {
  background: rgba(30,74,59,0.04);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

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

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

.breadcrumb-list i {
  font-size: 10px;
  opacity: 0.5;
}

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

/* ---------- 响应式 ---------- */
@media screen and (max-width: 1024px) {
  .nav-list {
    gap: 4px;
  }
  .nav-list a {
    padding: 8px 10px;
    font-size: 14px;
  }
  .search-box {
    width: 160px;
  }
  .data-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media screen and (max-width: 820px) {
  .nav-list, .search-box {
    display: none;
  }
  .burger-btn {
    display: block;
  }
  .header-actions .btn-sm {
    padding: 7px 14px;
    font-size: 13px;
  }
  .header-inner {
    height: 64px;
  }
  .intro-grid,
  .alternate-row,
  .alternate-row.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .alternate-row.reverse .alt-image-col {
    order: 1;
  }
  .alternate-row.reverse .alt-text-col {
    order: 2;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-banner {
    min-height: 260px;
  }
  .hero-content {
    padding: 48px 0 40px;
  }
  .section-block,
  .content-alternate,
  .faq-wrap,
  .cta-section {
    padding: 48px 0;
  }
}

@media screen and (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .header-actions .btn-sm {
    display: none;
  }
  .data-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .data-item {
    padding: 20px 12px;
  }
  .data-item .data-number {
    font-size: 28px;
  }
  .hero-content h1 {
    font-size: 30px;
  }
  .hero-content .lead-text {
    font-size: 15px;
  }
  .btn {
    padding: 9px 18px;
    font-size: 14px;
  }
  .reveal-form-panel {
    padding: 24px 18px;
    max-height: 90vh;
    overflow-y: auto;
  }
  .accordion-title {
    padding: 15px 16px;
    font-size: 15px;
  }
  .accordion-panel {
    padding: 0 16px 14px;
  }
  .alt-image-col::before {
    display: none;
  }
  .alt-image-col img {
    height: 240px;
  }
  .intro-image img {
    height: 230px;
  }
}

/* ---------- 动画 ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease;
}

/* ---------- 工具类 ---------- */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }