/* roulang page: index */
:root {
  --primary: #1B7A4A;
  --primary-dark: #104D2F;
  --primary-light: rgba(27,122,74,0.05);
  --accent: #F59E0B;
  --accent-hover: #D97706;
  --bg-warm: #F6F5F1;
  --ink: #1F2937;
  --ink-soft: #6B7280;
  --ink-faint: #9CA3AF;
  --line: #E5E7EB;
  --radius-card: 12px;
  --radius-md: 8px;
  --shadow-card: 0 2px 12px rgba(16,77,47,0.06);
  --shadow-card-hover: 0 8px 24px rgba(16,77,47,0.12);
  --sidebar-w: 72px;
  --sidebar-expanded-w: 220px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'system-ui', '-apple-system', 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', 'sans-serif';
  background-color: var(--bg-warm);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease-out, border-color 0.15s ease-out, background-color 0.15s ease-out;
}

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

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

input,
textarea,
select {
  font-family: inherit;
  font-size: 14px;
  width: 100%;
  border: 1px solid #D1D5DB;
  border-radius: 8px;
  padding: 12px 14px;
  background-color: #fff;
  color: var(--ink);
  transition: border-color 0.15s ease-out, box-shadow 0.15s ease-out;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27,122,74,0.1);
}

.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 桌面端侧栏 ===== */
.sidebar {
  width: var(--sidebar-w);
  transition: width 0.2s ease-out;
  overflow: hidden;
}

body.sidebar-expanded .sidebar {
  width: var(--sidebar-expanded-w);
}

.sidebar .nav-text {
  display: none;
  opacity: 0;
  white-space: nowrap;
  transition: opacity 0.15s ease-out;
}

body.sidebar-expanded .sidebar .nav-text {
  display: inline-block;
  opacity: 1;
}

.sidebar .nav-item {
  position: relative;
  color: var(--ink-soft);
}

.sidebar .nav-item:hover {
  color: var(--primary);
  background-color: rgba(27,122,74,0.04);
}

.sidebar .nav-item.active {
  color: var(--primary);
  background-color: rgba(27,122,74,0.05);
  font-weight: 500;
}

.sidebar .nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background-color: var(--primary);
}

/* ===== 主内容区 ===== */
#mainContent {
  transition: padding-left 0.2s ease-out;
}

@media (min-width: 1024px) {
  body:not(.sidebar-expanded) #mainContent {
    padding-left: var(--sidebar-w);
  }
  body.sidebar-expanded #mainContent {
    padding-left: var(--sidebar-expanded-w);
  }
}

/* ===== 卡片通用 ===== */
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s ease-out, box-shadow 0.15s ease-out, transform 0.15s ease-out;
}

.feature-card:hover {
  border-color: rgba(27,122,74,0.4);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s ease-out, box-shadow 0.15s ease-out;
}

.stat-card:hover {
  border-color: rgba(27,122,74,0.3);
  box-shadow: var(--shadow-card-hover);
}

/* ===== 标签 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(27,122,74,0.06);
  color: var(--primary);
}

/* ===== 时间轴 ===== */
.timeline-wrap {
  position: relative;
  padding-left: 28px;
}

.timeline-wrap::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: rgba(27,122,74,0.2);
}

.timeline-item {
  position: relative;
  margin-bottom: 20px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px rgba(27,122,74,0.2);
}

.empty-timeline {
  border: 1px dashed #D1D5DB;
  border-radius: var(--radius-card);
  padding: 40px 20px;
  text-align: center;
  background: #fafaf9;
}

/* ===== FAQ ===== */
.faq-item {
  border-bottom: 1px solid var(--line);
}

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--primary);
  transition: transform 0.2s ease-out;
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--primary);
  background: rgba(27,122,74,0.05);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease-out;
}

.faq-answer-inner {
  padding: 0 0 18px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 表单 ===== */
.form-submit-success {
  display: none;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-card);
  padding: 20px;
  text-align: center;
  color: #166534;
}

/* ===== 页脚 ===== */
.footer-link {
  color: rgba(255,255,255,0.75);
  transition: color 0.15s ease-out;
}

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

/* ===== 按钮焦点 ===== */
.btn:focus-visible,
.nav-item:focus-visible,
.faq-question:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(27,122,74,0.5);
  outline-offset: 2px;
}

/* ===== 移动端抽屉 ===== */
#mobileDrawer {
  box-shadow: 4px 0 20px rgba(0,0,0,0.08);
}

#mobileDrawer.open {
  transform: translateX(0);
}

#mobileOverlay.show {
  display: block;
}

/* ===== 移动端断点 ===== */
@media (max-width: 1023px) {
  .sidebar {
    display: none !important;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .feature-card,
  .stat-card {
    padding: 16px !important;
  }

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

@media (max-width: 520px) {
  .hero-title {
    font-size: 1.9rem !important;
  }

  .hero-subtitle {
    font-size: 1rem !important;
  }
}

/* roulang page: article */
:root {
            --primary: #1B7A4A;
            --primary-dark: #104D2F;
            --accent: #F59E0B;
            --bg: #F6F5F1;
            --ink: #1F2937;
            --ink-soft: #6B7280;
            --ink-mute: #9CA3AF;
            --border: #E5E7EB;
            --radius: 12px;
            --shadow: 0 2px 12px rgba(16, 77, 47, 0.06);
            --shadow-hover: 0 8px 24px rgba(16, 77, 47, 0.12);
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
            background-color: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            background: none;
            border: none;
            padding: 0;
        }

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            border-radius: 10px;
            font-weight: 500;
            font-size: 0.95rem;
            line-height: 1.5;
            border: 1px solid transparent;
            transition: background-color .15s ease-out, border-color .15s ease-out, transform .15s ease-out, box-shadow .15s ease-out;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid rgba(27, 122, 74, 0.5);
            outline-offset: 2px;
        }

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

        .btn-primary:hover {
            background-color: #14603A;
        }

        .btn-primary:active {
            background-color: #0F4D2F;
            transform: translateY(1px);
        }

        .btn-accent {
            background-color: var(--accent);
            color: #1F2937;
            font-weight: 600;
        }

        .btn-accent:hover {
            background-color: #D97706;
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background-color: rgba(255, 255, 255, 0.1);
        }

        .card {
            display: block;
            background-color: #fff;
            border: 1px solid rgba(229, 231, 235, 0.9);
            border-radius: 12px;
            box-shadow: var(--shadow);
            transition: border-color .15s ease-out, box-shadow .15s ease-out, transform .15s ease-out;
            overflow: hidden;
        }

        .card:hover {
            border-color: rgba(27, 122, 74, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.65rem;
            border-radius: 6px;
            background-color: rgba(27, 122, 74, 0.08);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 500;
            line-height: 1.4;
        }

        .article-content {
            font-size: 1rem;
            line-height: 1.8;
            color: #374151;
            word-break: break-word;
        }

        .article-content p {
            margin-bottom: 1.25em;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            font-weight: 600;
            color: #1F2937;
            line-height: 1.4;
            margin-top: 2em;
            margin-bottom: 0.8em;
        }

        .article-content h2 {
            font-size: 1.5rem;
        }

        .article-content h3 {
            font-size: 1.2rem;
        }

        .article-content img {
            border-radius: 12px;
            margin: 1.5em auto;
        }

        .article-content blockquote {
            border-left: 3px solid var(--primary);
            padding: 0.8rem 1.1rem;
            background-color: rgba(27, 122, 74, 0.05);
            border-radius: 0 8px 8px 0;
            margin: 1.5em 0;
            color: #4B5563;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 1.25em;
            padding-left: 1.25rem;
        }

        .article-content li {
            margin-bottom: 0.4em;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 1.5em;
            font-size: 0.9rem;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 0.6rem 0.75rem;
            text-align: left;
        }

        .article-content table th {
            background-color: rgba(27, 122, 74, 0.05);
            font-weight: 600;
            color: #1F2937;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.6);
            transition: color .15s ease-out;
        }

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

        .sidebar-nav a {
            font-size: 0.925rem;
            transition: background-color .15s ease-out, color .15s ease-out;
        }

        .sidebar-nav a:hover {
            background-color: rgba(27, 122, 74, 0.05);
            color: var(--primary);
        }

        @media (max-width: 640px) {
            .btn {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
    --primary: #1B7A4A;
    --primary-dark: #104D2F;
    --primary-light: #e8f4ed;
    --accent: #F59E0B;
    --accent-dark: #D97706;
    --page: #F6F5F1;
    --card: #FFFFFF;
    --ink: #1F2937;
    --ink-soft: #6B7280;
    --ink-mute: #9CA3AF;
    --border: #E5E7EB;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(16, 77, 47, .06);
    --shadow-hover: 0 8px 24px rgba(16, 77, 47, .12);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
    background: var(--page);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    font-feature-settings: "tnum";
  }

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

  a {
    text-decoration: none;
    color: inherit;
    transition: color .15s ease-out, background-color .15s ease-out, border-color .15s ease-out, box-shadow .15s ease-out;
  }

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

  .container-mine {
    max-width: 80rem;
    margin: 0 auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  @media (min-width: 768px) {
    .container-mine {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }

  .section-padding {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  @media (min-width: 768px) {
    .section-padding {
      padding-top: 5.5rem;
      padding-bottom: 5.5rem;
    }
  }

  /* —— 左侧 App Shell —— */
  .sidebar {
    width: 72px;
    transition: width .3s ease-out;
  }

  .sidebar:hover {
    width: 220px;
  }

  .sidebar .nav-label,
  .sidebar .logo-label {
    white-space: nowrap;
    overflow: hidden;
    max-width: 0;
    opacity: 0;
    transition: max-width .3s ease-out, opacity .2s ease-out;
  }

  .sidebar:hover .nav-label,
  .sidebar:hover .logo-label {
    max-width: 150px;
    opacity: 1;
  }

  .nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1rem;
    border-radius: .75rem;
    color: var(--ink-soft);
    white-space: nowrap;
  }

  .nav-item:hover {
    background: rgba(27, 122, 74, .05);
    color: var(--primary);
  }

  .nav-item.active {
    background: rgba(27, 122, 74, .05);
    color: var(--primary);
    font-weight: 500;
  }

  .nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--primary);
    border-radius: 0 4px 4px 0;
  }

  .main-area {
    margin-left: 0;
  }

  @media (min-width: 1024px) {
    .main-area {
      margin-left: 72px;
    }
  }

  /* —— 移动端顶部栏 —— */
  .mobile-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 0 1rem;
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
  }

  @media (min-width: 1024px) {
    .mobile-top {
      display: none;
    }
  }

  /* —— 抽屉 —— */
  .drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .4);
    z-index: 60;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s;
  }

  .drawer-mask.show {
    opacity: 1;
    pointer-events: auto;
  }

  .drawer {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 264px;
    background: #fff;
    z-index: 61;
    transform: translateX(-100%);
    transition: transform .3s ease-out;
    display: flex;
    flex-direction: column;
  }

  .drawer.show {
    transform: translateX(0);
  }

  /* —— 按钮 —— */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.5rem;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-weight: 500;
    transition: background-color .15s, transform .15s, box-shadow .15s;
    min-height: 44px;
  }

  .btn-primary:hover {
    background: #14633c;
    box-shadow: var(--shadow-hover);
  }

  .btn-primary:active {
    background: #0e4e2f;
    transform: translateY(1px);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.5rem;
    border-radius: 10px;
    border: 1px solid #D1D5DB;
    color: var(--ink);
    font-weight: 500;
    min-height: 44px;
    transition: border-color .15s, color .15s, transform .15s;
  }

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

  .btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.75rem;
    border-radius: 10px;
    background: var(--accent);
    color: var(--ink);
    font-weight: 600;
    min-height: 44px;
    transition: background-color .15s, transform .15s, box-shadow .15s;
  }

  .btn-cta:hover {
    background: #e08e0a;
    box-shadow: 0 8px 24px rgba(245, 158, 11, .25);
  }

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

  .btn-outline-white {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, .6);
    color: #fff;
    font-weight: 500;
    min-height: 44px;
    transition: background-color .15s, border-color .15s;
  }

  .btn-outline-white:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
  }

  .btn-primary:focus-visible,
  .btn-outline:focus-visible,
  .btn-cta:focus-visible,
  .btn-outline-white:focus-visible,
  .footer-link:focus-visible,
  .nav-item:focus-visible,
  .faq-question:focus-visible {
    outline: 2px solid rgba(27, 122, 74, .55);
    outline-offset: 2px;
  }

  /* —— 卡片 —— */
  .card-hover {
    transition: border-color .15s ease-out, box-shadow .15s ease-out, transform .15s ease-out;
  }

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

  .card-hover:hover .icon-move {
    transform: translateX(4px);
  }

  .icon-move {
    transition: transform .15s ease-out;
  }

  /* —— FAQ —— */
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease-out, padding .3s ease-out;
    padding: 0 1rem;
  }

  .faq-item.open .faq-answer {
    max-height: 400px;
    padding-bottom: 1rem;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
  }

  .faq-icon {
    transition: transform .25s ease-out;
  }

  .faq-question {
    cursor: pointer;
    user-select: none;
    min-height: 44px;
  }

  /* —— Hero —— */
  .hero-bg {
    background: linear-gradient(135deg, #104D2F 0%, #1B7A4A 55%, #21a96b 100%);
  }

  .hero-grid-overlay {
    background-image:
      linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 32px 32px;
  }

  /* —— 页脚 —— */
  .footer-link {
    color: rgba(255, 255, 255, .6);
    transition: color .15s;
  }

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

  /* —— 工具 —— */
  .badge-primary {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .2rem .6rem;
    border-radius: 9999px;
    background: rgba(27, 122, 74, .08);
    color: var(--primary);
    font-size: .75rem;
    font-weight: 500;
  }

  .badge-accent {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .25rem .75rem;
    border-radius: 9999px;
    background: var(--accent);
    color: var(--ink);
    font-size: .75rem;
    font-weight: 600;
  }

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

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

  /* —— 步骤条 —— */
  .step-num {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
  }

  /* —— 表单 —— */
  .form-input {
    width: 100%;
    border: 1px solid #D1D5DB;
    border-radius: .75rem;
    padding: .75rem 1rem;
    background: #fff;
    color: var(--ink);
    transition: border-color .15s, box-shadow .15s;
  }

  .form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27, 122, 74, .1);
  }

  /* —— 响应式 —— */
  @media (max-width: 1023px) {
    .desktop-sidebar {
      display: none;
    }
    .main-area {
      margin-left: 0;
      padding-top: 48px;
    }
  }

  @media (max-width: 767px) {
    .hero-title {
      font-size: 1.875rem !important;
    }
    .section-padding {
      padding-top: 3rem;
      padding-bottom: 3rem;
    }
    .btn-cta,
    .btn-primary,
    .btn-outline,
    .btn-outline-white {
      width: 100%;
    }
    .cta-inline {
      flex-direction: column;
      align-items: stretch;
    }
  }

  @media (max-width: 520px) {
    body {
      font-size: 15px;
    }
    .card-inner {
      padding: 1rem;
    }
  }

/* roulang page: category2 */
:root{
  --primary:#1B7A4A;
  --primary-dark:#104D2F;
  --primary-light:#E8F3ED;
  --accent:#F59E0B;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --ink:#1F2937;
  --ink-soft:#6B7280;
  --ink-muted:#9CA3AF;
  --border:#E5E7EB;
  --radius:12px;
  --shadow:0 2px 12px rgba(16,77,47,.06);
  --shadow-hover:0 8px 24px rgba(16,77,47,.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  line-height:1.75;
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-feature-settings:"tnum";
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}
.container{max-width:1280px;margin:0 auto;padding-left:1.25rem;padding-right:1.25rem}
@media(min-width:768px){.container{padding-left:2rem;padding-right:2rem}}

/* ===== 左栏 App Shell ===== */
#sidebar{
  width:72px;
  transition:width .2s ease-out;
}
#sidebar.is-open{width:220px}
#sidebar .nav-text{
  opacity:0;
  white-space:nowrap;
  transition:opacity .15s ease-out;
}
#sidebar.is-open .nav-text{opacity:1}
#sidebar .nav-link{
  justify-content:center;
  padding-left:0;
  padding-right:0;
}
#sidebar.is-open .nav-link{
  justify-content:flex-start;
  padding-left:1rem;
  padding-right:1rem;
}
.nav-link{position:relative;transition:background .15s ease-out,color .15s ease-out}
.nav-link:hover{background:rgba(27,122,74,.05);color:var(--primary)}
.nav-link.active{
  background:rgba(27,122,74,.05);
  color:var(--primary);
  box-shadow:inset 3px 0 0 var(--primary);
}
#pageWrapper{margin-left:0;padding-top:48px;transition:margin-left .2s ease-out}
@media(min-width:1024px){
  #pageWrapper{margin-left:72px;padding-top:0}
  #sidebar.is-open + #pageWrapper{margin-left:220px}
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:500;border-radius:10px;padding:.75rem 1.5rem;
  transition:all 150ms ease-out;font-size:1rem;line-height:1.5;
}
.btn:focus-visible{outline:2px solid rgba(27,122,74,.5);outline-offset:2px}
.btn-accent{background:var(--accent);color:#1F2937;box-shadow:0 4px 14px rgba(245,158,11,.25)}
.btn-accent:hover{background:#e08e00;box-shadow:0 6px 18px rgba(245,158,11,.32)}
.btn-accent:active{transform:translateY(1px);background:#d48a00}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(27,122,74,.2)}
.btn-primary:hover{background:#166A3F}
.btn-primary:active{transform:translateY(1px);background:#125936}
.btn-outline{border:1px solid #D1D5DB;color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:rgba(27,122,74,.04)}

/* ===== 卡片 ===== */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:border-color 150ms ease-out,box-shadow 150ms ease-out,transform 150ms ease-out;
}
.card-hover:hover{
  border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-2px);
}
.card-hover:hover .card-arrow{transform:translateX(4px)}
.card-arrow{transition:transform 150ms ease-out}

/* ===== 标签徽章 ===== */
.section-tag{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.25rem .8rem;font-size:.75rem;font-weight:600;
  color:var(--primary);background:rgba(27,122,74,.08);
  border-radius:9999px;letter-spacing:.02em;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.3rem .9rem;font-size:.8rem;font-weight:500;
  color:#fff;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:9999px;backdrop-filter:blur(4px);
}

/* ===== FAQ ===== */
.faq-item{border-bottom:1px solid var(--border)}
.faq-question{
  display:flex;justify-content:space-between;align-items:center;
  padding:1rem 0;font-weight:500;color:var(--ink);cursor:pointer;
  transition:color .15s;
}
.faq-question:hover{color:var(--primary)}
.faq-icon{
  display:flex;align-items:center;justify-content:center;
  width:24px;height:24px;flex-shrink:0;color:var(--primary);
  transition:transform .2s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-item.open .faq-answer{max-height:320px}

/* ===== 流程步骤 ===== */
.process-step{position:relative}
.process-num{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  color:#fff;font-weight:600;font-size:1rem;
}
.process-step::after{
  content:'';position:absolute;top:50%;right:-1rem;
  width:1rem;height:1px;background:rgba(255,255,255,.25);
}
@media(max-width:767px){
  .process-step::after{display:none}
}

/* ===== 页脚 ===== */
.footer-link{color:rgba(255,255,255,.6);transition:color .15s ease-out}
.footer-link:hover{color:var(--accent)}

/* ===== 列表符号 ===== */
.check-list li{display:flex;gap:.6rem;align-items:flex-start}
.check-list li::before{
  content:'';flex-shrink:0;width:18px;height:18px;margin-top:.2rem;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322C55E' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
}
.cross-list li{display:flex;gap:.6rem;align-items:flex-start}
.cross-list li::before{
  content:'';flex-shrink:0;width:18px;height:18px;margin-top:.2rem;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23EF4444' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M18 6L6 18M6 6l12 12'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ===== 移动端抽屉 ===== */
#mobileDrawer{transform:translateX(-100%);transition:transform .25s ease-out}
#mobileDrawer.open{transform:translateX(0)}
#drawerMask{opacity:0;visibility:hidden;transition:opacity .2s ease-out}
#drawerMask.show{opacity:1;visibility:visible}

/* ===== 移动端导航链接 ===== */
.mobile-nav-link{
  display:flex;align-items:center;gap:.75rem;
  padding:.8rem 1rem;border-radius:10px;
  color:var(--ink-soft);font-weight:500;transition:all .15s;
}
.mobile-nav-link:hover{background:rgba(27,122,74,.05);color:var(--primary)}
.mobile-nav-link.active{
  background:rgba(27,122,74,.05);color:var(--primary);font-weight:600;
  box-shadow:inset 3px 0 0 var(--primary);
}

/* ===== 通用区块 ===== */
.section-title{font-size:1.75rem;line-height:1.35;font-weight:600}
@media(min-width:768px){.section-title{font-size:2rem}}
.section-sub{color:var(--ink-soft);font-size:1rem;line-height:1.75}

/* ===== 虚线空态 ===== */
.empty-dashed{
  border:2px dashed #D1D5DB;border-radius:var(--radius);
  background:rgba(255,255,255,.6);padding:2rem;
  display:flex;flex-direction:column;align-items:center;gap:.5rem;
  color:var(--ink-muted);font-size:.9rem;
}

/* ===== 响应式 ===== */
@media(max-width:1023px){
  #sidebar{display:none}
  #pageWrapper{padding-top:48px}
}
@media(max-width:640px){
  .container{padding-left:1rem;padding-right:1rem}
  .btn{width:100%}
}

/* roulang page: category3 */
:root {
            --primary: #1B7A4A;
            --primary-dark: #104D2F;
            --accent: #F59E0B;
            --bg: #F6F5F1;
            --card: #FFFFFF;
            --ink: #1F2937;
            --ink-soft: #6B7280;
            --ink-muted: #9CA3AF;
            --border: #E5E7EB;
            --radius: 12px;
            --shadow: 0 2px 12px rgba(16, 77, 47, 0.06);
            --shadow-hover: 0 8px 24px rgba(16, 77, 47, 0.12);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            margin: 0;
            font-feature-settings: "tnum";
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        h1,
        h2,
        h3 {
            font-weight: 600;
            line-height: 1.35;
            color: var(--ink);
        }

        h1 {
            font-size: 2.25rem;
        }
        h2 {
            font-size: 1.75rem;
        }
        h3 {
            font-size: 1.25rem;
        }

        /* ===== Sidebar ===== */
        #sidebar {
            width: 72px;
            transition: width .25s ease;
            box-shadow: 1px 0 0 rgba(0, 0, 0, 0.04);
        }
        #sidebar .nav-text,
        #sidebar .logo-text,
        #sidebar .collapse-text {
            opacity: 0;
            white-space: nowrap;
            transition: opacity .15s ease;
        }
        #sidebar:hover .nav-text,
        #sidebar:hover .logo-text,
        #sidebar:hover .collapse-text {
            opacity: 1;
        }
        @media (min-width: 1024px) {
            #sidebar:hover {
                width: 220px;
            }
        }
        @media (max-width: 1023px) {
            #sidebar {
                width: 220px;
                transform: translateX(-100%);
                transition: transform .3s ease;
            }
            #sidebar.open {
                transform: translateX(0);
            }
            #sidebar .nav-text,
            #sidebar .logo-text,
            #sidebar .collapse-text {
                opacity: 1;
            }
        }

        .nav-link.active {
            background: rgba(27, 122, 74, 0.06);
            color: var(--primary);
            box-shadow: inset 3px 0 0 var(--primary);
        }
        .nav-link.active:hover {
            background: rgba(27, 122, 74, 0.06);
        }

        /* ===== Buttons ===== */
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--accent);
            color: #1F2937;
            font-weight: 600;
            padding: .75rem 1.75rem;
            border-radius: 10px;
            border: 1px solid transparent;
            transition: all .15s ease;
            font-size: .95rem;
        }
        .btn-accent:hover {
            background: #e08f00;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(245, 158, 11, .3);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-accent:focus-visible,
        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .btn-outline-light:focus-visible {
            outline: 2px solid rgba(27, 122, 74, .5);
            outline-offset: 2px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--primary);
            color: #fff;
            font-weight: 500;
            padding: .75rem 1.75rem;
            border-radius: 10px;
            transition: all .15s ease;
            font-size: .95rem;
        }
        .btn-primary:hover {
            background: #146039;
            transform: translateY(-1px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            border: 1px solid #D1D5DB;
            color: var(--ink);
            font-weight: 500;
            padding: .75rem 1.75rem;
            border-radius: 10px;
            transition: all .15s ease;
            font-size: .95rem;
            background: #fff;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            border: 1px solid rgba(255, 255, 255, .5);
            color: #fff;
            font-weight: 500;
            padding: .75rem 1.75rem;
            border-radius: 10px;
            transition: all .15s ease;
            font-size: .95rem;
            backdrop-filter: blur(4px);
            background: rgba(255, 255, 255, .08);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .18);
            border-color: #fff;
        }

        /* ===== Badges / Tags ===== */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            background: rgba(27, 122, 74, .06);
            color: var(--primary);
            font-size: .8rem;
            font-weight: 600;
            padding: .25rem .85rem;
            border-radius: 999px;
            letter-spacing: .04em;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            background: rgba(245, 158, 11, .15);
            border: 1px solid rgba(245, 158, 11, .25);
            color: #F59E0B;
            font-size: .8rem;
            font-weight: 600;
            padding: .25rem .85rem;
            border-radius: 999px;
            letter-spacing: .04em;
        }

        /* ===== Cards ===== */
        .stat-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(27, 122, 74, .35);
            transform: translateY(-3px);
        }
        .stat-card .stat-num {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.5rem;
            transition: all .18s ease;
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity .2s ease;
        }
        .service-card:hover {
            border-color: rgba(27, 122, 74, .4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .service-card:hover::before {
            opacity: 1;
        }

        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.5rem;
            position: relative;
            box-shadow: var(--shadow);
        }
        .step-card .step-num {
            font-size: .8rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(27, 122, 74, .07);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2rem;
            height: 2rem;
            border-radius: 999px;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem .25rem;
            font-weight: 500;
            color: var(--ink);
            cursor: pointer;
            transition: color .15s ease;
            font-size: .95rem;
        }
        .faq-q:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 1.25rem;
            height: 1.25rem;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: rgba(27, 122, 74, .07);
            color: var(--primary);
            font-size: 1rem;
            line-height: 1;
            transition: transform .25s ease, background .25s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            font-size: .9rem;
            color: var(--ink-soft);
            line-height: 1.75;
        }
        .faq-answer-inner {
            padding: 0 .25rem 1.1rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        /* ===== Form ===== */
        .form-control {
            width: 100%;
            border: 1px solid #D1D5DB;
            border-radius: .5rem;
            padding: .7rem .9rem;
            font-size: .9rem;
            font-family: inherit;
            background: #fff;
            transition: border-color .15s ease, box-shadow .15s ease;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 122, 74, .1);
        }
        .form-label {
            display: block;
            font-size: .8rem;
            font-weight: 500;
            color: var(--ink-soft);
            margin-bottom: .35rem;
        }

        /* ===== Footer ===== */
        .footer-link {
            color: rgba(255, 255, 255, .6);
            transition: color .15s ease;
        }
        .footer-link:hover {
            color: var(--accent);
        }

        /* ===== Timeline ===== */
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -14px;
            top: 6px;
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: var(--primary);
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px rgba(27, 122, 74, .15);
        }

        /* ===== Responsive text ===== */
        @media (max-width: 767px) {
            h1 {
                font-size: 1.75rem;
            }
            h2 {
                font-size: 1.35rem;
            }
        }