/* roulang page: index */
:root {
    --primary: #0B9B8A;
    --primary-light: rgba(11, 155, 138, 0.1);
    --secondary: #FF8A3D;
    --accent: #FFC53D;
    --bg: #F7F5F0;
    --ink: #1F2937;
    --muted: #6B7280;
    --border: #E5E7EB;
    --dark: #0C1F1A;
    --radius-lg: 1rem;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  }
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: var(--font-main);
    background-color: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
  }
  a:hover {
    color: var(--primary);
  }
  img {
    max-width: 100%;
    display: block;
  }
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  @media (min-width: 640px) {
    .container {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  }
  @media (min-width: 1024px) {
    .container {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }
  .capsule-nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    width: min(1200px, calc(100% - 32px));
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 9999px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    transition: background 0.3s ease, box-shadow 0.3s ease;
  }
  .capsule-nav.scrolled {
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  }
  .nav-link {
    position: relative;
    font-size: 0.925rem;
    font-weight: 500;
    color: #374151;
    padding: 0.4rem 0.9rem;
    border-radius: 9999px;
    transition: background 0.3s ease, color 0.3s ease;
  }
  .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
  }
  .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 600;
  }
  .btn-gradient {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #0B9B8A 0%, #FF8A3D 100%);
    color: #fff;
    font-weight: 600;
    border-radius: 9999px;
    padding: 0.75rem 1.875rem;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(11, 155, 138, 0.3);
    transition: all 0.3s ease;
  }
  .btn-gradient:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 138, 61, 0.35);
    color: #fff;
  }
  .btn-gradient:active {
    transform: translateY(0);
  }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: transparent;
    color: #fff;
    font-weight: 500;
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    border-radius: 9999px;
    padding: 0.75rem 1.875rem;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
  }
  .btn-outline:active {
    transform: translateY(0);
  }
  .hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(135deg, rgba(12, 31, 26, 0.92) 0%, rgba(12, 31, 26, 0.72) 60%, rgba(12, 31, 26, 0.85) 100%), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
  }
  .hero-section::after {
    content: '';
    position: absolute;
    right: -10%;
    top: 20%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(255, 138, 61, 0.25), transparent 60%);
    pointer-events: none;
  }
  .hero-badge {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 9999px;
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }
  .card-glass {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    transition: all 0.3s ease;
  }
  .card-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
  }
  .section-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--ink);
  }
  .section-subtitle {
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.75;
    max-width: 640px;
  }
  .step-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
  }
  .step-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--primary);
  }
  .step-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(11, 155, 138, 0.2);
    line-height: 1;
  }
  .reward-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
  }
  .reward-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
  }
  .reward-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, #FF8A3D, #FFC53D);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(255, 138, 61, 0.3);
  }
  .badge-sm {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 8px;
  }
  .progress-track {
    background: rgba(0, 0, 0, 0.08);
    border-radius: 9999px;
    height: 10px;
    overflow: hidden;
  }
  .progress-bar {
    height: 100%;
    background: linear-gradient(135deg, #0B9B8A 0%, #FF8A3D 100%);
    border-radius: 9999px;
    transition: width 1s ease;
  }
  .cta-section {
    background: #0C1F1A;
    border-radius: 2rem;
    position: relative;
    overflow: hidden;
    padding: 4rem 2rem;
    text-align: center;
    color: #fff;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 120%;
    background: radial-gradient(circle, rgba(255, 138, 61, 0.3), transparent 60%);
    pointer-events: none;
  }
  .news-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem 1.25rem;
    transition: all 0.3s ease;
  }
  .news-item:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
    border-color: var(--primary);
  }
  .news-thumb {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, rgba(11, 155, 138, 0.15), rgba(255, 138, 61, 0.15));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
  }
  .news-title {
    font-weight: 600;
    color: var(--ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .news-summary {
    font-size: 0.875rem;
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
  }
  .news-meta {
    font-size: 0.75rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  .empty-tip {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--muted);
    font-size: 0.95rem;
    background: #fff;
    border: 1px dashed var(--border);
    border-radius: 1rem;
  }
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 1rem;
    margin-bottom: 0.75rem;
    overflow: hidden;
    transition: all 0.3s ease;
  }
  .faq-item[open] {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(11, 155, 138, 0.08);
  }
  .faq-item summary {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: color 0.3s ease;
  }
  .faq-item summary::-webkit-details-marker {
    display: none;
  }
  .faq-item summary:hover {
    color: var(--primary);
  }
  .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    transition: transform 0.3s ease;
  }
  .faq-item[open] .faq-icon {
    transform: rotate(45deg);
  }
  .faq-body {
    padding: 0 1.5rem 1.25rem;
    color: var(--muted);
    font-size: 0.9375rem;
    line-height: 1.75;
  }
  .footer-section {
    background: #0C1F1A;
    color: rgba(255, 255, 255, 0.8);
    padding: 3.5rem 0 2rem;
  }
  .footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 2.2;
  }
  .footer-links a:hover {
    color: var(--accent);
  }
  .footer-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
  }
  .mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    background: #fff;
    border-radius: 1.25rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    z-index: 49;
    flex-direction: column;
    gap: 0.75rem;
  }
  .mobile-menu.open {
    display: flex;
  }
  .mobile-menu a {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-weight: 500;
    color: var(--ink);
  }
  .mobile-menu a:hover {
    background: var(--primary-light);
    color: var(--primary);
  }
  .hamburger {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: transparent;
    border: none;
    cursor: pointer;
    align-items: center;
    justify-content: center;
  }
  .hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: #374151;
    margin: 3px auto;
    border-radius: 4px;
    transition: all 0.3s ease;
  }
  @media (max-width: 1023px) {
    .desktop-links {
      display: none !important;
    }
    .hamburger {
      display: flex;
    }
  }
  @media (max-width: 640px) {
    .capsule-nav {
      top: 8px;
      width: calc(100% - 20px);
      border-radius: 1.5rem;
    }
    .hero-section {
      min-height: auto;
      padding-top: 120px !important;
      padding-bottom: 60px !important;
    }
  }
  .timeline-connector {
    position: absolute;
    top: 50px;
    left: 50%;
    width: calc(100% - 2rem);
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    transform: translateX(-50%);
    z-index: 0;
  }
  @media (max-width: 767px) {
    .timeline-connector {
      display: none;
    }
  }
  .feature-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--ink);
    font-size: 0.9375rem;
    line-height: 1.75;
  }
  .feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
  }
  .stat-number {
    font-size: clamp(2rem, 3vw, 2.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, #0B9B8A, #FF8A3D);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 2.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
  }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #0B9B8A;
  --secondary: #FF8A3D;
  --accent: #FFC53D;
  --bg: #F7F5F0;
  --ink: #1F2937;
  --muted: #6B7280;
  --border: #E5E7EB;
  --dark: #0C1F1A;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.08);
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== 容器 ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}
@media (min-width: 640px) {
  .container { padding: 0 1.5rem; }
}
@media (min-width: 1024px) {
  .container { padding: 0 2rem; }
}

/* ===== 悬浮胶囊导航 ===== */
.capsule-nav {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  width: calc(100% - 2rem);
  max-width: 1280px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 9999px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}
.nav-link {
  padding: 0.45rem 1.1rem;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #4B5563;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(11,155,138,0.08);
}
.nav-link.active {
  color: var(--primary);
  background: rgba(11,155,138,0.1);
  font-weight: 600;
}
.btn-gradient {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 1.6rem;
  border-radius: 9999px;
  background: linear-gradient(135deg, #0B9B8A 0%, #FF8A3D 100%);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(11,155,138,0.25);
  transition: all 0.3s ease;
}
.btn-gradient:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(11,155,138,0.35);
}
.btn-gradient:active {
  transform: translateY(0);
}
.hamburger {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: #fff;
  transition: all 0.3s;
}
.hamburger:hover { border-color: var(--primary); }
.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== 移动端菜单 ===== */
.mobile-menu {
  position: fixed;
  top: 4.8rem;
  left: 1rem;
  right: 1rem;
  z-index: 59;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  border-radius: 1.25rem;
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
  padding: 1rem;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.35s ease;
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-weight: 500;
  color: var(--ink);
  transition: all 0.3s;
}
.mobile-menu a:hover {
  background: var(--bg);
  color: var(--primary);
}
.mobile-menu a.active {
  color: var(--primary);
  background: rgba(11,155,138,0.08);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.breadcrumb a {
  color: var(--muted);
  transition: color 0.3s;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #D1D5DB; }
.breadcrumb .current {
  color: var(--ink);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 280px;
}

/* ===== 文章标签 ===== */
.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 1.1rem;
  background: rgba(11,155,138,0.1);
  color: var(--primary);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ===== 文章头部 ===== */
.article-heading h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.3;
  color: #111827;
  margin: 1rem 0 0.75rem;
  letter-spacing: -0.02em;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.875rem;
}

/* ===== 正文阅读 ===== */
.article-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-sm);
}
@media (min-width: 768px) {
  .article-card { padding: 2.5rem; }
}
.article-content {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
}
.article-content p {
  margin-bottom: 1.3em;
}
.article-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 2em 0 1em;
  padding-bottom: 0.5em;
  border-bottom: 2px solid #F0EFEA;
  color: #111827;
}
.article-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 1.75em 0 0.75em;
  color: #111827;
}
.article-content ul,
.article-content ol {
  margin: 1em 0 1.25em;
  padding-left: 1.5em;
}
.article-content ul li,
.article-content ol li {
  margin-bottom: 0.5em;
}
.article-content ul li::marker { color: var(--primary); }
.article-content ol li::marker { color: var(--secondary); font-weight: 600; }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 1em 1.25em;
  margin: 1.5em 0;
  background: rgba(11,155,138,0.05);
  border-radius: 0 0.75rem 0.75rem 0;
  color: #4B5563;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content img {
  border-radius: 1rem;
  margin: 1.5em 0;
  box-shadow: var(--shadow-sm);
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.3s;
}
.article-content a:hover { color: var(--secondary); }
.article-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5em 0;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  overflow: hidden;
}
.article-content th,
.article-content td {
  padding: 0.75em 1em;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.article-content th {
  background: var(--bg);
  font-weight: 600;
}
.article-content tr:last-child td { border-bottom: none; }

/* ===== 空状态 ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  background: var(--bg);
  border: 1px dashed #D1D5DB;
  border-radius: 1rem;
  color: var(--muted);
  text-align: center;
}
.empty-state .icon { font-size: 2.5rem; margin-bottom: 0.75rem; }

/* ===== 返回链接 ===== */
.nav-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s;
}
.nav-back:hover { color: var(--primary); gap: 0.6rem; }

/* ===== 侧边栏 ===== */
.widget {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.widget-title {
  font-size: 1rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 0.9rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid #F0EFEA;
}
.widget-title::after {
  content: '';
  display: block;
  width: 32px;
  height: 3px;
  background: linear-gradient(135deg, #0B9B8A, #FF8A3D);
  border-radius: 2px;
  margin-top: 0.5rem;
}
.widget-list a {
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
  color: #4B5563;
  font-size: 0.9rem;
  border-bottom: 1px solid #F7F5F0;
  transition: all 0.3s;
}
.widget-list a:last-child { border-bottom: none; }
.widget-list a::before {
  content: '›';
  margin-right: 0.5rem;
  color: var(--primary);
  font-weight: 700;
  transition: margin 0.3s;
}
.widget-list a:hover {
  color: var(--primary);
  padding-left: 0.35rem;
}
.tag-cloud a {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--bg);
  border-radius: 9999px;
  font-size: 0.8rem;
  color: #4B5563;
  margin: 0 0.25rem 0.25rem 0;
  transition: all 0.3s;
}
.tag-cloud a:hover {
  background: rgba(11,155,138,0.1);
  color: var(--primary);
}
.widget-dark {
  background: var(--dark);
  border-color: transparent;
}
.widget-dark .widget-title { color: #fff; border-color: rgba(255,255,255,0.1); }
.widget-dark .widget-title::after {
  background: linear-gradient(135deg, #FFC53D, #FF8A3D);
}
.widget-dark p {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 0.9rem;
}

/* ===== 相关阅读 ===== */
.section-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: #111827;
  margin-bottom: 1.75rem;
  letter-spacing: -0.02em;
}
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: linear-gradient(135deg, #0B9B8A, #FF8A3D);
  border-radius: 2px;
  margin-top: 0.75rem;
}
.rel-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  overflow: hidden;
  transition: all 0.35s ease;
}
.rel-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(11,155,138,0.3);
}
.rel-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}
.rel-card-body {
  padding: 1rem 1.25rem 1.25rem;
}
.rel-card-body h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 0.4rem;
  line-height: 1.4;
}
.rel-card-body .rel-date {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  background: var(--dark);
  border-radius: 1.5rem;
  position: relative;
  overflow: hidden;
  padding: 3rem 1.5rem;
  text-align: center;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 20%, rgba(255,138,61,0.25), transparent 60%);
  pointer-events: none;
}
.cta-banner h2 {
  position: relative;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.6rem;
}
.cta-banner p {
  position: relative;
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}
.cta-banner .btn-gradient { position: relative; padding: 0.85rem 2.2rem; font-size: 1rem; }

/* ===== 页脚 ===== */
.footer-section {
  background: var(--dark);
  padding: 4rem 0 2rem;
}
.footer-title {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 1.1rem;
}
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  padding: 0.2rem 0;
  transition: all 0.3s;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 0.35rem;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  margin-top: 3rem;
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}

/* ===== 滚动条微调 ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #CCD0D5; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ===== 响应式细节 ===== */
@media (max-width: 640px) {
  .capsule-nav { top: 0.75rem; width: calc(100% - 1rem); }
  .breadcrumb .current { max-width: 160px; }
  .article-heading h1 { font-size: 1.65rem; }
  .cta-banner { padding: 2.5rem 1rem; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0B9B8A;
            --secondary: #FF8A3D;
            --accent: #FFC53D;
            --bg: #F7F5F0;
            --ink: #1F2937;
            --muted: #6B7280;
            --border: #E5E7EB;
            --dark: #0C1F1A;
            --radius: 1rem;
            --radius-sm: 0.5rem;
            --shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 20px 45px -15px rgba(0, 0, 0, 0.18);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", "Arial", sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        ul {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        @media (min-width: 640px) {
            .container {
                padding: 0 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 2rem;
            }
        }

        /* ===== 导航 ===== */
        .capsule-nav {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: calc(100% - 2rem);
            max-width: 1280px;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 999px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .capsule-nav.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 10px 35px rgba(0, 0, 0, 0.12);
        }
        .nav-link {
            position: relative;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--ink);
            padding: 0.5rem 1rem;
            border-radius: 999px;
            transition: color 0.3s ease, background 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(11, 155, 138, 0.08);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(11, 155, 138, 0.12);
            font-weight: 600;
        }

        /* ===== 汉堡菜单 ===== */
        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 0.5rem;
            border-radius: 999px;
            transition: background 0.3s ease;
        }
        .hamburger:hover {
            background: rgba(11, 155, 138, 0.08);
        }
        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 移动菜单 ===== */
        .mobile-menu {
            position: fixed;
            top: 5.5rem;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 2rem);
            max-width: 1280px;
            background: #fff;
            border-radius: 1.5rem;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            padding: 1.25rem;
            display: none;
            z-index: 150;
            opacity: 0;
            transition: opacity 0.25s ease;
        }
        .mobile-menu.open {
            display: block;
            opacity: 1;
        }
        .mobile-menu a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 0.75rem;
            font-weight: 500;
            color: var(--ink);
            transition: background 0.3s ease, color 0.3s ease;
        }
        .mobile-menu a:hover {
            background: rgba(11, 155, 138, 0.08);
            color: var(--primary);
        }
        .mobile-menu a.active {
            background: rgba(11, 155, 138, 0.12);
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 按钮 ===== */
        .btn-gradient {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            padding: 0.75rem 2rem;
            box-shadow: 0 4px 14px rgba(255, 138, 61, 0.3);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.95rem;
        }
        .btn-gradient:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 138, 61, 0.42);
        }
        .btn-gradient:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            padding: 0.75rem 2rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: transparent;
            border: 1.5px solid var(--border);
            color: var(--ink);
            font-weight: 600;
            border-radius: 999px;
            padding: 0.75rem 2rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(11, 155, 138, 0.06);
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 5.5rem 0;
            }
        }
        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
        }
        .section-lead {
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.75;
            margin-top: 0.75rem;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border-radius: 999px;
            padding: 0.4rem 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 0.05em;
        }
        .eyebrow-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        /* ===== Hero ===== */
        .brand-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(12, 31, 26, 0.92) 0%, rgba(12, 31, 26, 0.72) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 7.5rem 0 3.5rem;
            text-align: center;
            overflow: hidden;
        }
        .brand-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 20%, rgba(255, 138, 61, 0.25), transparent 60%);
            pointer-events: none;
        }
        .brand-hero .container {
            position: relative;
            z-index: 2;
        }
        .brand-hero h1 {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 700;
            color: #fff;
            margin: 1rem 0 0.75rem;
            line-height: 1.25;
        }
        .brand-hero .hero-lead {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            max-width: 620px;
            margin: 0 auto 1.75rem;
            line-height: 1.8;
        }

        /* ===== 数据徽章 ===== */
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 999px;
            padding: 0.55rem 1.15rem;
        }

        /* ===== 品牌故事区 ===== */
        .story-section {
            padding: 5rem 0;
            background: #fff;
        }
        @media (min-width: 768px) {
            .story-section {
                padding: 6.5rem 0;
            }
        }
        .story-image {
            border-radius: 1.5rem;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .story-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(12, 31, 26, 0.3) 100%);
            pointer-events: none;
        }
        .story-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .story-image:hover img {
            transform: scale(1.03);
        }
        @media (min-width: 1024px) {
            .story-image img {
                height: 480px;
            }
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            color: #374151;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .check-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(11, 155, 138, 0.12);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            margin-top: 0.15rem;
        }

        /* ===== 数据指标带 ===== */
        .stats-section {
            padding: 3.5rem 0;
            background: var(--bg);
        }
        @media (min-width: 768px) {
            .stats-section {
                padding: 4.5rem 0;
            }
        }
        .stats-band {
            background: #fff;
            border-radius: 1.5rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 2.5rem 2rem;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .stat-card {
            text-align: center;
            padding: 0.5rem;
        }
        .stat-number {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            display: block;
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--muted);
            font-weight: 500;
            display: block;
            margin-top: 0.35rem;
        }
        .stat-card + .stat-card {
            border-left: 1px solid var(--border);
        }

        /* ===== 品牌承诺 ===== */
        .promise-section {
            padding: 4rem 0;
            background: #fff;
        }
        @media (min-width: 768px) {
            .promise-section {
                padding: 5.5rem 0;
            }
        }
        .promise-card {
            background: linear-gradient(120deg, #fff 0%, rgba(255, 197, 61, 0.08) 100%);
            border-radius: 2rem;
            border: 1px solid rgba(255, 197, 61, 0.3);
            box-shadow: var(--shadow);
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
            transition: box-shadow 0.4s ease;
        }
        .promise-card:hover {
            box-shadow: var(--shadow-lg);
        }
        @media (min-width: 1024px) {
            .promise-card {
                flex-direction: row;
                padding: 3.5rem 4rem;
            }
        }
        .promise-image {
            width: 200px;
            height: 200px;
            border-radius: 1.5rem;
            object-fit: cover;
            box-shadow: var(--shadow-lg);
            flex-shrink: 0;
        }
        @media (min-width: 640px) {
            .promise-image {
                width: 240px;
                height: 240px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 4.5rem 0;
            background: var(--bg);
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 1rem;
            background: #fff;
            overflow: hidden;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .faq-item[open] {
            box-shadow: var(--shadow);
            border-color: rgba(11, 155, 138, 0.3);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--ink);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: color 0.2s ease;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(11, 155, 138, 0.12);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform 0.35s ease, background 0.3s ease, color 0.3s ease;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-item .faq-body {
            padding: 0 1.5rem 1.25rem;
            color: var(--muted);
            font-size: 0.93rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 4.5rem 0 5rem;
            background: #fff;
        }
        .cta-banner {
            position: relative;
            background: var(--dark);
            border-radius: 2rem;
            padding: 3.5rem 2rem;
            text-align: center;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 65%;
            height: 100%;
            background: radial-gradient(circle at 70% 20%, rgba(255, 138, 61, 0.28), transparent 60%);
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40%;
            height: 100%;
            background: radial-gradient(circle at 20% 80%, rgba(11, 155, 138, 0.2), transparent 55%);
            pointer-events: none;
        }
        .cta-banner>* {
            position: relative;
            z-index: 1;
        }
        .cta-banner h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.75rem;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
            font-size: 0.98rem;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--dark);
            color: #9CA3AF;
            padding: 4rem 0 2rem;
        }
        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: #9CA3AF;
            padding: 0.3rem 0;
            transition: color 0.3s ease, transform 0.2s ease;
            display: inline-block;
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 3rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: #6B7280;
            letter-spacing: 0.02em;
        }

        /* ===== 焦点可见性 ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        /* ===== 响应式细节 ===== */
        @media (max-width: 767px) {
            .stats-band {
                grid-template-columns: repeat(3, 1fr);
                padding: 1.75rem 1rem;
                gap: 0.5rem;
            }
            .stat-card + .stat-card {
                border-left: 1px solid var(--border);
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .stat-label {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .stats-band {
                grid-template-columns: 1fr;
            }
            .stat-card + .stat-card {
                border-left: none;
                border-top: 1px solid var(--border);
                padding-top: 1.25rem;
            }
            .brand-hero {
                padding: 6.5rem 0 2.5rem;
            }
            .hero-badge {
                font-size: 0.78rem;
                padding: 0.45rem 0.9rem;
            }
            .promise-card {
                padding: 1.75rem;
            }
            .cta-banner {
                padding: 2.5rem 1.25rem;
            }
        }

/* roulang page: category2 */
:root {
    --primary: #0B9B8A;
    --secondary: #FF8A3D;
    --accent: #FFC53D;
    --bg: #F7F5F0;
    --ink: #1F2937;
    --muted: #6B7280;
    --border: #E5E7EB;
    --dark: #0C1F1A;
    --radius: 1rem;
    --radius-full: 999px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

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

  a {
    text-decoration: none;
    color: inherit;
    transition: color .25s;
  }

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible {
    outline: 3px solid rgba(255, 138, 61, .55);
    outline-offset: 2px;
    border-radius: 6px;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  @media (min-width: 640px) {
    .container {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  }

  @media (min-width: 1024px) {
    .container {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }

  /* ===== 胶囊导航 ===== */
  .capsule-nav {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    width: calc(100% - 2rem);
    max-width: 1100px;
    background: rgba(255, 255, 255, .85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, .45);
    border-radius: var(--radius-full);
    box-shadow: 0 8px 30px rgba(12, 31, 26, .08);
    transition: background .3s, box-shadow .3s;
  }

  .capsule-nav:hover {
    background: rgba(255, 255, 255, .92);
    box-shadow: 0 12px 36px rgba(12, 31, 26, .12);
  }

  .nav-link {
    font-size: .9rem;
    font-weight: 600;
    color: #374151;
    padding: .5rem 1rem;
    border-radius: var(--radius-full);
    transition: background .25s, color .25s;
    position: relative;
  }

  .nav-link:hover {
    color: var(--primary);
    background: rgba(11, 155, 138, .08);
  }

  .nav-link.active {
    color: var(--primary);
    background: rgba(11, 155, 138, .12);
  }

  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 3px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
  }

  .btn-gradient {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    font-weight: 700;
    padding: .8rem 1.75rem;
    border-radius: var(--radius-full);
    box-shadow: 0 6px 20px rgba(11, 155, 138, .30);
    transition: all .3s ease;
    border: none;
    cursor: pointer;
    line-height: 1.4;
  }

  .btn-gradient:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(11, 155, 138, .35);
    color: #fff;
  }

  .btn-gradient:active {
    transform: translateY(0);
    box-shadow: 0 4px 14px rgba(11, 155, 138, .25);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: transparent;
    color: #fff;
    font-weight: 600;
    padding: .75rem 1.75rem;
    border-radius: var(--radius-full);
    border: 1.5px solid rgba(255, 255, 255, .7);
    transition: all .3s ease;
    cursor: pointer;
  }

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

  .btn-outline-dark {
    border-color: rgba(12, 31, 26, .35);
    color: var(--dark);
  }

  .btn-outline-dark:hover {
    background: rgba(11, 155, 138, .08);
    border-color: var(--primary);
    color: var(--primary);
  }

  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
  }

  .hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 4px;
    transition: all .3s;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 74px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 2rem);
    max-width: 500px;
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(14px);
    border-radius: 1.25rem;
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    z-index: 99;
  }

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

  .mobile-menu a {
    display: block;
    padding: .75rem 1rem;
    border-radius: .75rem;
    font-weight: 600;
    color: var(--ink);
  }

  .mobile-menu a:hover {
    background: rgba(11, 155, 138, .08);
    color: var(--primary);
  }

  .mobile-menu a.active {
    background: rgba(11, 155, 138, .12);
    color: var(--primary);
  }

  @media (max-width: 1023px) {
    .desktop-links {
      display: none !important;
    }
    .hamburger {
      display: flex;
    }
    .capsule-nav .btn-gradient {
      display: none !important;
    }
  }

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

  /* ===== 分类 Hero ===== */
  .category-hero {
    position: relative;
    background: linear-gradient(135deg, rgba(12, 31, 26, .92) 0%, rgba(12, 31, 26, .65) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 10rem 0 5rem;
    overflow: hidden;
  }

  .category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 20%, rgba(255, 138, 61, .22), transparent 60%);
    pointer-events: none;
  }

  .category-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: var(--radius-full);
    padding: .4rem 1rem;
    font-size: .85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, .92);
  }

  .category-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin: 1.2rem 0 1rem;
  }

  .category-hero .hero-sub {
    color: rgba(255, 255, 255, .78);
    font-size: 1.05rem;
    max-width: 560px;
    line-height: 1.8;
  }

  .category-hero .hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 2rem;
  }

  .hero-stat-item {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(255, 255, 255, .10);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--radius-full);
    padding: .5rem 1.1rem;
    font-size: .9rem;
    color: rgba(255, 255, 255, .9);
  }

  .hero-stat-item .stat-num {
    font-weight: 800;
    color: var(--accent);
    font-size: 1.05rem;
  }

  /* ===== 步骤区域 ===== */
  .steps-section {
    padding: 5rem 0;
    background: var(--bg);
  }

  .section-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 800;
    color: var(--ink);
    line-height: 1.4;
    letter-spacing: -0.02em;
  }

  .section-subtitle {
    color: var(--muted);
    font-size: .98rem;
    max-width: 560px;
    margin-top: .5rem;
  }

  .step-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform .35s, box-shadow .35s, border-color .35s;
  }

  .step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(11, 155, 138, .35);
  }

  .step-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
  }

  .step-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s;
  }

  .step-card:hover .step-img-wrap img {
    transform: scale(1.05);
  }

  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    height: 52px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(11, 155, 138, .15), rgba(255, 138, 61, .15));
    color: var(--primary);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.04em;
  }

  .step-content {
    padding: 1.75rem;
  }

  .step-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 1rem 0 .5rem;
    color: var(--ink);
  }

  .step-content p {
    color: var(--muted);
    font-size: .92rem;
    line-height: 1.7;
    margin: 0;
  }

  /* ===== FAQ 手风琴 ===== */
  .faq-section {
    padding: 5rem 0;
    background: #fff;
  }

  .faq-list {
    max-width: 760px;
    margin: 0 auto;
  }

  .faq-item {
    border: 1px solid var(--border);
    border-radius: 1rem;
    margin-bottom: .75rem;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .3s, border-color .3s;
  }

  .faq-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(11, 155, 138, .3);
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    color: var(--ink);
    padding: 1.1rem 1.35rem;
    font-size: .96rem;
    transition: color .2s;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary .icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(11, 155, 138, .10);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 300;
    font-size: 1.1rem;
    transition: transform .3s, background .3s;
    flex-shrink: 0;
  }

  .faq-item[open] summary .icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
  }

  .faq-item .answer {
    padding: 0 1.35rem 1.25rem;
    color: var(--muted);
    font-size: .9rem;
    line-height: 1.75;
  }

  .faq-item[open] summary {
    color: var(--primary);
  }

  /* ===== CTA 横幅 ===== */
  .cta-banner {
    border-radius: 2rem;
    background: linear-gradient(135deg, var(--dark) 0%, #123530 100%);
    position: relative;
    overflow: hidden;
    padding: 4rem 2rem;
    text-align: center;
  }

  .cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 20%, rgba(255, 138, 61, .28), transparent 60%);
    pointer-events: none;
  }

  .cta-banner h2 {
    color: #fff;
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 800;
    position: relative;
    z-index: 1;
    line-height: 1.4;
  }

  .cta-banner p {
    color: rgba(255, 255, 255, .7);
    max-width: 480px;
    margin: .75rem auto 1.5rem;
    position: relative;
    z-index: 1;
    font-size: .95rem;
  }

  .cta-banner .btn-wrapper {
    position: relative;
    z-index: 1;
  }

  /* ===== 页脚 ===== */
  .footer-section {
    background: var(--dark);
    padding: 4rem 0 0;
    color: rgba(255, 255, 255, .8);
  }

  .footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
  }

  .footer-links a {
    color: rgba(255, 255, 255, .65);
    font-size: .9rem;
    padding: .3rem 0;
    transition: color .25s, padding-left .25s;
  }

  .footer-links a:hover {
    color: var(--accent);
    padding-left: 6px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    margin-top: 3rem;
    padding: 1.25rem 0;
    text-align: center;
    font-size: .82rem;
    color: rgba(255, 255, 255, .4);
    position: relative;
  }

  .footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    flex-wrap: wrap;
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1023px) {
    .category-hero {
      padding: 8rem 0 3.5rem;
    }
    .category-hero .hero-stats {
      overflow-x: auto;
      flex-wrap: nowrap;
      padding-bottom: .5rem;
      -webkit-overflow-scrolling: touch;
    }
    .category-hero .hero-stat-item {
      flex-shrink: 0;
    }
    .cta-banner {
      padding: 3rem 1.25rem;
      border-radius: 1.5rem;
    }
  }

  @media (max-width: 767px) {
    .step-content h3 {
      font-size: 1.1rem;
    }
    .step-content p {
      font-size: .88rem;
    }
    .faq-item summary {
      font-size: .9rem;
      padding: 1rem 1.1rem;
    }
    .faq-item .answer {
      padding: 0 1.1rem 1.1rem;
      font-size: .86rem;
    }
    .footer-section {
      padding-top: 3rem;
    }
    .footer-bottom .container {
      flex-direction: column;
      gap: .25rem;
    }
  }

  @media (min-width: 640px) {
    .step-card {
      margin-bottom: 0;
    }
  }