/* roulang page: index */
:root {
  --primary: #0B4F4A;
  --primary-deep: #093B37;
  --primary-soft: #E5EFED;
  --primary-soft-2: rgba(11, 79, 74, 0.08);
  --accent: #E8890C;
  --accent-hover: #C9750A;
  --accent-soft: #FDF0DE;
  --bg: #F6F4ED;
  --dark: #14201E;
  --card: #FFFFFF;
  --text: #33403D;
  --text-secondary: #5F6B68;
  --border: rgba(0, 0, 0, 0.08);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 16px;
  --radius-search: 999px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-pop: 0 12px 32px rgba(0, 0, 0, 0.12);
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", 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(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid rgba(232, 137, 12, 0.55);
  outline-offset: 2px;
}

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

input {
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  padding: 11px 26px;
  border-radius: var(--radius-btn);
  border: none;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(232, 137, 12, 0.28);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  transition: all 0.2s ease;
}

.btn-outline:hover {
  background: var(--primary-soft-2);
  transform: translateY(-1px);
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  padding: 13px 32px;
  border-radius: var(--radius-btn);
  border: none;
  box-shadow: 0 8px 24px rgba(232, 137, 12, 0.32);
  transition: all 0.2s ease;
}

.btn-hero:hover {
  background: #f09520;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(232, 137, 12, 0.38);
}

.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1.5px solid rgba(255, 255, 255, 0.75);
  color: #fff;
  background: transparent;
  font-weight: 600;
  font-size: 16px;
  padding: 12px 26px;
  border-radius: var(--radius-btn);
  transition: all 0.2s ease;
}

.btn-hero-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.logo .logo-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  font-size: 20px;
  font-weight: 900;
  flex-shrink: 0;
}

.topbar {
  background: #fbfaf5;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
}

.search-box {
  display: flex;
  align-items: center;
  background: #f3f1ea;
  border: 1.5px solid transparent;
  border-radius: var(--radius-search);
  padding: 0 10px 0 16px;
  height: 42px;
  transition: all 0.2s ease;
}

.search-box:focus-within {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(232, 137, 12, 0.15);
}

.search-box svg {
  flex-shrink: 0;
  color: var(--text-secondary);
}

.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0 10px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  min-width: 0;
}

.search-box input::placeholder {
  color: #9aa3a0;
}

.category-nav {
  background: var(--primary);
}

.category-nav .container {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 42px;
  overflow-x: auto;
  scrollbar-width: none;
}

.category-nav .container::-webkit-scrollbar {
  display: none;
}

.category-nav a {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  transition: all 0.2s ease;
}

.category-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.category-nav a.active {
  color: #fff;
  background: var(--accent);
  font-weight: 600;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
}

.hero-section {
  position: relative;
  background: linear-gradient(120deg, var(--dark) 0%, var(--primary-deep) 55%, rgba(11, 79, 74, 0.92) 100%), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}

.hero-section .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #f0e9d8;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-section h1 {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 18px;
}

.hero-section h1 .accent-text {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 14px;
}

.hero-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 30px;
}

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

.hero-image-wrap {
  position: relative;
}

.hero-image-wrap img {
  width: 100%;
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.hero-cert {
  position: absolute;
  top: -18px;
  right: 16px;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  line-height: 1.3;
  box-shadow: 0 6px 18px rgba(232, 137, 12, 0.45);
  border: 3px solid rgba(255, 255, 255, 0.35);
}

.section {
  padding: 76px 0;
}

.section-alt {
  background: #fff;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 28px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-title::before {
  content: "";
  flex-shrink: 0;
  width: 4px;
  align-self: stretch;
  background: var(--primary);
  border-radius: 2px;
}

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

.member-table-card {
  background: var(--card);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  max-width: 1000px;
  margin: 0 auto;
}

.member-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.member-table th {
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 18px 20px;
  text-align: center;
}

.member-table th:first-child {
  text-align: left;
  width: 30%;
}

.member-table th.recommended {
  background: var(--primary-deep);
  position: relative;
}

.member-table td {
  padding: 15px 20px;
  text-align: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-size: 14px;
  color: var(--text);
}

.member-table td:first-child {
  text-align: left;
  font-weight: 500;
}

.member-table td.recommended {
  background: rgba(232, 137, 12, 0.06);
  font-weight: 600;
}

.member-table tbody tr:last-child td {
  border-bottom: none;
}

.recommend-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(232, 137, 12, 0.4);
  white-space: nowrap;
}

.check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.minus-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #f0ede5;
  color: #a6a29a;
  font-size: 12px;
  font-weight: 700;
}

.table-cta {
  text-align: center;
  padding: 28px 20px 36px;
  background: #fff;
}

.level-steps {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.level-steps::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 10px;
  bottom: 10px;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(to top, var(--primary-soft), var(--primary));
}

.level-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 64px 1fr;
  align-items: center;
  gap: 0;
}

.level-row:nth-child(even) .level-card {
  grid-column: 1;
  grid-row: 1;
  text-align: right;
}

.level-row:nth-child(even) .level-card .level-list {
  direction: rtl;
}

.level-row:nth-child(even) .level-card .level-list li {
  direction: ltr;
}

.level-row:nth-child(even) .level-card .level-list li::before {
  margin-right: 0;
  margin-left: 8px;
}

.level-node {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 0 0 6px rgba(11, 79, 74, 0.12);
  z-index: 2;
}

.level-row:nth-child(2) .level-node {
  width: 54px;
  height: 54px;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(232, 137, 12, 0.15);
}

.level-row:nth-child(3) .level-node {
  width: 60px;
  height: 60px;
  background: var(--dark);
  box-shadow: 0 0 0 10px rgba(20, 32, 30, 0.12);
  font-size: 17px;
}

.level-card {
  grid-column: 3;
  grid-row: 1;
  background: var(--card);
  border-radius: var(--radius-card);
  padding: 26px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
}

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

.level-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.level-card .level-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

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

.level-list li {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: var(--text);
  padding: 5px 0;
}

.level-list li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--primary);
  font-weight: 800;
  flex-shrink: 0;
}

.level-row:nth-child(2) .level-list li::before {
  color: var(--accent);
}

.level-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.exclusive-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--primary-soft);
  border-radius: 14px;
  padding: 18px 24px;
  margin-bottom: 32px;
  border: 1px solid rgba(11, 79, 74, 0.1);
}

.exclusive-banner .lock-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: 12px;
  color: #fff;
}

.exclusive-banner p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

.exclusive-banner strong {
  color: var(--primary);
  font-size: 16px;
}

.exclusive-scroll {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.eco-card {
  position: relative;
  background: var(--card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease;
}

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

.eco-card .img-wrap {
  position: relative;
  height: 150px;
  overflow: hidden;
}

.eco-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eco-card .lock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 32, 30, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  backdrop-filter: blur(2px);
}

.eco-card .exclusive-tag {
  position: absolute;
  top: 12px;
  right: 0;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px 0 0 999px;
  box-shadow: 0 2px 8px rgba(232, 137, 12, 0.4);
}

.eco-card .eco-body {
  padding: 18px 18px 20px;
}

.eco-card .eco-body h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.45;
  margin-bottom: 8px;
}

.eco-card .eco-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.eco-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-secondary);
}

.eco-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
}

.eco-link:hover,
.news-link:hover {
  color: var(--accent);
}

.news-section-inner {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 36px;
}

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

.news-item {
  display: flex;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: all 0.2s ease;
}

.news-item:hover {
  padding-left: 6px;
}

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

.news-date {
  flex-shrink: 0;
  min-width: 56px;
  text-align: center;
  background: var(--primary-soft);
  border-radius: 8px;
  padding: 8px 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  align-self: flex-start;
}

.news-body {
  min-width: 0;
}

.news-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: 6px;
}

.news-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 4px;
  transition: color 0.2s ease;
}

.news-item:hover .news-body h3 {
  color: var(--primary);
}

.news-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hot-panel {
  background: var(--dark);
  border-radius: 14px;
  color: #fff;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.hot-panel img {
  border-radius: 10px;
  margin-bottom: 18px;
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.hot-panel h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.hot-panel p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.65;
  margin-bottom: 16px;
}

.hot-links {
  margin-top: auto;
}

.hot-links a {
  display: block;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  padding: 5px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.2s ease;
}

.hot-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.empty-state {
  background: #F0EDE5;
  border: 1.5px dashed rgba(0, 0, 0, 0.12);
  border-radius: 14px;
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
  font-size: 14px;
}

.empty-state svg {
  margin: 0 auto 10px;
  color: #b8b2a6;
}

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

.faq-item {
  background: var(--card);
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all 0.25s ease;
}

.faq-item.active {
  background: var(--primary-soft);
  border-color: rgba(11, 79, 74, 0.12);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  background: transparent;
  border: none;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  transition: color 0.2s ease;
}

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

.faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  transition: all 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer p {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.75;
}

.cta-section {
  position: relative;
  background: var(--dark) url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 84px 20px;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(20, 32, 30, 0.88);
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.cta-section .cta-sub {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}

.cta-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 60px 0 28px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer .logo {
  color: #fff;
  margin-bottom: 12px;
}

.footer .logo .logo-icon {
  background: var(--accent);
}

.footer-brand-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
  margin-top: 10px;
}

.footer h5 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-col ul li {
  padding: 4px 0;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  transition: all 0.2s ease;
}

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

.footer-contact p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 6px;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.8);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 1024px) {
  .hero-section .container {
    grid-template-columns: 1fr;
    padding-top: 56px;
    padding-bottom: 56px;
    gap: 32px;
  }
  .hero-image-wrap {
    max-width: 480px;
  }
  .exclusive-scroll {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 52px 0;
  }
  .section-title {
    font-size: 22px;
  }
  .hero-section h1 {
    font-size: 30px;
  }
  .topbar .container span:last-child {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .level-steps::before {
    left: 23px;
    transform: none;
  }
  .level-row {
    grid-template-columns: 48px 1fr;
    gap: 0;
  }
  .level-row::before {
    display: none;
  }
  .level-node {
    grid-column: 1;
    justify-self: start;
  }
  .level-card {
    grid-column: 2;
    grid-row: 1;
  }
  .level-row:nth-child(even) .level-card {
    grid-column: 2;
    text-align: left;
  }
  .level-row:nth-child(even) .level-card .level-list {
    direction: ltr;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
  .hero-section h1 {
    font-size: 26px;
  }
  .exclusive-scroll {
    grid-template-columns: 1fr;
  }
  .news-section-inner {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions .btn-hero,
  .hero-actions .btn-hero-outline {
    width: 100%;
  }
}

.menu-toggle svg {
  transition: all 0.3s ease;
}

.menu-toggle.active svg .line-2 {
  opacity: 0;
}

/* roulang page: category1 */
:root {
            --primary: #0B4F4A;
            --primary-light: rgba(11, 79, 74, 0.08);
            --primary-line: rgba(11, 79, 74, 0.18);
            --accent: #E8890C;
            --accent-hover: #C97A0A;
            --accent-light: rgba(232, 137, 12, 0.12);
            --bg: #F6F4ED;
            --dark: #14201E;
            --card: #FFFFFF;
            --text: #33403D;
            --text-muted: #5F6B68;
            --border: rgba(0, 0, 0, 0.08);
            --radius: 14px;
            --radius-btn: 8px;
            --radius-search: 999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.08);
            --container: 1200px;
            --section-gap: 88px;
            --section-gap-mobile: 52px;
        }

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

        html { scroll-behavior: smooth; }

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

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

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

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

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 顶部工具条 */
        .topbar {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            font-size: 13px;
            padding: 7px 0;
        }

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

        /* Logo */
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 2px 8px rgba(11, 79, 74, 0.28);
        }

        /* 搜索框 */
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #F2F0E9;
            border: 1px solid transparent;
            border-radius: var(--radius-search);
            padding: 10px 16px;
            transition: border-color .2s, box-shadow .2s, background .2s;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(232, 137, 12, 0.18);
        }

        .search-box svg { color: var(--text-muted); flex-shrink: 0; }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            width: 100%;
        }

        .search-box input::placeholder { color: #8A938F; }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background .2s, transform .2s, box-shadow .2s;
            box-shadow: 0 2px 8px rgba(232, 137, 12, 0.24);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 137, 12, 0.3);
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(232, 137, 12, 0.4);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--primary);
            cursor: pointer;
            transition: background .2s, border-color .2s, transform .2s;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-1px);
        }

        .btn-outline:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(11, 79, 74, 0.25);
        }

        /* 分类导航 */
        .category-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: relative;
            z-index: 40;
        }

        .category-nav .container {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            padding-top: 6px;
            padding-bottom: 6px;
            scrollbar-width: none;
        }

        .category-nav .container::-webkit-scrollbar { display: none; }

        .category-nav a {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text-muted);
            border-radius: 999px;
            transition: background .2s, color .2s;
            white-space: nowrap;
        }

        .category-nav a:hover { color: var(--primary); background: var(--primary-light); }

        .category-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(11, 79, 74, 0.22);
        }

        .menu-toggle {
            background: none;
            border: none;
            color: var(--primary);
            padding: 8px;
            border-radius: 8px;
            cursor: pointer;
            display: inline-flex;
        }

        .menu-toggle:focus-visible { outline: 2px solid var(--accent); }

        /* Hero */
        .cat-hero {
            position: relative;
            background:
                linear-gradient(rgba(11, 79, 74, 0.86), rgba(20, 32, 30, 0.92)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
            padding: 84px 0 60px;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 80px);
            pointer-events: none;
        }

        .cat-hero .container { position: relative; z-index: 2; max-width: 1100px; }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #FFE4B8;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .cat-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 1px;
            margin-bottom: 16px;
            color: #fff;
        }

        .cat-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.7;
        }

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

        .hero-actions .btn-primary {
            background: var(--accent);
            box-shadow: 0 4px 16px rgba(232, 137, 12, 0.4);
        }

        .hero-actions .btn-primary:hover { background: #d67e0a; }

        .hero-actions .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            transition: background .2s, border-color .2s;
        }

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

        /* Section */
        .section { padding: var(--section-gap) 0; }

        .section-alt { background: #fff; }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 44px;
        }

        .section-head .section-tag {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-head p { color: var(--text-muted); font-size: 15px; }

        .heading-left {
            text-align: left;
            margin-left: 0;
            margin-right: 0;
        }

        /* 图文交错 */
        .split-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .split-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: box-shadow .3s, transform .3s;
        }

        .split-image:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

        .split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .split-content h2 {
            font-size: 27px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.35;
            position: relative;
            padding-left: 16px;
        }

        .split-content h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 5px;
            bottom: 5px;
            width: 4px;
            background: var(--primary);
            border-radius: 4px;
        }

        .split-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15.5px;
        }

        .split-check-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .split-check-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--text);
        }

        .split-check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 1px;
            width: 20px;
            height: 20px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
        }

        .split-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14.5px;
            color: var(--primary);
            transition: color .2s, gap .2s;
        }

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

        /* 对比表 */
        .compare-wrap {
            max-width: 1000px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow-x: auto;
        }

        .compare-table { width: 100%; border-collapse: collapse; min-width: 720px; }

        .compare-table th {
            background: var(--primary);
            color: #fff;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 700;
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .compare-table th:first-child {
            text-align: left;
            min-width: 180px;
        }

        .compare-table th.recommend-col {
            background: var(--accent);
            position: relative;
        }

        .recommend-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 999px;
            margin-left: 6px;
            vertical-align: middle;
            letter-spacing: 0.5px;
        }

        .compare-table td {
            padding: 15px 20px;
            text-align: center;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
        }

        .compare-table td:first-child { text-align: left; font-weight: 600; color: var(--text); }

        .compare-table tr:last-child td { border-bottom: none; }

        .compare-table tr.recommend-row td { background: #FDF8F0; }

        .compare-table td .fa-check { color: var(--primary); font-size: 15px; }

        .compare-table td .fa-minus { color: #B0B6B3; font-size: 14px; }

        .compare-note {
            text-align: center;
            margin-top: 24px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .compare-note a { font-weight: 600; }

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

        .scenario-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 30px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid transparent;
            transition: box-shadow .3s, transform .3s, border-color .3s;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--primary-line);
        }

        .scenario-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
        }

        .scenario-card:nth-child(2) .scenario-icon { background: var(--accent-light); color: var(--accent); }

        .scenario-card:nth-child(3) .scenario-icon { background: var(--primary-light); color: var(--primary); }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.7;
        }

        .scenario-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            padding: 4px 12px;
        }

        /* 开通流程 */
        .flow-wrapper {
            max-width: 980px;
            margin: 0 auto;
        }

        .flow-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            position: relative;
            margin-bottom: 32px;
        }

        .flow-item:not(:last-child)::after {
            content: "";
            position: absolute;
            left: 24px;
            top: 56px;
            bottom: -30px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--primary-light), transparent);
        }

        .flow-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(11, 79, 74, 0.24);
            position: relative;
            z-index: 2;
        }

        .flow-item:nth-child(2) .flow-num { background: var(--accent); }

        .flow-item:nth-child(3) .flow-num { background: var(--primary); }

        .flow-item:nth-child(4) .flow-num { background: var(--dark); }

        .flow-text {
            background: #fff;
            border-radius: var(--radius);
            padding: 22px 26px;
            box-shadow: var(--shadow-sm);
            flex: 1;
            transition: box-shadow .3s, transform .3s;
        }

        .flow-text:hover { box-shadow: var(--shadow-hover); transform: translateX(3px); }

        .flow-text h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

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

        /* FAQ */
        .faq-wrapper { max-width: 760px; margin: 0 auto; }

        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: 14px;
            transition: box-shadow .3s;
            overflow: hidden;
        }

        .faq-item.active { box-shadow: var(--shadow-hover); }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 24px;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: background .2s;
        }

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

        .faq-question:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: var(--radius); }

        .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform .3s, background .3s, color .3s;
        }

        .faq-item.active .faq-icon { transform: rotate(45deg); background: var(--accent); color: #fff; }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 14.5px;
            line-height: 1.75;
        }

        .faq-answer-inner a { font-weight: 600; }

        /* CTA */
        .cta-section {
            background: linear-gradient(rgba(20, 32, 30, 0.94), rgba(20, 32, 30, 0.94)),
                        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 78px 0;
            text-align: center;
            color: #fff;
            position: relative;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 60px);
            pointer-events: none;
        }

        .cta-section .container { position: relative; z-index: 2; max-width: 760px; }

        .cta-section .cta-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            padding: 5px 16px;
            margin-bottom: 20px;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }

        .cta-section .btn-primary {
            background: var(--accent);
            font-size: 17px;
            padding: 15px 40px;
            box-shadow: 0 6px 24px rgba(232, 137, 12, 0.4);
        }

        .cta-section .btn-primary:hover { background: #d67e0a; }

        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 18px;
        }

        /* 页脚 */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding-top: 56px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 40px;
        }

        .footer-brand .logo { color: #fff; font-size: 20px; margin-bottom: 14px; }

        .footer-brand .logo-icon { background: var(--accent); box-shadow: none; }

        .footer-brand-desc {
            font-size: 13.5px;
            line-height: 1.65;
            margin-top: 12px;
            color: rgba(255, 255, 255, 0.55);
            max-width: 260px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.58);
            font-size: 13.5px;
            transition: color .2s, padding-left .2s;
        }

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

        .footer-contact p { color: rgba(255, 255, 255, 0.5); margin-bottom: 8px; font-size: 13px; }

        .footer-contact a { color: rgba(255, 255, 255, 0.7); }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 移动端菜单展开 */
        #mobileMenu { display: none; }

        #mobileMenu.open { display: block; }

        @media (min-width: 1024px) {
            #mobileMenu { display: block !important; }
        }

        @media (max-width: 1023px) {
            .topbar .container span:last-child { display: none; }

            .split-row { grid-template-columns: 1fr; gap: 36px; }

            .split-row.reverse .split-image { order: 2; }

            .split-row.reverse .split-content { order: 1; }

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

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

            .cat-hero h1 { font-size: 30px; }

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

        @media (max-width: 640px) {
            .container { padding-left: 16px; padding-right: 16px; }

            .topbar { font-size: 12px; padding: 5px 0; }

            .cat-hero { padding: 50px 0 42px; }

            .cat-hero h1 { font-size: 26px; line-height: 1.35; }

            .cat-hero p { font-size: 15px; }

            .hero-actions { flex-direction: column; align-items: stretch; }

            .hero-actions .btn-primary, .hero-actions .btn-hero-outline { justify-content: center; }

            .section-head h2 { font-size: 23px; }

            .split-content h2 { font-size: 21px; }

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

            .flow-item { gap: 16px; }

            .flow-num { width: 42px; height: 42px; font-size: 16px; }

            .flow-item:not(:last-child)::after { left: 20px; top: 48px; }

            .flow-text { padding: 18px 18px; }

            .compare-table th, .compare-table td { padding: 12px 14px; font-size: 13px; }

            .compare-table th:first-child { min-width: 120px; }

            .footer-grid { grid-template-columns: 1fr; gap: 24px; }

            .cta-section h2 { font-size: 25px; }

            .cta-section { padding: 54px 0; }
        }

/* roulang page: article */
:root {
  --primary: #0B4F4A;
  --primary-dark: #083D38;
  --primary-light: #E8F1EF;
  --accent: #E8890C;
  --accent-hover: #D67A08;
  --accent-light: #FDF0DD;
  --bg: #F6F4ED;
  --dark: #14201E;
  --card: #FFFFFF;
  --text: #33403D;
  --text-light: #5F6B68;
  --text-lighter: #8A9592;
  --border: rgba(0,0,0,0.08);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 16px;
  --radius-search: 999px;
  --shadow-card: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-pop: 0 12px 32px rgba(0,0,0,0.12);
  --container: 1200px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

input {
  font-family: inherit;
  font-size: 16px;
}

:focus-visible {
  outline: 3px solid rgba(232, 137, 12, 0.4);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 顶部工具条 ===== */
.topbar {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  padding: 8px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ===== Logo ===== */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.logo:hover {
  color: var(--primary);
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
  font-size: 20px;
  flex-shrink: 0;
}

/* ===== 搜索框 ===== */
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-search);
  padding: 10px 16px;
  transition: var(--transition);
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 137, 12, 0.15);
}
.search-box svg {
  color: var(--text-light);
  flex-shrink: 0;
}
.search-box input {
  border: none;
  outline: none;
  background: transparent;
  width: 100%;
  font-size: 14px;
  color: var(--text);
}
.search-box input::placeholder {
  color: var(--text-lighter);
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(232, 137, 12, 0.3);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-lg {
  padding: 15px 36px;
  font-size: 17px;
}

/* ===== 菜单按钮 ===== */
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--primary);
  transition: var(--transition);
}
.menu-toggle:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* ===== 分类导航 ===== */
.category-nav {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.category-nav .container {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.category-nav .container::-webkit-scrollbar {
  display: none;
}
.category-nav a {
  display: inline-flex;
  align-items: center;
  padding: 14px 20px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}
.category-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.category-nav a.active {
  color: #fff;
  border-bottom-color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
}

/* ===== 面包屑 ===== */
.breadcrumb-area {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
}
.breadcrumb a {
  color: var(--primary);
  font-weight: 500;
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb .sep {
  color: var(--text-lighter);
}
.breadcrumb .current {
  color: var(--text-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 320px;
}

/* ===== 文章主体 ===== */
.article-main {
  padding: 48px 0 72px;
}
.article-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.article-header {
  text-align: center;
  margin-bottom: 32px;
}
.article-header h1 {
  font-size: 36px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.4;
  margin-bottom: 18px;
  word-break: break-word;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 24px;
  color: var(--text-light);
  font-size: 14px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item .label {
  color: var(--text-lighter);
}
.view-count {
  color: var(--accent);
  font-weight: 600;
}

/* ===== 正文排版 ===== */
.article-body {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 40px 48px;
}
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin: 40px 0 16px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
  line-height: 1.4;
}
.article-body h2:first-child {
  margin-top: 0;
}
.article-body h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  margin: 28px 0 12px;
  line-height: 1.4;
}
.article-body h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 20px 0 10px;
}
.article-body p {
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 1.5em;
  color: var(--text);
}
.article-body p:last-child {
  margin-bottom: 0;
}
.article-body a {
  color: var(--primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover {
  color: var(--accent);
}
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-light);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 8px 8px 0;
  color: var(--text);
}
.article-body blockquote p {
  margin-bottom: 0;
}
.article-body ul,
.article-body ol {
  margin: 16px 0 24px;
  padding-left: 24px;
}
.article-body li {
  margin-bottom: 8px;
  line-height: 1.75;
}
.article-body li::marker {
  color: var(--primary);
}
.article-body img {
  border-radius: var(--radius-card);
  margin: 24px auto;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}
.article-body th {
  background: var(--primary);
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}
.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.article-body tr:hover td {
  background: var(--primary-light);
}

/* ===== 内容未找到 ===== */
.article-not-found {
  max-width: 620px;
  margin: 40px auto 0;
  text-align: center;
  padding: 60px 40px;
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}
.not-found-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.article-not-found h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.article-not-found p {
  color: var(--text-light);
  margin-bottom: 28px;
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 72px 0;
  background: #fff;
  border-top: 1px solid var(--border);
}
.section-head {
  text-align: center;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--dark);
  position: relative;
  display: inline-block;
}
.section-head h2::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -10px;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.section-head p {
  color: var(--text-light);
  margin-top: 20px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.related-card {
  background: var(--bg);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: block;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  color: inherit;
}
.related-thumb {
  position: relative;
  overflow: hidden;
}
.related-thumb img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-thumb img {
  transform: scale(1.03);
}
.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-tag);
}
.related-info {
  padding: 20px 22px 22px;
}
.related-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.4;
}
.related-info p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 14px;
}
.related-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.related-card:hover .related-more {
  color: var(--accent);
}

/* ===== CTA ===== */
.cta-section {
  background: var(--dark);
  background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  padding: 80px 0;
  text-align: center;
}
.cta-section h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.4;
}
.cta-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: var(--radius-tag);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
  font-size: 14px;
}
.footer .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer .logo-icon {
  background: var(--accent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand-desc {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 320px;
}
.footer-col h5 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col a {
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-contact p {
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.55);
}
.footer-contact a {
  color: rgba(255, 255, 255, 0.75);
}
.footer-contact a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .category-nav {
    display: none;
  }
  .category-nav.open {
    display: block;
  }
  .category-nav .container {
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px;
    overflow: visible;
  }
  .category-nav a {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 3px solid transparent;
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }
  .category-nav a.active {
    border-left-color: var(--accent);
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .topbar .container span:last-child {
    display: none;
  }
  .article-main {
    padding: 32px 0 56px;
  }
  .article-header h1 {
    font-size: 28px;
  }
  .article-meta {
    gap: 10px 16px;
    font-size: 13px;
  }
  .article-body {
    padding: 24px 20px;
  }
  .related-section {
    padding: 56px 0;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .cta-section {
    padding: 56px 0;
  }
  .cta-section h2 {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer {
    padding-top: 48px;
  }
  .breadcrumb .current {
    max-width: 200px;
  }
}

@media (max-width: 520px) {
  .article-header h1 {
    font-size: 24px;
  }
  .article-body {
    padding: 20px 16px;
  }
  .related-thumb img {
    height: 200px;
  }
  .article-not-found {
    padding: 40px 20px;
  }
  .btn-lg {
    padding: 14px 28px;
    font-size: 16px;
  }
}

/* roulang page: category2 */
:root {
      --color-primary: #0B4F4A;
      --color-primary-dark: #083D39;
      --color-accent: #E8890C;
      --color-accent-dark: #C97407;
      --color-bg: #F6F4ED;
      --color-dark: #14201E;
      --color-card: #FFFFFF;
      --color-text: #33403D;
      --color-text-secondary: #5F6B68;
      --color-border: rgba(0, 0, 0, 0.08);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-search: 999px;
      --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
      --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
      --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    }

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

    html { scroll-behavior: smooth; }

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

    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
    button { font-family: inherit; }
    input, textarea { font-family: inherit; }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    @media (max-width: 640px) {
      .container { padding: 0 16px; }
      body { font-size: 15px; }
    }

    /* ===== 导航 ===== */
    .topbar {
      background: var(--color-primary);
      color: rgba(255, 255, 255, 0.85);
      font-size: 13px;
      padding: 8px 0;
    }
    .topbar .container { display: flex; justify-content: space-between; align-items: center; }
    @media (max-width: 768px) {
      .topbar .container span:last-child { display: none; }
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--color-primary);
      text-decoration: none;
      line-height: 1.2;
    }
    .logo-icon {
      width: 38px;
      height: 38px;
      background: var(--color-primary);
      color: #fff;
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 18px;
      flex-shrink: 0;
    }

    .search-box {
      display: flex;
      align-items: center;
      gap: 8px;
      background: var(--color-bg);
      border: 1px solid transparent;
      border-radius: var(--radius-search);
      padding: 9px 16px;
      transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
    }
    .search-box:focus-within {
      border-color: var(--color-accent);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(232, 137, 12, 0.15);
    }
    .search-box svg { color: var(--color-text-secondary); flex-shrink: 0; }
    .search-box input {
      flex: 1;
      min-width: 0;
      border: none;
      outline: none;
      background: transparent;
      font-size: 14px;
      color: var(--color-text);
    }
    .search-box input::placeholder { color: #9AA6A3; }

    .category-nav {
      background: var(--color-dark);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      display: none;
    }
    .category-nav.open { display: block; }
    .category-nav .container {
      display: flex;
      gap: 6px;
      overflow-x: auto;
      padding-top: 10px;
      padding-bottom: 10px;
      scrollbar-width: none;
    }
    .category-nav .container::-webkit-scrollbar { display: none; }
    .category-nav a {
      color: rgba(255, 255, 255, 0.72);
      padding: 7px 16px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 500;
      white-space: nowrap;
      transition: background 0.2s, color 0.2s;
    }
    .category-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
    .category-nav a.active { background: var(--color-accent); color: #fff; font-weight: 600; }

    @media (min-width: 1024px) {
      .category-nav { display: block; }
    }
    @media (max-width: 1023px) {
      .category-nav.open .container { flex-direction: column; align-items: stretch; overflow-x: visible; }
      .category-nav.open a { white-space: normal; text-align: center; }
    }

    /* ===== 按钮 ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--color-accent);
      color: #fff;
      border-radius: var(--radius-btn);
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      line-height: 1.2;
      border: none;
      cursor: pointer;
      transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    }
    .btn-primary:hover {
      background: var(--color-accent-dark);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 4px 14px rgba(232, 137, 12, 0.28);
    }
    .btn-primary:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

    .btn-outline-light {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      color: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(255, 255, 255, 0.4);
      border-radius: var(--radius-btn);
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 500;
      transition: background 0.2s, border-color 0.2s;
    }
    .btn-outline-light:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; color: #fff; }
    .btn-outline-light:focus-visible { outline: 2px solid rgba(255, 255, 255, 0.7); outline-offset: 2px; }

    .btn-lg { padding: 14px 44px; font-size: 16px; }

    /* ===== Hero ===== */
    .page-hero {
      position: relative;
      background-size: cover;
      background-position: center;
      padding: 104px 0;
    }
    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(20, 32, 30, 0.94) 30%, rgba(11, 79, 74, 0.78) 100%);
    }
    .page-hero .container { position: relative; z-index: 2; max-width: 1200px; }
    .hero-kicker {
      display: inline-block;
      background: rgba(232, 137, 12, 0.16);
      color: #f5a93d;
      border: 1px solid rgba(232, 137, 12, 0.35);
      padding: 4px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 18px;
      letter-spacing: 0.02em;
    }
    .page-hero h1 {
      color: #fff;
      font-size: 38px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 14px;
      letter-spacing: -0.01em;
    }
    .page-hero p {
      color: rgba(255, 255, 255, 0.82);
      font-size: 16px;
      max-width: 560px;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

    @media (max-width: 768px) {
      .page-hero { padding: 64px 0; }
      .page-hero h1 { font-size: 28px; }
    }

    /* ===== 通用板块 ===== */
    .section { padding: 80px 0; }
    .section-head { max-width: 680px; margin-bottom: 42px; }
    .section-head h2 {
      font-size: 28px;
      font-weight: 700;
      color: var(--color-text);
      position: relative;
      padding-left: 16px;
      line-height: 1.3;
    }
    .section-head h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 4px;
      border-radius: 2px;
      background: var(--color-primary);
    }
    .section-head p { color: var(--color-text-secondary); margin-top: 12px; line-height: 1.7; font-size: 15px; }

    @media (max-width: 768px) {
      .section { padding: 52px 0; }
      .section-head h2 { font-size: 23px; }
    }

    /* ===== 列表式信息布局 ===== */
    .list-layout { display: flex; flex-direction: column; gap: 20px; max-width: 980px; margin: 0 auto; }
    .list-item {
      display: flex;
      align-items: center;
      gap: 24px;
      background: var(--color-card);
      padding: 24px;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--color-border);
      transition: box-shadow 0.25s, transform 0.25s;
    }
    .list-item:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
    .list-num {
      font-size: 34px;
      font-weight: 800;
      color: rgba(11, 79, 74, 0.18);
      min-width: 58px;
      line-height: 1;
    }
    .list-content { flex: 1; min-width: 0; }
    .list-content h3 { font-size: 20px; font-weight: 700; color: var(--color-text); margin-bottom: 6px; }
    .list-content p { color: var(--color-text-secondary); font-size: 15px; line-height: 1.7; margin-bottom: 10px; }
    .list-link {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 600;
      text-decoration: underline;
      text-underline-offset: 3px;
      transition: color 0.2s;
    }
    .list-link:hover { color: var(--color-accent); }
    .list-cover { width: 250px; flex-shrink: 0; }
    .list-cover img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 10px; }

    @media (max-width: 768px) {
      .list-item { flex-direction: column; align-items: stretch; padding: 20px; }
      .list-num { font-size: 28px; }
      .list-cover { width: 100%; }
    }

    /* ===== 数据块（深色） ===== */
    .section-dark { background: var(--color-dark); }
    .section-dark .section-head h2 { color: #fff; }
    .section-dark .section-head h2::before { background: var(--color-accent); }
    .section-dark .section-head p { color: rgba(255, 255, 255, 0.65); }

    .data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .data-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-card);
      padding: 32px 20px;
      text-align: center;
      transition: background 0.25s, transform 0.25s;
    }
    .data-card:hover { background: rgba(255, 255, 255, 0.09); transform: translateY(-2px); }
    .data-card strong { display: block; font-size: 36px; font-weight: 800; color: var(--color-accent); margin-bottom: 6px; line-height: 1.2; }
    .data-card span { color: rgba(255, 255, 255, 0.72); font-size: 14px; }

    @media (max-width: 768px) {
      .data-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    }
    @media (max-width: 520px) {
      .data-grid { grid-template-columns: 1fr; }
    }

    /* ===== 流程时间线 ===== */
    .process-wrap { max-width: 800px; margin: 0 auto; }
    .process-timeline { position: relative; padding-left: 40px; }
    .process-timeline::before {
      content: '';
      position: absolute;
      left: 18px;
      top: 12px;
      bottom: 12px;
      width: 2px;
      background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
    }
    .process-item { position: relative; padding: 20px 0; }
    .process-num {
      position: absolute;
      left: -40px;
      top: 24px;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--color-primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      z-index: 1;
      box-shadow: 0 0 0 4px var(--color-bg);
    }
    .process-item:nth-child(even) .process-num { background: var(--color-accent); }
    .process-item h3 { font-size: 20px; font-weight: 700; color: var(--color-text); margin-bottom: 4px; }
    .process-item p { color: var(--color-text-secondary); font-size: 15px; line-height: 1.7; }

    /* ===== FAQ ===== */
    .faq-wrap { max-width: 760px; margin: 0 auto; }
    .faq-item {
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: 10px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: box-shadow 0.25s, border-color 0.25s;
    }
    .faq-item.open { border-color: rgba(11, 79, 74, 0.2); box-shadow: var(--shadow-card); }
    .faq-question {
      width: 100%;
      background: none;
      border: none;
      padding: 18px 22px;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      text-align: left;
      transition: background 0.2s;
    }
    .faq-question:hover { background: rgba(11, 79, 74, 0.04); }
    .faq-question:focus-visible { outline: 2px solid var(--color-accent); outline-offset: -2px; }
    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--color-bg);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 500;
      color: var(--color-text-secondary);
      flex-shrink: 0;
      transition: transform 0.3s, background 0.3s, color 0.3s;
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--color-primary); color: #fff; }
    .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
    .faq-answer p { padding: 0 22px 20px; color: var(--color-text-secondary); line-height: 1.75; font-size: 15px; }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--color-dark);
      padding: 80px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
      background-size: 40px 40px;
    }
    .cta-section .container { position: relative; z-index: 1; }
    .cta-section h2 { color: #fff; font-size: 32px; font-weight: 800; line-height: 1.3; }
    .cta-section p { color: rgba(255, 255, 255, 0.72); margin: 14px auto 30px; max-width: 520px; line-height: 1.7; font-size: 15px; }
    .cta-badge {
      display: inline-block;
      background: rgba(232, 137, 12, 0.18);
      color: #f5a93d;
      font-size: 13px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 16px;
    }
    @media (max-width: 768px) {
      .cta-section { padding: 56px 0; }
      .cta-section h2 { font-size: 24px; }
    }

    /* ===== 页脚 ===== */
    .footer { background: var(--color-dark); color: rgba(255, 255, 255, 0.7); padding: 64px 0 0; }
    .footer .logo { color: #fff; }
    .footer .logo-icon { background: var(--color-accent); }
    .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
    .footer-brand-desc { font-size: 14px; line-height: 1.7; margin-top: 14px; color: rgba(255, 255, 255, 0.55); max-width: 340px; }
    .footer-col h5 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul a { color: rgba(255, 255, 255, 0.62); font-size: 14px; text-decoration: none; transition: color 0.2s; }
    .footer-col ul a:hover { color: var(--color-accent); }
    .footer-contact p { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.6); }
    .footer-contact a { color: rgba(255, 255, 255, 0.62); }
    .footer-contact a:hover { color: var(--color-accent); }
    .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.4); }

    @media (max-width: 900px) {
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    }
    @media (max-width: 520px) {
      .footer-grid { grid-template-columns: 1fr; }
      .footer { padding-top: 44px; }
    }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0B4F4A;
            --primary-dark: #083D39;
            --primary-light: rgba(11, 79, 74, 0.08);
            --accent: #E8890C;
            --accent-dark: #C8760A;
            --bg: #F6F4ED;
            --dark: #14201E;
            --card: #FFFFFF;
            --text: #33403D;
            --text-muted: #5F6B68;
            --border: rgba(0, 0, 0, 0.08);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 16px;
            --radius-search: 999px;
            --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-pop: 0 12px 32px rgba(0, 0, 0, 0.12);
            --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

        /* ===== Resets 与基础 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            transition: color .2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5 {
            line-height: 1.3;
            color: var(--dark);
            font-weight: 700;
        }
        h1 {
            font-size: 38px;
            letter-spacing: .01em;
        }
        h2 {
            font-size: 26px;
        }
        h3 {
            font-size: 19px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header 导航系统 ===== */
        .topbar {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.82);
            font-size: 13px;
            padding: 6px 0;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .topbar .container span {
            opacity: .9;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--dark);
            font-weight: 800;
            font-size: 22px;
            letter-spacing: .01em;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            font-style: italic;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(11, 79, 74, 0.25);
        }
        .logo:hover {
            color: var(--primary);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            box-shadow: 0 2px 6px rgba(232, 137, 12, 0.2);
            transition: all .2s ease;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(232, 137, 12, 0.3);
            color: #fff;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 9px 22px;
            border-radius: var(--radius-btn);
            background: transparent;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1.5px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-search);
            padding: 0 16px;
            height: 42px;
            transition: all .2s ease;
            color: var(--text-muted);
        }
        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(232, 137, 12, 0.14);
            background: #fff;
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            width: 100%;
            font-size: 14px;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: #8D958F;
        }

        .category-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
            position: relative;
            z-index: 20;
        }
        .category-nav .container {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .category-nav .container::-webkit-scrollbar {
            display: none;
        }
        .category-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 12px 18px;
            white-space: nowrap;
            border-bottom: 2.5px solid transparent;
            transition: all .2s ease;
        }
        .category-nav a:hover {
            color: var(--primary);
        }
        .category-nav a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }

        .menu-toggle {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--bg);
            color: var(--dark);
        }
        .menu-toggle:hover {
            background: var(--primary-light);
        }

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

        /* ===== 分类 Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            color: #fff;
        }
        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(92deg, rgba(11, 79, 74, 0.92) 0%, rgba(11, 79, 74, 0.78) 50%, rgba(20, 32, 30, 0.66) 100%);
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
            padding-top: 72px;
            padding-bottom: 72px;
            max-width: 760px;
        }
        .cat-hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 5px 16px;
            border-radius: var(--radius-tag);
            margin-bottom: 18px;
        }
        .cat-hero-content h1 {
            color: #fff;
            font-size: 40px;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .cat-hero-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 26px;
        }
        .cat-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .cat-hero-actions .btn-primary {
            font-size: 15px;
        }
        .cat-hero-link {
            color: rgba(255, 255, 255, 0.92);
            font-size: 15px;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            padding-bottom: 2px;
            transition: all .2s;
        }
        .cat-hero-link:hover {
            color: var(--accent);
            border-color: var(--accent);
        }

        /* ===== 锚点导航 ===== */
        .anchor-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 40;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .anchor-nav .container {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .anchor-nav .container::-webkit-scrollbar {
            display: none;
        }
        .anchor-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 12px 16px;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: all .2s;
        }
        .anchor-nav a:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        /* ===== 问答式 Q&A 区块 ===== */
        .qa-section {
            padding: 72px 0;
        }
        .qa-section + .qa-section {
            padding-top: 0;
        }
        .qa-section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .qa-header {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 40px;
        }
        .qa-index {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            box-shadow: 0 4px 10px rgba(11, 79, 74, 0.12);
        }
        .qa-header h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
        }
        .qa-header h2::before {
            content: "";
            display: inline-block;
            width: 4px;
            height: 22px;
            background: var(--accent);
            border-radius: 2px;
            margin-right: 12px;
            vertical-align: -3px;
        }
        .qa-summary {
            margin-top: 6px;
            font-size: 16px;
            color: var(--text-muted);
            max-width: 780px;
            line-height: 1.75;
        }

        /* 活动板卡片 */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .activity-card {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 26px 22px;
            transition: all .25s ease;
        }
        .activity-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(11, 79, 74, 0.16);
        }
        .activity-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .activity-card:nth-child(2) .activity-icon {
            background: rgba(232, 137, 12, 0.14);
            color: var(--accent-dark);
        }
        .activity-card:nth-child(3) .activity-icon {
            background: rgba(11, 79, 74, 0.12);
            color: var(--primary);
        }
        .activity-card:nth-child(4) .activity-icon {
            background: rgba(232, 137, 12, 0.12);
            color: var(--accent-dark);
        }
        .activity-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .activity-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 报名流程 */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 10px;
        }
        .step-item {
            position: relative;
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 30px 22px 24px;
            text-align: center;
            transition: all .25s;
        }
        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 17px;
            font-weight: 800;
            color: #fff;
            background: var(--primary);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .step-item:nth-child(2) .step-num {
            background: var(--accent);
        }
        .step-item:nth-child(3) .step-num {
            background: var(--primary);
        }
        .step-item:nth-child(4) .step-num {
            background: var(--accent);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 参与条件 */
        .rules-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .rule-row {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 20px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        }
        .rule-row:last-child {
            border-bottom: none;
        }
        .rule-check {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(11, 79, 74, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
            font-weight: 800;
            margin-top: 3px;
        }
        .rule-row h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }
        .rule-row p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 结果与奖励 */
        .result-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
        }
        .result-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .result-img img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .result-content {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 30px;
        }
        .result-content h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--dark);
            position: relative;
            padding-left: 14px;
        }
        .result-content h3::before {
            content: "";
            position: absolute;
            left: 0;
            top: 2px;
            width: 4px;
            height: 18px;
            border-radius: 2px;
            background: var(--accent);
        }
        .result-content p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all .25s ease;
        }
        .faq-item.open {
            border-color: rgba(11, 79, 74, 0.22);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            text-align: left;
            transition: background .2s;
        }
        .faq-question:hover {
            background: var(--primary-light);
        }
        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            font-weight: 400;
            flex-shrink: 0;
            transition: transform .3s ease, background .3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
            padding-top: 4px;
        }
        .faq-answer p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            border-left: 3px solid var(--accent);
            padding-left: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
            background-size: 22px 22px;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section .container {
            max-width: 700px;
        }
        .cta-section h2 {
            font-size: 32px;
            color: #fff;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .cta-section .btn-primary {
            font-size: 16px;
            padding: 14px 38px;
        }
        .cta-badge {
            display: inline-block;
            background: rgba(232, 137, 12, 0.2);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-tag);
            padding: 4px 14px;
            margin-bottom: 14px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 13.5px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 12px;
            max-width: 300px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col a,
        .footer-col p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13.5px;
            line-height: 1.7;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-contact a {
            color: rgba(255, 255, 255, 0.75);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.42);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            h1 {
                font-size: 30px;
            }
            .cat-hero {
                min-height: 320px;
            }
            .cat-hero-content {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .cat-hero-content h1 {
                font-size: 28px;
            }
            .qa-section {
                padding: 56px 0;
            }
            .qa-header h2 {
                font-size: 22px;
            }
            .qa-header h2::before {
                height: 18px;
                margin-right: 8px;
            }
            .result-grid {
                grid-template-columns: 1fr;
            }
            .result-img img {
                height: 220px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 520px) {
            .activity-grid,
            .steps-wrap {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .topbar .container {
                flex-direction: column;
                gap: 2px;
                padding-top: 4px;
                padding-bottom: 4px;
            }
            .cat-hero-content h1 {
                font-size: 24px;
            }
            .btn-primary {
                padding: 9px 18px;
                font-size: 14px;
            }
        }