/* roulang page: index */
:root {
  --primary: #2E6BE6;
  --primary-hover: #1E56C4;
  --primary-light: #E8F0FE;
  --amber: #F5A623;
  --bg-white: #FFFFFF;
  --bg-light: #F6F9FC;
  --text-dark: #1A2B3C;
  --text-body: #2C3E50;
  --text-secondary: #5A6B7C;
  --text-muted: #8A9BAA;
  --border: rgba(30, 60, 120, 0.08);
  --border-solid: #E2E8F0;
  --success: #10B981;
  --error: #EF4444;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-card: 0 2px 12px rgba(30, 60, 120, 0.06);
  --shadow-hover: 0 8px 30px rgba(30, 60, 120, 0.12);
  --space-section: 100px;
  --container-max: 1200px;
  --font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  background: var(--bg-white);
  letter-spacing: 0.2px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

ul {
  list-style: none;
}

button {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font-family: var(--font-family);
  outline: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-alt {
  background: var(--bg-light);
}

.text-center {
  text-align: center;
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid #E8ECF2;
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(30, 60, 120, 0.08);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.3px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}

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

.nav-links a.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  white-space: nowrap;
}

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

.nav-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: #fff;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(30, 60, 120, 0.1);
  flex-direction: column;
  gap: 16px;
  z-index: 99;
  border-bottom: 1px solid var(--border);
}

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

.mobile-menu a {
  font-size: 16px;
  color: var(--text-body);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--primary-light);
  color: var(--primary);
}

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background: #fff;
  overflow: hidden;
  padding: 80px 0;
  background-image: 
    linear-gradient(rgba(46, 107, 230, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 107, 230, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-content h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-dark);
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.hero-content h1 span {
  color: var(--primary);
  position: relative;
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 107, 230, 0.25);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  background: #fff;
  color: var(--primary);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.hero-trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-secondary);
}

.trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--success);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  aspect-ratio: 4/3;
  object-fit: cover;
}

.hero-float-card {
  position: absolute;
  bottom: 20px;
  left: -20px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-float-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.hero-float-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== 指标看板 ===== */
.stats-section {
  background: var(--bg-light);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 20px 16px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: rgba(30, 60, 120, 0.1);
}

.stat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  margin-bottom: 4px;
}

.stat-num .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--amber);
  border-radius: 50%;
  margin-left: 4px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== 服务矩阵 ===== */
.services-section {
  padding: var(--space-section) 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.services-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.services-row.two-cols {
  grid-template-columns: 1fr 1fr;
}

.services-row.three-cols {
  grid-template-columns: repeat(3, 1fr);
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all 0.35s ease;
  position: relative;
  box-shadow: var(--shadow-card);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(46, 107, 230, 0.2);
}

.service-card.featured {
  border-top: 3px solid var(--primary);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
  line-height: 1.4;
}

.service-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

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

.text-link .arrow {
  transition: transform 0.3s ease;
}

.text-link:hover .arrow {
  transform: translateX(3px);
}

.service-wide {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-card);
  transition: all 0.35s ease;
}

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

.service-wide .service-icon {
  flex-shrink: 0;
  margin-bottom: 0;
  width: 56px;
  height: 56px;
}

.service-wide-content {
  flex: 1;
}

.service-wide-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.service-wide-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== 结果对比 ===== */
.compare-section {
  background: var(--bg-light);
  padding: var(--space-section) 0;
}

.compare-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.compare-col {
  border-radius: var(--radius-lg);
  padding: 36px;
}

.compare-col.old-way {
  background: #fff;
  border: 1px solid var(--border);
}

.compare-col.new-way {
  background: var(--primary-light);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(46, 107, 230, 0.15);
  position: relative;
}

.compare-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--amber);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: 999px;
}

.compare-col h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.compare-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
}

.compare-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
}

.compare-col .btn-primary,
.compare-col .btn-secondary {
  width: 100%;
}

/* ===== 平台动态 ===== */
.updates-section {
  padding: var(--space-section) 0;
}

.updates-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.updates-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
}

.view-all {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

.view-all:hover {
  text-decoration: underline;
}

.update-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.update-card {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}

.update-card:last-child {
  border-bottom: none;
}

.update-card:hover {
  background: rgba(46, 107, 230, 0.02);
}

.update-thumb {
  width: 160px;
  height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--primary-light);
}

.update-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.update-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.update-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.update-cat {
  font-size: 12px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 500;
}

.update-time {
  font-size: 13px;
  color: var(--text-muted);
}

.update-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
  line-height: 1.5;
}

.update-title a {
  color: inherit;
}

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

.update-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}

.update-more {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
}

.update-more:hover {
  text-decoration: underline;
}

.empty-list {
  border: 2px dashed #C0D0E0;
  border-radius: var(--radius-md);
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
}

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

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

.faq-item {
  background: #fff;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease;
  overflow: hidden;
}

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

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
  text-align: left;
  background: #fff;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  line-height: 1.4;
  gap: 16px;
}

.faq-question:hover {
  background: #f8fafc;
}

.faq-icon {
  width: 24px;
  height: 24px;
  position: relative;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

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

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-secondary);
  border-top: 1px solid rgba(30, 60, 120, 0.05);
}

/* ===== 转化表单 ===== */
.cta-section {
  padding: var(--space-section) 0;
}

.cta-wrapper {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.cta-wrapper::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.94);
  border-radius: var(--radius-lg);
}

.cta-left,
.cta-right {
  position: relative;
  z-index: 1;
}

.cta-left h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-left p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 24px;
  line-height: 1.8;
}

.trust-points {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.trust-point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-body);
}

.trust-point svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
}

.cta-form {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 32px;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border-solid);
  border-radius: var(--radius-sm);
  padding: 0 16px;
  font-size: 15px;
  color: var(--text-dark);
  transition: all 0.3s ease;
  background: #fff;
}

.form-group textarea {
  height: 120px;
  padding: 12px 16px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46, 107, 230, 0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--error);
}

.form-error {
  display: none;
  font-size: 14px;
  color: var(--error);
  margin-top: 6px;
}

.form-group input.error + .form-error,
.form-group textarea.error + .form-error {
  display: block;
}

.form-submit {
  width: 100%;
}

.form-privacy {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 200px;
}

.footer-column h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.footer-column a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: all 0.2s ease;
}

.footer-column a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero .container {
    gap: 40px;
  }

  .hero-content h1 {
    font-size: 36px;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

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

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

@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }

  .container {
    padding: 0 16px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 60px 0;
  }

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

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

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-secondary {
    width: 100%;
  }

  .hero-float-card {
    display: none;
  }

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

  .services-row.two-cols,
  .services-row.three-cols {
    grid-template-columns: 1fr;
  }

  .service-wide {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }

  .service-wide .service-icon {
    margin-bottom: 0;
  }

  .compare-container {
    grid-template-columns: 1fr;
  }

  .update-card {
    flex-direction: column;
    gap: 16px;
  }

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

  .cta-wrapper {
    grid-template-columns: 1fr;
    padding: 32px;
    gap: 32px;
  }

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

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

@media (max-width: 520px) {
  .hero-content h1 {
    font-size: 26px;
  }

  .section-header h2,
  .updates-header h2 {
    font-size: 24px;
  }

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

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

  .cta-form {
    padding: 24px;
  }

  .service-card {
    padding: 24px;
  }
}

/* roulang page: category1 */
:root{
  --primary:#2E6BE6;
  --primary-dark:#1E56C4;
  --primary-light:#E8F0FE;
  --accent:#F5A623;
  --bg-white:#FFFFFF;
  --bg-light:#F6F9FC;
  --text:#1A2B3C;
  --text-secondary:#5A6B7C;
  --text-muted:#8A9BAA;
  --border:rgba(30,60,120,0.08);
  --border-light:rgba(30,60,120,0.06);
  --success:#10B981;
  --error:#EF4444;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-sm:0 2px 12px rgba(30,60,120,0.06);
  --shadow-hover:0 8px 30px rgba(30,60,120,0.12);
  --container:1200px;
  --section-space:100px;
  --section-space-sm:64px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-white);
  -webkit-font-smoothing:antialiased;
  letter-spacing:0.2px;
}
a{color:var(--primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--primary-dark);}
img{display:block;max-width:100%;}
ul,ol{list-style:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input,textarea{font-family:inherit;font-size:16px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:0.4px;
  transition:all .25s ease;gap:8px;white-space:nowrap;
}
.btn-primary{
  background:var(--primary);color:#fff;border:1px solid var(--primary);
}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(30,86,196,0.25);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 12px rgba(30,86,196,0.2);}
.btn-outline{
  background:#fff;color:var(--primary);border:1px solid var(--primary);
}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-lg{height:50px;padding:0 32px;font-size:16px;}

.section-tag{
  display:inline-flex;align-items:center;
  background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px;
  letter-spacing:0.3px;
}

/* === Header === */
.site-header{
  height:72px;
  background:rgba(255,255,255,0.95);
  border-bottom:1px solid #E8ECF2;
  position:sticky;top:0;z-index:100;
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-icon{
  width:40px;height:40px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:0.2px;
}
.logo span:last-child{font-size:20px;font-weight:700;color:var(--text);letter-spacing:-0.2px;}
.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-secondary);
  padding:6px 0;transition:color .25s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a.active{color:var(--primary);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-4px;width:6px;height:6px;border-radius:50%;
  background:var(--primary);
}
.header-cta{
  font-size:14px;font-weight:600;color:var(--primary);
  border:1px solid var(--primary);border-radius:999px;
  padding:8px 20px;transition:all .25s ease;flex-shrink:0;
}
.header-cta:hover{background:var(--primary);color:#fff;transform:translateY(-1px);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:all .3s ease;}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* === Breadcrumb === */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-muted);margin-bottom:24px;
}
.breadcrumb a{color:var(--text-muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-muted);user-select:none;}

/* === Page Hero === */
.page-hero{
  padding:64px 0 48px;
  position:relative;background:var(--bg-white);
  border-bottom:1px solid var(--border);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(46,107,230,0.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(46,107,230,0.035) 1px,transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
}
.hero-split{
  position:relative;
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:56px;align-items:center;
}
.hero-copy h1{
  font-size:44px;line-height:1.2;font-weight:700;
  color:var(--text);letter-spacing:-0.5px;
  margin-bottom:16px;
}
.hero-subtitle{
  font-size:18px;color:var(--text-secondary);line-height:1.7;margin-bottom:20px;
}
.hero-desc{
  font-size:15px;color:var(--text-secondary);line-height:1.9;
  max-width:600px;margin-bottom:32px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.hero-media img{
  width:100%;height:auto;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-high,0 12px 36px rgba(30,60,120,0.14));
  object-fit:cover;
}

/* === Split Block === */
.split-section{padding:var(--section-space) 0;background:var(--bg-white);}
.split-block{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
.split-media img{
  width:100%;height:auto;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-hover);
}
.split-content{max-width:520px;}
.split-content .section-tag{margin-bottom:16px;}
.split-content h2{
  font-size:32px;line-height:1.3;font-weight:700;
  color:var(--text);letter-spacing:-0.3px;margin-bottom:16px;
}
.split-content p{font-size:15px;color:var(--text-secondary);line-height:1.9;margin-bottom:24px;}
.check-list{margin-top:8px;}
.check-list li{
  display:flex;align-items:flex-start;gap:10px;
  padding:7px 0;font-size:15px;color:var(--text-secondary);
}
.check-list li svg{flex-shrink:0;margin-top:4px;}
.check-list li strong{color:var(--text);font-weight:600;}

/* === Entry Section === */
.entry-section{padding:var(--section-space) 0;background:var(--bg-light);}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head h2{
  font-size:32px;line-height:1.3;font-weight:700;
  color:var(--text);letter-spacing:-0.3px;margin-bottom:8px;
}
.section-head p{font-size:15px;color:var(--text-secondary);}
.entry-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.entry-card{
  background:var(--bg-white);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  padding:32px;
  box-shadow:var(--shadow-sm);
  transition:all .3s ease;
  position:relative;
}
.entry-card:nth-child(1){border-top:3px solid var(--primary);}
.entry-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(46,107,230,0.14);
}
.entry-icon{
  width:48px;height:48px;border-radius:50%;
  background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.entry-card h3{font-size:20px;font-weight:600;color:var(--text);margin-bottom:10px;line-height:1.4;}
.entry-card p{font-size:14px;color:var(--text-secondary);line-height:1.8;}
.entry-link{
  display:inline-flex;align-items:center;gap:4px;
  margin-top:16px;font-size:14px;font-weight:600;color:var(--primary);
  transition:gap .25s ease;
}
.entry-link:hover{gap:8px;}

/* === Stats Section === */
.stats-section{padding:64px 0;background:var(--bg-white);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.stats-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:40px;
}
.stat-item{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  position:relative;padding:16px 0;
}
.stat-item + .stat-item::before{
  content:"";position:absolute;left:-20px;top:25%;
  width:1px;height:50%;background:var(--border);
}
.stat-num{
  font-size:42px;font-weight:700;line-height:1.2;
  color:var(--accent);font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.stat-label{font-size:14px;color:var(--text-secondary);}

/* === FAQ Section === */
.faq-section{padding:var(--section-space) 0;background:var(--bg-light);}
.faq-list{max-width:780px;margin:0 auto;}
.faq-item{
  background:var(--bg-white);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  margin-bottom:16px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .3s ease,border-color .3s ease;
  overflow:hidden;
}
.faq-item.active{
  border-color:rgba(46,107,230,0.18);
  box-shadow:var(--shadow-hover);
  background:var(--bg-light);
}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;
  color:var(--text);cursor:pointer;transition:color .25s ease;
}
.faq-question:hover{color:var(--primary);}
.faq-icon{
  width:24px;height:24px;border-radius:50%;flex-shrink:0;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;line-height:1;transition:transform .3s ease,background .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 .4s ease,padding .3s ease;
}
.faq-item.active .faq-answer{max-height:600px;padding:0 24px 20px;}
.faq-answer p{font-size:15px;color:var(--text-secondary);line-height:1.9;}

/* === CTA Section === */
.cta-section{padding:var(--section-space) 0;background:var(--bg-white);}
.cta-card{
  background:var(--primary-light);
  border-radius:var(--radius-lg);
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;
  gap:40px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-40px;top:-40px;
  width:160px;height:160px;border-radius:50%;
  background:rgba(46,107,230,0.08);
}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{font-size:32px;font-weight:700;color:var(--text);letter-spacing:-0.3px;margin-bottom:8px;}
.cta-copy p{font-size:16px;color:var(--text-secondary);}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;position:relative;z-index:1;}

/* === Footer === */
.site-footer{
  background:var(--bg-light);
  border-top:1px solid var(--border);
  padding:60px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo span:last-child{font-size:18px;}
.footer-desc{font-size:14px;color:var(--text-muted);line-height:1.8;max-width:260px;}
.footer-column h4{
  font-size:15px;font-weight:600;color:var(--text);
  margin-bottom:16px;
}
.footer-column a{
  display:block;font-size:14px;color:var(--text-secondary);
  padding:5px 0;transition:color .25s ease,padding-left .25s ease;
}
.footer-column a:hover{color:var(--primary);padding-left:4px;}
.footer-bottom{
  border-top:1px solid var(--border);
  padding:24px 0;
}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
}
.footer-copy{font-size:14px;color:var(--text-muted);}
.footer-links{display:flex;gap:24px;}
.footer-links a{font-size:14px;color:var(--text-muted);transition:color .25s ease;}
.footer-links a:hover{color:var(--primary);}

/* === Responsive === */
@media (max-width:1024px){
  .container{padding:0 20px;}
  .header-inner{gap:20px;}
  .nav-links{gap:24px;}
  .hero-split{gap:32px;grid-template-columns:1fr 1fr;}
  .hero-copy h1{font-size:36px;}
  .split-block{gap:40px;grid-template-columns:1fr 1fr;}
  .footer-top{grid-template-columns:1.5fr 1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--section-space:64px;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;
    background:var(--bg-white);
    flex-direction:column;align-items:flex-start;
    padding:16px 24px 24px;
    gap:4px;
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-hover);
    transform:translateY(-16px);
    opacity:0;visibility:hidden;
    transition:all .3s ease;
  }
  .nav-links.open{
    transform:translateY(0);
    opacity:1;visibility:visible;
  }
  .nav-links a{
    display:block;width:100%;
    padding:12px 12px;
    border-radius:8px;
    font-size:16px;
  }
  .nav-links a:hover{background:var(--primary-light);}
  .nav-links a.active{background:var(--primary-light);}
  .nav-links a.active::after{display:none;}
  .hero-split{grid-template-columns:1fr;}
  .hero-media{order:-1;}
  .hero-media img{max-height:300px;width:100%;object-fit:cover;}
  .split-block{grid-template-columns:1fr;gap:32px;}
  .split-media img{max-height:320px;object-fit:cover;width:100%;}
  .entry-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .stat-item + .stat-item::before{display:none;}
  .cta-card{padding:40px 24px;flex-direction:column;align-items:flex-start;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-copy h1{font-size:28px;}
  .hero-subtitle{font-size:16px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .entry-card{padding:24px;}
  .entry-card h3{font-size:18px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-num{font-size:34px;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;}
  .footer-links{flex-wrap:wrap;gap:16px;}
  .faq-question{padding:16px 16px;font-size:15px;}
  .faq-item.active .faq-answer{padding:0 16px 16px;}
}

/* roulang page: article */
:root {
  --primary: #2E6BE6;
  --primary-dark: #1E56C4;
  --primary-light: #E8F0FE;
  --accent: #F5A623;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FC;
  --text: #1A2B3C;
  --text-secondary: #5A6B7C;
  --text-muted: #8A9BAA;
  --border: rgba(30, 60, 120, 0.08);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow: 0 2px 12px rgba(30, 60, 120, 0.06);
  --shadow-hover: 0 8px 30px rgba(30, 60, 120, 0.12);
  --font: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
  gap: 8px;
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(46, 107, 230, 0.25);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 107, 230, 0.3);
}

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

.btn-ghost {
  background: #FFFFFF;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-ghost:hover {
  background: var(--primary-light);
}

.btn-ghost:active {
  background: #dae6fc;
}

.btn:focus-visible {
  outline: 3px solid rgba(46, 107, 230, 0.3);
  outline-offset: 2px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFFFFF;
  border-bottom: 1px solid #E8ECF2;
  box-shadow: 0 1px 4px rgba(30, 60, 120, 0.04);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #FFFFFF;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 2px;
  transition: color 0.2s ease;
}

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

.nav-links a.active {
  color: var(--primary);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  transform: translateX(-50%);
}

.menu-toggle {
  display: none;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 16px 0;
  font-size: 14px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

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

.breadcrumb .sep {
  margin: 0 10px;
  color: #B0C0D0;
}

.breadcrumb .crumb-leaf {
  color: var(--text-muted);
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 文章主体 ===== */
.article-detail {
  padding: 48px 0 90px;
  background: #FFFFFF;
}

.article-header {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.article-header h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-muted);
}

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

.meta-item svg {
  color: var(--primary);
  opacity: 0.7;
}

.article-cover {
  max-width: 760px;
  margin: 0 auto 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.article-cover img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ===== 正文排版 ===== */
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}

.article-content p {
  margin-bottom: 20px;
  line-height: 1.9;
  letter-spacing: 0.2px;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin: 44px 0 18px;
  padding-left: 14px;
  border-left: 3px solid var(--primary);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  margin: 36px 0 14px;
}

.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin: 28px 0 12px;
}

.article-content ul,
.article-content ol {
  padding-left: 22px;
  margin-bottom: 24px;
}

.article-content li {
  margin-bottom: 8px;
  line-height: 1.9;
}

.article-content a {
  color: var(--primary);
  border-bottom: 1px solid rgba(46, 107, 230, 0.2);
  transition: border-color 0.2s ease;
}

.article-content a:hover {
  border-bottom-color: var(--primary);
}

.article-content blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: var(--bg-soft);
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  color: var(--text-secondary);
  font-size: 15px;
  font-style: normal;
  line-height: 1.9;
}

.article-content blockquote p {
  margin-bottom: 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.6;
}

.article-content th {
  background: var(--primary-light);
  color: var(--text);
  font-weight: 600;
  padding: 12px 16px;
  border: 1px solid var(--border);
  text-align: left;
}

.article-content td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.article-content img {
  border-radius: var(--radius-md);
  margin: 28px 0;
  width: 100%;
  height: auto;
  box-shadow: var(--shadow);
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* ===== 空态 ===== */
.article-empty {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  padding: 80px 32px;
  border: 2px dashed #C0D0E0;
  border-radius: var(--radius-lg);
  background: #FCFDFE;
}

.empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
}

.article-empty h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.article-empty p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.article-empty .btn + .btn {
  margin-left: 12px;
}

/* ===== 延伸阅读 ===== */
.related-section {
  background: var(--bg-soft);
  padding: 90px 0;
  border-top: 1px solid var(--border);
}

.section-heading {
  text-align: center;
  margin-bottom: 44px;
}

.section-heading h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.section-heading p {
  font-size: 14px;
  color: var(--text-secondary);
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 0.8fr;
  gap: 28px;
  align-items: stretch;
}

.related-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

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

.card-img {
  height: 180px;
  overflow: hidden;
  flex-shrink: 0;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.related-card:hover .card-img img {
  transform: scale(1.04);
}

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

.card-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

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

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

.return-card {
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-style: dashed;
  border-color: rgba(46, 107, 230, 0.3);
  box-shadow: none;
  min-height: 260px;
}

.return-card:hover {
  background: #dbe7fd;
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.return-inner {
  text-align: center;
  color: var(--primary);
}

.return-icon {
  display: block;
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
}

.return-label {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.return-inner small {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== CTA ===== */
.article-cta {
  padding: 90px 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border);
}

.cta-box {
  background: var(--primary-light);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  border: 1px solid rgba(46, 107, 230, 0.12);
}

.cta-box h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.cta-box p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 520px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 60px 0 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 300px;
}

.footer-column h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 18px;
}

.footer-column a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: color 0.2s ease;
}

.footer-column a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
}

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

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

  .nav-links {
    gap: 24px;
  }

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

  .return-card {
    min-height: 200px;
  }

  .footer-top {
    grid-template-columns: 2fr 1fr 1fr;
    row-gap: 36px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .site-header .header-inner {
    height: 64px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 24px rgba(30, 60, 120, 0.08);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 10px;
    font-size: 16px;
    border-radius: 8px;
  }

  .nav-links a:hover {
    background: var(--bg-soft);
  }

  .nav-links a.active {
    background: var(--primary-light);
  }

  .nav-links a.active::after {
    display: none;
  }

  .breadcrumb {
    padding: 14px 0;
    font-size: 13px;
  }

  .breadcrumb .sep {
    margin: 0 8px;
  }

  .breadcrumb .crumb-leaf {
    max-width: 200px;
  }

  .article-detail {
    padding: 32px 0 64px;
  }

  .article-header h1 {
    font-size: 28px;
    line-height: 1.35;
    letter-spacing: -0.3px;
  }

  .article-header {
    margin-bottom: 24px;
  }

  .article-meta {
    gap: 14px;
  }

  .article-cover {
    margin-bottom: 28px;
  }

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

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

  .article-content h3 {
    font-size: 18px;
  }

  .article-empty {
    padding: 56px 20px;
  }

  .article-empty .btn + .btn {
    margin-left: 0;
    margin-top: 12px;
  }

  .related-section {
    padding: 64px 0;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card-img {
    height: 200px;
  }

  .return-card {
    min-height: 140px;
  }

  .article-cta {
    padding: 64px 0;
  }

  .cta-box {
    flex-direction: column;
    padding: 36px 24px;
    text-align: center;
    gap: 24px;
  }

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 48px 0 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
    padding: 16px 0;
  }

  .footer-links {
    gap: 16px;
  }
}

@media (max-width: 520px) {
  .nav-links {
    padding: 12px 12px 16px;
  }

  .article-header h1 {
    font-size: 24px;
  }

  .article-meta {
    font-size: 13px;
    gap: 10px;
  }

  .breadcrumb .crumb-leaf {
    max-width: 140px;
  }

  .card-img {
    height: 180px;
  }

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

  .footer-bottom-inner {
    gap: 8px;
  }

  .meta-item svg {
    width: 12px;
    height: 12px;
  }
}

/* roulang page: category2 */
:root{
  --primary:#2E6BE6;
  --primary-dark:#1E56C4;
  --primary-light:#E8F0FE;
  --accent:#F5A623;
  --bg:#FFFFFF;
  --bg-soft:#F6F9FC;
  --text:#1A2B3C;
  --text-sub:#5A6B7C;
  --text-weak:#8A9BAA;
  --border:rgba(30,60,120,0.08);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 2px 12px rgba(30,60,120,0.06);
  --shadow-hover:0 8px 30px rgba(30,60,120,0.12);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0.2px;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--primary-dark)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid #E8ECF2;
  height:72px;
  display:flex;align-items:center;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{
  display:flex;align-items:center;gap:12px;
  font-size:18px;font-weight:700;color:var(--text);
  letter-spacing:-0.3px;
}
.logo:hover{color:var(--text)}
.logo-icon{
  width:40px;height:40px;border-radius:10px;
  background:var(--primary);
  color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.nav-links{display:flex;align-items:center;gap:36px;list-style:none}
.nav-links a{
  font-size:15px;font-weight:500;color:var(--text-sub);
  position:relative;padding:6px 0;transition:color .25s;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{
  content:'';position:absolute;left:50%;transform:translateX(-50%);
  bottom:-6px;width:4px;height:4px;border-radius:50%;
  background:var(--primary);
}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--radius-sm);
  background:transparent;border:1px solid var(--primary);
  color:var(--primary);font-size:14px;font-weight:600;
  transition:all .25s ease;cursor:pointer;
}
.header-cta:hover{background:var(--primary-light);transform:translateY(-1px)}
.nav-toggle{display:none;width:32px;height:32px;background:none;border:0;cursor:pointer;flex-direction:column;justify-content:center;gap:5px}
.nav-toggle span{display:block;height:2px;width:24px;background:var(--text);border-radius:2px;transition:all .3s}
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;background:#fff;z-index:99;box-shadow:0 8px 30px rgba(30,60,120,.1);padding:16px 0;border-bottom:1px solid var(--border)}
.mobile-menu a{display:block;padding:12px 24px;font-size:15px;color:var(--text)}
.mobile-menu a:hover{background:var(--primary-light);color:var(--primary)}
.mobile-menu a.active{color:var(--primary);font-weight:600;background:var(--primary-light)}

/* Hero */
.page-hero{
  padding:80px 0 60px;
  background:var(--bg);
  border-bottom:1px solid var(--border);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  position:relative;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:rgba(255,255,255,.92);
}
.page-hero .container{position:relative;z-index:2}
.hero-inner{display:flex;align-items:center;gap:60px}
.hero-content{flex:1;max-width:640px}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:600;
  padding:6px 16px;border-radius:999px;margin-bottom:20px;
}
.hero-content h1{
  font-size:42px;font-weight:700;line-height:1.2;
  letter-spacing:-0.5px;color:var(--text);margin-bottom:20px;
}
.hero-content .hero-desc{
  font-size:16px;line-height:1.8;color:var(--text-sub);
  margin-bottom:28px;max-width:560px;
}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:all .25s ease;text-decoration:none;
  gap:6px;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(46,107,230,.3)}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 4px 12px rgba(46,107,230,.2)}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark)}
.hero-trust{
  display:flex;gap:24px;margin-top:28px;
  font-size:14px;color:var(--text-sub);
  flex-wrap:wrap;
}
.hero-trust span{display:flex;align-items:center;gap:6px}
.hero-trust i{color:var(--primary);font-style:normal;font-weight:700}
.hero-image{flex:0 0 420px}
.hero-image img{
  width:100%;height:300px;object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-hover);
}

/* Section */
.section{padding:90px 0}
.section-alt{background:var(--bg-soft)}
.section-head{max-width:720px;margin:0 auto 50px;text-align:center}
.section-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;
  color:var(--primary);letter-spacing:1px;
  margin-bottom:12px;
}
.section-head h2{
  font-size:32px;font-weight:700;line-height:1.3;
  letter-spacing:-0.3px;margin-bottom:14px;color:var(--text);
}
.section-head p{font-size:15px;color:var(--text-sub);line-height:1.8}

/* Step Flow */
.steps-flow{max-width:860px;margin:0 auto;position:relative}
.steps-flow::before{
  content:'';position:absolute;left:24px;top:30px;bottom:30px;
  width:2px;background:linear-gradient(180deg,var(--primary),var(--accent));
  opacity:.3;border-radius:2px;
}
.step-item{
  display:flex;gap:28px;padding:24px 0;
  position:relative;
}
.step-number{
  flex:0 0 48px;width:48px;height:48px;
  border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  border:2px solid var(--primary);
  position:relative;z-index:2;
  font-variant-numeric:tabular-nums;
}
.step-body{flex:1;padding-top:2px}
.step-body h3{
  font-size:20px;font-weight:600;color:var(--text);
  margin-bottom:8px;line-height:1.4;
}
.step-body p{
  font-size:15px;color:var(--text-sub);
  line-height:1.8;max-width:600px;
}
.step-cta{
  margin-top:36px;text-align:center;
  background:var(--primary);
  border-radius:var(--radius-md);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
  box-shadow:0 8px 30px rgba(46,107,230,.2);
}
.step-cta h3{color:#fff;font-size:22px;font-weight:700;margin-bottom:6px}
.step-cta p{color:rgba(255,255,255,.85);font-size:15px}
.btn-white{
  background:#fff;color:var(--primary);
  border:0;height:44px;padding:0 28px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  transition:all .25s;cursor:pointer;text-decoration:none;
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15);color:var(--primary-dark)}

/* Notices */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.notice-card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);padding:28px;
  transition:all .25s ease;
}
.notice-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.notice-icon{
  width:48px;height:48px;border-radius:12px;
  background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:var(--primary);margin-bottom:16px;
  font-weight:700;
}
.notice-card h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px}
.notice-card p{font-size:14px;color:var(--text-sub);line-height:1.7}

/* FAQ */
.faq-list{max-width:780px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--border);
  transition:background .3s;
}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);
  background:none;border:0;width:100%;text-align:left;
  transition:all .25s;
}
.faq-question:hover{color:var(--primary)}
.faq-toggle{
  flex:0 0 24px;width:24px;height:24px;
  position:relative;transition:transform .3s;
}
.faq-toggle::before,.faq-toggle::after{
  content:'';position:absolute;top:50%;left:50%;
  width:16px;height:2px;background:var(--text-sub);
  transform:translate(-50%,-50%);
  border-radius:2px;transition:background .3s;
}
.faq-toggle::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  padding:0 20px;
}
.faq-answer p{
  font-size:15px;color:var(--text-sub);line-height:1.9;
  padding-bottom:20px;
}
.faq-item.active{background:var(--bg-soft)}
.faq-item.active .faq-toggle{transform:rotate(45deg)}
.faq-item.active .faq-toggle::before,.faq-item.active .faq-toggle::after{background:var(--primary)}
.faq-item.active .faq-answer{max-height:300px}

/* CTA Form */
.cta-section{background:var(--bg-soft);padding:90px 0}
.cta-inner{display:grid;grid-template-columns:1fr 460px;gap:60px;align-items:center}
.cta-copy h2{
  font-size:32px;font-weight:700;line-height:1.3;
  margin-bottom:16px;color:var(--text);
}
.cta-copy p{font-size:15px;color:var(--text-sub);line-height:1.8;margin-bottom:28px}
.cta-points{list-style:none;display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:28px}
.cta-points li{
  display:flex;align-items:center;gap:10px;
  font-size:15px;color:var(--text);
}
.cta-points li i{
  color:var(--primary);font-style:normal;font-weight:700;
  width:20px;height:20px;border-radius:50%;
  background:var(--primary-light);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;
}
.cta-form-card{
  background:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-hover);
  padding:36px;border:1px solid var(--border);
}
.form-group{margin-bottom:20px}
.form-group label{
  display:block;font-size:14px;font-weight:600;
  color:var(--text);margin-bottom:8px;
}
.form-control{
  width:100%;height:46px;padding:0 14px;
  border:1px solid #E2E8F0;border-radius:var(--radius-sm);
  font-size:15px;font-family:var(--font);
  transition:border-color .25s,box-shadow .25s;
  color:var(--text);background:#fff;
}
.form-control:focus{
  outline:0;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(46,107,230,.15);
}
textarea.form-control{height:110px;padding:12px 14px;resize:vertical}
.form-submit{
  width:100%;height:44px;border:0;border-radius:var(--radius-sm);
  background:var(--primary);color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .25s;
}
.form-submit:hover{background:var(--primary-dark)}
.form-hint{
  font-size:13px;color:var(--text-weak);
  text-align:center;margin-top:12px;
}

/* Footer */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);padding:60px 0 0}
.footer-top{
  display:flex;justify-content:space-between;
  gap:40px;padding-bottom:40px;
  border-bottom:1px solid var(--border);
  flex-wrap:wrap;
}
.footer-brand{flex:0 0 300px}
.footer-brand .logo{font-size:20px;margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--text-sub);line-height:1.7;margin-top:12px}
.footer-column h4{
  font-size:14px;font-weight:600;color:var(--text);
  margin-bottom:16px;
}
.footer-column a{
  display:block;font-size:14px;color:var(--text-sub);
  margin-bottom:10px;transition:color .25s;
}
.footer-column a:hover{color:var(--primary)}
.footer-bottom{padding:24px 0}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--text-weak);
}
.footer-links a{font-size:14px;color:var(--text-weak);margin-left:20px}
.footer-links a:hover{color:var(--primary)}

/* Mobile */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero-inner{flex-direction:column;gap:40px}
  .hero-image{flex:none;width:100%}
  .hero-image img{width:100%;height:260px}
  .cta-inner{grid-template-columns:1fr}
  .notice-grid{grid-template-columns:1fr}
  .footer-top{flex-wrap:wrap;gap:30px}
  .footer-brand{flex:0 0 100%}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-hero{padding:50px 0 40px}
  .hero-content h1{font-size:28px}
  .hero-content .hero-desc{font-size:15px}
  .hero-buttons .btn{width:100%}
  .hero-trust{flex-direction:column;gap:8px}
  .section{padding:64px 0}
  .section-head h2{font-size:26px}
  .step-item{gap:16px}
  .steps-flow::before{left:16px}
  .step-number{flex:0 0 36px;width:36px;height:36px;font-size:13px}
  .step-body h3{font-size:17px}
  .step-cta{flex-direction:column;padding:28px 24px;text-align:center}
  .step-cta .btn-white{width:100%;justify-content:center}
  .cta-section{padding:64px 0}
  .cta-form-card{padding:24px}
  .footer-bottom-inner{flex-direction:column;gap:12px;text-align:center}
}
@media (max-width:520px){
  .logo{font-size:15px}
  .logo-icon{width:34px;height:34px;font-size:11px}
  .hero-content h1{font-size:24px}
}

/* roulang page: category3 */
:root {
            --primary: #2E6BE6;
            --primary-light: #E8F0FE;
            --primary-dark: #1E56C4;
            --accent: #F5A623;
            --accent-light: rgba(245, 166, 35, 0.12);
            --bg: #FFFFFF;
            --bg-alt: #F6F9FC;
            --text: #1A2B3C;
            --text-sub: #5A6B7C;
            --text-weak: #8A9BAA;
            --border: rgba(30, 60, 120, 0.08);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 12px rgba(30, 60, 120, 0.06);
            --shadow-hover: 0 8px 30px rgba(30, 60, 120, 0.12);
            --font-stack: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            letter-spacing: 0.2px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

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

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            background: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid #E8ECF2;
            backdrop-filter: none;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 40px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.3px;
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
        }

        .nav-links a {
            position: relative;
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 2px;
        }

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

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -6px;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            height: 40px;
            padding: 0 20px;
            border: 1px solid var(--primary);
            border-radius: 10px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: background 0.25s ease, color 0.25s ease;
        }

        .header-cta:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .mobile-toggle {
            display: none;
            width: 32px;
            height: 32px;
            background: none;
            border: none;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 20px 24px 28px;
            z-index: 99;
            box-shadow: var(--shadow-sm);
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 12px;
            border-radius: 8px;
            color: var(--text);
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 4px;
        }

        .mobile-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-menu a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ Page Hero ============ */
        .page-hero {
            position: relative;
            padding: 80px 0 56px;
            background: linear-gradient(180deg, #F6F9FC 0%, #FFFFFF 100%);
            border-bottom: 1px solid var(--border);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(46, 107, 230, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(46, 107, 230, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .page-hero-content {
            padding: 0 0 0 0;
        }

        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 20px;
        }

        .page-hero .breadcrumb a {
            color: var(--text-weak);
            transition: color 0.25s ease;
        }

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

        .page-hero .breadcrumb .sep {
            color: #C0D0E0;
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: var(--text);
            margin-bottom: 18px;
        }

        .page-hero h1 .highlight {
            color: var(--primary);
        }

        .page-hero .subtitle {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-sub);
            max-width: 540px;
            margin-bottom: 28px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
        }

        .page-hero-media {
            position: relative;
        }

        .page-hero-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            background: var(--primary-light);
        }

        .float-card {
            position: absolute;
            right: -12px;
            bottom: -20px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 14px 20px;
            box-shadow: var(--shadow-hover);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .float-card .num {
            font-size: 30px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
        }

        .float-card .label {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.4;
        }

        .float-card .label strong {
            display: block;
            font-size: 14px;
            color: var(--text);
        }

        /* ============ Content Section ============ */
        .content-section {
            padding: 100px 0;
        }

        .content-section.alt-bg {
            background: var(--bg-alt);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.4px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.3px;
            color: var(--text);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.9;
            max-width: 720px;
            margin-bottom: 48px;
        }

        /* ============ Activity List ============ */
        .activity-list {
            border-top: 1px solid var(--border);
        }

        .activity-item {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 40px;
            padding: 36px 8px;
            border-bottom: 1px solid var(--border);
            transition: background 0.25s ease, box-shadow 0.25s ease;
        }

        .activity-item:hover {
            background: rgba(246, 249, 252, 0.6);
            box-shadow: 0 -4px 0 -1px var(--border), 0 4px 0 -1px var(--border);
        }

        .activity-item-main {
            flex: 0 0 68%;
            max-width: 68%;
        }

        .activity-item-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 12px;
        }

        .activity-item-badge.accent {
            background: var(--accent-light);
            color: #D58914;
        }

        .activity-item-badge.green {
            background: rgba(16, 185, 129, 0.12);
            color: #0B9B6D;
        }

        .activity-item-title {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text);
            margin-bottom: 8px;
        }

        .activity-item-desc {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-sub);
        }

        .activity-item-meta {
            flex: 0 0 26%;
            max-width: 26%;
            text-align: right;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 8px;
            padding-top: 6px;
        }

        .activity-item-time {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-weak);
        }

        .activity-item-time svg {
            width: 16px;
            height: 16px;
            stroke: var(--text-weak);
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .activity-item-status {
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 999px;
        }

        .activity-item-status.closed {
            background: rgba(138, 155, 170, 0.15);
            color: var(--text-weak);
        }

        .activity-item-status.hot {
            background: var(--accent-light);
            color: #D58914;
        }

        /* ============ Info Card ============ */
        .info-card {
            margin-top: 64px;
            background: var(--bg-alt);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 28px 32px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            box-shadow: var(--shadow-sm);
        }

        .info-card .info-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            font-weight: 700;
        }

        .info-card .info-content {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-sub);
        }

        .info-card .info-content strong {
            color: var(--text);
            font-weight: 600;
        }

        .info-card .info-content a {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 1px solid transparent;
        }

        .info-card .info-content a:hover {
            border-bottom-color: var(--primary);
        }

        /* ============ Feature Cards ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-bottom: 48px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 20px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-sub);
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 80px 0;
            background: var(--primary-light);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }

        .cta-left h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 10px;
        }

        .cta-left p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 600px;
        }

        .cta-right {
            flex-shrink: 0;
            display: flex;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            border: none;
            transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(46, 107, 230, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(46, 107, 230, 0.35);
        }

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

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: none;
            border: none;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 8px 0;
            cursor: pointer;
            transition: gap 0.3s ease;
        }

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

        .btn-text .arrow {
            transition: transform 0.3s ease;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 100px 0 80px;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            border-top: 1px solid var(--border);
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: background 0.25s ease;
        }

        .faq-item.open {
            background: var(--bg-alt);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 52px;
            padding: 12px 16px;
            cursor: pointer;
            list-style: none;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            background: transparent;
            transition: color 0.25s ease;
            border-radius: 8px;
        }

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

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

        .faq-item .faq-icon {
            position: relative;
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item .faq-icon::before,
        .faq-item .faq-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 14px;
            height: 2px;
            transform: translate(-50%, -50%);
            background: var(--text-sub);
            border-radius: 1px;
            transition: background 0.3s ease, all 0.3s ease;
        }

        .faq-item .faq-icon::after {
            width: 2px;
            height: 14px;
            transform: translate(-50%, -50%);
        }

        .faq-item.open .faq-icon::before {
            background: var(--primary);
            transform: translate(-50%, -50%) rotate(180deg);
        }

        .faq-item.open .faq-icon::after {
            background: var(--primary);
            transform: translate(-50%, -50%) rotate(90deg);
        }

        .faq-item .faq-answer {
            padding: 0 16px 20px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-sub);
        }

        /* ============ Contact ============ */
        .contact-section {
            padding: 80px 0 100px;
            background: var(--bg-alt);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .contact-left h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 12px;
        }

        .contact-left p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .contact-points {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .contact-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: var(--text);
        }

        .contact-points li .point-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .contact-form-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            height: 44px;
            border: 1px solid #E2E8F0;
            border-radius: 10px;
            padding: 0 14px;
            font-size: 15px;
            color: var(--text);
            background: #fff;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            outline: none;
        }

        .form-group textarea {
            height: 120px;
            padding: 12px 14px;
            resize: vertical;
            line-height: 1.6;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 107, 230, 0.15);
        }

        .form-group input.error,
        .form-group textarea.error {
            border-color: #EF4444;
        }

        .form-group .error-msg {
            font-size: 13px;
            color: #EF4444;
            margin-top: 4px;
            display: none;
        }

        .form-submit {
            width: 100%;
        }

        .form-privacy {
            font-size: 13px;
            color: var(--text-weak);
            text-align: center;
            margin-top: 16px;
            line-height: 1.6;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            padding: 60px 0 0;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            padding-bottom: 40px;
        }

        .footer-brand {
            flex: 0 0 320px;
            max-width: 320px;
        }

        .footer-brand .logo {
            margin-bottom: 12px;
            font-size: 17px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-top: 10px;
        }

        .footer-column {
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-width: 120px;
        }

        .footer-column h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .footer-column a {
            font-size: 14px;
            color: var(--text-sub);
            transition: color 0.25s ease;
        }

        .footer-column a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .footer-copy {
            font-size: 14px;
            color: var(--text-weak);
        }

        .footer-links {
            display: flex;
            gap: 24px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-weak);
            transition: color 0.25s ease;
        }

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

        /* ============ Responsive ============ */
        @media (max-width: 1023px) {
            .header-inner {
                padding: 0 24px;
            }

            .nav-links {
                gap: 24px;
            }

            .page-hero {
                padding: 64px 0 48px;
            }

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

            .page-hero-media {
                max-width: 560px;
            }

            .content-section {
                padding: 80px 0;
            }

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

            .activity-item {
                flex-direction: column;
                gap: 16px;
                padding: 28px 12px;
            }

            .activity-item-main {
                max-width: 100%;
                flex-basis: auto;
            }

            .activity-item-meta {
                max-width: 100%;
                flex-basis: auto;
                flex-direction: row;
                align-items: center;
                justify-content: flex-start;
                text-align: left;
                gap: 16px;
                padding-top: 0;
            }

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

        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .header-inner {
                padding: 0 16px;
            }

            .page-hero h1 {
                font-size: 28px;
                line-height: 1.35;
            }

            .page-hero .subtitle {
                font-size: 15px;
            }

            .page-hero-media img {
                height: 220px;
            }

            .float-card {
                right: 8px;
                bottom: -16px;
                padding: 10px 14px;
            }

            .float-card .num {
                font-size: 24px;
            }

            .content-section {
                padding: 64px 0;
            }

            .section-title {
                font-size: 24px;
                line-height: 1.4;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .activity-item-desc {
                font-size: 14px;
            }

            .activity-item-title {
                font-size: 18px;
            }

            .info-card {
                padding: 20px;
                flex-direction: column;
                gap: 12px;
            }

            .cta-inner {
                flex-direction: column;
                gap: 24px;
                text-align: center;
            }

            .cta-right {
                width: 100%;
                flex-direction: column;
                gap: 12px;
            }

            .btn {
                width: 100%;
            }

            .faq-section {
                padding: 64px 0 60px;
            }

            .faq-item summary {
                font-size: 14px;
                padding: 12px 4px;
            }

            .faq-item .faq-answer {
                font-size: 14px;
                padding: 0 4px 16px;
            }

            .contact-section {
                padding: 60px 0 80px;
            }

            .contact-form-card {
                padding: 24px 20px;
            }

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

            .footer-top {
                flex-direction: column;
                gap: 28px;
            }

            .footer-brand {
                flex: 0 0 auto;
                max-width: 100%;
            }

            .footer-column {
                min-width: 0;
            }

            .footer-bottom-inner {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 26px;
            }

            .activity-item-badge {
                font-size: 12px;
                padding: 4px 10px;
            }

            .activity-item-meta {
                flex-wrap: wrap;
            }

            .hero-tags .tag {
                font-size: 12px;
                padding: 5px 12px;
            }
        }