/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #0B1D33;
  --primary-light: #16324F;
  --primary-lighter: #1F3D5C;
  --accent: #C9A44C;
  --accent-hover: #B8933F;
  --accent-soft: rgba(201, 164, 76, 0.14);
  --bg: #F6F7F9;
  --bg-white: #FFFFFF;
  --bg-dark: #0B1D33;
  --text: #1A1D24;
  --text-weak: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 8px 30px rgba(11, 29, 51, 0.07);
  --shadow-lg: 0 20px 50px rgba(11, 29, 51, 0.13);
  --transition: all 0.3s ease;
  --container: 1200px;
  --header-h: 76px;
}
/* ========== 基础 Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
ul, ol { list-style: none; }
:focus-visible { outline: 3px solid rgba(201, 164, 76, 0.55); outline-offset: 2px; border-radius: 4px; }
/* ========== 容器 ========== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 768px) { .container { padding: 0 20px; } }
/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}
.logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  flex-shrink: 0;
}
.brand-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 2px;
}
.logo-sub {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-weak);
  letter-spacing: 0.8px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  position: relative;
  padding: 8px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-weak);
  border-radius: 999px;
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(11, 29, 51, 0.05);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-link.active .nav-dot {
  opacity: 1;
  transform: scale(1);
}
.nav-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-left: 6px;
  vertical-align: middle;
  opacity: 0;
  transform: scale(0);
  transition: var(--transition);
}
.nav-cta {
  margin-left: 12px;
  padding: 8px 22px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  transition: var(--transition);
}
.nav-cta:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(11, 29, 51, 0.2);
}
.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  background: transparent;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px 20px;
    gap: 4px;
    display: none;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .nav-link { width: 100%; padding: 12px 16px; border-radius: 10px; font-size: 1rem; }
  .nav-cta { width: 100%; margin-left: 0; margin-top: 8px; text-align: center; padding: 12px; }
}
/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(11, 29, 51, 0.92) 0%, rgba(11, 29, 51, 0.7) 55%, rgba(22, 50, 79, 0.5) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  padding: 80px 0 90px;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.85rem;
  letter-spacing: 0.6px;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 26px;
  backdrop-filter: blur(6px);
}
.hero-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}
.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 1.2px;
  margin-bottom: 18px;
  background: linear-gradient(to right, #ffffff 0%, #f0e6c8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero .hero-subtitle {
  font-size: 1.25rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 14px;
}
.hero .hero-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-primary {
  padding: 14px 34px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  background: #dbb455;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(201, 164, 76, 0.35);
}
.btn-outline {
  padding: 14px 34px;
  border-radius: 999px;
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  color: #fff;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 70px 0 80px; }
  .hero h1 { font-size: 2.2rem; }
  .hero .hero-subtitle { font-size: 1.05rem; }
  .hero .hero-desc { font-size: 0.95rem; }
  .hero-btns .btn-primary, .hero-btns .btn-outline { flex: 1; justify-content: center; }
}
/* ========== 板块通用 ========== */
.section {
  padding: 80px 0;
}
.section-alt { background: var(--bg-white); }
.section-head {
  max-width: 720px;
  margin: 0 auto 52px;
  text-align: center;
}
.section-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 14px;
}
.section-desc {
  font-size: 0.98rem;
  color: var(--text-weak);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 1.6rem; }
  .section-head { margin-bottom: 36px; }
}
/* ========== 核心说明 ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  transition: var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-6px);
  border-color: rgba(201, 164, 76, 0.4);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 18px;
}
.feature-card:nth-child(2) .feature-icon { background: #9C6FF0; }
.feature-card:nth-child(3) .feature-icon { background: var(--accent); }
.feature-card:nth-child(4) .feature-icon { background: #3BB8A3; }
.feature-card h3 {
  font-size: 1.06rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.89rem;
  color: var(--text-weak);
  line-height: 1.7;
}
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .features-grid { grid-template-columns: 1fr; }
}
/* ========== 分类入口 ========== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.category-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  display: block;
  min-height: 340px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  background: var(--primary);
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  opacity: 0.75;
  transition: var(--transition);
}
.category-card:hover img {
  opacity: 0.55;
  transform: scale(1.05);
}
.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 29, 51, 0.95) 0%, rgba(11, 29, 51, 0.4) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
}
.category-overlay .cat-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(11, 29, 51, 0.5);
  padding: 4px 12px;
  border-radius: 999px;
  width: fit-content;
  margin-bottom: 12px;
  letter-spacing: 0.6px;
}
.category-overlay h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.category-overlay p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.65;
  margin-bottom: 14px;
}
.category-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--accent);
  width: fit-content;
}
.category-link:hover { color: var(--accent); }
@media (max-width: 1024px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .category-grid { grid-template-columns: 1fr; }
  .category-card { min-height: 280px; }
}
/* ========== 最新资讯列表 ========== */
.news-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
}
.news-header-left h2 {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.news-header-left p {
  font-size: 0.9rem;
  color: var(--text-weak);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-5px);
  border-color: rgba(201, 164, 76, 0.35);
}
.news-card .post-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.news-card .post-cat {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-hover);
  background: var(--accent-soft);
  padding: 3px 12px;
  border-radius: 999px;
}
.news-card .post-date {
  font-size: 0.8rem;
  color: var(--text-light);
}
.news-card h3 {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.45;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card p {
  font-size: 0.88rem;
  color: var(--text-weak);
  line-height: 1.65;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.news-card .post-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
}
.news-card .post-footer::after {
  content: '→';
  transition: var(--transition);
}
.news-card:hover .post-footer::after {
  transform: translateX(4px);
}
.empty-tip {
  grid-column: 1 / -1;
  padding: 40px;
  text-align: center;
  color: var(--text-weak);
  background: var(--bg-white);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
}
@media (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-header { flex-direction: column; align-items: flex-start; }
}
/* ========== 数据统计 ========== */
.stats-section {
  background: linear-gradient(135deg, #0B1D33 0%, #16324F 100%);
  color: #fff;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat-item { padding: 20px; }
.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-number span { font-size: 1.2rem; margin-left: 2px; }
.stat-label {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-number { font-size: 2rem; }
}
/* ========== 流程 ========== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  position: relative;
}
.process-step {
  text-align: center;
  padding: 30px 18px;
  position: relative;
}
.process-num {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  position: relative;
  z-index: 1;
}
.process-step::after {
  content: '';
  position: absolute;
  top: 53px;
  left: calc(50% + 36px);
  width: calc(100% - 60px);
  height: 2px;
  border-top: 2px dashed var(--border);
  z-index: 0;
}
.process-step:last-child::after { display: none; }
.process-step h3 {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 0.88rem;
  color: var(--text-weak);
  line-height: 1.6;
}
@media (max-width: 1024px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-step::after { display: none; }
}
@media (max-width: 520px) {
  .process-grid { grid-template-columns: 1fr; }
}
/* ========== FAQ ========== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(201, 164, 76, 0.4); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
}
.faq-q .faq-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--accent); color: #fff; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-a-inner {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  color: var(--text-weak);
  line-height: 1.75;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 0;
}
.faq-item.open .faq-a { max-height: 260px; }
/* ========== CTA ========== */
.cta-section {
  background: var(--bg-white);
}
.cta-box {
  background: linear-gradient(135deg, #0B1D33 0%, #16324F 100%);
  border-radius: var(--radius);
  padding: 60px 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(201, 164, 76, 0.15);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
}
.cta-box h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.cta-box p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.cta-form input {
  flex: 1;
  padding: 13px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 0.92rem;
  transition: var(--transition);
}
.cta-form input::placeholder { color: rgba(255, 255, 255, 0.5); }
.cta-form input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.15);
}
.cta-form .btn-primary { white-space: nowrap; }
@media (max-width: 640px) {
  .cta-box { padding: 45px 24px; }
  .cta-box h2 { font-size: 1.35rem; }
  .cta-form { flex-direction: column; }
  .cta-form .btn-primary { width: 100%; justify-content: center; }
}
/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 30px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-brand .logo {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.footer-brand .logo .logo-mark {
  background: var(--accent);
  color: var(--primary);
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.95rem;
  color: #fff;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
  padding: 6px 0;
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.35); }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
/* ========== 动画 ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-inner { animation: fadeInUp 0.7s ease both; }

/* roulang page: category1 */
:root {
            --primary: #0b1f3a;
            --primary-light: #16324f;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f6f7fb;
            --white: #ffffff;
            --text: #162033;
            --muted: #64748b;
            --border: #e5e9f2;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 40px rgba(11, 31, 58, 0.08);
            --shadow-lg: 0 24px 64px rgba(11, 31, 58, 0.14);
            --transition: 0.3s ease;
            --container: 1200px;
            --header-height: 76px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--text);
            background: var(--white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 32px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--primary);
            white-space: nowrap;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--white);
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.3);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            border-radius: 999px;
            transition: color var(--transition), background var(--transition);
        }

        .nav-link .nav-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0;
            transform: scale(0.4);
            transition: opacity 0.3s, transform 0.3s;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(11, 31, 58, 0.04);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(245, 158, 11, 0.08);
        }

        .nav-link.active .nav-dot {
            opacity: 1;
            transform: scale(1);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            margin-left: 8px;
            border-radius: 999px;
            background: var(--accent);
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.26);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(217, 119, 6, 0.32);
        }

        .page-hero {
            position: relative;
            padding: 110px 0 90px;
            background: linear-gradient(120deg, rgba(11, 31, 58, 0.92), rgba(11, 31, 58, 0.66)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: var(--white);
            overflow: hidden;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            font-size: 13px;
            letter-spacing: 0.05em;
            margin-bottom: 24px;
        }

        .page-hero h1 {
            font-size: 44px;
            line-height: 1.2;
            margin: 0 0 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .page-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            margin: 0 0 32px;
            max-width: 620px;
        }

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

        .btn-primary,
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
        }

        .btn-primary {
            background: var(--accent);
            color: var(--white);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.28);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(217, 119, 6, 0.34);
        }

        .btn-outline {
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: var(--white);
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--white);
            transform: translateY(-2px);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }

        .hero-tags span {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
        }

        .section {
            padding: 86px 0;
        }

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

        .section-head {
            max-width: 680px;
            margin-bottom: 48px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-dark);
            background: rgba(245, 158, 11, 0.1);
            padding: 5px 14px;
            border-radius: 6px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 32px;
            line-height: 1.3;
            margin: 0 0 14px;
            color: var(--primary);
            letter-spacing: -0.02em;
        }

        .section-head p {
            color: var(--muted);
            font-size: 16px;
            margin: 0;
        }

        .intro-stats {
            padding: 56px 0 70px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: -56px;
            position: relative;
            z-index: 3;
        }

        .stat-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .stat-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }

        .stat-label {
            font-size: 14px;
            color: var(--muted);
            margin-top: 8px;
        }

        .intro-text {
            max-width: 800px;
            margin: 0 auto;
            padding-top: 56px;
            text-align: center;
        }

        .intro-text h3 {
            font-size: 22px;
            color: var(--primary);
            margin: 0 0 14px;
        }

        .intro-text p {
            color: var(--muted);
            font-size: 16px;
            margin: 0 0 12px;
        }

        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .event-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .event-media {
            position: relative;
            aspect-ratio: 3 / 3.2;
            overflow: hidden;
            background: var(--primary);
        }

        .event-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .event-card:hover .event-media img {
            transform: scale(1.06);
        }

        .event-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(180deg, rgba(11, 31, 58, 0) 40%, rgba(11, 31, 58, 0.55) 100%);
        }

        .event-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 5px 14px;
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
        }

        .event-heat {
            position: absolute;
            top: 16px;
            right: 16px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 12px;
            background: rgba(245, 158, 11, 0.92);
            color: var(--white);
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }

        .event-play {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.24);
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transform: scale(0.8);
            transition: opacity 0.3s, transform 0.3s;
        }

        .event-play svg {
            width: 22px;
            height: 22px;
            fill: var(--white);
        }

        .event-card:hover .event-play {
            opacity: 1;
            transform: scale(1);
        }

        .event-body {
            padding: 26px 24px 28px;
        }

        .event-body h3 {
            font-size: 19px;
            color: var(--primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .event-body p {
            font-size: 14.5px;
            color: var(--muted);
            margin: 0 0 18px;
            line-height: 1.7;
        }

        .event-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .event-meta span {
            font-size: 13px;
            color: var(--muted);
        }

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

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

        .news-feed-wrap {
            display: grid;
            grid-template-columns: 1.1fr 1.6fr;
            gap: 36px;
            align-items: stretch;
        }

        .feature-card {
            background: var(--primary);
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
        }

        .feature-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.65;
        }

        .feature-content {
            position: relative;
            z-index: 2;
            padding: 30px;
            color: var(--white);
        }

        .feature-content h3 {
            font-size: 24px;
            line-height: 1.3;
            margin: 0 0 10px;
        }

        .feature-content p {
            font-size: 14.5px;
            color: rgba(255, 255, 255, 0.78);
            margin: 0 0 16px;
        }

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

        .news-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 22px 0;
            border-bottom: 1px solid var(--border);
            transition: padding-left var(--transition);
        }

        .news-item:first-child {
            padding-top: 0;
        }

        .news-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .news-date {
            font-size: 13px;
            color: var(--muted);
        }

        .news-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(245, 158, 11, 0.08);
            padding: 3px 10px;
            border-radius: 4px;
        }

        .news-item h4 {
            font-size: 17px;
            color: var(--primary);
            line-height: 1.4;
            margin: 4px 0 2px;
            transition: color var(--transition);
        }

        .news-item:hover h4 {
            color: var(--accent-dark);
        }

        .news-item p {
            font-size: 14px;
            color: var(--muted);
            margin: 0 0 8px;
        }

        .news-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--accent-dark);
        }

        .process-section {
            background: var(--primary);
            color: var(--white);
        }

        .process-section .section-head h2 {
            color: var(--white);
        }

        .process-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-section .section-kicker {
            background: rgba(245, 158, 11, 0.16);
            color: var(--accent);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 44px;
        }

        .process-step {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 32px 26px;
            transition: background var(--transition), transform var(--transition), border-color var(--transition);
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(245, 158, 11, 0.42);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 52px;
            font-weight: 800;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1.5px rgba(245, 158, 11, 0.6);
            margin-bottom: 20px;
            display: block;
        }

        .process-step h3 {
            font-size: 18px;
            margin: 0 0 10px;
            color: var(--white);
        }

        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.68);
            margin: 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .faq-item[open] {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            color: var(--primary);
            list-style: none;
            gap: 16px;
        }

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

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--accent-dark);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .cta-banner {
            background: linear-gradient(135deg, var(--primary), var(--primary-light)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            background-blend-mode: overlay;
            border-radius: var(--radius);
            padding: 64px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .cta-banner h2 {
            font-size: 28px;
            line-height: 1.3;
            margin: 0 0 12px;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            margin: 0;
            max-width: 500px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
        }

        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 28px;
            margin-top: 86px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo {
            color: var(--white);
            margin-bottom: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin: 0;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 15px;
            margin: 0 0 18px;
            font-weight: 600;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }

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

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }

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

        @media (max-width: 1024px) {
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

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

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

            .news-feed-wrap {
                grid-template-columns: 1fr;
            }

            .feature-card {
                min-height: 300px;
            }

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

        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                align-items: flex-start;
                height: auto;
                padding: 16px 0;
                gap: 12px;
            }

            .main-nav {
                width: 100%;
                overflow-x: auto;
                padding-bottom: 4px;
                gap: 6px;
                -webkit-overflow-scrolling: touch;
            }

            .nav-link {
                white-space: nowrap;
                padding: 8px 12px;
            }

            .nav-cta {
                white-space: nowrap;
                padding: 8px 16px;
            }

            .page-hero {
                padding: 80px 0 70px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero p {
                font-size: 15.5px;
            }

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

            .event-media {
                aspect-ratio: 16 / 11;
            }

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

            .cta-banner {
                flex-direction: column;
                text-align: center;
                padding: 48px 28px;
            }

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

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

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

            .section {
                padding: 64px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }
        }

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 20px 14px;
            }

            .stat-num {
                font-size: 30px;
            }

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

            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }

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

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

            .event-body {
                padding: 20px;
            }

            .faq-item summary {
                padding: 16px 16px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 16px 16px;
            }

            .news-item h4 {
                font-size: 16px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: article */
:root {
  --primary: #0e2a47;
  --primary-dark: #081d33;
  --primary-light: #1d4466;
  --accent: #d4a52c;
  --accent-dark: #b78a1f;
  --bg: #f4f6fa;
  --surface: #ffffff;
  --text: #1c2638;
  --text-weak: #6a7a90;
  --border: #e3e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(14, 42, 71, 0.06);
  --shadow-md: 0 10px 30px rgba(14, 42, 71, 0.09);
  --shadow-lg: 0 22px 55px rgba(14, 42, 71, 0.14);
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
  --container: 1200px;
  --header-height: 76px;
  --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; background: none; cursor: pointer; }
ul, ol { list-style: none; }
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(212, 165, 44, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--primary);
  white-space: nowrap;
}
.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #fff;
  border-radius: 11px;
  font-weight: 900;
  font-size: 18px;
  box-shadow: 0 5px 14px rgba(14, 42, 71, 0.22);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-radius: 9px;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--primary); background: rgba(14, 42, 71, 0.06); }
.nav-link.active { color: var(--primary); }
.nav-dot {
  position: absolute;
  left: 50%;
  bottom: 1px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.2s;
}
.nav-link.active .nav-dot { opacity: 1; }
.nav-cta {
  margin-left: 10px;
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border-radius: 50px;
  font-weight: 700;
  font-size: 14px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(14, 42, 71, 0.22);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 3px;
  transition: transform 0.25s, opacity 0.25s;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  transition: all 0.25s ease;
}
.btn-accent {
  background: linear-gradient(135deg, #e0b84a, var(--accent-dark));
  color: #fff;
  box-shadow: 0 10px 25px rgba(212, 165, 44, 0.35);
}
.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(212, 165, 44, 0.45);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(14, 42, 71, 0.25);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 32px rgba(14, 42, 71, 0.32);
}
.article-page { overflow: hidden; }
.article-hero {
  position: relative;
  padding: 104px 0 88px;
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(8, 29, 51, 0.96) 0%, rgba(14, 42, 71, 0.85) 50%, rgba(14, 42, 71, 0.65) 100%);
}
.article-hero .container { position: relative; z-index: 2; }
.article-hero-inner { max-width: 820px; margin: 0 auto; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 18px;
  background: rgba(212, 165, 44, 0.18);
  border: 1px solid rgba(212, 165, 44, 0.45);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: #f0d68a;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.article-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.2);
}
.hero-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 680px;
  margin: 0 auto 28px;
  line-height: 1.8;
}
.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}
.hero-meta i { color: #f0d68a; margin-right: 6px; }
.article-content-section {
  padding: 72px 0 64px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 40px;
  align-items: start;
}
.article-main-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 44px 48px;
}
.article-content-body {
  font-size: 16px;
  line-height: 1.95;
  color: #2c3850;
}
.article-content-body p { margin-bottom: 20px; }
.article-content-body h2 {
  font-size: 24px;
  color: var(--primary);
  margin: 36px 0 16px;
  font-weight: 750;
  letter-spacing: -0.3px;
}
.article-content-body h3 {
  font-size: 20px;
  color: var(--primary);
  margin: 28px 0 12px;
  font-weight: 700;
}
.article-content-body ul,
.article-content-body ol { margin: 0 0 22px 22px; }
.article-content-body ul li { list-style: disc; margin-bottom: 10px; }
.article-content-body ol li { list-style: decimal; margin-bottom: 10px; }
.article-content-body img {
  border-radius: var(--radius-md);
  margin: 28px 0;
  box-shadow: var(--shadow-md);
}
.article-content-body blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg);
  padding: 18px 22px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 26px 0;
  font-style: italic;
  color: var(--text-weak);
}
.article-content-body a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid var(--accent);
}
.article-content-body a:hover { color: var(--accent-dark); }
.article-content-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}
.article-content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 15px;
}
.article-content-body th,
.article-content-body td {
  border: 1px solid var(--border);
  padding: 11px 15px;
  text-align: left;
}
.article-content-body th {
  background: var(--bg);
  font-weight: 700;
  color: var(--primary);
}
.article-content-body code {
  background: var(--bg);
  border-radius: 5px;
  padding: 2px 8px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
}
.article-content-body pre {
  background: var(--primary-dark);
  color: #e2e8f0;
  border-radius: var(--radius-md);
  padding: 22px;
  overflow-x: auto;
  margin: 26px 0;
}
.article-inner-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 13px;
  color: var(--text-weak);
}
.tag-item i { color: var(--accent); }
.article-source {
  font-size: 13px;
  color: var(--text-weak);
}
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}
.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 26px;
}
.sidebar-card h3 {
  font-size: 17px;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg);
}
.info-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
}
.info-list li:last-child { border-bottom: none; }
.info-list span { color: var(--text-weak); }
.info-list strong { font-weight: 650; color: var(--text); text-align: right; }
.cat-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.cat-link:hover {
  background: var(--bg);
  color: var(--primary);
  transform: translateX(4px);
}
.cat-link i { color: var(--accent); font-size: 13px; }
.related-posts-section {
  padding: 72px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  text-align: center;
  margin-bottom: 44px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.4px;
}
.section-head p {
  color: var(--text-weak);
  font-size: 15px;
  margin-top: 10px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s, box-shadow 0.25s;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.related-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg);
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-cover img { transform: scale(1.04); }
.cover-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 14px;
  background: rgba(8, 29, 51, 0.78);
  color: #fff;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(6px);
}
.related-body { padding: 22px 22px 24px; }
.related-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text);
  transition: color 0.2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover .related-body h3 { color: var(--primary); }
.related-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.65;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-date {
  font-size: 13px;
  color: #94a3b8;
}
.related-date i { margin-right: 5px; color: var(--accent); }
.empty-tip {
  text-align: center;
  padding: 48px 0;
  color: var(--text-weak);
  font-size: 15px;
  background: var(--bg);
  border-radius: var(--radius-md);
}
.category-directory {
  padding: 72px 0;
}
.category-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 240px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 28px;
  color: #fff;
  transition: transform 0.25s, box-shadow 0.25s;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.category-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(8, 29, 51, 0.05) 15%, rgba(8, 29, 51, 0.9) 100%);
}
.category-number {
  position: absolute;
  top: 20px;
  right: 22px;
  z-index: 3;
  font-size: 14px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 2px;
}
.category-card h3 {
  position: relative;
  z-index: 3;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}
.category-card p {
  position: relative;
  z-index: 3;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.65;
}
.cta-section {
  position: relative;
  padding: 84px 0;
  background-size: cover;
  background-position: center;
  background-color: var(--primary);
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 29, 51, 0.93), rgba(14, 42, 71, 0.82));
}
.cta-section .container { position: relative; z-index: 1; }
.cta-card {
  text-align: center;
  color: #fff;
  max-width: 720px;
  margin: 0 auto;
}
.cta-card h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.cta-card p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}
.not-found-section {
  min-height: 64vh;
  display: flex;
  align-items: center;
  padding: 72px 0;
}
.not-found-card {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 56px 48px;
}
.not-found-code {
  display: block;
  font-size: 72px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  letter-spacing: 4px;
}
.not-found-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  background: var(--bg);
  color: var(--accent);
  border-radius: 50%;
  font-size: 28px;
  margin: 22px 0 16px;
}
.not-found-card h1 {
  font-size: 26px;
  color: var(--primary);
  margin-bottom: 12px;
}
.not-found-card p {
  color: var(--text-weak);
  font-size: 15px;
  margin-bottom: 28px;
}
.site-footer {
  background: var(--primary-dark);
  color: #b8c4d4;
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
  color: #8899ab;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: #8899ab;
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col a:hover {
  color: var(--accent);
  padding-left: 5px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  font-size: 13px;
  color: #64748b;
}
.footer-bottom a { color: #8899ab; }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .category-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-inner { gap: 10px; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    gap: 6px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-link { padding: 12px 14px; border-radius: 10px; }
  .nav-link:hover { background: var(--bg); }
  .nav-cta { margin: 8px 0 0; text-align: center; justify-content: center; }
  .article-main-card { padding: 28px; }
  .article-hero { padding: 72px 0 56px; }
  .hero-meta { flex-direction: column; gap: 8px; }
  .article-inner-footer { flex-direction: column; align-items: flex-start; }
  .cta-card h2 { font-size: 26px; }
  .not-found-card { padding: 40px 24px; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .related-grid { grid-template-columns: 1fr; }
  .category-cards { grid-template-columns: 1fr; }
  .article-sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .article-main-card { padding: 22px 18px; }
  .article-hero { padding: 56px 0 44px; }
  .article-hero h1 { font-size: 25px; }
  .hero-desc { font-size: 15px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .logo-text { font-size: 18px; }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1e3c;
            --primary-light: #1a2d50;
            --accent: #e85937;
            --accent-dark: #c94327;
            --bg: #f5f7fb;
            --bg-alt: #eef1f7;
            --white: #ffffff;
            --text: #16233a;
            --text-weak: #5e6e82;
            --border: #e3e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(15, 30, 60, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 30, 60, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; display: block; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }

        /* ===== 容器 ===== */
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
        .section-padding { padding: 96px 0; }

        /* ===== 按钮 ===== */
        .btn-primary,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            letter-spacing: 0.02em;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 89, 55, 0.3);
        }
        .btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232, 89, 55, 0.4); }
        .btn-primary:focus-visible { outline: 3px solid rgba(232, 89, 55, 0.45); outline-offset: 2px; }
        .btn-ghost {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
            backdrop-filter: blur(8px);
        }
        .btn-ghost:hover { background: rgba(255, 255, 255, 0.14); border-color: #fff; }
        .btn-ghost:focus-visible { outline: 3px solid rgba(255, 255, 255, 0.35); outline-offset: 2px; }

        /* ===== 标签徽章 ===== */
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            line-height: 1.6;
        }
        .badge-hot { background: rgba(232, 89, 55, 0.12); color: var(--accent); }
        .badge-recommend { background: rgba(59, 111, 212, 0.1); color: #3b6fd4; }
        .badge-featured { background: rgba(47, 158, 110, 0.1); color: #2f9e6e; }

        /* ===== 区块标题 ===== */
        .section-head { text-align: center; margin-bottom: 56px; }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(232, 89, 55, 0.08);
            padding: 6px 18px;
            border-radius: 30px;
        }
        .section-title { font-size: 34px; font-weight: 800; line-height: 1.3; letter-spacing: -0.01em; color: var(--primary); }
        .section-desc { font-size: 16px; color: var(--text-weak); margin-top: 12px; max-width: 600px; margin-left: auto; margin-right: auto; }

        /* ===== Header 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            height: var(--header-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }
        .main-nav { display: flex; align-items: center; gap: 32px; }
        .nav-link {
            position: relative;
            padding: 8px 2px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            white-space: nowrap;
            transition: color 0.2s;
        }
        .nav-link .nav-dot {
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0;
            transition: opacity 0.2s;
        }
        .nav-link.active { color: var(--primary); font-weight: 700; }
        .nav-link.active .nav-dot { opacity: 1; }
        .nav-link:hover { color: var(--accent); }
        .nav-link:hover .nav-dot { opacity: 0.6; }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 24px;
            border-radius: 30px;
            background: var(--accent);
            color: #fff !important;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(232, 89, 55, 0.28);
            white-space: nowrap;
        }
        .nav-cta:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232, 89, 55, 0.36); }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            background: var(--bg-alt);
            transition: var(--transition);
        }
        .nav-toggle:hover { background: var(--border); }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, rgba(15, 30, 60, 0.94), rgba(26, 45, 80, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translateX(-50%);
            width: 120px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
        }
        .hero-content { position: relative; z-index: 1; padding: 80px 24px 72px; max-width: 780px; }
        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 24px;
        }
        .breadcrumb a { color: rgba(255, 255, 255, 0.65); transition: color 0.2s; }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb-sep { color: rgba(255, 255, 255, 0.35); }
        .breadcrumb-current { color: rgba(255, 255, 255, 0.9); font-weight: 500; }
        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .hero-desc { font-size: 17px; line-height: 1.8; color: rgba(255, 255, 255, 0.82); margin-bottom: 36px; max-width: 640px; margin-left: auto; margin-right: auto; }
        .hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

        /* ===== 简介区 ===== */
        .intro-section { background: var(--white); }
        .intro-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
        }
        .intro-title { font-size: 32px; font-weight: 800; line-height: 1.3; color: var(--primary); margin-bottom: 20px; letter-spacing: -0.01em; }
        .intro-text { font-size: 16px; color: var(--text-weak); line-height: 1.85; margin-bottom: 32px; }
        .intro-stats { display: flex; gap: 40px; flex-wrap: wrap; }
        .stat-item { text-align: left; }
        .stat-number { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.2; display: block; letter-spacing: -0.02em; }
        .stat-label { font-size: 14px; color: var(--text-weak); margin-top: 4px; }
        .intro-image { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-hover); }
        .intro-image img { width: 100%; height: 420px; object-fit: cover; }
        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 30, 60, 0.18), transparent 50%);
        }

        /* ===== 指南卡片网格 ===== */
        .guides-section { background: var(--bg); }
        .guides-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .guide-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 30, 60, 0.1);
        }
        .guide-card:focus-within { outline: 3px solid rgba(232, 89, 55, 0.25); outline-offset: 2px; }
        .guide-cover { position: relative; height: 210px; overflow: hidden; background: var(--bg-alt); }
        .guide-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
        .guide-card:hover .guide-cover img { transform: scale(1.06); }
        .guide-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 1;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        .guide-body { padding: 26px 24px 28px; display: flex; flex-direction: column; flex: 1; }
        .guide-title { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.4; }
        .guide-desc { font-size: 14px; color: var(--text-weak); line-height: 1.7; flex: 1; }
        .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
        }
        .guide-link i { font-size: 13px; transition: transform 0.2s; }
        .guide-link:hover { color: var(--accent-dark); }
        .guide-link:hover i { transform: translateX(4px); }

        /* ===== 排行区 ===== */
        .ranking-section { background: var(--white); }
        .ranking-list { max-width: 860px; margin: 0 auto; }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 22px 28px;
            border-radius: var(--radius);
            background: var(--bg);
            margin-bottom: 12px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .ranking-item:hover { background: var(--bg-alt); border-left-color: var(--accent); transform: translateX(6px); }
        .ranking-num { font-size: 32px; font-weight: 800; color: rgba(15, 30, 60, 0.2); width: 56px; text-align: center; letter-spacing: -0.03em; flex-shrink: 0; }
        .ranking-item:nth-child(1) .ranking-num { color: var(--accent); }
        .ranking-item:nth-child(2) .ranking-num { color: var(--accent); }
        .ranking-item:nth-child(3) .ranking-num { color: var(--accent); }
        .ranking-info { flex: 1; min-width: 0; }
        .ranking-title { font-size: 16px; font-weight: 600; color: var(--text); line-height: 1.45; margin-bottom: 4px; }
        .ranking-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
        .ranking-tag { font-size: 12px; font-weight: 600; color: var(--text-weak); }
        .ranking-views { font-size: 13px; color: var(--text-weak); display: inline-flex; align-items: center; gap: 5px; }
        .ranking-views i { font-size: 14px; }
        .ranking-link { color: var(--accent); font-size: 14px; flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%; background: rgba(232, 89, 55, 0.08); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
        .ranking-link:hover { background: var(--accent); color: #fff; transform: rotate(-45deg); }

        /* ===== 步骤区 ===== */
        .steps-section { background: var(--bg); }
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
        .step-item {
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            position: relative;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .step-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .step-num {
            font-size: 56px;
            font-weight: 800;
            color: rgba(15, 30, 60, 0.08);
            line-height: 1;
            display: block;
            margin-bottom: 18px;
            letter-spacing: -0.04em;
            transition: color 0.3s;
        }
        .step-item:hover .step-num { color: rgba(232, 89, 55, 0.35); }
        .step-title { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
        .step-desc { font-size: 14px; color: var(--text-weak); line-height: 1.65; }

        /* ===== FAQ ===== */
        .faq-section { background: var(--white); }
        .faq-list { max-width: 820px; margin: 0 auto; }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .faq-item.active { border-color: rgba(232, 89, 55, 0.2); background: var(--white); box-shadow: var(--shadow); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 24px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color 0.2s;
            background: transparent;
        }
        .faq-question:hover { color: var(--accent); }
        .faq-question:focus-visible { outline: 3px solid rgba(232, 89, 55, 0.3); outline-offset: -2px; border-radius: var(--radius); }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(15, 30, 60, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text);
            transition: var(--transition);
        }
        .faq-item.active .faq-icon { background: var(--accent); color: #fff; transform: rotate(45deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
            padding: 0 28px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer { max-height: 300px; padding: 0 28px 24px; }

        /* ===== CTA ===== */
        .cta-section { background: var(--bg); }
        .cta-card {
            position: relative;
            border-radius: var(--radius-lg);
            padding: 72px 48px;
            text-align: center;
            color: #fff;
            background: linear-gradient(135deg, rgba(15, 30, 60, 0.96), rgba(26, 45, 80, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(232, 89, 55, 0.15);
        }
        .cta-title { font-size: 34px; font-weight: 800; line-height: 1.3; margin-bottom: 16px; letter-spacing: -0.01em; }
        .cta-desc { font-size: 16px; color: rgba(255, 255, 255, 0.78); max-width: 560px; margin: 0 auto 36px; line-height: 1.8; }
        .cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; position: relative; z-index: 1; }

        /* ===== Footer ===== */
        .site-footer { background: var(--primary); color: rgba(255, 255, 255, 0.7); padding: 72px 0 32px; }
        .footer-grid { display: grid; grid-template-columns: 1.6fr 0.8fr 0.8fr 1fr; gap: 48px; margin-bottom: 56px; }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .logo-mark { background: var(--accent); }
        .footer-brand p { font-size: 14px; line-height: 1.75; max-width: 320px; color: rgba(255, 255, 255, 0.5); }
        .footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.03em; }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            line-height: 1.6;
            transition: color 0.2s, padding-left 0.2s;
        }
        .footer-col a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a { color: rgba(255, 255, 255, 0.5); }
        .footer-bottom a:hover { color: #fff; }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1024px) {
            .section-padding { padding: 72px 0; }
            .guides-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .intro-grid { gap: 40px; }
            .hero-title { font-size: 40px; }
        }

        @media (max-width: 768px) {
            .header-inner { padding: 0 16px; }
            .nav-toggle { display: flex; }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px 24px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                box-shadow: 0 16px 32px rgba(15, 30, 60, 0.08);
            }
            .main-nav.open { display: flex; }
            .nav-link {
                padding: 12px 8px;
                font-size: 16px;
                border-bottom: 1px solid var(--bg-alt);
            }
            .nav-link .nav-dot { left: 0; transform: none; width: 4px; height: 14px; border-radius: 0 4px 4px 0; top: 50%; margin-top: -7px; }
            .nav-cta { margin-top: 12px; justify-content: center; }
            .category-hero { min-height: 360px; }
            .hero-content { padding: 60px 20px 56px; }
            .hero-title { font-size: 34px; }
            .hero-desc { font-size: 15px; }
            .hero-actions { flex-direction: column; width: 100%; max-width: 300px; margin: 0 auto; }
            .btn-primary, .btn-ghost { width: 100%; }
            .intro-grid { grid-template-columns: 1fr; gap: 32px; }
            .intro-image img { height: 280px; }
            .intro-stats { gap: 24px; }
            .section-title { font-size: 28px; }
            .cta-card { padding: 48px 28px; }
            .cta-title { font-size: 28px; }
            .ranking-item { padding: 18px 20px; gap: 16px; }
            .ranking-num { width: 40px; font-size: 26px; }
            .ranking-link { display: none; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        @media (max-width: 520px) {
            .section-padding { padding: 56px 0; }
            .guides-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .hero-title { font-size: 28px; }
            .hero-desc { font-size: 14px; }
            .intro-stat { flex-wrap: wrap; }
            .stat-number { font-size: 28px; }
            .ranking-meta { flex-direction: column; align-items: flex-start; gap: 4px; }
            .btn-primary, .btn-ghost { padding: 12px 24px; font-size: 14px; }
            .cta-card { padding: 40px 20px; }
            .faq-question { padding: 20px 20px; font-size: 15px; }
            .faq-answer { font-size: 14px; }
            .section-head { margin-bottom: 36px; }
        }

/* roulang page: category3 */
:root {
    --primary: #0e3b2e;
    --primary-dark: #082b21;
    --primary-light: #1a5844;
    --accent: #c9a24b;
    --accent-dark: #b08a36;
    --bg: #f5f3ee;
    --bg-deep: #eae7df;
    --card-bg: #ffffff;
    --text: #1a1a18;
    --text-weak: #6f6d66;
    --border: #e0ddd5;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 10px 30px rgba(14, 59, 46, 0.08);
    --shadow-hover: 0 18px 40px rgba(14, 59, 46, 0.15);
    --gap: 24px;
    --container: 1200px;
    --nav-h: 72px;
    --transition: all 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea { font-family: inherit; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header & Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-h);
    gap: 32px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text);
    white-space: nowrap;
}
.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    flex-shrink: 0;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 15px;
    color: var(--text-weak);
    font-size: 15px;
    font-weight: 500;
    border-radius: 999px;
    white-space: nowrap;
}
.nav-link .nav-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: transparent;
    transition: var(--transition);
}
.nav-link:hover { color: var(--text); background: rgba(14, 59, 46, 0.04); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active .nav-dot { background: var(--accent); box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.22); }
.nav-cta {
    margin-left: 8px;
    border: 1px solid var(--primary);
    border-radius: 999px;
    padding: 9px 22px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition);
}
.nav-cta:hover { background: var(--primary); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(14, 59, 46, 0.2); }

/* ===== Hero ===== */
.category-hero {
    position: relative;
    min-height: 470px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    overflow: hidden;
}
.category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(8, 43, 33, 0.9), rgba(14, 59, 46, 0.78) 48%, rgba(20, 72, 56, 0.68));
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
    padding: 80px 24px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.24);
    padding: 8px 18px;
    border-radius: 999px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    backdrop-filter: blur(6px);
}
.hero-title {
    font-size: 48px;
    line-height: 1.2;
    font-weight: 800;
    color: #fff;
    margin: 22px 0 16px;
    letter-spacing: -1px;
}
.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.84);
    max-width: 620px;
    margin: 0 auto 34px;
}
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    line-height: 1.2;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(201, 162, 75, 0.35); }
.btn-outline { border-color: rgba(255, 255, 255, 0.55); color: #fff; background: rgba(255, 255, 255, 0.07); backdrop-filter: blur(6px); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.16); border-color: #fff; transform: translateY(-2px); }
.btn-dark { background: var(--primary); color: #fff; }
.btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(14, 59, 46, 0.25); }

/* ===== Section ===== */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-deep); }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 52px; }
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(201, 162, 75, 0.14);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.4px;
}
.section-title { margin: 16px 0 0; font-size: 34px; line-height: 1.25; font-weight: 700; letter-spacing: -0.5px; }
.section-desc { margin: 12px 0 0; color: var(--text-weak); font-size: 16px; line-height: 1.7; }

/* ===== Benefits ===== */
.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}
.benefit-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: var(--radius);
    padding: 34px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.benefit-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(201, 162, 75, 0.35);
}
.icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(14, 59, 46, 0.08);
    color: var(--primary);
    font-size: 22px;
    transition: var(--transition);
}
.benefit-card:hover .icon-box { background: var(--primary); color: #fff; }
.benefit-card h3 { font-size: 19px; font-weight: 700; margin: 20px 0 10px; }
.benefit-card p { margin: 0; font-size: 14px; line-height: 1.75; color: var(--text-weak); }

/* ===== Masonry Posts ===== */
.post-grid { columns: 3; column-gap: var(--gap); }
.post-card {
    break-inside: avoid;
    margin-bottom: var(--gap);
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.post-cover {
    position: relative;
    aspect-ratio: 3 / 3.6;
    overflow: hidden;
}
.post-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.post-card:hover .post-cover img { transform: scale(1.05); }
.post-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    background: rgba(14, 59, 46, 0.86);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 6px 14px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
}
.post-hot {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    background: rgba(201, 162, 75, 0.95);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.post-body { padding: 20px 22px 24px; }
.post-title { font-size: 18px; font-weight: 700; line-height: 1.45; margin: 0 0 10px; }
.post-card:hover .post-title { color: var(--primary); }
.post-desc { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin: 0 0 16px; }
.post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: #9a9892;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 14px;
}

/* ===== Steps ===== */
.step-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap);
    position: relative;
}
.step-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 32px 26px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: var(--transition);
    position: relative;
}
.step-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 18px;
    box-shadow: 0 8px 20px rgba(14, 59, 46, 0.18);
}
.step-card:nth-child(even) .step-num { background: var(--accent); color: var(--primary); }
.step-card h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; }
.step-card p { margin: 0; font-size: 14px; line-height: 1.7; color: var(--text-weak); }

/* ===== Stats ===== */
.stats-section {
    background: var(--primary);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
    opacity: 0.12;
}
.stats-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}
.stat-num {
    font-size: 52px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.1;
    letter-spacing: -1px;
}
.stat-label { margin-top: 10px; color: rgba(255, 255, 255, 0.72); font-size: 15px; font-weight: 500; }

/* ===== FAQ ===== */
.faq-wrap {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: start;
}
.faq-info .section-tag { margin-bottom: 14px; }
.faq-info h2 { font-size: 34px; line-height: 1.25; font-weight: 700; margin: 0 0 14px; letter-spacing: -0.5px; }
.faq-info p { color: var(--text-weak); font-size: 15px; line-height: 1.75; margin: 0 0 24px; }
.faq-info .btn { margin-top: 8px; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
    background: var(--card-bg);
    border-radius: 14px;
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}
.faq-item.open { border-color: rgba(201, 162, 75, 0.4); box-shadow: var(--shadow-hover); }
.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(14, 59, 46, 0.08);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: var(--transition);
}
.faq-item.open .faq-icon { background: var(--accent); color: #fff; transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 24px 22px; color: var(--text-weak); font-size: 14px; line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 320px; }

/* ===== CTA ===== */
.cta-section { padding: 72px 0 96px; }
.cta-box {
    position: relative;
    border-radius: 28px;
    padding: 76px 48px;
    text-align: center;
    color: #fff;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(8, 43, 33, 0.93), rgba(14, 59, 46, 0.86)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    box-shadow: 0 24px 60px rgba(14, 59, 46, 0.25);
}
.cta-title { font-size: 36px; font-weight: 800; line-height: 1.25; margin: 0 0 14px; letter-spacing: -0.5px; }
.cta-desc { font-size: 16px; line-height: 1.7; color: rgba(255, 255, 255, 0.8); max-width: 560px; margin: 0 auto 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
    background: #0c2f25;
    color: rgba(255, 255, 255, 0.72);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand .logo { color: #fff; }
.footer-brand .logo-mark { background: var(--accent); color: var(--primary); }
.footer-brand p { margin: 18px 0 0; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.58); max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin: 0 0 16px; }
.footer-col a {
    display: inline-block;
    color: rgba(255, 255, 255, 0.56);
    font-size: 14px;
    line-height: 2.2;
    transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.46);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .benefit-grid { grid-template-columns: repeat(2, 1fr); }
    .post-grid { columns: 2; }
    .step-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .faq-wrap { grid-template-columns: 1fr; gap: 40px; }
    .hero-title { font-size: 40px; }
    .section-title { font-size: 30px; }
    .cta-title { font-size: 30px; }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        height: auto;
        padding: 16px 0 10px;
        gap: 12px;
    }
    .main-nav {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        display: flex;
        gap: 2px;
        padding-bottom: 8px;
        scrollbar-width: none;
    }
    .main-nav::-webkit-scrollbar { display: none; }
    .nav-link { padding: 8px 12px; font-size: 14px; }
    .nav-cta { margin-left: 6px; padding: 8px 18px; }
    .category-hero { min-height: 400px; }
    .hero-title { font-size: 34px; }
    .hero-subtitle { font-size: 16px; }
    .section { padding: 70px 0; }
    .benefit-grid { grid-template-columns: 1fr; }
    .post-grid { columns: 1; }
    .step-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .cta-box { padding: 56px 28px; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 520px) {
    .container { padding: 0 18px; }
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 15px; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
    .section-title { font-size: 26px; }
    .section-desc { font-size: 14px; }
    .benefit-card { padding: 26px 22px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .stat-num { font-size: 40px; }
    .cta-actions { flex-direction: column; width: 100%; }
    .cta-actions .btn { width: 100%; }
    .cta-title { font-size: 26px; }
    .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
}