/* roulang page: index */
:root {
  --bg-primary: #0E0E10;
  --bg-secondary: #16161A;
  --bg-card: #17171B;
  --bg-hover: #1F1F25;
  --bg-overlay: rgba(14, 14, 16, 0.88);
  --accent: #FF3D2E;
  --accent-hover: #FF5A3D;
  --accent-soft: rgba(255, 61, 46, 0.12);
  --gold: #C9A55C;
  --text-primary: #F5F5F7;
  --text-secondary: #A0A0AB;
  --text-tertiary: #6E6E78;
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --radius: 8px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
  --space-section: 96px;
  --font-mono: "DIN Alternate", "Roboto Mono", "SFMono-Regular", Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

input {
  font-family: inherit;
}

::selection {
  background: var(--accent);
  color: #fff;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #0B0B0D;
}

::-webkit-scrollbar-thumb {
  background: #2A2A32;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #3A3A44;
}

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

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

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-tag::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.3;
  color: var(--text-primary);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  max-width: 420px;
  text-align: right;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 64px;
  background: rgba(14, 14, 16, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(10, 10, 12, 0.96);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff;
}

.logo i {
  color: var(--accent);
  font-size: 20px;
  filter: drop-shadow(0 0 8px rgba(255, 61, 46, 0.5));
}

.logo span {
  background: linear-gradient(90deg, #fff 0%, #FFB3A8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 2px;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-link:hover {
  color: #fff;
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: #fff;
}

.nav-link.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: 15px;
  transition: all 0.2s ease;
}

.search-btn:hover {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent-soft);
}

.btn-head {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 20px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  transition: background 0.2s ease, transform 0.05s ease;
}

.btn-head:hover {
  background: var(--accent-hover);
}

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

.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
}

.hamburger-btn span {
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

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

.hamburger-btn.open span:nth-child(2) {
  opacity: 0;
}

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

.search-panel {
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: rgba(14, 14, 16, 0.97);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  backdrop-filter: blur(16px);
}

.search-panel .container {
  display: flex;
  gap: 12px;
  align-items: center;
}

.search-panel input {
  flex: 1;
  height: 44px;
  background: #1F1F25;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 0 16px;
  color: #fff;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s ease;
}

.search-panel input:focus {
  border-color: var(--accent);
}

.search-panel input::placeholder {
  color: var(--text-tertiary);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(10, 10, 12, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: 40px 24px;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-secondary);
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.mobile-menu a i {
  font-size: 16px;
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.2s ease;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: #fff;
  background: var(--bg-hover);
}

.mobile-menu a:hover i,
.mobile-menu a.active i {
  opacity: 1;
  transform: translateX(0);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 60px;
  position: relative;
  background: var(--bg-primary);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 61, 46, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  padding-right: 20px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(255, 61, 46, 0.25);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: #FF6B5E;
  letter-spacing: 1px;
  margin-bottom: 28px;
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

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

.hero h1 {
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.6s ease 0.1s forwards;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 460px;
  margin-bottom: 36px;
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.6s ease 0.25s forwards;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.6s ease 0.4s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  border-radius: 6px;
  transition: background 0.2s ease, transform 0.05s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 16px rgba(255, 61, 46, 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 20px rgba(255, 61, 46, 0.4);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-stats {
  display: flex;
  gap: 48px;
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.6s ease 0.55s forwards;
}

.hero-stats .stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stats .stat-item .num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.hero-stats .stat-item .num::after {
  content: "+";
  color: var(--accent);
}

.hero-stats .stat-item .label {
  font-size: 13px;
  color: var(--text-tertiary);
  letter-spacing: 1px;
}

.hero-visual {
  position: relative;
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-image-wrap {
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-strong);
}

.hero-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  animation: heroZoom 1s ease forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.1); }
  to { transform: scale(1); }
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(14, 14, 16, 0.7) 100%);
}

.hero-activity {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(14, 14, 16, 0.75);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 14px 16px;
}

.activity-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 1.5s ease infinite;
}

.hero-activity .activity-label {
  display: block;
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero-activity .activity-title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.hero-activity > i {
  margin-left: auto;
  color: var(--text-secondary);
  font-size: 14px;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Collection Directory ===== */
.collection-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.collection-item {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 32px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.collection-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.collection-item:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.collection-item:hover::before {
  transform: scaleY(1);
}

.collection-num {
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.25);
  line-height: 1;
  min-width: 90px;
  flex-shrink: 0;
  transition: -webkit-text-stroke-color 0.3s ease;
}

.collection-item:hover .collection-num {
  -webkit-text-stroke-color: rgba(255, 61, 46, 0.5);
}

.collection-info {
  flex: 1;
}

.collection-info h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

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

.count-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.collection-item > i {
  color: var(--text-tertiary);
  font-size: 18px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.collection-item:hover > i {
  color: var(--accent);
  transform: translateX(4px);
}

/* ===== Featured Cards ===== */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.featured-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-strong);
}

.featured-cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

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

.featured-card:hover .featured-cover img {
  transform: scale(1.03);
}

.featured-cover .cover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(14, 14, 16, 0.2);
  transition: background 0.3s ease;
}

.featured-card:hover .cover-overlay {
  background: rgba(14, 14, 16, 0.4);
}

.featured-cat {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 4px 12px;
  background: rgba(14, 14, 16, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 1px;
}

.featured-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.featured-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

.featured-card:hover .featured-body h3 {
  color: #FF6B5E;
}

.featured-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  /* max 3 lines */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

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

.featured-meta .date {
  font-size: 13px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.featured-meta .more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.featured-meta .more-link i {
  transition: transform 0.2s ease;
}

.featured-meta .more-link:hover {
  color: var(--accent);
}

.featured-meta .more-link:hover i {
  transform: translateX(4px);
}

/* ===== Latest Info Section ===== */
.latest-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}

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

.latest-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 24px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
  border-radius: var(--radius);
}

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

.latest-item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.latest-item:hover .latest-arrow {
  opacity: 1;
  transform: translateX(0);
}

.latest-arrow {
  margin-left: auto;
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.2s ease;
  color: var(--accent);
  align-self: center;
  flex-shrink: 0;
}

.latest-date-block {
  min-width: 72px;
  flex-shrink: 0;
  text-align: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 8px;
}

.latest-date-block .d {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.latest-date-block .m {
  display: block;
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.4;
  letter-spacing: 1px;
}

.latest-item-main {
  flex: 1;
}

.latest-item-main .latest-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 10px;
  border-radius: 100px;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.latest-item-main h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 6px;
  transition: color 0.2s ease;
}

.latest-item:hover .latest-item-main h3 {
  color: #FF6B5E;
}

.latest-item-main p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 32px;
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  text-align: center;
}

.empty-state i {
  font-size: 32px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 15px;
  color: var(--text-secondary);
}

/* Side panel */
.side-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.side-panel:last-child {
  margin-bottom: 0;
}

.side-panel h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.side-panel h4::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.side-top-list {
  list-style: none;
}

.side-top-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.side-top-list li:last-child {
  border-bottom: none;
}

.side-top-list li .rank {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
  color: var(--text-tertiary);
  min-width: 24px;
}

.side-top-list li:nth-child(1) .rank {
  color: var(--gold);
}

.side-top-list li:nth-child(2) .rank {
  color: var(--text-secondary);
}

.side-top-list li:nth-child(3) .rank {
  color: #CD7F32;
}

.side-top-list li .name {
  flex: 1;
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.side-top-list li:hover .name {
  color: #fff;
}

.side-top-list li .value {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
}

.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.side-tag {
  padding: 4px 12px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.side-tag:hover {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ===== Recommend ===== */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.recommend-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.recommend-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-strong);
}

.recommend-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: 10px;
  color: var(--accent);
  font-size: 17px;
  margin-bottom: 16px;
}

.recommend-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.recommend-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.recommend-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.recommend-tag {
  font-size: 12px;
  color: var(--text-tertiary);
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
}

.recommend-card:hover .recommend-tag {
  color: var(--text-secondary);
  border-color: var(--border-strong);
}

/* ===== CTA Section ===== */
.cta-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: linear-gradient(135deg, #1A1A20 0%, #141418 100%);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.cta-panel::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 61, 46, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-left {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cta-left h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 12px;
}

.cta-left p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 400px;
}

.cta-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.btn-gold:hover {
  background: rgba(201, 165, 92, 0.1);
  box-shadow: 0 0 20px rgba(201, 165, 92, 0.15);
}

.cta-right {
  position: relative;
  min-height: 320px;
}

.cta-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.cta-right .cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20, 20, 24, 0.8) 0%, transparent 50%);
}

.cta-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: rgba(14, 14, 16, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
  color: #fff;
  font-weight: 600;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 24px 8px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  text-align: left;
  transition: color 0.2s ease;
}

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

.faq-question .faq-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 13px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

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

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

.faq-answer-inner {
  padding: 0 8px 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== Footer ===== */
.site-footer {
  background: #0B0B0D;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 64px 0 32px;
  margin-top: 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-logo i {
  color: var(--accent);
}

.footer-desc {
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h5 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

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

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

.footer-col ul a {
  font-size: 14px;
  color: var(--text-tertiary);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-bottom .copyright {
  font-family: var(--font-mono);
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero {
    padding-top: 140px;
  }

  .hero-visual {
    max-width: 560px;
    margin: 0 auto;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .section-desc {
    text-align: left;
    max-width: 100%;
  }

  .latest-layout {
    grid-template-columns: 1fr;
  }

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

  .cta-panel {
    grid-template-columns: 1fr;
  }

  .cta-right {
    min-height: 240px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 56px;
  }

  .main-nav {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .btn-head {
    display: none;
  }

  .container {
    padding: 0 20px;
  }

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

  .hero {
    padding-top: 120px;
  }

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

  .hero-stats {
    gap: 32px;
  }

  .hero-stats .stat-item .num {
    font-size: 26px;
  }

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

  .collection-item {
    flex-direction: row;
    padding: 24px;
    gap: 16px;
    flex-wrap: wrap;
  }

  .collection-num {
    font-size: 48px;
    min-width: 56px;
  }

  .collection-info {
    min-width: 0;
    flex: 1;
  }

  .count-badge {
    display: none;
  }

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

  .cta-left {
    padding: 40px 24px;
  }

  .cta-left h2 {
    font-size: 24px;
  }

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

  .cta-buttons .btn-primary,
  .cta-buttons .btn-gold {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .latest-item {
    gap: 16px;
  }

  .latest-date-block {
    min-width: 56px;
    padding: 8px 6px;
  }

  .latest-date-block .d {
    font-size: 18px;
  }

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

@media (max-width: 520px) {
  .collection-item {
    padding: 20px 16px;
  }

  .collection-num {
    font-size: 36px;
    min-width: 44px;
  }

  .collection-info h3 {
    font-size: 17px;
  }

  .collection-info p {
    font-size: 13px;
  }

  .latest-item-main h3 {
    font-size: 15px;
  }

  .latest-item-main p {
    font-size: 13px;
  }

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

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

  .hero-stats {
    gap: 24px;
  }

  .hero-stats .stat-item .num {
    font-size: 22px;
  }

  .hero-stats .stat-item .label {
    font-size: 11px;
  }
}

/* roulang page: category1 */
:root {
      --bg-primary: #0E0E10;
      --bg-card: #17171B;
      --bg-hover: #1F1F25;
      --bg-footer: #0B0B0D;
      --accent-leihuo: #FF3D2E;
      --accent-leihuo-hover: #FF5A3D;
      --accent-gold: #C9A55C;
      --text-primary: #F2F2F5;
      --text-secondary: #A0A0AB;
      --text-soft: #6E6E78;
      --border-white: rgba(255, 255, 255, 0.06);
      --border-nav: rgba(255, 255, 255, 0.08);
      --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
      --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
      --radius-card: 8px;
      --font-display: 'DIN Alternate', 'Roboto Mono', 'Arial Narrow', sans-serif;
      --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.75;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

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

    /* Header / Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(14, 14, 16, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      height: 64px;
      display: flex;
      align-items: center;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }

    .header-left {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      letter-spacing: 0.02em;
      white-space: nowrap;
    }

    .brand-logo i {
      color: var(--accent-leihuo);
      font-size: 20px;
    }

    .main-nav {
      display: flex;
      gap: 28px;
    }

    .nav-link {
      font-size: 14px;
      color: var(--text-secondary);
      padding: 6px 2px;
      position: relative;
      font-weight: 500;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: #fff;
    }

    .nav-link.active {
      color: #fff;
    }

    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 100%;
      height: 2px;
      background: var(--accent-leihuo);
      border-radius: 2px;
    }

    .header-right {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .search-toggle {
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-secondary);
      border-radius: 6px;
      transition: all 0.2s ease;
      border: 1px solid transparent;
    }

    .search-toggle:hover {
      color: #fff;
      background: var(--bg-hover);
      border-color: var(--border-white);
    }

    .search-box-wrap {
      position: relative;
    }

    .search-box {
      background: #1F1F25;
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 6px;
      height: 38px;
      padding: 0 38px 0 14px;
      color: #fff;
      font-size: 13px;
      width: 240px;
      outline: none;
      transition: border-color 0.2s ease, width 0.25s ease;
    }

    .search-box:focus {
      border-color: var(--accent-leihuo);
    }

    .search-box::-webkit-input-placeholder {
      color: var(--text-soft);
    }

    .hero-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent-leihuo);
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      height: 38px;
      padding: 0 20px;
      border-radius: 6px;
      transition: background 0.2s ease;
      white-space: nowrap;
    }

    .hero-btn:hover {
      background: var(--accent-leihuo-hover);
      color: #fff;
    }

    .mobile-menu-toggle {
      display: none;
      width: 38px;
      height: 38px;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: #fff;
      border: 1px solid var(--border-white);
      border-radius: 6px;
    }

    /* Mobile nav */
    .mobile-nav {
      display: none;
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      background: rgba(14, 14, 16, 0.97);
      border-bottom: 1px solid var(--border-white);
      padding: 16px 24px 24px;
      z-index: 99;
    }

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

    .mobile-nav .nav-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 4px;
      font-size: 16px;
      border-bottom: 1px solid rgba(255,255,255,0.04);
      color: var(--text-secondary);
    }

    .mobile-nav .nav-link.active {
      color: #fff;
    }

    .mobile-nav .nav-link i {
      font-size: 14px;
      color: var(--text-soft);
    }

    .mobile-nav .nav-link:last-child {
      border-bottom: none;
    }

    /* Hero Section */
    .hero {
      padding: 0 0 80px;
      min-height: 640px;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      background: var(--bg-primary);
    }

    .hero-background {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      opacity: 0.35;
      animation: heroZoom 1.2s ease-out forwards;
    }

    .hero-background::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(14,14,16,0.95) 0%, rgba(14,14,16,0.75) 50%, rgba(14,14,16,0.35) 100%);
    }

    @keyframes heroZoom {
      from { transform: scale(1.10); }
      to { transform: scale(1); }
    }

    .hero-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 55% 45%;
      align-items: center;
      gap: 40px;
      padding-top: 64px;
    }

    .hero-left {
      animation: fadeUp 0.6s ease-out;
    }

    .hero-left .hero-tagline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--accent-leihuo);
      border: 1px solid rgba(255, 61, 46, 0.35);
      padding: 5px 14px;
      border-radius: 30px;
      margin-bottom: 24px;
      font-weight: 500;
    }

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

    .hero-left h1 span {
      color: var(--accent-leihuo);
    }

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

    .hero-cta {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent-leihuo);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      height: 48px;
      padding: 0 28px;
      border-radius: 6px;
      transition: background 0.2s ease;
    }

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

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      color: #fff;
      font-size: 15px;
      font-weight: 500;
      height: 48px;
      padding: 0 28px;
      border-radius: 6px;
      border: 1px solid rgba(255,255,255,0.25);
      transition: all 0.2s ease;
    }

    .btn-secondary:hover {
      border-color: var(--accent-leihuo);
      color: var(--accent-leihuo);
    }

    .hero-stats {
      display: flex;
      gap: 32px;
    }

    .stat-item {
      display: flex;
      flex-direction: column;
    }

    .stat-number {
      font-family: var(--font-display);
      font-size: 26px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
    }

    .stat-label {
      font-size: 12px;
      color: var(--text-soft);
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    .hero-right {
      position: relative;
      animation: fadeUp 0.8s ease-out 0.1s both;
    }

    .hero-image-wrap {
      position: relative;
      border-radius: var(--radius-card);
      overflow: hidden;
      aspect-ratio: 16/11;
    }

    .hero-image-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s;
    }

    .hero-image-wrap::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(0deg, rgba(14,14,16,0.7) 0%, transparent 50%, rgba(14,14,16,0.1) 100%);
    }

    .hero-event-badge {
      position: absolute;
      bottom: 16px;
      left: 16px;
      right: 16px;
      z-index: 2;
      background: rgba(14, 14, 16, 0.8);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 8px;
      padding: 12px 16px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .hero-event-badge .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-leihuo);
      border-radius: 50%;
      animation: pulse 2s infinite;
      flex-shrink: 0;
    }

    @keyframes pulse {
      0%, 100% { box-shadow: 0 0 0 0 rgba(255,61,46,0.4); }
      50% { box-shadow: 0 0 0 6px rgba(255,61,46,0); }
    }

    .hero-event-badge .event-text {
      font-size: 13px;
      font-weight: 500;
      color: #fff;
      line-height: 1.4;
    }

    .hero-event-badge .event-text small {
      display: block;
      color: var(--text-soft);
      font-size: 12px;
    }

    /* Section spacing */
    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background-color: #101014;
    }

    .section-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 48px;
      gap: 24px;
    }

    .section-header h2 {
      font-size: 32px;
      font-weight: 700;
      letter-spacing: -0.02em;
      line-height: 1.3;
    }

    .section-header .section-desc {
      color: var(--text-secondary);
      font-size: 14px;
      max-width: 340px;
      text-align: right;
    }

    .section-kicker {
      font-size: 12px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--accent-leihuo);
      font-weight: 600;
      display: block;
      margin-bottom: 8px;
    }

    /* Collection Index */
    .collection-list {
      display: flex;
      flex-direction: column;
      gap: 1px;
      background: var(--border-white);
      border: 1px solid var(--border-white);
      border-radius: var(--radius-card);
      overflow: hidden;
    }

    .collection-item {
      display: flex;
      align-items: center;
      gap: 32px;
      padding: 28px 32px;
      background: var(--bg-primary);
      transition: background 0.2s ease;
    }

    .collection-item:hover {
      background: var(--bg-hover);
    }

    .collection-num {
      font-family: var(--font-display);
      font-size: 64px;
      font-weight: 700;
      color: transparent;
      -webkit-text-stroke: 1px rgba(255,255,255,0.2);
      line-height: 1;
      min-width: 72px;
      text-align: center;
    }

    .collection-title {
      font-size: 20px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 4px;
    }

    .collection-count {
      font-size: 13px;
      color: var(--text-secondary);
    }

    .collection-arrow {
      margin-left: auto;
      font-size: 20px;
      color: var(--text-soft);
      transition: transform 0.2s ease, color 0.2s ease;
    }

    .collection-item:hover .collection-arrow {
      transform: translateX(4px);
      color: var(--accent-leihuo);
    }

    /* Feature Cards */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-white);
      border-radius: var(--radius-card);
      overflow: hidden;
      transition: all 0.2s ease;
      box-shadow: var(--shadow-card);
    }

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

    .feature-card-image {
      position: relative;
      aspect-ratio: 16/9;
      overflow: hidden;
    }

    .feature-card-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .feature-card:hover .feature-card-image img {
      transform: scale(1.03);
    }

    .feature-card-image::after {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(0,0,0,0.2);
      transition: background 0.2s;
    }

    .feature-card:hover .feature-card-image::after {
      background: rgba(0,0,0,0.4);
    }

    .feature-card-body {
      padding: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 500;
      color: var(--accent-leihuo);
      background: rgba(255,61,46,0.1);
      padding: 3px 10px;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .badge-gold {
      color: var(--accent-gold);
      background: rgba(201,165,92,0.1);
    }

    .feature-card h3 {
      font-size: 20px;
      font-weight: 600;
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .feature-card p {
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .feature-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,0.04);
      font-size: 12px;
      color: var(--text-soft);
    }

    .feature-meta a {
      color: var(--text-secondary);
      font-weight: 500;
      transition: color 0.2s ease;
    }

    .feature-meta a:hover {
      color: var(--accent-leihuo);
    }

    /* Latest Info */
    .latest-layout {
      display: grid;
      grid-template-columns: 1fr 320px;
      gap: 32px;
      align-items: start;
    }

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

    .latest-item {
      display: flex;
      gap: 24px;
      padding: 24px 0;
      border-bottom: 1px solid rgba(255,255,255,0.04);
      transition: border-color 0.2s ease;
    }

    .latest-item:hover {
      border-color: rgba(255,61,46,0.3);
    }

    .latest-date {
      font-family: var(--font-display);
      text-align: center;
      min-width: 60px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      padding-top: 4px;
    }

    .latest-date .day {
      font-size: 28px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
    }

    .latest-date .month {
      font-size: 12px;
      color: var(--text-soft);
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .latest-body h3 {
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 6px;
      line-height: 1.4;
    }

    .latest-body h3 a:hover {
      color: var(--accent-leihuo);
    }

    .latest-body p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .latest-tags {
      display: flex;
      gap: 8px;
    }

    .tag {
      display: inline-block;
      font-size: 11px;
      padding: 2px 8px;
      background: rgba(255,255,255,0.04);
      border-radius: 4px;
      color: var(--text-secondary);
      border: 1px solid transparent;
      transition: all 0.2s;
    }

    .tag:hover {
      color: var(--accent-leihuo);
      border-color: rgba(255,61,46,0.3);
      background: rgba(255,61,46,0.05);
    }

    .latest-sidebar {
      background: var(--bg-card);
      border: 1px solid var(--border-white);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-card);
    }

    .sidebar-title {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255,255,255,0.06);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .sidebar-title i {
      color: var(--accent-leihuo);
    }

    .sidebar-list {
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .sidebar-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255,255,255,0.03);
      font-size: 14px;
      transition: color 0.2s;
    }

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

    .sidebar-item:hover {
      color: var(--accent-leihuo);
    }

    .sidebar-rank {
      font-family: var(--font-display);
      font-size: 14px;
      font-weight: 600;
      color: var(--text-soft);
      min-width: 24px;
    }

    .sidebar-item:nth-child(1) .sidebar-rank,
    .sidebar-item:nth-child(2) .sidebar-rank,
    .sidebar-item:nth-child(3) .sidebar-rank {
      color: var(--accent-leihuo);
    }

    /* Recommendation */
    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .recommend-card {
      background: var(--bg-card);
      border: 1px solid var(--border-white);
      border-radius: var(--radius-card);
      padding: 24px;
      transition: all 0.2s ease;
    }

    .recommend-card:hover {
      background: var(--bg-hover);
      border-color: rgba(255,255,255,0.08);
      transform: translateY(-4px);
    }

    .recommend-card h3 {
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .recommend-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .recommend-card .tag {
      margin-right: 6px;
    }

    /* CTA Banner */
    .cta-section {
      padding: 80px 0;
    }

    .cta-panel {
      background: linear-gradient(120deg, #1c1c22 0%, #17171B 50%, #1f1f25 100%);
      border: 1px solid var(--border-white);
      border-radius: 12px;
      overflow: hidden;
      display: grid;
      grid-template-columns: 55% 45%;
      box-shadow: var(--shadow-card-hover);
    }

    .cta-left {
      padding: 48px 48px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .cta-left h2 {
      font-size: 30px;
      font-weight: 700;
      margin-bottom: 12px;
      letter-spacing: -0.02em;
      line-height: 1.3;
    }

    .cta-left p {
      color: var(--text-secondary);
      font-size: 15px;
      margin-bottom: 32px;
      line-height: 1.7;
      max-width: 360px;
    }

    .cta-buttons {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .btn-outline-gold {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      border: 1px solid rgba(201,165,92,0.4);
      color: var(--accent-gold);
      font-size: 14px;
      font-weight: 500;
      height: 46px;
      padding: 0 24px;
      border-radius: 6px;
      transition: background 0.2s, border-color 0.2s;
    }

    .btn-outline-gold:hover {
      background: rgba(201,165,92,0.1);
      border-color: var(--accent-gold);
    }

    .cta-right {
      background-image: url('/assets/images/coverpic/cover-1.png');
      background-size: cover;
      background-position: center;
      min-height: 300px;
      position: relative;
    }

    .cta-right::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, #17171B 0%, transparent 60%);
    }

    /* FAQ */
    .faq-section {
      padding: 80px 0;
      background: #101014;
    }

    .faq-list {
      max-width: 768px;
      margin: 0 auto;
    }

    .faq-item {
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 4px;
      font-size: 16px;
      font-weight: 500;
      color: #fff;
      text-align: left;
      transition: color 0.2s;
      background: none;
    }

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

    .faq-question .icon {
      font-size: 20px;
      color: var(--text-soft);
      transition: transform 0.2s, color 0.2s;
      flex-shrink: 0;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      padding-left: 4px;
      padding-right: 28px;
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-bottom: 20px;
    }

    /* Footer */
    .site-footer {
      background: var(--bg-footer);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 64px 0 24px;
    }

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

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-logo i {
      color: var(--accent-leihuo);
    }

    .footer-desc {
      color: var(--text-soft);
      font-size: 14px;
      line-height: 1.7;
      max-width: 320px;
    }

    .footer-col h5 {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col a {
      color: var(--text-secondary);
      font-size: 14px;
      transition: color 0.2s;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom p {
      color: var(--text-soft);
      font-size: 13px;
    }

    /* Animations */
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(12px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .animate-in {
      opacity: 0;
      transform: translateY(12px);
      transition: opacity 0.5s ease, transform 0.5s ease;
    }

    .animate-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-content {
        grid-template-columns: 1fr;
      }
      .hero-right {
        display: none;
      }
      .hero-left h1 {
        font-size: 36px;
      }
      .main-nav {
        gap: 20px;
      }
      .section-header h2 {
        font-size: 26px;
      }
      .collection-num {
        font-size: 48px;
      }
      .cta-panel {
        grid-template-columns: 1fr;
      }
      .cta-right {
        min-height: 200px;
        order: 2;
      }
    }

    @media (max-width: 768px) {
      .main-nav, .search-toggle, .hero-btn {
        display: none;
      }
      .mobile-menu-toggle {
        display: flex;
      }
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .section {
        padding: 56px 0;
      }
      .hero {
        min-height: auto;
        padding: 56px 0 56px;
      }
      .hero-left h1 {
        font-size: 30px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .hero-cta {
        flex-direction: column;
        align-items: flex-start;
      }
      .hero-cta .btn-primary,
      .hero-cta .btn-secondary {
        width: 100%;
        justify-content: center;
      }
      .hero-stats {
        gap: 24px;
      }
      .feature-grid {
        grid-template-columns: 1fr;
      }
      .section-header {
        flex-direction: column;
        align-items: flex-start;
      }
      .section-header .section-desc {
        text-align: left;
      }
      .collection-item {
        padding: 20px;
        gap: 16px;
      }
      .collection-num {
        font-size: 38px;
        min-width: 48px;
      }
      .collection-title {
        font-size: 17px;
      }
      .latest-layout {
        grid-template-columns: 1fr;
      }
      .recommend-grid {
        grid-template-columns: 1fr;
      }
      .cta-left {
        padding: 32px 24px;
      }
      .cta-left h2 {
        font-size: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 520px) {
      .hero-left h1 {
        font-size: 26px;
      }
      .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
      }
      .stat-number {
        font-size: 22px;
      }
      .collection-title {
        font-size: 15px;
      }
      .collection-count {
        font-size: 12px;
      }
      .feature-card-body {
        padding: 20px;
      }
    }

/* roulang page: article */
:root {
  --bg: #0E0E10;
  --bg-soft: #16161A;
  --bg-card: #17171B;
  --bg-hover: #1F1F25;
  --accent: #FF3D2E;
  --accent-hover: #FF5A3D;
  --accent-dark: #E63A2E;
  --gold: #C9A55C;
  --text: #E8E8EC;
  --text-soft: #A0A0AB;
  --text-dim: #6E6E78;
  --border: rgba(255,255,255,0.06);
  --border-light: rgba(255,255,255,0.1);
  --radius: 8px;
  --radius-lg: 10px;
  --shadow: 0 8px 24px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.5);
  --font-mono: "DIN Alternate", "Roboto Mono", Consolas, monospace;
  --header-h: 64px;
  --spacer: 96px;
  --spacer-mobile: 56px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

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

input {
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(14, 14, 16, 0.88);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff;
  white-space: nowrap;
}

.logo i {
  color: var(--accent);
  font-size: 20px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--text-soft);
  border-radius: 6px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
  color: #fff;
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-wrap {
  position: relative;
}

.search-toggle,
.menu-toggle {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: var(--bg-hover);
  color: var(--text-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.search-toggle:hover {
  color: #fff;
  border-color: var(--accent);
}

.search-box {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 300px;
  background: var(--bg-hover);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 8px;
  box-shadow: var(--shadow);
  display: none;
  z-index: 50;
}

.search-box.open {
  display: block;
}

.search-box input {
  width: 100%;
  height: 40px;
  background: var(--bg-soft);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 0 12px;
  color: #fff;
  outline: none;
  font-size: 14px;
  transition: border-color 0.2s ease;
}

.search-box input:focus {
  border-color: var(--accent);
}

.menu-toggle {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

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

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

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

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
}

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

.btn-sm {
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
}

.post-hero {
  position: relative;
  padding: 72px 0 56px;
  background: linear-gradient(180deg, rgba(14, 14, 16, 0.92) 0%, rgba(22, 22, 26, 0.98) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.post-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.breadcrumb a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.15);
}

.post-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  color: #fff;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  color: var(--text-soft);
  font-size: 14px;
}

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

.post-meta i {
  color: var(--accent);
  opacity: 0.85;
}

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

.post-hero-media img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
}

.post-hero-media::after {
  content: "雷火竞技专题内容";
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 4px 12px;
  font-size: 12px;
  color: #fff;
  background: rgba(14, 14, 16, 0.72);
  border-radius: 100px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.post-section {
  padding: 72px 0;
}

.post-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.post-body {
  font-size: 16px;
  color: #D8D8E0;
}

.post-body > * + * {
  margin-top: 20px;
}

.post-body h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-top: 40px;
  line-height: 1.4;
}

.post-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-top: 32px;
  line-height: 1.45;
}

.post-body h4 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-top: 28px;
}

.post-body p {
  line-height: 1.85;
}

.post-body a {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.post-body ul,
.post-body ol {
  padding-left: 24px;
}

.post-body ul {
  list-style: disc;
}

.post-body ol {
  list-style: decimal;
}

.post-body li {
  margin-bottom: 8px;
  line-height: 1.75;
}

.post-body blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  color: var(--text-soft);
  font-style: normal;
}

.post-body code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-hover);
}

.post-body pre {
  background: #0B0B0D;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
}

.post-body pre code {
  background: none;
  padding: 0;
  color: var(--text);
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.post-body th,
.post-body td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}

.post-body th {
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  font-weight: 600;
}

.post-body img {
  border-radius: 8px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
}

.post-actions {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.2s ease;
}

.tag:hover {
  border-color: var(--accent);
  color: #fff;
}

.action-group {
  display: flex;
  gap: 10px;
}

.btn-fav {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: transparent;
  color: var(--text-soft);
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-fav:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-fav.active {
  background: var(--gold);
  color: #0E0E10;
  border-color: var(--gold);
}

.btn-share {
  height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: var(--bg-hover);
  color: #fff;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-share:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.not-found {
  text-align: center;
  padding: 96px 24px;
  max-width: 560px;
  margin: 0 auto;
}

.not-found .icon {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 16px;
}

.not-found h2 {
  font-size: 24px;
  color: #fff;
  margin-bottom: 12px;
}

.not-found p {
  color: var(--text-soft);
  margin-bottom: 24px;
}

.related-section {
  padding: 72px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-top: 8px;
  letter-spacing: -0.3px;
}

.section-desc {
  color: var(--text-dim);
  font-size: 14px;
  max-width: 360px;
}

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

.related-card {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

.related-card img {
  width: 180px;
  min-height: 130px;
  object-fit: cover;
  flex-shrink: 0;
}

.related-card-body {
  flex: 1;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.related-card-body .cat-label {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 1px;
}

.related-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  transition: color 0.2s ease;
}

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

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

.related-card-body .go-link {
  font-size: 13px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.related-card-body .go-link:hover {
  color: var(--accent);
}

.cta-panel {
  position: relative;
  padding: 64px 0;
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(14, 14, 16, 0.96) 0%, rgba(14, 14, 16, 0.78) 100%), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
}

.cta-card {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 48px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow);
}

.cta-card h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.cta-card p {
  color: var(--text-soft);
  font-size: 14px;
  max-width: 480px;
}

.site-footer {
  background: #0B0B0D;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.footer-logo i {
  color: var(--accent);
}

.footer-desc {
  color: var(--text-dim);
  font-size: 13px;
  max-width: 320px;
  margin-top: 16px;
  line-height: 1.7;
}

.footer-col h5 {
  color: #fff;
  font-size: 14px;
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-col li + li {
  margin-top: 10px;
}

.footer-col a {
  color: var(--text-soft);
  font-size: 14px;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  font-size: 13px;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(14, 14, 16, 0.98);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 32px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu .close-btn {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: var(--bg-hover);
  color: #fff;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 4px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--accent);
  padding-left: 8px;
}

.mobile-nav-link i {
  font-size: 16px;
  color: var(--text-dim);
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 1024px) {
  .main-nav {
    gap: 0;
  }

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

  .post-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .post-hero-media {
    max-width: 520px;
  }

  .related-card img {
    width: 150px;
  }
}

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .header-actions .btn {
    display: none;
  }

  .post-hero {
    padding: 48px 0 40px;
  }

  .post-title {
    font-size: 28px;
  }

  .post-section {
    padding: 48px 0;
  }

  .post-container {
    padding: 0 16px;
  }

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

  .related-card {
    flex-direction: column;
  }

  .related-card img {
    width: 100%;
    height: 160px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 28px;
  }

  .section-title {
    font-size: 26px;
  }

  .cta-card {
    padding: 28px 24px;
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .post-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .action-group {
    width: 100%;
  }

  .btn-share {
    flex: 1;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .search-box {
    width: 260px;
    right: -60px;
  }

  .post-meta {
    gap: 10px 16px;
    font-size: 13px;
  }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
    :root {
      --bg-dark: #0E0E10;
      --bg-carbon: #16161A;
      --bg-card: #17171B;
      --bg-hover: #1F1F25;
      --accent: #FF3D2E;
      --accent-hover: #FF5A3D;
      --accent-deep: #E63A2E;
      --gold: #C9A55C;
      --text-light: #F0F0F2;
      --text-body: #C8C8D0;
      --text-muted: #A0A0AB;
      --border-light: rgba(255, 255, 255, 0.06);
      --border-mid: rgba(255, 255, 255, 0.08);
      --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
      --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
      --radius: 8px;
      --font-mono: 'Roboto Mono', 'DIN Alternate', 'SF Mono', Consolas, monospace;
      --font-cn: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    }

    /* ===== 基础 reset ===== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-cn);
      background: var(--bg-dark);
      color: var(--text-light);
      font-size: 15px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    img {
      max-width: 100%;
      display: block;
      border-radius: var(--radius);
    }

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

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

    input {
      font-family: inherit;
      border: none;
      outline: none;
      background: transparent;
      color: var(--text-light);
    }

    input::placeholder {
      color: var(--text-muted);
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 28px;
    }

    .section-block {
      padding: 96px 0;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.3;
      color: var(--text-light);
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
      margin-top: 8px;
      line-height: 1.7;
    }

    .num-font {
      font-family: var(--font-mono);
      font-feature-settings: 'tnum';
      letter-spacing: 0.02em;
    }

    /* ===== Header / 导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      height: 64px;
      background: rgba(14, 14, 16, 0.88);
      -webkit-backdrop-filter: blur(12px);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-mid);
    }

    .header-inner {
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--text-light);
      flex-shrink: 0;
    }

    .brand-logo i {
      color: var(--accent);
      font-size: 22px;
      transform: scale(1.1);
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 32px;
      margin-left: auto;
    }

    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 6px 2px;
      position: relative;
      transition: color 0.2s ease;
      white-space: nowrap;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: width 0.2s ease;
    }

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

    .nav-link:hover::after {
      width: 100%;
    }

    .nav-link.active {
      color: var(--text-light);
    }

    .nav-link.active::after {
      width: 100%;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .search-toggle,
    .nav-toggle {
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      color: var(--text-muted);
      font-size: 16px;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .search-toggle:hover,
    .nav-toggle:hover {
      background: var(--bg-hover);
      color: var(--text-light);
    }

    .search-box {
      position: absolute;
      top: 64px;
      right: 28px;
      width: 320px;
      background: var(--bg-hover);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius);
      padding: 0 16px;
      height: 44px;
      display: none;
      align-items: center;
      gap: 10px;
      box-shadow: var(--shadow-card);
      z-index: 999;
    }

    .search-box.open {
      display: flex;
    }

    .search-box input {
      flex: 1;
      font-size: 14px;
      color: var(--text-light);
    }

    .search-box i {
      color: var(--text-muted);
      font-size: 14px;
    }

    .nav-toggle {
      display: none;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 48px;
      padding: 0 24px;
      border-radius: 6px;
      font-size: 15px;
      font-weight: 600;
      transition: all 0.2s ease;
      white-space: nowrap;
    }

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

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

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

    .btn-ghost {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: var(--text-light);
    }

    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--accent);
    }

    .btn-sm {
      height: 38px;
      padding: 0 18px;
      font-size: 13px;
      border-radius: 5px;
    }

    .btn-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-light);
      border-bottom: 1px solid transparent;
      transition: all 0.2s ease;
    }

    .btn-link:hover {
      color: var(--accent);
      border-bottom-color: var(--accent);
    }

    .btn-link:hover i {
      transform: translateX(4px);
    }

    .btn-link i {
      transition: transform 0.2s ease;
    }

    /* ===== Hero 分类页 ===== */
    .category-hero {
      position: relative;
      padding: 80px 0 72px;
      background: linear-gradient(135deg, #0E0E10 0%, #16161A 100%);
      border-bottom: 1px solid var(--border-light);
    }

    .category-hero-grid {
      display: grid;
      grid-template-columns: 55% 45%;
      gap: 48px;
      align-items: center;
    }

    .tag-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.08em;
      color: var(--accent);
      text-transform: uppercase;
      padding: 6px 14px;
      border: 1px solid rgba(255, 61, 46, 0.3);
      border-radius: 4px;
      background: rgba(255, 61, 46, 0.06);
      font-family: var(--font-mono);
    }

    .category-hero h1 {
      font-size: 48px;
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.15;
      margin-top: 20px;
      color: var(--text-light);
    }

    .hero-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-top: 16px;
      max-width: 480px;
    }

    .hero-actions {
      display: flex;
      gap: 12px;
      margin-top: 28px;
      flex-wrap: wrap;
    }

    .trust-bar {
      display: flex;
      gap: 28px;
      margin-top: 36px;
      padding-top: 24px;
      border-top: 1px solid var(--border-light);
    }

    .trust-bar span {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .trust-bar b {
      font-family: var(--font-mono);
      font-size: 18px;
      color: var(--text-light);
      font-weight: 700;
    }

    .hero-visual {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .hero-visual img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      border-radius: var(--radius);
    }

    .visual-tag {
      position: absolute;
      bottom: 16px;
      left: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
      background: rgba(14, 14, 16, 0.8);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 13px;
      color: var(--text-light);
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    .visual-tag i {
      color: var(--accent);
    }

    /* ===== 主题封面区 ===== */
    .feature-banner {
      padding: 96px 0 0;
    }

    .feature-banner-inner {
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      min-height: 360px;
      display: flex;
      align-items: flex-end;
      box-shadow: var(--shadow-card);
    }

    .feature-banner-inner img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
    }

    .banner-overlay {
      position: relative;
      width: 100%;
      padding: 48px 40px;
      background: linear-gradient(135deg, rgba(14, 14, 16, 0.85) 0%, rgba(14, 14, 16, 0.4) 60%, rgba(14, 14, 16, 0.1) 100%);
    }

    .banner-label {
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--accent);
    }

    .banner-content h2 {
      font-size: 30px;
      font-weight: 800;
      margin-top: 8px;
      color: var(--text-light);
      letter-spacing: -0.02em;
    }

    .banner-content p {
      font-size: 14px;
      color: var(--text-body);
      margin-top: 8px;
      max-width: 560px;
    }

    .banner-meta {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-top: 20px;
      flex-wrap: wrap;
    }

    .banner-meta span {
      font-family: var(--font-mono);
      font-size: 13px;
      color: var(--text-body);
      background: rgba(255, 255, 255, 0.06);
      padding: 4px 12px;
      border-radius: 4px;
    }

    .banner-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-light);
      transition: color 0.2s ease;
    }

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

    .banner-link i {
      transition: transform 0.2s ease;
    }

    .banner-link:hover i {
      transform: translateX(4px);
    }

    /* ===== 核心攻略方向 ===== */
    .directions-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 48px;
    }

    .direction-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 32px 28px;
      transition: all 0.2s ease;
      position: relative;
      overflow: hidden;
    }

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

    .direction-card .dir-icon {
      width: 46px;
      height: 46px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 61, 46, 0.1);
      color: var(--accent);
      font-size: 20px;
      margin-bottom: 18px;
    }

    .direction-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 10px;
      letter-spacing: -0.01em;
    }

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

    .direction-card .dir-num {
      position: absolute;
      top: 16px;
      right: 20px;
      font-family: var(--font-mono);
      font-size: 42px;
      font-weight: 800;
      color: transparent;
      -webkit-text-stroke: 1px rgba(255, 255, 255, 0.12);
      line-height: 1;
    }

    /* ===== 实战流程 ===== */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 48px;
      position: relative;
    }

    .process-steps::before {
      content: '';
      position: absolute;
      top: 32px;
      left: 8%;
      right: 8%;
      height: 1px;
      background: linear-gradient(90deg, var(--accent) 0%, rgba(255, 255, 255, 0.12) 100%);
      z-index: 0;
    }

    .process-step {
      position: relative;
      z-index: 1;
      text-align: center;
      padding: 0 8px;
    }

    .step-num {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-mono);
      font-size: 20px;
      font-weight: 700;
      color: var(--accent);
      margin: 0 auto 16px;
      box-shadow: var(--shadow-card);
    }

    .process-step h3 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* ===== 热门攻略条目 ===== */
    .hot-guides-layout {
      display: grid;
      grid-template-columns: 1fr 340px;
      gap: 40px;
      margin-top: 48px;
    }

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

    .guide-item {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      padding: 24px 0;
      border-bottom: 1px solid var(--border-light);
      transition: border-color 0.2s ease;
    }

    .guide-item:hover {
      border-bottom-color: var(--accent);
    }

    .guide-date {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.04);
      padding: 4px 10px;
      border-radius: 4px;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .guide-content {
      flex: 1;
    }

    .guide-tags {
      display: flex;
      gap: 8px;
      margin-bottom: 6px;
      flex-wrap: wrap;
    }

    .guide-tag {
      font-size: 11px;
      font-weight: 500;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.05);
      padding: 2px 10px;
      border-radius: 3px;
      letter-spacing: 0.02em;
    }

    .guide-tag.hot {
      color: var(--accent);
      background: rgba(255, 61, 46, 0.08);
    }

    .guide-item h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 6px;
      line-height: 1.5;
      letter-spacing: -0.01em;
    }

    .guide-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 8px;
    }

    .guide-link {
      font-size: 13px;
      font-weight: 500;
      color: var(--text-body);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: color 0.2s ease;
    }

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

    .guide-link i {
      font-size: 11px;
      transition: transform 0.2s ease;
    }

    .guide-link:hover i {
      transform: translateX(4px);
    }

    /* 侧栏面板 */
    .tools-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: 10px;
      padding: 28px 24px;
      position: sticky;
      top: 88px;
      box-shadow: var(--shadow-card);
    }

    .tools-panel h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 4px;
    }

    .tools-panel .panel-sub {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .tool-item {
      display: flex;
      gap: 14px;
      padding: 14px 0;
      border-bottom: 1px solid var(--border-light);
      align-items: flex-start;
    }

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

    .tool-item .tool-icon {
      width: 36px;
      height: 36px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.05);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--gold);
      font-size: 15px;
      flex-shrink: 0;
    }

    .tool-item h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 2px;
    }

    .tool-item p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ===== 数据指标 ===== */
    .stats-band {
      background: var(--bg-carbon);
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
      padding: 64px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .stat-item .stat-num {
      font-family: var(--font-mono);
      font-size: 40px;
      font-weight: 800;
      color: var(--text-light);
      line-height: 1.2;
    }

    .stat-item .stat-num span {
      color: var(--accent);
    }

    .stat-item .stat-label {
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 8px;
      letter-spacing: 0.04em;
    }

    .stat-divider {
      width: 1px;
      height: 48px;
      background: var(--border-light);
      margin: 0 auto;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 760px;
      margin: 48px auto 0;
    }

    .faq-item {
      border-bottom: 1px solid var(--border-light);
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 0;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-light);
      text-align: left;
      transition: color 0.2s ease;
    }

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

    .faq-question .faq-icon {
      font-size: 18px;
      color: var(--accent);
      transition: transform 0.2s ease;
      flex-shrink: 0;
      margin-left: 12px;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      padding: 0;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding-bottom: 20px;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 96px 0;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      border-radius: 12px;
      overflow: hidden;
      background: linear-gradient(135deg, #16161A 0%, #1F1F25 100%);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-card);
    }

    .cta-content {
      padding: 48px 56px;
    }

    .cta-content h2 {
      font-size: 30px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--text-light);
      line-height: 1.3;
    }

    .cta-content p {
      font-size: 14px;
      color: var(--text-muted);
      margin-top: 14px;
      line-height: 1.7;
    }

    .cta-actions {
      display: flex;
      gap: 14px;
      margin-top: 28px;
      flex-wrap: wrap;
    }

    .cta-visual {
      position: relative;
      min-height: 260px;
      overflow: hidden;
    }

    .cta-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
    }

    .cta-visual::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(14, 14, 16, 0.5) 0%, transparent 100%);
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: #0B0B0D;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 64px 0 32px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 48px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-light);
    }

    .footer-logo i {
      color: var(--accent);
      font-size: 22px;
    }

    .footer-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-top: 14px;
      max-width: 380px;
    }

    .footer-col h5 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 14px;
      letter-spacing: 0.02em;
    }

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

    .footer-col ul li {
      margin-bottom: 8px;
    }

    .footer-col ul a {
      font-size: 13px;
      color: var(--text-muted);
      transition: color 0.2s ease;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 48px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .footer-bottom .copyright {
      font-size: 13px;
      color: var(--text-muted);
    }

    .footer-bottom p:last-child {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* ===== 滚动动画 ===== */
    .reveal {
      opacity: 0;
      transform: translateY(12px);
      transition: opacity 0.5s ease, transform 0.5s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .category-hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .hero-visual img {
        height: 260px;
      }

      .hot-guides-layout {
        grid-template-columns: 1fr;
      }

      .tools-panel {
        position: static;
        margin-top: 32px;
      }
    }

    @media (max-width: 768px) {
      .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(14, 14, 16, 0.97);
        padding: 24px 28px;
        gap: 16px;
        border-bottom: 1px solid var(--border-light);
        transform: translateY(-120%);
        transition: transform 0.3s ease;
        z-index: 999;
        align-items: flex-start;
      }

      .main-nav.open {
        transform: translateY(0);
      }

      .main-nav .nav-link {
        font-size: 16px;
        padding: 8px 0;
      }

      .nav-toggle {
        display: flex;
      }

      .section-block {
        padding: 56px 0;
      }

      .section-title {
        font-size: 26px;
      }

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

      .process-steps {
        grid-template-columns: 1fr 1fr;
        gap: 28px 16px;
      }

      .process-steps::before {
        display: none;
      }

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

      .stats-grid .stat-divider {
        display: none;
      }

      .cta-panel {
        grid-template-columns: 1fr;
      }

      .cta-content {
        padding: 36px 28px;
      }

      .cta-visual {
        min-height: 180px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .category-hero h1 {
        font-size: 34px;
      }

      .category-hero {
        padding: 48px 0 56px;
      }

      .search-box {
        left: 16px;
        right: 16px;
        width: auto;
      }

      .trust-bar {
        flex-wrap: wrap;
        gap: 16px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }

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

      .hero-actions .btn {
        width: 100%;
        justify-content: center;
      }

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

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

      .banner-overlay {
        padding: 32px 24px;
      }

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

/* roulang page: category3 */
:root {
  --bg-primary: #0E0E10;
  --bg-secondary: #16161A;
  --bg-card: #17171B;
  --bg-hover: #1F1F25;
  --accent: #FF3D2E;
  --accent-hover: #FF5A3D;
  --accent-dark: #E63A2E;
  --gold: #C9A55C;
  --text-primary: #F0F0F2;
  --text-secondary: #A0A0AB;
  --text-muted: #6B6B76;
  --border: rgba(255,255,255,0.06);
  --border-light: rgba(255,255,255,0.1);
  --radius: 8px;
  --shadow: 0 8px 24px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.5);
  --font-mono: "DIN Alternate", "Roboto Mono", "Courier New", monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-primary);
  color:var(--text-primary);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:all 0.2s ease}
img{max-width:100%;display:block}
button{background:none;border:none;cursor:pointer;font-family:inherit;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  height:64px;
  background:rgba(14,14,16,0.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.site-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:0.5px;color:#fff;flex-shrink:0}
.site-logo i{color:var(--accent);font-size:22px}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-link{
  padding:8px 16px;
  font-size:14px;
  font-weight:500;
  color:var(--text-secondary);
  border-radius:6px;
  position:relative;
  transition:all 0.2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,0.04)}
.nav-link.active{color:var(--accent);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-wrap{position:relative}
.search-toggle{
  width:36px;height:36px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-secondary);font-size:15px;
  transition:all 0.2s ease;
}
.search-toggle:hover{background:rgba(255,255,255,0.06);color:#fff}
.search-box{
  position:absolute;right:0;top:calc(100% + 10px);
  width:280px;padding:12px;
  background:var(--bg-hover);
  border:1px solid var(--border-light);
  border-radius:8px;
  box-shadow:0 12px 32px rgba(0,0,0,0.5);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:all 0.2s ease;
}
.search-box.open{opacity:1;visibility:visible;transform:translateY(0)}
.search-box input{
  width:100%;height:38px;padding:0 14px;border-radius:6px;
  background:var(--bg-secondary);border:1px solid var(--border-light);
  color:#fff;font-size:14px;outline:none;
}
.search-box input:focus{border-color:var(--accent)}
.menu-toggle{display:none;width:36px;height:36px;border-radius:6px;align-items:center;justify-content:center;color:var(--text-secondary);font-size:16px}
.menu-toggle:hover{background:rgba(255,255,255,0.06);color:#fff}

/* Mobile Menu */
.mobile-menu{
  display:none;position:fixed;top:64px;left:0;right:0;z-index:99;
  background:rgba(14,14,16,0.97);border-bottom:1px solid var(--border);
  padding:16px 24px 24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:all 0.25s ease;
}
.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-link{
  display:flex;align-items:center;gap:12px;padding:14px 8px;
  font-size:16px;font-weight:500;color:var(--text-secondary);
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.mobile-link:last-child{border-bottom:none}
.mobile-link:hover{color:#fff}
.mobile-link.active{color:var(--accent)}
.mobile-link i{font-size:12px;color:var(--text-muted)}

/* Section spacing */
.section-pad{padding:96px 0}
.section-head{margin-bottom:48px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:20px;height:2px;background:var(--accent)}
.section-head h2{font-size:32px;font-weight:800;line-height:1.3;letter-spacing:-0.5px;color:#fff;margin-bottom:8px}
.section-head p{color:var(--text-muted);font-size:15px;max-width:560px}

/* Buttons */
.btn-primary,.btn-outline,.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  padding:0 24px;height:48px;border-radius:6px;
  font-size:14px;font-weight:600;transition:all 0.2s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border:1px solid rgba(255,255,255,0.5);color:#fff;background:transparent}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-text{padding:0;height:auto;font-size:14px;font-weight:500;color:var(--text-secondary)}
.btn-text:hover{color:var(--accent)}
.btn-text i{transition:transform 0.2s ease}
.btn-text:hover i{transform:translateX(4px)}

/* Hero */
.cat-hero{
  padding:80px 0 64px;
  background:
    linear-gradient(rgba(14,14,16,0.92), rgba(14,14,16,0.98)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--border);
}
.cat-hero .hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:100px;
  background:rgba(255,61,46,0.12);
  border:1px solid rgba(255,61,46,0.3);
  color:var(--accent);font-size:12px;font-weight:600;letter-spacing:1px;
  margin-bottom:20px;
}
.cat-hero h1{font-size:44px;font-weight:800;line-height:1.2;letter-spacing:-1px;color:#fff;margin-bottom:16px}
.cat-hero .hero-sub{font-size:17px;color:var(--text-secondary);max-width:440px;margin-bottom:32px}
.hero-stats{display:flex;gap:32px;margin-top:8px}
.hero-stats .stat{display:flex;flex-direction:column}
.hero-stats .stat .num{font-family:var(--font-mono);font-size:28px;font-weight:700;color:#fff;line-height:1.2}
.hero-stats .stat .label{font-size:12px;color:var(--text-muted);letter-spacing:1px}
.cat-hero .hero-summary{
  font-size:15px;color:var(--text-secondary);line-height:1.9;
  border-left:2px solid var(--accent);padding-left:20px;margin-bottom:28px;
}
.hero-links{display:flex;flex-direction:column;gap:12px}
.hero-links a{font-size:14px;color:var(--text-secondary);transition:all 0.2s ease}
.hero-links a:hover{color:var(--accent)}
.hero-links a i{margin-left:6px;font-size:12px}

/* Theme Cover */
.theme-cover{padding:96px 0 0}
.cover-banner{
  position:relative;border-radius:12px;overflow:hidden;
  height:420px;box-shadow:var(--shadow);
}
.cover-banner img{width:100%;height:100%;object-fit:cover;transition:transform 1s ease}
.cover-banner:hover img{transform:scale(1.03)}
.cover-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(14,14,16,0.92) 0%, rgba(14,14,16,0.4) 50%, rgba(14,14,16,0.6) 100%);
}
.cover-content{
  position:absolute;left:48px;bottom:48px;max-width:480px;
}
.cover-label{
  display:inline-block;padding:6px 14px;border-radius:100px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:1px;
  margin-bottom:16px;
}
.cover-content h3{font-size:32px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:8px}
.cover-content p{color:rgba(255,255,255,0.85);font-size:15px;line-height:1.8}
.cover-count{
  display:inline-block;margin-top:16px;padding:4px 12px;
  background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.2);
  border-radius:6px;color:#fff;font-size:13px;font-family:var(--font-mono);
}

/* Content Area Cards */
.area-card{
  display:flex;flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:all 0.2s ease;
}
.area-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
  background:var(--bg-hover);
}
.area-card .card-img{position:relative;overflow:hidden;height:200px}
.area-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.area-card:hover .card-img img{transform:scale(1.05)}
.area-card .card-img .img-overlay{
  position:absolute;inset:0;background:rgba(14,14,16,0.2);transition:all 0.2s ease;
}
.area-card:hover .card-img .img-overlay{background:rgba(14,14,16,0.4)}
.area-card .card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.area-card .card-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--accent);
  margin-bottom:10px;
}
.area-card .card-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.area-card h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:10px}
.area-card p{font-size:14px;color:var(--text-secondary);line-height:1.7}
.area-card .card-link{
  margin-top:auto;padding-top:16px;font-size:13px;font-weight:600;color:var(--text-muted);
  display:inline-flex;align-items:center;gap:8px;transition:all 0.2s ease;
}
.area-card .card-link i{font-size:11px;transition:transform 0.2s ease}
.area-card:hover .card-link{color:var(--accent)}
.area-card:hover .card-link i{transform:translateX(4px)}

/* Featured Items List */
.item-list{display:flex;flex-direction:column}
.item-row{
  display:flex;align-items:flex-start;gap:28px;
  padding:28px 0;
  border-bottom:1px solid var(--border);
  transition:all 0.2s ease;
}
.item-row:last-child{border-bottom:none}
.item-row:hover{border-bottom-color:rgba(255,61,46,0.3)}
.item-row .item-date{
  font-family:var(--font-mono);font-size:14px;color:var(--text-muted);
  white-space:nowrap;padding-top:4px;min-width:90px;
}
.item-row .item-main{flex:1}
.item-row .item-tag{
  display:inline-block;padding:2px 10px;border-radius:4px;
  background:rgba(255,255,255,0.06);border:1px solid var(--border-light);
  font-size:11px;color:var(--text-secondary);margin-bottom:6px;letter-spacing:0.5px;
}
.item-row h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:6px;transition:color 0.2s ease}
.item-row:hover h3{color:var(--accent)}
.item-row .item-desc{font-size:14px;color:var(--text-secondary);line-height:1.7;max-width:640px}
.item-row .item-arrow{color:var(--text-muted);font-size:16px;padding-top:8px;transition:all 0.2s ease}
.item-row:hover .item-arrow{color:var(--accent);transform:translateX(4px)}

/* Data Highlights */
.data-highlights{
  background:var(--bg-secondary);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:64px 0}
.data-item{text-align:center;padding:24px 16px;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border)}
.data-item .data-num{
  display:block;font-family:var(--font-mono);font-size:40px;font-weight:800;
  color:var(--accent);line-height:1.2;margin-bottom:6px;
}
.data-item .data-label{font-size:13px;color:var(--text-secondary);letter-spacing:1px}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:24px 0;cursor:pointer;
}
.faq-question h3{font-size:16px;font-weight:600;color:#fff;transition:color 0.2s ease}
.faq-question .faq-icon{
  width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.06);color:var(--text-secondary);
  font-size:13px;transition:all 0.3s ease;flex-shrink:0;
}
.faq-item.open .faq-question h3{color:var(--accent)}
.faq-item.open .faq-icon{background:var(--accent);color:#fff;transform:rotate(45deg)}
.faq-content{max-height:0;overflow:hidden;transition:max-height 0.3s ease}
.faq-content p{padding-bottom:24px;font-size:14px;color:var(--text-secondary);line-height:1.8}

/* CTA */
.cta-section{padding:56px 0 96px}
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:linear-gradient(120deg, #1F1F25 0%, #17171B 100%);
  border:1px solid var(--border);border-radius:12px;
  padding:48px;box-shadow:var(--shadow);
}
.cta-box h3{font-size:24px;font-weight:800;color:#fff;margin-bottom:8px}
.cta-box p{color:var(--text-secondary);font-size:14px}
.cta-actions{display:flex;gap:16px;flex-shrink:0}

/* Footer */
.site-footer{
  background:#0B0B0D;
  border-top:1px solid rgba(255,255,255,0.08);
  padding:56px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-logo i{color:var(--accent);font-size:20px}
.footer-desc{color:var(--text-muted);font-size:14px;line-height:1.8;max-width:360px}
.footer-col h5{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:1px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-secondary)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
}
.copyright{font-size:13px;color:var(--text-muted)}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 0.6s ease,transform 0.6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media (max-width:1024px){
  .container{padding:0 20px}
  .main-nav{display:none}
  .menu-toggle{display:flex}
  .mobile-menu{display:block}
  .section-pad{padding:72px 0}
  .cat-hero{padding:64px 0 48px}
  .cat-hero h1{font-size:36px}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .cover-banner{height:360px}
}
@media (max-width:768px){
  .section-pad{padding:56px 0}
  .cat-hero{padding:48px 0 40px}
  .cat-hero h1{font-size:30px}
  .hero-stats{flex-wrap:wrap;gap:20px}
  .hero-stats .stat .num{font-size:24px}
  .cover-banner{height:300px}
  .cover-content{left:24px;right:24px;bottom:24px}
  .cover-content h3{font-size:24px}
  .area-card .card-body{padding:20px}
  .item-row{flex-direction:column;gap:8px;padding:20px 0}
  .item-row .item-date{min-width:0;font-size:12px}
  .cta-box{flex-direction:column;text-align:center;padding:32px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section-head h2{font-size:26px}
  .data-grid{grid-template-columns:1fr 1fr;gap:12px}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn-primary,.cta-actions .btn-outline{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr}
}