/* roulang page: index */
:root {
  --bg-base: #0A0E14;
  --bg-elevated: #111822;
  --bg-card: #141C28;
  --border-line: rgba(255,255,255,0.08);
  --text-primary: #ECE9E4;
  --text-secondary: #98A2B3;
  --text-muted: #5F6B7A;
  --brand-blue: #00509E;
  --brand-gold: #C8A96A;
  --brand-gold-hover: #DDBC7E;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.55);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }

/* ===== 顶部信息条 ===== */
.topbar {
  height: 32px;
  background: #0A0E14;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  color: #5F6B7A;
}
.topbar .topbar-links {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #98A2B3;
}
.topbar .topbar-links span {
  color: #5F6B7A;
  cursor: pointer;
  transition: color .2s;
}
.topbar .topbar-links span:hover { color: var(--brand-gold); }
.topbar-divider { width: 1px; height: 12px; background: rgba(255,255,255,0.12); }
@media (max-width: 768px) {
  .topbar .topbar-links { display: none; }
  .topbar { justify-content: center; }
}

/* ===== 主导航 ===== */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 64px;
  background: rgba(10,14,20,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-line);
  transition: background .3s ease;
}
.main-nav.scrolled {
  background: rgba(10,14,20,0.98);
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 2px;
  white-space: nowrap;
}
.logo .gold { color: var(--brand-gold); }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-menu li { position: relative; }
.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: #98A2B3;
  padding: 20px 0;
  transition: color .2s ease;
  letter-spacing: 0.02em;
}
.nav-menu a:hover {
  color: #ECE9E4;
}
.nav-menu li.active a {
  color: #ECE9E4;
}
.nav-menu li.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--brand-gold);
  border-radius: 2px 2px 0 0;
}
.nav-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  height: 36px;
  padding: 0 14px;
  gap: 8px;
  color: #5F6B7A;
  transition: border .2s;
}
.nav-search:hover {
  border-color: rgba(200,169,106,0.4);
}
.nav-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 14px;
  width: 110px;
  font-family: inherit;
}
.nav-search input::placeholder { color: #5F6B7A; }
.nav-search svg { width: 16px; height: 16px; flex-shrink: 0; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all .3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,14,20,0.98);
  z-index: 40;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color .2s;
}
.mobile-menu a:hover { color: var(--brand-gold); }
.mobile-menu a.active { color: var(--brand-gold); }
.mobile-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 10px 18px;
  width: 240px;
  margin-top: 8px;
}
.mobile-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  width: 100%;
}
.mobile-search input::placeholder { color: #5F6B7A; }

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hamburger { display: flex; }
  .nav-container { padding: 0 16px; }
  .logo { font-size: 1rem; }
}

/* ===== Hero ===== */
.hero {
  min-height: 85vh;
  position: relative;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-bg);
  background-size: cover;
  background-position: center;
  animation: heroZoom 20s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,14,20,0.3) 0%,
    rgba(10,14,20,0.55) 40%,
    rgba(10,14,20,0.92) 100%
  );
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #ECE9E4;
  line-height: 1.15;
  max-width: 760px;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--brand-gold);
  font-weight: 500;
  margin-top: 14px;
  letter-spacing: 0.04em;
}
.hero-cta {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all .2s ease;
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--brand-gold);
  color: #0A0E14;
}
.btn-primary:hover {
  background: var(--brand-gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(200,169,106,0.25);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: #ECE9E4;
}
.btn-ghost:hover {
  border-color: var(--brand-gold);
  background: rgba(200,169,106,0.1);
  color: var(--brand-gold);
}
.hero-stats {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 20px;
  font-size: 12px;
  color: #5F6B7A;
}
.hero-stats .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #3A4554;
}
@media (max-width: 768px) {
  .hero-content { padding: 0 20px; }
  .hero h1 { font-size: clamp(1.9rem, 7vw, 2.8rem); }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
}

/* ===== 通用板块 ===== */
.section { padding: 72px 0; }
.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}
.section-line {
  width: 40px;
  height: 3px;
  background: var(--brand-gold);
  border-radius: 2px;
  flex-shrink: 0;
  transition: width .4s ease;
}
.section-head h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.section-more {
  margin-left: auto;
  font-size: 13px;
  color: #5F6B7A;
  transition: color .2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.section-more:hover { color: var(--brand-gold); }
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .container-custom { padding: 0 16px; }
}

/* ===== 横滑片库 ===== */
.scroll-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
  -ms-overflow-style: none;
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 32px, #000 calc(100% - 32px), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 32px, #000 calc(100% - 32px), transparent 100%);
}
.scroll-row::-webkit-scrollbar { display: none; }
.scroll-card {
  flex-shrink: 0;
  width: 280px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  scroll-snap-align: start;
}
.scroll-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200,169,106,0.35);
  box-shadow: var(--shadow-hover);
}
.scroll-card .cover {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  background: #17202A;
}
.scroll-card .body { padding: 14px; }
.scroll-card .title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.scroll-card .tag {
  display: inline-block;
  font-size: 12px;
  color: var(--brand-gold);
  background: rgba(200,169,106,0.1);
  border: 1px solid rgba(200,169,106,0.3);
  border-radius: 999px;
  padding: 3px 10px;
  margin-top: 8px;
}
@media (max-width: 768px) {
  .scroll-card { width: 220px; }
}

/* ===== 热播卡片网格 ===== */
.hot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) {
  .hot-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .hot-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 480px) {
  .hot-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
.hot-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  position: relative;
}
.hot-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200,169,106,0.35);
  box-shadow: var(--shadow-hover);
}
.hot-card .cover-wrap { position: relative; }
.hot-card .cover-wrap img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}
.hot-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--brand-gold);
  color: #0A0E14;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.hot-card .body { padding: 16px; }
.hot-card .title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hot-card .desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 6px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hot-card .link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--brand-gold);
  font-weight: 500;
}
.hot-card .link:hover { text-decoration: underline; }

/* ===== 片单分区 ===== */
.playlist-row { margin-bottom: 40px; }
.playlist-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.playlist-head .bar {
  width: 3px;
  height: 18px;
  background: var(--brand-gold);
  border-radius: 2px;
}
.playlist-head h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}
.playlist-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.playlist-scroll::-webkit-scrollbar { display: none; }
.playlist-card {
  flex-shrink: 0;
  width: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform .2s, border-color .2s;
  scroll-snap-align: start;
  position: relative;
}
.playlist-card:hover {
  transform: translateY(-3px);
  border-color: rgba(200,169,106,0.35);
}
.playlist-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.playlist-card .p-body { padding: 12px; }
.playlist-card .p-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.playlist-card .p-num {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 24px;
  height: 24px;
  background: rgba(10,14,20,0.8);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-gold);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== CMS资讯列表 ===== */
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.news-item:hover {
  border-color: rgba(200,169,106,0.35);
  transform: translateX(4px);
  box-shadow: var(--shadow-card);
}
.news-thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: #17202A;
}
.news-info { flex: 1; min-width: 0; }
.news-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  transition: color .2s;
}
.news-item:hover .news-title { color: var(--brand-gold); }
.news-desc {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-muted);
}
.news-meta .cat {
  background: rgba(0,80,158,0.1);
  border: 1px solid rgba(0,80,158,0.3);
  color: #5BA0E0;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11px;
}
.news-link {
  font-size: 13px;
  color: var(--brand-gold);
  font-weight: 500;
  margin-left: auto;
  white-space: nowrap;
}
.news-link:hover { text-decoration: underline; }
.news-empty {
  text-align: center;
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 14px;
}
@media (max-width: 768px) {
  .news-link { display: none; }
  .news-item { padding: 10px 12px; }
}

/* ===== CTA ===== */
.cta-block {
  border-radius: 24px;
  padding: 60px 48px;
  background: var(--bg-elevated);
  border: 1px solid rgba(200,169,106,0.25);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(200,169,106,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.cta-title {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}
.cta-sub {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}
@media (max-width: 768px) {
  .cta-block { flex-direction: column; text-align: center; padding: 40px 24px; }
}

/* ===== FAQ ===== */
.faq-list { max-width: 860px; }
.faq-item {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.faq-item:first-child { border-top: 1px solid rgba(255,255,255,0.06); }
.faq-q {
  display: flex;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}
.faq-q .q-mark {
  color: var(--brand-gold);
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.faq-a {
  margin-top: 10px;
  margin-left: 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ===== Footer ===== */
.footer {
  background: #0A0E14;
  border-top: 1px solid rgba(200,169,106,0.25);
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 40px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 260px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: color .2s;
}
.footer-col a:hover { color: var(--brand-gold); }
.footer-col .contact-item {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all .2s;
}
.footer-social a:hover {
  border-color: var(--brand-gold);
  color: var(--brand-gold);
  transform: translateY(-2px);
}
.footer-social svg { width: 16px; height: 16px; }
.copyright {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 16px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  font-family: ui-monospace, Menlo, Consolas, monospace;
}
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; padding: 0 16px 32px; }
}

/* ===== Focus可见性 ===== */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--brand-gold);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 通用空态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 0;
  gap: 12px;
  color: var(--text-muted);
  font-size: 14px;
}
.empty-state svg { width: 48px; height: 48px; stroke: var(--text-muted); }

/* 按钮禁用态 */
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 响应式细节 */
@media (max-width: 480px) {
  .hot-card .desc { display: none; }
  .scroll-card .body { padding: 10px; }
}

/* roulang page: article */
:root{
  --bg-base:#0A0E14;
  --bg-elevated:#111822;
  --bg-card:#141C28;
  --border-line:rgba(255,255,255,0.08);
  --text-primary:#ECE9E4;
  --text-secondary:#98A2B3;
  --text-muted:#5F6B7A;
  --brand-blue:#00509E;
  --brand-gold:#C8A96A;
  --brand-gold-hover:#DDBC7E;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 4px 24px rgba(0,0,0,0.4);
  --shadow-hover:0 12px 32px rgba(0,0,0,0.55);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  background:var(--bg-base);
  color:var(--text-primary);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
.container{max-width:1280px;margin:0 auto;padding:0 1rem}
@media(min-width:768px){.container{padding:0 2rem}}

/* 顶部信息条 */
.top-bar{
  height:32px;
  background:#0A0E14;
  border-bottom:1px solid rgba(255,255,255,0.06);
  display:flex;
  align-items:center;
  font-size:12px;
}
.top-bar-inner{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 1rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.top-domain{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12px;
  color:var(--text-muted);
  letter-spacing:.02em;
}
.top-links{
  display:flex;
  align-items:center;
  gap:0;
}
.top-links .top-item{
  color:var(--text-secondary);
  font-size:12px;
  padding:0 .75rem;
  white-space:nowrap;
}
.top-links .top-item:first-child{padding-left:0}
.top-links .top-divider{
  width:1px;
  height:12px;
  background:rgba(255,255,255,0.1);
}
@media(max-width:767px){
  .top-links{display:none}
  .top-bar-inner{justify-content:center}
}

/* 主导航 */
.main-nav{
  position:sticky;
  top:0;
  z-index:50;
  height:64px;
  background:rgba(10,14,20,0.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:background .3s ease;
}
.main-nav.scrolled{
  background:rgba(10,14,20,0.98);
}
.nav-container{
  max-width:1280px;
  height:100%;
  margin:0 auto;
  padding:0 1rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
}
@media(min-width:768px){.nav-container{padding:0 2rem}}
.logo{
  display:flex;
  align-items:center;
  font-size:1.05rem;
  font-weight:700;
  color:var(--text-primary);
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo .gold{
  color:var(--brand-gold);
  font-weight:800;
  margin-right:.1em;
}
.nav-menu{
  display:none;
  align-items:center;
  gap:2rem;
  list-style:none;
  margin:0;
  padding:0;
}
@media(min-width:768px){
  .nav-menu{
    display:flex;
  }
  .nav-search{
    display:flex;
    align-items:center;
    gap:.4rem;
    background:var(--bg-elevated);
    border:1px solid rgba(255,255,255,0.1);
    border-radius:var(--radius-sm);
    height:40px;
    padding:0 .75rem;
    width:220px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .nav-search:focus-within{
    border-color:var(--brand-gold);
    box-shadow:0 0 0 3px rgba(200,169,106,0.15);
  }
  .nav-search svg{
    width:16px;
    height:16px;
    color:var(--text-muted);
    flex-shrink:0;
  }
  .nav-search input{
    background:transparent;
    border:none;
    outline:none;
    color:var(--text-primary);
    font-size:13px;
    width:100%;
  }
  .nav-search input::placeholder{color:var(--text-muted)}
}
.nav-menu > li{
  position:relative;
}
.nav-menu > li > a{
  display:block;
  font-size:14px;
  font-weight:500;
  color:var(--text-secondary);
  padding:.5rem 0;
  transition:color .2s ease;
}
.nav-menu > li > a:hover{
  color:var(--text-primary);
}
.nav-menu > li.active > a{
  color:var(--text-primary);
}
.nav-menu > li.active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--brand-gold);
  border-radius:2px 2px 0 0;
}
.hamburger{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px;
  height:40px;
  padding:8px;
  border-radius:var(--radius-sm);
  transition:background .2s ease;
}
.hamburger:hover{background:rgba(255,255,255,0.06)}
.hamburger span{
  display:block;
  height:2px;
  width:100%;
  background:var(--text-primary);
  border-radius:2px;
  transition:transform .3s ease,opacity .3s ease;
}
.hamburger.active span:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}
@media(min-width:768px){.hamburger{display:none}}

/* 移动端菜单 */
.mobile-menu{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100vh;
  background:rgba(10,14,20,0.98);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  z-index:49;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:2rem;
  opacity:0;
  visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.mobile-menu.open{
  opacity:1;
  visibility:visible;
}
.mobile-menu a{
  font-size:1.5rem;
  font-weight:600;
  color:var(--text-primary);
  transition:color .2s ease;
}
.mobile-menu a:hover{color:var(--brand-gold)}
.mobile-menu a.active{color:var(--brand-gold)}
.mobile-search{
  display:flex;
  align-items:center;
  gap:.5rem;
  background:var(--bg-elevated);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius-sm);
  height:48px;
  padding:0 1rem;
  width:260px;
  max-width:80vw;
}
.mobile-search svg{width:18px;height:18px;color:var(--text-muted)}
.mobile-search input{
  background:transparent;
  border:none;
  outline:none;
  color:var(--text-primary);
  font-size:15px;
  width:100%;
}
.mobile-search input::placeholder{color:var(--text-muted)}

/* 面包屑 */
.breadcrumb{
  height:40px;
  display:flex;
  align-items:center;
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.breadcrumb .crumb-inner{
  max-width:1280px;
  margin:0 auto;
  padding:0 1rem;
  display:flex;
  align-items:center;
  gap:.5rem;
  font-size:12px;
  color:var(--text-muted);
  width:100%;
}
@media(min-width:768px){.breadcrumb .crumb-inner{padding:0 2rem}}
.breadcrumb a{
  color:var(--text-secondary);
  transition:color .2s ease;
}
.breadcrumb a:hover{color:var(--brand-gold)}
.breadcrumb .separator{
  color:var(--text-muted);
  font-size:14px;
  line-height:1;
}
.breadcrumb .current{
  color:var(--text-primary);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:240px;
}

/* 文章标题区 */
.article-header{
  padding:3rem 0 1.5rem;
}
.article-header .inner{
  max-width:768px;
  margin:0 auto;
  padding:0 1rem;
}
@media(min-width:768px){.article-header .inner{padding:0}}
.article-header h1{
  font-size:clamp(1.6rem,3vw,2.8rem);
  font-weight:700;
  color:var(--text-primary);
  line-height:1.35;
  letter-spacing:-0.01em;
  margin-bottom:1rem;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  font-size:12px;
  color:var(--text-secondary);
}
.article-meta .dot{
  color:var(--text-muted);
}
.article-meta .meta-badge{
  display:inline-flex;
  align-items:center;
  gap:.3rem;
  background:rgba(200,169,106,0.1);
  border:1px solid rgba(200,169,106,0.3);
  color:var(--brand-gold);
  border-radius:999px;
  padding:.15rem .65rem;
  font-size:12px;
  font-weight:500;
}

/* 正文阅读区 */
.article-body-wrap{
  padding:0 0 2rem;
}
.article-body{
  max-width:768px;
  margin:0 auto;
  padding:0 1rem;
  font-size:1rem;
  color:#B8BEC9;
  line-height:1.8;
}
@media(min-width:768px){.article-body{padding:0}}
.article-body p{
  margin-bottom:1.5em;
}
.article-body h2{
  font-size:1.45rem;
  font-weight:700;
  color:var(--text-primary);
  margin:2em 0 .8em;
  padding-left:.75rem;
  position:relative;
  line-height:1.4;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.15em;
  width:3px;
  height:1.1em;
  background:var(--brand-gold);
  border-radius:2px;
}
.article-body h3{
  font-size:1.15rem;
  font-weight:600;
  color:var(--text-primary);
  margin:1.8em 0 .6em;
  padding-left:.75rem;
  position:relative;
}
.article-body h3::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  width:3px;
  height:1em;
  background:rgba(200,169,106,0.6);
  border-radius:2px;
}
.article-body img{
  border-radius:var(--radius-md);
  margin:1.5rem auto;
}
.article-body blockquote{
  border-left:3px solid var(--brand-gold);
  padding:.8rem 1.2rem;
  margin:1.5rem 0;
  background:rgba(200,169,106,0.05);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-secondary);
  font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{
  margin:0 0 1.5em 1.5em;
  color:#B8BEC9;
}
.article-body li{
  margin-bottom:.4em;
}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body a{
  color:#5BA0E0;
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color .2s ease;
}
.article-body a:hover{color:var(--brand-gold)}
.article-body hr{
  border:none;
  height:1px;
  background:rgba(255,255,255,0.08);
  margin:2.5rem 0;
}

/* 空态 */
.empty-state{
  max-width:768px;
  margin:0 auto;
  padding:6rem 1rem;
  text-align:center;
}
.empty-state .empty-icon{
  width:48px;
  height:48px;
  margin:0 auto 1rem;
  color:var(--text-muted);
}
.empty-state p{
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:1.5rem;
}

/* 上一篇/下一篇 */
.prev-next{
  max-width:768px;
  margin:2.5rem auto 0;
  padding:1.5rem 1rem;
  border-top:1px solid rgba(255,255,255,0.06);
  display:flex;
  justify-content:space-between;
  gap:1rem;
}
@media(min-width:768px){.prev-next{padding:1.5rem 0}}
.prev-next a{
  font-size:12px;
  color:var(--text-secondary);
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  transition:color .2s ease;
}
.prev-next a:hover{color:var(--brand-gold)}
.prev-next .next-link{
  margin-left:auto;
}

/* 相关推荐 */
.related-section{
  padding:4rem 0;
  border-top:1px solid rgba(255,255,255,0.06);
  background:rgba(17,24,34,0.4);
}
.related-section .inner{
  max-width:1280px;
  margin:0 auto;
  padding:0 1rem;
}
@media(min-width:768px){.related-section .inner{padding:0 2rem}}
.section-title{
  display:flex;
  align-items:center;
  gap:.75rem;
  font-size:clamp(1.2rem,2vw,1.6rem);
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:2rem;
}
.title-bar{
  width:40px;
  height:3px;
  background:var(--brand-gold);
  border-radius:3px;
  flex-shrink:0;
}
.related-scroll{
  display:flex;
  gap:1.5rem;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  padding:0.25rem 0.25rem 1rem;
}
.related-scroll::-webkit-scrollbar{height:4px}
.related-scroll::-webkit-scrollbar-track{background:rgba(255,255,255,0.04);border-radius:2px}
.related-scroll::-webkit-scrollbar-thumb{background:rgba(200,169,106,0.4);border-radius:2px}
.related-card{
  flex-shrink:0;
  width:260px;
  scroll-snap-align:start;
  background:var(--bg-card);
  border:1px solid rgba(255,255,255,0.06);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(200,169,106,0.35);
}
.related-card img{
  width:100%;
  height:150px;
  object-fit:cover;
}
.related-card .card-body{
  padding:1rem 1rem 1.25rem;
}
.related-card .card-body h3{
  font-size:14px;
  font-weight:600;
  color:var(--text-primary);
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.related-card:hover .card-body h3{color:var(--brand-gold)}
@media(min-width:1024px){
  .related-scroll{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:1.5rem;
  }
  .related-card{
    width:auto;
  }
}

/* 返回入口 */
.back-actions{
  max-width:768px;
  margin:0 auto;
  padding:3rem 1rem 4rem;
  text-align:center;
}
@media(min-width:768px){.back-actions{padding:3rem 0 4rem}}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 1.5rem;
  border-radius:var(--radius-sm);
  font-size:14px;
  font-weight:500;
  letter-spacing:.01em;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{
  background:var(--brand-gold);
  color:var(--bg-base);
  font-weight:600;
}
.btn-primary:hover{
  background:var(--brand-gold-hover);
  transform:translateY(-1px);
  box-shadow:0 4px 20px rgba(200,169,106,0.25);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  color:var(--text-primary);
  border:1px solid rgba(255,255,255,0.2);
}
.btn-ghost:hover{
  border-color:var(--brand-gold);
  background:rgba(200,169,106,0.1);
  color:var(--brand-gold);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(0)}

/* 页脚 */
.footer{
  background:var(--bg-base);
  border-top:1px solid rgba(200,169,106,0.3);
  padding:4rem 0 0;
}
.footer-grid{
  max-width:1280px;
  margin:0 auto;
  padding:0 1rem 3rem;
  display:grid;
  grid-template-columns:1fr;
  gap:2.5rem;
}
@media(min-width:768px){
  .footer-grid{
    grid-template-columns:2fr 1fr 1fr 1fr;
    gap:2rem;
    padding-left:2rem;
    padding-right:2rem;
  }
}
.footer-brand .logo{
  font-size:1.1rem;
  margin-bottom:1rem;
}
.footer-brand p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.8;
  max-width:300px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text-primary);
  margin-bottom:1rem;
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  font-size:13px;
  color:var(--text-secondary);
  margin-bottom:.6rem;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--brand-gold)}
.contact-item{
  display:flex;
  align-items:center;
  gap:.6rem;
  font-size:13px;
  color:var(--text-secondary);
  margin-bottom:.75rem;
  line-height:1.6;
}
.contact-item svg{
  flex-shrink:0;
  color:var(--brand-gold);
}
.footer-social{
  display:flex;
  gap:.75rem;
}
.footer-social a{
  width:36px;
  height:36px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(255,255,255,0.12);
  border-radius:10px;
  color:var(--text-secondary);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.footer-social a:hover{
  border-color:var(--brand-gold);
  color:var(--brand-gold);
  background:rgba(200,169,106,0.08);
}
.footer-social svg{
  width:16px;
  height:16px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:1.25rem 0;
  text-align:center;
}
.footer-bottom .copyright{
  font-size:12px;
  color:var(--text-muted);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* 通用组件 */
.divider-line{
  height:1px;
  background:rgba(255,255,255,0.06);
}

/* 响应式 */
@media(max-width:767px){
  .section-title{font-size:1.1rem}
  .article-body{font-size:.95rem}
  .footer-grid{gap:2rem}
}
@media(max-width:520px){
  .article-header{padding-top:2rem}
  .article-header h1{font-size:1.4rem}
  .related-card{width:220px}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
  :root {
    --bg-base: #0A0E14;
    --bg-elevated: #111822;
    --bg-card: #141C28;
    --border-line: rgba(255,255,255,0.08);
    --text-primary: #ECE9E4;
    --text-secondary: #98A2B3;
    --text-muted: #5F6B7A;
    --brand-blue: #00509E;
    --brand-gold: #C8A96A;
    --brand-gold-hover: #DDBC7E;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.55);
  }

  /* ===== 基础 Reset ===== */
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  img {
    max-width: 100%;
    display: block;
  }
  a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
  }
  button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
  }
  input {
    font-family: inherit;
  }
  ul {
    list-style: none;
  }

  /* ===== 通用容器 ===== */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .section {
    padding: 80px 0;
  }
  .section-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 44px;
  }
  .section-bar {
    width: 4px;
    height: 40px;
    background: var(--brand-gold);
    border-radius: 2px;
    flex-shrink: 0;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.45s ease;
  }
  .section-bar.visible {
    transform: scaleY(1);
  }
  .section-head h2 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
  }
  .section-head .en-tag {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-left: 6px;
  }

  /* ===== 顶部信息条 ===== */
  .top-bar {
    height: 32px;
    background: #0A0E14;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
  }
  .top-bar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-family: ui-monospace, 'SF Mono', 'Cascadia Mono', monospace;
    color: #5F6B7A;
  }
  .top-links {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .top-links .divider {
    width: 1px;
    height: 10px;
    background: rgba(255,255,255,0.12);
  }

  /* ===== 主导航 ===== */
  .main-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 14, 20, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-line);
    transition: background 0.3s ease, box-shadow 0.3s ease;
  }
  .main-nav.scrolled {
    background: rgba(10, 14, 20, 0.98);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  }
  .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .logo {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    white-space: nowrap;
  }
  .logo .gold {
    color: var(--brand-gold);
  }
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
  }
  .nav-menu li {
    position: relative;
  }
  .nav-menu li a {
    display: block;
    padding: 8px 14px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    transition: color 0.2s ease, background 0.2s ease;
  }
  .nav-menu li a:hover {
    color: #ECE9E4;
    background: rgba(255,255,255,0.04);
  }
  .nav-menu li.active a {
    color: var(--text-primary);
    font-weight: 600;
  }
  .nav-menu li.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--brand-gold);
    border-radius: 1px;
  }
  .nav-search {
    display: flex;
    align-items: center;
    background: var(--bg-elevated);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 0 10px;
    height: 36px;
    width: 180px;
    transition: border 0.2s ease, box-shadow 0.2s ease;
    margin-left: 6px;
  }
  .nav-search:focus-within {
    border-color: rgba(200,169,106,0.6);
    box-shadow: 0 0 0 3px rgba(200,169,106,0.15);
  }
  .nav-search svg {
    width: 15px;
    height: 15px;
    color: var(--text-muted);
    margin-right: 6px;
    flex-shrink: 0;
  }
  .nav-search input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 13px;
    width: 100%;
  }
  .nav-search input::placeholder {
    color: var(--text-muted);
  }
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    z-index: 60;
    align-items: center;
    justify-content: center;
  }
  .hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* ===== 按钮 ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 28px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: all 0.2s ease;
    white-space: nowrap;
  }
  .btn-primary {
    background: var(--brand-gold);
    color: #0A0E14;
  }
  .btn-primary:hover {
    background: var(--brand-gold-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(200,169,106,0.3);
  }
  .btn-primary:active {
    transform: translateY(0);
  }
  .btn-ghost {
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-primary);
    background: transparent;
  }
  .btn-ghost:hover {
    border-color: var(--brand-gold);
    background: rgba(200,169,106,0.1);
    color: #ECE9E4;
    transform: translateY(-1px);
  }
  .btn-ghost:active {
    transform: translateY(0);
  }

  /* ===== 分类 Hero ===== */
  .category-hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center center;
    overflow: hidden;
  }
  .category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(10,14,20,0.94) 0%, rgba(10,14,20,0.72) 55%, rgba(10,14,20,0.4) 100%);
  }
  .category-hero .hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 70px 0;
  }
  .hero-eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--brand-gold);
    border: 1px solid rgba(200,169,106,0.3);
    background: rgba(200,169,106,0.08);
    padding: 4px 14px;
    border-radius: 999px;
    margin-bottom: 20px;
  }
  .category-hero h1 {
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.25;
    max-width: 760px;
    margin-bottom: 14px;
    color: var(--text-primary);
  }
  .hero-subhead {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 0;
  }
  .hero-actions {
    margin-top: 28px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }

  /* ===== 分类介绍区 ===== */
  .intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }
  .intro-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
  }
  .intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .intro-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    pointer-events: none;
  }
  .intro-text h2 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    color: var(--text-primary);
  }
  .intro-text p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 18px;
  }
  .intro-text p:last-child {
    margin-bottom: 0;
  }

  /* ===== 卖点卡片 ===== */
  .feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 30px 28px;
    transition: all 0.3s ease;
  }
  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(200,169,106,0.35);
  }
  .feature-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(200,169,106,0.1);
    border: 1px solid rgba(200,169,106,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-gold);
    margin-bottom: 18px;
  }
  .feature-icon svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.8;
  }
  .feature-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
  }
  .feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
  }

  /* ===== 场景卡片 ===== */
  .scene-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: border 0.3s ease, transform 0.3s ease;
  }
  .scene-card:hover {
    border-color: rgba(200,169,106,0.3);
    transform: translateY(-2px);
  }
  .scene-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--brand-gold);
    letter-spacing: 0.06em;
    margin-bottom: 8px;
  }
  .scene-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
  }
  .scene-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  /* ===== 产品卡片网格 ===== */
  .product-card {
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
  }
  .product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(200,169,106,0.35);
  }
  .product-card .card-media {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
  }
  .product-card .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }
  .product-card:hover .card-media img {
    transform: scale(1.04);
  }
  .product-card .card-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10,14,20,0.35) 100%);
    pointer-events: none;
  }
  .product-card .card-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .product-card .card-badge {
    display: inline-block;
    font-size: 12px;
    color: var(--brand-gold);
    background: rgba(200,169,106,0.1);
    border: 1px solid rgba(200,169,106,0.3);
    border-radius: 999px;
    padding: 3px 10px;
    margin-bottom: 12px;
    align-self: flex-start;
    letter-spacing: 0.04em;
  }
  .product-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
  }
  .product-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
  }
  .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--brand-gold);
    margin-top: auto;
    transition: gap 0.2s ease, color 0.2s ease;
  }
  .card-link:hover {
    gap: 10px;
    color: var(--brand-gold-hover);
  }

  /* ===== 步骤卡片 ===== */
  .step-card {
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    padding: 28px 22px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
  }
  .step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(200,169,106,0.35);
  }
  .step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(200,169,106,0.12);
    border: 1px solid rgba(200,169,106,0.35);
    color: var(--brand-gold);
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
  }
  .step-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
  }
  .step-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  /* ===== FAQ ===== */
  .faq-list {
    max-width: 820px;
    margin: 0 auto;
  }
  .faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 18px 0;
  }
  .faq-item:first-child {
    border-top: 1px solid rgba(255,255,255,0.06);
  }
  .faq-question {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    padding: 6px 0;
    transition: color 0.2s ease;
  }
  .faq-question:hover {
    color: var(--brand-gold);
  }
  .faq-question .faq-mark {
    color: var(--brand-gold);
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
  }
  .faq-answer {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-top: 10px;
    margin-left: 26px;
    display: none;
  }
  .faq-item.open .faq-answer {
    display: block;
  }
  .faq-toggle {
    margin-left: auto;
    color: var(--text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    display: flex;
  }
  .faq-item.open .faq-toggle {
    transform: rotate(45deg);
  }

  /* ===== CTA 区块 ===== */
  .cta-box {
    background: var(--bg-elevated);
    border: 1px solid rgba(200,169,106,0.3);
    border-radius: 24px;
    padding: 56px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
  }
  .cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand-gold), transparent);
  }
  .cta-box h2 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 800;
    color: var(--text-primary);
  }
  .cta-box .cta-text p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 6px;
  }

  /* ===== 页脚 ===== */
  .footer {
    background: var(--bg-base);
    border-top: 1px solid rgba(200,169,106,0.3);
    padding: 56px 0 0;
  }
  .footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
    gap: 40px;
  }
  .footer-brand .logo {
    font-size: 18px;
  }
  .footer-brand p {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 300px;
  }
  .footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: 0.04em;
  }
  .footer-col > a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 6px 0;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }
  .footer-col > a:hover {
    color: var(--brand-gold);
    padding-left: 4px;
  }
  .contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 0;
  }
  .contact-item svg {
    flex-shrink: 0;
  }
  .footer-social {
    display: flex;
    gap: 12px;
  }
  .footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--border-line);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
  }
  .footer-social a:hover {
    border-color: rgba(200,169,106,0.4);
    color: var(--brand-gold);
    transform: translateY(-2px);
  }
  .footer-social svg {
    width: 17px;
    height: 17px;
  }
  .footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding: 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1023px) {
    .nav-search {
      display: none;
    }
    .hamburger {
      display: flex;
    }
    .nav-menu {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 100vh;
      background: rgba(10,14,20,0.98);
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 80px 24px 48px;
      gap: 18px;
      z-index: 45;
      overflow-y: auto;
      backdrop-filter: blur(20px);
    }
    .nav-menu.open {
      display: flex;
    }
    .nav-menu li a {
      font-size: 1.4rem;
      padding: 12px 20px;
    }
    .nav-menu li.active::after {
      display: none;
    }
    .nav-menu .nav-search {
      display: flex;
      width: 100%;
      max-width: 320px;
      margin-top: 24px;
    }
    body.menu-open {
      overflow: hidden;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (max-width: 767px) {
    .top-links {
      display: none;
    }
    .section {
      padding: 56px 0;
    }
    .section-head {
      margin-bottom: 32px;
    }
    .intro-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .category-hero {
      min-height: 380px;
    }
    .category-hero .hero-content {
      padding: 48px 0;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .cta-box {
      flex-direction: column;
      text-align: center;
      padding: 40px 28px;
    }
    .cta-box .btn {
      width: 100%;
    }
    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }
    .hero-actions .btn {
      width: 100%;
    }
  }
