/* roulang page: index */
:root {
  --bg-primary: #0C0C0E;
  --bg-secondary: #141417;
  --bg-surface: #1B1B1F;
  --bg-nav: #0F0F11;
  --text-primary: #F2F0EA;
  --text-secondary: #8C8A92;
  --text-muted: #6A6A72;
  --accent: #D4A94E;
  --accent-hover: #E4BC6E;
  --border-color: #26262A;
  --border-light: #222225;
  --border-hover: #3A3A40;
  --success: #4CAF7D;
  --warning: #E0665A;
  --radius-card: 10px;
  --radius-btn: 4px;
  --radius-badge: 999px;
  --radius-img: 8px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-hover: 0 6px 20px rgba(0,0,0,0.5);
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 112px;
}

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol, h1, h2, h3, h4, h5, h6, p {
  margin: 0;
  padding: 0;
}

button {
  font-family: inherit;
}

.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

@media screen and (max-width: 639px) {
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
}

.btn-gold {
  background: var(--accent);
  color: #0C0C0E;
}

.btn-gold:hover {
  background: var(--accent-hover);
  color: #0C0C0E;
  transform: translateY(-2px);
  box-shadow: 0 4px 18px rgba(212, 169, 78, 0.3);
}

.btn-gold:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(212, 169, 78, 0.2);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(212, 169, 78, 0.4);
  color: var(--accent);
}

.btn-outline:hover {
  border-color: var(--accent-hover);
  color: var(--accent-hover);
  background: rgba(212, 169, 78, 0.08);
  transform: translateY(-2px);
}

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

.btn-large {
  padding: 14px 36px;
  font-size: 16px;
}

.btn-small {
  padding: 8px 18px;
  font-size: 13px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-primary);
}

.header-top {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
}

.header-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: #0C0C0E;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex: 0 0 auto;
}

.brand-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  white-space: nowrap;
}

.header-search {
  display: inline-flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid #2A2A2E;
  border-radius: var(--radius-btn);
  padding: 0 4px 0 14px;
  width: 320px;
  max-width: 100%;
  transition: border-color 0.2s;
}

.header-search:focus-within {
  border-color: var(--accent);
}

.header-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 14px;
  padding: 10px 0;
  width: 100%;
  font-family: inherit;
}

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

.search-btn {
  background: transparent;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 8px 12px;
  width: auto;
  font-size: 14px;
  transition: color 0.2s;
}

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

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 22px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

.btn-header-cta:hover {
  background: var(--accent);
  color: #0C0C0E;
  transform: translateY(-1px);
}

.header-nav {
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border-light);
}

.channel-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.channel-tabs::-webkit-scrollbar {
  display: none;
}

.channel-tab {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-badge);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: var(--transition);
  cursor: pointer;
}

.channel-tab:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.channel-tab.active {
  background: rgba(212, 169, 78, 0.08);
  color: var(--accent);
  border-color: rgba(212, 169, 78, 0.3);
  font-weight: 600;
}

/* ===== 倒计时条 ===== */
.countdown-bar {
  background: var(--bg-secondary);
  border-top: 2px solid var(--accent);
  padding: 12px 0;
}

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

.countdown-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 1 auto;
  min-width: 0;
}

.countdown-badge {
  background: rgba(224, 102, 90, 0.15);
  color: var(--warning);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  border: 1px solid rgba(224, 102, 90, 0.3);
  white-space: nowrap;
  flex: 0 0 auto;
}

.countdown-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.countdown-timer {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.countdown-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-primary);
  border-radius: 6px;
  padding: 4px 12px;
  min-width: 48px;
}

.countdown-num {
  font-family: "DIN Alternate", "Bebas Neue", sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  letter-spacing: 0.08em;
  transition: opacity 0.3s;
}

.countdown-unit {
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: 2px;
  letter-spacing: 0.05em;
}

.countdown-sep {
  color: #54545C;
  font-size: 18px;
  font-weight: 700;
  padding-bottom: 16px;
}

.btn-countdown {
  flex: 0 0 auto;
}

.countdown-cta-icon {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(212, 169, 78, 0.12);
  border: 1px solid rgba(212, 169, 78, 0.35);
  color: var(--accent);
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex: 0 0 auto;
  transition: var(--transition);
}

.countdown-cta-icon:hover {
  background: var(--accent);
  color: #0C0C0E;
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  min-height: 520px;
  padding: 96px 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 12, 14, 0.55), rgba(12, 12, 14, 0.88));
  z-index: 1;
}

.hero-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(12, 12, 14, 0.25);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-text h1 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.7;
  color: #B8B6BE;
  margin-bottom: 30px;
  max-width: 560px;
}

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

.hero-frame {
  position: absolute;
  right: 40px;
  bottom: 40px;
  width: 80px;
  height: 80px;
  border: 1px solid rgba(212, 169, 78, 0.45);
  transform: rotate(45deg);
  z-index: 2;
  pointer-events: none;
}

/* ===== 通用板块 ===== */
.section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 44px;
}

.section-head h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  padding-top: 13px;
  position: relative;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.section-head h2::before {
  content: '';
  display: block;
  width: 28px;
  height: 3px;
  background: var(--accent);
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 2px;
}

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

/* ===== 卖点卡片 ===== */
.feature-grid {
  margin-left: -12px;
  margin-right: -12px;
}

.feature-grid > .columns {
  padding-left: 12px;
  padding-right: 12px;
}

.feature-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px 26px;
  height: 100%;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  background: var(--bg-surface);
  transform: translateY(-3px);
}

.feature-num {
  display: block;
  font-family: "DIN Alternate", "Bebas Neue", sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 18px;
  transition: color 0.25s;
}

.feature-card:hover .feature-num {
  color: var(--accent);
}

.feature-line {
  position: absolute;
  top: 28px;
  right: 24px;
  width: 2px;
  height: 40px;
  background: rgba(212, 169, 78, 0.4);
  border-radius: 2px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ===== 图墙 ===== */
.gallery-row-1,
.gallery-row-2 {
  margin-bottom: 16px;
}

.gallery-row-1 > .columns,
.gallery-row-2 > .columns {
  padding-left: 8px;
  padding-right: 8px;
}

.gallery-row-1,
.gallery-row-2 {
  margin-left: -8px;
  margin-right: -8px;
}

.gallery-card {
  position: relative;
  display: block;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.gallery-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(12, 12, 14, 0.3);
  transition: background 0.3s;
  z-index: 1;
}

.gallery-card:hover::after {
  background: rgba(12, 12, 14, 0.15);
}

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

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-card:hover img {
  transform: scale(1.05);
}

.gallery-main {
  aspect-ratio: 16/9;
}

.gallery-sub {
  aspect-ratio: 8/3;
}

.gallery-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 36px 18px 14px;
  background: linear-gradient(180deg, transparent, rgba(12, 12, 14, 0.75));
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 2;
}

.gallery-tag {
  display: inline-block;
  align-self: flex-start;
  background: rgba(212, 169, 78, 0.2);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-badge);
  border: 1px solid rgba(212, 169, 78, 0.3);
}

.gallery-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.gallery-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.gallery-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(212, 169, 78, 0.2);
  border-bottom: 1px solid rgba(212, 169, 78, 0.2);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(212, 169, 78, 0.05), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.cta-inner > p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 30px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.cta-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== 资讯列表 ===== */
.news-section {
  background: var(--bg-primary);
}

.news-wrap {
  margin-left: -12px;
  margin-right: -12px;
}

.news-wrap > .columns {
  padding-left: 12px;
  padding-right: 12px;
}

.news-feature {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 30px;
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.news-feature:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.news-feature-tag {
  display: inline-block;
  align-self: flex-start;
  background: rgba(212, 169, 78, 0.12);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  margin-bottom: 16px;
  border: 1px solid rgba(212, 169, 78, 0.25);
}

.news-feature h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.news-feature p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-feature-date {
  font-size: 12px;
  color: var(--text-muted);
  font-family: "DIN Alternate", "Bebas Neue", sans-serif;
  letter-spacing: 0.04em;
  margin-top: auto;
}

.news-list {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 8px 24px;
  height: 100%;
  box-shadow: var(--shadow-card);
}

.news-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid #1E1E22;
  transition: background 0.2s;
}

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

.news-list-item:hover .news-title {
  color: var(--accent);
}

.news-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
}

.news-title {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 500;
  flex: 1 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s;
}

.news-date {
  font-size: 12px;
  color: var(--text-muted);
  font-family: "DIN Alternate", "Bebas Neue", sans-serif;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.news-empty {
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-card);
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
  background: rgba(20, 20, 23, 0.4);
}

.news-empty i {
  font-size: 32px;
  color: #3A3A40;
  display: block;
  margin-bottom: 12px;
}

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

/* ===== FAQ ===== */
.faq-grid {
  margin-left: -16px;
  margin-right: -16px;
}

.faq-grid > .columns {
  padding-left: 16px;
  padding-right: 16px;
}

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: transparent;
  border: none;
  padding: 18px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s;
}

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

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

.faq-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(212, 169, 78, 0.12);
  color: var(--accent);
  font-size: 12px;
  transition: transform 0.3s ease;
  flex: 0 0 auto;
}

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

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

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

/* ===== 页脚 ===== */
.site-footer {
  background: #0A0A0B;
  border-top: 1px solid #1E1E22;
  padding-top: 56px;
}

.footer-grid {
  margin-left: -16px;
  margin-right: -16px;
}

.footer-grid > .columns {
  padding-left: 16px;
  padding-right: 16px;
}

.footer-brand .brand-text {
  font-size: 18px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
  margin-top: 14px;
  max-width: 340px;
}

.footer-nav h4,
.footer-statement h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

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

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

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

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

.footer-statement p {
  font-size: 12px;
  line-height: 1.75;
  color: #6A6A72;
  max-width: 460px;
}

.footer-bottom {
  margin-top: 40px;
  border-top: 1px solid #1E1E22;
  padding: 18px 0 22px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: #54545C;
  margin: 0;
}

/* ===== 焦点可见性 ===== */
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .header-search {
    width: 240px;
  }

  .hero-frame {
    display: none;
  }
}

@media screen and (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .section-head h2 {
    font-size: 21px;
  }

  .brand-text {
    font-size: 16px;
  }

  .header-search {
    display: none;
  }

  .countdown-title {
    max-width: 100px;
  }

  .countdown-block {
    min-width: 40px;
    padding: 4px 8px;
  }

  .countdown-num {
    font-size: 18px;
  }

  .btn-countdown {
    display: none;
  }

  .countdown-cta-icon {
    display: inline-flex;
  }

  .hero-section {
    min-height: 420px;
    padding: 70px 0;
  }

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

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

  .gallery-main {
    aspect-ratio: 16/10;
  }

  .gallery-sub {
    aspect-ratio: 16/8;
  }

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

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

  .news-feature {
    padding: 22px;
  }
}

@media screen and (max-width: 520px) {
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-top-row {
    gap: 8px;
  }

  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }

  .brand-text {
    font-size: 15px;
  }

  .btn-header-cta {
    padding: 8px 14px;
    font-size: 13px;
  }

  .countdown-inner {
    gap: 10px;
  }

  .countdown-left {
    gap: 8px;
  }

  .countdown-badge {
    font-size: 11px;
    padding: 3px 8px;
  }

  .countdown-title {
    font-size: 13px;
    max-width: 80px;
  }

  .countdown-timer {
    gap: 4px;
  }

  .countdown-block {
    min-width: 36px;
    padding: 3px 6px;
  }

  .countdown-num {
    font-size: 16px;
  }

  .countdown-unit {
    font-size: 9px;
  }

  .hero-section {
    min-height: 360px;
    padding: 56px 0;
  }

  .hero-text h1 {
    font-size: 24px;
    line-height: 1.35;
  }

  .hero-subtitle {
    font-size: 14px;
    line-height: 1.6;
  }

  .hero-actions {
    gap: 10px;
    flex-direction: column;
    align-items: stretch;
  }

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

  .section-head {
    margin-bottom: 28px;
  }

  .feature-card {
    padding: 24px 20px;
  }

  .feature-line {
    top: 24px;
    right: 18px;
  }

  .gallery-row-1 > .columns,
  .gallery-row-2 > .columns {
    padding-left: 8px;
    padding-right: 8px;
  }

  .gallery-sub {
    aspect-ratio: 16/7;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

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

  .cta-inner h2 {
    font-size: 22px;
  }

  .cta-inner > p {
    font-size: 13px;
  }

  .news-feature {
    padding: 20px 16px;
  }

  .news-list {
    padding: 6px 18px;
  }

  .footer-grid > .columns {
    padding-left: 16px;
    padding-right: 16px;
    margin-bottom: 24px;
  }

  .site-footer {
    padding-top: 40px;
  }
}

/* roulang page: category1 */
:root {
  --bg-primary: #0C0C0E;
  --bg-secondary: #141417;
  --bg-surface: #1B1B1F;
  --bg-footer: #0A0A0B;
  --text-primary: #F2F0EA;
  --text-secondary: #B8B6BE;
  --text-muted: #8C8A92;
  --accent: #D4A94E;
  --accent-hover: #E4BC6E;
  --border: #26262A;
  --border-light: #2A2A2E;
  --success: #4CAF7D;
  --warning: #E0665A;
  --radius: 10px;
  --radius-small: 4px;
  --radius-badge: 999px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-hover: 0 6px 20px rgba(0,0,0,0.5);
  --transition: all .25s cubic-bezier(.4,0,.2,1);
  --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num: "DIN Alternate","Bebas Neue",sans-serif;
}

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

html {
  scroll-padding-top: 120px;
}

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

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

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

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

button, input {
  font-family: inherit;
  border: none;
  outline: none;
}

ul {
  list-style: none;
}

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

.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: var(--radius-small);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.btn-primary {
  background: var(--accent);
  color: #0C0C0E;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #0C0C0E;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-outline:hover {
  background: rgba(212,169,78,0.08);
  border-color: var(--accent-hover);
  color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-small {
  padding: 8px 22px;
  font-size: 14px;
}

/* ===== Header ===== */
.site-header {
  background: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 0 rgba(255,255,255,0.02);
}

.header-top {
  background: var(--bg-primary);
  border-bottom: 1px solid #222225;
  height: 64px;
}

.header-top-row {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #0C0C0E;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.brand-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  white-space: nowrap;
}

.header-search {
  display: flex;
  align-items: center;
  flex: 1;
  max-width: 420px;
  margin-left: auto;
  background: var(--bg-secondary);
  border: 1px solid #2A2A2E;
  border-radius: var(--radius-small);
  padding: 0 12px;
  height: 38px;
  transition: var(--transition);
}

.header-search:focus-within {
  border-color: var(--accent);
}

.header-search input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
  height: 100%;
}

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

.search-btn {
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 6px;
  transition: var(--transition);
}

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

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-small);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-header-cta:hover {
  background: rgba(212,169,78,0.1);
  border-color: var(--accent-hover);
  color: var(--accent-hover);
  transform: translateY(-1px);
}

.header-nav {
  background: #0F0F11;
  border-bottom: 1px solid #1E1E22;
  height: 48px;
}

.channel-tabs {
  display: flex;
  align-items: center;
  height: 48px;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.channel-tabs::-webkit-scrollbar {
  display: none;
}

.channel-tab {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-muted);
  white-space: nowrap;
  transition: var(--transition);
}

.channel-tab:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}

.channel-tab.active {
  color: var(--accent);
  background: rgba(212,169,78,0.08);
  border: 1px solid rgba(212,169,78,0.3);
  font-weight: 600;
  position: relative;
}

.channel-tab.active:hover {
  color: var(--accent-hover);
  background: rgba(212,169,78,0.12);
}

/* ===== Hero ===== */
.cat-hero {
  background: linear-gradient(180deg, rgba(12,12,14,0.55), rgba(12,12,14,0.92)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 60px 0;
  position: relative;
}

.cat-hero-row {
  align-items: center;
}

.cat-hero-content {
  z-index: 1;
}

.cat-hero h1 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.cat-hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.cat-hero-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 32px;
}

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

.hero-media-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #2A2A2E;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4 / 5;
  background: var(--bg-surface);
}

.hero-media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12,12,14,0.1), rgba(12,12,14,0.35));
  pointer-events: none;
}

/* ===== Section 通用 ===== */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 10px;
  position: relative;
  padding-top: 12px;
}

.section-title::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 640px;
}

.section-center .section-title::before,
.section-center .section-subtitle {
  display: none;
}

.section-head-center {
  text-align: center;
  margin-bottom: 40px;
}

.section-head-center .section-title {
  display: inline-block;
}

.section-head-center .section-title::before {
  left: 50%;
  transform: translateX(-50%);
}

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

/* ===== Types ===== */
.cat-types {
  background: var(--bg-primary);
}

.types-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.type-card {
  border-radius: var(--radius);
  border: 1px solid #222225;
  background: var(--bg-secondary);
  padding: 24px;
  position: relative;
  transition: var(--transition);
  min-height: 240px;
}

.type-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 2px;
  height: 40px;
  background: var(--accent);
  border-radius: 0 10px 0 0;
}

.type-card:hover {
  border-color: #3A3A40;
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.type-card-lg {
  background: var(--bg-secondary);
}

.type-card-md {
  background: #101013;
}

.type-card-sm {
  background: #121215;
}

.type-index {
  font-family: var(--font-num);
  font-size: 20px;
  color: var(--accent);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 18px;
}

.type-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.type-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.type-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--accent);
  transition: var(--transition);
}

.type-more:hover {
  color: var(--accent-hover);
  gap: 10px;
}

/* ===== Feature ===== */
.cat-feature {
  background: var(--bg-secondary);
  border-top: 1px solid #1E1E22;
  border-bottom: 1px solid #1E1E22;
}

.feature-row {
  align-items: center;
}

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

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.feature-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 65%, rgba(12,12,14,0.5));
}

.feature-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(12,12,14,0.7);
  border: 1px solid rgba(212,169,78,0.4);
  color: var(--accent);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  letter-spacing: 0.05em;
}

.feature-content h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 14px;
}

.feature-content > p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 20px;
}

.feature-points {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-points li i {
  color: var(--accent);
  font-size: 14px;
  margin-top: 4px;
  flex-shrink: 0;
}

/* ===== Process ===== */
.cat-process {
  background: var(--bg-primary);
}

.process-steps {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -8px;
}

.process-step {
  padding: 0 8px;
  margin-bottom: 16px;
}

.process-card {
  background: var(--bg-secondary);
  border: 1px solid #222225;
  border-radius: var(--radius);
  padding: 24px;
  height: 100%;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.process-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.6;
}

.process-card:hover {
  border-color: #3A3A40;
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.step-num {
  font-family: var(--font-num);
  font-size: 32px;
  color: var(--accent);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 14px;
  opacity: 0.9;
}

.process-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== Highlights ===== */
.cat-highlights {
  background: var(--bg-secondary);
  border-top: 1px solid #1E1E22;
  border-bottom: 1px solid #1E1E22;
}

.highlight-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 760px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid #1E1E22;
  transition: var(--transition);
}

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

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

.highlight-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 10px;
  box-shadow: 0 0 0 4px rgba(212,169,78,0.1);
}

.highlight-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.highlight-item p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== FAQ ===== */
.cat-faq {
  background: var(--bg-primary);
}

.faq-grid {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -12px;
}

.faq-col {
  padding: 0 12px;
  margin-bottom: 20px;
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: transparent;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 500;
  padding: 18px 0;
  text-align: left;
  cursor: pointer;
  gap: 16px;
  transition: var(--transition);
}

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

.faq-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform .3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--accent);
  background: rgba(212,169,78,0.1);
}

.faq-answer {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}

.faq-item.open .faq-answer {
  max-height: 180px;
  padding: 0 0 20px;
}

/* ===== CTA ===== */
.cat-cta {
  background: #101013;
  border-top: 1px solid rgba(212,169,78,0.2);
  border-bottom: 1px solid rgba(212,169,78,0.2);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cat-cta::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(212,169,78,0.15);
  border-radius: 20px;
  transform: rotate(45deg);
  pointer-events: none;
}

.cta-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 32px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.cta-note {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid #1E1E22;
  padding: 60px 0 0;
}

.footer-grid {
  padding-bottom: 40px;
}

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

.footer-nav h4,
.footer-statement h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-top: 6px;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

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

.footer-statement p {
  font-size: 12px;
  color: #6A6A72;
  line-height: 1.75;
}

.footer-bottom {
  border-top: 1px solid #1E1E22;
  padding: 18px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: #54545C;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .btn-header-cta {
    padding: 8px 14px;
    font-size: 13px;
  }
  .header-search {
    max-width: 300px;
  }
  .hero-media-frame {
    max-width: 420px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .site-header {
    position: relative;
  }
  .header-top {
    height: auto;
  }
  .header-top-row {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 0;
    gap: 10px;
  }
  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
    flex-basis: 100%;
    height: 36px;
  }
  .btn-header-cta {
    margin-left: auto;
  }
  .cat-hero {
    min-height: auto;
    padding: 48px 0;
  }
  .cat-hero h1 {
    font-size: 26px;
  }
  .cat-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn {
    width: 100%;
  }
  .hero-media-frame {
    margin-top: 32px;
  }
  .section {
    padding: 48px 0;
  }
  .section-title {
    font-size: 20px;
  }
  .type-card {
    min-height: auto;
  }
  .cta-title {
    font-size: 22px;
  }
  .cat-cta {
    padding: 48px 0;
  }
  .footer-grid > .columns {
    margin-bottom: 32px;
  }
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (max-width: 520px) {
  .brand-text {
    font-size: 16px;
  }
  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  .channel-tab {
    padding: 0 14px;
    font-size: 13px;
  }
  .cat-hero-desc {
    font-size: 14px;
  }
  .type-card {
    padding: 18px;
  }
  .process-card {
    padding: 18px;
  }
  .highlight-item {
    gap: 12px;
  }
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .faq-question {
    font-size: 15px;
  }
}

/* roulang page: article */
:root {
            --bg-primary: #0C0C0E;
            --bg-secondary: #141417;
            --bg-surface: #1B1B1F;
            --text-primary: #F2F0EA;
            --text-secondary: #8C8A92;
            --text-weak: #6A6A72;
            --accent: #D4A94E;
            --accent-hover: #E4BC6E;
            --border: #26262A;
            --border-light: #2A2A2E;
            --success: #4CAF7D;
            --warning: #E0665A;
            --radius-card: 10px;
            --radius-btn: 4px;
            --radius-badge: 999px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-hover: 0 6px 20px rgba(0,0,0,0.5);
            --transition: all .25s cubic-bezier(.4,0,.2,1);
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bebas Neue", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 120px;
        }

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

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

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

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

        ul, ol {
            list-style-position: inside;
        }

        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            outline: none;
        }

        /* ===== 容器 ===== */
        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-block;
            background: var(--accent);
            color: #0C0C0E;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(212,169,78,0.25);
            border: 1px solid transparent;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #0C0C0E;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212,169,78,0.35);
        }

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

        .btn-outline {
            display: inline-block;
            border: 1px solid var(--accent);
            color: var(--accent);
            font-size: 16px;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            text-align: center;
            transition: var(--transition);
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(212,169,78,0.08);
            color: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
        }

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

        .btn-go {
            display: inline-block;
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 14px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            margin-right: 12px;
        }

        .btn-go:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(212,169,78,0.05);
        }

        /* ===== 标签/徽章 ===== */
        .tag {
            display: inline-block;
            background: rgba(212,169,78,0.08);
            border: 1px solid rgba(212,169,78,0.3);
            color: var(--accent);
            font-size: 12px;
            border-radius: var(--radius-badge);
            padding: 4px 14px;
            margin: 0 6px 8px 0;
            transition: var(--transition);
        }

        .tag:hover {
            background: rgba(212,169,78,0.16);
            border-color: var(--accent);
        }

        /* ===== Header 第一行 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-primary);
        }

        .header-top {
            background: var(--bg-primary);
            border-bottom: 1px solid #222225;
            height: 64px;
            display: flex;
            align-items: center;
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0C0C0E;
            font-size: 16px;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-secondary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            padding: 8px 14px;
            flex: 1;
            max-width: 340px;
            transition: var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(212,169,78,0.1);
        }

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

        .header-search input::placeholder {
            color: var(--text-weak);
        }

        .search-btn {
            color: var(--text-secondary);
            cursor: pointer;
            padding: 0 4px;
            transition: var(--transition);
        }

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

        .btn-header-cta {
            display: inline-block;
            border: 1px solid var(--accent);
            color: var(--accent);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
            background: transparent;
        }

        .btn-header-cta:hover {
            background: rgba(212,169,78,0.08);
            color: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-1px);
        }

        /* ===== Header 第二行 ===== */
        .header-nav {
            background: #0F0F11;
            border-bottom: 1px solid #1E1E22;
            min-height: 48px;
            display: flex;
            align-items: center;
        }

        .channel-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding: 8px 0;
            scrollbar-width: none;
        }

        .channel-tabs::-webkit-scrollbar {
            display: none;
        }

        .channel-tab {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition);
            background: transparent;
            border: 1px solid transparent;
        }

        .channel-tab:hover {
            background: var(--bg-surface);
            color: var(--text-primary);
        }

        .channel-tab.active {
            color: var(--accent);
            background: rgba(212,169,78,0.08);
            border-color: rgba(212,169,78,0.3);
            font-weight: 500;
        }

        /* ===== 面包屑 ===== */
        .article-hero {
            background:
                linear-gradient(180deg, rgba(12,12,14,0.85), rgba(12,12,14,0.95)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 36px 0;
            border-bottom: 1px solid #1E1E22;
        }

        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            font-size: 13px;
            color: var(--text-weak);
        }

        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li + li::before {
            content: '/';
            color: var(--text-weak);
            font-size: 12px;
        }

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

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

        .breadcrumb .current {
            color: var(--text-primary);
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 文章主体区 ===== */
        .article-section {
            padding: 60px 0 70px;
            background: var(--bg-primary);
        }

        .article-main {
            max-width: 760px;
            margin: 0 auto;
        }

        .article-main h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            padding-bottom: 24px;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-secondary);
        }

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

        .meta-item i {
            color: var(--accent);
            font-size: 14px;
        }

        .meta-cat {
            background: rgba(212,169,78,0.08);
            border: 1px solid rgba(212,169,78,0.25);
            color: var(--accent);
            padding: 2px 12px;
            border-radius: 999px;
            font-size: 12px;
        }

        /* ===== 文章正文排版 ===== */
        .article-body {
            font-size: 15px;
            line-height: 1.75;
            color: #B8B6BE;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 40px 0 18px;
            position: relative;
            padding-left: 18px;
        }

        .article-body h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 3px;
            height: 20px;
            background: var(--accent);
            border-radius: 2px;
        }

        .article-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 30px 0 14px;
        }

        .article-body p {
            margin-bottom: 1.2em;
        }

        .article-body blockquote {
            border-left: 3px solid var(--accent);
            background: var(--bg-secondary);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px;
            padding-left: 8px;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: 10px;
        }

        .article-body ul li::marker {
            color: var(--accent);
        }

        .article-body img {
            border-radius: 8px;
            margin: 24px auto;
            box-shadow: var(--shadow-card);
        }

        .article-body a {
            color: var(--accent);
            border-bottom: 1px solid rgba(212,169,78,0.3);
        }

        .article-body a:hover {
            color: var(--accent-hover);
            border-bottom-color: var(--accent-hover);
        }

        .article-body code {
            background: var(--bg-surface);
            color: var(--accent);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 13px;
        }

        .article-body pre {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px;
            overflow-x: auto;
            margin: 24px 0;
            -webkit-overflow-scrolling: touch;
        }

        .article-body pre code {
            background: transparent;
            padding: 0;
            color: var(--text-secondary);
        }

        /* ===== 文章标签与工具 ===== */
        .article-footer {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 24px 0;
            margin-top: 40px;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
        }

        .btn-copy-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 13px;
            padding: 7px 16px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: var(--transition);
            background: transparent;
        }

        .btn-copy-link:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(212,169,78,0.05);
        }

        /* ===== 返回导航 ===== */
        .article-nav-links {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0 0;
            gap: 12px;
        }

        .nav-back {
            display: flex;
            gap: 0;
            flex-wrap: wrap;
        }

        .nav-siblings {
            display: flex;
            flex-direction: column;
            gap: 6px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .nav-siblings a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        /* ===== 内容未找到 ===== */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            max-width: 560px;
            margin: 0 auto;
        }

        .article-not-found i {
            font-size: 52px;
            color: var(--text-weak);
            margin-bottom: 24px;
            display: block;
        }

        .article-not-found h2 {
            font-size: 24px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 14px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 70px 0;
            background: var(--bg-secondary);
            border-top: 1px solid #1E1E22;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 32px;
            position: relative;
            padding-top: 12px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 36px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .related-card {
            background: var(--bg-primary);
            border: 1px solid #222225;
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: var(--shadow-card);
        }

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

        .related-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-surface);
            position: relative;
        }

        .related-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0) 50%, rgba(12,12,14,0.4));
            pointer-events: none;
            transition: var(--transition);
        }

        .related-card:hover .related-thumb::after {
            background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(12,12,14,0.2));
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s cubic-bezier(.4,0,.2,1);
        }

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

        .related-info {
            padding: 18px 20px 20px;
        }

        .related-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .related-date {
            font-size: 12px;
            color: var(--text-weak);
            font-family: var(--font-num);
            letter-spacing: 0.08em;
        }

        /* ===== CTA区 ===== */
        .cta-section {
            padding: 80px 0;
            background:
                linear-gradient(180deg, rgba(16,16,19,0.92), rgba(16,16,19,0.97)),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-top: 1px solid rgba(212,169,78,0.2);
            border-bottom: 1px solid rgba(212,169,78,0.2);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .cta-note {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 20px;
            margin-bottom: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0A0A0B;
            border-top: 1px solid #1E1E22;
            padding: 54px 0 0;
        }

        .footer-grid {
            padding-bottom: 38px;
        }

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

        .footer-brand p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
            max-width: 280px;
            margin-top: 12px;
        }

        .footer-nav h4,
        .footer-statement h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-nav h4::after,
        .footer-statement h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
        }

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

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

        .footer-nav ul a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .footer-statement p {
            font-size: 12px;
            color: var(--text-weak);
            line-height: 1.75;
        }

        .footer-bottom {
            border-top: 1px solid #1E1E22;
            padding: 18px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: #54545C;
            margin: 0;
        }

        /* ===== 焦点可见性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-search {
                max-width: 240px;
            }

            .cta-section {
                padding: 60px 0;
            }
        }

        @media (max-width: 640px) {
            body {
                font-size: 14px;
            }

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

            .header-top {
                height: auto;
                padding: 10px 0;
            }

            .header-top-row {
                gap: 10px;
            }

            .brand-text {
                font-size: 15px;
            }

            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }

            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
                margin-top: 4px;
            }

            .header-top-row {
                flex-wrap: wrap;
            }

            .btn-header-cta {
                padding: 6px 14px;
                font-size: 13px;
            }

            .article-hero {
                padding: 24px 0;
            }

            .breadcrumb .current {
                max-width: 160px;
            }

            .article-section {
                padding: 36px 0 44px;
            }

            .article-main h1 {
                font-size: 26px;
            }

            .article-meta {
                gap: 12px;
                font-size: 12px;
            }

            .article-body h2 {
                font-size: 20px;
            }

            .article-body h3 {
                font-size: 17px;
            }

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

            .article-nav-links {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .section-title {
                font-size: 20px;
            }

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

            .cta-section h2 {
                font-size: 22px;
            }

            .cta-buttons .btn-primary,
            .cta-buttons .btn-outline {
                padding: 12px 28px;
                font-size: 14px;
            }

            .footer-grid {
                padding-bottom: 28px;
            }

            .footer-brand p {
                max-width: 100%;
            }

            .site-footer {
                padding-top: 40px;
            }
        }