/* roulang page: index */
:root {
  --black: #0F1115;
  --gold: #B08B4F;
  --gold-light: #C9A36B;
  --bg: #F5F1EA;
  --card: #FFFFFF;
  --text: #1F2329;
  --text-muted: #6B7280;
  --border: #E2DDD5;
  --success: #2F7D4F;
  --error: #B33A3A;
  --radius: 4px;
  --shadow: 0 8px 24px rgba(15, 17, 21, 0.08);
  --font-serif: Georgia, "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
}

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

.section {
  padding: 96px 0;
}

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

.section-head .section-title {
  font-size: 34px;
  letter-spacing: 0.02em;
}

.section-head .section-sub {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 15px;
}

.text-gold {
  color: var(--gold);
}

/* ===== 侧边栏 ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 80px;
  height: 100vh;
  background: var(--black);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 200;
}

.sidebar-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 24px 0 16px;
  color: #fff;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.sidebar-logo:hover {
  color: var(--gold-light);
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  padding: 16px 0;
}

.nav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 0;
  color: #A3A3A3;
  font-size: 11px;
  letter-spacing: 0.05em;
  transition: color 0.2s ease;
}

.nav-item:hover {
  color: #ffffff;
}

.nav-item:hover::before,
.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  height: 64%;
  width: 2px;
  background: var(--gold);
}

.nav-item.active {
  color: var(--gold);
}

.sidebar-contact {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 0;
  margin-bottom: 20px;
  color: #A3A3A3;
}

.sidebar-contact:hover {
  color: #ffffff;
}

.sidebar-contact::after {
  content: "联系邮箱 contact@sycjzx.cn";
  position: absolute;
  left: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--black);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  padding: 4px 10px;
  font-size: 12px;
  border-radius: var(--radius);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.sidebar-contact:hover::after {
  opacity: 1;
}

/* ===== 移动端头部 & 抽屉 ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--black);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 250;
}

.mobile-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.08em;
}

.burger-btn {
  background: transparent;
  border: 0;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 21, 0.5);
  z-index: 280;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}

.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 260px;
  background: var(--black);
  z-index: 300;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
}

.drawer.open {
  transform: translateX(0);
}

.drawer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 20px;
  padding: 8px 0 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 24px;
}

.drawer-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #A3A3A3;
  font-size: 15px;
  padding: 14px 8px;
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

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

.drawer-link.active {
  color: var(--gold);
  background: rgba(176, 139, 79, 0.08);
}

/* ===== 主内容区 ===== */
.main-wrapper {
  margin-left: 80px;
  min-height: 100vh;
  background: var(--bg);
}

/* ===== 倒计时条 ===== */
.countdown-bar {
  background: var(--black);
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  letter-spacing: 0.04em;
  overflow: hidden;
  white-space: nowrap;
}

.countdown-event {
  color: #ffffff;
  font-weight: 500;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.countdown-label {
  color: rgba(255, 255, 255, 0.6);
}

.countdown-block {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 28px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(176, 139, 79, 0.4);
  border-radius: 3px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0 6px;
  transition: opacity 0.15s ease, transform 0.1s ease;
}

.countdown-unit {
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  margin-left: 2px;
}

.countdown-tick {
  animation: cdFade 0.3s ease-out;
}

@keyframes cdFade {
  0% { opacity: 0.55; transform: translateY(1px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: calc(100vh - 48px);
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(15, 17, 21, 0.62), rgba(15, 17, 21, 0.62)),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  color: #ffffff;
  padding: 80px 0;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(176, 139, 79, 0.35);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 13px;
  color: var(--gold-light);
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.hero-title {
  font-size: 58px;
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: #ffffff;
}

.hero-title .gold-line {
  color: var(--gold-light);
  display: block;
  font-style: italic;
  font-weight: 500;
}

.hero-sub {
  margin-top: 20px;
  font-size: 19px;
  color: rgba(255, 255, 255, 0.72);
  max-width: 520px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 30px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  line-height: 1;
}

.btn-primary {
  background: #ffffff;
  color: var(--black);
}

.btn-primary:hover {
  background: var(--gold-light);
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(176, 139, 79, 0.28);
}

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

.btn-ghost {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  padding-bottom: 2px;
  transition: all 0.2s ease;
}

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

.hero-meta {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
}

.hero-meta-num {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--gold-light);
}

.hero-meta-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 2px;
}

/* ===== 卖点区 ===== */
.feature-section {
  background: var(--bg);
}

.feature-list {
  border-top: 1px solid var(--border);
}

.feature-row {
  display: grid;
  grid-template-columns: 90px 200px 1fr;
  align-items: center;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}

.feature-row:hover {
  background: #ffffff;
}

.feature-num {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.02em;
  transition: transform 0.2s ease;
}

.feature-row:hover .feature-num {
  transform: translateX(4px);
}

.feature-title {
  font-size: 20px;
  font-weight: 600;
}

.feature-desc {
  font-size: 16px;
  color: var(--text-muted);
}

/* ===== 图墙 ===== */
.gallery-section {
  background: var(--bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--black);
}

.gallery-item .img-wrap {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.gallery-item:hover img {
  transform: scale(1.03);
}

.gallery-item .g-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 48px 20px 16px;
  background: linear-gradient(transparent, rgba(15, 17, 21, 0.72));
  color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transform: translateY(4px);
  transition: transform 0.3s ease;
}

.gallery-item:hover .g-overlay {
  transform: translateY(0);
}

.g-time {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.g-title {
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-serif);
}

.g-col-8 {
  grid-column: span 8;
}

.g-col-4 {
  grid-column: span 4;
}

.g-col-7 {
  grid-column: span 7;
}

.g-col-5 {
  grid-column: span 5;
}

.g-img-h-lg { height: 360px; }
.g-img-h-sm { height: 280px; }

.gallery-links {
  display: flex;
  gap: 28px;
  justify-content: center;
  margin-top: 40px;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--black);
  padding: 80px 0;
  color: #ffffff;
  text-align: center;
}

.cta-section .section-title {
  color: #ffffff;
  font-size: 34px;
}

.cta-section .section-sub {
  color: rgba(255, 255, 255, 0.55);
  max-width: 480px;
  margin: 14px auto 32px;
}

.btn-gold {
  background: var(--gold);
  color: var(--black);
}

.btn-gold:hover {
  background: var(--gold-light);
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(176, 139, 79, 0.3);
}

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

/* ===== 最新动态 ===== */
.news-section {
  background: var(--bg);
}

.news-list {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}

.news-item:last-child {
  border-bottom: 0;
}

.news-item:hover {
  background: #fafaf6;
}

.news-date {
  flex-shrink: 0;
  width: 72px;
  text-align: center;
  border-right: 1px solid var(--border);
  padding-right: 20px;
  line-height: 1.2;
}

.news-day {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  display: block;
}

.news-month {
  font-size: 13px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.news-main {
  flex: 1;
  min-width: 0;
}

.news-title {
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-sans);
  transition: color 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.news-summary {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-category {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--gold);
  border: 1px solid rgba(176, 139, 79, 0.45);
  border-radius: 2px;
  padding: 2px 10px;
  white-space: nowrap;
}

.news-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s ease;
}

.news-link:hover {
  color: var(--gold);
}

.news-empty {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.news-empty svg {
  opacity: 0.4;
}

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

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item.open {
  border-color: var(--gold);
  box-shadow: var(--shadow);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-sans);
}

.faq-arrow {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 24px;
}

.faq-item.open .faq-a {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-a p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  border-left: 2px solid var(--gold);
  padding-left: 16px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--black);
  color: #A3A3A3;
  padding: 48px 0 0;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  max-width: 260px;
  line-height: 1.7;
}

.footer-head {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

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

.footer-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #ffffff;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-contact-list a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-contact-list a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.03em;
}

/* ===== 动效 reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .sidebar {
    width: 64px;
  }

  .sidebar-logo svg {
    width: 32px;
    height: 32px;
  }

  .nav-item span {
    font-size: 10px;
  }

  .main-wrapper {
    margin-left: 64px;
  }

  .hero-title {
    font-size: 48px;
  }

  .section {
    padding: 72px 0;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .sidebar {
    display: none;
  }

  .mobile-header {
    display: flex;
  }

  .main-wrapper {
    margin-left: 0;
    padding-top: 56px;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 56px 0;
  }

  .section-head .section-title {
    font-size: 28px;
  }

  .hero {
    min-height: auto;
    padding: 64px 0;
  }

  .hero-title {
    font-size: 34px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-meta {
    gap: 20px;
    flex-wrap: wrap;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 28px 0;
  }

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

  .feature-title {
    font-size: 18px;
  }

  .feature-desc {
    font-size: 14px;
  }

  .gallery-grid {
    gap: 16px;
  }

  .g-col-8,
  .g-col-4,
  .g-col-7,
  .g-col-5 {
    grid-column: span 12;
  }

  .g-img-h-lg,
  .g-img-h-sm {
    height: 220px;
  }

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

  .cta-section .section-title {
    font-size: 28px;
  }

  .btn {
    height: 40px;
    padding: 0 24px;
    font-size: 14px;
  }

  .news-item {
    flex-wrap: wrap;
    padding: 16px;
    gap: 12px;
  }

  .news-date {
    width: 56px;
    padding-right: 14px;
  }

  .news-day {
    font-size: 22px;
  }

  .news-title,
  .news-summary {
    white-space: normal;
  }

  .news-category {
    display: none;
  }

  .news-link {
    margin-left: auto;
  }

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

@media (max-width: 520px) {
  .container {
    padding: 0 14px;
  }

  .countdown-bar {
    gap: 6px;
    font-size: 12px;
    padding: 0 8px;
  }

  .countdown-event {
    max-width: 110px;
  }

  .countdown-block {
    min-width: 28px;
    height: 24px;
    font-size: 15px;
    padding: 0 4px;
  }

  .countdown-unit {
    display: none;
  }

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

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

  .hero-actions {
    gap: 14px;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-meta {
    gap: 16px;
  }

  .hero-meta-num {
    font-size: 22px;
  }

  .hero-meta-label {
    font-size: 12px;
  }

  .section-head .section-title {
    font-size: 24px;
  }

  .gallery-links {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .footer-grid {
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .gallery-item img {
    transform: none !important;
  }

  .g-overlay {
    transform: none !important;
  }

  .countdown-block {
    animation: none !important;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-dark: #0F1115;
            --color-dark-2: #1A1C22;
            --color-gold: #B08B4F;
            --color-gold-light: #C9A86B;
            --color-gold-dark: #8E6D3C;
            --color-bg: #F5F1EA;
            --color-card: #FFFFFF;
            --color-text: #1F2329;
            --color-text-2: #6B7280;
            --color-border: #E2DDD5;
            --color-success: #2F7D4F;
            --color-error: #B33A3A;
            --radius: 4px;
            --shadow-hover: 0 8px 24px rgba(15, 17, 21, 0.08);
            --shadow-gold: 0 8px 24px rgba(176, 139, 79, 0.3);
            --font-serif: "Noto Serif SC", "Source Han Serif CN", "Songti SC", "SimSun", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
            --transition: 0.3s ease;
            --sidebar-w: 80px;
            --container-w: 1200px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        input,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-serif);
            font-weight: 600;
            line-height: 1.2;
            color: var(--color-text);
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 96px 0;
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-head h2 {
            font-size: 34px;
            line-height: 1.2;
            letter-spacing: 0.02em;
            position: relative;
            padding-bottom: 18px;
        }
        .section-head h2::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 2px;
            background: var(--color-gold);
        }
        .section-desc {
            margin-top: 12px;
            font-size: 15px;
            color: var(--color-text-2);
            line-height: 1.7;
            max-width: 560px;
        }

        /* ===== 左侧导航 ===== */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: var(--color-dark);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 28px 0 20px;
            transition: transform 0.3s ease;
        }
        .sidebar-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            height: 100%;
            width: 100%;
        }
        .sidebar-logo {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 4px 0 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            width: 100%;
        }
        .sidebar-logo span {
            font-family: var(--font-serif);
            font-size: 12px;
            color: #fff;
            letter-spacing: 0.08em;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding-top: 32px;
            gap: 8px;
            width: 100%;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 12px 0;
            width: 100%;
            color: rgba(255, 255, 255, 0.65);
            font-size: 11px;
            letter-spacing: 0.04em;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }
        .nav-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 2px;
            height: 0;
            background: var(--color-gold);
            transition: height var(--transition);
        }
        .nav-item:hover {
            color: #fff;
        }
        .nav-item:hover::before {
            height: 32px;
        }
        .nav-item.active {
            color: var(--color-gold);
        }
        .nav-item.active::before {
            height: 32px;
        }
        .sidebar-bottom {
            padding-bottom: 8px;
        }
        .sidebar-contact {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 11px;
            padding: 10px 0;
            transition: color var(--transition);
        }
        .sidebar-contact:hover {
            color: var(--color-gold);
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            height: 56px;
            background: var(--color-dark);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-logo span {
            font-family: var(--font-serif);
            font-size: 18px;
            color: #fff;
            letter-spacing: 0.04em;
        }
        .menu-toggle {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
        }
        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 17, 21, 0.5);
            z-index: 998;
        }
        .nav-overlay.active {
            display: block;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(15, 17, 21, 0.85) 0%, rgba(15, 17, 21, 0.5) 60%, rgba(15, 17, 21, 0.2) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 80px;
            padding-bottom: 80px;
        }
        .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--color-gold);
        }
        .breadcrumb-sep {
            opacity: 0.4;
        }
        .page-hero h1 {
            font-size: 56px;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            line-height: 1.15;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 480px;
            line-height: 1.7;
            margin-bottom: 40px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 32px;
            font-size: 15px;
            font-weight: 500;
            border-radius: 2px;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--color-dark);
            color: #fff;
            border-color: var(--color-dark);
        }
        .btn-primary:hover {
            background: var(--color-gold);
            border-color: var(--color-gold);
            color: #111;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .btn-ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-ghost:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .btn-gold {
            background: var(--color-gold);
            color: #111;
            border-color: var(--color-gold);
        }
        .btn-gold:hover {
            background: var(--color-gold-light);
            border-color: var(--color-gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        /* ===== 卖点区（竖排杂志目录式） ===== */
        .feature-section {
            background: var(--color-bg);
        }
        .feature-list {
            border-top: 1px solid var(--color-border);
        }
        .feature-row {
            display: grid;
            grid-template-columns: 80px 1fr 1.4fr;
            align-items: center;
            gap: 24px;
            padding: 40px 0;
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition);
            cursor: default;
        }
        .feature-row:hover {
            background: var(--color-card);
            box-shadow: var(--shadow-hover);
        }
        .feature-row:hover .feature-num {
            transform: translateX(4px);
        }
        .feature-num {
            font-family: var(--font-serif);
            font-size: 32px;
            color: var(--color-gold);
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: transform var(--transition);
        }
        .feature-row h3 {
            font-size: 20px;
            font-weight: 600;
            letter-spacing: 0.01em;
        }
        .feature-row p {
            font-size: 15px;
            color: var(--color-text-2);
            line-height: 1.7;
        }

        /* ===== 图墙 ===== */
        .gallery-section {
            background: var(--color-card);
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            grid-auto-rows: auto;
            gap: 16px;
        }
        .gallery-item {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 280px;
            background: var(--color-dark);
        }
        .gallery-large {
            grid-column: span 8;
            height: 340px;
        }
        .gallery-item:not(.gallery-large) {
            grid-column: span 4;
            height: 280px;
        }
        .gallery-item:nth-child(2) {
            grid-column: span 4;
        }
        .gallery-item:nth-child(3) {
            grid-column: span 4;
        }
        .gallery-item:nth-child(4) {
            grid-column: span 8;
        }
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .gallery-item:hover img {
            transform: scale(1.03);
        }
        .gallery-item::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 60%;
            background: linear-gradient(transparent, rgba(15, 17, 21, 0.75));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .gallery-item:hover::after {
            opacity: 1;
        }
        .gallery-item figcaption {
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 16px;
            z-index: 2;
            transform: translateY(8px);
            transition: transform var(--transition);
        }
        .gallery-item:hover figcaption {
            transform: translateY(0);
        }
        .gallery-date {
            display: block;
            font-size: 12px;
            color: var(--color-gold);
            letter-spacing: 0.06em;
            margin-bottom: 4px;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .gallery-item:hover .gallery-date {
            opacity: 1;
        }
        .gallery-title {
            display: block;
            font-family: var(--font-serif);
            font-size: 15px;
            color: #fff;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        /* ===== 流程 ===== */
        .process-section {
            background: var(--color-bg);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .process-step {
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 32px 24px;
            background: var(--color-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-num {
            font-family: var(--font-serif);
            font-size: 28px;
            color: var(--color-gold);
            font-weight: 600;
            display: block;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--color-text-2);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            transition: border-color var(--transition), box-shadow var(--transition);
            overflow: hidden;
        }
        .faq-item.active {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 1px rgba(176, 139, 79, 0.15);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--color-gold);
        }
        .faq-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg);
            color: var(--color-text-2);
            transition: transform var(--transition), background var(--transition);
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            background: var(--color-gold);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--color-text-2);
            line-height: 1.7;
            border-top: 1px solid transparent;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 16px 24px 20px;
            border-top-color: var(--color-border);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-dark);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 1px solid rgba(176, 139, 79, 0.15);
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 1px solid rgba(176, 139, 79, 0.1);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 34px;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 32px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-dark);
            padding: 56px 0 24px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .footer-brand span {
            font-family: var(--font-serif);
            font-size: 18px;
            color: #fff;
            letter-spacing: 0.04em;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }
        .footer-head {
            font-size: 14px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-link {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-contact-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact-list a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact-list a:hover {
            color: var(--color-gold);
        }
        .footer-bottom {
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.02em;
        }

        /* ===== 动画 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.3s ease-out, transform 0.3s ease-out;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --sidebar-w: 64px;
            }
            .feature-row {
                grid-template-columns: 64px 1fr 1.2fr;
                gap: 16px;
                padding: 32px 0;
            }
            .feature-num {
                font-size: 26px;
            }
            .page-hero h1 {
                font-size: 42px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 260px;
                padding: 20px 0;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-logo {
                flex-direction: row;
                justify-content: center;
                gap: 12px;
                padding: 8px 20px 20px;
            }
            .sidebar-logo span {
                font-size: 16px;
                letter-spacing: 0.06em;
            }
            .sidebar-nav {
                align-items: flex-start;
                padding: 16px 20px;
                gap: 4px;
            }
            .nav-item {
                flex-direction: row;
                gap: 14px;
                padding: 14px 12px;
                font-size: 14px;
                border-radius: var(--radius);
            }
            .nav-item::before {
                left: -8px;
                top: 50%;
                transform: translateY(-50%);
                height: 24px;
            }
            .nav-item.active {
                background: rgba(176, 139, 79, 0.1);
            }
            .sidebar-bottom {
                padding: 12px 20px;
            }
            .sidebar-contact {
                flex-direction: row;
                gap: 12px;
                font-size: 14px;
                padding: 12px;
                border-radius: var(--radius);
            }
            .sidebar-contact:hover {
                background: rgba(176, 139, 79, 0.1);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .nav-overlay.active {
                display: block;
            }
            .section {
                padding: 64px 0;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .page-hero {
                min-height: 420px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn {
                width: 100%;
                max-width: 280px;
            }
            .feature-row {
                grid-template-columns: 48px 1fr;
                gap: 8px 16px;
                padding: 24px 0;
            }
            .feature-row p {
                grid-column: 2;
                font-size: 14px;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            .gallery-large,
            .gallery-item:not(.gallery-large),
            .gallery-item:nth-child(2),
            .gallery-item:nth-child(3),
            .gallery-item:nth-child(4) {
                grid-column: span 1;
                height: 240px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 24px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 14px 18px 16px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .feature-num {
                font-size: 22px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .gallery-item,
            .gallery-large {
                height: 200px;
            }
        }
        @media (max-width: 375px) {
            .page-hero h1 {
                font-size: 26px;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
    :root {
      --primary: #0F1115;
      --accent: #B08B4F;
      --accent-light: #C6A66F;
      --bg: #F5F1EA;
      --card: #FFFFFF;
      --text: #1F2329;
      --text-muted: #6B7280;
      --border: #E2DDD5;
      --success: #2F7D4F;
      --error: #B33A3A;
      --radius: 4px;
      --shadow: 0 8px 24px rgba(15,17,21,0.08);
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
      --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --sidebar-w: 80px;
      --container-w: 1200px;
      --section-gap: 96px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font-sans);
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      font-size: 16px;
      min-height: 100vh;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
    }
    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
    }
    ul, ol {
      list-style: none;
    }

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

    /* ===== Typography ===== */
    h1, h2, h3, h4 {
      font-family: var(--font-serif);
      line-height: 1.2;
      font-weight: 600;
    }
    h1 {
      font-size: 48px;
    }
    h2 {
      font-size: 32px;
    }
    h3 {
      font-size: 20px;
    }
    p {
      line-height: 1.8;
    }
    .text-muted {
      color: var(--text-muted);
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 28px;
      border-radius: var(--radius);
      font-size: 15px;
      font-weight: 500;
      letter-spacing: 0.02em;
      transition: background 0.25s, color 0.25s, transform 0.2s, box-shadow 0.25s, border-color 0.25s;
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--accent);
      color: #0F1115;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(176,139,79,0.3);
    }
    .btn-secondary {
      background: var(--accent);
      color: #0F1115;
    }
    .btn-secondary:hover {
      background: var(--accent-light);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(176,139,79,0.3);
    }
    .btn-ghost {
      background: transparent;
      color: #fff;
      border-color: rgba(255,255,255,0.35);
    }
    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--accent);
    }
    .btn-outline {
      background: transparent;
      color: var(--text);
      border-color: var(--border);
    }
    .btn-outline:hover {
      border-color: var(--accent);
      color: var(--accent);
    }
    .btn:focus-visible {
      outline: 3px solid rgba(176,139,79,0.4);
      outline-offset: 2px;
    }

    /* ===== Sidebar (Desktop) ===== */
    .sidebar {
      position: fixed;
      left: 0;
      top: 0;
      bottom: 0;
      width: var(--sidebar-w);
      background: var(--primary);
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 28px 0 20px;
      z-index: 200;
    }
    .sidebar-brand {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      margin-bottom: 32px;
      border-radius: 50%;
      background: rgba(176,139,79,0.1);
      transition: background 0.3s;
    }
    .sidebar-brand:hover {
      background: rgba(176,139,79,0.22);
    }
    .sidebar-nav {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 18px;
      width: 100%;
      padding: 0 10px;
    }
    .nav-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
      padding: 12px 4px;
      border-radius: var(--radius);
      color: #9BA3AF;
      font-size: 12px;
      line-height: 1.4;
      position: relative;
      transition: color 0.25s, background 0.25s;
    }
    .nav-item::before {
      content: "";
      position: absolute;
      left: -10px;
      top: 18%;
      bottom: 18%;
      width: 2px;
      background: var(--accent);
      border-radius: 2px;
      opacity: 0;
      transition: opacity 0.25s;
    }
    .nav-item:hover {
      color: #fff;
      background: rgba(255,255,255,0.04);
    }
    .nav-item:hover::before {
      opacity: 1;
    }
    .nav-item.active {
      color: var(--accent);
    }
    .nav-item.active::before {
      opacity: 1;
    }
    .sidebar-contact {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      color: #6B7280;
      transition: color 0.25s, background 0.25s;
    }
    .sidebar-contact:hover {
      color: var(--accent);
      background: rgba(255,255,255,0.04);
    }

    /* ===== Main Wrapper ===== */
    .main-wrapper {
      margin-left: var(--sidebar-w);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    .main-content {
      flex: 1;
    }

    /* ===== Mobile Header ===== */
    .mobile-header {
      display: none;
      position: sticky;
      top: 0;
      z-index: 150;
      height: 56px;
      background: var(--primary);
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
    }
    .mobile-brand {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #fff;
      font-family: var(--font-serif);
      font-size: 16px;
      font-weight: 600;
    }
    .menu-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 4px;
      color: #fff;
    }
    .menu-toggle:hover {
      background: rgba(255,255,255,0.08);
    }

    /* ===== Mobile Drawer ===== */
    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(15,17,21,0.5);
      z-index: 250;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s, visibility 0.3s;
    }
    .drawer-overlay.open {
      opacity: 1;
      visibility: visible;
    }
    .mobile-drawer {
      position: fixed;
      top: 0;
      bottom: 0;
      left: 0;
      width: 260px;
      background: var(--primary);
      z-index: 260;
      transform: translateX(-100%);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      padding: 24px 0;
    }
    .mobile-drawer.open {
      transform: translateX(0);
    }
    .drawer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 0 24px;
      color: #fff;
      font-family: var(--font-serif);
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 32px;
    }
    .drawer-close {
      margin-left: auto;
      color: #6B7280;
      font-size: 24px;
      line-height: 1;
      width: 32px;
      height: 32px;
      border-radius: 4px;
    }
    .drawer-close:hover {
      color: var(--accent);
      background: rgba(255,255,255,0.06);
    }
    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 0 16px;
    }
    .drawer-nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 16px;
      border-radius: 6px;
      color: #9BA3AF;
      font-size: 15px;
      transition: background 0.25s, color 0.25s;
    }
    .drawer-nav-item svg {
      flex-shrink: 0;
    }
    .drawer-nav-item:hover {
      background: rgba(255,255,255,0.05);
      color: #fff;
    }
    .drawer-nav-item.active {
      color: var(--accent);
      background: rgba(176,139,79,0.1);
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-wrap {
      margin-bottom: 32px;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
    }
    .breadcrumb a {
      transition: color 0.2s;
    }
    .breadcrumb a:hover {
      color: var(--accent);
    }
    .breadcrumb .current {
      color: var(--text);
      font-weight: 500;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      max-width: 280px;
    }
    .breadcrumb-sep {
      color: #C1BDB6;
    }

    /* ===== Article Header ===== */
    .article-page {
      padding-top: 56px;
      padding-bottom: 40px;
    }
    .article-header {
      max-width: 900px;
      margin: 0 auto 40px;
    }
    .article-category {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      border-radius: 20px;
      background: rgba(176,139,79,0.12);
      color: var(--accent);
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 16px;
    }
    .article-header h1 {
      font-size: 44px;
      line-height: 1.2;
      margin-bottom: 20px;
      letter-spacing: 0.01em;
    }
    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      color: var(--text-muted);
      font-size: 14px;
    }
    .article-meta .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .article-meta .meta-item svg {
      opacity: 0.65;
    }

    /* ===== Article Body ===== */
    .article-body {
      max-width: 760px;
      margin: 0 auto 48px;
    }
    .article-body :deep(p) {
      margin-bottom: 24px;
    }
    .article-content {
      font-size: 17px;
      line-height: 1.8;
      color: var(--text);
    }
    .article-content p {
      margin-bottom: 24px;
    }
    .article-content h2 {
      font-size: 27px;
      margin-top: 48px;
      margin-bottom: 16px;
      padding-bottom: 8px;
      border-bottom: 1px solid var(--border);
    }
    .article-content h3 {
      font-size: 21px;
      margin-top: 36px;
      margin-bottom: 14px;
    }
    .article-content blockquote {
      border-left: 3px solid var(--accent);
      background: rgba(176,139,79,0.07);
      padding: 18px 24px;
      margin: 28px 0;
      border-radius: 0 var(--radius) var(--radius) 0;
    }
    .article-content blockquote p {
      margin-bottom: 0;
      color: #4B5563;
    }
    .article-content img {
      width: 100%;
      border-radius: var(--radius);
      margin: 28px 0;
    }
    .article-content ul,
    .article-content ol {
      margin: 16px 0 24px;
      padding-left: 24px;
    }
    .article-content ul {
      list-style: disc;
    }
    .article-content ol {
      list-style: decimal;
    }
    .article-content li {
      margin-bottom: 8px;
      line-height: 1.8;
    }
    .article-content a {
      color: var(--accent);
      text-decoration: underline;
      text-underline-offset: 3px;
    }
    .article-content a:hover {
      text-decoration-thickness: 2px;
    }
    .article-content code {
      background: #F1F0EC;
      padding: 2px 6px;
      border-radius: 3px;
      font-size: 0.92em;
    }

    /* ===== Article Tags ===== */
    .article-tags {
      max-width: 760px;
      margin: 0 auto 48px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 13px;
      background: var(--card);
      border: 1px solid var(--border);
      color: var(--text-muted);
      transition: border-color 0.2s, color 0.2s;
    }
    .tag:hover {
      border-color: var(--accent);
      color: var(--accent);
    }

    /* ===== Related Section ===== */
    .related-section {
      max-width: 900px;
      margin: 0 auto 72px;
    }
    .related-section h2 {
      font-size: 26px;
      margin-bottom: 28px;
      position: relative;
      padding-left: 16px;
    }
    .related-section h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: 8px;
      bottom: 8px;
      width: 3px;
      border-radius: 2px;
      background: var(--accent);
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .related-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }
    .related-cover {
      position: relative;
      height: 170px;
      overflow: hidden;
    }
    .related-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .related-card:hover .related-cover img {
      transform: scale(1.05);
    }
    .related-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(15,17,21,0.35), transparent 60%);
      transition: opacity 0.3s;
    }
    .related-info {
      padding: 18px;
    }
    .related-info .related-cat {
      font-size: 12px;
      color: var(--accent);
      font-weight: 500;
      margin-bottom: 6px;
    }
    .related-info h3 {
      font-size: 16px;
      line-height: 1.5;
      margin-bottom: 8px;
      color: var(--text);
      transition: color 0.2s;
    }
    .related-card:hover .related-info h3 {
      color: var(--accent);
    }
    .related-info .related-time {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* ===== CTA Section ===== */
    .cta-section {
      background: var(--primary);
      padding: 80px 24px;
      text-align: center;
    }
    .cta-inner {
      max-width: 720px;
      margin: 0 auto;
    }
    .cta-inner h2 {
      color: #fff;
      font-size: 32px;
      margin-bottom: 12px;
    }
    .cta-inner p {
      color: #9BA3AF;
      font-size: 16px;
      margin-bottom: 32px;
    }
    .cta-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ===== FAQ Section ===== */
    .faq-section {
      padding: 80px 0;
      background: var(--bg);
    }
    .faq-section h2 {
      text-align: center;
      font-size: 30px;
      margin-bottom: 48px;
      position: relative;
    }
    .faq-list {
      max-width: 760px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      transition: border-color 0.3s;
    }
    .faq-item.open {
      border-color: var(--accent);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 22px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      cursor: pointer;
      width: 100%;
      text-align: left;
      background: transparent;
      transition: color 0.2s;
    }
    .faq-question:hover {
      color: var(--accent);
    }
    .faq-icon {
      flex-shrink: 0;
      transition: transform 0.3s;
      color: var(--accent);
      margin-left: 16px;
    }
    .faq-item.open .faq-icon {
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      padding: 0 22px;
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
      padding-bottom: 18px;
    }
    .faq-answer p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* ===== Not Found ===== */
    .not-found {
      max-width: 720px;
      margin: 80px auto;
      text-align: center;
      padding: 60px 24px;
      background: var(--card);
      border: 1px dashed var(--border);
      border-radius: var(--radius);
    }
    .not-found h1 {
      font-size: 36px;
      margin-bottom: 16px;
    }
    .not-found p {
      color: var(--text-muted);
      margin-bottom: 28px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--primary);
      color: #9BA3AF;
      padding: 48px 0 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 40px;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-family: var(--font-serif);
      font-size: 20px;
      font-weight: 600;
      margin-bottom: 14px;
    }
    .footer-desc {
      font-size: 14px;
      color: #8A919C;
      line-height: 1.7;
      max-width: 320px;
    }
    .footer-head {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 18px;
    }
    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-link {
      font-size: 14px;
      color: #9BA3AF;
      transition: color 0.2s;
    }
    .footer-link:hover {
      color: #fff;
    }
    .footer-contact-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 14px;
    }
    .footer-contact-list a {
      color: #9BA3AF;
      transition: color 0.2s;
    }
    .footer-contact-list a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #6E7681;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      :root {
        --sidebar-w: 64px;
      }
      h1 {
        font-size: 40px;
      }
      .article-header h1 {
        font-size: 36px;
      }
      .cta-section {
        padding: 64px 24px;
      }
      .faq-section {
        padding: 64px 0;
      }
    }

    @media (max-width: 768px) {
      .sidebar {
        display: none;
      }
      .mobile-header {
        display: flex;
      }
      .main-wrapper {
        margin-left: 0;
      }
      .container {
        padding: 0 16px;
      }
      h1 {
        font-size: 32px;
      }
      h2 {
        font-size: 26px;
      }
      .article-page {
        padding-top: 32px;
      }
      .article-header h1 {
        font-size: 30px;
      }
      .article-meta {
        gap: 12px;
        font-size: 13px;
      }
      .article-body {
        font-size: 16px;
      }
      .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .related-cover {
        height: 190px;
      }
      .cta-section {
        padding: 56px 16px;
      }
      .cta-inner h2 {
        font-size: 26px;
      }
      .faq-section {
        padding: 48px 16px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 28px;
      }
      .article-header h1 {
        font-size: 26px;
      }
      .breadcrumb .current {
        max-width: 160px;
      }
      .cta-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
      }
      .cta-actions .btn {
        width: 100%;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
      }
      html {
        scroll-behavior: auto;
      }
    }

/* roulang page: category2 */
:root {
            --primary: #0F1115;
            --accent: #B08B4F;
            --accent-light: #C9A76B;
            --bg: #F5F1EA;
            --card: #FFFFFF;
            --text: #1F2329;
            --text-weak: #6B7280;
            --border: #E2DDD5;
            --success: #2F7D4F;
            --error: #B33A3A;
            --warning: #B08B4F;
            --radius: 4px;
            --shadow-card: 0 8px 24px rgba(15, 17, 21, 0.08);
            --container-w: 1200px;
            --space-lg: 96px;
            --space-md: 64px;
            --space-sm: 48px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 80px;
            height: 100vh;
            background: var(--primary);
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 24px 0;
            z-index: 100;
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 40px;
            color: #fff;
            gap: 6px;
        }
        .sidebar-brand svg {
            width: 32px;
            height: 32px;
        }
        .sidebar-brand span {
            font-size: 11px;
            letter-spacing: 1px;
            color: rgba(255, 255, 255, 0.7);
            white-space: nowrap;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
            width: 100%;
            flex: 1;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 14px 0;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s, background 0.2s;
            border-left: 2px solid transparent;
            gap: 4px;
            position: relative;
            font-size: 12px;
        }
        .nav-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            border-left-color: var(--accent);
        }
        .nav-item.active {
            color: var(--accent);
            border-left-color: var(--accent);
            background: rgba(176, 139, 79, 0.08);
        }
        .nav-item span {
            font-size: 11px;
            letter-spacing: 0.5px;
        }
        .sidebar-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .sidebar-bottom .icon-btn {
            color: rgba(255, 255, 255, 0.4);
            transition: color 0.2s;
            position: relative;
        }
        .sidebar-bottom .icon-btn:hover {
            color: var(--accent);
        }
        .main-wrapper {
            margin-left: 80px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .mobile-header {
            display: none;
            height: 56px;
            background: var(--primary);
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            position: sticky;
            top: 0;
            z-index: 99;
        }
        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 600;
            font-size: 16px;
        }
        .mobile-brand svg {
            width: 24px;
            height: 24px;
        }
        .hamburger-btn {
            background: none;
            border: none;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius);
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 260px;
            height: 100vh;
            background: var(--primary);
            z-index: 200;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            padding: 24px 16px;
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 199;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s;
        }
        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .drawer-close {
            background: none;
            border: none;
            color: #fff;
            align-self: flex-end;
            font-size: 18px;
            padding: 8px;
            cursor: pointer;
        }
        .drawer-nav {
            margin-top: 32px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .drawer-nav .nav-item {
            flex-direction: row;
            padding: 12px 16px;
            border-left: 2px solid transparent;
            color: rgba(255, 255, 255, 0.7);
            gap: 12px;
            font-size: 14px;
        }
        .drawer-nav .nav-item.active {
            color: var(--accent);
            border-left-color: var(--accent);
        }
        .drawer-nav .nav-item span {
            font-size: 14px;
        }
        .page-hero {
            background: var(--primary);
            padding: 80px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.15;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 24px;
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            opacity: 0.4;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 600;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-hero h1 .accent {
            color: var(--accent);
        }
        .page-hero .subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            line-height: 1.7;
        }
        .page-section {
            padding: var(--space-lg) 0;
        }
        .page-section.tight {
            padding: 48px 0;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.2;
            position: relative;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 680px;
            line-height: 1.7;
        }
        .feature-list {
            margin-top: 40px;
            border-top: 1px solid var(--border);
        }
        .feature-item {
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s, transform 0.2s;
        }
        .feature-item:hover {
            background: var(--card);
            padding-left: 16px;
            padding-right: 16px;
        }
        .feature-num {
            font-family: var(--font-serif);
            font-size: 32px;
            color: var(--accent);
            font-weight: 600;
            min-width: 64px;
            text-align: right;
            letter-spacing: 2px;
        }
        .feature-text {
            flex: 1;
        }
        .feature-text h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }
        .feature-desc {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.6;
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .scenario-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 24px;
            transition: box-shadow 0.25s, transform 0.25s;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .scenario-card .badge {
            display: inline-block;
            background: rgba(176, 139, 79, 0.1);
            color: var(--accent);
            font-size: 13px;
            padding: 4px 10px;
            border-radius: 2px;
            font-weight: 500;
            margin-bottom: 16px;
        }
        .scenario-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }
        .process-section {
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .process-steps {
            display: flex;
            gap: 32px;
            margin-top: 48px;
            position: relative;
            counter-reset: step;
        }
        .process-steps::before {
            content: "";
            position: absolute;
            top: 28px;
            left: 8%;
            right: 8%;
            height: 1px;
            background: var(--border);
            z-index: 1;
        }
        .step-item {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 600;
            margin: 0 auto 16px;
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 1px var(--border);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
            max-width: 180px;
            margin: 0 auto;
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 16px;
            margin-top: 40px;
        }
        .gallery-item {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius);
            height: 280px;
            background: var(--primary);
        }
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .gallery-item:hover img {
            transform: scale(1.03);
        }
        .gallery-item::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(15, 17, 21, 0.7) 0%, transparent 60%);
            z-index: 1;
        }
        .gallery-item .gallery-caption {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            z-index: 2;
            color: #fff;
            font-size: 14px;
            transition: transform 0.3s ease;
        }
        .gallery-item .gallery-caption .time {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            display: block;
            margin-bottom: 4px;
        }
        .gallery-item:hover .gallery-caption {
            transform: translateY(-4px);
        }
        .gallery-item.wide {
            grid-column: span 8;
        }
        .gallery-item.narrow {
            grid-column: span 4;
        }
        .gallery-item.row-reverse.wide {
            grid-column: span 4;
        }
        .gallery-item.row-reverse.narrow {
            grid-column: span 8;
        }
        .cta-section {
            background: var(--primary);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 500;
            border: none;
            transition: all 0.2s ease;
            gap: 8px;
        }
        .btn-primary {
            background: var(--accent);
            color: #0F1115;
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(176, 139, 79, 0.3);
        }
        .btn-dark {
            background: var(--primary);
            color: #fff;
        }
        .btn-dark:hover {
            background: var(--accent);
            color: #0F1115;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(176, 139, 79, 0.3);
        }
        .btn-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
        }
        .btn-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .faq-section {
            padding: var(--space-lg) 0;
        }
        .faq-list {
            margin-top: 32px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: border-color 0.3s;
        }
        .faq-item.open {
            border-color: var(--accent);
        }
        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: none;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            text-align: left;
        }
        .faq-question .arrow {
            min-width: 20px;
            height: 20px;
            position: relative;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-question .arrow::before,
        .faq-question .arrow::after {
            content: "";
            position: absolute;
            background: var(--accent);
            transition: transform 0.3s;
        }
        .faq-question .arrow::before {
            width: 10px;
            height: 1.5px;
            top: 50%;
            left: 0;
            transform: translateY(-50%);
        }
        .faq-question .arrow::after {
            width: 1.5px;
            height: 10px;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
        }
        .faq-item.open .faq-question .arrow::after {
            transform: translate(-50%, -50%) scaleY(0);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 24px;
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .site-footer {
            background: var(--primary);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }
        .footer-brand span {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            font-family: var(--font-serif);
        }
        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-head {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-link {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-link::before {
            content: "";
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            opacity: 0;
            transition: opacity 0.2s;
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-link:hover::before {
            opacity: 1;
        }
        .footer-contact-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact-list a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }
        .footer-contact-list a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .img-note {
            font-size: 13px;
            color: var(--text-weak);
            text-align: center;
            margin-top: 12px;
        }
        @media (max-width: 1024px) {
            .sidebar {
                width: 64px;
            }
            .sidebar-brand span {
                font-size: 10px;
            }
            .nav-item span {
                font-size: 10px;
            }
            .main-wrapper {
                margin-left: 64px;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero {
                padding: 56px 0 40px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero .subtitle {
                font-size: 16px;
            }
            .page-section {
                padding: var(--space-sm) 0;
            }
            .section-title {
                font-size: 26px;
            }
            .feature-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 20px 0;
            }
            .feature-item:hover {
                padding-left: 0;
                padding-right: 0;
            }
            .feature-num {
                min-width: auto;
                text-align: left;
                font-size: 26px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-steps {
                flex-direction: column;
                gap: 24px;
            }
            .process-steps::before {
                display: none;
            }
            .gallery-item.wide,
            .gallery-item.narrow,
            .gallery-item.row-reverse.wide,
            .gallery-item.row-reverse.narrow {
                grid-column: span 12;
            }
            .gallery-item {
                height: 220px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .btn {
                width: 100%;
            }
            .btn-group {
                width: 100%;
                flex-direction: column;
            }
            .btn-group .btn {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
            }
        }
        .btn-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .focus\\:outline-none:focus {
            outline: none;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }