/* roulang page: index */
/* =====================================================
   Design Tokens
   ===================================================== */
:root {
  --color-bg: #16181d;
  --color-bg-deep: #121417;
  --color-bg-card: #1f2329;
  --color-bg-raised: #242933;
  --color-accent: #f59e0b;
  --color-accent-hover: #fbbf24;
  --color-accent-dim: rgba(245, 158, 11, 0.12);
  --color-metal: #cbd5e1;
  --color-metal-dim: #8a94a3;
  --color-lime: #a3e635;
  --color-paper: #f5f1e8;
  --color-text-high: #e5e7eb;
  --color-text-mid: #9ca3af;
  --color-text-dark: #2a2e35;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.14);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-btn: 0 2px 12px rgba(245, 158, 11, 0.3);
  --sidebar-width: 248px;
  --space-section: 72px;
  --space-section-sm: 40px;
  --font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

/* =====================================================
   Reset & Base
   ===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-high);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

input:focus, button:focus, a:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid rgba(245, 158, 11, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

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

section {
  scroll-margin-top: 70px;
}

/* =====================================================
   Layout Shell
   ===================================================== */
.site-shell {
  min-height: 100vh;
}

.main-area {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =====================================================
   Sidebar / Vertical Nav
   ===================================================== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--color-bg-deep);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: 32px 20px 24px;
  z-index: 1050;
  overflow-y: auto;
}

.brand {
  display: block;
  padding: 8px 4px 4px;
}

.brand-logo {
  display: block;
  font-size: 1.55rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.brand-logo .lg-accent {
  color: var(--color-accent);
}

.brand-sub {
  display: block;
  margin-top: 2px;
  font-size: 0.8rem;
  color: var(--color-metal);
  letter-spacing: 0.08em;
}

.brand-tip {
  margin: 16px 4px 24px;
  padding: 8px 12px;
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--color-metal);
  text-align: center;
  border-left: 3px solid var(--color-accent);
  letter-spacing: 0.04em;
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  color: var(--color-metal);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background-color 0.2s, color 0.2s;
}

.nav-item i {
  width: 22px;
  margin-right: 10px;
  font-size: 0.95rem;
  text-align: center;
  color: var(--color-metal-dim);
  transition: color 0.2s;
}

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

.nav-item:hover i {
  color: var(--color-accent);
}

.nav-item.active {
  background: var(--color-accent-dim);
  color: #fff;
  border-color: rgba(245, 158, 11, 0.15);
  box-shadow: inset 3px 0 0 var(--color-accent);
}

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

.sidebar-foot {
  margin-top: auto;
  padding: 16px 4px 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-metal-dim);
  line-height: 1.6;
}

.sidebar-foot p + p {
  margin-top: 4px;
}

/* =====================================================
   Mobile Header
   ===================================================== */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background-color: var(--color-bg-deep);
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 1040;
}

.mobile-brand {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
}

.mobile-brand .lg-accent {
  color: var(--color-accent);
}

.menu-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-metal);
  font-size: 1.2rem;
  cursor: pointer;
  transition: background-color 0.2s;
}

.menu-toggle:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1090;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

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

/* =====================================================
   Buttons
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.4;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #171717;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: #171717;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-metal);
  color: var(--color-metal);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(245, 158, 11, 0.08);
}

.btn-outline:active {
  transform: scale(0.98);
}

.btn-link-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 4px;
  background: transparent;
  border: none;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn-link-text:hover {
  text-decoration: underline;
  color: var(--color-accent-hover);
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
  position: relative;
  min-height: calc(100vh - 0px);
  display: flex;
  align-items: center;
  padding: 80px 48px 70px;
  overflow: hidden;
  background-color: #121416;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.65) 50%, rgba(0,0,0,0.45) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  color: var(--color-metal);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-lime);
  box-shadow: 0 0 8px rgba(163, 230, 53, 0.8);
  display: inline-block;
}

.hero-badge .dot.pulse {
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}

.hero-title .hl {
  color: var(--color-accent);
}

.hero-sub {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--color-metal);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

/* =====================================================
   Countdown
   ===================================================== */
.countdown-box {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(245, 158, 11, 0.5);
  border-radius: 12px;
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.countdown-label {
  font-size: 0.85rem;
  color: var(--color-metal);
  white-space: nowrap;
  letter-spacing: 0.06em;
}

.countdown {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cd-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 52px;
  padding: 6px 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}

.cd-item span {
  font-size: 1.7rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
}

.cd-item em {
  font-style: normal;
  font-size: 0.7rem;
  color: var(--color-metal-dim);
  margin-top: 2px;
}

.cd-sep {
  font-size: 1.4rem;
  color: var(--color-accent);
  font-weight: 700;
  padding: 0 2px;
  margin-top: -10px;
}

/* =====================================================
   Section Common
   ===================================================== */
.section {
  padding: var(--space-section) 48px;
}

.section-header {
  margin-bottom: 40px;
}

.section-header .section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-header h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  margin-bottom: 12px;
}

.section-header .section-desc {
  font-size: 0.95rem;
  color: var(--color-text-mid);
  max-width: 640px;
  line-height: 1.7;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

/* =====================================================
   Timeline Section
   ===================================================== */
.timeline-section {
  background-color: var(--color-bg);
}

.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: rgba(203, 213, 225, 0.15);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: background-color 0.25s ease;
  cursor: pointer;
  display: block;
  color: inherit;
  text-decoration: none;
}

.timeline-item:hover {
  background-color: rgba(255, 255, 255, 0.03);
  text-decoration: none;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.timeline-item + .timeline-item {
  margin-top: 4px;
}

.timeline-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-high);
  margin-bottom: 4px;
}

.timeline-summary {
  font-size: 0.88rem;
  color: var(--color-text-mid);
  line-height: 1.6;
  padding-right: 20px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  color: var(--color-metal);
  white-space: nowrap;
}

.tag-hot {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.25);
  color: var(--color-accent);
  font-weight: 600;
}

.tag-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(163, 230, 53, 0.08);
  border-color: rgba(163, 230, 53, 0.2);
  color: #b4eb6a;
}

.tag-live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-lime);
  box-shadow: 0 0 6px rgba(163, 230, 53, 0.7);
}

/* =====================================================
   Subscribe Section
   ===================================================== */
.subscribe-section {
  background-color: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.subscribe-box {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 16px 0;
}

.subscribe-box h2 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.subscribe-box p {
  font-size: 0.9rem;
  color: var(--color-text-mid);
  margin-bottom: 24px;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.subscribe-form .form-input {
  width: 320px;
  max-width: 100%;
  height: 48px;
  padding: 0 18px;
  background-color: var(--color-paper);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-text-dark);
}

.subscribe-form .form-input::placeholder {
  color: #88806e;
}

.subscribe-form .form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25);
}

.subscribe-form .btn {
  height: 48px;
}

.subscribe-note {
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--color-metal-dim);
}

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

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

.gallery-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: block;
  color: inherit;
  text-decoration: none;
  aspect-ratio: 4 / 3;
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  text-decoration: none;
  border-color: var(--color-border-strong);
}

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

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

.gallery-cover {
  position: absolute;
  inset: 0;
}

.gallery-card .gallery-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
}

.gallery-date {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.gallery-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gallery-card .gallery-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--color-accent);
}

.gallery-more {
  text-align: center;
  margin-top: 32px;
}

/* =====================================================
   News List Section (CMS)
   ===================================================== */
.news-section {
  background-color: var(--color-bg-deep);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.news-row {
  display: flex;
  align-items: stretch;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  margin-bottom: 12px;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  color: inherit;
  text-decoration: none;
}

.news-row:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--color-border-strong);
  transform: translateX(4px);
  text-decoration: none;
}

.news-date {
  flex-shrink: 0;
  width: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-right: 20px;
  margin-right: 20px;
  border-right: 1px solid var(--color-border);
}

.news-day {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
}

.news-month {
  font-size: 0.78rem;
  color: var(--color-metal-dim);
}

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

.news-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-high);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
  transition: color 0.2s;
}

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

.news-summary {
  font-size: 0.85rem;
  color: var(--color-text-mid);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--color-metal-dim);
}

.news-cat {
  display: inline-block;
  padding: 2px 12px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 500;
}

.news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-mid);
  font-size: 0.95rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border-strong);
}

/* =====================================================
   Trust Bar
   ===================================================== */
.trust-section {
  background-color: var(--color-bg);
}

.trust-slogan {
  text-align: center;
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 32px;
}

.trust-slogan .hl {
  color: var(--color-accent);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.trust-item:hover {
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.trust-icon {
  width: 52px;
  height: 52px;
  background: var(--color-accent-dim);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.trust-item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.trust-item p {
  font-size: 0.82rem;
  color: var(--color-text-mid);
  line-height: 1.6;
}

/* =====================================================
   FAQ Section
   ===================================================== */
.faq-section {
  background-color: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.faq-item {
  margin-bottom: 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg);
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item.open {
  border-color: rgba(245, 158, 11, 0.35);
}

.faq-question {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: transparent;
  border: none;
  color: var(--color-text-high);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.2s;
}

.faq-question:hover {
  background-color: rgba(255, 255, 255, 0.03);
}

.faq-question .faq-icon {
  margin-left: 12px;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-accent);
  transition: transform 0.3s;
}

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

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

.faq-answer-inner {
  padding: 4px 20px 18px;
  font-size: 0.88rem;
  color: var(--color-text-mid);
  line-height: 1.8;
}

/* =====================================================
   CTA Section
   ===================================================== */
.cta-section {
  background: var(--color-bg);
  padding: 72px 48px;
}

.cta-box {
  max-width: 820px;
  margin: 0 auto;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  padding: 56px 48px;
  text-align: center;
}

.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(18, 20, 23, 0.82);
  z-index: 0;
}

.cta-box > * {
  position: relative;
  z-index: 1;
}

.cta-box h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.cta-box p {
  font-size: 0.92rem;
  color: var(--color-metal);
  margin-bottom: 24px;
}

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

/* =====================================================
   Footer
   ===================================================== */
.site-footer {
  background-color: var(--color-bg-deep);
  border-top: 1px solid var(--color-border);
  padding: 40px 48px 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.footer-brand .lg-accent {
  color: var(--color-accent);
}

.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  list-style: none;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--color-metal);
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--color-metal-dim);
}

.footer-links {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--color-metal-dim);
}

.footer-links span {
  cursor: default;
}

/* =====================================================
   Responsive Breakpoints
   ===================================================== */
@media (max-width: 991px) {
  :root {
    --sidebar-width: 0px;
  }

  .sidebar {
    display: none;
  }

  .mobile-header {
    display: flex;
  }

  .main-area {
    margin-left: 0;
  }

  .hero {
    padding: 60px 32px 50px;
    min-height: auto;
  }

  .section {
    padding: 56px 32px;
  }

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

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    max-width: 480px;
    margin: 0 auto;
  }

  .countdown-box {
    gap: 12px;
  }

  .site-footer {
    padding: 32px 24px 24px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 44px 20px 40px;
    min-height: 60vh;
  }

  .hero-title {
    font-size: clamp(1.6rem, 6vw, 2rem);
  }

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

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

  .countdown-box {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 40px 16px;
  }

  .timeline {
    padding-left: 20px;
  }

  .timeline-item::before {
    left: -19px;
    width: 8px;
    height: 8px;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-form .form-input {
    width: 100%;
  }

  .subscribe-form .btn {
    width: 100%;
  }

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

  .news-row {
    padding: 14px;
  }

  .news-date {
    width: 48px;
    padding-right: 12px;
    margin-right: 12px;
  }

  .news-day {
    font-size: 1.35rem;
  }

  .news-title {
    font-size: 0.92rem;
  }

  .cta-section {
    padding: 40px 16px;
  }

  .cta-box {
    padding: 36px 24px;
  }

  .site-footer {
    padding: 28px 16px 20px;
  }

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

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

@media (max-width: 520px) {
  .countdown-box {
    flex-direction: column;
    gap: 12px;
    padding: 14px 18px;
  }

  .cd-item {
    min-width: 44px;
    padding: 4px 6px;
  }

  .cd-item span {
    font-size: 1.3rem;
  }

  .news-meta {
    flex-wrap: wrap;
    gap: 8px;
  }
}

/* =====================================================
   Utility Classes
   ===================================================== */
.text-accent {
  color: var(--color-accent);
}

.text-muted {
  color: var(--color-text-mid);
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mt-5 { margin-top: 40px; }

html {
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(245, 158, 11, 0.4);
}

.mobile-drawer {
      position: fixed;
      top: 0;
      left: 0;
      width: 280px;
      height: 100%;
      background-color: var(--color-bg-deep);
      z-index: 1100;
      transform: translateX(-100%);
      transition: transform 0.35s ease;
      padding: 32px 20px;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
    }
    .mobile-drawer.open {
      transform: translateX(0);
    }
    .mobile-drawer .drawer-brand {
      font-size: 1.3rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 4px;
    }
    .mobile-drawer .drawer-brand .lg-accent {
      color: var(--color-accent);
    }
    .mobile-drawer .drawer-sub {
      font-size: 0.78rem;
      color: var(--color-metal-dim);
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--color-border);
    }
    .mobile-drawer .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .mobile-drawer .drawer-nav a {
      display: flex;
      align-items: center;
      gap: 12px;
      height: 46px;
      padding: 0 14px;
      border-radius: var(--radius-sm);
      color: var(--color-metal);
      font-size: 0.95rem;
      font-weight: 500;
      text-decoration: none;
    }
    .mobile-drawer .drawer-nav a i {
      width: 20px;
      text-align: center;
      color: var(--color-metal-dim);
    }
    .mobile-drawer .drawer-nav a:hover {
      background: rgba(255,255,255,0.05);
      color: #fff;
    }
    .mobile-drawer .drawer-nav a.active {
      background: var(--color-accent-dim);
      color: var(--color-accent-hover);
      border-left: 3px solid var(--color-accent);
    }
    .mobile-drawer .drawer-nav a.active i {
      color: var(--color-accent);
    }
    .mobile-drawer .drawer-foot {
      margin-top: auto;
      padding-top: 20px;
      border-top: 1px solid var(--color-border);
      font-size: 0.72rem;
      color: var(--color-metal-dim);
    }
    .drawer-close {
      position: absolute;
      top: 18px;
      right: 16px;
      width: 32px;
      height: 32px;
      background: transparent;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      color: var(--color-metal);
      cursor: pointer;
      font-size: 0.9rem;
    }
    .drawer-close:hover {
      color: #fff;
      background: rgba(255,255,255,0.06);
    }

/* roulang page: article */
:root {
            --bg-dark: #16181d;
            --bg-deep: #121417;
            --bg-panel: #1f2329;
            --accent: #f59e0b;
            --accent-hover: #fbbf24;
            --accent-glow: rgba(245, 158, 11, 0.3);
            --silver: #cbd5e1;
            --lime: #a3e635;
            --paper: #f5f1e8;
            --text-light: #e5e7eb;
            --text-dark: #2a2e35;
            --text-muted: #6b7280;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.08);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --shadow-dark: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.45);
            --shadow-light: 0 2px 12px rgba(0, 0, 0, 0.08);
            --font-main: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --space-section: 64px;
            --transition-base: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
            background-color: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

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

        .site-wrapper {
            display: flex;
            min-height: 100vh;
            background-color: var(--bg-dark);
        }

        .side-nav {
            width: 248px;
            min-width: 248px;
            max-width: 248px;
            position: sticky;
            top: 0;
            height: 100vh;
            background-color: var(--bg-deep);
            border-right: 1px solid var(--border-dark);
            display: flex;
            flex-direction: column;
            padding: 32px 20px 24px;
            z-index: 1040;
            overflow-y: auto;
        }

        .side-nav .nav-brand {
            display: flex;
            align-items: center;
            font-size: 1.45rem;
            font-weight: 700;
            color: #fff;
            padding: 0 8px 6px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .side-nav .nav-brand .brand-low {
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 500;
            display: block;
            margin-top: 3px;
            letter-spacing: 0.08em;
        }

        .nav-tagline {
            color: var(--silver);
            font-size: 0.85rem;
            padding: 4px 8px 0;
            margin-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding-bottom: 18px;
        }

        .nav-menu {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 14px;
            height: 44px;
            line-height: 44px;
            border-radius: 10px;
            color: var(--silver);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            transition: background 0.2s ease, color 0.2s ease;
            text-decoration: none;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            color: inherit;
        }

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

        .nav-item.active {
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            font-weight: 600;
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            bottom: 10px;
            width: 3px;
            border-radius: 0 3px 3px 0;
            background-color: var(--accent);
        }

        .nav-footer small {
            font-size: 0.75rem;
            color: rgba(148, 163, 184, 0.5);
            line-height: 1.6;
            display: block;
            padding: 20px 8px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin-top: 16px;
        }

        .main-area {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .article-wrap {
            flex: 1;
        }

        .article-hero {
            background: linear-gradient(135deg, #16181d 0%, #1f2329 100%);
            border-bottom: 1px solid var(--border-dark);
            padding: 48px 0 32px;
        }

        .article-hero .breadcrumb-wrap {
            font-size: 0.85rem;
            color: var(--silver);
            margin-bottom: 16px;
        }

        .article-hero .breadcrumb-wrap a {
            color: var(--silver);
            text-decoration: none;
        }

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

        .breadcrumb-sep {
            margin: 0 10px;
            color: rgba(203, 213, 225, 0.4);
        }

        .article-title {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            font-weight: 700;
            line-height: 1.35;
            color: #fff;
            margin-bottom: 16px;
            max-width: 800px;
            word-break: break-word;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--silver);
            font-size: 0.85rem;
        }

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

        .meta-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent);
            border: 1px solid rgba(245, 158, 11, 0.3);
            border-radius: 999px;
            padding: 2px 14px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        .article-body-section {
            padding: 48px 0 64px;
            background: var(--paper);
        }

        .article-body-container {
            max-width: 720px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-content-card {
            background: var(--paper);
            border-radius: var(--radius-lg);
        }

        .article-content-card .article-core {
            word-wrap: break-word;
            overflow-wrap: break-word;
        }

        .article-core {
            color: var(--text-dark);
            font-size: 16px;
            line-height: 2;
            min-height: 200px;
        }

        .article-core h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 2em 0 0.8em;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(0, 0, 0, 0.08);
            line-height: 1.5;
        }

        .article-core h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 1.8em 0 0.6em;
            line-height: 1.5;
        }

        .article-core p {
            margin-bottom: 1.2em;
            line-height: 2;
        }

        .article-core img {
            border-radius: 8px;
            margin: 1.5em 0;
            box-shadow: var(--shadow-light);
        }

        .article-core ul,
        .article-core ol {
            margin: 1.2em 0;
            padding-left: 1.5em;
        }

        .article-core li {
            margin-bottom: 0.5em;
            line-height: 1.9;
        }

        .article-core blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(245, 158, 11, 0.06);
            padding: 16px 20px;
            margin: 1.5em 0;
            border-radius: 0 10px 10px 0;
            color: #4b5563;
            font-size: 0.95rem;
        }

        .article-core a {
            color: #b45309;
        }

        .article-core a:hover {
            color: #d97706;
        }

        .article-core table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
        }

        .article-core table th,
        .article-core table td {
            border: 1px solid rgba(0, 0, 0, 0.08);
            padding: 10px 14px;
            text-align: left;
            font-size: 0.9rem;
        }

        .article-core table th {
            background: rgba(0, 0, 0, 0.03);
            font-weight: 700;
        }

        .article-core hr {
            border: none;
            border-top: 1px solid rgba(0, 0, 0, 0.08);
            margin: 2em 0;
        }

        .article-empty {
            text-align: center;
            padding: 80px 20px;
            background: var(--paper);
        }

        .article-empty .empty-icon {
            font-size: 3rem;
            color: #d1d5db;
            margin-bottom: 16px;
        }

        .article-empty p {
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 28px;
            font-size: 0.95rem;
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
            line-height: 1.5;
            text-decoration: none;
        }

        .btn-primary-custom {
            background-color: var(--accent);
            color: #171717;
            box-shadow: 0 2px 12px var(--accent-glow);
        }

        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: #171717;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
        }

        .btn-primary-custom:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
        }

        .btn-primary-custom:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.5);
            outline-offset: 2px;
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--silver);
            border: 1.5px solid var(--silver);
        }

        .btn-outline-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(245, 158, 11, 0.08);
        }

        .btn-outline-custom:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.4);
            outline-offset: 2px;
        }

        .related-section {
            background: var(--bg-dark);
            padding: 64px 0;
        }

        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .related-header h2 {
            font-size: clamp(1.25rem, 2vw, 1.6rem);
            color: #fff;
            font-weight: 700;
            margin: 0;
            position: relative;
            padding-left: 16px;
        }

        .related-header h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .related-card-item {
            background: var(--bg-panel);
            border-radius: 10px;
            padding: 12px;
            transition: var(--transition-base);
            border: 1px solid transparent;
            display: flex;
            text-decoration: none;
            height: 100%;
            align-items: center;
        }

        .related-card-item:hover {
            background: #262b33;
            border-color: rgba(245, 158, 11, 0.3);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .related-card-item .thumb-wrap {
            width: 80px;
            min-width: 80px;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            background: #2a2e35;
            margin-right: 14px;
        }

        .related-card-item .thumb-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .related-card-info .related-title {
            font-size: 0.92rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 6px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .related-card-info .related-date {
            font-size: 0.78rem;
            color: var(--silver);
        }

        .related-card-info .related-date i {
            color: var(--accent);
            margin-right: 4px;
        }

        .back-entry {
            padding: 48px 0 64px;
            background: var(--bg-dark);
            border-top: 1px solid var(--border-dark);
            text-align: center;
        }

        .back-entry .btn {
            min-width: 160px;
            margin: 6px;
        }

        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 48px 0 32px;
        }

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

        .footer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 24px;
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand .lg-accent {
            color: var(--accent);
        }

        .footer-nav {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .footer-nav a {
            color: var(--silver);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 0.82rem;
            color: rgba(148, 163, 184, 0.7);
        }

        .footer-links {
            font-size: 0.82rem;
            color: rgba(148, 163, 184, 0.6);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-links span {
            display: inline-block;
        }

        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            height: 60px;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-dark);
            z-index: 1030;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-brand {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
        }

        .mobile-menu-btn {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--silver);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s ease;
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            max-width: 85vw;
            background: var(--bg-deep);
            z-index: 1050;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            padding: 24px 16px;
            display: flex;
            flex-direction: column;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.5);
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1045;
            display: none;
        }

        .mobile-menu-overlay.show {
            display: block;
        }

        .mobile-menu .mobile-brand {
            margin-bottom: 24px;
            padding: 0 8px;
        }

        .mobile-menu .nav-item {
            margin-bottom: 4px;
        }

        .mobile-close-btn {
            background: transparent;
            border: none;
            color: var(--silver);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 8px;
            align-self: flex-end;
            border-radius: 8px;
        }

        .mobile-close-btn:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 991.98px) {
            .side-nav {
                width: 64px;
                min-width: 64px;
                max-width: 64px;
                padding: 24px 8px;
                align-items: center;
            }

            .side-nav .nav-brand {
                font-size: 0.95rem;
                padding: 0 4px;
                text-align: center;
                justify-content: center;
                line-height: 1.4;
            }

            .side-nav .nav-brand .brand-low,
            .nav-tagline {
                display: none;
            }

            .nav-item {
                justify-content: center;
                padding: 0;
                width: 44px;
            }

            .nav-item span {
                display: none;
            }

            .nav-item i {
                font-size: 1.1rem;
            }

            .nav-footer small {
                font-size: 0.6rem;
                padding: 10px 0;
                text-align: center;
            }
        }

        @media (max-width: 767.98px) {
            .side-nav {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .article-hero {
                padding: 32px 0 28px;
            }

            .article-body-section {
                padding: 32px 0 48px;
            }

            .article-body-container {
                padding: 0 16px;
            }

            .related-section {
                padding: 40px 0;
            }

            .related-header {
                margin-bottom: 24px;
            }

            .back-entry {
                padding: 32px 0 40px;
            }

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

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

            .footer-nav {
                gap: 16px;
            }

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

            .article-meta {
                gap: 10px;
            }
        }

        @media (max-width: 420px) {
            .article-title {
                font-size: 1.3rem;
            }

            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }

            .related-card-item .thumb-wrap {
                width: 64px;
                min-width: 64px;
                height: 64px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #16181d;
            --primary-deep: #121417;
            --panel: #1f2329;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --metal: #cbd5e1;
            --lime: #a3e635;
            --warm-paper: #f5f1e8;
            --body-text: #e5e7eb;
            --text-strong: #f8fafc;
            --text-muted: #94a3b8;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.08);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --shadow-dark: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.45);
            --content-gap: 64px;
            --font-main: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--primary);
            color: var(--body-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }

        .layout {
            display: flex;
            min-height: 100vh;
        }
        .side-nav {
            width: 248px;
            flex-shrink: 0;
            background: var(--primary-deep);
            min-height: 100vh;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 32px 16px 24px;
            border-right: 1px solid var(--border-dark);
        }
        .brand-logo {
            display: flex;
            align-items: baseline;
            gap: 2px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-strong);
            letter-spacing: 0.01em;
            padding: 0 8px;
            line-height: 1.3;
        }
        .brand-logo .lg-accent {
            color: var(--accent);
            font-weight: 800;
        }
        .brand-sub {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
            padding: 0 8px;
            letter-spacing: 0.08em;
        }
        .nav-wrap {
            margin-top: 40px;
            flex: 1;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 44px;
            padding: 0 14px;
            border-radius: var(--radius-md);
            color: var(--metal);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            transition: background 0.2s ease, color 0.2s ease;
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
        }
        .nav-item:hover {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-strong);
        }
        .nav-item.active {
            color: var(--text-strong);
            font-weight: 600;
        }
        .nav-item.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            bottom: 10px;
            width: 3px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
        }
        .nav-copyright {
            font-size: 0.78rem;
            color: var(--text-muted);
            padding: 16px 8px 0;
            border-top: 1px solid var(--border-dark);
            margin-top: 24px;
        }

        .main-wrap {
            flex: 1;
            margin-left: 248px;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .top-mobile-bar {
            display: none;
        }

        /* ===== Hero Banner ===== */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.35) 50%, rgba(0, 0, 0, 0.6) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 72px 0;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, var(--primary) 0%, transparent 100%);
            pointer-events: none;
        }
        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }
        .category-hero h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: var(--text-strong);
            line-height: 1.25;
            margin: 0 0 16px;
        }
        .category-hero .hero-desc {
            font-size: 1.05rem;
            color: rgba(230, 235, 245, 0.88);
            line-height: 1.7;
            margin: 0;
            max-width: 620px;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .sep {
            color: rgba(203, 213, 225, 0.35);
        }
        .breadcrumb-custom .current {
            color: var(--text-strong);
        }

        .section-block {
            padding: 64px 0;
        }
        .section-block:nth-of-type(even) {
            background: rgba(255, 255, 255, 0.02);
        }
        .section-title-wrap {
            margin-bottom: 36px;
        }
        .section-title {
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 700;
            color: var(--text-strong);
            line-height: 1.35;
            margin-bottom: 8px;
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* ===== 动态内容列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-row {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 16px;
            border-radius: 12px;
            background: transparent;
            border: 1px solid transparent;
            transition: background 0.25s ease, border-color 0.25s ease;
        }
        .news-row:hover {
            background: rgba(255, 255, 255, 0.03);
            border-color: var(--border-dark);
        }
        .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--panel);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin: 0 0 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color 0.2s ease;
        }
        .news-row:hover .news-info h3 {
            color: var(--accent);
        }
        .news-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 6px;
        }
        .news-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            color: var(--metal);
            background: rgba(255, 255, 255, 0.06);
            padding: 3px 10px;
            border-radius: 999px;
            border: 1px solid var(--border-dark);
        }
        .news-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 6px rgba(163, 230, 53, 0.6);
        }
        .news-date {
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
        }

        /* ===== 状态卡 ===== */
        .status-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .status-card {
            background: var(--primary-deep);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }
        .status-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .status-card .st-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent);
            margin-bottom: 16px;
        }
        .status-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 8px;
        }
        .status-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== 场景图文 ===== */
        .scenario-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 48px;
        }
        .scenario-row.reverse {
            flex-direction: row-reverse;
        }
        .scenario-media {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 240px;
            background: var(--panel);
        }
        .scenario-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 240px;
        }
        .scenario-content {
            flex: 1;
        }
        .scenario-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 14px;
        }
        .scenario-content p {
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .feature-list {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.92rem;
            color: var(--body-text);
            line-height: 1.6;
        }
        .feature-list li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 0.85rem;
        }

        /* ===== 流程 ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .flow-step {
            position: relative;
            background: var(--primary-deep);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
        }
        .flow-step .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: #171717;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .flow-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-dark);
            border-radius: 12px;
            margin-bottom: 12px;
            background: var(--primary-deep);
            overflow: hidden;
        }
        .faq-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 22px;
            min-height: 56px;
            cursor: pointer;
            color: var(--text-strong);
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s ease;
        }
        .faq-title:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-title .icon-more {
            font-size: 1.2rem;
            color: var(--accent);
            font-weight: 300;
            transition: transform 0.3s ease;
        }
        .faq-item.open .icon-more {
            transform: rotate(45deg);
        }
        .faq-content {
            display: none;
            padding: 0 22px 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-content {
            display: block;
        }
        .faq-content p {
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: linear-gradient(45deg, rgba(245, 158, 11, 0.12) 0%, rgba(245, 158, 11, 0.02) 100%);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            margin: 56px 0;
        }
        .cta-banner h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 10px;
        }
        .cta-banner p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 24px;
        }

        .btn-accent,
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border: none;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
        }
        .btn-accent {
            background: var(--accent);
            color: #171717;
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            color: #171717;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.35);
        }
        .btn-accent:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
        }
        .btn-accent:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.5);
        }
        .btn-outline {
            background: transparent;
            color: var(--metal);
            border: 1.5px solid var(--metal);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(245, 158, 11, 0.08);
        }
        .btn-outline:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deep);
            border-top: 1px solid var(--border-dark);
            padding: 40px 0 24px;
            margin-left: 0;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-dark);
        }
        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-strong);
        }
        .footer-brand .lg-accent {
            color: var(--accent);
        }
        .footer-nav {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-nav a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color 0.2s ease;
        }
        .footer-nav a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 16px;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ===== 移动端顶部栏 ===== */
        .top-mobile-bar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--primary-deep);
            border-bottom: 1px solid var(--border-dark);
            z-index: 1100;
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-brand {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
        }
        .mobile-brand .lg-accent {
            color: var(--accent);
        }
        .mobile-hamburger {
            background: none;
            border: none;
            color: var(--text-strong);
            font-size: 1.4rem;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .mobile-hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -280px;
            width: 280px;
            height: 100vh;
            background: var(--primary-deep);
            z-index: 1200;
            transition: right 0.3s ease;
            padding: 24px 16px;
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-mask {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1150;
            display: none;
        }
        .drawer-mask.show {
            display: block;
        }
        .drawer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 28px;
        }
        .drawer-header .close-drawer {
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 1.5rem;
            cursor: pointer;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            transition: background 0.2s ease, color 0.2s ease;
        }
        .drawer-header .close-drawer:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-strong);
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .drawer-nav .nav-item {
            height: 48px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .side-nav {
                width: 72px;
                padding: 24px 10px 16px;
            }
            .brand-logo {
                font-size: 1.15rem;
                justify-content: center;
                padding: 0;
            }
            .brand-sub,
            .nav-item span,
            .nav-copyright {
                display: none;
            }
            .nav-item {
                justify-content: center;
                padding: 0;
                height: 46px;
            }
            .nav-item i {
                font-size: 1.15rem;
                width: auto;
            }
            .nav-item.active::before {
                left: -10px;
            }
            .main-wrap {
                margin-left: 72px;
            }
        }
        @media (max-width: 767.98px) {
            .side-nav {
                display: none;
            }
            .main-wrap {
                margin-left: 0;
            }
            .top-mobile-bar {
                display: flex;
            }
            .main-content {
                padding-top: 60px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .category-hero {
                min-height: 320px;
                padding: 48px 0;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-desc {
                font-size: 0.92rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .status-grid {
                grid-template-columns: 1fr;
            }
            .scenario-row,
            .scenario-row.reverse {
                flex-direction: column;
                gap: 20px;
            }
            .flow-steps {
                grid-template-columns: 1fr 1fr;
            }
            .news-row {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
            }
            .news-thumb {
                width: 100%;
                height: auto;
                max-height: 160px;
            }
            .news-thumb img {
                width: 100%;
            }
            .news-info h3 {
                white-space: normal;
                overflow: visible;
                text-overflow: unset;
            }
            .footer-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner {
                padding: 32px 20px;
                margin: 40px 0;
            }
            .cta-banner .btn-accent,
            .cta-banner .btn-outline {
                width: 100%;
                margin-bottom: 10px;
            }
        }
        @media (max-width: 520px) {
            .flow-steps {
                grid-template-columns: 1fr;
            }
        }

        .faq-item .icon-more {
            transition: transform 0.3s ease;
        }
        .faq-item.open .icon-more {
            transform: rotate(45deg);
        }

/* roulang page: category2 */
/* ===== Design Tokens ===== */
    :root {
      --color-bg: #16181d;
      --color-bg-deep: #121417;
      --color-panel: #1f2329;
      --color-panel-2: #20242b;
      --color-accent: #f59e0b;
      --color-accent-hover: #fbbf24;
      --color-silver: #cbd5e1;
      --color-lime: #a3e635;
      --color-light: #f5f1e8;
      --color-text-main: #e5e7eb;
      --color-text-sub: #94a3b8;
      --color-text-dark: #2a2e35;
      --border-dark: rgba(255, 255, 255, 0.08);
      --border-accent: rgba(245, 158, 11, 0.35);
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-sm: 8px;
      --radius-pill: 999px;
      --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
      --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.45);
      --spacer: 64px;
      --spacer-mobile: 40px;
      --font-main: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      --sidebar-w: 248px;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-main);
      font-size: 16px;
      line-height: 1.7;
      background: var(--color-bg);
      color: var(--color-text-main);
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--color-accent);
      text-decoration: none;
      transition: color .2s ease;
    }

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

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

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

    button {
      cursor: pointer;
    }

    /* ===== Layout Shell ===== */
    .app-shell {
      min-height: 100vh;
      display: flex;
    }

    .main-wrap {
      margin-left: var(--sidebar-w);
      flex: 1;
      min-width: 0;
      display: flex;
      flex-direction: column;
    }

    /* ===== Sidebar Nav ===== */
    .side-nav {
      position: fixed;
      top: 0;
      left: 0;
      width: var(--sidebar-w);
      height: 100vh;
      background: var(--color-bg-deep);
      display: flex;
      flex-direction: column;
      padding: 28px 20px 20px;
      z-index: 1040;
      border-right: 1px solid var(--border-dark);
      overflow-y: auto;
    }

    .side-nav .brand-block {
      padding: 0 8px 0 10px;
      margin-bottom: 10px;
    }

    .side-nav .brand-logo {
      font-size: 1.4rem;
      font-weight: 700;
      line-height: 1.3;
      color: #fff;
      letter-spacing: -0.5px;
    }

    .side-nav .brand-logo .lg-accent {
      color: var(--color-accent);
    }

    .side-nav .brand-tagline {
      font-size: 0.78rem;
      color: var(--color-text-sub);
      letter-spacing: 1.5px;
      margin-top: 2px;
      padding-left: 2px;
    }

    .side-nav .nav-menu {
      margin-top: 20px;
      display: flex;
      flex-direction: column;
      gap: 4px;
      flex: 1;
    }

    .side-nav .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 14px;
      border-radius: var(--radius-md);
      color: var(--color-silver);
      font-size: 0.95rem;
      transition: background .2s ease, color .2s ease;
      position: relative;
      line-height: 1.4;
    }

    .side-nav .nav-item i {
      width: 18px;
      text-align: center;
      font-size: 1.05rem;
      color: var(--color-text-sub);
      transition: color .2s ease;
    }

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

    .side-nav .nav-item:hover i {
      color: var(--color-accent);
    }

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

    .side-nav .nav-item.active::before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 3px;
      height: 22px;
      border-radius: 0 3px 3px 0;
      background: var(--color-accent);
    }

    .side-nav .nav-item.active i {
      color: var(--color-accent);
    }

    .side-nav .side-foot {
      font-size: 0.75rem;
      color: var(--color-text-sub);
      padding: 16px 10px 0;
      border-top: 1px solid var(--border-dark);
      margin-top: 12px;
      line-height: 1.5;
    }

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.06);
      color: var(--color-silver);
      font-size: 1.1rem;
      align-items: center;
      justify-content: center;
      transition: background .2s ease, color .2s ease;
      flex-shrink: 0;
    }

    .nav-toggle:hover {
      background: rgba(245, 158, 11, 0.15);
      color: var(--color-accent);
    }

    .nav-backdrop {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.6);
      z-index: 1090;
      opacity: 0;
      pointer-events: none;
      transition: opacity .3s ease;
    }

    .nav-backdrop.show {
      opacity: 1;
      pointer-events: auto;
    }

    /* ===== Page Container ===== */
    .page-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ===== Hero Banner ===== */
    .cat-banner {
      position: relative;
      min-height: 440px;
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      display: flex;
      align-items: center;
      padding: 72px 0;
    }

    .cat-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(18, 20, 23, 0.94) 0%, rgba(18, 20, 23, 0.72) 50%, rgba(18, 20, 23, 0.4) 100%);
    }

    .cat-banner .page-container {
      position: relative;
      z-index: 2;
      width: 100%;
    }

    .breadcrumb-nav {
      font-size: 0.85rem;
      color: var(--color-text-sub);
      margin-bottom: 20px;
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      align-items: center;
    }

    .breadcrumb-nav a {
      color: var(--color-silver);
      transition: color .2s ease;
    }

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

    .breadcrumb-nav .sep {
      color: var(--color-text-sub);
      margin: 0 2px;
    }

    .breadcrumb-nav .current {
      color: #fff;
      font-weight: 500;
    }

    .cat-banner h1 {
      font-size: clamp(2.2rem, 4vw, 3rem);
      font-weight: 700;
      line-height: 1.2;
      color: #fff;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .cat-banner h1 .accent-text {
      color: var(--color-accent);
    }

    .cat-banner .banner-desc {
      font-size: 1.1rem;
      color: var(--color-silver);
      max-width: 560px;
      margin-bottom: 32px;
      line-height: 1.7;
    }

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

    .btn-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      background: var(--color-accent);
      color: #171717;
      font-weight: 700;
      font-size: 0.95rem;
      box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
      transition: all .25s ease;
      border: none;
      user-select: none;
      text-decoration: none;
    }

    .btn-main:hover {
      background: var(--color-accent-hover);
      color: #171717;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    }

    .btn-main:active {
      transform: translateY(1px);
      box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
    }

    .btn-main:focus-visible {
      outline: 3px solid rgba(245, 158, 11, 0.5);
      outline-offset: 2px;
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      background: transparent;
      color: var(--color-silver);
      font-weight: 600;
      font-size: 0.95rem;
      border: 1.5px solid var(--color-silver);
      transition: all .25s ease;
      text-decoration: none;
    }

    .btn-ghost:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
      background: rgba(245, 158, 11, 0.08);
      transform: translateY(-2px);
    }

    .btn-ghost:focus-visible {
      outline: 3px solid rgba(245, 158, 11, 0.4);
      outline-offset: 2px;
    }

    /* ===== Section Base ===== */
    .cat-section {
      padding: var(--spacer) 0;
    }

    .section-head {
      margin-bottom: 36px;
    }

    .section-head h2 {
      font-size: clamp(1.4rem, 2.5vw, 1.8rem);
      font-weight: 700;
      color: #fff;
      line-height: 1.35;
      margin-bottom: 10px;
      position: relative;
      padding-left: 16px;
    }

    .section-head h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 4px;
      bottom: 4px;
      width: 4px;
      border-radius: 4px;
      background: var(--color-accent);
    }

    .section-head p {
      color: var(--color-text-sub);
      font-size: 0.95rem;
    }

    /* ===== Guide List ===== */
    .guide-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .guide-item {
      display: flex;
      gap: 20px;
      align-items: center;
      background: var(--color-panel);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 18px;
      transition: all .28s ease;
      text-decoration: none;
      color: inherit;
    }

    .guide-item:hover {
      border-color: var(--border-accent);
      background: rgba(255, 255, 255, 0.04);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .guide-thumb {
      width: 120px;
      height: 80px;
      border-radius: var(--radius-md);
      overflow: hidden;
      flex-shrink: 0;
      background: var(--color-bg);
    }

    .guide-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .3s ease;
    }

    .guide-item:hover .guide-thumb img {
      transform: scale(1.04);
    }

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

    .guide-title {
      font-size: 1.1rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      transition: color .2s ease;
    }

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

    .guide-summary {
      font-size: 0.9rem;
      color: var(--color-text-sub);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 6px;
    }

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

    .badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      background: rgba(245, 158, 11, 0.15);
      color: var(--color-accent);
      font-size: 0.78rem;
      font-weight: 600;
    }

    .badge-tag::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-accent);
    }

    .guide-date {
      font-size: 0.82rem;
      color: var(--color-text-sub);
      font-variant-numeric: tabular-nums;
    }

    /* ===== Scene Cards ===== */
    .scene-wrap {
      background: var(--color-bg-deep);
    }

    .scene-card {
      background: var(--color-panel);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      height: 100%;
      transition: all .3s ease;
      position: relative;
      overflow: hidden;
    }

    .scene-card::after {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 70px;
      height: 70px;
      border-radius: 0 0 0 70px;
      background: rgba(245, 158, 11, 0.06);
      transition: background .3s ease;
    }

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

    .scene-card:hover::after {
      background: rgba(245, 158, 11, 0.14);
    }

    .scene-card i {
      font-size: 1.8rem;
      color: var(--color-accent);
      margin-bottom: 18px;
      display: inline-block;
    }

    .scene-card h3 {
      font-size: 1.2rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 10px;
    }

    .scene-card p {
      font-size: 0.9rem;
      color: var(--color-text-sub);
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* ===== Flow Steps ===== */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 40px;
    }

    .flow-step {
      text-align: left;
      padding: 28px;
      background: var(--color-panel);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      position: relative;
      transition: all .3s ease;
    }

    .flow-step:hover {
      border-color: var(--border-accent);
      box-shadow: var(--shadow-hover);
    }

    .step-num {
      display: inline-block;
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--color-accent);
      font-variant-numeric: tabular-nums;
      margin-bottom: 16px;
      opacity: 0.9;
      letter-spacing: -1px;
    }

    .flow-step h3 {
      font-size: 1.15rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 10px;
    }

    .flow-step p {
      font-size: 0.9rem;
      color: var(--color-text-sub);
      line-height: 1.7;
      margin-bottom: 0;
    }

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

    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--color-panel);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: border-color .3s ease, box-shadow .3s ease;
    }

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

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      background: transparent;
      color: #fff;
      font-size: 1rem;
      font-weight: 500;
      text-align: left;
      transition: background .2s ease;
      line-height: 1.5;
    }

    .faq-question:hover {
      background: rgba(255, 255, 255, 0.03);
    }

    .faq-question i {
      color: var(--color-accent);
      font-size: 1rem;
      transition: transform .3s ease;
      flex-shrink: 0;
    }

    .faq-item.open .faq-question i {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      color: var(--color-text-sub);
      font-size: 0.92rem;
      line-height: 1.8;
    }

    .faq-item.open .faq-answer {
      max-height: 300px;
    }

    /* ===== CTA ===== */
    .cta-panel {
      background: linear-gradient(135deg, rgba(245, 158, 11, 0.16) 0%, rgba(245, 158, 11, 0.05) 100%);
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-lg);
      padding: 52px 40px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-panel h2 {
      font-size: clamp(1.4rem, 2.5vw, 2rem);
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }

    .cta-panel p {
      color: var(--color-silver);
      font-size: 1rem;
      margin-bottom: 28px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--color-bg-deep);
      border-top: 1px solid var(--border-dark);
      padding: 40px 0 28px;
      margin-top: auto;
    }

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

    .footer-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }

    .footer-brand {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
    }

    .footer-brand .lg-accent {
      color: var(--color-accent);
    }

    .footer-nav {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }

    .footer-nav a {
      color: var(--color-silver);
      font-size: 0.9rem;
      transition: color .2s ease;
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .footer-bottom p {
      font-size: 0.82rem;
      color: var(--color-text-sub);
      margin: 0;
    }

    .footer-links {
      display: flex;
      gap: 10px;
      font-size: 0.82rem;
      color: var(--color-text-sub);
    }

    .footer-links span {
      color: var(--color-text-sub);
    }

    /* ===== Responsive ===== */
    @media (max-width: 991px) {
      :root {
        --sidebar-w: 72px;
      }

      .side-nav {
        padding: 20px 10px;
        align-items: center;
      }

      .side-nav .brand-block {
        padding: 0;
        text-align: center;
      }

      .side-nav .brand-logo {
        font-size: 1rem;
      }

      .side-nav .brand-logo .lg-accent {
        display: block;
      }

      .side-nav .brand-tagline,
      .side-nav .side-foot {
        display: none;
      }

      .side-nav .nav-menu {
        margin-top: 16px;
        align-items: center;
      }

      .side-nav .nav-item {
        padding: 12px;
        justify-content: center;
        gap: 0;
      }

      .side-nav .nav-item span {
        display: none;
      }

      .side-nav .nav-item i {
        margin: 0;
        width: auto;
        font-size: 1.15rem;
      }

      .side-nav .nav-item.active::before {
        left: -10px;
      }

      .flow-steps {
        gap: 20px;
      }
    }

    @media (max-width: 767px) {
      body {
        font-size: 15px;
      }

      .cat-section {
        padding: var(--spacer-mobile) 0;
      }

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

      /* 移动端导航 */
      .side-nav {
        width: 100%;
        height: 60px;
        padding: 0 16px;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        border-right: none;
        border-bottom: 1px solid var(--border-dark);
        background: rgba(18, 20, 23, 0.98);
        backdrop-filter: blur(10px);
      }

      .side-nav .brand-block {
        margin: 0;
        padding: 0;
        text-align: left;
      }

      .side-nav .brand-logo {
        font-size: 1.1rem;
      }

      .side-nav .brand-logo .lg-accent {
        display: inline;
      }

      .side-nav .brand-tagline {
        display: none;
      }

      .side-nav .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 280px;
        height: 100vh;
        background: var(--color-bg-deep);
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 32px 24px;
        margin: 0;
        transform: translateX(105%);
        transition: transform .3s ease;
        z-index: 1200;
        box-shadow: -12px 0 40px rgba(0, 0, 0, 0.5);
        overflow-y: auto;
      }

      .side-nav .nav-menu.open {
        transform: translateX(0);
      }

      .side-nav .nav-menu::before {
        content: 'beat365 最新官网地址';
        display: block;
        font-size: 1.15rem;
        font-weight: 700;
        color: #fff;
        padding-bottom: 18px;
        border-bottom: 1px solid var(--border-dark);
        margin-bottom: 16px;
      }

      .side-nav .nav-item {
        padding: 13px 14px;
        justify-content: flex-start;
        gap: 12px;
      }

      .side-nav .nav-item span {
        display: inline;
        font-size: 0.95rem;
      }

      .side-nav .nav-item i {
        width: 20px;
        margin: 0;
        font-size: 1.05rem;
      }

      .side-nav .nav-item.active::before {
        left: 0;
      }

      .side-nav .side-foot {
        display: none;
      }

      .nav-toggle {
        display: flex;
      }

      .nav-backdrop {
        display: block;
      }

      /* 主区域 */
      .main-wrap {
        margin-left: 0;
        padding-top: 60px;
      }

      /* Hero */
      .cat-banner {
        min-height: 380px;
        padding: 48px 0;
      }

      .cat-banner h1 {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
      }

      .cat-banner .banner-desc {
        font-size: 0.95rem;
      }

      .banner-actions {
        flex-direction: column;
        align-items: stretch;
        max-width: 320px;
      }

      .banner-actions .btn-main,
      .banner-actions .btn-ghost {
        width: 100%;
      }

      /* Guide List */
      .guide-item {
        gap: 14px;
        padding: 14px;
        align-items: flex-start;
      }

      .guide-thumb {
        width: 88px;
        height: 66px;
        flex-shrink: 0;
      }

      .guide-title {
        font-size: 1rem;
      }

      .guide-summary {
        -webkit-line-clamp: 2;
      }

      /* Scene */
      .scene-card {
        padding: 24px 20px;
      }

      /* Flow */
      .flow-steps {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 32px;
      }

      .flow-step {
        padding: 24px;
      }

      /* CTA */
      .cta-panel {
        padding: 40px 24px;
      }

      /* Footer */
      .footer-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }

      .footer-nav {
        width: 100%;
        gap: 14px;
      }

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

      .footer-links {
        flex-wrap: wrap;
      }
    }

    @media (max-width: 520px) {
      .guide-item {
        flex-direction: row;
      }

      .guide-thumb {
        width: 80px;
        height: 60px;
      }

      .guide-meta {
        gap: 8px;
      }

      .badge-tag {
        padding: 3px 10px;
        font-size: 0.72rem;
      }

      .guide-date {
        font-size: 0.75rem;
      }

      .section-head h2 {
        font-size: 1.25rem;
        padding-left: 14px;
      }

      .section-head p {
        font-size: 0.85rem;
      }

      .cat-banner .breadcrumb-nav {
        font-size: 0.78rem;
      }

      .banner-actions .btn-main,
      .banner-actions .btn-ghost {
        padding: 11px 20px;
        font-size: 0.88rem;
      }

      .faq-question {
        padding: 16px 18px;
        font-size: 0.9rem;
      }

      .faq-answer-inner {
        padding: 0 18px 16px;
        font-size: 0.85rem;
      }
    }