/* roulang page: index */
:root {
  --brand-900: #0f2440;
  --brand-800: #123b5d;
  --brand-700: #1e5a8a;
  --accent: #d4a853;
  --accent-light: #f0d89a;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --shadow-card: 0 4px 24px rgba(15, 36, 64, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background-color: #f1f5f9;
  -webkit-font-smoothing: antialiased;
}

/* ===== Sidebar ===== */
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  border-radius: 12px;
  color: #94a3b8;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  transform: translateX(2px);
}
.sidebar-link.active {
  background: rgba(212, 168, 83, 0.12);
  color: var(--accent);
  border-left: 3px solid var(--accent);
}
.sidebar-link i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--brand-900);
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 9999px;
  font-size: 16px;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(212, 168, 83, 0.25);
}
.btn-primary:hover {
  background: #e0b96f;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(212, 168, 83, 0.4);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-primary:focus-visible {
  outline: 3px solid rgba(212, 168, 83, 0.4);
  outline-offset: 2px;
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #ffffff;
  font-weight: 500;
  padding: 14px 32px;
  border-radius: 9999px;
  font-size: 16px;
  background: rgba(255, 255, 255, 0.05);
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
  transform: translateY(-2px);
}
.btn-outline-light:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.4);
  outline-offset: 2px;
}

.btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--brand-900);
  color: #ffffff;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 9999px;
  font-size: 16px;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
}
.btn-dark:hover {
  background: var(--brand-800);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 36, 64, 0.25);
}

/* ===== Section ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(212, 168, 83, 0.1);
  border: 1px solid rgba(212, 168, 83, 0.3);
  color: #b8893a;
  font-size: 13px;
  font-weight: 600;
  border-radius: 9999px;
  letter-spacing: 0.05em;
}

.section-tag-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(212, 168, 83, 0.16);
  border: 1px solid rgba(212, 168, 83, 0.4);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  border-radius: 9999px;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  margin-top: 16px;
  letter-spacing: -0.01em;
}

.section-desc {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 640px;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.6rem;
  }
}

/* ===== Feature ===== */
.feature-item {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background: #f8fafc;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: all 0.25s ease;
}
.feature-item:hover {
  border-color: rgba(212, 168, 83, 0.4);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(212, 168, 83, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
}

/* ===== Category Card ===== */
.category-card {
  display: block;
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(15, 36, 64, 0.12);
  border-color: transparent;
}
.category-card:focus-visible {
  outline: 3px solid rgba(212, 168, 83, 0.4);
  outline-offset: 2px;
}

/* ===== News Card ===== */
.news-card {
  display: block;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  border: 1px solid var(--border-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.news-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 36px rgba(15, 36, 64, 0.1);
  border-color: rgba(212, 168, 83, 0.3);
}
.news-card:hover::after {
  opacity: 1;
}
.news-card:focus-visible {
  outline: 3px solid rgba(212, 168, 83, 0.4);
  outline-offset: 2px;
}
.badge-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: rgba(212, 168, 83, 0.1);
  color: #b8893a;
  font-size: 12px;
  font-weight: 600;
  border-radius: 9999px;
}

/* ===== Stat Card ===== */
.stat-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}
.stat-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(212, 168, 83, 0.3);
  transform: translateY(-4px);
}
.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.stat-label {
  color: #cbd5e1;
  font-size: 14px;
  margin-top: 8px;
  font-weight: 400;
}

/* ===== Step Card ===== */
.step-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.3s ease;
}
.step-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--brand-900);
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}
.step-card:hover .step-number {
  background: var(--accent);
  color: var(--brand-900);
}

/* ===== FAQ ===== */
.faq-item {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 0;
  border: 1px solid var(--border-color);
  transition: all 0.25s ease;
  overflow: hidden;
}
.faq-item:hover {
  border-color: rgba(212, 168, 83, 0.4);
  box-shadow: 0 4px 16px rgba(15, 36, 64, 0.05);
}
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-main);
  padding: 20px 24px;
  font-size: 16px;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--accent);
}
.faq-item summary i {
  color: var(--accent);
  transition: transform 0.3s ease;
  font-size: 14px;
}
.faq-item[open] summary i {
  transform: rotate(180deg);
}
.faq-item .faq-answer {
  padding: 0 24px 20px;
  color: var(--text-muted);
  line-height: 1.75;
  font-size: 15px;
  border-top: 1px solid #f1f5f9;
  margin: 0 24px;
  padding-left: 0;
  padding-right: 0;
  padding-top: 16px;
}

/* ===== CTA Box ===== */
.cta-box {
  background: linear-gradient(135deg, var(--brand-900), var(--brand-800));
  border-radius: 24px;
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(212, 168, 83, 0.15);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(212, 168, 83, 0.1);
}

/* ===== Utilities ===== */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

::selection {
  background: var(--accent);
  color: var(--brand-900);
}

a {
  text-decoration: none;
  color: inherit;
}

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

/* ===== Mobile Menu ===== */
#mobileMenu {
  transition: opacity 0.25s ease;
}
#mobileMenu .drawer {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(15, 36, 64, 0.2);
  border-radius: 3px;
}

/* roulang page: category1 */
:root{
  --primary:#0f2440;
  --primary-light:#1a3a63;
  --accent:#d97706;
  --accent-light:#f59e0b;
  --bg-light:#f8fafc;
  --text-dark:#1e293b;
  --text-body:#475569;
  --text-muted:#94a3b8;
  --border:#e2e8f0;
  --radius:1rem;
  --shadow-sm:0 1px 3px rgba(15,36,64,0.08);
  --shadow-md:0 4px 16px rgba(15,36,64,0.10);
  --shadow-lg:0 12px 40px rgba(15,36,64,0.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:#fff;color:var(--text-body);line-height:1.7;font-size:16px;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit;outline:none}

.container{max-width:1280px;margin:0 auto}

.sidebar-link{
  display:flex;align-items:center;gap:12px;padding:11px 16px;
  border-radius:12px;color:#94a3b8;font-size:14px;font-weight:500;
  transition:all .22s ease;
}
.sidebar-link i{width:20px;text-align:center;font-size:15px;color:#64748b;transition:color .22s}
.sidebar-link:hover{background:rgba(255,255,255,0.06);color:#e2e8f0}
.sidebar-link:hover i{color:var(--accent-light)}
.sidebar-link.active{
  background:linear-gradient(135deg,rgba(217,119,6,0.18),rgba(217,119,6,0.08));
  color:#fff;font-weight:600;
}
.sidebar-link.active i{color:var(--accent-light)}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 30px;border-radius:12px;font-size:15px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,var(--accent),#b45309);
  box-shadow:0 4px 20px rgba(217,119,6,0.3);transition:all .25s ease;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(217,119,6,0.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 10px rgba(217,119,6,0.3)}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 30px;border-radius:12px;font-size:15px;font-weight:600;color:#fff;
  background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.25);
  backdrop-filter:blur(8px);transition:all .25s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,0.18);border-color:rgba(255,255,255,0.4)}
.btn-ghost:active{background:rgba(255,255,255,0.08)}

.section-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(217,119,6,0.1);color:var(--accent);
  font-size:12px;font-weight:700;letter-spacing:1px;
  padding:5px 14px;border-radius:999px;text-transform:uppercase;
  margin-bottom:12px;
}
.section-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}

.section-title{font-size:30px;line-height:1.3;color:var(--text-dark);font-weight:800;letter-spacing:-0.5px}
@media(max-width:768px){.section-title{font-size:24px}}

.feature-mini-card{
  background:#f8fafc;border:1px solid var(--border);border-radius:14px;
  padding:16px;transition:all .25s ease;
}
.feature-mini-card i{font-size:20px;margin-bottom:10px}
.feature-mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(217,119,6,0.3)}

.value-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 24px;text-align:center;transition:all .3s ease;position:relative;overflow:hidden;
}
.value-card::after{
  content:'';position:absolute;left:0;top:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--accent),transparent);opacity:0;transition:opacity .3s;
}
.value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(217,119,6,0.2)}
.value-card:hover::after{opacity:1}
.value-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  background:linear-gradient(135deg,rgba(217,119,6,0.12),rgba(217,119,6,0.05));
  display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--accent);
}

.timeline{position:relative;max-width:760px;margin:0 auto;padding:10px 0}
.timeline::before{
  content:'';position:absolute;left:19px;top:0;bottom:0;width:2px;
  background:linear-gradient(to bottom,rgba(217,119,6,0.5),var(--border));
}
.timeline-item{position:relative;padding-left:56px;padding-bottom:40px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{
  position:absolute;left:0;top:4px;width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 4px rgba(217,119,6,0.1);
}
.timeline-dot::after{
  content:'';width:10px;height:10px;border-radius:50%;background:var(--accent);
}
.timeline-content{
  background:#f8fafc;border:1px solid var(--border);border-radius:14px;
  padding:20px 24px;transition:all .25s ease;
}
.timeline-content:hover{box-shadow:var(--shadow-md);border-color:rgba(217,119,6,0.2)}

.stat-card{
  text-align:center;padding:24px;border-radius:16px;
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);
  backdrop-filter:blur(4px);transition:all .25s ease;
}
.stat-card:hover{background:rgba(255,255,255,0.1);transform:translateY(-3px)}
.stat-number{
  font-size:36px;font-weight:800;color:#fff;letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:14px;color:#94a3b8;margin-top:4px}
.stat-card i{font-size:20px;color:var(--accent-light);margin-bottom:8px;display:block}

.news-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  overflow:hidden;transition:all .3s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-card:hover img{transform:scale(1.05)}

.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  overflow:hidden;transition:border-color .25s;
}
.faq-item.active{border-color:rgba(217,119,6,0.4);box-shadow:var(--shadow-sm)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-dark);
  width:100%;text-align:left;transition:color .2s;
}
.faq-question i{color:var(--text-muted);transition:transform .3s,color .3s;font-size:14px}
.faq-item.active .faq-question{color:var(--accent)}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--accent)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer-inner{padding:0 24px 20px;font-size:15px;color:var(--text-body);line-height:1.8;border-top:1px dashed var(--border);padding-top:14px}

@media(max-width:1024px){
  .sidebar-link{font-size:14px;padding:10px 14px}
}
@media(max-width:768px){
  body{font-size:15px}
  .btn-primary,.btn-ghost{width:auto;padding:12px 24px;font-size:14px}
  .timeline::before{left:15px}
  .timeline-item{padding-left:44px}
  .timeline-dot{width:32px;height:32px;left:0;top:8px}
}
@media(max-width:520px){
  .section-title{font-size:22px}
  .stat-number{font-size:28px}
  .value-card{padding:22px 16px}
  .faq-question{padding:16px 16px;font-size:15px}
  .faq-answer-inner{padding:0 16px 16px}
}

/* roulang page: article */
:root {
  --primary: #0f2440;
  --primary-light: #1e3a5f;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --bg-body: #f8fafc;
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --shadow-sm: 0 1px 3px rgba(15,36,64,0.08);
  --shadow-md: 0 8px 24px rgba(15,36,64,0.08);
  --shadow-lg: 0 16px 40px rgba(15,36,64,0.12);
}
html { scroll-behavior: smooth; }
body { background: var(--bg-body); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; color: var(--text-body); -webkit-font-smoothing: antialiased; }
* { box-sizing: border-box; margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; }
.container { width: 100%; max-width: 1280px; margin-left: auto; margin-right: auto; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  color: #64748b;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}
.sidebar-link i { width: 1.25rem; text-align: center; font-size: 1rem; }
.sidebar-link:hover { background: #f1f5f9; color: #0f2440; transform: translateX(2px); }
.sidebar-link.active { background: #0f2440; color: #ffffff; box-shadow: 0 4px 12px rgba(15,36,64,0.25); }
.sidebar-link.active:hover { background: #0f2440; color: #ffffff; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  border-radius: 0.875rem;
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  color: #0f2440;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
  box-shadow: 0 4px 16px rgba(245,158,11,0.35);
  border: none;
  cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.45); }
.btn-primary:focus { outline: 3px solid rgba(245,158,11,0.4); outline-offset: 2px; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  border-radius: 0.875rem;
  background: rgba(255,255,255,0.1);
  color: #ffffff;
  font-weight: 500;
  font-size: 0.9375rem;
  border: 1px solid rgba(255,255,255,0.25);
  transition: all 0.2s ease;
  cursor: pointer;
}
.btn-ghost:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.5); transform: translateY(-2px); }

.article-content { font-size: 1.0625rem; line-height: 2; color: #334155; }
.article-content p { margin-bottom: 1.75rem; }
.article-content h2 { font-size: 1.5rem; font-weight: 700; color: #0f2440; margin-top: 2.75rem; margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 2px solid #f1f5f9; }
.article-content h3 { font-size: 1.25rem; font-weight: 600; color: #0f2440; margin-top: 2.25rem; margin-bottom: 1rem; }
.article-content h4 { font-size: 1.125rem; font-weight: 600; color: #0f2440; margin-top: 1.75rem; margin-bottom: 0.75rem; }
.article-content ul { margin: 1.5rem 0; padding-left: 1.5rem; list-style: disc; }
.article-content ul li { margin-bottom: 0.75rem; padding-left: 0.375rem; }
.article-content ol { margin: 1.5rem 0; padding-left: 1.5rem; list-style: decimal; }
.article-content ol li { margin-bottom: 0.75rem; padding-left: 0.375rem; }
.article-content a { color: #d97706; font-weight: 500; text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: #0f2440; }
.article-content blockquote { border-left: 4px solid #f59e0b; background: #fffbeb; padding: 1.25rem 1.5rem; border-radius: 0 0.75rem 0.75rem 0; margin: 1.75rem 0; font-style: italic; color: #57534e; }
.article-content img { border-radius: 1rem; margin: 2rem 0; box-shadow: 0 8px 24px rgba(15,36,64,0.1); }
.article-content iframe { border-radius: 1rem; margin: 2rem 0; width: 100%; aspect-ratio: 16/9; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.75rem 0; font-size: 0.9375rem; }
.article-content table th { background: #f8fafc; color: #0f2440; font-weight: 600; padding: 0.875rem 1rem; text-align: left; border-bottom: 2px solid #e2e8f0; }
.article-content table td { padding: 0.875rem 1rem; border-bottom: 1px solid #f1f5f9; }

.related-card {
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
  border-radius: 1.25rem;
  background: #fff;
  overflow: hidden;
}
.related-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(15,36,64,0.12); border-color: #f59e0b30; }
.related-card img { transition: transform 0.4s ease; }
.related-card:hover img { transform: scale(1.05); }

.card-hover { transition: all 0.3s ease; }
.card-hover:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(15,36,64,0.1); }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-up { animation: fadeInUp 0.7s ease forwards; }

::selection { background: #f59e0b; color: #0f2440; }

/* roulang page: category3 */
:root {
    --primary: #0f2440;
    --accent: #f59e0b;
    --bg: #f8fafc;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --radius: 1rem;
    --shadow: 0 4px 24px rgba(15, 36, 64, 0.08);
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
  }

  /* ===== 侧边导航 ===== */
  .sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    color: #94a3b8;
    font-size: 0.925rem;
    font-weight: 500;
    transition: all 0.25s ease;
    border-left: 3px solid transparent;
  }
  .sidebar-link i {
    width: 1.25rem;
    text-align: center;
    font-size: 1rem;
    flex-shrink: 0;
  }
  .sidebar-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    text-decoration: none;
  }
  .sidebar-link.active {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.06));
    color: #f59e0b;
    border-left-color: #f59e0b;
  }

  /* ===== 卡片通用 ===== */
  .card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  }
  .card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(15, 36, 64, 0.12);
    border-color: rgba(245, 158, 11, 0.4);
  }

  /* ===== 按钮 ===== */
  .btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  }
  .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
    color: #fff;
  }

  .btn-outline-light {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    color: #fff;
    font-weight: 500;
    padding: 0.7rem 1.5rem;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
  }
  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
  }

  /* ===== 徽章 ===== */
  .badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(245, 158, 11, 0.12);
    color: #b45309;
    letter-spacing: 0.02em;
  }
  .badge-dark {
    background: rgba(255, 255, 255, 0.1);
    color: #f59e0b;
  }

  /* ===== 流程步骤 ===== */
  .step-wrap {
    position: relative;
  }
  .step-line {
    position: absolute;
    top: 2.5rem;
    left: 3rem;
    right: 3rem;
    height: 2px;
    background: repeating-linear-gradient(90deg, #e2e8f0 0, #e2e8f0 8px, transparent 8px, transparent 12px);
  }
  @media (max-width: 767px) {
    .step-line {
      display: none;
    }
  }

  /* ===== FAQ ===== */
  .faq-item {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
  }
  .faq-item:hover {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 4px 16px rgba(15, 36, 64, 0.06);
  }

  /* ===== 移动端侧栏 ===== */
  #sidebar {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }
  #sidebar.open {
    transform: translateX(0);
  }
  #sidebarMask {
    transition: opacity 0.3s ease;
  }

  /* ===== 图片 ===== */
  .img-zoom img {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  .img-zoom:hover img {
    transform: scale(1.06);
  }

  /* ===== 输入 ===== */
  input:focus, button:focus, a:focus {
    outline: 2px solid rgba(245, 158, 11, 0.5);
    outline-offset: 2px;
  }

/* roulang page: category2 */
:root {
  --primary: #0f2440;
  --primary-light: #1e3a5f;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 1rem;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
button { background: none; border: none; cursor: pointer; }
.container { max-width: 1280px; margin-left: auto; margin-right: auto; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border-radius: 0.75rem;
  color: #94a3b8;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.25s ease;
  border-left: 3px solid transparent;
}
.sidebar-link i { width: 1.25rem; text-align: center; font-size: 0.95rem; }
.sidebar-link:hover { background: rgba(255,255,255,0.08); color: #ffffff; }
.sidebar-link.active {
  background: linear-gradient(135deg, rgba(245,158,11,0.18), rgba(245,158,11,0.04));
  color: #f59e0b;
  border-left: 3px solid #f59e0b;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #f59e0b;
  letter-spacing: 0.08em;
}
.section-tag::before {
  content: "";
  width: 2rem;
  height: 2px;
  background: #f59e0b;
  border-radius: 2px;
}
.section-title {
  font-size: 1.875rem;
  font-weight: 800;
  color: #0f2440;
  margin-top: 0.5rem;
  line-height: 1.3;
}
@media (max-width: 768px) {
  .section-title { font-size: 1.5rem; }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #0f2440;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 14px rgba(245,158,11,0.35);
  transition: all 0.25s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245,158,11,0.45);
  color: #0f2440;
}
.btn-primary:focus-visible, .btn-secondary:focus-visible, .sidebar-link:focus-visible {
  outline: 2px solid #f59e0b;
  outline-offset: 2px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(255,255,255,0.35);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.05);
  transition: all 0.25s ease;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: #ffffff;
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}
.tag:hover { background: #e2e8f0; transform: translateY(-1px); }
.tag-active {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  background: #0f2440;
  color: #ffffff;
  border: 1px solid #0f2440;
  box-shadow: 0 4px 12px rgba(15,36,64,0.25);
}

.article-card {
  background: #ffffff;
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  overflow: hidden;
  transition: all 0.35s ease;
}
.article-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.10);
  border-color: #f59e0b;
}
.article-card .card-img-wrapper {
  overflow: hidden;
  position: relative;
}
.article-card .card-img-wrapper img {
  transition: transform 0.6s ease;
}
.article-card:hover .card-img-wrapper img {
  transform: scale(1.06);
}

.faq-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 1rem;
  padding: 1.75rem;
  transition: all 0.25s ease;
}
.faq-item:hover {
  border-color: #f59e0b;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  transform: translateY(-3px);
}

.timeline-wrap { position: relative; }
.timeline-item {
  position: relative;
  padding-left: 2.8rem;
  padding-bottom: 2.8rem;
  border-left: 2px solid #e2e8f0;
}
.timeline-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #f59e0b;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.25);
}

.stat-item {
  text-align: center;
  padding: 2.2rem 1.5rem;
  border-radius: 1.25rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  transition: all 0.3s ease;
}
.stat-item:hover {
  background: rgba(255,255,255,0.10);
  transform: translateY(-6px);
  border-color: rgba(245,158,11,0.4);
}
.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  color: #f59e0b;
  line-height: 1.15;
}
@media (max-width: 768px) {
  .stat-number { font-size: 2rem; }
  .stat-item { padding: 1.6rem 1rem; }
}

.cta-box {
  position: relative;
  border-radius: 1.75rem;
  overflow: hidden;
  background: #0f2440;
  padding: 4rem 2rem;
  text-align: center;
}
.cta-box .cta-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}
.cta-box .cta-content { position: relative; z-index: 1; }

.mobile-header {
  backdrop-filter: blur(12px);
  background: rgba(15,36,64,0.92);
}

@media (max-width: 1024px) {
  .container { padding-left: 1.25rem; padding-right: 1.25rem; }
}
@media (max-width: 640px) {
  .container { padding-left: 1rem; padding-right: 1rem; }
}