/* roulang page: index */
:root {
  --brand: #4a7f9a;
  --brand-dark: #3c6a83;
  --brand-deeper: #31586d;
  --brand-soft: rgba(74, 127, 154, 0.12);
  --brand-soft-2: rgba(74, 127, 154, 0.06);
  --accent: #c9a86a;
  --accent-soft: rgba(201, 168, 106, 0.15);
  --bg: #f8fafc;
  --bg-alt: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --muted-light: #94a3b8;
  --border: rgba(74, 127, 154, 0.15);
  --border-light: rgba(74, 127, 154, 0.08);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-xs: 0 2px 8px rgba(74, 127, 154, 0.08);
  --shadow-md: 0 8px 28px rgba(74, 127, 154, 0.12);
  --shadow-lg: 0 16px 44px rgba(74, 127, 154, 0.18);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all .3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color .25s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input, select, textarea {
  font-family: inherit;
  outline: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
}

.section {
  padding: 80px 0;
}

@media (max-width: 1024px) {
  .section { padding: 60px 0; }
}

@media (max-width: 640px) {
  .section { padding: 48px 0; }
}

/* ===== 悬浮胶囊导航 ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  width: calc(100% - 32px);
  max-width: 1280px;
  border-radius: 44px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.site-header.scrolled {
  top: 12px;
  background: rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow-lg);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px 0 24px;
  min-height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-logo i {
  color: var(--brand);
  font-size: 22px;
}

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

.nav-links a {
  position: relative;
  padding: 8px 14px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--brand);
  background: var(--brand-soft);
}

.nav-links a.active {
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-weight: 600;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand);
  color: #fff !important;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 22px;
  border-radius: 30px;
  box-shadow: 0 4px 14px rgba(74, 127, 154, 0.28);
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(74, 127, 154, 0.34);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  border-radius: 12px;
  padding: 10px;
  align-items: center;
  transition: var(--transition);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  padding: 0 20px 20px;
  background: transparent;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--brand-soft);
  color: var(--brand-dark);
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; max-height: 0; overflow: hidden; transition: max-height .35s ease; padding: 0; }
  .mobile-menu.open { max-height: 500px; padding: 0 20px 20px; }
  .mobile-menu .nav-cta { display: inline-flex; margin-top: 12px; justify-content: center; width: 100%; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.5) 100%);
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  max-width: 820px;
  padding: 120px 24px 80px;
  color: #fff;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.26);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  border-radius: 999px;
  padding: 6px 16px;
  letter-spacing: 0.02em;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: 44px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 24px 0 18px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-bottom: 30px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 32px;
  border: none;
  transition: var(--transition);
  line-height: 1.2;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 4px 16px rgba(74, 127, 154, 0.35);
}

.btn-primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(74, 127, 154, 0.42);
}

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(4px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.26);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--brand-soft);
  border-color: var(--brand-dark);
  color: var(--brand-dark);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
  border-radius: 12px;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 34px; }
  .hero-subtitle { font-size: 16px; }
  .hero-buttons .btn { width: 100%; }
  .hero-content { padding-top: 140px; }
}

/* ===== 信任条 ===== */
.trust-bar {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border-light);
  padding: 24px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.trust-item {
  text-align: center;
  padding: 12px 20px;
  border-right: 1px solid var(--border-light);
}

.trust-item:last-child {
  border-right: none;
}

.trust-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--brand);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.trust-label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

@media (max-width: 768px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item { border-right: none; border-bottom: 1px solid var(--border-light); }
  .trust-item:nth-child(odd) { border-right: 1px solid var(--border-light); }
  .trust-item:nth-last-child(-n+2) { border-bottom: none; }
  .trust-number { font-size: 26px; }
}

/* ===== 板块标题 ===== */
.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.section-head p {
  font-size: 16px;
  color: var(--muted);
  margin-top: 10px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
  text-transform: none;
}

@media (max-width: 640px) {
  .section-head h2 { font-size: 26px; }
}

/* ===== 议程时间线 ===== */
.agenda-section {
  background: var(--bg-alt);
}

.timeline {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--brand) 8%, var(--brand) 92%, transparent);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  top: 32px;
  width: 14px;
  height: 14px;
  background: var(--brand);
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(74, 127, 154, 0.25);
  z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -7px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -7px;
}

.timeline-card {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
  display: inline-block;
  text-align: left;
  max-width: 380px;
  width: 100%;
}

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

.timeline-time {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-dark);
  background: var(--brand-soft);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.timeline-name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
  line-height: 1.4;
}

.timeline-detail {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.timeline-detail i {
  color: var(--brand);
  margin-right: 4px;
  font-size: 13px;
}

@media (max-width: 768px) {
  .timeline::before { left: 20px; transform: none; }
  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    width: 100%;
    left: 0;
    text-align: left;
    padding: 14px 0 14px 52px;
  }
  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 13px;
    right: auto;
  }
  .timeline-card { max-width: 100%; }
}

/* ===== 嘉宾 & 亮点 ===== */
.speakers-section {
  background: var(--bg);
}

.speakers-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.speakers-scroll::-webkit-scrollbar {
  height: 6px;
}

.speakers-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 6px;
}

.speakers-scroll::-webkit-scrollbar-track {
  background: var(--border-light);
  border-radius: 6px;
}

.speaker-card {
  flex: 0 0 250px;
  scroll-snap-align: start;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
}

.speaker-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
  border-color: var(--border);
}

.speaker-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 26px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border: 3px solid #fff;
  box-shadow: var(--shadow-xs);
  transition: transform .25s ease;
}

.speaker-card:hover .speaker-avatar {
  transform: scale(1.06);
}

.speaker-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.speaker-role {
  font-size: 14px;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.5;
}

.speaker-highlight {
  font-size: 13px;
  color: var(--muted-light);
  margin-top: 10px;
  line-height: 1.5;
  border-top: 1px solid var(--border-light);
  padding-top: 10px;
}

.highlights-box {
  margin-top: 50px;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 32px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.5;
}

.highlight-item i {
  color: var(--brand);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .highlights-box { grid-template-columns: 1fr; padding: 24px; }
}

@media (max-width: 640px) {
  .speakers-scroll { flex-wrap: nowrap; }
  .speaker-card { flex: 0 0 220px; }
}

/* ===== 票种对比 ===== */
.tickets-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.tickets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: stretch;
}

.ticket-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.ticket-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.ticket-card.hot {
  border: 2px solid var(--brand);
  background: #fff;
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
}

.ticket-tag {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 999px;
  box-shadow: 0 4px 10px rgba(201, 168, 106, 0.35);
}

.ticket-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.ticket-price {
  font-size: 38px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.ticket-price span {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
}

.ticket-features {
  list-style: none;
  margin-bottom: 28px;
  flex-grow: 1;
}

.ticket-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  padding: 7px 0;
  line-height: 1.5;
}

.ticket-features li i {
  color: var(--brand);
  font-size: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}

.ticket-features li.disabled {
  color: var(--muted-light);
}

.ticket-features li.disabled i {
  color: var(--muted-light);
}

.ticket-btn {
  display: block;
  text-align: center;
  padding: 13px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  border: 1.5px solid var(--brand);
  color: var(--brand);
  background: transparent;
  transition: var(--transition);
}

.ticket-btn:hover {
  background: var(--brand);
  color: #fff;
}

.ticket-btn.solid {
  background: var(--brand);
  color: #fff;
}

.ticket-btn.solid:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(74, 127, 154, 0.3);
}

@media (max-width: 900px) {
  .tickets-grid { grid-template-columns: 1fr; max-width: 460px; }
  .ticket-card.hot { transform: scale(1); }
}

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

.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s ease;
}

.faq-item.active {
  border-color: var(--border);
  box-shadow: var(--shadow-xs);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: background .25s ease;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.faq-question:hover {
  background: var(--brand-soft-2);
}

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: all .3s ease;
}

.faq-item.active .faq-icon {
  background: var(--brand);
  color: #fff;
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  padding: 0 26px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.faq-answer-inner {
  padding-bottom: 22px;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
  margin-top: 2px;
}

/* ===== CTA 报名 ===== */
.cta-section {
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
  isolation: isolate;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(31, 42, 54, 0.65);
  z-index: -1;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  color: #fff;
  padding: 48px 0;
}

.cta-text h2 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
  color: #fff;
}

.cta-text p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 420px;
}

.cta-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  min-width: 360px;
}

.cta-form h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(74, 127, 154, 0.15);
  background: #fff;
}

.form-group input::placeholder {
  color: var(--muted-light);
}

.form-submit {
  width: 100%;
  border: none;
  background: var(--brand);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 4px;
}

.form-submit:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(74, 127, 154, 0.3);
}

.form-note {
  font-size: 12px;
  color: var(--muted-light);
  text-align: center;
  margin-top: 12px;
}

@media (max-width: 900px) {
  .cta-inner { flex-direction: column; padding: 32px 24px; }
  .cta-form { min-width: 0; width: 100%; max-width: 460px; }
}

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

.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
}

.news-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}

.news-header .view-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  transition: var(--transition);
}

.news-header .view-all i {
  transition: transform .3s ease;
}

.news-header .view-all:hover {
  color: var(--brand-dark);
}

.news-header .view-all:hover i {
  transform: translateX(4px);
}

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

.news-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
  border-color: var(--border);
}

.news-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--brand-soft);
}

.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

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

.news-body {
  padding: 22px 24px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-dark);
  background: var(--brand-soft);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
  align-self: flex-start;
}

.news-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  flex-grow: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted-light);
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
  margin-top: 2px;
}

.news-meta .read-more {
  color: var(--brand);
  font-weight: 600;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.news-meta .read-more:hover {
  color: var(--brand-dark);
  gap: 8px;
}

.empty-state {
  grid-column: 1 / -1;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 60px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
  background: var(--bg-alt);
}

.empty-state i {
  display: block;
  font-size: 36px;
  color: var(--brand-soft);
  margin-bottom: 12px;
}

@media (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-header { flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* ===== 页脚 ===== */
.site-footer {
  background: #1f2a36;
  color: rgba(255, 255, 255, 0.88);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 14px;
  max-width: 280px;
}

.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

.footer-logo i {
  color: var(--accent);
  margin-right: 6px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  padding: 5px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer-col p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.7;
  padding: 3px 0;
}

.footer-col .contact-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 5px 0;
}

.footer-col .contact-line i {
  color: var(--accent);
  font-size: 14px;
  margin-top: 4px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition);
  padding: 0;
}

.footer-social a:hover {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  background: rgba(0, 0, 0, 0.22);
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .site-footer { padding-top: 48px; }
}

/* ===== 通用工具 ===== */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* roulang page: category1 */
:root {
    --brand: #4a7f9a;
    --brand-dark: #3c6a83;
    --brand-soft: rgba(74, 127, 154, 0.10);
    --brand-border: rgba(74, 127, 154, 0.22);
    --accent: #c8a96a;
    --accent-soft: rgba(200, 169, 106, 0.14);
    --bg: #f8fafc;
    --text: #1e293b;
    --text-muted: #64748b;
    --line: rgba(74, 127, 154, 0.15);
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-xs: 0 1px 3px rgba(30, 41, 59, 0.06);
    --shadow-md: 0 10px 30px rgba(74, 127, 154, 0.12);
    --shadow-lg: 0 20px 50px rgba(74, 127, 154, 0.16);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: var(--brand); text-decoration: none; transition: color 0.2s ease; }
  a:hover { color: var(--brand-dark); }
  button { font-family: inherit; cursor: pointer; }
  input, select, textarea { font-family: inherit; }

  .container { max-width: 1280px; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }

  /* 悬浮胶囊导航 */
  .site-header {
    position: fixed;
    top: 16px;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 1rem;
    pointer-events: none;
  }
  .nav-capsule {
    max-width: 1280px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 999px;
    box-shadow: 0 8px 32px rgba(30, 41, 59, 0.09);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px 10px 24px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    pointer-events: auto;
    transition: box-shadow 0.3s ease, padding 0.3s ease;
  }
  .nav-capsule.scrolled {
    box-shadow: 0 12px 40px rgba(30, 41, 59, 0.14);
    padding-top: 8px;
    padding-bottom: 8px;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
    white-space: nowrap;
  }
  .brand-logo i {
    color: var(--brand);
    font-size: 1.35rem;
  }
  .nav-links { display: flex; align-items: center; gap: 2px; }
  .nav-links a {
    display: inline-block;
    padding: 7px 16px;
    border-radius: 999px;
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--text);
    transition: background 0.2s ease, color 0.2s ease;
  }
  .nav-links a:hover { background: var(--brand-soft); color: var(--brand); }
  .nav-links a.active {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 4px 14px rgba(74, 127, 154, 0.3);
  }
  .nav-cta { display: flex; align-items: center; gap: 12px; }
  .nav-cta .btn {
    white-space: nowrap;
  }
  .nav-toggle { display: none; }
  .mobile-panel {
    display: none;
  }

  /* 按钮 */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    transition: all 0.25s ease;
    border: 1px solid transparent;
  }
  .btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 6px 20px rgba(74, 127, 154, 0.28);
  }
  .btn-primary:hover {
    background: var(--brand-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(74, 127, 154, 0.36);
  }
  .btn-primary:active { transform: translateY(0); }
  .btn-outline {
    background: #fff;
    border-color: var(--brand);
    color: var(--brand);
  }
  .btn-outline:hover {
    background: var(--brand-soft);
    border-color: var(--brand-dark);
    color: var(--brand-dark);
  }
  .btn-light {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
  }
  .btn-light:hover { background: rgba(255, 255, 255, 0.3); color: #fff; }
  .btn-text {
    padding: 0;
    background: none;
    border: none;
    color: var(--brand);
    font-weight: 600;
    gap: 6px;
  }
  .btn-text i { transition: transform 0.2s ease; }
  .btn-text:hover i { transform: translateX(4px); }
  .btn:focus-visible,
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
  }

  /* 页头标题区 */
  .category-hero {
    position: relative;
    padding: 160px 0 80px;
    background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  }
  .category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.72), rgba(74, 127, 154, 0.35));
  }
  .category-hero .container { position: relative; z-index: 1; }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    padding: 5px 16px;
    font-size: 0.8rem;
    color: #fff;
    margin-bottom: 18px;
    backdrop-filter: blur(4px);
  }
  .category-hero h1 {
    font-size: 3.2rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
  }
  .category-hero .hero-desc {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 640px;
    line-height: 1.8;
    margin-bottom: 28px;
  }
  .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

  /* 数据带 */
  .stats-strip {
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 28px 0;
  }
  .stats-strip .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .stat-item { text-align: center; padding: 8px 0; position: relative; }
  .stat-item + .stat-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    width: 1px;
    height: 60%;
    background: var(--line);
  }
  .stat-item .stat-num {
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--brand);
    line-height: 1.2;
  }
  .stat-item .stat-label { font-size: 0.88rem; color: var(--text-muted); margin-top: 2px; }

  /* 时间线 */
  .timeline-section { padding: 90px 0 50px; }
  .section-label {
    display: inline-block;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    margin-bottom: 12px;
  }
  .section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 12px;
  }
  .section-subtitle { color: var(--text-muted); max-width: 640px; }

  .timeline-wrap { position: relative; margin-top: 56px; }
  .timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--brand-border);
    transform: translateX(-50%);
  }
  .timeline-item { position: relative; width: 50%; padding: 0 44px 48px; }
  .timeline-item:nth-child(odd) { left: 0; text-align: right; }
  .timeline-item:nth-child(even) { left: 50%; text-align: left; }
  .timeline-node {
    position: absolute;
    top: 28px;
    width: 14px;
    height: 14px;
    background: var(--brand);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px rgba(74, 127, 154, 0.25);
    z-index: 2;
  }
  .timeline-item:nth-child(odd) .timeline-node { right: -7px; }
  .timeline-item:nth-child(even) .timeline-node { left: -7px; }
  .timeline-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 26px 30px;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--line);
    transition: all 0.3s ease;
    display: inline-block;
    width: 100%;
    max-width: 460px;
  }
  .timeline-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
  .timeline-time {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--brand);
    background: var(--brand-soft);
    padding: 2px 12px;
    border-radius: 999px;
    display: inline-block;
    margin-bottom: 10px;
  }
  .timeline-card h3 { font-size: 1.1rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
  .timeline-card .timeline-meta { font-size: 0.875rem; color: var(--text-muted); }
  .timeline-card .timeline-meta i { color: var(--accent); margin-right: 4px; }

  .timeline-day-label {
    text-align: center;
    margin: 0 0 30px;
  }
  .day-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--brand-border);
    color: var(--brand);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 6px 22px;
    border-radius: 999px;
  }

  /* 议题板块 */
  .topics-section { padding: 60px 0 80px; }
  .topics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 44px;
  }
  .topic-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-xs);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }
  .topic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--brand);
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .topic-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
  .topic-card:hover::before { opacity: 1; }
  .topic-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--brand-soft);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 18px;
  }
  .topic-card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 10px; color: var(--text); }
  .topic-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.75; }

  /* 适合人群 */
  .audience-section {
    background: #fff;
    padding: 80px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
  }
  .audience-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
    background: var(--bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    transition: all 0.25s ease;
  }
  .audience-item:hover { border-color: var(--brand-border); box-shadow: var(--shadow-xs); }
  .audience-item i {
    color: var(--brand);
    font-size: 1.15rem;
    margin-top: 3px;
  }
  .audience-item h4 { font-size: 1.02rem; font-weight: 600; margin-bottom: 4px; }
  .audience-item p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; }

  /* FAQ */
  .faq-section { padding: 80px 0; }
  .faq-list { max-width: 820px; margin: 44px auto 0; }
  .faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow 0.25s ease;
  }
  .faq-item.open { box-shadow: var(--shadow-md); border-color: var(--brand-border); }
  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    transition: color 0.2s ease;
    user-select: none;
  }
  .faq-question:hover { color: var(--brand); }
  .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
    margin-left: 14px;
    transition: transform 0.25s ease, background 0.25s ease;
  }
  .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--brand); color: #fff; }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
    border-top: 1px solid transparent;
  }
  .faq-item.open .faq-answer-inner { border-top-color: var(--line); padding-top: 14px; }

  /* CTA */
  .cta-section {
    position: relative;
    padding: 80px 0;
    background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.68);
  }
  .cta-section .container { position: relative; z-index: 1; }
  .cta-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
  }
  .cta-content h2 { color: #fff; font-size: 2rem; font-weight: 700; line-height: 1.3; margin-bottom: 10px; }
  .cta-content p { color: rgba(255, 255, 255, 0.82); font-size: 1rem; max-width: 500px; }
  .cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

  /* 页脚 */
  .site-footer { background: #1f2a36; color: rgba(255, 255, 255, 0.85); }
  .site-footer .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 70px 0 50px;
  }
  .footer-logo { font-size: 1.35rem; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
  .footer-logo i { color: var(--brand); opacity: 0.85; }
  .footer-brand p { color: rgba(255, 255, 255, 0.65); font-size: 0.92rem; line-height: 1.8; margin-bottom: 20px; }
  .footer-social { display: flex; gap: 12px; }
  .footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: all 0.25s ease;
  }
  .footer-social a:hover { background: var(--brand); color: #fff; transform: translateY(-2px); }
  .footer-col h4 {
    color: #fff;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 18px;
  }
  .footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.92rem;
    margin-bottom: 10px;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }
  .footer-col a:hover { color: #fff; padding-left: 4px; }
  .footer-col p { color: rgba(255, 255, 255, 0.6); font-size: 0.9rem; line-height: 1.7; margin-bottom: 8px; }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 18px 0;
    background: rgba(0, 0, 0, 0.25);
  }
  .footer-bottom .container p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.82rem;
    text-align: center;
  }

  /* 移动端 */
  @media (max-width: 1024px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .mobile-panel { display: block; }
    .nav-cta .btn-nav { display: none; }
    .category-hero h1 { font-size: 2.6rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  }

  @media (max-width: 768px) {
    .container { padding-left: 1rem; padding-right: 1rem; }
    .stats-strip .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-item + .stat-item::before { display: none; }
    .timeline-line { left: 18px; }
    .timeline-item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 0 36px 50px; }
    .timeline-item .timeline-node { left: 11px !important; right: auto !important; }
    .timeline-card { width: 100%; max-width: 100%; }
    .topics-grid { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: 1fr; }
    .category-hero h1 { font-size: 2rem; }
    .category-hero { padding: 140px 0 60px; }
    .cta-wrap { flex-direction: column; align-items: flex-start; }
  }

  @media (max-width: 520px) {
    .category-hero h1 { font-size: 1.75rem; }
    .stats-strip .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item .stat-num { font-size: 1.6rem; }
    .timeline-card { padding: 20px; }
    .topic-card { padding: 24px; }
    .footer-grid { grid-template-columns: 1fr; }
    .nav-capsule { padding: 8px 14px; }
    .brand-logo span.inline-text { font-size: 1.05rem; }
  }

  /* 移动端菜单面板 */
  .mobile-panel {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    z-index: 99;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 18px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--line);
    display: none;
  }
  .mobile-panel.open { display: block; }
  .mobile-panel a {
    display: block;
    padding: 13px 16px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid var(--line);
  }
  .mobile-panel a:last-child { border-bottom: none; }
  .mobile-panel a:hover { background: var(--brand-soft); color: var(--brand); }
  .mobile-panel a.active { background: var(--brand); color: #fff; }
  .mobile-panel .mobile-cta { margin-top: 14px; }

/* roulang page: article */
:root {
    --brand: #4a7f9a;
    --brand-dark: #3c6a83;
    --brand-soft: rgba(74, 127, 154, 0.08);
    --brand-soft-2: rgba(74, 127, 154, 0.14);
    --accent: #c8945a;
    --accent-soft: rgba(200, 148, 90, 0.12);
    --bg: #f8fafc;
    --bg-white: #ffffff;
    --bg-dark: #1f2a36;
    --text: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --border: rgba(74, 127, 154, 0.15);
    --border-dark: rgba(74, 127, 154, 0.3);
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-xs: 0 1px 2px rgba(74, 127, 154, 0.05), 0 1px 4px rgba(74, 127, 154, 0.07);
    --shadow-md: 0 8px 24px rgba(74, 127, 154, 0.12);
    --shadow-lg: 0 16px 40px rgba(74, 127, 154, 0.16);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; height: auto; display: block; }
  a { color: var(--brand); text-decoration: none; transition: color .2s ease; }
  button { font-family: inherit; cursor: pointer; }
  ul, ol { list-style-position: outside; }
  .wrap {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  /* ====== 悬浮胶囊导航 ====== */
  .site-header {
    position: fixed;
    top: 16px;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 24px;
  }
  .site-header.scrolled .nav-capsule {
    padding-top: 8px;
    padding-bottom: 8px;
    box-shadow: 0 10px 36px rgba(74, 127, 154, 0.18);
  }
  .nav-capsule {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 12px 20px 12px 24px;
    box-shadow: 0 4px 20px rgba(74, 127, 154, 0.1);
    transition: padding .3s ease, box-shadow .3s ease;
  }
  .nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
    letter-spacing: -0.01em;
  }
  .nav-logo i { color: var(--brand); font-size: 22px; }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
  }
  .nav-links a {
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    transition: all .2s ease;
  }
  .nav-links a:hover {
    background: var(--brand-soft);
    color: var(--brand);
  }
  .nav-links a.active {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 4px 12px rgba(74, 127, 154, 0.25);
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--brand);
    color: #fff;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    transition: all .2s ease;
  }
  .btn-primary:hover {
    background: var(--brand-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(74, 127, 154, 0.3);
  }
  .btn-primary:active {
    transform: translateY(0);
  }
  .btn-primary:focus-visible,
  .btn-secondary:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: 999px;
  }
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #fff;
    color: var(--brand);
    border: 1px solid var(--border-dark);
    border-radius: 999px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    transition: all .2s ease;
  }
  .btn-secondary:hover {
    background: var(--brand-soft);
    border-color: var(--brand);
    transform: translateY(-2px);
  }
  .btn-lg {
    padding: 14px 36px;
    font-size: 16px;
  }
  .nav-cta { flex-shrink: 0; }
  .nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 999px;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    color: var(--text);
    font-size: 16px;
    transition: all .2s ease;
  }
  .nav-toggle:hover {
    background: var(--brand-soft);
    border-color: var(--brand);
    color: var(--brand);
  }
  /* ====== 文章标题区 ====== */
  .article-hero {
    padding: 160px 0 52px;
    background: linear-gradient(180deg, var(--brand-soft-2), rgba(248, 250, 252, 0) 100%);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
  }
  .article-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand), rgba(74, 127, 154, 0.1) 80%, transparent);
    opacity: 0.5;
  }
  .article-hero::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 127, 154, 0.08), transparent 70%);
    pointer-events: none;
  }
  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 22px;
    position: relative;
    z-index: 1;
  }
  .breadcrumb i {
    font-size: 10px;
    color: var(--text-lighter);
  }
  .breadcrumb a { color: var(--text-light); }
  .breadcrumb a:hover { color: var(--brand); }
  .breadcrumb .current {
    color: var(--text);
    font-weight: 500;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .article-hero h1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--text);
    max-width: 960px;
    position: relative;
    z-index: 1;
  }
  .article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 20px;
    position: relative;
    z-index: 1;
  }
  .badge {
    display: inline-flex;
    align-items: center;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    border: 1px solid transparent;
  }
  .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-light);
  }
  .meta-item i { color: var(--brand); opacity: 0.7; }
  /* ====== 正文阅读区 ====== */
  .article-content-section {
    padding: 56px 0 72px;
  }
  .article-layout {
    max-width: 820px;
    margin: 0 auto;
  }
  .article-body {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text);
  }
  .article-body p {
    margin-bottom: 1.6em;
  }
  .article-body h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 2em 0 0.9em;
    padding-left: 16px;
    position: relative;
    line-height: 1.4;
    letter-spacing: -0.01em;
  }
  .article-body h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.3em;
    width: 4px;
    height: 0.9em;
    background: var(--brand);
    border-radius: 2px;
  }
  .article-body h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 1.6em 0 0.7em;
    color: var(--text);
  }
  .article-body img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin: 28px auto;
  }
  .article-body ul,
  .article-body ol {
    margin: 0 0 1.6em;
    padding-left: 1.6em;
  }
  .article-body li {
    margin-bottom: 0.5em;
  }
  .article-body blockquote {
    border-left: 4px solid var(--brand);
    background: var(--brand-soft);
    padding: 18px 24px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1.8em 0;
    color: var(--text);
    font-style: normal;
  }
  .article-body a {
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: var(--border-dark);
  }
  .article-body a:hover {
    color: var(--brand-dark);
  }
  .article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.8em 0;
    font-size: 14px;
  }
  .article-body th,
  .article-body td {
    border: 1px solid var(--border);
    padding: 10px 16px;
    text-align: left;
  }
  .article-body th {
    background: var(--brand-soft);
    font-weight: 600;
  }
  .article-body code {
    background: var(--brand-soft);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 0.9em;
    font-family: "SFMono-Regular", Consolas, monospace;
  }
  .article-body pre {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    overflow-x: auto;
    margin: 1.8em 0;
    font-size: 14px;
    line-height: 1.7;
  }
  .article-body pre code {
    background: none;
    padding: 0;
    color: inherit;
  }
  .back-link {
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
  }
  .link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand);
    font-weight: 600;
    font-size: 14px;
    transition: all .2s ease;
  }
  .link-arrow i {
    transition: transform .2s ease;
  }
  .link-arrow:hover {
    color: var(--brand-dark);
  }
  .link-arrow:hover i {
    transform: translateX(-4px);
  }
  /* ====== 相关推荐区 ====== */
  .related-section {
    padding: 64px 0;
    background: var(--bg-white);
    border-top: 1px solid var(--border);
  }
  .section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 36px;
  }
  .section-head h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
  }
  .link-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    transition: color .2s ease;
  }
  .link-more i {
    transition: transform .2s ease;
  }
  .link-more:hover {
    color: var(--brand-dark);
  }
  .link-more:hover i {
    transform: translateX(4px);
  }
  .related-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .related-card {
    display: block;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all .25s ease;
  }
  .related-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--border-dark);
  }
  .related-card .badge {
    margin-bottom: 14px;
    background: var(--brand-soft);
  }
  .related-card h4 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.55;
    color: var(--text);
    margin-bottom: 10px;
    transition: color .2s ease;
  }
  .related-card:hover h4 {
    color: var(--brand);
  }
  .related-card .date {
    font-size: 12px;
    color: var(--text-lighter);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  /* ====== CTA 报名区 ====== */
  .cta-section {
    padding: 80px 0;
  }
  .cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    background: linear-gradient(135deg, var(--brand-soft), rgba(200, 148, 90, 0.06));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 52px 56px;
    position: relative;
    overflow: hidden;
  }
  .cta-card::before {
    content: "";
    position: absolute;
    right: -60px;
    top: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 127, 154, 0.12), transparent 70%);
  }
  .cta-text {
    position: relative;
    z-index: 1;
  }
  .cta-text h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
    line-height: 1.3;
  }
  .cta-text p {
    font-size: 15px;
    color: var(--text-light);
  }
  /* ====== 内容未找到 ====== */
  .not-found-section {
    padding: 180px 0 120px;
    min-height: 60vh;
    display: flex;
    align-items: center;
  }
  .not-found-card {
    max-width: 520px;
    margin: 0 auto;
    text-align: center;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    box-shadow: var(--shadow-md);
  }
  .not-found-card > i {
    font-size: 52px;
    color: var(--brand);
    opacity: 0.5;
    margin-bottom: 20px;
  }
  .not-found-card h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
  }
  .not-found-card p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 28px;
  }
  /* ====== 页脚 ====== */
  .site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.72);
    padding-top: 64px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
  }
  .footer-brand .footer-logo {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .footer-brand .footer-logo i { color: rgba(255, 255, 255, 0.6); }
  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.85;
    max-width: 340px;
  }
  .footer-social {
    display: flex;
    gap: 12px;
    margin-top: 18px;
  }
  .footer-social a {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: all .2s ease;
  }
  .footer-social a:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    transform: translateY(-2px);
  }
  .footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
  }
  .footer-col a {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    padding: 6px 0;
    transition: all .2s ease;
  }
  .footer-col a:hover {
    color: #fff;
    padding-left: 4px;
  }
  .footer-col p {
    font-size: 13px;
    line-height: 1.8;
    opacity: 0.75;
    margin-bottom: 8px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
  }
  .footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
  }
  /* ====== 返回顶部 ====== */
  .back-top {
    position: fixed;
    right: 28px;
    bottom: 36px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 8px 24px rgba(74, 127, 154, 0.32);
    opacity: 0;
    visibility: hidden;
    transform: translateY(14px);
    transition: all .3s ease;
    z-index: 90;
  }
  .back-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .back-top:hover {
    background: var(--brand-dark);
    transform: translateY(-2px);
  }
  /* ====== 响应式 ====== */
  @media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .related-grid { grid-template-columns: 1fr 1fr; }
    .article-hero h1 { font-size: 32px; }
    .cta-card { padding: 44px 36px; }
  }
  @media (max-width: 768px) {
    .site-header { top: 12px; padding: 0 16px; }
    .nav-capsule { padding: 10px 16px; border-radius: 20px; gap: 10px; }
    .nav-links {
      display: none;
      position: absolute;
      top: calc(100% + 12px);
      left: 0;
      right: 0;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 14px;
      flex-direction: column;
      align-items: stretch;
      box-shadow: var(--shadow-lg);
      gap: 2px;
    }
    .nav-links.open { display: flex; }
    .nav-links a {
      padding: 12px 16px;
      border-radius: 12px;
      font-size: 15px;
    }
    .nav-links a.active {
      background: var(--brand-soft);
      color: var(--brand);
      box-shadow: none;
    }
    .nav-links a:hover {
      background: var(--brand-soft);
      color: var(--brand);
    }
    .nav-cta { display: none; }
    .nav-toggle {
      display: inline-flex;
    }
    .wrap { padding-left: 16px; padding-right: 16px; }
    .article-hero { padding: 140px 0 38px; }
    .article-hero h1 { font-size: 26px; }
    .breadcrumb { font-size: 12px; }
    .breadcrumb .current { max-width: 220px; }
    .article-content-section { padding: 40px 0 56px; }
    .article-layout { max-width: 100%; }
    .article-body { font-size: 15px; line-height: 1.85; }
    .article-body h2 { font-size: 20px; }
    .article-body h3 { font-size: 17px; }
    .related-section { padding: 48px 0 56px; }
    .section-head h2 { font-size: 24px; }
    .related-grid { grid-template-columns: 1fr; }
    .cta-section { padding: 48px 0; }
    .cta-card {
      flex-direction: column;
      text-align: center;
      padding: 36px 24px;
    }
    .cta-text h2 { font-size: 22px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: 1 / -1; }
    .back-top { right: 16px; bottom: 24px; width: 42px; height: 42px; }
    .not-found-section { padding: 140px 16px 80px; }
  }
  @media (max-width: 520px) {
    .wrap { padding-left: 12px; padding-right: 12px; }
    .nav-logo { font-size: 17px; gap: 8px; }
    .nav-logo i { font-size: 19px; }
    .article-hero h1 { font-size: 22px; }
    .article-meta { gap: 10px; }
    .meta-item { font-size: 12px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
    .cta-text h2 { font-size: 20px; }
    .cta-text p { font-size: 13px; }
    .related-card { padding: 22px; }
    .related-card h4 { font-size: 15px; }
    .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  }

/* roulang page: category2 */
:root {
  --brand: #4a7f9a;
  --brand-dark: #3c6a83;
  --brand-soft: rgba(74,127,154,0.12);
  --gold: #c9a96a;
  --bg: #f6f8fa;
  --text: #1e293b;
  --text-light: #64748b;
  --border: rgba(74,127,154,0.18);
  --shadow-xs: 0 2px 8px rgba(74,127,154,0.08);
  --shadow-md: 0 8px 24px rgba(74,127,154,0.14);
  --shadow-lg: 0 16px 40px rgba(74,127,154,0.18);
  --radius: 20px;
  --radius-sm: 12px;
}
* { 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", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-light { background: #fff; }
.section-dark { background: #1f2a36; color: rgba(255,255,255,0.92); }
.text-brand { color: var(--brand); }
.text-light { color: var(--text-light); }
.text-gold { color: var(--gold); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-weight: 600; border-radius: 999px;
  transition: all .25s ease; line-height: 1.4; white-space: nowrap;
}
.btn-primary {
  background: var(--brand); color: #fff; padding: 12px 28px; border: 2px solid var(--brand);
}
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 2px solid var(--brand-dark); outline-offset: 2px; }
.btn-outline {
  background: #fff; color: var(--brand); padding: 12px 28px; border: 2px solid var(--brand);
}
.btn-outline:hover { background: var(--brand-soft); border-color: var(--brand-dark); color: var(--brand-dark); transform: translateY(-2px); }
.btn-outline:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.btn-ghost {
  background: rgba(255,255,255,0.15); color: #fff; padding: 12px 28px; border: 2px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover { background: rgba(255,255,255,0.3); border-color: rgba(255,255,255,0.6); }
.btn-small { padding: 8px 20px; font-size: 14px; }

/* ===== 悬浮胶囊导航 ===== */
.site-header {
  position: sticky; top: 16px; z-index: 100;
  padding: 0 20px;
  margin-top: 12px;
}
.site-header .nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1280px; margin: 0 auto;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 999px;
  padding: 10px 12px 10px 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.6);
  transition: padding .3s ease, box-shadow .3s ease;
}
.site-header.scrolled .nav-wrap { padding: 7px 12px 7px 20px; box-shadow: 0 8px 32px rgba(74,127,154,0.2); }
.logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 20px; color: var(--text); letter-spacing: -0.02em;
}
.logo i { color: var(--brand); font-size: 22px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 14px; border-radius: 999px; font-size: 15px; font-weight: 500;
  color: var(--text-light); transition: all .2s ease;
}
.nav-links a:hover { color: var(--brand); background: var(--brand-soft); }
.nav-links a.active { color: var(--brand); background: var(--brand-soft); font-weight: 600; }
.nav-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--text); padding: 6px 10px; border-radius: 8px; }
.nav-toggle:hover { background: var(--brand-soft); }

/* ===== 页头区 ===== */
.page-hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 110px 0 90px;
  overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(110deg, rgba(31,42,54,0.82) 0%, rgba(74,127,154,0.55) 100%);
}
.page-hero .hero-inner { position: relative; z-index: 2; }
.page-hero h1 {
  color: #fff; font-size: 44px; font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 12px;
}
.page-hero .subtitle { color: rgba(255,255,255,0.92); font-size: 18px; max-width: 600px; margin-bottom: 28px; }
.hero-stats { display: flex; gap: 0; flex-wrap: wrap; margin-top: 28px; }
.hero-stats .stat {
  padding: 16px 32px; text-align: center; background: rgba(255,255,255,0.1); border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.18); backdrop-filter: blur(4px);
}
.hero-stats .stat + .stat { border-left: 1px solid rgba(255,255,255,0.1); }
.hero-stats .num { font-size: 30px; font-weight: 700; color: #fff; line-height: 1.2; }
.hero-stats .label { font-size: 13px; color: rgba(255,255,255,0.75); }

/* ===== 卡片 ===== */
.card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-xs);
  border: 1px solid var(--border); transition: all .3s ease; overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-body { padding: 24px; }
.card-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.card-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ===== 嘉宾构成 ===== */
.type-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.type-card {
  background: #fff; border-radius: var(--radius); padding: 28px 24px;
  border: 1px solid var(--border); box-shadow: var(--shadow-xs); transition: all .3s ease;
}
.type-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--brand); }
.type-card .icon {
  width: 52px; height: 52px; border-radius: 16px; background: var(--brand-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  color: var(--brand); font-size: 22px;
}
.type-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.type-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ===== 嘉宾列表 ===== */
.guest-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.guest-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-xs); border: 1px solid var(--border);
  transition: all .3s ease;
}
.guest-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.guest-img {
  height: 200px; background-size: cover; background-position: center; position: relative;
}
.guest-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(31,42,54,0.55) 100%);
}
.guest-tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: rgba(255,255,255,0.9); color: var(--brand); font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px;
}
.guest-info { padding: 20px 22px 22px; }
.guest-info .name { font-size: 18px; font-weight: 600; }
.guest-info .role { font-size: 13px; color: var(--brand); margin: 4px 0 8px; font-weight: 500; }
.guest-info .intro { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ===== 适用人群 ===== */
.audience-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.audience-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.audience-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 0; border-bottom: 1px solid var(--border);
}
.audience-list li:last-child { border-bottom: none; }
.audience-list .dot {
  flex-shrink: 0; width: 8px; height: 8px; border-radius: 50%;
  background: var(--brand); margin-top: 10px;
}
.audience-list h4 { font-size: 16px; font-weight: 600; }
.audience-list p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* ===== 流程 ===== */
.steps-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step-card {
  background: #fff; border-radius: var(--radius); padding: 28px 24px;
  border: 1px solid var(--border); position: relative; transition: all .3s ease;
}
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num {
  font-size: 36px; font-weight: 800; color: var(--brand-soft);
  line-height: 1; margin-bottom: 12px; -webkit-text-stroke: 1px var(--brand);
  color: transparent;
}
.step-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.step-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: #fff; border-radius: 16px; border: 1px solid var(--border);
  margin-bottom: 14px; overflow: hidden; transition: box-shadow .3s;
}
.faq-item:hover { box-shadow: var(--shadow-xs); }
.faq-q {
  padding: 18px 24px; font-size: 16px; font-weight: 600;
  display: flex; justify-content: space-between; align-items: center; cursor: pointer;
}
.faq-q .icon { color: var(--brand); font-size: 18px; transition: transform .3s; flex-shrink: 0; }
.faq-item.active .faq-q .icon { transform: rotate(45deg); }
.faq-a {
  padding: 0 24px; max-height: 0; overflow: hidden;
  font-size: 14px; color: var(--text-light); line-height: 1.8;
  transition: max-height .3s ease, padding .3s ease;
}
.faq-item.active .faq-a { padding: 0 24px 18px; max-height: 500px; }

/* ===== CTA ===== */
.cta-section {
  position: relative; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 80px 0; text-align: center;
}
.cta-section .overlay {
  position: absolute; inset: 0; background: rgba(31,42,54,0.75);
}
.cta-section .cta-inner { position: relative; z-index: 2; }
.cta-section h2 { color: #fff; font-size: 34px; font-weight: 700; margin-bottom: 10px; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 16px; max-width: 560px; margin: 0 auto 28px; }
.cta-section .btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-note { color: rgba(255,255,255,0.6); font-size: 13px; margin-top: 18px; }

/* ===== 页脚 ===== */
.site-footer { background: #1f2a36; color: rgba(255,255,255,0.85); }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  padding: 60px 0 40px;
}
.footer-logo { font-size: 22px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo i { color: var(--brand); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.65); max-width: 320px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7);
  transition: all .25s;
}
.footer-social a:hover { background: var(--brand); color: #fff; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.65); font-size: 14px; padding: 4px 0; transition: color .2s; }
.footer-col a:hover { color: var(--brand); }
.footer-col p { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.8; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0; background: rgba(0,0,0,0.15);
}
.footer-bottom .container {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: rgba(255,255,255,0.45);
  flex-wrap: wrap; gap: 8px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .type-grid { grid-template-columns: repeat(2, 1fr); }
  .guest-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-wrap { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .nav-links {
    display: none; flex-direction: column; position: absolute; top: 60px; left: 12px; right: 12px;
    background: rgba(255,255,255,0.95); backdrop-filter: blur(16px);
    border-radius: 20px; padding: 16px; box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; border-bottom: 1px solid var(--border); border-radius: 10px; }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a.active { color: var(--brand); background: var(--brand-soft); }
  .nav-toggle { display: block; }
  .site-header .nav-wrap { border-radius: 999px; }
  .page-hero { padding: 80px 0 64px; }
  .page-hero h1 { font-size: 34px; }
  .page-hero .subtitle { font-size: 16px; }
  .hero-stats { gap: 12px; }
  .hero-stats .stat { padding: 12px 20px; }
  .hero-stats .num { font-size: 24px; }
  .audience-wrap { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .type-grid { grid-template-columns: 1fr; }
  .guest-grid { grid-template-columns: 1fr; }
  .steps-wrap { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 28px; }
  .hero-stats { flex-direction: column; }
  .hero-stats .stat { border-left: none !important; border-top: 1px solid rgba(255,255,255,0.1); }
  .cta-section h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; padding: 40px 0 28px; }
}

/* roulang page: category3 */
:root {
    --brand: #4a7f9a;
    --brand-dark: #3c6a83;
    --brand-soft: rgba(74, 127, 154, 0.1);
    --brand-border: rgba(74, 127, 154, 0.15);
    --accent: #c9a876;
    --accent-soft: rgba(201, 168, 118, 0.16);
    --bg: #f8fafc;
    --bg-alt: #eef2f5;
    --text: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --navy: #1f2a36;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-xs: 0 2px 8px rgba(74, 127, 154, 0.08);
    --shadow-md: 0 8px 28px rgba(74, 127, 154, 0.12);
    --shadow-lg: 0 16px 44px rgba(74, 127, 154, 0.16);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; height: auto; display: block; }
  a { color: inherit; text-decoration: none; transition: color .25s ease; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }
  input, select, textarea { font-family: inherit; }
  ul, ol { list-style: none; }
  ::selection { background: var(--brand-soft); color: var(--brand-dark); }

  .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
  .section { padding: 80px 0; }
  .section-alt { background: var(--bg-alt); }
  .section-head { text-align: center; max-width: 700px; margin: 0 auto 56px; }
  .section-head h2 { font-size: 32px; font-weight: 600; color: var(--text); margin-bottom: 12px; letter-spacing: -0.02em; }
  .section-head p { font-size: 16px; color: var(--text-light); }

  /* 悬浮胶囊导航 */
  .site-header {
    position: sticky;
    top: 16px;
    z-index: 100;
    padding: 0 24px;
    pointer-events: none;
  }
  .nav-container {
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.74);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 999px;
    padding: 12px 20px 12px 24px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--shadow-lg);
    transition: padding .3s ease, box-shadow .3s ease;
  }
  .site-header.scrolled .nav-container { padding-top: 8px; padding-bottom: 8px; box-shadow: var(--shadow-lg); }
  .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); white-space: nowrap; }
  .brand i { color: var(--brand); font-size: 22px; }
  .brand:hover { color: var(--brand); }
  .nav-links { display: flex; align-items: center; gap: 2px; }
  .nav-links a {
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-light);
    transition: all .25s ease;
    white-space: nowrap;
  }
  .nav-links a:hover { color: var(--brand); background: var(--brand-soft); }
  .nav-links a.active { color: var(--brand); background: var(--brand-soft); font-weight: 600; }
  .nav-cta { margin-left: 12px; white-space: nowrap; }
  .menu-toggle { display: none; width: 42px; height: 42px; border-radius: 12px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; background: var(--brand-soft); }
  .menu-toggle span { display: block; width: 18px; height: 2px; background: var(--brand); border-radius: 2px; transition: all .3s ease; }
  .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 84px;
    left: 24px;
    right: 24px;
    z-index: 99;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    border: 1px solid var(--brand-border);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: all .3s ease;
  }
  .mobile-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .mobile-menu a {
    display: block;
    padding: 14px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid rgba(74, 127, 154, 0.08);
  }
  .mobile-menu a:last-child { border-bottom: none; }
  .mobile-menu a.active { color: var(--brand); background: var(--brand-soft); border-radius: 12px; }
  .mobile-menu .btn { margin-top: 12px; width: 100%; justify-content: center; }

  /* 按钮 */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    transition: all .25s ease;
    border: 2px solid transparent;
  }
  .btn-primary { background: var(--brand); color: #fff; }
  .btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(74, 127, 154, 0.25); }
  .btn-primary:active { transform: translateY(0); }
  .btn-outline { background: #fff; color: var(--brand); border-color: var(--brand); }
  .btn-outline:hover { background: var(--brand-soft); border-color: var(--brand-dark); color: var(--brand-dark); }
  .btn-outline:active { transform: translateY(0); }
  .btn-light { background: rgba(255, 255, 255, 0.92); color: var(--brand-dark); }
  .btn-light:hover { background: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
  .btn-ghost { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: rgba(255, 255, 255, 0.5); }
  .btn-ghost:hover { background: rgba(255, 255, 255, 0.28); transform: translateY(-2px); }
  .btn-lg { padding: 16px 44px; font-size: 16px; }

  /* 页头 */
  .page-hero {
    position: relative;
    min-height: 460px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    margin: 0 24px;
    border-radius: 28px;
    overflow: hidden;
    margin-top: 16px;
  }
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(31, 42, 54, 0.82) 20%, rgba(74, 127, 154, 0.55) 100%);
  }
  .page-hero .container { position: relative; z-index: 2; padding: 80px 40px; }
  .page-breadcrumb { font-size: 14px; color: rgba(255, 255, 255, 0.75); margin-bottom: 20px; display: flex; gap: 8px; flex-wrap: wrap; }
  .page-breadcrumb a { color: rgba(255, 255, 255, 0.85); }
  .page-breadcrumb a:hover { color: #fff; text-decoration: underline; }
  .page-breadcrumb span { color: rgba(255, 255, 255, 0.6); }
  .page-hero h1 { font-size: 48px; font-weight: 700; color: #fff; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 16px; }
  .page-hero-desc { font-size: 17px; color: rgba(255, 255, 255, 0.9); max-width: 620px; line-height: 1.8; margin-bottom: 32px; }
  .page-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
  .page-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13px;
    margin-bottom: 18px;
  }

  /* 数据带 */
  .stats-bar { border-bottom: 1px solid var(--brand-border); background: #fff; }
  .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
  .stat-item { text-align: center; padding: 36px 20px; border-right: 1px solid var(--brand-border); }
  .stat-item:last-child { border-right: none; }
  .stat-num { font-size: 42px; font-weight: 700; color: var(--brand); line-height: 1.1; }
  .stat-label { font-size: 14px; color: var(--text-light); margin-top: 8px; }

  /* 流程 */
  .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .process-item {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-xs);
    border: 1px solid rgba(74, 127, 154, 0.06);
    transition: all .3s ease;
  }
  .process-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
  .process-num {
    display: inline-flex;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 18px;
    font-weight: 700;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
  }
  .process-item h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
  .process-item p { font-size: 15px; color: var(--text-light); line-height: 1.7; }
  .process-arrow { position: absolute; top: 40px; right: -18px; color: var(--brand); opacity: 0.4; font-size: 16px; z-index: 2; }

  /* 票种 */
  .ticket-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; align-items: stretch; max-width: 1050px; margin: 0 auto; }
  .ticket-card {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-xs);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    transition: all .3s ease;
  }
  .ticket-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
  .ticket-card.hot { border-color: var(--brand); box-shadow: var(--shadow-md); }
  .ticket-tag {
    position: absolute;
    top: -14px;
    right: 28px;
    background: var(--accent);
    color: #fff;
    padding: 6px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(201, 168, 118, 0.3);
  }
  .ticket-name { font-size: 18px; font-weight: 600; color: var(--text-light); margin-bottom: 8px; }
  .ticket-price { font-size: 46px; font-weight: 700; color: var(--text); line-height: 1.1; margin-bottom: 6px; }
  .ticket-price small { font-size: 16px; font-weight: 500; color: var(--text-muted); }
  .ticket-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
  .ticket-perks { flex: 1; margin-bottom: 28px; }
  .ticket-perks li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
    color: var(--text);
    padding: 8px 0;
    border-bottom: 1px solid rgba(74, 127, 154, 0.07);
  }
  .ticket-perks li:last-child { border-bottom: none; }
  .ticket-perks i { color: var(--brand); margin-top: 4px; font-size: 14px; flex-shrink: 0; }
  .ticket-card .btn { width: 100%; }

  /* 指南卡片 */
  .guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .guide-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    border: 1px solid rgba(74, 127, 154, 0.06);
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
  }
  .guide-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
  .guide-img { height: 200px; overflow: hidden; background: var(--brand-soft); }
  .guide-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
  .guide-card:hover .guide-img img { transform: scale(1.04); }
  .guide-body { padding: 28px; flex: 1; }
  .guide-body h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
  .guide-body p { font-size: 15px; color: var(--text-light); line-height: 1.7; }
  .guide-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: var(--brand); font-weight: 600; font-size: 15px; }
  .guide-link:hover { color: var(--brand-dark); }
  .guide-link i { transition: transform .25s ease; }
  .guide-link:hover i { transform: translateX(4px); }

  /* FAQ */
  .faq-wrap { max-width: 860px; margin: 0 auto; }
  .faq-item {
    background: #fff;
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    box-shadow: var(--shadow-xs);
    border: 1px solid rgba(74, 127, 154, 0.08);
    overflow: hidden;
    transition: box-shadow .3s ease;
  }
  .faq-item.active { box-shadow: var(--shadow-md); border-color: var(--brand-border); }
  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 26px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    transition: color .25s ease;
  }
  .faq-question:hover { color: var(--brand); }
  .faq-icon { position: relative; width: 24px; height: 24px; flex-shrink: 0; }
  .faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background: var(--brand);
    border-radius: 2px;
    transition: all .3s ease;
  }
  .faq-icon::before { top: 11px; left: 4px; width: 16px; height: 2px; }
  .faq-icon::after { top: 4px; left: 11px; width: 2px; height: 16px; }
  .faq-item.active .faq-icon::after { transform: scaleY(0); }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
    padding: 0 26px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
  }
  .faq-item.active .faq-answer { max-height: 300px; padding: 0 26px 24px; }

  /* CTA */
  .cta-section {
    position: relative;
    background-size: cover;
    background-position: center;
    border-radius: 28px;
    margin: 0 24px 80px;
    overflow: hidden;
  }
  .cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(31, 42, 54, 0.72); }
  .cta-container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding: 64px 56px; }
  .cta-content { max-width: 600px; }
  .cta-content h2 { font-size: 32px; font-weight: 700; color: #fff; margin-bottom: 10px; }
  .cta-content p { font-size: 16px; color: rgba(255, 255, 255, 0.85); line-height: 1.7; }
  .cta-note { font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-top: 12px; }

  /* 页脚 */
  .site-footer { background: var(--navy); color: rgba(255, 255, 255, 0.85); padding-top: 72px; }
  .footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 1fr; gap: 48px; padding-bottom: 56px; }
  .footer-logo { font-size: 24px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
  .footer-logo i { color: var(--accent); }
  .footer-brand p { font-size: 15px; line-height: 1.75; color: rgba(255, 255, 255, 0.7); margin-bottom: 20px; }
  .footer-social { display: flex; gap: 10px; }
  .footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: all .25s ease;
  }
  .footer-social a:hover { background: var(--brand); transform: translateY(-2px); }
  .footer-col h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 20px; }
  .footer-col a { display: block; font-size: 15px; color: rgba(255, 255, 255, 0.7); padding: 6px 0; transition: all .25s ease; }
  .footer-col a:hover { color: #fff; padding-left: 4px; }
  .footer-col p { font-size: 15px; color: rgba(255, 255, 255, 0.7); line-height: 1.8; }
  .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 24px 0; background: rgba(0, 0, 0, 0.2); }
  .footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, 0.5); text-align: center; }

  /* 响应式 */
  @media (max-width: 1024px) {
    .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .process-arrow { display: none; }
    .ticket-grid { gap: 20px; padding: 0 10px; }
    .ticket-card { padding: 32px 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .cta-container { padding: 48px 32px; flex-direction: column; align-items: flex-start; }
  }
  @media (max-width: 768px) {
    .container { padding: 0 16px; }
    .section { padding: 56px 0; }
    .section-head { margin-bottom: 36px; }
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .menu-toggle { display: flex; }
    .mobile-menu { display: block; }
    .page-hero { margin: 0 12px; min-height: 420px; border-radius: 20px; }
    .page-hero .container { padding: 56px 24px; }
    .page-hero h1 { font-size: 34px; }
    .page-hero-desc { font-size: 16px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item { padding: 24px 12px; border-bottom: 1px solid var(--brand-border); }
    .stat-item:nth-child(2) { border-right: none; }
    .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; }
    .stat-num { font-size: 32px; }
    .ticket-grid { grid-template-columns: 1fr; max-width: 420px; }
    .ticket-card.hot { order: -1; }
    .guide-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; max-width: 420px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-section { margin: 0 12px 48px; border-radius: 20px; }
    .cta-container { padding: 40px 24px; }
    .cta-content h2 { font-size: 26px; }
  }
  @media (max-width: 520px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item { padding: 18px 10px; }
    .page-hero-actions .btn { padding: 12px 24px; font-size: 14px; }
    .section-head h2 { font-size: 26px; }
  }