/* roulang page: index */
:root {
  --color-primary: #1B5C3E;
  --color-primary-dark: #13452E;
  --color-primary-light: rgba(27, 92, 62, 0.08);
  --color-accent: #D7FF3E;
  --color-accent-dark: #b8e62e;
  --color-bg: #F6F3EC;
  --color-surface: #FFFFFF;
  --color-text: #16231B;
  --color-text-secondary: #5E6E63;
  --color-border: #E4DECD;
  --color-orange: #FF6B35;
  --radius-card: 14px;
  --radius-btn: 999px;
  --radius-ticket: 18px;
  --radius-img: 12px;
  --shadow-default: 0 4px 16px rgba(22, 35, 27, .08);
  --shadow-hover: 0 10px 28px rgba(22, 35, 27, .14);
  --container-max: 1160px;
  --transition: 0.25s ease;
  --font-title: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; position: relative; }
h1, h2, h3, h4 { font-family: var(--font-title); line-height: 1.2; color: var(--color-text); font-weight: 700; }
h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); font-weight: 900; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 800; margin-bottom: 12px; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { line-height: 1.75; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head p { color: var(--color-text-secondary); font-size: 1.0625rem; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  border: 2px solid var(--color-accent);
  transition: all var(--transition);
  min-height: 44px;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-default); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  border: 2px solid var(--color-primary);
  transition: all var(--transition);
  min-height: 44px;
  line-height: 1;
  white-space: nowrap;
}
.btn-outline:hover { background: var(--color-primary-light); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline:active { transform: translateY(0); }
.btn-lg { padding: 16px 40px; font-size: 1.0625rem; }
.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-block { width: 100%; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-btn);
  line-height: 1.4;
}
.tag-accent { background: var(--color-accent); color: var(--color-text); }
.tag-orange { background: rgba(255, 107, 53, 0.12); color: var(--color-orange); }

/* ============ 悬浮胶囊导航 ============ */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 20px;
}
.nav-capsule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(27, 92, 62, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-btn);
  padding: 8px 20px;
  box-shadow: 0 8px 32px rgba(22, 35, 27, 0.18);
  width: 100%;
  max-width: 1080px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--color-accent);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.logo:hover { color: var(--color-accent); }
.logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  position: relative;
  box-shadow: 0 0 0 4px rgba(215, 255, 62, 0.25);
}
.logo-icon::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 20px;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover {
  background: rgba(215, 255, 62, 0.18);
  color: var(--color-accent);
}
.nav-link.active {
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 700;
}
.nav-cta {
  margin-left: 8px;
  padding: 10px 24px;
  font-size: 0.9375rem;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-accent);
  font-size: 1.5rem;
  line-height: 1;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ============ Hero ============ */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 0 80px;
  background: linear-gradient(135deg, rgba(22, 35, 27, 0.82) 0%, rgba(27, 92, 62, 0.55) 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  z-index: -1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.hero-badge {
  display: inline-block;
  background: rgba(215, 255, 62, 0.12);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-btn);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}
.hero h1 {
  color: #fff;
  margin-bottom: 24px;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.15;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}
.hero-sub {
  font-size: clamp(1.0625rem, 2vw, 1.375rem);
  color: rgba(255, 255, 255, 0.92);
  max-width: 620px;
  margin-bottom: 40px;
  font-weight: 400;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.hero-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}
.scroll-indicator {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8125rem;
  margin-top: 60px;
  transition: color var(--transition);
  gap: 4px;
}
.scroll-indicator:hover { color: var(--color-accent); }
.scroll-arrow {
  width: 28px;
  height: 28px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); }
  50% { transform: rotate(45deg) translate(4px, 4px); }
}

/* ============ 议程时间线 ============ */
.agenda { background: var(--color-bg); }
.agenda-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}
.agenda-item {
  position: relative;
  padding: 32px 24px 24px;
  text-align: center;
  transition: background var(--transition);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  margin: 0 8px;
  box-shadow: var(--shadow-default);
}
.agenda-item::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -16px;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  opacity: 0.3;
}
.agenda-item:last-child::after { display: none; }
.agenda-date {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 16px;
}
.agenda-day {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.agenda-month {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}
.agenda-time {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 2px 12px;
  border-radius: var(--radius-btn);
  margin-bottom: 12px;
}
.agenda-item h3 { margin-bottom: 8px; }
.agenda-loc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}
.agenda-loc::before {
  content: "📍";
  font-size: 0.875rem;
}
.agenda-item p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}
.agenda-item.current {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-hover);
}
.agenda-item.current::after {
  content: "";
  position: absolute;
  top: -6px;
  left: -6px;
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(215, 255, 62, 0.2);
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(215, 255, 62, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(215, 255, 62, 0.1); }
}

/* ============ 嘉宾亮点 ============ */
.guests { background: var(--color-surface); }
.guests-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.guest-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-default);
}
.guest-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}
.guest-img-wrap {
  overflow: hidden;
  height: 260px;
}
.guest-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.guest-card:hover .guest-img-wrap img { transform: scale(1.05); }
.guest-card-body { padding: 24px; }
.guest-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.guest-name h3 { font-size: 1.375rem; }
.guest-bio { font-size: 0.875rem; color: var(--color-text-secondary); }

/* 亮点编号列表 */
.highlight-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}
.highlight-item {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
}
.highlight-num {
  font-family: var(--font-title);
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 12px;
  -webkit-text-stroke: 1px var(--color-primary);
}
.highlight-item h3 { font-size: 1.125rem; margin-bottom: 8px; }
.highlight-item p { font-size: 0.9375rem; color: var(--color-text-secondary); }

/* ============ 票种对比 ============ */
.tickets { background: var(--color-bg); }
.tickets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.ticket-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-ticket);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-default);
  transition: all var(--transition);
}
.ticket-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.ticket-card.hot {
  border: 2px solid var(--color-accent);
  box-shadow: 0 8px 32px rgba(215, 255, 62, 0.15);
}
.ticket-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--color-accent);
  color: var(--color-text);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 18px;
  border-bottom-left-radius: 14px;
  z-index: 2;
  letter-spacing: 0.03em;
}
.ticket-top {
  padding: 32px 28px 28px;
  border-bottom: 1px dashed var(--color-border);
  position: relative;
}
.ticket-top::before,
.ticket-top::after {
  content: "";
  position: absolute;
  bottom: -10px;
  width: 20px;
  height: 20px;
  background: var(--color-bg);
  border-radius: 50%;
  border: 1px solid var(--color-border);
}
.ticket-top::before { left: -10px; }
.ticket-top::after { right: -10px; }
.ticket-name { font-size: 1.125rem; font-weight: 700; color: var(--color-text); margin-bottom: 4px; }
.ticket-price {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.2;
  margin: 12px 0 16px;
  font-variant-numeric: tabular-nums;
}
.ticket-price small {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}
.ticket-features { list-style: none; }
.ticket-features li {
  padding: 6px 0;
  font-size: 0.9375rem;
  color: var(--color-text);
  display: flex;
  gap: 8px;
}
.ticket-features li::before {
  content: "含";
  flex-shrink: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.8125rem;
  background: var(--color-primary);
  border-radius: 4px;
  padding: 0 6px;
  line-height: 1.6;
  margin-top: 2px;
}
.ticket-bottom {
  padding: 20px 28px 28px;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
}
.ticket-bottom .btn-primary, .ticket-bottom .btn-outline { width: 100%; }
.ticket-barcode {
  border-top: 1px dashed var(--color-border);
  padding-top: 16px;
  text-align: center;
}
.barcode-placeholder {
  display: inline-block;
  width: 140px;
  height: 36px;
  background: repeating-linear-gradient(90deg, var(--color-text) 0, var(--color-text) 2px, transparent 2px, transparent 4px);
  opacity: 0.2;
  border-radius: 2px;
}
.ticket-note {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* ============ 报名 CTA ============ */
.register-cta {
  background: var(--color-primary);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.register-cta::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(215, 255, 62, 0.08);
}
.register-cta::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(215, 255, 62, 0.06);
}
.register-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.register-info h2 { color: var(--color-accent); margin-bottom: 16px; }
.register-info p { color: rgba(255, 255, 255, 0.88); font-size: 1.0625rem; margin-bottom: 12px; }
.register-info .note-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(215, 255, 62, 0.14);
  border: 1px solid rgba(215, 255, 62, 0.3);
  color: var(--color-accent);
  font-size: 0.875rem;
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  margin-top: 20px;
}
.register-form-card {
  background: var(--color-surface);
  border-radius: 18px;
  padding: 40px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg);
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 48px;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 92, 62, 0.12);
}
textarea.form-control { resize: vertical; min-height: 80px; }
.form-success {
  display: none;
  text-align: center;
  padding: 24px 0;
}
.form-success.show { display: block; }
.form-success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.75rem;
  color: var(--color-text);
  font-weight: 900;
  box-shadow: 0 0 0 8px rgba(215, 255, 62, 0.15);
}
.form-success p { color: var(--color-text); font-weight: 600; }
.form-hint {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 12px;
}

/* ============ FAQ ============ */
.faq-section { background: var(--color-surface); }
.faq-wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.faq-intro h2 { margin-bottom: 12px; }
.faq-intro p { color: var(--color-text-secondary); }
.faq-list { max-width: 680px; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--color-primary); }
.faq-item.open { border-color: var(--color-primary); }
.faq-q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  min-height: 56px;
}
.faq-q-num {
  color: var(--color-accent);
  font-weight: 900;
  font-size: 1.0625rem;
  background: var(--color-primary);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-title);
}
.faq-q-text { font-weight: 600; flex: 1; font-size: 1rem; }
.faq-icon {
  width: 24px;
  height: 24px;
  position: relative;
  flex-shrink: 0;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.25s ease;
}
.faq-icon::before { width: 16px; height: 2px; top: 11px; left: 4px; }
.faq-icon::after { width: 2px; height: 16px; top: 4px; left: 11px; }
.faq-item.open .faq-icon::after { transform: scaleY(0); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 24px;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-a p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding-left: 40px;
}

/* ============ 最新资讯 ============ */
.news-section { background: var(--color-bg); }
.news-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}
.news-header h2 { margin-bottom: 0; }
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9375rem;
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  transition: background var(--transition);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.news-more:hover { background: var(--color-primary-light); color: var(--color-primary); }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex;
  gap: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px;
  transition: all var(--transition);
  align-items: center;
}
.news-item:hover {
  background: rgba(27, 92, 62, 0.06);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
  transform: translateX(4px);
}
.news-date {
  flex-shrink: 0;
  text-align: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: 12px;
  padding: 12px 16px;
  min-width: 72px;
  align-self: flex-start;
}
.news-day { display: block; font-size: 1.75rem; font-weight: 900; line-height: 1; font-variant-numeric: tabular-nums; color: var(--color-accent); }
.news-month { display: block; font-size: 0.875rem; margin-top: 4px; opacity: 0.85; }
.news-body { flex: 1; }
.news-title {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: 8px;
  display: inline-block;
  line-height: 1.4;
}
.news-title:hover { color: var(--color-primary); }
.news-summary {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.news-time { font-size: 0.8125rem; color: var(--color-text-secondary); }
.empty-state {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-card);
  padding: 48px;
  text-align: center;
  background: var(--color-surface);
}
.empty-state p { color: var(--color-text-secondary); margin-bottom: 16px; font-size: 1rem; }

/* ============ 页脚 ============ */
.site-footer {
  background: var(--color-primary);
  border-top: 2px solid var(--color-accent);
  padding: 60px 0 24px;
  color: rgba(255, 255, 255, 0.85);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.footer-desc { font-size: 0.9375rem; color: rgba(255, 255, 255, 0.75); max-width: 300px; }
.footer-col h4 {
  color: var(--color-accent);
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 700;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
  transition: all var(--transition);
}
.footer-links a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-social { display: flex; gap: 10px; margin-top: 12px; }
.footer-social span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 0.9375rem;
  transition: background var(--transition);
}
.footer-social span:hover { background: var(--color-accent); color: var(--color-text); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 20px;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.55); }
.footer-bottom a:hover { color: var(--color-accent); }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .agenda-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .agenda-item { margin: 0 4px; }
  .agenda-item::after { display: none; }
  .highlight-list { gap: 16px; }
  .tickets-grid { gap: 16px; }
  .register-wrap { gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  section { padding: 60px 0; }
  .nav-capsule { flex-wrap: wrap; }
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0 4px;
    gap: 4px;
  }
  .nav-menu.open { display: flex; }
  .nav-link { text-align: center; padding: 12px; width: 100%; }
  .nav-cta { margin: 6px 0 0; width: 100%; justify-content: center; }
  .hero { padding: 100px 0 60px; min-height: 80vh; }
  .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; justify-content: center; }
  .agenda-grid { grid-template-columns: 1fr; gap: 24px; }
  .agenda-item { margin: 0; max-width: 480px; margin: 0 auto; }
  .agenda-item::after { display: none; }
  .guests-grid { grid-template-columns: 1fr; }
  .highlight-list { grid-template-columns: 1fr; gap: 8px; }
  .tickets-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .register-wrap { grid-template-columns: 1fr; }
  .register-form-card { padding: 28px 20px; }
  .faq-wrap { grid-template-columns: 1fr; gap: 32px; }
  .news-item { flex-direction: column; align-items: flex-start; }
  .news-date { align-self: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-header { flex-direction: column; align-items: flex-start; gap: 16px; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .site-header { top: 8px; padding: 0 12px; }
  .nav-capsule { padding: 6px 12px; }
  .logo { font-size: 1rem; }
  .hero-sub { font-size: 1rem; }
  .ticket-bottom { padding: 16px 20px 20px; }
  .faq-q { padding: 16px 16px; }
  .faq-a { padding: 0 16px; }
  .faq-item.open .faq-a { padding: 0 16px 16px; }
  .faq-a p { padding-left: 0; }
  .news-item { padding: 16px; }
  .news-day { font-size: 1.5rem; }
}

/* roulang page: category1 */
:root {
  --color-primary: #1B5C3E;
  --color-primary-dark: #13452E;
  --color-accent: #D7FF3E;
  --color-bg: #F6F3EC;
  --color-surface: #FFFFFF;
  --color-text: #16231B;
  --color-text-secondary: #5E6E63;
  --color-border: #E4DECD;
  --color-accent-orange: #FF6B35;
  --radius-card: 14px;
  --radius-btn: 999px;
  --radius-ticket: 18px;
  --shadow-default: 0 4px 16px rgba(22,35,27,.08);
  --shadow-hover: 0 10px 28px rgba(22,35,27,.14);
  --container-max: 1160px;
  --space-section: 100px;
  --space-section-mobile: 56px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--space-section) 0;
}
.section-head {
  margin-bottom: 48px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.section-head p {
  margin-top: 10px;
  font-size: 1rem;
  color: var(--color-text-secondary);
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 20px;
  pointer-events: none;
}
.nav-capsule {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: var(--container-max);
  width: 100%;
  background: rgba(27, 92, 62, .85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  padding: 8px 20px;
  border-radius: var(--radius-btn);
  box-shadow: 0 4px 16px rgba(22,35,27,.12);
  pointer-events: auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-surface);
  white-space: nowrap;
}
.logo-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(215,255,62,.2);
  flex-shrink: 0;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: .95rem;
  font-weight: 500;
  color: rgba(255,255,255,.92);
  transition: background .25s ease, color .25s ease;
}
.nav-link:hover {
  background: rgba(215,255,62,.18);
  color: var(--color-accent);
}
.nav-link.active {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 700;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--radius-btn);
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid transparent;
  transition: all .25s ease;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-primary:active {
  transform: translateY(0);
}
.nav-cta {
  min-height: 38px;
  padding: 6px 20px;
  font-size: .9rem;
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  transition: background .25s ease;
}
.nav-toggle:hover {
  background: rgba(215,255,62,.25);
}
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 20px;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  padding: 160px 0 90px;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(22,35,27,.78), rgba(27,92,62,.5));
}
.page-hero .container {
  position: relative;
  z-index: 2;
  max-width: 860px;
  text-align: center;
}
.page-hero-eyebrow {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-btn);
  background: rgba(215,255,62,.15);
  color: var(--color-accent);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 20px;
  border: 1px solid rgba(215,255,62,.3);
}
.page-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.page-hero-desc {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.8;
  color: rgba(255,255,255,.92);
  max-width: 640px;
  margin: 0 auto;
}

/* ===== Featured ===== */
.featured-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
}
.featured-main {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.column-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow .3s ease, transform .3s ease;
}
.column-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.column-card-img {
  position: relative;
  min-height: 200px;
}
.column-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 14px;
  border-radius: var(--radius-btn);
  background: rgba(22,35,27,.8);
  color: var(--color-accent);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.column-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 28px 30px;
}
.column-card-body h3 {
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 12px;
}
.column-card-body p {
  color: var(--color-text-secondary);
  font-size: .95rem;
  line-height: 1.75;
  margin-bottom: 16px;
}
.card-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: .9rem;
  transition: color .25s ease, gap .25s ease;
}
.card-more:hover {
  color: var(--color-primary-dark);
  gap: 8px;
}

/* ===== Sidebar ===== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 96px;
}
.side-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 26px;
}
.side-widget h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-border);
  position: relative;
}
.side-widget h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 42px;
  height: 2px;
  background: var(--color-accent);
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  padding: 6px 16px;
  border-radius: var(--radius-btn);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all .25s ease;
}
.tag:hover {
  background: var(--color-primary);
  color: var(--color-accent);
  border-color: var(--color-primary);
}
.ticket-mini-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ticket-mini-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--color-bg);
  border-radius: 10px;
  border: 1px solid var(--color-border);
}
.ticket-mini-row .tk-name {
  font-weight: 700;
  font-size: .92rem;
}
.ticket-mini-row .tk-price {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.ticket-mini-row .tk-price small {
  font-size: .75rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}
.side-cta {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-card);
  padding: 28px 24px;
  text-align: center;
}
.side-cta p {
  font-size: .92rem;
  color: rgba(255,255,255,.85);
  margin: 10px 0 18px;
}
.side-cta .btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 30px;
  border-radius: var(--radius-btn);
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 800;
  font-size: .95rem;
  border: 2px solid transparent;
  transition: all .25s ease;
}
.side-cta .btn-accent:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* ===== Steps ===== */
.steps {
  background: var(--color-primary);
  color: #fff;
}
.steps .section-head h2 {
  color: #fff;
}
.steps .section-head p {
  color: rgba(255,255,255,.75);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-card);
  padding: 30px 24px;
  text-align: center;
  transition: background .3s ease, transform .3s ease;
}
.step-item:hover {
  background: rgba(215,255,62,.1);
  transform: translateY(-4px);
}
.step-num {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-accent);
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}
.step-item h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.step-item p {
  font-size: .88rem;
  color: rgba(255,255,255,.7);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow .25s ease;
}
.faq-item:hover {
  box-shadow: var(--shadow-default);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 26px;
  text-align: left;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  transition: background .25s ease;
}
.faq-q:hover {
  background: rgba(27,92,62,.04);
}
.faq-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-text);
  font-size: .8rem;
  font-weight: 800;
  margin-right: 14px;
  flex-shrink: 0;
}
.faq-q-text {
  flex: 1;
}
.faq-icon {
  width: 22px;
  height: 22px;
  position: relative;
  flex-shrink: 0;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform .25s ease;
}
.faq-icon::before {
  top: 10px;
  left: 3px;
  width: 16px;
  height: 2px;
}
.faq-icon::after {
  top: 3px;
  left: 10px;
  width: 2px;
  height: 16px;
}
.faq-item.open .faq-icon::after {
  transform: scaleY(0);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq-item.open .faq-a {
  max-height: 320px;
  padding: 0 26px 22px 64px;
}
.faq-a p {
  font-size: .95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===== CTA Bar ===== */
.cta-bar {
  background: var(--color-accent);
  padding: 72px 0;
  text-align: center;
}
.cta-bar h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 12px;
}
.cta-bar p {
  font-size: 1rem;
  color: rgba(22,35,27,.75);
  max-width: 520px;
  margin: 0 auto 28px;
}
.btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 40px;
  border-radius: var(--radius-btn);
  background: var(--color-primary-dark);
  color: var(--color-accent);
  font-weight: 800;
  font-size: 1rem;
  border: 2px solid transparent;
  transition: all .25s ease;
}
.btn-dark:hover {
  background: var(--color-text);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-dark:active {
  transform: translateY(0);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.9);
  border-top: 2px solid var(--color-accent);
}
.site-footer .container {
  padding-top: 56px;
  padding-bottom: 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.footer-desc {
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(255,255,255,.7);
  max-width: 320px;
}
.footer-col h4 {
  color: var(--color-accent);
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: .03em;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: .92rem;
  color: rgba(255,255,255,.78);
  transition: color .25s ease, padding-left .25s ease;
}
.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.footer-social span {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  font-weight: 700;
  color: rgba(255,255,255,.85);
  transition: all .25s ease;
}
.footer-social span:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .85rem;
  color: rgba(255,255,255,.55);
}
.footer-bottom a {
  color: rgba(255,255,255,.7);
  transition: color .25s ease;
}
.footer-bottom a:hover {
  color: var(--color-accent);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .side-cta {
    grid-column: span 2;
  }
  .column-card {
    grid-template-columns: 220px 1fr;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .section {
    padding: var(--space-section-mobile) 0;
  }
  .nav-capsule {
    gap: 12px;
    padding: 8px 14px;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(27, 92, 62, .96);
    border-radius: 24px;
    padding: 18px;
    box-shadow: var(--shadow-hover);
    gap: 4px;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu .nav-link {
    width: 100%;
    text-align: center;
    padding: 14px;
    font-size: 1rem;
  }
  .nav-menu .nav-cta {
    width: 100%;
    margin-top: 10px;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .page-hero {
    min-height: 60vh;
    padding: 130px 0 60px;
  }
  .column-card {
    grid-template-columns: 1fr;
  }
  .column-card-img {
    min-height: 180px;
  }
  .column-card-img img {
    position: static;
    height: 180px;
  }
  .sidebar {
    grid-template-columns: 1fr;
  }
  .side-cta {
    grid-column: span 1;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .faq-item.open .faq-a {
    padding-left: 26px;
  }
}
@media (max-width: 520px) {
  .nav-capsule {
    padding: 8px 12px;
  }
  .logo {
    font-size: 1rem;
  }
  .logo-icon {
    width: 22px;
    height: 22px;
  }
  .page-hero h1 {
    font-size: 2rem;
  }
  .column-card-body {
    padding: 22px 20px;
  }
  .side-widget {
    padding: 20px;
  }
  .faq-q {
    padding: 16px 18px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cta-bar {
    padding: 48px 0;
  }
}

/* roulang page: article */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

:root {
  --color-primary: #1B5C3E;
  --color-primary-dark: #13452E;
  --color-accent: #D7FF3E;
  --color-bg: #F6F3EC;
  --color-surface: #FFFFFF;
  --color-text: #16231B;
  --color-text-light: #5E6E63;
  --color-border: #E4DECD;
  --radius: 14px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 16px rgba(22, 35, 27, .08);
  --shadow-hover: 0 10px 28px rgba(22, 35, 27, .14);
  --container: 1160px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-text);
  border: none;
  padding: 10px 22px;
  font-size: .95rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  transition: background .2s, color .2s, transform .2s, box-shadow .2s;
  text-align: center;
}

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

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  padding: 10px 22px;
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: background .2s, transform .2s, box-shadow .2s;
}

.btn-secondary:hover {
  background: rgba(27, 92, 62, .08);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 悬浮胶囊导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 12px 20px;
  display: flex;
  justify-content: center;
}

.nav-capsule {
  position: relative;
  max-width: var(--container);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(27, 92, 62, .85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-accent);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: .5px;
}

.logo-icon {
  width: 24px;
  height: 24px;
  background: var(--color-accent);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}

.logo-icon::after {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 3px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, .9);
  font-size: .95rem;
  padding: 8px 18px;
  border-radius: 20px;
  transition: background .2s, color .2s;
}

.nav-link:hover {
  background: rgba(215, 255, 62, .18);
  color: #fff;
}

.nav-link.active {
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 700;
}

.nav-cta {
  margin-left: 4px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.4rem;
  margin-left: auto;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 8px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding-top: 28px;
  font-size: .875rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-light);
  transition: color .2s;
}

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

.breadcrumb .sep {
  color: var(--color-border);
}

.breadcrumb span:last-child {
  color: var(--color-primary);
  font-weight: 600;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 文章正文区 ===== */
.article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-top: 24px;
  box-shadow: var(--shadow-sm);
}

.article-header {
  margin: 32px 32px 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-text);
  font-size: .8125rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: .3px;
}

.article-header h1 {
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  line-height: 1.25;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  gap: 20px;
  color: var(--color-text-light);
  font-size: .875rem;
  flex-wrap: wrap;
  align-items: center;
}

.article-meta span::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
  vertical-align: middle;
}

.article-meta span:first-child::before {
  display: none;
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
  padding: 0 32px 40px;
}

.article-content p {
  margin: 0 0 1.2em;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-weight: 700;
  color: var(--color-text);
  margin: 1.6em 0 .6em;
}

.article-content h2 {
  font-size: 1.5rem;
}

.article-content h3 {
  font-size: 1.25rem;
}

.article-content h4 {
  font-size: 1.1rem;
}

.article-content img {
  border-radius: 12px;
  border: 1px solid rgba(27, 92, 62, .15);
  margin: 1.5em 0;
  height: auto;
}

.article-content blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg);
  padding: 16px 20px;
  margin: 1.5em 0;
  border-radius: 0 12px 12px 0;
  color: var(--color-text-light);
}

.article-content ol,
.article-content ul {
  padding-left: 1.4em;
  margin: 0 0 1.2em;
}

.article-content li {
  margin-bottom: .4em;
}

.article-content a {
  color: var(--color-primary);
  border-bottom: 1px solid rgba(27, 92, 62, .25);
  transition: border-color .2s;
}

.article-content a:hover {
  border-color: var(--color-primary);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
}

.article-content th,
.article-content td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  font-size: .9375rem;
  text-align: left;
}

.article-content th {
  background: var(--color-primary);
  color: #fff;
}

.article-content pre {
  background: var(--color-text);
  color: var(--color-accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  overflow-x: auto;
  margin: 1.5em 0;
  font-size: .875rem;
  line-height: 1.6;
}

.article-content code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .9em;
}

.article-content pre code {
  color: inherit;
}

/* ===== 上一篇 / 下一篇 ===== */
.article-prevnext {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 32px 8px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.article-prevnext a {
  color: var(--color-primary);
  font-size: .9375rem;
  transition: color .2s;
  max-width: 45%;
}

.article-prevnext a:hover {
  color: var(--color-primary-dark);
}

.article-prevnext .next-link {
  text-align: right;
}

/* ===== 相关推荐 ===== */
.related-section {
  max-width: var(--container);
  margin: 56px auto 0;
  padding: 0 24px;
}

.related-section h2 {
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 28px;
}

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

.related-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  display: block;
}

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

.card-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

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

.card-body {
  padding: 16px 18px 20px;
}

.card-tag {
  display: inline-block;
  background: rgba(27, 92, 62, .08);
  color: var(--color-primary);
  font-size: .75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 12px;
}

.card-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 10px 0 6px;
  color: var(--color-text);
  transition: color .2s;
}

.related-card:hover .card-body h3 {
  color: var(--color-primary);
}

.card-body p {
  font-size: .875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ===== 返回入口 ===== */
.article-nav {
  display: flex;
  gap: 16px;
  justify-content: center;
  padding: 48px 24px 64px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, .85);
  padding: 56px 0 24px;
  border-top: 2px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-accent);
  font-size: 1.2rem;
  font-weight: 800;
}

.footer-desc {
  margin-top: 14px;
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .75);
  max-width: 360px;
}

.footer-col h4 {
  color: var(--color-accent);
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: rgba(255, 255, 255, .8);
  font-size: .9rem;
  transition: color .2s;
}

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

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.footer-social span {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, .4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  color: var(--color-accent);
  transition: background .2s, border-color .2s;
}

.footer-social span:hover {
  background: rgba(215, 255, 62, .2);
  border-color: transparent;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .15);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: .8125rem;
  color: rgba(255, 255, 255, .6);
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-capsule {
    border-radius: 20px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: var(--color-primary);
    border-radius: 20px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    box-shadow: var(--shadow-hover);
    margin-left: 0;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 6px;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .article-nav .btn-secondary {
    width: 100%;
    max-width: 320px;
  }

  .article-wrap {
    margin-left: 16px;
    margin-right: 16px;
  }

  .article-header {
    margin-left: 20px;
    margin-right: 20px;
  }

  .article-content {
    padding-left: 20px;
    padding-right: 20px;
  }

  .article-prevnext {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 640px) {
  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-prevnext {
    flex-direction: column;
  }

  .article-prevnext a {
    max-width: 100%;
  }

  .article-prevnext .next-link {
    text-align: left;
  }
}

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

  .breadcrumb span:last-child {
    max-width: 200px;
  }

  .article-meta {
    gap: 10px;
  }

  .article-header {
    margin-left: 16px;
    margin-right: 16px;
  }

  .article-content {
    padding-left: 16px;
    padding-right: 16px;
  }

  .article-prevnext {
    padding-left: 16px;
    padding-right: 16px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 320px;
  }
}