/* ===== Design Tokens ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --primary-deep: #0c4a6e;
  --accent: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.35);
  --surface: #ffffff;
  --surface-alt: #f0f9ff;
  --surface-dark: #0f172a;
  --surface-card: rgba(255, 255, 255, 0.06);
  --text: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: rgba(255, 255, 255, 0.12);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1180px;
  --header-h: 72px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.65;
  background: var(--surface);
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== Top Bar ===== */
.top-bar {
  background: var(--surface-dark);
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}

.top-bar-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  min-height: 32px;
}

.top-bar-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.top-bar-contact {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  padding: 4px 14px;
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 50px;
  transition: all var(--transition);
}

.top-bar-contact:hover {
  background: rgba(245, 158, 11, 0.12);
  color: #fff;
  border-color: var(--accent);
}

.top-bar-badge {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.top-hotline strong {
  color: var(--accent);
  font-size: 15px;
  letter-spacing: 0.5px;
  margin-left: 4px;
}

/* ===== Header ===== */
.header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  flex-shrink: 0;
}

.logo:hover {
  color: inherit;
}

.logo-mark {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

.logo-mark svg {
  width: 22px;
  height: 22px;
}

.logo-mark.small {
  width: 40px;
  height: 40px;
}

.logo-mark.small svg {
  width: 20px;
  height: 20px;
}

.logo-text h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--surface-dark);
  line-height: 1.3;
}

.logo-text h1.logo-title-long {
  font-size: 14px;
  line-height: 1.35;
  max-width: 220px;
}

.logo-text p {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.nav {
  display: flex;
  gap: 4px;
}

.nav a {
  padding: 8px 16px;
  color: var(--text-light);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  border-radius: 50px;
  transition: all var(--transition);
  position: relative;
}

.nav a:hover,
.nav a.active {
  color: var(--primary-dark);
  background: rgba(14, 165, 233, 0.08);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--surface-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 560px;
  background: linear-gradient(160deg, #0c4a6e 0%, #0f172a 40%, #1e293b 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -150px;
  right: -100px;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent);
  bottom: -100px;
  left: -80px;
  opacity: 0.25;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-slider {
  position: relative;
  min-height: 560px;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
}

.slide-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 60px 0 80px;
}

.slide-content {
  color: #fff;
}

.slide-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.slide-content h2 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.slide-content h2 em {
  font-style: normal;
  background: linear-gradient(135deg, #fff 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.slide-content p {
  font-size: 16px;
  opacity: 0.85;
  line-height: 1.85;
  margin-bottom: 36px;
  max-width: 520px;
}

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

.slide-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.visual-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  backdrop-filter: blur(12px);
  transition: transform var(--transition);
}

.visual-card:hover {
  transform: translateX(8px);
}

.visual-card.accent {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(249, 115, 22, 0.08));
  border-color: rgba(245, 158, 11, 0.25);
}

.visual-label {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.visual-card strong {
  display: block;
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.visual-card span:last-child {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.hero-controls {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.slider-dots {
  display: flex;
  gap: 10px;
}

.slider-dots button {
  width: 32px;
  height: 4px;
  border-radius: 4px;
  border: none;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  padding: 0;
  transition: var(--transition);
}

.slider-dots button.active {
  background: var(--accent);
  width: 48px;
}

/* ===== Quick Entry ===== */
.quick-entry {
  margin-top: -36px;
  position: relative;
  z-index: 10;
  padding-bottom: 0;
}

.quick-entry .container {
  position: relative;
}

.entry-bar {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(14, 165, 233, 0.12);
  box-shadow:
    0 4px 6px rgba(15, 23, 42, 0.04),
    0 16px 40px rgba(15, 23, 42, 0.08);
  overflow: hidden;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  max-width: 100%;
  margin: 0 auto;
}

.entry-item {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  aspect-ratio: auto;
  min-height: 88px;
  padding: 16px 18px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  border-radius: 0;
  color: inherit;
  transition: background var(--transition), color var(--transition);
  box-shadow: none;
  text-align: left;
  overflow: hidden;
  isolation: isolate;
}

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

.entry-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--entry-accent, var(--primary)), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 1;
}

.entry-item::after {
  display: none;
}

.entry-item:hover {
  transform: none;
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.06) 0%, rgba(14, 165, 233, 0.02) 100%);
  box-shadow: none;
  border-color: var(--border);
  color: inherit;
}

.entry-item:hover::before {
  opacity: 1;
}

.entry-item:nth-child(1) { --entry-accent: #0ea5e9; }
.entry-item:nth-child(2) { --entry-accent: #8b5cf6; }
.entry-item:nth-child(3) { --entry-accent: #f59e0b; }
.entry-item:nth-child(4) { --entry-accent: #10b981; }
.entry-item:nth-child(5) { --entry-accent: #6366f1; }
.entry-item:nth-child(6) { --entry-accent: #ec4899; }

.entry-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, rgba(14, 165, 233, 0.12), rgba(14, 165, 233, 0.04));
  border: 1px solid rgba(14, 165, 233, 0.1);
  border-radius: 10px;
  color: var(--entry-accent, var(--primary));
  box-shadow: none;
  transition: transform var(--transition), background var(--transition);
  position: relative;
  z-index: 1;
}

.entry-item:nth-child(1) .entry-icon { background: linear-gradient(145deg, rgba(14, 165, 233, 0.16), rgba(14, 165, 233, 0.05)); border-color: rgba(14, 165, 233, 0.15); }
.entry-item:nth-child(2) .entry-icon { background: linear-gradient(145deg, rgba(139, 92, 246, 0.16), rgba(139, 92, 246, 0.05)); border-color: rgba(139, 92, 246, 0.15); }
.entry-item:nth-child(3) .entry-icon { background: linear-gradient(145deg, rgba(245, 158, 11, 0.16), rgba(245, 158, 11, 0.05)); border-color: rgba(245, 158, 11, 0.15); }
.entry-item:nth-child(4) .entry-icon { background: linear-gradient(145deg, rgba(16, 185, 129, 0.16), rgba(16, 185, 129, 0.05)); border-color: rgba(16, 185, 129, 0.15); }
.entry-item:nth-child(5) .entry-icon { background: linear-gradient(145deg, rgba(99, 102, 241, 0.16), rgba(99, 102, 241, 0.05)); border-color: rgba(99, 102, 241, 0.15); }
.entry-item:nth-child(6) .entry-icon { background: linear-gradient(145deg, rgba(236, 72, 153, 0.16), rgba(236, 72, 153, 0.05)); border-color: rgba(236, 72, 153, 0.15); }

.entry-item:hover .entry-icon {
  transform: scale(1.05);
}

.entry-icon svg {
  width: 20px;
  height: 20px;
}

.entry-text {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.entry-text h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.35;
  writing-mode: horizontal-tb;
}

.entry-text p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.35;
  writing-mode: horizontal-tb;
}

.entry-arrow {
  display: none;
}

.entry-item.reveal:nth-child(1) { transition-delay: 0.05s; }
.entry-item.reveal:nth-child(2) { transition-delay: 0.1s; }
.entry-item.reveal:nth-child(3) { transition-delay: 0.15s; }
.entry-item.reveal:nth-child(4) { transition-delay: 0.2s; }
.entry-item.reveal:nth-child(5) { transition-delay: 0.25s; }
.entry-item.reveal:nth-child(6) { transition-delay: 0.3s; }

/* ===== Sections ===== */
.section {
  padding: 90px 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section-dark {
  background: var(--surface-dark);
  position: relative;
  overflow: hidden;
}

.section-dark::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.4;
}

.section-head {
  margin-bottom: 52px;
}

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

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--primary);
  margin-bottom: 12px;
  padding: 4px 14px;
  background: rgba(14, 165, 233, 0.08);
  border-radius: 50px;
}

.section-tag.light {
  color: var(--primary);
  background: rgba(14, 165, 233, 0.15);
}

.section-title {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  color: var(--surface-dark);
  letter-spacing: -0.5px;
}

.section-title.light {
  color: #fff;
}

.section-desc {
  color: var(--text-light);
  margin-top: 12px;
  font-size: 16px;
  max-width: 560px;
}

.section-head.center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.section-desc.light {
  color: rgba(255, 255, 255, 0.6);
}

/* ===== About ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: start;
}

.about-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(14, 165, 233, 0.08);
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.about-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--surface-dark);
  margin-bottom: 20px;
}

.about-content p {
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.85;
  font-size: 15px;
}

.about-points {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text);
  padding: 12px 16px;
  background: var(--surface-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

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

.about-stat.highlight {
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  border-color: transparent;
  color: #fff;
}

.about-stat.highlight span {
  color: rgba(255, 255, 255, 0.75);
}

.about-stat strong {
  display: block;
  font-size: 40px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.about-stat.highlight strong {
  color: #fff;
}

.about-stat span {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 服务优势 ===== */
.section-advantage {
  background: linear-gradient(180deg, var(--surface-alt) 0%, var(--surface) 100%);
}

.advantage-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.advantage-head-text {
  max-width: 480px;
}

.advantage-metrics {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.metric-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  text-align: center;
  min-width: 110px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.metric-pill:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.metric-pill.accent {
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  border-color: transparent;
  color: #fff;
}

.metric-pill.accent span {
  color: rgba(255, 255, 255, 0.75);
}

.metric-pill strong {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 4px;
}

.metric-pill.accent strong {
  color: #fff;
}

.metric-pill span {
  font-size: 12px;
  color: var(--text-muted);
}

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

.adv-card {
  display: flex;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.adv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.adv-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.adv-card:hover::before {
  opacity: 1;
}

.adv-card-wide {
  grid-column: span 2;
}

.adv-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(14, 165, 233, 0.04));
  border-radius: var(--radius);
  color: var(--primary);
}

.adv-icon svg {
  width: 26px;
  height: 26px;
}

.adv-body {
  flex: 1;
  min-width: 0;
}

.adv-num {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.adv-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--surface-dark);
  margin-bottom: 8px;
}

.adv-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
}

/* ===== 成功案例 ===== */
.section-cases {
  background: var(--surface-dark);
  position: relative;
  overflow: hidden;
}

.section-cases::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(245, 158, 11, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.section-cases .container {
  position: relative;
  z-index: 1;
}

.cases-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.cases-head-text .section-title {
  color: #fff;
}

.cases-head-text .section-desc {
  color: rgba(255, 255, 255, 0.55);
}

.cases-stats {
  display: flex;
  gap: 32px;
}

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

.cases-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.cases-stat span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.cases-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.case-item {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.case-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(14, 165, 233, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.case-image-wrap {
  flex: 0 0 108px;
  width: 108px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 8px;
  background: rgba(255, 255, 255, 0.95);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.case-image-wrap:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

.case-image-wrap img {
  width: 100%;
  height: auto;
  max-height: 140px;
  object-fit: contain;
  display: block;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.case-body {
  padding: 18px 20px;
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.case-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.case-avatar {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
}

.case-meta {
  flex: 1;
  min-width: 0;
}

.case-meta h3 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 2px;
}

.case-role {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.case-badge {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 600;
  padding: 4px 10px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent);
  border-radius: 50px;
  border: 1px solid rgba(245, 158, 11, 0.25);
  white-space: nowrap;
}

.case-quote {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  padding-left: 12px;
  border-left: 2px solid rgba(14, 165, 233, 0.4);
  margin-bottom: 14px;
  flex: 1;
}

.case-footer {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
}

.case-series,
.case-level {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 50px;
}

.case-series {
  background: rgba(14, 165, 233, 0.12);
  color: var(--primary);
}

.case-level {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.case-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.case-lightbox[hidden] {
  display: none;
}

.case-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(4px);
}

.case-lightbox-dialog {
  position: relative;
  z-index: 1;
  max-width: min(92vw, 720px);
  max-height: 92vh;
  animation: caseLightboxIn 0.25s ease;
}

.case-lightbox-dialog img {
  display: block;
  max-width: 100%;
  max-height: 92vh;
  width: auto;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-md);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  background: #fff;
}

.case-lightbox-close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: #fff;
  color: var(--surface-dark);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.case-lightbox-close:hover {
  background: var(--primary);
  color: #fff;
}

@keyframes caseLightboxIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== Timeline Process ===== */
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 16.67%;
  right: 16.67%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  text-align: center;
}

.timeline-marker {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin: 0 auto 20px;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.35);
  position: relative;
  z-index: 1;
  transition: transform var(--transition);
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.1);
}

.timeline-body {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: all var(--transition);
}

.timeline-item:hover .timeline-body {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.timeline-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--surface-dark);
  margin-bottom: 8px;
}

.timeline-body p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.faq-intro .section-desc {
  margin-top: 12px;
}

.faq-contact {
  margin-top: 36px;
  padding: 24px;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  border-radius: var(--radius-lg);
  color: #fff;
}

.faq-contact p {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 16px;
}

.faq-contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  background: #fff;
  color: var(--primary-deep);
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition);
}

.faq-contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  color: var(--primary-deep);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item[open] {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  transition: background var(--transition);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  background: rgba(14, 165, 233, 0.08);
  border-radius: 50%;
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  content: '−';
  background: var(--primary);
  color: #fff;
}

.faq-item summary:hover {
  background: var(--surface-alt);
}

.faq-item p {
  padding: 0 24px 20px;
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.85;
}

/* ===== Footer ===== */
.footer {
  position: relative;
  background: linear-gradient(180deg, #111827 0%, #0a0f1a 100%);
  color: rgba(255, 255, 255, 0.6);
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.45;
}

.footer-inner {
  position: relative;
  padding: 52px 24px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr repeat(3, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding-bottom: 40px;
}

.footer-brand-head {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
}

.footer-brand h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.footer-tagline {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.42);
  max-width: 300px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.footer-list,
.footer-meta {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-list a {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  padding: 7px 0;
  transition: color var(--transition), transform var(--transition);
}

.footer-list a:hover {
  color: var(--primary);
  transform: translateX(3px);
}

.footer-meta li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.55);
}

.footer-meta-label {
  flex-shrink: 0;
  min-width: 32px;
  color: rgba(255, 255, 255, 0.32);
  font-size: 12px;
}

.footer-contact .footer-list {
  margin-bottom: 4px;
}

.footer-contact .footer-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 168px;
  padding: 11px 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: 999px;
  color: #fff !important;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 18px rgba(14, 165, 233, 0.3);
}

.footer-contact .footer-list a:hover {
  color: #fff !important;
  background: linear-gradient(135deg, #38bdf8, var(--primary));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.4);
}

.footer-contact .footer-meta {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.38);
}

.footer-bottom p {
  margin: 0;
}

.footer-icp {
  color: rgba(255, 255, 255, 0.32);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--surface-dark);
  color: #fff;
  border: 1px solid var(--border-light);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 99;
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .slide-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 60px;
  }

  .slide-visual {
    flex-direction: row;
  }

  .visual-card {
    flex: 1;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .entry-bar {
    border-radius: var(--radius);
  }

  .entry-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
  }

  .entry-item {
    border: none;
    background: #fff;
    min-height: 80px;
    padding: 14px 16px;
  }

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

  .adv-card-wide {
    grid-column: span 2;
  }

  .cases-head,
  .advantage-head {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .timeline::before {
    display: none;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-desc {
    max-width: none;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border);
  }

  .nav.open {
    display: flex;
  }

  .header-inner {
    position: relative;
  }

  .hero-slider,
  .hero {
    min-height: auto;
  }

  .slide-inner {
    padding: 48px 0 72px;
  }

  .slide-visual {
    flex-direction: column;
  }

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

  .entry-item {
    min-height: 76px;
    padding: 14px;
  }

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

  .adv-card-wide {
    grid-column: auto;
  }

  .cases-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .case-body {
    padding: 16px 18px;
  }

  .case-image-wrap {
    flex: 0 0 88px;
    width: 88px;
    padding: 8px 6px;
  }

  .case-image-wrap img {
    max-height: 120px;
  }

  .cases-stats {
    gap: 20px;
    width: 100%;
    justify-content: space-between;
  }

  .advantage-metrics {
    width: 100%;
  }

  .metric-pill {
    flex: 1;
    min-width: 0;
  }

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

  .section {
    padding: 64px 0;
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .top-bar-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 480px) {
  .entry-grid {
    grid-template-columns: 1fr;
  }

  .entry-item {
    min-height: 72px;
    padding: 14px 18px;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

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

/* ===== 企业微信咨询浮层 ===== */
.contact-anchor {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.wecom-region-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
}

.wecom-region-modal-overlay[hidden] {
  display: none;
}

.wecom-region-modal {
  width: min(100%, 420px);
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow-lg);
  animation: wecomModalIn 0.3s ease;
}

@keyframes wecomModalIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.wecom-region-modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--surface-dark);
  text-align: center;
  margin-bottom: 20px;
}

.wecom-region-modal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.wecom-region-btn {
  padding: 14px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-alt);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.wecom-region-btn:hover,
.wecom-region-btn.is-active {
  border-color: var(--primary);
  background: rgba(14, 165, 233, 0.08);
  color: var(--primary-dark);
}

.wecom-region-cancel {
  display: block;
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: color var(--transition);
}

.wecom-region-cancel:hover {
  color: var(--text);
}

.wecom-float-root {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.wecom-float-panel {
  width: min(calc(100vw - 48px), 280px);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  animation: wecomPanelIn 0.25s ease;
}

.wecom-float-panel[hidden] {
  display: none;
}

@keyframes wecomPanelIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.wecom-float-close {
  display: block;
  width: 100%;
  padding: 10px 16px;
  border: none;
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text-light);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  text-align: right;
}

.wecom-float-close:hover {
  color: var(--text);
  background: #e2e8f0;
}

.wecom-float-region-label {
  padding: 12px 16px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-dark);
  text-align: center;
}

.wecom-float-content {
  padding: 16px;
  text-align: center;
}

.wecom-float-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #fff !important;
  font-size: 14px;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition);
}

.wecom-float-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
  color: #fff !important;
}

.wecom-float-qr {
  margin: 0;
}

.wecom-float-qr img {
  display: block;
  width: 200px;
  height: 200px;
  margin: 0 auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.wecom-float-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 56px;
  height: 56px;
  padding: 0 20px;
  border: none;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(14, 165, 233, 0.4);
  transition: all var(--transition);
}

.wecom-float-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.45);
}

.wecom-float-toggle-label {
  white-space: nowrap;
}

@media (max-width: 768px) {
  .wecom-float-root {
    right: 16px;
    bottom: 16px;
  }

  .back-to-top {
    bottom: 88px;
    right: 16px;
  }

  .wecom-region-modal-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .wecom-float-toggle {
    width: 56px;
    height: 56px;
    padding: 0;
    border-radius: 50%;
  }

  .wecom-float-toggle-label {
    display: none;
  }

  .wecom-region-modal-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 政策文章页 ===== */
.policy-page {
  background: var(--surface-alt);
}

.page-hero,
.policy-hero {
  background: linear-gradient(160deg, #0c4a6e 0%, #0f172a 100%);
  color: #fff;
  padding: 56px 0 48px;
  text-align: center;
}

.policy-hero h1 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  margin: 12px 0 16px;
}

.policy-hero p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.policy-hero .section-tag.light {
  color: var(--primary);
  background: rgba(14, 165, 233, 0.15);
}

.policy-section {
  padding-top: 48px;
  padding-bottom: 80px;
}

.policy-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.policy-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #f8fbff 0%, var(--surface) 100%);
}

.policy-count {
  font-size: 13px;
  color: var(--text-muted);
}

.policy-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.policy-item {
  border-bottom: 1px solid var(--border);
}

.policy-item:last-child {
  border-bottom: none;
}

.policy-item-link {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 24px 28px;
  color: inherit;
  transition: background var(--transition);
}

.policy-item-link:hover {
  background: rgba(14, 165, 233, 0.04);
  color: inherit;
}

.policy-item-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  padding: 10px 8px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.policy-item-date strong {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
}

.policy-item-date span {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.policy-item-body h2 {
  font-size: 17px;
  font-weight: 600;
  color: var(--surface-dark);
  line-height: 1.5;
  margin-bottom: 8px;
  transition: color var(--transition);
}

.policy-item-link:hover .policy-item-body h2 {
  color: var(--primary-dark);
}

.policy-item-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.policy-item-arrow {
  font-size: 20px;
  color: var(--text-muted);
  transition: transform var(--transition), color var(--transition);
}

.policy-item-link:hover .policy-item-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

.article-tag.policy {
  background: rgba(14, 165, 233, 0.1);
  color: var(--primary-dark);
}

.policy-toolbar {
  margin-bottom: 32px;
}

.policy-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.policy-filter {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--surface);
  color: var(--text-light);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.policy-filter:hover,
.policy-filter.active {
  border-color: var(--primary);
  background: rgba(14, 165, 233, 0.08);
  color: var(--primary-dark);
}

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

.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  overflow: hidden;
}

.article-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.article-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--surface-dark) 0%, #1e293b 100%);
  border-color: transparent;
}

.article-card.featured h2 {
  color: #fff;
}

.article-card.featured p {
  color: rgba(255, 255, 255, 0.65);
}

.article-card.featured .article-meta {
  color: rgba(255, 255, 255, 0.45);
}

.article-card.featured .article-more {
  color: var(--accent);
}

.article-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 28px;
  color: inherit;
}

.article-card-link:hover {
  color: inherit;
}

.article-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.article-tag.notice {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.article-tag.guide {
  background: rgba(14, 165, 233, 0.1);
  color: var(--primary);
}

.article-tag.interpret {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
}

.article-card.featured .article-tag.guide {
  background: rgba(14, 165, 233, 0.2);
  color: #7dd3fc;
}

.article-card h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--surface-dark);
  line-height: 1.5;
  margin-bottom: 12px;
}

.article-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.article-card.featured .article-meta {
  border-top-color: rgba(255, 255, 255, 0.1);
}

.article-more {
  color: var(--primary);
  font-weight: 600;
}

/* ===== 文章详情页 ===== */
.article-page {
  background: var(--surface-alt);
  min-height: 60vh;
}

.article-detail {
  padding: 40px 0 80px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

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

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

.article-header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 24px;
}

.article-header h1 {
  font-size: clamp(24px, 3.5vw, 32px);
  font-weight: 700;
  color: var(--surface-dark);
  line-height: 1.4;
  margin: 16px 0 20px;
}

.article-header-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.article-body {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
}

.article-body h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--surface-dark);
  margin: 32px 0 16px;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body p {
  margin-bottom: 16px;
  color: var(--text-light);
}

.article-body ul {
  margin: 0 0 16px 20px;
  color: var(--text-light);
}

.article-body li {
  margin-bottom: 8px;
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.article-back {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
}

.article-back:hover {
  color: var(--primary);
}

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

  .article-card.featured {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .policy-panel-head {
    padding: 16px 20px;
  }

  .policy-item-link {
    grid-template-columns: 60px 1fr;
    gap: 16px;
    padding: 18px 20px;
  }

  .policy-item-date {
    min-width: 60px;
    padding: 8px 6px;
  }

  .policy-item-date strong {
    font-size: 18px;
  }

  .policy-item-arrow {
    display: none;
  }

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

  .article-card.featured {
    grid-column: auto;
  }

  .article-header,
  .article-body {
    padding: 24px;
  }

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

/* ===== 政策分页 ===== */
.policy-empty {
  padding: 48px 28px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

.policy-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 28px;
  border-top: 1px solid var(--border);
  background: var(--surface-alt);
}

.policy-page-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-light);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
}

.policy-page-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(14, 165, 233, 0.06);
}

.policy-page-info {
  font-size: 13px;
  color: var(--text-muted);
  padding: 0 8px;
}