:root {
  --bg-deep: #071826;
  --bg-section: #0B2239;
  --bg-panel: rgba(255, 255, 255, 0.06);
  --bg-panel-strong: rgba(255, 255, 255, 0.10);
  --glass-border: rgba(255, 255, 255, 0.14);
  --primary: #2A9FD8;
  --primary-bright: #56CCF2;
  --accent-gold: #C9A063;
  --text-main: #F2F6FA;
  --text-secondary: #9FB2C6;
  --link-color: var(--primary-bright);
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 24px rgba(86, 204, 242, 0.35);
  --shadow-glow-gold: 0 0 24px rgba(201, 160, 99, 0.3);
  --spacing-section: clamp(64px, 8vw, 100px);
  --container: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  background-image: radial-gradient(circle at 15% 20%, rgba(42, 159, 216, 0.12) 0%, transparent 40%), radial-gradient(circle at 85% 70%, rgba(201, 160, 99, 0.10) 0%, transparent 35%);
  background-attachment: fixed;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: #8adcff;
  text-shadow: 0 0 12px rgba(86, 204, 242, 0.3);
}

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

section {
  scroll-margin-top: 110px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 24, 38, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(7, 24, 38, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--text-main);
  letter-spacing: 0.5px;
}

.brand-logo:hover {
  color: var(--text-main);
  text-shadow: none;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffe3b3, var(--accent-gold));
  box-shadow: 0 0 12px rgba(201, 160, 99, 0.6);
}

.brand-text {
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  position: relative;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-bright), var(--primary));
  border-radius: 2px;
  transition: right 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  right: 0;
}

.nav-link.active {
  color: var(--text-main);
}

.nav-link.active::before {
  content: '●';
  font-size: 8px;
  color: var(--accent-gold);
  position: absolute;
  top: 50%;
  right: -14px;
  transform: translateY(-50%);
}

.menu-toggle {
  display: none;
}

/* Progress Steps */
.progress-wrap {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.progress-steps {
  display: flex;
  align-items: center;
  gap: 0;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.progress-steps::-webkit-scrollbar {
  display: none;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
}

.step-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 24px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
}

.step-link:hover {
  color: var(--primary-bright);
  background: rgba(86, 204, 242, 0.08);
}

.step-link.active {
  color: var(--text-main);
  background: rgba(86, 204, 242, 0.12);
  box-shadow: 0 0 16px rgba(86, 204, 242, 0.18);
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-bright);
  flex-shrink: 0;
}

.step-link.active .step-num {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 14px rgba(86, 204, 242, 0.5);
}

.step-divider {
  width: 30px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
  flex-shrink: 0;
}

/* Hero */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 120px;
  padding-bottom: 60px;
  background: linear-gradient(180deg, rgba(5, 13, 24, 0.78) 0%, rgba(5, 13, 24, 0.45) 50%, rgba(5, 13, 24, 0.72) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  text-align: center;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.5px;
  margin-bottom: 22px;
  color: var(--text-main);
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.hero h1 .gold {
  color: var(--accent-gold);
}

.hero-subtitle {
  font-size: clamp(16px, 1.4vw, 19px);
  color: rgba(242, 246, 250, 0.88);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  letter-spacing: 0.3px;
  border: 1px solid transparent;
  outline: none;
}

.btn:focus-visible {
  outline: 2px solid var(--primary-bright);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-bright));
  color: #fff;
  box-shadow: 0 0 18px rgba(86, 204, 242, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 0 30px rgba(86, 204, 242, 0.55);
  transform: scale(1.02);
  color: #fff;
  text-shadow: none;
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 0 10px rgba(86, 204, 242, 0.3);
}

.btn-outline {
  background: transparent;
  border-color: rgba(86, 204, 242, 0.65);
  color: var(--primary-bright);
}

.btn-outline:hover {
  background: rgba(86, 204, 242, 0.12);
  color: var(--primary-bright);
  text-shadow: none;
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: scale(0.97);
}

.btn-gold {
  background: linear-gradient(135deg, #d8b57a, var(--accent-gold));
  color: #0d1a26;
  box-shadow: 0 0 18px rgba(201, 160, 99, 0.35);
}

.btn-gold:hover {
  box-shadow: 0 0 30px rgba(201, 160, 99, 0.55);
  transform: scale(1.02);
  color: #0d1a26;
  text-shadow: none;
}

.hero-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  padding: 8px 20px;
  font-size: 13px;
  color: rgba(242, 246, 250, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero-badge svg {
  flex-shrink: 0;
}

.hero-badge:hover svg {
  fill: var(--accent-gold);
}

.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-hint::after {
  content: '';
  width: 1px;
  height: 34px;
  background: linear-gradient(180deg, transparent, var(--primary-bright), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0.3; transform: scaleY(0.6); }
}

/* Trust Bar */
.trust-bar {
  background: linear-gradient(180deg, var(--bg-deep), var(--bg-section));
  padding: 36px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 22px;
  border-radius: 30px;
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  font-size: 13px;
  color: var(--text-secondary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition);
}

.trust-item:hover {
  border-color: rgba(86, 204, 242, 0.35);
  box-shadow: 0 0 16px rgba(86, 204, 242, 0.12);
  color: var(--text-main);
}

.trust-item svg {
  flex-shrink: 0;
  color: var(--accent-gold);
}

/* Section Common */
.section {
  padding: var(--spacing-section) 0;
  position: relative;
}

.section-alt {
  background: var(--bg-section);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 54px;
}

.section-head h2 {
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 30px;
  background: rgba(201, 160, 99, 0.15);
  border: 1px solid rgba(201, 160, 99, 0.25);
  color: var(--accent-gold);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-panel);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 34px 30px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--accent-gold), transparent 70%);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(86, 204, 242, 0.45);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  background: linear-gradient(135deg, var(--primary-bright), var(--accent-gold));
}

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(86, 204, 242, 0.12);
  border: 1px solid rgba(86, 204, 242, 0.2);
  margin-bottom: 20px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: rgba(201, 160, 99, 0.15);
  border-color: rgba(201, 160, 99, 0.35);
  box-shadow: 0 0 18px rgba(201, 160, 99, 0.2);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 16px;
}

.feature-link {
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.feature-link:hover {
  gap: 10px;
}

/* Scenarios */
.scenario-row {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 44px;
  align-items: center;
  margin-bottom: 70px;
}

.scenario-row:last-child {
  margin-bottom: 0;
}

.scenario-row.reversed .scenario-media {
  order: 2;
}

.scenario-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  position: relative;
  height: 360px;
}

.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.scenario-row:hover .scenario-media img {
  transform: scale(1.03);
}

.scenario-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(5, 13, 24, 0.5));
  pointer-events: none;
}

.scenario-body {
  padding: 12px 0;
}

.scenario-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  background: rgba(86, 204, 242, 0.1);
  border: 1px solid rgba(86, 204, 242, 0.25);
  color: var(--primary-bright);
  font-size: 12px;
}

.tag-gold {
  background: rgba(201, 160, 99, 0.12);
  border-color: rgba(201, 160, 99, 0.28);
  color: var(--accent-gold);
}

.scenario-body h3 {
  font-size: 23px;
  font-weight: 600;
  margin-bottom: 12px;
}

.scenario-body p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 18px;
}

.quiet-link {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.quiet-link:hover {
  color: var(--primary-bright);
  gap: 10px;
}

/* Cases */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  background: var(--bg-panel);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.case-card:hover {
  transform: translateY(-6px);
  border-color: rgba(86, 204, 242, 0.4);
  box-shadow: var(--shadow-glow);
}

.case-user {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.case-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 160, 99, 0.15);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-gold);
  flex-shrink: 0;
}

.case-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

.case-role {
  font-size: 12px;
  color: var(--text-secondary);
}

.case-stars {
  color: var(--accent-gold);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.case-quote {
  font-size: 14px;
  color: rgba(242, 246, 250, 0.9);
  line-height: 1.7;
  margin-bottom: 18px;
  min-height: 72px;
}

.case-tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  background: rgba(86, 204, 242, 0.1);
  border: 1px solid rgba(86, 204, 242, 0.2);
  color: var(--primary-bright);
  font-size: 12px;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-panel);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 38px 32px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(86, 204, 242, 0.4);
}

.pricing-card.recommended {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-glow-gold);
  transform: scale(1.02);
  z-index: 2;
  background: linear-gradient(180deg, rgba(201, 160, 99, 0.08), rgba(255, 255, 255, 0.04));
}

.pricing-card.recommended:hover {
  transform: scale(1.02) translateY(-4px);
}

.recommend-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #d8b57a, var(--accent-gold));
  color: #0d1a26;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: 20px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(201, 160, 99, 0.4);
}

.pricing-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.pricing-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.pricing-price {
  font-size: 38px;
  font-weight: 700;
  color: var(--primary-bright);
  margin-bottom: 22px;
  font-variant-numeric: tabular-nums;
}

.pricing-card.recommended .pricing-price {
  color: var(--accent-gold);
}

.pricing-price span {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 4px;
}

.pricing-list {
  list-style: none;
  margin-bottom: 28px;
  flex-grow: 1;
}

.pricing-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 5px 0;
  line-height: 1.6;
}

.pricing-list li svg {
  flex-shrink: 0;
  margin-top: 3px;
}

.pricing-card .btn {
  width: 100%;
}

.pricing-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 26px;
  opacity: 0.8;
}

/* Insights (News) */
.insights-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: start;
}

.insight-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.insight-item {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 18px 16px;
  border-radius: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}

.insight-item:hover {
  background: var(--bg-panel);
}

.insight-date {
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  flex-shrink: 0;
}

.insight-item h3 {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  line-height: 1.6;
}

.insight-item a {
  color: inherit;
}

.insight-item a:hover {
  color: var(--primary-bright);
}

.insight-recommend {
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.insight-recommend:hover {
  box-shadow: var(--shadow-glow);
}

.insight-recommend img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.recommend-body {
  padding: 22px;
}

.recommend-body .tag {
  margin-bottom: 10px;
}

.recommend-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
}

.recommend-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Security */
.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.security-card {
  background: var(--bg-panel);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}

.security-card:hover {
  border-color: rgba(201, 160, 99, 0.35);
  box-shadow: var(--shadow-glow-gold);
  transform: translateY(-4px);
}

.security-icon {
  width: 46px;
  height: 46px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 160, 99, 0.12);
  border: 1px solid rgba(201, 160, 99, 0.25);
}

.security-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.security-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* FAQ */
.faq-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-panel);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(86, 204, 242, 0.3);
}

.faq-item.active {
  border-color: rgba(86, 204, 242, 0.4);
  box-shadow: 0 0 18px rgba(86, 204, 242, 0.08);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  user-select: none;
}

.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--primary-bright);
  border-radius: 2px;
  transition: var(--transition);
}

.faq-icon::before {
  width: 16px;
  height: 2px;
  top: 9px;
  left: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 16px;
  top: 2px;
  left: 9px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background: var(--accent-gold);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}

/* CTA */
.cta-banner {
  padding: var(--spacing-section) 0;
  position: relative;
  background: linear-gradient(180deg, rgba(5, 13, 24, 0.85), rgba(5, 13, 24, 0.75)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}

.cta-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 14px;
}

.cta-inner > p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 36px;
}

.appointment-form {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 22px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.form-group {
  flex: 1;
  min-width: 190px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(5, 13, 24, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  font-size: 16px;
  color: var(--text-main);
  transition: var(--transition);
  outline: none;
}

.form-input::placeholder {
  color: #5E7286;
}

.form-input:focus {
  border-color: var(--primary-bright);
  box-shadow: 0 0 0 3px rgba(86, 204, 242, 0.15);
  background: rgba(5, 13, 24, 0.8);
}

.appointment-form .btn {
  align-self: flex-end;
  min-width: 130px;
}

.privacy-note {
  font-size: 13px;
  color: rgba(159, 178, 198, 0.8);
  margin-bottom: 24px;
}

.cta-secondary-links {
  display: flex;
  justify-content: center;
  gap: 14px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 14px;
  transition: var(--transition);
}

.social-link:hover {
  border-color: var(--primary-bright);
  color: var(--primary-bright);
  box-shadow: 0 0 12px rgba(86, 204, 242, 0.2);
}

/* Footer */
.site-footer {
  background: #050D18;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-grid p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}

.footer-grid h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--primary-bright);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 10px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 22px 0;
  font-size: 13px;
  color: rgba(159, 178, 198, 0.7);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* Responsive */
@media (max-width: 1023px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }

  .pricing-card.recommended {
    transform: none;
  }

  .pricing-card.recommended:hover {
    transform: translateY(-4px);
  }

  .scenario-row {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .scenario-row.reversed .scenario-media {
    order: 0;
  }

  .scenario-media {
    height: 280px;
  }

  .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 64px;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 78%;
    max-width: 320px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 88px 30px 30px;
    background: rgba(7, 24, 38, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--glass-border);
    z-index: 200;
  }

  .site-nav.open {
    right: 0;
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
  }

  .site-nav .nav-link {
    font-size: 17px;
    padding: 8px 0;
    width: 100%;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.04);
    z-index: 300;
    position: relative;
  }

  .menu-toggle span,
  .menu-toggle span::before,
  .menu-toggle span::after {
    content: '';
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: var(--transition);
  }

  .menu-toggle span {
    position: relative;
  }

  .menu-toggle span::before {
    position: absolute;
    top: -7px;
    left: 0;
  }

  .menu-toggle span::after {
    position: absolute;
    top: 7px;
    left: 0;
  }

  .menu-toggle.close span {
    background: transparent;
  }

  .menu-toggle.close span::before {
    top: 0;
    transform: rotate(45deg);
  }

  .menu-toggle.close span::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .nav-overlay.show {
    opacity: 1;
    pointer-events: auto;
  }

  .progress-wrap {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 110px;
    padding-bottom: 50px;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .hero-badges {
    gap: 8px;
  }

  .hero-badge {
    padding: 6px 14px;
    font-size: 12px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

  .security-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .appointment-form {
    flex-direction: column;
    padding: 18px;
  }

  .form-group {
    min-width: 100%;
  }

  .appointment-form .btn {
    width: 100%;
    min-width: auto;
  }

  .cta-secondary-links {
    flex-direction: column;
    align-items: center;
  }

  .social-link {
    width: 100%;
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .scenario-media {
    height: 220px;
  }
}

:root {
  --bg-deep: #071826;
  --bg-section: #0B2239;
  --bg-panel: rgba(255, 255, 255, 0.06);
  --bg-panel-strong: rgba(255, 255, 255, 0.10);
  --glass-border: rgba(255, 255, 255, 0.14);
  --primary: #2A9FD8;
  --primary-bright: #56CCF2;
  --accent-gold: #C9A063;
  --text-main: #F2F6FA;
  --text-secondary: #9FB2C6;
  --link-color: var(--primary-bright);
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 24px rgba(86, 204, 242, 0.35);
  --shadow-glow-gold: 0 0 24px rgba(201, 160, 99, 0.3);
  --spacing-section: clamp(64px, 8vw, 100px);
  --container: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: linear-gradient(180deg, #0B2239 0%, #050D18 100%);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input, textarea {
  font-family: inherit;
  font-size: 16px;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section[id], div[id] {
  scroll-margin-top: 130px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 24, 38, 0.72);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.4s ease, border-color 0.4s ease;
}

.site-header.scrolled {
  background: rgba(7, 24, 38, 0.88);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-main);
  white-space: nowrap;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-gold), #E8C98A);
  box-shadow: 0 0 14px rgba(201, 160, 99, 0.5);
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--primary-bright);
}

.nav-link.active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--glass-border);
  background: var(--bg-panel);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-main);
  margin: 2px 0;
  transition: var(--transition);
}

/* ---------- 进度步骤导航 ---------- */
.step-nav-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  padding: 10px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  max-width: var(--container);
  margin: 0 auto;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 30px;
  color: var(--text-secondary);
  font-size: 13px;
  transition: var(--transition);
  white-space: nowrap;
}

.step-item:hover {
  background: var(--bg-panel);
  color: var(--text-main);
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-panel-strong);
  border: 1px solid var(--glass-border);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.step-item.active {
  color: var(--text-main);
}

.step-item.active .step-num {
  background: linear-gradient(135deg, var(--primary), var(--primary-bright));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 18px rgba(86, 204, 242, 0.45);
}

.step-sep {
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.16), transparent);
  flex-shrink: 0;
}

/* ---------- 内页 Banner ---------- */
.page-hero {
  position: relative;
  padding: 64px 0 72px;
  background:
    linear-gradient(135deg, rgba(5, 13, 24, 0.88) 0%, rgba(7, 24, 38, 0.55) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(600px 240px at 85% 20%, rgba(86, 204, 242, 0.14), transparent),
    radial-gradient(500px 260px at 10% 90%, rgba(201, 160, 99, 0.10), transparent);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: center;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--text-secondary);
  padding: 4px 12px;
  border-radius: 30px;
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--primary-bright);
  border-color: var(--primary);
}

.breadcrumb .sep {
  color: #5E7286;
}

.breadcrumb span:last-child {
  padding: 4px 12px;
  border-radius: 30px;
  background: rgba(86, 204, 242, 0.10);
  border: 1px solid rgba(86, 204, 242, 0.2);
  color: var(--primary-bright);
}

.page-hero h1 {
  font-size: clamp(32px, 4.2vw, 46px);
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.page-hero .hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 28px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.meta-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.meta-chip svg {
  flex-shrink: 0;
}

.meta-chip:hover {
  border-color: rgba(201, 160, 99, 0.4);
  color: var(--accent-gold);
}

.hero-panel {
  position: relative;
}

.hero-panel-img {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  transform: rotate(1.5deg) translateY(4px);
}

.hero-panel-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 24, 0.08), rgba(5, 13, 24, 0.45));
}

.hero-panel-img img {
  width: 100%;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}

.hero-panel-badge {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 3;
  display: flex;
  gap: 10px;
}

.hero-panel-badge .badge {
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(7, 24, 38, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: var(--text-main);
}

.hero-panel-badge .badge.gold {
  color: var(--accent-gold);
  border-color: rgba(201, 160, 99, 0.35);
}

/* ---------- 按钮 ---------- */
.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--primary), var(--primary-bright));
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 0 18px rgba(86, 204, 242, 0.35);
  transition: var(--transition);
  border: none;
}

.btn-primary:hover {
  box-shadow: 0 0 32px rgba(86, 204, 242, 0.5);
  transform: scale(1.02);
  color: #fff;
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 0 10px rgba(86, 204, 242, 0.25);
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.chip:focus-visible,
.card-btn:focus-visible,
.page-btn:focus-visible,
.step-item:focus-visible {
  outline: 2px solid var(--primary-bright);
  outline-offset: 3px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(86, 204, 242, 0.45);
  background: transparent;
  color: var(--primary-bright);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(86, 204, 242, 0.10);
  color: #FFF;
  border-color: var(--primary-bright);
}

.btn-secondary:active {
  transform: scale(0.97);
}

/* ---------- 区块标题 ---------- */
.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 44px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--accent-gold);
  background: rgba(201, 160, 99, 0.10);
  border: 1px solid rgba(201, 160, 99, 0.25);
  padding: 5px 16px;
  border-radius: 30px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
}

.section-head p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
}

/* ---------- 分类工具条 ---------- */
.section-block {
  padding: var(--spacing-section) 0;
}

.section-block.bg-tint {
  background: rgba(255, 255, 255, 0.018);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.category-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.toolbar-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  padding: 8px 20px;
  border-radius: 30px;
  border: 1px solid var(--glass-border);
  background: var(--bg-panel);
  color: var(--text-secondary);
  font-size: 14px;
  transition: var(--transition);
}

.chip:hover {
  border-color: var(--primary-bright);
  color: var(--primary-bright);
  transform: translateY(-1px);
}

.chip.active {
  background: rgba(86, 204, 242, 0.14);
  border-color: var(--primary);
  color: var(--primary-bright);
  box-shadow: 0 0 14px rgba(86, 204, 242, 0.18);
}

.toolbar-meta {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ---------- 分类卡片网格 ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.category-card {
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  opacity: 0.4;
  z-index: 2;
  transition: opacity var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: rgba(86, 204, 242, 0.38);
  box-shadow: var(--shadow-glow);
}

.category-card:hover::before {
  opacity: 1;
}

.card-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.category-card:hover .card-thumb img {
  transform: scale(1.04);
}

.card-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 24, 0.06) 40%, rgba(5, 13, 24, 0.72) 100%);
}

.card-badges {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 3;
  display: flex;
  gap: 8px;
}

.badge {
  padding: 4px 12px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(201, 160, 99, 0.18);
  color: var(--accent-gold);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(201, 160, 99, 0.32);
}

.badge.blue {
  background: rgba(86, 204, 242, 0.16);
  color: var(--primary-bright);
  border-color: rgba(86, 204, 242, 0.3);
}

.card-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}

.card-body p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.card-link {
  font-size: 14px;
  color: var(--link-color);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  color: #fff;
  text-decoration: underline;
}

.card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 16px;
  border-radius: 8px;
  border: 1px solid rgba(86, 204, 242, 0.4);
  color: var(--primary-bright);
  font-size: 13px;
  transition: var(--transition);
  background: transparent;
}

.card-btn:hover {
  background: rgba(86, 204, 242, 0.12);
  color: #fff;
  border-color: var(--primary-bright);
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.page-btn {
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--bg-panel);
  color: var(--text-secondary);
  font-size: 14px;
  transition: var(--transition);
}

.page-btn:hover {
  border-color: var(--primary-bright);
  color: var(--primary-bright);
}

.page-btn.active {
  background: rgba(86, 204, 242, 0.15);
  border-color: var(--primary);
  color: var(--primary-bright);
  box-shadow: 0 0 14px rgba(86, 204, 242, 0.2);
}

/* ---------- 信任徽章带 ---------- */
.trust-strip {
  padding: 34px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.trust-item:hover {
  border-color: rgba(201, 160, 99, 0.35);
  transform: translateY(-2px);
}

.trust-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(86, 204, 242, 0.10);
  color: var(--primary-bright);
  flex-shrink: 0;
  transition: var(--transition);
}

.trust-item:hover .trust-icon {
  color: var(--accent-gold);
  background: rgba(201, 160, 99, 0.12);
}

.trust-item span {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
}

/* ---------- 适用场景 · 图文交替 ---------- */
.scene-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.scene-row:last-child {
  margin-bottom: 0;
}

.scene-row.reverse .scene-media {
  order: 2;
}

.scene-media {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
}

.scene-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.scene-row:hover .scene-media img {
  transform: scale(1.03);
}

.scene-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(5, 13, 24, 0.12), rgba(5, 13, 24, 0.35));
}

.scene-tags {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 3;
  display: flex;
  gap: 8px;
}

.scene-content {
  padding: 12px 0;
}

.scene-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

.scene-content p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 16px;
}

.scene-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--link-color);
  font-size: 14px;
  font-weight: 500;
}

.scene-link:hover {
  color: #fff;
  gap: 10px;
}

/* ---------- 流程步骤 ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.process-step {
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 28px 22px;
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(12px);
}

.process-step:hover {
  transform: translateY(-4px);
  border-color: rgba(86, 204, 242, 0.4);
  box-shadow: var(--shadow-glow);
}

.process-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 22px;
  right: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 2px;
  opacity: 0.4;
}

.process-step:hover::before {
  opacity: 1;
}

.process-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 1px;
  display: block;
  margin-bottom: 10px;
}

.process-step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.faq-item.active {
  border-color: rgba(86, 204, 242, 0.35);
  background: var(--bg-panel-strong);
}

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-main);
  transition: var(--transition);
}

.faq-q:hover {
  color: var(--primary-bright);
}

.faq-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  font-size: 18px;
  font-weight: 300;
  color: var(--text-secondary);
  transition: transform 0.35s ease, color 0.35s ease, border-color 0.35s ease;
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--primary-bright);
  border-color: var(--primary);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-a-inner {
  padding: 0 22px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  position: relative;
  padding: var(--spacing-section) 0;
  background:
    linear-gradient(145deg, rgba(7, 24, 38, 0.94) 0%, rgba(11, 34, 57, 0.82) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(700px 260px at 80% 20%, rgba(86, 204, 242, 0.12), transparent),
    radial-gradient(500px 220px at 15% 80%, rgba(201, 160, 99, 0.10), transparent);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}

.cta-copy h2 {
  font-size: clamp(28px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
}

.cta-copy p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 480px;
}

.booking-form {
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-input {
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(5, 13, 24, 0.5);
  color: var(--text-main);
  font-size: 16px;
  transition: var(--transition);
}

.form-input::placeholder {
  color: #5E7286;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-bright);
  box-shadow: 0 0 14px rgba(86, 204, 242, 0.22);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-submit {
  width: 100%;
  margin-top: 6px;
}

.form-hint {
  margin-top: 14px;
  font-size: 13px;
  color: #5E7286;
  text-align: center;
  line-height: 1.5;
}

.cta-extra {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.cta-extra .btn-secondary {
  font-size: 14px;
  padding: 10px 18px;
}

.cta-extra svg {
  margin-right: 6px;
  vertical-align: -2px;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #050D18;
  color: var(--text-secondary);
  padding-top: 64px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 160, 99, 0.3), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
}

.footer-grid p {
  font-size: 14px;
  line-height: 1.75;
  max-width: 320px;
}

.footer-grid h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.footer-links li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-secondary);
}

.footer-links a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-bright);
}

.footer-links svg {
  flex-shrink: 0;
  color: var(--accent-gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 13px;
  color: #5E7286;
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 1023px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .scene-row {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .scene-row.reverse .scene-media {
    order: 0;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-panel {
    max-width: 560px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .step-sep {
    width: 14px;
  }

  .step-item {
    padding: 4px 10px;
    font-size: 12px;
  }

  .step-num {
    width: 24px;
    height: 24px;
    font-size: 11px;
  }
}

@media (max-width: 767px) {
  body {
    font-size: 15px;
  }

  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 64px;
  }

  .brand {
    font-size: 17px;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 82vw);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 8px;
    background: rgba(5, 13, 24, 0.98);
    border-left: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    padding: 80px 24px 30px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }

  .site-nav.open {
    transform: translateX(0);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.4);
  }

  .site-nav .nav-link {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
    border-radius: 10px;
  }

  .site-nav .nav-link::after {
    display: none;
  }

  .site-nav .nav-link:hover,
  .site-nav .nav-link.active {
    background: rgba(86, 204, 242, 0.10);
    color: var(--primary-bright);
  }

  .nav-toggle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(2px, 2px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
  }

  .step-nav-inner {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 4px;
    padding: 8px 16px;
    scrollbar-width: none;
  }

  .step-nav-inner::-webkit-scrollbar {
    display: none;
  }

  .step-sep {
    display: none;
  }

  .step-item {
    flex-shrink: 0;
    font-size: 12px;
    padding: 4px 10px;
  }

  .page-hero {
    padding: 44px 0 52px;
  }

  .page-hero h1 {
    font-size: 30px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn-primary,
  .hero-cta .btn-secondary {
    width: 100%;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .category-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar-chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    width: 100%;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    scrollbar-width: none;
  }

  .toolbar-chips::-webkit-scrollbar {
    display: none;
  }

  .chip {
    flex-shrink: 0;
    font-size: 13px;
    padding: 7px 16px;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: 1fr 1fr;
  }

  .trust-item {
    padding: 14px 14px;
  }

  .trust-item span {
    font-size: 13px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-group {
    margin-bottom: 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    line-height: 1.6;
  }

  .cta-extra {
    flex-direction: column;
  }

  .cta-extra .btn-secondary {
    width: 100%;
  }

  .booking-form {
    padding: 22px;
  }

  .section-head {
    margin-bottom: 32px;
  }
}

@media (max-width: 520px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .meta-chip {
    font-size: 12px;
    padding: 5px 12px;
  }

  .hero-panel-badge {
    flex-wrap: wrap;
  }

  .pagination {
    flex-wrap: wrap;
  }

  .page-btn {
    min-width: 36px;
    height: 36px;
    font-size: 13px;
  }
}
