:root {
  --blue: #3366ff;
  --blue-dark: #2952cc;
  --blue-light: #5b8cff;
  --navy: #000821;
  --navy-mid: #0a1633;
  --text-dark: #1d2129;
  --text-gray: #4e5969;
  --text-light: #86909c;
  --bg-light: #f5f7fa;
  --bg-blue: #f0f5ff;
  --white: #fff;
  --shadow: 0 4px 24px rgba(0, 8, 33, 0.08);
  --shadow-card: 0 2px 16px rgba(0, 8, 33, 0.06);
}

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

body.home-page,
body.sub-page {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background: var(--white);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.home-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 8, 33, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.home-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e8ecf0;
  box-shadow: 0 2px 12px rgba(0, 8, 33, 0.06);
}

.home-header.scrolled .brand { color: var(--text-dark); }
.home-header.scrolled .home-nav a { color: var(--text-gray); }
.home-header.scrolled .home-nav a:hover,
.home-header.scrolled .home-nav a.active { color: var(--blue); }

.home-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}

.brand img,
.brand svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.home-nav {
  display: flex;
  gap: 40px;
  align-items: center;
}

.home-nav a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  transition: color 0.2s;
}

.home-nav a:hover,
.home-nav a.active {
  color: var(--white);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-console {
  display: inline-flex;
  align-items: center;
  padding: 7px 20px;
  background: var(--blue);
  color: var(--white);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.2s;
}

.btn-console:hover {
  background: var(--blue-dark);
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  background: var(--navy);
  padding: 120px 0 80px;
  overflow: hidden;
  min-height: 560px;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(51, 102, 255, 0.15) 0%, transparent 70%),
    linear-gradient(135deg, #000821 0%, #0a1633 50%, #001040 100%);
}

.hero-bg-pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(51, 102, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51, 102, 255, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 80%);
}

.hero-bg-pattern::after {
  content: '';
  position: absolute;
  right: -5%;
  top: 10%;
  width: 55%;
  height: 90%;
  background: radial-gradient(circle, rgba(51, 102, 255, 0.12) 0%, transparent 65%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.hero-content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  background: var(--blue);
  color: var(--white);
  border-radius: 4px;
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: var(--blue-dark);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 11px 28px;
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 4px;
  font-size: 15px;
  transition: all 0.2s;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--white);
}

.hero-link {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  margin-left: 4px;
  transition: color 0.2s;
}

.hero-link:hover {
  color: var(--white);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual img {
  max-width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(51, 102, 255, 0.3));
}

/* ===== Section Common ===== */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 56px;
  letter-spacing: 0.5px;
}

/* ===== Scenarios ===== */
.scenarios-section {
  background: var(--white);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.scenario-card {
  display: flex;
  gap: 20px;
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid #e8ecf0;
  border-radius: 4px;
  transition: box-shadow 0.3s, transform 0.3s;
}

.scenario-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.scenario-icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
}

.scenario-icon svg {
  width: 100%;
  height: 100%;
}

.scenario-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.scenario-card p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.75;
}

/* ===== Core Capabilities ===== */
.capabilities-section {
  background: var(--bg-light);
}

.capabilities-inner {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 48px;
  align-items: center;
}

.capabilities-visual {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.capabilities-visual img {
  width: 100%;
  height: auto;
  display: block;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.capability-item {
  background: var(--white);
  padding: 24px 22px;
  border-radius: 4px;
  border: 1px solid #eef0f4;
  transition: box-shadow 0.3s;
}

.capability-item:hover {
  box-shadow: var(--shadow-card);
}

.capability-item .bar {
  width: 32px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin-bottom: 14px;
}

.capability-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.capability-item p {
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.7;
}

/* ===== Advantages ===== */
.advantages-section {
  background: var(--white);
  position: relative;
  overflow: hidden;
}

.advantages-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(51, 102, 255, 0.08) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  opacity: 0.5;
  pointer-events: none;
}

.advantages-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 40px;
  max-width: 960px;
  margin: 0 auto;
}

.advantage-item {
  padding: 8px 0;
}

.advantage-item.offset {
  margin-top: 40px;
}

.advantages-grid .advantage-item:nth-child(4) {
  grid-column: 1;
}

.advantages-grid .advantage-item:nth-child(5) {
  grid-column: 2;
}

.advantage-item .bar {
  width: 32px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin-bottom: 14px;
}

.advantage-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.advantage-item p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.75;
}

/* ===== Process ===== */
.process-section {
  background: var(--bg-light);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 960px;
  margin: 0 auto;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step .step-num {
  font-size: 72px;
  font-weight: 700;
  color: rgba(51, 102, 255, 0.12);
  line-height: 1;
  margin-bottom: 8px;
  font-family: 'Segoe UI', sans-serif;
}

.process-step h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.process-step p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.75;
  max-width: 260px;
  margin: 0 auto;
}

/* ===== Bottom CTA ===== */
.cta-section {
  background: linear-gradient(180deg, #eef3ff 0%, #f5f8ff 50%, #fafbff 100%);
  padding: 72px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 36px;
}

.cta-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary-lg {
  padding: 13px 40px;
  font-size: 16px;
}

.btn-outline-blue {
  display: inline-flex;
  align-items: center;
  padding: 12px 36px;
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 4px;
  font-size: 16px;
  transition: all 0.2s;
}

.btn-outline-blue:hover {
  background: var(--blue);
  color: var(--white);
}

/* ===== Footer ===== */
.home-footer {
  background: #1a1f2e;
  color: rgba(255, 255, 255, 0.55);
  padding: 32px 0;
  text-align: center;
  font-size: 13px;
}

.home-footer a {
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
}

.home-footer a:hover {
  color: rgba(255, 255, 255, 0.85);
}

.home-footer .footer-meta {
  margin-top: 6px;
  line-height: 1.6;
}

.home-footer .footer-links {
  margin-top: 8px;
}

.home-footer .footer-links span {
  margin: 0 8px;
  opacity: 0.4;
}

/* ===== Floating Sidebar ===== */
.float-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.float-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 52px;
  padding: 10px 6px;
  background: var(--blue);
  color: var(--white);
  font-size: 11px;
  line-height: 1.3;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s;
  border: none;
  text-decoration: none;
}

.float-item:first-child {
  border-radius: 4px 0 0 0;
}

.float-item:last-child {
  border-radius: 0 0 0 4px;
}

.float-item:hover {
  background: var(--blue-dark);
}

.float-item svg {
  width: 20px;
  height: 20px;
  margin-bottom: 4px;
  fill: currentColor;
}

.back-top {
  position: fixed;
  right: 24px;
  bottom: 32px;
  width: 40px;
  height: 40px;
  background: var(--white);
  border: 1px solid #e8ecf0;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 998;
}

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

.back-top svg {
  width: 18px;
  height: 18px;
  fill: var(--text-gray);
}

.back-top:hover {
  border-color: var(--blue);
}

.back-top:hover svg {
  fill: var(--blue);
}

/* ===== Sub Pages ===== */
.sub-hero {
  position: relative;
  background: var(--navy);
  padding: 120px 0 56px;
  overflow: hidden;
  text-align: center;
}

.sub-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(51, 102, 255, 0.12) 0%, transparent 70%),
    linear-gradient(135deg, #000821 0%, #0a1633 50%, #001040 100%);
}

.sub-hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(51, 102, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51, 102, 255, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}

.sub-hero .container {
  position: relative;
}

.sub-hero h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.sub-hero p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
}

.sub-content {
  padding: 64px 0 80px;
  background: var(--bg-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.contact-card {
  background: var(--white);
  border: 1px solid #e8ecf0;
  border-radius: 4px;
  padding: 36px 28px;
  text-align: center;
  transition: box-shadow 0.3s, transform 0.3s;
}

.contact-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.contact-card .icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background: var(--bg-blue);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.contact-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.contact-card .value {
  font-size: 18px;
  color: var(--blue);
  font-weight: 500;
  margin-bottom: 8px;
}

.contact-card .desc {
  font-size: 14px;
  color: var(--text-gray);
}

/* ===== Pricing ===== */
.pricing-section {
  margin-top: 56px;
  padding: 0;
}

.pricing-header {
  text-align: center;
  margin-bottom: 40px;
}

.pricing-header h2 {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.pricing-header p {
  font-size: 15px;
  color: var(--text-gray);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 280px 360px 280px;
  justify-content: center;
  gap: 28px;
  align-items: center;
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 440px;
  padding: 36px 20px 32px;
  border-radius: 16px;
  background: var(--white);
  border: 1px solid #e8ecf0;
  transition: box-shadow 0.3s, transform 0.3s;
}

.pricing-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.pricing-card--free,
.pricing-card--enterprise {
  min-height: 460px;
  padding: 32px 18px 28px;
}

.pricing-card--free .pricing-tier,
.pricing-card--enterprise .pricing-tier {
  font-size: 18px;
  margin-bottom: 16px;
}

.pricing-card--free .pricing-amount {
  font-size: 42px;
}

.pricing-card--free .pricing-features li,
.pricing-card--enterprise .pricing-features li {
  font-size: 13px;
  margin-bottom: 12px;
}

.pricing-card--free {
  border-color: #c9cdd4;
}

.pricing-card--free .pricing-tier,
.pricing-card--free .pricing-amount,
.pricing-card--free .pricing-currency {
  color: var(--text-gray);
}

.pricing-card--free .pricing-divider::after {
  background: var(--text-light);
}

.pricing-card--free .pricing-icon {
  color: var(--text-light);
}

.pricing-card--pro {
  border-color: rgba(51, 102, 255, 0.4);
}

.pricing-card--pro .pricing-tier {
  color: var(--blue);
}

.pricing-card--pro .pricing-divider::after {
  background: var(--blue);
}

.pricing-card--pro .pricing-icon {
  color: var(--blue);
}

.pricing-card--featured {
  min-height: 560px;
  padding: 48px 24px 40px;
  border-radius: 20px;
  border-width: 2px;
  border-color: var(--blue);
  box-shadow: 0 6px 28px rgba(51, 102, 255, 0.15);
  z-index: 1;
}

.pricing-card--featured .pricing-tier {
  font-size: 22px;
  margin-bottom: 24px;
}

.pricing-card--featured .pricing-divider {
  margin-bottom: 32px;
}

.pricing-card--featured .pricing-features li {
  margin-bottom: 18px;
  font-size: 15px;
}

.pricing-card--featured .pricing-rate-current em {
  font-size: 22px;
}

.pricing-card--featured:hover {
  box-shadow: 0 10px 36px rgba(51, 102, 255, 0.2);
}

.pricing-badge {
  position: absolute;
  top: 0;
  right: 0;
  padding: 6px 18px;
  background: var(--blue);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  border-radius: 0 18px 0 12px;
}

.pricing-card--enterprise {
  border-color: rgba(212, 168, 67, 0.45);
}

.pricing-card--enterprise .pricing-tier {
  color: #c8962a;
}

.pricing-card--enterprise .pricing-divider::after {
  background: #e8c060;
}

.pricing-card--enterprise .pricing-icon {
  color: #c8962a;
}

.pricing-tier {
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 20px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: 24px;
}

.pricing-currency {
  font-size: 22px;
  font-weight: 600;
}

.pricing-amount {
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
}

.pricing-unit {
  font-size: 16px;
  font-weight: 500;
  color: #64748b;
  margin-left: 2px;
}

.pricing-divider {
  position: relative;
  height: 1px;
  background: #e8ecf0;
  margin: 0 0 28px;
}

.pricing-divider::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.pricing-features {
  list-style: none;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 16px;
  line-height: 1.5;
}

.pricing-tech {
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px dashed #e8ecf0;
}

.pricing-card--free .pricing-tech,
.pricing-card--enterprise .pricing-tech {
  margin-top: auto;
}

.pricing-tech ul {
  list-style: none;
}

.pricing-tech li {
  position: relative;
  padding-left: 14px;
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 8px;
}

.pricing-tech li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-light);
}

.pricing-card--free .pricing-tech li::before {
  background: #c9cdd4;
}

.pricing-card--pro .pricing-tech li::before,
.pricing-card--featured .pricing-tech li::before {
  background: var(--blue-light);
}

.pricing-card--enterprise .pricing-tech li::before {
  background: #e8c060;
}

.pricing-card--featured .pricing-tech li {
  font-size: 13px;
}

.pricing-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.pricing-rates {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px dashed #e8ecf0;
}

.pricing-rate {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  margin-bottom: 14px;
  font-size: 13px;
}

.pricing-rate:last-child {
  margin-bottom: 0;
}

.pricing-rate-label {
  color: var(--text-light);
  min-width: 32px;
}

.pricing-rate-original {
  color: var(--text-light);
  text-decoration: line-through;
  font-size: 12px;
}

.pricing-rate-current {
  color: var(--text-dark);
  margin-left: auto;
}

.pricing-rate-current em {
  font-style: normal;
  font-size: 20px;
  font-weight: 700;
  color: #e8722a;
}

.sub-cta {
  text-align: center;
  margin-top: 56px;
  padding: 48px 32px;
  background: var(--white);
  border: 1px solid #e8ecf0;
  border-radius: 4px;
}

.sub-cta h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.sub-cta p {
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 24px;
}

.form-card {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 40px;
  border-radius: 4px;
  border: 1px solid #e8ecf0;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 14px;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #e8ecf0;
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-dark);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.alert {
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 20px;
  font-size: 14px;
}

.alert-success {
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.alert-danger {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-btns {
    justify-content: center;
  }

  .capabilities-inner {
    grid-template-columns: 1fr;
  }

  .capabilities-visual {
    max-width: 420px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .home-nav {
    display: none;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .scenario-grid,
  .capability-grid,
  .advantages-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .advantage-item.offset {
    margin-top: 0;
  }

  .advantages-grid .advantage-item:nth-child(4),
  .advantages-grid .advantage-item:nth-child(5) {
    grid-column: auto;
  }

  .float-sidebar {
    display: none;
  }

  .section-title {
    font-size: 26px;
    margin-bottom: 36px;
  }

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

  .pricing-section {
    margin-top: 40px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
    gap: 20px;
    align-items: stretch;
  }

  .pricing-card {
    min-height: auto;
    padding: 36px 24px 28px;
    border-radius: 16px;
  }

  .pricing-card--featured {
    min-height: auto;
    padding: 40px 28px 32px;
    border-radius: 18px;
    order: -1;
  }

  .pricing-card--featured .pricing-tier {
    font-size: 20px;
  }

  .pricing-card--featured .pricing-features li {
    font-size: 14px;
  }

  .pricing-card--featured .pricing-rate-current em {
    font-size: 20px;
  }

  .pricing-badge {
    border-radius: 0 16px 0 10px;
  }

  .pricing-header h2 {
    font-size: 22px;
  }

  .sub-hero h1 {
    font-size: 28px;
  }
}