:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --primary-light: #38bdf8;
  --accent: #06b6d4;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-section: #f8fafc;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #0891b2 100%);
  --shadow: 0 4px 24px rgba(14, 165, 233, 0.12);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
}

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

html { scroll-behavior: smooth; }

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

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

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(14, 165, 233, 0.1);
  transition: box-shadow 0.3s;
}

.header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  height: auto;
  padding: 10px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--bg-dark);
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  min-width: 48px;
  flex-shrink: 0;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.logo-img {
  display: block;
  height: 48px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  object-position: center;
  border-radius: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.45);
}

/* 立刻选购 - 脉冲缩放 + 海浪光波 */
@keyframes btn-pulse-breath {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 6px 22px rgba(14, 165, 233, 0.4);
  }
  50% {
    transform: scale(1.06);
    box-shadow: 0 10px 32px rgba(14, 165, 233, 0.55), 0 0 20px rgba(56, 189, 248, 0.35);
  }
}

@keyframes btn-wave-ripple {
  0% {
    transform: scale(1);
    opacity: 0.75;
    box-shadow:
      0 0 0 0 rgba(56, 189, 248, 0.55),
      0 0 8px 2px rgba(14, 165, 233, 0.25);
  }
  55% {
    opacity: 0.35;
    box-shadow:
      0 0 0 14px rgba(56, 189, 248, 0.18),
      0 0 20px 6px rgba(14, 165, 233, 0.12);
  }
  100% {
    transform: scale(1.75);
    opacity: 0;
    box-shadow:
      0 0 0 32px rgba(56, 189, 248, 0),
      0 0 36px 12px rgba(14, 165, 233, 0);
  }
}

@keyframes btn-pulse-breath-white {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 6px 22px rgba(255, 255, 255, 0.25);
  }
  50% {
    transform: scale(1.06);
    box-shadow: 0 10px 32px rgba(255, 255, 255, 0.4), 0 0 20px rgba(255, 255, 255, 0.2);
  }
}

@keyframes btn-wave-ripple-white {
  0% {
    transform: scale(1);
    opacity: 0.7;
    box-shadow:
      0 0 0 0 rgba(255, 255, 255, 0.5),
      0 0 8px 2px rgba(255, 255, 255, 0.2);
  }
  55% {
    opacity: 0.3;
    box-shadow:
      0 0 0 14px rgba(255, 255, 255, 0.15),
      0 0 20px 6px rgba(255, 255, 255, 0.08);
  }
  100% {
    transform: scale(1.75);
    opacity: 0;
    box-shadow:
      0 0 0 32px rgba(255, 255, 255, 0),
      0 0 36px 12px rgba(255, 255, 255, 0);
  }
}

.btn-buy {
  position: relative;
  z-index: 0;
  overflow: visible;
  padding: 16px 42px;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  animation: btn-pulse-breath 2.4s ease-in-out infinite;
}

.btn-buy::before,
.btn-buy::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: -1;
  animation: btn-wave-ripple 2.4s ease-out infinite;
}

.btn-buy::after {
  animation-delay: 0.8s;
}

.btn-buy:hover {
  animation: none;
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.5);
}

.btn-buy:hover::before,
.btn-buy:hover::after {
  animation: none;
  opacity: 0;
}

.hero-actions .btn-buy {
  padding: 18px 52px;
  font-size: 1.18rem;
}

.header-inner > .btn-buy {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-white.btn-buy {
  animation: btn-pulse-breath-white 2.4s ease-in-out infinite;
}

.btn-white.btn-buy::before,
.btn-white.btn-buy::after {
  animation-name: btn-wave-ripple-white;
}

.btn-white.btn-buy:hover {
  animation: none;
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.35);
}

@media (prefers-reduced-motion: reduce) {
  .btn-buy,
  .btn-white.btn-buy {
    animation: none;
  }

  .btn-buy::before,
  .btn-buy::after,
  .btn-white.btn-buy::before,
  .btn-white.btn-buy::after {
    animation: none;
    opacity: 0;
  }
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.btn-white {
  background: var(--white);
  color: var(--primary-dark);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.88rem;
}

/* Social brand colors */
.social-instagram { --brand: #E4405F; --brand-bg: rgba(228, 64, 95, 0.12); }
.social-facebook { --brand: #1877F2; --brand-bg: rgba(24, 119, 242, 0.12); }
.social-twitter { --brand: #000000; --brand-bg: rgba(0, 0, 0, 0.08); }
.social-tiktok { --brand: #010101; --brand-bg: rgba(1, 1, 1, 0.08); }
.social-telegram { --brand: #26A5E4; --brand-bg: rgba(38, 165, 228, 0.12); }
.social-discord { --brand: #5865F2; --brand-bg: rgba(88, 101, 242, 0.12); }

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  margin-right: 8px;
  animation: live-pulse 1.5s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
}

@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

/* Hero */
.hero {
  padding: 148px 0 80px;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 40%, #ffffff 100%);
  position: relative;
  overflow-x: hidden;
  overflow-y: visible;
}

.hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-float-icons {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.float-icon {
  position: absolute;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 14px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
  color: var(--brand);
  opacity: 0.55;
  animation: float-drift 6s ease-in-out infinite;
}

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

.float-icon-hero {
  width: 64px !important;
  height: 64px !important;
  padding: 14px !important;
  top: 20% !important;
  left: 4% !important;
  opacity: 0.85 !important;
  background: linear-gradient(135deg, #fff, #e8f1fe) !important;
  border: 2px solid rgba(24, 119, 242, 0.25);
  box-shadow: 0 12px 32px rgba(24, 119, 242, 0.2) !important;
  animation: float-drift 5s ease-in-out infinite, fb-glow 3s ease-in-out infinite !important;
  z-index: 2;
}

@keyframes fb-glow {
  0%, 100% { box-shadow: 0 12px 32px rgba(24, 119, 242, 0.2); }
  50% { box-shadow: 0 16px 40px rgba(24, 119, 242, 0.35); }
}

.float-icon:nth-child(2) { top: 28%; right: 8%; animation-delay: 1.2s; }
.float-icon:nth-child(3) { bottom: 32%; left: 12%; animation-delay: 2.4s; }
.float-icon:nth-child(4) { top: 12%; right: 22%; animation-delay: 0.8s; width: 36px; height: 36px; }
.float-icon:nth-child(5) { bottom: 22%; right: 14%; animation-delay: 1.8s; width: 38px; height: 38px; }

@keyframes float-drift {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(3deg); }
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  position: relative;
  text-align: left;
  max-width: none;
}

.hero-live-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.25);
  color: #15803d;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.social-platform-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  transition: all 0.25s;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.social-platform-item:hover {
  border-color: var(--brand);
  background: var(--brand-bg);
  transform: translateY(-2px);
}

.social-platforms-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 24px;
}

.social-platform-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  color: var(--brand);
}

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

.hero-showcase {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.showcase-card {
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 16px 18px;
  border-left: 4px solid var(--brand);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  transition: transform 0.25s, box-shadow 0.25s;
}

.showcase-card:hover {
  transform: translateX(4px);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.1);
}

.showcase-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.showcase-card-icon {
  display: flex;
  flex-shrink: 0;
}

/* 品牌图标 - 渐变底 + 白色图标 */
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  padding: 10px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.brand-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.social-facebook .brand-icon {
  background: linear-gradient(145deg, #3b8aff 0%, #1877F2 50%, #0d5dbf 100%);
}

.social-instagram .brand-icon {
  background: linear-gradient(145deg, #f9ce34 0%, #ee2a7b 45%, #6228d7 100%);
}

.social-tiktok .brand-icon {
  background: linear-gradient(145deg, #010101 0%, #121212 60%, #25f4ee 100%);
}

.social-twitter .brand-icon {
  background: linear-gradient(145deg, #333 0%, #000 100%);
}

.social-telegram .brand-icon {
  background: linear-gradient(145deg, #37b8f7 0%, #229ED9 100%);
}

.social-discord .brand-icon {
  background: linear-gradient(145deg, #7289da 0%, #5865F2 100%);
}

.social-platform-icon .brand-icon {
  width: 28px;
  height: 28px;
  padding: 6px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.service-icon-wrap {
  margin-bottom: 16px;
}

.service-icon-wrap .brand-icon {
  width: 52px;
  height: 52px;
  padding: 12px;
  border-radius: 14px;
}

.showcase-card-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--bg-dark);
}

.showcase-card-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.showcase-card-price {
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary-dark);
}

.showcase-live-tip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 8px;
  background: rgba(34, 197, 94, 0.06);
  border-radius: 10px;
  margin-top: 4px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(14, 165, 233, 0.1);
  color: var(--primary-dark);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--bg-dark);
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-tags {
  display: flex;
  gap: 12px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.hero-tag {
  padding: 8px 18px;
  background: var(--white);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Trust bar */
.trust-bar {
  padding: 24px 0;
  background: var(--bg-dark);
}

.trust-items {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  font-size: 0.9rem;
}

.trust-item span:first-child { font-size: 1.1rem; }

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

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

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--bg-dark);
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 48px;
}

.section-header { text-align: center; }
.section-header .section-desc { margin-left: auto; margin-right: auto; }

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  display: flex;
  flex-wrap: wrap;
}

.services-grid .service-card {
  flex: 1 1 340px;
  max-width: 100%;
}

.service-card {
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s;
}

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

.service-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}


.service-card[class*="service-card-"] {
  border-top: 3px solid var(--brand);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--bg-dark);
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

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

.step-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid #e2e8f0;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient);
  color: var(--white);
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--bg-dark);
}

.step-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

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

.feature-card {
  padding: 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
}

.feature-card:hover {
  box-shadow: var(--shadow);
  border-color: transparent;
}

.feature-icon { font-size: 1.8rem; margin-bottom: 14px; }

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--bg-dark);
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Stats */
.stats-section {
  padding: 60px 0;
  background: var(--gradient);
}

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

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  overflow: hidden;
  background: var(--white);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.faq-item:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 6px 24px rgba(14, 165, 233, 0.12);
  background: linear-gradient(180deg, #f8fcff 0%, #fff 100%);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.faq-q-text {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bg-dark);
  line-height: 1.5;
  text-align: left;
}

.faq-question:hover .faq-q-text { color: var(--primary-dark); }

.faq-item.active .faq-q-text { color: var(--primary-dark); }

.faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(14, 165, 233, 0.08);
  color: var(--primary);
  font-size: 1.3rem;
  font-weight: 300;
  line-height: 1;
  transition: all 0.3s;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  background: var(--primary);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 22px 20px 22px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.85;
  border-top: 1px solid transparent;
}

.faq-item.active .faq-answer-inner {
  border-top-color: rgba(14, 165, 233, 0.1);
  padding-top: 16px;
}

/* CTA */
.cta-section {
  padding: 80px 0;
  background: var(--bg-dark);
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-light);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* Footer */
.footer {
  padding: 32px 0;
  background: #0a0f1a;
  text-align: center;
  color: var(--text-light);
  font-size: 0.88rem;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--bg-dark);
}

/* Responsive */
@media (max-width: 992px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-content { text-align: center; }
  .hero-actions, .hero-tags { justify-content: center; }
  .social-platforms-bar { justify-content: center; }
  .hero-float-icons { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    gap: 16px;
    box-shadow: var(--shadow);
  }
  .menu-toggle { display: block; }
  .header .btn-primary { display: none; }
  .header-inner { min-height: 68px; padding: 8px 0; }
  .logo-mark { height: 40px; min-width: 40px; }
  .logo-icon { width: 40px; height: 40px; font-size: 1.2rem; }
  .logo-img { height: 40px; max-width: 110px; }
  .logo { font-size: 1.15rem; gap: 8px; }
  .steps-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 128px 0 60px; }
}