:root {
  /* Manus brand: gray #F8F8F8 backgrounds, white surfaces, black #34322D text */
  --bg-primary: #F8F8F8;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-subtle: #F3F3F3;
  --text-primary: #34322D;
  --text-secondary: #5E5C57;
  --text-muted: #8A8880;
  --brand-violet: #6366f1;
  --brand-violet-hover: #4f46e5;
  --brand-violet-glow: rgba(99, 102, 241, 0.16);
  --brand-cyan: #0891b2;
  --brand-cyan-soft: rgba(8, 145, 178, 0.1);
  --border-color: rgba(52, 50, 45, 0.1);
  --border-hover: rgba(99, 102, 241, 0.45);
  --accent-green: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;
  --max-width: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(52, 50, 45, 0.06);
  --shadow-md: 0 10px 28px rgba(52, 50, 45, 0.08);
  --shadow-lg: 0 18px 44px rgba(52, 50, 45, 0.1);
}

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

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(99, 102, 241, 0.05) 0%, transparent 42%),
    radial-gradient(circle at 85% 30%, rgba(8, 145, 178, 0.05) 0%, transparent 46%);
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(248, 248, 248, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: 0 4px 14px rgba(52, 50, 45, 0.08);
  border: 1px solid rgba(52, 50, 45, 0.08);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--brand-cyan);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.nav-contact {
  display: none;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
  padding: 6px 0;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-cyan);
  transition: width 0.2s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 6px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-violet) 0%, #4338ca 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #7073ff 0%, #4f46e5 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.55);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--text-primary);
  border-color: rgba(52, 50, 45, 0.14);
}

.btn-secondary:hover {
  background: #F3F3F3;
  border-color: rgba(52, 50, 45, 0.22);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Section Shared */
section {
  padding: 85px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 55px auto;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-cyan);
  background: var(--brand-cyan-soft);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.gradient-text {
  background: linear-gradient(135deg, #34322D 0%, var(--brand-cyan) 62%, var(--brand-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Hero Section */
.hero-section {
  padding: 70px 0 90px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 50px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  color: #4338ca;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-cyan);
  box-shadow: 0 0 10px var(--brand-cyan);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(6, 182, 212, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin-bottom: 22px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.18rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.stat-item h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stat-item h3 span {
  color: var(--brand-cyan);
  font-size: 1.2rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-media {
  position: relative;
}

.hero-visual-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid rgba(52, 50, 45, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-visual-card img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.hero-visual-card:hover img {
  transform: scale(1.02);
}

.hero-overlay-tag {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(16, 22, 38, 0.88);
  backdrop-filter: blur(12px);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: #e2e8f0;
}

.hero-overlay-tag .status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
}

/* Global Social Platforms Showcase Section */
.platforms-section {
  background: #FFFFFF;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.platforms-filter-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 35px;
  flex-wrap: wrap;
}

.filter-btn {
  background: #F8F8F8;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--brand-violet);
  color: #ffffff;
  border-color: var(--brand-violet);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.35);
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.platform-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.platform-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  background: var(--bg-surface-elevated);
  box-shadow: 0 10px 24px rgba(52, 50, 45, 0.08);
}

.platform-icon-wrap {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  background: #F8F8F8;
  padding: 10px;
  transition: transform 0.2s;
}

.platform-card:hover .platform-icon-wrap {
  transform: scale(1.1);
}

.platform-icon-wrap img,
.platform-icon-wrap svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.platform-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.platform-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.platforms-note {
  margin-top: 35px;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.06);
  border: 1px solid rgba(6, 182, 212, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.platforms-note p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.platforms-note strong {
  color: var(--brand-cyan);
}

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

.capability-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
  position: relative;
}

.capability-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md), 0 0 20px var(--brand-violet-glow);
  background: var(--bg-surface-elevated);
}

.capability-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.capability-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.capability-text {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Workflow Closed Loop */
.workflow-section {
  background: #FFFFFF;
}

.workflow-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.workflow-step {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}

.workflow-step:hover {
  border-color: var(--brand-cyan);
  box-shadow: 0 10px 28px rgba(52, 50, 45, 0.08);
}

.step-number {
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(99, 102, 241, 0.4);
  line-height: 1;
  margin-bottom: 16px;
  font-feature-settings: "tnum";
}

.step-details h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.step-details p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.step-preview {
  margin-top: auto;
  background: #F8F8F8;
  border: 1px solid rgba(52, 50, 45, 0.08);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  color: #0e7490;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
}

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

.scenario-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
}

.scenario-card:hover {
  border-color: rgba(52, 50, 45, 0.16);
  transform: translateY(-2px);
  background: var(--bg-surface-elevated);
}

.scenario-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

.scenario-tag {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-violet);
  background: rgba(99, 102, 241, 0.15);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.scenario-channel {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.scenario-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.scenario-card p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.scenario-outcomes {
  list-style: none;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scenario-outcomes li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.scenario-outcomes li::before {
  content: "✓";
  color: var(--accent-green);
  font-weight: 800;
}

/* Governance */
.governance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.governance-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.25s;
}

.governance-card:hover {
  border-color: var(--brand-violet);
  transform: translateY(-2px);
}

.governance-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.governance-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Comparison Table */
.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
}

.comparison-table th {
  background: #F8F8F8;
  color: var(--text-primary);
  font-weight: 700;
}

.comparison-table td {
  color: var(--text-secondary);
}

.comparison-highlight {
  background: rgba(99, 102, 241, 0.08);
  color: var(--text-primary) !important;
  font-weight: 600;
  border-left: 1px solid rgba(99, 102, 241, 0.3);
  border-right: 1px solid rgba(99, 102, 241, 0.3);
}

.comparison-table tr:hover td {
  background: rgba(52, 50, 45, 0.03);
}

.comparison-table tr:hover .comparison-highlight {
  background: rgba(99, 102, 241, 0.14);
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s;
}

.faq-item.active {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 6px 18px rgba(52, 50, 45, 0.06);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-icon {
  font-size: 1.3rem;
  color: var(--brand-cyan);
  transition: transform 0.2s;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* CTA Box */
.cta-box {
  background: #FFFFFF;
  border: 1px solid rgba(52, 50, 45, 0.08);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 900px;
  margin: 0 auto;
}

.cta-box h2 {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.cta-box p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 540px;
  margin: 0 auto 16px auto;
}

.cta-input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  background: #F8F8F8;
  border: 1px solid rgba(52, 50, 45, 0.12);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.cta-input:focus {
  border-color: var(--brand-cyan);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.3);
}

/* Footer */
.site-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--border-color);
  padding: 70px 0 30px 0;
  margin-top: 50px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li,
.footer-col ul a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.footer-col ul a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(52, 50, 45, 0.08);
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-stats {
    max-width: 500px;
    margin: 0 auto;
  }
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .workflow-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .governance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .header-actions {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .site-header.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    align-items: stretch;
  }
  .nav-contact {
    display: block;
  }
  .nav-contact .btn {
    width: 100%;
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .capabilities-grid,
  .workflow-container,
  .scenarios-grid,
  .governance-grid {
    grid-template-columns: 1fr;
  }
  .platforms-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-form {
    flex-direction: column;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.cta-form {
  justify-content: center;
}

.link-btn {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.footer-col .link-btn:hover {
  color: var(--text-primary);
}

.contact-mask {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(52, 50, 45, 0.5);
  padding: 16px;
}

.contact-mask[hidden] {
  display: none !important;
}

.contact-dialog {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: #ffffff;
  border: 1px solid rgba(52, 50, 45, 0.08);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 56px 24px 28px;
  text-align: center;
}

.contact-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.contact-close:hover {
  background: #F3F3F3;
  color: var(--text-primary);
}

.contact-dialog h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.contact-qr {
  background: #F8F8F8;
  border: 1px solid rgba(52, 50, 45, 0.08);
  border-radius: 16px;
  padding: 12px;
}

.contact-qr img {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 0 auto;
}

.contact-caption {
  margin-top: 16px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-secondary);
}