/* SMS106 宣传页 — 蓝白企业主题 */

:root {
  --bg-primary: #f5f8fc;
  --bg-secondary: #e8f0f8;
  --bg-card: #ffffff;
  --bg-card-hover: #f3f7fb;
  --text-primary: #12325c;
  --text-secondary: #4a6178;
  --text-muted: #7a8ea3;
  --accent: #1d4f91;
  --accent-hover: #163e73;
  --accent-bright: #2b6cb0;
  --accent-glow: rgba(29, 79, 145, 0.12);
  --gradient-start: #163e73;
  --gradient-end: #1d4f91;
  --border: #d5e2ef;
  --line: #c5d6e8;
  --radius: 8px;
  --radius-lg: 10px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'Source Sans 3', 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 110;
  background: #1d4f91;
  border-bottom: 1px solid #163e73;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: #d6e4f4;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  height: 32px;
  align-items: center;
}

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

/* 导航 */
.warnbar {
  position: fixed;
  top: 32px; left: 0; right: 0;
  z-index: 109;
  background: #9b1c1c;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  padding: 8px 12px;
}

.warnbar strong { font-size: 1.05rem; }

.navbar {
  position: fixed;
  top: 68px; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-xl { padding: 18px 36px; font-size: 1.1rem; border-radius: 10px; }

/* Hero */
.hero {
  padding: 212px 0 88px;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(29, 79, 145, 0.08) 0%, transparent 55%),
    linear-gradient(180deg, #ffffff 0%, #eef4fa 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: rgba(29, 79, 145, 0.08);
  color: var(--accent);
  padding: 5px 12px;
  border-radius: 2px;
  border: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.gradient-text {
  color: #7eafd9;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions { display: flex; gap: 16px; margin-bottom: 48px; }

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* Mock Window */
.mock-window {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }

.mock-title {
  margin-left: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.mock-body { padding: 24px; }

.mock-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9rem;
}

.mock-label { color: var(--text-secondary); }
.mock-value { font-weight: 600; }
.mock-value.active { color: #22c55e; }

.mock-upload {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.mock-progress {
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 12px;
}

.mock-progress-bar {
  height: 100%;
  background: var(--accent-bright);
  border-radius: 3px;
  animation: progressPulse 2s ease-in-out infinite;
}

@keyframes progressPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.mock-status {
  font-size: 0.85rem;
  color: var(--accent);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 36px 32px;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

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

/* 合作机构 */
.partners {
  padding: 28px 0 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #f0f5fa;
}

.partners-label {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  margin-bottom: 16px;
}

.partners-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.partners-photo {
  display: block;
  width: 100%;
  max-width: 980px;
  margin: 0 auto 20px;
  background: #fff;
  border: 1px solid var(--border);
}

.partner-item {
  text-align: center;
  padding: 18px 10px;
  border: 1px solid var(--border);
  background: #fff;
}

.partner-item strong {
  display: block;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}

.partner-item span {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.license-box {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.license-box p,
.license-box a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.license-box a { color: var(--accent); }

/* Section 通用 */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-secondary); }

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 60px;
  font-size: 1.05rem;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--line);
  transform: translateY(-2px);
}

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

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Workflow */
.workflow-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
}

.step {
  flex: 1;
  max-width: 240px;
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step-num {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border-radius: 4px;
  font-size: 1.2rem;
  font-weight: 700;
}

.step h3 { margin-bottom: 8px; font-size: 1rem; }
.step p { color: var(--text-secondary); font-size: 0.85rem; }

.step-arrow {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  font-size: 1.5rem;
  padding-top: 48px;
}

/* Download */
.download-card {
  display: flex;
  align-items: center;
  gap: 60px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.download-info h2 { font-size: 1.8rem; margin-bottom: 16px; }
.download-info p { color: var(--text-secondary); margin-bottom: 20px; }

.download-reqs {
  list-style: none;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.download-reqs li { padding: 4px 0; }
.download-reqs li::before { content: "✓ "; color: var(--accent); }

.download-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.download-version {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Compliance */
.compliance-box {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.warn-110 {
  background: #fff4f4;
  border: 1px solid #e8b4b4;
  color: #9b1c1c !important;
  font-weight: 700;
  padding: 12px 14px;
  margin-bottom: 16px;
}

.compliance-box p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.compliance-box ul {
  list-style: none;
  margin-bottom: 16px;
}

.compliance-box li {
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.compliance-box li::before {
  content: "✕ ";
  color: #ef4444;
  font-weight: 700;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.hotline-main {
  text-align: center;
  font-size: 1.35rem;
  font-weight: 600;
  margin: -24px 0 36px;
  color: var(--text-primary);
}

.hotline-main a {
  color: var(--accent);
  text-decoration: none;
}

.contact-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
}
.contact-card h3 { margin-bottom: 8px; }
.contact-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: #fff;
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
}
.footer-links a:hover { color: var(--text-secondary); }

.footer-company {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.footer-licenses {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 28px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-licenses a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-licenses a:hover { color: var(--accent); }

.footer-warn {
  color: #9b1c1c;
  font-size: 0.85rem;
  font-weight: 600;
}

.footer-hotline {
  color: var(--accent);
  font-size: 0.85rem;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* 响应式 */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .partners-row { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps { flex-direction: column; align-items: center; }
  .step-arrow { display: none; }
  .download-card { flex-direction: column; text-align: center; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero h1 { font-size: 2rem; }
}