/* ============================================
   芒客云官网 - Laravel 版样式
   1:1 还原 WordPress Astra 主题配色
   ============================================ */

/* ===== CSS Variables (Astra Global Colors) ===== */
:root {
  --ast-global-color-0: #060097;
  --ast-global-color-1: #c10fff;
  --ast-global-color-2: #1e293b;
  --ast-global-color-3: #67768e;
  --ast-global-color-4: #f9f6fe;
  --ast-global-color-5: #ffffff;
  --ast-global-color-6: #f2f5f7;
  --ast-global-color-7: #ffcd57;
  --ast-global-color-8: #000000;

  --ast-container-width: 1200px;
  --ast-narrow-width: 750px;

  --ast-body-font: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ast-heading-font: 'Plus Jakarta Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --ast-gradient-hero: linear-gradient(35deg, rgb(6,0,151) 0%, rgb(130,4,255) 73%, rgb(193,15,255) 100%);
  --ast-gradient-cta: linear-gradient(35deg, rgb(6,0,151) 0%, rgb(130,4,255) 64%, rgb(193,15,255) 98%);

  --ast-radius: 8px;
  --ast-radius-sm: 6px;
  --ast-radius-lg: 16px;
  --ast-transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--ast-body-font);
  font-size: 18px;
  line-height: 1.65;
  color: var(--ast-global-color-2);
  background: var(--ast-global-color-5);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ast-heading-font);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ast-global-color-2);
  margin: 0 0 0.5em;
}

a { color: var(--ast-global-color-0); text-decoration: none; transition: var(--ast-transition); }
a:hover { color: var(--ast-global-color-1); }

img { max-width: 100%; height: auto; }

/* ===== Container ===== */
.ast-container {
  max-width: var(--ast-container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.ast-container.narrow {
  max-width: var(--ast-narrow-width);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--ast-radius);
  font-family: var(--ast-heading-font);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--ast-transition);
}

.btn-primary {
  background: var(--ast-global-color-0);
  color: #fff;
  border-color: var(--ast-global-color-0);
}
.btn-primary:hover {
  background: var(--ast-global-color-1);
  border-color: var(--ast-global-color-1);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(193,15,255,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--ast-global-color-0);
  border-color: var(--ast-global-color-0);
}
.btn-outline:hover {
  background: var(--ast-global-color-0);
  color: #fff;
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: #fff;
}

.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 18px; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: transparent;
  transition: var(--ast-transition);
}

.site-header.scrolled {
  position: fixed;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: 12px 0;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-branding .site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-family: var(--ast-heading-font);
  font-weight: 800;
  font-size: 28px;
  color: #fff;
  letter-spacing: -0.02em;
}

.site-header.scrolled .logo-text { color: var(--ast-global-color-0); }

.main-navigation ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 32px;
}

.main-navigation a {
  color: rgba(255,255,255,0.9);
  font-weight: 500;
  font-size: 16px;
  transition: var(--ast-transition);
}

.site-header.scrolled .main-navigation a { color: var(--ast-global-color-2); }
.main-navigation a:hover { color: var(--ast-global-color-7); }

.header-cta { display: flex; gap: 12px; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  transition: var(--ast-transition);
}

.site-header.scrolled .menu-toggle span { background: var(--ast-global-color-2); }

/* ===== Hero Section ===== */
.hero-section {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--ast-gradient-hero);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 120px 0 80px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Stats Section ===== */
.stats-section {
  padding: 80px 0;
  background: var(--ast-global-color-5);
}

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

.stat-card {
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--ast-radius-lg);
  background: var(--ast-global-color-4);
  transition: var(--ast-transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(6,0,151,0.1);
}

.stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--ast-global-color-0);
  color: #fff;
  margin-bottom: 20px;
}

.stat-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--ast-global-color-2);
}

.stat-card p {
  color: var(--ast-global-color-3);
  font-size: 0.95rem;
  margin: 0;
}

/* ===== Section Header ===== */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--ast-global-color-3);
}

/* ===== Features Section ===== */
.features-section {
  padding: 100px 0;
  background: var(--ast-global-color-6);
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 32px;
  background: #fff;
  border-radius: var(--ast-radius-lg);
  transition: var(--ast-transition);
}

.feature-item:hover {
  box-shadow: 0 12px 36px rgba(0,0,0,0.06);
  transform: translateX(4px);
}

.feature-number {
  font-family: var(--ast-heading-font);
  font-weight: 800;
  font-size: 2.5rem;
  background: var(--ast-gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  min-width: 60px;
}

.feature-content h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.feature-content p {
  color: var(--ast-global-color-3);
  line-height: 1.8;
  margin: 0;
}

/* ===== Advantages Section ===== */
.advantages-section {
  padding: 100px 0;
  background: var(--ast-global-color-5);
}

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

.advantage-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--ast-radius-lg);
  background: var(--ast-global-color-4);
  transition: var(--ast-transition);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(193,15,255,0.08);
}

.advantage-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.advantage-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.advantage-card p {
  color: var(--ast-global-color-3);
  font-size: 0.95rem;
  margin: 0;
}

/* ===== Testimonial Section ===== */
.testimonial-section {
  padding: 80px 0;
  background: var(--ast-global-color-6);
}

.testimonial-card {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 48px;
  background: #fff;
  border-radius: var(--ast-radius-lg);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 40px;
  font-size: 6rem;
  color: var(--ast-global-color-1);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card blockquote {
  font-size: 1.3rem;
  font-style: italic;
  color: var(--ast-global-color-2);
  margin: 0 0 16px;
  line-height: 1.7;
}

.testimonial-card cite {
  font-weight: 600;
  color: var(--ast-global-color-0);
  font-style: normal;
}

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  padding: 104px 0;
  overflow: hidden;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: var(--ast-gradient-cta);
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.3;
}

.cta-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  line-height: 1.7;
}

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

/* ===== Contact Form ===== */
.contact-form-section {
  padding: 80px 0;
  background: var(--ast-global-color-5);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--ast-global-color-2);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: var(--ast-radius-sm);
  font-size: 16px;
  font-family: var(--ast-body-font);
  transition: var(--ast-transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--ast-global-color-1);
  box-shadow: 0 0 0 3px rgba(193,15,255,0.1);
}

.form-error {
  display: block;
  color: #dc2626;
  font-size: 0.85rem;
  margin-top: 4px;
}

.alert {
  padding: 16px 20px;
  border-radius: var(--ast-radius);
  margin-bottom: 24px;
}

.alert-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

/* ===== Page Header ===== */
.page-header-section {
  padding: 140px 0 60px;
  background: var(--ast-gradient-hero);
  text-align: center;
}

.page-title {
  color: #fff;
  font-size: 2.5rem;
  margin: 0;
}

.page-content-section {
  padding: 60px 0;
}

.page-article {
  line-height: 1.8;
}

/* ===== Footer ===== */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-text { color: #fff; }

.footer-brand p {
  color: #94a3b8;
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
}

.footer-col h4 {
  color: #e2e8f0;
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: var(--ast-transition);
}

.footer-col a:hover { color: #fff; }

.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: #94a3b8;
}

.social-links a {
  display: inline-flex;
  color: #94a3b8;
  margin-top: 8px;
  transition: var(--ast-transition);
}

.social-links a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: #64748b;
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-navigation, .header-cta { display: none; }
  .menu-toggle { display: flex; }

  .main-navigation.mobile-open {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    padding: 80px 24px 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }

  .main-navigation.mobile-open ul {
    flex-direction: column;
    gap: 16px;
  }

  .main-navigation.mobile-open a { color: var(--ast-global-color-2); }

  .hero-title { font-size: 2rem; }
  .hero-section { min-height: 600px; }
  .hero-content { padding: 100px 0 60px; }

  .section-title { font-size: 1.6rem; }
  .cta-title { font-size: 1.8rem; }

  .feature-item { flex-direction: column; gap: 12px; padding: 24px; }
  .feature-number { font-size: 2rem; }

  .form-row { grid-template-columns: 1fr; }

  .ast-container { padding: 0 16px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-buttons, .cta-buttons { flex-direction: column; }
  .hero-buttons .btn, .cta-buttons .btn { width: 100%; }
}