/* public/css/main.css - Breeze Studio 统一官网全局样式 (Mobile First) */
:root {
  --primary: #D93D3D;
  --primary-hover: #b92b2b;
  --primary-light: #fef2f2;
  --navy: #0f172a;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --accent-blue: #2563eb;
  --accent-blue-light: #eff6ff;
  --accent-green: #059669;
  --accent-green-light: #ecfdf5;
  --accent-amber: #d97706;
  --accent-amber-light: #fffbeb;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--slate-800);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
}

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

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

/* 容器定义 */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* 导航栏 (Navbar) */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  height: calc(64px + env(safe-area-inset-top, 0px));
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: calc(20px + env(safe-area-inset-left, 0px));
  padding-right: calc(20px + env(safe-area-inset-right, 0px));
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -0.5px;
}

.brand-logo .logo-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), #ef4444);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
}

.nav-menu {
  display: none;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--slate-700);
  transition: color 0.15s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-actions {
  display: none;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(217, 61, 61, 0.25);
}

.btn-secondary {
  background-color: var(--slate-100);
  color: var(--slate-800);
  border-color: var(--slate-200);
}

.btn-secondary:hover {
  background-color: var(--slate-200);
}

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

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

.btn-navy {
  background-color: var(--navy);
  color: #ffffff;
}

.btn-navy:hover {
  background-color: #1e293b;
}

.btn-lg {
  padding: 12px 26px;
  font-size: 15.5px;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 12.5px;
}

/* 移动端菜单按钮 */
.mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--slate-800);
  font-size: 24px;
}

/* 移动端抽屉导航 */
.mobile-drawer {
  display: none;
  position: fixed;
  top: calc(64px + env(safe-area-inset-top, 0px));
  left: 0;
  right: 0;
  background: #ffffff;
  border-bottom: 1px solid var(--slate-200);
  padding: 16px calc(20px + env(safe-area-inset-right, 0px)) calc(16px + env(safe-area-inset-bottom, 0px)) calc(20px + env(safe-area-inset-left, 0px));
  box-shadow: var(--shadow-lg);
  z-index: 99;
}

.mobile-drawer.open {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-drawer .nav-link {
  font-size: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--slate-100);
}

/* Hero Section */
.hero {
  padding: 60px 0 50px 0;
  background: radial-gradient(circle at 80% 20%, rgba(217, 61, 61, 0.05), transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(37, 99, 235, 0.04), transparent 50%);
  border-bottom: 1px solid var(--slate-100);
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  border: 1px solid rgba(217, 61, 61, 0.2);
}

.hero-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.25;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}

.hero-title .accent-text {
  color: var(--primary);
}

.hero-sub {
  font-size: 16px;
  color: var(--slate-600);
  max-width: 680px;
  margin: 0 auto 30px auto;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}

/* 核心指标条 */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-top: 30px;
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 26px;
  font-weight: 800;
  color: var(--slate-900);
}

.stat-num .unit {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.stat-label {
  font-size: 12.5px;
  color: var(--slate-500);
  margin-top: 2px;
}

/* 区域分块标题 */
.section {
  padding: 60px 0;
}

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

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 15px;
  color: var(--slate-600);
  max-width: 620px;
  margin: 0 auto;
}

/* 网格系统 */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

/* 卡片样式 */
.card {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--slate-300);
}

.card-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.icon-red { background: var(--primary-light); color: var(--primary); }
.icon-blue { background: var(--accent-blue-light); color: var(--accent-blue); }
.icon-green { background: var(--accent-green-light); color: var(--accent-green); }
.icon-amber { background: var(--accent-amber-light); color: var(--accent-amber); }

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 8px;
}

.card-desc {
  font-size: 14px;
  color: var(--slate-600);
  line-height: 1.6;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.badge-success { background: var(--accent-green-light); color: var(--accent-green); border: 1px solid rgba(5, 150, 105, 0.2); }
.badge-warning { background: var(--accent-amber-light); color: var(--accent-amber); border: 1px solid rgba(217, 119, 6, 0.2); }
.badge-blue { background: var(--accent-blue-light); color: var(--accent-blue); border: 1px solid rgba(37, 99, 235, 0.2); }

/* 价格卡片 */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 12px 24px -6px rgba(217, 61, 61, 0.15);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--primary);
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-full);
}

.pricing-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--slate-900);
}

.pricing-desc {
  font-size: 13.5px;
  color: var(--slate-500);
  margin-top: 4px;
}

.pricing-price {
  margin: 20px 0;
  font-size: 36px;
  font-weight: 900;
  color: var(--slate-900);
}

.pricing-price .currency { font-size: 22px; font-weight: 700; color: var(--primary); }
.pricing-price .period { font-size: 14px; font-weight: 400; color: var(--slate-500); }

.feature-list {
  list-style: none;
  margin: 20px 0;
  flex: 1;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--slate-700);
  margin-bottom: 12px;
}

.feature-list li .check-icon {
  color: var(--accent-green);
  font-weight: bold;
}

.feature-list li.disabled {
  color: var(--slate-400);
  text-decoration: line-through;
}

.feature-list li.disabled .check-icon {
  color: var(--slate-300);
}

/* 步骤流转卡片 */
.step-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.step-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}

/* 页脚 */
.footer {
  background: var(--slate-900);
  color: var(--slate-400);
  padding: 50px 0 30px 0;
  font-size: 13.5px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-bottom: 40px;
}

.footer-brand h4 {
  color: #ffffff;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
}

.footer-links h5 {
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid var(--slate-800);
  padding-top: 24px;
  text-align: center;
  font-size: 12px;
}

/* 响应式断点 (桌面端适配) */
@media (min-width: 768px) {
  .hero-title { font-size: 44px; }
  .hero-actions { flex-direction: row; }
  .stat-strip { grid-template-columns: repeat(4, 1fr); padding: 30px; }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .step-card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .mobile-toggle { display: none; }
  .nav-menu { display: flex; }
  .nav-actions { display: flex; }
}

@media (min-width: 1024px) {
  .hero { padding: 80px 0 70px 0; }
  .hero-title { font-size: 50px; }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .step-card-grid { grid-template-columns: repeat(4, 1fr); }
}