/* =============================================
   管道疏通服务企业官网 - 全局样式
   ============================================= */

/* CSS Variables */
:root {
  --primary: #0057b8;
  --primary-dark: #003f8a;
  --primary-light: #e8f1fb;
  --accent: #f97316;
  --accent-dark: #ea6c08;
  --text-dark: #1a2332;
  --text-mid: #4a5568;
  --text-light: #718096;
  --bg-white: #ffffff;
  --bg-light: #f7f9fc;
  --bg-gray: #edf2f7;
  --border: #e2e8f0;
  --success: #22c55e;
  --warning: #eab308;
  --danger: #ef4444;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.14);
  --transition: .25s ease;
  --max-w: 1200px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  font-size: 16px;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }

/* =============================================
   Typography
   ============================================= */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-dark); }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { color: var(--text-mid); margin-bottom: 0.8rem; }
p:last-child { margin-bottom: 0; }

/* =============================================
   Layout Utilities
   ============================================= */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { max-width: 600px; margin: 0 auto; font-size: 1.1rem; color: var(--text-mid); }
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* =============================================
   Buttons
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  text-align: center;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249,115,22,.35);
}
.btn-secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-white {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-white:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.btn-lg { padding: 18px 38px; font-size: 1.1rem; }
.btn-sm { padding: 10px 20px; font-size: .9rem; }
.btn-block { width: 100%; justify-content: center; }

/* =============================================
   Cards
   ============================================= */
.card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

/* =============================================
   Navigation
   ============================================= */
#site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: box-shadow var(--transition);
}
#site-nav.scrolled { box-shadow: var(--shadow); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
}
.nav-logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
}
.nav-logo-text span { display: block; font-size: .7rem; font-weight: 400; color: var(--text-light); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  color: var(--text-mid);
  font-size: .95rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all var(--transition);
  text-decoration: none;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
}
.nav-phone:hover { color: var(--accent-dark); }
.nav-phone i { font-size: 1rem; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  font-size: 1.4rem;
  color: var(--text-dark);
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 12px 20px 20px;
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: var(--text-dark);
  font-size: 1rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: 8px;
  text-decoration: none;
  transition: background var(--transition);
}
.nav-mobile a:hover, .nav-mobile a.active {
  background: var(--primary-light);
  color: var(--primary);
}
.nav-mobile .btn { margin-top: 8px; }

/* =============================================
   Hero Section
   ============================================= */
#hero {
  background: linear-gradient(135deg, #0a1628 0%, #0d2044 50%, #0a1628 100%);
  color: #fff;
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230057b8' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: .5;
}
#hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(249,115,22,.15);
  color: #fb923c;
  font-size: .85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  border: 1px solid rgba(249,115,22,.3);
}
.hero-content h1 {
  color: #fff;
  margin-bottom: 20px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.25;
}
.hero-content h1 em {
  font-style: normal;
  color: #60a5fa;
}
.hero-content p {
  color: #94a3b8;
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}
.hero-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: .88rem;
  color: #e2e8f0;
}
.hero-badge i { color: #4ade80; font-size: .8rem; }
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(10px);
}
.hero-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-card-title i { color: #60a5fa; }
.hero-form .form-group { margin-bottom: 14px; }
.hero-form label {
  display: block;
  font-size: .85rem;
  color: #94a3b8;
  margin-bottom: 5px;
}
.hero-form select,
.hero-form input,
.hero-form textarea {
  width: 100%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 8px;
  padding: 11px 14px;
  color: #fff;
  font-size: .95rem;
  transition: border-color var(--transition);
  font-family: inherit;
}
.hero-form select option { background: #1a2332; color: #fff; }
.hero-form select:focus,
.hero-form input:focus,
.hero-form textarea:focus {
  outline: none;
  border-color: #60a5fa;
  background: rgba(255,255,255,.12);
}
.hero-form input::placeholder,
.hero-form textarea::placeholder { color: #64748b; }
.hero-form textarea { resize: vertical; min-height: 80px; }
.hero-stats {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.hero-stat-item { text-align: center; flex: 1; }
.hero-stat-num {
  font-size: 1.4rem;
  font-weight: 700;
  color: #60a5fa;
  display: block;
}
.hero-stat-label { font-size: .78rem; color: #94a3b8; }

/* =============================================
   Trust Bar
   ============================================= */
#trust-bar {
  background: var(--primary);
  color: #fff;
  padding: 16px 0;
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 12px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  font-weight: 500;
}
.trust-item i { font-size: 1rem; color: #93c5fd; }

/* =============================================
   Service Cards
   ============================================= */
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}
.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.service-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.service-card h4 { margin-bottom: 8px; font-size: 1.1rem; }
.service-card p { font-size: .9rem; color: var(--text-light); line-height: 1.6; }
.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 14px;
}
.service-card-link i { font-size: .8rem; transition: transform var(--transition); }
.service-card:hover .service-card-link i { transform: translateX(4px); }

/* =============================================
   Process Steps
   ============================================= */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(to right, var(--primary-light), var(--primary), var(--primary-light));
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 12px;
}
.process-step-num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 16px rgba(0,87,184,.3);
}
.process-step-title { font-weight: 700; font-size: 1rem; margin-bottom: 8px; }
.process-step-desc { font-size: .88rem; color: var(--text-light); line-height: 1.5; }

/* =============================================
   Stats Banner
   ============================================= */
.stats-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num span { font-size: .6em; vertical-align: super; font-weight: 600; }
.stat-label { color: #93c5fd; font-size: .95rem; }

/* =============================================
   FAQ Component
   ============================================= */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  background: var(--bg-white);
  border: none;
  padding: 20px 24px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  transition: background var(--transition);
  font-family: inherit;
}
.faq-question:hover { background: var(--bg-light); }
.faq-question.active { background: var(--primary-light); color: var(--primary); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  transition: transform var(--transition), background var(--transition);
}
.faq-question.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: .95rem;
  color: var(--text-mid);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  background: var(--bg-light);
}
.faq-answer.open { display: block; }
.faq-answer ul { margin: 10px 0; padding-left: 0; }
.faq-answer ul li {
  padding: 4px 0 4px 22px;
  position: relative;
  color: var(--text-mid);
}
.faq-answer ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}
.faq-tag {
  display: inline-block;
  font-size: .72rem;
  padding: 2px 8px;
  border-radius: 10px;
  margin-right: 8px;
  font-weight: 600;
}
.faq-tag-price { background: #fef3c7; color: #92400e; }
.faq-tag-tech { background: var(--primary-light); color: var(--primary); }
.faq-tag-service { background: #dcfce7; color: #166534; }

/* =============================================
   Testimonials / Reviews
   ============================================= */
.review-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.review-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 12px; letter-spacing: 2px; }
.review-text { font-size: .95rem; color: var(--text-mid); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.reviewer {
  display: flex;
  align-items: center;
  gap: 12px;
}
.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--primary);
  font-weight: 700;
}
.reviewer-name { font-weight: 600; font-size: .95rem; }
.reviewer-meta { font-size: .8rem; color: var(--text-light); }

/* =============================================
   Pricing Cards
   ============================================= */
.pricing-card {
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
}
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 8px 30px rgba(0,87,184,.15);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 20px;
  white-space: nowrap;
}
.pricing-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.pricing-price { font-size: 2.4rem; font-weight: 800; color: var(--primary); line-height: 1; }
.pricing-price small { font-size: .9rem; font-weight: 500; color: var(--text-light); }
.pricing-desc { font-size: .88rem; color: var(--text-light); margin: 12px 0 20px; }
.pricing-features { margin-bottom: 24px; }
.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: .92rem;
}
.pricing-feature:last-child { border-bottom: none; }
.pricing-feature i { color: var(--success); margin-top: 3px; flex-shrink: 0; }
.pricing-feature.no i { color: var(--text-light); }
.pricing-feature.no span { color: var(--text-light); }

/* =============================================
   Region Cards
   ============================================= */
.region-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
  text-decoration: none;
  display: block;
  color: inherit;
}
.region-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.region-city {
  font-size: .75rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 6px;
}
.region-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.region-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.region-tag {
  background: var(--bg-gray);
  color: var(--text-mid);
  font-size: .78rem;
  padding: 3px 10px;
  border-radius: 10px;
}
.region-meta { font-size: .85rem; color: var(--text-light); display: flex; align-items: center; gap: 6px; }
.region-meta i { color: var(--primary); }

/* =============================================
   Case Cards
   ============================================= */
.case-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.case-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.case-before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 180px;
  position: relative;
}
.case-photo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 2.8rem;
  gap: 8px;
}
.case-photo-before { background: #fef2f2; }
.case-photo-after { background: #f0fdf4; }
.case-photo-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.case-photo-before .case-photo-label { color: #dc2626; }
.case-photo-after .case-photo-label { color: #16a34a; }
.case-divider {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: .9rem;
  z-index: 1;
}
.case-body { padding: 20px 22px; }
.case-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 10px;
  margin-bottom: 10px;
}
.case-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.case-desc { font-size: .88rem; color: var(--text-mid); line-height: 1.6; }
.case-meta {
  display: flex;
  gap: 16px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.case-meta-item { font-size: .8rem; color: var(--text-light); display: flex; align-items: center; gap: 4px; }
.case-meta-item i { color: var(--primary); }

/* =============================================
   Contact Form
   ============================================= */
.contact-form .form-group { margin-bottom: 18px; }
.contact-form label {
  display: block;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.contact-form label span { color: var(--danger); }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: .95rem;
  color: var(--text-dark);
  background: var(--bg-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,87,184,.1);
}
.contact-form textarea { resize: vertical; min-height: 100px; }
.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--primary);
  flex-shrink: 0;
}
.contact-info-label { font-size: .85rem; color: var(--text-light); margin-bottom: 3px; }
.contact-info-value { font-weight: 600; font-size: 1rem; color: var(--text-dark); }

/* =============================================
   Alert / Notice
   ============================================= */
.alert {
  padding: 14px 18px;
  border-radius: 8px;
  font-size: .92rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}
.alert-info { background: var(--primary-light); color: var(--primary-dark); }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert i { flex-shrink: 0; margin-top: 2px; }

/* =============================================
   Tags / Badges
   ============================================= */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 600;
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-accent { background: #fff7ed; color: var(--accent); }
.badge-success { background: #f0fdf4; color: #166534; }
.badge-warning { background: #fffbeb; color: #92400e; }

/* =============================================
   Page Header (Inner Pages)
   ============================================= */
.page-header {
  background: linear-gradient(135deg, #0a1628 0%, #0d2044 100%);
  color: #fff;
  padding: 70px 0 60px;
}
.page-header h1 { color: #fff; margin-bottom: 12px; }
.page-header p { color: #94a3b8; font-size: 1.1rem; max-width: 600px; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: .88rem;
}
.breadcrumb a { color: #60a5fa; }
.breadcrumb span { color: #64748b; }
.breadcrumb i { color: #64748b; font-size: .7rem; }

/* =============================================
   CTA Banner
   ============================================= */
.cta-banner {
  background: linear-gradient(135deg, var(--accent) 0%, #dc2626 100%);
  color: #fff;
  padding: 64px 0;
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,.85); font-size: 1.1rem; max-width: 550px; margin: 0 auto 32px; }
.cta-banner .btn-white { margin: 0 8px 10px; }
.cta-banner .btn-secondary {
  border-color: rgba(255,255,255,.5);
  color: #fff;
  margin: 0 8px 10px;
}
.cta-banner .btn-secondary:hover { background: rgba(255,255,255,.15); }

/* =============================================
   Footer
   ============================================= */
#site-footer {
  background: #0d1b2e;
  color: #94a3b8;
}
.footer-main { padding: 64px 0 40px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
}
.footer-brand { max-width: 300px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  text-decoration: none;
}
.footer-logo-icon {
  width: 42px;
  height: 42px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
}
.footer-logo-text { font-size: 1.1rem; font-weight: 700; color: #fff; }
.footer-desc { font-size: .9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  font-size: .95rem;
  text-decoration: none;
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-col h5 {
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  color: #94a3b8;
  font-size: .9rem;
  text-decoration: none;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover { color: #60a5fa; }
.footer-links a i { font-size: .7rem; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  margin-bottom: 12px;
}
.footer-contact-item i { color: #60a5fa; margin-top: 3px; flex-shrink: 0; }
.footer-contact-item a { color: #e2e8f0; font-weight: 600; text-decoration: none; }
.footer-contact-item a:hover { color: #60a5fa; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: .85rem; margin: 0; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: #64748b; font-size: .85rem; text-decoration: none; transition: color var(--transition); }
.footer-bottom-links a:hover { color: #94a3b8; }

/* =============================================
   Floating Action Button
   ============================================= */
#floating-cta {
  position: fixed;
  right: 24px;
  bottom: 80px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.float-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 13px 20px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(249,115,22,.45);
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.float-btn:hover {
  background: var(--accent-dark);
  box-shadow: 0 8px 30px rgba(249,115,22,.55);
  transform: translateY(-2px);
  color: #fff;
}
.float-btn i { font-size: 1rem; }
.float-btn-secondary {
  background: var(--primary);
  box-shadow: 0 6px 24px rgba(0,87,184,.35);
}
.float-btn-secondary:hover {
  background: var(--primary-dark);
  box-shadow: 0 8px 30px rgba(0,87,184,.45);
  color: #fff;
}
.float-btn-mini {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  padding: 0;
  justify-content: center;
}

/* =============================================
   Highlight Box
   ============================================= */
.highlight-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  margin: 16px 0;
}
.highlight-box.orange {
  background: #fff7ed;
  border-left-color: var(--accent);
}
.highlight-box h5 { font-size: .95rem; color: var(--primary); margin-bottom: 6px; }
.highlight-box.orange h5 { color: var(--accent-dark); }
.highlight-box p { font-size: .9rem; margin: 0; }

/* =============================================
   Checklist
   ============================================= */
.checklist { list-style: none; padding: 0; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: .95rem;
  color: var(--text-mid);
  border-bottom: 1px solid var(--border);
}
.checklist li:last-child { border-bottom: none; }
.checklist li i { color: var(--success); margin-top: 3px; flex-shrink: 0; }
.checklist li.warn i { color: var(--warning); }
.checklist li.danger i { color: var(--danger); }

/* =============================================
   Tab Component
   ============================================= */
.tab-nav {
  display: flex;
  gap: 6px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }
.tab-btn {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  padding: 12px 20px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  font-family: inherit;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* =============================================
   Toast / Notification
   ============================================= */
#toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .92rem;
  min-width: 280px;
  max-width: 380px;
  animation: slideInRight .3s ease;
}
.toast.success { border-left: 4px solid var(--success); }
.toast.success i { color: var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.error i { color: var(--danger); }
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* =============================================
   Responsive - Tablet
   ============================================= */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .process-steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { max-width: 500px; }
}

/* =============================================
   Responsive - Mobile
   ============================================= */
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-header { margin-bottom: 36px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  #floating-cta { bottom: 16px; right: 16px; }
  .float-btn span { display: none; }
  .float-btn { border-radius: 50%; width: 52px; height: 52px; padding: 0; justify-content: center; }
  .cta-banner { padding: 48px 0; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .page-header { padding: 50px 0 40px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .trust-bar-inner { flex-direction: column; gap: 8px; text-align: center; }
}