/* ==========================================================================
   GEO优化公司 - 网站模板样式
   主题: GEO排名优化 | GEO优化 | GEO公司
   ========================================================================== */

/* ---------- CSS Variables ---------- */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #7c3aed;
  --gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --gradient-dark: linear-gradient(135deg, #1e3a8a 0%, #4c1d95 100%);
  --dark: #0f172a;
  --dark-2: #1e293b;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --bg-light: #f8fafc;
  --bg-card: #ffffff;
  --text: #1e293b;
  --border: #e2e8f0;
  --success: #10b981;
  --warning: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow: 0 4px 14px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 40px rgba(37,99,235,0.15);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-width: 1200px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg-light);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

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

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

/* ---------- Section Spacing ---------- */
.section {
  padding: 100px 0;
}

.section-sm {
  padding: 64px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title .badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(37,99,235,0.1);
  color: var(--primary);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-title p {
  font-size: 17px;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.45);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

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

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-ghost-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.8);
}

/* ---------- Header / Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  object-fit: contain;
  flex-shrink: 0;
}

/* 文本版 logo-icon（无图片时备用） */
.logo-icon-text {
  width: 40px;
  height: 40px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  gap: 36px;
}

.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--dark-2);
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-phone {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  background: var(--gradient-dark);
  padding: 140px 0 100px;
  overflow: hidden;
  color: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.4) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -300px;
  left: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 24px;
  font-size: 14px;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero h1 .highlight {
  background: linear-gradient(90deg, #60a5fa, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
}

.hero-stat .num {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
}

.hero-stat .label {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

/* Hero Visual */
.hero-visual {
  position: relative;
}

.hero-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 28px;
  backdrop-filter: blur(10px);
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.hero-card-header .title {
  font-size: 16px;
  font-weight: 600;
}

.hero-card-header .tag {
  padding: 4px 12px;
  background: rgba(16,185,129,0.2);
  color: #6ee7b7;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.hero-card-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
}

.hero-card-row .label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

.hero-card-row .value {
  font-size: 14px;
  font-weight: 700;
  color: #93c5fd;
}

.hero-card-row .value.up {
  color: #6ee7b7;
}

.hero-card-row .bar {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  margin: 0 16px;
  overflow: hidden;
}

.hero-card-row .bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #60a5fa, #c084fc);
  border-radius: 3px;
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: #fff;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.trust-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}

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

.trust-item .num {
  font-size: 32px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.trust-item .label {
  font-size: 14px;
  color: var(--gray);
  margin-top: 4px;
}

/* ---------- Services Grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
}

.service-card:nth-child(2) .service-icon { background: rgba(124,58,237,0.08); color: var(--secondary); }
.service-card:nth-child(3) .service-icon { background: rgba(16,185,129,0.08); color: var(--success); }
.service-card:nth-child(4) .service-icon { background: rgba(245,158,11,0.08); color: var(--warning); }
.service-card:nth-child(5) .service-icon { background: rgba(239,68,68,0.08); color: #ef4444; }
.service-card:nth-child(6) .service-icon { background: rgba(6,182,212,0.08); color: #06b6d4; }

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 16px;
}

.service-card .features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card .features li {
  font-size: 14px;
  color: var(--dark-2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-card .features li::before {
  content: "\2713";
  color: var(--success);
  font-weight: 700;
}

/* ---------- Why GEO Section ---------- */
.why-geo {
  background: var(--bg-light);
}

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

.why-content h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
}

.why-content > p {
  font-size: 17px;
  color: var(--gray);
  margin-bottom: 28px;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.why-item {
  display: flex;
  gap: 16px;
}

.why-item .icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.why-item h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.why-item p {
  font-size: 14px;
  color: var(--gray);
}

.why-visual {
  position: relative;
}

.why-visual .chart-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.chart-card-header .title {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
}

.chart-card-header .subtitle {
  font-size: 13px;
  color: var(--gray);
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  height: 200px;
  padding: 0 8px;
}

.chart-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.chart-bar .bar-visual {
  width: 100%;
  border-radius: 8px 8px 0 0;
  background: var(--gradient);
  position: relative;
  transition: height 1s ease;
}

.chart-bar .bar-label {
  font-size: 12px;
  color: var(--gray);
}

.chart-bar .bar-value {
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
}

.chart-legend {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  justify-content: center;
}

.chart-legend span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray);
}

.chart-legend .dot-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--gradient);
}

/* ---------- Process Section ---------- */
.process {
  background: #fff;
}

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

.process-grid::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0.2;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step .step-num {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  margin: 0 auto 20px;
  position: relative;
  z-index: 2;
  transition: var(--transition);
}

.process-step:hover .step-num {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  transform: scale(1.05);
}

.process-step h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  color: var(--gray);
  padding: 0 12px;
}

/* ---------- Case Studies ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.case-img {
  height: 200px;
  background: var(--gradient-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.case-img .case-logo {
  font-size: 28px;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
}

.case-img .case-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  background: rgba(255,255,255,0.2);
  color: #fff;
  border-radius: 12px;
  font-size: 12px;
}

.case-body {
  padding: 24px;
}

.case-body .industry {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.case-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.case-body p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 16px;
}

.case-metrics {
  display: flex;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.case-metric .num {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
}

.case-metric .label {
  font-size: 12px;
  color: var(--gray);
}

/* ---------- Stats Section ---------- */
.stats-section {
  background: var(--gradient-dark);
  padding: 80px 0;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stats-grid .stat .num {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(90deg, #60a5fa, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats-grid .stat .label {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
}

/* ---------- CTA Section ---------- */
.cta-section {
  position: relative;
  background: var(--gradient);
  padding: 80px 0;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}

.cta-section p {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  position: relative;
  z-index: 2;
}

.cta-section .btn {
  position: relative;
  z-index: 2;
}

/* ---------- Page Hero (Inner Pages) ---------- */
.page-hero {
  background: var(--gradient-dark);
  padding: 120px 0 80px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}

.page-hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  position: relative;
  z-index: 2;
}

.breadcrumb a:hover {
  color: #fff;
}

/* ---------- About Page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-visual .img-block {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--gradient-dark);
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.about-content h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
}

.about-content p {
  font-size: 16px;
  color: var(--gray);
  margin-bottom: 16px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.value-card {
  text-align: center;
  padding: 40px 24px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.value-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
}

.value-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.value-card p {
  font-size: 14px;
  color: var(--gray);
}

/* Timeline */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: 40px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient);
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}

.timeline-item .year {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}

.timeline-item h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 14px;
  color: var(--gray);
}

/* ---------- Service Detail Page ---------- */
.service-detail {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-detail-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.service-detail-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-detail-card .icon-box {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  margin-bottom: 20px;
}

.service-detail-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-detail-card .desc {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 20px;
}

.service-detail-card .points {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-detail-card .points li {
  font-size: 14px;
  color: var(--dark-2);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.service-detail-card .points li::before {
  content: "\2192";
  color: var(--primary);
  font-weight: 700;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.pricing-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 2px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.pricing-card .popular-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--gradient);
  color: #fff;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.pricing-card .price .unit {
  font-size: 16px;
  color: var(--gray);
  font-weight: 500;
}

.pricing-card .price-desc {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 24px;
}

.pricing-card .features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.pricing-card .features li {
  font-size: 14px;
  color: var(--dark-2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-card .features li::before {
  content: "\2713";
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-item .icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: rgba(37,99,235,0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
}

.contact-info-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 15px;
  color: var(--gray);
}

.contact-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.contact-form h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 28px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark-2);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form .btn {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question .arrow {
  transition: var(--transition);
  color: var(--primary);
  font-size: 18px;
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--gradient);
  color: #fff;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,0.4);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
}

/* ---------- Animations ---------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .hero h1 { font-size: 40px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .process-grid::before { display: none; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .service-detail { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 40px auto 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section-title h2 { font-size: 28px; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow);
    transform: translateY(-150%);
    transition: var(--transition);
  }
  .nav-menu.active {
    transform: translateY(0);
  }
  .nav-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav-phone { display: none; }

  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 32px; }
  .hero-desc { font-size: 16px; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 24px; }

  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  .section { padding: 64px 0; }
  .section-title h2 { font-size: 24px; }
  .cta-section h2 { font-size: 24px; }
  .page-hero h1 { font-size: 30px; }

  .container { padding: 0 16px; }
  .contact-form { padding: 24px; }
}

/* ==========================================================================
   Article Content Styles（文章正文排版）
   ========================================================================== */
.article-content h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--dark);
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}

.article-content h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin: 32px 0 14px;
}

.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
  margin: 24px 0 10px;
}

.article-content p {
  margin-bottom: 16px;
}

.article-content img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  margin: 10px 0;
}

.article-content a {
  color: var(--primary);
  text-decoration: underline;
}

.article-content ul,
.article-content ol {
  margin-bottom: 16px;
  padding-left: 20px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(37,99,235,0.04);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--dark-2);
  font-style: italic;
}

.article-content code {
  background: var(--bg-light);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--secondary);
}

.article-content pre {
  background: var(--dark);
  color: #e2e8f0;
  padding: 20px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 16px 0;
  font-size: 14px;
  line-height: 1.6;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}

.article-content th {
  background: var(--bg-light);
  font-weight: 700;
  color: var(--dark);
}

/* ==========================================================================
   Pagination Styles（分页）
   ========================================================================== */
.pagination a {
  text-decoration: none;
}

.pagination a:hover {
  background: var(--primary);
  color: #fff;
}

/* ==========================================================================
   Hero Homepage Override（首页Hero面包屑隐藏）
   ========================================================================== */
.hero-home {
  padding-top: 160px;
}

/* 首页不显示面包屑区的 page-hero */
.page-hero + .hero-home {
  display: none;
}