/* ============================================================
   路路赢AI 首页样式（由静态页面 style 内联样式抽取，原样保留）
   说明：本文件通过 {eyou:static file="skin/style/home.css" /} 引入
   ============================================================ */

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #1a1a2e;
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ===== Color System ===== */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --accent: #06b6d4;
  --accent-dark: #0891b2;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --text-1: #0f172a;
  --text-2: #334155;
  --text-3: #64748b;
  --text-4: #94a3b8;
  --bg-1: #ffffff;
  --bg-2: #f8fafc;
  --bg-3: #f1f5f9;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-blue: 0 8px 30px rgba(37,99,235,0.25);
  --shadow-blue-lg: 0 12px 40px rgba(37,99,235,0.35);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e40af 100%);
  --gradient-blue: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --gradient-blue-soft: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  --gradient-card: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --max-width: 1200px;
}

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

/* ===== Section Common ===== */
.section { padding: 80px 0; }
.section-bg { background: var(--bg-2); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-50);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-3);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-blue);
  color: #fff;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue-lg);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
}
.btn-ghost {
  background: var(--primary-50);
  color: var(--primary);
}
.btn-ghost:hover {
  background: var(--primary-100);
  transform: translateY(-1px);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}
.nav.scrolled {
  box-shadow: var(--shadow-md);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
}
.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}
.nav-logo-text span { color: var(--primary); }
/* CMS 图片LOGO */
.nav-logo img { height: 40px; width: auto; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
  position: relative;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}
.nav-menu a:hover { color: var(--primary); }
.nav-menu a:hover::after { width: 100%; }
.nav-menu a.active { color: var(--primary); }
.nav-menu a.active::after { width: 100%; }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-btn {
  padding: 8px 20px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}
.nav-btn-login {
  background: transparent;
  color: var(--text-2);
}
.nav-btn-login:hover { color: var(--primary); }
.nav-btn-register {
  background: var(--gradient-blue);
  color: #fff;
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}
.nav-btn-register:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37,99,235,0.4);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 140px 0 100px;
  background: var(--gradient-hero);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: #93c5fd;
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(96,165,250,0.3);
  padding: 8px 20px;
  border-radius: 24px;
  margin-bottom: 24px;
  animation: fadeInDown 0.8s ease;
}
.hero-title {
  font-size: 56px;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero-title span {
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 64px;
  animation: fadeInUp 0.8s ease 0.3s both;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
  animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-stat {
  text-align: center;
}
.hero-stat-num {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}
.hero-stat-num span { color: var(--accent); }
.hero-stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

/* ===== Courses ===== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.course-card {
  background: var(--bg-1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  border: 1px solid var(--border);
}
.course-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-100);
}
.course-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.course-card:hover .course-card-img {
  transform: scale(1.05);
}
.course-card-img-wrap {
  overflow: hidden;
  position: relative;
}
.course-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: rgba(37,99,235,0.85);
  backdrop-filter: blur(4px);
  padding: 6px 14px;
  border-radius: 16px;
}
.course-card-body {
  padding: 28px;
}
.course-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
  transition: color 0.2s;
}
.course-card:hover .course-card-title { color: var(--primary); }
.course-card-desc {
  font-size: 15px;
  color: var(--text-3);
  margin-bottom: 20px;
  line-height: 1.7;
}
.course-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--text-3);
  padding-top: 20px;
  border-top: 1px solid var(--border);
  justify-content: space-between;
}
.course-card-meta-left {
  display: flex;
  gap: 16px;
}
.course-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.2s;
}
.course-card-link:hover { color: var(--primary-dark); }

.courses-more {
  text-align: center;
  margin-top: 48px;
}

/* ===== Steps / Growth Path ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-100), var(--primary), var(--accent), var(--primary-100));
  z-index: 0;
}
.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--primary-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}
.step-card:hover .step-num {
  background: var(--gradient-blue);
  color: #fff;
  border-color: var(--primary);
  transform: scale(1.1);
  box-shadow: var(--shadow-blue);
}
.step-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}
.step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
}
.step-desc {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.7;
  padding: 0 12px;
}

/* ===== Advantages ===== */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.adv-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.adv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}
.adv-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 18px;
  background: var(--gradient-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  transition: all 0.3s ease;
}
.adv-card:hover .adv-icon {
  background: var(--gradient-blue);
  transform: scale(1.1);
}
.adv-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
}
.adv-desc {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.7;
}

/* ===== News ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}
.news-card-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-card-date {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.news-card-day {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.news-card-month {
  font-size: 13px;
  color: var(--text-4);
}
.news-card-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-dark);
  background: rgba(6,182,212,0.1);
  padding: 4px 12px;
  border-radius: 12px;
  margin-bottom: 16px;
  align-self: flex-start;
}
.news-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
  line-height: 1.5;
  transition: color 0.2s;
}
.news-card:hover .news-card-title { color: var(--primary); }
.news-card-desc {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.7;
  flex: 1;
}

/* ===== Testimonials ===== */
.test-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.test-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  position: relative;
}
.test-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}
.test-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 28px;
  font-size: 60px;
  color: var(--primary-100);
  font-family: Georgia, serif;
  line-height: 1;
}
.test-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.test-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}
.test-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 4px;
}
.test-info p {
  font-size: 13px;
  color: var(--text-3);
}
.test-quote {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 20px;
}
.test-stars {
  color: var(--warning);
  font-size: 16px;
  letter-spacing: 2px;
}

/* ===== Partners ===== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.partner-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  cursor: pointer;
}
.partner-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.partner-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--gradient-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
  transition: all 0.3s;
}
.partner-card:hover .partner-icon {
  background: var(--gradient-blue);
  color: #fff;
}
.partner-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  line-height: 1.4;
}

/* ===== CTA ===== */
.cta {
  position: relative;
  padding: 80px 0;
  background: var(--gradient-hero);
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.cta-title {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.cta-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* ===== Footer ===== */
.footer {
  background: #0f172a;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand {
  max-width: 320px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}
.footer-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 24px;
}
.footer-contact {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: #fff;
  font-weight: 600;
}
.footer-contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(37,99,235,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.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: color 0.2s;
}
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
  text-align: center;
  padding: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ===== Consult Banner ===== */
.consult-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(8px);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
.consult-bar.show { transform: translateY(0); }
.consult-bar-text {
  color: #fff;
  font-size: 15px;
  font-weight: 500;
}
.consult-bar-close {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.consult-bar-close:hover { background: rgba(255,255,255,0.2); }

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .courses-grid, .news-grid, .test-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .steps-grid::before { display: none; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .footer-grid .footer-col:last-child { grid-column: 1 / -1; }
  .hero-title { font-size: 44px; }
  .section-title { font-size: 30px; }
}

@media (max-width: 768px) {
  .nav-menu, .nav-actions { display: none; }
  .nav-menu.mobile-open, .nav-actions.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border);
  }
  .nav-actions.mobile-open { top: auto; }
  .nav-toggle { display: flex; }

  .hero { padding: 120px 0 80px; }
  .hero-title { font-size: 32px; }
  .hero-desc { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; justify-content: center; }
  .hero-stats { flex-wrap: wrap; gap: 32px; }
  .hero-stat-num { font-size: 32px; }

  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .section-desc { font-size: 14px; }

  .courses-grid, .news-grid, .test-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .adv-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 280px; justify-content: center; }
  .cta-title { font-size: 26px; }

  .consult-bar { flex-direction: column; gap: 8px; padding: 16px 48px; text-align: center; }
}

@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 26px; }
  .hero-stat-num { font-size: 28px; }
  .section-title { font-size: 22px; }
  .container { padding: 0 16px; }
}

/* ============================================================
   以下为 EyouCMS 商城购买组件（{eyou:sppurchase}）补充样式。
   原静态页面无商城组件，此段为适配 CMS 购买功能新增，非删减。
   注：{eyou:sppurchase} 标签会自动加载 public/static/common/css/shopcart.css，
   其中 .btn 会覆盖本站 CTA 按钮，故用高优先级选择器纠正。
   ============================================================ */

/* 商品规格 */
.ey-spec { margin: 20px 0; }
.ey-spec-item { display: flex; align-items: flex-start; margin-bottom: 16px; }
.ey-spec-name { min-width: 72px; font-size: 14px; color: #64748b; line-height: 34px; flex-shrink: 0; }
.ey-spec-values { display: flex; flex-wrap: wrap; gap: 10px; }
.ey-spec-values .btn-selected {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #fff;
  color: #334155;
  font-size: 14px;
  line-height: 1.5;
  cursor: pointer;
  transition: all 0.2s;
}
.ey-spec-values .btn-selected:hover { border-color: #2563eb; color: #2563eb; }
.ey-spec-values .btn-selected.btn-danger { border-color: #2563eb; color: #2563eb; background: #eff6ff; }

/* 数量 */
.ey-number { margin: 8px 0; }

/* 防止商城 shopcart.css 的 .btn 影响全站 CTA 按钮 */
.btn.btn-primary { background: var(--gradient-blue); color: #fff; box-shadow: var(--shadow-blue); }
.btn.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-blue-lg); }
.btn.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.4); }
.btn.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.8); }
.btn.btn-ghost { background: var(--primary-50); color: var(--primary); }
.btn.btn-ghost:hover { background: var(--primary-100); }

/* ===== 产品列表页 / 详情页 通用（配合 home.css 设计体系） ===== */
.page-banner {
  background: var(--gradient-hero);
  padding: 120px 0 60px;
  text-align: center;
  color: #fff;
}
.page-banner h1 { font-size: 40px; font-weight: 800; margin-bottom: 12px; }
.page-banner .breadcrumb { font-size: 14px; color: rgba(255,255,255,0.7); }
.page-banner .breadcrumb a { color: rgba(255,255,255,0.85); }
.page-banner .breadcrumb a:hover { color: #fff; }
.page-body { padding: 60px 0 80px; }

/* 产品详情页布局 */
.product-detail {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: flex-start;
}
.product-detail-gallery { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.product-detail-info h1 { font-size: 28px; font-weight: 800; color: var(--text-1); margin-bottom: 16px; }
.product-detail-desc { font-size: 15px; color: var(--text-3); line-height: 1.8; margin-bottom: 20px; }
.product-detail-price {
  padding: 16px 20px;
  background: var(--primary-50);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--text-2);
  margin-bottom: 8px;
}
.product-content {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-top: 40px;
  line-height: 1.8;
  color: var(--text-2);
}
.product-content img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }

/* ============================================================
   CMS 登录弹窗 + 登录后头像（兼容 pintuer 组件，原 CMS 风格）
   原静态页无此组件，此处补齐样式，z-index 高于导航(1000)
   ============================================================ */

/* --- 弹窗遮罩与容器 --- */
.dialog-mask { position: fixed; left: 0; top: 0; right: 0; bottom: 0; background: #121212; z-index: 2000; opacity: .5; }
.dialog-win { z-index: 2001 !important; }
.dialog { border: 1px solid #EBEBEB; box-shadow: 0 3px 9px rgba(0,0,0,0.5); border-radius: 6px; background-color: #fff; display: none; }
.dialog.open { display: block; }
.dialog .dialog-head { padding: 10px 20px; border-bottom: 1px solid #EBEBEB; background-color: #f5f5f5; border-radius: 6px 6px 0 0; }
.dialog .dialog-head .close { float: right; line-height: 24px; }
.dialog .dialog-body { padding: 15px 20px; }
.close { display: inline-block; font-size: 28px; cursor: pointer; line-height: 28px; }
.close:before { content: "\00d7"; }

/* --- 表单控件 --- */
.form-group { padding-bottom: 10px; }
.field { position: relative; }
.input { font-size: 14px; padding: 6px; border: 1px solid #EBEBEB; width: 100%; height: 34px; line-height: 20px; display: block; border-radius: 4px; -webkit-appearance: none; box-shadow: 0 1px 1px rgba(0,0,0,0.075) inset; box-sizing: border-box; }
.input:focus { border-color: var(--primary); outline: none; }
.input-group { border-collapse: separate; display: table; position: relative; width: 100%; }
.input-group .addon, .input-group .input { display: table-cell; }
.input-group .addon { width: 1%; white-space: nowrap; vertical-align: middle; background-color: #f5f5f5; border: 1px solid #EBEBEB; border-radius: 4px 0 0 4px; line-height: 1; padding: 0 6px; text-align: center; }
.input-group .addon img { height: 32px; vertical-align: middle; cursor: pointer; }
.input-group .input { width: 100%; border-radius: 0 4px 4px 0; }

/* --- 按钮 --- */
.button { border: 1px solid #EBEBEB; background: transparent; border-radius: 4px; font-size: 14px; padding: 8px 20px; margin: 0; display: inline-block; line-height: 20px; cursor: pointer; transition: all .3s; }
.button-block { display: block; width: 100%; }
.button-large { padding: 12px 30px; font-size: 16px; line-height: 24px; }
.bg-yellow { background-color: #3b82f6; }
.text-white { color: #fff; }
.border-none { border: 0; }
.radius-none { border-radius: 0; }
.button.bg-yellow { color: #fff; }
.button.bg-yellow:hover { background-color: #FCB319; border-color: #FCB319; }

/* --- 登录表单 Tab --- */
.register .tab { font-size: 0; }
.register .tab ul { padding: 0; margin: 0; }
.register .tab li { cursor: pointer; display: inline-block; position: relative; font-size: 18px; width: 100%; color: #666; margin: 0 0 24px 0; text-align: center; }
.register .tab li.cur { color: var(--primary); }

/* --- 工具类 --- */
.blank { height: 10px; line-height: 10px; clear: both; font-size: 0; }
.blank-small { height: 20px; line-height: 20px; clear: both; font-size: 0; }
.blank-middle { height: 30px; line-height: 30px; clear: both; font-size: 0; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-middle { font-size: 16px; }
.text-main { color: #383838; }
.margin-top { margin-top: 10px; }

/* --- 登录后头像 / 下拉菜单 --- */
.log-in { display: flex; align-items: center; gap: 12px; }
.log-in .button-group { position: relative; display: inline-block; vertical-align: middle; }
.log-in a.user-head { width: 32px; height: 32px; overflow: hidden; display: block; border-radius: 50%; }
.log-in a.user-head img { width: 32px; height: 32px; display: block; }
.radius-circle { border-radius: 50%; }
.log-in .drop-menu { position: absolute; top: 100%; right: 0; display: none; min-width: 110px; padding: 5px 0; margin-top: 10px; background: #fff; border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow-lg); z-index: 2000; }
.log-in .drop-menu ul { padding: 0; margin: 0; }
.log-in .drop-menu li { list-style: none; }
.log-in .drop-menu li a { display: block; padding: 8px 16px; font-size: 14px; color: var(--text-2); white-space: nowrap; }
.log-in .drop-menu li a:hover { background: var(--bg-3); color: var(--primary); }

/* --- 第三方登录（可选，若后台启用） --- */
.register .bnt-login { margin: 12px auto 0; text-align: center; }
.register .bnt-login a { display: inline-block; color: #fff; font-size: 20px; width: 40px; height: 40px; text-align: center; line-height: 40px; margin-right: 10px; border-radius: 50%; }
.register .bnt-login a:hover { opacity: .8; }
.register .bnt-login a.weixin { background: #38B624; }
.register .bnt-login a.qq { background: #1F92DF; }
.register .bnt-login a.weibo { background: #FF6000; }