/* ==============================
   云果教育 - 企业官网样式
   ============================== */

/* 基础重置 */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2B8FE5;
  --primary-dark: #1870C8;
  --primary-light: #55AEFF;
  --accent: #e8550a;
  --text: #1a1a1a;
  --text-secondary: #555;
  --bg-light: #f0f7ff;
  --bg-white: #ffffff;
  --border: #d0e8ff;
  --shadow: 0 4px 20px rgba(43,143,229,0.12);
  --shadow-lg: 0 8px 40px rgba(43,143,229,0.22);
  --radius: 12px;
  --radius-lg: 20px;
}

html { 
  scroll-behavior: smooth; 
  -webkit-text-size-adjust: 100%;
  touch-action: manipulation;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: #fff;
}

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

/* ======= 导航 ======= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s;
}
.header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo-img {
  height: 36px;
  width: auto;
  display: block;
}
/* Footer中的logo变为白色 */
.logo-img-white {
  filter: brightness(0) invert(1);
}
.logo-icon { font-size: 26px; }
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}
.nav {
  display: flex;
  gap: 8px;
  margin-left: auto;
}
.nav-link {
  padding: 6px 16px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: rgba(43,143,229,0.10);
}
.nav-cta {
  padding: 8px 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.2s;
  flex-shrink: 0;
}
.nav-cta:hover { background: var(--primary-dark); }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  margin-left: auto;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 12px 16px 16px;
  background: #fff;
  border-top: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.mobile-nav.open { display: flex; }
.mobile-nav .nav-link {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  text-align: center;
}
.mobile-nav .nav-link:last-child { border-bottom: none; }
.mobile-nav .nav-cta-mobile {
  display: block;
  margin-top: 12px;
  padding: 12px 24px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
}

@media (max-width: 768px) {
  .nav, .nav-cta { display: none; }
  .menu-toggle { display: flex; font-size: 20px; }
  .nav-container { padding: 0 12px; height: 52px; }
  .logo-img { height: 28px; }
}

/* ======= 按钮 ======= */
.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(43,143,229,0.35);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(43,143,229,0.45);
}
.btn-secondary {
  display: inline-block;
  padding: 14px 32px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.6);
  transition: all 0.2s;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-2px);
}
.btn-outline {
  display: inline-block;
  padding: 13px 30px;
  background: transparent;
  color: var(--primary);
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  border: 2px solid var(--primary);
  transition: all 0.2s;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.btn-lg { padding: 16px 42px; font-size: 18px; }

/* 移动端按钮触摸优化 */
@media (max-width: 768px) {
  .btn-primary, .btn-secondary, .btn-outline, .nav-cta, .form-submit {
    min-height: 44px;
    min-width: 44px;
  }
  .menu-toggle {
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* ======= Hero ======= */
.hero {
  min-height: 100vh;
  background: 
    radial-gradient(ellipse at 20% 80%, rgba(85, 174, 255, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(43, 143, 229, 0.5) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 50%, rgba(124, 196, 255, 0.3) 0%, transparent 60%),
    linear-gradient(135deg, #0f5ab8 0%, #1a6fd0 20%, #2B8FE5 45%, #3da0f0 65%, #55AEFF 85%, #7dc4ff 100%);
  display: flex;
  align-items: center;
  padding: 100px 24px 60px;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1.5' fill='rgba(255,255,255,0.08)'/%3E%3C/svg%3E");
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  top: -200px; right: -100px;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  bottom: -100px; left: -100px;
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  flex: 1;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 100px;
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 20px;
}
.hero-accent {
  color: #fbbf24;
  display: block;
}
.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-desc strong { color: #fbbf24; }
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  display: flex;
  justify-content: center;
  margin-top: 60px;
  position: relative;
  z-index: 1;
}
.hero-card {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-lg);
  padding: 32px 48px;
  display: flex;
  gap: 48px;
  align-items: center;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: 44px;
  font-weight: 800;
  color: #fbbf24;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  white-space: nowrap;
}
.stat-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.2);
}

@media (max-width: 768px) {
  .hero { flex-direction: column; padding: 72px 12px 32px; min-height: auto; }
  .hero-badge { font-size: 11px; padding: 3px 10px; margin-bottom: 12px; }
  .hero-title { font-size: 24px; line-height: 1.25; }
  .hero-desc { font-size: 14px; margin-bottom: 20px; line-height: 1.6; }
  .hero-btns { flex-direction: column; gap: 10px; }
  .hero-btns .btn-primary, .hero-btns .btn-secondary { width: 100%; text-align: center; padding: 10px 20px; font-size: 14px; }
  .hero-visual { margin-top: 24px; }
  .hero-card { flex-direction: column; gap: 12px; padding: 16px 20px; width: 100%; }
  .stat-num { font-size: 28px; }
  .stat-label { font-size: 11px; }
  .stat-divider { width: 50px; height: 1px; }
}

/* ======= Section 通用 ======= */
.section { padding: 90px 24px; }
.container { max-width: 1200px; margin: 0 auto; }
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  padding: 4px 16px;
  background: rgba(43,143,229,0.12);
  color: var(--primary);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
}

/* ======= 痛点 ======= */
.pain-section { background: var(--bg-light); }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}
.pain-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  opacity: 0;
  transform: translateY(24px);
}
.pain-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s, transform 0.5s;
}
.pain-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.pain-icon { font-size: 36px; display: block; margin-bottom: 14px; }
.pain-card h3 { font-size: 16px; color: var(--text); margin-bottom: 8px; }
.pain-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ======= 服务流程 ======= */
.service-section { background: #fff; }
.process-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.process-step {
  flex: 1;
  min-width: 150px;
  max-width: 200px;
  text-align: center;
  padding: 28px 16px;
  background: var(--bg-light);
  border-radius: var(--radius);
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s, transform 0.5s;
}
.process-step.visible { opacity: 1; transform: translateY(0); }
.process-step:hover { background: rgba(43,143,229,0.08); }
.step-num {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-icon { font-size: 36px; margin-bottom: 12px; display: block; }
.process-step h3 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.process-step p { font-size: 13px; color: var(--text-secondary); }
.process-arrow {
  font-size: 24px;
  color: var(--primary);
  opacity: 0.4;
  padding-top: 40px;
  flex-shrink: 0;
}
.service-cta { text-align: center; margin-top: 48px; }

@media (max-width: 768px) {
  .process-arrow { display: none; }
  .process-flow { gap: 8px; flex-direction: column; align-items: center; }
  .process-step { min-width: 100%; max-width: 100%; padding: 16px 16px; }
  .step-num { width: 20px; height: 20px; font-size: 10px; top: -10px; }
  .step-icon { font-size: 24px; margin-bottom: 8px; }
  .process-step h3 { font-size: 13px; margin-bottom: 4px; }
  .process-step p { font-size: 12px; }
  .service-cta { margin-top: 32px; }
}

/* ======= 维度 ======= */
.dim-section { background: var(--bg-light); }
.dim-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 24px;
}
.dim-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  border: 2px solid transparent;
  transition: all 0.3s;
  opacity: 0;
  transform: translateY(20px);
}
.dim-card.visible { opacity: 1; transform: translateY(0); }
.dim-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.dim-icon { font-size: 38px; display: block; margin-bottom: 12px; }
.dim-card h3 { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.dim-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

/* ======= 优势 ======= */
.why-section { background: #fff; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.why-card {
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s;
  opacity: 0;
  transform: translateY(20px);
}
.why-card.visible { opacity: 1; transform: translateY(0); }
.why-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.why-icon { font-size: 36px; display: block; margin-bottom: 16px; }
.why-card h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.why-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ======= 免费福利 ======= */
.free-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 80px 24px;
}
.free-banner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}
.free-left { flex: 1; min-width: 280px; }
.free-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(255,255,255,0.2);
  color: #fbbf24;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
}
.free-left h2 { font-size: 24px; color: #fff; margin-bottom: 20px; }
.free-list { list-style: none; }
.free-list li {
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  margin-bottom: 10px;
  padding-left: 4px;
}
.free-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.free-phone {
  font-size: 22px;
  font-weight: 700;
  color: #fbbf24;
}
.free-wechat { font-size: 13px; color: rgba(255,255,255,0.7); }

/* ======= Footer ======= */
.footer { background: #0e2a52; color: rgba(255,255,255,0.75); padding: 60px 24px 0; }
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo-text { color: #fff; }
.footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.7; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-links, .footer-service {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a, .footer-service span {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }
.footer-contact p { font-size: 14px; margin-bottom: 8px; }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom p + p { margin-top: 4px; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer { padding: 32px 12px 0; }
  .footer-brand p { font-size: 12px; margin-top: 12px; }
  .footer h4 { font-size: 13px; margin-bottom: 8px; }
  .footer-links a, .footer-service span, .footer-contact p { font-size: 12px; }
  .footer-links, .footer-service { gap: 6px; }
  .footer-bottom { padding: 16px 0; font-size: 11px; }
  .free-section { padding: 48px 12px; }
  .free-banner { gap: 16px; flex-direction: column; }
  .free-left h2 { font-size: 18px; margin-bottom: 12px; }
  .free-list li { font-size: 13px; margin-bottom: 6px; }
  .free-phone { font-size: 16px; }
  .free-tag { font-size: 11px; padding: 3px 10px; }
  .section { padding: 36px 12px; }
  .section-header { margin-bottom: 24px; }
  .section-title { font-size: 20px; }
  .section-subtitle { font-size: 13px; }
  .section-tag { font-size: 11px; padding: 3px 12px; }
  .pain-grid, .dim-grid, .why-grid { grid-template-columns: 1fr; gap: 10px; }
  .pain-card, .dim-card, .why-card { padding: 16px 14px; }
  .pain-icon, .dim-icon, .why-icon { font-size: 24px; margin-bottom: 8px; }
  .pain-card h3, .dim-card h3, .why-card h3 { font-size: 14px; margin-bottom: 4px; }
  .pain-card p, .dim-card p, .why-card p { font-size: 12px; }
}

/* ======= 页内通用 ======= */
.page-hero {
  padding: 100px 24px 60px;
  background: linear-gradient(135deg, #1568c8 0%, #2B8FE5 100%);
  text-align: center;
}
.page-hero h1 { font-size: clamp(26px, 4vw, 48px); color: #fff; font-weight: 800; margin-bottom: 14px; }
.page-hero p { font-size: 18px; color: rgba(255,255,255,0.8); }

@media (max-width: 768px) {
  .page-hero { padding: 72px 12px 32px; }
  .page-hero h1 { font-size: 22px; margin-bottom: 8px; }
  .page-hero p { font-size: 13px; }
}

/* ======= 联系页 ======= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info h2 { font-size: 26px; font-weight: 700; margin-bottom: 24px; color: var(--primary); }
.contact-item-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-light);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.ci-icon { font-size: 28px; flex-shrink: 0; }
.ci-label { font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
.ci-value { font-size: 18px; font-weight: 700; color: var(--text); }
.contact-form-box {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}
.contact-form-box h2 { font-size: 22px; font-weight: 700; margin-bottom: 24px; color: var(--text); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
}
.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.form-submit:hover { background: var(--primary-dark); }
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-info h2 { font-size: 18px; margin-bottom: 12px; }
  .contact-item-card { padding: 12px 14px; margin-bottom: 8px; gap: 12px; }
  .ci-icon { font-size: 20px; }
  .ci-label { font-size: 11px; }
  .ci-value { font-size: 14px; }
  .contact-form-box { padding: 20px 14px; }
  .contact-form-box h2 { font-size: 16px; margin-bottom: 14px; }
  .form-group { margin-bottom: 10px; }
  .form-group label { font-size: 12px; margin-bottom: 4px; }
  .form-group input, .form-group select, .form-group textarea { padding: 8px 10px; font-size: 13px; }
  .form-submit { padding: 10px; font-size: 14px; }
}

/* ======= 关于页 ======= */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img-placeholder {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  color: #fff;
}
.about-img-placeholder .big-icon { font-size: 80px; }
.about-img-placeholder p { font-size: 20px; font-weight: 700; }
.about-text h2 { font-size: 32px; font-weight: 700; color: var(--text); margin-bottom: 20px; }
.about-text p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.about-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.about-tag {
  padding: 6px 16px;
  background: rgba(43,143,229,0.12);
  color: var(--primary);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.value-card {
  padding: 32px 24px;
  text-align: center;
  border-radius: var(--radius);
  background: var(--bg-light);
  border: 2px solid transparent;
  transition: all 0.3s;
}
.value-card:hover { border-color: var(--primary); background: #fff; box-shadow: var(--shadow); }
.value-icon { font-size: 40px; display: block; margin-bottom: 14px; }
.value-card h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.value-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
@media (max-width: 768px) {
  .about-intro { grid-template-columns: 1fr; gap: 24px; }
  .about-img-placeholder { height: 160px; }
  .about-img-placeholder .big-icon { font-size: 40px; }
  .about-img-placeholder p { font-size: 14px; }
  .about-text h2 { font-size: 20px; margin-bottom: 12px; }
  .about-text p { font-size: 13px; margin-bottom: 8px; }
  .about-tags { margin-top: 12px; gap: 6px; }
  .about-tag { font-size: 11px; padding: 3px 10px; }
  .values-grid { grid-template-columns: 1fr; gap: 10px; }
  .value-card { padding: 16px 14px; }
  .value-icon { font-size: 28px; margin-bottom: 8px; }
  .value-card h3 { font-size: 13px; margin-bottom: 6px; }
  .value-card p { font-size: 12px; }
}

/* ======= 服务详情页 ======= */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.service-detail-card {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 36px 30px;
  border-left: 4px solid var(--primary);
  transition: all 0.3s;
}
.service-detail-card:hover {
  background: #fff;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.sd-icon { font-size: 40px; margin-bottom: 16px; display: block; }
.service-detail-card h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.service-detail-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; }
.service-detail-card ul { padding-left: 18px; margin-top: 10px; }
.service-detail-card ul li { font-size: 14px; color: var(--text-secondary); margin-bottom: 6px; }
.price-table {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}
.price-table h2 { font-size: 26px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.price-note { color: var(--text-secondary); margin-bottom: 32px; }
.price-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.price-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 2px solid var(--border);
  transition: all 0.3s;
}
.price-card.featured {
  border-color: var(--primary);
  position: relative;
}
.price-card.featured::before {
  content: '推荐';
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 3px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
}
.price-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.price-level { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; }
.price-amount { font-size: 36px; font-weight: 800; color: var(--primary); }
.price-amount span { font-size: 14px; font-weight: 400; }
.price-features { list-style: none; margin: 20px 0; }
.price-features li { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; padding-left: 20px; position: relative; }
.price-features li::before { content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
@media (max-width: 768px) {
  .service-detail-grid { grid-template-columns: 1fr; gap: 12px; }
  .service-detail-card { padding: 16px 14px; border-left-width: 3px; }
  .sd-icon { font-size: 28px; margin-bottom: 10px; }
  .service-detail-card h3 { font-size: 14px; margin-bottom: 8px; }
  .service-detail-card p { font-size: 13px; }
  .service-detail-card ul { margin-top: 8px; padding-left: 14px; }
  .service-detail-card ul li { font-size: 12px; margin-bottom: 4px; }
  .price-table { padding: 20px 14px; }
  .price-table h2 { font-size: 18px; margin-bottom: 4px; }
  .price-note { font-size: 12px; margin-bottom: 20px; }
  .price-cards { grid-template-columns: 1fr; gap: 10px; }
  .price-card { padding: 16px 14px; }
  .price-card.featured::before { font-size: 11px; padding: 2px 12px; top: -10px; }
  .price-level { font-size: 12px; margin-bottom: 4px; }
  .price-amount { font-size: 24px; }
  .price-features { margin: 12px 0; }
  .price-features li { font-size: 12px; margin-bottom: 4px; padding-left: 16px; }
}