/* ============================================
   style.css — 香港验血查男女 网站样式
   ============================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  color: #1a1a2e;
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Typography ---- */
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  transition: all 0.3s;
}
.navbar.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.06); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
	font-size: 2rem;
	font-weight: 900;
	color: #1a1a2e;
	letter-spacing: -0.5px;
	margin-top:10px;
}

.logo img{
max-height:40px;
width:auto;

}


.logo span { color: #2c78be; }

.nav-menu {
  display: flex;
  gap: 4px;
}
.nav-link {
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  color: #555;
  border-radius: 8px;
  transition: all 0.25s;
  position: relative;
}
.nav-link:hover,
.nav-link.active { color: #2c78be; background: rgba(44,120,190,0.06); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: #1a1a2e;
  border-radius: 4px;
  transition: 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ---- Hero ---- */
.hero {
	position: relative;
	min-height: 60vh;
	display: flex;
	align-items: center;
	overflow: hidden;
	padding-top: 100px;
	padding-right: 0;
	padding-bottom: 25px;
	padding-left: 0;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 0% 20%, rgba(44,120,190,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 100% 80%, rgba(26,26,46,0.03) 0%, transparent 70%);
  z-index: 0;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #2c78be;
  background: rgba(44,120,190,0.08);
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  color: #1a1a2e;
}
.hero-sub {
  font-size: 1.15rem;
  color: #666;
  margin-bottom: 36px;
  font-weight: 400;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 40px;
}
.stat-item {
  text-align: center;
  padding: 16px 10px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.04);
  transition: transform 0.3s;
}
.stat-item:hover { transform: translateY(-3px); }
.stat-num {
  font-size: 1.8rem;
  font-weight: 900;
  color: #2c78be;
  font-feature-settings: "tnum";
}
.stat-suffix {
  font-size: 1rem;
  font-weight: 700;
  color: #2c78be;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: #888;
  margin-top: 4px;
}

/* ---- Hero Visual ---- */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}
.dna-helix {
  position: relative;
  width: 200px;
  height: 360px;
}
.dna-strand {
  position: absolute;
  width: 4px;
  height: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 4px;
  background: linear-gradient(180deg, transparent, #2c78be 20%, #569AD8 50%, #2c78be 80%, transparent);
  animation: dnaPulse 3s ease-in-out infinite;
  opacity: 0.3;
}
.dna-strand:nth-child(1) { transform: translateX(-50%) rotate(0deg); height: 100%; }
.dna-strand:nth-child(2) { transform: translateX(-50%) rotate(30deg); height: 90%; top: 5%; }
.dna-strand:nth-child(3) { transform: translateX(-50%) rotate(60deg); height: 80%; top: 10%; }
.dna-strand:nth-child(4) { transform: translateX(-50%) rotate(90deg); height: 70%; top: 15%; }
.dna-strand:nth-child(5) { transform: translateX(-50%) rotate(120deg); height: 80%; top: 10%; }
.dna-strand:nth-child(6) { transform: translateX(-50%) rotate(150deg); height: 90%; top: 5%; }
.dna-strand:nth-child(7) { transform: translateX(-50%) rotate(180deg); height: 100%; }
@keyframes dnaPulse {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.55; }
}

.floating-badge {
  position: absolute;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  animation: floatBadge 4s ease-in-out infinite;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.badge-1 { background: rgba(44,120,190,0.1); color: #2c78be; top: 10%; left: 5%; animation-delay: 0s; }
.badge-2 { background: rgba(26,26,46,0.08); color: #1a1a2e; top: 30%; right: 0; animation-delay: 1s; }
.badge-3 { background: rgba(0,150,136,0.1); color: #009688; bottom: 25%; left: 10%; animation-delay: 2s; }
@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-block;
  padding: 14px 40px;
  background: linear-gradient(135deg, #2c78be, #3c8fdc);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(44,120,190,0.3);
  text-align: center;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(44,120,190,0.4);
}
.btn-sm { padding: 12px 28px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ---- Sections ---- */
.section {
	padding: 60px 0;
}
.section-alt { background: #f8f9fc; }
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-tag {
  display: inline-block;
  padding: 5px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #2c78be;
  background: rgba(44,120,190,0.07);
  border-radius: 100px;
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 12px;
}
.section-desc {
  color: #888;
  font-size: 1rem;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}
.about-card {
  background: #fff;
  padding: 40px 28px;
  border-radius: 20px;
  box-shadow: 0 2px 30px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all 0.35s;
  text-align: center;
}
.about-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.07);
}
.about-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.about-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: #1a1a2e;
}
.about-card p {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.7;
}

/* ---- Principle ---- */
.principle-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.principle-steps {
  position: relative;
  padding-left: 30px;
}
.p-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  position: relative;
}
.p-step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2c78be, #3c8fdc);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}
.p-step-info h4 { font-size: 1rem; margin-bottom: 6px; }
.p-step-info p { font-size: 0.88rem; color: #666; }
.p-step-connector {
  width: 2px;
  height: 24px;
  background: linear-gradient(180deg, #2c78be, transparent);
  margin-left: 21px;
  opacity: 0.4;
}
.principle-text { max-width: 480px; }
.principle-highlight {
  background: linear-gradient(135deg, rgba(44,120,190,0.05), rgba(44,120,190,0.02));
  padding: 30px;
  border-radius: 18px;
  border-left: 4px solid #2c78be;
  margin-bottom: 30px;
}
.principle-highlight h3 { font-size: 1.15rem; margin-bottom: 12px; color: #2c78be; }
.principle-highlight p { font-size: 0.95rem; color: #555; }
.principle-tech h3 { font-size: 1.1rem; margin-bottom: 14px; }
.principle-tech ul { line-height: 2.2; }
.principle-tech li {
  position: relative;
  padding-left: 18px;
  color: #555;
  font-size: 0.9rem;
}
.principle-tech li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #2c78be;
  font-weight: 700;
}

/* ---- Process ---- */
.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.process-card {
  background: #fff;
  padding: 36px 24px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 2px 30px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.04);
  position: relative;
  transition: all 0.3s;
}
.process-card:hover { transform: translateY(-5px); }
.process-icon { font-size: 2.2rem; margin-bottom: 12px; }
.process-num {
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 0.7rem;
  font-weight: 800;
  color: rgba(44,120,190,0.15);
}
.process-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.process-card p { font-size: 0.85rem; color: #666; line-height: 1.6; }
.process-note {
  background: rgba(44,120,190,0.04);
  border: 1px solid rgba(44,120,190,0.12);
  border-radius: 14px;
  padding: 20px 28px;
  font-size: 0.9rem;
  color: #555;
  text-align: center;
}

/* ---- Pricing ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 720px;
  margin: 0 auto;
}
.pricing-card {
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 2px 30px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all 0.35s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover { transform: translateY(-5px); box-shadow: 0 12px 45px rgba(0,0,0,0.08); }
.pricing-featured {
  border-color: rgba(44,120,190,0.2);
  box-shadow: 0 4px 30px rgba(44,120,190,0.08);
  transform: scale(1.04);
}
.pricing-featured:hover { transform: scale(1.04) translateY(-5px); }
.pricing-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 14px;
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(44,120,190,0.08);
  color: #2c78be;
  border-radius: 100px;
}
.pricing-header {
  padding: 36px 28px 20px;
  text-align: center;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.pricing-header h3 { font-size: 1.1rem; margin-bottom: 12px; }
.pricing-price { margin-bottom: 6px; }
.price {
  font-size: 2rem;
  font-weight: 900;
  color: #2c78be;
}
.pricing-header p { font-size: 0.82rem; color: #999; }
.pricing-features {
  padding: 24px 28px;
  flex: 1;
}
.pricing-features li {
  padding: 8px 0;
  font-size: 0.88rem;
  color: #555;
  border-bottom: 1px solid rgba(0,0,0,0.03);
}
.pricing-card .btn-primary { margin: 0 28px 30px; }

/* ---- Notice ---- */
.notice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.notice-card {
  background: #fff;
  padding: 32px;
  border-radius: 20px;
  box-shadow: 0 2px 30px rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all 0.3s;
}
.notice-card:hover { transform: translateY(-3px); }
.notice-icon { font-size: 1.8rem; margin-bottom: 16px; }
.notice-card h3 { font-size: 1rem; margin-bottom: 14px; color: #1a1a2e; }
.notice-card li {
  position: relative;
  padding: 5px 0 5px 18px;
  font-size: 0.88rem;
  color: #555;
  line-height: 1.6;
}
.notice-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #2c78be;
  font-weight: 700;
}

/* ---- Cases ---- */
.cases-slider {
  
  margin: 0 auto;
  overflow: hidden;
}
.cases-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25,0.46,0.45,0.94);
}
.case-card {
  min-width: 100%;
  padding: 40px 36px;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 2px 30px rgba(0,0,0,0.04);
  text-align: center;
  border: 1px solid rgba(0,0,0,0.04);
}
.case-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2c78be, #3c8fdc);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 auto 16px;
}
.case-badge {
  display: inline-block;
  padding: 4px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(0,150,136,0.1);
  color: #009688;
  border-radius: 100px;
  margin-bottom: 14px;
}
.case-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.case-meta { font-size: 0.8rem; color: #999; margin-bottom: 14px; }
.case-text {
  font-size: 0.92rem;
  color: #555;
  line-height: 1.7;
  margin-bottom: 18px;
  font-style: italic;
}
.case-result {
  padding: 10px 18px;
  background: rgba(44,120,190,0.04);
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #2c78be;
}
.cases-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
  cursor: pointer;
  transition: 0.3s;
}
.dot.active { background: #2c78be; width: 28px; border-radius: 10px; }

/* ---- FAQ ---- */
.faq-list { margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.06);
  cursor: pointer;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-weight: 500;
  font-size: 0.95rem;
  color: #1a1a2e;
  transition: 0.3s;
}
.faq-arrow {
  transition: transform 0.3s;
  color: #999;
  font-size: 0.8rem;
}
.faq-item.active .faq-arrow { transform: rotate(180deg); color: #2c78be; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 18px;
}
.faq-answer p { font-size: 0.9rem; color: #666; line-height: 1.7; }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 18px 22px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all 0.3s;
}
.contact-item:hover { transform: translateX(4px); }
.contact-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-item h4 { font-size: 0.9rem; margin-bottom: 2px; }
.contact-item p { font-size: 0.85rem; color: #888; }

.contact-form-wrapper { background: #fff; border-radius: 24px; padding: 36px; box-shadow: 0 2px 30px rgba(0,0,0,0.04); border: 1px solid rgba(0,0,0,0.04); }
.form-group { margin-bottom: 16px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: 0.9rem;
  border: 1px solid #e8e8f0;
  border-radius: 12px;
  background: #f9f9fc;
  transition: 0.3s;
  font-family: inherit;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: #2c78be;
  box-shadow: 0 0 0 3px rgba(44,120,190,0.1);
  background: #fff;
}
.form-group textarea { resize: vertical; }

/* ---- Footer ---- */
.footer {
  background: #1a1a2e;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-content {
  display: grid;
  grid-template-columns: 3.5fr 1.2fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand h3 {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand h3 span { color: #2c78be; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; margin-bottom: 10px; }
.footer-legal {
  font-size: 0.78rem !important;
  color: rgba(255,255,255,0.4);
  padding: 10px 14px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
}
.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: 0.3s;
}
.footer-links a:hover { color: #2c78be; }
.footer-contact p { font-size: 0.85rem; margin-bottom: 8px; }
.footer-qr {
  margin-top: 16px;
  text-align: center;
}
.footer-qr img {
  width: 110px;
  height: 110px;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.06);
  display: block;
  margin: 0 auto 6px;
}
.footer-qr span {
  display: block;
  font-size: 0.75rem;
  color: #bbb;
}
.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

/* ---- WeChat Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  padding: 24px;
}
.modal-content {
  background: #fff;
  border-radius: 24px;
  max-width: 380px;
  width: 100%;
  padding: 40px 32px 36px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.2rem;
  color: #999;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: 0.25s;
  line-height: 1;
}
.modal-close:hover {
  background: rgba(0,0,0,0.04);
  color: #333;
}
.modal-header {
  text-align: center;
  margin-bottom: 28px;
}
.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 6px;
}
.modal-header p {
  font-size: 0.85rem;
  color: #999;
}
.modal-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.modal-qr {
  width: 180px;
  height: 180px;
  background: #f8f9fc;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed #ddd;
  position: relative;
  overflow: hidden;
}
.qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.qr-grid {
  width: 120px;
  height: 120px;
  background:
    linear-gradient(90deg, #1a1a2e 6px, transparent 6px) 0 0 / 30px 30px,
    linear-gradient(0deg, #1a1a2e 6px, transparent 6px) 0 0 / 30px 30px;
  opacity: 0.08;
}
.qr-label {
  font-size: 0.75rem;
  color: #bbb;
}
.modal-id {
  width: 100%;
  text-align: center;
}
.id-label {
  display: block;
  font-size: 0.78rem;
  color: #999;
  margin-bottom: 8px;
}
.id-value-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 10px;
}
.id-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: #07c160;
  letter-spacing: 0.5px;
  user-select: all;
}
.id-copy-btn {
  padding: 8px 20px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #07c160, #06ad56);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}
.id-copy-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(7,193,96,0.35);
}
.id-copy-btn.copied {
  background: linear-gradient(135deg, #009688, #26a69a);
}
.id-hint {
  font-size: 0.75rem;
  color: #bbb;
}

/* ---- Mobile Float Bar ---- */
.mobile-float-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: #fff;
  border-top: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
}
.float-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 8px;
  font-size: 0.7rem;
  color: #888;
  transition: 0.25s;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.float-item:hover { color: #2c78be; }
.float-icon { font-size: 1.3rem; margin-bottom: 2px; }
.float-wechat { color: #07c160; }
.float-phone { color: #2c78be; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .hero-visual { min-height: 280px; }
  .principle-content { grid-template-columns: 1fr; gap: 40px; }
  .principle-text { max-width: 100%; }
  .process-flow { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .pricing-featured { transform: none; }
  .pricing-featured:hover { transform: translateY(-5px); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar { height: auto; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    padding: 16px 24px 24px;
    gap: 2px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    border-bottom: 1px solid rgba(0,0,0,0.04);
    z-index: -1;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-link { padding: 12px 16px; font-size: 0.95rem; }
  .hero { padding: 90px 0 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .hero-visual { display: none; }
  .section { padding: 20px 0; }
  .section-header { margin-bottom: 40px; }
  .about-grid { grid-template-columns: 1fr; }
  .process-flow { grid-template-columns: 1fr; }
  .notice-grid { grid-template-columns: 1fr; }
  .contact-form-wrapper { padding: 24px; }
  .footer-content { grid-template-columns: 1fr; gap: 30px; }
  .mobile-float-bar { display: flex; }
  body { padding-bottom: 60px; }
}

@media (max-width: 480px) {
  .hero-text h1 { font-size: 1.8rem; }
  .hero-sub { font-size: 0.95rem; }
  .stat-num { font-size: 1.4rem; }
  .pricing-card { padding: 0; }
  .pricing-header { padding: 28px 20px 16px; }
  .pricing-features { padding: 18px 20px; }
  .price { font-size: 1.6rem; }
  .case-card { padding: 28px 20px; }
}

/* ---- BREADCRUMB ---- */
.breadcrumb {
  padding: 16px 0;
  background: #fafafa;
  border-bottom: 1px solid rgba(0,0,0,0.03);
  font-size: 0.82rem;
}
.breadcrumb a {
  color: #888;
  text-decoration: none;
}
.breadcrumb a:hover { color: #2c78be; }
.breadcrumb-sep {
  margin: 0 8px;
  color: #ccc;
}
.breadcrumb-current { color: #555; }

/* ---- ARTICLE DETAIL ---- */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}
.detail-main {
  min-width: 0;
}
.detail-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
}
.detail-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.detail-header h1 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #1a1a2e;
  margin: 14px 0 16px;
  line-height: 1.45;
}
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: #999;
}
.detail-body {
  font-size: 0.95rem;
  line-height: 1.9;
  color: #444;
}
.detail-body h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1a1a2e;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(44,120,190,0.1);
}
.detail-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a1a2e;
  margin: 28px 0 10px;
}
.detail-body p { margin-bottom: 14px; }
.detail-body ul, .detail-body ol {
  margin: 12px 0 20px 20px;
}
.detail-body li {
  margin-bottom: 8px;
}
.detail-highlight {
  background: linear-gradient(135deg, rgba(44,120,190,0.05), rgba(44,120,190,0.02));
  padding: 24px;
  border-radius: 14px;
  border-left: 4px solid #2c78be;
  margin: 24px 0;
}
.detail-highlight p {
  margin: 0;
  font-size: 0.92rem;
}
.detail-disclaimer {
  background: #fafafa;
  padding: 20px 24px;
  border-radius: 12px;
  font-size: 0.82rem;
  color: #888;
  margin: 40px 0;
}
.detail-disclaimer p { margin: 0; }
.detail-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid rgba(0,0,0,0.05);
}
.detail-nav-prev, .detail-nav-next {
  flex: 1;
}
.detail-nav-next { text-align: right; }
.nav-label {
  display: block;
  font-size: 0.78rem;
  color: #bbb;
  margin-bottom: 4px;
}
.detail-nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: #2c78be;
  text-decoration: none;
}
.detail-nav a:hover { text-decoration: underline; }

/* ---- Sidebar ---- */

.sidebar-card {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: 0 2px 15px rgba(0,0,0,0.02);
}
.sidebar-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 16px;
}
.sidebar-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-links li { margin-bottom: 2px; }
.sidebar-links a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  color: #555;
  text-decoration: none;
  transition: 0.2s;
}
.sidebar-links a:hover {
  background: rgba(44,120,190,0.05);
  color: #2c78be;
}
.sidebar-relate {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-relate li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.sidebar-relate li:last-child {
  border-bottom: none;
}
.sidebar-relate a {
  color: #555;
  font-size: 0.88rem;
  line-height: 1.5;
  display: block;
  transition: color 0.2s;
}
.sidebar-relate a:hover {
  color: #2c78be;
}
.sidebar-hot {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-hot li { margin-bottom: 4px; }
.sidebar-hot a {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: #555;
  text-decoration: none;
  transition: 0.2s;
}
.sidebar-hot a:hover {
  background: rgba(44,120,190,0.05);
  color: #1a1a2e;
}
.hot-num {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(44,120,190,0.08);
  color: #2c78be;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sidebar-cta {
  text-align: center;
  background: linear-gradient(135deg, #fef6f8, #fff);
  border: 1px solid rgba(44,120,190,0.1);
}
.sidebar-cta p { font-size: 0.85rem; color: #666; margin-bottom: 10px; }
.sidebar-wechat {
  font-size: 0.9rem;
  color: #1a1a2e;
  margin-bottom: 16px;
}
.sidebar-wechat strong { color: #2c78be; }

/* ---- RELATED ARTICLES ---- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: 18px;
  padding: 32px 24px;
  text-align: center;
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: 0 2px 20px rgba(0,0,0,0.03);
  transition: all 0.35s;
  cursor: pointer;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 35px rgba(0,0,0,0.06);
}
.related-icon { font-size: 2.2rem; margin-bottom: 16px; }
.related-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 10px;
}
.related-card p {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.6;
  margin: 0;
}

/* ---- CTA BANNER ---- */
.cta-banner {
  padding: 60px 0;
  background: linear-gradient(135deg, #2c78be, #3c8fdc);
  text-align: center;
  /* 向上偏移，吃掉上方白色空白 */
margin-bottom: -28px;
}
.cta-banner-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.cta-banner-content p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
}
.cta-banner .btn-primary {
  background: #fff;
  color: #2c78be;
  border: none;
}
.cta-banner .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
}
.seo-dropdown-header { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 0; cursor: pointer; user-select: none; }
    .seo-dropdown-header h3 { font-size: 0.8rem; color: #8aa8c0; font-weight: 400; }
    .seo-dropdown-header .arrow { transition: transform 0.3s ease; color: #6a8fa0; font-size: 0.7rem; }
    .seo-dropdown-header.active .arrow { transform: rotate(180deg); }
    .seo-dropdown-body { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
    .seo-dropdown-body.open { max-height: 800px; padding-bottom: 10px; }
    .seo-dropdown-grid { display: grid; grid-template-columns: 1fr; gap: 10px; max-width: 960px; margin: 0 auto; }
    .seo-dropdown-col h4 { font-size: 0.72rem; color: #8aa8c0; margin-bottom: 6px; padding-bottom: 3px; border-bottom: 1px solid rgba(255,255,255,0.1); font-weight: 400; }
    .seo-dropdown-col ul { list-style: none; padding: 0; margin: 0; }
    .seo-dropdown-col ul li { display: inline-block; margin-right: 3px; }
    .seo-dropdown-col ul li a { font-size: 0.68rem; color: #7a95a8; padding: 1px 4px; display: inline-block; white-space: nowrap; text-decoration: none; }
    .seo-dropdown-col ul li a:hover { color: #b0d0e0; }
    .seo-dropdown-col .more-link { font-size: 0.68rem; color: #8aa8c0; display: inline-block; margin-top: 3px; text-decoration: none; }
    .seo-dropdown-col .more-link:hover { color: #b0d0e0; }
    .seo-dropdown-article-list li { display: block !important; margin-right: 0 !important; }
    .seo-dropdown-article-list li a { display: block !important; white-space: normal !important; padding: 2px 0 !important; font-size: 0.68rem; color: #7a95a8; }
    .seo-dropdown-article-list li a::before { content: "· "; color: #8aa8c0; }
    .seo-dropdown-article-list li a:hover { color: #b0d0e0; }
    @media (min-width: 769px) { .seo-dropdown-grid { grid-template-columns: 1fr 1.4fr 1fr; } }
    @media (max-width: 768px) {
      .seo-dropdown-grid { grid-template-columns: 1fr 1fr 1fr; }
      .seo-dropdown-col h4 { font-size: 0.65rem; }
      .seo-dropdown-col ul li a { font-size: 0.6rem; padding: 1px 2px; }
    }
	
	
	.jdxm_bt>strong,.zssp_bt>strong,.jdzs_bt>strong,.jdphb strong{position:relative;padding-bottom:10px;width:85%;font-family:'思源黑体 CN';border-bottom:1px solid #dfdfdf}

.jdxm_bt>strong::before,.zssp_bt>strong::before,.jdzs_bt>strong::before,.jgck_bt strong::before,.jdphb strong::before{content:'';position:absolute;bottom:0;height:2px;width:100%;background-color:#2c78be}

.jgck_bt>i{display:inline-block;font-style:normal;width:105px;height:20px;line-height:20px}
.jgck_bt>i:nth-of-type(1)::before{content:"\e687";margin-right:5px;color:#2c78be}
.jgck_bt>i:nth-of-type(2)::before{content:"\e61d";margin-right:5px;color:#2c78be}
.jgck_bt>i:nth-of-type(3)::before{content:"\e620";margin-right:5px;color:#2c78be}
.jgck_nr{width:1200px;height:480px;margin:0 auto}
.jgck_bg{display:inline-block;width:780px;height:480px;box-sizing:border-box;border-radius:6px;position:relative}
.jgck_bg table{position:absolute;bottom:0;top:0;left:0;right:0;margin:0 auto;width:100%;border-collapse:separate;border-spacing:2px}
.jgck_bg td,.jgck_bg th{width:183px;height:50px;font-size:14px;box-sizing:border-box;color:#fff;background-color:#2c78be;text-align:center}
.last_tr>td{text-align:start;padding:20px 14px 18px 20px;position:relative}
.last_tr>td>span{position:absolute;top:20px;left:20px}
.last_tr>td>p{padding-left:50px}
.jgck_cl{width:400px;height:409px;background-color:#fff;float:right}
.jgck_cl>p{display:block;font-size:24px;height:35px;padding:20px 0  0 20px;padding-bottom:23px}
.cl_nr{width:400px;height:360px;display:flex;flex-wrap:wrap;justify-items:center;justify-content:space-around}
.cl_nr>a{display:block;width:105px;height:83px;margin:0 auto;text-align:center;cursor:auto;}
.cl_nr> a>img{width:50px;height:50px;border-radius:50%;border:0.5px solid #ccc}
.cl_nr> a>p{color:rgba(16,16,16,100);font-size:14px}
.jgck_cl>a{display:block;width:223px;height:40px;line-height:40px;background-color:#2c78be;text-align:center;margin:0 auto;margin-top:18px;color:#fff;font-size:14px}
.jdxm{background-color:#fff;margin-top:10px;overflow:hidden;margin-bottom:30px;padding:20px 0;position:position}
.jdxm_nr{width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between}
.jdxm_nr_list{height:0;overflow:auto}
.jdxm_nr_list:nth-of-type(1){height:auto;overflow:visible}
.jdxm_bt{width:1200px;margin:0 auto;margin-bottom:20px;margin-top:20px}
.jdxm_bt>strong{display:inline-block;margin-right:20px;width:auto;height:44px;line-height:44px;font-size:26px}
.jdxm_bt>i{display:inline-block;font-style:normal;width:105px;height:20px;line-height:20px}
.jdxm_bt>i:nth-of-type(1)::before{content:"\e687";margin-right:5px;color:#2c78be}
.jdxm_bt>i:nth-of-type(2)::before{content:"\e61d";margin-right:5px;color:#2c78be}
.jdxm_bt>i:nth-of-type(3)::before{content:"\e620";margin-right:5px;color:#2c78be}
.jdxm_bt_span span,.jdxm_bt span + em{font-size:12px}
.jdxm_bt_span{margin-bottom:30px;margin-top:10px}
.jdxm_bt_span strong{margin-right:40px}
.jdxm_bt_span span{display:inline-block;padding:8px 16px;box-sizing:border-box;cursor:pointer;border:1px solid #ddd}
.jdxm_bt_span .sel_span{border-color:#2c78be;color:#fff;background-color:#2c78be}
.jdxm_bt_span span:first-child{border-radius:3px 0 0 3px}
.jdxm_bt_span span:last-child{border-left:none;border-radius:0 3px 3px 0}
.jdxm_x{width:32%;padding:10px;box-sizing:border-box;position:relative;margin-bottom:20px;border:1px solid #eee}
.jdxm_x:nth-of-type(4n-2){margin-left:0}
.jdxm_x >span{position:absolute;top:10px;right:10px;display:block;padding:0 5px;height:22px;font-size:12px;line-height:22px;background:linear-gradient(to top,rgb(235,196,134),rgba(250,228,193));text-align:center;border-radius:2px;color:#93652a}
.jdxm_x>a>img{display:block;width:100%;height:240px}
.bj{padding:10px;box-sizing:border-box;width:100%;line-height:20px;}
.bj button{
	padding:5px 10px;
	background-color:#2c78be;
	color:#fff;
	border-radius:4px;
	cursor:pointer;
}
.bj>a{display:block;text-align:center;font-size:15px;font-weight:700;color:#333}
.bj>p{display:flex;justify-content:space-between;margin-top:15px;width:100%;font-size:13px;color:#999;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bj>span{display:flex;align-items:center;justify-content:space-between;margin-top:20px;font-size:12px;color:#555}
.bj>span>strong{
	width:130px;
	display:inline-block;
	font-size:20px;
	color:red;
	white-space:nowrap;
	overflow:hidden
}
.bj font{font-size:12px;color:#888}
.bj>span>i{margin-right:5px;font-style:normal;font-size:14px;padding-left:70px;color:#555}
.bj>span>i::before{content:"\e661"}


/* ======手机端适配 屏幕小于768px 1列布局====== */
@media (max-width:768px){
    .jdxm_nr{
        width:100%;
        padding:0 15px;
    }
    .jdxm_bt{
        width:100%;
        padding:0 15px;
        box-sizing:border-box;
    }
    /* 列表项改成100%宽度，一列一个 */
    .jdxm_x{
        width:100% !important;
        margin-bottom:16px;
    }
    /* 图片高度自适应，不要固定240px，避免图片拉伸 */
    .jdxm_x>a>img{
        height:auto;
    }
    .jdxm_bt>strong{
        font-size:20px;
        height:auto;
        line-height:1.4;
    }
    .jdxm_bt_span span{
        padding:6px 10px;
        font-size:12px;
    }
    /* 价格按钮一行放不下，换行处理 */
    .bj>span{
        flex-wrap:wrap;
        gap:10px;
    }
    .bj>span>strong{
        width:auto;
    }
    .bj>span>i{
        padding-left:0;
    }
}

/* PC端这里不需要写#a1样式，PC不会输出#a1这个DOM */
@media (max-width:768px){
    #a1{
        width:100%;
        height:260px !important;
    }
}