*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #fcfcfd;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --radius: 12px;
  --shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-hover: 0 10px 20px rgba(0, 0, 0, 0.12);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text-secondary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid #60a5fa;
  outline-offset: 2px;
  border-radius: 6px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  color: var(--text);
}

.site-logo img {
  height: 44px;
  width: auto;
  display: block;
}

.site-nav { display: flex; gap: 28px; font-size: 16px; align-items: center; }
.site-nav a { color: var(--text-muted); }
.site-nav a:hover { color: var(--text); }
.site-nav .nav-cta {
  background: #0f172a;
  color: #ffffff;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 16px;
}
.site-nav .nav-cta:hover { color: #ffffff; background: #1e293b; }

.page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 42% 70% at 82% 42%, rgba(59, 130, 246, 0.10), transparent 68%),
    radial-gradient(ellipse 36% 48% at 8% -8%, rgba(59, 130, 246, 0.07), transparent 70%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

/* 首屏：三段式（文案 / 卡片 / 按钮）
   留白全部留在卡片外面，卡片内部贴合内容（参考版卡片是靠图片撑高的，我们没图，不照搬高度） */
.page-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 72px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 72px;
}

/* 文案区：限制行宽，右侧留白；三行之间给足呼吸 */
.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 26px;
  max-width: 672px;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}

/* 品牌名做小字领标（h1 里保留品牌词，但视觉上让位给定位语） */
.hero-title-brand {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.09em;
  color: var(--accent);
}

.hero-title-main {
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 650;
  color: #0b1220;
  letter-spacing: -0.035em;
  line-height: 1.14;
  white-space: nowrap;
}

.hero-desc {
  font-size: 19px;
  line-height: 1.85;
  color: var(--text-muted);
  text-wrap: pretty;
}


.content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  scroll-margin-top: 88px;
}

.card:hover { box-shadow: var(--shadow-hover); }

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.card-icon {
  width: 48px;
  height: 48px;
  background: #f8fafc;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text);
}

.card-icon svg { width: 24px; height: 24px; }

.card-title {
  font-weight: 700;
  font-size: 24px;
  color: var(--text);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: 16px;
  text-align: justify;
}

.card-text:last-child { margin-bottom: 0; }

.news-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.news-item:last-child { margin-bottom: 0; }

.news-item h3 {
  font-weight: 400;
  font-size: 16px;
  color: var(--text);
}

.news-item time {
  color: var(--text-muted);
  font-size: 13px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  flex-shrink: 0;
}

.business-grid { display: grid; gap: 24px; }

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

.business-icon {
  width: 40px;
  height: 40px;
  background: #f8fafc;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.business-icon svg { width: 20px; height: 20px; }
.business-icon.blue { color: #2563eb; }
.business-icon.purple { color: #9333ea; }
.business-icon.amber { color: #d97706; }

.business-title {
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  font-size: 16px;
}

.business-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* 荣誉轮播 */
.honor-carousel-wrapper { position: relative; }

.honor-carousel-container {
  overflow: hidden;
  border-radius: var(--radius);
  background: #f8fafc;
}

.honor-carousel {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.honor-slide {
  min-width: 100%;
  display: flex;
  flex-direction: column;
}

.honor-slide-header {
  padding: 16px;
  border-bottom: 1px solid;
  text-align: center;
}

.honor-slide-header.green { background: #dcfce7; border-color: #bbf7d0; }
.honor-slide-header.red { background: #fee2e2; border-color: #fecaca; }
.honor-slide-header.amber { background: #fef3c7; border-color: #fde68a; }
.honor-slide-header.purple { background: #f3e8ff; border-color: #e9d5ff; }
.honor-slide-header.blue { background: #dbeafe; border-color: #bfdbfe; }
.honor-slide-header.yellow { background: #fef9c3; border-color: #fef08a; }
.honor-slide-header.pink { background: #fce7f3; border-color: #fbcfe8; }
.honor-slide-header.teal { background: #ccfbf1; border-color: #99f6e4; }

.honor-slide-title {
  font-weight: 700;
  color: var(--text);
  font-size: 15px;
}

.honor-slide-image {
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.honor-image {
  max-height: 400px;
  max-width: 100%;
  object-fit: contain;
  border-radius: 8px;
}

.honor-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  cursor: pointer;
  z-index: 20;
  transition: background 0.2s;
}

.honor-carousel-btn:hover { background: #f1f5f9; }
.honor-carousel-btn-prev { left: 8px; }
.honor-carousel-btn-next { right: 8px; }
.honor-carousel-btn svg { width: 20px; height: 20px; }

.honor-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.honor-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #cbd5e1;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s;
}

.honor-indicator.active { background: #f59e0b; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px 32px;
  margin-bottom: 24px;
}

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

.contact-label {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 4px;
}

.contact-value {
  color: var(--text);
  font-weight: 700;
  font-size: 15px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
}

.contact-link svg { width: 14px; height: 14px; opacity: 0.7; }

.qrcode-image {
  width: 160px;
  height: 160px;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: white;
  margin-top: 8px;
}

.footer-beian {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #f1f5f9;
  text-align: center;
}

.footer-beian a {
  font-size: 12px;
  color: var(--text-muted);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: white !important;
  padding: 10px 20px;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s;
}

.cta-btn:hover { background: var(--accent-hover); color: white !important; }
.cta-btn:active { transform: scale(0.98); }

.cta-btn svg { width: 16px; height: 16px; }

/* 底部按钮：扁而宽，文字居中，左右留足空间 */
.hero-cta {
  padding: 22px 60px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.22);
}

.hero-cta svg { width: 18px; height: 18px; }

.hero-cta:hover { box-shadow: 0 10px 24px rgba(37, 99, 235, 0.30); }

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #ffffff;
  padding: 14px 16px;
}

.faq-item summary {
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::before {
  content: "+";
  display: inline-block;
  margin-right: 8px;
  color: var(--accent);
  font-weight: 700;
}

.faq-item[open] summary::before { content: "−"; }

.faq-item p {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 8px;
}

.back-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: #0f172a;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.24);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 120;
}

.back-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ==========================================================================
   首屏内容卡片（三张）
   白底 + 蓝色强调色，卡片不使用任何背景图片
   卡片高度、内边距、圆角、标题字号对齐 World Labs 那版的比例
   ========================================================================== */

/* 卡片区：卡片网格与按钮之间保持同样的外部留白 */
.feature-block {
  display: flex;
  flex-direction: column;
  gap: 72px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 260px;
  padding: 30px 26px 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover,
.feature-card:focus-within {
  transform: translateY(-4px);
  border-color: #bfdbfe;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.1);
}

/* 卡片图标与标题同一行，不单独占位 */
.feature-card-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--accent);
}

.feature-card-icon--purple {
  color: #7c3aed;
}

.feature-card-icon--amber {
  color: #d97706;
}

.feature-card-title {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--text);
}

.feature-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-muted);
  text-wrap: pretty;
}

/* 卡内链接：整卡可点（stretched link 手法），链接文字保持可读 */
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
}

/* 铺满整张卡片的点击层：相对 .feature-card 定位，因此 .feature-link 不能是定位元素 */
.feature-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 16px;
}

.feature-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
}

.feature-card:hover .feature-link svg {
  transform: translateX(4px);
}

/* 卡片下方的转化按钮 */
.feature-cta {
  display: flex;
  justify-content: center;
}

/* 原先写在行内 style 里的两处，统一收到样式表 */
.card-icon.honor {
  color: #f59e0b;
}

.footer-copyright {
  margin-top: 8px;
  font-size: 12px;
  color: #94a3b8;
}

@media (max-width: 1100px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* 第三张卡独占一行，避免落单的半宽卡片 */
  .feature-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 980px) {
  .page-hero-inner {
    padding: 56px 24px 64px;
    gap: 56px;
  }

  .hero-copy {
    max-width: none;
  }
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .site-nav { display: none; }
  .card { padding: 24px 20px; }
  .page-hero-inner { padding: 40px 20px 48px; gap: 44px; }

  .hero-title-main { white-space: normal; }

  .feature-grid { grid-template-columns: 1fr; gap: 18px; }
  .feature-card:last-child { grid-column: auto; min-height: auto; }
  .feature-card { min-height: auto; padding: 22px 20px; border-radius: 14px; }
  .feature-card-title { font-size: 21px; }
  .feature-link::after { border-radius: 14px; }

  .feature-cta .cta-btn { width: 100%; justify-content: center; }

  .news-item { flex-direction: column; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  .feature-card,
  .feature-link svg,
  .cta-btn {
    transition: none;
  }

  .feature-card:hover {
    transform: none;
  }
}