/* ============================================
   深业晋展官网 - 品牌样式表 v3.0 (Desktop)
   ============================================ */

:root {
  --primary: #182ca7;
  --primary-light: #eef2ff;
  --primary-dark: #0f1d70;
  --accent: #ff8500;
  --accent-light: #fff3e6;
  --text: #1a1a2e;
  --text-secondary: #5a6677;
  --text-light: #8892a4;
  --white: #ffffff;
  --bg-light: #f6f8fb;
  --border: #e2e6ee;
  --radius: 12px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text); line-height: 1.8; background: var(--white);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }

/* --- 容器 --- */
.container-narrow { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.section { padding: 80px 0; }
.section--alt { background: var(--bg-light); }
.section-label {
  display: inline-block; background: var(--primary-light); color: var(--primary);
  padding: 6px 18px; border-radius: 24px; font-size: 0.8rem; font-weight: 600; margin-bottom: 20px;
}
.section-title { font-size: 1.6rem; font-weight: 700; color: var(--text); margin-bottom: 16px; }
.section-title--lg { font-size: 1.8rem; }
.section-text { font-size: 1rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 36px; }
.section-note { font-size: 0.85rem; color: var(--text-light); margin-top: 16px; }
.section-label--light { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7); }
.section-title--light { color: var(--white); }
.section-text--light { color: rgba(255,255,255,0.7); }

/* --- 页头 --- */
.header {
  position: fixed; top: 0; left: 0; right: 0; height: 72px;
  background: var(--white); border-bottom: 1px solid var(--border); z-index: 1000;
  display: flex; align-items: center;
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 32px;
}
.header__logo { display: flex; align-items: center; }
.header__nav { display: flex; align-items: center; gap: 28px; list-style: none; }
.header__nav a { color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; }
.header__nav a:hover { color: var(--primary); }
.header__nav a.active { color: var(--primary); }
.header__menu-btn { display: none; background: none; border: none; cursor: pointer; width: 32px; height: 32px; position: relative; }
.header__menu-btn span { display: block; width: 24px; height: 2px; background: var(--text); position: absolute; left: 4px; transition: var(--transition); }
.header__menu-btn span:nth-child(1) { top: 6px; }
.header__menu-btn span:nth-child(2) { top: 15px; }
.header__menu-btn span:nth-child(3) { top: 24px; }

/* --- Hero --- */
.hero {
  margin-top: 72px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white); padding: 80px 0;
}
.hero__inner {
  display: grid; grid-template-columns: 1fr 400px; gap: 60px;
  max-width: 1100px; margin: 0 auto; padding: 0 32px; align-items: center;
}
.hero__en { font-size: 0.8rem; letter-spacing: 2px; color: rgba(255,255,255,0.5); margin-bottom: 20px; }
.hero__title { font-size: 2.6rem; font-weight: 700; line-height: 1.3; margin-bottom: 16px; }
.hero__subtitle { font-size: 1.2rem; font-weight: 500; color: rgba(255,255,255,0.9); margin-bottom: 20px; }
.hero__desc { font-size: 0.95rem; line-height: 1.8; color: rgba(255,255,255,0.7); margin-bottom: 32px; }
.hero__btns { display: flex; gap: 12px; }
.hero__btns .btn--white { background: var(--white); color: var(--primary); border: 2px solid var(--white); }
.hero__btns .btn--white:hover { background: rgba(255,255,255,0.9); color: var(--primary); }
.hero__btns .btn--accent { background: var(--accent); color: var(--white); border: 2px solid var(--accent); }
.hero__btns .btn--accent:hover { background: #e67700; border-color: #e67700; color: var(--white); }

.hero__right {
  display: flex; flex-direction: column; gap: 12px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg); padding: 24px 28px;
}
.hero__right-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; border-radius: var(--radius);
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  transition: background var(--transition);
}
.hero__right-item:hover { background: rgba(255,255,255,0.12); }
.hero__right-item span { font-size: 0.95rem; font-weight: 500; }
.hero__right-item em { font-size: 0.85rem; color: rgba(255,255,255,0.4); font-style: normal; }

/* --- 流程链动画 --- */
.flow-chain {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 6px; margin: 32px 0 40px;
}
.flow-chain__item {
  background: var(--primary-light); color: var(--primary);
  padding: 10px 18px; border-radius: 8px; font-size: 0.88rem; font-weight: 600;
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.flow-chain__arrow {
  color: var(--accent); font-size: 1.1rem; font-weight: 700;
  opacity: 0; transform: translateX(-8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
#flowChain.visible .flow-chain__item,
#flowChain.visible .flow-chain__arrow {
  opacity: 1; transform: translateY(0) translateX(0);
}
#flowChain.visible .flow-chain__item:nth-child(1)  { transition-delay: 0.05s; }
#flowChain.visible .flow-chain__item:nth-child(3)  { transition-delay: 0.15s; }
#flowChain.visible .flow-chain__item:nth-child(5)  { transition-delay: 0.25s; }
#flowChain.visible .flow-chain__item:nth-child(7)  { transition-delay: 0.35s; }
#flowChain.visible .flow-chain__item:nth-child(9)  { transition-delay: 0.45s; }
#flowChain.visible .flow-chain__item:nth-child(11) { transition-delay: 0.55s; }
#flowChain.visible .flow-chain__item:nth-child(13) { transition-delay: 0.65s; }
#flowChain.visible .flow-chain__item:nth-child(15) { transition-delay: 0.75s; }
#flowChain.visible .flow-chain__arrow:nth-child(2)  { transition-delay: 0.1s; }
#flowChain.visible .flow-chain__arrow:nth-child(4)  { transition-delay: 0.2s; }
#flowChain.visible .flow-chain__arrow:nth-child(6)  { transition-delay: 0.3s; }
#flowChain.visible .flow-chain__arrow:nth-child(8)  { transition-delay: 0.4s; }
#flowChain.visible .flow-chain__arrow:nth-child(10) { transition-delay: 0.5s; }
#flowChain.visible .flow-chain__arrow:nth-child(12) { transition-delay: 0.6s; }
#flowChain.visible .flow-chain__arrow:nth-child(14) { transition-delay: 0.7s; }
#flowChain.visible .flow-chain__arrow:nth-child(16) { transition-delay: 0.8s; }

/* --- 按钮 --- */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px;
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  transition: all var(--transition); border: 2px solid transparent; text-align: center;
}
.btn--lg { padding: 14px 32px; font-size: 1rem; }
.btn--white { background: var(--white); color: var(--primary); border-color: var(--white); }
.btn--accent { background: var(--accent); color: var(--white); border-color: var(--accent); }

/* --- 信息卡片(4列) --- */
.card-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.info-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 28px 24px; border: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.04); transition: all var(--transition);
}
.info-card:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.08); transform: translateY(-2px); }
.info-card__num { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.info-card__title { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.info-card__desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* --- 服务主卡片 --- */
.service-hero-card {
  background: var(--primary); color: var(--white);
  border-radius: var(--radius-lg); padding: 36px 32px; margin-top: 32px;
}
.service-hero-card__label { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-bottom: 12px; }
.service-hero-card__title { font-size: 1.3rem; font-weight: 700; margin-bottom: 14px; }
.service-hero-card__desc { font-size: 0.95rem; line-height: 1.7; color: rgba(255,255,255,0.8); margin-bottom: 20px; }
.service-hero-card__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.service-hero-card__tags span {
  background: rgba(255,255,255,0.12); border-radius: 6px;
  padding: 6px 14px; font-size: 0.8rem;
}

/* --- 服务3列 --- */
.service-3-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.service-3-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 28px 24px; border: 1px solid var(--border);
}
.service-3-card__label { font-size: 0.8rem; color: var(--primary); font-weight: 700; margin-bottom: 14px; }
.service-3-card__title { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.service-3-card__desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

/* --- 能力4列 --- */
.capability-4-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.capability-4-card {
  padding: 32px 24px; border-right: 1px solid var(--border);
  background: var(--white); transition: background var(--transition);
}
.capability-4-card:last-child { border-right: none; }
.capability-4-card:hover { background: var(--primary-light); }
.capability-4-card__num { font-size: 0.9rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.capability-4-card__title { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.capability-4-card__desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

/* --- 场景2x2 --- */
.scene-2-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.scene-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 28px 24px; border: 1px solid var(--border);
}
.scene-card__label { font-size: 0.78rem; color: var(--primary); font-weight: 700; margin-bottom: 12px; }
.scene-card__title { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 16px; }
.scene-card__row { font-size: 0.88rem; line-height: 1.7; color: var(--text-secondary); margin-bottom: 8px; }
.scene-card__row strong { color: var(--text); font-weight: 600; }

/* --- 深色区 --- */
.section--dark { background: var(--primary); color: var(--white); }

/* --- 工作方法5列 --- */
.workflow-5-grid { display: flex; align-items: stretch; gap: 12px; margin-top: 36px; }
.workflow-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg); padding: 28px 20px; text-align: center;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.workflow-arrow {
  color: var(--accent); font-size: 1.4rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateX(-8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
#workflowGrid.visible .workflow-card,
#workflowGrid.visible .workflow-arrow { opacity: 1; transform: translateY(0) translateX(0); }
#workflowGrid.visible .workflow-card:nth-child(1)  { transition-delay: 0.05s; }
#workflowGrid.visible .workflow-arrow:nth-child(2) { transition-delay: 0.12s; }
#workflowGrid.visible .workflow-card:nth-child(3)  { transition-delay: 0.20s; }
#workflowGrid.visible .workflow-arrow:nth-child(4) { transition-delay: 0.27s; }
#workflowGrid.visible .workflow-card:nth-child(5)  { transition-delay: 0.35s; }
#workflowGrid.visible .workflow-arrow:nth-child(6) { transition-delay: 0.42s; }
#workflowGrid.visible .workflow-card:nth-child(7)  { transition-delay: 0.50s; }
#workflowGrid.visible .workflow-arrow:nth-child(8) { transition-delay: 0.57s; }
#workflowGrid.visible .workflow-card:nth-child(9)  { transition-delay: 0.65s; }
.workflow-card__num { font-size: 0.9rem; font-weight: 700; color: var(--accent); margin-bottom: 14px; }
.workflow-card__title { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.workflow-card__desc { font-size: 0.85rem; color: rgba(255,255,255,0.65); line-height: 1.6; }

/* --- 合作伙伴 --- */
.partner-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; margin-top: 36px; }
.partner-quote {
  background: var(--primary-light); border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 28px 24px;
  font-size: 1rem; line-height: 1.8; color: var(--text); font-style: italic;
}
.partner-2x2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.partner-box {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 20px; border: 1px solid var(--border);
}
.partner-box__title { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.partner-box__desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* --- 数据4列 --- */
.stats-4-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 32px; }
.stat-box {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 28px 24px; border: 1px solid var(--border);
}
.stat-box__num { font-size: 1.8rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.stat-box__label { font-size: 0.85rem; color: var(--text-secondary); }

/* --- 服务对象4列 --- */
.target-4-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 32px; }
.target-box {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 24px 20px; border: 1px solid var(--border); text-align: center;
}
.target-box__title { font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.target-box__desc { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }

/* --- CTA 分栏 --- */
.cta-split {
  background: var(--primary); color: var(--white);
  border-radius: var(--radius-lg); padding: 48px 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.cta-split__title { font-size: 1.6rem; font-weight: 700; margin-bottom: 14px; }
.cta-split__desc { font-size: 0.95rem; color: rgba(255,255,255,0.75); line-height: 1.7; }
.cta-split__right { display: flex; flex-direction: column; gap: 10px; }
.cta-btn {
  display: block; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius); padding: 14px 20px; color: var(--white);
  font-size: 0.9rem; text-align: left; transition: all var(--transition);
}
.cta-btn:hover { background: rgba(255,255,255,0.2); color: var(--white); }

/* --- 页脚 --- */
.footer { background: var(--text); color: rgba(255,255,255,0.7); padding: 48px 0 24px; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer__brand { font-size: 1.2rem; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.footer__desc { font-size: 0.85rem; line-height: 1.8; }

/* --- 页脚 · 微信公众号二维码 --- */
.footer-wechat { margin-top: 18px; display: flex; align-items: center; gap: 12px; }
.footer-wechat__img {
  width: 96px; height: 96px; display: block; flex: 0 0 auto;
  background: #fff; padding: 4px; border-radius: 8px;
}
.footer-wechat__txt { font-size: 0.78rem; line-height: 1.6; color: rgba(255,255,255,0.6); }
.footer-wechat__txt b { display: block; color: rgba(255,255,255,0.85); font-weight: 600; }
@media (max-width: 768px) { .footer-wechat__img { width: 84px; height: 84px; } }

.footer__title { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 16px; }
.footer__links { list-style: none; }
.footer__links li { margin-bottom: 8px; }
.footer__links a { color: rgba(255,255,255,0.6); font-size: 0.85rem; }
.footer__links a:hover { color: var(--accent); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px;
  text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.4);
}

/* --- 关于页内容网格 --- */
.about-content__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.about-content__section h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 14px; margin-top: 28px; }
.about-content__section h3:first-child { margin-top: 0; }
.about-content__section p { font-size: 0.95rem; color: var(--text-secondary); line-height: 2; margin-bottom: 14px; }
.about-content__list { list-style: none; padding: 0; }
.about-content__list li {
  padding: 10px 0; border-bottom: 1px solid var(--border);
  font-size: 0.92rem; color: var(--text-secondary); display: flex; align-items: flex-start; gap: 12px;
}
.about-content__list li::before {
  content: ''; flex-shrink: 0; width: 8px; height: 8px;
  background: var(--accent); border-radius: 50%; margin-top: 9px;
}

/* --- 二级页面Hero --- */
.page-hero {
  margin-top: 72px; padding: 60px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white); text-align: center;
}
.page-hero h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 16px; }
.page-hero p { font-size: 1.1rem; color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto; }

/* --- 服务详情页 --- */
.service-detail { margin-top: 72px; }
.service-detail__hero {
  padding: 60px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white);
}
.service-detail__hero h1 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
.service-detail__hero p { font-size: 1.05rem; color: rgba(255,255,255,0.85); max-width: 700px; }
.service-detail__content { padding: 60px 0; }
.service-detail__content h2 { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.service-detail__content h3 { font-size: 1.15rem; font-weight: 700; color: var(--text); margin: 28px 0 12px; }
.service-detail__content p { font-size: 0.95rem; color: var(--text-secondary); line-height: 2; margin-bottom: 16px; }
.service-detail__content ul { margin: 16px 0 24px 20px; }
.service-detail__content li { font-size: 0.95rem; color: var(--text-secondary); line-height: 2; }

/* --- 特殊场景页 --- */
.scenes-detail { margin-top: 72px; }
.scenes-detail__hero {
  padding: 60px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white); text-align: center;
}
.scenes-detail__hero h1 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
.scenes-detail__hero p { font-size: 1.05rem; color: rgba(255,255,255,0.85); max-width: 700px; margin: 0 auto; }
.scenes-detail__content { padding: 60px 0; }
.scene-detail-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; margin-bottom: 24px;
}
.scene-detail-card__title {
  font-size: 1.3rem; font-weight: 700; color: var(--primary);
  margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--primary-light);
}
.scene-detail-card__section { margin-bottom: 12px; }
.scene-detail-card__label { font-size: 0.78rem; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.scene-detail-card__text { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; }

/* --- 联系页 --- */
.contact-entries { padding: 60px 0; }
.contact-entries__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.contact-entry {
  background: var(--white); border: 2px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 28px; text-align: center;
  transition: all var(--transition);
}
.contact-entry:hover { border-color: var(--primary); box-shadow: 0 4px 24px rgba(0,0,0,0.08); transform: translateY(-2px); }
.contact-entry__icon { font-size: 2rem; margin-bottom: 12px; }
.contact-entry__title { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.contact-entry__desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.contact-info {
  background: var(--bg-light); padding: 40px; border-radius: var(--radius-lg);
}
.contact-info__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.contact-info__item { text-align: center; }
.contact-info__label { font-size: 0.75rem; font-weight: 700; color: var(--text-light); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; }
.contact-info__value { font-size: 0.95rem; color: var(--text); font-weight: 600; }
.contact-info__nowrap { white-space: nowrap; }

/* --- 留资转化组件 --- */
.lead-cta { padding: 72px 0; background: var(--bg-light); }
.lead-cta__inner { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.lead-cta__head { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.lead-cta__label {
  display: inline-block; background: var(--primary-light); color: var(--primary);
  padding: 6px 18px; border-radius: 24px; font-size: 0.8rem; font-weight: 600; margin-bottom: 18px;
}
.lead-cta__title { font-size: 1.75rem; font-weight: 700; color: var(--text); margin-bottom: 12px; line-height: 1.5; }
.lead-cta__desc { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; }
.lead-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.lead-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 26px; text-align: center; cursor: pointer;
  display: flex; flex-direction: column; transition: all var(--transition);
}
.lead-card:hover, .lead-card:focus-visible {
  border-color: var(--primary); transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(24,44,167,0.10); outline: none;
}
.lead-card__icon { font-size: 2rem; line-height: 1; margin-bottom: 14px; }
.lead-card__title { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.5; }
.lead-card__desc { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }
.lead-card__more {
  margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--border);
  color: var(--accent); font-size: 0.875rem; font-weight: 600;
}
.lead-card--ghost { background: transparent; border-style: dashed; }
.lead-cta__note { text-align: center; margin-top: 28px; font-size: 0.8rem; color: var(--text-light); }
.lead-cta__note a { color: var(--text-secondary); }

/* 联系我们页入口卡 */
.contact-entry[data-lead] { cursor: pointer; }
.contact-entry[data-lead]:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.contact-entry__more {
  margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border);
  color: var(--accent); font-size: 0.85rem; font-weight: 600;
}

/* 弹层 */
.lead-mask {
  position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 2000;
  background: rgba(15,29,112,0.55); display: flex; align-items: flex-start; justify-content: center;
  padding: 48px 16px; overflow-y: auto;
  opacity: 0; visibility: hidden; transition: opacity 0.25s ease, visibility 0.25s ease;
}
.lead-mask.is-open { opacity: 1; visibility: visible; }
.lead-modal {
  position: relative; width: 100%; max-width: 640px; background: var(--white);
  border-radius: 20px; padding: 36px 34px 30px; box-shadow: 0 24px 64px rgba(15,29,112,0.24);
  transform: translateY(18px) scale(0.985); transition: transform 0.28s ease;
}
.lead-mask.is-open .lead-modal { transform: none; }
.lead-close {
  position: absolute; top: 16px; right: 18px; width: 34px; height: 34px; line-height: 1;
  border: 1px solid var(--border); background: var(--white); color: var(--text-secondary);
  border-radius: 50%; font-size: 1.25rem; cursor: pointer; transition: all var(--transition);
}
.lead-close:hover { background: var(--bg-light); color: var(--text); border-color: var(--text-light); }
.lead-head { margin-bottom: 22px; padding-right: 40px; }
.lead-badge {
  display: inline-block; background: var(--primary-light); color: var(--primary);
  font-size: 0.72rem; font-weight: 700; padding: 4px 12px; border-radius: 20px; margin-bottom: 10px;
}
.lead-title { font-size: 1.3rem; font-weight: 700; color: var(--text); line-height: 1.5; margin-bottom: 8px; }
.lead-desc { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.75; }

.lead-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.lead-field { margin-bottom: 14px; }
.lead-label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.lead-label .req { color: var(--accent); font-style: normal; }
.lead-input, .lead-select, .lead-textarea {
  width: 100%; font-family: inherit; font-size: 0.9rem; color: var(--text);
  background: var(--white); border: 1px solid var(--border); border-radius: 10px;
  padding: 11px 14px; line-height: 1.6; transition: all var(--transition);
}
.lead-select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%238892a4' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 34px; }
.lead-textarea { min-height: 96px; resize: vertical; }
.lead-input:focus, .lead-select:focus, .lead-textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(24,44,167,0.10);
}
.lead-input::placeholder, .lead-textarea::placeholder { color: var(--text-light); }
.lead-field.has-err .lead-input,
.lead-field.has-err .lead-select,
.lead-field.has-err .lead-textarea { border-color: #e5484d; }
.lead-err { display: none; color: #e5484d; font-size: 0.75rem; margin-top: 5px; line-height: 1.5; }
.lead-consent { display: flex; gap: 9px; align-items: flex-start; font-size: 0.78rem; color: var(--text-secondary); line-height: 1.65; cursor: pointer; }
.lead-consent input { margin-top: 4px; flex: 0 0 auto; }
.lead-submit {
  width: 100%; margin-top: 6px; border: 0; cursor: pointer; font-family: inherit;
  background: var(--primary); color: var(--white); font-size: 1rem; font-weight: 700;
  padding: 15px 20px; border-radius: 12px; transition: background var(--transition);
}
.lead-submit:hover { background: var(--primary-dark); }
.lead-foot { margin-top: 12px; font-size: 0.75rem; color: var(--text-light); line-height: 1.7; }

.lead-success { text-align: center; padding: 16px 4px 8px; }
.lead-success__icon {
  width: 60px; height: 60px; line-height: 60px; margin: 0 auto 18px; border-radius: 50%;
  background: var(--primary-light); color: var(--primary); font-size: 1.75rem;
}
.lead-success__title { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.lead-success__desc { font-size: 0.925rem; color: var(--text-secondary); line-height: 1.8; }
.lead-success__acts { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 24px 0 16px; }
.lead-btn {
  border: 0; cursor: pointer; font-family: inherit; font-size: 0.9rem; font-weight: 600;
  padding: 11px 22px; border-radius: 10px; background: var(--primary); color: var(--white);
  transition: all var(--transition);
}
.lead-btn:hover { background: var(--primary-dark); }
.lead-btn--ghost { background: var(--white); color: var(--primary); border: 1px solid var(--border); }
.lead-btn--ghost:hover { border-color: var(--primary); background: var(--primary-light); }
.lead-success__tip { font-size: 0.78rem; color: var(--text-light); line-height: 1.8; }

/* --- 响应式 --- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__right { max-width: 500px; }
  .card-grid-4, .capability-4-grid, .stats-4-grid, .target-4-grid { grid-template-columns: repeat(2, 1fr); }
  .service-3-grid { grid-template-columns: 1fr; }
  .partner-split { grid-template-columns: 1fr; }
  .workflow-5-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .section-title--lg { font-size: 1.4rem; }
  .hero__title { font-size: 1.8rem; }
  .hero__inner { padding: 0 20px; gap: 32px; }
  .hero__right { padding: 16px 20px; }
  .header__nav {
    display: none; position: fixed; top: 72px; left: 0; right: 0;
    background: var(--white); flex-direction: column; padding: 24px;
    gap: 16px; border-bottom: 1px solid var(--border); box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  }
  .header__nav.open { display: flex; }
  .header__menu-btn { display: block; }
  .header__tagline { display: none; }
  .card-grid-4, .capability-4-grid, .stats-4-grid, .target-4-grid,
  .scene-2-grid { grid-template-columns: 1fr; }
  .workflow-5-grid { flex-direction: column; }
  .flow-chain { gap: 4px; }
  .flow-chain__item { padding: 8px 12px; font-size: 0.8rem; }
  .flow-chain__arrow { font-size: 0.9rem; }
  .capability-4-card { border-right: none; border-bottom: 1px solid var(--border); }
  .capability-4-card:last-child { border-bottom: none; }
  .cta-split { grid-template-columns: 1fr; gap: 28px; padding: 32px 24px; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 24px; }
  .hero__btns { flex-direction: column; }
  .lead-cta { padding: 48px 0; }
  .lead-grid { grid-template-columns: 1fr; gap: 16px; }
  .lead-card { padding: 26px 22px; }
  .lead-mask { padding: 16px 12px; }
  .lead-modal { padding: 28px 20px 24px; border-radius: 16px; }
  .lead-form-row { grid-template-columns: 1fr; }
  .lead-title { font-size: 1.15rem; }
  .head-force-one-line { white-space: normal; }
}
@media (max-width: 480px) {
  .contact-info__grid { grid-template-columns: 1fr 1fr; }
  .lead-success__acts { flex-direction: column; }
  .lead-btn { width: 100%; }
}