/* ============================================================
   APSyc Holdings - 前台样式（深海军蓝企业风）
   ============================================================ */
:root {
  --navy-900: #0a1c33;
  --navy-800: #0d2547;
  --navy-700: #123259;
  --blue-500: #2f7df6;
  --blue-600: #1f66d6;
  --blue-100: #e8f1fe;
  --gray-50: #f6f8fb;
  --gray-100: #eef1f6;
  --gray-300: #d4dae3;
  --gray-500: #6b7686;
  --gray-700: #3a4553;
  --text: #1c2733;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(13, 37, 71, .10);
  --container: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--blue-600); text-decoration: none; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-100);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--navy-800); }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-500), var(--navy-800));
  color: #fff; font-size: 20px; font-weight: 800;
}
.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; padding: 10px 16px; border-radius: 8px;
  color: var(--gray-700); font-weight: 600; font-size: 15px;
  transition: color .2s, background .2s;
}
.main-nav > ul > li > a:hover { color: var(--blue-600); background: var(--blue-100); }
.sub-menu {
  position: absolute; top: 100%; left: 0; min-width: 260px;
  background: #fff; border: 1px solid var(--gray-100); border-radius: 12px;
  box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: all .2s;
}
.has-sub:hover .sub-menu, .has-sub:focus-within .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.sub-menu a { display: block; padding: 10px 14px; border-radius: 8px; color: var(--gray-700); font-size: 14px; font-weight: 500; }
.sub-menu a:hover { background: var(--blue-100); color: var(--blue-600); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy-800); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ---------- Hero slider ---------- */
.hero { position: relative; color: #fff; background: var(--navy-900); overflow: hidden; }
.hero-slide {
  display: none; position: relative; min-height: 560px;
  align-items: center; background-size: cover; background-position: center;
}
.hero-slide.active { display: flex; }
.hero-slide::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,28,51,.92) 20%, rgba(10,28,51,.55) 60%, rgba(10,28,51,.25));
}
.hero-content { position: relative; max-width: 720px; padding: 110px 0; animation: fadeUp .7s ease both; }
.hero-content h1 { font-size: clamp(30px, 4.6vw, 54px); font-weight: 800; line-height: 1.15; letter-spacing: -.5px; }
.hero-content p { margin-top: 18px; font-size: clamp(16px, 1.6vw, 19px); color: #c9d6ea; max-width: 560px; }
.hero-cta { margin-top: 30px; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.hero-dots { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 5; }
.hero-dots button { width: 10px; height: 10px; border-radius: 50%; border: 0; background: rgba(255,255,255,.35); cursor: pointer; transition: .2s; }
.hero-dots button.active { background: #fff; width: 26px; border-radius: 5px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 10px; font-weight: 700; font-size: 15px;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue-500); color: #fff; box-shadow: 0 6px 18px rgba(47,125,246,.35); }
.btn-primary:hover { background: var(--blue-600); }
.btn-outline { border: 1.5px solid rgba(255,255,255,.5); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.btn-dark { background: var(--navy-800); color: #fff; }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section-alt { background: var(--gray-50); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.eyebrow {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: var(--blue-100); color: var(--blue-600);
  font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; color: var(--navy-800); letter-spacing: -.5px; }
.section-head p { margin-top: 14px; color: var(--gray-500); font-size: 17px; }

/* ---------- Stats ---------- */
.stats-band { background: var(--navy-800); color: #fff; padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-value { font-size: clamp(34px, 4vw, 52px); font-weight: 800; color: #fff; }
.stat-value .suffix { color: var(--blue-500); }
.stat-label { margin-top: 6px; color: #a9bad6; font-size: 15px; }

/* ---------- Intro ---------- */
.intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.intro-text h2 { font-size: clamp(26px, 3vw, 36px); color: var(--navy-800); font-weight: 800; letter-spacing: -.5px; }
.intro-text p { margin-top: 16px; color: var(--gray-500); font-size: 16.5px; }
.intro-media {
  border-radius: var(--radius); min-height: 340px;
  background: linear-gradient(135deg, var(--navy-800), var(--blue-600));
  box-shadow: var(--shadow);
}
.intro-media img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); }

/* ---------- Cards ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  background: #fff; border: 1px solid var(--gray-100); border-radius: var(--radius);
  overflow: hidden; transition: transform .2s, box-shadow .2s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-media { height: 190px; background: linear-gradient(135deg, var(--navy-700), var(--blue-500)); overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 19px; font-weight: 700; color: var(--navy-800); }
.card-body p { margin-top: 10px; color: var(--gray-500); font-size: 14.5px; flex: 1; }
.card-link { margin-top: 18px; font-weight: 700; font-size: 14px; color: var(--blue-600); }
.card-link:hover { text-decoration: underline; }

/* 行业小卡片（4 列） */
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.industry-card {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 210px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-700));
  display: flex; align-items: flex-end; padding: 24px;
  transition: transform .2s;
}
.industry-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .45; transition: .3s; }
.industry-card:hover { transform: translateY(-5px); }
.industry-card:hover img { opacity: .6; }
.industry-card .inner { position: relative; color: #fff; }
.industry-card h3 { font-size: 18px; font-weight: 700; }
.industry-card span { font-size: 13px; color: #bcd0ec; }

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { background: #fff; border: 1px solid var(--gray-100); border-radius: var(--radius); overflow: hidden; transition: .2s; display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.news-cover { height: 180px; background: linear-gradient(135deg, var(--blue-100), var(--gray-100)); overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; gap: 12px; align-items: center; font-size: 12.5px; }
.news-tag { background: var(--blue-100); color: var(--blue-600); padding: 3px 10px; border-radius: 999px; font-weight: 700; }
.news-date { color: var(--gray-500); }
.news-body h3 { margin-top: 12px; font-size: 16.5px; line-height: 1.45; color: var(--navy-800); font-weight: 700; flex: 1; }
.news-body .summary { margin-top: 10px; color: var(--gray-500); font-size: 14px; }

/* ---------- 页头（子页面通用） ---------- */
.page-hero { background: linear-gradient(115deg, var(--navy-900) 30%, var(--navy-700)); color: #fff; padding: 90px 0 70px; position: relative; overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47,125,246,.35), transparent 70%);
}
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; letter-spacing: -.5px; position: relative; }
/* 页头使用背景图时叠加暗色遮罩，保证文字可读 */
.page-hero[style*="background-image"]::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,28,51,.88) 30%, rgba(10,28,51,.55));
}
.page-hero p { margin-top: 14px; color: #c9d6ea; font-size: 17px; max-width: 640px; position: relative; }
.breadcrumb { margin-top: 20px; font-size: 13.5px; color: #8ba3c7; position: relative; }
.breadcrumb a { color: #c9d6ea; }

/* ---------- 富文本正文 ---------- */
.rich-content { max-width: 820px; }
.rich-content h2 { margin: 40px 0 14px; font-size: 26px; color: var(--navy-800); }
.rich-content h3 { margin: 30px 0 12px; font-size: 20px; color: var(--navy-800); }
.rich-content p { margin: 14px 0; color: var(--gray-700); font-size: 16px; }
.rich-content ul, .rich-content ol { margin: 14px 0 14px 22px; color: var(--gray-700); }
.rich-content ul li { list-style: disc; margin: 8px 0; }
.rich-content ol li { list-style: decimal; margin: 8px 0; }
.rich-content img { border-radius: 12px; margin: 20px 0; }
.rich-content table { border-collapse: collapse; width: 100%; margin: 20px 0; }
.rich-content th, .rich-content td { border: 1px solid var(--gray-300); padding: 10px 14px; font-size: 15px; }

/* ---------- Contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; }
.contact-info h2 { font-size: clamp(24px, 3vw, 34px); color: var(--navy-800); font-weight: 800; }
.contact-info p { margin-top: 14px; color: var(--gray-500); }
.contact-info ul { margin-top: 26px; }
.contact-info li { margin: 14px 0; color: var(--gray-700); font-size: 15px; display: flex; gap: 12px; align-items: flex-start; }
.contact-info li .ico {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 9px;
  background: var(--blue-100); color: var(--blue-600);
  display: inline-flex; align-items: center; justify-content: center; font-weight: 700;
}
.contact-form { background: #fff; border: 1px solid var(--gray-100); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 700; color: var(--gray-700); margin-bottom: 7px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--gray-300);
  border-radius: 10px; font-size: 14.5px; font-family: inherit; color: var(--text);
  transition: border .2s; background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--blue-500); }
.form-group textarea { min-height: 130px; resize: vertical; }
.form-msg { padding: 13px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 14px; }
.form-msg.ok { background: #e7f7ee; color: #157347; border: 1px solid #b7e4c7; }
.form-msg.err { background: #fdecec; color: #b02a37; border: 1px solid #f5c2c7; }

/* ---------- IR ---------- */
.ir-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.ir-table th, .ir-table td { padding: 16px 20px; text-align: left; font-size: 15px; }
.ir-table thead tr { background: var(--navy-800); color: #fff; }
.ir-table tbody tr { border-bottom: 1px solid var(--gray-100); }
.ir-table tbody tr:hover { background: var(--gray-50); }
.ir-table .tag { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 700; background: var(--blue-100); color: var(--blue-600); }
.ir-tabs { display: flex; gap: 10px; margin-bottom: 26px; flex-wrap: wrap; }
.ir-tabs a { padding: 9px 20px; border-radius: 999px; border: 1.5px solid var(--gray-300); font-weight: 600; font-size: 14px; color: var(--gray-700); }
.ir-tabs a.active, .ir-tabs a:hover { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }

/* ---------- 分页 ---------- */
.pagination { display: flex; gap: 8px; margin-top: 40px; justify-content: center; }
.pagination a, .pagination span { padding: 9px 16px; border-radius: 9px; border: 1.5px solid var(--gray-300); font-size: 14px; color: var(--gray-700); }
.pagination .current { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.pagination a:hover { border-color: var(--blue-500); color: var(--blue-600); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #b9c8de; margin-top: 90px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding: 70px 0 50px; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-col ul li { margin: 10px 0; font-size: 14.5px; }
.footer-col a { color: #b9c8de; }
.footer-col a:hover { color: #fff; }
.brand-light .brand-name { color: #fff; }
.footer-about p { margin-top: 16px; font-size: 14.5px; max-width: 340px; }
.social { display: flex; gap: 10px; margin-top: 20px; }
.social a {
  width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08);
  display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color: #fff;
}
.social a:hover { background: var(--blue-500); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; font-size: 13.5px; }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .intro-grid, .contact-wrap { grid-template-columns: 1fr; gap: 36px; }
  .cards-grid, .industry-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav {
    position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
    background: #fff; padding: 20px 24px; overflow-y: auto;
    transform: translateX(100%); transition: transform .25s;
  }
  .main-nav.open { transform: none; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav > ul > li > a { padding: 14px 8px; border-bottom: 1px solid var(--gray-100); border-radius: 0; }
  .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 14px; display: none; }
  .has-sub.open .sub-menu { display: block; }
  .nav-toggle { display: block; }
}
@media (max-width: 640px) {
  .section { padding: 60px 0; }
  .cards-grid, .industry-grid, .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .hero-slide { min-height: 480px; }
  .contact-form { padding: 24px; }
}