/* ========== 可奇新科技官网 · 全站样式 ========== */
:root {
  --primary: #1657d8;
  --primary-dark: #0f3fa5;
  --primary-soft: #eef3ff;
  --accent: #ff6a3d;
  --dark: #0e1626;
  --text: #1c2534;
  --muted: #6b7789;
  --line: #e6ebf3;
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --radius: 14px;
  --shadow-sm: 0 2px 8px rgba(16, 32, 64, .05);
  --shadow: 0 10px 30px rgba(16, 32, 64, .08);
  --shadow-lg: 0 20px 50px rgba(16, 32, 64, .12);
  --max: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15.5px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; line-height: 1.35; font-weight: 700; color: var(--dark); }
p { margin: 0; }
button, input, textarea, select { font: inherit; color: inherit; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--dark);
  color: #cbd6e6;
  font-size: 13px;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 40px; }
.topbar-left { display: flex; align-items: center; gap: 8px; }
.topbar-right { display: flex; align-items: center; gap: 22px; }
.topbar a:hover { color: #fff; }
.topbar b { color: #fff; font-weight: 600; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); display: inline-block; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.logo img { height: 40px; width: auto; object-fit: contain; max-width: 200px; }
.logo-text { font-size: 16px; font-weight: 700; color: var(--dark); letter-spacing: .5px; line-height: 1.1; white-space: nowrap; }

.menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.menu > li { position: relative; }
.menu > li > a {
  display: flex; align-items: center; gap: 5px;
  padding: 10px 14px; border-radius: 10px;
  font-size: 15px; font-weight: 500; color: #33415a;
  transition: .18s;
}
.menu > li > a:hover, .menu > li.active > a { color: var(--primary); background: var(--primary-soft); }
.menu .caret { width: 0; height: 0; border: 4px solid transparent; border-top-color: currentColor; margin-top: 3px; opacity: .55; }
.submenu {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 190px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(6px); transition: .18s;
}
.menu > li:hover .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 14.5px; color: #445; }
.submenu a:hover { background: var(--primary-soft); color: var(--primary); }

.nav-cta {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px; font-size: 13.5px; font-weight: 600; white-space: nowrap;
  background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(22, 87, 216, .22);
  transition: .18s;
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }
.burger { display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 10px; cursor: pointer; }
.burger span, .burger span::before, .burger span::after {
  display: block; width: 18px; height: 2px; background: var(--dark); border-radius: 2px; margin: 0 auto; position: relative; content: "";
}
.burger span::before { position: absolute; top: -6px; }
.burger span::after { position: absolute; top: 6px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer; transition: .2s; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 10px 24px rgba(22, 87, 216, .24); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--dark); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 10px 24px rgba(255, 106, 61, .28); }
.btn-accent:hover { filter: brightness(.95); transform: translateY(-2px); }
.btn-light { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .28); }
.btn-light:hover { background: rgba(255, 255, 255, .2); }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* ---------- 首屏 ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #f6f9ff 0%, #fff 78%); }
.hero::before {
  content: ""; position: absolute; width: 620px; height: 620px; right: -160px; top: -240px;
  background: radial-gradient(circle, rgba(22, 87, 216, .12), transparent 68%); border-radius: 50%;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding: 76px 0 68px; position: relative; }
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  font-size: 13.5px; color: var(--muted); font-weight: 500;
}
.hero h1 { font-size: 48px; line-height: 1.22; margin: 22px 0 0; letter-spacing: -.5px; }
.hero h1 em { font-style: normal; color: var(--primary); position: relative; }
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 10px;
  background: rgba(255, 106, 61, .22); border-radius: 4px; z-index: -1;
}
.hero .sub { font-size: 21px; font-weight: 600; color: var(--dark); margin-top: 14px; }
.hero .lead { margin-top: 16px; font-size: 16px; color: var(--muted); max-width: 560px; }
.hero-btns { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 48px; border-top: 1px solid var(--line); padding-top: 26px; }
.hero-stats .v { font-size: 28px; font-weight: 800; color: var(--primary); font-family: Arial, sans-serif; }
.hero-stats .l { font-size: 13px; color: var(--muted); margin-top: 2px; }
.hero-art { position: relative; }
.hero-art img { width: 100%; border-radius: 24px; }

/* ---------- 区块通用 ---------- */
.section { padding: 84px 0; }
.section.soft { background: var(--bg-soft); }
.section.dark { background: var(--dark); color: #d4dded; }
.section.dark h2, .section.dark h3 { color: #fff; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head.left { text-align: left; margin-left: 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 700;
  color: var(--primary); letter-spacing: 2px; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent); }
.section h2 { font-size: 34px; margin-top: 12px; letter-spacing: -.3px; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 16px; }

/* ---------- 优势条 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; transition: .22s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #d9e3f7; }
.ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--primary-soft); color: var(--primary); margin-bottom: 16px;
}
.ico svg { width: 24px; height: 24px; }
.feature h3 { font-size: 17.5px; }
.feature p { color: var(--muted); font-size: 14.5px; margin-top: 8px; }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 60px; align-items: center; }
.about-art img { border-radius: 20px; box-shadow: var(--shadow); }
.about-list { margin-top: 26px; display: grid; gap: 12px; }
.about-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; }
.check {
  flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; background: var(--primary-soft);
  color: var(--primary); display: grid; place-items: center; font-size: 12px; font-weight: 700; margin-top: 3px;
}
.vision {
  margin-top: 28px; padding: 18px 22px; border-left: 3px solid var(--accent);
  background: #fff8f5; border-radius: 0 10px 10px 0; font-size: 15px; color: #6b4335;
}

/* ---------- 服务卡片 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: .24s;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.svc-cover { aspect-ratio: 16 / 10; overflow: hidden; background: var(--primary-soft); }
.svc-cover img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.svc-card:hover .svc-cover img { transform: scale(1.05); }
.svc-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.svc-body h3 { font-size: 20px; }
.svc-body p { color: var(--muted); font-size: 14.5px; margin-top: 10px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag { font-size: 12.5px; padding: 4px 10px; border-radius: 999px; background: var(--bg-soft); color: #5b6a80; border: 1px solid var(--line); }
.more { margin-top: auto; padding-top: 18px; color: var(--primary); font-weight: 600; font-size: 14.5px; display: inline-flex; align-items: center; gap: 6px; }
.more svg { width: 18px; height: 18px; flex: 0 0 auto; }
.svc-card:hover .more { gap: 12px; }

/* ---------- 评分band ---------- */
.rating-grid { display: grid; grid-template-columns: 280px 1fr; gap: 56px; align-items: center; }
.score-box { text-align: center; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: 20px; padding: 30px 20px; }
.score { font-size: 66px; font-weight: 800; color: #fff; font-family: Arial, sans-serif; line-height: 1; }
.stars { color: var(--accent); font-size: 18px; letter-spacing: 3px; margin-top: 10px; }
.rating-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 24px; }
.rating-list li { display: flex; align-items: center; gap: 10px; font-size: 15px; color: #cbd6e6; }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { border-radius: var(--radius); overflow: hidden; position: relative; background: var(--dark); min-height: 300px; display: flex; align-items: flex-end; }
.case-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; transition: .4s; }
.case-card:hover img { opacity: .4; transform: scale(1.05); }
.case-info { position: relative; padding: 26px; color: #fff; }
.case-info .k { font-size: 12.5px; letter-spacing: 1.5px; color: #ffb499; font-weight: 700; }
.case-info h3 { color: #fff; font-size: 19px; margin-top: 8px; }
.case-info p { font-size: 14px; color: #d4dded; margin-top: 10px; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .22s; display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.news-cover { aspect-ratio: 16 / 9; overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.chip { padding: 3px 10px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-size: 12.5px; font-weight: 600; }
.news-body h3 { font-size: 17.5px; margin-top: 12px; }
.news-body p { color: var(--muted); font-size: 14.5px; margin-top: 10px; }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--primary) 0%, #0b3fb0 55%, #0e1626 100%);
  border-radius: 22px; padding: 48px 52px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; font-size: 28px; }
.cta-band p { color: #d4e0f7; margin-top: 10px; max-width: 620px; }

/* ---------- 联系 / 表单 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.info-list { display: grid; gap: 18px; margin-top: 26px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; }
.info-item .ico { margin: 0; }
.info-item .k { font-size: 13px; color: var(--muted); }
.info-item .v { font-size: 15px; font-weight: 600; color: var(--dark); word-break: break-all; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 32px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; color: #4b586d; margin-bottom: 7px; font-weight: 500; }
.field label i { color: var(--accent); font-style: normal; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: #fbfcfe; transition: .18s; outline: none;
}
.field input:focus, .field textarea:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(22, 87, 216, .1); }
.field textarea { min-height: 120px; resize: vertical; }
.form-tip { margin-top: 14px; font-size: 14px; display: none; padding: 12px 14px; border-radius: 10px; }
.form-tip.ok { display: block; background: #eefaf3; color: #1b7a4b; border: 1px solid #c7ecd8; }
.form-tip.err { display: block; background: #fef2f2; color: #b42318; border: 1px solid #fcd9d6; }

/* ---------- 内页横幅 ---------- */
.page-hero { background: var(--dark); color: #fff; padding: 62px 0 58px; 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, 107, 255, .35), transparent 70%);
}
.page-hero h1 { color: #fff; font-size: 36px; position: relative; }
.page-hero p { color: #a9b8cf; margin-top: 12px; position: relative; max-width: 720px; }
.crumb { font-size: 13.5px; color: #8fa2bd; position: relative; margin-bottom: 16px; }
.crumb a:hover { color: #fff; }

/* ---------- 富文本 ---------- */
.prose { font-size: 16px; color: #303c4f; }
.prose h2 { font-size: 24px; margin: 34px 0 14px; padding-left: 14px; border-left: 4px solid var(--primary); }
.prose h3 { font-size: 19px; margin: 26px 0 10px; }
.prose p { margin: 12px 0; }
.prose ul, .prose ol { margin: 14px 0; padding-left: 4px; }
.prose ul li { position: relative; padding-left: 22px; margin: 9px 0; }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.prose ol { counter-reset: n; }
.prose ol li { position: relative; padding-left: 34px; margin: 11px 0; counter-increment: n; }
.prose ol li::before {
  content: counter(n); position: absolute; left: 0; top: 2px; width: 23px; height: 23px; border-radius: 50%;
  background: var(--primary-soft); color: var(--primary); font-size: 13px; font-weight: 700; display: grid; place-items: center;
}
.prose img { border-radius: 12px; margin: 18px 0; }
.prose strong { color: var(--dark); }
.prose blockquote { margin: 18px 0; padding: 14px 20px; background: var(--bg-soft); border-left: 3px solid var(--primary); border-radius: 0 10px 10px 0; color: #4b586d; }
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.prose th { background: var(--bg-soft); }

/* ---------- 侧栏 / 列表页 ---------- */
.split { display: grid; grid-template-columns: 1fr 300px; gap: 44px; align-items: start; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin-bottom: 22px; }
.side-card h4 { font-size: 16px; margin-bottom: 14px; }
.side-list li a { display: block; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; color: #4b586d; }
.side-list li:last-child a { border-bottom: 0; }
.side-list li a:hover { color: var(--primary); }
.side-list li.on a { color: var(--primary); font-weight: 600; }

.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 44px; }
.pagination a, .pagination span {
  min-width: 40px; height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 14.5px; background: #fff; cursor: pointer;
}
.pagination .on { background: var(--primary); color: #fff; border-color: var(--primary); }

.empty { text-align: center; padding: 70px 20px; color: var(--muted); }

/* ---------- 页脚 ---------- */
.footer { background: var(--dark); color: #93a3ba; padding: 48px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 36px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer-links li { margin-bottom: 10px; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer .brand-line { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer .brand-line img { height: 34px; width: auto; object-fit: contain; filter: drop-shadow(0 1px 3px rgba(0,0,0,.35)); }
.footer .desc { font-size: 14px; max-width: 300px; }
.footer .f-contact li { display: flex; gap: 10px; font-size: 13.5px; margin-bottom: 8px; align-items: flex-start; }
.footer .f-contact svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 1px; fill: currentColor; opacity: .85; }
.footer .f-contact b { color: #cdd8e8; font-weight: 500; font-size: 13.5px; white-space: nowrap; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .09); padding: 20px 0; font-size: 13.5px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer-bottom a:hover { color: #fff; }

.to-top {
  position: fixed; right: 24px; bottom: 28px; width: 46px; height: 46px; border-radius: 12px;
  background: var(--primary); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: .25s; z-index: 80; cursor: pointer; border: 0;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .contact-grid, .rating-grid, .split { grid-template-columns: 1fr; gap: 40px; }
  .feature-grid, .svc-grid, .news-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 38px; }
  .section { padding: 64px 0; }
}
@media (max-width: 860px) {
  .burger { display: grid; place-items: center; }
  .nav-cta { display: none; }
  .menu {
    position: fixed; inset: 72px 0 auto; background: #fff; display: none; flex-direction: column;
    align-items: stretch; gap: 0; padding: 12px 16px 20px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow); max-height: calc(100vh - 72px); overflow: auto;
  }
  .menu.open { display: flex; }
  .menu > li > a { padding: 13px 12px; font-size: 16px; }
  .submenu {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    border: 0; border-left: 2px solid var(--line); border-radius: 0; margin: 0 0 8px 14px; padding: 0 0 0 8px;
  }
  .menu .caret { display: none; }
  .topbar-right { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .cta-band { padding: 34px 26px; }
}
@media (max-width: 620px) {
  body { font-size: 15px; }
  .container { padding: 0 18px; }
  .hero h1 { font-size: 30px; }
  .hero .sub { font-size: 18px; }
  .section h2 { font-size: 26px; }
  .feature-grid, .svc-grid, .news-grid, .case-grid, .form-row, .rating-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .page-hero h1 { font-size: 27px; }
  .form-card { padding: 22px; }
}