:root {
  --ink: #07111f;
  --paper: #f5f8fb;
  --panel: rgba(255, 255, 255, 0.78);
  --line: rgba(19, 38, 64, 0.13);
  --blue: #0f67ff;
  --cyan: #00c8d7;
  --green: #18b47b;
  --amber: #ffb020;
  --red: #e84d55;
  --text: #1d2a39;
  --muted: #637184;
  --shadow: 0 24px 70px rgba(13, 30, 54, 0.16);
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 8%, rgba(0, 200, 215, 0.18), transparent 28rem),
    radial-gradient(circle at 5% 25%, rgba(255, 176, 32, 0.12), transparent 24rem),
    linear-gradient(180deg, #eef5fb 0%, #ffffff 38%, #f4f7fa 100%);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
main { min-height: 70vh; }

.loader {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  gap: 18px;
  background: #07111f;
  color: #fff;
  transition: opacity .45s ease, visibility .45s ease;
}
.loader span {
  width: 76px;
  height: 76px;
  border: 1px solid rgba(255,255,255,.18);
  border-top-color: var(--cyan);
  border-right-color: var(--amber);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
.loader strong { font-size: 14px; font-weight: 500; color: rgba(255,255,255,.72); }
body.loaded .loader { opacity: 0; visibility: hidden; }

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: min(1180px, calc(100% - 32px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.52);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .76);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 40px rgba(13, 30, 54, .12);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand img { width: 42px; height: 42px; object-fit: contain; border-radius: 6px; }
.brand b { display: block; color: var(--ink); font-size: 18px; line-height: 1.1; }
.brand small { display: block; color: var(--muted); font-size: 11px; line-height: 1.2; }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a { padding: 9px 12px; border-radius: 6px; color: #2e3b4b; font-size: 14px; }
.main-nav a:hover { background: rgba(15, 103, 255, .08); color: var(--blue); }
.main-nav .nav-cta { color: #fff; background: linear-gradient(135deg, var(--blue), var(--cyan)); }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 22px; color: var(--ink); }

.hero {
  position: relative;
  min-height: 100vh;
  padding: 150px max(28px, calc((100vw - 1180px) / 2)) 80px;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 48px;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(15,103,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,103,255,.08) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}
h1, h2, h3 { margin: 0; color: var(--ink); line-height: 1.18; }
.hero h1 {
  max-width: 720px;
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 900;
}
.hero-lead {
  max-width: 650px;
  margin: 22px 0 0;
  color: #3e4b5b;
  font-size: 18px;
}
.hero-actions, .center { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(13, 30, 54, .16); }
.btn.primary { border-color: transparent; color: #fff; background: linear-gradient(135deg, var(--blue), var(--cyan)); }
.btn.ghost { background: rgba(255,255,255,.68); color: var(--ink); }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 34px; max-width: 680px; }
.hero-stats span {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.58);
  backdrop-filter: blur(14px);
}
.hero-stats b { display: block; color: var(--ink); font-size: 24px; }

.radar-panel {
  position: relative;
  min-height: 560px;
  padding: 36px;
  border: 1px solid rgba(255,255,255,.62);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(7,17,31,.92), rgba(18,39,64,.86));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.radar-panel::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: conic-gradient(from 0deg, transparent, rgba(0,200,215,.38), transparent 32%);
  animation: spin 5.5s linear infinite;
}
.radar {
  position: relative;
  width: min(420px, 80vw);
  aspect-ratio: 1;
  margin: 36px auto 20px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,200,215,.24), rgba(0,0,0,0) 62%);
  border: 1px solid rgba(255,255,255,.2);
}
.radar i { position: absolute; inset: 12%; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; }
.radar i:nth-child(2) { inset: 26%; }
.radar i:nth-child(3) { inset: 40%; }
.radar i:nth-child(4) { inset: 0; border-radius: 0; border-width: 0 1px 1px 0; transform: rotate(45deg) scale(.72); }
.dot { position: absolute; width: 11px; height: 11px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 24px var(--amber); animation: pulse 1.8s ease infinite; }
.d1 { left: 60%; top: 22%; }
.d2 { left: 28%; top: 58%; background: var(--cyan); box-shadow: 0 0 24px var(--cyan); animation-delay: .4s; }
.d3 { left: 70%; top: 68%; background: var(--red); box-shadow: 0 0 24px var(--red); animation-delay: .8s; }
.signal-list { position: relative; display: grid; gap: 12px; }
.signal-list p {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin: 0;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 6px;
  color: #fff;
  background: rgba(255,255,255,.08);
}
.signal-list span { color: rgba(255,255,255,.66); }

.section { padding: 88px max(28px, calc((100vw - 1180px) / 2)); }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head h2, .platform h2, .contact h2 { font-size: clamp(30px, 4vw, 48px); }
.pain-grid, .service-grid, .article-grid, .industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.pain-card, .service-card, .article-card, .contact-panel, .table-wrap, .capability-matrix, .article-row, .article-cta, .faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 14px 48px rgba(13, 30, 54, .08);
  backdrop-filter: blur(16px);
}
.pain-card { min-height: 180px; padding: 22px; }
.pain-card span { display: block; width: 38px; height: 4px; margin-bottom: 30px; background: linear-gradient(90deg, var(--red), var(--amber)); }
.service-grid { grid-template-columns: repeat(3, 1fr); }
.service-card { padding: 26px; position: relative; overflow: hidden; }
.service-card::after {
  content: "";
  position: absolute;
  inset: auto 22px 0 auto;
  width: 82px;
  height: 82px;
  border: 1px solid rgba(0,200,215,.2);
  border-radius: 50%;
  transform: translateY(42px);
}
.service-index { color: var(--cyan); font-weight: 900; }
.service-card h3 { margin: 18px 0 12px; font-size: 22px; }
.service-card p, .article-card p, .article-row p, .platform p, .faq p, .contact p { color: var(--muted); }

.platform {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 40px;
  align-items: center;
  background: linear-gradient(180deg, rgba(7,17,31,.96), rgba(13,35,58,.94));
}
.platform h2, .platform p { color: #fff; }
.platform .eyebrow { color: var(--cyan); }
.capability-matrix { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; padding: 1px; background: rgba(255,255,255,.12); }
.capability-matrix div { padding: 28px; background: rgba(255,255,255,.08); color: #fff; }
.capability-matrix b { display: block; color: var(--amber); margin-bottom: 12px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 18px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: #fff; background: #102644; }
td:first-child { font-weight: 700; color: var(--ink); }

.industry-grid { grid-template-columns: repeat(3, 1fr); }
.industry-pill { padding: 18px 20px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.66); text-align: center; font-weight: 700; }
.article-grid { grid-template-columns: repeat(3, 1fr); }
.article-card { padding: 24px; }
.article-card time, .article-row time, .article-meta, .tag { color: var(--muted); font-size: 13px; }
.article-card h3 { margin: 14px 0 10px; font-size: 21px; }
.text-link { color: var(--blue); font-weight: 700; }
.center { justify-content: center; }

.faq-list { display: grid; gap: 12px; max-width: 920px; }
.faq details { padding: 18px 22px; }
.faq summary { cursor: pointer; font-weight: 800; color: var(--ink); }

.contact-panel {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 32px;
  padding: 32px;
  background: linear-gradient(135deg, rgba(255,255,255,.82), rgba(231,245,248,.78));
}
.contact-qr { width: 132px; border: 8px solid #fff; border-radius: 8px; box-shadow: 0 10px 28px rgba(13,30,54,.12); }
.lead-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.lead-form label { display: grid; gap: 7px; color: var(--ink); font-weight: 700; }
.lead-form input, .lead-form select, .lead-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 13px;
  font: inherit;
  background: rgba(255,255,255,.86);
}
.lead-form label:nth-child(6), .lead-form button, .form-result { grid-column: 1 / -1; }
.form-result { margin: 0; min-height: 24px; color: var(--green); }

.sub-hero {
  padding: 150px max(28px, calc((100vw - 980px) / 2)) 60px;
  text-align: center;
}
.sub-hero h1 { font-size: clamp(36px, 6vw, 66px); }
.sub-hero p { max-width: 760px; margin: 18px auto 0; color: var(--muted); }
.article-list { max-width: 980px; margin: 0 auto; display: grid; gap: 16px; }
.article-row { display: grid; grid-template-columns: 120px 1fr; gap: 22px; padding: 24px; }
.article-row h2 { margin: 8px 0; font-size: 25px; }
.article-detail { max-width: 1180px; margin: 0 auto; padding: 132px 24px 90px; }
.article-hero { max-width: 860px; margin: 0 auto 34px; text-align: center; }
.article-detail h1 { font-size: clamp(32px, 4.2vw, 52px); letter-spacing: 0; }
.article-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 28px; align-items: start; }
.article-sidebar { position: sticky; top: 96px; display: grid; gap: 14px; }
.article-toc, .side-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.86);
  box-shadow: 0 12px 36px rgba(13, 30, 54, .08);
}
.article-toc strong, .side-card strong { display: block; margin-bottom: 10px; color: var(--ink); }
.article-toc a, .side-card a {
  display: block;
  margin: 8px 0;
  color: #415064;
  font-size: 14px;
  line-height: 1.45;
}
.article-toc .toc-level-3 { padding-left: 12px; color: var(--muted); }
.article-toc a:hover, .side-card a:hover { color: var(--blue); }
.article-main { min-width: 0; }
.article-cover {
  margin: 0 0 22px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.article-cover img { width: 100%; height: auto; }
.article-body {
  padding: 40px 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.84);
  box-shadow: var(--shadow);
}
.article-link-map {
  margin: 0 0 22px;
  padding: 22px;
  border: 1px solid rgba(15,103,255,.16);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,255,255,.9), rgba(231,245,248,.82));
  box-shadow: 0 12px 36px rgba(13, 30, 54, .08);
}
.article-link-map h2 {
  margin: 0 0 14px;
  font-size: 22px;
}
.link-map-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.link-map-grid a {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255,255,255,.74);
  color: #102644;
  font-weight: 800;
  line-height: 1.45;
}
.link-map-grid a:hover { color: var(--blue); border-color: rgba(15,103,255,.28); }
.article-body h1 { display: none; }
.article-body h2 {
  margin: 40px 0 16px;
  padding-top: 4px;
  color: var(--ink);
  font-size: 25px;
  line-height: 1.35;
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 {
  margin: 26px 0 10px;
  color: #102644;
  font-size: 20px;
  line-height: 1.4;
}
.article-body p {
  margin: 0 0 18px;
  color: #344255;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.95;
}
.article-body strong { color: #102644; font-weight: 800; }
.article-body a { color: var(--blue); font-weight: 700; border-bottom: 1px solid rgba(15,103,255,.25); }
.article-body ul { margin: 0 0 20px; padding-left: 22px; color: #344255; }
.article-body li { margin: 8px 0; line-height: 1.85; }
.article-cta { margin-top: 22px; padding: 26px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.article-faq {
  margin-top: 22px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.84);
}
.article-faq h2 { margin-bottom: 16px; }
.article-faq details { border-top: 1px solid var(--line); padding: 14px 0; }
.article-faq summary { cursor: pointer; color: var(--ink); font-weight: 800; }
.related-box {
  margin-top: 22px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.84);
}
.related-box h2 { margin-bottom: 14px; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.related-grid a, .article-pager a {
  display: block;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255,255,255,.72);
  color: #102644;
  font-weight: 700;
  line-height: 1.55;
}
.article-pager { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 22px; }
.service-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.site-footer {
  padding: 56px max(28px, calc((100vw - 1180px) / 2)) 28px;
  color: rgba(255,255,255,.72);
  background: #07111f;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr .8fr; gap: 28px; }
.footer-logo { width: 54px; height: 54px; object-fit: contain; margin-bottom: 12px; border-radius: 6px; }
.site-footer h3 { color: #fff; font-size: 18px; margin-bottom: 12px; }
.site-footer a { display: block; color: rgba(255,255,255,.72); margin: 6px 0; }
.site-footer a:hover { color: #fff; }
.qr { width: 118px; border-radius: 6px; background: #fff; }
.copyright { margin-top: 32px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); }
.copyright a { display: inline; }

.reveal { opacity: 1; transform: translateY(0); transition: opacity .7s ease, transform .7s ease; }
body:not(.loaded) .reveal { opacity: 0; transform: translateY(24px); }
.reveal.in { opacity: 1; transform: translateY(0); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.65); opacity: .45; } }

@media (max-width: 960px) {
  .site-header { top: 10px; width: calc(100% - 20px); }
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255,255,255,.96);
  }
  .main-nav.open { display: flex; }
  .hero, .platform, .contact-panel { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; order: 2; }
  .article-main { order: 1; }
  .hero { padding-top: 120px; min-height: auto; }
  .radar-panel { min-height: 430px; }
  .hero-stats, .pain-grid, .service-grid, .article-grid, .industry-grid, .footer-grid, .lead-form, .service-detail-grid { grid-template-columns: 1fr; }
  .article-row { grid-template-columns: 1fr; }
  .related-grid, .article-pager, .link-map-grid { grid-template-columns: 1fr; }
  .article-cta { display: block; }
}

@media (max-width: 560px) {
  .hero, .section, .site-footer { padding-left: 18px; padding-right: 18px; }
  .hero h1 { font-size: 36px; }
  .brand small { display: none; }
  .brand b { font-size: 16px; }
  .signal-list p { display: block; }
  .contact-panel, .article-body, .article-faq, .related-box { padding: 20px; }
  .article-detail { padding-left: 18px; padding-right: 18px; }
  .article-body p { font-size: 16px; line-height: 1.9; }
  .article-body h2 { font-size: 22px; }
  .sub-hero { padding-left: 18px; padding-right: 18px; }
}
