/* Template 2 — Signal Hub · editorial light + floating contact card */
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; width: 100%; overflow-x: hidden; }
*, *:before, *:after { box-sizing: border-box; }

body.z64020body {
  font-family: Georgia, "Songti SC", "SimSun", "Microsoft YaHei", serif;
  color: #1c2b24;
  background: #f7f4ef;
  line-height: 1.75;
  word-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.z64020container {
  width: 92%;
  max-width: 1180px;
  margin: 0 auto;
}

.z64020header {
  background: #fff;
  border-bottom: 1px solid #e2ddd3;
  position: sticky; top: 0; z-index: 100;
}
.z64020header-inner {
  display: flex; align-items: center; min-height: 70px; gap: 12px;
}
.z64020logo {
  display: flex; align-items: center; gap: 10px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-weight: 700; max-width: 42%; flex-shrink: 0;
}
.z64020logo-mark {
  width: 38px; height: 38px; border-radius: 50%;
  background: #1a4d3c; color: #f0c75e;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; flex-shrink: 0;
}
.z64020logo-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.z64020nav-toggle { position: absolute; left: -9999px; opacity: 0; }
.z64020nav-btn { display: none; margin-left: auto; padding: 10px; cursor: pointer; }
.z64020nav-btn span { display: block; width: 22px; height: 2px; margin: 5px 0; background: #1a4d3c; }
.z64020nav { margin-left: auto; }
.z64020nav-list {
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px 16px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
.z64020nav-link { color: #4a5c52; font-size: 14px; }
.z64020nav-link:hover { color: #1a4d3c; }
.z64020nav-cta {
  background: #1a4d3c; color: #fff !important;
  padding: 8px 14px; border-radius: 999px; font-weight: 600;
}

.z64020btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-weight: 700; font-size: 14px; border: 2px solid transparent; text-align: center;
}
.z64020btn-primary { background: #1a4d3c; color: #fff !important; }
.z64020btn-primary:hover { background: #0f3228; }
.z64020btn-line { border-color: #1a4d3c; color: #1a4d3c !important; }
.z64020btn-line:hover { background: #1a4d3c; color: #fff !important; }
.z64020btn-block { display: block; width: 100%; }

/* Banner — copy + floating card */
.z64020banner {
  padding: 56px 0 40px;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(26,77,60,.08), transparent 50%),
    linear-gradient(180deg, #eef6f1 0%, #f7f4ef 100%);
}
.z64020banner-frame {
  display: grid;
  grid-template-columns: 1.35fr .75fr;
  gap: 36px;
  align-items: start;
}
.z64020banner-brand {
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  color: #1a4d3c; font-size: 13px; letter-spacing: .08em;
  font-weight: 700; margin-bottom: 12px;
}
.z64020banner-title {
  font-size: clamp(30px, 4.5vw, 46px);
  line-height: 1.2; color: #132820; margin-bottom: 16px;
}
.z64020banner-desc {
  font-size: 16px; color: #4a5c52; max-width: 560px; margin-bottom: 24px;
}
.z64020banner-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.z64020banner-figure {
  border-radius: 12px; overflow: hidden;
  box-shadow: 0 18px 40px rgba(26,77,60,.12);
  border: 1px solid #d9e5de;
}
.z64020banner-figure img { width: 100%; height: 280px; object-fit: cover; }
.z64020banner-card {
  background: #fff;
  border: 1px solid #d9e5de;
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 20px 50px rgba(26,77,60,.1);
  position: sticky; top: 90px;
}
.z64020card-label {
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 12px; color: #8a7350; letter-spacing: .1em; margin-bottom: 8px;
}
.z64020banner-card h2 {
  font-size: 22px; color: #1a4d3c; margin-bottom: 20px; line-height: 1.35;
}
.z64020banner-card li {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 12px 0; border-bottom: 1px dashed #e2ddd3;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif; font-size: 14px;
}
.z64020banner-card li span { color: #6b7c72; }
.z64020banner-card li strong { color: #132820; }
.z64020banner-card .z64020btn { margin-top: 20px; }

.z64020ad { padding: 12px 0; text-align: center; }
.z64020section { padding: 70px 0; }
.z64020section-head { text-align: center; margin-bottom: 36px; }
.z64020section-head-left { text-align: left; }
.z64020section-title { font-size: clamp(24px, 3vw, 32px); color: #132820; margin-bottom: 10px; }
.z64020section-desc { color: #5a6b62; max-width: 560px; }
.z64020section-head-left .z64020section-desc { margin: 0; }

.z64020service { background: #fff; }
.z64020service-list { display: grid; gap: 0; border-top: 1px solid #e2ddd3; }
.z64020service-row {
  display: grid; grid-template-columns: 72px 1fr; gap: 18px;
  padding: 22px 0; border-bottom: 1px solid #e2ddd3; align-items: start;
}
.z64020service-num {
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 28px; font-weight: 800; color: #c5b48a; line-height: 1;
}
.z64020service-row h3 { font-size: 18px; margin-bottom: 6px; color: #1a4d3c; }
.z64020service-row p { color: #5a6b62; font-size: 15px; }

.z64020scope { background: #eef6f1; }
.z64020scope-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.z64020scope-col {
  background: #fff; border-radius: 12px; padding: 28px 24px;
  border: 1px solid #d9e5de;
}
.z64020scope-yes { border-top: 4px solid #1a4d3c; }
.z64020scope-no { border-top: 4px solid #a84b3b; }
.z64020scope-col h3 { font-size: 20px; margin-bottom: 16px; }
.z64020scope-col li {
  position: relative; padding: 8px 0 8px 18px; color: #4a5c52; font-size: 14px;
}
.z64020scope-col li:before {
  content: ""; position: absolute; left: 0; top: 16px;
  width: 8px; height: 8px; border-radius: 50%;
}
.z64020scope-yes li:before { background: #1a4d3c; }
.z64020scope-no li:before { background: #a84b3b; }

.z64020process { background: #f7f4ef; }
.z64020steps-col { max-width: 760px; margin: 0 auto; display: grid; gap: 18px; }
.z64020steps-col li {
  display: grid; grid-template-columns: 48px 1fr; gap: 16px;
  background: #fff; border-radius: 12px; padding: 20px 18px;
  border: 1px solid #e2ddd3;
}
.z64020steps-col span {
  width: 48px; height: 48px; border-radius: 50%;
  background: #1a4d3c; color: #f0c75e;
  display: flex; align-items: center; justify-content: center;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-weight: 800; font-size: 18px;
}
.z64020steps-col h3 { font-size: 17px; margin-bottom: 6px; }
.z64020steps-col p { color: #5a6b62; font-size: 14px; }

.z64020contact { background: #fff; }
.z64020contact-wrap {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px;
}
.z64020contact-panel,
.z64020contact-aside {
  border: 1px solid #e2ddd3; border-radius: 12px; padding: 28px 24px;
  background: #faf8f4;
}
.z64020contact-panel h3,
.z64020contact-aside h3 { font-size: 18px; margin-bottom: 16px; color: #1a4d3c; }
.z64020contact-list li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid #e2ddd3;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif; font-size: 14px;
}
.z64020contact-list span { color: #6b7c72; }
.z64020contact-list a, .z64020contact-list strong { color: #132820; font-weight: 700; }
.z64020contact-aside ol { list-style: decimal; padding-left: 18px; margin-bottom: 20px; }
.z64020contact-aside li { color: #5a6b62; font-size: 14px; margin-bottom: 8px; }

.z64020faq { background: #eef6f1; }
.z64020faq-narrow { max-width: 780px; }
.z64020faq-item {
  background: #fff; border: 1px solid #d9e5de; border-radius: 10px;
  margin-bottom: 10px; overflow: hidden;
}
.z64020faq-item summary {
  cursor: pointer; padding: 16px 18px; font-weight: 700; color: #1a4d3c;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif; list-style: none;
}
.z64020faq-item summary::-webkit-details-marker { display: none; }
.z64020faq-a { padding: 0 18px 16px; color: #5a6b62; font-size: 14px; }

.z64020about { background: #1a4d3c; color: #e8f2ed; }
.z64020about .z64020section-title { color: #fff; }
.z64020about .z64020section-desc { color: #b7d0c4; }
.z64020about-band {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center;
}
.z64020about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.z64020stat {
  background: rgba(255,255,255,.08); border-radius: 10px; padding: 18px 12px; text-align: center;
}
.z64020stat-num {
  display: block; font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 22px; font-weight: 800; color: #f0c75e; margin-bottom: 4px;
}
.z64020stat-label { font-size: 12px; color: #b7d0c4; }

.z64020flink { background: #f7f4ef; }
.z64020flink-list {
  display: flex; flex-wrap: wrap; gap: 10px 14px; justify-content: center;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
.z64020flink-list a {
  padding: 8px 14px; background: #fff; border: 1px solid #e2ddd3;
  border-radius: 999px; font-size: 13px; color: #1a4d3c;
}
.z64020flink-list a:hover { background: #1a4d3c; color: #fff; }

.z64020footer {
  background: #132820; color: #a8beb2; padding: 36px 0;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
.z64020footer-inner { text-align: center; }
.z64020footer-brand { color: #fff; font-size: 18px; font-weight: 700; margin-bottom: 14px; }
.z64020footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; margin-bottom: 18px; }
.z64020footer-nav a:hover { color: #f0c75e; }
.z64020footer-power p { font-size: 12px; margin-bottom: 4px; }

@media (max-width: 960px) {
  .z64020banner-frame,
  .z64020scope-wrap,
  .z64020contact-wrap,
  .z64020about-band { grid-template-columns: 1fr; }
  .z64020banner-card { position: static; }
}
@media (max-width: 768px) {
  .z64020nav-btn { display: block; }
  .z64020nav { display: none; }
  .z64020nav-toggle:checked ~ .z64020nav {
    display: block; position: absolute; left: 0; right: 0; top: 70px;
    background: #fff; border-bottom: 1px solid #e2ddd3; padding: 16px 20px 20px;
  }
  .z64020nav-toggle:checked ~ .z64020nav .z64020nav-list {
    flex-direction: column; align-items: flex-start; gap: 12px;
  }
  .z64020about-stats { grid-template-columns: 1fr; }
  .z64020service-row { grid-template-columns: 48px 1fr; }
}