:root {
  --green: #387d39;
  --green-dark: #205c2b;
  --green-soft: #edf6ee;
  --green-mist: #f5faf5;
  --ink: #263229;
  --muted: #6c776e;
  --line: #dce8dc;
  --ivory: #fffef9;
  --paper: #faf9f2;
  --red: #9e2d28;
  --shadow: 0 16px 44px rgba(38, 66, 41, .1);
  --container: min(1180px, calc(100% - 48px));
  --serif: "Microsoft YaHei", "微软雅黑", sans-serif;
  --sans: "Microsoft YaHei", "微软雅黑", sans-serif;
}
body {
  color: var(--ink);
  background: var(--ivory);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
.container { width: var(--container); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 999; padding: 10px 18px; background: #fff; color: var(--green-dark); }
.skip-link:focus { top: 12px; }
.site-header {
  position: relative;
  z-index: 100;
  height: 88px;
  background: rgba(255, 254, 249, .96);
  border-bottom: 1px solid rgba(56,125,57,.12);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: block; min-width: 0; flex: 0 1 auto; }
.brand img { width: 286px; height: auto; }
.site-nav ul { display: flex; align-items: center; gap: clamp(20px, 2.5vw, 42px); }
.site-nav a { position: relative; display: block; padding: 25px 0 24px; font-size: 22px; font-weight: 600; white-space: nowrap; }
.site-nav a::after { content: ""; position: absolute; left: 50%; bottom: 18px; width: 0; height: 2px; background: var(--green); transition: .25s ease; transform: translateX(-50%); }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a.active { color: var(--green); }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { width: 26px; }
.nav-toggle { display: none; width: 44px; height: 44px; flex: 0 0 44px; place-items: center; background: transparent; border: 1px solid var(--line); border-radius: 50%; }
.nav-toggle img { width: 23px; }
:focus-visible { outline: 3px solid rgba(56,125,57,.28); outline-offset: 3px; }
.section { padding: 60px 0; }
.section-soft { background: linear-gradient(180deg, rgba(238,247,238,.55), rgba(255,254,249,.7)); }
.section-heading { position: relative; display: flex; align-items: center; justify-content: center; margin-bottom: 30px; text-align: center; }
.section-heading::before, .section-heading::after { content: ""; width: 100px; height: 1px; background: linear-gradient(90deg, transparent, rgba(56,125,57,.52)); }
.section-heading::after { background: linear-gradient(90deg, rgba(56,125,57,.52), transparent); }
.section-heading h2 { margin: 0 18px; color: var(--green-dark); font: 700 clamp(28px, 3vw, 38px)/1.25 var(--serif); letter-spacing: .18em; white-space: nowrap; }
.section-heading h2::before, .section-heading h2::after { content: ""; display: inline-block; width: 14px; height: 14px; margin: 0 10px; background: url("../images/icons/diamond.svg") center / contain no-repeat; vertical-align: middle; }
.more-link { position: absolute; right: 0; top: 50%; display: inline-flex; align-items: center; gap: 6px; color: var(--green); font-size: 14px; transform: translateY(-50%); }
.more-link img { width: 16px; transition: transform .2s ease; }
.more-link:hover img { transform: translateX(4px); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 9px 22px; color: var(--green-dark); background: transparent; border: 1px solid var(--green); transition: .2s ease; }
.button:hover { color: #fff; background: var(--green); }
.button img { width: 18px; }
.button:hover img { filter: brightness(0) invert(1); }
.site-footer {
  position: relative;
  z-index: 1;
  min-height: 190px;
  color: #fff;
  background: var(--green);
  isolation: isolate;
}
.site-footer::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: 0;
  bottom: 0;
  width: min(82vw, 1180px);
  height: 360px;
  pointer-events: none;
  background: url("../images/10009.png") right bottom / contain no-repeat;
}
.footer-inner { position: relative; z-index: 1; min-height: 150px; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 22px 0; }
.footer-brand { max-width: 540px; }
.footer-brand img { width: min(390px, 100%); margin-bottom: 16px; }
.footer-info { font-size: 14px; line-height: 1.9; opacity: .92; }
.footer-note { position: relative; z-index: 1; padding: 10px 24px; text-align: center; font-size: 13px; background: rgba(18,67,29,.5); }
.page-hero {
  min-height: 248px;
  display: grid;
  place-items: center;
  text-align: center;
  background: linear-gradient(rgba(244,251,245,.38), rgba(244,251,245,.72)), url("../images/10008.png") center / cover no-repeat;
}
.page-hero h1 { color: var(--green-dark); font: 700 clamp(30px, 3.8vw, 44px)/1.2 var(--serif); letter-spacing: .08em; }
.breadcrumbs { margin-top: 12px; color: var(--muted); font-size: 13px; }
.breadcrumbs a:hover { color: var(--green); }
.empty-state { padding: 24px; color: var(--muted); text-align: center; background: var(--green-mist); border: 1px dashed #b8cdb9; }
.modal { position: fixed; inset: 0; z-index: 300; display: none; place-items: center; padding: 24px; background: rgba(17,31,20,.75); }
.modal.open { display: grid; }
.modal-dialog { width: min(920px, 100%); max-height: 90vh; overflow: auto; background: #fff; box-shadow: var(--shadow); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.modal-close { width: 42px; height: 42px; display: grid; place-items: center; background: transparent; border-radius: 50%; }
.modal-close:hover { background: var(--green-soft); }
.modal-close img { width: 23px; }
.modal-body { min-height: 440px; display: grid; place-items: center; padding: 40px; text-align: center; background: #f4f5f2; }
.preview-file img { width: 60px; margin: 0 auto 18px; }
.preview-file h3 { margin-bottom: 8px; font-family: var(--serif); font-size: 26px; }
.preview-file p { max-width: 560px; color: var(--muted); }
.preview-file .button { margin-top: 24px; }