:root {
  --soy: #18a058;
  --soy-hover: #36ad6a;
  --soy-soft: #e8f8ef;
  --ink: #333639;
  --text: #4c4f53;
  --muted: #9ba1a6;
  --line: #e8eaec;
  --bg: #f6f9f8;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.soy-body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.65;
}
a { color: var(--soy); text-decoration: none; }
img { max-width: 100%; height: auto; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.row { display: flex; flex-wrap: wrap; margin-left: -12px; margin-right: -12px; }
.row.g-3 { margin-left: -8px; margin-right: -8px; }
.row.g-3 > [class*="col-"] { padding-left: 8px; padding-right: 8px; margin-bottom: 16px; }
.row.g-4 { row-gap: 24px; }
.row.g-5 { row-gap: 32px; }
[class*="col-"] { padding-left: 12px; padding-right: 12px; width: 100%; }
.col-12 { width: 100%; }
.col-md-4 { width: 33.333%; }
.col-md-6 { width: 50%; }
.col-md-8 { width: 66.666%; }
.col-lg-2 { width: 16.666%; }
.col-lg-3 { width: 25%; }
.col-lg-4 { width: 33.333%; }
.col-lg-6 { width: 50%; }
.col-lg-8 { width: 66.666%; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.text-center { text-align: center; }
.text-end, .text-md-end { text-align: right; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-5 { margin-bottom: 40px; }
.mt-3 { margin-top: 12px; }
.mt-5 { margin-top: 40px; }
.me-1 { margin-right: 4px; }
.me-2 { margin-right: 8px; }
.me-3 { margin-right: 12px; }
.ms-1 { margin-left: 4px; }
.ms-2 { margin-left: 8px; }
.gap-2 { gap: 8px; }
.py-5 { padding-top: 32px; padding-bottom: 32px; }
.lead { font-size: 16px; color: var(--text); }
.text-muted { color: var(--muted); }
.text-white { color: #fff; }

.soy-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.soy-header.is-scrolled { box-shadow: 0 4px 16px rgba(24,160,88,.08); }
.soy-bar { height: 56px; display: flex; align-items: center; gap: 28px; }
.soy-logo { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 16px; flex: 0 0 auto; }
.soy-logo:hover { color: var(--ink); }
.soy-logo-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, #18a058, #36ad6a);
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800;
}
.soy-menu { display: flex; align-items: center; gap: 4px; flex: 1 1 auto; justify-content: flex-end; }
.soy-item { position: relative; }
.soy-item > a {
  display: inline-flex; align-items: center; height: 56px; padding: 0 12px;
  color: #4c4f53; font-size: 14px; font-weight: 500; border-radius: 6px;
}
.soy-item > a:hover, .soy-item > a.is-active { color: var(--soy); background: var(--soy-soft); }
.soy-sub {
  display: none; position: absolute; top: 56px; left: 0; min-width: 160px;
  background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px;
  box-shadow: 0 10px 28px rgba(0,0,0,.08);
}
.soy-item.has-sub:hover .soy-sub { display: block; }
.soy-sub a { display: block; padding: 8px 10px; color: var(--ink); border-radius: 6px; font-size: 13px; }
.soy-sub a:hover { background: var(--soy-soft); color: var(--soy); }
.soy-right { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.soy-lang { position: relative; }
.soy-lang-btn {
  height: 32px; padding: 0 10px; border: 1px solid var(--line); border-radius: 6px;
  background: #fff; color: var(--ink); cursor: pointer; font-size: 13px;
  display: inline-flex; align-items: center; gap: 6px;
}
.soy-lang-menu {
  display: none; position: absolute; right: 0; top: 38px; min-width: 128px;
  background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 6px;
  box-shadow: 0 10px 24px rgba(0,0,0,.08); z-index: 40;
}
.soy-lang:hover .soy-lang-menu,
.soy-lang.is-open .soy-lang-menu { display: block; }
.soy-lang-menu a { display: block; padding: 8px 10px; color: var(--ink); border-radius: 6px; font-size: 13px; }
.soy-lang-menu a:hover,
.soy-lang-menu a.is-active { background: var(--soy-soft); color: var(--soy); }
.soy-contact-btn {
  height: 32px; padding: 0 14px; border-radius: 6px;
  background: var(--soy); color: #fff !important; font-size: 13px;
  display: inline-flex; align-items: center; white-space: nowrap;
}
.soy-contact-btn:hover { background: var(--soy-hover); color: #fff !important; }
.soy-toggle { display: none; width: 36px; height: 36px; border: 0; background: transparent; cursor: pointer; padding: 8px; }
.soy-toggle span { display: block; height: 2px; background: var(--ink); margin: 5px 0; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 72px;
  background:
    radial-gradient(700px 240px at 88% 12%, rgba(24,160,88,.16), transparent 60%),
    linear-gradient(180deg, #f3fbf6 0%, #ffffff 70%);
}
.hero-title { font-size: 36px; line-height: 1.3; font-weight: 720; margin: 0 0 16px; color: var(--ink); }
.hero-subtitle { font-size: 16px; color: var(--text); max-width: 540px; margin: 0 0 28px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-image { min-height: 260px; position: relative; }
.hero-image img { display: none; }
.hero-image::before {
  content: "";
  position: absolute; left: 50%; top: 50%; width: 240px; height: 240px;
  transform: translate(-50%, -50%);
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(24,160,88,.18), rgba(54,173,106,.08)),
    radial-gradient(circle at 30% 30%, #18a058 0 12%, transparent 13%);
  border: 1px solid rgba(24,160,88,.18);
}

.section { padding: 80px 0; background: #fff; }
.section.bg-light { background: var(--bg); }
.section.bg-primary { background: linear-gradient(120deg, #18a058, #36ad6a); color: #fff; }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 { font-size: 28px; margin: 0 0 8px; color: var(--ink); }
.section-title p { margin: 0; color: var(--muted); }
.section.bg-primary .section-title h2,
.section.bg-primary .section-title p,
.section.bg-primary .stat-label { color: rgba(255,255,255,.9); }

.feature-card, .service-card, .card, .office-card, .contact-form, .contact-info-card,
.mission-card, .vision-card, .value-card, .service-detail-card, .news-list-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  height: 100%;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.feature-card:hover, .service-card:hover, .office-card:hover, .card:hover {
  border-color: #b4e0c4;
  box-shadow: 0 10px 24px rgba(24,160,88,.1);
}
.feature-icon, .service-icon, .contact-info-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--soy-soft); color: var(--soy);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px; font-size: 18px;
}
.feature-card h5, .service-card h5, .card-title, .office-card h5 { margin: 0 0 8px; font-size: 16px; }
.feature-card p, .service-card p, .card-text { color: var(--text); margin: 0 0 16px; font-size: 14px; }
.stat-number { font-size: 40px; font-weight: 750; margin: 0; color: #fff; }
.stat-label { margin: 6px 0 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 34px; padding: 0 14px; border-radius: 6px; border: 1px solid transparent;
  font-size: 14px; cursor: pointer; background: #fff; color: var(--ink); line-height: 1;
}
.btn-lg { height: 40px; padding: 0 18px; }
.btn-sm { height: 28px; padding: 0 12px; font-size: 13px; }
.btn-primary { background: var(--soy); color: #fff; }
.btn-primary:hover { background: var(--soy-hover); color: #fff; }
.btn-outline-primary { background: #fff; border-color: #b4e0c4; color: var(--soy); }
.btn-light { background: var(--soy); color: #fff; }
.btn-light:hover { background: var(--soy-hover); color: #fff; }
.btn-outline-light { background: #fff; border-color: var(--line); color: var(--ink); }

.form-label { display: block; margin-bottom: 6px; color: var(--text); font-size: 13px; }
.form-control, .form-select {
  width: 100%; height: 34px; border: 1px solid var(--line); border-radius: 6px;
  padding: 4px 12px; font-size: 14px; background: #fff; outline: none;
}
textarea.form-control { height: auto; padding: 10px 12px; }
.form-control:focus { border-color: var(--soy); box-shadow: 0 0 0 3px rgba(24,160,88,.15); }
.form-control.is-invalid { border-color: #d03050; }
.form-text { color: var(--muted); font-size: 12px; margin-top: 4px; }
.input-group { display: flex; }
.input-group-text {
  display: inline-flex; align-items: center; padding: 0 12px;
  border: 1px solid var(--line); border-right: 0; background: var(--bg);
  border-radius: 6px 0 0 6px; font-size: 13px;
}
.input-group .form-control { border-radius: 0 6px 6px 0; }
.alert { position: relative; padding: 12px 36px 12px 16px; border-radius: 8px; margin-bottom: 20px; }
.alert-success { background: #e8f8ef; color: #18a058; }
.alert-danger { background: #ffece8; color: #d03050; }
.alert-warning { background: #fff7e8; color: #f0a020; }
.btn-close { position: absolute; right: 10px; top: 10px; border: 0; background: transparent; cursor: pointer; }
.btn-close::before { content: "×"; font-size: 18px; }
.contact-info-item { display: flex; gap: 12px; margin-bottom: 16px; }
.office-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.office-badge { background: var(--soy-soft); color: var(--soy); border-radius: 99px; padding: 2px 10px; font-size: 12px; }
.office-details p { color: var(--text); margin: 0 0 8px; font-size: 14px; }
.office-details i { width: 18px; color: var(--soy); margin-right: 8px; }
.map-placeholder { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 48px 24px; }
.badge { display: inline-block; background: var(--soy-soft); color: var(--soy); border-radius: 99px; padding: 2px 8px; font-size: 12px; }
.timeline { position: relative; padding-left: 24px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 0; bottom: 0; width: 2px; background: #b4e0c4; }
.timeline-item { position: relative; margin-bottom: 24px; }
.timeline-marker { position: absolute; left: -21px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--soy); }
.timeline-content { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.accordion-item { background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 12px; overflow: hidden; }
.accordion-button { width: 100%; text-align: left; background: #fff; border: 0; padding: 16px 18px; font-size: 15px; font-weight: 600; cursor: pointer; }
.accordion-collapse { display: none; padding: 0 18px 16px; color: var(--text); }
.accordion-collapse.show { display: block; }

.soy-footer { background: #1f2329; color: rgba(255,255,255,.72); padding: 56px 0 24px; }
.soy-footer h5 { color: #fff; font-size: 15px; margin: 0 0 16px; }
.soy-footer-logo { margin-bottom: 14px; color: #fff; }
.soy-footer-logo .soy-logo-text { color: #fff; }
.soy-footer-desc { font-size: 14px; line-height: 1.8; margin: 0 0 16px; }
.soy-footer-meta p, .soy-footer ul li { margin: 0 0 10px; font-size: 14px; }
.soy-footer-meta i { width: 18px; color: #36ad6a; margin-right: 8px; }
.soy-footer a { color: rgba(255,255,255,.72); }
.soy-footer a:hover { color: #fff; }
.soy-hours { display: grid; gap: 4px; }
.soy-follow { margin: 16px 0 8px; font-size: 13px; }
.soy-social { display: flex; gap: 8px; }
.soy-social a {
  width: 32px; height: 32px; border-radius: 8px; border: 1px solid rgba(255,255,255,.12);
  display: inline-flex; align-items: center; justify-content: center; color: #fff;
}
.soy-social a:hover { background: var(--soy); border-color: var(--soy); }
.soy-footer-bottom {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; color: rgba(255,255,255,.42);
}
.soy-backtop {
  position: fixed; right: 24px; bottom: 24px; width: 40px; height: 40px; border: 0; border-radius: 8px;
  background: var(--soy); color: #fff; cursor: pointer; display: none; z-index: 30;
}
.soy-backtop.is-show { display: inline-flex; align-items: center; justify-content: center; }

@media (max-width: 991.98px) {
  .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-6, .col-lg-8 { width: 100%; }
  .hero-title { font-size: 26px; }
  .hero { padding: 48px 0; }
  .section { padding: 56px 0; }
  .soy-logo-text { display: none; }
  .soy-contact-btn { display: none; }
  .soy-toggle { display: block; }
  .soy-bar { position: relative; }
  .soy-menu {
    display: none; position: absolute; left: 0; right: 0; top: 56px;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; padding: 8px 24px 16px; justify-content: flex-start;
  }
  .soy-menu.is-open { display: flex; }
  .soy-item > a { height: 44px; }
}
@media (max-width: 767.98px) {
  .col-md-4, .col-md-6, .col-md-8 { width: 100%; }
  .text-md-end { text-align: left; }
  .hero-buttons .btn { width: 100%; }
  .hero-image { min-height: 180px; }
}