* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1f2937;
  background: #f8fafc;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.site-header { background: #fff; border-bottom: 1px solid #e5e7eb; position: sticky; top: 0; z-index: 100; }
.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 12px;
  position: relative;
}
.logo {
  font-size: 17px;
  font-weight: 700;
  color: #2563eb;
  flex: 1;
  min-width: 0;
  line-height: 1.35;
}
.logo a { color: inherit; }

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex: 1;
  min-width: 0;
}
.header-auth {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.member-greeting {
  font-size: 13px;
  color: #475569;
  max-width: 88px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.auth-btn {
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #374151;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.auth-btn:hover { border-color: #93c5fd; color: #2563eb; }
.auth-btn-primary {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}
.auth-btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; color: #fff; }
.auth-btn-outline { background: #fff; }
.auth-btn-block { width: 100%; margin-top: 4px; padding: 10px 14px; }

.member-modal-title { font-size: 20px; color: #1e3a8a; margin-bottom: 20px; }
.member-form { display: flex; flex-direction: column; gap: 14px; }
.member-form-group label { display: block; font-size: 13px; color: #64748b; margin-bottom: 6px; }
.member-form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 14px;
}
.member-form-group input:focus { outline: none; border-color: #93c5fd; box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.member-form-group input:disabled { background: #f8fafc; color: #64748b; }
.member-captcha-row { display: flex; gap: 10px; align-items: center; }
.member-captcha-row input { flex: 1; min-width: 0; }
.member-captcha-img {
  width: 110px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  object-fit: cover;
  flex-shrink: 0;
}
.member-form-error { font-size: 13px; color: #dc2626; margin: 0; }
.member-form-switch { text-align: center; font-size: 13px; color: #64748b; margin: 4px 0 0; }
.member-link-btn {
  border: none;
  background: none;
  color: #2563eb;
  cursor: pointer;
  font-size: 13px;
  padding: 0;
}
.site-modal-panel-sm { max-width: 420px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: #374151;
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}
.site-header.nav-open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.nav-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav { display: flex; flex-shrink: 0; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
.nav a { margin-left: 16px; color: #4b5563; font-size: 14px; white-space: nowrap; }
.nav a:hover { color: #2563eb; }

.hero { position: relative; height: 400px; overflow: hidden; background: linear-gradient(135deg, #1e3a8a, #0284c7); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s; }
.hero-slide.active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-caption { position: absolute; left: 40px; bottom: 40px; color: #fff; text-shadow: 0 2px 8px rgba(0,0,0,.4); max-width: 720px; }
.hero-caption h2 { font-size: 32px; margin-bottom: 8px; }
.hero-caption p { font-size: 16px; opacity: .95; }

.section { padding: 64px 0; }
.section-title { font-size: 28px; margin-bottom: 12px; text-align: center; }
.section-subtitle { text-align: center; color: #6b7280; margin-bottom: 32px; font-size: 15px; }

.badge-row { display: flex; justify-content: center; margin-bottom: 28px; }
.badge { background: linear-gradient(135deg, #1d4ed8, #2563eb); color: #fff; padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; box-shadow: 0 4px 14px rgba(37,99,235,.25); }

/* 关于我们 */
.about-section {
  background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}
.about-panel {
  background: #fff;
  border-radius: 20px;
  padding: 40px 44px;
  box-shadow: 0 8px 40px rgba(30, 58, 138, 0.08);
  border: 1px solid rgba(226, 232, 240, 0.9);
}
.about-panel-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f1f5f9;
}
.about-slogan {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #1e3a8a;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-cert-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #1d4ed8;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.about-cert-chip:hover {
  background: #dbeafe;
  border-color: #93c5fd;
  transform: translateY(-1px);
}
.chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  flex-shrink: 0;
}
.about-desc {
  font-size: 16px;
  line-height: 1.9;
  color: #374151;
  margin-bottom: 32px;
}
.about-values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.value-card {
  padding: 22px 20px;
  border-radius: 14px;
  background: linear-gradient(160deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid #e2e8f0;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.value-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.1);
  border-color: #bfdbfe;
}
.value-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  margin-bottom: 14px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}
.value-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 8px;
}
.value-card p {
  font-size: 14px;
  line-height: 1.7;
  color: #64748b;
}
.about-vision {
  margin: 0 0 28px;
  padding: 22px 24px;
  border-radius: 14px;
  background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
  border-left: 4px solid #2563eb;
}
.about-vision-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1d4ed8;
  margin-bottom: 10px;
}
.about-vision p {
  font-size: 15px;
  line-height: 1.85;
  color: #334155;
}
.about-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding-top: 24px;
  border-top: 1px solid #f1f5f9;
}
.contact-item {
  flex: 1;
  min-width: 200px;
  padding: 8px 24px 8px 0;
  border-right: 1px solid #e2e8f0;
}
.contact-item:last-child {
  border-right: none;
  padding-right: 0;
}
.contact-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #94a3b8;
  margin-bottom: 6px;
}
.contact-text {
  font-size: 14px;
  line-height: 1.6;
  color: #475569;
}

.hidden { display: none !important; }

.scope-section { background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 50%, #38bdf8 100%); color: #fff; }
.scope-section .section-title, .scope-section .section-subtitle { color: #fff; }
.scope-section .section-subtitle { opacity: .9; }
.scope-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.scope-item { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); border-radius: 12px; padding: 24px; }
.scope-item h4 { font-size: 16px; margin-bottom: 10px; font-weight: 700; }
.scope-item p { font-size: 14px; line-height: 1.8; opacity: .95; }
.scope-highlight { grid-column: 1 / -1; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.3); border-radius: 12px; padding: 24px 28px; }

.cases-grid { display: flex; flex-direction: column; gap: 32px; }
.case-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 24px rgba(0,0,0,.08); border: 1px solid #e5e7eb; display: grid; grid-template-columns: 360px 1fr; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.case-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(37,99,235,.12); }
.case-card-media { position: relative; min-height: 260px; background: #0f172a; }
.case-card-img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; display: block; }
.case-card-badge { position: absolute; top: 16px; left: 16px; background: rgba(37,99,235,.92); color: #fff; padding: 6px 12px; border-radius: 6px; font-size: 13px; font-weight: 600; }
.case-card-body { padding: 28px 32px; display: flex; flex-direction: column; }
.case-card-body h3 { font-size: 22px; color: #1e3a8a; margin-bottom: 6px; }
.case-card-body .subtitle { font-size: 14px; color: #2563eb; margin-bottom: 12px; font-weight: 500; }
.case-card-body .summary { font-size: 15px; color: #374151; line-height: 1.8; margin-bottom: 16px; flex: 1; }
.case-card-points { display: grid; gap: 8px; margin-bottom: 16px; }
.case-card-points li { font-size: 14px; color: #4b5563; line-height: 1.6; list-style: none; padding-left: 16px; position: relative; }
.case-card-points li::before { content: ''; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: #2563eb; }
.case-card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 12px; border-top: 1px solid #f3f4f6; }
.case-highlight { background: #eff6ff; color: #1d4ed8; padding: 4px 10px; border-radius: 6px; font-size: 13px; font-weight: 600; }
.case-more { font-size: 13px; color: #2563eb; }
.case-stats { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-bottom: 32px; }
.stat-item { background: #fff; padding: 20px 32px; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,.06); text-align: center; min-width: 140px; }
.stat-item strong { display: block; font-size: 28px; color: #2563eb; margin-bottom: 4px; }
.stat-item span { font-size: 13px; color: #6b7280; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-step { background: #fff; padding: 24px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,.06); text-align: center; position: relative; }
.process-step .num { width: 36px; height: 36px; background: #2563eb; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; margin: 0 auto 12px; }
.process-step h4 { font-size: 16px; margin-bottom: 8px; color: #1e3a8a; }
.process-step p { font-size: 13px; color: #6b7280; line-height: 1.7; }

.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.news-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,.06); transition: transform .2s; cursor: pointer; }
.news-card:hover { transform: translateY(-4px); }
.news-card img { width: 100%; height: 160px; object-fit: cover; }
.news-card .body { padding: 16px; }
.news-card h3 { font-size: 18px; margin-bottom: 8px; }
.news-card p { color: #6b7280; font-size: 14px; }
.news-date { margin-top: 10px; font-size: 12px; color: #9ca3af; }

.site-footer { background: #111827; color: #d1d5db; padding: 32px 0; text-align: center; font-size: 14px; }
.site-footer .en-name { margin-top: 6px; font-size: 12px; opacity: .7; }
.footer-icp { margin-top: 10px; font-size: 13px; }
.footer-icp .icp-link { color: #9ca3af; text-decoration: none; }
.footer-icp .icp-link:hover { color: #e5e7eb; text-decoration: underline; }

.cert-section { background: #f8fafc; padding: 0 0 64px; margin-top: -24px; }
.cert-list { display: flex; flex-direction: column; gap: 32px; }
.cert-card { display: grid; grid-template-columns: 1fr 420px; gap: 40px; align-items: center; background: #fff; border-radius: 16px; padding: 40px; box-shadow: 0 8px 32px rgba(185,28,28,.08); border: 1px solid #fecaca; }
.cert-title { font-size: 28px; color: #b91c1c; margin-bottom: 12px; font-weight: 700; }
.cert-subtitle { font-size: 15px; color: #6b7280; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid #fee2e2; }
.cert-text { font-size: 15px; color: #374151; line-height: 1.9; margin-bottom: 16px; text-align: justify; }
.cert-image-wrap { text-align: center; }
.cert-image { width: 100%; max-width: 380px; border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.cert-caption { margin-top: 12px; font-size: 13px; color: #6b7280; }

/* 案例详情页 */
.detail-header { background: linear-gradient(135deg, #1e3a8a, #2563eb); color: #fff; padding: 48px 0; }
.detail-header h1 { font-size: 28px; margin-bottom: 8px; }
.detail-header .sub { opacity: .9; font-size: 15px; }
.detail-cover { width: 100%; max-height: 420px; object-fit: cover; border-radius: 12px; margin: -40px auto 32px; display: block; box-shadow: 0 8px 30px rgba(0,0,0,.15); }
.detail-content { background: #fff; border-radius: 12px; padding: 32px; box-shadow: 0 4px 20px rgba(0,0,0,.06); margin-bottom: 32px; line-height: 1.9; color: #374151; font-size: 15px; }
.detail-content p { margin-bottom: 16px; }
.detail-block { margin-bottom: 24px; }
.detail-block h3 { font-size: 18px; color: #1e3a8a; margin-bottom: 10px; }

.case-results {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid #e5e7eb;
}
.case-results-title {
  font-size: 22px;
  font-weight: 700;
  color: #1e3a8a;
  margin-bottom: 8px;
}
.case-results-desc {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 24px;
}
.case-results-grid {
  display: grid;
  gap: 20px;
}
.case-result-figure {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: #0f172a;
  border: 1px solid #e2e8f0;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.12);
}
.case-result-figure img {
  width: 100%;
  display: block;
  vertical-align: middle;
}
.case-result-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: #94a3b8;
  background: #1e293b;
  text-align: center;
}
.detail-list { margin: 0 0 16px 18px; color: #4b5563; }
.detail-list li { margin-bottom: 8px; }
.detail-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-bottom: 48px; }
.detail-gallery img { width: 100%; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,.08); cursor: zoom-in; }
.back-link { display: inline-block; margin-bottom: 24px; color: #2563eb; font-size: 14px; }
.back-link:hover { text-decoration: underline; }

/* 招聘贤士 */
.careers-section { background: linear-gradient(180deg, #fff 0%, #f0f9ff 100%); }
.jobs-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.jobs-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  background: #fff;
  border-radius: 16px;
  border: 1px dashed #cbd5e1;
  color: #64748b;
}
.jobs-empty-contact { margin-top: 12px; font-size: 14px; color: #2563eb; }
.job-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  background: #fff;
  border-radius: 14px;
  padding: 22px 24px;
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
  border: 1px solid #e2e8f0;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.job-card:hover,
.job-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.12);
  border-color: #bfdbfe;
  outline: none;
}
.job-card-main h3 { font-size: 18px; color: #1e3a8a; margin-bottom: 10px; line-height: 1.35; }
.job-card-preview {
  font-size: 14px;
  color: #64748b;
  line-height: 1.6;
  margin-top: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.job-card-benefit {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: #059669;
  background: #ecfdf5;
  padding: 3px 10px;
  border-radius: 999px;
}
.job-card-action {
  font-size: 14px;
  font-weight: 600;
  color: #2563eb;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
}
.job-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.job-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  color: #1d4ed8;
  background: #eff6ff;
  border-radius: 999px;
  border: 1px solid #bfdbfe;
}
.job-block { margin-bottom: 18px; }
.job-block h4 { font-size: 15px; color: #1e3a8a; margin-bottom: 8px; font-weight: 600; }
.job-block-body { font-size: 14px; color: #4b5563; line-height: 1.75; }
.job-block-body p { margin-bottom: 8px; }
.job-block-body p:last-child { margin-bottom: 0; }
.job-contact {
  margin-top: 8px;
  padding: 14px 16px;
  border-radius: 10px;
  background: #eff6ff;
  font-size: 14px;
  color: #1d4ed8;
}
.job-modal-header { margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid #f1f5f9; }
.job-modal-header h3 { font-size: 22px; color: #1e3a8a; margin-bottom: 12px; line-height: 1.35; }

/* 通用弹窗 */
body.modal-open { overflow: hidden; }
.site-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.site-modal.hidden { display: none; }
.site-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
}
.site-modal-panel {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: min(85vh, 720px);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.site-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: #f1f5f9;
  color: #64748b;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.site-modal-close:hover { background: #e2e8f0; color: #1e293b; }
.site-modal-body {
  padding: 28px 28px 32px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 900px) {
  .case-card { grid-template-columns: 1fr; }
  .case-card-media { min-height: 200px; }
  .case-card-img { min-height: 200px; }
  .cert-card { grid-template-columns: 1fr; padding: 28px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .about-values { grid-template-columns: repeat(2, 1fr); }
  .about-panel { padding: 28px 24px; }
  .cert-title { font-size: 24px; }
}

@media (max-width: 768px) {
  html { scroll-padding-top: 60px; }
  .container { padding: 0 16px; }

  .nav-toggle { display: flex; }
  .header-auth { gap: 6px; }
  .auth-btn { padding: 5px 10px; font-size: 12px; }
  .member-greeting { display: none; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    padding: 8px 0 12px;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .site-header.nav-open .site-nav { display: flex; }
  .site-nav a {
    margin: 0;
    padding: 12px 20px;
    font-size: 15px;
    border-bottom: 1px solid #f3f4f6;
    white-space: normal;
  }
  .site-nav a:last-child { border-bottom: none; }

  .section { padding: 40px 0; }
  .section-title { font-size: 22px; margin-bottom: 8px; }
  .section-subtitle { font-size: 14px; margin-bottom: 24px; padding: 0 4px; }

  .hero { height: 220px; }
  .hero-caption { left: 16px; right: 16px; bottom: 20px; max-width: none; }
  .hero-caption h2 { font-size: 20px; line-height: 1.35; }
  .hero-caption p { font-size: 14px; }

  .logo { font-size: 15px; }

  .about-values { grid-template-columns: 1fr; }
  .about-panel { padding: 20px 16px; border-radius: 14px; }
  .about-panel-top { flex-direction: column; align-items: flex-start; }
  .about-slogan { font-size: 17px; letter-spacing: 0.06em; }
  .about-desc { font-size: 15px; margin-bottom: 24px; }
  .about-cert-chip { font-size: 12px; max-width: 100%; }
  .contact-item { border-right: none; padding: 12px 0; min-width: 100%; }

  .scope-grid { grid-template-columns: 1fr; }
  .scope-highlight { grid-column: auto; padding: 20px; }
  .scope-item { padding: 20px; }

  .process-grid { grid-template-columns: 1fr; }

  .case-stats { gap: 12px; }
  .stat-item { flex: 1 1 calc(50% - 6px); min-width: 0; padding: 16px 12px; }
  .stat-item strong { font-size: 22px; }

  .case-card-body { padding: 20px 16px; }
  .case-card-body h3 { font-size: 18px; }
  .case-card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .cert-section { padding-bottom: 40px; }
  .cert-card { padding: 20px 16px; gap: 24px; }
  .cert-title { font-size: 20px; }
  .cert-subtitle { font-size: 14px; }
  .cert-text { font-size: 14px; text-align: left; }

  .news-grid { grid-template-columns: 1fr; gap: 16px; }

  .jobs-list { grid-template-columns: 1fr; }
  .job-card { padding: 18px 16px; }
  .site-modal { padding: 12px; align-items: flex-end; }
  .site-modal-panel { max-height: 90vh; border-radius: 16px 16px 0 0; }
  .site-modal-body { padding: 24px 20px 28px; }
  .job-modal-header h3 { font-size: 18px; }

  .detail-header { padding: 32px 0; }
  .detail-header h1 { font-size: 22px; line-height: 1.35; }
  .detail-cover { margin: -24px auto 24px; max-height: 240px; border-radius: 10px; }
  .detail-content { padding: 20px 16px; font-size: 14px; }
  .case-results-title { font-size: 18px; }
  .detail-gallery { grid-template-columns: 1fr; }

  .site-footer { padding: 24px 0; font-size: 13px; }
}

@media (max-width: 480px) {
  .stat-item { flex: 1 1 100%; }
  .hero { height: 180px; }
  .hero-caption h2 { font-size: 17px; }
}