/* ================= 技术支持页 support.html ================= */

.page-container {
  width: 85%;
  max-width: 1280px;
  margin: 0 auto;
}
@media (max-width:767px) { .page-container { width: 90%; } }

.support-section {
  padding: 96px 0;
  background: #fff;
}

/* 头部 */
.support-head {
  text-align: center;
  margin-bottom: 72px;
}
.support-en {
  font-size: 13px;
  letter-spacing: 4px;
  color: #999;
  text-transform: uppercase;
}
.support-head h1 {
  font-size: 36px;
  font-weight: 600;
  margin: 12px 0 16px;
}
.support-head p {
  color: #888;
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 图文交替 */
.feature-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 64px;
}
@media (min-width:768px) {
  .feature-row {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    margin-bottom: 80px;
  }
}
.feature-img {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #f5f6f8;
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.feature-row:hover .feature-img img { transform: scale(1.03); }
.feature-num {
  font-size: 48px;
  font-weight: 200;
  color: #e0e0e0;
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}
.feature-text h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
}
.feature-text p {
  font-size: 15px;
  color: #777;
  line-height: 1.9;
}

/* 详细内容 */
.support-content {
  max-width: 800px;
  margin: 0 auto 80px;
  padding: 40px;
  background: #f8f9fa;
  border-radius: 16px;
  font-size: 15px;
  line-height: 2;
  color: #555;
}
.support-content h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 24px 0 12px;
  color: #111;
}
.support-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 20px 0 10px;
  color: #222;
}
.support-content p { margin-bottom: 8px; }

/* 三个服务卡片 */
.support-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 80px;
}
@media (min-width:768px) {
  .support-cards { grid-template-columns: repeat(3, 1fr); gap: 32px; }
}
.support-card {
  background: #f8f9fa;
  border-radius: 16px;
  padding: 40px 32px;
  text-decoration: none;
  color: inherit;
  transition: transform .3s ease, box-shadow .3s ease;
}
.support-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.06);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card-icon svg {
  width: 24px;
  height: 24px;
  stroke: #333;
}
.support-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.support-card p {
  font-size: 14px;
  color: #777;
  line-height: 1.8;
  margin-bottom: 20px;
}
.card-link {
  font-size: 14px;
  color: #111;
  border-bottom: 1px solid #ddd;
  padding-bottom: 2px;
}

/* CTA */
.support-cta {
  background: #0a0a0a;
  border-radius: 20px;
  padding: 64px 32px;
  text-align: center;
  color: #fff;
}
.support-cta h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 12px;
}
.support-cta p {
  color: rgba(255,255,255,.6);
  font-size: 15px;
  margin-bottom: 32px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-btn {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 8px;
  font-size: 15px;
  text-decoration: none;
  transition: all .2s;
}
.cta-btn.primary {
  background: #fff;
  color: #111;
}
.cta-btn.primary:hover { background: #eee; }
.cta-btn.ghost {
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
}
.cta-btn.ghost:hover { background: rgba(255,255,255,.1); }

/* ================= 售后维保 汉霸风格 ================= */
.svc-banner {
  margin: 0 -5.5% 48px;
  overflow: hidden;
  max-height: 420px;
}
.svc-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.svc-cards {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 80px;
}
.svc-card {
  display: grid;
  grid-template-columns: 1fr;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0,0,0,.05);
}
@media (min-width:768px) {
  .svc-card { grid-template-columns: 1fr 1fr; }
}
.svc-card-text {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.svc-card-text h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
}
.svc-card-text p {
  font-size: 14px;
  color: #888;
  line-height: 1.9;
  margin-bottom: 28px;
}
.svc-btn {
  display: inline-block;
  padding: 10px 28px;
  border: 1px solid #e8801a;
  border-radius: 999px;
  color: #e8801a;
  font-size: 13px;
  text-decoration: none;
  transition: all .2s;
  width: fit-content;
}
.svc-btn:hover {
  background: #e8801a;
  color: #fff;
}
.svc-card-img { min-height: 280px; }
.svc-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}.svc-btn.dark {
  border: 1px solid #111;
  color: #111;
}
.svc-btn.dark:hover {
  background: #111;
  color: #fff;
}
/* ================= 安装调试 汉霸风格 ================= */
.install-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 80px;
  align-items: center;
}
@media (min-width:768px) {
  .install-hero { grid-template-columns: 1fr 1fr; gap: 60px; }
}
.install-hero-text h2 {
  font-size: 36px;
  font-weight: 700;
  color: #e8801a;
  margin-bottom: 20px;
}
.install-hero-text p {
  font-size: 14px;
  color: #888;
  line-height: 2;
}
.install-hero-img {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.install-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.install-section { margin-bottom: 80px; }
.install-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width:768px) {
  .install-row { grid-template-columns: 1fr 1fr; gap: 60px; }
}
.install-row-img {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.install-row-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.install-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: #e8801a;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 4px;
  margin-bottom: 16px;
}
.install-row-text h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
}
.install-row-text p {
  font-size: 14px;
  color: #888;
  line-height: 1.9;
}

.install-training {
  text-align: center;
  margin-bottom: 80px;
}
.install-training-head {
  margin-bottom: 40px;
}
.install-training-head .install-num {
  margin-bottom: 12px;
}
.install-training-head h3 {
  font-size: 26px;
  font-weight: 700;
}
.install-training-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width:768px) {
  .install-training-cards { grid-template-columns: repeat(3, 1fr); gap: 32px; }
}
.training-card {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 40px 28px;
  text-align: center;
}
.training-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid #e8801a;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.training-icon svg {
  width: 28px;
  height: 28px;
  stroke: #e8801a;
}
.training-card h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
}
.training-card p {
  font-size: 13px;
  color: #888;
  line-height: 1.8;
}
/* 覆盖汉霸橙色为本网站黑白风格 */
.install-hero-text h2 { color: #111 !important; }
.install-num { background: #111 !important; }
.training-icon { border-color: #111 !important; }
.training-icon svg { stroke: #111 !important; }
.svc-btn { border-color: #111 !important; color: #111 !important; }
.svc-btn:hover { background: #111 !important; color: #fff !important; }
.svc-btn.dark { border-color: #111 !important; color: #111 !important; }
.svc-btn.dark:hover { background: #111 !important; color: #fff !important; }