.about-hero-banner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  background: #152b3f;
  overflow: hidden;
}

.about-hero-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .7;
  filter: saturate(.75) brightness(.6);
}

.about-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 25, 35, .3) 0%, rgba(15, 25, 35, .15) 100%);
}

.about-hero-banner h1 {
  position: relative;
  z-index: 2;
  color: #fff;
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 600;
  letter-spacing: .04em;
}

.about-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  padding-top: 60px;
  padding-bottom: 100px;
  align-items: start;
}

.about-sidebar {
  position: sticky;
  top: 90px;
  padding: 28px 24px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, .06);
}

.about-sidebar h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid #1a1a1a;
}

.about-sidebar nav {
  display: flex;
  flex-direction: column;
}

.about-sidebar nav a {
  padding: 14px 0;
  border-bottom: 1px solid #f0f0f0;
  color: #555;
  font-size: 15px;
  transition: color .2s;
}

.about-sidebar nav a:last-child {
  border-bottom: 0;
}

.about-sidebar nav a:hover {
  color: #1a1a1a;
}

.about-sidebar nav a.active {
  color: #2c6fe8;
  font-weight: 600;
}

.about-content {
  min-height: 400px;
  padding: 36px 40px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, .06);
}

.about-content h2 {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 28px;
}

.about-empty {
  color: #999;
  font-size: 15px;
}

.about-hero {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: space-between;
  padding: 25px;
  border: 1px solid #d6ddcf;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .68);
}

.about-hero-mark span {
  color: var(--blue);
  font-size: 13px;
}

.about-hero-mark strong {
  font-size: 25px;
}

.about-story {
  padding-top: 105px;
  padding-bottom: 115px;
}

.about-story .section-head {
  max-width: 800px;
}

.about-story-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  overflow: hidden;
  min-height: 480px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: #152b3f;
}

.about-visual img {
  width: 115%;
  max-width: none;
}

.value-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.value-cards>div {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .04);
}

.value-cards i {
  color: var(--lime);
  font-style: normal;
}

.value-cards h3 {
  margin: 75px 0 8px;
  font-size: 23px;
}

.value-cards p {
  color: #aebfcb;
}

.service-hero {
  background: #e8f1f5;
}

.service-hero aside {
  display: flex;
  min-height: 150px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
}

.service-hero aside span {
  color: #a9bdcb;
}

.service-overview {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 90px;
  align-items: start;
  padding-top: 105px;
  padding-bottom: 120px;
}

.service-copy {
  position: sticky;
  top: 105px;
}

.service-copy h2 {
  margin: 15px 0;
  font-size: 36px;
  line-height: 1.35;
}

.service-copy .button {
  margin-top: 20px;
}

.service-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-list>div {
  position: relative;
  min-height: 180px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.service-list span {
  color: var(--blue);
  font-size: 11px;
}

.service-list h3 {
  margin: 55px 0 0;
  font-size: 20px;
}

.service-list b {
  position: absolute;
  right: 22px;
  bottom: 22px;
  color: var(--cyan);
}

.service-promise {
  padding: 32px 0;
  background: #dfe8ed;
}

.service-promise .section-shell {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.service-promise div div {
  padding: 10px 30px;
  border-right: 1px solid #c5d2da;
}

.service-promise div div:first-child {
  padding-left: 0;
}

.service-promise div div:last-child {
  border: 0;
}

.service-promise strong,
.service-promise span {
  display: block;
}

.service-promise span {
  color: var(--muted);
  font-size: 13px;
}

/* Downloads, contact, 404 */
.download-hero {
  background: #eaf1f5;
}

.download-hero aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  border-radius: var(--radius);
  background: #fff;
}

.download-hero aside span {
  color: var(--muted);
}

.download-hero aside a {
  color: var(--blue);
  font-weight: 700;
}

.downloads-page {
  padding-top: 70px;
  padding-bottom: 120px;
}

.download-heading,
.download-items a {
  display: grid;
  grid-template-columns: 120px 1fr 60px;
  align-items: center;
  gap: 30px;
}

.download-heading {
  padding: 0 24px 13px;
  color: #8795a2;
  font-size: 12px;
}

.download-heading span:last-child {
  text-align: right;
}

.download-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.download-items a {
  padding: 23px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: .2s;
}

.download-items a:hover {
  border-color: #a8bdd0;
  transform: translateX(5px);
}

.download-items>a>span {
  color: var(--blue);
  font-weight: 700;
}

.download-items h2 {
  margin: 0;
  font-size: 20px;
}

.download-items p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.download-items b {
  text-align: right;
  font-size: 20px;
}

.download-empty {
  padding: 75px 30px;
  border-radius: var(--radius);
  background: #fff;
  text-align: center;
}

.download-empty>span {
  color: var(--blue);
  font-weight: 700;
}

.download-empty h2 {
  margin: 14px 0 5px;
  font-size: 35px;
}

.download-empty p {
  color: var(--muted);
}

.download-empty .button {
  margin-top: 20px;
}

.contact-page {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #fff;
}

.contact-side {
  display: flex;
  min-height: 780px;
  flex-direction: column;
  justify-content: space-between;
  padding: 150px max(55px, calc((100vw - 1280px)/2)) 75px var(--pad);
  background: #152b3f;
  color: #fff;
}

.contact-side h1 {
  margin: 20px 0;
  font-size: clamp(44px, 4.8vw, 68px);
  line-height: 1.2;
  letter-spacing: 0;
}

.contact-side>div>p {
  max-width: 610px;
  color: #adbfca;
}

.contact-side dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin: 55px 0 0;
}

.contact-side dl div:last-child {
  grid-column: 1/-1;
}

.contact-side dt {
  color: #89a1b0;
  font-size: 12px;
}

.contact-side dd {
  margin: 4px 0 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 145px var(--pad) 70px max(55px, calc((100vw - 1280px)/2));
  background: #fff;
  color: var(--ink);
}

.form-head h2 {
  max-width: 580px;
  margin: 12px 0 3px;
  font-size: 34px;
  line-height: 1.35;
}

.form-head p {
  color: var(--muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 12px 14px;
  outline: none;
  background: #f9fbfd;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(23, 105, 224, .1);
}

.form-submit {
  display: flex;
  align-items: center;
  gap: 18px;
}

.form-submit small {
  color: #8996a3;
}

.form-message {
  padding: 12px 14px;
  border-radius: 6px;
}

.form-message.success {
  background: #edf7dd;
  color: #43620a;
}

.form-message.error {
  background: #fff0f0;
  color: #a32b2b;
}

.not-found {
  min-height: 80svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
  padding: 130px var(--pad) 80px;
}

.not-found-code {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d6e1ea;
  font-size: clamp(110px, 18vw, 260px);
  font-weight: 700;
  line-height: 1;
}

.not-found-code i {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--lime);
}

.not-found h1 {
  margin: 15px 0;
  font-size: 46px;
}

.not-found p {
  color: var(--muted);
}

.not-found-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 30px;
}

/* Footer */
/* Migrated from service.html inline styles */

.svc-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.svc-form label{display:flex;flex-direction:column;gap:5px}
.svc-form label span{font-size:13px;color:#666}
.svc-form input,.svc-form textarea{padding:11px 14px;border:1px solid #ddd;border-radius:6px;font-size:14px;transition:border-color .2s}
.svc-form input:focus,.svc-form textarea:focus{outline:none;border-color:#3360ff}
.svc-form .full{grid-column:1/-1}
.svc-captcha{display:flex;gap:8px;align-items:center}
.svc-captcha input{flex:1}
.svc-captcha img{height:40px;cursor:pointer;border-radius:4px}
.svc-form-submit{grid-column:1/-1;margin-top:8px}
.svc-form-submit button{padding:12px 40px;background:#3360ff;color:#fff;border:none;border-radius:6px;font-size:15px;cursor:pointer}
.svc-form-submit button:hover{background:#2950e0}
.svc-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#333;color:#fff;padding:14px 28px;border-radius:8px;font-size:14px;z-index:9999;opacity:0;transition:opacity .25s;pointer-events:none;white-space:nowrap}
.svc-toast.show{opacity:1}
.svc-dl-list{display:flex;flex-direction:column;gap:1px;background:#eee;border:1px solid #eee;border-radius:10px;overflow:hidden}
.svc-dl-item{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;background:#fff;gap:16px}
.svc-dl-item:hover{background:#fafbfc}
.svc-dl-info h4{font-size:15px;font-weight:600;margin:0 0 3px;color:#1a1a1a}
.svc-dl-info p{font-size:12px;color:#999;margin:0}
.svc-dl-btn{flex-shrink:0;padding:7px 20px;background:#3360ff;color:#fff;text-decoration:none;border-radius:6px;font-size:13px;font-weight:500}
.svc-dl-btn:hover{background:#2950e0}
.svc-dl-empty{padding:40px 0;text-align:center;color:#999;font-size:14px}
.svc-dl-page{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:24px}
.svc-dl-page a{padding:6px 16px;border:1px solid #ddd;border-radius:6px;text-decoration:none;color:#333;font-size:13px}
.svc-dl-page a:hover{border-color:#3360ff;color:#3360ff}
.svc-dl-page span{font-size:13px;color:#999}
@media(max-width:600px){.svc-form{grid-template-columns:1fr}.svc-form .full{grid-column:1}.svc-form-submit{grid-column:1}.svc-dl-item{flex-direction:column;align-items:flex-start}}

/* 服务支持页面移动端适配 */
@media (max-width: 768px) {
  .about-hero-banner {
    min-height: 240px;
  }

  .about-hero-banner h1 {
    font-size: 26px;
    letter-spacing: 0.02em;
  }

  .about-layout {
    grid-template-columns: 1fr;
    padding-top: 16px;
    padding-bottom: 50px;
    gap: 12px;
    padding-inline: 16px;
  }

  .about-sidebar {
    position: static;
    padding: 14px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  }

  .about-sidebar h3 {
    font-size: 15px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom-width: 1px;
  }

  .about-sidebar nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .about-sidebar nav a {
    padding: 6px 12px;
    border-bottom: 0;
    border: 1px solid #e5e5e5;
    border-radius: 5px;
    font-size: 12px;
    min-height: auto;
    transition: all 0.2s;
  }

  .about-sidebar nav a.active {
    background: #2c6fe8;
    color: #fff;
    border-color: #2c6fe8;
  }

  .about-content {
    padding: 16px;
    border-radius: 8px;
    min-height: auto;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  }

  .about-content h2 {
    font-size: 20px;
    margin-bottom: 16px;
  }

  /* 服务表单移动端适配 */
  .svc-form {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .svc-form label span {
    font-size: 12px;
  }

  .svc-form input,
  .svc-form textarea {
    padding: 10px 12px;
    font-size: 13px;
    border-radius: 5px;
  }

  .svc-form .full {
    grid-column: 1;
  }

  .svc-captcha {
    gap: 6px;
  }

  .svc-captcha input {
    font-size: 13px;
  }

  .svc-captcha img {
    height: 36px;
  }

  .svc-form-submit {
    grid-column: 1;
    margin-top: 4px;
  }

  .svc-form-submit button {
    width: 100%;
    padding: 11px 20px;
    font-size: 14px;
    border-radius: 5px;
  }

  /* 资料下载移动端适配 */
  .svc-dl-list {
    border-radius: 8px;
  }

  .svc-dl-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 16px;
    gap: 10px;
  }

  .svc-dl-info h4 {
    font-size: 14px;
    margin-bottom: 2px;
  }

  .svc-dl-info p {
    font-size: 11px;
  }

  .svc-dl-btn {
    align-self: flex-end;
    padding: 6px 16px;
    font-size: 12px;
    border-radius: 5px;
  }

  .svc-dl-empty {
    padding: 30px 0;
    font-size: 13px;
  }

  .svc-dl-page {
    gap: 10px;
    margin-top: 16px;
  }

  .svc-dl-page a {
    padding: 5px 12px;
    font-size: 12px;
    border-radius: 5px;
  }

  .svc-dl-page span {
    font-size: 12px;
  }

  /* 服务内容区域 */
  .prose {
    font-size: 14px;
    line-height: 1.8;
  }

  .prose p {
    margin-bottom: 12px;
  }

  .prose h3 {
    font-size: 18px;
    margin: 20px 0 12px;
  }

  .prose ul,
  .prose ol {
    padding-left: 20px;
    margin-bottom: 12px;
  }

  .prose li {
    margin-bottom: 6px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .about-hero-banner h1 {
    font-size: 22px;
  }

  .about-content h2 {
    font-size: 18px;
  }

  .svc-form-submit button {
    font-size: 13px;
  }
}