/* ===== CCM 官网样式 ===== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #2d3748;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== 布局容器 ===== */
.layout-outer {
  width: min(100%, 1440px);
  margin-inline: auto;
  padding-inline: clamp(0, 3vw, 0);
  padding: 90px 0;
}

.layout-inner {
  margin-inline: auto;
}

/* ===== Header ===== */
.site-header {
  position: relative;
  z-index: 1000;
  background: #ffffff;
  border-bottom: 1px solid #eaedf3;
  transition: box-shadow 0.22s ease;
}

.site-header.is-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  box-shadow: 0 2px 16px rgba(0, 27, 77, 0.07);
}

.header-spacer {
  height: 0;
  pointer-events: none;
}

.header-top {
  height: 36px;
  background: #F8FAFC;
  border-radius: 0px 0px 0px 0px;
  border: 1px solid #E2E8F0;
  padding: 0 50px;
}

.header-top-inner {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
}

.header-top-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: #001b4d;
  line-height: 1;
  transition: color 0.22s ease;
}

.header-top-link:hover {
  color: #e30613;
}

.header-login-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.header-lang {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 500;
  color: #001b4d;
  line-height: 1;
  transition: color 0.22s ease;
}

.header-lang:hover {
  color: #e30613;
}

.header-lang-arrow {
  width: 10px;
  height: 10px;
  object-fit: contain;
}

.header-main {
  background: #ffffff;
  padding: 0 50px;
}

.header-main-inner {
  height: 80px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.logo img {
  height: 38px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 40px);
  margin-left: auto;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: #0A2071;
  white-space: nowrap;
  position: relative;
  padding: 4px 0;
  transition: color 0.22s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: #e30613;
  border-radius: 1px;
  transition: width 0.22s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #001b4d;
}

.nav-link.active::after,
.nav-link:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  margin-left: auto;
  flex-shrink: 0;
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  z-index: 1001;
  color: #0A2071;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.menu-toggle-icon {
  display: block;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  pointer-events: none;
  color: #0A2071;
}

.menu-toggle-line {
  stroke: #0A2071;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.menu-toggle.active .menu-toggle-line-top {
  transform: translateY(5px) rotate(45deg);
}

.menu-toggle.active .menu-toggle-line-mid {
  opacity: 0;
}

.menu-toggle.active .menu-toggle-line-bot {
  transform: translateY(-5px) rotate(-45deg);
}

/* 桌面隐藏：手机菜单底部的顶部栏入口 */
.nav-extra {
  display: none;
}

.nav-extra-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  font-size: 14px;
  font-weight: 500;
  color: #0A2071;
  border-bottom: 1px solid #eaedf3;
  line-height: 1.3;
}

.nav-extra-link:last-child {
  border-bottom: none;
}

.nav-extra-link--active {
  color: #e30613;
}

.nav-extra-login .header-login-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #001b4d url("../image/04.png") center / cover no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
  max-width: 1300px;
  animation: fadeUp 0.8s ease both;
}

.hero-title {
  font-size: clamp(22px, 3.2vw, 40px);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: clamp(14px, 1.6vw, 24px);
  font-weight: 400;
  color: #ffffff;
  line-height: 1.6;
}

.hero-image {
  width: 100%;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Section 通用 ===== */
.section {
  /* padding-block: 88px; */
}

.section--white {
  background: #F8FAFC;
}

.section--alt {
  background: #FFFFFF;
}

.section-head {
  margin-bottom: 48px;
}

.section-title {
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 800;
  color: #001b4d;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 14px;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 78px;
  height: 4px;
  background: #e30613;
  border-radius: 2px;
}

/* ===== About Us ===== */
.aboutSection{
  .layout-outer{
    padding: 0;
  }
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 560px;
  gap: 50px;
  align-items: stretch;
  margin-bottom: 36px;
  height: 424px;
  box-sizing: border-box;
}

.aboutInner {
 padding: 90px 64px;
}
.about-text {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-text div {
  font-size: 16px;
  color: #0A2071;
  line-height: 24px;
  margin-bottom: 20px;
}

.about-text div:last-child {
  margin-bottom: 0;
}

.about-visual {
  height: 100%;
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.about-quote {
  padding: 24px;
  background: #FFFFFF;
  border: none;
  border-left: 4px solid #e30613;
  border-radius: 0;
  font-size: 16px;
  font-style: italic;
  font-weight: 400;
  color: #6F859C;
  line-height: 24px;
}

/* ===== Development History ===== */
.history-grid {
  display: grid;
  grid-template-columns: 1fr 700px;
  gap: 50px;
  align-items: stretch;
}
.historySection{
  .layout-outer{
    padding: 0;
  }
}
.historyInner{
 padding: 90px 64px;
}

.history-visuals {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
}

.history-img {
  flex: 1 1 0;
  min-height: 267px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 27, 77, 0.07);
}

.history-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.timeline {
  list-style: none;
  position: relative;
  padding-left: 36px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #dadbdd;
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -33px;
  top:0px;
  width: 27px;
  height: 27px;
  object-fit: contain;
  z-index: 1;
}

.timeline-heading {
  font-size: 18px;
  font-weight: 700;
  color: #0A2071;
  margin-bottom: 12px;
  line-height: 1.45;
}

.timeline-entry {
  margin-bottom: 14px;
}

.timeline-entry:last-child {
  margin-bottom: 0;
}

.timeline-date {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #0A2071;
  margin-bottom: 6px;
  line-height: 1.4;
}

.timeline-entry p {
  font-size: 14px;
  color: #6F859C;
  line-height: 21px;
}

/* ===== Operation Mode ===== */
.operation-grid {
  display: grid;
  grid-template-columns: 1fr 560px;
  gap: 50px;
  align-items: stretch;
}
.operationSection{
  .layout-outer{
    padding: 0;
  } 
}
.operationInner{
 padding: 90px 64px;
}
.operation-left {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.operation-left .section-head {
  margin-bottom: 28px;
}

.operation-text {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.operation-text div {
  font-size: 16px;
  color: #0A2071;
  line-height: 24px;
  margin-bottom: 20px;
}

.operation-text div:last-child {
  margin-bottom: 0;
}
.operation-text strong {
  color: #0A2071;
  font-weight: 700;
}

.operation-text h3 {
  font-size: 18px;
  font-weight: 700;
  color: #0A2071;
  margin: 0px 0 10px;
  line-height: 1.45;
}

.operation-visuals {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
}

.operation-img {
  flex: 1 1 0;
  min-height: 0;
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  /* background: #ffffff; */
  box-shadow: 0 4px 20px rgba(0, 27, 77, 0.07);
}

.operation-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

/* ===== Future Planning ===== */
.future-grid {
  display: grid;
  grid-template-columns: 560px 1fr;
  gap: 50px;
  align-items: stretch;
}
.futureSection{
  .layout-outer{
    padding: 0;
  }
}
.futureInner{
 padding: 90px 64px;
}

.future-visual {
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  border: 1px dashed #c5cedb;
  height: 100%;
  box-shadow: none;
}

.future-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.future-text {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.future-heading {
  font-size: 18px;
  font-weight: 700;
  color: #0A2071;
  margin-bottom: 10px;
  line-height: 1.5;
}

.future-text div {
  font-size: 16px;
  color: #0A2071;
  line-height: 24px;
}

/* ===== Contact Us ===== */
.contact-intro {
  font-size: 16px;
  color: #0a2071;
  line-height: 24px;
  margin-bottom: 30px;
  width: 100%;
}
.contactSection{
  .layout-outer{
    padding: 0;
  }
}
.contactInner{
  padding: 90px 64px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.contact-card {
  background: #FFFFFF;
  border-radius: 12px;
  border: none;
  box-shadow: 0 8px 24px rgba(10, 32, 113, 0.08);
  padding: 36px 28px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}

.contact-card:hover {
  box-shadow: 0 12px 28px rgba(10, 32, 113, 0.12);
  transform: translateY(-2px);
}

.contact-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.contact-icon svg {
  width: 30px;
  height: 30px;
}

.contact-card--email .contact-icon {
  background: #E8EEF8;
  color: #0a2071;
}

.contact-card--whatsapp .contact-icon {
  background: #E8F8EF;
  color: #25D366;
}

.contact-card--telegram .contact-icon {
  background: #E6F6FD;
  color: #2AABEE;
}

.contact-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #0a2071;
  margin-bottom: 10px;
  line-height: 1.4;
}

.contact-value {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: #0a2071;
  line-height: 24px;
  word-break: break-word;
  margin-bottom: 24px;
}

.contact-value--link {
  color: #E20003;
  transition: opacity 0.22s ease;
}

.contact-value--link:hover {
  opacity: 0.8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 260px;
  min-height: 44px;
  padding: 10px 20px;
  margin-top: auto;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  transition: filter 0.22s ease, transform 0.22s ease;
}

.contact-btn:hover {
  filter: brightness(1.08);
}

.contact-btn span {
  font-size: 16px;
  line-height: 1;
}

.contact-card--email .contact-btn {
  background: #0a2071;
}

.contact-card--whatsapp .contact-btn {
  background: #25D366;
}

.contact-card--telegram .contact-btn {
  background: #2AABEE;
}

/* ===== Certifications ===== */
.cert-intro {
  font-size: 16px;
  color: #0A2071;
  margin-bottom: 30px;
  width: 100%;
}
.certSection{
  .layout-outer{
    padding: 0;
  }
}
.certInner{
  padding: 90px 64px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.cert-item {
  margin: 0;
}

.cert-frame {
  overflow: hidden;
  transition: box-shadow 0.22s ease, transform 0.22s ease;
  position: relative;
  width: 100%;
  height: 372px;
  display: flex;
  justify-content:center;
  align-items: center;
}

.cert-frame::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  opacity: 0.7;
}

.cert-frame:hover {
  transform: translateY(-3px);
}

.cert-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
}

/* ===== Footer ===== */
.site-footer {
  background: #0A2071;
  height: 60px;
  box-sizing: border-box;
  padding: 20px 0;
}

.footer-copy {
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.04em;
}

/* ===== WhatsApp Float ===== */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 50%;
  z-index: 999;
  width:60px;
  height: 60px;
  overflow: hidden;
}


.whatsapp-float img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Staff Verification Page ===== */
.verification-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #fff;
}

.verification-main {
  flex: 1;
}

.verification-inner {
  text-align: center;
  width: 1440px;
  margin: 0 auto;
  background-color:#F8FAFC;
 padding: 90px 64px;
}

.verification-title {
  font-size: clamp(28px, 3.2vw, 32px);
  font-weight: 800;
  color: #0a2071;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.verification-title-line {
  width: 72px;
  height: 4px;
  margin: 0 auto 24px;
  background-color:#E20003;
  border-radius: 2px;
}

.verification-desc {
  width: 100%;
  margin: 0 auto 30px;
  font-size: 20px;
  color: #0a2071;
  line-height: 1.75;
}

.verification-panel {
  max-width: 1312px;
  margin: 0 auto;
  padding: 50px 30px;
  background: #ffffff;
border-radius: 0px 0px 0px 0px;
border: 1px solid #CDCED1;
}

.verification-panel-title {
  font-size: 24px;
  font-weight: 700;
  color: #0a2071;
  margin-bottom: 20px;
}

.verification-panel-note {
  font-size: 20px;
  color: #0a2071;
  margin-bottom: 20px;
}

.verification-form {
  display: flex;
  align-items: stretch;
  gap: 0;
  max-width: 720px;
  margin: 0 auto;
}

.verification-input {
  flex: 1;
  min-width: 0;
  height: 64px;
  padding: 20px;
  border: 1px solid #d8dfe8;
  font-family: inherit;
  font-size: 20px;
  color: #0a2071;
  background: #ffffff;
  outline: none;
}

.verification-input::placeholder {
  color: #BABCC2;
  font-size: 16px;
}

.verification-btn {
  flex-shrink: 0;
  min-width: 150px;
  height: 64px;
  padding: 0 24px;
  border: none;
  background: #0a2071;
  color: #ffffff;
  font-family: inherit;
  font-size: 20px;
  font-weight: 600;
  cursor: pointer;
  margin-left: 10px;
  transition: background 0.22s ease;
}

.verification-btn:hover {
  background: #001b4d;
}

.verification-message {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.6;
}

.verification-message--error {
  color: #e30613;
}

.verification-message--success {
  color: #0a2071;
}

.verification-results {
  max-width: 960px;
  margin: 32px auto 0;
  text-align: left;
}

.staff-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(11, 37, 104, 0.06);
  margin-bottom: 32px;
  animation: staffCardFadeIn 0.4s ease-out;
}

.staff-card:last-child {
  margin-bottom: 0;
}

@keyframes staffCardFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.staff-card-header {
  background: linear-gradient(135deg, #0a2071 0%, #1e3a8a 100%);
  padding: 28px 36px;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.header-staff-meta h2 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.header-staff-meta .role-subtitle {
  font-size: 15px;
  color: #93c5fd;
  font-weight: 500;
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  backdrop-filter: blur(4px);
}

.verified-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

.staff-card-body {
  padding: 36px;
  display: flex;
  gap: 36px;
}

.staff-sidebar {
  width: 260px;
  flex-shrink: 0;
  text-align: center;
}

.staff-avatar-wrapper {
  position: relative;
  width: 100%;
  height: auto;
  margin: 0 auto 20px auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  background: #e2e8f0;
}

.staff-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.photo-placeholder-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(11, 37, 104, 0.75);
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
  background: #f8fafc;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

.spec-table tr:not(:last-child) {
  border-bottom: 1px solid #e2e8f0;
}

.spec-table td {
  padding: 10px 12px;
}

.spec-label {
  color: #64748b;
  font-weight: 500;
  width: 40%;
}

.spec-value {
  color: #0f172a;
  font-weight: 600;
}

.staff-details {
  flex: 1;
  min-width: 0;
}

.section-block {
  margin-bottom: 30px;
}

.section-heading {
  font-size: 17px;
  font-weight: 700;
  color: #0a2071;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid #f1f5f9;
}

.section-heading-icon {
  width: 20px;
  height: 20px;
  stroke: #e30613;
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

.profile-summary-text {
  font-size: 14.5px;
  line-height: 1.7;
  color: #334155;
  background: #f8fafc;
  border-left: 3px solid #0a2071;
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
}

.timeline {
  position: relative;
  padding-left: 24px;
  margin-top: 16px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: #e2e8f0;
}

.timeline-item {
  position: relative;
  margin-bottom: 22px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

/* .timeline-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid #0a2071;
  box-shadow: 0 0 0 2px #e0e7ff;
} */

.timeline-item.active::before {
  border-color: #e30613;
  box-shadow: 0 0 0 3px rgba(227, 6, 19, 0.15);
}

.timeline-date {
  font-size: 13.5px;
  font-weight: 700;
  color: #0a2071;
  margin-bottom: 4px;
  display: inline-block;
  background: #eff6ff;
  padding: 2px 10px;
  border-radius: 4px;
}

.timeline-item.active .timeline-date {
  background: #fef2f2;
  color: #dc2626;
}

.timeline-desc {
  font-size: 14px;
  line-height: 1.65;
  color: #475569;
  margin-top: 6px;
}

.verification-footer {
  margin-top: auto;
}

.header-top-link--active {
  color: #e30613;
  font-weight: 600;
}

/* ===== Responsive ===== */

/* 大屏 PC 等比缩放：1201px ~ 1919px。
   所有 clamp() 的最大值 = 原设计值，且约在 1440px（layout-outer 上限）达到最大值。
   1920px 及以上使用基础样式（如 padding: 90px 64px），与原 PC 设计一致。 */
@media (min-width: 1201px) and (max-width: 1919px) {
  .aboutInner,
  .historyInner,
  .operationInner,
  .futureInner {
    padding: clamp(88px, 8.72vw, 64px) clamp(56px, 0, 90px);
  }

  .contactInner {
    padding: clamp(48px, 4.36vw, 75px) clamp(56px,0, 200px);
  }

  .certInner {
    padding: clamp(88px, 8.72vw, 150px) clamp(56px, 0, 200px) clamp(48px, 4.36vw, 75px);
  }

  .about-grid {
    grid-template-columns: 1fr clamp(320px, 33.3vw, 572px);
    gap: clamp(28px, 2.9vw, 50px);
    height: auto;
    min-height: 480px;
  }

  .history-grid {
    grid-template-columns: 1fr clamp(400px, 45.1vw, 776px);
    gap: clamp(28px, 2.9vw, 50px);
  }

  .future-grid {
    grid-template-columns: 1fr clamp(360px, 40.6vw, 698px);
    gap: clamp(28px, 2.9vw, 50px);
  }

  .operation-grid {
    gap: clamp(28px, 2.9vw, 50px);
  }

  .section-head {
    margin-bottom: clamp(28px, 3vw, 48px);
  }

  .about-text div,
  .operation-text div,
  .future-text div,
  .future-heading,
  .contact-intro,
  .about-quote,
  .timeline-date,
  .contact-value {
    font-size: clamp(16px, 1.16vw, 16px);
    line-height: 1.6;
  }

  .timeline-heading,
  .operation-text h3,
  .contact-card h3 {
    font-size: clamp(18px, 1.4vw, 20px);
  }

  .timeline-entry p {
    font-size: clamp(15px, 1.05vw, 18px);
  }

  .about-quote {
    padding: clamp(20px, 1.7vw, 30px);
  }

  .cert-frame {
    height: clamp(240px, 21.6vw, 372px);
  }

  .verification-inner {
    width: 100%;
    max-width: 1440px;
    padding: clamp(88px, 8.72vw, 150px) clamp(56px, 11.63vw, 200px);
  }
}

/* 平板横屏 / 小屏笔记本 */
@media (max-width: 1200px) {
  .header-top,
  .header-main {
    padding: 0 32px;
  }

  .aboutInner,
  .historyInner,
  .operationInner,
  .futureInner {
    padding: 100px 48px;
  }

  .contactInner {
    padding: 60px 48px;
  }

  .certInner {
    padding: 100px 48px 60px;
  }

  .about-grid {
    grid-template-columns: 1fr 340px;
    gap: 40px;
    height: auto;
  }

  .history-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .future-grid {
    grid-template-columns: 1fr 480px;
    gap: 40px;
  }

  .cert-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cert-frame {
    height: auto;
  }

  .cert-frame img {
    width: 100%;
    height: auto;
    object-fit: contain;
  }

  .verification-inner {
    width: 100%;
    max-width: 1440px;
    padding: 100px 48px;
  }
}

/* 移动端导航：1200px 以下显示汉堡菜单（兼容安卓「桌面版网站」等宽视口） */
@media (max-width: 1200px) {
  .header-main-inner {
    justify-content: space-between;
  }

  .nav {
    position: fixed;
    top: var(--mobile-nav-top, 116px);
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    background: #ffffff;
    border-bottom: 1px solid #dde3ed;
    transform: translateY(calc(-100% - 24px));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    margin-left: 0;
    z-index: 999;
    max-height: calc(100vh - var(--mobile-nav-top, 116px));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-link {
    padding: 14px 0;
    border-bottom: 1px solid #eaedf3;
    white-space: normal;
  }

  .nav-link::after {
    display: none;
  }

  .menu-toggle {
    display: flex !important;
    visibility: visible;
    opacity: 1;
  }

  .nav-extra {
    display: flex;
    flex-direction: column;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #dde3ed;
  }
}

/* JS 兜底：部分安卓 WebView 视口宽度异常时仍启用移动导航 */
html.is-mobile-nav .header-main-inner {
  justify-content: space-between;
}

html.is-mobile-nav .nav {
  position: fixed;
  top: var(--mobile-nav-top, 116px);
  left: 0;
  right: 0;
  width: 100%;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 12px 20px 20px;
  background: #ffffff;
  border-bottom: 1px solid #dde3ed;
  transform: translateY(calc(-100% - 24px));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  margin-left: 0;
  z-index: 999;
  max-height: calc(100vh - var(--mobile-nav-top, 116px));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

html.is-mobile-nav .nav.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

html.is-mobile-nav .nav-link {
  padding: 14px 0;
  border-bottom: 1px solid #eaedf3;
  white-space: normal;
}

html.is-mobile-nav .nav-link::after {
  display: none;
}

html.is-mobile-nav .menu-toggle {
  display: flex !important;
  visibility: visible;
  opacity: 1;
}

html.is-mobile-nav .nav-extra {
  display: flex;
  flex-direction: column;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid #dde3ed;
}

/* 平板竖屏 */
@media (max-width: 960px) {
  .header-top,
  .header-main {
    padding: 0 24px;
  }

  .header-main-inner {
    gap: 20px;
  }

  .section {
    padding-block: 64px;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .aboutInner,
  .historyInner,
  .operationInner,
  .futureInner {
    padding: 64px 24px;
  }

  .contactInner {
    padding: 48px 24px;
  }

  .certInner {
    padding: 64px 24px 48px;
  }

  .hero {
    min-height: 520px;
  }

  .about-grid,
  .history-grid,
  .operation-grid,
  .future-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-text div,
  .operation-text div,
  .future-text div,
  .contact-intro,
  .about-quote,
  .verification-desc,
  .verification-panel-note {
    font-size: 17px;
    line-height: 1.65;
  }

  .timeline-heading {
    font-size: 20px;
  }

  .timeline-date {
    font-size: 17px;
  }

  .timeline-entry p {
    font-size: 16px;
  }

  .operation-text h3,
  .future-heading {
    font-size: 20px;
  }

  .contact-card h3 {
    font-size: 20px;
  }

  .contact-value {
    font-size: 16px;
  }

  .future-visual {
    height: auto;
  }

  .future-visual img {
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .operation-visuals {
    height: auto;
  }

  .operation-img {
    flex: none;
    min-height: auto;
  }

  .operation-img img {
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .about-text {
    justify-content: flex-start;
  }

  .about-visual {
    height: auto;
  }

  .about-visual img {
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .history-visuals {
    height: auto;
  }

  .history-img {
    flex: none;
    min-height: auto;
  }

  .history-img img {
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .timeline {
    height: auto;
    justify-content: flex-start;
    padding-left: 32px;
  }

  .timeline-item {
    padding-bottom: 36px;
  }

  .timeline-dot {
    left: -38px;
    width: 28px;
    height: 28px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .contact-card {
    padding: 24px 20px;
  }

  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .cert-frame {
    height: auto;
    min-height: 240px;
  }

  .cert-frame img {
    height: auto;
    object-fit: contain;
  }

  .site-footer {
    height: auto;
    min-height: 80px;
    padding: 20px 0;
  }

  .footer-copy {
    font-size: 14px;
    line-height: 1.6;
    padding: 0 16px;
  }

  .whatsapp-float {
    width: 72px;
    height: 72px;
    right: 16px;
    bottom: 24px;
    top: auto;
    transform: none;
  }

  .verification-inner {
    padding: 64px 24px;
  }

  .verification-main {
    padding: 0;
  }

  .verification-panel {
    padding: 28px 20px 32px;
  }

  .verification-panel-title {
    font-size: 20px;
  }

  .verification-form {
    flex-direction: column;
    gap: 12px;
  }

  .verification-input {
    height: 56px;
    font-size: 16px;
    border-right: 1px solid #d8dfe8;
  }

  .verification-btn {
    width: 100%;
    height: 56px;
    margin-left: 0;
    font-size: 17px;
  }

  .verification-results {
    max-width: 100%;
  }

  .staff-card-body {
    flex-direction: column;
    padding: 24px 20px;
  }

  .staff-sidebar {
    width: 100%;
  }

  .staff-card-header {
    padding: 20px;
  }

  .header-staff-meta h2 {
    font-size: 22px;
  }
}

/* 手机 */
@media (max-width: 560px) {
  .header-top {
    display: none;
  }

  .header-main {
    padding: 0 16px;
  }

  :root {
    --mobile-nav-top: 64px;
  }

  html {
    scroll-padding-top: 64px;
  }

  .hero {
    min-height: 380px;
  }

  .hero-inner {
    padding: 0 16px;
  }

  .aboutInner,
  .historyInner,
  .operationInner,
  .futureInner {
    padding: 48px 16px;
  }

  .contactInner {
    padding: 40px 16px;
  }

  .certInner {
    padding: 48px 16px 40px;
  }

  .section-head {
    margin-bottom: 24px;
  }

  .about-text div,
  .operation-text div,
  .future-text div,
  .contact-intro,
  .about-quote {
    font-size: 15px;
    line-height: 1.6;
  }

  .about-quote {
    padding: 20px 16px;
  }

  .timeline {
    padding-left: 28px;
  }

  .timeline-dot {
    left: -34px;
    width: 24px;
    height: 24px;
  }

  .timeline-heading {
    font-size: 18px;
  }

  .timeline-date {
    font-size: 15px;
  }

  .timeline-entry p {
    font-size: 14px;
  }

  .timeline-item {
    padding-bottom: 28px;
  }

  .contact-card h3 {
    font-size: 18px;
  }

  .contact-value {
    font-size: 15px;
  }

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

  .cert-frame {
    min-height: 200px;
  }

  .cert-intro {
    margin-bottom: 32px;
  }

  .contact-intro {
    margin-bottom: 32px;
  }

  .whatsapp-float {
    width: 56px;
    height: 56px;
    right: 12px;
    bottom: 16px;
  }

  .verification-inner {
    padding: 48px 16px;
  }

  .verification-desc {
    font-size: 15px;
    margin-bottom: 32px;
  }

  .verification-panel {
    padding: 24px 16px 28px;
  }

  .verification-panel-title {
    font-size: 18px;
  }

  .verification-panel-note {
    font-size: 15px;
  }

  .verification-input,
  .verification-btn {
    height: 50px;
    font-size: 15px;
  }
}