.page-contact {
  --contact-main: #00C45A;
  --contact-yellow: #DFFF00;
  --contact-dark: #0B0F0B;
  --contact-deep: #005A2E;
  --contact-gray: #CDD3CD;
  --contact-dark-gray: #252D25;
  --contact-light-green: #A8E6CF;
  --contact-font-head: Impact, 'Arial Black', sans-serif;
  --contact-font-body: 'Microsoft YaHei', 'PingFang SC', sans-serif;
  --contact-font-mono: 'Roboto Mono', 'JetBrains Mono', 'Courier New', monospace;
  --contact-radius: 2px;
  background: var(--contact-dark);
  color: var(--contact-gray);
  font-family: var(--contact-font-body);
  line-height: 1.6;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

.page-contact .container {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
  box-sizing: border-box;
}

.page-contact .mono {
  font-family: var(--contact-font-mono);
  letter-spacing: 0.05em;
}

.page-contact .c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--contact-font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  text-decoration: none;
  background: none;
  border-radius: 0;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-contact .c-btn--primary {
  background: var(--contact-main);
  color: var(--contact-dark);
  border-color: var(--contact-main);
}

.page-contact .c-btn--primary:hover {
  background: var(--contact-yellow);
  border-color: var(--contact-yellow);
  color: var(--contact-dark);
}

.page-contact .c-btn--ghost {
  border-color: var(--contact-main);
  color: var(--contact-main);
}

.page-contact .c-btn--ghost:hover {
  background: var(--contact-main);
  color: var(--contact-dark);
}

.page-contact .breadcrumb {
  padding-top: 24px;
  font-size: 13px;
}

.page-contact .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  color: var(--contact-gray);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  margin: 0 10px;
  color: var(--contact-deep);
  font-family: var(--contact-font-mono);
}

.page-contact .breadcrumb-link {
  color: var(--contact-main);
  text-decoration: none;
  transition: color 0.2s;
}

.page-contact .breadcrumb-link:hover {
  color: var(--contact-yellow);
}

.page-contact .breadcrumb-item.is-current {
  color: var(--contact-light-green);
  font-family: var(--contact-font-mono);
}

.page-contact__intro {
  padding-top: 80px;
  padding-bottom: 60px;
  position: relative;
  background: linear-gradient(180deg, var(--contact-dark) 0%, #0e150e 100%);
}

.page-contact__intro::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 58%;
  height: 100%;
  background: linear-gradient(115deg, transparent 12%, #00C45A0a 30%, transparent 70%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 45% 100%);
  pointer-events: none;
}

.page-contact__intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.page-contact__kicker {
  font-size: 12px;
  color: var(--contact-main);
  margin-bottom: 32px;
  text-transform: uppercase;
  display: inline-block;
  padding: 6px 18px;
  background: rgba(0, 196, 90, 0.08);
  border-left: 4px solid var(--contact-main);
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}

.page-contact__title {
  font-family: var(--contact-font-head);
  font-size: 52px;
  line-height: 1.05;
  color: #ffffff;
  margin: 0 0 24px 0;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  max-width: 700px;
}

.page-contact__title-accent {
  color: transparent;
  -webkit-text-stroke: 2px var(--contact-main);
  margin-left: 14px;
  font-size: 44px;
}

.page-contact__lead {
  font-size: 16px;
  line-height: 1.8;
  max-width: 640px;
  color: var(--contact-gray);
}

.page-contact__intro-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 22px;
  background: var(--contact-dark-gray);
  border-left: 4px solid var(--contact-yellow);
  clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
  max-width: fit-content;
}

.page-contact__meta-chip {
  font-family: var(--contact-font-mono);
  font-size: 11px;
  color: var(--contact-dark);
  background: var(--contact-yellow);
  padding: 3px 10px;
  font-weight: 700;
}

.page-contact__meta-text {
  font-size: 13px;
  color: var(--contact-light-green);
  font-family: var(--contact-font-mono);
  letter-spacing: 0.04em;
}

.page-contact__channels {
  padding: 60px 0;
  background: var(--contact-dark);
}

.page-contact__channel-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 28px;
}

.page-contact__channel {
  position: relative;
  background: #0f150f;
  border: 1px solid #1e2a1e;
  padding: 36px 30px;
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-contact__channel:hover {
  border-color: var(--contact-main);
  transform: translateY(-2px);
}

.page-contact__channel--primary::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 74px;
  height: 74px;
  background: linear-gradient(135deg, transparent 50%, var(--contact-main) 50%);
  opacity: 0.9;
}

.page-contact__channel--primary::after {
  content: 'MAIL';
  position: absolute;
  top: 18px;
  right: 12px;
  font-family: var(--contact-font-mono);
  font-size: 9px;
  color: var(--contact-dark);
  font-weight: 700;
  letter-spacing: 0.1em;
  transform: rotate(45deg);
  z-index: 1;
}

.page-contact__channel--primary {
  background: linear-gradient(150deg, #0f180f 0%, #122015 100%);
}

.page-contact__channel--feature {
  background: var(--contact-dark);
  border: 1px solid var(--contact-yellow);
  clip-path: polygon(0 30px, 30px 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  min-height: 260px;
  overflow: hidden;
}

.page-contact__channel-icon {
  width: 44px;
  margin-bottom: 22px;
}

.page-contact__channel-icon svg {
  width: 44px;
  height: 44px;
}

.page-contact__channel-tag {
  font-size: 10px;
  color: var(--contact-main);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

.page-contact__channel-title {
  font-family: var(--contact-font-head);
  font-size: 28px;
  color: #ffffff;
  margin: 0 0 12px 0;
  letter-spacing: 0.02em;
  font-weight: 800;
}

.page-contact__channel-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #8fa096;
  margin: 0 0 16px 0;
  max-width: 460px;
}

.page-contact__email-main,
.page-contact__phone {
  font-family: var(--contact-font-mono);
  font-size: 28px;
  font-weight: 700;
  margin: 12px 0 20px 0;
  word-break: break-all;
  color: var(--contact-yellow);
  line-height: 1.3;
}

.page-contact__email-main {
  font-size: 24px;
}

.page-contact__phone {
  color: var(--contact-main);
  letter-spacing: 0.05em;
}

.page-contact__phone-note {
  font-size: 12px;
  color: var(--contact-light-green);
  margin: 0 0 0 4px;
  font-family: var(--contact-font-mono);
}

.page-contact__copy-btn {
  align-self: flex-start;
  margin-top: auto;
  font-size: 13px;
  padding: 9px 20px;
}

.page-contact__channel--compact {
  background: #111811;
  padding: 32px 28px;
  min-height: 180px;
}

.page-contact__channel--compact .page-contact__channel-icon {
  margin-bottom: 12px;
}

.page-contact__channel--compact .page-contact__channel-title {
  font-size: 22px;
}

.page-contact__address {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.6;
  margin: 8px 0 10px 0;
}

.page-contact__address-note {
  font-size: 13px;
  color: #8fa096;
  line-height: 1.7;
  margin: 0;
  max-width: 380px;
}

.page-contact__feature-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
  pointer-events: none;
}

.page-contact__map-svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact__feature-title {
  position: relative;
  z-index: 1;
  font-family: var(--contact-font-head);
  font-size: 18px;
  color: var(--contact-yellow);
  margin: 0 0 16px 0;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.page-contact__feature-list {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact__feature-list li {
  font-size: 13px;
  color: var(--contact-gray);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.page-contact__feature-list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--contact-main);
  font-size: 16px;
}

.page-contact__scope {
  padding: 70px 0;
  background: linear-gradient(180deg, #0d130d 0%, #0b0f0b 100%);
  position: relative;
}

.page-contact__scope::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--contact-main) 0%, var(--contact-yellow) 100%);
  opacity: 0.5;
}

.page-contact__scope-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 44px;
  border-bottom: 1px solid #1e2a1e;
  padding-bottom: 18px;
}

.page-contact__scope-num {
  font-size: 12px;
  color: var(--contact-main);
  letter-spacing: 0.15em;
}

.page-contact__scope-title {
  font-family: var(--contact-font-head);
  font-size: 36px;
  color: #ffffff;
  margin: 0;
  line-height: 1.1;
}

.page-contact__scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact__scope-card {
  background: #111811;
  border: 1px solid #1e2a1e;
  padding: 30px 26px;
  position: relative;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.page-contact__scope-card:hover {
  background: #152015;
  border-color: var(--contact-main);
}

.page-contact__scope-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--contact-deep);
  transition: background 0.3s ease;
}

.page-contact__scope-card:hover::after {
  background: var(--contact-yellow);
}

.page-contact__scope-icon {
  margin-bottom: 16px;
}

.page-contact__scope-card-title {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 8px 0;
  font-family: var(--contact-font-body);
}

.page-contact__scope-card-desc {
  font-size: 13px;
  color: #8fa096;
  line-height: 1.7;
  margin: 0;
}

.page-contact__process {
  padding: 70px 0 90px;
}

.page-contact__process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 32px;
}

.page-contact__process-title {
  font-family: var(--contact-font-head);
  font-size: 32px;
  color: #ffffff;
  margin: 0 0 12px 0;
}

.page-contact__process-desc {
  font-size: 14px;
  color: #8fa096;
  line-height: 1.8;
  max-width: 500px;
  margin: 0;
}

.page-contact__process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.page-contact__process-step {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 4px;
  border-bottom: 1px solid #1e2a1e;
}

.page-contact__process-step:first-child {
  border-top: 1px solid #1e2a1e;
}

.page-contact__process-index {
  font-size: 24px;
  color: var(--contact-main);
  font-weight: 700;
  min-width: 44px;
}

.page-contact__process-label {
  font-size: 15px;
  color: var(--contact-gray);
  font-weight: 600;
}

.page-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.page-contact__link {
  font-size: 14px;
}

/* 联系卡片装饰图占位 */
.page-contact__channel--primary,
.page-contact__channel--compact {
  isolation: isolate;
}

.page-contact__channel-bg-icon {
  position: absolute;
  z-index: -1;
  right: 20px;
  bottom: 16px;
  width: 120px;
  height: 120px;
  object-fit: cover;
  opacity: 0.28;
  pointer-events: none;
}

.page-contact__channel--compact {
  overflow: hidden;
}

.page-contact__address-map {
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  pointer-events: none;
}

/* 移动端优先：默认单列 */

/* 平板及以上：两列布局 */
@media (min-width: 640px) {
  .page-contact__intro-grid {
    grid-template-columns: 1.6fr 1fr;
    align-items: end;
  }

  .page-contact__channel-row {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact__channel-row--secondary {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact__scope-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact__process-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
  }
}

/* 大屏：保持内容宽度 */
@media (min-width: 1024px) {
  .page-contact__intro {
    padding-top: 100px;
    padding-bottom: 80px;
  }

  .page-contact__title {
    font-size: 64px;
  }

  .page-contact__title-accent {
    font-size: 52px;
  }

  .page-contact__scope-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact__process {
    padding: 90px 0 110px;
  }
}

/* 窄屏安全：阻止横向溢出 */
@media (max-width: 420px) {
  .page-contact .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-contact__title {
    font-size: 38px;
  }

  .page-contact__title-accent {
    font-size: 30px;
    display: block;
    margin-left: 0;
    margin-top: 6px;
  }

  .page-contact__channel {
    padding: 28px 22px;
  }

  .page-contact__email-main,
  .page-contact__phone {
    font-size: 20px;
    word-break: break-all;
  }
}