.page-contact {
  --contact-line: #1E2A38;
  --contact-cyan-glow: rgba(0, 209, 255, 0.14);
  --contact-green-glow: rgba(57, 255, 20, 0.16);
  position: relative;
  overflow-x: clip;
  background: var(--bg-primary);
  color: var(--text-main);
}

.page-contact .container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.page-contact .section-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-top {
  padding-top: 28px;
}

.contact-top .breadcrumb {
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.contact-hero {
  position: relative;
  padding: 12px 0 44px;
}

.contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(600px 260px at 85% 8%, rgba(0, 209, 255, 0.08), transparent 65%);
}

.contact-hero > * {
  position: relative;
  z-index: 1;
}

.contact-hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.contact-hero-line {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--accent-cyan);
  flex: 0 0 auto;
}

.contact-hero h1 {
  margin: 18px 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 7vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.contact-hero-desc {
  max-width: 680px;
  margin: 0;
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
}

/* 目录式通道索引 */
.contact-directory {
  margin-bottom: 72px;
  border-top: 1px solid var(--contact-line);
}

.contact-dir-row {
  position: relative;
  display: grid;
  grid-template-columns: 2.8rem 1fr auto;
  align-items: center;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--contact-line);
  text-decoration: none;
  color: var(--text-main);
  overflow: hidden;
}

.contact-dir-row > * {
  position: relative;
  z-index: 1;
}

.contact-dir-row::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 0;
  background: linear-gradient(90deg, var(--contact-cyan-glow), rgba(57, 255, 20, 0.04) 70%, transparent);
  transition: width 0.4s var(--ease);
}

@media (hover: hover) {
  .contact-dir-row:hover::before {
    width: 100%;
  }
}

.contact-dir-num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-sub);
  transition: color 0.3s;
}

@media (hover: hover) {
  .contact-dir-row:hover .contact-dir-num {
    color: var(--accent-orange);
  }
}

.contact-dir-label {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.contact-dir-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
}

.contact-dir-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 0.04em;
}

.contact-dir-arrow {
  color: var(--accent-cyan);
  font-size: 18px;
  opacity: 0.7;
  transition: opacity 0.3s, transform 0.3s;
}

@media (hover: hover) {
  .contact-dir-row:hover .contact-dir-arrow {
    opacity: 1;
    transform: translate(2px, -2px);
  }
}

/* 联系方式主体 */
.contact-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-bottom: 72px;
  align-items: stretch;
}

.page-contact .panel-chamfer {
  --clip-edge: 18px;
  background: linear-gradient(145deg, #101A2B 0%, #0D1520 100%);
  border: 1px solid var(--contact-line);
  padding: 30px 22px 26px;
  clip-path: polygon(0 0, calc(100% - var(--clip-edge)) 0, 100% var(--clip-edge), 100% 100%, 0 100%);
  position: relative;
}

.page-contact .panel-chamfer::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-green));
  pointer-events: none;
}

.contact-channels-intro {
  margin: 16px 0 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.75;
  max-width: 56rem;
}

.contact-channel-list {
  list-style: none;
  margin: 24px 0 18px;
  padding: 0;
  border-top: 1px solid var(--contact-line);
}

.contact-channel-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  row-gap: 6px;
  column-gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--contact-line);
}

.channel-tag {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 4px;
}

.channel-value {
  grid-column: 2;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 3.8vw, 20px);
  line-height: 1.5;
  color: var(--text-main);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s;
}

@media (hover: hover) {
  a.channel-value:hover {
    color: var(--accent-cyan);
  }
}

.channel-hint {
  grid-column: 2;
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.5;
}

.channel-address::after {
  content: "⧉";
  margin-left: 10px;
  color: var(--accent-green);
  font-size: 15px;
  opacity: 0.85;
}

.page-contact .channel-address::selection {
  background: var(--accent-green);
  color: #0A0E17;
}

.contact-channels-note {
  margin: 18px 0 0;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.7;
}

.contact-channels-note a {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 209, 255, 0.6);
}

.contact-channels-note a:hover {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
}

.contact-channels-media {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.contact-channels-media img {
  width: 100%;
  height: auto;
  display: block;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.contact-channels-media figcaption,
.contact-visit-media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 0.04em;
}

/* 客服响应 */
.contact-response {
  background: var(--bg-secondary);
  border-block: 1px solid var(--contact-line);
  padding: 64px 0 60px;
  position: relative;
  overflow: hidden;
}

.contact-response::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 260px;
  height: 160px;
  background: repeating-linear-gradient(135deg, rgba(0, 209, 255, 0.08) 0 2px, transparent 2px 12px);
  clip-path: polygon(100% 0, 100% 100%, calc(100% - 160px) 100%);
  pointer-events: none;
}

.contact-response-head {
  margin-bottom: 28px;
}

.contact-response h2,
.contact-channels h2,
.contact-visit h2,
.contact-mail h2 {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4.5vw, 36px);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.contact-response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.contact-response-copy p {
  color: var(--text-sub);
  line-height: 1.8;
  font-size: 15px;
  margin: 0 0 14px;
}

.contact-inline-link {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 209, 255, 0.6);
  transition: color 0.2s, border-color 0.2s;
}

.contact-inline-link:hover {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
}

.contact-inline-tel {
  font-family: var(--font-mono);
  white-space: nowrap;
}

.contact-response-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  align-content: center;
}

.response-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 14px;
  background: rgba(10, 14, 23, 0.72);
  border-left: 2px solid var(--accent-cyan);
}

.response-step-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-orange);
  width: 1.6rem;
  flex: 0 0 auto;
}

.response-step-content {
  display: grid;
  gap: 4px;
}

.response-step-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-main);
}

.response-step-desc {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.5;
}

/* 来访指引 */
.contact-visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-block: 64px 72px;
}

.contact-visit-lead {
  margin: 0 0 16px;
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.8;
}

.contact-visit-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.contact-visit-list li {
  position: relative;
  padding-left: 20px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
}

.contact-visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--accent-orange);
  transform: rotate(45deg);
}

.contact-visit-note {
  margin: 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
}

.contact-visit-media {
  margin: 0;
}

.contact-visit-media img {
  width: 100%;
  height: auto;
  display: block;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

/* 发送邮件 CTA */
.contact-mail {
  background: linear-gradient(140deg, rgba(57, 255, 20, 0.07), rgba(0, 209, 255, 0.04) 42%, rgba(10, 14, 23, 0.2) 100%);
  border-top: 1px solid rgba(57, 255, 20, 0.3);
  padding: 60px 0 54px;
  position: relative;
  overflow: hidden;
}

.contact-mail::before {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  border: 2px dashed rgba(57, 255, 20, 0.28);
  border-radius: 30% 70% 70% 30%;
  transform: rotate(12deg);
  pointer-events: none;
}

.contact-mail-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.contact-mail-text p {
  margin: 0 0 12px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.75;
}

.contact-mail .contact-mail-note {
  border-left: 3px solid var(--accent-green);
  padding-left: 14px;
  color: var(--text-main);
}

.contact-mail-links a {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 209, 255, 0.6);
}

.contact-mail-links a:hover {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
}

.contact-mail-action {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  justify-content: center;
}

.contact-mail-btn {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 26px;
  background: var(--accent-green);
  color: #0A0E17;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.3;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: box-shadow 0.25s, transform 0.25s;
}

.contact-mail-btn:hover {
  box-shadow: 3px 3px 0 rgba(57, 255, 20, 0.35), 0 15px 40px rgba(57, 255, 20, 0.18);
  transform: translate(-1px, -1px);
}

.contact-mail-btn-address {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: rgba(10, 14, 23, 0.8);
}

.contact-mail-alt {
  margin: 0;
  color: var(--text-sub);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
}

.contact-mail-disclaimer {
  margin: 0;
  color: var(--text-sub);
  font-size: 12px;
  opacity: 0.72;
}

@media (min-width: 640px) {
  .contact-dir-row {
    grid-template-columns: 3.2rem 1fr auto;
  }

  .contact-channel-item {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .contact-channels {
    margin-bottom: 84px;
  }
}

@media (min-width: 900px) {
  .contact-directory {
    margin-bottom: 96px;
  }

  .contact-dir-row {
    padding: 24px 0;
  }

  .contact-dir-num {
    font-size: 18px;
  }

  .contact-dir-title {
    font-size: 22px;
  }

  .page-contact .panel-chamfer {
    padding: 42px 34px 36px;
  }

  .contact-channels {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 28px;
    margin-bottom: 96px;
  }

  .contact-response {
    padding: 84px 0 76px;
  }

  .contact-response-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .contact-visit {
    grid-template-columns: 1fr 0.9fr;
    gap: 48px;
    padding-block: 88px 92px;
  }

  .contact-mail {
    padding: 80px 0 76px;
  }

  .contact-mail-inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
  }

  .contact-mail-action {
    align-items: flex-end;
  }
}