/* ===== 联系通道页 · 页面级样式 ===== */
.page-contact {
  position: relative;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(36px, 7vw, 96px) 0 0;
  background:
    linear-gradient(rgba(0, 240, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.045) 1px, transparent 1px);
  background-size: 34px 34px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 8%;
  right: -90px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(181, 55, 242, 0.16), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  display: grid;
  gap: 40px;
}

.page-contact .breadcrumb {
  margin-bottom: 22px;
}

.page-contact .breadcrumb-sep {
  color: var(--text-dim);
  margin: 0 6px;
}

.page-contact .contact-title {
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 5.4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--text);
}

.page-contact .hero-desc {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 36em;
  margin: 0 0 24px;
}

.page-contact .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
}

.page-contact .hero-stat-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--cyan);
}

.page-contact .hero-stat-label {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-top: 4px;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 首屏视觉 */
.page-contact .hero-visual-frame {
  position: relative;
  overflow: hidden;
  margin: 0;
  min-height: 260px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
}

.page-contact .hero-visual-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-contact .hero-visual-frame::before {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 28px;
  height: 28px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  z-index: 2;
  pointer-events: none;
}

.page-contact .hero-visual-frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--purple), var(--cyan), transparent);
  z-index: 2;
  pointer-events: none;
}

.page-contact .hero-node {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 14px var(--cyan);
  opacity: 0.9;
  z-index: 2;
  pointer-events: none;
}

.page-contact .node-a {
  top: 24%;
  left: 14%;
}

.page-contact .node-b {
  top: 58%;
  left: 68%;
}

.page-contact .node-c {
  top: 34%;
  right: 20%;
  background: var(--purple);
  box-shadow: 0 0 14px var(--purple);
}

.page-contact .hero-figcap {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(10, 14, 39, 0.82);
  border: 1px solid var(--line);
  padding: 6px 10px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  z-index: 2;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  background:
    linear-gradient(rgba(181, 55, 242, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(181, 55, 242, 0.035) 1px, transparent 1px);
  background-size: 26px 26px;
  border-bottom: 1px solid var(--line);
}

.page-contact .section-head {
  margin-bottom: 36px;
}

.page-contact .section-head h2,
.page-contact .contact-response h2,
.page-contact .contact-feedback h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 8px 0 14px;
  color: var(--text);
}

.page-contact .section-lead {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 44em;
  margin: 0;
}

.page-contact .channel-grid {
  display: grid;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 28px 24px 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
}

.page-contact .channel-card-email {
  border-top: 3px solid var(--gold);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(242, 201, 76, 0.09), transparent 60%),
    var(--bg-panel);
}

.page-contact .channel-card-email:hover {
  box-shadow: 0 12px 32px rgba(10, 14, 39, 0.45), 0 0 24px rgba(242, 201, 76, 0.12);
}

.page-contact .channel-card-phone {
  border-top: 3px solid var(--purple);
}

.page-contact .channel-card-phone:hover {
  box-shadow: 0 12px 32px rgba(10, 14, 39, 0.45), 0 0 24px rgba(181, 55, 242, 0.14);
}

.page-contact .channel-card-address {
  border-top: 3px solid var(--cyan);
}

.page-contact .channel-card-address:hover {
  box-shadow: 0 12px 32px rgba(10, 14, 39, 0.45), 0 0 24px rgba(0, 240, 255, 0.12);
}

.page-contact .channel-no {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.page-contact .channel-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.page-contact .channel-card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--text);
}

.page-contact .channel-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0 0 16px;
}

.page-contact .channel-value {
  display: block;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
  word-break: break-all;
  transition: color 0.3s ease;
}

.page-contact .channel-card a.channel-value:hover {
  color: var(--gold);
}

.page-contact .channel-address {
  font-size: 0.94rem;
  line-height: 1.6;
}

.page-contact .channel-note {
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 0;
}

.page-contact .channel-tag {
  position: absolute;
  top: -11px;
  right: 18px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.page-contact .channel-card:hover .channel-tag {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 工作时间与响应 ---------- */
.page-contact .response-panel {
  position: relative;
  display: grid;
  gap: 32px;
  background:
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    var(--bg-panel);
  background-size: 28px 28px;
  border: 1px solid var(--line);
  padding: 36px 24px;
  overflow: hidden;
}

.page-contact .response-panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--orange));
  pointer-events: none;
}

.page-contact .response-lead {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-dim);
  margin: 0 0 20px;
}

.page-contact .response-list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
}

.page-contact .response-list li {
  position: relative;
  padding: 10px 0 10px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .response-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-contact .response-link {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .response-right {
  display: grid;
  gap: 14px;
}

.page-contact .response-card {
  position: relative;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-contact .response-card-primary {
  border-color: rgba(255, 107, 53, 0.55);
  background:
    linear-gradient(135deg, rgba(255, 107, 53, 0.1), transparent 55%),
    var(--bg-raised);
}

.page-contact .response-card-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.page-contact .response-card-value {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--orange);
}

.page-contact .response-card:not(.response-card-primary) .response-card-value {
  color: var(--purple);
}

.page-contact .response-card-unit {
  font-size: 0.74rem;
  color: var(--text-dim);
}

.page-contact .response-timeline {
  position: relative;
  padding: 16px 18px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  display: grid;
  gap: 14px;
}

.page-contact .response-timeline::before {
  content: "";
  position: absolute;
  left: 74px;
  top: 30px;
  bottom: 30px;
  width: 1px;
  background: var(--line);
}

.page-contact .tl-row {
  display: grid;
  grid-template-columns: 58px 12px 1fr;
  gap: 12px;
  align-items: center;
}

.page-contact .tl-time {
  font-size: 0.78rem;
  color: var(--cyan);
}

.page-contact .tl-dot {
  width: 8px;
  height: 8px;
  background: var(--purple);
  box-shadow: 0 0 10px rgba(181, 55, 242, 0.6);
  border-radius: 50%;
}

.page-contact .tl-row:last-child .tl-dot {
  background: var(--orange);
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.6);
}

.page-contact .tl-label {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ---------- 反馈入口指引 ---------- */
.page-contact .feedback-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-contact .feedback-map {
  position: relative;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-panel);
}

.page-contact .feedback-map img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .map-overlay {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(10, 14, 39, 0.84);
  border: 1px solid var(--line);
  padding: 8px 14px;
}

.page-contact .map-pin {
  width: 10px;
  height: 10px;
  background: var(--gold);
  border: 2px solid var(--bg);
  box-shadow: 0 0 12px rgba(242, 201, 76, 0.6);
}

.page-contact .map-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text);
}

.page-contact .feedback-lead {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-dim);
  margin: 0 0 20px;
}

.page-contact .feedback-steps {
  list-style: none;
  counter-reset: fbstep;
  padding: 0;
  margin: 0 0 24px;
}

.page-contact .feedback-steps li {
  counter-increment: fbstep;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .feedback-steps li::before {
  content: counter(fbstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 3px 8px;
  line-height: 1.4;
}

.page-contact .feedback-note {
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--text-dim);
  background: var(--bg-panel);
  border-left: 3px solid var(--gold);
  padding: 14px 16px;
  margin: 0 0 24px;
}

.page-contact .feedback-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面端适配 ---------- */
@media (min-width: 860px) {
  .page-contact .contact-hero {
    padding-top: clamp(56px, 9vw, 120px);
  }

  .page-contact .contact-hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
  }

  .page-contact .hero-stats {
    grid-template-columns: repeat(3, auto);
    gap: 36px;
  }

  .page-contact .hero-visual-frame {
    min-height: 360px;
  }

  .page-contact .hero-visual-frame img {
    width: 100%;
    height: 420px;
    object-fit: cover;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .response-panel {
    grid-template-columns: 1fr 0.85fr;
    gap: 48px;
    padding: 44px 48px;
  }

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

  .page-contact .response-timeline {
    grid-column: 1 / -1;
  }

  .page-contact .feedback-grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 48px;
  }

  .page-contact .feedback-map img {
    height: 400px;
    object-fit: cover;
  }
}