/* ============================================
   365看台 · 联系页 / page-contact
   作用域限定：.page-contact
   ============================================ */

.page-contact {
  --mono: "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  background-color: var(--deep-space);
  color: var(--ivory);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-bottom: var(--space-6);
  font-size: 0.8125rem;
}

.page-contact .breadcrumb a {
  color: var(--rock-gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.page-contact .breadcrumb a:hover {
  color: var(--gold-b);
  border-color: var(--gold-line);
}

.page-contact .breadcrumb .is-active {
  color: var(--gold-b);
}

/* ---------- 联系单抬头 ---------- */
.page-contact .contact-masthead {
  position: relative;
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--grid-line);
  background:
    radial-gradient(85% 120% at 82% 0%, rgba(201, 168, 76, 0.10), transparent 55%),
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 48px,
    var(--deep-space);
}

.page-contact .contact-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--gold-a) 22%, var(--gold-b) 55%, transparent 100%);
  opacity: 0.45;
  pointer-events: none;
}

.page-contact .contact-masthead-grid {
  display: grid;
  gap: var(--space-6);
  align-items: end;
}

.page-contact .contact-masthead-main .sec-idx {
  display: inline-flex;
  margin-bottom: var(--space-4);
}

.page-contact .contact-title {
  margin: 0 0 var(--space-4);
  font-size: clamp(2.4rem, 8vw, 5.5rem);
  font-weight: var(--font-display);
  line-height: 1.05;
  letter-spacing: 0.01em;
}

.page-contact .contact-title span {
  background: linear-gradient(120deg, var(--gold-a), var(--gold-b));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact .contact-masthead-lead {
  max-width: 580px;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--rock-gray);
}

.page-contact .contact-masthead-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: var(--space-4);
}

.page-contact .contact-doc-id {
  display: grid;
  gap: 4px;
  min-width: 220px;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--gold-line);
  background: rgba(7, 20, 39, 0.62);
}

.page-contact .contact-doc-label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rock-gray);
}

.page-contact .contact-doc-value {
  font-size: 1.625rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--gold-b);
}

.page-contact .contact-doc-coord {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--steel-blue);
}

.page-contact .contact-doc-state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  border: 1px solid var(--grid-line);
  font-size: 0.8125rem;
  color: var(--rock-gray);
  white-space: nowrap;
}

/* ---------- 区块通用标题 ---------- */
.page-contact .contact-section-head {
  margin-bottom: var(--space-5);
}

.page-contact .contact-section-head .sec-idx {
  display: inline-flex;
}

.page-contact .contact-section-head h2 {
  margin: var(--space-3) 0 var(--space-2);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 300;
  line-height: 1.2;
}

.page-contact .contact-section-head p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--rock-gray);
}

/* ---------- SEC-02 · 官方联系通道 ---------- */
.page-contact .contact-channel-section {
  padding: 48px 0 64px;
  background:
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 96px 96px,
    var(--deep-space);
}

.page-contact .contact-channel-grid {
  display: grid;
  gap: var(--space-5);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 330px;
  padding: var(--space-5);
  border: 1px solid var(--grid-line);
  background: var(--panel-bg);
  transition: border-color 180ms var(--ease-out), transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  box-sizing: border-box;
  padding: 1px;
  background: linear-gradient(135deg, var(--gold-a), var(--gold-b));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms var(--ease-out);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--gold-line);
  box-shadow: 0 12px 28px rgba(7, 20, 39, 0.42);
}

.page-contact .contact-card:hover::before,
.page-contact .contact-card:focus-within::before {
  opacity: 1;
}

.page-contact .contact-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-1);
}

.page-contact .contact-card-code {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--rock-gray);
}

.page-contact .contact-card-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--grid-line);
  color: var(--gold-a);
  transition: transform 240ms var(--ease-out), color 240ms var(--ease-out);
}

.page-contact .contact-card:hover .contact-card-icon,
.page-contact .contact-card:focus-within .contact-card-icon {
  transform: rotate(90deg);
}

.page-contact .contact-card-title {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ivory);
}

.page-contact .contact-card-main {
  display: inline-block;
  margin-top: var(--space-1);
  padding-bottom: 2px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 300;
  line-height: 1.4;
  color: var(--gold-b);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease-out), color 180ms var(--ease-out);
}

.page-contact .contact-card-main:hover,
.page-contact .contact-card-main:focus-visible {
  border-bottom-color: var(--gold-a);
}

.page-contact .contact-card-desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--rock-gray);
}

.page-contact .contact-card-tag {
  align-self: flex-start;
  margin-top: auto;
  padding: 4px 10px;
  border: 1px solid var(--gold-line);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--gold-b);
}

.page-contact .contact-card-note {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--steel-blue);
}

.page-contact .contact-card-tip {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--steel-blue);
  transition: max-height 240ms var(--ease-out), opacity 180ms var(--ease-out), margin-top 240ms var(--ease-out);
}

.page-contact .contact-card:hover .contact-card-tip,
.page-contact .contact-card:focus-within .contact-card-tip {
  max-height: 72px;
  margin-top: var(--space-1);
  opacity: 1;
}

/* 电话卡 */
.page-contact .contact-card-phone .contact-card-icon {
  color: var(--signal-orange);
}

.page-contact .contact-card-phone .contact-card-main {
  color: var(--ivory);
}

.page-contact .contact-card-phone .contact-card-main:hover,
.page-contact .contact-card-phone .contact-card-main:focus-visible {
  border-bottom-color: var(--signal-orange);
}

.page-contact .contact-card-phone .contact-card-tag {
  border-color: rgba(255, 122, 26, 0.5);
  color: rgba(255, 122, 26, 0.9);
}

.page-contact .contact-card-phone .contact-card-note {
  color: var(--terracotta);
}

/* 地址卡 */
.page-contact .contact-address-frame {
  display: grid;
  gap: 2px;
  margin-top: var(--space-1);
  padding: var(--space-4);
  border: 1px solid var(--grid-line);
  background: var(--ink-blue);
}

.page-contact .contact-address-line {
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

/* ---------- SEC-03 · 反馈前准备 ---------- */
.page-contact .contact-prep-section {
  padding: 64px 0;
  border-top: 1px solid var(--grid-line);
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 64px,
    var(--deep-space);
}

.page-contact .contact-prep-grid {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

.page-contact .prep-checklist {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.page-contact .prep-item {
  position: relative;
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4);
  border: 1px solid var(--grid-line);
  background: rgba(7, 20, 39, 0.42);
  cursor: pointer;
  transition: border-color 180ms var(--ease-out), background 180ms var(--ease-out);
}

.page-contact .prep-item:hover {
  border-color: var(--gold-line);
  background: rgba(7, 20, 39, 0.62);
}

.page-contact .prep-item input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-contact .prep-item-box {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rock-gray);
  background: transparent;
  color: var(--deep-space);
  transition: background 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.page-contact .prep-item-box svg {
  width: 14px;
  height: 14px;
  opacity: 0;
  transition: opacity 120ms var(--ease-out);
}

.page-contact .prep-item input:checked + .prep-item-box {
  border-color: transparent;
  background: linear-gradient(120deg, var(--gold-a), var(--gold-b));
}

.page-contact .prep-item input:checked + .prep-item-box svg {
  opacity: 1;
}

.page-contact .prep-item input:focus-visible + .prep-item-box {
  outline: 2px solid var(--signal-orange);
  outline-offset: 2px;
}

.page-contact .prep-item-body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .prep-item-body strong {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ivory);
  transition: color 180ms var(--ease-out);
}

.page-contact .prep-item input:checked ~ .prep-item-body strong {
  color: var(--gold-b);
}

.page-contact .prep-item-body span {
  font-size: 0.8375rem;
  line-height: 1.8;
  color: var(--rock-gray);
}

.page-contact .prep-tip {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-left: 2px solid var(--signal-orange);
  background: rgba(255, 122, 26, 0.05);
}

.page-contact .prep-tip-mark {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 122, 26, 0.55);
  color: var(--signal-orange);
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 500;
}

.page-contact .prep-tip p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--rock-gray);
}

/* ---------- 图框 ---------- */
.page-contact .contact-figure {
  margin: 0;
  padding: var(--space-3);
  border: 1px solid var(--grid-line);
  background: var(--ink-blue);
}

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

.page-contact .contact-figure figcaption {
  padding: var(--space-3) var(--space-1) var(--space-1);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--rock-gray);
}

/* ---------- SEC-04 · 响应承诺 ---------- */
.page-contact .contact-response-section {
  padding: 64px 0;
  border-top: 1px solid var(--grid-line);
  background:
    radial-gradient(120% 100% at 15% 0%, rgba(61, 107, 142, 0.16), transparent 52%),
    var(--deep-space);
}

.page-contact .contact-response-grid {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

.page-contact .response-timeline {
  margin-top: var(--space-5);
  padding: var(--space-5);
  border: 1px solid var(--grid-line);
  background: rgba(7, 20, 39, 0.52);
}

.page-contact .timeline-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.page-contact .timeline-node {
  flex-shrink: 0;
  padding: 6px 12px;
  border: 1px solid var(--grid-line);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--rock-gray);
}

.page-contact .timeline-node.is-end {
  border-color: var(--gold-line);
  color: var(--gold-b);
}

.page-contact .timeline-track {
  position: relative;
  flex: 1;
  height: 2px;
  overflow: hidden;
  background: var(--grid-line);
}

.page-contact .timeline-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--gold-a), var(--gold-b));
  transform-origin: 0 50%;
  animation: page-contact-resp-pulse 2.8s ease-in-out infinite alternate;
}

@keyframes page-contact-resp-pulse {
  0%   { transform: scaleX(0.96); opacity: 0.65; }
  100% { transform: scaleX(1);    opacity: 1; }
}

.page-contact .timeline-meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-3);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--steel-blue);
}

.page-contact .response-list {
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .response-list-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .response-list-item:last-child {
  border-bottom: 0;
}

.page-contact .response-list-item dt {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gold-b);
}

.page-contact .response-list-item dd {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--rock-gray);
}

/* ---------- 底部响应状态条 ---------- */
.page-contact .contact-status-strip {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--grid-line);
  background: var(--ink-blue);
}

.page-contact .contact-status-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
  font-size: 0.8125rem;
  color: var(--rock-gray);
}

.page-contact .contact-status-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.page-contact .contact-status-sep {
  opacity: 0.4;
}

.page-contact .contact-status-link {
  margin-left: auto;
  padding-bottom: 2px;
  color: var(--gold-b);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  transition: color 180ms var(--ease-out);
}

.page-contact .contact-status-link:hover {
  color: var(--gold-a);
}

/* ---------- 附注行 ---------- */
.page-contact .contact-legal-line {
  padding: var(--space-4) 0 var(--space-6);
  border-top: 1px solid rgba(163, 172, 184, 0.08);
  background: var(--ink-blue);
}

.page-contact .contact-legal-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2) var(--space-5);
  font-size: 0.75rem;
  color: var(--steel-blue);
}

.page-contact .contact-legal-inner a {
  color: var(--rock-gray);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 180ms var(--ease-out);
}

.page-contact .contact-legal-inner a:hover {
  color: var(--gold-b);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .contact-card-address {
    grid-column: 1 / -1;
    min-height: 280px;
  }

  .page-contact .contact-card-address .contact-address-frame {
    display: flex;
    gap: var(--space-3);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-masthead {
    padding: 64px 0 96px;
  }

  .page-contact .contact-masthead-grid {
    grid-template-columns: minmax(0, 1fr) 400px;
  }

  .page-contact .contact-masthead-meta {
    justify-content: flex-end;
  }

  .page-contact .contact-channel-section {
    padding: 96px 0;
  }

  .page-contact .contact-prep-section,
  .page-contact .contact-response-section {
    padding: 96px 0;
  }

  .page-contact .contact-prep-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 440px);
  }

  .page-contact .contact-response-grid {
    grid-template-columns: minmax(0, 440px) minmax(0, 1fr);
  }

  .page-contact .contact-response-content {
    order: 2;
  }

  .page-contact .contact-response-grid .contact-figure {
    order: 1;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .contact-card-address {
    grid-column: auto;
    min-height: 330px;
  }

  .page-contact .contact-card-address .contact-address-frame {
    display: grid;
    gap: 2px;
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    animation: none !important;
    transition: none !important;
  }
}