.page-contact {
  --contact-border: 2px solid var(--line-600);
  --contact-gap: clamp(1.5rem, 4vw, 3rem);
  color: var(--text-100);
  font-family: var(--font-body);
  background-color: var(--ink-900);
  padding-bottom: clamp(3rem, 9vw, 7rem);
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(1.25rem, 3.5vw, 2rem) clamp(2rem, 5vw, 3.75rem);
  background:
    radial-gradient(120% 92% at 84% 4%, rgba(122, 92, 255, 0.18), transparent 58%),
    linear-gradient(180deg, rgba(36, 211, 255, 0.06), transparent 72%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(34, 48, 79, 0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 48, 79, 0.38) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
}

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

.page-contact .breadcrumbs {
  margin-bottom: clamp(1.25rem, 3.5vw, 2.25rem);
}

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

.page-contact .contact-hero__title {
  margin: 0.65rem 0 0.9rem;
  font-size: clamp(1.85rem, 5.6vw, 3.15rem);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 46ch;
  color: var(--text-300);
  font-size: 1rem;
  line-height: 1.85;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 1.75rem 0 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line-600);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-300);
}

.page-contact .contact-hero__facts li {
  position: relative;
  padding-left: 1rem;
}

.page-contact .contact-hero__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--pulse-500);
}

.page-contact .contact-hero__art {
  margin: 0;
  border: var(--contact-border);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard-lg);
  padding: 0.6rem;
}

.page-contact .contact-hero__art .media-frame__inner {
  overflow: hidden;
  border: 1px solid var(--line-600);
}

.page-contact .contact-hero__art .media-frame__inner img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-contact .contact-hero__art .media-frame__caption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  color: var(--text-300);
  line-height: 1.7;
}

/* ---------- 通用分节 ---------- */
.page-contact .contact-section {
  padding-block: clamp(2.25rem, 6vw, 4.25rem);
  border-top: 1px solid var(--line-600);
  scroll-margin-top: 5rem;
}

.page-contact .contact-section__head {
  max-width: 64ch;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .contact-section__title {
  margin: 0.5rem 0 0.75rem;
  font-size: clamp(1.35rem, 3.6vw, 1.95rem);
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .contact-section__lede {
  margin: 0;
  color: var(--text-300);
  font-size: 1rem;
  line-height: 1.85;
}

/* ---------- 联系卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-card {
  --accent: var(--cool-400);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.25rem, 3vw, 1.85rem);
  background: var(--ink-800);
  border: var(--contact-border);
  box-shadow: var(--shadow-hard);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease),
    box-shadow 0.28s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
}

.page-contact .channel-card--mail { --accent: var(--cool-400); }
.page-contact .channel-card--phone { --accent: var(--pulse-500); }
.page-contact .channel-card--place { --accent: var(--warm-400); }

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translate(-3px, -3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-hard-lg);
}

.page-contact .channel-card__code {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-contact .channel-card__value {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 3vw, 1.28rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--text-100);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease);
}

.page-contact .channel-card__value a:hover,
.page-contact .channel-card__value a:focus-visible {
  color: var(--accent);
}

.page-contact .channel-card__body {
  margin: 0.35rem 0 0;
  color: var(--text-300);
  font-size: 0.94rem;
  line-height: 1.8;
}

/* ---------- 响应时段 ---------- */
.page-contact .response-grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .response-block {
  padding: clamp(1.25rem, 3vw, 1.9rem);
  background: var(--ink-800);
  border: var(--contact-border);
  border-left: 4px solid var(--cool-400);
  box-shadow: var(--shadow-hard);
}

.page-contact .response-block__code {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--cool-400);
}

.page-contact .response-block__time {
  margin: 0.6rem 0 0;
  font-size: 1.05rem;
  color: var(--text-300);
}

.page-contact .response-block__time strong {
  display: inline-block;
  margin-left: 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.6vw, 2.2rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--pulse-500);
}

.page-contact .response-block__note {
  margin: 0.85rem 0 0;
  color: var(--text-300);
  font-size: 0.94rem;
  line-height: 1.85;
}

.page-contact .response-block__note a {
  color: var(--cool-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .response-block__sub {
  margin: 1.6rem 0 0.85rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-600);
  font-size: 1rem;
  font-weight: 700;
}

/* ---------- 勾选清单 ---------- */
.page-contact .checklist {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 1.9rem;
  color: var(--text-300);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  width: 0.95rem;
  height: 0.95rem;
  border: 2px solid var(--line-600);
  background: var(--ink-700);
}

.page-contact .checklist li::after {
  content: "";
  position: absolute;
  left: 0.26rem;
  top: 0.48em;
  width: 0.44rem;
  height: 0.24rem;
  border-left: 2px solid var(--pulse-500);
  border-bottom: 2px solid var(--pulse-500);
  transform: rotate(-45deg);
}

.page-contact .checklist--compact {
  gap: 0.55rem;
  margin-top: 1rem;
}

/* ---------- 截图示意 ---------- */
.page-contact .shot-figure {
  margin: 0;
}

.page-contact .shot-figure__frame {
  position: relative;
  padding: 0.6rem;
  background: var(--ink-800);
  border: var(--contact-border);
  box-shadow: var(--shadow-hard-lg);
}

.page-contact .shot-figure__frame img {
  display: block;
  width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.04);
}

.page-contact .shot-figure__marker {
  position: absolute;
  left: 58%;
  top: 34%;
  width: 16%;
  aspect-ratio: 1 / 1;
  border: 2px solid var(--warm-300);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(255, 197, 61, 0.14);
}

.page-contact .shot-figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  color: var(--text-300);
  line-height: 1.7;
}

/* ---------- 反馈折叠 ---------- */
.page-contact .feedback-list {
  display: grid;
  gap: 1rem;
}

.page-contact .feedback-item {
  border: var(--contact-border);
  background: var(--ink-800);
  transition: border-color 0.25s var(--ease);
}

.page-contact .feedback-item[open] {
  border-color: var(--cool-600);
}

.page-contact .feedback-item .fold__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.5rem 0.9rem;
  padding: clamp(1rem, 2.6vw, 1.3rem) clamp(1rem, 2.6vw, 1.5rem);
  cursor: pointer;
}

.page-contact .feedback-item__code {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--violet-500);
}

.page-contact .feedback-item__title {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-contact .feedback-item__hint {
  grid-column: 2;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-300);
}

.page-contact .feedback-item[open] .feedback-item__hint {
  color: var(--cool-400);
}

.page-contact .feedback-item .fold__body {
  padding: 0 clamp(1rem, 2.6vw, 1.5rem) clamp(1.15rem, 3vw, 1.6rem);
}

.page-contact .feedback-item .fold__body > p {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-600);
  color: var(--text-300);
  font-size: 0.94rem;
  line-height: 1.85;
}

/* ---------- 合作共建 ---------- */
.page-contact .build-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .build-row {
  display: grid;
  gap: 0.7rem 1.5rem;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: var(--ink-800);
  border: var(--contact-border);
  box-shadow: var(--shadow-hard);
  transition: border-color 0.25s var(--ease);
}

.page-contact .build-row:hover {
  border-color: var(--warm-400);
}

.page-contact .build-row__index {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--warm-400);
}

.page-contact .build-row__main h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-contact .build-row__main p {
  margin: 0;
  color: var(--text-300);
  font-size: 0.94rem;
  line-height: 1.82;
}

.page-contact .build-row__need {
  margin: 0;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line-600);
  font-size: 0.72rem;
  line-height: 1.75;
  letter-spacing: 0.03em;
  color: var(--text-300);
}

/* ---------- 天津运营 ---------- */
.page-contact .ops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .ops-figure {
  --ops-accent: var(--cool-400);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.35rem 1.15rem 1.15rem;
  background: var(--ink-800);
  border: var(--contact-border);
}

.page-contact .ops-figure::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ops-accent);
}

.page-contact .ops-figure--warm {
  --ops-accent: var(--warm-400);
}

.page-contact .ops-figure__num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.2vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--ops-accent);
}

.page-contact .ops-figure__unit {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-300);
}

.page-contact .ops-figure__label {
  margin-top: 0.35rem;
  font-size: 0.86rem;
  color: var(--text-100);
}

.page-contact .ops-notes {
  display: grid;
  gap: 0.9rem;
  max-width: 74ch;
}

.page-contact .ops-notes p {
  margin: 0;
  color: var(--text-300);
  font-size: 0.94rem;
  line-height: 1.88;
}

.page-contact .ops-notes a {
  color: var(--cool-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .feedback-item .fold__summary {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .page-contact .feedback-item__hint {
    grid-column: 3;
  }

  .page-contact .build-row {
    grid-template-columns: 3.25rem minmax(0, 1fr) minmax(0, 19rem);
    align-items: start;
  }

  .page-contact .build-row__need {
    padding-top: 0;
    padding-left: 1.1rem;
    border-top: 0;
    border-left: 1px solid var(--line-600);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .response-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(1.75rem, 4vw, 3rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .build-row,
  .page-contact .feedback-item {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}