.page-contact {
  --ct-gap: clamp(16px, 2.4vw, 32px);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-contact .container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--cyan);
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

.page-contact .section-head {
  max-width: 68ch;
}

.page-contact .section-head h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
}

.page-contact .section-head p:last-child {
  margin: 14px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + 36px) 0 clamp(56px, 7vw, 96px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(100, 244, 210, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(100, 244, 210, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 88%);
  pointer-events: none;
}

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

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-contact .contact-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 14px 0 0;
  max-width: 15ch;
}

.page-contact .contact-lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-toc {
  list-style: none;
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  max-width: 420px;
}

.page-contact .contact-toc__item a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-contact .contact-toc__item a:hover,
.page-contact .contact-toc__item a:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-contact .contact-toc__item .num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--orange);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

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

.page-contact .contact-floater {
  position: relative;
  margin: -26px 12px 0;
  padding: 16px 18px;
  background: rgba(11, 38, 32, 0.96);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  box-shadow: var(--shadow);
}

.page-contact .contact-floater p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .round-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: var(--orange);
  padding: 4px 9px;
}

/* ---------- 联络渠道 ---------- */
.page-contact .channel-section {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-contact .channel-deck {
  display: grid;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .channel-card:hover {
  border-color: var(--cyan);
  background: var(--panel-2);
}

.page-contact .channel-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .channel-card__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.2vw, 25px);
  font-weight: 700;
  line-height: 1.2;
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.4;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

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

.page-contact .channel-card__value--plain {
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--text);
}

.page-contact .channel-card__use {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .channel-card__action {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 资料反馈 ---------- */
.page-contact .feedback-section {
  padding: clamp(56px, 8vw, 104px) 0;
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .feedback-flow {
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 18px clamp(12px, 2vw, 24px);
  background: var(--panel-2);
  border: 1px solid var(--line);
  overflow-x: auto;
}

.page-contact .feedback-flow__svg {
  display: block;
  width: 100%;
  min-width: 540px;
  height: auto;
}

.page-contact .feedback-grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 36px);
  margin-top: clamp(28px, 4vw, 44px);
  align-items: start;
}

.page-contact .feedback-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .feedback-list > div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .feedback-list dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .feedback-list dd {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .feedback-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 10px;
}

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

.page-contact .feedback-media .media-caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  font-family: var(--font-mono);
}

/* ---------- 合作方向 ---------- */
.page-contact .partners-section {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-contact .partner-tabs {
  margin-top: clamp(24px, 3vw, 38px);
  border-top: 1px solid var(--line);
}

.page-contact .partner-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .partner-tabs .tab {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 10px 16px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-contact .partner-tabs .tab:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .partner-tabs .tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--bg);
}

.page-contact .partner-tabs .tab:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-contact .partner-tabs .tab-panel {
  padding: clamp(22px, 3vw, 34px) 0 0;
}

.page-contact .partner-tabs .tab-panel[hidden] {
  display: none;
}

.page-contact .partner-panel__lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  line-height: 1.85;
  color: var(--text);
}

.page-contact .partner-panel__grid {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-contact .partner-panel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .partner-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .partner-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .partner-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--orange);
  font-family: var(--font-mono);
}

.page-contact .partner-panel__contact {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .partner-panel__contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .partner-panel__contact a:hover,
.page-contact .partner-panel__contact a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan);
}

/* ---------- 服务时间 ---------- */
.page-contact .hours-section {
  padding: clamp(52px, 7vw, 92px) 0;
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .hours-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .hours-intro h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.14;
  margin: 12px 0 0;
}

.page-contact .hours-intro p {
  margin: 16px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
  max-width: 46ch;
}

.page-contact .hours-table {
  border-top: 1px solid var(--line);
}

.page-contact .hours-row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .hours-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-contact .hours-value {
  display: grid;
  gap: 6px;
}

.page-contact .hours-value__time {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.2;
  color: var(--cyan);
}

.page-contact .hours-value__note {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hours-value__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .hours-value__note a:hover,
.page-contact .hours-value__note a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan);
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-links {
  display: grid;
  gap: 1px;
  margin-top: clamp(32px, 4.5vw, 52px);
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-contact .contact-link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 46px;
  background: var(--bg);
  color: var(--text);
  text-decoration: none;
  transition: background 0.2s var(--ease);
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  background: var(--panel-2);
}

.page-contact .contact-link__label {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .contact-link__desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-link__arrow {
  position: absolute;
  right: 20px;
  bottom: 18px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .contact-floater {
    position: absolute;
    right: 16px;
    bottom: 16px;
    width: min(320px, 74%);
    margin: 0;
  }

  .page-contact .partner-panel__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .hours-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .channel-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--ct-gap);
    padding-bottom: 56px;
  }

  .page-contact .channel-card:nth-child(2) {
    transform: translateY(28px);
  }

  .page-contact .channel-card:nth-child(3) {
    transform: translateY(56px);
  }

  .page-contact .contact-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 4vw, 64px);
  }

  .page-contact .contact-toc {
    position: sticky;
    top: calc(var(--header-h-scrolled) + 24px);
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .contact-link,
  .page-contact .contact-toc__item a,
  .page-contact .partner-tabs .tab {
    transition: none;
  }

  .page-contact .channel-card:nth-child(2),
  .page-contact .channel-card:nth-child(3) {
    transform: none;
  }

  .page-contact .channel-deck {
    padding-bottom: 0;
  }
}