.page-contact {
  background: var(--ink-900);
  color: var(--ice-50);
}

.page-contact :focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 3px;
}

.page-contact .breadcrumb {
  padding-top: 16px;
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5vw, 52px) 0 clamp(38px, 7vw, 78px);
  border-bottom: 2px solid var(--line-400);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -18% -12% auto -12%;
  height: 130%;
  z-index: -1;
  pointer-events: none;
  transform: skewY(-3deg);
  transform-origin: top left;
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.11) 0%, rgba(34, 211, 238, 0) 48%),
    repeating-linear-gradient(90deg, rgba(36, 67, 102, 0.55) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(36, 67, 102, 0.42) 0 1px, transparent 1px 72px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 300px;
  height: 300px;
  z-index: -1;
  pointer-events: none;
  border: 2px solid var(--line-400);
  transform: rotate(45deg);
  background: linear-gradient(135deg, rgba(255, 138, 61, 0.14), rgba(255, 138, 61, 0));
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(30px, 5vw, 48px);
  align-items: center;
}

.page-contact .contact-hero__eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 12px;
  border: 2px solid var(--cyan-500);
  background: rgba(34, 211, 238, 0.08);
  color: var(--cyan-300);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(28px, 5.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.04em;
}

.page-contact .contact-hero__lead {
  margin: 0 0 26px;
  max-width: 58ch;
  color: var(--slate-300);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-contact .contact-hero__plot {
  display: block;
  width: min(100%, 300px);
  height: auto;
  margin-inline: auto;
}

.page-contact .plot-ring {
  fill: none;
  stroke: var(--line-400);
  stroke-width: 2;
}

.page-contact .plot-cross {
  stroke: var(--line-400);
  stroke-width: 1.5;
  stroke-dasharray: 4 8;
}

.page-contact .plot-link {
  stroke: var(--cyan-500);
  stroke-width: 2;
}

.page-contact .plot-node {
  fill: var(--orange-500);
}

.page-contact .plot-node-alt {
  fill: var(--cyan-300);
}

/* ---------- 通用区块 ---------- */
.page-contact .section {
  padding-block: clamp(42px, 7vw, 86px);
}

.page-contact .section-head {
  display: grid;
  gap: 10px;
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-contact .section-head__index {
  width: fit-content;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--line-400);
  color: var(--cyan-500);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-contact .section-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.page-contact .section-head__note {
  margin: 0;
  color: var(--slate-300);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 联系渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 18px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  padding: 22px 20px 24px;
  border: 2px solid var(--line-400);
  background: var(--ink-800);
  box-shadow: var(--shadow-brut);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-500);
  box-shadow: var(--shadow-lift);
}

.page-contact .channel-card:focus-within {
  border-color: var(--cyan-500);
}

.page-contact .channel-card--primary {
  border-color: var(--cyan-500);
  background: var(--ink-700);
}

.page-contact .channel-card__label {
  margin: 0 0 12px;
  color: var(--cyan-300);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .channel-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  color: var(--ice-50);
  font-size: clamp(16px, 3.2vw, 21px);
  font-weight: 500;
  line-height: 1.35;
  overflow-wrap: anywhere;
  border-bottom: 2px solid var(--cyan-500);
  padding-bottom: 10px;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-body);
  font-size: clamp(15px, 2.6vw, 17px);
  line-height: 1.6;
}

.page-contact .channel-card__body {
  margin: 0;
  color: var(--slate-300);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .channel-card__copy {
  align-self: flex-start;
  margin-top: auto;
  padding: 9px 15px;
  border: 2px solid var(--line-400);
  background: transparent;
  color: var(--cyan-300);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .channel-card__body + .channel-card__copy {
  margin-top: 16px;
}

.page-contact .channel-card__copy:hover {
  background: var(--cyan-500);
  border-color: var(--cyan-500);
  color: var(--ink-900);
}

.page-contact .channel-status {
  min-height: 1.2em;
  margin: 14px 0 0;
  color: var(--mint-500);
  font-size: 13px;
  line-height: 1.6;
}

.page-contact .channel-map {
  margin-top: clamp(20px, 3.5vw, 32px);
  border: 2px solid var(--line-400);
}

/* ---------- 合作方向 ---------- */
.page-contact .cooperation {
  background: var(--ink-800);
  border-top: 2px solid var(--line-400);
  border-bottom: 2px solid var(--line-400);
}

.page-contact .track-grid {
  display: grid;
  gap: 16px;
  counter-reset: track;
}

.page-contact .track-card {
  position: relative;
  counter-increment: track;
  padding: 22px 20px 24px;
  border: 2px solid var(--line-400);
  background: var(--ink-900);
  box-shadow: var(--shadow-brut);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .track-card::before {
  content: counter(track, decimal-leading-zero);
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--line-400);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .track-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-500);
  box-shadow: var(--shadow-lift);
}

.page-contact .track-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-contact .track-card__body {
  margin: 0;
  color: var(--slate-300);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 沟通流程 ---------- */
.page-contact .process__inner {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  align-items: start;
}

.page-contact .process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.page-contact .process-step {
  position: relative;
  counter-increment: step;
  margin-left: 17px;
  padding: 0 0 26px 34px;
  border-left: 2px solid var(--line-400);
}

.page-contact .process-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .process-step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -18px;
  top: -4px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--cyan-500);
  background: var(--ink-900);
  color: var(--cyan-300);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-contact .process-step__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
}

.page-contact .process-step__body {
  margin: 0;
  color: var(--slate-300);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .process__figure {
  border: 2px solid var(--line-400);
}

/* ---------- 服务范围 ---------- */
.page-contact .coverage__panel {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 4vw, 36px);
  border: 2px solid var(--cyan-500);
  background:
    linear-gradient(120deg, rgba(34, 211, 238, 0.13), rgba(7, 20, 38, 0) 62%),
    var(--ink-800);
  box-shadow: var(--shadow-brut);
}

.page-contact .coverage__num {
  display: block;
  color: var(--orange-500);
  font-size: clamp(56px, 9vw, 88px);
  font-weight: 600;
  line-height: 1;
}

.page-contact .coverage__unit {
  display: block;
  margin-top: 10px;
  color: var(--cyan-300);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}

.page-contact .coverage__text {
  margin: 0;
  color: var(--slate-300);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .coverage__facts {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .coverage__fact {
  padding: 14px 16px;
  border: 2px solid var(--line-400);
  background: var(--ink-900);
}

.page-contact .coverage__fact strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ice-50);
  font-size: 20px;
  font-weight: 600;
}

.page-contact .coverage__fact span {
  color: var(--slate-300);
  font-size: 13px;
  line-height: 1.5;
}

/* ---------- 响应与准备 ---------- */
.page-contact .prepare {
  display: grid;
  gap: 18px;
}

.page-contact .prepare__card {
  padding: clamp(20px, 3vw, 30px);
  border: 2px solid var(--line-400);
  background: var(--ink-800);
}

.page-contact .prepare__card--accent {
  border-color: var(--orange-500);
  background: var(--ink-700);
}

.page-contact .prepare__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-contact .prepare__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
  color: var(--slate-300);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 合规信息 ---------- */
.page-contact .compliance {
  padding-block: clamp(38px, 6vw, 68px);
  border-top: 2px solid var(--line-400);
  background: var(--ink-800);
}

.page-contact .compliance__grid {
  display: grid;
  gap: 24px;
}

.page-contact .compliance__rows {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .compliance__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 12px 14px;
  border: 2px solid var(--line-400);
  background: var(--ink-900);
}

.page-contact .compliance__row dt {
  min-width: 84px;
  color: var(--cyan-300);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .compliance__row dd {
  margin: 0;
  color: var(--ice-50);
  font-size: 14.5px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-contact .compliance__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .compliance__link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 2px solid var(--line-400);
  background: var(--ink-900);
  color: var(--ice-50);
  font-size: 14.5px;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .compliance__link::after {
  content: "→";
  color: var(--cyan-500);
  font-family: var(--font-mono);
}

.page-contact .compliance__link:hover {
  transform: translateX(2px);
  border-color: var(--cyan-500);
  color: var(--cyan-300);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .coverage__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .track-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.55fr);
  }

  .page-contact .process__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-contact .prepare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coverage__panel {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .compliance__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) minmax(0, 1fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .track-card,
  .page-contact .compliance__link,
  .page-contact .channel-card__copy {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .track-card:hover,
  .page-contact .compliance__link:hover {
    transform: none;
  }
}