.page-contact {
  --ct-space: clamp(56px, 9vw, 112px);
  --ct-gap: clamp(24px, 4vw, 56px);
  --ct-line: rgba(11, 34, 57, .06);
  --ct-line-dark: rgba(199, 208, 216, .09);
  --ct-card-bg: #FBFAF6;

  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--ct-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ct-line) 1px, transparent 1px);
  background-size: 68px 68px;
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact .contact-crumbs {
  padding-top: 22px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: var(--ct-space);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  grid-template-columns: 1fr;
}

.page-contact .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .ct-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: .02em;
  font-weight: 700;
  color: var(--abyss);
}

.page-contact .ct-hero__lede {
  max-width: 48ch;
  margin: 0 0 clamp(28px, 4vw, 44px);
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 联系卡片 */

.page-contact .ct-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-contact .ct-card {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background: var(--ct-card-bg);
  border: 1px solid var(--rule);
}

.page-contact .ct-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 14px;
  margin-bottom: 14px;
}

.page-contact .ct-card__code {
  font-size: var(--step-1);
  letter-spacing: .18em;
  color: var(--stone);
}

.page-contact .ct-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-4);
  letter-spacing: .05em;
  font-weight: 700;
  color: var(--abyss);
}

.page-contact .ct-card__desc {
  margin: 0 0 18px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-contact .ct-card__meta {
  margin: 14px 0 0;
  font-size: var(--step-1);
  letter-spacing: .12em;
  color: var(--stone);
}

.page-contact .ct-mail {
  display: block;
  margin: 0 0 14px;
  font-size: clamp(17px, 3.4vw, 22px);
  letter-spacing: .01em;
  color: var(--abyss);
  word-break: break-all;
}

.page-contact .ct-phone {
  display: block;
  margin: 0 0 14px;
  font-size: clamp(26px, 5vw, 36px);
  letter-spacing: .14em;
  color: var(--abyss);
}

.page-contact .ct-addr {
  margin: 0 0 18px;
  font-size: var(--step-2);
  line-height: 1.85;
  letter-spacing: .05em;
  color: var(--abyss);
}

/* 复制按钮反馈 */

.page-contact .copy[data-copied="true"] {
  border-color: var(--moss);
  color: var(--moss);
}

/* 图版 */

.page-contact .figure {
  position: relative;
  margin: 0;
}

.page-contact .figure__frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(150deg, var(--abyss) 0%, var(--midnight) 68%, #12314b 100%);
}

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

.page-contact .figure__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(199, 208, 216, .16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199, 208, 216, .16) 1px, transparent 1px);
  background-size: 30px 30px;
}

.page-contact .ct-card__figure {
  margin-bottom: 16px;
}

.page-contact .ct-card__figure .figure__frame {
  aspect-ratio: 4 / 3;
}

/* 折叠 */

.page-contact .fold {
  border-top: 1px solid var(--rule);
}

.page-contact .fold__button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--step-2);
  color: var(--ink);
}

.page-contact .fold__index {
  font-size: var(--step-1);
  letter-spacing: .16em;
  color: var(--stone);
}

.page-contact .fold__label {
  flex: 1;
}

.page-contact .fold__arrow {
  display: inline-block;
  font-size: 1.3em;
  line-height: 1;
  color: var(--coral);
  transition: transform 200ms ease;
}

.page-contact .fold__button[aria-expanded="true"] .fold__arrow {
  transform: rotate(90deg);
}

.page-contact .fold__panel {
  overflow: hidden;
  transition: height 200ms ease;
}

.page-contact .fold__panel-inner {
  padding-bottom: 18px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-contact .fold__panel-inner p {
  margin: 0 0 10px;
}

.page-contact .fold__panel-inner p:last-child {
  margin-bottom: 0;
}

/* ---------- 右列坐标面板 ---------- */

.page-contact .ct-locator {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ct-card-bg);
  border: 1px solid var(--rule-strong);
}

.page-contact .ct-locator::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 20px;
  height: 20px;
  border-top: 2px solid var(--aurora);
  border-left: 2px solid var(--aurora);
}

.page-contact .ct-locator__figure .figure__frame {
  aspect-ratio: 5 / 4;
}

.page-contact .ct-locator__readout {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--rule-strong);
}

.page-contact .ct-locator__label {
  margin: 0 0 12px;
  font-size: var(--step-1);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .ct-coord {
  margin: 0 0 16px;
}

.page-contact .ct-coord__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .ct-coord__row dt {
  margin: 0;
  font-size: var(--step-1);
  letter-spacing: .18em;
  color: var(--stone);
}

.page-contact .ct-coord__row dd {
  margin: 0;
  font-size: var(--step-3);
  letter-spacing: .06em;
  color: var(--abyss);
}

.page-contact .ct-locator__note {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--ink-mute);
}

/* ---------- 邮件咨询写法 ---------- */

.page-contact .ct-write {
  padding: var(--ct-space) 0;
  background: var(--paper-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-contact .ct-steps {
  counter-reset: ctstep;
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.page-contact .ct-step {
  counter-increment: ctstep;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 20px;
  padding: clamp(20px, 2.6vw, 28px) 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .ct-step::before {
  content: "0" counter(ctstep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--abyss);
  color: var(--paper-2);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .06em;
  line-height: 1;
}

.page-contact .ct-step__title {
  margin: 4px 0 6px;
  font-family: var(--font-display);
  font-size: var(--step-4);
  letter-spacing: .04em;
  font-weight: 700;
  color: var(--abyss);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.78;
  color: var(--ink-mute);
}

.page-contact .ct-write__foot {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: var(--step-2);
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .ct-write__foot a,
.page-contact .ct-submit__text a,
.page-contact .ct-closer__links a {
  color: var(--abyss);
  text-decoration: none;
  border-bottom: 1px solid var(--aurora);
  padding-bottom: 1px;
}

.page-contact .ct-write__foot a:hover,
.page-contact .ct-submit__text a:hover,
.page-contact .ct-closer__links a:hover {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* ---------- 合作区块 ---------- */

.page-contact .ct-collab {
  padding: var(--ct-space) 0;
  position: relative;
  background-color: var(--abyss);
  background-image:
    linear-gradient(to right, var(--ct-line-dark) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ct-line-dark) 1px, transparent 1px);
  background-size: 56px 56px;
  color: var(--paper);
}

.page-contact .ct-collab .section-head__code {
  color: var(--aurora);
}

.page-contact .ct-collab .section-head__title {
  color: var(--paper);
}

.page-contact .ct-collab .section-head__note {
  color: var(--silver);
}

.page-contact .ct-lanes {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 26px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .ct-lane {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px);
  background: rgba(242, 241, 236, .045);
  border: 1px solid var(--rule-dark-2);
}

.page-contact .ct-lane__code {
  margin: 0;
  font-size: var(--step-1);
  letter-spacing: .22em;
  color: var(--aurora);
}

.page-contact .ct-lane__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-4);
  letter-spacing: .05em;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-lane__text {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .ct-lane .fold {
  margin-top: auto;
  border-top-color: var(--rule-dark-2);
}

.page-contact .ct-lane .fold__button {
  color: var(--silver);
}

.page-contact .ct-lane .fold__index {
  color: var(--aurora);
}

.page-contact .ct-lane .fold__panel-inner {
  color: var(--silver);
}

.page-contact .ct-need {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-need li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: var(--step-2);
  line-height: 1.7;
}

.page-contact .ct-need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--coral);
}

.page-contact .ct-submit {
  margin-top: clamp(24px, 3vw, 36px);
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--rule-dark-2);
  border-left: 3px solid var(--coral);
  background: rgba(255, 107, 74, .07);
}

.page-contact .ct-submit__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--step-4);
  letter-spacing: .05em;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-submit__text {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .ct-submit__text a {
  color: var(--paper);
  border-bottom-color: var(--aurora);
}

/* ---------- 服务时间 ---------- */

.page-contact .ct-hours {
  padding: var(--ct-space) 0;
}

.page-contact .ct-timeline {
  position: relative;
  margin-top: clamp(28px, 4vw, 46px);
  padding: 30px 0 34px;
}

.page-contact .ct-timeline__bar {
  height: 12px;
  background: linear-gradient(
    to right,
    rgba(138, 143, 148, .22) 0%,
    rgba(138, 143, 148, .22) 37.5%,
    var(--aurora) 37.5%,
    var(--aurora) 75%,
    rgba(138, 143, 148, .22) 75%,
    rgba(138, 143, 148, .22) 100%
  );
}

.page-contact .ct-timeline__mark {
  position: absolute;
  top: 46px;
  font-size: var(--step-1);
  letter-spacing: .1em;
  color: var(--stone);
  transform: translateX(-50%);
}

.page-contact .ct-timeline__mark--a {
  left: 0;
  transform: none;
}

.page-contact .ct-timeline__mark--b {
  left: 37.5%;
  color: var(--abyss);
}

.page-contact .ct-timeline__mark--c {
  left: 75%;
  color: var(--abyss);
}

.page-contact .ct-timeline__mark--d {
  right: 0;
  left: auto;
  transform: none;
}

.page-contact .ct-timeline__legend {
  position: absolute;
  left: 37.5%;
  top: 0;
  margin: 0;
  font-size: var(--step-1);
  letter-spacing: .16em;
  color: var(--abyss);
  white-space: nowrap;
}

.page-contact .ct-hours__list {
  list-style: none;
  margin: clamp(14px, 2vw, 22px) 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.page-contact .ct-hours__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 24px;
  padding: clamp(16px, 2vw, 22px) 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .ct-hours__key {
  font-size: var(--step-1);
  letter-spacing: .18em;
  color: var(--stone);
}

.page-contact .ct-hours__val {
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 收束 ---------- */

.page-contact .ct-closer {
  padding: var(--ct-space) 0;
  background-color: var(--midnight);
  background-image:
    linear-gradient(to right, var(--ct-line-dark) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ct-line-dark) 1px, transparent 1px);
  background-size: 72px 72px;
  color: var(--paper);
}

.page-contact .ct-closer__code {
  margin: 0 0 14px;
  font-size: var(--step-1);
  letter-spacing: .22em;
  color: var(--aurora);
}

.page-contact .ct-closer__title {
  margin: 0 0 clamp(22px, 3vw, 34px);
  font-family: var(--font-display);
  font-size: clamp(26px, 4.6vw, 42px);
  letter-spacing: .04em;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-closer__rows {
  border-top: 1px solid var(--rule-dark-2);
}

.page-contact .ct-closer__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 22px;
  align-items: center;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--rule-dark);
}

.page-contact .ct-closer__label {
  font-size: var(--step-1);
  letter-spacing: .2em;
  color: var(--stone);
}

.page-contact .ct-closer__value {
  font-size: clamp(20px, 4.2vw, 36px);
  letter-spacing: .06em;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .ct-closer__value--phone {
  letter-spacing: .14em;
}

.page-contact .ct-closer__row .btn {
  justify-self: start;
}

.page-contact .ct-closer__links {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .ct-closer__links a {
  color: var(--paper);
  border-bottom-color: var(--aurora);
}

.page-contact .ct-closer__links a:hover {
  color: var(--aurora);
  border-bottom-color: var(--aurora);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .ct-hours__list li {
    grid-template-columns: 140px 1fr;
    align-items: baseline;
  }

  .page-contact .ct-closer__row {
    grid-template-columns: 110px 1fr;
  }

  .page-contact .ct-closer__row .btn {
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-lanes {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .ct-closer__row {
    grid-template-columns: 130px 1fr auto;
    gap: 18px 28px;
  }

  .page-contact .ct-closer__row .btn {
    grid-column: auto;
    justify-self: end;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: clamp(40px, 5vw, 72px);
  }

  .page-contact .ct-cards {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}