/* =========================================================
   服务联络 / reach-us
   ========================================================= */
.page-contact {
  --ct-ground: var(--pod);
  --ct-soft: rgba(201, 210, 227, .12);
  --ct-hair: rgba(201, 210, 227, .22);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(36px, 6vw, 64px);
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8.4vw, 96px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--bone);
}

.page-contact .contact-hero__lead {
  margin: 26px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--rock);
}

.page-contact .contact-hero__quick li {
  position: relative;
  padding-left: 16px;
}

.page-contact .contact-hero__quick li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 2px;
  background: var(--orange);
}

.page-contact .contact-hero__media {
  margin: clamp(30px, 5vw, 54px) 0 0;
}

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

/* ---------- 联系方式 ---------- */
.page-contact .contact-channels {
  margin-top: clamp(44px, 8vw, 96px);
  padding-top: clamp(44px, 7vw, 84px);
  padding-bottom: clamp(44px, 7vw, 84px);
  border-top: var(--edge);
  border-bottom: var(--edge);
}

.page-contact .chan-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .chan {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 18px;
  padding: 20px 18px 20px 20px;
  border: var(--edge);
  background: var(--void);
  box-shadow: 4px 4px 0 rgba(3, 6, 14, .72);
}

.page-contact .chan__idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--clay);
}

.page-contact .chan__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-contact .chan__v {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 20px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--bone);
  overflow-wrap: anywhere;
}

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

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

.page-contact .chan__d {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .copy-chip {
  margin-top: 14px;
  padding: 8px 14px;
  border: 2px solid var(--line-2);
  background: transparent;
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-contact .copy-chip:hover,
.page-contact .copy-chip:focus-visible {
  border-color: var(--gold);
  color: var(--bone);
  background: rgba(232, 195, 106, .1);
}

.page-contact .copy-chip:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-contact .copy-chip[data-copied="true"] {
  border-color: var(--green);
  color: var(--green);
  background: rgba(47, 216, 180, .12);
}

.page-contact .copy-status {
  min-height: 1.5em;
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--green);
}

.page-contact .chan-figure {
  margin: 30px 0 0;
}

/* ---------- 提交步骤 ---------- */
.page-contact .contact-steps {
  padding-top: clamp(44px, 7vw, 84px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-contact .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ctstep;
  border-left: 2px solid var(--line-2);
}

.page-contact .step {
  position: relative;
  counter-increment: ctstep;
  padding: 2px 0 30px 34px;
}

.page-contact .step:last-child {
  padding-bottom: 0;
}

.page-contact .step::before {
  content: counter(ctstep, decimal-leading-zero);
  position: absolute;
  left: -18px;
  top: 0;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--void);
  border: 2px solid var(--clay);
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

.page-contact .step__h {
  margin: 5px 0 0;
  font-size: clamp(16px, 1.5vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--bone);
}

.page-contact .step__p {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .prep-card {
  margin-top: 34px;
  padding: 24px 22px;
  border: var(--edge);
  background: var(--ct-ground);
  box-shadow: 4px 4px 0 rgba(3, 6, 14, .72);
}

.page-contact .prep-card__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .prep-list {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-list label {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
  cursor: pointer;
  transition: color .2s var(--ease);
}

.page-contact .prep-list label:has(input:checked) {
  color: var(--bone);
}

.page-contact .prep-box {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 2px solid var(--line-2);
  background: var(--void);
  cursor: pointer;
}

.page-contact .prep-box:checked {
  border-color: var(--green);
  background: rgba(47, 216, 180, .14);
}

.page-contact .prep-box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(42deg);
}

.page-contact .prep-box:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-contact .prep-done {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--green);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}

.page-contact .prep-card:not(:has(input:not(:checked))) .prep-done {
  opacity: 1;
  transform: none;
}

/* ---------- 引用与合作 ---------- */
.page-contact .contact-quote {
  margin-top: clamp(44px, 8vw, 96px);
  padding-top: clamp(44px, 7vw, 84px);
  padding-bottom: clamp(44px, 7vw, 84px);
  border-top: var(--edge);
  border-bottom: var(--edge);
}

.page-contact .quote-split {
  display: grid;
  gap: 26px;
}

.page-contact .quote-split__lead {
  margin: 0;
  padding-left: 16px;
  border-left: 3px solid var(--gold);
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.7;
  color: var(--bone);
}

.page-contact .quote-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .quote-item {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .quote-item:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .quote-item__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--green);
}

.page-contact .quote-item__p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 常见场景 ---------- */
.page-contact .contact-scenes {
  padding-top: clamp(44px, 7vw, 84px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-contact .scene-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .scene-row {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .scene-row__q {
  margin: 0;
  font-size: clamp(15px, 1.4vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--bone);
}

.page-contact .scene-row__a {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .scene-row__a a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 195, 106, .45);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

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

/* ---------- 响应节奏带 ---------- */
.page-contact .rhythm {
  margin-top: clamp(44px, 8vw, 92px);
  padding: clamp(44px, 7vw, 84px) 0;
  background: var(--pod);
  border-top: var(--edge);
  border-bottom: var(--edge);
}

.page-contact .rhythm-grid {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}

.page-contact .rhythm-cell {
  padding-top: 16px;
  border-top: 3px solid var(--clay);
}

.page-contact .rhythm-cell:nth-child(2) {
  border-top-color: var(--orange);
}

.page-contact .rhythm-cell:nth-child(3) {
  border-top-color: var(--green);
}

.page-contact .rhythm-cell:nth-child(4) {
  border-top-color: var(--gold);
}

.page-contact .rhythm-cell__t {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--rock);
}

.page-contact .rhythm-cell__h {
  margin: 10px 0 0;
  font-size: clamp(16px, 1.5vw, 19px);
  font-weight: 700;
  color: var(--bone);
}

.page-contact .rhythm-cell__p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 结尾 ---------- */
.page-contact .contact-cta {
  padding-top: clamp(40px, 6vw, 72px);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .quote-item {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }
}

@media (min-width: 860px) {
  .page-contact .scene-row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .chan {
    box-shadow: var(--shadow);
  }

  .page-contact .prep-card {
    margin-top: 0;
    box-shadow: var(--shadow);
  }

  .page-contact .chan-figure {
    position: sticky;
    top: calc(var(--head-h) + 24px);
    margin: 0;
  }

  .page-contact .quote-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .rhythm-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-chip,
  .page-contact .prep-done,
  .page-contact .prep-list label,
  .page-contact .chan__v a {
    transition: none;
  }

  .page-contact .prep-done {
    transform: none;
  }
}