.page-contact {
  --ct-gap: clamp(16px, 3.2vw, 28px);
  --ct-pad: clamp(40px, 7vw, 76px);
  overflow-x: clip;
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumbs {
  padding-block: clamp(14px, 3vw, 24px) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(22px, 5vw, 46px) clamp(30px, 6vw, 58px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: -12% -22% auto -22%;
  height: 460px;
  background:
    radial-gradient(58% 100% at 18% 0%, var(--red-soft), transparent 72%),
    radial-gradient(46% 100% at 84% 14%, rgba(61, 240, 208, 0.13), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero__index {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: clamp(10px, 2vw, 18px);
}

.page-contact .ct-hero__no {
  font-size: clamp(64px, 17vw, 148px);
  font-weight: 200;
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--red);
}

.page-contact .ct-hero__label {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--cyan);
  padding-bottom: 6px;
}

.page-contact .ct-hero__title {
  margin: 0 0 clamp(14px, 2.6vw, 22px);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(29px, 6.2vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--mist);
  max-width: 22ch;
  text-wrap: balance;
}

.page-contact .ct-hero__text {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.85;
  color: var(--mist-72);
}

.page-contact .ct-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hero__tags li {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  border: 1px solid var(--mist-14);
  border-radius: 999px;
  padding: 7px 15px;
  background: var(--mist-08);
  white-space: nowrap;
}

.page-contact .ct-hero__tags li:nth-child(2) {
  color: var(--cyan);
}

.page-contact .ct-hero__figure {
  margin: clamp(26px, 4.4vw, 44px) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--mist-14);
  background: var(--ink);
  box-shadow: var(--shadow-card);
}

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

.page-contact .ct-hero__figure figcaption {
  padding: 12px 18px 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist-52);
  border-top: 1px solid var(--mist-08);
}

/* ---------- 章节通用 ---------- */
.page-contact .ct-section {
  position: relative;
  padding-block: var(--ct-pad);
}

.page-contact .ct-section + .ct-section {
  border-top: 1px solid var(--mist-08);
}

.page-contact .section-no {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--red);
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--mist);
  max-width: 26ch;
  text-wrap: balance;
}

/* ---------- 01 联系方式 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  margin-top: clamp(22px, 3.6vw, 34px);
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3.2vw, 30px);
  min-height: 196px;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform 0.28s var(--ease);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: linear-gradient(90deg, var(--red), var(--gold) 58%, var(--cyan));
}

.page-contact .ct-channel--phone::before {
  background: linear-gradient(90deg, var(--gold), var(--red) 70%);
}

.page-contact .ct-channel--addr::before {
  background: linear-gradient(90deg, var(--cyan), var(--gold) 72%);
}

@media (hover: hover) {
  .page-contact .ct-channel:hover {
    transform: translateY(-4px);
  }
}

.page-contact .ct-channel__key {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--red);
}

.page-contact .ct-channel__value {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(16px, 3.6vw, 20px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .ct-channel--addr .ct-channel__value {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(15px, 3.2vw, 17px);
  line-height: 1.75;
}

.page-contact .ct-channel__desc {
  margin: auto 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .ct-channel-note {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--mist-08);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist-72);
}

/* ---------- 02 反馈格式 ---------- */
.page-contact .ct-format {
  display: grid;
  gap: clamp(22px, 3.6vw, 36px);
  margin-top: clamp(22px, 3.6vw, 34px);
}

.page-contact .ct-format__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--mist-14);
  background: var(--ink);
  align-self: start;
}

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

.page-contact .ct-format__figure figcaption {
  padding: 12px 18px 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist-52);
  border-top: 1px solid var(--mist-08);
}

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

.page-contact .ct-format__item {
  position: relative;
  padding-left: 56px;
  padding-block: clamp(14px, 2.2vw, 20px);
  border-top: 1px solid var(--mist-08);
}

.page-contact .ct-format__item:last-child {
  border-bottom: 1px solid var(--mist-08);
}

.page-contact .ct-format__no {
  position: absolute;
  left: 0;
  top: clamp(15px, 2.3vw, 21px);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .ct-format__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--mist);
}

.page-contact .ct-format__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist-72);
}

/* ---------- 03 服务响应 ---------- */
.page-contact .ct-response {
  display: grid;
  gap: clamp(16px, 2.6vw, 24px);
  margin-top: clamp(22px, 3.6vw, 34px);
}

.page-contact .ct-response__card {
  position: relative;
  padding: clamp(22px, 3.4vw, 32px);
  border: 1px solid var(--mist-14);
  border-radius: var(--radius-md);
  background: linear-gradient(158deg, var(--ink) 0%, rgba(10, 16, 36, 0.72) 100%);
  overflow: hidden;
}

.page-contact .ct-response__card::after {
  content: "";
  position: absolute;
  inset: auto -30% -70% auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 193, 78, 0.16), transparent 68%);
  pointer-events: none;
}

.page-contact .ct-response__card--phone::after {
  background: radial-gradient(circle, rgba(61, 240, 208, 0.16), transparent 68%);
}

.page-contact .ct-response__stat {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: clamp(32px, 6.6vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

.page-contact .ct-response__card--phone .ct-response__stat {
  color: var(--cyan);
}

.page-contact .ct-response__stat span {
  margin-left: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--mist-52);
}

.page-contact .ct-response__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--mist);
}

.page-contact .ct-response__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist-72);
}

.page-contact .ct-response__meta {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--mist-14);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-52);
}

/* ---------- 04 常见场景 ---------- */
.page-contact .ct-scenarios {
  margin-top: clamp(22px, 3.6vw, 34px);
  border-top: 1px solid var(--mist-14);
}

.page-contact .ct-scenario {
  border-bottom: 1px solid var(--mist-14);
}

.page-contact .ct-scenario__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: clamp(16px, 2.6vw, 22px);
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-scenario__summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-scenario__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-contact .ct-scenario__q {
  font-family: var(--font-display);
  font-size: clamp(15px, 2.6vw, 17px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--mist);
}

.page-contact .ct-scenario[open] .ct-scenario__q {
  color: var(--cyan);
}

.page-contact .ct-scenario__sign {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
}

.page-contact .ct-scenario__sign::before,
.page-contact .ct-scenario__sign::after {
  content: "";
  position: absolute;
  background: var(--red);
  border-radius: 2px;
}

.page-contact .ct-scenario__sign::before {
  inset: 8px 0 auto 0;
  height: 2px;
}

.page-contact .ct-scenario__sign::after {
  inset: 0 auto 0 8px;
  width: 2px;
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-contact .ct-scenario[open] .ct-scenario__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .ct-scenario__body {
  padding: 0 0 clamp(18px, 2.8vw, 24px);
  max-width: 68ch;
}

.page-contact .ct-scenario__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist-72);
}

.page-contact .ct-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 240, 208, 0.4);
  padding-bottom: 3px;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-outro {
  padding-block: clamp(44px, 7vw, 80px) 0;
}

.page-contact .ct-outro__inner {
  position: relative;
  padding: clamp(26px, 4.4vw, 44px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--mist-14);
  background:
    linear-gradient(150deg, rgba(226, 59, 59, 0.16) 0%, rgba(10, 16, 36, 0.9) 46%, rgba(18, 27, 54, 0.95) 100%);
  box-shadow: var(--shadow-float);
  overflow: hidden;
}

.page-contact .ct-outro__kicker {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-contact .ct-outro__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(21px, 4.2vw, 32px);
  line-height: 1.32;
  color: var(--mist);
  max-width: 26ch;
  text-wrap: balance;
}

.page-contact .ct-outro__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-72);
}

.page-contact .ct-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

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

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

@media (min-width: 901px) {
  .page-contact .ct-hero {
    padding-block: clamp(30px, 4vw, 56px) clamp(34px, 5vw, 62px);
  }

  .page-contact .ct-format {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-contact .ct-format__figure {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-scenario__sign::after,
  .page-contact .ct-link {
    transition: none;
  }

  .page-contact .ct-channel:hover {
    transform: none;
  }
}