.page-contact {
  --ct-line: rgba(154, 170, 182, 0.22);
  --ct-line-strong: rgba(200, 149, 47, 0.6);
  --ct-panel: rgba(20, 41, 61, 0.55);
  --ct-panel-hover: rgba(20, 41, 61, 0.92);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 60px) 0 clamp(40px, 6vw, 76px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(36, 64, 90, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 64, 90, 0.5) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .ct-hero .eyebrow {
  margin-top: clamp(20px, 3vw, 36px);
}

.page-contact .ct-hero__title {
  margin: 16px 0 0;
  font-size: clamp(38px, 7.2vw, 82px);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-contact .ct-hero__lede {
  max-width: 64ch;
  margin: 24px 0 0;
  color: var(--stone-400);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.8;
}

.page-contact .ct-clock {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-clock__item {
  padding: 20px 12px 22px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-clock__num {
  display: block;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--copper-300);
}

.page-contact .ct-clock__unit {
  margin-left: 4px;
  font-size: 0.4em;
  letter-spacing: 0;
  color: var(--stone-400);
}

.page-contact .ct-clock__label {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--stone-400);
}

@media (min-width: 760px) {
  .page-contact .ct-clock {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-clock__item {
    padding: 22px 22px 24px;
    border-left: 1px solid var(--ct-line);
  }

  .page-contact .ct-clock__item:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- 区块通用头部 ---------- */
.page-contact .ct-head {
  max-width: 66ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .ct-head .eyebrow {
  color: var(--copper-300);
}

.page-contact .ct-head .h2 {
  margin: 14px 0 0;
}

.page-contact .ct-head__text {
  margin: 18px 0 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--stone-400);
}

.page-contact .ct-head__text a,
.page-contact .ct-book__note a,
.page-contact .ct-contact__note a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-contact .ct-head__text a:hover,
.page-contact .ct-book__note a:hover,
.page-contact .ct-contact__note a:hover {
  color: var(--copper-300);
}

/* ---------- 三种通道 ---------- */
.page-contact .ct-channels__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .ct-channel {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--ct-line);
  background: var(--ct-panel);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-contact .ct-channel + .ct-channel {
  margin-top: 14px;
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within,
.page-contact .ct-channel:focus-visible {
  transform: translateY(-4px);
  border-color: var(--ct-line-strong);
  background: var(--ct-panel-hover);
}

.page-contact .ct-channel__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-contact .ct-channel__icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  color: var(--cyan-400);
}

.page-contact .ct-channel__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-contact .ct-channel__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-contact .ct-channel__meta {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--copper-300);
  word-break: break-all;
}

.page-contact .ct-channel__desc {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone-400);
}

.page-contact .ct-channel__prep {
  margin: 18px 0 0;
  padding: 16px 0 0;
  list-style: none;
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-channel__prep li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-050);
}

.page-contact .ct-channel__prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--copper-500);
}

.page-contact .ct-channels__figure {
  margin: 0;
  border: 1px solid var(--ct-line);
  background: var(--ink-700);
}

.page-contact .ct-channels__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .ct-channels__caption {
  padding: 14px 18px 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone-400);
  border-top: 1px solid var(--ct-line);
}

@media (min-width: 960px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    align-items: start;
  }

  .page-contact .ct-channels__figure {
    position: sticky;
    top: calc(var(--header-offset, 106px) + 24px);
  }
}

/* ---------- 响应时限 ---------- */
.page-contact .ct-scale__visual {
  margin: 0 0 clamp(28px, 4vw, 46px);
  border: 1px solid var(--ct-line);
  background: var(--ink-900);
}

.page-contact .ct-scale__visual img {
  display: block;
  width: 100%;
  height: auto;
}

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

.page-contact .ct-scale__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--ct-line);
  transition: background-color var(--dur) var(--ease);
}

.page-contact .ct-scale__code {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper-500);
}

.page-contact .ct-scale__name {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.page-contact .ct-scale__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone-400);
}

.page-contact .ct-scale__time {
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber-500);
}

.page-contact .ct-scale__unit {
  margin-left: 4px;
  font-size: 0.4em;
  color: var(--stone-400);
}

.page-contact .ct-scale__note {
  margin: 22px 0 0;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone-400);
}

@media (hover: hover) {
  .page-contact .ct-scale__row:hover {
    background-color: rgba(20, 41, 61, 0.7);
  }
}

@media (min-width: 760px) {
  .page-contact .ct-scale__row {
    grid-template-columns: 84px minmax(0, 1fr) auto;
    align-items: center;
    gap: 26px;
  }

  .page-contact .ct-scale__code {
    align-self: center;
  }

  .page-contact .ct-scale__time {
    text-align: right;
    white-space: nowrap;
  }
}

/* ---------- 区域合作 ---------- */
.page-contact .ct-table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-contact .ct-table__caption {
  padding: 0 0 14px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone-400);
  font-family: var(--font-mono);
}

.page-contact .ct-table th,
.page-contact .ct-table td {
  padding: 16px 20px 16px 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ct-line);
  line-height: 1.7;
}

.page-contact .ct-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--stone-400);
  white-space: nowrap;
}

.page-contact .ct-table tbody td {
  color: var(--paper-050);
}

.page-contact .ct-table tbody td:nth-child(2) {
  color: var(--stone-400);
}

.page-contact .ct-table__code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--copper-300);
  white-space: nowrap;
}

.page-contact .ct-table tbody td:last-child {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--amber-500);
  white-space: nowrap;
}

.page-contact .ct-table tbody tr {
  transition: background-color var(--dur) var(--ease);
}

@media (hover: hover) {
  .page-contact .ct-table tbody tr:hover {
    background-color: rgba(47, 199, 196, 0.07);
  }
}

.page-contact .ct-region__note {
  margin: 24px 0 0;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone-400);
}

/* ---------- 安装核验（浅底） ---------- */
.page-contact .ct-book .ct-head .h2 {
  color: var(--ink-900);
}

.page-contact .ct-book .ct-head .eyebrow {
  color: var(--cyan-600);
}

.page-contact .ct-book .ct-head__text {
  color: var(--graphite-600);
}

.page-contact .ct-book__grid {
  display: grid;
  gap: 1px;
  background: rgba(11, 27, 43, 0.16);
  border: 1px solid rgba(11, 27, 43, 0.16);
}

.page-contact .ct-book__cell {
  padding: clamp(20px, 3vw, 30px);
  background: var(--paper-050);
}

.page-contact .ct-book__num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper-500);
}

.page-contact .ct-book__cell h3 {
  margin: 12px 0 10px;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .ct-book__cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite-600);
}

.page-contact .ct-book__note {
  margin: 24px 0 0;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite-600);
}

.page-contact .ct-book__note a {
  color: var(--cyan-600);
}

@media (min-width: 800px) {
  .page-contact .ct-book__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-contact__grid {
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-contact__cell {
  padding: clamp(22px, 3vw, 30px);
  background: var(--ink-900);
}

.page-contact .ct-contact__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone-400);
}

.page-contact .ct-contact__value {
  display: block;
  margin-top: 14px;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.5;
  color: var(--paper-050);
  word-break: break-all;
}

.page-contact .ct-contact__value--addr {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  word-break: normal;
}

.page-contact .ct-contact__actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .ct-contact__note {
  margin: 24px 0 0;
  max-width: 74ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone-400);
}

@media (min-width: 880px) {
  .page-contact .ct-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 底部窄条 ---------- */
.page-contact .ct-strip {
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
  background: var(--ink-700);
}

.page-contact .ct-strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
  padding-top: 18px;
  padding-bottom: 18px;
  font-size: 14px;
  color: var(--stone-400);
}

.page-contact .ct-strip__key {
  font-size: 13.5px;
  color: var(--copper-300);
  word-break: break-all;
}

/* ---------- 焦点可见性 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact [tabindex]:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-scale__row,
  .page-contact .ct-table tbody tr {
    transition: none;
  }

  .page-contact .ct-channel:hover,
  .page-contact .ct-channel:focus-within,
  .page-contact .ct-channel:focus-visible {
    transform: none;
  }
}