.page-contact {
  --ch-line: rgba(127, 164, 255, 0.22);
  --ch-panel: #10161E;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

/* ---------- 面包屑 ---------- */
.page-contact .crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: clamp(18px, 3vw, 28px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.page-contact .crumb a {
  color: var(--fog);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

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

.page-contact .crumb__sep {
  color: var(--rule);
}

/* ---------- 首屏通道区 ---------- */
.page-contact .ch-hero {
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(48px, 7vw, 96px);
  background:
    radial-gradient(115% 78% at 88% 4%, rgba(31, 91, 255, 0.24), transparent 60%),
    radial-gradient(80% 60% at 4% 96%, rgba(255, 106, 24, 0.10), transparent 64%),
    var(--ink);
}

.page-contact .ch-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.5vw, 46px);
}

.page-contact .ch-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  padding: 6px 12px;
  border: 1px solid var(--rule);
  background: rgba(200, 255, 60, 0.06);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .ch-kicker .sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
}

.page-contact .ch-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  max-width: 16ch;
}

.page-contact .ch-lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 34ch;
  font-size: clamp(15px, 2.6vw, 17px);
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .ch-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ch-hero__fig {
  margin: 0;
}

/* 两个通道 */
.page-contact .ch-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .ch-channel {
  padding: clamp(16px, 2.6vw, 24px) 0 0;
  border-top: 2px solid var(--blue);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ch-channel--phone {
  border-top-color: var(--orange);
}

.page-contact .ch-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fog);
  text-transform: uppercase;
}

.page-contact .ch-channel__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(20px, 5.2vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
  word-break: break-word;
  transition: color var(--dur) var(--ease);
}

.page-contact .ch-channel--mail:hover .ch-channel__value,
.page-contact .ch-channel--mail:focus-within .ch-channel__value {
  color: var(--lime);
}

.page-contact .ch-channel--phone:hover .ch-channel__value,
.page-contact .ch-channel--phone:focus-within .ch-channel__value {
  color: var(--orange);
}

.page-contact .ch-channel__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 14px 0 0;
}

.page-contact .ch-channel__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--blue-mist);
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .ch-channel__note {
  margin: 12px 0 0;
  max-width: 32ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog);
}

/* ---------- 什么时候找我们 ---------- */
.page-contact .ch-timing {
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--rule);
}

.page-contact .ch-timing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .ch-timing h2,
.page-contact .ch-feedback h2,
.page-contact .ch-coop h2,
.page-contact .ch-visit h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-contact .section-num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(40px, 8vw, 84px);
  line-height: 0.9;
  color: rgba(31, 91, 255, 0.42);
}

.page-contact .ch-timing__lede {
  margin: 16px 0 0;
  max-width: 34ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .ch-cases {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .ch-case {
  padding: 20px 0 22px;
  border-top: 1px solid var(--rule);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ch-case:last-child {
  border-bottom: 1px solid var(--rule);
}

.page-contact .ch-case:hover {
  border-top-color: var(--orange);
}

.page-contact .ch-case h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .ch-case p {
  margin: 8px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog);
}

/* ---------- 反馈三步 ---------- */
.page-contact .ch-feedback {
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--ink);
}

.page-contact .ch-feedback__head {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .ch-feedback__lede {
  margin: 16px 0 0;
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .ch-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .ch-steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 clamp(18px, 3vw, 30px);
  border-left: 1px solid var(--rule);
}

.page-contact .ch-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--rule);
}

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

.page-contact .ch-step::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(18px, 3vw, 30px) - 5px);
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--rule);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .ch-step:hover::before,
.page-contact .ch-step:focus-within::before {
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 106, 24, 0.16);
}

.page-contact .ch-step__no {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--blue-mist);
  transition: color var(--dur) var(--ease);
}

.page-contact .ch-step:hover .ch-step__no {
  color: var(--orange);
}

.page-contact .ch-step__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
}

.page-contact .ch-step__body p {
  margin: 8px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .ch-checklist {
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(160deg, var(--indigo), #0A1730 78%);
  border-left: 3px solid var(--lime);
}

.page-contact .ch-checklist .stack__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .ch-check {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ch-check li {
  padding: 10px 0 10px 22px;
  position: relative;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  border-bottom: 1px solid rgba(127, 164, 255, 0.18);
}

.page-contact .ch-check li:last-child {
  border-bottom: 0;
}

.page-contact .ch-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 10px;
  height: 2px;
  background: var(--lime);
}

.page-contact .ch-checklist__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--blue-mist);
}

/* ---------- 内容与合作 ---------- */
.page-contact .ch-coop {
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--rule);
}

.page-contact .ch-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .ch-coop__lede {
  margin: 16px 0 clamp(20px, 3vw, 32px);
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .ch-coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ch-coop__list li {
  display: grid;
  gap: 6px;
  padding: 16px 0 16px 0;
  border-top: 1px solid var(--rule);
  border-left: 3px solid transparent;
  transition: border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-contact .ch-coop__list li:hover,
.page-contact .ch-coop__list li:focus-within {
  border-left-color: var(--orange);
  padding-left: 16px;
  background: linear-gradient(90deg, rgba(255, 106, 24, 0.10), transparent 72%);
}

.page-contact .ch-coop__list li span {
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .ch-coop-link {
  position: relative;
  display: inline-block;
  width: fit-content;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.6vw, 20px);
  color: var(--white);
  text-decoration: none;
}

.page-contact .ch-coop-link::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: -3px;
  height: 2px;
  background: var(--lime);
  transition: left var(--dur) var(--ease), right var(--dur) var(--ease);
}

.page-contact .ch-coop-link:hover::after,
.page-contact .ch-coop-link:focus-visible::after {
  left: 0;
  right: 0;
}

.page-contact .ch-coop__fig {
  margin: 0;
}

/* ---------- 地址与当面沟通 ---------- */
.page-contact .ch-visit {
  padding: clamp(48px, 7vw, 104px) 0 clamp(56px, 8vw, 110px);
  background: var(--ink);
  border-top: 1px solid var(--rule);
}

.page-contact .ch-visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .ch-visit__addr {
  margin: 18px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--blue);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 3vw, 26px);
  line-height: 1.5;
  color: var(--white);
}

.page-contact .ch-visit__body {
  margin: 18px 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .ch-visit__quiet {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--blue-mist);
}

.page-contact .ch-visit__quiet a {
  color: var(--blue-mist);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-contact .ch-visit__quiet a:hover,
.page-contact .ch-visit__quiet a:focus-visible {
  color: var(--lime);
}

.page-contact .ch-map {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  aspect-ratio: 5 / 4;
  padding: clamp(16px, 2.6vw, 26px);
  border: 1px solid var(--rule);
  background-color: var(--ch-panel);
  background-image:
    linear-gradient(to right, var(--ch-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ch-line) 1px, transparent 1px);
  background-size: 25% 25%;
  overflow: hidden;
}

.page-contact .ch-map::after {
  content: "";
  position: absolute;
  top: -24%;
  right: -14%;
  width: 62%;
  height: 150%;
  background: linear-gradient(118deg, rgba(31, 91, 255, 0.30), rgba(255, 106, 24, 0.14));
  transform: skewX(-16deg);
  pointer-events: none;
}

.page-contact .ch-tick {
  position: relative;
  z-index: 1;
  align-self: start;
  padding-left: 10px;
  border-left: 1px solid var(--blue);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-contact .ch-tick:nth-child(2),
.page-contact .ch-tick:nth-child(4) {
  align-self: end;
}

.page-contact .ch-tick__k {
  display: block;
  color: var(--fog);
}

.page-contact .ch-tick__v {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
}

.page-contact .ch-tick__note {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0;
  color: var(--lime);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-contact .ch-tick:hover .ch-tick__note,
.page-contact .ch-tick:focus-within .ch-tick__note {
  opacity: 1;
}

/* ---------- 桌面端 ---------- */
@media (hover: hover) and (min-width: 900px) {
  .page-contact .ch-channel__hint {
    opacity: 0;
    transform: translateX(-6px);
  }

  .page-contact .ch-channel:hover .ch-channel__hint,
  .page-contact .ch-channel:focus-within .ch-channel__hint {
    opacity: 1;
    transform: none;
    color: var(--lime);
  }
}

@media (min-width: 900px) {
  .page-contact .ch-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }

  .page-contact .ch-hero__lead {
    grid-column: 1;
  }

  .page-contact .ch-hero__fig {
    grid-column: 2;
    margin-top: clamp(24px, 5vw, 76px);
  }

  .page-contact .ch-channels {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
    gap: clamp(26px, 5vw, 72px);
    margin-top: clamp(10px, 2vw, 24px);
  }

  .page-contact .ch-channel--phone {
    margin-top: clamp(22px, 5vw, 82px);
  }

  .page-contact .ch-timing__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .ch-timing__head {
    position: sticky;
    top: clamp(24px, 4vw, 56px);
  }

  .page-contact .ch-feedback__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-contact .ch-coop__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }

  .page-contact .ch-visit__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: start;
  }
}

@media (min-width: 1240px) {
  .page-contact .ch-coop__fig {
    margin-left: clamp(0px, 2vw, 40px);
  }

  .page-contact .ch-map {
    aspect-ratio: 16 / 11;
  }
}