.page-contact {
  --ct-gap: clamp(14px, 2vw, 24px);
  --ct-pad: clamp(20px, 3vw, 32px);
  --ct-accent: var(--ht-cyan);
  padding-bottom: clamp(48px, 8vw, 88px);
  overflow-x: clip;
  font-family: var(--ht-font);
  color: var(--ht-white);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .ht-crumbs {
  padding-top: clamp(16px, 2.5vw, 28px);
}

.page-contact .ct-section {
  padding: clamp(32px, 5vw, 64px) 0;
  border-top: 1px solid var(--ht-line);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
  padding: clamp(20px, 3vw, 40px) 0 clamp(12px, 2vw, 24px);
}

.page-contact .ct-hero__title {
  margin: 10px 0 16px;
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .ct-hero__lede {
  margin: 0 0 24px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ht-muted);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-hero__figure {
  margin: 0;
}

.page-contact .ct-hero__figure .ht-figure__media {
  overflow: hidden;
  border: 1px solid var(--ht-line);
  clip-path: var(--ht-notch);
  background: var(--ht-ink-2);
}

.page-contact .ct-hero__figure .ht-figure__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-contact .ht-figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ht-muted);
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}

/* ---------- 章节头 ---------- */
.page-contact .ct-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .ct-head__no {
  margin: 0;
  font-family: var(--ht-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ht-lime);
}

.page-contact .ct-head__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .ct-head__sub {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ht-muted);
}

/* ---------- 三条通道 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-channel {
  position: relative;
  padding: calc(var(--ct-pad) + 8px) var(--ct-pad) var(--ct-pad);
  background: var(--ht-panel);
  border: 1px solid var(--ht-line);
  clip-path: var(--ht-notch);
  transition: border-color var(--ht-ease), background-color var(--ht-ease);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: var(--ct-accent);
}

.page-contact .ct-channel--mail { --ct-accent: var(--ht-cyan); }
.page-contact .ct-channel--tel { --ct-accent: var(--ht-lime); }
.page-contact .ct-channel--visit { --ct-accent: var(--ht-orange); }

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  border-color: var(--ct-accent);
  background: var(--ht-ink-2);
}

.page-contact .ct-channel__label {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ht-muted);
}

.page-contact .ct-channel__value {
  margin: 0 0 14px;
  font-family: var(--ht-mono);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ht-white);
  word-break: break-word;
}

.page-contact .ct-channel--visit .ct-channel__value {
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .ct-channel--tel .ct-channel__value {
  font-size: 22px;
  letter-spacing: 0.02em;
}

.page-contact .ct-channel__use {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ht-muted);
}

.page-contact .ct-channel__meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--ht-line);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ht-cyan);
}

@media (min-width: 780px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 四类合作 ---------- */
.page-contact .ct-types {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-type {
  position: relative;
  padding: var(--ct-pad);
  background: var(--ht-ink-2);
  border: 1px solid var(--ht-line);
  clip-path: var(--ht-notch);
  transition: border-color var(--ht-ease), transform var(--ht-ease);
}

.page-contact .ct-type:hover,
.page-contact .ct-type:focus-within {
  border-color: var(--ht-orange);
  transform: translateY(-2px);
}

.page-contact .ct-type__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .ct-type__lede {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ht-muted);
}

.page-contact .ct-type__fold {
  border-top: 1px solid var(--ht-line);
}

.page-contact .ct-type__fold .ht-fold__head {
  padding: 12px 0 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ht-cyan);
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-type__fold .ht-fold__head::-webkit-details-marker {
  display: none;
}

.page-contact .ct-type__fold[open] .ht-fold__head {
  color: var(--ht-lime);
}

.page-contact .ct-type__dl {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 14px;
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .ct-type__dl dt {
  padding-top: 3px;
  font-family: var(--ht-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ht-orange);
  white-space: nowrap;
}

.page-contact .ct-type__dl dd {
  margin: 0;
  color: var(--ht-white);
}

@media (min-width: 760px) {
  .page-contact .ct-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 四步流程 ---------- */
.page-contact .ct-flow {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px) clamp(20px, 3.5vw, 44px);
  background: var(--ht-ink-2);
  border: 1px solid var(--ht-line);
  clip-path: var(--ht-notch);
}

.page-contact .ct-flow__bg {
  position: absolute;
  inset: 0;
}

.page-contact .ct-flow__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact .ct-flow__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 10, 17, 0.84) 0%, rgba(6, 10, 17, 0.95) 100%);
}

.page-contact .ct-steps {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  font-family: var(--ht-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ht-ink);
  background: var(--ht-lime);
  clip-path: var(--ht-notch-sm);
}

.page-contact .ct-step__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .ct-step__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ht-muted);
}

.page-contact .ct-step__time {
  margin: 0;
  font-family: var(--ht-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ht-cyan);
}

@media (min-width: 880px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .ct-steps::before {
    content: "";
    position: absolute;
    top: 21px;
    right: 3%;
    left: 3%;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--ht-line) 0 10px, transparent 10px 20px);
    z-index: -1;
  }
}

/* ---------- 材料清单 ---------- */
.page-contact .ct-checklist {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-check {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--ht-ink-2);
  border: 1px solid var(--ht-line);
  transition: border-color var(--ht-ease), background-color var(--ht-ease);
}

.page-contact .ct-check:hover {
  border-color: var(--ht-cyan);
  background: var(--ht-panel);
}

.page-contact .ct-check__box {
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--ht-cyan);
  clip-path: var(--ht-notch-sm);
}

.page-contact .ct-check__text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ht-muted);
}

.page-contact .ct-check__text strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ht-white);
}

@media (min-width: 720px) {
  .page-contact .ct-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 服务时间 ---------- */
.page-contact .ct-hours {
  overflow: hidden;
  background: var(--ht-ink-2);
  border: 1px solid var(--ht-line);
  clip-path: var(--ht-notch);
}

.page-contact .ct-hours__row {
  display: grid;
  gap: 6px;
  padding: 18px clamp(18px, 2.5vw, 28px);
  border-bottom: 1px solid var(--ht-line);
}

.page-contact .ct-hours__row:last-child {
  border-bottom: 0;
}

.page-contact .ct-hours__k {
  font-family: var(--ht-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ht-lime);
}

.page-contact .ct-hours__v {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ht-muted);
}

.page-contact .ct-hours__v a {
  color: var(--ht-white);
  text-decoration: none;
  border-bottom: 1px solid var(--ht-cyan);
}

.page-contact .ct-hours__v a:hover {
  color: var(--ht-cyan);
}

@media (min-width: 720px) {
  .page-contact .ct-hours__row {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

/* ---------- 延伸阅读 ---------- */
.page-contact .ct-next {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(22px, 3vw, 32px);
  background: var(--ht-ink-2);
  border: 1px solid var(--ht-line);
  border-left: 3px solid var(--ht-violet);
  clip-path: var(--ht-notch);
}

.page-contact .ct-next__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ht-white);
}

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

.page-contact .ct-next__list li {
  padding-left: 14px;
  border-left: 2px solid var(--ht-line);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ht-muted);
}

.page-contact .ct-next__list a {
  font-weight: 700;
  color: var(--ht-white);
  text-decoration: none;
  border-bottom: 1px solid var(--ht-cyan);
}

.page-contact .ct-next__list a:hover {
  color: var(--ht-cyan);
}

@media (min-width: 720px) {
  .page-contact .ct-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 焦点与动效 ---------- */
.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--ht-lime);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    transform: none !important;
  }
}