.page-contact {
  --ch-line: 1px solid rgba(28, 26, 23, .16);
  --ch-line-strong: 1px solid rgba(28, 26, 23, .34);
  padding-bottom: 64px;
}

.page-contact .breadcrumb {
  margin-bottom: 10px;
}

/* ---------- 页头 ---------- */
.page-contact .contact-head {
  display: grid;
  gap: 14px;
  padding: 6px 0 4px;
}

.page-contact .contact-head h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.16;
  letter-spacing: -.02em;
  font-weight: 900;
}

.page-contact .contact-head .lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 首屏图 ---------- */
.page-contact .contact-visual {
  margin: 26px 0 0;
  border: var(--ch-line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(110, 156, 88, .10) 0 2px, transparent 2px 9px),
    var(--paper-2);
}

.page-contact .contact-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 6;
  object-fit: cover;
}

/* ---------- 区块标题 ---------- */
.page-contact .contact-h2 {
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.3;
}

.page-contact .contact-sub {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 48ch;
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-paths {
  padding-top: 40px;
}

.page-contact .contact-board {
  display: grid;
  gap: 24px;
}

.page-contact .contact-board__main {
  display: grid;
  gap: 14px;
}

.page-contact .channel {
  border: var(--ch-line);
  border-left-width: 3px;
  border-left-style: solid;
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color 160ms var(--ease);
}

.page-contact .channel--panel { border-left-color: var(--summer); }
.page-contact .channel--mail { border-left-color: var(--autumn); }
.page-contact .channel--phone { border-left-color: var(--winter); }

.page-contact .channel[open] {
  border-top-color: rgba(28, 26, 23, .3);
  border-right-color: rgba(28, 26, 23, .3);
  border-bottom-color: rgba(28, 26, 23, .3);
}

.page-contact .channel__head {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "tag cue"
    "title title";
  row-gap: 8px;
  column-gap: 12px;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .channel__tag {
  grid-area: tag;
  justify-self: start;
}

.page-contact .channel__title {
  grid-area: title;
  display: block;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.45;
}

.page-contact .channel__cue {
  grid-area: cue;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--ink-2);
  transition: transform 200ms var(--ease);
}

.page-contact .channel[open] .channel__cue {
  transform: rotate(45deg);
}

.page-contact .channel__body {
  display: grid;
  gap: 12px;
  padding: 0 18px 18px;
}

.page-contact .channel__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-contact .channel__action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .ch-copy {
  border: 1px solid var(--autumn);
  border-radius: var(--radius);
  background: transparent;
  color: var(--autumn);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  padding: 6px 12px;
  cursor: pointer;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .ch-copy:hover,
.page-contact .ch-copy:focus-visible {
  background: var(--autumn);
  color: var(--paper);
}

.page-contact .ch-status {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--summer);
  min-height: 1em;
}

/* ---------- 侧栏 ---------- */
.page-contact .contact-aside {
  display: grid;
  gap: 16px;
}

.page-contact .contact-hours {
  border: var(--ch-line);
  border-radius: var(--radius);
  padding: 18px;
  background:
    repeating-linear-gradient(90deg, rgba(28, 26, 23, .05) 0 1px, transparent 1px 26px),
    var(--paper-2);
}

.page-contact .contact-hours__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.page-contact .contact-hours__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: .04em;
  line-height: 1.15;
  color: var(--ink);
}

.page-contact .contact-hours__meta {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-2);
}

.page-contact .contact-hours__meta li {
  padding-left: 12px;
  position: relative;
}

.page-contact .contact-hours__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 1px;
  background: var(--ink-2);
}

.page-contact .contact-addr {
  display: grid;
  gap: 8px;
  padding: 20px 18px;
  border-radius: var(--radius);
  background: var(--winter);
  color: var(--frost);
}

.page-contact .contact-addr__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: .72;
}

.page-contact .contact-addr__line {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: .01em;
}

.page-contact .contact-addr__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  opacity: .78;
}

/* ---------- 信息加速带 ---------- */
.page-contact .contact-speed {
  margin-top: 44px;
  padding: 28px 0;
  background: var(--paper-2);
  border-top: 1px solid var(--ink);
  border-bottom: var(--ch-line);
}

.page-contact .contact-speed__inner {
  display: grid;
  gap: 18px;
}

.page-contact .contact-speed__title {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.3;
}

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

.page-contact .contact-speed__item {
  display: grid;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--autumn-soft);
}

.page-contact .contact-speed__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-2);
}

.page-contact .contact-speed__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 反馈面板 ---------- */
.page-contact .contact-feedback {
  display: grid;
  gap: 24px;
  padding-top: 44px;
}

.page-contact .contact-feedback .media {
  margin: 0;
  border: var(--ch-line);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 10 / 7;
  background:
    repeating-linear-gradient(45deg, rgba(47, 127, 166, .10) 0 2px, transparent 2px 10px),
    var(--paper-2);
}

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

.page-contact .contact-feedback__steps {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  counter-reset: step;
}

.page-contact .contact-feedback__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  counter-increment: step;
}

.page-contact .contact-feedback__step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--autumn);
  padding-top: 5px;
}

.page-contact .contact-feedback__fallback {
  margin: 0;
  padding-top: 14px;
  border-top: var(--ch-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-contact .contact-feedback__fallback a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--winter);
  padding-bottom: 1px;
}

.page-contact .contact-feedback__fallback a:hover {
  color: var(--winter);
}

/* ---------- 尾部入口 ---------- */
.page-contact .contact-more {
  margin-top: 44px;
  padding-top: 20px;
  border-top: var(--ch-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
}

.page-contact .contact-more__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-2);
}

.page-contact .contact-more a {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--summer);
  padding-bottom: 1px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .contact-more a:hover {
  color: var(--summer);
  border-bottom-color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .channel__head {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "tag title cue";
    align-items: center;
    padding: 18px 20px;
  }

  .page-contact .channel__body {
    padding: 0 20px 20px;
  }

  .page-contact .contact-speed__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 920px) {
  .page-contact .contact-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    grid-template-areas:
      "eyebrow eyebrow"
      "title lede";
    column-gap: 44px;
    row-gap: 18px;
    align-items: start;
    padding: 10px 0 8px;
  }

  .page-contact .contact-head .eyebrow { grid-area: eyebrow; }
  .page-contact .contact-head h1 {
    grid-area: title;
    font-size: 52px;
  }
  .page-contact .contact-head .lede {
    grid-area: lede;
    padding-top: 10px;
  }

  .page-contact .contact-h2 { font-size: 28px; }

  .page-contact .contact-board {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 44px;
    align-items: start;
  }

  .page-contact .contact-speed__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    column-gap: 44px;
    align-items: start;
  }

  .page-contact .contact-speed__title {
    font-size: 24px;
  }

  .page-contact .contact-feedback {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    column-gap: 44px;
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-head h1 {
    font-size: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel__cue,
  .page-contact .ch-copy,
  .page-contact .contact-more a {
    transition: none;
  }
}