.page-contact {
  --contact-offset: 0px;
  --contact-ink: var(--paper);
  background: var(--bg);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 52px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 62%;
  height: 190%;
  background: linear-gradient(158deg, rgba(255, 74, 28, .12), rgba(255, 74, 28, 0) 62%);
  transform: skewY(-4deg);
  pointer-events: none;
}

.page-contact .contact-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-contact .contact-hero__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--contact-ink);
}

.page-contact .contact-hero__lead .lede {
  margin-top: 18px;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .contact-facts {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 37, 32, .92), rgba(5, 8, 10, .72));
  box-shadow: inset 0 1px 0 rgba(199, 208, 212, .06);
}

.page-contact .contact-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .contact-facts__label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  white-space: nowrap;
}

.page-contact .contact-facts__value {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--paper);
  text-align: right;
}

/* ---------- 通用标题区 ---------- */
.page-contact .contact-head {
  max-width: 62ch;
}

.page-contact .contact-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-head__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .contact-channels__grid {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.page-contact .contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(199, 208, 212, .05);
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 34px;
  height: 2px;
  background: var(--silver);
  opacity: .55;
}

.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-within {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .4);
}

.page-contact .contact-channel__index {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .contact-channel__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-channel__value {
  margin: 0;
  font-family: var(--font-data);
  font-size: 15px;
  line-height: 1.6;
  color: var(--contact-ink);
  word-break: break-all;
}

.page-contact .contact-channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .contact-copy {
  align-self: flex-start;
  min-height: 44px;
  padding: 10px 18px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--carbon);
  background: var(--flare);
  border: 1px solid var(--flare);
  cursor: pointer;
  transition: transform .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .contact-copy:hover {
  background: var(--flare-soft);
  border-color: var(--flare-soft);
  transform: translateY(-2px);
}

.page-contact .contact-copy:focus-visible {
  outline: 2px solid var(--flare);
  outline-offset: 3px;
}

.page-contact .contact-channel__fit {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--muted);
  opacity: .78;
  transition: opacity .2s var(--ease), color .2s var(--ease);
}

.page-contact .contact-channel:hover .contact-channel__fit,
.page-contact .contact-channel:focus-within .contact-channel__fit {
  opacity: 1;
  color: var(--silver);
}

/* ---------- 处理节奏 ---------- */
.page-contact .contact-rhythm {
  border-top: 1px solid var(--line);
}

.page-contact .contact-timeline {
  display: grid;
  gap: 4px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .contact-node {
  position: relative;
  padding: 30px 0 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--flare-soft);
  box-shadow: 0 0 0 4px rgba(255, 138, 92, .14);
}

.page-contact .contact-node__time {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--flare-soft);
}

.page-contact .contact-node__title {
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-node__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .contact-rhythm__note {
  margin: 26px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--line-strong);
  background: rgba(18, 37, 32, .6);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-rhythm__figure {
  margin: 34px 0 0;
}

.page-contact .contact-rhythm__figure .figure__frame {
  position: relative;
  background: linear-gradient(150deg, var(--panel), var(--carbon));
  border: 1px solid var(--line);
  overflow: hidden;
}

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

/* ---------- 更正与反馈 ---------- */
.page-contact .contact-brief {
  border-top: 1px solid var(--line);
}

.page-contact .contact-brief__grid {
  margin-top: 32px;
}

.page-contact .contact-brief__subtitle {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-contact .contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: contact-step;
}

.page-contact .contact-list li {
  position: relative;
  padding: 14px 0 14px 40px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .contact-list li::before {
  counter-increment: contact-step;
  content: counter(contact-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .contact-brief__tips {
  margin-top: 30px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: inset 0 1px 0 rgba(199, 208, 212, .05);
}

.page-contact .contact-brief__tips p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .contact-brief__tips a,
.page-contact .contact-local__text a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--flare-soft);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-brief__tips a:hover,
.page-contact .contact-local__text a:hover,
.page-contact .contact-brief__tips a:focus-visible,
.page-contact .contact-local__text a:focus-visible {
  color: var(--flare-soft);
  border-color: var(--flare);
}

/* ---------- 沟通边界 ---------- */
.page-contact .contact-outside__panel {
  position: relative;
  padding: 30px 22px 28px;
  background:
    repeating-linear-gradient(135deg, rgba(199, 208, 212, .04) 0 2px, rgba(199, 208, 212, 0) 2px 12px),
    var(--carbon);
  border: 1px solid var(--line);
}

.page-contact .contact-outside__panel h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.2vw, 30px);
  line-height: 1.24;
  color: var(--paper);
}

.page-contact .contact-outside__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .contact-outside__list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-outside__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .contact-outside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--muted);
}

.page-contact .contact-outside__foot {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 本地场景 ---------- */
.page-contact .contact-local {
  border-top: 1px solid var(--line);
  padding-bottom: 0;
}

.page-contact .contact-local__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-local__text h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.2vw, 30px);
  line-height: 1.24;
  color: var(--paper);
}

.page-contact .contact-local__text p {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .contact-local__addr {
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--paper);
}

.page-contact .contact-local__graphic {
  position: relative;
  min-height: 200px;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(18, 37, 32, .95), rgba(5, 8, 10, .9));
  overflow: hidden;
}

.page-contact .contact-local__mesh {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
}

.page-contact .contact-local__mesh circle {
  fill: var(--flare-soft);
  stroke: none;
}

.page-contact .contact-city {
  display: block;
  margin: 46px 0 0;
  position: relative;
}

.page-contact .contact-city::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 26, 22, .5), rgba(5, 8, 10, .1) 40%, rgba(11, 26, 22, .72));
  pointer-events: none;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .contact-outside__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 30px;
  }

  .page-contact .contact-outside__panel {
    padding: 36px 32px 32px;
  }

  .page-contact .contact-brief__tips {
    padding: 24px 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 48px 0 66px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: 52px;
    margin-top: 34px;
  }

  .page-contact .contact-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
    margin-top: 40px;
  }

  .page-contact .contact-node {
    padding: 34px 0 4px;
  }

  .page-contact .contact-node::before {
    top: -5px;
  }

  .page-contact .contact-rhythm__note {
    max-width: 68ch;
  }

  .page-contact .contact-local__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-local__graphic {
    min-height: 300px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .contact-channel:nth-child(2) {
    margin-top: 28px;
  }

  .page-contact .contact-channel:nth-child(3) {
    margin-top: 56px;
  }

  .page-contact .contact-rhythm__figure {
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
  }
}

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

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