.page-contact {
  --contact-line: var(--edge);
  color: var(--bone);
  padding: clamp(24px, 4vw, 48px) 0 0;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-size: clamp(24px, 4.4vw, 36px);
  margin: 10px 0 0;
  color: var(--bone);
}

.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.6vw, 20px);
  line-height: 1.4;
  margin: 10px 0 0;
  color: var(--bone);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fog);
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-contact .breadcrumb a {
  color: var(--fog);
  text-decoration: none;
}

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

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

/* ---------- 首屏：左侧联系方式 / 右侧备忘 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-hero__main {
  min-width: 0;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.04;
  font-size: clamp(34px, 6.4vw, 62px);
  margin: 12px 0 0;
  color: var(--bone);
}

.page-contact .lede {
  margin-top: 16px;
  max-width: 34em;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .reach__list {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .reach__item {
  display: grid;
  gap: 6px;
  padding: 18px 0 16px;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .reach__k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--fog);
}

.page-contact .reach__value {
  position: relative;
  display: inline-block;
  justify-self: start;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.4vw, 26px);
  line-height: 1.3;
  color: var(--bone);
  cursor: pointer;
  word-break: break-word;
  transition: color 240ms var(--ease);
}

.page-contact .reach__value--text {
  font-family: var(--font-body);
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.6;
  cursor: default;
}

.page-contact .reach__value::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 380ms var(--ease);
}

.page-contact .reach__value[data-copy]:hover::after,
.page-contact .reach__value[data-copy]:focus-visible::after {
  transform: scaleX(1);
}

.page-contact .reach__value[data-copy]:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 5px;
}

.page-contact .reach__value[data-copied="true"] {
  color: var(--gold-pale);
}

.page-contact .reach__hint {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-contact .reach__value[data-copied="true"] ~ .reach__hint {
  color: var(--volt);
}

.page-contact .reach__media {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .reach__media .media__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

/* 右侧备忘：切角面板 */
.page-contact .brief {
  min-width: 0;
  padding: clamp(20px, 3.4vw, 32px);
  background:
    linear-gradient(158deg, rgba(23, 89, 74, 0.55), rgba(5, 22, 30, 0) 72%),
    var(--abyss-soft);
  border: 1px solid var(--felt-lift);
  clip-path: polygon(22px 0, 100% 0, 100% 100%, 0 100%, 0 22px);
}

.page-contact .brief__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0;
}

.page-contact .brief__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .brief__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone);
}

.page-contact .brief__num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .brief__foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--felt-lift);
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .brief__foot a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 226, 210, 0.4);
}

/* ---------- 渠道错层卡片 ---------- */
.page-contact .channels {
  padding: clamp(40px, 6vw, 82px) 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .channels__head {
  max-width: 30em;
}

.page-contact .channels__stack {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-contact .channels__card {
  min-width: 0;
  padding: clamp(20px, 3.2vw, 28px);
  background: var(--felt);
  border: 1px solid var(--felt-lift);
  transition:
    transform 280ms var(--ease),
    border-color 280ms var(--ease);
}

.page-contact .channels__card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--abyss);
  background: var(--gold);
  padding: 4px 10px;
}

.page-contact .channels__fit {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bone);
}

.page-contact .channels__extra {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .channels__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gold-pale);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 180, 76, 0.45);
  padding-bottom: 2px;
}

.page-contact .channels__link:hover,
.page-contact .channels__link:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--volt);
  outline: none;
}

.page-contact .channels__card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

/* ---------- 2026 专区 ---------- */
.page-contact .zone {
  padding: clamp(40px, 6vw, 84px) 0;
  background: var(--abyss-soft);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .zone__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-contact .zone__text {
  min-width: 0;
}

.page-contact .zone__text p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .zone__side {
  min-width: 0;
  display: grid;
  gap: 18px;
}

.page-contact .zone__media {
  max-width: 100%;
}

.page-contact .template {
  padding: 16px 18px 18px;
  background: var(--felt-lift);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .template__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-pale);
}

.page-contact .template__code {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 2.4vw, 15px);
  line-height: 1.75;
  color: var(--bone);
  cursor: pointer;
  word-break: break-word;
  transition: color 240ms var(--ease);
}

.page-contact .template__code:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 4px;
}

.page-contact .template__code[data-copied="true"] {
  color: var(--volt);
}

.page-contact .template__hint {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-pale);
  opacity: 0.8;
}

/* ---------- 文档纠错 ---------- */
.page-contact .fix {
  padding: clamp(40px, 6vw, 82px) 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .fix__head {
  max-width: 30em;
}

.page-contact .fix__steps {
  list-style: none;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-line);
  display: grid;
}

.page-contact .fix__step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .fix__num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-contact .fix__body h3 {
  margin: 0;
}

.page-contact .fix__body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .fix__check {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bone);
  background: rgba(14, 59, 49, 0.55);
  border-left: 3px solid var(--gold);
}

/* ---------- 回复时间 ---------- */
.page-contact .hours {
  padding: clamp(40px, 6vw, 82px) 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .hours__inner {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.page-contact .hours__clock {
  min-width: 0;
}

.page-contact .hours__big {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(32px, 7vw, 60px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-contact .hours__cap {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fog);
}

.page-contact .hours__notes {
  min-width: 0;
  display: grid;
  gap: 14px;
}

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

.page-contact .hours__notes p:first-child {
  color: var(--bone);
}

/* ---------- 站点信息 ---------- */
.page-contact .registry {
  padding: clamp(30px, 5vw, 56px) 0 clamp(40px, 6vw, 72px);
}

.page-contact .registry__grid {
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--contact-line);
  padding-top: clamp(20px, 3vw, 28px);
}

.page-contact .registry__row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .registry__k {
  letter-spacing: 0.14em;
}

.page-contact .registry__v {
  color: var(--fog);
}

.page-contact .registry__v--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--bone);
}

.page-contact .registry__v a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .registry__v a:hover,
.page-contact .registry__v a:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--volt);
}

.page-contact .registry__dot {
  margin: 0 8px;
  color: var(--contact-line);
}

/* ---------- 断点 ---------- */
@media (min-width: 860px) {
  .page-contact .channels__stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channels__card--b {
    margin-top: 28px;
  }

  .page-contact .channels__card--c {
    margin-top: 56px;
  }
}

@media (hover: hover) and (min-width: 860px) {
  .page-contact .channels__extra {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition:
      max-height 320ms var(--ease),
      opacity 320ms var(--ease),
      margin-top 320ms var(--ease);
  }

  .page-contact .channels__card:hover .channels__extra,
  .page-contact .channels__card:focus-within .channels__extra {
    max-height: 160px;
    margin-top: 12px;
    opacity: 1;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .brief {
    position: sticky;
    top: calc(var(--bar) + 24px);
  }

  .page-contact .zone__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-contact .hours__inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .page-contact .fix__step {
    grid-template-columns: 64px minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .registry__row {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channels__card,
  .page-contact .reach__value,
  .page-contact .reach__value::after,
  .page-contact .template__code {
    transition: none;
  }

  .page-contact .channels__card:hover {
    transform: none;
  }
}