.page-contact {
  --ct-pad: clamp(20px, 3.4vw, 38px);
  --ct-gap: clamp(18px, 2.6vw, 30px);
  background: var(--paper);
  color: var(--graphite);
}

/* ---------- 封面 ---------- */
.page-contact .pcover {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--ink);
  color: var(--paper);
  padding: calc(var(--head-bar) + 46px) 0 clamp(44px, 6vw, 72px);
}

.page-contact .pcover__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.page-contact .pcover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(14, 35, 64, 0.76) 0%, rgba(14, 35, 64, 0.93) 62%, var(--ink) 100%);
  pointer-events: none;
}

.page-contact .pcover__inner {
  position: relative;
  z-index: 2;
}

.page-contact .pcover .crumbs a {
  color: var(--gold-hi);
  text-decoration: none;
}

.page-contact .pcover .crumbs li {
  color: rgba(244, 238, 226, 0.68);
}

.page-contact .pcover .eyebrow {
  margin: clamp(26px, 4vw, 44px) 0 10px;
  color: var(--gold);
}

.page-contact .pcover h1 {
  margin: 0;
  max-width: 16ch;
  font-size: var(--fs-xl);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.06;
  color: var(--paper);
}

.page-contact .pcover__lede {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 54ch;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.8;
  color: rgba(244, 238, 226, 0.84);
}

.page-contact .pcover__facts {
  list-style: none;
  margin: clamp(30px, 4.4vw, 48px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(200, 162, 74, 0.42);
  display: grid;
  gap: 16px;
}

.page-contact .pcover__facts li {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-contact .pcover__facts-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .pcover__facts-v {
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

@media (min-width: 700px) {
  .page-contact .pcover__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}

/* ---------- 区块骨架 ---------- */
.page-contact .sec {
  padding: clamp(46px, 6.6vw, 86px) 0;
}

.page-contact .sec--line {
  border-top: 1px solid var(--rule);
}

.page-contact .sec__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(24px, 3.8vw, 44px);
}

.page-contact .sec__num {
  color: var(--gold);
}

.page-contact .sec__head h2 {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.18;
  color: var(--ink);
}

.page-contact .sec__head .lede {
  margin: 0;
  max-width: 60ch;
}

@media (min-width: 820px) {
  .page-contact .sec__head {
    grid-template-columns: 118px minmax(0, 1fr);
    column-gap: 28px;
    row-gap: 10px;
  }

  .page-contact .sec__num {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 6px;
  }

  .page-contact .sec__head h2,
  .page-contact .sec__head .lede {
    grid-column: 2;
  }
}

/* ---------- 01 通道 ---------- */
.page-contact .channels {
  display: grid;
  gap: var(--ct-gap);
}

@media (min-width: 920px) {
  .page-contact .channels {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

.page-contact .chan {
  position: relative;
  padding: var(--ct-pad);
  background: var(--paper-2);
  border: 1px solid var(--rule);
}

.page-contact .chan::before,
.page-contact .chan::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  pointer-events: none;
}

.page-contact .chan::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
}

.page-contact .chan::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
}

.page-contact .chan__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--vermilion);
}

.page-contact .chan__title {
  margin: 10px 0 0;
  font-size: clamp(20px, 2vw, 25px);
  font-weight: 800;
  line-height: 1.32;
  color: var(--ink);
}

.page-contact .chan__addr {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

.page-contact .chan__addr-text {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--gold);
  background: linear-gradient(180deg, var(--gold-hi) 0%, var(--gold) 100%);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 4px 0 rgba(200, 162, 74, 0.35);
}

.page-contact .chan__scope {
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .chan__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .chan__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .chan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 1px;
  background: var(--jade);
}

.page-contact .chan--tel {
  background: var(--ink-2);
  border-color: rgba(200, 162, 74, 0.34);
  color: rgba(244, 238, 226, 0.86);
}

.page-contact .chan--tel .chan__tag--tel {
  color: var(--gold-hi);
}

.page-contact .chan--tel .chan__title {
  color: var(--paper);
}

.page-contact .chan--tel .chan__addr {
  border-top-color: rgba(200, 162, 74, 0.34);
  border-bottom-color: rgba(200, 162, 74, 0.34);
}

.page-contact .chan--tel .chan__addr-text {
  color: var(--gold-hi);
}

.page-contact .chan--tel .chan__scope,
.page-contact .chan--tel .chan__list li {
  color: rgba(244, 238, 226, 0.82);
}

.page-contact .chan--tel .chan__list li::before {
  background: var(--gold);
}

.page-contact .copy-btn--dark {
  background: transparent;
  border-color: rgba(200, 162, 74, 0.7);
  color: var(--gold-hi);
}

.page-contact .copy-btn--dark:hover,
.page-contact .copy-btn--dark:focus-visible {
  box-shadow: 0 4px 0 rgba(200, 162, 74, 0.22);
}

/* ---------- 02 分流 ---------- */
.page-contact .route {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .route__row {
  display: grid;
  gap: 6px;
  padding: 18px 14px;
  border-bottom: 1px solid var(--rule);
  border-left: 3px solid transparent;
  transition: background var(--dur) var(--ease), border-left-color var(--dur) var(--ease);
}

.page-contact .route__row:hover,
.page-contact .route__row:focus-within {
  background: var(--paper-2);
  border-left-color: var(--gold);
}

.page-contact .route__type {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .route__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .route__to {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-contact .route__to a {
  color: var(--jade);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 860px) {
  .page-contact .route__row {
    grid-template-columns: 210px minmax(0, 1fr) 288px;
    align-items: baseline;
    gap: 22px;
    padding: 20px 16px;
  }

  .page-contact .route__to {
    justify-content: flex-start;
  }
}

.page-contact .route__foot {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .route__foot a {
  color: var(--jade);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 03 写信模板 ---------- */
.page-contact .letter {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 940px) {
  .page-contact .letter {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .letter__step--note {
    grid-column: 2;
  }
}

.page-contact .letter__step {
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--paper-2);
  border: 1px solid var(--rule);
}

.page-contact .letter__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .letter__t {
  margin: 8px 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--ink);
}

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

.page-contact .letter__d a {
  color: var(--jade);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .letter__samp {
  margin: 14px 0 0;
  padding: 12px 14px;
  background: var(--ink);
  color: var(--gold-hi);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  word-break: break-word;
}

.page-contact .letter__step--note {
  background: transparent;
  border-style: dashed;
  border-color: var(--vermilion);
}

.page-contact .letter__step--note .letter__no {
  color: var(--vermilion);
}

/* ---------- 04 回复安排 ---------- */
.page-contact .reply {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

@media (min-width: 880px) {
  .page-contact .reply {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }
}

.page-contact .reply__clock {
  margin: 0;
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--ink);
  padding-bottom: 18px;
  border-bottom: 3px solid var(--gold);
}

.page-contact .ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .ticks--tight {
  gap: 10px;
}

.page-contact .ticks li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.74;
}

.page-contact .ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 11px;
  height: 2px;
  background: var(--gold);
}

/* ---------- 05 地址与备案 ---------- */
.page-contact .site {
  display: grid;
  gap: var(--ct-gap);
}

@media (min-width: 920px) {
  .page-contact .site {
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
  }
}

.page-contact .site__card {
  position: relative;
  padding: var(--ct-pad);
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-contact .site__card::before,
.page-contact .site__card::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.page-contact .site__card::before {
  top: 12px;
  left: 12px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
}

.page-contact .site__card::after {
  bottom: 12px;
  right: 12px;
  border-bottom: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
}

.page-contact .site__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .site__addr {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 32px);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .site__meta {
  margin: 0;
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid rgba(200, 162, 74, 0.32);
  display: grid;
  gap: 14px;
}

@media (min-width: 540px) {
  .page-contact .site__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .site__meta dt {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .site__meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(244, 238, 226, 0.86);
  word-break: break-word;
}

.page-contact .site__fig {
  margin: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  overflow: hidden;
}

.page-contact .site__fig img {
  display: block;
  width: 100%;
  height: auto;
  flex: 1 1 auto;
  min-height: 200px;
  object-fit: cover;
}

.page-contact .site__figcap {
  padding: 12px 16px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--graphite);
}

/* ---------- 06 函件注意 ---------- */
.page-contact .mail-notes {
  display: grid;
  gap: var(--ct-gap);
}

@media (min-width: 860px) {
  .page-contact .mail-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .mail-notes__col {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--rule);
  background: var(--paper-2);
}

.page-contact .mail-notes__col--wide {
  background: transparent;
  border-color: var(--jade);
}

@media (min-width: 860px) {
  .page-contact .mail-notes__col--wide {
    grid-column: 1 / -1;
  }
}

.page-contact .mail-notes__t {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .mail-notes__col--wide .mail-notes__t {
  border-bottom-color: rgba(47, 127, 115, 0.4);
}

.page-contact .closing {
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: 22px;
  border-top: 1px solid var(--rule);
}

.page-contact .closing__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .closing__text a {
  color: var(--jade);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 焦点可见性 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
}
<<<END>>>