.page-contact {
  --cc-hair: 1px solid rgba(22, 26, 29, .16);
  --cc-muted: rgba(22, 26, 29, .72);
  padding-bottom: clamp(40px, 7vw, 88px);
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: clamp(16px, 3vw, 28px) 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cc-muted);
}

.page-contact .breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

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

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  padding-block: clamp(24px, 4vw, 48px) clamp(32px, 6vw, 72px);
}

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

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 11em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.6vw, 64px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-contact .contact-hero .lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--cc-muted);
}

.page-contact .contact-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .contact-hero__jump a {
  padding-bottom: 4px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--red);
  transition: color .18s var(--ease), transform .18s var(--ease);
}

.page-contact .contact-hero__jump a:hover {
  color: var(--red);
  transform: translateY(-2px);
}

.page-contact .contact-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-contact .contact-hero__figure .media-frame {
  border: var(--cc-hair);
  background: var(--navy);
  overflow: hidden;
}

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

.page-contact .contact-hero__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .06em;
  color: var(--cc-muted);
}

/* ---------- 章节骨架 ---------- */

.page-contact .section {
  border-top: 1px solid rgba(22, 26, 29, .16);
  padding-block: clamp(32px, 5.5vw, 72px);
}

.page-contact .section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-contact .section__num {
  flex: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--red);
}

.page-contact .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: -.01em;
}

.page-contact .section__intro {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cc-muted);
}

/* ---------- 01 三条通道 ---------- */

.page-contact .channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 30px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: clamp(20px, 3.2vw, 34px);
  background: var(--white);
  border: var(--cc-hair);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(22, 26, 29, .09);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 32px;
  height: 32px;
  background-color: var(--navy);
  background-image:
    linear-gradient(45deg, var(--red) 25%, transparent 25%, transparent 75%, var(--red) 75%),
    linear-gradient(45deg, var(--red) 25%, transparent 25%, transparent 75%, var(--red) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 8px;
}

.page-contact .channel-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--red);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.3;
}

.page-contact .channel-card__value {
  margin: 0;
  padding-block: 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 19px);
  line-height: 1.45;
  letter-spacing: .01em;
  word-break: break-all;
  border-top: var(--cc-hair);
  border-bottom: var(--cc-hair);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cc-muted);
}

.page-contact .channel-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cc-muted);
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 16px;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--red);
}

.page-contact .channel-card--1 {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.page-contact .channel-card--1 .channel-card__num {
  color: var(--gold);
}

.page-contact .channel-card--1 .channel-card__value {
  border-color: rgba(251, 251, 247, .3);
}

.page-contact .channel-card--1 .channel-card__desc,
.page-contact .channel-card--1 .channel-card__list {
  color: rgba(251, 251, 247, .78);
}

.page-contact .channel-card--1 .channel-card__list li::before {
  background: var(--gold);
}

.page-contact .channel-card--3 {
  box-shadow: inset 4px 0 0 var(--red);
}

.page-contact .channel-card__value--tel {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 44px);
  letter-spacing: .03em;
  line-height: 1.1;
  word-break: normal;
  border-bottom: 0;
  padding-bottom: 0;
}

/* ---------- 02 响应节奏 ---------- */

.page-contact .hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 30px;
}

.page-contact .hours__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.4vw, 40px);
  background: var(--navy);
  color: var(--white);
}

.page-contact .hours__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(251, 251, 247, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(251, 251, 247, .07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-contact .hours__panel > * {
  position: relative;
}

.page-contact .hours__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: rgba(251, 251, 247, .62);
}

.page-contact .hours__big {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 25px);
  font-weight: 700;
}

.page-contact .hours__time {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(46px, 9vw, 74px);
  line-height: .96;
  letter-spacing: .01em;
}

.page-contact .hours__time span {
  padding-inline: 6px;
  color: var(--red);
}

.page-contact .hours__note {
  margin: 20px 0 0;
  max-width: 32ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 251, 247, .74);
}

.page-contact .hours__steps {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-contact .hours__steps::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: rgba(22, 26, 29, .18);
}

.page-contact .hours__step {
  position: relative;
  min-width: 0;
}

.page-contact .hours__step::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 7px;
  width: 7px;
  height: 7px;
  background: var(--red);
}

.page-contact .hours__step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .hours__step p {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cc-muted);
}

/* ---------- 03 事项与通道 ---------- */

.page-contact .routes__list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--cc-hair);
}

.page-contact .routes__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding-block: 18px;
  border-bottom: var(--cc-hair);
}

.page-contact .routes__kind {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

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

.page-contact .routes__to {
  margin: 4px 0 0;
  justify-self: start;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--white);
  background: var(--green);
}

.page-contact .routes__to--alt {
  background: var(--red);
}

/* ---------- 04 地址 ---------- */

.page-contact .address__inner {
  display: grid;
  grid-template-columns: 1fr;
  border: var(--cc-hair);
  overflow: hidden;
  background-color: var(--white);
  background-image:
    linear-gradient(rgba(22, 26, 29, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 26, 29, .06) 1px, transparent 1px);
  background-size: 56px 56px;
}

.page-contact .address__body {
  padding: clamp(24px, 4vw, 46px);
  background: linear-gradient(180deg, rgba(251, 251, 247, .95), rgba(251, 251, 247, .87));
  min-width: 0;
}

.page-contact .address__lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cc-muted);
}

.page-contact .address__line {
  margin: 20px 0 0;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 19px);
  line-height: 1.6;
  word-break: break-all;
  background: var(--paper);
  border-left: 4px solid var(--red);
}

.page-contact .address__note {
  margin: 14px 0 0;
  max-width: 42ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--cc-muted);
}

.page-contact .address__figure {
  margin: 0;
  border-top: var(--cc-hair);
  background: var(--navy);
  min-width: 0;
}

.page-contact .address__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

/* ---------- 05 准备清单 ---------- */

.page-contact .prep__switch {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.page-contact .prep__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .prep__tab {
  display: inline-block;
  padding: 10px 16px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink);
  background: var(--white);
  border: var(--cc-hair);
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .prep__tab:hover {
  color: var(--red);
  border-color: var(--red);
}

.page-contact .prep__input:checked + .prep__tab {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}

.page-contact .prep__input:focus-visible + .prep__tab {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.page-contact .prep__panel {
  flex: 1 0 100%;
  display: none;
  margin-top: 12px;
  padding-top: 6px;
  border-top: var(--cc-hair);
}

.page-contact #prep-use:checked ~ .prep__panel--use,
.page-contact #prep-coop:checked ~ .prep__panel--coop,
.page-contact #prep-fix:checked ~ .prep__panel--fix {
  display: block;
}

.page-contact .prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding-block: 15px;
  border-bottom: var(--cc-hair);
}

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

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

.page-contact .prep__v {
  font-size: 15px;
  line-height: 1.75;
  color: var(--cc-muted);
}

/* ---------- 06 备案与入口 ---------- */

.page-contact .registry__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: var(--cc-hair);
}

.page-contact .registry__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cc-muted);
}

.page-contact .registry__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.5;
  word-break: break-all;
}

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

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-contact .routes__row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2.6fr) minmax(0, auto);
    gap: 24px;
    align-items: center;
    padding-block: 20px;
  }

  .page-contact .routes__to {
    margin: 0;
  }

  .page-contact .prep__list li {
    grid-template-columns: minmax(0, 170px) minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

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

  .page-contact .registry__links {
    grid-column: 1 / -1;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: start;
  }

  .page-contact .hours__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 42px;
  }

  .page-contact .channels__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-contact .channel-card--1 {
    grid-column: 1 / 7;
    grid-row: 1;
  }

  .page-contact .channel-card--2 {
    grid-column: 7 / 13;
    grid-row: 1;
    margin-top: 60px;
  }

  .page-contact .channel-card--3 {
    grid-column: 4 / 13;
    grid-row: 2;
    margin-top: 4px;
  }
}

@media (min-width: 980px) {
  .page-contact .address__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
  }

  .page-contact .address__figure {
    border-top: 0;
    border-left: var(--cc-hair);
  }

  .page-contact .registry__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.5fr);
    align-items: end;
    gap: 32px;
  }

  .page-contact .registry__links {
    grid-column: auto;
    justify-content: flex-end;
  }
}

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

  .page-contact .channel-card:hover,
  .page-contact .contact-hero__jump a:hover {
    transform: none;
  }
}
<<<END>>>