.page-contact {
  background: var(--paper-50);
  color: var(--indigo-900);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 7vw, 80px);
  overflow-x: hidden;
}

.page-contact .crumbs {
  padding-top: clamp(14px, 2.4vw, 22px);
  padding-bottom: clamp(10px, 1.8vw, 16px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 60px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 2px solid var(--indigo-900);
  background:
    radial-gradient(92% 78% at 90% 4%, rgba(214, 72, 90, 0.52), rgba(214, 72, 90, 0) 62%),
    linear-gradient(158deg, var(--indigo-500) 0%, var(--indigo-700) 44%, var(--indigo-900) 100%);
  color: var(--paper);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08) 0 1px,
    rgba(255, 255, 255, 0) 1px 16px
  );
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(12px, 2.2vw, 20px);
}

.page-contact .contact-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--label);
  color: var(--gold-500);
}

.page-contact .contact-hero__eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold-500);
}

.page-contact .contact-hero__title {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
}

.page-contact .contact-hero__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(6px, 1.8vw, 14px);
  padding-top: 14px;
  border-top: 2px solid rgba(201, 162, 39, 0.55);
}

.page-contact .contact-hero__stat {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.page-contact .contact-hero__stat:first-child {
  border-top: 0;
}

.page-contact .contact-hero__stat b {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 27px);
  color: var(--gold-500);
  line-height: 1.1;
}

.page-contact .contact-hero__stat span {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.72);
}

@media (min-width: 640px) {
  .page-contact .contact-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .contact-hero__stat {
    padding: 8px 18px;
    border-top: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.18);
  }
  .page-contact .contact-hero__stat:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- 区块骨架 ---------- */
.page-contact .stack-area {
  display: grid;
  gap: clamp(34px, 5vw, 62px);
  padding-top: clamp(30px, 4.6vw, 56px);
}

.page-contact .sec {
  display: block;
}

.page-contact .sec-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(16px, 2.8vw, 26px);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--indigo-900);
}

.page-contact .sec-head__index {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--label);
  color: var(--indigo-700);
}

.page-contact .sec-head__index::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--gold-500);
}

.page-contact .sec-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 4.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-contact .sec-head__sub {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite-600);
}

/* ---------- 三类合作 ---------- */
.page-contact .coop {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.4vw, 20px);
}

.page-contact .coop-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(18px, 2.8vw, 24px);
  background: var(--paper);
  border: 2px solid var(--indigo-900);
  border-radius: 2px;
  box-shadow: 6px 6px 0 var(--stone-300);
  transition: box-shadow 0.22s ease, border-color 0.22s ease;
}

.page-contact .coop-card:hover,
.page-contact .coop-card:focus-within {
  border-color: var(--red-600);
  box-shadow: 10px 10px 0 var(--red-400);
}

.page-contact .coop-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .coop-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--graphite-600);
}

.page-contact .coop-card__tag {
  padding: 4px 8px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: var(--label);
}

.page-contact .coop-card__tag--content {
  background: var(--indigo-100);
  color: var(--indigo-700);
}

.page-contact .coop-card__tag--data {
  background: var(--gold-100);
  color: var(--indigo-900);
}

.page-contact .coop-card__tag--event {
  background: var(--red-50);
  color: var(--red-600);
}

.page-contact .coop-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 22px);
  line-height: 1.32;
}

.page-contact .coop-card dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-contact .coop-card dt {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--indigo-700);
}

.page-contact .coop-card dd {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--graphite-600);
}

@media (min-width: 860px) {
  .page-contact .coop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 四步流程 ---------- */
.page-contact .flow-wrap {
  display: block;
}

.page-contact .flow {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .flow-step {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px;
  background: var(--paper);
  border: 2px solid var(--indigo-900);
  border-radius: 2px;
  box-shadow: 6px 6px 0 var(--stone-300);
}

.page-contact .flow-step__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 2px;
  background: var(--indigo-900);
  color: var(--gold-500);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  border-radius: 2px;
  box-shadow: 4px 4px 0 var(--gold-500);
}

.page-contact .flow-step__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--red-600);
}

.page-contact .flow-step__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.35;
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite-600);
}

.page-contact .flow-step__out {
  margin: 0;
  padding-top: 8px;
  border-top: 1px dashed var(--stone-300);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--indigo-700);
}

.page-contact .flow-step__more {
  padding-top: 8px;
  border-top: 1px dashed var(--stone-300);
}

.page-contact .flow-step__more summary {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--indigo-700);
}

.page-contact .flow-step__more summary::-webkit-details-marker {
  display: none;
}

.page-contact .flow-step__more summary::before {
  content: "▸";
  display: inline-block;
  color: var(--gold-500);
  transition: transform 0.2s ease;
}

.page-contact .flow-step__more[open] summary::before {
  transform: rotate(90deg);
}

.page-contact .flow-step__more ul {
  display: grid;
  gap: 4px;
  margin: 8px 0 0;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite-600);
}

.page-contact .flow-figure {
  margin: clamp(16px, 2.6vw, 22px) 0 0;
  overflow: hidden;
  background: var(--paper);
  border: 2px solid var(--indigo-900);
  border-radius: 2px;
  box-shadow: 6px 6px 0 var(--stone-300);
}

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

.page-contact .flow-figure figcaption {
  padding: 8px 12px;
  background: var(--indigo-900);
  color: var(--gold-100);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

@media (min-width: 900px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }
  .page-contact .flow::before {
    content: "";
    position: absolute;
    left: 5%;
    right: 5%;
    top: 40px;
    border-top: 2px dashed var(--gold-500);
    z-index: 0;
  }
  .page-contact .flow-step {
    position: relative;
    z-index: 1;
  }
}

/* ---------- 深色联系面板 ---------- */
.page-contact .direct {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 44px);
  background: linear-gradient(150deg, var(--indigo-700) 0%, var(--indigo-900) 74%);
  border: 2px solid var(--indigo-900);
  border-radius: 2px;
  box-shadow: 8px 8px 0 var(--gold-500);
  color: var(--paper);
}

.page-contact .direct__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  pointer-events: none;
}

.page-contact .direct__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .direct__main {
  display: grid;
  gap: 6px;
  align-content: start;
  min-width: 0;
}

.page-contact .direct__label {
  display: block;
  margin: 0 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--label);
  color: var(--gold-500);
}

.page-contact .direct__title {
  margin: 4px 0 clamp(10px, 2vw, 16px);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact .channel {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.page-contact .channel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.page-contact .channel__value {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.2vw, 26px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.page-contact .channel__value:hover,
.page-contact .channel__value:focus-visible {
  color: var(--gold-500);
}

.page-contact .channel__copy {
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-100);
  background: transparent;
  border: 2px solid rgba(244, 235, 210, 0.6);
  border-radius: 2px;
  cursor: pointer;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-contact .channel__copy:hover,
.page-contact .channel__copy:focus-visible {
  color: var(--gold-500);
  border-color: var(--gold-500);
  box-shadow: 3px 3px 0 var(--gold-500);
}

.page-contact .channel__copy[data-copied="true"] {
  color: var(--paper);
  border-color: var(--teal-600);
  background: rgba(31, 111, 99, 0.4);
  box-shadow: none;
}

.page-contact .direct__hours {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 16px;
  background: rgba(16, 30, 51, 0.45);
  border: 2px solid rgba(244, 235, 210, 0.35);
  border-radius: 2px;
}

.page-contact .direct__hours h3 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

.page-contact .direct__hours p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
}

@media (min-width: 900px) {
  .page-contact .direct__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 来访与邮寄 ---------- */
.page-contact .visit {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  padding: clamp(20px, 3.4vw, 32px);
  background: var(--paper);
  border: 2px solid var(--indigo-900);
  border-radius: 2px;
  box-shadow: 6px 6px 0 var(--stone-300);
}

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

.page-contact .visit__addr {
  margin: 6px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 20px);
  line-height: 1.6;
  color: var(--indigo-900);
  overflow-wrap: anywhere;
}

.page-contact .visit__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--graphite-600);
}

.page-contact .visit__hint {
  padding: 12px 14px;
  background: var(--gold-100);
  border-left: 4px solid var(--gold-500);
  font-size: 14px;
  line-height: 1.78;
  color: var(--indigo-900);
}

.page-contact .visit__hint strong {
  color: var(--red-600);
}

@media (min-width: 820px) {
  .page-contact .visit {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 延伸入口 ---------- */
.page-contact .next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 16px;
  background: var(--paper);
  border: 2px solid var(--indigo-900);
  border-radius: 2px;
  box-shadow: 4px 4px 0 var(--stone-300);
  color: var(--indigo-900);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-contact .next__link span {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--graphite-600);
}

.page-contact .next__link:hover,
.page-contact .next__link:focus-visible {
  border-color: var(--red-600);
  box-shadow: 6px 6px 0 var(--red-400);
}

@media (min-width: 700px) {
  .page-contact .next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .channel__value,
  .page-contact .channel__copy,
  .page-contact .flow-step__more summary::before,
  .page-contact .next__link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>