.page-contact {
  --contact-rule: rgba(11, 42, 34, 0.14);
  --contact-rule-dark: rgba(248, 251, 249, 0.16);
  --contact-ink-soft: #3a4841;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact .section {
  padding: clamp(34px, 6vw, 64px) 0;
}

.page-contact .breadcrumbs {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(22px, 4.5vw, 40px) 0 clamp(30px, 5vw, 54px);
  border-bottom: 1px solid var(--contact-rule);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -30px;
  right: -70px;
  width: min(52vw, 440px);
  height: 180%;
  background:
    repeating-linear-gradient(116deg, transparent 0 24px, rgba(11, 42, 34, 0.055) 24px 25px),
    linear-gradient(200deg, rgba(233, 79, 46, 0.09), transparent 62%);
  pointer-events: none;
}

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

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  max-width: 20em;
  font-size: clamp(1.95rem, 5.6vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--forest);
}

.page-contact .contact-hero .lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: #2c3a34;
}

.page-contact .contact-hero__keys {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-hero__keys li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .contact-hero__keys span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: #62716a;
}

.page-contact .contact-hero__keys strong {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--forest);
}

@media (min-width: 720px) {
  .page-contact .contact-hero__keys {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .contact-hero__keys li {
    padding: 2px 0 2px clamp(12px, 2vw, 24px);
    border-top: 0;
    border-left: 1px solid var(--contact-rule);
  }
  .page-contact .contact-hero__keys li:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- 联络台分屏 ---------- */
.page-contact .desk__inner {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

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

.page-contact .desk-rail {
  background: var(--forest);
  color: var(--cold);
  padding: clamp(20px, 3vw, 32px) clamp(20px, 3vw, 32px) clamp(38px, 4.5vw, 56px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.page-contact .desk-rail__media {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--contact-rule-dark);
  background: var(--forest-deep);
}

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

.page-contact .desk-rail__title {
  margin: 0 0 8px;
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  letter-spacing: -0.01em;
  color: var(--cold);
}

.page-contact .desk-rail__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: #cbd8d2;
}

.page-contact .chan-list {
  margin: clamp(14px, 2vw, 20px) 0 0;
  display: grid;
  gap: 0;
}

.page-contact .chan {
  padding: 14px 0;
  border-top: 1px solid var(--contact-rule-dark);
}

.page-contact .chan dt {
  margin: 0 0 6px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-contact .chan dd {
  margin: 0;
}

.page-contact .chan__mail {
  display: inline-block;
  max-width: 100%;
  font-size: 0.95rem;
  color: var(--cold);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(242, 193, 78, 0.5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .chan__mail:hover,
.page-contact .chan__mail:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

.page-contact .chan__tel {
  display: inline-block;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--signal);
}

.page-contact .chan__sub {
  margin: 6px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: #b9c8c1;
}

.page-contact .rail-icp {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--contact-rule-dark);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-contact .desk-main__title {
  margin: 6px 0 0;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--forest);
}

.page-contact .desk-main__note {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--contact-ink-soft);
}

.page-contact .mail-types {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  display: grid;
  gap: 10px;
}

.page-contact .mail-type {
  position: relative;
  background: var(--cold);
  border: 1px solid var(--contact-rule);
  border-left: 3px solid var(--mist);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .mail-type[open] {
  background: #ffffff;
  border-left-color: var(--ember);
}

.page-contact .mail-type__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  padding: 14px clamp(14px, 2vw, 18px);
  padding-right: 42px;
  cursor: pointer;
  list-style: none;
}

.page-contact .mail-type__head::-webkit-details-marker {
  display: none;
}

.page-contact .mail-type__num {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ember);
}

.page-contact .mail-type__head h3 {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  color: var(--forest);
}

.page-contact .mail-type__hint {
  flex: 1 1 100%;
  font-size: 0.82rem;
  line-height: 1.6;
  color: #5d6b64;
}

.page-contact .mail-type__plus {
  position: absolute;
  top: 17px;
  right: clamp(14px, 2vw, 18px);
  width: 14px;
  height: 14px;
}

.page-contact .mail-type__plus::before,
.page-contact .mail-type__plus::after {
  content: "";
  position: absolute;
  background: var(--forest);
}

.page-contact .mail-type__plus::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-contact .mail-type__plus::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
  transition: transform var(--dur) var(--ease);
}

.page-contact .mail-type[open] .mail-type__plus::after {
  transform: scaleY(0);
}

.page-contact .mail-type__body {
  padding: 0 clamp(14px, 2vw, 18px) 16px;
}

.page-contact .mail-type__body p {
  margin: 0 0 12px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--contact-ink-soft);
}

.page-contact .mail-type__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .mail-type__body li {
  position: relative;
  padding-left: 16px;
  font-size: 0.86rem;
  line-height: 1.72;
  color: #44534c;
}

.page-contact .mail-type__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 1.5px;
  background: var(--pitch);
}

/* ---------- 合作流程 ---------- */
.page-contact .coop {
  background: var(--cold);
  border-top: 1px solid var(--contact-rule);
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .coop__inner {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
}

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

.page-contact .coop__body h2 {
  margin: 8px 0 0;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.26;
  letter-spacing: -0.02em;
  color: var(--forest);
}

.page-contact .coop__note {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--contact-ink-soft);
}

.page-contact .flow {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .flow__step {
  position: relative;
  margin-left: 6px;
  padding: 0 0 clamp(16px, 2.4vw, 22px) 28px;
  border-left: 1px solid var(--contact-rule);
}

.page-contact .flow__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: -5.5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cold);
  border: 2px solid var(--ember);
}

.page-contact .flow__step h3 {
  margin: 0 0 5px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--forest);
}

.page-contact .flow__step h3 .mono {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ember);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.78;
  color: var(--contact-ink-soft);
}

.page-contact .coop__stat {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--contact-rule);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--pitch);
}

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

.page-contact .coop__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--contact-rule);
  background: var(--paper-deep);
}

/* ---------- 地址与备案 ---------- */
.page-contact .info__head h2 {
  margin: 8px 0 0;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.26;
  letter-spacing: -0.02em;
  color: var(--forest);
}

.page-contact .info__note {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--contact-ink-soft);
}

.page-contact .info-grid {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .info-row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--contact-rule);
}

@media (min-width: 700px) {
  .page-contact .info-row {
    grid-template-columns: 170px 1fr;
    gap: 18px;
    align-items: baseline;
    padding: 16px 0;
  }
}

.page-contact .info-row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: #6b7a72;
}

.page-contact .info-row dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 来信之后 ---------- */
.page-contact .trust {
  background: var(--cold);
  border-top: 1px solid var(--contact-rule);
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .trust__inner {
  display: grid;
  gap: clamp(16px, 3vw, 34px);
}

@media (min-width: 860px) {
  .page-contact .trust__inner {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }
}

.page-contact .trust__head h2 {
  margin: 8px 0 0;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--forest);
}

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

.page-contact .trust-list li {
  padding: 14px 0;
  border-top: 1px solid var(--contact-rule);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--contact-ink-soft);
}

.page-contact .trust-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .trust-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--forest);
}

.page-contact .trust__links {
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-contact .link-inline {
  font-size: 0.9rem;
  color: var(--forest);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--ember);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .link-inline:hover,
.page-contact .link-inline:focus-visible {
  color: var(--ember);
  border-color: var(--forest);
}

/* ---------- 下一步入口 ---------- */
.page-contact .next {
  background: var(--forest);
  color: var(--cold);
}

.page-contact .next .eyebrow {
  color: var(--signal);
}

.page-contact .next h2 {
  margin: 8px 0 0;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--cold);
}

.page-contact .route-list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--contact-rule-dark);
}

.page-contact .route-list li {
  border-bottom: 1px solid var(--contact-rule-dark);
}

.page-contact .route-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 2px;
  color: var(--cold);
  text-decoration: none;
}

.page-contact .route-list .rn {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-contact .route-list .rt {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: color var(--dur) var(--ease);
}

.page-contact .route-list .rd {
  flex: 1 1 100%;
  font-size: 0.85rem;
  line-height: 1.7;
  color: #c1cfc9;
}

.page-contact .route-list a:hover .rt,
.page-contact .route-list a:focus-visible .rt {
  color: var(--signal);
}

@media (min-width: 780px) {
  .page-contact .route-list a {
    align-items: center;
    padding: 18px 4px;
  }
  .page-contact .route-list .rd {
    flex: 1 1 auto;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .mail-type,
  .page-contact .chan__mail,
  .page-contact .link-inline,
  .page-contact .route-list .rt {
    transition: none;
  }
}
<<<END>>>