.page-contact {
  --coop-block: clamp(44px, 7vw, 96px);
  --coop-gap: clamp(16px, 2.4vw, 24px);
  background: var(--paper);
  color: var(--seed-900);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding-top: clamp(14px, 3vw, 24px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--seed-600);
}

/* ---------- 首屏 ---------- */
.page-contact .coop-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 var(--coop-block);
  border-bottom: var(--rule);
  background:
    linear-gradient(to bottom, rgba(232, 239, 221, 0.72), rgba(251, 248, 241, 0) 78%),
    var(--paper);
}

.page-contact .coop-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-contact .coop-hero-main h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--seed-900);
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-contact .coop-lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--seed-600);
}

.page-contact .coop-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .coop-tabs .chip {
  border: 1px solid var(--grid);
  transition: background-color 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .coop-tabs .chip[aria-pressed="true"] {
  background: var(--kiwi-800);
  border-color: var(--kiwi-800);
  color: #ffffff;
}

.page-contact .coop-tabs-hint {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--seed-600);
}

.page-contact .coop-hero-side {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: clamp(18px, 3vw, 28px);
  background: var(--mist);
  border: var(--rule);
  border-left: 3px solid var(--kiwi-500);
}

.page-contact .coop-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  color: var(--seed-900);
}

.page-contact .coop-hero-nums {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding-top: 16px;
  border-top: var(--rule);
}

.page-contact .coop-hero-nums b {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--kiwi-800);
}

.page-contact .coop-hero-nums span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--seed-600);
}

.page-contact .coop-side-note {
  margin: 0;
  padding-top: 14px;
  border-top: var(--rule);
  font-size: 14px;
  line-height: 1.7;
  color: var(--seed-600);
}

.page-contact .coop-side-link {
  justify-self: start;
}

/* ---------- 区块标题 ---------- */
.page-contact .coop-section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .coop-section-head h2,
.page-contact .coop-flow-head h2,
.page-contact .coop-mail h2,
.page-contact .coop-contact h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3vw, 36px);
  line-height: 1.2;
  color: var(--seed-900);
}

.page-contact .coop-section-sub {
  margin: 0;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--seed-600);
}

/* ---------- 合作卡片 ---------- */
.page-contact .coop-models {
  padding: var(--coop-block) 0;
  border-bottom: var(--rule);
}

.page-contact .coop-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: var(--rule);
  overflow: hidden;
}

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

.page-contact .coop-card-grid {
  align-items: start;
}

.page-contact .coop-model {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 28px);
  min-height: 170px;
}

.page-contact .coop-model-no {
  position: absolute;
  top: clamp(14px, 2vw, 20px);
  right: clamp(14px, 2vw, 22px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--seed-600);
}

.page-contact .coop-model h3 {
  margin: 0;
  padding-right: 48px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--seed-900);
}

.page-contact .coop-model-fit {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--kiwi-800);
}

.page-contact .coop-model p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--seed-600);
}

.page-contact .coop-model p a {
  color: var(--kiwi-800);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .coop-model-meta {
  margin-top: auto !important;
  padding-top: 12px;
  border-top: var(--rule);
  font-family: var(--font-mono);
  font-size: 11.5px !important;
  letter-spacing: 0.04em;
  color: var(--seed-900) !important;
}

/* ---------- 流程 ---------- */
.page-contact .coop-flow {
  padding: var(--coop-block) 0;
  border-bottom: var(--rule);
}

.page-contact .coop-flow-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
}

.page-contact .coop-flow-head h2 {
  margin-top: 8px;
}

.page-contact .coop-flow-head .coop-section-sub {
  margin-top: 12px;
}

.page-contact .coop-flow-figure {
  margin: 0;
  border: var(--rule);
  overflow: hidden;
  background: var(--mist);
}

.page-contact .coop-steps {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .coop-step {
  position: relative;
  padding: 18px;
  background: var(--paper);
  border: var(--rule);
}

.page-contact .coop-step-no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--kiwi-800);
}

.page-contact .coop-step h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--seed-900);
}

.page-contact .coop-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--seed-600);
}

.page-contact .coop-step-mat {
  max-height: 0;
  margin-top: 0;
  padding-top: 0;
  overflow: hidden;
  opacity: 0;
  border-top: 1px dashed var(--grid);
  font-family: var(--font-mono) !important;
  font-size: 11.5px !important;
  letter-spacing: 0.03em;
  line-height: 1.75;
  color: var(--seed-900) !important;
  transition: max-height 240ms var(--ease), opacity 200ms var(--ease),
    margin-top 240ms var(--ease), padding-top 240ms var(--ease);
}

.page-contact .coop-step:hover .coop-step-mat,
.page-contact .coop-step:focus-within .coop-step-mat {
  max-height: 180px;
  margin-top: 12px;
  padding-top: 10px;
  opacity: 1;
}

@media (hover: none) {
  .page-contact .coop-step-mat {
    max-height: none;
    margin-top: 12px;
    padding-top: 10px;
    opacity: 1;
  }
}

/* ---------- 邮件建议 ---------- */
.page-contact .coop-mail {
  padding: var(--coop-block) 0;
  background: var(--seed-900);
  color: var(--paper);
}

.page-contact .coop-mail .idx {
  color: var(--kiwi-300);
}

.page-contact .coop-mail h2 {
  margin: 8px 0 clamp(22px, 3.4vw, 34px);
  color: var(--paper);
}

.page-contact .coop-mail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .coop-mail-list li {
  padding-top: 14px;
  border-top: 1px solid rgba(251, 248, 241, 0.26);
}

.page-contact .coop-mail-list .mono {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--citrus-400);
}

.page-contact .coop-mail-list h3 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .coop-mail-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(251, 248, 241, 0.78);
}

.page-contact .coop-mail-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--kiwi-300);
}

/* ---------- 联系方式 ---------- */
.page-contact .coop-contact {
  padding: var(--coop-block) 0;
  background: var(--mist);
  border-top: var(--rule);
  border-bottom: var(--rule);
}

.page-contact .coop-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .coop-contact-lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--seed-600);
}

.page-contact .coop-mailto {
  margin: 14px 0 6px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.3vw, 27px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--kiwi-800);
  border-bottom: 2px solid var(--kiwi-500);
  word-break: break-all;
}

.page-contact .coop-mailto--alt {
  margin-top: 22px;
}

.page-contact .coop-contact-note {
  margin: 6px 0 0;
  max-width: 40em;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--seed-600);
}

.page-contact .coop-contact-links {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--seed-600);
}

.page-contact .coop-contact-links a {
  color: var(--kiwi-800);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .coop-contact-side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .coop-contact-item {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 3px solid var(--kiwi-500);
}

.page-contact .coop-contact-item .idx {
  color: var(--seed-600);
}

.page-contact .coop-contact-item strong {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--seed-900);
  word-break: break-word;
}

.page-contact .coop-contact-sub {
  font-size: 13px;
  line-height: 1.65;
  color: var(--seed-600);
}

/* ---------- 常见问题 ---------- */
.page-contact .coop-faq {
  padding: var(--coop-block) 0;
}

.page-contact .coop-faq-list {
  display: grid;
  border-top: var(--rule);
}

.page-contact .coop-faq-item {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: var(--rule);
}

.page-contact .coop-faq-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--seed-900);
}

.page-contact .coop-faq-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--seed-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .coop-mail-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .coop-faq-item {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 780px) {
  .page-contact .coop-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border: var(--rule);
  }

  .page-contact .coop-step {
    border: 0;
    border-right: var(--rule);
    background: transparent;
    padding: 20px 18px;
  }

  .page-contact .coop-step:last-child {
    border-right: 0;
  }

  .page-contact .coop-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 36px;
    right: -5px;
    width: 8px;
    height: 8px;
    background: var(--paper);
    border-top: 1px solid var(--grid);
    border-right: 1px solid var(--grid);
    transform: rotate(45deg);
    z-index: 2;
  }
}

@media (min-width: 880px) {
  .page-contact .coop-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .coop-flow-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .coop-contact-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 940px) {
  .page-contact .coop-model:nth-child(1) {
    min-height: 318px;
  }

  .page-contact .coop-model:nth-child(2) {
    min-height: 288px;
  }

  .page-contact .coop-model:nth-child(3) {
    min-height: 214px;
  }

  .page-contact .coop-model:nth-child(4) {
    min-height: 240px;
  }
}
<<<PAGE_CSS_END>>>