.page-contact {
  --pc-gap: clamp(20px, 3vw, 32px);
  --pc-pad: clamp(22px, 3.2vw, 36px);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  margin-top: clamp(14px, 2.5vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(24px, 4vw, 52px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 14px;
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  max-width: 22ch;
}

.page-contact .contact-hero__lede {
  margin: 0 0 18px;
  max-width: 60ch;
}

.page-contact .contact-hero__note {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--charcoal);
  opacity: 0.72;
  padding-left: 14px;
  border-left: 3px solid var(--clay);
}

.page-contact .contact-hero__media {
  margin: 0;
  position: relative;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 34px));
  filter: saturate(0.9) contrast(1.05);
  background: var(--sand-2);
}

.page-contact .contact-hero__figcap {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--charcoal);
  opacity: 0.66;
}

@media (min-width: 880px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-contact .contact-hero__media {
    transform: translateY(14px);
  }
}

/* ---------- 章节色带 ---------- */
.page-contact .contact-band {
  display: flex;
  align-items: baseline;
  gap: 14px;
  border-top: 8px solid var(--clay);
  padding-top: 16px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .contact-band__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--clay);
}

.page-contact .contact-band__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--charcoal);
  opacity: 0.6;
}

/* ---------- 合作形式 ---------- */
.page-contact .contact-offer__heading {
  margin: 0 0 16px;
  max-width: 24ch;
}

.page-contact .contact-offer__intro {
  margin: 0 0 clamp(28px, 4vw, 44px);
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--charcoal);
  opacity: 0.82;
}

.page-contact .contact-offers {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .offer {
  --offer-accent: var(--clay);
  position: relative;
  padding: var(--pc-pad);
  background: var(--cream);
  color: var(--charcoal);
  clip-path: polygon(0 14px, 100% 0, 100% 100%, 0 100%);
}

.page-contact .offer--a { --offer-accent: var(--gold); }
.page-contact .offer--b { --offer-accent: var(--moss); }
.page-contact .offer--c { --offer-accent: var(--clay); }
.page-contact .offer--d { --offer-accent: var(--gold); }

.page-contact .offer--ink {
  background: var(--ink);
  color: var(--sand);
}

.page-contact .offer--sand {
  background: var(--sand-2);
  color: var(--charcoal);
}

.page-contact .offer__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-contact .offer__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--offer-accent);
}

.page-contact .offer__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 2.2vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .offer__fit {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--clay);
}

.page-contact .offer--ink .offer__fit {
  color: var(--stone);
}

.page-contact .offer--ink .offer__title {
  color: var(--sand);
}

.page-contact .offer__desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--charcoal);
}

.page-contact .offer--ink .offer__desc {
  color: rgba(232, 217, 191, 0.86);
}

.page-contact .offer__more {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(43, 42, 38, 0.18);
}

.page-contact .offer--ink .offer__more {
  border-top-color: rgba(232, 217, 191, 0.24);
}

.page-contact .offer__more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--charcoal);
}

.page-contact .offer--ink .offer__more summary {
  color: var(--sand);
}

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

.page-contact .offer__more summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
  color: var(--offer-accent);
}

.page-contact .offer__more[open] summary::after {
  content: "–";
}

.page-contact .offer__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .offer__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .offer__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--offer-accent);
}

.page-contact .offer--ink .offer__list li {
  color: rgba(232, 217, 191, 0.84);
}

.page-contact .offer__cycle {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(43, 42, 38, 0.22);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--charcoal);
  opacity: 0.78;
}

.page-contact .offer--ink .offer__cycle {
  border-top-color: rgba(232, 217, 191, 0.26);
  color: var(--stone);
  opacity: 1;
}

.page-contact .contact-offer__foot {
  margin: clamp(28px, 4vw, 44px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--charcoal);
  opacity: 0.78;
}

.page-contact .contact-offer__foot a,
.page-contact .reach-foot a,
.page-contact .faq-body a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

@media (min-width: 780px) {
  .page-contact .contact-offers {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(18px, 2.4vw, 28px);
  }
  .page-contact .offer--a { grid-column: span 7; }
  .page-contact .offer--b { grid-column: span 5; margin-top: 52px; }
  .page-contact .offer--c { grid-column: span 5; margin-top: 8px; }
  .page-contact .offer--d { grid-column: span 7; margin-top: 44px; }
}

/* ---------- 合作流程 ---------- */
.page-contact .contact-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
  margin-bottom: clamp(34px, 5vw, 56px);
}

.page-contact .contact-flow__heading {
  margin: 0 0 16px;
  max-width: 24ch;
}

.page-contact .contact-flow__lede {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--charcoal);
  opacity: 0.82;
}

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

.page-contact .contact-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
  filter: saturate(0.92) contrast(1.04);
  background: var(--ink-2);
}

@media (min-width: 900px) {
  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
}

.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .flow__step {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 2px solid var(--sand-2);
}

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

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--ink);
  border: 2px solid var(--sand);
}

.page-contact .flow__step--now::before {
  background: var(--gold);
  border-color: var(--ink);
}

.page-contact .flow__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.page-contact .flow__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .flow__step--now .flow__num {
  color: var(--clay);
}

.page-contact .flow__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--clay);
  white-space: nowrap;
}

.page-contact .flow__title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  color: var(--charcoal);
}

.page-contact .flow__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--charcoal);
  opacity: 0.84;
  max-width: 40ch;
}

@media (min-width: 780px) {
  .page-contact .flow {
    position: relative;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-top: 34px;
    border-left: 0;
  }
  .page-contact .flow::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--clay), var(--sand-2));
  }
  .page-contact .flow__step {
    padding: 0 22px 0 0;
    border-left: 0;
  }
  .page-contact .flow__step::before {
    left: 0;
    top: -39px;
  }
  .page-contact .flow__desc {
    max-width: none;
  }
}

/* ---------- 联系方式 ---------- */
.page-contact .reach-card {
  position: relative;
  background: var(--ink);
  color: var(--sand);
  padding: clamp(28px, 5vw, 60px);
  clip-path: polygon(0 0, 100% 24px, 100% 100%, 0 100%);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(232, 217, 191, 0.05) 0,
    rgba(232, 217, 191, 0.05) 1px,
    transparent 1px,
    transparent 9px
  );
}

.page-contact .reach-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .reach-heading {
  margin: 0 0 16px;
  max-width: 22ch;
  color: var(--sand);
}

.page-contact .reach-lede {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(232, 217, 191, 0.78);
}

.page-contact .reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 32px);
  margin-top: clamp(28px, 4.5vw, 46px);
  padding-top: clamp(24px, 4vw, 38px);
  border-top: 1px solid rgba(232, 217, 191, 0.2);
}

.page-contact .reach-k {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .reach-v {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 24px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .reach-v--addr {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.65;
  color: var(--sand);
  letter-spacing: 0;
}

.page-contact .reach-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(232, 217, 191, 0.68);
}

.page-contact .reach-hours {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: clamp(28px, 4vw, 42px);
  padding-top: 20px;
  border-top: 1px solid rgba(232, 217, 191, 0.2);
}

.page-contact .reach-hours__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .reach-hours__bar {
  flex: 1 1 120px;
  height: 6px;
  background: rgba(232, 217, 191, 0.16);
  position: relative;
  overflow: hidden;
}

.page-contact .reach-hours__bar span {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--gold), var(--clay));
}

.page-contact .reach-hours__val {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--sand);
}

.page-contact .reach-foot {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 217, 191, 0.72);
  max-width: 68ch;
}

.page-contact .reach-foot a {
  color: var(--gold);
  text-decoration-color: rgba(242, 160, 61, 0.5);
}

@media (min-width: 760px) {
  .page-contact .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-contact .reach-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq__heading {
  margin: 0 0 clamp(24px, 3.5vw, 36px);
  max-width: 22ch;
}

.page-contact .faq-list {
  border-top: 1px solid var(--sand-2);
}

.page-contact .faq-item {
  border-bottom: 1px solid var(--sand-2);
}

.page-contact .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.5;
  color: var(--charcoal);
  transition: color var(--dur) var(--ease);
}

.page-contact .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .faq-item summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  color: var(--clay);
  flex: none;
}

.page-contact .faq-item[open] summary::after {
  content: "－";
}

.page-contact .faq-body {
  padding: 0 0 22px;
}

.page-contact .faq-body p {
  margin: 0;
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--charcoal);
  opacity: 0.84;
}

@media (min-width: 780px) {
  .page-contact .faq-item summary {
    padding: 24px 0;
  }
  .page-contact .faq-body {
    padding: 0 0 26px 0;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .faq-item summary,
  .page-contact .offer__more summary {
    transition: none;
  }
  .page-contact .contact-hero__media {
    transform: none;
  }
}
</main>