.page-contact {
  --c-pad: clamp(22px, 4vw, 48px);
  --c-gap: clamp(26px, 4vw, 52px);
  padding-bottom: 8px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 10px 0 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-contact .breadcrumb__item {
  color: var(--muted);
  text-decoration: none;
}

.page-contact .breadcrumb__item[aria-current="page"] {
  color: var(--gold-lite);
}

.page-contact .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: var(--c-pad);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--c-gap);
  align-items: start;
}

.page-contact .contact-hero__copy .mono-label {
  display: block;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-contact .contact-hero h1 {
  font-size: clamp(29px, 5vw, 50px);
  line-height: 1.2;
  letter-spacing: -.02em;
  font-weight: 800;
  margin: 0 0 18px;
}

.page-contact .contact-hero__lede {
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(238, 243, 247, .82);
  margin: 0 0 28px;
  max-width: 54ch;
}

.page-contact .contact-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-quick__item {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-quick__item .mono-label {
  color: var(--muted);
}

.page-contact .contact-quick__value {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--gold-lite);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-quick__value--text {
  font-family: var(--font-sans);
  letter-spacing: .02em;
  color: var(--white);
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.76) brightness(.94);
}

/* ---------- 斜向分割带 ---------- */
.page-contact .slash-band {
  margin: 44px 0;
}

/* ---------- 章节标题组 ---------- */
.page-contact .contact-sec-head {
  margin-bottom: 26px;
}

.page-contact .contact-sec-head .mono-label {
  display: block;
  color: var(--gold);
  margin: 0 0 10px;
}

.page-contact .contact-sec-head h2 {
  font-size: clamp(23px, 3.3vw, 36px);
  line-height: 1.28;
  letter-spacing: -.015em;
  font-weight: 800;
  margin: 0;
}

.page-contact .contact-sec-head__lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(238, 243, 247, .72);
  max-width: 56ch;
}

/* ---------- 角色 / 需求说明 ---------- */
.page-contact .contact-roles-section {
  display: grid;
  gap: var(--c-gap);
  margin-bottom: 60px;
}

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

.page-contact .contact-roles__item {
  position: relative;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
  transition: background-color .3s var(--ease);
}

.page-contact .contact-roles__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-roles__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 8px;
}

.page-contact .contact-roles__item h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 8px;
}

.page-contact .contact-roles__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(238, 243, 247, .76);
  max-width: 62ch;
}

.page-contact .contact-brief {
  position: relative;
  padding: 28px 22px 26px;
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(29, 58, 82, .94), rgba(19, 43, 65, .94));
  overflow: hidden;
}

.page-contact .contact-brief::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(216, 169, 59, 0));
}

.page-contact .contact-brief h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 10px;
}

.page-contact .contact-brief__intro {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(238, 243, 247, .74);
}

.page-contact .contact-brief__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-brief__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(238, 243, 247, .82);
}

.page-contact .contact-brief__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-contact .contact-brief__list strong {
  color: var(--white);
  font-weight: 600;
}

.page-contact .contact-brief__note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 推进步骤 ---------- */
.page-contact .contact-steps-section {
  margin-bottom: 60px;
}

.page-contact .contact-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .contact-steps__item {
  background: var(--ink);
  padding: 26px 22px 30px;
}

.page-contact .contact-steps__step {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 500;
  line-height: 1;
  color: rgba(216, 169, 59, .52);
  font-variant-numeric: tabular-nums;
  margin-bottom: 16px;
}

.page-contact .contact-steps__item h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 10px;
}

.page-contact .contact-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(238, 243, 247, .74);
}

/* ---------- 常见提问 ---------- */
.page-contact .contact-faq-section {
  margin-bottom: 60px;
}

.page-contact .contact-faq {
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-faq__item {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-faq__q {
  display: block;
  position: relative;
  padding: 18px 48px 18px 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  transition: color .25s var(--ease);
}

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

.page-contact .contact-faq__q::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--gold);
}

.page-contact .contact-faq__item[open] .contact-faq__q {
  color: var(--gold-lite);
}

.page-contact .contact-faq__item[open] .contact-faq__q::after {
  content: "\2212";
}

.page-contact .contact-faq__a {
  padding: 0 48px 22px 0;
}

.page-contact .contact-faq__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(238, 243, 247, .76);
  max-width: 66ch;
}

/* ---------- 收尾 ---------- */
.page-contact .contact-close {
  margin-bottom: 76px;
}

.page-contact .contact-close__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .contact-close__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.74) brightness(.9);
}

.page-contact .contact-close__body {
  position: relative;
  z-index: 1;
  margin-top: 20px;
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--line-gold);
}

.page-contact .contact-close__body .mono-label {
  display: block;
  color: var(--gold);
  margin: 0 0 10px;
}

.page-contact .contact-close__body h2 {
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.3;
  letter-spacing: -.015em;
  font-weight: 800;
  margin: 0 0 14px;
}

.page-contact .contact-close__body p {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(238, 243, 247, .8);
  max-width: 60ch;
}

.page-contact .contact-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-quick__item {
    grid-template-columns: 100px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-close__body {
    margin-top: -66px;
    margin-left: clamp(24px, 5vw, 68px);
    margin-right: clamp(24px, 5vw, 68px);
  }
}

@media (min-width: 820px) {
  .page-contact .contact-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-roles-section {
    grid-template-columns: minmax(0, 1.58fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (hover: hover) {
  .page-contact .contact-roles__item:hover {
    background: linear-gradient(90deg, rgba(216, 169, 59, .08), rgba(216, 169, 59, 0) 72%);
  }

  .page-contact .contact-faq__q:hover {
    color: var(--gold-lite);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-roles__item,
  .page-contact .contact-faq__q {
    transition: none;
  }
}
</main>