.page-contact {
  display: block;
  background: var(--void);
  color: var(--ink);
}

.page-contact .contact-h2 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 10px 0 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: 22px 0 clamp(30px, 5vw, 52px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(820px 380px at 92% -12%, rgba(37, 214, 232, 0.15), transparent 66%),
    radial-gradient(520px 300px at -6% 108%, rgba(242, 193, 78, 0.09), transparent 72%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 26px;
  margin-top: 18px;
}

.page-contact .contact-hero__copy h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 12px 0 16px;
  max-width: 16ch;
}

.page-contact .contact-hero__copy .lede {
  color: var(--muted);
  max-width: 60ch;
  margin: 0;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 15 / 8;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__media figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
  padding: 12px 14px;
  line-height: 1.6;
}

/* ---------- 主区布局 ---------- */

.page-contact .contact-main {
  padding: clamp(32px, 5vw, 60px) 0 clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-layout {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .contact-channels {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 26px 18px 20px;
  box-shadow: var(--shadow-hard);
  transition: transform 160ms ease, border-color 160ms ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 4px;
  background: var(--cyan);
}

.page-contact .channel-card:hover {
  transform: translate(-2px, -2px);
  border-color: var(--cyan);
}

.page-contact .channel-card__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--green);
  margin: 0 0 12px;
  word-break: break-word;
}

.page-contact .channel-card:nth-child(3) .channel-card__value {
  color: var(--gold);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0;
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-hours {
  border: 1px solid var(--line);
  background: var(--void-2);
  padding: 20px 18px;
}

.page-contact .contact-hours__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-contact .contact-hours__line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--ink);
}

.page-contact .contact-hours__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-contact .contact-hours__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 右侧堆叠 ---------- */

.page-contact .contact-stack {
  display: flex;
  flex-direction: column;
  gap: 34px;
}

.page-contact .contact-block {
  border: 1px solid var(--line);
  background: var(--void-2);
  padding: 24px 18px;
}

.page-contact .contact-block__head {
  margin-bottom: 22px;
}

.page-contact .contact-block__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-block__foot a,
.page-contact .contact-faq__foot a,
.page-contact .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 214, 232, 0.4);
}

.page-contact .contact-block__foot a:hover,
.page-contact .contact-faq__foot a:hover,
.page-contact .faq-item__a a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .contact-block--partners {
  background: var(--panel);
}

/* 材料清单 */

.page-contact .material-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-contact .material-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .material-item:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .material-item__no {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-contact .material-item__name {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}

.page-contact .material-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 三步流程 */

.page-contact .step-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.page-contact .step-card {
  position: relative;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: var(--void);
  padding: 18px 16px;
}

.page-contact .step-card__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  border: 1px solid rgba(242, 193, 78, 0.45);
  padding: 3px 8px;
  margin-bottom: 12px;
}

.page-contact .step-card__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 17px;
  color: var(--ink);
}

.page-contact .step-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 合作卡片 */

.page-contact .partner-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .partner-card {
  border: 1px solid var(--line);
  background: var(--void);
  padding: 18px 16px;
  transition: transform 160ms ease, border-color 160ms ease;
}

.page-contact .partner-card:hover {
  transform: translate(-2px, -2px);
  border-color: var(--cyan);
}

.page-contact .partner-card__name {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}

.page-contact .partner-card__desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .partner-card__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--cyan);
}

/* ---------- 安徽地区 ---------- */

.page-contact .contact-region {
  padding: clamp(32px, 5vw, 58px) 0;
  background: var(--void-2);
  border-bottom: 1px solid var(--line);
}

.page-contact .region-grid {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-contact .region-copy p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 68ch;
}

.page-contact .region-media {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-contact .region-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 30 / 13;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.page-contact .region-media figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--muted);
  padding: 12px 14px;
}

.page-contact .contact-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-facts__cell {
  background: var(--void);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-facts__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .contact-facts__v {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 常见疑问 ---------- */

.page-contact .contact-faq {
  padding: clamp(32px, 5vw, 58px) 0 clamp(40px, 6vw, 72px);
}

.page-contact .contact-faq__head {
  margin-bottom: 24px;
}

.page-contact .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .faq-item {
  border: 1px solid var(--line);
  background: var(--void-2);
}

.page-contact .faq-item[open] {
  border-color: rgba(37, 214, 232, 0.55);
}

.page-contact .faq-item__q {
  cursor: pointer;
  list-style: none;
  padding: 18px 44px 18px 16px;
  position: relative;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-contact .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan);
}

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

.page-contact .faq-item__a {
  padding: 0 16px 18px;
  border-top: 1px dashed var(--line);
  margin-top: 0;
}

.page-contact .faq-item__a p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-faq__foot {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-contact .contact-hero {
    padding-top: 32px;
  }

  .page-contact .contact-block {
    padding: 28px 26px;
  }

  .page-contact .channel-card {
    padding: 28px 24px 22px;
  }

  .page-contact .contact-hours {
    padding: 24px 22px;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .step-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .contact-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
    gap: 44px;
    align-items: center;
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .contact-channels {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-contact .region-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1240px) {
  .page-contact .contact-hero__copy h1 {
    max-width: 14ch;
  }

  .page-contact .contact-block {
    padding: 32px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .partner-card {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .partner-card:hover {
    transform: none;
  }
}