.page-contact {
  --contact-gap: clamp(18px, 3.4vw, 32px);
  --muted: rgba(201, 209, 201, 0.72);
  --muted-dark: rgba(10, 23, 19, 0.7);
  position: relative;
  background: var(--ink-900);
  color: var(--rock);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(20px, 3.4vw, 40px) clamp(44px, 7vw, 88px);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.7);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(36, 58, 46, 0.92), rgba(10, 23, 19, 0.95) 62%),
    linear-gradient(180deg, rgba(10, 23, 19, 0.35), var(--ink-900) 94%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero__head {
  margin-top: clamp(18px, 3.6vw, 34px);
  max-width: 68ch;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--chalk);
  max-width: 18ch;
}

.page-contact .contact-hero__lede {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
  color: var(--rock);
}

/* ---------- 首屏网格 ---------- */
.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(26px, 4.4vw, 46px);
}

.page-contact .contact-anchor {
  min-width: 0;
}

.page-contact .contact-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(201, 209, 201, 0.56);
}

.page-contact .contact-phone {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 7.2vw, 58px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--chalk);
  text-decoration: none;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--lime);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

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

.page-contact .contact-anchor__note {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-mails {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3.2vw, 30px);
}

.page-contact .mail-card {
  position: relative;
  min-width: 0;
  padding: 18px 18px 20px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-contact .mail-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 3px;
  background: var(--lime);
}

.page-contact .mail-card--biz::before {
  background: var(--data);
}

.page-contact .mail-card__addr {
  display: block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(11.5px, 3.2vw, 14px);
  letter-spacing: -0.01em;
  color: var(--lime);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.page-contact .mail-card--biz .mail-card__addr {
  color: var(--data);
}

.page-contact .mail-card__addr:hover,
.page-contact .mail-card__addr:focus-visible {
  border-bottom-color: currentColor;
}

.page-contact .mail-card__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 问题类型草稿卡 ---------- */
.page-contact .draft-card {
  position: relative;
  min-width: 0;
  padding: clamp(20px, 3.2vw, 28px);
  background: linear-gradient(180deg, rgba(36, 58, 46, 0.86), rgba(17, 26, 23, 0.96));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-contact .draft-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(20px, 3.2vw, 28px);
  right: clamp(20px, 3.2vw, 28px);
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
}

.page-contact .draft-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--chalk);
}

.page-contact .draft-card__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .draft-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .draft-link {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  color: var(--rock);
  text-decoration: none;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .draft-link:hover,
.page-contact .draft-link:focus-visible {
  border-color: var(--line-lime);
  background: rgba(198, 255, 74, 0.07);
  transform: translateX(3px);
}

.page-contact .draft-link__idx {
  flex: none;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line-lime);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .draft-link__body {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-contact .draft-link__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--chalk);
}

.page-contact .draft-link__desc {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}

.page-contact .draft-card__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 通用页内元素 ---------- */
.page-contact .section-num {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .section-num--dark {
  color: var(--clay);
}

.page-contact .contact-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--chalk);
  max-width: 22ch;
}

.page-contact .contact-body {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: clamp(14.5px, 2.1vw, 16px);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .inline-link {
  color: var(--data);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.25s var(--ease);
}

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

.page-contact .inline-link--dark {
  color: var(--ink-700);
}

.page-contact .inline-link--dark:hover,
.page-contact .inline-link--dark:focus-visible {
  color: var(--clay);
}

/* ---------- 数据问题提交 ---------- */
.page-contact .contact-submit {
  padding-block: clamp(46px, 7vw, 88px);
  background: var(--ink-900);
}

.page-contact .contact-submit__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .step-list {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
}

.page-contact .step-list__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .step-list__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--signal);
}

.page-contact .step-list__title {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 600;
  color: var(--chalk);
}

.page-contact .step-list__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-submit__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-contact .contact-submit__figure .media__caption {
  margin: 0;
  padding: 12px 16px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 服务范围与响应 ---------- */
.page-contact .contact-service {
  --muted: rgba(201, 209, 201, 0.84);
  padding-block: clamp(46px, 7vw, 88px);
  background: var(--moss);
}

.page-contact .lane-list {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
}

.page-contact .lane-list__row {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-top: 1px solid rgba(201, 209, 201, 0.2);
}

.page-contact .lane-list__row:last-child {
  border-bottom: 1px solid rgba(201, 209, 201, 0.2);
}

.page-contact .lane-list__term {
  font-size: 15px;
  font-weight: 600;
  color: var(--chalk);
}

.page-contact .lane-list__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-base {
  padding-block: clamp(46px, 7vw, 88px);
  background: var(--chalk);
  color: var(--ink-900);
}

.page-contact .contact-base__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .contact-h2--dark {
  color: var(--ink-900);
}

.page-contact .contact-body--dark {
  color: var(--muted-dark);
}

.page-contact .contact-address {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--clay);
  font-style: normal;
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 2.2vw, 16px);
  line-height: 1.75;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .contact-base__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

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

.page-contact .info-list__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(10, 23, 19, 0.14);
  font-size: 14px;
  line-height: 1.6;
}

.page-contact .info-list__key {
  flex: none;
  color: var(--muted-dark);
}

.page-contact .info-list__val {
  font-family: var(--font-mono);
  color: var(--ink-900);
  text-align: right;
  overflow-wrap: anywhere;
}

.page-contact .contact-base__links {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted-dark);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .contact-mails {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .lane-list__row {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.6fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .contact-submit__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .contact-base__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-submit__figure {
    margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-phone,
  .page-contact .mail-card__addr,
  .page-contact .draft-link,
  .page-contact .inline-link {
    transition: none;
  }

  .page-contact .draft-link:hover,
  .page-contact .draft-link:focus-visible {
    transform: none;
  }
}