.page-contact {
  --pc-sec: clamp(48px, 7vw, 96px);
  --pc-gap: clamp(20px, 3.2vw, 44px);
  background: var(--ink);
  color: var(--mist);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(26px, 4vw, 48px) clamp(48px, 7vw, 92px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(115% 85% at 90% 4%, rgba(255, 77, 28, 0.2), transparent 56%),
    radial-gradient(95% 80% at 2% 96%, rgba(29, 90, 74, 0.55), transparent 62%);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  align-items: start;
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(32px, 5vw, 76px);
    align-items: center;
  }
}

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

.page-contact .contact-hero h1 {
  margin: 0.35em 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-contact .contact-hero__lead {
  margin: 1.1em 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 247, 242, 0.82);
}

.page-contact .tag-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 邮箱卡 ---------- */
.page-contact .mail-block {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 38px);
}

@media (min-width: 640px) {
  .page-contact .mail-block {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .mail-card {
  min-width: 0;
  padding: clamp(16px, 2vw, 22px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(14, 51, 43, 0.9), rgba(7, 31, 26, 0.7));
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-contact .mail-card:hover {
  border-color: var(--flame);
  transform: translateY(-2px);
}

.page-contact .mail-card__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--stand);
}

.page-contact .mail-card__addr {
  margin: 0.55em 0 0;
  font-size: clamp(14px, 1.9vw, 19px);
  line-height: 1.35;
  color: var(--signal);
  overflow-wrap: anywhere;
}

/* ---------- 地图视觉 ---------- */
.page-contact .contact-hero__visual {
  position: relative;
  min-width: 0;
}

.page-contact .jiangsu-map {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(14, 51, 43, 0.45);
}

.page-contact .map-shape {
  fill: rgba(29, 90, 74, 0.5);
  stroke: var(--steel);
  stroke-width: 1.5;
  stroke-dasharray: 6 5;
}

.page-contact .map-ray {
  stroke: var(--steel);
  stroke-width: 1;
  stroke-dasharray: 3 4;
  opacity: 0.5;
}

.page-contact .map-node circle {
  fill: var(--steel);
  transition: fill 0.2s ease, r 0.2s ease;
}

.page-contact .map-node--core circle {
  fill: var(--signal);
}

.page-contact .map-node text {
  fill: rgba(244, 247, 242, 0.78);
  font-family: var(--font-body);
  font-size: 12px;
}

.page-contact .map-node:hover circle {
  fill: var(--flame);
  r: 8;
}

.page-contact .map-node--core:hover circle {
  fill: var(--flame);
  r: 10;
}

.page-contact .map-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stand);
}

/* ---------- 区块基础 ---------- */
.page-contact .contact-section {
  position: relative;
  padding-block: var(--pc-sec);
}

.page-contact .contact-h2 {
  margin: 0.4em 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.005em;
}

.page-contact .contact-p {
  margin: 1em 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 247, 242, 0.78);
}

.page-contact .inline-link {
  color: var(--steel);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .inline-link:hover {
  color: var(--flame);
}

.page-contact .contact-section--mist {
  background: var(--mist);
  color: var(--ink);
}

.page-contact .contact-section--mist .contact-p {
  color: rgba(7, 31, 26, 0.76);
}

.page-contact .contact-section--mist .eyebrow {
  color: var(--flame-deep);
}

.page-contact .contact-section--mist .inline-link {
  color: var(--pine);
}

.page-contact .contact-section--pine {
  background: var(--ink-2);
  border-block: 1px solid var(--line);
}

/* ---------- 邮件联系与回复时段 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

@media (min-width: 880px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

.page-contact .reply-line {
  margin: 0;
  padding: 0 0 0 4px;
  list-style: none;
  display: grid;
  gap: clamp(20px, 2.6vw, 32px);
  border-left: 2px solid var(--paper);
}

.page-contact .reply-line__item {
  position: relative;
  padding-left: 26px;
}

.page-contact .reply-line__item::before {
  content: "";
  position: absolute;
  left: -11px;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--flame);
}

.page-contact .reply-line__time {
  display: block;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--flame-deep);
}

.page-contact .reply-line__item p {
  margin: 0.5em 0 0;
  max-width: 54ch;
  line-height: 1.8;
  color: rgba(7, 31, 26, 0.76);
}

/* ---------- 电话回拨 ---------- */
.page-contact .callback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

@media (min-width: 880px) {
  .page-contact .callback-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

.page-contact .callback-number {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  font-size: clamp(26px, 4.6vw, 46px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--signal);
  overflow-wrap: anywhere;
}

.page-contact .callback-caption {
  margin: 0.7em 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stand);
}

.page-contact .callback-grid__detail {
  padding: clamp(16px, 2.2vw, 26px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(7, 31, 26, 0.45);
}

.page-contact .check-list {
  margin: 0.9em 0 0;
  padding-left: 1.1em;
  display: grid;
  gap: 0.7em;
  line-height: 1.75;
  color: rgba(244, 247, 242, 0.8);
}

.page-contact .check-list li::marker {
  color: var(--flame);
}

/* ---------- 服务范围 ---------- */
.page-contact .scope-head {
  max-width: 72ch;
}

.page-contact .scope-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-contact .scope-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--line);
}

.page-contact .scope-stats .stat-num {
  display: block;
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
}

.page-contact .scope-stats .stat-label {
  display: block;
  margin-top: 0.6em;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 247, 242, 0.72);
}

/* ---------- 合作与内容建议 ---------- */
.page-contact .coop-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .coop-jump a {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: var(--pill);
  border: 1px solid rgba(7, 31, 26, 0.22);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.page-contact .coop-jump a:hover,
.page-contact .coop-jump a:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 24px);
  margin-top: clamp(22px, 3vw, 32px);
}

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

.page-contact .coop-item {
  min-width: 0;
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--radius-lg);
  background: #ffffff;
  border: 1px solid rgba(7, 31, 26, 0.1);
  scroll-margin-top: 110px;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.page-contact .coop-item:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 77, 28, 0.55);
  box-shadow: 0 22px 40px -30px rgba(7, 31, 26, 0.8);
}

.page-contact .coop-item__kicker {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--flame-deep);
}

.page-contact .coop-item h3 {
  margin: 0.5em 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.3;
}

.page-contact .coop-item p {
  margin: 0.8em 0 0;
  line-height: 1.8;
  color: rgba(7, 31, 26, 0.74);
}

.page-contact .coop-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-section--plate {
  background: var(--ink);
}

.page-contact .plate {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-contact .plate {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

.page-contact .plate__list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .plate__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 560px) {
  .page-contact .plate__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-contact .plate__row dt {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--stand);
}

.page-contact .plate__row dd {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.6;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .plate__row dd.is-mail {
  color: var(--signal);
}

/* ---------- 结尾行动 ---------- */
.page-contact .contact-section--cta {
  padding-block: clamp(40px, 6vw, 72px);
  background: linear-gradient(120deg, var(--flame-deep), var(--flame));
}

.page-contact .cta-row {
  display: grid;
  gap: 22px;
  align-items: center;
}

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

.page-contact .cta-row__text {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.3;
  color: #ffffff;
}

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .mail-card,
  .page-contact .coop-item,
  .page-contact .coop-jump a,
  .page-contact .map-node circle {
    transition: none;
  }

  .page-contact .mail-card:hover,
  .page-contact .coop-item:hover {
    transform: none;
  }
}