.page-contact {
  --pc-gap: 20px;
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 28px 0 56px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-contact .contact-hero__title {
  margin: 14px 0 16px;
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 0 0 24px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-soft);
}

/* 联系信息卡 */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px;
  border: 1px solid var(--cyan);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, var(--ink-700) 0%, var(--ink-800) 52%, var(--ink-900) 100%);
  box-shadow: 0 18px 40px -28px rgba(53, 240, 208, 0.6);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -80px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 240, 208, 0.18), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-card__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .contact-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .contact-card__list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .contact-card__row {
  display: grid;
  gap: 3px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-card__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-card__key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-contact .contact-card__val {
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-card__val--mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
}

.page-contact a.contact-card__val {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-contact a.contact-card__val:hover,
.page-contact a.contact-card__val:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact a.contact-card__val:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .contact-card__note {
  position: relative;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* 首屏右栏 */
.page-contact .contact-hero__aside {
  display: grid;
  gap: 14px;
}

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

.page-contact .contact-hero__shot img {
  display: block;
  width: 100%;
  height: 168px;
  object-fit: cover;
}

.page-contact .scene-head__title {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-contact .scene-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .scene-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-800);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-contact .scene-card::before {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  top: 0;
  height: 2px;
  border-radius: 0 0 2px 2px;
  background: var(--scene-color, var(--cyan));
}

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

.page-contact .scene-card:focus-within {
  border-color: var(--scene-color, var(--cyan));
  outline: 2px solid var(--scene-color, var(--cyan));
  outline-offset: 2px;
}

.page-contact .scene-card--data { --scene-color: var(--cyan); }
.page-contact .scene-card--coop { --scene-color: var(--amber); }
.page-contact .scene-card--feedback { --scene-color: var(--violet); }
.page-contact .scene-card--sub { --scene-color: var(--mist); }

.page-contact .scene-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.page-contact .scene-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-contact .scene-card__title {
  margin: 0;
  font-size: 16px;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .scene-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .scene-card__list li {
  display: flex;
  gap: 7px;
}

.page-contact .scene-card__list li::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--scene-color, var(--cyan));
  opacity: 0.7;
}

/* ---------- 通用小节头 ---------- */
.page-contact .section-lede {
  margin: 10px 0 30px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-soft);
}

/* ---------- 响应时效 ---------- */
.page-contact .service-band {
  padding: 52px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(12, 42, 36, 0.9) 0%, rgba(7, 28, 24, 0.9) 100%);
}

.page-contact .service-band__layout {
  display: grid;
  gap: 26px;
}

.page-contact .timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 24px;
}

.page-contact .timeline__item {
  position: relative;
  padding-left: 24px;
}

.page-contact .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: var(--ink-900);
}

.page-contact .timeline__item::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  bottom: -24px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), transparent);
}

.page-contact .timeline__item:last-child::after {
  content: none;
}

.page-contact .timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.01em;
  color: var(--amber);
}

.page-contact .timeline__label {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .timeline__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-soft);
}

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

.page-contact .service-band__figure img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
}

/* ---------- 合作方向 ---------- */
.page-contact .coop {
  padding: 56px 0 0;
}

.page-contact .coop__stat {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-contact .coop__stat li {
  display: grid;
  gap: 2px;
}

.page-contact .coop__stat b {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1.1;
  color: var(--amber);
}

.page-contact .coop__stat span {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-contact .coop__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .coop__card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-800);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-contact .coop__card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .coop__card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .coop__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-soft);
}

.page-contact .coop__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

/* ---------- 发送前检查 ---------- */
.page-contact .check {
  padding: 60px 0 0;
}

.page-contact .check__grid {
  display: grid;
  gap: 22px;
}

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

.page-contact .checklist__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-contact .checklist__box {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1.5px solid var(--cyan);
  border-radius: 4px;
  background: rgba(53, 240, 208, 0.08);
}

/* 邮件结构卡 */
.page-contact .draft {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-800);
}

.page-contact .draft__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .draft__title {
  margin: 0;
  font-size: 16px;
  color: var(--paper);
}

.page-contact .draft__rows {
  display: grid;
  gap: 12px;
}

.page-contact .draft__row {
  display: grid;
  gap: 3px;
}

.page-contact .draft__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .draft__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--text-soft);
  word-break: break-word;
}

.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-hero__shot img {
    height: 200px;
  }
}

@media (min-width: 760px) {
  .page-contact .coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 860px) {
  .page-contact .coop {
    padding-top: 64px;
  }

  .page-contact .check {
    padding-top: 72px;
  }

  .page-contact .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .timeline__item {
    padding: 30px 18px 0 0;
    border-top: 1px solid var(--line);
  }

  .page-contact .timeline__item::before {
    top: -6px;
    left: 0;
  }

  .page-contact .timeline__item::after {
    content: none;
  }

  .page-contact .timeline__time {
    font-size: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .service-band__layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }

  .page-contact .service-band__figure img {
    height: 240px;
  }

  .page-contact .check__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding-top: 36px;
    padding-bottom: 72px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 36px;
  }

  .page-contact .contact-hero__aside {
    margin-top: 46px;
  }

  .page-contact .contact-card {
    padding: 26px 24px;
  }

  .page-contact .scene-head__title {
    font-size: 16px;
  }

  .page-contact .service-band {
    padding: 64px 0;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: 48px;
  }

  .page-contact .contact-hero__shot img {
    height: 224px;
  }
}
<<<END>>>