/* ===== 联系我们 / page-contact ===== */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--green);
  color: var(--paper);
  padding: clamp(36px, 6vw, 76px) 0 clamp(44px, 6vw, 84px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -30%;
  right: -18%;
  width: 92%;
  height: 165%;
  background: linear-gradient(135deg, rgba(201, 162, 39, .24), rgba(63, 169, 201, .14) 48%, rgba(8, 38, 30, 0) 76%);
  clip-path: polygon(42% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  left: 0;
  bottom: 0;
  width: min(100%, 720px);
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  align-items: start;
}

.page-contact .contact-hero .breadcrumbs {
  margin: 0 0 20px;
  font-size: 13px;
  letter-spacing: .05em;
  color: rgba(244, 241, 232, .62);
}

.page-contact .contact-hero .breadcrumbs a {
  color: var(--gold);
}

.page-contact .contact-hero .eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
}

.page-contact .contact-hero .display-1 {
  margin: 0 0 20px;
  color: var(--paper);
  line-height: 1.06;
}

.page-contact .contact-hero .lead {
  margin: 0;
  max-width: 54ch;
  color: rgba(244, 241, 232, .85);
}

.page-contact .hero-keys {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  display: grid;
  gap: 12px;
  border-top: 1px solid rgba(201, 162, 39, .3);
}

.page-contact .hero-keys__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .01em;
  color: rgba(244, 241, 232, .94);
  overflow-wrap: anywhere;
}

.page-contact .hero-keys__k {
  flex: 0 0 auto;
  min-width: 44px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .contact-hero__aside .media-frame {
  border: 1px solid rgba(201, 162, 39, .32);
  box-shadow: 0 34px 66px -42px rgba(0, 0, 0, .7);
}

/* ---- 联系途径 ---- */

.page-contact .contact-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-contact .contact-head .eyebrow {
  margin: 0 0 10px;
  color: var(--moss);
}

.page-contact .contact-head .h2 {
  margin: 0;
  color: var(--rock);
}

.page-contact .contact-head .lead {
  margin: 12px 0 0;
  color: var(--fog);
}

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

.page-contact .channel {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 6px 16px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .channel__idx {
  padding-top: 6px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--moss);
}

.page-contact .channel__title {
  margin: 0 0 8px;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--rock);
}

.page-contact .channel__text {
  margin: 0 0 12px;
  max-width: 62ch;
  color: var(--rock);
}

.page-contact .channel__value {
  margin: 0;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--green);
  overflow-wrap: anywhere;
}

/* ---- 版本号面板 ---- */

.page-contact .version-callout {
  position: relative;
  overflow: hidden;
  background: var(--green-deep);
  color: var(--paper);
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-contact .version-callout::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(169, 195, 166, .08) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(169, 195, 166, .08) 0 1px, transparent 1px 48px);
  pointer-events: none;
}

.page-contact .version-callout__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-contact .version-callout .eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
}

.page-contact .version-callout .h2 {
  margin: 0 0 16px;
  color: var(--paper);
}

.page-contact .version-callout__text p {
  margin: 0 0 12px;
  max-width: 58ch;
  color: rgba(244, 241, 232, .84);
}

.page-contact .version-callout__text p:last-child {
  margin-bottom: 0;
}

.page-contact .version-callout__panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(201, 162, 39, .34);
  border-radius: 16px;
  background: rgba(8, 38, 30, .55);
}

.page-contact .version-callout__panel .version-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-right: auto;
}

.page-contact .version-callout__panel .version-block__label {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, .66);
}

.page-contact .version-callout__panel .version-block__value {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--gold);
}

/* ---- 写信要点 ---- */

.page-contact .compose-section__inner {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-contact .compose-section .eyebrow {
  margin: 0 0 10px;
  color: var(--moss);
}

.page-contact .compose-section .h2 {
  margin: 0;
  max-width: 28ch;
  color: var(--rock);
}

.page-contact .compose-list {
  counter-reset: compose;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .compose-list > li {
  counter-increment: compose;
  position: relative;
  padding: 20px 0 20px 52px;
  border-top: 1px solid var(--line);
}

.page-contact .compose-list > li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .compose-list > li::before {
  content: "0" counter(compose);
  position: absolute;
  left: 0;
  top: 22px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--green);
}

.page-contact .compose-list__title {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--rock);
}

.page-contact .compose-list > li p {
  margin: 0;
  max-width: 60ch;
  color: var(--fog);
}

.page-contact .compose-section__aside .media-frame {
  border: 1px solid var(--line);
}

/* ---- 收尾 ---- */

.page-contact .contact-cta {
  display: grid;
  gap: 20px;
  align-items: center;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: 18px;
  background: var(--paper-card);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-cta__text .h3 {
  margin: 0 0 8px;
  color: var(--rock);
}

.page-contact .contact-cta__text p {
  margin: 0;
  max-width: 58ch;
  color: var(--rock);
}

/* ---- 响应式 ---- */

@media (min-width: 720px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 48px;
  }

  .page-contact .hero-keys {
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    align-items: start;
  }

  .page-contact .hero-keys__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-contact .channel {
    grid-template-columns: 3.4rem minmax(0, 1fr);
    padding: 30px 0;
  }

  .page-contact .version-callout__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: center;
  }

  .page-contact .compose-section__inner {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, .72fr);
  }

  .page-contact .contact-cta {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-hero {
    padding-top: clamp(56px, 6vw, 88px);
  }

  .page-contact .compose-list > li {
    padding-left: 64px;
  }
}