.page-contact {
  --contact-line: rgba(159, 182, 204, .22);
  --contact-glow: rgba(36, 224, 210, .34);
  --contact-paper-rule: rgba(19, 26, 31, .14);
  background: var(--ink-900);
  color: var(--white);
}

/* ---------- 顶部横幅 ---------- */
.page-contact .contact-banner {
  position: relative;
  background:
    radial-gradient(115% 85% at 82% 12%, rgba(36, 224, 210, .18) 0%, rgba(7, 20, 38, 0) 60%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 82%);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-banner__shell {
  padding-top: clamp(5.5rem, 12vw, 8.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .contact-banner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
  align-items: center;
}

.page-contact .contact-banner h1 {
  margin: .85rem 0 0;
  font-size: clamp(2.4rem, 9vw, 5rem);
  font-weight: 250;
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .contact-banner__intro {
  max-width: 32em;
  margin: 1.25rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.page-contact .contact-banner__figure {
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--contact-line);
  background: var(--ink-800);
  box-shadow: 0 24px 60px -34px rgba(36, 224, 210, .5);
}

.page-contact .contact-banner__figure img {
  display: block;
  width: 100%;
  height: clamp(200px, 46vw, 360px);
  object-fit: cover;
  object-position: center 62%;
}

/* ---------- 日常咨询 ---------- */
.page-contact .contact-channels {
  background: var(--ink-900);
}

.page-contact .contact-channels__heading,
.page-contact .contact-meta__heading {
  margin: .6rem 0 0;
  font-size: clamp(1.55rem, 5vw, 2.35rem);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 6vw, 3.5rem);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .contact-channels__block + .contact-channels__block {
  margin-top: clamp(2rem, 5vw, 3.25rem);
}

.page-contact .contact-channels__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .28em;
  color: var(--mist);
}

.page-contact .contact-channels__mail {
  display: block;
  margin: 1rem 0 0;
  padding-bottom: .65rem;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.6vw, 1.7rem);
  letter-spacing: -.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--contact-glow);
}

.page-contact .contact-channels__phone {
  display: block;
  margin: .9rem 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(2.1rem, 12vw, 4.3rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .contact-channels__note {
  max-width: 34em;
  margin: 1rem 0 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-channels__aside {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-contact .contact-address__text {
  margin: .6rem 0 0;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .contact-hours__num {
  margin: .65rem 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.5rem, 6vw, 2rem);
  letter-spacing: -.01em;
  color: var(--cyan-soft);
}

.page-contact .contact-hours__caption {
  margin: .4rem 0 0;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .contact-channels__tip {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-channels__tip a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: .2em;
}

/* ---------- 斜向色带 ---------- */
.page-contact .contact-slant {
  height: clamp(2.5rem, 7vw, 4.5rem);
  margin: clamp(1rem, 4vw, 2.5rem) 0;
  transform: skewY(-2.2deg);
  transform-origin: left center;
  background: linear-gradient(
    90deg,
    rgba(36, 224, 210, 0) 0%,
    rgba(36, 224, 210, .5) 24%,
    rgba(36, 224, 210, .16) 72%,
    rgba(36, 224, 210, 0) 100%
  );
}

/* ---------- 合作与媒体 ---------- */
.page-contact .contact-media {
  background: var(--ink-900);
}

.page-contact .contact-media__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-contact .contact-media h2 {
  margin: .6rem 0 0;
  font-size: clamp(1.55rem, 5vw, 2.2rem);
  font-weight: 300;
  line-height: 1.18;
  color: var(--white);
}

.page-contact .contact-media__text {
  max-width: 34em;
  margin: 1.1rem 0 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-media__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: .2em;
}

.page-contact .contact-media__panel {
  padding: clamp(1.35rem, 4vw, 2rem);
  border-radius: var(--r-card);
}

.page-contact .contact-media__list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .95rem;
}

.page-contact .contact-media__list li {
  display: grid;
  gap: .22rem;
  padding-bottom: .95rem;
  border-bottom: 1px solid var(--contact-line);
}

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

.page-contact .contact-media__list strong {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--white);
}

.page-contact .contact-media__list span {
  font-size: .875rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 咨询准备（浅色章节） ---------- */
.page-contact .contact-prepare__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .contact-prepare h2 {
  margin: .6rem 0 0;
  font-size: clamp(1.55rem, 5vw, 2.3rem);
  font-weight: 300;
  line-height: 1.18;
  color: var(--paper-ink);
}

.page-contact .contact-prepare__lead {
  max-width: 32em;
  margin: 1.1rem 0 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: rgba(19, 26, 31, .7);
}

.page-contact .contact-prepare__list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-paper-rule);
}

.page-contact .contact-prepare__item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .9rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--contact-paper-rule);
}

.page-contact .contact-prepare__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .8125rem;
  letter-spacing: .12em;
  padding-top: .22rem;
  color: #0d8c84;
}

.page-contact .contact-prepare__item strong {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper-ink);
}

.page-contact .contact-prepare__item p {
  margin: .3rem 0 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(19, 26, 31, .72);
}

.page-contact .contact-prepare__figure {
  border-radius: var(--r-card);
  overflow: hidden;
  background: #131A1F;
}

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

/* ---------- 备案与站点信息 ---------- */
.page-contact .contact-meta {
  background: var(--ink-800);
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-meta__rows {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 1.5rem;
}

.page-contact .contact-meta__links {
  max-width: 40em;
  margin: 1.5rem 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-meta__links a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: .2em;
}

/* ---------- 焦点反馈 ---------- */
.page-contact a:focus-visible,
.page-contact .follow-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-meta__rows {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2.5rem;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-banner__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .contact-banner__figure img {
    height: clamp(300px, 30vw, 420px);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-media__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .95fr);
    align-items: start;
    gap: clamp(2.5rem, 6vw, 4.5rem);
  }

  .page-contact .contact-prepare__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-contact .contact-prepare__figure {
    position: sticky;
    top: 6rem;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 6vw, 5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-slant {
    transform: none;
  }
}