.page-contact {
  position: relative;
  display: block;
  color: var(--text);
  padding-bottom: var(--s3);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact__crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5em;
  padding-top: var(--s1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-contact__crumbs a {
  color: var(--cyan-soft);
  text-decoration: none;
}
.page-contact__crumbs a:hover {
  color: var(--cyan);
}
.page-contact__crumb-sep {
  opacity: 0.5;
}

/* ---------- 首屏 ---------- */
.page-contact__hero {
  position: relative;
  padding: var(--s2) 0 0;
  overflow: hidden;
}
.page-contact__hero::before {
  content: "";
  position: absolute;
  inset: -140px -60px auto -60px;
  height: 340px;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(22, 224, 200, 0.07) 0 1px,
    transparent 1px 34px
  );
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 84%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 84%);
  pointer-events: none;
}

.page-contact__hero-inner {
  position: relative;
  display: grid;
  gap: var(--s2);
}

.page-contact__intro h1 {
  margin: 0.6rem 0 0.9rem;
  font-size: clamp(2rem, 7vw, 3.25rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-contact__lead {
  max-width: 46ch;
  margin: 0 0 1.4rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact__status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line);
  background: rgba(13, 59, 79, 0.55);
  clip-path: var(--cut-chip);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
}
.page-contact__status-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(22, 224, 200, 0.16);
  flex: none;
}

.page-contact__hero-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  clip-path: var(--cut-panel);
}
.page-contact__hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 渠道区 ---------- */
.page-contact__channels {
  padding: var(--s3) 0 0;
}

.page-contact__section-head {
  max-width: 58ch;
  margin-bottom: var(--s2);
}
.page-contact__section-head h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.5rem, 4.4vw, 2.05rem);
  font-weight: 900;
  line-height: 1.22;
}

.contact-grid {
  display: grid;
  gap: var(--s2);
}

.contact-grid__left {
  display: grid;
  gap: var(--s1);
}

.contact-grid__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  clip-path: var(--cut-panel);
}
.contact-grid__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 渠道卡片 */
.channel-card {
  position: relative;
  padding: 1.6rem 1.4rem 1.5rem;
  background: linear-gradient(160deg, rgba(13, 59, 79, 0.92), rgba(8, 37, 56, 0.95));
  border: 1px solid var(--line);
  clip-path: var(--cut-panel);
}
.channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 76px;
  height: 3px;
  background: var(--cyan);
}
.channel-card--tel::before {
  background: var(--orange);
}
.channel-card--addr::before {
  background: var(--indigo);
}
.channel-card--mail {
  border-color: rgba(22, 224, 200, 0.5);
}

.channel-card__label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.channel-card__idx {
  font-family: var(--font-num);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
  line-height: 1;
}
.channel-card--tel .channel-card__idx {
  color: var(--orange);
}
.channel-card--addr .channel-card__idx {
  color: #A78BFF;
}

.channel-card__value {
  margin: 0 0 0.8rem;
  font-size: clamp(1.125rem, 4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--text);
  overflow-wrap: anywhere;
}
.channel-card__value--addr {
  display: grid;
  gap: 0.15em;
  font-size: clamp(1.0625rem, 3.4vw, 1.25rem);
  font-weight: 600;
  line-height: 1.5;
}
.channel-card__value--addr span {
  display: block;
}

.channel-card__note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--muted);
}

.channel-card__tip {
  display: inline-block;
  margin: 1rem 0 0;
  padding: 0.45rem 0.75rem;
  border-left: 2px solid var(--cyan);
  background: rgba(22, 224, 200, 0.09);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
}

/* 准备清单 */
.prep {
  padding: 1.6rem 1.4rem 1.5rem;
  background: linear-gradient(200deg, rgba(13, 59, 79, 0.75), rgba(8, 37, 56, 0.92));
  border: 1px solid var(--line);
  clip-path: var(--cut-panel);
}
.prep__heading {
  margin: 0 0 0.4rem;
  font-size: clamp(1.25rem, 3.6vw, 1.5rem);
  font-weight: 900;
  line-height: 1.3;
}
.prep__sub {
  margin: 0 0 1.6rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--muted);
}
.prep__list {
  display: grid;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.prep__step {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.15rem 0.85rem;
}
.prep__num {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  clip-path: var(--cut-chip);
}
.prep__title {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
}
.prep__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 合作咨询 ---------- */
.page-contact__coop {
  padding: var(--s3) 0 0;
}
.coop__head {
  max-width: 62ch;
  margin-bottom: var(--s2);
}
.coop__head h2 {
  margin: 0.5rem 0 0.9rem;
  font-size: clamp(1.5rem, 4.4vw, 2.05rem);
  font-weight: 900;
  line-height: 1.24;
}
.coop__lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.coop__list {
  display: grid;
  gap: 0.75rem;
}

.page-contact__coop .coop__item {
  border: 1px solid var(--line);
  background: rgba(13, 59, 79, 0.42);
  clip-path: var(--cut-panel);
  transition: background 0.24s var(--ease);
}
.page-contact__coop .coop__item[open] {
  background: rgba(13, 59, 79, 0.78);
}

.page-contact__coop summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 1.25rem;
  list-style: none;
  cursor: pointer;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
}
.page-contact__coop summary::-webkit-details-marker {
  display: none;
}
.page-contact__coop summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--orange);
}
.page-contact__coop .coop__item[open] summary::after {
  content: "－";
}

.page-contact__coop .coop__body {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 延伸阅读 ---------- */
.page-contact__more {
  padding: var(--s3) 0 0;
}
.page-contact__more-inner {
  display: grid;
  gap: var(--s1);
  padding: 1.6rem 1.4rem;
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(22, 224, 200, 0.07), rgba(110, 75, 214, 0.06) 70%, transparent);
  clip-path: var(--cut-panel);
}
.page-contact__more-title {
  margin: 0 0 0.4rem;
  font-size: clamp(1.25rem, 3.6vw, 1.5rem);
  font-weight: 900;
  line-height: 1.3;
}
.page-contact__more-text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact__more-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}
.page-contact__more-links a {
  display: inline-block;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line);
  background: rgba(4, 18, 31, 0.5);
  color: var(--cyan-soft);
  font-size: 0.875rem;
  text-decoration: none;
  clip-path: var(--cut-chip);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact__more-links a:hover,
.page-contact__more-links a:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

/* ---------- 中等宽度 ---------- */
@media (min-width: 700px) {
  .page-contact__hero {
    padding-top: var(--s3);
  }
  .contact-grid__left {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .contact-grid__media {
    grid-column: 1 / -1;
  }
  .page-contact__more-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--s2);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-contact__hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: var(--s3);
    align-items: end;
  }
  .contact-grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
    gap: var(--s3);
    align-items: start;
  }
  .contact-grid__right {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }
  .contact-grid__left {
    grid-template-columns: minmax(0, 1fr);
  }
  .contact-grid__media {
    grid-column: auto;
  }
  .page-contact__coop .coop__body {
    padding-left: 3.05rem;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1240px) {
  .contact-grid__left {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .channel-card--mail {
    grid-column: 1 / -1;
  }
  .contact-grid__media {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    transform: none;
    opacity: 1;
  }
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>