.page-contact {
  --pc-cut: 14px;
  --pc-card-bg: linear-gradient(148deg, rgba(31, 122, 77, 0.2), rgba(7, 23, 17, 0.55) 64%);
  --pc-card-bg-hover: linear-gradient(148deg, rgba(31, 122, 77, 0.3), rgba(7, 23, 17, 0.6) 64%);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) 0 56px;
  background:
    radial-gradient(120% 78% at 80% 0%, rgba(200, 255, 77, 0.1), transparent 62%),
    radial-gradient(90% 60% at 8% 100%, rgba(95, 200, 232, 0.08), transparent 60%),
    linear-gradient(180deg, var(--surface-0), var(--surface-1));
}

.page-contact .contact-hero .display {
  margin: 10px 0 0;
  font-size: clamp(2.4rem, 8.4vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero .lede {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--mist);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.page-contact .hero-banner {
  margin: 44px 0 0;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-contact .hero-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 两栏：联系说明 + 联系卡片 ---------- */
.page-contact .contact-split {
  padding: 56px 0;
  background: var(--surface-1);
}

.page-contact .split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-contact .aside-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .aside-title {
  margin: 12px 0 0;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--white);
}

.page-contact .aside-text {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 0.9688rem;
  line-height: 1.75;
}

.page-contact .contact-lines {
  margin: 28px 0 0;
  padding: 0;
  font-style: normal;
  border-top: 1px solid var(--line);
}

.page-contact .contact-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-line__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-contact .contact-line__value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--lime);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .contact-line__value:hover,
.page-contact .contact-line__value:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-line__value--plain {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--mist);
  word-break: normal;
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: 24px 26px 24px 28px;
  background: var(--pc-card-bg);
  border-left: 3px solid var(--turf);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-contact .channel-card--tr {
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, 0 100%);
}

.page-contact .channel-card--bl {
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--ice);
  background: var(--pc-card-bg-hover);
}

.page-contact .channel-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-contact .channel-card__title {
  margin: 10px 0 0;
  font-size: 1.1875rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--white);
}

.page-contact .channel-card__text {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-contact .channel-card__hint {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--lime);
}

/* ---------- 数据反馈写法 ---------- */
.page-contact .section--feedback {
  padding: 56px 0;
  background: var(--surface-2);
}

.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-contact .feedback-body .section-title {
  margin: 12px 0 0;
  font-size: clamp(1.5rem, 3.6vw, 2.125rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--white);
}

.page-contact .feedback-body .prose {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 0.9688rem;
  line-height: 1.75;
}

.page-contact .feedback-list {
  counter-reset: fb;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .feedback-list li {
  counter-increment: fb;
  position: relative;
  padding-left: 54px;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-contact .feedback-list li::before {
  content: counter(fb, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-contact .feedback-media {
  margin: 0;
}

.page-contact .feedback-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 合作方向 ---------- */
.page-contact .section--coop {
  padding: 56px 0;
  background: var(--surface-1);
}

.page-contact .section--coop .section-title {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 3.6vw, 2.125rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--white);
}

.page-contact .coop-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-item {
  padding: 26px 4px 30px;
  background: var(--surface-1);
}

.page-contact .coop-item__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--lime);
}

.page-contact .coop-item__text {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-contact .coop-note {
  margin: 24px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--turf);
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- 回复节奏 ---------- */
.page-contact .section--reply {
  padding: 56px 0;
  background: var(--surface-0);
}

.page-contact .section--reply .section-title {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 3.6vw, 2.125rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--white);
}

.page-contact .reply-list {
  margin: 32px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .reply-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .reply-row dt {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .reply-row dd {
  margin: 0;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-contact .contact-links {
  margin: 32px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-contact .contact-links a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-lime);
  padding-bottom: 1px;
}

.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 底部横条 ---------- */
.page-contact .contact-rail {
  padding: 30px 0;
  background: linear-gradient(90deg, rgba(31, 122, 77, 0.26), rgba(7, 23, 17, 0.92) 68%);
  border-top: 1px solid var(--line-lime);
  border-bottom: 1px solid var(--line);
}

.page-contact .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .rail-item {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-contact .rail-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-contact .rail-value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--lime);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .rail-value:hover,
.page-contact .rail-value:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .rail-value--plain {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--white);
  word-break: normal;
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-split,
  .page-contact .section--feedback,
  .page-contact .section--coop,
  .page-contact .section--reply {
    padding: 80px 0;
  }

  .page-contact .contact-hero {
    padding-bottom: 80px;
  }

  .page-contact .hero-banner img {
    aspect-ratio: 1400 / 480;
  }

  .page-contact .coop-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .coop-item {
    padding: 30px 24px 34px;
  }

  .page-contact .reply-row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 32px;
    align-items: baseline;
  }

  .page-contact .rail-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .rail-item + .rail-item {
    padding-left: 24px;
    border-left: 1px solid var(--line);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-split,
  .page-contact .section--feedback,
  .page-contact .section--coop,
  .page-contact .section--reply {
    padding: 96px 0;
  }

  .page-contact .contact-hero {
    padding-bottom: 96px;
  }

  .page-contact .split-grid {
    grid-template-columns: minmax(260px, 4fr) minmax(0, 8fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .channel-card {
    padding: 30px 32px 30px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card:hover {
    transition: none;
    transform: none;
  }
}
<<<END>>>