.page-contact {
  --contact-radius: 26px;
  --contact-gap: 20px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding-top: 24px;
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--mint);
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .breadcrumbs a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .breadcrumbs a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--ivory);
}

/* ---------- 首屏接待台 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 40px 0 0;
  overflow: hidden;
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 78% 10%, rgba(198, 255, 61, 0.14), transparent 62%),
    linear-gradient(180deg, rgba(5, 20, 15, 0.62) 0%, rgba(5, 20, 15, 0.94) 68%, var(--night) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-contact .contact-hero__copy h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--ivory);
  max-width: 18ch;
}

.page-contact .contact-hero__copy .lede {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mint);
}

.page-contact .contact-hero__pulse {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 9px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--lime-soft);
  background: rgba(16, 55, 42, 0.55);
}

.page-contact .contact-hero__pulse .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.16);
}

/* ---------- 大号邮箱卡 ---------- */
.page-contact .mail-card {
  position: relative;
  padding: 26px 22px 24px;
  border-radius: var(--contact-radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(255, 138, 42, 0.14) 0%, transparent 46%),
    var(--panel);
  box-shadow: 0 24px 60px -32px rgba(0, 0, 0, 0.9);
  overflow: hidden;
}

.page-contact .mail-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -50px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid var(--line-soft);
  pointer-events: none;
}

.page-contact .mail-card__cap {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--orange-soft);
}

.page-contact .mail-card__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-soft);
}

.page-contact .mail-card__address {
  display: block;
  margin: 16px 0 20px;
  font-size: clamp(15px, 4.4vw, 22px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ivory);
  text-decoration: none;
  word-break: break-all;
  transition: color 180ms var(--ease);
}

.page-contact .mail-card__address:hover {
  color: var(--lime);
}

.page-contact .mail-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.page-contact .mail-card__actions .btn {
  flex: 1 1 auto;
  justify-content: center;
}

.page-contact .copy-btn {
  flex: 0 1 auto;
  padding: 11px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--lime);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .copy-btn:hover {
  border-color: var(--lime);
  background: rgba(198, 255, 61, 0.1);
}

.page-contact .copy-btn[data-copied] {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--night);
}

.page-contact .mail-card__hint {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mint);
}

/* ---------- 渠道资料带 ---------- */
.page-contact .channel-strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 36px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .channel-strip__cell {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .channel-strip__cell dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mint);
  margin-bottom: 6px;
}

.page-contact .channel-strip__cell dd {
  margin: 0;
  font-size: 15px;
  color: var(--ivory);
  word-break: break-word;
}

.page-contact .channel-strip__cell dd.mono {
  color: var(--lime);
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* ---------- 区块头通用 ---------- */
.page-contact .prep-head,
.page-contact .section-head {
  margin-bottom: 26px;
}

.page-contact .section-title {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 5vw, 34px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--ivory);
}

.page-contact .section-head .lede {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mint);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-section {
  padding: 56px 0 8px;
}

.page-contact .prep__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-contact .filter-btn {
  padding: 10px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--mint);
  font-size: 13px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .filter-btn:hover {
  border-color: var(--lime);
  color: var(--lime-soft);
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--night);
  font-weight: 700;
}

.page-contact .prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .prep__card {
  padding: 22px 20px 24px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--panel-deep);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

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

.page-contact .prep__card[data-filtered-out] {
  display: none;
}

.page-contact .prep__card .tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-contact .prep__card h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ivory);
}

.page-contact .prep__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .prep__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mint);
}

.page-contact .prep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  border: 1px solid var(--lime);
  background: rgba(198, 255, 61, 0.18);
}

.page-contact .prep__eta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-faint);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ivory);
}

.page-contact .prep__eta strong {
  color: var(--orange-soft);
  font-weight: 700;
}

.page-contact .prep__figure {
  margin: 24px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-contact .prep__figure .media-frame__caption {
  padding: 12px 16px;
  font-size: 12px;
  color: var(--mint);
  border-top: 1px solid var(--line-faint);
}

/* ---------- 斜切分隔 ---------- */
.page-contact .slant-band {
  height: 64px;
  margin-top: 48px;
  background: linear-gradient(100deg, transparent 0%, rgba(198, 255, 61, 0.1) 42%, rgba(255, 138, 42, 0.1) 78%, transparent 100%);
  clip-path: polygon(0 32%, 100% 0, 100% 68%, 0 100%);
}

/* ---------- 合作方向 ---------- */
.page-contact .partner-section {
  padding: 24px 0 8px;
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .partner-card {
  position: relative;
  padding: 22px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--night-2);
  overflow: hidden;
}

.page-contact .partner-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--lime), rgba(198, 255, 61, 0));
}

.page-contact .partner-card__num {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .partner-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ivory);
}

.page-contact .partner-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mint);
}

.page-contact .partner-card .tag {
  font-size: 11px;
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm-section {
  padding: 56px 0 8px;
}

.page-contact .rhythm-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .rhythm-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line-soft);
}

.page-contact .rhythm-item {
  position: relative;
  padding: 0 0 26px 26px;
}

.page-contact .rhythm-item:last-child {
  padding-bottom: 0;
}

.page-contact .rhythm-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--lime);
}

.page-contact .rhythm-item__num {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--orange-soft);
}

.page-contact .rhythm-item__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ivory);
}

.page-contact .rhythm-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mint);
}

/* ---------- 快捷入口 ---------- */
.page-contact .quick-section {
  padding: 56px 0 8px;
}

.page-contact .quick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .quick-card {
  display: block;
  padding: 22px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--panel);
  text-decoration: none;
  transition: border-color 200ms var(--ease), background 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .quick-card:hover {
  border-color: var(--lime);
  background: var(--panel-deep);
  transform: translateY(-2px);
}

.page-contact .quick-card__kicker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .quick-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ivory);
}

.page-contact .quick-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mint);
}

.page-contact .quick-card__go {
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
}

.page-contact .quick-tail {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mint);
}

.page-contact .quick-tail a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 180ms var(--ease);
}

.page-contact .quick-tail a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 底部说明带 ---------- */
.page-contact .note-strip {
  margin-top: 56px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line-soft);
  background: var(--night-2);
}

.page-contact .note-strip__inner {
  display: grid;
  gap: 10px;
}

.page-contact .note-strip__main {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mint);
  max-width: 78ch;
}

.page-contact .note-strip__sub {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(166, 199, 184, 0.72);
  letter-spacing: 0.02em;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-contact .breadcrumbs {
    padding-top: 30px;
  }

  .page-contact .contact-hero {
    padding-top: 52px;
  }

  .page-contact .channel-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-contact .channel-strip__cell {
    padding: 18px 0;
  }

  .page-contact .prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .mail-card {
    padding: 30px 28px 28px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: 64px;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 52px;
    align-items: center;
  }

  .page-contact .contact-hero__copy h1 {
    max-width: 16ch;
  }

  .page-contact .channel-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 32px;
    margin-top: 46px;
  }

  .page-contact .channel-strip__cell {
    border-bottom: none;
    border-left: 1px solid var(--line-faint);
    padding: 4px 0 4px 20px;
  }

  .page-contact .channel-strip__cell:first-child {
    border-left: none;
    padding-left: 0;
  }

  .page-contact .prep-section {
    padding-top: 76px;
  }

  .page-contact .prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .prep__card {
    padding: 26px 24px 28px;
  }

  .page-contact .prep__figure {
    margin-top: 28px;
  }

  .page-contact .prep__figure img {
    aspect-ratio: 21 / 9;
  }

  .page-contact .slant-band {
    height: 84px;
    margin-top: 64px;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .rhythm-inner {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .rhythm-head {
    position: sticky;
    top: calc(var(--header-offset) + 16px);
  }

  .page-contact .rhythm-item {
    padding: 0 0 32px 32px;
  }

  .page-contact .quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-contact .note-strip {
    margin-top: 72px;
    padding: 34px 0 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .prep__card,
  .page-contact .quick-card {
    transition: none;
  }

  .page-contact .prep__card:hover,
  .page-contact .quick-card:hover {
    transform: none;
  }
}
<<<END>>>