.page-contact {
  --pc-card: rgba(11, 43, 36, .72);
  --pc-soft: rgba(62, 92, 75, .26);
  --pc-night-soft: rgba(14, 32, 51, .58);
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- shared bits inside the page ---------- */
.page-contact .eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--silver);
  margin: 0 0 12px;
}

.page-contact .copy-btn {
  flex: 0 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: transparent;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  padding: 6px 14px;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .copy-btn:hover {
  background: var(--lime);
  color: var(--ink);
  border-color: var(--lime);
}
.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.page-contact .copy-btn[data-copied="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

/* ---------- hero ---------- */
.page-contact .contact-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(40px, 6vw, 84px);
  background:
    radial-gradient(circle at 88% 8%, rgba(200, 247, 81, .1), transparent 46%),
    linear-gradient(160deg, var(--ink) 0%, var(--night) 100%);
  border-bottom: 1px solid var(--line);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--rock);
  margin-bottom: clamp(24px, 4vw, 44px);
}
.page-contact .breadcrumbs a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .breadcrumbs a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-contact .breadcrumbs a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.page-contact .breadcrumbs span[aria-current="page"] {
  color: var(--paper);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .contact-hero__lead h1 {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
}

.page-contact .contact-hero__lead .lede {
  max-width: 42ch;
  color: rgba(242, 239, 230, .82);
  margin: 0;
}

.page-contact .contact-hero__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 14px;
  padding: 10px 12px 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--pc-night-soft);
  min-width: 0;
}
.page-contact .contact-hero__lead > .contact-hero__strip:first-of-type {
  margin-top: clamp(24px, 3vw, 36px);
}
.page-contact .contact-hero__strip-label {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--clay);
}
.page-contact .contact-hero__strip-value {
  font-size: 13px;
  color: var(--paper);
  min-width: 0;
  overflow-wrap: anywhere;
}
.page-contact .contact-hero__strip .copy-btn {
  margin-left: auto;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  align-self: end;
}
.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}
.page-contact .contact-hero__media figcaption {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--rock);
  letter-spacing: .03em;
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

/* ---------- 通道选择 + 准备清单 ---------- */
.page-contact .contact-channels {
  background: var(--night);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-channels__head h2 {
  margin: 0 0 12px;
}
.page-contact .contact-channels__intro {
  margin: 0;
  max-width: 46ch;
  color: rgba(242, 239, 230, .74);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .filter-bar.channel-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .filter-btn.channel-btn {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 15px 18px;
  text-align: left;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--pc-card);
  color: var(--paper);
  font-family: var(--sans);
  cursor: pointer;
  transition: border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
}
.page-contact .filter-btn.channel-btn:hover {
  border-color: var(--line-strong);
  transform: translateX(3px);
}
.page-contact .filter-btn.channel-btn:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.page-contact .filter-btn.channel-btn[aria-pressed="true"] {
  border-color: var(--lime);
  background: linear-gradient(100deg, rgba(200, 247, 81, .16), rgba(11, 43, 36, .88) 58%);
  box-shadow: inset 3px 0 0 var(--lime);
}

.page-contact .channel-btn__num {
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
  letter-spacing: .06em;
}
.page-contact .filter-btn.channel-btn[aria-pressed="true"] .channel-btn__num {
  color: var(--lime);
}
.page-contact .channel-btn__body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.page-contact .channel-btn__title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
}
.page-contact .channel-btn__desc {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(242, 239, 230, .68);
}

.page-contact .prep-panel {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--pc-soft);
}
.page-contact .prep-panel h3 {
  margin: 0;
  font-size: clamp(19px, 2.3vw, 26px);
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-contact .prep-list {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .prep-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 11px 14px;
  border-radius: var(--r-sm);
  border-left: 2px solid var(--clay);
  background: rgba(242, 239, 230, .05);
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(242, 239, 230, .92);
}
.page-contact .prep-item::before {
  content: "→";
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--lime);
}
.page-contact .prep-item[hidden] {
  display: none;
}

@media (min-width: 960px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-reach {
  background: var(--paper);
  color: var(--char);
  --line: rgba(16, 20, 19, .14);
  --line-strong: rgba(16, 20, 19, .3);
}
.page-contact .contact-reach .eyebrow {
  color: var(--clay);
}
.page-contact .contact-reach__head h2 {
  margin: 0 0 12px;
  color: var(--char);
}
.page-contact .contact-reach__intro {
  margin: 0;
  max-width: 48ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(16, 20, 19, .74);
}

.page-contact .contact-reach__grid {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(24px, 4vw, 42px);
}

.page-contact .reach-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 28px);
  border-radius: var(--r-md);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .52);
}
.page-contact .reach-card__label {
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--clay);
}
.page-contact .reach-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--char);
}
.page-contact .reach-card__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--char);
  overflow-wrap: anywhere;
}
.page-contact .reach-card__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(16, 20, 19, .7);
}
.page-contact .reach-card .copy-btn {
  align-self: flex-start;
  border-color: var(--line-strong);
  color: var(--char);
}
.page-contact .reach-card .copy-btn:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--lime);
}
.page-contact .reach-card .copy-btn:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-contact .reach-card--address {
  background-color: rgba(255, 255, 255, .45);
  background-image:
    linear-gradient(rgba(16, 20, 19, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 20, 19, .07) 1px, transparent 1px);
  background-size: 22px 22px;
}

.page-contact .contact-reach__privacy {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 13.5px;
  color: rgba(16, 20, 19, .72);
}
.page-contact .contact-reach__privacy a {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
}
.page-contact .contact-reach__privacy a:hover {
  color: var(--char);
  border-bottom-color: var(--char);
}
.page-contact .contact-reach__privacy a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-contact .contact-reach__banner {
  position: relative;
  margin: clamp(24px, 4vw, 40px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-strong);
}
.page-contact .contact-reach__banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 1;
}
.page-contact .contact-reach__banner figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 7px 14px;
  border-radius: var(--pill);
  background: rgba(11, 43, 36, .82);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .05em;
}

@media (min-width: 760px) {
  .page-contact .contact-reach__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 内容合作 ---------- */
.page-contact .contact-partners {
  background: var(--moss);
  border-block: 1px solid var(--line);
}
.page-contact .contact-partners .eyebrow {
  color: var(--lime);
}
.page-contact .contact-partners__grid {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
}
.page-contact .contact-partners h2 {
  margin: 0 0 clamp(14px, 2vw, 20px);
}
.page-contact .contact-partners__text {
  margin: 0 0 14px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 239, 230, .86);
}

.page-contact .partners-forms {
  padding: clamp(20px, 2.8vw, 30px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(199, 205, 209, .26);
  background: rgba(11, 43, 36, .42);
}
.page-contact .partners-forms__label {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--silver);
}
.page-contact .partners-forms__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .partners-forms__list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(199, 205, 209, .16);
}
.page-contact .partners-forms__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .partners-forms__list .mono {
  font-size: 12px;
  line-height: 1.9;
  color: var(--lime);
}
.page-contact .partners-forms__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 239, 230, .74);
}

@media (min-width: 900px) {
  .page-contact .contact-partners__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  background: var(--night);
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-flow__head h2 {
  margin: 0 0 12px;
}
.page-contact .contact-flow__intro {
  margin: 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 239, 230, .74);
}

.page-contact .flow-list {
  position: relative;
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}
.page-contact .flow-line {
  display: none;
  color: rgba(199, 205, 209, .32);
}
.page-contact .flow-item {
  position: relative;
}
.page-contact .flow-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--lime);
  background: var(--night);
  color: var(--lime);
  font-size: 13px;
  letter-spacing: .04em;
  position: relative;
  z-index: 1;
  transition: background .18s var(--ease), color .18s var(--ease);
}
.page-contact .flow-item:hover .flow-item__num {
  background: var(--lime);
  color: var(--night);
}
.page-contact .flow-item__title {
  margin: 14px 0 8px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--paper);
}
.page-contact .flow-item__text {
  margin: 0;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 239, 230, .72);
}

@media (min-width: 860px) {
  .page-contact .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--gap);
  }
  .page-contact .flow-line {
    display: block;
    position: absolute;
    top: 22px;
    left: 24px;
    right: 24px;
    height: 2px;
    width: auto;
  }
}

/* ---------- 结尾引导 ---------- */
.page-contact .contact-next {
  background:
    radial-gradient(circle at 12% 90%, rgba(255, 122, 61, .12), transparent 52%),
    var(--ink);
}
.page-contact .contact-next__inner {
  display: grid;
  gap: 22px;
}
.page-contact .contact-next h2 {
  margin: 0 0 12px;
}
.page-contact .contact-next__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 239, 230, .76);
}
.page-contact .contact-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 820px) {
  .page-contact .contact-next__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
  .page-contact .contact-next__actions {
    justify-content: flex-end;
  }
}

/* ---------- 移动端收口 ---------- */
@media (max-width: 599px) {
  .page-contact .contact-hero__strip {
    border-radius: var(--r-md);
    padding: 12px 14px;
  }
  .page-contact .contact-hero__strip .copy-btn {
    margin-left: 0;
  }
  .page-contact .contact-reach__banner img {
    aspect-ratio: 4 / 3;
  }
  .page-contact .partners-forms {
    padding: 18px;
  }
}
<<<END>>>