.page-contact {
  --pc-hair: 1px solid var(--c-line);
  --pc-radius: var(--r-lg);
  color: var(--c-ink);
}

.page-contact .display-xl {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.6vw, 3.3rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-contact .display-lg {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.8vw, 2.3rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 0.7rem 0 0;
}

.page-contact .heading-md {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 3.2vw, 1.45rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0.7rem 0 0.85rem;
}

.page-contact .label-plate {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .label-plate__index {
  color: var(--c-lime);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  padding-block: clamp(2.25rem, 7vw, 4.5rem) clamp(1.75rem, 5vw, 3rem);
}

.page-contact .contact-intro__grid {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
  align-items: stretch;
}

.page-contact .contact-intro__lead {
  display: flex;
  flex-direction: column;
}

.page-contact .contact-intro__lead .breadcrumbs {
  margin-bottom: clamp(1.25rem, 3vw, 1.9rem);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.page-contact .contact-intro__lead .breadcrumbs__item {
  color: var(--c-muted);
  text-decoration: none;
}

.page-contact .contact-intro__lead a.breadcrumbs__item {
  color: var(--c-moss);
}

.page-contact .contact-intro__plate {
  margin-bottom: 0.9rem;
}

.page-contact .contact-intro__lead .lede {
  margin: 1.15rem 0 0;
  max-width: 36rem;
  font-size: clamp(0.97rem, 2.5vw, 1.08rem);
  line-height: 1.85;
  color: var(--c-muted);
}

.page-contact .contact-intro__figure {
  margin: 0;
  position: relative;
  border: var(--pc-hair);
  border-radius: var(--pc-radius);
  overflow: hidden;
  background: var(--c-panel);
}

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

.page-contact .contact-intro__figure .media-frame__caption {
  display: block;
  padding: 0.85rem 1.15rem 1rem;
  border-top: var(--pc-hair);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--c-muted);
}

@media (min-width: 940px) {
  .page-contact .contact-intro__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

/* ---------- 渠道与响应 ---------- */

.page-contact .contact-channels {
  position: relative;
  padding-block: clamp(2.5rem, 7vw, 4.5rem);
  background: var(--c-panel);
}

.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(120% 70% at 88% 6%, rgba(111, 208, 140, 0.1), transparent 62%);
}

.page-contact .contact-channels > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-channels__head {
  max-width: 44rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .contact-channels__sub {
  margin: 0.9rem 0 0;
  font-size: clamp(0.94rem, 2.4vw, 1.02rem);
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

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

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(1.35rem, 3.5vw, 1.75rem) clamp(1.35rem, 3.5vw, 1.75rem) clamp(1.35rem, 3.5vw, 1.75rem)
    clamp(1.6rem, 4vw, 2rem);
  border: var(--pc-hair);
  border-radius: var(--r-md);
  background: linear-gradient(140deg, rgba(111, 208, 140, 0.06), transparent 55%), var(--c-canvas);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--c-moss), var(--c-lime));
}

.page-contact .channel-card--support::before {
  background: linear-gradient(180deg, var(--c-lime), var(--c-moss));
}

.page-contact .channel-card--phone::before {
  background: linear-gradient(180deg, var(--c-clay), var(--c-amber));
}

.page-contact .channel-card:hover {
  border-color: rgba(111, 208, 140, 0.5);
  transform: translateY(-2px);
}

.page-contact .channel-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .channel-card__value {
  margin: 0.15rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 3.5vw, 1.2rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--c-lime);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-card--phone .channel-card__value {
  color: var(--c-amber);
}

.page-contact .channel-card__desc {
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--c-muted);
}

@media (max-width: 719px) {
  .page-contact .contact-channels__list {
    grid-auto-flow: column;
    grid-auto-columns: min(84%, 21rem);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.6rem;
  }

  .page-contact .contact-channels__list > .channel-card {
    scroll-snap-align: start;
  }

  .page-contact .contact-channels__list > .channel-card + .channel-card {
    margin-left: 0.85rem;
  }
}

.page-contact .contact-channels__side {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
  align-content: start;
}

.page-contact .response-note {
  border: var(--pc-hair);
  border-radius: var(--r-lg);
  padding: clamp(1.4rem, 3.5vw, 2rem);
  background: var(--c-canvas);
}

.page-contact .response-note__title {
  margin: 0.7rem 0 0.7rem;
  font-size: clamp(1.1rem, 3.3vw, 1.35rem);
  line-height: 1.4;
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .response-note p {
  margin: 0 0 1rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .response-note__list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-contact .response-note__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-contact .response-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 2px;
  background: var(--c-moss);
  transform: rotate(45deg);
}

.page-contact .response-note__foot {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .response-note__foot a {
  color: var(--c-moss);
  text-underline-offset: 3px;
}

.page-contact .contact-channels__figure {
  margin: 0;
  border: var(--pc-hair);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-canvas);
}

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

.page-contact .contact-channels__figure .media-frame__caption {
  display: block;
  padding: 0.85rem 1.15rem 1rem;
  border-top: var(--pc-hair);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--c-muted);
}

@media (min-width: 960px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }
}

/* ---------- 合作方向 ---------- */

.page-contact .contact-coop {
  padding-block: clamp(2.5rem, 7vw, 4.5rem);
}

.page-contact .contact-coop__head {
  max-width: 44rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .contact-coop__sub {
  margin: 0.9rem 0 0;
  font-size: clamp(0.92rem, 2.4vw, 1rem);
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .coop-grid {
  display: grid;
  gap: 1rem;
}

.page-contact .coop-item {
  padding: clamp(1.25rem, 3vw, 1.65rem);
  border: var(--pc-hair);
  border-radius: var(--r-md);
  background: var(--c-panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .coop-item:hover,
.page-contact .coop-item:focus {
  border-color: rgba(111, 208, 140, 0.55);
  transform: translateY(-2px);
}

.page-contact .coop-item:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 3px;
}

.page-contact .coop-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 1rem;
  border-radius: var(--r-pill);
  border: 1px solid rgba(111, 208, 140, 0.45);
  background: rgba(111, 208, 140, 0.1);
  color: var(--c-moss);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-contact .coop-pill--data {
  border-color: rgba(168, 230, 58, 0.45);
  background: rgba(168, 230, 58, 0.1);
  color: var(--c-lime);
}

.page-contact .coop-pill--brand {
  border-color: rgba(228, 113, 60, 0.5);
  background: rgba(228, 113, 60, 0.12);
  color: var(--c-amber);
}

.page-contact .coop-materials {
  margin-top: 0.85rem;
  overflow: hidden;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--c-muted);
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin-top var(--dur) var(--ease);
}

.page-contact .coop-materials p {
  margin: 0 0 0.6rem;
}

.page-contact .coop-materials a {
  color: var(--c-moss);
  text-underline-offset: 3px;
}

.page-contact .coop-materials ul {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.3rem;
}

@media (min-width: 860px) and (hover: hover) {
  .page-contact .coop-materials {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
  }

  .page-contact .coop-item:hover .coop-materials,
  .page-contact .coop-item:focus .coop-materials {
    max-height: 26rem;
    opacity: 1;
    margin-top: 0.85rem;
  }
}

@media (min-width: 860px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    align-items: start;
  }
}

/* ---------- 媒体与准备清单 ---------- */

.page-contact .contact-brief {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .contact-brief__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .brief-block p {
  margin: 0 0 0.9rem;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-contact .brief-block--media .heading-md {
  max-width: 26rem;
}

.page-contact .brief-block__cta {
  margin-top: 1.35rem;
}

.page-contact .brief-block--prep {
  padding: clamp(1.4rem, 3.5vw, 2rem);
  border: var(--pc-hair);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(228, 113, 60, 0.09), transparent 58%), var(--c-panel);
}

.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--c-line);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--c-muted);
}

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

.page-contact .prep-list__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--c-amber);
}

@media (min-width: 900px) {
  .page-contact .contact-brief__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

/* ---------- 备案与主体 ---------- */

.page-contact .contact-base {
  position: relative;
  margin-top: clamp(2rem, 6vw, 3.5rem);
  padding-block: clamp(3.5rem, 8vw, 5.25rem) clamp(2.5rem, 6vw, 4rem);
  background: var(--c-panel);
  clip-path: polygon(0 3rem, 100% 0, 100% 100%, 0 100%);
}

.page-contact .contact-base::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(110% 80% at 84% 0%, rgba(242, 163, 60, 0.16), transparent 62%);
}

.page-contact .contact-base__inner {
  position: relative;
  z-index: 1;
}

.page-contact .base-list {
  margin: 1.6rem 0 0;
  display: grid;
}

.page-contact .base-list__row {
  display: grid;
  gap: 0.3rem;
  padding-block: 0.95rem;
  border-top: var(--pc-hair);
}

.page-contact .base-list dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .base-list dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-contact .base-list dd.is-mono {
  font-family: var(--font-mono);
  color: var(--c-lime);
  letter-spacing: 0.01em;
}

@media (min-width: 720px) {
  .page-contact .base-list__row {
    grid-template-columns: minmax(0, 9rem) minmax(0, 1fr);
    align-items: baseline;
    gap: 1.5rem;
    padding-block: 1.1rem;
  }
}

@media (min-width: 1040px) {
  .page-contact .base-list__row {
    grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
  }
}
<<<END>>>