.page-contact {
  --contact-cut: clamp(28px, 6vw, 96px);
  --contact-card-bg: rgba(10, 36, 30, 0.76);
  background: var(--ink-900);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* ---------- Hero：斜切分栏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(44px, 7vw, 92px);
  background:
    radial-gradient(120% 90% at 10% -12%, rgba(0, 184, 148, 0.28), transparent 62%),
    radial-gradient(90% 80% at 94% 0%, rgba(124, 247, 212, 0.12), transparent 64%),
    var(--ink-900);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
}

.page-contact .contact-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.65) contrast(1.05);
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 18, 15, 0.5) 0%, rgba(4, 18, 15, 0.86) 58%, rgba(4, 18, 15, 0.98) 100%);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 46px);
  padding-top: clamp(14px, 3vw, 26px);
}

.page-contact .contact-hero__copy h1 {
  margin: 14px 0 0;
  font-size: clamp(2.05rem, 6.4vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(0.98rem, 1.4vw, 1.125rem);
  line-height: 1.78;
  color: rgba(233, 255, 249, 0.82);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  font-size: 0.8125rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-contact .contact-hero__facts .num {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1;
  color: var(--mint);
}

/* ---------- 玻璃联系卡 ---------- */
.page-contact .contact-card {
  position: relative;
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3.2vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-strong);
  background: linear-gradient(158deg, rgba(18, 59, 49, 0.92), var(--contact-card-bg));
  backdrop-filter: blur(16px);
  box-shadow: 0 26px 64px rgba(4, 18, 15, 0.58), inset 0 1px 0 rgba(124, 247, 212, 0.22);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(20px, 3.2vw, 32px);
  width: 56px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--mint);
}

.page-contact .contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 6px;
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  color: var(--paper);
}

.page-contact .contact-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-list__row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-list__row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-list__key {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-list__val {
  margin: 0;
}

.page-contact .contact-list__val a,
.page-contact .contact-list__val--text {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.6vw, 1.0625rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-list__val--text {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: rgba(233, 255, 249, 0.88);
}

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

.page-contact .contact-card__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 合作方向 ---------- */
.page-contact .collab {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .collab__figure {
  margin: 0;
}

.page-contact .collab__shot {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--ink-800);
}

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

.page-contact .collab__figure figcaption {
  margin-top: 12px;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .collab__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .collab__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: clamp(16px, 2.6vw, 24px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(18, 59, 49, 0.6), rgba(10, 36, 30, 0.35));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .collab__item:hover,
.page-contact .collab__item:focus-within {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 38px rgba(4, 18, 15, 0.5), inset 0 1px 0 rgba(124, 247, 212, 0.18);
}

.page-contact .collab__index {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1;
  color: var(--mint);
  padding-top: 5px;
}

.page-contact .collab__title {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--paper);
}

.page-contact .collab__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(233, 255, 249, 0.78);
}

.page-contact .collab__item .collab__item-tag {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mint-dim);
}

/* ---------- 咨询准备 ---------- */
.page-contact .prep {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .prep__head .btn {
  margin-top: 18px;
}

.page-contact .prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .prep__item {
  padding: 18px 20px;
  border-radius: var(--r-md);
  border-left: 2px solid var(--mint-dim);
  background: linear-gradient(120deg, rgba(18, 59, 49, 0.75), rgba(10, 36, 30, 0.55));
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .prep__item:hover {
  border-left-color: var(--signal);
  background: linear-gradient(120deg, rgba(27, 81, 69, 0.85), rgba(10, 36, 30, 0.6));
}

.page-contact .prep__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--mint);
}

.page-contact .prep__item h3 {
  margin: 8px 0 6px;
  font-size: 1rem;
  color: var(--paper);
}

.page-contact .prep__item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 合作流程编号带 ---------- */
.page-contact .flow {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .flow__step {
  position: relative;
  padding: 22px 18px 24px;
  border-top: 2px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(18, 59, 49, 0.55), rgba(10, 36, 30, 0.16));
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--mint-dim);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .flow__step:hover,
.page-contact .flow__step:focus-within {
  transform: translateY(-3px);
  background: linear-gradient(180deg, rgba(0, 184, 148, 0.16), rgba(10, 36, 30, 0.28));
}

.page-contact .flow__step:hover::before,
.page-contact .flow__step:focus-within::before {
  background: var(--mint);
  border-color: var(--mint);
  box-shadow: 0 0 0 6px rgba(124, 247, 212, 0.18);
}

.page-contact .flow__num {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--mint);
}

.page-contact .flow__step h3 {
  margin: 12px 0 8px;
  font-size: 1.0625rem;
  color: var(--paper);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-contact .flow__step:hover p,
.page-contact .flow__step:focus-within p {
  color: rgba(233, 255, 249, 0.88);
}

/* ---------- 回复时间状态条 ---------- */
.page-contact .status-bar {
  margin-top: clamp(38px, 7vw, 80px);
  padding: clamp(22px, 4vw, 36px) 0;
  background: linear-gradient(96deg, rgba(255, 107, 44, 0.2), rgba(255, 107, 44, 0.05) 55%, rgba(4, 18, 15, 0));
  border-top: 1px solid rgba(255, 107, 44, 0.42);
  border-bottom: 1px solid rgba(255, 107, 44, 0.24);
}

.page-contact .status-bar__inner {
  display: grid;
  gap: 16px;
  align-items: center;
}

.page-contact .status-bar__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 6px rgba(255, 107, 44, 0.18);
  animation: contact-pulse 2.6s var(--ease) infinite;
}

@keyframes contact-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.42; }
}

.page-contact .status-bar__title {
  margin: 0 0 6px;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--paper);
}

.page-contact .status-bar__text {
  margin: 0;
  max-width: 68ch;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(233, 255, 249, 0.8);
}

.page-contact .status-bar .btn {
  justify-self: start;
}

/* ---------- 延伸了解 ---------- */
.page-contact .more {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .more__link {
  display: grid;
  gap: 6px;
  height: 100%;
  padding: 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(10, 36, 30, 0.55);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .more__link:hover,
.page-contact .more__link:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: rgba(18, 59, 49, 0.8);
}

.page-contact .more__label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .more__desc {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: clamp(24px, 4vw, 40px);
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .to-top:hover,
.page-contact .to-top:focus-visible {
  color: var(--mint);
  border-color: var(--line-strong);
  background: rgba(18, 59, 49, 0.6);
}

.page-contact .to-top__icon {
  display: inline-flex;
  color: currentColor;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-contact .more {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .collab {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    align-items: start;
  }

  .page-contact .prep {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .status-bar__inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 24px;
  }

  .page-contact .status-bar .btn {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
    align-items: end;
  }

  .page-contact .contact-hero__bg {
    clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
  }
}

@media (min-width: 1100px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .flow__step {
    padding: 24px 20px 26px;
  }

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

@media (max-width: 420px) {
  .page-contact .contact-hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .status-bar__dot {
    animation: none;
  }

  .page-contact .collab__item,
  .page-contact .flow__step,
  .page-contact .more__link {
    transition: none;
  }

  .page-contact .collab__item:hover,
  .page-contact .flow__step:hover,
  .page-contact .more__link:hover {
    transform: none;
  }
}
<<<END>>>