.page-contact {
  --accent: var(--orange);
  --live: var(--orange);
  background: var(--white);
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--blue-deep);
  color: var(--white);
  padding: clamp(112px, 17vw, 184px) 0 clamp(40px, 6vw, 72px);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 80% 16%, rgba(31, 122, 76, .58), transparent 56%),
    radial-gradient(circle at 10% 92%, rgba(16, 99, 168, .72), transparent 62%),
    linear-gradient(158deg, #0A2E4D 0%, #1063A8 100%);
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -34%;
  height: 62%;
  background: var(--green);
  opacity: .3;
  transform: rotate(-7deg);
}

.page-contact .contact-hero__bg::before {
  content: "";
  position: absolute;
  top: 12%;
  right: -6%;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(127, 196, 232, .45);
  transform: rotate(7deg);
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero__crumb {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-contact .contact-hero__crumb,
.page-contact .contact-hero__crumb a {
  color: rgba(255, 255, 255, .7);
  text-decoration: none;
}

.page-contact .contact-hero__crumb a:hover {
  color: var(--white);
}

.page-contact .contact-hero__crumb span[aria-current] {
  color: var(--white);
}

.page-contact .contact-hero__grid {
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .contact-hero__copy {
  min-width: 0;
}

.page-contact .contact-hero__eyebrow {
  color: var(--green-light);
  margin-bottom: 14px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 0 0 20px;
  max-width: 15em;
}

.page-contact .contact-hero__lead {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: rgba(255, 255, 255, .86);
  margin: 0 0 30px;
  max-width: 46em;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-contact .contact-hero__ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, .55);
  background: transparent;
}

.page-contact .contact-hero__ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, .1);
  color: var(--white);
}

.page-contact .contact-hero__media {
  border: 1px solid rgba(127, 196, 232, .4);
  box-shadow: 0 18px 46px rgba(4, 20, 36, .34);
}

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

.page-contact .contact-hero__strip {
  margin-top: clamp(38px, 5vw, 62px);
  border-top: 1px solid rgba(255, 255, 255, .22);
  border-bottom: 1px solid rgba(255, 255, 255, .22);
  background: rgba(10, 46, 77, .3);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.page-contact .contact-hero__strip .data-strip__item {
  padding: 20px 4px 20px 0;
}

.page-contact .contact-hero__strip .data-num {
  color: var(--white);
}

.page-contact .contact-hero__strip .data-label {
  color: rgba(255, 255, 255, .68);
}

/* 合作方向 + 粘性联系卡 */
.page-contact .contact-work {
  padding: clamp(56px, 8vw, 96px) 0 clamp(48px, 7vw, 84px);
  background: var(--white);
}

.page-contact .workbench {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 5vw, 60px);
}

.page-contact .workbench__main {
  min-width: 0;
}

.page-contact .direction {
  position: relative;
  padding: 26px 0 26px 24px;
  border-left: 2px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: border-left-color .3s var(--ease), background-color .3s var(--ease);
}

.page-contact .direction:first-of-type {
  border-top: 1px solid var(--line);
}

.page-contact .direction:hover {
  border-left-color: var(--orange);
  background: linear-gradient(90deg, rgba(232, 88, 12, .05), transparent 55%);
}

.page-contact .direction__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 12px;
}

.page-contact .direction__num {
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--orange);
  font-weight: 700;
}

.page-contact .direction__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 2.4vw, 26px);
  letter-spacing: -.01em;
  margin: 0;
  color: var(--ink);
}

.page-contact .direction__text {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray-blue);
  max-width: 52em;
}

.page-contact .direction__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .direction__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .direction__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 2px;
  background: var(--green);
}

.page-contact .workbench__side {
  min-width: 0;
}

.page-contact .contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  padding: 26px 24px 28px;
  box-shadow: 0 1px 0 rgba(15, 27, 36, .05);
}

.page-contact .contact-card__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gray-blue);
  margin: 0 0 8px;
}

.page-contact .contact-card__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -.01em;
  margin: 0 0 20px;
  color: var(--ink);
}

.page-contact .contact-card__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-card__key {
  font-size: 12.5px;
  color: var(--gray-blue);
  letter-spacing: .04em;
}

.page-contact .contact-card__val {
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-card__val--mail {
  font-size: 14.5px;
  color: var(--blue);
  font-weight: 700;
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-blue);
}

/* 合作流程 */
.page-contact .contact-flow {
  padding: clamp(52px, 7vw, 88px) 0;
  background: var(--blue-mist);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-flow__media {
  margin: 0 0 clamp(34px, 5vw, 56px);
  border: 1px solid var(--line);
}

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

.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .flow__step {
  position: relative;
  padding: 28px 18px 28px 0;
  border-top: 2px solid var(--line);
  transition: border-color .35s var(--ease);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width .5s var(--ease);
}

.page-contact .flow__step:hover::before {
  width: 100%;
}

.page-contact .flow__num {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: .04em;
  margin-bottom: 8px;
}

.page-contact .flow__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  margin: 0 0 6px;
  color: var(--ink);
}

.page-contact .flow__time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ink);
  background: var(--green-light);
  padding: 3px 9px;
  margin: 0 0 12px;
}

.page-contact .flow__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-blue);
  max-width: 34em;
}

/* 首次沟通准备 */
.page-contact .contact-prep {
  padding: clamp(52px, 7vw, 88px) 0;
  background: var(--white);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .prep-item {
  background: var(--white);
  padding: 26px 24px 28px;
}

.page-contact .prep-item__num {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-contact .prep-item__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 19px;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-contact .prep-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-blue);
}

/* 来信之后 */
.page-contact .contact-after {
  padding: clamp(52px, 7vw, 88px) 0;
  background: var(--blue-mist);
  border-top: 1px solid var(--line);
}

.page-contact .after-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .after-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .after-item__num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--blue);
}

.page-contact .after-item__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  margin: 0;
  color: var(--ink);
}

.page-contact .after-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-blue);
}

.page-contact .after-links {
  margin: 32px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--gray-blue);
}

/* 联系渠道 */
.page-contact .contact-channels {
  padding: clamp(56px, 8vw, 96px) 0 clamp(60px, 8vw, 100px);
  background: var(--blue-deep);
  color: var(--white);
}

.page-contact .sec-head--invert .sec-num {
  color: var(--sand);
}

.page-contact .sec-head--invert .sec-title {
  color: var(--white);
}

.page-contact .sec-head--invert .sec-sub {
  color: rgba(255, 255, 255, .7);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(127, 196, 232, .28);
  border: 1px solid rgba(127, 196, 232, .28);
}

.page-contact .channel {
  background: var(--blue-deep);
  padding: 26px 24px 28px;
  transition: background-color .3s var(--ease);
}

.page-contact .channel:hover {
  background: #0d3659;
}

.page-contact .channel__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-light);
  margin: 0 0 12px;
}

.page-contact .channel__value {
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 10px;
  color: var(--white);
  word-break: break-word;
}

.page-contact .channel__value--mail {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--sand);
}

.page-contact .channel__value--addr {
  font-size: clamp(16px, 1.7vw, 19px);
}

.page-contact .channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .68);
}

.page-contact .contact-channels__foot {
  margin: 34px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .74);
}

.page-contact .link-arrow--invert {
  color: var(--sand);
}

@media (min-width: 640px) {
  .page-contact .contact-hero__strip {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .prep-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 760px) {
  .page-contact .flow {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 32px;
  }

  .page-contact .after-item {
    grid-template-columns: 52px minmax(150px, 200px) 1fr;
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .after-item__num {
    grid-column: 1;
  }

  .page-contact .after-item__title {
    grid-column: 2;
  }

  .page-contact .after-item__text {
    grid-column: 3;
    max-width: 46em;
  }
}

@media (min-width: 900px) {
  .page-contact .workbench {
    grid-template-columns: minmax(0, 1fr) 348px;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 104px;
  }

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

@media (min-width: 1080px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .direction,
  .page-contact .flow__step,
  .page-contact .flow__step::before,
  .page-contact .channel {
    transition: none;
  }
}
<<<END>>>