.page-contact {
  --c-glow: rgba(255, 90, 42, 0.16);
  --c-lake-glow: rgba(47, 211, 192, 0.12);
  padding-top: clamp(18px, 3vw, 36px);
  color: var(--snow);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 4px;
  color: var(--edge);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--gold);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(8px, 2vw, 20px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -140px -10% auto -40%;
  height: 640px;
  background:
    radial-gradient(46% 58% at 16% 22%, var(--c-glow), transparent 68%),
    radial-gradient(38% 50% at 84% 0%, var(--c-lake-glow), transparent 72%);
  z-index: -1;
  pointer-events: none;
}

.page-contact .contact-intro {
  max-width: 46ch;
}

.page-contact .contact-intro .eyebrow {
  color: var(--gold);
  margin: 0;
}

.page-contact .contact-intro h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 14px 0 16px;
  color: var(--snow);
}

.page-contact .contact-intro__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 战术板 7/5 ---------- */
.page-contact .contact-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  margin-top: clamp(28px, 4vw, 52px);
}

.page-contact .contact-board__main {
  display: grid;
  gap: clamp(12px, 2vw, 20px);
  min-width: 0;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0 clamp(0px, 1vw, 8px) clamp(4px, 1vw, 10px) 0;
  overflow: hidden;
  border: 1px solid var(--edge);
}

.page-contact .contact-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 14, 42, 0) 38%, rgba(10, 14, 42, 0.78) 100%);
  pointer-events: none;
}

.page-contact .channel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 14px;
  padding: clamp(18px, 2.6vw, 30px) 0;
  border-top: 1px solid var(--edge);
}

.page-contact .channel:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-contact .channel__num {
  grid-column: 1;
  grid-row: 1 / span 3;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lava);
}

.page-contact .channel__label,
.page-contact .channel__value,
.page-contact .channel__note {
  grid-column: 2;
  min-width: 0;
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .channel__value {
  display: block;
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 5.6vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--snow);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.25s var(--ease);
}

.page-contact .channel--mail .channel__value {
  font-size: clamp(15px, 2.5vw, 30px);
  color: var(--gold);
  word-break: break-word;
}

.page-contact .channel__value:hover,
.page-contact .channel__value:focus-visible {
  color: var(--lava);
}

.page-contact .channel--mail .channel__value:hover,
.page-contact .channel--mail .channel__value:focus-visible {
  color: var(--snow);
}

.page-contact .channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 右窄栏 ---------- */
.page-contact .contact-board__side {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  align-content: start;
  min-width: 0;
}

.page-contact .side-panel {
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--edge);
  background: linear-gradient(160deg, rgba(20, 26, 68, 0.88), rgba(10, 14, 42, 0.5));
}

.page-contact .side-panel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-contact .side-panel__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-contact .side-panel__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.35;
  color: var(--snow);
}

.page-contact .side-panel__intro {
  margin: 0 0 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .prep {
  border-top: 1px solid var(--edge);
}

.page-contact .prep > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 12px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  color: var(--snow);
}

.page-contact .prep > summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lava);
  transition: transform 0.3s var(--ease);
}

.page-contact .prep[open] > summary::after {
  transform: rotate(45deg);
}

.page-contact .prep > summary:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: 3px;
}

.page-contact .prep p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .time-big {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.2vw, 24px);
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-contact .time-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .time-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .time-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--lake);
}

/* ---------- 服务范围 ---------- */
.page-contact .scope,
.page-contact .mobile-service,
.page-contact .collab,
.page-contact .contact-foot {
  margin-top: clamp(46px, 7vw, 92px);
}

.page-contact .scope__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .scope__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .scope__grid {
  display: grid;
  grid-template-columns: 1fr;
  column-gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(22px, 3vw, 36px);
  border-top: 1px solid var(--edge);
}

.page-contact .scope__item {
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--edge);
  min-width: 0;
}

.page-contact .scope__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--lava);
}

.page-contact .scope__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.4;
  color: var(--snow);
}

.page-contact .scope__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 移动端品牌服务 ---------- */
.page-contact .mobile-service {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(24px, 4vw, 48px);
  background: linear-gradient(140deg, #ff5a2a 0%, #ff7a45 58%, #ff9a52 130%);
  color: var(--night);
  overflow: hidden;
}

.page-contact .mobile-service__copy {
  min-width: 0;
}

.page-contact .mobile-service .eyebrow {
  margin: 0;
  color: rgba(10, 14, 42, 0.62);
}

.page-contact .mobile-service__copy h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--night);
}

.page-contact .mobile-service__copy > p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(10, 14, 42, 0.84);
}

.page-contact .mobile-service__list {
  counter-reset: ms;
  list-style: none;
  margin: clamp(16px, 2vw, 22px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .mobile-service__list li {
  counter-increment: ms;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.68;
  color: rgba(10, 14, 42, 0.84);
}

.page-contact .mobile-service__list li::before {
  content: counter(ms, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(10, 14, 42, 0.55);
}

.page-contact .mobile-service__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 26px);
}

.page-contact .mobile-service__actions .btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--night);
  background: rgba(245, 247, 255, 0.22);
  border: 1px solid rgba(10, 14, 42, 0.42);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-contact .mobile-service__actions .btn:hover,
.page-contact .mobile-service__actions .btn:focus-visible {
  background: var(--night);
  color: var(--snow);
}

.page-contact .mobile-service__media {
  margin: 0;
  min-width: 0;
  border: 1px solid rgba(5, 7, 22, 0.28);
  overflow: hidden;
}

.page-contact .mobile-service__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

/* ---------- 合作沟通 ---------- */
.page-contact .collab {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--edge);
}

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

.page-contact .collab__text h2 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.35;
  color: var(--snow);
}

.page-contact .collab__text p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .collab__mail {
  justify-self: start;
  align-self: center;
  padding-bottom: 6px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 23px);
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
  overflow-wrap: anywhere;
  word-break: break-word;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .collab__mail:hover,
.page-contact .collab__mail:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 底部低对比区 ---------- */
.page-contact .contact-foot {
  padding: clamp(22px, 3.2vw, 40px);
  background: var(--night);
  border: 1px solid var(--edge);
}

.page-contact .contact-foot__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 26px);
}

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

.page-contact .contact-foot__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
  opacity: 0.78;
}

.page-contact .contact-foot__block address,
.page-contact .contact-foot__block p {
  margin: 0;
  font-style: normal;
  font-size: 14px;
  line-height: 1.72;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .contact-foot__block a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
  padding-bottom: 2px;
}

.page-contact .contact-foot__block a:hover,
.page-contact .contact-foot__block a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

.page-contact .contact-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--edge);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .scope__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-foot__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .mobile-service {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .mobile-service__media {
    justify-self: end;
    width: 100%;
    max-width: 380px;
  }

  .page-contact .collab {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-board {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1024px) {
  .page-contact .scope__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .scope__item {
    padding-right: clamp(12px, 1.6vw, 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel__value,
  .page-contact .prep > summary::after,
  .page-contact .mobile-service__actions .btn,
  .page-contact .collab__mail {
    transition: none;
  }

  .page-contact .prep[open] > summary::after {
    transform: none;
    content: "−";
  }
}
<<<END>>>