.page-contact {
  --pc-gap: clamp(18px, 3vw, 36px);
  --pc-pad: clamp(18px, 2.6vw, 26px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
  padding-bottom: clamp(8px, 1.5vw, 14px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(20px, 3.5vw, 40px) 0 clamp(32px, 5vw, 60px);
  border-bottom: 2px solid var(--line);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: var(--pc-gap);
  align-items: end;
}

.page-contact .contact-hero__title {
  margin: 0.32em 0 0.45em;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  margin: 0;
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-fact {
  display: grid;
  gap: 3px;
  min-width: 0;
}

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

.page-contact .contact-fact__v {
  font-size: 0.95rem;
  color: var(--text);
  word-break: break-all;
}

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

.page-contact .contact-hero__media .media__frame {
  aspect-ratio: 3 / 2;
  border: 2px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 60px);
  }
}

/* ---------- 双栏主体 ---------- */
.page-contact .contact-body {
  padding: clamp(34px, 5vw, 72px) 0 clamp(40px, 5vw, 80px);
}

.page-contact .contact-split {
  display: grid;
  gap: clamp(32px, 4vw, 44px);
}

.page-contact .contact-split__side {
  border-top: 2px solid var(--line);
  padding-top: clamp(26px, 4vw, 38px);
}

@media (min-width: 1000px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 0;
  }

  .page-contact .contact-split__main {
    padding-right: clamp(24px, 3vw, 48px);
    min-width: 0;
  }

  .page-contact .contact-split__side {
    padding-left: clamp(24px, 3vw, 48px);
    padding-top: 0;
    border-top: 0;
    border-left: 2px solid var(--line);
    min-width: 0;
  }
}

/* ---------- 区块标题 ---------- */
.page-contact .contact-block__head {
  display: grid;
  gap: 7px;
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vw, 28px);
  border-bottom: 2px solid var(--line);
}

.page-contact .contact-block__title {
  margin: 0;
  font-size: clamp(1.3rem, 2.9vw, 1.8rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--text);
}

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

.page-contact .contact-split__main .section__num {
  color: var(--accent);
}

.page-contact .contact-split__side .section__num {
  color: var(--accent-2);
}

.page-contact .contact-block + .contact-block,
.page-contact .contact-side + .contact-side {
  margin-top: clamp(36px, 4.5vw, 58px);
}

/* ---------- 01 合作方向轨道 ---------- */
.page-contact .contact-track {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-track__item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 12px 16px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-top: 1px solid var(--line);
  transition: border-color 280ms var(--ease);
}

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

.page-contact .contact-track__num {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 0.28em;
}

.page-contact .contact-track__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.005em;
}

.page-contact .contact-track__text {
  margin: 0;
  max-width: 56ch;
  color: var(--text);
}

.page-contact .prose a,
.page-contact .note a {
  color: var(--accent-2);
  text-underline-offset: 3px;
}

/* ---------- 02 洽谈准备 ---------- */
.page-contact .contact-picker {
  margin: 0 0 clamp(22px, 3vw, 30px);
}

.page-contact .contact-picker .chip {
  transition: border-color 240ms var(--ease), color 240ms var(--ease);
}

.page-contact .contact-prepare {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: var(--pc-pad);
}

.page-contact .contact-prepare__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-prepare__list {
  counter-reset: prep;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-prepare__list li {
  counter-increment: prep;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
}

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

.page-contact .contact-prepare__list li::before {
  content: counter(prep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--accent-2);
  padding-top: 0.32em;
}

.page-contact .contact-mailbox {
  margin-top: clamp(22px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: clamp(16px, 2.2vw, 22px);
  border: 2px solid var(--line);
  background: linear-gradient(135deg, rgba(49, 217, 255, 0.08), rgba(200, 255, 60, 0.04));
}

.page-contact .contact-mailbox__value {
  flex: 1 1 15ch;
  min-width: 0;
  font-size: clamp(0.86rem, 2.2vw, 1rem);
  color: var(--accent-2);
  word-break: break-all;
}

/* ---------- 03 客服渠道 ---------- */
.page-contact .contact-channels {
  display: grid;
}

.page-contact .contact-channel {
  display: grid;
  gap: 9px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .contact-channel__label {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-channel__value {
  font-size: clamp(0.94rem, 2.3vw, 1.05rem);
  color: var(--text);
  letter-spacing: -0.01em;
  word-break: break-all;
}

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

.page-contact .contact-channel .copy-btn {
  justify-self: start;
}

/* ---------- 04 服务时间 ---------- */
.page-contact .contact-hours {
  display: grid;
  gap: 16px;
}

.page-contact .contact-hours__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hours__row > span:first-child {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .contact-hours__v {
  font-size: clamp(1rem, 2.6vw, 1.15rem);
  color: var(--accent-2);
  letter-spacing: -0.01em;
}

.page-contact .contact-hours__flag {
  display: grid;
  gap: 9px;
  padding: clamp(14px, 2vw, 18px);
  border-left: 3px solid var(--data);
  background: rgba(255, 139, 61, 0.06);
}

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

.page-contact .contact-hours__flag .badge {
  justify-self: start;
}

/* ---------- 05 地址 ---------- */
.page-contact .contact-side .prose {
  margin: 0 0 12px;
}

.page-contact .contact-side .copy-btn {
  margin-top: 16px;
}

/* ---------- 底部信息带 ---------- */
.page-contact .contact-band {
  position: relative;
  overflow: hidden;
  border-top: 2px solid var(--line);
  background: var(--bg-alt);
}

.page-contact .contact-band__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-band__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.24;
  filter: saturate(0.65) contrast(1.05);
}

.page-contact .contact-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(5, 7, 10, 0.86), rgba(5, 7, 10, 0.96));
}

.page-contact .contact-band__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(34px, 5vw, 62px);
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .contact-band__list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-band__list > div {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-band__list dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-band__list dd {
  margin: 0;
  font-size: clamp(0.9rem, 2.2vw, 1rem);
  color: var(--text);
  word-break: break-all;
}

.page-contact .contact-band__foot {
  margin: 0;
  max-width: 62ch;
}

@media (min-width: 700px) {
  .page-contact .contact-band__list > div {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
  }

  .page-contact .contact-band__list dt {
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-track__item,
  .page-contact .contact-picker .chip {
    transition: none;
  }
}
<<<END>>>