.page-contact {
  --cp-content: var(--c-purple);
  --cp-tech: var(--c-gold);
  --cp-channel: var(--c-jade);
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 26px);
}

/* ---------- Hero ---------- */
.page-contact .cp-hero {
  padding-block: clamp(22px, 3.4vw, 40px) clamp(40px, 6vw, 78px);
}

.page-contact .cp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 54px);
  align-items: end;
}

.page-contact .cp-hero__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.24;
  letter-spacing: .012em;
  margin: 14px 0 0;
  color: var(--c-ivory);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-contact .cp-hero__title {
    background: linear-gradient(102deg, var(--c-ivory) 6%, var(--c-gold-hi) 48%, var(--c-gold) 86%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.page-contact .cp-hero__lede {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 40em;
  color: var(--c-ivory);
  opacity: .92;
}

.page-contact .cp-hero__side {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(14, 42, 77, .92), rgba(3, 7, 15, .9));
  padding: clamp(20px, 3vw, 32px);
  overflow: hidden;
}

.page-contact .cp-hero__side::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: linear-gradient(115deg, transparent 42%, rgba(212, 175, 55, .16) 50%, transparent 58%);
  animation: cp-diag 20s linear infinite;
  pointer-events: none;
}

@keyframes cp-diag {
  from { transform: translate3d(-18%, -14%, 0); }
  to { transform: translate3d(18%, 14%, 0); }
}

.page-contact .cp-hero__side-key {
  position: relative;
  margin: 0 0 10px;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--c-gold);
}

.page-contact .cp-hero__list {
  position: relative;
  margin: 0;
}

.page-contact .cp-hero__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .cp-hero__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .cp-hero__row dt {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--c-slate);
}

.page-contact .cp-hero__row dd {
  margin: 0;
  text-align: right;
  color: var(--c-ivory);
  font-size: .95rem;
  line-height: 1.6;
}

/* ---------- 合作方向 ---------- */
.page-contact .cp-dirs__intro {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 46em;
}

.page-contact .cp-dirs__wrap {
  position: relative;
  margin-top: clamp(30px, 4.4vw, 56px);
}

.page-contact .cp-dirs__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
}

.page-contact .cp-dir {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(14, 42, 77, .62), rgba(7, 26, 51, .18));
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}

.page-contact .cp-dir::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cp-accent, var(--c-gold)), transparent);
  transition: width .55s var(--ease);
}

.page-contact .cp-dir:hover,
.page-contact .cp-dir:focus-within {
  transform: translateY(-4px);
  border-color: var(--cp-accent, var(--c-gold));
}

.page-contact .cp-dir:hover::before,
.page-contact .cp-dir:focus-within::before {
  width: 100%;
}

.page-contact .cp-dir--content { --cp-accent: var(--cp-content); }
.page-contact .cp-dir--tech { --cp-accent: var(--cp-tech); }
.page-contact .cp-dir--channel { --cp-accent: var(--cp-channel); }

.page-contact .cp-dir__head {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--cp-accent, var(--c-gold));
}

.page-contact .cp-dir__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  color: var(--c-ivory);
  letter-spacing: .02em;
}

.page-contact .cp-dir__text {
  margin: 12px 0 0;
  color: var(--c-slate);
  line-height: 1.85;
  font-size: .96rem;
}

.page-contact .cp-dir__fit {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: .85rem;
  color: var(--c-ivory);
  opacity: .8;
}

.page-contact .cp-dirs__media {
  margin: clamp(32px, 4.6vw, 60px) 0 0;
}

.page-contact .cp-dirs__media img,
.page-contact .cp-contact__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 对接流程 ---------- */
.page-contact .cp-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 52px);
  align-items: start;
}

.page-contact .cp-flow__intro .prose {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 34em;
}

.page-contact .cp-flow__tabs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 34px);
}

.page-contact .cp-flow__tabs .tabs__list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line-soft);
}

.page-contact .cp-flow__tabs .tabs__tab {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 16px;
  width: 100%;
  margin: 0;
  padding: 16px 18px;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--c-slate);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  cursor: pointer;
  transition: color .25s var(--ease), background .25s var(--ease), padding-left .25s var(--ease);
}

.page-contact .cp-flow__tabs .tabs__tab:hover {
  color: var(--c-ivory);
  padding-left: 24px;
}

.page-contact .cp-flow__tabs .tabs__tab:focus-visible {
  outline: 1px solid var(--c-gold-hi);
  outline-offset: -2px;
}

.page-contact .cp-flow__tabs .tabs__tab[aria-selected="true"] {
  color: var(--c-ivory);
  background: linear-gradient(90deg, rgba(212, 175, 55, .16), transparent 72%);
}

.page-contact .cp-flow__tabs .tabs__tab[aria-selected="true"]::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-gold-hi), var(--cp-content));
}

.page-contact .cp-flow__tabs .tabs__num {
  font-size: .8rem;
  color: var(--c-gold);
}

.page-contact .cp-flow__name {
  letter-spacing: .02em;
}

.page-contact .cp-flow__time {
  grid-column: 2;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--c-slate);
  opacity: .85;
}

.page-contact .cp-flow__tabs .tabs__panel {
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--line-soft);
  background: linear-gradient(152deg, rgba(14, 42, 77, .55), rgba(3, 7, 15, .38));
}

.page-contact .cp-flow__tabs .tabs__panel:focus-visible {
  outline: 1px solid var(--c-gold-hi);
  outline-offset: 2px;
}

.page-contact .cp-flow__step {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--c-jade);
}

.page-contact .cp-flow__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  color: var(--c-ivory);
}

.page-contact .cp-flow__text {
  margin: 14px 0 0;
  color: var(--c-slate);
  line-height: 1.9;
}

.page-contact .cp-flow__points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .cp-flow__points li {
  position: relative;
  padding-left: 20px;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--c-ivory);
  opacity: .86;
}

.page-contact .cp-flow__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 1px;
  background: var(--c-gold);
}

/* ---------- 沟通前准备 ---------- */
.page-contact .cp-prep__intro {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 46em;
}

.page-contact .cp-prep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-contact .cp-prep__item {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--c-deep);
}

.page-contact .cp-prep__idx {
  margin: 0;
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--c-gold);
}

.page-contact .cp-prep__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  line-height: 1.55;
  color: var(--c-ivory);
}

.page-contact .cp-prep__text {
  margin: 12px 0 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--c-slate);
}

/* ---------- 联系渠道 ---------- */
.page-contact .cp-contact__intro {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 44em;
}

.page-contact .cp-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .cp-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(3, 7, 15, .6), rgba(7, 26, 51, .34));
}

.page-contact .cp-card__key {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--c-gold);
}

.page-contact .cp-card__title {
  margin: 0;
  font-size: .95rem;
  font-weight: 400;
  letter-spacing: .08em;
  color: var(--c-slate);
}

.page-contact .cp-card__value {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(.98rem, 1.5vw, 1.22rem);
  line-height: 1.6;
  color: var(--c-ivory);
  overflow-wrap: anywhere;
}

.page-contact .cp-card__value--tel {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  letter-spacing: .04em;
  color: var(--c-gold-hi);
}

.page-contact .cp-card__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(.98rem, 1.4vw, 1.08rem);
}

.page-contact .cp-card__note {
  margin: 10px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: .9rem;
  line-height: 1.85;
  color: var(--c-slate);
}

.page-contact .cp-contact__media {
  margin: clamp(28px, 4vw, 50px) 0 0;
}

.page-contact .cp-contact__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: .86rem;
  color: var(--c-slate);
}

.page-contact .cp-contact__legal .mono {
  color: var(--c-gold);
  letter-spacing: .08em;
}

/* ---------- 尾部引导 ---------- */
.page-contact .cp-tail {
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-contact .cp-tail .prose {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 44em;
}

.page-contact .cp-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .cp-tail__mark {
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--c-slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .cp-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .cp-flow__tabs {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(20px, 2.8vw, 38px);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .cp-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .cp-dirs__wrap::before {
    content: "";
    position: absolute;
    left: 4%;
    right: 4%;
    top: 12%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--line), var(--line-soft), transparent);
    transform: rotate(-5deg);
    transform-origin: left center;
    pointer-events: none;
  }

  .page-contact .cp-dirs__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .cp-dir:nth-child(2) {
    margin-top: clamp(26px, 3.4vw, 50px);
  }

  .page-contact .cp-dir:nth-child(3) {
    margin-top: clamp(52px, 6.8vw, 100px);
  }

  .page-contact .cp-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-contact .cp-prep__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .cp-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr) minmax(0, 1.2fr);
  }
}

@media (max-width: 480px) {
  .page-contact .cp-hero__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-contact .cp-hero__row dd {
    text-align: left;
  }

  .page-contact .cp-flow__tabs .tabs__tab {
    grid-template-columns: auto minmax(0, 1fr);
    padding-inline: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cp-hero__side::before {
    animation: none;
  }

  .page-contact .cp-dir,
  .page-contact .cp-flow__tabs .tabs__tab,
  .page-contact .cp-dir::before {
    transition: none;
  }
}