.page-contact {
  --contact-gap: clamp(1.25rem, 3vw, 2.5rem);
  --contact-edge: 4px;
  background: var(--paper);
  color: var(--ink);
}

.page-contact .section {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-contact .section-title {
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0.35rem 0 0.9rem;
}

.page-contact .lede {
  max-width: 34em;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.8;
  margin: 0 0 1.4rem;
}

.page-contact .display-title {
  font-size: clamp(32px, 5.4vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.25rem, 3vw, 2.25rem) clamp(2.25rem, 6vw, 4rem);
}

.page-contact .contact-hero__swash {
  position: absolute;
  left: 32%;
  right: -14%;
  bottom: -22%;
  height: 62%;
  background: linear-gradient(118deg, rgba(226, 112, 58, 0.34), rgba(116, 198, 190, 0.28) 58%, rgba(198, 240, 75, 0.2));
  clip-path: polygon(0 34%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--contact-gap);
}

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

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.page-contact .contact-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: 1rem 1.25rem;
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hero__facts div {
  min-width: 0;
}

.page-contact .contact-hero__facts dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.page-contact .contact-hero__facts dd {
  margin: 0.4rem 0 0;
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  font-weight: 800;
  color: var(--dusk);
  letter-spacing: -0.01em;
}

.page-contact .contact-hero__media {
  margin: 0;
  align-self: end;
}

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

/* ---------- 双栏与索引 ---------- */
.page-contact .rail {
  gap: var(--contact-gap);
}

.page-contact .aside-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin: 0.7rem 0 1.6rem;
}

.page-contact .aside-nav a {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.35rem 0 0.35rem 0.7rem;
  border-left: 2px solid var(--line);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .aside-nav a:hover,
.page-contact .aside-nav a:focus-visible,
.page-contact .aside-nav a.is-active {
  color: var(--ink);
  border-left-color: var(--dusk);
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-contact .filter-btn {
  border: 1px solid var(--line);
  background: var(--paper-soft);
  color: var(--ink-soft);
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.72rem;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .filter-btn:hover {
  border-color: var(--dusk);
  color: var(--ink);
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-soft);
}

.page-contact [data-tags][hidden] {
  display: none;
}

/* ---------- 合作方向 ---------- */
.page-contact .direction-list {
  display: grid;
  gap: 1.1rem;
}

.page-contact .direction {
  position: relative;
  min-width: 0;
  padding: clamp(1.1rem, 2.8vw, 1.75rem);
  border-left: var(--contact-edge) solid var(--glacier);
  background: var(--paper-soft);
  box-shadow: 6px 6px 0 rgba(18, 20, 26, 0.08);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}

.page-contact .direction:nth-child(2) {
  border-left-color: var(--dusk);
}

.page-contact .direction:nth-child(3) {
  border-left-color: var(--print);
}

.page-contact .direction:nth-child(4) {
  border-left-color: var(--deep);
}

.page-contact .direction:hover,
.page-contact .direction:focus-within {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 rgba(18, 20, 26, 0.14);
}

.page-contact .direction__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-contact .direction__title {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-contact .direction__text {
  margin: 0.85rem 0 0;
  max-width: 34em;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .direction__label {
  margin: 1.1rem 0 0.45rem;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.page-contact .direction__materials {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.3rem;
}

.page-contact .direction__materials li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .direction__materials li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--glacier);
}

.page-contact .direction:nth-child(2) .direction__materials li::before {
  background: var(--dusk);
}

/* ---------- 流程 ---------- */
.page-contact .process__head {
  display: grid;
  gap: var(--contact-gap);
}

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

.page-contact .process-band {
  list-style: none;
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1.9rem;
}

.page-contact .process-step {
  position: relative;
  min-width: 0;
  padding-top: 0.25rem;
}

.page-contact .process-step__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(198, 240, 75, 0.24);
  margin-right: 0.5rem;
  vertical-align: middle;
}

.page-contact .process-step__index {
  display: inline-block;
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dusk);
  vertical-align: middle;
}

.page-contact .process-step__title {
  margin: 0.65rem 0 0.5rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.page-contact .process-step__text {
  margin: 0;
  max-width: 32em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 内容与活动配对 ---------- */
.page-contact .pairing {
  border-top: 1px solid var(--line);
}

.page-contact .pairing__row {
  display: grid;
  gap: 0.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pairing__k {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.page-contact .pairing__k::before {
  content: "";
  width: 18px;
  height: 3px;
  background: var(--dusk);
  flex: none;
}

.page-contact .pairing__row:nth-child(2) .pairing__k::before {
  background: var(--glacier);
}

.page-contact .pairing__row:nth-child(3) .pairing__k::before {
  background: var(--print);
}

.page-contact .pairing__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 46em;
}

/* ---------- 覆盖与节奏 ---------- */
.page-contact .region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .region-stat {
  position: relative;
  padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--glacier);
  background: var(--paper-soft);
}

.page-contact .region-stat:nth-child(2n) {
  border-top-color: var(--dusk);
}

.page-contact .region-stat:nth-child(3n) {
  border-top-color: var(--print);
}

.page-contact .region-stat__num {
  display: block;
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  font-weight: 800;
  line-height: 1;
  color: var(--dusk);
  letter-spacing: -0.02em;
}

.page-contact .region-stat__label {
  display: block;
  margin-top: 0.55rem;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-contact .rhythm-slab {
  padding: clamp(1.1rem, 3vw, 1.75rem);
  border-left: var(--contact-edge) solid var(--neon);
}

.page-contact .rhythm-slab__title {
  margin: 0 0 0.5rem;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--glacier);
}

.page-contact .rhythm-slab__text {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .link-strip {
  display: grid;
  gap: 0.65rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-contact .link-strip a {
  display: block;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--glacier);
  background: var(--paper-soft);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .link-strip a:hover,
.page-contact .link-strip a:focus-visible {
  border-left-color: var(--dusk);
  transform: translateY(-2px);
}

/* ---------- 联系卡片 ---------- */
.page-contact .contact-board {
  background: var(--deep);
  color: var(--paper-soft);
  padding: clamp(1.4rem, 4vw, 2.75rem);
  box-shadow: 10px 10px 0 rgba(18, 20, 26, 0.16);
  clip-path: polygon(0 0, 100% 1.4%, 100% 100%, 0 98.6%);
}

.page-contact .contact-board__label {
  color: var(--glacier);
  margin: 0 0 0.6rem;
}

.page-contact .contact-board__title {
  color: var(--paper-soft);
  margin-top: 0;
}

.page-contact .contact-board__text {
  margin: 0 0 clamp(1.25rem, 3vw, 2rem);
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(252, 247, 238, 0.78);
}

.page-contact .contact-rows {
  border-top: 1px solid rgba(252, 247, 238, 0.2);
}

.page-contact .contact-row {
  display: grid;
  gap: 0.55rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(252, 247, 238, 0.2);
}

.page-contact .contact-row__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--glacier);
}

.page-contact .contact-row__value {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper-soft);
  overflow-wrap: anywhere;
}

.page-contact .contact-row__value--phone {
  font-size: clamp(1.5rem, 4.4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--neon);
}

.page-contact .contact-row .btn--copy {
  justify-self: start;
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 0.5rem 0.95rem;
  border: 1px solid rgba(252, 247, 238, 0.4);
  background: transparent;
  color: var(--paper-soft);
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .contact-row .btn--copy:hover,
.page-contact .contact-row .btn--copy:focus-visible {
  background: var(--glacier);
  border-color: var(--glacier);
  color: var(--deep);
}

.page-contact .contact-row .btn--copy[data-copy-state="done"] {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--deep);
}

.page-contact .contact-board__note {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  max-width: 44em;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(252, 247, 238, 0.74);
  border-left: 3px solid var(--dusk);
  padding-left: 0.9rem;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-row {
    grid-template-columns: 6.5rem minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem;
  }

  .page-contact .pairing__row {
    grid-template-columns: minmax(0, 0.3fr) minmax(0, 0.7fr);
    gap: 1.5rem;
    align-items: baseline;
    padding: 1.5rem 0;
  }

  .page-contact .link-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-contact .process__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: center;
    gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-contact .process-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
    padding-top: 2.5rem;
    position: relative;
  }

  .page-contact .process-band::before {
    content: "";
    position: absolute;
    top: 4px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--glacier), var(--neon), var(--print), var(--dusk));
  }

  .page-contact .process-step {
    padding-top: 0;
  }

  .page-contact .process-step__dot {
    position: absolute;
    top: -2.5rem;
    left: 0;
    margin: 0;
  }

  .page-contact .region-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 1080px) {
  .page-contact .direction-list {
    gap: 1.35rem;
  }

  .page-contact .direction:nth-child(2) {
    margin-left: clamp(0px, 3vw, 2.5rem);
  }

  .page-contact .direction:nth-child(4) {
    margin-left: clamp(0px, 3vw, 2.5rem);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .direction,
  .page-contact .filter-btn,
  .page-contact .link-strip a,
  .page-contact .contact-row .btn--copy,
  .page-contact .aside-nav a {
    transition: none;
  }

  .page-contact .direction:hover,
  .page-contact .direction:focus-within {
    transform: none;
  }
}
</main>