.page-contact {
  --c-hair: rgba(20, 22, 26, .14);
  --c-hair-dark: rgba(53, 230, 224, .22);
  --c-ink-body: #2A2F36;
  --c-paper-alt: #EDE6D9;
  display: block;
  padding-bottom: clamp(44px, 7vw, 92px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(16px, 3.4vw, 34px) 0 0;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  max-width: 15ch;
  font-family: var(--fy-font-display);
  font-weight: 900;
  font-size: clamp(29px, 7vw, 56px);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--fy-paper);
}

.page-contact .contact-hero__lead {
  margin: 16px 0 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(246, 241, 231, .74);
}

/* ---------- 联络矩阵 ---------- */
.page-contact .contact-matrix {
  position: relative;
  margin-top: clamp(26px, 4.4vw, 46px);
  padding: clamp(30px, 5vw, 56px) 0;
  border-top: 1px solid var(--c-hair-dark);
  border-bottom: 1px solid var(--c-hair-dark);
  overflow: hidden;
}

.page-contact .contact-matrix__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .3;
}

.page-contact .contact-matrix__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90% 120% at 8% 0%, rgba(42, 19, 87, .9), transparent 60%),
    linear-gradient(155deg, rgba(10, 24, 48, .95), rgba(10, 24, 48, .78) 55%, rgba(22, 80, 140, .55));
}

.page-contact .contact-matrix__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-matrix__heading {
  margin: 0;
  font-family: var(--fy-font-body);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--fy-cyan);
}

.page-contact .contact-matrix__grid {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .contact-matrix__cell {
  display: grid;
  align-content: start;
  gap: 12px;
  transition: transform .4s var(--fy-ease);
}

.page-contact .contact-matrix__cell .fy-tag {
  justify-self: start;
}

.page-contact .contact-matrix__value {
  display: block;
  font-family: var(--fy-font-mono);
  font-size: clamp(15px, 2.6vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--fy-paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-matrix__value--addr {
  font-family: var(--fy-font-body);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.7;
}

.page-contact .contact-matrix__note {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 241, 231, .62);
}

@media (hover: hover) {
  .page-contact .contact-matrix__cell:hover {
    transform: translateY(-6px);
  }
}

/* ---------- 册页区块 ---------- */
.page-contact .contact-paper {
  margin-top: clamp(22px, 3.4vw, 34px);
  padding: clamp(22px, 4.2vw, 46px);
  background: var(--fy-paper);
  color: var(--fy-ink);
  border: 1px solid var(--c-hair);
  border-radius: var(--fy-radius-lg);
}

.page-contact .contact-kicker {
  display: block;
  margin: 0;
  font-family: var(--fy-font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--fy-deep-orange);
}

.page-contact .contact-kicker--muted {
  color: var(--fy-slate);
}

.page-contact .contact-h2 {
  margin: 10px 0 0;
  font-family: var(--fy-font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.8vw, 34px);
  line-height: 1.24;
  color: var(--fy-ink);
}

.page-contact .contact-h2--light {
  color: var(--fy-paper);
}

.page-contact .contact-h3 {
  margin: 12px 0 0;
  font-family: var(--fy-font-body);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.5;
  color: var(--fy-ink);
}

.page-contact .contact-body {
  margin: 14px 0 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink-body);
}

.page-contact .contact-body--light {
  color: rgba(246, 241, 231, .72);
}

.page-contact .contact-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-paper-alt);
  font-size: 14px;
  line-height: 1.8;
  color: var(--fy-slate);
}

.page-contact .contact-note--block {
  margin-top: 26px;
  max-width: 46em;
  border-left-color: var(--fy-deep-orange);
  color: #3D4650;
}

.page-contact .contact-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .contact-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-body);
}

.page-contact .contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 8px;
  height: 2px;
  background: var(--fy-deep-orange);
}

.page-contact .contact-list strong {
  font-weight: 800;
  color: var(--fy-ink);
}

/* ---------- 两条渠道 ---------- */
.page-contact .contact-lanes {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

/* ---------- 地址 ---------- */
.page-contact .contact-place__grid {
  display: grid;
  gap: 26px;
}

.page-contact .contact-place__addr {
  display: block;
  margin: 18px 0 0;
  padding: 16px 18px;
  background: var(--c-paper-alt);
  border-left: 3px solid var(--fy-blue);
  font-style: normal;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.75;
  color: var(--fy-ink);
}

.page-contact .contact-place__viz {
  color: var(--fy-blue);
}

.page-contact .contact-map {
  display: block;
  width: 100%;
  height: auto;
  max-height: 240px;
}

.page-contact .contact-map__pin {
  fill: var(--fy-deep-orange);
}

.page-contact .contact-place__caption {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fy-slate);
}

/* ---------- 协作方向 ---------- */
.page-contact .contact-collab {
  margin-top: clamp(24px, 4vw, 42px);
  padding: clamp(26px, 4.4vw, 54px);
  border: 1px solid var(--c-hair-dark);
  border-radius: var(--fy-radius-lg);
  background:
    radial-gradient(110% 90% at 6% 0%, rgba(42, 19, 87, .85), transparent 62%),
    linear-gradient(150deg, rgba(10, 24, 48, .92), rgba(22, 80, 140, .3));
}

.page-contact .contact-collab__grid {
  display: grid;
  gap: 26px;
  margin-top: 24px;
}

.page-contact .collab-cards {
  display: grid;
  gap: 14px;
}

.page-contact .collab-card {
  position: relative;
  padding: 22px 22px 20px;
  background: rgba(246, 241, 231, .05);
  border: 1px solid rgba(53, 230, 224, .2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .collab-card__num {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--fy-cyan);
}

.page-contact .collab-card__title {
  margin: 8px 0 0;
  font-family: var(--fy-font-body);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
  color: var(--fy-paper);
}

.page-contact .collab-card__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(246, 241, 231, .68);
}

.page-contact .collab-card__more {
  margin-top: 16px;
  border-top: 1px solid rgba(53, 230, 224, .16);
}

.page-contact .collab-card__more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0 0;
  cursor: pointer;
  list-style: none;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--fy-cyan);
}

.page-contact .collab-card__more summary::-webkit-details-marker {
  display: none;
}

.page-contact .collab-card__more summary::after {
  content: "+";
  font-family: var(--fy-font-mono);
  font-size: 15px;
  line-height: 1;
}

.page-contact .collab-card__more[open] summary::after {
  content: "\2013";
}

.page-contact .collab-card__list {
  list-style: none;
  margin: 12px 0 2px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .collab-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(246, 241, 231, .74);
}

.page-contact .collab-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--fy-cyan);
  transform: rotate(45deg);
}

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

.page-contact .contact-collab__figure .fy-media__caption {
  color: rgba(246, 241, 231, .6);
}

/* ---------- 流转环节 ---------- */
.page-contact .flow-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .flow-step {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-hair);
}

.page-contact .flow-step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .flow-step__num {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--fy-deep-orange);
}

.page-contact .flow-step__title {
  margin: 8px 0 0;
  font-family: var(--fy-font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  color: var(--fy-ink);
}

.page-contact .flow-step__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-ink-body);
}

.page-contact .contact-links {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--c-hair);
}

.page-contact .contact-link {
  display: block;
  padding: 12px 16px;
  background: var(--c-paper-alt);
  border-left: 3px solid var(--fy-blue);
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--fy-ink);
  text-decoration: none;
  transition: background-color .25s var(--fy-ease), transform .25s var(--fy-ease);
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  background: #DED5C4;
  transform: translateX(3px);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 620px) {
  .page-contact .contact-links {
    grid-template-columns: 1fr 1fr;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 880px) {
  .page-contact .contact-matrix__grid {
    grid-template-columns: 1fr 1fr 1.35fr;
    gap: 0;
    align-items: start;
  }

  .page-contact .contact-matrix__cell {
    padding: 0 30px;
    border-left: 1px solid var(--c-hair-dark);
  }

  .page-contact .contact-matrix__cell:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .contact-matrix__cell:last-child {
    padding-right: 0;
  }

  .page-contact .contact-lanes {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-contact .contact-lane {
    padding: 0 34px;
    border-left: 1px solid var(--c-hair);
  }

  .page-contact .contact-lane:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .contact-lane:last-child {
    padding-right: 0;
  }

  .page-contact .contact-place__grid {
    grid-template-columns: 1.25fr .75fr;
    gap: 40px;
    align-items: center;
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .page-contact .flow-step {
    padding: 0 24px 0;
    border-bottom: 0;
    border-left: 1px solid var(--c-hair);
  }

  .page-contact .flow-step:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .flow-step:last-child {
    padding-right: 0;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-collab__grid {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
    gap: 34px;
    align-items: start;
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-matrix__cell,
  .page-contact .contact-link {
    transition: none;
  }

  .page-contact .contact-matrix__cell:hover {
    transform: none;
  }

  .page-contact .contact-link:hover,
  .page-contact .contact-link:focus-visible {
    transform: none;
  }
}