.page-contact {
  --contact-spec-key: 132px;
  background: var(--ink-900);
  color: var(--mist-100);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .contact-intro {
  max-width: var(--frame);
  padding-top: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .contact-intro h1 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 7vw, 64px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  transform: skewX(-3deg);
  transform-origin: left center;
  max-width: 20ch;
}

.page-contact .contact-lede {
  margin: 20px 0 0;
  max-width: 62ch;
  color: var(--rock-400);
  font-size: var(--fs-17);
  line-height: 1.78;
}

/* ---------- 联系方式色块 ---------- */

.page-contact .contact-slab {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--pulse-400);
  background: var(--ink-800);
  padding: clamp(22px, 4.5vw, 52px);
}

.page-contact .contact-slab__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .contact-slab__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-contact .contact-slab__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, var(--ink-800) 28%, rgba(12, 30, 25, 0.5) 100%);
}

.page-contact .contact-slab h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 40px);
  letter-spacing: 0.01em;
}

.page-contact .reach-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .reach-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--grid-600);
}

.page-contact .reach-row:last-child {
  border-bottom: 1px solid var(--grid-600);
}

.page-contact .reach-row__idx {
  color: var(--pulse-400);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
}

.page-contact .reach-row__label {
  color: var(--rock-400);
  font-size: var(--fs-13);
  letter-spacing: 0.12em;
}

.page-contact .reach-row__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 21px);
  letter-spacing: 0.02em;
  color: var(--mist-100);
  overflow-wrap: anywhere;
}

.page-contact .reach-row__note {
  color: var(--rock-400);
  font-size: var(--fs-13);
  line-height: 1.65;
}

.page-contact .slab-foot {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--grid-600);
  color: var(--amber-400);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  line-height: 1.7;
}

/* ---------- 诉求分线 ---------- */

.page-contact .contact-router {
  margin-top: clamp(52px, 8vw, 100px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: var(--rule);
}

.page-contact .router-head h2,
.page-contact .section-head h2,
.page-contact .rhythm__text h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.15;
}

.page-contact .router-note,
.page-contact .section-note {
  margin: 12px 0 0;
  max-width: 58ch;
  color: var(--rock-400);
  font-size: var(--fs-15);
  line-height: 1.75;
}

.page-contact .section-note a,
.page-contact .rhythm-note a,
.page-contact .spec__row a {
  color: var(--pulse-400);
  text-decoration: none;
  border-bottom: 1px solid var(--pulse-700);
}

.page-contact .section-note a:hover,
.page-contact .rhythm-note a:hover,
.page-contact .spec__row a:hover {
  border-bottom-color: var(--pulse-400);
}

.page-contact .contact-router .segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  padding: 0;
  border: 0;
}

.page-contact .segmented__btn {
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--grid-600);
  border-radius: 0;
  background: transparent;
  color: var(--rock-400);
  font-family: var(--font-body);
  font-size: var(--fs-15);
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .segmented__btn:hover {
  border-color: var(--moss-500);
  color: var(--mist-100);
}

.page-contact .segmented__btn[aria-selected="true"] {
  border-color: var(--pulse-400);
  background: var(--pulse-400);
  color: var(--ink-900);
  font-weight: 600;
}

.page-contact .segmented__btn:focus-visible {
  outline: 2px solid var(--pulse-400);
  outline-offset: 2px;
}

.page-contact .segment-panel {
  margin-top: 22px;
  padding: clamp(20px, 4vw, 38px);
  border: 1px solid var(--grid-600);
  border-left: 2px solid var(--pulse-700);
  background: var(--ink-800);
}

.page-contact .segment-panel[hidden] {
  display: none;
}

.page-contact .panel-flag {
  margin: 0 0 20px;
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--grid-600);
  background: var(--ink-700);
  color: var(--sand-200);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
}

.page-contact .spec {
  display: grid;
  gap: 20px;
}

.page-contact .spec__row {
  display: grid;
  gap: 6px;
}

.page-contact .spec__key {
  color: var(--pulse-400);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
}

.page-contact .spec__row p {
  margin: 0;
  max-width: 64ch;
  color: var(--mist-100);
  font-size: var(--fs-15);
  line-height: 1.78;
}

.page-contact .spec__row .mono {
  color: var(--amber-400);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 准备清单 ---------- */

.page-contact .contact-prep {
  margin-top: clamp(52px, 8vw, 100px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: var(--rule);
}

.page-contact .prep-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 6px 14px;
  padding: 20px 0;
  border-bottom: var(--rule);
}

.page-contact .prep-item:first-child {
  border-top: var(--rule);
}

.page-contact .prep-item__num {
  font-size: var(--fs-21);
  color: var(--amber-400);
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.page-contact .prep-item h3 {
  margin: 0 0 6px;
  font-size: var(--fs-17);
  font-weight: 600;
  color: var(--mist-100);
}

.page-contact .prep-item p {
  margin: 0;
  max-width: 62ch;
  color: var(--rock-400);
  font-size: var(--fs-15);
  line-height: 1.75;
}

/* ---------- 合作方向 ---------- */

.page-contact .contact-tracks {
  margin-top: clamp(52px, 8vw, 100px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: var(--rule);
}

.page-contact .track-list {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .track {
  padding: 20px 22px;
  background: var(--ink-800);
  border-left: 2px solid var(--amber-400);
}

.page-contact .track__meta {
  margin: 0 0 8px;
  color: var(--rock-400);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
}

.page-contact .track h3 {
  margin: 0 0 8px;
  font-size: var(--fs-17);
  font-weight: 600;
  color: var(--mist-100);
}

.page-contact .track p {
  margin: 0;
  max-width: 66ch;
  color: var(--rock-400);
  font-size: var(--fs-15);
  line-height: 1.75;
}

/* ---------- 回复节奏 ---------- */

.page-contact .rhythm {
  display: grid;
  gap: 30px;
  margin-top: clamp(52px, 8vw, 100px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: var(--rule);
}

.page-contact .rhythm-list {
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .rhythm-row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--grid-600);
}

.page-contact .rhythm-row:last-child {
  border-bottom: 1px solid var(--grid-600);
}

.page-contact .rhythm-row dt {
  color: var(--pulse-400);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
}

.page-contact .rhythm-row dd {
  margin: 0;
  max-width: 58ch;
  color: var(--mist-100);
  font-size: var(--fs-15);
  line-height: 1.78;
}

.page-contact .rhythm-note {
  margin: 20px 0 0;
  max-width: 58ch;
  color: var(--rock-400);
  font-size: var(--fs-13);
  line-height: 1.75;
}

.page-contact .rhythm__figure {
  border: 1px solid var(--grid-600);
  background: var(--ink-800);
}

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

.page-contact .rhythm__figure .media-frame__cap {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--grid-600);
  color: var(--rock-400);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  line-height: 1.6;
}

/* ---------- 收束刻度 ---------- */

.page-contact .contact-tick {
  height: 10px;
  margin-top: clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--grid-600);
  background-image: repeating-linear-gradient(
    to right,
    var(--grid-600) 0,
    var(--grid-600) 1px,
    transparent 1px,
    transparent 14px
  );
  background-position: top left;
  background-repeat: repeat-x;
  background-size: 14px 10px;
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-contact .spec__row {
    grid-template-columns: var(--contact-spec-key) minmax(0, 1fr);
    gap: 8px 24px;
    align-items: start;
  }

  .page-contact .prep-item {
    grid-template-columns: 3.4rem minmax(0, 1fr);
    gap: 8px 20px;
    padding: 24px 0;
  }

  .page-contact .track-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .track {
    padding: 22px 20px;
  }
}

@media (min-width: 860px) {
  .page-contact .reach-row {
    display: grid;
    grid-template-columns: 44px 96px minmax(0, 1fr) minmax(0, 240px);
    gap: 0 18px;
    align-items: baseline;
  }

  .page-contact .rhythm-row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 6px 24px;
    align-items: baseline;
  }
}

@media (min-width: 980px) {
  .page-contact .rhythm {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-intro h1 {
    max-width: 24ch;
  }
}

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