.page-contact {
  --pc-panel: var(--c-card);
  --pc-pad: clamp(18px, 3.2vw, 34px);
  --pc-gap: clamp(16px, 2.6vw, 28px);
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--c-text);
}

.page-contact .breadcrumbs {
  margin-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: 1fr;
}

.page-contact .contact-hero__main h1 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -1%;
  line-height: 1.04;
  font-size: clamp(34px, 7vw, 62px);
  margin: 12px 0 18px;
  text-transform: uppercase;
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--c-text);
  margin: 0 0 clamp(22px, 3.4vw, 34px);
}

.page-contact .channel-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .channel-lines__item {
  display: grid;
  gap: 4px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease-out);
}

.page-contact .channel-lines__key {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-contact .channel-lines__val {
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.2vw, 26px);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--c-text);
  word-break: break-word;
}

.page-contact .channel-lines__note {
  font-size: 13px;
  color: var(--c-muted);
}

.page-contact .channel-lines__item:hover,
.page-contact .channel-lines__item:focus-within {
  border-bottom-color: var(--c-neon);
}

/* 反馈清单卡 */
.page-contact .brief-card {
  position: relative;
  background: var(--c-ink-deep);
  border: 1px solid var(--line);
  border-radius: var(--r-organic-lg);
  padding: var(--pc-pad);
  overflow: hidden;
}

.page-contact .brief-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 26px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 26px 100%;
  opacity: .35;
  pointer-events: none;
  mask-image: radial-gradient(120% 80% at 100% 0%, #000 0%, transparent 78%);
}

.page-contact .brief-card__kicker {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-neon);
  margin: 0 0 6px;
}

.page-contact .brief-card__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: -.01em;
  margin: 0 0 18px;
}

.page-contact .brief-list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .brief-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-contact .brief-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-neon-soft);
  padding-top: 3px;
}

.page-contact .brief-card .btn {
  position: relative;
  z-index: 1;
}

/* ---------- 渠道一览 ---------- */
.page-contact .channels-layout {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: 1fr;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .channel-blocks {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .channel-block {
  background: var(--pc-panel);
  border: 1px solid var(--line);
  border-radius: 4px 20px 4px 20px;
  padding: var(--pc-pad);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.page-contact .channel-block:hover,
.page-contact .channel-block:focus-within {
  border-color: var(--c-neon);
  transform: translateY(-2px);
}

.page-contact .channel-block__kicker {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-neon);
  margin: 0 0 6px;
}

.page-contact .channel-block__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-muted);
  margin: 0 0 10px;
}

.page-contact .channel-block__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-text);
  margin: 0 0 12px;
  word-break: break-word;
}

.page-contact .channel-block__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  margin: 0;
}

.page-contact .channel-figure {
  margin: 0;
}

.page-contact .channel-figure figcaption,
.page-contact .rhythm-figure figcaption {
  font-size: 12px;
  color: var(--c-muted);
  padding: 10px 2px 0;
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm-band {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
  border-left: 2px solid var(--line);
}

.page-contact .rhythm-step {
  position: relative;
  padding: 0 0 26px 22px;
}

.page-contact .rhythm-step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-ink);
  border: 2px solid var(--c-neon);
  box-shadow: 0 0 0 4px rgba(0, 229, 199, .12);
}

.page-contact .rhythm-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-neon);
  margin-bottom: 6px;
}

.page-contact .rhythm-step__name {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: -.01em;
  margin: 0 0 8px;
}

.page-contact .rhythm-step__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  margin: 0;
  max-width: 40ch;
}

.page-contact .rhythm-extra {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: 1fr;
  margin-top: clamp(10px, 2vw, 18px);
}

.page-contact .rhythm-figure {
  margin: 0;
}

.page-contact .rhythm-note {
  background: var(--c-ink-deep);
  border: 1px solid var(--line);
  border-left: 4px solid var(--c-orange);
  border-radius: 2px 16px 2px 16px;
  padding: var(--pc-pad);
}

.page-contact .rhythm-note__title {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--c-orange-soft);
  margin: 0 0 10px;
}

.page-contact .rhythm-note p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-muted);
  margin: 0 0 10px;
}

.page-contact .rhythm-note p:last-child {
  margin-bottom: 0;
}

.page-contact .rhythm-note .link,
.page-contact .coop-card .link,
.page-contact .form-send .link {
  color: var(--c-neon-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .rhythm-note .link:focus-visible,
.page-contact .coop-card .link:focus-visible,
.page-contact .form-send .link:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

/* ---------- 建议与合作 ---------- */
.page-contact .coop-grid {
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--pc-pad);
}

.page-contact .coop-card__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 21px);
  letter-spacing: -.01em;
  margin: 0;
}

.page-contact .coop-card__body {
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-muted);
  margin: 0;
  flex: 1 1 auto;
}

.page-contact .coop-card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-neon-soft);
  border-top: 1px dashed var(--line-strong);
  padding-top: 10px;
  margin: 0;
}

.page-contact .coop-card .tag {
  align-self: flex-start;
}

/* ---------- 提交入口 ---------- */
.page-contact .form-shell {
  margin-top: clamp(22px, 3.4vw, 34px);
  background: var(--pc-panel);
  border: 1px solid var(--line);
  border-radius: var(--r-organic-lg);
  padding: var(--pc-pad);
  display: grid;
  gap: 22px;
}

.page-contact .field-row {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .field-row:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .field-label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-contact .field-control {
  display: grid;
  gap: 7px;
}

.page-contact .field-input {
  width: 100%;
  box-sizing: border-box;
  background: var(--c-ink-deep);
  border: 1px solid var(--line-strong);
  border-radius: 4px 12px 4px 12px;
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  padding: 11px 14px;
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

.page-contact .field-input::placeholder {
  color: var(--c-muted);
  opacity: .8;
}

.page-contact .field-input:hover {
  border-color: var(--c-neon-soft);
}

.page-contact .field-input:focus {
  outline: none;
  border-color: var(--c-orange);
  box-shadow: 0 0 0 2px rgba(255, 107, 53, .22);
}

.page-contact .field-input--area {
  resize: vertical;
  min-height: 96px;
  font-family: var(--font-body);
}

.page-contact .field-hint {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-muted);
  margin: 0;
}

.page-contact .type-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .type-chip {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-ink);
  background: var(--c-neon-soft);
  border-radius: 3px 10px 3px 10px;
  padding: 2px 9px;
  margin-right: 8px;
  vertical-align: 1px;
}

.page-contact .form-send {
  background: var(--c-ink-abyss);
  border: 1px solid var(--line);
  border-left: 4px solid var(--c-neon);
  border-radius: 2px 16px 2px 16px;
  padding: 18px var(--pc-pad);
}

.page-contact .form-send__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
  margin: 0;
}

.page-contact .form-send__mail {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-text);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-blocks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-block:first-child {
    grid-column: 1 / -1;
  }

  .page-contact .field-row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-contact .field-label {
    text-align: right;
    padding-top: 12px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1.18fr .82fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-contact .channel-lines__item {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    padding: 18px 0;
  }

  .page-contact .channel-lines__key {
    grid-row: 1 / span 2;
  }

  .page-contact .channels-layout {
    grid-template-columns: 1.35fr .65fr;
    align-items: start;
  }

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

  .page-contact .rhythm-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-left: 0;
    border-top: 2px solid var(--line);
  }

  .page-contact .rhythm-step {
    padding: 26px 22px 10px 0;
  }

  .page-contact .rhythm-step::before {
    left: 0;
    top: -7px;
  }

  .page-contact .rhythm-step__desc {
    max-width: 32ch;
  }

  .page-contact .rhythm-extra {
    grid-template-columns: 1.1fr .9fr;
    align-items: stretch;
    margin-top: clamp(28px, 4vw, 44px);
  }

  .page-contact .form-shell {
    padding: clamp(26px, 3vw, 40px);
  }

  .page-contact .field-row {
    grid-template-columns: 190px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-block,
  .page-contact .field-input {
    transition: none;
  }

  .page-contact .channel-block:hover,
  .page-contact .channel-block:focus-within {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>