.page-contact {
  --pc-hair: rgba(201, 192, 174, 0.18);
  --pc-line: rgba(201, 192, 174, 0.34);
  --pc-shadow: 6px 6px 0 rgba(11, 15, 14, 0.32);
  background: var(--ink);
  color: var(--chalk);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -14%;
  width: min(620px, 74vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(227, 58, 46, 0.22), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(18px, 3.5vw, 34px);
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4.2rem, 21vw, 12rem);
  line-height: 0.82;
  letter-spacing: -0.02em;
  color: var(--chalk);
  transform: skewX(-4deg);
  transform-origin: left bottom;
  text-shadow: 7px 7px 0 rgba(227, 58, 46, 0.3);
}

.page-contact .contact-hero__title span {
  color: var(--red);
}

.page-contact .contact-hero__sub {
  margin: 14px 0 0;
  font-family: var(--font-editorial);
  font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  color: var(--chalk);
}

.page-contact .contact-hero__lede {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: clamp(0.98rem, 2.2vw, 1.06rem);
  line-height: 1.75;
  color: var(--chalk-dim);
}

.page-contact .contact-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--chalk);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-contact .contact-pill:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  transform: translateY(-2px);
}

.page-contact .contact-pill:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 1px solid var(--pc-hair);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--pc-shadow);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: contrast(1.08) saturate(1.05);
}

/* ---------- 通用章节头 ---------- */
.page-contact .pc-head {
  margin-bottom: clamp(22px, 3.5vw, 36px);
  max-width: 62ch;
}

.page-contact .pc-head__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
}

.page-contact .pc-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-contact .pc-head__note {
  margin: 12px 0 0;
  font-size: 0.98rem;
  line-height: 1.72;
  color: var(--chalk-dim);
}

.page-contact .section--paper .pc-head__index {
  color: var(--red-deep);
}

.page-contact .section--paper .pc-head__title {
  color: var(--ink);
}

.page-contact .section--paper .pc-head__note {
  color: rgba(11, 15, 14, 0.72);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-directions {
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--pit);
  border-block: 1px solid var(--pc-hair);
}

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

.page-contact .direction-card {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--ink);
  border: 1px solid var(--pc-hair);
  border-radius: var(--radius-card);
  box-shadow: var(--pc-shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .direction-card:hover {
  border-color: var(--red);
  transform: translateY(-2px);
}

.page-contact .direction-card--accent {
  border-top: 3px solid var(--yellow);
}

.page-contact .direction-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--red);
}

.page-contact .direction-card__tag {
  margin: 12px 0 0;
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--yellow);
}

.page-contact .direction-card__title {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.24rem;
  line-height: 1.2;
  color: var(--chalk);
}

.page-contact .direction-card__body {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--chalk-dim);
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--paper);
  color: var(--ink);
}

.page-contact .channel-layout {
  display: grid;
  gap: 16px;
}

.page-contact .channel-panel {
  padding: clamp(20px, 3vw, 32px);
  background: var(--bos);
  border: 1px solid var(--pc-hair);
  border-radius: var(--radius-card);
  color: var(--chalk);
  box-shadow: var(--pc-shadow);
}

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

.page-contact .channel-row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--pc-line);
}

.page-contact .channel-row:first-child {
  padding-top: 0;
}

.page-contact .channel-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .channel-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(1rem, 2.4vw, 1.14rem);
  line-height: 1.5;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-contact .channel-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pc-line);
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--chalk-dim);
}

.page-contact .channel-aside {
  padding: clamp(20px, 3vw, 28px);
  background: var(--chalk);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--red);
  border-radius: var(--radius-card);
  color: var(--ink);
}

.page-contact .channel-aside__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red-deep);
}

.page-contact .channel-aside__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-aside__list li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 0.92rem;
  line-height: 1.66;
  border-bottom: 1px solid rgba(11, 15, 14, 0.1);
}

.page-contact .channel-aside__list li:last-child {
  border-bottom: 0;
}

.page-contact .channel-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--yellow);
  box-shadow: inset 0 0 0 1px rgba(11, 15, 14, 0.25);
}

.page-contact .channel-aside__foot {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--red-deep);
}

/* ---------- 推进流程 ---------- */
.page-contact .contact-process {
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--ink);
}

.page-contact .process-layout {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .process-intro__note {
  margin: 14px 0 0;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--chalk-dim);
}

.page-contact .process-intro__btn {
  margin-top: 22px;
}

.page-contact .process-list {
  position: relative;
  margin: 0;
  padding: 0 0 0 34px;
  list-style: none;
}

.page-contact .process-list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--red), var(--yellow));
}

.page-contact .process-step {
  position: relative;
  padding-bottom: 26px;
}

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

.page-contact .process-step::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--yellow);
}

.page-contact .process-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--red);
}

.page-contact .process-step__title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--chalk);
}

.page-contact .process-step__body {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--chalk-dim);
}

/* ---------- 服务覆盖 ---------- */
.page-contact .contact-scope {
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--pit);
  border-block: 1px solid var(--pc-hair);
}

.page-contact .scope-bar {
  margin: clamp(18px, 3vw, 30px) 0 clamp(20px, 3vw, 30px);
}

.page-contact .scope-bar svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .scope-bar__caption {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yellow);
}

.page-contact .scope-facts {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .scope-fact {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  background: var(--ink);
  border: 1px solid var(--pc-hair);
  border-radius: var(--radius-card);
}

.page-contact .scope-fact--highlight {
  border-left: 4px solid var(--yellow);
}

.page-contact .scope-fact__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2rem);
  line-height: 1;
  color: var(--yellow);
}

.page-contact .scope-fact__label {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--chalk-dim);
}

/* ---------- 反馈与处理 ---------- */
.page-contact .contact-feedback {
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--ink);
}

.page-contact .feedback-card {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  padding: clamp(22px, 3.5vw, 40px);
  background: linear-gradient(135deg, var(--bos), var(--pitch));
  border: 1px solid var(--pc-hair);
  border-left: 5px solid var(--red);
  border-radius: var(--radius-card);
}

.page-contact .feedback-card__body {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--chalk-dim);
}

.page-contact .feedback-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .feedback-card__meta {
  margin: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .feedback-card__meta div {
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pc-line);
}

.page-contact .feedback-card__meta div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .feedback-card__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-contact .feedback-card__meta dd {
  margin: 6px 0 0;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

/* ---------- 资料准备 ---------- */
.page-contact .contact-materials {
  padding-block: clamp(38px, 6vw, 76px) clamp(48px, 7vw, 92px);
  background: var(--ink);
  border-top: 1px solid var(--pc-hair);
}

.page-contact .materials-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .materials-copy__note {
  margin: 12px 0 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--chalk-dim);
}

.page-contact .materials-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .materials-list li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--pitch);
  border: 1px solid var(--pc-hair);
  border-radius: 12px;
}

.page-contact .materials-list__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

.page-contact .materials-list__desc {
  font-size: 0.92rem;
  line-height: 1.66;
  color: var(--chalk-dim);
}

.page-contact .materials-copy__links {
  margin: 22px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--chalk-dim);
}

.page-contact .materials-copy__links a {
  color: var(--chalk);
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-underline-offset: 3px;
}

.page-contact .materials-copy__links a:hover {
  color: var(--yellow);
}

.page-contact .materials-copy__links a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-contact .materials-media {
  margin: 0;
  border: 1px solid var(--pc-hair);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--pc-shadow);
}

.page-contact .materials-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .materials-media .media-frame__caption {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--chalk-dim);
  background: var(--bos);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-row {
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

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

  .page-contact .scope-fact {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (min-width: 768px) {
  .page-contact .direction-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }

  .page-contact .process-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .feedback-card {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
  }

  .page-contact .materials-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .direction-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-hero__title {
    margin-top: -0.06em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-pill,
  .page-contact .direction-card {
    transition: none;
  }

  .page-contact .contact-pill:hover,
  .page-contact .direction-card:hover {
    transform: none;
  }
}

.page-contact {
  --pit: transparent;
}