.page-contact {
  --pc-pad: clamp(2.6rem, 6vw, 5rem);
  --pc-gap: clamp(1rem, 2.2vw, 1.75rem);
  --pc-white: #ffffff;
  background: var(--mist);
  color: var(--ink-700);
}

.page-contact h2 {
  font-size: var(--fs-h2);
  font-weight: 300;
  letter-spacing: -0.015em;
  line-height: 1.12;
  margin: 0.5rem 0 0.85rem;
  color: var(--ink-800);
}

.page-contact .eyebrow {
  color: var(--muted);
}

/* ---------- hero ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-800);
  color: var(--text-light);
  padding: clamp(1.4rem, 3vw, 2.2rem) 0 var(--pc-pad);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, var(--line-dark-soft) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(0deg, var(--line-dark-soft) 0 1px, transparent 1px 80px);
  opacity: 0.7;
}

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

.page-contact .contact-hero .breadcrumb {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.page-contact .contact-hero .breadcrumb a {
  color: var(--text-light);
  text-decoration: none;
}

.page-contact .contact-hero .breadcrumb a:hover,
.page-contact .contact-hero .breadcrumb a:focus-visible {
  color: var(--orange);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(1.4rem, 3.5vw, 2.6rem);
}

.page-contact .contact-hero h1 {
  margin: 0.6rem 0 0;
  font-size: var(--fs-display);
  font-weight: 300;
  line-height: 0.96;
  letter-spacing: -0.025em;
  color: #ffffff;
}

.page-contact .contact-hero h1 .accent {
  color: var(--orange);
  font-weight: 600;
}

.page-contact .contact-hero .lead {
  margin: 1.1rem 0 0;
  max-width: 46ch;
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(232, 238, 245, 0.86);
}

.page-contact .contact-hero__note {
  margin: 0.9rem 0 0;
  max-width: 46ch;
  padding-left: 0.9rem;
  border-left: 2px solid var(--orange);
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(232, 238, 245, 0.72);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 1px solid var(--line-dark);
  background: var(--ink-900);
  max-width: 100%;
}

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

/* ---------- 联系渠道 ---------- */

.page-contact .contact-channels {
  padding: var(--pc-pad) 0;
  background: var(--mist);
}

.page-contact .ch-head {
  max-width: 64ch;
}

.page-contact .ch-head .lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink-700);
}

.page-contact .ch-list {
  list-style: none;
  margin: clamp(1.7rem, 4vw, 2.6rem) 0 0;
  padding: 0;
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .ch-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.2rem, 2.4vw, 1.8rem);
  background: var(--pc-white);
  border: 1px solid var(--line-light);
  border-top: 2px solid var(--ink-800);
}

.page-contact .ch-card--mail {
  background: var(--ink-800);
  border-color: var(--ink-700);
  border-top-color: var(--orange);
  color: var(--text-light);
}

.page-contact .ch-card__index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .ch-card__title {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 500;
  color: var(--ink-800);
}

.page-contact .ch-card--mail .ch-card__title {
  color: #ffffff;
}

.page-contact .ch-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-800);
  word-break: break-word;
}

.page-contact .ch-card--mail .ch-card__value {
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  color: var(--orange-soft);
}

.page-contact .ch-card__text {
  margin: 0 0 0.4rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ch-card--mail .ch-card__text {
  color: rgba(232, 238, 245, 0.78);
}

.page-contact .copy-btn {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  background: transparent;
  border: 1px solid var(--orange);
  border-radius: 0;
  color: var(--orange);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--orange);
  color: var(--ink-900);
}

.page-contact .copy-btn[data-copied="true"] {
  background: transparent;
  border-color: var(--green);
  color: var(--green);
}

/* ---------- 响应节奏 ---------- */

.page-contact .contact-flow {
  padding: var(--pc-pad) 0;
  background: var(--ink-900);
  color: var(--text-light);
}

.page-contact .contact-flow h2 {
  color: #ffffff;
}

.page-contact .contact-flow .eyebrow {
  color: var(--orange-soft);
}

.page-contact .flow-grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-contact .flow-intro .lead {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.9;
  color: rgba(232, 238, 245, 0.82);
}

.page-contact .flow-note {
  margin: 1rem 0 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--line-dark);
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(232, 238, 245, 0.66);
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.page-contact .flow-steps .steps__item {
  background: var(--ink-800);
  padding: clamp(1.05rem, 2.2vw, 1.5rem) clamp(1.05rem, 2.2vw, 1.6rem);
  border-left: 2px solid transparent;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .flow-steps .steps__item:hover {
  border-left-color: var(--orange);
  background: var(--ink-700);
}

.page-contact .flow-steps .steps__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .flow-steps .steps__title {
  margin: 0.35rem 0 0.4rem;
  font-size: 1.03rem;
  font-weight: 500;
  color: #ffffff;
}

.page-contact .flow-steps .steps__body {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.8;
  color: rgba(232, 238, 245, 0.74);
}

/* ---------- 联系前准备 ---------- */

.page-contact .contact-prep {
  padding: var(--pc-pad) 0;
  background: var(--mist);
}

.page-contact .prep-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.4rem);
  margin-top: clamp(1.6rem, 3.5vw, 2.4rem);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-light);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.15rem 0.9rem;
  padding: 0.95rem 0.2rem;
  background: var(--mist);
}

.page-contact .prep-num {
  grid-row: span 2;
  padding-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--orange);
}

.page-contact .prep-list h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-800);
}

.page-contact .prep-list p {
  margin: 0.2rem 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .mail-draft {
  position: relative;
  padding: clamp(1.2rem, 2.4vw, 1.8rem);
  background: var(--pc-white);
  border: 1px solid var(--ink-800);
}

.page-contact .mail-draft::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 46px;
  height: 3px;
  background: var(--orange);
}

.page-contact .mail-draft__label {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .mail-draft__subject {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--ink-800);
}

.page-contact .mail-draft__list {
  list-style: none;
  margin: 0 0 1.3rem;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-contact .mail-draft__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-contact .mail-draft__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 服务覆盖 ---------- */

.page-contact .contact-scale {
  padding: var(--pc-pad) 0;
  background: var(--ink-800);
  color: var(--text-light);
}

.page-contact .contact-scale h2 {
  color: #ffffff;
}

.page-contact .contact-scale .eyebrow {
  color: var(--orange-soft);
}

.page-contact .scale-grid {
  display: grid;
  gap: 1px;
  margin-top: 1.4rem;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.page-contact .scale-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
  background: var(--ink-900);
}

.page-contact .scale-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-contact .scale-num em {
  font-style: normal;
  font-size: 0.6em;
}

.page-contact .scale-note {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  line-height: 1.3;
  color: var(--orange);
}

.page-contact .scale-text {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(232, 238, 245, 0.76);
}

/* ---------- 运营主体 ---------- */

.page-contact .contact-entity {
  padding: var(--pc-pad) 0;
  background: var(--mist);
}

.page-contact .entity-grid {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.6rem);
  align-items: center;
}

.page-contact .entity-figure {
  margin: 0;
  border: 1px solid var(--line-light);
  max-width: 100%;
}

.page-contact .entity-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .entity-copy .lead {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--ink-700);
}

.page-contact .entity-table {
  margin: 1.3rem 0 0;
  display: grid;
  border-top: 1px solid var(--line-light);
}

.page-contact .entity-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.2rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-light);
}

.page-contact .entity-row dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .entity-row dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink-800);
  word-break: break-word;
}

.page-contact .entity-row dd.is-mono {
  font-family: var(--font-mono);
}

/* ---------- 快捷入口 ---------- */

.page-contact .contact-next {
  padding: 0 0 clamp(2rem, 4vw, 3rem);
  background: var(--mist);
}

.page-contact .next-grid {
  display: grid;
  gap: 1px;
  margin-top: 1.3rem;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.page-contact .next-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: clamp(1.05rem, 2vw, 1.4rem);
  background: var(--pc-white);
  text-decoration: none;
  color: var(--ink-700);
  transition: background 0.22s var(--ease);
}

.page-contact .next-card__idx {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .next-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-800);
  transition: color 0.22s var(--ease);
}

.page-contact .next-card__text {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
  transition: color 0.22s var(--ease);
}

.page-contact .next-card__arrow {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--orange);
}

.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  background: var(--ink-800);
}

.page-contact .next-card:hover .next-card__title,
.page-contact .next-card:focus-visible .next-card__title {
  color: #ffffff;
}

.page-contact .next-card:hover .next-card__text,
.page-contact .next-card:focus-visible .next-card__text {
  color: rgba(232, 238, 245, 0.74);
}

/* ---------- 坐标刻度收束条 ---------- */

.page-contact .contact-ruler {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  height: 46px;
  padding: 0 var(--gutter);
  background: var(--ink-900);
  color: var(--orange-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
}

.page-contact .contact-ruler::before,
.page-contact .contact-ruler::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-dark);
}

.page-contact .contact-ruler::before {
  background: linear-gradient(90deg, transparent, var(--orange));
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-contact .entity-row {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }

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

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

@media (min-width: 780px) {
  .page-contact .ch-list {
    grid-template-columns: 1.35fr 1fr 1fr;
    align-items: stretch;
  }
}

@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(1.6rem, 4vw, 3rem);
  }

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

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-contact .entity-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .scale-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .flow-steps .steps__item,
  .page-contact .next-card,
  .page-contact .next-card__title,
  .page-contact .next-card__text {
    transition: none;
  }
}