.page-contact {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 顶部上下文 ---------- */
.page-contact .contact-top {
  padding-top: 20px;
  padding-bottom: 4px;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .breadcrumb__item {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
}

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

.page-contact .breadcrumb__link[aria-current="page"] {
  color: var(--paper);
}

/* ---------- 通用区块 ---------- */
.page-contact .section {
  padding: 46px 0;
}

.page-contact .section__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 6.4vw, 2.9rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 12px 0 14px;
  color: var(--paper);
}

.page-contact .section__lead {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--paper-2);
  max-width: 38em;
  margin: 0 0 22px;
}

.page-contact .label {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 26px 0 44px;
  background:
    radial-gradient(120% 80% at 88% 0%, rgba(255, 90, 31, 0.16), transparent 62%),
    var(--ink);
  overflow: hidden;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 9.6vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 14px 0 0;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-hero__title em {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-size: clamp(1rem, 4.2vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--orange);
  font-family: var(--font-body);
  font-weight: 700;
}

.page-contact .contact-hero__lede {
  margin: 18px 0 26px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--paper-2);
  max-width: 34em;
}

/* 联系渠道 */
.page-contact .channels {
  display: grid;
  gap: 0;
}

.page-contact .channel {
  position: relative;
  padding: 16px 0 16px 16px;
  border-top: 1px solid var(--line);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--orange), transparent 78%);
}

.page-contact .channel__k {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-soft);
}

.page-contact .channel__v {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: clamp(1.05rem, 4.6vw, 1.5rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .channel__v--mail {
  word-break: break-all;
  border-bottom: 2px solid rgba(255, 90, 31, 0.5);
  display: inline-block;
  padding-bottom: 3px;
}

.page-contact .channel__n {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--muted);
  max-width: 34em;
}

.page-contact .channel--flag {
  border-top-style: dashed;
}

.page-contact .channel--flag .channel__k {
  color: var(--lime);
}

.page-contact .channel--flag .channel__n {
  color: var(--paper-2);
}

/* 右侧坐标视觉 */
.page-contact .contact-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .contact-visual__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.5;
  filter: grayscale(0.4) contrast(1.06);
}

.page-contact .contact-visual__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(138, 147, 166, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(138, 147, 166, 0.22) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(140deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.15) 78%);
}

.page-contact .contact-visual__line {
  position: absolute;
  top: 12%;
  right: -18%;
  width: 88%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--orange));
  transform: rotate(-32deg);
  transform-origin: right center;
  pointer-events: none;
}

.page-contact .contact-visual__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  box-shadow: 4px 4px 0 rgba(255, 90, 31, 0.9);
}

/* ---------- 响应说明 ---------- */
.page-contact .contact-reply {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-split {
  display: grid;
  gap: 30px;
}

.page-contact .reply-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .reply-item {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .reply-item__k {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .reply-item__v {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--paper-2);
}

.page-contact .reply-more {
  border: 1px solid var(--line);
  background: rgba(11, 15, 25, 0.7);
}

.page-contact .reply-more__sum {
  cursor: pointer;
  padding: 13px 16px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange-soft);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .reply-more__sum::-webkit-details-marker {
  display: none;
}

.page-contact .reply-more__sum::before {
  content: "+";
  font-size: 15px;
  line-height: 1;
  color: var(--orange);
}

.page-contact .reply-more[open] .reply-more__sum::before {
  content: "–";
}

.page-contact .reply-more__body {
  padding: 0 16px 14px;
  border-top: 1px dashed var(--line);
}

.page-contact .reply-more__body p {
  margin: 12px 0 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--paper-2);
}

.page-contact .contact-reply__media {
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-3);
}

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

.page-contact .contact-reply__fig .figure__caption {
  padding-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 合作 ---------- */
.page-contact .contact-coop {
  background: var(--paper);
  color: var(--ink);
  border-bottom: 6px solid var(--orange);
}

.page-contact .contact-coop .section__title {
  color: var(--ink);
}

.page-contact .contact-coop .label {
  color: var(--orange);
}

.page-contact .contact-coop .label::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--orange);
}

.page-contact .contact-coop__lede {
  margin: 0 0 28px;
  font-size: 0.98rem;
  line-height: 1.82;
  color: #3a4252;
  max-width: 40em;
}

.page-contact .coop-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink);
}

.page-contact .coop-step {
  padding: 18px 0 20px;
  border-bottom: 1px solid rgba(11, 15, 25, 0.16);
}

.page-contact .coop-step__num {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  padding: 3px 8px;
  color: var(--paper);
  background: var(--ink);
  box-shadow: 3px 3px 0 var(--orange);
}

.page-contact .coop-step__title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 1.32rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .coop-step__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: #3a4252;
  max-width: 34em;
}

.page-contact .contact-coop__foot {
  margin: 26px 0 0;
  padding: 14px 16px;
  font-size: 0.9rem;
  line-height: 1.76;
  color: var(--ink);
  background: rgba(255, 90, 31, 0.14);
  border-left: 4px solid var(--orange);
  max-width: 46em;
}

/* ---------- 场景列表 ---------- */
.page-contact .contact-scene__head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.page-contact .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: scene;
}

.page-contact .scene {
  display: grid;
  grid-template-columns: 38px 1fr;
  grid-template-areas:
    "num body"
    "go  go";
  gap: 6px 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.page-contact .scene__num {
  grid-area: num;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 3px;
}

.page-contact .scene__body {
  grid-area: body;
}

.page-contact .scene__title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  line-height: 1.5;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .scene__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 40em;
}

.page-contact .scene__go {
  grid-area: go;
  justify-self: start;
  font-size: 0.82rem;
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 148, 255, 0.45);
  padding-bottom: 2px;
}

.page-contact .scene__go:hover,
.page-contact .scene__go:focus-visible {
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
}

/* ---------- 地址 ---------- */
.page-contact .contact-address {
  background:
    linear-gradient(180deg, rgba(0, 102, 255, 0.1), transparent 55%),
    var(--ink-2);
  border-top: 1px solid var(--line);
}

.page-contact .contact-address__inner {
  display: grid;
  gap: 26px;
}

.page-contact .contact-address__val {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 5.2vw, 1.9rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
  word-break: break-word;
  border-left: 4px solid var(--lime);
  padding-left: 14px;
}

.page-contact .contact-address__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--paper-2);
  max-width: 36em;
}

.page-contact .contact-address__aside {
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: rgba(11, 15, 25, 0.72);
  box-shadow: 6px 6px 0 rgba(255, 90, 31, 0.55);
}

.page-contact .contact-address__aside-k {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange-soft);
}

.page-contact .contact-address__aside-t {
  margin: 0 0 16px;
  font-size: 0.88rem;
  line-height: 1.76;
  color: var(--paper-2);
}

.page-contact .contact-address__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .section {
    padding: 62px 0;
  }

  .page-contact .contact-hero {
    padding: 34px 0 60px;
  }

  .page-contact .reply-item {
    grid-template-columns: 120px 1fr;
    gap: 10px 16px;
    align-items: baseline;
  }

  .page-contact .coop-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 24px;
  }

  .page-contact .coop-step {
    border-bottom: none;
    border-top: 1px solid rgba(11, 15, 25, 0.16);
    padding-top: 20px;
  }

  .page-contact .scene {
    grid-template-columns: 46px 1fr auto;
    grid-template-areas: "num .page-contact go";
    align-items: center;
    gap: 10px 18px;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 48px;
    align-items: center;
  }

  .page-contact .contact-split {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 46px;
    align-items: start;
  }

  .page-contact .contact-address__inner {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-coop__head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 44px;
    align-items: end;
  }

  .page-contact .contact-coop__head .label {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-visual__line {
    transform: rotate(-32deg);
  }
}