.page-contact {
  background:
    radial-gradient(115% 70% at 8% -6%, var(--ink-800) 0%, transparent 62%),
    radial-gradient(90% 60% at 100% 4%, rgba(36, 42, 90, .55) 0%, transparent 58%),
    var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.72;
  overflow-x: hidden;
}

.page-contact .page-shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-contact a {
  color: inherit;
}

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

/* ---------- 区块节奏 ---------- */
.page-contact .contact-hero,
.page-contact .dirs,
.page-contact .desk,
.page-contact .faqs,
.page-contact .related {
  padding-top: 42px;
  padding-bottom: 42px;
}

@media (min-width: 860px) {
  .page-contact .contact-hero,
  .page-contact .dirs,
  .page-contact .desk,
  .page-contact .faqs,
  .page-contact .related {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

.page-contact .section-head {
  margin-bottom: 26px;
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.4vw, 2.05rem);
  letter-spacing: -.005em;
  line-height: 1.2;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.72fr);
    align-items: end;
    gap: 56px;
  }
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.8vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -.012em;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .hero-lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(.97rem, 1.5vw, 1.06rem);
  color: var(--mist);
}

.page-contact .hero-sub {
  margin: 18px 0 0;
  max-width: 52ch;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: .86rem;
  color: var(--mist);
}

.page-contact .hero-jump {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-contact .hero-jump {
    padding: 0 0 0 24px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

.page-contact .jump-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .jump-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .jump-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 10px 9px 0;
  font-size: .92rem;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 90, 69, .55);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .jump-list a:hover {
  color: var(--signal-soft);
  padding-left: 8px;
  border-bottom-color: var(--ember);
}

.page-contact .jump-num {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--amber);
}

/* ---------- 合作方向 ---------- */
.page-contact .dirs-grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 940px) {
  .page-contact .dirs-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 52px;
    align-items: start;
  }
}

.page-contact .dir-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-800), var(--indigo));
}

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

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

.page-contact .dir-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 12px 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .dir-row:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .dir-row:hover,
.page-contact .dir-row:focus-within {
  background: linear-gradient(90deg, rgba(59, 242, 192, .1), transparent 78%);
  border-color: var(--signal);
}

.page-contact .dir-num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-contact .dir-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .dir-desc {
  margin: 7px 0 0;
  font-size: .89rem;
  color: var(--mist);
}

.page-contact .dir-who {
  margin: 11px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: .84rem;
  color: var(--mist);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .dir-row:hover .dir-who,
.page-contact .dir-row:focus-within .dir-who {
  color: var(--signal-soft);
  border-left-color: var(--ember);
}

/* ---------- 接待台双栏 ---------- */
.page-contact .desk {
  display: grid;
  gap: 38px;
  border-top: 1px solid var(--line);
}

@media (min-width: 980px) {
  .page-contact .desk {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    gap: 58px;
    align-items: start;
  }

  .page-contact .desk-rail {
    position: sticky;
    top: 96px;
  }
}

.page-contact .desk-main {
  display: grid;
  gap: 54px;
}

/* ---------- 联系卡片 ---------- */
.page-contact .contact-card {
  position: relative;
  padding: 30px 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  background: linear-gradient(168deg, var(--ink-800), var(--ink-850) 72%);
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--signal), var(--ember));
}

.page-contact .card-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .card-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .contact-rows {
  margin: 20px 0 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-row {
  display: grid;
  gap: 4px;
}

.page-contact .contact-label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-value {
  margin: 0;
  font-size: .97rem;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-value--mail {
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--signal-soft);
}

.page-contact .copy-email {
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--ember);
  background: transparent;
  border: 1px solid var(--ember);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .copy-email:hover {
  background: var(--ember);
  color: var(--ink-900);
}

.page-contact .copy-email[data-state="copied"] {
  border-color: var(--signal);
  color: var(--signal);
  background: transparent;
}

.page-contact .copy-email[data-state="error"] {
  border-color: var(--wine);
  color: var(--mist);
  background: transparent;
}

.page-contact .copy-status {
  margin: 10px 0 0;
  font-size: .78rem;
  color: var(--mist);
}

.page-contact .contact-note {
  margin: 16px 0 0;
  font-size: .8rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .service-note {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.page-contact .service-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--amber);
}

.page-contact .service-note p {
  margin: 0 0 10px;
  font-size: .83rem;
  color: var(--mist);
}

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

.page-contact .service-note strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 26px;
}

.page-contact .flow-list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(var(--signal), var(--line) 55%, transparent);
}

.page-contact .flow-step {
  position: relative;
  padding-left: 46px;
}

.page-contact .flow-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--amber);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .flow-step:hover .flow-num,
.page-contact .flow-step:focus-within .flow-num {
  border-color: var(--signal);
  color: var(--signal);
  box-shadow: 0 0 0 4px rgba(59, 242, 192, .12);
}

.page-contact .flow-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .flow-step p {
  margin: 6px 0 0;
  font-size: .89rem;
  color: var(--mist);
}

/* ---------- 准备清单 ---------- */
.page-contact .check-grid {
  display: grid;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-contact .check-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    gap: 40px;
    align-items: start;
  }
}

.page-contact .check-group + .check-group {
  margin-top: 26px;
}

.page-contact .check-group-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 9px 12px;
  border-radius: 4px;
  transition: background var(--dur) var(--ease);
}

.page-contact .check-item:hover {
  background: rgba(59, 242, 192, .07);
}

.page-contact .check-box {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--line);
  border-radius: 3px;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .check-item:hover .check-box {
  border-color: var(--signal);
}

.page-contact .check-item:hover .check-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--signal);
  border-bottom: 2px solid var(--signal);
  transform: rotate(42deg);
}

.page-contact .check-item strong {
  display: block;
  font-size: .92rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .check-item p {
  margin: 3px 0 0;
  font-size: .84rem;
  color: var(--mist);
}

.page-contact .check-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-800), var(--wine));
}

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

/* ---------- 常见合作问题 ---------- */
.page-contact .faq-list {
  border-top: 1px solid var(--line);
}

.page-contact .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-contact .faq-q {
  position: relative;
  display: block;
  padding: 18px 38px 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: .99rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

.page-contact .faq-q::-webkit-details-marker {
  display: none;
}

.page-contact .faq-q:hover {
  color: var(--signal-soft);
}

.page-contact .faq-q::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--ember);
}

.page-contact .faq-item[open] .faq-q::after {
  content: "−";
}

.page-contact .faq-a {
  padding: 0 38px 20px 0;
  font-size: .9rem;
  color: var(--mist);
}

.page-contact .faq-a p {
  margin: 0;
}

/* ---------- 相关页面 ---------- */
.page-contact .related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  border-top: 1px solid var(--line);
}

.page-contact .related a {
  display: inline-block;
  padding: 9px 16px;
  font-size: .85rem;
  text-decoration: none;
  color: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .related a:hover {
  border-color: var(--signal);
  color: var(--signal-soft);
  background: rgba(59, 242, 192, .08);
}