.page-contact {
  --pc-gap: clamp(18px, 2.6vw, 28px);
  --pc-pad: clamp(20px, 2.8vw, 30px);
  --pc-accent: var(--violet);
  background: var(--deep);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(32px, 5.5vw, 68px)) 0 0;
  background:
    radial-gradient(120% 100% at 6% -18%, rgba(139, 92, 246, 0.4), transparent 58%),
    radial-gradient(88% 78% at 98% 2%, rgba(34, 211, 238, 0.2), transparent 62%),
    var(--deep);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: auto -14% 30% 44%;
  height: 42%;
  background: linear-gradient(118deg, rgba(255, 122, 26, 0.18), transparent 72%);
  transform: skewY(-8deg);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 17ch;
  font-size: clamp(30px, 5.6vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.022em;
  color: var(--white);
}

.page-contact .contact-hero__lead {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.78;
  color: var(--ink-dim);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .contact-hero__media {
  margin-top: clamp(28px, 4.5vw, 54px);
  clip-path: polygon(0 16%, 100% 0, 100% 100%, 0 100%);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 720px) {
  .page-contact .contact-hero__media img {
    aspect-ratio: 2 / 1;
  }
}

/* ---------- 区块骨架 ---------- */
.page-contact .pc-section {
  position: relative;
  padding: clamp(46px, 6.4vw, 84px) 0;
}

.page-contact .pc-section + .pc-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.42), rgba(139, 92, 246, 0.42), transparent);
}

.page-contact .pc-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(26px, 3.8vw, 46px);
}

.page-contact .pc-head h2 {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--white);
}

.page-contact .pc-head p {
  margin: 0;
  max-width: 58ch;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* ---------- 联系卡片 ---------- */
.page-contact .channel-deck {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .channel-card {
  position: relative;
  padding: var(--pc-pad);
  background: var(--midnight);
  border: 2px solid var(--stone);
  box-shadow: var(--shadow-hard);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 4px;
  background: var(--pc-accent);
}

.page-contact .channel-card--mail { --pc-accent: var(--cyan); }
.page-contact .channel-card--phone { --pc-accent: var(--orange); }
.page-contact .channel-card--office { --pc-accent: var(--violet); }

.page-contact .channel-card__index {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--pc-accent);
  text-transform: uppercase;
}

.page-contact .channel-card h3 {
  margin: 12px 0 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 800;
  color: var(--white);
}

.page-contact .channel-card__value {
  margin: 14px 0 0;
  padding: 4px 0 4px 14px;
  border-left: 3px solid var(--pc-accent);
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.6vw, 16px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--pc-accent);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__fit {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-dim);
}

.page-contact .channel-card__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-faint);
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 17px;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  background: var(--pc-accent);
  transform: rotate(45deg);
}

@media (min-width: 880px) {
  .page-contact .channel-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    padding-bottom: 58px;
  }
  .page-contact .channel-card:nth-child(2) { margin-top: 30px; }
  .page-contact .channel-card:nth-child(3) { margin-top: 60px; }
}

/* ---------- 服务时间 ---------- */
.page-contact .hours-grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .hours-copy h2 {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
}

.page-contact .hours-copy > p {
  margin: 14px 0 0;
  max-width: 56ch;
  line-height: 1.82;
  color: var(--ink-dim);
}

.page-contact .hours-bar {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .hours-bar__track {
  position: relative;
  height: 16px;
  border: 1px solid var(--stone);
  background: var(--midnight);
}

.page-contact .hours-bar__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.9), rgba(139, 92, 246, 0.9));
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.45);
}

.page-contact .hours-bar__ticks {
  display: flex;
  justify-content: space-between;
  margin: 9px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-faint);
}

.page-contact .hours-bar__legend {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--ink-faint);
}

.page-contact .hours-bar__key {
  width: 22px;
  height: 8px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-contact .hours-notes {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .hours-notes li {
  padding-left: 16px;
  border-left: 2px solid var(--stone);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-dim);
}

.page-contact .hours-notes strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

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

.page-contact .hours-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-faint);
}

@media (min-width: 900px) {
  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prepare-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--stone);
  border: 1px solid var(--stone);
}

.page-contact .prepare-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 30px);
  padding: var(--pc-pad);
  background: var(--deep);
}

.page-contact .prepare-item__num {
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1;
  color: var(--violet);
}

.page-contact .prepare-item__body h3 {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 800;
  color: var(--white);
}

.page-contact .prepare-item__body p {
  margin: 9px 0 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* ---------- 合作与投稿 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .partner-card {
  padding: var(--pc-pad);
  background: linear-gradient(160deg, rgba(21, 28, 74, 0.95), rgba(11, 16, 48, 0.95));
  border: 1px solid var(--stone);
  border-left: 3px solid var(--cyan);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
  color: var(--white);
}

.page-contact .partner-card p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-contact .partner-card__meta {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .partner-card--wide {
  border-left-color: var(--orange);
}

.page-contact .partner-card__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-dim);
}

.page-contact .partner-card__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .partner-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

@media (min-width: 780px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .partner-card--wide {
    grid-column: 1 / -1;
  }
}

/* ---------- 高频咨询 ---------- */
.page-contact .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--stone);
}

.page-contact .tab {
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  background: transparent;
  border: 1px solid var(--stone);
  cursor: pointer;
  transition: color 0.22s var(--ease), background 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-contact .tab:hover {
  color: var(--white);
  border-color: var(--violet);
}

.page-contact .tab[aria-selected="true"] {
  color: var(--deep);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 4px 4px 0 rgba(139, 92, 246, 0.4);
}

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

.page-contact .tab-panel {
  max-width: 76ch;
}

.page-contact .tab-panel[hidden] {
  display: none;
}

.page-contact .tab-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-contact .tab-panel__link {
  margin-top: 16px !important;
}

.page-contact .tab-panel__link a {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.5);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .tab-panel__link a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 收尾 ---------- */
.page-contact .closing-note {
  margin-top: clamp(30px, 4.2vw, 50px);
  padding: clamp(22px, 3vw, 34px);
  background: var(--midnight);
  border: 1px solid var(--stone);
  border-top: 3px solid var(--orange);
}

.page-contact .closing-note p {
  margin: 0;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-contact .closing-note__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 480px) {
  .page-contact .channel-card {
    box-shadow: 4px 4px 0 rgba(139, 92, 246, 0.3);
  }
  .page-contact .prepare-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }
  .page-contact .tab {
    flex: 1 1 auto;
    text-align: center;
  }
}