/* =========================================================
   咨询服务页 · page-contact
   控制台式节奏：状态面板 → 错位渠道卡 → 事项分流 → 键值收尾
   ========================================================= */

.page-contact {
  --pc-notch: 14px;
  --pc-paper-line: rgba(20, 24, 31, 0.16);
  padding-bottom: clamp(40px, 7vw, 80px);
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding-block: clamp(20px, 3vw, 30px) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(20px, 3vw, 32px);
  padding-block: clamp(36px, 5.5vw, 68px) clamp(40px, 6.5vw, 76px);
  background:
    radial-gradient(120% 90% at 84% 4%, rgba(39, 224, 208, 0.17), transparent 60%),
    radial-gradient(90% 70% at 4% 98%, rgba(226, 58, 46, 0.15), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
  border-block: 1px solid var(--grid-line);
}

.page-contact .contact-hero__figure {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0.3;
  pointer-events: none;
}

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

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

.page-contact .contact-hero__kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .contact-hero .lead {
  margin: 0 0 clamp(30px, 4.5vw, 48px);
  max-width: 40em;
  color: var(--slate);
}

/* ---------- 状态面板 ---------- */
.page-contact .status-board {
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(39, 224, 208, 0.5) 0%,
    var(--grid-line) 34%,
    var(--grid-line) 66%,
    rgba(242, 179, 61, 0.45) 100%
  );
  clip-path: polygon(
    var(--pc-notch) 0,
    100% 0,
    100% calc(100% - var(--pc-notch)),
    calc(100% - var(--pc-notch)) 100%,
    0 100%,
    0 var(--pc-notch)
  );
}

.page-contact .status-board__body {
  padding: clamp(22px, 3.2vw, 38px);
  background: rgba(11, 18, 32, 0.9);
  backdrop-filter: blur(12px);
  clip-path: polygon(
    var(--pc-notch) 0,
    100% 0,
    100% calc(100% - var(--pc-notch)),
    calc(100% - var(--pc-notch)) 100%,
    0 100%,
    0 var(--pc-notch)
  );
}

.page-contact .status-board__light {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .status-board__light .dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(39, 224, 208, 0.16);
}

.page-contact .status-board__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.6vw, 28px);
  margin: 0;
}

.page-contact .status-metric {
  min-width: 0;
  padding-left: clamp(12px, 1.6vw, 18px);
  border-left: 1px solid var(--grid-line);
}

.page-contact .status-metric dt {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-contact .status-metric dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.page-contact .status-metric__num {
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
}

.page-contact .status-metric__unit {
  margin-left: 6px;
  font-size: 0.8rem;
  color: var(--slate);
}

/* ---------- 章节头 ---------- */
.page-contact .section-head {
  display: grid;
  gap: 14px;
  align-items: start;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .section-head__text {
  max-width: 46em;
}

.page-contact .section-head__text .section-title {
  margin: 0 0 10px;
  color: var(--mist);
}

.page-contact .section-head__text p {
  margin: 0;
  color: var(--slate);
  line-height: 1.75;
}

/* ---------- 区块节奏 ---------- */
.page-contact .contact-channels,
.page-contact .contact-routing,
.page-contact .contact-collab {
  padding-block: clamp(44px, 6.5vw, 88px);
}

.page-contact .contact-routing,
.page-contact .contact-collab {
  border-top: 1px solid var(--grid-line);
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .channel-card {
  padding: 1px;
  background: var(--grid-line);
  clip-path: polygon(
    var(--pc-notch) 0,
    100% 0,
    100% calc(100% - var(--pc-notch)),
    calc(100% - var(--pc-notch)) 100%,
    0 100%,
    0 var(--pc-notch)
  );
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  background: var(--cyan);
  transform: translateY(-4px);
}

.page-contact .channel-card__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  padding: clamp(22px, 3vw, 34px);
  background: var(--ink-800);
  clip-path: polygon(
    var(--pc-notch) 0,
    100% 0,
    100% calc(100% - var(--pc-notch)),
    calc(100% - var(--pc-notch)) 100%,
    0 100%,
    0 var(--pc-notch)
  );
}

.page-contact .channel-card__body .tag {
  align-self: flex-start;
}

.page-contact .channel-card__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 1.3;
  color: var(--mist);
}

.page-contact .channel-card__body p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .channel-list {
  display: grid;
  gap: 9px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.94rem;
  color: var(--slate);
}

.page-contact .channel-list li {
  position: relative;
  padding-left: 20px;
  line-height: 1.6;
}

.page-contact .channel-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.58em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .channel-card__value {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--grid-line);
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  color: var(--mist);
  word-break: break-all;
}

/* ---------- 事项分流 ---------- */
.page-contact .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .topic-card {
  padding: 1px;
  background: var(--grid-line);
  clip-path: polygon(
    var(--pc-notch) 0,
    100% 0,
    100% calc(100% - var(--pc-notch)),
    calc(100% - var(--pc-notch)) 100%,
    0 100%,
    0 var(--pc-notch)
  );
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .topic-card:hover,
.page-contact .topic-card:focus-within {
  background: rgba(39, 224, 208, 0.55);
  transform: translateY(-4px);
}

.page-contact .topic-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: clamp(20px, 2.4vw, 26px);
  background: linear-gradient(160deg, var(--ink-800) 0%, var(--ink-900) 100%);
  clip-path: polygon(
    var(--pc-notch) 0,
    100% 0,
    100% calc(100% - var(--pc-notch)),
    calc(100% - var(--pc-notch)) 100%,
    0 100%,
    0 var(--pc-notch)
  );
}

.page-contact .topic-card__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .topic-card__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--mist);
}

.page-contact .topic-card__body > p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .topic-meta {
  display: grid;
  gap: 2px;
  margin: 6px 0 0;
  font-size: 0.86rem;
  line-height: 1.6;
}

.page-contact .topic-meta dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: rgba(142, 155, 179, 0.8);
}

.page-contact .topic-meta dd {
  margin: 0 0 8px;
  color: var(--mist);
}

.page-contact .topic-card__link {
  margin-top: auto;
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .topic-card__link:hover,
.page-contact .topic-card__link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .collab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-contact .collab-card {
  padding: clamp(24px, 3vw, 36px);
  background: linear-gradient(150deg, rgba(39, 224, 208, 0.07), rgba(255, 255, 255, 0.02));
  border-left: 2px solid var(--cyan);
}

.page-contact .collab-card:nth-child(2) {
  border-left-color: var(--amber);
  background: linear-gradient(150deg, rgba(242, 179, 61, 0.07), rgba(255, 255, 255, 0.02));
}

.page-contact .collab-card h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  line-height: 1.25;
  color: var(--mist);
}

.page-contact .collab-card p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .collab-card .btn {
  margin-top: 8px;
}

/* ---------- 联系方式（浅底收尾） ---------- */
.page-contact .contact-details {
  margin-top: clamp(44px, 6.5vw, 88px);
  padding-block: clamp(44px, 6.5vw, 80px);
  background: var(--paper);
  color: var(--ink-950);
}

.page-contact .contact-details .chapter-num {
  color: var(--maple);
}

.page-contact .contact-details .section-title {
  color: var(--ink-950);
}

.page-contact .contact-details .section-head__text p {
  color: rgba(20, 24, 31, 0.68);
}

.page-contact .details-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .details-main {
  min-width: 0;
}

.page-contact .kv {
  border-top: 1px solid var(--pc-paper-line);
}

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

.page-contact .kv__key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: rgba(20, 24, 31, 0.52);
}

.page-contact .kv__val {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink-950);
  word-break: break-word;
}

.page-contact .kv__note {
  margin: 20px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(20, 24, 31, 0.66);
}

.page-contact .kv__note a {
  color: var(--maple-deep);
  text-underline-offset: 3px;
}

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

.page-contact .details-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid rgba(20, 24, 31, 0.14);
}

.page-contact .details-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: rgba(20, 24, 31, 0.55);
}

/* ---------- 键盘焦点 ---------- */
.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .contact-details a:focus-visible {
  outline-color: var(--maple-deep);
}

/* ---------- 入场 ---------- */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}

.page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-contact .channel-card,
  .page-contact .topic-card {
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .topic-card:hover,
  .page-contact .topic-card:focus-within {
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .kv__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 700px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .topic-card:nth-child(2),
  .page-contact .topic-card:nth-child(4) {
    margin-top: 28px;
  }
}

@media (min-width: 860px) {
  .page-contact .section-head {
    grid-template-columns: auto 1fr;
    gap: 32px;
  }
  .page-contact .collab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .status-board__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .channel-card:nth-child(2) {
    margin-top: 48px;
  }
}

@media (min-width: 940px) {
  .page-contact .details-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1140px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .topic-card:nth-child(odd) {
    margin-top: 0;
  }
  .page-contact .topic-card:nth-child(even) {
    margin-top: 40px;
  }
}