/* ================= 咨询服务页 ================= */

.page-contact {
  padding-block: 8px 88px;
  color: var(--paper);
}

/* --- 面包屑 --- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-block: 0 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* --- 首屏 --- */
.page-contact .pc-hero {
  display: grid;
  gap: 30px;
  padding-block: 4px 52px;
}

.page-contact .pc-hero__text {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .pc-hero h1 {
  margin: 0;
  font-size: clamp(30px, 8.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 900;
  color: var(--paper);
}

.page-contact .pc-hero .lede {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-contact .pc-hero__media {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-contact .pc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.8) brightness(.76);
}

/* --- 区块通用 --- */
.page-contact .pc-block {
  padding-block: 48px;
  border-top: 1px solid var(--grid);
}

.page-contact .pc-block__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 30px;
  max-width: 66ch;
}

.page-contact .pc-block__head h2 {
  margin: 0;
  font-size: clamp(22px, 4.8vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-contact .pc-block__head .muted {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .pc-sub {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* --- 三通道控制台 --- */
.page-contact .pc-console {
  position: relative;
}

.page-contact .pc-console__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.page-contact .pc-console__tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .pc-tab {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  border-radius: var(--r-lg);
  background: var(--panel);
  border: 1px solid var(--grid);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .pc-tab:hover {
  background: var(--panel-2);
  transform: translateY(-2px);
}

.page-contact .pc-tab__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .pc-tab__dot {
  width: 10px;
  height: 10px;
  flex: none;
  border-radius: 50%;
  background: var(--mist);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .pc-tab__name {
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-contact .pc-tab__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* 选中态：第 1 个 */
.page-contact .pc-console__radio:nth-of-type(1):checked ~ .pc-console__tabs .pc-tab:nth-child(1),
.page-contact .pc-console__radio:nth-of-type(2):checked ~ .pc-console__tabs .pc-tab:nth-child(2),
.page-contact .pc-console__radio:nth-of-type(3):checked ~ .pc-console__tabs .pc-tab:nth-child(3) {
  background: var(--wash);
  border-color: var(--cyan);
}

.page-contact .pc-console__radio:nth-of-type(1):checked ~ .pc-console__tabs .pc-tab:nth-child(1) .pc-tab__dot,
.page-contact .pc-console__radio:nth-of-type(2):checked ~ .pc-console__tabs .pc-tab:nth-child(2) .pc-tab__dot,
.page-contact .pc-console__radio:nth-of-type(3):checked ~ .pc-console__tabs .pc-tab:nth-child(3) .pc-tab__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(63, 224, 192, .16);
}

.page-contact .pc-console__radio:nth-of-type(1):focus-visible ~ .pc-console__tabs .pc-tab:nth-child(1),
.page-contact .pc-console__radio:nth-of-type(2):focus-visible ~ .pc-console__tabs .pc-tab:nth-child(2),
.page-contact .pc-console__radio:nth-of-type(3):focus-visible ~ .pc-console__tabs .pc-tab:nth-child(3) {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* 面板切换 */
.page-contact .pc-console__panels {
  margin-top: 18px;
}

.page-contact .pc-panel {
  display: none;
  gap: 22px;
  padding: 26px 20px;
  border-radius: var(--r-xl);
  background: var(--panel);
  border: 1px solid var(--grid);
}

.page-contact .pc-console__radio:nth-of-type(1):checked ~ .pc-console__panels .pc-panel:nth-child(1),
.page-contact .pc-console__radio:nth-of-type(2):checked ~ .pc-console__panels .pc-panel:nth-child(2),
.page-contact .pc-console__radio:nth-of-type(3):checked ~ .pc-console__panels .pc-panel:nth-child(3) {
  display: grid;
}

.page-contact .pc-panel__head h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--cyan-soft);
}

.page-contact .pc-panel__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .pc-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--grid);
}

.page-contact .pc-panel__list li {
  display: grid;
  gap: 4px;
  padding: 15px 16px;
  background: var(--panel-2);
}

.page-contact .pc-panel__k {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .pc-panel__v {
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper);
}

.page-contact .pc-panel__next {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .pc-panel__next a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 192, .4);
}

.page-contact .pc-panel__next a:hover {
  border-bottom-color: var(--cyan);
}

/* --- 一键复制胶囊 --- */
.page-contact .pc-copy {
  appearance: none;
  flex: none;
  border: 1px solid var(--grid);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-cn);
  font-size: 13px;
  line-height: 1;
  padding: 9px 18px;
  border-radius: var(--pill);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--wash);
}

.page-contact .pc-copy.is-copied {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .pc-copy.is-copied::after {
  content: " 已复制";
  font-size: 12px;
}

/* --- 等宽联系行 --- */
.page-contact .pc-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 26px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: var(--panel-2);
  border: 1px solid var(--grid);
}

.page-contact .pc-line__label {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .pc-line__val {
  flex: 1 1 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--cyan-soft);
  word-break: break-all;
}

/* --- 邮件写法 --- */
.page-contact .pc-mail__grid {
  display: grid;
  gap: 18px;
}

.page-contact .pc-mail__main,
.page-contact .pc-mail__side {
  padding: 24px 20px;
  border-radius: var(--r-xl);
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-contact .pc-mail__desc {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .pc-mail__desc:last-child {
  margin-bottom: 0;
  margin-top: 16px;
}

.page-contact .pc-template {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: var(--wash);
  border: 1px dashed rgba(63, 224, 192, .45);
}

.page-contact .pc-template__code {
  flex: 1 1 220px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .pc-inline-code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-soft);
  word-break: break-all;
}

.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .pc-steps__n {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* --- 电话咨询 --- */
.page-contact .pc-phone__grid {
  display: grid;
  gap: 18px;
}

.page-contact .pc-phone__num {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px;
  border-radius: var(--r-xl);
  background: linear-gradient(158deg, var(--panel-2) 0%, var(--panel) 100%);
  border: 1px solid var(--grid);
  align-items: flex-start;
}

.page-contact .pc-phone__label {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .pc-phone__val {
  font-family: var(--font-mono);
  font-size: clamp(28px, 8vw, 44px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-phone__slot {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--orange);
}

.page-contact .pc-phone__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--grid);
}

.page-contact .pc-phone__list li {
  position: relative;
  padding: 16px 18px 16px 40px;
  background: var(--panel);
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper);
}

.page-contact .pc-phone__list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

/* --- 来信地址 --- */
.page-contact .pc-address__grid {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-contact .pc-address__body h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 4.8vw, 32px);
  line-height: 1.26;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-contact .pc-address__text {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.7;
  letter-spacing: .01em;
  color: var(--cyan-soft);
}

.page-contact .pc-address__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-address__media {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--grid);
  background: var(--panel);
  order: -1;
}

.page-contact .pc-address__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.75) brightness(.7);
}

/* --- 合作与内容互换 --- */
.page-contact .pc-partner__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

.page-contact .pc-partner__list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 20px 20px 16px;
  border-radius: var(--r-lg);
  background: var(--panel);
  border: 1px solid var(--grid);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-partner__list li:hover {
  background: var(--panel-2);
  border-color: rgba(63, 224, 192, .35);
}

.page-contact .pc-partner__num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .pc-partner__list h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .pc-partner__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .pc-partner__foot {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--orange-wash);
  border-left: 3px solid var(--orange);
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

/* --- 回复节奏 --- */
.page-contact .pc-rhythm__timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--grid);
  display: grid;
  gap: 26px;
}

.page-contact .pc-rhythm__timeline li {
  position: relative;
}

.page-contact .pc-rhythm__timeline li::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
}

.page-contact .pc-rhythm__time {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .pc-rhythm__timeline p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* --- 常见问答 --- */
.page-contact .pc-faq__list {
  display: grid;
  gap: 12px;
}

.page-contact .pc-acc {
  border-radius: var(--r-lg);
  background: var(--panel);
  border: 1px solid var(--grid);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .pc-acc[open] {
  background: var(--panel-2);
  border-color: rgba(63, 224, 192, .35);
}

.page-contact .pc-acc summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 52px 18px 20px;
  position: relative;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .pc-acc summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-acc summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-contact .pc-acc[open] summary::after {
  content: "–";
}

.page-contact .pc-acc summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-contact .pc-acc p {
  margin: 0;
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-acc p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 192, .4);
}

.page-contact .pc-acc p a:hover {
  border-bottom-color: var(--cyan);
}

/* ================= 断点 ================= */

@media (min-width: 640px) {
  .page-contact .pc-panel {
    padding: 30px 28px;
  }

  .page-contact .pc-mail__main,
  .page-contact .pc-mail__side {
    padding: 28px 26px;
  }

  .page-contact .pc-line {
    flex-wrap: nowrap;
    padding: 16px 20px;
  }
}

@media (min-width: 860px) {
  .page-contact {
    padding-block: 12px 110px;
  }

  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: 48px;
    padding-block: 24px 64px;
  }

  .page-contact .pc-block {
    padding-block: 64px;
  }

  .page-contact .pc-console__tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .pc-panel__list li {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-contact .pc-mail__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .95fr);
    gap: 22px;
  }

  .page-contact .pc-phone__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 22px;
    align-items: stretch;
  }

  .page-contact .pc-address__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
  }

  .page-contact .pc-address__media {
    order: 0;
  }

  .page-contact .pc-partner__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-hero h1 {
    font-size: 54px;
  }

  .page-contact .pc-rhythm__timeline {
    padding-left: 30px;
    gap: 30px;
  }

  .page-contact .pc-rhythm__timeline li::before {
    left: -37px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-tab,
  .page-contact .pc-copy,
  .page-contact .pc-acc,
  .page-contact .pc-partner__list li,
  .page-contact .breadcrumb a {
    transition: none;
  }

  .page-contact .pc-tab:hover {
    transform: none;
  }
}