.page-contact {
  display: block;
  --pc-pad: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-contact .page-contact__hero {
  padding-block: clamp(22px, 4vw, 46px) clamp(20px, 3.4vw, 38px);
}

.page-contact .pc-kicker {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-contact .page-contact__hero h1 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(28px, 6.6vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 20ch;
}

.page-contact .pc-hero__lede {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-family: var(--f-serif);
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.75;
}

/* ---------- 分屏骨架 ---------- */
.page-contact .page-contact__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
  padding-bottom: clamp(36px, 6vw, 72px);
}

/* ---------- 左侧联系信息 ---------- */
.page-contact .page-contact__rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .pc-railvisual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  aspect-ratio: 16 / 10;
  background: var(--bg-deep);
}

.page-contact .pc-railvisual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.62;
}

.page-contact .pc-railvisual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(5, 9, 15, 0.15) 0%, rgba(5, 9, 15, 0.86) 78%);
  pointer-events: none;
}

.page-contact .pc-railvisual__tag {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 1;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.page-contact .pc-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .pc-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
  padding: 16px 16px 16px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}

.page-contact .pc-channel:nth-child(2)::before {
  background: var(--cyan);
}

.page-contact .pc-channel:nth-child(3)::before {
  background: var(--warn);
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-visible {
  border-color: var(--cyan);
  background: var(--hover);
  transform: translateY(-2px);
}

.page-contact .pc-channel:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-contact .pc-channel__key {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .pc-channel__val {
  font-family: var(--f-mono);
  font-size: clamp(13px, 3.2vw, 16px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-channel__val--lg {
  font-size: clamp(24px, 6vw, 34px);
  letter-spacing: 0.01em;
  color: var(--accent);
}

.page-contact .pc-channel__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .pc-filing {
  margin: 6px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .pc-filing__note {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .pc-filing__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
}

.page-contact .pc-filing__note a:hover,
.page-contact .pc-filing__note a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- 右侧纵向条目 ---------- */
.page-contact .page-contact__stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 5.5vw, 64px);
  min-width: 0;
}

.page-contact .pc-block {
  min-width: 0;
}

.page-contact .pc-block__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}

.page-contact .pc-block__idx {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.page-contact .pc-block__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .pc-block__intro {
  margin: 0 0 18px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* 咨询范围条目 */
.page-contact .pc-scope {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: pc-scope;
}

.page-contact .pc-scope__item {
  position: relative;
  padding: 16px 16px 16px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent-dim);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-contact .pc-scope__item:hover,
.page-contact .pc-scope__item:focus-visible {
  border-left-color: var(--accent);
  border-color: var(--cyan);
  border-left-color: var(--accent);
  background: var(--hover);
  transform: translateX(2px);
}

.page-contact .pc-scope__item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-contact .pc-scope__t {
  margin: 0 0 6px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 19px);
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-contact .pc-scope__d {
  margin: 0 0 10px;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .pc-scope__item .pill {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(30, 46, 60, 0.5);
}

.page-contact .pc-scope__item .pill--accent {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.page-contact .pc-scope__item .pill--warn {
  border-color: rgba(255, 176, 32, 0.5);
  color: var(--warn);
}

/* 值守时段 */
.page-contact .pc-hours {
  padding: clamp(18px, 3vw, 26px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-contact .pc-hours__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
}

.page-contact .pc-hours__label {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .pc-hours__val {
  font-size: clamp(20px, 4.6vw, 30px);
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-hours__track {
  height: 10px;
  border-radius: var(--r-pill);
  background: linear-gradient(
    90deg,
    var(--line-soft) 0%,
    var(--line-soft) 37.5%,
    var(--accent) 37.5%,
    var(--accent) 95.8%,
    var(--line-soft) 95.8%,
    var(--line-soft) 100%
  );
  box-shadow: inset 0 0 0 1px rgba(18, 74, 56, 0.6);
}

.page-contact .pc-hours__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .pc-hours__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .pc-hours__list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px solid var(--line-soft);
}

.page-contact .pc-hours__k {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .pc-hours__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pc-hours__note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 合作方向 */
.page-contact .pc-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .pc-coop__item {
  padding: 18px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}

.page-contact .pc-coop__item:hover {
  border-color: var(--cyan);
  background: var(--hover);
}

.page-contact .pc-coop__num {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: var(--cyan);
  border-radius: var(--r-sm);
}

.page-contact .pc-coop__t {
  margin: 0 0 8px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(17px, 2.4vw, 20px);
  color: var(--ink);
}

.page-contact .pc-coop__d {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .pc-coop__need {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .pc-coop__need .mono {
  display: inline-block;
  margin-right: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

/* 自助入口 */
.page-contact .pc-self {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .pc-self__item {
  min-width: 0;
}

.page-contact .pc-self__link {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-contact .pc-self__link:hover,
.page-contact .pc-self__link:focus-visible {
  border-color: var(--accent);
  background: var(--hover);
  transform: translateX(2px);
}

.page-contact .pc-self__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-contact .pc-self__k {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.page-contact .pc-self__body {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-contact .pc-self__t {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(15.5px, 2.1vw, 18px);
  color: var(--ink);
}

.page-contact .pc-self__d {
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .pc-self__go {
  flex: none;
  margin-left: auto;
  font-size: 18px;
  color: var(--cyan);
}

/* ---------- 底部横向条带 ---------- */
.page-contact .pc-band {
  position: relative;
  overflow: hidden;
  margin-top: clamp(20px, 4vw, 40px);
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
}

.page-contact .pc-band__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact .pc-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3, 6, 10, 0.92) 0%, rgba(3, 6, 10, 0.55) 100%);
  pointer-events: none;
}

.page-contact .pc-band__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(32px, 6vw, 64px);
}

.page-contact .pc-band__mono {
  margin: 0 0 12px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.page-contact .pc-band__copy {
  margin: 0 0 20px;
  max-width: 52ch;
  font-family: var(--f-serif);
  font-size: clamp(16px, 2.2vw, 21px);
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pc-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-coop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .page-contact__split {
    grid-template-columns: minmax(300px, 38%) minmax(0, 1fr);
    gap: clamp(36px, 4.6vw, 68px);
  }

  .page-contact .page-contact__rail {
    position: sticky;
    top: 96px;
    gap: 16px;
  }

  .page-contact .page-contact__stream {
    border-left: 1px solid var(--line-soft);
    padding-left: clamp(26px, 3.2vw, 44px);
  }

  .page-contact .pc-block {
    position: relative;
  }

  .page-contact .pc-block::before {
    content: "";
    position: absolute;
    top: 11px;
    left: calc(-1 * clamp(26px, 3.2vw, 44px) - 4px);
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: var(--accent);
    box-shadow: 0 0 10px rgba(57, 255, 158, 0.55);
  }

  .page-contact .pc-hours__list li {
    flex-direction: row;
    align-items: baseline;
    gap: 18px;
  }

  .page-contact .pc-hours__k {
    flex: 0 0 130px;
  }
}

@media (min-width: 1200px) {
  .page-contact .page-contact__split {
    grid-template-columns: minmax(320px, 40%) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-scope__item,
  .page-contact .pc-coop__item,
  .page-contact .pc-self__link {
    transition: none;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-scope__item:hover,
  .page-contact .pc-self__link:hover {
    transform: none;
  }
}