.page-contact {
  --pc-line: rgba(159, 184, 172, 0.2);
  --pc-line-volt: rgba(232, 255, 58, 0.45);
  --pc-radius: 20px 20px 20px 6px;
  --pc-gap: clamp(16px, 2.2vw, 28px);
  color: var(--paper);
}

.page-contact img {
  max-width: 100%;
}

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

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(158deg, var(--ink-700) 0%, var(--ink-900) 62%, var(--ink-900) 100%);
  padding-top: clamp(26px, 4.6vw, 60px);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--volt) 0%, rgba(232, 255, 58, 0) 72%);
  z-index: 1;
}

.page-contact .pc-hero__glow {
  position: absolute;
  top: -32%;
  right: -16%;
  width: min(660px, 72vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 255, 58, 0.16), rgba(232, 255, 58, 0) 66%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 54px);
  align-items: center;
}

.page-contact .pc-hero__grid > * {
  min-width: 0;
}

.page-contact .pc-hero__copy .breadcrumb {
  margin-bottom: 18px;
}

.page-contact .pc-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
  transform: rotate(-0.8deg);
  transform-origin: left center;
}

.page-contact .pc-hero .lead {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-hero__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-hero__points li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .pc-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--volt);
  flex: 0 0 auto;
  min-width: 5.4em;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-contact .pc-hero__media {
  margin: 0;
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
}

.page-contact .pc-hero__media img {
  filter: saturate(0.88) contrast(1.06);
}

/* ---------- 通用标题区 ---------- */

.page-contact .pc-head {
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-contact .pc-head .section-title {
  margin: 10px 0 14px;
  transform: rotate(-0.6deg);
  transform-origin: left center;
}

.page-contact .pc-head .lead {
  max-width: 58ch;
  color: var(--mist);
}

/* ---------- 合作方向选项卡 ---------- */

.page-contact .pc-coop {
  position: relative;
  background: var(--ink-700);
}

.page-contact .coop-tabs {
  position: relative;
  display: grid;
  gap: 18px;
}

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

.page-contact .coop-tabs__rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px;
}

.page-contact .coop-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--pc-line);
  border-radius: 999px;
  color: var(--mist);
  font-family: var(--font-narrow);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.page-contact .coop-tab:hover {
  color: var(--paper);
  border-color: var(--pc-line-volt);
}

.page-contact .coop-tab__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--mist);
}

.page-contact .coop-tabs__panels {
  padding: 20px 16px 26px;
}

.page-contact .coop-panel {
  display: none;
}

.page-contact #pc-coop-content:checked ~ .coop-tabs__panels .coop-panel--1,
.page-contact #pc-coop-data:checked ~ .coop-tabs__panels .coop-panel--2,
.page-contact #pc-coop-local:checked ~ .coop-tabs__panels .coop-panel--3,
.page-contact #pc-coop-biz:checked ~ .coop-tabs__panels .coop-panel--4 {
  display: block;
}

.page-contact .coop-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 29px);
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .coop-panel__text {
  max-width: 52ch;
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .coop-panel__facts {
  margin: 0;
  display: grid;
  gap: 18px;
}

.page-contact .coop-panel__facts dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--volt);
}

.page-contact .coop-panel__facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .pc-coop-input:focus-visible ~ .coop-tabs__rail .coop-tab {
  outline: 2px solid var(--volt);
  outline-offset: -2px;
}

/* ---------- 准备材料 ---------- */

.page-contact .pc-prep__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-prep__card {
  position: relative;
  padding: 26px 22px 26px;
  background: var(--ink-700);
  border: 1px solid var(--pc-line);
  border-radius: var(--pc-radius);
}

.page-contact .pc-prep__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 46px;
  height: 3px;
  background: var(--turf-500);
}

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

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

.page-contact .pc-prep__card:nth-child(4)::before {
  background: var(--wine);
}

.page-contact .pc-prep__title {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .pc-prep__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-prep__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .pc-prep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--volt);
}

/* ---------- 回复流程 ---------- */

.page-contact .pc-flow {
  background: var(--ink-900);
}

.page-contact .pc-flow__grid {
  display: grid;
  gap: clamp(28px, 4vw, 54px);
  align-items: start;
}

.page-contact .pc-flow__grid > * {
  min-width: 0;
}

.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pc-step;
}

.page-contact .pc-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--pc-line);
}

.page-contact .pc-step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-step__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  color: var(--volt);
}

.page-contact .pc-step__title {
  margin: 0 0 6px;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .pc-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .pc-flow__media {
  margin: 0;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-contact .pc-flow__caption {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 常见反馈 ---------- */

.page-contact .pc-feed__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-feed__card {
  padding: 22px 22px 24px;
  background: rgba(6, 42, 34, 0.5);
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--turf-500);
  border-radius: 6px 18px 18px 6px;
}

.page-contact .pc-feed__title {
  margin: 14px 0 8px;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .pc-feed__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 联系方式 ---------- */

.page-contact .pc-channels {
  background: linear-gradient(180deg, var(--indigo) 0%, var(--ink-900) 52%, var(--ink-900) 100%);
}

.page-contact .pc-strip {
  display: grid;
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
  border-radius: var(--pc-radius);
  overflow: hidden;
}

.page-contact .pc-strip__item {
  display: grid;
  gap: 10px;
  padding: 22px 20px;
  background: var(--ink-700);
}

.page-contact .pc-strip__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .pc-strip__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 19px);
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .pc-copy {
  justify-self: start;
}

.page-contact .pc-hours {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-also {
  max-width: 74ch;
  margin: 22px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--pc-line);
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .pc-also a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 255, 58, 0.4);
}

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

/* ---------- 备案与归属 ---------- */

.page-contact .pc-filing__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 28px);
  align-items: start;
  padding: clamp(22px, 3vw, 32px);
  border-left: 3px solid var(--indigo);
  background: rgba(42, 43, 107, 0.24);
  border-radius: 4px 18px 18px 4px;
}

.page-contact .pc-filing__mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--pc-line-volt);
  border-radius: 12px 12px 12px 3px;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: 20px;
  color: var(--volt);
}

.page-contact .pc-filing__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(14px, 1.7vw, 17px);
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .pc-filing__text {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 焦点环 ---------- */

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .pc-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-contact .coop-tabs {
    grid-template-columns: minmax(0, 244px) minmax(0, 1fr);
    gap: 0;
    background: rgba(6, 42, 34, 0.42);
    border: 1px solid var(--pc-line);
    border-radius: var(--pc-radius);
    overflow: hidden;
  }

  .page-contact .coop-tabs__rail {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    padding: 0;
    border-right: 1px solid var(--pc-line);
  }

  .page-contact .coop-tab {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 14px;
    padding: 22px 18px 22px 24px;
    border: 0;
    border-bottom: 1px solid var(--pc-line);
    border-radius: 0;
    font-size: 17px;
  }

  .page-contact .coop-tab:last-child {
    border-bottom: 0;
  }

  .page-contact .coop-tab::after {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 4px;
    height: 0;
    background: var(--volt);
    transform: translateY(-50%);
    transition: height 200ms ease;
  }

  .page-contact .coop-tab:hover {
    border-color: var(--pc-line);
  }

  .page-contact #pc-coop-content:checked ~ .coop-tabs__rail .coop-tab--1,
  .page-contact #pc-coop-data:checked ~ .coop-tabs__rail .coop-tab--2,
  .page-contact #pc-coop-local:checked ~ .coop-tabs__rail .coop-tab--3,
  .page-contact #pc-coop-biz:checked ~ .coop-tabs__rail .coop-tab--4 {
    color: var(--paper);
    background: rgba(232, 255, 58, 0.07);
  }

  .page-contact #pc-coop-content:checked ~ .coop-tabs__rail .coop-tab--1::after,
  .page-contact #pc-coop-data:checked ~ .coop-tabs__rail .coop-tab--2::after,
  .page-contact #pc-coop-local:checked ~ .coop-tabs__rail .coop-tab--3::after,
  .page-contact #pc-coop-biz:checked ~ .coop-tabs__rail .coop-tab--4::after {
    height: 58%;
  }

  .page-contact #pc-coop-content:checked ~ .coop-tabs__rail .coop-tab--1 .coop-tab__no,
  .page-contact #pc-coop-data:checked ~ .coop-tabs__rail .coop-tab--2 .coop-tab__no,
  .page-contact #pc-coop-local:checked ~ .coop-tabs__rail .coop-tab--3 .coop-tab__no,
  .page-contact #pc-coop-biz:checked ~ .coop-tabs__rail .coop-tab--4 .coop-tab__no {
    color: var(--volt);
  }

  .page-contact .coop-tabs__panels {
    padding: clamp(28px, 3.4vw, 48px);
  }

  .page-contact .coop-panel__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .pc-prep__card:nth-child(2) {
    margin-top: 38px;
  }

  .page-contact .pc-prep__card:nth-child(4) {
    margin-top: 22px;
  }

  .page-contact .pc-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
  }

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

  .page-contact .pc-strip__item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-feed__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-feed__card:nth-child(2) {
    margin-top: 26px;
  }

  .page-contact .pc-feed__card:nth-child(3) {
    margin-top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-tab,
  .page-contact .coop-tab::after {
    transition: none;
  }
}