/* ===== 咨询与合作页 ===== */
.page-contact {
  --pc-gap: 20px;
  --pc-rule: rgba(43, 227, 208, 0.32);
  color: var(--mist-50);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  margin-block: 20px 4px;
  font-size: 13px;
  color: var(--mist-300);
}

.page-contact .breadcrumb a {
  color: var(--mist-300);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan-400);
}

.page-contact .breadcrumb span[aria-current="page"] {
  color: var(--mist-50);
}

.page-contact .eyebrow {
  color: var(--cyan-400);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin: 0 0 10px;
}

.page-contact .section-head {
  margin-bottom: 24px;
}

.page-contact .section-head h2 {
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.01em;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-block: 8px 8px;
}

.page-contact .pc-hero__title {
  font-size: clamp(30px, 8vw, 64px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 16em;
}

.page-contact .pc-hero__accent {
  color: var(--cyan-400);
  display: block;
}

.page-contact .pc-hero__lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist-300);
  max-width: 60ch;
  margin: 0 0 20px;
}

.page-contact .pc-hero__pills {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0 0 28px;
}

.page-contact .pill {
  border-radius: var(--r-pill);
  padding: 7px 15px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--line-500);
  color: var(--mist-300);
  background: var(--abyss-800);
}

.page-contact .pill--cyan {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
  background: rgba(43, 227, 208, 0.1);
}

.page-contact .pill--flare {
  border-color: var(--flare-300);
  color: var(--flare-300);
  background: rgba(255, 90, 43, 0.12);
}

.page-contact .pc-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--abyss-800);
}

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

/* ---------- 直接联系 ---------- */
.page-contact .pc-reach {
  margin-top: var(--step);
}

.page-contact .pc-reach__list {
  display: grid;
  gap: 12px;
}

.page-contact .pc-reach__item {
  display: grid;
  gap: 6px;
  padding: 24px 22px 26px;
  border-radius: var(--r-lg);
  background: var(--abyss-800);
  border: 1px solid var(--line-500);
  text-decoration: none;
  color: inherit;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.page-contact .pc-reach__item:hover,
.page-contact .pc-reach__item:focus-visible {
  background: rgba(43, 227, 208, 0.12);
  border-color: var(--cyan-400);
  transform: translateX(4px);
  outline: none;
}

.page-contact .pc-reach__item--flare:hover,
.page-contact .pc-reach__item--flare:focus-visible {
  background: rgba(255, 90, 43, 0.14);
  border-color: var(--flare-500);
}

.page-contact .pc-reach__key {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  font-weight: 700;
}

.page-contact .pc-reach__item--flare .pc-reach__key {
  color: var(--flare-300);
}

.page-contact .pc-reach__val {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 5.2vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--mist-50);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-reach__val--mail {
  font-size: clamp(17px, 4.4vw, 30px);
}

.page-contact .pc-reach__use {
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-300);
  max-width: 58ch;
}

.page-contact .pc-addr {
  margin-top: 16px;
  padding: 20px 22px;
  border-left: 3px solid var(--cyan-700);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: linear-gradient(90deg, rgba(20, 51, 90, 0.9), rgba(4, 16, 31, 0));
}

.page-contact .pc-addr__key {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--mist-300);
}

.page-contact .pc-addr__val {
  margin: 0 0 8px;
  font-size: clamp(18px, 4.6vw, 26px);
  font-weight: 700;
  color: var(--mist-50);
}

.page-contact .pc-addr__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-300);
  max-width: 56ch;
}

/* ---------- 常见事项 ---------- */
.page-contact .pc-topics {
  margin-top: var(--step);
}

.page-contact .pc-topics__sub {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-300);
  max-width: 56ch;
}

.page-contact .pc-topics__list {
  display: grid;
  gap: 12px;
}

.page-contact .topic {
  border-radius: var(--r-md);
  background: var(--abyss-800);
  border: 1px solid var(--line-500);
  overflow: hidden;
  transition: border-color 180ms ease;
}

.page-contact .topic[open],
.page-contact .topic:hover {
  border-color: var(--cyan-700);
}

.page-contact .topic__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 700;
  color: var(--mist-50);
}

.page-contact .topic__summary::-webkit-details-marker {
  display: none;
}

.page-contact .topic__summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -3px;
}

.page-contact .topic__title {
  font-size: clamp(18px, 4.4vw, 22px);
  font-weight: 800;
}

.page-contact .topic__tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--flare-300);
  background: rgba(255, 90, 43, 0.14);
  border-radius: var(--r-pill);
  padding: 4px 11px;
}

.page-contact .topic__mark {
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
  margin-left: auto;
}

.page-contact .topic__mark::before,
.page-contact .topic__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan-400);
  transform: translateY(-50%);
  transition: transform 180ms ease, background-color 180ms ease;
}

.page-contact .topic__mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-contact .topic[open] .topic__mark::after {
  transform: translateY(-50%) rotate(0deg);
  background: var(--flare-500);
}

.page-contact .topic__body {
  padding: 0 20px 22px;
  border-top: 1px solid var(--line-500);
  margin-top: -1px;
  padding-top: 18px;
}

.page-contact .topic__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
  max-width: 62ch;
}

.page-contact .topic__label {
  margin: 16px 0 8px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  font-weight: 700;
}

.page-contact .topic__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-contact .topic__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--mist-50);
}

.page-contact .topic__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: var(--r-pill);
  background: var(--cyan-400);
}

/* ---------- 合作流程 ---------- */
.page-contact .pc-process {
  margin-top: var(--step);
}

.page-contact .pc-process__grid {
  display: grid;
  gap: 32px;
}

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

.page-contact .step {
  position: relative;
  padding: 0 0 28px 60px;
}

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

.page-contact .step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 0;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan-700), rgba(43, 227, 208, 0.12));
}

.page-contact .step:last-child::before {
  display: none;
}

.page-contact .step__no {
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  border: 2px solid var(--cyan-400);
  background: var(--abyss-950);
  color: var(--cyan-400);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.02em;
  transition: background-color 180ms ease, color 180ms ease;
}

.page-contact .step__card {
  border-radius: var(--r-md);
  background: var(--abyss-800);
  padding: 18px 18px 20px;
  border: 1px solid transparent;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-contact .step:hover .step__card {
  border-color: var(--cyan-700);
  background: var(--abyss-600);
}

.page-contact .step:hover .step__no {
  background: var(--cyan-400);
  color: var(--abyss-950);
}

.page-contact .step__title {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 800;
  color: var(--mist-50);
}

.page-contact .step__meta {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--flare-300);
  letter-spacing: 0.04em;
}

.page-contact .step__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-300);
  max-width: 60ch;
}

.page-contact .step__mats-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  font-weight: 700;
}

.page-contact .step__mats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .step__mats li {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist-50);
  background: rgba(43, 227, 208, 0.1);
  border: 1px solid rgba(43, 227, 208, 0.35);
  border-radius: var(--r-pill);
  padding: 5px 12px;
}

.page-contact .pc-process__aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .pc-flow {
  width: 100%;
  height: auto;
  max-width: 380px;
}

.page-contact .pc-process__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--abyss-800);
}

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

.page-contact .media-frame__caption {
  display: block;
  padding: 12px 16px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist-300);
  background: var(--abyss-800);
}

/* ---------- 响应提示 ---------- */
.page-contact .pc-response {
  margin-top: var(--step);
}

.page-contact .pc-response__grid {
  display: grid;
  gap: 14px;
}

.page-contact .pc-note {
  padding: 22px 20px;
  border-radius: var(--r-md);
  background: linear-gradient(160deg, var(--abyss-600), var(--abyss-800));
  border-top: 3px solid var(--cyan-400);
}

.page-contact .pc-note__k {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 5vw, 28px);
  color: var(--flare-500);
  letter-spacing: -0.01em;
}

.page-contact .pc-note__t {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--mist-50);
}

.page-contact .pc-note__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist-300);
}

.page-contact .pc-tips {
  margin-top: 20px;
  padding: 22px 20px;
  border-radius: var(--r-md);
  background: var(--abyss-800);
  border: 1px solid var(--line-500);
}

.page-contact .pc-tips__title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 800;
  color: var(--mist-50);
}

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

.page-contact .pc-tips__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--mist-300);
}

.page-contact .pc-tips__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--flare-500);
}

/* ---------- 站点信息 ---------- */
.page-contact .pc-aboutus {
  margin-top: var(--step);
}

.page-contact .pc-facts {
  margin: 0;
  display: grid;
  gap: 2px;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .pc-facts__row {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--abyss-800);
}

.page-contact .pc-facts__row:nth-child(odd) {
  background: var(--abyss-600);
}

.page-contact .pc-facts dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  font-weight: 700;
}

.page-contact .pc-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-50);
}

/* ---------- 全宽数据条 ---------- */
.page-contact .pc-bar {
  margin-top: var(--step);
  padding-block: 26px;
  background: linear-gradient(90deg, var(--abyss-600), var(--abyss-800) 70%);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-contact .pc-bar__inner {
  display: grid;
  gap: 20px;
}

.page-contact .pc-bar__item {
  border-left: 2px solid var(--cyan-400);
  padding-left: 14px;
}

.page-contact .pc-bar__item--keys {
  border-left-color: var(--flare-500);
}

.page-contact .pc-bar__k {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 5vw, 30px);
  line-height: 1.1;
  color: var(--mist-50);
}

.page-contact .pc-bar__item--keys .pc-bar__k {
  font-size: clamp(16px, 4vw, 20px);
  color: var(--flare-300);
}

.page-contact .pc-bar__t {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist-300);
}

/* ---------- 延伸阅读 ---------- */
.page-contact .pc-links {
  margin-top: var(--step);
  padding-bottom: 40px;
}

.page-contact .pc-links__title {
  font-size: clamp(19px, 4.6vw, 24px);
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--mist-50);
}

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

.page-contact .pc-links__list a {
  display: block;
  padding: 14px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-500);
  background: rgba(10, 27, 51, 0.7);
  color: var(--mist-50);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.page-contact .pc-links__list a:hover,
.page-contact .pc-links__list a:focus-visible {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
  background: rgba(43, 227, 208, 0.08);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-contact {
    --step: 72px;
  }

  .page-contact .pc-reach__item {
    padding: 30px 32px 32px;
    border-radius: var(--r-lg);
  }

  .page-contact .pc-topics__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
  }

  .page-contact .pc-response__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .pc-bar__inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

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

  .page-contact .pc-facts__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
    padding: 18px 22px;
  }

  .page-contact .pc-addr {
    padding: 24px 28px;
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-process__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .pc-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-contact .pc-hero__title {
    max-width: 14em;
  }

  .page-contact .pc-steps {
    padding-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-reach__item,
  .page-contact .step__card,
  .page-contact .step__no,
  .page-contact .pc-links__list a,
  .page-contact .topic__mark::after {
    transition: none;
  }

  .page-contact .pc-reach__item:hover,
  .page-contact .pc-reach__item:focus-visible {
    transform: none;
  }
}
</main>

.page-contact {
  --rule: currentColor;
}