.page-contact {
  --pc-r: 28px;
  --pc-r-sm: 18px;
  --pc-hair: rgba(90, 122, 147, 0.28);
  --pc-hair-dark: rgba(12, 26, 38, 0.13);
  background: var(--ink);
  color: var(--white);
  overflow-x: clip;
}

.page-contact .section {
  padding-block: clamp(48px, 7vw, 92px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(20px, 3.4vw, 34px) clamp(46px, 7vw, 84px);
  background:
    radial-gradient(120% 92% at 88% 0%, rgba(255, 106, 26, 0.18) 0%, rgba(255, 106, 26, 0) 58%),
    linear-gradient(165deg, var(--ink) 0%, var(--steel) 90%);
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -55%;
  width: min(720px, 88vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle, rgba(63, 169, 138, 0.16), rgba(63, 169, 138, 0) 62%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .pc-hero__mark {
  display: none;
  position: absolute;
  right: clamp(14px, 3vw, 36px);
  top: clamp(120px, 17vw, 190px);
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.42em;
  color: rgba(168, 220, 201, 0.45);
  pointer-events: none;
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--celadon);
}

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

.page-contact .crumbs__item + .crumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .crumbs__link,
.page-contact .crumbs__current {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-contact .crumbs__link {
  text-decoration: none;
}

.page-contact .crumbs__link:hover {
  color: var(--orange);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 48px);
}

.page-contact .pc-hero__title {
  margin: 14px 0 0;
  max-width: 19ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .pc-hero__lead .lede {
  max-width: 44ch;
  margin: 18px 0 0;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: #C6D8E4;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .pc-hero__actions .btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  border-radius: var(--r-pill);
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.03em;
}

.page-contact .pc-hero__actions .btn--anchor {
  background: var(--orange);
  color: var(--white);
  border: 1px solid var(--orange);
}

.page-contact .pc-hero__actions .btn--anchor:hover {
  background: var(--orange-deep);
  border-color: var(--orange-deep);
}

.page-contact .pc-hero__actions .btn--line {
  background: transparent;
  color: var(--celadon-soft);
  border: 1px solid rgba(168, 220, 201, 0.42);
}

.page-contact .pc-hero__actions .btn--line:hover {
  border-color: var(--celadon);
  color: var(--white);
}

.page-contact .pc-clock {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 3vw, 26px);
  border: 1px solid var(--pc-hair);
  border-radius: var(--pc-r);
  background: rgba(255, 255, 255, 0.035);
}

.page-contact .pc-clock__cap {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--celadon-soft);
}

.page-contact .pc-clock__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  padding-top: 12px;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-clock__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-contact .pc-clock__unit {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--white);
}

.page-contact .pc-clock__text {
  flex: 1 1 100%;
  margin: 6px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 章节表头 ---------- */
.page-contact .sec-head__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .sec-head__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .sec-head__note {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--celadon);
}

/* ---------- 联系方式 ---------- */
.page-contact .pc-channel {
  background: var(--paper);
  color: var(--paper-ink);
}

.page-contact .pc-channel .sec-head__title,
.page-contact .pc-central .sec-head__title {
  color: var(--paper-ink);
}

.page-contact .pc-channel .sec-head__index,
.page-contact .pc-central .sec-head__index {
  color: var(--orange-deep);
}

.page-contact .pc-channel .sec-head__note,
.page-contact .pc-central .sec-head__note {
  color: #1F6B57;
}

.page-contact .pc-channel__grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .pc-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 30px);
  background: var(--white);
  border: 1px solid var(--pc-hair-dark);
  border-radius: var(--pc-r);
  box-shadow: 0 18px 44px -34px rgba(12, 26, 38, 0.5);
}

.page-contact .pc-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange-deep);
}

.page-contact .pc-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 21px);
  line-height: 1.35;
  color: var(--paper-ink);
}

.page-contact .pc-card__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-mute);
}

.page-contact .pc-card__value {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(12, 26, 38, 0.2);
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 17px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__figure {
  margin-top: clamp(20px, 3vw, 32px);
  border-radius: var(--pc-r);
  overflow: hidden;
}

.page-contact .pc-channel__figure .frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

/* ---------- 需要哪些信息 ---------- */
.page-contact .pc-need {
  background: linear-gradient(180deg, var(--steel) 0%, var(--ink) 100%);
  color: var(--white);
}

.page-contact .pc-need__lede {
  max-width: 56ch;
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.7vw, 16.5px);
  line-height: 1.85;
  color: #BFD3E0;
}

.page-contact .pc-need__list {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-req {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  padding-left: clamp(60px, 8vw, 78px);
  border: 1px solid var(--pc-hair);
  border-radius: var(--pc-r-sm);
  background: rgba(255, 255, 255, 0.035);
}

.page-contact .pc-req__no {
  position: absolute;
  left: clamp(18px, 2.4vw, 24px);
  top: clamp(19px, 3vw, 25px);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
}

.page-contact .pc-req__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 19px);
  line-height: 1.4;
  color: var(--white);
}

.page-contact .pc-req__text {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mute);
}

/* ---------- 服务路径 ---------- */
.page-contact .pc-flow {
  background:
    radial-gradient(90% 60% at 8% 0%, rgba(63, 169, 138, 0.12), rgba(63, 169, 138, 0) 60%),
    var(--ink);
  color: var(--white);
}

.page-contact .pc-tree {
  display: grid;
  gap: 14px;
  max-width: 900px;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-tree__item {
  position: relative;
  padding-left: 42px;
}

.page-contact .pc-tree__item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 46px;
  bottom: -14px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 106, 26, 0.55), rgba(63, 169, 138, 0.28));
}

.page-contact .pc-tree__item:last-child::before {
  content: none;
}

.page-contact .pc-tree__item::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--orange);
}

.page-contact .pc-node > .pc-node__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px clamp(16px, 2.4vw, 22px);
  list-style: none;
  cursor: pointer;
  border: 1px solid var(--pc-hair);
  border-radius: var(--pc-r-sm);
  background: rgba(255, 255, 255, 0.04);
  transition: background 0.24s ease, border-color 0.24s ease;
}

.page-contact .pc-node > .pc-node__head::-webkit-details-marker {
  display: none;
}

.page-contact .pc-node > .pc-node__head:hover {
  border-color: rgba(63, 169, 138, 0.5);
}

.page-contact .pc-node[open] > .pc-node__head {
  border-color: rgba(255, 106, 26, 0.5);
  background: rgba(255, 106, 26, 0.07);
}

.page-contact .pc-node__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--celadon);
}

.page-contact .pc-node__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 2.1vw, 18px);
  color: var(--white);
}

.page-contact .pc-node__time {
  padding: 3px 11px;
  border: 1px solid rgba(255, 106, 26, 0.42);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-contact .pc-node__head::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--celadon);
  transition: transform 0.24s ease, color 0.24s ease;
}

.page-contact .pc-node[open] > .pc-node__head::after {
  transform: rotate(45deg);
  color: var(--orange);
}

.page-contact .pc-node__body {
  padding: 14px clamp(16px, 2.4vw, 22px) 6px;
}

.page-contact .pc-node__body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mute);
}

/* ---------- 中原区域 ---------- */
.page-contact .pc-central {
  background: var(--paper);
  color: var(--paper-ink);
}

.page-contact .pc-central__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(24px, 4vw, 38px);
}

.page-contact .pc-central__figure .frame__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--pc-r);
  object-fit: cover;
}

.page-contact .pc-central__body p {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper-mute);
}

.page-contact .pc-central__facts {
  display: grid;
  gap: 1px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  border-radius: var(--pc-r-sm);
  overflow: hidden;
  background: rgba(12, 26, 38, 0.1);
}

.page-contact .pc-central__facts li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 14px;
  padding: 13px 18px;
  background: var(--white);
}

.page-contact .pc-central__k {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--paper-mute);
}

.page-contact .pc-central__v {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .pc-central__facts li:first-child .pc-central__v {
  color: var(--orange-deep);
}

.page-contact .pc-central .muted {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: #4E6478;
}

/* ---------- 常见疑问 ---------- */
.page-contact .pc-ask {
  background: linear-gradient(180deg, var(--ink) 0%, var(--steel) 100%);
  color: var(--white);
}

.page-contact .pc-ask__grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .pc-ask__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--pc-hair);
  border-radius: var(--pc-r);
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.24s ease, background 0.24s ease, transform 0.24s ease;
}

.page-contact .pc-ask__item:hover {
  border-color: rgba(255, 106, 26, 0.55);
  background: rgba(255, 106, 26, 0.07);
  transform: translateY(-3px);
}

.page-contact .pc-ask__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--celadon);
}

.page-contact .pc-ask__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.4;
  color: var(--white);
}

.page-contact .pc-ask__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .pc-ask__go {
  margin-top: auto;
  padding-top: 14px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-contact .pc-more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(20px, 3vw, 26px) clamp(20px, 3vw, 30px);
  border: 1px solid var(--pc-hair);
  border-radius: var(--pc-r);
  background: rgba(10, 13, 16, 0.42);
}

.page-contact .pc-more__text {
  margin: 0;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--celadon-soft);
}

.page-contact .pc-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .pc-more__links .btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border: 1px solid rgba(168, 220, 201, 0.35);
  border-radius: var(--r-pill);
  background: transparent;
  font-family: var(--font-display);
  font-size: 13.5px;
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.24s ease, color 0.24s ease;
}

.page-contact .pc-more__links .btn:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* ---------- 焦点与动效 ---------- */
.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-contact .pc-hero__actions .btn {
    padding: 13px 28px;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-need__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .pc-ask__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.55fr);
    align-items: end;
  }

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

  .page-contact .pc-central__grid {
    grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-hero__mark {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    animation: none !important;
  }

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