.page-contact {
  background: var(--mist);
  color: var(--graphite);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .pc-crumb {
  background: var(--deep);
  padding: 14px 0 8px;
}
.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(201, 211, 224, 0.45);
}
.page-contact .breadcrumb-link {
  color: var(--stone);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}
.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--orange);
}
.page-contact .breadcrumb-current {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(24px, 5vw, 48px) 0 clamp(48px, 8vw, 92px);
  background: var(--deep);
  color: var(--mist);
  overflow: hidden;
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -35%;
  left: 34%;
  width: 96%;
  height: 180%;
  background: linear-gradient(150deg, rgba(255, 106, 43, 0.26), rgba(46, 139, 255, 0.16) 55%, rgba(23, 195, 162, 0.07));
  transform: rotate(-15deg);
  pointer-events: none;
}
.page-contact .pc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 6vw, 56px);
  align-items: center;
}
.page-contact .pc-hero .index-label {
  display: block;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--orange);
}
.page-contact .pc-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(32px, 8.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 15em;
}
.page-contact .pc-hero__lead {
  margin: 0 0 28px;
  max-width: 48ch;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.78;
  color: var(--stone);
}
.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .pc-hero__visual {
  margin: 0;
  background: var(--deck);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), calc(100% - 44px) 100%, 0 100%);
}
.page-contact .pc-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  min-height: 190px;
  object-fit: cover;
  opacity: 0.82;
}

/* ---------- 章节锚点导航 ---------- */
.page-contact .pc-anchors {
  position: sticky;
  top: var(--header-h);
  z-index: 18;
  background: rgba(10, 27, 51, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-dark);
}
.page-contact .pc-anchors__inner {
  display: flex;
  gap: 8px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-contact .pc-anchors__inner::-webkit-scrollbar {
  display: none;
}
.page-contact .pc-anchor {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-dark);
  color: var(--stone);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.page-contact .pc-anchor__i {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}
.page-contact .pc-anchor:hover,
.page-contact .pc-anchor:focus-visible {
  color: #fff;
  border-color: var(--orange);
  background: rgba(255, 106, 43, 0.14);
}

/* ---------- 通用分区 ---------- */
.page-contact .pc-section {
  padding: clamp(48px, 9vw, 96px) 0;
}
.page-contact .pc-section--mist {
  background: var(--mist);
  color: var(--graphite);
}
.page-contact .pc-section--deck {
  background: var(--deck);
  color: var(--mist);
}
.page-contact .pc-head {
  max-width: 64ch;
  margin: 0 0 clamp(28px, 5vw, 48px);
}
.page-contact .pc-head .index-label {
  display: block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--orange);
}
.page-contact .pc-head h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 5vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 900;
}
.page-contact .pc-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(16, 24, 38, 0.68);
}
.page-contact .pc-section--deck .pc-head__note {
  color: var(--stone);
}

/* ---------- 对照式联系区 ---------- */
.page-contact .pc-split {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}
.page-contact .pc-contact {
  padding: clamp(24px, 4vw, 34px);
  background: var(--deep);
  color: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
.page-contact .pc-contact__tag {
  display: block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--orange);
}
.page-contact .pc-contact__title {
  margin: 0 0 18px;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 900;
}
.page-contact .pc-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-contact__row {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: background-color 0.18s var(--ease), padding-left 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.page-contact .pc-contact__row:hover,
.page-contact .pc-contact__row:focus {
  background: rgba(255, 106, 43, 0.12);
  padding-left: 10px;
  box-shadow: inset 3px 0 0 var(--orange);
  outline: none;
}
.page-contact .pc-contact__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
}
.page-contact .pc-contact__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.8vw, 19px);
  letter-spacing: 0.02em;
  color: #fff;
  word-break: break-all;
}
.page-contact .pc-contact__value--text {
  font-family: var(--font-sans);
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.6;
  word-break: normal;
}
.page-contact .pc-contact__hint {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--stone);
}
.page-contact .pc-contact__legal {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(201, 211, 224, 0.55);
}

.page-contact .pc-choose {
  display: grid;
  gap: 18px;
}
.page-contact .pc-choose__item {
  padding: 20px 22px;
  background: #fff;
  border-left: 3px solid var(--blue);
}
.page-contact .pc-choose__item:nth-child(2) {
  border-left-color: var(--teal);
}
.page-contact .pc-choose__item:nth-child(3) {
  border-left-color: var(--amber);
}
.page-contact .pc-choose__item h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 800;
}
.page-contact .pc-choose__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(16, 24, 38, 0.76);
}
.page-contact .pc-choose__item a {
  color: var(--deck);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
}
.page-contact .pc-choose__item a:hover,
.page-contact .pc-choose__item a:focus-visible {
  color: var(--orange);
}

/* ---------- 邮件提交方式 ---------- */
.page-contact .pc-submit__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}
.page-contact .pc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pcstep;
}
.page-contact .pc-steps li {
  position: relative;
  counter-increment: pcstep;
  padding: 0 0 24px 44px;
}
.page-contact .pc-steps li::before {
  content: "0" counter(pcstep);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--teal);
}
.page-contact .pc-steps li::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 26px;
  bottom: 8px;
  width: 1px;
  background: var(--line-dark);
}
.page-contact .pc-steps li:last-child {
  padding-bottom: 0;
}
.page-contact .pc-steps li:last-child::after {
  display: none;
}
.page-contact .pc-steps strong {
  display: block;
  margin-bottom: 7px;
  font-size: 17px;
  line-height: 1.4;
  color: #fff;
}
.page-contact .pc-steps span {
  display: block;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}
.page-contact .pc-mailcard {
  margin: 0;
  background: var(--deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  overflow: hidden;
}
.page-contact .pc-mailcard img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.5;
}
.page-contact .pc-mailcard__body {
  padding: clamp(20px, 4vw, 30px);
}
.page-contact .pc-mailcard__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
}
.page-contact .pc-mailcode {
  display: block;
  margin: 12px 0 12px;
  padding: 14px 16px;
  background: rgba(255, 106, 43, 0.1);
  border-left: 3px solid var(--orange);
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.2vw, 15px);
  line-height: 1.72;
  color: var(--amber-light);
  word-break: break-word;
  user-select: all;
  -webkit-user-select: all;
}
.page-contact .pc-mailcode:focus {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}
.page-contact .pc-mailcard__tip {
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: var(--stone);
}

/* ---------- 问题分类 ---------- */
.page-contact .pc-topics {
  display: grid;
  gap: 18px;
}
.page-contact .pc-topic {
  padding: clamp(22px, 3.6vw, 30px);
  background: #fff;
  border-top: 3px solid var(--blue);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.page-contact .pc-topic--calib {
  border-top-color: var(--orange);
}
.page-contact .pc-topic--export {
  border-top-color: var(--teal);
}
.page-contact .pc-topic--account {
  border-top-color: var(--blue);
}
.page-contact .pc-topic--partner {
  border-top-color: var(--amber);
}
.page-contact .pc-topic:hover,
.page-contact .pc-topic:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.page-contact .pc-topic__i {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: rgba(16, 24, 38, 0.4);
}
.page-contact .pc-topic h3 {
  margin: 0 0 12px;
  font-size: clamp(20px, 3.6vw, 24px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.01em;
}
.page-contact .pc-topic p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(16, 24, 38, 0.78);
}
.page-contact .pc-topic__more {
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line-light);
}
.page-contact .pc-topic__more li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(16, 24, 38, 0.62);
}
.page-contact .pc-topic__more li:last-child {
  margin-bottom: 0;
}
.page-contact .pc-topic__more li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--orange);
}
.page-contact .pc-topic--export .pc-topic__more li::before {
  background: var(--teal);
}
.page-contact .pc-topic--account .pc-topic__more li::before {
  background: var(--blue);
}
.page-contact .pc-topic--partner .pc-topic__more li::before {
  background: var(--amber);
}

/* ---------- 机构合作 ---------- */
.page-contact .pc-partner {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}
.page-contact .pc-partner__lead .index-label {
  display: block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--orange);
}
.page-contact .pc-partner__lead h2 {
  margin: 0 0 16px;
  font-size: clamp(25px, 5vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 900;
}
.page-contact .pc-partner__lead p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}
.page-contact .pc-partner__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}
.page-contact .pc-partner__list li {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-dark);
}
.page-contact .pc-partner__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber-light);
}
.page-contact .pc-partner__v {
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 服务时段 ---------- */
.page-contact .pc-hours {
  display: grid;
  gap: 22px;
  margin-bottom: clamp(32px, 6vw, 56px);
}
.page-contact .pc-hours__clock {
  padding: clamp(24px, 4vw, 34px);
  background: var(--deep);
  color: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-contact .pc-hours__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(38px, 12vw, 76px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--orange);
}
.page-contact .pc-hours__to {
  position: relative;
  top: -0.4em;
  margin: 0 10px;
  font-size: 15px;
  color: var(--stone);
}
.page-contact .pc-hours__cap {
  display: block;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone);
}
.page-contact .pc-hours__notes {
  display: grid;
  gap: 18px;
}
.page-contact .pc-hours__note {
  padding: 22px;
  background: #fff;
  border-top: 3px solid var(--teal);
}
.page-contact .pc-hours__note:last-child {
  border-top-color: var(--blue);
}
.page-contact .pc-hours__stat {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(40px, 10vw, 64px);
  font-weight: 600;
  line-height: 1;
  color: var(--graphite);
}
.page-contact .pc-hours__note .stat-label {
  display: block;
  margin: 8px 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(16, 24, 38, 0.5);
}
.page-contact .pc-hours__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(16, 24, 38, 0.76);
}

/* ---------- 收尾入口 ---------- */
.page-contact .pc-cta {
  display: grid;
  gap: 24px;
  padding: clamp(26px, 4.5vw, 40px);
  background: var(--deck);
  color: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-contact .pc-cta__text h3 {
  margin: 0 0 12px;
  font-size: clamp(21px, 4vw, 28px);
  line-height: 1.3;
  font-weight: 900;
}
.page-contact .pc-cta__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}
.page-contact .pc-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-choose {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .pc-topics {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .page-contact .pc-hours__notes {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .pc-partner__list li {
    grid-template-columns: 190px 1fr;
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(40px, 5vw, 72px);
  }
  .page-contact .pc-hero__visual {
    margin-top: 24px;
  }
  .page-contact .pc-split {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .pc-contact {
    position: sticky;
    top: calc(var(--header-h) + 64px);
  }
  .page-contact .pc-submit__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-contact .pc-partner {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }
  .page-contact .pc-hours {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .pc-cta {
    grid-template-columns: 6fr 6fr;
    align-items: center;
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-topics {
    grid-template-columns: repeat(12, 1fr);
    gap: 22px 24px;
  }
  .page-contact .pc-topic:nth-child(1) {
    grid-column: 1 / span 7;
  }
  .page-contact .pc-topic:nth-child(2) {
    grid-column: 8 / span 5;
    margin-top: 48px;
  }
  .page-contact .pc-topic:nth-child(3) {
    grid-column: 1 / span 5;
    margin-top: 32px;
  }
  .page-contact .pc-topic:nth-child(4) {
    grid-column: 6 / span 7;
    margin-top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-topic,
  .page-contact .pc-contact__row,
  .page-contact .pc-anchor {
    transition: color 0.18s linear, background-color 0.18s linear, border-color 0.18s linear;
  }
  .page-contact .pc-topic:hover,
  .page-contact .pc-topic:focus-within {
    transform: none;
  }
}