.page-contact {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .container {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(1.6rem, 4vw, 3rem) 0 clamp(2rem, 5vw, 3.2rem);
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: min(38%, 320px);
  height: 3px;
  background: var(--accent);
}

.page-contact .pc-hero__eyebrow {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--accent);
}

.page-contact .pc-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 20ch;
}

.page-contact .pc-hero__lede {
  margin: 1.2rem 0 0;
  max-width: 40em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .pc-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.6rem;
  margin: 1.9rem 0 0;
  padding: 1.15rem 0 0;
  border-top: 1px dashed var(--line);
  list-style: none;
}

.page-contact .pc-hero__quick-item {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  min-width: 0;
  max-width: 100%;
}

.page-contact .pc-hero__quick-k {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--index);
}

.page-contact .pc-hero__quick-v {
  font-family: var(--font-mono);
  font-size: .9375rem;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 章节头 ---------- */
.page-contact .pc-head {
  margin-bottom: clamp(1.3rem, 3.2vw, 2.2rem);
}

.page-contact .pc-head__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--accent);
  margin-bottom: .7rem;
}

.page-contact .pc-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.35rem);
  line-height: 1.14;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-contact .pc-head__note {
  margin: .65rem 0 0;
  max-width: 46em;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 01 反馈类型 ---------- */
.page-contact .pc-types {
  padding: clamp(2.2rem, 5.5vw, 3.8rem) 0 clamp(1rem, 2.5vw, 1.6rem);
}

.page-contact .type-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(.9rem, 2vw, 1.3rem);
}

.page-contact .type-card {
  position: relative;
  padding: 1.5rem 1.15rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .type-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 3px;
  background: var(--accent);
}

.page-contact .type-card:hover,
.page-contact .type-card:focus-within {
  border-color: var(--accent-soft);
  background: #10294e;
}

.page-contact .type-card__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--index);
}

.page-contact .type-card__title {
  margin: .55rem 0 .55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .type-card__desc {
  margin: 0;
  font-size: .875rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .type-card__path {
  margin: .95rem 0 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--line);
  font-size: .8125rem;
  line-height: 1.72;
  color: var(--index);
}

/* ---------- 02 分栏 ---------- */
.page-contact .pc-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4.5vw, 3rem);
  padding: clamp(2rem, 5vw, 3.4rem) 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-form {
  display: grid;
  gap: 1.5rem;
}

.page-contact .field {
  display: grid;
  gap: .3rem;
}

.page-contact .field__label {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--index);
}

.page-contact .field__input {
  width: 100%;
  padding: .55rem 0 .6rem;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--paper);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  appearance: none;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .field__input::placeholder {
  color: var(--index);
  opacity: 1;
}

.page-contact .field__input:focus {
  outline: none;
  border-bottom-color: var(--accent);
  box-shadow: 0 1px 0 0 var(--accent);
}

.page-contact .field__input--area {
  resize: vertical;
  min-height: 5.5rem;
}

.page-contact .field__hint {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--index);
}

.page-contact .pc-sample {
  margin-top: clamp(1.6rem, 3.5vw, 2.2rem);
  padding: 1.2rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-contact .pc-sample__label {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--accent);
}

.page-contact .pc-sample__body {
  font-family: var(--font-mono);
  font-size: .8125rem;
  line-height: 2;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .pc-sample__foot {
  margin: .9rem 0 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--line);
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 右侧联系 ---------- */
.page-contact .pc-side {
  display: grid;
  gap: 1.2rem;
  align-content: start;
}

.page-contact .pc-side__media {
  margin: 0;
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(1.25rem, 3vw, 1.8rem);
  background: var(--surface);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-contact .contact-card__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .contact-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.1rem;
}

.page-contact .contact-card__row {
  display: grid;
  gap: .3rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px dashed var(--line);
}

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

.page-contact .contact-card__k {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--index);
}

.page-contact .contact-card__v {
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__v--mono {
  font-family: var(--font-mono);
  font-size: clamp(.9375rem, 2.2vw, 1.1rem);
  letter-spacing: -.01em;
}

.page-contact .contact-card__note {
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-card__hours {
  margin: 1.2rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--accent);
}

/* ---------- 03 流程 ---------- */
.page-contact .pc-flow {
  padding: clamp(2rem, 5vw, 3.4rem) 0;
  border-top: 1px solid var(--line);
}

.page-contact .flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 3.5vw, 2.2rem);
}

.page-contact .flow__media {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .flow__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.9);
}

.page-contact .flow__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11, 27, 58, .12);
  pointer-events: none;
}

.page-contact .flow__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
}

.page-contact .flow__step {
  position: relative;
  padding-left: 2.2rem;
}

.page-contact .flow__node {
  position: absolute;
  left: 0;
  top: .3rem;
  width: 14px;
  height: 14px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%);
  transition: background-color .18s var(--ease);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 1.5rem;
  bottom: -1.6rem;
  border-left: 1px dashed var(--line);
}

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

.page-contact .flow__title {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--paper);
  transition: color .18s var(--ease);
}

.page-contact .flow__desc {
  margin: 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .flow__step:hover .flow__node,
.page-contact .flow__step:focus-within .flow__node {
  background: var(--card-yellow);
}

.page-contact .flow__step:hover .flow__title,
.page-contact .flow__step:focus-within .flow__title {
  color: var(--accent-soft);
}

/* ---------- 04 处理顺序 ---------- */
.page-contact .pc-order {
  padding: clamp(2rem, 5vw, 3.4rem) 0 clamp(1.4rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
}

.page-contact .order {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
}

.page-contact .order__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 1.15rem 1.15rem 1.2rem;
  background: var(--surface);
  border-left: 3px solid var(--line);
}

.page-contact .order__item--first {
  border-left-color: var(--card-red);
}

.page-contact .order__item--second {
  border-left-color: var(--card-yellow);
}

.page-contact .order__item--third {
  border-left-color: var(--index);
}

.page-contact .order__rank {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  padding-top: .15rem;
}

.page-contact .order__title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .order__desc {
  margin: 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 尾部链接 ---------- */
.page-contact .pc-tail {
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
  padding-top: 1.4rem;
  border-top: 1px dashed var(--line);
}

.page-contact .pc-tail__title {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--index);
}

.page-contact .pc-tail__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .7rem 1.8rem;
}

.page-contact .pc-tail__link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

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

.page-contact .pc-rule {
  margin-top: clamp(2rem, 5vw, 3.4rem);
  height: clamp(28px, 5vw, 48px);
  background-image: repeating-linear-gradient(45deg, var(--line) 0 1px, transparent 1px 11px);
  opacity: .55;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .flow {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-contact .flow__step {
    padding-left: 0;
    padding-top: 2.7rem;
  }

  .page-contact .flow__node {
    top: .55rem;
    left: 0;
  }

  .page-contact .flow__step::before {
    left: 20px;
    right: -1rem;
    top: calc(.55rem + 6px);
    bottom: auto;
    border-left: 0;
    border-top: 1px dashed var(--line);
  }

  .page-contact .flow__step:last-child::before {
    display: block;
    right: 0;
    opacity: .35;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .pc-side {
    margin-top: clamp(1.5rem, 4vw, 3.5rem);
  }

  .page-contact .type-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 1200px) {
  .page-contact .pc-hero__lede {
    max-width: 38em;
  }
}
</<PAGE_CSS>>>