.page-contact {
  --contact-grid-line: rgba(143, 163, 191, 0.22);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
  padding-bottom: 80px;
}

.page-contact .breadcrumb {
  padding: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

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

.page-contact .breadcrumb a:hover {
  color: var(--amber);
}

.page-contact .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line-strong);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 32px 0 56px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 72%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 138, 61, 0.08), rgba(255, 138, 61, 0) 64%);
  clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-contact .contact-hero__lead .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin: 0 0 20px;
}

.page-contact .contact-hero__lead .display {
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: clamp(38px, 8.4vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0 0 22px;
  max-width: 12em;
}

.page-contact .contact-hero__lead .lede {
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 38em;
  margin: 0 0 28px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__actions .btn {
  border-radius: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------- 联系面板 ---------- */
.page-contact .contact-panel {
  position: relative;
  background: var(--steel);
  border: 1px solid var(--line-strong);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .contact-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 56px;
  height: 3px;
  background: var(--amber);
}

.page-contact .contact-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .contact-panel__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .contact-panel__fig {
  margin: 0;
  background: var(--abyss);
  border: 1px solid var(--line);
  padding: 10px;
}

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

.page-contact .contact-panel__items {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.page-contact .contact-panel__item {
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  margin-top: 16px;
}

.page-contact .contact-panel__item:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.page-contact .contact-panel__item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin: 0 0 6px;
}

.page-contact .contact-panel__item dd {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
  margin: 0 0 6px;
  line-height: 1.5;
  word-break: break-all;
}

.page-contact .contact-panel__note {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
  margin: 0;
}

/* ---------- 服务范围条带 ---------- */
.page-contact .scope-band {
  margin: 8px 0 64px;
  background: var(--abyss);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  padding: 36px 0;
}

.page-contact .scope-band__inner {
  display: grid;
  gap: 28px;
}

.page-contact .scope-band__lead .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
  margin: 0 0 12px;
}

.page-contact .scope-band__lead h2 {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 14px;
  line-height: 1.25;
}

.page-contact .scope-band__lead p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  margin: 0;
}

.page-contact .scope-band__meter-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--jade-soft);
  margin: 0 0 10px;
}

.page-contact .time-bar__scale {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.page-contact .time-bar__scale span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .time-bar__track {
  height: 12px;
  border: 1px solid var(--line-strong);
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent calc(25% - 1px),
      rgba(27, 42, 74, 0.85) calc(25% - 1px),
      rgba(27, 42, 74, 0.85) 25%
    ),
    linear-gradient(90deg, var(--amber-soft), var(--amber));
}

.page-contact .time-bar__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
  margin: 10px 0 0;
}

/* ---------- 提交前准备 ---------- */
.page-contact .prep {
  padding: 8px 0 64px;
}

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

.page-contact .prep__lead .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin: 0 0 12px;
}

.page-contact .prep__lead h2 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 14px;
  line-height: 1.25;
}

.page-contact .prep__lead > p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  margin: 0;
  max-width: 38em;
}

.page-contact .prep-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .prep-check {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  padding: 14px 12px 14px 10px;
  border-top: 1px solid var(--contact-grid-line);
  cursor: pointer;
  position: relative;
  align-items: start;
  transition: background 0.18s var(--ease);
}

.page-contact .prep-check:last-child {
  border-bottom: 1px solid var(--contact-grid-line);
}

.page-contact .prep-check:hover {
  background: rgba(44, 62, 92, 0.55);
}

.page-contact .prep-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .prep-check__mark {
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-strong);
  background: transparent;
  margin-top: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .prep-check__input:checked + .prep-check__mark {
  background: var(--jade);
  border-color: var(--jade);
}

.page-contact .prep-check__input:checked + .prep-check__mark::after {
  content: "";
  width: 10px;
  height: 5px;
  border-left: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(-45deg) translateY(-1px);
}

.page-contact .prep-check__input:focus-visible + .prep-check__mark {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .prep-check__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .prep-check__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  transition: color 0.18s var(--ease);
}

.page-contact .prep-check__input:checked ~ .prep-check__body .prep-check__title {
  color: var(--jade-soft);
}

.page-contact .prep-check__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .prep__fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--abyss);
  padding: 12px;
  align-self: start;
}

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

.page-contact .prep__fig figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
  padding: 12px 4px 0;
}

/* ---------- 分类入口 ---------- */
.page-contact .routes {
  padding: 8px 0 64px;
}

.page-contact .routes .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 24px;
}

.page-contact .routes .section-head__title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0;
  line-height: 1.25;
}

.page-contact .routes .section-head__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .route-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--contact-grid-line);
  border: 1px solid var(--contact-grid-line);
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 176px;
  padding: 20px;
  background: var(--abyss);
  text-decoration: none;
  color: inherit;
  transition: background 0.18s var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  background: #16253f;
  outline: none;
}

.page-contact .route-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .route-card__title {
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .route-card__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
  flex: 1 1 auto;
}

.page-contact .route-card__go {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
  transition: color 0.18s var(--ease);
}

.page-contact .route-card:hover .route-card__go,
.page-contact .route-card:focus-visible .route-card__go {
  color: var(--amber);
}

/* ---------- 两类高频情况 ---------- */
.page-contact .drills {
  padding: 0 0 64px;
}

.page-contact .drills > .wrap > h2 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 24px;
  line-height: 1.25;
}

.page-contact .drills__grid {
  display: grid;
  gap: 16px;
}

.page-contact .drill {
  position: relative;
  background: var(--steel);
  border: 1px solid var(--line);
  padding: 24px 22px 22px;
}

.page-contact .drill::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 3px;
  height: 46px;
  background: var(--amber);
}

.page-contact .drill__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  display: block;
  margin-bottom: 12px;
}

.page-contact .drill__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
  margin: 0 0 12px;
  line-height: 1.3;
}

.page-contact .drill p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  margin: 0 0 16px;
}

.page-contact .drill__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.4);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .drill__link:hover {
  color: var(--amber-soft);
  border-color: var(--amber-soft);
}

/* ---------- 反馈整理 ---------- */
.page-contact .compose {
  padding: 40px 0 0;
  border-top: 1px solid var(--line-strong);
}

.page-contact .compose .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.page-contact .compose .section-head__title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0;
  line-height: 1.25;
}

.page-contact .compose .section-head__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .compose__note {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  margin: 0 0 26px;
  max-width: 44em;
}

.page-contact .req {
  color: var(--alert);
  font-weight: 700;
}

.page-contact .compose__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--abyss);
}

.page-contact .field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .field__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .field__control {
  width: 100%;
  box-sizing: border-box;
  background: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 0;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  padding: 12px 14px;
  transition: border-color 0.18s var(--ease);
  -webkit-appearance: none;
  appearance: none;
}

.page-contact .field__control:hover {
  border-color: var(--mist);
}

.page-contact .field__control:focus {
  outline: none;
  border-color: var(--amber);
}

.page-contact .field__control::placeholder {
  color: rgba(143, 163, 191, 0.6);
}

.page-contact .field__control--area {
  resize: vertical;
  min-height: 118px;
}

.page-contact .field__control:invalid:not(:placeholder-shown) {
  border-color: rgba(217, 105, 76, 0.85);
}

.page-contact .compose__foot {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  margin: 22px 0 0;
  max-width: 46em;
}

.page-contact .compose__foot .mono {
  font-family: var(--font-mono);
  color: var(--paper);
  word-break: break-all;
}

.page-contact .compose__foot a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.4);
}

.page-contact .compose__foot a:hover {
  color: var(--amber-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero {
    padding: 40px 0 72px;
  }

  .page-contact .contact-panel {
    padding: 24px;
  }

  .page-contact .scope-band {
    padding: 44px 0;
    margin-bottom: 72px;
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .compose__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 22px;
    padding: 28px;
  }

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

@media (min-width: 1024px) {
  .page-contact {
    padding-bottom: 104px;
  }

  .page-contact .contact-hero {
    padding: 56px 0 88px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-hero__lead {
    padding-top: 12px;
  }

  .page-contact .scope-band__inner {
    grid-template-columns: 7fr 5fr;
    gap: 64px;
    align-items: end;
  }

  .page-contact .prep__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: start;
  }

  .page-contact .drills__grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-contact .scope-band__lead h2,
  .page-contact .prep__lead h2,
  .page-contact .routes .section-head__title,
  .page-contact .drills > .wrap > h2,
  .page-contact .compose .section-head__title {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}
<<<END>>>