.page-contact {
  --cut: 26px;
  --cut-sm: 12px;
  --hair: rgba(44, 62, 92, 0.14);
  --line-soft: rgba(255, 255, 255, 0.14);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  overflow-x: hidden;
}

.page-contact .sig-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--signal-soft);
}

.page-contact .sig-label::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--signal);
}

.page-contact h2 {
  margin: 10px 0 0;
  font-size: clamp(1.35rem, 3.6vw, 1.8rem);
  line-height: 1.24;
  letter-spacing: -0.015em;
  font-weight: 900;
}

/* ---------- 顶部信号带 ---------- */
.page-contact .contact-signal {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 26px 0 46px;
  background: var(--navy);
  color: var(--white);
}

.page-contact .contact-signal__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-contact .contact-signal::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    190deg,
    rgba(14, 27, 51, 0.74) 0%,
    rgba(14, 27, 51, 0.9) 58%,
    var(--navy) 100%
  );
}

.page-contact .contact-signal::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--signal) 0%, var(--signal-soft) 58%, var(--lime) 100%);
}

.page-contact .contact-signal__inner {
  position: relative;
}

.page-contact .contact-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.55);
}

.page-contact .contact-crumb a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--lime);
}

.page-contact .contact-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, 0.3);
}

.page-contact .contact-signal h1 {
  max-width: 18em;
  margin: 16px 0 0;
  font-size: clamp(1.9rem, 7vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 900;
}

.page-contact .contact-signal .lede {
  max-width: 44ch;
  margin: 20px 0 0;
  font-size: 0.98rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.82);
}

.page-contact .contact-signal__facts {
  display: grid;
  gap: 1px;
  margin: 34px 0 0;
  padding: 1px 0 0;
  list-style: none;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-signal__facts li {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 14px 14px 16px;
  background: rgba(14, 27, 51, 0.72);
}

.page-contact .fact-k {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.52);
}

.page-contact .fact-v {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--lime);
}

/* ---------- 主体双栏 ---------- */
.page-contact .contact-shell {
  display: grid;
  gap: 26px;
  padding-top: 44px;
  padding-bottom: 12px;
}

/* ---------- 表单面板 ---------- */
.page-contact .contact-form-panel {
  position: relative;
  padding: 24px 18px 28px;
  background: var(--white);
  border: 1px solid var(--stone);
  border-top: 6px solid var(--signal);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-contact .form-head {
  display: grid;
  gap: 18px;
}

.page-contact .form-head__text .eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-contact .form-head__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .form-shot {
  margin: 0;
}

.page-contact .form-shot img {
  display: block;
  width: 100%;
  height: 148px;
  object-fit: cover;
  border: 1px solid var(--navy-2);
}

.page-contact .form-shot figcaption {
  margin-top: 8px;
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 类型卡 ---------- */
.page-contact .type-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}

.page-contact .type-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .type-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 13px 13px 15px;
  background: var(--paper);
  border: 1px solid var(--stone);
  cursor: pointer;
  transition: background 0.2s var(--ease-out), border-color 0.2s var(--ease-out),
    color 0.2s var(--ease-out);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

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

.page-contact .type-card__name {
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .type-card__desc {
  font-size: 12px;
  line-height: 1.62;
  color: var(--slate);
}

.page-contact .type-input:checked + .type-card {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.page-contact .type-input:checked + .type-card .type-card__no {
  color: var(--lime);
}

.page-contact .type-input:checked + .type-card .type-card__desc {
  color: rgba(255, 255, 255, 0.74);
}

.page-contact .type-input:focus-visible + .type-card {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-contact .type-hint {
  display: none;
  grid-column: 1 / -1;
  margin: 2px 0 0;
  padding: 11px 13px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--navy);
  background: rgba(200, 255, 77, 0.2);
  border-left: 3px solid var(--lime);
}

.page-contact #type-data:checked ~ .type-hint--data,
.page-contact #type-report:checked ~ .type-hint--report,
.page-contact #type-play:checked ~ .type-hint--play,
.page-contact #type-coop:checked ~ .type-hint--coop {
  display: block;
}

/* ---------- 表单字段 ---------- */
.page-contact .field-set {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-contact .field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-contact .field label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .field__req {
  display: inline-block;
  margin-left: 7px;
  padding: 1px 5px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--signal);
  border: 1px solid currentColor;
}

.page-contact .field input,
.page-contact .field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--stone);
  border-radius: 0;
  padding: 11px 12px;
  transition: border-color 0.18s var(--ease-out), background 0.18s var(--ease-out);
}

.page-contact .field input {
  border-width: 0 0 1px 0;
  padding-left: 2px;
  padding-right: 2px;
}

.page-contact .field textarea {
  min-height: 136px;
  resize: vertical;
}

.page-contact .field input::placeholder,
.page-contact .field textarea::placeholder {
  color: rgba(44, 62, 92, 0.55);
}

.page-contact .field input:focus,
.page-contact .field textarea:focus {
  outline: none;
  border-color: var(--signal);
  background: var(--white);
}

.page-contact .field input:focus {
  box-shadow: 0 1px 0 0 var(--signal), 0 2px 0 0 rgba(232, 69, 31, 0.24);
}

.page-contact .field textarea:focus {
  box-shadow: inset 0 0 0 1px var(--signal);
}

.page-contact .field__tip {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 提交 ---------- */
.page-contact .submit-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 26px;
}

.page-contact .submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 34px;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--navy);
  background: var(--signal);
  transition: background 0.18s var(--ease-out), color 0.18s var(--ease-out);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-contact .submit-btn:hover,
.page-contact .submit-btn:focus-visible {
  background: var(--navy);
  color: var(--signal-soft);
}

.page-contact .submit-note {
  flex: 1 1 200px;
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 确认态 ---------- */
.page-contact .contact-confirm {
  display: none;
  margin-top: 24px;
  padding: 18px 18px 20px;
  background: var(--navy);
  color: var(--white);
  border-left: 4px solid var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-contact .contact-confirm:target {
  display: block;
}

.page-contact .contact-confirm p {
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.84);
}

.page-contact .contact-confirm .contact-confirm__title {
  margin-bottom: 10px;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--white);
}

.page-contact .contact-confirm .contact-confirm__meta {
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}

/* ---------- 右栏 ---------- */
.page-contact .contact-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .reach-card {
  padding: 24px 20px 26px;
  background: var(--navy);
  color: var(--white);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .reach-card h2 {
  color: var(--white);
  margin-top: 0;
}

.page-contact .reach-card__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.74);
}

.page-contact .reach-list {
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .reach-item {
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .reach-item dt {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.52);
}

.page-contact .reach-item dd {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--white);
  word-break: break-word;
}

.page-contact .reach-item .mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--lime);
}

.page-contact .reach-card__foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.66);
}

.page-contact .timeline-card {
  padding: 22px 20px 24px;
  background: var(--white);
  border: 1px solid var(--stone);
  border-left: 4px solid var(--navy-2);
}

.page-contact .timeline-card__note {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .timeline {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .timeline li {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 1px dashed var(--stone);
}

.page-contact .timeline li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .timeline__dot {
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(232, 69, 31, 0.16);
}

.page-contact .timeline__step {
  display: block;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.page-contact .timeline li p {
  margin: 7px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 旧资料准备区 ---------- */
.page-contact .contact-prep {
  position: relative;
  overflow: hidden;
  margin-top: 40px;
  padding: 42px 0 46px;
  background: var(--navy);
  color: var(--white);
}

.page-contact .contact-prep::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-contact .contact-prep__inner {
  position: relative;
  display: grid;
  gap: 28px;
}

.page-contact .contact-prep__lead h2 {
  color: var(--white);
}

.page-contact .contact-prep__lead > p {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.74);
}

.page-contact .contact-prep__links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 22px;
}

.page-contact .link-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: border-color 0.18s var(--ease-out), background 0.18s var(--ease-out),
    color 0.18s var(--ease-out);
}

.page-contact .link-chip::after {
  content: "→";
  color: var(--lime);
}

.page-contact .link-chip:hover,
.page-contact .link-chip:focus-visible {
  border-color: var(--signal);
  background: rgba(232, 69, 31, 0.16);
  color: var(--lime);
}

.page-contact .prep-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
}

.page-contact .prep-list li {
  padding: 16px 16px 18px;
  background: var(--navy-2);
}

.page-contact .prep-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--signal-soft);
}

.page-contact .prep-list h3 {
  margin: 8px 0 0;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-contact .prep-list p {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .contact-signal__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-form-panel {
    padding: 30px 28px 34px;
  }

  .page-contact .field-set {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 22px;
  }

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

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

@media (min-width: 720px) {
  .page-contact .form-head {
    grid-template-columns: minmax(0, 1fr) 196px;
    align-items: start;
    gap: 26px;
  }

  .page-contact .form-shot img {
    height: 152px;
  }

  .page-contact .type-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-shell {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 40px;
    padding-top: 68px;
  }

  .page-contact .contact-prep {
    margin-top: 64px;
    padding: 56px 0 60px;
  }

  .page-contact .contact-prep__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .type-card,
  .page-contact .field input,
  .page-contact .field textarea,
  .page-contact .submit-btn,
  .page-contact .link-chip {
    transition: none;
  }
}
<<<END>>>