.page-contact {
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  padding-top: 18px;
  padding-bottom: 12px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: 6px 0 34px;
  background:
    radial-gradient(92% 74% at 4% 0%, rgba(200, 255, 61, 0.07), transparent 62%),
    radial-gradient(70% 96% at 100% 0%, rgba(90, 138, 120, 0.16), transparent 58%);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--lime) 0%, rgba(200, 255, 61, 0) 44%, var(--line) 100%);
  opacity: 0.6;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 24px;
}

.page-contact .ct-hero__copy .eyebrow {
  margin: 0;
}

.page-contact .ct-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 5.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 22ch;
}

.page-contact .ct-hero__lead {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-hero__facts {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-hero__facts li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--paper);
}

.page-contact .ct-hero__facts .dot {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 8px;
}

.page-contact .ct-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-deep);
  box-shadow: 0 26px 60px -46px rgba(0, 0, 0, 0.95);
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
}

@media (min-width: 1080px) {
  .page-contact .ct-hero {
    padding-bottom: 40px;
  }
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    gap: 36px;
  }
}

/* ---------- 通用标题 ---------- */
.page-contact .ct-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.5vw, 29px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* ---------- 主区：联系方式 + 类型切换 ---------- */
.page-contact .ct-main {
  padding: 40px 0 4px;
}

.page-contact .ct-main__intro {
  margin: 12px 0 22px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-contact {
  position: relative;
  overflow: hidden;
  padding: 20px 18px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .ct-contact__texture {
  position: absolute;
  right: -66px;
  bottom: -78px;
  width: 250px;
  height: 250px;
  margin: 0;
  opacity: 0.14;
  pointer-events: none;
}

.page-contact .ct-contact__texture img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.45);
}

.page-contact .ct-contact__title {
  position: relative;
  margin: 0 0 14px;
  padding-left: 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-contact .ct-contact__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 13px;
  transform: translateY(-50%);
  background: var(--lime);
}

.page-contact .ct-contact__list {
  position: relative;
  margin: 0;
}

.page-contact .ct-contact__row {
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-contact__row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .ct-contact__row dt {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .ct-contact__row dd {
  margin: 0;
  display: grid;
  gap: 6px;
}

.page-contact .ct-contact__value {
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
  text-decoration: none;
}

.page-contact .ct-contact__value.mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--lime);
  border-bottom: 1px solid rgba(200, 255, 61, 0.32);
  padding-bottom: 1px;
}

.page-contact .ct-contact__value.mono:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-contact .ct-contact__note {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 类型切换 ---------- */
.page-contact .ct-switch {
  position: relative;
  padding: 16px 16px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .ct-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-contact .ct-switch__bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-contact .ct-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 8px 10px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: var(--panel-deep);
  border: 1px solid var(--line);
  cursor: pointer;
  transition:
    color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .ct-tab:hover {
  color: var(--paper);
  border-color: var(--teal);
}

.page-contact #ct-topic-1:checked ~ .ct-switch__bar label[for="ct-topic-1"],
.page-contact #ct-topic-2:checked ~ .ct-switch__bar label[for="ct-topic-2"],
.page-contact #ct-topic-3:checked ~ .ct-switch__bar label[for="ct-topic-3"],
.page-contact #ct-topic-4:checked ~ .ct-switch__bar label[for="ct-topic-4"] {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .ct-radio:focus-visible ~ .ct-switch__bar label {
  outline: none;
}

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

.page-contact .ct-panel {
  display: none;
}

.page-contact #ct-topic-1:checked ~ .ct-switch__panels .ct-panel--1,
.page-contact #ct-topic-2:checked ~ .ct-switch__panels .ct-panel--2,
.page-contact #ct-topic-3:checked ~ .ct-switch__panels .ct-panel--3,
.page-contact #ct-topic-4:checked ~ .ct-switch__panels .ct-panel--4 {
  display: block;
  animation: ct-panel-in var(--dur) var(--ease) both;
}

@keyframes ct-panel-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-contact .ct-panel__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-panel__lead {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-panel__list {
  list-style: none;
  counter-reset: ctstep;
  margin: 0;
  padding: 0;
}

.page-contact .ct-panel__list li {
  counter-increment: ctstep;
  position: relative;
  padding: 11px 0 11px 42px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .ct-panel__list li::before {
  content: counter(ctstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

@media (min-width: 768px) {
  .page-contact .ct-switch__bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .ct-switch {
    padding: 18px 20px 22px;
  }
}

/* ---------- 提交前清单 ---------- */
.page-contact .ct-prep {
  padding: 42px 0 4px;
}

.page-contact .ct-prep__intro {
  margin: 10px 0 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .ct-prep__checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-check {
  margin: 0;
}

.page-contact .ct-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-contact .ct-check__label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  height: 100%;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  cursor: pointer;
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-contact .ct-check__label:hover {
  border-color: var(--teal);
}

.page-contact .ct-check__box {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  background: var(--panel-deep);
  border: 1px solid var(--line);
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .ct-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg) scale(0);
  transform-origin: center;
  transition: transform var(--dur) var(--ease);
}

.page-contact .ct-check__input:checked + .ct-check__label {
  background: var(--panel-deep);
  border-color: var(--lime);
}

.page-contact .ct-check__input:checked + .ct-check__label .ct-check__box {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .ct-check__input:checked + .ct-check__label .ct-check__box::after {
  transform: rotate(42deg) scale(1);
}

.page-contact .ct-check__input:focus-visible + .ct-check__label {
  border-color: var(--lime);
}

.page-contact .ct-check__text {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .ct-check__text b {
  display: block;
  margin-bottom: 3px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--paper);
}

@media (min-width: 768px) {
  .page-contact .ct-prep__checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-prep__checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 处理流程 ---------- */
.page-contact .ct-flow {
  padding: 44px 0 4px;
}

.page-contact .ct-flow__track {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-flow__step {
  position: relative;
  padding: 24px 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

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

.page-contact .ct-flow__step:hover {
  background: var(--panel-deep);
  border-color: var(--teal);
}

.page-contact .ct-flow__idx {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-contact .ct-flow__dot {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
}

.page-contact .ct-flow__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-flow__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .ct-flow__hint {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--lime);
  transition: opacity var(--dur) var(--ease);
}

@media (hover: hover) and (min-width: 900px) {
  .page-contact .ct-flow__hint {
    opacity: 0;
  }
  .page-contact .ct-flow__step:hover .ct-flow__hint,
  .page-contact .ct-flow__step:focus-within .ct-flow__hint {
    opacity: 1;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-flow__track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .ct-flow__step + .ct-flow__step {
    margin-left: -1px;
  }
}

/* ---------- 自助入口 ---------- */
.page-contact .ct-self {
  padding: 44px 0 64px;
}

.page-contact .ct-self__card {
  padding: 26px 20px 24px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-deep) 100%);
  border: 1px solid var(--line);
}

.page-contact .ct-self__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 28px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-self__head p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-self__links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-self__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 14px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  background: var(--ink);
  border: 1px solid var(--line);
  transition:
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-contact .ct-self__links a::after {
  content: "\2192";
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
}

.page-contact .ct-self__links a:hover {
  color: var(--lime);
  border-color: var(--lime);
  background: var(--panel);
}

.page-contact .ct-self__back {
  margin: 22px 0 0;
}

@media (min-width: 768px) {
  .page-contact .ct-self__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-self__card {
    padding: 32px 28px 30px;
  }
}

/* ---------- 降级与偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-tab,
  .page-contact .ct-check__box,
  .page-contact .ct-check__box::after,
  .page-contact .ct-check__label,
  .page-contact .ct-flow__step,
  .page-contact .ct-flow__hint,
  .page-contact .ct-self__links a {
    transition: none;
  }
  .page-contact #ct-topic-1:checked ~ .ct-switch__panels .ct-panel--1,
  .page-contact #ct-topic-2:checked ~ .ct-switch__panels .ct-panel--2,
  .page-contact #ct-topic-3:checked ~ .ct-switch__panels .ct-panel--3,
  .page-contact #ct-topic-4:checked ~ .ct-switch__panels .ct-panel--4 {
    animation: none;
  }
}