.page-contact {
  color-scheme: dark;
  background:
    radial-gradient(1100px 560px at 88% -12%, rgba(23, 212, 160, 0.12), transparent 68%),
    radial-gradient(900px 520px at 4% 12%, rgba(255, 122, 26, 0.07), transparent 70%),
    var(--db-space);
  color: var(--db-white);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(26px, 4vw, 46px) 0 clamp(30px, 5vw, 58px);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

.page-contact .ct-hero__lead {
  min-width: 0;
}

.page-contact .ct-hero__title {
  margin: 12px 0 0;
  max-width: 18ch;
}

.page-contact .ct-hero__lede {
  margin: 16px 0 0;
  max-width: 48ch;
  color: var(--db-mist);
  font-size: 16px;
  line-height: 1.85;
}

.page-contact .ct-hero__channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .ct-hero__channels li {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--db-line);
  border-radius: var(--db-r-pill);
  background: rgba(18, 58, 92, 0.4);
  color: var(--db-mist);
  font-family: var(--db-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: color 0.25s var(--db-ease), border-color 0.25s var(--db-ease);
}

.page-contact .ct-hero__channels li:hover {
  color: var(--db-green);
  border-color: var(--db-line-green);
}

/* ---------- 区块通用 ---------- */
.page-contact .ct-section {
  padding: clamp(38px, 5.5vw, 74px) 0;
  border-top: 1px solid var(--db-line-soft);
}

.page-contact .ct-head {
  max-width: 760px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .ct-head .db-h2 {
  margin: 10px 0 0;
}

.page-contact .ct-head__note {
  margin: 12px 0 0;
  color: var(--db-mist);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 联系方式总览 ---------- */
.page-contact .ct-lines {
  display: grid;
  gap: 18px;
}

.page-contact .ct-lines__main {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .ct-lines__aside {
  min-width: 0;
}

.page-contact .ct-card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--db-line);
  border-radius: var(--db-r-l);
  background: linear-gradient(160deg, rgba(18, 58, 92, 0.72), rgba(13, 39, 66, 0.62));
  transition: border-color 0.25s var(--db-ease), transform 0.25s var(--db-ease);
}

.page-contact .ct-card:hover {
  border-color: var(--db-line-green);
  transform: translateY(-2px);
}

.page-contact .ct-card__value {
  margin: 8px 0 0;
  font-family: var(--db-mono);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: 0.005em;
  word-break: break-all;
}

.page-contact .ct-card__value--green {
  color: var(--db-green);
  font-size: clamp(17px, 4.4vw, 25px);
}

.page-contact .ct-card__value--teal {
  color: var(--db-teal);
  font-size: clamp(24px, 6vw, 36px);
}

.page-contact .ct-card__addr {
  margin: 8px 0 0;
  color: var(--db-white);
  font-size: 16px;
  line-height: 1.7;
}

.page-contact .ct-card__desc {
  margin: 10px 0 0;
  color: var(--db-mist);
  font-size: 14px;
  line-height: 1.78;
}

.page-contact .ct-card .db-copy {
  margin-top: 14px;
}

.page-contact .ct-figure {
  margin: 0;
  border: 1px solid var(--db-line);
  border-radius: var(--db-r-l);
  background: var(--db-midnight);
  overflow: hidden;
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .ct-figure figcaption {
  padding: 10px 16px 12px;
  border-top: 1px solid var(--db-line-soft);
  color: var(--db-mist);
  font-family: var(--db-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

.page-contact .ct-texture {
  position: relative;
  min-height: 240px;
  height: 100%;
  border: 1px solid var(--db-line);
  border-radius: var(--db-r-l);
  background: linear-gradient(150deg, rgba(18, 58, 92, 0.6), rgba(7, 26, 47, 0.92));
  overflow: hidden;
}

.page-contact .ct-texture img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact .ct-texture__overlay {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  height: 100%;
  min-height: 240px;
  padding: 22px 18px;
}

.page-contact .ct-texture__text {
  margin: 0;
  max-width: 32ch;
  color: var(--db-white);
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 勘误流程 ---------- */
.page-contact .ct-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-flow__steps li {
  position: relative;
  padding: 22px 18px 18px;
  border: 1px solid var(--db-line);
  border-radius: var(--db-r-m);
  background: rgba(13, 39, 66, 0.55);
  transition: border-color 0.25s var(--db-ease), background-color 0.25s var(--db-ease);
}

.page-contact .ct-flow__steps li::before {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  top: -1px;
  height: 2px;
  border-radius: var(--db-r-m) var(--db-r-m) 0 0;
  background: linear-gradient(90deg, var(--db-orange), var(--db-green));
  opacity: 0.85;
}

.page-contact .ct-flow__steps li:hover {
  border-color: var(--db-line-green);
  background: rgba(18, 58, 92, 0.6);
}

.page-contact .ct-flow__num {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--db-orange);
  font-family: var(--db-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
}

.page-contact .ct-flow__steps .db-h3 {
  margin: 0 0 8px;
}

.page-contact .ct-flow__steps p {
  margin: 0;
  color: var(--db-mist);
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 反馈表单 ---------- */
.page-contact .ct-formwrap {
  display: grid;
  gap: 20px;
}

.page-contact .ct-formwrap__side {
  min-width: 0;
}

.page-contact .ct-points {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-points li {
  padding-left: 14px;
  border-left: 2px solid var(--db-line-green);
  color: var(--db-mist);
  font-size: 14px;
  line-height: 1.78;
}

.page-contact .ct-points__k {
  display: block;
  margin-bottom: 2px;
  color: var(--db-teal);
  font-size: 12.5px;
  letter-spacing: 0.08em;
}

.page-contact .ct-formwrap__hint {
  margin: 18px 0 0;
  max-width: 36ch;
  color: var(--db-mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .ct-formwrap__form {
  display: grid;
  gap: 15px;
  padding: 24px 20px;
  min-width: 0;
}

.page-contact .ct-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-contact .ct-field__label {
  color: var(--db-mist);
  font-family: var(--db-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
}

.page-contact .ct-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-chip {
  font: inherit;
  font-size: 13.5px;
  padding: 7px 14px;
  border: 1px solid var(--db-line);
  border-radius: var(--db-r-pill);
  background: rgba(18, 58, 92, 0.4);
  color: var(--db-mist);
  cursor: pointer;
  transition: color 0.2s var(--db-ease), background-color 0.2s var(--db-ease), border-color 0.2s var(--db-ease);
}

.page-contact .ct-chip:hover,
.page-contact .ct-chip:focus-visible {
  color: var(--db-green);
  border-color: var(--db-line-green);
  outline: none;
}

.page-contact .ct-chip[aria-pressed="true"] {
  color: var(--db-space);
  background: var(--db-green);
  border-color: var(--db-green);
  font-weight: 600;
}

.page-contact .ct-input {
  width: 100%;
  font: inherit;
  font-size: 15px;
  color: var(--db-white);
  background: rgba(7, 26, 47, 0.7);
  border: 1px solid var(--db-line);
  border-radius: var(--db-r-s);
  padding: 11px 13px;
  transition: border-color 0.2s var(--db-ease), box-shadow 0.2s var(--db-ease), background-color 0.2s var(--db-ease);
}

.page-contact .ct-input::placeholder {
  color: rgba(143, 169, 196, 0.6);
}

.page-contact .ct-input:focus {
  outline: none;
  border-color: var(--db-green);
  background: rgba(7, 26, 47, 0.96);
  box-shadow: 0 0 0 3px rgba(57, 255, 136, 0.16);
}

.page-contact .ct-input--area {
  resize: vertical;
  min-height: 118px;
  line-height: 1.7;
}

.page-contact .ct-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.page-contact .ct-submit {
  transition: transform 0.2s var(--db-ease), filter 0.2s var(--db-ease);
}

.page-contact .ct-submit:hover {
  filter: brightness(1.08);
}

.page-contact .ct-submit:active {
  transform: translateY(1px);
}

/* ---------- 会员权益 / 大屏技术 ---------- */
.page-contact .ct-duo {
  display: grid;
  gap: 18px;
}

.page-contact .ct-card--tall {
  display: flex;
  flex-direction: column;
  padding: 26px 22px;
}

.page-contact .ct-duo__title {
  margin: 10px 0 0;
  font-size: clamp(20px, 2.6vw, 26px);
}

.page-contact .ct-duo p {
  margin: 12px 0 0;
  color: var(--db-mist);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .ct-link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 18px;
  color: var(--db-green);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--db-ease), color 0.2s var(--db-ease);
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  color: var(--db-teal);
  border-bottom-color: var(--db-teal);
  outline: none;
}

/* ---------- 处理节奏 ---------- */
.page-contact .ct-rhythm {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-rhythm li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-left: 2px solid var(--db-teal);
  border-radius: 0 var(--db-r-m) var(--db-r-m) 0;
  background: linear-gradient(90deg, rgba(18, 58, 92, 0.55), rgba(18, 58, 92, 0));
}

.page-contact .ct-rhythm__num {
  color: var(--db-teal);
  font-family: var(--db-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.page-contact .ct-rhythm p {
  margin: 0;
  color: var(--db-mist);
  font-size: 14.5px;
  line-height: 1.78;
}

/* ---------- 收尾引导 ---------- */
.page-contact .ct-cta__box {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--db-line-green);
  border-radius: var(--db-r-l);
  background:
    radial-gradient(620px 300px at 88% 0%, rgba(57, 255, 136, 0.12), transparent 70%),
    linear-gradient(140deg, rgba(18, 58, 92, 0.7), rgba(7, 26, 47, 0.88));
}

.page-contact .ct-cta p {
  margin: 12px 0 0;
  max-width: 46ch;
  color: var(--db-mist);
  font-size: 15px;
  line-height: 1.82;
}

.page-contact .ct-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-lines__main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-card--mail,
  .page-contact .ct-figure {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .ct-cta__box {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    gap: 30px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(24px, 5vw, 64px);
  }

  .page-contact .ct-hero__channels {
    justify-content: flex-end;
  }

  .page-contact .ct-rhythm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
  }
}

@media (min-width: 940px) {
  .page-contact .ct-formwrap {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 30px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-lines {
    grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
    gap: 22px;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-chip,
  .page-contact .ct-input,
  .page-contact .ct-submit,
  .page-contact .ct-flow__steps li,
  .page-contact .ct-link,
  .page-contact .ct-hero__channels li {
    transition: none;
  }

  .page-contact .ct-card:hover,
  .page-contact .ct-submit:active {
    transform: none;
  }
}