.page-contact {
  --ct-gap: clamp(16px, 2.4vw, 28px);
  background: var(--c-void);
  color: var(--c-white);
  font-family: var(--font-body);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mute);
}

.page-contact .breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .breadcrumb-list li + li::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--line-strong);
}

.page-contact .breadcrumb-current {
  color: var(--c-white);
}

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(900px 420px at 84% -14%, rgba(255, 106, 26, 0.16), transparent 70%),
    radial-gradient(680px 360px at 8% 0%, rgba(24, 224, 200, 0.1), transparent 72%),
    var(--c-void);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.2;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 76%);
  mask-image: linear-gradient(to bottom, #000, transparent 76%);
}

.page-contact .ct-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 28px;
}

.page-contact .ct-hero .display-title {
  margin: 12px 0 18px;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.page-contact .ct-hero .lead {
  max-width: 62ch;
  color: var(--c-mute);
  font-size: 15.5px;
  line-height: 1.85;
  margin: 0;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-hero__signals {
  display: grid;
  gap: 10px;
}

.page-contact .ct-signal {
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--c-orange);
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, rgba(255, 106, 26, 0.09), rgba(14, 20, 32, 0.55) 58%);
}

.page-contact .ct-signal:nth-child(2) {
  border-left-color: var(--c-blue);
  background: linear-gradient(90deg, rgba(61, 217, 255, 0.09), rgba(14, 20, 32, 0.55) 58%);
}

.page-contact .ct-signal:nth-child(3) {
  border-left-color: var(--c-cyan);
  background: linear-gradient(90deg, rgba(24, 224, 200, 0.09), rgba(14, 20, 32, 0.55) 58%);
}

.page-contact .ct-signal__key {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-mute);
}

.page-contact .ct-signal__val {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-white);
}

/* 工单式双栏 */
.page-contact .ct-body {
  padding-top: clamp(36px, 6vw, 72px);
}

.page-contact .ct-cols {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-col-main,
.page-contact .ct-side {
  display: grid;
  gap: var(--ct-gap);
  align-content: start;
  min-width: 0;
}

.page-contact #feedback {
  scroll-margin-top: 96px;
}

.page-contact .ct-ticket {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(21, 29, 43, 0.94), rgba(14, 20, 32, 0.94));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.page-contact .ct-ticket__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-orange);
  background: linear-gradient(90deg, rgba(255, 106, 26, 0.15), transparent 72%);
}

.page-contact .ct-ticket__code {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-amber);
}

.page-contact .ct-field {
  padding: 16px 18px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .ct-field:last-child {
  border-bottom: 0;
}

.page-contact .ct-field__label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-contact .ct-field__label span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--c-mute);
}

.page-contact .ct-field__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-mute);
}

.page-contact .ct-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-chip {
  padding: 6px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(7, 10, 15, 0.55);
  font-size: 13px;
  color: var(--c-mute);
}

.page-contact .ct-chip--on {
  border-color: var(--line-orange);
  background: rgba(255, 106, 26, 0.16);
  color: var(--c-white);
}

/* 反馈模板 */
.page-contact .ct-template {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--c-deep);
  overflow: hidden;
}

.page-contact .ct-template__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(24, 224, 200, 0.06);
}

.page-contact .ct-template__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 14.5px;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-contact .ct-template pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--c-white);
  white-space: pre-wrap;
  word-break: break-word;
}

/* 侧栏面板 */
.page-contact .ct-panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}

.page-contact .ct-panel__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--c-white);
}

.page-contact .ct-panel__title::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--c-orange);
}

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

.page-contact .ct-channel li {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-channel li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-channel__key {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-mute);
}

.page-contact .ct-channel__val {
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-white);
  word-break: break-word;
}

.page-contact .ct-channel__val--mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.01em;
  color: var(--c-blue);
}

.page-contact .ct-channel__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-mute);
}

/* 响应分级 */
.page-contact .ct-sla {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-sla__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--c-orange);
  border-radius: var(--r-sm);
  background: rgba(7, 10, 15, 0.45);
}

.page-contact .ct-sla__row:nth-child(2) {
  border-left-color: var(--c-amber);
}

.page-contact .ct-sla__row:nth-child(3) {
  border-left-color: var(--c-blue);
}

.page-contact .ct-sla__level {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-white);
}

.page-contact .ct-sla__time {
  font-size: 13px;
  text-align: right;
  color: var(--c-cyan);
}

.page-contact .ct-sla__desc {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mute);
}

/* 处理流程 */
.page-contact .ct-flow-band {
  padding: clamp(36px, 6vw, 76px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-flow-band .section-title,
.page-contact .ct-coop-band .section-title,
.page-contact .ct-tips-band .section-title {
  margin: 10px 0 clamp(24px, 4vw, 44px);
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-contact .ct-flow {
  display: grid;
  gap: 30px;
}

.page-contact .ct-track {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-track::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-orange), var(--c-blue) 55%, var(--c-cyan));
  opacity: 0.55;
}

.page-contact .ct-step {
  position: relative;
  padding: 0 0 24px 34px;
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1px solid var(--c-orange);
  background: var(--c-void);
  box-shadow: 0 0 0 4px rgba(255, 106, 26, 0.12);
}

.page-contact .ct-step:nth-child(2)::before {
  border-color: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(255, 177, 92, 0.12);
}

.page-contact .ct-step:nth-child(3)::before {
  border-color: var(--c-blue);
  box-shadow: 0 0 0 4px rgba(61, 217, 255, 0.12);
}

.page-contact .ct-step:nth-child(4)::before {
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(24, 224, 200, 0.12);
}

.page-contact .ct-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}

.page-contact .ct-step__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mute);
}

.page-contact .ct-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-mute);
}

.page-contact .ct-flow__media {
  border: 1px solid var(--line);
}

/* 合作方向 */
.page-contact .ct-coop-band {
  padding: clamp(36px, 6vw, 76px) 0;
}

.page-contact .ct-coop__lead {
  max-width: 66ch;
  margin: -16px 0 clamp(24px, 4vw, 42px);
  color: var(--c-mute);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .ct-coop {
  display: grid;
  gap: 28px;
}

.page-contact .ct-coop__media {
  border: 1px solid var(--line-strong);
}

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

.page-contact .ct-partner {
  position: relative;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(7, 10, 15, 0.5);
}

.page-contact .ct-partner__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16.5px;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-contact .ct-partner__title::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--c-orange);
  vertical-align: middle;
}

.page-contact .ct-partner:nth-child(2) .ct-partner__title::before {
  background: var(--c-blue);
}

.page-contact .ct-partner:nth-child(3) .ct-partner__title::before {
  background: var(--c-cyan);
}

.page-contact .ct-partner__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-mute);
}

/* 提交提示 */
.page-contact .ct-tips-band {
  padding: clamp(36px, 6vw, 76px) 0;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(760px 320px at 90% 0%, rgba(255, 106, 26, 0.1), transparent 70%),
    var(--c-void);
}

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

.page-contact .ct-tips__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mute);
}

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

.page-contact .ct-tips__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(21, 29, 43, 0.55);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mute);
}

.page-contact .ct-tips__item strong {
  color: var(--c-white);
  font-weight: 600;
}

.page-contact .ct-tips__mark {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  padding-top: 3px;
}

.page-contact .ct-link {
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

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

@media (min-width: 940px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 42px;
  }

  .page-contact .ct-flow {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
    gap: 46px;
  }

  .page-contact .ct-coop {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: 46px;
  }

  .page-contact .ct-partners {
    padding-left: 26px;
  }

  .page-contact .ct-partners::before {
    content: "";
    position: absolute;
    left: 0;
    top: 28px;
    bottom: 28px;
    width: 1px;
    background: linear-gradient(180deg, var(--c-orange), var(--c-blue) 55%, var(--c-cyan));
    opacity: 0.5;
  }

  .page-contact .ct-partner::after {
    content: "";
    position: absolute;
    left: -26px;
    top: 50%;
    width: 26px;
    height: 1px;
    background: var(--line-strong);
  }

  .page-contact .ct-tips {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: 42px;
  }
}

@media (min-width: 1040px) {
  .page-contact .ct-cols {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .ct-tips__list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-link {
    transition: none;
  }
}