.page-contact {
  --ct-hair: rgba(216, 210, 196, 0.22);
  --ct-hair-ink: rgba(11, 17, 20, 0.14);
  background-color: var(--ink);
  color: var(--paper);
  padding-top: var(--qm-header-h);
  padding-bottom: clamp(56px, 8vw, 110px);
  overflow-x: clip;
}

.page-contact .ct-wrap {
  width: 100%;
  max-width: var(--qm-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--qm-rail);
  padding-right: var(--qm-rail);
}

/* ---------- 首屏框景 ---------- */
.page-contact .ct-hero {
  padding: clamp(8px, 2vw, 26px) var(--qm-rail) 0;
}

.page-contact .ct-frame {
  position: relative;
  max-width: var(--qm-max);
  margin: 0 auto;
  padding: clamp(22px, 4.4vw, 52px) clamp(18px, 4vw, 48px) clamp(28px, 5vw, 56px);
  border: 1px solid var(--ct-hair);
  background-color: var(--ink);
  background-image:
    radial-gradient(115% 105% at 94% -12%, rgba(18, 166, 122, 0.28) 0%, rgba(6, 16, 25, 0) 58%),
    linear-gradient(158deg, #0d2130 0%, #061019 64%);
  overflow: hidden;
}

.page-contact .ct-frame::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px dashed rgba(111, 242, 208, 0.16);
  pointer-events: none;
}

.page-contact .ct-frame__ticks {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 11px;
  background-image: repeating-linear-gradient(to bottom, rgba(111, 242, 208, 0.42) 0 1px, transparent 1px 8px);
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .ct-crumb {
  margin-bottom: clamp(18px, 3vw, 28px);
  font-size: 13px;
  color: var(--muted);
}

.page-contact .ct-crumb .qm-breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 166, 122, 0.55);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .ct-crumb .qm-breadcrumb__link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-hero__meta {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 6px 12px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid rgba(111, 242, 208, 0.3);
  background-color: rgba(6, 16, 25, 0.55);
}

.page-contact .ct-hero__title {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6.2vw, 64px);
  line-height: 1.09;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-hero__lead {
  max-width: 40em;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  font-size: clamp(15px, 1.32vw, 18px);
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.8);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

/* ---------- 双栏：联系卡 + 合作流程 ---------- */
.page-contact .ct-body {
  padding: clamp(42px, 6.6vw, 90px) 0 0;
}

.page-contact .ct-body__inner {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
  align-items: start;
}

.page-contact .ct-kicker {
  display: block;
  margin-bottom: 10px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--green);
}

.page-contact .ct-kicker--light {
  color: var(--cyan);
}

.page-contact .ct-section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 2.7vw, 32px);
  line-height: 1.26;
  letter-spacing: -0.01em;
}

.page-contact .ct-section-title--light {
  color: var(--paper);
}

.page-contact .ct-card {
  position: relative;
  padding: clamp(22px, 3.2vw, 34px);
  background-color: var(--paper);
  color: var(--ink-deep);
  border: 1px solid var(--ink-deep);
  box-shadow: 7px 7px 0 rgba(216, 210, 196, 0.4);
}

.page-contact .ct-card .ct-kicker {
  color: var(--deep);
}

.page-contact .ct-card .ct-section-title {
  color: var(--ink-deep);
}

.page-contact .ct-list {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-list__item {
  padding: 16px 0;
  border-top: 1px solid var(--ct-hair-ink);
}

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

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

.page-contact .ct-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #5d686e;
}

.page-contact .ct-value {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(13px, 1.15vw, 15.5px);
  line-height: 1.55;
  color: var(--ink);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact a.ct-value {
  border-bottom: 1px solid rgba(18, 166, 122, 0.6);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact a.ct-value:hover {
  color: #0b6b52;
  border-color: #0b6b52;
}

.page-contact .ct-note {
  margin: 7px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: #4a545a;
}

.page-contact .ct-collab {
  position: relative;
  padding: clamp(22px, 3.2vw, 36px);
  background-color: var(--panel);
  border: 1px solid rgba(111, 242, 208, 0.16);
  box-shadow: inset 0 1px 0 rgba(111, 242, 208, 0.26);
}

.page-contact .ct-collab .ct-section-title {
  color: var(--paper);
}

.page-contact .ct-acc {
  margin-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid rgba(216, 210, 196, 0.16);
}

.page-contact .ct-acc .qm-acc__item {
  border-bottom: 1px solid rgba(216, 210, 196, 0.16);
}

.page-contact .qm-acc__btn {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 0 15px 14px;
  border: 0;
  border-left: 3px solid transparent;
  background-color: transparent;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: clamp(15px, 1.32vw, 17px);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-contact .qm-acc__btn:hover {
  color: var(--cyan);
}

.page-contact .qm-acc__btn[aria-expanded="true"] {
  border-left-color: var(--orange);
}

.page-contact .qm-acc__icon {
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--muted);
  transition: transform 0.2s ease, color 0.2s ease;
}

.page-contact .qm-acc__btn[aria-expanded="true"] .qm-acc__icon {
  color: var(--orange);
  transform: rotate(45deg);
}

.page-contact .qm-acc__panel {
  padding: 0 0 18px 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.76);
}

.page-contact .qm-acc__panel p {
  margin: 0 0 10px;
}

.page-contact .qm-acc__panel p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-steps {
  margin: clamp(24px, 3.2vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 18px;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 32px;
  bottom: 0;
  width: 1px;
  background-image: linear-gradient(to bottom, rgba(18, 166, 122, 0.65), rgba(18, 166, 122, 0.06));
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  background-color: var(--cyan);
}

.page-contact .ct-step__title {
  margin: 3px 0 4px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-step__body {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.72);
}

/* ---------- 响应时效带 ---------- */
.page-contact .ct-sla {
  margin-top: clamp(44px, 7vw, 92px);
  padding: clamp(34px, 5.4vw, 66px) 0;
  background-color: var(--deep);
  background-image:
    linear-gradient(104deg, rgba(18, 166, 122, 0.42) 0%, rgba(23, 59, 50, 0) 62%),
    repeating-linear-gradient(to right, rgba(111, 242, 208, 0.14) 0 1px, transparent 1px 48px);
  border-top: 1px solid rgba(111, 242, 208, 0.24);
  border-bottom: 1px solid rgba(111, 242, 208, 0.24);
}

.page-contact .ct-sla__inner {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  align-items: center;
}

.page-contact .ct-sla__text {
  max-width: 34em;
  margin: 16px 0 0;
  font-size: clamp(14.5px, 1.25vw, 17px);
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.78);
}

.page-contact .ct-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 3.4vw, 44px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ct-metric__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 5.2vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-contact .ct-metric__num--wide {
  font-size: clamp(22px, 3.2vw, 34px);
  color: var(--cyan);
}

.page-contact .ct-metric__unit {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .ct-metric__cap {
  margin: 10px 0 0;
  font-size: 13.5px;
  color: rgba(244, 241, 232, 0.72);
}

.page-contact .ct-sla__figure {
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(111, 242, 208, 0.28);
  background-color: rgba(6, 16, 25, 0.72);
}

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

.page-contact .ct-sla__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 反馈入口 ---------- */
.page-contact .ct-feedback {
  padding: clamp(44px, 7vw, 92px) 0 0;
}

.page-contact .ct-feedback__head {
  max-width: 46em;
}

.page-contact .ct-feedback__lead {
  margin: 16px 0 0;
  font-size: clamp(14.5px, 1.25vw, 17px);
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.76);
}

.page-contact .ct-feedback__stack {
  display: grid;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 34px);
}

.page-contact .ct-fb-card {
  background-color: var(--paper);
  color: var(--ink-deep);
  border: 1px solid var(--ink-deep);
  box-shadow: 5px 5px 0 rgba(216, 210, 196, 0.28);
}

.page-contact .ct-fb-card__btn {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  border-left: 4px solid transparent;
  background-color: transparent;
  color: inherit;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(15px, 1.35vw, 17px);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.page-contact .ct-fb-card__btn[aria-expanded="true"] {
  border-left-color: var(--orange);
}

.page-contact .ct-fb-card__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--deep);
}

.page-contact .ct-fb-card__btn .qm-acc__icon {
  color: #6f7a80;
}

.page-contact .ct-fb-card__btn[aria-expanded="true"] .qm-acc__icon {
  color: var(--orange);
}

.page-contact .ct-fb-card__panel {
  padding: 0 18px 18px 18px;
  font-size: 14px;
  line-height: 1.78;
  color: #3f4a50;
}

.page-contact .ct-fb-card__panel p {
  margin: 0;
}

.page-contact .ct-feedback__link {
  margin: clamp(22px, 3vw, 30px) 0 0;
}

/* ---------- 到访地址 ---------- */
.page-contact .ct-addr {
  margin-top: clamp(44px, 7vw, 92px);
  padding: clamp(34px, 5.4vw, 66px) 0;
  border-top: 1px solid var(--ct-hair);
  border-bottom: 1px solid var(--ct-hair);
  background-image:
    linear-gradient(180deg, rgba(6, 16, 25, 0.86) 0%, rgba(6, 16, 25, 0.94) 100%),
    repeating-linear-gradient(to right, rgba(216, 210, 196, 0.16) 0 1px, transparent 1px 40px);
}

.page-contact .ct-addr__inner {
  display: grid;
  gap: clamp(24px, 3.4vw, 46px);
  align-items: center;
}

.page-contact .ct-addr__text {
  max-width: 34em;
  margin: 16px 0 0;
  font-size: clamp(14.5px, 1.25vw, 17px);
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.78);
}

.page-contact .ct-addr__dl {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
}

.page-contact .ct-addr__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px dashed rgba(216, 210, 196, 0.24);
}

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

.page-contact .ct-addr__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green);
}

.page-contact .ct-addr__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.15vw, 15px);
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-addr__figure {
  margin: 0;
  border: 1px solid rgba(216, 210, 196, 0.26);
  padding: 8px;
  background-color: rgba(14, 27, 38, 0.8);
}

.page-contact .ct-addr__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
}

.page-contact .ct-addr__caption {
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 延伸阅读 ---------- */
.page-contact .ct-next {
  padding: clamp(40px, 6vw, 84px) 0 0;
}

.page-contact .ct-next__list {
  display: grid;
  gap: 14px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-next__item {
  padding: 18px 20px;
  border: 1px solid rgba(216, 210, 196, 0.2);
  border-left: 3px solid var(--green);
  background-color: var(--panel);
}

.page-contact .ct-next__link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.5vw, 18px);
  font-weight: 800;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 242, 208, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .ct-next__link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.page-contact .ct-next__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 232, 0.72);
}

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

  .page-contact .ct-next__item:nth-child(2) {
    transform: translateY(14px);
  }
}

@media (min-width: 880px) {
  .page-contact .ct-sla__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.84fr);
  }

  .page-contact .ct-addr__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }

  .page-contact .ct-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-next__item:nth-child(2) {
    transform: translateY(18px);
  }
}

@media (min-width: 960px) {
  .page-contact .ct-body__inner {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
  }

  .page-contact .ct-feedback__stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .ct-fb-card__btn {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
  }

  .page-contact .ct-fb-card__num {
    grid-column: 1 / -1;
    display: block;
    margin-bottom: 2px;
  }

  .page-contact .ct-fb-card__panel {
    padding-left: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .qm-acc__icon,
  .page-contact .qm-acc__btn,
  .page-contact .ct-fb-card__btn,
  .page-contact .ct-next__link,
  .page-contact .ct-crumb .qm-breadcrumb__link {
    transition: none;
  }
}