.page-contact {
  --ct-pad: clamp(52px, 8.5vw, 104px);
  background: var(--ink);
  color: var(--white);
}

.page-contact .ct-crumb {
  padding-block: 18px 0;
}

/* ---------- Hero ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero__media {
  position: relative;
  height: clamp(200px, 44vw, 380px);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.06);
}

.page-contact .ct-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(10, 11, 13, 0.95) 14%, rgba(138, 15, 29, 0.66) 58%, rgba(10, 11, 13, 0.42) 100%);
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 2;
  margin-top: -60px;
  padding-bottom: 44px;
}

.page-contact .ct-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 11vw, 86px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-contact .ct-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .ct-quick {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .ct-quick__card {
  background: rgba(21, 23, 28, 0.88);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  padding: 18px 20px;
}

.page-contact .ct-quick__card--blue {
  border-left-color: var(--blue);
}

.page-contact .ct-quick__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-contact .ct-quick__v {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}

/* ---------- 双通道 ---------- */
.page-contact .ct-routes {
  padding-block: var(--ct-pad);
}

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

.page-contact .section__lead {
  color: var(--slate);
  max-width: 66ch;
  line-height: 1.75;
}

.page-contact .ct-routes__grid {
  display: grid;
  gap: 18px;
  margin-top: 38px;
}

.page-contact .ct-route {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(22px, 3vw, 36px);
}

.page-contact .ct-route--fast {
  border-color: rgba(224, 27, 46, 0.5);
  box-shadow: inset 3px 0 0 0 var(--red);
}

.page-contact .ct-route--mail {
  box-shadow: inset 3px 0 0 0 var(--blue);
}

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

.page-contact .ct-route__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .ct-route__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .ct-route__note--tight {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-route__foot {
  margin-top: auto;
  padding-top: 26px;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-step__num {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 0.9;
  font-weight: 700;
  color: var(--red);
}

.page-contact .ct-step__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .ct-step__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .ct-lines {
  margin-top: 22px;
}

.page-contact .ct-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-line__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-contact .ct-line__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.4vw, 17px);
  color: var(--white);
  word-break: break-all;
}

.page-contact .copy-btn {
  min-height: 44px;
  padding: 10px 16px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .copy-btn:hover {
  color: var(--white);
  border-color: var(--slate);
}

.page-contact .copy-btn[data-copied] {
  color: var(--green);
  border-color: rgba(47, 191, 107, 0.6);
}

.page-contact .ct-media {
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
}

.page-contact .ct-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-contact .ct-media__cap {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 雾白联系方式 ---------- */
.page-contact .ct-facts {
  background: var(--mist);
  color: var(--ink);
  padding-block: var(--ct-pad);
}

.page-contact .ct-facts .eyebrow {
  color: var(--red);
}

.page-contact .ct-facts .section__title {
  color: var(--ink);
}

.page-contact .ct-facts .section__lead {
  color: #4C5567;
}

.page-contact .ct-facts__list {
  margin-top: 34px;
  border-top: 1px solid rgba(10, 11, 13, 0.14);
}

.page-contact .ct-fact {
  display: grid;
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(10, 11, 13, 0.14);
}

.page-contact .ct-fact__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #5C6678;
}

.page-contact .ct-fact__v {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .ct-facts .copy-btn {
  justify-self: start;
  color: #5C6678;
  border-color: rgba(10, 11, 13, 0.2);
}

.page-contact .ct-facts .copy-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.page-contact .ct-facts__note {
  margin-top: 32px;
  display: grid;
  gap: 18px;
}

.page-contact .ct-facts__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: #3E4759;
}

.page-contact .ct-facts__note strong {
  color: var(--ink);
}

/* ---------- 商务合作 ---------- */
.page-contact .ct-coop {
  padding-block: var(--ct-pad);
}

.page-contact .ct-coop__grid {
  display: grid;
  gap: 16px;
  margin-top: 38px;
}

.page-contact .ct-coop__card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 26px clamp(20px, 2.6vw, 32px);
  overflow: hidden;
}

.page-contact .ct-coop__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--line);
}

.page-contact .ct-coop__card--red::before {
  background: var(--red);
}

.page-contact .ct-coop__card--blue::before {
  background: var(--blue);
}

.page-contact .ct-coop__card--green::before {
  background: var(--green);
}

.page-contact .ct-coop__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.35;
}

.page-contact .ct-coop__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .ct-coop__brief {
  margin-top: 26px;
  padding: clamp(22px, 3vw, 32px);
  background: rgba(47, 107, 255, 0.06);
  border: 1px solid rgba(47, 107, 255, 0.3);
}

.page-contact .ct-coop__brief-title {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 700;
}

.page-contact .ct-coop__brief-note {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 地址与时效 ---------- */
.page-contact .ct-reach {
  padding-block: var(--ct-pad);
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-reach__grid {
  display: grid;
  gap: 30px;
  margin-top: 34px;
}

.page-contact .ct-reach__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-contact .ct-reach__value {
  margin: 12px 0 0;
  font-size: clamp(18px, 4.4vw, 24px);
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .ct-reach__addr .copy-btn {
  margin-top: 18px;
}

.page-contact .ct-reach__note {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .ct-reach__track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-contact .ct-strip__item {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 164px;
  padding: 18px;
  background: #1B1E25;
  border: 1px solid var(--line);
}

.page-contact .ct-strip__num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  font-weight: 700;
  color: var(--blue);
}

.page-contact .ct-strip__item:nth-child(3) .ct-strip__num {
  color: var(--green);
}

.page-contact .ct-strip__item:nth-child(4) .ct-strip__num {
  color: var(--red);
}

.page-contact .ct-strip__txt {
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .ct-reach__scope {
  margin: 30px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 提交前准备 ---------- */
.page-contact .ct-prep {
  padding-block: var(--ct-pad);
}

.page-contact .ct-prep__body {
  margin-top: 34px;
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .filter-btn {
  min-height: 44px;
  padding: 0 20px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .filter-btn:hover {
  color: var(--white);
  border-color: var(--slate);
}

.page-contact .filter-btn.is-active {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.page-contact .filter-count {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-contact .ct-prep__grid {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.page-contact .ct-prep__card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 26px clamp(20px, 2.6vw, 32px);
}

.page-contact .ct-prep__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .ct-prep__list li {
  position: relative;
  padding-left: 20px;
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate);
}

.page-contact .ct-prep__list li:first-child {
  margin-top: 0;
}

.page-contact .ct-prep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--red);
}

/* ---------- 延伸入口 ---------- */
.page-contact .ct-next {
  padding-block: clamp(44px, 6.5vw, 76px) clamp(56px, 8vw, 96px);
  border-top: 1px solid var(--line);
}

.page-contact .ct-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4vw, 30px);
  letter-spacing: -0.01em;
}

.page-contact .ct-next__text {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .ct-next__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-quick {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .ct-steps {
    display: grid;
  }

  .page-contact .ct-facts__note {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    margin-top: -108px;
    padding-bottom: 72px;
  }

  .page-contact .ct-hero__lead {
    font-size: 17px;
  }

  .page-contact .ct-routes__grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    gap: 22px;
  }

  .page-contact .ct-fact {
    grid-template-columns: 180px 1fr auto;
    align-items: center;
    gap: 28px;
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-contact .ct-reach__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1160px) {
  .page-contact .ct-quick {
    gap: 16px;
  }

  .page-contact .ct-coop__brief {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px 28px;
  }

  .page-contact .ct-coop__brief-title {
    flex: 0 0 auto;
    margin-bottom: 0;
  }

  .page-contact .ct-coop__brief .chip-row {
    flex: 1 1 auto;
  }

  .page-contact .ct-coop__brief-note {
    flex: 1 1 100%;
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .filter-btn {
    transition: none;
  }
}