/* ===== 联系页 · page-contact ===== */

.page-contact {
  --ct-gap: clamp(20px, 3vw, 32px);
  --ct-line: rgba(30, 74, 120, 0.6);
  display: block;
  padding-bottom: clamp(48px, 6vw, 88px);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(30px, 4.5vw, 52px) clamp(44px, 6vw, 76px);
  border-bottom: 1px solid var(--hull-600);
  background:
    radial-gradient(ellipse 55% 90% at 92% 0%, rgba(34, 211, 238, 0.14), transparent 68%),
    radial-gradient(ellipse 42% 72% at 6% 100%, rgba(14, 116, 144, 0.16), transparent 70%),
    linear-gradient(180deg, rgba(11, 37, 69, 0.62), rgba(6, 20, 38, 0));
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  max-width: 1000px;
}

.page-contact .ct-hero__title {
  margin: 0;
  padding-left: clamp(14px, 2.4vw, 26px);
  border-left: 6px solid var(--electric-cyan);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.875rem, 4.6vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-contact .ct-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .ct-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.8125rem;
  line-height: 1.6;
}

.page-contact .ct-hero__k {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--electric-cyan);
}

.page-contact .ct-hero__v {
  color: var(--text-primary);
}

/* ---------- 受理事项 ---------- */

.page-contact .ct-scope {
  position: relative;
  isolation: isolate;
  padding-block: clamp(56px, 8vw, 100px);
  border-bottom: 1px solid var(--hull-600);
  overflow: hidden;
}

.page-contact .ct-scope__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.55) contrast(1.05);
  pointer-events: none;
}

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

.page-contact .ct-scope__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 30px);
  background: var(--glass);
  border: 2px solid var(--hull-600);
  box-shadow: var(--shadow-hard);
}

.page-contact .ct-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 68%;
  height: 3px;
  background: linear-gradient(90deg, var(--electric-cyan), rgba(34, 211, 238, 0));
}

.page-contact .ct-card__idx {
  padding-bottom: 9px;
  border-bottom: 1px solid var(--ct-line);
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--electric-cyan);
}

.page-contact .ct-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  line-height: 1.35;
  color: var(--text-primary);
}

.page-contact .ct-card__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .ct-scope__hours {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 16px 22px;
  border-left: 3px solid var(--electric-cyan);
  background: rgba(34, 211, 238, 0.06);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-primary);
}

/* ---------- 提交材料 ---------- */

.page-contact .ct-prep {
  padding-block: clamp(56px, 8vw, 100px);
  border-bottom: 1px solid var(--hull-600);
}

.page-contact .ct-prep__pick {
  position: relative;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .ct-prep__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-prep__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .ct-prep__tab {
  padding: 10px 18px;
  border: 2px solid var(--hull-600);
  background: rgba(11, 37, 69, 0.45);
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-prep__tab:hover {
  color: var(--text-primary);
  border-color: var(--cyan-deep);
}

.page-contact .ct-prep__input:focus-visible ~ .ct-prep__tabs {
  outline: 2px dashed var(--electric-cyan);
  outline-offset: 8px;
}

.page-contact #ct-pick-1:checked ~ .ct-prep__tabs label[for="ct-pick-1"],
.page-contact #ct-pick-2:checked ~ .ct-prep__tabs label[for="ct-pick-2"],
.page-contact #ct-pick-3:checked ~ .ct-prep__tabs label[for="ct-pick-3"],
.page-contact #ct-pick-4:checked ~ .ct-prep__tabs label[for="ct-pick-4"] {
  color: var(--abyss-900);
  background: var(--electric-cyan);
  border-color: var(--electric-cyan);
}

.page-contact .ct-prep__panel {
  display: none;
  padding: clamp(22px, 3vw, 34px);
  border: 2px solid var(--hull-600);
  background: linear-gradient(135deg, rgba(11, 37, 69, 0.88), rgba(6, 20, 38, 0.92));
  box-shadow: var(--shadow-hard);
}

.page-contact #ct-pick-1:checked ~ .ct-prep__panels > .ct-prep__panel:nth-child(1),
.page-contact #ct-pick-2:checked ~ .ct-prep__panels > .ct-prep__panel:nth-child(2),
.page-contact #ct-pick-3:checked ~ .ct-prep__panels > .ct-prep__panel:nth-child(3),
.page-contact #ct-pick-4:checked ~ .ct-prep__panels > .ct-prep__panel:nth-child(4) {
  display: block;
  animation: ct-panel-in 0.32s ease both;
}

@keyframes ct-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.page-contact .ct-prep__panel-title {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.4;
  color: var(--text-primary);
}

.page-contact .ct-prep__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 72ch;
}

.page-contact .ct-prep__list li {
  position: relative;
  padding-left: 26px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .ct-prep__list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 9px;
  height: 9px;
  border: 2px solid var(--electric-cyan);
  transform: rotate(45deg);
}

/* ---------- 联系方式 + 处理流程 ---------- */

.page-contact .ct-reach {
  padding-block: clamp(56px, 8vw, 100px);
  border-bottom: 1px solid var(--hull-600);
}

.page-contact .ct-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(40px, 5.5vw, 68px);
}

.page-contact .ct-info {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  align-content: start;
  padding: clamp(24px, 3vw, 36px);
  border: 2px solid var(--hull-600);
  background: linear-gradient(160deg, rgba(11, 37, 69, 0.92), rgba(6, 20, 38, 0.95));
  box-shadow: var(--shadow-hard-lg);
}

.page-contact .ct-info__head,
.page-contact .ct-flow__head {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.375rem, 2.4vw, 1.875rem);
  line-height: 1.25;
  color: var(--text-primary);
}

.page-contact .ct-info__list {
  display: grid;
  gap: 18px;
  margin: 0;
}

.page-contact .ct-info__row {
  display: grid;
  gap: 7px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--ct-line);
}

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

.page-contact .ct-info__label {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-contact .ct-info__value {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 500;
  font-size: clamp(1rem, 2vw, 1.5rem);
  line-height: 1.3;
  color: var(--electric-cyan);
  overflow-wrap: anywhere;
}

.page-contact .ct-info__addr {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-primary);
}

.page-contact .ct-info__note {
  margin: 0;
  padding-top: 4px;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--text-muted);
}

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

.page-contact .ct-info__tips li {
  position: relative;
  padding-left: 20px;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.page-contact .ct-info__tips li::before {
  content: "";
  position: absolute;
  top: 0.8em;
  left: 0;
  width: 10px;
  height: 2px;
  background: var(--coral-orange);
}

.page-contact .ct-info__tips a,
.page-contact .ct-coop__text a,
.page-contact .ct-foot-note a {
  color: var(--electric-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-flow {
  display: grid;
  gap: clamp(20px, 2.6vw, 28px);
  align-content: start;
}

.page-contact .ct-flow__figure {
  margin: 0;
  border: 2px solid var(--hull-600);
  background: var(--abyss-700);
  box-shadow: var(--shadow-hard);
}

.page-contact .ct-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 700;
  object-fit: cover;
}

.page-contact .ct-flow__caption {
  padding: 10px 16px;
  border-top: 1px solid var(--hull-600);
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.page-contact .ct-flow__list {
  position: relative;
  display: grid;
  gap: clamp(22px, 3vw, 30px);
  margin: 0;
  padding: 0 0 0 56px;
  list-style: none;
}

.page-contact .ct-flow__list::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 16px;
  width: 2px;
  background: linear-gradient(180deg, var(--electric-cyan), var(--cyan-deep) 55%, rgba(20, 55, 94, 0.2));
}

.page-contact .ct-flow__item {
  position: relative;
}

.page-contact .ct-flow__idx {
  position: absolute;
  top: 0;
  left: -56px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--electric-cyan);
  background: var(--abyss-900);
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--electric-cyan);
}

.page-contact .ct-flow__title {
  margin: 6px 0 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.4;
  color: var(--text-primary);
}

.page-contact .ct-flow__text {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ---------- 合作与内容协作 ---------- */

.page-contact .ct-coop {
  padding-block: clamp(56px, 8vw, 100px) clamp(24px, 3vw, 40px);
}

.page-contact .ct-coop__box {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  padding: clamp(28px, 4vw, 48px);
  border: 2px solid var(--hull-600);
  background:
    linear-gradient(140deg, rgba(34, 211, 238, 0.09), rgba(6, 20, 38, 0) 58%),
    rgba(11, 37, 69, 0.62);
  box-shadow: var(--shadow-hard-lg);
}

.page-contact .ct-coop__cols {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-contact .ct-coop__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--text-muted);
}

.page-contact .ct-coop__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 4px 0 0;
}

.page-contact .ct-foot-note {
  margin: clamp(32px, 4vw, 48px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--ct-line);
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--text-muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .ct-scope__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-coop__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .ct-duo {
    grid-template-columns: minmax(0, 4.6fr) minmax(0, 6.4fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-scope__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-contact .ct-hero__title {
    border-left-width: 4px;
  }

  .page-contact .ct-prep__tab {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-contact .ct-flow__list {
    padding-left: 44px;
  }

  .page-contact .ct-flow__list::before {
    left: 12px;
  }

  .page-contact .ct-flow__idx {
    left: -44px;
    width: 26px;
    height: 26px;
    font-size: 0.625rem;
  }

  .page-contact .ct-coop__cta .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}