.page-contact {
  --ct-blue: #6E86B8;
  --ct-accent: var(--cyan);
  color: var(--text);
  overflow-x: clip;
}

.page-contact .section-head__title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-top: clamp(8px, 2vw, 24px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -100px;
  width: min(640px, 88vw);
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 50% 50%, rgba(51, 235, 214, 0.16), rgba(138, 92, 255, 0.12) 46%, transparent 72%);
  filter: blur(18px);
  pointer-events: none;
  z-index: 0;
}

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

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

.page-contact .ct-hero__lead .display {
  margin: 0 0 16px;
}

.page-contact .ct-hero__lead .lede {
  margin: 0 0 4px;
}

.page-contact .ct-hero__visual {
  margin: clamp(20px, 3vw, 34px) 0 0;
}

.page-contact .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 联系信息卡 */
.page-contact .ct-contact {
  position: relative;
  margin-top: clamp(24px, 4vw, 0px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--cyan);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(51, 235, 214, 0.09), rgba(15, 24, 50, 0.72) 42%, var(--glass));
  box-shadow: 0 0 46px rgba(51, 235, 214, 0.12);
  backdrop-filter: blur(14px);
  min-width: 0;
}

.page-contact .ct-contact__title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-contact .ct-contact__hint {
  margin: 8px 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-contact__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--grid-line);
}

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

.page-contact .ct-contact__key {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}

.page-contact .ct-contact__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-contact .ct-contact__row--last .ct-contact__val {
  color: var(--cyan);
}

.page-contact .copy-btn {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--grid-line);
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background 180ms var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  border-color: var(--cyan);
  background: rgba(51, 235, 214, 0.1);
  outline: none;
}

.page-contact .ct-contact__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--grid-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 提交前准备 ---------- */
.page-contact .ct-prepare__intro .section-head__title {
  margin: 10px 0 14px;
}

.page-contact .ct-prepare__intro .prose {
  margin: 0 0 12px;
  color: var(--text-dim);
}

.page-contact .ct-prepare__tip {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-faint);
}

.page-contact .ct-prepare__tip a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 235, 214, 0.4);
}

.page-contact .ct-prepare__panel {
  margin-top: clamp(24px, 4vw, 0px);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--glass-line);
  border-radius: var(--r-md);
  background: var(--glass);
}

.page-contact .ct-prepare__panel-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  font-weight: 400;
  color: var(--violet);
  text-transform: uppercase;
}

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

.page-contact .ct-check__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.page-contact .ct-check__box {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--grid-line);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

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

.page-contact .ct-check__box:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-check__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.page-contact .ct-check__label {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 180ms var(--ease);
}

.page-contact .ct-check__box:checked + .ct-check__label {
  color: var(--text-faint);
  text-decoration: line-through;
}

.page-contact .ct-prepare__foot {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

/* ---------- 响应时间带 ---------- */
.page-contact .ct-track-wrap {
  background: linear-gradient(180deg, transparent, rgba(15, 24, 50, 0.7) 30%, transparent);
}

.page-contact .ct-track {
  list-style: none;
  margin: clamp(20px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.page-contact .ct-track__step {
  position: relative;
  padding: 22px 0 0;
  border-top: 1px solid var(--grid-line);
}

.page-contact .ct-track__step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px rgba(51, 235, 214, 0.8);
}

.page-contact .ct-track__step:nth-child(2)::before {
  background: var(--violet);
  box-shadow: 0 0 14px rgba(138, 92, 255, 0.8);
}

.page-contact .ct-track__step:nth-child(3)::before {
  background: var(--ct-blue);
  box-shadow: 0 0 14px rgba(110, 134, 184, 0.8);
}

.page-contact .ct-track__step--last::before {
  background: var(--orange);
  box-shadow: 0 0 16px rgba(255, 138, 61, 0.9);
}

.page-contact .ct-track__code {
  color: var(--text-faint);
}

.page-contact .ct-track__title {
  margin: 8px 0 6px;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text);
}

.page-contact .ct-track__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 四类工单 ---------- */
.page-contact .ct-types {
  list-style: none;
  margin: clamp(20px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .ct-type {
  --ct-accent: var(--cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 22px 20px 20px;
  border: 1px solid var(--grid-line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .ct-type::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: var(--r-md) 0 0 var(--r-md);
  background: var(--ct-accent);
  opacity: 0.85;
}

.page-contact .ct-type--cyan { --ct-accent: var(--cyan); }
.page-contact .ct-type--violet { --ct-accent: var(--violet); }
.page-contact .ct-type--orange { --ct-accent: var(--orange); }
.page-contact .ct-type--blue { --ct-accent: var(--ct-blue); }

.page-contact .ct-type:hover {
  transform: translateY(-4px);
  border-color: var(--ct-accent);
  box-shadow: 0 0 0 1px var(--ct-accent), 0 16px 34px rgba(3, 6, 18, 0.5);
}

.page-contact .ct-type__code {
  color: var(--ct-accent);
}

.page-contact .ct-type__title {
  margin: 10px 0 8px;
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text);
}

.page-contact .ct-type__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
  flex: 1 1 auto;
}

.page-contact .ct-type__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ct-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: opacity 180ms var(--ease);
}

.page-contact .ct-type__link:hover {
  opacity: 0.75;
}

/* ---------- 处理流转 ---------- */
.page-contact .ct-flow__body .section-head__title {
  margin: 10px 0 22px;
}

.page-contact .ct-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .ct-flow__item {
  display: flex;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--grid-line);
}

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

.page-contact .ct-flow__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--violet);
  padding-top: 3px;
}

.page-contact .ct-flow__title {
  margin: 0 0 4px;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text);
}

.page-contact .ct-flow__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .ct-flow__visual {
  margin: clamp(24px, 4vw, 0px) 0 0;
}

/* ---------- 地址与备案（暖纸层） ---------- */
.page-contact .ct-paper {
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--r-lg);
}

.page-contact .ct-paper__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  grid-template-columns: 1fr;
}

.page-contact .ct-paper__eyebrow {
  color: var(--deep-muted);
  margin: 0 0 10px;
}

.page-contact .ct-paper__title {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--deep-text);
}

.page-contact .ct-paper__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--deep-muted);
  max-width: 34em;
}

.page-contact .ct-paper__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-paper__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(20, 26, 46, 0.14);
}

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

.page-contact .ct-paper__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(20, 26, 46, 0.56);
}

.page-contact .ct-paper__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--deep-text);
  word-break: break-word;
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq__list {
  margin-top: clamp(18px, 3vw, 28px);
  display: grid;
  gap: 12px;
}

.page-contact .ct-faq__list .accordion {
  border: 1px solid var(--grid-line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.page-contact .ct-faq__list .accordion[open] {
  border-color: rgba(51, 235, 214, 0.45);
}

.page-contact .ct-faq__list summary {
  cursor: pointer;
  padding: 16px 18px;
  font-size: 15px;
  color: var(--text);
  list-style: none;
}

.page-contact .ct-faq__list summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-faq__list summary::after {
  content: "＋";
  float: right;
  font-family: var(--font-mono);
  color: var(--cyan);
  transition: transform 180ms var(--ease);
}

.page-contact .ct-faq__list .accordion[open] summary::after {
  content: "－";
}

.page-contact .accordion__body {
  padding: 0 18px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .accordion__body p {
  margin: 0;
}

.page-contact .accordion__body a,
.page-contact .ct-faq__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 235, 214, 0.4);
}

.page-contact .ct-faq__more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-faint);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 880px) {
  .page-contact .ct-contact {
    margin-top: 0;
  }

  .page-contact .ct-prepare__panel {
    margin-top: 0;
  }

  .page-contact .ct-flow__visual {
    margin-top: 0;
  }

  .page-contact .ct-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .page-contact .ct-track__step {
    padding: 22px 22px 0 0;
    border-top: 1px solid var(--grid-line);
  }

  .page-contact .ct-track__step + .ct-track__step {
    padding-left: 22px;
  }

  .page-contact .ct-track__step::before {
    left: 0;
  }

  .page-contact .ct-track__step + .ct-track__step::before {
    left: 22px;
  }

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

  .page-contact .ct-paper__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .ct-types {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-type:hover {
    transform: none;
  }

  .page-contact .ct-type,
  .page-contact .copy-btn,
  .page-contact .ct-check__box,
  .page-contact .ct-check__label {
    transition: none;
  }
}