/* =========================================================
   联系我们页面  .page-contact
   ========================================================= */

.page-contact {
  --rail-w: 340px;
  background: var(--c-night);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 5vw, 48px) 0 clamp(40px, 7vw, 76px);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .contact-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.75) brightness(0.82);
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(85% 65% at 10% 8%, rgba(22, 242, 184, 0.18), transparent 62%),
    radial-gradient(70% 60% at 92% 88%, rgba(255, 138, 61, 0.12), transparent 66%),
    linear-gradient(180deg, rgba(4, 18, 14, 0.5) 0%, rgba(4, 18, 14, 0.88) 58%, var(--c-night) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero__title {
  margin: var(--sp-3) 0 0;
  max-width: 21ch;
  color: var(--c-mist);
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__lede {
  margin: var(--sp-3) 0 0;
  max-width: 62ch;
  color: var(--c-gray);
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

/* ---------- 主体两栏 ---------- */

.page-contact .contact-body {
  padding: clamp(36px, 6vw, 72px) 0 clamp(44px, 8vw, 88px);
}

.page-contact .contact-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(38px, 6vw, 56px);
  align-items: start;
}

/* ---------- 左侧联系卡组 ---------- */

.page-contact .contact-rail {
  min-width: 0;
}

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

.page-contact .contact-rail__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 var(--sp-2);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--c-silver);
}

.page-contact .contact-rail__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.page-contact .contact-card {
  --card-accent: var(--c-cyan);
  --card-glow: var(--cyan-12);
  background: var(--c-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--card-accent);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: background 0.25s ease, transform 0.25s ease;
}

.page-contact .contact-card--mail {
  --card-accent: var(--c-cyan);
  --card-glow: var(--cyan-12);
}

.page-contact .contact-card--phone {
  --card-accent: var(--c-orange);
  --card-glow: var(--orange-12);
}

.page-contact .contact-card--addr {
  --card-accent: var(--c-violet);
  --card-glow: rgba(124, 92, 255, 0.12);
}

.page-contact .contact-card:hover {
  transform: translateX(2px);
}

.page-contact .contact-card[open] {
  background: var(--c-tactical);
}

.page-contact .contact-card > summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 14px;
  align-items: center;
  gap: var(--sp-2);
  padding: 16px var(--sp-3);
  cursor: pointer;
  list-style: none;
}

.page-contact .contact-card > summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-card > summary:focus-visible {
  outline: 2px dashed var(--c-cyan);
  outline-offset: -4px;
}

.page-contact .contact-card__icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--card-glow);
  color: var(--card-accent);
}

.page-contact .contact-card__body {
  min-width: 0;
}

.page-contact .contact-card__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-gray);
}

.page-contact .contact-card__value {
  display: block;
  margin-top: 5px;
  font-family: var(--f-mono);
  font-size: 15px;
  line-height: 1.45;
  color: var(--c-mist);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--addr {
  font-family: var(--f-body);
  font-size: 14.5px;
}

.page-contact .contact-card__chev {
  justify-self: end;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--c-silver);
  border-bottom: 1.5px solid var(--c-silver);
  transform: rotate(45deg);
  transition: transform 0.28s ease, border-color 0.28s ease;
}

.page-contact .contact-card[open] .contact-card__chev {
  border-color: var(--card-accent);
  transform: rotate(225deg);
}

.page-contact .contact-card__note {
  margin: 0;
  padding: 12px 20px 18px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-contact .contact-rail__hours {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  margin-top: 6px;
  padding: 14px var(--sp-3);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
}

.page-contact .contact-rail__hours-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-gray);
}

.page-contact .contact-rail__hours-value {
  font-size: 14px;
  color: var(--c-cyan);
}

/* ---------- 右侧内容流 ---------- */

.page-contact .contact-flow {
  display: grid;
  gap: clamp(46px, 6vw, 76px);
  min-width: 0;
}

.page-contact .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px var(--sp-2);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--line);
}

.page-contact .section-head__index {
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 6px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-contact .section-head__title {
  margin: 0;
  line-height: 1.3;
  color: var(--c-mist);
}

.page-contact .section-head__note {
  margin: 6px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-gray);
}

/* --- 01 服务时段 --- */

.page-contact .contact-hours {
  display: grid;
  gap: var(--sp-4);
}

.page-contact .contact-hours__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-panel);
}

.page-contact .contact-hours__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

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

.page-contact .contact-hours__list li {
  display: grid;
  grid-template-columns: minmax(84px, auto) minmax(0, 1fr);
  gap: 4px 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-gray);
}

.page-contact .contact-hours__list li:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .contact-hours__list .num {
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
  white-space: nowrap;
}

/* --- 02 能处理什么 --- */

.page-contact .contact-deck {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
}

.page-contact .contact-deck__item {
  position: relative;
  overflow: hidden;
  padding: var(--sp-3);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--c-tactical) 0%, var(--c-panel) 66%);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-contact .contact-deck__item::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cyan-06), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-deck__item:hover {
  border-color: var(--cyan-32);
  transform: translateY(-3px);
}

.page-contact .contact-deck__idx {
  display: inline-block;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--cyan-32);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-contact .contact-deck__item:nth-child(3n + 2) .contact-deck__idx {
  border-bottom-color: var(--orange-28);
  color: var(--c-orange);
}

.page-contact .contact-deck__item:nth-child(3n) .contact-deck__idx {
  border-bottom-color: rgba(124, 92, 255, 0.32);
  color: var(--c-violet);
}

.page-contact .contact-deck__title {
  margin: 14px 0 8px;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-contact .contact-deck__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-contact .contact-deck__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--c-silver);
}

/* --- 03 对接流程 --- */

.page-contact .contact-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  display: grid;
  gap: var(--sp-3);
}

.page-contact .contact-steps::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--cyan-32) 0 7px, transparent 7px 15px);
}

.page-contact .contact-step {
  position: relative;
}

.page-contact .contact-step__node {
  position: absolute;
  left: -30px;
  top: 22px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--c-cyan);
  background: var(--c-night);
  box-shadow: 0 0 0 4px var(--cyan-06);
}

.page-contact .contact-step__panel {
  padding: var(--sp-3);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--c-panel);
  transition: border-color 0.3s ease;
}

.page-contact .contact-step__panel:hover {
  border-color: var(--cyan-32);
}

.page-contact .contact-step__label {
  display: block;
  margin-bottom: 6px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-contact .contact-step__title {
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-contact .contact-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-contact .fold {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-contact .fold > summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
}

.page-contact .fold > summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold > summary::before {
  content: "+";
  display: inline-block;
  width: 15px;
  font-family: var(--f-mono);
}

.page-contact .fold[open] > summary::before {
  content: "\2212";
}

.page-contact .fold__body {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-gray);
}

/* --- 04 留言字段 --- */

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

.page-contact .contact-field {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--c-panel);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .contact-field:hover,
.page-contact .contact-field:focus-within {
  border-color: var(--cyan-32);
  box-shadow: inset 0 0 0 1px var(--cyan-12);
}

.page-contact .contact-field__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-contact .contact-field__hint {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-gray);
}

.page-contact .contact-fields__foot {
  margin: var(--sp-3) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--line-strong);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-contact .contact-fields__foot a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-fields__foot a:hover {
  color: var(--c-orange);
}

/* --- 05 沟通习惯 --- */

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

.page-contact .contact-tip {
  position: relative;
  padding: 13px 18px 13px 44px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--c-panel);
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-silver);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-contact .contact-tip::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 0 4px var(--orange-12);
}

.page-contact .contact-tip:hover {
  border-color: var(--orange-28);
  transform: translateX(3px);
}

/* ---------- 品牌签名带 ---------- */

.page-contact .contact-sign {
  position: relative;
  overflow: hidden;
  padding: clamp(42px, 7vw, 78px) 0;
}

.page-contact .contact-sign::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(70% 120% at 88% 0%, rgba(22, 242, 184, 0.14), transparent 60%),
    radial-gradient(60% 100% at 4% 100%, rgba(124, 92, 255, 0.12), transparent 62%);
}

.page-contact .contact-sign__inner {
  position: relative;
  max-width: 800px;
}

.page-contact .contact-sign__title {
  margin: var(--sp-2) 0 0;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--c-mist);
}

.page-contact .contact-sign__text {
  margin: var(--sp-3) 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-contact .contact-sign__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--sp-4);
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-contact .contact-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hours {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
    gap: var(--sp-5);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-body__grid {
    grid-template-columns: minmax(280px, var(--rail-w)) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-contact .contact-rail__sticky {
    position: sticky;
    top: 92px;
  }
}

@media (max-width: 520px) {
  .page-contact .contact-hours__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-contact .contact-hours__list .num {
    white-space: normal;
  }

  .page-contact .contact-steps {
    padding-left: 22px;
  }

  .page-contact .contact-steps::before {
    left: 6px;
  }

  .page-contact .contact-step__node {
    left: -22px;
    top: 24px;
    width: 13px;
    height: 13px;
  }

  .page-contact .contact-card > summary {
    grid-template-columns: 30px minmax(0, 1fr) 12px;
    gap: 10px;
    padding: 14px;
  }

  .page-contact .contact-card__note {
    padding: 12px 14px 16px;
  }

  .page-contact .contact-fields__foot {
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-card__chev,
  .page-contact .contact-deck__item,
  .page-contact .contact-step__panel,
  .page-contact .contact-field,
  .page-contact .contact-tip {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .contact-deck__item:hover,
  .page-contact .contact-tip:hover {
    transform: none;
  }
}