/* ==========================================================
   服务联络 / page-contact
   ========================================================== */

.page-contact {
  --pc-radius: 2px;
  --pc-line-strong: rgba(201, 211, 206, 0.26);
  padding-bottom: 0;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 3vw, 34px) 0 clamp(16px, 2.2vw, 24px);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--mist-2);
}

.page-contact .crumb a {
  color: var(--mist-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-contact .crumb a:hover,
.page-contact .crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .crumb__sep {
  color: var(--mist-2);
  opacity: 0.5;
}

.page-contact .crumb__cur {
  color: var(--paper);
}

/* ---------- 章节锚点轨 ---------- */
.page-contact .rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding: 0 0 clamp(18px, 3vw, 30px);
}

.page-contact .rail:empty {
  display: none;
}

.page-contact .rail__link {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--mist-2);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-contact .rail__link:hover,
.page-contact .rail__link:focus-visible,
.page-contact .rail__link.is-active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(12px, 2vw, 24px) 0 clamp(46px, 6vw, 84px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-hero__title {
  margin: 16px 0 20px;
  font-size: clamp(2.15rem, 7.4vw, 4.6rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  max-width: 34ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(7% 0, 100% 5%, 93% 100%, 0 95%);
  overflow: hidden;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.62) contrast(1.08);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 52%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.5;
  pointer-events: none;
}

/* ---------- 通用章节 ---------- */
.page-contact .sec {
  padding: clamp(44px, 6.5vw, 92px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .sec-head {
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-contact .sec-head__no {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--brass);
}

.page-contact .sec-head__title {
  margin: 0 0 14px;
  font-size: clamp(1.55rem, 3.6vw, 2.6rem);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .sec-head__lead {
  max-width: 40ch;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist-2);
}

/* ---------- 01 联络方式 ---------- */
.page-contact .contact-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-index__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px) clamp(18px, 2.6vw, 30px);
  background: var(--ink);
  transition: background-color var(--t-mid);
}

.page-contact .contact-index__item:hover {
  background: var(--ink-2);
}

.page-contact .contact-index__no {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--brass);
}

.page-contact .contact-index__label {
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--mist-2);
}

.page-contact .contact-index__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.0625rem, 2.6vw, 1.5rem);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .contact-index__value--tel {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  letter-spacing: 0.06em;
}

.page-contact .contact-index__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  line-height: 1.8;
  color: var(--paper);
  letter-spacing: 0;
}

.page-contact .contact-index__note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--mist-2);
}

/* ---------- 02 事项切换 ---------- */
.page-contact .topics {
  position: relative;
}

.page-contact .topics__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-contact .topics__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 6px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-contact .topics__tab {
  position: relative;
  padding: 13px 14px 15px;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--mist-2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--t-fast), border-color var(--t-mid);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.page-contact .topics__tab:hover {
  color: var(--paper);
}

.page-contact .topics__input:focus-visible + .topics__input + .topics__input + .topics__input + .topics__tabs .topics__tab {
  outline: none;
}

.page-contact .topics__panel {
  display: block;
  animation: pc-fade var(--t-mid) both;
}

.page-contact .topic-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(22px, 3.2vw, 36px);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan-2);
}

.page-contact .topic-panel__title {
  margin: 0 0 14px;
  font-size: clamp(1.0625rem, 2.2vw, 1.375rem);
  font-weight: 500;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .topic-panel__desc {
  margin: 0;
  max-width: 46ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .topic-panel__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding-top: clamp(16px, 2vw, 20px);
  border-top: 1px solid var(--line);
}

.page-contact .topic-panel__note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--mist-2);
}

@keyframes pc-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

@supports selector(:has(*)) {
  .page-contact .topics__panel {
    display: none;
  }

  .page-contact .topics:has(#ct-t1:checked) .topics__panel--1,
  .page-contact .topics:has(#ct-t2:checked) .topics__panel--2,
  .page-contact .topics:has(#ct-t3:checked) .topics__panel--3,
  .page-contact .topics:has(#ct-t4:checked) .topics__panel--4 {
    display: block;
  }

  .page-contact .topics:has(#ct-t1:checked) .topics__tab[for="ct-t1"],
  .page-contact .topics:has(#ct-t2:checked) .topics__tab[for="ct-t2"],
  .page-contact .topics:has(#ct-t3:checked) .topics__tab[for="ct-t3"],
  .page-contact .topics:has(#ct-t4:checked) .topics__tab[for="ct-t4"] {
    color: var(--cyan);
    border-bottom-color: var(--cyan);
  }

  .page-contact .topics:has(.topics__input:focus-visible) .topics__tab {
    outline: none;
  }
}

/* ---------- 03 提交清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px clamp(16px, 2.4vw, 26px);
  background: rgba(244, 247, 245, 0.02);
  transition: background-color var(--t-fast);
}

.page-contact .checklist__item:hover {
  background: rgba(53, 242, 192, 0.05);
}

.page-contact .checklist__box {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 4px 0 0;
  position: relative;
  border: 1px solid var(--pc-line-strong);
  border-radius: var(--pc-radius);
  background: transparent;
  cursor: pointer;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

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

.page-contact .checklist__box:checked {
  border-color: var(--cyan);
  background: rgba(53, 242, 192, 0.14);
}

.page-contact .checklist__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--cyan);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-contact .checklist__box:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .checklist__label {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
  cursor: pointer;
}

.page-contact .checklist__box:checked + .checklist__label {
  color: var(--paper);
}

/* ---------- 04 回复时效 ---------- */
.page-contact .timing {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .timing__item {
  position: relative;
  padding: clamp(22px, 3vw, 32px) 0 clamp(22px, 3vw, 32px) clamp(18px, 2.6vw, 28px);
  border-left: 2px solid var(--cyan);
}

.page-contact .timing__item--clay {
  border-left-color: var(--clay);
}

.page-contact .timing__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(2.75rem, 9vw, 5rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .timing__item--clay .timing__num {
  color: var(--clay);
}

.page-contact .timing__unit {
  margin-left: 10px;
  font-size: 0.875rem;
  letter-spacing: 0.16em;
  color: var(--mist-2);
  vertical-align: middle;
}

.page-contact .timing__desc {
  margin: 16px 0 0;
  max-width: 38ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--mist-2);
}

/* ---------- 05 到访与地址 ---------- */
.page-contact .visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 46px);
  align-items: start;
}

.page-contact .visit__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 10px;
}

.page-contact .visit__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.65) contrast(1.05);
}

.page-contact .visit__cap {
  margin-top: 10px;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--mist-2);
}

.page-contact .visit__addr {
  margin: 0 0 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.0625rem, 2.4vw, 1.375rem);
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .visit__text {
  margin: 0 0 16px;
  max-width: 42ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .visit__text--dim {
  margin-bottom: 0;
  color: var(--mist-2);
}

/* ---------- 06 备案与条款 ---------- */
.page-contact .sec--legal {
  padding-bottom: clamp(40px, 5vw, 72px);
}

.page-contact .legal-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .legal-band__col {
  padding: clamp(18px, 2.4vw, 26px) 0;
  background: transparent;
}

.page-contact .legal-band__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--brass);
}

.page-contact .legal-band__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .legal-band__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
}

.page-contact .legal-band__links a {
  font-size: 0.9375rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-contact .legal-band__links a:hover,
.page-contact .legal-band__links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-index {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-contact .legal-band {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 clamp(20px, 3vw, 40px);
    background: transparent;
  }

  .page-contact .legal-band__col {
    border-left: 1px solid var(--line);
    padding-left: clamp(16px, 2vw, 24px);
  }

  .page-contact .legal-band__col:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .topic-panel {
    grid-template-columns: 7fr 4fr;
    align-items: start;
  }

  .page-contact .topic-panel__aside {
    padding-top: 4px;
    padding-left: clamp(16px, 2.4vw, 28px);
    border-top: 0;
    border-left: 1px solid var(--line);
    min-height: 100%;
  }

  .page-contact .visit {
    grid-template-columns: 6fr 5fr;
  }
}

@media (min-width: 1180px) {
  .page-contact .topics__tabs {
    gap: 2px 14px;
  }

  .page-contact .topics__tab {
    padding: 14px 20px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topics__panel {
    animation: none;
  }

  .page-contact .crumb a,
  .page-contact .rail__link,
  .page-contact .checklist__box,
  .page-contact .checklist__item,
  .page-contact .contact-index__item,
  .page-contact .legal-band__links a {
    transition: none;
  }
}