.page-contact {
  --contact-gap: clamp(18px, 3vw, 32px);
  --contact-panel: rgba(11, 43, 34, 0.78);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--pitch);
  border-bottom: 1px solid var(--line);
}

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

.page-contact .contact-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: grayscale(0.4) contrast(1.05);
}

.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(7, 19, 15, 0.97) 0%, rgba(7, 19, 15, 0.84) 46%, rgba(11, 43, 34, 0.56) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
  padding-block: clamp(28px, 5vw, 44px) clamp(36px, 6vw, 64px);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .contact-hero__title {
  margin: 10px 0 0;
  max-width: 16ch;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(34px, 6.6vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  max-width: 58ch;
  margin: clamp(16px, 2.4vw, 22px) 0 clamp(20px, 3vw, 28px);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(242, 244, 239, 0.78);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__meta .chip {
  border: 1px solid var(--line-volt);
  background: rgba(232, 255, 58, 0.08);
  color: var(--volt);
}

/* ---------- 左索引 + 右内容 ---------- */
.page-contact .page-shell {
  padding-block: clamp(28px, 4.5vw, 52px) clamp(44px, 7vw, 80px);
}

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

.page-contact .index-rail {
  margin-bottom: clamp(20px, 4vw, 30px);
}

.page-contact .index-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .toc {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-contact .toc__link {
  display: block;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: rgba(242, 244, 239, 0.72);
  background: rgba(242, 244, 239, 0.04);
  border-left: 2px solid transparent;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .toc__link:hover,
.page-contact .toc__link:focus-visible {
  color: var(--volt);
  border-left-color: var(--volt);
  background: rgba(232, 255, 58, 0.08);
}

.page-contact .toc__link[aria-current="true"] {
  color: var(--ink);
  background: var(--volt);
  border-left-color: var(--volt);
}

/* ---------- 内容区块 ---------- */
.page-contact .contact-block {
  padding-block: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .page-contact__body > .contact-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-block__head {
  margin-bottom: clamp(18px, 2.8vw, 26px);
}

.page-contact .contact-block__title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-contact .contact-block__lead {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(242, 244, 239, 0.74);
}

/* ---------- 渠道卡 ---------- */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: linear-gradient(170deg, var(--pitch) 0%, var(--contact-panel) 100%);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  border: 1px solid var(--line-volt);
  opacity: 0;
  transition: opacity 0.2s var(--ease);
  clip-path: inherit;
}

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

.page-contact .contact-card:hover::after,
.page-contact .contact-card:focus-within::after {
  opacity: 1;
}

.page-contact .contact-card--phone {
  background: linear-gradient(160deg, var(--board) 0%, var(--pitch) 92%);
}

.page-contact .contact-card--phone::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--volt);
}

.page-contact .contact-card__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .contact-card__value {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 36px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .contact-card--phone .contact-card__value {
  color: var(--volt);
  font-size: clamp(26px, 4.2vw, 44px);
}

.page-contact .contact-card--mail .contact-card__value {
  font-size: clamp(13.5px, 1.5vw, 16px);
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .contact-card__value--plain {
  color: var(--paper);
  font-size: clamp(15px, 1.8vw, 19px);
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.page-contact .contact-card__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 244, 239, 0.7);
}

.page-contact .contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.page-contact .contact-card__actions .copy-btn {
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--volt);
  background: rgba(232, 255, 58, 0.08);
  border: 1px solid var(--line-volt);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-contact .contact-card__actions .copy-btn:hover {
  background: var(--volt);
  color: var(--ink);
}

.page-contact .contact-card__jump {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 240, 200, 0.4);
}

.page-contact .contact-card__jump:hover {
  color: var(--volt);
  border-bottom-color: var(--volt);
}

/* ---------- 服务时间 ---------- */
.page-contact .contact-hours {
  margin-top: clamp(6px, 1.4vw, 12px);
}

.page-contact .contact-hours__bar {
  position: relative;
  height: 12px;
  overflow: hidden;
  background: rgba(242, 244, 239, 0.08);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-contact .contact-hours__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--lime) 58%, var(--volt) 100%);
  transform-origin: left center;
  animation: contact-bar-in 0.9s var(--ease) both;
}

@keyframes contact-bar-in {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.page-contact .contact-hours__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .contact-steps {
  display: grid;
  gap: 12px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-steps__item {
  padding: 16px 16px 16px 18px;
  background: rgba(20, 80, 63, 0.34);
  border-left: 2px solid var(--cyan);
}

.page-contact .contact-steps__time {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-contact .contact-steps__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(242, 244, 239, 0.82);
}

/* ---------- 咨询准备清单 ---------- */
.page-contact .contact-checklist {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 15px;
  background: rgba(242, 244, 239, 0.04);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .contact-checklist__item:hover {
  border-color: var(--line-volt);
  background: rgba(232, 255, 58, 0.05);
}

.page-contact .contact-checklist__box {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 1px solid var(--muted);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 5px, 100% 100%, 0 100%);
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .contact-checklist__box:checked {
  background: var(--volt);
  border-color: var(--volt);
}

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

.page-contact .contact-checklist__text {
  font-size: 14.5px;
  line-height: 1.68;
  color: rgba(242, 244, 239, 0.84);
  transition: color 0.16s var(--ease);
}

.page-contact .contact-checklist__box:checked ~ .contact-checklist__text {
  color: rgba(242, 244, 239, 0.42);
  text-decoration: line-through;
}

/* ---------- 合作联络 ---------- */
.page-contact .contact-partner {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-partner__text p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 244, 239, 0.8);
}

.page-contact .contact-partner__text p:last-of-type {
  margin-bottom: 0;
}

.page-contact .contact-partner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-contact .contact-partner__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: clamp(16px, 2vw, 22px);
  background: var(--pitch);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .contact-partner__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-contact .contact-partner__stats .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--volt);
}

.page-contact .contact-partner__stats .stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 地址与函件 ---------- */
.page-contact .contact-addr {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-addr__line {
  margin: 0 0 14px;
  padding-left: 14px;
  border-left: 3px solid var(--amber);
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.55;
  color: var(--paper);
}

.page-contact .contact-addr__text p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 244, 239, 0.78);
}

.page-contact .contact-addr__text p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-addr__figure {
  margin: 0;
}

.page-contact .contact-addr__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--board);
}

.page-contact .contact-addr__figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 相关页面 ---------- */
.page-contact .contact-next {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-next__link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "key title"
    "key desc";
  column-gap: 14px;
  row-gap: 4px;
  padding: 14px 16px;
  text-decoration: none;
  background: rgba(242, 244, 239, 0.03);
  border-left: 2px solid var(--line-volt);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .contact-next__link:hover,
.page-contact .contact-next__link:focus-visible {
  background: rgba(232, 255, 58, 0.07);
  border-left-color: var(--volt);
}

.page-contact .contact-next__k {
  grid-area: key;
  align-self: center;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .contact-next__v {
  grid-area: title;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .contact-next__d {
  grid-area: desc;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(242, 244, 239, 0.66);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-partner__stats {
    gap: 16px;
  }
}

@media (min-width: 760px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .contact-card--phone {
    grid-column: span 5;
  }

  .page-contact .contact-card--mail {
    grid-column: span 4;
  }

  .page-contact .contact-card--addr {
    grid-column: span 3;
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

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

  .page-contact .contact-partner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-addr {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 34px);
  }

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

@media (min-width: 1024px) {
  .page-contact .index-rail {
    margin-bottom: 0;
  }

  .page-contact .toc {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }

  .page-contact .toc__link {
    padding: 9px 14px;
  }
}

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

  .page-contact .contact-card,
  .page-contact .contact-card::after {
    transition: none;
  }

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