.page-contact {
  --pc-pad: clamp(52px, 7vw, 104px);
  --pc-line-soft: rgba(40, 75, 102, 0.45);
  --pc-cyan-soft: rgba(54, 224, 255, 0.07);
  background: var(--ink-900);
  color: var(--mist-100);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(430px, 68vh, 610px);
  overflow: hidden;
  isolation: isolate;
  background: var(--ink-950);
  border-bottom: 1px solid var(--line-600);
}

.page-contact .contact-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 46%;
  opacity: 0.55;
  filter: saturate(0.82) contrast(1.06);
}

.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(96deg, rgba(6, 17, 29, 0.97) 8%, rgba(6, 17, 29, 0.86) 44%, rgba(6, 17, 29, 0.42) 100%),
    repeating-linear-gradient(90deg, rgba(40, 75, 102, 0.24) 0 1px, transparent 1px 96px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-600), transparent 62%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-top: clamp(92px, 12vh, 138px);
  padding-bottom: clamp(34px, 5vw, 60px);
}

.page-contact .breadcrumb {
  margin-bottom: 22px;
  font-size: 13px;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(40px, 8.6vw, 86px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-contact .contact-hero__lead {
  margin: 22px 0 0;
  max-width: 58ch;
  color: var(--steel-300);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
}

.page-contact .contact-hero__meta {
  display: grid;
  row-gap: 18px;
  margin-top: clamp(30px, 5vw, 52px);
  padding-top: 18px;
  border-top: 1px solid var(--line-600);
}

.page-contact .hero-meta__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-500);
}

.page-contact .hero-meta__val {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist-100);
}

/* ---------- 联络坐标卡片 ---------- */
.page-contact .contact-channels {
  padding: var(--pc-pad) 0 0;
}

.page-contact .contact-channels__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .contact-channels__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--steel-300);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-600);
  border: 1px solid var(--line-600);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 3.2vw, 36px);
  min-height: 268px;
  background: var(--ink-800);
  transition: background 0.3s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within,
.page-contact .channel-card:focus-visible {
  background: var(--ink-700);
}

.page-contact .channel-card:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

.page-contact .channel-card::before,
.page-contact .channel-card::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  border: 1px solid var(--cyan-600);
  transition: border-color 0.25s var(--ease);
}

.page-contact .channel-card::before {
  top: 8px;
  left: 8px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .channel-card::after {
  bottom: 8px;
  right: 8px;
  border-left: 0;
  border-top: 0;
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:hover::after,
.page-contact .channel-card:focus-within::before,
.page-contact .channel-card:focus-within::after {
  border-color: var(--cyan-400);
}

.page-contact .channel-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange-500);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 2.4vw, 27px);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.55;
  color: var(--cyan-400);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__note {
  margin: 0;
  color: var(--steel-300);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .channel-card__scene {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-left: 10px;
  border-left: 1px solid var(--cyan-600);
  color: var(--steel-300);
  font-size: 13.5px;
  line-height: 1.7;
  transition: max-height 0.35s var(--ease), opacity 0.3s var(--ease);
}

.page-contact .channel-card:hover .channel-card__scene,
.page-contact .channel-card:focus-within .channel-card__scene,
.page-contact .channel-card:focus-visible .channel-card__scene {
  max-height: 150px;
  opacity: 1;
}

.page-contact .channel-card__actions {
  margin-top: auto;
  padding-top: 10px;
}

.page-contact .copy-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line-600);
  background: transparent;
  color: var(--mist-100);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .copy-btn:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
  background: var(--pc-cyan-soft);
}

.page-contact .copy-btn__done {
  display: none;
  color: var(--cyan-400);
}

.page-contact .copy-check:focus-visible + .copy-btn {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

.page-contact .copy-check:checked + .copy-btn {
  border-color: var(--cyan-600);
}

.page-contact .copy-check:checked + .copy-btn .copy-btn__idle {
  display: none;
}

.page-contact .copy-check:checked + .copy-btn .copy-btn__done {
  display: inline;
}

.page-contact .call-note {
  margin-top: auto;
}

.page-contact .call-note summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 0 0;
  border-top: 1px dashed var(--line-600);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-contact .call-note summary::-webkit-details-marker {
  display: none;
}

.page-contact .call-note summary::after {
  content: " +";
}

.page-contact .call-note[open] summary::after {
  content: " −";
}

.page-contact .call-note p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel-300);
}

/* ---------- 服务时间 ---------- */
.page-contact .contact-hours {
  padding: var(--pc-pad) 0 0;
}

.page-contact .hours-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 54px);
}

.page-contact .hours-clock {
  padding-left: clamp(16px, 2.4vw, 26px);
  border-left: 1px solid var(--line-600);
}

.page-contact .hours-clock__num {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--mist-100);
}

.page-contact .hours-clock__num span {
  margin: 0 0.1em;
  color: var(--steel-500);
}

.page-contact .hours-clock__cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel-500);
}

.page-contact .hours-body h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-contact .hours-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-600);
}

.page-contact .hours-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .hours-list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .hours-list p {
  margin: 0;
  color: var(--steel-300);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .hours-list .data-num {
  font-size: 13px;
  padding-top: 3px;
}

/* ---------- 反馈区 ---------- */
.page-contact .contact-feedback {
  padding: var(--pc-pad) 0 0;
}

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

.page-contact .fb-panel {
  position: relative;
  padding: clamp(24px, 3.6vw, 44px);
  border: 1px solid var(--line-600);
  background: var(--ink-800);
}

.page-contact .fb-panel h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-contact .fb-lead {
  margin: 14px 0 0;
  max-width: 52ch;
  color: var(--steel-300);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .fb-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 26px;
  transition: opacity 0.3s var(--ease);
}

.page-contact .fb-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .fb-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-500);
}

.page-contact .fb-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-600);
  border-radius: 1px;
  background-color: var(--ink-950);
  color: var(--mist-100);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .fb-input::placeholder {
  color: var(--steel-500);
}

.page-contact .fb-input:focus-visible {
  outline: none;
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 2px rgba(54, 224, 255, 0.2);
}

.page-contact textarea.fb-input {
  min-height: 132px;
  resize: vertical;
}

.page-contact select.fb-input {
  appearance: none;
  padding-right: 42px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--cyan-400) 50%),
    linear-gradient(135deg, var(--cyan-400) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(50% - 2px), calc(100% - 14px) calc(50% - 2px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.page-contact select.fb-input option {
  background: var(--ink-950);
  color: var(--mist-100);
}

.page-contact .fb-err {
  display: none;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--orange-300);
}

.page-contact .fb-field:has(.fb-input:invalid:not(:placeholder-shown)) .fb-err {
  display: block;
}

.page-contact .fb-field:has(.fb-input:invalid:not(:placeholder-shown)) .fb-input {
  border-color: var(--orange-500);
}

.page-contact .fb-submit {
  align-self: flex-start;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-contact .fb-done {
  display: none;
  margin-top: 26px;
  padding: 20px 22px;
  border: 1px solid var(--cyan-600);
  background: var(--pc-cyan-soft);
}

.page-contact .fb-done__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--cyan-400);
}

.page-contact .fb-done p {
  margin: 0;
  color: var(--steel-300);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .fb-done p + p {
  margin-top: 8px;
}

.page-contact .contact-feedback:has(#fb-send:checked) .fb-done {
  display: block;
}

.page-contact .contact-feedback:has(#fb-send:checked) .fb-body {
  opacity: 0.4;
  pointer-events: none;
}

.page-contact .fb-aside {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-contact .fb-figure {
  margin: 0;
  border: 1px solid var(--line-600);
  overflow: hidden;
}

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

.page-contact .fb-figure figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line-600);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel-500);
}

.page-contact .fb-aside__note {
  padding-left: 18px;
  border-left: 1px solid var(--line-600);
}

.page-contact .fb-aside__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-500);
}

.page-contact .fb-aside__note ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-contact .fb-aside__note li {
  padding: 8px 0;
  border-bottom: 1px solid var(--pc-line-soft);
  color: var(--steel-300);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ---------- 下载入口轻组件 ---------- */
.page-contact .contact-download {
  padding: var(--pc-pad) 0 0;
}

.page-contact .dl-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid var(--line-600);
  overflow: hidden;
  background: linear-gradient(132deg, var(--ink-800) 0%, var(--ink-900) 58%, var(--ink-950) 100%);
}

.page-contact .dl-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(108deg, transparent 46%, rgba(54, 224, 255, 0.07) 46.3%, transparent 79%);
}

.page-contact .dl-card__main {
  position: relative;
  z-index: 1;
}

.page-contact .dl-card__main h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 4.2vw, 46px);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.page-contact .dl-card__main p {
  margin: 14px 0 0;
  max-width: 48ch;
  color: var(--steel-300);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .dl-steps {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .dl-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--pc-line-soft);
  color: var(--steel-300);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-contact .dl-steps li:last-child {
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .dl-card__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 常见联系场景 ---------- */
.page-contact .contact-scenes {
  padding: var(--pc-pad) 0 0;
}

.page-contact .scene-list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-600);
}

.page-contact .scene-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .scene-row__case {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .scene-row__how {
  margin: 0;
  color: var(--steel-300);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .scene-row .tag {
  justify-self: start;
}

/* ---------- 备案与站点信息 ---------- */
.page-contact .contact-legal {
  padding: var(--pc-pad) 0 clamp(40px, 5vw, 76px);
}

.page-contact .legal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-600);
}

.page-contact .legal-name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 22px;
  letter-spacing: 0.02em;
}

.page-contact .legal-ver {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
}

.page-contact .legal-facts p {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin: 0 0 9px;
  color: var(--steel-300);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .legal-facts span:first-child {
  min-width: 74px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--steel-500);
}

.page-contact .legal-mono {
  font-family: var(--font-mono);
  color: var(--mist-100);
  overflow-wrap: anywhere;
}

.page-contact .legal-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-contact .legal-links a {
  align-self: flex-start;
  color: var(--steel-300);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .legal-links a:hover,
.page-contact .legal-links a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 0;
  }

  .page-contact .hero-meta__item {
    padding-right: 22px;
  }

  .page-contact .hero-meta__item + .hero-meta__item {
    padding-left: 22px;
    border-left: 1px solid var(--pc-line-soft);
  }

  .page-contact .scene-row {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.6fr) auto;
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 880px) {
  .page-contact .hours-grid {
    grid-template-columns: minmax(230px, 300px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-channels__head .contact-channels__lead {
    padding-left: 0;
  }
}

@media (min-width: 940px) {
  .page-contact .dl-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-contact .dl-card__actions {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1000px) {
  .page-contact .fb-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-contact .legal-grid {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr) auto;
    align-items: start;
  }
}

@media (hover: none) {
  .page-contact .channel-card__scene {
    max-height: none;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__scene,
  .page-contact .copy-btn,
  .page-contact .fb-body,
  .page-contact .fb-input,
  .page-contact .legal-links a {
    transition: none;
  }
}
<<<END>>>