.page-contact {
  --pc-gap: clamp(56px, 8vw, 112px);
  display: block;
  background-color: var(--deep);
  background-image: linear-gradient(158deg, rgba(53, 224, 208, 0.06) 0%, rgba(11, 27, 43, 0) 40%, rgba(255, 106, 43, 0.055) 100%);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 34px) var(--gutter) clamp(46px, 7vw, 92px);
}

.page-contact .contact-hero__visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 50%;
  opacity: 0.32;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(104deg, rgba(11, 27, 43, 0.97) 0%, rgba(11, 27, 43, 0.82) 44%, rgba(11, 27, 43, 0.28) 100%),
    linear-gradient(0deg, var(--deep) 2%, rgba(11, 27, 43, 0) 40%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--wrap);
  margin: 0 auto;
}

.page-contact .crumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
  margin-bottom: clamp(30px, 6vw, 64px);
}

.page-contact .crumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-contact .crumb__sep {
  margin: 0 8px;
  color: var(--brass);
}

.page-contact .contact-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--lava);
  margin: 0 0 14px;
}

.page-contact .contact-hero__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 20ch;
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .contact-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 14px;
  border: 1px solid var(--line-brass);
  border-radius: 999px;
  background: rgba(5, 13, 22, 0.55);
}

.page-contact .contact-hero__mk {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--brass);
}

.page-contact .contact-hero__vnote {
  position: absolute;
  right: clamp(10px, 2vw, 26px);
  top: clamp(70px, 12vw, 150px);
  z-index: 2;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.32em;
  color: var(--stone);
  opacity: 0.7;
}

/* ---------- 通道选择 ---------- */
.page-contact .contact-paths {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

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

.page-contact .contact-paths__head h2,
.page-contact .contact-lines__head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h2);
  letter-spacing: -0.02em;
  line-height: 1.16;
  color: var(--paper);
}

.page-contact .contact-paths__sub {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .path-switch {
  position: relative;
}

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

.page-contact .path-switch__tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .path-tab {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 132px;
  padding: 22px 20px 24px;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .path-tab::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.page-contact .path-tab:hover {
  transform: translateY(-4px);
  border-color: var(--lava);
}

.page-contact .path-tab:hover::before {
  transform: scaleY(1);
}

.page-contact .path-tab__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-contact .path-tab__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .path-tab__hint {
  font-size: 13px;
  line-height: 1.62;
  color: var(--stone);
}

.page-contact #path-fix:checked ~ .path-switch__tabs .path-tab--fix,
.page-contact #path-sub:checked ~ .path-switch__tabs .path-tab--sub,
.page-contact #path-export:checked ~ .path-switch__tabs .path-tab--export,
.page-contact #path-partner:checked ~ .path-switch__tabs .path-tab--partner {
  background: var(--lava);
  border-color: var(--lava);
}

.page-contact #path-fix:checked ~ .path-switch__tabs .path-tab--fix .path-tab__idx,
.page-contact #path-sub:checked ~ .path-switch__tabs .path-tab--sub .path-tab__idx,
.page-contact #path-export:checked ~ .path-switch__tabs .path-tab--export .path-tab__idx,
.page-contact #path-partner:checked ~ .path-switch__tabs .path-tab--partner .path-tab__idx {
  color: rgba(243, 239, 230, 0.78);
}

.page-contact #path-fix:checked ~ .path-switch__tabs .path-tab--fix .path-tab__name,
.page-contact #path-sub:checked ~ .path-switch__tabs .path-tab--sub .path-tab__name,
.page-contact #path-export:checked ~ .path-switch__tabs .path-tab--export .path-tab__name,
.page-contact #path-partner:checked ~ .path-switch__tabs .path-tab--partner .path-tab__name {
  color: #ffffff;
}

.page-contact #path-fix:checked ~ .path-switch__tabs .path-tab--fix .path-tab__hint,
.page-contact #path-sub:checked ~ .path-switch__tabs .path-tab--sub .path-tab__hint,
.page-contact #path-export:checked ~ .path-switch__tabs .path-tab--export .path-tab__hint,
.page-contact #path-partner:checked ~ .path-switch__tabs .path-tab--partner .path-tab__hint {
  color: rgba(243, 239, 230, 0.88);
}

.page-contact #path-fix:focus-visible ~ .path-switch__tabs label[for="path-fix"],
.page-contact #path-sub:focus-visible ~ .path-switch__tabs label[for="path-sub"],
.page-contact #path-export:focus-visible ~ .path-switch__tabs label[for="path-export"],
.page-contact #path-partner:focus-visible ~ .path-switch__tabs label[for="path-partner"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .path-switch__panels {
  margin-top: clamp(22px, 3.5vw, 34px);
}

.page-contact .path-panel {
  display: none;
  padding: clamp(22px, 3.6vw, 40px);
  background: var(--night);
  border: 1px solid var(--line-brass);
  border-radius: var(--r-md);
  animation: pc-panel-in 240ms var(--ease);
}

@keyframes pc-panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-contact #path-fix:checked ~ .path-switch__panels .path-panel--fix,
.page-contact #path-sub:checked ~ .path-switch__panels .path-panel--sub,
.page-contact #path-export:checked ~ .path-switch__panels .path-panel--export,
.page-contact #path-partner:checked ~ .path-switch__panels .path-panel--partner {
  display: block;
}

.page-contact .path-panel__lead {
  max-width: 62ch;
  padding-bottom: clamp(18px, 2.6vw, 26px);
  border-bottom: 1px solid var(--line);
}

.page-contact .path-panel__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .path-panel__desc {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .path-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 42px);
  padding-top: clamp(20px, 2.8vw, 30px);
}

.page-contact .path-panel__k {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.18em;
  color: var(--cyan);
}

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

.page-contact .path-list li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
  border-bottom: 1px dashed rgba(138, 147, 160, 0.2);
}

.page-contact .path-list li:last-child {
  border-bottom: 0;
}

.page-contact .path-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 1px;
  background: var(--lava);
}

.page-contact .path-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pc-step;
}

.page-contact .path-steps li {
  position: relative;
  counter-increment: pc-step;
  padding: 10px 0 10px 38px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .path-steps li::before {
  content: counter(pc-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--brass);
}

.page-contact .path-steps b {
  margin-right: 6px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .path-panel__hint {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .path-panel__link {
  display: inline-block;
  margin-top: clamp(20px, 2.6vw, 28px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
  padding-bottom: 3px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .path-panel__link:hover,
.page-contact .path-panel__link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 联系方式条带 ---------- */
.page-contact .contact-lines {
  max-width: var(--wrap);
  margin: var(--pc-gap) auto 0;
  padding: 0 var(--gutter);
}

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

.page-contact .contact-lines__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(120deg, var(--night) 0%, rgba(18, 41, 63, 0.72) 62%, rgba(11, 27, 43, 0.9) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-contact .contact-line {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-line:first-child {
  padding-top: 0;
}

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

.page-contact .contact-line__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-contact .contact-line__v {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.9vw, 30px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-line__act {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-contact .contact-lines__side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .contact-lines__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-brass);
  object-fit: cover;
}

.page-contact .contact-lines__clock {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .contact-lines__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 地址收口 ---------- */
.page-contact .contact-arrival {
  max-width: var(--wrap);
  margin: var(--pc-gap) auto 0;
  padding: 0 var(--gutter) clamp(24px, 4vw, 48px);
}

.page-contact .contact-arrival__paper {
  padding: clamp(32px, 6vw, 72px) clamp(22px, 5vw, 64px);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--r-lg);
  display: grid;
  gap: clamp(12px, 2vw, 20px);
}

.page-contact .contact-arrival__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.24em;
  color: var(--terra);
}

.page-contact .contact-arrival__v {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.8vw, 42px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: #14202c;
}

.page-contact .contact-arrival__note {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: #4a5460;
}

.page-contact .contact-arrival__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(8px, 1.6vw, 16px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .path-switch__tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 900px) {
  .page-contact .path-switch__tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-lines__body {
    grid-template-columns: 1.8fr 1fr;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__title {
    max-width: 18ch;
  }
}

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

  .page-contact .path-tab,
  .page-contact .path-tab::before,
  .page-contact .path-panel__link {
    transition: none;
  }

  .page-contact .path-tab:hover {
    transform: none;
  }
}