.page-contact {
  --contact-card-bg: rgba(26, 42, 74, 0.55);
  --contact-grid-line: rgba(0, 240, 255, 0.12);
  --contact-glow-green: 0 0 14px rgba(57, 255, 20, 0.45);
  --contact-grid-bg: linear-gradient(var(--contact-grid-line) 1px, transparent 1px),
                      linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px);
  position: relative;
}

.page-contact .contact-heading {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.page-contact .contact-heading__desc {
  max-width: 560px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.85;
}

/* ========== Hero ========== */
.page-contact .contact-hero {
  position: relative;
  padding: var(--space-5) 0 var(--space-7);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--contact-grid-bg);
  background-size: 30px 30px;
  opacity: 0.4;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48%;
  height: 100%;
  background: linear-gradient(135deg, transparent 15%, rgba(123, 47, 190, 0.34) 72%);
  clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-5);
}

.page-contact .contact-hero__content {
  max-width: 580px;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: var(--space-4);
}

.page-contact .contact-hero .breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.page-contact .contact-hero .breadcrumb a:hover {
  color: var(--color-cyan);
}

.page-contact .contact-hero__lead {
  margin: var(--space-3) 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-muted);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-contact .contact-hero__meta-item {
  flex: 1 1 180px;
  border-left: 2px solid var(--color-cyan);
  background: rgba(0, 240, 255, 0.04);
  padding: var(--space-3);
}

.page-contact .contact-hero__meta-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-contact .contact-hero__meta-value {
  display: block;
  margin-top: 4px;
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
}

.page-contact .contact-hero__visual {
  position: relative;
  max-width: 580px;
}

.page-contact .contact-hero__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  box-shadow: var(--neon-violet);
}

.page-contact .contact-hero__visual-caption {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

/* ========== 两步直达 ========== */
.page-contact .contact-route {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
  background:
    linear-gradient(rgba(11, 29, 58, 0.86), rgba(11, 29, 58, 0.92)),
    var(--contact-grid-bg);
  background-size: auto, 36px 36px;
}

.page-contact .contact-route__board {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.page-contact .contact-route__step {
  position: relative;
  background: var(--contact-card-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-4);
}

.page-contact .contact-route__step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--color-cyan);
  border-left: 2px solid var(--color-cyan);
}

.page-contact .contact-route__step::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 12px;
  height: 12px;
  border-bottom: 2px solid var(--color-primary);
  border-right: 2px solid var(--color-primary);
}

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

.page-contact .contact-route__title {
  margin: var(--space-2) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-text);
}

.page-contact .contact-route__text {
  margin: 0 0 var(--space-3);
  color: var(--color-text-muted);
  font-size: 14px;
}

.page-contact .contact-route__trigger {
  width: 100%;
}

.page-contact .contact-route__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-contact .contact-route__tag {
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 0;
  transition: border-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.page-contact .contact-route__tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: var(--contact-glow-green);
}

.page-contact .contact-route__connector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--color-cyan);
}

.page-contact .contact-route__connector-line {
  position: relative;
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--color-cyan), rgba(0, 240, 255, 0.12));
  overflow: hidden;
}

.page-contact .contact-route__connector-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent, var(--color-accent), transparent);
  animation: contact-dataflow-y 2s infinite;
}

.page-contact .contact-route__connector-arrow {
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-contact .contact-route__results {
  display: grid;
  gap: var(--space-3);
}

.page-contact .contact-result {
  border: 1px solid var(--color-border);
  background: rgba(123, 47, 190, 0.1);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-2);
}

.page-contact .contact-result--overview {
  background: rgba(0, 240, 255, 0.06);
}

.page-contact .contact-result__tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--color-cyan);
}

.page-contact .contact-result__text {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.85;
  font-size: 15px;
}

.page-contact .contact-result__text a {
  color: var(--color-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .contact-result__text a:hover {
  border-bottom-color: var(--color-cyan);
}

/* ========== 联系方式 ========== */
.page-contact .contact-channels {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: var(--space-5);
}

.page-contact .contact-note {
  border: 1px dashed rgba(0, 240, 255, 0.32);
  background:
    linear-gradient(rgba(7, 17, 38, 0.72), rgba(7, 17, 38, 0.72)),
    var(--contact-grid-bg);
  background-size: auto, 24px 24px;
  padding: var(--space-4);
  position: relative;
}

.page-contact .contact-note::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 14px;
  height: 14px;
  border-top: 2px solid var(--color-accent);
  border-left: 2px solid var(--color-accent);
}

.page-contact .contact-note__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-contact .contact-note__title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
}

.page-contact .contact-note__body {
  display: grid;
  gap: var(--space-2);
}

.page-contact .contact-note__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin: var(--space-3) 0 0;
}

.page-contact .contact-note__fake {
  border: 1px solid rgba(230, 230, 230, 0.18);
  background: rgba(11, 29, 58, 0.6);
  padding: var(--space-3);
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .contact-note__tip {
  margin: var(--space-3) 0 0;
  font-size: 13px;
  color: rgba(230, 230, 230, 0.55);
  line-height: 1.7;
  border-left: 2px solid var(--color-accent-alt);
  padding-left: var(--space-3);
}

.page-contact .contact-note__foot {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.page-contact .contact-note__divider {
  width: 1px;
  height: 20px;
  background: var(--color-border);
}

.page-contact .contact-channels__cards {
  display: grid;
  gap: var(--space-3);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  gap: var(--space-3);
  background: var(--contact-card-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-4);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.page-contact .contact-card:hover {
  border-color: var(--color-cyan);
  box-shadow: var(--neon-cyan);
  transform: translateY(-2px);
}

.page-contact .contact-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .contact-card__body {
  min-width: 0;
  display: grid;
  gap: var(--space-1);
}

.page-contact .contact-card__label {
  font-size: 13px;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}

.page-contact .contact-card__value {
  position: relative;
  display: inline-block;
  padding-right: 0;
  transition: padding-right 0.2s;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  word-break: break-all;
  line-height: 1.5;
}

.page-contact .contact-card--email:hover .contact-card__value,
.page-contact .contact-card--phone:hover .contact-card__value,
.page-contact .contact-card--address:hover .contact-card__value {
  padding-right: 24px;
}

.page-contact .contact-card--email:hover .contact-card__value::before,
.page-contact .contact-card--phone:hover .contact-card__value::before,
.page-contact .contact-card--address:hover .contact-card__value::before {
  content: "";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 10px;
  height: 12px;
  border: 1px solid var(--color-accent);
  border-radius: 2px;
  transform: translateY(calc(-50% - 2px));
}

.page-contact .contact-card--email:hover .contact-card__value::after,
.page-contact .contact-card--phone:hover .contact-card__value::after,
.page-contact .contact-card--address:hover .contact-card__value::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 10px;
  height: 12px;
  border: 1px solid var(--color-cyan);
  border-radius: 2px;
  transform: translateY(calc(-50% + 2px));
}

.page-contact .contact-card__desc {
  margin: var(--space-2) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(230, 230, 230, 0.55);
}

/* ========== 地理位置 ========== */
.page-contact .contact-location {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
  border-top: 1px solid var(--color-border);
}

.page-contact .contact-location__board {
  display: grid;
  gap: var(--space-4);
}

.page-contact .contact-location__map {
  position: relative;
  border: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-bg-elevated);
}

.page-contact .contact-location__img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .contact-location__pin {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(11, 29, 58, 0.88);
  border: 1px solid var(--color-accent);
  padding: 8px 12px;
}

.page-contact .contact-location__pin-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: var(--contact-glow-green);
  animation: contact-pulse 2s infinite;
}

.page-contact .contact-location__pin-text {
  font-size: 13px;
  color: var(--color-text);
}

.page-contact .contact-location__aside {
  padding: var(--space-4);
  background: rgba(123, 47, 190, 0.08);
  border: 1px solid var(--color-border);
}

.page-contact .contact-location__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--color-cyan);
}

.page-contact .contact-location__title {
  margin: var(--space-3) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.35;
  color: var(--color-text);
}

.page-contact .contact-location__desc {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
  line-height: 1.85;
  font-size: 15px;
}

.page-contact .contact-location__route {
  display: grid;
  gap: var(--space-2);
}

.page-contact .contact-location__route-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text);
  background: rgba(0, 240, 255, 0.06);
  border-left: 2px solid var(--color-cyan);
  padding: 8px 12px;
}

/* ========== 常见联系问题 ========== */
.page-contact .contact-faq {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
  background:
    linear-gradient(rgba(11, 29, 58, 0.9), rgba(11, 29, 58, 0.96)),
    var(--contact-grid-bg);
  background-size: auto, 40px 40px;
}

.page-contact .contact-faq__grid {
  display: grid;
  gap: var(--space-5);
}

.page-contact .contact-faq__list {
  display: grid;
  gap: var(--space-3);
}

.page-contact .contact-faq__item {
  border: 1px solid var(--color-border);
  background: rgba(26, 42, 74, 0.42);
}

.page-contact .contact-faq__item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  transition: color 0.2s;
}

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

.page-contact .contact-faq__item summary:hover {
  color: var(--color-cyan);
}

.page-contact .contact-faq__item summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--color-cyan);
  transition: transform 0.25s;
}

.page-contact .contact-faq__item[open] summary::after {
  transform: rotate(45deg);
}

.page-contact .contact-faq__item p {
  margin: 0;
  padding: 0 var(--space-4) var(--space-3);
  color: var(--color-text-muted);
  line-height: 1.85;
  font-size: 15px;
}

.page-contact .contact-faq__item p a {
  color: var(--color-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .contact-faq__item p a:hover {
  border-bottom-color: var(--color-cyan);
}

.page-contact .contact-faq__aside {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-contact .contact-faq__card {
  background: var(--contact-card-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-4);
}

.page-contact .contact-faq__card-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--color-primary);
}

.page-contact .contact-faq__card-text {
  margin: var(--space-2) 0 var(--space-3);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ========== 链接 ========== */
.page-contact .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-cyan);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-contact .link-arrow:hover {
  border-bottom-color: var(--color-cyan);
}

/* ========== 动画 ========== */
@keyframes contact-dataflow-y {
  0% {
    transform: translateY(-100%);
    opacity: 0.4;
  }
  100% {
    transform: translateY(100%);
    opacity: 1;
  }
}

@keyframes contact-dataflow-x {
  0% {
    transform: translateX(-100%);
    opacity: 0.4;
  }
  100% {
    transform: translateX(100%);
    opacity: 1;
  }
}

@keyframes contact-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.6);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(57, 255, 20, 0);
  }
}

/* ========== 平板 ========== */
@media (min-width: 768px) {
  .page-contact .contact-channels__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }
}

/* ========== 桌面 ========== */
@media (min-width: 992px) {
  .page-contact .contact-hero {
    padding-top: var(--space-7);
    padding-bottom: var(--space-8);
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-7);
    align-items: center;
  }

  .page-contact .contact-hero__visual {
    max-width: none;
    transform: rotate(-1.4deg);
  }

  .page-contact .contact-route__board {
    grid-template-columns: minmax(0, 1fr) 72px minmax(0, 1.2fr);
    align-items: center;
    gap: 0;
  }

  .page-contact .contact-route__step {
    padding: var(--space-5);
  }

  .page-contact .contact-route__connector {
    width: 100%;
  }

  .page-contact .contact-route__connector-line {
    width: 56px;
    height: 1px;
    background: linear-gradient(to right, var(--color-cyan), rgba(0, 240, 255, 0.12));
  }

  .page-contact .contact-route__connector-line::after {
    background: linear-gradient(to right, transparent, var(--color-accent), transparent);
    animation-name: contact-dataflow-x;
  }

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

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-contact .contact-location__board {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-5);
    align-items: center;
  }

  .page-contact .contact-location__aside {
    padding: var(--space-5);
  }

  .page-contact .contact-faq__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-contact .contact-faq {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
}