.page-contact {
  --contact-pad-sm: 64px;
  --contact-pad-lg: 96px;
  background: var(--c-ink);
  color: var(--c-rice);
  overflow: hidden;
}

/* ===== 首屏：联系方式区 ===== */
.page-contact .contact-hero {
  position: relative;
  padding-top: 0;
}

.page-contact .contact-hero::before {
  content: "";
  display: block;
  height: 4px;
  margin-bottom: 32px;
  background: linear-gradient(90deg,
    var(--c-primary) 0%,
    var(--c-primary) 24%,
    var(--c-gold) 24%,
    var(--c-gold) 38%,
    var(--c-tech) 38%,
    var(--c-tech) 100%
  );
}

.page-contact .breadcrumb {
  margin-bottom: 32px;
}

.page-contact .tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-contact .contact-hero__text h1 {
  font-family: var(--font-head);
  font-size: clamp(44px, 7vw, 76px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 12px 0 18px;
  transform: skewX(-4deg);
  text-shadow: 5px 5px 0 rgba(232, 53, 44, 0.28);
}

.page-contact .contact-hero__lead {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--c-rock);
  max-width: 34em;
  margin: 0 0 36px;
}

.page-contact .contact-channel {
  position: relative;
  isolation: isolate;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 16px;
  padding: 56px 4% 52px;
  overflow: hidden;
}

.page-contact .contact-channel__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(180deg,
    rgba(11, 20, 32, 0.5) 0%,
    rgba(11, 20, 32, 0.25) 45%,
    rgba(11, 20, 32, 0.85) 100%
  );
}

.page-contact .contact-channel__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(244, 241, 234, 0.13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 241, 234, 0.13) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.5;
}

.page-contact .contact-channel::after {
  content: "30.5928° N  114.3055° E";
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 1;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 1px;
  color: rgba(244, 241, 234, 0.55);
  text-transform: uppercase;
}

.page-contact .contact-line {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: fit-content;
  max-width: 100%;
  padding: 16px 18px 14px 20px;
  background: linear-gradient(90deg, rgba(11, 20, 32, 0.88), rgba(36, 48, 62, 0.68));
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-contact .contact-line__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-rock);
}

.page-contact .contact-line__value {
  position: relative;
  display: inline-block;
  font-family: var(--font-data);
  font-size: clamp(20px, 4.8vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.5px;
  color: var(--c-rice);
  text-decoration: none;
  overflow-wrap: break-word;
  transition: color 0.24s ease;
}

.page-contact .contact-line--phone .contact-line__value {
  letter-spacing: 2px;
  color: var(--c-primary);
}

.page-contact .contact-line__value:hover,
.page-contact .contact-line__value:focus-visible {
  color: var(--c-gold);
}

.page-contact .contact-line__underline {
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 12px;
  color: var(--c-primary);
  stroke-dasharray: 320;
  stroke-dashoffset: 320;
  transition: stroke-dashoffset 0.4s ease;
  pointer-events: none;
}

.page-contact .contact-line__value:hover .contact-line__underline,
.page-contact .contact-line__value:focus-visible .contact-line__underline {
  stroke-dashoffset: 0;
}

/* ===== 问题反馈分类 ===== */
.page-contact .contact-feedback {
  padding: var(--contact-pad-sm) 0 48px;
}

.page-contact .section__head {
  margin-bottom: 32px;
}

.page-contact .section__sub {
  margin: 0;
  color: var(--c-rock);
  line-height: 1.7;
}

.page-contact .contact-feedback h2,
.page-contact .contact-note h2,
.page-contact .contact-location h2,
.page-contact .contact-response h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  line-height: 1.12;
  margin: 0 0 14px;
}

.page-contact .contact-types {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0 0 24px;
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 20px 26px 30px;
  background: linear-gradient(145deg, rgba(36, 48, 62, 0.82), rgba(36, 48, 62, 0.58));
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 0.24s ease, background 0.24s ease;
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
}

.page-contact .contact-card__bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--c-primary);
  clip-path: polygon(0 0, 100% 0, 42% 100%, 0 100%);
  transition: width 0.24s ease;
}

.page-contact .contact-card:hover .contact-card__bar {
  width: 10px;
}

.page-contact .contact-card--access .contact-card__bar {
  background: var(--c-tech);
}

.page-contact .contact-card--partner .contact-card__bar {
  background: var(--c-gold);
}

.page-contact .contact-card__num {
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--c-rock);
}

.page-contact .contact-card h3 {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  margin: 0;
  letter-spacing: 0.02em;
}

.page-contact .contact-card p {
  margin: 0;
  color: var(--c-rock);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .contact-card__meta {
  display: grid;
  gap: 6px;
  margin: 4px 0 0;
}

.page-contact .contact-card__meta > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.page-contact .contact-card__meta dt {
  color: var(--c-rock);
  font-weight: 400;
}

.page-contact .contact-card__meta dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-rice);
  text-align: right;
}

.page-contact .contact-card .btn--ghost {
  margin-top: auto;
  align-self: flex-start;
}

.page-contact .contact-card__know {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--c-rock);
}

.page-contact .contact-card__know a,
.page-contact .contact-feedback__hint a {
  color: var(--c-tech);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 113, 255, 0.4);
  transition: border-color 0.24s ease;
}

.page-contact .contact-card__know a:hover,
.page-contact .contact-feedback__hint a:hover {
  border-color: var(--c-tech);
}

.page-contact .contact-feedback__hint {
  margin: 20px 0 0;
  font-size: 15px;
  color: var(--c-rock);
}

/* ===== 联系注意事项 ===== */
.page-contact .contact-note {
  padding: var(--contact-pad-sm) 0;
  background: rgba(245, 185, 66, 0.04);
}

.page-contact .contact-note__panel {
  position: relative;
  display: flex;
  gap: 20px;
  padding: 32px 24px;
  background: linear-gradient(135deg, rgba(36, 48, 62, 0.84), rgba(11, 20, 32, 0.6));
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-contact .contact-note__mark {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 26px;
  color: var(--c-rice);
  background: var(--c-primary);
  clip-path: polygon(0 0, 100% 16%, 78% 100%, 0 82%);
}

.page-contact .contact-note__content h2 {
  margin-top: 0;
}

.page-contact .contact-note__content p {
  color: var(--c-rock);
  line-height: 1.75;
  margin: 0 0 12px;
}

.page-contact .contact-note__content ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-note__content li {
  position: relative;
  padding-left: 22px;
  color: var(--c-rice);
  line-height: 1.6;
  font-size: 15px;
}

.page-contact .contact-note__content li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 2px;
  background: var(--c-gold);
  transform: skewX(-30deg);
}

.page-contact .contact-note__content .contact-note__links {
  margin: 16px 0 0;
}

.page-contact .contact-note__links a {
  color: var(--c-tech);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 113, 255, 0.4);
}

.page-contact .contact-note__links a:hover {
  border-color: var(--c-tech);
}

/* ===== 站点信息与抽象地图 ===== */
.page-contact .contact-location {
  padding: var(--contact-pad-sm) 0;
  background: linear-gradient(180deg, transparent, rgba(30, 113, 255, 0.08) 50%, transparent);
}

.page-contact .contact-location__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-contact .contact-location__info h2 {
  margin-top: 0;
}

.page-contact .contact-location__address {
  font-family: var(--font-data);
  font-size: clamp(18px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--c-rice);
  line-height: 1.5;
  margin: 6px 0 10px;
  padding-left: 14px;
  border-left: 4px solid var(--c-primary);
}

.page-contact .contact-location__desc {
  color: var(--c-rock);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 20px;
  max-width: 36em;
}

.page-contact .map-art {
  position: relative;
  min-height: 260px;
  border: 1px solid rgba(30, 113, 255, 0.22);
  border-radius: var(--radius);
  background-image:
    linear-gradient(to right, rgba(30, 113, 255, 0.28) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 113, 255, 0.28) 1px, transparent 1px),
    linear-gradient(135deg, rgba(36, 48, 62, 0.9), rgba(11, 20, 32, 0.4));
  background-size: 38px 38px, 38px 38px, auto;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.page-contact .map-art::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 58%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(245, 185, 66, 0.85) 30%, rgba(245, 185, 66, 0.85) 70%, transparent);
  transform: rotate(-8deg);
}

.page-contact .map-art::after {
  content: "";
  position: absolute;
  top: 14%;
  bottom: 14%;
  left: 62%;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(30, 113, 255, 0.9) 30%, rgba(30, 113, 255, 0.9) 70%, transparent);
  transform: rotate(4deg);
}

.page-contact .map-art__point {
  position: absolute;
  left: 62%;
  top: 48%;
  transform: translate(-50%, -50%);
  z-index: 2;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--c-rice);
  background: rgba(11, 20, 32, 0.88);
  padding: 8px 12px;
  border: 1px solid rgba(245, 185, 66, 0.55);
  border-radius: 2px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.page-contact .map-art__point::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14px;
  width: 2px;
  height: 14px;
  background: var(--c-primary);
  transform: translateX(-50%);
}

/* ===== 响应时效 ===== */
.page-contact .contact-response {
  padding: var(--contact-pad-sm) 0 var(--contact-pad-lg);
}

.page-contact .contact-response__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-contact .contact-response__info h2 {
  margin-top: 0;
}

.page-contact .response-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-contact .response-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(244, 241, 234, 0.1);
}

.page-contact .response-list__num {
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.4;
}

.page-contact .response-list__body h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--c-rice);
}

.page-contact .response-list__body p {
  margin: 0;
  color: var(--c-rock);
  font-size: 15px;
  line-height: 1.7;
}

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

.page-contact .contact-response__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
}

.page-contact .contact-response__figure figcaption {
  margin-top: 14px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--c-gold);
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .page-contact {
    --contact-pad-sm: 80px;
    --contact-pad-lg: 110px;
  }

  .page-contact .contact-types {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-contact .contact-line {
    padding: 18px 24px 18px 26px;
  }

  .page-contact .contact-channel {
    min-height: 520px;
    padding: 72px 6%;
  }

  .page-contact .contact-note__panel {
    padding: 40px 36px;
  }

  .page-contact .contact-location__wrap {
    grid-template-columns: 1fr 1.15fr;
  }

  .page-contact .contact-response__wrap {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__inner {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: end;
  }

  .page-contact .contact-hero__text h1 {
    font-size: 76px;
  }

  .page-contact .contact-channel {
    margin-top: 0;
  }

  .page-contact .contact-response__wrap {
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    animation: none !important;
  }
}