.page-contact {
  --contact-shadow: 4px 4px 0 rgba(10,18,32,0.12);
  --contact-shadow-hover: 6px 6px 0 rgba(10,18,32,0.18);
  background: var(--panel);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
}

/* ---------- Hero 顶部海报 ---------- */
.page-contact .contact-hero {
  position: relative;
  background: linear-gradient(150deg, var(--space) 0%, var(--track) 100%);
  color: var(--white);
  overflow: hidden;
  padding: 48px var(--page-gutter) 56px;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--signal);
  z-index: 2;
}
.page-contact .contact-hero__inner {
  max-width: var(--content-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-contact .contact-hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.page-contact .contact-hero .breadcrumb {
  margin: 0 0 20px;
  padding: 0;
}
.page-contact .contact-hero .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
}
.page-contact .contact-hero .breadcrumb a {
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.page-contact .contact-hero .breadcrumb a:hover {
  color: var(--signal);
  border-color: var(--signal);
}
.page-contact .contact-hero .breadcrumb li[aria-current="page"] {
  color: rgba(255,255,255,0.92);
}
.page-contact .contact-hero .section-kicker {
  color: var(--signal);
  margin-bottom: 12px;
}
.page-contact .contact-hero__title {
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.page-contact .contact-hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.375rem);
  font-weight: 500;
  color: rgba(255,255,255,0.88);
  margin: 0 0 20px;
  letter-spacing: 0.02em;
}
.page-contact .contact-hero__desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.72);
  margin: 0;
  max-width: 62ch;
}
.page-contact .contact-hero__visual {
  position: relative;
  z-index: 1;
}
.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
}
.page-contact .contact-hero__figure::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 14px;
  right: -14px;
  bottom: -14px;
  border: 2px solid var(--signal);
  opacity: 0.6;
  z-index: 0;
}
.page-contact .contact-hero__figure img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* ---------- 通讯录 ---------- */
.page-contact .contact-directory {
  position: relative;
  background: var(--panel);
  padding: 64px var(--page-gutter) 72px;
  overflow: hidden;
}
.page-contact .contact-directory::before {
  content: "@";
  position: absolute;
  right: -60px;
  top: 40px;
  font-family: var(--font-mono);
  font-size: 320px;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(31,59,87,0.1);
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-directory__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-w);
  margin: 0 auto;
}
.page-contact .contact-directory__heading,
.page-contact .contact-service__heading,
.page-contact .contact-topics__heading,
.page-contact .contact-guidance__heading {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
}
.page-contact .contact-directory__heading .section-num,
.page-contact .contact-service__heading .section-num,
.page-contact .contact-topics__heading .section-num,
.page-contact .contact-guidance__heading .section-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--signal);
  font-size: 1.125rem;
  line-height: 1.4;
  border: 2px solid var(--signal);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.page-contact .contact-directory__heading h2,
.page-contact .contact-service__heading h2,
.page-contact .contact-topics__heading h2,
.page-contact .contact-guidance__heading h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.page-contact .contact-directory__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-contact .contact-card {
  position: relative;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
}
.page-contact .contact-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--line);
  border-radius: 50%;
  margin-bottom: 20px;
  color: var(--text);
}
.page-contact .contact-card__icon svg {
  width: 20px;
  height: 20px;
}
.page-contact .contact-card__label {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 6px;
}
.page-contact .contact-card__value {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 12px;
  word-break: break-word;
}
.page-contact .contact-card__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}
.page-contact .contact-card__value a:hover {
  border-color: var(--signal);
  color: var(--signal);
}
.page-contact .contact-card__note {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 0;
}
.page-contact .contact-card--address {
  background: var(--space);
  border: 2px solid var(--line);
  box-shadow: var(--contact-shadow);
  min-height: 260px;
  justify-content: flex-end;
}
.page-contact .contact-card--address .contact-card__icon {
  border-color: var(--signal);
  color: var(--signal);
}
.page-contact .contact-card--address .contact-card__label {
  color: var(--signal);
}
.page-contact .contact-card--address .contact-card__value {
  color: var(--white);
  font-size: clamp(1.375rem, 3vw, 2rem);
}
.page-contact .contact-card--address .contact-card__note {
  color: rgba(255,255,255,0.66);
}
.page-contact .contact-card--mail,
.page-contact .contact-card--phone {
  background: var(--white);
  border: 2px solid var(--line);
  box-shadow: var(--contact-shadow);
  transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease);
}
.page-contact .contact-card--mail:hover,
.page-contact .contact-card--phone:hover {
  box-shadow: var(--contact-shadow-hover);
  transform: translateY(-3px);
  border-color: var(--signal);
}
.page-contact .contact-card__divider {
  height: 1px;
  background: var(--line);
  opacity: 0.25;
  margin: 20px 0 16px;
}

/* ---------- 服务时间 ---------- */
.page-contact .contact-service {
  position: relative;
  background: var(--space);
  color: var(--white);
  padding: 64px var(--page-gutter) 72px;
  overflow: hidden;
}
.page-contact .contact-service::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border: 2px solid var(--signal);
  opacity: 0.2;
  right: 6%;
  bottom: 24px;
  z-index: 0;
  border-radius: 50%;
}
.page-contact .contact-service__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-w);
  margin: 0 auto;
}
.page-contact .contact-service__heading .section-kicker {
  color: var(--signal);
}
.page-contact .contact-service__heading h2 {
  color: var(--white);
}
.page-contact .contact-service__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.page-contact .contact-service__figure {
  position: relative;
  margin: 0;
}
.page-contact .contact-service__figure::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12px;
  right: -12px;
  bottom: -12px;
  border: 2px solid var(--signal);
  opacity: 0.5;
  z-index: 0;
}
.page-contact .contact-service__figure img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}
.page-contact .contact-service__steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.page-contact .contact-service__step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.page-contact .contact-service__step:last-child {
  border-bottom: 0;
}
.page-contact .contact-service__step-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--signal);
  border: 2px solid rgba(242,101,34,0.5);
  border-radius: 8px;
  padding: 4px 10px;
  flex-shrink: 0;
  line-height: 1.3;
}
.page-contact .contact-service__step h3 {
  margin: 0 0 6px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
}
.page-contact .contact-service__step p {
  margin: 0;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
}
.page-contact .contact-service__hint {
  margin: 32px 0 0;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  border-left: 3px solid var(--signal);
  padding-left: 16px;
  background: rgba(255,255,255,0.04);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
}

/* ---------- 咨询分类标签云 ---------- */
.page-contact .contact-topics {
  background: var(--panel);
  padding: 64px var(--page-gutter) 72px;
}
.page-contact .contact-topics__inner {
  max-width: var(--content-w);
  margin: 0 auto;
}
.page-contact .contact-topics__cloud {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-contact .contact-topic-tag {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--white);
  border: 2px solid var(--line);
  box-shadow: var(--contact-shadow);
  padding: 22px 24px;
  text-decoration: none;
  color: var(--text);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease), background var(--ease);
}
.page-contact .contact-topic-tag:hover,
.page-contact .contact-topic-tag:focus-visible {
  border-color: var(--signal);
  background: var(--signal-soft);
  box-shadow: var(--contact-shadow-hover);
  transform: translateY(-4px);
}
.page-contact .contact-topic-tag__num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--signal);
  font-size: 0.875rem;
}
.page-contact .contact-topic-tag__name {
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.2;
}
.page-contact .contact-topic-tag__hint {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}
.page-contact .contact-topics__footnote {
  margin: 28px 0 0;
  padding: 14px 16px;
  background: var(--signal-soft);
  border: 2px solid var(--signal);
  font-size: 0.875rem;
  color: var(--text);
  border-radius: 0;
  box-shadow: 3px 3px 0 rgba(242,101,34,0.22);
}

/* ---------- 联系前阅读 ---------- */
.page-contact .contact-guidance {
  background: var(--white);
  padding: 64px var(--page-gutter) 80px;
}
.page-contact .contact-guidance__inner {
  max-width: var(--content-w);
  margin: 0 auto;
}
.page-contact .contact-guidance__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-contact .contact-guidance__item {
  border: 2px solid var(--line);
  border-top: 5px solid var(--line);
  padding: 24px;
  background: var(--panel);
  box-shadow: var(--contact-shadow);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--ease), border-color var(--ease), transform var(--ease);
}
.page-contact .contact-guidance__item:hover {
  border-color: var(--signal);
  border-top-color: var(--signal);
  box-shadow: var(--contact-shadow-hover);
  transform: translateY(-3px);
}
.page-contact .contact-guidance__item h3 {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 800;
}
.page-contact .contact-guidance__item p {
  margin: 0 0 18px;
  font-size: 0.875rem;
  color: var(--muted);
  flex-grow: 1;
}
.page-contact .contact-guidance__item .link-arrow {
  font-weight: 700;
  font-size: 0.9375rem;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 72px var(--page-gutter) 88px;
  }
  .page-contact .contact-hero__inner {
    flex-direction: row;
    align-items: flex-end;
    gap: 56px;
  }
  .page-contact .contact-hero__content {
    flex: 1 1 52%;
  }
  .page-contact .contact-hero__visual {
    flex: 1 1 48%;
  }
  .page-contact .contact-directory {
    padding: 88px var(--page-gutter) 96px;
  }
  .page-contact .contact-directory__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas: "address mail" "address phone";
    gap: 28px;
  }
  .page-contact .contact-card--address {
    grid-area: address;
    padding: 44px 36px;
    min-height: 100%;
  }
  .page-contact .contact-card--mail {
    grid-area: mail;
    padding: 36px 32px;
  }
  .page-contact .contact-card--phone {
    grid-area: phone;
    padding: 36px 32px;
  }
  .page-contact .contact-service {
    padding: 88px var(--page-gutter) 96px;
  }
  .page-contact .contact-service__grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }
  .page-contact .contact-service__steps {
    gap: 28px;
  }
  .page-contact .contact-topics {
    padding: 88px var(--page-gutter) 96px;
  }
  .page-contact .contact-topics__cloud {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .page-contact .contact-topic-tag {
    flex-direction: row;
    align-items: baseline;
    gap: 16px;
    padding: 26px 28px;
  }
  .page-contact .contact-topic-tag--download {
    transform: translateX(48px);
  }
  .page-contact .contact-topic-tag--content {
    transform: translateX(-24px);
  }
  .page-contact .contact-topic-tag--download:hover,
  .page-contact .contact-topic-tag--content:hover {
    transform: translateX(48px) translateY(-4px);
  }
  .page-contact .contact-topic-tag--content:hover {
    transform: translateX(-24px) translateY(-4px);
  }
  .page-contact .contact-topic-tag__hint {
    margin-left: auto;
    text-align: right;
  }
  .page-contact .contact-guidance {
    padding: 88px var(--page-gutter) 104px;
  }
  .page-contact .contact-guidance__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .page-contact .contact-guidance__item {
    padding: 28px 24px;
  }
}

/* ---------- 超宽屏优化 ---------- */
@media (min-width: 1440px) {
  .page-contact .contact-hero__inner,
  .page-contact .contact-directory__inner,
  .page-contact .contact-service__inner,
  .page-contact .contact-topics__inner,
  .page-contact .contact-guidance__inner {
    max-width: calc(var(--content-w) + 80px);
  }
  .page-contact .contact-directory__grid {
    grid-template-columns: 1.1fr 1fr;
  }
}