/* ===== 联系我们页专属样式 ===== */
.page-contact {
  --page-contact-hero-bg: var(--color-blue, #004B87);
  --page-contact-diagonal-color: var(--color-red, #E30613);
  --page-contact-accent: var(--color-gold, #FFD700);
  --page-contact-text-light: var(--color-white, #FFFFFF);
  --page-contact-text-dark: var(--color-black, #111111);
  --page-contact-section-gap: 2.5rem;
  --page-contact-item-gap: 1.25rem;
  --page-contact-radius: 0;
}

/* ----- Hero 区 ----- */
.page-contact__hero {
  position: relative;
  background: var(--page-contact-hero-bg);
  color: var(--page-contact-text-light);
  padding: 2rem 1.25rem 3.5rem;
  overflow: hidden;
  min-height: 240px;
  display: flex;
  align-items: center;
}

.page-contact__hero-bg {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 1px, transparent 1px, transparent 32px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 1px, transparent 1px, transparent 32px);
  pointer-events: none;
}

.page-contact__hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  width: 100%;
}

.page-contact__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  opacity: 0.8;
}

.page-contact__breadcrumb a {
  color: var(--page-contact-accent);
  text-decoration: none;
  transition: opacity 0.2s;
}

.page-contact__breadcrumb a:hover,
.page-contact__breadcrumb a:focus-visible {
  opacity: 0.7;
  text-decoration: underline;
}

.page-contact__breadcrumb-sep {
  color: rgba(255,255,255,0.4);
  font-weight: 300;
}

.page-contact__breadcrumb [aria-current="page"] {
  color: var(--page-contact-text-light);
  font-weight: 700;
}

.page-contact__title {
  font-family: var(--font-heading, 'Helvetica Neue', 'Arial', sans-serif);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--page-contact-text-light);
}

.page-contact__subtitle {
  font-family: var(--font-body, 'Inter', 'Helvetica Neue', sans-serif);
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  font-weight: 400;
  opacity: 0.85;
  margin: 0 0 1rem;
  max-width: 32em;
}

.page-contact__hero-diagonal {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--page-contact-text-light, #FFFFFF);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: 1;
}

@media (min-width: 768px) {
  .page-contact__hero {
    padding: 3rem 2rem 5rem;
    min-height: 320px;
  }

  .page-contact__hero-diagonal {
    height: 80px;
    clip-path: polygon(60% 100%, 100% 0, 100% 100%);
  }
}

/* ----- 主体内容区 ----- */
.page-contact__main {
  display: flex;
  flex-direction: column;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  position: relative;
}

@media (min-width: 768px) {
  .page-contact__main {
    flex-direction: row;
    align-items: flex-start;
    gap: 2rem;
    padding: 0 2rem 4rem;
    margin-top: -2.5rem;
  }
}

@media (min-width: 1024px) {
  .page-contact__main {
    gap: 3rem;
  }
}

/* ----- 左栏：联系信息 ----- */
.page-contact__info {
  position: relative;
  background: var(--page-contact-text-light, #FFFFFF);
  padding: 1.75rem 1.25rem;
  z-index: 3;
  flex: 1 1 auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
}

@media (min-width: 768px) {
  .page-contact__info {
    flex: 0 0 55%;
    max-width: 55%;
    padding: 2.5rem 2rem;
    margin-right: -2rem;
    box-shadow: 12px 12px 0 rgba(0,75,135,0.08);
  }
}

@media (min-width: 1024px) {
  .page-contact__info {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 3rem 2.5rem;
  }
}

.page-contact__info-bg {
  position: absolute;
  inset: 0;
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

/* ----- Section 通用 ----- */
.page-contact__section {
  position: relative;
  z-index: 1;
  margin-bottom: var(--page-contact-section-gap);
}

.page-contact__section-title {
  font-family: var(--font-heading, 'Helvetica Neue', 'Arial', sans-serif);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--page-contact-text-dark);
  margin: 0 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 3px solid var(--page-contact-accent);
  padding-bottom: 0.5rem;
}

.page-contact__section-number {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.8em;
  font-weight: 400;
  font-style: normal;
  color: var(--page-contact-diagonal-color);
  opacity: 0.6;
}

/* ----- 联系条目 ----- */
.page-contact__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.page-contact__item:last-of-type {
  border-bottom: none;
}

.page-contact__item-icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  overflow: hidden;
}

.page-contact__item-icon--email {
  background: var(--page-contact-accent);
}

.page-contact__item-icon--phone {
  background: var(--page-contact-diagonal-color);
}

.page-contact__item-icon--address {
  background: var(--page-contact-hero-bg);
}

.page-contact__icon-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-contact__icon-shape {
  font-family: var(--font-heading, 'Helvetica Neue', 'Arial', sans-serif);
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--page-contact-text-light);
  line-height: 1;
}

.page-contact__item-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.75rem;
}

.page-contact__item-label {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--page-contact-accent);
  background: rgba(255,215,0,0.12);
  padding: 0.15rem 0.5rem;
  display: inline-block;
  flex: 0 0 auto;
}

.page-contact__item-value {
  font-family: var(--font-body, 'Inter', 'Helvetica Neue', sans-serif);
  font-weight: 600;
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--page-contact-text-dark);
  word-break: break-all;
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact__copy-btn {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: transparent;
  border: 1.5px solid var(--page-contact-diagonal-color);
  color: var(--page-contact-diagonal-color);
  padding: 0.2rem 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  flex: 0 0 auto;
  border-radius: 0;
  line-height: 1.4;
}

.page-contact__copy-btn:hover,
.page-contact__copy-btn:focus-visible {
  background: var(--page-contact-diagonal-color);
  color: var(--page-contact-text-light);
}

.page-contact__copy-icon {
  font-size: 0.85rem;
  line-height: 1;
}

.page-contact__note {
  font-family: var(--font-body, 'Inter', 'Helvetica Neue', sans-serif);
  font-size: 0.8rem;
  color: rgba(17,17,17,0.55);
  margin: 0.75rem 0 0;
  padding: 0.5rem 0 0;
  border-top: 1px dashed rgba(0,0,0,0.08);
  font-style: italic;
}

@media (min-width: 768px) {
  .page-contact__item {
    padding: 1rem 0;
    gap: 1.25rem;
  }

  .page-contact__item-icon {
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
  }

  .page-contact__item-content {
    gap: 0.5rem 1rem;
  }

  .page-contact__copy-btn {
    padding: 0.25rem 1rem;
  }
}

/* ----- 内部链接 ----- */
.page-contact__links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 2px solid var(--page-contact-accent);
}

.page-contact__links-label {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(17,17,17,0.4);
  flex: 0 0 100%;
}

.page-contact__link-btn {
  font-size: 0.8rem;
  padding: 0.4rem 1.1rem;
  border-color: var(--page-contact-hero-bg);
  color: var(--page-contact-hero-bg);
  background: transparent;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.page-contact__link-btn:hover,
.page-contact__link-btn:focus-visible {
  background: var(--page-contact-hero-bg);
  color: var(--page-contact-text-light);
}

@media (min-width: 768px) {
  .page-contact__links {
    margin-top: 2rem;
    padding-top: 1.5rem;
    gap: 1rem;
  }

  .page-contact__links-label {
    flex: 0 0 auto;
  }

  .page-contact__link-btn {
    font-size: 0.85rem;
    padding: 0.5rem 1.25rem;
  }
}

/* ----- 信任声明 ----- */
.page-contact__trust {
  position: relative;
  z-index: 1;
  margin-top: 1.75rem;
  padding: 1rem 1rem 1rem 1.25rem;
  background: rgba(0,75,135,0.04);
  border-left: 4px solid var(--page-contact-accent);
}

.page-contact__trust-label {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.35rem;
  color: var(--page-contact-accent);
}

.page-contact__trust-text {
  font-family: var(--font-body, 'Inter', 'Helvetica Neue', sans-serif);
  font-size: 0.8rem;
  color: rgba(17,17,17,0.7);
  margin: 0;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .page-contact__trust {
    margin-top: 2.25rem;
    padding: 1.25rem 1.5rem;
  }

  .page-contact__trust-text {
    font-size: 0.85rem;
  }
}

/* ----- 右栏：视觉图片 ----- */
.page-contact__visual {
  flex: 1 1 auto;
  margin-top: 1.5rem;
  position: relative;
}

@media (min-width: 768px) {
  .page-contact__visual {
    flex: 0 0 calc(45% + 2rem);
    max-width: calc(45% + 2rem);
    margin-top: 2rem;
  }
}

@media (min-width: 1024px) {
  .page-contact__visual {
    flex: 0 0 calc(50% + 2rem);
    max-width: calc(50% + 2rem);
  }
}

.page-contact__visual-frame {
  position: relative;
  overflow: hidden;
  background: var(--page-contact-text-dark);
  clip-path: polygon(0 0, 100% 0, 100% 85%, 85% 100%, 0 100%);
}

@media (min-width: 768px) {
  .page-contact__visual-frame {
    clip-path: polygon(8% 0, 100% 0, 100% 78%, 92% 100%, 0 100%, 0 22%);
  }
}

.page-contact__visual-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transition: transform 0.4s ease;
}

.page-contact__visual-frame:hover .page-contact__visual-img {
  transform: scale(1.03);
}

.page-contact__visual-accent {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 30%;
  height: 30%;
  background: linear-gradient(135deg, transparent 50%, var(--page-contact-diagonal-color) 50%);
  opacity: 0.15;
  pointer-events: none;
}

.page-contact__visual-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.25rem 0;
  gap: 1rem;
}

.page-contact__visual-coord {
  font-size: 0.6rem;
  opacity: 0.5;
}

@media (min-width: 768px) {
  .page-contact__visual-label {
    padding: 0.75rem 0.5rem 0;
  }
}

/* ----- 响应式微调 ----- */
@media (max-width: 400px) {
  .page-contact__hero {
    padding: 1.5rem 1rem 3rem;
  }

  .page-contact__main {
    padding: 0 0.75rem 2rem;
  }

  .page-contact__info {
    padding: 1.25rem 0.75rem;
  }

  .page-contact__item {
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-contact__item-icon {
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
  }

  .page-contact__item-content {
    gap: 0.25rem 0.5rem;
  }

  .page-contact__copy-btn {
    font-size: 0.65rem;
    padding: 0.15rem 0.6rem;
  }

  .page-contact__links {
    flex-direction: column;
    align-items: stretch;
  }

  .page-contact__link-btn {
    justify-content: center;
  }
}