.page-contact {
  --contact-accent: #E02A2A;
  --contact-deep: #111111;
  --contact-deep-blue: #0A2540;
  --contact-paper: #F5F1EA;
  --contact-gold: #C9A227;
  --contact-blue: #1B6DF2;

  background-color: #F5F1EA;
  color: #111111;
  font-family: var(--hb-font-sans, system-ui, sans-serif);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-contact__container {
  width: min(1280px, 100%);
  margin-inline: auto;
  padding-inline: var(--hb-gutter, 1rem);
}

/* 面包屑 */
.page-contact .hb-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 1.5rem;
  font-size: 0.875rem;
  color: #525252;
}

.page-contact .hb-breadcrumb a {
  color: var(--contact-blue);
  text-decoration: none;
}

.page-contact .hb-breadcrumb a:hover {
  text-decoration: underline;
}

.page-contact .hb-breadcrumb__sep {
  font-family: var(--hb-font-mono, monospace);
  color: var(--contact-accent);
}

/* 首屏标题区 */
.page-contact__hero {
  padding-top: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  position: relative;
}

.page-contact__hero .section-index {
  font-family: var(--hb-font-mono, monospace);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--contact-accent);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
}

.page-contact__hero .section-index::after {
  content: "";
  width: 3.5rem;
  height: 2px;
  background: var(--contact-accent);
}

.page-contact__hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin: 1rem 0 1.25rem;
}

.page-contact__hero-accent {
  color: var(--contact-accent);
}

.page-contact__hero-sub {
  font-size: clamp(0.975rem, 1.4vw, 1.125rem);
  color: #525252;
  max-width: 56ch;
  margin: 0;
}

.page-contact__hero::after {
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  margin-top: 2.5rem;
  background: linear-gradient(90deg, var(--contact-accent) 0%, var(--contact-blue) 60%, var(--contact-gold) 100%);
}

/* 章节标题 */
.page-contact__section-head {
  margin-bottom: 2.5rem;
}

.page-contact__section-head .section-index {
  font-family: var(--hb-font-mono, monospace);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--contact-accent);
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.page-contact__section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-contact__section-lead {
  color: #525252;
  max-width: 58ch;
  margin: 1rem 0 0;
}

.page-contact__section-head--inverse {
  margin-bottom: 2.25rem;
}

.page-contact__section-head--inverse .section-index {
  color: var(--contact-gold);
}

.page-contact__section-head--inverse h2 {
  color: #fff;
}

/* 联系渠道 */
.page-contact__channels {
  padding-bottom: 5rem;
}

.page-contact__diagonal {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  position: relative;
}

.page-contact__channel {
  background: #fff;
  border: 1px solid #D1D5DB;
  border-radius: 14px;
  padding: 1.75rem 1.5rem 2rem;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.page-contact__channel:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.08);
}

.page-contact__channel--email {
  margin-top: 0.75rem;
}

.page-contact__channel--address {
  margin-top: 1.5rem;
}

.page-contact__channel--phone {
  background: var(--contact-deep);
  border-color: var(--contact-deep);
  color: #fff;
  padding: 2.25rem 1.75rem 2.5rem;
  overflow: hidden;
  z-index: 2;
}

.page-contact__channel--phone::after {
  content: "";
  position: absolute;
  right: -2rem;
  bottom: -2rem;
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 42, 42, 0.4), transparent 70%);
  pointer-events: none;
}

.page-contact__channel-label {
  font-family: var(--hb-font-mono, monospace);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--contact-blue);
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.page-contact__channel--phone .page-contact__channel-label {
  color: var(--contact-accent);
}

.page-contact__channel-icon {
  display: inline-flex;
  color: var(--contact-blue);
  margin-bottom: 1rem;
}

.page-contact__channel--phone .page-contact__channel-icon {
  color: var(--contact-accent);
}

.page-contact__channel--address .page-contact__channel-icon {
  color: var(--contact-gold);
}

.page-contact__channel-phone {
  display: block;
  font-family: var(--hb-font-mono, monospace);
  font-size: clamp(1.5rem, 2.6vw, 2.3rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: #fff;
  text-decoration: none;
  line-height: 1.25;
  margin: 0 0 0.5rem;
}

.page-contact__channel-phone:hover,
.page-contact__channel-phone:focus-visible {
  color: var(--contact-accent);
  outline: none;
}

.page-contact__channel-phone:focus-visible {
  outline: 2px solid var(--contact-accent);
  border-radius: 4px;
}

.page-contact__channel-mail,
.page-contact__channel-address {
  font-size: 1rem;
  line-height: 1.6;
  word-break: break-word;
  margin: 0 0 0.75rem;
}

.page-contact__channel-mail {
  color: var(--contact-deep);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 1px solid rgba(27, 109, 242, 0.35);
}

.page-contact__channel-mail:hover {
  border-color: var(--contact-blue);
  color: var(--contact-blue);
}

.page-contact__channel-address {
  user-select: all;
  cursor: text;
  color: var(--contact-deep);
  font-weight: 700;
}

.page-contact__channel-hint {
  font-size: 0.85rem;
  color: #525252;
  margin: 0;
}

.page-contact__channel--phone .page-contact__channel-hint {
  color: rgba(255, 255, 255, 0.6);
}

/* 联系渠道横幅 */
.page-contact__channels-banner {
  margin-top: 4rem;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  background: var(--contact-deep);
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  isolation: isolate;
}

.page-contact__channels-banner img {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.95;
}

.page-contact__channels-banner-body {
  position: relative;
  z-index: 1;
  background: rgba(10, 37, 64, 0.76);
  padding: 1.5rem 1.75rem;
  border-left: 4px solid var(--contact-accent);
  border-radius: 0 12px 12px 0;
  max-width: 46ch;
  color: #fff;
  backdrop-filter: blur(4px);
}

.page-contact__channels-banner-tag {
  font-family: var(--hb-font-mono, monospace);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--contact-gold);
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}

.page-contact__channels-banner-text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.92);
}

/* 响应承诺 */
.page-contact__commitment {
  padding: 4.5rem 0 5rem;
}

.page-contact__commitment-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.page-contact__commitment-copy p {
  color: #525252;
  line-height: 1.9;
  max-width: 62ch;
  margin: 0 0 1.25rem;
}

.page-contact__commitment-copy p:last-child {
  margin-bottom: 0;
}

.page-contact__commitment-copy p strong {
  color: #111111;
}

.page-contact__support-mail {
  color: var(--contact-blue);
  font-family: var(--hb-font-mono, monospace);
  font-size: 0.925em;
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 109, 242, 0.3);
}

.page-contact__support-mail:hover {
  border-color: var(--contact-blue);
}

.page-contact__commitment-figure {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  background: #E5E7EB;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.page-contact__commitment-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-contact__commitment-figure figcaption {
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  color: #525252;
  border-top: 3px solid var(--contact-accent);
  background: #fff;
}

/* 访问路线 */
.page-contact__visit {
  background-color: var(--contact-deep-blue);
  color: #fff;
  padding: 4.5rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.page-contact__visit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(224, 42, 42, 0.18), transparent 45%),
    linear-gradient(45deg, transparent 70%, rgba(27, 109, 242, 0.14));
  pointer-events: none;
}

.page-contact__visit::after {
  content: "";
  position: absolute;
  top: -4rem;
  right: -5rem;
  width: 15rem;
  height: 15rem;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0,
    transparent 8px,
    rgba(255, 255, 255, 0.04) 8px,
    rgba(255, 255, 255, 0.04) 10px
  );
  pointer-events: none;
}

.page-contact__visit-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

.page-contact__visit-label {
  display: inline-block;
  font-family: var(--hb-font-mono, monospace);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--contact-gold);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.page-contact__visit-address {
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-weight: 800;
  line-height: 1.5;
  padding-left: 1rem;
  border-left: 4px solid var(--contact-gold);
  margin: 0 0 1.5rem;
  color: #fff;
}

.page-contact__visit-note {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 60ch;
  margin: 0 0 1rem;
}

.page-contact__visit-note a {
  color: #8ab4ff;
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 180, 255, 0.35);
}

.page-contact__visit-note a:hover {
  border-color: #8ab4ff;
}

.page-contact__visit-rule {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 1.75rem;
  align-self: start;
}

.page-contact__visit-rule-title {
  font-family: var(--hb-font-mono, monospace);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--contact-gold);
  text-transform: uppercase;
  margin: 0 0 1.25rem;
}

.page-contact__visit-rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact__visit-rule-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.925rem;
}

.page-contact__visit-rule-list li:last-child {
  border-bottom: 0;
}

.page-contact__visit-rule-list span {
  color: rgba(255, 255, 255, 0.7);
}

.page-contact__visit-rule-list strong {
  color: #fff;
}

.page-contact__visit-rule-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.5);
}

/* 平板及以上对角排布与双列布局 */
@media (min-width: 720px) {
  .page-contact__diagonal {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
  }

  .page-contact__channel--email {
    margin-top: 2.5rem;
  }

  .page-contact__channel--address {
    margin-top: 5rem;
  }

  .page-contact__channels-banner {
    min-height: 420px;
  }
}

@media (min-width: 860px) {
  .page-contact__commitment-grid {
    grid-template-columns: 5.5fr 4.5fr;
    gap: 4rem;
  }

  .page-contact__visit-card {
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
  }
}