.page-contact {
  --page-yellow: var(--fluorescent-yellow-green);
  --page-green: var(--primary-green);
  --page-navy: var(--night-blue-black);
  --page-red: var(--china-red);
  --page-muted: rgba(11, 27, 42, 0.68);
  --page-line: rgba(11, 27, 42, 0.1);
  --page-dark-line: rgba(255, 255, 255, 0.14);
  --page-hero-radius: 18px;
  --page-shadow-card: 0 1px 3px rgba(11, 27, 42, 0.04), 0 8px 24px rgba(11, 27, 42, 0.05);
  --page-shadow-hover: 0 12px 32px rgba(11, 27, 42, 0.1);
}

/* ===== 首屏 Hero ===== */
.page-contact__hero {
  position: relative;
  background: var(--page-navy);
  color: #fff;
  overflow: hidden;
}

.page-contact__hero::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--page-yellow) 0%, var(--page-green) 42%, transparent 88%);
  z-index: 3;
}

.page-contact__hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -18%;
  width: 46%;
  height: 100%;
  background: linear-gradient(135deg, transparent 18%, rgba(46, 139, 87, 0.32) 18%, rgba(46, 139, 87, 0.32) 36%, transparent 36%);
  clip-path: polygon(24% 0, 100% 0, 76% 100%, 0 100%);
  pointer-events: none;
  z-index: 1;
}

.page-contact__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 0;
  position: relative;
  z-index: 2;
}

.page-contact__hero-copy {
  position: relative;
}

.page-contact__hero-copy .breadcrumbs {
  color: rgba(255, 255, 255, 0.6);
}

.page-contact__hero-copy .breadcrumbs__item a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact__hero-copy .breadcrumbs__item a:hover {
  color: var(--page-yellow);
}

.page-contact__hero-copy .breadcrumbs__sep {
  color: rgba(255, 255, 255, 0.4);
}

.page-contact__hero-copy .breadcrumbs__item[aria-current="page"] {
  color: var(--page-yellow);
  font-weight: 600;
}

.page-contact__eyebrow {
  margin: 24px 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--page-yellow);
}

.page-contact__hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.1rem, 6.5vw, 4.1rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-contact__hero-lead {
  max-width: 44ch;
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
}

.page-contact__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact__hero-visual {
  position: relative;
  border-radius: var(--page-hero-radius) var(--page-hero-radius) 0 0;
  overflow: hidden;
}

.page-contact__hero-figure {
  margin: 0;
}

.page-contact__hero-figure img {
  display: block;
  width: 100%;
  max-height: 320px;
  height: 100%;
  object-fit: cover;
  border-radius: var(--page-hero-radius) var(--page-hero-radius) 0 0;
  filter: saturate(1.05) contrast(1.02);
}

.page-contact__hero-note {
  position: absolute;
  right: 20px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(11, 27, 42, 0.72);
  border: 1px solid rgba(198, 255, 0, 0.32);
  border-radius: 40px;
  backdrop-filter: blur(6px);
}

.page-contact__hero-note-line {
  width: 26px;
  height: 2px;
  background: var(--page-yellow);
}

.page-contact__hero-note-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: #fff;
}

/* ===== 联系渠道三栏 ===== */
.page-contact__channels {
  padding-top: 64px;
  padding-bottom: 56px;
}

.page-contact__channels-lead {
  margin-top: 6px;
  font-size: 15px;
  color: var(--page-muted);
}

.page-contact__channels-grid {
  display: grid;
  gap: 20px;
  margin-top: 36px;
}

.page-contact__channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 26px 24px 24px;
  background: #fff;
  border: 1px solid var(--page-line);
  border-radius: 16px;
  box-shadow: var(--page-shadow-card);
  overflow: hidden;
  transition: border-color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease;
}

.page-contact__channel-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--page-green);
  transform: scaleX(0.2);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.page-contact__channel-card:hover {
  border-color: rgba(46, 139, 87, 0.4);
  box-shadow: var(--page-shadow-hover);
  transform: translateY(-3px);
}

.page-contact__channel-card:hover::after {
  transform: scaleX(1);
}

.page-contact__channel-card--email::after {
  background: var(--page-yellow);
}

.page-contact__channel-card--phone::after {
  background: var(--page-green);
}

.page-contact__channel-card--address::after {
  background: linear-gradient(90deg, var(--page-green), var(--page-navy));
}

.page-contact__channel-card--address {
  background-color: var(--light-background);
  background-image:
    radial-gradient(ellipse at 18% 86%, rgba(46, 139, 87, 0.14) 0%, transparent 52%),
    repeating-linear-gradient(45deg, transparent, transparent 16px, rgba(46, 139, 87, 0.06) 16px, rgba(46, 139, 87, 0.06) 18px);
}

.page-contact__channel-icontop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.page-contact__channel-figure {
  position: relative;
  width: 92px;
  height: 92px;
  margin: 0;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(11, 27, 42, 0.06);
  background: var(--page-navy);
}

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

.page-contact__channel-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 92px;
  height: 92px;
  border-radius: 28px;
  color: #fff;
  background: linear-gradient(135deg, var(--page-navy) 0%, #12304a 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.page-contact__channel-mark svg {
  width: 38px;
  height: 38px;
}

.page-contact__channel-card--address .page-contact__channel-mark {
  color: var(--page-navy);
  background: rgba(46, 139, 87, 0.14);
  border-color: rgba(46, 139, 87, 0.18);
}

.page-contact__channel-index {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--page-navy);
  padding: 6px 12px;
  border-radius: 30px;
  background: var(--light-background);
  border: 1px solid var(--page-line);
}

.page-contact__channel-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-contact__channel-tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--page-red);
  font-weight: 700;
}

.page-contact__channel-body h3 {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--page-navy);
}

.page-contact__channel-desc {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--page-muted);
}

.page-contact__email,
.page-contact__phone {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 34px;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact__email {
  color: var(--page-navy);
  background: rgba(198, 255, 0, 0.24);
  border: 1px solid rgba(198, 255, 0, 0.5);
}

.page-contact__email:hover {
  background: var(--page-yellow);
  box-shadow: 0 0 0 4px rgba(198, 255, 0, 0.25);
}

.page-contact__phone {
  color: #fff;
  background: var(--page-navy);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.page-contact__phone:hover {
  background: #14304a;
  box-shadow: 0 0 0 4px rgba(11, 27, 42, 0.12);
}

.page-contact__address {
  margin: 0;
  font-style: normal;
  font-size: 17px;
  font-weight: 700;
  color: var(--page-navy);
  padding: 12px 18px;
  border-radius: 12px;
  background: rgba(46, 139, 87, 0.1);
  border: 1px solid rgba(46, 139, 87, 0.2);
}

.page-contact__channel-note {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--page-muted);
  letter-spacing: 0.02em;
}

/* ===== 商务合作 ===== */
.page-contact__business {
  position: relative;
  background: linear-gradient(135deg, #0A0F14 0%, #0B1B2A 100%);
  color: rgba(255, 255, 255, 0.82);
  overflow: hidden;
}

.page-contact__business::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--page-yellow) 0%, transparent 70%);
}

.page-contact__business-grid {
  display: grid;
  gap: 36px;
  grid-template-columns: 1fr;
}

.page-contact__business-copy .section-head__index {
  color: var(--page-yellow);
}

.page-contact__business-copy h2 {
  margin: 8px 0 18px;
  font-size: 30px;
  font-weight: 900;
  color: #fff;
}

.page-contact__business-lead {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-contact__business-copy p {
  line-height: 1.8;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
}

.page-contact__coop-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact__coop-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
}

.page-contact__coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--page-yellow);
  transform: rotate(12deg);
}

.page-contact__business-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact__service-card {
  padding: 20px 24px;
  border: 1px solid var(--page-dark-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
}

.page-contact__service-label {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.5);
}

.page-contact__service-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--page-yellow);
}

.page-contact__business-aside .btn {
  justify-self: start;
  margin-top: 4px;
}

/* ===== 联系前的准备 ===== */
.page-contact__links {
  padding-top: 56px;
  padding-bottom: 60px;
}

.page-contact__links-inner .section-head__index {
  color: var(--page-green);
}

.page-contact__links-inner h2 {
  margin: 8px 0 12px;
  font-size: 30px;
  font-weight: 900;
  color: var(--page-navy);
}

.page-contact__links-lead {
  margin: 0 0 30px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--page-muted);
}

.page-contact__links-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-contact__link-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  row-gap: 4px;
  align-items: center;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--page-line);
  border-radius: 14px;
  text-decoration: none;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.page-contact__link-card:hover {
  border-color: rgba(46, 139, 87, 0.38);
  box-shadow: 0 8px 22px rgba(11, 27, 42, 0.08);
  transform: translateY(-2px);
}

.page-contact__link-id {
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--page-red);
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--light-background);
  border: 1px solid var(--page-line);
}

.page-contact__link-main {
  font-size: 16px;
  font-weight: 800;
  color: var(--page-navy);
}

.page-contact__link-sub {
  font-size: 13px;
  color: var(--page-muted);
}

/* ===== 桌面端 ≥992px ===== */
@media (min-width: 992px) {
  .page-contact__hero-grid {
    grid-template-columns: 1fr 1.05fr;
    align-items: end;
    gap: 40px;
    padding-top: 56px;
    min-height: 520px;
  }

  .page-contact__hero h1 {
    font-size: 3.6rem;
    max-width: 12ch;
  }

  .page-contact__hero-lead {
    font-size: 17px;
  }

  .page-contact__hero-figure img {
    max-height: 440px;
    border-radius: var(--page-hero-radius) 0 0 0;
  }

  .page-contact__hero-visual {
    border-radius: var(--page-hero-radius) 0 0 0;
  }

  .page-contact__hero-note {
    right: 28px;
    bottom: 22px;
  }

  .page-contact__channels {
    padding-top: 88px;
    padding-bottom: 84px;
  }

  .page-contact__channels-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 44px;
  }

  .page-contact__channels-lead {
    margin-top: 10px;
    font-size: 16px;
  }

  .page-contact__channel-card {
    padding: 30px 26px 26px;
  }

  .page-contact__channel-body h3 {
    font-size: 22px;
  }

  .page-contact__business-grid {
    grid-template-columns: 1.35fr 0.65fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact__business-copy h2 {
    font-size: 34px;
  }

  .page-contact__business-aside {
    gap: 16px;
  }

  .page-contact__service-value {
    font-size: 24px;
  }

  .page-contact__links {
    padding-top: 72px;
    padding-bottom: 80px;
  }

  .page-contact__links-inner h2 {
    font-size: 34px;
  }

  .page-contact__links-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

/* 确保图片在窄屏不溢出 */
.page-contact img {
  max-width: 100%;
  height: auto;
  box-sizing: border-box;
}

@media (max-width: 399px) {
  .page-contact__hero h1 {
    font-size: 1.9rem;
  }

  .page-contact__email,
  .page-contact__phone {
    font-size: 15px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }

  .page-contact__address {
    font-size: 15px;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
  }
}