.page-contact {
  --contact-line: rgba(16, 42, 67, 0.14);
  --contact-soft: rgba(16, 42, 67, 0.06);
  background: var(--cream);
  color: var(--blue-900);
  overflow-x: hidden;
}

.page-contact .container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  border-bottom: 1px solid var(--contact-line);
  font-size: 13px;
  background: var(--white);
}
.page-contact .breadcrumb .container {
  padding-top: 14px;
  padding-bottom: 14px;
}
.page-contact .breadcrumb ol {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--gray);
  margin-right: 6px;
}
.page-contact .breadcrumb a {
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s;
}
.page-contact .breadcrumb a:hover {
  color: var(--orange);
}
.page-contact .breadcrumb [aria-current="page"] {
  font-weight: 700;
  color: var(--blue-900);
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--blue-900);
  color: var(--cream);
  padding: 56px 0 64px;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  right: -30px;
  top: 28px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 13%;
  top: 42px;
  width: 88px;
  height: 88px;
  border: 1px solid rgba(255, 107, 53, 0.4);
  border-radius: 50%;
}
.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-contact .hero-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 18px;
}
.page-contact .contact-hero h1 {
  font-size: clamp(2.6rem, 11vw, 4.8rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--cream);
}
.page-contact .hero-sub {
  max-width: 36ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(253, 248, 240, 0.85);
  border-left: 4px solid var(--orange);
  padding-left: 18px;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  position: relative;
  overflow: hidden;
  padding: 72px 0 80px;
}
.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  right: -140px;
  top: 90px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle,
    transparent 0 92px,
    rgba(255, 107, 53, 0.12) 92px 94px,
    transparent 94px 148px,
    rgba(255, 107, 53, 0.08) 148px 150px,
    transparent 150px 206px,
    rgba(16, 42, 67, 0.06) 206px 208px,
    transparent 208px 268px,
    rgba(16, 42, 67, 0.04) 268px 270px,
    transparent 270px 330px,
    rgba(255, 107, 53, 0.05) 330px 332px,
    transparent 332px);
  pointer-events: none;
}
.page-contact .channels-head {
  position: relative;
  z-index: 1;
  margin-bottom: 40px;
  display: grid;
  gap: 12px;
}
.page-contact .channels-head h2 {
  position: relative;
  margin: 0;
  padding-left: 18px;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--blue-900);
}
.page-contact .channels-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  width: 4px;
  height: 0.68em;
  background: var(--orange);
  transform: skewX(-12deg);
}
.page-contact .channels-head p {
  max-width: 62ch;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--gray);
}

.page-contact .channel-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 220px;
  padding: 30px 26px;
  border-radius: 2px;
  overflow: hidden;
}
.page-contact .channel-tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.page-contact .channel-icon {
  width: 48px;
  height: 48px;
  display: block;
  color: var(--orange);
  flex: none;
}
.page-contact .channel-value {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  word-break: break-word;
}
.page-contact .channel-desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
}
.page-contact .channel-badge {
  align-self: flex-start;
  margin-top: auto;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 2px;
}

/* 邮箱卡：深蓝主色 */
.page-contact .channel-email {
  background: var(--blue-800);
  color: var(--cream);
}
.page-contact .channel-email::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 24px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle,
    transparent 0 40px,
    rgba(255, 255, 255, 0.08) 40px 42px,
    transparent 42px 62px,
    rgba(255, 255, 255, 0.05) 62px 64px,
    transparent 64px);
  pointer-events: none;
}
.page-contact .channel-email .channel-tag { color: var(--orange); }
.page-contact .channel-email .channel-value { color: var(--white); }
.page-contact .channel-email .email-value {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3vw, 1.3rem);
  letter-spacing: -0.01em;
}
.page-contact .channel-email .channel-desc { color: rgba(253, 248, 240, 0.85); }
.page-contact .channel-email .channel-badge {
  background: var(--orange);
  color: var(--blue-900);
}

/* 电话卡：白底 */
.page-contact .channel-phone {
  background: var(--white);
  color: var(--blue-900);
  box-shadow: var(--shadow);
}
.page-contact .channel-phone .channel-tag { color: var(--gray); }
.page-contact .channel-phone .phone-num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4.5vw, 1.9rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--orange);
}
.page-contact .channel-phone .channel-desc { color: var(--gray); }
.page-contact .channel-phone .channel-badge {
  background: var(--teal-light);
  color: var(--blue-800);
}

/* 地址卡：斜线底纹 */
.page-contact .channel-address {
  background-color: var(--cream);
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(16, 42, 67, 0.05) 0,
    rgba(16, 42, 67, 0.05) 5px,
    transparent 5px,
    transparent 12px
  );
  border: 1px solid var(--contact-line);
  color: var(--blue-900);
}
.page-contact .channel-address .channel-tag { color: var(--gray); }
.page-contact .channel-address .channel-value { color: var(--blue-900); }
.page-contact .channel-address .channel-desc { color: var(--gray); }
.page-contact .channel-address .channel-badge {
  background: var(--blue-900);
  color: var(--cream);
}

/* 通信网络图 */
.page-contact .channel-net {
  position: relative;
  min-height: 220px;
  margin: 0;
  overflow: hidden;
  border-radius: 2px;
  background: var(--blue-900);
}
.page-contact .channel-net img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-contact .channel-net figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  padding: 8px 12px;
  background: rgba(11, 30, 45, 0.85);
  color: var(--cream);
  font-size: 13px;
  border-left: 3px solid var(--orange);
}

/* ---------- 商务合作与数据咨询 ---------- */
.page-contact .contact-business {
  padding: 72px 0;
  background: var(--white);
  border-top: 1px solid var(--contact-line);
  border-bottom: 1px solid var(--contact-line);
}
.page-contact .business-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
.page-contact .section-kicker {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}
.page-contact .business-main h2 {
  margin: 0 0 20px;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--blue-900);
}
.page-contact .business-main > p {
  max-width: 72ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--blue-800);
}
.page-contact .business-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .business-list li {
  position: relative;
  padding: 14px 16px 14px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--blue-900);
  background: var(--cream);
  border-left: 3px solid var(--orange);
}
.page-contact .business-note {
  position: relative;
  align-self: start;
  padding: 30px 26px 26px 30px;
  background: var(--teal-light);
  border: 1px solid rgba(61, 190, 157, 0.35);
  border-radius: 2px;
}
.page-contact .business-note::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 26px;
  width: 4px;
  height: 64px;
  background: var(--teal);
}
.page-contact .business-note h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--blue-800);
}
.page-contact .business-note p {
  margin: 0 0 12px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--gray);
}
.page-contact .business-note p:last-child {
  margin-bottom: 0;
}

/* ---------- 回复时间承诺 ---------- */
.page-contact .contact-response {
  position: relative;
  overflow: hidden;
  padding: 76px 0;
  background: var(--blue-900);
  color: var(--cream);
}
.page-contact .contact-response::before {
  content: "CONFIDENCE";
  position: absolute;
  top: 24px;
  right: 20px;
  font-size: clamp(3rem, 12vw, 7rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}
.page-contact .response-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.page-contact .response-num-block {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.page-contact .response-num {
  font-family: var(--font-mono);
  font-size: clamp(5rem, 16vw, 8.5rem);
  font-weight: 800;
  line-height: 0.8;
  letter-spacing: -0.06em;
  color: var(--orange);
}
.page-contact .response-unit {
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(253, 248, 240, 0.8);
}
.page-contact .response-copy h2 {
  margin: 0 0 18px;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 900;
  color: var(--white);
}
.page-contact .response-copy > p {
  max-width: 66ch;
  margin: 0;
  line-height: 1.8;
  color: rgba(253, 248, 240, 0.82);
}
.page-contact .response-list {
  display: grid;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .response-list li {
  position: relative;
  padding-left: 26px;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--cream);
}
.page-contact .response-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 16px;
  height: 3px;
  background: var(--orange);
  border-radius: 1px;
}

/* ---------- 城市天际线 ---------- */
.page-contact .contact-city {
  position: relative;
  margin: 0;
  overflow: hidden;
}
.page-contact .contact-city img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: clamp(320px, 42vw, 520px);
  object-fit: cover;
}
.page-contact .contact-city figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 14px 24px;
  background: linear-gradient(90deg, rgba(11, 30, 45, 0.88) 0%, rgba(11, 30, 45, 0.62) 100%);
  color: var(--cream);
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- 相关页面 ---------- */
.page-contact .contact-related {
  padding: 64px 0 72px;
  background: var(--cream);
}
.page-contact .contact-related h2 {
  margin: 0 0 28px;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--blue-900);
}
.page-contact .related-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .related-list a {
  display: block;
  position: relative;
  padding: 18px 44px 18px 20px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--blue-800);
  text-decoration: none;
  border: 1px solid var(--contact-line);
  border-radius: 2px;
  background: var(--cream);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.page-contact .related-list a::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--orange);
  transform: translateY(-50%);
}
.page-contact .related-list a:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.3fr 1fr;
  }
  .page-contact .channel-email {
    grid-column: 1 / -1;
  }
  .page-contact .channel-phone {
    grid-column: 1;
  }
  .page-contact .channel-address {
    grid-column: 2;
  }
  .page-contact .channel-net {
    grid-column: 1 / -1;
    min-height: 240px;
  }
  .page-contact .business-list {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .related-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 72px 0 88px;
  }
  .page-contact .contact-hero-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: end;
    gap: 40px;
  }
  .page-contact .hero-sub {
    justify-self: end;
    margin: 0;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.4fr 1fr 0.8fr;
  }
  .page-contact .channel-email {
    grid-column: 1 / 3;
    grid-row: 1;
    min-height: 320px;
  }
  .page-contact .channel-phone {
    grid-column: 3;
    grid-row: 1;
  }
  .page-contact .channel-address {
    grid-column: 1;
    grid-row: 2;
  }
  .page-contact .channel-net {
    grid-column: 2 / 4;
    grid-row: 2;
    min-height: 240px;
  }

  .page-contact .business-layout {
    grid-template-columns: 1.5fr 0.7fr;
    gap: 64px;
  }

  .page-contact .response-layout {
    grid-template-columns: 0.8fr 1.4fr;
    gap: 64px;
    align-items: center;
  }

  .page-contact .related-list {
    grid-template-columns: repeat(4, 1fr);
  }
}