.page-contact {
  --contact-pad: clamp(2.25rem, 6vw, 5rem);
  --contact-accent: #00FF9C;
  --contact-warm: #FF5A36;
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

/* ===== 首屏区 ===== */
.contact-hero {
  position: relative;
  padding: 3rem 0 4.5rem;
  text-align: center;
  background:
    repeating-linear-gradient(-45deg, transparent 0 30px, rgba(74, 90, 138, 0.08) 30px 32px),
    radial-gradient(ellipse at 70% 130%, rgba(123, 104, 238, 0.28), transparent 55%),
    radial-gradient(ellipse at 10% 100%, rgba(0, 255, 156, 0.10), transparent 45%),
    var(--color-bg-deep);
  overflow: hidden;
}
.contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--contact-accent) 0 58%, var(--contact-warm) 58% 100%);
}
.contact-hero-inner {
  position: relative;
  z-index: 1;
}
.contact-breadcrumb {
  margin-bottom: 2rem;
}
.contact-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
}
.contact-breadcrumb a,
.contact-breadcrumb span {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.contact-breadcrumb a:hover {
  color: var(--color-accent);
}
.contact-breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--color-border);
}
.contact-eyebrow {
  font-family: var(--font-data);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.contact-hero h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.08;
  margin: 0 0 0.75rem;
}
.contact-hero-sub {
  display: block;
  font-size: clamp(1rem, 2.6vw, 1.6rem);
  color: var(--color-text-dim);
  margin-bottom: 1rem;
  letter-spacing: 0.06em;
}
.contact-hero-desc {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ===== 联系方式 ===== */
.contact-channels {
  position: relative;
  padding: var(--contact-pad) 0;
}
.contact-section-head {
  max-width: 720px;
  margin: 0 auto 2.25rem;
  text-align: center;
}
.contact-section-head h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  margin: 0.4rem 0 0.7rem;
}
.contact-section-head .section-desc {
  color: var(--color-text-dim);
  line-height: 1.7;
  margin: 0;
}
.contact-channel-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) {
  .contact-channel-list {
    grid-template-columns: repeat(2, 1fr);
  }
}
.contact-channel-item {
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: 1.4rem 1.3rem 1.3rem;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}
.contact-channel-item:hover {
  transform: translateY(-4px);
  background: var(--color-card-hover);
  border-color: rgba(0, 255, 156, 0.4);
}
.contact-channel-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 0.9rem;
  color: var(--color-accent);
  background: rgba(0, 255, 156, 0.08);
  border: 1px solid rgba(0, 255, 156, 0.25);
}
.contact-channel-ico svg {
  width: 24px;
  height: 24px;
}
.contact-channel-label {
  display: block;
  font-family: var(--font-data);
  font-size: 0.72rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 0.25rem;
}
.contact-channel-value {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.contact-channel-value a {
  color: inherit;
  text-decoration: none;
}
.contact-channel-value a:hover {
  color: var(--color-accent);
}
.contact-channel-note {
  margin: 0.7rem 0 0;
  color: var(--color-text-dim);
  font-size: 0.83rem;
  line-height: 1.6;
}

/* ===== 服务范围 ===== */
.contact-support-scope {
  padding: var(--contact-pad) 0;
  background:
    linear-gradient(115deg, transparent 0 40%, rgba(255, 90, 54, 0.10) 40% 42%, transparent 42% 100%),
    linear-gradient(245deg, transparent 0 70%, rgba(123, 104, 238, 0.12) 70% 72%, transparent 72% 100%),
    var(--color-bg-deep);
  border-top: 1px solid rgba(74, 90, 138, 0.3);
  border-bottom: 1px solid rgba(74, 90, 138, 0.3);
}
.contact-scope-inner {
  max-width: 820px;
  margin: 0 auto;
}
.contact-scope-head {
  text-align: center;
  margin-bottom: 1rem;
}
.contact-scope-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin: 0.4rem 0 0.9rem;
}
.contact-scope-lead {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}
.contact-scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}
.contact-scope-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--color-text-dim);
  line-height: 1.65;
}
.contact-scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 9px;
  height: 9px;
  background: var(--color-accent);
  transform: rotate(45deg);
}
@media (min-width: 640px) {
  .contact-scope-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== 合作方向 ===== */
.contact-partnership {
  padding: var(--contact-pad) 0;
}
.contact-partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}
@media (min-width: 640px) {
  .contact-partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.contact-partner-card {
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: 1.7rem 1.4rem 1.5rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background-color 0.2s ease, transform 0.2s ease;
}
.contact-partner-card:hover {
  background: var(--color-card-hover);
  transform: translateY(-3px);
}
.contact-partner-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, transparent 50%, rgba(0, 255, 156, 0.6) 50%);
}
.contact-partner-no {
  display: block;
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.contact-partner-card h3 {
  font-size: 1.2rem;
  margin: 0 0 0.6rem;
}
.contact-partner-card p {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}

/* ===== 响应时间 ===== */
.contact-response {
  padding: var(--contact-pad) 0;
  background:
    repeating-linear-gradient(45deg, transparent 0 36px, rgba(0, 255, 156, 0.03) 36px 38px),
    var(--color-bg);
}
.contact-response-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 820px) {
  .contact-response-grid {
    grid-template-columns: 1fr 1.1fr;
  }
}
.contact-response-media {
  position: relative;
}
.contact-response-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
.contact-response-body .section-eyebrow {
  margin-bottom: 0.35rem;
}
.contact-response-body h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  margin: 0 0 0.35rem;
}
.contact-response-body .contact-response-num {
  font-family: var(--font-data);
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1;
  color: var(--color-accent);
  margin: 0.6rem 0 1.1rem;
  letter-spacing: -0.02em;
}
.contact-response-body > p {
  color: var(--color-text-dim);
  line-height: 1.75;
  margin: 0.6rem 0;
}
.contact-response-body a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 运营中心区位 ===== */
.contact-location {
  padding: var(--contact-pad) 0;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(123, 104, 238, 0.18), transparent 50%),
    var(--color-bg-deep);
  border-top: 1px solid rgba(74, 90, 138, 0.25);
}
.contact-location-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 820px) {
  .contact-location-grid {
    grid-template-columns: 1.1fr 1fr;
  }
}
.contact-location-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.contact-location-info .section-eyebrow {
  margin-bottom: 0.35rem;
}
.contact-location-info h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  margin: 0 0 0.75rem;
}
.contact-location-info .contact-location-address {
  font-family: var(--font-data);
  font-size: clamp(1.1rem, 2.6vw, 1.6rem);
  color: var(--color-accent);
  line-height: 1.45;
  margin: 0 0 1rem;
}
.contact-location-info > p {
  color: var(--color-text-dim);
  line-height: 1.8;
}
.contact-location-info a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact-location-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.25rem;
}
.page-contact .btn-outline {
  color: var(--color-text);
  border-color: var(--color-border);
  background: transparent;
}
.page-contact .btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}