.page-contact {
  display: block;
  position: relative;
  background: var(--c-space);
  color: var(--c-light);
  font-family: var(--font-body);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(192,192,192,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192,192,192,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

.page-contact > * {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  margin: 0 0 24px;
}

.page-contact .page-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(32px, 6vw, 54px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--c-light);
}

.page-contact .lead {
  max-width: 62ch;
  color: var(--c-silver);
  margin-bottom: 18px;
  line-height: 1.7;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact .contact-form-input:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 3px;
}

/* 首屏信息区 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 32px;
  background:
    radial-gradient(circle at 85% 20%, rgba(0,212,255,0.14), transparent 46%),
    linear-gradient(180deg, var(--c-deep) 0%, rgba(6,12,24,0.4) 100%);
  border-bottom: 1px solid rgba(192,192,192,0.18);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 42%;
  height: 100%;
  background: linear-gradient(120deg, transparent 20%, rgba(57,255,20,0.12) 80%);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
}

.page-contact .contact-hero-copy {
  max-width: 780px;
}

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

.page-contact .contact-hero-visual {
  margin: 0;
  width: 200px;
  height: 200px;
  display: grid;
  place-items: center;
}

.page-contact .contact-hero-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
  border: 1px solid var(--c-border);
  box-shadow: 0 0 0 1px rgba(57,255,20,0.1), 0 18px 40px rgba(0,0,0,0.3);
}

/* 客服直达 + 联系表单 双栏 */
.page-contact .contact-duo {
  padding: 48px 0 40px;
}

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

.page-contact .contact-section-title {
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 700;
  color: var(--c-light);
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-section-title::after {
  content: "";
  display: inline-block;
  width: 18px;
  height: 6px;
  background: var(--c-neon);
  border-radius: 2px;
  transform: skewX(-24deg);
}

.page-contact .contact-section-sub {
  margin: 0 0 24px;
  color: var(--c-silver);
  line-height: 1.6;
  font-size: 14px;
}

.page-contact .contact-channel-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-channel-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 16px;
  background: rgba(10,31,68,0.62);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.page-contact .contact-channel-item:hover {
  border-color: rgba(57,255,20,0.5);
  background: rgba(14,42,92,0.66);
  transform: translateX(4px);
}

.page-contact .contact-channel-icon {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  color: var(--c-neon);
  background: rgba(57,255,20,0.09);
  border: 1px solid rgba(57,255,20,0.25);
  border-radius: 12px;
}

.page-contact .contact-channel-icon svg {
  width: 22px;
  height: 22px;
}

.page-contact .contact-channel-body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .contact-channel-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan);
  font-weight: 600;
}

.page-contact .contact-channel-value {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 20px;
  color: var(--c-light);
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.page-contact .contact-channel-tip {
  font-size: 13px;
  color: var(--c-silver);
  line-height: 1.5;
}

.page-contact .contact-channel-note {
  margin: 0;
  padding-left: 2px;
  font-size: 13px;
  color: var(--c-silver);
  max-width: 52ch;
  line-height: 1.7;
}

/* 联系表单面板 */
.page-contact .contact-form-panel {
  position: relative;
  padding: 26px 20px;
  background:
    linear-gradient(rgba(0,212,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.05) 1px, transparent 1px),
    rgba(10,31,68,0.82);
  background-size: 28px 28px, 28px 28px, auto;
  border: 1px solid var(--c-border);
  border-radius: 18px;
  box-shadow: 0 22px 44px rgba(0,0,0,0.28);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
  backdrop-filter: blur(10px);
}

.page-contact .contact-form-heading {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--c-light);
}

.page-contact .contact-form-intro {
  margin: 0 0 20px;
  color: var(--c-silver);
  font-size: 14px;
  line-height: 1.6;
}

.page-contact .contact-form-field {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.page-contact .contact-form-field label {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-light);
  letter-spacing: 0.03em;
}

.page-contact .contact-form-input {
  width: 100%;
  box-sizing: border-box;
  background: rgba(6,12,24,0.82);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  color: var(--c-light);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  padding: 11px 13px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-contact .contact-form-input:focus {
  outline: none;
  border-color: var(--c-neon);
  box-shadow: 0 0 0 3px rgba(57,255,20,0.16);
}

.page-contact .contact-form-input::placeholder {
  color: rgba(192,192,192,0.55);
}

.page-contact textarea.contact-form-input {
  resize: vertical;
  min-height: 94px;
}

.page-contact .contact-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.page-contact .contact-submit-btn {
  min-width: 120px;
}

.page-contact .contact-form-note {
  font-size: 12px;
  color: var(--c-silver);
  line-height: 1.5;
}

.page-contact .contact-privacy-note {
  margin: 18px 0 0;
  padding: 10px 12px;
  border: 1px dashed var(--c-border);
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-silver);
}

.page-contact .contact-privacy-note a {
  color: var(--c-cyan);
  text-underline-offset: 3px;
}

/* 办公地址区 */
.page-contact .contact-address {
  padding: 52px 0 48px;
  background: linear-gradient(105deg, rgba(10,31,68,0.7), rgba(6,12,24,0.85));
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-address::before {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -20%;
  width: 44%;
  height: 60%;
  background: radial-gradient(circle, rgba(57,255,20,0.15), transparent 66%);
  pointer-events: none;
}

.page-contact .contact-address-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-contact .contact-address-sub {
  margin: 4px 0 16px;
  color: var(--c-silver);
  max-width: 56ch;
  line-height: 1.6;
  font-size: 14px;
}

.page-contact .contact-address-line {
  font-family: var(--font-data);
  font-size: clamp(16px, 2.1vw, 21px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-light);
  background: rgba(6,12,24,0.6);
  border-left: 4px solid var(--c-neon);
  border-radius: 0 12px 12px 0;
  padding: 14px 18px;
  margin: 12px 0 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.22);
}

.page-contact .contact-address-desc {
  margin: 0 0 12px;
  color: var(--c-silver);
  max-width: 58ch;
  line-height: 1.75;
  font-size: 14px;
}

.page-contact .contact-address-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-contact .contact-figure {
  margin: 0;
  position: relative;
}

.page-contact .contact-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
  border: 1px solid var(--c-border);
  box-shadow: 0 18px 38px rgba(0,0,0,0.3);
}

.page-contact .contact-figure figcaption {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 3px solid var(--c-cyan);
  color: var(--c-silver);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}

/* 常见问题引导 */
.page-contact .contact-faq {
  padding: 52px 0 64px;
}

.page-contact .contact-faq-head {
  margin-bottom: 24px;
}

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

.page-contact .contact-faq-card {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 6px 14px;
  align-items: flex-start;
  padding: 18px;
  background: rgba(14,42,92,0.42);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.page-contact .contact-faq-card:hover,
.page-contact .contact-faq-card:focus-visible {
  border-color: rgba(0,212,255,0.6);
  background: rgba(14,42,92,0.62);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .contact-faq-num {
  font-family: var(--font-data);
  color: var(--c-neon);
  font-size: 14px;
  line-height: 1.6;
  grid-row: span 2;
}

.page-contact .contact-faq-body {
  display: grid;
  gap: 6px;
}

.page-contact .contact-faq-body strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-light);
  line-height: 1.5;
}

.page-contact .contact-faq-body span {
  font-size: 13px;
  color: var(--c-silver);
  line-height: 1.6;
}

.page-contact .contact-faq-footer {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.page-contact .contact-faq-tip {
  font-size: 13px;
  color: var(--c-silver);
}

/* 桌面端布局增强 */
@media (min-width: 640px) {
  .page-contact .contact-faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero {
    padding: 40px 0 52px;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 40px;
  }

  .page-contact .contact-hero-visual {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-address-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-duo-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-form-panel {
    padding: 32px 28px;
  }
}