.page-contact {
  --contact-radius: 18px;
  background: var(--c-primary);
  color: var(--c-text);
}

/* ---- Hero ---- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(100, 255, 218, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 255, 218, 0.05) 1px, transparent 1px),
    radial-gradient(ellipse at 82% 16%, rgba(255, 107, 53, 0.14), transparent 46%),
    linear-gradient(135deg, var(--c-primary-dark) 0%, var(--c-primary) 58%, var(--c-primary-light) 100%);
  background-size: 58px 58px, 58px 58px, auto, auto;
}

.page-contact .contact-hero__inner {
  position: relative;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 34px 24px 60px;
}

.page-contact .breadcrumb {
  margin-bottom: 26px;
  font-size: 13px;
}

.page-contact .breadcrumb a {
  color: var(--c-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--c-green);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--c-text);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 28px;
}

.page-contact .contact-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-green);
}

.page-contact .contact-hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--c-orange);
}

.page-contact .contact-hero__title {
  margin: 18px 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.page-contact .contact-hero__lead {
  max-width: 48ch;
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-dim);
}

.page-contact .contact-hero__notice {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid rgba(100, 255, 218, 0.28);
  border-radius: 999px;
  font-size: 14px;
  color: var(--c-text);
  background: rgba(17, 34, 64, 0.55);
}

.page-contact .contact-hero__notice-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-ok);
  box-shadow: 0 0 0 4px rgba(61, 214, 140, 0.12);
}

.page-contact .contact-hero__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-border);
  border-radius: 22px;
  box-shadow: var(--shadow-1);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 58%, rgba(2, 12, 27, 0.42));
  pointer-events: none;
}

.page-contact .contact-hero__index {
  position: absolute;
  right: 16px;
  bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(52px, 10vw, 128px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(230, 241, 255, 0.07);
  pointer-events: none;
  user-select: none;
}

/* ---- 联系方式卡片 ---- */
.page-contact .contact-channels {
  padding: 64px 0 78px;
}

.page-contact .contact-channels .section-head {
  margin-bottom: 44px;
}

.page-contact .contact-channel-grid {
  display: grid;
  gap: 20px;
}

.page-contact .contact-channel {
  position: relative;
  padding: 28px 24px;
  border: 1px solid var(--c-border);
  border-radius: var(--contact-radius);
  background: linear-gradient(155deg, rgba(17, 34, 64, 0.92), rgba(2, 12, 27, 0.88));
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-contact .contact-channel:hover {
  transform: translateY(-4px);
  border-color: rgba(100, 255, 218, 0.42);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--c-green);
}

.page-contact .contact-channel:nth-child(2)::before {
  background: var(--c-orange);
}

.page-contact .contact-channel:nth-child(3)::before {
  background: var(--c-green);
}

.page-contact .contact-channel__index {
  position: absolute;
  top: 18px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: rgba(230, 241, 255, 0.22);
}

.page-contact .contact-channel__icon {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  margin-bottom: 20px;
  border-radius: 14px;
  color: var(--c-green);
  background: rgba(100, 255, 218, 0.1);
}

.page-contact .contact-channel:nth-child(2) .contact-channel__icon {
  color: var(--c-orange);
  background: rgba(255, 107, 53, 0.1);
}

.page-contact .contact-channel__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-dim);
}

.page-contact .contact-channel__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1.5;
  color: var(--c-text);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-dim);
}

.page-contact .contact-channel--email .contact-channel__value {
  color: var(--c-green);
}

.page-contact .contact-channel--phone .contact-channel__value {
  font-size: 24px;
  letter-spacing: 0.02em;
}

.page-contact .contact-channel--address .contact-channel__value {
  font-size: 17px;
  line-height: 1.6;
}

/* ---- 联系表单（静态） ---- */
.page-contact .contact-form-section {
  background: var(--c-light);
  color: var(--c-primary);
  padding: 72px 0;
}

.page-contact .contact-form-section__inner {
  display: grid;
  gap: 36px;
}

.page-contact .contact-form-side {
  max-width: 46ch;
}

.page-contact .contact-form-side__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.page-contact .contact-form-side__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--c-orange);
}

.page-contact .contact-form-side h2 {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.15;
  color: var(--c-primary);
}

.page-contact .contact-form-side p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-primary);
}

.page-contact .contact-form-route {
  margin-top: 26px;
  padding: 20px;
  border-left: 3px solid var(--c-orange);
  border-radius: 0 14px 14px 0;
  background: rgba(10, 25, 47, 0.06);
}

.page-contact .contact-form-route p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-primary);
}

.page-contact .contact-form-route strong {
  font-family: var(--font-mono);
  font-weight: 600;
}

.page-contact .contact-form-static {
  padding: 28px 24px;
  background: #ffffff;
  border: 1px solid rgba(10, 25, 47, 0.1);
  border-radius: 20px;
  box-shadow: 0 14px 32px rgba(10, 25, 47, 0.08);
}

.page-contact .contact-form-field {
  margin-bottom: 18px;
}

.page-contact .contact-form-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
}

.page-contact .contact-form-field input,
.page-contact .contact-form-field select,
.page-contact .contact-form-field textarea {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(10, 25, 47, 0.16);
  border-radius: 10px;
  background: #ffffff;
  color: var(--c-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .contact-form-field input::placeholder,
.page-contact .contact-form-field textarea::placeholder {
  color: rgba(10, 25, 47, 0.42);
}

.page-contact .contact-form-field input:focus,
.page-contact .contact-form-field select:focus,
.page-contact .contact-form-field textarea:focus {
  outline: none;
  border-color: var(--c-green);
  box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.3);
}

.page-contact .contact-form-field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230A192F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.page-contact .contact-form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.page-contact .contact-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}

.page-contact .contact-form-actions .btn--ghost {
  border-color: rgba(10, 25, 47, 0.26);
  color: var(--c-primary);
}

.page-contact .contact-form-actions .btn--ghost:hover {
  border-color: var(--c-primary);
}

.page-contact .contact-form-static__tip {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(10, 25, 47, 0.56);
}

/* ---- 周边服务说明 ---- */
.page-contact .contact-support {
  padding: 72px 0;
  background:
    radial-gradient(circle at 90% 8%, rgba(255, 107, 53, 0.16), transparent 36%),
    linear-gradient(160deg, var(--c-primary-dark), var(--c-primary));
}

.page-contact .contact-support__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-contact .contact-support__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-border);
  border-radius: 22px;
  box-shadow: var(--shadow-1);
}

.page-contact .contact-support__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-support__media::after {
  content: "";
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 42%;
  height: 28px;
  border-radius: 4px;
  background: linear-gradient(90deg, transparent, var(--c-green));
  opacity: 0.2;
  pointer-events: none;
}

.page-contact .contact-support__content h2 {
  margin: 6px 0 14px;
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.16;
  color: var(--c-text);
}

.page-contact .contact-support__content > p {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-dim);
}

.page-contact .contact-support__list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-support__list li {
  position: relative;
  padding: 13px 0 13px 26px;
  border-bottom: 1px solid rgba(35, 53, 84, 0.9);
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text);
}

.page-contact .contact-support__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 21px;
  width: 10px;
  height: 10px;
  background: var(--c-green);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.page-contact .contact-support__list strong {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--c-green);
}

.page-contact .contact-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-contact .contact-support__actions .btn--ghost {
  border-color: rgba(230, 241, 255, 0.36);
  color: var(--c-text);
}

.page-contact .contact-support__actions .btn--ghost:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}

.page-contact .contact-support__trust {
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(35, 53, 84, 0.9);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-dim);
}

/* ---- 响应式 ---- */
@media (min-width: 768px) {
  .page-contact .contact-hero__inner {
    padding: 48px 24px 80px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 44px;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-channels {
    padding: 88px 0 112px;
  }

  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-contact .contact-channel:nth-child(2) {
    margin-top: 36px;
  }

  .page-contact .contact-channel:nth-child(3) {
    margin-top: 72px;
  }

  .page-contact .contact-form-section {
    padding: 88px 0;
  }

  .page-contact .contact-form-section__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 60px;
  }

  .page-contact .contact-support {
    padding: 92px 0;
  }

  .page-contact .contact-support__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 56px;
  }
}