.page-contact {
  --ring-blue: rgba(0, 168, 255, .28);
  --ring-lime: rgba(198, 255, 58, .25);
  --grad-form: linear-gradient(135deg, rgba(124, 58, 237, .10) 0%, rgba(32, 36, 51, .35) 42%, rgba(11, 13, 20, 0) 100%);
}

/* ---------- 页面顶部 ---------- */
.page-contact .page-head {
  padding-top: var(--space-5);
}

.page-contact .page-breadcrumb {
  margin-bottom: var(--space-4);
  font-size: 14px;
  font-family: var(--font-mono);
}

.page-contact .contact-hero {
  position: relative;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 96px;
  height: 3px;
  background: var(--accent-lime);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-contact .contact-hero h1 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-head);
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--text-bright);
}

.page-contact .contact-hero .page-subtitle {
  max-width: 640px;
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-body);
}

/* ---------- 通用小标题 ---------- */
.page-contact .section-head,
.page-contact .quick-help__head {
  margin-bottom: var(--space-5);
}

.page-contact .section-head h2,
.page-contact .quick-help__head h2,
.page-contact .contact-form-panel h2,
.page-contact .promise-main h2 {
  margin: var(--space-2) 0 0;
  font-family: var(--font-head);
  font-size: 30px;
  line-height: 1.2;
  color: var(--text-bright);
}

.page-contact .section-lead {
  margin: var(--space-2) 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-channels {
  padding: var(--space-4) 0 var(--space-6);
}

.page-contact .contact-channels-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 960px) {
  .page-contact .contact-channels-grid {
    grid-template-columns: 1.25fr .85fr 1fr;
  }
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: 0 14px 34px rgba(0, 168, 255, .12);
}

.page-contact .channel-card__index {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-muted);
  background: var(--bg-deep);
  border-radius: var(--radius-sm);
}

.page-contact .channel-card__icon {
  margin-bottom: var(--space-2);
  color: var(--accent-lime);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--text-bright);
}

.page-contact .channel-card__desc {
  margin: 0 0 var(--space-3);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-contact .contact-email-link,
.page-contact .contact-tel-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: auto;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-bright);
  text-decoration: none;
  background: rgba(0, 168, 255, .12);
  border: 1px solid rgba(0, 168, 255, .35);
  border-radius: var(--radius-sm);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-contact .contact-email-link:hover,
.page-contact .contact-tel-link:hover,
.page-contact .contact-email-link:focus-visible,
.page-contact .contact-tel-link:focus-visible {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: var(--bg-deep);
}

.page-contact .channel-card--address {
  padding: 0;
  gap: 0;
  overflow: hidden;
}

.page-contact .channel-card__media {
  position: relative;
  height: 0;
  padding-top: 62.5%;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .channel-card__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .channel-card--address .channel-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
}

.page-contact .contact-address {
  margin: var(--space-2) 0;
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 15px;
  line-height: 1.7;
  color: var(--accent-blue);
  background: var(--bg-deep);
  border-left: 3px solid var(--accent-lime);
  border-radius: var(--radius-sm);
}

.page-contact .channel-card__tip {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- 表单留言 ---------- */
.page-contact .contact-form-section {
  padding: var(--space-6) 0;
  background: var(--grad-form);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-form-layout {
  --cols: 1fr;
  gap: var(--space-5);
}

@media (min-width: 960px) {
  .page-contact .contact-form-layout {
    --cols: 1.2fr .8fr;
  }
}

.page-contact .contact-form-panel > .section-tag {
  color: var(--accent-blue);
}

.page-contact .form-intro {
  margin: var(--space-2) 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .contact-form {
  margin-top: var(--space-4);
}

.page-contact .form-row--two {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .page-contact .form-row--two {
    grid-template-columns: 1fr 1fr;
  }
}

.page-contact .form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-contact .form-field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-body);
}

.page-contact .form-required {
  color: var(--accent-red);
}

.page-contact .form-field input,
.page-contact .form-field select,
.page-contact .form-field textarea {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-bright);
  background: var(--bg-deep);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-contact .form-field input::placeholder,
.page-contact .form-field textarea::placeholder {
  color: var(--text-muted);
  opacity: .8;
}

.page-contact .form-field input:focus,
.page-contact .form-field select:focus,
.page-contact .form-field textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--ring-blue);
}

.page-contact .form-field select {
  appearance: auto;
}

.page-contact .contact-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--bg-deep);
  background: var(--accent-blue);
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-5);
  cursor: pointer;
  transition: transform .2s ease, opacity .2s ease;
}

.page-contact .contact-submit-btn::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-contact .contact-submit-btn:hover {
  transform: translateY(-2px);
  opacity: .92;
}

.page-contact .contact-submit-btn:focus-visible {
  outline: 3px solid var(--accent-lime);
  outline-offset: 2px;
}

.page-contact .form-hint {
  margin: var(--space-3) 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ---------- 旁注分类 ---------- */
.page-contact .contact-side-notes {
  position: relative;
  padding: var(--space-5);
  background: var(--bg-elevated);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-contact .contact-side-notes::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 72px;
  background: var(--accent-lime);
}

.page-contact .side-note-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--accent-lime);
  margin-bottom: var(--space-4);
}

.page-contact .feedback-type-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .feedback-type-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .feedback-type-list li:last-child {
  border-bottom: none;
}

.page-contact .feedback-type-list strong {
  display: block;
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-bright);
}

.page-contact .feedback-type-list span {
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ---------- 响应承诺 ---------- */
.page-contact .contact-promise {
  padding: var(--space-6) 0;
}

.page-contact .promise-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 960px) {
  .page-contact .promise-grid {
    grid-template-columns: 1.2fr .8fr;
    grid-template-areas:
      "main media"
      "main urgent";
    align-items: stretch;
  }

  .page-contact .promise-main { grid-area: main; }
  .page-contact .promise-media { grid-area: media; }
  .page-contact .promise-urgent { grid-area: urgent; }
}

.page-contact .promise-main {
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

.page-contact .promise-lead {
  margin: var(--space-3) 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
}

.page-contact .promise-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-contact .promise-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3);
  background: var(--bg-deep);
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-contact .promise-list li span {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-lime);
}

.page-contact .promise-media {
  position: relative;
  height: 0;
  padding-top: 75%;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

.page-contact .promise-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .promise-urgent {
  padding: var(--space-5);
  background: linear-gradient(135deg, rgba(0, 168, 255, .16), transparent 60%), var(--bg-elevated);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

.page-contact .promise-urgent__label {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--text-muted);
}

.page-contact .promise-urgent__tel {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--text-bright);
  text-decoration: none;
  background: rgba(198, 255, 58, .1);
  border-bottom: 2px solid var(--accent-lime);
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .promise-urgent__tel:hover,
.page-contact .promise-urgent__tel:focus-visible {
  color: var(--accent-lime);
  border-color: var(--accent-lime);
}

.page-contact .promise-urgent__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .promise-urgent .trust-band {
  margin-top: var(--space-4);
}

/* ---------- 快捷帮助 ---------- */
.page-contact .quick-help {
  padding: var(--space-6) 0 var(--space-7);
}

.page-contact .quick-help__grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 800px) {
  .page-contact .quick-help__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-contact .quick-help-card {
  position: relative;
  display: block;
  padding: var(--space-5);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.page-contact .quick-help-card::before {
  content: "";
  position: absolute;
  right: -18px;
  top: -18px;
  width: 64px;
  height: 64px;
  background: var(--accent-blue);
  opacity: .08;
  border-radius: 2px;
  transform: rotate(14deg);
}

.page-contact .quick-help-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: var(--bg-elevated);
}

.page-contact .quick-help-card:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

.page-contact .quick-help-card__num {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--accent-lime);
}

.page-contact .quick-help-card h3 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.35;
  color: var(--text-bright);
}

.page-contact .quick-help-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}