/* ========== 联系通道页面 ========== */
.page-contact {
  --page-gutter: clamp(16px, 4vw, 32px);
  --card-corner: 56px;
  position: relative;
  color: var(--c-text-light);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
}

.page-contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 340px;
  background-image:
    linear-gradient(rgba(123, 47, 239, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123, 47, 239, 0.07) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: 0;
}

.page-contact .container {
  width: min(var(--content-max), calc(100% - 2 * var(--page-gutter)));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-text-muted);
}

.page-contact .breadcrumb a {
  color: var(--c-text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--c-accent-green);
  border-bottom-color: rgba(198, 255, 61, 0.5);
}

.page-contact .breadcrumb-current {
  color: var(--c-text-light);
}

.page-contact .page-head {
  position: relative;
  padding: 32px 0 32px;
}

.page-contact .page-head::before {
  content: "";
  position: absolute;
  top: 12px;
  right: 0;
  width: 76px;
  height: 6px;
  background: linear-gradient(90deg, var(--c-accent-purple), var(--c-accent-green));
  transform: skewX(-18deg);
}

.page-contact .page-head-inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.page-contact .page-head-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-contact .section-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 26px;
  padding: 0 6px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-accent-green);
  border: 1px solid rgba(198, 255, 61, 0.35);
  border-radius: 2px;
  transform: skewX(-6deg);
}

.page-contact .page-kicker {
  margin: 0;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--c-text-muted);
  text-transform: uppercase;
}

.page-contact .page-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(30px, 5.2vw, 54px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  transform: skewX(-3deg);
  max-width: 13em;
}

.page-contact .page-lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text-muted);
}

.page-contact .page-lead a {
  color: var(--c-accent-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.45);
  transition: border-color 0.25s var(--ease);
}

.page-contact .page-lead a:hover {
  border-bottom-color: var(--c-accent-green);
}

/* ---------- 章节标题 ---------- */
.page-contact .section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  margin-bottom: 20px;
}

.page-contact .section-heading h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  transform: skewX(-2deg);
}

.page-contact .section-heading h2::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 12px;
  background: var(--c-wine);
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.9;
}

.page-contact .section-lead {
  flex-basis: 100%;
  margin: -8px 0 0;
  max-width: 64ch;
  font-size: 14px;
  color: var(--c-text-muted);
}

/* ---------- 联系渠道 / 联系卡 ---------- */
.page-contact .contact-channel-section {
  position: relative;
  padding-top: 16px;
  padding-bottom: 48px;
}

.page-contact .contact-card-wrap {
  position: relative;
}

.page-contact .contact-card {
  position: relative;
  min-height: 400px;
  overflow: hidden;
  border: 1px solid rgba(123, 47, 239, 0.5);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(26, 27, 75, 0.96) 0%, rgba(11, 16, 38, 0.94) 70%, rgba(11, 16, 38, 0.9) 100%);
  box-shadow:
    0 0 0 1px rgba(11, 16, 38, 0.8),
    0 28px 60px -24px rgba(0, 0, 0, 0.6);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .contact-card:hover {
  transform: rotate(-0.4deg) translateY(-5px);
  border-color: rgba(198, 255, 61, 0.55);
  box-shadow:
    0 0 0 1px rgba(11, 16, 38, 0.9),
    0 34px 64px -22px rgba(123, 47, 239, 0.25);
}

.page-contact .contact-card-bg {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
}

.page-contact .contact-card-cover {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 16, 38, 0.55) 0%, rgba(11, 16, 38, 0.12) 40%, rgba(26, 27, 75, 0.7) 100%);
}

.page-contact .contact-card-head {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(123, 47, 239, 0.3);
  background: rgba(11, 16, 38, 0.25);
}

.page-contact .card-brand {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-text-light);
}

.page-contact .card-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #0B1026;
  background: var(--c-accent-green);
  border-radius: 2px;
  transform: skewX(-4deg);
}

.page-contact .contact-card-body {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 22px 20px 28px;
}

.page-contact .contact-card-left {
  border-left: 2px solid rgba(198, 255, 61, 0.45);
  padding: 2px 0 0 16px;
}

.page-contact .card-label {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-accent-green);
  text-transform: uppercase;
}

.page-contact .card-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-contact .card-flow li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  color: var(--c-text-light);
}

.page-contact .card-flow li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--c-accent-purple);
  transform: rotate(45deg);
}

.page-contact .card-footnote {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text-muted);
}

.page-contact .contact-card-right {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .contact-item {
  padding: 14px 16px 13px;
  background: rgba(11, 16, 38, 0.45);
  border: 1px solid rgba(123, 47, 239, 0.24);
  border-radius: 10px;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .contact-item:hover {
  background: rgba(11, 16, 38, 0.7);
  border-color: rgba(198, 255, 61, 0.4);
  transform: translateX(4px);
}

.page-contact .contact-item-label {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
}

.page-contact .contact-item-value {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--c-text-light);
  word-break: break-all;
}

.page-contact a.contact-item-value {
  color: var(--c-accent-green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.page-contact a.contact-item-value:hover {
  border-bottom-color: rgba(198, 255, 61, 0.5);
}

.page-contact .contact-item-note {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--c-text-muted);
}

.page-contact .contact-card-fold {
  position: absolute;
  bottom: 0;
  right: 0;
  width: var(--card-corner);
  height: var(--card-corner);
  background: linear-gradient(
    225deg,
    rgba(11, 16, 38, 0.9) 0%,
    rgba(11, 16, 38, 0.9) 42%,
    rgba(123, 47, 239, 0.28) 50%,
    rgba(123, 47, 239, 0.05) 100%
  );
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
  z-index: 3;
  pointer-events: none;
}

/* ---------- 反馈流程 ---------- */
.page-contact .feedback-section {
  position: relative;
  padding: 28px 18px 36px;
  margin: 8px 0 40px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(13, 74, 90, 0.28) 10%, rgba(13, 74, 90, 0.28) 90%, transparent 100%),
    linear-gradient(135deg, rgba(123, 47, 239, 0.1), transparent 60%);
  border-radius: 18px;
}

.page-contact .feedback-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-teal), var(--c-accent-purple), var(--c-accent-green));
}

.page-contact .feedback-steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .feedback-step {
  position: relative;
  margin: 0;
  padding: 24px 20px 22px;
  background: rgba(11, 16, 38, 0.55);
  border: 1px solid rgba(198, 255, 61, 0.12);
  border-radius: 12px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .feedback-step:hover {
  border-color: rgba(198, 255, 61, 0.4);
  background: rgba(11, 16, 38, 0.75);
  box-shadow: 0 0 0 1px rgba(123, 47, 239, 0.2), 0 16px 28px -18px rgba(0, 0, 0, 0.6);
}

.page-contact .feedback-step::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-accent-purple);
  border-bottom: 2px solid var(--c-accent-purple);
  transform: translateX(-50%) rotate(45deg);
  background: rgba(11, 16, 38, 0.8);
  z-index: 1;
}

.page-contact .feedback-step:last-child::after {
  display: none;
}

.page-contact .step-index {
  display: inline-block;
  padding: 3px 9px;
  margin-bottom: 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-accent-green);
  border: 1px solid rgba(123, 47, 239, 0.4);
  border-radius: 2px;
}

.page-contact .step-title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  transform: skewX(-2deg);
}

.page-contact .step-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-muted);
  max-width: 46em;
}

/* ---------- 响应时间 ---------- */
.page-contact .response-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-bottom: 40px;
  margin-bottom: 24px;
}

.page-contact .response-list {
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid rgba(94, 27, 58, 0.6);
}

.page-contact .response-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 4px;
  border-bottom: 1px solid rgba(94, 27, 58, 0.3);
}

.page-contact .response-row dt {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text-light);
}

.page-contact .response-row dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-accent-green);
  line-height: 1.5;
}

.page-contact .response-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-self: stretch;
  background: rgba(26, 27, 75, 0.45);
  border: 1px solid rgba(123, 47, 239, 0.25);
  border-radius: 14px;
  overflow: hidden;
}

.page-contact .response-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-bottom: 1px solid rgba(123, 47, 239, 0.2);
}

.page-contact .response-figure figcaption {
  padding: 10px 14px 12px;
  margin-top: auto;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-text-muted);
}

/* ---------- 相关帮助 ---------- */
.page-contact .assist-section {
  padding: 12px 0 54px;
}

.page-contact .assist-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .assist-card {
  display: block;
  position: relative;
  padding: 24px 22px;
  background: rgba(26, 27, 75, 0.55);
  border: 1px solid rgba(123, 47, 239, 0.28);
  border-radius: 14px;
  text-decoration: none;
  color: var(--c-text-light);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .assist-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 34px;
  height: 3px;
  background: var(--c-accent-purple);
  transition: background 0.3s var(--ease), width 0.3s var(--ease);
}

.page-contact .assist-card:hover {
  transform: translateY(-5px);
  border-color: rgba(198, 255, 61, 0.5);
  background: rgba(26, 27, 75, 0.75);
  box-shadow: 0 18px 36px -18px rgba(0, 0, 0, 0.7);
}

.page-contact .assist-card:hover::before {
  width: 54px;
  background: var(--c-accent-green);
}

.page-contact .assist-card-index {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-accent-purple);
}

.page-contact .assist-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.3;
  transform: skewX(-2deg);
}

.page-contact .assist-card p {
  margin: 0;
  font-size: 14px;
  color: var(--c-text-muted);
}

/* ---------- 平板优先增强 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-card-body {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .feedback-step {
    padding: 26px 24px 24px;
  }

  .page-contact .assist-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .assist-card:last-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-contact .page-head {
    padding: 64px 0 48px;
  }

  .page-contact .page-title {
    font-size: 54px;
  }

  .page-contact .page-lead {
    font-size: 17px;
  }

  .page-contact .section-heading h2 {
    font-size: 32px;
  }

  .page-contact .section-lead {
    font-size: 15px;
  }

  .page-contact .contact-card-body {
    grid-template-columns: 0.9fr 1.3fr;
    gap: 36px;
    padding: 30px 34px 34px;
  }

  .page-contact .contact-card-left {
    padding-top: 6px;
    padding-bottom: 6px;
  }

  .page-contact .card-flow li {
    font-size: 15px;
  }

  .page-contact .feedback-section {
    padding: 40px 30px 44px;
  }

  .page-contact .feedback-steps {
    flex-direction: row;
    align-items: stretch;
    gap: 14px;
  }

  .page-contact .feedback-step {
    flex: 1;
  }

  .page-contact .feedback-step::after {
    left: auto;
    bottom: auto;
    top: 50%;
    right: -12px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--c-accent-green);
    border-bottom: 2px solid var(--c-accent-green);
    transform: translateY(-50%) rotate(-45deg);
    background: transparent;
  }

  .page-contact .response-section {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 40px;
    padding-bottom: 64px;
  }

  .page-contact .response-figure {
    position: sticky;
    top: 130px;
  }

  .page-contact .response-row {
    grid-template-columns: 280px 1fr;
    gap: 12px;
    align-items: baseline;
    padding: 17px 6px;
  }

  .page-contact .assist-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-contact .assist-card {
    padding: 28px 24px;
  }

  .page-contact .assist-card:last-child {
    grid-column: auto;
  }
}