.page-contact {
  --glow-cyan: rgba(56, 245, 208, 0.13);
  --glow-pitch: rgba(30, 111, 92, 0.24);
  --lift: 38px;
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  padding-bottom: clamp(72px, 10vw, 128px);
  color: var(--text);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(860px, 92vh);
  background:
    radial-gradient(56% 60% at 8% 4%, var(--glow-pitch), transparent 70%),
    radial-gradient(46% 52% at 88% 0%, var(--glow-cyan), transparent 72%);
  pointer-events: none;
  z-index: -1;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: calc(var(--header-h) + clamp(30px, 6vw, 76px));
  padding-bottom: clamp(44px, 7vw, 90px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-areas:
    "text"
    "media";
}

.page-contact .contact-hero__text {
  grid-area: text;
  max-width: 62ch;
}

.page-contact .contact-hero__media {
  grid-area: media;
  margin: 0;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(0.82) contrast(1.06) brightness(0.9);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line-strong);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-contact .eyebrow {
  margin: 0 0 14px;
}

.page-contact .contact-hero__text .dispaly,
.page-contact .contact-hero__text h1 {
  margin: 0 0 20px;
}

.page-contact .contact-hero__text .lede {
  margin: 0;
}

/* ---------- 章节通用 ---------- */

.page-contact .section {
  padding-block: clamp(52px, 7vw, 96px);
}

.page-contact .section-head {
  display: grid;
  gap: 12px 26px;
  margin-bottom: clamp(30px, 4.4vw, 56px);
}

.page-contact .section-head__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--pitch);
}

.page-contact .section-head__main {
  max-width: 64ch;
}

.page-contact .section-head__main .h2 {
  margin: 0 0 12px;
}

.page-contact .section-head__main .lede {
  margin: 0;
}

/* ---------- 渠道信息牌 ---------- */

.page-contact .channel-deck {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.page-contact .channel-card {
  --cut: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--panel);
  border: 1px solid var(--line);
  transition:
    transform 0.45s var(--ease),
    border-color 0.45s var(--ease),
    background-color 0.45s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-8px);
  border-color: var(--line-strong);
  background: var(--panel-2);
}

.page-contact .channel-card .tag {
  align-self: flex-start;
  margin: 0;
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--address .channel-card__value {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.65;
  letter-spacing: 0;
  color: var(--text);
}

.page-contact .channel-card__use {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .channel-card__hint {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  opacity: 0.7;
  transition: opacity 0.35s var(--ease), color 0.35s var(--ease);
}

.page-contact .channel-card:hover .channel-card__hint,
.page-contact .channel-card:focus-within .channel-card__hint {
  opacity: 1;
  color: var(--mist);
}

/* ---------- 反馈规范 ---------- */

.page-contact .feedback-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .feedback-list {
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .feedback-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: clamp(18px, 2.3vw, 26px);
  background: var(--panel);
  border: 1px solid var(--line-soft);
}

.page-contact .feedback-item__no {
  margin: 0;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .feedback-item .h3 {
  margin: 0 0 8px;
}

.page-contact .feedback-item__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .feedback-figure {
  margin: 0;
}

.page-contact .feedback-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  filter: saturate(0.78) contrast(1.05) brightness(0.88);
}

.page-contact .feedback-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 渠道分流条带 ---------- */

.page-contact .route-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .route-row {
  display: grid;
  gap: 8px;
  align-items: baseline;
  padding: clamp(16px, 2vw, 22px) clamp(18px, 2.2vw, 26px);
  background: var(--panel);
  border-left: 2px solid transparent;
  transition:
    background-color 0.35s var(--ease),
    border-left-color 0.35s var(--ease),
    transform 0.35s var(--ease);
}

.page-contact .route-row:hover,
.page-contact .route-row:focus-within {
  background: var(--panel-2);
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.page-contact .route-row__case {
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .route-row__to {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .route-row__to a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .route-row__to a:hover,
.page-contact .route-row__to a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--cyan);
}

/* ---------- 处理范围 ---------- */

.page-contact .limit-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact .limit-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line-soft);
  transition: border-color 0.4s var(--ease), background-color 0.4s var(--ease);
}

.page-contact .limit-card:hover {
  border-color: var(--line);
  background: var(--panel);
}

.page-contact .limit-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ember);
}

.page-contact .limit-card .h3 {
  margin: 0;
}

.page-contact .limit-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact .section-head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .section-head__index {
    padding-top: 5px;
  }

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

  .page-contact .channel-card:nth-child(2) {
    margin-top: var(--lift);
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: calc(var(--lift) * 1.8);
  }

  .page-contact .limit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-contact .route-row {
    grid-template-columns: minmax(0, 1fr) minmax(150px, auto);
    gap: 26px;
  }

  .page-contact .route-row__to {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-contact .feedback-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr);
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(190px, 0.38fr) minmax(0, 1fr);
    grid-template-areas: "media text";
    align-items: end;
    gap: clamp(32px, 5vw, 76px);
  }

  .page-contact .contact-hero__media img {
    aspect-ratio: 3 / 4;
    max-height: 540px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__hint,
  .page-contact .route-row,
  .page-contact .limit-card,
  .page-contact .route-row__to a {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .route-row:hover,
  .page-contact .route-row:focus-within {
    transform: none;
  }
}