.page-contact {
  --contact-gap: clamp(18px, 2.8vw, 34px);
  padding-bottom: clamp(40px, 8vw, 96px);
}

.page-contact .breadcrumb {
  margin: 16px 0 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(16px, 3.6vw, 34px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 40px);
  align-items: center;
}

.page-contact .contact-hero__copy h1 {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(2.1rem, 9vw, 4.3rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--coal-900);
  margin: 12px 0 16px;
  max-width: 11em;
}

.page-contact .contact-hero__lede {
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.8;
  color: var(--coal-600);
  max-width: 26em;
  margin: 0 0 22px;
}

.page-contact .contact-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-contact .contact-hero__figure .media {
  border-radius: 16px 4px 28px 8px;
  background: var(--paper-200);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-hero__figure .media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ---------- 两栏主体 ---------- */
.page-contact .contact-main {
  margin-top: clamp(38px, 7vw, 76px);
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-direct {
  border-radius: 16px 4px 28px 8px;
  padding: clamp(18px, 3vw, 28px);
}

.page-contact .contact-direct h2 {
  font-family: var(--font-narrow);
  font-size: clamp(1.4rem, 3.2vw, 1.9rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--coal-900);
  margin: 8px 0 20px;
}

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

.page-contact .contact-list__row {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-sand);
  min-width: 0;
}

.page-contact .contact-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-list__label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--coal-600);
}

.page-contact .contact-list__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1rem, 2.4vw, 1.32rem);
  line-height: 1.4;
  color: var(--coal-900);
  text-decoration: none;
  word-break: break-all;
  overflow-wrap: anywhere;
}

.page-contact .contact-list__value--text {
  font-family: var(--font-sans);
  font-size: clamp(0.98rem, 1.9vw, 1.1rem);
  word-break: normal;
  overflow-wrap: break-word;
}

.page-contact a.contact-list__value:hover,
.page-contact a.contact-list__value:focus-visible {
  color: var(--line-teal);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .contact-direct__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--loess-500);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--coal-600);
}

/* ---------- 通道区 ---------- */
.page-contact .contact-ways__media {
  margin: 0 0 clamp(20px, 3vw, 28px);
  border-radius: 4px 18px 6px 20px;
  overflow: hidden;
  background: var(--paper-200);
}

.page-contact .contact-ways__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-ways__head h2 {
  font-family: var(--font-narrow);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--coal-900);
  margin: 8px 0 20px;
}

.page-contact .contact-ways__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 20px);
}

.page-contact .way-card {
  --way-accent: var(--loess-500);
  position: relative;
  background: var(--mist-white);
  border: 1px solid var(--border-sand);
  border-left: 5px solid var(--way-accent);
  border-radius: 4px 18px 6px 20px;
  padding: clamp(16px, 2.4vw, 22px);
  box-shadow: var(--shadow-panel);
  transition: transform 220ms ease-out, border-color 220ms ease-out;
  min-width: 0;
}

.page-contact .way-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-teal);
}

.page-contact .way-card--feedback { --way-accent: var(--card-red); }
.page-contact .way-card--fix      { --way-accent: var(--card-yellow); }
.page-contact .way-card--biz      { --way-accent: var(--loess-500); }
.page-contact .way-card--privacy  { --way-accent: var(--line-teal); }

.page-contact .way-card__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.page-contact .way-card__no {
  font-size: 0.78rem;
  color: var(--way-accent);
  letter-spacing: 0.12em;
}

.page-contact .way-card__title {
  font-size: clamp(1.05rem, 2.4vw, 1.2rem);
  font-weight: 700;
  color: var(--coal-900);
  margin: 0;
  letter-spacing: 0.01em;
}

.page-contact .way-card__desc {
  margin: 0 0 12px;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--coal-600);
}

.page-contact .way-card__fold {
  border-top: 1px solid var(--border-sand);
  padding-top: 10px;
  margin-bottom: 12px;
}

.page-contact .way-card__fold summary {
  cursor: pointer;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  color: var(--loess-700);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
}

.page-contact .way-card__fold summary::-webkit-details-marker { display: none; }

.page-contact .way-card__fold summary::before {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--loess-700);
  border-bottom: 2px solid var(--loess-700);
  transform: rotate(45deg);
  transition: transform 180ms ease-out;
  flex: none;
  margin-top: -3px;
}

.page-contact .way-card__fold[open] summary::before {
  transform: rotate(-135deg);
  margin-top: 3px;
}

.page-contact .way-card__steps {
  margin: 4px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--coal-600);
}

.page-contact .way-card__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--coal-900);
  text-decoration: none;
  border-bottom: 2px solid var(--way-accent);
  padding-bottom: 2px;
}

.page-contact .way-card__link:hover,
.page-contact .way-card__link:focus-visible {
  color: var(--line-teal);
  border-color: var(--line-teal);
}

/* ---------- 来函建议 ---------- */
.page-contact .contact-tips {
  margin-top: clamp(34px, 6vw, 64px);
}

.page-contact .contact-tips__panel {
  border-radius: 16px 4px 28px 8px;
  padding: clamp(20px, 3.4vw, 36px);
}

.page-contact .contact-tips__panel h2 {
  font-family: var(--font-narrow);
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--coal-900);
  margin: 8px 0 22px;
}

.page-contact .contact-tips__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: tips;
}

.page-contact .contact-tips__list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-sand);
}

.page-contact .contact-tips__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-tips__no {
  font-size: 0.9rem;
  color: var(--loess-700);
  line-height: 1.7;
}

.page-contact .contact-tips__list p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--coal-600);
  max-width: 34em;
}

/* ---------- 备案索引带 ---------- */
.page-contact .contact-stamp {
  margin-top: clamp(28px, 5vw, 52px);
}

.page-contact .contact-stamp__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding: 14px 18px;
  background: var(--coal-900);
  color: var(--paper-100);
  border-radius: 4px 18px 6px 20px;
  font-size: 0.86rem;
}

.page-contact .contact-stamp__label {
  letter-spacing: 0.2em;
  font-size: 11px;
  color: var(--card-yellow);
}

.page-contact .contact-stamp__value {
  color: var(--paper-100);
  font-size: 0.92rem;
}

.page-contact .contact-stamp__text {
  color: var(--border-sand);
  line-height: 1.6;
}

.page-contact .contact-stamp__link {
  margin-left: auto;
  color: var(--paper-100);
  text-decoration: none;
  border-bottom: 1px solid var(--line-teal);
  padding-bottom: 2px;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
}

.page-contact .contact-stamp__link:hover,
.page-contact .contact-stamp__link:focus-visible {
  color: var(--line-teal);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-ways__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(24px, 3.4vw, 44px);
  }

  .page-contact .contact-direct {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-contact .contact-ways__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-tips__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 34px;
  }

  .page-contact .contact-tips__list li {
    border-bottom: 0;
    padding-bottom: 0;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1440px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .way-card,
  .page-contact .way-card__fold summary::before {
    transition: none;
  }
  .page-contact .way-card:hover {
    transform: none;
  }
}