/* ===== 咨询服务页 · page-contact ===== */
.page-contact {
  --contact-rail: 3px;
}

/* --- 通用段落节奏 --- */
.page-contact .section {
  padding-block: clamp(44px, 7vw, 92px);
}

.page-contact .section__sub {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 640px;
}

.page-contact .contact-hero {
  padding-block: clamp(22px, 4vw, 40px) clamp(46px, 8vw, 96px);
  border-bottom: 1px solid var(--line);
}

/* --- 非对称分栏：窄栏靠左，右侧留白 --- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-contact .contact-hero__title {
  margin: 16px 0 20px;
  font-family: var(--font-head);
  font-size: clamp(30px, 6vw, 54px);
  font-weight: 900;
  letter-spacing: 0.012em;
  line-height: 1.12;
  max-width: 15ch;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.9;
}

/* --- 首屏要点条 --- */
.page-contact .contact-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-facts__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-facts dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .contact-facts dd {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* --- 时段刻度图形：浮在右侧留白上 --- */
.page-contact .contact-hero__aside {
  position: relative;
}

.page-contact .hourscale {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  margin-inline-start: auto;
}

.page-contact .hourscale__axis {
  stroke: var(--line);
  stroke-width: 1.2;
}

.page-contact .hourscale__ticks {
  stroke: var(--line);
  stroke-width: 1.2;
  fill: none;
}

.page-contact .hourscale__cap {
  stroke: var(--cyan);
  stroke-width: 1.6;
}

.page-contact .hourscale__label {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-contact .hourscale__zone {
  opacity: 0.55;
}

.page-contact .contact-hero__aside-note {
  max-width: 460px;
  margin: 14px 0 0 auto;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  text-align: right;
}

/* --- 咨询渠道 --- */
.page-contact .channel-list {
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.page-contact .channel-card {
  position: relative;
  padding: 26px 0 26px 26px;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  bottom: 28px;
  width: var(--contact-rail);
  border-radius: 2px;
  background: var(--cyan);
}

.page-contact .channel-card--phone::before {
  background: var(--gold);
}

.page-contact .channel-card--addr::before {
  background: var(--coral);
}

.page-contact .channel-card__tag {
  display: block;
  margin: 0 0 10px;
  color: var(--muted);
}

.page-contact .channel-card__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 21px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--cyan);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-card--phone .channel-card__value {
  color: var(--gold);
}

.page-contact .channel-card--addr .channel-card__value {
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 500;
}

.page-contact .channel-card__desc {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .channel-card__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 18px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--accent);
}

.page-contact .channel-card--phone .channel-card__list li::before {
  background: var(--gold);
}

.page-contact .channel-card--addr .channel-card__list li::before {
  background: var(--coral);
}

.page-contact .contact-channels__visual {
  margin: 0;
}

.page-contact .contact-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-soft);
}

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

.page-contact .contact-media .media__caption {
  padding: 12px 18px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.7;
  border-top: 1px solid var(--line);
}

/* --- 在线时段与回复节奏 --- */
.page-contact .contact-hours {
  background: linear-gradient(180deg, rgba(18, 28, 46, 0.72) 0%, rgba(10, 17, 32, 0) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hours__para {
  margin: 22px 0 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.page-contact .contact-hours__para:first-of-type {
  margin-top: 28px;
}

.page-contact .contact-hours__para a,
.page-contact .hours-note__text a,
.page-contact .topic-card__link a,
.page-contact .breadcrumb__list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 200, 0.4);
  padding-bottom: 1px;
}

.page-contact .contact-hours__para a:hover,
.page-contact .hours-note__text a:hover,
.page-contact .topic-card__link a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .hours-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 30px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-soft);
}

.page-contact .hours-note__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 179, 80, 0.14);
}

.page-contact .hours-note__text {
  margin: 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .contact-media--square {
  max-width: 420px;
}

/* --- 高频主题 --- */
.page-contact .section__head--wide .section__sub {
  max-width: 720px;
}

.page-contact .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 36px;
}

.page-contact .topic-card {
  position: relative;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .topic-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(47, 224, 200, 0));
}

.page-contact .topic-card:nth-child(2)::after {
  background: linear-gradient(90deg, var(--gold), rgba(242, 179, 80, 0));
}

.page-contact .topic-card:nth-child(3)::after {
  background: linear-gradient(90deg, var(--indigo), rgba(91, 141, 239, 0));
}

.page-contact .topic-card:nth-child(4)::after {
  background: linear-gradient(90deg, var(--coral), rgba(224, 119, 107, 0));
}

.page-contact .topic-card__code {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .topic-card__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}

.page-contact .topic-card__text {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.page-contact .topic-card__link {
  margin: 16px 0 0;
  font-size: 13px;
}

/* --- 写信前的准备 --- */
.page-contact .contact-prepare {
  border-top: 1px solid var(--line);
}

.page-contact .prepare-shell {
  max-width: 760px;
}

.page-contact .prepare-list {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .prepare-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .prepare-item__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .prepare-item__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
}

.page-contact .prepare-item__text {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.page-contact .prepare-foot {
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.page-contact .prepare-foot .mono {
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* --- 纠错与合作 --- */
.page-contact .contact-collab {
  border-top: 1px solid var(--line);
}

.page-contact .collab-shell {
  max-width: 900px;
}

.page-contact .collab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.page-contact .collab-card {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-soft);
}

.page-contact .collab-card__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
}

.page-contact .collab-card__text {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.page-contact .collab-card__meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-contact .collab-cta {
  margin-top: 32px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(47, 224, 200, 0.08), rgba(139, 123, 232, 0.08));
}

.page-contact .collab-cta__text {
  margin: 0;
  max-width: 660px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .collab-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* --- 面包屑 --- */
.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

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

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .collab-card:last-child {
    grid-column: span 2;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 620px) minmax(0, 1fr);
    gap: clamp(48px, 7vw, 96px);
  }

  .page-contact .contact-split--reverse {
    grid-template-columns: minmax(0, 680px) minmax(0, 1fr);
  }

  .page-contact .contact-channels__visual {
    position: sticky;
    top: 120px;
  }

  .page-contact .contact-hours__visual {
    padding-top: 64px;
  }
}

@media (min-width: 1100px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (max-width: 480px) {
  .page-contact .prepare-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-contact .contact-hero__aside-note {
    text-align: left;
    margin-inline-start: 0;
  }

  .page-contact .hourscale {
    margin-inline-start: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .topic-card,
  .page-contact .collab-card {
    transition: none;
  }
}
</main>