.page-contact {
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--haze);
}

.page-contact .crumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  text-decoration: underline;
}

.page-contact .crumbs__sep {
  color: var(--line);
}

.page-contact .crumbs__now {
  color: var(--haze);
}

/* ---------- 首屏 ---------- */
.page-contact .hero {
  padding-top: 28px;
  padding-bottom: 8px;
}

.page-contact .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.page-contact .hero__lead {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -.02em;
  margin: 0;
  color: var(--white);
}

.page-contact .hero__lead .lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .82);
}

.page-contact .hero__lead .eyebrow {
  color: var(--cyan);
}

.page-contact .hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: var(--line);
  gap: 1px;
}

.page-contact .hero__facts li {
  background: var(--ink-2);
  padding: 14px 16px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .hero__facts-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -.01em;
  min-width: 3ch;
}

.page-contact .hero__facts-label {
  font-size: 14px;
  color: var(--haze);
}

/* ---------- 章节通用 ---------- */
.page-contact .sec__head {
  margin-bottom: 20px;
  max-width: 74ch;
}

.page-contact .sec__head .eyebrow {
  color: var(--cyan);
}

.page-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 4.2vw, 32px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 8px 0 10px;
  color: var(--white);
}

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

/* ---------- 柜组与客服线 ---------- */
.page-contact .lines {
  padding-top: 56px;
}

.page-contact .lines__figure {
  margin: 0 0 22px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

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

.page-contact .lines__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-contact .line-card {
  background: var(--ink-2);
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background var(--dur) var(--ease);
}

.page-contact .line-card:hover {
  background: var(--ink-3);
}

.page-contact .line-card:target {
  background: var(--ink-3);
  box-shadow: inset 2px 0 0 0 var(--cyan);
}

.page-contact .line-card__code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--amber);
  margin: 0;
}

.page-contact .line-card__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  color: var(--white);
}

.page-contact .line-card__meta {
  margin: 0;
  font-size: 13px;
  color: var(--haze);
  font-family: var(--font-mono);
}

/* ---------- 工作台双栏 ---------- */
.page-contact .workbench {
  padding-top: 56px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-contact .linedex {
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
}

.page-contact .linedex .eyebrow {
  color: var(--haze);
}

.page-contact .linedex__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .linedex__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

.page-contact .linedex__code {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: .06em;
}

.page-contact .linedex__name {
  color: var(--white);
}

.page-contact .linedex__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .workbench__main {
  display: flex;
  flex-direction: column;
  gap: 52px;
  min-width: 0;
}

/* ---------- 三条渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .channel:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .channel__tag {
  margin: 0;
  align-self: flex-start;
  font-size: 12px;
  letter-spacing: .1em;
  padding: 3px 8px;
  color: var(--rust-soft);
  background: rgba(217, 85, 47, .14);
  border: 1px solid rgba(217, 85, 47, .38);
}

.page-contact .channel .card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--amber);
  overflow-wrap: anywhere;
  line-height: 1.6;
}

.page-contact .channel__value--mono {
  font-size: 13.5px;
  color: var(--amber-soft);
  letter-spacing: .02em;
}

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

/* ---------- 工单模板 ---------- */
.page-contact .ticket-block {
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: var(--ink-2);
  padding: 18px 18px 2px;
  margin-bottom: 24px;
}

.page-contact .ticket-block__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .ticket-block__pre {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--amber-soft);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .field-list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-contact .field {
  background: var(--ink-2);
  padding: 16px;
}

.page-contact .field dt {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
}

.page-contact .field dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

/* ---------- 值班节奏 ---------- */
.page-contact .hours__figure {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .rhythm {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  border-left: 1px solid var(--line);
}

.page-contact .rhythm__item {
  position: relative;
  padding: 0 0 22px 6px;
}

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

.page-contact .rhythm__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .rhythm__time {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: .02em;
}

.page-contact .rhythm__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--haze);
}

/* ---------- 诉求四类 ---------- */
.page-contact .req-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .req {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-2) 0%, rgba(11, 27, 43, .55) 100%);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
}

.page-contact .req__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--rust-soft);
}

.page-contact .req__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .req__body {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--haze);
}

.page-contact .req__need {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--amber);
}

/* ---------- 主体与备案 ---------- */
.page-contact .office {
  padding-top: 56px;
}

.page-contact .office__panel {
  border: 1px solid var(--line);
  padding: 28px 22px 30px;
}

.page-contact .office__panel .eyebrow {
  color: var(--rust);
}

.page-contact .office__panel h2 {
  color: var(--paper-ink);
  font-family: var(--font-display);
  font-size: clamp(20px, 3.6vw, 28px);
  font-weight: 800;
  margin: 8px 0 20px;
  line-height: 1.3;
}

.page-contact .office__list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .office__row {
  border-top: 1px solid rgba(42, 33, 27, .16);
  padding-top: 10px;
}

.page-contact .office__row dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--rust);
  margin-bottom: 5px;
}

.page-contact .office__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-ink);
  overflow-wrap: anywhere;
}

/* ---------- 延伸入口 ---------- */
.page-contact .next {
  padding-top: 52px;
  padding-bottom: 12px;
}

.page-contact .next__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--white);
}

.page-contact .next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-contact .next__list a {
  display: block;
  min-height: 44px;
  background: var(--ink-2);
  padding: 15px 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .next__list a:hover,
.page-contact .next__list a:focus-visible {
  background: var(--ink-3);
  color: var(--cyan);
}

/* ---------- 焦点环 ---------- */
.page-contact a:focus-visible,
.page-contact .line-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: end;
    gap: 36px;
    padding-left: 24px;
  }

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

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

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

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

  .page-contact .office__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-contact .workbench {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .linedex {
    position: sticky;
    top: 88px;
  }

  .page-contact .hero {
    padding-top: 44px;
  }

  .page-contact .lines {
    padding-top: 68px;
  }

  .page-contact .workbench {
    padding-top: 68px;
  }

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

  .page-contact .office__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .line-card,
  .page-contact .next__list a {
    transition: none;
  }

  .page-contact .channel:hover {
    transform: none;
  }
}