/* ============================================================
   联系我们 · 页面专属样式（作用域 .page-contact）
   ============================================================ */

.page-contact {
  --ct-accent-deep: #B4471A;
  --ct-ink-soft: #3E4757;
  --ct-card-bg: #0E1730;
  position: relative;
  background: var(--xb-midnight);
  color: var(--xb-silver);
  font-family: var(--xb-body);
  line-height: 1.85;
}

/* ---------- 通用章节标题 ---------- */
.page-contact .ct-head {
  display: grid;
  gap: 10px;
  margin-bottom: 34px;
}

.page-contact .ct-head__num {
  margin: 0;
  font-family: var(--xb-mono);
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--xb-orange);
}

.page-contact .ct-head h2 {
  margin: 0;
  font-family: var(--xb-display);
  font-size: clamp(27px, 5.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: #FFFFFF;
}

.page-contact .ct-head p {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--xb-slate);
}

/* ============================================================
   一、首屏
   ============================================================ */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 52px;
  background:
    radial-gradient(120% 90% at 88% -6%, rgba(41, 242, 214, .14), transparent 62%),
    radial-gradient(90% 70% at 2% 104%, rgba(255, 106, 43, .12), transparent 66%),
    var(--xb-midnight);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(195, 203, 217, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(195, 203, 217, .055) 1px, transparent 1px);
  background-size: 8px 8px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
}

.page-contact .ct-hero .xb-shell {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero .xb-crumbs {
  margin-bottom: 28px;
  font-size: 12px;
  letter-spacing: .06em;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 32px;
}

.page-contact .xb-eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  font-family: var(--xb-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--xb-cyan);
}

.page-contact .ct-hero h1 {
  margin: 0 0 20px;
  font-family: var(--xb-display);
  font-size: clamp(38px, 9vw, 82px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: #FFFFFF;
}

.page-contact .ct-hero__lead {
  margin: 0 0 28px;
  max-width: 34ch;
  font-size: 17px;
  line-height: 1.9;
  color: var(--xb-silver);
}

.page-contact .ct-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--xb-line);
}

.page-contact .ct-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--xb-slate);
}

.page-contact .ct-hero__facts .xb-mono {
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--xb-cyan);
}

.page-contact .ct-hero__figure {
  margin: 0;
  padding: 8px;
  background: linear-gradient(152deg, rgba(41, 242, 214, .40), rgba(255, 106, 43, .20) 56%, rgba(195, 203, 217, .06) 82%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

/* ============================================================
   二、三条联络通道
   ============================================================ */
.page-contact .ct-channels {
  padding: 54px 0 64px;
  background: var(--xb-panel);
  border-top: 1px solid var(--xb-line);
  border-bottom: 1px solid var(--xb-line);
}

.page-contact .ct-cards {
  display: grid;
  gap: 18px;
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 24px;
  background:
    linear-gradient(162deg, rgba(41, 242, 214, .07), transparent 58%),
    var(--ct-card-bg);
  border: 1px solid var(--xb-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--xb-cut)), calc(100% - var(--xb-cut)) 100%, 0 100%);
  transition: transform .15s var(--xb-ease), box-shadow .15s var(--xb-ease);
}

.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 20px 42px -26px rgba(41, 242, 214, .75);
}

.page-contact .ct-card:target {
  box-shadow: inset 0 0 0 2px var(--xb-cyan);
}

.page-contact .ct-card__tag {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--xb-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--xb-slate);
}

.page-contact .ct-card__tag::before {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--xb-orange);
}

.page-contact .ct-card__title {
  margin: 0;
  font-family: var(--xb-display);
  font-size: 22px;
  line-height: 1.25;
  color: #FFFFFF;
}

.page-contact .ct-card__value {
  margin: 0;
  font-family: var(--xb-mono);
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--xb-cyan);
  overflow-wrap: anywhere;
}

.page-contact .ct-card--address .ct-card__value {
  font-family: var(--xb-body);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--xb-silver);
}

.page-contact .ct-card__note {
  margin: 0 0 4px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--xb-slate);
}

.page-contact .ct-copy {
  align-self: flex-start;
  margin-top: auto;
  padding: 9px 16px;
  font-family: var(--xb-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--xb-paper);
  background: transparent;
  border: 1px solid rgba(41, 242, 214, .45);
  border-radius: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  cursor: pointer;
  transition: background .15s var(--xb-ease), color .15s var(--xb-ease), border-color .15s var(--xb-ease);
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  background: var(--xb-cyan);
  color: var(--xb-midnight);
  border-color: var(--xb-cyan);
}

.page-contact .ct-copy:focus-visible {
  outline: 2px solid var(--xb-cyan);
  outline-offset: 3px;
}

.page-contact .ct-copy[data-copied] {
  border-color: var(--xb-green);
  color: var(--xb-green);
  background: transparent;
}

/* ---------- 服务时段刻度 ---------- */
.page-contact .ct-clock {
  margin-top: 40px;
  padding: 24px 22px 26px;
  background: rgba(11, 18, 38, .72);
  border: 1px solid var(--xb-line);
  clip-path: polygon(0 0, calc(100% - var(--xb-cut)) 0, 100% var(--xb-cut), 100% 100%, 0 100%);
}

.page-contact .ct-clock__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  margin-bottom: 22px;
}

.page-contact .ct-clock__label {
  margin: 0;
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--xb-slate);
}

.page-contact .ct-clock__value {
  margin: 0;
  font-family: var(--xb-mono);
  font-size: clamp(22px, 4.4vw, 30px);
  letter-spacing: .04em;
  color: #FFFFFF;
}

.page-contact .ct-clock__track {
  position: relative;
  height: 10px;
  background: rgba(195, 203, 217, .14);
}

.page-contact .ct-clock__span {
  position: absolute;
  left: 20%;
  top: 0;
  bottom: 0;
  display: block;
  width: 60%;
  background: linear-gradient(90deg, var(--xb-cyan), var(--xb-orange));
  cursor: help;
}

.page-contact .ct-clock__span:focus-visible {
  outline: 2px solid var(--xb-cyan);
  outline-offset: 3px;
}

.page-contact .ct-clock__hint {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 14px);
  transform: translate(-50%, 6px);
  width: max-content;
  max-width: min(320px, 74vw);
  padding: 10px 14px;
  background: var(--xb-paper);
  color: var(--xb-ink);
  font-size: 13px;
  line-height: 1.65;
  opacity: 0;
  pointer-events: none;
  z-index: 4;
  transition: opacity .15s var(--xb-ease), transform .15s var(--xb-ease);
}

.page-contact .ct-clock__span:hover .ct-clock__hint,
.page-contact .ct-clock__span:focus-visible .ct-clock__hint {
  opacity: 1;
  transform: translate(-50%, 0);
}

.page-contact .ct-clock__ticks {
  display: flex;
  justify-content: space-between;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--xb-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--xb-slate);
}

/* ============================================================
   三、暖纸插页：问题分类与留言建议
   ============================================================ */
.page-contact .ct-paths {
  padding: 78px 0 84px;
  background: var(--xb-paper);
  color: var(--xb-ink);
  clip-path: polygon(0 36px, 100% 0, 100% 100%, 0 100%);
}

.page-contact .ct-paths .ct-head__num {
  color: var(--ct-accent-deep);
}

.page-contact .ct-paths .ct-head h2 {
  color: var(--xb-ink);
}

.page-contact .ct-paths .ct-head p {
  color: #4C5666;
}

.page-contact .ct-routes {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(27, 31, 42, .16);
}

.page-contact .ct-route {
  display: grid;
  gap: 14px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(27, 31, 42, .16);
}

.page-contact .ct-route__num {
  font-family: var(--xb-mono);
  font-size: 28px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--ct-accent-deep);
}

.page-contact .ct-route__title {
  margin: 0 0 10px;
  font-family: var(--xb-display);
  font-size: clamp(19px, 2.8vw, 24px);
  line-height: 1.3;
  color: var(--xb-ink);
}

.page-contact .ct-route__text {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--ct-ink-soft);
}

.page-contact .ct-route__to {
  margin: 0;
  font-size: 14px;
  color: var(--xb-slate);
}

.page-contact .ct-route__to a {
  color: #0E5F52;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(14, 95, 82, .35);
  transition: text-decoration-color .15s var(--xb-ease);
}

.page-contact .ct-route__to a:hover,
.page-contact .ct-route__to a:focus-visible {
  text-decoration-color: currentColor;
}

.page-contact .ct-route__to a:focus-visible {
  outline: 2px solid var(--ct-accent-deep);
  outline-offset: 3px;
}

/* ---------- 留言建议 ---------- */
.page-contact .ct-tips {
  display: grid;
  gap: 26px;
  margin-top: 58px;
}

.page-contact .ct-tips__lead h2 {
  margin: 0 0 12px;
  font-family: var(--xb-display);
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--xb-ink);
}

.page-contact .ct-tips__lead p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: #4C5666;
}

.page-contact .ct-tips__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ct-tip;
  display: grid;
  gap: 12px;
}

.page-contact .ct-tips__list li {
  position: relative;
  counter-increment: ct-tip;
  padding: 15px 18px 15px 54px;
  background: rgba(255, 255, 255, .74);
  border-left: 3px solid var(--xb-orange);
  font-size: 15.5px;
  line-height: 1.85;
  color: #333C4A;
}

.page-contact .ct-tips__list li::before {
  content: counter(ct-tip, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 15px;
  font-family: var(--xb-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ct-accent-deep);
}

/* ============================================================
   四、备案与地区
   ============================================================ */
.page-contact .ct-record {
  padding: 62px 0 72px;
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(41, 242, 214, .10), transparent 62%),
    var(--xb-midnight);
}

.page-contact .ct-record__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-record__list {
  margin: 0 0 24px;
  padding: 0;
  border-top: 1px solid var(--xb-line);
}

.page-contact .ct-record__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--xb-line);
}

.page-contact .ct-record__row dt {
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--xb-slate);
}

.page-contact .ct-record__row dd {
  margin: 0;
  font-size: 16px;
  color: var(--xb-silver);
}

.page-contact .ct-record__row dd.xb-mono {
  font-size: 16px;
  letter-spacing: .03em;
  color: var(--xb-cyan);
}

.page-contact .ct-record__note {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--xb-slate);
}

.page-contact .ct-record__figure {
  margin: 0;
  padding: 6px;
  background: linear-gradient(150deg, rgba(195, 203, 217, .22), rgba(41, 242, 214, .10) 60%, transparent 92%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 30px 100%, 0 calc(100% - 30px));
}

.page-contact .ct-record__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

/* ============================================================
   响应式
   ============================================================ */
@media (min-width: 780px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-contact .ct-route {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
    padding: 30px 0;
  }

  .page-contact .ct-route__num {
    font-size: 32px;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-hero {
    padding: 34px 0 68px;
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
    gap: clamp(36px, 5vw, 78px);
  }

  .page-contact .ct-hero__figure {
    order: 2;
  }

  .page-contact .ct-tips {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .ct-record__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: clamp(34px, 5vw, 70px);
  }

  .page-contact .ct-paths {
    clip-path: polygon(0 48px, 100% 0, 100% 100%, 0 100%);
    padding: 96px 0 96px;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-clockshift {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-copy,
  .page-contact .ct-clock__hint,
  .page-contact .ct-route__to a {
    transition-duration: .01ms;
  }

  .page-contact .ct-card:hover,
  .page-contact .ct-card:focus-within {
    transform: none;
  }
}