/* ============ 联系我们 · 坐标索引式布局 ============ */

.page-contact {
  --page-pad: 1.25rem;
  --page-pad-lg: 2rem;
  position: relative;
  overflow-x: hidden;
  padding-bottom: 2rem;
}

/* 背景坐标网格 */
.page-contact::before {
  content: "";
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(30, 58, 90, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 90, .16) 1px, transparent 1px);
  background-size: 44px 44px;
}

.page-contact > * {
  position: relative;
  z-index: 1;
}

/* 面包屑 */
.page-contact .crumbs {
  padding: 1rem var(--page-pad) 0;
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--color-fog);
}

.page-contact .crumbs a {
  color: var(--color-fog);
  text-decoration: none;
  transition: color .2s ease;
}

.page-contact .crumbs a:hover {
  color: var(--color-lime);
}

.page-contact .crumbs .sep {
  margin: 0 .4rem;
  color: var(--color-line);
}

/* 首屏 */
.page-contact__hero {
  position: relative;
  padding: 2.5rem var(--page-pad) 3rem;
  border-bottom: 2px solid var(--color-line);
  background: var(--grad-ink);
  overflow: hidden;
}

.page-contact__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(115deg, transparent 0%, transparent 72%, rgba(232, 241, 77, .08) 72%, rgba(232, 241, 77, .08) 74%, transparent 74%);
  pointer-events: none;
}

.page-contact__hero::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: var(--grad-orange);
  border-radius: 50%;
  opacity: .14;
  filter: blur(6px);
  pointer-events: none;
}

.page-contact .contact-hero {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.page-contact .contact-hero__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.page-contact .contact-hero__num {
  font-family: var(--font-data);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-orange);
  opacity: .5;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1.12;
  letter-spacing: -.02em;
  margin: 0 0 1.25rem;
}

.page-contact .contact-hero__lead {
  font-size: .95rem;
  line-height: 1.75;
  color: var(--color-fog);
  max-width: 34em;
  margin: 0 0 1.75rem;
}

.page-contact .contact-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

/* 分区 */
.page-contact .section {
  padding: var(--space-3) var(--page-pad);
  border-bottom: 1px solid var(--color-line);
}

.page-contact .section-head {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

.page-contact .section-head > div {
  flex: 1;
}

.page-contact .section-head .chapter-num {
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-orange);
  line-height: 1.2;
  min-width: 2.2em;
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0 0 .25rem;
}

.page-contact .section-head__desc {
  font-family: var(--font-body);
  font-size: .8rem;
  color: var(--color-fog);
  margin: 0;
}

/* 联系方式卡片 */
.page-contact .contact-methods__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .contact-method {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.25rem 1rem;
  background: var(--color-ink-2);
  border: 2px solid var(--color-line);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-contact .contact-method:hover {
  transform: translateY(-5px);
  border-color: var(--color-orange);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .5);
}

.page-contact .contact-method::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--grad-orange);
}

.page-contact .contact-method--tel::before {
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-lime) 100%);
}

.page-contact .contact-method--loc::before {
  background: linear-gradient(90deg, var(--color-lime) 0%, #6f97ad 100%);
}

.page-contact .contact-method__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .75rem;
}

.page-contact .contact-method__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--color-orange);
  color: var(--color-ink);
  font-family: var(--font-data);
  font-weight: 700;
  border-radius: 6px;
}

.page-contact .contact-method h3 {
  font-size: 1rem;
  margin: 0 0 .5rem;
}

.page-contact .contact-method__value {
  margin: 0 0 .75rem;
  padding: .6rem .7rem;
  font-family: var(--font-data);
  font-size: .9rem;
  line-height: 1.5;
  background: rgba(10, 17, 40, .55);
  border-left: 3px solid var(--color-lime);
  border-radius: 0 6px 6px 0;
  word-break: break-all;
}

.page-contact .contact-method__desc {
  margin: 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--color-fog);
}

.page-contact .contact-method__pin {
  margin-top: .75rem;
  text-align: right;
  font-family: var(--font-data);
  font-size: .65rem;
  color: var(--color-fog);
  letter-spacing: .12em;
}

/* 渠道用途说明 */
.page-contact .contact-usage__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-contact .contact-usage__legend {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.page-contact .contact-usage__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .75rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--color-ink-2);
  border: 1px solid var(--color-line);
  border-radius: 8px;
}

.page-contact .contact-usage__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-top: .4rem;
}

.page-contact .contact-usage__dot--orange {
  background: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 44, .2);
}

.page-contact .contact-usage__dot--yellow {
  background: var(--color-lime);
  box-shadow: 0 0 0 3px rgba(232, 241, 77, .2);
}

.page-contact .contact-usage__dot--ink {
  background: var(--color-paper);
  box-shadow: 0 0 0 3px rgba(247, 249, 252, .15);
}

.page-contact .contact-usage__item-body h3 {
  font-size: .9rem;
  margin: 0 0 .3rem;
}

.page-contact .contact-usage__item-body p {
  font-size: .8rem;
  line-height: 1.7;
  color: var(--color-fog);
  margin: 0;
}

.page-contact .contact-usage__link {
  display: block;
  margin-top: .5rem;
  font-family: var(--font-data);
  font-size: .8rem;
  color: var(--color-orange);
  text-decoration: none;
}

.page-contact .contact-usage__link:hover {
  color: var(--color-lime);
}

.page-contact .contact-usage__note {
  align-self: start;
  background: var(--color-ink-2);
  border-left: 4px solid var(--color-orange);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
}

.page-contact .contact-usage__note .coord {
  display: block;
  margin-bottom: .5rem;
}

.page-contact .contact-usage__note p {
  font-size: .85rem;
  line-height: 1.75;
  color: var(--color-paper);
  margin: 0;
}

/* 地图坐标 */
.page-contact .contact-location__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .contact-location__map {
  position: relative;
  border: 2px solid var(--color-line);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-contact .contact-location__map img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-location__grid {
  position: absolute;
  pointer-events: none;
}

.page-contact .contact-location__grid--x {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-lime);
  opacity: .4;
}

.page-contact .contact-location__grid--y {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: var(--color-orange);
  opacity: .4;
}

.page-contact .contact-location__coord {
  position: absolute;
  right: .75rem;
  bottom: .75rem;
  background: var(--color-ink);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: .3rem .55rem;
  font-size: .7rem;
  letter-spacing: .06em;
}

.page-contact .contact-location__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .5rem;
  padding: 1.25rem;
  background: var(--color-ink-2);
  border: 1px solid var(--color-line);
  border-radius: 8px;
}

.page-contact .contact-location__marker {
  color: var(--color-orange);
  font-size: 1.4rem;
  line-height: 1;
}

.page-contact .contact-location__addr {
  font-size: .95rem;
  line-height: 1.6;
  margin: 0;
}

.page-contact .contact-location__hint {
  font-size: .8rem;
  line-height: 1.6;
  color: var(--color-fog);
  margin: 0;
}

/* 响应承诺 */
.page-contact .contact-response__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: center;
}

.page-contact .contact-response__chart {
  border: 2px solid var(--color-line);
  border-radius: 12px;
  overflow: hidden;
}

.page-contact .contact-response__chart img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-response__text {
  position: relative;
  padding: 1.5rem;
  background: var(--color-ink-2);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  overflow: hidden;
}

.page-contact .contact-response__text::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 100px;
  height: 100px;
  background: var(--grad-orange);
  border-radius: 50%;
  opacity: .12;
}

.page-contact .contact-response__value {
  margin: 0 0 .25rem;
  font-family: var(--font-data);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-orange);
}

.page-contact .contact-response__value span {
  font-size: 1rem;
  color: var(--color-fog);
  margin-left: .25rem;
}

.page-contact .contact-response__text h3 {
  font-size: 1.05rem;
  margin: 0 0 .75rem;
}

.page-contact .contact-response__text > p {
  margin: 0 0 1rem;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--color-fog);
}

.page-contact .contact-response__text ul {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.page-contact .contact-response__text li {
  font-size: .82rem;
  padding-left: 1.1rem;
  position: relative;
}

.page-contact .contact-response__text li::before {
  content: "";
  position: absolute;
  top: .4em;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--color-lime);
  border-radius: 2px;
}

/* 快捷导航 */
.page-contact .contact-quicknav__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .contact-quicknav__card {
  position: relative;
  display: block;
  padding: 1.5rem 2.5rem 1.5rem 1.5rem;
  background: var(--color-ink-2);
  border: 2px solid var(--color-line);
  border-left: 5px solid var(--color-orange);
  border-radius: 10px;
  text-decoration: none;
  color: var(--color-paper);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.page-contact .contact-quicknav__card:hover {
  transform: translateY(-4px);
  border-left-color: var(--color-lime);
  box-shadow: var(--shadow);
}

.page-contact .contact-quicknav__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 6px;
  background: var(--color-orange);
  color: var(--color-ink);
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: .75rem;
}

.page-contact .contact-quicknav__card h3 {
  margin: 0 0 .4rem;
  font-size: 1.05rem;
}

.page-contact .contact-quicknav__card p {
  margin: 0;
  font-size: .82rem;
  line-height: 1.65;
  color: var(--color-fog);
}

.page-contact .contact-quicknav__arrow {
  position: absolute;
  top: 50%;
  right: 1.25rem;
  transform: translateY(-50%);
  color: var(--color-orange);
  font-size: 1.3rem;
  transition: right .2s ease;
}

.page-contact .contact-quicknav__card:hover .contact-quicknav__arrow {
  right: 1rem;
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-contact {
    --page-pad: 2rem;
  }

  .page-contact__hero {
    padding: 3.5rem var(--page-pad-lg) 4rem;
  }

  .page-contact .contact-hero h1 {
    font-size: 3rem;
    max-width: 10em;
  }

  .page-contact .contact-hero__lead {
    font-size: 1rem;
  }

  .page-contact .section {
    padding: var(--space-4) var(--page-pad-lg);
  }

  .page-contact .contact-methods__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-contact .contact-usage__body {
    grid-template-columns: 1.15fr .85fr;
    gap: 2rem;
  }

  .page-contact .contact-location__body {
    grid-template-columns: 1.4fr 1fr;
    gap: 1.5rem;
    align-items: center;
  }

  .page-contact .contact-response__body {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .page-contact .contact-quicknav__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 1080px) {
  .page-contact__hero {
    padding-left: 4rem;
    padding-right: 4rem;
  }

  .page-contact .section {
    padding-left: 4rem;
    padding-right: 4rem;
  }

  .page-contact .contact-hero h1 {
    font-size: 3.5rem;
  }
}