.page-contact {
  --lane-ticket: var(--fluoro);
  --lane-content: var(--volt);
  --lane-data: var(--clay);
  --lane-campus: var(--rock);
  --lane-line: rgba(28, 58, 46, 0.9);
  position: relative;
  isolation: isolate;
  color: var(--bone);
}

/* ---------- 通用栅格（页面作用域内自足，避免依赖全局行为） ---------- */
.page-contact .grid-12 {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
}
.page-contact .container {
  width: 100%;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--rock);
  margin-bottom: clamp(26px, 4vw, 48px);
}
.page-contact .breadcrumbs a {
  color: var(--rock);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.page-contact .breadcrumbs a:hover {
  color: var(--fluoro);
  border-bottom-color: var(--fluoro);
}
.page-contact .breadcrumbs__item[aria-current="page"] {
  color: var(--bone);
}
.page-contact .breadcrumbs__sep {
  color: var(--moss);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(30px, 5vw, 58px) 0 clamp(38px, 6vw, 78px);
  border-bottom: 1px solid var(--moss);
  position: relative;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(64px, 14vw, 190px);
  height: 3px;
  background: linear-gradient(90deg, var(--fluoro), var(--volt) 70%, transparent);
}

.page-contact .hero-grid {
  align-items: end;
}

.page-contact .hero-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
}

.page-contact .hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 86px);
  line-height: 0.97;
  letter-spacing: -0.025em;
  color: var(--bone);
  text-wrap: balance;
}

.page-contact .hero-title__mark {
  color: var(--fluoro);
  position: relative;
  padding-right: 0.06em;
}
.page-contact .hero-title__mark::after {
  content: "";
  position: absolute;
  left: 0.02em;
  right: 0.06em;
  bottom: 0.08em;
  height: 3px;
  background: var(--volt);
  opacity: 0.75;
}

.page-contact .hero-aside {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-left: clamp(0px, 2vw, 28px);
  border-left: 1px solid var(--moss);
}

.page-contact .hero-lead {
  margin: 0;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: var(--bone);
  max-width: 40em;
  opacity: 0.92;
}

.page-contact .hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--rock);
}
.page-contact .hero-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding-left: 11px;
  border-left: 2px solid var(--moss);
}
.page-contact .hero-facts .num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--fluoro);
  letter-spacing: 0;
}

/* ---------- 四条联络线路 ---------- */
.page-contact .contact-lanes {
  padding: clamp(44px, 7vw, 92px) 0 clamp(40px, 6vw, 78px);
  position: relative;
  overflow: hidden;
}

.page-contact .lanes-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.page-contact .lanes-backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.09;
  filter: saturate(0.35) contrast(1.1);
  display: block;
}
.page-contact .lanes-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, var(--ink) 0%, rgba(11, 15, 13, 0.55) 40%, rgba(11, 15, 13, 0.9) 100%),
    repeating-linear-gradient(90deg, rgba(28, 58, 46, 0.4) 0 1px, transparent 1px 68px);
}

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

.page-contact .lanes-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}
.page-contact .lanes-head .annotation {
  display: block;
  margin-top: 12px;
  padding-left: 14px;
  border-left: 1px solid var(--moss);
}

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

.page-contact .lane-card {
  --lane-color: var(--lane-ticket);
  position: relative;
  background: linear-gradient(115deg, rgba(28, 58, 46, 0.72), rgba(11, 15, 13, 0.92));
  box-shadow: inset 0 0 0 1px var(--lane-line);
  border-left: 4px solid var(--lane-color);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: background 200ms ease, box-shadow 200ms ease;
}
.page-contact .lane-card--content { --lane-color: var(--lane-content); }
.page-contact .lane-card--data { --lane-color: var(--lane-data); }
.page-contact .lane-card--campus { --lane-color: var(--lane-campus); }

.page-contact .lane-card:hover {
  background: linear-gradient(115deg, rgba(28, 58, 46, 0.95), rgba(11, 15, 13, 0.95));
  box-shadow: inset 0 0 0 1px var(--lane-color);
}

.page-contact .lane-card__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: none;
  border: 0;
  text-align: left;
  color: var(--bone);
  font-family: var(--font-display);
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
  cursor: pointer;
}
.page-contact .lane-card__head:focus-visible {
  outline: 2px solid var(--fluoro);
  outline-offset: -2px;
}

.page-contact .lane-card__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lane-color);
}

.page-contact .lane-card__name {
  min-width: 0;
}

.page-contact .lane-card__cue {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--lane-color);
  border-bottom: 2px solid var(--lane-color);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 200ms ease;
}
.page-contact .lane-card[data-open] .lane-card__cue {
  transform: rotate(225deg) translate(-1px, -1px);
}

.page-contact .lane-card__body {
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--bone);
  opacity: 0.9;
}
.page-contact .lane-card__body p {
  margin: 0 0 10px;
  max-width: 42em;
}
.page-contact .lane-card__body p:last-child {
  margin-bottom: 0;
}
.page-contact .lane-card__body a {
  color: var(--fluoro);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 245, 66, 0.45);
}
.page-contact .lane-card__body a:hover {
  border-bottom-color: var(--fluoro);
}

.page-contact .lane-card__prep {
  margin-top: 12px !important;
  padding-top: 12px;
  border-top: 1px dashed rgba(138, 143, 134, 0.3);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
  letter-spacing: 0.01em;
}

/* ---------- 联络信息卡 ---------- */
.page-contact .lanes-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-contact .contact-card {
  background: linear-gradient(158deg, var(--pitch) 0%, var(--ink) 88%);
  box-shadow: inset 0 0 0 1px var(--moss);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  padding: clamp(22px, 3.2vw, 32px);
  position: relative;
}
.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(22px, 3.2vw, 32px);
  width: 44px;
  height: 3px;
  background: var(--volt);
}

.page-contact .contact-card__label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-contact .contact-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.page-contact .contact-card__list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid rgba(28, 58, 46, 0.85);
}
.page-contact .contact-card__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-card__key {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-contact .contact-card__val {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--bone);
  word-break: break-word;
}
.page-contact .contact-card__val--mail,
.page-contact .contact-card__val--tel {
  font-size: 17px;
  color: var(--fluoro);
  letter-spacing: 0.01em;
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(138, 143, 134, 0.3);
  font-size: 13px;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 地域图 ---------- */
.page-contact .region-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 var(--cut), var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  box-shadow: inset 0 0 0 1px var(--moss);
}
.page-contact .region-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.06);
}
.page-contact .region-figure__cap {
  margin: 0;
  padding: 10px 14px;
  background: rgba(11, 15, 13, 0.9);
  color: var(--rock);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

/* ---------- 时段与节奏 ---------- */
.page-contact .contact-hours {
  padding: clamp(46px, 7vw, 92px) 0;
  background: linear-gradient(180deg, rgba(15, 42, 32, 0.92), rgba(11, 15, 13, 0.98));
  border-top: 1px solid var(--moss);
  border-bottom: 1px solid var(--moss);
  position: relative;
}
.page-contact .contact-hours::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(28, 58, 46, 0.55) 0 1px, transparent 1px 54px);
  pointer-events: none;
  opacity: 0.7;
}
.page-contact .contact-hours > .container {
  position: relative;
  z-index: 1;
}

.page-contact .hours-intro .annotation {
  display: block;
  margin-top: 14px;
  padding-left: 14px;
  border-left: 1px solid var(--moss);
  line-height: 1.8;
}

.page-contact .hours-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: hours;
}

.page-contact .hours-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px 28px;
  padding: 22px 0;
  border-top: 1px solid var(--moss);
  position: relative;
}
.page-contact .hours-row::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--volt);
}
.page-contact .hours-row:last-child {
  border-bottom: 1px solid var(--moss);
}

.page-contact .hours-row__time {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--fluoro);
  white-space: nowrap;
}

.page-contact .hours-row__body .h-sub {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bone);
}
.page-contact .hours-row__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--bone);
  opacity: 0.86;
  max-width: 44em;
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-partners {
  padding: clamp(46px, 7vw, 92px) 0 clamp(36px, 5vw, 64px);
}

.page-contact .partners-head {
  max-width: 66ch;
  margin-bottom: clamp(26px, 4vw, 42px);
}
.page-contact .partners-head .lead {
  margin: 14px 0 0;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--bone);
  opacity: 0.88;
  max-width: 46em;
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--moss);
  border: 1px solid var(--moss);
}

.page-contact .partner-cell {
  background: var(--ink);
  padding: clamp(20px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  transition: background 220ms ease;
}
.page-contact .partner-cell::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--fluoro), var(--volt));
  transition: width 260ms ease;
}
.page-contact .partner-cell:hover {
  background: linear-gradient(165deg, rgba(28, 58, 46, 0.85), var(--ink));
}
.page-contact .partner-cell:hover::after {
  width: 100%;
}

.page-contact .partner-cell__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--fluoro);
}
.page-contact .partner-cell .h-sub {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--bone);
}
.page-contact .partner-cell p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--bone);
  opacity: 0.82;
}

/* ---------- 提交前提示 ---------- */
.page-contact .contact-tips {
  padding: 0 0 clamp(48px, 7vw, 92px);
}

.page-contact .tips-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(200deg, rgba(28, 58, 46, 0.6), rgba(11, 15, 13, 0.95));
  box-shadow: inset 0 0 0 1px var(--moss);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-contact .tips-panel__head .h-section {
  margin: 10px 0 0;
}

.page-contact .tips-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.page-contact .tips-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-top: 16px;
  border-top: 1px solid rgba(138, 143, 134, 0.22);
}
.page-contact .tips-list li:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-contact .tips-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--volt);
}
.page-contact .tips-list p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--bone);
  opacity: 0.88;
}

.page-contact .tips-panel__foot {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--moss);
  line-height: 1.8;
}
.page-contact .tips-panel__foot a {
  color: var(--fluoro);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 245, 66, 0.4);
}
.page-contact .tips-panel__foot a:hover {
  border-bottom-color: var(--fluoro);
}

/* ---------- 湖北与备案 ---------- */
.page-contact .contact-region {
  background: linear-gradient(140deg, var(--pitch) 0%, var(--ink) 72%);
  border-top: 1px solid var(--moss);
  border-bottom: 1px solid var(--moss);
  padding: clamp(42px, 6vw, 80px) 0;
  position: relative;
  overflow: hidden;
}
.page-contact .contact-region::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(198, 245, 66, 0.055) 0 1px, transparent 1px 46px),
    radial-gradient(circle at 84% 22%, rgba(255, 122, 26, 0.14), transparent 56%),
    radial-gradient(circle at 8% 88%, rgba(198, 245, 66, 0.08), transparent 52%);
  pointer-events: none;
}
.page-contact .contact-region > .container {
  position: relative;
  z-index: 1;
}

.page-contact .region-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}
.page-contact .region-band__main .eyebrow {
  margin: 0 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.page-contact .region-band__main .h-section {
  margin: 0 0 16px;
}
.page-contact .region-band__main p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--bone);
  opacity: 0.86;
  max-width: 44em;
}

.page-contact .region-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  background: rgba(28, 58, 46, 0.9);
  box-shadow: inset 0 0 0 1px var(--moss);
}
.page-contact .region-meta > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 14px 18px;
  background: rgba(11, 15, 13, 0.78);
}
.page-contact .region-meta dt {
  flex: 0 0 auto;
  min-width: 74px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--rock);
}
.page-contact .region-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--bone);
  letter-spacing: 0.01em;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-contact .tips-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .region-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .hours-row {
    grid-template-columns: 172px minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .grid-12 {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 48px);
  }
  .page-contact .grid-12 > .col-4 { grid-column: span 4; }
  .page-contact .grid-12 > .col-5 { grid-column: span 5; }
  .page-contact .grid-12 > .col-7 { grid-column: span 7; }
  .page-contact .grid-12 > .col-8 { grid-column: span 8; }

  .page-contact .hero-aside {
    padding-bottom: 6px;
  }

  .page-contact .hours-flow {
    padding-top: 8px;
  }

  .page-contact .tips-panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 28px 52px;
    align-items: start;
  }

  .page-contact .region-band {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .lane-card__head {
    padding: 20px 24px;
  }
  .page-contact .lane-card__body {
    padding: 0 24px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .lane-card,
  .page-contact .partner-cell,
  .page-contact .partner-cell::after,
  .page-contact .lane-card__cue,
  .page-contact .breadcrumbs a {
    transition: none;
  }
}