.page-contact {
  position: relative;
  overflow-x: hidden;
  color: var(--paper);
  background:
    radial-gradient(120% 55% at 88% 2%, rgba(53, 240, 192, 0.10) 0%, rgba(53, 240, 192, 0) 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--moss-900) 50%, var(--ink-800) 100%);
}

.page-contact .crumbs {
  margin-top: 22px;
}

/* ---------- 通用章节头 ---------- */

.page-contact .sec {
  position: relative;
  padding: 54px 0;
}

.page-contact .sec-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .sec-kicker::before {
  content: "";
  flex: none;
  width: 22px;
  height: 3px;
  background: var(--cyan);
}

.page-contact h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 8vw, 54px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 18ch;
}

.page-contact h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 5.6vw, 36px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 22ch;
}

.page-contact h3 {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .prose {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

/* ---------- 首屏：三通道联络卡 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: 30px 0 6px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(141, 247, 222, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141, 247, 222, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
}

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

.page-contact .contact-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--cyan-soft);
}

.page-contact .chan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .chan {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 26px;
  background: var(--moss-900);
  border: var(--border-w) solid var(--moss-line);
  box-shadow: var(--shadow-hard);
  transition: box-shadow 0.14s var(--ease), transform 0.14s var(--ease);
}

.page-contact .chan:hover,
.page-contact .chan:focus-within {
  box-shadow: var(--shadow-press);
  transform: translate(4px, 4px);
}

.page-contact .chan--mail {
  background: linear-gradient(180deg, var(--moss-700) 0%, var(--moss-900) 100%);
  border-top: 8px solid var(--amber);
  box-shadow: var(--shadow-hard);
}

.page-contact .chan--tel {
  border-left: 8px solid var(--moss-line);
}

.page-contact .chan--addr {
  border-left: 8px solid var(--slate);
}

.page-contact .chan__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .chan .tag {
  align-self: flex-start;
}

.page-contact .chan__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.4vw, 19px);
  line-height: 1.45;
  word-break: break-word;
  color: var(--paper);
}

.page-contact .chan__value--tel {
  font-size: clamp(26px, 8vw, 34px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--amber);
}

.page-contact .chan__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cyan-soft);
}

/* ---------- 反馈类型 ---------- */

.page-contact .sec--types {
  background: linear-gradient(180deg, rgba(16, 59, 51, 0.55) 0%, rgba(7, 14, 28, 0) 70%);
}

.page-contact .types-top {
  align-items: start;
}

.page-contact .filter-bar {
  margin-top: 24px;
}

.page-contact .types-list {
  margin-top: 34px;
}

.page-contact .ftype {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 22px 26px;
  background: var(--moss-900);
  border: var(--border-w) solid var(--moss-line);
  box-shadow: var(--shadow-hard);
  transition: box-shadow 0.14s var(--ease), transform 0.14s var(--ease);
}

.page-contact .ftype:hover,
.page-contact .ftype:focus-within {
  box-shadow: var(--shadow-press);
  transform: translate(4px, 4px);
}

.page-contact .ftype__ico {
  display: block;
  color: var(--cyan);
}

.page-contact .ftype__title {
  margin: 4px 0 0;
  font-size: 20px;
  color: var(--paper);
}

.page-contact .ftype__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--cyan-soft);
}

.page-contact .ftype__need {
  display: grid;
  gap: 7px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ftype__need li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .ftype__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 2px;
  background: var(--amber);
}

/* ---------- 图片容器 ---------- */

.page-contact .resp-fig {
  margin: 30px 0 0;
}

.page-contact .resp-fig .media {
  border: var(--border-w) solid var(--moss-line);
  box-shadow: var(--shadow-hard);
}

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

.page-contact .resp-fig figcaption {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cyan-soft);
}

/* ---------- 响应时效与竖向步骤条 ---------- */

.page-contact .sec--sla {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--moss-900) 100%);
}

.page-contact .timeline {
  position: relative;
  margin: 30px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-contact .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--moss-line) 100%);
}

.page-contact .timeline__item {
  position: relative;
  padding-bottom: 26px;
}

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

.page-contact .timeline__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 4px;
  width: 13px;
  height: 13px;
  background: var(--ink-900);
  border: 3px solid var(--cyan);
}

.page-contact .timeline__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .timeline__item h3 {
  margin: 4px 0 0;
  font-size: 19px;
  color: var(--paper);
}

.page-contact .timeline__item p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cyan-soft);
}

/* ---------- 青训与内容合作 ---------- */

.page-contact .sec--youth {
  background: linear-gradient(180deg, rgba(16, 59, 51, 0.5) 0%, rgba(7, 14, 28, 0.1) 100%);
}

.page-contact .side-card {
  padding: 24px 22px 26px;
  background: var(--moss-700);
  border: var(--border-w) solid var(--moss-line);
  border-left: 8px solid var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-contact .side-card__title {
  margin: 0;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .side-card__list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .side-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
}

.page-contact .side-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 10px;
  height: 2px;
  background: var(--cyan-soft);
}

.page-contact .side-card__foot {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 不予受理范围 ---------- */

.page-contact .sec--nogo {
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
}

.page-contact .nogo {
  position: relative;
  padding: 40px 22px 32px;
  background: var(--ink-800);
  border: var(--border-w) solid var(--slate);
  box-shadow: var(--shadow-hard);
}

.page-contact .nogo::before {
  content: "";
  position: absolute;
  left: -3px;
  right: -3px;
  top: -3px;
  height: 12px;
  background: linear-gradient(90deg, var(--slate) 0%, var(--moss-line) 100%);
  transform: skewY(-1.4deg);
  transform-origin: left top;
}

.page-contact .nogo h2 {
  color: #C8D6E0;
}

.page-contact .nogo .sec-kicker {
  color: var(--slate);
}

.page-contact .nogo .sec-kicker::before {
  background: var(--slate);
}

.page-contact .nogo__list {
  display: grid;
  gap: 20px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .nogo__item {
  padding-left: 16px;
  border-left: 3px solid var(--slate);
}

.page-contact .nogo__item h3 {
  margin: 0;
  font-size: 17px;
  color: #DCE7EE;
}

.page-contact .nogo__item p {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: #A9BCCB;
}

/* ---------- 信息使用提示与出口 ---------- */

.page-contact .sec--privacy {
  padding-bottom: 72px;
}

.page-contact .exit {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 26px 22px;
  border-left: 6px solid var(--amber);
  background: rgba(16, 27, 51, 0.7);
}

.page-contact .exit__title {
  margin: 0;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .exit__text {
  margin: 0 0 4px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cyan-soft);
}

.page-contact .exit .btn {
  align-self: flex-start;
}

/* ---------- 中等屏幕 ---------- */

@media (min-width: 680px) {
  .page-contact .chan-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .chan--mail {
    grid-column: 1 / -1;
  }

  .page-contact .nogo {
    padding: 46px 32px 36px;
  }

  .page-contact .nogo__list {
    grid-template-columns: 1fr 1fr;
    gap: 26px 32px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: 52px 0 10px;
  }

  .page-contact .sec {
    padding: 84px 0;
  }

  .page-contact .chan-grid {
    grid-template-columns: 5fr 3fr 4fr;
    align-items: start;
    margin-top: 44px;
  }

  .page-contact .chan--mail {
    grid-column: auto;
  }

  .page-contact .chan--mail .chan__value {
    font-size: 21px;
  }

  .page-contact .chan {
    min-height: 100%;
  }

  .page-contact .types-top .span-5 {
    padding-right: 12px;
  }

  .page-contact .types-list {
    margin-top: 42px;
  }

  .page-contact .timeline {
    margin-top: 44px;
  }

  .page-contact .resp-fig {
    margin-top: 40px;
  }

  .page-contact .sec--privacy {
    padding-bottom: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan,
  .page-contact .ftype {
    transition: none;
  }

  .page-contact .chan:hover,
  .page-contact .chan:focus-within,
  .page-contact .ftype:hover,
  .page-contact .ftype:focus-within {
    transform: none;
    box-shadow: var(--shadow-hard);
  }
}