.page-contact {
  display: block;
}

/* ---------- 通用排版 ---------- */
.page-contact p:not([class]) {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
  max-width: 62ch;
}

.page-contact h2 {
  margin: 0 0 12px;
  font-family: var(--narrow);
  font-size: clamp(24px, 6vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 22ch;
}

.page-contact h3 {
  margin: 0 0 10px;
  font-family: var(--narrow);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
}

.page-contact .contact-head {
  margin-bottom: 28px;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-crumb a {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .contact-crumb span {
  color: var(--muted);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 30px 0 42px;
  border-bottom: 2px solid var(--rail-line-2);
  background-image: radial-gradient(120% 92% at 88% 4%, rgba(41, 242, 220, .12), transparent 60%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(43, 58, 107, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 58, 107, .55) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: .3;
  pointer-events: none;
}

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

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-family: var(--narrow);
  font-size: clamp(30px, 8vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 16ch;
}

.page-contact .contact-hero__channels {
  display: grid;
  gap: 14px;
  align-content: start;
  margin-top: 26px;
}

.page-contact .contact-channel {
  position: relative;
  padding: 18px 18px 16px 22px;
  background: rgba(6, 10, 22, .62);
  border-left: 4px solid var(--blue);
}

.page-contact .contact-channel--mail {
  border-left-color: var(--cyan);
}

.page-contact .contact-channel--phone {
  border-left-color: var(--blue-soft);
}

.page-contact .contact-channel__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-channel__value {
  margin: 0 0 10px;
  font-size: clamp(16px, 4.4vw, 20px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .02em;
  word-break: break-word;
  color: var(--text);
}

.page-contact .contact-channel--mail .contact-channel__value {
  color: var(--cyan);
}

.page-contact .contact-channel--phone .contact-channel__value {
  color: var(--blue-soft);
}

.page-contact .contact-hours {
  margin: 6px 0 0;
  padding: 10px 0 10px 14px;
  border-left: 3px solid var(--orange);
  font-size: 13px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--orange-soft);
}

/* ---------- 提交前准备 ---------- */
.page-contact .contact-prep {
  padding: 44px 0 50px;
  border-bottom: 2px solid var(--rail-line);
}

.page-contact .prep-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prep-item {
  margin: 0;
}

.page-contact .prep-item__box {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 60px 15px 16px;
  border: 2px solid var(--rail-line);
  background: rgba(13, 21, 48, .78);
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-contact .prep-item__box:hover {
  border-color: var(--rail-line-2);
  transform: translateY(-2px);
}

.page-contact .prep-item__box:focus-within {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .prep-item__box:has(.prep-item__input:checked) {
  border-color: var(--cyan);
  box-shadow: 4px 4px 0 rgba(41, 242, 220, .2);
}

.page-contact .prep-item__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .prep-item__num {
  flex: 0 0 auto;
  min-width: 34px;
  padding: 2px 6px;
  font-size: 12px;
  letter-spacing: .08em;
  text-align: center;
  color: var(--cyan);
  border: 1px solid currentColor;
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-contact .prep-item__input:checked ~ .prep-item__num {
  background: var(--cyan);
  color: var(--ink);
}

.page-contact .prep-item__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .prep-item__box:has(.prep-item__input:checked)::after {
  content: "已备";
  position: absolute;
  right: 14px;
  top: 17px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-contact .prep-item__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

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

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

/* ---------- 常见求助 ---------- */
.page-contact .contact-scenes {
  padding: 46px 0 52px;
}

.page-contact .scene-list {
  display: grid;
  gap: 18px;
}

.page-contact .scene {
  padding: 20px 20px 18px;
  background: rgba(13, 21, 48, .7);
}

.page-contact .scene__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--blue-soft);
}

.page-contact .scene p:not([class]) {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 14px;
  color: var(--text);
}

.page-contact .scene__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 242, 220, .4);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-contact .scene__link:hover,
.page-contact .scene__link:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .scene__link::after {
  content: "→";
  font-family: var(--mono);
  font-size: 12px;
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  padding: 46px 0 54px;
  border-top: 2px solid var(--rail-line-2);
  border-bottom: 2px solid var(--rail-line-2);
}

.page-contact .flow {
  display: grid;
  gap: 0;
  margin-top: 30px;
  padding-left: 24px;
  border-left: 2px solid var(--rail-line-2);
}

.page-contact .flow-step {
  position: relative;
  padding: 0 0 30px;
}

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

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 7px;
  width: 12px;
  height: 12px;
  background: var(--blue);
  border: 2px solid var(--ink);
  box-shadow: 0 0 0 2px var(--rail-line-2);
}

.page-contact .flow-step--now::before {
  background: var(--orange);
}

.page-contact .flow-step__num {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .flow-step p:not([class]) {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 0;
}

.page-contact .flow-step__more {
  margin-top: 12px;
  padding: 12px 14px;
  max-height: 400px;
  overflow: hidden;
  border-left: 3px solid var(--rail-line-2);
  background: rgba(6, 10, 22, .55);
  opacity: 1;
  transition: max-height var(--t-slow) var(--ease), opacity var(--t-mid) var(--ease), margin-top var(--t-mid) var(--ease);
}

.page-contact .flow-step__more p:not([class]) {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-flow__figure {
  margin: 34px 0 0;
}

/* ---------- 勘误与建议 ---------- */
.page-contact .contact-corrections {
  padding: 46px 0 48px;
  background: linear-gradient(180deg, rgba(13, 21, 48, .9), rgba(6, 10, 22, .9));
  border-bottom: 2px solid var(--rail-line);
}

.page-contact .contact-corrections__body {
  counter-reset: corr;
}

.page-contact .contact-corrections__list {
  list-style: none;
  margin: 6px 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-corrections__list li {
  position: relative;
  padding: 11px 14px 11px 46px;
  border: 1px solid var(--rail-line);
  background: rgba(6, 10, 22, .55);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .contact-corrections__list li::before {
  counter-increment: corr;
  content: counter(corr, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--orange-soft);
}

/* ---------- 通信地址与备案 ---------- */
.page-contact .contact-office {
  padding: 42px 0 44px;
}

.page-contact .contact-office__title {
  font-size: clamp(20px, 5vw, 28px);
  max-width: none;
}

.page-contact .office-block {
  margin-top: 22px;
  padding-top: 22px;
  max-width: 540px;
  border-top: 4px solid var(--rail-line-2);
}

.page-contact .office-block__label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .office-block__value {
  margin: 0 0 22px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  word-break: break-word;
}

.page-contact .office-block .note {
  margin-top: 4px;
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-next {
  padding: 0 0 56px;
}

.page-contact .contact-next__title {
  font-size: clamp(20px, 5vw, 28px);
  margin-bottom: 20px;
  max-width: none;
}

.page-contact .next-links {
  display: grid;
  gap: 12px;
  padding-top: 22px;
  border-top: 2px solid var(--rail-line);
}

.page-contact .next-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 2px solid var(--rail-line);
  background: rgba(13, 21, 48, .55);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-contact .next-links a::after {
  content: "→";
  flex: 0 0 auto;
  font-family: var(--mono);
  color: var(--blue-soft);
  transition: color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-contact .next-links a:hover,
.page-contact .next-links a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateX(4px);
}

.page-contact .next-links a:hover::after,
.page-contact .next-links a:focus-visible::after {
  color: var(--cyan);
  transform: translateX(4px);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: 38px 0 48px;
  }

  .page-contact .contact-hero__channels {
    margin-top: 0;
  }

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

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 46px 0 58px;
  }

  .page-contact .contact-hero__intro {
    padding-right: 32px;
  }

  .page-contact .contact-channel {
    padding: 20px 20px 18px 24px;
  }

  .page-contact .contact-prep {
    padding: 56px 0 62px;
  }

  .page-contact .contact-prep__figure {
    margin-top: 6px;
  }

  .page-contact .contact-scenes {
    padding: 58px 0 92px;
  }

  .page-contact .scene-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 26px;
  }

  .page-contact .scene:nth-child(even) {
    margin-top: 38px;
  }

  .page-contact .contact-flow {
    padding: 58px 0 66px;
  }

  .page-contact .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    margin-top: 34px;
    padding: 34px 0 0;
    border-left: 0;
    border-top: 2px solid var(--rail-line-2);
  }

  .page-contact .flow-step {
    padding: 0;
  }

  .page-contact .flow-step::before {
    left: 0;
    top: -41px;
  }

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

  .page-contact .contact-corrections {
    padding: 58px 0 60px;
  }

  .page-contact .contact-office {
    padding: 52px 0 54px;
  }
}

/* 有悬停能力的桌面端：流程细节默认收起，悬停或聚焦时展开 */
@media (min-width: 900px) and (hover: hover) {
  .page-contact .flow-step__more {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
  }

  .page-contact .flow-step:hover .flow-step__more,
  .page-contact .flow-step:focus-visible .flow-step__more,
  .page-contact .flow-step:focus-within .flow-step__more {
    max-height: 400px;
    margin-top: 12px;
    padding-top: 12px;
    padding-bottom: 12px;
    opacity: 1;
  }

  .page-contact .flow-step:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 6px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1180px) {
  .page-contact .contact-hero {
    padding: 56px 0 68px;
  }

  .page-contact .contact-hero__title {
    max-width: 14ch;
  }

  .page-contact .contact-hero__channels {
    gap: 18px;
  }
}