.page-contact {
  --c-rail-glow: radial-gradient(circle at 0% 0%, rgba(44, 232, 224, 0.14), transparent 60%);
  --c-title-glow: 0 0 30px rgba(44, 232, 224, 0.16);
  position: relative;
  padding-bottom: clamp(72px, 10vw, 128px);
  color: var(--fog);
  overflow-x: hidden;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 760px;
  background-image:
    linear-gradient(to right, rgba(26, 35, 48, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(26, 35, 48, 0.5) 1px, transparent 1px);
  background-size: 8px 8px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 82%);
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
  pointer-events: none;
  z-index: 0;
}

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

/* ---------- 面包屑与首屏 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(20px, 4vw, 36px);
}

.page-contact .breadcrumb__link {
  color: var(--slate);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}

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

.page-contact .contact-top {
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(28px, 5vw, 56px);
  max-width: 980px;
}

.page-contact .eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .eyebrow::before {
  content: "";
  display: block;
  width: 30px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .contact-title {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--fog);
  text-shadow: var(--c-title-glow);
}

.page-contact .contact-lead {
  margin: 0;
  max-width: 640px;
  font-size: clamp(15.5px, 2vw, 18px);
  line-height: 1.88;
  color: #bcc8d8;
}

/* ---------- 顶部横幅 ---------- */
.page-contact .contact-banner {
  margin: 0 0 clamp(44px, 7vw, 96px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 12% 0%, rgba(122, 77, 255, 0.18), transparent 58%),
    linear-gradient(120deg, rgba(44, 232, 224, 0.06), transparent 60%);
}

.page-contact .contact-banner .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.82;
}

.page-contact .contact-banner__cap {
  margin: 0;
  padding: 14px clamp(16px, 4vw, 40px);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 主体双栏 ---------- */
.page-contact .contact-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 6vw, 52px);
  align-items: start;
}

/* ---------- 左侧联系方式卡 ---------- */
.page-contact .contact-rail {
  min-width: 0;
}

.page-contact .rail-card {
  position: relative;
  padding: 28px 24px 24px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sharp);
  overflow: hidden;
  transition: border-color 0.18s var(--ease);
}

.page-contact .rail-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-rail-glow);
  pointer-events: none;
}

.page-contact .rail-card:hover {
  border-color: var(--cyan);
}

.page-contact .rail-card__index {
  position: relative;
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .rail-card__title {
  position: relative;
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-contact .rail-list {
  position: relative;
  margin: 14px 0 0;
}

.page-contact .rail-row {
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-contact .rail-row dt {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .rail-row dd {
  margin: 0;
  font-size: 15px;
  color: var(--fog);
  overflow-wrap: anywhere;
}

.page-contact .rail-row dd.mono {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-contact .rail-note {
  position: relative;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .rail-nav {
  margin-top: 24px;
  padding: 20px 24px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sharp);
  background: rgba(11, 16, 24, 0.6);
}

.page-contact .rail-nav__title {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-contact .rail-nav__link {
  position: relative;
  display: block;
  padding: 9px 0 9px 20px;
  font-size: 14px;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}

.page-contact .rail-nav__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background: var(--line);
  transition: width 0.16s var(--ease), background 0.16s var(--ease);
}

.page-contact .rail-nav__link:hover,
.page-contact .rail-nav__link:focus-visible {
  color: var(--fog);
}

.page-contact .rail-nav__link:hover::before,
.page-contact .rail-nav__link:focus-visible::before {
  width: 15px;
  background: var(--cyan);
}

/* ---------- 右侧条文区 ---------- */
.page-contact .contact-col {
  min-width: 0;
}

.page-contact .contact-sec {
  padding: clamp(28px, 4vw, 42px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-contact .contact-sec:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .contact-sec__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin: 0 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sharp);
  font-size: 12.5px;
  color: var(--cyan);
}

.page-contact .contact-sec__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-contact .contact-p {
  margin: 0 0 16px;
  max-width: 640px;
  font-size: 15.5px;
  line-height: 1.9;
  color: #b3c0d0;
}

.page-contact .contact-p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 232, 224, 0.35);
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

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

/* ---------- 渠道条文 ---------- */
.page-contact .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .channel:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-contact .channel__name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--fog);
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 自查清单 ---------- */
.page-contact .prep-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .prep-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-item__box {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 1px solid var(--slate);
  border-radius: 0;
  cursor: pointer;
  position: relative;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-contact .prep-item__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 4px;
  height: 9px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg) scale(0.6);
  opacity: 0;
  transition: opacity 0.14s var(--ease), transform 0.14s var(--ease);
}

.page-contact .prep-item__box:hover {
  border-color: var(--cyan);
}

.page-contact .prep-item__box:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .prep-item__box:checked::after {
  opacity: 1;
  transform: rotate(42deg) scale(1);
}

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

.page-contact .prep-item__label {
  cursor: pointer;
  display: block;
}

.page-contact .prep-item__title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--fog);
  transition: color 0.16s var(--ease);
}

.page-contact .prep-item__desc {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .prep-item__box:checked + .prep-item__label .prep-item__title {
  color: var(--mist);
}

/* ---------- 时段图 ---------- */
.page-contact .hours-figure {
  margin: 22px 0 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-sharp);
  background: linear-gradient(110deg, rgba(44, 232, 224, 0.07), rgba(122, 77, 255, 0.08) 70%, transparent);
  overflow: hidden;
}

.page-contact .hours-figure .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 15 / 8;
  object-fit: cover;
  opacity: 0.85;
}

.page-contact .hours-figure__cap {
  margin: 0;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--slate);
}

/* ---------- 合作提交块 ---------- */
.page-contact .submit-block {
  margin: 22px 0;
  padding: 22px 22px 20px;
  border-left: 2px solid var(--violet);
  background: linear-gradient(90deg, rgba(122, 77, 255, 0.12), transparent 72%);
}

.page-contact .submit-block__label {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-contact .submit-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .submit-list li {
  position: relative;
  padding: 7px 0 7px 18px;
  font-size: 14.8px;
  line-height: 1.8;
  color: #b3c0d0;
}

.page-contact .submit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 地址卡 ---------- */
.page-contact .addr-card {
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-sharp);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .addr-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .addr-card__label {
  position: relative;
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .addr-card__value {
  position: relative;
  margin: 0 0 12px;
  max-width: 560px;
  font-size: clamp(16px, 2.4vw, 20px);
  font-weight: 700;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .addr-card__note {
  position: relative;
  margin: 0 0 16px;
  max-width: 560px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .addr-card__icp {
  position: relative;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 文档入口 ---------- */
.page-contact .doc-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 22px 0;
}

.page-contact .doc-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sharp);
  background: rgba(11, 16, 24, 0.72);
  color: var(--fog);
  text-decoration: none;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-contact .doc-link__index {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--cyan);
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-contact .doc-link__text {
  font-size: 14.8px;
  line-height: 1.6;
}

.page-contact .doc-link:hover,
.page-contact .doc-link:focus-visible {
  border-color: var(--cyan);
  background: rgba(44, 232, 224, 0.06);
  transform: translateY(-2px);
}

.page-contact .doc-link:hover .doc-link__index {
  border-color: var(--cyan);
  color: var(--mist);
}

/* ---------- 键盘焦点 ---------- */
.page-contact a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-contact .channel {
    grid-template-columns: minmax(0, 168px) minmax(0, 1fr);
    gap: 4px 24px;
    align-items: baseline;
  }

  .page-contact .doc-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .doc-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 20px 18px 22px;
  }
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 1000px) {
  .page-contact .contact-title {
    transform: rotate(-1deg);
    transform-origin: left top;
  }

  .page-contact .contact-body {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
    gap: clamp(44px, 6vw, 88px);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-contact .contact-col {
    padding-right: 8px;
  }

  .page-contact .contact-p {
    max-width: 660px;
  }
}