/* ================= 联系与支持 · 页面专属样式 ================= */

.page-contact {
  --pc-shadow: 0 1px 2px rgba(18, 16, 15, .05), 0 14px 34px -22px rgba(18, 16, 15, .4);
  background: var(--ms-paper);
  color: var(--ms-ink);
  padding-bottom: var(--ms-s3);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: var(--ms-s1) 0 var(--ms-s2);
  background:
    radial-gradient(circle at 88% 2%, rgba(200, 16, 46, .09), transparent 44%),
    linear-gradient(180deg, #ffffff 0%, var(--ms-paper) 84%);
  border-bottom: 1px solid var(--ms-line);
  overflow: hidden;
}

.page-contact .contact-hero__head {
  display: grid;
  gap: 14px;
  margin: var(--ms-s1) 0 var(--ms-s2);
  max-width: 48em;
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-size: clamp(30px, 6.4vw, 50px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
}

.page-contact .contact-hero__lead {
  margin: 0;
  color: var(--ms-gray);
  font-size: 17px;
  line-height: 1.8;
}

.page-contact .contact-hero__quick {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--ms-r-lg);
  overflow: hidden;
  border: 1px solid var(--ms-line);
  background: var(--ms-black);
  aspect-ratio: 16 / 9;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 渠道总览 ---------- */
.page-contact .contact-channels__grid,
.page-contact .contact-seg,
.page-contact .contact-hours,
.page-contact .contact-checklist,
.page-contact .contact-loc {
  margin-top: var(--ms-s2);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: var(--ms-s2);
}

.page-contact .contact-channels__list {
  display: grid;
  gap: 16px;
}

.page-contact .contact-ch {
  position: relative;
  padding: 22px 24px 24px 28px;
  background: var(--ms-white);
  border: 1px solid var(--ms-line);
  border-radius: var(--ms-r);
  box-shadow: var(--pc-shadow);
}

.page-contact .contact-ch::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--ms-red);
}

.page-contact .contact-ch--addr::before {
  background: var(--ms-blue);
}

.page-contact .contact-ch__top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-contact .contact-ch__num {
  font-family: var(--ms-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ms-red);
}

.page-contact .contact-ch__kind {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ms-gray);
  padding: 3px 11px;
  border: 1px solid var(--ms-line-strong);
  border-radius: var(--ms-pill);
}

.page-contact .contact-ch__val {
  margin: 0 0 12px;
  font-family: var(--ms-mono);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: -.01em;
  word-break: break-all;
}

.page-contact .contact-ch--addr .contact-ch__val {
  font-family: var(--ms-font);
  font-size: 18px;
  font-weight: 800;
  word-break: normal;
}

.page-contact .contact-ch__val a {
  color: var(--ms-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--ms-rose);
  transition: border-color .2s ease, color .2s ease;
}

.page-contact .contact-ch__val a:hover,
.page-contact .contact-ch__val a:focus-visible {
  color: var(--ms-red);
  border-bottom-color: var(--ms-red);
}

.page-contact .contact-ch__desc {
  margin: 0;
  color: var(--ms-gray);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-contact .contact-channels__media {
  margin: 0;
  border-radius: var(--ms-r-lg);
  overflow: hidden;
  border: 1px solid var(--ms-line);
  background: var(--ms-white);
}

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

.page-contact .contact-channels__media figcaption {
  padding: 14px 20px 16px;
  border-top: 1px solid var(--ms-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ms-gray);
}

/* ---------- 按问题选渠道（分段面板内容） ---------- */
.page-contact .contact-route {
  display: grid;
  gap: 22px;
  padding: 26px 0 6px;
}

.page-contact .contact-route__pick {
  padding: 22px 24px;
  border-radius: var(--ms-r);
  background: var(--ms-blue-soft);
  border: 1px solid rgba(27, 95, 190, .2);
}

.page-contact .contact-route__ch {
  margin: 12px 0 0;
  font-family: var(--ms-mono);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  word-break: break-all;
  color: var(--ms-ink);
}

.page-contact .contact-route__hint {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ms-gray);
}

.page-contact .contact-route__need h3 {
  margin: 0 0 14px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .contact-route__need ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .contact-route__need li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ms-ink);
}

.page-contact .contact-route__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ms-red);
}

.page-contact .contact-route__need a {
  color: var(--ms-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 95, 190, .4);
}

.page-contact .contact-route__need a:hover,
.page-contact .contact-route__need a:focus-visible {
  border-bottom-color: var(--ms-blue);
}

/* ---------- 响应时段 ---------- */
.page-contact .contact-hours {
  padding: 30px 24px 26px;
  border-radius: var(--ms-r-lg);
  background: var(--ms-black);
  color: var(--ms-paper);
  overflow: hidden;
}

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

.page-contact .contact-hours__notes {
  list-style: none;
  margin: 22px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--ms-line-dark);
  display: grid;
  gap: 12px;
}

.page-contact .contact-hours__notes li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(245, 241, 234, .82);
}

.page-contact .contact-hours__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ms-gold);
}

/* ---------- 来信要点 ---------- */
.page-contact .contact-checklist {
  list-style: none;
  margin: var(--ms-s2) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ms-line);
  border: 1px solid var(--ms-line);
  border-radius: var(--ms-r);
  overflow: hidden;
}

.page-contact .contact-checklist li {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 24px;
  background: var(--ms-white);
}

.page-contact .contact-checklist__n {
  font-family: var(--ms-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ms-red);
}

.page-contact .contact-checklist h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .contact-checklist p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ms-gray);
}

/* ---------- 合作与共建 ---------- */
.page-contact .contact-partner .ms-wrap {
  padding-block: var(--ms-s3);
}

.page-contact .contact-partner__head {
  max-width: 52em;
}

.page-contact .contact-partner__head h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.page-contact .contact-partner__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 241, 234, .78);
}

.page-contact .contact-partner__grid {
  margin-top: var(--ms-s2);
  display: grid;
  gap: 16px;
}

.page-contact .contact-pcard {
  padding: 22px 22px 24px;
  border-radius: var(--ms-r);
  background: rgba(245, 241, 234, .05);
  border: 1px solid var(--ms-line-dark);
  border-top: 2px solid var(--ms-gold);
}

.page-contact .contact-pcard h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--ms-paper);
}

.page-contact .contact-pcard p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 241, 234, .76);
}

.page-contact .contact-partner__foot {
  margin: var(--ms-s2) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--ms-line-dark);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 241, 234, .82);
}

.page-contact .contact-partner__foot a {
  font-family: var(--ms-mono);
  font-weight: 700;
  color: var(--ms-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 162, 39, .5);
  word-break: break-all;
}

.page-contact .contact-partner__foot a:hover,
.page-contact .contact-partner__foot a:focus-visible {
  border-bottom-color: var(--ms-gold);
}

/* ---------- 通信地址 ---------- */
.page-contact .contact-loc {
  position: relative;
  isolation: isolate;
  padding: 34px 26px;
  border-radius: var(--ms-r-lg);
  border: 1px solid var(--ms-line);
  background: var(--ms-white);
  overflow: hidden;
}

.page-contact .contact-loc::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(27, 95, 190, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 95, 190, .09) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(118deg, #000 0%, rgba(0, 0, 0, .18) 62%, transparent 88%);
  mask-image: linear-gradient(118deg, #000 0%, rgba(0, 0, 0, .18) 62%, transparent 88%);
}

.page-contact .contact-loc__value {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -.01em;
}

.page-contact .contact-loc__note {
  margin: 14px 0 0;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ms-gray);
}

.page-contact .contact-loc__legal {
  margin: 20px 0 0;
  font-family: var(--ms-mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--ms-gray);
}

.page-contact .contact-loc__tail {
  margin: var(--ms-s1) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ms-gray);
}

.page-contact .contact-loc__tail a {
  color: var(--ms-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 95, 190, .4);
}

.page-contact .contact-loc__tail a:hover,
.page-contact .contact-loc__tail a:focus-visible {
  border-bottom-color: var(--ms-blue);
}

/* ---------- 焦点可见 ---------- */
.page-contact a:focus-visible,
.page-contact label:focus-visible {
  outline: 2px solid var(--ms-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero__media {
    aspect-ratio: 16 / 6;
  }

  .page-contact .contact-hours {
    padding: 38px 40px 34px;
  }

  .page-contact .contact-loc {
    padding: 44px 44px;
  }

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

@media (min-width: 860px) {
  .page-contact .contact-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-route {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr);
    gap: var(--ms-s2);
    align-items: start;
  }

  .page-contact .contact-hours__notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .page-contact .contact-ch {
    padding: 20px 20px 22px 24px;
  }

  .page-contact .contact-ch__val {
    font-size: 16px;
  }

  .page-contact .contact-ch--addr .contact-ch__val {
    font-size: 17px;
  }

  .page-contact .contact-hours {
    padding: 24px 18px 22px;
  }

  .page-contact .contact-loc {
    padding: 26px 20px;
  }
}