.page-contact {
  --c-gold-line: rgba(240, 160, 60, .38);
  --c-card-bg: rgba(18, 48, 74, .58);
  padding-bottom: 26px;
}

.page-contact .crumbs {
  margin: 0 0 20px;
}

.page-contact .page-head {
  margin-bottom: 6px;
}

.page-contact h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.2vw, 29px);
  font-weight: 600;
  line-height: 1.26;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-contact .sec-sub {
  margin: 0 0 20px;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact img {
  max-width: 100%;
}

/* ---------- 反馈通道说明 ---------- */
.contact-intro {
  display: grid;
  gap: 30px;
}

.intro-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.intro-copy p strong {
  color: var(--white);
  font-weight: 600;
}

.mail-plate {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  max-width: 100%;
  margin: 6px 0 16px;
  padding: 13px 20px;
  border-radius: 999px;
  border: 1px solid var(--c-gold-line);
  background: linear-gradient(115deg, rgba(240, 160, 60, .2), rgba(255, 215, 154, .04) 72%);
  font-family: var(--font-num);
  font-size: 14.5px;
  letter-spacing: .01em;
  color: var(--white);
  word-break: break-all;
}

.mail-plate::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(240, 160, 60, .16);
}

.intro-figure {
  margin: 0;
}

.intro-figure .media-frame {
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.intro-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.intro-figure .media-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.72;
  letter-spacing: .01em;
  color: var(--mist);
}

/* ---------- 清单 + 联系方式 ---------- */
.feedback-grid {
  display: grid;
  gap: 32px;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.check-item {
  position: relative;
}

.check-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.check-label {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 15px 17px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--c-card-bg);
  cursor: pointer;
  transition: border-color .22s ease, background-color .22s ease;
}

.check-label:hover {
  border-color: var(--line-strong);
  background: rgba(18, 48, 74, .88);
}

.check-input:focus-visible + .check-label {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.check-box {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: transparent;
  transition: background-color .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.check-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg) scale(.4);
  opacity: 0;
  transition: opacity .18s ease, transform .18s ease;
}

.check-input:checked + .check-label .check-box {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(240, 160, 60, .14);
}

.check-input:checked + .check-label .check-box::after {
  opacity: 1;
  transform: rotate(42deg) scale(1);
}

.check-input:checked + .check-label {
  border-color: var(--c-gold-line);
}

.check-text strong {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--white);
}

.check-text span {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--mist);
}

.list-col .note {
  margin-top: 20px;
}

/* ---------- 联系方式卡片 ---------- */
.contact-card {
  padding: 27px 24px 30px;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-gold-line);
  background:
    radial-gradient(118% 96% at 100% 0, rgba(240, 160, 60, .13), transparent 58%),
    linear-gradient(165deg, rgba(18, 48, 74, .96), rgba(10, 26, 42, .99));
  box-shadow: 0 20px 44px -30px rgba(0, 0, 0, .92);
}

.page-contact .contact-card .contact-card-title {
  margin: 0 0 8px;
  font-size: 19px;
  letter-spacing: -.01em;
}

.contact-card-lede {
  margin: 0 0 22px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.contact-row + .contact-row {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.contact-key {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 9px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}

.contact-key::before {
  content: "";
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold-deep);
}

.contact-val {
  margin: 0;
  font-family: var(--font-num);
  font-size: 15.5px;
  line-height: 1.56;
  color: var(--white);
  word-break: break-word;
}

.contact-use {
  margin: 9px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 处理流程 ---------- */
.flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.flow-step {
  position: relative;
  padding: 20px 20px 21px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--c-card-bg);
  transition: border-color .22s ease, background-color .22s ease;
}

.flow-step:hover,
.flow-step:focus-within {
  border-color: var(--c-gold-line);
  background: rgba(18, 48, 74, .92);
}

.flow-node {
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--plate);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
  transition: background-color .22s ease, border-color .22s ease, color .22s ease;
}

.flow-step:hover .flow-node {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.flow-title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--white);
}

.flow-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.flow-media {
  margin: 30px 0 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.flow-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: .93;
}

/* ---------- 备案信息 ---------- */
.filing {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 34px;
  padding: 22px 24px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(44, 59, 73, .34);
}

.filing-num {
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold-deep);
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: .07em;
  color: var(--mist);
}

.filing-note {
  margin: 0;
  max-width: 48ch;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--mist);
}

.page-contact .section--tight .note {
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact {
    padding-bottom: 40px;
  }

  .filing-note {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .contact-intro {
    grid-template-columns: minmax(0, 1.03fr) minmax(0, .97fr);
    gap: 50px;
    align-items: center;
  }

  .intro-copy p:last-child {
    margin-bottom: 0;
  }
}

@media (min-width: 960px) {
  .feedback-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 880px) {
  .flow {
    position: relative;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    padding-top: 26px;
  }

  .flow::before {
    content: "";
    position: absolute;
    left: 4%;
    right: 4%;
    top: 12px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, rgba(240, 160, 60, .55), rgba(47, 182, 168, .42) 50%, rgba(240, 160, 60, .55));
  }

  .flow-step::before {
    content: "";
    position: absolute;
    top: -20px;
    left: 24px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--ink);
    border: 2px solid var(--gold-deep);
    transition: background-color .22s ease, border-color .22s ease, box-shadow .22s ease;
  }

  .flow-step:hover::before {
    background: var(--gold);
    border-color: var(--gold);
    box-shadow: 0 0 0 5px rgba(240, 160, 60, .16);
  }
}