/* ===== 意见反馈页 / page-contact ===== */

.page-contact ::selection {
  background: rgba(127, 233, 255, .3);
  color: #FFFFFF;
}

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 5vw, 56px) clamp(20px, 3vw, 36px);
  background-image:
    linear-gradient(rgba(127, 233, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 233, 255, .05) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: center top;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -70% 28%;
  height: 280px;
  background: radial-gradient(closest-side, rgba(255, 199, 102, .16), transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 20px;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 6.4vw, 56px);
  letter-spacing: -.02em;
  line-height: 1.12;
}

.page-contact .contact-hero .lead {
  max-width: 44ch;
  color: var(--soft);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 22px;
  align-items: end;
}

.page-contact .contact-hero__aside {
  padding: 18px 20px;
  border-left: 2px solid;
  border-image: var(--edge) 1;
  background: rgba(13, 23, 48, .55);
  backdrop-filter: blur(6px);
}

.page-contact .contact-hero__badge {
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-contact .contact-hero__asideText {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--soft);
}

/* --- 联系渠道 --- */

.page-contact .channel-grid {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-contact .channel-mail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(20px, 3vw, 34px);
  background: linear-gradient(155deg, rgba(13, 23, 48, .94), rgba(6, 11, 24, .94));
}

.page-contact .channel-mail__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .channel-mail__addr {
  margin: 0;
  width: 100%;
  font-size: clamp(20px, 5vw, 34px);
  letter-spacing: .04em;
  line-height: 1.3;
  color: var(--paper);
  word-break: break-all;
  background: linear-gradient(90deg, transparent, rgba(127, 233, 255, .12), transparent);
}

.page-contact .channel-mail__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--soft);
  max-width: 46ch;
}

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

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 20px;
  background: rgba(13, 23, 48, .72);
}

.page-contact .channel-card__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .channel-card__value.mono {
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .channel-card__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faint);
}

.page-contact [data-copy].is-copied {
  border-color: var(--green);
  color: var(--green);
}

.page-contact .channel-media,
.page-contact .write-media {
  margin: 26px 0 0;
}

/* --- 写邮件 --- */

.page-contact .write-grid {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

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

.page-contact .write-step {
  position: relative;
  padding: 18px 0 18px 52px;
  border-top: 1px solid var(--hairline);
}

.page-contact .write-step:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .write-step__num {
  position: absolute;
  left: 0;
  top: 22px;
  font-size: 15px;
  color: var(--cyan);
}

.page-contact .write-step:first-child .write-step__num {
  top: 8px;
}

.page-contact .write-step__title {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -.01em;
}

.page-contact .write-step p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--soft);
  max-width: 52ch;
}

.page-contact .check-card {
  align-self: start;
  padding: clamp(20px, 3vw, 26px);
  background: linear-gradient(150deg, rgba(13, 23, 48, .9), rgba(6, 11, 24, .9));
}

.page-contact .check-card__title {
  margin: 0 0 16px;
  font-size: 14px;
  letter-spacing: .14em;
  color: var(--gold);
}

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

.page-contact .check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--soft);
  cursor: pointer;
}

.page-contact .check-item__box {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 1px solid var(--ink-700);
  border-radius: 3px;
  background: rgba(6, 11, 24, .7);
  position: relative;
  cursor: pointer;
  transition: border-color .16s var(--ease), background .16s var(--ease);
}

.page-contact .check-item__box:checked {
  border-color: var(--green);
  background: linear-gradient(45deg, rgba(127, 233, 255, .22), rgba(53, 198, 168, .28));
}

.page-contact .check-item__box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(40deg);
}

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

.page-contact .check-card__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* --- 流程条与咨询分类 --- */

.page-contact .flow-bar {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .flow-step {
  position: relative;
  padding: 18px 20px 20px 22px;
  border-left: 2px solid;
  border-image: var(--edge) 1;
  background: rgba(13, 23, 48, .72);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease);
}

.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(127, 233, 255, .14);
}

.page-contact .flow-step__idx {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-contact .flow-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--soft);
}

.page-contact .consult-list {
  margin-top: 30px;
}

.page-contact .consult-row {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid var(--hairline);
}

.page-contact .consult-row:last-child {
  border-bottom: 1px solid var(--hairline);
}

.page-contact .consult-row__key {
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .consult-row__main h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.page-contact .consult-row__main p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--soft);
  max-width: 62ch;
}

.page-contact .consult-row__main a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 233, 255, .38);
}

.page-contact .consult-row__main a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .consult-row__meta {
  justify-self: start;
}

/* --- 地区与备案 --- */

.page-contact .region-grid {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-contact .region-card {
  padding: clamp(20px, 3vw, 32px);
  background:
    linear-gradient(150deg, rgba(13, 23, 48, .92), rgba(6, 11, 24, .92)),
    linear-gradient(rgba(127, 233, 255, .05) 1px, transparent 1px);
  background-size: auto, 24px 24px;
}

.page-contact .region-card__icp {
  margin: 0 0 16px;
  font-size: clamp(18px, 3.4vw, 24px);
  letter-spacing: .06em;
  color: var(--paper);
}

.page-contact .region-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .region-list li {
  display: flex;
  gap: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--soft);
}

.page-contact .region-list li::before {
  content: "—";
  flex: none;
  color: var(--gold);
}

.page-contact .help-links {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .help-links a {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 16px 18px;
  font-size: 16px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(13, 23, 48, .62);
  border-left: 2px solid transparent;
  transition: border-color .16s var(--ease), background .16s var(--ease);
}

.page-contact .help-links a:hover,
.page-contact .help-links a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(13, 23, 48, .92);
}

.page-contact .help-links .mono {
  font-size: 13px;
  color: var(--muted);
}

/* --- 响应式 --- */

@media (min-width: 720px) {
  .page-contact .channel-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .consult-row {
    grid-template-columns: 56px minmax(0, 1fr) 200px;
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 36px;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 24px;
  }

  .page-contact .write-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 36px;
  }

  .page-contact .region-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 24px;
  }
}

@media (min-width: 1080px) {
  .page-contact .channel-side {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .flow-step,
  .page-contact .check-item__box {
    transition: none;
  }

  .page-contact .flow-step:hover,
  .page-contact .flow-step:focus-within {
    transform: none;
  }
}