.page-contact {
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .breadcrumbs {
  padding-top: 18px;
}

.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 5vw, 60px) 0 clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 96% at 8% 0%, rgba(27, 42, 107, 0.9), transparent 62%),
    radial-gradient(78% 72% at 92% 6%, rgba(53, 240, 208, 0.14), transparent 66%),
    radial-gradient(60% 60% at 60% 110%, rgba(255, 122, 26, 0.1), transparent 70%);
}

.page-contact .contact-hero__inner {
  max-width: 940px;
}

.page-contact .contact-hero__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(28px, 5.4vw, var(--step-4));
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  max-width: 36em;
  margin: 0 0 24px;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  padding-top: clamp(30px, 5vw, 58px);
}

.page-contact .contact-layout__main,
.page-contact .contact-layout__side {
  min-width: 0;
}

.page-contact .contact-block {
  margin-bottom: clamp(32px, 5vw, 56px);
}

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

.page-contact .contact-block--wide {
  padding-top: clamp(34px, 6vw, 70px);
  margin-bottom: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line);
}

/* 渠道卡：纸张叠层 */
.page-contact .channel-list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel {
  position: relative;
  padding: 18px 20px 20px;
  background: linear-gradient(178deg, rgba(243, 239, 226, 0.98), rgba(217, 210, 190, 0.93));
  color: var(--ink);
  border: 1px solid var(--paper-2);
  border-left: 4px solid var(--cyan);
  box-shadow: 5px 5px 0 rgba(217, 210, 190, 0.22), 10px 10px 0 rgba(21, 28, 61, 0.62);
}

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

.page-contact .channel--address {
  border-left-color: var(--sign);
}

.page-contact .channel__label {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--night);
  background: var(--cyan);
}

.page-contact .channel--phone .channel__label {
  background: var(--orange);
}

.page-contact .channel--address .channel__label {
  color: var(--paper);
  background: var(--sign);
}

.page-contact .channel__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 20px);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(16, 22, 56, 0.78);
}

/* 合作与版权 */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .partner-card {
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: linear-gradient(180deg, rgba(21, 28, 61, 0.86), rgba(11, 16, 48, 0.7));
}

.page-contact .partner-card--alt {
  border-top-color: var(--orange);
}

.page-contact .partner-card__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .partner-card--alt .partner-card__label {
  color: var(--orange);
}

.page-contact .partner-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .partner-list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.66;
  color: var(--mist);
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.64em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  opacity: 0.85;
}

.page-contact .partner-card--alt .partner-list li::before {
  background: var(--orange);
}

.page-contact .contact-note {
  margin: 20px 0 0;
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--line-strong);
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-2);
}

/* 侧栏 */
.page-contact .side-card {
  margin-bottom: 22px;
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  background:
    radial-gradient(110% 90% at 100% 0%, rgba(53, 240, 208, 0.12), transparent 60%),
    linear-gradient(160deg, rgba(27, 42, 107, 0.92), rgba(11, 16, 48, 0.96));
}

.page-contact .side-card__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .side-card__title,
.page-contact .prep__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .side-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .reply-facts {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .reply-facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  justify-content: space-between;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.page-contact .reply-facts strong {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--warm);
  white-space: nowrap;
}

.page-contact .reply-facts span {
  color: var(--mist);
}

/* 准备清单 */
.page-contact .prep {
  padding: 22px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(14, 107, 98, 0.24), rgba(11, 16, 48, 0.72));
}

.page-contact .prep__list {
  display: grid;
  gap: 13px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep__item {
  position: relative;
}

.page-contact .prep__box {
  position: absolute;
  top: 2px;
  left: 0;
  width: 18px;
  height: 18px;
  margin: 0;
  opacity: 0;
}

.page-contact .prep__label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.62;
  color: var(--paper-2);
  cursor: pointer;
}

.page-contact .prep__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 1px solid var(--line-strong);
  background: rgba(53, 240, 208, 0.08);
}

.page-contact .prep__box:checked + .prep__label .prep__mark {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .prep__box:checked + .prep__label .prep__mark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 4px;
  height: 8px;
  border-right: 2px solid var(--night);
  border-bottom: 2px solid var(--night);
  transform: rotate(42deg);
}

.page-contact .prep__box:focus-visible + .prep__label .prep__mark {
  outline: 2px solid var(--warm);
  outline-offset: 2px;
}

.page-contact .prep__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 反馈类型标签页 */
.page-contact .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-contact .tabs__tab {
  appearance: none;
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.page-contact .tabs__tab:hover {
  color: var(--paper);
  border-color: var(--line-strong);
}

.page-contact .tabs__tab[aria-selected="true"] {
  color: var(--night);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .tabs__tab[aria-selected="true"]:hover {
  color: var(--night);
}

.page-contact .tabs__panel {
  display: block;
  outline: none;
}

.page-contact .tabs__panel[hidden] {
  display: none;
}

.page-contact .fb-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .fb-panel__block {
  padding-top: 12px;
  border-top: 2px solid var(--line-strong);
}

.page-contact .fb-panel__block:last-child {
  border-top-color: rgba(255, 122, 26, 0.55);
}

.page-contact .fb-panel__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .fb-panel__block:last-child .fb-panel__key {
  color: var(--orange);
}

.page-contact .fb-panel__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* 流程图 / 收尾宽幅 */
.page-contact .contact-flow {
  margin: 0;
}

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

.page-contact .contact-tail {
  margin-top: clamp(24px, 4vw, 44px);
  padding-top: clamp(34px, 6vw, 72px);
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(11, 16, 48, 0) 0%, rgba(27, 42, 107, 0.62) 38%, rgba(14, 107, 98, 0.4) 100%);
}

.page-contact .contact-tail__inner {
  max-width: 840px;
  padding-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .contact-tail__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.6vw, var(--step-3));
  line-height: 1.34;
  color: var(--paper);
}

.page-contact .contact-tail__text {
  max-width: 32em;
  margin: 0 0 20px;
  font-size: var(--step-0);
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .contact-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 26px;
}

.page-contact .contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-links a {
  padding-bottom: 2px;
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--paper-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, 0.4);
}

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

.page-contact .contact-tail__figure {
  margin: 0 0 clamp(24px, 4vw, 48px);
}

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

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

@media (min-width: 960px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-contact .channel {
    padding: 22px 26px 24px;
  }

  .page-contact .side-card,
  .page-contact .prep {
    padding: 26px;
  }
}

@media (max-width: 560px) {
  .page-contact .reply-facts li {
    justify-content: flex-start;
  }

  .page-contact .reply-facts span {
    flex: 1 1 100%;
  }

  .page-contact .contact-hero__meta .tag {
    font-size: 12px;
  }

  .page-contact .tabs__tab {
    flex: 1 1 calc(50% - 8px);
    text-align: center;
  }
}