.page-contact {
  --cc-rule: rgba(217, 162, 74, .30);
  --cc-panel-line: rgba(30, 43, 77, .9);
  --cc-soft: rgba(63, 224, 208, .16);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  max-width: var(--shell);
  margin-inline: auto;
  padding: calc(var(--header-h) + 18px) var(--gutter) 4px;
}

/* ---------- 首屏框景联络卡 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(18px, 3vw, 34px) clamp(28px, 5vw, 56px);
}

.page-contact .contact-hero__frame {
  position: relative;
  padding: clamp(20px, 3.4vw, 46px);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(217, 162, 74, .16) 0%, rgba(217, 162, 74, 0) 56%),
    radial-gradient(90% 80% at 100% 100%, rgba(63, 224, 208, .13) 0%, rgba(63, 224, 208, 0) 62%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  overflow: hidden;
}

.page-contact .contact-hero__head {
  max-width: 74ch;
}

.page-contact .contact-hero__head h1 {
  margin: 12px 0 0;
  font-size: clamp(28px, 4.6vw, 52px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-hero__head .lede {
  margin: 16px 0 0;
  max-width: 62ch;
  color: var(--warm);
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.82;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(24px, 3.6vw, 42px);
}

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

/* ---------- 两条通道 ---------- */
.page-contact .contact-channels {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .contact-channel {
  position: relative;
  min-width: 0;
  padding: 20px 20px 18px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--cc-panel-line);
  background: linear-gradient(180deg, rgba(14, 23, 48, .94) 0%, rgba(11, 18, 36, .94) 100%);
  transition: border-color .24s var(--ease);
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: var(--pill);
  background: var(--grad-gold);
}

.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-within {
  border-color: var(--cc-rule);
}

.page-contact .contact-channel__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

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

.page-contact .contact-channel .copy-field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--cc-panel-line);
}

.page-contact .contact-channel .copy-field__label {
  flex: 0 0 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--warm);
}

.page-contact .contact-channel .copy-field__value {
  flex: 1 1 auto;
  min-width: 0;
  padding-bottom: 5px;
  font-size: clamp(15px, 2.1vw, 21px);
  letter-spacing: .02em;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
  background-image: linear-gradient(90deg, var(--gold-lo), var(--gold) 40%, var(--gold-hi));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 2px;
  transition: background-size .32s var(--ease);
}

.page-contact .contact-channel:hover .copy-field__value,
.page-contact .contact-channel:focus-within .copy-field__value {
  background-size: 100% 2px;
}

.page-contact .contact-channel .copy-field__btn {
  flex: 0 0 auto;
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .contact-channel .copy-field__status {
  flex: 0 0 100%;
  min-height: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ---------- 值守面板 ---------- */
.page-contact .contact-hours {
  min-width: 0;
  padding: clamp(20px, 2.8vw, 30px);
  border-radius: var(--radius-sm);
  border: 1px solid var(--cc-rule);
  background:
    linear-gradient(180deg, rgba(217, 162, 74, .10) 0%, rgba(217, 162, 74, 0) 44%),
    var(--panel);
}

.page-contact .contact-hours__title {
  margin: 0;
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .contact-hours__big {
  margin: 10px 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5.4vw, 46px);
  line-height: 1.05;
  letter-spacing: .04em;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--gold-hi);
}

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

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

.page-contact .contact-hours__notice {
  margin-top: 18px;
}

.page-contact .contact-hours__notice p {
  margin: 0;
  color: var(--warm);
  font-size: 14px;
  line-height: 1.72;
}

.page-contact .contact-hours__notice p + p {
  margin-top: 6px;
}

.page-contact .contact-hours__notice strong {
  color: var(--paper);
  font-size: 14.5px;
}

/* ---------- 通用分节节奏 ---------- */
.page-contact .contact-flow,
.page-contact .contact-biz,
.page-contact .contact-place {
  position: relative;
  padding-block: clamp(52px, 7vw, 92px);
}

.page-contact .contact-flow__side,
.page-contact .contact-biz__side {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-contact .contact-flow__intro {
  max-width: 68ch;
  margin: 20px 0 0;
  color: var(--warm);
  font-size: 16px;
  line-height: 1.82;
}

.page-contact .prose {
  max-width: 68ch;
  color: var(--warm);
  font-size: 15.5px;
  line-height: 1.82;
}

.page-contact .prose + .prose {
  margin-top: 14px;
}

/* ---------- 反馈类型切换 ---------- */
.page-contact .contact-prep {
  margin-top: clamp(26px, 4vw, 42px);
  padding: clamp(18px, 2.6vw, 28px);
  border-radius: var(--radius);
  border: 1px solid var(--cc-panel-line);
  background: linear-gradient(180deg, rgba(14, 23, 48, .94) 0%, rgba(11, 18, 36, .94) 100%);
}

.page-contact .contact-prep__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--warm);
}

.page-contact .contact-prep__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-prep .tabs__tab {
  appearance: none;
  padding: 9px 18px;
  border: 1px solid var(--cc-panel-line);
  border-radius: var(--pill);
  background: rgba(30, 43, 77, .35);
  color: var(--warm);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .contact-prep .tabs__tab:hover {
  color: var(--paper);
  border-color: rgba(63, 224, 208, .55);
}

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

.page-contact .contact-prep .tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .contact-prep__panel {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--cc-panel-line);
}

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

.page-contact .contact-prep__panel p {
  margin: 0;
  max-width: 68ch;
  color: var(--warm);
  font-size: 15.5px;
  line-height: 1.82;
}

.page-contact .contact-prep__note {
  margin: 20px 0 0;
  max-width: 70ch;
  color: rgba(184, 180, 172, .88);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .contact-prep__note a,
.page-contact .contact-place__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, .4);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .contact-prep__note a:hover,
.page-contact .contact-place__link a:hover {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

/* ---------- 四步流程 ---------- */
.page-contact .contact-steps__line {
  display: none;
}

@media (min-width: 1080px) {
  .page-contact .contact-steps__line {
    display: block;
    margin: clamp(34px, 4.6vw, 52px) 0 0;
    height: 8px;
  }

  .page-contact .contact-steps__line svg {
    display: block;
    width: 100%;
    height: 8px;
  }
}

.page-contact .contact-steps {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
}

@media (min-width: 720px) {
  .page-contact .contact-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 28px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 22px;
  }
}

.page-contact .contact-step {
  min-width: 0;
  padding: 4px 0;
}

@media (min-width: 1080px) {
  .page-contact .contact-step {
    padding: 0 22px;
    border-left: 1px solid var(--cc-panel-line);
  }

  .page-contact .contact-step:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-contact .contact-step:last-child {
    padding-right: 0;
  }
}

.page-contact .contact-step__num {
  display: block;
  font-size: 30px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--gold);
  transform-origin: left center;
  transition: transform .24s var(--ease), color .24s var(--ease);
}

.page-contact .contact-step:hover .contact-step__num,
.page-contact .contact-step:focus-within .contact-step__num {
  transform: scale(1.2);
  color: var(--gold-hi);
}

.page-contact .contact-step__title {
  margin: 14px 0 8px;
  font-size: 20px;
  letter-spacing: .01em;
  color: var(--paper);
}

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

/* ---------- 图片与通用媒体 ---------- */
.page-contact img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-contact .contact-flow__figure {
  margin: clamp(30px, 4.6vw, 50px) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-flow__figure .media-frame__img {
  width: 100%;
  object-fit: cover;
}

/* ---------- 商务合作 ---------- */
.page-contact .contact-biz__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 40px);
  margin-top: clamp(22px, 3.4vw, 34px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-contact .contact-biz__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

.page-contact .contact-biz__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-contact .contact-biz__list {
  min-width: 0;
  padding: clamp(18px, 2.6vw, 28px);
  border-radius: var(--radius-sm);
  border: 1px solid var(--cc-panel-line);
  background: var(--panel-2);
}

.page-contact .contact-biz__list h3 {
  margin: 0 0 16px;
  font-size: 18px;
  color: var(--paper);
}

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

.page-contact .contact-biz__items li {
  position: relative;
  padding-left: 20px;
  color: var(--warm);
  font-size: 15px;
  line-height: 1.76;
}

.page-contact .contact-biz__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px var(--cc-soft);
}

.page-contact .contact-biz__rhythm {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(26px, 3.6vw, 38px) 0 0;
  padding: 0;
}

.page-contact .contact-biz__rhythm li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px;
  border-radius: var(--pill);
  border: 1px solid var(--cc-rule);
  background: rgba(217, 162, 74, .07);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.4;
}

.page-contact .contact-biz__rhythm .mono {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

/* ---------- 办公场所 ---------- */
.page-contact .contact-place__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(20px, 3vw, 38px);
  border-radius: var(--radius);
  border: 1px solid var(--cc-rule);
  background:
    radial-gradient(80% 70% at 0% 0%, rgba(217, 162, 74, .12) 0%, rgba(217, 162, 74, 0) 62%),
    var(--panel);
}

@media (min-width: 900px) {
  .page-contact .contact-place__wrap {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }
}

.page-contact .contact-place__info {
  min-width: 0;
}

.page-contact .contact-place__info h2 {
  margin: 12px 0 14px;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.24;
  color: var(--paper);
}

.page-contact .contact-place__coord {
  margin: 20px 0 8px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .contact-place__addr {
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--gold);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.72;
  color: var(--gold-hi);
}

.page-contact .contact-place__note {
  margin: 16px 0 0;
  max-width: 60ch;
  color: var(--warm);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .contact-place__link {
  margin: 16px 0 0;
  font-size: 14.5px;
}

.page-contact .contact-place__figure {
  margin: 0;
  min-width: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-contact .contact-place__figure .media-frame__img {
  width: 100%;
  object-fit: cover;
}

/* ---------- 备案条带 ---------- */
.page-contact .contact-icp {
  margin-top: clamp(36px, 5.6vw, 64px);
  border-top: 1px solid var(--cc-panel-line);
  border-bottom: 1px solid var(--cc-panel-line);
  background: linear-gradient(90deg, rgba(217, 162, 74, .10) 0%, rgba(7, 11, 24, 0) 72%);
}

.page-contact .contact-icp__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 15px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--warm);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel,
  .page-contact .contact-step__num,
  .page-contact .contact-channel .copy-field__value,
  .page-contact .contact-prep .tabs__tab {
    transition: none;
  }

  .page-contact .contact-step:hover .contact-step__num,
  .page-contact .contact-step:focus-within .contact-step__num {
    transform: none;
  }
}
</main>