.page-contact {
  --pc-line: 2px solid var(--edge);
  --pc-gap: clamp(28px, 5vw, 64px);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-contact .page-crumb {
  padding-top: clamp(20px, 3vw, 34px);
}

/* ---------- 顶部联络区 ---------- */
.page-contact .contact-top {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 44px) 0 clamp(56px, 8vw, 100px);
}

.page-contact .contact-top::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(660px, 84vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 24, 0.26), rgba(255, 138, 24, 0) 62%);
  pointer-events: none;
  animation: pc-breathe 7s ease-in-out infinite;
}

@keyframes pc-breathe {
  0%, 100% { opacity: 0.75; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.06); }
}

.page-contact .contact-top__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-title {
  margin: 14px 0 0;
  font-size: clamp(36px, 7.4vw, 74px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--halo);
}

.page-contact .contact-lede {
  margin-top: 22px;
  max-width: 34em;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--slate);
}

/* 联系方式信息牌 */
.page-contact .contact-plate {
  margin-top: clamp(28px, 4vw, 46px);
  border: var(--pc-line);
  box-shadow: var(--shadow-hard);
  background: var(--deep);
}

.page-contact .contact-plate__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 18px;
  padding: clamp(16px, 2.2vw, 24px) clamp(18px, 2.4vw, 28px);
  border-bottom: var(--pc-line);
}

.page-contact .contact-plate__row--last {
  border-bottom: 0;
}

.page-contact .contact-plate__key {
  flex: 0 0 100%;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-contact .contact-plate__val {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-size: clamp(16px, 2.1vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--halo);
  word-break: break-word;
}

.page-contact .contact-plate__val--lead {
  color: var(--sun);
  letter-spacing: 0.01em;
}

.page-contact .contact-plate__val--addr {
  font-weight: 500;
  font-size: clamp(15px, 1.8vw, 17px);
}

.page-contact .contact-copy {
  flex: 0 0 auto;
  padding: 9px 15px;
  border: var(--pc-line);
  background: transparent;
  color: var(--halo);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-contact .contact-copy:hover,
.page-contact .contact-copy:focus-visible {
  border-color: var(--sun);
  color: var(--sun);
}

.page-contact .contact-copy.is-copied {
  border-color: var(--mint);
  color: var(--mint);
  background: rgba(79, 224, 200, 0.08);
}

.page-contact .contact-top__hint {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 13.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* 顶部配图 */
.page-contact .contact-visual {
  position: relative;
  margin: 0;
}

.page-contact .contact-visual__halo {
  position: absolute;
  inset: -18% -10% auto auto;
  width: min(320px, 62%);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 196, 107, 0.34), rgba(255, 196, 107, 0) 68%);
  pointer-events: none;
}

.page-contact .contact-visual img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--pc-line);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-visual figcaption {
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 来信前准备 ---------- */
.page-contact .contact-prep {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-contact .prep-grid {
  display: grid;
  gap: clamp(32px, 5vw, 60px);
  align-items: start;
}

.page-contact .prep-copy__lede {
  margin-top: 18px;
  max-width: 30em;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .prep-figure {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
}

.page-contact .prep-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 45 / 28;
  object-fit: cover;
  border: var(--pc-line);
  box-shadow: var(--shadow-hard);
}

.page-contact .prep-list {
  counter-reset: prep;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pc-line);
}

.page-contact .prep-list > li {
  counter-increment: prep;
  position: relative;
  padding: 20px 14px 20px 64px;
  border-bottom: var(--pc-line);
  transition: background-color 0.16s var(--ease);
}

.page-contact .prep-list > li:hover {
  background: rgba(255, 138, 24, 0.07);
}

.page-contact .prep-list > li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--sun);
}

.page-contact .prep-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--halo);
}

.page-contact .prep-list span {
  display: block;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 问题分类标签页 ---------- */
.page-contact .contact-topics {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-contact .topics-tabs {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .topics-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  border-bottom: var(--pc-line);
}

.page-contact .topics-tabs .tab {
  position: relative;
  flex: 1 1 auto;
  min-width: 132px;
  padding: 16px 18px 18px;
  border: 0;
  background: transparent;
  color: var(--slate);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-contact .topics-tabs .tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: var(--sun);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s var(--ease);
}

.page-contact .topics-tabs .tab:hover,
.page-contact .topics-tabs .tab:focus-visible {
  color: var(--halo);
}

.page-contact .topics-tabs .tab[aria-selected="true"] {
  color: var(--halo);
  background: var(--deep);
}

.page-contact .topics-tabs .tab[aria-selected="true"]::after {
  transform: scaleX(1);
}

.page-contact .topics-tabs .tabpanel {
  padding-top: clamp(26px, 3.6vw, 42px);
  animation: pc-fade 0.18s var(--ease);
}

.page-contact .topics-tabs .tabpanel[hidden] {
  display: none;
}

@keyframes pc-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.page-contact .topic-panel__grid {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
}

.page-contact .topic-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--sun);
}

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

.page-contact .topic-list li {
  position: relative;
  padding: 11px 0 11px 24px;
  border-bottom: 1px solid rgba(46, 55, 96, 0.9);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--halo);
}

.page-contact .topic-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 21px;
  width: 9px;
  height: 2px;
  background: var(--sun);
}

.page-contact .topic-panel__link {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: 18px;
  border-top: var(--pc-line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .topic-panel__link a {
  color: var(--sun);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 合作与内容提交 ---------- */
.page-contact .contact-partner {
  padding: clamp(56px, 8vw, 104px) 0;
  background: linear-gradient(180deg, var(--halo) 0%, #FFEDD4 100%);
  border-top: var(--pc-line);
  border-bottom: var(--pc-line);
  color: var(--space);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(32px, 5vw, 60px);
  align-items: start;
}

.page-contact .partner-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--brown);
}

.page-contact .partner-title {
  margin: 14px 0 0;
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--space);
}

.page-contact .partner-lede {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: #3A3000;
}

.page-contact .partner-list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  padding: 0;
  border-top: 2px solid var(--space);
}

.page-contact .partner-list li {
  padding: 16px 0;
  border-bottom: 2px solid rgba(11, 16, 32, 0.18);
}

.page-contact .partner-list strong {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: 800;
  color: var(--brown);
}

.page-contact .partner-list span {
  display: block;
  font-size: 15px;
  line-height: 1.72;
  color: #33290A;
}

.page-contact .partner-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--brown);
}

.page-contact .partner-figure {
  margin: 0;
}

.page-contact .partner-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 45 / 28;
  object-fit: cover;
  border: 2px solid var(--space);
  box-shadow: 8px 8px 0 0 var(--space);
}

.page-contact .partner-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--brown);
}

/* ---------- 服务时间与响应 ---------- */
.page-contact .contact-hours {
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-contact .hours-grid {
  display: grid;
  gap: clamp(32px, 5vw, 60px);
  align-items: start;
}

.page-contact .hours-head__lede {
  margin-top: 18px;
  max-width: 26em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .time-bar__track {
  position: relative;
  height: 20px;
  background: var(--deep);
  border: var(--pc-line);
  overflow: hidden;
}

.page-contact .time-bar__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, var(--sun), var(--amber));
  box-shadow: 0 0 26px rgba(255, 138, 24, 0.7);
}

.page-contact .time-bar__scale {
  position: relative;
  height: 22px;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-contact .time-bar__scale span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
}

.page-contact .time-bar__scale span:nth-child(1) { left: 0; transform: none; }
.page-contact .time-bar__scale span:nth-child(2) { left: 25%; }
.page-contact .time-bar__scale span:nth-child(3) { left: 50%; }
.page-contact .time-bar__scale span:nth-child(4) { left: 75%; }
.page-contact .time-bar__scale span:nth-child(5) { left: 100%; transform: translateX(-100%); }

.page-contact .time-bar__caption {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--halo);
}

.page-contact .time-bar__caption .mono {
  color: var(--sun);
  font-weight: 700;
}

.page-contact .hours-list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  border-top: var(--pc-line);
}

.page-contact .hours-list li {
  padding: 16px 0;
  border-bottom: var(--pc-line);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-contact .hours-list strong {
  display: inline-block;
  min-width: 6.5em;
  font-weight: 700;
  color: var(--halo);
}

/* ---------- 结尾引导 ---------- */
.page-contact .contact-cta {
  padding: 0 0 clamp(64px, 9vw, 112px);
}

.page-contact .contact-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px 32px;
  padding: clamp(24px, 3.4vw, 40px) clamp(22px, 3vw, 40px);
  border: var(--pc-line);
  box-shadow: var(--shadow-hard);
  background: var(--deep);
}

.page-contact .contact-cta__text {
  flex: 1 1 320px;
  margin: 0;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--halo);
}

.page-contact .contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-plate__row {
    flex-wrap: nowrap;
  }

  .page-contact .contact-plate__key {
    flex: 0 0 6.5em;
  }

  .page-contact .topic-panel__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-top__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .contact-visual {
    margin-top: clamp(28px, 5vw, 76px);
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .partner-figure {
    margin-top: clamp(10px, 2vw, 34px);
  }

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }
}

@media (max-width: 639px) {
  .page-contact .topics-tabs .tablist {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .page-contact .topics-tabs .tablist::-webkit-scrollbar {
    display: none;
  }

  .page-contact .topics-tabs .tab {
    flex: 0 0 auto;
    white-space: nowrap;
    min-width: 0;
    padding: 14px 16px 16px;
  }

  .page-contact .contact-plate__val {
    flex: 1 1 100%;
  }

  .page-contact .contact-visual {
    order: -1;
  }

  .page-contact .contact-cta__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-top::before {
    animation: none;
  }

  .page-contact .topics-tabs .tabpanel {
    animation: none;
  }

  .page-contact .topics-tabs .tab,
  .page-contact .contact-copy,
  .page-contact .prep-list > li {
    transition: none;
  }
}