.page-contact {
  --ct-tilt: -2.6deg;
  --ct-soft: #EFE8DA;
  display: block;
  background: var(--paper);
  color: var(--indigo);
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumbs {
  padding-top: clamp(18px, 3vw, 34px);
}
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--step-meta);
  letter-spacing: .06em;
  color: var(--gray-brown);
}
.page-contact .breadcrumb a {
  color: var(--gray-brown);
  text-decoration: none;
}
.page-contact .breadcrumb a:hover {
  color: var(--amber);
}
.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--rule);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(44px, 7vw, 100px) 0 clamp(44px, 6vw, 84px);
}
.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.page-contact .ct-hero__shard {
  position: absolute;
  display: block;
  border-radius: 8px;
  transform: rotate(-8deg);
  animation: ct-shard-in 400ms var(--ease) both;
}
.page-contact .ct-hero__shard--indigo {
  top: -20%;
  right: -8%;
  width: min(44%, 480px);
  height: 72%;
  background: var(--indigo);
}
.page-contact .ct-hero__shard--deep {
  top: 24%;
  right: 4%;
  width: min(30%, 320px);
  height: 54%;
  background: var(--ink-deep);
  animation-delay: 90ms;
}
@keyframes ct-shard-in {
  from { opacity: 0; transform: translate(-28px, -22px) rotate(-8deg); }
  to   { opacity: 1; transform: translate(0, 0) rotate(-8deg); }
}
.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--page-x);
}
.page-contact .ct-hero__kicker {
  margin: 0 0 16px;
  font-size: var(--step-meta);
  letter-spacing: .18em;
  color: var(--amber);
}
.page-contact .ct-hero__title {
  max-width: 34rem;
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-hero);
  line-height: 1.06;
  letter-spacing: -.02em;
}
.page-contact .ct-hero__lede {
  max-width: 33rem;
  margin: 0 0 clamp(24px, 3vw, 36px);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--gray-brown);
}
.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 外壳与索引轴 ---------- */
.page-contact .ct-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.5vw, 36px);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--page-x) clamp(56px, 8vw, 112px);
}
.page-contact .ct-flow {
  min-width: 0;
}
.page-contact .ct-axis {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  scrollbar-width: none;
}
.page-contact .ct-axis::-webkit-scrollbar {
  display: none;
}
.page-contact .ct-axis__label {
  display: none;
}
.page-contact .index-axis__node {
  flex: 0 0 auto;
  padding: 8px 13px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--step-meta);
  letter-spacing: .04em;
  color: var(--gray-brown);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease);
}
.page-contact .index-axis__node:hover,
.page-contact .index-axis__node:focus-visible {
  color: var(--indigo);
  border-color: var(--amber);
}
@media (min-width: 960px) {
  .page-contact .ct-shell {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }
  .page-contact .ct-axis {
    position: sticky;
    top: 132px;
    flex-direction: column;
    overflow: visible;
    padding: 0;
    border-bottom: none;
    border-left: 1px solid var(--rule);
  }
  .page-contact .ct-axis__label {
    display: block;
    margin: 0 0 14px 13px;
    font-family: var(--font-mono);
    font-size: .6875rem;
    letter-spacing: .2em;
    color: var(--amber);
  }
  .page-contact .index-axis__node {
    margin-left: -1px;
    padding: 9px 12px;
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
  }
  .page-contact .index-axis__node:hover,
  .page-contact .index-axis__node:focus-visible {
    border-left-color: var(--amber-light);
    background: rgba(232, 199, 122, .18);
  }
  .page-contact .index-axis__node[aria-current="true"],
  .page-contact .index-axis__node.is-active {
    color: var(--indigo);
    font-weight: 700;
    border-left-color: var(--amber);
  }
}

/* ---------- 通用章节 ---------- */
.page-contact section[id] {
  scroll-margin-top: 132px;
}
.page-contact .section {
  padding: clamp(40px, 6vw, 76px) 0;
}
.page-contact .ct-flow > .section + .section,
.page-contact .ct-flow > .section + .ct-template,
.page-contact .ct-flow > .ct-template + .section {
  border-top: 1px solid var(--rule);
}
.page-contact .section__num {
  display: inline-block;
  margin-bottom: 10px;
  font-size: var(--step-meta);
  letter-spacing: .16em;
  color: var(--amber);
}
.page-contact .section__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-title);
  line-height: 1.25;
  letter-spacing: -.01em;
}
.page-contact .section__lead {
  max-width: 34rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--gray-brown);
}

/* ---------- 01 提交范围 ---------- */
.page-contact .ct-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 10px;
}
.page-contact .filter-chip {
  padding: 7px 14px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--step-meta);
  letter-spacing: .04em;
  color: var(--gray-brown);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease);
}
.page-contact .filter-chip:hover {
  color: var(--indigo);
  border-color: var(--amber);
}
.page-contact .filter-chip[aria-pressed="true"] {
  background: var(--amber-light);
  border-color: var(--amber);
  color: var(--indigo);
  font-weight: 700;
}
.page-contact .ct-filter__status {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: var(--step-meta);
  letter-spacing: .04em;
  color: var(--gray-brown);
}
.page-contact .ct-issues {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.page-contact .ct-issue {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--paper);
  transition: background-color var(--dur-fast) var(--ease);
}
.page-contact .ct-issue:hover {
  background: var(--ct-soft);
}
.page-contact .ct-issue__num {
  font-size: var(--step-meta);
  letter-spacing: .06em;
  color: var(--amber);
}
.page-contact .ct-issue__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.45;
}
.page-contact .ct-issue__desc {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--gray-brown);
}
.page-contact .ct-issue .tag {
  justify-self: start;
}
@media (min-width: 800px) {
  .page-contact .ct-issues {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 02 模板 ---------- */
.page-contact .ct-template {
  position: relative;
  padding: clamp(52px, 8vw, 104px) 0;
}
.page-contact .ct-template__plate {
  position: relative;
  max-width: 58rem;
  margin: 0 auto;
  padding: clamp(26px, 4vw, 56px);
}
.page-contact .ct-template__plate::before {
  content: "";
  position: absolute;
  inset: 10px -16px;
  z-index: 0;
  border-radius: 6px;
  background: linear-gradient(102deg, var(--amber-light) 0%, #F0DEAE 100%);
  transform: rotate(var(--ct-tilt));
}
.page-contact .ct-template__plate > * {
  position: relative;
  z-index: 1;
}
.page-contact .ct-template__kicker {
  margin: 0 0 10px;
  font-size: var(--step-meta);
  letter-spacing: .18em;
  color: #8A6516;
}
.page-contact .ct-template__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-title);
  line-height: 1.25;
}
.page-contact .ct-template__lead {
  max-width: 34rem;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: #4A4130;
}
.page-contact .ct-template__list {
  display: grid;
  gap: 0;
  margin: 26px 0 30px;
  padding: 0;
  list-style: none;
}
.page-contact .ct-template__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-top: 1px solid rgba(27, 42, 74, .16);
}
.page-contact .ct-template__row:last-child {
  border-bottom: 1px solid rgba(27, 42, 74, .16);
}
.page-contact .ct-template__idx {
  padding-top: 2px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--indigo);
}
.page-contact .ct-template__label {
  margin: 0 0 3px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
}
.page-contact .ct-template__body p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
  color: #4A4130;
}
.page-contact .ct-template__copy,
.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  padding: 9px 18px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: transparent;
  color: var(--gray-brown);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease);
}
.page-contact .ct-template__copy {
  padding: 12px 26px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .9375rem;
  letter-spacing: .04em;
  border-color: var(--indigo);
  background: var(--indigo);
  color: var(--paper);
}
.page-contact .ct-template__copy:hover,
.page-contact .copy-btn:hover {
  border-color: var(--amber);
  color: var(--indigo);
}
.page-contact .ct-template__copy:hover {
  background: var(--ink-deep);
  color: var(--paper);
}
.page-contact .copy-btn[data-copied="true"],
.page-contact .ct-template__copy[data-copied="true"] {
  background: var(--celadon);
  border-color: var(--celadon);
  color: #FFFFFF;
}

/* ---------- 03 处理时效 ---------- */
.page-contact .ct-timing__figure {
  margin: clamp(26px, 3vw, 38px) 0 clamp(26px, 3vw, 40px);
}
.page-contact .ct-timing__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: #EAE3D5;
}
.page-contact .media-frame__caption {
  margin-top: 10px;
  font-size: var(--step-meta);
  letter-spacing: .04em;
  color: var(--gray-brown);
}
.page-contact .ct-timing__steps {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-timing__step {
  position: relative;
  padding: 20px 0 20px 30px;
  border-top: 1px solid var(--rule);
}
.page-contact .ct-timing__step:last-child {
  border-bottom: 1px solid var(--rule);
}
.page-contact .ct-timing__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--amber);
  border-radius: 50%;
  background: var(--paper);
}
.page-contact .ct-timing__step::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 40px;
  bottom: -20px;
  width: 1px;
  background: var(--rule);
}
.page-contact .ct-timing__step:last-child::after {
  display: none;
}
.page-contact .ct-timing__step-num {
  display: block;
  margin-bottom: 5px;
  font-size: var(--step-meta);
  letter-spacing: .1em;
  color: var(--celadon);
}
.page-contact .ct-timing__step-title {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.5;
}
.page-contact .ct-timing__step-desc {
  max-width: 34rem;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--gray-brown);
}
@media (min-width: 900px) {
  .page-contact .ct-timing__steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }
  .page-contact .ct-timing__step:nth-child(2) {
    border-top-color: transparent;
  }
  .page-contact .ct-timing__step:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--rule);
  }
  .page-contact .ct-timing__step::after {
    display: none;
  }
}

/* ---------- 04 联系方式 ---------- */
.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}
.page-contact .ct-channels__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-title);
  line-height: 1.25;
}
.page-contact .ct-channels__lead {
  max-width: 32rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--gray-brown);
}
.page-contact .ct-channels__list {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-channels__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
}
.page-contact .ct-channels__row:last-child {
  border-bottom: 1px solid var(--rule);
}
.page-contact .ct-channels__label {
  flex: 0 0 84px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--step-meta);
  letter-spacing: .04em;
  color: var(--gray-brown);
}
.page-contact .ct-channels__value {
  flex: 1 1 240px;
  min-width: 0;
  font-size: clamp(1rem, 2vw, 1.4375rem);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--indigo);
  word-break: break-word;
}
.page-contact .ct-channels__copy {
  flex: 0 0 auto;
}
.page-contact .ct-channels__note {
  max-width: 34rem;
  margin: 20px 0 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--gray-brown);
}
.page-contact .ct-channels__figure {
  margin: 0;
  align-self: end;
}
.page-contact .ct-channels__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  opacity: .92;
}
@media (min-width: 900px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* ---------- 05 边界 ---------- */
.page-contact .ct-out__panel {
  padding: clamp(26px, 4vw, 48px);
  border-left: 3px solid var(--coral);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: #FBF6EC;
}
.page-contact .ct-out__flag {
  display: inline-block;
  margin-bottom: 12px;
  font-size: var(--step-meta);
  letter-spacing: .18em;
  color: var(--coral);
}
.page-contact .ct-out__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-title);
  line-height: 1.25;
}
.page-contact .ct-out__lead {
  max-width: 34rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--gray-brown);
}
.page-contact .ct-out__list {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-out__list li {
  position: relative;
  padding-left: 24px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--gray-brown);
}
.page-contact .ct-out__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 11px;
  height: 1px;
  background: var(--coral);
}
.page-contact .ct-out__tail {
  max-width: 36rem;
  margin: 24px 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--indigo);
}
.page-contact .ct-out__tail a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-contact .ct-out__tail a:hover {
  color: var(--amber);
}

/* ---------- 焦点与降级 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
@media (max-width: 860px) {
  .page-contact .ct-hero__shard {
    animation: none;
  }
  .page-contact .ct-hero__shard--indigo {
    top: 4%;
    right: -20%;
    width: 80%;
    height: 56%;
    opacity: .07;
  }
  .page-contact .ct-hero__shard--deep {
    top: 40%;
    right: -8%;
    width: 54%;
    height: 44%;
    opacity: .05;
  }
  .page-contact .ct-hero__title {
    max-width: 22rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-hero__shard {
    animation: none;
  }
  .page-contact .index-axis__node,
  .page-contact .filter-chip,
  .page-contact .copy-btn,
  .page-contact .ct-issue,
  .page-contact .ct-out__tail a {
    transition: none;
  }
}