.page-contact {
  --cc-cut: 18px;
  --cc-gap: clamp(20px, 3.2vw, 44px);
  background: var(--paper);
  color: var(--char);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .cc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 16px) 0 clamp(64px, 9vw, 112px);
  color: var(--paper);
  background:
    radial-gradient(130% 100% at 88% -10%, #0B3B35 0%, #061A14 58%),
    var(--ink);
}

.page-contact .cc-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.45) contrast(1.05);
  z-index: 0;
}

.page-contact .cc-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: clamp(34px, 5.5vw, 68px);
  background: var(--paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: 2;
  pointer-events: none;
}

.page-contact .cc-hero__inner {
  position: relative;
  z-index: 3;
}

.page-contact .cc-breadcrumbs {
  margin: 0 0 clamp(24px, 4vw, 44px);
}

.page-contact .cc-breadcrumbs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: rgba(243, 247, 242, 0.62);
}

.page-contact .cc-breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(243, 247, 242, 0.35);
}

.page-contact .cc-breadcrumbs a {
  color: var(--grass-soft);
  text-decoration: none;
}

.page-contact .cc-breadcrumbs a:hover {
  color: var(--grass);
}

.page-contact .cc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4.5vw, 56px);
  align-items: start;
}

.page-contact .cc-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.page-contact .cc-kicker::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--grass);
  flex: none;
}

.page-contact .cc-hero .cc-kicker {
  color: var(--grass);
}

.page-contact .cc-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  max-width: 15em;
}

.page-contact .cc-hero__lede {
  margin: 0 0 clamp(28px, 4vw, 42px);
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: rgba(243, 247, 242, 0.78);
}

.page-contact .cc-lines {
  display: grid;
  gap: 4px;
  max-width: 640px;
}

.page-contact .cc-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-dark);
}

.page-contact .cc-line:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .cc-line__k {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grass-soft);
}

.page-contact .cc-line__v {
  min-width: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 4.2vw, 27px);
  letter-spacing: -0.01em;
  line-height: 1.28;
  color: #FFFFFF;
  overflow-wrap: anywhere;
}

.page-contact .cc-copy {
  flex: none;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
  background: transparent;
  border: 1px solid rgba(255, 179, 71, 0.55);
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .cc-copy:hover,
.page-contact .cc-copy:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.page-contact .cc-copy[data-copied] {
  background: var(--grass);
  border-color: var(--grass);
  color: var(--ink);
}

.page-contact .cc-hero__aside {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  background: rgba(243, 247, 242, 0.06);
  border: 1px solid var(--line-dark);
  clip-path: polygon(var(--cc-cut) 0, 100% 0, 100% calc(100% - var(--cc-cut)), calc(100% - var(--cc-cut)) 100%, 0 100%, 0 var(--cc-cut));
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-contact .cc-hero__aside:hover {
  border-color: rgba(156, 255, 87, 0.45);
  background: rgba(156, 255, 87, 0.07);
}

.page-contact .cc-hero__aside .exhibit-label {
  display: inline-block;
  margin-bottom: 16px;
  background: var(--grass);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

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

.page-contact .cc-facts__item {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-dark);
}

.page-contact .cc-facts__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .cc-facts__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(243, 247, 242, 0.5);
}

.page-contact .cc-facts__v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

/* ---------- 通用章节 ---------- */
.page-contact .cc-section {
  padding: clamp(52px, 7vw, 96px) 0;
}

.page-contact .cc-section--tint {
  background: #E9F0E7;
}

.page-contact .cc-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.6vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--char);
  max-width: 20em;
}

.page-contact .cc-title--light {
  color: var(--paper);
}

.page-contact .cc-sub {
  margin: 0 0 clamp(28px, 4vw, 44px);
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(16, 35, 30, 0.72);
}

.page-contact .cc-body {
  margin: 0 0 16px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(16, 35, 30, 0.78);
}

/* ---------- 渠道分工 ---------- */
.page-contact .cc-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .cc-channel {
  position: relative;
  padding: 24px 22px 26px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-top-width: 3px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cc-cut)), calc(100% - var(--cc-cut)) 100%, 0 100%);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-contact .cc-channel--mail {
  border-top-color: var(--grass);
}

.page-contact .cc-channel--tel {
  border-top-color: var(--amber);
}

.page-contact .cc-channel--addr {
  border-top-color: var(--steel);
}

.page-contact .cc-channel:hover {
  transform: translateY(-2px);
  border-color: rgba(156, 255, 87, 0.7);
  box-shadow: 0 14px 30px -22px rgba(6, 26, 20, 0.6);
}

.page-contact .cc-channel__idx {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  opacity: 0.55;
}

.page-contact .cc-channel__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--char);
}

.page-contact .cc-channel__body {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(16, 35, 30, 0.68);
}

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

.page-contact .cc-channel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(16, 35, 30, 0.85);
}

.page-contact .cc-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--grass);
  transform: rotate(45deg);
}

/* ---------- 反馈与版本说明 ---------- */
.page-contact .cc-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .cc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 22px 0 0;
}

.page-contact .cc-links .link-underline {
  font-size: 14px;
  color: var(--ink-2);
  font-weight: 700;
}

.page-contact .cc-links .link-underline:hover {
  color: var(--char);
}

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

.page-contact .cc-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .cc-step__idx {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  padding-top: 2px;
}

.page-contact .cc-step__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--char);
}

.page-contact .cc-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(16, 35, 30, 0.72);
}

/* ---------- 合作咨询 ---------- */
.page-contact .cc-coop {
  padding: clamp(52px, 7vw, 96px) 0;
  background:
    linear-gradient(155deg, #3A2B5C 0%, #2A1F45 55%, #1D1630 100%);
  color: var(--paper);
}

.page-contact .cc-coop__head {
  max-width: 48em;
  margin-bottom: clamp(28px, 4vw, 42px);
}

.page-contact .cc-kicker--light {
  color: var(--grass);
}

.page-contact .cc-coop__lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 247, 242, 0.76);
}

.page-contact .cc-coop__list {
  list-style: none;
  margin: 0 0 clamp(24px, 3vw, 34px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(243, 247, 242, 0.16);
  border: 1px solid rgba(243, 247, 242, 0.16);
}

.page-contact .cc-coop__item {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  background: #2A1F45;
  transition: background-color 0.25s var(--ease);
}

.page-contact .cc-coop__item:hover {
  background: #342758;
}

.page-contact .cc-coop__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .cc-coop__v {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 247, 242, 0.85);
}

.page-contact .cc-coop__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 247, 242, 0.7);
}

.page-contact .cc-coop__note .num {
  color: var(--grass);
}

/* ---------- 地址 ---------- */
.page-contact .cc-address__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 32px);
  align-items: stretch;
}

.page-contact .cc-address__figure {
  margin: 0;
  overflow: hidden;
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .cc-address__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.82);
}

.page-contact .cc-address__card {
  padding: clamp(22px, 3vw, 30px);
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-left: 3px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cc-cut)), calc(100% - var(--cc-cut)) 100%, 0 100%);
  transition: border-color 0.25s var(--ease);
}

.page-contact .cc-address__card:hover {
  border-color: rgba(156, 255, 87, 0.7);
  border-left-color: var(--grass);
}

.page-contact .cc-address__card .exhibit-label {
  display: inline-block;
  margin-bottom: 16px;
  background: var(--ink);
  color: var(--grass);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-contact .cc-address__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .cc-address__list li {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .cc-address__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .cc-address__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(16, 35, 30, 0.5);
}

.page-contact .cc-address__v {
  font-size: 15px;
  line-height: 1.7;
  color: var(--char);
}

.page-contact .cc-address__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(16, 35, 30, 0.6);
}

/* ---------- 回复时段 ---------- */
.page-contact .cc-reply {
  padding: clamp(40px, 6vw, 72px) 0;
  background: linear-gradient(115deg, rgba(255, 179, 71, 0.16) 0%, rgba(255, 179, 71, 0.04) 62%, transparent 100%);
  border-top: 1px solid rgba(255, 179, 71, 0.3);
  border-bottom: 1px solid rgba(255, 179, 71, 0.3);
}

.page-contact .cc-reply__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-contact .cc-kicker--dark {
  color: #8A5A16;
}

.page-contact .cc-kicker--dark::before {
  background: var(--amber);
}

.page-contact .cc-reply__main p {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(16, 35, 30, 0.8);
}

.page-contact .cc-reply__aside {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .cc-copy--dark {
  color: #8A5A16;
  border-color: rgba(255, 179, 71, 0.75);
}

.page-contact .cc-copy--dark:hover,
.page-contact .cc-copy--dark:focus-visible {
  background: var(--amber);
  color: var(--ink);
}

/* ---------- 信息说明 ---------- */
.page-contact .cc-legal {
  padding: clamp(52px, 7vw, 92px) 0 clamp(56px, 8vw, 100px);
}

.page-contact .cc-legal__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .cc-legal__card {
  display: grid;
  gap: 8px;
  padding: 22px;
  text-decoration: none;
  background: #FFFFFF;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cc-cut)), calc(100% - var(--cc-cut)) 100%, 0 100%);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .cc-legal__card:hover,
.page-contact .cc-legal__card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--grass);
}

.page-contact .cc-legal__idx {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  opacity: 0.55;
}

.page-contact .cc-legal__name {
  font-size: 18px;
  font-weight: 800;
  color: var(--char);
}

.page-contact .cc-legal__desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(16, 35, 30, 0.68);
}

.page-contact .cc-legal__meta {
  margin: clamp(26px, 4vw, 40px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(16, 35, 30, 0.55);
}

.page-contact .cc-legal__meta a {
  color: var(--ink-2);
  font-weight: 700;
}

/* ---------- 焦点可见性 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .cc-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .cc-legal__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .cc-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
  }

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

  .page-contact .cc-address__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-contact .cc-reply__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .cc-channel,
  .page-contact .cc-copy,
  .page-contact .cc-legal__card,
  .page-contact .cc-hero__aside,
  .page-contact .cc-address__card,
  .page-contact .cc-coop__item {
    transition: none;
  }

  .page-contact .cc-channel:hover,
  .page-contact .cc-legal__card:hover {
    transform: none;
  }
}