.page-contact {
  --pc-gap: clamp(20px, 3.2vw, 44px);
  --pc-radius: 2px;
  background: var(--c-void);
  color: var(--c-paper);
}

/* ---------- 首屏 ---------- */
.page-contact .intro {
  position: relative;
  padding-block: clamp(22px, 4.5vw, 52px) clamp(30px, 5vw, 66px);
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(circle at 86% 8%, rgba(53, 242, 208, 0.10), transparent 56%),
    linear-gradient(118deg, rgba(53, 242, 208, 0.06) 0%, transparent 46%);
  overflow: hidden;
}

.page-contact .intro::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--c-line) 0 14px, transparent 14px 28px);
}

.page-contact .intro__title {
  margin: 16px 0 0;
  max-width: 20ch;
  font-size: clamp(27px, 5vw, 54px);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-contact .intro__lede {
  margin-top: 18px;
  max-width: 58ch;
}

/* ---------- 通用小标题 ---------- */
.page-contact .sec-title {
  margin: 10px 0 0;
  font-size: clamp(20px, 2.7vw, 29px);
  line-height: 1.32;
  letter-spacing: 0.04em;
  color: var(--c-paper);
}

/* ---------- 联系方式 + 回复节奏 ---------- */
.page-contact .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .ways {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .ways > li {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .way {
  display: grid;
  gap: 6px;
  padding: 20px 4px 20px 0;
  color: inherit;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-contact a.way:hover,
.page-contact a.way:focus-visible {
  border-left: 2px solid var(--c-cyan);
  padding-left: 14px;
  outline: none;
}

.page-contact .way__label {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-grey);
  text-transform: uppercase;
}

.page-contact .way__value {
  font-family: var(--f-sans);
  font-size: clamp(17px, 2.1vw, 22px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

.page-contact .way__value.numeric {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .way__value--addr {
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.6;
}

.page-contact .way__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-grey);
}

.page-contact .reply-card {
  padding: clamp(20px, 2.8vw, 32px);
  border-radius: var(--pc-radius);
  align-self: start;
}

.page-contact .reply-card__title {
  margin: 10px 0 0;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--c-paper);
}

.page-contact .reply-card__text {
  margin: 12px 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
}

/* ---------- 可展开提示 ---------- */
.page-contact .fold {
  border-top: 1px solid var(--c-line);
}

.page-contact .fold summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 14px 28px 14px 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-paper);
  transition: color var(--t-fast) var(--ease);
}

.page-contact .fold summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-mono);
  font-size: 16px;
  color: var(--c-cyan);
}

.page-contact .fold[open] summary::after {
  content: "–";
}

.page-contact .fold summary:hover {
  color: var(--c-cyan);
}

.page-contact .fold p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-grey);
}

/* ---------- 咨询类型 ---------- */
.page-contact .types__head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

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

.page-contact .types__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

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

.page-contact .cats__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .cats__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .cats__tab {
  display: inline-block;
  padding: 9px 15px;
  border: 1px solid var(--c-line);
  border-radius: var(--pc-radius);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-grey);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-contact .cats__tab:hover {
  color: var(--c-paper);
  border-color: var(--c-cyan);
}

.page-contact #cat-lib:checked ~ .cats__tabs .cats__tab[for="cat-lib"],
.page-contact #cat-data:checked ~ .cats__tabs .cats__tab[for="cat-data"],
.page-contact #cat-coop:checked ~ .cats__tabs .cats__tab[for="cat-coop"],
.page-contact #cat-media:checked ~ .cats__tabs .cats__tab[for="cat-media"] {
  color: var(--c-void);
  background-color: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-contact #cat-lib:focus-visible ~ .cats__tabs .cats__tab[for="cat-lib"],
.page-contact #cat-data:focus-visible ~ .cats__tabs .cats__tab[for="cat-data"],
.page-contact #cat-coop:focus-visible ~ .cats__tabs .cats__tab[for="cat-coop"],
.page-contact #cat-media:focus-visible ~ .cats__tabs .cats__tab[for="cat-media"] {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-contact .cats__panel {
  display: none;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--c-turf);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-cyan);
  border-radius: var(--pc-radius);
}

.page-contact .cats__panel--data {
  border-left-color: var(--c-orange);
}

.page-contact #cat-lib:checked ~ .cats__panels .cats__panel--lib,
.page-contact #cat-data:checked ~ .cats__panels .cats__panel--data,
.page-contact #cat-coop:checked ~ .cats__panels .cats__panel--coop,
.page-contact #cat-media:checked ~ .cats__panels .cats__panel--media {
  display: block;
}

.page-contact .cats__panel-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--c-paper);
}

.page-contact .cats__panel-text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
}

.page-contact .prep {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .prep li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-paper);
}

.page-contact .prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--c-cyan);
}

.page-contact .cats__panel--data .prep li::before {
  background: var(--c-orange);
}

.page-contact .cats__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .cats__hint {
  font-size: 13px;
  color: var(--c-grey);
}

.page-contact .types__figure {
  margin: 0;
}

/* ---------- 服务范围 ---------- */
.page-contact .region__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: center;
}

.page-contact .region__figure {
  margin: 0;
}

.page-contact .region__text {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-grey);
}

.page-contact .region-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .region-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--c-coal);
  border: 1px solid var(--c-line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-paper);
}

.page-contact .region-list__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
  flex: none;
}

.page-contact .region__link {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--c-grey);
}

.page-contact .region__link a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.35);
}

.page-contact .region__link a:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 寄送资料 ---------- */
.page-contact .mail-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 34px);
  padding: clamp(20px, 3vw, 36px);
  border-left: 2px solid var(--c-orange);
  border-radius: var(--pc-radius);
}

.page-contact .mail-panel__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
}

.page-contact .mail-panel__addr {
  padding-top: 4px;
}

.page-contact .mail-panel__label {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-peach);
}

.page-contact .mail-panel__value {
  margin: 10px 0 0;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--c-paper);
}

.page-contact .mail-panel__note {
  margin: 12px 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-grey);
}

/* ---------- 提交提示 ---------- */
.page-contact .tips {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .tips li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-grey);
}

.page-contact .tips li strong {
  color: var(--c-paper);
  font-weight: 700;
}

.page-contact .tips__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
  padding-top: 4px;
}

.page-contact .tips__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-grey);
}

.page-contact .tips__foot a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.35);
}

.page-contact .tips__foot a:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 底部数据带 ---------- */
.page-contact .service-band {
  margin-top: clamp(36px, 6vw, 84px);
  border-top: 1px solid var(--c-line);
  background: linear-gradient(180deg, var(--c-coal) 0%, var(--c-void) 100%);
}

.page-contact .service-band__list {
  list-style: none;
  margin: 0;
  padding: clamp(24px, 3.4vw, 38px) 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 18px;
}

.page-contact .service-band__num {
  display: block;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3.1vw, 33px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-paper);
}

.page-contact .service-band__num--accent {
  color: var(--c-cyan);
}

.page-contact .service-band__label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-grey);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .region-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .split {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: start;
  }

  .page-contact .region__grid {
    grid-template-columns: 0.92fr 1.08fr;
  }

  .page-contact .types__grid {
    grid-template-columns: 1.16fr 0.84fr;
  }

  .page-contact .mail-panel {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-contact .service-band__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-contact .types__figure {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .way,
  .page-contact .cats__tab,
  .page-contact .fold summary {
    transition: none;
  }

  .page-contact a.way:hover,
  .page-contact a.way:focus-visible {
    transform: none;
  }
}
<<<END>>>