.page-contact {
  --c-ink-soft: #3A4744;
  --c-hair: 1px solid var(--grid);
  --c-hair-soft: 1px solid rgba(30, 42, 40, 0.18);
  --c-paper-soft: rgba(242, 245, 241, 0.74);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(52px, 8vw, 104px) 0 clamp(46px, 7vw, 84px);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--green) 0 52%, var(--teal) 52% 78%, var(--indigo) 78% 100%);
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(26px, 4vw, 44px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-contact .crumbs a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-contact .contact-hero__eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--green);
  text-transform: uppercase;
}

.page-contact .contact-hero__title {
  max-width: 20ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  max-width: 60ch;
  margin: 0 0 clamp(26px, 4vw, 40px);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: var(--c-paper-soft);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-contact .contact-hero__sep {
  color: var(--green);
}

/* ---------- 主体分栏 ---------- */
.page-contact .contact-body {
  padding: clamp(48px, 7vw, 96px) 0;
  color: var(--ink);
}

.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(44px, 7vw, 72px);
}

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

.page-contact .contact-main > .cblock + .cblock {
  margin-top: clamp(52px, 8vw, 104px);
  padding-top: clamp(46px, 7vw, 88px);
  border-top: var(--c-hair);
}

/* ---------- 章节通用 ---------- */
.page-contact .cblock__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-contact .cblock__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .cblock__lede {
  max-width: 56ch;
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-ink-soft);
}

/* ---------- 渠道选择 ---------- */
.page-contact .channel-pick {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .channel-btn {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 22px;
  border: 1px solid var(--grid);
  background: #FFFFFF;
  color: var(--ink);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-contact .channel-btn--mail {
  padding: 30px 24px;
  background: var(--green);
  border-color: var(--green);
}

.page-contact .channel-btn--mail:hover {
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .channel-btn--call:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-contact .channel-btn__flag {
  align-self: flex-start;
  padding: 3px 8px;
  border: 1px solid currentColor;
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-contact .channel-btn__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 23px;
  letter-spacing: -0.01em;
}

.page-contact .channel-btn__desc {
  margin-top: auto;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.page-contact .channel-btn--mail .channel-btn__desc {
  color: rgba(11, 15, 14, 0.78);
}

.page-contact .channel-btn__hint {
  padding-top: 10px;
  border-top: 1px solid rgba(30, 42, 40, 0.22);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--steel);
  opacity: 0.72;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .channel-btn--mail .channel-btn__hint {
  border-top-color: rgba(11, 15, 14, 0.26);
  color: rgba(11, 15, 14, 0.62);
}

.page-contact .channel-btn:hover .channel-btn__hint {
  opacity: 1;
  border-top-color: rgba(11, 15, 14, 0.4);
}

.page-contact .channel-btn--call:hover .channel-btn__desc,
.page-contact .channel-btn--call:hover .channel-btn__hint {
  color: var(--c-paper-soft);
}

.page-contact .channel-btn--call:hover .channel-btn__hint {
  border-top-color: rgba(242, 245, 241, 0.3);
}

/* ---------- 邮件准备清单 ---------- */
.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--c-hair);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: var(--c-hair-soft);
  transition: border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .prep-item:hover {
  border-bottom-color: var(--green);
  padding-left: 6px;
}

.page-contact .prep-item__no {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--grid);
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .prep-item:hover .prep-item__no {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink);
}

.page-contact .prep-item__title {
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}

.page-contact .prep-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-ink-soft);
}

.page-contact .prep-figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .part-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .part-item {
  padding: 26px 22px 28px;
  background: #FFFFFF;
  border: 1px solid var(--grid);
  border-top: 2px solid var(--green);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .part-item:hover {
  border-color: var(--green);
}

.page-contact .part-item__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}

.page-contact .part-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-ink-soft);
}

.page-contact .part-item__list {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed rgba(30, 42, 40, 0.28);
  list-style: none;
}

.page-contact .part-item__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-contact .part-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--green);
}

/* ---------- 联系信息卡 ---------- */
.page-contact .contact-side {
  min-width: 0;
}

.page-contact .contact-card {
  padding: clamp(22px, 3vw, 30px);
  background: var(--ink);
  border: 1px solid var(--green);
}

.page-contact .contact-card__kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--green);
}

.page-contact .contact-card__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  color: var(--paper);
}

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

.page-contact .contact-card__row {
  display: grid;
  gap: 7px;
  padding: 15px 0;
  border-top: 1px solid rgba(138, 154, 147, 0.22);
}

.page-contact .contact-card__row:last-of-type {
  border-bottom: 1px solid rgba(138, 154, 147, 0.22);
}

.page-contact .contact-card__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--steel);
}

.page-contact .contact-card__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
  user-select: all;
}

.page-contact .contact-card__val--mail {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-contact .contact-card__val--tel {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 服务时段 ---------- */
.page-contact .contact-hours {
  padding: clamp(52px, 8vw, 100px) 0;
  color: var(--paper);
}

.page-contact .contact-hours .cblock__title {
  color: var(--paper);
}

.page-contact .hours-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 60px);
}

.page-contact .hours-lede {
  max-width: 58ch;
  margin: 0 0 clamp(28px, 4vw, 40px);
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-paper-soft);
}

.page-contact .hours {
  margin-bottom: 24px;
}

.page-contact .hours__scale {
  position: relative;
  height: 36px;
  background: rgba(11, 15, 14, 0.4);
  border: 1px solid rgba(22, 192, 90, 0.4);
}

.page-contact .hours__band {
  position: absolute;
  inset: 4px;
  background: linear-gradient(90deg, var(--green) 0%, var(--cyan) 100%);
  transition: filter var(--dur) var(--ease);
}

.page-contact .hours:hover .hours__band {
  filter: brightness(1.16) saturate(1.2);
}

.page-contact .hours__labels {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-paper-soft);
}

.page-contact .hours__note {
  opacity: 0.55;
  font-size: 11px;
  letter-spacing: 0.06em;
  transition: opacity var(--dur) var(--ease);
}

.page-contact .hours:hover .hours__note {
  opacity: 1;
}

.page-contact .hours-tail {
  max-width: 56ch;
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid rgba(242, 245, 241, 0.22);
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-paper-soft);
}

.page-contact .hours-media {
  margin: 0;
}

/* ---------- 收尾 ---------- */
.page-contact .contact-cta {
  padding: clamp(38px, 5vw, 58px) 0;
}

.page-contact .contact-cta__wrap {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-contact .contact-cta__lead {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-paper-soft);
}

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

/* ---------- 中等屏 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-pick {
    grid-template-columns: 1.45fr 1fr;
    align-items: stretch;
  }

  .page-contact .part-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .contact-cta__wrap {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ---------- 桌面：左右分置 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 336px);
    gap: 0;
  }

  .page-contact .contact-main {
    padding-right: clamp(32px, 4vw, 64px);
    border-right: var(--c-hair);
  }

  .page-contact .contact-side {
    padding-left: clamp(32px, 4vw, 64px);
  }

  .page-contact .contact-card {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__title {
    max-width: 24ch;
  }
}
<<<END>>>