.page-contact {
  --contact-gap: 24px;
  background: var(--rj-paper);
  color: var(--rj-ink);
  font-family: var(--rj-font-sans);
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 26px 0 68px;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: start;
  margin-top: 30px;
}

.page-contact .contact-hero__lead {
  border-top: 4px solid var(--rj-ink);
  padding-top: 20px;
}

.page-contact .contact-hero__lead h1 {
  font-size: clamp(40px, 12vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 12px 0 18px;
}

.page-contact .contact-hero__lead .rj-lead {
  max-width: 46ch;
  color: var(--rj-ink);
}

.page-contact .contact-hero__side {
  display: grid;
  gap: 22px;
}

/* ---------- 联系通道 ---------- */
.page-contact .contact-line {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--rj-line);
}

.page-contact .contact-line__kicker {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--rj-orange-deep);
}

.page-contact .contact-line__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.page-contact .contact-line__mail {
  font-size: clamp(19px, 4.6vw, 34px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--rj-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}

.page-contact .contact-line__tel {
  font-size: clamp(46px, 14vw, 94px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--rj-orange);
}

.page-contact .contact-line__note {
  margin: 12px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rj-gray);
}

/* ---------- 复制按钮 ---------- */
.page-contact .rj-copy {
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 15px;
  border: 1px solid var(--rj-ink);
  border-radius: 0;
  background: transparent;
  color: var(--rj-ink);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s var(--rj-ease), color 0.18s var(--rj-ease), border-color 0.18s var(--rj-ease);
}

.page-contact .rj-copy:hover,
.page-contact .rj-copy:focus-visible {
  background: var(--rj-ink);
  border-color: var(--rj-ink);
  color: var(--rj-paper);
  outline: none;
}

/* ---------- 首屏配图 ---------- */
.page-contact .contact-figure .rj-figure__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--rj-sand);
}

.page-contact .contact-figure .rj-figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .contact-figure .rj-figure__cap {
  margin-top: 10px;
}

/* ---------- 问题类型选择 ---------- */
.page-contact .contact-picker {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--rj-sand);
  border: 1px solid var(--rj-line);
}

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

.page-contact .contact-picker__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 18px;
}

.page-contact .contact-picker__labels label {
  font-size: 14px;
  font-weight: 700;
  padding: 9px 15px;
  border: 1px solid var(--rj-line);
  background: var(--rj-paper);
  color: var(--rj-ink);
  cursor: pointer;
  transition: background 0.18s var(--rj-ease), color 0.18s var(--rj-ease), border-color 0.18s var(--rj-ease);
}

.page-contact .contact-picker__labels label:hover {
  border-color: var(--rj-orange);
  color: var(--rj-orange-deep);
}

.page-contact .contact-picker__input:nth-of-type(1):checked ~ .contact-picker__labels label:nth-child(1),
.page-contact .contact-picker__input:nth-of-type(2):checked ~ .contact-picker__labels label:nth-child(2),
.page-contact .contact-picker__input:nth-of-type(3):checked ~ .contact-picker__labels label:nth-child(3),
.page-contact .contact-picker__input:nth-of-type(4):checked ~ .contact-picker__labels label:nth-child(4) {
  background: var(--rj-orange);
  border-color: var(--rj-orange);
  color: #FFFFFF;
}

.page-contact .contact-picker__panels {
  border-top: 1px solid var(--rj-line);
  padding-top: 16px;
  min-height: 96px;
}

.page-contact .contact-picker__panel {
  display: none;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rj-ink);
}

.page-contact .contact-picker__input:nth-of-type(1):checked ~ .contact-picker__panels .contact-picker__panel:nth-child(1),
.page-contact .contact-picker__input:nth-of-type(2):checked ~ .contact-picker__panels .contact-picker__panel:nth-child(2),
.page-contact .contact-picker__input:nth-of-type(3):checked ~ .contact-picker__panels .contact-picker__panel:nth-child(3),
.page-contact .contact-picker__input:nth-of-type(4):checked ~ .contact-picker__panels .contact-picker__panel:nth-child(4) {
  display: block;
}

/* ---------- 地址卡 ---------- */
.page-contact .contact-addr {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--rj-green);
  color: var(--rj-paper);
}

.page-contact .contact-addr__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.page-contact .contact-addr__body {
  position: relative;
  z-index: 1;
  padding: 26px 22px 28px;
}

.page-contact .contact-addr__body .rj-annotation {
  color: var(--rj-cyan);
}

.page-contact .contact-addr__text {
  margin: 12px 0 16px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--rj-paper);
}

.page-contact .contact-addr .rj-copy {
  border-color: rgba(247, 246, 243, 0.5);
  color: var(--rj-paper);
}

.page-contact .contact-addr .rj-copy:hover,
.page-contact .contact-addr .rj-copy:focus-visible {
  background: var(--rj-orange);
  border-color: var(--rj-orange);
  color: #FFFFFF;
}

.page-contact .contact-addr__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 246, 243, 0.7);
}

/* ---------- 提问准备 ---------- */
.page-contact .contact-prep {
  padding: 68px 0 72px;
}

.page-contact .contact-prep__head .rj-lead {
  max-width: 62ch;
  margin-top: 14px;
}

.page-contact .contact-prep__list {
  list-style: none;
  margin: 34px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rj-line);
  border: 1px solid var(--rj-line);
}

.page-contact .contact-prep__item {
  background: var(--rj-paper);
  padding: 24px 20px 26px;
}

.page-contact .contact-prep__num {
  display: block;
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  color: var(--rj-orange);
  margin-bottom: 16px;
}

.page-contact .contact-prep__item h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.page-contact .contact-prep__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--rj-gray);
}

.page-contact .contact-prep__item p a {
  color: var(--rj-orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-prep__check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 26px;
  padding: 16px 18px;
  border-left: 4px solid var(--rj-cyan);
  background: rgba(0, 224, 255, 0.09);
  font-size: 15px;
  line-height: 1.68;
  color: var(--rj-ink);
  cursor: pointer;
}

.page-contact .contact-prep__check input {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--rj-orange);
}

/* ---------- 合作 ---------- */
.page-contact .contact-coop {
  padding: 68px 0 76px;
}

.page-contact .contact-coop__head .rj-lead {
  max-width: 64ch;
  margin-top: 14px;
  color: rgba(247, 246, 243, 0.82);
}

.page-contact .contact-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 36px;
}

.page-contact .contact-coop__card {
  padding: 24px 22px 26px;
  background: var(--rj-green-mid);
  border-top: 4px solid var(--rj-orange);
}

.page-contact .contact-coop__card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--rj-paper);
}

.page-contact .contact-coop__card > p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(247, 246, 243, 0.78);
}

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

.page-contact .contact-coop__list li {
  position: relative;
  padding: 9px 0 9px 18px;
  border-top: 1px solid rgba(247, 246, 243, 0.14);
  font-size: 14px;
  line-height: 1.68;
  color: rgba(247, 246, 243, 0.9);
}

.page-contact .contact-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 7px;
  height: 2px;
  background: var(--rj-orange);
}

/* ---------- 收尾斜切带 ---------- */
.page-contact .contact-tail {
  margin-top: 56px;
  padding: 92px 0 96px;
  background: var(--rj-green-mid);
  color: var(--rj-paper);
  clip-path: polygon(0 40px, 100% 0, 100% 100%, 0 100%);
}

.page-contact .contact-tail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-contact .contact-tail__col .rj-annotation {
  color: var(--rj-cyan);
}

.page-contact .contact-tail__col h2 {
  margin: 10px 0 0;
  color: var(--rj-paper);
}

.page-contact .contact-tail__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .contact-tail__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px 0;
  border-top: 1px solid rgba(247, 246, 243, 0.18);
  font-size: 15px;
  line-height: 1.72;
  color: rgba(247, 246, 243, 0.88);
}

.page-contact .contact-tail__list .rj-mono {
  font-size: 16px;
  font-weight: 800;
  color: var(--rj-cyan);
  letter-spacing: 0.01em;
}

.page-contact .contact-tail__note {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(247, 246, 243, 0.8);
}

.page-contact .contact-tail__note a {
  color: var(--rj-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-prep__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .contact-tail__list li {
    grid-template-columns: minmax(130px, auto) 1fr;
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-tail__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: 34px 0 84px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 56px;
    margin-top: 36px;
  }

  .page-contact .contact-prep {
    padding: 84px 0 88px;
  }

  .page-contact .contact-prep__list {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .contact-coop {
    padding: 84px 0 92px;
  }

  .page-contact .contact-coop__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .contact-tail {
    margin-top: 72px;
    padding: 108px 0 112px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .rj-copy,
  .page-contact .contact-picker__labels label {
    transition: none;
  }
}