.page-contact {
  --contact-panel: rgba(26, 42, 74, 0.72);
  --contact-line: rgba(255, 255, 255, 0.09);
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 2.5rem) clamp(3rem, 8vw, 5rem);
  color: var(--ink-bold);
  position: relative;
}

/* 面包屑 */
.page-contact .breadcrumbs {
  margin: 0 0 clamp(2rem, 5vw, 3rem);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}
.page-contact .breadcrumbs a {
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.page-contact .breadcrumbs a:hover {
  color: var(--accent-green);
}
.page-contact .breadcrumbs__sep {
  margin: 0 0.6rem;
  color: var(--accent-orange);
}

/* 首屏 Hero */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  margin-bottom: clamp(4rem, 9vw, 7rem);
}
.page-contact .contact-hero__kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent-green);
  display: inline-block;
  position: relative;
  margin-bottom: 1.2rem;
  padding-bottom: 0.5rem;
}
.page-contact .contact-hero__kicker::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 110%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-orange), transparent 90%);
  transform: skewX(-24deg);
  transform-origin: left center;
}
.page-contact .contact-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0 0 1.1rem;
}
.page-contact .contact-hero__lead {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 34em;
  margin: 0;
}

/* 联系渠道卡片 */
.page-contact .contact-hero__channels {
  display: grid;
  gap: 0.9rem;
}
.page-contact .contact-channel {
  background: linear-gradient(96deg, rgba(0, 255, 136, 0.07), transparent 46%), var(--contact-panel);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--accent-green);
  padding: 1.1rem 1.3rem;
  position: relative;
}
.page-contact .contact-channel::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, transparent 50%, rgba(0, 255, 136, 0.35) 50%);
}
.page-contact .contact-channel--phone {
  background: linear-gradient(96deg, rgba(255, 107, 53, 0.08), transparent 46%), var(--contact-panel);
  border-left-color: var(--accent-orange);
}
.page-contact .contact-channel--phone::after {
  background: linear-gradient(135deg, transparent 50%, rgba(255, 107, 53, 0.3) 50%);
}
.page-contact .contact-channel--address {
  background: var(--contact-panel);
  border-left-color: transparent;
}
.page-contact .contact-channel__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.45rem;
}
.page-contact .contact-channel__value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--ink-bold);
  line-height: 1.4;
  margin: 0 0 0.35rem;
  word-break: break-word;
}
.page-contact .contact-channel__note {
  font-size: 0.85rem;
  color: var(--ink-dim);
  line-height: 1.5;
  margin: 0;
}

/* 首屏图片 */
.page-contact .contact-hero__media {
  margin: 0;
  position: relative;
}
.page-contact .contact-hero__frame {
  border: 1px solid var(--line-light);
  padding: 0.6rem;
  background: var(--bg-space);
}
.page-contact .contact-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .contact-hero__caption {
  margin: 0.8rem 0 0;
  padding: 0.6rem 0 0.6rem 1rem;
  border-left: 3px solid var(--accent-orange);
  font-size: 0.82rem;
  color: var(--ink-dim);
  line-height: 1.6;
}

/* 通用章节 */
.page-contact .contact-section {
  border-top: 1px solid var(--line-light);
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: clamp(2.2rem, 5vw, 3.5rem);
}
.page-contact .contact-section__head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}
.page-contact .contact-section__index {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 0.9;
  color: var(--accent-orange);
  flex: 0 0 auto;
  width: 1.4em;
}
.page-contact .contact-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.15;
  margin: 0 0 0.5rem;
}
.page-contact .contact-section__lead {
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0;
  max-width: 38em;
}

/* 意见反馈 */
.page-contact .contact-feedback__layout {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}
.page-contact .contact-subtitle {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 0 0 1.1rem;
  color: var(--ink-bold);
}
.page-contact .contact-feature-intro {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 1rem;
}
.page-contact .contact-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .contact-feature-list li {
  padding: 0.75rem 0 0.75rem 2rem;
  border-bottom: 1px solid var(--contact-line);
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
  position: relative;
}
.page-contact .contact-feature-list li::before {
  content: "";
  position: absolute;
  left: 0.4rem;
  top: 1.08rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--accent-green);
  transform: rotate(45deg);
}
.page-contact .contact-feedback__tip {
  margin: 1.4rem 0 0;
  color: var(--ink-dim);
  font-size: 0.88rem;
  line-height: 1.6;
}
.page-contact .contact-feedback__tip a,
.page-contact .contact-partner__cta-note a {
  color: var(--accent-green);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-green);
}
.page-contact .contact-feedback__tip a:hover,
.page-contact .contact-partner__cta-note a:hover {
  color: var(--ink-bold);
  border-bottom-color: var(--accent-green);
}

/* 邮件标题模板卡片 */
.page-contact .contact-feedback__compose {
  background: var(--contact-panel);
  border: 1px solid var(--line-light);
  padding: 1.5rem 1.5rem 1.3rem;
  position: relative;
}
.page-contact .contact-feedback__compose::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-green), transparent 70%);
}
.page-contact .contact-compose__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin: 0 0 1.1rem;
}
.page-contact .contact-compose__rows {
  margin: 0;
}
.page-contact .contact-compose__row {
  display: grid;
  grid-template-columns: 4.2em 1fr;
  gap: 0.8rem;
  padding: 0.85rem 0;
  border-bottom: 1px dashed var(--contact-line);
}
.page-contact .contact-compose__row:last-of-type {
  border-bottom: 0;
}
.page-contact .contact-compose__row dt {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-dim);
  padding-top: 0.15rem;
}
.page-contact .contact-compose__row dd {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.6;
}
.page-contact .contact-compose__row:first-of-type dd {
  font-family: var(--font-mono);
  color: var(--accent-green);
  word-break: break-all;
}
.page-contact .contact-compose__note {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-dim);
  line-height: 1.6;
}

/* 商务合作 */
.page-contact .contact-partner__grid {
  display: grid;
  gap: 1rem;
}
.page-contact .contact-partner__card {
  background: var(--contact-panel);
  border: 1px solid var(--line-light);
  padding: clamp(1.3rem, 3vw, 1.8rem);
  position: relative;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-contact .contact-partner__card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, transparent 50%, rgba(0, 255, 136, 0.32) 50%);
}
.page-contact .contact-partner__card:hover {
  transform: translateY(-4px);
  border-color: var(--line-green);
}
.page-contact .contact-partner__card h3 {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  margin: 0 0 0.55rem;
  color: var(--ink-bold);
}
.page-contact .contact-partner__card p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0;
}

/* 合作 CTA */
.page-contact .contact-partner__cta {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
  padding: clamp(1.4rem, 3vw, 2rem);
  background: linear-gradient(120deg, rgba(255, 107, 53, 0.16), rgba(0, 255, 136, 0.05) 70%);
  border: 1px solid rgba(255, 107, 53, 0.35);
  position: relative;
}
.page-contact .contact-partner__cta-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin: 0 0 0.4rem;
}
.page-contact .contact-partner__cta-mail {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  color: var(--accent-green);
  margin: 0 0 0.7rem;
  word-break: break-all;
}
.page-contact .contact-partner__cta-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0;
}

/* 找到我们 */
.page-contact .contact-location__body {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.page-contact .contact-location__info {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.page-contact .contact-location__text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.7;
}
.page-contact .contact-location__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-dim);
}
.page-contact .contact-location__map-wrap {
  position: relative;
  border: 1px solid var(--line-light);
  background: var(--bg-space);
  padding: 0.5rem;
  margin: 0;
}
.page-contact .contact-location__map-wrap::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 34px;
  height: 34px;
  border-left: 3px solid var(--accent-orange);
  border-top: 3px solid var(--accent-orange);
}
.page-contact .contact-location__map-wrap img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 中等屏：反馈双栏 + 合作双卡 */
@media (min-width: 720px) {
  .page-contact .contact-feedback__layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
  .page-contact .contact-partner__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* 宽屏：非对称布局 */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 11fr) minmax(0, 8fr);
    column-gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }
  .page-contact .contact-hero__intro {
    grid-column: 1;
    padding-top: 0.8rem;
  }
  .page-contact .contact-hero__channels {
    grid-column: 1;
  }
  .page-contact .contact-hero__media {
    grid-column: 2;
    grid-row: 1 / 3;
    margin-top: 2.8rem;
  }
  .page-contact .contact-location__body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: center;
  }
}