.page-contact {
  --contact-gap: 16px;
  position: relative;
  overflow-x: clip;
}

/* ---------- 首屏：联络卡矩阵 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 56px;
  background: linear-gradient(170deg, #071223 0%, #0F2647 88%);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(115% 85% at 12% 0%, rgba(198, 255, 61, 0.16), transparent 58%),
    linear-gradient(180deg, rgba(7, 18, 35, 0.45) 0%, rgba(7, 18, 35, 0.94) 72%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero__eyebrow {
  margin-top: 22px;
  color: var(--accent);
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-size: clamp(31px, 7.2vw, 58px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 20ch;
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .contact-cards {
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-card {
  display: flex;
  min-width: 0;
}

.page-contact .contact-card__inner {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

/* 主卡：斜切右上角 + 荧光绿描边 */
.page-contact .contact-card--primary {
  background: var(--accent);
  padding: 2px;
  border-radius: 0;
  clip-path: polygon(0 0, calc(100% - 46px) 0, 100% 46px, 100% 100%, 0 100%);
  box-shadow: 0 22px 52px rgba(3, 9, 20, 0.55);
}

.page-contact .contact-card--primary .contact-card__inner {
  clip-path: polygon(0 0, calc(100% - 44px) 0, 100% 44px, 100% 100%, 0 100%);
  background: linear-gradient(158deg, #12305A 0%, #071223 100%);
  padding: 26px 24px 30px;
}

/* 辅卡：柔和圆角 + 斜向错位 */
.page-contact .contact-card--plain {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(15, 38, 71, 0.76);
  backdrop-filter: blur(6px);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.page-contact .contact-card--plain .contact-card__inner {
  padding: 22px 20px 24px;
}

.page-contact .contact-card--plain:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.page-contact .contact-card__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.page-contact .contact-card--plain .contact-card__label {
  color: var(--warm);
}

.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 2.4vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-muted);
}

/* ---------- 通用章节 ---------- */

.page-contact .contact-section {
  position: relative;
  padding: 64px 0;
}

.page-contact .contact-section__title {
  margin: 10px 0 0;
  font-size: clamp(23px, 4.4vw, 34px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--text);
  max-width: 22ch;
}

.page-contact .contact-section__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--text-muted);
}

/* ---------- 01 咨询范围 ---------- */

.page-contact .ask-grid {
  display: grid;
  gap: var(--contact-gap);
  margin-top: 34px;
}

.page-contact .ask-item {
  position: relative;
  min-width: 0;
  padding: 24px 22px 26px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(29, 63, 115, 0.95);
  background: linear-gradient(152deg, rgba(29, 63, 115, 0.5) 0%, rgba(11, 24, 44, 0.94) 100%);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.page-contact .ask-item::after {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 46px;
  height: 3px;
  background: var(--accent);
}

.page-contact .ask-item:hover {
  transform: translateY(-4px);
  border-color: rgba(198, 255, 61, 0.45);
}

.page-contact .ask-item__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.page-contact .ask-item__title {
  margin: 10px 0 8px;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
}

.page-contact .ask-item__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--text-muted);
}

/* ---------- 02 渠道选择（浅底阅读区） ---------- */

.page-contact .contact-band--light {
  background: var(--light-bg);
  color: var(--light-text);
  border-top: 1px solid var(--light-line);
  border-bottom: 1px solid var(--light-line);
}

.page-contact .contact-band--light .contact-section__title {
  color: var(--light-text);
}

.page-contact .contact-band--light .contact-section__lead {
  color: var(--light-muted);
}

.page-contact .contact-band--light .eyebrow,
.page-contact .contact-band--light .index-number {
  color: var(--accent-ink);
}

.page-contact .channel-list {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.page-contact .channel-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: 24px 22px 26px;
  background: #ffffff;
  border: 1px solid var(--light-line);
  border-radius: var(--radius-lg);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.page-contact .channel-row:hover {
  transform: translateY(-4px);
  border-color: var(--accent-ink);
  box-shadow: 0 16px 34px rgba(12, 21, 32, 0.09);
}

.page-contact .channel-row__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-ink);
}

.page-contact .channel-row__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--light-text);
}

.page-contact .channel-row__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--light-muted);
}

/* ---------- 03 响应节奏 ---------- */

.page-contact .rhythm-steps {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.page-contact .rhythm-step {
  min-width: 0;
  padding: 22px 20px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  border-left: 3px solid var(--warm);
  background: linear-gradient(150deg, rgba(15, 38, 71, 0.9) 0%, rgba(7, 18, 35, 0.92) 100%);
}

.page-contact .rhythm-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--warm);
}

.page-contact .rhythm-step__title {
  margin: 9px 0 7px;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
}

.page-contact .rhythm-step__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--text-muted);
}

.page-contact .rhythm-step__more {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(29, 63, 115, 0.95);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(198, 255, 61, 0.88);
  max-height: 200px;
  opacity: 1;
  overflow: hidden;
  transition: max-height 0.28s ease, opacity 0.28s ease, margin-top 0.28s ease, padding-top 0.28s ease;
}

.page-contact .rhythm-figure {
  margin: 30px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(15, 38, 71, 0.6);
}

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

.page-contact .rhythm-figure figcaption {
  padding: 14px 18px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  border-top: 1px solid var(--line);
}

/* ---------- 04 内容与数据合作 ---------- */

.page-contact .partner-list {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.page-contact .partner-item {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(50, 32, 79, 0.55) 0%, rgba(11, 24, 44, 0.92) 100%);
  overflow: hidden;
  transition: border-color 0.22s ease;
}

.page-contact .partner-item:hover,
.page-contact .partner-item[open] {
  border-color: rgba(198, 255, 61, 0.45);
}

.page-contact .partner-item__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 18px;
  cursor: pointer;
  list-style: none;
}

.page-contact .partner-item__summary::-webkit-details-marker {
  display: none;
}

.page-contact .partner-item__icon {
  flex: none;
  color: var(--accent);
}

.page-contact .partner-item__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .partner-item__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

.page-contact .partner-item__hint::after {
  content: "+";
  display: inline-block;
  margin-left: 4px;
  font-size: 16px;
  line-height: 1;
}

.page-contact .partner-item[open] .partner-item__hint::after {
  content: "\2212";
}

.page-contact .partner-item__body {
  margin: 0;
  padding: 0 20px 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-muted);
}

/* ---------- 05 联系之前 ---------- */

.page-contact .contact-section--before .section-head {
  margin-bottom: 30px;
}

.page-contact .consult-cta__link {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 14px;
  padding: 26px 24px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(198, 255, 61, 0.3);
  background: linear-gradient(118deg, #0F2647 0%, #071223 68%);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.page-contact .consult-cta__link--ghost {
  border-color: rgba(29, 63, 115, 0.95);
  background: linear-gradient(118deg, rgba(15, 38, 71, 0.72) 0%, rgba(7, 18, 35, 0.92) 70%);
}

.page-contact .consult-cta__link:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.page-contact .consult-cta__text {
  min-width: 0;
}

.page-contact .consult-cta__title {
  display: block;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--text);
}

.page-contact .consult-cta__sub {
  display: block;
  margin-top: 7px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-contact .consult-cta__arrow {
  flex: none;
  margin-left: auto;
  color: var(--accent);
  transition: transform 0.22s ease;
}

.page-contact .consult-cta__link:hover .consult-cta__arrow {
  transform: translateX(6px);
}

.page-contact .consult-cta__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-section {
    padding: 84px 0;
  }

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

  .page-contact .rhythm-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .partner-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 132px 0 72px;
  }

  .page-contact .contact-cards {
    grid-template-columns: 1.66fr 1fr 1fr;
    gap: 18px;
  }

  .page-contact .contact-card--offset {
    margin-top: 28px;
  }

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

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

  /* 桌面端：流程说明默认收起，悬浮或聚焦时展开 */
  .page-contact .rhythm-step__more {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
  }

  .page-contact .rhythm-step:hover .rhythm-step__more,
  .page-contact .rhythm-step:focus-within .rhythm-step__more {
    max-height: 200px;
    opacity: 1;
    margin-top: 12px;
    padding-top: 12px;
    border-top-color: rgba(29, 63, 115, 0.95);
  }

  .page-contact .rhythm-figure {
    margin-top: 36px;
  }

  .page-contact .consult-cta__link {
    padding: 30px 32px;
  }
}

@media (min-width: 1200px) {
  .page-contact .ask-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>