.page-contact {
  --contact-line: rgba(140, 151, 147, 0.22);
  --contact-line-soft: rgba(140, 151, 147, 0.14);
  --contact-paper-line: rgba(27, 20, 16, 0.16);
  --contact-lime-wash: rgba(200, 255, 61, 0.06);
  background: var(--ink);
  color: var(--text-dim);
  font-family: var(--font-sans);
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.5vw, 40px) 0 clamp(34px, 6vw, 68px);
  background:
    radial-gradient(120% 100% at 88% -20%, rgba(200, 255, 61, 0.16), transparent 58%),
    linear-gradient(168deg, var(--ink-2) 0%, var(--ink) 78%);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(140, 151, 147, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140, 151, 147, 0.07) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(120% 90% at 78% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 78% 0%, #000 0%, transparent 72%);
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-contact .contact-hero-copy h1 {
  margin: 14px 0 18px;
  font-size: clamp(32px, 6.4vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
  max-width: 16ch;
}

.page-contact .contact-lede {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.62;
  color: var(--text-dim);
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-hero-card {
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--lime);
}

.page-contact .contact-hero-card .overline-note {
  color: var(--ruby);
  letter-spacing: 0.16em;
  margin: 0 0 6px;
}

.page-contact .hero-quicklist {
  margin: 0;
}

.page-contact .hero-quick {
  padding: 13px 0;
  border-bottom: 1px dashed var(--contact-paper-line);
}

.page-contact .hero-quick:last-child {
  border-bottom: none;
}

.page-contact .hero-quick dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .hero-quick dd {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--espresso);
  overflow-wrap: anywhere;
}

.page-contact .hero-quick dd.quick-mono {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  user-select: all;
}

.page-contact .hero-quick-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--mist);
}

/* 通用章节 */
.page-contact .contact-section {
  padding: clamp(34px, 5.5vw, 66px) 0;
}

.page-contact .contact-section--band {
  background: linear-gradient(180deg, rgba(11, 47, 39, 0.9) 0%, rgba(7, 33, 27, 0.96) 100%);
  border-top: 1px solid var(--contact-line-soft);
  border-bottom: 1px solid var(--contact-line-soft);
}

.page-contact .contact-section-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .section-title {
  margin: 10px 0 10px;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--white);
}

.page-contact .section-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* 类型胶囊带 */
.page-contact .type-strip {
  display: flex;
  gap: 10px;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  padding: 4px 0 12px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .type-chip {
  flex: 0 0 auto;
  padding: 9px 17px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--lime-line);
  background: var(--contact-lime-wash);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

/* 类型卡片 */
.page-contact .type-grid {
  display: grid;
  gap: 16px;
}

.page-contact .type-card {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--contact-line-soft);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .type-card:hover {
  border-color: var(--lime-line);
  transform: translateY(-3px);
}

.page-contact .type-card .tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-contact .type-card .card-title {
  margin: 0 0 10px;
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.35;
  font-weight: 700;
  color: var(--white);
}

.page-contact .type-card .card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
  color: var(--text-dim);
}

/* 流程与联系信息分屏 */
.page-contact .split {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-contact .flow-media {
  margin-bottom: clamp(22px, 3vw, 34px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--contact-line-soft);
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-contact .flow-step {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 30px) 62px;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 42px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--lime-line), rgba(140, 151, 147, 0.12));
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--lime-line);
  background: var(--ink-3);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-contact .flow-title {
  margin: 6px 0 8px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  color: var(--white);
}

.page-contact .flow-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
  color: var(--text-dim);
}

.page-contact .flow-materials {
  margin: 12px 0 0;
  padding: 12px 16px;
  list-style: none;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(200, 255, 61, 0.26);
  background: var(--contact-lime-wash);
}

.page-contact .flow-materials li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .flow-materials li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--lime);
}

/* 右侧联系信息卡 */
.page-contact .contact-aside {
  align-self: start;
}

.page-contact .contact-card {
  padding: clamp(22px, 2.6vw, 30px);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--lime);
}

.page-contact .contact-card .overline-note {
  margin: 0 0 4px;
  color: var(--ruby);
  letter-spacing: 0.16em;
}

.page-contact .contact-card-title {
  margin: 6px 0 12px;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.24;
  font-weight: 800;
  color: var(--espresso);
}

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

.page-contact .contact-item {
  padding: 13px 0;
  border-bottom: 1px dashed var(--contact-paper-line);
}

.page-contact .contact-item:last-child {
  border-bottom: none;
}

.page-contact .contact-item dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .contact-item dd {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--espresso);
  overflow-wrap: anywhere;
}

.page-contact .contact-item--mono dd {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  user-select: all;
}

.page-contact .contact-note-text {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--contact-paper-line);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .card-btn {
  margin-top: 16px;
}

/* 到访提示 */
.page-contact .visit-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
}

.page-contact .visit-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--contact-line-soft);
}

.page-contact .visit-copy .section-title {
  margin-bottom: 18px;
}

.page-contact .visit-folds,
.page-contact .faq-list {
  display: grid;
  gap: 10px;
}

/* 折叠面板 */
.page-contact .fold {
  padding: 14px 18px;
  border: 1px solid var(--contact-line-soft);
  border-radius: var(--radius-md);
  background: rgba(11, 47, 39, 0.62);
  transition: border-color 0.3s var(--ease);
}

.page-contact .fold:hover {
  border-color: var(--lime-line);
}

.page-contact .fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--white);
}

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

.page-contact .fold summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

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

.page-contact .fold p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-contact .fold a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .fold a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* 平板 */
@media (min-width: 720px) {
  .page-contact .type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .visit-folds,
  .page-contact .faq-list {
    gap: 12px;
  }
}

/* 桌面 */
@media (min-width: 980px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    align-items: start;
  }

  .page-contact .contact-hero-card {
    margin-top: 6px;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .type-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .split {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 96px;
  }
}

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

  .page-contact .type-card:hover {
    transform: none;
  }
}