.page-contact {
  --contact-gap: clamp(20px, 3vw, 36px);
  --contact-pad: clamp(22px, 2.6vw, 34px);
}

.page-contact .contact-crumb {
  padding-block-start: clamp(16px, 3vw, 26px);
}

.page-contact .contact-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .contact-crumb .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-contact .contact-crumb .breadcrumb a:hover {
  color: var(--orange-soft);
}

.page-contact .contact-crumb .breadcrumb-sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-block-start: clamp(16px, 3vw, 28px);
  padding-block: clamp(58px, 9vw, 116px);
  background:
    radial-gradient(112% 132% at 84% -16%, rgba(255, 106, 31, 0.30), transparent 58%),
    linear-gradient(165deg, var(--panel) 0%, var(--bg) 74%);
  border-block: 1px solid var(--line);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: 0.26;
  filter: saturate(0.9) contrast(1.05);
}

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

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 16em;
  font-size: clamp(32px, 5.6vw, 58px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-hero__lede {
  max-width: 40em;
  margin: 22px 0 0;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 章节节奏 ---------- */

.page-contact .contact-block {
  padding-block-start: clamp(56px, 7vw, 96px);
}

.page-contact .contact-head {
  max-width: 760px;
}

.page-contact .contact-head--narrow {
  max-width: 620px;
}

.page-contact .contact-head h2,
.page-contact .contact-summary h2 {
  margin: 12px 0 0;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-head__text {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 三条通道说明牌 ---------- */

.page-contact .contact-plates {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  margin-block-start: clamp(28px, 4vw, 46px);
}

.page-contact .contact-plate {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--contact-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--panel-up) 0%, var(--panel) 66%);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.page-contact .contact-plate::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 154, 61, 0));
}

.page-contact .contact-plate:nth-child(2)::before {
  background: linear-gradient(90deg, var(--green), rgba(53, 224, 138, 0));
}

.page-contact .contact-plate:nth-child(3)::before {
  background: linear-gradient(90deg, var(--blue), rgba(77, 163, 255, 0));
}

.page-contact .contact-plate:hover {
  transform: translateY(-4px);
  border-color: #364479;
}

.page-contact .contact-plate__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .contact-plate__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-plate__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--muted);
}

.page-contact .contact-copy {
  align-self: flex-start;
  margin-block-start: auto;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(22, 34, 74, 0.7);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease, background-color 0.25s ease,
    transform 0.25s ease;
}

.page-contact .contact-copy:hover {
  border-color: var(--orange);
  color: var(--orange-soft);
  transform: translateY(-2px);
}

.page-contact .contact-copy:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---------- 两条咨询路径 ---------- */

.page-contact .contact-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 40px);
  margin-block-start: clamp(28px, 4vw, 46px);
}

.page-contact .contact-paths__rule {
  display: none;
}

.page-contact .contact-path {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-contact .contact-path__tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--blue);
  background: rgba(77, 163, 255, 0.1);
}

.page-contact .contact-path--data .contact-path__tag {
  color: var(--green);
  background: rgba(53, 224, 138, 0.1);
}

.page-contact .contact-path h3 {
  margin: 0;
  font-size: clamp(21px, 2.4vw, 27px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .contact-path p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-path .bullets {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .bullets li {
  position: relative;
  padding-inline-start: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .bullets li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--orange);
}

.page-contact .contact-path__foot {
  margin-block-start: 2px;
  padding-block-start: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 内容合作 ---------- */

.page-contact .contact-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-coop__text {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-contact .contact-coop__text h2 {
  margin: 0;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-coop__text p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-coop__text .bullets {
  display: grid;
  gap: 10px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-coop__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-contact .contact-coop__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-coop__figure figcaption {
  padding: 14px 20px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 准备清单 ---------- */

.page-contact .contact-checklist {
  display: grid;
  gap: 14px;
  max-width: 780px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-checklist li {
  position: relative;
}

.page-contact .contact-checklist input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-contact .contact-checklist label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.25s ease, background-color 0.25s ease, transform 0.25s ease;
}

.page-contact .contact-checklist label:hover {
  transform: translateY(-2px);
  border-color: #364479;
}

.page-contact .contact-checklist input:focus-visible + label {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.page-contact .contact-checklist input:checked + label {
  border-color: rgba(53, 224, 138, 0.55);
  background: linear-gradient(180deg, rgba(53, 224, 138, 0.1), rgba(53, 224, 138, 0.02));
}

.page-contact .contact-checklist__num {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-up);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.page-contact .contact-checklist input:checked + label .contact-checklist__num {
  background: var(--green);
  border-color: var(--green);
  color: #06231a;
}

.page-contact .contact-checklist__body {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-contact .contact-checklist__body strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .contact-checklist__hint {
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 联系方式一览 ---------- */

.page-contact .contact-summary {
  max-width: 880px;
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(77, 163, 255, 0.14), transparent 60%),
    linear-gradient(180deg, var(--panel-up), var(--panel));
}

.page-contact .contact-summary__list {
  display: grid;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-contact .contact-summary__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding-block: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-summary__row:last-child {
  border-bottom: 1px solid var(--line);
}

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

.page-contact .contact-summary__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.68;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-summary__note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 链接 ---------- */

.page-contact a:not(.btn) {
  color: var(--blue);
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-contact a:not(.btn):hover {
  color: var(--orange-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .contact-summary__row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-contact .contact-plates {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-paths {
    grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
    gap: 0 clamp(30px, 4vw, 56px);
  }

  .page-contact .contact-paths__rule {
    display: block;
    width: 1px;
    background: linear-gradient(
      180deg,
      transparent,
      var(--line) 16%,
      var(--line) 84%,
      transparent
    );
  }
}

@media (min-width: 940px) {
  .page-contact .contact-coop {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-plate,
  .page-contact .contact-copy,
  .page-contact .contact-checklist label,
  .page-contact .contact-checklist__num,
  .page-contact .contact-summary__row {
    transition: none;
  }

  .page-contact .contact-plate:hover,
  .page-contact .contact-copy:hover,
  .page-contact .contact-checklist label:hover {
    transform: none;
  }
}