.page-contact {
  --c-coral-ink: #D0401C;
  --c-gap: 26px;
  display: block;
  background: var(--sea);
  color: var(--paper);
}

/* ============ 面包屑（限定作用域） ============ */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 26px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(195, 210, 227, 0.7);
}

.page-contact .breadcrumb__item a {
  color: var(--ice);
  text-decoration: none;
}

.page-contact .breadcrumb__item a:hover {
  text-decoration: underline;
}

/* ============ 首屏 ============ */
.page-contact .c-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 52px;
  background:
    radial-gradient(760px 420px at 92% -6%, rgba(255, 107, 74, 0.18), transparent 62%),
    radial-gradient(620px 380px at 4% 100%, rgba(127, 200, 248, 0.14), transparent 66%),
    linear-gradient(158deg, var(--sea) 0%, var(--sea-deep) 100%);
  border-bottom: 4px solid var(--coral);
}

.page-contact .c-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(244, 247, 251, 0.03) 0 1px,
    transparent 1px 5px
  );
}

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

.page-contact .c-hero__split {
  display: grid;
  gap: var(--c-gap);
  align-items: center;
}

.page-contact .c-hero__eyebrow {
  margin: 0 0 14px;
  padding-left: 10px;
  border-left: 3px solid var(--coral);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-contact .c-hero__title {
  margin: 0 0 16px;
  max-width: 18ch;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(28px, 6.4vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .c-hero__lede {
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(244, 247, 251, 0.8);
}

.page-contact .c-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .c-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--sea-deep);
}

.page-contact .c-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .c-hero__caption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: rgba(195, 210, 227, 0.74);
}

/* ============ 主体两栏 ============ */
.page-contact .c-main {
  padding: 44px 0 56px;
  background:
    radial-gradient(900px 520px at 108% 6%, rgba(61, 224, 160, 0.055), transparent 60%),
    var(--sea);
}

.page-contact .c-main__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-contact .c-stick {
  min-width: 0;
}

/* --- 联系方式卡 --- */
.page-contact .c-card {
  position: relative;
  overflow: hidden;
  padding: 24px 20px 22px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(7, 26, 46, 0.98) 0%, rgba(11, 42, 74, 0.92) 100%);
  box-shadow: 0 24px 50px -36px rgba(0, 0, 0, 0.92);
}

.page-contact .c-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--coral) 0%, var(--ice) 100%);
}

.page-contact .c-card__label {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-contact .c-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.4vw, 25px);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .c-lines {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
}

.page-contact .c-lines li {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .c-lines li:first-child {
  padding-top: 0;
}

.page-contact .c-lines__k {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice);
}

.page-contact .c-lines__v {
  font-family: var(--font-num);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .c-lines__v--addr {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-contact .c-card__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(195, 210, 227, 0.8);
}

.page-contact .c-card__icp {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .c-rhythm {
  margin-top: 18px;
}

.page-contact .c-rhythm__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-contact .c-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .c-rhythm__list li {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 8px 0;
  font-size: 14px;
  color: rgba(244, 247, 251, 0.9);
}

.page-contact .c-rhythm__list li::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line-strong);
}

.page-contact .c-rhythm__list li:first-child::before {
  top: 50%;
}

.page-contact .c-rhythm__list li:last-child::before {
  bottom: 50%;
}

.page-contact .c-rhythm__n {
  position: relative;
  z-index: 1;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sea-deep);
  border: 1px solid var(--ice);
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--ice);
}

.page-contact .c-rhythm__list li:last-child .c-rhythm__n {
  border-color: var(--neon);
  color: var(--neon);
}

/* ============ 右栏纵列 ============ */
.page-contact .c-flow {
  display: grid;
  gap: 46px;
  min-width: 0;
}

.page-contact .c-sec {
  min-width: 0;
}

.page-contact .c-sec__num {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-contact .c-sec__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(23px, 4.4vw, 33px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .c-sec__note {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(195, 210, 227, 0.8);
}

.page-contact .c-sec--paper {
  padding: 26px 20px 28px;
  border: 1px solid rgba(195, 210, 227, 0.5);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #F8FBFF 0%, var(--paper) 100%);
  box-shadow: 0 22px 46px -40px rgba(7, 26, 46, 0.6);
}

.page-contact .c-sec--paper .c-sec__num {
  color: var(--c-coral-ink);
}

.page-contact .c-sec--paper .c-sec__title {
  color: var(--ink);
}

.page-contact .c-sec--paper .c-sec__note {
  color: rgba(10, 16, 23, 0.68);
}

/* --- 三类问题 --- */
.page-contact .c-cases {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .c-case {
  position: relative;
  padding: 20px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(170deg, rgba(11, 42, 74, 0.7), rgba(7, 26, 46, 0.86));
  transition: transform 0.28s ease, border-color 0.28s ease;
}

.page-contact .c-sec--paper .c-case {
  background: #FFFFFF;
  border-color: rgba(11, 42, 74, 0.14);
  box-shadow: 0 14px 32px -28px rgba(11, 42, 74, 0.55);
}

.page-contact .c-case:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 107, 74, 0.55);
}

.page-contact .c-case__num {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 12px 3px 10px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--sea-deep);
  background: var(--coral);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-contact .c-case__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .c-sec--paper .c-case__title {
  color: var(--ink);
}

.page-contact .c-case p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(195, 210, 227, 0.82);
}

.page-contact .c-sec--paper .c-case p {
  color: rgba(10, 16, 23, 0.7);
}

.page-contact .c-case .c-case__need {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(195, 210, 227, 0.3);
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-contact .c-sec--paper .c-case .c-case__need {
  border-top-color: rgba(11, 42, 74, 0.16);
  color: var(--sea);
}

/* --- 反馈流程时间线 --- */
.page-contact .c-track {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .c-track__step {
  position: relative;
  padding: 0 0 28px 48px;
}

.page-contact .c-track__step:last-child {
  padding-bottom: 0;
}

.page-contact .c-track__step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 36px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--ice), rgba(127, 200, 248, 0.12));
}

.page-contact .c-track__step:last-child::before {
  display: none;
}

.page-contact .c-track__dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--ice);
  background: var(--sea-deep);
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--ice);
}

.page-contact .c-track__step:last-child .c-track__dot {
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: 0 0 0 4px rgba(61, 224, 160, 0.12);
}

.page-contact .c-track__title {
  margin: 3px 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .c-track__step p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(195, 210, 227, 0.8);
}

/* --- 服务范围 --- */
.page-contact .c-scope {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-contact .c-scope__extra {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--coral);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(10, 16, 23, 0.7);
}

.page-contact .c-figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.page-contact .c-fig {
  padding-top: 12px;
  border-top: 2px solid var(--coral);
}

.page-contact .c-fig__v {
  display: block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.1;
  color: var(--sea);
}

.page-contact .c-fig__l {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(10, 16, 23, 0.62);
}

.page-contact .c-scope__figure {
  margin: 0;
  border: 1px solid rgba(11, 42, 74, 0.14);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .c-scope__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* --- 常见场景 --- */
.page-contact .c-scenes {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .c-scene {
  position: relative;
  padding: 20px 18px 20px 22px;
  border-left: 3px solid var(--coral);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(
    96deg,
    rgba(255, 107, 74, 0.12) 0%,
    rgba(11, 42, 74, 0.26) 46%,
    rgba(7, 26, 46, 0.1) 100%
  );
}

.page-contact .c-scene .c-scene__tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 12px 3px 10px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--sea-deep);
  background: var(--coral);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-contact .c-scene__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17.5px;
  line-height: 1.42;
  color: var(--paper);
}

.page-contact .c-scene p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(195, 210, 227, 0.82);
}

/* ============ 收尾 ============ */
.page-contact .c-close {
  padding: 44px 0 20px;
  background: var(--sea-deep);
  border-top: 1px solid var(--line);
}

.page-contact .c-close__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-contact .c-close__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.8vw, 28px);
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .c-close__copy p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(195, 210, 227, 0.8);
}

.page-contact .c-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .c-close__foot {
  display: flex;
  justify-content: flex-end;
  margin-top: 26px;
}

/* ============ 响应式 ============ */
@media (min-width: 620px) {
  .page-contact .c-cases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .c-hero {
    padding: 36px 0 64px;
  }

  .page-contact .c-hero__split {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
  }

  .page-contact .c-close__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1024px) {
  .page-contact .c-main {
    padding: 60px 0 76px;
  }

  .page-contact .c-main__grid {
    grid-template-columns: 356px minmax(0, 1fr);
    gap: 48px;
  }

  .page-contact .c-stick {
    position: sticky;
    top: 36px;
  }

  .page-contact .c-flow {
    gap: 56px;
  }

  .page-contact .c-sec--paper {
    padding: 30px 28px 32px;
  }
}

@media (min-width: 1100px) {
  .page-contact .c-scope {
    grid-template-columns: minmax(0, 1fr) 0.86fr;
  }
}

@media (min-width: 1280px) {
  .page-contact .c-cases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 400px) {
  .page-contact .c-lines__v {
    font-size: 13.5px;
  }

  .page-contact .c-figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .c-figures .c-fig:last-child {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-case {
    transition: none;
  }

  .page-contact .c-case:hover {
    transform: none;
  }
}