.page-contact {
  --pc-line-ink: rgba(10, 12, 18, 0.16);
  --pc-pad-y: 56px;
  background: var(--yb-deep);
  color: var(--yb-paper);
  overflow-x: hidden;
}

.page-contact .yb-crumbs {
  padding-top: 18px;
}

.page-contact .contact-overline {
  margin: 0 0 14px;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yb-orange);
}

.page-contact .contact-overline--ink {
  color: var(--yb-orange-deep);
}

/* ── 首屏 ───────────────────────────── */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--yb-line);
  background:
    radial-gradient(110% 80% at 82% 6%, rgba(255, 106, 26, 0.3), transparent 62%),
    linear-gradient(158deg, var(--yb-teal) 0%, var(--yb-deep) 74%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(198, 210, 227, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198, 210, 227, 0.07) 1px, transparent 1px);
  background-size: 52px 52px;
}

.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: 34px;
  padding-top: 34px;
  padding-bottom: 52px;
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-size: clamp(34px, 8vw, 64px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--yb-paper);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--yb-silver);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--yb-line-strong);
  background: var(--yb-deep-2);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(140deg, rgba(255, 77, 46, 0.22), transparent 58%);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* ── 三条联系路径 ───────────────────── */
.page-contact .contact-channels {
  padding: var(--pc-pad-y) 0 0;
}

.page-contact .contact-channels__title {
  margin: 0 0 26px;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 1px;
  background: var(--yb-line);
  border: 1px solid var(--yb-line);
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 28px;
  background: var(--yb-deep-2);
}

.page-contact .contact-channel--mail {
  border-top: 2px solid var(--yb-orange);
}

.page-contact .contact-channel--phone {
  border-top: 2px solid var(--yb-lime);
}

.page-contact .contact-channel--addr {
  border-top: 2px solid var(--yb-amber-tag);
}

.page-contact .contact-channel__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yb-lime);
}

.page-contact .contact-channel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yb-lime);
  box-shadow: 0 0 0 4px rgba(184, 255, 69, 0.14);
}

.page-contact .contact-channel__index {
  margin: 0;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--yb-silver);
}

.page-contact .contact-channel__name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--yb-paper);
}

.page-contact .contact-channel__value {
  display: block;
  padding-bottom: 10px;
  font-family: var(--yb-mono);
  font-size: clamp(15px, 4.2vw, 19px);
  line-height: 1.4;
  color: var(--yb-paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--yb-line-strong);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-channel__value:hover,
.page-contact .contact-channel__value:focus-visible {
  color: var(--yb-orange);
  border-color: var(--yb-orange);
}

.page-contact .contact-channel--phone .contact-channel__value {
  font-size: clamp(20px, 6vw, 30px);
  letter-spacing: 0.01em;
}

.page-contact .contact-channel__value--addr {
  font-family: var(--yb-sans);
  font-weight: 600;
  font-size: 17px;
}

.page-contact .contact-channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yb-silver);
}

/* ── 邮件优先 ───────────────────────── */
.page-contact .contact-mail {
  margin-top: var(--pc-pad-y);
  padding: var(--pc-pad-y) 0;
  border-top: 1px solid var(--yb-line);
  border-bottom: 1px solid var(--yb-line);
  background: var(--yb-indigo);
}

.page-contact .contact-mail__inner {
  display: grid;
  gap: 30px;
}

.page-contact .contact-mail__text {
  margin: 0;
  max-width: 44em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--yb-paper);
}

.page-contact .contact-mail__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--yb-line);
  border: 1px solid var(--yb-line);
}

.page-contact .contact-mail__list li {
  position: relative;
  padding: 14px 16px 14px 42px;
  background: rgba(10, 27, 61, 0.55);
  font-size: 16px;
  line-height: 1.65;
  color: var(--yb-paper);
}

.page-contact .contact-mail__list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 21px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--yb-orange);
  transform: rotate(45deg);
}

.page-contact .contact-mail__aside {
  padding: 24px 22px;
  border: 1px solid var(--yb-line-strong);
  background: var(--yb-deep-2);
}

.page-contact .contact-mail__aside-title {
  margin: 0 0 16px;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--yb-amber-tag);
}

.page-contact .contact-mail__steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-mail__steps li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--yb-silver);
}

.page-contact .contact-mail__steps span {
  flex: none;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--yb-mono);
  font-size: 12px;
  color: var(--yb-ink);
  background: var(--yb-amber-tag);
}

.page-contact .contact-mail__cta {
  display: block;
  width: 100%;
  text-align: center;
}

/* ── 电话与地址 ─────────────────────── */
.page-contact .contact-locate {
  padding: var(--pc-pad-y) 0;
  background: var(--yb-paper);
  color: var(--yb-ink);
}

.page-contact .contact-locate__inner {
  display: grid;
  gap: 30px;
}

.page-contact .contact-locate__title {
  margin: 0 0 16px;
  color: var(--yb-ink);
}

.page-contact .contact-locate__intro {
  margin: 0 0 28px;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.75;
  color: #2a3446;
}

.page-contact .contact-locate__list {
  margin: 0;
  display: grid;
}

.page-contact .contact-locate__item {
  padding: 16px 0 18px;
  border-top: 1px solid var(--pc-line-ink);
}

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

.page-contact .contact-locate__item dt {
  margin: 0 0 8px;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #5a6577;
}

.page-contact .contact-locate__item dd {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--yb-ink);
}

.page-contact .contact-locate__phone {
  font-family: var(--yb-mono);
  font-size: clamp(26px, 7vw, 40px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--yb-orange-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--yb-orange);
}

.page-contact .contact-locate__addr {
  font-size: 19px;
}

.page-contact .contact-locate__figure {
  margin: 0;
  border: 1px solid var(--pc-line-ink);
}

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

/* ── 数据纠错 ───────────────────────── */
.page-contact .contact-fix {
  padding: var(--pc-pad-y) 0;
  border-top: 1px solid var(--yb-line);
  background: var(--yb-deep);
}

.page-contact .contact-fix__lead {
  margin: 0 0 30px;
  max-width: 46em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--yb-silver);
}

.page-contact .contact-fix__grid {
  display: grid;
  gap: 1px;
  background: var(--yb-line);
  border: 1px solid var(--yb-line);
}

.page-contact .contact-fix__card {
  padding: 24px 20px 26px;
  background: var(--yb-deep-2);
}

.page-contact .contact-fix__num {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 8px;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--yb-amber-tag);
  border: 1px solid rgba(255, 194, 75, 0.45);
}

.page-contact .contact-fix__card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--yb-paper);
}

.page-contact .contact-fix__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yb-silver);
}

.page-contact .contact-fix__note {
  margin: 28px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--yb-lime);
  background: rgba(12, 74, 72, 0.5);
  font-size: 15px;
  line-height: 1.7;
  color: var(--yb-paper);
}

.page-contact .contact-fix__note a {
  color: var(--yb-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 255, 69, 0.5);
}

/* ── 合作与媒体 ─────────────────────── */
.page-contact .contact-partner {
  padding: var(--pc-pad-y) 0;
  border-top: 1px solid var(--yb-line);
  background: linear-gradient(120deg, var(--yb-wine) 0%, var(--yb-deep) 100%);
}

.page-contact .contact-partner__lead {
  margin: 0 0 30px;
  max-width: 46em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--yb-paper);
}

.page-contact .contact-partner__grid {
  display: grid;
  gap: 1px;
  background: rgba(255, 194, 75, 0.24);
  border: 1px solid rgba(255, 194, 75, 0.24);
}

.page-contact .contact-partner__item {
  padding: 24px 22px 26px;
  background: rgba(10, 12, 18, 0.3);
}

.page-contact .contact-partner__item h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--yb-amber-tag);
}

.page-contact .contact-partner__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yb-silver);
}

.page-contact .contact-partner__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yb-silver);
}

.page-contact .contact-partner__link {
  color: var(--yb-lime);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 255, 69, 0.5);
}

/* ── 处理过程 ───────────────────────── */
.page-contact .contact-flow {
  padding: var(--pc-pad-y) 0;
  border-top: 1px solid var(--yb-line);
  background: var(--yb-teal);
}

.page-contact .contact-flow__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(184, 255, 69, 0.2);
  border: 1px solid rgba(184, 255, 69, 0.2);
}

.page-contact .contact-flow__step {
  padding: 26px 22px 30px;
  background: var(--yb-teal);
}

.page-contact .contact-flow__step::before {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin-bottom: 18px;
  background: var(--yb-grad);
}

.page-contact .contact-flow__index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--yb-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--yb-lime);
}

.page-contact .contact-flow__name {
  margin: 0 0 10px;
  font-size: 20px;
  color: var(--yb-paper);
}

.page-contact .contact-flow__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--yb-silver);
}

/* ── 常见场景 ───────────────────────── */
.page-contact .contact-scenes {
  padding: var(--pc-pad-y) 0 64px;
  background: var(--yb-paper);
  color: var(--yb-ink);
}

.page-contact .contact-scenes__title {
  margin: 0 0 26px;
  color: var(--yb-ink);
}

.page-contact .contact-scenes__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 26px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--pc-line-ink);
  -webkit-overflow-scrolling: touch;
}

.page-contact .contact-scenes__tab {
  flex: none;
  padding: 12px 18px;
  font-family: var(--yb-sans);
  font-size: 15px;
  font-weight: 600;
  color: #2a3446;
  white-space: nowrap;
  background: transparent;
  border: 1px solid rgba(10, 12, 18, 0.22);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.page-contact .contact-scenes__tab[aria-selected="true"] {
  color: var(--yb-paper);
  background: var(--yb-deep);
  border-color: var(--yb-deep);
  box-shadow: inset 0 3px 0 var(--yb-orange);
}

.page-contact .contact-scenes__panel {
  padding: 28px 24px;
  border: 1px solid var(--pc-line-ink);
  background: #fbfcfe;
}

.page-contact .contact-scenes__panel[hidden] {
  display: none;
}

.page-contact .contact-scenes__panel + .contact-scenes__panel {
  margin-top: 16px;
}

.page-contact .contact-scenes__panel h3 {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--yb-ink);
}

.page-contact .contact-scenes__panel p {
  margin: 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.75;
  color: #2a3446;
}

.page-contact .contact-scenes__panel a {
  color: var(--yb-orange-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 67, 10, 0.45);
}

/* ── 栅格与响应式 ───────────────────── */
@media (min-width: 720px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (min-width: 900px) {
  .page-contact {
    --pc-pad-y: 80px;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 56px;
    padding-top: 56px;
    padding-bottom: 84px;
  }

  .page-contact .contact-mail__inner {
    grid-template-columns: 1.35fr 0.65fr;
    gap: 48px;
  }

  .page-contact .contact-locate__inner {
    grid-template-columns: 1fr 0.82fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .contact-flow__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-fix__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel__value,
  .page-contact .contact-scenes__tab {
    transition: none;
  }
}