.page-contact {
  --contact-gap: clamp(16px, 2.6vw, 28px);
  --contact-hair: rgba(143, 167, 154, .26);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--sage);
}

.page-contact .breadcrumb a {
  color: var(--sage);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .breadcrumb__sep {
  color: var(--line-strong);
}

/* 首屏 */
.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.2vw, 4.2rem);
  line-height: 1.03;
  letter-spacing: -.012em;
  color: var(--white);
  margin: .26em 0 .5em;
  text-wrap: balance;
}

.page-contact .contact-hero {
  padding-top: clamp(26px, 4.6vw, 54px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .contact-hero__lead .section-lede {
  max-width: 40em;
}

.page-contact .contact-hero__jump {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-hero__jump a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px 9px 14px;
  border-radius: var(--pill);
  background: rgba(184, 255, 61, .08);
  border: 1px solid rgba(184, 255, 61, .36);
  color: var(--lime-soft);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .contact-hero__jump a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  flex: none;
  transition: background .2s var(--ease);
}

.page-contact .contact-hero__jump a:hover {
  background: var(--lime);
  color: var(--ink);
  transform: translateY(-1px);
}

.page-contact .contact-hero__jump a:hover::before {
  background: var(--ink);
}

.page-contact .contact-clock {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--contact-hair);
  border-radius: var(--radius-lg);
  background: linear-gradient(152deg, rgba(18, 21, 18, .96), rgba(11, 31, 25, .96));
  box-shadow: var(--shadow-board);
}

.page-contact .contact-clock__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .contact-clock__time {
  margin: 0 0 18px;
  font-size: clamp(1.25rem, 3.4vw, 1.65rem);
  font-weight: 700;
  color: var(--lime);
}

.page-contact .contact-clock__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-clock__list li {
  display: grid;
  grid-template-columns: minmax(76px, auto) minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px dashed var(--contact-hair);
  font-size: .88rem;
  line-height: 1.6;
  color: var(--cream-2);
}

.page-contact .contact-clock__list .mono {
  font-size: .84rem;
  font-weight: 700;
  color: var(--amber);
}

/* 左右分置主体 */
.page-contact .contact-main {
  padding-top: clamp(30px, 4.4vw, 56px);
}

.page-contact .contact-split {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-contact .contact-prep__figure {
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-contact .contact-prep__figure .media-frame {
  border: 1px solid var(--contact-hair);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.page-contact .media-caption {
  margin-top: 10px;
  font-size: .79rem;
  line-height: 1.65;
  color: var(--sage);
}

.page-contact .prep-list {
  display: grid;
  gap: 10px;
}

.page-contact .prep-item {
  border: 1px solid var(--contact-hair);
  border-radius: var(--radius-md);
  background: rgba(18, 21, 18, .55);
  overflow: hidden;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .prep-item[open] {
  border-color: rgba(184, 255, 61, .5);
  background: rgba(11, 31, 25, .88);
}

.page-contact .prep-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px clamp(14px, 2.4vw, 20px);
  font-size: .97rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--white);
  transition: color .2s var(--ease);
}

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

.page-contact .prep-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--lime);
}

.page-contact .prep-item[open] summary::after {
  content: "–";
}

.page-contact .prep-item summary:hover {
  color: var(--lime-soft);
}

.page-contact .prep-item ul {
  list-style: none;
  margin: 0;
  padding: 0 clamp(14px, 2.4vw, 20px) clamp(16px, 2.4vw, 22px);
  display: grid;
  gap: 9px;
}

.page-contact .prep-item li {
  position: relative;
  padding-left: 18px;
  font-size: .89rem;
  line-height: 1.72;
  color: var(--cream-2);
}

.page-contact .prep-item li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 8px;
  height: 1px;
  background: var(--amber);
}

/* 客服联系面板 */
.page-contact .contact-desk {
  border: 1px solid var(--contact-hair);
  border-radius: var(--radius-lg);
  background: var(--charcoal);
  overflow: hidden;
  box-shadow: var(--shadow-board);
}

.page-contact .contact-desk__media {
  border-bottom: 1px solid var(--contact-hair);
}

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

.page-contact .contact-desk__body {
  padding: clamp(20px, 3vw, 32px);
  display: grid;
  gap: clamp(18px, 2.6vw, 24px);
}

.page-contact .contact-desk__title {
  margin: .24em 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
}

.page-contact .contact-item {
  padding-top: clamp(14px, 2vw, 18px);
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-item:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-label {
  margin: 0 0 6px;
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .contact-value {
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.1rem);
  line-height: 1.55;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-value--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.02rem, 2.8vw, 1.32rem);
  font-weight: 700;
  color: var(--lime-soft);
  transition: color .2s var(--ease);
}

.page-contact .contact-value--mono:hover {
  color: var(--lime);
}

.page-contact .contact-note {
  margin: 8px 0 0;
  font-size: .83rem;
  line-height: 1.72;
  color: var(--sage);
}

.page-contact .contact-sla {
  margin-top: 2px;
  padding: clamp(14px, 2.4vw, 20px);
  border: 1px solid rgba(255, 159, 28, .3);
  border-radius: var(--radius-md);
  background: rgba(255, 159, 28, .08);
}

.page-contact .contact-sla__title {
  margin: 0 0 12px;
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
}

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

.page-contact .contact-sla__steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .contact-sla__steps .mono {
  padding-top: .18em;
  font-size: .76rem;
  font-weight: 700;
  color: var(--amber);
}

.page-contact .contact-sla__steps p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.65;
  color: var(--cream-2);
}

/* 合作与纠错 */
.page-contact .contact-coop__head {
  max-width: 44em;
  margin-bottom: clamp(24px, 3.6vw, 36px);
}

.page-contact .coop-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .coop-card {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(36, 28, 22, .18);
  border-top: 3px solid var(--brick);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 246, .74);
}

.page-contact .coop-card--fix {
  border-top-color: var(--amber);
}

.page-contact .coop-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.18rem, 2.6vw, 1.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--brown);
}

.page-contact .coop-card p {
  margin: 0 0 14px;
  font-size: .91rem;
  line-height: 1.78;
  color: var(--brown);
}

.page-contact .coop-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .coop-card li {
  position: relative;
  padding-left: 17px;
  font-size: .87rem;
  line-height: 1.72;
  color: var(--brown);
}

.page-contact .coop-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--brick);
  transform: rotate(45deg);
}

.page-contact .coop-card--fix li::before {
  background: var(--amber);
}

/* 地址与备案 */
.page-contact .contact-register {
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-contact .register-band {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(24px, 3.6vw, 40px) 0;
  border-top: 1px solid var(--contact-hair);
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .register-band__title {
  margin: .2em 0 .7em;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
}

.page-contact .register-band__addr {
  margin: 0;
  font-size: .98rem;
  line-height: 1.75;
  color: var(--cream-2);
}

.page-contact .register-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .register-list div {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid rgba(184, 255, 61, .42);
}

.page-contact .register-list dt {
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .register-list dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-contact .register-links {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.page-contact .register-links a {
  font-size: .89rem;
  color: var(--sage);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .register-links a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

@media (min-width: 700px) {
  .page-contact .coop-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-contact .register-band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6.5fr);
    align-items: start;
  }

  .page-contact .contact-desk {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__jump a,
  .page-contact .prep-item,
  .page-contact .contact-value--mono,
  .page-contact .register-links a {
    transition: none;
  }

  .page-contact .contact-hero__jump a:hover {
    transform: none;
  }
}