.page-contact {
  --c-line: rgba(244, 237, 227, .16);
  --c-line-soft: rgba(244, 237, 227, .09);
  padding-bottom: calc(var(--quickbar-h) + 40px);
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--volt);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  padding-top: calc(var(--header-h) + 18px);
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -12% -22% auto -22%;
  height: 78%;
  background:
    radial-gradient(58% 68% at 72% 18%, rgba(47, 107, 255, .16), transparent 72%),
    radial-gradient(52% 62% at 12% 0%, rgba(200, 16, 46, .20), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
}

.page-contact .contact-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 14px 0 0;
  max-width: 16ch;
}

.page-contact .contact-hero__intro {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.page-contact .contact-lines {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-line {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--c-line);
}

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

.page-contact .contact-line__value {
  position: relative;
  display: inline-block;
  justify-self: start;
  margin: 0;
  padding-bottom: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1rem, 4.4vw, 2.1rem);
  letter-spacing: -.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-line--tel .contact-line__value {
  font-size: clamp(1.7rem, 7vw, 3.1rem);
  color: var(--volt);
  letter-spacing: .02em;
}

.page-contact .contact-line__value::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--red);
  transform: scaleX(.32);
  transform-origin: left center;
  transition: transform .32s var(--ease), background-color .32s var(--ease);
}

.page-contact .contact-line:hover .contact-line__value::after,
.page-contact .contact-line:focus-within .contact-line__value::after {
  transform: scaleX(1);
  background: var(--volt);
}

.page-contact .contact-line__copy {
  justify-self: start;
}

.page-contact .contact-line__copy[data-copied="true"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink);
}

.page-contact .contact-line__note {
  margin: 0;
  max-width: 48ch;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--muted);
}

/* 首屏右侧：图 + 准备清单 */
.page-contact .contact-hero__aside {
  display: grid;
  gap: 16px;
}

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

.page-contact .prepare-card {
  padding: clamp(20px, 3.4vw, 28px);
  border-left: 3px solid var(--red);
}

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

.page-contact .prepare-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .prepare-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .prepare-list__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--blue);
  padding-top: 3px;
}

.page-contact .prepare-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--paper);
  margin-bottom: 3px;
}

.page-contact .prepare-list div > span {
  display: block;
  font-size: .9rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 通用小标题区 ---------- */
.page-contact .contact-head {
  display: grid;
  gap: 10px;
  max-width: 60ch;
}

.page-contact .contact-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.55rem, 4.6vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-head__sub {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: .96rem;
}

/* ---------- 三通道切换 ---------- */
.page-contact .router {
  position: relative;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .router__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .router__tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.page-contact .router__tab {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: var(--charcoal);
  border: 1px solid var(--c-line);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .98rem;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background-color .24s var(--ease), border-color .24s var(--ease), color .24s var(--ease);
}

.page-contact .router__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .router__tab:hover {
  border-color: var(--line-strong);
}

.page-contact .router__radio:focus-visible ~ .router__tabs .router__tab {
  outline: none;
}

.page-contact #topic-account:focus-visible ~ .router__tabs label[for="topic-account"],
.page-contact #topic-data:focus-visible ~ .router__tabs label[for="topic-data"],
.page-contact #topic-match:focus-visible ~ .router__tabs label[for="topic-match"] {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

.page-contact #topic-account:checked ~ .router__tabs label[for="topic-account"],
.page-contact #topic-data:checked ~ .router__tabs label[for="topic-data"],
.page-contact #topic-match:checked ~ .router__tabs label[for="topic-match"] {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.page-contact #topic-account:checked ~ .router__tabs label[for="topic-account"] .router__num,
.page-contact #topic-data:checked ~ .router__tabs label[for="topic-data"] .router__num,
.page-contact #topic-match:checked ~ .router__tabs label[for="topic-match"] .router__num {
  color: rgba(255, 255, 255, .72);
}

.page-contact .router__panels {
  margin-top: 14px;
}

.page-contact .router__panel {
  display: none;
  padding: clamp(20px, 3.4vw, 34px);
  background: var(--charcoal);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--red);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact #topic-account:checked ~ .router__panels [data-topic="account"],
.page-contact #topic-data:checked ~ .router__panels [data-topic="data"],
.page-contact #topic-match:checked ~ .router__panels [data-topic="match"] {
  display: block;
}

.page-contact .router__panel h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  line-height: 1.3;
  color: var(--paper);
  max-width: 30ch;
}

.page-contact .router__panel > p {
  margin: 0 0 16px;
  max-width: 58ch;
  color: var(--muted);
  line-height: 1.78;
  font-size: .96rem;
}

.page-contact .router__needs {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--c-line-soft);
  display: grid;
  gap: 9px;
}

.page-contact .router__needs li {
  position: relative;
  padding-left: 20px;
  font-size: .93rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .router__needs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 2px;
  background: var(--blue);
}

/* ---------- 通讯地址：纸白反色区块 ---------- */
.page-contact .addr-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(24px, 4.4vw, 52px);
}

.page-contact .addr-block .eyebrow {
  color: var(--red);
}

.page-contact .addr-block h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.4vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--paper-ink);
}

.page-contact .addr-block__value {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.05rem, 3.6vw, 1.6rem);
  line-height: 1.45;
  color: var(--paper-ink);
  overflow-wrap: anywhere;
}

.page-contact .addr-block__hint {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(20, 22, 27, .74);
}

.page-contact .addr-meta {
  margin: 0;
  display: grid;
  gap: 0;
  align-content: start;
  border-top: 2px solid var(--paper-ink);
}

.page-contact .addr-meta > div {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(20, 22, 27, .16);
}

.page-contact .addr-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(20, 22, 27, .58);
}

.page-contact .addr-meta dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--paper-ink);
}

/* ---------- 四川本地 ---------- */
.page-contact .local-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact .local-grid__text h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.55rem, 4.6vw, 2.35rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .local-grid__text > p {
  margin: 14px 0 0;
  max-width: 50ch;
  color: var(--muted);
  line-height: 1.78;
  font-size: .96rem;
}

.page-contact .local-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .local-points li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line-soft);
  font-size: .93rem;
  color: var(--muted);
}

.page-contact .local-points span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  min-width: 88px;
}

.page-contact .local-points strong {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  color: var(--volt);
  letter-spacing: -.01em;
}

.page-contact .local-grid__link {
  margin: 18px 0 0;
  font-size: .95rem;
}

.page-contact .local-grid__link a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 107, 255, .45);
  padding-bottom: 2px;
}

.page-contact .local-grid__link a:hover {
  border-bottom-color: var(--volt);
  color: var(--volt);
}

.page-contact .local-grid__media {
  margin: 0;
}

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

.page-contact .contact-note {
  margin: 26px 0 0;
  font-size: .92rem;
  color: var(--muted);
}

.page-contact .contact-note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 107, 255, .4);
}

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

/* 合作卡片 */
.page-contact .partner-grid {
  margin-top: clamp(28px, 4.4vw, 46px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .partner-card {
  position: relative;
  padding: clamp(20px, 3.2vw, 30px);
  background: linear-gradient(150deg, var(--charcoal-2), var(--charcoal));
  border: 1px solid var(--c-line);
  overflow: hidden;
}

.page-contact .partner-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--red) 0%, var(--red) 55%, var(--red-dark) 55%, var(--red-dark) 100%);
}

.page-contact .partner-card__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-contact .partner-card h3 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.02rem, 2.8vw, 1.2rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .partner-card p:last-child {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 四步流程 ---------- */
.page-contact .flow-grid {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .flow-step {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--charcoal);
  border: 1px solid var(--c-line);
  transition: transform .3s var(--ease), background-color .3s var(--ease);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 0;
  background: var(--volt);
  transition: width .34s var(--ease);
}

.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  transform: translateY(-4px);
  background: var(--charcoal-2);
}

.page-contact .flow-step:hover::before,
.page-contact .flow-step:focus-within::before {
  width: 100%;
}

.page-contact .flow-step__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--red);
}

.page-contact .flow-step h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--paper);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 页尾补充 ---------- */
.page-contact .contact-footnote {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
  display: grid;
  gap: 12px;
}

.page-contact .contact-footnote p {
  margin: 0;
  max-width: 66ch;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-footnote a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 255, 60, .38);
  padding-bottom: 1px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-crumb {
    padding-top: calc(var(--header-h) + 24px);
  }

  .page-contact .contact-lines {
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(24px, 4vw, 44px);
    border-bottom: 1px solid var(--c-line);
  }

  .page-contact .contact-line {
    border-bottom: 0;
  }

  .page-contact .router__tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .partner-card--wide {
    grid-column: 1 / -1;
  }

  .page-contact .flow-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border: 1px solid var(--c-line);
  }

  .page-contact .flow-step {
    border: 0;
    border-right: 1px solid var(--c-line);
    border-top: 2px solid transparent;
  }

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

  .page-contact .flow-step:hover,
  .page-contact .flow-step:focus-within {
    transform: none;
    border-top-color: var(--volt);
  }

  .page-contact .flow-step:last-child {
    border-right: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .contact-hero__aside {
    display: block;
    padding-top: 12px;
  }

  .page-contact .prepare-card {
    position: relative;
    margin: -72px 0 0 26px;
  }

  .page-contact .addr-block {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .local-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-contact .partner-card--wide {
    grid-column: auto;
    margin-top: 36px;
  }

  .page-contact .partner-card:nth-child(2) {
    margin-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-line__value::after,
  .page-contact .flow-step,
  .page-contact .flow-step::before,
  .page-contact .router__tab {
    transition: none;
  }

  .page-contact .flow-step:hover,
  .page-contact .flow-step:focus-within {
    transform: none;
  }
}