/* ===========================================================
   联系我们 /contact-us/ —— 页面专属样式
   =========================================================== */

.page-contact {
  --contact-band-bg: #08100E;
  --contact-band-paper: #F7F5EF;
  --contact-hairline: rgba(14, 59, 50, 0.16);
  --contact-band-hairline: rgba(216, 169, 75, 0.34);
}

/* ---------------- 页头 ---------------- */

.page-contact .contact-head {
  background: var(--paper);
  padding: clamp(24px, 4.4vw, 42px) 0 clamp(30px, 5.4vw, 54px);
  border-bottom: var(--frame);
}

.page-contact .contact-head .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-contact .contact-head .breadcrumbs a {
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .contact-head .breadcrumbs a:hover,
.page-contact .contact-head .breadcrumbs a:focus-visible {
  color: var(--chip);
  border-bottom-color: var(--chip);
}

.page-contact .contact-head .breadcrumbs__sep {
  color: var(--fog);
}

.page-contact .contact-head .breadcrumbs [aria-current="page"] {
  color: var(--table);
  font-weight: 700;
}

.page-contact .contact-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.4vw, 3rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--table);
  margin: 0 0 16px;
  max-width: 24ch;
}

.page-contact .contact-lead {
  font-size: clamp(0.95rem, 2vw, 1.06rem);
  line-height: 1.78;
  color: var(--graphite);
  margin: 0;
  max-width: 54ch;
}

/* ---------------- 分栏主体 ---------------- */

.page-contact .contact-split {
  background: var(--sand);
  padding: clamp(34px, 5.6vw, 68px) 0 clamp(40px, 6vw, 78px);
  border-bottom: var(--frame);
}

.page-contact .contact-split__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
}

@media (min-width: 920px) {
  .page-contact .contact-split__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }
}

.page-contact .contact-subhead {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.18rem, 2.6vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--table);
  margin: 0 0 22px;
}

.page-contact .contact-subhead::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 1.1em;
  border-radius: 3px;
  background: var(--chip);
}

/* ---------------- 渠道卡片 ---------------- */

.page-contact .channel-card {
  background: var(--paper);
  border: var(--frame);
  border-radius: var(--r-b) var(--r-a) var(--r-a) var(--r-b);
  padding: clamp(16px, 2.6vw, 26px);
  margin-bottom: 14px;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(8, 16, 14, 0.13);
}

.page-contact .channel-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fog);
  margin-bottom: 12px;
}

.page-contact .copy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 16px;
}

.page-contact .copy-value {
  min-width: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1rem, 3.5vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--table);
  overflow-wrap: anywhere;
}

.page-contact .copy-status {
  grid-column: 1 / -1;
  min-height: 1.15em;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--gold);
}

@media (max-width: 560px) {
  .page-contact .copy-row {
    grid-template-columns: minmax(0, 1fr);
    justify-items: start;
  }
  .page-contact .copy-value {
    font-size: clamp(0.95rem, 4.8vw, 1.22rem);
  }
}

.page-contact .copy-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1.5px solid var(--chip);
  background: transparent;
  color: var(--chip);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 200ms var(--ease), color 200ms var(--ease),
              border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .copy-btn:hover {
  background: var(--chip);
  color: var(--paper);
}

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

.page-contact .copy-btn:active {
  transform: translateY(1px);
}

.page-contact .copy-btn.is-copied {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-contact .contact-hours-meta {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--graphite);
  margin: 6px 0 clamp(22px, 3.4vw, 30px);
  padding: 13px 16px;
  background: rgba(216, 169, 75, 0.18);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r-a) var(--r-a) 0;
}

.page-contact .contact-hours-meta__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.page-contact .contact-shot {
  margin: 0;
  border: var(--frame);
  border-radius: var(--r-a) var(--r-b) var(--r-b) var(--r-a);
  overflow: hidden;
  background: var(--table);
}

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

/* ---------------- 咨询范围 ---------------- */

.page-contact .scope-list {
  list-style: none;
  margin: 0 0 clamp(24px, 3.6vw, 34px);
  padding: 0;
  counter-reset: scope;
}

.page-contact .scope-item {
  position: relative;
  counter-increment: scope;
  padding: 15px 0 15px 46px;
  border-top: 1px solid var(--contact-hairline);
  transition: background-color 200ms var(--ease);
}

.page-contact .scope-item:last-child {
  border-bottom: 1px solid var(--contact-hairline);
}

.page-contact .scope-item:hover {
  background: rgba(247, 245, 239, 0.7);
}

.page-contact .scope-item::before {
  content: "0" counter(scope);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--chip);
  transition: color 200ms var(--ease);
}

.page-contact .scope-item:hover::before {
  color: var(--gold);
}

.page-contact .scope-item__title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--table);
  margin-bottom: 5px;
}

.page-contact .scope-item__example {
  display: block;
  font-size: 14px;
  line-height: 1.72;
  color: var(--graphite);
  opacity: 0.86;
  transition: opacity 200ms var(--ease);
}

.page-contact .scope-item:hover .scope-item__example {
  opacity: 1;
}

/* ---------------- 准备清单 ---------------- */

.page-contact .prep-block {
  background: var(--paper);
  border: var(--frame);
  border-radius: var(--r-a) var(--r-b) var(--r-b) var(--r-a);
  padding: clamp(18px, 2.8vw, 26px);
}

.page-contact .prep-block__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--table);
  margin: 0 0 14px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* ---------------- 深色信息带 ---------------- */

.page-contact .contact-band {
  background: var(--contact-band-bg);
  color: var(--contact-band-paper);
  padding: clamp(34px, 5.4vw, 64px) 0 clamp(38px, 6vw, 72px);
  border-top: 4px solid var(--chip);
}

.page-contact .contact-band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.4vw, 52px);
}

@media (min-width: 880px) {
  .page-contact .contact-band__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 74px);
    align-items: start;
  }
}

.page-contact .contact-band__img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-b) var(--r-a) var(--r-a) var(--r-b);
  border: 1px solid var(--contact-band-hairline);
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-contact .contact-band__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.05rem, 2.3vw, 1.3rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--contact-band-hairline);
}

.page-contact .contact-band__text {
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 245, 239, 0.82);
  margin: 0 0 16px;
}

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

.page-contact .band-order li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.68;
  color: rgba(247, 245, 239, 0.9);
}

.page-contact .band-order__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .band-facts {
  margin: 0 0 20px;
  display: grid;
  gap: 14px;
}

.page-contact .band-facts__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
}

@media (min-width: 520px) {
  .page-contact .band-facts__row {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 0 18px;
    align-items: baseline;
  }
}

.page-contact .band-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-contact .band-facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 245, 239, 0.9);
}

.page-contact .band-facts__value--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-contact .band-links {
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 245, 239, 0.78);
  margin: 0;
}

.page-contact .band-links a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 169, 75, 0.45);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .band-links a:hover,
.page-contact .band-links a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-contact .band-links a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------------- 键盘焦点 ---------------- */

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--chip);
  outline-offset: 2px;
}

.page-contact .contact-band a:focus-visible,
.page-contact .contact-band button:focus-visible {
  outline-color: var(--gold);
}

/* ---------------- 动效收敛 ---------------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card:hover,
  .page-contact .copy-btn,
  .page-contact .copy-btn:active,
  .page-contact .scope-item,
  .page-contact .scope-item__example {
    transition: none;
    transform: none;
  }
}