/* ===== 联络方式页 · 页面专属样式 ===== */
.page-contact {
  --c-rule: rgba(201, 162, 39, 0.32);
  --c-rule-soft: rgba(134, 147, 140, 0.22);
  --c-well: rgba(201, 162, 39, 0.07);
  --c-well-cyan: rgba(53, 224, 210, 0.07);
  position: relative;
  display: block;
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  font-family: var(--font-display);
  color: var(--white);
  text-wrap: balance;
}

.page-contact p {
  margin: 0;
}

.page-contact ul,
.page-contact ol,
.page-contact dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-contact :focus-visible {
  outline: 2px solid var(--gold-hi);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: var(--s5) 0 var(--s4);
  background:
    radial-gradient(120% 90% at 86% 0%, rgba(53, 224, 210, 0.07), transparent 58%),
    linear-gradient(180deg, var(--drawer) 0%, var(--ink) 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, rgba(134, 147, 140, 0.09) 1px, transparent 1px);
  background-size: 96px 100%;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 88%);
}

.page-contact .contact-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--s3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--index);
}

.page-contact .breadcrumb a {
  color: var(--index);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-contact .breadcrumb .sep {
  color: rgba(134, 147, 140, 0.55);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--gold);
}

.page-contact .eyebrow {
  margin-bottom: var(--s2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact h1 {
  font-size: clamp(2.1rem, 6vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-contact .contact-hero-copy .lede {
  margin-top: var(--s3);
  max-width: 34rem;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-contact .contact-hero-copy .meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: var(--s4);
  padding-top: var(--s3);
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .contact-hero-copy .meta-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .meta-key {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--index);
}

.page-contact .cell-mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--gold-hi);
  letter-spacing: 0.01em;
  word-break: break-word;
}

/* ---------- 图片容器 ---------- */
.page-contact .media-frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--c-rule-soft);
  background: var(--drawer);
  overflow: hidden;
}

.page-contact .contact-hero-media {
  aspect-ratio: 3 / 2;
}

.page-contact .entry-media {
  aspect-ratio: 3 / 2;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.82) contrast(1.05);
}

.page-contact .media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(10, 28, 23, 0.22) 0 1px, transparent 1px 4px),
    linear-gradient(180deg, rgba(10, 28, 23, 0.12), rgba(10, 28, 23, 0.55));
}

.page-contact .media-frame::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  z-index: 3;
  width: 34px;
  height: 34px;
  border-right: 1px solid var(--gold);
  border-top: 1px solid var(--gold);
  pointer-events: none;
}

.page-contact .media-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 4;
  max-width: 100%;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--white);
  background: rgba(10, 28, 23, 0.84);
  border-top: 1px solid var(--c-rule);
  border-right: 1px solid var(--c-rule);
}

/* ---------- 场景索引条 ---------- */
.page-contact .contact-index {
  position: sticky;
  top: var(--header-h-solid);
  z-index: 7;
  background: rgba(10, 28, 23, 0.95);
  border-top: 1px solid var(--c-rule-soft);
  border-bottom: 1px solid var(--c-rule-soft);
}

@supports (backdrop-filter: blur(8px)) {
  .page-contact .contact-index {
    background: rgba(10, 28, 23, 0.82);
    backdrop-filter: blur(8px);
  }
}

.page-contact .contact-index-list {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: 11px 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-contact .contact-index-list::-webkit-scrollbar {
  display: none;
}

.page-contact .index-link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  white-space: nowrap;
  padding: 3px 1px;
  font-size: 0.84rem;
  color: var(--index);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .index-link .idx {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-contact .index-link:hover,
.page-contact .index-link:focus-visible,
.page-contact .index-link.is-current {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-contact .index-link.is-current .idx {
  color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */
.page-contact .contact-section {
  padding: var(--s5) 0;
}

.page-contact .contact-section + .contact-section {
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .section-head {
  display: grid;
  gap: 10px;
  max-width: 760px;
  margin-bottom: var(--s4);
}

.page-contact .section-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-contact .section-head h2 {
  font-size: clamp(1.42rem, 3.4vw, 1.95rem);
  font-weight: 600;
  line-height: 1.35;
}

.page-contact .section-lede {
  max-width: 620px;
  font-size: 0.95rem;
  color: var(--index);
}

/* ---------- 01 渠道三栏 ---------- */
.page-contact .contact-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .channel {
  padding: var(--s3) 0;
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .channel:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .channel-label {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .channel-value {
  display: block;
  margin-bottom: 12px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--white);
  background: var(--c-well);
  border-left: 2px solid var(--gold);
  word-break: break-word;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .channel-note {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.page-contact .tag {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  line-height: 1.7;
  border: 1px solid var(--c-rule-soft);
  color: var(--index);
}

.page-contact .tag--gold {
  color: var(--gold-hi);
  border-color: rgba(201, 162, 39, 0.5);
}

.page-contact .tag--cyan {
  color: var(--cyan);
  border-color: rgba(53, 224, 210, 0.42);
}

/* ---------- 02 资料核对 ---------- */
.page-contact .verify-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
}

.page-contact .drawer-stack {
  display: grid;
  gap: 10px;
}

.page-contact .drawer {
  border: 1px solid var(--c-rule-soft);
  background: var(--drawer);
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-contact .drawer[data-open="true"] {
  border-color: var(--c-rule);
  background: var(--drawer-2);
}

.page-contact .drawer-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  border: 0;
  border-left: 2px solid transparent;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.24s var(--ease);
}

.page-contact .drawer[data-open="true"] .drawer-head {
  border-left-color: var(--gold);
}

.page-contact .drawer-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--index);
}

.page-contact .drawer-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}

.page-contact .drawer-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-contact .drawer-caret {
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease);
}

.page-contact .drawer[data-open="true"] .drawer-caret {
  transform: rotate(225deg);
}

.page-contact .drawer-body {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.26s var(--ease), opacity 0.26s var(--ease);
}

.page-contact .drawer[data-open="true"] .drawer-body {
  max-height: 40rem;
  opacity: 1;
}

.page-contact .drawer-body-inner {
  padding: 0 16px 16px 16px;
}

.page-contact .drawer-body-inner p {
  padding-left: 12px;
  border-left: 1px solid var(--c-rule-soft);
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--paper);
}

.page-contact .mail-template {
  padding: var(--s3);
  border: 1px solid var(--c-rule);
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.09), rgba(201, 162, 39, 0.02));
}

.page-contact .mail-template-title {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-rule-soft);
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 600;
  color: var(--white);
}

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

.page-contact .mail-template-list > div {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-contact .mail-template-list dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--index);
}

.page-contact .mail-template-list dd {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .mail-template-foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--c-rule-soft);
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--index);
}

/* ---------- 03 入口指引 ---------- */
.page-contact .entry-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
}

.page-contact .check-list {
  display: grid;
  gap: 0;
}

.page-contact .check-list li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-rule-soft);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--paper);
}

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

.page-contact .check-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .check-list svg {
  margin-top: 6px;
}

.page-contact .check-list strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
  color: var(--gold-hi);
}

/* ---------- 04 勘误 ---------- */
.page-contact .correction-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .correction-card {
  padding: var(--s3);
  border: 1px solid var(--c-rule-soft);
  border-top: 2px solid var(--gold);
  background: var(--drawer);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .correction-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

.page-contact .correction-num {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .correction-card h3 {
  margin-bottom: 10px;
  font-size: 1.02rem;
  font-weight: 600;
}

.page-contact .correction-card p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .note-block--rose {
  margin-top: var(--s4);
  padding: var(--s3);
  border: 1px solid rgba(226, 81, 124, 0.4);
  border-left: 3px solid var(--rose);
  background: rgba(226, 81, 124, 0.07);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--paper);
}

/* ---------- 05 合作与授权 ---------- */
.page-contact .coop-list {
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .coop-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--c-rule-soft);
}

.page-contact .coop-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .coop-body h3 {
  margin-bottom: 8px;
  font-size: 1.06rem;
  font-weight: 600;
}

.page-contact .coop-body p {
  max-width: 62ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--paper);
}

/* ---------- 06 服务时段 ---------- */
.page-contact .sla-grid {
  display: grid;
  gap: 0;
}

.page-contact .sla-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-rule-soft);
}

.page-contact .sla-row:first-child {
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .sla-row dt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--gold-hi);
}

.page-contact .sla-row dd {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .contact-hours-note {
  margin-top: var(--s3);
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--index);
}

/* ---------- 页面收尾 ---------- */
.page-contact .contact-tail {
  padding: var(--s4) 0;
  border-top: 1px solid var(--c-rule);
  background: var(--drawer);
}

.page-contact .contact-tail-inner {
  display: grid;
  gap: var(--s3);
}

.page-contact .contact-tail-lede {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .contact-tail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-contact .contact-tail-links a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 4px 0;
  font-size: 0.86rem;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--c-rule-soft);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-contact .contact-tail-links .idx {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (max-width: 700px) {
  .page-contact .contact-section {
    padding: var(--s4) 0;
  }

  .page-contact .contact-hero {
    padding: var(--s4) 0 var(--s3);
  }
}

@media (max-width: 560px) {
  .page-contact .drawer-head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      "num title caret"
      ". meta meta";
    row-gap: 4px;
    align-items: start;
  }

  .page-contact .drawer-num { grid-area: num; }
  .page-contact .drawer-title { grid-area: title; }
  .page-contact .drawer-meta { grid-area: meta; }
  .page-contact .drawer-caret { grid-area: caret; margin-top: 6px; }

  .page-contact .mail-template-list > div {
    grid-template-columns: 48px minmax(0, 1fr);
  }
}

@media (min-width: 760px) {
  .page-contact .coop-item {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: var(--s3);
    align-items: start;
  }
}

@media (min-width: 720px) {
  .page-contact .sla-row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: var(--s3);
    align-items: baseline;
  }
}

@media (min-width: 820px) {
  .page-contact .correction-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .contact-tail-inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--s4);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel {
    padding: 0 var(--s3);
    border-top: 0;
    border-left: 1px solid var(--c-rule);
  }

  .page-contact .channel:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .channel:last-child {
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--s5);
    align-items: start;
  }

  .page-contact .entry-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--s5);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .verify-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--s5);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-contact .correction-card:hover {
    transform: none;
  }

  .page-contact .drawer-caret {
    transition: none;
  }
}