.page-contact {
  --contact-shadow: 10px 10px 0 rgba(3, 22, 37, 0.92);
  background-color: var(--sand-050);
  color: var(--ink-900);
  padding-bottom: clamp(44px, 7vw, 88px);
  overflow-x: hidden;
}

/* ===== 首屏 ===== */
.page-contact__hero {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
  padding-block: clamp(18px, 3.5vw, 40px) clamp(30px, 5vw, 60px);
}

.page-contact__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--harbor-600);
  margin: 0 0 14px;
}

.page-contact__kicker::before {
  content: "";
  width: 30px;
  height: 3px;
  background: var(--coral-500);
}

.page-contact__title {
  font-family: var(--cond);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--abyss-950);
}

.page-contact__title em {
  font-style: normal;
  color: var(--coral-500);
}

.page-contact__lead {
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.8;
  max-width: 46ch;
  margin: 0 0 22px;
  color: var(--ink-900);
}

.page-contact__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact__chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  border: 2px solid var(--abyss-950);
  background: var(--paper-000);
  color: var(--abyss-950);
}

.page-contact__chip--neon {
  background: var(--neon-400);
}

.page-contact__hero-figure {
  position: relative;
  margin: 0;
  border: 3px solid var(--abyss-950);
  box-shadow: 12px 12px 0 var(--coral-500);
  background: var(--abyss-950);
  overflow: hidden;
}

.page-contact__hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact__hero-figure .media-frame__caption {
  display: block;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--tide-300);
  background: var(--abyss-950);
  border-top: 1px solid rgba(127, 196, 232, 0.28);
}

@media (min-width: 900px) {
  .page-contact__hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
  }
}

/* ===== 双栏主体 ===== */
.page-contact__body {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 44px);
}

.page-contact__scroll {
  order: 2;
  min-width: 0;
}

.page-contact__panel-col {
  order: 1;
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-contact__body {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(320px, 1fr);
    gap: clamp(36px, 4.5vw, 72px);
    align-items: start;
  }

  .page-contact__scroll {
    order: 1;
  }

  .page-contact__panel-col {
    order: 2;
  }
}

/* ===== 左侧内容区块 ===== */
.page-contact__section {
  padding-block: clamp(24px, 3.4vw, 40px);
}

.page-contact__section + .page-contact__section {
  border-top: 2px solid rgba(3, 22, 37, 0.82);
}

.page-contact__section:first-child {
  padding-top: 0;
}

.page-contact__section:last-child {
  padding-bottom: 0;
}

.page-contact__section-index {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--coral-500);
  margin: 0 0 10px;
}

.page-contact__section-title {
  font-family: var(--cond);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--abyss-950);
}

.page-contact__copy {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-900);
  margin: 0 0 20px;
  max-width: 62ch;
}

.page-contact__copy a {
  color: var(--harbor-600);
  text-decoration: none;
  border-bottom: 2px solid var(--coral-500);
  padding-bottom: 1px;
}

.page-contact__copy a:hover {
  color: var(--coral-500);
}

/* 问题分类 */
.page-contact__routes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 700px) {
  .page-contact__routes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-contact__route {
  position: relative;
  padding: 18px 18px 18px 24px;
  background: var(--paper-000);
  border: 2px solid var(--abyss-950);
  box-shadow: 6px 6px 0 rgba(3, 22, 37, 0.88);
}

.page-contact__route::before {
  content: "";
  position: absolute;
  left: -2px;
  top: -2px;
  bottom: -2px;
  width: 6px;
}

.page-contact__route--a::before { background: var(--coral-500); }
.page-contact__route--b::before { background: var(--harbor-600); }
.page-contact__route--c::before { background: var(--neon-400); }
.page-contact__route--d::before { background: var(--gold-400); }

.page-contact__route-idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted-500);
  margin-bottom: 6px;
}

.page-contact__route-title {
  font-family: var(--cond);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--abyss-950);
}

.page-contact__route-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted-500);
  margin: 0;
}

/* 反馈准备清单 */
.page-contact__checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact__check {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 18px;
  background: var(--paper-000);
  border-left: 4px solid var(--harbor-600);
}

.page-contact__check-mark {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 2px solid var(--harbor-600);
  position: relative;
}

.page-contact__check-mark::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--coral-500);
  border-bottom: 2px solid var(--coral-500);
  transform: rotate(40deg);
}

.page-contact__check-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-900);
}

/* 响应节奏 */
.page-contact__rhythm {
  border: 3px solid var(--abyss-950);
  background: var(--paper-000);
  box-shadow: 8px 8px 0 var(--harbor-600);
}

.page-contact__rhythm-row {
  display: grid;
  grid-template-columns: minmax(84px, 0.4fr) minmax(0, 1.6fr);
  gap: 12px 16px;
  padding: 16px 18px;
  align-items: baseline;
}

.page-contact__rhythm-row + .page-contact__rhythm-row {
  border-top: 1px solid rgba(3, 22, 37, 0.16);
}

.page-contact__rhythm-key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--harbor-600);
}

.page-contact__rhythm-val {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-900);
  margin: 0;
}

.page-contact__rhythm-val strong {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--abyss-950);
  font-variant-numeric: tabular-nums;
}

.page-contact__rhythm-val a {
  color: var(--coral-500);
  text-decoration: none;
  border-bottom: 1px solid var(--coral-500);
}

.page-contact__rhythm-val a:hover {
  color: var(--harbor-600);
  border-bottom-color: var(--harbor-600);
}

/* 合作洽谈 */
.page-contact__collab {
  display: grid;
  gap: 14px;
}

@media (min-width: 720px) {
  .page-contact__collab {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact__collab-item {
  padding: 18px;
  background: var(--abyss-950);
  border: 2px solid var(--abyss-950);
  border-bottom: 4px solid var(--neon-400);
}

.page-contact__collab-item h3 {
  font-family: var(--cond);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--neon-400);
}

.page-contact__collab-item p {
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
  color: rgba(246, 242, 234, 0.82);
}

.page-contact__collab-note {
  margin: 18px 0 0;
  padding: 16px 18px;
  border-left: 4px solid var(--coral-500);
  background: var(--coral-200);
  font-size: 15px;
  line-height: 1.75;
  color: var(--abyss-950);
}

.page-contact__collab-note a {
  color: var(--abyss-950);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--abyss-950);
}

/* ===== 右侧常驻联系面板 ===== */
.page-contact__panel {
  position: relative;
  border: 3px solid var(--abyss-950);
  box-shadow: var(--contact-shadow);
  background-color: var(--abyss-800);
  background-image:
    linear-gradient(rgba(127, 196, 232, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 196, 232, 0.1) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--sand-050);
  padding: clamp(20px, 2.8vw, 30px);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .page-contact__panel {
    position: sticky;
    top: 108px;
  }
}

.page-contact__panel-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--neon-400);
  margin: 0 0 8px;
}

.page-contact__panel-title {
  font-family: var(--cond);
  font-weight: 900;
  font-size: clamp(24px, 2.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  color: var(--paper-000);
}

.page-contact__channel {
  position: relative;
  padding: 18px 0 18px 20px;
}

.page-contact__channel + .page-contact__channel {
  border-top: 1px solid rgba(127, 196, 232, 0.26);
}

.page-contact__channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
}

.page-contact__channel--mail::before { background: var(--neon-400); }
.page-contact__channel--phone::before { background: var(--coral-500); }
.page-contact__channel--addr::before { background: var(--gold-400); }

.page-contact__channel-kind {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--tide-300);
  margin: 0 0 8px;
}

.page-contact__channel-value {
  font-family: var(--mono);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper-000);
  margin: 0 0 8px;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact__channel-note {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246, 242, 234, 0.76);
  margin: 0;
}

.page-contact__panel-figure {
  margin: 16px 0 0;
  border: 2px solid rgba(127, 196, 232, 0.35);
  overflow: hidden;
}

.page-contact__panel-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.88;
}

.page-contact__panel-figure .media-frame__caption {
  display: block;
  padding: 9px 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--tide-300);
  background: var(--abyss-950);
  border-top: 1px solid rgba(127, 196, 232, 0.28);
}

/* ===== 窄屏微调 ===== */
@media (max-width: 560px) {
  .page-contact__rhythm-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-contact__hero-figure {
    box-shadow: 8px 8px 0 var(--coral-500);
  }

  .page-contact__panel {
    box-shadow: 8px 8px 0 rgba(3, 22, 37, 0.92);
  }
}

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