/* =========================================================
   反馈通道 / feedback —— 页面作用域 .page-contact
   ========================================================= */

.page-contact {
  padding-top: 24px;
  padding-bottom: 88px;
  --c-surface: #0B1220;
  --c-surface-soft: rgba(20, 29, 49, 0.62);
  --c-hair: rgba(36, 49, 70, 0.85);
  --c-cyan-soft: rgba(0, 229, 208, 0.12);
}

.page-contact .c-main {
  display: grid;
  gap: 60px;
  min-width: 0;
}

/* ---------- 骨架：左索引 + 右内容 ---------- */
.page-contact .shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

@media (min-width: 1024px) {
  .page-contact .shell {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
  .page-contact .index-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

.page-contact .index-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-contact .index-rail__link:hover,
.page-contact .index-rail__link.is-active {
  color: var(--cyan);
}

.page-contact .index-rail__num {
  font-size: 12px;
  color: var(--muted);
}

.page-contact .index-rail__link.is-active .index-rail__num {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  display: grid;
  gap: 26px;
}

.page-contact .c-hero__grid {
  display: grid;
  gap: 22px;
}

@media (min-width: 900px) {
  .page-contact .c-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }
}

.page-contact .c-hero h1 {
  margin: 12px 0 0;
  font-size: 32px;
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--text);
}

@media (min-width: 768px) {
  .page-contact .c-hero h1 {
    font-size: 44px;
    line-height: 1.18;
  }
}

.page-contact .c-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 控制台式联系面板 */
.page-contact .c-console {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 20px;
  background: linear-gradient(180deg, var(--c-surface-soft), rgba(5, 7, 12, 0.86));
  backdrop-filter: blur(10px);
}

.page-contact .c-console__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .c-console__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  animation: c-pulse 2.4s var(--ease) infinite;
}

@keyframes c-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0, 229, 208, 0.18); }
  50%      { box-shadow: 0 0 0 9px rgba(0, 229, 208, 0); }
}

.page-contact .c-console__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-family: var(--font-mono);
}

.page-contact .c-console__state {
  margin-left: auto;
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-contact .c-console__rows {
  margin: 0;
  padding: 0;
}

.page-contact .c-console__row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .c-console__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .c-console__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .c-console__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .c-console__val {
  font-size: 14px;
  line-height: 20px;
  color: var(--text);
  word-break: break-word;
}

/* 复制按钮 */
.page-contact .c-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 2px;
  cursor: pointer;
  color: var(--cyan);
  background: var(--c-cyan-soft);
  border: 1px solid rgba(0, 229, 208, 0.38);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .c-copy:hover {
  background: rgba(0, 229, 208, 0.22);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

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

/* 信号图带 */
.page-contact .c-signal {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--c-surface);
}

.page-contact .c-signal img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  opacity: 0.66;
}

@media (min-width: 768px) {
  .page-contact .c-signal img {
    height: 236px;
  }
}

.page-contact .c-signal figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(5, 7, 12, 0.72);
}

/* ---------- 通用区块 ---------- */
.page-contact .c-block {
  display: grid;
  gap: 26px;
  min-width: 0;
}

/* ---------- 02 提报要点 ---------- */
.page-contact .c-topics {
  display: grid;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-contact .c-topics {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }
}

.page-contact .c-topics__aside {
  display: grid;
  gap: 14px;
}

.page-contact .c-topics__aside img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .c-topics__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .c-topics__list {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-contact .c-topic {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.18s var(--ease);
}

.page-contact .c-topic:hover {
  background: linear-gradient(90deg, var(--c-cyan-soft), transparent 62%);
}

.page-contact .c-topic__idx {
  font-size: 13px;
  line-height: 22px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .c-topic__body {
  min-width: 0;
}

.page-contact .c-topic__title {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .c-topic__desc {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .c-topic__need {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .c-topic__need strong {
  color: var(--gold);
  font-weight: 600;
}

/* ---------- 03 值班与时效 ---------- */
.page-contact .c-timing__grid {
  display: grid;
  gap: 18px;
}

@media (min-width: 900px) {
  .page-contact .c-timing__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

.page-contact .c-shift {
  display: grid;
  gap: 14px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--c-surface);
}

.page-contact .c-shift__cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .c-shift__time {
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .c-shift__track {
  position: relative;
  height: 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--ink);
  overflow: hidden;
}

.page-contact .c-shift__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, var(--teal), var(--cyan));
  box-shadow: 0 0 18px rgba(0, 229, 208, 0.5);
}

.page-contact .c-shift__scale {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .c-shift__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .c-stats li {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 2px;
  background: var(--c-surface);
}

.page-contact .c-stats li:nth-child(2) {
  border-left-color: var(--orange);
}

.page-contact .c-stats li:nth-child(3) {
  border-left-color: var(--teal);
}

.page-contact .c-stats .stat__value {
  font-size: 20px;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: 0.02em;
}

.page-contact .c-stats .stat__label {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 04 先查答案 ---------- */
.page-contact .c-qa {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-contact .c-qa li {
  border-bottom: 1px solid var(--line);
}

.page-contact .c-qa a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 2px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-contact .c-qa a:hover {
  color: var(--cyan);
  padding-left: 10px;
}

.page-contact .c-qa__go {
  flex: none;
  font-size: 14px;
  color: var(--cyan);
}

.page-contact .c-qa__more {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 05 合作与商务 ---------- */
.page-contact .c-partner {
  display: grid;
  gap: 16px;
}

@media (min-width: 768px) {
  .page-contact .c-partner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .c-partner__item {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-surface-soft), rgba(5, 7, 12, 0.9));
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .c-partner__item:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-contact .c-partner__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .c-partner__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .c-partner__need {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* ---------- 06 处理流程 ---------- */
.page-contact .c-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .c-flow__step {
  position: relative;
  padding: 4px 0 20px 20px;
  border-left: 2px solid var(--line);
}

.page-contact .c-flow__step:last-child {
  padding-bottom: 0;
}

.page-contact .c-flow__step::before {
  content: "";
  position: absolute;
  top: 8px;
  left: -6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 208, 0.14);
}

.page-contact .c-flow__step:nth-child(3)::before,
.page-contact .c-flow__step:nth-child(4)::before {
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(14, 124, 116, 0.2);
}

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

.page-contact .c-flow__title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .c-flow__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

@media (min-width: 768px) {
  .page-contact .c-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .c-flow__step {
    padding: 24px 22px 0 0;
    border-left: 0;
    border-top: 2px solid var(--line);
  }
  .page-contact .c-flow__step::before {
    top: -6px;
    left: 0;
  }
  .page-contact .c-flow__step:nth-child(2)::before {
    background: var(--cyan);
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 480px) {
  .page-contact {
    padding-bottom: 64px;
  }
  .page-contact .c-hero h1 {
    font-size: 27px;
  }
  .page-contact .c-console {
    padding: 16px;
  }
  .page-contact .c-console__val {
    font-size: 13px;
  }
  .page-contact .c-topic {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
  }
  .page-contact .c-shift__time {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-console__dot {
    animation: none;
    box-shadow: 0 0 0 4px rgba(0, 229, 208, 0.18);
  }
  .page-contact .c-partner__item,
  .page-contact .c-copy,
  .page-contact .c-qa a {
    transition: none;
  }
}