/* =========================================================
   意见反馈 · 票据式联系页
   作用域：.page-contact
   ========================================================= */

.page-contact {
  padding-bottom: clamp(56px, 8vw, 112px);
  color: var(--read);
}

.page-contact .pc-wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-top: clamp(20px, 3vw, 34px);
  font-size: 13px;
}

/* ---------- §01 首屏 ---------- */
.page-contact .pc-deck {
  padding-block: clamp(28px, 4vw, 54px) clamp(52px, 7vw, 96px);
}

.page-contact .pc-deck-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 4vw, 72px);
  align-items: start;
}

.page-contact .pc-kicker {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .pc-h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--read);
}

.page-contact .pc-sub {
  margin: 0 0 clamp(24px, 3vw, 34px);
  max-width: 36em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}

/* --- 竖版切角信息卡 --- */
.page-contact .pc-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-contact .pc-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  filter: saturate(0.75) contrast(1.08);
}

.page-contact .pc-card-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(6, 8, 13, 0.2) 0%, rgba(6, 8, 13, 0.9) 58%, var(--panel) 100%),
    linear-gradient(125deg, rgba(61, 116, 255, 0.24) 0%, rgba(6, 8, 13, 0) 58%);
}

.page-contact .pc-card-body {
  position: relative;
  z-index: 2;
  padding: clamp(22px, 3vw, 32px);
}

.page-contact .pc-card-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--raise);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-contact .pc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .pc-item {
  display: grid;
  gap: 5px;
  padding-left: 14px;
  border-left: 2px solid var(--raise);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .pc-item:hover {
  border-left-color: var(--gold);
}

.page-contact .pc-key {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-contact .pc-val {
  font-family: var(--font-data);
  font-size: 15px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  color: var(--read);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact a.pc-val:hover,
.page-contact a.pc-val:focus-visible {
  color: var(--blue-lt);
  border-bottom-color: var(--blue-lt);
}

.page-contact .pc-val--addr {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .pc-hint {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mute);
}

/* --- 右侧：流程与图 --- */
.page-contact .pc-main {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-contact .pc-lane-fig {
  margin: 0;
  border: var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .pc-lane-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
}

.page-contact .pc-figcap {
  padding: 12px 18px 14px;
  border-top: 1px dashed var(--raise);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mute);
}

.page-contact .pc-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: var(--line);
  background: linear-gradient(180deg, var(--panel) 0%, var(--ink) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-contact .pc-lane {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px) clamp(15px, 2vw, 24px);
  border-left: 1px solid var(--raise);
}

.page-contact .pc-lane:first-child {
  border-left: none;
}

.page-contact .pc-lane::before {
  content: "";
  position: absolute;
  top: calc(clamp(20px, 2.6vw, 30px) + 5px);
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--raise), rgba(26, 35, 56, 0.15));
}

.page-contact .pc-lane:first-child::before {
  left: clamp(15px, 2vw, 24px);
}

.page-contact .pc-lane:last-child::before {
  right: clamp(15px, 2vw, 24px);
}

.page-contact .pc-dot {
  position: relative;
  z-index: 1;
  display: block;
  width: 11px;
  height: 11px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--mute);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .pc-lane:nth-child(1) .pc-dot {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(61, 116, 255, 0.14);
}

.page-contact .pc-lane:nth-child(2) .pc-dot {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(217, 168, 60, 0.14);
}

.page-contact .pc-lane:nth-child(3) .pc-dot {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(20, 214, 160, 0.14);
}

.page-contact .pc-lane:hover .pc-dot {
  box-shadow: 0 0 0 6px rgba(217, 168, 60, 0.18);
}

.page-contact .pc-step {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-contact .pc-lane-title {
  margin: 0 0 4px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--read);
}

.page-contact .pc-lane-time {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

.page-contact .pc-lane-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--silver);
  transition: color var(--dur) var(--ease);
}

.page-contact .pc-lane:hover .pc-lane-desc,
.page-contact .pc-lane:focus-within .pc-lane-desc {
  color: var(--read);
}

/* ---------- 通用章节头 ---------- */
.page-contact .pc-sec {
  padding-block: clamp(48px, 6.5vw, 88px);
}

.page-contact .pc-sec--last {
  padding-bottom: clamp(24px, 4vw, 48px);
}

.page-contact .pc-sechead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-bottom: clamp(24px, 3vw, 38px);
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--raise);
}

.page-contact .pc-secidx {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .pc-sectitle {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.1vw, 34px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--read);
}

.page-contact .pc-secnote {
  margin: 0 0 0 auto;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mute);
}

/* ---------- §02 准备清单 ---------- */
.page-contact .pc-prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .pc-prose p {
  margin: 0 0 16px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .pc-prose p:last-child {
  margin-bottom: 0;
}

.page-contact .pc-checks {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .pc-check {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--read);
}

.page-contact .pc-check::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 7px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(-45deg);
}

.page-contact .pc-fieldpanel {
  padding: clamp(20px, 3vw, 28px);
  border: var(--line);
  background: var(--panel);
  clip-path: polygon(22px 0, 100% 0, 100% 100%, 0 100%, 0 22px);
}

.page-contact .pc-panel-title {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--raise);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .pc-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .pc-field {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 13px;
  background: var(--raise);
  border-left: 2px solid transparent;
  font-family: var(--font-data);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--read);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .pc-field:hover {
  border-left-color: var(--gold);
  color: var(--read);
}

.page-contact .pc-field-num {
  font-size: 12px;
  color: var(--mute);
}

.page-contact .pc-panel-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--raise);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- §03 反馈类型 ---------- */
.page-contact .pc-types {
  display: grid;
  gap: 1px;
  border: var(--line);
  background: var(--raise);
}

.page-contact .pc-type {
  background: var(--ink);
}

.page-contact .pc-type summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px clamp(16px, 2.4vw, 26px);
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

.page-contact .pc-type summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-type summary:hover {
  background: var(--panel);
}

.page-contact .pc-type summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 18px;
  line-height: 1;
  color: var(--mute);
  transition: color var(--dur) var(--ease);
}

.page-contact .pc-type[open] summary::after {
  content: "–";
  color: var(--gold);
}

.page-contact .pc-type-idx {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .pc-type-name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--read);
}

.page-contact .pc-type-meta {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue-lt);
  white-space: nowrap;
}

.page-contact .pc-type-body {
  padding: 0 clamp(16px, 2.4vw, 26px) 22px;
  border-top: 1px dashed var(--raise);
  padding-top: 16px;
}

.page-contact .pc-type-body p {
  margin: 0 0 10px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .pc-type-body p:last-child {
  margin-bottom: 0;
}

/* ---------- §04 合作 ---------- */
.page-contact .pc-coop {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: start;
}

.page-contact .pc-coop-stats {
  display: grid;
  gap: 1px;
  border: var(--line);
  background: var(--raise);
}

.page-contact .pc-coop-stat {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--panel);
}

.page-contact .pc-coop-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(40px, 5.6vw, 62px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

.page-contact .pc-coop-label {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .pc-coop-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .pc-coop-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .pc-coop-list li::before {
  content: "/";
  position: absolute;
  left: 4px;
  font-family: var(--font-data);
  color: var(--gold);
}

/* ---------- §05 出口链接 ---------- */
.page-contact .pc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--raise);
  background: var(--panel);
  color: var(--read);
  font-size: 15px;
  text-decoration: none;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .pc-link:hover,
.page-contact .pc-link:focus-visible {
  border-color: var(--gold);
  background: var(--raise);
  color: var(--gold);
}

.page-contact .pc-link-idx {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--mute);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .page-contact .pc-deck-grid,
  .page-contact .pc-prep-grid,
  .page-contact .pc-coop {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .pc-secnote {
    margin-left: 0;
  }
}

@media (max-width: 760px) {
  .page-contact .pc-track {
    grid-template-columns: minmax(0, 1fr);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  }

  .page-contact .pc-lane {
    border-left: none;
    border-top: 1px solid var(--raise);
  }

  .page-contact .pc-lane:first-child {
    border-top: none;
  }

  .page-contact .pc-lane::before {
    display: none;
  }

  .page-contact .pc-type summary {
    flex-wrap: wrap;
    gap: 6px 12px;
  }

  .page-contact .pc-type-meta {
    order: 3;
    width: 100%;
    white-space: normal;
  }

  .page-contact .pc-link {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
  }
}