/* ===== 联系与反馈页 作用域：.page-contact ===== */

.page-contact {
  background: var(--ink);
  color: var(--text);
}

/* --- 面包屑 --- */
.page-contact .contact-crumb {
  padding-top: 1.1rem;
  padding-bottom: .2rem;
}

/* --- 首屏：非对称分屏 --- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 1.6rem 0 2.6rem;
  background: linear-gradient(158deg, #0B1026 0%, #111827 58%, #17224A 100%);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 53, 92, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 53, 92, .5) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: .42;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -26%;
  width: 82vw;
  height: 82vw;
  max-width: 700px;
  max-height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%,
    rgba(25, 247, 200, .20) 0%,
    rgba(139, 92, 246, .10) 44%,
    rgba(11, 16, 38, 0) 70%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.9rem;
}

.page-contact .contact-hero h1 {
  margin: .7rem 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.6vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 1rem 0 0;
  max-width: 54ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
}

.page-contact .contact-hero__jump {
  display: grid;
  gap: .55rem;
  margin-top: 1.7rem;
}

.page-contact .contact-jump {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .78rem 1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--neon);
  border-radius: var(--radius);
  background: rgba(17, 24, 39, .74);
  color: var(--paper);
  text-decoration: none;
  transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-jump:hover,
.page-contact .contact-jump:focus-visible {
  background: rgba(30, 42, 120, .68);
  border-color: var(--neon);
  transform: translateX(4px);
}

.page-contact .contact-jump__no {
  font-size: .78rem;
  color: var(--neon);
  letter-spacing: .06em;
}

.page-contact .contact-jump__label {
  font-weight: 700;
  font-size: .95rem;
}

/* --- 首屏右侧状态面板 --- */
.page-contact .contact-board {
  position: relative;
  padding: 1.1rem 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--neon);
  border-radius: var(--radius);
  background: rgba(17, 24, 39, .9);
}

.page-contact .contact-board__head {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .85rem;
  font-family: var(--font-num);
  font-size: .76rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-board__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--alert);
  box-shadow: 0 0 0 0 rgba(255, 61, 94, .55);
  animation: contactPulse 2.4s var(--ease) infinite;
}

@keyframes contactPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 61, 94, .5); }
  70%  { box-shadow: 0 0 0 9px rgba(255, 61, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 61, 94, 0); }
}

.page-contact .contact-board__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-board__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .8rem;
  padding: .58rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: .88rem;
}

.page-contact .contact-board__name {
  color: var(--paper);
  font-weight: 700;
  white-space: nowrap;
}

.page-contact .contact-board__val {
  color: var(--neon);
  font-size: .8rem;
  text-align: right;
}

.page-contact .contact-board__meta {
  margin: 1rem 0 0;
  display: grid;
  gap: .6rem;
}

.page-contact .contact-board__item {
  padding: .6rem .75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 16, 38, .72);
}

.page-contact .contact-board__item dt {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--dim);
}

.page-contact .contact-board__item dd {
  margin: .2rem 0 0;
  font-size: .9rem;
  color: var(--paper);
  word-break: break-all;
}

/* --- 处理路径带 --- */
.page-contact .contact-flow {
  padding: 1.15rem 0;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-flow__list {
  display: grid;
  gap: .85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-flow__step {
  display: grid;
  grid-template-columns: 28px 1fr;
  grid-template-areas:
    "n t"
    "n d";
  align-items: start;
  column-gap: .8rem;
  row-gap: .25rem;
  padding-left: .1rem;
}

.page-contact .contact-flow__num {
  grid-area: n;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--neon);
  border-radius: var(--radius);
  color: var(--neon);
  font-size: .74rem;
  margin-top: .1rem;
}

.page-contact .contact-flow__name {
  grid-area: t;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: .98rem;
  color: var(--paper);
}

.page-contact .contact-flow__desc {
  grid-area: d;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--muted);
}

/* --- 通用分屏区块 --- */
.page-contact .contact-split {
  display: grid;
  gap: 1.5rem;
}

.page-contact .contact-body {
  margin: .9rem 0 0;
  font-size: .95rem;
  line-height: 1.95;
  color: var(--text);
}

.page-contact .contact-links {
  margin: 1rem 0 0;
  padding: .8rem .95rem;
  border-left: 3px solid var(--violet);
  background: rgba(139, 92, 246, .08);
  font-size: .9rem;
  line-height: 1.9;
  color: var(--text);
}

.page-contact .contact-links a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-split__media {
  margin: 0;
}

.page-contact .contact-split__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* --- 纠错卡片栏 --- */
.page-contact .correction-grid {
  display: grid;
  gap: .9rem;
  margin-top: 1.4rem;
}

.page-contact .correction-card {
  position: relative;
  padding: 1.15rem 1.05rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .correction-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--neon), var(--violet));
}

.page-contact .correction-card__idx {
  display: block;
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-contact .correction-card__title {
  margin: .45rem 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.06rem;
  color: var(--paper);
}

.page-contact .correction-card p {
  margin: .5rem 0 0;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .correction-note {
  margin: 1.3rem 0 0;
  padding: .85rem 1rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  font-size: .88rem;
  line-height: 1.9;
  color: var(--text);
}

.page-contact .correction-note a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 商务合作 --- */
.page-contact .partner-wrap {
  display: grid;
  gap: 1.4rem;
  margin-top: 1.5rem;
}

.page-contact .partner-list {
  display: grid;
  gap: .85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .partner-item {
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(30, 42, 120, .34) 0%, rgba(17, 24, 39, .9) 62%);
}

.page-contact .partner-item__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--neon);
}

.page-contact .partner-item p {
  margin: .45rem 0 0;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .partner-aside {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-contact .partner-aside__head {
  margin: 0 0 .8rem;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1rem;
  color: var(--paper);
}

.page-contact .contact-fold {
  border-bottom: 1px solid var(--line);
  padding: .35rem 0;
}

.page-contact .contact-fold:last-child {
  border-bottom: none;
}

.page-contact .contact-fold summary {
  cursor: pointer;
  padding: .45rem 0;
  font-size: .92rem;
  font-weight: 700;
  color: var(--paper);
  list-style: none;
}

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

.page-contact .contact-fold summary::before {
  content: "+";
  display: inline-block;
  width: 1.1em;
  font-family: var(--font-num);
  color: var(--orange);
}

.page-contact .contact-fold[open] summary::before {
  content: "–";
}

.page-contact .contact-fold p {
  margin: 0 0 .6rem;
  font-size: .86rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-fold a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 地址与备案 --- */
.page-contact .contact-place {
  position: relative;
  overflow: hidden;
  padding: 2.6rem 0;
  background: #090E20;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-place__bg {
  position: absolute;
  inset: 0;
}

.page-contact .contact-place__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .24;
}

.page-contact .contact-place__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(102deg, rgba(9, 14, 32, .97) 0%, rgba(9, 14, 32, .78) 48%, rgba(9, 14, 32, .5) 100%);
}

.page-contact .contact-place__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-place__lead {
  margin: .9rem 0 0;
  max-width: 58ch;
  font-size: .95rem;
  line-height: 1.95;
  color: var(--text);
}

.page-contact .contact-meta {
  display: grid;
  gap: .7rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-meta__item {
  padding: .8rem .95rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--neon);
  border-radius: var(--radius);
  background: rgba(11, 16, 38, .78);
}

.page-contact .contact-meta__k {
  display: block;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--dim);
  text-transform: uppercase;
}

.page-contact .contact-meta__v {
  display: block;
  margin-top: .3rem;
  font-size: .92rem;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-place__note {
  margin: 1.2rem 0 0;
  font-size: .88rem;
  color: var(--muted);
}

.page-contact .contact-place__note a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 提交前准备 --- */
.page-contact .contact-prepare .filter-bar {
  margin-top: 1.3rem;
  flex-wrap: wrap;
}

.page-contact .prepare-list {
  display: grid;
  gap: .9rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .prepare-item {
  position: relative;
  padding: 1.2rem 1.05rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .prepare-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--neon), var(--violet));
}

.page-contact .prepare-item:hover {
  border-color: var(--neon);
  transform: translateY(-2px);
}

.page-contact .prepare-item__tag {
  display: inline-block;
  margin: 0;
  padding: .16rem .55rem;
  border: 1px solid var(--violet);
  border-radius: var(--radius);
  font-family: var(--font-num);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-contact .prepare-item__tag--data {
  border-color: var(--neon);
  color: var(--neon);
}

.page-contact .prepare-item__tag--hot {
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact .prepare-item__title {
  margin: .65rem 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-contact .prepare-item__list {
  margin: .7rem 0 0;
  padding: 0 0 0 1.05rem;
  list-style: none;
}

.page-contact .prepare-item__list li {
  position: relative;
  padding: .28rem 0;
  font-size: .87rem;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .prepare-item__list li::before {
  content: "";
  position: absolute;
  left: -1.05rem;
  top: .82rem;
  width: 6px;
  height: 6px;
  background: var(--neon);
  transform: rotate(45deg);
}

.page-contact .prepare-foot {
  margin: 1.35rem 0 0;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(30, 42, 120, .28);
  font-size: .88rem;
  line-height: 1.9;
  color: var(--text);
}

/* --- 平板及以上 --- */
@media (min-width: 760px) {
  .page-contact .contact-flow__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .page-contact .correction-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .partner-wrap {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 1.6rem;
    align-items: start;
  }

  .page-contact .contact-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .prepare-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* --- 桌面端 --- */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 2.4rem 0 3.2rem;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-contact .contact-hero__jump {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .65rem;
  }

  .page-contact .contact-jump {
    flex-direction: column;
    align-items: flex-start;
    gap: .45rem;
    padding: .9rem .95rem;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: 2.8rem;
    align-items: center;
  }

  .page-contact .contact-split__media {
    order: 2;
  }

  .page-contact .contact-split__text {
    order: 1;
  }

  .page-contact .correction-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-place {
    padding: 3.6rem 0;
  }

  .page-contact .prepare-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* --- 动效降级 --- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-board__pulse {
    animation: none;
  }

  .page-contact .contact-jump,
  .page-contact .prepare-item {
    transition: none;
  }

  .page-contact .contact-jump:hover,
  .page-contact .contact-jump:focus-visible,
  .page-contact .prepare-item:hover {
    transform: none;
  }
}