/* ===== 意见反馈页 · 页面专属样式（作用域 .page-contact） ===== */
.page-contact {
  --contact-pad: clamp(56px, 8vw, 104px);
  --contact-gap: clamp(18px, 2.6vw, 30px);
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-body);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(28px, 5vw, 56px)) 0 clamp(80px, 11vw, 142px);
  background:
    radial-gradient(110% 82% at 86% 6%, rgba(44, 232, 213, .22), transparent 60%),
    radial-gradient(78% 68% at 2% 98%, rgba(255, 61, 139, .16), transparent 62%),
    linear-gradient(158deg, var(--table-green) 0%, var(--table-green) 44%, var(--night-blue) 100%);
  color: var(--on-dark-strong);
  isolation: isolate;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: clamp(40px, 6vw, 76px);
  background: var(--ivory);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(34px, 5vw, 56px);
  align-items: center;
}

.page-contact .contact-hero .breadcrumb {
  font-family: var(--font-ui);
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-contact .contact-hero .breadcrumb a {
  color: var(--on-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 1px;
}

.page-contact .contact-hero .breadcrumb a:hover {
  color: var(--neon-cyan);
}

.page-contact .contact-hero .eyebrow {
  margin-top: 18px;
  color: var(--neon-cyan);
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.35rem, 6.6vw, 4.7rem);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--on-dark-strong);
}

.page-contact .contact-hero__lede {
  margin-top: 22px;
  max-width: 33em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .contact-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
}

.page-contact .contact-hero__meta-item dt {
  font-family: var(--font-ui);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-hero__meta-item dd {
  margin: 7px 0 0;
  font-size: .95rem;
  color: var(--neon-cyan);
}

.page-contact .contact-hero__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  border: 1px solid var(--line-cyan);
}

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

/* ---------- 渠道分流 ---------- */
.page-contact .contact-route {
  padding: var(--contact-pad) 0 calc(var(--contact-pad) * .72);
  background: var(--ivory);
}

.page-contact .contact-route .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  letter-spacing: -.01em;
  margin: 10px 0 0;
  color: var(--ink);
}

.page-contact .contact-route .section-head .lede {
  margin-top: 14px;
  max-width: 36em;
  color: var(--on-light-soft);
}

.page-contact .route-grid {
  display: grid;
  gap: var(--contact-gap);
  margin-top: clamp(30px, 4vw, 46px);
}

.page-contact .route-card {
  position: relative;
  padding: 30px 26px 26px;
  background: #FFFFFF;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--accent, var(--neon-cyan));
}

.page-contact .route-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.page-contact .route-card--cyan { --accent: var(--neon-cyan); }
.page-contact .route-card--magenta { --accent: var(--chip-magenta); }
.page-contact .route-card--gold { --accent: var(--gold); }

.page-contact .route-card__num {
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--accent, var(--neon-cyan));
}

.page-contact .route-card h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--ink);
}

.page-contact .route-card p {
  margin: 12px 0 0;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--on-light-soft);
}

.page-contact .route-card p a {
  color: var(--table-green);
  text-decoration: none;
  border-bottom: 1px solid var(--accent, var(--neon-cyan));
}

.page-contact .route-card p a:hover {
  color: var(--chip-red);
}

.page-contact .route-card__hint {
  padding-left: 12px;
  border-left: 3px solid var(--accent, var(--neon-cyan));
  color: var(--ink);
}

.page-contact .route-card__link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: .92rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--accent, var(--neon-cyan));
  padding-bottom: 3px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .route-card__link:hover {
  color: var(--accent, var(--neon-cyan));
}

/* ---------- 页脚入口 ---------- */
.page-contact .contact-entry {
  position: relative;
  padding: clamp(64px, 9vw, 118px) 0 clamp(64px, 9vw, 110px);
  background: linear-gradient(178deg, #0A1A2E 0%, var(--night-blue) 62%, #09101F 100%);
  color: var(--on-dark-strong);
  overflow: hidden;
}

.page-contact .contact-entry::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: clamp(30px, 5vw, 62px);
  background: var(--ivory);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  pointer-events: none;
}

.page-contact .contact-entry__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

.page-contact .contact-entry .eyebrow {
  color: var(--arcade-green);
}

.page-contact .contact-entry h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--on-dark-strong);
}

.page-contact .contact-entry__lede {
  margin-top: 16px;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.86;
  color: var(--on-dark);
}

.page-contact .entry-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .entry-points li {
  display: grid;
  gap: 4px;
  padding: 16px 0 16px 18px;
  border-left: 3px solid var(--line-cyan);
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .entry-points li:first-child {
  border-top: 1px solid var(--line-dark);
}

.page-contact .entry-points strong {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: .94rem;
  letter-spacing: .04em;
  color: var(--neon-cyan);
}

.page-contact .entry-points span {
  font-size: .94rem;
  line-height: 1.78;
  color: var(--on-dark);
}

.page-contact .contact-entry .btn--cyan {
  margin-top: 28px;
}

.page-contact .contact-entry__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-cyan);
}

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

.page-contact .contact-entry__media .media-frame__caption {
  font-family: var(--font-ui);
  font-size: .78rem;
  letter-spacing: .03em;
  color: var(--mist);
}

/* ---------- 联络表 + 提交清单 ---------- */
.page-contact .contact-board {
  padding: var(--contact-pad) 0;
  background: var(--ivory);
}

.page-contact .contact-board__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .contact-board__head .lede {
  margin-top: 14px;
  max-width: 36em;
  color: var(--on-light-soft);
}

.page-contact .contact-board__grid {
  display: grid;
  gap: var(--contact-gap);
  margin-top: clamp(30px, 4vw, 46px);
}

.page-contact .channel-item {
  position: relative;
  padding: 26px 24px 24px 30px;
  background: #FFFFFF;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .channel-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--accent, var(--neon-cyan));
}

.page-contact .channel-item + .channel-item {
  margin-top: 16px;
}

.page-contact .channel-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lift);
}

.page-contact .channel-item--email { --accent: var(--neon-cyan); }
.page-contact .channel-item--phone { --accent: var(--chip-red); }
.page-contact .channel-item--post { --accent: var(--gold); }

.page-contact .channel-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .channel-item__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  color: var(--ink);
}

.page-contact .channel-item__badge {
  padding: 3px 9px;
  border-radius: 999px;
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--table-green);
  background: var(--notice-cyan);
  border: 1px solid var(--line-cyan);
}

.page-contact .channel-item__value {
  margin: 14px 0 0;
  font-family: var(--font-ui);
  font-size: 1.16rem;
  font-weight: 700;
  line-height: 1.5;
  word-break: break-word;
}

.page-contact .channel-item__value--text {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .channel-item__value a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--accent, var(--neon-cyan));
  padding-bottom: 2px;
}

.page-contact .channel-item__value a:hover {
  color: var(--accent, var(--neon-cyan));
}

.page-contact .channel-item__time {
  margin: 10px 0 0;
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--table-green);
}

.page-contact .channel-item__desc {
  margin: 12px 0 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--on-light-soft);
}

.page-contact .submit-kit {
  padding: clamp(26px, 4vw, 38px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 60% at 92% 0%, rgba(255, 61, 139, .22), transparent 60%),
    linear-gradient(165deg, var(--table-green) 0%, #123A46 46%, var(--night-blue) 100%);
  color: var(--on-dark-strong);
  box-shadow: var(--shadow-lift);
}

.page-contact .submit-kit .eyebrow {
  color: var(--neon-cyan);
}

.page-contact .submit-kit h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  line-height: 1.24;
  color: var(--on-dark-strong);
}

.page-contact .submit-kit__lede {
  margin: 12px 0 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--on-dark);
}

.page-contact .kit-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .kit-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 13px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--line-dark);
}

.page-contact .kit-box {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1.5px solid var(--neon-cyan);
  border-radius: 5px;
  background: rgba(44, 232, 213, .1);
  position: relative;
}

.page-contact .kit-box::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 2px;
  background: var(--arcade-green);
}

.page-contact .kit-item strong {
  display: block;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--neon-cyan);
}

.page-contact .kit-item__text {
  display: block;
  margin-top: 6px;
  font-size: .9rem;
  line-height: 1.76;
  color: var(--on-dark);
}

.page-contact .kit-item__text .mono {
  color: var(--on-dark-strong);
}

.page-contact .submit-kit__foot {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-cyan);
  font-size: .9rem;
  line-height: 1.8;
  color: var(--on-dark);
}

/* ---------- 底部信息带 ---------- */
.page-contact .contact-base {
  padding: 22px 0;
  background: var(--night-blue);
  border-top: 1px solid var(--line-dark);
}

.page-contact .contact-base__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-ui);
  font-size: .8rem;
  letter-spacing: .03em;
  color: var(--mist);
}

.page-contact .contact-base__inner p {
  margin: 0;
}

.page-contact .contact-base__inner .mono {
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

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

  .page-contact .contact-entry__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }

  .page-contact .contact-board__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero__inner {
    gap: 68px;
  }

  .page-contact .contact-entry__grid {
    gap: 72px;
  }

  .page-contact .contact-board__grid {
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .channel-item {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .channel-item:hover {
    transform: none;
  }
}