/* ===== 意见反馈页 / page-contact ===== */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(56px, 9vw, 104px) 0 clamp(40px, 6vw, 68px);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "06";
  position: absolute;
  top: -0.1em;
  right: -0.05em;
  font-family: var(--font-mono);
  font-size: clamp(9rem, 28vw, 22rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.08em;
  color: var(--steel);
  opacity: 0.42;
  pointer-events: none;
  user-select: none;
}

.page-contact .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .crumbs__list a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed var(--steel);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .crumbs__list a:hover,
.page-contact .crumbs__list a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-contact .crumbs__list [aria-current="page"] {
  color: var(--neon);
}

.page-contact .eyebrow {
  display: block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  color: var(--violet);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
  text-shadow: 3px 3px 0 var(--neon), 0 0 48px rgba(53, 255, 139, 0.16);
}

.page-contact .contact-hero__lead {
  max-width: 60ch;
  margin: 26px 0 0;
  font-size: clamp(0.98rem, 2.2vw, 1.1rem);
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .contact-hero__rule {
  display: block;
  width: 96px;
  height: 3px;
  margin-top: 32px;
  background: linear-gradient(90deg, var(--neon), var(--violet), transparent);
  transform: skewX(-26deg);
  transform-origin: left center;
}

/* ---------- 双栏骨架 ---------- */

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  padding-bottom: clamp(64px, 9vw, 112px);
}

.page-contact .contact-col {
  min-width: 0;
}

/* ---------- 章节体系 ---------- */

.page-contact .chapter {
  margin-bottom: clamp(48px, 7vw, 78px);
}

.page-contact .chapter:last-child {
  margin-bottom: 0;
}

.page-contact .chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-contact .chapter__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--neon);
  opacity: 0.55;
  transition: opacity 0.5s ease;
}

.page-contact .chapter__num.is-lit {
  opacity: 1;
}

.page-contact .chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.4vw, 1.8rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .chapter__lead {
  max-width: 62ch;
  margin: 0 0 24px;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 01 反馈类型 ---------- */

.page-contact .type-list {
  display: grid;
  gap: 16px;
}

.page-contact .type-item {
  --accent: var(--neon);
  position: relative;
  padding: 20px 22px 20px 74px;
  background: var(--panel);
  border: 1px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.page-contact .type-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent);
}

.page-contact .type-item--orange { --accent: var(--orange); }
.page-contact .type-item--violet { --accent: var(--violet); }
.page-contact .type-item--gold { --accent: var(--gold); }

.page-contact .type-item__num {
  position: absolute;
  left: 22px;
  top: 23px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.page-contact .type-item__name {
  margin: 0 0 7px;
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .type-item__text {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .type-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

/* ---------- 02 填写指引 ---------- */

.page-contact .chapter--guide {
  position: relative;
  padding: clamp(24px, 3.6vw, 38px);
  background: linear-gradient(150deg, rgba(14, 36, 80, 0.95), rgba(6, 22, 51, 0.72));
  border: 1px solid var(--steel);
  border-left: 3px solid var(--violet);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-contact .chapter--guide > * {
  position: relative;
}

.page-contact .guide__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  mix-blend-mode: screen;
  pointer-events: none;
}

.page-contact .guide__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .guide__list li {
  position: relative;
  padding-left: 30px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .guide__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border: 2px solid var(--neon);
  transform: rotate(45deg) skewX(-8deg);
}

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

.page-contact .tpl__cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-contact .tpl__body {
  margin: 0;
  padding: 18px 18px;
  background: rgba(6, 22, 51, 0.88);
  border: 1px dashed var(--steel);
  border-left: 3px solid var(--violet);
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 1.95;
  color: var(--white);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

/* ---------- 03 处理流程 ---------- */

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

.page-contact .flow__step {
  position: relative;
  padding-left: 46px;
}

.page-contact .flow__num {
  position: absolute;
  left: 0;
  top: 2px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--neon);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.page-contact .flow__title {
  margin: 4px 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.page-contact .flow__text {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 04 反馈示例 ---------- */

.page-contact .samples {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .sample {
  padding: 18px 20px;
  background: rgba(29, 50, 96, 0.4);
  border-left: 3px solid var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-contact .sample:nth-child(2) { border-left-color: var(--violet); }
.page-contact .sample:nth-child(3) { border-left-color: var(--gold); }

.page-contact .sample__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--white);
}

.page-contact .sample__tip {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 联系信息卡 ---------- */

.page-contact .contact-aside {
  min-width: 0;
}

.page-contact .contact-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--neon), var(--violet));
  z-index: 2;
}

.page-contact .contact-card__media {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 9;
  max-height: 200px;
  overflow: hidden;
}

.page-contact .contact-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-contact .contact-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 22, 51, 0.1), rgba(14, 36, 80, 0.96));
}

.page-contact .contact-card__body {
  padding: 24px 22px 26px;
}

.page-contact .contact-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--white);
}

.page-contact .contact-card__lead {
  margin: 0 0 22px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-list {
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-list__row {
  display: grid;
  gap: 4px;
  margin: 0;
}

.page-contact .contact-list__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-contact .contact-list__val {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-list__val--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-contact .contact-card__note {
  margin: 0 0 22px;
  padding-top: 18px;
  border-top: 1px solid var(--steel);
  font-size: 0.83rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-card__actions {
  display: grid;
  gap: 10px;
}

.page-contact .contact-card__actions .btn {
  width: 100%;
  text-align: center;
}

.page-contact .contact-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-contact .contact-card__foot a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-card__foot a:hover,
.page-contact .contact-card__foot a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .flow__step {
    padding-left: 0;
    padding-top: 52px;
  }

  .page-contact .flow__num {
    top: 0;
  }

  .page-contact .flow__step::after {
    content: "";
    position: absolute;
    top: 15px;
    left: 44px;
    right: -22px;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--steel) 0 8px, transparent 8px 15px);
  }

  .page-contact .flow__step:last-child::after {
    display: none;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 28px;
  }

  .page-contact .contact-card__body {
    padding: 26px 24px 28px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 366px;
    gap: 64px;
  }
}

@media (max-width: 600px) {
  .page-contact .type-item {
    padding: 18px 18px 18px 62px;
  }

  .page-contact .type-item__num {
    left: 18px;
    top: 21px;
  }

  .page-contact .contact-hero__title {
    text-shadow: 2px 2px 0 var(--neon);
  }

  .page-contact .tpl__body {
    font-size: 0.78rem;
    padding: 15px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .type-item,
  .page-contact .chapter__num,
  .page-contact .contact-card__foot a {
    transition: none;
  }

  .page-contact .type-item:hover {
    transform: none;
  }
}