.page-contact {
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.005em;
  margin: 10px 0 0;
  color: var(--white);
}

.page-contact h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 20px 0 clamp(40px, 8vw, 92px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 76px 76px;
  opacity: 0.26;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 4px;
  background: var(--lime);
  pointer-events: none;
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__top {
  padding-top: 10px;
}

.page-contact .contact-hero__inner {
  padding-top: clamp(28px, 6vw, 64px);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 7.6vw, 68px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.012em;
  margin: 16px 0 0;
  max-width: 18ch;
}

.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-top: 28px;
}

/* ---------- 联系入口 ---------- */
.page-contact .contact-channels {
  padding: clamp(44px, 8vw, 96px) 0 clamp(40px, 7vw, 84px);
}

.page-contact .contact-channels__head {
  max-width: 46ch;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 5vw, 44px);
}

.page-contact .chan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 26px 20px 26px;
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(7px);
}

.page-contact .chan::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--lime);
}

.page-contact .chan--phone::before {
  background: var(--orange);
}

.page-contact .chan--addr::before {
  width: 76px;
  background: var(--silver);
}

.page-contact .chan__no {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--silver);
  opacity: 0.8;
  margin: 0;
}

.page-contact .chan__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--silver);
  margin: 0;
}

.page-contact .chan__value {
  font-size: clamp(17px, 3.4vw, 25px);
  line-height: 1.3;
  color: var(--white);
  margin: 2px 0 4px;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .chan--addr .chan__value {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(17px, 2.6vw, 22px);
}

.page-contact .chan__note {
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
  margin: 0;
}

/* ---------- 图片 ---------- */
.page-contact .contact-shot {
  margin: clamp(26px, 5vw, 46px) 0 0;
}

.page-contact .contact-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-contact .contact-shot figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--silver);
  opacity: 0.85;
}

/* ---------- 值守时间 ---------- */
.page-contact .contact-hours {
  padding: clamp(30px, 6vw, 60px) 0 clamp(46px, 8vw, 96px);
}

.page-contact .contact-hours__inner {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
}

.page-contact .contact-hours__lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .contact-hours__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-contact .contact-hours__list li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hours__list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hours__key {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-contact .contact-hours__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .contact-hours .contact-shot {
  margin-top: 0;
}

/* ---------- 反馈准备 ---------- */
.page-contact .contact-brief {
  padding: clamp(44px, 8vw, 96px) 0;
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-brief__lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .brief-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-contact .brief-list li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-contact .brief-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .brief-list__no {
  font-size: 13px;
  line-height: 1.6;
  color: var(--lime);
}

.page-contact .brief-list p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .contact-brief__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: 28px;
}

.page-contact .contact-brief__foot p {
  margin: 0;
  flex: 1 1 240px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 合作与建议 ---------- */
.page-contact .contact-partner {
  padding: clamp(46px, 8vw, 96px) 0 clamp(16px, 3vw, 30px);
}

.page-contact .contact-partner__card {
  position: relative;
  padding: clamp(24px, 5vw, 56px);
  background: var(--surface);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), calc(100% - 44px) 100%, 0 100%);
  overflow: hidden;
}

.page-contact .contact-partner__card::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 220px;
  height: 220px;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: 0 0 0 22px rgba(184, 255, 61, 0.06);
  pointer-events: none;
}

.page-contact .contact-partner__lede {
  position: relative;
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .contact-partner__list {
  position: relative;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-partner__list li {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--lime);
}

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

.page-contact .contact-partner__list li:nth-child(3) {
  border-left-color: var(--silver);
}

.page-contact .contact-partner__list strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .contact-partner__list span {
  font-size: 15px;
  line-height: 1.65;
  color: var(--silver);
}

.page-contact .contact-partner__mail {
  position: relative;
  margin: 28px 0 20px;
  font-size: clamp(15px, 2.4vw, 19px);
  letter-spacing: 0.01em;
  color: var(--lime);
  word-break: break-word;
}

/* ---------- 地区与备案 ---------- */
.page-contact .contact-legal {
  padding: clamp(36px, 6vw, 68px) 0 0;
}

.page-contact .contact-legal__band {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-legal__band dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--silver);
  opacity: 0.85;
}

.page-contact .contact-legal__band dd {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-legal__band dd.mono {
  font-family: var(--font-mono);
}

/* ---------- 快捷入口 ---------- */
.page-contact .contact-faq {
  padding: clamp(44px, 8vw, 96px) 0 clamp(56px, 9vw, 110px);
}

.page-contact .contact-faq__list {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
}

.page-contact .contact-faq__list li:last-child a {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-faq__list a {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 2px 10px;
  padding: 18px 6px 18px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--white);
  transition: background-color 160ms ease, padding-left 160ms ease;
}

.page-contact .contact-faq__list a:hover,
.page-contact .contact-faq__list a:focus-visible {
  background: rgba(184, 255, 61, 0.07);
  padding-left: 8px;
}

.page-contact .contact-faq__list a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 1px;
}

.page-contact .contact-faq__no {
  font-size: 12px;
  line-height: 1.9;
  color: var(--lime);
}

.page-contact .contact-faq__t {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .contact-faq__d {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.6;
  color: var(--silver);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-legal__band {
    grid-template-columns: repeat(4, 1fr);
    align-items: start;
    gap: 20px;
  }

  .page-contact .contact-faq__list a {
    grid-template-columns: 46px 1fr;
    gap: 0 14px;
    align-items: baseline;
  }

  .page-contact .contact-faq__d {
    grid-column: 2;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 20px 24px;
  }

  .page-contact .chan--mail {
    grid-column: 1 / span 6;
  }

  .page-contact .chan--phone {
    grid-column: 8 / span 5;
    margin-top: 44px;
  }

  .page-contact .chan--addr {
    grid-column: 2 / span 7;
    margin-top: 8px;
  }

  .page-contact .contact-hours__inner {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: start;
  }

  .page-contact .contact-hours__text {
    padding-top: 12px;
  }

  .page-contact .contact-shot--wide img {
    aspect-ratio: 21 / 8;
  }

  .page-contact .contact-shot--tall {
    margin-top: 20px;
  }

  .page-contact .brief-list li {
    grid-template-columns: 56px 1fr;
    gap: 20px;
  }

  .page-contact .contact-partner__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-faq__list a {
    transition: none;
  }
}