.page-contact {
  --pc-card: rgba(18, 38, 30, .72);
  --pc-card-strong: rgba(11, 26, 20, .92);
  --pc-cream-rule: rgba(11, 26, 20, .22);
  background: var(--tvt-deep);
  color: var(--tvt-cream);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
}

.page-contact .contact-hero__title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(44px, 10vw, 112px);
  line-height: .94;
  letter-spacing: .012em;
  color: var(--tvt-cream);
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  margin: 22px 0 0;
  font-size: clamp(16px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--tvt-paper);
}

.page-contact .contact-hero__note {
  max-width: 48ch;
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--hair-strong);
  font-size: 14px;
  line-height: 1.75;
  color: var(--tvt-sage);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 45%;
  background: linear-gradient(180deg, rgba(11, 26, 20, 0) 0%, rgba(11, 26, 20, .88) 100%);
  pointer-events: none;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .contact-hero__caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  margin: 0;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--tvt-paper);
}

@media (min-width: 940px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .channel {
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--pc-card);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--tvt-lime);
  transition: background var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}

.page-contact .channel:hover {
  background: var(--pc-card-strong);
  border-color: var(--hair-strong);
  border-left-color: var(--tvt-lime);
}

.page-contact .channel__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--tvt-lime);
}

.page-contact .channel__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--tvt-lime);
}

.page-contact .channel__name {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--tvt-cream);
}

.page-contact .channel__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.5;
  color: var(--tvt-cream);
  word-break: break-word;
  user-select: all;
}

.page-contact .channel--address .channel__value {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
}

.page-contact .channel__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--tvt-paper);
}

.page-contact .channel__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--tvt-sage);
}

.page-contact .channel-visual {
  position: relative;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  border: 1px solid var(--hair);
  overflow: hidden;
}

.page-contact .channel-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  opacity: .8;
}

@media (min-width: 860px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 纠错清单 ---------- */
.page-contact .fixlist {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-contact .fixlist__row {
  border-bottom: 1px solid var(--hair);
  transition: background var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}

.page-contact .fixlist__row:has(.fixlist__check:checked) {
  background: var(--pc-card-strong);
  border-bottom-color: var(--hair-strong);
}

.page-contact .fixlist__label {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: clamp(16px, 2vw, 22px) clamp(14px, 2vw, 20px) 10px;
  cursor: pointer;
}

.page-contact .fixlist__check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-contact .fixlist__box {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--hair-strong);
  background: transparent;
  transition: background var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}

.page-contact .fixlist__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--tvt-ink);
  border-bottom: 2px solid var(--tvt-ink);
  transform: rotate(45deg) scale(.4);
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-contact .fixlist__check:checked + .fixlist__box {
  background: var(--tvt-lime);
  border-color: var(--tvt-lime);
}

.page-contact .fixlist__check:checked + .fixlist__box::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.page-contact .fixlist__check:focus-visible + .fixlist__box {
  outline: 2px solid var(--tvt-blue);
  outline-offset: 3px;
}

.page-contact .fixlist__body {
  display: block;
  min-width: 0;
}

.page-contact .fixlist__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 1.9vw, 22px);
  letter-spacing: .02em;
  line-height: 1.2;
  color: var(--tvt-cream);
}

.page-contact .fixlist__desc {
  display: block;
  max-width: 64ch;
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--tvt-paper);
}

.page-contact .fixlist__extra {
  margin: 0;
  padding: 0 clamp(14px, 2vw, 20px) clamp(16px, 2vw, 22px) 52px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--tvt-sage);
}

/* ---------- 商务合作 ---------- */
.page-contact .co-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
}

.page-contact .eyebrow--orange {
  color: var(--tvt-orange);
}

.page-contact .co__text {
  max-width: 52ch;
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--tvt-paper);
}

.page-contact .co__list {
  margin: 0;
  border-top: 1px solid var(--hair);
}

.page-contact .co__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair);
}

.page-contact .co__item dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--tvt-orange);
}

.page-contact .co__item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--tvt-paper);
}

@media (min-width: 620px) {
  .page-contact .co__item {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .co-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

/* ---------- 先自查 ---------- */
.page-contact .self-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .self-card {
  display: block;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--hair);
  background: linear-gradient(160deg, rgba(18, 38, 30, .72), rgba(11, 26, 20, .18));
  color: inherit;
  text-decoration: none;
  transition: border-color var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
}

.page-contact .self-card:hover {
  border-color: var(--tvt-lime);
  background: linear-gradient(160deg, rgba(18, 38, 30, .92), rgba(11, 26, 20, .34));
}

.page-contact .self-card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--tvt-lime);
}

.page-contact .self-card__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.15;
  letter-spacing: .02em;
  color: var(--tvt-cream);
}

.page-contact .self-card__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--tvt-paper);
}

.page-contact .self-card__go {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--tvt-blue);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-mid) var(--ease);
}

.page-contact .self-card:hover .self-card__go {
  border-bottom-color: var(--tvt-blue);
}

@media (min-width: 760px) {
  .page-contact .self-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 地址与备案（反色块） ---------- */
.page-contact .contact-filing {
  color: var(--tvt-deep);
}

.page-contact .contact-filing .eyebrow {
  color: var(--tvt-brick);
}

.page-contact .contact-filing .section-title {
  color: var(--tvt-deep);
}

.page-contact .filing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 48px);
}

.page-contact .filing__desc {
  max-width: 46ch;
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(11, 26, 20, .78);
}

.page-contact .filing__list {
  margin: 0;
  border-top: 1px solid var(--pc-cream-rule);
}

.page-contact .filing__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-cream-rule);
}

.page-contact .filing__row dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(11, 26, 20, .58);
}

.page-contact .filing__row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--tvt-deep);
}

.page-contact .filing__icp {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: .02em;
}

.page-contact .filing__note {
  grid-column: 1 / -1;
  margin: clamp(6px, 1.5vw, 14px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(11, 26, 20, .72);
}

@media (min-width: 560px) {
  .page-contact .filing__row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .filing-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .fixlist__row,
  .page-contact .fixlist__box,
  .page-contact .fixlist__box::after,
  .page-contact .self-card,
  .page-contact .self-card__go {
    transition: none;
  }
}