.page-contact {
  --contact-error: #C0392B;
  --contact-side: 248px;
  background: var(--cream);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 4.5vw, 2.6rem) 0 clamp(2.2rem, 6vw, 4.2rem);
  background:
    radial-gradient(130% 120% at 92% 4%, rgba(42, 91, 232, 0.45) 0%, rgba(42, 91, 232, 0) 62%),
    linear-gradient(158deg, var(--cobalt) 0%, var(--cobalt-deep) 100%);
  color: var(--cream);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 88px);
  pointer-events: none;
}

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

.page-contact .contact-hero .breadcrumb {
  color: rgba(247, 242, 231, 0.62);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 5vw, 3rem);
  margin-top: clamp(1rem, 3vw, 1.8rem);
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(2rem, 4vw, 3.6rem);
  }
}

.page-contact .contact-hero .index-label {
  color: var(--amber);
}

.page-contact .contact-hero .display {
  margin: 0.75rem 0 0;
  color: var(--cream);
}

.page-contact .contact-hero .lede {
  margin-top: 1rem;
  max-width: 40ch;
  color: rgba(247, 242, 231, 0.82);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-contact .contact-hero__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

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

.page-contact .contact-hero__facts {
  list-style: none;
  margin: clamp(1.8rem, 4vw, 2.8rem) 0 0;
  padding: clamp(1rem, 2.5vw, 1.3rem) 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
  }
}

.page-contact .contact-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
}

.page-contact .contact-hero__facts .num {
  color: var(--flame);
  font-size: 1.02rem;
}

.page-contact .contact-hero__facts span:last-child {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(247, 242, 231, 0.7);
}

/* ---------- 主体分栏 ---------- */
.page-contact .contact-body {
  padding: clamp(2rem, 5.5vw, 4rem) 0 clamp(2.6rem, 7vw, 5rem);
}

.page-contact .contact-body__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

@media (min-width: 1000px) {
  .page-contact .contact-body__grid {
    grid-template-columns: var(--contact-side) minmax(0, 1fr);
    gap: clamp(2.4rem, 4vw, 4rem);
    align-items: start;
  }
}

/* ---------- 侧栏 ---------- */
.page-contact .channel-nav {
  display: grid;
  gap: 1.1rem;
  align-content: start;
}

@media (min-width: 1000px) {
  .page-contact .channel-nav {
    position: sticky;
    top: 112px;
  }
}

.page-contact .channel-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
  counter-reset: cnav;
}

.page-contact .channel-nav__list a {
  display: grid;
  grid-template-columns: 1.7rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.58rem 0.6rem;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink);
  font-size: 0.93rem;
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .channel-nav__list a::before {
  counter-increment: cnav;
  content: "0" counter(cnav);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--mist);
}

.page-contact .channel-nav__list a:hover,
.page-contact .channel-nav__list a:focus-visible {
  background: rgba(23, 18, 13, 0.05);
  border-left-color: var(--flame);
  color: var(--cobalt);
}

@media (max-width: 999px) {
  .page-contact .channel-nav__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    gap: 0.5rem;
    padding-bottom: 0.35rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .page-contact .channel-nav__list::-webkit-scrollbar {
    display: none;
  }

  .page-contact .channel-nav__list a {
    grid-template-columns: minmax(0, 1fr);
    border-left: 0;
    border: 1px solid var(--line-cream);
    border-radius: 999px;
    padding: 0.45rem 0.85rem;
    background: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
  }

  .page-contact .channel-nav__list a::before {
    content: none;
  }
}

.page-contact .channel-nav__note {
  padding: 1rem 1.05rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-cream);
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(23, 18, 13, 0.78);
}

.page-contact .channel-nav__note strong {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
  color: var(--ink);
}

.page-contact .channel-nav__note a {
  color: var(--cobalt-lift);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 章节 ---------- */
.page-contact .contact-flow {
  display: grid;
}

.page-contact .contact-section {
  padding-top: clamp(1.8rem, 4vw, 2.8rem);
  padding-bottom: clamp(1.8rem, 4vw, 2.8rem);
  border-top: 1px solid var(--line-cream);
}

.page-contact .contact-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-section:last-child {
  padding-bottom: 0;
}

.page-contact .contact-section .h-section {
  margin-top: 0.35rem;
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-cards {
  display: grid;
  gap: 1rem;
  margin-top: 1.6rem;
}

@media (min-width: 760px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .channel-card {
  --accent: var(--flame);
  position: relative;
  display: grid;
  gap: 0.65rem;
  align-content: start;
  padding: 1.35rem 1.15rem 1.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-cream);
  background: #ffffff;
  box-shadow: 0 14px 30px -24px rgba(23, 18, 13, 0.4);
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 38px -24px rgba(23, 18, 13, 0.45);
}

.page-contact .channel-card:nth-child(2) {
  --accent: var(--amber);
}

.page-contact .channel-card:nth-child(3) {
  --accent: var(--cyan);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--accent);
}

.page-contact .channel-card__icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: rgba(23, 18, 13, 0.05);
  color: var(--cobalt);
}

.page-contact .channel-card__icon svg {
  width: 20px;
  height: 20px;
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(23, 18, 13, 0.76);
}

.page-contact .channel-card__foot {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
}

.page-contact .channel-card__foot a {
  color: var(--cobalt-lift);
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 91, 232, 0.35);
  padding-bottom: 1px;
}

.page-contact .channel-card__foot a:hover {
  border-bottom-color: var(--cobalt-lift);
}

/* ---------- 联系方式面板 ---------- */
.page-contact .reach-board {
  margin-top: 1.6rem;
  padding: clamp(1.15rem, 3vw, 1.9rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(110% 130% at 100% 0%, rgba(42, 91, 232, 0.38) 0%, rgba(42, 91, 232, 0) 58%),
    linear-gradient(150deg, var(--cobalt) 0%, var(--cobalt-deep) 100%);
  color: var(--cream);
  box-shadow: var(--shadow-soft);
}

.page-contact .reach-board .pill-row {
  margin-bottom: 0.4rem;
}

.page-contact .reach-board .pill {
  color: rgba(247, 242, 231, 0.78);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
}

.page-contact .reach-board .pill--active {
  background: var(--flame);
  border-color: var(--flame);
  color: #ffffff;
}

.page-contact .reach-panels {
  margin-top: 1.2rem;
}

.page-contact .reach-panel {
  display: block;
}

.page-contact .reach-panel[hidden] {
  display: none;
}

.page-contact .reach-panel + .reach-panel {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.page-contact .reach-panel__label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: rgba(247, 242, 231, 0.62);
}

.page-contact .reach-panel__value {
  margin: 0.5rem 0 0;
  font-size: clamp(1.05rem, 3.4vw, 1.5rem);
  letter-spacing: -0.01em;
  color: var(--amber);
  word-break: break-all;
}

.page-contact .reach-panel__value--plain {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 3vw, 1.28rem);
  font-weight: 600;
  color: var(--cream);
  letter-spacing: 0;
  word-break: normal;
}

.page-contact .reach-panel__note {
  margin: 0.7rem 0 0;
  max-width: 52ch;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(247, 242, 231, 0.79);
}

.page-contact .reach-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

/* ---------- 服务时段 ---------- */
.page-contact .service-window {
  margin-top: 1.6rem;
  padding-top: 1.3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.page-contact .service-window__title {
  margin: 0 0 0.8rem;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: rgba(247, 242, 231, 0.62);
}

.page-contact .service-window__track {
  position: relative;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  overflow: hidden;
}

.page-contact .service-window__fill {
  position: absolute;
  inset: 0 12.5% 0 37.5%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--flame), var(--amber));
}

.page-contact .service-window__ends {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 0.6rem;
  font-size: 0.78rem;
  color: rgba(247, 242, 231, 0.72);
}

.page-contact .service-window__note {
  margin: 0.7rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(247, 242, 231, 0.62);
}

/* ---------- 场馆纠错 ---------- */
.page-contact .correct-grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  margin-top: 1.6rem;
}

@media (min-width: 880px) {
  .page-contact .correct-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-contact .correct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: cstep;
}

.page-contact .correct-steps li {
  position: relative;
  padding: 0 0 1.5rem 3rem;
  counter-increment: cstep;
}

.page-contact .correct-steps li:last-child {
  padding-bottom: 0;
}

.page-contact .correct-steps li::before {
  content: counter(cstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--cobalt);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.page-contact .correct-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1rem;
  top: 2.3rem;
  bottom: 0.5rem;
  width: 1px;
  background: var(--line-cream);
}

.page-contact .correct-steps__title {
  margin: 0.2rem 0 0;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .correct-steps__note {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(23, 18, 13, 0.72);
}

.page-contact .correct-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .correct-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .correct-checklist {
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-cream);
  background: rgba(255, 255, 255, 0.66);
}

.page-contact .check-list {
  list-style: none;
  margin: 0.8rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

@media (min-width: 700px) {
  .page-contact .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1.6rem;
  }
}

.page-contact .check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.5rem 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(23, 18, 13, 0.86);
  cursor: pointer;
}

.page-contact .check-item__box {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.18rem 0 0;
  border: 1.5px solid var(--mist);
  border-radius: 5px;
  background: #ffffff;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .check-item__box:checked {
  background: var(--flame);
  border-color: var(--flame);
}

.page-contact .check-item__box:checked::after {
  content: "";
  display: block;
  width: 52%;
  height: 26%;
  margin: 20% auto 0;
  border-left: 2px solid #ffffff;
  border-bottom: 2px solid #ffffff;
  transform: rotate(-45deg);
}

.page-contact .correct-checklist__note {
  margin: 1rem 0 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: rgba(23, 18, 13, 0.66);
}

/* ---------- 合作与投稿 ---------- */
.page-contact .partner-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-contact .partner-card {
  display: grid;
  gap: 0.55rem;
  padding: 1.15rem 1.2rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-cream);
  border-left: 3px solid var(--pitch);
  background: rgba(255, 255, 255, 0.72);
  transition: background 0.22s var(--ease), border-left-color 0.22s var(--ease);
}

.page-contact .partner-card:hover {
  background: #ffffff;
  border-left-color: var(--flame);
}

.page-contact .partner-card__tag {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--flame-ink);
}

.page-contact .partner-card__title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.42;
  color: var(--ink);
}

.page-contact .partner-card__note {
  margin: 0;
  max-width: 66ch;
  font-size: 0.91rem;
  line-height: 1.78;
  color: rgba(23, 18, 13, 0.75);
}

.page-contact .partner-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.7rem;
  margin-top: 0.35rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--line-cream);
  font-size: 0.84rem;
}

.page-contact .partner-card__key {
  color: var(--mist);
}

.page-contact .partner-card__val {
  color: var(--ink);
  font-weight: 500;
}

.page-contact .cooperation-more {
  margin: 1.3rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(23, 18, 13, 0.7);
}

.page-contact .cooperation-more a {
  color: var(--cobalt-lift);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 表单 ---------- */
.page-contact .msg-form {
  margin-top: 1.6rem;
  padding: clamp(1.2rem, 3.4vw, 2.1rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-cream);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.7) 100%);
}

.page-contact .msg-form__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .page-contact .msg-form__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.2rem;
  }

  .page-contact .msg-form__field--wide {
    grid-column: 1 / -1;
  }
}

.page-contact .msg-form__field {
  display: grid;
  gap: 0.4rem;
}

.page-contact .msg-form__label {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgba(23, 18, 13, 0.75);
}

.page-contact .msg-form__input,
.page-contact .msg-form__select,
.page-contact .msg-form__textarea {
  width: 100%;
  padding: 0.78rem 0.9rem;
  border: 1px solid var(--line-cream);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--ink);
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.6;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .msg-form__textarea {
  resize: vertical;
  min-height: 7.5rem;
}

.page-contact .msg-form__input::placeholder,
.page-contact .msg-form__textarea::placeholder {
  color: rgba(140, 151, 171, 0.9);
}

.page-contact .msg-form__input:focus,
.page-contact .msg-form__select:focus,
.page-contact .msg-form__textarea:focus {
  outline: none;
  border-color: var(--flame);
  box-shadow: 0 0 0 3px rgba(255, 106, 26, 0.18);
}

.page-contact .msg-form__input:user-invalid,
.page-contact .msg-form__select:user-invalid,
.page-contact .msg-form__textarea:user-invalid {
  border-color: var(--contact-error);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.14);
}

.page-contact .msg-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.1rem;
  margin-top: 1.4rem;
}

.page-contact .msg-form__hint {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: rgba(23, 18, 13, 0.64);
}

.page-contact .msg-form__privacy {
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-cream);
  font-size: 0.83rem;
  line-height: 1.7;
  color: rgba(23, 18, 13, 0.6);
}

.page-contact .msg-form__privacy a {
  color: var(--cobalt-lift);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 焦点可见性 ---------- */
.page-contact .channel-nav__list a:focus-visible,
.page-contact .channel-card__foot a:focus-visible,
.page-contact .cooperation-more a:focus-visible,
.page-contact .msg-form__privacy a:focus-visible,
.page-contact .channel-nav__note a:focus-visible {
  outline: 2px solid var(--flame);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.page-contact .pill:focus-visible,
.page-contact .btn:focus-visible,
.page-contact .check-item__box:focus-visible {
  outline: 2px solid var(--flame);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .partner-card,
  .page-contact .msg-form__input,
  .page-contact .msg-form__select,
  .page-contact .msg-form__textarea,
  .page-contact .check-item__box,
  .page-contact .channel-nav__list a {
    transition: none;
  }

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