/* ================= 联系通道页 · page-contact ================= */
.page-contact {
  --ct-hair: rgba(11, 14, 20, 0.14);
  --ct-hair-dark: rgba(245, 247, 250, 0.14);
  --ct-gap: clamp(16px, 2.6vw, 28px);
  --ct-ease: var(--ease);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .section {
  padding-top: clamp(48px, 8vw, 96px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: clamp(16px, 3vw, 26px) 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

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

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

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: clamp(16px, 3vw, 28px);
  padding: clamp(34px, 6.4vw, 76px) 0 clamp(40px, 7vw, 88px);
  background: var(--space);
  color: var(--paper);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  margin: 0;
}

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

.page-contact .ct-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(155deg, rgba(0, 87, 184, 0.42) 0%, rgba(26, 29, 36, 0.86) 54%, rgba(11, 14, 20, 0.96) 100%);
}

.page-contact .ct-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(28px, 4.4vw, 52px);
  align-items: end;
}

.page-contact .ct-hero .eyebrow {
  color: var(--neon);
  margin: 0 0 14px;
}

.page-contact .ct-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.6vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 15em;
}

.page-contact .ct-lede {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.72;
  color: rgba(245, 247, 250, 0.78);
}

.page-contact .ct-quickbar {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-hair-dark);
  border: 1px solid var(--ct-hair-dark);
}

.page-contact .ct-quickbar > li {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: rgba(11, 14, 20, 0.58);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-contact .ct-quickbar__k {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245, 247, 250, 0.62);
}

.page-contact .ct-quickbar__k::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon);
  animation: ct-pulse 1.6s var(--ct-ease) infinite;
}

@keyframes ct-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.28; }
}

.page-contact .ct-quickbar__v {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.9vw, 1.06rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 锚点条 ---------- */
.page-contact .ct-jump {
  background: var(--ink);
  border-top: 1px solid var(--ct-hair-dark);
  border-bottom: 1px solid var(--ct-hair-dark);
}

.page-contact .ct-jump__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 12px 0;
}

.page-contact .ct-jump__label {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .ct-jump a {
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--ct-hair-dark);
  transition: color 0.2s var(--ct-ease), border-color 0.2s var(--ct-ease), background-color 0.2s var(--ct-ease);
}

.page-contact .ct-jump a:hover,
.page-contact .ct-jump a:focus-visible {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

/* ---------- 三条通道 ---------- */
.page-contact .ct-channels__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .ct-channels__head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .ct-channels__head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-contact .ct-channels__head p {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-channels__list {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-channel {
  --ct-bg: var(--paper);
  --ct-fg: var(--ink);
  --ct-accent: var(--blue);
  --ct-hairline: var(--ct-hair);
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2.2vw, 22px);
  padding: clamp(20px, 3vw, 28px);
  background: var(--ct-bg);
  color: var(--ct-fg);
  border: 1px solid var(--ct-hairline);
  transition: border-color 0.25s var(--ct-ease), transform 0.25s var(--ct-ease), box-shadow 0.25s var(--ct-ease);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  border-color: var(--ct-accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(11, 14, 20, 0.14);
}

.page-contact .ct-channel--mail {
  --ct-bg: var(--blue);
  --ct-fg: var(--paper);
  --ct-accent: var(--neon);
  --ct-hairline: rgba(245, 247, 250, 0.2);
}

.page-contact .ct-channel--phone {
  --ct-bg: var(--space);
  --ct-fg: var(--paper);
  --ct-accent: var(--alert);
  --ct-hairline: rgba(245, 247, 250, 0.16);
}

.page-contact .ct-channel--addr {
  --ct-bg: var(--paper);
  --ct-fg: var(--ink);
  --ct-accent: var(--blue);
  --ct-hairline: var(--ct-hair);
  border-left: 4px solid var(--blue);
}

.page-contact .ct-channel__no {
  flex: none;
  width: clamp(46px, 8vw, 68px);
  padding-right: clamp(8px, 1.4vw, 16px);
  border-right: 2px solid var(--ct-accent);
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  text-align: right;
  color: var(--ct-accent);
}

.page-contact .ct-channel__body {
  min-width: 0;
}

.page-contact .ct-channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.8vw, 1.14rem);
  letter-spacing: 0.01em;
  color: var(--ct-fg);
}

.page-contact .ct-channel__val {
  margin: 10px 0 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.92rem, 2.1vw, 1.2rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ct-accent);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.68;
  color: var(--ct-fg);
  opacity: 0.82;
}

.page-contact .ct-channel__hint {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ct-fg);
  opacity: 0.55;
}

/* ---------- 右栏 ---------- */
.page-contact .ct-channels__aside {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  align-content: start;
}

.page-contact .ct-figure {
  margin: 0;
  background: var(--space);
  border: 1px solid var(--ct-hair-dark);
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--ct-hair-dark);
  font-size: 0.82rem;
  line-height: 1.62;
  color: rgba(245, 247, 250, 0.72);
}

.page-contact .ct-aside__note {
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--mist);
  border-left: 3px solid var(--blue);
}

.page-contact .ct-aside__note .eyebrow {
  color: var(--blue);
  margin: 0 0 10px;
}

.page-contact .ct-aside__note p:last-child {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 响应节奏 ---------- */
.page-contact .ct-response {
  background: var(--space);
  color: var(--paper);
}

.page-contact .ct-response__grid {
  display: grid;
  gap: clamp(32px, 4.6vw, 56px);
}

.page-contact .ct-response .eyebrow {
  color: var(--neon);
  margin: 0 0 14px;
}

.page-contact .ct-response__head h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-response__head > p {
  margin: 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.72;
  color: rgba(245, 247, 250, 0.74);
}

.page-contact .ct-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 3.4vw, 34px);
  background: var(--ct-hair-dark);
  border: 1px solid var(--ct-hair-dark);
}

.page-contact .ct-stat {
  padding: 18px 16px;
  background: var(--space);
}

.page-contact .ct-response .stat__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.2rem, 6.4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--neon);
}

.page-contact .ct-response .stat__unit {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 250, 0.6);
}

.page-contact .ct-stat__label {
  margin: 10px 0 0;
  font-size: 0.84rem;
  line-height: 1.55;
  color: rgba(245, 247, 250, 0.68);
}

.page-contact .ct-response__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-response__list > li {
  padding: clamp(18px, 2.6vw, 24px) 0;
  border-top: 1px solid var(--ct-hair-dark);
}

.page-contact .ct-response__list > li:last-child {
  border-bottom: 1px solid var(--ct-hair-dark);
}

.page-contact .ct-response__list h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .ct-response__list p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: rgba(245, 247, 250, 0.7);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .ct-partner {
  background: var(--paper);
}

.page-contact .ct-partner__grid {
  display: grid;
  gap: clamp(28px, 4.2vw, 52px);
}

.page-contact .ct-partner__text .eyebrow {
  color: var(--blue);
  margin: 0 0 14px;
}

.page-contact .ct-partner__text h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .ct-partner__text p {
  margin: 0 0 16px;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.86;
}

.page-contact .ct-partner__text p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-partner__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-hair);
  border: 1px solid var(--ct-hair);
  align-content: start;
}

.page-contact .ct-partner__list > li {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 20px);
  background: var(--paper);
  transition: background-color 0.2s var(--ct-ease);
}

.page-contact .ct-partner__list > li:hover {
  background: var(--mist);
}

.page-contact .ct-partner__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-contact .ct-partner__val {
  font-size: 0.95rem;
  line-height: 1.62;
  color: var(--ink);
}

/* ---------- 提交清单 ---------- */
.page-contact .ct-checklist {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .ct-checklist__head {
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

.page-contact .ct-checklist__head .eyebrow {
  color: var(--alert);
  margin: 0 0 14px;
}

.page-contact .ct-checklist__head h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-checklist__head p {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.72;
  color: rgba(245, 247, 250, 0.72);
}

.page-contact .ct-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-hair-dark);
  border: 1px solid var(--ct-hair-dark);
}

.page-contact .ct-check__item {
  background: var(--ink);
}

.page-contact .ct-check__item label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(15px, 2.2vw, 20px);
  cursor: pointer;
  transition: background-color 0.2s var(--ct-ease);
}

.page-contact .ct-check__item label:hover {
  background: rgba(0, 87, 184, 0.16);
}

.page-contact .ct-check__input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  display: grid;
  place-content: center;
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  border: 1px solid var(--steel);
  background: transparent;
  cursor: pointer;
  transition: background-color 0.2s var(--ct-ease), border-color 0.2s var(--ct-ease);
}

.page-contact .ct-check__input::after {
  content: "";
  width: 10px;
  height: 5px;
  margin-top: -2px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(-45deg) scale(0);
  transition: transform 0.18s var(--ct-ease);
}

.page-contact .ct-check__input:checked {
  background: var(--neon);
  border-color: var(--neon);
}

.page-contact .ct-check__input:checked::after {
  transform: rotate(-45deg) scale(1);
}

.page-contact .ct-check__input:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-contact .ct-check__text {
  font-size: 0.98rem;
  line-height: 1.6;
  color: rgba(245, 247, 250, 0.86);
}

.page-contact .ct-check__input:checked + .ct-check__text {
  color: var(--neon);
}

/* ---------- 换入口 ---------- */
.page-contact .ct-next {
  background: var(--paper);
}

.page-contact .ct-next h2 {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.1vw, 1.95rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .ct-next__list {
  list-style: none;
  margin: 0 0 clamp(30px, 4.4vw, 48px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-hair);
  border-top: 1px solid var(--ct-hair);
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-next__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx label"
    "idx desc";
  column-gap: clamp(14px, 2.4vw, 24px);
  row-gap: 6px;
  padding: clamp(18px, 2.6vw, 24px) clamp(12px, 1.8vw, 20px);
  background: var(--paper);
  text-decoration: none;
  color: var(--ink);
  border-left: 3px solid transparent;
  transition: border-color 0.22s var(--ct-ease), background-color 0.22s var(--ct-ease), transform 0.22s var(--ct-ease);
}

.page-contact .ct-next__list a:hover,
.page-contact .ct-next__list a:focus-visible {
  border-left-color: var(--blue);
  background: var(--mist);
  transform: translateX(2px);
}

.page-contact .ct-next__idx {
  grid-area: idx;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--blue);
}

.page-contact .ct-next__label {
  grid-area: label;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.8vw, 1.14rem);
}

.page-contact .ct-next__desc {
  grid-area: desc;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .ct-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding-top: clamp(18px, 2.6vw, 24px);
  border-top: 1px solid var(--ct-hair);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .ct-meta__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--neon);
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 860px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: center;
  }

  .page-contact .ct-jump__inner {
    padding: 14px 0;
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-partner__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-response__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: start;
  }

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

  .page-contact .ct-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-quickbar__k::before {
    animation: none;
  }

  .page-contact .ct-channel,
  .page-contact .ct-next__list a,
  .page-contact .ct-check__input::after {
    transition: none;
  }
}