.page-contact {
  --ct-line: rgba(14, 42, 71, .14);
  --ct-line-soft: rgba(14, 42, 71, .08);
  --ct-panel: #ffffff;
  --ct-dark: #071726;
  --ct-dark-2: #0E2A47;
  background: var(--bg-page);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.ct-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(158deg, #071726 0%, #0E2A47 68%, #14395c 100%);
  color: var(--c-ice);
}

.ct-hero::before {
  content: "";
  position: absolute;
  left: -18%;
  top: -40%;
  width: 72%;
  height: 180%;
  transform: rotate(-9deg);
  background: radial-gradient(circle at 40% 40%, rgba(184, 255, 60, .16), transparent 62%);
  pointer-events: none;
}

.ct-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -30%;
  width: 46%;
  height: 62%;
  transform: rotate(-9deg);
  background: rgba(255, 90, 31, .12);
  border-radius: var(--r-lg);
  pointer-events: none;
}

.ct-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  padding-block: clamp(32px, 6vw, 72px) clamp(44px, 7vw, 92px);
  align-items: center;
}

.page-contact .ct-hero .breadcrumb__list {
  color: rgba(244, 247, 248, .7);
}


.page-contact .ct-hero .breadcrumb a {
  color: rgba(244, 247, 248, .7);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 247, 248, .35);
}

.page-contact .ct-hero .breadcrumb__item[aria-current="page"] {
  color: var(--c-ice);
}

.ct-hero__eyebrow {
  margin-top: clamp(18px, 3vw, 28px);
  color: var(--c-neon);
  letter-spacing: .34em;
}

.ct-hero__title {
  margin: 12px 0 0;
  font-size: clamp(32px, 6.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--c-ice);
  max-width: 14em;
}

.ct-hero__lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(244, 247, 248, .82);
}

.ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.ct-hero__stamp {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  font-size: 13px;
  letter-spacing: .12em;
  color: rgba(244, 247, 248, .62);
}

.ct-hero__figure {
  margin: 0;
  position: relative;
}

.ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  clip-path: polygon(0 5%, 100% 0, 96% 100%, 3% 96%);
  background: rgba(7, 23, 38, .5);
  box-shadow: var(--shadow-2);
}

.ct-hero__figcap {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: .28em;
  color: rgba(244, 247, 248, .55);
}

/* ---------- 章节头 ---------- */
.ct-sechead {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 3.6vw, 40px);
}

.ct-sechead__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .34em;
  color: var(--c-lava);
}

.ct-sechead h2 {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ink-strong);
}

.ct-sechead__note {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.ct-sechead--dark h2 {
  color: var(--c-ice);
}

.ct-sechead--dark .ct-sechead__note {
  color: rgba(244, 247, 248, .72);
}

/* ---------- 渠道卡片 ---------- */
.ct-channels {
  padding-block: clamp(44px, 7vw, 88px);
}

.ct-channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

.ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: clamp(24px, 2.8vw, 32px) clamp(20px, 2.4vw, 28px) clamp(20px, 2.4vw, 28px);
  background: var(--ct-panel);
  border: 1px solid var(--ct-line);
  border-radius: var(--r-lg);
  box-shadow: 0 1px 2px rgba(7, 23, 38, .05);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.ct-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(20px, 2.4vw, 28px);
  right: clamp(20px, 2.4vw, 28px);
  height: 4px;
  border-radius: 0 0 6px 6px;
  background: var(--c-glacier);
}

.ct-channel--primary::before {
  background: var(--c-lava);
}

.ct-channel--primary {
  border-color: rgba(255, 90, 31, .34);
}

@media (hover: hover) {
  .ct-channel:hover {
    transform: translateY(-6px);
    border-color: rgba(14, 42, 71, .28);
    box-shadow: 0 18px 42px rgba(7, 23, 38, .14);
  }

  .ct-channel--primary:hover {
    border-color: rgba(255, 90, 31, .5);
  }
}

.ct-channel__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--c-tundra);
}

.ct-channel__label svg {
  width: 20px;
  height: 20px;
  flex: none;
  color: var(--c-glacier);
}

.ct-channel--primary .ct-channel__label svg {
  color: var(--c-lava);
}

.ct-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.9vw, 20px);
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--ink-strong);
  overflow-wrap: anywhere;
}

.ct-channel__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  font-weight: 600;
}

.ct-channel__use {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.ct-copy {
  align-self: flex-start;
  margin-top: auto;
  cursor: pointer;
  font-family: inherit;
}

/* ---------- 用途边界 ---------- */
.ct-boundary {
  padding-block: clamp(44px, 7vw, 88px);
  background: linear-gradient(180deg, #E9EFF3 0%, var(--bg-page) 100%);
  border-top: 1px solid var(--ct-line-soft);
}

.ct-boundary__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.ct-boundary__aside h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink-strong);
}

.ct-boundary__lede {
  margin: 14px 0 0;
  max-width: 24em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.ct-boundary__vnote {
  margin-top: 18px;
  color: var(--c-tundra);
}

.ct-bound-list {
  margin: 0;
  display: grid;
  gap: 0;
  min-width: 0;
}

.ct-bound-item {
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-top: 1px solid var(--ct-line);
}

.ct-bound-item:last-child {
  border-bottom: 1px solid var(--ct-line);
}

.ct-bound-item dt {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink-strong);
}

.ct-bound-item dt::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-radius: 2px;
  background: var(--c-lava);
  vertical-align: 1px;
}

.ct-bound-item dd {
  margin: 10px 0 0 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.ct-bound-item dd a {
  color: var(--c-glacier);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 42, 71, .3);
}

/* ---------- 提报模板 ---------- */
.ct-report {
  position: relative;
  overflow: hidden;
  padding-block: clamp(48px, 7vw, 96px);
  background: var(--ct-dark);
  color: var(--c-ice);
}

.ct-report::before {
  content: "";
  position: absolute;
  left: 46%;
  top: -20%;
  width: 60%;
  height: 140%;
  transform: rotate(-9deg);
  background: linear-gradient(180deg, rgba(14, 42, 71, .9), rgba(31, 58, 52, .5));
  border-radius: var(--r-lg);
  pointer-events: none;
}

.ct-report .wrap {
  position: relative;
  z-index: 1;
}

.ct-report__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.ct-report__fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  counter-reset: ct-fields;
}

.ct-report__fields li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: clamp(12px, 1.8vw, 18px) 0;
  border-bottom: 1px solid rgba(244, 247, 248, .14);
}

.ct-report__fields li:first-child {
  border-top: 1px solid rgba(244, 247, 248, .14);
}

.ct-report__k {
  grid-row: span 2;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-neon);
  padding-top: 4px;
}

.ct-report__t {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-ice);
}

.ct-report__d {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 247, 248, .68);
}

.ct-report__panel {
  padding: clamp(20px, 2.8vw, 30px);
  background: rgba(244, 247, 248, .06);
  border: 1px solid rgba(244, 247, 248, .16);
  border-radius: var(--r-lg);
  min-width: 0;
}

.ct-report__panel-title {
  margin: 0;
  font-size: 14px;
  letter-spacing: .22em;
  color: var(--c-tundra);
}

.ct-report__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 247, 248, .62);
}

.ct-report__textarea {
  display: block;
  width: 100%;
  margin-top: 12px;
  min-height: 200px;
  resize: vertical;
  padding: 14px 16px;
  border: 1px solid rgba(244, 247, 248, .2);
  border-radius: var(--r-md);
  background: rgba(7, 23, 38, .68);
  color: var(--c-ice);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  letter-spacing: .02em;
}

.ct-report__textarea::placeholder {
  color: rgba(244, 247, 248, .38);
}

.ct-report__textarea:focus {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

.ct-report__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.ct-report__actions .ct-copy {
  margin-top: 0;
  color: var(--c-ice);
  border-color: rgba(244, 247, 248, .3);
}

.ct-report__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(244, 247, 248, .6);
}

/* ---------- 常见提报类型 ---------- */
.ct-types {
  padding-block: clamp(44px, 7vw, 88px);
}

.ct-type-list {
  border-top: 1px solid var(--ct-line);
}

.ct-type {
  border-bottom: 1px solid var(--ct-line);
}

.ct-type summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(16px, 2.2vw, 24px) 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(17px, 2.1vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink-strong);
  transition: color .2s ease;
}

.ct-type summary::-webkit-details-marker {
  display: none;
}

.ct-type summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
  color: var(--c-tundra);
}

.ct-type[open] summary::after {
  content: "–";
  color: var(--c-lava);
}

.ct-type[open] summary {
  color: var(--c-lava);
}

.ct-type__body {
  padding-bottom: clamp(18px, 2.4vw, 28px);
  max-width: 46em;
}

.ct-type__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--ink-soft);
}

.ct-type__body a {
  color: var(--c-glacier);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 42, 71, .3);
}

/* ---------- 合规与延伸 ---------- */
.ct-compliance {
  padding-block: clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--ct-line-soft);
}

.ct-compliance__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
}

.ct-compliance__main h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink-strong);
}

.ct-compliance__text {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.ct-compliance__text a {
  color: var(--c-glacier);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 42, 71, .3);
}

.ct-compliance__icp {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  background: var(--c-frost);
  color: var(--ink-strong);
  font-size: 13px;
  letter-spacing: .06em;
}

.ct-compliance__links {
  display: grid;
  gap: 12px;
  align-content: start;
  min-width: 0;
}

.ct-compliance__link {
  display: grid;
  gap: 5px;
  padding: 16px 20px;
  background: var(--ct-panel);
  border: 1px solid var(--ct-line);
  border-left: 4px solid var(--c-glacier);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: transform .24s ease, border-color .24s ease;
}

@media (hover: hover) {
  .ct-compliance__link:hover {
    transform: translateX(6px);
    border-left-color: var(--c-lava);
  }
}

.ct-compliance__link-t {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-strong);
}

.ct-compliance__link-d {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 底部通栏 ---------- */
.ct-closing {
  margin: 0;
  position: relative;
}

.ct-closing img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

.ct-closing__cap {
  position: absolute;
  left: clamp(16px, 4vw, 56px);
  bottom: 16px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: rgba(7, 23, 38, .62);
  color: rgba(244, 247, 248, .82);
  font-size: 12px;
  letter-spacing: .2em;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .ct-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .ct-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .ct-boundary__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .ct-report__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .ct-compliance__grid {
    grid-template-columns: 7fr 5fr;
  }
}

@media (max-width: 420px) {
  .ct-hero__title {
    font-size: 30px;
  }

  .ct-channel__value {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-compliance__link {
    transition: none;
  }
}