/* ================= 联系入口页 · page-contact ================= */

.page-contact {
  --ct-radius: 22px;
  --ct-hair: rgba(155, 176, 164, .22);
  --ct-dim: rgba(234, 243, 236, .74);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding: 1.5rem 0 0;
}

.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .crumbs a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

.page-contact .crumbs a:hover {
  color: var(--lime);
}

.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: .45rem;
  color: var(--grid);
}

/* ---------- 首屏框景 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  margin-top: 1.25rem;
  border: 1px solid var(--grid);
  border-radius: var(--r-lg);
  overflow: hidden;
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(31, 107, 69, .55) 0%, transparent 58%),
    linear-gradient(160deg, var(--green-deep) 0%, var(--ink) 78%);
  box-shadow: var(--shadow-panel);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 15px;
  z-index: 3;
  pointer-events: none;
  background-image: repeating-linear-gradient(to right, var(--grid) 0 1px, transparent 1px 44px);
  opacity: .95;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(100deg, rgba(10, 15, 12, .95) 0%, rgba(10, 15, 12, .74) 48%, rgba(15, 42, 29, .38) 100%);
}

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

.page-contact .ct-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.75) contrast(1.06);
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 4;
  padding-top: clamp(3rem, 8vw, 5rem);
  padding-bottom: clamp(2rem, 5vw, 3.2rem);
  max-width: 920px;
}

.page-contact .ct-hero h1 {
  margin: .85rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7.4vw, 4.15rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .ct-hero__mark {
  display: block;
  color: var(--lime);
}

.page-contact .ct-hero__lede {
  margin: 1.15rem 0 0;
  max-width: 48ch;
  font-size: clamp(.96rem, 1.7vw, 1.1rem);
  line-height: 1.82;
  color: var(--ct-dim);
}

.page-contact .ct-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.4rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hero__facts li {
  position: relative;
  padding-left: 1.05rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .03em;
  color: var(--lime);
}

.page-contact .ct-hero__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .42em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--flare);
}

/* ---------- 通用小标题组 ---------- */
.page-contact .ct-head {
  max-width: 64ch;
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-contact .ct-head--tight {
  margin-bottom: clamp(1.2rem, 3vw, 1.8rem);
}

.page-contact .ct-head .section-title {
  margin: .6rem 0 0;
}

.page-contact .ct-head .lede {
  margin: .9rem 0 0;
}

/* ---------- 通道面板 ---------- */
.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.6rem 1.35rem 1.3rem;
  border: 1px solid var(--grid);
  border-radius: var(--ct-radius);
  background:
    radial-gradient(130% 110% at 0% 0%, rgba(31, 107, 69, .5), transparent 62%),
    linear-gradient(172deg, var(--green-mid), var(--green-deep));
  transition: transform .28s ease, border-color .28s ease;
}

.page-contact .ct-channel:hover {
  transform: translateY(-4px);
  border-color: var(--turf);
}

.page-contact .ct-channel--primary {
  border-color: rgba(198, 255, 61, .36);
  background:
    radial-gradient(130% 110% at 0% 0%, rgba(198, 255, 61, .13), transparent 60%),
    linear-gradient(172deg, var(--green-mid), var(--green-deep));
}

.page-contact .ct-channel--primary::after {
  content: "优先级最高";
  position: absolute;
  top: 1.15rem;
  right: 1.15rem;
  padding: .22rem .62rem;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-contact .ct-channel__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--flare);
}

.page-contact .ct-channel h3 {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.28rem, 3.4vw, 1.6rem);
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .ct-channel__desc {
  margin: .8rem 0 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--ct-dim);
}

.page-contact .ct-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 1rem 0 0;
}

.page-contact .ct-copy__val {
  flex: 1 1 auto;
  min-width: 0;
  padding: .5rem .7rem;
  border: 1px dashed var(--grid);
  border-radius: 10px;
  background: rgba(10, 15, 12, .5);
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--lime);
  word-break: break-all;
}

.page-contact .ct-channel__meta {
  display: grid;
  gap: .55rem;
  margin: 1.1rem 0 0;
  padding: .95rem 0 0;
  border-top: 1px dashed var(--grid);
  list-style: none;
}

.page-contact .ct-channel__meta li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: .84rem;
  line-height: 1.6;
}

.page-contact .ct-k {
  flex: 0 0 auto;
  color: var(--mist);
}

.page-contact .ct-v {
  text-align: right;
  color: var(--paper);
  opacity: .86;
}

.page-contact .ct-v--lime {
  color: var(--lime);
  opacity: 1;
  font-family: var(--font-mono);
  font-size: .8rem;
}

/* ---------- 汇聚示意 ---------- */
.page-contact .ct-converge {
  margin: clamp(1.2rem, 3vw, 2rem) auto 0;
  max-width: 900px;
  text-align: center;
}

.page-contact .ct-converge svg {
  display: block;
  width: 100%;
  height: clamp(88px, 15vw, 140px);
}

.page-contact .ct-converge svg line {
  stroke: var(--turf);
  stroke-width: 1.5;
  stroke-dasharray: 5 7;
  opacity: .75;
}

.page-contact .ct-converge__pulse {
  fill: var(--flare);
  opacity: .35;
  transform-origin: 450px 108px;
  animation: ct-pulse 1.2s ease-in-out infinite;
}

.page-contact .ct-converge__dot {
  fill: var(--flare);
}

@keyframes ct-pulse {
  0%, 100% { transform: scale(1); opacity: .35; }
  50% { transform: scale(1.4); opacity: .08; }
}

.page-contact .ct-converge__cap {
  margin: .4rem 0 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 受理范围 ---------- */
.page-contact .ct-care__grid {
  gap: 1rem;
}

.page-contact .ct-care__card {
  position: relative;
  padding: 1.5rem 1.35rem 1.35rem;
  border: 1px solid var(--grid);
  border-radius: var(--ct-radius);
  background: linear-gradient(168deg, var(--green-mid) 0%, var(--ink) 100%);
}

.page-contact .ct-care__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  opacity: .9;
}

.page-contact .ct-care__card h3 {
  margin: .7rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--paper);
}

.page-contact .ct-care__card p {
  margin: .7rem 0 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--ct-dim);
}

.page-contact .ct-care__link {
  margin-top: 1rem;
  font-size: .85rem;
}

.page-contact .ct-care__link a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .35);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .ct-care__link a:hover {
  color: var(--flare);
  border-color: var(--flare);
}

/* ---------- 合作对接 ---------- */
.page-contact .ct-partner__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.6rem);
}

.page-contact .ct-tracks {
  display: grid;
  gap: .9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-track {
  position: relative;
  padding: 1.35rem 1.3rem 1.3rem 1.5rem;
  border: 1px solid var(--grid);
  border-left: 3px solid var(--turf);
  border-radius: var(--ct-radius);
  background: linear-gradient(100deg, rgba(22, 69, 47, .8), rgba(10, 15, 12, .8));
}

.page-contact .ct-track__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--stand);
}

.page-contact .ct-track h3 {
  margin: .5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.18rem;
  color: var(--paper);
}

.page-contact .ct-track__give,
.page-contact .ct-track__need {
  margin: .65rem 0 0;
  font-size: .9rem;
  line-height: 1.76;
  color: var(--ct-dim);
}

.page-contact .ct-track__need {
  padding-top: .65rem;
  border-top: 1px dashed var(--grid);
  color: var(--mist);
}

/* 材料自查清单 */
.page-contact .ct-kit {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  padding: clamp(1.3rem, 3vw, 1.8rem);
  border: 1px solid var(--grid);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(255, 194, 75, .09), transparent 58%),
    linear-gradient(170deg, var(--green-deep), var(--ink));
}

.page-contact .ct-kit__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  color: var(--paper);
}

.page-contact .ct-kit__note {
  margin: .6rem 0 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-kit__list {
  display: grid;
  gap: .75rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-kit__list li {
  position: relative;
  padding-left: 1.9rem;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .ct-kit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .28em;
  width: 1.05rem;
  height: 1.05rem;
  border: 1px solid var(--turf);
  border-radius: 5px;
  background: rgba(198, 255, 61, .08);
}

.page-contact .ct-kit__list li::after {
  content: "";
  position: absolute;
  left: .3rem;
  top: .6em;
  width: .42rem;
  height: .22rem;
  border-left: 2px solid var(--lime);
  border-bottom: 2px solid var(--lime);
  transform: rotate(-45deg);
}

.page-contact .ct-partner__figure {
  margin: 0;
}

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

.page-contact .ct-partner__tip {
  margin: 1rem 0 0;
  padding-left: .9rem;
  border-left: 2px solid var(--flare);
  font-size: .86rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 线索与投稿 ---------- */
.page-contact .ct-contribute__panel {
  padding: clamp(1.4rem, 4vw, 2.6rem);
  border: 1px solid var(--grid);
  border-radius: var(--r-lg);
  background:
    radial-gradient(110% 130% at 0% 100%, rgba(255, 107, 44, .12), transparent 58%),
    linear-gradient(160deg, var(--green-deep) 0%, var(--ink) 82%);
}

.page-contact .ct-steps {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .ct-steps li {
  display: flex;
  gap: .95rem;
  align-items: flex-start;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--grid);
  border-radius: var(--r-md);
  background: rgba(10, 15, 12, .45);
}

.page-contact .ct-steps__no {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .88rem;
  font-weight: 700;
}

.page-contact .ct-steps h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-contact .ct-steps p {
  margin: .45rem 0 0;
  font-size: .89rem;
  line-height: 1.75;
  color: var(--ct-dim);
}

/* ---------- 办公地址 ---------- */
.page-contact .ct-office__card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.6rem);
  border: 1px solid var(--grid);
  border-radius: var(--r-lg);
  background:
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 100% 46px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 46px 100%,
    linear-gradient(165deg, var(--green-deep) 0%, var(--ink) 80%);
}

.page-contact .ct-office__pin {
  position: absolute;
  top: 26%;
  right: 11%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--flare);
  box-shadow: 0 0 0 7px rgba(255, 107, 44, .16);
  animation: ct-pin 1.2s ease-in-out infinite;
}

@keyframes ct-pin {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: .72; }
}

.page-contact .ct-office__facts {
  display: grid;
  gap: .9rem;
  margin: 0;
  padding: 0;
}

.page-contact .ct-office__facts > div {
  padding: .9rem 1rem;
  border: 1px solid var(--grid);
  border-radius: var(--r-md);
  background: rgba(10, 15, 12, .55);
}

.page-contact .ct-office__facts dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--stand);
}

.page-contact .ct-office__facts dd {
  margin: .45rem 0 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .ct-office__foot {
  margin: 1.4rem 0 0;
  font-size: .87rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-office__foot a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .32);
}

.page-contact .ct-office__foot a:hover {
  color: var(--flare);
  border-color: var(--flare);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ================= 响应式 ================= */
@media (min-width: 720px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .ct-office__facts > div:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-contact .ct-track {
    display: grid;
    grid-template-columns: 8.5rem minmax(0, 1fr);
    column-gap: 1.2rem;
    align-items: start;
    padding: 1.4rem 1.4rem 1.35rem;
  }

  .page-contact .ct-track__idx {
    grid-column: 1;
    padding-top: .28rem;
  }

  .page-contact .ct-track h3,
  .page-contact .ct-track__give,
  .page-contact .ct-track__need {
    grid-column: 2;
  }

  .page-contact .ct-track h3 {
    margin-top: 0;
  }

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

@media (min-width: 960px) {
  .page-contact .ct-partner__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-contact .ct-office__facts > div:first-child {
    grid-column: auto;
  }
}

@media (max-width: 480px) {
  .page-contact .ct-channel__meta li {
    display: block;
  }

  .page-contact .ct-v {
    display: block;
    text-align: left;
    margin-top: .2rem;
  }

  .page-contact .ct-channel--primary::after {
    top: .9rem;
    right: .9rem;
    font-size: .64rem;
  }
}

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