/* ============================================================
   咨询通道 /inquiry/
   ============================================================ */

.page-contact {
  --con-gap: clamp(18px, 2.6vw, 34px);
  --con-sticky-top: 104px;
  position: relative;
  color: var(--paper);
  background:
    radial-gradient(115% 70% at 92% -4%, rgba(198, 255, 61, .10), transparent 58%),
    radial-gradient(85% 55% at -6% 102%, rgba(255, 122, 47, .09), transparent 60%),
    var(--ink);
}

/* 阅读进度线 */
.page-contact .con-progress {
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--orange));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
  z-index: 4;
}

/* ---------------- 首屏 ---------------- */
.page-contact .con-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(92px, 11vw, 136px) 0 clamp(34px, 5vw, 58px);
}

.page-contact .con-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(148deg, rgba(198, 255, 61, .16) 0%, rgba(198, 255, 61, .03) 44%, transparent 72%);
  clip-path: polygon(0 0, 58% 0, 30% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .con-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 24%;
  width: min(36vw, 400px);
  height: 1px;
  z-index: -1;
  background: linear-gradient(90deg, transparent, var(--lime-line));
  pointer-events: none;
}

.page-contact .con-hero__grid {
  display: grid;
  gap: var(--con-gap);
  margin-top: clamp(22px, 3.2vw, 38px);
}

.page-contact .con-hero__copy {
  min-width: 0;
}

.page-contact .con-hero h1 {
  margin: 16px 0 0;
  max-width: 13em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .con-hero__lead {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(242, 247, 244, .84);
}

.page-contact .con-hero__fact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 26px 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .con-hero__fact span {
  position: relative;
  padding-left: 15px;
}

.page-contact .con-hero__fact span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  background: var(--lime);
  transform: translateY(-50%) rotate(45deg);
}

.page-contact .con-hero__media {
  margin: 0;
  --cut: 24px;
}

/* ---------------- 双栏主体 ---------------- */
.page-contact .con-main {
  padding: clamp(34px, 5vw, 68px) 0 clamp(48px, 7vw, 88px);
}

.page-contact .con-main__grid {
  display: grid;
  gap: var(--con-gap);
}

.page-contact .con-aside {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  align-content: start;
  min-width: 0;
}

/* 联系卡片 */
.page-contact .con-card {
  padding: clamp(20px, 2.4vw, 28px);
  background: linear-gradient(180deg, rgba(18, 48, 42, .96), rgba(11, 31, 26, .96));
}

.page-contact .con-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-contact .con-ways {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .con-way {
  position: relative;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.page-contact .con-way::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 3px;
  width: 1px;
  height: 16px;
  background: var(--lime);
}

.page-contact .con-way__key {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .con-way__val {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.4vw, 15.5px);
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .con-way__note {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .con-card__media {
  margin: 22px 0 0;
  background: var(--deep);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
  overflow: hidden;
}

.page-contact .con-card__media img {
  display: block;
  width: 100%;
  height: 170px;
  max-width: 100%;
  object-fit: cover;
  opacity: .82;
}

/* 响应时段 */
.page-contact .con-hours {
  padding: clamp(18px, 2.2vw, 24px);
}

.page-contact .con-hours__lead {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--lime);
}

.page-contact .con-scale {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}

.page-contact .con-scale__bar {
  position: relative;
  flex: 1 1 auto;
  height: 6px;
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  overflow: hidden;
}

.page-contact .con-scale__live {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--lime), var(--orange));
  border-radius: var(--pill);
}

.page-contact .con-scale__end {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------------- 右栏内容流 ---------------- */
.page-contact .con-flow {
  display: grid;
  gap: clamp(20px, 2.8vw, 34px);
  min-width: 0;
}

.page-contact .con-block {
  padding: clamp(22px, 2.8vw, 34px);
  background: linear-gradient(180deg, rgba(18, 48, 42, .88), rgba(11, 31, 26, .94));
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-contact .con-block__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.page-contact .con-block__lead {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(242, 247, 244, .78);
}

/* 四步清单 */
.page-contact .con-steps {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .con-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .con-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .con-step__idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-contact .con-step__body h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .con-step__body p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* 折叠说明 */
.page-contact .con-details {
  margin-top: clamp(20px, 2.6vw, 28px);
  background: rgba(7, 18, 15, .6);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}

.page-contact .con-details__sum {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .con-details__sum::-webkit-details-marker {
  display: none;
}

.page-contact .con-details__sum::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--orange);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-contact .con-details[open] .con-details__sum::before {
  transform: rotate(135deg);
}

.page-contact .con-details__list {
  list-style: none;
  margin: 0;
  padding: 0 20px 18px;
  display: grid;
  gap: 10px;
}

.page-contact .con-details__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .con-details__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 6px;
  height: 1px;
  background: var(--lime);
}

/* 响应节奏 */
.page-contact .con-reply__lead {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(242, 247, 244, .78);
}

.page-contact .con-reply__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .con-reply__list li {
  padding: 14px 16px;
  background: rgba(198, 255, 61, .05);
  border-left: 2px solid var(--lime-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .con-reply__list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14.5px;
  color: var(--paper);
}

/* ---------------- 斜线分割带 ---------------- */
.page-contact .con-slash {
  height: clamp(40px, 6vw, 72px);
  margin: clamp(28px, 4vw, 48px) 0;
  background: linear-gradient(100deg, var(--deep) 0%, rgba(7, 18, 15, .34) 58%, transparent 100%);
  clip-path: polygon(0 36%, 100% 0, 100% 64%, 0 100%);
}

/* ---------------- 合作与供稿 ---------------- */
.page-contact .con-coop .section__head {
  max-width: 46em;
}

.page-contact .con-coop__grid {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  margin-top: clamp(24px, 3vw, 38px);
}

.page-contact .con-coop__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 26px);
}

.page-contact .con-coop__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .con-coop__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .con-coop__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .con-coop__more {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
}

/* ---------------- 常见问题快捷入口 ---------------- */
.page-contact .con-quick .section__head {
  max-width: 44em;
}

.page-contact .con-quick .filter-bar {
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-contact .con-quick__list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .con-quick__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .con-quick__item:hover {
  border-color: var(--lime-line);
  transform: translateY(-2px);
}

.page-contact .con-quick__item[data-hidden] {
  display: none;
}

.page-contact .con-quick__item h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .con-quick__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .con-quick__link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .con-quick__link:hover {
  border-bottom-color: var(--lime);
}

/* ---------------- 信息使用说明 ---------------- */
.page-contact .con-privacy__box {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  padding: clamp(24px, 3vw, 38px);
  background:
    linear-gradient(115deg, rgba(198, 255, 61, .10) 0%, rgba(198, 255, 61, 0) 55%),
    var(--deep);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-contact .con-privacy__copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-contact .con-privacy__copy p {
  margin: 12px 0 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .con-privacy__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 640px) {
  .page-contact .con-coop__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .con-quick__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 820px) {
  .page-contact .con-privacy__box {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .con-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 960px) {
  .page-contact .con-main__grid {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-contact .con-aside {
    position: sticky;
    top: var(--con-sticky-top);
  }

  .page-contact .con-reply__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 1080px) {
  .page-contact .con-coop__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .con-coop__card:nth-child(2) {
    transform: translateY(26px);
  }

  .page-contact .con-coop__card:nth-child(4) {
    transform: translateY(12px);
  }

  .page-contact .con-coop__more {
    margin-top: clamp(46px, 4vw, 60px);
  }
}

@media (max-width: 639px) {
  .page-contact .con-hero::before {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    background: linear-gradient(160deg, rgba(198, 255, 61, .12), transparent 72%);
  }

  .page-contact .con-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-contact .con-card__media img {
    height: 140px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}