.page-contact {
  --cc-cut: 14px;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(3rem, 7vw, 5.5rem);
  background-image:
    radial-gradient(110% 70% at 88% 4%, rgba(63, 208, 255, 0.13), transparent 62%),
    radial-gradient(90% 62% at 4% 96%, rgba(232, 255, 58, 0.08), transparent 58%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--seam) 18%, var(--seam) 82%, transparent);
}

.page-contact .contact-hero .crumbs {
  margin-bottom: clamp(1.25rem, 3.5vw, 2.25rem);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

.page-contact .hero-title {
  margin: 0.7rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--chalk);
  text-wrap: balance;
}

.page-contact .hero-title .hl {
  color: var(--volt);
  display: block;
}

.page-contact .hero-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: var(--t-16);
  line-height: 1.75;
}

.page-contact .hero-facts {
  list-style: none;
  margin: clamp(1.5rem, 3.5vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .hero-facts li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--chalk);
  font-size: var(--t-16);
  line-height: 1.55;
}

.page-contact .hero-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--volt);
}

.page-contact .hero-facts li:nth-child(2)::before { background: var(--ice); }
.page-contact .hero-facts li:nth-child(3)::before { background: var(--flare); }

.page-contact .contact-hero-media {
  position: relative;
  margin: 0;
  aspect-ratio: 7 / 5;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--seam);
  clip-path: polygon(
    0 0,
    calc(100% - var(--cc-cut)) 0,
    100% var(--cc-cut),
    100% 100%,
    var(--cc-cut) 100%,
    0 calc(100% - var(--cc-cut))
  );
}

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

.page-contact .contact-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 38%, rgba(63, 208, 255, 0.2) 50%, transparent 62%);
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 切角面板底座 ---------- */
.page-contact .cut-panel {
  position: relative;
  border: 1px solid transparent;
  background-clip: padding-box, border-box;
  background-origin: padding-box, border-box;
  clip-path: polygon(
    0 0,
    calc(100% - var(--cc-cut)) 0,
    100% var(--cc-cut),
    100% 100%,
    var(--cc-cut) 100%,
    0 calc(100% - var(--cc-cut))
  );
}

/* ---------- 咨询准备清单 ---------- */
.page-contact .check-list {
  display: grid;
  gap: 0.85rem;
}

.page-contact .check-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 1rem 1.1rem;
  border: 1px solid var(--seam);
  border-radius: 10px;
  background: rgba(12, 42, 32, 0.62);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .check-item:hover {
  border-color: rgba(232, 255, 58, 0.4);
}

.page-contact .check-item input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .check-box {
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  margin-top: 0.2rem;
  border: 1px solid var(--seam);
  border-radius: 5px;
  background: rgba(6, 21, 15, 0.85);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .check-box::after {
  content: "";
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 2px;
  background: var(--pitch);
  transform: scale(0);
  transition: transform var(--dur) var(--ease);
}

.page-contact .check-item input:checked ~ .check-box {
  background: var(--volt);
  border-color: var(--volt);
}

.page-contact .check-item input:checked ~ .check-box::after {
  transform: scale(1);
}

.page-contact .check-item input:focus-visible ~ .check-box {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-contact .check-item:has(input:checked) {
  border-color: rgba(232, 255, 58, 0.5);
  background: rgba(232, 255, 58, 0.06);
}

.page-contact .check-body {
  display: grid;
  gap: 0.35rem;
}

.page-contact .check-body strong {
  color: var(--chalk);
  font-size: var(--t-16);
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .check-body span {
  color: var(--mist);
  font-size: var(--t-14);
  line-height: 1.7;
}

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

/* ---------- 联系渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: clamp(1.15rem, 3vw, 1.75rem);
  background-image:
    linear-gradient(165deg, rgba(12, 42, 32, 0.96), rgba(6, 21, 15, 0.99)),
    linear-gradient(140deg, var(--seam), rgba(63, 208, 255, 0.35) 58%, var(--seam));
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.92rem, 4vw, 1.2rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--volt);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .channel-value--num {
  font-size: clamp(1.6rem, 7vw, 2.2rem);
  letter-spacing: 0.02em;
}

.page-contact .cc-copy {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: var(--t-14);
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(232, 255, 58, 0.45);
  background: rgba(232, 255, 58, 0.1);
  color: var(--volt);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .cc-copy:hover {
  background: var(--volt);
  border-color: var(--volt);
  color: var(--pitch);
  transform: translateY(-1px);
}

.page-contact .cc-copy:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-contact .cc-copy .copy-done {
  display: none;
}

.page-contact .cc-copy[data-copied="true"] {
  background: var(--ice);
  border-color: var(--ice);
  color: var(--pitch);
}

.page-contact .cc-copy[data-copied="true"] .copy-idle { display: none; }
.page-contact .cc-copy[data-copied="true"] .copy-done { display: inline; }

.page-contact .channel-note {
  margin: 0;
  color: var(--mist);
  font-size: var(--t-14);
  line-height: 1.7;
}

.page-contact .channel-strip {
  margin-top: clamp(1rem, 2.5vw, 1.5rem);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  display: grid;
  gap: 1.1rem;
  background-image:
    linear-gradient(120deg, rgba(255, 122, 26, 0.07), rgba(6, 21, 15, 0.98) 52%),
    linear-gradient(140deg, rgba(255, 122, 26, 0.45), rgba(27, 68, 54, 0.9) 60%, var(--seam));
}

.page-contact .channel-strip-item p {
  margin: 0.4rem 0 0;
  color: var(--chalk);
  font-size: var(--t-16);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-strip {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    gap: 2.25rem;
  }
}

/* ---------- 处理节奏 ---------- */
.page-contact .rhythm-stage {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 4vw, 2.6rem);
  background-image:
    linear-gradient(170deg, rgba(12, 42, 32, 0.94), rgba(6, 21, 15, 0.985)),
    linear-gradient(140deg, var(--seam), rgba(232, 255, 58, 0.3) 62%, var(--seam));
}

.page-contact .rhythm-texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  pointer-events: none;
}

.page-contact .rhythm-track {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .rhythm-step {
  position: relative;
}

.page-contact .rhythm-index {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  margin-bottom: 0.8rem;
  border-radius: 50%;
  border: 1px solid rgba(232, 255, 58, 0.6);
  background: var(--pitch);
  color: var(--volt);
  font-size: var(--t-12);
  letter-spacing: 0.06em;
  box-shadow: 0 0 0 5px rgba(232, 255, 58, 0.06);
}

.page-contact .rhythm-title {
  margin: 0 0 0.45rem;
  font-family: var(--font-body);
  font-size: var(--t-16);
  font-weight: 700;
  line-height: 1.4;
  color: var(--chalk);
}

.page-contact .rhythm-text {
  margin: 0;
  color: var(--mist);
  font-size: var(--t-14);
  line-height: 1.75;
}

@media (min-width: 880px) {
  .page-contact .rhythm-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-contact .rhythm-track::before {
    content: "";
    position: absolute;
    top: 1.15rem;
    left: 1rem;
    right: 1rem;
    height: 1px;
    background: linear-gradient(90deg, rgba(232, 255, 58, 0.75), rgba(63, 208, 255, 0.6));
    opacity: 0.45;
  }
}

/* ---------- 差异反馈 ---------- */
.page-contact .feedback-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .feedback-lead {
  margin: 0.8rem 0 0;
  max-width: 68ch;
  color: var(--mist);
  font-size: var(--t-16);
  line-height: 1.78;
}

.page-contact .feedback-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-contact .feedback-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--chalk);
  font-size: var(--t-16);
  line-height: 1.7;
}

.page-contact .feedback-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.8rem;
  height: 2px;
  background: var(--volt);
}

.page-contact .feedback-tail {
  margin: 1.4rem 0 0;
  color: var(--mist);
  font-size: var(--t-14);
  line-height: 1.8;
}

.page-contact .feedback-tail a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 208, 255, 0.4);
}

.page-contact .feedback-tail a:hover {
  border-bottom-color: var(--ice);
}

.page-contact .feedback-side {
  align-self: start;
  padding: clamp(1.15rem, 3vw, 1.6rem);
  background-image:
    linear-gradient(165deg, rgba(12, 42, 32, 0.95), rgba(6, 21, 15, 0.99)),
    linear-gradient(140deg, var(--seam), rgba(255, 122, 26, 0.4) 70%, var(--seam));
}

.page-contact .side-title {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--t-14);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--volt);
  text-transform: uppercase;
}

.page-contact .side-links {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
}

.page-contact .side-links li + li {
  border-top: 1px solid rgba(27, 68, 54, 0.85);
}

.page-contact .side-links a {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.35rem 1rem;
  padding: 0.85rem 0.2rem;
  color: var(--chalk);
  text-decoration: none;
  font-size: var(--t-14);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .side-links a:hover {
  color: var(--volt);
  transform: translateX(3px);
}

.page-contact .side-links .mono {
  color: var(--mist);
  font-size: var(--t-12);
}

@media (min-width: 900px) {
  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 常见问题入口 ---------- */
.page-contact .faq-strip {
  display: grid;
  gap: 1.25rem;
  align-items: center;
  padding: clamp(1.4rem, 4vw, 2.2rem);
  background-image:
    linear-gradient(125deg, rgba(232, 255, 58, 0.09), rgba(6, 21, 15, 0.97) 55%),
    linear-gradient(140deg, rgba(232, 255, 58, 0.5), rgba(63, 208, 255, 0.3) 62%, var(--seam));
}

.page-contact .faq-strip-copy p {
  margin: 0.55rem 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: var(--t-14);
  line-height: 1.78;
}

.page-contact .faq-strip .btn {
  justify-self: start;
}

@media (min-width: 820px) {
  .page-contact .faq-strip {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2.25rem;
  }

  .page-contact .faq-strip .btn {
    justify-self: end;
  }
}