.page-contact {
  --pc-line: var(--line-dark-soft);
  --pc-panel-bg: var(--ink-850);
  --pc-ink: var(--ink-950);
  background: var(--ink-950);
  color: var(--slate-200);
}

.page-contact .pc-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-contact .pc-h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--paper-100);
}

.page-contact .pc-lead {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate-200);
}

.page-contact .pc-section {
  padding: clamp(44px, 7vw, 88px) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 44px) 0 clamp(38px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(22, 71, 60, 0.62), transparent 62%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-850) 100%);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, var(--pc-line) 1px, transparent 1px);
  background-size: clamp(52px, 8vw, 104px) 100%;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8.4vw, 86px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--paper-100);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate-200);
}

.page-contact .contact-hero__readouts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  align-self: end;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}

.page-contact .readout {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-850);
}

.page-contact .readout__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss-400);
}

.page-contact .readout__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--cyan-400);
}

/* ---------- 渠道 + 材料面板 ---------- */
.page-contact .contact-main__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-contact .contact-main__channels .pc-lead {
  margin-bottom: clamp(24px, 3vw, 36px);
}

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

.page-contact .channel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 16px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid var(--pc-line);
}

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

.page-contact .channel__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
  padding-top: 8px;
}

.page-contact .channel__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-contact .channel__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 18px);
  color: var(--amber-500);
  word-break: break-word;
}

.page-contact .channel__value--address {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--slate-200);
  line-height: 1.6;
}

.page-contact .channel__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-200);
}

.page-contact .contact-main__side {
  display: grid;
  gap: 20px;
  align-content: start;
}

/* 材料清单：全页唯一亮面 */
.page-contact .materials {
  background: var(--paper-100);
  color: var(--pc-ink);
  padding: clamp(22px, 3.6vw, 34px);
  box-shadow: inset 0 0 0 1px var(--paper-300);
  clip-path: polygon(
    0 16px, 16px 0,
    calc(100% - 16px) 0, 100% 16px,
    100% calc(100% - 16px), calc(100% - 16px) 100%,
    16px 100%, 0 calc(100% - 16px)
  );
}

.page-contact .materials__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-700);
}

.page-contact .materials__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 30px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--pc-ink);
}

.page-contact .materials__lead {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(8, 18, 15, 0.72);
}

.page-contact .materials__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .material {
  position: relative;
  padding: 14px 0;
  border-top: 1px solid var(--paper-300);
}

.page-contact .material__check {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.page-contact .material__text {
  display: block;
  position: relative;
  padding-left: 36px;
  cursor: pointer;
}

.page-contact .material__text::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 22px;
  height: 22px;
  border: 1.5px solid rgba(8, 18, 15, 0.42);
  border-radius: 6px;
  background: #FFFFFF;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-contact .material__text::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 9px;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--paper-100);
  border-bottom: 2px solid var(--paper-100);
  transform: rotate(-45deg) scale(0.5);
  opacity: 0;
  transition: opacity 180ms ease, transform 180ms ease;
}

.page-contact .material__check:checked + .material__text::before {
  background: var(--cyan-700);
  border-color: var(--cyan-700);
}

.page-contact .material__check:checked + .material__text::after {
  opacity: 1;
  transform: rotate(-45deg) scale(1);
}

.page-contact .material__check:focus-visible + .material__text::before {
  box-shadow: 0 0 0 3px rgba(11, 107, 92, 0.4);
}

.page-contact .material__name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--pc-ink);
  margin-bottom: 4px;
}

.page-contact .material__note {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(8, 18, 15, 0.7);
}

.page-contact .materials__done {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--paper-300);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--pc-ink);
  opacity: 0.45;
  transition: opacity 200ms ease, color 200ms ease;
}

.page-contact .materials:not(:has(.material__check:not(:checked))) .materials__done {
  opacity: 1;
  color: var(--cyan-700);
}

.page-contact .shot {
  margin: 0;
  border: 1px solid var(--pc-line);
  background: var(--ink-850);
}

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

.page-contact .shot figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--moss-400);
  border-top: 1px solid var(--pc-line);
}

/* ---------- 服务时段 ---------- */
.page-contact .hours {
  background: linear-gradient(180deg, var(--ink-850) 0%, var(--ink-950) 100%);
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .hours__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .hours__notes {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .note {
  display: grid;
  gap: 4px;
  padding-left: 18px;
  border-left: 2px solid var(--teal-700);
}

.page-contact .note__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-500);
}

.page-contact .note__t {
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-200);
}

.page-contact .hours__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: 4px 28px 4px 28px;
  background: var(--ink-850);
}

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

.page-contact .hours__figure figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--moss-400);
  border-top: 1px solid var(--pc-line);
}

/* ---------- 投稿与合作 ---------- */
.page-contact .contrib__head .pc-lead {
  max-width: 62ch;
}

.page-contact .contrib__grid {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: clamp(24px, 3.4vw, 36px);
}

.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}

.page-contact .step {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink-850);
}

.page-contact .step__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
  margin-bottom: 10px;
}

.page-contact .step__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 23px);
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-contact .step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate-200);
  word-break: break-word;
}

.page-contact .contrib__kit {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--teal-700);
  border-radius: 18px;
  background: rgba(22, 71, 60, 0.28);
}

.page-contact .contrib__kit-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-500);
}

.page-contact .kit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .kit-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate-200);
}

.page-contact .kit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan-400);
}

.page-contact .contrib__kit-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss-400);
}

/* ---------- 备案信息条 ---------- */
.page-contact .legal-strip {
  padding: clamp(26px, 4vw, 44px) 0 clamp(34px, 5vw, 56px);
  border-top: 1px solid var(--line-dark);
  background: var(--ink-950);
}

.page-contact .legal-strip__inner {
  display: grid;
  gap: 20px;
}

.page-contact .legal-strip__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--moss-400);
}

.page-contact .legal-strip__line {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--slate-200);
}

.page-contact .legal-strip__text {
  margin: 0;
  max-width: 68ch;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--moss-400);
}

.page-contact .legal-strip__link {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .legal-strip__link:hover {
  color: var(--amber-500);
}

.page-contact .signal {
  align-self: end;
  height: 26px;
  background-image:
    repeating-linear-gradient(90deg, var(--cyan-400) 0 2px, transparent 2px 13px),
    repeating-linear-gradient(90deg, var(--moss-400) 0 1px, transparent 1px 7px);
  background-size: 100% 100%, 100% 58%;
  background-position: bottom left, bottom left;
  background-repeat: no-repeat, no-repeat;
  opacity: 0.6;
}

/* ---------- 动效 ---------- */
.page-contact [data-reveal] {
  transition: opacity 320ms ease-out, transform 320ms ease-out;
}

.page-contact.has-reveal [data-reveal]:not(.is-visible),
.has-reveal .page-contact [data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translateY(14px);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact input:focus-visible {
  outline: 3px solid var(--cyan-400);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__readouts {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 320px);
    align-items: end;
  }

  .page-contact .contact-hero__readouts {
    grid-template-columns: 1fr;
  }

  .page-contact .contact-main__grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 396px);
    align-items: start;
  }

  .page-contact .contact-main__side {
    margin-top: 46px;
  }

  .page-contact .hours__grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 460px);
    align-items: start;
  }

  .page-contact .contrib__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.85fr);
    align-items: start;
  }

  .page-contact .legal-strip__inner {
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal],
  .page-contact .material__text::before,
  .page-contact .material__text::after,
  .page-contact .materials__done {
    transition: none;
  }

  .page-contact.has-reveal [data-reveal]:not(.is-visible),
  .has-reveal .page-contact [data-reveal]:not(.is-visible) {
    transform: none;
  }
}
<<<END>>>