.page-products {
  --rc-gap: clamp(18px, 3vw, 34px);
  --rc-radius: 26px;
  --rc-line: rgba(200, 255, 61, 0.18);
  --rc-track: rgba(142, 166, 156, 0.24);
  background: var(--ink-0);
  color: var(--paper);
  padding-bottom: clamp(56px, 9vw, 120px);
  overflow-x: clip;
}

.page-products .breadcrumb {
  padding-block: clamp(16px, 3vw, 28px) 0;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 6px;
  color: var(--ink-3);
}

.page-products .breadcrumb-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 首屏 ---------- */
.page-products .rc-hero {
  padding-block: clamp(24px, 5vw, 56px) clamp(40px, 7vw, 84px);
}

.page-products .rc-hero-grid {
  display: grid;
  gap: var(--rc-gap);
}

.page-products .rc-hero-lead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 1.2rem + 4.2vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  max-width: 18ch;
}

.page-products .rc-lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: var(--step-0);
  line-height: 1.85;
  color: rgba(243, 246, 238, 0.78);
}

.page-products .rc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .rc-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--rc-track);
}

.page-products .rc-hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-products .rc-hero-meta strong {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 1rem + 0.9vw, 1.75rem);
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-products .rc-hero-meta span {
  font-size: 0.8rem;
  color: var(--muted);
}

.page-products .rc-hero-card {
  background: linear-gradient(160deg, var(--ink-1), var(--ink-3) 140%);
  border: 1px solid var(--rc-line);
  border-radius: var(--rc-radius);
  padding: clamp(20px, 4vw, 30px);
}

.page-products .rc-fold-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px 22px;
  border-radius: 18px;
  background: var(--ink-0);
  border: 1px dashed rgba(200, 255, 61, 0.28);
  overflow: hidden;
}

.page-products .rc-fold-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -60% auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 255, 61, 0.22), transparent 68%);
}

.page-products .rc-fold-num {
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 2rem + 3vw, 4rem);
  line-height: 0.9;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: -0.04em;
}

.page-products .rc-fold-line {
  display: block;
  height: 6px;
  border-radius: 999px;
  background: rgba(142, 166, 156, 0.34);
}

.page-products .rc-fold-line--short {
  width: 54%;
}

.page-products .rc-fold-tag {
  align-self: flex-start;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.28em;
  color: var(--muted);
}

.page-products .rc-index {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .rc-index a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 12px;
  color: var(--paper);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-products .rc-index a:hover,
.page-products .rc-index a:focus-visible {
  background: rgba(200, 255, 61, 0.1);
  color: var(--lime-soft);
}

.page-products .rc-index-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--lime);
  min-width: 2ch;
}

.page-products .rc-hero-note {
  margin: 18px 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
  padding-top: 14px;
  border-top: 1px solid var(--rc-track);
}

/* ---------- 章节通用 ---------- */
.page-products .rc-section {
  padding-block: clamp(40px, 7vw, 84px);
}

.page-products .rc-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-products .rc-head .section-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 1.4rem + 3vw, 3.6rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(200, 255, 61, 0.55);
}

.page-products .rc-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.1rem + 1.6vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 22ch;
}

.page-products .rc-head-note {
  margin: 0;
  max-width: 54ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(243, 246, 238, 0.72);
}

/* ---------- 三步设置 ---------- */
.page-products .rc-setup {
  display: grid;
  gap: var(--rc-gap);
}

.page-products .rc-setup-aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-products .rc-progress {
  background: var(--ink-1);
  border: 1px solid var(--rc-line);
  border-radius: 18px;
  padding: 18px;
}

.page-products .rc-progress-track {
  height: 8px;
  border-radius: 999px;
  background: var(--rc-track);
  overflow: hidden;
}

.page-products .rc-progress-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--lime), var(--lime-soft));
  transition: width 0.4s ease;
}

.page-products .rc-progress-note {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .rc-note-done {
  display: none;
  color: var(--lime);
}

.page-products .rc-setup:has(#rc-step-1:checked) .rc-progress-fill {
  width: 34%;
}

.page-products .rc-setup:has(#rc-step-1:checked):has(#rc-step-2:checked) .rc-progress-fill {
  width: 67%;
}

.page-products .rc-setup:has(#rc-step-1:checked):has(#rc-step-2:checked):has(#rc-step-3:checked) .rc-progress-fill {
  width: 100%;
}

.page-products .rc-setup:has(#rc-step-1:checked):has(#rc-step-2:checked):has(#rc-step-3:checked) .rc-note-part {
  display: none;
}

.page-products .rc-setup:has(#rc-step-1:checked):has(#rc-step-2:checked):has(#rc-step-3:checked) .rc-note-done {
  display: block;
}

.page-products .rc-setup-figure {
  margin: 0;
}

.page-products .rc-setup-figure img,
.page-products .rc-rules-figure img,
.page-products .rc-download-figure img,
.page-products .rc-hov3-figure img,
.page-products .rc-support-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--rc-radius);
}

.page-products .media-caption {
  margin-top: 10px;
  font-size: 0.76rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .rc-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .rc-step {
  position: relative;
  background: var(--ink-3);
  border: 1px solid rgba(142, 166, 156, 0.22);
  border-radius: var(--rc-radius);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-products .rc-step:has(.rc-step-toggle:checked) {
  border-color: rgba(200, 255, 61, 0.45);
  box-shadow: var(--shadow-lift);
}

.page-products .rc-step-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .rc-step-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 18px clamp(14px, 3vw, 22px);
  cursor: pointer;
}

.page-products .rc-step-num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-products .rc-step-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .rc-step-state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .rc-step-state::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--alert);
}

.page-products .rc-step-toggle:checked ~ .rc-step-head .rc-step-state {
  color: var(--lime);
}

.page-products .rc-step-toggle:checked ~ .rc-step-head .rc-step-state::before {
  background: var(--lime);
}

.page-products .rc-step-toggle:focus-visible ~ .rc-step-head {
  outline: 2px solid var(--lime);
  outline-offset: -4px;
  border-radius: 12px;
}

.page-products .rc-step-body {
  display: none;
  padding: 0 clamp(14px, 3vw, 22px) 22px;
  border-top: 1px solid rgba(200, 255, 61, 0.14);
  padding-top: 16px;
  margin-top: 2px;
}

.page-products .rc-step-toggle:checked ~ .rc-step-body {
  display: block;
}

.page-products .rc-step-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(243, 246, 238, 0.8);
}

.page-products .rc-step-body ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.page-products .rc-step-body li {
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(243, 246, 238, 0.66);
}

.page-products .rc-step-body li::marker {
  color: var(--lime);
}

/* ---------- 规则说明 ---------- */
.page-products .rc-section--rules {
  background: linear-gradient(180deg, var(--ink-0), var(--ink-1) 40%, var(--ink-0));
}

.page-products .rc-rules-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.page-products .rc-rules-figure {
  margin: 0;
}

.page-products .media-frame--tilt img {
  transform: rotate(-1.6deg);
}

.page-products .rc-rules-body .section-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 1.3rem + 2.4vw, 3rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(200, 255, 61, 0.5);
  margin-bottom: 12px;
}

.page-products .rc-rules-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.1rem + 1.5vw, 2.2rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0;
}

.page-products .rc-rules-lede {
  margin: 16px 0 0;
  font-size: 0.95rem;
  line-height: 1.9;
  color: rgba(243, 246, 238, 0.78);
}

.page-products .rc-rule-list {
  margin: 24px 0 0;
  display: grid;
  gap: 14px;
}

.page-products .rc-rule-list > div {
  padding: 14px 16px;
  border-left: 2px solid rgba(200, 255, 61, 0.4);
  background: rgba(30, 59, 49, 0.42);
  border-radius: 0 16px 16px 0;
}

.page-products .rc-rule-list dt {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--lime-soft);
}

.page-products .rc-rule-list dd {
  margin: 6px 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(243, 246, 238, 0.72);
}

.page-products .rc-inline-link {
  display: inline-block;
  margin-top: 22px;
  font-size: 0.9rem;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  padding-bottom: 2px;
}

.page-products .rc-inline-link:hover,
.page-products .rc-inline-link:focus-visible {
  color: var(--lime);
}

/* ---------- 下载区 ---------- */
.page-products .rc-download-figure {
  margin: 0 0 clamp(24px, 4vw, 38px);
}

.page-products .rc-files {
  display: grid;
  gap: 16px;
}

.page-products .rc-file {
  background: var(--ink-3);
  border: 1px solid rgba(142, 166, 156, 0.2);
  border-radius: var(--rc-radius);
  padding: clamp(18px, 3vw, 26px);
  display: grid;
  gap: 10px;
  align-content: start;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-products .rc-file:hover {
  border-color: rgba(200, 255, 61, 0.5);
}

.page-products .rc-file h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.page-products .rc-file p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(243, 246, 238, 0.72);
}

.page-products .rc-file .tag {
  justify-self: start;
}

.page-products .rc-file-use {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--muted) !important;
}

.page-products .rc-file-link {
  justify-self: start;
  margin-top: 4px;
  font-size: 0.85rem;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
  padding-bottom: 2px;
}

.page-products .rc-file-link:hover,
.page-products .rc-file-link:focus-visible {
  color: var(--lime-soft);
  border-bottom-color: var(--lime-soft);
}

.page-products .rc-download-note {
  margin: 22px 0 0;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .rc-download-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.4);
}

/* ---------- HOV3 ---------- */
.page-products .rc-hov3-band {
  background: radial-gradient(circle at 82% 18%, rgba(200, 255, 61, 0.14), transparent 58%), var(--ink-2);
  border: 1px solid rgba(200, 255, 61, 0.2);
  border-radius: clamp(24px, 4vw, 44px);
  padding: clamp(22px, 4vw, 48px);
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-products .rc-hov3-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
}

.page-products .rc-hov3-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.1rem + 1.5vw, 2.2rem);
  line-height: 1.25;
  margin: 14px 0 0;
  letter-spacing: -0.015em;
}

.page-products .rc-hov3-text > p {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 0.94rem;
  line-height: 1.9;
  color: rgba(243, 246, 238, 0.76);
}

.page-products .rc-hov3-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .rc-hov3-points li {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid rgba(200, 255, 61, 0.35);
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(243, 246, 238, 0.72);
}

.page-products .rc-hov3-points span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-products .rc-hov3-figure {
  margin: 0;
}

/* ---------- 支持 ---------- */
.page-products .rc-section--support {
  background: linear-gradient(180deg, var(--ink-0), var(--ink-1));
}

.page-products .rc-support-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .rc-support-body .section-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 1.3rem + 2.4vw, 3rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(200, 255, 61, 0.5);
  margin-bottom: 12px;
}

.page-products .rc-support-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.1rem + 1.5vw, 2.2rem);
  line-height: 1.25;
  margin: 0;
  letter-spacing: -0.015em;
}

.page-products .rc-support-lede {
  margin: 14px 0 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(243, 246, 238, 0.76);
}

.page-products .rc-support-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .rc-support-list li {
  background: rgba(30, 59, 49, 0.55);
  border: 1px solid rgba(142, 166, 156, 0.18);
  border-radius: 18px;
  padding: 16px 18px;
}

.page-products .rc-support-list h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin: 0 0 6px;
  color: var(--lime-soft);
}

.page-products .rc-support-list p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(243, 246, 238, 0.7);
}

.page-products .rc-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .rc-support-mail {
  margin-top: 24px;
  padding: 18px;
  border: 1px dashed rgba(200, 255, 61, 0.28);
  border-radius: 18px;
}

.page-products .rc-support-mail p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(243, 246, 238, 0.72);
}

.page-products .rc-mail-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 10px !important;
}

.page-products .rc-mail {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--lime);
  word-break: break-all;
}

.page-products .rc-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(200, 255, 61, 0.45);
  background: transparent;
  color: var(--lime);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-products .rc-copy:hover,
.page-products .rc-copy:focus-visible {
  background: rgba(200, 255, 61, 0.14);
}

.page-products .rc-copy[data-copied="true"] {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink-0);
}

.page-products .rc-support-hours {
  margin-top: 10px !important;
  font-size: 0.78rem !important;
  color: var(--muted) !important;
}

.page-products .rc-support-figure {
  margin: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .rc-files {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .rc-files .rc-file:nth-child(3) {
    grid-column: 1 / -1;
  }

  .page-products .rc-step-head {
    gap: 16px;
  }

  .page-products .rc-step-title {
    font-size: 1.08rem;
  }
}

@media (min-width: 960px) {
  .page-products .rc-hero-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .rc-setup {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .rc-rules-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .rc-files {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .rc-files .rc-file:nth-child(3) {
    grid-column: auto;
  }

  .page-products .rc-files .rc-file:nth-child(2) {
    transform: translateY(22px);
  }

  .page-products .rc-files .rc-file:nth-child(3) {
    transform: translateY(-12px);
  }

  .page-products .rc-hov3-band {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .rc-support-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 60px);
  }

  .page-products .rc-support-figure {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .rc-progress-fill,
  .page-products .rc-step,
  .page-products .rc-file,
  .page-products .rc-index a,
  .page-products .rc-copy {
    transition: none;
  }

  .page-products .media-frame--tilt img {
    transform: none;
  }

  .page-products .rc-files .rc-file:nth-child(2),
  .page-products .rc-files .rc-file:nth-child(3) {
    transform: none;
  }
}
<<<END>>>