.page-products {
  --dl-fp-glow: rgba(245, 197, 24, 0.16);
  --dl-fg-glow: rgba(0, 255, 135, 0.10);
  --dl-data-glow: rgba(0, 229, 255, 0.14);
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

.page-products ul,
.page-products ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ===== 面包屑 ===== */
.page-products .breadcrumbs {
  margin-bottom: 20px;
}
.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.page-products .breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-dim);
}
.page-products .breadcrumb-item a {
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-products .breadcrumb-item a:hover {
  color: var(--color-accent);
}
.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--color-border);
  font-family: var(--font-mono);
}

/* ===== 首屏 Hero ===== */
.page-products .product-hero {
  position: relative;
  padding: 26px 0 52px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 82% 6%, rgba(245, 197, 24, 0.13), transparent 42%),
    radial-gradient(ellipse at 8% 18%, rgba(0, 255, 135, 0.08), transparent 30%);
  border-bottom: 1px solid var(--color-border);
}
.page-products .hero-dataflow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.64;
}
.page-products .hero-dataflow img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  mix-blend-mode: screen;
  opacity: 0.72;
}
.page-products .hero-container {
  position: relative;
  z-index: 2;
}
.page-products .hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: center;
  margin-top: 16px;
}
.page-products .hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-accent-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  margin-bottom: 12px;
}
.page-products .hero-line {
  display: inline-block;
  width: 42px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-2), transparent);
}
.page-products .hero-title {
  font-family: var(--font-head);
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.08;
  margin: 0 0 10px;
  letter-spacing: 0.01em;
}
.page-products .hero-versioncat {
  font-family: var(--font-head);
  font-size: clamp(15px, 2.2vw, 20px);
  color: var(--color-accent);
  margin: 0 0 16px;
}
.page-products .hero-summary {
  color: var(--color-text-dim);
  font-size: 15px;
  line-height: 1.85;
  max-width: 640px;
  margin: 0 0 24px;
}
.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.page-products .btn-lg {
  font-size: 15px;
  padding: 14px 22px;
  border-radius: calc(var(--radius) + 2px);
}
.page-products .btn-arrow {
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.2s ease;
}
.page-products .btn-lg:hover .btn-arrow {
  transform: translate(3px, 3px);
}

/* hero 状态面板 */
.page-products .hero-panel {
  position: relative;
  padding: 20px;
  border-radius: 18px;
  border: 1px solid var(--color-border);
  background: linear-gradient(160deg, rgba(30, 23, 48, 0.92), rgba(21, 16, 37, 0.78));
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
}
.page-products .hero-panel::after {
  content: "";
  position: absolute;
  right: -14px;
  bottom: -12px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--dl-fg-glow), transparent 70%);
  z-index: -1;
}
.page-products .hero-panel-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--color-border);
  margin-bottom: 14px;
}
.page-products .panel-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-data);
}
.page-products .panel-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-accent-2);
}
.page-products .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-2);
  box-shadow: 0 0 12px rgba(0, 255, 135, 0.8);
}
.page-products .hero-specs {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
}
.page-products .spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.page-products .spec-row dt {
  color: var(--color-text-dim);
  font-size: 14px;
}
.page-products .spec-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: right;
}
.page-products .hero-panel-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ===== 章节通用骨架 ===== */
.page-products .section-head {
  max-width: 780px;
  margin-bottom: 40px;
}
.page-products .chapter-num {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: rgba(11, 8, 19, 0.5);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 15px;
  margin-bottom: 14px;
}
.page-products .section-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  margin-bottom: 10px;
}
.page-products .section-title {
  font-family: var(--font-head);
  font-size: clamp(27px, 4.6vw, 42px);
  line-height: 1.14;
  margin: 0 0 14px;
}
.page-products .section-lead {
  color: var(--color-text-dim);
  font-size: 15px;
  line-height: 1.85;
  margin: 0;
}

/* ===== 01 下载中心 ===== */
.page-products .download-section {
  position: relative;
  padding: 60px 0;
  background: linear-gradient(180deg, var(--color-bg), var(--color-bg-alt) 68%);
  border-top: 1px solid var(--color-border);
}
.page-products .download-grid {
  display: grid;
  gap: 16px;
}
.page-products .download-fixed {
  display: grid;
  gap: 16px;
}
.page-products .download-scroll {
  display: grid;
  gap: 16px;
}
.page-products .download-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: linear-gradient(150deg, rgba(30, 23, 48, 0.92), rgba(21, 16, 37, 0.72));
  overflow: hidden;
}
.page-products .download-card::before {
  content: "";
  position: absolute;
  top: -38px;
  right: -38px;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--dl-fp-glow), transparent 70%);
}
.page-products .download-card h3 {
  font-family: var(--font-head);
  font-size: 21px;
  margin: 0 0 8px;
}
.page-products .download-card p {
  color: var(--color-text-dim);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 18px;
}
.page-products .download-card .btn {
  margin-top: auto;
  align-self: flex-start;
}
.page-products .platform-badge {
  align-self: flex-start;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  border: 1px solid rgba(245, 197, 24, 0.5);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 14px;
}

/* 扫码卡 */
.page-products .scan-card {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: linear-gradient(145deg, rgba(30, 23, 48, 0.94), rgba(21, 16, 37, 0.8));
}
.page-products .scan-qr {
  width: 108px;
  height: 108px;
  flex-shrink: 0;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  padding: 6px;
}
.page-products .scan-qr img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.page-products .scan-copy {
  flex: 1 1 200px;
}
.page-products .scan-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-accent-2);
  margin-bottom: 6px;
}
.page-products .scan-copy h3 {
  font-family: var(--font-head);
  font-size: 18px;
  margin: 0 0 8px;
}
.page-products .scan-copy p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.75;
  margin: 0;
}

/* 平台安全说明 */
.page-products .download-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 0 12px 12px 0;
  border-left: 3px solid var(--color-accent-2);
  background: rgba(0, 255, 135, 0.05);
}
.page-products .download-note p {
  color: var(--color-text-dim);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 8px;
}
.page-products .download-note p:last-child {
  margin-bottom: 0;
}
.page-products .note-tag {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-accent-2);
}
.page-products .note-sub {
  font-size: 13px;
  color: var(--color-text-dim);
  opacity: 0.8;
}

/* 下载引导弹窗 */
.page-products .popup-state {
  position: fixed;
  opacity: 0;
  pointer-events: none;
}
.page-products .popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(5, 3, 10, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.page-products .popup-state:checked ~ .popup-overlay {
  display: flex;
}
.page-products .popup-backdrop {
  position: absolute;
  inset: 0;
  cursor: pointer;
}
.page-products .popup-card {
  position: relative;
  z-index: 2;
  width: min(92vw, 440px);
  max-height: 86vh;
  overflow: auto;
  padding: 28px;
  border-radius: 20px;
  border: 1px solid rgba(245, 197, 24, 0.22);
  background: linear-gradient(165deg, rgba(30, 23, 48, 0.97), rgba(21, 16, 37, 0.92));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}
.page-products .popup-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.page-products .popup-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--color-accent-2);
  margin-bottom: 8px;
}
.page-products .popup-card h3 {
  font-family: var(--font-head);
  font-size: 23px;
  margin: 0;
}
.page-products .popup-close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-dim);
  font-size: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.page-products .popup-close:hover {
  color: var(--color-alert);
  border-color: rgba(255, 77, 79, 0.5);
}
.page-products .popup-hint {
  color: var(--color-text-dim);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 18px;
}
.page-products .popup-guide-list {
  display: grid;
  gap: 10px;
  padding: 16px;
  margin-bottom: 22px;
  border-radius: 12px;
  background: rgba(11, 8, 19, 0.5);
  border: 1px solid var(--color-border);
}
.page-products .popup-guide-list span {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-data);
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-products .popup-guide-list span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-2);
  box-shadow: 0 0 8px rgba(0, 255, 135, 0.6);
}
.page-products .popup-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== 02 V4 新特性 ===== */
.page-products .feature-section {
  position: relative;
  padding: 64px 0;
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  overflow: hidden;
}
.page-products .feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.page-products .phone-mock {
  display: flex;
  justify-content: center;
}
.page-products .phone-frame {
  position: relative;
  width: min(272px, 70vw);
  padding: 10px;
  border-radius: 34px;
  background: linear-gradient(150deg, #2a2340, #0b0813 55%, #151025);
  border: 1px solid rgba(245, 197, 24, 0.35);
  box-shadow:
    0 22px 46px rgba(0, 0, 0, 0.48),
    0 0 0 1px rgba(0, 0, 0, 0.5),
    0 0 44px rgba(0, 229, 255, 0.06);
}
.page-products .phone-notch {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 20px;
  border-radius: 12px;
  background: #0b0813;
  z-index: 3;
}
.page-products .phone-screen {
  position: relative;
  aspect-ratio: 1 / 2;
  border-radius: 26px;
  overflow: hidden;
  background: #0d0a16;
}
.page-products .phone-screen img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.page-products .phone-bar {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  z-index: 3;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid rgba(245, 197, 24, 0.5);
  background: rgba(11, 8, 19, 0.8);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  backdrop-filter: blur(6px);
}
.page-products .feature-list {
  display: grid;
  gap: 14px;
}
.page-products .feature-item {
  position: relative;
  padding: 20px 20px 20px 64px;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  background: linear-gradient(120deg, rgba(30, 23, 48, 0.86), rgba(15, 11, 24, 0.5));
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.page-products .feature-item:hover {
  border-color: rgba(245, 197, 24, 0.5);
  transform: translateX(6px);
}
.page-products .feature-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-2));
}
.page-products .feature-index {
  position: absolute;
  left: 18px;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-data);
}
.page-products .feature-item h3 {
  font-family: var(--font-head);
  font-size: 18px;
  margin: 0 0 8px;
}
.page-products .feature-item p {
  color: var(--color-text-dim);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
}

/* ===== 03 同步登录 ===== */
.page-products .sync-section {
  padding: 64px 0;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-bg), var(--color-bg-alt));
}
.page-products .sync-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}
.page-products .sync-steps {
  position: relative;
  display: grid;
  gap: 12px;
}
.page-products .sync-steps::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 28px;
  bottom: 28px;
  width: 2px;
  opacity: 0.6;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-2), transparent);
}
.page-products .sync-step {
  position: relative;
  padding: 16px 16px 16px 58px;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  background: rgba(30, 23, 48, 0.56);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.page-products .sync-step:hover {
  background: rgba(30, 23, 48, 0.92);
  border-color: rgba(245, 197, 24, 0.42);
  transform: translateX(4px);
}
.page-products .step-no {
  position: absolute;
  left: 9px;
  top: 16px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent);
}
.page-products .step-body h3 {
  font-family: var(--font-head);
  font-size: 17px;
  margin: 0 0 6px;
}
.page-products .step-body p {
  color: var(--color-text-dim);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}
.page-products .step-detail {
  color: var(--color-data);
  font-size: 13px;
  margin-top: 8px;
}
.page-products .sync-figure {
  position: relative;
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.page-products .sync-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .sync-figure figcaption {
  padding: 14px 16px;
  border-top: 1px solid var(--color-border);
  background: rgba(11, 8, 19, 0.6);
  color: var(--color-text-dim);
  font-size: 13px;
}

/* ===== 04 系统要求 ===== */
.page-products .system-section {
  padding: 64px 0;
  border-top: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 229, 255, 0.06), transparent 55%),
    var(--color-bg);
}
.page-products .sys-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}
.page-products .tabzone {
  border-radius: 18px;
  border: 1px solid var(--color-border);
  background: rgba(21, 16, 37, 0.72);
  overflow: hidden;
}
.page-products .tab-radio {
  position: fixed;
  opacity: 0;
  pointer-events: none;
}
.page-products .tab-switch {
  display: flex;
  gap: 4px;
  padding: 8px;
  background: rgba(11, 8, 19, 0.6);
  border-bottom: 1px solid var(--color-border);
}
.page-products .tab-label {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  transition: all 0.2s ease;
}
.page-products .tab-radio#sys-ios:checked ~ .tab-switch label[for="sys-ios"],
.page-products .tab-radio#sys-android:checked ~ .tab-switch label[for="sys-android"] {
  background: rgba(245, 197, 24, 0.14);
  border-color: rgba(245, 197, 24, 0.35);
  color: var(--color-accent);
}
.page-products .tab-panel {
  display: none;
  padding: 24px;
}
.page-products .tab-radio#sys-ios:checked ~ .tab-panel-ios,
.page-products .tab-radio#sys-android:checked ~ .tab-panel-android {
  display: block;
}
.page-products .systable h3 {
  font-family: var(--font-head);
  font-size: 20px;
  margin: 0 0 16px;
}
.page-products .systable ul {
  display: grid;
  gap: 10px;
}
.page-products .systable li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: rgba(30, 23, 48, 0.82);
  font-size: 14px;
  line-height: 1.6;
}
.page-products .systable li::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent-2);
  box-shadow: 0 0 8px rgba(0, 255, 135, 0.6);
}
.page-products .multi-figure {
  position: relative;
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.page-products .multi-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .multi-figure figcaption {
  padding: 14px 16px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-size: 13px;
  background: rgba(11, 8, 19, 0.6);
}

/* ===== 支持 CTA ===== */
.page-products .support-cta {
  padding: 54px 0;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(245, 197, 24, 0.16), rgba(0, 255, 135, 0.08)), var(--color-bg-alt);
}
.page-products .support-cta-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}
.page-products .support-cta-copy {
  flex: 1 1 360px;
  max-width: 680px;
}
.page-products .support-cta-copy h2 {
  font-family: var(--font-head);
  font-size: clamp(23px, 3.6vw, 32px);
  margin: 0 0 10px;
}
.page-products .support-cta-copy p {
  color: var(--color-text-dim);
  line-height: 1.75;
  font-size: 15px;
  margin: 0;
}
.page-products .support-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--color-accent-2);
  margin-bottom: 10px;
}
.page-products .support-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .support-cta .btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #e0b208);
  border-color: transparent;
  color: #0b0813;
  font-weight: 700;
}

/* ===== 中等屏幕及以上 ===== */
@media (min-width: 720px) {
  .page-products .product-hero {
    padding: 32px 0 64px;
  }
  .page-products .hero-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
    gap: 44px;
    margin-top: 24px;
  }
  .page-products .hero-panel {
    padding: 24px;
  }
  .page-products .download-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  .page-products .download-fixed {
    grid-template-columns: 1fr;
    align-content: start;
  }
  .page-products .download-scroll {
    grid-template-columns: 1fr;
    align-content: start;
  }
  .page-products .scan-card {
    flex-wrap: nowrap;
  }
  .page-products .feature-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 36px;
  }
  .page-products .sync-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: center;
  }
  .page-products .sys-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 28px;
  }
  .page-products .tab-panel {
    padding: 28px;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 1024px) {
  .page-products .product-hero {
    padding: 40px 0 76px;
  }
  .page-products .hero-dataflow {
    width: 64%;
    opacity: 0.72;
  }
  .page-products .hero-summary {
    font-size: 16px;
  }
  .page-products .download-section {
    padding: 76px 0;
  }
  .page-products .download-grid {
    grid-template-columns: 340px 1fr;
    gap: 26px;
    align-items: stretch;
  }
  .page-products .download-fixed {
    position: sticky;
    top: 100px;
    align-self: start;
  }
  .page-products .download-scroll {
    grid-template-columns: 1fr;
  }
  .page-products .scan-card {
    min-height: 200px;
  }
  .page-products .feature-section {
    padding: 84px 0;
  }
  .page-products .feature-layout {
    gap: 64px;
  }
  .page-products .feature-item {
    padding-top: 22px;
    padding-bottom: 22px;
  }
  .page-products .sync-section {
    padding: 84px 0;
  }
  .page-products .system-section {
    padding: 84px 0;
  }
  .page-products .support-cta {
    padding: 64px 0;
  }
}

/* ===== 悬停增强：同步步骤细节 ===== */
@media (hover: hover) {
  .page-products .step-detail {
    display: none;
  }
  .page-products .sync-step:hover .step-detail {
    display: block;
  }
}