.page-products {
  --pp-gap: clamp(20px, 4vw, 44px);
  --pp-ink-soft: #5c6672;
  --pp-rule: rgba(31, 74, 99, 0.5);
  --pp-panel-bg: rgba(16, 42, 63, 0.72);
  --pp-body: #d3dfe9;
  overflow-x: clip;
}

.page-products .prod-crumb {
  padding-top: 18px;
}

/* ============ 首屏 ============ */
.page-products .prod-hero {
  padding-block: clamp(18px, 3vw, 34px) clamp(28px, 5vw, 54px);
}

.page-products .prod-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-products .prod-hero h1 {
  font-size: clamp(2rem, 5.6vw, 3.35rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0.2em 0 0.5em;
}

.page-products .prod-hero .lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-products .prod-steps {
  list-style: none;
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .prod-steps li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 10px;
  padding: 13px 0;
  border-top: 1px solid var(--pp-rule);
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--pp-body);
}

.page-products .prod-steps li:last-child {
  border-bottom: 1px solid var(--pp-rule);
}

.page-products .prod-steps .mono {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 0.28em;
}

.page-products .prod-steps a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 指标面板 */
.page-products .prod-gauge {
  background: var(--pp-panel-bg);
  border: 1px solid var(--wire);
  border-top: 3px solid var(--amber);
  padding: clamp(18px, 2.6vw, 26px);
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .prod-gauge__cap {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-products .prod-gauge__row {
  display: grid;
  gap: 3px;
}

.page-products .prod-gauge__row + .prod-gauge__row {
  border-top: 1px dashed var(--pp-rule);
  padding-top: 14px;
}

.page-products .prod-gauge__num {
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--amber);
}

.page-products .prod-gauge__label {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ============ 快速对照 ============ */
.page-products .prod-quick {
  margin-block: clamp(6px, 1.5vw, 18px) clamp(30px, 5vw, 56px);
  border: 1px solid var(--wire);
  background: rgba(22, 50, 74, 0.45);
  padding: clamp(18px, 3vw, 28px);
}

.page-products .prod-quick__cap {
  margin: 0 0 18px;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-products .prod-quick__grid {
  display: grid;
  gap: 12px;
}

.page-products .prod-quick__col {
  background: var(--ink);
  border: 1px solid var(--wire);
  padding: clamp(16px, 2.4vw, 22px);
}

.page-products .prod-quick__col--new {
  border-color: var(--cyan);
  background: #0e2a3d;
}

.page-products .prod-quick__name {
  margin: 0 0 12px;
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .prod-quick__col--old .prod-quick__name {
  color: var(--muted);
}

.page-products .prod-quick__col--new .prod-quick__name {
  color: var(--cyan);
}

.page-products .prod-quick__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-quick__col li {
  position: relative;
  padding-left: 15px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--pp-body);
}

.page-products .prod-quick__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--wire);
}

.page-products .prod-quick__col--new li::before {
  background: var(--amber);
}

/* ============ 通用章节 ============ */
.page-products .prod-sec {
  border-top: 1px solid var(--pp-rule);
  padding-block: clamp(38px, 7vw, 80px);
}

.page-products .prod-sec__head {
  display: grid;
  gap: 14px;
}

.page-products .prod-sec__intro {
  min-width: 0;
}

.page-products .prod-sec__title {
  margin: 0 0 0.6em;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.page-products .prod-sec__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-products .prod-sec__body {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-products .prod-sec__text {
  min-width: 0;
}

.page-products .prod-sec__text p {
  margin: 0 0 1em;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--pp-body);
}

.page-products .prod-sec__text p:last-child {
  margin-bottom: 0;
}

/* 纸面章节 */
.page-products .prod-sec--paper {
  background: var(--paper);
  color: var(--black);
  border-top-color: rgba(26, 31, 38, 0.16);
}

.page-products .prod-sec--paper .eyebrow {
  color: var(--ember);
}

.page-products .prod-sec--paper .prod-sec__title {
  color: var(--black);
}

.page-products .prod-sec--paper .prod-sec__lede {
  color: var(--pp-ink-soft);
}

.page-products .prod-sec--paper .prod-sec__text p {
  color: #33383f;
}

/* 图 */
.page-products .prod-fig {
  margin: 0;
  min-width: 0;
}

.page-products .prod-fig__frame {
  position: relative;
  border: 1px solid var(--wire);
  background: linear-gradient(140deg, rgba(31, 74, 99, 0.5), rgba(11, 27, 43, 0.92) 68%);
  padding: clamp(9px, 1.5vw, 15px);
  overflow: hidden;
}

.page-products .prod-fig__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 224, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 224, 0.07) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}

.page-products .prod-fig__frame img {
  display: block;
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-fig .caption {
  display: block;
  margin-top: 10px;
  font-size: 0.79rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .prod-sec--paper .prod-fig__frame {
  border-color: rgba(26, 31, 38, 0.28);
  background: linear-gradient(140deg, rgba(31, 74, 99, 0.22), rgba(228, 217, 198, 0.9) 70%);
}

.page-products .prod-sec--paper .prod-fig .caption {
  color: var(--pp-ink-soft);
}

/* ============ 三块信息区 ============ */
.page-products .prod-zones {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  gap: 14px;
}

.page-products .prod-zone {
  border: 1px solid rgba(26, 31, 38, 0.18);
  border-top: 3px solid var(--wire);
  background: rgba(255, 255, 255, 0.55);
  padding: clamp(16px, 2.3vw, 24px);
}

.page-products .prod-zone:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-products .prod-zone:nth-child(2) {
  border-top-color: var(--amber);
}

.page-products .prod-zone:nth-child(3) {
  border-top-color: var(--ember);
}

.page-products .prod-zone__num {
  margin: 0 0 10px;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--pp-ink-soft);
}

.page-products .prod-zone__name {
  margin: 0 0 10px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--black);
}

.page-products .prod-zone__desc {
  margin: 0 0 14px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: #3a4047;
}

.page-products .prod-zone__for {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(26, 31, 38, 0.2);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--pp-ink-soft);
}

/* ============ 更新节奏刻度 ============ */
.page-products .prod-beats {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--pp-rule);
}

.page-products .prod-beat {
  position: relative;
  flex: 1 0 152px;
  min-width: 152px;
  padding: 30px 16px 14px 0;
}

.page-products .prod-beat::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 17px;
  height: 1px;
  background: var(--wire);
}

.page-products .prod-beat__tick {
  position: absolute;
  left: 0;
  top: 12px;
  z-index: 1;
  width: 11px;
  height: 11px;
  background: var(--ink);
  border: 2px solid var(--wire);
  border-radius: 50%;
}

.page-products .prod-beat--release .prod-beat__tick {
  background: var(--amber);
  border-color: var(--amber);
  border-radius: 0;
  transform: rotate(45deg);
}

.page-products .prod-beat__code {
  display: block;
  margin-bottom: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-products .prod-beat--release .prod-beat__code {
  color: var(--amber);
}

.page-products .prod-beat__text {
  display: block;
  font-size: 0.86rem;
  line-height: 1.58;
  color: var(--pp-body);
}

/* ============ 适用人群 ============ */
.page-products .prod-cases {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  gap: 16px;
}

.page-products .prod-case {
  background: var(--panel);
  border: 1px solid var(--wire);
  border-left: 3px solid var(--cyan);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-products .prod-case:last-child {
  border-left-color: var(--amber);
}

.page-products .prod-case__tag {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-products .prod-case__name {
  margin: 0 0 10px;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  color: #eaf2f8;
}

.page-products .prod-case__desc {
  margin: 0 0 16px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .prod-case__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .prod-case__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.89rem;
  line-height: 1.7;
  color: var(--pp-body);
}

.page-products .prod-case__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-products .prod-case:last-child .prod-case__list li::before {
  background: var(--amber);
}

.page-products .prod-case__link {
  margin: 18px 0 0;
  font-size: 0.89rem;
}

.page-products .prod-case__link a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 兼容矩阵 ============ */
.page-products .prod-compat {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pp-rule);
  border: 1px solid var(--pp-rule);
}

.page-products .prod-compat__row {
  display: grid;
  gap: 8px;
  align-items: start;
  background: var(--ink);
  padding: 16px 18px;
}

.page-products .prod-compat__name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #e6eef5;
}

.page-products .prod-compat__desc {
  font-size: 0.87rem;
  line-height: 1.68;
  color: var(--muted);
}

/* ============ 对照表 ============ */
.page-products .prod-tablewrap {
  margin-top: clamp(26px, 4vw, 42px);
  overflow-x: auto;
  border: 1px solid rgba(26, 31, 38, 0.24);
  background: #fbf7ef;
}

.page-products .prod-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.89rem;
}

.page-products .prod-table__cap {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--pp-ink-soft);
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.62;
  border-bottom: 1px solid rgba(26, 31, 38, 0.12);
}

.page-products .prod-table thead th {
  background: #ede4d5;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--pp-ink-soft);
}

.page-products .prod-table tbody th {
  font-weight: 600;
  color: var(--black);
}

.page-products .prod-table tbody td {
  color: #454b52;
}

.page-products .prod-table .is-new {
  color: var(--ink);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-products .prod-table tbody tr:last-child th,
.page-products .prod-table tbody tr:last-child td {
  border-bottom: none;
}

/* ============ 收尾 ============ */
.page-products .prod-cta {
  border-top: 1px solid var(--wire);
  background: rgba(22, 50, 74, 0.42);
  padding-block: clamp(34px, 6vw, 64px);
}

.page-products .prod-cta__inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-products .prod-cta__title {
  margin: 0.2em 0 0.5em;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .prod-cta__note {
  margin: 0;
  max-width: 58ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ============ 响应式 ============ */
@media (min-width: 760px) {
  .page-products .prod-quick__grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .page-products .prod-zones {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-compat__row {
    grid-template-columns: minmax(140px, 0.85fr) minmax(0, 2fr) auto;
    align-items: center;
    gap: 20px;
  }

  .page-products .prod-cases {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.72fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-products .prod-sec__head {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 0 clamp(24px, 4vw, 48px);
    align-items: start;
  }

  .page-products .prod-sec__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-products .prod-sec__body--flip > .prod-fig {
    order: -1;
  }
}

@media (min-width: 860px) {
  .page-products .prod-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .page-products .prod-beat {
    flex: 0 0 138px;
    min-width: 138px;
  }

  .page-products .prod-cta__links .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-beat__tick,
  .page-products .prod-fig__frame::after {
    transition: none;
  }
}