.page-products {
  --pf-radius: 0px;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
  padding-bottom: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}

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

.page-products .breadcrumb a:hover {
  border-bottom-color: var(--blue-mid);
}

.page-products .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line-strong);
}

/* ---------- 首屏分屏 ---------- */
.page-products .hero {
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-products .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: stretch;
}

.page-products .hero__lead {
  padding: clamp(28px, 5vw, 60px) 0 clamp(32px, 5vw, 64px);
}

.page-products .hero__eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.page-products h1 {
  margin: 0 0 18px;
  font-size: clamp(29px, 5.2vw, 50px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 18ch;
}

.page-products .hero__lede {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-products .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 20px;
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .hero__fact dt {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.page-products .hero__fact dd {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .hero__visual {
  background: var(--blue-deep);
  border: 1px solid var(--blue-line);
  padding: clamp(22px, 3.4vw, 38px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .hero__visual-cap {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--blue-soft);
}

.page-products .ladder {
  width: 100%;
  height: auto;
  display: block;
}

.page-products .hero__visual-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--line-strong);
}

/* ---------- 主体两栏与索引带 ---------- */
.page-products .body-main {
  min-width: 0;
}

.page-products .rail {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .rail__title {
  display: none;
  margin: 0;
}

.page-products .rail__item {
  flex: none;
  padding: 6px 11px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .rail__item:hover {
  color: var(--blue);
  background: var(--blue-soft);
  border-color: var(--blue-mid);
}

.page-products .rail__item:focus-visible {
  outline: 2px solid var(--blue-mid);
  outline-offset: 2px;
}

.page-products .rail__item[data-active] {
  color: var(--paper);
  background: var(--blue);
  border-color: var(--blue);
}

/* ---------- 章节 ---------- */
.page-products .sec {
  padding: clamp(34px, 5.5vw, 66px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 120px;
}

.page-products .sec:first-child {
  border-top: 0;
  padding-top: clamp(20px, 3vw, 36px);
}

.page-products .sec__head {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-products .sec__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 10px;
  font-size: clamp(21px, 2.8vw, 31px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .sec__num {
  flex: none;
  padding: 3px 7px;
  font-size: 13px;
  font-weight: 400;
  color: var(--orange);
  border: 1px solid var(--line);
}

.page-products .sec__note {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .sec__foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .sec__cta {
  margin: 22px 0 0;
}

.page-products .sub {
  margin: 26px 0 12px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-products .sub:first-child {
  margin-top: 0;
}

.page-products .para {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 表格 ---------- */
.page-products .wtable {
  width: 100%;
  border-collapse: collapse;
  margin-top: 22px;
  font-size: 15px;
}

.page-products .wtable thead th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 400;
  color: var(--ink-soft);
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-strong);
}

.page-products .wtable tbody th,
.page-products .wtable tbody td {
  padding: 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.65;
}

.page-products .wtable tbody th {
  font-weight: 700;
  color: var(--ink);
}

.page-products .wtable tbody td {
  color: var(--ink-soft);
}

.page-products .wtable tbody th .mono {
  color: var(--blue);
}

/* ---------- 编号结构 ---------- */
.page-products .struct {
  position: relative;
  margin-top: 22px;
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--line);
  background: var(--paper);
  overflow: hidden;
}

.page-products .struct__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
  pointer-events: none;
}

.page-products .struct__inner {
  position: relative;
}

.page-products .struct__sample {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin: 0 0 26px;
  font-size: clamp(18px, 3.2vw, 30px);
  letter-spacing: 0.04em;
}

.page-products .seg {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--line-strong);
  background: var(--paper-2);
  color: var(--ink);
}

.page-products .seg--1 {
  border-color: var(--blue-mid);
  color: var(--blue);
}

.page-products .seg--2 {
  border-color: var(--green);
  color: var(--green);
}

.page-products .struct__dash {
  color: var(--line-strong);
  padding: 0 2px;
}

.page-products .struct__parts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .struct__part {
  padding: 16px 0 16px;
  border-bottom: 1px solid var(--line);
}

.page-products .struct__key {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue-mid);
}

.page-products .struct__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .years {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.page-products .years__row {
  display: grid;
  grid-template-columns: minmax(88px, auto) 1fr;
  grid-template-areas:
    "tag bar"
    "tag text";
  gap: 8px 14px;
  align-items: center;
}

.page-products .years__tag {
  grid-area: tag;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-products .years__bar {
  grid-area: bar;
  height: 8px;
  background: var(--paper-2);
  border: 1px solid var(--line);
}

.page-products .years__bar--now {
  background: var(--blue);
  border-color: var(--blue);
}

.page-products .years__text {
  grid-area: text;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 双栏区块 ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-products .split__body {
  min-width: 0;
}

.page-products .split__media {
  min-width: 0;
}

/* ---------- 字段与规则列表 ---------- */
.page-products .fields {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .fields li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .fields__key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue-mid);
  padding-top: 2px;
}

.page-products .fields__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .fields__val strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .rules {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .rules li {
  position: relative;
  padding: 9px 0 9px 22px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-soft);
  border-bottom: 1px dashed var(--line);
}

.page-products .rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 10px;
  height: 1px;
  background: var(--blue-mid);
}

/* ---------- 结果字段 ---------- */
.page-products .result-card {
  border: 1px solid var(--line-strong);
  background: var(--paper);
  padding: clamp(18px, 2.6vw, 28px);
}

.page-products .result-card__cap {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.page-products .exhibit-label {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .exhibit-label__field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .exhibit-label__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.page-products .exhibit-label__val {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-products .result-card__act {
  margin-top: 18px;
}

.page-products .copybtn {
  display: inline-block;
  padding: 9px 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .copybtn:hover {
  color: var(--paper);
  background: var(--blue);
  border-color: var(--blue);
}

.page-products .copybtn:focus-visible {
  outline: 2px solid var(--blue-mid);
  outline-offset: 2px;
}

.page-products .states {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 14px;
}

.page-products .state {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .state p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .state--verify {
  border-left: 3px solid var(--green);
}

.page-products .state--pending {
  border-left: 3px solid var(--orange);
}

.page-products .state--fail {
  border-left: 3px solid var(--red);
}

/* ---------- 版本规则条 ---------- */
.page-products .version-note {
  margin-top: 24px;
  padding: 20px clamp(18px, 2.6vw, 26px);
  background: var(--blue);
  color: var(--paper);
  display: grid;
  gap: 10px;
}

.page-products .version-note__k {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--blue-soft);
}

.page-products .version-note__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  max-width: 62ch;
}

.page-products .version-note__l {
  margin: 4px 0 0;
}

.page-products .version-note__l a {
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--blue-mid);
}

.page-products .version-note__l a:hover {
  border-bottom-color: var(--paper);
}

/* ---------- 工艺六段 ---------- */
.page-products .steps {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0 0 20px;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .steps__item {
  background: var(--paper);
  padding: 12px 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-products .steps__item--key {
  background: var(--blue);
  color: var(--paper);
}

.page-products .steps__num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-products .steps__item--key .steps__num {
  color: var(--paper);
}

.page-products .steps__label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.005em;
}

.page-products .steps-panels {
  border-top: 1px solid var(--line-strong);
}

.page-products .steps-panels .panel + .panel {
  border-top: 1px solid var(--line);
}

.page-products .steps-panels .panel__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  padding: 0 0 16px;
}

/* ---------- 驳回原因 ---------- */
.page-products .rejects {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .rejects__item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .rejects__k {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-products .rejects__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 66ch;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-products .hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .exhibit-label__field {
    grid-template-columns: 150px 1fr;
    gap: 16px;
    align-items: baseline;
  }

  .page-products .states {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .steps {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .steps__item {
    flex-direction: column;
    gap: 6px;
    padding: 14px 12px;
  }

  .page-products .struct__parts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--line);
  }

  .page-products .struct__part {
    padding: 18px 18px 18px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-products .struct__part:last-child {
    border-right: 0;
  }

  .page-products .struct__part + .struct__part {
    padding-left: 18px;
  }
}

@media (min-width: 880px) {
  .page-products .split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(28px, 4vw, 54px);
  }

  .page-products .split--flip .split__media {
    order: -1;
  }
}

@media (min-width: 960px) {
  .page-products .hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .hero__visual {
    margin-top: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1040px) {
  .page-products .body-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 74px;
    gap: clamp(28px, 4vw, 58px);
    align-items: start;
  }

  .page-products .rail {
    position: sticky;
    top: 132px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    overflow: visible;
    padding: 4px 0 0 14px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-products .rail__title {
    display: block;
    margin: 0 0 10px;
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--ink-soft);
  }

  .page-products .rail__item {
    border: 0;
    background: transparent;
    padding: 5px 0;
    text-align: left;
  }

  .page-products .rail__item:hover {
    background: transparent;
    color: var(--blue);
  }

  .page-products .rail__item[data-active] {
    background: transparent;
    color: var(--orange);
    border-left: 2px solid var(--orange);
    margin-left: -16px;
    padding-left: 14px;
  }

  .page-products .rejects {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 48px);
  }

  .page-products .rejects__item:nth-child(odd) {
    padding-right: clamp(20px, 3vw, 40px);
  }

  .page-products .rejects__item:nth-child(even) {
    padding-left: clamp(20px, 3vw, 40px);
  }
}

/* ---------- 窄屏表格折叠 ---------- */
@media (max-width: 700px) {
  .page-products .wtable thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .page-products .wtable,
  .page-products .wtable tbody,
  .page-products .wtable tr,
  .page-products .wtable th,
  .page-products .wtable td {
    display: block;
    width: 100%;
  }

  .page-products .wtable tbody tr {
    border: 1px solid var(--line);
    margin-bottom: 12px;
    background: var(--paper);
  }

  .page-products .wtable tbody th,
  .page-products .wtable tbody td {
    border-bottom: 1px solid var(--line);
    padding: 11px 14px;
  }

  .page-products .wtable tbody tr > *:last-child {
    border-bottom: 0;
  }

  .page-products .wtable tbody th::before,
  .page-products .wtable tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 5px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    font-weight: 400;
    color: var(--ink-soft);
  }

  .page-products .fields li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-products .sec {
    scroll-margin-top: 96px;
  }
}