/* ==========================================================
   方案中心 /solutions/  —  页面作用域 .page-products
   移动端优先，桌面端以断点铺开
   ========================================================== */

.page-products {
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

.page-products .container {
  padding-inline: clamp(18px, 4vw, 32px);
}

/* ---------- 索引头 ---------- */
.page-products .page-head {
  padding: clamp(30px, 5vw, 68px) 0 clamp(26px, 4vw, 48px);
  border-bottom: 1px solid var(--track-line);
  position: relative;
}

.page-products .page-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(220px, 40%);
  height: 3px;
  background: var(--lime);
}

.page-products .breadcrumb {
  margin-bottom: 22px;
}

.page-products .page-head__eyebrow {
  color: var(--lime);
}

.page-products .page-head__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  max-width: 20ch;
  color: var(--paper);
}

.page-products .page-head__lead {
  font-size: 15.5px;
  line-height: 1.8;
  max-width: 62ch;
  color: var(--muted);
}

.page-products .head-facts {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--track-line);
  border: 1px solid var(--track-line);
}

.page-products .head-facts li {
  background: var(--track);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .head-facts b {
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--lime);
  line-height: 1;
}

.page-products .head-facts span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 通用章节胎架 ---------- */
.page-products .section {
  padding: clamp(46px, 6vw, 92px) 0;
}

.page-products .section--track {
  background: var(--track);
}

.page-products .section--deep {
  background: var(--night);
}

.page-products .section--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-products .sec-head {
  max-width: 66ch;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .sec-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 10px 0 12px;
}

.page-products .sec-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

.page-products .section--paper .sec-lead {
  color: var(--ink-soft);
}

.page-products .section--paper .index-label {
  color: var(--track);
}

/* ---------- 01 方案总览：不等高条带 ---------- */
.page-products .sol-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .sol-strip__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
  background: var(--track);
  border: 1px solid var(--track-line);
  border-left: 4px solid var(--track-line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .sol-strip__item:hover,
.page-products .sol-strip__item:focus-within {
  border-color: var(--lime);
  border-left-color: var(--lime);
  transform: translateY(-3px);
}

.page-products .sol-strip__num {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  background: var(--lime);
  color: var(--night);
  padding: 3px 9px;
}

.page-products .sol-strip__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.2;
  margin: 0;
  color: var(--paper);
}

.page-products .sol-strip__desc {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
}

.page-products .sol-strip__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--track-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-products .sol-strip__meta span {
  color: var(--lime);
}

/* ---------- 02 联赛切换轨道 ---------- */
.page-products .mech-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 38px);
}

.page-products .mech {
  padding: 20px 18px;
  border: 1px solid var(--track-line);
  background: linear-gradient(180deg, rgba(5, 13, 24, 0.5), rgba(5, 13, 24, 0));
}

.page-products .mech__num {
  color: var(--lime);
  display: block;
  margin-bottom: 8px;
}

.page-products .mech h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .mech p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
}

/* ---------- 图片容器补充 ---------- */
.page-products .figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-products .figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border: 1px solid var(--track-line);
}

.page-products .section--paper .figure img {
  border-color: var(--rule);
}

.page-products .figure--3-2 img {
  aspect-ratio: 3 / 2;
}

.page-products .figure--wide img {
  aspect-ratio: 16 / 7;
}

.page-products .figure-cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .section--paper .figure-cap {
  color: var(--ink-soft);
}

/* ---------- 03 对照表三态切换 ---------- */
.page-products .tri-switch {
  position: relative;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .tri-switch > input[type="radio"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.page-products .tri-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .tri-labels label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 10px 18px;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-products .tri-labels label:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.page-products #t-cards:checked ~ .tri-labels label[for="t-cards"],
.page-products #t-live:checked ~ .tri-labels label[for="t-live"],
.page-products #t-hist:checked ~ .tri-labels label[for="t-hist"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--lime);
}

.page-products .tri-panel {
  display: none;
  border-top: 4px solid var(--rule);
  padding-top: 16px;
}

.page-products .tri-panel--cards { border-top-color: var(--coral); }
.page-products .tri-panel--live { border-top-color: var(--lime); }
.page-products .tri-panel--hist { border-top-color: var(--verify); }

.page-products #t-cards:checked ~ .tri-panels .tri-panel--cards,
.page-products #t-live:checked ~ .tri-panels .tri-panel--live,
.page-products #t-hist:checked ~ .tri-panels .tri-panel--hist {
  display: block;
}

/* ---------- 表格 ---------- */
.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--rule);
  background: #fff;
}

.page-products .data-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .data-table th {
  position: sticky;
  top: 0;
  background: var(--track);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-align: left;
  padding: 11px 14px;
  border-bottom: 2px solid var(--lime);
  white-space: nowrap;
}

.page-products .data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  vertical-align: middle;
}

.page-products .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .data-table tbody tr:nth-child(even) {
  background: rgba(20, 49, 90, 0.045);
}

.page-products .data-table tbody tr:hover {
  background: rgba(216, 255, 62, 0.18);
}

.page-products .data-table .score {
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-products .data-table .u-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

/* ---------- 版本节点 ---------- */
.page-products .hist-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 14px;
}

.page-products .ver-track {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  padding: 4px 2px 14px;
}

.page-products .ver-track:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.page-products .ver-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 12px;
  min-width: max-content;
}

.page-products .ver-node {
  flex: 0 0 196px;
  scroll-snap-align: start;
  padding: 14px 14px 16px;
  background: #fff;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--verify);
}

.page-products .ver-node .index-num {
  display: block;
  color: var(--track);
  margin-bottom: 6px;
}

.page-products .ver-node b {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

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

/* ---------- 04 通道对照 ---------- */
.page-products .ch-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .ch-panel {
  padding: 18px 16px 20px;
  background: var(--track);
  border: 1px solid var(--track-line);
}

.page-products .ch-panel--result {
  background: rgba(5, 13, 24, 0.72);
  border-color: var(--lime);
}

.page-products .ch-panel .index-label {
  color: var(--lime);
  display: block;
  margin-bottom: 14px;
}

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

.page-products .ch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border-bottom: 1px solid var(--track-line);
  font-size: 13px;
  color: var(--paper);
}

.page-products .ch-row:last-child {
  border-bottom: 0;
}

.page-products .ch-row.is-ok {
  border-left: 3px solid var(--verify);
}

.page-products .ch-row.is-diff {
  border-left: 3px solid var(--coral);
  background: rgba(255, 90, 72, 0.14);
  color: var(--coral);
}

.page-products .ch-scene {
  line-height: 1.5;
}

.page-products .ch-vals {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.page-products .ch-vals i {
  font-style: normal;
  color: var(--muted);
}

.page-products .score--sm {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
}

.page-products .diff-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  padding: 9px 13px;
  border: 1px dashed var(--track-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.page-products .diff-toggle input {
  width: 14px;
  height: 14px;
  accent-color: var(--lime);
  cursor: pointer;
  margin: 0;
}

.page-products .ch-split:has(#only-diff:checked) .ch-panel--result .ch-row:not(.is-diff) {
  display: none;
}

.page-products .ch-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 05 iOS 客户端 ---------- */
.page-products .ios-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .ios-shot {
  margin: 0;
}

.page-products .ios-shot img {
  width: 100%;
  max-width: 320px;
  height: auto;
  display: block;
  border: 1px solid var(--track-line);
  object-fit: cover;
}

.page-products .ios-copy .sec-title {
  margin-top: 10px;
}

.page-products .ios-copy > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 18px;
}

.page-products .ios-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--track-line);
  border: 1px solid var(--track-line);
}

.page-products .ios-list li {
  background: var(--night);
  padding: 13px 16px;
  display: grid;
  gap: 4px;
}

.page-products .ios-list b {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
  font-weight: 400;
}

.page-products .ios-list span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .ios-cta {
  border-left: 3px solid var(--lime);
  padding-left: 14px;
  color: var(--paper) !important;
}

/* ---------- 06 当季指南 ---------- */
.page-products .guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .guide-card {
  padding: 20px 18px;
  background: #fff;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--track);
}

.page-products .guide-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--coral);
  margin-bottom: 8px;
}

.page-products .guide-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-products .guide-card p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- 07 接入节奏 ---------- */
.page-products .onboard {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-products .onboard li {
  position: relative;
  padding: 24px 0 22px 0;
  border-top: 2px solid var(--track-line);
}

.page-products .onboard li::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  background: var(--lime);
}

.page-products .onboard__num {
  display: block;
  color: var(--lime);
  margin-bottom: 8px;
}

.page-products .onboard h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-products .onboard p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
  max-width: 42ch;
}

/* ---------- 08 能力对照 ---------- */
.page-products .fit-scroll {
  max-height: 70vh;
  overflow-y: auto;
}

.page-products .fit-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--ink);
}

.page-products .fit-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--night);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-align: left;
  padding: 13px 16px;
  border-bottom: 2px solid var(--lime);
  white-space: nowrap;
}

.page-products .fit-table td {
  padding: 16px;
  border-bottom: 1px solid var(--track-line);
  color: var(--paper);
  line-height: 1.7;
  vertical-align: top;
}

.page-products .fit-table td:first-child {
  border-left: 4px solid var(--lime);
  color: var(--paper);
  font-weight: 500;
}

.page-products .fit-table tbody tr:nth-child(even) td {
  background: rgba(20, 49, 90, 0.42);
}

.page-products .fit-table tbody tr:hover td {
  background: rgba(216, 255, 62, 0.12);
}

.page-products .pathbar {
  margin-top: clamp(24px, 3vw, 36px);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .head-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .sol-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-products .sol-strip {
    grid-template-columns: 1.45fr 1.18fr 1fr 0.9fr;
    align-items: start;
  }

  .page-products .sol-strip__item:nth-child(1) { min-height: 268px; }
  .page-products .sol-strip__item:nth-child(2) { min-height: 240px; }
  .page-products .sol-strip__item:nth-child(3) { min-height: 214px; }
  .page-products .sol-strip__item:nth-child(4) { min-height: 190px; }

  .page-products .ch-split {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-products .ios-split {
    grid-template-columns: 320px minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .onboard {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .onboard li {
    padding: 24px 22px 0 0;
  }
}

@media (min-width: 1100px) {
  .page-products .page-head__lead {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .sol-strip__item,
  .page-products .tri-labels label {
    transition: none;
  }

  .page-products .sol-strip__item:hover,
  .page-products .sol-strip__item:focus-within {
    transform: none;
  }
}