/* ============================================================
   page-products —— 案例项目合集 /projects/
   作用域内所有选择器均以 .page-products 前缀限定
   ============================================================ */

.page-products {
  --case-line: rgba(35, 43, 92, 0.16);
  --case-line-strong: rgba(35, 43, 92, 0.34);
  --case-copper-line: rgba(169, 118, 44, 0.42);
  --case-pad: clamp(16px, 3.2vw, 22px);
  display: block;
}

/* ---------- 无障碍隐藏 ---------- */
.page-products .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 显现动效 ---------- */
.page-products .reveal {
  transition: opacity 0.42s var(--ease), transform 0.42s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .page-products .reveal {
    transition: opacity 0.12s linear;
    transform: none !important;
  }
  .page-products .sector-card,
  .page-products .case-card {
    transition: none !important;
  }
}

/* ============================================================
   首屏
   ============================================================ */
.page-products .proj-hero {
  padding-top: clamp(18px, 3vw, 38px);
}

.page-products .proj-hero__inner {
  padding-bottom: clamp(22px, 4vw, 42px);
}

.page-products .proj-hero h1 {
  margin: 14px 0 0;
  max-width: 21ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 5.6vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-products .proj-hero .lede {
  margin-top: 18px;
  max-width: 60ch;
}

.page-products .proj-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .proj-hero__banner {
  margin: 0 auto;
  max-width: var(--shell);
  padding: 0 var(--gutter);
}

.page-products .proj-hero__banner img {
  display: block;
  width: 100%;
  height: clamp(180px, 26vw, 400px);
  object-fit: cover;
  border-radius: var(--radius-l);
  border: 1px solid var(--case-line);
  background: var(--indigo-700);
}

/* ============================================================
   行业分区带（横向滚动 + 滚动吸附）
   ============================================================ */
.page-products .sector-band {
  margin-top: clamp(30px, 5vw, 58px);
}

.page-products .sector-band__head {
  margin-bottom: 16px;
}

.page-products .sector-band__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2.6vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-products .sector-band__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding: 4px var(--gutter) 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--copper-600) transparent;
}

.page-products .sector-band__track::-webkit-scrollbar {
  height: 6px;
}

.page-products .sector-band__track::-webkit-scrollbar-thumb {
  background: var(--case-copper-line);
  border-radius: var(--radius-pill);
}

.page-products .sector-card {
  flex: 0 0 auto;
  width: clamp(176px, 46vw, 226px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 18px 20px;
  background: var(--paper-50);
  border: 1px solid var(--case-copper-line);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
  color: inherit;
  text-decoration: none;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease),
    border-color 0.28s var(--ease);
}

.page-products .sector-card:hover,
.page-products .sector-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-m);
  border-color: var(--copper-600);
}

.page-products .sector-card__code {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.page-products .sector-card__name {
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 800;
  line-height: 1.2;
  color: var(--ink-900);
}

.page-products .sector-card__count {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  color: var(--copper-600);
}

.page-products .sector-card__desc {
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--graphite-700);
}

/* ============================================================
   合集速览
   ============================================================ */
.page-products .proj-stats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-products .proj-stats__grid {
    grid-template-columns: 1.1fr 1fr;
  }
}

.page-products .proj-stats__copy .section-title {
  margin: 8px 0 0;
  max-width: 20ch;
}

.page-products .proj-stats__copy .lede {
  margin-top: 16px;
  max-width: 52ch;
}

.page-products .proj-stats__nums {
  position: relative;
  overflow: hidden;
  list-style: none;
  margin: 0;
  padding: clamp(20px, 3.4vw, 34px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 28px);
  background: var(--ink-900);
  border-radius: var(--radius-l);
}

.page-products .proj-stats__nums::after {
  content: "04-2";
  position: absolute;
  right: 16px;
  bottom: 6px;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 8vw, 4rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(201, 162, 39, 0.14);
  pointer-events: none;
}

.page-products .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--copper-400);
}

.page-products .stat-label {
  display: block;
  margin-top: 9px;
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--indigo-100);
  opacity: 0.86;
}

/* ============================================================
   筛选与案例流
   ============================================================ */
.page-products .case-section__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 38px);
  align-items: end;
}

@media (min-width: 900px) {
  .page-products .case-section__head {
    grid-template-columns: 5fr 7fr;
  }
}

.page-products .case-section__intro .section-title {
  margin: 8px 0 0;
  max-width: 20ch;
}

.page-products .case-section__intro .lede {
  margin-top: 14px;
  max-width: 46ch;
}

.page-products .case-section__media {
  margin: 0;
}

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

.page-products .case-browser {
  margin-top: clamp(24px, 4vw, 42px);
}

.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  background: var(--paper-50);
  border: 1px solid var(--case-line);
  border-radius: var(--radius-m);
}

.page-products .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--case-line);
  border-radius: var(--radius-pill);
  background: #fff;
  font-size: var(--fs-14);
  line-height: 1.2;
  color: var(--graphite-700);
  cursor: pointer;
  user-select: none;
  transition: background 0.22s var(--ease), color 0.22s var(--ease),
    border-color 0.22s var(--ease);
}

.page-products .filter-chip:hover {
  border-color: var(--copper-600);
  color: var(--ink-900);
}

.page-products .filter-chip__num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--slate-400);
}

.page-products .filter-input:checked + .filter-chip {
  background: var(--indigo-700);
  border-color: var(--indigo-700);
  color: var(--paper-50);
}

.page-products .filter-input:checked + .filter-chip .filter-chip__num {
  color: var(--copper-400);
}

.page-products .filter-input:focus-visible + .filter-chip {
  outline: 2px solid var(--copper-600);
  outline-offset: 2px;
}

.page-products .case-browser__hint {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--slate-400);
}

/* —— 纯前端行业筛选 —— */
.page-products .case-browser:has(#ind-mfg:checked) .case-card:not([data-ind="mfg"]),
.page-products .case-browser:has(#ind-retail:checked) .case-card:not([data-ind="retail"]),
.page-products .case-browser:has(#ind-edu:checked) .case-card:not([data-ind="edu"]),
.page-products .case-browser:has(#ind-med:checked) .case-card:not([data-ind="med"]),
.page-products .case-browser:has(#ind-logi:checked) .case-card:not([data-ind="logi"]),
.page-products .case-browser:has(#ind-cult:checked) .case-card:not([data-ind="cult"]),
.page-products .case-browser:has(#ind-fin:checked) .case-card:not([data-ind="fin"]),
.page-products .case-browser:has(#ind-energy:checked) .case-card:not([data-ind="energy"]),
.page-products .case-browser:has(#ind-gov:checked) .case-card:not([data-ind="gov"]) {
  display: none;
}

/* —— 错位案例流 —— */
.page-products .case-stream {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(18px, 3vw, 28px);
  align-items: start;
}

@media (min-width: 1024px) {
  .page-products .case-stream {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
  }
  .page-products .span-4 { grid-column: span 4; }
  .page-products .span-5 { grid-column: span 5; }
  .page-products .span-6 { grid-column: span 6; }
  .page-products .span-7 { grid-column: span 7; }
  .page-products .span-8 { grid-column: span 8; }
  .page-products .span-12 { grid-column: span 12; }
}

/* ============================================================
   案例卡
   ============================================================ */
.page-products .case-card {
  overflow: hidden;
  background: var(--paper-50);
  border: 1px solid var(--case-line);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
  transition: box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-products .case-card:hover {
  box-shadow: var(--shadow-m);
  border-color: var(--case-copper-line);
}

.page-products .case-card[open] {
  border-color: var(--case-copper-line);
  box-shadow: var(--shadow-m);
}

.page-products .case-card__head {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--case-pad);
  list-style: none;
  cursor: pointer;
}

.page-products .case-card__head::-webkit-details-marker {
  display: none;
}

.page-products .case-card__head::after {
  content: "+";
  position: absolute;
  top: calc(var(--case-pad) - 2px);
  right: var(--case-pad);
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--case-copper-line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1;
  color: var(--copper-600);
  transition: background 0.26s var(--ease), color 0.26s var(--ease),
    border-color 0.26s var(--ease);
}

.page-products .case-card[open] .case-card__head::after {
  content: "–";
  background: var(--copper-600);
  border-color: var(--copper-600);
  color: var(--paper-50);
}

.page-products .case-card__code {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--copper-600);
}

.page-products .case-card__title {
  margin: 0;
  padding-right: 36px;
  font-family: var(--font-display);
  font-size: clamp(1.04rem, 2.2vw, 1.28rem);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-products .case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .case-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 var(--case-pad) var(--case-pad);
}

/* —— 三段结构 —— */
.page-products .seg {
  padding: 13px 15px 14px 17px;
  border-left: 3px solid var(--case-line-strong);
  border-radius: var(--radius-s);
  background: #fff;
}

.page-products .seg--context {
  border-left-color: var(--indigo-500);
  background: rgba(231, 233, 247, 0.55);
}

.page-products .seg--method {
  border-left-color: var(--copper-600);
}

.page-products .seg--result {
  border-left-color: var(--coral-500);
  background: rgba(255, 107, 74, 0.055);
}

.page-products .seg__label {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--slate-400);
}

.page-products .seg p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.72;
  color: var(--graphite-700);
}

.page-products .seg__num {
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 1.12em;
  font-weight: 600;
  color: var(--coral-500);
}

/* ============================================================
   辅助卡（标签速览 / 版本对照）
   ============================================================ */
.page-products .aux-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--case-pad);
  background: var(--indigo-100);
  border: 1px solid var(--case-line);
  border-radius: var(--radius-m);
}

.page-products .aux-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--copper-600);
}

.page-products .aux-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  font-weight: 700;
  line-height: 1.42;
  color: var(--ink-900);
}

.page-products .aux-card__body-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--graphite-700);
}

.page-products .aux-card__note {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.66;
  color: var(--slate-400);
}

.page-products .aux-card .meta-mono {
  margin-top: auto;
  color: var(--indigo-500);
}

.page-products .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .tag-cloud .tag {
  font-size: var(--fs-12);
}

/* ============================================================
   案例卡结构说明
   ============================================================ */
.page-products .card-anatomy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-products .card-anatomy__grid {
    grid-template-columns: 7fr 5fr;
  }
}

.page-products .card-anatomy__copy .section-title {
  margin: 8px 0 0;
  max-width: 20ch;
}

.page-products .card-anatomy__copy .lede {
  margin-top: 14px;
  max-width: 50ch;
}

.page-products .anatomy-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .anatomy-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid var(--case-line);
}

.page-products .anatomy-list li:last-child {
  border-bottom: 1px solid var(--case-line);
}

.page-products .anatomy-list__num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--copper-600);
  padding-top: 2px;
}

.page-products .anatomy-list h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 700;
  color: var(--ink-900);
}

.page-products .anatomy-list p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--graphite-700);
}

.page-products .card-anatomy__media {
  margin: 0;
}

.page-products .card-anatomy__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--case-copper-line);
}

/* ============================================================
   交付流程
   ============================================================ */
.page-products .flow-section .section__head {
  max-width: 62ch;
}

.page-products .flow-section .section-title {
  margin: 8px 0 0;
}

.page-products .flow-section .lede {
  margin-top: 14px;
  max-width: 52ch;
}

.page-products .flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
  margin-top: clamp(24px, 4vw, 40px);
}

@media (min-width: 960px) {
  .page-products .flow-grid {
    grid-template-columns: 5fr 7fr;
  }
}

.page-products .flow-figure {
  margin: 0;
}

.page-products .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.page-products .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  counter-reset: flowstep;
}

.page-products .flow-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  align-items: start;
  padding: 16px 0;
  border-top: 1px solid var(--case-line);
}

.page-products .flow-step:last-child {
  border-bottom: 1px solid var(--case-line);
}

.page-products .flow-step__code {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--copper-600);
  padding-top: 3px;
}

.page-products .flow-step__text h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 700;
  color: var(--ink-900);
}

.page-products .flow-step__text p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--graphite-700);
  max-width: 46ch;
}

.page-products .flow-step__time {
  grid-column: 2;
  display: inline-block;
  margin-top: 8px;
  padding: 3px 10px;
  border: 1px solid var(--case-copper-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--copper-600);
  justify-self: start;
}

/* ============================================================
   版本对照
   ============================================================ */
.page-products .diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

@media (min-width: 960px) {
  .page-products .diff-grid {
    grid-template-columns: 5fr 7fr;
  }
}

.page-products .diff-copy .section-title {
  margin: 8px 0 0;
  max-width: 19ch;
}

.page-products .diff-copy .lede {
  margin-top: 14px;
  max-width: 46ch;
}

.page-products .diff-points {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .diff-points li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--graphite-700);
}

.page-products .diff-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 11px;
  height: 2px;
  background: var(--copper-600);
}

.page-products .diff-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-products .diff-links a {
  font-size: var(--fs-14);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--case-copper-line);
  padding-bottom: 2px;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-products .diff-media {
  margin: 0;
}

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

/* ============================================================
   结尾行动区
   ============================================================ */
.page-products .proj-cta {
  padding: clamp(36px, 6vw, 76px) 0 clamp(46px, 8vw, 92px);
}

.page-products .proj-cta__box {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 54px);
  background: var(--ink-900);
  border-radius: var(--radius-l);
  color: var(--paper-50);
}

.page-products .proj-cta__box::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 84% 16%, rgba(255, 107, 74, 0.22), transparent 46%),
    radial-gradient(circle at 10% 88%, rgba(201, 162, 39, 0.2), transparent 44%);
}

.page-products .proj-cta__box .eyebrow {
  position: relative;
  color: var(--copper-400);
}

.page-products .proj-cta__box h2 {
  position: relative;
  margin: 10px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(1.34rem, 3.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--paper-50);
}

.page-products .proj-cta__text {
  position: relative;
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--indigo-100);
  opacity: 0.88;
}

.page-products .proj-cta__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-products .proj-cta__box .btn--ghost {
  color: var(--paper-50);
  border-color: rgba(231, 233, 247, 0.42);
}

.page-products .proj-cta__box .btn--ghost:hover {
  border-color: var(--copper-400);
  color: var(--copper-400);
}

/* ============================================================
   窄屏兜底：避免横向溢出
   ============================================================ */
@media (max-width: 600px) {
  .page-products .filter-bar {
    border-radius: var(--radius-m);
    padding: 8px;
  }

  .page-products .filter-chip {
    padding: 7px 12px;
    font-size: var(--fs-12);
  }

  .page-products .case-card__head::after {
    width: 22px;
    height: 22px;
    font-size: var(--fs-12);
  }

  .page-products .proj-stats__nums {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 380px) {
  .page-products .proj-stats__nums {
    grid-template-columns: 1fr;
  }
}
<<<END>>>