/* ========== 解决方案与工具 页面专属样式 ========== */
.page-products {
  --page-accent-white: rgba(255, 255, 255, 0.8);
  background: var(--c-light);
  color: var(--c-text);
  font-family: var(--font-body);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---- Hero ---- */
.page-products .page-hero {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-dark) 78%);
  color: var(--c-white);
  padding: 34px 0 58px;
  position: relative;
  overflow: hidden;
}

.page-products .page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48%;
  height: 100%;
  background: linear-gradient(112deg, transparent 28%, rgba(255, 107, 26, 0.42) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .page-hero__inner {
  position: relative;
  z-index: 2;
}

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
  font-size: 14px;
}

.page-products .breadcrumb__link {
  color: var(--c-silver);
  text-decoration: none;
  transition: color var(--ease);
}

.page-products .breadcrumb__link:hover {
  color: var(--c-accent);
}

.page-products .breadcrumb__sep {
  color: rgba(255, 255, 255, 0.45);
}

.page-products .breadcrumb__current {
  color: rgba(255, 255, 255, 0.85);
}

.page-products .page-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-products .page-hero__text {
  max-width: 700px;
}

.page-products .eyebrow {
  color: var(--c-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.page-products .page-title {
  font-family: var(--font-head);
  font-size: clamp(40px, 7vw, 64px);
  line-height: 0.96;
  color: var(--c-white);
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.page-products .page-subtitle {
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.72;
  margin: 0;
}

.page-products .page-hero__decor {
  display: none;
}

/* ---- Section head ---- */
.page-products .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px 28px;
  padding: 36px 0 18px;
  position: relative;
  overflow: hidden;
}

.page-products .section-head__eyebrow {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--c-accent);
  margin-bottom: 8px;
}

.page-products .section-head h2 {
  font-family: var(--font-head);
  font-size: 30px;
  line-height: 1.1;
  color: var(--c-primary);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-products .section-head__desc {
  margin: 0;
  max-width: 420px;
  color: var(--c-text-2);
  font-size: 14px;
  line-height: 1.6;
}

/* ---- Module tags ---- */
.page-products .module-tags {
  padding-bottom: 56px;
  scroll-margin-top: 88px;
}

.page-products .module-tags__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
}

@media (min-width: 1024px) {
  .page-products .module-tags__layout {
    grid-template-columns: 290px 1fr;
    gap: 28px;
    align-items: start;
  }
}

.page-products .module-tags__aside {
  background: var(--c-primary);
  color: var(--c-white);
  border-radius: 0 14px 14px 0;
  padding: 26px 22px 22px;
  position: relative;
  overflow: hidden;
}

.page-products .module-tags__aside::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-gold) 100%);
}

.page-products .module-tags__aside::after {
  content: "";
  position: absolute;
  right: -32px;
  top: -32px;
  width: 120px;
  height: 120px;
  border: 2px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

@media (min-width: 1024px) {
  .page-products .module-tags__aside {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

.page-products .module-tags__title {
  font-family: var(--font-head);
  font-size: 20px;
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.page-products .module-tags__intro {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.65;
  margin: 0 0 16px;
}

.page-products .module-tags__filter {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .module-tags__filter button {
  border: none;
  background: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
}

.page-products .module-tags__visual {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 12px;
  overflow: hidden;
  padding: 6px;
}

.page-products .module-tags__visual img {
  border-radius: 8px;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .module-tags__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.55);
}

.page-products .module-tags__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .page-products .module-tags__main {
    grid-template-columns: repeat(12, 1fr);
    gap: 16px;
    align-items: start;
  }

  .page-products .module-card--notice {
    grid-column: span 4;
  }

  .page-products .module-card--guide {
    grid-column: span 5;
    margin-top: 48px;
  }

  .page-products .module-card--tool {
    grid-column: span 3;
    margin-top: 96px;
  }
}

.page-products .module-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 6px 20px rgba(8, 20, 41, 0.05);
  transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease);
}

.page-products .module-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-accent);
  box-shadow: var(--shadow-card);
}

.page-products .module-card__icon {
  width: 120px;
  height: 120px;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 18px;
  background: var(--c-light);
}

.page-products .module-card__icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .module-card h3 {
  font-family: var(--font-head);
  font-size: 21px;
  color: var(--c-primary);
  margin: 0 0 12px;
  letter-spacing: 0.01em;
}

.page-products .module-card p {
  color: var(--c-text-2);
  font-size: 14px;
  line-height: 1.65;
  margin: 0 0 14px;
  flex: 1;
}

.page-products .module-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.page-products .link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-accent);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: color var(--ease);
}

.page-products .link-more::after {
  content: "→";
  font-size: 16px;
  line-height: 1;
}

.page-products .link-more:hover {
  color: var(--c-primary);
}

/* ---- Tags ---- */
.page-products .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  padding: 6px 12px;
  text-decoration: none;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-products .tag::before {
  content: "";
  width: 5px;
  height: 5px;
  background: currentColor;
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-products .tag--accent {
  color: var(--c-accent);
  border: 1px solid rgba(255, 107, 26, 0.35);
  background: rgba(255, 107, 26, 0.12);
}

.page-products .tag--gold {
  color: #B8860B;
  border: 1px solid rgba(255, 215, 0, 0.45);
  background: rgba(255, 215, 0, 0.14);
}

.page-products .tag--outline {
  color: var(--c-primary);
  border: 1px solid rgba(11, 29, 58, 0.2);
  background: rgba(11, 29, 58, 0.05);
}

.page-products .module-tags__aside .tag--outline {
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.page-products .module-tags__aside .tag--accent {
  color: var(--c-accent);
  border-color: rgba(255, 107, 26, 0.5);
  background: rgba(255, 107, 26, 0.2);
}

.page-products .module-tags__aside .tag--gold {
  color: var(--c-gold);
  border-color: rgba(255, 215, 0, 0.5);
  background: rgba(255, 215, 0, 0.12);
}

/* ---- Tool list ---- */
.page-products .tool-list {
  background: var(--c-dark);
  padding: 28px 0 56px;
  scroll-margin-top: 88px;
}

.page-products .tool-list .section-head h2 {
  color: var(--c-white);
}

.page-products .tool-list .section-head__desc {
  color: rgba(255, 255, 255, 0.58);
}

.page-products .tool-list .section-head::after {
  content: "02";
  font-family: var(--font-head);
  font-size: 128px;
  line-height: 1;
  position: absolute;
  right: 8px;
  top: -30px;
  color: rgba(255, 255, 255, 0.05);
  pointer-events: none;
  z-index: 0;
}

.page-products .tool-list .section-head > * {
  position: relative;
  z-index: 1;
}

.page-products .tool-list__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 22px;
}

@media (min-width: 640px) {
  .page-products .tool-list__grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 18px;
  }

  .page-products .tool-card--primary {
    grid-column: span 6;
  }

  .page-products .tool-card {
    grid-column: span 3;
  }

  .page-products .tool-card--wide {
    grid-column: span 6;
  }
}

@media (min-width: 1024px) {
  .page-products .tool-card--primary {
    grid-column: span 3;
    grid-row: span 2;
    min-height: 320px;
  }

  .page-products .tool-card:nth-of-type(2) {
    grid-column: span 3;
  }

  .page-products .tool-card:nth-of-type(3) {
    grid-column: span 3;
  }

  .page-products .tool-card:nth-of-type(4) {
    grid-column: span 2;
  }

  .page-products .tool-card--wide {
    grid-column: span 4;
  }
}

.page-products .tool-card {
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 22px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-products .tool-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--c-accent);
  opacity: 0.55;
  border-radius: 4px 0 0 4px;
}

.page-products .tool-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 215, 0, 0.4);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
}

.page-products .tool-card__index {
  font-family: var(--font-head);
  color: var(--c-gold);
  font-size: 20px;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.page-products .tool-card h3 {
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--c-white);
  margin: 0 0 12px;
}

.page-products .tool-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.65;
  margin: 0 0 16px;
  flex: 1;
}

.page-products .tool-card .link-more {
  color: var(--c-accent);
}

.page-products .tool-card .link-more:hover {
  color: var(--c-gold);
}

/* ---- Guide list ---- */
.page-products .guide-list {
  background: var(--c-white);
  padding: 10px 0 44px;
  scroll-margin-top: 88px;
}

.page-products .guide-list .section-head::after {
  content: "03";
  font-family: var(--font-head);
  font-size: 128px;
  line-height: 1;
  position: absolute;
  right: 8px;
  top: -30px;
  color: rgba(11, 29, 58, 0.05);
  pointer-events: none;
}

.page-products .guide-list__items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 22px;
}

@media (min-width: 720px) {
  .page-products .guide-list__items {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
}

.page-products .guide-item {
  background: var(--c-light);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-accent);
  border-radius: 10px;
  padding: 20px 18px;
  position: relative;
  transition: box-shadow var(--ease), transform var(--ease);
}

.page-products .guide-item:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.page-products .guide-item__num {
  font-family: var(--font-head);
  color: var(--c-accent);
  font-size: 20px;
  letter-spacing: 0.08em;
}

.page-products .guide-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-primary);
  margin: 8px 0 10px;
  line-height: 1.4;
}

.page-products .guide-item p {
  color: var(--c-text-2);
  font-size: 14px;
  line-height: 1.62;
  margin: 0 0 12px;
}

.page-products .guide-item .link-more {
  color: var(--c-accent);
  font-size: 13px;
}

.page-products .guide-item .link-more:hover {
  color: var(--c-primary);
}

/* ---- Announcements ---- */
.page-products .announce-section {
  background: var(--c-light);
  border-top: 1px solid var(--c-border);
  padding: 8px 0 56px;
  scroll-margin-top: 88px;
}

.page-products .announce-section .section-head::after {
  content: "04";
  font-family: var(--font-head);
  font-size: 128px;
  line-height: 1;
  position: absolute;
  right: 8px;
  top: -30px;
  color: rgba(11, 29, 58, 0.05);
  pointer-events: none;
}

.page-products .announce-list__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
}

@media (min-width: 900px) {
  .page-products .announce-list__layout {
    grid-template-columns: 250px 1fr;
    align-items: start;
    gap: 28px;
  }

  .page-products .announce-list__filters {
    position: sticky;
    top: 96px;
  }
}

.page-products .announce-list__filters {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 20px;
}

.page-products .announce-list__filters h3 {
  font-size: 16px;
  margin: 0 0 14px;
  color: var(--c-primary);
}

.page-products .announce-list__tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .announce-list__filters button {
  border: none;
  background: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
}

.page-products .announce-list__hint {
  color: var(--c-text-2);
  font-size: 13px;
  line-height: 1.55;
  margin: 16px 0 0;
  border-top: 1px dashed var(--c-border);
  padding-top: 14px;
}

.page-products .announce-list__items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 760px) {
  .page-products .announce-list__items {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .page-products .announce-item--wide {
    grid-column: 1 / -1;
  }
}

.page-products .announce-item {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 18px;
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--ease), transform var(--ease);
}

.page-products .announce-item:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.page-products .announce-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--c-accent);
  opacity: 0.55;
}

.page-products .announce-item:nth-of-type(4)::before {
  background: var(--c-gold);
  opacity: 0.6;
}

.page-products .announce-item__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.page-products .announce-item__update {
  margin-left: auto;
  font-size: 12px;
  color: var(--c-text-2);
  font-weight: 400;
}

.page-products .announce-item h3 {
  font-size: 17px;
  color: var(--c-primary);
  margin: 0 0 8px;
  line-height: 1.45;
}

.page-products .announce-item p {
  color: var(--c-text-2);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 12px;
}

.page-products .announce-item .link-more {
  font-size: 13px;
}

/* ---- Desktop hero fine tuning ---- */
@media (min-width: 768px) {
  .page-products .page-hero {
    padding: 44px 0 72px;
  }

  .page-products .page-hero__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .page-products .page-hero__decor {
    display: block;
    position: relative;
    justify-self: end;
  }

  .page-products .page-hero__decor::before {
    content: "";
    position: absolute;
    inset: -28px -14px auto auto;
    width: 120px;
    height: 120px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
  }

  .page-products .page-hero__decor::after {
    content: "";
    position: absolute;
    right: 4px;
    bottom: -18px;
    width: 68px;
    height: 68px;
    background: rgba(255, 107, 26, 0.3);
    clip-path: polygon(0 50%, 100% 0, 100% 100%);
  }

  .page-products .page-hero__img {
    width: 300px;
    height: 200px;
    object-fit: cover;
    clip-path: polygon(10% 0, 100% 0, 100% 88%, 0 100%);
  }
}