/* ==========================================================================
   Homepage Specific Styles (assets/css/home.css)
   ========================================================================== */

/* 1. Hero Section */
.hero {
  position: relative;
  min-height: 860px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 21, 34, 0.98) 0%, rgba(7, 21, 34, 0.91) 45%, rgba(7, 21, 34, 0.48) 75%, rgba(7, 21, 34, 0.2) 100%);
  z-index: 2;
}

.hero-inner {
  position: relative;
  z-index: 3;
  width: 100%;
}

.hero-copy {
  max-width: 780px;
  padding: 80px 0;
}

.hero-title {
  font-size: clamp(52px, 6.5vw, 98px);
  line-height: 0.94;
  letter-spacing: -0.06em;
  color: #fff;
  margin: 0;
}

.hero-title-outline {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.7);
}

.hero-lead {
  max-width: 640px;
  margin: 32px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  width: max-content;
  max-width: 100%;
  margin-top: 60px;
  background: rgba(255, 255, 255, 0.15);
}

.proof-item {
  min-width: 140px;
  padding: 16px 22px;
  background: rgba(7, 21, 34, 0.75);
}

.proof-val {
  display: block;
  font-size: 20px;
  color: #fff;
}

.proof-lbl {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-note {
  position: absolute;
  z-index: 3;
  right: 48px;
  bottom: 34px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 9px;
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
  text-transform: uppercase;
}

.scroll-note::after {
  display: inline-block;
  width: 1px;
  height: 50px;
  margin-top: 14px;
  background: var(--color-orange-500);
  content: "";
}

/* 2. Trust Bar */
.trust {
  border-bottom: 1px solid var(--color-line);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1.25fr repeat(4, 1fr);
}

.trust-label,
.trust-item {
  display: flex;
  min-height: 96px;
  padding: 20px 24px;
  align-items: center;
  border-right: 1px solid var(--color-line);
}

.trust-label {
  color: var(--color-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.trust-item {
  gap: 10px;
  color: var(--color-navy-900);
  font-size: 13px;
  font-weight: 700;
}

.trust-item:last-child {
  border-right: none;
}

.check {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  color: var(--color-green-600);
  background: #EAF5F0;
  border-radius: 50%;
  font-size: 11px;
}

/* 3. Solutions Section */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.solution-card {
  position: relative;
  min-height: 480px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.solution-card--image {
  color: #fff;
  background: var(--color-navy-900);
}

.solution-card--image .solution-image {
  position: absolute;
  inset: 0;
}

.solution-card--image .solution-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 21, 34, 0.05) 20%, rgba(7, 21, 34, 0.94) 100%);
  z-index: 1;
}

.solution-card--image .solution-content {
  position: absolute;
  z-index: 2;
  bottom: 28px;
  left: 28px;
  right: 28px;
}

.solution-index {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 72px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.solution-index i {
  width: 32px;
  height: 1px;
  background: var(--color-orange-500);
}

.solution-card--image h3 {
  color: #fff;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin: 0;
}

.solution-card--image p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
}

.solution-card--text {
  padding: 30px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}

.solution-card--text .solution-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
}

.solution-card--text .solution-index {
  margin-bottom: 0;
  color: var(--color-muted);
}

.solution-card--text h3 {
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--color-navy-900);
  margin: 0;
}

.solution-card--text p {
  margin-top: 12px;
  color: var(--color-steel);
  font-size: 14px;
}

.feature-list {
  display: grid;
  margin: 24px 0 0;
  padding: 0;
}

.feature-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
  border-top: 1px solid var(--color-line);
  color: var(--color-steel);
  font-size: 12px;
  font-weight: 650;
}

.feature-list li span {
  color: var(--color-blue-600);
  font-size: 9px;
}

/* 4. Evidence Section */
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.metric-card {
  padding: 34px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.metric-tag {
  display: block;
  color: rgba(255, 255, 255, 0.45);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metric-val {
  display: block;
  margin-top: 36px;
  font-size: clamp(44px, 4.5vw, 68px);
  line-height: 1;
  letter-spacing: -0.06em;
  color: #fff;
}

.metric-val i {
  font-style: normal;
  color: var(--color-orange-500);
}

.metric-desc {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  line-height: 1.5;
}

.capacity-note {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 5. Process Section */
.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.process-visual {
  position: relative;
  min-height: 600px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-navy-900);
}

.process-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 21, 34, 0.85));
  z-index: 1;
}

.image-caption {
  position: absolute;
  z-index: 2;
  bottom: 24px;
  left: 28px;
  right: 28px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  color: #fff;
}

.image-caption b {
  max-width: 320px;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.image-caption span {
  color: var(--color-orange-500);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.process-title {
  font-size: clamp(36px, 3.8vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin: 0 0 32px;
}

.step-item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 16px;
  padding: 24px 0;
  border-top: 1px solid var(--color-line);
  align-items: start;
}

.step-no {
  color: var(--color-orange-500);
  font-size: 11px;
  padding-top: 4px;
}

.step-body h3 {
  font-size: 17px;
  margin: 0;
  color: var(--color-navy-900);
}

.step-body p {
  margin-top: 6px;
  color: var(--color-steel);
  font-size: 13px;
  line-height: 1.6;
}

.step-tag {
  padding: 4px 8px;
  background: var(--color-blue-100);
  color: var(--color-blue-600);
  border-radius: var(--radius-sm);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 6. Project Feature */
.project-feature {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.project-photo {
  position: relative;
  min-height: 600px;
}

.project-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 56px 48px;
}

.project-title {
  font-size: clamp(38px, 3.8vw, 58px);
  line-height: 1;
  letter-spacing: -0.05em;
  margin: 0;
}

.project-desc {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 15px;
  line-height: 1.7;
}

.project-data {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  margin-top: 36px;
}

.pdata-item {
  padding: 20px 0;
}

.pdata-item:nth-child(odd) {
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  padding-right: 16px;
}

.pdata-item:nth-child(even) {
  padding-left: 20px;
}

.pdata-item b {
  display: block;
  font-size: 18px;
  color: #fff;
}

.pdata-item span {
  color: rgba(255, 255, 255, 0.45);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 7. Quality Logic */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.quality-card {
  min-height: 280px;
  padding: 34px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: transform 0.2s var(--ease-brand), box-shadow 0.2s var(--ease-brand);
}

.quality-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.quality-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 44px;
  color: var(--color-blue-600);
  background: var(--color-blue-100);
  border-radius: var(--radius-md);
  font-size: 11px;
}

.quality-card h3 {
  font-size: 20px;
  margin: 0;
  color: var(--color-navy-900);
}

.quality-card p {
  margin-top: 12px;
  color: var(--color-steel);
  font-size: 14px;
  line-height: 1.65;
}

/* 8. CTA Section — Inherits unified breathing room & styles from style.css */

/* Responsive Overrides */
@media (max-width: 1040px) {
  .hero {
    min-height: 720px;
  }
  .hero-copy {
    padding: 60px 0;
  }
  .scroll-note {
    display: none;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-label {
    grid-column: 1 / -1;
    border-right: none;
    border-bottom: 1px solid var(--color-line);
  }
  .solution-grid {
    grid-template-columns: 1fr 1fr;
  }
  .solution-card--text {
    grid-column: 1 / -1;
  }
  .evidence-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid,
  .project-feature {
    grid-template-columns: 1fr;
  }
  .process-visual {
    min-height: 480px;
  }
  .project-photo {
    min-height: 440px;
  }
  .quality-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .hero {
    min-height: 600px;
  }
  .hero-title {
    font-size: 44px;
  }
  .hero-lead {
    font-size: 16px;
  }
  .proof-item {
    min-width: 120px;
    padding: 12px 16px;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .trust-item {
    border-right: none;
    border-bottom: 1px solid var(--color-line);
  }
  .solution-grid,
  .evidence-grid,
  .quality-grid {
    grid-template-columns: 1fr;
  }
  .cta-panel {
    padding: 40px 24px;
  }
}

/* ==========================================================================
   New 页面规划 Layout Additions (assets/css/home.css)
   ========================================================================== */

/* Hero Image Cover */
.hero-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Four Core Products Grid */
.home-products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 20px;
}

.home-product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.25s var(--ease-brand), box-shadow 0.25s var(--ease-brand), border-color 0.25s var(--ease-brand);
}

.home-product-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-navy-800);
  box-shadow: var(--shadow-soft);
}

.home-product-card__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-navy-900);
}

.home-product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-brand);
}

.home-product-card:hover .home-product-card__media img {
  transform: scale(1.04);
}

.home-product-card__badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 12px;
  background: rgba(7, 21, 34, 0.85);
  backdrop-filter: blur(6px);
  color: var(--color-orange-500);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.home-product-card__body {
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.home-product-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.home-product-card__meta i {
  flex: 1;
  height: 1px;
  background: var(--color-line);
}

.home-product-card__title {
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: var(--color-navy-900);
  margin: 0 0 12px;
}

.home-product-card__desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-steel);
  margin: 0 0 20px;
}

.home-product-card__specs {
  margin: auto 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--color-line);
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 12px;
  color: var(--color-graphite);
}

.home-systems-cta {
  margin-top: 48px;
  text-align: center;
}

/* Home Publications / Library */
.home-publications-cta {
  margin-top: 48px;
  text-align: center;
}

/* Applications (Uses) 3-Column Grid */
.home-use-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.home-use-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s var(--ease-brand), box-shadow 0.25s var(--ease-brand);
}

.home-use-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(7, 21, 34, 0.08);
}

.home-use-card__media {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-navy-900);
}

.home-use-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.home-use-card__content {
  padding: 24px 24px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.home-use-card__tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue-600);
  margin-bottom: 8px;
}

.home-use-card__title {
  font-size: 20px;
  color: var(--color-navy-900);
  margin: 0 0 10px;
  letter-spacing: -0.03em;
}

.home-use-card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-steel);
  margin: 0 0 20px;
}

.home-use-card__meta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-muted);
}

.home-use-card__link {
  font-weight: 700;
  color: var(--color-navy-900);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.home-use-card__link:hover {
  color: var(--color-orange-500);
}

/* Subjects Grid */
.home-subjects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.home-subj-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-navy-900);
  transition: all 0.2s var(--ease-brand);
}

.home-subj-pill:hover {
  background: var(--color-white);
  border-color: var(--color-blue-600);
  transform: translateX(4px);
  box-shadow: 0 8px 20px rgba(7, 21, 34, 0.06);
}

.home-subj-pill__name {
  font-size: 16px;
  font-weight: 700;
}

.home-subj-pill__count {
  font-size: 12px;
  color: var(--color-muted);
}

.home-subj-pill__arrow {
  color: var(--color-orange-500);
  font-size: 16px;
}

@media (max-width: 1040px) {
  .home-products-grid {
    grid-template-columns: 1fr;
  }
  .home-use-cards {
    grid-template-columns: 1fr;
  }
  .home-subjects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .home-subjects-grid {
    grid-template-columns: 1fr;
  }
}