/* ==========================================================================
   页面区块样式
   ========================================================================== */

/* --------------------------------------------------------------------------
   首页 Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--header-h) + 3rem);
  padding-bottom: 3rem;
  overflow: hidden;
  isolation: isolate;
}

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

.hero-bg canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 70% 60% at 30% 40%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 40%, #000, transparent 72%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}

.hero-glow-a {
  width: 46vw;
  height: 46vw;
  top: -12vw;
  left: -8vw;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.5), transparent 65%);
  animation: floatGlow 16s var(--ease) infinite alternate;
}

.hero-glow-b {
  width: 40vw;
  height: 40vw;
  bottom: -14vw;
  right: -6vw;
  background: radial-gradient(circle, rgba(var(--data-rgb), 0.32), transparent 65%);
  animation: floatGlow 21s var(--ease) infinite alternate-reverse;
}

@keyframes floatGlow {
  to {
    transform: translate3d(4vw, 3vw, 0) scale(1.12);
  }
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.hero-sub {
  margin-top: 1.5rem;
  max-width: 56ch;
  color: var(--text-2);
  font-size: 1.06rem;
}

.hero-actions {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-stats {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.4vw, 2.25rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.hero-stats li {
  display: grid;
  gap: 0.35rem;
  position: relative;
}

.hero-stats li + li {
  padding-left: clamp(1rem, 2.4vw, 2.25rem);
  border-left: 1px solid var(--line);
}

.hero-stats b {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 3.4vw, 2.95rem);
  font-weight: 600;
  color: var(--head);
  letter-spacing: -0.03em;
  line-height: 1;
  display: block;
}

.hero-stats .stat-label {
  font-size: clamp(0.98rem, 1.15vw, 1.08rem);
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.01em;
}

.hero-stats .stat-note {
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.5;
}

/* Hero 右侧面板 */
.hero-panel {
  position: relative;
  display: grid;
  gap: 1rem;
}

.panel-card {
  background: rgba(14, 18, 25, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg), var(--glass);
}

.panel-card-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.dot-row {
  display: inline-flex;
  gap: 5px;
}

.dot-row i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-strong);
}

.dot-row i:first-child {
  background: var(--accent);
}

.panel-code {
  margin: 0;
  padding: 1.15rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.85;
  color: var(--text-2);
}

.panel-code .c-key {
  color: var(--text-3);
}

.panel-code .c-ok {
  color: var(--data);
}

.panel-mini {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.25rem;
}

.panel-mini .mini-label {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.panel-mini b {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--head);
  margin-left: auto;
}

.mini-chip {
  font-size: var(--fs-xs);
  padding: 0.2rem 0.6rem;
  border-radius: var(--r-pill);
  background: var(--data-soft);
  color: var(--data);
}

.mini-spark {
  margin-left: auto;
  width: 68px;
  height: 24px;
  background: linear-gradient(90deg, transparent, var(--accent) 70%, transparent);
  clip-path: polygon(0 70%, 18% 45%, 36% 62%, 56% 22%, 76% 48%, 100% 18%, 100% 100%, 0 100%);
  opacity: 0.85;
}

/* ---- 首屏右侧：业务价值面板（单一整合面板） ---- */
.biz-panel {
  padding: clamp(1.4rem, 2.2vw, 1.9rem);
  display: grid;
  gap: 1.35rem;
}

.biz-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--line);
}

.biz-panel-label {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--head);
  letter-spacing: -0.01em;
}

.biz-panel-client {
  margin-top: 0.3rem;
  font-size: var(--fs-sm);
  color: var(--text-3);
}

.biz-panel-live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex: none;
  padding: 0.28rem 0.7rem;
  border-radius: var(--r-pill);
  background: var(--data-soft);
  color: var(--data);
  font-size: var(--fs-xs);
  white-space: nowrap;
}

.biz-panel-live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: bizPulse 2.4s var(--ease) infinite;
}

@keyframes bizPulse {
  50% {
    opacity: 0.25;
  }
}

.biz-metrics {
  display: grid;
  gap: 1.15rem;
}

.biz-metric-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.biz-metric-name {
  font-size: 0.98rem;
  color: var(--text);
  font-weight: 500;
}

.biz-metric-value {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
  font-family: var(--font-display);
  font-size: 1.62rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

.biz-metric-value.is-up {
  color: var(--data);
}

.biz-metric-value.is-down {
  color: var(--accent-hi);
}

.biz-arrow {
  font-size: 0.82em;
  transform: translateY(-1px);
}

.biz-bar {
  margin-top: 0.6rem;
  height: 6px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.biz-bar-fill {
  display: block;
  height: 100%;
  width: var(--w, 50%);
  border-radius: inherit;
  transform-origin: left center;
  animation: bizGrow 1.1s var(--ease) both;
  animation-delay: calc(var(--i, 0) * 0.12s + 0.15s);
}

.biz-bar-fill.is-up {
  background: linear-gradient(90deg, rgba(var(--data-rgb), 0.35), var(--data));
}

.biz-bar-fill.is-down {
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.32), var(--accent));
}

@keyframes bizGrow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.biz-metric-note {
  margin-top: 0.5rem;
  font-size: var(--fs-xs);
  color: var(--text-3);
  line-height: 1.6;
}

.biz-panel-foot {
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--text-3);
  line-height: 1.65;
}

@media (prefers-reduced-motion: reduce) {
  .biz-bar-fill,
  .biz-panel-live i {
    animation: none;
  }
}

.hero-ticker {
  margin-top: auto;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-3);
  opacity: 0.7;
  flex-wrap: wrap;
}

.hero-ticker i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-panel {
    max-width: 560px;
  }
}

@media (max-width: 640px) {
  .hero-stats {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
  }
  .hero-stats li + li {
    padding-left: 0;
    padding-top: 1.25rem;
    border-left: none;
    border-top: 1px solid var(--line);
  }
  .hero-stats b {
    font-size: 2.25rem;
  }
}

/* --------------------------------------------------------------------------
   内页 Hero
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3rem, 7vw, 6rem));
  padding-bottom: clamp(3rem, 7vw, 6rem);
  overflow: hidden;
  isolation: isolate;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(90% 70% at 15% 0%, rgba(var(--accent-rgb), 0.16), transparent 60%),
    radial-gradient(60% 60% at 95% 20%, rgba(var(--data-rgb), 0.1), transparent 60%);
}

.page-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 60% 70% at 20% 30%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 20% 30%, #000, transparent 70%);
}

.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.page-hero.is-plain .page-hero-inner {
  grid-template-columns: 1fr;
  max-width: 900px;
}

.page-hero-title {
  font-size: var(--fs-h1);
  letter-spacing: -0.03em;
}

.page-hero-sub {
  margin-top: 1.35rem;
  max-width: 58ch;
  color: var(--text-2);
  font-size: 1.04rem;
}

.hero-points {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--fs-sm);
  color: var(--text-2);
}

.hero-points .icon {
  width: 15px;
  height: 15px;
  color: var(--accent);
}

.page-hero-actions {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.page-hero-visual {
  position: relative;
}

.visual-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
  padding: clamp(1rem, 2vw, 1.75rem);
  box-shadow: var(--shadow-lg);
}

.visual-frame img {
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
}

.visual-ring {
  position: absolute;
  inset: -1px;
  border-radius: var(--r-xl);
  background: conic-gradient(from 200deg, transparent, var(--accent-line), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 1px;
  pointer-events: none;
  opacity: 0.7;
}

@media (max-width: 1080px) {
  .page-hero-inner {
    grid-template-columns: 1fr;
  }
  .page-hero-visual {
    max-width: 620px;
  }
}

/* --------------------------------------------------------------------------
   两条方案线
   -------------------------------------------------------------------------- */
.line-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.line-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.line-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-lg);
}

.line-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--ink-850);
}

.line-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.line-card:hover .line-media img {
  transform: scale(1.05);
}

.line-body {
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.line-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.line-body h3 {
  font-size: 1.6rem;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.line-body h3 span {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

.line-desc {
  color: var(--text-2);
  font-size: 0.98rem;
}

.line-points {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.35rem;
}

.line-points li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: var(--fs-sm);
  color: var(--text-2);
}

.line-points .icon {
  width: 15px;
  height: 15px;
  color: var(--data);
}

.line-body .link-arrow {
  margin-top: 0.75rem;
}

@media (max-width: 900px) {
  .line-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   行业表格（首页）
   -------------------------------------------------------------------------- */
.industry-table {
  border-top: 1px solid var(--line);
}

.industry-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.industry-row:hover {
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.05), transparent 45%);
}

.industry-row-media {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-850);
}

.industry-row-media img {
  width: 100%;
  height: auto;
  transition: transform 0.7s var(--ease);
}

.industry-row:hover .industry-row-media img {
  transform: scale(1.06);
}

.industry-kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.6rem;
}

.industry-row-main h3,
.industry-card-body h3 {
  font-size: 1.6rem;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.industry-row-main h3 span,
.industry-card-body h3 span {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-3);
}

.industry-blurb {
  margin-top: 0.6rem;
  color: var(--text-2);
  font-size: 0.96rem;
}

.industry-row-links {
  display: grid;
  gap: 0.75rem;
}

.industry-row-links a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.25rem 1rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}

.industry-row-links a:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
  transform: translateX(4px);
}

.industry-row-links b {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--head);
}

.industry-row-links span {
  grid-column: 1;
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.industry-row-links .icon {
  grid-row: 1;
  grid-column: 2;
  color: var(--accent);
  width: 16px;
  height: 16px;
}

@media (max-width: 1080px) {
  .industry-row {
    grid-template-columns: 160px minmax(0, 1fr);
  }
  .industry-row-links {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .industry-row {
    grid-template-columns: 1fr;
  }
  .industry-row-media {
    max-width: 260px;
  }
}

/* --------------------------------------------------------------------------
   行业卡片网格
   -------------------------------------------------------------------------- */
.industry-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.25rem, 2.5vw, 1.75rem);
}

.industry-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.industry-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-line);
  box-shadow: var(--shadow-lg);
}

.industry-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink-850);
  border-bottom: 1px solid var(--line);
}

.industry-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.industry-card:hover .industry-card-media img {
  transform: scale(1.06);
}

.industry-card-body {
  padding: 1.5rem;
  display: grid;
  gap: 0.7rem;
  align-content: start;
  flex: 1;
}

.industry-card-body h3 {
  font-size: 1.35rem;
}

.industry-extra {
  font-size: var(--fs-xs);
  color: var(--text-3);
  font-family: var(--font-mono);
}

.industry-card-body .link-arrow {
  margin-top: 0.4rem;
}

/* --------------------------------------------------------------------------
   Bento（技术基座预览）
   -------------------------------------------------------------------------- */
.bento {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.bento-card {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: clamp(1.4rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
  background: var(--surface-2);
}

.bento-lg {
  grid-column: span 2;
  grid-row: span 2;
  justify-content: space-between;
}

.bento-wide {
  grid-column: span 4;
}

.bento-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.bento-card h3 {
  font-size: 1.28rem;
}

.bento-lg h3 {
  font-size: 1.9rem;
}

.bento-desc {
  color: var(--text-2);
  font-size: 0.95rem;
}

.bento-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.bento-chips li {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--text-2);
}

@media (max-width: 980px) {
  .bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bento-lg,
  .bento-wide {
    grid-column: span 2;
    grid-row: auto;
  }
}

@media (max-width: 620px) {
  .bento {
    grid-template-columns: 1fr;
  }
  .bento-card,
  .bento-lg,
  .bento-wide {
    grid-column: span 1;
  }
}

/* --------------------------------------------------------------------------
   交付方法论
   -------------------------------------------------------------------------- */
.method-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.method-item {
  background: var(--bg);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: grid;
  gap: 0.7rem;
  align-content: start;
  transition: background var(--dur) var(--ease);
}

.method-item:hover {
  background: var(--surface);
}

.method-n {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.method-item h3 {
  font-size: 1.15rem;
}

.method-item p {
  color: var(--text-2);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .method-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .method-list {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   为什么选我们
   -------------------------------------------------------------------------- */
.why-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

/* 右侧数据面板清理后：单栏排布，条目改双列铺满 */
.why-solo {
  grid-template-columns: minmax(0, 1fr);
}

.why-list {
  display: grid;
  gap: 1.5rem;
}

.why-list li {
  display: grid;
  gap: 0.4rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.why-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.why-list-grid {
  margin-top: 0.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(2rem, 5vw, 4.5rem);
  row-gap: 1.75rem;
}

.why-list-grid li:nth-last-child(2) {
  border-bottom: none;
  padding-bottom: 0;
}

@media (max-width: 760px) {
  .why-list-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .why-list-grid li:nth-last-child(2) {
    border-bottom: 1px solid var(--line);
    padding-bottom: 1.5rem;
  }
}

.why-list h4 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--head);
}

.why-list .icon {
  width: 17px;
  height: 17px;
  color: var(--accent);
}

.why-list p {
  color: var(--text-2);
  font-size: 0.95rem;
  padding-left: 1.85rem;
}

.why-stats {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.why-stat {
  background: var(--surface);
  padding: 1.5rem;
  display: grid;
  gap: 0.2rem;
}

.why-stat b {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--head);
  letter-spacing: -0.02em;
}

.why-stat span {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

@media (max-width: 980px) {
  .why-inner {
    grid-template-columns: 1fr;
  }
  .why-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   客户案例
   -------------------------------------------------------------------------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(1.25rem, 2.5vw, 1.75rem);
}

.case-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: clamp(1.5rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
}

.case-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.case-head img {
  height: 30px;
  width: auto;
  opacity: 0.85;
}

.case-industry {
  font-size: var(--fs-xs);
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--text-3);
}

.case-line {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--head);
}

.case-challenge {
  color: var(--text-2);
  font-size: 0.92rem;
}

.case-results {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.case-results li {
  display: grid;
  gap: 0.1rem;
  padding-right: 1rem;
}

.case-results b {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--accent);
}

.case-results span {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

/* 案例详情页卡片 */
.case-list {
  display: grid;
  gap: 1.25rem;
}

.case-detail {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  display: grid;
  gap: 1.5rem;
  transition: border-color var(--dur) var(--ease);
}

.case-detail:hover {
  border-color: var(--line-strong);
}

.case-detail[hidden] {
  display: none;
}

.case-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.case-detail-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.case-detail-brand img {
  height: 34px;
  width: auto;
}

.case-detail-brand h3 {
  font-size: 1.15rem;
}

.case-detail-brand p {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.case-badge {
  font-size: var(--fs-xs);
  padding: 0.3rem 0.8rem;
  border-radius: var(--r-pill);
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-line);
}

.case-detail-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.case-detail-body h4 {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.case-detail-body p {
  color: var(--text-2);
  font-size: 0.95rem;
}

.case-quote {
  padding: 1.25rem 1.5rem;
  border-left: 2px solid var(--accent);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.case-quote p {
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-display);
}

.case-quote cite {
  display: block;
  margin-top: 0.6rem;
  font-style: normal;
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.case-empty {
  padding: 3rem;
  text-align: center;
  color: var(--text-3);
  border: 1px dashed var(--line);
  border-radius: var(--r-lg);
}

.case-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.filter-chip {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--text-2);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}

.filter-chip:hover {
  border-color: var(--line-strong);
  color: var(--head);
}

.filter-chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

@media (max-width: 720px) {
  .case-detail-body {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   痛点
   -------------------------------------------------------------------------- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.pain-card {
  background: var(--bg);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: grid;
  gap: 0.65rem;
  align-content: start;
  transition: background var(--dur) var(--ease);
}

.pain-card:hover {
  background: var(--surface);
}

.pain-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.12em;
}

.pain-card h3 {
  font-size: 1.1rem;
}

.pain-card p {
  color: var(--text-2);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   行业场景
   -------------------------------------------------------------------------- */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.scenario-card {
  display: flex;
  flex-direction: column;
  padding: clamp(1.4rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 2px solid transparent;
  border-radius: var(--r-lg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.scenario-card:hover {
  transform: translateY(-4px);
  border-top-color: var(--accent);
  background: var(--surface-2);
}

.scenario-head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 1.1rem;
}

.scenario-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.scenario-head h3 {
  font-size: 1.16rem;
}

.scenario-body {
  display: grid;
  gap: 0.9rem;
  flex: 1;
}

.scenario-body dt {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.3rem;
}

.scenario-body dd {
  color: var(--text-2);
  font-size: 0.93rem;
}

.scenario-body > div:last-child dd {
  color: var(--text);
}

.scenario-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.35rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   方案架构
   -------------------------------------------------------------------------- */
.arch-stack {
  display: grid;
  gap: 0.75rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.arch-layer {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
  padding: clamp(1.1rem, 2vw, 1.6rem) clamp(1.25rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.arch-layer:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
}

.arch-layer-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.arch-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-line);
}

.arch-layer-head h3 {
  font-size: 1.05rem;
}

.arch-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
}

.arch-items li {
  font-size: var(--fs-sm);
  color: var(--text-2);
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.02);
}

@media (max-width: 820px) {
  .arch-layer {
    grid-template-columns: 1fr;
  }
}

.delivery-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}

.delivery-step {
  display: grid;
  gap: 0.5rem;
  align-content: start;
  position: relative;
}

.delivery-n {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--line-strong);
  letter-spacing: -0.02em;
}

.delivery-step h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--head);
}

.delivery-step p {
  color: var(--text-2);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   优势
   -------------------------------------------------------------------------- */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.advantage-card {
  display: grid;
  gap: 0.85rem;
  align-content: start;
  padding: clamp(1.5rem, 2.5vw, 2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.advantage-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
}

.advantage-metric {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.advantage-metric b {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.advantage-metric span {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.advantage-card h3 {
  font-size: 1.1rem;
}

.advantage-card p {
  color: var(--text-2);
  font-size: 0.93rem;
}

/* --------------------------------------------------------------------------
   指标条
   -------------------------------------------------------------------------- */
.section-metrics {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.metric-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.metric {
  background: var(--bg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  text-align: center;
  transition: background var(--dur) var(--ease);
}

.metric:hover {
  background: var(--surface);
}

.metric-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 600;
  color: var(--head);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.metric-value em {
  font-style: normal;
  font-size: 0.5em;
  color: var(--accent);
  margin-left: 0.15em;
}

.metric-label {
  margin-top: 0.4rem;
  font-size: var(--fs-sm);
  color: var(--text-3);
}

/* --------------------------------------------------------------------------
   客户佐证
   -------------------------------------------------------------------------- */
.proof-card {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(1.75rem, 4vw, 3.25rem);
  background: linear-gradient(140deg, rgba(var(--accent-rgb), 0.09), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--accent-line);
  border-radius: var(--r-xl);
}

.proof-quote {
  position: relative;
}

.quote-mark {
  width: 34px;
  height: 34px;
  color: var(--accent);
  opacity: 0.5;
  margin-bottom: 1rem;
}

.proof-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.45;
  color: var(--head);
  letter-spacing: -0.01em;
}

.proof-author {
  margin-top: 1rem;
  font-size: var(--fs-sm);
  color: var(--text-3);
}

.proof-results {
  display: grid;
  gap: 1px;
  background: var(--accent-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.proof-results li {
  background: rgba(7, 9, 14, 0.6);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.proof-results b {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--accent);
}

.proof-results span {
  font-size: var(--fs-sm);
  color: var(--text-2);
}

@media (max-width: 820px) {
  .proof-card {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   切换行业
   -------------------------------------------------------------------------- */
.switch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
}

.switch-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  font-family: var(--font-display);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease);
}

.switch-item:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
  transform: translateX(4px);
}

.switch-item .icon {
  color: var(--accent);
  width: 16px;
  height: 16px;
}

.switch-other {
  margin-top: 1.5rem;
}

/* --------------------------------------------------------------------------
   方案线能力对照
   -------------------------------------------------------------------------- */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.compare-col {
  background: var(--bg);
  padding: clamp(1.4rem, 2.5vw, 2rem);
  display: grid;
  gap: 1rem;
  align-content: start;
  transition: background var(--dur) var(--ease);
}

.compare-col:hover {
  background: var(--surface);
}

.compare-col h3 {
  font-size: 1.2rem;
}

.compare-col h3 a:hover {
  color: var(--accent);
}

.compare-col ul {
  display: grid;
  gap: 0.6rem;
}

.compare-col li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.92rem;
  color: var(--text-2);
}

.compare-col li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

/* --------------------------------------------------------------------------
   CTA 区块
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
  overflow: hidden;
  border-top: 1px solid var(--line);
  background: var(--ink-850);
}

.cta-band-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 120% at 12% 50%, rgba(var(--accent-rgb), 0.2), transparent 62%),
    radial-gradient(50% 100% at 90% 40%, rgba(var(--data-rgb), 0.12), transparent 60%);
  pointer-events: none;
}

.cta-band-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.cta-band-copy h2 {
  font-size: var(--fs-h2);
  max-width: 22ch;
}

.cta-band-copy p {
  margin-top: 1rem;
  color: var(--text-2);
  max-width: 52ch;
}

.cta-band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

@media (max-width: 900px) {
  .cta-band-inner {
    grid-template-columns: 1fr;
  }
}