/* ============================================
   解决方案页样式 — Template B
   DRM / 水印 / 版权追溯 / 网络安全
   ============================================ */

/* --- Solution Hero (深色 + 渐变边框) --- */
.solution-hero {
  position: relative;
  padding: 160px 0 96px;
  background: var(--color-black);
  color: var(--color-white);
  overflow: hidden;
}

.solution-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 50% at 50% 40%, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
}

.solution-hero .container { position: relative; }

.solution-hero h1 {
  color: var(--color-white);
  margin-bottom: 20px;
  max-width: 720px;
}

.solution-hero .hero-desc {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-grey-light);
  max-width: 600px;
  margin-bottom: 32px;
}

.solution-hero .hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* --- 问题/方案叙述 (白色，图文交替) --- */
.narrative-section {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.narrative-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}

.narrative-item:last-child { margin-bottom: 0; }
.narrative-item.reverse { direction: rtl; }
.narrative-item.reverse > * { direction: ltr; }

.narrative-content h2 {
  color: var(--color-dark);
  margin-bottom: 16px;
}

.narrative-content p {
  color: var(--color-grey);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.narrative-visual {
  border-radius: var(--radius-md);
  background: var(--color-grey-lighter);
  border: 1px solid rgba(0,0,0,0.06);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.narrative-visual .placeholder-content {
  text-align: center;
  color: var(--color-grey-light);
}

.narrative-visual .placeholder-content svg {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  opacity: 0.3;
}

.narrative-visual .placeholder-content span { font-size: 0.875rem; }

/* --- 工作流程 (浅灰) --- */
.workflow-section {
  padding: var(--section-padding) 0;
  background: var(--color-grey-lighter);
}

.workflow-section .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.workflow-step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-blue);
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.workflow-step h3 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.workflow-step p {
  color: var(--color-grey);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* --- 应用场景 (白色) --- */
.scenarios-section {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.scenarios-section .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scenario-card {
  padding: 32px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.scenario-card:hover {
  border-color: rgba(0, 106, 237, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.scenario-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  color: var(--color-blue);
}

.scenario-icon svg { width: 100%; height: 100%; }

.scenario-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.scenario-card p {
  color: var(--color-grey);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* --- 技术架构 (深色) --- */
.architecture-section {
  padding: var(--section-padding) 0;
  background: var(--color-black);
  color: var(--color-white);
}

.architecture-section .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.architecture-section .section-header h2 { color: var(--color-white); }
.architecture-section .section-header p { color: var(--color-grey-light); }

.architecture-diagram {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  text-align: center;
}

.architecture-diagram .placeholder-content {
  color: var(--color-grey-light);
}

.architecture-diagram .placeholder-content svg {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  opacity: 0.3;
}

/* --- FAQ (白色) --- */
.faq-section {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.faq-section .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-dark);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
}

.faq-question .faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-grey);
  transition: transform 0.2s ease;
}

.faq-item.open .faq-question .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer { max-height: 500px; }

.faq-answer p {
  padding: 0 0 20px;
  color: var(--color-grey);
  font-size: 1rem;
  line-height: 1.7;
}

/* ============================================
   DRM 专属页面样式
   ============================================ */

/* --- DRM Hero --- */
.drm-hero {
  position: relative;
  padding: 180px 0 120px;
  background: var(--color-black);
  color: var(--color-white);
  overflow: hidden;
  text-align: center;
}

/* 微弱噪点 */
.drm-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
}

/* 单一方向性光斑 */
.drm-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 45% 50% at 65% 30%, rgba(37, 99, 235, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 30% 40% at 25% 80%, rgba(14, 165, 233, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.drm-hero .container { position: relative; z-index: 1; }

.drm-hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-blue-light);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.drm-hero h1 {
  color: var(--color-white);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  max-width: 700px;
  margin: 0 auto 28px;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.drm-hero .hero-desc {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--color-grey-light);
  max-width: 640px;
  margin: 0 auto 40px;
}

.drm-hero .hero-desc strong {
  color: var(--color-white);
  font-weight: 600;
}

.drm-hero .hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* --- DRM 协议卡片区 --- */
.drm-protocols {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.drm-protocols .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.drm-protocols .section-header p {
  color: var(--color-grey);
  font-size: 1.0625rem;
  line-height: 1.7;
  max-width: 700px;
  margin: 16px auto 0;
}

.protocol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.protocol-card {
  position: relative;
  padding: 32px 24px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  overflow: hidden;
}

.protocol-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--color-blue);
  opacity: 0;
  transition: opacity var(--transition);
}

.protocol-card:hover {
  border-color: rgba(0, 106, 237, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  transform: translateY(-3px);
}

.protocol-card:hover::before { opacity: 1; }

.protocol-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-grey-lighter);
  margin-bottom: 20px;
  color: var(--color-blue);
}

.protocol-logo svg { width: 28px; height: 28px; }

.protocol-card h3 {
  font-size: 1.125rem;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.protocol-card .protocol-coverage {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-blue);
  margin-bottom: 12px;
}

.protocol-card p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  line-height: 1.6;
}

/* --- 核心优势 (三列布局) --- */
.drm-advantages {
  padding: var(--section-padding) 0;
  background: var(--color-black);
  color: var(--color-white);
}

.drm-advantages .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.drm-advantages .section-header h2 { color: var(--color-white); }
.drm-advantages .section-header p { color: var(--color-grey-light); max-width: 600px; margin: 16px auto 0; }

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.advantage-card {
  padding: 40px 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.advantage-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.03);
}

.advantage-number {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-blue-light);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.advantage-icon {
  width: 44px;
  height: 44px;
  color: var(--color-blue-light);
  margin-bottom: 20px;
}

.advantage-icon svg { width: 100%; height: 100%; }

.advantage-card h3 {
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: 12px;
}

.advantage-card > p {
  font-size: 1rem;
  color: var(--color-grey-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.advantage-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.advantage-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

.advantage-features li svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
  color: var(--color-blue-light);
  margin-top: 2px;
}

/* --- 应用场景 (横条卡片) --- */
.drm-usecases {
  padding: var(--section-padding) 0;
  background: var(--color-grey-lighter);
}

.drm-usecases .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.usecase-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.usecase-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.usecase-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(0, 106, 237, 0.06);
  color: var(--color-blue);
}

.usecase-icon svg { width: 24px; height: 24px; }

.usecase-card h3 {
  font-size: 1.0625rem;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.usecase-card p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  line-height: 1.6;
}

/* --- 业务价值 (大卡片, 编号+场景) --- */
.drm-value {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.drm-value .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.value-scenarios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.value-scenario {
  display: block;
  padding: 36px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.value-scenario:hover {
  border-color: rgba(37, 99, 235, 0.12);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.scenario-body h3 {
  font-size: 1.25rem;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.scenario-body .scenario-problem,
.scenario-body .scenario-solution,
.scenario-body .scenario-result {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

.scenario-body .scenario-problem {
  color: var(--color-grey);
}

.scenario-body .scenario-solution {
  color: var(--color-grey);
}

.scenario-body .scenario-result {
  font-weight: 600;
  color: var(--color-dark);
  padding: 12px 16px;
  background: rgba(0, 106, 237, 0.04);
  border-left: 3px solid var(--color-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 0;
}

/* ============================================
   水印专属页面样式
   ============================================ */

/* --- Keyframe Animations --- */
@keyframes wmPipelineDot {
  0% { left: -6px; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { left: calc(100% + 6px); opacity: 0; }
}

/* --- Watermark Hero --- */
.wm-hero {
  position: relative;
  padding: 180px 0 120px;
  background: var(--color-black);
  color: var(--color-white);
  overflow: hidden;
  text-align: center;
}

/* 噪点纹理 */
.wm-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
}

/* 方向性光斑 */
.wm-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 45% 50% at 30% 35%, rgba(14, 165, 233, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 35% 45% at 75% 70%, rgba(37, 99, 235, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.wm-hero .container { position: relative; z-index: 1; }

.wm-hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-blue-light);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.wm-hero h1 {
  color: var(--color-white);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  max-width: 700px;
  margin: 0 auto 28px;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.wm-hero .hero-desc {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--color-grey-light);
  max-width: 640px;
  margin: 0 auto 40px;
}

.wm-hero .hero-desc strong {
  color: var(--color-white);
  font-weight: 600;
}

.wm-hero .hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* --- 解决方案 + 技术组件 --- */
.wm-solution {
  padding: var(--section-padding) 0;
  background: var(--color-white);
  position: relative;
}

.wm-solution .section-intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.wm-solution .section-intro p {
  color: var(--color-grey);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-top: 16px;
}

.wm-tech-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.wm-tech-card {
  display: flex;
  flex-direction: column;
  padding: 36px 28px 32px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

/* 顶部渐变条 */
.wm-tech-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  transition: opacity var(--transition);
}

.wm-tech-card:nth-child(1)::before { background: var(--color-blue); opacity: 0.6; }
.wm-tech-card:nth-child(2)::before { background: #0EA5E9; opacity: 0.6; }
.wm-tech-card:nth-child(3)::before { background: var(--color-accent); opacity: 0.6; }

.wm-tech-card:hover {
  border-color: transparent;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.wm-tech-card:hover::before { opacity: 1; height: 3px; }

.wm-tech-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 20px;
  transition: transform var(--transition);
}

.wm-tech-card:hover .wm-tech-icon { transform: scale(1.08); }

.wm-tech-icon svg { width: 26px; height: 26px; }

.wm-tech-icon--ai {
  background: rgba(0, 106, 237, 0.08);
  color: var(--color-blue);
}

.wm-tech-icon--invisible {
  background: rgba(14, 165, 233, 0.08);
  color: #0EA5E9;
}

.wm-tech-icon--monitor {
  background: rgba(16, 185, 129, 0.08);
  color: #10B981;
}

.wm-tech-body { flex: 1; display: flex; flex-direction: column; }

.wm-tech-body h3 {
  font-size: 1.125rem;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.wm-tech-body .tech-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-grey-light);
  letter-spacing: 0.03em;
  margin-bottom: 14px;
}

.wm-tech-body p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.wm-tech-body .tech-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
}

.wm-tech-body .tech-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 20px;
  background: var(--color-grey-lighter);
  color: var(--color-grey);
  letter-spacing: 0.01em;
}

/* --- 溯源流程管线 --- */
.wm-pipeline {
  padding: var(--section-padding) 0;
  background: var(--color-grey-lighter);
  position: relative;
}

.wm-pipeline .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.wm-pipeline .section-header p {
  color: var(--color-grey);
  font-size: 1.0625rem;
  max-width: 600px;
  margin: 16px auto 0;
}

.pipeline-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}

.pipeline-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 8px;
}

.pipeline-node {
  padding: 28px 14px;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pipeline-node:hover {
  border-color: rgba(0, 106, 237, 0.3);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}

.pipeline-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  background: var(--color-blue);
  color: var(--color-white);
  transition: transform var(--transition);
}

.pipeline-node:hover .pipeline-icon { transform: scale(1.1); }

.pipeline-icon svg { width: 22px; height: 22px; }

.pipeline-node h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.pipeline-node p {
  font-size: 0.75rem;
  color: var(--color-grey);
  line-height: 1.5;
}

/* 箭头连接器 — 动画小圆点 */
.pipeline-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  position: relative;
  overflow: hidden;
}

.pipeline-arrow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  height: 1px;
  background: rgba(37, 99, 235, 0.2);
  transform: translateY(-50%);
}

.pipeline-arrow::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-blue);
  box-shadow: 0 0 6px rgba(37, 99, 235, 0.4);
  animation: wmPipelineDot 2.5s ease-in-out infinite;
}

.pipeline-arrow:nth-of-type(2)::after { animation-delay: 0.3s; }
.pipeline-arrow:nth-of-type(3)::after { animation-delay: 0.6s; }
.pipeline-arrow:nth-of-type(4)::after { animation-delay: 0.9s; }

.pipeline-arrow svg { display: none; }

/* --- 核心优势 --- */
.wm-advantages {
  padding: var(--section-padding) 0;
  background: var(--color-black);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

/* 噪点纹理 */
.wm-advantages::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
}

/* 方向性光斑 */
.wm-advantages::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 50% at 80% 20%, rgba(37, 99, 235, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 30% 40% at 15% 80%, rgba(14, 165, 233, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.wm-advantages .container { position: relative; z-index: 1; }

.wm-advantages .section-header {
  text-align: center;
  margin-bottom: 72px;
}

.wm-advantages .section-header h2 { color: var(--color-white); }
.wm-advantages .section-header p {
  color: var(--color-grey-light);
  max-width: 600px;
  margin: 16px auto 0;
  font-size: 1.0625rem;
}

.wm-adv-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 920px;
  margin: 0 auto;
}

.wm-adv-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  align-items: start;
  transition: all var(--transition);
}

.wm-adv-item:first-child { padding-top: 0; }
.wm-adv-item:last-child { border-bottom: none; padding-bottom: 0; }

.wm-adv-icon {
  width: 48px;
  height: 48px;
  color: var(--color-blue-light);
  flex-shrink: 0;
  transition: color var(--transition);
}

.wm-adv-icon svg { width: 100%; height: 100%; }

.wm-adv-item:hover .wm-adv-icon {
  color: var(--color-white);
}

.wm-adv-content h3 {
  font-size: 1.3125rem;
  color: var(--color-white);
  margin-bottom: 14px;
  line-height: 1.3;
}

.wm-adv-content p {
  font-size: 1rem;
  color: rgba(163, 175, 186, 0.85);
  line-height: 1.85;
}

/* --- 应用场景 --- */
.wm-usecases {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.wm-usecases .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.wm-case-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 880px;
  margin: 0 auto;
}

.wm-case-card {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 左侧 accent 条 */
.wm-case-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--color-blue);
  opacity: 0.15;
  transition: all var(--transition);
}

.wm-case-card:hover {
  border-color: rgba(0, 106, 237, 0.12);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
  transform: translateX(4px);
}

.wm-case-card:hover::before { opacity: 1; width: 4px; }

.wm-case-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-grey-lighter);
  color: var(--color-dark);
  flex-shrink: 0;
  transition: all var(--transition);
}

.wm-case-card:hover .wm-case-icon {
  background: rgba(0, 106, 237, 0.08);
  color: var(--color-blue);
}

.wm-case-icon svg { width: 24px; height: 24px; }

.wm-case-body h3 {
  font-size: 1.0625rem;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.wm-case-body p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  line-height: 1.7;
}

/* --- 响应式 (水印页) --- */
@media (max-width: 1024px) {
  .wm-tech-cards { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .pipeline-flow { flex-direction: column; align-items: center; max-width: 360px; margin: 0 auto; }
  .pipeline-arrow { width: 100%; height: 36px; }
  .pipeline-arrow::before {
    top: 0; bottom: 0; left: 50%;
    width: 2px; height: 100%;
    transform: translateX(-50%);
  }
  .pipeline-arrow::after {
    left: 50% !important;
    transform: translateX(-50%);
    animation: none;
  }
  .pipeline-step { padding: 0; width: 100%; }
  .wm-adv-item { grid-template-columns: 40px 1fr; gap: 20px; }
  .wm-adv-icon { width: 40px; height: 40px; }
}

@media (max-width: 768px) {
  .wm-hero { padding: 140px 0 80px; }
  .wm-hero h1 { font-size: 2rem; }
  .wm-tech-cards { max-width: 100%; }
  .wm-adv-item { grid-template-columns: 1fr; text-align: center; }
  .wm-adv-icon { margin: 0 auto; }
  .wm-case-card { grid-template-columns: 1fr; text-align: center; }
  .wm-case-card:hover { transform: translateX(0) translateY(-2px); }
  .wm-case-icon { margin: 0 auto; }
}

/* --- 响应式 (通用) --- */
@media (max-width: 1024px) {
  .narrative-item { grid-template-columns: 1fr; gap: 32px; }
  .narrative-item.reverse { direction: ltr; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .protocol-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: 1fr; }
  .value-scenarios { grid-template-columns: 1fr; max-width: 600px; }
  .value-scenario { padding: 28px; }
}

@media (max-width: 768px) {
  .solution-hero { padding: 120px 0 64px; }
  .solution-hero h1 { font-size: 2rem; }
  .drm-hero { padding: 140px 0 80px; }
  .drm-hero h1 { font-size: 2rem; }
  .scenario-grid { grid-template-columns: 1fr; }
  .workflow-steps { grid-template-columns: 1fr; gap: 40px; }
  .protocol-grid { grid-template-columns: 1fr; }
  .value-scenarios { grid-template-columns: 1fr; }
  .value-scenario { padding: 24px; }
}








/* ============================================
   版权追溯专属页面样式
   ============================================ */

/* --- Copyright Tracking Hero --- */
.cr-hero {
  position: relative;
  padding: 180px 0 120px;
  background: var(--color-black);
  color: var(--color-white);
  overflow: hidden;
  text-align: center;
}

/* 噪点纹理 */
.cr-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
}

/* 方向性光斑 */
.cr-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 55% at 50% 40%, rgba(16, 185, 129, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 45% at 20% 70%, rgba(37, 99, 235, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.cr-hero .container { position: relative; z-index: 1; }

.cr-hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-blue-light);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.cr-hero h1 {
  color: var(--color-white);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  max-width: 720px;
  margin: 0 auto 28px;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.cr-hero .hero-desc {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--color-grey-light);
  max-width: 660px;
  margin: 0 auto 40px;
}

.cr-hero .hero-desc strong {
  color: var(--color-white);
  font-weight: 600;
}

.cr-hero .hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* --- CR 解决方案 + 技术组件 --- */
.cr-solution {
  padding: var(--section-padding) 0;
  background: var(--color-white);
  position: relative;
}

.cr-solution .section-intro {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 64px;
}

.cr-solution .section-intro p {
  color: var(--color-grey);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-top: 16px;
}

.cr-tech-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cr-tech-card {
  display: flex;
  flex-direction: column;
  padding: 36px 28px 32px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

/* 顶部渐变条 */
.cr-tech-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  transition: opacity var(--transition);
}

.cr-tech-card:nth-child(1)::before { background: #10B981; opacity: 0.6; }
.cr-tech-card:nth-child(2)::before { background: var(--color-blue); opacity: 0.6; }
.cr-tech-card:nth-child(3)::before { background: #F59E0B; opacity: 0.6; }

.cr-tech-card:hover {
  border-color: transparent;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.cr-tech-card:hover::before { opacity: 1; height: 3px; }

.cr-tech-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 20px;
  transition: transform var(--transition);
}

.cr-tech-card:hover .cr-tech-icon { transform: scale(1.08); }

.cr-tech-icon svg { width: 26px; height: 26px; }

.cr-tech-icon--blockchain {
  background: rgba(16, 185, 129, 0.08);
  color: #10B981;
}

.cr-tech-icon--monitor {
  background: rgba(0, 106, 237, 0.08);
  color: var(--color-blue);
}

.cr-tech-icon--legal {
  background: rgba(245, 158, 11, 0.08);
  color: #F59E0B;
}

.cr-tech-body { flex: 1; display: flex; flex-direction: column; }

.cr-tech-body h3 {
  font-size: 1.125rem;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.cr-tech-body .tech-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-grey-light);
  letter-spacing: 0.03em;
  margin-bottom: 14px;
}

.cr-tech-body p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.cr-tech-body .tech-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
}

.cr-tech-body .tech-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: 20px;
  background: var(--color-grey-lighter);
  color: var(--color-grey);
  letter-spacing: 0.01em;
}

/* --- 区块链版权登记详解 --- */
.cr-blockchain {
  padding: var(--section-padding) 0;
  background: var(--color-grey-lighter);
}

.cr-blockchain .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.cr-blockchain .section-header p {
  color: var(--color-grey);
  font-size: 1.0625rem;
  line-height: 1.7;
  max-width: 700px;
  margin: 16px auto 0;
}

.blockchain-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blockchain-feature {
  padding: 36px 32px;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.blockchain-feature:hover {
  border-color: rgba(16, 185, 129, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  transform: translateY(-3px);
}

.blockchain-feature .feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.08);
  color: #10B981;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.blockchain-feature .feature-icon svg { width: 24px; height: 24px; }

.blockchain-feature .feature-content h3 {
  font-size: 1.125rem;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.blockchain-feature .feature-content p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  line-height: 1.7;
}

/* --- 维权流程管线 --- */
.cr-pipeline {
  padding: var(--section-padding) 0;
  background: var(--color-white);
  position: relative;
}

.cr-pipeline .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.cr-pipeline .section-header p {
  color: var(--color-grey);
  font-size: 1.0625rem;
  max-width: 600px;
  margin: 16px auto 0;
}

/* --- 维权途径与法律服务 --- */
.cr-enforcement {
  padding: var(--section-padding) 0;
  background: var(--color-black);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

/* 噪点纹理 */
.cr-enforcement::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
}

.cr-enforcement .container { position: relative; z-index: 1; }

.cr-enforcement .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.cr-enforcement .section-header h2 { color: var(--color-white); }
.cr-enforcement .section-header p {
  color: var(--color-grey-light);
  max-width: 640px;
  margin: 16px auto 0;
  font-size: 1.0625rem;
}

.enforcement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.enforcement-card {
  padding: 32px 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.enforcement-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  opacity: 0;
  transition: opacity var(--transition);
}

.enforcement-card:nth-child(1)::before { background: var(--color-blue); }
.enforcement-card:nth-child(2)::before { background: #0EA5E9; }
.enforcement-card:nth-child(3)::before { background: #10B981; }

.enforcement-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.03);
}

.enforcement-card:hover::before { opacity: 1; }

.enforcement-level {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 20px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.enforcement-card:nth-child(1) .enforcement-level {
  background: rgba(37, 99, 235, 0.15);
  color: var(--color-blue-light);
}

.enforcement-card:nth-child(2) .enforcement-level {
  background: rgba(14, 165, 233, 0.15);
  color: #0EA5E9;
}

.enforcement-card:nth-child(3) .enforcement-level {
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
}

.enforcement-icon {
  width: 44px;
  height: 44px;
  color: var(--color-blue-light);
  margin-bottom: 20px;
}

.enforcement-icon svg { width: 100%; height: 100%; }

.enforcement-card h3 {
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: 12px;
}

.enforcement-card > p {
  font-size: 0.9375rem;
  color: var(--color-grey-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.enforcement-metrics {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
}

.metric-item .metric-label {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}

.metric-item .metric-value {
  color: var(--color-white);
  font-weight: 600;
  text-align: right;
}

.enforcement-note {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.enforcement-note svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-blue-light);
  margin-top: 2px;
}

.enforcement-note p {
  flex: 1;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.enforcement-note strong {
  color: var(--color-white);
  font-weight: 600;
}

/* --- CR 应用场景 --- */
.cr-usecases {
  padding: var(--section-padding) 0;
  background: var(--color-grey-lighter);
}

.cr-usecases .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.cr-case-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cr-case-card {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 24px;
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 左侧 accent 条 */
.cr-case-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--color-blue);
  opacity: 0.15;
  transition: all var(--transition);
}

.cr-case-card:hover {
  border-color: rgba(0, 106, 237, 0.12);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  transform: translateX(4px);
}

.cr-case-card:hover::before { opacity: 1; width: 4px; }

.cr-case-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-grey-lighter);
  color: var(--color-dark);
  flex-shrink: 0;
  transition: all var(--transition);
}

.cr-case-card:hover .cr-case-icon {
  background: rgba(0, 106, 237, 0.08);
  color: var(--color-blue);
}

.cr-case-icon svg { width: 24px; height: 24px; }

.cr-case-body h3 {
  font-size: 1.0625rem;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.cr-case-body p {
  font-size: 0.9375rem;
  color: var(--color-grey);
  line-height: 1.7;
}

/* --- CR 业务价值 --- */
.cr-value {
  padding: var(--section-padding) 0;
  background: var(--color-white);
}

.cr-value .section-header {
  text-align: center;
  margin-bottom: 64px;
}

/* --- 响应式 (版权追溯页) --- */
@media (max-width: 1024px) {
  .cr-tech-cards { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .blockchain-features { grid-template-columns: 1fr; max-width: 580px; margin: 0 auto; }
  .enforcement-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .cr-case-list { grid-template-columns: 1fr; max-width: 640px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .cr-hero { padding: 140px 0 80px; }
  .cr-hero h1 { font-size: 2rem; }
  .cr-tech-cards { max-width: 100%; }
  .cr-case-card { grid-template-columns: 1fr; text-align: center; }
  .cr-case-card:hover { transform: translateX(0) translateY(-2px); }
  .cr-case-icon { margin: 0 auto; }
}


/* ============================================
   网络安全专属页面样式
   ============================================ */

/* --- Security Hero --- */
.sec-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: #000000;
  color: #ffffff;
  overflow: hidden;
  padding: 160px 0 120px;
}

/* 网格背景 */
.sec-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 174, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 174, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.4;
}

/* 渐变光效 */
.sec-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 50%, rgba(0, 174, 255, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 30%, rgba(255, 31, 31, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

/* 边角装饰 */
.sec-hero-corner {
  position: absolute;
  width: 40px;
  height: 40px;
  border: 2px solid rgba(0, 174, 255, 0.4);
}

.sec-hero-corner-tl {
  top: 80px;
  left: 40px;
  border-right: none;
  border-bottom: none;
}

.sec-hero-corner-tr {
  top: 80px;
  right: 40px;
  border-left: none;
  border-bottom: none;
}

.sec-hero-corner-bl {
  bottom: 80px;
  left: 40px;
  border-right: none;
  border-top: none;
}

.sec-hero-corner-br {
  bottom: 80px;
  right: 40px;
  border-left: none;
  border-top: none;
}

.sec-hero .container {
  position: relative;
  z-index: 2;
  max-width: 1000px;
}

.sec-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0, 174, 255, 0.1);
  border: 1px solid rgba(0, 174, 255, 0.3);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #00AEFF;
  margin-bottom: 32px;
}

.sec-hero-badge svg {
  width: 16px;
  height: 16px;
}

.sec-hero h1 {
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  color: #ffffff;
}

.sec-hero-desc {
  font-size: 1.125rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  max-width: 720px;
  margin-bottom: 40px;
}

.sec-hero-desc strong {
  color: #00AEFF;
  font-weight: 700;
}

.sec-hero-stats {
  display: flex;
  gap: 48px;
  margin-bottom: 48px;
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
  flex: 1;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 900;
  color: #00AEFF;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-sec-primary {
  padding: 16px 32px;
  background: #00AEFF;
  color: #000000;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid #00AEFF;
}

.btn-sec-primary:hover {
  background: transparent;
  color: #00AEFF;
  box-shadow: 0 0 20px rgba(0, 174, 255, 0.3);
}

.btn-sec-outline {
  padding: 16px 32px;
  background: transparent;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-sec-outline:hover {
  border-color: #00AEFF;
  color: #00AEFF;
  background: rgba(0, 174, 255, 0.05);
}

/* --- Threat Landscape --- */
.sec-threat {
  padding: 120px 0;
  background: #0A0A0A;
  color: #ffffff;
}

.threat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.threat-card {
  padding: 36px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 4px solid;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.threat-critical {
  border-left-color: #FF1F1F;
}

.threat-high {
  border-left-color: #FF6B00;
}

.threat-medium {
  border-left-color: #FFB800;
}

.threat-emerging {
  border-left-color: #00AEFF;
}

.threat-card:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateX(8px);
  border-color: rgba(255, 255, 255, 0.15);
}

.threat-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.threat-critical .threat-icon {
  color: #FF1F1F;
}

.threat-high .threat-icon {
  color: #FF6B00;
}

.threat-medium .threat-icon {
  color: #FFB800;
}

.threat-emerging .threat-icon {
  color: #00AEFF;
}

.threat-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.threat-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
}

/* --- Our Approach --- */
.sec-approach {
  padding: 120px 0;
  background: #ffffff;
}

.approach-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
}

.pillar-card {
  padding: 40px 32px;
  background: #ffffff;
  border: 2px solid #E5E7EB;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #00AEFF 0%, #0EA5E9 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pillar-card:hover {
  border-color: #00AEFF;
  box-shadow: 0 12px 48px rgba(0, 174, 255, 0.12);
  transform: translateY(-8px);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-number {
  font-size: 3rem;
  font-weight: 900;
  color: #E5E7EB;
  line-height: 1;
  margin-bottom: 16px;
}

.pillar-card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: #0B1120;
  margin-bottom: 12px;
}

.pillar-card > p {
  font-size: 1rem;
  line-height: 1.7;
  color: #64748B;
  margin-bottom: 24px;
}

.pillar-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.pillar-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.6;
}

.pillar-features li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: #00AEFF;
  margin-top: 2px;
}

/* --- Defense Layers --- */
.sec-defense {
  padding: 120px 0;
  background: #0A0A0A;
  color: #ffffff;
  position: relative;
}

.sec-defense::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 174, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 174, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
  pointer-events: none;
}

.sec-defense .container {
  position: relative;
  z-index: 1;
}

.defense-layers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 64px;
}

.defense-layer {
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(0, 174, 255, 0.2);
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
}

.defense-layer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 174, 255, 0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 4px;
}

.defense-layer:hover {
  border-color: #00AEFF;
  box-shadow: 0 0 40px rgba(0, 174, 255, 0.2);
  transform: translateY(-4px);
}

.defense-layer:hover::before {
  opacity: 1;
}

.layer-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 174, 255, 0.15);
  color: #00AEFF;
  font-size: 0.6875rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  border-radius: 3px;
  margin-bottom: 20px;
}

.layer-icon {
  width: 36px;
  height: 36px;
  color: #00AEFF;
  margin-bottom: 20px;
}

.defense-layer h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.defense-layer p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
}

/* --- Use Cases --- */
.sec-cases {
  padding: 120px 0;
  background: #F8FAFC;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 32px;
  margin-top: 64px;
}

.case-card {
  padding: 40px 36px;
  background: #ffffff;
  border: 2px solid #E5E7EB;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.case-card:hover {
  border-color: #00AEFF;
  box-shadow: 0 16px 64px rgba(0, 174, 255, 0.1);
  transform: translateY(-4px);
}

.case-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.case-industry,
.case-scale {
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
}

.case-industry {
  background: rgba(0, 174, 255, 0.1);
  color: #00AEFF;
}

.case-scale {
  background: #F1F5F9;
  color: #475569;
}

.case-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0B1120;
  margin-bottom: 20px;
  line-height: 1.4;
}

.case-card p {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #64748B;
  margin-bottom: 16px;
}

.case-challenge strong,
.case-solution strong {
  color: #0B1120;
  font-weight: 600;
}

.case-result {
  padding: 16px;
  background: rgba(0, 174, 255, 0.05);
  border-left: 3px solid #00AEFF;
  border-radius: 0 4px 4px 0;
  font-weight: 600;
  color: #0B1120 !important;
  margin-bottom: 0 !important;
}


/* --- Responsive --- */
@media (max-width: 1024px) {
  .sec-hero-stats {
    gap: 32px;
  }

  .threat-grid {
    grid-template-columns: 1fr;
  }

  .approach-pillars {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .defense-layers {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-grid {
    grid-template-columns: 1fr;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  .sec-hero {
    padding: 120px 0 80px;
    min-height: auto;
  }

  .sec-hero h1 {
    font-size: 2.5rem;
  }

  .sec-hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .sec-hero-corner {
    width: 24px;
    height: 24px;
  }

  .defense-layers {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-sec-primary,
  .btn-sec-outline {
    width: 100%;
    text-align: center;
  }
}