/**
 * 六纲科技官网 — 首页专属样式
 * 全宽网格布局 + 全断点自适应
 */

/* —— Hero 区域 —— */
.r6-hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: calc(5rem + env(safe-area-inset-top, 0px));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  background: var(--r6-gradient-hero);
  overflow: hidden;
}

.r6-hero-glow {
  position: absolute;
  width: min(600px, 80vw);
  height: min(600px, 80vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(158, 158, 158, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.r6-hero-glow--1 {
  top: -20%;
  right: -5%;
}

.r6-hero-glow--2 {
  bottom: -25%;
  left: -10%;
  width: min(500px, 70vw);
  height: min(500px, 70vw);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
}

.r6-hero-lines {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(90deg, transparent 49.5%, rgba(255, 255, 255, 0.04) 49.5%, rgba(255, 255, 255, 0.04) 50.5%, transparent 50.5%);
  background-size: clamp(60px, 8vw, 120px) 100%;
  mask-image: linear-gradient(180deg, transparent, black 15%, black 85%, transparent);
}

.r6-hero .r6-container {
  width: 100%;
}

.r6-hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.r6-hero-title {
  font-family: var(--r6-font-display);
  font-size: clamp(2rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: clamp(1rem, 2vw, 1.5rem);
  word-break: break-word;
}

.r6-hero-subtitle {
  font-size: clamp(0.9375rem, 1.8vw, 1.25rem);
  line-height: 1.75;
  color: var(--r6-gray-300);
  max-width: none;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.r6-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.r6-hero-actions .r6-btn-primary,
.r6-hero-actions .r6-btn-outline {
  min-height: 48px;
  padding: 0.75rem clamp(1.25rem, 3vw, 2rem);
  font-size: clamp(0.875rem, 1.5vw, 0.9375rem);
}

.r6-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  width: 100%;
}

.r6-hero-stat {
  position: relative;
  padding-left: 1rem;
  min-width: 0;
}

.r6-hero-stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 3px;
  background: var(--r6-gradient-logo);
  border-radius: 2px;
}

.r6-hero-stat-value {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--r6-white);
  line-height: 1.1;
}

.r6-hero-stat-label {
  font-size: clamp(0.75rem, 1.2vw, 0.8125rem);
  color: var(--r6-gray-500);
  margin-top: 0.375rem;
  line-height: 1.4;
}

.r6-hero-visual {
  position: relative;
  width: 100%;
}

.r6-hero-card {
  position: relative;
  width: 100%;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--r6-radius-xl);
  background: var(--r6-glass-bg);
  border: 1px solid var(--r6-border-subtle);
  box-shadow: var(--r6-shadow-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.r6-hero-card-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.5rem, 1.5vw, 0.75rem);
  width: 100%;
}

.r6-hero-card-block {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r6-radius-md);
  overflow: hidden;
  isolation: isolate;
  background: var(--r6-gray-900);
  transition: box-shadow var(--r6-transition-base), transform var(--r6-transition-base);
}

/* 图片：默认黑白，悬停当前格恢复彩色 */
.r6-hero-card-block img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.08) brightness(0.92);
  transform: scale(1);
  transition:
    filter var(--r6-transition-base),
    transform var(--r6-transition-slow);
}

/* 底部渐变遮罩，保证文字可读并突出文案 */
.r6-hero-card-block::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(0, 0, 0, 0.25) 40%,
    rgba(0, 0, 0, 0.78) 100%
  );
  pointer-events: none;
  transition: opacity var(--r6-transition-base);
}

/* 悬停时叠加品牌灰阶渐变光晕 */
.r6-hero-card-block::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  background: linear-gradient(
    135deg,
    rgba(189, 189, 189, 0.18) 0%,
    rgba(115, 115, 115, 0.08) 45%,
    rgba(64, 64, 64, 0.28) 100%
  );
  pointer-events: none;
  transition: opacity var(--r6-transition-base);
}

.r6-hero-card-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: clamp(0.625rem, 2vw, 1rem) clamp(0.5rem, 1.5vw, 0.75rem);
  font-size: clamp(0.8125rem, 1.6vw, 1.0625rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--r6-white);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.75);
  pointer-events: none;
}

/* 单项悬停：仅当前格放大、上色，不影响其他格 */
@media (hover: hover) {
  .r6-hero-card-block:hover {
    z-index: 4;
    transform: scale(1.03);
    box-shadow: var(--r6-shadow-lg), var(--r6-shadow-glow);
  }

  .r6-hero-card-block:hover img {
    filter: grayscale(0%) contrast(1) brightness(1);
    transform: scale(1.1);
  }

  .r6-hero-card-block:hover::before {
    opacity: 0.92;
  }

  .r6-hero-card-block:hover::after {
    opacity: 1;
  }
}

/* 触控设备：点击时短暂恢复彩色 */
@media (hover: none) {
  .r6-hero-card-block:active img {
    filter: grayscale(0%) contrast(1) brightness(1);
    transform: scale(1.06);
  }

  .r6-hero-card-block:active::after {
    opacity: 1;
  }
}

@media (max-width: 575.98px) {
  .r6-hero-card-inner {
    gap: 0.375rem;
  }

  .r6-hero-card-label {
    font-size: clamp(0.75rem, 3.2vw, 0.9375rem);
    padding: 0.5rem 0.375rem;
    line-height: 1.35;
  }
}

.r6-hero-card-caption {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--r6-border-subtle);
  font-size: clamp(0.8125rem, 1.5vw, 0.875rem);
  color: var(--r6-gray-400);
  line-height: 1.6;
}

/* —— 核心价值 —— */
.r6-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
  width: 100%;
}

.r6-value-card {
  position: relative;
  height: 100%;
  padding: clamp(1.5rem, 3vw, 2rem);
  border-radius: var(--r6-radius-lg);
  background: var(--r6-white);
  border: 1px solid var(--r6-border-dark);
  box-shadow: var(--r6-shadow-sm);
  transition: transform var(--r6-transition-base), box-shadow var(--r6-transition-base);
  overflow: hidden;
}

.r6-value-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--r6-gradient-accent);
  opacity: 0;
  transition: opacity var(--r6-transition-base);
}

.r6-value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--r6-shadow-md);
}

.r6-value-card:hover::before {
  opacity: 1;
}

.r6-value-icon {
  width: clamp(40px, 5vw, 48px);
  height: clamp(40px, 5vw, 48px);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border-radius: var(--r6-radius-md);
  background: var(--r6-gray-900);
  color: var(--r6-white);
  font-size: 1.125rem;
  font-weight: 700;
}

.r6-value-title {
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--r6-gray-900);
}

.r6-value-desc {
  font-size: clamp(0.875rem, 1.5vw, 0.9375rem);
  line-height: 1.7;
  color: var(--r6-text-dark-secondary);
  margin: 0;
}

/* —— 服务能力 —— */
.r6-services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  width: 100%;
  background: var(--r6-border-subtle);
  border-radius: var(--r6-radius-lg);
  overflow: hidden;
  border: 1px solid var(--r6-border-subtle);
}

.r6-service-item {
  height: 100%;
  padding: clamp(1.5rem, 3vw, 2rem) clamp(1rem, 2vw, 1.5rem);
  background: var(--r6-gray-900);
  transition: background var(--r6-transition-base);
}

.r6-service-item:hover {
  background: var(--r6-gray-850);
}

.r6-service-num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--r6-gray-500);
  margin-bottom: 1rem;
}

.r6-service-title {
  font-size: clamp(1rem, 1.8vw, 1.0625rem);
  font-weight: 700;
  color: var(--r6-white);
  margin-bottom: 0.75rem;
}

.r6-service-desc {
  font-size: clamp(0.8125rem, 1.4vw, 0.875rem);
  line-height: 1.65;
  color: var(--r6-gray-400);
  margin: 0;
}

/* —— 业务板块 —— */
.r6-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
  width: 100%;
}

.r6-capability-card {
  position: relative;
  height: 100%;
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.25rem, 2.5vw, 2rem);
  border-radius: var(--r6-radius-lg);
  background: var(--r6-gray-900);
  border: 1px solid var(--r6-border-subtle);
  overflow: hidden;
  transition: border-color var(--r6-transition-base), transform var(--r6-transition-base);
}

.r6-capability-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.4));
  pointer-events: none;
}

.r6-capability-card:hover {
  border-color: var(--r6-gray-500);
  transform: translateY(-6px);
}

.r6-capability-tag {
  display: inline-block;
  margin-bottom: 1.25rem;
}

.r6-capability-title {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  font-weight: 700;
  color: var(--r6-white);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.r6-capability-desc {
  font-size: clamp(0.875rem, 1.5vw, 0.9375rem);
  line-height: 1.7;
  color: var(--r6-gray-400);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.r6-capability-list {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
  z-index: 1;
}

.r6-capability-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: clamp(0.8125rem, 1.3vw, 0.875rem);
  color: var(--r6-gray-300);
}

.r6-capability-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--r6-gray-500);
}

.r6-capability-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 1.5rem;
  min-height: 44px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--r6-gray-300);
  text-decoration: none;
  position: relative;
  z-index: 1;
  transition: color var(--r6-transition-fast);
}

.r6-capability-link:hover {
  color: var(--r6-white);
}

/* —— 行业标签：全宽自适应网格 —— */
.r6-industries-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 9rem), 1fr));
  gap: clamp(0.5rem, 1.5vw, 0.75rem);
  width: 100%;
}

.r6-industry-tag {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.625rem 1rem;
  font-size: clamp(0.8125rem, 1.4vw, 0.875rem);
  font-weight: 500;
  text-align: center;
  color: var(--r6-gray-700);
  background: var(--r6-white);
  border: 1px solid var(--r6-border-dark);
  border-radius: var(--r6-radius-pill);
  box-shadow: var(--r6-shadow-sm);
  transition: transform var(--r6-transition-fast), box-shadow var(--r6-transition-fast);
}

.r6-industry-tag:hover {
  transform: translateY(-2px);
  box-shadow: var(--r6-shadow-md);
}

/* —— CTA 区域 —— */
.r6-cta {
  position: relative;
  width: 100%;
  padding: clamp(3.5rem, 7vw, 5rem) 0;
  overflow: hidden;
}

.r6-cta-bg {
  position: absolute;
  inset: 0;
  background: var(--r6-gradient-dark);
}

.r6-cta-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 120%, rgba(158, 158, 158, 0.15), transparent);
}

.r6-cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  width: 100%;
}

.r6-cta-text {
  flex: 1 1 280px;
  min-width: 0;
}

.r6-cta-action {
  flex: 0 0 auto;
}

.r6-cta-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--r6-white);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.r6-cta-desc {
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  color: var(--r6-gray-400);
  max-width: none;
  margin: 0;
  line-height: 1.7;
}

/* —— 响应式断点 —— */

/* 平板：服务能力 2 列 */
@media (max-width: 991.98px) {
  .r6-hero-visual {
    margin-top: clamp(2rem, 5vw, 3rem);
  }

  .r6-values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .r6-capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .r6-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .r6-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* 手机：单列堆叠 */
@media (max-width: 767.98px) {
  .r6-hero-stats {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .r6-values-grid,
  .r6-capabilities-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .r6-services-grid {
    grid-template-columns: 1fr;
  }

  .r6-hero-actions {
    flex-direction: column;
  }

  .r6-hero-actions .r6-btn-primary,
  .r6-hero-actions .r6-btn-outline {
    width: 100%;
  }

  .r6-cta-action {
    width: 100%;
  }

  .r6-cta-action .r6-btn-primary {
    width: 100%;
  }
}

/* 超宽屏：服务能力保持 4 列铺满 */
@media (min-width: 1600px) {
  .r6-industries-wrap {
    grid-template-columns: repeat(8, 1fr);
  }
}