/* ========================================
   首页专用样式 - Hero与核心区块
   ======================================== */

/* Hero 区 */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #021C0E 0%, #064E3B 50%, #022C22 100%);
  color: var(--color-white);
  overflow: hidden;
  display: flex;
  align-items: center;
}

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

.hero-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  filter: hue-rotate(20deg) saturate(0.6);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(2, 28, 14, 0.85) 0%, rgba(6, 78, 59, 0.7) 50%, rgba(2, 44, 34, 0.85) 100%);
}

/* 网格背景 */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(16, 185, 129, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 185, 129, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 30%, transparent 80%);
  z-index: 1;
}

/* 装饰球体 */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  z-index: 1;
  animation: blob 15s ease-in-out infinite;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: var(--color-primary);
  top: -200px;
  right: -150px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--color-cyan);
  bottom: -100px;
  left: -100px;
  animation-delay: 5s;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--color-emerald);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 10s;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content {
  position: relative;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-bright);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s 0.2s both;
}

.hero-tagline-dot {
  width: 8px;
  height: 8px;
  background: var(--color-bright);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 28px;
  letter-spacing: -0.03em;
  color: var(--color-white);
  animation: fadeInUp 0.8s 0.4s both;
}

.hero-title .highlight {
  position: relative;
  display: inline-block;
  background: linear-gradient(135deg, #6EE7B7 0%, #34D399 50%, #10B981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 0.05em;
  left: 0;
  right: 0;
  height: 0.18em;
  background: linear-gradient(90deg, var(--color-mint), var(--color-cyan));
  opacity: 0.3;
  border-radius: var(--radius-full);
  z-index: -1;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-pale);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 580px;
  animation: fadeInUp 0.8s 0.6s both;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.8s 0.8s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeInUp 0.8s 1s both;
}

.hero-stat {
  position: relative;
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  background: linear-gradient(135deg, #FFFFFF 0%, #6EE7B7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--color-pale);
  line-height: 1.4;
}

/* Hero 右侧 - 倒计时卡片 */
.hero-right {
  position: relative;
  animation: fadeInUp 1s 0.4s both;
}

.countdown-card {
  position: relative;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  padding: 40px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.countdown-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.countdown-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  position: relative;
}

.countdown-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-amber) 0%, #F97316 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
  animation: pulse 2s ease-in-out infinite;
}

.countdown-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-pale);
  line-height: 1.4;
}

.countdown-title strong {
  color: var(--color-white);
  font-size: 1.05rem;
  display: block;
  margin-top: 2px;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
  position: relative;
}

.countdown-item {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 16px 8px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.countdown-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-bright), transparent);
  animation: shimmer 3s linear infinite;
}

.countdown-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}

.countdown-label {
  font-size: 0.7rem;
  color: var(--color-pale);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.countdown-progress {
  margin-bottom: 28px;
  position: relative;
}

.countdown-progress-bar {
  height: 8px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.countdown-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-amber) 0%, var(--color-coral) 100%);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 2s var(--t-base);
  position: relative;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.countdown-progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-pale);
  margin-top: 8px;
}

.countdown-cta {
  position: relative;
  display: block;
  text-align: center;
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--color-amber) 0%, #F97316 100%);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--t-base);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.35);
}

.countdown-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(245, 158, 11, 0.5);
}

/* 服务卡片 */
.services-section {
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg-pale) 100%);
  position: relative;
}

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

.service-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--t-base);
  border: 1px solid var(--color-gray-100);
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 30px 60px rgba(5, 150, 105, 0.15);
  border-color: var(--color-pale);
}

.service-card-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--t-base);
}

.service-card:hover .service-card-image img {
  transform: scale(1.08);
}

.service-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.5) 100%);
}

.service-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  z-index: 2;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

.service-card-icon {
  position: absolute;
  bottom: -24px;
  left: 24px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-emerald) 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(5, 150, 105, 0.35);
  z-index: 2;
}

.service-card-body {
  padding: 40px 24px 24px;
}

.service-card-title {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--color-forest);
}

.service-card-desc {
  color: var(--color-gray-600);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-card-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.service-card-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-gray-700);
}

.service-card-feature::before {
  content: '✓';
  width: 18px;
  height: 18px;
  background: var(--color-bg-soft);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap var(--t-base);
}

.service-card:hover .service-card-link {
  gap: 12px;
}

/* 信任背书 */
.trust-section {
  background: linear-gradient(135deg, var(--color-forest) 0%, var(--color-deep) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.trust-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(8, 145, 178, 0.15) 0%, transparent 50%);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.trust-card {
  padding: 40px 32px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--t-base);
}

.trust-card:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-8px);
  border-color: var(--color-bright);
}

.trust-card-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-emerald) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 12px 32px rgba(5, 150, 105, 0.4);
  position: relative;
  overflow: hidden;
}

.trust-card-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.3) 50%, transparent 60%);
  background-size: 200% 200%;
  animation: shimmer 3s linear infinite;
}

.trust-card h3 {
  color: var(--color-white);
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.trust-card p {
  color: var(--color-pale);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 数据滚动 */
.counter-section {
  background: var(--color-bg-pale);
  position: relative;
}

.counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.counter-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  border: 1px solid var(--color-gray-100);
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}

.counter-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--t-base);
}

.counter-card:hover::before {
  transform: scaleX(1);
}

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

.counter-num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.counter-label {
  color: var(--color-gray-600);
  font-size: 0.95rem;
  font-weight: 500;
}

/* 流程区 */
.process-section {
  background: var(--color-white);
  position: relative;
}

.process-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-mint), var(--color-primary), var(--color-cyan));
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 8px;
}

.process-num {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--color-white);
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
  position: relative;
  transition: all var(--t-base);
  box-shadow: 0 8px 20px rgba(5, 150, 105, 0.2);
}

.process-step:hover .process-num {
  background: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.1);
}

.process-num::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px dashed var(--color-pale);
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--t-base);
}

.process-step:hover .process-num::before {
  opacity: 1;
  animation: rotate360 8s linear infinite;
}

.process-step h4 {
  color: var(--color-forest);
  font-size: 1rem;
  margin-bottom: 8px;
  font-weight: 700;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--color-gray-600);
  line-height: 1.5;
}

/* 案例预览 */
.cases-section {
  background: var(--color-bg-pale);
  position: relative;
}

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

.case-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--t-base);
  box-shadow: var(--shadow-sm);
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.case-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.case-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--t-base);
}

.case-card:hover .case-card-image img {
  transform: scale(1.1);
}

.case-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.6) 100%);
}

.case-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  z-index: 2;
  font-family: var(--font-display);
}

.case-card-emission {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  color: var(--color-white);
  z-index: 2;
}

.case-card-emission-value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.case-card-emission-label {
  font-size: 0.75rem;
  opacity: 0.85;
}

.case-card-body {
  padding: 24px;
}

.case-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--color-forest);
}

.case-card p {
  font-size: 0.9rem;
  color: var(--color-gray-600);
  line-height: 1.6;
  margin-bottom: 16px;
}

.case-card-stats {
  display: flex;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-gray-100);
}

.case-card-stat {
  flex: 1;
  text-align: center;
}

.case-card-stat-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}

.case-card-stat-label {
  font-size: 0.7rem;
  color: var(--color-gray-500);
}

/* CTA 横幅 */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-cyan) 100%);
  color: var(--color-white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  color: var(--color-white);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
}

.cta-banner-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.cta-banner .btn {
  background: var(--color-white);
  color: var(--color-primary);
}

.cta-banner .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

.cta-banner .btn.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.cta-banner .btn.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

/* 浮动装饰元素 */
.float-element {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.float-element-1 {
  top: 10%;
  left: 5%;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-mint), var(--color-emerald));
  border-radius: 18px;
  transform: rotate(15deg);
  animation: float 6s ease-in-out infinite;
  opacity: 0.15;
}

.float-element-2 {
  top: 60%;
  right: 8%;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-primary));
  border-radius: 30px;
  transform: rotate(-10deg);
  animation: float 8s ease-in-out infinite 2s;
  opacity: 0.1;
}

.float-element-3 {
  bottom: 15%;
  left: 10%;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-amber), var(--color-coral));
  border-radius: 24px;
  transform: rotate(25deg);
  animation: float 7s ease-in-out infinite 1s;
  opacity: 0.12;
}