/** ============================================
 * HOME — Nicolo-Pro v3 全新设计
 * 8 模块：Hero / 关于 / 优势 / 产品 / 案例 / 博客 / CTA
 * 配色：深海蓝 #2C404F + 暖金沙 #C4956A + 暖白 #F5F4F0
 * ============================================ */

/* ============================================
   通用区块
   ============================================ */
section { padding: var(--section-padding-y) 0; }
.section-header { text-align: center; margin-bottom: 44px; }
.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.section-desc,
.section-subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto;
}

/* ============================================
   01. Hero · 1920×600 全屏轮播 + 动画
   ============================================ */
.hero {
  position: relative;
  width: 100%;
  height: 600px;
  overflow: hidden;
  background-color: var(--color-dark);
}
.hero .container {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
}

/* ── 文字入场动画 ── */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes heroZoomIn {
  from { transform: scale(1.08); }
  to   { transform: scale(1); }
}

.hero__slide.is-active .hero__label {
  animation: heroFadeUp 0.6s ease both;
}
.hero__slide.is-active .hero__title {
  animation: heroFadeUp 0.6s 0.15s ease both;
}
.hero__slide.is-active .hero__text,
.hero__slide.is-active .hero__sub {
  animation: heroFadeUp 0.6s 0.3s ease both;
}
.hero__slide.is-active .hero__btn-group,
.hero__slide.is-active .hero__actions {
  animation: heroFadeUp 0.6s 0.45s ease both;
}

/* ── 背景图独立层 + Ken Burns 慢缩放 ── */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
}
.hero__slide.is-active .hero__bg {
  animation: heroZoomIn 8s ease forwards;
}
@keyframes heroZoomIn {
  0%   { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.hero__label {
  display: inline-block;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 14px;
  max-width: 600px;
}
.hero__text,
.hero__sub {
  font-size: 17px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 28px;
  max-width: 460px;
  line-height: 1.6;
}
.hero__actions,
.hero__btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── 轮播滑块 ── */
.hero__slide,
.nico-slider__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  z-index: 0;
  transition: opacity 0.5s ease;
  background-size: cover;
  background-position: center;
}
.hero__slide.is-active,
.nico-slider__slide.is-active {
  opacity: 1;
  z-index: 1;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(44,64,79,0.92) 0%, rgba(44,64,79,0.65) 50%, rgba(44,64,79,0.35) 100%);
  z-index: 1;
}
.hero__slide .container,
.nico-slider__slide .container {
  position: relative;
  z-index: 2;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  color: var(--color-white);
}

/* ── 导航箭頭 ── */
.nico-slider__prev,
.nico-slider__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: var(--color-white);
  font-size: 1.25rem;
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.nico-slider__prev:hover,
.nico-slider__next:hover {
  background: rgba(255,255,255,0.25);
}
.nico-slider__prev { left: 24px; }
.nico-slider__next { right: 24px; }

/* ── 底部圆点 ── */
.nico-slider__dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nico-slider__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}
.nico-slider__dot:hover {
  background: rgba(255,255,255,0.55);
}
.nico-slider__dot.is-active {
  background: var(--color-accent);
  width: 28px;
  border-radius: 6px;
}

/* 轮播暂停按钮 */
.nico-slider__pause {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.4);
  background: rgba(0,0,0,0.3);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.nico-slider__pause:hover {
  background: rgba(0,0,0,0.5);
  border-color: rgba(255,255,255,0.6);
}

/* 关于区块 — 关键词内链 + 了解更多链接 */
.about-keyword-link {
  color: var(--color-accent-text, var(--color-accent-hover));
  text-decoration: underline;
}
.about-keyword-link:hover {
  color: var(--color-accent);
}
.about-more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 500;
  margin-top: 4px;
  transition: color var(--transition-fast), gap var(--transition-fast);
}
.about-more-link:hover {
  color: var(--color-accent-hover);
  gap: 12px;
}

/* ============================================
   02. 公司介绍 .about-section
   ============================================ */
.about-section {
  background: var(--color-surface);
  padding: 72px 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
}
.about-media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-gray-100);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 13px;
  position: relative;
}
.about-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}
.about-media a {
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
}
.about-media a:hover img {
  transform: scale(1.03);
}
.about-media__badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
}
.about-text {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition-fast);
}
.about-text:hover { opacity: 0.92; }
.about-text h2 {
  font-family: var(--font-heading);
  font-size: var(--text-h1);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  line-height: 1.25;
}
.about-text p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 8px;
}
.about-stat {
  padding: 14px 8px;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  text-align: center;
}
.about-stat__num {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  line-height: 1;
}
.about-stat__label {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ============================================
   03. 核心优势 .advantages / .home-advantages
   ============================================ */
.home-advantages,
.advantages-section {
  background: var(--color-gray-100);
}
ul.home-advantages__grid,
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: var(--container-max);
  margin: 0 auto;
  list-style: none;
  padding: 0;
}
.home-advantages__card,
.advantage-card {
  padding: 32px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: box-shadow var(--transition-base), transform var(--transition-fast);
}
.home-advantages__card:hover,
.advantage-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.home-advantages__icon,
.advantage-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--color-accent-light);
  border-radius: 50%;
  color: var(--color-accent);
}
.home-advantages__title,
.advantage-card h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  margin-bottom: 8px;
}
.home-advantages__desc,
.advantage-card p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ============================================
   04. 产品展示 .products-showcase
   ============================================ */
.products-showcase {
  background: var(--color-surface);
  padding: var(--section-padding-y) 0;
}
.products-showcase .section-title { text-align: center; }

/* 白底图优化：浅暖色背景让产品浮出 */
.archive-grid,
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: var(--container-max);
  margin: 0 auto;
}
.card,
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover,
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.card__image,
.product-card__img {
  background: var(--color-gray-100);
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}
.card__image img,
.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card__badge,
.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-dark);
  color: var(--color-white);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}
.card__body,
.product-card__body {
  padding: 18px 20px 20px;
}
.card__title,
.product-card__body h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
  margin-bottom: 4px;
}
.card__text,
.product-card__body p {
  font-size: 13px;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__inquiry,
.product-spec {
  display: block;
  font-size: 12px;
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: 8px;
}
.card__link {
  text-decoration: none;
  color: inherit;
}

/* Products tab (首页产品tab切换) */
.products-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}
.products-tab {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: var(--color-gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.products-tab:hover { background-color: var(--color-gray-300); }
.products-tab--active {
  background-color: var(--color-dark);
  color: var(--color-white);
}
.products-panel { display: none; }
.products-panel.is-active { display: block; }

.products-showcase__pause {
  position: absolute;
  top: 12px;
  right: var(--container-padding, 24px);
  background: rgba(0,0,0,0.06);
  border: none;
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.products-showcase__pause:hover {
  background: rgba(0,0,0,0.12);
  color: var(--color-dark);
}

/* ============================================
   05. 案例展示 .cases-showcase
   ============================================ */
.cases-showcase {
  background: var(--color-gray-100);
  padding: var(--section-padding-y) 0;
}
.cases-showcase__grid,
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: var(--container-max);
  margin: 0 auto;
}
/* Cases tab (首页案例tab切换，复用产品tab样式结构) */
.cases-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}
.cases-tab {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: var(--color-gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.cases-tab:hover { background-color: var(--color-gray-300); color: var(--color-text); }
.cases-tab--active {
  background-color: var(--color-dark);
  color: var(--color-white);
}
.cases-panel { display: none; }
.cases-panel.is-active { display: block; }

.cases-showcase__pause {
  position: absolute;
  top: 12px;
  right: var(--container-padding, 24px);
  background: rgba(0,0,0,0.06);
  border: none;
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.cases-showcase__pause:hover {
  background: rgba(0,0,0,0.12);
  color: var(--color-dark);
}

.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-gray-100);
  position: relative;
  cursor: pointer;
  transition: transform var(--transition-base);
}
.case-card:hover { transform: scale(1.02); }
.case-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(44,64,79,0.85) 0%, transparent 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  color: var(--color-white);
}
.case-card__overlay h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 3px;
}
.case-card__overlay span {
  font-size: 11px;
  color: var(--color-accent);
}

/* ============================================
   06. 博客 .blog-section
   ============================================ */
.blog-section {
  background: var(--color-surface);
  padding: var(--section-padding-y) 0;
}

/* 上排：3列带图卡片 */
ul.blog-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  list-style: none;
  padding: 0;
}
.blog-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition-base);
}
.blog-card:hover { box-shadow: var(--shadow-md); }
.blog-card__link {
  text-decoration: none;
  color: inherit;
  display: block;
}
.blog-card__thumb {
  aspect-ratio: 16/10;
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 11px;
  overflow: hidden;
}
.blog-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-card__body {
  padding: 14px 16px 16px;
}
.blog-card__body .blog-meta {
  font-size: 11px;
  color: var(--color-accent);
  margin-bottom: 4px;
}
.blog-card__body h3 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.blog-card__body p {
  font-size: 12px;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 下排：6条纯标题 2列 */
.blog-list-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  max-width: var(--container-max);
  margin: 0 auto 24px;
}
.blog-list-item {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none;
  color: inherit;
}
.blog-list-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.blog-list-item__title {
  font-size: 13px;
  color: var(--color-text);
}
.blog-list-item__date {
  font-size: 11px;
  color: var(--color-text-muted);
  white-space: nowrap;
  margin-left: 12px;
}
.blog-more {
  text-align: center;
  margin-top: 36px;
}
.blog-more a {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 13px;
  font-weight: var(--font-weight-medium);
}

/* ============================================
   07. CTA 横幅 .cta-banner / .home-cta
   ============================================ */
.home-cta,
.cta-banner {
  background-color: var(--color-dark);
  padding: 64px 0;
  text-align: center;
  color: var(--color-white);
}
.home-cta__title,
.cta-banner__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  line-height: var(--line-height-tight);
  margin-bottom: 10px;
}
.home-cta__text,
.cta-banner__text {
  font-size: 15px;
  color: rgba(255,255,255,0.5);
  max-width: 520px;
  margin: 0 auto 28px;
}
.cta-banner__actions,
.home-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.cta-banner .btn--white,
.home-cta .btn--white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  color: var(--color-dark);
  padding: 13px 32px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: background var(--transition-fast);
  border: none;
}
.cta-banner .btn--white:hover {
  background: var(--color-gray-100);
}
.cta-banner .btn--outline,
.home-cta .btn--outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-white);
  padding: 13px 32px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: border var(--transition-fast);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.cta-banner .btn--outline:hover {
  border-color: rgba(255,255,255,0.6);
}

/* ============================================
   响应式（Home）
   ============================================ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid,
  .home-advantages__grid,
  .archive-grid,
  .product-grid,
  .cases-showcase__grid,
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .blog-list-2col { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero { height: 420px; }
  .hero__title { font-size: 26px; }

  .advantages-grid,
  .home-advantages__grid,
  .archive-grid,
  .product-grid,
  .cases-showcase__grid,
  .cases-grid,
  .blog-grid-3,
  .blog-list-2col { grid-template-columns: 1fr; }

  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .section-title { font-size: 22px; }
  section { padding: 48px 0; }
  .about-section { padding: 48px 0; }
  .home-cta,
  .cta-banner { padding: 48px 0; }
}