/* ============================================================
   大者豪木 · 完整版
   白底 #fff / 深棕 #2d2418 / 原木棕 #9c7a54
   ============================================================ */

.rz-wrap *, .rz-wrap *::before, .rz-wrap *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.rz-wrap {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  color: #2d2418;
  background: #fff;
  overflow-x: hidden;
  line-height: 1.8;
}
.rz-wrap img { display: block; max-width: 100%; }
.rz-wrap a { text-decoration: none; color: inherit; }
.rz-wrap ul { list-style: none; }

.rz-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 768px) { .rz-container { padding: 0 20px; } }

/* 滚动显现 */
.rz-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.16,1,0.3,1), transform 1s cubic-bezier(0.16,1,0.3,1);
}
.rz-reveal.rz-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   1. 轮播大图
   ============================================================ */
.rz-slider {
  position: relative;
  width: 100%;
  height: 85vh;
  min-height: 500px;
  overflow: hidden;
  margin-top: 120px;
}
.rz-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}
.rz-slide.active { opacity: 1; }
.rz-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}
.rz-slide-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.2) 100%);
}
.rz-slide-text {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: #fff;
  z-index: 2;
  width: 90%;
  max-width: 800px;
}
.rz-slide-text .tag {
  font-size: 12px;
  letter-spacing: 5px;
  color: #c49a6c;
  margin-bottom: 16px;
  display: block;
}
.rz-slide-text h2 {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 300;
  letter-spacing: 4px;
  line-height: 1.3;
}
.rz-slider-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.rz-slider-dots span {
  width: 30px;
  height: 2px;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.3s;
}
.rz-slider-dots span.active { background: #c49a6c; }

/* ============================================================
   2. 公司介绍（无图，大气排版）
   ============================================================ */
.rz-intro {
  padding: 140px 0;
  background: #fff;
  text-align: center;
}
.rz-intro .label {
  font-size: 12px;
  letter-spacing: 6px;
  color: #9c7a54;
  margin-bottom: 30px;
  display: block;
}
.rz-intro h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 3px;
  color: #2d2418;
  max-width: 800px;
  margin: 0 auto 40px;
}
.rz-intro h2 em {
  font-style: normal;
  color: #9c7a54;
}
.rz-intro .divider {
  width: 50px;
  height: 1px;
  background: #9c7a54;
  margin: 0 auto 40px;
}
.rz-intro p {
  font-size: 15px;
  line-height: 2.2;
  color: #666;
  max-width: 680px;
  margin: 0 auto 16px;
}
.rz-learn-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border: 1px solid #2d2418;
  color: #2d2418;
  font-size: 13px;
  letter-spacing: 3px;
  border-radius: 40px;
  transition: all 0.3s;
}
.rz-learn-btn span {
  font-size: 14px;
  transition: transform 0.3s;
}
.rz-learn-btn:hover {
  background: #2d2418;
  color: #fff;
}
.rz-learn-btn:hover span {
  transform: translate(2px, -2px);
}

/* ============================================================
   3. 材质板块（大气横向排列）
   ============================================================ */
.rz-materials {
  padding: 120px 0;
  background: #faf8f5;
}
.rz-mat-head {
  text-align: center;
  margin-bottom: 60px;
}
.rz-mat-head .label {
  font-size: 12px;
  letter-spacing: 6px;
  color: #9c7a54;
  margin-bottom: 16px;
  display: block;
}
.rz-mat-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  letter-spacing: 3px;
}
.rz-mat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.rz-mat-item {
  position: relative;
  height: 300px;
  overflow: hidden;
  cursor: pointer;
}
.rz-mat-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease, filter 0.8s;
  filter: brightness(0.8);
}
.rz-mat-item:hover img {
  transform: scale(1.08);
  filter: brightness(0.6);
}
.rz-mat-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 50px 16px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
}
.rz-mat-info h4 {
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  letter-spacing: 2px;
}
.rz-mat-info p {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}
@media (max-width: 900px) {
  .rz-materials { padding: 60px 0; }
  .rz-mat-grid { grid-template-columns: repeat(2, 1fr); }
  .rz-mat-item { height: 200px; }
}

/* ============================================================
   4. 特效大图海报（滚动触发动画）
   ============================================================ */
.rz-poster {
  position: relative;
  height: 75vh;
  min-height: 450px;
  overflow: hidden;
  background: #2d2418;
}
.rz-poster-video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
  object-position: center center;
  opacity: 0;
  transition: opacity 2s ease-out;
}
.rz-poster.rz-visible .rz-poster-video {
  opacity: 1;
}
.rz-poster-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(45,36,24,0.5) 0%, rgba(45,36,24,0.75) 100%);
}
.rz-poster-text {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  padding: 0 20px;
}
.rz-poster-text .label {
  font-size: 12px;
  letter-spacing: 5px;
  color: #c49a6c;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s 0.3s, transform 1s 0.3s;
}
.rz-poster-text h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 200;
  letter-spacing: 4px;
  line-height: 1.4;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.2s 0.6s, transform 1.2s 0.6s;
}
.rz-poster-text p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 2px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s 0.9s, transform 1s 0.9s;
}
.rz-poster.rz-visible .rz-poster-text .label,
.rz-poster.rz-visible .rz-poster-text h2,
.rz-poster.rz-visible .rz-poster-text p {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   5. 产品
   ============================================================ */
.rz-products {
  padding: 100px 0;
}
.rz-prod-head {
  text-align: center;
  margin-bottom: 50px;
}
.rz-prod-head .label {
  font-size: 12px;
  letter-spacing: 6px;
  color: #9c7a54;
  margin-bottom: 12px;
  display: block;
}
.rz-prod-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  letter-spacing: 3px;
}
.rz-prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rz-prod-card {
  text-align: center;
  padding: 40px 24px;
  background: #faf8f5;
  transition: all 0.3s;
}
.rz-prod-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}
.rz-prod-card h3 {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 10px;
}
.rz-prod-card p {
  font-size: 13px;
  color: #999;
  line-height: 1.8;
}
@media (max-width: 900px) {
  .rz-products { padding: 60px 0; }
  .rz-prod-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   6. 案例（横向5个）
   ============================================================ */
.rz-cases {
  padding: 120px 0;
  background: #faf8f5;
}
.rz-cases-head {
  text-align: center;
  margin-bottom: 60px;
}
.rz-cases-head .label {
  font-size: 12px;
  letter-spacing: 6px;
  color: #9c7a54;
  margin-bottom: 16px;
  display: block;
}
.rz-cases-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  letter-spacing: 3px;
}
.rz-case-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.rz-case-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.rz-case-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.rz-case-card:hover img { transform: scale(1.05); }
.rz-case-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 50px 16px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
}
.rz-case-info .tag {
  font-size: 11px;
  letter-spacing: 2px;
  color: #c49a6c;
  margin-bottom: 6px;
  display: block;
}
.rz-case-info h3 {
  font-size: 14px;
  font-weight: 400;
  color: #fff;
  letter-spacing: 1px;
  line-height: 1.4;
}
@media (max-width: 900px) {
  .rz-cases { padding: 60px 0; }
  .rz-case-grid { grid-template-columns: repeat(2, 1fr); }
  .rz-case-card img { height: 220px; }
}

/* ============================================================
   7. 资讯（两列各5条）
   ============================================================ */
.rz-news {
  padding: 80px 0;
  background: #fff;
}
.rz-news-head {
  text-align: center;
  margin-bottom: 50px;
}
.rz-news-head .label {
  font-size: 12px;
  letter-spacing: 6px;
  color: #9c7a54;
  margin-bottom: 8px;
  display: block;
}
.rz-news-head h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 300;
  letter-spacing: 2px;
}
.rz-news-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.rz-news-col {
  border-top: 1px solid #e5e0d8;
}
.rz-news-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid #e5e0d8;
  transition: all 0.3s;
}
.rz-news-item:hover { padding-left: 8px; }
.rz-news-item:hover .rz-news-title { color: #9c7a54; }
.rz-news-title {
  font-size: 14px;
  color: #333;
  transition: color 0.3s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 90%;
}
.rz-news-date {
  font-size: 12px;
  color: #bbb;
  white-space: nowrap;
}
@media (max-width: 900px) {
  .rz-news-cols { grid-template-columns: 1fr; gap: 20px; }
  .rz-news-title { white-space: normal; }
}

/* ============================================================
   8. 底部一体化（联系方式 + 页脚）
   ============================================================ */
.rz-footer {
  background: #2d2418;
  color: rgba(255,255,255,0.6);
}
.rz-footer-cta {
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
}
.rz-footer-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: #c49a6c;
}
.rz-footer-cta .label {
  font-size: 12px;
  letter-spacing: 6px;
  color: #c49a6c;
  margin-bottom: 24px;
  display: block;
}
.rz-footer-cta h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 200;
  letter-spacing: 3px;
  line-height: 1.4;
  color: #fff;
  margin-bottom: 16px;
}
.rz-footer-cta h2 em {
  font-style: normal;
  color: #c49a6c;
}
.rz-footer-cta .sub {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  margin-bottom: 40px;
}
.rz-footer-phone {
  display: block;
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 200;
  color: #c49a6c;
  letter-spacing: 3px;
  margin-bottom: 12px;
}
.rz-footer-wechat {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 40px;
}
.rz-footer-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 0;
}
.rz-btn-gold {
  display: inline-block;
  padding: 16px 56px;
  background: #c49a6c;
  color: #2d2418;
  font-size: 13px;
  letter-spacing: 4px;
  font-weight: 500;
  transition: all 0.3s;
}
.rz-btn-gold:hover { background: #d4b88a; }
.rz-btn-line {
  display: inline-block;
  padding: 16px 56px;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 13px;
  letter-spacing: 4px;
  transition: all 0.3s;
}
.rz-btn-line:hover {
  border-color: #c49a6c;
  color: #c49a6c;
}
.rz-footer-info {
  padding: 50px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.rz-footer-info p {
  font-size: 13px;
  line-height: 2.2;
  color: rgba(255,255,255,0.4);
  letter-spacing: 1px;
}
.rz-footer-info p a {
  color: rgba(255,255,255,0.5);
  transition: color 0.3s;
}
.rz-footer-info p a:hover { color: #c49a6c; }
.rz-footer-copy {
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 1px;
}
.rz-footer-copy a {
  color: rgba(255,255,255,0.4);
  margin: 0 8px;
  transition: color 0.3s;
}
.rz-footer-copy a:hover { color: #c49a6c; }

/* SEO 隐藏 */
.rz-seo-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}