/* ==================== 高端配色方案 - 与首页保持一致 ==================== */
:root {--primary-dark:#0a0a0a;--primary-charcoal:#1a1a1a;--secondary-dark:#2d2d2d;--gold-primary:#c9a962;--gold-light:#e8d5a3;--gold-dark:#a08440;--cream:#f5f3f0;--warm-white:#faf9f7;--text-gray:#666666;--text-light:#999999;--overlay-dark:rgba(10,10,10,0.85);--overlay-gradient:linear-gradient(135deg,rgba(10,10,10,0.9) 0%,rgba(26,26,26,0.7) 100%);--font-primary:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--transition-smooth:all 0.4s cubic-bezier(0.4,0,0.2,1);--shadow-elegant:0 20px 60px rgba(0,0,0,0.3);}
* {margin:0;padding:0;box-sizing:border-box;}
html {scroll-behavior:smooth;}
body {font-family:var(--font-primary);background:var(--warm-white);color:var(--primary-charcoal);line-height:1.6;overflow-x:hidden;}
/* ==================== 导航栏 ==================== */

/* ==================== 面包屑导航 ==================== */
.breadcrumb-section {padding-top:85px;background:var(--primary-dark);border-bottom:1px solid rgba(255,255,255,0.1);}
.breadcrumb-inner {max-width:1400px;margin:0 auto;padding:20px 40px;display:flex;align-items:center;gap:12px;color:rgba(255,255,255,0.6);font-size:0.9rem;}
.breadcrumb-inner a {color:rgba(255,255,255,0.6);text-decoration:none;transition:var(--transition-smooth);}
.breadcrumb-inner a:hover {color:var(--gold-primary);}
.breadcrumb-sep {color:var(--gold-primary);}
.breadcrumb-current {color:var(--gold-primary);}
/* ==================== 案例Hero区域 ==================== */
.case-hero {position:relative;min-height:600px;background:var(--primary-dark);display:flex;align-items:center;overflow:hidden;}
.case-hero::before {content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("/zt/guanhao/images/guanhao01.jpg");opacity:0.2;}
.case-hero-grid {max-width:1400px;margin:0 auto;padding:80px 40px;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;position:relative;z-index:1;width:100%;}
.case-hero-content {max-width:600px;}
.case-tag {display:inline-flex;align-items:center;gap:8px;color:var(--gold-primary);font-size:0.85rem;letter-spacing:3px;text-transform:uppercase;margin-bottom:24px;padding:8px 20px;border:1px solid var(--gold-primary);border-radius:4px;}
.case-hero-title {font-size:3.2rem;font-weight:700;color:white;line-height:1.2;margin-bottom:24px;}
.case-hero-title span {color:var(--gold-primary);font-weight:300;}
.case-hero-desc {font-size:1.15rem;color:rgba(255,255,255,0.75);line-height:1.9;margin-bottom:40px;}
.case-meta-grid {display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:40px;}
.case-meta-item {display:flex;align-items:flex-start;gap:12px;}
.case-meta-icon {width:44px;height:44px;background:rgba(201,169,98,0.15);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--gold-primary);flex-shrink:0;}
.case-meta-label {font-size:0.8rem;color:var(--text-light);margin-bottom:4px;text-transform:uppercase;letter-spacing:1px;}
.case-meta-value {font-size:1.1rem;color:white;font-weight:600;}
.case-hero-image {position:relative;border-radius:8px;overflow:hidden;box-shadow:var(--shadow-elegant);}
.case-hero-image img {width:100%;height:450px;object-fit:cover;transition:transform 0.8s ease;}
.case-hero-image:hover img {transform:scale(1.03);}
.case-image-badge {position:absolute;bottom:20px;left:20px;background:var(--gold-primary);color:var(--primary-dark);padding:10px 20px;font-size:0.85rem;font-weight:700;border-radius:4px;letter-spacing:1px;}
/* ==================== 案例亮点数据 ==================== */
.case-stats {background:linear-gradient(135deg,var(--primary-dark) 0%,var(--secondary-dark) 100%);padding:80px 0;position:relative;}
.case-stats-grid {max-width:1400px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:40px;}
.case-stat-item {text-align:center;padding:30px;border:1px solid rgba(201,169,98,0.2);border-radius:8px;transition:var(--transition-smooth);}
.case-stat-item:hover {border-color:var(--gold-primary);transform:translateY(-5px);background:rgba(201,169,98,0.05);}
.case-stat-number {font-size:3rem;font-weight:700;color:var(--gold-primary);display:block;line-height:1;margin-bottom:12px;}
.case-stat-label {color:rgba(255,255,255,0.7);font-size:1rem;letter-spacing:1px;}
/* ==================== 案例详情介绍 ==================== */
.case-detail {padding:100px 0;background:var(--cream);}
.container {max-width:1400px;margin:0 auto;padding:0 40px;}
.section-header {text-align:center;margin-bottom:60px;}
.section-tag {color:var(--gold-primary);font-size:0.85rem;letter-spacing:3px;text-transform:uppercase;margin-bottom:16px;display:block;}
.section-title {font-size:2.8rem;font-weight:700;color:var(--primary-dark);margin-bottom:20px;line-height:1.3;}
.section-desc {font-size:1.1rem;color:var(--text-gray);max-width:700px;margin:0 auto;line-height:1.8;}
/* ==================== 展厅设计理念 ==================== */
.concept-grid {display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:80px;}
.concept-image {border-radius:8px;overflow:hidden;box-shadow:var(--shadow-elegant);}
.concept-image img {width:100%;height:400px;object-fit:cover;transition:transform 0.8s ease;}
.concept-image:hover img {transform:scale(1.03);}
.concept-content h3 {font-size:2rem;font-weight:700;color:var(--primary-dark);margin-bottom:24px;}
.concept-content h3 span {color:var(--gold-primary);font-weight:300;}
.concept-content p {color:var(--text-gray);line-height:2;font-size:1.05rem;margin-bottom:24px;}
.concept-features {display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:30px;}
.concept-feature-item {display:flex;align-items:flex-start;gap:12px;}
.concept-feature-icon {width:36px;height:36px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));border-radius:6px;display:flex;align-items:center;justify-content:center;color:white;font-size:1rem;flex-shrink:0;}
.concept-feature-text {font-size:0.95rem;color:var(--text-gray);line-height:1.6;}
/* ==================== 展厅空间展示 - 画廊 ==================== */
.gallery-section {padding:100px 0;background:white;}
.gallery-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.gallery-item {position:relative;border-radius:8px;overflow:hidden;cursor:pointer;box-shadow:0 4px 20px rgba(0,0,0,0.08);transition:var(--transition-smooth);}
.gallery-item:nth-child(1) {grid-column:span 2;grid-row:span 2;}
.gallery-item:nth-child(4) {grid-column:span 2;}
.gallery-item:nth-child(7) {grid-column:span 2;}
.gallery-item:hover {transform:translateY(-8px);box-shadow:var(--shadow-elegant);}
.gallery-item img {width:100%;height:100%;object-fit:cover;display:block;transition:transform 0.8s ease;}
.gallery-item:hover img {transform:scale(1.05);}
.gallery-overlay {position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(10,10,10,0.9) 0%,transparent 100%);padding:30px 24px 24px;opacity:0;transition:var(--transition-smooth);}
.gallery-item:hover .gallery-overlay {opacity:1;}
.gallery-title {color:white;font-size:1.1rem;font-weight:600;margin-bottom:6px;}
.gallery-desc {color:rgba(255,255,255,0.7);font-size:0.9rem;}
.gallery-zoom-icon {position:absolute;top:20px;right:20px;width:44px;height:44px;background:var(--gold-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary-dark);opacity:0;transform:scale(0.8);transition:var(--transition-smooth);}
.gallery-item:hover .gallery-zoom-icon {opacity:1;transform:scale(1);}
/* ==================== 设计亮点 ==================== */
.highlights-section {padding:100px 0;background:var(--primary-dark);position:relative;overflow:hidden;}
.highlights-section::before {content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(201,169,98,0.08) 0%,transparent 70%);pointer-events:none;}
.highlights-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:30px;position:relative;z-index:1;}
.highlight-card {background:rgba(255,255,255,0.03);border:1px solid rgba(201,169,98,0.15);border-radius:8px;padding:50px 35px;transition:var(--transition-smooth);position:relative;overflow:hidden;}
.highlight-card::before {content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--gold-primary),var(--gold-light));transform:scaleX(0);transition:transform 0.4s ease;}
.highlight-card:hover {background:rgba(255,255,255,0.05);border-color:var(--gold-primary);transform:translateY(-10px);}
.highlight-card:hover::before {transform:scaleX(1);}
.highlight-icon {width:60px;height:60px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:28px;color:white;}
.highlight-title {font-size:1.3rem;font-weight:600;color:white;margin-bottom:16px;}
.highlight-desc {color:rgba(255,255,255,0.65);line-height:1.9;font-size:0.95rem;}
/* ==================== 客户评价 ==================== */
.testimonial-section {padding:100px 0;background:var(--cream);}
.testimonial-card-large {background:white;border-radius:8px;padding:60px;box-shadow:0 4px 30px rgba(0,0,0,0.08);margin:0 auto;position:relative;}
.quote-icon-large {font-size:6rem;color:var(--gold-primary);opacity:0.2;line-height:1;position:absolute;top:30px;left:40px;}
.testimonial-text-large {font-size:1.2rem;line-height:2;color:var(--text-gray);margin-bottom:40px;position:relative;z-index:1;font-style:italic;}
.testimonial-author-large {display:flex;align-items:center;gap:20px;padding-top:30px;border-top:1px solid rgba(0,0,0,0.08);}
.author-avatar-large {width:70px;height:70px;border-radius:50%;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));display:flex;align-items:center;justify-content:center;color:white;font-size:1.5rem;font-weight:700;}
.author-info-large h4 {color:var(--primary-dark);font-size:1.2rem;margin-bottom:6px;}
.author-info-large p {color:var(--text-light);font-size:0.95rem;}
/* ==================== 相关案例 ==================== */
.related-cases {padding:100px 0;background:white;}
.related-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.related-card {position:relative;overflow:hidden;border-radius:8px;cursor:pointer;box-shadow:0 4px 20px rgba(0,0,0,0.08);transition:var(--transition-smooth);}
.related-card:hover {transform:translateY(-8px);box-shadow:var(--shadow-elegant);}
.related-image {position:relative;height:300px;overflow:hidden;}
.related-image img {width:100%;height:100%;object-fit:cover;transition:transform 0.8s ease;}
.related-card:hover .related-image img {transform:scale(1.1);}
.related-overlay {position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to top,rgba(10,10,10,0.95) 0%,rgba(10,10,10,0.3) 50%,transparent 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:30px;}
.related-category {color:var(--gold-primary);font-size:0.8rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}
.related-title {color:white;font-size:1.3rem;font-weight:600;margin-bottom:8px;}
.related-location {color:rgba(255,255,255,0.7);font-size:0.9rem;display:flex;align-items:center;gap:8px;}
/* ==================== CTA区域 ==================== */
.cta-section {padding:100px 0;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--secondary-dark) 100%);position:relative;overflow:hidden;}
.cta-section::before {content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("/zt/guanhao/images/guanhao09.jpg");opacity:0.1;}
.cta-content {text-align:center;position:relative;z-index:1;max-width:800px;margin:0 auto;}
.cta-title {font-size:2.8rem;color:white;margin-bottom:24px;font-weight:700;}
.cta-title span {color:var(--gold-primary);}
.cta-desc {color:rgba(255,255,255,0.8);font-size:1.2rem;margin-bottom:40px;line-height:1.8;}
.cta-phone {font-size:2.2rem;color:var(--gold-primary);text-decoration:none;font-weight:700;letter-spacing:2px;display:block;margin-bottom:10px;}
.cta-phone-label {color:rgba(255,255,255,0.6);font-size:0.9rem;letter-spacing:2px;text-transform:uppercase;}
/* ==================== 页脚 ==================== */

/* ==================== 浮动按钮 ==================== */

/* ==================== 图片灯箱 ==================== */
.lightbox {display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(10,10,10,0.95);z-index:2000;align-items:center;justify-content:center;padding:40px;}
.lightbox.active {display:flex;}
.lightbox img {max-width:90%;max-height:90%;object-fit:contain;border-radius:8px;}
.lightbox-close {position:absolute;top:30px;right:40px;width:50px;height:50px;background:rgba(255,255,255,0.1);border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;cursor:pointer;transition:var(--transition-smooth);border:none;}
.lightbox-close:hover {background:var(--gold-primary);color:var(--primary-dark);}
/* ==================== 响应式设计 ==================== */
@media (max-width:1200px) {.case-hero-grid {gap:50px;}
.gallery-grid {grid-template-columns:repeat(2,1fr);}
.gallery-item:nth-child(1) {grid-column:span 2;grid-row:span 1;}
.gallery-item:nth-child(4),.gallery-item:nth-child(7) {grid-column:span 1;}
.highlights-grid {grid-template-columns:repeat(2,1fr);}
.related-grid {grid-template-columns:repeat(2,1fr);}
.footer-grid {grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px) {.header-inner {padding:0 20px;}
/*.nav-menu {position:fixed;top:0;right:-100%;width:80%;max-width:400px;height:100vh;background:var(--primary-dark);flex-direction:column;padding:100px 40px;gap:30px;transition:right 0.4s ease;box-shadow:-10px 0 50px rgba(0,0,0,0.5);}*/
.nav-menu.active {right:0;}
.mobile-menu-btn {display:flex;}
.mobile-menu-btn.active span:nth-child(1) {transform:rotate(45deg) translate(5px,5px);}
.mobile-menu-btn.active span:nth-child(2) {opacity:0;}
.mobile-menu-btn.active span:nth-child(3) {transform:rotate(-45deg) translate(7px,-6px);}
.case-hero-grid {grid-template-columns:1fr;padding:60px 20px;}
.case-hero-image {order:-1;}
.case-hero-title {font-size:2.4rem;}
.case-stats-grid {grid-template-columns:repeat(2,1fr);}
.concept-grid {grid-template-columns:1fr;gap:40px;}
.concept-image {order:-1;}
.concept-features {grid-template-columns:1fr;}
}
@media (max-width:768px) {.breadcrumb-inner {padding:15px 20px;font-size:0.85rem;}
.case-hero {min-height:auto;}
.case-hero-grid {padding:40px 20px;}
.case-hero-title {font-size:1.8rem;}
.case-hero-desc {font-size:1rem;}
.case-meta-grid {}
.case-hero-image img {height:300px;}
.case-stats-grid {grid-template-columns:1fr 1fr;gap:15px;padding:0 20px;display: flex;flex-wrap: wrap;justify-content: space-around;}
.case-stat-item {padding:20px;}
.case-stat-number {font-size:2rem;}
.container {padding:0 20px;}
.section-title {font-size:1.8rem;}
.concept-content h3 {font-size:1.5rem;}
.gallery-grid {grid-template-columns:1fr;}
.gallery-item:nth-child(1),.gallery-item:nth-child(4),.gallery-item:nth-child(7) {grid-column:span 1;grid-row:span 1;}
.highlights-grid {grid-template-columns:1fr;}
.testimonial-card-large {padding:40px 25px;}
.testimonial-text-large {font-size:1rem;}
.related-grid {grid-template-columns:1fr;}
.cta-title {font-size:1.8rem;}
.cta-phone {font-size:1.6rem;}
.footer-grid {grid-template-columns:1fr;gap:40px;}
.footer-bottom {flex-direction:column;gap:15px;text-align:center;}
.float-cta {right:15px;bottom:80px;}
.float-btn {width:50px;height:50px;font-size:1.2rem;}
.case-detail {padding:30px 0;background:var(--cream);}
.gallery-section {padding:30px 0;background:white;}
.highlights-section {padding:30px 0;background:var(--primary-dark);position:relative;overflow:hidden;}
.testimonial-section {padding:30px 0;background:var(--cream);}
.related-cases {padding:30px 0;background:white;}
.cta-section {padding:30px 0;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--secondary-dark) 100%);position:relative;overflow:hidden;}
.concept-features {display: flex;flex-wrap: wrap;}
}
@media (max-width:480px) {.case-hero-title {font-size:1.5rem;}
.case-tag {font-size:0.75rem;padding:6px 14px;}
.case-stats-grid {grid-template-columns:1fr;}
.section-title {font-size:1.5rem;}
.highlight-card {padding:35px 25px;}
.cta-title {font-size:1.5rem;}
}