/* ==================== 高端配色方案 ==================== */
: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);--tech-blue:#00d4ff;--tech-dark:#0a1628;--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 ==================== */
/*.header {position:fixed;top:0;left:0;right:0;z-index:1000;transition:var(--transition-smooth);padding:20px 0;}
.header.scrolled {background:rgba(10,10,10,0.95);backdrop-filter:blur(20px);padding:15px 0;box-shadow:0 4px 30px rgba(0,0,0,0.3);}
.header-inner {max-width:1400px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between;}
.logo {display:flex;align-items:center;gap:12px;text-decoration:none;z-index:1001;}
.logo-icon {width:45px;height:45px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;color:white;font-size:20px;box-shadow:0 4px 15px rgba(201,169,98,0.3);}
.logo-text {display:flex;flex-direction:column;}
.logo-name {font-size:1.4rem;font-weight:700;color:white;letter-spacing:2px;}
.logo-slogan {font-size:0.75rem;color:var(--gold-primary);letter-spacing:1px;text-transform:uppercase;}
.nav-menu {display:flex;align-items:center;gap:40px;list-style:none;}
.nav-link {color:rgba(255,255,255,0.9);text-decoration:none;font-size:0.95rem;font-weight:500;letter-spacing:1px;position:relative;padding:5px 0;transition:var(--transition-smooth);}
.nav-link::after {content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gold-primary);transition:var(--transition-smooth);}
.nav-link:hover {color:var(--gold-primary);}
.nav-link:hover::after {width:100%;}
.header-cta {display:flex;align-items:center;gap:30px;}
.phone-info {text-align:right;}
.phone-label {display:block;font-size:0.7rem;color:var(--gold-primary);letter-spacing:1px;text-transform:uppercase;margin-bottom:2px;}
.phone-number {font-size:1.1rem;color:white;font-weight:600;letter-spacing:1px;}
.btn-primary {background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));color:var(--primary-dark);padding:14px 32px;border-radius:4px;text-decoration:none;font-weight:600;font-size:0.9rem;letter-spacing:1px;transition:var(--transition-smooth);border:none;cursor:pointer;box-shadow:0 4px 20px rgba(201,169,98,0.3);}
.btn-primary:hover {transform:translateY(-2px);box-shadow:0 8px 30px rgba(201,169,98,0.4);}
.btn-outline {background:transparent;color:white;padding:12px 30px;border:1px solid rgba(255,255,255,0.3);border-radius:4px;text-decoration:none;font-weight:500;transition:var(--transition-smooth);}
.btn-outline:hover {background:white;color:var(--primary-dark);}
.mobile-menu-btn {display:none;flex-direction:column;gap:6px;background:none;border:none;cursor:pointer;z-index:1001;padding:10px;}
.mobile-menu-btn span {display:block;width:28px;height:2px;background:white;transition:var(--transition-smooth);}*/
/* ==================== 案例Hero区域 ==================== */
.case-hero {position:relative;height:100vh;min-height:700px;overflow:hidden;background:var(--tech-dark);}
.case-hero-bg {position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;}
.case-hero-overlay {position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(10,16,40,0.95) 0%,rgba(10,16,40,0.7) 50%,rgba(10,10,10,0.8) 100%);}
.case-hero-content {position:absolute;top:50%;left:0;right:0;transform:translateY(-50%);max-width:1400px;margin:0 auto;padding:0 40px;z-index:2;}
.case-tag {display:inline-flex;align-items:center;gap:10px;color:var(--tech-blue);font-size:0.85rem;letter-spacing:3px;text-transform:uppercase;margin-bottom:24px;padding:10px 20px;border:1px solid rgba(0,212,255,0.3);border-radius:30px;background:rgba(0,212,255,0.05);}
.case-title {font-size:4rem;font-weight:700;color:white;line-height:1.2;margin-bottom:24px;max-width:900px;}
.case-title span {color:var(--gold-primary);font-weight:300;}
.case-subtitle {font-size:1.5rem;color:rgba(255,255,255,0.9);margin-bottom:16px;font-weight:500;}
.case-desc {font-size:1.15rem;color:rgba(255,255,255,0.7);max-width:700px;margin-bottom:40px;line-height:1.9;}
.case-meta {display:flex;gap:40px;margin-bottom:40px;flex-wrap:wrap;}
.case-meta-item {display:flex;align-items:center;gap:12px;color:rgba(255,255,255,0.8);}
.case-meta-icon {width:48px;height:48px;background:rgba(0,212,255,0.1);border:1px solid rgba(0,212,255,0.3);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--tech-blue);}
.case-meta-label {font-size:0.8rem;color:rgba(255,255,255,0.5);text-transform:uppercase;letter-spacing:1px;}
.case-meta-value {font-size:1.2rem;font-weight:600;color:white;}
.case-cta {display:flex;gap:20px;flex-wrap:wrap;}
/* ==================== 案例信息栏 ==================== */
.case-info-bar {background:var(--primary-dark);padding:40px 0;border-bottom:1px solid rgba(255,255,255,0.1);}
.case-info-grid {max-width:1400px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:40px;}
.case-info-item {text-align:center;padding:20px;border-right:1px solid rgba(255,255,255,0.1);}
.case-info-item:last-child {border-right:none;}
.case-info-number {font-size:2.5rem;font-weight:700;color:var(--gold-primary);display:block;margin-bottom:8px;}
.case-info-label {font-size:0.9rem;color:rgba(255,255,255,0.6);text-transform:uppercase;letter-spacing:1px;}
/* ==================== 设计理念 ==================== */
.concept-section {padding:120px 0;background:var(--cream);}
.container {max-width:1400px;margin:0 auto;padding:0 40px;}
.section-header {text-align:center;margin-bottom:80px;}
.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;}
.concept-grid {display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;}
.concept-content h3 {font-size:2rem;color:var(--primary-dark);margin-bottom:24px;font-weight:600;}
.concept-text {color:var(--text-gray);font-size:1.1rem;line-height:2;margin-bottom:30px;}
.concept-list {list-style:none;}
.concept-list li {display:flex;align-items:flex-start;gap:16px;margin-bottom:20px;color:var(--text-gray);font-size:1.05rem;}
.concept-list-icon {width:24px;height:24px;color:var(--gold-primary);flex-shrink:0;margin-top:2px;}
.concept-image {position:relative;border-radius:8px;overflow:hidden;box-shadow:var(--shadow-elegant);}
.concept-image img {width:100%;height:500px;object-fit:cover;transition:transform 0.8s ease;}
.concept-image:hover img {transform:scale(1.05);}
/* ==================== 展厅亮点 ==================== */
.highlights-section {padding:120px 0;background:var(--primary-dark);color:white;position:relative;overflow:hidden;}
.highlights-section::before {content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(0,212,255,0.08) 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(255,255,255,0.08);border-radius:8px;padding:50px 40px;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(--tech-blue),var(--gold-primary));transform:scaleX(0);transition:transform 0.4s ease;}
.highlight-card:hover {background:rgba(255,255,255,0.06);transform:translateY(-10px);border-color:rgba(0,212,255,0.2);}
.highlight-card:hover::before {transform:scaleX(1);}
.highlight-icon {width:70px;height:70px;background:linear-gradient(135deg,rgba(0,212,255,0.1),rgba(0,212,255,0.05));border:1px solid rgba(0,212,255,0.3);border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:30px;color:var(--tech-blue);}
.highlight-title {font-size:1.4rem;font-weight:600;margin-bottom:16px;color:white;}
.highlight-desc {color:rgba(255,255,255,0.7);line-height:1.9;font-size:1rem;}
/* ==================== 案例画廊 ==================== */
.gallery-section {padding:120px 0;background:var(--warm-white);}
.gallery-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.gallery-item {position:relative;border-radius:8px;overflow:hidden;cursor:pointer;aspect-ratio:4/3;}
.gallery-item.featured {grid-column:span 2;grid-row:span 2;aspect-ratio:auto;}
.gallery-item img {width:100%;height:100%;object-fit:cover;transition:transform 0.8s ease;}
.gallery-item:hover img {transform:scale(1.08);}
.gallery-overlay {position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to top,rgba(10,10,10,0.9) 0%,transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:30px;opacity:0;transition:var(--transition-smooth);}
.gallery-item:hover .gallery-overlay {opacity:1;}
.gallery-title {color:white;font-size:1.3rem;font-weight:600;margin-bottom:8px;transform:translateY(20px);transition:transform 0.4s ease;}
.gallery-desc {color:rgba(255,255,255,0.8);font-size:0.95rem;transform:translateY(20px);transition:transform 0.4s ease 0.1s;}
.gallery-item:hover .gallery-title,.gallery-item:hover .gallery-desc {transform:translateY(0);}
.gallery-zoom {position:absolute;top:20px;right:20px;width:50px;height:50px;background:var(--gold-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0.8);transition:var(--transition-smooth);color:var(--primary-dark);}
.gallery-item:hover .gallery-zoom {opacity:1;transform:scale(1);}
/* ==================== 技术展示 ==================== */
.tech-section {padding:120px 0;background:linear-gradient(135deg,var(--tech-dark) 0%,var(--primary-dark) 100%);color:white;position:relative;overflow:hidden;}
.tech-section::before {content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300d4ff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:0.5;}
.tech-grid {display:grid;grid-template-columns:repeat(2,1fr);gap:60px;align-items:center;position:relative;z-index:1;}
.tech-content .section-tag {color:var(--tech-blue);}
.tech-content .section-title {color:white;}
.tech-content .section-desc {color:rgba(255,255,255,0.7);}
.tech-list {margin-top:40px;}
.tech-item {display:flex;gap:20px;margin-bottom:30px;padding:24px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);border-radius:8px;transition:var(--transition-smooth);}
.tech-item:hover {background:rgba(0,212,255,0.05);border-color:rgba(0,212,255,0.2);transform:translateX(10px);}
.tech-item-icon {width:56px;height:56px;background:rgba(0,212,255,0.1);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--tech-blue);flex-shrink:0;}
.tech-item-content h4 {font-size:1.2rem;margin-bottom:8px;color:white;}
.tech-item-content p {color:rgba(255,255,255,0.6);font-size:0.95rem;line-height:1.7;}
.tech-image {position:relative;border-radius:8px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,0.5);}
.tech-image img {width:100%;height:500px;object-fit:cover;}
.tech-badge {position:absolute;bottom:-20px;left:-20px;background:var(--gold-primary);color:var(--primary-dark);padding:30px 40px;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,0.3);}
.tech-badge-number {font-size:3rem;font-weight:700;display:block;line-height:1;}
.tech-badge-text {font-size:0.9rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;}
/* ==================== 客户评价 ==================== */
.testimonial-section {padding:120px 0;background:var(--cream);}
.testimonial-card-large {background:white;border-radius:8px;padding:60px;box-shadow:var(--shadow-elegant);position:relative;}
.testimonial-quote-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:1.3rem;line-height:2;color:var(--text-gray);margin-bottom:40px;font-style:italic;position:relative;z-index:1;}
.testimonial-author-large {display:flex;align-items:center;gap:20px;padding-top:30px;border-top:1px solid rgba(0,0,0,0.1);}
.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:600;}
.author-info-large h4 {color:var(--primary-dark);font-size:1.2rem;margin-bottom:4px;}
.author-info-large p {color:var(--text-light);font-size:0.95rem;}
/* ==================== CTA区域 ==================== */
.cta-section {padding:120px 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("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a962' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:0.5;}
.cta-content {text-align:center;position:relative;z-index:1;max-width:800px;margin:0 auto;}
.cta-title {font-size:3rem;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:50px;line-height:1.8;}
.cta-buttons {display:flex;gap:20px;justify-content:center;flex-wrap:wrap;}
/* ==================== 相关案例 ==================== */
.related-section {padding:120px 0;background:var(--warm-white);}
.related-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.related-card {background:white;border-radius:8px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.08);transition:var(--transition-smooth);text-decoration:none;color:inherit;}
.related-card:hover {transform:translateY(-10px);box-shadow:var(--shadow-elegant);}
.related-image {height:240px;overflow:hidden;}
.related-image img {width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease;}
.related-card:hover .related-image img {transform:scale(1.1);}
.related-content {padding:30px;}
.related-category {color:var(--gold-primary);font-size:0.8rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;}
.related-title {font-size:1.3rem;font-weight:600;color:var(--primary-dark);margin-bottom:12px;}
.related-desc {color:var(--text-gray);font-size:0.95rem;line-height:1.7;}
/* ==================== 页脚 ==================== */
/*.footer {background:var(--primary-dark);color:white;padding:80px 0 0;}
.footer-grid {display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:60px;margin-bottom:60px;}
.footer-brand {max-width:350px;}
.footer-logo {font-size:1.8rem;font-weight:700;color:white;margin-bottom:20px;display:flex;align-items:center;gap:12px;}
.footer-desc {color:rgba(255,255,255,0.6);line-height:1.9;margin-bottom:30px;}
.footer-title {font-size:1.1rem;font-weight:600;margin-bottom:24px;color:white;letter-spacing:1px;}
.footer-links {list-style:none;}
.footer-links li {margin-bottom:14px;}
.footer-links a {color:rgba(255,255,255,0.6);text-decoration:none;transition:var(--transition-smooth);display:flex;align-items:center;gap:10px;}
.footer-links a::before {content:'→';color:var(--gold-primary);opacity:0;transform:translateX(-10px);transition:var(--transition-smooth);}
.footer-links a:hover {color:var(--gold-primary);padding-left:5px;}
.footer-links a:hover::before {opacity:1;transform:translateX(0);}
.footer-contact li {display:flex;gap:16px;margin-bottom:20px;color:rgba(255,255,255,0.7);}
.contact-icon {width:24px;height:24px;color:var(--gold-primary);flex-shrink:0;}
.footer-bottom {border-top:1px solid rgba(255,255,255,0.1);padding:30px 0;display:flex;justify-content:space-between;align-items:center;color:rgba(255,255,255,0.5);font-size:0.9rem;}
.footer-bottom a {color:rgba(255,255,255,0.5);text-decoration:none;transition:var(--transition-smooth);}
.footer-bottom a:hover {color:var(--gold-primary);}*/
/* ==================== 浮动按钮 ==================== */
/*.float-cta {position:fixed;right:30px;bottom:100px;z-index:999;display:flex;flex-direction:column;gap:16px;}
.float-btn {width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;text-decoration:none;box-shadow:0 8px 30px rgba(0,0,0,0.3);transition:var(--transition-smooth);position:relative;font-size:1.5rem;}
.float-btn-phone {background:var(--gold-primary);color:var(--primary-dark);}
.float-btn-wechat {background:#07c160;}
.float-btn-top {background:var(--secondary-dark);opacity:0;visibility:hidden;transform:translateY(20px);}
.float-btn-top.visible {opacity:1;visibility:visible;transform:translateY(0);}
.float-btn:hover {transform:scale(1.1) translateY(-5px);}
.float-tooltip {position:absolute;right:75px;background:var(--primary-dark);color:white;padding:10px 20px;border-radius:4px;font-size:0.85rem;white-space:nowrap;opacity:0;visibility:hidden;transition:var(--transition-smooth);box-shadow:0 4px 20px rgba(0,0,0,0.2);}
.float-btn:hover .float-tooltip {opacity:1;visibility:visible;}*/
/* ==================== 面包屑导航 ==================== */
/*.breadcrumb {background:var(--primary-dark);padding:60px 0 30px;border-bottom:1px solid rgba(255,255,255,0.1);}
.breadcrumb-inner {max-width:1400px;margin:0 auto;padding:0 40px;display:flex;align-items:center;gap:12px;color:rgba(255,255,255,0.6);font-size:0.9rem;}
.breadcrumb a {color:rgba(255,255,255,0.8);text-decoration:none;transition:var(--transition-smooth);}
.breadcrumb a:hover {color:var(--gold-primary);}
.breadcrumb-separator {color:rgba(255,255,255,0.4);}
.breadcrumb-current {color:var(--gold-primary);}*/
/* ==================== 响应式设计 ==================== */
@media (max-width:1200px) {.gallery-grid {grid-template-columns:repeat(2,1fr);}
.gallery-item.featured {grid-column:span 2;grid-row:span 1;}
.case-info-grid {grid-template-columns:repeat(2,1fr);}
.case-info-item {border-right:none;border-bottom:1px solid rgba(255,255,255,0.1);}
.case-info-item:nth-child(3),.case-info-item:nth-child(4) {border-bottom:none;}
}
@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-title {font-size:2.8rem;}
.concept-grid,.tech-grid {grid-template-columns:1fr;gap:60px;}
.concept-image {order:-1;}
.highlights-grid,.related-grid {grid-template-columns:repeat(2,1fr);}
.footer-grid {grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px) {.case-hero {min-height:600px;height:auto;padding:120px 0 60px;}
.case-hero-content {position:relative;top:0;transform:none;padding:0 20px;}
.case-title {font-size:2rem;}
.case-subtitle {font-size:1.2rem;}
.case-meta {gap:20px;}
.case-info-grid {display: flex;flex-wrap: wrap;justify-content: space-around;}
.case-info-item {border-bottom:1px solid rgba(255,255,255,0.1);border-right:none;}
.case-info-item:last-child {border-bottom:none;}
.section-title {font-size:2rem;}
.gallery-grid {grid-template-columns:1fr;}
.gallery-item.featured {grid-column:span 1;grid-row:span 1;}
.highlights-grid,.related-grid {grid-template-columns:1fr;}
.testimonial-card-large {padding:40px 30px;}
.testimonial-text-large {font-size:1.1rem;}
.tech-badge {left:20px;bottom:-10px;padding:20px 30px;}
.tech-badge-number {font-size:2rem;}
.cta-title {font-size:2rem;}
.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;}
.container {padding:0 20px;}
.breadcrumb-inner {padding:0 20px;}
/* 缩小手机端各版块间距 */
.concept-section {padding:30px 0;background:var(--cream);}
.highlights-section {padding:30px 0;background:var(--primary-dark);color:white;position:relative;overflow:hidden;}
.gallery-section {padding:30px 0;background:var(--warm-white);}
.tech-section {padding:30px 0;background:linear-gradient(135deg,var(--tech-dark) 0%,var(--primary-dark) 100%);color:white;position:relative;overflow:hidden;}
.testimonial-section {padding:30px 0;background:var(--cream);}
.cta-section {padding:30px 0;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--secondary-dark) 100%);position:relative;overflow:hidden;}
.related-section {padding:30px 0;background:var(--warm-white);}
}
@media (max-width:480px) {.case-title {font-size:1.6rem;}
.case-cta {flex-direction:column;}
.btn-primary,.btn-outline {width:100%;text-align:center;}
.concept-content h3 {font-size:1.5rem;}
.highlight-card {padding:30px 25px;}
.tech-item {flex-direction:column;gap:16px;}
}