/* ==================== 高端配色方案 - 深邃宇宙主题 ==================== */
:root {--primary-dark:#050508;--primary-charcoal:#0a0a0f;--secondary-dark:#12121a;--deep-space:#1a1a2e;--gold-primary:#d4af37;--gold-light:#f4e4bc;--gold-dark:#b8941f;--cosmic-blue:#16213e;--nebula-purple:#2d1b4e;--star-white:#e8e8f0;--text-gray:#a0a0b0;--text-light:#6a6a7a;--accent-cyan:#00d4ff;--accent-glow:rgba(212,175,55,0.3);--font-primary:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--transition-smooth:all 0.6s cubic-bezier(0.16,1,0.3,1);--transition-bounce:all 0.8s cubic-bezier(0.34,1.56,0.64,1);--shadow-elegant:0 25px 80px rgba(0,0,0,0.5);--shadow-gold:0 0 60px rgba(212,175,55,0.2);}
* {margin:0;padding:0;box-sizing:border-box;}
html {scroll-behavior:smooth;overflow-x:hidden;}
body {font-family:var(--font-primary);background:var(--primary-dark);color:var(--star-white);line-height:1.6;overflow-x:hidden;}
/* ==================== 导航栏 - 玻璃拟态效果 ==================== */
/*.header {position:fixed;top:0;left:0;right:0;z-index:1000;transition:var(--transition-smooth);padding:20px 0;background:rgba(5,5,8,0.6);backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid rgba(212,175,55,0.1);}
.header.scrolled {background:rgba(5,5,8,0.9);padding:12px 0;box-shadow:0 10px 40px rgba(0,0,0,0.4);}
.header-inner {max-width:1600px;margin:0 auto;padding:0 60px;display:flex;align-items:center;justify-content:space-between;}
.logo {display:flex;align-items:center;gap:16px;text-decoration:none;z-index:1001;}
.logo-icon {width:50px;height:50px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--primary-dark);font-size:22px;box-shadow:0 0 30px rgba(212,175,55,0.4);position:relative;overflow:hidden;}
.logo-icon::after {content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent,rgba(255,255,255,0.3),transparent);transform:rotate(45deg);transition:var(--transition-smooth);}
.logo:hover .logo-icon::after {transform:rotate(45deg) translate(100%,100%);}
.logo-text {display:flex;flex-direction:column;}
.logo-name {font-size:1.5rem;font-weight:800;color:var(--star-white);letter-spacing:3px;background:linear-gradient(135deg,var(--star-white),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.logo-slogan {font-size:0.75rem;color:var(--gold-primary);letter-spacing:4px;text-transform:uppercase;font-weight:500;}
.nav-menu {display:flex;align-items:center;gap:50px;list-style:none;}
.nav-link {color:var(--text-gray);text-decoration:none;font-size:0.95rem;font-weight:500;letter-spacing:1px;position:relative;padding:8px 0;transition:var(--transition-smooth);}
.nav-link::before {content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--gold-primary),var(--accent-cyan));transition:var(--transition-smooth);}
.nav-link:hover {color:var(--star-white);}
.nav-link:hover::before {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:2px;text-transform:uppercase;margin-bottom:4px;font-weight:600;}
.phone-number {font-size:1.1rem;color:var(--star-white);font-weight:700;letter-spacing:1px;}
.btn-primary {background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));color:var(--primary-dark);padding:16px 36px;border-radius:8px;text-decoration:none;font-weight:700;font-size:0.9rem;letter-spacing:1px;transition:var(--transition-smooth);border:none;cursor:pointer;box-shadow:0 10px 40px rgba(212,175,55,0.3);display:inline-flex;align-items:center;gap:10px;position:relative;overflow:hidden;}
.btn-primary::before {content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.4),transparent);transition:var(--transition-smooth);}
.btn-primary:hover {transform:translateY(-3px);box-shadow:0 20px 60px rgba(212,175,55,0.4);}
.btn-primary:hover::before {left:100%;}
.btn-outline {background:transparent;color:var(--star-white);padding:14px 32px;border:2px solid rgba(212,175,55,0.3);border-radius:8px;text-decoration:none;font-weight:600;transition:var(--transition-smooth);display:inline-flex;align-items:center;gap:10px;position:relative;overflow:hidden;}
.btn-outline::before {content:'';position:absolute;top:0;left:0;width:0;height:100%;background:var(--gold-primary);transition:var(--transition-smooth);z-index:-1;}
.btn-outline:hover {color:var(--primary-dark);border-color:var(--gold-primary);}
.btn-outline:hover::before {width:100%;}
.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:var(--star-white);transition:var(--transition-smooth);}*/
/* ==================== 创新Hero区域 - 视差深度效果 ==================== */
.case-hero {position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding-top:100px;}
.hero-bg-layer {position:absolute;top:0;left:0;width:100%;height:120%;background-image:url('/zt/zhongke/images/zhongke11.jpg');background-size:cover;background-position:center;will-change:transform;}
.hero-overlay-layer {position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 30% 50%,rgba(22,33,62,0.8) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(45,27,78,0.6) 0%,transparent 40%),linear-gradient(135deg,rgba(5,5,8,0.95) 0%,rgba(5,5,8,0.7) 50%,rgba(5,5,8,0.9) 100%);}
.hero-particles {position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;pointer-events:none;}
.particle {position:absolute;width:2px;height:2px;background:var(--star-white);border-radius:50%;opacity:0;animation:float 15s infinite;}
@keyframes float {0% {opacity:0;transform:translateY(100vh) scale(0);}
10% {opacity:1;}
90% {opacity:1;}
100% {opacity:0;transform:translateY(-100vh) scale(1.5);}
}
.case-hero-content {position:relative;z-index:10;max-width:1400px;margin:0 auto;padding:0 60px;width:100%;display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center;}
.hero-left {position:relative;}
.case-breadcrumb {display:flex;align-items:center;gap:16px;margin-bottom:40px;font-size:0.85rem;color:var(--text-gray);text-transform:uppercase;letter-spacing:2px;}
.case-breadcrumb a {color:var(--text-gray);text-decoration:none;transition:var(--transition-smooth);}
.case-breadcrumb a:hover {color:var(--gold-primary);}
.case-breadcrumb svg {width:14px;height:14px;color:var(--gold-primary);}
.case-tag {display:inline-flex;align-items:center;gap:12px;color:var(--accent-cyan);font-size:0.8rem;letter-spacing:4px;text-transform:uppercase;margin-bottom:30px;padding:12px 24px;background:rgba(0,212,255,0.1);border:1px solid rgba(0,212,255,0.3);border-radius:100px;backdrop-filter:blur(10px);}
.case-tag svg {width:18px;height:18px;animation:pulse 2s infinite;}
@keyframes pulse {0%,100% {opacity:1;}
50% {opacity:0.5;}
}
.case-title {font-size:5rem;font-weight:900;color:var(--star-white);line-height:1.1;margin-bottom:30px;letter-spacing:-2px;}
.case-title span {display:block;background:linear-gradient(135deg,var(--gold-primary),var(--accent-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:300;margin-top:10px;}
.case-desc {font-size:1.25rem;color:var(--text-gray);max-width:500px;margin-bottom:50px;line-height:1.9;font-weight:400;}
.case-meta-horizontal {display:flex;gap:50px;margin-bottom:50px;padding:30px 0;border-top:1px solid rgba(212,175,55,0.2);border-bottom:1px solid rgba(212,175,55,0.2);}
.case-meta-item {display:flex;flex-direction:column;gap:8px;}
.case-meta-label {font-size:0.75rem;color:var(--text-light);letter-spacing:2px;text-transform:uppercase;}
.case-meta-value {font-size:1.4rem;color:var(--star-white);font-weight:700;}
.case-hero-cta {display:flex;gap:20px;flex-wrap:wrap;}
/* 右侧悬浮图片预览 */
.hero-right {position:relative;height:600px;}
.hero-preview-stack {position:relative;width:100%;height:100%;}
.preview-card {position:absolute;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-elegant);transition:var(--transition-bounce);cursor:pointer;}
.preview-card:nth-child(1) {width:70%;height:45%;top:0;right:0;z-index:3;transform:rotate(3deg);}
.preview-card:nth-child(2) {width:60%;height:40%;top:30%;left:0;z-index:2;transform:rotate(-5deg);}
.preview-card:nth-child(3) {width:55%;height:35%;bottom:0;right:10%;z-index:1;transform:rotate(2deg);}
.preview-card img {width:100%;height:100%;object-fit:cover;transition:var(--transition-smooth);}
.preview-card::after {content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(5,5,8,0.6),transparent);}
.preview-card:hover {transform:rotate(0deg) scale(1.05);z-index:10;box-shadow:var(--shadow-gold);}
.preview-card:hover img {transform:scale(1.1);}
/* 滚动指示器 */
.scroll-indicator {position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--text-gray);font-size:0.75rem;letter-spacing:3px;text-transform:uppercase;animation:bounce 2s infinite;}
@keyframes bounce {0%,20%,50%,80%,100% {transform:translateX(-50%) translateY(0);}
40% {transform:translateX(-50%) translateY(-15px);}
60% {transform:translateX(-50%) translateY(-8px);}
}
.mouse {width:30px;height:50px;border:2px solid rgba(212,175,55,0.4);border-radius:15px;position:relative;}
.mouse::before {content:'';position:absolute;top:8px;left:50%;transform:translateX(-50%);width:6px;height:10px;background:var(--gold-primary);border-radius:3px;animation:scroll 2s infinite;}
@keyframes scroll {0% {opacity:1;top:8px;}
100% {opacity:0;top:25px;}
}
/* ==================== 创新图片画廊 - 瀑布流+视差 ==================== */
.gallery-section {padding:50px 0;position:relative;overflow:hidden;}
.gallery-bg {position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 20% 30%,rgba(22,33,62,0.4) 0%,transparent 50%),radial-gradient(ellipse at 80% 70%,rgba(45,27,78,0.3) 0%,transparent 50%);}
.section-header {text-align:center;margin-bottom:100px;position:relative;}
.section-tag {display:inline-flex;align-items:center;gap:12px;color:var(--gold-primary);font-size:0.85rem;letter-spacing:4px;text-transform:uppercase;margin-bottom:24px;padding:12px 28px;border:1px solid rgba(212,175,55,0.3);border-radius:100px;}
.section-tag::before,.section-tag::after {content:'';width:30px;height:1px;background:linear-gradient(90deg,transparent,var(--gold-primary));}
.section-tag::after {background:linear-gradient(90deg,var(--gold-primary),transparent);}
.section-title {font-size:4rem;font-weight:800;color:var(--star-white);margin-bottom:24px;line-height:1.2;letter-spacing:-1px;}
.section-title span {background:linear-gradient(135deg,var(--gold-primary),var(--accent-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.section-desc {font-size:1.2rem;color:var(--text-gray);max-width:600px;margin:0 auto;line-height:1.9;}
/* 瀑布流画廊 */
.masonry-gallery {max-width:1400px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:20px;gap:20px;}
.gallery-item {position:relative;border-radius:20px;overflow:hidden;cursor:pointer;transition:var(--transition-bounce);box-shadow:0 20px 60px rgba(0,0,0,0.3);}
.gallery-item:nth-child(1) {grid-row:span 8;grid-column:span 2;}
.gallery-item:nth-child(2) {grid-row:span 6;}
.gallery-item:nth-child(3) {grid-row:span 7;}
.gallery-item:nth-child(4) {grid-row:span 7;grid-column:span 2;}
.gallery-item:nth-child(5) {grid-row:span 6;}
.gallery-item:nth-child(6) {grid-row:span 8;grid-column:span 2;}
.gallery-item:nth-child(7) {grid-row:span 6;}
.gallery-item:nth-child(8) {grid-row:span 7;}
.gallery-item:hover {transform:translateY(-10px) scale(1.02);box-shadow:var(--shadow-gold);z-index:10;}
.gallery-image {width:100%;height:100%;position:relative;overflow:hidden;}
.gallery-image img {width:100%;height:100%;object-fit:cover;transition:var(--transition-smooth);}
.gallery-item:hover .gallery-image img {transform:scale(1.1);}
.gallery-overlay {position:absolute;inset:0;background:linear-gradient(to top,rgba(5,5,8,0.95) 0%,rgba(5,5,8,0.3) 50%,transparent 100%);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-label {display:inline-flex;align-items:center;gap:8px;color:var(--accent-cyan);font-size:0.75rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;padding:8px 16px;background:rgba(0,212,255,0.1);border-radius:100px;width:fit-content;backdrop-filter:blur(10px);}
.gallery-title {font-size:1.4rem;font-weight:700;color:var(--star-white);line-height:1.4;}
/* 标签切换 */
.gallery-tabs {display:flex;justify-content:center;gap:20px;margin-bottom:60px;flex-wrap:wrap;}
.gallery-tab {padding:16px 40px;background:transparent;border:2px solid rgba(212,175,55,0.2);color:var(--text-gray);font-size:0.95rem;font-weight:600;cursor:pointer;transition:var(--transition-smooth);border-radius:100px;letter-spacing:1px;}
.gallery-tab.active,.gallery-tab:hover {background:var(--gold-primary);border-color:var(--gold-primary);color:var(--primary-dark);box-shadow:0 10px 40px rgba(212,175,55,0.3);}
/* ==================== 对比展示 - 滑动对比效果 ==================== */
.compare-section {padding:50px 0;background:linear-gradient(180deg,var(--primary-dark) 0%,var(--deep-space) 50%,var(--primary-dark) 100%);position:relative;overflow:hidden;}
.compare-section::before {content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:800px;height:800px;background:radial-gradient(circle,rgba(212,175,55,0.05) 0%,transparent 70%);pointer-events:none;}
.compare-container {max-width:1400px;margin:0 auto;padding:0 60px;}
.compare-slider {position:relative;height:600px;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-elegant);}
.compare-image-wrapper {position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;}
.compare-image-wrapper.before {width:50%;z-index:2;border-right:3px solid var(--gold-primary);}
.compare-image-wrapper img {width:100%;height:100%;object-fit:cover;}
.compare-handle {position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:var(--gold-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:ew-resize;z-index:10;box-shadow:0 0 40px rgba(212,175,55,0.5);transition:var(--transition-smooth);}
.compare-handle:hover {transform:translate(-50%,-50%) scale(1.1);}
.compare-handle svg {width:24px;height:24px;color:var(--primary-dark);}
.compare-labels {position:absolute;top:30px;left:0;right:0;display:flex;justify-content:space-between;padding:0 30px;pointer-events:none;z-index:5;}
.compare-label {padding:12px 24px;background:rgba(5,5,8,0.8);backdrop-filter:blur(10px);border-radius:100px;font-size:0.85rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;}
.compare-label.before {color:var(--accent-cyan);border:1px solid rgba(0,212,255,0.3);}
.compare-label.after {color:var(--gold-primary);border:1px solid rgba(212,175,55,0.3);}
/* ==================== 视频区域 - 影院级体验 ==================== */
.video-section {padding:50px 0;position:relative;}
.video-container {max-width:1200px;margin:0 auto;position:relative;}
.video-frame {position:relative;padding-bottom:56.25%;border-radius:24px;overflow:hidden;box-shadow:0 40px 100px rgba(0,0,0,0.5);border:1px solid rgba(212,175,55,0.2);}
.video-placeholder {position:absolute;inset:0;background:linear-gradient(135deg,var(--deep-space),var(--nebula-purple));display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition-smooth);}
.video-placeholder::before {content:'';position:absolute;inset:0;background:url('/zt/zhongke/images/zhongke15.jpg') center/cover;opacity:0.3;}
.video-play-btn {width:120px;height:120px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;z-index:2;transition:var(--transition-bounce);box-shadow:0 0 60px rgba(212,175,55,0.4);}
.video-play-btn::before {content:'';position:absolute;inset:-10px;border:2px solid var(--gold-primary);border-radius:50%;animation:ripple 2s infinite;}
@keyframes ripple {0% {transform:scale(1);opacity:1;}
100% {transform:scale(1.5);opacity:0;}
}
.video-play-btn svg {width:40px;height:40px;color:var(--primary-dark);margin-left:5px;}
.video-placeholder:hover .video-play-btn {transform:scale(1.1);box-shadow:0 0 80px rgba(212,175,55,0.6);}
.video-title-overlay {position:absolute;bottom:40px;left:40px;z-index:2;}
.video-title-overlay h3 {font-size:2rem;font-weight:700;color:var(--star-white);margin-bottom:8px;}
.video-title-overlay p {color:var(--text-gray);font-size:1rem;}
/* ==================== 技术亮点 - 3D卡片效果 ==================== */
.tech-section {padding:50px 0;position:relative;overflow:hidden;}
.tech-grid {max-width:1400px;margin:0 auto;padding:0 60px;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;perspective:1000px;}
.tech-card {background:linear-gradient(135deg,rgba(22,33,62,0.6),rgba(45,27,78,0.3));border:1px solid rgba(212,175,55,0.15);padding:50px 40px;border-radius:24px;transition:var(--transition-bounce);position:relative;overflow:hidden;backdrop-filter:blur(10px);transform-style:preserve-3d;}
.tech-card::before {content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--gold-primary),var(--accent-cyan));transform:scaleX(0);transition:var(--transition-smooth);}
.tech-card:hover {transform:translateY(-15px) rotateX(5deg);border-color:rgba(212,175,55,0.4);box-shadow:0 30px 80px rgba(0,0,0,0.4),var(--shadow-gold);}
.tech-card:hover::before {transform:scaleX(1);}
.tech-icon {width:80px;height:80px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));border-radius:20px;display:flex;align-items:center;justify-content:center;margin-bottom:30px;color:var(--primary-dark);position:relative;overflow:hidden;}
.tech-icon::after {content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent,rgba(255,255,255,0.3),transparent);transform:rotate(45deg);transition:var(--transition-smooth);}
.tech-card:hover .tech-icon::after {transform:rotate(45deg) translate(100%,100%);}
.tech-icon svg {width:36px;height:36px;}
.tech-title {font-size:1.5rem;font-weight:700;margin-bottom:20px;color:var(--star-white);}
.tech-desc {color:var(--text-gray);line-height:1.9;font-size:1rem;}
/* ==================== 数据统计 - 动态数字 ==================== */
.stats-section {padding:100px 0;background:linear-gradient(90deg,var(--gold-primary),var(--gold-dark));position:relative;overflow:hidden;}
.stats-section::before {content:'';position:absolute;inset: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='%23000000' fill-opacity='0.1'%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");}
.stats-grid {max-width:1400px;margin:0 auto;padding:0 60px;display:grid;grid-template-columns:repeat(4,1fr);gap:60px;position:relative;z-index:1;}
.stat-item {text-align:center;color:var(--primary-dark);}
.stat-number {font-size:4rem;font-weight:900;line-height:1;margin-bottom:12px;display:flex;align-items:center;justify-content:center;gap:5px;}
.stat-suffix {font-size:2rem;color:var(--primary-dark);opacity:0.7;}
.stat-label {font-size:1rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;opacity:0.8;}
/* ==================== CTA区域 - 动态背景 ==================== */
.cta-section {padding:50px 0;position:relative;overflow:hidden;text-align:center;}
.cta-bg {position:absolute;inset:0;background:radial-gradient(ellipse at 50% 50%,rgba(22,33,62,0.8) 0%,var(--primary-dark) 70%);}
.cta-content {position:relative;z-index:2;max-width:900px;margin:0 auto;padding:0 60px;}
.cta-title {font-size:4rem;font-weight:900;color:var(--star-white);margin-bottom:30px;line-height:1.2;}
.cta-title span {background:linear-gradient(135deg,var(--gold-primary),var(--accent-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.cta-desc {color:var(--text-gray);font-size:1.3rem;margin-bottom:50px;line-height:1.9;}
.cta-buttons {display:flex;gap:24px;justify-content:center;flex-wrap:wrap;}
.cta-phone {font-size:3rem;color:var(--gold-primary);text-decoration:none;font-weight:800;letter-spacing:3px;display:block;margin-top:40px;text-shadow:0 0 40px rgba(212,175,55,0.3);}
/* ==================== 浮动按钮 - 玻璃效果 ==================== */
/*.float-cta {position:fixed;right:30px;bottom:100px;z-index:999;display:flex;flex-direction:column;gap:20px;}
.float-btn {width:70px;height:70px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;text-decoration:none;backdrop-filter:blur(10px);background:rgba(22,33,62,0.8);border:1px solid rgba(212,175,55,0.3);box-shadow:0 10px 40px rgba(0,0,0,0.3);transition:var(--transition-bounce);position:relative;font-size:1.6rem;}
.float-btn-phone {background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));color:var(--primary-dark);border:none;}
.float-btn:hover {transform:scale(1.15) translateY(-5px);box-shadow:0 20px 60px rgba(212,175,55,0.4);}
.float-tooltip {position:absolute;right:85px;background:rgba(22,33,62,0.95);color:var(--star-white);padding:12px 24px;border-radius:12px;font-size:0.9rem;white-space:nowrap;opacity:0;visibility:hidden;transition:var(--transition-smooth);box-shadow:0 10px 40px rgba(0,0,0,0.3);border:1px solid rgba(212,175,55,0.2);backdrop-filter:blur(10px);}
.float-btn:hover .float-tooltip {opacity:1;visibility:visible;transform:translateX(-10px);}*/
/* ==================== 响应式设计 ==================== */
@media (max-width:1400px) {.masonry-gallery {grid-template-columns:repeat(3,1fr);}
.gallery-item:nth-child(1) {grid-column:span 2;}
.gallery-item:nth-child(4) {grid-column:span 1;}
.gallery-item:nth-child(6) {grid-column:span 2;}
}
@media (max-width:1200px) {.case-hero-content {grid-template-columns:1fr;text-align:center;}
.hero-right {display:none;}
.case-title {font-size:3.5rem;}
.case-desc {margin:0 auto 40px;}
.case-meta-horizontal {justify-content:center;}
.tech-grid {grid-template-columns:repeat(2,1fr);}
.stats-grid {grid-template-columns:repeat(2,1fr);gap:40px;}
}
@media (max-width:1024px) {.header-inner {padding:0 30px;}
/*.nav-menu {position:fixed;top:0;right:-100%;width:80%;max-width:400px;height:100vh;background:rgba(5,5,8,0.98);flex-direction:column;padding:100px 40px;gap:30px;transition:right 0.5s cubic-bezier(0.16,1,0.3,1);backdrop-filter:blur(20px);}*/
.nav-menu.active {right:0;}
.mobile-menu-btn {display:flex;}
.masonry-gallery {grid-template-columns:repeat(2,1fr);}
.gallery-item:nth-child(1),.gallery-item:nth-child(4),.gallery-item:nth-child(6) {grid-column:span 2;}
.section-title {font-size:2.5rem;}
.cta-title {font-size:2.5rem;}
.cta-phone {font-size:2rem;}
}
@media (max-width:768px) {.case-hero-content {padding:0 30px;}
.case-title {font-size:2.5rem;}
.case-meta-horizontal {/*flex-direction:column;gap:20px;*/align-items:center;display: flex;flex-wrap: wrap;justify-content: space-around;}
.masonry-gallery {grid-template-columns:1fr;padding:0 20px;}
.gallery-item {grid-column:span 1 !important;grid-row:span 6 !important;}
.tech-grid {grid-template-columns:1fr;padding:0 30px;}
.stats-grid {display: flex;flex-wrap: wrap;justify-content: space-between;}
.stat-item {text-align:center;color:var(--primary-dark);width:40%;}
.compare-slider {height:400px;}
.float-cta {right:20px;bottom:80px;}
.float-btn {width:55px;height:55px;font-size:1.3rem;}
/*缩小手机端各版块间距*/
.gallery-section {padding:30px 0;position:relative;overflow:hidden;}
.compare-section {padding:30px 0;background:linear-gradient(180deg,var(--primary-dark) 0%,var(--deep-space) 50%,var(--primary-dark) 100%);position:relative;overflow:hidden;}
.video-section {padding:30px 0;position:relative;}
.tech-section {padding:30px 0;position:relative;overflow:hidden;}
.cta-section {padding:30px 0;position:relative;overflow:hidden;text-align:center;}
.section-header {text-align:center;margin-bottom:30px;position:relative;}
.video-title-overlay h3 {font-size:1.5rem;font-weight:700;color:var(--star-white);margin-bottom:8px;}
.stats-section {padding:50px 0;background:linear-gradient(90deg,var(--gold-primary),var(--gold-dark));position:relative;overflow:hidden;}
}
@media (max-width:480px) {.case-title {font-size:2rem;letter-spacing:-1px;}
.section-title {font-size:1.8rem;}
.btn-primary,.btn-outline {width:100%;justify-content:center;}
.gallery-tabs {flex-direction:column;align-items:center;}
.gallery-tab {width:100%;max-width:280px;}
}