/* ===== AI视觉化增强样式 ===== */
:root {
  --neon-cyan: #00f0ff;
  --neon-purple: #b14aff;
  --neon-blue: #4d8fff;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.12);
}

/* 导航栏 */
.navbar { background: rgba(13,27,42,0.75) !important; backdrop-filter: blur(20px) saturate(180%); border-bottom: 1px solid rgba(255,255,255,0.08); box-shadow: 0 1px 30px rgba(0,240,255,0.06); }
.navbar .logo .icon { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-purple)) !important; box-shadow: 0 0 20px rgba(0,240,255,0.3); animation: logoPulse 3s ease-in-out infinite; }
@keyframes logoPulse { 0%,100%{box-shadow:0 0 15px rgba(0,240,255,0.3)} 50%{box-shadow:0 0 30px rgba(0,240,255,0.6)} }
.navbar .nav-links .btn { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)); box-shadow: 0 0 15px rgba(0,240,255,0.25); transition: all 0.3s; }
.navbar .nav-links .btn:hover { box-shadow: 0 0 25px rgba(0,240,255,0.5); transform: translateY(-1px); }

/* Hero首屏 */
.hero { min-height: 100vh; background: radial-gradient(ellipse at 30% 20%,#0a1530 0%,#0d1b2a 50%,#060e1a 100%); color: white; padding-top: 64px; position: relative; overflow: hidden; }
#hero-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }

.hero-blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.4; pointer-events: none; animation: blobFloat 8s ease-in-out infinite; }
.hero-blob.blob1 { width: 400px; height: 400px; background: var(--neon-cyan); top: 10%; left: -10%; }
.hero-blob.blob2 { width: 350px; height: 350px; background: var(--neon-purple); top: 40%; right: -8%; animation-delay: 2s; }
.hero-blob.blob3 { width: 300px; height: 300px; background: var(--neon-blue); bottom: 5%; left: 30%; animation-delay: 4s; }
@keyframes blobFloat { 0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(40px,-30px) scale(1.1)} 66%{transform:translate(-30px,40px) scale(0.95)} }

.hero-scanline { position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg,transparent,var(--neon-cyan),transparent); opacity: 0.5; animation: scanLine 4s linear infinite; z-index: 1; }
@keyframes scanLine { 0%{top:0} 100%{top:100%} }

.hero-content { max-width: 1200px; margin: 0 auto; padding: 80px 40px; position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 18px; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 50px; font-size: 13px; color: var(--neon-cyan); margin-bottom: 24px; backdrop-filter: blur(10px); opacity: 0; animation: fadeInUp 0.8s ease 0.2s forwards; }
.hero-badge .dot { width: 8px; height: 8px; background: var(--neon-cyan); border-radius: 50%; box-shadow: 0 0 10px var(--neon-cyan); animation: dotBlink 1.5s ease-in-out infinite; }
@keyframes dotBlink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero h1 { font-size: 52px; font-weight: 800; letter-spacing: 2px; margin-bottom: 20px; line-height: 1.25; opacity: 0; animation: fadeInUp 0.8s ease 0.4s forwards; }
.hero h1 .highlight { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; position: relative; }
.hero h1 .highlight::after { content: ''; position: absolute; bottom: 2px; left: 0; right: 0; height: 3px; background: linear-gradient(90deg,var(--neon-cyan),var(--neon-purple)); opacity: 0.5; filter: blur(3px); }
.hero .subtitle { font-size: 19px; margin-bottom: 40px; max-width: 680px; line-height: 1.8; color: rgba(255,255,255,0.75); opacity: 0; animation: fadeInUp 0.8s ease 0.6s forwards; }

.hero-actions { display: flex; gap: 16px; opacity: 0; animation: fadeInUp 0.8s ease 0.8s forwards; }
.hero-actions .btn-primary { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)) !important; box-shadow: 0 0 30px rgba(0,240,255,0.3); border: 1px solid rgba(0,240,255,0.3); transition: all 0.3s; }
.hero-actions .btn-primary:hover { box-shadow: 0 0 50px rgba(0,240,255,0.6); transform: translateY(-2px); }
.hero-actions .btn-outline { background: var(--glass-bg) !important; color: white !important; border: 1px solid var(--glass-border) !important; backdrop-filter: blur(10px); transition: all 0.3s; }
.hero-actions .btn-outline:hover { background: rgba(255,255,255,0.1) !important; border-color: var(--neon-cyan) !important; box-shadow: 0 0 20px rgba(0,240,255,0.2); }

.hero-stats { display: flex; gap: 50px; margin-top: 60px; opacity: 0; animation: fadeInUp 0.8s ease 1s forwards; }
.hero-stat { position: relative; padding-left: 16px; border-left: 2px solid rgba(0,240,255,0.3); }
.hero-stat .num { font-size: 38px; font-weight: 800; background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-stat .label { font-size: 13px; opacity: 0.6; text-transform: uppercase; letter-spacing: 1px; }

/* 5维雷达图动画 */
.hero-radar { position: absolute; right: 5%; top: 50%; transform: translateY(-50%); width: 420px; height: 420px; opacity: 0; animation: fadeInScale 1.2s ease 1.2s forwards; z-index: 1; }
.hero-radar svg { width: 100%; height: 100%; }
.hero-radar .radar-ring { fill: none; stroke: rgba(0,240,255,0.15); stroke-width: 1; animation: ringPulse 3s ease-in-out infinite; }
.hero-radar .radar-ring:nth-child(2) { animation-delay: 0.5s; }
.hero-radar .radar-ring:nth-child(3) { animation-delay: 1s; }
.hero-radar .radar-ring:nth-child(4) { animation-delay: 1.5s; }
@keyframes ringPulse { 0%,100%{opacity:0.15} 50%{opacity:0.4} }
.hero-radar .radar-data { fill: rgba(0,240,255,0.12); stroke: var(--neon-cyan); stroke-width: 2; filter: drop-shadow(0 0 8px rgba(0,240,255,0.4)); animation: radarDataPulse 4s ease-in-out infinite; }
@keyframes radarDataPulse { 0%,100%{opacity:0.6} 50%{opacity:1} }
.hero-radar .radar-axis { stroke: rgba(255,255,255,0.08); stroke-width: 1; }
.hero-radar .radar-label { fill: rgba(255,255,255,0.5); font-size: 11px; font-weight: 600; }

/* AI数据流条 */
.hero-datablob { position: absolute; bottom: 10%; left: 5%; display: flex; gap: 6px; align-items: flex-end; opacity: 0; animation: fadeIn 1s ease 1.5s forwards; z-index: 1; }
.hero-datablob .bar { width: 4px; background: linear-gradient(to top,var(--neon-cyan),transparent); border-radius: 2px; animation: barWave 1s ease-in-out infinite; }
.hero-datablob .bar:nth-child(1){height:20px;animation-delay:0s}
.hero-datablob .bar:nth-child(2){height:35px;animation-delay:0.1s}
.hero-datablob .bar:nth-child(3){height:50px;animation-delay:0.2s}
.hero-datablob .bar:nth-child(4){height:30px;animation-delay:0.3s}
.hero-datablob .bar:nth-child(5){height:45px;animation-delay:0.4s}
.hero-datablob .bar:nth-child(6){height:25px;animation-delay:0.5s}
.hero-datablob .bar:nth-child(7){height:40px;animation-delay:0.6s}
@keyframes barWave { 0%,100%{transform:scaleY(0.4)} 50%{transform:scaleY(1)} }

@keyframes fadeInUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeInScale { from{opacity:0;transform:translateY(-50%) scale(0.8)} to{opacity:1;transform:translateY(-50%) scale(1)} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

/* 5维模型区域 */
.model-section { padding: 100px 40px; max-width: 1200px; margin: 0 auto; }
.model-section h2 { font-size: 34px; color: var(--primary); text-align: center; margin-bottom: 12px; font-weight: 800; }
.model-section .sub { text-align: center; color: var(--text-muted); margin-bottom: 48px; font-size: 15px; }
.model-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.model-card { background: white; border-radius: 16px; padding: 28px 16px; text-align: center; box-shadow: 0 4px 24px rgba(0,0,0,0.06); border: 1px solid var(--border); transition: all 0.4s cubic-bezier(0.2,0.8,0.2,1); position: relative; overflow: hidden; }
.model-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg,var(--neon-cyan),var(--neon-purple)); transform: scaleX(0); transition: transform 0.4s; transform-origin: left; }
.model-card:hover { transform: translateY(-8px); box-shadow: 0 12px 40px rgba(0,240,255,0.15); border-color: rgba(0,240,255,0.3); }
.model-card:hover::before { transform: scaleX(1); }
.model-card .icon { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg,var(--primary),var(--primary-light)); color: white; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 700; margin: 0 auto 16px; transition: all 0.3s; }
.model-card:hover .icon { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)); box-shadow: 0 0 20px rgba(0,240,255,0.4); transform: scale(1.1); }
.model-card h3 { font-size: 15px; color: var(--primary); margin-bottom: 6px; font-weight: 700; }
.model-card p { font-size: 12px; color: var(--text-light); line-height: 1.6; margin-bottom: 8px; }
.model-card .tags { margin-top: 10px; }
.model-card .tag { font-size: 10px; padding: 2px 8px; margin: 2px; background: #eef4fb; color: var(--accent); border-radius: 10px; }

/* ===== 报告预览（太空探索镜头感） ===== */
.report-preview-section { background: radial-gradient(ellipse at 50% 40%,#0d1f44 0%,#070e24 50%,#020408 100%); padding: 120px 40px; position: relative; overflow: hidden; }
.report-preview-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg,transparent,var(--neon-cyan) 30%,var(--neon-purple) 70%,transparent); opacity: 0.5; box-shadow: 0 0 12px rgba(0,240,255,0.3); }
.report-preview-section::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg,transparent,rgba(0,240,255,0.4) 40%,rgba(177,74,255,0.4) 60%,transparent); opacity: 0.3; }
.stars-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.report-preview-inner { max-width: 1000px; margin: 0 auto; position: relative; z-index: 1; }
.report-preview-section h2 { font-size: 36px; color: white; text-align: center; margin-bottom: 12px; font-weight: 800; text-shadow: 0 0 30px rgba(0,240,255,0.3); letter-spacing: 1px; }
.report-preview-section .sub { text-align: center; color: rgba(255,255,255,0.45); margin-bottom: 48px; font-size: 15px; }
.report-preview-section .chapter-item { background: rgba(0,20,50,0.5) !important; border-color: rgba(0,240,255,0.1) !important; backdrop-filter: blur(4px); }
.report-preview-section .chapter-item:hover { background: rgba(0,240,255,0.08) !important; border-color: rgba(0,240,255,0.3) !important; box-shadow: 0 0 20px rgba(0,240,255,0.1); }
.report-chapters { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.chapter-item { display: flex; gap: 16px; align-items: flex-start; padding: 16px 20px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; transition: all 0.3s; }
.chapter-item:hover { background: rgba(0,240,255,0.06); border-color: rgba(0,240,255,0.2); transform: translateX(4px); }
.chapter-num { flex-shrink: 0; width: 32px; height: 32px; border-radius: 8px; background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)); color: #0d1b2a; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; }
.chapter-info { flex: 1; min-width: 0; }
.chapter-page { font-size: 14px; font-weight: 700; color: white; margin-bottom: 4px; }
.chapter-desc { font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* ===== 价值主张 ===== */
.value-props-section { padding: 100px 40px; max-width: 1200px; margin: 0 auto; }
.value-props-section h2 { font-size: 34px; color: var(--primary); text-align: center; margin-bottom: 12px; font-weight: 800; }
.value-props-section .sub { text-align: center; color: var(--text-muted); margin-bottom: 48px; font-size: 15px; }
.value-props-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.value-prop-card { background: white; border-radius: 16px; padding: 32px 28px; box-shadow: 0 4px 24px rgba(0,0,0,0.05); border: 1px solid var(--border); transition: all 0.3s; position: relative; overflow: hidden; }
.value-prop-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 0; background: linear-gradient(180deg,transparent,rgba(0,240,255,0.04)); transition: height 0.4s; }
.value-prop-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,240,255,0.12); border-color: rgba(0,240,255,0.2); }
.value-prop-card:hover::before { height: 100%; }
.value-prop-card .vp-icon { font-size: 36px; margin-bottom: 16px; }
.value-prop-card h3 { font-size: 17px; color: var(--primary); margin-bottom: 8px; font-weight: 700; }
.value-prop-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* 使用流程 */
.steps-section { background: linear-gradient(180deg,#f8fafc 0%,#eef4fb 100%); padding: 100px 40px; position: relative; overflow: hidden; }
.steps-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg,transparent,var(--neon-cyan),transparent); opacity: 0.3; }
.steps-inner { max-width: 1200px; margin: 0 auto; }
.steps-inner h2 { font-size: 34px; color: var(--primary); text-align: center; margin-bottom: 12px; font-weight: 800; }
.steps-inner .sub { text-align: center; color: var(--text-muted); margin-bottom: 48px; font-size: 15px; }
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.step-card { background: white; border-radius: 16px; padding: 32px 24px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); position: relative; transition: all 0.3s; border: 1px solid transparent; }
.step-card:hover { border-color: rgba(0,240,255,0.3); box-shadow: 0 8px 30px rgba(0,240,255,0.1); transform: translateY(-4px); }
.step-card .step-num { position: absolute; top: -14px; left: 24px; width: 36px; height: 36px; background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)); color: white; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; box-shadow: 0 4px 12px rgba(0,240,255,0.3); }
.step-card h3 { font-size: 16px; color: var(--primary); margin: 14px 0 8px; font-weight: 700; }
.step-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }
.step-card .step-icon { font-size: 28px; margin-top: 12px; opacity: 0.15; }

/* 案例 - 走马灯自动滚动 */
.case-section { padding: 100px 40px; max-width: 1280px; margin: 0 auto; position: relative; }
.case-section h2 { font-size: 34px; color: var(--primary); text-align: center; margin-bottom: 8px; font-weight: 800; }
.case-section .sub { text-align: center; color: var(--text-muted); margin-bottom: 40px; font-size: 15px; }
.case-scroll-wrapper { position: relative; overflow: hidden; -webkit-mask-image: linear-gradient(90deg,transparent 0%,#000 4%,#000 96%,transparent 100%); mask-image: linear-gradient(90deg,transparent 0%,#000 4%,#000 96%,transparent 100%); }
.case-scroll { display: flex; gap: 20px; width: max-content; animation: marquee 40s linear infinite; }
.case-scroll:hover { animation-play-state: paused; }
@keyframes marquee { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }
.case-card { min-width: 320px; max-width: 320px; flex-shrink: 0; background: white; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 24px rgba(0,0,0,0.06); border: 1px solid var(--border); transition: all 0.3s; }
.case-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); border-color: rgba(0,240,255,0.3); }
.case-card .case-header { padding: 24px 28px; background: linear-gradient(135deg,var(--primary),var(--primary-light)); color: white; position: relative; overflow: hidden; }
.case-card .case-header::before { content: ''; position: absolute; top: -50%; right: -30%; width: 200px; height: 200px; background: radial-gradient(circle,rgba(0,240,255,0.1) 0%,transparent 70%); pointer-events: none; }
.case-card .case-header .brand { font-size: 18px; font-weight: 700; position: relative; z-index: 1; }
.case-card .case-header .score { font-size: 13px; opacity: 0.8; margin-top: 4px; position: relative; z-index: 1; }
.case-card .case-body { padding: 18px 20px; }
.case-card .case-body .dim-score { display: flex; justify-content: space-between; align-items: center; padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.case-card .case-body .dim-score:last-child { border-bottom: none; }
.case-card .case-body .dim-score .label { color: var(--text-light); white-space: nowrap; }
.case-card .case-body .dim-score .val { font-weight: 700; }
.case-card .case-body .dim-score .bar-mini { flex: 1; height: 4px; background: #eef2f7; border-radius: 2px; margin: 0 12px; overflow: hidden; }
.case-card .case-body .dim-score .bar-mini-fill { height: 100%; border-radius: 2px; background: linear-gradient(90deg,var(--neon-cyan),var(--neon-blue)); transition: width 1s ease; }
.case-view-link { display: block; margin-top: 12px; text-align: center; font-size: 13px; color: var(--accent); text-decoration: none; padding: 6px; border-top: 1px solid var(--border); transition: color 0.2s; }
.case-view-link:hover { color: var(--neon-cyan); }

/* ===== 用户评价（走马灯动效） ===== */
.testimonials-section { background: linear-gradient(180deg,#f8fafc 0%,#eef4fb 100%); padding: 100px 40px; }
.testimonials-inner { max-width: 1280px; margin: 0 auto; }
.testimonials-section h2 { font-size: 34px; color: var(--primary); text-align: center; margin-bottom: 12px; font-weight: 800; }
.testimonials-section .sub { text-align: center; color: var(--text-muted); margin-bottom: 48px; font-size: 15px; }
.testimonials-scroll-wrapper { position: relative; overflow: hidden; -webkit-mask-image: linear-gradient(90deg,transparent 0%,#000 4%,#000 96%,transparent 100%); mask-image: linear-gradient(90deg,transparent 0%,#000 4%,#000 96%,transparent 100%); }
.testimonials-scroll { display: flex; gap: 20px; width: max-content; animation: marqueeSlow 50s linear infinite; }
.testimonials-scroll:hover { animation-play-state: paused; }
@keyframes marqueeSlow { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }
.testimonial-card { min-width: 360px; max-width: 360px; flex-shrink: 0; background: white; border-radius: 16px; padding: 28px 24px; box-shadow: 0 4px 24px rgba(0,0,0,0.05); border: 1px solid var(--border); transition: all 0.3s; }
.testimonial-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); border-color: rgba(0,240,255,0.3); }
.testimonial-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.testimonial-avatar { width: 44px; height: 44px; border-radius: 12px; color: white; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; flex-shrink: 0; }
.testimonial-stars { display: flex; gap: 2px; }
.testimonial-card .star { font-size: 16px; color: #ddd; }
.testimonial-card .star.filled { color: #f5a623; }
.testimonial-card .testimonial-content { font-size: 14px; color: var(--text); line-height: 1.8; margin-bottom: 20px; }
.testimonial-card .testimonial-author { display: flex; flex-direction: column; gap: 2px; }
.testimonial-card .author-name { font-size: 15px; font-weight: 700; color: var(--primary); }
.testimonial-card .author-role { font-size: 13px; color: var(--text-muted); }

/* 价格 */
.pricing-section { background: #0d1b2a; padding: 100px 40px; }
.pricing-inner { max-width: 1200px; margin: 0 auto; }
.pricing-section h2 { font-size: 34px; color: white; text-align: center; margin-bottom: 12px; font-weight: 800; }
.pricing-section .sub { text-align: center; color: rgba(255,255,255,0.5); margin-bottom: 48px; font-size: 15px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; align-items: start; }
.price-card { background: rgba(255,255,255,0.04); border-radius: 16px; padding: 36px; box-shadow: none; text-align: center; border: 2px solid rgba(255,255,255,0.08); transition: all 0.3s; position: relative; }
.price-card:hover { transform: translateY(-4px); border-color: rgba(0,240,255,0.2); background: rgba(255,255,255,0.06); }
.price-card.featured { border-color: var(--neon-cyan); transform: scale(1.05); box-shadow: 0 8px 40px rgba(0,240,255,0.15); background: rgba(0,240,255,0.04); }
.price-card.featured:hover { transform: scale(1.05) translateY(-4px); }
.price-card .price-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); padding: 4px 16px; background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)); color: #0d1b2a; border-radius: 50px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.price-card .name { font-size: 18px; font-weight: 700; color: white; }
.price-card .price { font-size: 36px; font-weight: 700; margin: 12px 0; min-height: 50px; display: flex; align-items: center; justify-content: center; }
.price-card .price .price-num { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.price-card .price .price-free { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.price-card .price .unit { font-size: 14px; color: rgba(255,255,255,0.4); -webkit-text-fill-color: rgba(255,255,255,0.4); }
.price-card .features { list-style: none; margin: 20px 0; text-align: left; }
.price-card .features li { padding: 6px 0; font-size: 13px; color: rgba(255,255,255,0.6); }
.price-card .price-note { margin-top: 12px; font-size: 12px; color: rgba(255,255,255,0.3); }
.price-card .btn-primary { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)) !important; color: #0d1b2a !important; border: none; }
.price-card .btn-outline { background: transparent !important; color: white !important; border: 1px solid rgba(255,255,255,0.2) !important; }
.price-card .btn-outline:hover { background: rgba(255,255,255,0.08) !important; border-color: var(--neon-cyan) !important; }

/* ===== FAQ ===== */
.faq-section { padding: 100px 40px; max-width: 1200px; margin: 0 auto; }
.faq-section h2 { font-size: 34px; color: var(--primary); text-align: center; margin-bottom: 32px; font-weight: 800; }
.faq-categories { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.faq-cat-btn { padding: 7px 20px; border-radius: 50px; border: 1px solid var(--border); background: white; color: var(--text-light); font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.3s; }
.faq-cat-btn:hover { border-color: rgba(0,240,255,0.3); color: var(--accent); }
.faq-cat-btn.active { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)); color: #0d1b2a; border-color: transparent; box-shadow: 0 2px 12px rgba(0,240,255,0.25); }
.faq-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.faq-item { background: white; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.04); border: 1px solid var(--border); transition: all 0.3s; }
.faq-item:hover { border-color: rgba(0,240,255,0.2); box-shadow: 0 4px 20px rgba(0,240,255,0.08); }
.faq-q { display: flex; align-items: center; gap: 10px; padding: 18px 20px; cursor: pointer; user-select: none; }
.faq-cat-tag { flex-shrink: 0; padding: 3px 10px; border-radius: 6px; background: #eef4fb; color: var(--accent); font-size: 11px; font-weight: 600; white-space: nowrap; }
.faq-q-text { flex: 1; font-size: 14px; font-weight: 600; color: var(--primary); }
.faq-toggle { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; background: #eef4fb; color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; transition: all 0.3s; }
.faq-q:hover .faq-toggle { background: var(--neon-cyan); color: #0d1b2a; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.faq-a.open { max-height: 300px; padding: 0 20px 18px; }
.faq-a p { font-size: 13px; color: var(--text-light); line-height: 1.8; }

/* ===== 最终CTA ===== */
.final-cta-section { background: radial-gradient(ellipse at center,#0a1530 0%,#0d1b2a 100%); padding: 100px 40px; text-align: center; position: relative; overflow: hidden; }
.final-cta-section::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 600px; height: 600px; background: radial-gradient(circle,rgba(0,240,255,0.05) 0%,transparent 70%); pointer-events: none; }
.final-cta-inner { position: relative; z-index: 1; }
.final-cta-section h2 { font-size: 36px; color: white; font-weight: 800; margin-bottom: 16px; }
.final-cta-section p { font-size: 17px; color: rgba(255,255,255,0.6); margin-bottom: 32px; }
.final-cta-btn { background: linear-gradient(135deg,var(--neon-cyan),var(--neon-blue)) !important; box-shadow: 0 0 40px rgba(0,240,255,0.3); border: 1px solid rgba(0,240,255,0.3); font-size: 17px; padding: 16px 48px; transition: all 0.3s; }
.final-cta-btn:hover { box-shadow: 0 0 60px rgba(0,240,255,0.6); transform: translateY(-2px); }
.final-cta-note { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,0.3); }

.footer { background: var(--primary); color: rgba(255,255,255,0.7); padding: 40px; text-align: center; font-size: 13px; }
.footer a { color: rgba(255,255,255,0.8); }

/* 滚动渐入 */
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.2,0.8,0.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media(max-width:1024px){
  .model-grid { grid-template-columns: repeat(3,1fr); }
  .value-props-grid { grid-template-columns: repeat(2,1fr); }
  .report-chapters { grid-template-columns: 1fr; }
  .faq-list { grid-template-columns: repeat(2,1fr); }
  .hero-content { padding: 60px 32px; }
  .hero h1 { font-size: 42px; }
  .hero-radar { width: 320px; height: 320px; opacity: 0.3; }
  .case-card { min-width: 280px; max-width: 280px; }
  .testimonial-card { min-width: 300px; max-width: 300px; }
}

@media(max-width:768px){
  /* Hero */
  .hero { min-height: auto; padding-bottom: 60px; }
  .hero-content { padding: 80px 20px 40px; }
  .hero h1 { font-size: 28px; letter-spacing: 0.5px; }
  .hero .subtitle { font-size: 15px; margin-bottom: 28px; }
  .hero-actions { flex-direction: column; gap: 12px; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { flex-direction: row; gap: 24px; margin-top: 36px; justify-content: flex-start; flex-wrap: wrap; }
  .hero-stat .num { font-size: 28px; }
  .hero-stat .label { font-size: 11px; }
  .hero-radar { display: none; }
  .hero-datablob { display: none; }
  .hero-blob { opacity: 0.2; }
  .hero-blob.blob1 { width: 200px; height: 200px; }
  .hero-blob.blob2 { width: 180px; height: 180px; }
  .hero-blob.blob3 { width: 150px; height: 150px; }

  /* 5维模型 */
  .model-section { padding: 60px 16px; }
  .model-section h2 { font-size: 26px; }
  .model-grid,.steps,.case-grid,.pricing-grid,.value-props-grid { grid-template-columns: 1fr; }
  .model-card { padding: 20px 16px; }

  /* 报告预览 */
  .report-preview-section { padding: 60px 16px; }
  .report-preview-section h2 { font-size: 26px; }
  .report-chapters { grid-template-columns: 1fr; }

  /* 价值主张 */
  .value-props-section { padding: 60px 16px; }
  .value-props-section h2 { font-size: 26px; }
  .value-prop-card { padding: 24px 20px; }

  /* 使用流程 */
  .steps-section { padding: 60px 16px; }
  .steps-inner h2 { font-size: 26px; }
  .step-card { padding: 24px 20px; }

  /* 案例 */
  .case-section { padding: 60px 16px; }
  .case-section h2 { font-size: 26px; }
  .case-scroll { animation: marquee 25s linear infinite; }
  .case-card { min-width: 260px; max-width: 260px; }

  /* 用户评价 */
  .testimonials-section { padding: 60px 16px; }
  .testimonials-section h2 { font-size: 26px; }
  .testimonials-scroll { animation: marqueeSlow 30s linear infinite; }
  .testimonial-card { min-width: 280px; max-width: 280px; padding: 24px 20px; }

  /* 价格 */
  .pricing-section { padding: 60px 16px; }
  .pricing-section h2 { font-size: 26px; }
  .price-card { padding: 24px 20px; }
  .price-card.featured { transform: none; }
  .price-card.featured:hover { transform: translateY(-4px); }

  /* FAQ */
  .faq-section { padding: 60px 16px; }
  .faq-section h2 { font-size: 26px; }
  .faq-list { grid-template-columns: 1fr; }

  /* 最终CTA */
  .final-cta-section { padding: 60px 16px; }
  .final-cta-section h2 { font-size: 24px; }
  .final-cta-section p { font-size: 15px; }
  .final-cta-btn { font-size: 15px; padding: 14px 32px; }

  /* Footer */
  .footer { padding: 24px 16px; font-size: 12px; }
}

@media(max-width:480px){
  .hero h1 { font-size: 24px; }
  .hero .subtitle { font-size: 14px; }
  .hero-stats { gap: 16px; }
  .hero-stat .num { font-size: 24px; }
  .model-section h2, .report-preview-section h2, .value-props-section h2,
  .steps-inner h2, .case-section h2, .testimonials-section h2,
  .pricing-section h2, .faq-section h2, .final-cta-section h2 { font-size: 22px; }
  .case-card { min-width: 240px; max-width: 240px; }
  .testimonial-card { min-width: 260px; max-width: 260px; }
  .price-card .price { font-size: 30px; }
}

/* ===== 案例卡片可点击 ===== */
.case-card.case-clickable { cursor: pointer; position: relative; transition: all 0.35s cubic-bezier(0.22,1,0.36,1); border: 1px solid transparent; }
.case-card.case-clickable:hover { transform: translateY(-6px) scale(1.02); border-color: rgba(0,240,255,0.35); box-shadow: 0 12px 40px rgba(0,240,255,0.15), 0 0 0 1px rgba(0,240,255,0.1); }
.case-card-hint { position: absolute; top: 10px; right: 12px; font-size: 11px; color: rgba(0,240,255,0.5); opacity: 0; transition: opacity 0.3s; }
.case-card.case-clickable:hover .case-card-hint { opacity: 1; }

/* 案例卡片内部重构 */
.case-card .case-tag-full { font-size: 10px; padding: 2px 8px; border-radius: 10px; background: rgba(0,240,255,0.12); color: var(--neon-cyan); border: 1px solid rgba(0,240,255,0.25); }
.case-card .case-tag-preview { font-size: 10px; padding: 2px 8px; border-radius: 10px; background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.4); border: 1px solid rgba(255,255,255,0.1); }
.case-score-big { font-size: 32px; font-weight: 800; color: white; line-height: 1; margin: 10px 0 2px; }
.case-score-big .unit { font-size: 14px; font-weight: 400; color: rgba(255,255,255,0.4); margin-left: 2px; }
.case-industry { font-size: 12px; color: rgba(255,255,255,0.45); margin-bottom: 12px; }
.case-card .case-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.case-card .case-header .brand { font-size: 16px; font-weight: 700; color: white; }

