@charset "UTF-8";
 :root {
            /* Color Palette (Apple Light Mode Aesthetic) */
            --bg-dark: #F5F5F7;
            /* Apple Off-White Background */
            --bg-card: rgba(255, 255, 255, 0.8);
            /* White with transparency for glassmorphism */
            --bg-card-hover: rgba(255, 255, 255, 0.95);
            --text-primary: #1D1D1F;
            /* Apple Standard Dark Text */
            --text-secondary: #86868B;
            --accent-primary: #0071E3;
            /* Apple Blue */
            --accent-secondary: #0077ED;
            /* Lighter Apple Blue */
            --accent-gradient: linear-gradient(135deg, #0071E3 0%, #00AAFF 100%);
            --accent-gradient-hover: linear-gradient(135deg, #0077ED 0%, #33B5FF 100%);
            --warning: #FF9F0A;
            /* Apple Orange/Warning */
            --success: #34C759;
            /* Apple Green */
            --danger: #FF3B30;
            /* Apple Red */

            /* Typography */
            --font-sans: 'SF Pro Display', 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;

            /* Spacing & Layout */
            --container-width: 1200px;
            --section-padding: 6rem 2rem;
            --border-radius-lg: 1.5rem;
            --border-radius-md: 1rem;
            --border-radius-sm: 0.5rem;

            /* Shadows & Glass */
            --shadow-glow: 0 4px 14px 0 rgba(0, 113, 227, 0.39);
            --shadow-glow-hover: 0 6px 20px rgba(0, 119, 237, 0.5);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
            --glass-border: 1px solid rgba(0, 0, 0, 0.05);
        }
* {margin: 0; padding: 0; box-sizing: border-box; }
body {font-family: var(--font-sans); background-color: var(--bg-dark); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
.container {max-width: var(--container-width); margin: 0 auto; position: relative; }
		
/* Buttons */
.btn {display: inline-flex; align-items: center; justify-content: center; padding: 1rem 2.5rem; border-radius: 3rem; font-weight: 700; font-size: 1.125rem; text-decoration: none; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); cursor: pointer; border: none; }
.btn-primary {background: var(--accent-gradient); color: white; box-shadow: var(--shadow-glow); }
.btn-primary:hover {transform: translateY(-2px); box-shadow: var(--shadow-glow-hover); background: var(--accent-gradient-hover); }
.btn-secondary {background: rgba(0, 0, 0, 0.05); color: var(--text-primary); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: var(--glass-border); }
.btn-secondary:hover {background: rgba(0, 0, 0, 0.08); transform: translateY(-2px); }
		
/* Typography Styles */
.section-title {text-align: center; font-size: 3rem; font-weight: 800; margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.section-subtitle {text-align: center; color: #52565e; font-size: 1.25rem; margin-bottom: 4rem; max-width: 800px; margin-left: auto; margin-right: auto; line-height: 1.5; }
.text-gradient {background: linear-gradient(to right, #1D1D1F, #434345); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.text-accent {color: var(--accent-primary); }
		
/* Hero Section */
.hero {padding: 8rem 2rem 6rem; min-height: 85vh; display: flex; align-items: center; position: relative; overflow: hidden; text-align: center; }
.hero-bg-glow {position: absolute; width: 1000px; height: 1000px; background: radial-gradient(circle, rgba(0, 113, 227, 0.06) 0%, rgba(52, 199, 89, 0.03) 40%, transparent 70%); top: -300px; left: 50%; transform: translateX(-50%); border-radius: 50%; z-index: 0; filter: blur(80px); pointer-events: none; }
.hero-content {position: relative; z-index: 10; max-width: 900px; margin: 0 auto; }
.status-badge {display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(255, 59, 48, 0.1); color: var(--danger); padding: 0.5rem 1rem; border-radius: 2rem; font-weight: 600; font-size: 0.875rem; margin-bottom: 2rem; border: 1px solid rgba(255, 59, 48, 0.2); animation: pulse-danger 2s infinite; }
@keyframes pulse-danger {0% {box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.4); }
70% {box-shadow: 0 0 0 10px rgba(255, 59, 48, 0); }
100% {box-shadow: 0 0 0 0 rgba(255, 59, 48, 0); }
}
.hero-text h1 {font-size: 3.5rem; line-height: 1.4; font-weight: 900; margin-bottom: 1.5rem; letter-spacing: -0.03em; }
.hero-text p {font-size: 1.3rem; color: #52565e; margin-bottom: 3rem; }
.hero-cta-group {display: flex; gap: 1.5rem; justify-content: center; align-items: center; flex-wrap: wrap; margin-bottom: 4rem; }
/* Abstract UI Mockup in Hero */
.scanner-visual {max-width: 600px; margin: 0 auto; background: var(--bg-card); border-radius: var(--border-radius-lg); padding: 2.5rem; box-shadow: var(--shadow-card); border: var(--glass-border); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); display: flex; flex-direction: column; align-items: center; position: relative; }
.scan-ring-container {width: 200px; height: 200px; position: relative; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; }
.scan-ring {position: absolute; inset: 0; border-radius: 50%; border: 8px solid rgba(0, 0, 0, 0.05); border-top-color: var(--accent-primary); animation: spin 3s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite; }
.scan-ring-inner {position: absolute; inset: 15px; border-radius: 50%; border: 4px solid rgba(0, 0, 0, 0.03); border-bottom-color: var(--success); animation: spin 2s linear infinite reverse; }
.scan-content {text-align: center; z-index: 2; }
.scan-number {font-size: 3rem; font-weight: 800; color: var(--text-primary); line-height: 1; margin-bottom: 0.25rem; }
.scan-label {color: #52565e; font-size: 0.875rem; font-weight: 500; }
@keyframes spin {to {transform: rotate(360deg); }
}
.finding-items {width: 100%; margin-top: 1.5rem; }
.finding-item {display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 0; border-bottom: 1px solid rgba(0, 0, 0, 0.05); font-size: 0.875rem; color: #52565e; }
.finding-item:last-child {border-bottom: none; }
.finding-name {display: flex; align-items: center; gap: 8px; }
.finding-size {font-weight: 600; color: var(--text-primary); }
/* Agitation Section - The Problem Grid */
.pain-points {padding: var(--section-padding); background: #FFFFFF; }
.grid-3 {display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.pain-card {background: var(--bg-dark); padding: 2.5rem 2rem; border-radius: var(--border-radius-lg); border: var(--glass-border); transition: all 0.3s ease; }
.pain-card:hover {transform: translateY(-5px); background: #fff; box-shadow: var(--shadow-card); }
.pain-icon-wrapper {width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; }
.bg-red-light {background: rgba(255, 59, 48, 0.1); color: var(--danger); }
.bg-orange-light {background: rgba(255, 159, 10, 0.1); color: var(--warning); }
.bg-purple-light {background: rgba(175, 82, 222, 0.1); color: #AF52DE; }
.pain-card h3 {font-size: 1.5rem; margin-bottom: 1rem; font-weight: 700; }
.pain-card p {color: #52565e; font-size: 1rem; }
/* Solution Section - Features */
.features {padding: var(--section-padding); }
.feature-row {display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-bottom: 8rem; }
.feature-row:nth-child(even) {direction: rtl; /* FLips the layout */}
.feature-row:nth-child(even)>* {direction: ltr; /* Keeps text rendering normal */}
.feature-row:last-child {margin-bottom: 0; }
.feature-text h3 {font-size: 2.5rem; font-weight: 800; margin-bottom: 1.25rem; letter-spacing: -0.02em; }
.feature-text p {font-size: 1.125rem; color: #52565e; margin-bottom: 2rem; line-height: 1.7; }
.feature-list {list-style: none; }
.feature-list li {display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; font-size: 1.125rem; font-weight: 500; }
.check-icon {color: var(--accent-primary); flex-shrink: 0; margin-top: 2px; }
.feature-visual {background: #fff; border-radius: var(--border-radius-lg); padding: 3rem; box-shadow: var(--shadow-card); border: var(--glass-border); text-align: center; position: relative; }
/* Specific Visuals */
.visual-circle {width: 250px; height: 250px; border-radius: 50%; background: conic-gradient(var(--accent-primary) 0% 75%, var(--bg-dark) 75% 100%); margin: 0 auto 2rem; display: flex; align-items: center; justify-content: center; position: relative; }
.visual-circle::after {content: ''; position: absolute; width: 180px; height: 180px; background: #fff; border-radius: 50%; }
.visual-circle-text {position: relative; z-index: 2; text-align: center; }
.app-grid {display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.app-icon-mock {aspect-ratio: 1; border-radius: 20%; background: var(--bg-dark); display: flex; align-items: center; justify-content: center; color: #52565e; font-size: 2rem; font-weight: bold; box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05); position: relative; }
.app-icon-mock.removed::after {content: ''; position: absolute; inset: 0; background: rgba(255, 255, 255, 0.7); border-radius: 20%; }
.app-icon-mock.removed::before {content: '已卸载'; position: absolute; color: var(--danger); font-size: 0.875rem; font-weight: bold; z-index: 2; }
/* Trust Banner */
.trust-banner {padding: 4rem 2rem; background: #fff; border-top: var(--glass-border); border-bottom: var(--glass-border); text-align: center; }
.trust-icons {display: flex; justify-content: center; gap: 4rem; margin-top: 2rem; flex-wrap: wrap; }
.trust-item {display: flex; flex-direction: column; align-items: center; gap: 1rem; color: #52565e; font-weight: 500; }
/* FAQ Section */
.faq-section {padding: var(--section-padding); background: var(--bg-dark); }
.faq-container {width: 100%; }
.faq-item {background: transparent; padding: 1.5rem 0; margin-bottom: 0; border-bottom: 1px solid rgba(0, 0, 0, 0.1); }
.faq-item:last-child {border-bottom: none; }
.faq-question {font-size: 1.125rem; font-weight: 700; color: var(--text-primary); cursor: pointer; display: flex; align-items: flex-start; gap: 0.75rem; list-style: none; /* Hide default marker */outline: none; }
.faq-question::-webkit-details-marker {display: none; }
.faq-question-icon {color: var(--accent-primary); flex-shrink: 0; margin-top: 2px; }
.faq-answer {font-size: 1rem; color: #52565e; line-height: 1.6; margin-left: 32px; margin-top: 1rem; }
/* Bottom CTA */
.bottom-cta {padding: 8rem 2rem; text-align: center; background: radial-gradient(ellipse at bottom, rgba(0, 113, 227, 0.08) 0%, var(--bg-dark) 70%); position: relative; }
.bottom-cta h2 {font-size: 3.5rem; font-weight: 900; margin-bottom: 2rem; letter-spacing: -0.02em; }
/* Responsive Design */
@media (max-width: 992px) {.hero-text h1 {font-size: 3rem; }
.hero-text p {font-size: 1.25rem; }
.grid-3 {grid-template-columns: 1fr; }
.feature-row, .feature-row:nth-child(even) {grid-template-columns: 1fr; direction: ltr; text-align: center; gap: 2.5rem; }
.feature-list li {justify-content: center; }
.trust-icons {gap: 2rem; }
}
@media (max-width: 768px) {.hero {padding-top: 6rem; }
.hero-text h1 {font-size: 2.5rem; }
.bottom-cta h2 {font-size: 2.5rem; }
.scanner-visual {padding: 1.5rem; }
.section-title {font-size: 2.25rem; }
}