/* ========================================
   自立星官网 - 样式表
   ======================================== */

/* CSS Variables */
:root {
    --color-primary: #F59E0B;
    --color-primary-dark: #D97706;
    --color-primary-light: #FBBF24;
    --color-secondary: #10B981;
    --color-accent: #F59E0B;
    --color-bg: #FAFBFC;
    --color-bg-alt: #F3F4F6;
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --color-text-lighter: #9CA3AF;
    --color-white: #FFFFFF;
    --color-border: #E5E7EB;
    
    --font-heading: 'Baloo 2', 'Noto Sans SC', sans-serif;
    --font-body: 'Noto Sans SC', 'PingFang SC', sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 3rem;
}

.highlight {
    color: var(--color-primary);
}

/* Container */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    box-shadow: 4px 4px 12px rgba(79, 70, 229, 0.35), -2px -2px 8px rgba(255, 255, 255, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 16px rgba(79, 70, 229, 0.4), -2px -2px 8px rgba(255, 255, 255, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 2px 2px 6px rgba(79, 70, 229, 0.3), inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    transition: color var(--transition);
    cursor: pointer;
}

.logo:hover {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color var(--transition);
    cursor: pointer;
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-links a.active {
    color: var(--color-primary);
    font-weight: 600;
}

.nav-cta {
    padding: 0.5rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.hero-desc {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.hero-note {
    font-size: 0.875rem;
    color: var(--color-text-lighter);
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: 12px 12px 32px rgba(79, 70, 229, 0.12), -6px -6px 16px rgba(255, 255, 255, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 3px solid rgba(255, 255, 255, 0.9);
    overflow: hidden;
}

.card-header {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
}

.card-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
}

.card-content {
    padding: 1.5rem;
}

.mock-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.06), -2px -2px 6px rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.9);
}

.stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.mock-tasks {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mock-task {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--color-white);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.05), -1px -1px 4px rgba(255, 255, 255, 0.8);
}

.mock-task:hover {
    box-shadow: 4px 4px 10px rgba(79, 70, 229, 0.1), -2px -2px 6px rgba(255, 255, 255, 0.9);
}

.mock-task svg {
    flex-shrink: 0;
    color: var(--color-text-lighter);
}

.mock-task.completed svg {
    color: var(--color-secondary);
}

.mock-task.completed span {
    text-decoration: line-through;
    color: var(--color-text-lighter);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.bg-circle-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.2), rgba(16, 185, 129, 0.1));
    top: -200px;
    right: -200px;
}

.bg-circle-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(79, 70, 229, 0.1));
    bottom: -100px;
    left: -100px;
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-cta-group {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 400px;
        margin: 0 auto;
    }
}

/* ========================================
   Pain Points Section
   ======================================== */
.pain-points {
    padding: 6rem 0;
    background: var(--color-white);
}

.pain-points .section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.pain-item {
    padding: 1.5rem 2rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.06), -2px -2px 6px rgba(255, 255, 255, 0.8);
}

.pain-item p {
    font-size: 1.125rem;
    color: var(--color-text);
    font-style: italic;
}

.pain-bridge {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(16, 185, 129, 0.08));
    border-radius: var(--radius-lg);
    box-shadow: 6px 6px 16px rgba(0, 0, 0, 0.06), -3px -3px 10px rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.9);
}

.pain-bridge p {
    font-size: 1.125rem;
    color: var(--color-text);
    font-weight: 500;
}

/* ========================================
   Solution Section
   ======================================== */
.solution {
    padding: 6rem 0 3rem;
    background: var(--color-bg);
}

.solution .section-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: 4rem 0 6rem;
    background: var(--color-bg);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    padding: 2rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 3px solid rgba(255, 255, 255, 0.8);
    box-shadow: 8px 8px 20px rgba(0, 0, 0, 0.08), -4px -4px 12px rgba(255, 255, 255, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transition: all var(--transition-slow);
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 12px 12px 28px rgba(79, 70, 229, 0.15), -4px -4px 12px rgba(255, 255, 255, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.15), rgba(129, 140, 248, 0.1));
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    color: var(--color-primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   Core Values Section
   ======================================== */
.core-values {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.value-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.value-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.value-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.value-item p {
    font-size: 0.9375rem;
    line-height: 1.7;
    opacity: 0.9;
}

/* ========================================
   Testimonial Section
   ======================================== */
.testimonial {
    padding: 6rem 0;
    background: var(--color-white);
}

.testimonial-card {
    max-width: 700px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    text-align: center;
}

.testimonial-text {
    font-size: 1.375rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border-radius: 50%;
    font-weight: 600;
    box-shadow: 3px 3px 8px rgba(79, 70, 229, 0.3), -2px -2px 6px rgba(255, 255, 255, 0.8);
}

.author-info {
    text-align: left;
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--color-text);
}

.author-desc {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    padding: 6rem 0;
    background: var(--color-bg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: 2rem;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 3px solid rgba(255, 255, 255, 0.9);
    box-shadow: 8px 8px 20px rgba(0, 0, 0, 0.08), -4px -4px 12px rgba(255, 255, 255, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transition: all var(--transition-slow);
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 12px 12px 28px rgba(79, 70, 229, 0.12), -4px -4px 12px rgba(255, 255, 255, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.pricing-card.featured {
    border: 3px solid var(--color-primary);
    box-shadow: 10px 10px 24px rgba(79, 70, 229, 0.2), -4px -4px 12px rgba(255, 255, 255, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 1rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
}

.pricing-header {
    text-align: center;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.pricing-header h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-light);
}

.amount {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text);
}

.featured .amount {
    color: var(--color-primary);
}

.period {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--color-text);
}

.pricing-features li svg {
    flex-shrink: 0;
    color: var(--color-secondary);
}

.pricing-features li.disabled {
    color: var(--color-text-lighter);
}

.pricing-features li.disabled svg {
    color: var(--color-text-lighter);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(16, 185, 129, 0.05));
}

.cta .section-container {
    text-align: center;
}

.cta h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta > .section-container > p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.cta-qrcode {
    margin-bottom: 2rem;
}

.qrcode-placeholder {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 180px;
    height: 180px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: 8px 8px 20px rgba(79, 70, 229, 0.12), -4px -4px 12px rgba(255, 255, 255, 0.95);
    border: 3px solid rgba(255, 255, 255, 0.9);
    color: var(--color-text-lighter);
    transition: all var(--transition);
}

.qrcode-placeholder:hover {
    transform: translateY(-4px);
    box-shadow: 12px 12px 28px rgba(79, 70, 229, 0.18), -4px -4px 12px rgba(255, 255, 255, 0.95);
}

.qrcode-placeholder span {
    margin-top: 0.75rem;
    font-size: 0.875rem;
}

.cta-note {
    font-size: 0.875rem;
    color: var(--color-text-lighter);
    margin-top: 1rem;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 6rem 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.about-company {
    margin-bottom: 2rem;
}

.about-company h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.about-desc {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.about-belief {
    margin-bottom: 2rem;
}

.about-belief h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.about-belief ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.about-belief li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.about-belief li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.about-contact h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.about-contact p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.about-visual {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.about-card {
    padding: 2rem 1.5rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition);
    box-shadow: 6px 6px 16px rgba(0, 0, 0, 0.07), -3px -3px 10px rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.9);
    cursor: pointer;
}

.about-card:hover {
    transform: translateY(-6px);
    box-shadow: 10px 10px 24px rgba(79, 70, 229, 0.12), -4px -4px 12px rgba(255, 255, 255, 0.95);
}

.about-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    background: var(--color-white);
    border-radius: var(--radius);
    color: var(--color-primary);
}

.about-card p {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.about-card span {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-content .section-title {
        text-align: center;
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 3rem 0;
    background: var(--color-text);
    color: var(--color-white);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-brand .logo {
    color: var(--color-white);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition);
    cursor: pointer;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-copyright {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content > * {
    animation: fadeInUp 0.6s ease forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }
.hero-content > *:nth-child(5) { animation-delay: 0.5s; }

.hero-visual {
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 768px) {
    .hero {
        padding: 6rem 0 3rem;
        min-height: auto;
    }
    
    .mock-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
    
    .stat-item {
        padding: 0.75rem 0.5rem;
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
    
    .stat-label {
        font-size: 0.625rem;
    }
    
    .pain-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .value-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .about-visual {
        grid-template-columns: 1fr;
    }
    
    .cta-qrcode .qrcode-placeholder {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

/* ========================================
   Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}