/* ========================================
   CSS Variables & Reset
======================================== */
:root {
    --primary: #FF8C00;
    --primary-light: #FFA733;
    --primary-dark: #E67E00;
    --primary-glow: rgba(255, 140, 0, 0.3);
    --text-dark: #2D2D2D;
    --text-gray: #5A5A5A;
    --text-light: #8A8A8A;
    --bg-cream: #FFF8F0;
    --bg-white: #FFFFFF;
    --bg-warm: #FFF5E6;
    --border-light: #E8E0D8;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 12px 48px rgba(255, 140, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    color: var(--text-dark);
    background: var(--bg-cream);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    margin-bottom: 0.75rem;
}

p {
    color: var(--text-gray);
    font-size: 1.0625rem;
}

/* ========================================
   Animations
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes wave {
    0% { transform: translateX(0) scaleY(1); }
    50% { transform: translateX(-25%) scaleY(0.8); }
    100% { transform: translateX(-50%) scaleY(1); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ========================================
   Navigation
======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
    background: transparent;
}

.nav.scrolled {
    background: rgba(255, 248, 240, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    padding: 0.75rem 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

.nav-cta {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition);
    box-shadow: 0 4px 16px var(--primary-glow);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--primary-glow);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-size: 1.0625rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px var(--primary-glow);
}

.btn-secondary {
    background: white;
    color: var(--text-dark);
    border: 2px solid var(--border-light);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* ========================================
   Hero Section
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(160deg, var(--bg-cream) 0%, var(--bg-warm) 50%, #FFE8CC 100%);
    overflow: hidden;
    padding: 120px 2rem 80px;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.4;
    background-image: 
        radial-gradient(circle at 20% 80%, var(--primary-glow) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255, 200, 100, 0.3) 0%, transparent 35%);
    pointer-events: none;
}

.hero-decorative {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    opacity: 0.1;
    pointer-events: none;
}

.hero-decorative-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
}

.hero-decorative-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
}

.hero-decorative-3 {
    width: 150px;
    height: 150px;
    top: 40%;
    right: 10%;
    opacity: 0.15;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-soft);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-title-accent {
    color: var(--primary);
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.hero-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    padding: 1rem 1.25rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.hero-feature:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-medium);
}

.hero-feature-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #4CAF50, #45A049);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.hero-feature-text {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
}

.hero-feature-text span {
    color: var(--text-gray);
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1s ease-out 0.3s both;
}

.hero-device {
    position: relative;
    width: 320px;
    height: 420px;
    background: linear-gradient(180deg, #2D2D2D 0%, #1A1A1A 100%);
    border-radius: 40px;
    padding: 20px;
    box-shadow: 
        0 40px 80px rgba(0, 0, 0, 0.3),
        inset 0 2px 0 rgba(255, 255, 255, 0.1);
    animation: float 4s ease-in-out infinite;
}

.hero-device-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--bg-warm) 0%, white 100%);
    border-radius: 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.hero-device-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 32px var(--primary-glow);
}

.hero-device-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.hero-device-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.hero-device-subtitle {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.hero-wave-container {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 40px;
    overflow: hidden;
}

.hero-wave {
    width: 400px;
    height: 40px;
    display: flex;
    align-items: center;
    gap: 3px;
    animation: wave 2s linear infinite;
}

.hero-wave-bar {
    width: 4px;
    background: var(--primary);
    border-radius: 2px;
    opacity: 0.7;
}

/* ========================================
   Pain Points Section
======================================== */
.pain-points {
    padding: 100px 2rem;
    background: white;
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    background: var(--bg-warm);
    color: var(--primary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.pain-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pain-card {
    background: var(--bg-cream);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    border: 2px solid transparent;
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-light);
}

.pain-card-icon {
    width: 72px;
    height: 72px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-soft);
}

.pain-card-icon svg {
    width: 36px;
    height: 36px;
    color: var(--primary);
}

.pain-card-question {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.pain-card-pain {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px dashed var(--border-light);
}

.pain-card-solution {
    margin-bottom: 1.25rem;
}

.pain-card-solution-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.pain-card-solution-text {
    font-size: 0.9375rem;
    color: var(--text-dark);
    line-height: 1.7;
}

.pain-card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pain-card-tag {
    background: white;
    color: var(--text-gray);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-light);
}

/* ========================================
   Core Advantages Section
======================================== */
.advantages {
    padding: 100px 2rem;
    background: linear-gradient(180deg, var(--bg-cream) 0%, white 100%);
}

.advantages-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.advantage-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.advantage-card-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 4rem;
    font-weight: 800;
    color: var(--bg-warm);
    line-height: 1;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--bg-warm), white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-light);
}

.advantage-icon svg {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.advantage-title {
    font-size: 1.375rem;
    margin-bottom: 1rem;
}

.advantage-desc {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.advantage-tech {
    background: var(--bg-cream);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.advantage-tech-label {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.375rem;
}

.advantage-tech-value {
    font-size: 0.875rem;
    color: var(--text-dark);
    font-weight: 600;
}

.advantage-features {
    list-style: none;
}

.advantage-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    color: var(--text-gray);
}

.advantage-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
}

/* ========================================
   Products Section
======================================== */
.products {
    padding: 100px 2rem;
    background: white;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.product-card {
    background: var(--bg-cream);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
}

.product-card-header {
    padding: 2.5rem 2.5rem 0;
}

.product-card-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-card-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.product-card-subtitle {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.product-card-content {
    padding: 0 2.5rem 2.5rem;
}

.product-components {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.product-component {
    flex: 1;
    background: white;
    padding: 1.25rem;
    border-radius: var(--radius-md);
    text-align: center;
}

.product-component-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-warm);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
}

.product-component-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.product-component-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
}

.product-features {
    margin-bottom: 2rem;
}

.product-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
}

.product-feature-item:last-child {
    border-bottom: none;
}

.product-feature-icon {
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.product-feature-text {
    font-size: 0.9375rem;
    color: var(--text-gray);
}

.product-pricing {
    background: white;
    padding: 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.product-price-label {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.product-price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.product-price-value span {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-gray);
}

.product-cta {
    width: 100%;
}

/* ========================================
   Process Section
======================================== */
.process {
    padding: 100px 2rem;
    background: linear-gradient(180deg, white 0%, var(--bg-cream) 100%);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 15%;
    right: 15%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--primary-light));
    z-index: 0;
}

.process-step {
    position: relative;
    z-index: 1;
    text-align: center;
}

.process-step-number {
    width: 80px;
    height: 80px;
    background: white;
    border: 4px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.process-step:hover .process-step-number {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.process-step-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.process-step-desc {
    font-size: 0.9375rem;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   About Section
======================================== */
.about {
    padding: 100px 2rem;
    background: var(--bg-cream);
}

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

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-mission {
    font-size: 1.25rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 4px solid var(--primary);
}

.about-desc {
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.about-tech-tag {
    background: white;
    color: var(--text-gray);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-light);
}

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

.about-stat {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.about-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.about-stat-label {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    padding: 80px 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 35%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.25rem;
    color: white;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-cta-primary {
    background: white;
    color: var(--primary);
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.btn-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-cta-secondary {
    background: transparent;
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: #1A1A1A;
    color: white;
    padding: 60px 2rem 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.5rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

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

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    color: white;
}

/* 友情链接区域 */
.footer-links-section {
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-links-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links-list a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

/* ========================================
   面包屑导航
======================================== */
.breadcrumb {
    background: var(--bg-warm);
    padding: 1rem 2rem;
    margin-top: 72px;
}

.breadcrumb-list {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    font-size: 0.875rem;
}

.breadcrumb-item::after {
    content: '/';
    margin-left: 0.5rem;
    color: var(--text-light);
}

.breadcrumb-item a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-item a:hover {
    color: var(--primary);
}

.breadcrumb-current {
    color: var(--primary);
    font-weight: 500;
}

/* ========================================
   二级页面通用样式
======================================== */
.page-banner {
    background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-warm) 100%);
    padding: 140px 2rem 60px;
    text-align: center;
}

.page-banner-title {
    margin-bottom: 1rem;
}

.page-banner-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.page-content {
    padding: 60px 2rem;
    background: white;
    min-height: 400px;
}

.page-content .section-container {
    max-width: 900px;
}

.page-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.page-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.page-content ul, .page-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.page-content li {
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

/* ========================================
   新闻列表/详情样式
======================================== */
.news-list {
    display: grid;
    gap: 2rem;
}

.news-item {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    background: var(--bg-cream);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.news-item:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-4px);
}

.news-item-image {
    height: 180px;
    background: var(--bg-warm);
    overflow: hidden;
}

.news-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-item:hover .news-item-image img {
    transform: scale(1.05);
}

.news-item-content {
    padding: 1.5rem 1.5rem 1.5rem 0;
    display: flex;
    flex-direction: column;
}

.news-item-date {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.news-item-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.news-item-title a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.news-item-title a:hover {
    color: var(--primary);
}

.news-item-excerpt {
    color: var(--text-gray);
    font-size: 0.9375rem;
    line-height: 1.7;
    flex: 1;
}

.news-item-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
    margin-top: 1rem;
    transition: var(--transition);
}

.news-item-link:hover {
    gap: 0.75rem;
}

/* 新闻详情 */
.news-detail {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-light);
}

.news-detail-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.news-detail-content {
    line-height: 1.9;
}

.news-detail-content p {
    margin-bottom: 1.5rem;
}

.news-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
}

.news-detail-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.news-detail-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.news-detail-content ul,
.news-detail-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.news-detail-content li {
    margin-bottom: 0.5rem;
}

/* ========================================
   分页样式
======================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    text-decoration: none;
    transition: var(--transition);
}

.pagination a {
    color: var(--text-gray);
    background: white;
    border: 1px solid var(--border-light);
}

.pagination a:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.pagination-current {
    background: var(--primary);
    color: white;
    border: 1px solid var(--primary);
    font-weight: 600;
}

.pagination-prev,
.pagination-next {
    padding: 0 1.25rem;
}

.pagination .disabled {
    color: var(--text-light);
    background: var(--bg-cream);
    border: 1px solid var(--border-light);
    cursor: not-allowed;
}

.pagination-ellipsis {
    color: var(--text-light);
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-features {
        align-items: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .pain-cards {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .advantages-cards {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .product-cards {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .process-steps {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .process-steps::before {
        display: none;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        margin-top: 2rem;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

    .news-item {
        grid-template-columns: 1fr;
    }

    .news-item-image {
        height: 200px;
    }

    .news-item-content {
        padding: 1.5rem;
    }
}

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

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding: 100px 1rem 60px;
    }

    .hero-device {
        width: 260px;
        height: 340px;
    }

    .section-container {
        padding: 0 1rem;
    }

    .pain-points,
    .advantages,
    .products,
    .process,
    .about {
        padding: 60px 1rem;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .page-banner {
        padding: 120px 1rem 40px;
    }

    .page-content {
        padding: 40px 1rem;
    }

    .breadcrumb {
        padding: 1rem;
    }

    .news-detail-title {
        font-size: 1.5rem;
    }

    .news-detail-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* ========================================
   核心优势页样式
======================================== */
.advantage-section {
    padding: 80px 2rem;
    background: white;
}

.advantage-section-alt {
    background: var(--bg-cream);
}

.advantage-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.advantage-section-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--bg-warm), white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border: 1px solid var(--border-light);
}

.advantage-section-icon svg {
    width: 48px;
    height: 48px;
    color: var(--primary);
}

.advantage-section-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.advantage-section-desc {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 技术流程图 */
.tech-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.tech-flow-item {
    background: var(--bg-cream);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    text-align: center;
    min-width: 140px;
    border: 1px solid var(--border-light);
}

.tech-flow-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.tech-flow-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

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

.tech-flow-arrow {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: bold;
}

/* 数据亮点 */
.data-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.data-highlight-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-warm);
    border-radius: var(--radius-lg);
}

.data-highlight-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.data-highlight-number span {
    font-size: 1.25rem;
}

.data-highlight-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.data-highlight-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* 对比表格 */
.compare-table-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.compare-table-title {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.compare-table th,
.compare-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.compare-table th {
    background: var(--bg-warm);
    font-weight: 600;
}

.compare-traditional {
    color: var(--text-light);
}

.compare-xinyi {
    color: var(--primary);
}

/* 检测能力卡片 */
.detection-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.detection-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.detection-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-light);
}

.detection-card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.detection-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.detection-card-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 对比卡片 */
.compare-cards {
    max-width: 900px;
    margin: 0 auto;
}

.compare-cards-title {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.compare-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.compare-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 2px solid var(--border-light);
}

.compare-card-vs {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 2px dashed var(--border-light);
}

.compare-card-advantage {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.compare-card-check {
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* AI陪伴功能卡片 */
.ai-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.ai-feature-card {
    background: var(--bg-cream);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.ai-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.ai-feature-card-highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
}

.ai-feature-card-highlight .ai-feature-icon,
.ai-feature-card-highlight .ai-feature-title,
.ai-feature-card-highlight .ai-feature-desc {
    color: white;
}

.ai-feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.ai-feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.ai-feature-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 板块CTA */
.section-cta {
    text-align: center;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-light);
}

.section-cta-text {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

/* ========================================
   产品与服务页样式
======================================== */
.product-section {
    padding: 80px 2rem;
    background: white;
}

.product-section-alt {
    background: var(--bg-cream);
}

.product-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.product-section-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-section-badge-alt {
    background: var(--text-dark);
}

.product-section-title {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.product-section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* 设备展示 */
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.device-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.device-mockup {
    position: relative;
    margin-bottom: 1.5rem;
}

.device-mockup-body {
    width: 200px;
    height: 120px;
    background: linear-gradient(180deg, #4a4a4a 0%, #2d2d2d 100%);
    border-radius: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.device-mockup-speaker {
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, #666 0%, #333 100%);
    border-radius: 50%;
    margin-bottom: 10px;
    border: 3px solid #555;
}

.device-mockup-button {
    width: 30px;
    height: 30px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--primary-glow);
}

.device-mockup-led {
    width: 6px;
    height: 6px;
    background: #4CAF50;
    border-radius: 50%;
    position: absolute;
    top: 15px;
    right: 25px;
    box-shadow: 0 0 8px #4CAF50;
}

.device-mockup-base {
    width: 120px;
    height: 20px;
    background: #2d2d2d;
    border-radius: 0 0 10px 10px;
    margin: -5px auto 0;
}

.device-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* 硬件参数表 */
.hardware-specs {
    background: var(--bg-cream);
    border-radius: var(--radius-xl);
    padding: 2rem;
}

.hardware-specs-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.specs-table {
    width: 100%;
}

.specs-table td {
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border-light);
}

.specs-table tr:last-child td {
    border-bottom: none;
}

.specs-label {
    font-weight: 600;
    color: var(--text-dark);
    width: 120px;
}

.specs-value {
    color: var(--text-gray);
}

/* APP功能展示 */
.app-features {
    margin-top: 4rem;
}

.app-features-title {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.app-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.app-feature-item {
    text-align: center;
}

.app-mockup {
    width: 120px;
    height: 240px;
    background: #2d2d2d;
    border-radius: 20px;
    padding: 10px;
    margin: 0 auto 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.app-mockup-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 14px;
    overflow: hidden;
}

.app-mockup-header {
    height: 40px;
    background: var(--bg-warm);
    border-bottom: 1px solid var(--border-light);
}

.app-mockup-header-alert {
    background: #FFEBEE;
}

.app-mockup-content {
    padding: 10px;
}

.app-mockup-card {
    height: 30px;
    background: var(--bg-cream);
    border-radius: 6px;
    margin-bottom: 8px;
}

.app-mockup-chart {
    height: 80px;
    background: linear-gradient(180deg, var(--bg-warm) 0%, white 100%);
    border-radius: 6px;
}

.app-mockup-alert {
    height: 60px;
    background: #FFEBEE;
    border-radius: 6px;
}

.app-mockup-avatar {
    width: 30px;
    height: 30px;
    background: var(--bg-warm);
    border-radius: 50%;
    display: inline-block;
    margin: 0 4px;
}

.app-feature-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.app-feature-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* 价格表格 */
.pricing-section {
    padding: 80px 2rem;
    background: var(--bg-cream);
}

.pricing-table-wrapper {
    overflow-x: auto;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.pricing-table th,
.pricing-table td {
    padding: 1.25rem;
    text-align: center;
    border-bottom: 1px solid var(--border-light);
}

.pricing-table-feature {
    text-align: left;
    font-weight: 500;
    color: var(--text-dark);
    background: var(--bg-warm);
}

.pricing-table-plan {
    width: 22%;
}

.pricing-table-recommended {
    background: linear-gradient(180deg, rgba(255, 140, 0, 0.05) 0%, rgba(255, 140, 0, 0.1) 100%);
}

.plan-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.plan-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.plan-price span {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-gray);
}

.pricing-table-cta-row td {
    padding: 1.5rem;
}

/* 机构版功能卡片 */
.institution-scenarios {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.scenario-item {
    text-align: center;
}

.scenario-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.scenario-name {
    font-weight: 600;
    color: var(--text-dark);
}

.institution-features-title {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.institution-feature-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.institution-feature-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.institution-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.institution-feature-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-warm);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.institution-feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.institution-feature-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.institution-feature-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.institution-cta {
    text-align: center;
    margin-top: 3rem;
}

/* ========================================
   解决方案页样式
======================================== */
.solution-section {
    padding: 80px 2rem;
    background: white;
}

.solution-section-alt {
    background: var(--bg-cream);
}

.solution-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.solution-card {
    background: var(--bg-cream);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.solution-card-header {
    background: var(--bg-warm);
    padding: 1.5rem;
    text-align: center;
}

.solution-card-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.solution-card-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.solution-card-body {
    padding: 1.5rem;
    flex: 1;
}

.solution-card-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

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

.solution-card-pain {
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px dashed var(--border-light);
}

.solution-card-pain p,
.solution-card-solution p {
    font-size: 0.9375rem;
    color: var(--text-gray);
    line-height: 1.7;
}

.solution-card-solution {
    margin-bottom: 1.25rem;
}

.solution-card-effect-items {
    display: flex;
    gap: 1.5rem;
}

.effect-item {
    text-align: center;
}

.effect-number {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

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

.solution-card-footer {
    padding: 1.5rem;
    padding-top: 0;
}

/* 机构方案卡片 */
.institution-solutions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.institution-solution-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.institution-solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.institution-solution-header {
    background: var(--bg-warm);
    padding: 1.5rem;
    text-align: center;
}

.institution-solution-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.institution-solution-title {
    font-size: 1.125rem;
    font-weight: 700;
}

.institution-solution-body {
    padding: 1.5rem;
}

.institution-solution-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
}

.institution-solution-row:last-of-type {
    border-bottom: none;
}

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

.institution-solution-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dark);
}

.institution-solution-highlight {
    color: var(--primary);
    font-weight: 600;
}

.institution-solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.institution-solution-feature {
    font-size: 0.75rem;
    color: var(--text-gray);
    background: var(--bg-cream);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
}

.institution-solution-footer {
    padding: 1.5rem;
    padding-top: 0;
}

/* 实施流程 */
.process-section {
    padding: 80px 2rem;
    background: white;
}

.implementation-steps {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.implementation-step {
    text-align: center;
    max-width: 200px;
}

.implementation-step-number {
    width: 60px;
    height: 60px;
    background: var(--bg-warm);
    border: 3px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.implementation-step-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.implementation-step-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.implementation-step-arrow {
    font-size: 1.5rem;
    color: var(--primary);
    padding-top: 15px;
}

.process-cta {
    text-align: center;
}

/* ========================================
   关于我们页样式
======================================== */
.about-section {
    padding: 80px 2rem;
    background: white;
}

.about-section-alt {
    background: var(--bg-cream);
}

.company-intro {
    max-width: 900px;
    margin: 0 auto;
}

.company-intro-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.company-intro-text {
    font-size: 1.0625rem;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.company-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.company-value-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-cream);
    border-radius: var(--radius-lg);
}

.company-value-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.company-value-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.company-value-desc {
    font-size: 0.9375rem;
    color: var(--text-dark);
}

/* 时间线 */
.timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-light), var(--primary));
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
    padding-left: 2rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -26px;
    top: 5px;
    width: 14px;
    height: 14px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--primary-light);
}

.timeline-date {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.timeline-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.timeline-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 团队卡片 */
.team-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.team-card {
    background: var(--bg-cream);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.team-card-icon {
    width: 70px;
    height: 70px;
    background: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    border: 1px solid var(--border-light);
}

.team-card-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.team-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.team-card-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.team-card-count {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    background: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    display: inline-block;
}

/* 联系我们 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-info-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.contact-info-value {
    font-size: 1rem;
    color: var(--text-dark);
}

.contact-info-highlight {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.contact-qr {
    text-align: center;
}

.contact-qr-placeholder {
    width: 180px;
    height: 180px;
    background: white;
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.contact-qr-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

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

.contact-qr-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.contact-map {
    margin-top: 2rem;
}

.contact-map-placeholder {
    height: 250px;
    background: var(--bg-warm);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--border-light);
}

.contact-map-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

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

/* ========================================
   新闻页样式补充
======================================== */
.news-section {
    padding: 60px 2rem;
    background: white;
    min-height: 400px;
}

.news-notice {
    background: #FFF3E0;
    border: 1px solid #FFE0B2;
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
}

.news-notice p {
    color: #E65100;
    font-size: 0.9375rem;
}

.news-empty {
    text-align: center;
    padding: 4rem 2rem;
}

.news-empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.news-empty h3 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.news-empty p {
    color: var(--text-gray);
}

.news-item-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
}

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

.news-item-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-warm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-item-placeholder-icon {
    font-size: 3rem;
}

/* 相关推荐 */
.related-news {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-light);
}

.related-news-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.related-news-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.related-news-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-cream);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
}

.related-news-item:hover {
    background: var(--bg-warm);
}

.related-news-date {
    font-size: 0.75rem;
    color: var(--text-light);
    white-space: nowrap;
}

.related-news-text {
    font-size: 0.9375rem;
    color: var(--text-dark);
}

.news-detail-footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-light);
}

/* ========================================
   响应式补充样式
======================================== */
@media (max-width: 1024px) {
    .data-highlights {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .detection-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .compare-cards-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .ai-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .app-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .institution-feature-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-cards {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .institution-solutions {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .company-values {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .team-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .advantage-section,
    .product-section,
    .solution-section,
    .process-section,
    .about-section,
    .pricing-section,
    .news-section {
        padding: 50px 1rem;
    }
    
    .tech-flow {
        flex-direction: column;
    }
    
    .tech-flow-arrow {
        transform: rotate(90deg);
    }
    
    .detection-cards {
        grid-template-columns: 1fr;
    }
    
    .ai-features {
        grid-template-columns: 1fr;
    }
    
    .pricing-table th,
    .pricing-table td {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
    
    .institution-scenarios {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .institution-feature-cards {
        grid-template-columns: 1fr;
    }
    
    .app-features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
    
    .implementation-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .implementation-step-arrow {
        transform: rotate(90deg);
    }
    
    .timeline {
        padding-left: 20px;
    }
    
    .timeline-dot {
        left: -16px;
        width: 10px;
        height: 10px;
    }
}