/* ========================================
   中枢工作手机管理系统 - 企业官网样式 v3.0
   第三轮视觉升级：深色统计区 + AI图片 + 左右交替图文 + 波浪分割 + 微交互
   ======================================== */

/* --- CSS Variables --- */
:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-darker: #0d47a1;
    --primary-light: #4285f4;
    --primary-bg: #e8f0fe;
    --accent: #00c853;
    --accent-orange: #ff6d00;
    --accent-purple: #7c4dff;
    --accent-cyan: #00bcd4;
    --accent-pink: #e91e63;
    --gradient-blue: linear-gradient(135deg, #1a73e8, #4285f4);
    --gradient-purple: linear-gradient(135deg, #7c4dff, #b388ff);
    --gradient-cyan: linear-gradient(135deg, #00bcd4, #4dd0e1);
    --gradient-orange: linear-gradient(135deg, #ff6d00, #ffab40);
    --gradient-green: linear-gradient(135deg, #00c853, #69f0ae);
    --gradient-hero: linear-gradient(135deg, #0d47a1 0%, #1a73e8 40%, #7c4dff 100%);
    --gradient-stats: linear-gradient(135deg, #0a0e27 0%, #1a1f4e 50%, #0d1330 100%);
    --text-primary: #1a1a2e;
    --text-secondary: #555;
    --text-muted: #888;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-section: #f0f4f8;
    --border-color: #e5e9ef;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --shadow-hover: 0 12px 40px rgba(26,115,232,0.18);
    --shadow-glow: 0 0 30px rgba(26,115,232,0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --max-width: 1200px;
    --header-height: 72px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    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", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Header / Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: 0 1px 20px rgba(0,0,0,0.08);
    border-bottom-color: var(--border-color);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav a {
    display: inline-block;
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 24px;
    transition: var(--transition);
    position: relative;
}

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

.nav a.active {
    color: #fff;
    background: var(--gradient-blue);
    font-weight: 600;
}

.nav-cta-btn {
    display: inline-block;
    padding: 8px 22px;
    font-size: 14px;
    font-weight: 600;
    color: #fff !important;
    background: var(--gradient-orange);
    border-radius: 24px;
    margin-left: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255,109,0,0.3);
}

.nav-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,109,0,0.4);
    color: #fff !important;
}

/* Mobile hamburger */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Section Common --- */
.section {
    padding: 100px 0;
    position: relative;
}

.section:first-of-type {
    padding-top: 0;
}

.section-title {
    font-size: 38px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    position: relative;
}

.section-title-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.section-subtitle {
    font-size: 17px;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 56px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Wave Divider (Section transitions) --- */
.wave-divider {
    position: relative;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    margin-top: -1px;
}

.wave-divider svg {
    display: block;
    width: 100%;
    height: 80px;
}

.wave-divider-top {
    margin-bottom: -1px;
    margin-top: 0;
}

.wave-divider-bottom {
    margin-top: -1px;
}

/* --- Hero / Banner Carousel --- */
.section-hero {
    padding: 0;
    margin-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

.banner-carousel {
    position: relative;
    width: 100%;
    height: 650px;
    overflow: hidden;
}

.banner-track {
    display: flex;
    height: 100%;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    overflow: hidden;
}

.banner-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.6;
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-10px) scale(1.02); }
}

.banner-slide::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124,77,255,0.15) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: floatOrb 8s ease-in-out infinite;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-30px, 20px) scale(1.1); }
    66% { transform: translate(20px, -15px) scale(0.9); }
}

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 0 24px;
    max-width: 850px;
}

.banner-content h1 {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 18px;
    letter-spacing: -1px;
    line-height: 1.2;
    text-shadow: 0 2px 30px rgba(0,0,0,0.2);
    animation: fadeInUp 0.8s ease forwards;
}

.banner-content p {
    font-size: 21px;
    opacity: 0.92;
    margin-bottom: 40px;
    line-height: 1.6;
    animation: fadeInUp 0.8s 0.2s ease forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.banner-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 44px;
    background: linear-gradient(135deg, #fff, #f0f0f0);
    color: var(--primary);
    border: none;
    border-radius: 30px;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    animation: fadeInUp 0.8s 0.4s ease forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

.banner-cta:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
    color: var(--primary-dark);
}

.banner-dots {
    position: absolute;
    bottom: 35px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.banner-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid rgba(255,255,255,0.5);
}

.banner-dots .dot.active {
    background: #fff;
    width: 36px;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.banner-arrow:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-50%) scale(1.1);
}

.banner-prev { left: 28px; }
.banner-next { right: 28px; }

/* --- Stats Section (深色科技风 + 背景图) --- */
.section-stats {
    background: var(--gradient-stats);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-stats.has-bg-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Dark overlay for bg image readability */
.section-stats.has-bg-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,14,39,0.88) 0%, rgba(26,31,78,0.85) 50%, rgba(13,19,48,0.88) 100%);
    z-index: 0;
}

/* Particle decoration layer */
.section-stats::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.15), transparent),
        radial-gradient(2px 2px at 80% 20%, rgba(255,255,255,0.1), transparent),
        radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,0.08), transparent),
        radial-gradient(2px 2px at 60% 80%, rgba(255,255,255,0.12), transparent),
        radial-gradient(3px 3px at 90% 60%, rgba(124,77,255,0.15), transparent),
        radial-gradient(3px 3px at 10% 80%, rgba(26,115,232,0.15), transparent);
    animation: particleFloat 15s ease-in-out infinite;
    z-index: 1;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(-8px); opacity: 0.8; }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 2;
}

.stat-card {
    text-align: center;
    padding: 44px 24px;
    background: rgba(255,255,255,0.06);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(16px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(124,77,255,0.6), rgba(26,115,232,0.6), transparent);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-8px);
    border-color: rgba(124,77,255,0.3);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 40px rgba(124,77,255,0.1);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(124,77,255,0.2), rgba(26,115,232,0.2));
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.stat-card:hover .stat-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(124,77,255,0.3), rgba(26,115,232,0.3));
    box-shadow: 0 0 30px rgba(124,77,255,0.2);
}

.stat-icon svg {
    width: 32px;
    height: 32px;
}

.stat-value {
    font-size: 56px;
    font-weight: 900;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff 40%, rgba(124,77,255,0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
}

.stat-suffix {
    font-size: 24px;
    font-weight: 600;
    opacity: 0.8;
    background: none;
    -webkit-text-fill-color: rgba(255,255,255,0.7);
}

.stat-label {
    font-size: 15px;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
    letter-spacing: 1px;
}

/* --- Pain Points --- */
.section-pain {
    background: var(--bg-light);
    position: relative;
}

.section-pain::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-pink), var(--accent-purple), var(--primary));
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pain-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.pain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b6b, #ee5a24);
    opacity: 0;
    transition: var(--transition);
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(255,107,107,0.15);
    border-color: rgba(255,107,107,0.3);
}

.pain-card:hover::before {
    opacity: 1;
}

.pain-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #fff0f0, #ffe0e0);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.pain-card:hover .pain-icon {
    transform: scale(1.1) rotate(-5deg);
}

.pain-icon svg {
    width: 32px;
    height: 32px;
}

.pain-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.pain-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* --- Products Grid (渐变图标背景) --- */
.section-products {
    background: var(--bg-white);
    position: relative;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    border: 1px solid var(--border-color);
    position: relative;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-hover);
}

.product-card:hover::after {
    opacity: 1;
}

.product-card[data-theme="purple"]::after { background: var(--gradient-purple); }
.product-card[data-theme="blue"]::after { background: var(--gradient-blue); }
.product-card[data-theme="red"]::after { background: linear-gradient(90deg, #e53935, #ff5252); }
.product-card[data-theme="green"]::after { background: var(--gradient-green); }
.product-card[data-theme="orange"]::after { background: var(--gradient-orange); }
.product-card[data-theme="cyan"]::after { background: var(--gradient-cyan); }

/* Product card header with gradient icon background */
.product-card-header {
    padding: 32px 28px 0;
    display: flex;
    justify-content: flex-start;
}

.product-card-icon-bg {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card-icon-bg[data-theme="purple"] {
    background: linear-gradient(135deg, #7c4dff, #b388ff);
    box-shadow: 0 8px 24px rgba(124,77,255,0.3);
}
.product-card-icon-bg[data-theme="blue"] {
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    box-shadow: 0 8px 24px rgba(26,115,232,0.3);
}
.product-card-icon-bg[data-theme="red"] {
    background: linear-gradient(135deg, #e53935, #ff5252);
    box-shadow: 0 8px 24px rgba(229,57,53,0.3);
}
.product-card-icon-bg[data-theme="green"] {
    background: linear-gradient(135deg, #00c853, #69f0ae);
    box-shadow: 0 8px 24px rgba(0,200,83,0.3);
}
.product-card-icon-bg[data-theme="orange"] {
    background: linear-gradient(135deg, #ff6d00, #ffab40);
    box-shadow: 0 8px 24px rgba(255,109,0,0.3);
}
.product-card-icon-bg[data-theme="cyan"] {
    background: linear-gradient(135deg, #00bcd4, #4dd0e1);
    box-shadow: 0 8px 24px rgba(0,188,212,0.3);
}

.product-card-icon-bg svg {
    width: 40px;
    height: 40px;
}

.product-card:hover .product-card-icon-bg {
    transform: scale(1.08) rotate(-3deg);
}

.product-card-body {
    padding: 24px 28px 28px;
}

.product-card-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-card-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.product-features {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.product-features li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 5px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-features li::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
}

.product-detail-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid transparent;
}

.product-detail-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: translateX(4px);
}

.product-detail-btn svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.product-detail-btn:hover svg {
    transform: translateX(3px);
}

/* --- Features Section (左右交替图文布局 + 真实图片) --- */
.section-features {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.section-features::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -200px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124,77,255,0.06) 0%, transparent 70%);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
    position: relative;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-item.reverse {
    flex-direction: row-reverse;
}

.feature-visual {
    flex: 1;
    min-width: 300px;
}

.feature-img-wrap {
    width: 100%;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: var(--transition);
}

.feature-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(124,77,255,0.05), rgba(26,115,232,0.05));
    border-radius: inherit;
}

.feature-img-wrap:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0,0,0,0.18);
}

.feature-img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    display: block;
    transition: var(--transition-slow);
}

.feature-img-wrap:hover .feature-img {
    transform: scale(1.05);
}

.feature-illustration {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.feature-illustration svg {
    width: 100%;
    height: auto;
    display: block;
}

.feature-text {
    flex: 1;
    min-width: 300px;
}

.feature-text h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.feature-text > p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-points {
    list-style: none;
    padding: 0;
}

.feature-points li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 500;
}

.feature-points li .check-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00c853, #69f0ae);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-points li .check-icon svg {
    width: 14px;
    height: 14px;
    fill: #fff;
}

/* --- Timeline / Process Section --- */
.section-timeline {
    background: var(--bg-white);
    position: relative;
}

.timeline-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 44px;
    left: 12.5%;
    right: 12.5%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-purple), var(--accent-cyan), var(--accent));
    border-radius: 2px;
}

.timeline-step {
    text-align: center;
    position: relative;
    padding: 0 16px;
}

.timeline-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-blue);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px auto 20px;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(26,115,232,0.3);
    transition: var(--transition);
}

.timeline-step:nth-child(2) .timeline-number { background: var(--gradient-purple); box-shadow: 0 4px 15px rgba(124,77,255,0.3); }
.timeline-step:nth-child(3) .timeline-number { background: var(--gradient-cyan); box-shadow: 0 4px 15px rgba(0,188,212,0.3); }
.timeline-step:nth-child(4) .timeline-number { background: var(--gradient-green); box-shadow: 0 4px 15px rgba(0,200,83,0.3); }

.timeline-step:hover .timeline-number {
    transform: scale(1.15);
}

.timeline-step h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-step p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --- CTA Section --- */
.section-cta {
    padding: 80px 0;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124,77,255,0.2) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: floatOrb 10s ease-in-out infinite;
}

.section-cta::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,188,212,0.15) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation: floatOrb 12s 2s ease-in-out infinite;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 40px;
    background: #fff;
    color: var(--primary);
    border-radius: 30px;
    font-size: 17px;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    border: none;
    cursor: pointer;
}

.cta-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
    color: var(--primary-dark);
}

.cta-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 40px;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 30px;
    font-size: 17px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.cta-btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.7);
    color: #fff;
    transform: translateY(-3px);
}

/* --- Solutions Tabs --- */
.section-solutions {
    background: var(--bg-white);
    position: relative;
}

.solutions-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.solutions-tabs .tab-btn {
    padding: 10px 24px;
    border-radius: 24px;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.solutions-tabs .tab-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.solutions-tabs .tab-btn.active {
    background: var(--gradient-blue);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(26,115,232,0.3);
}

.solutions-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px;
    background: linear-gradient(135deg, #f8f9fa, #eef2ff);
    border-radius: var(--radius-xl);
    text-align: center;
    min-height: 140px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.solutions-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-blue);
}

.solutions-content h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.solutions-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* --- Advantages --- */
.section-advantages {
    background: var(--gradient-hero);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.section-advantages::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M50 50c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10s-10-4.477-10-10 4.477-10 10-10zM10 10c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10S0 25.523 0 20s4.477-10 10-10z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.section-advantages .section-title {
    color: #fff;
}

.section-advantages .section-subtitle {
    color: rgba(255,255,255,0.7);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.advantage-card {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    transition: var(--transition);
}

.advantage-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-6px);
    border-color: rgba(255,255,255,0.25);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1) rotate(5deg);
}

.advantage-icon svg {
    width: 28px;
    height: 28px;
    fill: #fff;
}

.advantage-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.advantage-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
}

/* --- Capabilities --- */
.section-capabilities {
    background: var(--bg-light);
}

.capability-list {
    max-width: 900px;
    margin: 0 auto;
}

.capability-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 28px 32px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.capability-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-blue);
    opacity: 0;
    transition: var(--transition);
}

.capability-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-bg);
    transform: translateX(4px);
}

.capability-item:hover::before {
    opacity: 1;
}

.capability-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-bg), #dbeafe);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.capability-item:hover .capability-icon {
    background: var(--gradient-blue);
}

.capability-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--primary);
    transition: var(--transition);
}

.capability-item:hover .capability-icon svg {
    fill: #fff;
}

.capability-item h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.capability-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* --- About --- */
.section-about {
    background: var(--bg-white);
    position: relative;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 2;
    color: var(--text-secondary);
    text-align: center;
    white-space: pre-line;
    padding: 40px;
    background: linear-gradient(135deg, #fafbff, #f0f4ff);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

/* --- Contact --- */
.section-contact {
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contact-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-blue);
    opacity: 0;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.contact-item:hover::after {
    opacity: 1;
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-bg), #dbeafe);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    background: var(--gradient-blue);
}

.contact-icon svg {
    width: 26px;
    height: 26px;
    fill: var(--primary);
    transition: var(--transition);
}

.contact-item:hover .contact-icon svg {
    fill: #fff;
}

.contact-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-item p {
    font-size: 15px;
    color: var(--text-secondary);
}

/* --- Footer --- */
.footer {
    background: linear-gradient(135deg, #0f0f23, #1a1a2e);
    color: rgba(255,255,255,0.7);
    padding: 56px 0 24px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-purple), var(--accent-cyan), var(--accent));
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    height: 32px;
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.footer-brand span {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    transition: var(--transition);
    padding: 6px 12px;
    border-radius: 16px;
}

.footer-links a:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.footer-bottom {
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

.footer-bottom a {
    color: rgba(255,255,255,0.5);
}

.footer-bottom a:hover {
    color: rgba(255,255,255,0.8);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-blue);
    color: #fff;
    border: none;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(26,115,232,0.3);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(26,115,232,0.4);
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Staggered animation delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Number counting animation */
.count-up {
    display: inline-block;
}

/* --- Responsive: Tablet --- */
@media (max-width: 968px) {
    .section {
        padding: 72px 0;
    }

    .section-title {
        font-size: 30px;
    }

    .section-subtitle {
        font-size: 15px;
        margin-bottom: 40px;
    }

    .banner-carousel {
        height: 480px;
    }

    .banner-content h1 {
        font-size: 36px;
    }

    .banner-content p {
        font-size: 17px;
    }

    .pain-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-value {
        font-size: 42px;
    }

    .timeline-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .timeline-container::before {
        display: none;
    }

    .feature-item,
    .feature-item.reverse {
        flex-direction: column;
        gap: 32px;
    }

    .feature-visual,
    .feature-text {
        min-width: unset;
        width: 100%;
    }

    .feature-img {
        height: 260px;
    }
}

/* --- Responsive: Mobile --- */
@media (max-width: 640px) {
    :root {
        --header-height: 60px;
    }

    .section {
        padding: 56px 0;
    }

    .container {
        padding: 0 16px;
    }

    .section-title {
        font-size: 26px;
    }

    .section-subtitle {
        font-size: 14px;
        margin-bottom: 32px;
    }

    /* Mobile nav */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        padding: 80px 24px 24px;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
        z-index: 1000;
        gap: 4px;
    }

    .nav.open {
        right: 0;
    }

    .nav a {
        width: 100%;
        text-align: left;
        padding: 14px 18px;
        font-size: 16px;
        border-radius: var(--radius-sm);
    }

    .nav-cta-btn {
        margin-left: 0;
        margin-top: 8px;
        text-align: center;
    }

    .mobile-toggle {
        display: flex;
    }

    /* Banner */
    .banner-carousel {
        height: 400px;
    }

    .banner-content h1 {
        font-size: 28px;
    }

    .banner-content p {
        font-size: 15px;
        margin-bottom: 24px;
    }

    .banner-cta {
        padding: 14px 32px;
        font-size: 15px;
    }

    .banner-arrow {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .banner-prev { left: 12px; }
    .banner-next { right: 12px; }

    /* Grids */
    .pain-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-value {
        font-size: 36px;
    }

    .stat-card {
        padding: 28px 16px;
    }

    .capability-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 24px 20px;
    }

    /* Timeline */
    .timeline-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* Solutions */
    .solutions-tabs .tab-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .solutions-content {
        padding: 28px;
    }

    /* CTA */
    .cta-content h2 {
        font-size: 26px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    /* Feature */
    .feature-text h3 {
        font-size: 22px;
    }

    .feature-img {
        height: 200px;
    }

    /* Product icon */
    .product-card-icon-bg {
        width: 64px;
        height: 64px;
    }

    .product-card-icon-bg svg {
        width: 32px;
        height: 32px;
    }

    /* Footer */
    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    /* Back to top */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}