@charset "UTF-8";

/* ========================================
   CSS Variables - New Design System
   ======================================== */
:root {
    --color-primary: #2563EB;
    --color-primary-dark: #1D4ED8;
    --color-secondary: #7C3AED;
    --color-accent: #06B6D4;
    --color-warning: #F59E0B;
    --color-success: #10B981;
    --color-bg: #ffffff;
    --color-bg-alt: #F8FAFC;
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-text-light: #94A3B8;
    --color-border: #E2E8F0;
    --color-footer: #0F172A;
    --color-footer-text: #94A3B8;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);
    --shadow-xl: 0 20px 60px rgba(37,99,235,.15);
    --max-width: 1200px;
    --header-height: 72px;
    --gradient-primary: linear-gradient(135deg, #1E3A8A 0%, #2563EB 35%, #7C3AED 70%, #06B6D4 100%);
    --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E3A8A 30%, #2563EB 60%, #7C3AED 100%);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all .25s ease;
}
a:hover { color: var(--color-secondary); }

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

.container {
    width: 100%;
    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;
    height: var(--header-height);
    background: transparent;
    transition: all .3s ease;
}
header.scrolled {
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(226,232,240,.8);
}
header.scrolled .logo { color: var(--color-text); }
header.scrolled .desktop-nav > a:not(.btn-outline):not(.btn-primary-sm) { color: var(--color-text); }

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    letter-spacing: .02em;
}
.logo:hover { color: #fff; opacity: .9; transform: translateY(-1px); }
header.scrolled .logo:hover { color: var(--color-primary); opacity: 1; }
.logo img { width: 40px; height: 40px; border-radius: 10px; }

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}
.desktop-nav > a {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,.9);
    border-radius: 8px;
    transition: all .25s ease;
    white-space: nowrap;
}
.desktop-nav > a:not(.btn-outline):not(.btn-primary-sm):hover {
    color: #fff;
    background: rgba(255,255,255,.15);
}

.btn-outline {
    color: #fff !important;
    border: 2px solid rgba(255,255,255,.4);
    border-radius: 8px;
    padding: 7px 18px !important;
}
.btn-outline:hover {
    background: rgba(255,255,255,.18);
    border-color: rgba(255,255,255,.7);
    transform: translateY(-1px);
}

.btn-primary-sm {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #fff !important;
    border-radius: 8px;
    padding: 8px 20px !important;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(37,99,235,.35);
}
.btn-primary-sm:hover { 
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,99,235,.45);
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #fff;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    transition: all .25s ease;
    box-shadow: 0 4px 16px rgba(37,99,235,.3);
}
.btn-primary:hover { 
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37,99,235,.4);
    color: #fff;
}

/* Menu toggle (mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
}
.menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: all .3s ease;
}
header.scrolled .menu-toggle span { background: var(--color-text); }
.menu-toggle.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(24px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all .35s ease;
}
.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}
.mobile-nav a {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-text);
    padding: 14px 28px;
    border-radius: 12px;
    transition: all .25s ease;
}
.mobile-nav a:hover { color: var(--color-primary); background: var(--color-bg-alt); }

/* ========================================
   Hero Section - Enhanced
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(6,182,212,.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(124,58,237,.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(37,99,235,.12) 0%, transparent 40%);
    animation: float 20s ease-in-out infinite;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 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 50v-6h-4v6h-6v4h6v6h4v-6h6v-4h-6zM50 10V4h-4v6h-6v4h6v6h4V18h6v-4h-6zM10 50v-6H6v6H0v4h6v6h4v-6h6v-4H10zM10 10V4H6v6H0v4h6v6h4V18h6v-4H10z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero > .container { position: relative; z-index: 1; }

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 60px;
    align-items: center;
    padding: 140px 0 80px;
}

.hero-content h1 {
    font-size: clamp(36px, 5.5vw, 60px);
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: .01em;
}
.hero-subtitle {
    color: rgba(255,255,255,.75);
    font-size: 20px;
    margin-bottom: 24px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-top: 40px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 48px;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    background: #fff;
    border-radius: 50px;
    box-shadow: 0 8px 30px rgba(0,0,0,.2);
    transition: all .3s ease;
    letter-spacing: .02em;
}
.btn-download:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0,0,0,.28);
}

.hero .version {
    color: rgba(255,255,255,.6);
    font-size: 15px;
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-image img {
    max-width: 100%;
    max-height: 480px;
    object-fit: contain;
    filter: drop-shadow(0 30px 60px rgba(0,0,0,.3));
    animation: floatDevice 6s ease-in-out infinite, fadeInUp .8s .2s both;
}

.hero-badge {
    text-align: center;
    color: #FBBF24;
    font-size: 17px;
    font-weight: 600;
    padding-bottom: 60px;
    animation: fadeInUp 1s .4s both;
}

/* ========================================
   Section Title - Enhanced
   ======================================== */
.section-title {
    text-align: center;
    font-size: clamp(30px, 4.5vw, 42px);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 56px;
}

/* ========================================
   Use Cases Section - NEW
   ======================================== */
.use-cases {
    padding: 100px 0;
    background: #fff;
}

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

.use-case-card {
    background: linear-gradient(180deg, #fff 0%, #F8FAFC 100%);
    border-radius: var(--radius);
    padding: 36px 32px;
    border: 1px solid var(--color-border);
    transition: all .35s ease;
    position: relative;
    overflow: hidden;
}
.use-case-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37,99,235,.08) 0%, rgba(124,58,237,.08) 100%);
    opacity: 0;
    transition: opacity .35s ease;
}
.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}
.use-case-card:hover::before { opacity: 1; }

.use-case-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: linear-gradient(135deg, #EEF2FF 0%, #F3E8FF 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    position: relative;
    font-size: 32px;
}

.use-case-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
    position: relative;
}
.use-case-card p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.8;
    position: relative;
}

/* ========================================
   Features Section - Enhanced
   ======================================== */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, #F8FAFC 0%, #fff 100%);
}

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

.feature-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    transition: all .35s ease;
    position: relative;
    overflow: hidden;
}
.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s ease;
}
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.feature-card:hover::after { transform: scaleX(1); }

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 100%);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 30px;
    transition: all .35s ease;
}
.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: var(--gradient-primary);
    color: #fff;
}
.feature-icon svg { width: 30px; height: 30px; }

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--color-text);
}
.feature-card p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ========================================
   Interface Showcase Section - NEW
   ======================================== */
.interface-showcase {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.showcase-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.showcase-container {
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.showcase-track {
    display: flex;
    transition: transform .5s ease;
}

.showcase-slide {
    min-width: 100%;
    padding: 8px;
    background: #fff;
}

.showcase-slide img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.showcase-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.showcase-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
    cursor: pointer;
    transition: all .3s ease;
}
.showcase-dot.active {
    background: var(--color-primary);
    transform: scale(1.3);
}
.showcase-dot:hover {
    background: var(--color-text-muted);
}

/* ========================================
   Stats Section - NEW
   ======================================== */
.stats {
    padding: 80px 0;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}
.stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 30% 50%, rgba(6,182,212,.12) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(124,58,237,.12) 0%, transparent 50%);
}
.stats > .container { position: relative; z-index: 1; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

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

.stat-number {
    font-size: clamp(40px, 6vw, 56px);
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 18px;
    color: rgba(255,255,255,.75);
    font-weight: 500;
}

/* ========================================
   Install Section - Enhanced
   ======================================== */
.install {
    padding: 100px 0;
    background: #fff;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-muted);
    background: var(--color-bg-alt);
    border: 2px solid var(--color-border);
    border-radius: 50px;
    cursor: pointer;
    transition: all .3s ease;
    white-space: nowrap;
}
.tab-btn:hover {
    color: var(--color-text);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}
.tab-btn.active {
    color: #fff;
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(37,99,235,.35);
}
.tab-btn.active svg { stroke: #fff; }
.tab-btn svg { stroke: currentColor; }

.tab-content {
    display: none;
    max-width: 720px;
    margin: 0 auto;
}
.tab-content.active { display: block; }

.install-steps {
    list-style: none;
    counter-reset: step;
}
.install-steps li {
    counter-increment: step;
    position: relative;
    padding: 20px 20px 20px 72px;
    font-size: 16px;
    color: var(--color-text);
    border-left: 3px solid var(--color-border);
    margin-left: 24px;
    transition: all .3s ease;
}
.install-steps li:hover { background: var(--color-bg-alt); border-radius: 0 12px 12px 0; }
.install-steps li:last-child { border-left-color: transparent; }
.install-steps li::before {
    content: counter(step);
    position: absolute;
    left: -24px;
    top: 16px;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid #fff;
    box-shadow: 0 4px 14px rgba(37,99,235,.3);
}
.install-steps a {
    color: var(--color-primary);
    font-weight: 600;
}

.warn-box {
    text-align: center;
    background: linear-gradient(135deg, #FFF7ED 0%, #FEF3C7 100%);
    border: 1px solid #FED7AA;
    border-radius: var(--radius);
    padding: 40px;
}
.warn-box p {
    font-size: 16px;
    color: #92400E;
    margin-bottom: 24px;
    line-height: 1.8;
}

/* ========================================
   Why Us Section (English version) - Enhanced
   ======================================== */
.why-us {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 56px;
    align-items: center;
}

.why-us-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.why-us-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.why-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: all .3s ease;
}
.why-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}
.why-item svg {
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 2px;
    width: 32px;
    height: 32px;
}
.why-item p {
    font-size: 16px;
    color: var(--color-text);
    line-height: 1.8;
}

@media (max-width: 768px) {
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .why-us-image {
        order: -1;
    }
}

/* ========================================
   CTA Section - Enhanced
   ======================================== */
.cta {
    padding: 100px 0;
    background: linear-gradient(180deg, #fff 0%, #F8FAFC 100%);
    text-align: center;
}
.cta h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 12px;
}
.cta p {
    color: var(--color-text-muted);
    margin-bottom: 40px;
    font-size: 18px;
}
.cta .btn-download {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 8px 30px rgba(37,99,235,.4);
}
.cta .btn-download:hover {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 12px 40px rgba(37,99,235,.5);
}
.cta .version {
    color: var(--color-text-light);
    font-size: 15px;
    margin-top: 20px;
}

/* ========================================
   Footer - Enhanced
   ======================================== */
footer {
    background: var(--color-footer);
    color: var(--color-footer-text);
    padding: 64px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 64px;
    margin-bottom: 40px;
}

footer h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links a {
    display: inline-block;
    color: var(--color-footer-text);
    font-size: 15px;
    margin-right: 32px;
    margin-bottom: 12px;
    transition: all .25s ease;
}
.footer-links a:hover { color: #fff; transform: translateY(-2px); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.12);
    padding-top: 32px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}
.footer-bottom p { margin: 0; }
.beian { display: flex; gap: 28px; flex-wrap: wrap; }
.beian a, .footer-bottom a {
    color: var(--color-footer-text);
    font-size: 14px;
}
.beian a:hover { color: #fff; }

/* ========================================
   Animations - Enhanced
   ======================================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes floatDevice {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes float {
    0%, 100% { transform: translate(0,0); }
    33% { transform: translate(10px, -10px); }
    66% { transform: translate(-10px, 10px); }
}

.feature-card, .use-case-card, .why-item {
    opacity: 0;
    animation: fadeInUp .7s ease both;
}
.feature-card:nth-child(1) { animation-delay: .05s; }
.feature-card:nth-child(2) { animation-delay: .1s; }
.feature-card:nth-child(3) { animation-delay: .15s; }
.feature-card:nth-child(4) { animation-delay: .2s; }
.feature-card:nth-child(5) { animation-delay: .25s; }
.feature-card:nth-child(6) { animation-delay: .3s; }

.use-case-card:nth-child(1) { animation-delay: .05s; }
.use-case-card:nth-child(2) { animation-delay: .1s; }
.use-case-card:nth-child(3) { animation-delay: .15s; }

.why-item:nth-child(1) { animation-delay: .1s; }
.why-item:nth-child(2) { animation-delay: .2s; }
.why-item:nth-child(3) { animation-delay: .3s; }
.why-item:nth-child(4) { animation-delay: .4s; }

/* Scroll reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all .7s ease;
}
.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive - Enhanced
   ======================================== */
@media (max-width: 768px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: flex; }
    .mobile-nav { display: flex; }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 120px 0 48px;
        text-align: center;
    }
    .hero-content h1 { margin-bottom: 20px; }
    .hero-actions {
        align-items: center;
    }
    .hero-image {
        order: -1;
    }
    .hero-image img {
        max-height: 280px;
    }

    .features-grid, .use-cases-grid, .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .beian { flex-direction: column; gap: 10px; }

    .tabs { flex-direction: column; align-items: center; }
    .tab-btn { width: 100%; max-width: 340px; justify-content: center; }

    .install-steps li {
        padding: 16px 16px 16px 56px;
        margin-left: 16px;
    }
    .install-steps li::before {
        width: 40px;
        height: 40px;
        font-size: 16px;
        left: -20px;
    }

    .header-inner { padding: 0 16px; }
    .container { padding: 0 16px; }

    .hero-badge { padding-bottom: 48px; }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid, .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-grid { grid-template-columns: 1fr 1fr; }
}