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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,.25); }
html { scrollbar-width: thin; scrollbar-color: rgba(0,0,0,.15) transparent; scroll-behavior: smooth; }

:root {
    --c-primary: #007fff;
    --c-accent: #06b6d4;
    --c-dark: #0f172a;
    --c-dark2: #1e293b;
    --c-text: #334155;
    --c-text-light: #64748b;
    --c-border: #e2e8f0;
    --c-bg: #f8fafc;
    --c-white: #ffffff;
    --c-success: #10b981;
    --c-warning: #f59e0b;
    --c-purple: #8b5cf6;
    --radius: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
    --shadow-lg: 0 4px 24px rgba(0,0,0,.08), 0 12px 48px rgba(0,0,0,.04);
}

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: 10px; font-size: 15px; font-weight: 600;
    text-decoration: none; transition: all .25s; cursor: pointer; border: none;
}
.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    box-shadow: 0 4px 16px rgba(0,127,255,.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,127,255,.35); }
.btn-outline {
    color: var(--c-text); background: var(--c-white);
    border: 1px solid var(--c-border);
}
.btn-outline:hover { border-color: var(--c-primary); color: var(--c-primary); }

.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255,255,255,.8);
    border-bottom: 1px solid rgba(0,0,0,.04);
    transition: box-shadow .3s;
}
.nav.scrolled { box-shadow: 0 1px 12px rgba(0,0,0,.06); }
.nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo {
    font-size: 26px; font-weight: 900; color: var(--c-dark);
    text-decoration: none; display: flex; align-items: center; gap: 8px;
    letter-spacing: -0.5px;
}
.nav-logo span {
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}
.nav-logo span::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    border-radius: 2px;
    opacity: 0.3;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--c-text-light); font-size: 14px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--c-primary); }
.nav-cta {
    padding: 8px 20px; border-radius: 8px; font-size: 14px; font-weight: 600;
    text-decoration: none; color: #fff;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,127,255,.3); }

.hero {
    position: relative; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 50%, #f1f5f9 100%);
    overflow: hidden;
    padding: 120px 0 80px;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0,127,255,.08), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(6,182,212,.06), transparent),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(139,92,246,.04), transparent);
    pointer-events: none;
}
.hero::after {
    content: ''; position: absolute; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: .02; pointer-events: none;
}

.hero-glow {
    position: absolute; width: 600px; height: 600px; border-radius: 50%;
    filter: blur(120px); opacity: .3;
    animation: glowFloat 20s ease-in-out infinite;
}
.hero-glow-1 {
    top: -20%; left: 50%; transform: translateX(-50%);
    background: radial-gradient(circle, rgba(0,127,255,.2) 0%, transparent 70%);
}
.hero-glow-2 {
    bottom: -30%; right: -10%;
    background: radial-gradient(circle, rgba(6,182,212,.15) 0%, transparent 70%);
    animation-delay: -7s; animation-duration: 25s;
}
@keyframes glowFloat {
    0%, 100% { transform: translateX(-50%) translateY(0) scale(1); }
    25% { transform: translateX(-45%) translateY(-20px) scale(1.05); }
    50% { transform: translateX(-55%) translateY(10px) scale(.95); }
    75% { transform: translateX(-48%) translateY(-10px) scale(1.02); }
}

.hero-mesh {
    position: absolute; inset: 0;
    background-image: 
        linear-gradient(rgba(0,0,0,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,.02) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(0,0,0,.3), transparent);
}

.hero-particles { position: absolute; inset: 0; overflow: hidden; }
.hero-particle {
    position: absolute; border-radius: 50%;
    background: rgba(0,127,255,.15);
    animation: particleRise linear infinite;
}
@keyframes particleRise {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero-content { position: relative; z-index: 2; text-align: center; padding: 0 20px; }

.hero-title { margin-bottom: 24px; }
.hero-title-line {
    display: block; font-size: clamp(24px, 4vw, 36px); font-weight: 500;
    color: var(--c-text-light); margin-bottom: 8px; letter-spacing: -0.02em;
}
.hero-title-line::after {
    content: '|'; margin-left: 2px;
    animation: blink .8s step-end infinite;
    color: var(--c-primary);
}
.hero-title-line.done::after { content: ''; }
.hero-title-gradient {
    display: block; font-size: clamp(36px, 6vw, 64px); font-weight: 800;
    background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-primary) 50%, var(--c-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto; animation: gradientShift 4s ease infinite;
    letter-spacing: -0.03em; line-height: 1.1;
}
.typing-text::after {
    content: '|'; margin-left: 2px;
    animation: blink .8s step-end infinite;
    -webkit-text-fill-color: var(--c-primary);
}
.typing-text.done::after { content: ''; }
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}
@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero-actions {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
    margin-bottom: 48px; opacity: 0; transform: translateY(20px);
    transition: opacity .6s ease, transform .6s ease;
    transition-delay: .15s;
}
.typing-done .hero-actions {
    opacity: 1; transform: translateY(0);
}
.hero-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: 12px; font-size: 15px; font-weight: 600;
    text-decoration: none; transition: all .3s cubic-bezier(.4, 0, .2, 1);
    position: relative; overflow: hidden;
}
.hero-btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    box-shadow: 0 4px 24px rgba(0,127,255,.3), inset 0 1px 0 rgba(255,255,255,.2);
}
.hero-btn-primary::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,.2), transparent);
    opacity: 0; transition: opacity .3s;
}
.hero-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,127,255,.4), inset 0 1px 0 rgba(255,255,255,.2);
}
.hero-btn-primary:hover::before { opacity: 1; }
.hero-btn-ghost {
    color: var(--c-text);
    background: rgba(0,0,0,.03);
    border: 1px solid rgba(0,0,0,.08);
    backdrop-filter: blur(10px);
}
.hero-btn-ghost:hover {
    background: rgba(0,0,0,.06);
    border-color: rgba(0,0,0,.12);
    transform: translateY(-2px);
}

.hero-metrics {
    display: flex; align-items: center; justify-content: center; gap: 32px;
    opacity: 0; transform: translateY(20px);
    transition: opacity .6s ease, transform .6s ease;
    transition-delay: .3s;
}
.typing-done .hero-metrics {
    opacity: 1; transform: translateY(0);
}
.hero-metric { text-align: center; }
.hero-metric-value {
    display: flex; align-items: baseline; justify-content: center; gap: 2px;
    margin-bottom: 4px;
}
.hero-metric-num {
    font-size: clamp(28px, 4vw, 40px); font-weight: 800;
    background: linear-gradient(180deg, var(--c-dark), var(--c-text-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-variant-numeric: tabular-nums;
}
.hero-metric-plus {
    font-size: clamp(18px, 2.5vw, 24px); font-weight: 700;
    color: var(--c-primary);
}
.hero-metric-label {
    font-size: 13px; color: var(--c-text-light); font-weight: 500;
    letter-spacing: 0.02em;
}
.hero-metric-divider {
    width: 1px; height: 40px;
    background: linear-gradient(180deg, transparent, rgba(0,0,0,.1), transparent);
}

.hero-scroll {
    position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: var(--c-text-light); font-size: 12px;
    opacity: 0; animation: bounce 2s ease-in-out infinite;
}
.typing-done .hero-scroll {
    opacity: 1;
}
.hero-scroll-dot {
    width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary);
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.animate-out {
    opacity: 0 !important;
    transform: translateY(40px) !important;
}

.feat-row.animate-in .feat-visual {
    animation: slideInLeft 0.68s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.feat-row.animate-in .feat-text {
    animation: slideInRight 0.68s cubic-bezier(0.4, 0, 0.2, 1) 0.08s forwards;
}

.feat-row.reverse.animate-in .feat-visual {
    animation: slideInRight 0.68s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.feat-row.reverse.animate-in .feat-text {
    animation: slideInLeft 0.68s cubic-bezier(0.4, 0, 0.2, 1) 0.08s forwards;
}

.feature-card.animate-in {
    animation: fadeInScale 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.download-section.animate-in {
    animation: fadeInScale 0.68s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.section { padding: 60px 0; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-title { font-size: clamp(28px, 4vw, 42px); font-weight: 800; color: var(--c-dark); line-height: 1.2; margin-bottom: 16px; }
.section-desc { font-size: 16px; color: var(--c-text-light); max-width: 560px; margin: 0 auto; }

.feat-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
    margin-bottom: 80px;
}
.feat-row:last-child { margin-bottom: 0; }
.feat-row.reverse .feat-visual { order: 2; }
.feat-row.reverse .feat-text { order: 1; }
.feat-num {
    font-size: 48px; font-weight: 900; line-height: 1;
    background: linear-gradient(135deg, rgba(0,127,255,.12), rgba(6,182,212,.08));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}
.feat-text h3 { font-size: 24px; font-weight: 800; color: var(--c-dark); margin-bottom: 12px; }
.feat-text p { font-size: 15px; color: var(--c-text-light); line-height: 1.8; margin-bottom: 20px; }
.feat-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.feat-tags span {
    padding: 4px 12px; border-radius: 6px; font-size: 12px; font-weight: 600;
    background: var(--c-bg); color: var(--c-text-light); border: 1px solid var(--c-border);
}

.feat-mock {
    border-radius: 14px; overflow: hidden;
    background: var(--c-white); border: 1px solid var(--c-border);
    box-shadow: var(--shadow-lg);
}
.mock-bar {
    display: flex; gap: 6px; padding: 12px 16px;
    background: var(--c-bg); border-bottom: 1px solid var(--c-border);
}
.mock-bar span { width: 10px; height: 10px; border-radius: 50%; }
.mock-bar span:nth-child(1) { background: #ef4444; }
.mock-bar span:nth-child(2) { background: #f59e0b; }
.mock-bar span:nth-child(3) { background: #22c55e; }

.mock-portal { padding-bottom: 0; }
.mock-nav-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; }
.mock-logo { width: 60px; height: 10px; border-radius: 4px; background: var(--c-dark); }
.mock-nav-items { display: flex; gap: 16px; }
.mock-nav-items span { width: 36px; height: 8px; border-radius: 3px; background: #e2e8f0; }
.mock-tabs { display: flex; gap: 6px; padding: 0 20px 12px; }
.mock-tabs span { padding: 6px 20px; border-radius: 6px; background: #f1f5f9; }
.mock-tabs span.active { background: var(--c-primary); }
.mock-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; padding: 0 20px 12px; }
.mock-grid-3 div { height: 48px; border-radius: 8px; background: #f1f5f9; }

.mock-vip-card { padding: 20px; }
.mock-vip-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.mock-vip-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; color: #fff; }
.mock-vip-icon.v3 { background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); }
.mock-vip-title { font-size: 16px; font-weight: 700; color: var(--c-dark); }
.mock-vip-desc { font-size: 12px; color: var(--c-text-light); }
.mock-vip-features { display: flex; flex-direction: column; gap: 8px; }
.mock-vip-feature { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--c-text); }
.mock-vip-feature i { color: var(--c-success); font-size: 16px; }

.mock-pay-methods { padding: 20px; }
.mock-pay-title { font-size: 14px; font-weight: 600; color: var(--c-dark); margin-bottom: 16px; }
.mock-pay-options { display: flex; flex-direction: column; gap: 10px; }
.mock-pay-option {
    display: flex; align-items: center; gap: 12px; padding: 12px;
    border-radius: 10px; border: 1px solid var(--c-border); cursor: pointer;
    transition: all .2s;
}
.mock-pay-option:hover { border-color: var(--c-primary); }
.mock-pay-option.active { border-color: var(--c-primary); background: rgba(0,127,255,.04); }
.mock-pay-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.mock-pay-icon.wechat { background: #07c160; color: #fff; }
.mock-pay-icon.alipay { background: #1677ff; color: #fff; }
.mock-pay-name { font-size: 14px; font-weight: 600; color: var(--c-dark); }
.mock-pay-check { margin-left: auto; width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--c-border); position: relative; }
.mock-pay-option.active .mock-pay-check { border-color: var(--c-primary); background: var(--c-primary); }
.mock-pay-option.active .mock-pay-check::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 7px;
    width: 4px;
    height: 8px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.mock-user-center { padding: 20px; }
.mock-user-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--c-border); }
.mock-user-avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); }
.mock-user-name { font-size: 16px; font-weight: 700; color: var(--c-dark); }
.mock-user-id { font-size: 12px; color: var(--c-text-light); }
.mock-user-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.mock-stat-item { text-align: center; padding: 12px; background: var(--c-bg); border-radius: 8px; }
.mock-stat-val { font-size: 18px; font-weight: 800; color: var(--c-dark); }
.mock-stat-lbl { font-size: 11px; color: var(--c-text-light); }
.mock-menu-list { display: flex; flex-direction: column; gap: 4px; }
.mock-menu-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; font-size: 13px; color: var(--c-text); }
.mock-menu-item i { font-size: 18px; color: var(--c-primary); }
.mock-menu-item span { flex: 1; }
.mock-menu-item .arrow { color: var(--c-text-light); }

.features-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
    padding: 32px; border-radius: 16px; background: var(--c-white);
    border: 1px solid var(--c-border); transition: all .3s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-icon {
    width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
    font-size: 24px; margin-bottom: 20px;
}
.feature-icon.blue { background: rgba(0,127,255,.1); color: var(--c-primary); }
.feature-icon.green { background: rgba(16,185,129,.1); color: var(--c-success); }
.feature-icon.purple { background: rgba(139,92,246,.1); color: var(--c-purple); }
.feature-icon.amber { background: rgba(245,158,11,.1); color: var(--c-warning); }
.feature-icon.cyan { background: rgba(6,182,212,.1); color: var(--c-accent); }
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--c-dark); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--c-text-light); line-height: 1.6; }

.download-section {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 24px; padding: 64px; text-align: center; margin: 0 24px;
    border: 1px solid rgba(0,0,0,.05);
}
.download-section h2 { font-size: 36px; font-weight: 800; color: var(--c-dark); margin-bottom: 16px; }
.download-section p { font-size: 16px; color: var(--c-text-light); margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }
.download-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.footer {
    background: #fff; padding: 48px 0 24px; margin-top: 0;
    border-top: 1px solid rgba(0,0,0,.05);
}
.footer-content {
    display: flex; justify-content: space-between; align-items: flex-start; gap: 48px;
}
.footer-brand { flex: 1; }
.footer-brand p { max-width: 600px; }
.footer-brand h3 {
    font-size: 20px; font-weight: 800; margin-bottom: 12px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.footer-brand p { font-size: 14px; color: var(--c-text-light); line-height: 1.7; max-width: 600px; }
.footer-qrcodes { display: flex; gap: 24px; flex-shrink: 0; }
.footer-qrcode { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.footer-qrcode img { width: 99px; height: 99px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.footer-qrcode span { font-size: 12px; color: var(--c-text-light); }
.footer-bottom {
    margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(0,0,0,.05);
    text-align: center;
}
.footer-bottom p { font-size: 13px; color: var(--c-text-light); margin-bottom: 8px; }
.footer-bottom p:last-child { margin-bottom: 0; }
.footer-bottom a { color: var(--c-text-light); text-decoration: none; }
.footer-bottom a:hover { color: var(--c-primary); }
.footer-beian { font-size: 12px; }

@media (max-width: 992px) {
    .nav-links { display: none; }
    .feat-row { grid-template-columns: 1fr; gap: 32px; }
    .feat-row.reverse .feat-visual { order: 1; }
    .feat-row.reverse .feat-text { order: 2; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .download-section { padding: 48px 32px; margin: 0 16px; }
    .footer-content { flex-direction: column; align-items: center; text-align: center; }
    .footer-brand p { max-width: 100%; }
    .footer-qrcodes { gap: 32px; }
}
@media (max-width: 640px) {
    .hero-title-line { font-size: 18px; }
    .hero-title-gradient { font-size: 24px; }
    .hero-metrics { gap: 20px; flex-wrap: wrap; }
    .hero-metric-divider { display: none; }
    .hero-metric { min-width: 80px; }
    .hero-actions { flex-wrap: nowrap; }
    .hero-btn { padding: 12px 20px; font-size: 14px; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .download-section { padding: 32px 20px; border-radius: 16px; }
    .download-section h2 { font-size: 28px; }
}