:root {
--primary: #F6851B;
--primary-dark: #E2761B;
--primary-light: #FFB347;
--secondary: #037DD6;
--accent-purple: #8B5CF6;
--accent-blue: #00D4FF;
--accent-pink: #F472B6;
--bg-dark: #0A0A0F;
--bg-darker: #050508;
--bg-card: #12121A;
--bg-card-hover: #1A1A25;
--border-color: rgba(255, 255, 255, 0.08);
--border-glow: rgba(246, 133, 27, 0.3);
--text-primary: #FFFFFF;
--text-secondary: #A0A0B0;
--text-muted: #6B6B7B;
--gradient-primary: linear-gradient(135deg, #F6851B 0%, #E2761B 50%, #CD6116 100%);
--gradient-accent: linear-gradient(135deg, #8B5CF6 0%, #F6851B 100%);
--gradient-dark: linear-gradient(180deg, #0A0A0F 0%, #12121A 100%);
--glow-primary: 0 0 20px rgba(246, 133, 27, 0.4);
--glow-accent: 0 0 30px rgba(139, 92, 246, 0.3);
--radius-sm: 8px;
--radius-md: 12px;
--radius-lg: 16px;
--radius-xl: 24px;
--shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
--shadow-glow: 0 0 40px rgba(246, 133, 27, 0.15);
--transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
--header-height: 80px;
}

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

html {
scroll-behavior: smooth;
font-size: 16px;
width: 100%;
}

body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
color: var(--text-primary);
background: var(--bg-dark);
line-height: 1.7;
overflow-x: hidden;
min-height: 100vh;
width: 100%;
}

.grid-bg {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-image: 
linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
background-size: 60px 60px;
pointer-events: none;
z-index: 0;
}

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

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

ul, ol {
list-style: none;
}

.container {
width: 100%;
max-width: 1200px;
margin-left: auto;
margin-right: auto;
padding: 0 24px;
position: relative;
z-index: 1;
}

.text-gradient {
background: var(--gradient-accent);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}

.btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 8px;
padding: 14px 28px;
font-size: 1rem;
font-weight: 600;
border: none;
border-radius: var(--radius-md);
cursor: pointer;
transition: var(--transition);
white-space: nowrap;
}

.btn-primary {
background: var(--gradient-primary);
color: var(--text-primary);
box-shadow: var(--glow-primary);
}

.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 0 30px rgba(246, 133, 27, 0.6);
}

.btn-outline {
background: transparent;
color: var(--text-primary);
border: 2px solid var(--border-color);
}

.btn-outline:hover {
border-color: var(--primary);
color: var(--primary);
}

.btn-light {
background: var(--text-primary);
color: var(--bg-dark);
}

.btn-light:hover {
background: var(--text-secondary);
transform: translateY(-2px);
}

.btn-lg {
padding: 18px 36px;
font-size: 1.125rem;
border-radius: var(--radius-lg);
}

.btn-glow {
animation: btnGlow 2s ease-in-out infinite alternate;
}

@keyframes btnGlow {
from {
box-shadow: 0 0 20px rgba(246, 133, 27, 0.4);
}
to {
box-shadow: 0 0 40px rgba(246, 133, 27, 0.7), 0 0 60px rgba(246, 133, 27, 0.3);
}
}

.btn-icon {
font-size: 1.25rem;
}

.card {
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius-lg);
transition: var(--transition);
overflow: hidden;
}

.card:hover {
border-color: rgba(246, 133, 27, 0.3);
box-shadow: var(--shadow-glow);
}

.card-glow {
position: relative;
}

.card-glow::before {
content: "";
position: absolute;
top: -1px;
left: -1px;
right: -1px;
bottom: -1px;
background: var(--gradient-accent);
border-radius: var(--radius-lg);
z-index: -1;
opacity: 0;
transition: var(--transition);
}

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

.card-dark {
background: var(--bg-darker);
}

.card-gradient {
background: var(--gradient-primary);
border: none;
}

.header {
position: fixed;
top: 0;
left: 0;
right: 0;
height: var(--header-height);
background: rgba(10, 10, 15, 0.8);
backdrop-filter: blur(20px);
border-bottom: 1px solid var(--border-color);
z-index: 1000;
transition: var(--transition);
}

.header.scrolled {
background: rgba(10, 10, 15, 0.95);
box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-container {
max-width: 1200px;
margin-left: auto;
margin-right: 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: 1.375rem;
font-weight: 700;
color: var(--text-primary);
}

.logo img {
width: 40px;
height: 40px;
border-radius: var(--radius-sm);
}

.nav-desktop {
display: flex;
align-items: center;
gap: 36px;
}

.nav-desktop a {
font-size: 0.9375rem;
font-weight: 500;
color: var(--text-secondary);
position: relative;
}

.nav-desktop a::after {
content: "";
position: absolute;
bottom: -6px;
left: 0;
width: 0;
height: 2px;
background: var(--gradient-primary);
transition: var(--transition);
}

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

.nav-desktop a:hover::after {
width: 100%;
}

.header-actions {
display: flex;
align-items: center;
gap: 16px;
}

.nav-toggle {
display: none;
flex-direction: column;
gap: 5px;
padding: 8px;
background: none;
border: none;
cursor: pointer;
}

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

.nav-mobile {
display: none;
position: fixed;
top: var(--header-height);
left: 0;
right: 0;
background: rgba(10, 10, 15, 0.98);
backdrop-filter: blur(20px);
padding: 24px;
flex-direction: column;
gap: 16px;
border-bottom: 1px solid var(--border-color);
transform: translateY(-100%);
opacity: 0;
transition: var(--transition);
z-index: 999;
}

.nav-mobile.active {
transform: translateY(0);
opacity: 1;
}

.nav-mobile a {
padding: 14px 0;
font-size: 1.0625rem;
font-weight: 500;
color: var(--text-secondary);
border-bottom: 1px solid var(--border-color);
}

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

.hero {
position: relative;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
padding: calc(var(--header-height) + 60px) 0 80px;
overflow: hidden;
width: 100%;
}

.hero-glow {
position: absolute;
top: 0;
right: 0;
width: 60%;
height: 100%;
background: radial-gradient(ellipse at center, rgba(246, 133, 27, 0.12) 0%, transparent 60%);
pointer-events: none;
}

.hero .container {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 60px;
align-items: center;
}

.hero-content {
position: relative;
z-index: 2;
}

.breadcrumb {
display: flex;
align-items: center;
gap: 8px;
margin-bottom: 24px;
font-size: 0.875rem;
color: var(--text-muted);
}

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

.hero h1 {
font-size: clamp(2.5rem, 5vw, 4rem);
font-weight: 800;
line-height: 1.15;
margin-bottom: 16px;
letter-spacing: -0.02em;
}

.hero-subtitle {
font-size: 1.25rem;
color: var(--text-secondary);
margin-bottom: 20px;
}

.hero-desc {
font-size: 1.0625rem;
color: var(--text-muted);
line-height: 1.8;
margin-bottom: 36px;
max-width: 540px;
}

.hero-btns {
display: flex;
gap: 16px;
flex-wrap: wrap;
margin-bottom: 48px;
}

.hero-stats {
display: flex;
gap: 48px;
}

.stat-item {
display: flex;
flex-direction: column;
}

.stat-value {
font-size: 2rem;
font-weight: 700;
background: var(--gradient-accent);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}

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

.hero-visual {
position: relative;
display: flex;
justify-content: center;
align-items: center;
}

.hero-image-wrapper {
position: relative;
}

.hero-image-wrapper img {
border-radius: var(--radius-xl);
box-shadow: var(--shadow-card);
}

.hero-image-glow {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 120%;
height: 120%;
background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.2) 0%, transparent 60%);
pointer-events: none;
z-index: -1;
}

.section {
position: relative;
padding: 100px 0;
z-index: 1;
width: 100%;
}

.section-dark {
background: var(--bg-darker);
}

.section-header {
text-align: center;
margin-bottom: 60px;
}

.section-tag {
display: inline-block;
padding: 8px 16px;
background: rgba(246, 133, 27, 0.1);
border: 1px solid rgba(246, 133, 27, 0.3);
border-radius: var(--radius-sm);
font-size: 0.8125rem;
font-weight: 600;
color: var(--primary);
text-transform: uppercase;
letter-spacing: 0.1em;
margin-bottom: 20px;
}

.section h2 {
font-size: clamp(2rem, 4vw, 3rem);
font-weight: 700;
margin-bottom: 16px;
letter-spacing: -0.02em;
}

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

.intro-grid {
display: grid;
grid-template-columns: 1.2fr 0.8fr;
gap: 60px;
align-items: start;
}

.intro-main .card {
padding: 0;
}

.card-content {
padding: 40px;
}

.card-content h3 {
font-size: 1.5rem;
font-weight: 600;
margin-bottom: 20px;
}

.card-content p {
color: var(--text-secondary);
margin-bottom: 16px;
font-size: 1rem;
}

.feature-list {
margin-top: 24px;
}

.feature-list li {
position: relative;
padding-left: 28px;
margin-bottom: 14px;
color: var(--text-secondary);
}

.feature-list li::before {
content: "✓";
position: absolute;
left: 0;
color: var(--primary);
font-weight: 700;
}

.intro-side .card {
padding: 20px;
margin-bottom: 20px;
display: flex;
justify-content: center;
}

.intro-side img {
border-radius: var(--radius-md);
}

.intro-badges {
display: flex;
flex-wrap: wrap;
gap: 10px;
}

.badge {
padding: 8px 16px;
background: rgba(255, 255, 255, 0.05);
border: 1px solid var(--border-color);
border-radius: var(--radius-sm);
font-size: 0.8125rem;
color: var(--text-secondary);
}

.features-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 24px;
margin-bottom: 48px;
}

.feature-card {
padding: 32px 24px;
text-align: center;
}

.feature-icon {
width: 100px;
height: 100px;
margin: 0 auto 24px;
border-radius: var(--radius-lg);
overflow: hidden;
background: var(--bg-darker);
display: flex;
align-items: center;
justify-content: center;
}

.feature-icon img {
width: 80%;
height: 80%;
object-fit: contain;
}

.feature-card h3 {
font-size: 1.125rem;
font-weight: 600;
margin-bottom: 12px;
}

.feature-card p {
font-size: 0.9375rem;
color: var(--text-muted);
}

.features-banner .card {
display: grid;
grid-template-columns: 1fr 1fr;
align-items: center;
}

.banner-content {
padding: 48px;
}

.banner-content h3 {
font-size: 1.75rem;
font-weight: 700;
margin-bottom: 16px;
color: var(--text-primary);
}

.banner-content p {
color: rgba(255, 255, 255, 0.8);
margin-bottom: 24px;
}

.banner-image {
height: 100%;
}

.banner-image img {
width: 100%;
height: 100%;
object-fit: cover;
}

.download-grid {
display: grid;
grid-template-columns: 1fr 360px;
gap: 48px;
align-items: start;
}

.download-platforms {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 20px;
}

.platform-card {
padding: 32px;
text-align: center;
}

.platform-icon {
width: 64px;
height: 64px;
margin: 0 auto 20px;
border-radius: var(--radius-md);
background: var(--bg-darker);
display: flex;
align-items: center;
justify-content: center;
font-size: 2rem;
}

.platform-icon.chrome::before { content: "🌐"; }
.platform-icon.firefox::before { content: "🦊"; }
.platform-icon.ios::before { content: "📱"; }
.platform-icon.android::before { content: "🤖"; }

.platform-card h3 {
font-size: 1.125rem;
font-weight: 600;
margin-bottom: 12px;
}

.platform-card p {
font-size: 0.875rem;
color: var(--text-muted);
margin-bottom: 20px;
min-height: 48px;
}

.download-preview {
position: sticky;
top: calc(var(--header-height) + 24px);
}

.phone-mockup {
background: linear-gradient(180deg, #2D2D3A 0%, #1A1A25 100%);
border-radius: 40px;
padding: 12px;
box-shadow: var(--shadow-card), 0 0 60px rgba(246, 133, 27, 0.1);
position: relative;
}

.phone-notch {
position: absolute;
top: 20px;
left: 50%;
transform: translateX(-50%);
width: 120px;
height: 28px;
background: #000;
border-radius: 20px;
z-index: 10;
}

.phone-screen {
border-radius: 32px;
overflow: hidden;
}

.phone-screen img {
width: 100%;
}

.download-tips {
margin-top: 24px;
padding: 24px;
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius-lg);
}

.download-tips h4 {
font-size: 1rem;
font-weight: 600;
margin-bottom: 16px;
color: var(--primary);
}

.download-tips li {
position: relative;
padding-left: 20px;
margin-bottom: 10px;
font-size: 0.875rem;
color: var(--text-secondary);
}

.download-tips li::before {
content: "•";
position: absolute;
left: 0;
color: var(--primary);
}

.guide-steps {
max-width: 800px;
margin: 0 auto 60px;
}

.guide-step {
display: flex;
gap: 24px;
margin-bottom: 24px;
}

.step-number {
flex-shrink: 0;
width: 60px;
height: 60px;
background: var(--gradient-primary);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.25rem;
font-weight: 700;
color: var(--text-primary);
}

.step-card {
flex: 1;
padding: 28px 32px;
}

.step-card h3 {
font-size: 1.25rem;
font-weight: 600;
margin-bottom: 12px;
}

.step-card p {
color: var(--text-secondary);
font-size: 0.9375rem;
}

.step-highlight {
margin-top: 16px;
padding: 12px 16px;
background: rgba(246, 133, 27, 0.1);
border-left: 3px solid var(--primary);
border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
font-size: 0.875rem;
color: var(--primary);
}

.step-tags {
display: flex;
flex-wrap: wrap;
gap: 8px;
margin-top: 16px;
}

.step-tags span {
padding: 6px 14px;
background: var(--bg-darker);
border-radius: var(--radius-sm);
font-size: 0.8125rem;
color: var(--text-secondary);
}

.guide-preview {
text-align: center;
}

.guide-preview h3 {
font-size: 1.25rem;
margin-bottom: 32px;
}

.app-showcase {
display: flex;
justify-content: center;
gap: 24px;
flex-wrap: wrap;
}

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

.showcase-item img {
border-radius: var(--radius-lg);
box-shadow: var(--shadow-card);
margin-bottom: 12px;
}

.showcase-item span {
font-size: 0.875rem;
color: var(--text-muted);
}

.security-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 24px;
margin-bottom: 32px;
}

.security-card {
padding: 32px;
}

.security-icon {
font-size: 2.5rem;
margin-bottom: 20px;
}

.security-card h3 {
font-size: 1.25rem;
font-weight: 600;
margin-bottom: 12px;
}

.security-card > p {
color: var(--text-secondary);
font-size: 0.9375rem;
margin-bottom: 16px;
}

.security-card ul li {
position: relative;
padding-left: 20px;
margin-bottom: 10px;
font-size: 0.875rem;
color: var(--text-muted);
}

.security-card ul li::before {
content: "→";
position: absolute;
left: 0;
color: var(--primary);
}

.security-important {
border-color: rgba(246, 133, 27, 0.5);
background: linear-gradient(135deg, rgba(246, 133, 27, 0.08) 0%, var(--bg-card) 100%);
}

.security-notice {
display: flex;
align-items: flex-start;
gap: 16px;
padding: 20px 24px;
background: rgba(239, 68, 68, 0.08);
border: 1px solid rgba(239, 68, 68, 0.3);
border-radius: var(--radius-lg);
}

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

.notice-content p {
font-size: 0.9375rem;
color: #F87171;
margin: 0;
}

.faq-grid {
display: grid;
grid-template-columns: 1fr 360px;
gap: 48px;
align-items: start;
}

.faq-list {
display: flex;
flex-direction: column;
gap: 12px;
}

.faq-item {
overflow: hidden;
}

.faq-question {
width: 100%;
padding: 20px 24px;
display: flex;
align-items: center;
justify-content: space-between;
gap: 16px;
background: none;
border: none;
cursor: pointer;
text-align: left;
font-size: 1rem;
font-weight: 600;
color: var(--text-primary);
transition: var(--transition);
}

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

.faq-icon {
width: 20px;
height: 20px;
position: relative;
flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
content: "";
position: absolute;
top: 50%;
left: 50%;
width: 12px;
height: 2px;
background: var(--primary);
transform: translate(-50%, -50%);
transition: var(--transition);
}

.faq-icon::after {
transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item.active .faq-icon::after {
transform: translate(-50%, -50%) rotate(0);
}

.faq-answer {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
max-height: 300px;
}

.faq-answer p {
padding: 0 24px 20px;
color: var(--text-secondary);
font-size: 0.9375rem;
line-height: 1.8;
}

.faq-contact .card {
padding: 40px;
text-align: center;
}

.faq-contact h3 {
font-size: 1.5rem;
font-weight: 600;
margin-bottom: 12px;
color: var(--text-primary);
}

.faq-contact p {
color: rgba(255, 255, 255, 0.8);
margin-bottom: 24px;
}

.ecosystem-content {
display: flex;
flex-direction: column;
gap: 48px;
}

.ecosystem-networks {
display: flex;
justify-content: center;
flex-wrap: wrap;
gap: 20px;
}

.network-item {
display: flex;
flex-direction: column;
align-items: center;
gap: 12px;
padding: 20px 28px;
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius-lg);
transition: var(--transition);
}

.network-item:hover {
border-color: var(--primary);
transform: translateY(-4px);
}

.network-icon {
width: 48px;
height: 48px;
border-radius: 50%;
background: var(--bg-darker);
display: flex;
align-items: center;
justify-content: center;
font-size: 1.5rem;
}

.network-icon.eth::before { content: "⟠"; color: #627EEA; }
.network-icon.bsc::before { content: "◆"; color: #F0B90B; }
.network-icon.polygon::before { content: "⬡"; color: #8247E5; }
.network-icon.arbitrum::before { content: "◈"; color: #28A0F0; }
.network-icon.optimism::before { content: "◉"; color: #FF0420; }
.network-icon.avalanche::before { content: "▲"; color: #E84142; }
.network-icon.fantom::before { content: "◆"; color: #1969FF; }
.network-icon.more::before { content: "+"; color: var(--text-muted); }

.network-item span {
font-size: 0.875rem;
color: var(--text-secondary);
}

.ecosystem-info {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 48px;
align-items: center;
}

.ecosystem-info .card {
padding: 16px;
}

.ecosystem-info img {
border-radius: var(--radius-md);
}

.ecosystem-text h3 {
font-size: 1.5rem;
font-weight: 600;
margin-bottom: 16px;
}

.ecosystem-text p {
color: var(--text-secondary);
margin-bottom: 24px;
}

.about-content {
max-width: 800px;
margin: 0 auto;
text-align: center;
}

.about-content h2 {
font-size: 1.75rem;
margin-bottom: 24px;
}

.about-content p {
color: var(--text-secondary);
margin-bottom: 16px;
}

.cta-section {
background: linear-gradient(135deg, rgba(246, 133, 27, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
border-top: 1px solid var(--border-color);
border-bottom: 1px solid var(--border-color);
}

.cta-content {
text-align: center;
max-width: 600px;
margin: 0 auto;
}

.cta-content h2 {
font-size: 2.5rem;
font-weight: 700;
margin-bottom: 16px;
}

.cta-content p {
font-size: 1.125rem;
color: var(--text-secondary);
margin-bottom: 32px;
}

.cta-btns {
display: flex;
justify-content: center;
gap: 16px;
flex-wrap: wrap;
}

.footer {
background: var(--bg-darker);
padding: 60px 0 32px;
border-top: 1px solid var(--border-color);
}

.footer-main {
display: grid;
grid-template-columns: 280px 1fr;
gap: 60px;
padding-bottom: 40px;
border-bottom: 1px solid var(--border-color);
}

.footer-brand {
display: flex;
align-items: center;
gap: 16px;
}

.footer-brand img {
width: 48px;
height: 48px;
border-radius: var(--radius-sm);
}

.brand-info {
display: flex;
flex-direction: column;
}

.brand-name {
font-size: 1.25rem;
font-weight: 700;
}

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

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

.footer-col h4 {
font-size: 0.9375rem;
font-weight: 600;
margin-bottom: 20px;
color: var(--text-primary);
}

.footer-col a {
display: block;
padding: 8px 0;
color: var(--text-muted);
font-size: 0.9375rem;
transition: var(--transition);
}

.footer-col a:hover {
color: var(--primary);
padding-left: 8px;
}

.footer-bottom {
padding-top: 32px;
text-align: center;
}

.footer-bottom p {
color: var(--text-muted);
font-size: 0.8125rem;
margin-bottom: 8px;
}

.back-to-top {
position: fixed;
bottom: 100px;
right: 24px;
width: 48px;
height: 48px;
background: var(--gradient-primary);
border: none;
border-radius: 50%;
cursor: pointer;
opacity: 0;
visibility: hidden;
transition: var(--transition);
box-shadow: var(--glow-primary);
z-index: 900;
}

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

.back-to-top:hover {
transform: translateY(-4px);
box-shadow: 0 0 30px rgba(246, 133, 27, 0.6);
}

.back-to-top span {
display: block;
width: 12px;
height: 12px;
margin: auto;
border-top: 3px solid var(--text-primary);
border-right: 3px solid var(--text-primary);
transform: rotate(-45deg) translate(2px, 2px);
}

@media (max-width: 1024px) {
.hero .container {
display: flex !important;
flex-direction: column !important;
gap: 40px;
text-align: center;
}

.hero-content {
order: 2 !important;
width: 100%;
}

.hero-visual {
order: 1 !important;
width: 100%;
display: flex;
justify-content: center;
}

.hero-desc {
max-width: 100%;
margin: 0 auto 36px;
}

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

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

.hero-image-wrapper img {
max-width: 400px;
margin: 0 auto;
}

.intro-grid {
grid-template-columns: 1fr;
}

.intro-side {
display: grid;
grid-template-columns: 300px 1fr;
gap: 24px;
align-items: center;
}

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

.features-banner .card {
grid-template-columns: 1fr;
}

.banner-image {
height: 200px;
}

.download-grid {
grid-template-columns: 1fr;
}

.download-preview {
position: static;
display: flex;
flex-direction: column;
align-items: center;
}

.phone-mockup {
max-width: 300px;
}

.security-grid {
grid-template-columns: 1fr;
}

.faq-grid {
grid-template-columns: 1fr;
}

.faq-contact {
order: -1;
margin-bottom: 24px;
}

.ecosystem-info {
grid-template-columns: 1fr;
}

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

@media (max-width: 768px) {
:root {
--header-height: 70px;
}

.nav-desktop,
.header-actions {
display: none !important;
}

.nav-toggle {
display: flex !important;
}

.nav-mobile {
display: flex;
}

.section {
padding: 60px 0;
}

.hero {
padding-top: calc(var(--header-height) + 24px);
padding-bottom: 60px;
min-height: auto;
}

.hero .container {
display: flex !important;
flex-direction: column !important;
gap: 24px;
text-align: center;
}

.hero-content {
order: 2 !important;
width: 100%;
}

.hero-visual {
order: 1 !important;
width: 100%;
display: flex;
justify-content: center;
}

.hero-image-wrapper {
max-width: 260px;
margin: 0 auto;
}

.hero-image-wrapper img {
width: 100%;
height: auto;
}

.hero h1 {
font-size: 1.75rem;
line-height: 1.3;
margin-bottom: 12px;
}

.hero-subtitle {
font-size: 1rem;
margin-bottom: 16px;
}

.hero-desc {
font-size: 0.9375rem;
margin-bottom: 28px;
max-width: 100%;
line-height: 1.7;
margin-left: auto;
margin-right: auto;
}

.hero-btns {
flex-direction: column;
width: 100%;
gap: 12px;
margin-bottom: 32px;
justify-content: center;
align-items: center;
}

.hero-btns .btn {
width: 100%;
max-width: 300px;
padding: 16px 24px;
}

.hero-stats {
flex-direction: row;
flex-wrap: wrap;
justify-content: center;
gap: 24px;
}

.stat-item {
flex-direction: column;
align-items: center;
gap: 4px;
min-width: 80px;
}

.stat-value {
font-size: 1.5rem;
}

.stat-label {
font-size: 0.75rem;
}

.breadcrumb {
font-size: 0.75rem;
margin-bottom: 16px;
flex-wrap: wrap;
justify-content: center;
}

.features-grid {
grid-template-columns: 1fr;
}

.download-platforms {
grid-template-columns: 1fr;
}

.guide-step {
flex-direction: column;
}

.step-number {
width: 48px;
height: 48px;
font-size: 1rem;
}

.app-showcase {
gap: 12px;
}

.showcase-item img {
width: 140px;
height: auto;
}

.ecosystem-networks {
gap: 12px;
}

.network-item {
padding: 16px 20px;
}

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

.back-to-top {
bottom: 80px;
right: 16px;
}

.section-header {
margin-bottom: 40px;
}

.section h2 {
font-size: 1.5rem;
}

.section-desc {
font-size: 1rem;
}

.section-tag {
font-size: 0.75rem;
padding: 6px 12px;
}

.intro-grid {
grid-template-columns: 1fr;
gap: 24px;
}

.intro-side {
display: flex;
flex-direction: column;
gap: 16px;
}

.intro-side .card {
max-width: 280px;
margin: 0 auto;
}

.intro-badges {
justify-content: center;
}

.card-content {
padding: 24px;
}

.card-content h3 {
font-size: 1.25rem;
}

.feature-list li {
font-size: 0.9375rem;
}

.features-banner .card {
grid-template-columns: 1fr;
}

.banner-content {
padding: 24px;
text-align: center;
}

.banner-content h3 {
font-size: 1.25rem;
}

.banner-image {
height: 160px;
}

.download-grid {
grid-template-columns: 1fr;
gap: 32px;
}

.download-preview {
order: -1;
}

.phone-mockup {
max-width: 260px;
margin: 0 auto;
}

.download-tips {
padding: 20px;
}

.platform-card {
padding: 24px;
}

.platform-card p {
min-height: auto;
margin-bottom: 16px;
}

.guide-steps {
margin-bottom: 40px;
}

.step-card {
padding: 20px 24px;
}

.step-card h3 {
font-size: 1.125rem;
}

.guide-preview h3 {
font-size: 1.125rem;
margin-bottom: 24px;
}

.showcase-item span {
font-size: 0.75rem;
}

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

.security-card {
padding: 24px;
}

.security-icon {
font-size: 2rem;
margin-bottom: 16px;
}

.security-card h3 {
font-size: 1.125rem;
}

.security-notice {
flex-direction: column;
gap: 12px;
padding: 16px 20px;
}

.faq-grid {
grid-template-columns: 1fr;
gap: 24px;
}

.faq-contact {
order: -1;
}

.faq-contact .card {
padding: 24px;
}

.faq-contact h3 {
font-size: 1.25rem;
}

.faq-question {
padding: 16px 20px;
font-size: 0.9375rem;
}

.faq-answer p {
padding: 0 20px 16px;
font-size: 0.875rem;
}

.ecosystem-info {
grid-template-columns: 1fr;
gap: 24px;
}

.ecosystem-text h3 {
font-size: 1.25rem;
}

.about-content h2 {
font-size: 1.5rem;
}

.about-content p {
font-size: 0.9375rem;
}

.cta-content h2 {
font-size: 1.75rem;
}

.cta-content p {
font-size: 1rem;
}

.cta-btns {
flex-direction: column;
gap: 12px;
}

.cta-btns .btn {
width: 100%;
}

.footer-main {
grid-template-columns: 1fr;
gap: 32px;
}

.footer-brand {
justify-content: center;
}

.footer-links {
text-align: center;
}

.footer-col h4 {
margin-bottom: 16px;
}

.footer-col a {
padding: 6px 0;
}

.footer-col a:hover {
padding-left: 0;
}
}

@media (max-width: 480px) {
.container {
padding: 0 16px;
}

.hero h1 {
font-size: 1.5rem;
}

.hero-subtitle {
font-size: 0.9375rem;
}

.hero-desc {
font-size: 0.875rem;
}

.hero-image-wrapper {
max-width: 200px;
}

.hero-stats {
gap: 16px;
}

.stat-item {
min-width: 70px;
}

.stat-value {
font-size: 1.25rem;
}

.hero-btns .btn {
max-width: 100%;
}

.btn {
padding: 12px 20px;
font-size: 0.9375rem;
}

.btn-lg {
padding: 14px 24px;
font-size: 1rem;
}

.intro-badges {
gap: 8px;
}

.badge {
padding: 6px 12px;
font-size: 0.75rem;
}

.feature-icon {
width: 80px;
height: 80px;
}

.feature-card {
padding: 20px;
}

.feature-card h3 {
font-size: 1rem;
}

.feature-card p {
font-size: 0.875rem;
}

.platform-icon {
width: 48px;
height: 48px;
font-size: 1.5rem;
}

.platform-card h3 {
font-size: 1rem;
}

.platform-card p {
font-size: 0.8125rem;
}

.step-number {
width: 40px;
height: 40px;
font-size: 0.875rem;
}

.step-card {
padding: 16px 20px;
}

.step-card h3 {
font-size: 1rem;
}

.step-card p {
font-size: 0.875rem;
}

.step-highlight {
font-size: 0.8125rem;
padding: 10px 12px;
}

.step-tags span {
font-size: 0.75rem;
padding: 4px 10px;
}

.showcase-item img {
width: 100px;
}

.security-card {
padding: 20px;
}

.security-icon {
font-size: 1.75rem;
}

.security-card h3 {
font-size: 1rem;
}

.security-card > p {
font-size: 0.875rem;
}

.security-card ul li {
font-size: 0.8125rem;
}

.network-item {
padding: 12px 16px;
}

.network-icon {
width: 40px;
height: 40px;
font-size: 1.25rem;
}

.network-item span {
font-size: 0.75rem;
}

.footer-links {
grid-template-columns: 1fr;
gap: 24px;
}

.footer-bottom p {
font-size: 0.75rem;
}

.cta-content h2 {
font-size: 1.5rem;
}

.section h2 {
font-size: 1.375rem;
}

.section-desc {
font-size: 0.9375rem;
}

.faq-question {
padding: 14px 16px;
font-size: 0.875rem;
}

.faq-answer p {
padding: 0 16px 14px;
font-size: 0.8125rem;
}

.phone-mockup {
max-width: 220px;
border-radius: 32px;
padding: 8px;
}

.phone-notch {
width: 80px;
height: 20px;
top: 14px;
}

.phone-screen {
border-radius: 26px;
}

.download-tips h4 {
font-size: 0.9375rem;
}

.download-tips li {
font-size: 0.8125rem;
}
}