/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 霓虹科技紫主题 */
.dark-theme {
    background: radial-gradient(ellipse at top, #1a0d2e 0%, #0f0519 40%, #050208 100%);
    color: #ffffff;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, #9333ea, #a855f7);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(147, 51, 234, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #7c3aed, #c084fc);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(147, 51, 234, 0.5), 0 0 30px rgba(168, 85, 247, 0.3);
}

.btn-glow {
    box-shadow: 0 0 25px rgba(147, 51, 234, 0.6), 0 0 40px rgba(168, 85, 247, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #9333ea;
    padding: 12px 24px;
    border: 2px solid #9333ea;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.2);
}

.btn-secondary:hover {
    background: rgba(147, 51, 234, 0.15);
    border-color: #a855f7;
    color: #a855f7;
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(147, 51, 234, 0.4);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 13, 46, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(147, 51, 234, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(26, 13, 46, 0.95);
    box-shadow: 0 4px 30px rgba(147, 51, 234, 0.3);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    flex-shrink: 0;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
    margin: 0 10px;
}

.nav-link {
    display: block;
    padding: 12px 20px;
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 8px;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover,
.nav-link.active {
    color: #8b5cf6;
    background: rgba(99, 102, 241, 0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* 首页横幅 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(147, 51, 234, 0.4) 0%, rgba(79, 70, 229, 0.2) 40%, transparent 80%),
                linear-gradient(135deg, rgba(147, 51, 234, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);
}

.bg-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(147, 51, 234, 0.5), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(168, 85, 247, 0.4), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(79, 70, 229, 0.4), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(196, 181, 253, 0.3), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(147, 51, 234, 0.4), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particleMove 20s linear infinite;
}

@keyframes particleMove {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-100px); }
}

.hero-content {
    width: 100%;
    z-index: 1;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(147, 51, 234, 0.2);
    color: #a855f7;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(168, 85, 247, 0.4);
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.3);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 20px;
    position: relative;
}

.title-main {
    background: linear-gradient(135deg, #ffffff, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
}

.title-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(10px);
    opacity: 0.7;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #a1a1aa;
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 20px;
    align-items: center;
}

/* 手机展示 */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 560px;
}

.phone-frame {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1f2937, #374151);
    border-radius: 30px;
    padding: 20px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(99, 102, 241, 0.3);
}

.game-interface {
    padding: 20px;
    height: 100%;
}

.interface-header {
    text-align: center;
    margin-bottom: 30px;
}

.status-bar {
    height: 4px;
    width: 60px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    margin: 0 auto 15px;
}

.interface-header h3 {
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
}

.interface-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 40px;
}

.game-icon {
    aspect-ratio: 1;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 12px;
    position: relative;
    opacity: 0.8;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
}

.game-icon:hover {
    opacity: 1;
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.game-icon-rpg { background: linear-gradient(135deg, #ef4444, #dc2626); }
.game-icon-strategy { background: linear-gradient(135deg, #f59e0b, #d97706); }
.game-icon-puzzle { background: linear-gradient(135deg, #10b981, #059669); }
.game-icon-racing { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.game-icon-shooter { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.game-icon-adventure { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.game-icon-sports { background: linear-gradient(135deg, #84cc16, #65a30d); }
.game-icon-music { background: linear-gradient(135deg, #ec4899, #db2777); }

.game-icon::before {
    content: attr(data-type);
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
}

.phone-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
    border-radius: 40px;
    filter: blur(20px);
    opacity: 0.6;
    animation: phoneGlow 3s ease-in-out infinite alternate;
}

@keyframes phoneGlow {
    0% { opacity: 0.4; transform: scale(1); }
    100% { opacity: 0.8; transform: scale(1.02); }
}

/* 区块通用样式 */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    position: relative;
}

.section-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #9333ea, #a855f7);
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.5);
}

/* 产品特色 */
.features {
    padding: 120px 0;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 50%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: rgba(26, 13, 46, 0.7);
    backdrop-filter: blur(15px);
    padding: 45px 35px;
    border-radius: 24px;
    text-align: center;
    border: 1px solid rgba(147, 51, 234, 0.25);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(147, 51, 234, 0.15);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.6s;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(168, 85, 247, 0.5);
    box-shadow: 0 25px 50px rgba(147, 51, 234, 0.25), 0 0 40px rgba(168, 85, 247, 0.2);
    background: rgba(26, 13, 46, 0.9);
}

.feature-card:hover .feature-icon-symbol {
    transform: scale(1.1);
}

.feature-card:hover .feature-icon {
    background: transparent;
    border-color: transparent;
}


.feature-icon {
    width: auto;
    height: 100px;
    margin: 0 auto 30px;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: transparent;
    border: none;
    backdrop-filter: none;
    box-shadow: none;
    padding: 0;
}

.icon-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    opacity: 0.8;
}

.feature-icon-text {
    color: #ffffff;
    font-weight: 900;
    font-size: 18px;
    position: relative;
    z-index: 1;
}

.feature-icon-symbol {
    width: auto;
    height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 1;
    background: transparent !important;
    box-shadow: none;
    border: none;
    filter: none;
    transition: transform 0.3s ease;
}

.feature-icon-iot .icon-bg { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.feature-icon-hd .icon-bg { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.feature-icon-ai .icon-bg { background: linear-gradient(135deg, #10b981, #059669); }
.feature-icon-ux .icon-bg { background: linear-gradient(135deg, #f59e0b, #d97706); }


@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.feature-desc {
    color: #b4b4c1;
    line-height: 1.8;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.3px;
    text-align: center;
    max-width: 280px;
    margin: 0 auto;
}

/* 关于我们 */
.about {
    padding: 120px 0;
}

.about-content {
    display: flex;
    justify-content: center;
    align-items: stretch;
}

.about-text {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 30px;
    width: 100%;
    max-width: 1000px;
}

.about-item {
    padding: 35px 25px;
    background: rgba(26, 13, 46, 0.6);
    border-radius: 16px;
    border: 1px solid rgba(147, 51, 234, 0.2);
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.1);
    text-align: left;
    backdrop-filter: blur(10px);
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.about-item:hover {
    border-color: rgba(168, 85, 247, 0.4);
    background: rgba(26, 13, 46, 0.8);
    box-shadow: 0 15px 40px rgba(147, 51, 234, 0.3);
    transform: translateY(-5px);
}

.about-subtitle {
    font-size: 1.4rem;
    font-weight: 600;
    color: #a855f7;
    margin-bottom: 20px;
    position: relative;
}

.about-subtitle::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(135deg, #9333ea, #a855f7);
    box-shadow: 0 0 10px rgba(147, 51, 234, 0.5);
}

.about-item p {
    color: #a1a1aa;
    line-height: 1.8;
    font-size: 1rem;
}




/* 联系我们 */
.contact {
    padding: 120px 0;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 50%, transparent 100%);
}

.contact-content {
    display: flex;
    justify-content: center;
    gap: 80px;
    align-items: stretch;
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 40px 30px;
    background: rgba(15, 23, 42, 0.8);
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all 0.3s ease;
    text-align: center;
    min-width: 280px;
    backdrop-filter: blur(10px);
}

.contact-item:hover {
    border-color: rgba(139, 92, 246, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
}

.qr-code:hover {
    border-color: rgba(139, 92, 246, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
    transition: all 0.3s ease;
    animation: iconPulse 4s ease-in-out infinite;
}

.contact-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.contact-icon-email { background: linear-gradient(135deg, #ef4444, #dc2626); }
.contact-icon-wechat { background: linear-gradient(135deg, #10b981, #059669); }
.contact-icon-phone { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.contact-icon-location { background: linear-gradient(135deg, #f59e0b, #d97706); }

@keyframes iconPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(99, 102, 241, 0); }
}

.contact-details h4 {
    color: #ffffff;
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.contact-details p {
    color: #a1a1aa;
    font-size: 1.1rem;
}

.contact-qr {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-code {
    background: rgba(15, 23, 42, 0.8);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
    text-align: center;
    min-width: 280px;
    transition: all 0.3s ease;
}

.qr-code img {
    width: 150px;
    height: 150px;
    border-radius: 12px;
    margin-bottom: 15px;
}

.qr-code h4 {
    color: #ffffff;
    font-size: 1.25rem;
    margin: 15px 0 8px 0;
    font-weight: 600;
}

.qr-code p {
    color: #a1a1aa;
    font-weight: 500;
    font-size: 1rem;
    margin: 0;
}

.contact-visual {
    display: flex;
    justify-content: center;
}

.game-character {
    position: relative;
}

.game-character img {
    max-width: 300px;
    height: auto;
    border-radius: 20px;
    filter: drop-shadow(0 10px 30px rgba(99, 102, 241, 0.3));
}

/* 页脚 */
.footer {
    background: linear-gradient(180deg, rgba(26, 13, 46, 0.9) 0%, rgba(15, 5, 25, 0.95) 100%);
    border-top: 1px solid rgba(147, 51, 234, 0.3);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
    align-items: start;
}

.footer-brand {
    padding-right: 20px;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 20px;
    display: block;
}

.footer-desc {
    color: #a1a1aa;
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(99, 102, 241, 0.2);
    color: #8b5cf6;
    text-decoration: none;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(139, 92, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.social-link:hover {
    background: rgba(139, 92, 246, 0.3);
    color: #ffffff;
    transform: translateY(-2px) scale(1.1);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.social-wechat:hover { background: rgba(16, 185, 129, 0.3); }
.social-weibo:hover { background: rgba(239, 68, 68, 0.3); }
.social-qq:hover { background: rgba(59, 130, 246, 0.3); }
.social-bilibili:hover { background: rgba(236, 72, 153, 0.3); }
.social-douyin:hover { background: rgba(139, 92, 246, 0.3); }

.footer-title {
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 1.125rem;
    border-bottom: 2px solid #6366f1;
    padding-bottom: 8px;
    display: inline-block;
}

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

.footer-menu li {
    margin-bottom: 12px;
}

.footer-menu a {
    color: #a1a1aa;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    display: block;
    padding: 2px 0;
}

.footer-menu a:hover {
    color: #8b5cf6;
    padding-left: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #71717a;
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 25px;
}

.footer-legal a {
    color: #71717a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: #8b5cf6;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 20px;
    font-weight: bold;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.4);
}

/* 粒子效果容器 */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .feature-card {
        min-height: auto;
        padding: 35px 25px;
    }
    
    .about-text {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 25px;
    }
    
    .contact-content {
        flex-direction: column;
        gap: 40px;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        border-bottom: 1px solid rgba(99, 102, 241, 0.2);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-item {
        margin: 0;
        border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    }
    
    .nav-link {
        padding: 15px 20px;
        text-align: center;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .hero-actions .btn-large {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .feature-card,
    .about-item {
        padding: 25px 20px;
    }
    
    .contact-item,
    .qr-code {
        min-width: auto;
        width: 100%;
        max-width: 320px;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}