:root {
    --primary: #4f6ef7;
    --primary-dark: #3b5de7;
    --primary-light: #6b8cff;
    --accent: #f59e0b;
    --bg-page: #f0f4ff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8faff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #475569;
    --border-color: rgba(0,0,0,0.06);
    --gradient-start: var(--primary);
    --gradient-end: var(--primary-dark);
    --shadow-glow: 0 4px 24px rgba(79,110,247,0.12);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

:root {
    --header-height: 64px;
    --header-height-mobile: 56px;
}

.tech-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    height: var(--header-height);
}

.tech-header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 4px 30px rgba(0,0,0,0.08);
}

.tech-header .navbar {
    padding: 0;
    height: 100%;
    display: flex;
    align-items: center;
}

.tech-header .navbar-collapse {
    height: 100%;
}

.tech-header .navbar-nav {
    display: flex;
    align-items: center;
    height: 100%;
    margin: 0;
}

.tech-header .container,
.tech-header .container-fluid {
    height: 100%;
    display: flex;
    align-items: center;
}

.tech-header .container .navbar {
    width: 100%;
}

.tech-header .logo-box {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
    height: 100%;
}

.tech-header .logo {
    height: 36px;
    border-radius: 8px;
}

.tech-header .logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    margin: 0;
    letter-spacing: 0.02em;
}

.tech-header .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
}

.tech-header .nav-link:hover,
.tech-header .nav-item.active .nav-link {
    color: var(--primary) !important;
    background: rgba(79,110,247,0.08);
}

.btn-tech-login {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-tech-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(79,110,247,0.4);
}

.tech-header .navbar-toggler {
    border: none;
    padding: 0.5rem;
    background: transparent;
}

.tech-header .navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.tech-header .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30, 41, 59, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 24px;
    height: 24px;
    display: inline-block;
    vertical-align: middle;
}

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(79,110,247,0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 20%, rgba(139,92,246,0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat 8s infinite ease-in-out;
}

.hero-particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 7s; }
.hero-particle:nth-child(2) { left: 20%; top: 60%; animation-delay: 1s; animation-duration: 9s; }
.hero-particle:nth-child(3) { left: 40%; top: 30%; animation-delay: 2s; animation-duration: 6s; }
.hero-particle:nth-child(4) { left: 60%; top: 70%; animation-delay: 3s; animation-duration: 8s; }
.hero-particle:nth-child(5) { left: 80%; top: 40%; animation-delay: 4s; animation-duration: 10s; }
.hero-particle:nth-child(6) { left: 90%; top: 80%; animation-delay: 0.5s; animation-duration: 7.5s; }
.hero-particle:nth-child(7) { left: 30%; top: 90%; animation-delay: 1.5s; animation-duration: 8.5s; }
.hero-particle:nth-child(8) { left: 70%; top: 10%; animation-delay: 2.5s; animation-duration: 6.5s; }

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
    25% { transform: translateY(-30px) translateX(15px); opacity: 0.6; }
    50% { transform: translateY(-15px) translateX(-10px); opacity: 0.2; }
    75% { transform: translateY(-40px) translateX(20px); opacity: 0.5; }
}

.hero-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(79,110,247,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79,110,247,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(79,110,247,0.08);
    border: 1px solid rgba(79,110,247,0.15);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8125rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    animation: fadeInDown 0.8s ease-out;
}

.hero-badge i {
    font-size: 0.75rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 560px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79,110,247,0.35);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(79,110,247,0.06);
    border: 1px solid rgba(79,110,247,0.15);
    color: var(--primary);
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-hero-secondary:hover {
    background: rgba(79,110,247,0.12);
    border-color: rgba(79,110,247,0.25);
    transform: translateY(-2px);
    color: var(--primary-dark);
}

.hero-visual {
    position: relative;
    z-index: 2;
    animation: fadeInRight 1s ease-out 0.4s both;
}

.hero-visual img {
    width: 100%;
    max-width: 560px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
}

.hero-visual .glow-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    border-radius: 50%;
    border: 1px solid rgba(79,110,247,0.12);
    animation: pulseRing 3s infinite;
}

.hero-visual .glow-ring:nth-child(2) {
    width: 100%;
    height: 100%;
    animation-delay: 1s;
}

@keyframes pulseRing {
    0% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.95); }
    50% { opacity: 0.2; transform: translate(-50%, -50%) scale(1.05); }
    100% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.95); }
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-dark {
    background: rgba(79,110,247,0.03);
}

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

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(79,110,247,0.08);
    border: 1px solid rgba(79,110,247,0.12);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8125rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(79,110,247,0.2);
    box-shadow: var(--shadow-glow);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(79,110,247,0.12), rgba(139,92,246,0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.75rem;
    color: var(--primary);
}

.feature-icon i {
    font-size: 1.75rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.showcase-row {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}

.showcase-row:last-child {
    margin-bottom: 0;
}

.showcase-row.reverse {
    flex-direction: row-reverse;
}

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

.showcase-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.showcase-text ul {
    list-style: none;
    padding: 0;
}

.showcase-text ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-light);
    font-size: 0.9375rem;
}

.showcase-text ul li i {
    color: var(--primary);
    margin-top: 4px;
    flex-shrink: 0;
}

.showcase-img {
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--border-color);
}

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

.stats-section {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.stat-item {
    text-align: center;
    color: #fff;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9375rem;
    opacity: 0.85;
}

.cta-section {
    position: relative;
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(79,110,247,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.cta-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.tech-footer {
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 0;
}

.footer-item a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    padding: 4px 0;
    transition: var(--transition);
}

.footer-item a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.follow-tips {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    margin-top: 40px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.downTop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 9999;
    display: none;
    align-items: center;
}

.downTop.show {
    display: flex;
}

.downTop .container {
    height: 100%;
}

.downTop-logo {
    height: 36px;
    border-radius: 6px;
}

.downTop-title {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    margin-left: 8px;
    white-space: nowrap;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    height: var(--header-height);
    line-height: 1;
}

.downTopDowmload {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.downTopDowmload:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(79,110,247,0.4);
    color: #fff;
}

.home-login-modal .modal-content {
    border-radius: 16px;
    border: none;
    overflow: hidden;
}

.home-login-modal .modal-header {
    border-bottom: none;
    padding-bottom: 0;
}

.home-login-modal .modal-body {
    position: relative;
    min-height: 420px;
}

.home-login-modal .modal-title {
    font-weight: 700;
    display: flex;
    align-items: center;
}

.login-model {
    padding: 0.5rem 0;
}

.login-container-tab {
    width: 100%;
    height: 40px;
    border-bottom: 1px solid #eee;
    padding: 0 70px;
    box-sizing: border-box;
    margin: 15px 0 0 0;
}

.login-container-tab ul {
    display: flex;
    justify-content: space-between;
    list-style: none;
    padding: 0;
    margin: 0;
}

.login-container-tab ul li {
    font-size: 16px;
    line-height: 40px;
    cursor: pointer;
    color: #666;
    margin-top: -2px;
    position: relative;
    transition: all 0.3s;
}

.login-container-tab ul li.active {
    color: var(--primary);
    font-weight: 600;
    border-bottom: 2px solid var(--primary);
}

.login-border {
    width: 200px;
    height: 200px;
    margin: 1rem auto;
    border: 2px dashed #ddd;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.login-code {
    max-width: 180px;
    max-height: 180px;
}

.no-code {
    cursor: pointer;
    color: var(--primary);
    font-size: 0.875rem;
}

.expire-time {
    text-align: center;
    font-size: 0.8125rem;
    color: #999;
    margin-top: 0.5rem;
}

.login-method-box {
    padding: 1rem 0;
}

.login-list-phone,
.login-list-email {
    width: 280px;
    margin: 30px auto 0;
}

.login-list-input {
    width: 100%;
    height: 44px;
    border: 0;
    outline: 0;
    background: #fafafa;
    padding: 0 10px;
    box-sizing: border-box;
    border-radius: 4px;
    font-size: 0.9375rem;
}

.login-list-input:focus {
    border-color: var(--primary);
}

.login-error {
    width: 100%;
    height: 30px;
    color: #fa666a;
    font-size: 12px;
    padding-left: 10px;
    line-height: 30px;
    box-sizing: border-box;
}

.login-list-code {
    width: 100%;
    height: 44px;
    background: #fafafa;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    border-radius: 4px;
}

.login-list-code input {
    width: 179px;
    border: 0;
    outline: 0;
    padding: 0 10px;
    background: #fafafa;
    box-sizing: border-box;
    font-size: 0.9375rem;
}

.login-list-code i {
    display: block;
    width: 1px;
    height: 20px;
    background: #ddd;
}

.login-list-code button {
    white-space: nowrap;
    padding: 0 10px;
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 14px;
    height: 44px;
}

.login-btn {
    width: 100%;
    height: 44px;
    text-align: center;
    line-height: 44px;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 22px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    margin-top: 16px;
    transition: var(--transition);
}

.login-btn:hover {
    opacity: 0.9;
}

.login-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
}

.login-other-method {
    width: 284px;
    height: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
}

.login-other-method span {
    display: block;
    width: 80px;
    height: 1px;
    background: #f2f2f2;
}

.login-other-method p {
    color: #8a8888;
    font-size: 14px;
    white-space: nowrap;
}

.login-bottom ul {
    width: 40px;
    margin: 20px auto;
    display: flex;
    justify-content: space-between;
    list-style: none;
    padding: 0;
}

.login-bottom ul li {
    width: 40px;
    height: 40px;
    position: relative;
    cursor: pointer;
}

.login-bottom ul li img {
    width: 100%;
    height: 100%;
    border-radius: 8px;
}

.last-login-method {
    display: none;
    position: absolute;
    width: 50px;
    height: 18px;
    top: -12px;
    right: -36px;
    background: url(/static/home/last_time.png) no-repeat;
    background-size: cover;
}

.last-login-method.show {
    display: block;
}

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

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.8s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

@media (max-width: 991.98px) {
    :root {
        --header-height: 60px;
    }

    .tech-header .logo {
        height: 34px;
    }

    .tech-header .logo-title {
        font-size: 1.125rem;
        letter-spacing: 0.02em;
    }

    .downTop-logo {
        height: 34px;
    }

    .downTop-title {
        font-size: 1.125rem;
        letter-spacing: 0.02em;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-section {
        min-height: auto;
        padding: calc(var(--header-height) + 40px) 0 60px;
    }

    .hero-visual {
        margin-top: 40px;
        text-align: center;
    }

    .hero-visual img {
        max-width: 400px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .showcase-row {
        flex-direction: column !important;
        gap: 30px;
    }

    .showcase-img {
        width: 100%;
    }

    .stat-number {
        font-size: 2.25rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 16px;
    }

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

@media (max-width: 767.98px) {
    :root {
        --header-height: 56px;
    }

    .tech-header .logo {
        height: 32px;
    }

    .tech-header .logo-title {
        font-size: 1rem;
        letter-spacing: 0.02em;
    }

    .tech-header .navbar-nav {
        padding: 0;
    }

    .tech-header .nav-link {
        padding: 8px 12px !important;
    }

    .btn-tech-login {
        padding: 6px 12px;
        font-size: 0.8125rem;
    }

    .downTop-logo {
        height: 32px;
    }

    .downTop-title {
        font-size: 1rem;
        letter-spacing: 0.02em;
    }

    .downTopDowmload {
        padding: 6px 16px;
        font-size: 0.8125rem;
    }

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

    .hero-actions {
        flex-direction: column;
    }

    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }

    .hero-visual img {
        max-width: 300px;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

    .cta-title {
        font-size: 1.5rem;
    }

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

    .stats-section {
        padding: 50px 0;
    }

    .stat-number {
        font-size: 2rem;
    }

    .tech-footer {
        padding: 40px 0 0;
    }
}

@media (max-width: 575.98px) {
    :root {
        --header-height: 52px;
    }

    .tech-header .logo-box {
        gap: 8px;
    }

    .tech-header .logo {
        height: 28px;
    }

    .tech-header .logo-title {
        font-size: 0.9375rem;
        letter-spacing: 0.01em;
    }

    .tech-header .navbar-toggler {
        padding: 4px;
    }

    .tech-header .navbar-toggler-icon {
        width: 22px;
        height: 22px;
    }

    .downTop .container {
        padding: 0 12px;
    }

    .downTop-logo {
        height: 28px;
    }

    .downTop-title {
        font-size: 0.9375rem;
        margin-left: 6px;
        letter-spacing: 0.01em;
    }

    .downTopDowmload {
        padding: 6px 14px;
        font-size: 0.8125rem;
    }

    .hero-badge {
        font-size: 0.75rem;
    }

    .section {
        padding: 50px 0;
    }

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

.steps-section {
    padding: 100px 0;
    position: relative;
    background: rgba(79,110,247,0.03);
}

.steps-grid {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.step-card {
    flex: 1;
    min-width: 240px;
    max-width: 300px;
    text-align: center;
    position: relative;
    padding: 40px 24px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-6px);
    border-color: rgba(79,110,247,0.2);
    box-shadow: var(--shadow-glow);
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(79,110,247,0.12);
    animation: stepPulse 2s infinite;
}

@keyframes stepPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0; }
}

.step-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.step-icon i {
    font-size: 1.75rem;
}

.step-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-connector {
    display: none;
}

@media (min-width: 768px) {
    .step-connector {
        display: flex;
        align-items: center;
        color: var(--primary);
        font-size: 1.5rem;
        align-self: center;
        opacity: 0.4;
    }
}

.advantages-section {
    padding: 100px 0;
    position: relative;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.advantage-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.2);
    box-shadow: var(--shadow-glow);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(79,110,247,0.12), rgba(139,92,246,0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary);
    flex-shrink: 0;
}

.advantage-icon i {
    font-size: 1.75rem;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(79,110,247,0.12), rgba(139,92,246,0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary);
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 1.3rem;
}

.metric-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(79,110,247,0.12), rgba(139,92,246,0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary);
    flex-shrink: 0;
}

.metric-icon i {
    font-size: 1.3rem;
}

.support-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(79,110,247,0.12), rgba(139,92,246,0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary);
    margin: 0 auto 12px;
}

.support-icon i {
    font-size: 1.3rem;
}

.advantage-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.advantage-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.reviews-section {
    padding: 100px 0;
    position: relative;
    background: rgba(79,110,247,0.03);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.review-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
    position: relative;
}

.review-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.12);
}

.review-card::before {
    content: '\201C';
    position: absolute;
    top: 16px;
    right: 24px;
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.review-stars {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
}

.review-stars i {
    color: #fbbf24;
    font-size: 0.875rem;
}

.review-text {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 0.875rem;
}

.review-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.review-role {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.faq-section {
    padding: 100px 0;
    position: relative;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(79,110,247,0.12);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
    gap: 16px;
}

.faq-question h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-toggle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(79,110,247,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.download-section {
    padding: 100px 0;
    position: relative;
    background: rgba(79,110,247,0.03);
}

.download-card {
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.download-card-tech {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.download-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.download-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
}

.download-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.btn-download-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-download-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn-download-primary i {
    font-size: 1.2rem;
}

.download-features {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 16px;
}

.download-features span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

.download-features span i {
    font-size: 1rem;
}

.download-version {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 12px;
}

.download-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
}

.download-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
}

.download-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.download-box p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.download-info {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.download-info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.download-info-item i {
    color: var(--primary);
}

@media (max-width: 991.98px) {
    .steps-section,
    .advantages-section,
    .reviews-section,
    .faq-section,
    .download-section {
        padding: 60px 0;
    }

    .step-card {
        min-width: 200px;
    }

    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
}

@media (max-width: 767.98px) {
    .steps-section,
    .advantages-section,
    .reviews-section,
    .faq-section,
    .download-section {
        padding: 50px 0;
    }

    .steps-grid {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        display: none !important;
    }

    .step-card {
        max-width: 100%;
        min-width: auto;
    }

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

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

    .download-box {
        padding: 32px 24px;
    }

    .download-info {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
}

.hero-centered {
    text-align: center;
    padding-bottom: 40px;
}

.hero-centered .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-centered-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.hero-centered-content .hero-desc {
    margin: 0 auto 2rem;
}

.hero-centered-content .hero-actions {
    justify-content: center;
}

.hero-centered-visual {
    position: relative;
    z-index: 2;
    margin-top: 50px;
    display: flex;
    justify-content: center;
}

.hero-float-frame {
    position: relative;
    width: 480px;
    max-width: 90vw;
    animation: heroFloat 6s ease-in-out infinite;
}

.hero-float-frame img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow), 0 20px 60px rgba(0,0,0,0.12);
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    margin: -300px 0 0 -300px;
    border-radius: 50%;
    border: 1px dashed rgba(99,102,241,0.1);
    animation: orbitSpin 30s linear infinite;
    pointer-events: none;
}

.hero-orbit-ring-2 {
    width: 800px;
    height: 800px;
    margin: -400px 0 0 -400px;
    animation-direction: reverse;
    animation-duration: 45s;
}

@keyframes orbitSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-cinematic {
    min-height: 100vh;
    position: relative;
}

.hero-cinematic-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.08) 100%);
    pointer-events: none;
}

.hero-cinematic-strip {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 60px;
    background: rgba(79,110,247,0.06);
    pointer-events: none;
    z-index: 1;
}

.hero-strip-left { left: 0; }
.hero-strip-right { right: 0; }

.hero-cinematic-player {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-glow), 0 20px 60px rgba(0,0,0,0.15);
    border: 1px solid rgba(0,0,0,0.06);
}

.hero-cinematic-player img {
    width: 100%;
    display: block;
}

.cinematic-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(79,110,247,0.08);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
    z-index: 3;
    border: 2px solid rgba(79,110,247,0.15);
}

.cinematic-play-btn:hover {
    background: rgba(79,110,247,0.15);
    transform: translate(-50%, -50%) scale(1.1);
}

.hero-dashboard {
    position: relative;
}

.dashboard-preview {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    z-index: 2;
}

.dashboard-metric-row {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.dashboard-metric {
    flex: 1;
    background: rgba(79,110,247,0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.dashboard-metric-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

.dashboard-metric-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.dashboard-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 80px;
    margin-bottom: 20px;
    padding: 0 8px;
}

.dashboard-chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--gradient-start), var(--gradient-end));
    border-radius: 4px 4px 0 0;
    opacity: 0.6;
    transition: opacity 0.3s;
    animation: chartGrow 1.5s ease-out both;
}

.dashboard-chart-bar:nth-child(1) { animation-delay: 0.1s; }
.dashboard-chart-bar:nth-child(2) { animation-delay: 0.2s; }
.dashboard-chart-bar:nth-child(3) { animation-delay: 0.3s; }
.dashboard-chart-bar:nth-child(4) { animation-delay: 0.4s; }
.dashboard-chart-bar:nth-child(5) { animation-delay: 0.5s; }
.dashboard-chart-bar:nth-child(6) { animation-delay: 0.6s; }
.dashboard-chart-bar:nth-child(7) { animation-delay: 0.7s; }

@keyframes chartGrow {
    from { height: 0 !important; }
}

.dashboard-chart-bar:hover {
    opacity: 1;
}

.dashboard-product-img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.hero-diagonal {
    position: relative;
}

.hero-diagonal-bg {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 40%;
    background: linear-gradient(135deg, transparent 0%, rgba(79,110,247,0.03) 100%);
    clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
    pointer-events: none;
}

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

.hero-diagonal-frame img {
    width: 100%;
    max-width: 560px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
}

.diagonal-clock {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    z-index: 3;
}

.clock-face {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--primary);
    position: relative;
    background: rgba(255,255,255,0.9);
}

.clock-hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform-origin: bottom center;
    border-radius: 2px;
}

.clock-hour {
    width: 3px;
    height: 22px;
    margin-left: -1.5px;
    background: var(--primary);
    animation: clockRotate 12s linear infinite;
}

.clock-minute {
    width: 2px;
    height: 30px;
    margin-left: -1px;
    background: var(--primary);
    animation: clockRotate 3s linear infinite;
}

.clock-center-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    margin: -3px 0 0 -3px;
    border-radius: 50%;
    background: var(--primary);
}

@keyframes clockRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-gallery {
    position: relative;
}

.gallery-grid-hero {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 12px;
    height: 400px;
}

.gallery-item-lg {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--border-color);
}

.gallery-item-lg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item-sm {
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    opacity: 0.6;
}

.gallery-item-tl {
    grid-column: 1;
    grid-row: 1;
    z-index: 2;
    animation: galleryFloat 4s ease-in-out infinite;
}

.gallery-item-br {
    grid-column: 2;
    grid-row: 2;
    z-index: 2;
    animation: galleryFloat 4s ease-in-out infinite 2s;
}

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

.hero-blueprint {
    position: relative;
}

.hero-blueprint-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(var(--primary) 1px, transparent 1px),
        linear-gradient(90deg, var(--primary) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.04;
    pointer-events: none;
}

.blueprint-frame {
    position: relative;
    z-index: 2;
    padding: 20px;
}

.blueprint-frame img {
    width: 100%;
    max-width: 560px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
}

.blueprint-corner {
    position: absolute;
    width: 24px;
    height: 24px;
    border-color: var(--primary);
    border-style: solid;
    border-width: 0;
    opacity: 0.5;
}

.blueprint-tl { top: 0; left: 0; border-top-width: 2px; border-left-width: 2px; }
.blueprint-tr { top: 0; right: 0; border-top-width: 2px; border-right-width: 2px; }
.blueprint-bl { bottom: 0; left: 0; border-bottom-width: 2px; border-left-width: 2px; }
.blueprint-br { bottom: 0; right: 0; border-bottom-width: 2px; border-right-width: 2px; }

.hero-ai {
    position: relative;
}

.hero-ai-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 8px,
        rgba(79,110,247,0.04) 8px,
        rgba(79,110,247,0.04) 10px
    );
    pointer-events: none;
}

.hero-badge-ai {
    background: linear-gradient(135deg, rgba(79,110,247,0.12), rgba(139,92,246,0.08));
    border-color: rgba(79,110,247,0.2);
}

.ai-brain-visual {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-brain-visual img {
    width: 100%;
    max-width: 560px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
    position: relative;
    z-index: 2;
}

.ai-pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    height: 400px;
    margin: -200px 0 0 -200px;
    border-radius: 50%;
    border: 1px solid var(--primary);
    opacity: 0.2;
    animation: aiPulse 3s ease-out infinite;
}

.ai-pulse-ring-2 {
    animation-delay: 1s;
}

.ai-pulse-ring-3 {
    animation-delay: 2s;
}

@keyframes aiPulse {
    0% { transform: scale(0.8); opacity: 0.3; }
    100% { transform: scale(1.5); opacity: 0; }
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.bento-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.bento-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.bento-span-2 {
    grid-column: span 2;
}

.bento-span-row2 {
    grid-row: span 2;
}

.feature-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.feature-tab-btn {
    padding: 10px 24px;
    border-radius: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-tab-btn:hover {
    border-color: rgba(79,110,247,0.2);
    color: var(--text-primary);
}

.feature-tab-btn.active {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-color: transparent;
    color: #fff;
}

.feature-tab-panels {
    position: relative;
    min-height: 200px;
}

.feature-tab-panel {
    display: none;
    text-align: center;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    animation: fadeInUp 0.5s ease-out;
}

.feature-tab-panel.active {
    display: block;
}

.tab-panel-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.feature-scroll-wrapper {
    overflow-x: auto;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
}

.feature-scroll-track {
    display: flex;
    gap: 20px;
    min-width: max-content;
}

.feature-scroll-card {
    min-width: 280px;
    max-width: 320px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: var(--transition);
    flex-shrink: 0;
}

.feature-scroll-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.spec-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: var(--transition);
}

.spec-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.spec-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.spec-header h3 {
    margin: 0;
}

.spec-divider {
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-start), transparent);
    margin-top: 16px;
    border-radius: 1px;
}

.chat-feature-list {
    max-width: 700px;
    margin: 0 auto;
}

.chat-bubble {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    align-items: flex-start;
}

.chat-right {
    flex-direction: row-reverse;
}

.chat-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    flex-shrink: 0;
}

.chat-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px 24px;
    max-width: 80%;
    transition: var(--transition);
}

.chat-content:hover {
    border-color: rgba(79,110,247,0.15);
}

.console-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.console-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    position: relative;
    transition: var(--transition);
}

.console-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.console-led {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
    animation: ledBlink 2s ease-in-out infinite;
}

@keyframes ledBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.visual-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.visual-feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.visual-feature-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.visual-feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.flow-feature-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    align-items: flex-start;
}

.flow-feature-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    min-width: 200px;
    max-width: 240px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.flow-feature-item:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.flow-feature-num {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-connector {
    display: flex;
    align-items: center;
    color: var(--primary);
    font-size: 1.25rem;
    opacity: 0.4;
    padding-top: 40px;
}

.shield-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.shield-feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.shield-feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.shield-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    position: relative;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.comparison-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: var(--transition);
}

.comparison-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.comparison-bar {
    height: 6px;
    background: rgba(79,110,247,0.08);
    border-radius: 3px;
    margin-top: 16px;
    overflow: hidden;
}

.comparison-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border-radius: 3px;
    transition: width 1.5s ease-out;
}

.tagcloud-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.tagcloud-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: var(--transition);
}

.tagcloud-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.tagcloud-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.tag-item {
    font-size: 0.6875rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(79,110,247,0.08);
    color: var(--primary);
    border: 1px solid rgba(79,110,247,0.12);
}

.academic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.academic-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    position: relative;
    transition: var(--transition);
}

.academic-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.academic-number {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(79,110,247,0.06);
    line-height: 1;
}

.official-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.official-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.official-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.official-stamp {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.5rem;
    color: var(--primary);
}

.bookshelf-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

.bookshelf-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.book-spine {
    width: 8px;
    flex-shrink: 0;
}

.book-content {
    padding: 24px 20px;
}

.capture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.capture-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.capture-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79,110,247,0.15);
    box-shadow: var(--shadow-glow);
}

.capture-frame {
    position: relative;
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.capture-corner {
    position: absolute;
    width: 12px;
    height: 12px;
    border-color: var(--primary);
    border-style: solid;
    border-width: 0;
}

.capture-tl { top: 0; left: 0; border-top-width: 2px; border-left-width: 2px; }
.capture-tr { top: 0; right: 0; border-top-width: 2px; border-right-width: 2px; }
.capture-bl { bottom: 0; left: 0; border-bottom-width: 2px; border-left-width: 2px; }
.capture-br { bottom: 0; right: 0; border-bottom-width: 2px; border-right-width: 2px; }

@media (max-width: 991.98px) {
    .bento-grid,
    .spec-grid,
    .console-grid,
    .visual-feature-grid,
    .shield-feature-grid,
    .comparison-grid,
    .tagcloud-grid,
    .academic-grid,
    .official-grid,
    .bookshelf-grid,
    .capture-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bento-span-2 {
        grid-column: span 2;
    }

    .gallery-grid-hero {
        height: 300px;
    }

    .hero-float-frame {
        width: 360px;
    }
}

@media (max-width: 767.98px) {
    .bento-grid,
    .spec-grid,
    .console-grid,
    .visual-feature-grid,
    .shield-feature-grid,
    .comparison-grid,
    .tagcloud-grid,
    .academic-grid,
    .official-grid,
    .bookshelf-grid,
    .capture-grid {
        grid-template-columns: 1fr;
    }

    .bento-span-2 {
        grid-column: span 1;
    }

    .flow-feature-grid {
        flex-direction: column;
        align-items: center;
    }

    .flow-connector {
        transform: rotate(90deg);
        padding: 0;
    }

    .feature-scroll-card {
        min-width: 260px;
    }

    .hero-cinematic-strip {
        display: none;
    }

    .gallery-grid-hero {
        height: 240px;
    }

    .hero-float-frame {
        width: 280px;
    }

    .dashboard-preview {
        margin-top: 30px;
    }

    .feature-tabs {
        gap: 6px;
    }

    .feature-tab-btn {
        padding: 8px 16px;
        font-size: 0.8125rem;
    }
}

.article-layout {
    display: flex;
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 90px;
    padding-bottom: 32px;
    padding-left: 0;
    padding-right: 0;
}

.article-main {
    flex: 1;
    min-width: 0;
}

.article-sidebar {
    width: 300px;
    flex-shrink: 0;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.article-card h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

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

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

.article-recommend {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: rgba(79,110,247,0.05);
    border: 1px solid rgba(79,110,247,0.12);
    border-radius: var(--radius);
    margin-bottom: 28px;
    transition: var(--transition);
}

.article-recommend:hover {
    background: rgba(79,110,247,0.08);
    border-color: rgba(79,110,247,0.2);
}

.article-recommend img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    flex-shrink: 0;
}

.article-recommend-info {
    flex: 1;
    min-width: 0;
}

.article-recommend-info h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.article-recommend-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-recommend-download {
    flex-shrink: 0;
}

.article-recommend-download a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
}

.article-recommend-download a:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(79,110,247,0.35);
    color: #fff;
}

.article-body {
    line-height: 2;
    font-size: 0.9375rem;
    color: var(--text-light);
}

.article-body p {
    margin-bottom: 16px;
}

.article-body img,
.article-body video {
    max-width: 100%;
    height: auto !important;
    border-radius: var(--radius);
    margin: 16px auto;
    display: block;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4,
.article-body h5,
.article-body h6 {
    color: var(--text-primary);
    margin: 24px 0 12px;
    font-weight: 700;
}

.article-body a {
    color: var(--primary);
    text-decoration: none;
}

.article-body a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.article-body ul,
.article-body ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.article-body li {
    margin-bottom: 4px;
}

.article-body blockquote {
    border-left: 3px solid var(--primary);
    padding: 12px 20px;
    margin: 16px 0;
    background: rgba(79,110,247,0.04);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-secondary);
}

.article-footer-note {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

.article-footer-note a {
    color: var(--primary);
    text-decoration: none;
}

.article-footer-note a:hover {
    color: var(--primary);
}

.article-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 32px;
    margin-top: 28px;
    background: linear-gradient(135deg, rgba(79,110,247,0.06), rgba(139,92,246,0.08));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
}

.article-cta-text h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.article-cta-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.article-cta-qr {
    text-align: center;
}

.article-cta-qr img {
    width: 120px;
    height: 120px;
    border-radius: var(--radius);
    margin-bottom: 8px;
}

.article-cta-qr p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
}

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

.sidebar-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-title i {
    color: var(--primary);
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list li {
    margin-bottom: 4px;
}

.sidebar-list li a {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    line-height: 1.5;
}

.sidebar-list li a:hover {
    background: rgba(79,110,247,0.06);
    color: var(--primary);
}

.sidebar-list li a .sidebar-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    font-size: 0.6875rem;
    font-weight: 700;
    flex-shrink: 0;
    background: rgba(79,110,247,0.12);
    color: var(--primary);
}

.sidebar-list li:nth-child(n+4) .sidebar-num {
    background: rgba(148,163,184,0.15);
    color: var(--text-secondary);
}

@media (max-width: 991.98px) {
    .article-layout {
        flex-direction: column;
        padding: 20px 0;
    }

    .article-sidebar {
        width: 100%;
    }

    .article-card {
        padding: 24px;
    }

    .article-card h1 {
        font-size: 1.375rem;
    }

    .article-recommend {
        flex-wrap: wrap;
    }

    .article-cta {
        flex-direction: column;
        gap: 20px;
        padding: 24px;
    }
}

@media (max-width: 575.98px) {
    .article-card {
        padding: 16px;
    }

    .article-card h1 {
        font-size: 1.25rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 4px;
    }

    .article-recommend {
        flex-direction: column;
        align-items: flex-start;
    }

    .article-recommend-download {
        align-self: flex-start;
    }

    .article-cta {
        padding: 20px;
    }

    .article-cta-qr img {
        width: 100px;
        height: 100px;
    }
}