/* ================================================================
   新推科技官网 - Premium Redesign
   Deep navy base, glassmorphism, electric/emerald/amber accents
   ================================================================ */

/* ── CSS Variables ── */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary: #10b981;
    --secondary-light: #34d399;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --dark: #06061a;
    --dark-light: #0d0d2b;
    --dark-card: rgba(15, 15, 40, 0.6);
    --text: #e2e8f0;
    --text-light: #94a3b8;
    --text-muted: #64748b;
    --bg: #0a0a1a;
    --bg-alt: #0f0f2d;
    --bg-white: #ffffff;
    --border: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(59, 130, 246, 0.3);
    --glass: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(6, 6, 26, 0.7);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 24px 80px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
    --gradient: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-text: linear-gradient(135deg, #3b82f6, #10b981, #f59e0b, #3b82f6);
    --gradient-dark: linear-gradient(160deg, #06061a 0%, #0a0f2e 40%, #061a1a 80%, #0a0a1a 100%);
    --gradient-hero: linear-gradient(180deg, #06061a 0%, #0a0e2a 50%, #061218 100%);
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ================================================================
   NAVBAR — Glassmorphism with bottom glow
   ================================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(6, 6, 26, 0.65);
    backdrop-filter: blur(32px) saturate(180%);
    -webkit-backdrop-filter: blur(32px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(6, 6, 26, 0.88);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 4px 30px rgba(59, 130, 246, 0.08);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.6rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: -1px;
}

.logo-icon {
    width: 48px; height: 48px;
    background: var(--gradient);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.4rem;
    font-weight: 900;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    padding: 8px 0;
    transition: 0.3s;
    letter-spacing: -0.2px;
}

.nav-links a:hover { color: #fff; }

.nav-links a::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: 0.3s;
    margin-top: 4px;
    border-radius: 2px;
}

.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: #fff; }
.nav-links a.active::after { width: 100%; }

.nav-cta {
    background: var(--gradient) !important;
    color: #fff !important;
    padding: 12px 32px !important;
    border-radius: 60px !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.35);
    transition: var(--transition) !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 36px rgba(59, 130, 246, 0.5);
}

.mobile-menu {
    display: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: #fff;
}

/* Mobile overrides */
@media (max-width: 768px) {
    .navbar .container { height: 64px; }
    .nav-links {
        display: none !important;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(6, 6, 26, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 6px;
        z-index: 9998;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
    .nav-links.mobile-open { display: flex !important; }
    .nav-links.mobile-open a {
        font-size: 1.1rem;
        padding: 12px 24px;
        width: 80%;
        max-width: 280px;
        text-align: center;
        white-space: nowrap;
    }
    .nav-links.mobile-open .nav-cta {
        margin-top: 16px;
        background: linear-gradient(135deg, #3b82f6, #06b6d4);
        border-radius: 50px;
        border: none;
    }
    .mobile-menu {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 44px; height: 44px;
        background: rgba(59,130,246,0.15);
        border: 1px solid rgba(59,130,246,0.3);
        padding: 0;
        border-radius: 10px;
        font-size: 1.4rem;
        cursor: pointer;
        color: #fff;
        z-index: 9999;
    }
    .logo { font-size: 1.2rem; }
    .logo-icon { width: 36px; height: 36px; font-size: 1.1rem; }
    .hero { padding-top: 64px; min-height: 100svh; }
    .hero-content { grid-template-columns: 1fr !important; gap: 32px !important; }
    .hero-visual { height: 260px !important; }
    .hero-right { display: none; }
    .hero h1 { font-size: clamp(2rem, 9vw, 3rem); line-height: 1.15; }
    .hero-badge { font-size: 0.72rem; padding: 5px 12px; }
    .hero-buttons { flex-direction: column; gap: 12px; }
    .hero-buttons .btn { width: 100%; justify-content: center; }
    .trust-badges { flex-direction: column; gap: 12px; }
    .section { padding: 60px 0; }
    .section-title h2 { font-size: clamp(1.5rem, 5vw, 2rem); }
    .why-grid { grid-template-columns: 1fr; gap: 16px; }
    .feature-list { grid-template-columns: 1fr; gap: 14px; }
    .cases-grid { grid-template-columns: 1fr; gap: 16px; }
    .platform-grid { grid-template-columns: 1fr; gap: 12px; }
    .biz-grid { grid-template-columns: 1fr; gap: 20px; }
    .stats-grid { grid-template-columns: 1fr; gap: 12px; }
    .workflow-steps { grid-template-columns: 1fr; gap: 14px; }
    .step-item { flex-direction: row; align-items: flex-start; text-align: left; gap: 16px; min-height: unset; padding: 20px 16px; }
    .step-num, .step-number { margin-bottom: 0; flex-shrink: 0; width: 44px; height: 44px; font-size: 0.95rem; }
    .step-title { font-size: 0.95rem; margin-bottom: 6px; }
    .step-desc, .step-content p { font-size: 0.82rem; line-height: 1.6; }
    .cta-buttons { flex-direction: column; align-items: center; gap: 14px; }
    .cta-buttons .btn { width: 100%; max-width: 300px; justify-content: center; }
    .cta-section { padding: 60px 0; }
    .cta-section h2 { font-size: clamp(1.4rem, 5vw, 1.8rem); }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .contact-form { padding: 24px 18px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .chat-window { width: calc(100vw - 32px); max-width: 380px; right: -8px; bottom: 80px; }
    .clients-track { animation-duration: 14s; }
    .metrics-row { flex-direction: column; gap: 24px; }
    .stats-row { grid-template-columns: 1fr; gap: 12px; }
    .admin-table { font-size: 0.78rem; }
    .admin-table th, .admin-table td { padding: 10px 8px; }
    .modal-content { margin: 16px; padding: 24px 16px; }
}

/* ================================================================
   HERO — Full viewport, massive type, glassmorphism, particles
   ================================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

/* Dot grid background */
.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(59, 130, 246, 0.15) 1px, transparent 1px);
    background-size: 48px 48px;
    z-index: 1;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 80%);
}

/* Glow orbs */
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    z-index: 1;
    opacity: 0.8;
}

/* Floating orbs (small dots) */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    z-index: 1;
}

.hero-orb-1 {
    width: 8px; height: 8px;
    background: var(--primary);
    top: 20%; left: 15%;
    animation: float1 8s ease-in-out infinite;
    opacity: 0.6;
}

.hero-orb-2 {
    width: 6px; height: 6px;
    background: var(--secondary);
    top: 60%; left: 8%;
    animation: float2 10s ease-in-out infinite;
    opacity: 0.5;
}

.hero-orb-3 {
    width: 10px; height: 10px;
    background: var(--accent);
    top: 35%; right: 45%;
    animation: float3 12s ease-in-out infinite;
    opacity: 0.4;
}

.hero-orb-4 {
    width: 5px; height: 5px;
    background: var(--primary-light);
    bottom: 25%; left: 40%;
    animation: float1 14s ease-in-out infinite;
    opacity: 0.5;
}

.hero-glow-1 {
    width: 1000px; height: 1000px;
    top: -30%; right: -10%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, transparent 70%);
    animation: glowPulse1 12s ease-in-out infinite;
}

.hero-glow-2 {
    width: 800px; height: 800px;
    bottom: -40%; left: -15%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
    animation: glowPulse2 14s ease-in-out infinite;
}

.hero-glow-3 {
    width: 600px; height: 600px;
    top: 20%; left: 30%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
    animation: glowPulse3 16s ease-in-out infinite;
}

@keyframes glowPulse1 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.8; }
    50% { transform: translate(-40px, 30px) scale(1.1); opacity: 1; }
}
@keyframes glowPulse2 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.7; }
    50% { transform: translate(30px, -40px) scale(1.15); opacity: 0.9; }
}
@keyframes glowPulse3 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    50% { transform: translate(-20px, -30px) scale(1.2); opacity: 0.8; }
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-left {}

.hero-right {}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 10px 24px;
    border-radius: 60px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 36px;
    backdrop-filter: blur(12px);
    letter-spacing: 0.5px;
}

/* Hero heading — 4.5rem+ */
.hero h1 {
    font-size: clamp(2.8rem, 5.5vw, 4.8rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.05;
    margin-bottom: 32px;
    letter-spacing: -3px;
}

.hero h1 span {
    background: var(--gradient-text);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-desc {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.9;
    margin-bottom: 44px;
    max-width: 560px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

/* Buttons — larger, glowier */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 42px;
    border-radius: 60px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: -0.3px;
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 8px 40px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 50px rgba(59, 130, 246, 0.5);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    background: rgba(16, 185, 129, 0.06);
}

.btn-white {
    background: #fff;
    color: var(--primary);
    font-weight: 800;
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.15);
}

.btn-white:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 48px rgba(255, 255, 255, 0.25);
}

.btn-ghost {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    background: transparent;
}

.btn-ghost:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

/* Trust badges */
.trust-badges { display: flex; gap: 40px; flex-wrap: wrap; }

.trust-badge {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-badge-icon {
    width: 44px; height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    backdrop-filter: blur(8px);
}

.trust-badge-label {
    font-size: 0.88rem;
    font-weight: 700;
    color: #fff;
}

.trust-badge-sub {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 2px;
}

/* Hero visual — glassmorphism cards */
.hero-visual {
    position: relative;
    height: 520px;
}

.hero-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 28px;
    color: #fff;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.hero-card-1 {
    top: 10px; right: 0; width: 340px;
    animation: float1 8s ease-in-out infinite;
}

.hero-card-2 {
    top: 180px; right: 80px; width: 300px;
    animation: float2 9s ease-in-out infinite;
}

.hero-card-3 {
    bottom: 30px; right: 10px; width: 320px;
    animation: float3 10s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(0.5deg); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(14px) rotate(-0.5deg); }
}
@keyframes float3 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(0.3deg); }
}

.hero-card h4 {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
    font-weight: 500;
    letter-spacing: -0.2px;
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}

.hero-card-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.hero-card-dot.green { background: #22c55e; box-shadow: 0 0 8px #22c55e; }
.hero-card-dot.blue { background: #3b82f6; box-shadow: 0 0 8px #3b82f6; }
.hero-card-dot.orange { background: #f97316; box-shadow: 0 0 8px #f97316; }

.hero-card-header span {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

.hero-card .value {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.hero-card .bar {
    height: 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    margin-top: 10px;
    overflow: hidden;
}

.hero-card .bar-fill {
    height: 100%;
    border-radius: 4px;
    animation: barGrow 2.5s ease-out forwards;
}

@keyframes barGrow {
    from { width: 0; }
    to { width: var(--w); }
}

.hero-card .tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 6px;
    margin-top: 10px;
    backdrop-filter: blur(8px);
}

/* ================================================================
   SECTION BASE
   ================================================================ */
.section { padding: 120px 0; }

.section-title { text-align: center; margin-bottom: 72px; }

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -1.5px;
    color: #fff;
    line-height: 1.15;
}

.section-title .gradient-text {
    background: var(--gradient-text);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease infinite;
}

.section-title p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.55);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ================================================================
   BIZ CARDS — Glass morphism
   ================================================================ */
.biz-section {
    padding: 120px 0;
    background: var(--gradient-dark);
    position: relative;
}

.biz-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

.biz-section::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.3), transparent);
}

.biz-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.biz-card {
    background: rgba(15, 15, 40, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    padding: 44px 40px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.biz-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: 0.4s;
}

.biz-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-8px);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.35),
        0 0 60px rgba(59, 130, 246, 0.08);
}

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

.biz-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, rgba(16, 185, 129, 0.04) 100%);
    border-color: rgba(59, 130, 246, 0.12);
}

.biz-card.featured::before { opacity: 1; }

.biz-card-icon {
    width: 68px; height: 68px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    margin-bottom: 28px;
    backdrop-filter: blur(12px);
}

.biz-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.biz-card > p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.85;
    margin-bottom: 24px;
}

.biz-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.biz-feature-tag {
    padding: 6px 14px;
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
}

.biz-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary);
    font-weight: 700;
    font-size: 0.92rem;
    transition: 0.3s;
}

.biz-link:hover { gap: 16px; }

/* Featured mock visual */
.biz-featured-visual {
    background: rgba(15, 15, 40, 0.6);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
}

/* Browser mockup */
.mock-browser {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(6, 6, 26, 0.8);
}

.mock-browser-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mock-dots {
    display: flex;
    gap: 6px;
}

.mock-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mock-url-bar {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 6px 12px;
}

.mock-url-text {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
    font-family: monospace;
}

.mock-browser-actions {
    display: flex;
    gap: 6px;
}

.mock-browser-action {
    width: 16px;
    height: 4px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 2px;
}

.mock-page-content {
    padding: 20px;
    position: relative;
}

.mock-nav-items {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.mock-nav-item {
    height: 6px;
    width: 48px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
}

.mock-nav-item.active {
    width: 60px;
    background: rgba(59, 130, 246, 0.4);
}

.mock-hero-section {
    margin-bottom: 20px;
}

.mock-hero-title {
    height: 16px;
    width: 70%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
    border-radius: 4px;
    margin-bottom: 8px;
}

.mock-hero-subtitle {
    height: 8px;
    width: 50%;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    margin-bottom: 14px;
}

.mock-hero-buttons {
    display: flex;
    gap: 8px;
}

.mock-btn {
    height: 24px;
    border-radius: 6px;
}

.mock-btn.primary {
    width: 80px;
    background: var(--gradient);
}

.mock-btn.secondary {
    width: 60px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mock-features-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 16px;
}

.mock-feature-box {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
}

.mock-feature-icon {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.mock-feature-text {
    height: 6px;
    width: 60%;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    margin: 0 auto;
}

.mock-floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    background: rgba(10, 10, 30, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    font-size: 0.65rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
}

.mock-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.mock-badge-dot.green { background: #22c55e; box-shadow: 0 0 6px #22c55e; }
.mock-badge-dot.blue { background: #3b82f6; box-shadow: 0 0 6px #3b82f6; }

.badge-1 { top: 16px; right: 12px; animation: float1 6s ease-in-out infinite; }
.badge-2 { bottom: 16px; left: 12px; animation: float2 7s ease-in-out infinite; }

.mock-header { display: flex; gap: 8px; margin-bottom: 20px; }

.mock-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
}

.mock-row {
    height: 14px;
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.06);
    margin-bottom: 12px;
}

.mock-row.medium { width: 80%; }
.mock-row.short { width: 60%; }

.mock-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 20px;
}

.mock-block {
    height: 68px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
    font-weight: 600;
}

.mock-cta-btns {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.mock-cta {
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 600;
}

.mock-cta-primary {
    background: var(--gradient);
    flex: 2;
    color: #fff !important;
}

.mock-cta-secondary {
    background: rgba(255, 255, 255, 0.05);
    flex: 1;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ================================================================
   WHY US CARDS — Light theme on dark
   ================================================================ */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.why-card {
    background: rgba(15, 15, 40, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
}

.why-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: 0.4s;
    transform-origin: left;
}

.why-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.12);
}

.why-card:hover::after { transform: scaleX(1); }

.why-num {
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 20px;
    opacity: 0.15;
    letter-spacing: -3px;
}

.why-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
    letter-spacing: -0.3px;
}

.why-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
}

/* ================================================================
   GEO BANNER
   ================================================================ */
.geo-banner {
    display: block;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    padding: 32px 48px;
    text-align: center;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 auto 56px;
    max-width: 880px;
    transition: var(--transition);
    box-shadow: 0 8px 40px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.geo-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.geo-banner:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 56px rgba(59, 130, 246, 0.45);
}

.geo-banner small {
    display: block;
    font-size: 0.82rem;
    font-weight: 400;
    opacity: 0.8;
    margin-top: 6px;
}

/* ================================================================
   GEO VS SE

... [OUTPUT TRUNCATED - 9231 chars omitted out of 59231 total] ...

);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 0.06);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-group select option {
    background: var(--dark);
    color: var(--text);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    background: var(--gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    letter-spacing: -0.3px;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(59, 130, 246, 0.35);
}

/* ================================================================
   STATS SECTION
   ================================================================ */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(10, 10, 30, 0) 0%, rgba(10, 10, 40, 0.6) 50%, rgba(10, 10, 30, 0) 100%);
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.25), transparent);
}

.stats-section::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.25), transparent);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item {
    padding: 32px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-4px);
}

.stat-number {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 4px;
    letter-spacing: -2px;
}

.stat-suffix {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
    margin-top: 8px;
    letter-spacing: -0.2px;
}

/* ================================================================
   CLIENTS / SOCIAL PROOF
   ================================================================ */
.clients-section {
    padding: 100px 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.clients-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
}

.clients-marquee {
    overflow: hidden;
    margin-bottom: 64px;
    position: relative;
}

.clients-marquee::before,
.clients-marquee::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    width: 120px;
    z-index: 2;
}

.clients-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--dark) 0%, transparent 100%);
}

.clients-marquee::after {
    right: 0;
    background: linear-gradient(270deg, var(--dark) 0%, transparent 100%);
}

.clients-track {
    display: flex;
    gap: 16px;
    animation: marqueeScroll 28s linear infinite;
    width: max-content;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.client-logo-item {
    flex-shrink: 0;
    padding: 18px 32px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.75);
    white-space: nowrap;
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

.client-logo-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(59, 130, 246, 0.25);
    color: #fff;
    transform: translateY(-2px);
}

.clients-testimonial {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    backdrop-filter: blur(12px);
    transition: var(--transition);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 1.1rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.85;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.testimonial-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
}

.testimonial-role {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}

/* ================================================================
   CTA SECTION
   ================================================================ */
.cta-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    background: var(--gradient-dark);
    text-align: center;
}

.cta-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 1;
}

.cta-orb-1 {
    width: 600px; height: 600px;
    top: -40%; left: -15%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
}

.cta-orb-2 {
    width: 500px; height: 500px;
    bottom: -40%; right: -10%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
}

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

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 10px 24px;
    border-radius: 60px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 28px;
    backdrop-filter: blur(8px);
}

.cta-section h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    color: #fff;
    letter-spacing: -1px;
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-content > p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.cta-trust {
    display: flex;
    gap: 28px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-trust span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

/* ================================================================
   CONTACT INFO CARDS
   ================================================================ */
.contact-info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    transition: var(--transition);
}

.contact-info-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateX(4px);
}

.contact-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.contact-info-card h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}

.contact-info-card p {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

/* ================================================================
   FEATURE CARDS (used on ai-website/shop/robot pages)
   ================================================================ */
.feature-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: rgba(15, 15, 40, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: 0.4s;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-6px);
    box-shadow: 0 20px 56px rgba(0, 0, 0, 0.35), 0 0 40px rgba(59, 130, 246, 0.08);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    margin-bottom: 20px;
    backdrop-filter: blur(12px);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.feature-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

/* ================================================================
   CASES GRID (cases.html)
   ================================================================ */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.case-card {
    background: rgba(15, 15, 40, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
}

.case-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-6px);
    box-shadow: 0 20px 56px rgba(0, 0, 0, 0.35);
}

.case-industry {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--primary-light);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.case-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.case-result {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 20px;
}

.case-metrics {
    display: flex;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.case-metric {
    flex: 1;
}

.case-metric-val {
    font-size: 1.4rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.case-metric-label {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 4px;
    font-weight: 500;
}

/* ================================================================
   PLATFORM GRID (geo.html)
   ================================================================ */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.platform-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.platform-item:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(59, 130, 246, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.platform-icon {
    font-size: 2.2rem;
    margin-bottom: 14px;
}

.platform-name {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.platform-sub {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.5;
}

/* ================================================================
   WHY CARD — p text color fix (improve contrast)
   ================================================================ */
.why-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.85;
}

/* ================================================================
   SECTION TITLE — subtitle fix
   ================================================================ */
.section-title p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.55);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ================================================================
   BIZ CARD text — improve contrast
   ================================================================ */
.biz-card > p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.85;
    margin-bottom: 24px;
}

/* ================================================================
   CONTACT GRID — desktop 2-column layout
   ================================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* ================================================================
   CONTACT FORM — 现代化表单样式
   ================================================================ */
.contact-form {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    backdrop-filter: blur(12px);
}

.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 28px;
    letter-spacing: -0.5px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 8px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #fff;
    font-size: 0.95rem;
    font-family: var(--font);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.4)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-group select option {
    background: #1a1a2e;
    color: #fff;
}

.form-group textarea {
    resize: vertical;
    min-height: 110px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.09);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.btn-submit {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    font-family: var(--font);
    letter-spacing: -0.3px;
    margin-top: 8px;
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 50%);
    pointer-events: none;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.4);
}

.btn-submit:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

/* ================================================================
   RESPONSIVE — stats & clients
   ================================================================ */
/* 默认样式 - 交付流程 */
.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin: 48px 0;
}

.step-item {
    background: rgba(15, 15, 40, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 200px;
    justify-content: flex-start;
}

.step-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-4px);
}

.step-num {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    flex-shrink: 0;
}

.step-title {
    font-weight: 800;
    font-size: 1.05rem;
    color: #fff;
    margin-bottom: 12px;
}

.step-desc {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}

/* cases.html variant: step-number + step-icon */
.step-number {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    flex-shrink: 0;
}

.step-icon {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

/* ai-website.html variant: step-content (h3 + p) */
.step-content h3 {
    font-weight: 800;
    font-size: 1.05rem;
    color: #fff;
    margin-bottom: 10px;
}

.step-content p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}

/* 媒体查询 */






    .hero h1 {
        font-size: clamp(1.8rem, 8vw, 2.4rem);
        letter-spacing: -1px;
        line-height: 1.1;
    }

*/