:root {
    --blue: #176BFF;
    --deep-blue: #0D2E6E;
    --white: #FFFFFF;
    --light-gray: #F5F8FC;
    --card-shadow: rgba(0, 0, 0, .06);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
    --text-dark: #1a1a2e;
    --text-gray: #5a6a7e;
    --text-muted: #8a99ac;
    --accent: var(--blue);
    --border-radius: 18px;
    --transition: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    background: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ============ 全局网格背景 ============ */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.04;
    background-image:
        linear-gradient(rgba(23, 107, 255, 0.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 107, 255, 0.5) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center center;
}

/* ============ 粒子画布 ============ */
#particlesCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* ============ 导航栏 ============ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(23, 107, 255, 0.1);
    transition: all 0.3s ease;
    padding: 0 2rem;
}
.nav.scrolled {
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.92);
}
.nav-inner {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--deep-blue);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.nav-logo .logo-icon {
    width: 40px;
    height: 40px;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}
.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    position: relative;
}
.nav-links a:hover {
    color: var(--blue);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue);
    border-radius: 2px;
    transition: width 0.3s;
}
.nav-links a:hover::after {
    width: 100%;
}
.nav-cta {
    background: var(--blue);
    color: #fff !important;
    padding: 10px 22px;
    border-radius: 28px;
    font-weight: 600;
    transition: all 0.3s !important;
    box-shadow: 0 4px 16px rgba(23, 107, 255, 0.3);
}
.nav-cta:hover {
    background: #0d5ce0;
    box-shadow: 0 6px 24px rgba(23, 107, 255, 0.45);
    transform: translateY(-2px);
}
.nav-cta::after {
    display: none !important;
}
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}
.mobile-toggle span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--deep-blue);
    border-radius: 3px;
    transition: 0.3s;
}

/* ============ 通用区块 ============ */
.section {
    position: relative;
    z-index: 1;
    padding: 100px 2rem;
}
.section-inner {
    max-width: 1200px;
    margin: 0 auto;
}
.section-label {
    text-align: center;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--blue);
    font-weight: 700;
    margin-bottom: 10px;
}
.section-title {
    text-align: center;
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============ HERO 第一屏 ============ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 100px 2rem 60px;
    overflow: hidden;
}
.hero-inner {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}
.hero-left {
    position: relative;
    z-index: 2;
}
.hero-badge {
    display: inline-block;
    background: rgba(23, 107, 255, 0.08);
    color: var(--blue);
    padding: 8px 18px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
    letter-spacing: 1px;
    border: 1px solid rgba(23, 107, 255, 0.2);
}
.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--deep-blue);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -1px;
}
.hero-title span {
    background: linear-gradient(135deg, #176BFF, #0D2E6E);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 28px;
    line-height: 1.7;
}
.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}
.hero-tag {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(23, 107, 255, 0.2);
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--deep-blue);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s;
}
.hero-tag:hover {
    border-color: var(--blue);
    box-shadow: 0 0 20px rgba(23, 107, 255, 0.15);
    transform: translateY(-2px);
}
.hero-tag .check {
    color: var(--blue);
    font-weight: 700;
}
.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.btn-primary {
    background: var(--blue);
    color: #fff;
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.35s;
    border: none;
    cursor: pointer;
    box-shadow: 0 6px 24px rgba(23, 107, 255, 0.35);
    letter-spacing: 0.5px;
}
.btn-primary:hover {
    background: #0d5ce0;
    box-shadow: 0 10px 32px rgba(23, 107, 255, 0.5);
    transform: translateY(-3px);
}
.btn-outline {
    background: var(--white);
    color: var(--blue);
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.35s;
    border: 2px solid var(--blue);
    cursor: pointer;
    letter-spacing: 0.5px;
}
.btn-outline:hover {
    background: rgba(23, 107, 255, 0.04);
    box-shadow: 0 6px 20px rgba(23, 107, 255, 0.2);
    transform: translateY(-3px);
}
.hero-right {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-model-container {
    position: relative;
    width: 100%;
    max-width: 520px;
    aspect-ratio: 1 / 1.1;
}
.hero-glass-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    padding: 20px;
    z-index: 3;
}
.hero-glass-card.card-1 {
    top: 5%;
    right: 5%;
    width: 55%;
}
.hero-glass-card.card-2 {
    bottom: 10%;
    left: 3%;
    width: 48%;
}
.hero-model-svg {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
}
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    opacity: 0.5;
}
.hero-glow.g1 {
    width: 300px;
    height: 300px;
    background: rgba(23, 107, 255, 0.25);
    top: 10%;
    right: 15%;
}
.hero-glow.g2 {
    width: 200px;
    height: 200px;
    background: rgba(13, 46, 110, 0.2);
    bottom: 20%;
    left: 20%;
}

/* ============ 第二屏：为什么选择 ============ */
.why-section {
    background: var(--light-gray);
    position: relative;
}
.why-section .grid-bg-local {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.06;
    background-image:
        linear-gradient(rgba(23, 107, 255, 0.6) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 107, 255, 0.6) 1px, transparent 1px);
    background-size: 35px 35px;
    z-index: 0;
}
.cards-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}
.card-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    cursor: default;
    box-shadow: 0 4px 16px var(--card-shadow);
    position: relative;
    overflow: hidden;
}
.card-glass:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(23, 107, 255, 0.15);
    border-color: rgba(23, 107, 255, 0.5);
}
.card-glass::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(23, 107, 255, 0.06) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}
.card-glass:hover::before {
    opacity: 1;
}
.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(23, 107, 255, 0.1), rgba(13, 46, 110, 0.08));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 18px;
    transition: var(--transition);
}
.card-glass:hover .card-icon {
    background: linear-gradient(135deg, #176BFF, #0D2E6E);
    color: #fff;
    box-shadow: 0 8px 28px rgba(23, 107, 255, 0.35);
}
.card-glass h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: 8px;
}
.card-glass p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ============ 第三屏：案例 ============ */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.case-card {
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--border-radius);
    padding: 28px 22px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px var(--card-shadow);
}
.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 44px rgba(23, 107, 255, 0.2);
    border-color: rgba(23, 107, 255, 0.5);
}
.case-card .case-glow {
    position: absolute;
    inset: -2px;
    border-radius: 20px;
    background: transparent;
    transition: all 0.4s;
    pointer-events: none;
    z-index: 0;
}
.case-card:hover .case-glow {
    box-shadow: 0 0 30px rgba(23, 107, 255, 0.2);
}
.case-card .case-icon-wrap {
    width: 56px;
    height: 56px;
    background: rgba(23, 107, 255, 0.06);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 1.6rem;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}
.case-card:hover .case-icon-wrap {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 6px 22px rgba(23, 107, 255, 0.4);
}
.case-card h4 {
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
    font-size: 1rem;
}
.case-card .case-more {
    display: inline-block;
    margin-top: 10px;
    color: var(--blue);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.35s;
    position: relative;
    z-index: 1;
}
.case-card:hover .case-more {
    opacity: 1;
    transform: translateY(0);
}
.case-illustration {
    margin: 10px 0 0;
    position: relative;
    z-index: 1;
    font-size: 0.7rem;
    color: var(--text-gray);
    line-height: 1.7;
    text-align: center;
    transition: opacity 0.3s;
}
.case-illustration p {
    margin: 0;
}
.case-card:hover .case-illustration {
    opacity: 1;
}

/* ============ 第四屏：开发流程时间轴 ============ */
.timeline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    position: relative;
    flex-wrap: wrap;
    gap: 0;
}
.timeline::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 8%;
    right: 8%;
    height: 3px;
    background: linear-gradient(90deg, #176BFF, #0D2E6E, #176BFF);
    border-radius: 3px;
    z-index: 0;
}
.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
    min-width: 90px;
    text-align: center;
}
.timeline-dot {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--blue);
    margin-bottom: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(23, 107, 255, 0.2);
}
.timeline-item:hover .timeline-dot {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 8px 28px rgba(23, 107, 255, 0.4);
    transform: scale(1.1);
}
.timeline-item span {
    font-weight: 600;
    color: var(--deep-blue);
    font-size: 0.9rem;
}

/* ============ 第五屏：可定制功能 ============ */
.capability-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}
.capability-tag {
    background: var(--white);
    border: 1px solid rgba(23, 107, 255, 0.2);
    padding: 12px 20px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--deep-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    cursor: pointer;
}
.capability-tag:hover {
    background: rgba(23, 107, 255, 0.06);
    border-color: var(--blue);
    box-shadow: 0 4px 16px rgba(23, 107, 255, 0.15);
    transform: translateY(-3px);
}
.capability-tag .cap-icon {
    font-size: 1.2rem;
}

/* ============ 第六屏：团队优势 ============ */
.stats-section {
    background: linear-gradient(135deg, #f8faff 0%, #eef3fc 100%);
    position: relative;
    overflow: hidden;
}
.stats-section .blueprint-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.04;
    background:
        repeating-linear-gradient(0deg, #0D2E6E 0px, #0D2E6E 1px, transparent 1px, transparent 60px),
        repeating-linear-gradient(90deg, #0D2E6E 0px, #0D2E6E 1px, transparent 1px, transparent 60px);
    z-index: 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}
.stat-card {
    text-align: center;
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 36px 20px;
    box-shadow: 0 4px 20px var(--card-shadow);
    transition: var(--transition);
    border: 1px solid transparent;
}
.stat-card:hover {
    border-color: rgba(23, 107, 255, 0.3);
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(23, 107, 255, 0.15);
}
.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--blue);
    letter-spacing: -1px;
    line-height: 1;
}
.stat-label {
    color: var(--text-gray);
    margin-top: 8px;
    font-weight: 500;
    font-size: 0.95rem;
}
.stat-divider {
    width: 40px;
    height: 3px;
    background: var(--blue);
    border-radius: 2px;
    margin: 14px auto;
    opacity: 0.5;
}

/* ============ 第七屏：合作流程 ============ */
.flow-section {
    background: var(--light-gray);
}
.flow-horizontal {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}
.flow-step {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 22px 26px;
    text-align: center;
    font-weight: 600;
    color: var(--deep-blue);
    box-shadow: 0 3px 12px var(--card-shadow);
    transition: var(--transition);
    min-width: 100px;
    border: 1px solid transparent;
    position: relative;
}
.flow-step:hover {
    border-color: var(--blue);
    box-shadow: 0 8px 24px rgba(23, 107, 255, 0.18);
    transform: translateY(-4px);
}
.flow-arrow {
    font-size: 1.5rem;
    color: var(--blue);
    font-weight: 700;
    flex-shrink: 0;
}
.flow-step .step-num {
    display: block;
    font-size: 0.75rem;
    color: var(--blue);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 4px;
}

/* ============ 第八屏：留资表单 ============ */
.cta-section {
    background: linear-gradient(160deg, #0D2E6E 0%, #0a1f4a 40%, #0D2E6E 100%);
    position: relative;
    overflow: hidden;
}
.cta-section .cta-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    pointer-events: none;
}
.cta-section .cta-glow.g1 {
    width: 400px;
    height: 400px;
    background: rgba(23, 107, 255, 0.5);
    top: -10%;
    left: -10%;
}
.cta-section .cta-glow.g2 {
    width: 350px;
    height: 350px;
    background: rgba(23, 107, 255, 0.35);
    bottom: -15%;
    right: -8%;
}
.cta-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.form-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 24px;
    padding: 40px 32px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}
.form-card h2 {
    color: #fff;
    font-size: 1.6rem;
    margin-bottom: 8px;
    font-weight: 700;
}
.form-card .form-subtitle {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
    font-size: 0.95rem;
}
.form-card input,
.form-card textarea {
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 16px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s;
    outline: none;
    resize: vertical;
}
.form-card input::placeholder,
.form-card textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}
.form-card input:focus,
.form-card textarea:focus {
    border-color: #4d9fff;
    background: rgba(255, 255, 255, 0.18);
    box-shadow: 0 0 20px rgba(23, 107, 255, 0.3);
}
.form-card .btn-submit {
    width: 100%;
    padding: 15px;
    border-radius: 30px;
    background: linear-gradient(135deg, #176BFF, #0d5ce0);
    color: #fff;
    border: none;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.35s;
    letter-spacing: 0.5px;
    box-shadow: 0 8px 28px rgba(23, 107, 255, 0.4);
}
.form-card .btn-submit:hover {
    box-shadow: 0 14px 36px rgba(23, 107, 255, 0.6);
    transform: translateY(-3px);
}
.form-status {
    min-height: 18px;
    margin-top: 12px;
    text-align: center;
    font-size: 0.85rem;
    line-height: 1.5;
    transition: color var(--transition);
}
.form-status:empty {
    min-height: 0;
    margin-top: 0;
}
.form-status.success {
    color: #4dff91;
}
.form-status.error {
    color: #ff8a80;
}
.cta-features {
    list-style: none;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
}
.cta-features li {
    display: flex;
    align-items: center;
    gap: 6px;
}
.cta-features .check-circle {
    color: #4dff91;
    font-weight: 700;
}
.cta-right-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============ Footer ============ */
.footer {
    text-align: center;
    padding: 44px 2rem;
    color: var(--text-gray);
    font-size: 0.85rem;
    line-height: 1.8;
    background: var(--light-gray);
    border-top: 1px solid rgba(23, 107, 255, 0.08);
}

.footer p {
    margin: 0;
}

.footer p:first-child {
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.footer .icp-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

.footer .icp-link:hover {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}




/* ============ 动画 ============ */
@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .hero-right {
        order: -1;
    }
    .hero-model-container {
        max-width: 360px;
        aspect-ratio: 1/1;
    }
    .hero-btns {
        justify-content: center;
    }
    .hero-tags {
        justify-content: center;
    }
    .cards-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cta-inner {
        grid-template-columns: 1fr;
    }
    .timeline::before {
        display: none;
    }
    .timeline {
        gap: 20px;
        justify-content: center;
    }
    .timeline-item {
        flex: 0 0 auto;
        width: 100px;
    }
    .flow-horizontal {
        gap: 16px;
    }
    .flow-arrow {
        display: none;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .hero-title {
        font-size: 2.2rem;
    }
}
@media (max-width: 640px) {
    .nav-links {
        display: none;
    }
    .mobile-toggle {
        display: flex;
    }
    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 68px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(20px);
        padding: 20px 2rem;
        gap: 16px;
        border-bottom: 2px solid rgba(23, 107, 255, 0.15);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    .cards-4 {
        grid-template-columns: 1fr;
    }
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero-title {
        font-size: 1.8rem;
    }
    .section {
        padding: 60px 1rem;
    }
    .footer {
        padding: 36px 1rem;
    }
    .hero {
        padding: 80px 1rem 40px;
        min-height: auto;
    }
    .capability-tag {
        font-size: 0.8rem;
        padding: 10px 14px;
    }
}