/* ============================================
   和技云GEO智能营销 - 长春GEO优化公司官网
   Layout Fingerprint: Nav-E, Hero-B, Service-D, Advantage-D, Path-B, Case-C, CTA-D, Color-C, Round-A, Animation-D, Bg-B
   ============================================ */

/* ===== CSS Variables (Color-C: 接近黑色背景 + 霓虹紫/蓝双色, Bg-B: 深空蓝灰 #0B1120 + 渐变光晕) ===== */
:root {
    --bg-primary: #0B1120;
    --bg-secondary: #0D1528;
    --bg-card: #111B30;
    --bg-card-hover: #162240;
    --border-color: rgba(99, 102, 241, 0.15);
    --border-glow: rgba(99, 102, 241, 0.3);
    --primary-purple: #818cf8;
    --primary-indigo: #6366f1;
    --primary-cyan: #22d3ee;
    --primary-glow: rgba(99, 102, 241, 0.12);
    --accent-cyan: #2dd4bf;
    --accent-purple: #a78bfa;
    --text-primary: #f0f2f8;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --success: #22c55e;
    --danger: #ef4444;
    --gradient-primary: linear-gradient(135deg, #818cf8, #6366f1);
    --gradient-accent: linear-gradient(135deg, #22d3ee, #818cf8);
    --gradient-hero: linear-gradient(135deg, #0B1120 0%, #0D1528 30%, #111B30 60%, #0B1120 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.5);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.6);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.7);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.8);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 32px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Inter', 'Noto Sans SC', 'PingFang SC', system-ui, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Typography ===== */
.gradient-text-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-cyan);
    padding: 8px 22px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    border: 1px solid rgba(45, 212, 191, 0.2);
}

.section-tag::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent-cyan); }
    50% { opacity: 0.3; box-shadow: none; }
}

.section-title {
    font-size: 2.4rem;
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.25;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== Buttons (Round-A: 大圆角32px，字体粗重) ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 25px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--accent-cyan);
    border-color: rgba(45, 212, 191, 0.4);
}

.btn-outline:hover {
    background: rgba(45, 212, 191, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(45, 212, 191, 0.15);
}

.btn-lg {
    padding: 20px 44px;
    font-size: 1.1rem;
    border-radius: var(--radius-xl);
}

.btn-sm {
    padding: 12px 26px;
    font-size: 0.9rem;
    border-radius: var(--radius-xl);
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 16px 28px;
}

/* ===== Header & Navigation (Nav-E: 吸顶透明+滚动后实色背景) ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(11, 17, 32, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    box-shadow: 0 4px 30px rgba(0,0,0,0.6);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
    flex-shrink: 0;
}

.nav-logo-icon i {
    font-size: 1.7rem;
    color: var(--primary-purple);
    filter: drop-shadow(0 0 10px rgba(129, 140, 248, 0.5));
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link.active { color: var(--accent-cyan); }

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

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

.bar {
    width: 26px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.hamburger.active .bar:nth-child(2) { opacity: 0; }
.hamburger.active .bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* ===== Hero Section (Hero-B: 纯文字居中 + 下方浮动数据卡片) ===== */
.hero {
    position: relative;
    padding: 140px 0 100px;
    background: var(--gradient-hero);
    color: white;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-particles { position: absolute; inset: 0; }

.hero-gradient-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 70%, rgba(45, 212, 191, 0.06) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    padding: 10px 22px;
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.8;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

/* 浮动数据卡片 */
.hero-float-cards {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.hero-float-card {
    background: rgba(17, 27, 48, 0.8);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-xl);
    padding: 28px 32px;
    text-align: center;
    min-width: 180px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.hero-float-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: var(--transition);
}

.hero-float-card:hover::before { opacity: 1; }

.hero-float-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
}

.float-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: rgba(99, 102, 241, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 1.3rem;
    color: var(--primary-purple);
    transition: var(--transition);
}

.hero-float-card:hover .float-card-icon {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.float-card-data {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 6px;
}

.float-card-value {
    font-size: 2.4rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.float-card-suffix {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.float-card-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===== Services Section (Service-D: 选项卡式) ===== */
.services {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
}

.services-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.services-tabs-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    background: rgba(17, 27, 48, 0.6);
    padding: 6px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.services-tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    font-family: inherit;
}

.services-tab-btn i {
    font-size: 1.1rem;
    transition: var(--transition);
}

.services-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.services-tab-btn.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.services-tab-btn.active i {
    color: white;
}

.services-tabs-content {
    position: relative;
}

.services-tab-panel {
    display: none;
    animation: tabFadeIn 0.4s ease;
}

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

@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.tab-panel-info h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.tab-panel-info > p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.tab-panel-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.tab-panel-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tab-panel-features li i {
    color: var(--success);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.tab-panel-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.tab-panel-icon {
    width: 120px;
    height: 120px;
    border-radius: 32px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-purple);
    transition: var(--transition);
}

.services-tab-panel.active .tab-panel-icon {
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.1); }
    50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.2); }
}

.tab-panel-stats {
    display: flex;
    gap: 20px;
}

.tab-stat {
    text-align: center;
    padding: 16px 20px;
    background: rgba(17, 27, 48, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    min-width: 90px;
}

.tab-stat-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.tab-stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===== Advantages Section (Advantage-D: 左右对比) ===== */
.advantages {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

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

.advantages-left .section-tag {
    margin-bottom: 16px;
}

.advantages-title {
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.3;
    color: var(--text-primary);
}

.advantages-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

.advantages-right {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.advantage-list-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.advantage-list-item:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.25);
    background: var(--bg-card-hover);
}

.advantage-list-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary-purple);
    flex-shrink: 0;
    transition: var(--transition);
}

.advantage-list-item:hover .advantage-list-icon {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.advantage-list-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.advantage-list-content p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== About GEO Section ===== */
.about-geo {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.about-geo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
}

.geo-dimensions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.geo-dimension-card {
    display: flex;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: var(--transition);
}

.geo-dimension-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.25);
    background: var(--bg-card-hover);
}

.geo-dimension-number {
    font-size: 2.6rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    flex-shrink: 0;
    min-width: 52px;
}

.geo-dimension-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.geo-dimension-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== GEO Path Section (Path-B: 垂直时间线) ===== */
.geo-path {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.path-timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 80px;
}

.path-timeline::before {
    content: '';
    position: absolute;
    left: 35px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.4), rgba(45, 212, 191, 0.4));
}

.path-timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 40px;
}

.path-timeline-item:last-child {
    margin-bottom: 0;
}

.path-timeline-marker {
    position: absolute;
    left: -80px;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.path-timeline-num {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary-purple);
    background: var(--bg-card);
    border: 2px solid rgba(99, 102, 241, 0.3);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.path-timeline-item:hover .path-timeline-num {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.path-timeline-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-cyan);
    border: 2px solid var(--bg-primary);
    box-shadow: 0 0 10px rgba(45, 212, 191, 0.3);
}

.path-timeline-content {
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    transition: var(--transition);
}

.path-timeline-content:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.25);
    background: var(--bg-card-hover);
}

.path-timeline-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.path-timeline-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Cases Section (Case-C: 标签切换) ===== */
.cases {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
}

.cases-tabs-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.cases-tab-btn {
    padding: 10px 24px;
    border: 1px solid rgba(99, 102, 241, 0.15);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-xl);
    transition: var(--transition);
    font-family: inherit;
}

.cases-tab-btn:hover {
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.cases-tab-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card-filter {
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.case-card-filter:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.25);
    background: var(--bg-card-hover);
}

.case-industry {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-cyan);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(45, 212, 191, 0.15);
}

.case-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.case-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.case-item {
    padding: 16px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.case-item.before {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
}

.case-item.after {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.15);
}

.case-item-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 6px;
}

.case-item-value {
    font-size: 1.4rem;
    font-weight: 800;
}

.case-item.before .case-item-value { color: var(--danger); }
.case-item.after .case-item-value { color: var(--success); }

.case-progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.case-progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
}

.case-progress-fill {
    height: 100%;
    border-radius: 4px;
    background: var(--gradient-primary);
    transition: width 1.5s ease;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

/* ===== Platforms Section ===== */
.platforms {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.platforms-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.platform-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 26px 22px;
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    min-width: 130px;
    transition: var(--transition);
}

.platform-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.25);
    background: var(--bg-card-hover);
}

.platform-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    transition: var(--transition);
}

.platform-item:hover .platform-icon {
    transform: scale(1.1) rotate(5deg);
}

.platform-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
}

.platform-growth {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
    padding: 2px 12px;
    border-radius: 10px;
}

/* ===== News Section ===== */
.news-section {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.25);
    background: var(--bg-card-hover);
}

.news-card-image {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.6);
}

.news-card-body {
    padding: 24px;
}

.news-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.82rem;
}

.news-card-date {
    color: var(--text-muted);
}

.news-card-date i {
    margin-right: 4px;
}

.news-card-category {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-cyan);
    padding: 3px 12px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.78rem;
}

.news-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-card-title a {
    color: var(--text-primary);
}

.news-card-title a:hover {
    color: var(--primary-purple);
}

.news-card-excerpt {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-card-link {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-cyan);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-card-link:hover {
    gap: 10px;
    color: var(--primary-purple);
}

.news-more {
    text-align: center;
    margin-top: 40px;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(45, 212, 191, 0.05) 0%, transparent 50%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.4rem;
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.cta-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ===== Slide-in CTA (CTA-D: 侧边滑入式) ===== */
.slidein-cta {
    position: fixed;
    right: -320px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    transition: right 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.slidein-cta.show {
    right: 0;
}

.slidein-cta-content {
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-right: none;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    padding: 28px 24px;
    width: 280px;
    text-align: center;
    box-shadow: -4px 0 30px rgba(0,0,0,0.5);
    position: relative;
}

.slidein-cta-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
}

.slidein-cta-close:hover {
    color: var(--text-primary);
}

.slidein-cta-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: white;
    margin: 0 auto 14px;
}

.slidein-cta-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.slidein-cta-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
}

/* ===== Footer ===== */
.footer {
    background: #070C18;
    padding: 80px 0 0;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.footer-logo i {
    font-size: 1.7rem;
    color: var(--primary-purple);
}

.footer-slogan {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    font-style: italic;
}

.footer-contact p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    width: 20px;
    color: var(--accent-cyan);
}

.footer-contact a {
    color: var(--text-secondary);
}

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

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    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: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.88rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent-cyan);
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-overlay.show {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-container {
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 440px;
    width: 90%;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from { transform: translateY(20px) scale(0.95); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    margin-bottom: 28px;
}

.modal-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.modal-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.contact-info-modal {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.contact-info-item:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.25);
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-purple);
    flex-shrink: 0;
}

.contact-info-detail {
    display: flex;
    flex-direction: column;
}

.contact-info-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.contact-info-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-info-tip {
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.contact-info-tip i {
    margin-right: 4px;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

/* ===== Page Hero (for news.html & article.html) ===== */
.page-hero {
    padding: 140px 0 80px;
    background: var(--gradient-hero);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.page-hero-content {
    position: relative;
    z-index: 1;
}

.page-hero-title {
    font-size: 2.6rem;
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.page-hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== News List Page ===== */
.news-list-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.news-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.news-list-card {
    display: flex;
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.news-list-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.25);
}

.news-list-image {
    width: 200px;
    min-height: 200px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.5);
}

.news-list-body {
    padding: 24px;
    flex: 1;
}

.news-list-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 0.82rem;
}

.news-list-date {
    color: var(--text-muted);
}

.news-list-date i {
    margin-right: 4px;
}

.news-list-category {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-cyan);
    padding: 3px 12px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.78rem;
}

.news-list-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-list-title a {
    color: var(--text-primary);
}

.news-list-title a:hover {
    color: var(--primary-purple);
}

.news-list-excerpt {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.news-list-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.news-list-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    padding: 3px 10px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.news-list-link {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-cyan);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-list-link:hover {
    gap: 10px;
    color: var(--primary-purple);
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 50px;
}

.pagination-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.pagination-item:hover {
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.pagination-item.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.pagination-item.next {
    width: auto;
    padding: 0 20px;
    gap: 6px;
}

/* ===== Article Page ===== */
.article-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
}

.article-main {
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.article-breadcrumb a {
    color: var(--text-muted);
}

.article-breadcrumb a:hover {
    color: var(--accent-cyan);
}

.article-breadcrumb .separator {
    color: var(--text-muted);
}

.article-header-info {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-header-info span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-main h1 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 24px;
    line-height: 1.3;
    color: var(--text-primary);
}

.article-body h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 32px 0 16px;
    color: var(--text-primary);
}

.article-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 24px 0 12px;
    color: var(--text-primary);
}

.article-body p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.article-body ul {
    margin: 16px 0;
    padding-left: 20px;
}

.article-body ul li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
    list-style: disc;
}

.article-body ul li::marker {
    color: var(--accent-cyan);
}

.article-highlight {
    background: rgba(99, 102, 241, 0.06);
    border-left: 3px solid var(--primary-purple);
    padding: 20px 24px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 24px 0;
}

.article-highlight p {
    margin-bottom: 0;
    color: var(--text-primary);
}

.article-cta-inline {
    background: var(--bg-card-hover);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    margin: 32px 0;
}

.article-cta-inline h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

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

/* ===== Sidebar ===== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.sidebar-widget h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-related-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.sidebar-related-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sidebar-related-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}

.sidebar-related-content h4 {
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.4;
}

.sidebar-related-content h4 a {
    color: var(--text-primary);
}

.sidebar-related-content h4 a:hover {
    color: var(--primary-purple);
}

.sidebar-related-content span {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.sidebar-contact-info p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-contact-info i {
    color: var(--accent-cyan);
    width: 18px;
}

/* ===== Related Articles ===== */
.related-articles {
    padding: 60px 0;
    background: var(--bg-primary);
}

.related-articles h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-primary);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .tab-panel-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .tab-panel-visual {
        order: -1;
    }
    .advantages-split {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(11, 17, 32, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid rgba(99, 102, 241, 0.1);
        display: none;
    }
    .nav-menu.show {
        display: flex;
    }
    .nav-link {
        width: 100%;
        padding: 14px 18px;
        font-size: 1rem;
    }
    .hamburger {
        display: flex;
    }
    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }
    .hero-title {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 0.95rem;
    }
    .hero-float-cards {
        gap: 12px;
    }
    .hero-float-card {
        min-width: 140px;
        padding: 20px 16px;
    }
    .float-card-value {
        font-size: 1.8rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .services-tabs-nav {
        flex-direction: column;
    }
    .services-tab-btn {
        justify-content: flex-start;
    }
    .geo-dimensions {
        grid-template-columns: 1fr;
    }
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .news-list-grid {
        grid-template-columns: 1fr;
    }
    .news-list-card {
        flex-direction: column;
    }
    .news-list-image {
        width: 100%;
        height: 160px;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .page-hero-title {
        font-size: 2rem;
    }
    .article-main {
        padding: 24px;
    }
    .article-main h1 {
        font-size: 1.5rem;
    }
    .slidein-cta {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }
    .hero-float-card {
        min-width: 120px;
        padding: 16px 12px;
    }
    .float-card-value {
        font-size: 1.4rem;
    }
    .section-title {
        font-size: 1.4rem;
    }
    .btn {
        padding: 14px 28px;
        font-size: 0.9rem;
    }
    .btn-lg {
        padding: 16px 32px;
        font-size: 1rem;
    }
    .footer-links {
        grid-template-columns: 1fr;
    }
    .tab-panel-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
    .path-timeline {
        padding-left: 60px;
    }
    .path-timeline-marker {
        left: -60px;
    }
    .path-timeline-num {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
}