/* ============================================
   AgentCraft — 医疗AI智能体定制开发
   科技简约风格
   ============================================ */

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f7ff;
    --bg-surface: rgba(59,130,246,0.04);
    --border-color: rgba(0,0,0,0.06);
    --border-hover: rgba(59,130,246,0.2);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent: #2563eb;
    --accent-light: #3b82f6;
    --accent-dark: #1d4ed8;
    --accent-glow: rgba(37,99,235,0.08);
    --accent-cyan: #0891b2;
    --accent-purple: #7c3aed;
    
    --gradient-primary: linear-gradient(135deg, #2563eb, #0891b2);
    --gradient-hero: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 50%, #ecfeff 100%);
    --gradient-cta: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-text: linear-gradient(135deg, #2563eb 0%, #0891b2 100%);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
    --shadow-glow: 0 0 40px rgba(37,99,235,0.08);
    
    --font-sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
    
    --max-width: 1200px;
    --header-height: 68px;
    
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-cyan); }

img { max-width: 100%; height: auto; }

/* ========== Header ========== */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    height: var(--header-height);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    overflow: hidden;
}

.site-header.scrolled {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.site-header .container {
    display: flex; align-items: center; justify-content: space-between; height: 100%;
}

.logo {
    display: flex; align-items: center; gap: 10px;
    font-weight: 700; font-size: 1.2rem; color: var(--text-primary); text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-icon {
    font-family: var(--font-mono); font-size: 1rem; color: var(--accent-light);
    background: var(--accent-glow); padding: 4px 8px; border-radius: 6px;
    border: 1px solid rgba(59,130,246,0.2);
}

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

.logo-img { height: 42px; width: auto; max-width: 180px; display: block; border-radius: 6px; object-fit: contain; flex-shrink: 0; }

.main-nav { display: flex; gap: 8px; }

.nav-link {
    color: var(--text-secondary); padding: 8px 16px; border-radius: var(--radius-sm);
    font-size: 0.9rem; font-weight: 500; transition: var(--transition);
}

.nav-link:hover { color: var(--text-primary); background: var(--bg-surface); }

/* Mobile Toggle */
.mobile-toggle {
    display: none; flex-direction: column; gap: 5px; background: none;
    border: none; cursor: pointer; padding: 8px; z-index: 1001;
}

.mobile-toggle span {
    display: block; width: 22px; height: 2px; background: var(--text-primary);
    border-radius: 2px; transition: var(--transition);
}

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

/* ========== Buttons ========== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; border-radius: var(--radius-md); font-weight: 600;
    font-size: 1rem; transition: var(--transition); border: none; text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary); color: #fff;
    box-shadow: 0 4px 20px rgba(59,130,246,0.25);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(59,130,246,0.4); color: #fff; }

.btn-arrow { transition: transform 0.2s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.btn-outline {
    background: transparent; color: var(--text-primary); border: 1px solid var(--border-hover);
}

.btn-outline:hover { background: var(--bg-surface); border-color: rgba(255,255,255,0.25); color: var(--text-primary); }

.btn-cta {
    background: var(--gradient-cta); color: #fff; padding: 16px 40px; font-size: 1.1rem;
    box-shadow: 0 4px 25px rgba(139,92,246,0.3);
}

.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 35px rgba(139,92,246,0.5); color: #fff; }

/* ========== Hero ========== */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    overflow: hidden; padding: 120px 0 80px;
}

.hero-bg {
    position: absolute; inset: 0; background: var(--gradient-hero);
}

.hero-bg::before {
    content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(59,130,246,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(6,182,212,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(139,92,246,0.04) 0%, transparent 50%);
    animation: bgShift 20s ease-in-out infinite;
}

@keyframes bgShift {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(1%, -1%); }
    66% { transform: translate(-1%, 1%); }
}

.hero-grid {
    position: absolute; inset: 0;
    background-image: 
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero .container {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
    position: relative; z-index: 1;
}

.hero-content { max-width: 560px; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; background: var(--accent-glow);
    border: 1px solid rgba(59,130,246,0.2); border-radius: 100px;
    font-size: 0.85rem; font-weight: 500; color: var(--accent-light); margin-bottom: 28px;
}

.pulse-dot {
    width: 8px; height: 8px; border-radius: 50%; background: #22c55e;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(34,197,94,0); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.15;
    letter-spacing: -0.03em; margin-bottom: 20px;
}

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

.hero-subtitle {
    font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 36px;
    line-height: 1.7; max-width: 480px;
}

.hero-cta { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }

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

.trust-avatars { display: flex; }

.avatar {
    width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--bg-primary);
    background: var(--gradient-primary); margin-right: -8px;
}

.avatar:nth-child(2) { background: linear-gradient(135deg, #06b6d4, #3b82f6); }
.avatar:nth-child(3) { background: linear-gradient(135deg, #8b5cf6, #3b82f6); }

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

/* Hero Visual */
.hero-visual {
    position: relative; display: flex; align-items: center; justify-content: center; height: 420px;
}

.visual-orb {
    position: relative; width: 280px; height: 280px;
    display: flex; align-items: center; justify-content: center;
}

.orb-ring {
    position: absolute; border-radius: 50%; border: 1px solid rgba(59,130,246,0.15);
}

.ring-1 { width: 100%; height: 100%; animation: orbSpin 15s linear infinite; }
.ring-2 { width: 75%; height: 75%; animation: orbSpin 12s linear infinite reverse; }
.ring-3 { width: 50%; height: 50%; animation: orbSpin 9s linear infinite; }

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

.orb-core {
    width: 120px; height: 120px; border-radius: 50%; background: var(--bg-card);
    border: 1px solid var(--border-hover); display: flex; align-items: center;
    justify-content: center; color: var(--accent-light);
    box-shadow: 0 0 40px rgba(59,130,246,0.15);
}

.orb-core svg { width: 48px; height: 48px; }

/* Floating Cards */
.float-card {
    position: absolute; display: flex; align-items: center; gap: 10px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 12px 16px;
    box-shadow: var(--shadow-md); backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

.fc-1 { top: 20px; right: -20px; animation-delay: 0s; }
.fc-2 { bottom: 30px; left: -30px; animation-delay: -3s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.fc-icon { font-size: 1.2rem; }
.fc-text strong { display: block; font-size: 0.85rem; color: var(--text-primary); }
.fc-text small { font-size: 0.75rem; color: var(--text-secondary); }

/* Hero Scroll */
.hero-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); }

.hero-scroll span {
    display: block; width: 24px; height: 40px; border: 2px solid var(--text-muted);
    border-radius: 12px; position: relative;
}

.hero-scroll span::after {
    content: ''; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    width: 4px; height: 8px; background: var(--text-muted); border-radius: 2px;
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(6px); }
}

/* ========== Stats ========== */
.stats { position: relative; margin-top: -3px; padding: 0 24px; z-index: 2; }

.stats .container {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
    background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid var(--border-color); box-shadow: var(--shadow-md);
}

.stat-item {
    text-align: center; padding: 32px 20px; background: var(--bg-secondary);
    transition: var(--transition); opacity: 0; transform: translateY(20px);
}

.stat-item:hover { background: var(--bg-card-hover); }

.stat-item.visible { opacity: 1; transform: translateY(0); transition: opacity 0.4s ease, transform 0.4s ease; }
.stat-item:nth-child(2) { transition-delay: 0.1s; }
.stat-item:nth-child(3) { transition-delay: 0.15s; }
.stat-item:nth-child(4) { transition-delay: 0.2s; }

.stat-number {
    font-size: 2.2rem; font-weight: 800;
    background: var(--gradient-text); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; margin-bottom: 6px;
}

.stat-label { font-size: 0.9rem; color: var(--text-secondary); font-weight: 500; }

/* ========== Sections ========== */
section { padding: 100px 0; }

.section-header { text-align: center; margin-bottom: 64px; }

.section-tag {
    display: inline-block; padding: 6px 16px;
    background: var(--accent-glow); border: 1px solid rgba(59,130,246,0.2);
    border-radius: 100px; font-size: 0.8rem; font-weight: 600;
    color: var(--accent-light); text-transform: uppercase; letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: clamp(2rem, 3vw, 2.6rem); font-weight: 700;
    letter-spacing: -0.02em; margin-bottom: 14px;
}

.section-header p {
    font-size: 1.1rem; color: var(--text-secondary); max-width: 560px; margin: 0 auto;
}

/* ========== Capabilities ========== */
.capabilities { background: var(--bg-secondary); }

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

.cap-card {
    color: inherit; text-decoration: none; cursor: pointer;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 36px 28px; transition: var(--transition);
    opacity: 0; transform: translateY(20px);
}

.cap-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.cap-card:nth-child(2) { transition-delay: 0.1s; }
.cap-card:nth-child(3) { transition-delay: 0.15s; }
.cap-card:nth-child(4) { transition-delay: 0.2s; }
.cap-card:nth-child(5) { transition-delay: 0.25s; }
.cap-card:nth-child(6) { transition-delay: 0.3s; }

.cap-card:hover {
    background: var(--bg-card-hover); border-color: rgba(59,130,246,0.25);
    transform: translateY(-4px); box-shadow: var(--shadow-glow);
}

.cap-icon {
    width: 52px; height: 52px; border-radius: var(--radius-md);
    background: var(--accent-glow); display: flex; align-items: center;
    justify-content: center; margin-bottom: 22px; color: var(--accent-light);
}

.cap-icon svg { width: 26px; height: 26px; }

.cap-card h3 {
    font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; letter-spacing: -0.01em;
}

.cap-card p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.65; }

/* ========== Process ========== */
.process { background: var(--bg-primary); }

.process-timeline {
    display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative;
}

.process-step {
    text-align: center; position: relative; padding: 0 8px;
    opacity: 0; transform: translateY(20px);
}

.process-step.visible { opacity: 1; transform: translateY(0); transition: opacity 0.4s ease, transform 0.4s ease; }
.process-step:nth-child(2) { transition-delay: 0.1s; }
.process-step:nth-child(3) { transition-delay: 0.2s; }
.process-step:nth-child(4) { transition-delay: 0.3s; }
.process-step:nth-child(5) { transition-delay: 0.4s; }
.process-step:nth-child(6) { transition-delay: 0.5s; }

.step-number {
    width: 48px; height: 48px; border-radius: 50%; background: var(--bg-card);
    border: 2px solid var(--border-color); display: flex; align-items: center;
    justify-content: center; font-weight: 700; font-size: 1rem;
    font-family: var(--font-mono); color: var(--accent-light);
    margin: 0 auto 20px; position: relative; z-index: 1; transition: var(--transition);
}

.process-step:hover .step-number {
    border-color: var(--accent); box-shadow: 0 0 20px rgba(59,130,246,0.25);
}

.step-line {
    position: absolute; top: 24px; left: calc(50% + 8px); right: calc(-50% + 8px);
    height: 1px; background: linear-gradient(90deg, rgba(59,130,246,0.2), transparent);
    z-index: 0;
}

.process-step:last-child .step-line { display: none; }

.step-content h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }

.step-content p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }

/* ========== Cases ========== */
.cases { background: var(--bg-secondary); }

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

.case-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 32px 28px; transition: var(--transition);
    opacity: 0; transform: translateY(20px);
}

.case-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.case-card:nth-child(2) { transition-delay: 0.1s; }
.case-card:nth-child(3) { transition-delay: 0.2s; }

.case-card:hover {
    background: var(--bg-card-hover); border-color: rgba(59,130,246,0.25);
    transform: translateY(-4px); box-shadow: var(--shadow-glow);
}

.case-tag {
    display: inline-block; padding: 4px 12px; background: var(--accent-glow);
    color: var(--accent-light); border-radius: 100px; font-size: 0.78rem;
    font-weight: 600; margin-bottom: 18px;
}

.case-card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 12px; letter-spacing: -0.01em; }
.case-card p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.65; }

/* ========== FAQ ========== */
.faq { background: var(--bg-primary); }

.faq-list { max-width: 760px; margin: 0 auto; }

.faq-item { border-bottom: 1px solid var(--border-color); opacity: 0; transform: translateY(10px); }

.faq-item.visible { opacity: 1; transform: translateY(0); transition: opacity 0.4s ease, transform 0.4s ease; }
.faq-item:nth-child(2) { transition-delay: 0.05s; }
.faq-item:nth-child(3) { transition-delay: 0.1s; }
.faq-item:nth-child(4) { transition-delay: 0.15s; }
.faq-item:nth-child(5) { transition-delay: 0.2s; }
.faq-item:nth-child(6) { transition-delay: 0.25s; }

.faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    gap: 16px; padding: 22px 0; background: none; border: none;
    color: var(--text-primary); font-size: 1.05rem; font-weight: 500;
    font-family: var(--font-sans); cursor: pointer; text-align: left;
    transition: var(--transition);
}

.faq-question:hover { color: var(--accent-light); }

.faq-arrow {
    width: 20px; height: 20px; flex-shrink: 0; transition: transform 0.3s ease;
    color: var(--text-muted);
}

.faq-item.active .faq-arrow { transform: rotate(180deg); color: var(--accent-light); }

.faq-answer {
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer { max-height: 200px; padding-bottom: 22px; }

.faq-answer p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; }

/* ========== CTA ========== */
.cta-section { background: var(--bg-secondary); padding-bottom: 120px; }

.cta-card {
    position: relative; background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-xl); padding: 72px 48px; text-align: center; overflow: hidden;
}

.cta-glow {
    position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
    width: 400px; height: 200px;
    background: radial-gradient(ellipse, rgba(139,92,246,0.12), transparent);
    pointer-events: none;
}

.cta-card h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 16px; position: relative; }
.cta-card p { color: var(--text-secondary); margin-bottom: 32px; font-size: 1.05rem; position: relative; }

/* ========== Comparison Table ========== */
.comparison { background: var(--bg-primary); }

.table-wrapper {
    max-width: 900px;
    margin: 0 auto;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.comparison-table th {
    background: linear-gradient(135deg, #2563eb, #0891b2);
    color: #fff;
    padding: 16px 24px;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
}

.comparison-table th:first-child {
    text-align: left;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-right: 1px solid var(--border-color);
}

.comparison-table td {
    padding: 14px 24px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.comparison-table .col-label {
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    white-space: nowrap;
}

.comparison-table tbody tr:hover td {
    background: var(--accent-glow);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

@media (max-width: 768px) {
    .comparison-table th,
    .comparison-table td {
        padding: 12px 16px;
        font-size: 0.85rem;
    }
}

/* ========== Footer ========== */
.site-footer {
    background: var(--bg-primary); border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px;
}

.footer-logo {
    font-size: 1.25rem; font-weight: 700; background: var(--gradient-text);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
}

.footer-logo-img { height: 42px; width: auto; display: block; border-radius: 6px; margin-bottom: 12px; }

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

.footer-links h4, .footer-contact h4 {
    font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--text-muted); margin-bottom: 16px;
}

.footer-links a, .footer-contact a {
    display: block; color: var(--text-secondary); font-size: 0.9rem;
    margin-bottom: 10px; transition: var(--transition);
}

.footer-links a:hover, .footer-contact a:hover { color: var(--text-primary); }

.footer-bottom {
    padding-top: 24px; border-top: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.85rem; color: var(--text-muted);
}

.footer-icp a { color: var(--text-muted); font-size: 0.85rem; }
.footer-icp a:hover { color: var(--text-secondary); }

/* Page styles */
.page-content { padding: 120px 0 80px; }
.page-header { text-align: center; margin-bottom: 48px; }
.page-header h1 { font-size: clamp(2rem, 3vw, 2.6rem); font-weight: 700; margin-bottom: 14px; }
.page-header p { color: var(--text-secondary); font-size: 1.1rem; }
.page-body { max-width: 800px; margin: 0 auto; font-size: 1.05rem; color: var(--text-secondary); line-height: 1.8; }

.back-link {
    display: inline-block;
    color: var(--accent-light);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    text-decoration: none;
    transition: var(--transition);
}
.back-link:hover { color: var(--accent-cyan); }

.page-body h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 40px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent-glow);
}
.page-body h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 32px 0 12px;
}
.page-body h4 {
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    margin: 24px 0 10px;
}
.page-body ul, .page-body ol {
    margin: 12px 0;
    padding-left: 24px;
}
.page-body li { margin-bottom: 6px; }
.page-body strong { color: var(--text-primary); }
.page-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.92rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.page-body th {
    background: linear-gradient(135deg, #2563eb, #0891b2);
    color: #fff;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
}
.page-body td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.page-body tr:last-child td { border-bottom: none; }
.page-body tr:nth-child(even) td { background: var(--bg-secondary); }
.page-body blockquote {
    border-left: 4px solid var(--accent-light);
    padding: 12px 20px;
    margin: 24px 0;
    background: var(--accent-glow);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-primary);
    font-style: italic;
}
.page-body code {
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--accent);
}

.page-nav {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.list-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.list-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 28px;
    transition: var(--transition);
}
.list-card:hover { background: var(--bg-card-hover); border-color: rgba(59,130,246,0.25); }
.list-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.list-card p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 12px; }
.list-card time { font-size: 0.82rem; color: var(--text-muted); }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-content { max-width: 100%; margin: 0 auto; }
    .hero-subtitle { max-width: 100%; }
    .hero-cta { justify-content: center; }
    .hero-trust { justify-content: center; }
    .hero-visual { height: 300px; }
    .visual-orb { width: 220px; height: 220px; }
    .orb-core { width: 100px; height: 100px; }
    .float-card { display: none; }
    
    .cap-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: repeat(2, 1fr); }
    
    .process-timeline { grid-template-columns: repeat(3, 1fr); gap: 32px 24px; }
    .process-step:nth-child(n+4) .step-line { display: none; }
    .step-content p { font-size: 0.82rem; }
    
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .mobile-toggle { display: flex; }
    
    .main-nav {
        position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
        background: var(--bg-card); flex-direction: column; padding: 100px 32px 32px;
        gap: 4px; transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--border-color);
    }
    
    .main-nav.open { right: 0; }
    .nav-link { padding: 12px 16px; font-size: 1rem; }
    
    section { padding: 64px 0; }
    
    .stats .container { grid-template-columns: repeat(2, 1fr); }
    .cap-grid { grid-template-columns: 1fr; }
    .case-grid { grid-template-columns: 1fr; }
    .list-grid { grid-template-columns: 1fr; }
    
    .process-timeline { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
    .step-line { display: none !important; }
    .process-step { padding: 0 4px; }
    .step-number { width: 40px; height: 40px; font-size: 0.9rem; margin: 0 auto 14px; }
    .step-content h3 { font-size: 0.92rem; }
    .step-content p { font-size: 0.78rem; line-height: 1.4; }
    
    .cta-card { padding: 48px 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    
    .hero-title { font-size: 2.2rem; }
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-visual { height: 220px; }
}

/* ========== Small viewport fixes ========== */
@media (max-width: 600px) {
    .process-timeline {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 20px 8px !important;
    }
    .case-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
    .case-card { padding: 20px 16px !important; }
    .case-card h3 { font-size: 1rem !important; }
    .case-card p { font-size: 0.82rem !important; }
    .step-content h3 { font-size: 0.85rem !important; }
    .step-content p { font-size: 0.72rem !important; }
    .step-number { width: 36px !important; height: 36px !important; font-size: 0.85rem !important; }
}

/* ========== Blog ========== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    align-items: stretch;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 18px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.blog-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(37,99,235,0.25);
    box-shadow: var(--shadow-glow);
}

.blog-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 14px;
    background: linear-gradient(135deg, #e0f2fe 0%, #dbeafe 100%);
    flex-shrink: 0;
}

.blog-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.blog-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-light);
    letter-spacing: 0.1em;
}

.blog-card time {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 8px;
}

.blog-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.blog-card h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.blog-card h3 a:hover { color: var(--accent-light); }

.blog-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.blog-more {
    display: inline-block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-light);
    text-decoration: none;
    transition: var(--transition);
    margin-top: auto;
}

.blog-more:hover { color: var(--accent-cyan); }

.blog-article time {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

@media (max-width: 1200px) {
    .blog-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .blog-grid { grid-template-columns: 1fr; }
}