/* ===================================
   aa扑克 / WPK德州 - 主样式表
   =================================== */

/* Custom Properties */
:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #6366f1;
    --secondary: #0f172a;
    --accent: #06b6d4;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

/* Base Reset */
* { 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", sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 16px 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 10px 0;
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

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

.navbar .logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #4f46e5, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-cta {
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600 !important;
    transition: all 0.3s !important;
    box-shadow: 0 4px 15px rgba(79,70,229,0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(79,70,229,0.4);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(79,70,229,0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #1e293b, #4f46e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--text-gray);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #fff;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(79,70,229,0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(79,70,229,0.45);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: var(--primary);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: 2px solid var(--primary);
    transition: all 0.3s;
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: #fff;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-badge i {
    font-size: 2rem;
    color: #10b981;
}

.hero-badge .badge-text {
    font-size: 0.85rem;
    color: var(--text-gray);
}

.hero-badge .badge-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* Section Common */
section {
    padding: 90px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header .section-tag {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(79,70,229,0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

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

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 36px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4f46e5, #06b6d4);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: rgba(79,70,229,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Stats */
.stats {
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #fff;
    padding: 70px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.3s;
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.testimonial-card .quote-icon {
    font-size: 2.5rem;
    color: rgba(79,70,229,0.2);
    position: absolute;
    top: 16px;
    right: 24px;
}

.testimonial-card .stars {
    color: #f59e0b;
    margin-bottom: 12px;
}

.testimonial-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.testimonial-author .avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4f46e5, #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-author .author-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.testimonial-author .author-info span {
    font-size: 0.8rem;
    color: var(--text-gray);
}

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

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

.faq-item {
    background: #fff;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.faq-item.active {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    user-select: none;
}

.faq-question i {
    transition: transform 0.3s;
    color: var(--primary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--text-gray);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px;
    max-height: 300px;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, #1e293b, #312e81);
    color: #fff;
    text-align: center;
    padding: 90px 0;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta p {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background: #0f172a;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

.footer-col p {
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-col ul {
    list-style: none;
}

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

.footer-col ul li a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #fff;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #6366f1, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: #64748b;
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    transition: all 0.3s;
    text-decoration: none;
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
}

/* About Page */
.about-hero {
    padding: 140px 0 60px;
}

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

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.value-item {
    text-align: center;
    padding: 20px 12px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.value-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.value-item h5 {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.value-item p {
    font-size: 0.8rem;
    color: var(--text-gray);
}

/* Contact Page */
.contact-section {
    padding: 140px 0 60px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
}

.contact-info-card {
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #fff;
    padding: 40px;
    border-radius: var(--radius-lg);
}

.contact-info-card h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-info-item i {
    font-size: 1.3rem;
    margin-top: 4px;
}

.contact-info-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-info-item p {
    font-size: 0.9rem;
    opacity: 0.85;
}

.contact-form-card {
    background: #fff;
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.contact-form-card h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(79,70,229,0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79,70,229,0.4);
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .about-content { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
    }
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-content { text-align: center; }
    .hero-buttons { justify-content: center; }
    .feature-card { text-align: center; }
    .feature-icon { margin: 0 auto 16px; }
    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-number { font-size: 2.2rem; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .section-header h2 { font-size: 2rem; }
    .cta h2 { font-size: 2rem; }
    .about-values { grid-template-columns: repeat(3, 1fr); }
    .hero-badge { position: relative; bottom: auto; left: auto; margin-top: 16px; }
}