/* ========================================
   易欧交易所 - 全局样式表
   ======================================== */

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

/* CSS Variables */
:root {
    --primary-color: #00d26a;
    --primary-dark: #00a855;
    --primary-light: #33e088;
    --secondary-color: #1e3a5f;
    --accent-color: #f5a623;
    --danger-color: #ff4757;
    --success-color: #2ed573;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a68;
    --text-muted: #8888a0;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0d1b2a;
    --bg-gradient: linear-gradient(135deg, #0d1b2a 0%, #1b263b 50%, #003d29 100%);
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --max-width: 1200px;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.8;
    font-weight: 400;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

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

/* ========================================
   Header & Navigation
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bg-dark);
    text-decoration: none;
}

.brand-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
}

.brand-text {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background: rgba(0, 210, 106, 0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 210, 106, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 210, 106, 0.5);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
}

.btn-ghost:hover {
    color: var(--primary-color);
    background: rgba(0, 210, 106, 0.1);
}

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

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    background: var(--bg-gradient);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 210, 106, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(30, 58, 95, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 60% 80%, rgba(245, 166, 35, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-particles span {
    position: absolute;
    display: block;
    width: 4px;
    height: 4px;
    background: rgba(0, 210, 106, 0.4);
    border-radius: 50%;
    animation: float-up linear infinite;
}

@keyframes float-up {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: scale(1);
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-10vh) scale(0.5);
        opacity: 0;
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
    padding: 80px 0;
}

.hero-text {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 210, 106, 0.2);
    border: 1px solid rgba(0, 210, 106, 0.4);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--primary-light);
    margin-bottom: 24px;
    animation: fadeInDown 0.8s ease-out;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-actions .btn-primary {
    padding: 16px 36px;
    font-size: 1rem;
}

.hero-actions .btn-outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

.hero-actions .btn-outline:hover {
    background: white;
    color: var(--bg-dark);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero-stat {
    text-align: left;
}

.hero-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.hero-stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.hero-visual {
    position: relative;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.hero-image {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.hero-floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: var(--card-shadow-hover);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 6s ease-in-out infinite;
}

.hero-floating-card.card-1 {
    top: -20px;
    left: -40px;
    animation-delay: 0s;
}

.hero-floating-card.card-2 {
    bottom: 30px;
    right: -30px;
    animation-delay: -3s;
}

.hero-floating-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.hero-floating-icon.green { background: rgba(0, 210, 106, 0.15); color: var(--primary-color); }
.hero-floating-icon.blue { background: rgba(30, 58, 95, 0.15); color: var(--secondary-color); }

.hero-floating-text strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.hero-floating-text span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ========================================
   Section Common Styles
   ======================================== */
.section {
    padding: 100px 0;
}

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 210, 106, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 24px;
    background: linear-gradient(135deg, rgba(0, 210, 106, 0.1), rgba(0, 210, 106, 0.05));
    color: var(--primary-color);
}

.feature-card:nth-child(2) .feature-icon { background: linear-gradient(135deg, rgba(30, 58, 95, 0.1), rgba(30, 58, 95, 0.05)); color: var(--secondary-color); }
.feature-card:nth-child(3) .feature-icon { background: linear-gradient(135deg, rgba(245, 166, 35, 0.1), rgba(245, 166, 35, 0.05)); color: var(--accent-color); }
.feature-card:nth-child(4) .feature-icon { background: linear-gradient(135deg, rgba(46, 213, 115, 0.1), rgba(46, 213, 115, 0.05)); color: var(--success-color); }
.feature-card:nth-child(5) .feature-icon { background: linear-gradient(135deg, rgba(255, 71, 87, 0.1), rgba(255, 71, 87, 0.05)); color: var(--danger-color); }
.feature-card:nth-child(6) .feature-icon { background: linear-gradient(135deg, rgba(0, 210, 106, 0.1), rgba(0, 210, 106, 0.05)); color: var(--primary-color); }

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   Services Section
   ======================================== */
.services {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

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

.service-item.reverse {
    direction: rtl;
}

.service-item.reverse > * {
    direction: ltr;
}

.service-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.service-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.service-list {
    list-style: none;
    margin-bottom: 24px;
}

.service-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-list li::before {
    content: '✓';
    width: 24px;
    height: 24px;
    background: rgba(0, 210, 106, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ========================================
   Markets Ticker
   ======================================== */
.markets {
    background: var(--bg-dark);
    padding: 60px 0;
}

.markets-header {
    text-align: center;
    margin-bottom: 40px;
}

.markets-header h2 {
    color: white;
    font-size: 2rem;
    font-weight: 700;
}

.markets-table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.markets-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.markets-table th,
.markets-table td {
    padding: 16px 20px;
    text-align: left;
}

.markets-table th {
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.markets-table td {
    color: white;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.market-coin {
    display: flex;
    align-items: center;
    gap: 12px;
}

.market-coin-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 0.85rem;
}

.coin-btc { background: linear-gradient(135deg, #f7931a, #e68209); }
.coin-eth { background: linear-gradient(135deg, #627eea, #4a6bdb); }
.coin-usdt { background: linear-gradient(135deg, #26a17b, #1e8a68); }
.coin-sol { background: linear-gradient(135deg, #9945ff, #7b35d4); }
.coin-bnb { background: linear-gradient(135deg, #f3ba2f, #d49f1e); }
.coin-xrp { background: linear-gradient(135deg, #23292f, #00aae4); }
.coin-doge { background: linear-gradient(135deg, #c2a633, #a88f25); }
.coin-ada { background: linear-gradient(135deg, #0033ad, #00227a); }

.coin-name {
    font-weight: 600;
}

.coin-symbol {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.price-up { color: var(--success-color); font-weight: 600; }
.price-down { color: var(--danger-color); font-weight: 600; }

/* ========================================
   CTA Section
   ======================================== */
.cta {
    background: var(--bg-gradient);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(0, 210, 106, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
}

.cta-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-form input {
    flex: 1;
    min-width: 200px;
    padding: 16px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.cta-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.cta-form input:focus {
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
}

.cta-form .btn-primary {
    padding: 16px 32px;
}

/* ========================================
   Stats Section
   ======================================== */
.stats {
    background: white;
    padding: 80px 0;
}

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

.stat-card {
    text-align: center;
    padding: 32px 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

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

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

.faq-item {
    background: white;
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 24px 28px;
    background: none;
    border: none;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
    transition: var(--transition);
}

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

.faq-question-icon {
    width: 28px;
    height: 28px;
    background: rgba(0, 210, 106, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-question-icon {
    transform: rotate(45deg);
    background: var(--primary-color);
    color: white;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer-inner {
    padding: 0 28px 24px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* ========================================
   Download App Section
   ======================================== */
.download {
    background: white;
}

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

.download-info h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.download-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 32px;
    line-height: 1.8;
}

.download-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--bg-dark);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
    color: white;
}

.download-btn-icon {
    font-size: 2rem;
}

.download-btn-text small {
    display: block;
    font-size: 0.75rem;
    opacity: 0.7;
}

.download-btn-text strong {
    display: block;
    font-size: 1.1rem;
}

.download-qr {
    display: flex;
    gap: 32px;
    align-items: center;
}

.qr-code {
    width: 160px;
    height: 160px;
    background: #f0f0f0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.qr-code img {
    width: 100%;
    height: 100%;
}

.qr-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
    margin-top: 12px;
}

/* ========================================
   Page Header (Inner Pages)
   ======================================== */
.page-header {
    background: var(--bg-gradient);
    padding: 120px 0 80px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 30% 50%, rgba(0, 210, 106, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(245, 166, 35, 0.1) 0%, transparent 40%);
}

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

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    margin-top: 24px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
}

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

.breadcrumb span {
    margin: 0 10px;
    opacity: 0.5;
}

/* ========================================
   About Page
   ======================================== */
.about-intro {
    padding: 80px 0;
}

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

.about-text h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow-hover);
}

.values {
    background: var(--bg-secondary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.value-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.value-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 210, 106, 0.15), rgba(0, 210, 106, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
    color: var(--primary-color);
}

.value-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.timeline {
    background: white;
}

.timeline-wrapper {
    position: relative;
    padding-left: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-wrapper::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -31px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(0, 210, 106, 0.2);
}

.timeline-year {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.team {
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
}

.team-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.team-photo {
    aspect-ratio: 1;
    overflow: hidden;
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.team-card:hover .team-photo img {
    transform: scale(1.05);
}

.team-info {
    padding: 24px;
    text-align: center;
}

.team-info h3 {
    font-size: 1.15rem;
    margin-bottom: 4px;
}

.team-info .role {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.team-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ========================================
   Contact Page
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding: 80px 0;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 210, 106, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

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

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.contact-form-wrapper {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow-hover);
}

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

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e8e8f0;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    background: white;
}

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

.form-group.error input,
.form-group.error textarea {
    border-color: var(--danger-color);
}

.form-error {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-top: 6px;
    display: none;
}

.form-group.error .form-error {
    display: block;
}

.map-section {
    background: var(--bg-secondary);
}

.map-wrapper {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

/* ========================================
   News Section
   ======================================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
    padding: 80px 0;
}

.news-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.news-card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-card-image img {
    transform: scale(1.05);
}

.news-card-content {
    padding: 28px;
}

.news-card-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.news-card-meta .tag {
    color: var(--primary-color);
    font-weight: 600;
}

.news-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.5;
    transition: var(--transition);
}

.news-card:hover h3 {
    color: var(--primary-color);
}

.news-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.read-more::after {
    content: '→';
    transition: var(--transition);
}

.read-more:hover::after {
    transform: translateX(5px);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 80px;
}

.pagination a,
.pagination span {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: white;
    color: var(--text-primary);
    font-weight: 600;
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--primary-color);
    color: white;
}

.pagination .active {
    background: var(--primary-color);
    color: white;
}

/* News Detail */
.news-detail {
    padding: 60px 0 100px;
}

.news-detail-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail-header {
    margin-bottom: 40px;
}

.news-detail-header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 16px;
}

.news-detail-meta {
    display: flex;
    gap: 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding-bottom: 24px;
    border-bottom: 1px solid #e8e8f0;
}

.news-detail-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 40px;
}

.news-detail-body {
    font-size: 1.05rem;
    line-height: 2;
    color: var(--text-secondary);
}

.news-detail-body p {
    margin-bottom: 20px;
}

.news-detail-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--text-primary);
}

.news-detail-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 28px 0 12px;
    color: var(--text-primary);
}

.news-detail-body ul,
.news-detail-body ol {
    margin-bottom: 20px;
    padding-left: 24px;
}

.news-detail-body li {
    margin-bottom: 8px;
}

.news-detail-footer {
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid #e8e8f0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.news-detail-footer a {
    color: var(--text-secondary);
    font-weight: 500;
}

.news-detail-footer a:hover {
    color: var(--primary-color);
}

/* ========================================
   Products Page
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    padding: 80px 0;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px 32px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

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

.product-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, white 0%, rgba(0, 210, 106, 0.03) 100%);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(0, 210, 106, 0.1), rgba(0, 210, 106, 0.05));
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 24px;
}

.product-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-card > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-features {
    list-style: none;
    margin-bottom: 24px;
}

.product-features li {
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: 700;
}

.product-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.product-price-note {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.product-card .btn {
    width: 100%;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand .brand {
    color: white;
    margin-bottom: 16px;
}

.footer-brand .brand .brand-text {
    -webkit-text-fill-color: white;
}

.footer-brand p {
    line-height: 1.8;
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-column h4 {
    color: white;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-column ul a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    transition: var(--transition);
}

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

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 210, 106, 0.4);
    border: none;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 210, 106, 0.5);
}

/* ========================================
   Reveal Animation
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 60px 0;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .service-item {
        grid-template-columns: 1fr;
    }

    .service-item.reverse {
        direction: ltr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 32px;
    }

    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .download-buttons,
    .download-qr {
        justify-content: center;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        display: block;
        padding: 14px 20px;
    }

    .nav-actions .btn-ghost {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: 100px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat-number {
        font-size: 1.5rem;
    }

    .hero-floating-card.card-1 {
        left: 0;
    }

    .hero-floating-card.card-2 {
        right: 0;
    }

    .section {
        padding: 70px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .cta h2 {
        font-size: 2rem;
    }

    .cta-form {
        flex-direction: column;
    }

    .cta-form input,
    .cta-form .btn-primary {
        width: 100%;
    }

    .page-header {
        padding: 100px 0 60px;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .news-detail-header h1 {
        font-size: 1.6rem;
    }

    .download-info h2 {
        font-size: 2rem;
    }

    .qr-code {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .site-header,
    .site-footer,
    .cta,
    .back-to-top {
        display: none;
    }

    body {
        background: white;
    }

    a {
        text-decoration: underline;
    }
}

/* ========================================
   Accessibility
   ======================================== */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}