/* ============================================
   欧E交易所 - 全局样式表
   配色方案：深色金融风格（深蓝黑底 + 金色/青绿强调）
   ============================================ */

/* ---------- CSS 变量 ---------- */
:root {
    --color-bg-primary: #0a0e1a;
    --color-bg-secondary: #111827;
    --color-bg-card: #1a2236;
    --color-bg-card-hover: #243049;
    --color-bg-gradient-start: #0d1b2a;
    --color-bg-gradient-end: #1b263b;

    --color-accent-primary: #f7b500;
    --color-accent-primary-hover: #ffc933;
    --color-accent-secondary: #00d4aa;
    --color-accent-secondary-hover: #22e4c1;
    --color-accent-danger: #ff4757;
    --color-accent-info: #3b82f6;

    --color-text-primary: #ffffff;
    --color-text-secondary: #c4cdd5;
    --color-text-muted: #7a8a9d;
    --color-text-gold: #f7b500;

    --color-border: #2a3a52;
    --color-border-light: #374a66;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow-gold: 0 0 30px rgba(247, 181, 0, 0.3);
    --shadow-glow-green: 0 0 30px rgba(0, 212, 170, 0.3);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --container-max: 1280px;
    --header-height: 72px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
    color: var(--color-text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }

p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Header & Nav ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 14, 26, 0.98);
    box-shadow: var(--shadow-md);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-text-primary);
    letter-spacing: 0.5px;
}

.nav-brand .brand-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-accent-primary), #ff8c00);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow-gold);
}

.nav-brand:hover {
    color: var(--color-accent-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu a {
    padding: 8px 18px;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-text-primary);
    background: rgba(247, 181, 0, 0.1);
}

.nav-menu a.active {
    color: var(--color-accent-primary);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
    line-height: 1.4;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 14px 36px;
    font-size: 1.05rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-primary), #ff8c00);
    color: var(--color-bg-primary);
    border-color: transparent;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-accent-primary-hover), #ffa500);
    color: var(--color-bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-gold);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border-light);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

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

.btn-ghost:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    padding: calc(var(--header-height) + 80px) 0 100px;
    background: linear-gradient(180deg, var(--color-bg-gradient-start) 0%, var(--color-bg-gradient-end) 50%, var(--color-bg-primary) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(247, 181, 0, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

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

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(247, 181, 0, 0.1);
    border: 1px solid rgba(247, 181, 0, 0.3);
    border-radius: 50px;
    color: var(--color-accent-primary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero h1 {
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    font-weight: 800;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #f7b500 50%, #ffffff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: shine 4s linear infinite;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: 36px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 480px;
}

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

.hero-stat-value {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 800;
    color: var(--color-accent-primary);
    margin-bottom: 4px;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease;
}

.hero-visual-card {
    background: linear-gradient(145deg, rgba(26, 34, 54, 0.9), rgba(17, 24, 39, 0.9));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 28px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.hero-visual-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, rgba(247, 181, 0, 0.5), transparent 50%, rgba(0, 212, 170, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.trading-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.trading-card-title {
    font-weight: 700;
    color: var(--color-text-primary);
}

.trading-badge-up {
    padding: 4px 12px;
    background: rgba(0, 212, 170, 0.15);
    color: var(--color-accent-secondary);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.trading-pair {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.trading-pair:last-child {
    border-bottom: none;
}

.pair-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pair-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
    color: white;
}

.pair-icon.btc { background: linear-gradient(135deg, #f7931a, #e7820a); }
.pair-icon.eth { background: linear-gradient(135deg, #627eea, #4a68d4); }
.pair-icon.sol { background: linear-gradient(135deg, #9945ff, #14f195); }
.pair-icon.bnb { background: linear-gradient(135deg, #f3ba2f, #d9a511); }

.pair-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.pair-sub {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.pair-price {
    text-align: right;
}

.pair-price-value {
    font-weight: 700;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}

.pair-change {
    font-size: 0.85rem;
    font-weight: 600;
}

.pair-change.up { color: var(--color-accent-secondary); }
.pair-change.down { color: var(--color-accent-danger); }

/* ---------- Section Common ---------- */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(247, 181, 0, 0.1);
    color: var(--color-accent-primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.05rem;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

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

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

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(247, 181, 0, 0.2), rgba(0, 212, 170, 0.15));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 1.75rem;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.feature-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ---------- Services Section ---------- */
.services {
    background: var(--color-bg-primary);
}

.services-wrapper {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

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

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

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

.service-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.service-content p {
    font-size: 1.05rem;
    margin-bottom: 28px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.service-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--color-text-secondary);
}

.service-list li .check {
    width: 24px;
    height: 24px;
    background: rgba(0, 212, 170, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.service-list li .check svg {
    width: 14px;
    height: 14px;
    fill: var(--color-accent-secondary);
}

.service-image {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-image-placeholder {
    font-size: 4rem;
    opacity: 0.6;
}

/* ---------- Security Section ---------- */
.security {
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.security-item {
    text-align: center;
    padding: 40px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.security-item:hover {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow-gold);
}

.security-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.security-item h4 {
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

.security-item p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ---------- Coins / Markets Section ---------- */
.coins {
    background: var(--color-bg-secondary);
}

.coins-table-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.coins-table {
    width: 100%;
    border-collapse: collapse;
}

.coins-table thead {
    background: rgba(255, 255, 255, 0.03);
}

.coins-table th {
    padding: 16px 20px;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--color-border);
}

.coins-table td {
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.coins-table tbody tr {
    transition: background var(--transition-fast);
}

.coins-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

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

.coin-cell {
    display: flex;
    align-items: center;
    gap: 14px;
}

.coin-logo {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    color: white;
    flex-shrink: 0;
}

.coin-name-wrap .coin-symbol {
    font-weight: 700;
    color: var(--color-text-primary);
}

.coin-name-wrap .coin-fullname {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.text-up {
    color: var(--color-accent-secondary);
    font-weight: 600;
}

.text-down {
    color: var(--color-accent-danger);
    font-weight: 600;
}

/* ---------- CTA Section ---------- */
.cta {
    background: linear-gradient(135deg, #1a1f2e 0%, #2a1f1a 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(247, 181, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.cta h2 {
    margin-bottom: 20px;
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 36px;
}

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

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

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

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item.open {
    border-color: var(--color-accent-primary);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    text-align: left;
    background: transparent;
    color: var(--color-text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    gap: 16px;
}

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

.faq-toggle {
    width: 28px;
    height: 28px;
    background: rgba(247, 181, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}

.faq-toggle span {
    display: block;
    width: 14px;
    height: 2px;
    background: var(--color-accent-primary);
    border-radius: 2px;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

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

.faq-answer-inner p {
    margin-bottom: 0;
}

/* ---------- Page Banner (Sub-pages) ---------- */
.page-banner {
    padding: calc(var(--header-height) + 80px) 0 60px;
    background: linear-gradient(180deg, var(--color-bg-gradient-start) 0%, var(--color-bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(247, 181, 0, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.page-banner h1 {
    font-size: clamp(1.75rem, 4vw, 3rem);
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ffffff 0%, #f7b500 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-banner p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
    padding: 16px 0;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb ol {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.breadcrumb ol li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
}

.breadcrumb ol li a {
    color: var(--color-text-secondary);
}

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

.breadcrumb ol li:not(:last-child)::after {
    content: '/';
    color: var(--color-border-light);
}

/* ---------- News List Page ---------- */
.news-list {
    background: var(--color-bg-primary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.news-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-md);
}

.news-card-cover {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-bg-secondary);
}

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

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

.news-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.news-card-tag {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(247, 181, 0, 0.1);
    color: var(--color-accent-primary);
    border-radius: 4px;
    font-weight: 500;
}

.news-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    line-height: 1.5;
    transition: color var(--transition-fast);
}

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

.news-card-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-more {
    font-size: 0.85rem;
    color: var(--color-accent-primary);
    font-weight: 600;
}

.news-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.pagination-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.pagination-btn:hover,
.pagination-btn.active {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-accent-primary);
}

/* ---------- News Detail Page ---------- */
.news-detail {
    background: var(--color-bg-primary);
}

.news-detail-wrapper {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.news-detail-article {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.news-detail-cover {
    aspect-ratio: 16/8;
    overflow: hidden;
}

.news-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-detail-body {
    padding: 40px;
}

.news-detail-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.news-detail-body h1 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 24px;
    color: var(--color-text-primary);
}

.news-detail-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
}

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

.news-detail-content h2 {
    font-size: 1.4rem;
    margin: 36px 0 16px;
    color: var(--color-text-primary);
}

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

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

.news-detail-content ul li {
    list-style-type: disc;
    margin-bottom: 8px;
    color: var(--color-text-secondary);
}

.news-detail-content strong {
    color: var(--color-text-primary);
}

.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.sidebar-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
}

.sidebar-card h4 {
    font-size: 1.05rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-list a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    transition: color var(--transition-fast);
}

.sidebar-list a:hover {
    color: var(--color-accent-primary);
}

/* ---------- About Page ---------- */
.about-content {
    background: var(--color-bg-primary);
}

.about-section {
    margin-bottom: 80px;
}

.about-section:last-child {
    margin-bottom: 0;
}

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

.about-statistics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border);
}

.about-stat-item {
    text-align: center;
}

.about-stat-number {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--color-accent-primary);
    margin-bottom: 8px;
}

.about-stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
    margin-top: 40px;
}

.team-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    text-align: center;
    transition: all var(--transition-normal);
}

.team-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-4px);
}

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--color-bg-primary);
    font-weight: 700;
}

.team-card h4 {
    margin-bottom: 4px;
}

.team-role {
    font-size: 0.85rem;
    color: var(--color-accent-primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.team-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ---------- Contact Page ---------- */
.contact {
    background: var(--color-bg-primary);
}

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

.contact-info-wrap {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-info-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    gap: 20px;
    transition: all var(--transition-normal);
}

.contact-info-card:hover {
    border-color: var(--color-accent-primary);
}

.contact-info-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(247, 181, 0, 0.2), rgba(0, 212, 170, 0.15));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-info-card h4 {
    margin-bottom: 8px;
}

.contact-info-card p {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.contact-form-wrap {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-form-wrap h3 {
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(247, 181, 0, 0.15);
}

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

/* ---------- Footer ---------- */
.footer {
    background: #060912;
    border-top: 1px solid var(--color-border);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-brand .nav-brand {
    margin-bottom: 0;
}

.footer-brand p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.footer-socials a:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--color-accent-primary);
}

.footer-bottom {
    padding: 28px 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

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

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

.footer-legal a:hover {
    color: var(--color-accent-primary);
}

/* ---------- Back to Top ---------- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-accent-primary), #ff8c00);
    color: var(--color-bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
}

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

.back-to-top:hover {
    box-shadow: var(--shadow-glow-gold);
    color: var(--color-bg-primary);
}

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

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

@keyframes shine {
    to { background-position: 200% center; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-grid,
    .service-row,
    .about-section-grid,
    .contact-grid,
    .news-detail-wrapper {
        grid-template-columns: 1fr;
    }

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

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

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

    .news-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .container {
        padding: 0 20px;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(12px);
        padding: 16px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

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

    .nav-menu a {
        padding: 14px 18px;
        border-radius: var(--radius-sm);
    }

    .nav-toggle {
        display: flex;
    }

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

    .hero {
        padding: calc(var(--header-height) + 40px) 0 60px;
    }

    .hero-grid {
        gap: 40px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .service-content h3 {
        font-size: 1.5rem;
    }

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

    .footer {
        padding: 60px 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
        margin-bottom: 40px;
    }

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

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

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

    .coins-table-wrapper {
        overflow-x: auto;
    }

    .coins-table {
        min-width: 700px;
    }

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

    .contact-form-wrap {
        padding: 28px;
    }

    .about-statistics {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .about-statistics {
        grid-template-columns: 1fr 1fr;
    }

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

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

/* ---------- Print & Accessibility ---------- */
@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;
    }
}

/* ---------- Skip to Content ---------- */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 20px;
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-to-content:focus {
    top: 20px;
}

/* ---------- Selection ---------- */
::selection {
    background: rgba(247, 181, 0, 0.3);
    color: #fff;
}