/* ==================== 全局样式 ==================== */
:root {
    --primary: #f0b90b;
    --primary-dark: #d4a50a;
    --bg-dark: #0a0e17;
    --bg-card: #111827;
    --bg-card-hover: #1a2234;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border-color: #1f2937;
    --green: #10b981;
    --red: #ef4444;
    --shadow: 0 8px 32px rgba(0,0,0,0.3);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100%;
}

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

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

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
    color: inherit;
    transition: var(--transition);
}

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

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.95);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-logo .logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img-wrapper {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.logo-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.logo-badge {
    font-size: 0.7rem;
    background: var(--primary);
    color: var(--bg-dark);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    vertical-align: middle;
    margin-left: 4px;
}

.nav-menu {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 4px 0;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-selector select {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 14px;
    padding-right: 28px;
}

.lang-selector select:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

.lang-selector select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    background: transparent;
}

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

/* ==================== 按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
    box-shadow: 0 4px 14px rgba(240, 185, 11, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(240, 185, 11, 0.4);
}

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

.btn-outline:hover {
    background: rgba(240, 185, 11, 0.1);
    transform: translateY(-2px);
}

.btn-register {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 18px;
}

.btn-register:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-ico-nav {
    background: var(--primary);
    color: var(--bg-dark);
    padding: 8px 18px;
    box-shadow: 0 2px 8px rgba(240, 185, 11, 0.2);
}

.btn-ico-nav:hover {
    background: var(--primary-dark);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
    border-radius: 12px;
}

.btn-block {
    width: 100%;
    margin-top: 16px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
    border-radius: 6px;
}

.btn-buy {
    background: var(--green);
    color: white;
}

.btn-buy:hover {
    background: #0ca678;
}

.btn-sell {
    background: var(--red);
    color: white;
}

.btn-sell:hover {
    background: #dc2626;
}

/* ==================== Hero区域 ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(ellipse at 50% 30%, #1a1f35 0%, #0a0e17 70%);
    padding: 140px 24px 80px;
    overflow: hidden;
}

.hero-bg-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240, 185, 11, 0.1);
    border: 1px solid rgba(240, 185, 11, 0.3);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 24px;
    font-weight: 500;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.hero-title-accent {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-top: 8px;
    letter-spacing: 0;
}

.hero-slogan {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.hero-desc {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 32px;
    font-size: 1rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
    text-align: center;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.hero-backers {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

/* ==================== 交易面板 ==================== */
.markets-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

.trading-panel {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.trading-pairs {
    display: flex;
    background: #0d1420;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox隐藏滚动条 */
}

.trading-pairs::-webkit-scrollbar {
    display: none; /* Chrome/Safari隐藏滚动条 */
}

.pair-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: var(--transition);
    flex-shrink: 0;
}

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

.pair-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: rgba(240, 185, 11, 0.05);
}

.pair-name {
    font-size: 0.9rem;
}

.pair-fee-badge.free {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--green);
    color: white;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
}

.trading-main {
    padding: 20px;
}

.price-display {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.price-left {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

.current-price {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.price-change.positive {
    color: var(--green);
    font-weight: 600;
    font-size: 0.9rem;
}

.price-change.negative {
    color: var(--red);
}

.price-pair-name {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.price-right {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

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

.price-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
}

.price-stat-value {
    font-size: 0.9rem;
    font-weight: 600;
}

.chart-container {
    position: relative;
    width: 100%;
    height: auto;
    min-height: 200px;
    margin-bottom: 20px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #0a0f1a;
}

#priceChart {
    width: 100%;
    height: 280px; /* 默认高度，JS会动态调整 */
    display: block;
}

.chart-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 2;
}

.chart-watermark {
    font-size: 1.2rem;
    font-weight: 700;
    color: rgba(255,255,255,0.05);
    letter-spacing: 2px;
    white-space: nowrap;
}

.trading-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.fee-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.fee-label {
    color: var(--text-muted);
}

.fee-value {
    color: var(--green);
    font-weight: 700;
}

.ai-signal {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.ai-dot {
    width: 10px;
    height: 10px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-dot 1.5s infinite;
}

.trading-actions {
    display: flex;
    gap: 8px;
}

/* ==================== ICO区域 ==================== */
.ico-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #0a0e17 0%, #0d1117 100%);
}

.ico-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.ico-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.ico-card:hover {
    border-color: rgba(240, 185, 11, 0.3);
    transform: translateY(-2px);
}

.ico-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary);
}

.ico-detail-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.ico-detail-label {
    min-width: 80px;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding-top: 2px;
}

.ico-detail-value {
    flex: 1;
    font-size: 0.95rem;
    word-break: break-all;
}

.ico-detail-value strong {
    color: var(--primary);
}

.ico-detail-value.highlight {
    color: var(--green);
    font-weight: 600;
}

.address-box {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    background: #0a0f1a;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    min-width: 0;
}

.address-text {
    font-size: 0.85rem;
    word-break: break-all;
    font-family: monospace;
    color: var(--text-secondary);
    user-select: all;
    flex: 1;
}

.copy-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
    transition: var(--transition);
    flex-shrink: 0;
}

.copy-btn:hover {
    background: rgba(240, 185, 11, 0.15);
    color: var(--primary);
}

.ico-progress {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: #0a0f1a;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #f0b90b, #f5d742);
    border-radius: 10px;
    transition: width 0.6s ease;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.progress-info strong {
    color: var(--primary);
}

/* ICO 操作卡片 */
.participate-form {
    margin-top: 10px;
}

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

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

.amount-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #0a0f1a;
    padding: 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    max-width: 220px;
}

.amount-btn {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.amount-btn:hover {
    background: rgba(240, 185, 11, 0.2);
    color: var(--primary);
}

.amount-selector input {
    width: 60px;
    text-align: center;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    outline: none;
}

.amount-selector input::-webkit-outer-spin-button,
.amount-selector input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.amount-limit {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.form-summary {
    background: #0a0f1a;
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.summary-row strong {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.form-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* ==================== 优势区域 ==================== */
.advantages-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.advantage-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card:hover {
    border-color: rgba(240, 185, 11, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.advantage-card.featured {
    background: linear-gradient(145deg, #1a1f2e, #111827);
    border-color: rgba(240, 185, 11, 0.4);
}

.advantage-icon {
    margin-bottom: 16px;
}

.advantage-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.advantage-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.advantage-desc strong {
    color: var(--primary);
}

.advantage-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(240, 185, 11, 0.15);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.advantage-tag.green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--green);
}

.tech-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    padding-top: 20px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: var(--bg-card);
    padding: 10px 18px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
}

.tech-check {
    color: var(--green);
    font-weight: 700;
}

/* ==================== 页脚 ==================== */
.footer {
    background: #080c14;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--primary);
}

.footer-logo-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--primary);
}

.footer-brand-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-slogan {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 8px;
}

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

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-disclaimer {
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.7;
}

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

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 1.5rem;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-icon {
    margin-bottom: 16px;
}

.modal-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-text {
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.modal-subtext {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.modal-btn {
    min-width: 120px;
}

/* ==================== Toast提示 ==================== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 14px 24px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s ease;
    max-width: 90%;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-icon {
    color: var(--green);
    font-weight: 700;
    font-size: 1.1rem;
}

/* ==================== 响应式 ==================== */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 16px;
        gap: 10px;
    }

    .nav-logo .logo-text {
        font-size: 1.3rem;
    }

    .logo-img-wrapper {
        width: 34px;
        height: 34px;
    }

    .logo-img {
        width: 34px;
        height: 34px;
    }

    .logo-placeholder {
        width: 34px;
        height: 34px;
    }

    .lang-selector select {
        padding: 5px 24px 5px 8px;
        font-size: 0.8rem;
        max-width: 90px;
        background-size: 10px;
    }

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

    .btn-ico-nav {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        background: rgba(10, 14, 23, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        gap: 12px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-110%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .nav-menu.open {
        transform: translateY(0);
    }

    .nav-link {
        font-size: 0.9rem;
        padding: 8px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 16px 60px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-title-accent {
        font-size: 1.2rem;
    }

    .hero-slogan {
        font-size: 1.2rem;
    }

    .hero-desc {
        font-size: 0.9rem;
    }

    .hero-stats {
        gap: 12px;
    }

    .stat-value {
        font-size: 1.6rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .stat-divider {
        height: 30px;
    }

    .section-title {
        font-size: 2rem;
    }

    .trading-panel {
        border-radius: 12px;
    }

    .trading-pairs {
        padding: 4px 0;
    }

    .pair-tab {
        padding: 10px 14px;
        font-size: 0.8rem;
        gap: 5px;
    }

    .pair-fee-badge.free {
        width: 16px;
        height: 16px;
        font-size: 0.6rem;
    }

    .trading-main {
        padding: 14px;
    }

    .current-price {
        font-size: 1.5rem;
    }

    .price-change {
        font-size: 0.8rem;
    }

    .price-pair-name {
        font-size: 0.8rem;
    }

    .price-right {
        gap: 12px;
    }

    .price-stat-label {
        font-size: 0.65rem;
    }

    .price-stat-value {
        font-size: 0.8rem;
    }

    .chart-container {
        margin-bottom: 14px;
    }

    .trading-footer {
        gap: 8px;
        font-size: 0.8rem;
    }

    .btn-sm {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

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

    .ico-card {
        padding: 20px;
    }

    .ico-card-title {
        font-size: 1.2rem;
    }

    .ico-detail-row {
        flex-direction: column;
        gap: 4px;
    }

    .ico-detail-label {
        min-width: auto;
        font-size: 0.85rem;
    }

    .ico-detail-value {
        font-size: 0.85rem;
    }

    .address-box {
        padding: 8px 10px;
    }

    .address-text {
        font-size: 0.75rem;
    }

    .amount-selector {
        max-width: 100%;
    }

    .summary-row {
        font-size: 0.85rem;
    }

    .form-note {
        font-size: 0.75rem;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .advantage-card {
        padding: 18px;
    }

    .advantage-title {
        font-size: 1.1rem;
    }

    .advantage-desc {
        font-size: 0.8rem;
    }

    .tech-item {
        padding: 8px 14px;
        font-size: 0.8rem;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-grid {
        gap: 24px;
    }

    .footer-links h4 {
        font-size: 0.9rem;
    }

    .footer-links a {
        font-size: 0.8rem;
    }

    .footer-bottom {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

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

    .modal-content {
        padding: 30px 20px;
        width: 95%;
    }

    .modal-title {
        font-size: 1.3rem;
    }

    .toast {
        width: 90%;
        max-width: 350px;
        bottom: 20px;
        font-size: 0.8rem;
        padding: 12px 18px;
    }
}