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

:root {
    --primary: #00f0ff;
    --secondary: #ff00a0;
    --tertiary: #7000ff;
    --dark: #0a0a0f;
    --darker: #050508;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--darker);
    color: #fff;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 动态背景 */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(112, 0, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 0, 160, 0.05) 0%, transparent 70%),
        var(--darker);
}

/* 粒子画布 */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* 网格背景 */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 50px;
    background: rgba(5, 5, 8, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: 2px;
}

.logo::before {
    content: '◆';
    margin-right: 10px;
    -webkit-text-fill-color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* 主内容区 */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 20px 80px;
    position: relative;
}

/* 发光圆环装饰 */
.glow-ring {
    position: absolute;
    width: 600px;
    height: 600px;
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.glow-ring::before,
.glow-ring::after {
    content: '';
    position: absolute;
    border: 1px solid rgba(0, 240, 255, 0.05);
    border-radius: 50%;
}

.glow-ring::before {
    inset: 50px;
    animation: rotate 20s linear infinite reverse;
}

.glow-ring::after {
    inset: 100px;
    animation: rotate 15s linear infinite;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 25px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #00ff88;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 10px #00ff88; }
    50% { opacity: 0.5; box-shadow: 0 0 20px #00ff88; }
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(48px, 10vw, 96px);
    font-weight: 900;
    letter-spacing: 8px;
    margin-bottom: 20px;
    position: relative;
}

.hero-title .glitch {
    position: relative;
    background: linear-gradient(135deg, #fff 0%, var(--primary) 50%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .glitch::before,
.hero-title .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-title .glitch::before {
    animation: glitch-1 2s infinite linear alternate-reverse;
    clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
    color: var(--primary);
    -webkit-text-fill-color: var(--primary);
}

.hero-title .glitch::after {
    animation: glitch-2 3s infinite linear alternate-reverse;
    clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
    color: var(--secondary);
    -webkit-text-fill-color: var(--secondary);
}

@keyframes glitch-1 {
    0%, 90%, 100% { transform: translate(0); }
    20% { transform: translate(-3px, 3px); }
    40% { transform: translate(-3px, -3px); }
    60% { transform: translate(3px, 3px); }
    80% { transform: translate(3px, -3px); }
}

@keyframes glitch-2 {
    0%, 90%, 100% { transform: translate(0); }
    20% { transform: translate(3px, -3px); }
    40% { transform: translate(3px, 3px); }
    60% { transform: translate(-3px, -3px); }
    80% { transform: translate(-3px, 3px); }
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 4px;
    margin-bottom: 50px;
    max-width: 600px;
}

/* 密钥输入区域 */
.key-container {
    position: relative;
    width: 100%;
    max-width: 750px;
    margin-bottom: 60px;
}

.key-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.key-input {
    flex: 1;
    padding: 25px 30px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    color: #fff;
    font-size: 16px;
    font-family: 'Rajdhani', sans-serif;
    letter-spacing: 1px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.key-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
}

.key-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.submit-btn {
    width: auto;
    padding: 0 24px;
    height: 58px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    border: none;
    border-radius: 16px;
    color: #000;
    font-size: 22px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.submit-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 10px 40px rgba(0, 240, 255, 0.4);
}

/* 验证结果 */
.verify-result {
    margin-top: 16px;
    padding: 18px 24px;
    border-radius: 16px;
    font-size: 15px;
    letter-spacing: 1px;
    display: none;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(20px);
    animation: resultFadeIn 0.4s ease;
}

@keyframes resultFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.verify-result.show {
    display: flex;
}

.verify-result.success {
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.25);
    color: #00ff88;
}

.verify-result.fail {
    background: rgba(255, 50, 50, 0.08);
    border: 1px solid rgba(255, 50, 50, 0.25);
    color: #ff5555;
}

/* 输入框警告抖动 */
@keyframes inputShake {
    0%, 100% { transform: translateX(0); }
    10% { transform: translateX(-8px); }
    20% { transform: translateX(8px); }
    30% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    50% { transform: translateX(-4px); }
    60% { transform: translateX(4px); }
    70% { transform: translateX(-2px); }
    80% { transform: translateX(2px); }
}

.key-input.shake {
    animation: inputShake 0.6s ease;
    border-color: #ff5555 !important;
    box-shadow: 0 0 20px rgba(255, 50, 50, 0.4) !important;
}

/* 命令框 */
.command-box {
    margin-top: 16px;
    padding: 20px 24px;
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 16px;
    animation: resultFadeIn 0.4s ease;
}

.command-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.command-input-wrap {
    display: flex;
    gap: 12px;
}

.command-input {
    flex: 1;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 12px;
    color: var(--primary);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    letter-spacing: 0.5px;
}

.copy-btn {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    border: none;
    border-radius: 12px;
    color: #000;
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 240, 255, 0.4);
}

.copy-btn.copied {
    background: linear-gradient(135deg, #00ff88, #00cc6a);
}

.download-hint {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 240, 255, 0.15);
    text-align: center;
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.12), rgba(0, 180, 255, 0.12));
    border: 1px solid rgba(0, 240, 255, 0.35);
    border-radius: 12px;
    color: var(--primary);
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.download-link:hover {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.25), rgba(0, 200, 255, 0.25));
    box-shadow: 0 8px 30px rgba(0, 240, 255, 0.25);
    transform: translateY(-2px);
}

.or-divider {
    text-align: center;
    margin: 14px 0;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 2px;
    position: relative;
}

.or-divider::before,
.or-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.or-divider::before {
    left: calc(50% - 100px);
}

.or-divider::after {
    right: calc(50% - 100px);
}

.verify-result.loading {
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.25);
    color: var(--primary);
}

.verify-result .result-icon {
    font-size: 20px;
}

.download-btn {
    margin-left: auto;
    padding: 10px 28px;
    background: linear-gradient(135deg, #00ff88, #00cc6a);
    border: none;
    border-radius: 10px;
    color: #000;
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 1px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 255, 136, 0.4);
}

/* 已选标签展示 */
.selected-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
    min-height: 0;
    transition: all 0.3s ease;
}

.selected-tag {
    padding: 6px 14px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.25);
    border-radius: 20px;
    font-size: 12px;
    color: var(--primary);
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.selected-tag:hover {
    background: rgba(255, 0, 160, 0.15);
    border-color: rgba(255, 0, 160, 0.4);
    color: var(--secondary);
}

.selected-tag .tag-remove {
    font-size: 14px;
    opacity: 0.6;
}

/* 配置选项区域 - 固定显示 */
.config-section {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 16px;
    backdrop-filter: blur(20px);
}

.config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--glass-border);
}

.config-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.8);
}

.cache-hint {
    font-family: 'Rajdhani', sans-serif;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--secondary);
    margin-left: 12px;
    animation: hintPulse 2s ease-in-out infinite;
}

@keyframes hintPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.config-actions {
    display: flex;
    gap: 10px;
}

.quick-btn {
    padding: 6px 14px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(112, 0, 255, 0.15));
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 8px;
    color: var(--primary);
    font-family: 'Rajdhani', sans-serif;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-btn:hover {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.25), rgba(112, 0, 255, 0.25));
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.clear-btn {
    padding: 6px 14px;
    background: rgba(255, 0, 160, 0.1);
    border: 1px solid rgba(255, 0, 160, 0.25);
    border-radius: 8px;
    color: var(--secondary);
    font-family: 'Rajdhani', sans-serif;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-btn:hover {
    background: rgba(255, 0, 160, 0.2);
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 4px;
}

.config-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.config-item:hover {
    background: rgba(0, 240, 255, 0.06);
}

.config-item.selected {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.25);
}

/* 自定义单选框 */
.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    transition: all 0.2s ease;
}

.config-item.selected .radio-custom {
    border-color: var(--primary);
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
}

.config-item.selected .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--primary);
}

.config-item-label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.config-item-key {
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    min-width: 20px;
}

.config-item-name {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.5px;
}

.config-item.selected .config-item-name {
    color: #fff;
}

/* 高级设置区域 */
.advanced-section {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 20px;
    margin-top: 16px;
    backdrop-filter: blur(20px);
}

.advanced-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--glass-border);
}

.advanced-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.8);
}

.advanced-row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.switch-item {
    flex: 1;
    min-width: 200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
}

.switch-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
}

/* 开关按钮样式 */
.switch-toggle {
    position: relative;
    width: 52px;
    height: 28px;
    cursor: pointer;
}

.switch-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 28px;
    transition: all 0.3s ease;
}

.switch-slider::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.switch-toggle input:checked + .switch-slider {
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

.switch-toggle input:checked + .switch-slider::before {
    transform: translateX(24px);
    background: #fff;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.switch-toggle input:focus + .switch-slider {
    box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.2);
}

/* 开关状态提示 */
.switch-status {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 6px;
    margin-left: 12px;
    transition: all 0.3s ease;
}

.switch-status.off {
    background: rgba(255, 100, 100, 0.15);
    color: rgba(255, 100, 100, 0.8);
    border: 1px solid rgba(255, 100, 100, 0.3);
}

.switch-status.on {
    background: rgba(0, 255, 136, 0.15);
    color: rgba(0, 255, 136, 0.9);
    border: 1px solid rgba(0, 255, 136, 0.3);
    animation: statusPulse 1s ease-in-out;
}

@keyframes statusPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); box-shadow: 0 0 15px rgba(0, 255, 136, 0.3); }
    100% { transform: scale(1); }
}

.switch-item-inner {
    display: flex;
    align-items: center;
}

/* 统计数据 */
.stats {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
    justify-content: center;
}

.stat-item {
    text-align: center;
    position: relative;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 5px;
}

/* 工具卡片区域 */
.tools-section {
    padding: 100px 50px;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 4px;
}

.section-subtitle {
    color: rgba(255, 255, 255, 0.5);
    font-size: 18px;
    letter-spacing: 2px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.tool-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(0, 240, 255, 0.1);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 25px;
    position: relative;
}

.tool-icon::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 22px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tool-card:hover .tool-icon::after {
    opacity: 0.5;
    animation: glowRotate 3s linear infinite;
}

@keyframes glowRotate {
    from { filter: hue-rotate(0deg); }
    to { filter: hue-rotate(360deg); }
}

.tool-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.tool-desc {
    color: rgba(255, 255, 255, 0.5);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 25px;
}

.tool-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tool-tag {
    padding: 6px 14px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 20px;
    font-size: 12px;
    color: var(--primary);
    letter-spacing: 1px;
}

/* 特性区域 */
.features-section {
    padding: 100px 50px;
    background: linear-gradient(180deg, transparent, rgba(0, 240, 255, 0.02), transparent);
}

.features-container {
    max-width: 1400px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 50px 30px;
    position: relative;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.feature-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 64px;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 240, 255, 0.3);
    margin-bottom: 20px;
}

.feature-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.feature-desc {
    color: rgba(255, 255, 255, 0.5);
    font-size: 15px;
    line-height: 1.8;
}

/* CTA区域 */
.cta-section {
    padding: 150px 50px;
    text-align: center;
    position: relative;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 60px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.cta-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--primary), transparent 30%);
    animation: rotate 10s linear infinite;
    opacity: 0.1;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.cta-subtitle {
    color: rgba(255, 255, 255, 0.6);
    font-size: 18px;
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 18px 45px;
    border-radius: 12px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    border: none;
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(0, 240, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: #fff;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(0, 240, 255, 0.1);
}

/* 页脚 */
.footer {
    padding: 60px 50px 30px;
    border-top: 1px solid var(--glass-border);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-copy {
    width: 100%;
    text-align: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 13px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--tertiary));
    border-radius: 4px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .tools-section,
    .features-section,
    .cta-section {
        padding: 60px 20px;
    }
    
    .stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .cta-container {
        padding: 50px 30px;
    }
    
    .cta-title {
        font-size: 28px;
    }
}

/* 扫描线效果 */
.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.1;
    animation: scanline 8s linear infinite;
    z-index: 9999;
    pointer-events: none;
}

@keyframes scanline {
    0% { transform: translateY(-100vh); }
    100% { transform: translateY(100vh); }
}

/* ========== Loading 动画样式 ========== */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--darker);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 30px;
}

#loading-screen.hidden {
    display: none;
}

#loading-screen.fade-out {
    animation: loadingFadeOut 0.6s ease forwards;
}

@keyframes loadingFadeOut {
    to { opacity: 0; transform: scale(1.05); }
}

#loading-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* 中心Logo区域 */
.loading-logo-area {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

/* 旋转光环 */
.loading-ring-outer {
    position: relative;
    width: 180px;
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid transparent;
}

.loading-ring-1 {
    border-top-color: var(--primary);
    border-right-color: rgba(0, 240, 255, 0.3);
    animation: ringRotate 2s linear infinite;
    filter: drop-shadow(0 0 8px var(--primary));
}

.loading-ring-2 {
    inset: 12px;
    border-bottom-color: var(--secondary);
    border-left-color: rgba(255, 0, 160, 0.3);
    animation: ringRotate 1.5s linear infinite reverse;
    filter: drop-shadow(0 0 8px var(--secondary));
}

.loading-ring-3 {
    inset: 24px;
    border-top-color: var(--tertiary);
    border-right-color: rgba(112, 0, 255, 0.3);
    animation: ringRotate 3s linear infinite;
    filter: drop-shadow(0 0 6px var(--tertiary));
}

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

/* 中心文字 */
.loading-center-text {
    position: relative;
    z-index: 10;
    font-family: 'Orbitron', sans-serif;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 6px;
    background: linear-gradient(135deg, var(--primary), #fff, var(--secondary));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShimmer 2s ease-in-out infinite, fadeInScale 0.6s ease forwards;
    opacity: 0;
    text-shadow: none;
}

@keyframes textShimmer {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* 副标题 */
.loading-subtitle {
    font-family: 'Rajdhani', sans-serif;
    font-size: 13px;
    letter-spacing: 6px;
    color: rgba(255, 255, 255, 0.35);
    text-transform: uppercase;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards 0.4s;
    z-index: 10;
}

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

/* 进度条区域 */
.loading-progress-area {
    position: relative;
    z-index: 10;
    width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards 0.6s;
}

/* 科技感进度条外壳 */
.loading-bar-shell {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 240, 255, 0.1);
}

.loading-bar-fill {
    height: 100%;
    width: 0%;
    border-radius: 6px;
    position: relative;
    background: linear-gradient(90deg, var(--primary), var(--tertiary), var(--secondary));
    box-shadow: 0 0 15px var(--primary), 0 0 30px rgba(0, 240, 255, 0.3);
    transition: width 0.1s linear;
}

/* 进度条扫光效果 */
.loading-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: barSweep 1.5s ease-in-out infinite;
}

@keyframes barSweep {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 进度条头部发光点 */
.loading-bar-fill::before {
    content: '';
    position: absolute;
    right: -2px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary), 0 0 20px var(--primary), 0 0 40px var(--secondary);
}

/* 进度信息行 */
.loading-progress-info {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.loading-progress-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 2px;
}

.loading-status-text {
    font-size: 12px;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.4);
}

/* 底部装饰线 */
.loading-deco-lines {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards 0.8s;
}

.loading-deco-line {
    width: 30px;
    height: 2px;
    border-radius: 2px;
    animation: decoPulse 1.5s ease-in-out infinite;
}

.loading-deco-line:nth-child(1) {
    background: var(--primary);
    animation-delay: 0s;
}

.loading-deco-line:nth-child(2) {
    background: var(--tertiary);
    animation-delay: 0.2s;
}

.loading-deco-line:nth-child(3) {
    background: var(--secondary);
    animation-delay: 0.4s;
}

@keyframes decoPulse {
    0%, 100% { opacity: 0.3; width: 30px; }
    50% { opacity: 1; width: 50px; }
}

.loading-scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.08;
    animation: scanline 3s linear infinite;
    z-index: 100;
    pointer-events: none;
}

/* ========== 更新日志样式 ========== */
.changelog-section {
    padding: 100px 50px;
    background: linear-gradient(180deg, transparent, rgba(0, 240, 255, 0.02), transparent);
}

.changelog-container {
    max-width: 1000px;
    margin: 0 auto;
}

.changelog-timeline {
    position: relative;
    padding-left: 30px;
}

.changelog-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--tertiary), transparent);
}

.changelog-item {
    position: relative;
    margin-bottom: 30px;
    padding: 25px 30px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.changelog-item:hover {
    transform: translateX(10px);
    border-color: rgba(0, 240, 255, 0.2);
}

.changelog-item.highlight {
    border-color: rgba(255, 0, 160, 0.3);
    background: rgba(255, 0, 160, 0.05);
}

.changelog-item.highlight:hover {
    border-color: rgba(255, 0, 160, 0.5);
    box-shadow: 0 10px 40px rgba(255, 0, 160, 0.1);
}

.changelog-marker {
    position: absolute;
    left: -36px;
    top: 30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 15px var(--primary);
}

.changelog-marker.major {
    background: var(--secondary);
    box-shadow: 0 0 15px var(--secondary);
    width: 16px;
    height: 16px;
    left: -38px;
}

.changelog-marker.feature {
    background: var(--primary);
    box-shadow: 0 0 15px var(--primary);
}

.changelog-marker.fix {
    background: #00ff88;
    box-shadow: 0 0 15px #00ff88;
}

.changelog-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.changelog-version {
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.changelog-type {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
}

.changelog-type.major {
    background: rgba(255, 0, 160, 0.2);
    color: var(--secondary);
}

.changelog-type.feature {
    background: rgba(0, 240, 255, 0.2);
    color: var(--primary);
}

.changelog-type.fix {
    background: rgba(0, 255, 136, 0.2);
    color: #00ff88;
}

.changelog-date {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-left: auto;
}

.changelog-highlight {
    font-size: 12px;
    color: var(--secondary);
    font-weight: 600;
}

.changelog-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.changelog-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.changelog-empty {
    text-align: center;
    padding: 60px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 16px;
}

@media (max-width: 768px) {
    .changelog-section {
        padding: 60px 20px;
    }
    
    .changelog-timeline {
        padding-left: 20px;
    }
    
    .changelog-marker {
        left: -26px;
    }
    
    .changelog-marker.major {
        left: -28px;
    }
    
    .changelog-item {
        padding: 20px;
    }
    
    .changelog-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .changelog-date {
        margin-left: 0;
    }
}

/* ========== 价格方案样式 ========== */
.pricing-section {
    padding: 100px 50px;
    max-width: 1400px;
    margin: 0 auto;
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    max-width: 320px;
    width: 100%;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 60px rgba(0, 240, 255, 0.1);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.15);
}

.pricing-card.featured::before {
    content: '推荐';
    position: absolute;
    top: 15px;
    right: -30px;
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    color: #000;
    padding: 5px 40px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    transform: rotate(45deg);
}

.pricing-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.pricing-desc {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    margin-bottom: 25px;
}

.pricing-price {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.pricing-price span {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.5);
}

.pricing-period {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
    margin-bottom: 30px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

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

.pricing-btn {
    display: block;
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    border: none;
    border-radius: 12px;
    color: #000;
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.pricing-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.4);
}

.pricing-card.featured .pricing-btn {
    background: linear-gradient(135deg, var(--secondary), var(--tertiary));
}

/* 对比表格 */
.compare-section {
    padding: 80px 0 0;
    max-width: 1200px;
    margin: 0 auto;
}

.compare-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    letter-spacing: 2px;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
}

.compare-table th,
.compare-table td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
}

.compare-table th {
    background: rgba(0, 240, 255, 0.1);
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    letter-spacing: 1px;
}

.compare-table td:first-child {
    text-align: left;
    font-weight: 500;
}

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

.check-yes {
    color: #00ff88;
    font-size: 20px;
}

.check-no {
    color: rgba(255, 100, 100, 0.8);
    font-size: 20px;
}

@media (max-width: 768px) {
    .pricing-section {
        padding: 60px 20px;
    }

    .compare-section {
        padding: 40px 0 0;
    }

    .compare-table {
        font-size: 12px;
    }

    .compare-table th,
    .compare-table td {
        padding: 12px 8px;
    }
}

/* 更新日志展开按钮 */
.changelog-expand {
    text-align: center;
    margin-top: 30px;
}

.changelog-expand-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    color: var(--primary);
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.changelog-expand-btn:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.changelog-expand-btn.expanded .expand-icon {
    transform: rotate(180deg);
}

.expand-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.changelog-item.hidden-item {
    display: none;
}

.changelog-item.hidden-item.show {
    display: block;
    animation: fadeInUp 0.4s ease;
}

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