:root {
    --primary-color: #2a2a2a;
    --accent-color: #00ff9d;
    --text-color: #e0e0e0;
}

.name {
    text-align: right;
    margin-top: 2rem;
}

body {
    background-color: var(--primary-color);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.8;
    font-family: 'Noto Sans SC', system-ui, sans-serif;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 20px;
}
a {
    position: relative;
    color: rgb(0, 189, 73) !important;
    text-decoration: none;
    padding: 5px 0;
    transition: all 0.3s ease;
}

a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: currentColor;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

a:hover {
    color: #00ff9d !important;
    transform: translateY(-2px);
}

a:hover::after {
    width: 100%;
    left: 0;
}



.floating-btn {
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid;
    backdrop-filter: blur(5px);
    color: #00ff9d;
    background-color: rgba(0, 158, 97, 0.192); 
    transform: scale(1); 
}

@keyframes buttonHoverEffect {
    0% {
        box-shadow: 0 0 0 rgba(0, 255, 157, 0);
    }
    100% {
        box-shadow: 0 2px 4px rgba(0, 255, 157, 0.996);
        transform: scale(1.05);
    }
}

.floating-btn:hover {
    animation: buttonHoverEffect 0.3s cubic-bezier(0.4, 0, 1, 1) forwards;
}

.article-header {
    text-align: center;
    margin-bottom: 3rem;
}

.article-title {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    animation: slideIn 0.6s ease-out;
}
article {
font-size: 1.1rem;
letter-spacing: 0.02em;
}

article p {
margin: 1.2em 0;
line-height: 1.7;
}

article strong {
color: var(--accent-color);
position: relative;
padding: 0 2px;
}

article em {
color: #a0a0a0;
font-style: italic;
}

article ul {
padding-left: 2em;
margin: 1.5rem 0;
list-style-type: "⇥";
}

article li {
margin: 0.8rem 0;
padding-left: 0.8em;
}

article code {
background: rgba(0, 255, 157, 0.12);
padding: 0.2em 0.4em;
border-radius: 3px;
font-family: 'Fira Code', monospace;
}

del {
    color: var(--accent-color);
    text-decoration: line-through;
    text-decoration-thickness: 2px;
    text-decoration-color: rgba(0, 255, 157, 0.5);
    position: relative;
}


hr {
border: 0;
height: 1px;
background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(0, 255, 157, 0.3) 50%, 
    transparent 100%);
margin: 2.5rem 0;
}

.ip-address {
font-family: monospace;
color: #00ff9d;
text-shadow: 0 0 8px rgba(0, 255, 157, 0.2);
}

.comment {
color: #6c757d;
font-size: 0.9em;
}

@media (max-width: 768px) {
.container {
    padding: 1.5rem 15px;
}

article {
    font-size: 1rem;
}

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

.quote {
    color: #00ff9d;
    border-left: 3px solid;
    padding-left: 1rem;
    margin: 1.5rem 0;
}

.chart-placeholder {
    background: rgba(0,255,157,0.05);
    border: 2px dashed var(--accent-color);
    border-radius: 8px;
    margin: 1rem 0;
    padding: 10px; 
    display: inline-block; 
    max-width: 100%; 
}

.chart-placeholder img {
    display: block;
    max-width: 100%; 
    height: auto; 
    border-radius: 4px; 
    margin: 0 auto; 
}


@media screen and (max-width: 768px) {
    .chart-placeholder img {
        padding: 10px;
        border-radius: 6px;
    }
}

.highlight {
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 0 8px rgba(0,255,157,0.2);
}

.warning-box {
    background: rgba(255, 71, 71, 0.1) !important;
    border: 1px solid #ff4747;
}

.plan-list li {
    background: rgba(255,255,255,0.03);
    padding: 1rem;
    border-radius: 6px;
    margin: 1rem 0;
}

.disclaimer-list {
    list-style-type: '⚠️';
    padding-left: 2rem;
}


.meta-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.content-section {
    opacity: 0;
    transform: translateY(30px);
    animation: sectionAppear 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    transition: all 0.4s ease;
    margin: 2.5rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    will-change: transform, opacity;
}

.fixed-buttons {
    top: 10px;
    padding: 10px 0;
    background: rgba(42, 42, 42, 0);
    backdrop-filter: blur(0px);
    transition: all 0.3s ease;
    /* 新增居中样式 */
    display: flex;
    justify-content: center;
    width: 100%;
    position:sti;
    left: 0;
    backdrop-filter: blur(12px);
}

.fixed-buttons.scrolled {
    background: rgba(42, 42, 42, 0.7);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    padding: 12px 0;
    border-radius: 25px;
    width: fit-content;
    margin: 0 auto;
    /* 保持居中定位 */
    left: 50%;
    transform: translateX(-50%);
}

.back-btn {
    color: #00ff9d;
    border-color: #00ff9d;
    background: rgba(0, 255, 157, 0.1);
}

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

.content-section:nth-child(1) { animation-delay: 0.2s; }
.content-section:nth-child(2) { animation-delay: 0.4s; }
.content-section:nth-child(3) { animation-delay: 0.6s; }

.content-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 255, 157, 0.05);
    background: rgba(0, 255, 157, 0.089);
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.tech-item {
    background: rgba(0, 255, 157, 0.1);
    padding: 0.8rem;
    border-radius: 4px;
    text-align: center;
    transition: transform 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-3px);
}

.sr-only {
    color: rgba(166, 255, 221, 0.693);
}
.comparison-table {
    width: 90%;
    max-width: 1000px;
    border-collapse: collapse;
    margin: 2rem auto;
    margin: 2rem auto;
    font-size: 1.2rem; 
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
    background-color: rgba(0, 141, 87, 0.062);
}

.comparison-table th {
    padding: 15px 20px;
    background-color: rgba(0, 255, 157, 0.1);
    color: var(--accent-color);
    padding: 15px 20px;
    text-align: middle;
    border-bottom: 1px solid rgba(224, 224, 224, 0.1);
    transition: all 0.3s ease;
}

.comparison-table td {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(224, 224, 224, 0.1);
    transition: all 0.2s ease;
}

.comparison-table tr:hover {
    background-color: rgba(0, 255, 157, 0.08);
}

.comparison-table tr:hover td {
    transform: translateX(5px);
}

.comparison-table .feature {
    font-weight: bold;
    color: var(--accent-color);
    font-size: 1.15rem;
}

.comparison-table .yes {
    color: var(--accent-color);
    position: relative;
}

.comparison-table .yes::after {
    content: '✓';
    margin-left: 5px;
}

.comparison-table .no {
    color: #ff5555;
    position: relative;
}

.comparison-table .no::after {
    content: '✗';
    margin-left: 5px;
}

.comparison-table .highlight {
    background-color: rgba(0, 255, 157, 0.15);
    animation: pulseHighlight 2s infinite;
}

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

@keyframes pulseHighlight {
    0% { background-color: rgba(0, 255, 157, 0.15); }
    50% { background-color: rgba(0, 255, 157, 0.25); }
    100% { background-color: rgba(0, 255, 157, 0.15); }
}

@media (max-width: 768px) {
    .comparison-table {
        width: 95%;
        font-size: 1rem;
        display: block;
        overflow-x: auto;
    }
    
    .comparison-table .feature {
        font-size: 1.05rem;
    }
}

/* 复用主站动画 */
@keyframes slideIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}