:root {
    --primary-color: #00ffcc;
    --secondary-color: #0088ff;
    --accent-color-1: #ff00aa;
    --accent-color-2: #aa00ff;
    --accent-color-3: #ffcc00;
    --accent-color-4: #ff3300;
    --accent-color-5: #00eeff;
    --accent-blue: #3366ff;
    --accent-purple: #9933ff;
    --accent-pink: #ff66cc;
    --accent-teal: #00ccaa;
    --accent-green: #33ff99;
    --accent-yellow: #ffcc33;
    --text-color: #f8fafc;
    --background-color: #000000;
    --card-color: rgba(10, 30, 30, 0.5);
    --border-color: #00aa99;
    --highlight-color: #00ffaa;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glow-color: rgba(0, 255, 204, 0.5);
    --transition-speed: 0.3s;
    --font-primary: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Menlo', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    font-feature-settings: "ss01", "ss02", "ss03", "cv01", "cv02", "cv03", "cv04";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-synthesis: none;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 204, 0.05), transparent 70%);
}

/* 首页主容器 */
.home-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
    overflow: hidden;
    position: relative;
    z-index: 1;
    max-height: 100vh;
}

.home-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    background: radial-gradient(circle at center, rgba(139, 92, 246, 0.15), transparent 70%);
    z-index: -1;
}

/* 英雄区域 */
.hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 80vh;
    width: 100%;
    max-width: 1200px;
    padding: 3rem 2rem;
    position: relative;
    z-index: 4;
    isolation: isolate;
}

/* 标题样式 */
.title {
    font-size: 7rem;
    font-weight: 900;
    margin-bottom: 2rem;
    text-align: center;
    letter-spacing: 5px;
    position: relative;
    z-index: 3;
    color: #00ffcc;
    text-shadow: 
        0 0 10px rgba(0, 255, 204, 0.5),
        0 0 20px rgba(0, 238, 255, 0.3),
        0 0 30px rgba(0, 136, 255, 0.2),
        2px 2px 3px rgba(0, 0, 0, 0.6);
    animation: neon-cyan-pulse 4s ease-in-out infinite alternate;
}

.title::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: none;
    z-index: -1;
}

.title::after {
    content: "OPENMANUS";
    position: absolute;
    top: 1px;
    left: 1px;
    width: 100%;
    height: 100%;
    color: rgba(0, 255, 204, 0.15);
    z-index: -1;
    text-shadow: none;
    filter: blur(5px);
}

@keyframes neon-cyan-pulse {
    0% {
        text-shadow: 
            0 0 8px rgba(0, 255, 204, 0.5),
            0 0 15px rgba(0, 238, 255, 0.3),
            0 0 20px rgba(0, 136, 255, 0.2),
            2px 2px 3px rgba(0, 0, 0, 0.6);
    }
    100% {
        text-shadow: 
            0 0 10px rgba(0, 255, 204, 0.6),
            0 0 18px rgba(0, 238, 255, 0.4),
            0 0 25px rgba(0, 136, 255, 0.3),
            2px 2px 3px rgba(0, 0, 0, 0.6);
    }
}

/* 副标题 */
.subtitle {
    font-size: 2.2rem;
    font-weight: 500;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    background: linear-gradient(90deg, #ff3399, #9933ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    letter-spacing: 2px;
    opacity: 1;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    backface-visibility: hidden;
    z-index: 5;
    isolation: isolate;
    filter: drop-shadow(0 0 8px rgba(255, 51, 153, 0.3));
    will-change: transform;
    pointer-events: none;
}

/* 描述文本 */
.description {
    font-size: 1.5rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    text-align: center;
    max-width: 900px;
    color: #a8b6c9;
    padding: 0 2rem;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
    font-weight: 400;
    letter-spacing: 0.8px;
    opacity: 1;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    -webkit-font-smoothing: subpixel-antialiased;
    backface-visibility: hidden;
    position: relative;
    z-index: 3;
    isolation: isolate;
    mix-blend-mode: normal;
}

/* 描述文本中的强调部分 */
.description span:not(.powered-text) {
    position: relative;
    display: inline-block;
    background: linear-gradient(90deg, var(--accent-color-4), var(--accent-color-3));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    padding: 0 5px;
    font-weight: 600;
    text-shadow: 0 0 6px rgba(255, 153, 0, 0.4);
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    -webkit-font-smoothing: subpixel-antialiased;
}

/* Powered by 文本专用样式 */
.powered-text {
    font-size: 1.5rem;
    color: #8c9cb0;
    letter-spacing: 0.3px;
    font-weight: 400;
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    -webkit-text-fill-color: #8c9cb0;
    padding: 0;
}

/* 描述文本中的强调部分 */
.description span:nth-of-type(2) {
    background: linear-gradient(90deg, var(--accent-color-1), var(--accent-pink));
    -webkit-background-clip: text;
    background-clip: text;
    text-shadow: 0 0 8px rgba(255, 0, 170, 0.4);
}

.description span:nth-of-type(4) {
    background: linear-gradient(90deg, var(--accent-green), var(--accent-teal));
    -webkit-background-clip: text;
    background-clip: text;
    text-shadow: 0 0 8px rgba(0, 204, 170, 0.4);
}

/* CTA按钮 */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(45deg, var(--accent-teal), var(--accent-color-2));
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 0 20px rgba(170, 0, 255, 0.4), 0 0 0 1px rgba(0, 204, 170, 0.1) inset;
    position: relative;
    overflow: hidden;
    margin-top: 0.6rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transform: rotate(45deg);
    z-index: 1;
}

.cta-button::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(135deg, var(--accent-color-5), var(--accent-blue), var(--accent-purple));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: -1;
    opacity: 0.6;
    transition: opacity 0.4s ease;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(170, 0, 255, 0.5), 0 0 0 1px rgba(0, 204, 170, 0.2) inset;
    background: linear-gradient(45deg, var(--accent-color-1), var(--accent-blue));
}

.cta-button:hover::after {
    opacity: 1;
}

.arrow-icon {
    margin-left: 8px;
    font-size: 0.9rem;
}

/* 主题选择器 */
.theme-selector {
    width: 100%;
    max-width: 680px;
    margin: 2rem auto;
}

.theme-label {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--accent-color-5);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    position: relative;
    text-shadow: 0 0 3px rgba(0, 238, 255, 0.3);
}

.theme-options {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.theme-options .theme-option {
    width: 80px !important;
    height: 80px !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(10, 30, 50, 0.9), rgba(5, 15, 35, 0.8));
    border-radius: 12px;
    border: 1px solid rgba(0, 238, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 5px rgba(0, 238, 255, 0.2);
    padding: 0.5rem;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 1;
    overflow: visible;
    text-decoration: none !important;
}

.theme-options .theme-option .theme-icon-container {
    width: 36px !important;
    height: 36px !important;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, rgba(0, 30, 40, 0.95), rgba(0, 15, 30, 0.95));
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3),
                inset 0 0 2px rgba(0, 238, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.theme-options .theme-option .theme-icon {
    font-size: 1.2rem !important;
    filter: drop-shadow(0 0 2px rgba(51, 255, 153, 0.3));
    color: var(--accent-green);
    z-index: 2;
}

.theme-options .theme-option .theme-name {
    font-size: 0.9rem !important;
    font-weight: 500;
    color: var(--primary-color);
    letter-spacing: 0.5px;
    margin-top: 0.3rem;
    text-align: center;
    white-space: nowrap;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.theme-options .theme-option:hover,
.theme-options .theme-option:active {
    transform: translateY(-4px) scale(1.05);
    border-color: rgba(0, 255, 204, 0.5);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4), 0 0 10px rgba(0, 255, 204, 0.3);
    z-index: 5;
}

/* CTA按钮 */
.hero-section .cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 36px !important;
    font-size: 1.2rem !important;
    font-weight: 600;
    color: white;
    background: linear-gradient(45deg, var(--accent-teal), var(--accent-color-2));
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 0 20px rgba(170, 0, 255, 0.4), 0 0 0 1px rgba(0, 204, 170, 0.1) inset;
    position: relative;
    overflow: hidden;
    margin-top: 2rem !important;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    min-width: 200px;
    max-width: 280px;
}

.hero-section .cta-button .arrow-icon {
    margin-left: 12px;
    font-size: 1.2rem;
}

/* 粒子效果 */
.particle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background-color: var(--accent-green);
    border-radius: 50%;
    opacity: 0;
    animation: particle-animation 8s linear infinite;
    box-shadow: 0 0 5px currentColor;
    z-index: -1;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; background-color: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }
.particle:nth-child(2) { left: 20%; top: 80%; animation-delay: 1s; background-color: var(--accent-blue); box-shadow: 0 0 8px var(--accent-blue); }
.particle:nth-child(3) { left: 30%; top: 40%; animation-delay: 2s; background-color: var(--accent-color-5); box-shadow: 0 0 8px var(--accent-color-5); }
.particle:nth-child(4) { left: 40%; top: 60%; animation-delay: 3s; background-color: var(--accent-teal); box-shadow: 0 0 8px var(--accent-teal); }
.particle:nth-child(5) { left: 50%; top: 20%; animation-delay: 4s; background-color: var(--accent-color-1); box-shadow: 0 0 8px var(--accent-color-1); }
.particle:nth-child(6) { left: 60%; top: 70%; animation-delay: 5s; background-color: var(--accent-purple); box-shadow: 0 0 8px var(--accent-purple); }
.particle:nth-child(7) { left: 70%; top: 30%; animation-delay: 6s; background-color: var(--accent-color-2); box-shadow: 0 0 8px var(--accent-color-2); }
.particle:nth-child(8) { left: 80%; top: 50%; animation-delay: 7s; background-color: var(--accent-yellow); box-shadow: 0 0 8px var(--accent-yellow); }
.particle:nth-child(9) { left: 90%; top: 10%; animation-delay: 8s; background-color: var(--accent-pink); box-shadow: 0 0 8px var(--accent-pink); }
.particle:nth-child(10) { left: 5%; top: 70%; animation-delay: 9s; background-color: var(--accent-color-3); box-shadow: 0 0 8px var(--accent-color-3); }
.particle:nth-child(11) { left: 15%; top: 10%; animation-delay: 10s; background-color: var(--accent-color-4); box-shadow: 0 0 8px var(--accent-color-4); }
.particle:nth-child(12) { left: 25%; top: 90%; animation-delay: 11s; background-color: var(--accent-teal); box-shadow: 0 0 8px var(--accent-teal); }

@keyframes particle-animation {
    0% {
        transform: translateY(0) scale(0);
        opacity: 0;
        filter: brightness(0.5);
    }
    10% {
        opacity: 0.8;
        filter: brightness(1);
    }
    80% {
        opacity: 0.8;
        filter: brightness(1.2);
    }
    100% {
        transform: translateY(-100vh) scale(1.2);
        opacity: 0;
        filter: brightness(0.5);
    }
}

/* 电路效果 */
.tech-circuit {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.5;
    overflow: hidden;
    will-change: opacity;
    transform: translateZ(0);
}

.circuit-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
    height: 2px;
    width: 100%;
    opacity: 0.3;
    animation: circuit-pulse 4s infinite ease-in-out;
    filter: drop-shadow(0 0 5px var(--accent-green));
    transform: translateZ(0);
    will-change: opacity, filter;
    pointer-events: none;
}

.circuit-line:nth-child(1) { top: 15%; animation-delay: 0s; background: linear-gradient(90deg, transparent, var(--accent-green), transparent); }
.circuit-line:nth-child(2) { top: 35%; animation-delay: 1s; background: linear-gradient(90deg, transparent, var(--accent-color-5), transparent); }
.circuit-line:nth-child(3) { top: 55%; animation-delay: 2s; background: linear-gradient(90deg, transparent, var(--accent-purple), transparent); }
.circuit-line:nth-child(4) { top: 75%; animation-delay: 3s; background: linear-gradient(90deg, transparent, var(--accent-color-1), transparent); }

.circuit-vertical {
    position: absolute;
    background: linear-gradient(180deg, transparent, var(--accent-teal), transparent);
    width: 2px;
    height: 100%;
    opacity: 0.3;
    animation: circuit-pulse 4s infinite ease-in-out;
    filter: drop-shadow(0 0 5px var(--accent-teal));
    transform: translateZ(0);
    will-change: opacity, filter;
    pointer-events: none;
}

.circuit-vertical:nth-child(5) { left: 20%; animation-delay: 0.5s; background: linear-gradient(180deg, transparent, var(--accent-color-5), transparent); }
.circuit-vertical:nth-child(6) { left: 40%; animation-delay: 1.5s; background: linear-gradient(180deg, transparent, var(--accent-color-5), transparent); }
.circuit-vertical:nth-child(7) { left: 60%; animation-delay: 2.5s; background: linear-gradient(180deg, transparent, var(--accent-blue), transparent); }
.circuit-vertical:nth-child(8) { left: 80%; animation-delay: 3.5s; background: linear-gradient(180deg, transparent, var(--accent-pink), transparent); }

.circuit-node {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--accent-green);
    border-radius: 50%;
    opacity: 0.4;
    box-shadow: 0 0 12px var(--accent-green);
    animation: node-pulse 4s infinite;
    transform: translateZ(0);
    will-change: transform, opacity;
    pointer-events: none;
}

.circuit-node:nth-child(9) { top: 15%; left: 20%; animation-delay: 0s; background-color: var(--accent-green); box-shadow: 0 0 15px var(--accent-green); }
.circuit-node:nth-child(10) { top: 35%; left: 40%; animation-delay: 1s; background-color: var(--accent-color-5); box-shadow: 0 0 15px var(--accent-color-5); }
.circuit-node:nth-child(11) { top: 55%; left: 60%; animation-delay: 2s; background-color: var(--accent-purple); box-shadow: 0 0 15px var(--accent-purple); }
.circuit-node:nth-child(12) { top: 75%; left: 80%; animation-delay: 3s; background-color: var(--accent-color-1); box-shadow: 0 0 15px var(--accent-color-1); }

.circuit-node-small {
    width: 4px;
    height: 4px;
    animation: node-pulse-small 3s infinite alternate;
}

.circuit-node-small:nth-child(13) { top: 25%; left: 30%; animation-delay: 0.7s; background-color: var(--accent-yellow); box-shadow: 0 0 10px var(--accent-yellow); }
.circuit-node-small:nth-child(14) { top: 45%; left: 10%; animation-delay: 1.2s; background-color: var(--accent-color-5); box-shadow: 0 0 10px var(--accent-color-5); }
.circuit-node-small:nth-child(15) { top: 65%; left: 50%; animation-delay: 1.7s; background-color: var(--accent-teal); box-shadow: 0 0 10px var(--accent-teal); }
.circuit-node-small:nth-child(16) { top: 85%; left: 70%; animation-delay: 2.2s; background-color: var(--accent-blue); box-shadow: 0 0 10px var(--accent-blue); }
.circuit-node-small:nth-child(17) { top: 10%; left: 75%; animation-delay: 2.7s; background-color: var(--accent-purple); box-shadow: 0 0 10px var(--accent-purple); }
.circuit-node-small:nth-child(18) { top: 60%; left: 90%; animation-delay: 3.2s; background-color: var(--accent-color-1); box-shadow: 0 0 10px var(--accent-color-1); }

.circuit-diagonal {
    position: absolute;
    width: 150%;
    height: 1px;
    top: 50%;
    left: -25%;
    transform: rotate(15deg);
    background: linear-gradient(90deg, transparent, var(--accent-color-3), transparent);
    opacity: 0.25;
    animation: circuit-pulse 5s infinite ease-in-out;
    filter: drop-shadow(0 0 3px #00eeff);
    transform: translateZ(0);
    will-change: opacity, filter;
    pointer-events: none;
}

.circuit-diagonal:nth-child(19) { top: 30%; animation-delay: 0.5s; background: linear-gradient(90deg, transparent, var(--accent-color-3), transparent); }
.circuit-diagonal:nth-child(20) { top: 70%; animation-delay: 2.5s; background: linear-gradient(90deg, transparent, var(--accent-color-4), transparent); }

.circuit-diagonal-reverse {
    transform: rotate(-15deg);
}

.circuit-diagonal-reverse:nth-child(21) { top: 40%; animation-delay: 1.5s; background: linear-gradient(90deg, transparent, var(--accent-pink), transparent); }
.circuit-diagonal-reverse:nth-child(22) { top: 80%; animation-delay: 3.5s; background: linear-gradient(90deg, transparent, var(--accent-color-2), transparent); }

/* 优化动画性能 */
@keyframes circuit-pulse {
    0%, 100% {
        opacity: 0.2;
        filter: drop-shadow(0 0 1px currentColor);
    }
    50% {
        opacity: 0.4;
        filter: drop-shadow(0 0 4px currentColor);
    }
}

@keyframes node-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1) translateZ(0);
        filter: brightness(0.8);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2) translateZ(0);
        filter: brightness(1.2);
    }
}

@keyframes node-pulse-small {
    0%, 100% {
        opacity: 0.2;
        transform: scale(1) translateZ(0);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.2) translateZ(0);
    }
}

/* 响应式设计 - 调整缩小后的尺寸 */
@media screen and (max-width: 1200px) {
    .title {
        font-size: 5rem;
    }
    .hero-section {
        min-height: 100vh;
        padding: 2rem 1rem;
    }
}

@media screen and (max-width: 768px) {
    .title {
        font-size: 4rem;
        margin-bottom: 1rem;
        letter-spacing: 2px;
    }
    .subtitle {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    .description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
        line-height: 1.6;
        padding: 0 1rem;
    }
    .cta-button {
        padding: 10px 24px;
        font-size: 0.9rem;
    }
    .theme-selector {
        margin: 1.5rem auto;
        max-width: 90%;
    }
    .theme-options {
        gap: 1rem;
        justify-content: center;
    }
    .hero-section {
        justify-content: center;
        align-items: center;
        display: flex;
        flex-direction: column;
    }
    .theme-options .theme-option {
        width: 70px !important;
        height: 70px !important;
        margin: 0 5px;
        border: 1px solid rgba(0, 238, 255, 0.4);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 0 6px rgba(0, 238, 255, 0.3);
    }

    .theme-options .theme-option .theme-icon-container {
        width: 30px !important;
        height: 30px !important;
    }

    .theme-options .theme-option .theme-name {
        font-size: 0.75rem !important;
    }

    .hero-section .cta-button {
        padding: 10px 24px !important;
        font-size: 1rem !important;
        margin-top: 1.5rem !important;
    }
    
    .github-link {
        width: 38px;
        height: 38px;
        font-size: 1.3rem;
        top: 15px;
        right: 15px;
    }
}

@media screen and (max-width: 480px) {
    .title {
        font-size: 3.2rem;
        margin-bottom: 0.8rem;
        letter-spacing: 1.5px;
    }
    .subtitle {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
    .description {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
        padding: 0 0.5rem;
    }
    .cta-button {
        padding: 8px 20px;
        font-size: 0.85rem;
    }
    .hero-section {
        min-height: 100vh;
        padding: 1.5rem 0.5rem;
        justify-content: center;
        display: flex;
        flex-direction: column;
    }
    .theme-selector {
        margin: 1rem auto;
        padding: 0.5rem;
        border-radius: 12px;
        background: rgba(5, 15, 25, 0.3);
        border: 1px solid rgba(0, 238, 255, 0.15);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    }
    .theme-options {
        gap: 1rem;
        padding: 0.5rem;
    }
    .theme-options .theme-option {
        width: 65px !important;
        height: 65px !important;
        margin: 0 4px 8px;
        border: 1px solid rgba(0, 238, 255, 0.5);
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3), 0 0 8px rgba(0, 238, 255, 0.3);
        background: linear-gradient(180deg, rgba(15, 35, 55, 0.95), rgba(8, 20, 40, 0.9));
    }

    .theme-options .theme-option .theme-icon-container {
        width: 28px !important;
        height: 28px !important;
        margin-bottom: 0.4rem;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3),
                    inset 0 0 4px rgba(0, 238, 255, 0.3);
    }

    .theme-options .theme-option .theme-name {
        font-size: 0.7rem !important;
        margin-top: 0.3rem;
        text-shadow: 0 0 4px rgba(0, 255, 204, 0.4);
    }

    .theme-label {
        margin-bottom: 0.6rem;
        font-size: 1.1rem;
        text-shadow: 0 0 6px rgba(0, 238, 255, 0.5);
    }

    .tech-circuit, .particle-container {
        opacity: 0.6;
    }

    .hero-section .cta-button {
        padding: 8px 18px !important;
        font-size: 0.9rem !important;
        min-width: 160px;
        margin-top: 1rem !important;
    }
    
    .github-link {
        width: 34px;
        height: 34px;
        font-size: 1.2rem;
        top: 12px;
        right: 12px;
    }
}

@media screen and (max-width: 360px) {
    .title {
        font-size: 2.8rem;
        margin-bottom: 0.7rem;
    }
    .subtitle {
        font-size: 1rem;
        margin-bottom: 0.7rem;
    }
    .description {
        font-size: 0.8rem;
        margin-bottom: 1.2rem;
    }
    .cta-button {
        padding: 7px 16px;
        font-size: 0.8rem;
    }
    .theme-options {
        gap: 0.5rem;
    }
    .theme-options .theme-option {
        width: 56px !important;
        height: 56px !important;
        margin: 0 3px 6px;
    }

    .theme-options .theme-option .theme-icon-container {
        width: 24px !important;
        height: 24px !important;
    }

    .theme-options .theme-option .theme-name {
        font-size: 0.65rem !important;
    }

    .hero-section .cta-button {
        padding: 7px 16px !important;
        font-size: 0.85rem !important;
        min-width: 140px;
    }
    
    .github-link {
        width: 30px;
        height: 30px;
        font-size: 1rem;
        top: 10px;
        right: 10px;
    }
}

@media screen and (max-height: 700px) {
    .hero-section {
        min-height: auto;
        padding: 1rem 1rem;
    }
    .description {
        margin-bottom: 1rem;
        max-width: 600px;
    }
    .title {
        margin-bottom: 0.5rem;
    }
    .subtitle {
        margin-bottom: 0.5rem;
    }
}

@media screen and (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        padding: 0.5rem;
    }
    .title {
        font-size: 2.5rem;
        margin-bottom: 0.3rem;
    }
    .subtitle {
        font-size: 1rem;
        margin-bottom: 0.3rem;
    }
    .description {
        font-size: 0.8rem;
        margin-bottom: 0.8rem;
    }
    .cta-button {
        padding: 6px 15px;
        font-size: 0.8rem;
    }
    .theme-selector {
        margin: 0.5rem 0;
    }
    .theme-label {
        margin-bottom: 0.3rem;
    }
    .theme-options .theme-option {
        width: 45px !important;
        height: 45px !important;
        margin: 0 2px 5px;
    }

    .theme-options .theme-option .theme-icon-container {
        width: 18px !important;
        height: 18px !important;
    }

    .theme-options .theme-option .theme-name {
        font-size: 0.55rem !important;
    }
}

/* 字体清晰度优化 */
@supports (font-variation-settings: normal) {
    * {
        font-variation-settings: "wght" var(--font-weight, 400);
        font-synthesis: none;
    }
}

/* 防止字体在不同设备上渲染不一致 */
@media screen and (-webkit-min-device-pixel-ratio: 2),
       screen and (min-resolution: 192dpi) {
    .title, .subtitle, .description, .description span, .powered-text {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* 调整 canvas 的层级和混合模式 */
.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.4;
    pointer-events: none;
    mix-blend-mode: screen;
}

/* 隐藏所有滚动条 */
::-webkit-scrollbar {
    width: 0;
    height: 0;
    background: transparent;
}

* {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* 修复某些设备上的overflow问题 */
html, body {
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

/* GitHub 链接按钮 */
.github-link {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(145deg, #222, #000);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.6rem;
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.6), -2px -2px 8px rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    z-index: 100;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.github-link::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    z-index: 1;
}

.github-link:hover {
    transform: translateY(-3px);
    box-shadow: 6px 6px 20px rgba(0, 0, 0, 0.7), -3px -3px 10px rgba(255, 255, 255, 0.15);
    background: linear-gradient(145deg, #444, #111);
}

.github-link i {
    position: relative;
    z-index: 2;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* 加载页面样式 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    overflow: hidden;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-container {
    position: relative;
    width: 300px;
    max-width: 80%;
}

.loading-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color-5));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 5px;
    position: relative;
    filter: drop-shadow(0 0 8px rgba(0, 255, 204, 0.3));
    font-family: var(--font-mono);
    animation: glitch-text 1s infinite, loading-title-animation 1.5s forwards;
}

.loading-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 255, 204, 0.05), transparent 70%);
    z-index: -1;
}

.loading-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 255, 204, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 204, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.15;
    z-index: -1;
    animation: grid-animation 20s linear infinite;
}

.progress-container {
    width: 100%;
    height: 6px;
    background: rgba(10, 30, 30, 0.5);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.3);
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-color-5), var(--primary-color));
    position: relative;
    border-radius: 3px;
    transition: width 0.05s ease-out;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: progress-shine 1s linear infinite;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 5px;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.8);
    animation: pulse 0.5s ease-in-out infinite alternate;
}

.progress-text {
    font-family: var(--font-mono);
    text-align: right;
    margin-top: 0.5rem;
    font-size: 1rem;
    color: var(--primary-color);
    text-shadow: 0 0 5px rgba(0, 255, 204, 0.5);
    font-weight: 500;
    letter-spacing: 1px;
}

.glitch-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    mix-blend-mode: overlay;
    pointer-events: none;
    z-index: 10;
}

.glitch-line {
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: rgba(0, 255, 204, 0.5);
    opacity: 0;
}

.glitch-line:nth-child(1) { top: 20%; animation: glitch-line-animation 3s infinite 0.5s; }
.glitch-line:nth-child(2) { top: 40%; animation: glitch-line-animation 4s infinite 1s; }
.glitch-line:nth-child(3) { top: 60%; animation: glitch-line-animation 2.5s infinite 1.5s; }
.glitch-line:nth-child(4) { top: 80%; animation: glitch-line-animation 3.5s infinite 0.2s; }

.loading-message {
    font-family: var(--font-mono);
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--accent-color-5);
    letter-spacing: 1px;
    text-align: center;
    opacity: 0.8;
    max-width: 80%;
    animation: typing 3s steps(30, end) infinite;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

/* 自定义光标样式 */
.loading-message::after {
    content: '';
    display: inline-block;
    width: 8px;
    height: 16px;
    background-color: var(--accent-color-5);
    margin-left: 2px;
    animation: cursor-blink 0.8s step-end infinite;
    border-radius: 1px;
    box-shadow: 0 0 8px var(--accent-color-5);
    vertical-align: middle;
    position: relative;
    top: -1px;
}

@keyframes cursor-blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* 过渡故障特效 */
.transition-glitch {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.transition-glitch.active {
    opacity: 1;
    animation: transition-flicker 0.5s ease-out forwards;
}

.glitch-stripe {
    position: absolute;
    width: 100%;
    height: 10vh;
    background-color: rgba(0, 255, 204, 0.15);
    transform: translateX(-100%);
}

.glitch-stripe:nth-child(1) { 
    top: 15%; 
    animation: glitch-stripe-move 0.3s cubic-bezier(0.2, 0.6, 0.8, 0.4) 0.1s forwards;
    height: 8vh;
}
.glitch-stripe:nth-child(2) { 
    top: 45%; 
    animation: glitch-stripe-move 0.25s cubic-bezier(0.3, 0.8, 0.7, 0.2) 0.2s forwards;
    height: 12vh;
    background-color: rgba(170, 0, 255, 0.12);
}
.glitch-stripe:nth-child(3) { 
    top: 70%; 
    animation: glitch-stripe-move 0.35s cubic-bezier(0.1, 0.7, 0.9, 0.3) 0.15s forwards;
    height: 6vh;
    background-color: rgba(255, 0, 170, 0.1);
}

@keyframes glitch-stripe-move {
    0% { transform: translateX(-100%) skewY(2deg); filter: hue-rotate(0deg); }
    60% { filter: hue-rotate(45deg); }
    100% { transform: translateX(100%) skewY(-2deg); filter: hue-rotate(0deg); }
}

@keyframes transition-flicker {
    0% { opacity: 0; filter: brightness(1); }
    5% { opacity: 0.8; filter: brightness(1.5) contrast(1.2); }
    10% { opacity: 0.2; filter: brightness(0.8) contrast(1.5); }
    15% { opacity: 0.9; filter: brightness(1.2) contrast(0.8) hue-rotate(10deg); }
    20% { opacity: 0.3; filter: brightness(1.5) contrast(1.3); }
    30% { opacity: 0.8; filter: brightness(0.9) contrast(1.8) hue-rotate(-15deg); }
    40% { opacity: 0.2; filter: brightness(1.2) contrast(0.7); }
    50% { opacity: 0.9; filter: brightness(1.1) contrast(1.2); }
    60% { opacity: 0.3; filter: brightness(1.3) contrast(1.1) hue-rotate(5deg); }
    80% { opacity: 0.2; filter: brightness(1) contrast(1); }
    100% { opacity: 0; filter: brightness(1) contrast(1); }
}

/* 故障线条 */
.glitch-line-horizontal {
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color-5);
    opacity: 0;
    left: 0;
    z-index: 1000;
}

.glitch-line-horizontal:nth-child(4) { top: 30%; animation: glitch-h-line 0.2s linear 0.1s; }
.glitch-line-horizontal:nth-child(5) { top: 60%; animation: glitch-h-line 0.2s linear 0.25s; }
.glitch-line-horizontal:nth-child(6) { top: 80%; animation: glitch-h-line 0.2s linear 0.15s; }

@keyframes glitch-h-line {
    0% { transform: translateX(-100%); opacity: 0.7; }
    100% { transform: translateX(100%); opacity: 0; }
}

/* 进度条动画效果 */
@keyframes progress-shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes pulse {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

@keyframes grid-animation {
    0% { transform: translateY(0); }
    100% { transform: translateY(40px); }
}

@keyframes typing {
    0% { width: 0; }
    50% { width: 100%; }
    90% { width: 100%; }
    100% { width: 0; }
}

@keyframes glitch-line-animation {
    0% { opacity: 0; transform: translateX(-100%); }
    10% { opacity: 0.8; transform: translateX(0); }
    15% { opacity: 0; transform: translateX(100%); }
    20% { opacity: 0; }
    100% { opacity: 0; }
}

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

@keyframes loading-title-animation {
    0% { clip-path: inset(0 100% 0 0); }
    100% { clip-path: inset(0 0 0 0); }
}

/* 数字字符故障效果 */
.digital-glitch {
    position: relative;
    display: inline-block;
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-weight: bold;
    mix-blend-mode: exclusion;
    animation: digital-glitch 3s infinite;
}

@keyframes digital-glitch {
    0% { opacity: 1; }
    7% { opacity: 1; text-shadow: 0 0 5px var(--primary-color); }
    8% { opacity: 0; text-shadow: none; }
    9% { opacity: 1; }
    10% { opacity: 1; text-shadow: 0 0 5px var(--primary-color); }
    11% { opacity: 0; text-shadow: none; }
    12% { opacity: 1; }
    20% { opacity: 1; }
    100% { opacity: 1; }
}

@media screen and (max-width: 768px) {
    .loading-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .loading-container {
        width: 250px;
    }
    
    .progress-text {
        font-size: 0.9rem;
    }
    
    .loading-message {
        font-size: 0.8rem;
        margin-top: 1rem;
    }
}