/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #0a0a0a;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

.logo-icon {
    font-size: 28px;
    filter: drop-shadow(0 0 10px rgba(138, 43, 226, 0.5));
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #8a2be2, #4169e1, #00bfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #8a2be2;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #8a2be2, #4169e1);
    transition: width 0.3s ease;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: all 0.3s ease;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #8a2be2, #4169e1);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #00bfff, #1e90ff);
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #ff6b9d, #c44569);
    bottom: 20%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 100vh;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #fff;
}

.gradient-text {
    background: linear-gradient(135deg, #8a2be2, #4169e1, #00bfff, #ff6b9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 400% 400%;
    animation: gradientShift 4s ease-in-out infinite;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #8a2be2, #4169e1);
    color: #fff;
    box-shadow: 0 10px 30px rgba(138, 43, 226, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(138, 43, 226, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* 应用截图展示 */
.app-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

.app-screenshot {
    width: 250px;
    height: auto;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.app-screenshot:hover {
    transform: translateY(-10px) scale(1.02);
}

.showcase-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, 
        rgba(138, 43, 226, 0.3) 0%, 
        rgba(65, 105, 225, 0.2) 30%, 
        rgba(0, 191, 255, 0.1) 60%, 
        transparent 100%);
    border-radius: 50%;
    filter: blur(40px);
    animation: glowPulse 4s ease-in-out infinite;
    z-index: 1;
}

@keyframes glowPulse {
    0%, 100% { 
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* 功能特色 */
.features {
    padding: 120px 0;
    background: linear-gradient(180deg, #0a0a0a, #1a1a1a);
}

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

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(138, 43, 226, 0.3);
    box-shadow: 0 20px 40px rgba(138, 43, 226, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.feature-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* 时钟样式展示 */
.gallery {
    padding: 120px 0;
    background: #0a0a0a;
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.tab-button {
    padding: 12px 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.7);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-button.active,
.tab-button:hover {
    background: linear-gradient(135deg, #8a2be2, #4169e1);
    color: #fff;
    border-color: transparent;
}

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

.clock-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.clock-card:hover {
    transform: translateY(-5px);
    border-color: rgba(138, 43, 226, 0.3);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.clock-card:hover .clock-image {
    transform: scale(1.02);
}

.clock-preview {
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.clock-image {
    width: auto;
    height: 100%;
    max-width: 100%;
    object-fit: contain;
    border-radius: 15px 15px 0 0;
    transition: transform 0.3s ease;
}

.clock-demo {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    text-align: center;
}

.demo-time {
    font-size: 2rem;
    text-shadow: 0 0 20px currentColor;
}

.clock-info {
    padding: 20px 24px 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.clock-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.clock-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* 时钟样式 */
.neon-blue .demo-time {
    color: #00bfff;
    text-shadow: 0 0 10px #00bfff, 0 0 20px #00bfff, 0 0 30px #00bfff;
}

.neon-purple .demo-time {
    color: #8a2be2;
    text-shadow: 0 0 10px #8a2be2, 0 0 20px #8a2be2, 0 0 30px #8a2be2;
}

.neon-green .demo-time {
    color: #00ff00;
    text-shadow: 0 0 10px #00ff00, 0 0 20px #00ff00, 0 0 30px #00ff00;
}

.neon-gold .demo-time {
    color: #ffd700;
    text-shadow: 0 0 10px #ffd700, 0 0 20px #ffd700, 0 0 30px #ffd700;
}

.neon-red .demo-time {
    color: #ff0040;
    text-shadow: 0 0 10px #ff0040, 0 0 20px #ff0040, 0 0 30px #ff0040;
}

.neon-cyan .demo-time {
    color: #00ffff;
    text-shadow: 0 0 10px #00ffff, 0 0 20px #00ffff, 0 0 30px #00ffff;
}

/* 专注功能 */
.focus-section {
    padding: 120px 0;
    background: linear-gradient(180deg, #1a1a1a, #0a0a0a);
}

.focus-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.focus-features {
    margin-top: 40px;
}

.focus-feature {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.focus-feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #8a2be2, #4169e1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.focus-feature-content h4 {
    color: #fff;
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.focus-feature-content p {
    color: rgba(255, 255, 255, 0.7);
}

/* 专注模式图片展示 */
.focus-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

.focus-mode-image {
    width: 600px;
    height: auto;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1);
}

.focus-mode-image:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.15);
}

.focus-image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, 
        rgba(138, 43, 226, 0.2) 0%, 
        rgba(65, 105, 225, 0.15) 30%, 
        rgba(0, 191, 255, 0.1) 60%, 
        transparent 100%);
    border-radius: 50%;
    filter: blur(30px);
    animation: focusGlowPulse 3s ease-in-out infinite;
    z-index: 1;
}

@keyframes focusGlowPulse {
    0%, 100% { 
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

/* 下载区域 */
.download {
    padding: 120px 0;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    text-align: center;
}

.download-content {
    max-width: 800px;
    margin: 0 auto;
}

.download-buttons {
    margin: 60px 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.download-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.download-icon {
    font-size: 2.5rem;
}

.download-text {
    text-align: left;
}

.download-label {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.download-size {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.download-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
}

.feature-check {
    color: #00ff88;
    font-weight: bold;
}

/* 页脚 */
.footer {
    background: #0a0a0a;
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-section h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-section a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #8a2be2;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: #1a1a1a;
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1;
}

.modal-header {
    padding: 40px 40px 20px;
}

.modal-header h3 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 10px;
}

.modal-header p {
    color: rgba(255, 255, 255, 0.7);
}

.modal-preview {
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 40px;
    border-radius: 15px;
}

.clock-demo.large .demo-time {
    font-size: 3rem;
}

.modal-features {
    padding: 20px 40px 40px;
}

.modal-features h4 {
    color: #fff;
    margin-bottom: 16px;
}

.modal-features ul {
    list-style: none;
}

.modal-features li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.modal-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00ff88;
    font-weight: bold;
}

.modal-clock-image {
    width: auto;
    height: 100%;
    max-width: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: rgba(255, 255, 255, 0.6);
    font-size: 2rem;
    text-align: center;
}

.image-placeholder span {
    font-size: 0.9rem;
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .container {
        padding: 0 20px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

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

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .app-screenshot {
        width: 220px;
    }

    .showcase-glow {
        width: 260px;
        height: 260px;
    }

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

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

    .clock-preview {
        height: 240px;
    }

    .focus-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .focus-mode-image {
        width: 280px;
    }

    .focus-image-glow {
        width: 300px;
        height: 300px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .download-features {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

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

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

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

    .clock-preview {
        height: 200px;
    }

    .modal-content {
        margin: 10px;
    }

    .modal-header,
    .modal-features {
        padding: 20px;
    }

    .modal-preview {
        margin: 0 20px;
        height: 300px;
    }

    .app-screenshot {
        width: 180px;
    }

    .showcase-glow {
        width: 220px;
        height: 220px;
    }

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

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .clock-preview {
        height: 200px;
    }

    .focus-mode-image {
        width: 240px;
    }

    .focus-image-glow {
        width: 260px;
        height: 260px;
    }

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

    .section-subtitle {
        font-size: 0.95rem;
    }
}