/* ===== 基础重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --secondary: #06b6d4;
    --accent: #ec4899;
    --accent-2: #f59e0b;
    --bg-dark: #0a0a1a;
    --bg-darker: #050510;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
    cursor: none;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: none;
    border: none;
    background: none;
    color: inherit;
}

/* ===== 自定义光标 ===== */
.cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, background 0.2s ease;
    mix-blend-mode: difference;
}

.cursor-ring {
    position: fixed;
    width: 36px;
    height: 36px;
    border: 2px solid var(--primary-light);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99998;
    transform: translate(-50%, -50%);
    transition: transform 0.2s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
}

.cursor-ring.hover {
    width: 60px;
    height: 60px;
    border-color: var(--accent);
    background: rgba(124, 58, 237, 0.1);
}

@media (max-width: 768px) {
    .cursor-dot, .cursor-ring {
        display: none;
    }
    body, button, a {
        cursor: auto;
    }
}

/* ===== 粒子背景画布 ===== */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

/* ===== 极光光晕背景 ===== */
.aurora {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.aurora-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    animation: floatOrb 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
    top: -200px;
    left: -150px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, #ec4899 0%, transparent 70%);
    top: 40%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes floatOrb {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(80px, -60px) scale(1.1);
    }
    50% {
        transform: translate(-40px, 80px) scale(0.95);
    }
    75% {
        transform: translate(-80px, -40px) scale(1.05);
    }
}

/* ===== 玻璃拟态通用类 ===== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* ===== 渐变文字 ===== */
.gradient-text {
    background: linear-gradient(135deg, #7c3aed 0%, #06b6d4 50%, #ec4899 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
}

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

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 60px);
    max-width: 1280px;
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    border-radius: 100px;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    top: 12px;
    width: calc(100% - 40px);
    background: rgba(10, 10, 26, 0.7);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
}

.logo-icon {
    font-size: 26px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { filter: brightness(1); transform: rotate(0deg); }
    50% { filter: brightness(1.3); transform: rotate(180deg); }
}

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

.nav-link {
    position: relative;
    font-size: 15px;
    color: var(--text-muted);
    transition: color 0.3s ease;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

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

/* ===== 霓虹按钮 ===== */
.neon-btn {
    padding: 10px 24px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
}

.neon-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.neon-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(124, 58, 237, 0.6), 0 0 80px rgba(236, 72, 153, 0.3);
}

.neon-btn:hover::before {
    left: 100%;
}

.nav-cta {
    padding: 10px 22px;
    font-size: 14px;
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
    }
    .navbar {
        width: calc(100% - 30px);
        padding: 12px 20px;
    }
}

/* ===== 首页横幅 ===== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    padding: 140px 60px 80px;
    max-width: 1400px;
    margin: 0 auto;
    gap: 60px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 28px;
    border-radius: 100px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid #10b981;
    border-radius: 50%;
    animation: pulseDot 2s ease-out infinite;
}

@keyframes pulseDot {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.hero-title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 28px;
    letter-spacing: -0.02em;
}

/* Glitch 文字效果 */
.glitch-text {
    position: relative;
    display: inline-block;
    color: var(--text);
}

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

.glitch-text::before {
    color: #ff00ff;
    animation: glitch1 3s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.glitch-text::after {
    color: #00ffff;
    animation: glitch2 3s infinite;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch1 {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-2px, -1px); }
    94% { transform: translate(2px, 1px); }
    96% { transform: translate(-1px, 2px); }
    98% { transform: translate(1px, -2px); }
}

@keyframes glitch2 {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(2px, 1px); }
    94% { transform: translate(-2px, -1px); }
    96% { transform: translate(1px, -2px); }
    98% { transform: translate(-1px, 2px); }
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 520px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.primary-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(124, 58, 237, 0.6);
}

.primary-btn:hover svg {
    transform: translateX(5px);
}

.primary-btn.large {
    padding: 20px 40px;
    font-size: 18px;
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.secondary-btn svg {
    width: 20px;
    height: 20px;
}

.secondary-btn:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.ghost-btn {
    padding: 20px 36px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 16px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.ghost-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

.ghost-btn.large {
    padding: 20px 36px;
}

/* 统计数据 */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 48px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.stat-item {
    text-align: left;
}

.stat-value {
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, #fff, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

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

/* 悬浮3D球体 */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 500px;
}

.orb-container {
    position: relative;
    width: 380px;
    height: 380px;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.main-orb {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 220px;
    height: 220px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%,
        rgba(167, 139, 250, 0.9) 0%,
        rgba(124, 58, 237, 0.7) 30%,
        rgba(6, 182, 212, 0.5) 60%,
        rgba(236, 72, 153, 0.3) 100%);
    box-shadow:
        0 0 60px rgba(124, 58, 237, 0.5),
        0 0 120px rgba(6, 182, 212, 0.3),
        inset 0 0 60px rgba(255, 255, 255, 0.1);
    animation: orbFloat 6s ease-in-out infinite;
}

.orb-inner {
    position: absolute;
    inset: 15px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 40%,
        rgba(255, 255, 255, 0.3) 0%,
        transparent 50%);
}

.orb-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ringRotate 8s linear infinite;
}

.orb-ring.ring-1 {
    width: 280px;
    height: 280px;
    border-color: rgba(167, 139, 250, 0.4);
    animation-duration: 10s;
    transform: translate(-50%, -50%) rotateX(70deg);
}

.orb-ring.ring-2 {
    width: 320px;
    height: 320px;
    border-color: rgba(6, 182, 212, 0.4);
    animation-duration: 15s;
    animation-direction: reverse;
    transform: translate(-50%, -50%) rotateX(65deg) rotateY(20deg);
}

.orb-ring.ring-3 {
    width: 360px;
    height: 360px;
    border-color: rgba(236, 72, 153, 0.3);
    border-style: dashed;
    animation-duration: 20s;
    transform: translate(-50%, -50%) rotateX(80deg) rotateZ(45deg);
}

@keyframes orbFloat {
    0%, 100% { transform: translate(-50%, -50%) translateY(0) rotateY(0deg); }
    50% { transform: translate(-50%, -58%) rotateY(180deg); }
}

@keyframes ringRotate {
    0% { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(0deg); }
    100% { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(360deg); }
}

.satellite {
    position: absolute;
    font-size: 24px;
    color: var(--primary-light);
    filter: drop-shadow(0 0 8px rgba(167, 139, 250, 0.8));
    animation: satOrbit 10s linear infinite;
}

.sat-1 {
    top: 0;
    left: 50%;
    transform-origin: 0 190px;
    animation-duration: 8s;
}

.sat-2 {
    top: 0;
    left: 50%;
    color: var(--secondary);
    filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.8));
    transform-origin: 0 160px;
    animation-duration: 12s;
    animation-direction: reverse;
}

.sat-3 {
    top: 0;
    left: 50%;
    color: var(--accent);
    filter: drop-shadow(0 0 8px rgba(236, 72, 153, 0.8));
    transform-origin: 0 175px;
    animation-duration: 15s;
}

@keyframes satOrbit {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 120px 24px 60px;
        gap: 40px;
        text-align: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
}

/* ===== 通用区块样式 ===== */
section {
    padding: 120px 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: rgba(124, 58, 237, 0.15);
    color: var(--primary-light);
    border-radius: 100px;
    border: 1px solid rgba(124, 58, 237, 0.3);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 3D 卡片通用效果 ===== */
.card-3d {
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1),
                box-shadow 0.4s ease,
                border-color 0.3s ease;
    transform-style: preserve-3d;
}

.card-3d:hover {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(124, 58, 237, 0.2);
}

/* ===== 特性展示 ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px 30px;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.feature-card:hover::before {
    transform: translateX(100%);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    position: relative;
    transition: transform 0.4s ease;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-card:hover .feature-icon {
    transform: rotate(-8deg) scale(1.1);
}

.icon-1 {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(236, 72, 153, 0.2));
    color: #f59e0b;
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.25);
}
.icon-2 {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.2));
    color: #10b981;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.25);
}
.icon-3 {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(236, 72, 153, 0.2));
    color: #a78bfa;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.25);
}
.icon-4 {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.2));
    color: #06b6d4;
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.25);
}
.icon-5 {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(245, 158, 11, 0.2));
    color: #ec4899;
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.25);
}
.icon-6 {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(16, 185, 129, 0.2));
    color: #818cf8;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.25);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.feature-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    font-size: 18px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-arrow {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
    transform: translateX(6px);
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    section {
        padding: 80px 24px;
    }
}

@media (min-width: 901px) and (max-width: 1100px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== 产品展示 ===== */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 220px);
    gap: 20px;
}

.showcase-item {
    position: relative;
    overflow: hidden;
    padding: 0;
}

.showcase-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.showcase-item.wide {
    grid-column: span 2;
}

.showcase-img {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.showcase-item:hover .showcase-img {
    transform: scale(1.08);
}

.showcase-img-1 {
    background-image: linear-gradient(135deg, rgba(124, 58, 237, 0.4), rgba(6, 182, 212, 0.4)),
                      url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=800&q=80');
}
.showcase-img-2 {
    background-image: linear-gradient(135deg, rgba(236, 72, 153, 0.4), rgba(245, 158, 11, 0.4)),
                      url('https://images.unsplash.com/photo-1512941937669-90a1b58e7e9c?w=600&q=80');
}
.showcase-img-3 {
    background-image: linear-gradient(135deg, rgba(16, 185, 129, 0.4), rgba(6, 182, 212, 0.4)),
                      url('https://images.unsplash.com/photo-1558655146-9f40138edfeb?w=600&q=80');
}
.showcase-img-4 {
    background-image: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(236, 72, 153, 0.4)),
                      url('https://images.unsplash.com/photo-1542751371-adc38448a05e?w=600&q=80');
}
.showcase-img-5 {
    background-image: linear-gradient(135deg, rgba(124, 58, 237, 0.4), rgba(16, 185, 129, 0.4)),
                      url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?w=800&q=80');
}

.showcase-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5, 5, 16, 0.95) 0%, rgba(5, 5, 16, 0.4) 40%, transparent 100%);
    border-radius: 16px;
}

.showcase-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px 28px;
    z-index: 2;
}

.showcase-tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(124, 58, 237, 0.9);
    color: white;
    border-radius: 100px;
    margin-bottom: 12px;
}

.showcase-info h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 6px;
}

.showcase-item.large .showcase-info h3 {
    font-size: 30px;
}

.showcase-info p {
    color: var(--text-muted);
    font-size: 14px;
}

.showcase-hover {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: rgba(5, 5, 16, 0.5);
    backdrop-filter: blur(4px);
}

.showcase-item:hover .showcase-hover {
    opacity: 1;
}

.view-btn {
    padding: 14px 28px;
    border-radius: 100px;
    background: white;
    color: var(--bg-dark);
    font-weight: 700;
    font-size: 15px;
    transform: translateY(20px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.showcase-item:hover .view-btn {
    transform: translateY(0);
}

.view-btn:hover {
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.3);
}

@media (max-width: 900px) {
    .showcase-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    .showcase-item,
    .showcase-item.large,
    .showcase-item.wide {
        grid-column: auto;
        grid-row: auto;
        aspect-ratio: 4 / 3;
    }
}

/* ===== 定价方案 ===== */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.price-card {
    padding: 40px 32px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.price-card.featured {
    position: relative;
    transform: translateY(-12px);
    border-color: rgba(124, 58, 237, 0.5);
    box-shadow: 0 20px 60px rgba(124, 58, 237, 0.2),
                inset 0 0 0 1px rgba(124, 58, 237, 0.3);
}

.price-card.featured:hover {
    transform: translateY(-20px);
    box-shadow: 0 30px 80px rgba(124, 58, 237, 0.35);
}

.price-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-radius: 100px;
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
}

.price-header {
    margin-bottom: 28px;
}

.price-header h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 6px;
}

.price-header p {
    color: var(--text-muted);
    font-size: 14px;
}

.price-value {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 32px;
}

.price-value .currency {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-muted);
}

.price-value .amount {
    font-size: 56px;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, #fff, var(--primary-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.price-value .period {
    font-size: 15px;
    color: var(--text-muted);
    margin-left: 4px;
}

.price-features {
    flex: 1;
    margin-bottom: 32px;
}

.price-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
    border-bottom: 1px solid var(--glass-border);
}

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

.price-features .check {
    color: #10b981;
    font-weight: 700;
    font-size: 14px;
}

.price-features .cross {
    color: #ef4444;
    opacity: 0.7;
    font-size: 14px;
}

.price-features li.disabled {
    color: var(--text-muted);
    opacity: 0.6;
}

.price-btn {
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 15px;
    width: 100%;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    transition: all 0.3s ease;
}

.price-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.price-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.price-btn.primary:hover {
    box-shadow: 0 8px 40px rgba(124, 58, 237, 0.6);
}

@media (max-width: 900px) {
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    .price-card.featured {
        transform: none;
    }
}

/* ===== CTA 区域 ===== */
.cta-section {
    padding-top: 60px;
    padding-bottom: 120px;
}

.cta-card {
    position: relative;
    padding: 80px 60px;
    text-align: center;
    overflow: hidden;
}

.cta-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}

.cta-card h2 {
    position: relative;
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-card p {
    position: relative;
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    position: relative;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .cta-card {
        padding: 60px 28px;
    }
}

/* ===== 页脚 ===== */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 80px 60px 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand > p {
    color: var(--text-muted);
    margin-bottom: 24px;
    max-width: 300px;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-4px);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
    color: white;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
}

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

.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text);
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--text-muted);
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: 28px;
}

.footer-legal a {
    font-size: 13px;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--text);
}

@media (max-width: 900px) {
    .footer {
        padding: 60px 24px 24px;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-links-group {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

@media (max-width: 500px) {
    .footer-links-group {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== 回到顶部按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ===== 滚动进入动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}