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

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    background: linear-gradient(135deg, #faf8ff 0%, #f0f4ff 50%, #fff5f9 100%);
    color: #3d3a5c;
    line-height: 1.6;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background: rgba(255,255,255,0.85); backdrop-filter: blur(6px); }

/* 导航 */
.site-header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255,255,255,0.78);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(178, 152, 255, 0.18);
    box-shadow: 0 4px 30px rgba(158, 124, 255, 0.06);
}
.header-inner {
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:78px;
    max-width:1200px;
    margin:0 auto;
    padding:0 24px;
}
.logo {
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:800;
    font-size:1.35rem;
    text-decoration:none;
    color:#4d3ab5;
    letter-spacing:-1px;
}
.logo-icon {
    width:42px;
    height:42px;
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.3rem;
    background: linear-gradient(135deg, #ff9de2, #a78bfa 50%, #6ec5ff);
    color:#fff;
    box-shadow: 0 8px 20px rgba(167, 139, 250, 0.35);
    transform: rotate(-6deg);
}
.main-nav {
    display:flex;
    align-items:center;
    gap:8px;
    list-style:none;
}
.main-nav li {
    position: relative;
}
.main-nav a {
    text-decoration:none;
    font-size:0.95rem;
    font-weight:500;
    color:#5a5287;
    padding:8px 14px;
    border-radius: 20px;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    letter-spacing: 0.3px;
}
.main-nav a:hover {
    background: rgba(167,139,250,0.12);
    color:#4d3ab5;
}
.nav-cta {
    padding:10px 24px !important;
    border-radius: 50px !important;
    color:#fff !important;
    font-weight:700 !important;
    background: linear-gradient(120deg,#ff7ad9,#8b5cf6,#5ea9ff);
    background-size: 200% auto;
    box-shadow: 0 8px 24px rgba(139,92,246,0.3);
    transition: background-position 0.4s, transform 0.3s, box-shadow 0.3s !important;
}
.nav-cta:hover {
    background-position: right center;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(139,92,246,0.4);
}
.menu-toggle {
    display:none;
    font-size:1.8rem;
    cursor:pointer;
    color:#4d3ab5;
    border:none;
    background:none;
    padding:4px 10px;
    border-radius: 12px;
    transition: background .2s;
}
.menu-toggle:hover { background: rgba(139,92,246,.1); }

/* Hero */
.hero {
    min-height: 92vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 140px 0 60px;
}
.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,154,227,0.25), transparent 65%);
    top: 10%;
    right: -80px;
    filter: blur(30px);
    z-index: 0;
}
.hero::after {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(129,190,255,0.28), transparent 65%);
    bottom: 5%;
    left: -60px;
    filter: blur(40px);
    z-index: 0;
}
.hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}
.hero-content {
    max-width: 640px;
    flex: 1;
}
.hero-eyebrow {
    display:inline-block;
    font-size:0.85rem;
    font-weight:700;
    padding:6px 18px;
    border-radius:30px;
    margin-bottom:24px;
    background: linear-gradient(120deg, rgba(255,157,226,0.2), rgba(139,92,246,0.2));
    color:#7c4cc4;
    letter-spacing:0.6px;
    border: 1px solid rgba(255,255,255,0.6);
}
.hero h1 {
    font-size: clamp(2.4rem, 5.5vw, 3.8rem);
    line-height:1.15;
    margin-bottom:20px;
    font-weight: 800;
    letter-spacing: -2px;
    background: linear-gradient(120deg, #3a2d7d, #a855f7, #ff6ec4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p {
    font-size:1.15rem;
    opacity:0.75;
    color:#4a4570;
    max-width:560px;
    margin-bottom:36px;
    line-height: 1.8;
}
.hero-buttons {
    display:flex;
    gap:16px;
    position: relative;
    z-index: 3;
}
.hero-image {
    flex: 1;
    max-width: 440px;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    transform: rotate(2deg);
    box-shadow: 20px 25px 60px rgba(139,92,246,0.2);
    border: 4px solid rgba(255,255,255,0.8);
}
.hero-image::after {
    content: '✦';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    color: #fff;
    text-shadow: 0 4px 16px rgba(0,0,0,0.2);
    animation: float 3s ease-in-out infinite;
}
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 */
.btn {
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:14px 32px;
    border-radius: 60px;
    font-weight:700;
    cursor:pointer;
    border:none;
    text-decoration:none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    font-size: 1rem;
    letter-spacing: 0.3px;
}
.btn-primary {
    color:#fff;
    background: linear-gradient(135deg, #ff7ad9, #8b5cf6, #6ec5ff);
    background-size: 200% auto;
    box-shadow: 0 10px 30px rgba(139,92,246,0.35);
}
.btn-primary:hover {
    background-position: right center;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 40px rgba(139,92,246,0.45);
}
.btn-outline {
    background: rgba(255,255,255,0.8);
    border: 1.5px solid #b9a7f5;
    color: #6b4ee0;
    backdrop-filter: blur(8px);
}
.btn-outline:hover {
    background: rgba(244,237,255,0.9);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(139,92,246,0.15);
}

/* 标签/标题 */
.section-label {
    display:inline-block;
    font-size:0.8rem;
    font-weight:800;
    letter-spacing:3px;
    margin-bottom:14px;
    color:#9d78ed;
    text-transform: uppercase;
}
.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    margin-bottom:16px;
    font-weight: 800;
    letter-spacing: -1.5px;
    color: #342a68;
    line-height: 1.2;
}
.section-desc {
    max-width:600px;
    opacity:0.68;
    margin-bottom:44px;
    font-size: 1.05rem;
    color: #4d4877;
}

/* 卡片网格 */
.cards-grid {
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
    gap:28px;
}
.category-card {
    border-radius: 24px;
    padding:36px 32px;
    border: 1px solid rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(139,92,246,0.07);
}
.category-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, #ff7ad9, #8b5cf6, #6ec5ff);
    opacity: 0;
    transition: opacity 0.4s;
}
.category-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 20px 45px rgba(139,92,246,0.16);
    border-color: rgba(139,92,246,0.25);
}
.category-card:hover::before { opacity: 1; }
.card-icon {
    width:56px;
    height:56px;
    border-radius:16px;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:20px;
    font-size:1.6rem;
    background: linear-gradient(135deg, #ffe2f7, #e4d5ff);
    box-shadow: 0 6px 16px rgba(255,122,217,0.2);
    transition: transform 0.3s;
}
.category-card:hover .card-icon { transform: scale(1.1) rotate(-5deg); }
.category-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #3a2d7d;
}
.category-card p {
    font-size: 0.88rem;
    color: #6c6891;
    margin-bottom: 20px;
    line-height: 1.7;
}
.card-link {
    font-weight:700;
    font-size:0.9rem;
    text-decoration:none;
    color:#8b5cf6;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.3s;
}
.card-link:hover { gap: 8px; }

/* 特性块 */
.feature-block {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:70px;
    align-items:center;
}
.feature-image {
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    box-shadow: 20px 20px 50px rgba(108,80,200,0.2);
    border: 6px solid rgba(255,255,255,0.8);
    transform: rotate(-2deg);
    transition: transform 0.4s;
}
.feature-image:hover { transform: rotate(0) scale(1.02); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { padding: 20px 0; }
.feature-text h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    font-weight: 800;
    color: #342a68;
    letter-spacing: -0.5px;
}
.feature-list {
    list-style:none;
    margin-top: 10px;
}
.feature-list li {
    padding:8px 0;
    display:flex;
    align-items:center;
    gap:12px;
    font-size: 1rem;
    color: #4a4570;
}
.feature-list li::before {
    content:'✦';
    font-weight:700;
    color: #ff7ad9;
    font-size: 1.1rem;
}

/* 数据条 */
.stats-bar {
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
    text-align:center;
}
.stat-item {
    padding:32px 20px;
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(139,92,246,0.06);
    transition: transform 0.3s;
}
.stat-item:hover { transform: translateY(-5px); }
.stat-number {
    font-size:2.6rem;
    font-weight: 800;
    background: linear-gradient(120deg, #ff7ad9, #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}
.stat-label {
    font-size:0.9rem;
    opacity:0.6;
    margin-top:8px;
    letter-spacing: 0.5px;
}

/* 内容墙 */
.content-wall {
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
    gap:28px;
}
.content-wall-item {
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(6px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 18px rgba(139,92,246,0.06);
}
.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(139,92,246,0.18);
}
.content-wall-item img {
    width:100%;
    height:200px;
    object-fit:cover;
    filter: saturate(0.9);
    transition: transform 0.5s;
}
.content-wall-item:hover img { transform: scale(1.05); }
.content-wall-body { padding:24px; }
.content-wall-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #342a68;
}
.content-wall-body p {
    font-size: 0.88rem;
    color: #6c6891;
    line-height: 1.6;
}

/* FAQ */
.faq-list {
    max-width:800px;
    margin:0 auto;
}
.faq-item {
    border: 1px solid rgba(255,255,255,0.9);
    border-radius: 20px;
    margin-bottom:10px;
    overflow:hidden;
    cursor:pointer;
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(8px);
    transition: all 0.3s;
    box-shadow: 0 2px 12px rgba(139,92,246,0.05);
}
.faq-item:hover { border-color: rgba(139,92,246,0.3); }
.faq-item.open { border-color: rgba(139,92,246,0.4); box-shadow: 0 6px 20px rgba(139,92,246,0.12); }
.faq-item .faq-question {
    padding:18px 24px;
    font-weight:700;
    display:flex;
    justify-content:space-between;
    align-items:center;
    color: #342a68;
    font-size: 1.02rem;
}
.faq-item .faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: #8b5cf6;
    transition: transform 0.3s;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-item .faq-answer {
    padding:0 24px 18px;
    display:none;
    opacity:0.75;
    color: #4a4570;
    line-height: 1.8;
    font-size: 0.95rem;
}
.faq-item.open .faq-answer { display:block; animation: fadeInDown 0.3s ease; }

/* CTA横幅 */
.cta-banner {
    padding:70px 24px;
    text-align:center;
    border-radius: 32px;
    color:#fff;
    background: linear-gradient(120deg, #ff7ad9, #8b5cf6, #6ec5ff);
    background-size: 200% auto;
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 50px rgba(139,92,246,0.3);
}
.cta-banner::before {
    content: '✦✦✦';
    position: absolute;
    top: -20px; left: -20px;
    font-size: 6rem;
    opacity: 0.15;
    transform: rotate(-30deg);
}
.cta-banner::after {
    content: '✦✦✦';
    position: absolute;
    bottom: -20px; right: -20px;
    font-size: 6rem;
    opacity: 0.15;
    transform: rotate(30deg);
}
.cta-banner h2 {
    color:#fff;
    font-size: 2.2rem;
    margin-bottom: 16px;
    letter-spacing: -1px;
    position: relative;
    z-index: 1;
}
.cta-banner p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 36px;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}
.cta-banner .btn-primary {
    background: #fff;
    color: #7c4cc4;
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}
.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.18);
}

/* 页脚 */
.site-footer {
    padding:80px 0 30px;
    background: linear-gradient(135deg, #f8f4ff, #f0f4ff, #fff5fb);
    border-top: 1px solid rgba(139,92,246,0.15);
    position: relative;
}
.site-footer .container {}
.footer-grid {
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1fr;
    gap:45px;
}
.footer-brand {}
.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #342a68;
    margin-bottom: 14px;
}
.footer-brand p {
    font-size: 0.92rem;
    color: #6c6891;
    max-width: 280px;
    line-height: 1.7;
    opacity: 0.9;
}
.footer-col {}
.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #342a68;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a {
    text-decoration: none;
    font-size: 0.92rem;
    color: #6c6891;
    transition: all 0.2s;
    position: relative;
    padding-bottom: 2px;
}
.footer-col ul a:hover {
    color: #8b5cf6;
}
.footer-bottom {
    border-top: 1px solid rgba(139,92,246,0.15);
    margin-top: 55px;
    padding-top:24px;
    text-align:center;
    font-size:0.88rem;
    color: #8b82b8;
}

/* 工具类 */
.text-accent {
    background: linear-gradient(120deg, #ff7ad9, #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.text-center { text-align:center; }
.seo-description {
    max-width:600px;
    margin:0 auto 56px;
    opacity:0.72;
    font-size: 1.05rem;
    color: #4a4570;
    line-height: 1.8;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 动画 */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-14px) rotate(8deg); }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 0.75; transform: translateY(0); }
}

/* 滚动条 */
::-webkit-scrollbar { width: 10px; background: #f8f6ff; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: linear-gradient(135deg, #e0cffc, #c4aff8); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(135deg, #d0b9fa, #a78bfa); }

::selection { background: #e4d5ff; color: #342a68; }

/* ⚠️ 响应式 */
@media (max-width: 992px) {
    .hero .container { flex-direction: column; text-align: center; }
    .hero-content { max-width: 100%; }
    .hero p { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-image { margin-top: 40px; max-width: 380px; transform: rotate(0) scale(1); }
    .feature-block { gap: 40px; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .hero { padding-top: 110px; min-height: 80vh; }
    .feature-block { grid-template-columns:1fr; }
    .stats-bar { grid-template-columns:repeat(2,1fr); gap: 14px; }
    .footer-grid { grid-template-columns:1fr 1fr; gap: 30px; }
    .main-nav {
        display:none;
        position: absolute;
        top: 78px;
        left: 16px;
        right: 16px;
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(20px);
        border-radius: 24px;
        padding: 24px;
        flex-direction: column;
        gap: 6px;
        box-shadow: 0 20px 60px rgba(139,92,246,0.2);
        border: 1px solid rgba(255,255,255,0.9);
    }
    .main-nav.open { display:flex; }
    .main-nav a { padding: 14px 16px; border-radius: 16px; width: 100%; text-align: center; font-size: 1rem; }
    .nav-cta { margin-top: 10px; text-align: center; }
    .menu-toggle { display:flex; }
    .hero h1 { font-size: 2.4rem; }
    .hero-buttons { flex-wrap: wrap; }
    .cta-banner { padding: 50px 20px; }
}

@media (max-width: 480px) {
    .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
    .footer-grid { grid-template-columns:1fr; text-align: center; }
    .footer-brand p { margin: 0 auto; }
    .hero-buttons { flex-direction:column; align-items: stretch; }
    .btn { justify-content: center; }
    .hero h1 { font-size: 2rem; }
    .hero-eyebrow { font-size: 0.75rem; }
    .category-card { padding: 28px 24px; }
    .cta-banner h2 { font-size: 1.6rem; }
    .stats-bar { gap: 10px; }
    .stat-item { padding: 20px 12px; }
}