:root{
    --main:#818cf8;
    --accent:#c084fc;
    --bg:#1e1b4b;
    --text:#e0e7ff;
    --radius-card:1.25rem;
    --radius-pill:3rem;
    --font-mono:'JetBrains Mono', 'Fira Code', monospace;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  body{
    background-color:var(--bg);
    color:var(--text);
    font-family:'Inter',sans-serif;
    overflow-x:hidden;
  }
  h1,h2,h3,.display-3{font-weight:900;letter-spacing:-0.02em;color:#fff;}
  .navbar{
    background:rgba(30, 27, 75, 0.75);
    backdrop-filter: blur(18px);
    border-bottom:1px solid rgba(129, 140, 248, 0.2);
    padding:0.8rem 0;
  }
  .navbar-brand{
    font-weight:900;
    font-size:1.6rem;
    color:#fff;
    letter-spacing:-0.03em;
    display:flex;
    align-items:center;
    gap:0.3rem;
  }
  .navbar-brand i{color:var(--accent);}
  .nav-link{
    color:#cbd5f0 !important;
    font-weight:500;
    margin:0 0.5rem;
    transition:0.2s;
  }
  .nav-link:hover{color:#fff !important;text-shadow:0 0 8px var(--main);}
  .btn{
    border-radius:var(--radius-pill);
    font-weight:600;
    padding:0.6rem 1.6rem;
    transition: all .35s ease;
    background-size:200% auto;
  }
  .btn-glow{
    background-image: linear-gradient(135deg, var(--main) 0%, var(--accent) 70%);
    border:none;
    color:#0e0b2c;
    font-weight:700;
    box-shadow:0 0 20px rgba(192,132,252,0.3);
  }
  .btn-glow:hover{
    background-position: right center;
    color:#fff;
    transform: scale(1.02);
    box-shadow:0 0 30px rgba(129,140,248,0.6);
  }
  .hero-section{
    min-height: 88vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    background:
      linear-gradient(0deg, rgba(30,27,75,0.65) 0%, rgba(30,27,75,0.85) 100%),
      url('{随机图片}') center/cover no-repeat;
    border-bottom-left-radius: 10% 8%;
    border-bottom-right-radius: 10% 8%;
    position:relative;
    overflow:hidden;
    box-shadow: 0 25px 40px -15px rgba(0,0,0,0.7);
  }
  .hero-section::after{
    content:'';
    position:absolute;
    bottom:-10px; left:0; right:0;
    height:100px;
    background:var(--bg);
    clip-path: polygon(0 40%, 100% 0%, 100% 100%, 0% 100%);
  }
  .hero-content{max-width:900px;padding:2rem;margin-top:2rem;position:relative;z-index:3;}
  .hero-badge{
    background:rgba(192,132,252,0.2);
    border:1px solid var(--accent);
    border-radius:var(--radius-pill);
    padding:0.3rem 1.2rem;
    font-size:0.85rem;
    letter-spacing:2px;
    color:#e9d5ff;
  }
  .hero-title{
    font-size: clamp(3.2rem, 9vw, 6rem);
    font-weight:900;
    line-height: 1.1;
    text-shadow: 0 8px 30px rgba(0,0,0,0.6);
    margin: 0.8rem 0;
  }
  .hero-subtitle{
    font-size: 1.2rem;
    color:#ccd6f6;
    max-width: 700px;
    margin: 1.5rem auto 2rem;
    font-weight:300;
  }
  .section-title{
    font-weight:900;
    font-size:2.6rem;
    margin-bottom:1.5rem;
    position:relative;
    display:inline-block;
  }
  .section-title::after{
    content:'';
    position:absolute;
    left:0; bottom:-8px; width:70%; height:6px;
    background: linear-gradient(90deg,var(--main),var(--accent));
    border-radius: 10px;
  }
  .card-custom{
    background:rgba(255,255,255,0.03);
    border:1px solid rgba(129,140,248,0.25);
    backdrop-filter: blur(4px);
    border-radius: var(--radius-card);
    padding:1.8rem 1.2rem;
    transition: 0.3s;
    box-shadow: 0 12px 24px -12px rgba(0,0,0,0.5);
    height:100%;
  }
  .card-custom:hover{
    border-color: var(--accent);
    transform: translateY(-8px);
    background:rgba(192,132,252,0.07);
  }
  .card-icon{
    font-size: 2.6rem;
    background: linear-gradient(145deg,var(--main),var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
  }
  .stat-number{
    font-family: var(--font-mono);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
  }
  .table-compare{
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: 0 20px 35px -10px rgba(0,0,0,0.6);
  }
  .table-compare th, .table-compare td{
    background:#231e52;
    border-color:#3f3a76 !important;
    padding: 1.1rem !important;
    color: var(--text);
  }
  .table-compare thead th{
    background:#2a2360;
    color:#fff;
    font-weight:700;
  }
  .step-item{
    display: flex;
    gap:1.2rem;
    align-items:flex-start;
    margin: 2rem 0;
  }
  .step-number{
    background: linear-gradient(145deg, var(--main), var(--accent));
    min-width: 3.2rem;
    height: 3.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.3rem;
    color: #1e1b4b;
    box-shadow: 0 0 0 5px rgba(192,132,252,0.15);
  }
  .faq-item{
    background: rgba(30,27,75,0.7);
    border:1px solid #4b4785;
    border-radius: 2rem;
    padding:1.4rem 1.8rem;
    margin-bottom:1.2rem;
    transition:0.2s;
  }
  .faq-item:hover{border-color: var(--accent);}
  .faq-question{font-weight:700;font-size:1.2rem;color:#fff;}
  .faq-answer{color:#cbd5f0;margin-top:0.6rem;}
  .cta-section{
    background: linear-gradient(120deg, #1e1b4b 0%, #312e81 100%);
    border-radius: 4rem;
    padding: 4rem 3rem;
    text-align:center;
    box-shadow:0 0 60px rgba(129,140,248,0.2);
  }
  .wave-divider{
    width:100%;
    height:120px;
    background: var(--bg);
    clip-path: polygon(0 30%, 100% 0%, 100% 100%, 0% 100%);
    margin-top:-3rem;
  }
  .footer-links a{
    color:#a5b4fc;
    text-decoration:none;
    margin:0 0.8rem;
    transition:0.2s;
  }
  .footer-links a:hover{color:#fff;}
  .back-to-top{
    position:fixed;
    bottom:2rem;
    right:2rem;
    background:var(--main);
    color:#0d0b26;
    width:48px;
    height:48px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.4rem;
    opacity:0;
    visibility:hidden;
    transition:0.3s;
    border:none;
    box-shadow:0 8px 25px rgba(129,140,248,0.5);
    z-index:999;
  }
  .back-to-top.show{
    opacity:1;
    visibility:visible;
  }
  .btn-reveal{
    opacity:0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
  }
  .btn-reveal.revealed{
    opacity:1;
    transform: translateY(0);
  }
  @media (max-width: 768px) {
    .hero-title{font-size:3.5rem;}
    .navbar-collapse{background: #211d4e; border-radius: 1rem; padding:1rem;}
    .section-title{font-size:2rem;}
  }

/* --- 子页面追加 --- */
/* 确保 bootstrap 组件不出现白底，如果站点css已覆盖可忽略，这里做防御 */
        .card, .card-body, .card-title, .card-text { background: transparent; color: var(--text); border: none; }
.list-group-item { background: transparent; color: var(--text); border-color: rgba(255,255,255,.1); }
/* 针对本页表格的微调 */
        .table-compare td, .table-compare th { color: var(--text); border-color: rgba(255,255,255,.15); }
/* 针对faq的微调 */
        .faq-item { background: rgba(255,255,255,.04); border-radius: 1rem; }
/* 覆盖导航栏高亮当前页 */
        .nav-link.active { color: var(--main) !important; font-weight: 600; }
/* 其他组件防御 */
        .form-control, .form-select { background: rgba(0,0,0,.2); color: var(--text); border-color: rgba(255,255,255,.2); }
.form-control::placeholder { color: rgba(255,255,255,.4); }

/* --- 子页面追加 --- */
/* 极少量本页专属微调，完全基于站点变量 */
        .subscribe-hero {
            background: radial-gradient(circle at 20% 30%, rgba(192, 132, 252, 0.15), transparent 50%), var(--bg);
            border-bottom: 1px solid rgba(129, 140, 248, 0.2);
        }
.highlight-badge {
            background: rgba(192, 132, 252, 0.15);
            color: var(--accent);
            border: 1px solid rgba(192, 132, 252, 0.3);
            border-radius: var(--radius-pill);
            padding: 0.3rem 1rem;
            font-weight: 500;
        }
.weekly-card {
            background: rgba(30, 27, 75, 0.6);
            border: 1px solid rgba(129, 140, 248, 0.2);
            border-radius: var(--radius-card);
            transition: all 0.2s ease;
        }
.weekly-card:hover {
            border-color: var(--main);
            transform: translateY(-4px);
            box-shadow: 0 10px 30px -10px rgba(129, 140, 248, 0.5);
        }
.subscribe-form input {
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(129, 140, 248, 0.3);
            color: var(--text);
            border-radius: var(--radius-pill);
            padding: 0.75rem 1.5rem;
        }
.subscribe-form input:focus {
            outline: none;
            border-color: var(--main);
            background: rgba(0, 0, 0, 0.4);
            color: #fff;
        }
.subscribe-form input::placeholder {
            color: rgba(224, 231, 255, 0.5);
        }
/* 覆盖 bootstrap 组件潜在白底 */
        .card, .card-body, .form-control, .list-group-item {
            background: transparent;
            color: var(--text);
            border-color: rgba(129, 140, 248, 0.2);
        }
.accordion-item {
            background: transparent;
            color: var(--text);
        }

/* --- 子页面追加 --- */
.privacy-hero {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, rgba(129,140,248,.15) 0%, transparent 50%);
        }
.privacy-content {
            background: rgba(255,255,255,.03);
            border: 1px solid rgba(129,140,248,.15);
            border-radius: var(--radius-card);
            padding: 2rem;
            margin-bottom: 2rem;
        }
.privacy-content h2 {
            color: var(--main);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            position: relative;
            padding-left: 1rem;
        }
.privacy-content h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 70%;
            background: var(--accent);
            border-radius: 2px;
        }
.privacy-content h3 {
            color: var(--accent);
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
.privacy-content p {
            color: var(--text);
            opacity: .85;
            line-height: 1.8;
            margin-bottom: 1rem;
        }
.privacy-content ul {
            color: var(--text);
            opacity: .85;
            line-height: 1.8;
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
.privacy-content li {
            margin-bottom: .5rem;
        }
.privacy-content strong {
            color: var(--main);
            font-weight: 600;
        }
.last-updated {
            color: var(--accent);
            font-size: .9rem;
            opacity: .7;
            margin-bottom: 2rem;
        }
.contact-block {
            background: rgba(129,140,248,.08);
            border: 1px solid rgba(129,140,248,.2);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            margin-top: 2rem;
        }
.contact-block i {
            color: var(--accent);
            margin-right: .5rem;
        }

/* --- 子页面追加 --- */
.disclaimer-content { max-width: 900px; margin: 0 auto; }
.disclaimer-section { margin-bottom: 3rem; }
.disclaimer-section h2 { margin-bottom: 1.5rem; }
.disclaimer-section p, .disclaimer-section li { line-height: 1.8; color: var(--text); opacity: 0.9; }
.disclaimer-section ul { padding-left: 1.5rem; }
.disclaimer-section li { margin-bottom: 0.8rem; }
.disclaimer-section strong { color: var(--main); }
.highlight-box { background: rgba(129, 140, 248, 0.08); border-left: 3px solid var(--main); padding: 1.2rem 1.5rem; border-radius: 0.75rem; margin: 1.5rem 0; }
.disclaimer-section { margin-bottom: 2rem; }
.disclaimer-section h2 { font-size: 1.4rem; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#e0e7ff !important; border-color:rgba(255,255,255,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#e0e7ff !important; }
.accordion-button { background:rgba(255,255,255,.04) !important; color:#e0e7ff !important; }
.accordion-body { background:transparent !important; color:#e0e7ff !important; }
.accordion-header { background:transparent !important; }
.accordion-button::after { filter: invert(1) grayscale(1) brightness(2); }