:root {
        --primary: #db2777;
        --accent: #f43f5e;
        --bg: #fff1f5;
        --text: #500724;
        --shadow-sm: 0 8px 20px rgba(219, 39, 119, 0.12);
        --shadow-lg: 0 18px 45px rgba(219, 39, 119, 0.25);
        --gradient-gloss: linear-gradient(145deg, rgba(255,255,255,0.6) 0%, rgba(255,255,255,0) 60%);
        --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    }

    body {
        background-color: var(--bg);
        color: var(--text);
        font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        font-weight: 400;
        line-height: 1.6;
        position: relative;
    }

    body::before {
        content: "";
        position: fixed;
        top: 0; left: 0; width: 100%; height: 100%;
        background-image: var(--noise);
        opacity: 0.03;
        pointer-events: none;
        z-index: 9999;
    }

    h1, h2, h3, h4, .display-strong {
        font-weight: 800;
        letter-spacing: -0.01em;
        color: var(--text);
    }

    .navbar {
        background-color: rgba(255, 241, 245, 0.8);
        backdrop-filter: blur(12px);
        box-shadow: 0 6px 20px rgba(80, 7, 36, 0.05);
        padding: 1rem 0;
        z-index: 1000;
    }

    .navbar-brand {
        font-weight: 900;
        font-size: 1.75rem;
        color: var(--primary) !important;
        text-shadow: 0 2px 8px rgba(219, 39, 119, 0.3);
        display: flex;
        align-items: center;
        gap: 0.45rem;
    }

    .navbar-brand i {
        color: var(--primary);
        font-size: 1.8rem;
    }

    .navbar-nav .nav-link {
        font-weight: 500;
        color: var(--text);
        margin: 0 0.5rem;
        padding: 0.5rem 0.75rem !important;
        border-radius: 40px;
        transition: 0.2s;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background-color: rgba(219, 39, 119, 0.12);
        color: var(--primary);
    }

    .btn-brand {
        background: var(--primary);
        color: white;
        border: none;
        padding: 0.65rem 1.6rem;
        border-radius: 60px;
        font-weight: 600;
        box-shadow: 0 6px 0 #a01c5a, 0 10px 20px rgba(219,39,119,0.25);
        transition: 0.15s ease;
    }

    .btn-brand:hover {
        background: #c0246c;
        box-shadow: 0 4px 0 #8e1650, 0 8px 18px rgba(219,39,119,0.3);
        transform: translateY(2px);
        color: white;
    }

    .btn-outline-brand {
        border: 2px solid var(--primary);
        color: var(--primary);
        background: transparent;
        font-weight: 600;
        border-radius: 60px;
        padding: 0.6rem 1.5rem;
        transition: 0.2s;
    }

    .btn-outline-brand:hover {
        background: var(--primary);
        color: white;
    }

    .hero-section {
        padding: 3rem 0 4rem;
        position: relative;
        background: radial-gradient(circle at 10% 30%, #ffd3e2 0%, transparent 50%),
                    radial-gradient(circle at 90% 70%, #ffcad9 0%, transparent 40%);
    }

    .hero-section::after {
        content: "";
        position: absolute;
        top: 0; left: 0; width: 100%; height: 100%;
        background-image: var(--noise);
        opacity: 0.03;
        pointer-events: none;
    }

    .keyword-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 0.7rem 1rem;
        justify-content: center;
        margin: 1.5rem 0 2rem;
        position: relative;
        z-index: 2;
    }

    .keyword-tag {
        background: white;
        padding: 0.5rem 1.2rem;
        border-radius: 50px;
        font-weight: 600;
        color: var(--text);
        box-shadow: var(--shadow-sm);
        border: 1px solid #ffd7e2;
        transition: 0.2s;
        font-size: 0.95rem;
    }

    .keyword-tag:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 20px rgba(219,39,119,0.18);
        border-color: var(--primary);
    }

    .hero-title {
        font-size: 3.8rem;
        font-weight: 900;
        line-height: 1.2;
        text-shadow: 0 8px 16px rgba(219,39,119,0.2);
        position: relative;
        z-index: 2;
    }

    .card-feature {
        background: rgba(255,255,255,0.85);
        backdrop-filter: blur(4px);
        border-radius: 28px;
        box-shadow: var(--shadow-lg), var(--gradient-gloss);
        border: 1px solid rgba(255,255,255,0.6);
        padding: 1.8rem 1.5rem;
        transition: 0.2s;
        height: 100%;
        position: relative;
        overflow: hidden;
    }

    .card-feature i {
        font-size: 2.2rem;
        color: var(--primary);
        filter: drop-shadow(0 4px 6px rgba(219,39,119,0.2));
    }

    .card-feature h3 {
        font-weight: 700;
        margin-top: 1rem;
        font-size: 1.4rem;
    }

    .card-feature:hover {
        transform: translateY(-6px);
        box-shadow: 0 24px 40px rgba(219,39,119,0.25);
    }

    .timeline-section {
        padding: 3rem 0 4rem;
    }

    .timeline-wrapper {
        position: relative;
        display: flex;
        flex-direction: column;
        gap: 2rem;
        margin-top: 2rem;
    }

    .timeline-item {
        display: flex;
        gap: 1.2rem;
        position: relative;
        padding-left: 2rem;
    }

    .timeline-item::before {
        content: "";
        position: absolute;
        left: 0;
        top: 5px;
        width: 14px;
        height: 14px;
        background: var(--primary);
        border-radius: 50%;
        box-shadow: 0 0 0 4px rgba(219,39,119,0.2);
    }

    .timeline-item:not(:last-child)::after {
        content: "";
        position: absolute;
        left: 6px;
        top: 30px;
        width: 2px;
        height: calc(100% + 10px);
        background: #ffc0cf;
    }

    .timeline-content {
        background: white;
        border-radius: 18px;
        padding: 1.2rem 1.6rem;
        box-shadow: var(--shadow-sm);
        flex: 1;
    }

    .img-hover-zoom {
        overflow: hidden;
        border-radius: 18px;
        box-shadow: var(--shadow-sm);
    }

    .img-hover-zoom img {
        transition: transform 0.4s ease;
        width: 100%;
        height: auto;
        display: block;
    }

    .img-hover-zoom:hover img {
        transform: scale(1.05);
    }

    .img-overlay {
        position: relative;
    }

    .img-overlay .overlay-text {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: linear-gradient(to top, rgba(80,7,36,0.85), transparent);
        color: white;
        padding: 2rem 1rem 1rem;
        opacity: 0;
        transition: 0.3s;
        font-weight: 500;
        text-align: center;
    }

    .img-overlay:hover .overlay-text {
        opacity: 1;
    }

    .tabs-nav .nav-link {
        font-weight: 600;
        color: var(--text);
        border: none;
        background: transparent;
        padding: 0.5rem 1.4rem;
        border-radius: 40px;
    }

    .tabs-nav .nav-link.active {
        background: var(--primary);
        color: white;
        box-shadow: 0 4px 12px rgba(219,39,119,0.3);
    }

    .faq-item {
        background: white;
        border-radius: 28px;
        padding: 1.5rem 2rem;
        box-shadow: var(--shadow-sm);
        border: 1px solid #ffe2ec;
        margin-bottom: 1.2rem;
    }

    .faq-item h5 {
        font-weight: 700;
        color: var(--text);
    }

    .footer {
        background-color: #fbdbe6;
        padding: 2.5rem 0 1.5rem;
        margin-top: 3rem;
        border-top: 2px solid #ffc0d0;
    }

    .footer a {
        color: var(--text);
        text-decoration: none;
        font-weight: 500;
    }

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

    .back-to-top {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 48px;
        height: 48px;
        background: var(--primary);
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        box-shadow: 0 10px 20px rgba(219,39,119,0.4);
        opacity: 0;
        visibility: hidden;
        transition: 0.3s;
        border: none;
        z-index: 3000;
    }

    .back-to-top.show {
        opacity: 1;
        visibility: visible;
    }

    .back-to-top:hover {
        background: #c0246c;
    }

    .hero-parallax {
        background-attachment: fixed;
        background-position: center;
        background-size: cover;
    }

    .friend-links {
        background: #fff1f5;
        border-radius: 60px;
        padding: 2.5rem 2rem;
        margin-top: 2rem;
        border: 1px solid #ffd3df;
    }

    @media (max-width: 768px) {
        .hero-title {
            font-size: 2.5rem;
        }
        .navbar-collapse {
            background: rgba(255,241,245,0.95);
            padding: 1rem;
            border-radius: 20px;
            margin-top: 0.5rem;
        }
    }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .about-hero {
            background: linear-gradient(135deg, var(--bg) 0%, #ffe0ec 100%);
            padding: 100px 0 60px;
            position: relative;
            overflow: hidden;
        }
.about-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(219,39,119,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
.about-hero .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            position: relative;
        }
.about-hero .hero-title span {
            color: var(--primary);
        }
.about-hero p {
            color: #8b2e5c;
            font-size: 1.1rem;
            max-width: 600px;
            position: relative;
        }
.about-section {
            padding: 60px 0;
        }
.about-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 25px;
            position: relative;
            padding-left: 18px;
        }
.about-section h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            width: 5px;
            height: 24px;
            background: var(--primary);
            border-radius: 3px;
        }
.about-section p {
            color: #6b2a4d;
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }
.feature-card {
            background: rgba(255,255,255,0.7);
            border: 1px solid rgba(219,39,119,0.1);
            border-radius: 16px;
            padding: 28px;
            transition: all 0.3s ease;
            height: 100%;
        }
.feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-sm);
            background: rgba(255,255,255,0.9);
        }
.feature-card .icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
.feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
.feature-card p {
            font-size: 0.9rem;
            color: #7a3d5e;
            line-height: 1.7;
            margin: 0;
        }
.story-content {
            background: rgba(255,255,255,0.5);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid rgba(219,39,119,0.1);
        }
.story-content p {
            color: #6b2a4d;
        }
.story-content strong {
            color: var(--primary);
        }
.update-card {
            background: linear-gradient(135deg, rgba(219,39,119,0.08), rgba(244,63,94,0.05));
            border: 1px solid rgba(219,39,119,0.15);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            transition: all 0.3s ease;
        }
.update-card:hover {
            box-shadow: var(--shadow-sm);
        }
.update-card .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }
.update-card .label {
            font-size: 0.9rem;
            color: #7a3d5e;
            font-weight: 500;
        }
.vision-box {
            background: var(--text);
            border-radius: 20px;
            padding: 35px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
.vision-box::after {
            content: '';
            position: absolute;
            bottom: -30px;
            right: -30px;
            width: 150px;
            height: 150px;
            background: rgba(219,39,119,0.3);
            border-radius: 50%;
        }
.vision-box h2 {
            color: #fff;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
.vision-box p {
            color: rgba(255,255,255,0.85);
            line-height: 1.8;
            margin: 0;
        }

/* --- 子页面追加 --- */
.disclaimer-hero {
            background: linear-gradient(135deg, var(--bg) 0%, #ffe4ef 100%);
            padding: 80px 0 50px;
            position: relative;
            overflow: hidden;
        }
.disclaimer-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(219,39,119,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
.disclaimer-hero .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text);
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }
.disclaimer-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(80, 7, 36, 0.7);
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
.disclaimer-card {
            background: #fff;
            border-radius: 24px;
            padding: 35px 40px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(219, 39, 119, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
        }
.disclaimer-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
.disclaimer-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }
.disclaimer-card h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.disclaimer-card h2 i {
            color: var(--primary);
            font-size: 1.3rem;
        }
.disclaimer-card p, .disclaimer-card li {
            color: rgba(80, 7, 36, 0.8);
            line-height: 1.8;
            font-size: 0.95rem;
        }
.disclaimer-card ul {
            padding-left: 20px;
        }
.disclaimer-card li {
            margin-bottom: 8px;
        }
.highlight-box {
            background: linear-gradient(135deg, rgba(219,39,119,0.08), rgba(244,63,94,0.05));
            border-left: 4px solid var(--primary);
            padding: 20px 25px;
            border-radius: 0 16px 16px 0;
            margin: 20px 0;
        }
.highlight-box p {
            margin-bottom: 0;
            font-style: italic;
        }
.update-date {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 25px;
        }
.disclaimer-hero {
                padding: 60px 0 40px;
            }
.disclaimer-hero .hero-title {
                font-size: 2rem;
            }
.disclaimer-card {
                padding: 25px 20px;
            }

/* --- 子页面追加 --- */
/* 隐私政策页面专属微调 */
        .privacy-hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #fff;
            padding: 5rem 0 3rem;
            position: relative;
            overflow: hidden;
        }
.privacy-hero::after {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: var(--noise);
            opacity: 0.15;
            pointer-events: none;
        }
.privacy-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            text-shadow: 0 4px 15px rgba(0,0,0,0.2);
            position: relative;
            z-index: 1;
        }
.privacy-hero p {
            font-size: 1.2rem;
            opacity: 0.95;
            position: relative;
            z-index: 1;
        }
.privacy-section {
            padding: 3rem 0;
        }
.privacy-section h2 {
            color: var(--primary);
            font-weight: 800;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }
.privacy-section h3 {
            color: var(--text);
            font-weight: 700;
            font-size: 1.3rem;
            margin-top: 1.5rem;
            margin-bottom: 1rem;
        }
.privacy-card {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            margin-bottom: 1.5rem;
            border-left: 5px solid var(--primary);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.privacy-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
.privacy-card p, .privacy-card li {
            color: #6b213a;
            line-height: 1.8;
        }
.privacy-card ul {
            padding-left: 1.5rem;
            margin-top: 0.75rem;
        }
.privacy-card li {
            margin-bottom: 0.5rem;
        }
.privacy-list-group {
            list-style: none;
            padding: 0;
        }
.privacy-list-group li {
            background: #fff;
            border-radius: 10px;
            padding: 1rem 1.5rem;
            margin-bottom: 0.75rem;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--accent);
            color: #6b213a;
            transition: all 0.3s ease;
        }
.privacy-list-group li:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-lg);
        }
.privacy-list-group li i {
            color: var(--primary);
            margin-right: 0.75rem;
        }
.privacy-badge {
            background: var(--primary);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 0.5rem;
        }
.privacy-highlight {
            background: linear-gradient(135deg, rgba(219,39,119,0.1) 0%, rgba(244,63,94,0.1) 100%);
            border: 2px solid var(--primary);
            border-radius: 16px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
.privacy-highlight h4 {
            color: var(--primary);
            font-weight: 700;
        }
.privacy-highlight p {
            color: var(--text);
        }
.privacy-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(219,39,119,0.1);
            color: var(--primary);
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
.privacy-updated i {
            font-size: 1rem;
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.form-control { background:#fff !important; color:#500724 !important; border-color:rgba(0,0,0,.12) !important; }
.form-control::placeholder { color: rgba(0,0,0,.4) !important; }