:root {
      --main: #db2777;
      --accent: #f43f5e;
      --bg: #fff1f5;
      --text: #500724;
      --light-shadow: 0 10px 30px rgba(219, 39, 119, 0.12);
      --heavy-shadow: 0 20px 35px rgba(219, 39, 119, 0.25);
    }

    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      overflow-x: hidden;
    }

    /* 圆体感标题 */
    h1,h2,h3,.font-logo {
      font-weight: 800;
      letter-spacing: -0.02em;
      font-family: 'Inter', 'Segoe UI', cursive;
    }

    /* 渐变光晕背景 */
    .hero-glow {
      position: relative;
      overflow: hidden;
    }
    .hero-glow::before,
    .hero-glow::after {
      content: "";
      position: absolute;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(219,39,119,0.25) 0%, transparent 70%);
      border-radius: 50%;
      filter: blur(60px);
      z-index: 0;
    }
    .hero-glow::before { top: -50px; left: -80px; }
    .hero-glow::after { bottom: -80px; right: -50px; background: rgba(244,63,94,0.2); }

    .navbar-glass {
      background: rgba(255,255,255,0.7);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(219,39,119,0.2);
      box-shadow: 0 4px 20px rgba(219,39,119,0.08);
    }

    /* 瀑布流卡片 */
    .waterfall-card {
      background: white;
      border-radius: 32px;
      padding: 1.5rem;
      box-shadow: 0 8px 24px rgba(219,39,119,0.1);
      transition: transform 0.2s ease, box-shadow 0.3s;
      border: 1px solid rgba(255,255,255,0.6);
      position: relative;
      overflow: hidden;
    }
    .waterfall-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 35px rgba(219,39,119,0.25);
    }

    /* 左固定侧栏 */
    .side-layout {
      display: grid;
      grid-template-columns: 260px 1fr;
      gap: 2rem;
      max-width: 1500px;
      margin: 0 auto;
    }
    .sidebar-sticky {
      position: sticky;
      top: 100px;
      height: fit-content;
      border-radius: 40px;
      background: rgba(255,255,255,0.75);
      backdrop-filter: blur(8px);
      padding: 2rem 1.5rem;
      box-shadow: var(--heavy-shadow);
      border: 1px solid rgba(219,39,119,0.15);
    }

    /* 标签页切换 */
    .tab-pane {
      animation: fadeIn 0.3s ease;
    }
    @keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; }}

    /* 时间线 */
    .timeline {
      position: relative;
      padding-left: 30px;
    }
    .timeline::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 5px;
      height: 100%;
      width: 2px;
      background: linear-gradient(to bottom, var(--main), var(--accent));
      border-radius: 10px;
    }
    .timeline-item {
      position: relative;
      margin-bottom: 2rem;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -24px;
      top: 8px;
      width: 12px;
      height: 12px;
      background: white;
      border: 3px solid var(--main);
      border-radius: 50%;
    }

    /* 渐变文字 */
    .gradient-text {
      background: linear-gradient(135deg, #db2777, #f43f5e);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* 回到顶部 */
    #back-to-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 48px;
      height: 48px;
      border-radius: 30px;
      background: var(--main);
      color: white;
      border: none;
      box-shadow: 0 10px 25px rgba(219,39,119,0.4);
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      z-index: 999;
      font-size: 1.4rem;
    }
    #back-to-top.show {
      opacity: 1;
      visibility: visible;
    }

    /* 占位图渐显 */
    .img-placeholder {
      background: #fcd7e2;
      width: 100%;
      height: 140px;
      border-radius: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--main);
      font-weight: 600;
      background-image: linear-gradient(120deg, #ffe0eb 0%, #ffb3c8 100%);
      transition: opacity 0.3s;
    }

    /* 表格 */
    .compare-table td, .compare-table th {
      padding: 1rem 0.8rem;
      border-bottom: 1px solid rgba(219,39,119,0.1);
      background: rgba(255,255,255,0.7);
    }

    /* 导航栏文字 */
    .nav-link-custom {
      color: var(--text);
      font-weight: 600;
      margin: 0 0.5rem;
      transition: 0.15s;
      border-radius: 30px;
      padding: 0.4rem 1rem;
    }
    .nav-link-custom:hover {
      background: rgba(219,39,119,0.1);
      color: var(--main);
    }

    /* 返回顶部按钮 */
    .footer-links a {
      color: var(--text);
      text-decoration: none;
      margin-right: 1.5rem;
      font-weight: 500;
    }

    @media (max-width: 992px) {
      .side-layout { grid-template-columns: 1fr; }
      .sidebar-sticky { position: static; }
    }

    .lazy-img {
      opacity: 0;
      transition: opacity 0.5s ease;
    }
    .lazy-img.loaded { opacity: 1; }

/* --- 子页面追加 --- */
/* 本页专属补充样式 —— 让关于页更贴合品牌气质 */
        .about-hero {
            position: relative;
            background: linear-gradient(135deg, #fff1f5 0%, #ffe0ec 50%, #fecdd3 100%);
            padding: 80px 0 60px;
            overflow: hidden;
        }
.about-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(219,39,119,.08) 0%, transparent 70%);
            pointer-events: none;
        }
.about-hero .hero-glow {
            position: absolute;
            bottom: -10px;
            left: 10%;
            width: 300px;
            height: 80px;
            filter: blur(60px);
            background: var(--main);
            opacity: .15;
        }
.about-section {
            padding: 60px 0;
        }
.about-section.alt {
            background: rgba(219,39,119,.03);
            border-top: 1px solid rgba(219,39,119,.08);
            border-bottom: 1px solid rgba(219,39,119,.08);
        }
.about-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 32px 28px;
            height: 100%;
            box-shadow: var(--light-shadow);
            border: 1px solid rgba(219,39,119,.06);
            transition: transform .3s ease, box-shadow .3s ease;
        }
.about-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--heavy-shadow);
        }
.about-card i {
            font-size: 32px;
            color: var(--main);
            margin-bottom: 18px;
            display: inline-block;
        }
.about-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -.01em;
        }
.about-card p {
            font-size: .92rem;
            color: #831843;
            line-height: 1.7;
            margin-bottom: 0;
            font-weight: 400;
        }
.section-tag {
            display: inline-block;
            background: rgba(219,39,119,.1);
            color: var(--main);
            font-size: .75rem;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
        }
.about-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -.02em;
            line-height: 1.2;
            margin-bottom: 16px;
        }
.about-section .lead {
            font-size: 1.05rem;
            color: #831843;
            max-width: 640px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
.timeline-about {
            position: relative;
            padding-left: 32px;
        }
.timeline-about::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(to bottom, var(--main), var(--accent), transparent);
        }
.timeline-item-about {
            position: relative;
            margin-bottom: 40px;
        }
.timeline-item-about::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--main);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--main);
        }
.timeline-item-about .year {
            font-size: .8rem;
            font-weight: 700;
            color: var(--main);
            letter-spacing: .06em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }
.timeline-item-about h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
.timeline-item-about p {
            font-size: .93rem;
            color: #831843;
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 560px;
        }
.values-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.values-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(219,39,119,.1);
        }
.values-list li:last-child {
            border-bottom: none;
        }
.values-list i {
            font-size: 20px;
            color: var(--main);
            margin-top: 2px;
            flex-shrink: 0;
        }
.values-list strong {
            display: block;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
.values-list span {
            font-size: .9rem;
            color: #831843;
            line-height: 1.6;
        }
.quote-block {
            background: linear-gradient(135deg, rgba(219,39,119,.06) 0%, rgba(244,63,94,.04) 100%);
            border-left: 4px solid var(--main);
            border-radius: 0 12px 12px 0;
            padding: 24px 28px;
            margin: 40px 0;
        }
.quote-block p {
            font-size: 1.05rem;
            font-style: italic;
            color: var(--text);
            font-weight: 500;
            line-height: 1.7;
            margin-bottom: 8px;
        }
.quote-block footer {
            font-size: .85rem;
            color: var(--main);
            font-weight: 600;
        }
.about-cta {
            background: linear-gradient(135deg, var(--main) 0%, var(--accent) 100%);
            border-radius: 16px;
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            margin: 40px 0 0;
        }
.about-cta h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
        }
.about-cta p {
            font-size: 1rem;
            opacity: .95;
            margin-bottom: 24px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }
.about-cta .btn {
            background: #fff;
            color: var(--main);
            font-weight: 700;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: .95rem;
            transition: all .3s ease;
        }
.about-cta .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0,0,0,.15);
        }
.about-hero { padding: 60px 0 40px; }
.about-section { padding: 40px 0; }
.about-cta { padding: 36px 24px; }

/* --- 子页面追加 --- */
.guide-hero {
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
.guide-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(219, 39, 119, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
.guide-card {
            background: rgba(255, 255, 255, 0.75);
            border-radius: 16px;
            padding: 28px;
            border: 1px solid rgba(219, 39, 119, 0.12);
            transition: all 0.3s ease;
            height: 100%;
            box-shadow: 0 4px 15px rgba(219, 39, 119, 0.06);
        }
.guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--light-shadow);
            border-color: rgba(219, 39, 119, 0.25);
        }
.guide-card h4 {
            color: var(--main);
            font-weight: 700;
            margin-bottom: 12px;
        }
.guide-card .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--main), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            margin-bottom: 16px;
        }
.step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--main), var(--accent));
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            margin-right: 10px;
            flex-shrink: 0;
        }
.tip-box {
            background: linear-gradient(135deg, rgba(219, 39, 119, 0.08), rgba(244, 63, 94, 0.08));
            border-left: 4px solid var(--main);
            border-radius: 0 12px 12px 0;
            padding: 18px 24px;
            margin: 20px 0;
        }
.tip-box p {
            margin: 0;
            color: var(--text);
            font-size: 15px;
            line-height: 1.8;
        }
.tip-box i {
            color: var(--main);
            margin-right: 10px;
        }
.faq-item {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(219, 39, 119, 0.1);
            border-radius: 12px;
            padding: 20px 24px;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }
.faq-item:hover {
            border-color: rgba(219, 39, 119, 0.25);
            box-shadow: var(--light-shadow);
        }
.faq-item h5 {
            color: var(--main);
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 10px;
        }
.faq-item p {
            margin: 0;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
            opacity: 0.9;
        }
.shortcut-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
.shortcut-item {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(219, 39, 119, 0.1);
            border-radius: 10px;
            padding: 16px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }
.shortcut-item:hover {
            border-color: rgba(219, 39, 119, 0.3);
            transform: translateY(-2px);
        }
.shortcut-item kbd {
            background: linear-gradient(135deg, var(--main), var(--accent));
            color: #fff;
            border-radius: 6px;
            padding: 6px 14px;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 3px 8px rgba(219, 39, 119, 0.25);
        }
.shortcut-item span {
            display: block;
            margin-top: 10px;
            font-size: 14px;
            color: var(--text);
            opacity: 0.85;
        }

/* --- 子页面追加 --- */
.privacy-section {
            background: var(--bg);
            border-radius: 20px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--light-shadow);
        }
.privacy-section h2 {
            color: var(--main);
            font-weight: 700;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--main);
        }
.privacy-section p, .privacy-section li {
            color: var(--text);
            line-height: 1.8;
        }
.privacy-section ul {
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
.privacy-section li {
            margin-bottom: 0.75rem;
        }
.privacy-page-hero {
            padding: 3rem 0 2rem;
            text-align: center;
        }
.privacy-page-hero h1 {
            color: var(--main);
            font-weight: 800;
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
.privacy-page-hero p {
            color: var(--text);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }
.last-updated {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 2rem;
        }
.contact-info {
            background: linear-gradient(135deg, rgba(219,39,119,0.1), rgba(244,63,94,0.1));
            border-radius: 15px;
            padding: 1.5rem;
            margin-top: 1rem;
        }
.contact-info a {
            color: var(--main);
            font-weight: 600;
            text-decoration: none;
        }
.contact-info a:hover {
            color: var(--accent);
        }
.privacy-page-hero h1 {
                font-size: 1.8rem;
            }
.privacy-section {
                padding: 1.5rem;
            }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#500724 !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#500724 !important; }
.accordion-item { background:rgba(0,0,0,.03) !important; color:#500724 !important; border-color:rgba(0,0,0,.12) !important; }
.accordion-button { background:rgba(0,0,0,.03) !important; color:#500724 !important; }
.accordion-body { background:transparent !important; color:#500724 !important; }
.accordion-header { background:transparent !important; }
