:root {
        --primary: #ea580c;
        --accent: #d97706;
        --bg: #fffbf5;
        --text: #1c1917;
        --card-bg: #ffffff;
        --shadow: 0 4px 20px rgba(234, 88, 12, 0.08);
        --radius: 18px;
        --pill-radius: 999px;
    }

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

    body {
        background-color: var(--bg);
        color: var(--text);
        font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        line-height: 1.75;
        font-weight: 400;
        overflow-x: hidden;
    }

    #scrollProgress {
        position: fixed;
        top: 0;
        left: 0;
        height: 3px;
        width: 0%;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        z-index: 10000;
        border-radius: 0 4px 4px 0;
        transition: width 0.1s ease;
    }

    .navbar {
        background: rgba(255, 251, 245, 0.85);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(234, 88, 12, 0.12);
        padding: 0.6rem 0;
    }

    .navbar-brand {
        font-weight: 900;
        font-size: 1.5rem;
        letter-spacing: -0.03em;
        color: var(--primary) !important;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .navbar-brand i { font-size: 1.4rem; }

    .nav-link {
        font-weight: 500;
        color: var(--text) !important;
        margin: 0 0.3rem;
        padding: 0.5rem 0.9rem !important;
        border-radius: var(--pill-radius);
        font-size: 0.95rem;
        transition: all 0.25s;
    }

    .nav-link:hover { color: var(--primary) !important; background: rgba(234, 88, 12, 0.08); }

    .hero {
        position: relative;
        min-height: 82vh;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        background: url('{随机图片}') center/cover no-repeat;
        isolation: isolate;
        margin-bottom: 3rem;
    }

    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(28, 25, 23, 0.55) 0%, rgba(28, 25, 23, 0.7) 100%);
        z-index: -1;
    }

    .hero-content { max-width: 850px; padding: 0 1.5rem; }

    .hero h1 {
        font-weight: 900;
        color: #ffffff;
        font-size: 3.4rem;
        letter-spacing: -0.02em;
        line-height: 1.2;
        margin-bottom: 1.5rem;
        text-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
    }

    .hero p.lead {
        color: rgba(255, 255, 255, 0.92);
        font-size: 1.25rem;
        margin-bottom: 2.2rem;
    }

    .btn-gradient {
        background: linear-gradient(135deg, var(--primary), var(--accent));
        color: #fff;
        font-weight: 600;
        padding: 0.8rem 2.2rem;
        border-radius: var(--pill-radius);
        border: none;
        position: relative;
        overflow: hidden;
        transition: transform 0.2s, box-shadow 0.2s;
        box-shadow: 0 4px 15px rgba(234, 88, 12, 0.3);
    }

    .btn-gradient::after {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
        transition: left 0.5s;
    }

    .btn-gradient:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(234, 88, 12, 0.4);
        color: #fff;
    }

    .btn-gradient:hover::after { left: 100%; }

    .section { padding: 4.5rem 0; }

    .section-tag {
        display: inline-block;
        background: rgba(234, 88, 12, 0.1);
        color: var(--primary);
        font-weight: 700;
        font-size: 0.8rem;
        letter-spacing: 0.06em;
        padding: 0.3rem 1rem;
        border-radius: var(--pill-radius);
        text-transform: uppercase;
        margin-bottom: 1rem;
    }

    .section-title {
        font-weight: 800;
        font-size: 2.2rem;
        letter-spacing: -0.02em;
        margin-bottom: 1rem;
        color: var(--text);
    }

    .section-sub { font-size: 1.05rem; color: #57534e; max-width: 680px; }

    .feature-card {
        background: var(--card-bg);
        border-radius: var(--radius);
        padding: 2rem 1.6rem;
        box-shadow: var(--shadow);
        border: 1px solid rgba(234, 88, 12, 0.06);
        transition: transform 0.25s, box-shadow 0.25s;
        height: 100%;
    }

    .feature-card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(234, 88, 12, 0.12); }

    .feature-card .icon-circle {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.5rem;
        margin-bottom: 1.2rem;
    }

    .feature-card h5 { font-weight: 700; margin-bottom: 0.6rem; }
    .feature-card p { font-size: 0.95rem; color: #57534e; margin-bottom: 0; }

    .comparison-wrap {
        background: var(--card-bg);
        border-radius: 24px;
        box-shadow: 0 8px 30px rgba(234, 88, 12, 0.08);
        padding: 2.5rem;
        border: 1px solid rgba(234, 88, 12, 0.08);
        overflow-x: auto;
    }

    .comparison-table {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
    }

    .comparison-table th, .comparison-table td {
        padding: 1.1rem 1.4rem;
        text-align: center;
        border-bottom: 1px solid #f0e8df;
        font-size: 0.95rem;
    }

    .comparison-table th {
        font-weight: 700;
        background: rgba(234, 88, 12, 0.05);
        color: var(--text);
        white-space: nowrap;
    }

    .comparison-table th:first-child { border-radius: 16px 0 0 0; text-align: left; }
    .comparison-table th:last-child { border-radius: 0 16px 0 0; }
    .comparison-table tr:last-child td { border-bottom: none; }

    .comparison-table td:first-child { text-align: left; font-weight: 600; }

    .comparison-table .highlight-col {
        background: rgba(234, 88, 12, 0.06);
        position: relative;
    }

    .comparison-table .highlight-col::before {
        content: '推荐';
        position: absolute;
        top: -0.6rem;
        left: 50%;
        transform: translateX(-50%);
        background: var(--primary);
        color: #fff;
        font-size: 0.7rem;
        font-weight: 700;
        padding: 0.15rem 0.8rem;
        border-radius: var(--pill-radius);
        letter-spacing: 0.05em;
    }

    .fa-check { color: var(--primary); font-weight: 700; }
    .fa-xmark { color: #a8a29e; opacity: 0.6; }

    .number-list {
        counter-reset: item;
        list-style: none;
        padding-left: 0;
        display: grid;
        gap: 1.5rem;
    }

    .number-list li {
        counter-increment: item;
        display: flex;
        gap: 1.2rem;
        align-items: flex-start;
        background: var(--card-bg);
        padding: 1.6rem 1.8rem;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        border: 1px solid rgba(234, 88, 12, 0.05);
        transition: transform 0.2s;
    }

    .number-list li:hover { transform: translateX(4px); }

    .number-list li::before {
        content: counter(item, decimal-leading-zero);
        font-family: 'JetBrains Mono', 'Fira Code', monospace;
        font-weight: 700;
        font-size: 1.3rem;
        color: var(--primary);
        background: rgba(234, 88, 12, 0.1);
        min-width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        flex-shrink: 0;
    }

    .number-list h6 { font-weight: 700; margin-bottom: 0.3rem; font-size: 1.05rem; }
    .number-list p { margin-bottom: 0; font-size: 0.95rem; color: #57534e; }

    .faq-item {
        background: var(--card-bg);
        border-radius: 16px;
        margin-bottom: 1rem;
        box-shadow: 0 3px 12px rgba(0,0,0,0.04);
        border: 1px solid rgba(234, 88, 12, 0.08);
        overflow: hidden;
    }

    .faq-question {
        padding: 1.2rem 1.5rem;
        font-weight: 600;
        font-size: 1.05rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        transition: background 0.2s;
        color: var(--text);
    }

    .faq-question:hover { background: rgba(234, 88, 12, 0.04); }
    .faq-question i { color: var(--primary); transition: transform 0.3s; }
    .faq-item.active .faq-question i { transform: rotate(180deg); }

    .faq-answer {
        padding: 0 1.5rem;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.3s;
        color: #57534e;
        font-size: 0.95rem;
    }

    .faq-item.active .faq-answer { padding: 0 1.5rem 1.3rem; max-height: 200px; }

    .cta-section {
        background: linear-gradient(135deg, rgba(234, 88, 12, 0.08), rgba(217, 119, 6, 0.1));
        border-radius: 28px;
        padding: 4rem 2rem;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(234, 88, 12, 0.15);
        filter: blur(60px);
        top: -100px;
        right: -100px;
    }

    .cta-section::after {
        content: '';
        position: absolute;
        width: 250px;
        height: 250px;
        border-radius: 50%;
        background: rgba(217, 119, 6, 0.15);
        filter: blur(70px);
        bottom: -80px;
        left: -80px;
    }

    .cta-section h2 { font-weight: 800; font-size: 2.2rem; margin-bottom: 1rem; position: relative; z-index: 1; }
    .cta-section p { color: #57534e; margin-bottom: 2rem; position: relative; z-index: 1; max-width: 560px; margin-left: auto; margin-right: auto; }

    .friend-links {
        background: #fef9f2;
        border: 1px solid rgba(234, 88, 12, 0.1);
        border-radius: 20px;
        padding: 2rem 2.5rem;
        margin-top: 4rem;
    }

    .friend-links h6 {
        font-weight: 700;
        margin-bottom: 1rem;
        color: var(--text);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .friend-links h6 i { color: var(--primary); }

    .friend-links .links-row {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        font-size: 0.9rem;
        color: #78716c;
    }

    footer {
        background: #1c1917;
        color: rgba(255,255,255,0.7);
        padding: 3rem 0 2rem;
        margin-top: 5rem;
    }

    footer h5 { color: #fff; font-weight: 700; margin-bottom: 1.2rem; }
    footer a { color: rgba(255,255,255,0.7); text-decoration: none; transition: color 0.2s; display: block; margin-bottom: 0.5rem; font-size: 0.9rem; }
    footer a:hover { color: var(--primary); }
    footer .copyright { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; margin-top: 2rem; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
    footer .copyright a { display: inline; margin-bottom: 0; color: rgba(255,255,255,0.5); }

    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

    @media (max-width: 768px) {
        .hero h1 { font-size: 2.4rem; }
        .hero { min-height: 65vh; }
        .section { padding: 3rem 0; }
        .comparison-table th, .comparison-table td { padding: 0.9rem 0.8rem; font-size: 0.85rem; }
        .comparison-wrap { padding: 1.2rem; }
        .number-list li { flex-direction: column; }
        .number-list li::before { margin-bottom: 0.8rem; }
    }

/* --- 子页面追加 --- */
/* 确保卡片/表单等组件遵循站点配色（如果组件库有干扰则覆盖） */
        .disclaimer-card, .disclaimer-card .card-body {
            background: var(--card-bg);
            color: var(--text);
            border: 1px solid rgba(234, 88, 12, 0.15);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
.disclaimer-card .card-title {
            color: var(--primary);
        }
.disclaimer-card .card-text, .disclaimer-card p {
            color: var(--text);
        }
.list-group-item {
            background: var(--card-bg);
            color: var(--text);
            border-color: rgba(234, 88, 12, 0.1);
        }
.disclaimer-section-title {
            color: var(--primary);
        }
/* 导航高亮当前页（免责声明） */
        .navbar-nav .nav-link.active {
            font-weight: 700;
            color: var(--primary) !important;
        }
/* 覆盖 Bootstrap 可能带来的白色背景 */
        .navbar, .navbar-collapse {
            background-color: transparent !important;
        }
.navbar-nav .nav-link {
            color: var(--text) !important;
        }
.navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--primary) !important;
        }
.navbar-toggler {
            border-color: rgba(234, 88, 12, 0.3);
        }
.navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(234, 88, 12, 0.8)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

/* --- 子页面追加 --- */
/* 页面级微调 —— 仅覆盖 guide 页特有细节，保持与首页视觉完全统一 */
        .guide-hero {
            background: linear-gradient(135deg, rgba(234, 88, 12, 0.08), rgba(217, 119, 6, 0.03));
            border-radius: var(--radius);
            padding: 3rem 2rem;
            margin-bottom: 2.5rem;
        }
.guide-hero .hero-content h1 {
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text);
        }
.guide-hero .hero-content p {
            color: #57534e;
            max-width: 720px;
        }
.step-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid rgba(234, 88, 12, 0.06);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            height: 100%;
        }
.step-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(234, 88, 12, 0.12);
        }
.step-card .step-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            opacity: 0.35;
            line-height: 1;
            margin-bottom: 0.75rem;
        }
.step-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.75rem;
        }
.step-card p {
            color: #57534e;
            font-size: 0.95rem;
            margin-bottom: 0;
        }
.pro-tip {
            background: rgba(234, 88, 12, 0.06);
            border-left: 4px solid var(--primary);
            padding: 1rem 1.25rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-top: 1.5rem;
            font-size: 0.95rem;
            color: #44403c;
        }
.pro-tip i {
            color: var(--primary);
            margin-right: 0.4rem;
        }
.checklist-item {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            padding: 0.6rem 0;
            border-bottom: 1px dashed rgba(0,0,0,0.06);
            font-size: 0.95rem;
            color: #292524;
        }
.checklist-item i {
            color: var(--primary);
            margin-top: 0.2rem;
            font-size: 1rem;
        }
.badge-soft {
            background: rgba(234, 88, 12, 0.1);
            color: var(--primary);
            font-weight: 600;
            padding: 0.2rem 0.75rem;
            border-radius: var(--pill-radius);
            font-size: 0.75rem;
            display: inline-block;
            margin-bottom: 0.5rem;
        }
.guide-section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text);
            margin-top: 2.5rem;
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
.guide-section-title i {
            color: var(--primary);
            font-size: 1.8rem;
        }
.guide-hero {
                padding: 2rem 1.25rem;
            }
.guide-section-title {
                font-size: 1.5rem;
            }