:root {
    --primary: #4f46e5;
    --accent: #7c3aed;
    --bg: #f5f3ff;
    --text: #1e1b4b;
    --card-bg: #ffffff;
    --radius-lg: 24px;
    --radius-md: 18px;
    --shadow: 0 10px 30px rgba(79, 70, 229, 0.12);
    --shadow-hover: 0 18px 40px rgba(124, 58, 237, 0.22);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.7;
    background-image: radial-gradient(circle at 20% 30%, rgba(79, 70, 229, 0.05) 0%, transparent 40%),
                      radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.05) 0%, transparent 40%);
}

/* 点阵背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(79, 70, 229, 0.08) 1px, transparent 1px);
    background-size: 32px 32px;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
}

/* 导航栏 */
.navbar-custom {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.4s ease;
    padding: 14px 0;
    border-bottom: 1px solid rgba(79, 70, 229, 0.06);
}

.navbar-scrolled {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 8px 32px rgba(31, 27, 75, 0.08);
    padding: 10px 0;
}

.navbar-brand {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--text);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.navbar-brand:hover {
    color: var(--primary);
}

.nav-link {
    font-weight: 600;
    color: var(--text);
    margin: 0 6px;
    padding: 8px 16px !important;
    border-radius: 50px;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(79, 70, 229, 0.08);
}

.navbar-toggler {
    border: 2px solid var(--primary);
    border-radius: 12px;
    padding: 6px 10px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Hero 区块 */
.hero-section {
    padding: 100px 0 80px;
    position: relative;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.04) 0%, rgba(124, 58, 237, 0.06) 100%);
    border-bottom: 1px solid rgba(79, 70, 229, 0.08);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 28px;
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.25);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin: 40px 0 32px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: left;
}

.hero-stat-number {
    font-size: 3.2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.hero-stat-label {
    font-size: 0.9rem;
    color: #6b7280;
    font-weight: 500;
    margin-top: 4px;
}

.hero-title {
    font-size: 3.6rem;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    color: var(--text);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #6b7280;
    max-width: 560px;
    margin-bottom: 36px;
    font-weight: 400;
    line-height: 1.8;
}

.btn-hero {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 12px 28px rgba(79, 70, 229, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(79, 70, 229, 0.4);
    color: white;
}

.btn-hero:hover::after {
    left: 150%;
}

.btn-outline-hero {
    background: transparent;
    color: var(--text);
    border: 2px solid rgba(79, 70, 229, 0.3);
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 600;
    transition: all 0.4s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-outline-hero:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
    transform: translateY(-2px);
}

.hero-image-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    transform: rotate(2deg);
    transition: transform 0.4s ease;
}

.hero-image-wrap:hover {
    transform: rotate(0deg) scale(1.02);
}

.hero-image-wrap img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

.hero-image-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    padding: 10px 18px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* 通用区块 */
.section {
    padding: 80px 0;
}

.section-label {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    background: rgba(79, 70, 229, 0.08);
    padding: 6px 16px;
    border-radius: 50px;
}

.section-title {
    font-size: 2.6rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-desc {
    font-size: 1.05rem;
    color: #6b7280;
    max-width: 640px;
    margin-bottom: 40px;
    line-height: 1.8;
}

/* 卡片网格 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    border: 1px solid rgba(79, 70, 229, 0.06);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.4s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(79,70,229,0.1), rgba(124,58,237,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text);
}

.feature-card p {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* FAQ 折叠 */
.faq-wrap {
    max-width: 780px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid rgba(79, 70, 229, 0.05);
}

.faq-question {
    padding: 24px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    transition: background 0.3s;
    user-select: none;
}

.faq-question:hover {
    background: rgba(79, 70, 229, 0.02);
}

.faq-question i {
    transition: transform 0.4s;
    color: var(--primary);
    font-size: 1.1rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    padding: 0 28px;
    color: #6b7280;
    line-height: 1.8;
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 28px 24px;
}

/* 介绍区块 */
.about-section {
    background: linear-gradient(135deg, rgba(79,70,229,0.03), rgba(124,58,237,0.05));
}

.steps-wrap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
    margin-top: 40px;
}

.step-item {
    text-align: center;
    padding: 36px 24px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: transform 0.4s;
    position: relative;
}

.step-item:hover {
    transform: translateY(-6px);
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-weight: 800;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    box-shadow: 0 8px 16px rgba(79, 70, 229, 0.3);
}

.step-item h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-item p {
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* CTA 区块 */
.cta-section {
    padding: 80px 0;
    position: relative;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(79, 70, 229, 0.3);
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-box h2 {
    color: white;
    font-size: 2.4rem;
    font-weight: 900;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta-box p {
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.btn-cta {
    background: white;
    color: var(--primary);
    border: none;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all 0.4s;
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.2);
    color: var(--accent);
}

/* 友情链接 */
.friend-links {
    padding: 50px 0 40px;
    background: var(--card-bg);
    border-top: 1px solid rgba(79, 70, 229, 0.06);
    border-bottom: 1px solid rgba(79, 70, 229, 0.06);
}

.friend-links h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.friend-links h4 i {
    color: var(--primary);
}

.friend-links-content {
    font-size: 0.95rem;
    color: #6b7280;
    line-height: 2.2;
}

.friend-links-content a {
    color: var(--primary);
    text-decoration: none;
    margin-right: 20px;
    font-weight: 500;
    transition: color 0.3s;
}

.friend-links-content a:hover {
    color: var(--accent);
}

/* 页脚 */
.footer {
    background: var(--text);
    color: rgba(255,255,255,0.7);
    padding: 50px 0 30px;
}

.footer-brand {
    font-size: 1.6rem;
    font-weight: 900;
    color: white;
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 360px;
}

.footer-title {
    color: white;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    margin-top: 40px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 28px rgba(79, 70, 229, 0.5);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.4rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .hero-stats {
        gap: 20px;
    }
    .hero-stat-number {
        font-size: 2.2rem;
    }
    .navbar-collapse {
        background: white;
        border-radius: 16px;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        margin-top: 12px;
    }
}

/* --- 子页面追加 --- */
/* 保证Bootstrap组件不破坏深色/浅色设计 —— 覆盖成站点卡片风格 */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer {
            background: var(--card-bg);
            color: var(--text);
            border-color: rgba(79,70,229,0.15);
        }
.form-control, .form-select, .form-label, .input-group-text {
            background: rgba(255,255,255,0.7);
            color: var(--text);
            border-color: rgba(79,70,229,0.2);
        }
.form-control::placeholder { color: rgba(30,27,75,0.4); }
.table, .list-group-item, .accordion-item, .accordion-button, .accordion-body {
            background: var(--card-bg);
            color: var(--text);
            border-color: rgba(79,70,229,0.15);
        }
.modal-content, .modal-header, .modal-body, .dropdown-menu, .dropdown-item {
            background: var(--card-bg);
            color: var(--text);
            border-color: rgba(79,70,229,0.15);
        }
.nav-link, .navbar, .navbar-brand { color: var(--text); }
.btn-light { background: rgba(79,70,229,0.08); color: var(--text); border-color: transparent; }
.btn-outline-light { border-color: rgba(79,70,229,0.4); color: var(--text); }
/* 本页小优化：加强可读性 */
        .section-disclaimer {
            background: var(--bg);
        }
.disclaimer-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 2rem 2.2rem;
            transition: box-shadow .3s;
        }
.disclaimer-card:hover {
            box-shadow: var(--shadow-hover);
        }
.disclaimer-icon {
            width: 50px;
            height: 50px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(79,70,229,0.08);
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }
.footer-link-custom a {
            color: var(--text);
            opacity: 0.7;
            text-decoration: none;
            margin-right: 1.2rem;
            transition: opacity .2s;
        }
.footer-link-custom a:hover {
            opacity: 1;
            color: var(--primary);
        }
/* 保证导航当前页高亮 */
        .navbar .nav-link.active-nav {
            font-weight: 600;
            color: var(--primary) !important;
            border-bottom: 2px solid var(--primary);
        }
.navbar .nav-link.active-nav {
                border-bottom: none;
                background: rgba(79,70,229,0.05);
                border-radius: 30px;
            }

/* --- 子页面追加 --- */
/* 页面专属补充样式 */
        .join-hero {
            background: linear-gradient(135deg, var(--bg) 0%, #ede9fe 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
.join-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
.join-hero-content {
            max-width: 700px;
        }
.join-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
.join-title {
            font-size: 42px;
            font-weight: 900;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 20px;
        }
.join-title span {
            color: var(--primary);
        }
.join-subtitle {
            font-size: 17px;
            color: #6b7280;
            line-height: 1.8;
            margin-bottom: 30px;
        }
.join-cta-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
.join-stat-row {
            display: flex;
            gap: 40px;
            border-top: 1px solid rgba(79, 70, 229, 0.1);
            padding-top: 30px;
            margin-top: 10px;
        }
.join-stat-item {
            text-align: center;
        }
.join-stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
.join-stat-label {
            font-size: 13px;
            color: #6b7280;
            margin-top: 4px;
        }
/* 内容卡片样式 */
        .join-section {
            padding: 70px 0;
        }
.join-section-alt {
            background: #fff;
            padding: 70px 0;
        }
.join-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            border: 1px solid rgba(79, 70, 229, 0.06);
        }
.join-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
.join-card-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
            margin-bottom: 20px;
        }
.join-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
.join-card p {
            font-size: 15px;
            color: #6b7280;
            line-height: 1.7;
            margin-bottom: 0;
        }
/* 流程样式 */
        .step-item {
            display: flex;
            gap: 20px;
            margin-bottom: 25px;
        }
.step-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
.step-content p {
            font-size: 14px;
            color: #6b7280;
            line-height: 1.6;
            margin-bottom: 0;
        }
/* 原则列表 */
        .principle-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.principle-list li {
            display: flex;
            gap: 15px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(79, 70, 229, 0.08);
            align-items: flex-start;
        }
.principle-list li:last-child {
            border-bottom: none;
        }
.principle-list i {
            color: var(--primary);
            font-size: 18px;
            margin-top: 3px;
            flex-shrink: 0;
        }
.principle-list strong {
            color: var(--text);
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
        }
.principle-list span {
            color: #6b7280;
            font-size: 14px;
            line-height: 1.6;
        }
/* FAQ 样式 */
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 16px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(79, 70, 229, 0.06);
        }
/* 联系区域 */
        .contact-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: var(--radius-lg);
            padding: 50px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
.contact-box::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
        }
.contact-box h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 15px;
            color: #fff;
        }
.contact-box p {
            font-size: 16px;
            margin-bottom: 30px;
            color: rgba(255,255,255,0.85);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
.btn-contact {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary);
            padding: 14px 35px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            text-decoration: none;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }
.btn-contact:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.25);
            color: var(--primary);
        }
.join-hero {
                padding: 50px 0 40px;
            }
.join-title {
                font-size: 30px;
            }
.join-subtitle {
                font-size: 15px;
            }
.join-stat-row {
                gap: 20px;
            }
.contact-box {
                padding: 35px 20px;
            }
.contact-box h2 {
                font-size: 24px;
            }

/* --- 子页面追加 --- */
.guide-hero {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            padding: 80px 0 60px;
            text-align: center;
            color: #fff;
        }
.guide-hero .container {
            max-width: 900px;
        }
.guide-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: #fff;
        }
.guide-hero p {
            font-size: 1.15rem;
            opacity: 0.9;
            line-height: 1.8;
        }
.guide-section {
            padding: 60px 0;
        }
.guide-section-alt {
            background: var(--bg);
        }
.guide-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 35px 30px;
            box-shadow: var(--shadow);
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(79, 70, 229, 0.08);
        }
.guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
.guide-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: #fff;
            font-size: 1.4rem;
        }
.guide-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
.guide-card p {
            color: #5a5a7a;
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
.step-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.step-list li {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(79, 70, 229, 0.1);
        }
.step-list li:last-child {
            border-bottom: none;
        }
.step-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
        }
.tip-box {
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), rgba(124, 58, 237, 0.06));
            border-left: 4px solid var(--primary);
            border-radius: 12px;
            padding: 20px 24px;
            margin: 24px 0;
        }
.tip-box p {
            margin-bottom: 0;
            color: var(--text);
            font-size: 0.95rem;
            line-height: 1.7;
        }
.tip-box .tip-title {
            font-weight: 700;
            color: var(--primary);
            display: block;
            margin-bottom: 6px;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
.toc-box {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 28px 30px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
.toc-box h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }
.toc-box a {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.95rem;
            line-height: 2.2;
            display: block;
            transition: color 0.2s;
        }
.toc-box a:hover {
            color: var(--accent);
        }
.toc-box a i {
            margin-right: 8px;
            font-size: 0.8rem;
            color: var(--accent);
        }
.guide-hero h1 {
                font-size: 2rem;
            }
.guide-hero p {
                font-size: 1rem;
            }
.guide-card {
                padding: 25px 20px;
            }

/* --- 子页面追加 --- */
/* 隐私政策页专属样式 */
        .privacy-hero {
            background: linear-gradient(135deg, var(--bg) 0%, rgba(124, 58, 237, 0.1) 100%);
            padding: 100px 0 60px;
            border-bottom: 1px solid rgba(79, 70, 229, 0.1);
        }
.privacy-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 1.2rem;
            line-height: 1.2;
        }
.privacy-hero .privacy-hero-sub {
            font-size: 1.1rem;
            color: rgba(30, 27, 75, 0.7);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }
.privacy-content {
            padding: 60px 0;
        }
.privacy-section {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(79, 70, 229, 0.08);
            transition: box-shadow 0.3s ease;
        }
.privacy-section:hover {
            box-shadow: var(--shadow-hover);
        }
.privacy-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }
.privacy-section h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 1rem;
        }
.privacy-section p, .privacy-section li {
            color: rgba(30, 27, 75, 0.8);
            line-height: 1.9;
            margin-bottom: 1rem;
        }
.privacy-section ul {
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
.privacy-section ul li {
            margin-bottom: 0.6rem;
            position: relative;
        }
.privacy-section ul li::before {
            content: "🍉";
            position: absolute;
            left: -1.8rem;
            top: 0;
            font-size: 0.9rem;
        }
.privacy-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 2rem;
        }
.privacy-badge i {
            color: var(--accent);
        }
.privacy-note {
            background: rgba(124, 58, 237, 0.05);
            border-left: 4px solid var(--accent);
            padding: 20px 24px;
            border-radius: 12px;
            margin-top: 1.5rem;
        }
.privacy-note p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }
.privacy-update {
            text-align: center;
            padding: 20px;
            color: rgba(30, 27, 75, 0.6);
            font-size: 0.9rem;
            margin-top: 40px;
        }
.privacy-hero h1 {
                font-size: 2rem;
            }
.privacy-section {
                padding: 25px;
            }