/* 樱雪坊 主题 - 基于 allaboutjan.com 视觉风格 */
:root {
    --ajan-primary: #530725;
    --ajan-primary-dark: #290310;
    --ajan-accent: #f472b6;
    --ajan-bg: #ffffff;
    --ajan-sub-bg: #f8f9fa;
    --ajan-text: #2c3e50;
    --ajan-text2: #4e5969;
    --ajan-border: #e5e7eb;
    --ajan-gradient1: #fce7f3;
    --ajan-gradient2: #fdf2f8;
    --ajan-dark1: #290310;
    --ajan-dark2: #530725;
    --ajan-hero-grad: linear-gradient(135deg, #530725, #f472b6);
    --ajan-about-grad: linear-gradient(135deg, #530725, #290310);
    --ajan-functions-grad: linear-gradient(to bottom, #fdf2f8, #fce7f3);
    --ajan-security-grad: linear-gradient(135deg, #fdfdfd, #e6ecf3);
    --ajan-reviews-grad: linear-gradient(135deg, #530725, #290310);
    --ajan-app-grad: linear-gradient(135deg, #530725, #f472b6);
    --ajan-footer-grad: linear-gradient(to right, #530725, #530725);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--ajan-text); background: var(--ajan-bg); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ============ Header ============ */
.ajan-header {
    background: var(--ajan-bg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--ajan-border);
}
.ajan-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
}
.ajan-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--ajan-primary);
}
.ajan-logo i {
    color: var(--ajan-accent);
    font-size: 24px;
}
.ajan-nav {
    display: flex;
    gap: 28px;
    align-items: center;
}
.ajan-nav a {
    color: var(--ajan-text);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.ajan-nav a:hover { color: var(--ajan-accent); }
.ajan-nav a.ajan-cta {
    background: var(--ajan-primary);
    color: #fff;
    padding: 8px 18px;
    border-radius: 8px;
    transition: all 0.2s;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.ajan-nav a.ajan-cta:hover {
    background: var(--ajan-accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ============ Hero（含波浪动画）============ */
.ajan-hero {
    background: var(--ajan-hero-grad);
    color: #fff;
    padding: 90px 0 110px;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.ajan-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 30%, rgba(255,255,255,0.05) 0%, transparent 50%);
    pointer-events: none;
}
.ajan-hero .container {
    position: relative;
    z-index: 1;
}
.ajan-hero h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 18px;
    line-height: 1.3;
}
.ajan-hero h1 .ajan-accent { color: #ffe082; }
.ajan-hero p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}
.ajan-hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.ajan-btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: #fff;
    color: var(--ajan-primary);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.ajan-btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(0,0,0,0.22);
    color: var(--ajan-accent);
}
.ajan-btn-hero-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s;
}
.ajan-btn-hero-outline:hover {
    background: #fff;
    color: var(--ajan-primary);
}
.ajan-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}
.ajan-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
}
.ajan-wave path {
    fill: #fff;
}

/* ============ Section 通用 ============ */
.ajan-section {
    padding: 72px 0;
}
.ajan-section-alt { background: var(--ajan-sub-bg); }
.ajan-section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--ajan-primary);
    text-align: center;
    margin-bottom: 12px;
}
.ajan-section-sub {
    text-align: center;
    color: var(--ajan-text2);
    font-size: 16px;
    margin-bottom: 48px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

/* ============ About（2 卡片左右交替）============ */
.ajan-about { background: var(--ajan-about-grad); color: #fff; padding: 80px 0; }
.ajan-about .ajan-section-title { color: #fff; }
.ajan-about .ajan-section-sub { color: rgba(255,255,255,0.7); }
.ajan-about-card {
    background: rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 32px;
    transition: transform 0.3s;
}
.ajan-about-card:hover { transform: translateY(-4px); }
.ajan-about-card .row { align-items: center; }
.ajan-about-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.ajan-about-card h3 {
    color: #fff;
    font-size: 24px;
    margin-bottom: 16px;
    font-weight: 700;
}
.ajan-about-card p {
    color: rgba(255,255,255,0.85);
    font-size: 15px;
    line-height: 1.85;
}

/* ============ 5 大功能（图文左右）============ */
.ajan-functions { background: var(--ajan-functions-grad); }
.ajan-dept-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 28px;
    box-shadow: 0 4px 16px rgba(0, 20, 50, 0.05);
    transition: all 0.3s;
}
.ajan-dept-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.ajan-dept-item:nth-child(even) {
    grid-template-columns: 1fr 1fr;
    direction: rtl;
}
.ajan-dept-item:nth-child(even) > * {
    direction: ltr;
}
.ajan-dept-text h3 {
    color: var(--ajan-primary);
    font-size: 24px;
    margin-bottom: 14px;
    font-weight: 700;
}
.ajan-dept-text p {
    color: var(--ajan-text2);
    font-size: 15px;
    line-height: 1.8;
}
.ajan-dept-img {
    width: 100%;
    height: 220px;
    background: var(--ajan-functions-grad);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ajan-primary);
    font-size: 64px;
}

/* ============ 数据安全 ============ */
.ajan-security { background: var(--ajan-security-grad); }
.ajan-security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.ajan-security-text h2 {
    color: var(--ajan-primary);
    font-size: 30px;
    margin-bottom: 16px;
    font-weight: 700;
}
.ajan-security-text h2 i {
    color: var(--ajan-accent);
    margin-right: 8px;
}
.ajan-security-text p {
    color: var(--ajan-text2);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 24px;
}
.ajan-security-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.ajan-security-item {
    background: #fff;
    border-radius: 10px;
    padding: 18px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    transition: all 0.3s;
}
.ajan-security-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}
.ajan-security-item i {
    color: var(--ajan-accent);
    font-size: 22px;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--ajan-functions-grad);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ajan-security-item h4 {
    color: var(--ajan-primary);
    font-size: 15px;
    margin-bottom: 4px;
    font-weight: 600;
}
.ajan-security-item p {
    color: var(--ajan-text2);
    font-size: 12px;
    line-height: 1.5;
}

/* ============ 精选文章 ============ */
.ajan-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ajan-news-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
}
.ajan-news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.ajan-news-thumb {
    width: 100%;
    height: 200px;
    background: var(--ajan-functions-grad);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ajan-primary);
    font-size: 56px;
}
.ajan-news-body { padding: 22px; }
.ajan-news-body h3 {
    color: var(--ajan-primary);
    font-size: 17px;
    margin-bottom: 10px;
    line-height: 1.5;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ajan-news-body p {
    color: var(--ajan-text2);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ajan-news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #94a3b8;
    padding-top: 12px;
    border-top: 1px solid var(--ajan-border);
}
.ajan-news-meta a {
    color: var(--ajan-accent);
    font-weight: 500;
}
.ajan-news-meta a:hover { text-decoration: underline; }

/* ============ 用户评价 ============ */
.ajan-reviews { background: var(--ajan-reviews-grad); color: #fff; }
.ajan-reviews .ajan-section-title { color: #fff; }
.ajan-reviews .ajan-section-sub { color: rgba(255,255,255,0.7); }
.ajan-reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.ajan-review-card {
    background: rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 26px 22px;
    border: 1px solid rgba(255,255,255,0.08);
    transition: all 0.3s;
}
.ajan-review-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-4px);
}
.ajan-review-stars {
    color: #ffc107;
    font-size: 15px;
    margin-bottom: 12px;
}
.ajan-review-card h6 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 10px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}
.ajan-review-avatar {
    width: 38px;
    height: 38px;
    background: var(--ajan-accent);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}
.ajan-review-card p {
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    line-height: 1.7;
}

/* ============ 立即订阅/CTA ============ */
.ajan-app { background: var(--ajan-app-grad); color: #fff; }
.ajan-app .ajan-section-title { color: #fff; }
.ajan-app .ajan-section-sub { color: rgba(255,255,255,0.8); }
.ajan-app-card {
    background: #fff;
    color: var(--ajan-text);
    border-radius: 16px;
    padding: 44px;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    align-items: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    max-width: 980px;
    margin: 0 auto;
}
.ajan-app-text h3 {
    color: var(--ajan-primary);
    font-size: 26px;
    margin-bottom: 16px;
    font-weight: 700;
}
.ajan-app-text p {
    color: var(--ajan-text2);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 22px;
}
.ajan-app-ctas {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.ajan-btn-app {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    background: var(--ajan-primary);
    color: #fff;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s;
}
.ajan-btn-app:hover {
    background: var(--ajan-accent);
    transform: translateY(-2px);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.ajan-btn-app-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    background: transparent;
    color: var(--ajan-primary);
    border: 2px solid var(--ajan-primary);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s;
}
.ajan-btn-app-outline:hover {
    background: var(--ajan-primary);
    color: #fff;
}
.ajan-app-qr {
    text-align: center;
    padding: 24px;
    background: var(--ajan-sub-bg);
    border-radius: 12px;
}
.ajan-app-qr i {
    font-size: 130px;
    color: var(--ajan-primary);
}
.ajan-app-qr p {
    margin-top: 12px;
    color: var(--ajan-text2);
    font-size: 13px;
}

/* ============ Footer ============ */
.ajan-footer {
    background: var(--ajan-footer-grad);
    color: rgba(255,255,255,0.85);
    padding: 56px 0 0;
}
.ajan-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 36px;
}
.ajan-brand-text {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
}
.ajan-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.7;
}
.ajan-footer h5 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 18px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}
.ajan-footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--ajan-accent);
}
.ajan-footer ul {
    list-style: none;
}
.ajan-footer ul li {
    margin-bottom: 10px;
}
.ajan-footer ul li a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.ajan-footer ul li a:hover { color: #fff; }
.ajan-copy {
    text-align: center;
    padding: 22px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 13px;
}

/* ============ 响应式 ============ */
@media (max-width: 992px) {
    .ajan-nav { gap: 16px; }
    .ajan-nav a:not(.ajan-cta) { display: none; }
    .ajan-dept-item, .ajan-dept-item:nth-child(even), .ajan-security-content, .ajan-app-card {
        grid-template-columns: 1fr;
    }
    .ajan-dept-item:nth-child(even) { direction: ltr; }
    .ajan-reviews-grid { grid-template-columns: 1fr 1fr; }
    .ajan-news-grid { grid-template-columns: 1fr 1fr; }
    .ajan-footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .ajan-hero h1 { font-size: 32px; }
}
@media (max-width: 576px) {
    .ajan-news-grid, .ajan-reviews-grid, .ajan-footer-grid {
        grid-template-columns: 1fr;
    }
    .ajan-security-features { grid-template-columns: 1fr; }
    .ajan-section { padding: 50px 0; }
    .ajan-hero { padding: 60px 0 80px; }
    .ajan-section-title { font-size: 26px; }
    .ajan-hero h1 { font-size: 26px; }
}