/* ==========================================================================
   官网样式（/site/assets/site.css）
   风格：液态玻璃 + 品牌红 rgb(239,59,82)
   PC 与手机两套结构：桌面端多栏栅格，≤860px 切换为单列 + 抽屉菜单
   ========================================================================== */

:root {
    --brand: #ef3b52;
    --brand-2: #ff6b7f;
    --brand-soft: rgba(239, 59, 82, 0.12);
    --bg: #f6f7fb;
    --bg-soft: #ffffff;
    --glass: rgba(255, 255, 255, 0.66);
    --glass-strong: rgba(255, 255, 255, 0.82);
    --line: rgba(15, 23, 42, 0.08);
    --text: #101828;
    --text-2: #475467;
    --text-3: #98a2b3;
    --shadow: 0 18px 46px rgba(16, 24, 40, 0.10);
    --shadow-sm: 0 8px 22px rgba(16, 24, 40, 0.07);
    --radius: 20px;
    --radius-sm: 14px;
    --container: 1180px;
}

html[data-site-theme="dark"] {
    --bg: #0b0f16;
    --bg-soft: #131a24;
    --glass: rgba(24, 32, 44, 0.62);
    --glass-strong: rgba(24, 32, 44, 0.84);
    --line: rgba(255, 255, 255, 0.10);
    --text: #eef2f7;
    --text-2: #b3bdcc;
    --text-3: #7c8798;
    --shadow: 0 18px 46px rgba(0, 0, 0, 0.45);
    --shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.site-body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(900px 520px at 12% -6%, rgba(239, 59, 82, 0.18), transparent 62%),
        radial-gradient(760px 460px at 88% 4%, rgba(99, 102, 241, 0.14), transparent 60%),
        radial-gradient(700px 420px at 50% 100%, rgba(239, 59, 82, 0.10), transparent 62%);
    pointer-events: none;
}

.site-container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------------- 顶栏 ---------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: var(--glass-strong);
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    border-bottom: 1px solid var(--line);
}

.site-header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 68px;
}

.site-brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.site-brand img { height: 34px; width: auto; }
.site-brand-mark {
    width: 34px; height: 34px; border-radius: 11px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #fff; font-weight: 700; font-size: 17px;
    box-shadow: 0 6px 16px rgba(239, 59, 82, 0.35);
}
.site-brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.site-brand-text strong { font-size: 16px; letter-spacing: 0.5px; }
.site-brand-text em { font-style: normal; font-size: 10px; color: var(--text-3); letter-spacing: 1.6px; }

.site-nav-desktop { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.site-nav-desktop a {
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 14.5px;
    color: var(--text-2);
    transition: background .22s, color .22s;
}
.site-nav-desktop a:hover { background: var(--brand-soft); color: var(--brand); }
.site-nav-desktop a.active { color: var(--brand); font-weight: 600; background: var(--brand-soft); }

.site-header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.site-theme-btn {
    width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--glass);
    color: var(--text-2);
    cursor: pointer;
    font-size: 14px;
    display: flex; align-items: center; justify-content: center;
    transition: transform .25s, color .25s;
}
.site-theme-btn:hover { transform: rotate(18deg); color: var(--brand); }
.site-theme-sun { display: none; }
html[data-site-theme="dark"] .site-theme-sun { display: block; }
html[data-site-theme="dark"] .site-theme-moon { display: none; }

.site-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14.5px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .22s, box-shadow .22s, background .22s, color .22s;
    white-space: nowrap;
}
.site-btn-primary {
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #fff;
    box-shadow: 0 10px 24px rgba(239, 59, 82, 0.30);
}
.site-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(239, 59, 82, 0.38); }
.site-btn-ghost {
    background: var(--glass);
    border-color: var(--line);
    color: var(--text-2);
}
.site-btn-ghost:hover { color: var(--brand); border-color: rgba(239, 59, 82, 0.35); }
.site-btn-lg { padding: 13px 30px; font-size: 15.5px; }

.site-menu-btn {
    display: none;
    width: 38px; height: 38px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--glass);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 0;
}
.site-menu-btn span {
    display: block; width: 16px; height: 1.6px; background: var(--text-2); border-radius: 2px;
    transition: transform .25s, opacity .25s;
}
.site-menu-btn.open span:nth-child(1) { transform: translateY(5.6px) rotate(45deg); }
.site-menu-btn.open span:nth-child(2) { opacity: 0; }
.site-menu-btn.open span:nth-child(3) { transform: translateY(-5.6px) rotate(-45deg); }

.site-mobile-menu {
    display: none;
    flex-direction: column;
    padding: 8px 20px 18px;
    border-top: 1px solid var(--line);
    background: var(--glass-strong);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}
.site-mobile-menu.open { display: flex; }
.site-mobile-menu a {
    padding: 12px 6px;
    font-size: 15px;
    color: var(--text-2);
    border-bottom: 1px solid var(--line);
}
.site-mobile-menu a.active { color: var(--brand); font-weight: 600; }
.site-mobile-menu a.site-mobile-cta {
    margin-top: 14px;
    border: none;
    border-radius: 999px;
    text-align: center;
    color: #fff;
    font-weight: 600;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

/* ---------------- 通用区块 ---------------- */
.site-section { padding: 74px 0; }
.site-section-soft { background: linear-gradient(180deg, transparent, rgba(239, 59, 82, 0.035), transparent); }

.site-section-head { max-width: 660px; margin: 0 auto 42px; text-align: center; }
.site-section-head h2 {
    margin: 0 0 12px;
    font-size: 30px;
    letter-spacing: -0.4px;
}
.site-section-head p { margin: 0; color: var(--text-2); font-size: 15px; }
.site-section-head .site-eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12.5px;
    letter-spacing: 1px;
    color: var(--brand);
    background: var(--brand-soft);
}

.site-card {
    background: var(--glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}
.site-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 42%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), transparent);
    pointer-events: none;
}

/* ---------------- 首屏 ---------------- */
.site-hero { padding: 66px 0 54px; }
.site-hero-inner {
    display: grid;
    grid-template-columns: 1.06fr 0.94fr;
    align-items: center;
    gap: 52px;
}
.site-hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    color: var(--brand);
    background: var(--brand-soft);
    border: 1px solid rgba(239, 59, 82, 0.18);
    margin-bottom: 20px;
}
.site-hero h1 {
    margin: 0 0 18px;
    font-size: 44px;
    line-height: 1.22;
    letter-spacing: -1px;
}
.site-hero h1 .hl {
    background: linear-gradient(120deg, var(--brand), var(--brand-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.site-hero p.site-hero-desc { margin: 0 0 30px; color: var(--text-2); font-size: 16px; max-width: 520px; }
.site-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.site-hero-media {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, rgba(239, 59, 82, 0.22), rgba(255, 138, 155, 0.18));
}
.site-hero-media img { width: 100%; height: 100%; object-fit: cover; }

/* ---------------- 数据条 ---------------- */
.site-stats { padding: 0 0 10px; }
.site-stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    padding: 26px 28px;
    border-radius: var(--radius);
    background: var(--glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
}
.site-stat { text-align: center; }
.site-stat b {
    display: block;
    font-size: 28px;
    letter-spacing: -0.5px;
    background: linear-gradient(120deg, var(--brand), var(--brand-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.site-stat span { font-size: 13px; color: var(--text-2); }

/* ---------------- 服务 ---------------- */
.site-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.site-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.site-service { padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; transition: box-shadow .25s, border-color .25s; }
.site-service:hover { box-shadow: var(--shadow); border-color: rgba(239, 59, 82, 0.28); }
.site-service-icon {
    width: 42px; height: 42px; border-radius: 13px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 700;
    color: var(--brand);
    background: var(--brand-soft);
    position: relative; z-index: 1;
}
.site-service h3 { margin: 4px 0 0; font-size: 17px; position: relative; z-index: 1; }
.site-service p { margin: 0; color: var(--text-2); font-size: 14px; position: relative; z-index: 1; }
.site-service-foot {
    margin-top: auto; padding-top: 14px;
    display: flex; align-items: baseline; justify-content: space-between;
    border-top: 1px dashed var(--line);
    position: relative; z-index: 1;
}
.site-service-price { color: var(--brand); font-weight: 700; font-size: 18px; }
.site-service-price small { font-size: 12px; font-weight: 500; color: var(--text-3); }
.site-service-cycle { font-size: 12.5px; color: var(--text-3); }

/* ---------------- 流程 ---------------- */
.site-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.site-step { padding: 24px 22px; }
.site-step-no {
    width: 34px; height: 34px; border-radius: 11px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: 0 8px 18px rgba(239, 59, 82, 0.28);
    position: relative; z-index: 1;
}
.site-step h3 { margin: 14px 0 6px; font-size: 16px; position: relative; z-index: 1; }
.site-step p { margin: 0; color: var(--text-2); font-size: 13.5px; position: relative; z-index: 1; }

/* ---------------- 优势 / 案例 ---------------- */
.site-feature { padding: 24px 22px; }
.site-feature h3 { margin: 0 0 8px; font-size: 16px; position: relative; z-index: 1; }
.site-feature h3::before {
    content: "";
    display: inline-block;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--brand);
    margin-right: 9px;
    vertical-align: middle;
}
.site-feature p { margin: 0; color: var(--text-2); font-size: 13.5px; position: relative; z-index: 1; }

/* ---------------- 文章 ---------------- */
.site-articles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.site-article-card { display: flex; flex-direction: column; overflow: hidden; transition: box-shadow .25s, border-color .25s; }
.site-article-card:hover { box-shadow: var(--shadow); border-color: rgba(239, 59, 82, 0.28); }
.site-article-cover {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, rgba(239, 59, 82, 0.22), rgba(255, 138, 155, 0.18));
    position: relative;
    overflow: hidden;
}
.site-article-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.site-article-card:hover .site-article-cover img { transform: scale(1.05); }
.site-article-cover.tone-1 { background: linear-gradient(135deg, #ef3b52, #ff8a9b); }
.site-article-cover.tone-2 { background: linear-gradient(135deg, #f2607a, #ffb3c0); }
.site-article-cover.tone-3 { background: linear-gradient(135deg, #d92b45, #f08a9c); }
.site-article-cover.tone-4 { background: linear-gradient(135deg, #ff6b4a, #ffb08f); }
.site-article-cover.tone-0 { background: linear-gradient(135deg, #ff8fa3, #ffd0d8); }
.site-article-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.site-article-meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text-3); }
.site-article-meta .site-tag {
    padding: 2px 10px; border-radius: 999px;
    background: var(--brand-soft); color: var(--brand); font-weight: 600;
}
.site-article-card h3 { margin: 0; font-size: 16.5px; line-height: 1.5; }
.site-article-card p { margin: 0; color: var(--text-2); font-size: 13.5px; }
.site-article-more { margin-top: auto; padding-top: 10px; color: var(--brand); font-size: 13.5px; font-weight: 600; }

.site-empty {
    padding: 60px 20px;
    text-align: center;
    color: var(--text-3);
    border: 1px dashed var(--line);
    border-radius: var(--radius);
}

/* ---------------- FAQ ---------------- */
.site-faq { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.site-faq details {
    border-radius: var(--radius-sm);
    background: var(--glass);
    border: 1px solid var(--line);
    padding: 4px 20px;
    transition: border-color .22s;
}
.site-faq details[open] { border-color: rgba(239, 59, 82, 0.3); }
.site-faq summary {
    cursor: pointer;
    padding: 14px 0;
    font-weight: 600;
    font-size: 15.5px;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.site-faq summary::-webkit-details-marker { display: none; }
.site-faq summary::after { content: "+"; color: var(--brand); font-size: 20px; line-height: 1; }
.site-faq details[open] summary::after { content: "−"; }
.site-faq p { margin: 0 0 16px; color: var(--text-2); font-size: 14px; }

/* ---------------- CTA ---------------- */
.site-cta {
    padding: 46px 44px;
    border-radius: 26px;
    background: linear-gradient(135deg, rgba(239, 59, 82, 0.95), rgba(255, 107, 127, 0.92));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    box-shadow: 0 22px 50px rgba(239, 59, 82, 0.28);
    position: relative;
    overflow: hidden;
}
.site-cta::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(420px 200px at 88% -20%, rgba(255, 255, 255, 0.35), transparent 70%);
    pointer-events: none;
}
.site-cta h2 { margin: 0 0 8px; font-size: 26px; position: relative; z-index: 1; }
.site-cta p { margin: 0; opacity: .92; font-size: 14.5px; position: relative; z-index: 1; }
.site-cta .site-btn { background: #fff; color: var(--brand); position: relative; z-index: 1; }
.site-cta .site-btn:hover { transform: translateY(-2px); }

/* ---------------- 内页 ---------------- */
.site-page-head { padding: 46px 0 10px; }
.site-page-head h1 { margin: 0 0 10px; font-size: 32px; letter-spacing: -0.6px; }
.site-page-head p { margin: 0; color: var(--text-2); }
.site-crumbs { font-size: 13px; color: var(--text-3); margin-bottom: 14px; }
.site-crumbs a:hover { color: var(--brand); }

.site-filter { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 30px; }
.site-filter a {
    padding: 7px 16px;
    border-radius: 999px;
    font-size: 14px;
    color: var(--text-2);
    background: var(--glass);
    border: 1px solid var(--line);
    transition: all .22s;
}
.site-filter a:hover { color: var(--brand); border-color: rgba(239, 59, 82, 0.3); }
.site-filter a.active {
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    border-color: transparent;
    box-shadow: 0 8px 18px rgba(239, 59, 82, 0.26);
}

.site-pager { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.site-pager a, .site-pager span {
    min-width: 38px; height: 38px;
    padding: 0 12px;
    border-radius: 12px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 14px;
    color: var(--text-2);
    background: var(--glass);
    border: 1px solid var(--line);
}
.site-pager a:hover { color: var(--brand); border-color: rgba(239, 59, 82, 0.3); }
.site-pager .current { color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); border-color: transparent; }
.site-pager .disabled { opacity: .45; pointer-events: none; }

.site-post { padding: 28px 40px 40px; }
.site-post h1 { margin: 6px 0 14px; font-size: 30px; line-height: 1.35; letter-spacing: -0.5px; }
.site-post-meta {
    display: flex; flex-wrap: wrap; gap: 14px;
    font-size: 13px; color: var(--text-3);
    padding-bottom: 18px; margin-bottom: 26px;
    border-bottom: 1px solid var(--line);
}
.site-post-body { font-size: 16px; line-height: 1.95; color: var(--text); word-break: break-word; }
.site-post-body img { border-radius: 12px; margin: 16px auto; height: auto; }
.site-post-body h2 { font-size: 21px; margin: 30px 0 12px; }
.site-post-body h3 { font-size: 18px; margin: 24px 0 10px; }
.site-post-body p { margin: 0 0 16px; }
.site-post-body a { color: var(--brand); }
.site-post-body blockquote {
    margin: 18px 0; padding: 12px 18px;
    border-left: 3px solid var(--brand);
    background: var(--brand-soft);
    border-radius: 0 10px 10px 0;
    color: var(--text-2);
}
.site-post-body ul, .site-post-body ol { padding-left: 22px; margin: 0 0 16px; }

.site-related { margin-top: 46px; }
.site-related h2 { font-size: 20px; margin: 0 0 18px; }

.site-info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.site-info-item { padding: 22px 24px; }
.site-info-item span { display: block; font-size: 13px; color: var(--text-3); margin-bottom: 6px; }
.site-info-item strong { font-size: 17px; font-weight: 600; word-break: break-all; }

/* ---------------- 页脚 ---------------- */
.site-footer {
    margin-top: 40px;
    border-top: 1px solid var(--line);
    background: var(--glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.site-footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.3fr;
    gap: 36px;
    padding: 50px 24px 34px;
}
.site-footer-logo {
    font-size: 20px; font-weight: 700; margin-bottom: 12px;
    background: linear-gradient(120deg, var(--brand), var(--brand-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.site-footer-brand p { margin: 0 0 18px; color: var(--text-2); font-size: 13.5px; max-width: 380px; }
.site-footer-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.site-footer-col { display: flex; flex-direction: column; gap: 9px; }
.site-footer-col h4 { margin: 0 0 6px; font-size: 14.5px; }
.site-footer-col a, .site-footer-col span { color: var(--text-2); font-size: 13.5px; }
.site-footer-col a:hover { color: var(--brand); }
.site-muted { color: var(--text-3); font-size: 13px; }
.site-footer-bottom {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 10px;
    padding: 16px 24px 26px;
    border-top: 1px solid var(--line);
    color: var(--text-3);
    font-size: 12.5px;
}
.site-footer-meta { display: flex; gap: 14px; flex-wrap: wrap; }
.site-footer-meta a:hover { color: var(--brand); }

.site-totop {
    position: fixed;
    right: 22px;
    bottom: 26px;
    width: 42px; height: 42px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: 0 12px 26px rgba(239, 59, 82, 0.34);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .25s, transform .25s;
    pointer-events: none;
    z-index: 50;
}
.site-totop.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ==========================================================================
   手机端（≤860px）：单列结构 + 抽屉菜单
   ========================================================================== */
@media (max-width: 860px) {
    body.site-body { font-size: 14.5px; }

    .site-container { padding: 0 16px; }
    .site-header-inner { height: 58px; gap: 10px; }

    .site-nav-desktop,
    .site-header-work,
    .site-header-cta { display: none; }
    .site-menu-btn { display: flex; }

    .site-brand img { height: 28px; }
    .site-brand-mark { width: 30px; height: 30px; border-radius: 10px; font-size: 15px; }
    .site-brand-text strong { font-size: 15px; }
    .site-brand-text em { font-size: 9px; letter-spacing: 1.2px; }

    .site-hero { padding: 30px 0 34px; }
    .site-hero-inner { grid-template-columns: 1fr; gap: 26px; }
    .site-hero h1 { font-size: 27px; line-height: 1.32; letter-spacing: -0.4px; }
    .site-hero p.site-hero-desc { font-size: 14.5px; margin-bottom: 22px; }
    .site-hero-badge { font-size: 12px; margin-bottom: 14px; }
    .site-hero-actions { gap: 10px; }
    .site-hero-actions .site-btn { flex: 1 1 46%; padding: 11px 14px; font-size: 14px; }
    .site-hero-media { aspect-ratio: 16 / 10; border-radius: 18px; }

    .site-stats-inner { grid-template-columns: repeat(2, 1fr); gap: 18px 10px; padding: 20px 16px; }
    .site-stat b { font-size: 22px; }
    .site-stat span { font-size: 12px; }

    .site-section { padding: 44px 0; }
    .site-section-head { margin-bottom: 26px; text-align: left; }
    .site-section-head h2 { font-size: 22px; }
    .site-section-head p { font-size: 14px; }

    .site-grid-3, .site-grid-4, .site-steps, .site-articles, .site-info-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .site-service, .site-feature, .site-step { padding: 20px 18px; }
    .site-article-body { padding: 14px 16px 18px; }

    .site-cta {
        flex-direction: column;
        align-items: flex-start;
        padding: 30px 22px;
        border-radius: 20px;
        gap: 18px;
    }
    .site-cta h2 { font-size: 21px; }
    .site-cta .site-btn { width: 100%; }

    .site-page-head { padding: 26px 0 4px; }
    .site-page-head h1 { font-size: 23px; }
    .site-filter { margin: 18px 0 22px; gap: 8px; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
    .site-filter a { flex-shrink: 0; padding: 6px 14px; font-size: 13.5px; }

    .site-post { padding: 20px 18px 26px; }
    .site-post h1 { font-size: 22px; }
    .site-post-body { font-size: 15.5px; line-height: 1.9; }

    .site-faq summary { font-size: 14.5px; }
    .site-faq details { padding: 2px 16px; }

    .site-footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 34px 16px 22px; }
    .site-footer-brand p { max-width: none; }
    .site-footer-bottom { flex-direction: column; align-items: flex-start; padding: 14px 16px 22px; }

    .site-totop { right: 14px; bottom: 18px; width: 38px; height: 38px; }
}

@media (max-width: 400px) {
    .site-hero h1 { font-size: 24px; }
    .site-hero-actions .site-btn { flex: 1 1 100%; }
}