/* ═══════════════════════════════════════════════════════════════════════════
   挺对 CMS · default 模板 · 内页组件层

   覆盖：面包屑 / 文章详情（含 GEO 答案框·要点·目录）/ 列表页 / 联系页 /
        关于我们 / 页面构建器区块 / 分页。

   依赖 default.css 的设计令牌；本文件不重复定义颜色，全部走 var()。
   注意：default 是全局兜底主题 —— 其它主题缺少某个视图时会回落到这里的同名视图，
   因此这里的类名（.article-cta / .breadcrumb / .answer-box 等）属于对外契约。
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── 面包屑：SEO 内链与层级语义的可视入口 ────────────────────────────────── */
.breadcrumb {
    display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
    margin: 0 0 34px; color: var(--dim); font-size: 13px;
}
.breadcrumb a { color: var(--muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--brand-2); }
.crumb-sep { color: var(--dim); opacity: .6; margin: 0 2px; }
.crumb-current {
    max-width: 460px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    color: var(--ink-2); font-weight: 600;
}

/* ══ 文章详情页 ═══════════════════════════════════════════════════════════
   .article-page 同时被 cms-core::template-page 的 content-body 块复用，
   所以它必须自带居中与内边距，不能依赖外层再包一层容器。 */
.article-page { max-width: 900px; margin: 0 auto; padding: clamp(40px, 5vw, 68px) 24px clamp(28px, 3vw, 44px); }
.article-head { margin-bottom: 34px; }
.article-head h1 { margin-bottom: 20px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--dim); font-size: 13.5px; }
.article-meta time { color: var(--muted); }
.article-meta .meta-sep { opacity: .5; }

.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; }
.article-tags a, .article-tags-panel a, .share-buttons a {
    padding: 5px 13px; border-radius: 999px;
    border: 1px solid var(--line); background: rgba(148, 163, 184, .06);
    color: var(--muted); font-size: 12.5px;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.article-tags a:hover, .article-tags-panel a:hover, .share-buttons a:hover {
    border-color: var(--brand-line); color: var(--brand-2); background: var(--brand-soft);
}

/* GEO 答案框：正文之外的「核心结论」，便于精选摘要与 AI 直接引用 */
.article-answer {
    margin: 0 0 34px; padding: 26px 30px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(47, 92, 255, .10), rgba(255, 255, 255, .92));
    border: 1px solid var(--brand-line);
}
.article-answer .kicker { margin-bottom: 10px; }
.article-answer p { color: var(--ink-2); font-size: 16.5px; line-height: 1.9; }

/* GEO 核心要点：把正文可被引用的结论前置成清单，AI 抽取命中率高于长段落 */
.key-points {
    margin: 0 0 34px; padding: 26px 30px;
    border-radius: var(--radius-lg); background: var(--panel); border: 1px solid var(--line);
}
.key-points h2 { margin-bottom: 16px; font-size: 17px; letter-spacing: 0; }
.key-points ul { display: grid; gap: 10px; }
.key-points li {
    position: relative; padding-left: 26px;
    color: var(--ink-2); font-size: 15px; line-height: 1.8;
}
.key-points li::before {
    content: ""; position: absolute; left: 6px; top: .72em;
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--brand-2); box-shadow: 0 0 0 3px rgba(59, 130, 246, .16);
}

/* 目录：h2/h3 锚点，服务 AI 片段引用与用户跳转 */
.toc { margin: 0 0 34px; padding: 24px 28px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); }
.toc-title { display: block; margin-bottom: 14px; color: var(--brand-2); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.toc-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 30px; }
.toc-list a {
    display: block; padding: 7px 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.6;
    border-bottom: 1px dashed var(--line-soft);
    transition: color var(--transition), border-color var(--transition);
}
.toc-list a:hover { color: var(--brand-2); border-bottom-color: var(--brand-line); }
.toc-h3 { padding-left: 18px; color: var(--muted); font-size: 14px; }

/* 正文排版：可读性优先，标题层级清晰（同时服务 SEO 语义结构） */
.article-body { color: var(--ink-2); font-size: 17px; line-height: 1.95; }
.article-body > * + * { margin-top: 1.35em; }
.article-body h2 {
    margin-top: 2.2em; padding-top: 1.1em; border-top: 1px solid var(--line-soft);
    font-size: clamp(23px, 2.4vw, 30px); scroll-margin-top: 96px;
}
.article-body h3 { margin-top: 1.8em; font-size: clamp(19px, 1.8vw, 23px); scroll-margin-top: 96px; }
.article-body h4 { margin-top: 1.6em; font-size: 17px; }
.article-body p { color: var(--ink-2); }
.article-body a { color: var(--brand-2); border-bottom: 1px solid var(--brand-line); }
.article-body a:hover { color: var(--brand); }
.article-body strong { color: var(--ink); }
.article-body ul, .article-body ol { padding-left: 1.4em; display: grid; gap: .55em; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li::marker { color: var(--brand-2); }
.article-body blockquote {
    margin: 1.8em 0; padding: 20px 26px;
    border-left: 3px solid var(--brand-line); border-radius: 0 var(--radius) var(--radius) 0;
    background: var(--panel); color: var(--ink); font-size: 16px;
}
.article-body blockquote p { color: inherit; }
.article-body img { margin: 1.8em 0; border-radius: var(--radius); border: 1px solid var(--line); }
.article-body figure { margin: 1.8em 0; }
.article-body figcaption { margin-top: 10px; color: var(--dim); font-size: 13px; text-align: center; }
.article-body table {
    width: 100%; margin: 1.8em 0; border-collapse: collapse;
    font-size: 14.5px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.article-body th, .article-body td { padding: 12px 16px; border-bottom: 1px solid var(--line-soft); text-align: left; }
.article-body th { background: var(--panel-hi); color: var(--ink); font-weight: 700; }
.article-body tr:last-child td { border-bottom: 0; }
.article-body code {
    padding: 2px 7px; border-radius: 6px; background: rgba(148, 163, 184, .14);
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace; font-size: .92em;
}
.article-body pre {
    margin: 1.8em 0; padding: 20px 22px; border-radius: var(--radius);
    background: #0f172a; border: 1px solid var(--line); overflow-x: auto;
}
.article-body pre code { padding: 0; background: none; }
.article-body hr { margin: 2.4em 0; border: 0; border-top: 1px solid var(--line); }

/* 文末：标签 + 分享 */
.article-foot { margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--line); display: grid; gap: 20px; }
.article-tags-panel, .article-share { display: flex; align-items: flex-start; gap: 14px; flex-wrap: wrap; }
.panel-label { flex-shrink: 0; padding-top: 5px; color: var(--brand-2); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.panel-links, .share-buttons { display: flex; flex-wrap: wrap; gap: 8px; }

/* 作者面板：E-E-A-T 信任信号（谁写的、代表谁） */
.article-author-panel {
    display: flex; align-items: flex-start; gap: 20px; max-width: 900px;
    margin: 44px 0 0; padding: 26px; border-radius: var(--radius-lg);
    background: var(--panel); border: 1px solid var(--line);
}
.author-avatar {
    flex-shrink: 0; display: grid; place-items: center; width: 52px; height: 52px;
    border-radius: 50%; background: linear-gradient(135deg, #5563f7, #22b8f0);
    color: #fff; font-size: 20px; font-weight: 800;
}
.author-body strong { display: block; font-size: 15px; }
.author-body p { margin: 8px 0 0; color: var(--muted); font-size: 13.5px; line-height: 1.8; }

/* 延伸阅读：同栏目内链，服务权重传递与实体关联 */
.related-articles { max-width: var(--shell); margin: 0 auto; padding: clamp(52px, 6vw, 84px) 24px 0; }
.related-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 22px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.related-head h2 { margin: 0; }
.related-more { flex-shrink: 0; color: var(--brand-2); font-size: 14px; font-weight: 700; }
.related-more span { margin-left: 6px; font-size: 18px; vertical-align: middle; }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding-top: 28px; }
.related-card {
    display: block; padding: 26px 24px; border-radius: var(--radius);
    background: var(--panel); border: 1px solid var(--line);
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.related-card:hover { transform: translateY(-4px); border-color: var(--brand-line); background: var(--panel-hi); }
.related-card time { color: var(--dim); font-size: 12.5px; }
.related-card h3 { margin: 12px 0 10px; font-size: 18px; line-height: 1.5; }
.related-card p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.75; }

/* ══ 文内 CTA 与通用转化带 ═══════════════════════════════════════════════
   .contact-band / .contact-inner / .contact-actions 是 cms-core::template-page
   的 cta 块契约类名，必须由主题提供样式，否则模板页的转化块会没有视觉。 */
.contact-band {
    position: relative; overflow: hidden; max-width: var(--shell);
    margin: clamp(40px, 5vw, 72px) auto; padding: clamp(38px, 4.5vw, 60px) clamp(28px, 4vw, 56px);
    border-radius: 28px; background: linear-gradient(150deg, #eef2ff, #dbe4ff 55%, #f7f9fc);
    border: 1px solid var(--brand-line); box-shadow: var(--shadow);
}
.contact-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.contact-band h2 { margin-bottom: 12px; }
.contact-band p { color: var(--ink-2); font-size: 15.5px; line-height: 1.85; max-width: 560px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; flex-shrink: 0; }

/* 文内 CTA：把阅读流量导向转化页（保留 .article-cta 类名，属对外契约） */
.article-cta {
    display: flex; align-items: center; justify-content: space-between; gap: 36px;
    max-width: var(--shell); margin: clamp(64px, 7vw, 100px) auto 0;
    padding: clamp(40px, 5vw, 64px) clamp(28px, 4vw, 60px);
    border-radius: 28px; background: linear-gradient(150deg, #eef2ff, #dbe4ff 55%, #f7f9fc);
    border: 1px solid var(--brand-line); box-shadow: var(--shadow);
}
.article-cta .kicker { margin-bottom: 12px; }
.cta-copy h2 { margin: 0; }
.cta-copy p { margin: 16px 0 0; color: var(--ink-2); font-size: 15.5px; line-height: 1.85; max-width: 560px; }
.cta-button { flex-shrink: 0; background: var(--ink); color: #ffffff; }
.cta-button:hover { background: var(--brand); transform: translateY(-2px); }

/* ══ 列表页（产品 / 新闻 / 栏目 / 标签） ═══════════════════════════════════ */
.listing-shell { max-width: var(--shell); margin: 0 auto; padding: clamp(44px, 5vw, 72px) 24px clamp(48px, 5vw, 76px); }
.listing-meta {
    display: flex; flex-wrap: wrap; gap: 20px; padding-bottom: 18px;
    border-bottom: 1px solid var(--line); color: var(--dim); font-size: 13.5px;
}
.listing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding-top: 28px; }
.story-card {
    display: flex; flex-direction: column; overflow: hidden; border-radius: var(--radius-lg);
    background: var(--panel); border: 1px solid var(--line);
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.story-card:hover { transform: translateY(-4px); border-color: var(--brand-line); background: var(--panel-hi); }
.story-card > a { display: flex; flex-direction: column; height: 100%; }
/* 无封面时用渐变占位而不是空白块：视觉一致 + 零请求 */
.story-image { height: 138px; background: linear-gradient(120deg, #dbe4ff, #93b4ff 55%, #eef2ff); }
.story-image img { width: 100%; height: 100%; object-fit: cover; }
.story-body { display: flex; flex-direction: column; flex: 1; padding: 26px 26px 24px; }
.story-body .kicker { margin-bottom: 12px; }
.story-body h2, .story-body h3 { margin: 0 0 12px; font-size: 19px; line-height: 1.5; }
.story-body > p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.story-body time { display: block; margin-top: auto; padding-top: 22px; color: var(--dim); font-size: 12.5px; }

.pagination { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; padding: 48px 0 8px; }
.pagination-link, .pagination-disabled {
    min-width: 40px; padding: 9px 14px; text-align: center; border-radius: 10px;
    border: 1px solid var(--line); background: var(--panel); color: var(--muted); font-size: 13.5px;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.pagination-link:hover { border-color: var(--brand-line); color: var(--brand-2); }
.pagination-link.is-current { background: linear-gradient(135deg, #5563f7, #3b82f6); border-color: transparent; color: #fff; font-weight: 700; }
.pagination-disabled { opacity: .45; }

/* ══ 联系我们 ═════════════════════════════════════════════════════════════ */
.assure-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; max-width: var(--shell); margin: 0 auto; padding: 0 24px clamp(40px, 4vw, 60px); }
.assure-item { padding: 26px 28px; border-radius: var(--radius-lg); background: var(--panel); border: 1px solid var(--line); }
.assure-item strong { display: block; font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.assure-item strong em { font-size: .58em; margin-left: 2px; color: var(--brand-2); }
.assure-item span { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; }

.contact-layout {
    display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(36px, 5vw, 72px);
    max-width: var(--shell); margin: 0 auto; padding: clamp(40px, 4vw, 64px) 24px clamp(48px, 5vw, 76px);
    align-items: start;
}
.contact-details h2 { margin-bottom: 20px; }
.contact-details > a {
    display: inline-flex; align-items: center; gap: 9px; margin: 0 18px 12px 0;
    color: var(--brand-2); font-size: 17px; font-weight: 700;
    transition: color var(--transition);
}
.contact-details > a:hover { color: var(--brand); }
.contact-note { margin: 22px 0 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.contact-points { display: grid; gap: 4px; margin: 26px 0 0; }
.contact-points li { position: relative; padding: 7px 0 7px 26px; color: var(--muted); font-size: 14.5px; line-height: 1.7; }
.contact-points li::before { content: "✓"; position: absolute; left: 0; top: 7px; color: var(--brand-2); font-weight: 800; }

.lead-form { padding: clamp(28px, 4vw, 46px); border-radius: var(--radius-lg); background: var(--panel); border: 1px solid var(--line); box-shadow: var(--shadow); }
.lead-form h2 { margin-bottom: 8px; font-size: clamp(22px, 2.2vw, 27px); }
.lead-form label { display: block; margin-top: 20px; }
.lead-form label > span { display: block; margin-bottom: 8px; color: var(--ink-2); font-size: 13.5px; font-weight: 700; }
.lead-form label b { color: var(--danger); }
.lead-form input:not([type=checkbox]), .lead-form textarea, .lead-form select {
    width: 100%; padding: 13px 15px; border-radius: var(--radius-sm);
    border: 1px solid var(--line-strong); background: #ffffff;
    font: inherit; font-size: 15px; color: var(--ink);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.lead-form input::placeholder, .lead-form textarea::placeholder { color: var(--dim); }
.lead-form input:focus, .lead-form textarea:focus, .lead-form select:focus {
    outline: none; border-color: var(--brand-line); box-shadow: 0 0 0 3px rgba(47, 92, 255, .18);
}
.lead-form textarea { resize: vertical; min-height: 120px; }
.lead-form .consent { display: flex; align-items: flex-start; gap: 9px; margin-top: 22px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.lead-form .consent input { flex-shrink: 0; margin-top: 4px; accent-color: var(--brand); }
.lead-form button { margin-top: 26px; width: 100%; }
.honeypot { position: absolute !important; left: -10000px !important; }
.form-feedback { min-height: 24px; margin: 16px 0 0; font-size: 13.5px; line-height: 1.7; }
.form-feedback.is-loading { color: var(--muted); }
.form-feedback.is-success { color: var(--ok); }
.form-feedback.is-error { color: var(--danger); }

/* ══ 关于我们 ═════════════════════════════════════════════════════════════ */
.about-intro {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(36px, 5vw, 80px); align-items: center;
    max-width: var(--shell); margin: 0 auto; padding: clamp(56px, 6vw, 96px) 24px;
}
.about-media img { width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow); }
.about-copy h2 { margin-bottom: 22px; }
.about-lead { color: var(--muted); font-size: 16px; line-height: 1.95; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.about-stats strong { display: block; font-size: clamp(26px, 2.6vw, 34px); font-weight: 800; line-height: 1.1; letter-spacing: -.02em; }
.about-stats strong em { font-size: .55em; color: var(--brand-2); }
.about-stats span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }

.about-story {
    display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: clamp(24px, 4vw, 64px);
    max-width: var(--shell); margin: 0 auto; padding: clamp(28px, 3vw, 48px) 24px clamp(48px, 5vw, 72px);
}
.about-number { color: var(--brand-2); font-size: 15px; font-weight: 800; letter-spacing: .14em; }
.about-story h2 { margin-bottom: 20px; }
.about-story p { color: var(--muted); font-size: 16px; line-height: 1.95; }

.values-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; max-width: var(--shell); margin: 0 auto; padding: 0 24px clamp(48px, 5vw, 76px); }
.values-grid article { padding: 30px 28px; border-radius: var(--radius-lg); background: var(--panel); border: 1px solid var(--line); }
.values-grid strong { color: var(--brand-2); font-size: 13px; font-weight: 800; letter-spacing: .14em; }
.values-grid h3 { margin: 32px 0 10px; }
.values-grid p { color: var(--muted); font-size: 14.5px; line-height: 1.8; }

.milestones { max-width: var(--shell); margin: 0 auto; padding: 0 24px clamp(48px, 5vw, 76px); }
.milestones .section-head { text-align: left; margin-left: 0; }
.milestone-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.milestone-list li { padding: 30px 28px; border-radius: var(--radius-lg); background: var(--panel); border: 1px solid var(--line); border-top: 2px solid var(--brand-2); }
.milestone-year { color: var(--brand-2); font-size: 12.5px; font-weight: 800; letter-spacing: .14em; }
.milestone-list h3 { margin: 14px 0 10px; }
.milestone-list p { color: var(--muted); font-size: 14.5px; line-height: 1.8; }

/* ══ 页面构建器区块 ═══════════════════════════════════════════════════════ */
.section-block { max-width: var(--shell); margin: 0 auto; padding: clamp(40px, 5vw, 76px) 24px; }
.section-intro { max-width: 760px; margin-bottom: 34px; }
.section-intro h2 { margin-bottom: 16px; }

.builder-hero {
    position: relative; overflow: hidden;
    display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
    gap: clamp(28px, 4vw, 56px); align-items: center;
    max-width: var(--shell); margin: 0 auto; padding: clamp(56px, 7vw, 104px) 24px;
}
.builder-hero::before {
    content: ""; position: absolute; left: 50%; top: -200px; width: 820px; height: 480px;
    transform: translateX(-50%); pointer-events: none;
    background: radial-gradient(closest-side, rgba(59, 130, 246, .22), transparent 72%);
}
.builder-hero .hero-copy { position: relative; }
.builder-hero h1 { margin-bottom: 20px; }
.builder-hero .hero-actions { justify-content: flex-start; margin-top: 30px; }
.builder-hero .hero-art { position: relative; }
.builder-hero .hero-art img { width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--line); }

.builder-image-text { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 60px); align-items: center; }
.builder-image-text.is-right .builder-image-text-media { order: 2; }
.builder-image-text .builder-image-text-media { width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--line); }
.builder-image-text .article-body { margin: 0; font-size: 16px; }

.builder-gallery { display: grid; gap: 16px; }
.builder-gallery.is-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.builder-gallery.is-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.builder-gallery.is-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.builder-gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); }

.builder-faq { max-width: 880px; display: grid; gap: 12px; }
.builder-faq-item { border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); overflow: hidden; }
.builder-faq-item[open] { border-color: var(--brand-line); background: var(--panel-hi); }
.builder-faq-item summary {
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
    padding: 22px 26px; cursor: pointer; list-style: none; font-size: 16.5px; font-weight: 700;
}
.builder-faq-item summary::-webkit-details-marker { display: none; }
.builder-faq-item summary::after { content: "+"; color: var(--brand-2); font-size: 22px; font-weight: 400; line-height: 1; }
.builder-faq-item[open] summary::after { content: "–"; }
.builder-faq-item .article-body { margin: 0; padding: 0 26px 24px; font-size: 15px; }

.builder-cta { display: block; }
.builder-cta h2 { margin-bottom: 12px; }

/* 视频块：只在可播放文件时输出 <video>，第三方链接走 empty-state 外链 */
.builder-video video { width: 100%; max-width: 960px; height: auto; border-radius: var(--radius); border: 1px solid var(--line); }
.builder-video-caption { margin-top: 12px; color: var(--dim); font-size: 13.5px; text-align: center; }

/* 构建器区块节奏：整块正文时收窄阅读宽度，避免长行影响可读性 */
.section-block > .article-body:only-child { max-width: 840px; font-size: 17px; line-height: 2; }
.section-block:has(> .article-body) { padding-top: clamp(40px, 5vw, 64px); padding-bottom: clamp(40px, 5vw, 64px); }

/* 构建器里的列表卡：自带内边距，与列表页卡片区分开 */
.section-block .listing-grid { padding-top: 0; }
.section-block .listing-grid > a.story-card { padding: 26px 26px 22px; }
.section-block .listing-grid .story-card h3 { margin: 0 0 12px; }
.section-block .listing-grid .story-card .card-text { margin: 0 0 10px; color: var(--muted); font-size: 13.5px; line-height: 1.75; }
.section-block .listing-grid .story-card .card-date { display: block; color: var(--dim); font-size: 12.5px; }

/* ══ 响应式 ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1080px) {
    .listing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .assure-grid, .milestone-list, .values-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .contact-layout { grid-template-columns: 1fr; }
    .about-intro { grid-template-columns: 1fr; }
    .builder-hero { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    .related-grid { grid-template-columns: 1fr 1fr; }
    .toc-list { grid-template-columns: 1fr; }
    .builder-image-text { grid-template-columns: 1fr; }
    .builder-image-text.is-right .builder-image-text-media { order: 0; }
    .builder-gallery.is-cols-3, .builder-gallery.is-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .builder-cta { flex-direction: column; align-items: flex-start; }
    .about-story { grid-template-columns: 1fr; gap: 14px; }
}

@media (max-width: 640px) {
    .article-page, .listing-shell, .contact-layout, .about-intro, .about-story,
    .values-grid, .milestones, .assure-grid, .related-articles, .section-block,
    .builder-hero, .contact-band { padding-left: 18px; padding-right: 18px; }
    .listing-grid, .related-grid, .assure-grid, .milestone-list, .values-grid, .about-stats { grid-template-columns: 1fr; }
    .article-cta { flex-direction: column; align-items: flex-start; }
    .article-cta .button { width: 100%; }
    .crumb-current { max-width: 200px; }
    .article-answer, .key-points, .toc { padding: 22px 22px; }
    .article-body { font-size: 16px; }
    .builder-gallery.is-cols-2, .builder-gallery.is-cols-3, .builder-gallery.is-cols-4 { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   LINEAR / VERCEL 暗色科技风 — 首页专用
   深空黑底 · 靛紫渐变 · 青色点缀 · 玻璃卡片 · Aurora 光晕 · Bento 网格
   通过 body:has(.nx-hero) 作用域，仅首页生效，内页保持浅色
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    --nx-bg: #08090d;
    --nx-bg2: #0b0d14;
    --nx-ink: #f5f6f8;
    --nx-muted: #9a9dab;
    --nx-brand: #6366f1;
    --nx-brand2: #8b5cf6;
    --nx-cyan: #22d3ee;
    --nx-line: rgba(255,255,255,.09);
    --nx-glass: rgba(255,255,255,.035);
    --nx-grad: linear-gradient(120deg,#818cf8 0%,#a78bfa 45%,#22d3ee 100%);
}

/* ── 首页暗色作用域 ── */
body:has(.nx-hero) { background: var(--nx-bg); color: var(--nx-ink); }
body:has(.nx-hero) .site-header {
    background: rgba(8,9,13,.72) !important;
    backdrop-filter: saturate(180%) blur(16px) !important;
    -webkit-backdrop-filter: saturate(180%) blur(16px) !important;
    border-bottom: 1px solid var(--nx-line) !important;
    box-shadow: none;
}
body:has(.nx-hero) .brand-name { color: #fff; }
body:has(.nx-hero) .brand-mark { background: var(--nx-grad) !important; color:#08090d; }
body:has(.nx-hero) .primary-nav > a,
body:has(.nx-hero) .nav-trigger { color: var(--nx-muted) !important; }
body:has(.nx-hero) .primary-nav > a:hover,
body:has(.nx-hero) .nav-trigger:hover { color: #fff !important; }
body:has(.nx-hero) .nav-toggle span,
body:has(.nx-hero) .nav-toggle span::before,
body:has(.nx-hero) .nav-toggle span::after { background: #fff !important; }
body:has(.nx-hero) .nav-sub { background: #12141d !important; border-color: var(--nx-line) !important; }
body:has(.nx-hero) .nav-sub a { color: var(--nx-muted) !important; }
body:has(.nx-hero) .site-footer {
    background: var(--nx-bg2) !important;
    border-top: 1px solid var(--nx-line) !important;
}
body:has(.nx-hero) .footer-brand strong { color: #fff; }
body:has(.nx-hero) .footer-brand p,
body:has(.nx-hero) .footer-col a,
body:has(.nx-hero) .footer-purpose,
body:has(.nx-hero) .footer-legal,
body:has(.nx-hero) .footer-bottom { color: var(--nx-muted) !important; }
body:has(.nx-hero) .footer-col h4 { color: #fff !important; }
body:has(.nx-hero) .footer-col a:hover { color: var(--nx-cyan) !important; }

/* 通用容器 */
.nx-wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.nx-wrap-narrow { max-width: 820px; }
.nx-grad {
    background: var(--nx-grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.nx-eyebrow {
    display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .12em;
    text-transform: uppercase; color: var(--nx-cyan); margin-bottom: 16px;
}
.nx-sec-head { text-align: center; max-width: 720px; margin: 0 auto clamp(44px,6vw,72px); }
.nx-sec-head h2 { font-size: clamp(28px,4vw,46px); font-weight: 800; letter-spacing: -.02em; line-height: 1.2; color: #fff; }
.nx-sec-head h2 em { font-style: normal; }
.nx-sec-sub { margin-top: 14px; color: var(--nx-muted); font-size: 16px; }

/* ── ① HERO ── */
.nx-hero { position: relative; overflow: hidden; padding: clamp(120px,16vh,180px) 0 clamp(80px,10vh,120px); text-align: center; }
.nx-aurora { position: absolute; inset: 0; z-index: 0; filter: blur(60px); opacity: .55; }
.nx-aurora i { position: absolute; border-radius: 50%; }
.nx-aurora i:nth-child(1){ width:520px;height:520px; background:#4f46e5; top:-160px; left:8%; opacity:.5;}
.nx-aurora i:nth-child(2){ width:460px;height:460px; background:#7c3aed; top:-120px; right:6%; opacity:.45;}
.nx-aurora i:nth-child(3){ width:400px;height:400px; background:#0891b2; bottom:-180px; left:40%; opacity:.35;}
.nx-grid-bg {
    position:absolute; inset:0; z-index:0;
    background-image: linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                      linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%,#000 40%,transparent 100%);
    mask-image: radial-gradient(ellipse 70% 60% at 50% 0%,#000 40%,transparent 100%);
}
.nx-hero-inner { position: relative; z-index: 1; max-width: 860px; margin: 0 auto; }
.nx-badge {
    display:inline-flex; align-items:center; gap:8px; padding:7px 16px; border-radius:100px;
    font-size:13px; font-weight:500; color:#c7c9d4;
    background:rgba(255,255,255,.05); border:1px solid var(--nx-line); backdrop-filter:blur(8px);
    margin-bottom:30px;
}
.nx-badge i { width:7px;height:7px;border-radius:50%; background:var(--nx-cyan); box-shadow:0 0 12px var(--nx-cyan); }
.nx-h1 {
    font-size: clamp(38px,6.4vw,74px); font-weight:800; letter-spacing:-.03em; line-height:1.08;
    color:#fff; margin-bottom:26px;
}
.nx-lead { font-size:clamp(16px,1.6vw,19px); color:var(--nx-muted); line-height:1.85; max-width:680px; margin:0 auto 38px; }
.nx-hero-btns { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* 按钮 */
.nx-btn {
    display:inline-flex; align-items:center; gap:8px; padding:14px 28px; border-radius:12px;
    font-size:15px; font-weight:600; text-decoration:none; transition:all .25s cubic-bezier(.4,0,.2,1); border:1px solid transparent;
}
.nx-btn-primary { background:var(--nx-grad); color:#0a0b10; box-shadow:0 8px 30px rgba(129,140,248,.35); }
.nx-btn-primary:hover { transform:translateY(-2px); box-shadow:0 12px 40px rgba(129,140,248,.5); }
.nx-btn-ghost { background:var(--nx-glass); color:#fff; border-color:var(--nx-line); backdrop-filter:blur(8px); }
.nx-btn-ghost:hover { background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.2); }
.nx-btn-white { background:#fff; color:#0a0b10; }
.nx-btn-white:hover { transform:translateY(-2px); box-shadow:0 10px 36px rgba(255,255,255,.2); }
.nx-btn-outline { background:transparent; color:#fff; border-color:rgba(255,255,255,.28); }
.nx-btn-outline:hover { background:rgba(255,255,255,.08); }

/* ── ② STATS ── */
.nx-stats { position:relative; z-index:1; padding:8px 0 clamp(60px,8vw,90px); }
.nx-stats-row {
    display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
    background:var(--nx-line); border:1px solid var(--nx-line); border-radius:20px; overflow:hidden;
}
.nx-stat { background:var(--nx-bg2); padding:34px 20px; text-align:center; transition:background .3s; }
.nx-stat:hover { background:#11131d; }
.nx-stat b { display:block; font-size:clamp(34px,4.5vw,52px); font-weight:800; letter-spacing:-.02em;
    background:var(--nx-grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.nx-stat b em { font-style:normal; font-size:.5em; }
.nx-stat span { display:block; margin-top:8px; font-size:14px; color:var(--nx-muted); }

/* ── ③ BENTO ── */
.nx-bento { padding:clamp(60px,8vw,100px) 0; position:relative; }
.nx-bento-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.nx-card {
    position:relative; overflow:hidden; display:flex; flex-direction:column;
    padding:34px 30px; border-radius:22px; text-decoration:none; color:inherit;
    background:var(--nx-glass); border:1px solid var(--nx-line); backdrop-filter:blur(10px);
    transition:transform .3s, border-color .3s;
}
.nx-card.wide { grid-column:span 2; }
.nx-card:hover { transform:translateY(-4px); border-color:rgba(255,255,255,.18); }
.nx-card-glow { position:absolute; width:220px; height:220px; border-radius:50%; top:-80px; right:-60px;
    background:radial-gradient(circle,rgba(129,140,248,.25),transparent 70%); opacity:0; transition:opacity .4s; }
.nx-card:hover .nx-card-glow { opacity:1; }
.nx-card.accent { background:linear-gradient(135deg,rgba(99,102,241,.18),rgba(34,211,238,.1)); border-color:rgba(129,140,248,.3); }
.nx-card-icon { font-size:32px; margin-bottom:18px; width:58px; height:58px; display:grid; place-items:center;
    border-radius:14px; background:rgba(255,255,255,.06); border:1px solid var(--nx-line); color:var(--nx-cyan); }
.nx-card h3 { font-size:20px; font-weight:700; color:#fff; margin-bottom:10px; }
.nx-card p { font-size:14.5px; line-height:1.75; color:var(--nx-muted); flex:1; }
.nx-card-link { margin-top:20px; font-size:14px; font-weight:600; color:var(--nx-cyan); opacity:.85; transition:opacity .2s; }
.nx-card:hover .nx-card-link { opacity:1; }

/* ── ④ PRICING ── */
.nx-pricing { padding:clamp(60px,8vw,100px) 0; }
.nx-price-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; align-items:stretch; }
.nx-price {
    position:relative; display:flex; flex-direction:column; padding:36px 30px; border-radius:22px;
    background:var(--nx-glass); border:1px solid var(--nx-line); backdrop-filter:blur(10px); transition:transform .3s;
}
.nx-price:hover { transform:translateY(-5px); }
.nx-price.is-hot { background:linear-gradient(160deg,rgba(99,102,241,.2),rgba(139,92,246,.08)); border-color:rgba(129,140,248,.45); box-shadow:0 20px 60px rgba(99,102,241,.2); }
.nx-hot-tag { position:absolute; top:-13px; left:50%; transform:translateX(-50%); padding:5px 16px; border-radius:100px;
    font-size:12px; font-weight:700; background:var(--nx-grad); color:#0a0b10; }
.nx-price h3 { font-size:19px; font-weight:700; color:#fff; margin-bottom:6px; }
.nx-price-desc { font-size:13.5px; color:var(--nx-muted); margin-bottom:22px; }
.nx-price-num { margin-bottom:26px; }
.nx-price-num b { font-size:46px; font-weight:800; color:#fff; letter-spacing:-.02em; }
.nx-price-num span { font-size:15px; color:var(--nx-muted); margin-left:3px; }
.nx-price-feat { list-style:none; padding:0; margin:0 0 28px; flex:1; }
.nx-price-feat li { display:flex; align-items:center; gap:10px; font-size:14px; color:#c7c9d4; padding:9px 0; }
.nx-price-feat li svg { color:var(--nx-cyan); flex-shrink:0; }
.nx-price-btn { text-align:center; padding:13px; border-radius:12px; font-size:15px; font-weight:600; text-decoration:none;
    background:rgba(255,255,255,.06); color:#fff; border:1px solid var(--nx-line); transition:all .25s; }
.nx-price-btn:hover { background:rgba(255,255,255,.12); }
.nx-price.is-hot .nx-price-btn { background:var(--nx-grad); color:#0a0b10; border-color:transparent; }

/* ── ⑤ PROCESS ── */
.nx-process { padding:clamp(60px,8vw,100px) 0; }
.nx-flow { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; position:relative; }
.nx-flow-step { position:relative; text-align:center; padding:0 10px; }
.nx-flow-no { width:64px; height:64px; margin:0 auto 20px; border-radius:18px; display:grid; place-items:center;
    font-size:22px; font-weight:800; background:var(--nx-glass); border:1px solid var(--nx-line);
    color:var(--nx-cyan); position:relative; z-index:1; }
.nx-flow-step:not(:last-child)::after { content:''; position:absolute; top:32px; left:calc(50% + 40px); width:calc(100% - 80px);
    height:1px; background:linear-gradient(90deg,var(--nx-brand),transparent); }
.nx-flow-step h4 { font-size:17px; font-weight:700; color:#fff; margin-bottom:8px; }
.nx-flow-step p { font-size:13.5px; color:var(--nx-muted); line-height:1.7; }

/* ── ⑥ FAQ ── */
.nx-faq { padding:clamp(60px,8vw,100px) 0; }
.nx-faq-list { display:flex; flex-direction:column; gap:12px; }
.nx-faq-item { border-radius:16px; background:var(--nx-glass); border:1px solid var(--nx-line); overflow:hidden; transition:border-color .3s; }
.nx-faq-item[open] { border-color:rgba(129,140,248,.35); }
.nx-faq-item summary { list-style:none; cursor:pointer; padding:20px 24px; display:flex; align-items:center; justify-content:space-between; gap:16px; font-size:16px; font-weight:600; color:#fff; }
.nx-faq-item summary::-webkit-details-marker { display:none; }
.nx-faq-ic { position:relative; width:20px; height:20px; flex-shrink:0; }
.nx-faq-ic::before,.nx-faq-ic::after { content:''; position:absolute; background:var(--nx-cyan); border-radius:2px; transition:transform .3s; }
.nx-faq-ic::before { top:9px; left:0; width:20px; height:2px; }
.nx-faq-ic::after { left:9px; top:0; width:2px; height:20px; }
.nx-faq-item[open] .nx-faq-ic::after { transform:rotate(90deg); }
.nx-faq-a { padding:0 24px 22px; font-size:14.5px; line-height:1.85; color:var(--nx-muted); }

/* ── ⑦ CTA ── */
.nx-cta { padding:clamp(60px,8vw,110px) 0; }
.nx-cta-card {
    position:relative; overflow:hidden; text-align:center; padding:clamp(56px,8vw,90px) clamp(28px,5vw,70px);
    border-radius:28px; background:linear-gradient(160deg,#0e1018,#12141f); border:1px solid var(--nx-line);
}
.nx-cta-glow { position:absolute; inset:0; z-index:0; filter:blur(70px); opacity:.6;
    background:radial-gradient(circle at 20% 20%,rgba(99,102,241,.5),transparent 45%),
               radial-gradient(circle at 80% 80%,rgba(34,211,238,.35),transparent 45%); }
.nx-cta-card h2 { position:relative; z-index:1; font-size:clamp(26px,4vw,44px); font-weight:800; letter-spacing:-.02em; color:#fff; margin-bottom:14px; }
.nx-cta-card p { position:relative; z-index:1; font-size:16px; color:var(--nx-muted); margin-bottom:34px; }
.nx-cta-btns { position:relative; z-index:1; display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ── 入场动画 ── */
@keyframes nxUp { from{opacity:0; transform:translateY(24px);} to{opacity:1; transform:none;} }
.nx-hero-inner > * { animation:nxUp .7s cubic-bezier(.2,.7,.3,1) backwards; }
.nx-badge{animation-delay:.05s;} .nx-h1{animation-delay:.15s;} .nx-lead{animation-delay:.25s;} .nx-hero-btns{animation-delay:.35s;}

/* ── 响应式 ── */
@media (max-width:900px){
    .nx-bento-grid { grid-template-columns:1fr 1fr; }
    .nx-card.wide { grid-column:span 2; }
    .nx-price-grid { grid-template-columns:1fr; max-width:440px; margin:0 auto; }
    .nx-flow { grid-template-columns:1fr 1fr; gap:32px 20px; }
    .nx-flow-step:not(:last-child)::after { display:none; }
}
@media (max-width:640px){
    .nx-stats-row { grid-template-columns:1fr 1fr; }
    .nx-bento-grid { grid-template-columns:1fr; }
    .nx-card.wide { grid-column:span 1; }
    .nx-flow { grid-template-columns:1fr; }
}

/* ==========================================================================
   服务营销落地页（sl-*） · 暗色 · 复用 --nx-* 设计令牌
   通过 body:has(.sl-root) 作用域，仅服务落地页生效，内页/文章保持浅色。
   ========================================================================== */
body:has(.sl-root) { background: var(--nx-bg); color: var(--nx-ink); }
body:has(.sl-root) .site-header { background: rgba(8,9,13,.72)!important; backdrop-filter: saturate(180%) blur(16px)!important; border-bottom: 1px solid var(--nx-line)!important; }
body:has(.sl-root) .brand-name { color:#fff; }
body:has(.sl-root) .brand-mark { background: var(--nx-grad)!important; color:#08090d; }
body:has(.sl-root) .primary-nav > a, body:has(.sl-root) .nav-trigger { color: var(--nx-muted)!important; }
body:has(.sl-root) .primary-nav > a:hover, body:has(.sl-root) .nav-trigger:hover { color:#fff!important; }
body:has(.sl-root) .nav-toggle span, body:has(.sl-root) .nav-toggle span::before, body:has(.sl-root) .nav-toggle span::after { background:#fff!important; }
body:has(.sl-root) .nav-sub { background:#12141d!important; border-color: var(--nx-line)!important; }
body:has(.sl-root) .nav-sub a { color: var(--nx-muted)!important; }
body:has(.sl-root) .site-footer { background: var(--nx-bg2)!important; border-top: 1px solid var(--nx-line)!important; }
body:has(.sl-root) .footer-brand strong, body:has(.sl-root) .footer-col h4 { color:#fff!important; }
body:has(.sl-root) .footer-brand p, body:has(.sl-root) .footer-col a, body:has(.sl-root) .footer-purpose, body:has(.sl-root) .footer-legal, body:has(.sl-root) .footer-bottom { color: var(--nx-muted)!important; }
body:has(.sl-root) .footer-col a:hover { color: var(--nx-cyan)!important; }

.sl-root { --sl-maxw:1200px; overflow:hidden; }
.sl-wrap { width:100%; max-width:var(--sl-maxw); margin:0 auto; padding:0 24px; }
.sl-wrap-narrow { max-width:820px; }
.sl-grad { background:var(--nx-grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; font-style:normal; }

/* HERO */
.sl-hero { position:relative; overflow:hidden; padding:clamp(96px,13vh,140px) 0 clamp(64px,8vh,96px); }
.sl-aurora { position:absolute; inset:0; z-index:0; filter:blur(70px); opacity:.5; pointer-events:none; }
.sl-aurora i { position:absolute; display:block; border-radius:50%; }
.sl-aurora i:nth-child(1){ width:520px;height:520px; background:#4f46e5; top:-160px; left:4%; }
.sl-aurora i:nth-child(2){ width:440px;height:440px; background:#7c3aed; top:-120px; right:2%; }
.sl-aurora i:nth-child(3){ width:400px;height:400px; background:#0891b2; bottom:-200px; left:42%; }
.sl-grid-bg { position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px; -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 40%,transparent 100%); mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 40%,transparent 100%); }
.sl-hero-grid { position:relative; z-index:1; display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.sl-crumb { font-size:13px; color:var(--nx-muted); margin-bottom:22px; }
.sl-crumb a { color:var(--nx-muted); text-decoration:none; }
.sl-crumb a:hover { color:#fff; }
.sl-crumb span { margin:0 8px; opacity:.5; }
.sl-crumb em { font-style:normal; color:var(--nx-cyan); }
.sl-badge { display:inline-flex; align-items:center; gap:9px; padding:8px 16px; border-radius:999px; font-size:13px; font-weight:600; letter-spacing:.02em; color:#dfe2ec; background:rgba(255,255,255,.05); border:1px solid var(--nx-line); backdrop-filter:blur(8px); }
.sl-badge i { width:7px;height:7px;border-radius:50%; background:var(--nx-cyan); box-shadow:0 0 12px var(--nx-cyan); }
.sl-h1 { font-size:clamp(32px,4.6vw,56px); font-weight:800; letter-spacing:-.02em; line-height:1.12; color:#fff; margin:22px 0 0; }
.sl-lead { font-size:clamp(15px,1.5vw,18px); color:var(--nx-muted); line-height:1.85; margin:20px 0 0; max-width:600px; }
.sl-price-hint { display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin:26px 0 0; padding:14px 18px; border-radius:14px; background:var(--nx-glass); border:1px solid var(--nx-line); }
.sl-price-hint span { font-size:12px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--nx-cyan); white-space:nowrap; }
.sl-price-hint b { font-size:15px; font-weight:500; color:#e7e9f0; line-height:1.6; }
.sl-hero-btns { display:flex; gap:14px; flex-wrap:wrap; margin-top:28px; }
.sl-btn { display:inline-flex; align-items:center; gap:8px; padding:14px 26px; border-radius:12px; font-size:15px; font-weight:600; text-decoration:none; border:1px solid transparent; transition:transform .2s,box-shadow .2s,background .2s; }
.sl-btn-primary { background:var(--nx-grad); color:#0a0b10; box-shadow:0 8px 30px rgba(129,140,248,.35); }
.sl-btn-primary:hover { transform:translateY(-2px); box-shadow:0 12px 40px rgba(129,140,248,.5); }
.sl-btn-ghost { background:var(--nx-glass); color:#fff; border-color:var(--nx-line); backdrop-filter:blur(8px); }
.sl-btn-ghost:hover { border-color:rgba(255,255,255,.28); }
.sl-btn-white { background:#fff; color:#0a0b10; }
.sl-btn-white:hover { transform:translateY(-2px); }
.sl-btn-outline { background:transparent; color:#fff; border-color:rgba(255,255,255,.28); }
.sl-btn-outline:hover { background:rgba(255,255,255,.08); }
.sl-hero-points { list-style:none; display:flex; gap:22px; flex-wrap:wrap; margin:26px 0 0; padding:0; }
.sl-hero-points li { position:relative; padding-left:22px; font-size:13.5px; color:var(--nx-muted); }
.sl-hero-points li::before { content:""; position:absolute; left:0; top:6px; width:12px;height:12px; border-radius:50%; background:var(--nx-grad); }
.sl-hero-media { position:relative; }
.sl-media-glow { position:absolute; inset:8% -6% -10% -6%; background:radial-gradient(circle at 50% 40%,rgba(99,102,241,.5),transparent 65%); filter:blur(40px); z-index:0; }
.sl-hero-media img { position:relative; z-index:1; width:100%; height:auto; display:block; border-radius:18px; border:1px solid var(--nx-line); box-shadow:0 30px 80px rgba(0,0,0,.5); }

/* STATS */
.sl-stats { position:relative; z-index:1; padding:8px 0 8px; }
.sl-stats-row { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--nx-line); border:1px solid var(--nx-line); border-radius:18px; overflow:hidden; }
.sl-stat { background:var(--nx-bg2); padding:30px 18px; text-align:center; }
.sl-stat b { display:block; font-size:clamp(28px,3.4vw,42px); font-weight:800; letter-spacing:-.02em; background:var(--nx-grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.sl-stat b em { font-style:normal; font-size:.55em; }
.sl-stat span { display:block; margin-top:6px; font-size:13.5px; color:var(--nx-muted); }

/* BLOCKS */
.sl-block { padding:clamp(56px,7vw,84px) 0; }
.sl-alt { background:var(--nx-bg2); border-top:1px solid var(--nx-line); border-bottom:1px solid var(--nx-line); }
.sl-head { text-align:center; margin-bottom:44px; }
.sl-eyebrow { display:inline-block; font-size:12.5px; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:var(--nx-cyan); margin-bottom:14px; }
.sl-head h2 { font-size:clamp(24px,3.2vw,38px); font-weight:800; letter-spacing:-.02em; color:#fff; margin:0; line-height:1.25; }

/* FEATURE GRID */
.sl-feat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.sl-feat { display:flex; gap:14px; align-items:flex-start; padding:22px; border-radius:14px; background:var(--nx-glass); border:1px solid var(--nx-line); transition:border-color .25s,transform .25s; }
.sl-feat:hover { border-color:rgba(255,255,255,.2); transform:translateY(-3px); }
.sl-feat-ic { flex-shrink:0; display:grid; place-items:center; width:34px;height:34px; border-radius:10px; background:var(--nx-grad); color:#0a0b10; }
.sl-feat p { margin:2px 0 0; font-size:14.5px; line-height:1.65; color:#cdd1dd; }

/* SPLIT / FITS */
.sl-split { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.sl-split-media { position:relative; border-radius:18px; overflow:hidden; border:1px solid var(--nx-line); box-shadow:0 24px 60px rgba(0,0,0,.45); }
.sl-split-media img { width:100%; height:auto; display:block; }
.sl-split-copy .sl-head { text-align:left; margin-bottom:28px; }
.sl-fits { list-style:none; margin:0; padding:0; display:grid; gap:14px; }
.sl-fits li { display:flex; gap:12px; align-items:flex-start; font-size:15.5px; color:#dfe2ec; line-height:1.6; }
.sl-fits li i { flex-shrink:0; margin-top:7px; width:16px;height:16px; border-radius:50%; background:var(--nx-grad); box-shadow:0 0 0 4px rgba(129,140,248,.14); }
.sl-text-link { display:inline-block; margin-top:26px; color:var(--nx-cyan); font-weight:600; text-decoration:none; font-size:15px; }
.sl-text-link:hover { text-decoration:underline; }

/* FLOW */
.sl-flow { display:grid; grid-template-columns:repeat(5,1fr); gap:16px; position:relative; }
.sl-flow-step { padding:26px 20px; border-radius:14px; background:var(--nx-glass); border:1px solid var(--nx-line); }
.sl-flow-no { font-size:15px; font-weight:800; letter-spacing:.02em; background:var(--nx-grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; margin-bottom:14px; }
.sl-flow-step h4 { margin:0 0 8px; font-size:16px; color:#fff; }
.sl-flow-step p { margin:0; font-size:13.5px; line-height:1.7; color:var(--nx-muted); }

/* FAQ */
.sl-faq-list { display:grid; gap:12px; }
.sl-faq-item { border-radius:14px; background:var(--nx-glass); border:1px solid var(--nx-line); overflow:hidden; }
.sl-faq-item summary { list-style:none; cursor:pointer; display:flex; justify-content:space-between; align-items:center; gap:16px; padding:20px 22px; font-size:16px; font-weight:600; color:#fff; }
.sl-faq-item summary::-webkit-details-marker { display:none; }
.sl-faq-ic { position:relative; flex-shrink:0; width:20px;height:20px; }
.sl-faq-ic::before, .sl-faq-ic::after { content:""; position:absolute; background:var(--nx-cyan); border-radius:2px; transition:transform .25s; }
.sl-faq-ic::before { top:9px; left:2px; width:16px;height:2px; }
.sl-faq-ic::after { top:2px; left:9px; width:2px;height:16px; }
.sl-faq-item[open] .sl-faq-ic::after { transform:rotate(90deg); opacity:0; }
.sl-faq-a { padding:0 22px 22px; font-size:15px; line-height:1.8; color:var(--nx-muted); }

/* RELATED */
.sl-rel-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.sl-rel { display:block; border-radius:16px; overflow:hidden; background:var(--nx-glass); border:1px solid var(--nx-line); text-decoration:none; transition:transform .25s,border-color .25s; }
.sl-rel:hover { transform:translateY(-4px); border-color:rgba(255,255,255,.2); }
.sl-rel img { width:100%; height:auto; display:block; border-bottom:1px solid var(--nx-line); }
.sl-rel-body { display:flex; justify-content:space-between; align-items:center; gap:12px; padding:16px 18px; }
.sl-rel-body b { font-size:15px; color:#fff; font-weight:600; }
.sl-rel-body i { font-style:normal; font-size:13px; color:var(--nx-cyan); white-space:nowrap; }

/* CTA */
.sl-cta { padding:clamp(48px,6vw,72px) 0 clamp(64px,7vw,88px); }
.sl-cta-card { position:relative; overflow:hidden; text-align:center; padding:clamp(44px,6vw,72px) 28px; border-radius:24px; background:linear-gradient(180deg,rgba(99,102,241,.14),rgba(11,13,20,.4)); border:1px solid rgba(129,140,248,.28); }
.sl-cta-glow { position:absolute; top:-40%; left:50%; transform:translateX(-50%); width:60%;height:120%; background:radial-gradient(circle,rgba(124,58,237,.4),transparent 62%); filter:blur(50px); pointer-events:none; }
.sl-cta-card h2 { position:relative; font-size:clamp(24px,3.4vw,40px); font-weight:800; color:#fff; margin:0 0 14px; letter-spacing:-.02em; }
.sl-cta-card p { position:relative; color:var(--nx-muted); font-size:16px; margin:0 0 30px; }
.sl-cta-btns { position:relative; display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* RESPONSIVE */
@media (max-width:960px){
  .sl-hero-grid, .sl-split { grid-template-columns:1fr; gap:36px; }
  .sl-hero-media { order:-1; }
  .sl-flow { grid-template-columns:repeat(2,1fr); }
  .sl-feat-grid, .sl-rel-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:640px){
  .sl-stats-row { grid-template-columns:repeat(2,1fr); }
  .sl-feat-grid, .sl-rel-grid, .sl-flow { grid-template-columns:1fr; }
  .sl-split-copy .sl-head { text-align:center; }
  .sl-hero-points { gap:12px; }
}

/* ── 服务栏目「暗色合集页」lsx-*：套用 .sl-root 暗色作用域，与营销落地页同一套设计令牌 ── */
.lsx-hero{position:relative;overflow:hidden;padding:96px 0 56px}
.lsx-aurora{position:absolute;inset:0;z-index:0;pointer-events:none;background:
 radial-gradient(600px 300px at 18% 0%, rgba(129,140,248,.22), transparent 70%),
 radial-gradient(700px 340px at 78% 12%, rgba(167,139,250,.16), transparent 70%),
 radial-gradient(520px 300px at 55% 100%, rgba(34,211,238,.10), transparent 70%)}
.lsx-hero>.sl-wrap{position:relative;z-index:1}
.lsx-catalog{padding:24px 0 48px}
.lsx-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.lsx-card{display:flex;flex-direction:column;border:1px solid var(--nx-line);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));overflow:hidden;text-decoration:none;color:inherit;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.lsx-card:hover{transform:translateY(-4px);border-color:rgba(129,140,248,.45);box-shadow:0 18px 44px rgba(8,9,13,.55),0 0 0 1px rgba(129,140,248,.18)}
.lsx-thumb{display:block;padding:18px 18px 0}
.lsx-thumb img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--nx-line)}
.lsx-body{display:flex;flex-direction:column;gap:8px;padding:16px 18px 6px;flex:1}
.lsx-body b{font-size:17px;color:var(--nx-ink)}
.lsx-body i{font-style:normal;font-size:13.5px;line-height:1.65;color:var(--nx-ink-3, #9aa3b8);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lsx-body em{font-style:normal;font-size:12.5px;color:#a5b4fc;margin-top:auto;padding-top:6px}
.lsx-go{padding:0 18px 16px;font-size:13px;color:#818cf8}
.lsx-card:hover .lsx-go{color:#22d3ee}
@media (max-width:960px){.lsx-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.lsx-grid{grid-template-columns:1fr}.lsx-hero{padding:64px 0 40px}}