/* =========================================================
   官网首页 · 蜘蛛池业务介绍落地页
   与 app.css 共存：复用 .cs-* / .modal-* / .qr-box / .copy-row 等通用组件
   ========================================================= */

:root {
    --lp-ink: #0b1730;
    --lp-ink-2: #334155;
    --lp-muted: #64748b;
    --lp-blue: #2563eb;
    --lp-blue-2: #4f46e5;
    --lp-cyan: #22d3ee;
    --lp-green: #07c160;
    --lp-bg: #f5f8ff;
    --lp-line: #e5edfb;
    --lp-shadow: 0 20px 48px -30px rgba(15, 35, 80, .55);
}

body.site-body { margin: 0; background: #ffffff; color: var(--lp-ink-2); font-size: 14px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
/* 只重置间距，不覆盖颜色：app.css 的低优先级 h1~h4 深色规则保留，
   深色区块里的 .lp-hero h1 / .lp-step h3 / .lp-cta h2 才能正常显示白字 */
h1, h2, h3, h4 { margin: 0; letter-spacing: -.02em; }
body.site-body p { margin: 0; }
.lp-wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

/* ---------------- 顶部导航 ---------------- */
.lp-nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(11,23,48,.07); }
.lp-nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 66px; }
.lp-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 750; color: var(--lp-ink); white-space: nowrap; }
.lp-brand-mark { width: 34px; height: 34px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: linear-gradient(135deg, var(--lp-blue), var(--lp-blue-2)); box-shadow: 0 8px 18px -10px rgba(37,99,235,.9); }
.lp-brand small { display: block; font-size: 10px; font-weight: 500; letter-spacing: .14em; color: var(--lp-muted); text-transform: uppercase; }
.lp-menu { display: flex; align-items: center; gap: 26px; font-size: 13.5px; font-weight: 600; color: var(--lp-ink-2); }
.lp-menu a:hover { color: var(--lp-blue); }
.lp-nav-actions { display: flex; align-items: center; gap: 10px; }

/* ---------------- 按钮 ---------------- */
.lp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 10px 20px; border-radius: 10px; border: 1px solid transparent; font-family: inherit; font-size: 13.5px; font-weight: 650; line-height: 1.3; white-space: nowrap; cursor: pointer; transition: transform .18s, box-shadow .18s, background .18s, border-color .18s; }
.lp-btn:hover { transform: translateY(-2px); }
.lp-btn-primary { color: #fff; background: linear-gradient(135deg, var(--lp-blue), var(--lp-blue-2)); box-shadow: 0 12px 26px -12px rgba(37,99,235,.95); }
.lp-btn-primary:hover { color: #fff; box-shadow: 0 16px 30px -12px rgba(37,99,235,1); }
.lp-btn-ghost { color: var(--lp-ink); background: #fff; border-color: var(--lp-line); }
.lp-btn-ghost:hover { border-color: #bcd0f5; color: var(--lp-blue); }
.lp-btn-white { color: var(--lp-blue); background: #fff; box-shadow: 0 14px 30px -16px rgba(0,0,0,.6); }
.lp-btn-white:hover { color: var(--lp-blue-2); }
.lp-btn-outline { color: #fff; border-color: rgba(255,255,255,.38); background: rgba(255,255,255,.06); }
.lp-btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.14); }
.lp-btn-lg { padding: 13px 26px; font-size: 14.5px; border-radius: 12px; }
.lp-btn-block { width: 100%; }

/* ---------------- Hero ---------------- */
.lp-hero { position: relative; overflow: hidden; color: #fff; background: radial-gradient(900px 560px at 78% -12%, #1e4bb8 0%, rgba(30,75,184,0) 62%), radial-gradient(700px 480px at 8% 10%, #0e7490 0%, rgba(14,116,144,0) 60%), linear-gradient(160deg, #0a1730 0%, #101f42 52%, #0a1730 100%); }
.lp-hero::before { content: ''; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(to bottom, #000, transparent 88%); }
.lp-hero::after { content: ''; position: absolute; right: -160px; top: -180px; width: 560px; height: 560px; border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,.22), transparent 68%); pointer-events: none; }
.lp-hero-inner { position: relative; z-index: 1; padding: 84px 0 0; text-align: center; }
.lp-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; background: rgba(255,255,255,.07); color: #b9d6ff; font-size: 12px; font-weight: 600; letter-spacing: .12em; }
.lp-eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--lp-cyan); box-shadow: 0 0 12px var(--lp-cyan); }
.lp-hero h1 { color: #fff; font-size: clamp(30px, 4.4vw, 50px); line-height: 1.28; margin: 24px 0 16px; font-weight: 800; }
.lp-hero h1 em { font-style: normal; background: linear-gradient(90deg, #7dd3fc, #a5b4fc 55%, #67e8f9); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lp-hero .lead { max-width: 760px; margin: 0 auto; color: rgba(226,238,255,.78); font-size: 15px; line-height: 1.95; }
.lp-hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.lp-hero-note { margin-top: 14px; font-size: 12.5px; color: rgba(226,238,255,.55); }
.lp-stats { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 66px; border-top: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.09); }
.lp-stat { padding: 26px 16px 30px; text-align: center; background: rgba(9,20,42,.55); }
.lp-stat strong { display: block; color: #fff; font-size: 28px; font-weight: 780; letter-spacing: -.03em; line-height: 1.3; }
.lp-stat span { display: block; margin-top: 4px; color: rgba(226,238,255,.6); font-size: 12.5px; }

/* ---------------- 通用区块 ---------------- */
.lp-section { padding: 86px 0; }
.lp-section.alt { background: var(--lp-bg); border-top: 1px solid var(--lp-line); border-bottom: 1px solid var(--lp-line); }
.lp-section-head { max-width: 720px; margin: 0 auto 46px; text-align: center; }
.lp-kicker { display: inline-block; margin-bottom: 12px; color: var(--lp-blue); font-size: 11.5px; font-weight: 750; letter-spacing: .18em; text-transform: uppercase; }
.lp-section-head h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.35; }
.lp-section-head p { margin-top: 12px; color: var(--lp-muted); font-size: 14px; line-height: 1.9; }
.lp-grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.lp-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.lp-card { padding: 26px 24px; border: 1px solid var(--lp-line); border-radius: 16px; background: #fff; box-shadow: var(--lp-shadow); transition: transform .2s, box-shadow .2s, border-color .2s; }
.lp-card:hover { transform: translateY(-4px); border-color: #c9dcff; box-shadow: 0 26px 54px -30px rgba(15,35,80,.6); }
.lp-card-icon { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; margin-bottom: 16px; color: var(--lp-blue); background: #eef4ff; }
.lp-card h3 { font-size: 16px; margin-bottom: 8px; }
.lp-card p { color: var(--lp-muted); font-size: 13px; line-height: 1.9; }
.lp-intro { max-width: 820px; margin: -22px auto 42px; text-align: center; color: var(--lp-muted); font-size: 14px; line-height: 2; }

/* ---------------- 工作原理 ---------------- */
.lp-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; counter-reset: step; }
.lp-step { position: relative; padding: 28px 22px 24px; border-radius: 16px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.13); }
.lp-step-num { display: block; margin-bottom: 16px; color: #7dd3fc; font-family: var(--mono, monospace); font-size: 26px; font-weight: 700; letter-spacing: -.04em; }
.lp-step h3 { color: #fff; font-size: 15.5px; margin-bottom: 8px; }
.lp-step p { color: rgba(226,238,255,.65); font-size: 12.8px; line-height: 1.9; }
.lp-step:not(:last-child)::after { content: '→'; position: absolute; right: -14px; top: 32px; z-index: 2; color: rgba(125,211,252,.8); font-size: 18px; }
.lp-dark { position: relative; color: #fff; background: radial-gradient(700px 400px at 85% 0%, #1b3f8f 0%, rgba(27,63,143,0) 60%), linear-gradient(150deg, #0a1730, #12224a); }
.lp-dark .lp-section-head h2 { color: #fff; }
.lp-dark .lp-section-head p { color: rgba(226,238,255,.65); }
.lp-dark .lp-kicker { color: #7dd3fc; }

/* ---------------- 搜索引擎 ---------------- */
.lp-engines { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.lp-engine { padding: 20px; border: 1px solid var(--lp-line); border-radius: 14px; background: #fff; }
.lp-engine-badge { display: inline-flex; align-items: center; justify-content: center; min-width: 54px; height: 28px; padding: 0 10px; border-radius: 8px; margin-bottom: 12px; background: #eef4ff; color: var(--lp-blue); font-size: 12px; font-weight: 750; }
.lp-engine h3 { font-size: 15px; margin-bottom: 6px; }
.lp-engine p { color: var(--lp-muted); font-size: 12.5px; line-height: 1.85; }
.lp-tip { margin-top: 22px; padding: 12px 18px; border: 1px dashed #cbdcf8; border-radius: 10px; background: #f2f7ff; color: var(--lp-muted); font-size: 12.5px; text-align: center; }

/* ---------------- 优势 ---------------- */
.lp-adv-icon { width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; margin-bottom: 14px; color: #fff; background: linear-gradient(135deg, var(--lp-blue), var(--lp-blue-2)); }

/* ---------------- 套餐 ---------------- */
.lp-plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 20px; align-items: stretch; }
.lp-plan { position: relative; display: flex; flex-direction: column; padding: 28px 24px 24px; border: 1px solid var(--lp-line); border-radius: 18px; background: #fff; box-shadow: var(--lp-shadow); transition: transform .2s, box-shadow .2s; }
.lp-plan:hover { transform: translateY(-4px); }
.lp-plan.featured { border-color: var(--lp-blue); box-shadow: 0 22px 50px -24px rgba(37,99,235,.85); }
.lp-plan-flag { position: absolute; top: -11px; right: 20px; padding: 3px 13px; border-radius: 999px; color: #fff; background: linear-gradient(135deg, var(--lp-blue), var(--lp-blue-2)); font-size: 11.5px; font-weight: 700; }
.lp-plan-name { font-size: 17px; font-weight: 750; color: var(--lp-ink); }
.lp-plan-desc { min-height: 22px; margin-top: 4px; color: var(--lp-muted); font-size: 12.5px; }
.lp-price { margin: 18px 0 4px; color: var(--lp-ink); font-size: 34px; font-weight: 780; letter-spacing: -.03em; line-height: 1.2; }
.lp-price em { margin-right: 3px; font-size: 17px; font-style: normal; font-weight: 650; }
.lp-price small { margin-left: 4px; color: var(--lp-muted); font-size: 13px; font-weight: 500; letter-spacing: 0; }
.lp-plan-list { list-style: none; padding: 0; margin: 18px 0 22px; display: grid; gap: 10px; font-size: 13px; color: var(--lp-ink-2); }
.lp-plan-list li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-bottom: 9px; border-bottom: 1px dashed var(--lp-line); }
.lp-plan-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.lp-plan-list strong { color: var(--lp-ink); }
.lp-plan .lp-btn { margin-top: auto; }
.lp-plan-foot { margin-top: 10px; color: var(--lp-faint, #94a3b8); font-size: 11.5px; text-align: center; }
.lp-empty { grid-column: 1 / -1; padding: 46px 20px; border: 1px dashed var(--lp-line); border-radius: 16px; background: #fff; text-align: center; color: var(--lp-muted); }
.lp-empty strong { display: block; margin-bottom: 6px; color: var(--lp-ink); font-size: 16px; }
.lp-plans-note { margin-top: 22px; text-align: center; color: var(--lp-muted); font-size: 12.5px; }

/* ---------------- CTA / FAQ / 页脚 ---------------- */
.lp-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.lp-cta h2 { color: #fff; font-size: clamp(22px, 2.6vw, 30px); }
.lp-cta p { margin-top: 8px; color: rgba(226,238,255,.68); font-size: 13.5px; }
.lp-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.lp-faq { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.lp-faq details { padding: 16px 20px; border: 1px solid var(--lp-line); border-radius: 12px; background: #fff; }
.lp-faq summary { cursor: pointer; color: var(--lp-ink); font-size: 14px; font-weight: 650; list-style: none; }
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq summary::after { content: '+'; float: right; color: var(--lp-blue); font-size: 18px; line-height: 1.2; }
.lp-faq details[open] summary::after { content: '−'; }
.lp-faq details p { margin-top: 10px; color: var(--lp-muted); font-size: 13px; line-height: 1.9; }
.lp-foot { padding: 42px 0 30px; background: #081126; color: rgba(226,238,255,.55); font-size: 12.5px; }
.lp-foot-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.lp-foot strong { color: #fff; font-size: 15px; }
.lp-foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.lp-foot-links a:hover { color: #7dd3fc; }
.lp-foot-bottom { margin-top: 26px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; }
.lp-foot-legal { margin-top: 12px; font-size: 12px; color: rgba(226,238,255,.5); }
.lp-foot-legal:empty { display: none; }
.lp-foot-legal a { color: rgba(226,238,255,.72); text-decoration: none; }
.lp-foot-legal a:hover { color: #7dd3fc; }
.lp-foot-legal .foot-sep { opacity: .55; margin: 0 4px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
    .lp-grid-4, .lp-steps, .lp-engines { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lp-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lp-step:not(:last-child)::after { display: none; }
}
@media (max-width: 820px) {
    .lp-menu { display: none; }
    .lp-section { padding: 62px 0; }
    .lp-hero-inner { padding-top: 60px; }
    .lp-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 48px; }
    .lp-grid-4, .lp-grid-3, .lp-engines { grid-template-columns: 1fr; }
    .lp-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    .lp-wrap { width: min(100% - 28px, 1180px); }
    .lp-nav-inner { height: 58px; }
    .lp-btn { padding: 9px 14px; font-size: 12.5px; }
    .lp-hero-inner { padding-top: 46px; }
    .lp-steps { grid-template-columns: 1fr; }
    .lp-stats { margin-top: 38px; }
    .lp-stat { padding: 18px 8px 22px; }
    .lp-stat strong { font-size: 22px; }
    .lp-cta-inner { flex-direction: column; align-items: flex-start; }
    .lp-hero-actions, .lp-cta-actions { flex-direction: column; align-items: stretch; width: 100%; }
    .lp-hero-actions .lp-btn, .lp-cta-actions .lp-btn { width: 100%; }
}

/* ---------------- 最新文章区块（官网首页） ---------------- */
.lp-menu a.lp-menu-on { color: var(--lp-blue); }
.lp-article-list { list-style: none; padding: 0; margin: 0 auto; max-width: 900px; display: grid; gap: 10px; }
.lp-article-list li { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 18px; border: 1px solid var(--lp-line); border-radius: 12px; background: #fff; transition: border-color .18s, transform .18s; }
.lp-article-list li:hover { border-color: #c9dcff; transform: translateY(-2px); }
.lp-article-list li a { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--lp-ink); font-size: 14.5px; font-weight: 650; }
.lp-article-list li a:hover { color: var(--lp-blue); }
.lp-article-date { flex: none; color: var(--lp-muted); font-size: 12px; font-family: var(--mono, monospace); }
.lp-article-list li.lp-article-empty { justify-content: center; color: var(--lp-muted); font-size: 13px; border-style: dashed; background: transparent; }
.lp-article-list li.lp-article-empty:hover { transform: none; border-color: var(--lp-line); }
.lp-article-foot { margin-top: 26px; text-align: center; }

/* ---------------- 文章中心（列表页） ---------------- */
.art-hero { padding: 64px 0 56px; color: #fff; background: radial-gradient(700px 380px at 82% 0%, #1e4bb8 0%, rgba(30,75,184,0) 62%), linear-gradient(155deg, #0a1730, #12224a); }
.art-hero h1 { color: #fff; font-size: clamp(28px, 3.6vw, 40px); line-height: 1.35; margin: 12px 0; }
.art-hero p { max-width: 760px; color: rgba(226,238,255,.76); font-size: 14.5px; line-height: 1.95; }
.art-hero .lp-kicker { color: #7dd3fc; }
.art-hero strong { color: #7dd3fc; }
.art-list-section { padding: 52px 0 80px; }
.art-search { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.art-search .input { flex: 1; min-width: 220px; }
.art-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.art-card { display: flex; flex-direction: column; padding: 22px 22px 20px; border: 1px solid var(--lp-line); border-radius: 16px; background: #fff; box-shadow: var(--lp-shadow); transition: transform .2s, border-color .2s; }
.art-card:hover { transform: translateY(-4px); border-color: #c9dcff; }
.art-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.art-card-top time { color: var(--lp-muted); font-size: 12px; }
.art-tag { display: inline-flex; align-items: center; padding: 3px 11px; border-radius: 999px; background: #eef4ff; color: var(--lp-blue); font-size: 11.5px; font-weight: 700; }
.art-tag.alt { background: #ecfdf5; color: #059669; }
.art-card h2 { font-size: 16.5px; line-height: 1.55; margin-bottom: 10px; }
.art-card h2 a { color: var(--lp-ink); }
.art-card h2 a:hover { color: var(--lp-blue); }
.art-excerpt { flex: 1; margin-bottom: 16px; color: var(--lp-muted); font-size: 13px; line-height: 1.9; }
.art-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 12px; border-top: 1px dashed var(--lp-line); }
.art-model { color: var(--lp-faint, #94a3b8); font-size: 11.5px; }
.art-more { color: var(--lp-blue); font-size: 13px; font-weight: 650; white-space: nowrap; }
.art-pager { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 32px; }
.art-page-info { margin-right: 8px; color: var(--lp-muted); font-size: 12.5px; }
.art-page-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 12px; border: 1px solid var(--lp-line); border-radius: 9px; background: #fff; color: var(--lp-ink-2); font-size: 13px; }
a.art-page-btn:hover { border-color: var(--lp-blue); color: var(--lp-blue); }
.art-page-btn.active { background: var(--lp-blue); border-color: var(--lp-blue); color: #fff; }

/* ---------------- 文章详情页 ---------------- */
.art-detail-section { padding: 44px 0 80px; }
.art-detail-wrap { max-width: 860px; }
.art-crumb { display: flex; align-items: center; gap: 8px; margin-bottom: 22px; color: var(--lp-muted); font-size: 12.5px; }
.art-crumb a { color: var(--lp-blue); }
.art-detail { overflow: hidden; border: 1px solid var(--lp-line); border-radius: 18px; background: #fff; box-shadow: var(--lp-shadow); }
.art-detail-head { padding: 38px 42px 26px; border-bottom: 1px solid var(--lp-line); }
.art-detail-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.art-detail-head h1 { color: var(--lp-ink); font-size: clamp(24px, 3vw, 34px); line-height: 1.45; }
.art-lead { margin-top: 14px; color: var(--lp-muted); font-size: 14.5px; line-height: 1.9; }
.art-detail-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 20px; color: var(--lp-faint, #94a3b8); font-size: 12px; }
.art-body { padding: 30px 42px 40px; color: var(--lp-ink-2); font-size: 15px; line-height: 2; }
.art-body p { margin: 0 0 18px; }
.art-body h2 { margin: 30px 0 14px; padding-left: 12px; border-left: 3px solid var(--lp-blue); color: var(--lp-ink); font-size: 20px; }
.art-body h3, .art-body h4 { margin: 24px 0 12px; color: var(--lp-ink); font-size: 17px; }
.art-body ul, .art-body ol { margin: 0 0 18px; padding-left: 24px; }
.art-body li { margin-bottom: 8px; }
.art-body strong { color: var(--lp-ink); }
.art-body code { padding: 2px 6px; border-radius: 5px; background: var(--lp-bg); font-size: 13px; }
.art-body blockquote { margin: 0 0 18px; padding: 12px 18px; border-left: 3px solid var(--lp-blue); background: var(--lp-bg); color: var(--lp-muted); }
.art-body .ai-figure { margin: 24px 0; text-align: center; }
.art-body .ai-figure img { display: block; width: 100%; max-width: 720px; height: auto; margin: 0 auto; border: 1px solid var(--lp-line); border-radius: 12px; }
.art-detail-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 20px 42px; border-top: 1px solid var(--lp-line); background: var(--lp-bg); color: var(--lp-muted); font-size: 12.5px; }
.art-neighbors { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 22px; }
.art-neighbors > div { display: grid; gap: 6px; padding: 16px 18px; border: 1px solid var(--lp-line); border-radius: 12px; background: #fff; }
.art-neighbors span { color: var(--lp-muted); font-size: 12px; }
.art-neighbors a { color: var(--lp-ink); font-size: 13.5px; font-weight: 650; }
.art-neighbors a:hover { color: var(--lp-blue); }
.art-related { margin-top: 34px; padding: 24px; border: 1px solid var(--lp-line); border-radius: 14px; background: #fff; }
.art-related h2 { margin-bottom: 14px; font-size: 17px; }
.art-related ul { display: grid; gap: 10px; list-style: none; padding: 0; margin: 0; }
.art-related li { display: flex; justify-content: space-between; gap: 14px; padding-bottom: 10px; border-bottom: 1px dashed var(--lp-line); font-size: 13.5px; }
.art-related li:last-child { padding-bottom: 0; border-bottom: 0; }
.art-related li a { color: var(--lp-ink-2); }
.art-related li a:hover { color: var(--lp-blue); }
.art-related li span { flex: none; color: var(--lp-muted); font-size: 12px; }

@media (max-width: 1080px) {
    .art-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
    .art-hero { padding: 44px 0 40px; }
    .art-grid, .art-neighbors { grid-template-columns: 1fr; }
    .art-detail-head, .art-body, .art-detail-foot { padding-left: 20px; padding-right: 20px; }
    .art-body { font-size: 14.5px; }
    .lp-article-list li { padding: 12px 14px; }
    .art-search .input { min-width: 100%; }
    .art-search .lp-btn { width: 100%; }
}