/* 丝路云境 · 无外部字体、框架或第三方请求。 */
:root[data-theme="silu-cloud"] {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #172238;
  --muted: #67758b;
  --line: #e2e8f1;
  --accent: #3566e8;
  --secondary: #8250dc;
  --soft: #edf2ff;
  --code: #eef2f7;
  --scrollbar: #c3ccdc;
  --radius: 16px;
  --glass: rgb(255 255 255 / 82%);
  --shadow: 0 8px 26px rgb(31 52 89 / 4%);
  --gradient: linear-gradient(110deg, #3163e6 8%, #7850dc 72%, #9a6bdf 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
:root[data-theme="silu-cloud"].dark {
  color-scheme: dark;
  --bg: #0d1424;
  --surface: #151f32;
  --text: #e7edf9;
  --muted: #9eabc1;
  --line: #2b3850;
  --accent: #99b4ff;
  --secondary: #c0a0ff;
  --soft: #212d49;
  --code: #111a2c;
  --scrollbar: #44516c;
  --glass: rgb(21 31 50 / 86%);
  --shadow: 0 8px 26px rgb(0 0 0 / 12%);
  --gradient: linear-gradient(110deg, #8cacff 8%, #baa0ff 72%, #d2afff 100%);
}
.silu-page { font-size: 15px; line-height: 1.75; }
.silu-page .page-viewport { background: transparent; }
.silu-page .silu-header { overflow: visible; max-height: none; border-bottom: 0; box-shadow: none; background: var(--glass); z-index: 12; }
.silu-page .header-inner { position: relative; max-width: 1240px; min-height: 78px; padding: 16px 32px; gap: 22px; }
.silu-page .brand { gap: 11px; font-size: 21px; font-weight: 760; letter-spacing: -.6px; max-width: 45%; min-width: 0; }
.silu-page .brand img { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 12px; }
.silu-page .brand span { line-height: 1.35; }
.silu-page .header-inner > nav { gap: 10px 24px; align-items: center; font-size: 13px; }
.silu-page .header-inner > nav a { padding: 4px 0; white-space: normal; overflow-wrap: anywhere; }
.silu-page .header-inner > nav a:hover, .silu-page .header-inner > nav a[aria-current] { color: var(--accent); }
.silu-page .header-inner > nav a[aria-current]::after { background: var(--accent); }
.silu-page .search-toggle, .silu-page .theme-toggle, .silu-page .menu-toggle { border-radius: 10px; border: 1px solid var(--line); width: 36px; height: 36px; color: var(--muted); background: transparent; flex-shrink: 0; padding: 0; }
.silu-page .search-toggle:hover, .silu-page .theme-toggle:hover { background: var(--soft); border-color: var(--accent); color: var(--accent); }
.silu-page .silu-shell { width: 100%; max-width: 1180px; margin: 0 auto; padding: 36px 40px 52px; min-width: 0; flex: 1; }
.silu-page .home-shell { display: block; }
.silu-page .silu-hero { padding: 18px 0 0; max-width: 930px; margin: 0 auto; text-align: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 9px; padding: 6px 15px; background: var(--glass); border: 1px solid var(--line); border-radius: 30px; font-size: 12px; font-weight: 650; color: var(--muted); box-shadow: var(--shadow); }
.hero-badge > span { width: 6px; height: 6px; border-radius: 50%; background: #35c99a; box-shadow: 0 0 0 4px rgb(53 201 154 / 12%); }
.silu-hero h1 { font-size: clamp(30px, 7.8vw, 72px); line-height: 1.25; letter-spacing: -1.5px; font-weight: 850; margin: 24px 0 18px; overflow-wrap: anywhere; }
.silu-hero .hero-title { display: flex; align-items: baseline; justify-content: center; gap: .22em; white-space: nowrap; }
.gradient-text { color: var(--accent); background: var(--gradient); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.silu-hero .hero-description { font-size: 16px; color: var(--muted); line-height: 1.9; max-width: 650px; margin: 0 auto; overflow-wrap: anywhere; }
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.silu-button { display: inline-flex; align-items: center; justify-content: center; gap: 11px; min-height: 48px; padding: 11px 26px; border-radius: 12px; border: 1px solid var(--line); font-size: 14px; font-weight: 700; transition: transform .18s ease, box-shadow .18s ease; }
.silu-button-primary { background: linear-gradient(110deg, #3163e6, #8250dc); border-color: transparent; color: #fff; box-shadow: 0 7px 20px rgb(70 97 225 / 19%); }
.hero-actions .silu-button-primary { width: min(280px, 100%); }
.silu-button-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgb(70 97 225 / 25%); }
.silu-button-secondary { background: var(--glass); color: var(--text); }
.silu-button-secondary:hover { color: var(--accent); border-color: var(--accent); }
.silu-page .silu-hero .site-banners { margin: 21px 0 0; border: 0; background: transparent; overflow: visible; border-radius: 0; }
.silu-page .silu-hero .banner-slide { min-height: 0; background: transparent; border: 0; border-radius: 18px; padding: 0; box-shadow: none; }
.silu-page .silu-hero .banner-copy { padding: 0 4px; text-align: center; }
.silu-page .silu-hero .banner-copy h2 { font-size: clamp(30px, 7.8vw, 72px); line-height: 1.3; font-weight: 850; letter-spacing: -1.4px; margin: 0 0 16px; color: var(--text); overflow-wrap: anywhere; }
.silu-page .silu-hero .banner-copy h2 strong { color: var(--accent); background: var(--gradient); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.silu-page .silu-hero .banner-copy p { color: var(--muted); font-size: 16px; line-height: 1.9; margin: 0 auto; max-width: 670px; }
.silu-page .silu-hero .banner-with-image { min-height: 270px; overflow: hidden; }
.silu-page .silu-hero .banner-with-image .banner-copy { padding: 32px; }
.silu-page .silu-hero .banner-with-image .banner-image { max-height: 420px; width: 100%; object-fit: cover; }
.silu-page .silu-hero .banner-with-overlay .banner-copy h2, .silu-page .silu-hero .banner-with-overlay .banner-copy p { color: #fff; }
.silu-page .silu-hero .banner-with-overlay .banner-copy strong { color: #fff; background: none; -webkit-text-fill-color: currentColor; }
.silu-page .silu-hero .banner-controls { margin-top: 15px; }
.silu-page .silu-regions { max-width: 960px; margin: 48px auto 0; }
.region-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.region-card { position: relative; display: flex; align-items: center; min-height: 76px; min-width: 0; gap: 12px; padding: 15px 17px; background: var(--glass); border: 1px solid var(--line); border-radius: 13px; box-shadow: var(--shadow); transition: border-color .18s ease, transform .18s ease; }
.region-icon { display: grid; flex-shrink: 0; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--soft); color: var(--accent); font-size: 16px; font-weight: 650; }
.region-card:nth-child(3n + 2) .region-icon { color: var(--secondary); }
.region-card > div { flex: 1; min-width: 0; }
.region-card h3 { margin: 0; color: var(--text); font-size: 14px; line-height: 1.5; font-weight: 700; overflow-wrap: anywhere; }
.region-card p { margin: 3px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.region-dot { display: block; flex: 0 0 7px; width: 7px; height: 7px; border-radius: 50%; background: #35c99a; }
.silu-page .silu-plans { max-width: 960px; margin: 58px auto 0; scroll-margin-top: 22px; }
.section-heading { text-align: center; margin-bottom: 29px; }
.silu-kicker { display: block; font-size: 11px; letter-spacing: 1.2px; font-weight: 650; color: var(--accent); margin-bottom: 8px; }
.section-heading h2 { margin: 0; color: var(--text); font-size: 28px; line-height: 1.5; font-weight: 760; letter-spacing: -.6px; }
.section-heading p { margin: 7px 0 0; font-size: 13px; color: var(--muted); }
.plan-grid, .silu-page .silu-plans .ad-slot-wide { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 0; }
.plan-card, .silu-page .silu-plans .ad-card { position: relative; min-width: 0; padding: 25px 25px 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--glass); box-shadow: var(--shadow); }
.plan-card { display: flex; flex-direction: column; }
.plan-tier { display: block; color: var(--muted); font-size: 12px; font-weight: 650; }
.plan-card h3 { font-size: 18px; font-weight: 720; margin: 5px 0 18px; }
.plan-price { color: var(--text); font-size: 36px; font-weight: 800; letter-spacing: -1px; line-height: 1.3; white-space: nowrap; }
.plan-price > span { display: inline; margin-left: 6px; color: var(--muted); font-size: 14px; font-weight: 400; letter-spacing: 0; }
.plan-card > p { font-size: 12px; line-height: 1.8; color: var(--muted); min-height: 44px; margin: 15px 0 17px; }
.plan-card ul { list-style: none; padding: 0; margin: 0 0 22px; color: var(--muted); font-size: 13px; }
.plan-card li { margin: 12px 0; }
.plan-card li::before { content: "—"; margin-right: 9px; color: var(--accent); }
.plan-coming { display: block; margin-top: auto; padding: 10px 15px; border: 1px solid var(--line); border-radius: 10px; background: linear-gradient(110deg, #3163e6, #8250dc); border-color: transparent; color: #fff; text-align: center; font-size: 12px; font-weight: 650; }
.plan-card .plan-features { margin-bottom: 13px; }
.plan-features li { position: relative; padding-left: 20px; line-height: 1.65; }
.plan-card .plan-features li::before { position: absolute; left: 0; top: 0; margin: 0; content: "✓"; color: #179b73; font-weight: 750; }
:root.dark .plan-card .plan-features li::before { color: #5ccdaf; }
.plan-featured, .silu-page .silu-plans .ad-card:nth-child(2) { border: 2px solid #5475ed; padding: 24px 24px 21px; background: var(--surface); box-shadow: 0 10px 34px rgb(76 99 209 / 10%); }
.plan-featured .plan-tier { color: var(--accent); }
.plan-featured .plan-coming { background: linear-gradient(110deg, #3163e6, #8250dc); color: #fff; border-color: transparent; }
.silu-page a.plan-coming:hover { color: #fff; border-color: transparent; box-shadow: 0 5px 18px rgb(70 97 225 / 22%); }
.silu-page .plan-featured a.plan-coming:hover { color: #fff; box-shadow: 0 5px 18px rgb(70 97 225 / 22%); }
.silu-plan-promos { max-width: 960px; margin: 28px auto 0; }
.silu-plan-promos .ad-slot-wide { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.plan-badge { position: absolute; top: 0; right: 20px; transform: translateY(-50%); background: linear-gradient(110deg, #3163e6, #8250dc); padding: 3px 12px; font-size: 10px; font-weight: 650; border-radius: 30px; color: #fff; }
.silu-page .silu-plans .ad-card { display: flex; flex-direction: column; overflow: hidden; }
.silu-page .silu-plans .ad-card-mixed { grid-template-columns: none; }
.silu-page .silu-plans .ad-copy { padding: 0; flex: 1; font-size: 13px; color: var(--muted); }
.silu-page .silu-plans .ad-copy h2, .silu-page .silu-plans .ad-copy h3 { color: var(--text); font-size: 18px; margin-top: 0; font-weight: 750; }
.silu-page .silu-plans .ad-copy > p:first-of-type > strong { display: block; color: var(--text); font-size: 40px; letter-spacing: -1px; line-height: 1.4; }
.silu-page .silu-plans .ad-copy ul { margin: 22px 0; list-style: none; padding: 0; }
.silu-page .silu-plans .ad-copy li { margin: 10px 0; padding-left: 21px; position: relative; }
.silu-page .silu-plans .ad-copy li::before { content: "✓"; color: var(--accent); position: absolute; left: 0; }
.silu-page .silu-plans .ad-image { width: 100%; height: auto; max-height: 210px; object-fit: contain; border-radius: 9px; margin-bottom: 18px; }
.silu-page .silu-plans .ad-card::after { content: "查看详情 ↗"; margin-top: 18px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: var(--soft); text-align: center; font-size: 13px; font-weight: 650; }
.silu-page .silu-plans .ad-card:nth-child(2)::after { background: linear-gradient(110deg, #3163e6, #8250dc); color: #fff; border-color: transparent; }
.silu-highlights { max-width: 960px; margin: 32px auto 0; scroll-margin-top: 28px; }
.platform-list { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; list-style: none; margin: 0; padding: 0; }
.platform-tag { padding: 5px 13px; border-radius: 8px; border: 1px solid color-mix(in srgb, var(--tag-color) 18%, var(--surface)); background: color-mix(in srgb, var(--tag-color) 5%, var(--surface)); color: var(--tag-color); font-size: 12px; font-weight: 650; line-height: 1.5; white-space: nowrap; }
.platform-chatgpt { --tag-color: #3264e9; }
.platform-claude { --tag-color: #9550dc; }
.platform-gemini { --tag-color: #089a69; }
.platform-netflix { --tag-color: #e63848; }
.platform-tiktok { --tag-color: #ffffff; background: #111827; border-color: #111827; }
.platform-disney { --tag-color: #db3c93; }
.platform-youtube { --tag-color: #b76a0a; }
.platform-telegram { --tag-color: #1686c2; }
.platform-x { --tag-color: #454c58; }
:root.dark .platform-chatgpt { --tag-color: #99b4ff; }
:root.dark .platform-claude { --tag-color: #c0a0ff; }
:root.dark .platform-gemini { --tag-color: #73dbb6; }
:root.dark .platform-netflix { --tag-color: #ff9ca5; }
:root.dark .platform-disney { --tag-color: #f5a5d1; }
:root.dark .platform-youtube { --tag-color: #f0c282; }
:root.dark .platform-telegram { --tag-color: #8ed0f5; }
:root.dark .platform-x { --tag-color: #d2d9e5; }
.network-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 36px; }
.metric-card { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-height: 90px; padding: 16px 10px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); }
.metric-card strong { color: var(--accent); font-size: 26px; font-weight: 850; line-height: 1.3; }
.metric-card:nth-child(2n) strong { color: var(--secondary); }
.metric-card span { color: var(--muted); font-size: 12px; line-height: 1.6; text-align: center; }
.silu-home-promos { max-width: 960px; margin: 36px auto 0; }
.silu-home-promos .ad-slot { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.silu-page .content-column { min-width: 0; }
.section-heading-left { display: flex; justify-content: space-between; align-items: center; gap: 12px; text-align: left; margin-bottom: 22px; }
.section-heading-left h2 { font-size: 22px; }
.section-heading-left .silu-kicker { margin-bottom: 3px; }
.text-link { white-space: nowrap; color: var(--muted); font-size: 12px; }
.silu-page .article-list { display: grid; gap: 14px; }
.silu-page .article-card { display: block; padding: 22px 24px; margin: 0; background: var(--glass); border: 1px solid var(--line); border-radius: 15px; box-shadow: var(--shadow); }
.silu-page .article-card::before, .silu-page .article-card::after { content: none; }
.silu-page .article-card.has-cover { display: grid; grid-template-columns: 150px minmax(0, 1fr); align-items: start; gap: 21px; }
.silu-page .article-cover { width: 100%; margin: 0; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 10px; }
.silu-page .article-cover img { display: block; width: 100%; height: 100%; object-fit: cover; }
.silu-page .card-content { min-width: 0; }
.silu-page .article-card h2 { margin: 0 0 8px; color: var(--text); font-size: 17px; line-height: 1.6; font-weight: 700; letter-spacing: -.15px; overflow-wrap: anywhere; }
.silu-page .article-card h2 a:hover { color: var(--accent); }
.silu-page .pinned { display: inline-block; font-size: 10px; padding: 1px 6px; margin-left: 8px; background: var(--soft); color: var(--accent); border-radius: 5px; vertical-align: middle; }
.silu-page .card-summary { margin: 0 0 14px; color: var(--muted); font-size: 13px; line-height: 1.85; overflow-wrap: anywhere; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.silu-page .card-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 11px; line-height: 1.6; color: var(--muted); }
.silu-page .card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 9px; }
.silu-page .card-meta time { font-size: inherit; }
.silu-page .card-category { color: var(--accent); }
.silu-page .read-more { flex-shrink: 0; color: var(--accent); font-size: 11px; }
.silu-page .silu-shell .home-rail { position: static; display: grid; gap: 20px; max-height: none; align-self: start; }
.silu-page .silu-shell .home-rail > .ad-slot { overflow: visible; max-height: none; }
.silu-page .ad-card { border-radius: 15px; box-shadow: var(--shadow); }
.silu-page .ad-copy { font-size: 13px; }
.silu-page .pagination { font-size: 12px; gap: 12px; padding-top: 22px; border-top: 0; }
.silu-page .pagination a { border: 1px solid var(--line); border-radius: 9px; padding: 8px 14px; background: var(--surface); color: var(--accent); }
.silu-page .archive-shell { max-width: 980px; display: block; }
.silu-page .archive-header { padding: 12px 0 28px; }
.silu-page .archive-header h1 { margin: 0; font-size: clamp(26px, 3vw, 36px); font-weight: 780; line-height: 1.4; overflow-wrap: anywhere; }
.silu-page .archive-header p { color: var(--muted); max-width: 660px; font-size: 14px; line-height: 1.85; }
.silu-page .silu-empty { padding: 38px 24px; border: 1px dashed var(--line); border-radius: 15px; background: var(--glass); text-align: center; }
.silu-page .silu-empty svg { color: var(--accent); margin-bottom: 6px; }
.silu-page .silu-empty h2 { font-size: 18px; }
.silu-page .silu-empty p { color: var(--muted); font-size: 13px; }
.silu-page .article-shell { max-width: 1180px; grid-template-columns: minmax(0, 1fr) 235px; gap: 22px 28px; }
.silu-page .article-shell > article { padding: 34px; background: var(--glass); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); }
.silu-page .article-header { border-bottom: 1px solid var(--line); padding-bottom: 23px; margin-bottom: 26px; }
.silu-page .article-header h1 { margin: 8px 0 16px; font-size: clamp(25px, 3vw, 35px); line-height: 1.5; font-weight: 780; letter-spacing: -.5px; overflow-wrap: anywhere; }
.silu-page .article-header .eyebrow { color: var(--accent); font-size: 11px; letter-spacing: .8px; }
.silu-page .article-header .metadata { font-size: 12px; }
.silu-page .chips { margin-top: 14px; }
.silu-page .chips a { border: 0; border-radius: 6px; background: var(--soft); color: var(--accent); padding: 3px 8px; font-size: 11px; }
.silu-page .prose { color: var(--text); font-size: 15px; line-height: 2; overflow-wrap: anywhere; }
.silu-page .prose h2 { font-size: 23px; line-height: 1.5; margin-top: 32px; }
.silu-page .prose h3 { font-size: 19px; line-height: 1.6; }
.silu-page .prose blockquote { border-color: var(--accent); padding: 14px 20px; border-radius: 0 10px 10px 0; background: var(--soft); color: var(--muted); }
.silu-page .prose img { border-radius: 12px; }
.silu-page .prose pre { border: 1px solid var(--line); border-radius: 12px; max-width: 100%; overflow: auto; }
.silu-page .prose table { max-width: 100%; overflow: auto; display: block; }
.silu-page .silu-shell .article-rail { position: sticky; top: 20px; display: flex; gap: 20px; flex-direction: column; max-height: calc(var(--article-scroll-height, 70vh) - 48px); align-self: start; }
.silu-page .silu-shell .article-rail > .toc { border: 1px solid var(--line); border-radius: 15px; padding: 20px; background: var(--glass); margin: 0; max-height: calc((var(--article-scroll-height, 70vh) - 48px) / 2); }
.silu-page .silu-shell .article-rail > .toc > div { font-size: 13px; color: var(--text); margin-bottom: 12px; }
.silu-page .silu-shell .article-rail > .toc a { font-size: 12px; line-height: 1.9; color: var(--muted); overflow-wrap: anywhere; }
.silu-page .silu-shell .article-rail > .toc a:hover { color: var(--accent); }
.silu-page .silu-shell .article-rail > .ad-slot { min-height: 0; overflow-y: auto; grid-auto-rows: max-content; align-content: start; }
/* 侧栏空间不足时滚动整张广告，避免网格压缩卡片并截掉图片后的文字。 */
.silu-page .article-rail .ad-card { min-width: 0; }
.silu-page .article-rail .ad-card-mixed { display: grid; grid-template-columns: 56px minmax(0, 1fr); align-items: center; gap: 12px; padding: 16px; }
.silu-page .article-rail .ad-card-mixed > .ad-image { width: 56px; height: 56px; max-height: none; object-fit: contain; border-radius: 10px; }
.silu-page .article-rail .ad-card-mixed > .ad-copy { min-width: 0; padding: 0; font-size: 12px; line-height: 1.75; }
.silu-page .article-rail .ad-copy h2, .silu-page .article-rail .ad-copy h3, .silu-page .article-rail .ad-copy h4 { font-size: 15px; line-height: 1.5; margin: 0 0 4px; }
.silu-page .article-rail .ad-copy p { margin: 6px 0 0; color: var(--muted); }
.silu-page .like-button { border-radius: 10px; background: var(--soft); color: var(--accent); border: 1px solid var(--line); }
.silu-page .back-to-top { border-radius: 12px; background: var(--surface); }
.silu-page .silu-footer { width: calc(100% - 64px); max-width: 1176px; border-top: 1px solid var(--line); padding: 14px 0; font-size: 11px; color: var(--muted); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 5px 18px; }
.footer-signature { display: inline-flex; align-items: center; gap: 8px; }
.footer-signature > span { width: 5px; height: 5px; background: var(--accent); border-radius: 50%; }
.silu-page .friend-links { margin-top: 10px; font-size: 11px; gap: 5px 14px; justify-content: flex-start; }
.silu-page .reader-dialog { border-radius: 18px; }
.silu-page .reader-dialog-header { padding: 18px 24px; }
.silu-page .reader-dialog-header h2 { font-size: 18px; }
.silu-page .reader-dialog-body { padding: 22px 24px; }
@media (max-width: 1100px) {
  .silu-page .header-inner { gap: 13px; }
  .silu-page .header-inner > nav { gap: 8px 15px; }
  .silu-page .brand { font-size: 18px; }
  .silu-page .silu-shell { padding-inline: 28px; }
  .silu-page .article-card.has-cover { grid-template-columns: 120px minmax(0, 1fr); gap: 16px; }
  .plan-card, .silu-page .silu-plans .ad-card { padding: 23px 21px; }
  .plan-featured, .silu-page .silu-plans .ad-card:nth-child(2) { padding: 22px 20px; }
}
@media (max-width: 980px) {
  .silu-page .article-shell { grid-template-columns: minmax(0, 1fr); }
  .silu-page .silu-shell .article-rail { position: static; max-height: none; margin-top: 0; }
  .silu-page .silu-shell .article-rail > .toc { display: none; }
  .silu-page .silu-shell .article-rail > .ad-slot { overflow: visible; max-height: none; }
}
@media (max-width: 760px) {
  .silu-page .header-inner { min-height: 65px; padding: 12px 20px; gap: 10px; flex-wrap: wrap; }
  .silu-page .brand { max-width: none; flex: 1; font-size: 17px; gap: 9px; }
  .silu-page .brand img { width: 34px; height: 34px; border-radius: 10px; }
  .silu-page .search-toggle, .silu-page .theme-toggle, .silu-page .menu-toggle { width: 32px; height: 32px; }
  .silu-page .header-inner > nav { order: 5; flex-basis: 100%; justify-content: flex-start; padding-top: 8px; }
  .silu-page .navigation-ready > nav { display: none; }
  .silu-page .navigation-ready > .menu-toggle { display: grid; place-items: center; }
  .silu-page .navigation-ready > nav.is-open { position: absolute; top: calc(100% - 1px); left: 14px; right: 14px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; padding: 14px; max-height: 55dvh; overflow: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 0 0 15px 15px; box-shadow: 0 16px 30px rgb(17 32 64 / 12%); z-index: 20; }
  .silu-page .navigation-ready > nav.is-open a { padding: 8px 10px; }
  .silu-page .header-inner > nav a[aria-current]::after { left: 10px; right: auto; width: 18px; }
  .silu-page .silu-shell { padding: 26px 20px 38px; }
  .silu-page .silu-hero { padding: 8px 0 0; }
  .hero-badge { font-size: 11px; padding: 5px 12px; }
  .silu-hero h1, .silu-page .silu-hero .banner-copy h2 { font-size: clamp(23px, 7.7vw, 55px); line-height: 1.32; letter-spacing: -.7px; margin-top: 20px; }
  .silu-page .silu-hero .hero-description, .silu-page .silu-hero .banner-copy p { font-size: 13px; line-height: 1.9; padding: 0 4px; }
  .hero-actions { margin-top: 22px; gap: 10px; }
  .silu-button { font-size: 12px; padding: 10px 16px; min-height: 43px; border-radius: 10px; }
  .silu-page .silu-hero .banner-with-image { min-height: 200px; }
  .silu-page .silu-hero .banner-with-image .banner-copy { padding: 18px; }
  .silu-page .silu-hero .banner-with-image .banner-copy h2 { font-size: 28px; }
  .silu-page .silu-regions { margin-top: 34px; }
  .region-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .region-card { display: grid; grid-template-columns: 29px minmax(0, 1fr); min-height: 68px; padding: 12px 10px; gap: 4px 8px; border-radius: 11px; }
  .region-card > div { display: contents; }
  .region-icon { width: 29px; height: 29px; font-size: 13px; border-radius: 8px; }
  .region-card h3 { grid-column: 2; padding-right: 10px; font-size: 12px; }
  .region-card p { grid-column: 1 / -1; font-size: 10px; margin: 0; }
  .region-dot { position: absolute; top: 20px; right: 10px; width: 6px; height: 6px; }
  .silu-page .silu-plans { margin-top: 39px; }
  .section-heading { margin-bottom: 22px; }
  .section-heading h2 { font-size: 23px; line-height: 1.45; }
  .section-heading p { font-size: 12px; }
  .silu-kicker { font-size: 10px; }
  .plan-grid, .silu-page .silu-plans .ad-slot-wide { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .silu-plan-promos .ad-slot-wide { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .plan-card, .silu-page .silu-plans .ad-card { padding: 25px; }
  .plan-featured, .silu-page .silu-plans .ad-card:nth-child(2) { padding: 24px; }
  .plan-card > p { min-height: 0; }
  .plan-price { font-size: 34px; }
  .silu-highlights { margin-top: 24px; }
  .platform-list { gap: 7px; }
  .platform-tag { padding: 5px 10px; font-size: 11px; }
  .network-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 24px; }
  .metric-card { min-height: 84px; padding: 14px 8px; }
  .metric-card strong { font-size: 23px; }
  .metric-card span { font-size: 11px; }
  .silu-home-promos { margin-top: 24px; }
  .silu-home-promos .ad-slot { grid-template-columns: minmax(0, 1fr); }
  .section-heading-left h2 { font-size: 20px; }
  .text-link { font-size: 11px; }
  .silu-page .article-card { padding: 19px; }
  .silu-page .article-card.has-cover { grid-template-columns: minmax(0, 1fr); gap: 15px; }
  .silu-page .article-cover { aspect-ratio: 16 / 9; }
  .silu-page .article-card h2 { font-size: 16px; }
  .silu-page .card-footer { flex-wrap: wrap; }
  .silu-page .card-summary { font-size: 12px; }
  .silu-page .silu-shell .home-rail { margin-top: 22px; gap: 16px; }
  .silu-page .silu-shell .article-rail .ad-slot { grid-template-columns: minmax(0, 1fr); }
  .silu-page .article-shell > article { border-radius: 15px; padding: 23px 19px; }
  .silu-page .article-header h1 { font-size: 26px; }
  .silu-page .prose { font-size: 14px; }
  .silu-page .prose h2 { font-size: 21px; }
  .silu-page .silu-footer { width: calc(100% - 40px); padding: 11px 0; font-size: 10px; }
  .footer-inner { gap: 3px 10px; }
  .footer-signature { font-size: 10px; }
  .silu-page .friend-links { font-size: 10px; margin-top: 7px; }
  .silu-page .reader-dialog-header, .silu-page .reader-dialog-body { padding: 18px; }
}
@media (max-width: 359px) {
  .silu-page .header-inner { padding-inline: 14px; gap: 7px; }
  .silu-page .brand { font-size: 15px; }
  .silu-page .silu-shell { padding-inline: 16px; }
  .silu-button { font-size: 11px; padding-inline: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  :root[data-theme="silu-cloud"] { scroll-behavior: auto; }
  .silu-page .page-scroll, .silu-page .article-scroll { scroll-behavior: auto; }
  .silu-page a, .silu-button, .region-card { transition: none; }
  .silu-button:hover { transform: none; }
}

/* SEO 文案与正文推广入口：长标题在窄屏自然换行。 */
.silu-hero .hero-title { flex-wrap: wrap; white-space: normal; font-size: clamp(30px, 6vw, 64px); }
.silu-reference-note { max-width: 760px; margin: 14px auto 22px; color: var(--muted); font-size: 13px; text-align: center; }
.silu-guide-promotions { margin: 28px 0; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--soft); }
.silu-guide-promotions h2 { margin: 0 0 8px; font-size: 20px; }
.silu-guide-promotions p { margin: 0 0 16px; color: var(--muted); }
.silu-guide-promotion-links { display: flex; flex-wrap: wrap; gap: 12px; }
.silu-guide-promotion-links a { scroll-margin-top: 24px; max-width: 100%; overflow-wrap: anywhere; }
@media (max-width: 760px) {
  .silu-hero .hero-title { font-size: clamp(27px, 7.7vw, 45px); }
  .silu-page .brand { font-size: 15px; }
  .silu-reference-note { font-size: 12px; }
  .silu-guide-promotions { padding: 16px; }
  .silu-guide-promotion-links { flex-direction: column; }
}

/* 套餐按服务方分行：FlyBit 四列，99吧三列。 */
.silu-page .silu-plans .plan-grid { gap: 14px; }
.silu-page .silu-plans .plan-grid-flybit { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.silu-page .silu-plans .plan-grid-99ba { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.silu-page .silu-plans .plan-card { padding: 21px 18px 18px; border-radius: 15px; }
.silu-page .silu-plans .plan-featured { padding: 20px 17px 17px; }
.silu-page .silu-plans .plan-tier { display: flex; align-items: center; gap: 8px; }
.silu-page .silu-plans .plan-tier img { width: 26px; height: 26px; flex-shrink: 0; object-fit: contain; border-radius: 6px; margin: 0; }
.silu-page .silu-plans .plan-card h3 { font-size: 16px; line-height: 1.6; margin: 9px 0 15px; }
.silu-page .silu-plans .plan-price { font-size: 32px; }
.silu-page .silu-plans .plan-price > span { font-size: 12px; }
.silu-page .silu-plans .plan-features { font-size: 12px; margin: 9px 0 14px; }
.silu-page .silu-plans .plan-features li { margin: 9px 0; padding-left: 17px; }
.silu-page .silu-plans .plan-coming { padding: 9px 8px; font-size: 11px; }

/* 文章左侧依次显示推广与站内文章索引。正文保留独立滚动。 */
.silu-page .article-shell { display: grid; max-width: 1240px; grid-template-columns: 250px minmax(0, 1fr); gap: 22px 24px; }
.silu-page .article-shell > article { grid-column: 2; }
.silu-page .silu-shell .article-rail { grid-column: 1; min-height: 0; gap: 16px; }
.silu-page .silu-shell .article-rail > .ad-slot { flex: 0 0 auto; max-height: min(300px, 40vh); }
.silu-page .article-rail .silu-article-index { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; margin: 0; padding: 17px 16px; border: 1px solid var(--line); border-radius: 15px; background: var(--glass); }
.silu-article-index h2 { flex-shrink: 0; margin: 0 0 10px; font-size: 14px; font-weight: 700; line-height: 1.6; color: var(--text); }
.silu-article-index nav { display: flex; flex-direction: column; gap: 4px; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; }
.silu-article-index a { display: block; padding: 7px 8px; border-radius: 7px; color: var(--muted); font-size: 12px; line-height: 1.75; overflow-wrap: anywhere; }
.silu-article-index a:hover, .silu-article-index a[aria-current="page"] { color: var(--accent); background: var(--soft); }

/* 页脚由友链和居中版权组成，友链位于版权上方。 */
.silu-page .silu-footer { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.silu-page .silu-footer .friend-links { width: 100%; margin: 0; justify-content: center; gap: 5px 14px; }
.silu-page .silu-footer .footer-inner { width: 100%; justify-content: center; text-align: center; }

@media (max-width: 980px) {
  .silu-page .silu-plans .plan-grid-flybit { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .silu-page .article-shell { display: flex; flex-direction: column; max-width: 840px; }
  .silu-page .article-shell > .breadcrumbs { order: 1; }
  .silu-page .article-shell > article { order: 2; }
  .silu-page .silu-shell .article-rail { order: 3; position: static; max-height: none; }
  .silu-page .silu-shell .article-rail > .ad-slot { max-height: none; overflow: visible; }
  .silu-page .article-rail .silu-article-index { flex: none; }
  .silu-article-index nav { max-height: 260px; }
}
@media (max-width: 760px) {
  .silu-page .silu-plans .plan-grid-flybit, .silu-page .silu-plans .plan-grid-99ba { grid-template-columns: minmax(0, 1fr); }
  .silu-page .silu-plans .plan-card { padding: 22px; }
  .silu-page .silu-plans .plan-featured { padding: 21px; }
  .silu-page .silu-plans .plan-card h3 { font-size: 17px; }
  .silu-page .silu-plans .plan-coming { font-size: 12px; }
}

/* 两组套餐保留间距，品牌行居中。 */
.silu-page .silu-plans .plan-grid + .plan-grid { margin-top: 28px; }
.silu-page .silu-plans .plan-tier { justify-content: center; }
@media (min-width: 981px) {
  .silu-page .silu-shell .article-rail { max-height: calc(var(--article-scroll-height, 70vh) - 128px); }
}

/* 首页广告语沿用主题渐变色，桌面醒目，手机保持三个短句并列。 */
.silu-page .silu-highlights .silu-slogan { margin: 30px auto 8px; max-width: 100%; padding: 0 8px; text-align: center; font-size: clamp(24px, 3.2vw, 38px); font-weight: 800; line-height: 1.55; letter-spacing: .01em; text-wrap: balance; }
@media (max-width: 760px) {
  .silu-page .silu-highlights .silu-slogan { margin-top: 24px; padding: 0; }
}

/* 三个短句保持间距，共用一个渐变背景。 */
.silu-page .silu-slogan .silu-slogan-gradient { display: inline-block; max-width: 100%; }
.silu-page .silu-slogan .silu-slogan-phrases { display: flex; justify-content: center; gap: .9em; }
.silu-page .silu-slogan .silu-slogan-phrases > span { white-space: nowrap; }
.silu-page .silu-highlights .silu-slogan-caption { max-width: 760px; margin: 6px auto 8px; padding: 0 12px; text-align: center; color: #000; font-size: 14px; font-weight: 400; line-height: 1.8; }
:root.dark .silu-page .silu-highlights .silu-slogan-caption { color: var(--text); }
@media (max-width: 760px) {
  .silu-page .silu-highlights .silu-slogan { font-size: clamp(18px, 6.2vw, 24px); }
  .silu-page .silu-slogan .silu-slogan-phrases { gap: .55em; }
  .silu-page .silu-highlights .silu-slogan-caption { padding: 0; font-size: 13px; }
}
.silu-page .silu-plans .plan-card h3 { text-align: center; }
.silu-page .silu-plans > .silu-reference-note { font-size: 11px; line-height: 1.7; }
.silu-page .silu-footer .friend-links { font-size: 16px; line-height: 1.5; }
@media (max-width: 760px) {
  .silu-page .silu-footer .friend-links { font-size: 14px; }
}