/* roulang page: index */
:root {
      --ink: #222624;
      --muted: #68716c;
      --paper: #f6f7f4;
      --white: #fff;
      --line: #e1e6e1;
      --green: #19775d;
      --green-deep: #125841;
      --coral: #df765d;
      --gold: #d8a74d;
      --mint: #e4f1eb;
      --rose: #f8e9e4;
      --radius: 18px;
      --radius-lg: 28px;
      --shadow: 0 16px 40px rgba(25, 47, 38, .09);
      --container: 1200px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      padding-bottom: 92px;
      background: var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease; }
    a:hover { color: var(--green); }
    button, input { font: inherit; }
    button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid rgba(216, 167, 77, .72); outline-offset: 3px; }
    img { display: block; max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
    .site-header { position: sticky; z-index: 30; top: 0; border-bottom: 1px solid rgba(225,230,225,.9); background: rgba(255,255,255,.94); backdrop-filter: blur(14px); }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; font-weight: 800; font-size: 18px; color: var(--ink); }
    .brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 13px; color: #fff; font-size: 17px; background: linear-gradient(140deg, var(--green), #56a77f 68%, var(--gold)); box-shadow: 0 7px 17px rgba(25,119,93,.2); flex: 0 0 auto; }
    .brand-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .nav-links { display: flex; align-items: center; gap: 8px; margin: 0; list-style: none; }
    .nav-links a { display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px; border-radius: 12px; color: #58615c; font-size: 14px; font-weight: 650; }
    .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--green-deep); background: var(--mint); }
    .nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: #fff; cursor: pointer; }
    .nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ""; display: block; width: 18px; height: 2px; margin: 4px auto; border-radius: 2px; background: currentColor; }
    .hero { position: relative; overflow: hidden; padding: 72px 0 56px; color: white; background: #173e34; }
    .hero::before { content: ""; position: absolute; inset: 0; opacity: .45; background: linear-gradient(105deg, rgba(12,50,40,.96) 0%, rgba(25,101,77,.86) 50%, rgba(80,130,91,.48) 100%), url("https://images.unsplash.com/photo-1518709268805-4e9042af9f23?auto=format&fit=crop&w=2000&q=85") center 44% / cover; }
    .hero::after { content: ""; position: absolute; right: -110px; top: -230px; width: 510px; height: 510px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; box-shadow: 0 0 0 48px rgba(255,255,255,.035), 0 0 0 96px rgba(255,255,255,.025); }
    .hero-inner { position: relative; z-index: 1; }
    .hero-kicker { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 18px; color: #d6eadf; font-size: 13px; font-weight: 700; }
    .hero-kicker::before { content: ""; width: 22px; height: 2px; background: #e3b764; }
    h1 { max-width: 850px; margin: 0 0 18px; color: #fff; font-size: clamp(36px, 5vw, 58px); line-height: 1.2; font-weight: 820; }
    .hero-copy { max-width: 760px; margin: 0 0 27px; color: rgba(255,255,255,.83); font-size: 17px; line-height: 1.9; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
    .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 0 20px; border: 1px solid transparent; border-radius: 13px; font-size: 14px; font-weight: 750; }
    .button-primary { color: #153d31; background: #f0c875; box-shadow: 0 8px 20px rgba(0,0,0,.13); }
    .button-primary:hover { color: #153d31; background: #ffda88; box-shadow: 0 11px 25px rgba(0,0,0,.2); }
    .button-ghost { border-color: rgba(255,255,255,.38); color: #fff; background: rgba(255,255,255,.08); }
    .button-ghost:hover { color: #fff; border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.15); }
    .hero-chips { display: flex; flex-wrap: wrap; gap: 9px; }
    .hero-chip { padding: 7px 12px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; color: rgba(255,255,255,.88); background: rgba(255,255,255,.08); font-size: 12px; }
    .section { padding: 64px 0; }
    .section-alt { background: #eef2ee; }
    .section-white { background: #fff; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
    .section-head > div { max-width: 760px; }
    .eyebrow { margin: 0 0 8px; color: var(--green); font-size: 12px; font-weight: 800; }
    h2 { margin: 0; color: var(--ink); font-size: 30px; line-height: 1.3; font-weight: 800; }
    .section-intro { margin: 12px 0 0; color: var(--muted); max-width: 780px; }
    .text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--green-deep); font-size: 14px; font-weight: 750; white-space: nowrap; }
    .text-link:hover { gap: 11px; }
    .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .feature { min-height: 195px; padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
    .feature-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 18px; border-radius: 14px; color: var(--green-deep); background: var(--mint); font-weight: 850; }
    .feature:nth-child(2) .feature-icon { color: #9a4e3c; background: var(--rose); }
    .feature:nth-child(3) .feature-icon { color: #87621d; background: #f8f0dc; }
    h3 { margin: 0 0 8px; color: var(--ink); font-size: 18px; line-height: 1.45; font-weight: 780; }
    .feature p, .scene-step p, .entry-copy, .article-row p, .note-copy { margin: 0; color: var(--muted); font-size: 14px; }
    .scene-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
    .scene-list { display: grid; gap: 0; margin: 24px 0 0; padding: 0; list-style: none; }
    .scene-step { position: relative; display: grid; grid-template-columns: 48px 1fr; gap: 15px; padding: 0 0 22px; }
    .scene-step:not(:last-child)::after { content: ""; position: absolute; left: 23px; top: 43px; bottom: 3px; width: 1px; background: #cbd8d0; }
    .step-number { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid #cfe0d5; border-radius: 50%; color: var(--green-deep); background: white; font-weight: 800; }
    .scene-panel { padding: 30px; border-radius: var(--radius-lg); color: #fff; background: linear-gradient(145deg, #1c654d, #21463c); box-shadow: var(--shadow); }
    .scene-panel-label { color: #cce4d7; font-size: 12px; font-weight: 750; }
    .scene-panel-title { margin: 10px 0 21px; color: white; font-size: 24px; font-weight: 780; }
    .scene-tags { display: flex; flex-wrap: wrap; gap: 9px; }
    .scene-tags span { padding: 8px 11px; border: 1px solid rgba(255,255,255,.2); border-radius: 10px; color: rgba(255,255,255,.9); background: rgba(255,255,255,.08); font-size: 13px; }
    .editorial-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 18px; }
    .editorial-card { position: relative; display: flex; min-height: 280px; overflow: hidden; flex-direction: column; justify-content: end; padding: 22px; border-radius: var(--radius); color: #fff; background: #253d33; isolation: isolate; }
    .editorial-card::before { content: ""; position: absolute; z-index: -2; inset: 0; background-position: center; background-size: cover; transition: transform .4s ease; }
    .editorial-card:hover::before { transform: scale(1.04); }
    .editorial-card::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(0deg, rgba(14,28,23,.9), rgba(14,28,23,.05) 75%); }
    .editorial-card:nth-child(1)::before { background-image: url("https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=1100&q=80"); }
    .editorial-card:nth-child(2)::before { background-image: url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=900&q=80"); }
    .editorial-card:nth-child(3)::before { background-image: url("https://images.unsplash.com/photo-1519608487953-e999c86e7455?auto=format&fit=crop&w=900&q=80"); }
    .editorial-card:first-child { min-height: 360px; }
    .editorial-card h3 { color: #fff; font-size: 21px; }
    .editorial-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 10px; }
    .editorial-meta span { padding: 4px 8px; border-radius: 999px; color: #fff; background: rgba(255,255,255,.18); font-size: 11px; }
    .editorial-card p { margin: 0; color: rgba(255,255,255,.8); font-size: 13px; }
    .category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .category-card { display: flex; min-height: 178px; align-items: center; justify-content: space-between; gap: 20px; padding: 27px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: 0 8px 24px rgba(25,47,38,.04); }
    .category-card:hover { border-color: #b7d3c4; box-shadow: var(--shadow); transform: translateY(-2px); }
    .category-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .category-count { flex: 0 0 auto; display: grid; place-items: center; width: 56px; height: 56px; border-radius: 18px; color: var(--green-deep); background: var(--mint); font-size: 12px; font-weight: 800; }
    .quote-band { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; padding: 34px 40px; border-radius: var(--radius-lg); background: #fff; }
    .quote-mark { color: var(--coral); font-family: Georgia, serif; font-size: 58px; line-height: .8; }
    .quote-band blockquote { margin: 12px 0 0; color: #3a443e; font-size: 19px; line-height: 1.7; font-weight: 650; }
    .quote-caption { margin-top: 12px; color: var(--muted); font-size: 13px; }
    .metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--line); }
    .metric { padding: 18px; background: #fff; }
    .metric strong { display: block; color: var(--green-deep); font-size: 18px; }
    .metric span { color: var(--muted); font-size: 12px; }
    .compare-wrap { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
    .compare-row { display: grid; grid-template-columns: 1.1fr 1fr 1fr; border-bottom: 1px solid var(--line); }
    .compare-row:last-child { border-bottom: 0; }
    .compare-row > div { padding: 16px 18px; color: #515a55; font-size: 14px; }
    .compare-row > div:first-child { color: var(--ink); font-weight: 750; background: #f7f9f7; }
    .compare-head > div { color: #fff !important; background: #285a47 !important; font-weight: 750; }
    .compare-tag { color: var(--green-deep); font-weight: 750; }
    .topic-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .topic-item { display: flex; align-items: center; gap: 15px; padding: 18px 20px; border-left: 3px solid var(--coral); background: #fff; }
    .topic-item:nth-child(even) { border-color: var(--green); }
    .topic-index { color: #a1aaa4; font-size: 12px; font-weight: 800; }
    .topic-item strong { display: block; font-size: 15px; }
    .topic-item small { display: block; color: var(--muted); font-size: 12px; }
    .article-list { border-top: 1px solid var(--line); }
    .article-row { display: grid; grid-template-columns: 105px 1fr 110px; align-items: center; gap: 20px; padding: 21px 0; border-bottom: 1px solid var(--line); }
    .article-date { color: var(--green); font-size: 12px; font-weight: 800; }
    .article-row h3 { margin: 0 0 4px; font-size: 16px; }
    .article-row p { font-size: 13px; }
    .article-arrow { justify-self: end; color: var(--green-deep); font-size: 13px; font-weight: 750; }
    .faq-list { display: grid; gap: 10px; }
    .faq-list details { padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
    .faq-list summary { position: relative; padding-right: 28px; color: var(--ink); cursor: pointer; list-style: none; font-weight: 750; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; position: absolute; right: 0; top: -3px; color: var(--green); font-size: 22px; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
    .notice-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
    .notice-copy { padding-right: 22px; }
    .notice-copy p { color: var(--muted); }
    .notice-box { padding: 23px; border: 1px solid #ead8a9; border-radius: var(--radius); background: #fbf6e9; }
    .notice-box strong { display: block; margin-bottom: 6px; color: #705619; }
    .notice-box p { margin: 0; color: #756a4b; font-size: 13px; }
    .assurance { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .assurance-item { display: flex; align-items: center; gap: 13px; padding: 22px 18px; }
    .assurance-item + .assurance-item { border-left: 1px solid var(--line); }
    .assurance-icon { color: var(--green); font-size: 20px; }
    .assurance-item strong { display: block; font-size: 14px; }
    .assurance-item small { color: var(--muted); font-size: 12px; }
    .site-footer { padding: 48px 0 24px; color: #d7e2dc; background: #1d3029; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 34px; padding-bottom: 34px; }
    .footer-brand { color: #fff; }
    .footer-about { max-width: 330px; margin: 15px 0 0; color: #aebdb5; font-size: 13px; }
    .footer-col h3 { margin-bottom: 12px; color: #fff; font-size: 14px; }
    .footer-col ul { margin: 0; list-style: none; }
    .footer-col li { margin: 7px 0; }
    .footer-col a { color: #b8c6bf; font-size: 13px; }
    .footer-col a:hover { color: #f0c875; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 19px; border-top: 1px solid rgba(255,255,255,.13); color: #9eafa6; font-size: 12px; }
    .fixed-cta { position: fixed; z-index: 25; inset: auto 0 0; padding: 12px 0 calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid rgba(225,230,225,.9); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
    .fixed-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .fixed-copy strong { display: block; color: var(--ink); font-size: 14px; }
    .fixed-copy span { color: var(--muted); font-size: 12px; }
    .fixed-cta .button { min-height: 42px; color: #fff; background: var(--green); }
    .fixed-cta .button:hover { color: #fff; background: var(--green-deep); }
    .age-note { margin-top: 12px; color: #aab9b0; font-size: 11px; }
    @media (max-width: 1024px) {
      .container { width: min(100% - 40px, var(--container)); }
      .scene-layout { gap: 28px; }
      .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
      .footer-col:last-child { display: none; }
    }
    @media (max-width: 767px) {
      body { padding-bottom: 86px; }
      .container { width: calc(100% - 36px); }
      .nav-row { min-height: 66px; }
      .brand { font-size: 15px; }
      .brand-mark { width: 35px; height: 35px; }
      .nav-toggle { display: block; flex: 0 0 auto; }
      .nav-links { position: absolute; top: 65px; left: 0; right: 0; display: none; padding: 10px 18px 16px; border-bottom: 1px solid var(--line); background: #fff; box-shadow: 0 14px 20px rgba(20,40,30,.08); }
      .nav-links.is-open { display: grid; grid-template-columns: 1fr 1fr; }
      .nav-links a { justify-content: center; }
      .hero { padding: 52px 0 43px; }
      .hero-copy { font-size: 15px; }
      .section { padding: 48px 0; }
      .section-head { display: block; margin-bottom: 22px; }
      .section-head .text-link { margin-top: 14px; }
      h2 { font-size: 25px; }
      .feature-grid { grid-template-columns: 1fr; gap: 12px; }
      .feature { min-height: auto; padding: 21px; }
      .scene-layout { grid-template-columns: 1fr; }
      .scene-panel { padding: 24px; }
      .editorial-grid { grid-template-columns: 1fr 1fr; }
      .editorial-card:first-child { grid-column: 1 / -1; min-height: 300px; }
      .editorial-card { min-height: 230px; padding: 17px; }
      .category-grid, .quote-band, .topic-strip, .notice-layout { grid-template-columns: 1fr; }
      .quote-band { padding: 25px; }
      .metric-row { grid-template-columns: 1fr; }
      .metric { padding: 12px 16px; }
      .article-row { grid-template-columns: 76px 1fr; gap: 12px; }
      .article-arrow { display: none; }
      .assurance { grid-template-columns: 1fr; }
      .assurance-item + .assurance-item { border-top: 1px solid var(--line); border-left: 0; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px 18px; }
      .footer-grid > div:first-child { grid-column: 1 / -1; }
      .footer-col:last-child { display: block; }
      .footer-bottom { flex-direction: column; gap: 7px; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 30px); }
      .hero { padding-top: 43px; }
      h1 { font-size: 35px; }
      .hero-actions { display: grid; grid-template-columns: 1fr; }
      .hero-actions .button { width: 100%; }
      .hero-chip { font-size: 11px; }
      .editorial-grid { grid-template-columns: 1fr; }
      .editorial-card, .editorial-card:first-child { grid-column: auto; min-height: 230px; }
      .category-card { min-height: 150px; padding: 20px; }
      .compare-row { grid-template-columns: 1fr; padding: 10px 15px; }
      .compare-row > div { padding: 5px 0; }
      .compare-head { display: none; }
      .compare-row:not(.compare-head) > div:first-child { padding-top: 9px; background: transparent; }
      .compare-row:not(.compare-head) > div:nth-child(2)::before { content: "分类索引："; color: var(--muted); }
      .compare-row:not(.compare-head) > div:nth-child(3)::before { content: "条目详情："; color: var(--muted); }
      .fixed-copy span { display: none; }
      .fixed-copy strong { max-width: 195px; font-size: 12px; }
      .fixed-cta .button { min-height: 40px; padding-inline: 14px; font-size: 12px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
    }

/* roulang page: category1 */
:root {
 --ink: #222624;
 --muted: #68716c;
 --paper: #f6f7f4;
 --white: #fff;
 --line: #e1e6e1;
 --green: #19775d;
 --green-deep: #125841;
 --coral: #df765d;
 --gold: #d8a74d;
 --mint: #e4f1eb;
 --rose: #f8e9e4;
 --radius: 18px;
 --radius-lg: 28px;
 --shadow: 0 16px 40px rgba(25, 47, 38, .09);
 --container: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 padding-bottom: 38px;
 background: var(--paper);
 color: var(--ink);
 font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease; }
a:hover { color: var(--green); }
button, input, select { font: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid rgba(216, 167, 77, .72); outline-offset: 3px; }
img { display: block; max-width: 100%; }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.site-header { position: sticky; z-index: 30; top: 0; border-bottom: 1px solid rgba(225,230,225,.9); background: rgba(255,255,255,.94); backdrop-filter: blur(14px); }
.nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; color: var(--ink); font-weight: 800; font-size: 18px; }
.brand:hover { color: var(--green-deep); }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 13px; color: #fff; font-size: 17px; background: linear-gradient(140deg, var(--green), #56a77f 68%, var(--gold)); box-shadow: 0 7px 17px rgba(25,119,93,.2); flex: 0 0 auto; }
.brand-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 8px; margin: 0; list-style: none; }
.nav-links a { display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px; border-radius: 12px; color: #58615c; font-size: 14px; font-weight: 650; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--green-deep); background: var(--mint); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: #fff; cursor: pointer; }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ""; display: block; width: 18px; height: 2px; margin: 4px auto; border-radius: 2px; background: currentColor; }
.breadcrumb { display: flex; gap: 9px; align-items: center; margin: 0 0 18px; color: rgba(255,255,255,.7); font-size: 13px; }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #fff; }
.page-heading { padding: 36px 0 34px; color: #fff; background: linear-gradient(115deg, #173e34 0%, #19775d 68%, #43886b 100%); }
.page-heading h1 { max-width: 850px; margin: 0; color: #fff; font-size: clamp(30px, 4vw, 44px); font-weight: 820; line-height: 1.25; }
.page-heading p { max-width: 780px; margin: 13px 0 0; color: rgba(255,255,255,.83); font-size: 15px; }
.heading-badges { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 19px; }
.data-badge { display: inline-flex; align-items: center; min-height: 31px; padding: 4px 11px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; color: #f6fbf8; background: rgba(255,255,255,.09); font-size: 12px; font-weight: 650; }
.section { padding: 36px 0; border-bottom: 1px solid var(--line); }
.section-white { background: #fff; }
.section-alt { background: #eef2ee; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.section-head h2 { margin: 0; font-size: 23px; line-height: 1.35; font-weight: 800; }
.section-head p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.eyebrow { margin: 0 0 6px; color: var(--green); font-size: 12px; font-weight: 800; }
.filter-panel { padding: 19px 21px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 22px rgba(25,47,38,.04); }
.filter-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr auto; gap: 14px; align-items: end; }
.field label { display: block; margin-bottom: 6px; color: #4f5b54; font-size: 12px; font-weight: 750; }
.field input, .field select { width: 100%; height: 46px; margin: 0; padding: 0 13px; border: 1px solid #d8dfd9; border-radius: 11px; color: var(--ink); background-color: #fff; box-shadow: none; }
.field input::placeholder { color: #929b95; }
.field input:hover, .field select:hover { border-color: #a9c6b7; }
.filter-actions { display: flex; gap: 8px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 18px; border: 1px solid transparent; border-radius: 12px; font-size: 14px; font-weight: 750; cursor: pointer; }
.button-primary { color: #fff; background: linear-gradient(130deg, var(--green), #338b69); box-shadow: 0 7px 16px rgba(25,119,93,.17); }
.button-primary:hover { color: #fff; background: var(--green-deep); box-shadow: 0 9px 19px rgba(25,119,93,.23); }
.button-secondary { border-color: var(--line); color: #53615a; background: #fff; }
.button-secondary:hover { border-color: #b5cec0; color: var(--green-deep); background: var(--mint); }
.result-line { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin: 22px 0 13px; color: var(--muted); font-size: 13px; }
.result-line strong { color: var(--ink); }
.result-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tag { display: inline-flex; align-items: center; min-height: 27px; padding: 3px 9px; border-radius: 8px; color: var(--green-deep); background: var(--mint); font-size: 11px; font-weight: 700; }
.tag-coral { color: #99533f; background: var(--rose); }
.tag-gold { color: #795b22; background: #f8f0dc; }
.catalog-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 26px; align-items: start; }
.entry-list { border-top: 1px solid var(--line); }
.entry { display: grid; grid-template-columns: 142px minmax(0,1fr) 102px; gap: 20px; align-items: center; padding: 19px 0; border-bottom: 1px solid var(--line); }
.entry-art { position: relative; display: grid; place-items: center; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 14px; color: #fff; background: linear-gradient(145deg, #2a6554, #99b49e); }
.entry:nth-child(3n+2) .entry-art { background: linear-gradient(145deg, #894f43, #d89978); }
.entry:nth-child(3n) .entry-art { background: linear-gradient(145deg, #596b54, #c2aa6c); }
.entry-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(20,35,29,.35), transparent 65%); }
.entry-art span { position: relative; z-index: 1; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.62); border-radius: 50%; color: #fff; background: rgba(255,255,255,.15); font-size: 13px; font-weight: 800; }
.entry-body { min-width: 0; }
.entry-body h3 { margin: 0 0 6px; font-size: 17px; line-height: 1.45; font-weight: 780; }
.entry-body p { margin: 0 0 9px; color: var(--muted); font-size: 13px; }
.entry-meta { display: flex; flex-wrap: wrap; gap: 7px; }
.entry-date { color: #778179; font-size: 12px; text-align: right; }
.entry-date strong { display: block; color: #4e5b53; font-size: 13px; font-weight: 700; }
.sidebar { display: grid; gap: 18px; }
.side-block { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.side-block h3 { margin: 0 0 13px; font-size: 16px; font-weight: 800; }
.side-list { margin: 0; padding: 0; list-style: none; }
.side-list li + li { border-top: 1px solid #edf0ed; }
.side-list a { display: flex; justify-content: space-between; gap: 10px; padding: 10px 0; color: #4d5952; font-size: 13px; }
.side-list a:hover { color: var(--green); }
.side-list span { color: #89938c; font-size: 11px; white-space: nowrap; }
.more-link { display: inline-flex; margin-top: 16px; color: var(--green-deep); font-size: 13px; font-weight: 750; }
.empty-state { display: none; padding: 40px 18px; border: 1px dashed #cbd7ce; border-radius: 14px; color: var(--muted); text-align: center; }
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.guide-copy { max-width: 680px; }
.guide-copy p { margin: 0 0 12px; color: #59645d; font-size: 14px; }
.guide-note { padding: 20px 22px; border-left: 3px solid var(--coral); border-radius: 0 14px 14px 0; background: #fff; }
.guide-note strong { display: block; margin-bottom: 5px; color: #704435; font-size: 14px; }
.guide-note p { margin: 0; color: var(--muted); font-size: 13px; }
.topic-strip { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 14px; }
.topic-item { min-height: 152px; padding: 19px; border-radius: 16px; background: #fff; }
.topic-item:first-child { color: #fff; background: linear-gradient(135deg, #175b47, #37876b); }
.topic-item h3 { margin: 0 0 8px; font-size: 16px; font-weight: 800; }
.topic-item p { margin: 0; color: var(--muted); font-size: 13px; }
.topic-item:first-child p { color: rgba(255,255,255,.8); }
.update-table { width: 100%; margin: 0; border: 0; border-collapse: collapse; background: transparent; }
.update-table thead { background: #f0f4f0; }
.update-table th, .update-table td { padding: 12px 15px; border-bottom: 1px solid var(--line); color: #536057; font-size: 13px; text-align: left; }
.update-table th { color: #3d4941; font-weight: 750; }
.article-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.article-row { display: grid; grid-template-columns: 46px 1fr; gap: 14px; padding: 16px 0; border-top: 1px solid var(--line); }
.article-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; color: #974f3d; background: var(--rose); font-size: 13px; font-weight: 850; }
.article-row h3 { margin: 0 0 4px; font-size: 14px; line-height: 1.5; font-weight: 780; }
.article-row p { margin: 0; color: var(--muted); font-size: 12px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 15px 34px 15px 0; color: #36433b; font-size: 14px; font-weight: 750; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 13px; color: var(--green); font-size: 21px; font-weight: 500; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 850px; margin: 0 0 15px; color: var(--muted); font-size: 13px; }
.feedback-band { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 25px; border: 1px solid #d4e4da; border-radius: var(--radius); background: linear-gradient(110deg, #e4f1eb, #fff 75%); }
.feedback-band h2 { margin: 0 0 4px; font-size: 18px; font-weight: 800; }
.feedback-band p { margin: 0; color: var(--muted); font-size: 13px; }
.feedback-band a { flex: 0 0 auto; }
.page-footer { padding: 0 0 38px; }
.page-footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--muted); font-size: 12px; }
.site-footer { padding: 46px 0 20px; color: #dfe9e2; background: #1e3029; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand { margin-bottom: 15px; color: #fff; }
.footer-about, .age-note { max-width: 370px; margin: 0 0 10px; color: #bdc9c1; font-size: 12px; }
.age-note { color: #e4c98d; }
.footer-col h3 { margin: 2px 0 12px; color: #fff; font-size: 13px; font-weight: 800; }
.footer-col ul { margin: 0; padding: 0; list-style: none; }
.footer-col li { margin: 6px 0; }
.footer-col a { color: #bdc9c1; font-size: 12px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: 29px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.13); color: #aab8af; font-size: 11px; }
@media (max-width: 1024px) {
 .catalog-layout { grid-template-columns: minmax(0, 1fr) 245px; gap: 20px; }
 .entry { grid-template-columns: 122px minmax(0,1fr) 86px; gap: 15px; }
 .filter-grid { grid-template-columns: 1.2fr 1fr 1fr auto; gap: 10px; }
 .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
 .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 768px) {
 .container { width: min(var(--container), calc(100% - 32px)); }
 .nav-row { min-height: 68px; gap: 12px; }
 .brand { font-size: 15px; }
 .nav-toggle { display: block; flex: 0 0 auto; }
 .nav-row nav { position: relative; }
 .nav-links { display: none; position: absolute; top: 12px; right: 0; width: min(290px, calc(100vw - 32px)); padding: 9px; border: 1px solid var(--line); border-radius: 15px; background: #fff; box-shadow: var(--shadow); }
 .nav-links.is-open { display: grid; }
 .nav-links a { width: 100%; }
 .page-heading { padding: 27px 0 28px; }
 .page-heading h1 { font-size: 31px; }
 .section { padding: 29px 0; }
 .catalog-layout { grid-template-columns: 1fr; }
 .sidebar { grid-template-columns: 1fr 1fr; }
 .filter-grid { grid-template-columns: 1fr 1fr; }
 .filter-actions { grid-column: 1 / -1; }
 .filter-actions .button { flex: 1; }
 .topic-strip { grid-template-columns: 1fr 1fr; }
 .topic-item:first-child { grid-column: 1 / -1; }
 .guide-grid { grid-template-columns: 1fr; gap: 18px; }
 .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
 .footer-grid > div:last-child { grid-column: auto; }
}
@media (max-width: 520px) {
 body { font-size: 15px; }
 .container { width: calc(100% - 28px); }
 .brand { max-width: calc(100% - 58px); font-size: 14px; }
 .brand-mark { width: 35px; height: 35px; }
 .page-heading h1 { font-size: 27px; }
 .page-heading p { font-size: 14px; }
 .section-head { display: block; }
 .section-head h2 { font-size: 20px; }
 .filter-panel { padding: 15px; }
 .filter-grid { grid-template-columns: 1fr; }
 .filter-actions { grid-column: auto; }
 .result-line { align-items: flex-start; flex-direction: column; gap: 6px; }
 .entry { grid-template-columns: 92px minmax(0,1fr); gap: 12px; padding: 15px 0; }
 .entry-art { border-radius: 11px; }
 .entry-art span { width: 34px; height: 34px; font-size: 11px; }
 .entry-body h3 { font-size: 14px; }
 .entry-body p { font-size: 12px; }
 .entry-date { grid-column: 2; margin-top: -8px; text-align: left; }
 .entry-date strong { display: inline; margin-right: 4px; }
 .sidebar { grid-template-columns: 1fr; }
 .topic-strip, .article-list { grid-template-columns: 1fr; }
 .topic-item:first-child { grid-column: auto; }
 .update-table th, .update-table td { padding: 9px 7px; font-size: 11px; }
 .feedback-band { align-items: flex-start; flex-direction: column; padding: 18px; }
 .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px 14px; }
 .footer-grid > div:first-child { grid-column: 1 / -1; }
 .footer-bottom { flex-direction: column; gap: 5px; }
}

/* roulang page: category2 */
:root {
      --ink: #222624;
      --muted: #68716c;
      --paper: #f6f7f4;
      --white: #fff;
      --line: #e1e6e1;
      --green: #19775d;
      --green-deep: #125841;
      --coral: #df765d;
      --gold: #d8a74d;
      --mint: #e4f1eb;
      --rose: #f8e9e4;
      --radius: 18px;
      --radius-lg: 28px;
      --shadow: 0 16px 40px rgba(25, 47, 38, .09);
      --container: 1200px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      padding-bottom: 92px;
      background: var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease; }
    a:hover { color: var(--green); }
    button, input, select { font: inherit; }
    button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid rgba(216,167,77,.72); outline-offset: 3px; }
    img { display: block; max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }

    .site-header { position: sticky; z-index: 30; top: 0; border-bottom: 1px solid rgba(225,230,225,.9); background: rgba(255,255,255,.95); backdrop-filter: blur(14px); }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; color: var(--ink); font-size: 18px; font-weight: 800; }
    .brand:hover { color: var(--green-deep); }
    .brand-mark { display: grid; place-items: center; flex: 0 0 auto; width: 38px; height: 38px; border-radius: 13px; color: #fff; font-size: 17px; background: linear-gradient(140deg,var(--green),#56a77f 68%,var(--gold)); box-shadow: 0 7px 17px rgba(25,119,93,.2); }
    .brand-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .nav-links { display: flex; align-items: center; gap: 8px; margin: 0; list-style: none; }
    .nav-links a { display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px; border-radius: 12px; color: #58615c; font-size: 14px; font-weight: 650; }
    .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--green-deep); background: var(--mint); }
    .nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: #fff; cursor: pointer; }
    .nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ""; display: block; width: 18px; height: 2px; margin: 4px auto; border-radius: 2px; background: currentColor; }

    main { min-height: 60vh; }
    .category-head { padding: 38px 0 30px; background: #fff; border-bottom: 1px solid var(--line); }
    .breadcrumb { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; margin: 0 0 18px; color: var(--muted); font-size: 13px; }
    .breadcrumb a { color: var(--green-deep); font-weight: 700; }
    .breadcrumb span[aria-hidden="true"] { color: #a2aaa4; }
    .head-grid { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: end; gap: 32px; }
    .eyebrow { margin: 0 0 7px; color: var(--green); font-size: 12px; font-weight: 800; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 760px; margin-bottom: 10px; font-size: clamp(30px, 4vw, 43px); line-height: 1.28; font-weight: 820; }
    .head-copy { max-width: 790px; margin: 0; color: var(--muted); font-size: 15px; }
    .stats { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
    .stat-badge { min-width: 124px; padding: 11px 14px; border: 1px solid var(--line); border-radius: 14px; background: #fbfcfa; }
    .stat-badge strong { display: block; color: var(--green-deep); font-size: 15px; line-height: 1.4; }
    .stat-badge span { display: block; color: var(--muted); font-size: 11px; }

    .section { padding: 38px 0; border-bottom: 1px solid rgba(225,230,225,.8); }
    .section-alt { background: #eef2ee; }
    .section-white { background: #fff; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
    .section-head h2 { margin: 0; font-size: 24px; line-height: 1.4; font-weight: 780; }
    .section-intro { max-width: 760px; margin: 7px 0 0; color: var(--muted); font-size: 14px; }
    .filter-panel { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 24px rgba(25,47,38,.04); }
    .filter-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr auto; gap: 13px; align-items: end; }
    .field label { display: block; margin-bottom: 6px; color: #48514b; font-size: 12px; font-weight: 750; }
    .field input, .field select { width: 100%; height: 46px; margin: 0; padding: 0 13px; border: 1px solid #d7ded8; border-radius: 11px; background: #fff; box-shadow: none; color: var(--ink); font-size: 14px; }
    .field input::placeholder { color: #98a09a; }
    .field input:hover, .field select:hover { border-color: #9cbcaf; }
    .filter-actions { display: flex; gap: 8px; }
    .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 17px; border: 1px solid transparent; border-radius: 12px; font-size: 13px; font-weight: 750; cursor: pointer; }
    .button-primary { color: #fff; background: linear-gradient(135deg,var(--green),#29916f); box-shadow: 0 7px 16px rgba(25,119,93,.18); }
    .button-primary:hover { color: #fff; background: linear-gradient(135deg,var(--green-deep),var(--green)); box-shadow: 0 9px 20px rgba(25,119,93,.23); }
    .button-secondary { border-color: var(--line); color: #46504a; background: #fff; }
    .button-secondary:hover { border-color: #b7c9be; color: var(--green-deep); background: #f8fbf8; }
    .filter-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; }

    .results-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 23px 0 13px; }
    .results-label { margin: 0; color: #58615c; font-size: 13px; }
    .results-label strong { color: var(--ink); }
    .sort-select { width: auto; min-width: 145px; height: 38px; margin: 0; padding: 0 32px 0 11px; border: 1px solid var(--line); border-radius: 10px; background-color: #fff; box-shadow: none; color: #4c554f; font-size: 12px; }
    .entry-list { display: grid; gap: 11px; }
    .entry-row { display: grid; grid-template-columns: 58px minmax(0,1fr) auto; align-items: center; gap: 17px; padding: 17px 19px; border: 1px solid var(--line); border-radius: 15px; background: #fff; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
    .entry-row:hover { border-color: #bdd2c5; box-shadow: 0 9px 24px rgba(25,47,38,.07); transform: translateY(-1px); }
    .entry-index { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; color: var(--green-deep); background: var(--mint); font-size: 13px; font-weight: 850; }
    .entry-row:nth-child(3n) .entry-index { color: #9a4e3c; background: var(--rose); }
    .entry-main { min-width: 0; }
    .entry-title { margin: 0 0 4px; overflow-wrap: anywhere; font-size: 16px; line-height: 1.45; font-weight: 760; }
    .entry-meta { display: flex; flex-wrap: wrap; gap: 7px 14px; margin: 0; color: var(--muted); font-size: 12px; }
    .entry-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
    .tag { display: inline-flex; align-items: center; min-height: 25px; padding: 2px 9px; border-radius: 999px; color: #426451; background: #edf5ef; font-size: 11px; font-weight: 700; white-space: nowrap; }
    .tag-warm { color: #94513f; background: #fbefeb; }
    .tag-neutral { color: #626b65; background: #f0f2ef; }
    .empty-state { display: none; padding: 34px 20px; border: 1px dashed #b9c9bd; border-radius: 16px; background: rgba(255,255,255,.7); text-align: center; }
    .empty-state strong { display: block; margin-bottom: 5px; font-size: 16px; }
    .empty-state p { margin: 0; color: var(--muted); font-size: 13px; }
    .more-row { display: flex; justify-content: center; margin-top: 20px; }
    .text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--green-deep); font-size: 13px; font-weight: 760; }
    .text-link:hover { gap: 11px; }

    .guide-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(260px,.7fr); gap: 30px; align-items: start; }
    .guide-copy { max-width: 740px; color: #58615c; font-size: 14px; }
    .guide-copy p:last-child { margin-bottom: 0; }
    .guide-rail { padding-left: 20px; border-left: 2px solid #c8ddd0; }
    .guide-rail h3 { margin: 0 0 10px; font-size: 15px; }
    .guide-rail ul { margin: 0; list-style: none; }
    .guide-rail li { padding: 7px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
    .guide-rail li:last-child { border-bottom: 0; }
    .topic-strip { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 12px; }
    .topic { position: relative; min-height: 145px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 19px; border-radius: var(--radius); color: #fff; background: linear-gradient(135deg,#175b48,#268365); }
    .topic:nth-child(2) { color: var(--ink); background: #f8e9e4; }
    .topic:nth-child(3) { color: var(--ink); background: #f8f0dc; }
    .topic small { font-size: 11px; font-weight: 750; opacity: .78; }
    .topic h3 { max-width: 280px; margin: 12px 0 0; font-size: 18px; line-height: 1.45; }
    .topic span { align-self: flex-start; padding: 4px 9px; border: 1px solid currentColor; border-radius: 999px; font-size: 10px; opacity: .78; }
    .version-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 30px; align-items: center; }
    .version-layout h2 { margin-bottom: 9px; font-size: 24px; }
    .version-layout p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .version-items { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
    .version-item { padding: 15px 16px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
    .version-item strong { display: block; margin-bottom: 3px; font-size: 13px; }
    .version-item span { color: var(--muted); font-size: 12px; }

    .article-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
    .article-row { display: grid; grid-template-columns: 42px minmax(0,1fr); gap: 13px; padding: 17px 0; border-bottom: 1px solid var(--line); }
    .article-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; color: #995340; background: var(--rose); font-size: 13px; font-weight: 850; }
    .article-row h3 { margin: 0 0 4px; font-size: 14px; line-height: 1.5; }
    .article-row p { margin: 0; color: var(--muted); font-size: 12px; }
    .article-date { display: block; margin-bottom: 3px; color: #818a83; font-size: 11px; }

    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 16px 36px 16px 0; color: #354039; font-size: 14px; font-weight: 740; cursor: pointer; list-style: none; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 13px; color: var(--green); font-size: 20px; font-weight: 500; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-answer { max-width: 850px; padding: 0 30px 16px 0; color: var(--muted); font-size: 13px; }
    .faq-answer p { margin: 0; }

    .notes-box { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; padding: 21px 23px; border: 1px solid #dce7df; border-radius: var(--radius); background: #f0f6f1; }
    .notes-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; color: var(--green-deep); background: #dceee2; font-weight: 850; }
    .notes-box h2 { margin: 0 0 3px; font-size: 16px; }
    .notes-box p { margin: 0; color: var(--muted); font-size: 12px; }
    .notes-box .button { white-space: nowrap; }

    .site-footer { padding: 48px 0 20px; color: #d9e3dc; background: #173e34; }
    .footer-grid { display: grid; grid-template-columns: 1.55fr .8fr .9fr .9fr; gap: 34px; padding-bottom: 30px; }
    .footer-brand { margin-bottom: 13px; color: #fff; }
    .footer-brand:hover { color: #fff; }
    .footer-about, .age-note { max-width: 360px; margin: 0 0 10px; color: rgba(235,243,237,.74); font-size: 12px; line-height: 1.8; }
    .age-note { color: #f0c875; }
    .footer-col h3 { margin: 0 0 12px; color: #fff; font-size: 13px; }
    .footer-col ul { margin: 0; list-style: none; }
    .footer-col li { margin: 7px 0; }
    .footer-col a { color: rgba(235,243,237,.75); font-size: 12px; }
    .footer-col a:hover { color: #fff; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.16); color: rgba(235,243,237,.62); font-size: 11px; }

    .bottom-bar { position: fixed; z-index: 25; inset: auto 0 0; padding: 10px 0 calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid rgba(225,230,225,.9); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
    .bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .bottom-copy { margin: 0; color: #47524b; font-size: 13px; font-weight: 680; }
    .bottom-copy span { color: var(--muted); font-size: 11px; font-weight: 450; }
    .bottom-bar .button { min-height: 41px; padding-inline: 16px; }

    @media (max-width: 1024px) {
      .filter-grid { grid-template-columns: 1.4fr 1fr 1fr; }
      .filter-actions { grid-column: 1 / -1; }
      .head-grid { grid-template-columns: 1fr; align-items: start; gap: 19px; }
      .stats { justify-content: flex-start; }
      .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
      .footer-grid > :first-child { grid-column: 1 / -1; }
    }
    @media (max-width: 768px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 68px; }
      .brand { font-size: 15px; }
      .brand-mark { width: 35px; height: 35px; }
      .nav-toggle { display: block; flex: 0 0 auto; }
      .nav-row nav { position: relative; }
      .nav-links { position: absolute; display: none; top: 45px; right: 0; width: min(290px, calc(100vw - 32px)); padding: 9px; border: 1px solid var(--line); border-radius: 15px; background: #fff; box-shadow: var(--shadow); }
      .nav-links.is-open { display: grid; }
      .nav-links a { width: 100%; }
      .category-head { padding: 28px 0 24px; }
      .stats { gap: 8px; }
      .stat-badge { min-width: 112px; }
      .section { padding: 30px 0; }
      .filter-grid { grid-template-columns: 1fr 1fr; }
      .filter-grid .field:first-child { grid-column: 1 / -1; }
      .topic-strip { grid-template-columns: 1fr 1fr; }
      .topic:first-child { grid-column: 1 / -1; min-height: 125px; }
      .guide-grid, .version-layout { grid-template-columns: 1fr; gap: 20px; }
      .article-list { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
      .footer-grid > :first-child { grid-column: 1 / -1; }
    }
    @media (max-width: 520px) {
      body { padding-bottom: 84px; font-size: 15px; }
      .container { width: calc(100% - 28px); }
      .brand-name { max-width: 225px; }
      h1 { font-size: 30px; }
      .head-copy { font-size: 14px; }
      .stats { display: grid; grid-template-columns: 1fr 1fr; }
      .stat-badge { min-width: 0; }
      .section-head { align-items: flex-start; margin-bottom: 17px; }
      .section-head h2 { font-size: 21px; }
      .filter-panel { padding: 14px; }
      .filter-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
      .filter-actions { display: grid; grid-template-columns: 1fr 1fr; }
      .filter-actions .button { padding-inline: 10px; }
      .results-bar { align-items: flex-start; }
      .entry-row { grid-template-columns: 42px minmax(0,1fr); gap: 12px; padding: 14px; }
      .entry-index { width: 40px; height: 40px; border-radius: 12px; }
      .entry-tags { grid-column: 2; justify-content: flex-start; }
      .entry-title { font-size: 14px; }
      .entry-meta { font-size: 11px; }
      .topic-strip { grid-template-columns: 1fr; }
      .topic:first-child { grid-column: auto; }
      .version-items { grid-template-columns: 1fr; }
      .notes-box { grid-template-columns: auto 1fr; padding: 17px; gap: 12px; }
      .notes-box .button { grid-column: 1 / -1; width: 100%; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px 14px; }
      .footer-bottom { display: grid; gap: 5px; }
      .bottom-inner { gap: 10px; }
      .bottom-copy { font-size: 11px; line-height: 1.45; }
      .bottom-copy span { display: none; }
      .bottom-bar .button { min-height: 40px; padding-inline: 12px; white-space: nowrap; }
    }