:root {
  --forest: #163c2b;
  --forest-2: #24583c;
  --grass: #4d8c42;
  --sun: #ffd45b;
  --soil: #8b4f2f;
  --paper: #fff8e9;
  --paper-2: #f6ecd4;
  --ink: #1c2b24;
  --muted: #5d6c60;
  --line: rgba(28, 43, 36, .14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; line-height: 1.8; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 10; padding: .6rem 1rem; border-radius: 10px; color: var(--forest); background: var(--sun); font-weight: 800; }
.skip-link:focus { top: 1rem; }
.article-header { position: sticky; top: 0; z-index: 5; border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(22,60,43,.95); backdrop-filter: blur(14px); }
.header-inner { width: min(1120px, calc(100% - 36px)); min-height: 70px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: #fff; text-decoration: none; font-weight: 900; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; color: var(--forest); background: var(--sun); font-size: 1.15rem; }
.header-nav { display: flex; align-items: center; gap: .25rem; }
.header-nav a { padding: .45rem .7rem; border-radius: 9px; color: rgba(255,255,255,.78); font-size: .9rem; text-decoration: none; }
.header-nav a:hover, .header-nav a:focus-visible { color: #fff; background: rgba(255,255,255,.12); }
.header-nav .download-link { color: var(--forest); background: var(--sun); font-weight: 900; }
.header-nav .download-link:hover, .header-nav .download-link:focus-visible { color: var(--forest); background: #ffe58d; }
a:focus-visible { outline: 3px solid #7ed7ff; outline-offset: 3px; }
.article-hero { padding: clamp(3.5rem, 8vw, 6.5rem) 0 3.8rem; color: #fff; background: linear-gradient(140deg, #163c2b, #2e7547); }
.article-wrap { width: min(1120px, calc(100% - 36px)); margin: auto; }
.article-hero .article-wrap { max-width: 860px; }
.eyebrow { margin: 0 0 .8rem; color: #ffe38c; font-size: .78rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.22; letter-spacing: -.035em; }
h1 { max-width: 800px; margin: 0 0 1rem; font-size: clamp(2.2rem, 5vw, 4.5rem); }
.hero-summary { max-width: 720px; margin: 0; color: rgba(255,255,255,.78); font-size: 1.06rem; }
.breadcrumb { padding: 1.1rem 0; color: var(--muted); font-size: .85rem; }
.breadcrumb a { color: var(--forest-2); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: clamp(2rem, 6vw, 5rem); align-items: start; padding-bottom: 5rem; }
.article-content { min-width: 0; padding: clamp(1.4rem, 4vw, 2.5rem); border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.7); }
.article-content h2 { margin: 2.2rem 0 .7rem; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.article-content h2:first-child { margin-top: 0; }
.article-content h3 { margin: 1.5rem 0 .45rem; font-size: 1.2rem; }
.article-content p { margin: 0 0 1rem; color: #33443a; }
.article-content ul, .article-content ol { margin: .4rem 0 1.3rem; padding-left: 1.35rem; color: #33443a; }
.article-content li { margin: .35rem 0; }
.article-content blockquote { margin: 1.4rem 0; padding: 1rem 1.2rem; border-left: 4px solid var(--sun); border-radius: 0 12px 12px 0; background: #fff5cf; color: #5f512d; }
.notice { margin: 1.4rem 0; padding: 1rem 1.15rem; border: 1px solid #e9c66a; border-radius: 14px; background: #fff8d9; color: #5d4a1e; }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.article-card { display: flex; flex-direction: column; min-height: 235px; padding: 1.25rem; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.article-card .article-tag { display: inline-flex; align-self: flex-start; margin-bottom: .85rem; padding: .2rem .5rem; border-radius: 99px; color: var(--forest-2); background: #e2f0d8; font-size: .74rem; font-weight: 800; }
.article-card h3 { margin: 0 0 .45rem; font-size: 1.08rem; }
.article-card p { margin: 0 0 1rem; color: var(--muted); font-size: .9rem; }
.article-card a { margin-top: auto; color: var(--forest-2); font-weight: 900; text-decoration: none; }
.article-card a:hover { text-decoration: underline; }
.article-aside { position: sticky; top: 100px; }
.aside-card { padding: 1.2rem; border: 1px solid var(--line); border-radius: 18px; background: var(--paper-2); }
.aside-card + .aside-card { margin-top: 1rem; }
.aside-card h2 { margin: 0 0 .7rem; font-size: 1.08rem; }
.aside-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.aside-card ul { margin: 0; padding: 0; list-style: none; }
.aside-card li + li { margin-top: .35rem; }
.aside-card a { color: var(--forest-2); font-size: .9rem; font-weight: 800; text-decoration: none; }
.aside-card a:hover { text-decoration: underline; }
.quark-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; margin-top: .75rem; padding: .55rem 1rem; border-radius: 11px; color: var(--forest); background: var(--sun); font-weight: 900; text-decoration: none; }
.quark-button:hover { background: #ffe58d; }
.article-footer { padding: 2rem 0; color: rgba(255,255,255,.68); background: #102e21; font-size: .82rem; }
.article-footer .article-wrap { display: flex; justify-content: space-between; gap: 1rem; }
.article-footer a { color: rgba(255,255,255,.88); }
@media (max-width: 820px) { .article-layout { grid-template-columns: 1fr; } .article-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; } .aside-card + .aside-card { margin-top: 0; } }
@media (max-width: 560px) { .header-inner { width: min(100% - 28px, 1120px); } .brand span:last-child { display: none; } .header-nav a:not(.download-link) { display: none; } .article-wrap { width: min(100% - 28px, 1120px); } .article-layout { padding-bottom: 3rem; } .article-aside { display: block; } .aside-card + .aside-card { margin-top: 1rem; } .article-footer .article-wrap { display: block; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }