:root{--drcc-brand:#1d4ed8;--drcc-brand-dark:#1e40af;--drcc-text:#111827;--drcc-muted:#6b7280;--drcc-bg:#fff;--drcc-surface:#f9fafb;--drcc-border:#e5e7eb;--drcc-max:1200px}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:var(--drcc-text);background:var(--drcc-bg);-webkit-font-smoothing:antialiased;margin:0;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.7}img{max-width:100%;height:auto}a{color:var(--drcc-brand)}h1,h2,h3,h4{margin:0 0 12px;font-weight:600;line-height:1.35}h1{font-size:32px}h2{font-size:24px}h3{font-size:18px}.container{max-width:var(--drcc-max);margin:0 auto;padding:0 20px}.page-section{padding:40px 0}.page-section--surface{background:var(--drcc-surface)}.section-head{margin-bottom:24px}.section-head p{color:var(--drcc-muted);margin:0}.grid{gap:20px;display:grid}.grid--3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.grid--4{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.card{border:1px solid var(--drcc-border);background:#fff;border-radius:10px;flex-direction:column;gap:10px;padding:20px;transition:border-color .2s,transform .2s;display:flex}.card:hover{border-color:var(--drcc-brand);transform:translateY(-2px)}.card__title{margin:0;font-size:17px;font-weight:600}.card__desc{color:var(--drcc-muted);margin:0;font-size:14px}.card__meta{color:#9ca3af;font-size:12px}.article__cover{background:#fff;border-radius:10px;width:100%;height:auto;margin-bottom:24px}.card__img{aspect-ratio:4/3;-o-object-fit:cover;object-fit:cover;background:#fff;border-radius:8px;width:100%}.empty-state{text-align:center;border:1px dashed var(--drcc-border);border-radius:10px;padding:48px 20px}.breadcrumb,.breadcrumb a,.empty-state{color:var(--drcc-muted)}.breadcrumb{flex-wrap:wrap;align-items:center;gap:6px;padding:16px 0;font-size:13px;display:flex}.breadcrumb a,.btn{text-decoration:none}.breadcrumb a:hover{color:var(--drcc-brand)}.btn{background:var(--drcc-brand);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:10px 20px;font-size:14px;display:inline-block}.btn:hover{background:var(--drcc-brand-dark)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.drcc-chat-widget{z-index:900;position:fixed;bottom:20px;right:20px}.drcc-chat-launcher{background:var(--drcc-brand);color:#fff;cursor:pointer;border:none;border-radius:50%;width:52px;height:52px;font-size:15px;font-weight:600;box-shadow:0 6px 20px #1d4ed859}.drcc-chat-launcher.is-open{background:var(--drcc-text)}.drcc-chat-frame{border:1px solid var(--drcc-border);background:#fff;border-radius:12px;width:380px;max-width:calc(100vw - 40px);height:560px;position:absolute;bottom:64px;right:0;box-shadow:0 12px 40px #00000029}@media (width<=480px){.drcc-chat-frame{width:calc(100vw - 32px);height:70vh}}.error-page[data-v-b193a580]{text-align:center;padding:96px 20px}.error-page__code[data-v-b193a580]{color:var(--drcc-border);margin:0;font-size:72px;font-weight:700;line-height:1}.error-page__desc[data-v-b193a580]{color:var(--drcc-muted)}.error-page__actions[data-v-b193a580]{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:24px;display:flex}.btn--ghost[data-v-b193a580]{border:1px solid var(--drcc-brand);color:var(--drcc-brand);background:0 0}