:root{
  --bg:#f6f8fb;--surface:#fff;--text:#1f2937;--muted:#667085;--primary:#2563eb;--border:#e5e7eb;
  --space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--radius:14px;
  --container:1200px;--shadow:0 6px 18px rgba(15,23,42,.06);
}
*{box-sizing:border-box}body{margin:0;font:16px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(1200px 420px at 100% -120px,#eef4ff 0%,transparent 55%),var(--bg);color:var(--text);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}a{text-decoration:none;color:inherit}h1,h2,h3,p{margin:0}
.container{width:min(100% - 32px,var(--container));margin-inline:auto}.page{padding:24px 0}.sr-only{position:absolute;left:-9999px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.meta{color:var(--muted);font-size:14px}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--border)}
.site-header.is-scrolled{box-shadow:var(--shadow)}
.header-inner{height:64px;display:flex;align-items:center;gap:var(--space-2)}
.brand{font-weight:800;font-size:20px;letter-spacing:.3px;background:linear-gradient(135deg,#111827 0%,#1d4ed8 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.icon-btn{width:40px;height:40px;border:1px solid var(--border);border-radius:10px;background:#fff;display:grid;place-items:center;line-height:1;color:#5b677c;transition:all .2s ease}
.icon-btn:hover{border-color:#c7d3e6;background:#f9fbff}
.site-nav{display:none;position:absolute;left:16px;right:16px;top:70px;background:rgba(255,255,255,.98);border:1px solid #e3eaf5;border-radius:14px;box-shadow:0 14px 36px rgba(15,23,42,.10);padding:10px}
.site-nav.is-open{display:grid;gap:8px}
.site-nav a{position:relative;display:flex;align-items:center;min-height:38px;padding:0 12px;border:1px solid transparent;border-radius:10px;color:#445066;font-size:14px;font-weight:600;letter-spacing:.1px;transition:all .22s ease}
.site-nav a::before{content:"";width:0;height:0;border-radius:50%;background:transparent;transition:all .22s ease;flex:0 0 auto}
.site-nav a:hover{color:#1d4ed8;border-color:#d7e2f4;background:linear-gradient(135deg,#f8fbff 0%,#f1f7ff 100%);transform:translateX(2px)}
.site-nav a.is-active,.site-nav a[aria-current="page"]{color:#1e40af;border-color:#bfd2f2;background:linear-gradient(135deg,#f3f8ff 0%,#eaf2ff 100%);box-shadow:0 8px 18px rgba(37,99,235,.12)}
.site-nav a.is-active::before,.site-nav a[aria-current="page"]::before{width:6px;height:6px;margin-right:8px;background:linear-gradient(135deg,#2563eb 0%,#60a5fa 100%);box-shadow:0 0 0 3px rgba(37,99,235,.14)}
.search-wrap{margin-left:auto;position:relative}
.search-wrap .icon-btn{border-color:#d7e1ef;background:linear-gradient(180deg,#fff 0%,#f7faff 100%)}
.search-wrap .icon-btn:hover{color:#1d4ed8;border-color:#bfd2f2;box-shadow:0 8px 18px rgba(37,99,235,.12)}
.search-wrap .icon-btn svg{display:block}
.search-panel{display:none;position:absolute;right:0;top:50px;min-width:292px;background:rgba(255,255,255,.98);backdrop-filter:saturate(160%) blur(8px);border:1px solid #dbe5f3;border-radius:14px;padding:10px;box-shadow:0 16px 34px rgba(15,23,42,.12)}
.search-wrap.is-open .search-panel{display:block;animation:fadeInUp .2s ease}
.search-panel::before{content:"";position:absolute;top:-6px;right:16px;width:10px;height:10px;background:rgba(255,255,255,.98);border-left:1px solid #dbe5f3;border-top:1px solid #dbe5f3;transform:rotate(45deg)}
.search-panel input{height:40px;min-width:220px;padding:0 12px;border:1px solid #d5dfed;border-radius:10px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.search-panel input:focus{outline:none;border-color:#a9c3f1;box-shadow:0 0 0 4px rgba(37,99,235,.12)}

/* 页面布局 */
.layout{display:grid;gap:24px;align-items:start}.main-col{min-width:0}.side-col{display:grid;gap:16px;align-content:start}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.section-head h1,.section-head h2{font-size:24px;line-height:1.3;letter-spacing:.2px}
.section-head a{font-size:14px;color:#4f5f78;border:1px solid #d9e2ef;background:#fff;padding:6px 10px;border-radius:999px;transition:all .2s ease}
.section-head a:hover{color:var(--primary);border-color:#b9ccf8;background:#f6f9ff}

/* 首页最新资讯标题栏 */
.section-head--news{padding:12px 14px;margin-bottom:14px;border:1px solid #e7edf6;border-radius:12px;background:linear-gradient(135deg,#ffffff 0%,#f8fbff 100%)}
.section-head--news h1,.section-head--news h2{display:flex;align-items:center;gap:8px;font-size:22px}
.section-head__badge{display:inline-flex;align-items:center;justify-content:center;height:20px;padding:0 8px;border-radius:999px;background:linear-gradient(135deg,#2563eb 0%,#3b82f6 100%);color:#fff;font-size:11px;font-weight:700;letter-spacing:.5px}
.section-head--news a{padding:7px 12px;border-color:#cfdcf0;background:linear-gradient(180deg,#fff 0%,#f6f9ff 100%);font-weight:600}
.section-head--news a:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(37,99,235,.12)}
.section-head--news{display:grid;grid-template-columns:1fr;align-items:start;gap:10px}
.section-head--news h1,.section-head--news h2{white-space:nowrap}
.news-tabs-wrap{display:flex;align-items:center;gap:10px;min-width:0;width:100%}
.news-tabs{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:0;width:100%}
.news-tabs::-webkit-scrollbar{display:none}
.news-tabs button,.news-tabs a{display:inline-flex;align-items:center;justify-content:center;height:32px;padding:0 12px;border:1px solid #d5dfed;border-radius:999px;background:#fff;color:#475569;font-size:14px;line-height:1;white-space:nowrap;cursor:pointer;transition:all .2s ease}
.news-tabs button:hover,.news-tabs a:hover{border-color:#bfd2f2;color:#1d4ed8;background:#f7faff}
.news-tabs button.is-active,.news-tabs a.is-active{border-color:#a9c3f1;background:linear-gradient(180deg,#eef5ff 0%,#e7f0ff 100%);color:#1d4ed8;box-shadow:0 6px 14px rgba(37,99,235,.12)}
.news-panel[hidden]{display:none!important}

/* 首页焦点区 */
.hero{display:grid;gap:16px;margin-bottom:24px;align-items:start}
.hero-main img{aspect-ratio:16/9;object-fit:cover}
.hero-carousel{position:relative;isolation:isolate}
.hero-carousel__viewport{position:relative;min-height:100%;aspect-ratio:16/9;overflow:hidden}
.hero-carousel__slide{position:absolute;inset:0;display:grid;align-content:end;opacity:0;pointer-events:none;transition:opacity .45s ease}
.hero-carousel__slide.is-active{position:relative;opacity:1;pointer-events:auto}
.hero-carousel__slide img{width:100%;height:100%}
.hero-carousel__slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,6,23,.06) 24%,rgba(2,6,23,.58) 100%)}
.hero-carousel__slide .hero-overlay{position:absolute;left:0;right:0;bottom:0;z-index:2;color:#fff}
.hero-overlay{padding:18px 18px 20px}
.hero-overlay h1,.hero-overlay h2{font-size:24px;line-height:1.35;letter-spacing:.2px;max-width:92%}

.hero-carousel__btn{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:38px;height:38px;border-radius:999px;border:1px solid rgba(255,255,255,.5);background:rgba(15,23,42,.28);color:#fff;font-size:22px;line-height:1;display:grid;place-items:center;transition:all .2s ease;opacity:.92}
.hero-carousel__btn:hover{background:rgba(15,23,42,.45);border-color:rgba(255,255,255,.75)}
.hero-carousel__btn.is-prev{left:12px}
.hero-carousel__btn.is-next{right:12px}

.hero-carousel__dots{position:absolute;left:0;right:0;bottom:12px;z-index:3;display:flex;justify-content:center;gap:8px}
.hero-carousel__dots button{width:22px;height:4px;border-radius:999px;border:0;background:rgba(255,255,255,.45);transition:all .2s ease}
.hero-carousel__dots button.is-active{width:30px;background:#fff}
.hero-side{display:grid;gap:16px}.mini a{display:grid;grid-template-rows:auto auto;height:100%}.mini img{width:100%;aspect-ratio:16/9;height:auto;object-fit:cover}.mini h2{padding:12px;font-size:16px;line-height:1.4}

/* 轮播比例兼容：避免在不支持 aspect-ratio 的环境下出现 393x299 之类过高比例 */
@supports not (aspect-ratio:16/9){
  .hero-carousel__viewport{height:0;padding-top:56.25%}
  .hero-carousel__slide,.hero-carousel__slide.is-active{position:absolute;inset:0}
}

/* 列表卡片 */
.news-list{display:grid;gap:18px}
.list-item{display:grid;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.list-item:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(15,23,42,.12);border-color:#dbe2ea}
.list-item__thumb{display:block}
.list-item img{aspect-ratio:16/9;object-fit:cover}
.list-item__content{display:grid;gap:10px;padding:16px 16px 18px}
.list-item h2,.list-item h3{font-size:20px;line-height:1.4;letter-spacing:.2px}
.list-item__title{color:inherit;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;transition:color .2s ease}
.list-item__title:hover{color:var(--primary)}
.list-item__content>p:not(.meta-rich){color:var(--muted);font-size:15px;line-height:1.7;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden}
.list-item .meta{display:flex;align-items:center;gap:8px;font-size:13px;color:#8a94a6;margin-top:2px;-webkit-line-clamp:1;line-clamp:1}
.list-item .meta::before{content:"";width:4px;height:4px;border-radius:50%;background:#9aa4b2;flex:0 0 auto}
.list-item .meta-rich{margin:0;padding-top:10px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;border-top:1px dashed #e7edf6;font-size:13px;color:#6b7280;line-height:1.4;-webkit-line-clamp:unset;line-clamp:unset;overflow:visible}
.list-item .meta-rich::before{display:none}
.meta-rich .meta-category{display:inline-flex;align-items:center;justify-content:center;min-height:24px;padding:0 10px;border:1px solid #cfe0fb;border-radius:999px;background:linear-gradient(180deg,#f3f8ff 0%,#ebf3ff 100%);color:#1d4ed8;font-weight:700;line-height:1.2;transition:all .2s ease}
.meta-rich .meta-category:hover{border-color:#a9c3f1;background:linear-gradient(180deg,#eef5ff 0%,#e3efff 100%)}
.meta-rich time,.meta-rich span{display:inline-flex;align-items:center;min-height:24px;padding:0 10px;border-radius:999px;background:#f5f7fb;color:#6b7280;line-height:1.2}
.meta-rich time::before{content:"🕒";font-size:11px;margin-right:6px;opacity:.75}
.meta-rich span::before{content:"👁";font-size:11px;margin-right:6px;opacity:.75}
.news-list .list-item:nth-child(odd){background:linear-gradient(180deg,#fff 0%,#fbfcff 100%)}
.news-list .list-item:nth-child(even){background:linear-gradient(180deg,#fff 0%,#f9fbff 100%)}

/* list/search 页面附加层次 */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:#7b8799;margin-bottom:14px}
.breadcrumb a{color:#5f6f86}
.breadcrumb a:hover{color:var(--primary)}
.page>.meta{margin-bottom:14px}
mark{background:rgba(37,99,235,.14);color:#1d4ed8;padding:0 4px;border-radius:4px}
.widget{padding:16px}.widget h2{font-size:18px;margin-bottom:12px}.widget ol,.widget ul{display:grid;gap:10px;padding-left:18px}
.widget li a{color:#4b5565;transition:color .2s ease}
.widget li a:hover{color:var(--primary)}

/* 首页热点阅读 */
.widget--hot h2{display:flex;align-items:center;gap:8px}
.widget--hot h2::before{content:"";width:4px;height:14px;border-radius:4px;background:linear-gradient(180deg,#f59e0b 0%,#ef4444 100%)}
.widget--hot ol{counter-reset:hotRank;list-style:none;padding-left:0;gap:8px}
.widget--hot li{counter-increment:hotRank}
.widget--hot li a{display:grid;grid-template-columns:28px 1fr;align-items:center;gap:10px;min-height:38px;padding:6px 8px;border:1px solid #e8edf5;border-radius:10px;background:linear-gradient(180deg,#ffffff 0%,#fbfdff 100%);font-size:14px;line-height:1.45}
.widget--hot li a::before{content:counter(hotRank);display:grid;place-items:center;width:24px;height:24px;border-radius:7px;background:#eef2f7;color:#6b7280;font-size:12px;font-weight:700}
.widget--hot li:nth-child(-n+3) a::before{color:#fff}
.widget--hot li:nth-child(1) a::before{background:linear-gradient(135deg,#f59e0b 0%,#ef4444 100%)}
.widget--hot li:nth-child(2) a::before{background:linear-gradient(135deg,#fb923c 0%,#f97316 100%)}
.widget--hot li:nth-child(3) a::before{background:linear-gradient(135deg,#60a5fa 0%,#2563eb 100%)}
.widget--hot li a:hover{transform:translateX(2px);border-color:#cfdcf0;background:linear-gradient(180deg,#fff 0%,#f6f9ff 100%)}
.tags{display:flex;flex-wrap:wrap;gap:8px}.tags a{font-size:14px;padding:6px 10px;border:1px solid var(--border);border-radius:999px}

/* 文章详情 */
.article{padding:20px}.article h1{font-size:30px;line-height:1.3;margin-bottom:8px}
.article img{margin:16px 0;border-radius:12px}
.article-content{display:grid;gap:12px}.article-content h2{font-size:22px;margin-top:8px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;color:#6b7280;font-size:13px;line-height:1.4;margin-top:2px}
.article-meta__item{display:inline-flex;align-items:center;min-height:28px;padding:0 12px;border:1px solid #d9e3f1;border-radius:999px;background:linear-gradient(180deg,#ffffff 0%,#f6f9ff 100%)}
.article-meta__author{color:#1e3a8a;font-weight:600;background:linear-gradient(180deg,#eff6ff 0%,#eaf2ff 100%);border-color:#cfe0fb}
.article-meta__author::before{content:"✍";font-size:12px;margin-right:6px;opacity:.85}
.article-meta__time::before{content:"🕒";font-size:11px;margin-right:6px;opacity:.75}
.article-meta__hits::before{content:"👁";font-size:11px;margin-right:6px;opacity:.75}
.article-content pre{position:relative;margin:10px 0;border:1px solid #d8e1ef;border-radius:10px;overflow:auto;background:#0b1220;box-shadow:inset 0 1px 0 rgba(255,255,255,.04);-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.article-content pre::-webkit-scrollbar{height:8px;width:8px}
.article-content pre::-webkit-scrollbar-thumb{background:rgba(148,163,184,.45);border-radius:999px}
.article-content pre code{display:block;min-width:max-content;padding:40px 12px 14px;color:#e5edff;font:14px/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;white-space:pre;tab-size:2}
.article-content pre code.hljs{background:transparent}
.article-content pre.language-markdown,
.article-content pre code.language-markdown,
.article-content pre[data-lang="MARKDOWN"] code{min-width:0;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}
.article-content pre.code-block::before{content:attr(data-lang);position:absolute;left:12px;top:10px;display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:999px;background:rgba(148,163,184,.22);color:#dbe7ff;font-size:11px;font-weight:700;letter-spacing:.4px}
.article-content pre.code-block:not([data-lang])::before{content:"CODE"}
.code-copy-btn{position:absolute;right:10px;top:8px;height:26px;padding:0 10px;border:1px solid rgba(148,163,184,.45);border-radius:8px;background:rgba(15,23,42,.55);color:#e5edff;font-size:12px;line-height:1;cursor:pointer;transition:all .2s ease}
.code-copy-btn:hover{background:rgba(30,41,59,.8);border-color:rgba(147,197,253,.6)}
.code-copy-btn.is-copied{background:rgba(22,163,74,.22);border-color:rgba(74,222,128,.7);color:#dcfce7}

/* 实用软件详情页 */
.soft-article{display:grid;gap:14px}
.soft-article__head{display:grid;gap:8px}
.soft-overview{display:grid;gap:12px}
.soft-article__cover{margin:0}
.soft-article__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px}
.soft-specs{padding:14px;display:grid;gap:12px;border-color:#dce7f7;background:linear-gradient(180deg,#f8fbff 0%,#f3f8ff 100%)}
.soft-specs h2{font-size:18px;line-height:1.35}
.soft-specs__list{display:grid;grid-template-columns:1fr;gap:8px;margin:0;padding:0;list-style:none}
.soft-specs__list li{display:grid;grid-template-columns:88px 1fr;align-items:center;gap:10px;padding:10px 12px;border:1px solid #dce6f5;border-radius:10px;background:#fff}
.soft-specs__list span{font-size:13px;color:#64748b;letter-spacing:.2px}
.soft-specs__list strong{font-size:14px;color:#0f172a;font-weight:700;word-break:break-word;line-height:1.45}
.soft-specs__stars{color:#f59e0b;letter-spacing:1px;white-space:nowrap}
.soft-download{padding:14px;display:grid;gap:10px;border-color:#dce7f7;background:linear-gradient(180deg,#f8fbff 0%,#f3f8ff 100%)}
.soft-download h2{font-size:18px;line-height:1.35}
.soft-download p{color:#5f6f86;font-size:14px;line-height:1.7}
.soft-download__actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.soft-download__actions .tool-btn{width:100%}
.soft-content{padding:14px}
.soft-content__head{display:flex;align-items:center;gap:8px;padding-bottom:10px;margin-bottom:10px;border-bottom:1px dashed #d8e2f0}
.soft-content__head h2{font-size:20px;line-height:1.35}
.soft-content__head::before{content:"";width:4px;height:16px;border-radius:4px;background:linear-gradient(180deg,#2563eb 0%,#60a5fa 100%)}
.soft-modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:16px;background:rgba(15,23,42,.52)}
.soft-modal[hidden]{display:none!important}
.soft-modal__dialog{width:min(100%,420px);padding:16px;display:grid;gap:10px}
.soft-modal__dialog h2{font-size:18px;line-height:1.35}
.soft-modal__name{font-size:14px;color:#64748b;word-break:break-word}
.soft-modal__code{font-size:14px;color:#334155}
.soft-modal__tip{font-size:14px;color:#64748b}
.article-content{word-break:break-word}
.article-content a{color:#1d4ed8;text-decoration:underline;text-underline-offset:3px}
.article-content table{width:100%;display:block;overflow:auto;border-collapse:collapse}
.article-content table td,.article-content table th{border:1px solid #e5e7eb;padding:8px 10px}

/* 搜索与分页 */
.search-inline{display:flex;gap:8px;margin:12px 0}
.search-inline input{flex:1;height:42px;padding:0 12px;border:1px solid #d5dfed;border-radius:12px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.search-inline input:focus{outline:none;border-color:#a9c3f1;box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.search-inline button{height:42px;padding:0 18px;border:0;border-radius:12px;background:linear-gradient(135deg,#2563eb 0%,#3b82f6 100%);color:#fff;font-weight:600;box-shadow:0 10px 18px rgba(37,99,235,.20);transition:transform .2s ease,box-shadow .2s ease}
.search-inline button:hover{transform:translateY(-1px);box-shadow:0 14px 24px rgba(37,99,235,.28)}
.pager{margin-top:24px}
.pager .pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:0;padding:0;list-style:none}
.pager li{margin:0;padding:0;list-style:none}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border:1px solid var(--border);border-radius:10px;background:#fff;color:#53627a;line-height:1;transition:all .2s ease}
.pager a:hover{color:var(--primary);border-color:#b9ccf8;background:#f6f9ff;transform:translateY(-1px)}
.pager .active a,.pager .active span{color:#fff;border-color:#2563eb;background:linear-gradient(135deg,#2563eb 0%,#3b82f6 100%);box-shadow:0 8px 16px rgba(37,99,235,.22)}
.pager .disabled a,.pager .disabled span{opacity:.45;pointer-events:none;background:#f8fafc}

/* 在线工具列表页 */
.tools-toolbar{display:grid;gap:10px;margin-bottom:14px}
.tools-search{display:flex;gap:8px}
.tools-search input{flex:1;height:42px;padding:0 12px;border:1px solid #d5dfed;border-radius:12px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.tools-search input:focus{outline:none;border-color:#a9c3f1;box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.tools-filters{display:flex;flex-wrap:wrap;gap:8px}
.tools-filters button{height:30px;padding:0 12px;border:1px solid #d7e2f2;border-radius:999px;background:#fff;color:#52627a;font-size:13px;line-height:1;cursor:pointer;transition:all .2s ease}
.tools-filters button:hover{border-color:#bfd2f2;color:#1d4ed8;background:#f7faff}
.tools-filters button.is-active{border-color:#a9c3f1;color:#1d4ed8;background:linear-gradient(180deg,#eef5ff 0%,#e7f0ff 100%);box-shadow:0 6px 14px rgba(37,99,235,.12)}
.tools-grid{display:grid;gap:14px;grid-template-columns:1fr;align-items:stretch}
.tool-card{display:grid;grid-template-rows:auto auto minmax(0,1fr) auto auto;gap:12px;height:100%;padding:14px;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.tool-card[hidden]{display:none!important}
.tool-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(15,23,42,.12);border-color:#dbe2ea}
.tool-card__thumb{display:block;aspect-ratio:16/9;overflow:hidden;border-radius:10px;border:1px solid #e7edf6;background:linear-gradient(180deg,#f8fbff 0%,#eef5ff 100%)}
.tool-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.tool-card:hover .tool-card__thumb img{transform:scale(1.03)}
.tool-card__head{display:grid;grid-template-columns:minmax(0,1fr)auto;align-items:start;gap:10px 12px}
.tool-card__title{min-width:0;font-size:18px;line-height:1.35}
.tool-card__title a{color:inherit}
.tool-card__title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tool-card__title a:hover{color:var(--primary)}
.tool-card__badge{display:inline-flex;align-items:center;justify-content:center;max-width:140px;height:24px;padding:0 10px;border-radius:999px;background:#eef5ff;color:#1d4ed8;border:1px solid #cfe0fb;font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tool-card__desc{color:#667085;font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tool-card__meta{display:flex;flex-wrap:wrap;gap:8px}
.tool-card__meta span{display:inline-flex;align-items:center;min-height:24px;padding:0 10px;border-radius:999px;background:#f5f7fb;color:#6b7280;font-size:12px;line-height:1.2}
.tool-card__actions{display:flex;gap:8px;align-items:center;margin-top:auto}
.tool-btn{display:inline-flex;align-items:center;justify-content:center;height:34px;padding:0 14px;border-radius:10px;border:1px solid #cfdcf0;background:linear-gradient(180deg,#fff 0%,#f6f9ff 100%);color:#374151;font-size:13px;font-weight:600;transition:all .2s ease}
.tool-btn:hover{transform:translateY(-1px);border-color:#b9ccf8;color:#1d4ed8;box-shadow:0 8px 16px rgba(37,99,235,.12)}
.tool-btn.is-primary{border:0;background:linear-gradient(135deg,#2563eb 0%,#3b82f6 100%);color:#fff;box-shadow:0 10px 18px rgba(37,99,235,.20)}
.tool-btn.is-primary:hover{box-shadow:0 14px 24px rgba(37,99,235,.28)}
.tools-empty{padding:24px;border:1px dashed #d8e2f0;border-radius:12px;background:#fbfdff;color:#6b7280;text-align:center}
.tools-empty[hidden]{display:none!important}
.tool-card__title mark{background:rgba(37,99,235,.14);color:#1d4ed8;padding:0 3px;border-radius:4px}

/* 首页友情链接 */
.friend-links{margin-top:10px;padding:24px 0;background:linear-gradient(180deg,#f7faff 0%,#f3f7fe 100%);border-top:1px solid #e7ecf3;border-bottom:1px solid #e7ecf3}
.friend-links__inner{display:grid;gap:12px}
.friend-links h2{font-size:16px;line-height:1.4;color:#3f4d63;display:flex;align-items:center;gap:8px}
.friend-links h2::before{content:"";width:4px;height:14px;border-radius:4px;background:linear-gradient(180deg,#3b82f6 0%,#60a5fa 100%)}
.friend-links__list{display:flex;flex-wrap:wrap;gap:10px 12px}
.friend-links__list a{display:inline-flex;align-items:center;height:32px;padding:0 12px;border:1px solid #d4ddeb;border-radius:999px;background:linear-gradient(180deg,#fff 0%,#f9fbff 100%);color:#53627a;font-size:13px;transition:transform .18s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease}
.friend-links__list a:hover{transform:translateY(-1px);color:var(--primary);border-color:#b9ccf8;box-shadow:0 6px 16px rgba(37,99,235,.12)}

.site-footer{margin-top:40px;background:linear-gradient(180deg,#ffffff 0%,#f7faff 100%);border-top:1px solid #e3eaf5;box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}
.footer-inner{min-height:88px;padding:18px 0;display:grid;gap:4px;align-content:center}
.footer-brand{font-size:14px;color:#55627a;letter-spacing:.2px}
.footer-brand strong{font-weight:800;background:linear-gradient(135deg,#111827 0%,#1d4ed8 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-note{font-size:13px;color:#7b8799}

.back-to-top{position:fixed;right:16px;bottom:16px;z-index:50;width:44px;height:44px;border:1px solid #cbd8ef;border-radius:999px;background:linear-gradient(135deg,#2563eb 0%,#3b82f6 100%);color:#fff;font-size:20px;line-height:1;display:grid;place-items:center;box-shadow:0 12px 24px rgba(37,99,235,.28);cursor:pointer;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .22s ease,transform .22s ease,box-shadow .22s ease}
.back-to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{box-shadow:0 16px 28px rgba(37,99,235,.34);transform:translateY(-1px)}

@keyframes fadeInUp{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}

/* 响应式断点 */
@media (min-width:768px){
  .nav-toggle{display:none}.site-nav{display:flex;position:static;left:auto;right:auto;top:auto;border:0;padding:0 0 0 18px;gap:8px;background:transparent;margin-left:20px;border-left:1px solid #e7ecf3;box-shadow:none}
  .site-nav a{min-height:36px;padding:0 12px;border-radius:999px;border:1px solid transparent}
  .site-nav a:hover{transform:translateY(-1px);background:linear-gradient(180deg,#f8fbff 0%,#f3f8ff 100%);border-color:#d4e0f3;color:#1e40af;box-shadow:0 6px 14px rgba(37,99,235,.10)}
  .site-nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;background:linear-gradient(90deg,#2563eb 0%,#60a5fa 100%);transform:scaleX(0);transform-origin:center;transition:transform .22s ease;opacity:.9}
  .site-nav a:hover::after{transform:scaleX(1)}
  .site-nav a.is-active::after,.site-nav a[aria-current="page"]::after{transform:scaleX(1)}
  .hero{grid-template-columns:2fr 1fr;align-items:stretch}
  .hero-side{height:100%;grid-template-rows:1fr 1fr}
  .list-item{grid-template-columns:280px 1fr;align-items:stretch}
  .hero-carousel__btn{width:42px;height:42px}
  .list-item__content{padding:18px 20px}
  .article-meta{font-size:14px;gap:10px}
  .article-meta__item{min-height:30px;padding:0 13px}
  .article-content pre{border-radius:12px}
  .article-content pre code{padding:44px 16px 16px}
  .section-head--news{display:flex;align-items:center;justify-content:space-between;gap:14px}
  .news-tabs-wrap{width:auto}
  .news-tabs{width:auto;scrollbar-width:thin;padding-bottom:2px}
  .news-tabs::-webkit-scrollbar{display:block;height:4px}
  .news-tabs::-webkit-scrollbar-thumb{background:#d5dfed;border-radius:999px}
  .tools-toolbar{grid-template-columns:minmax(0,1fr)auto;align-items:center}
  .tools-search{max-width:420px}
  .tools-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .soft-overview{grid-template-columns:minmax(0,1fr)360px;align-items:start}
  .soft-specs{position:sticky;top:84px}
  .soft-download{padding:16px}
  .soft-content{padding:16px}
  .layout{grid-template-columns:minmax(0,1fr)320px}
  .friend-links{padding:24px 0}
  .footer-inner{min-height:72px;padding:16px 0;display:flex;justify-content:space-between;align-items:center;gap:16px}
  .footer-note{text-align:right}
  .back-to-top{right:24px;bottom:24px}
}
@media (min-width:1024px){
  .article h1{font-size:36px}
  .news-list{gap:20px}
  .list-item{grid-template-columns:320px 1fr}
  .list-item h2,.list-item h3{font-size:22px}
  .tools-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .soft-content{padding:18px}
}

@media (max-width:420px){
  .soft-download__actions{grid-template-columns:1fr}
  .soft-specs__list li{grid-template-columns:78px 1fr}
}
@media (min-width:1280px){.container{width:min(100% - 48px,var(--container))}}