/* ============================================================
 *  老宋的资源站 · 全站样式（唯一一份，所有页面共用）
 *  想改配色 → 只改下面 :root 里的变量
 * ============================================================ */

:root {
  --bg:        #f7f8fa;
  --bg-soft:   #ffffff;
  --bg-sunken: #f0f2f5;
  --line:      #e5e7eb;
  --line-soft: #eef0f3;
  --text:      #16181d;
  --text-2:    #5b6270;
  --text-3:    #8b93a1;
  --brand:     #2563eb;
  --brand-ink: #1d4ed8;
  --brand-bg:  #eff4ff;
  --accent:    #0d9488;
  --warn:      #b45309;
  --warn-bg:   #fffbeb;
  --ok:        #15803d;
  --ok-bg:     #f0fdf4;
  --radius:    14px;
  --radius-sm: 9px;
  --shadow:    0 1px 2px rgba(16,24,40,.04), 0 8px 24px -12px rgba(16,24,40,.12);
  --shadow-lg: 0 2px 4px rgba(16,24,40,.05), 0 20px 40px -18px rgba(16,24,40,.22);
  --mono: ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei",
          "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
  --head-h: 60px;
}

html[data-theme="dark"] {
  --bg:        #0e1116;
  --bg-soft:   #161a21;
  --bg-sunken: #1c2129;
  --line:      #262c36;
  --line-soft: #20262f;
  --text:      #e8ebf0;
  --text-2:    #a8b0bd;
  --text-3:    #767f8d;
  --brand:     #6ea0ff;
  --brand-ink: #8bb4ff;
  --brand-bg:  #17243c;
  --accent:    #4fd1c5;
  --warn:      #f0b45e;
  --warn-bg:   #2a2113;
  --ok:        #6ee7a0;
  --ok-bg:     #12261a;
  --shadow:    0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.7);
  --shadow-lg: 0 2px 4px rgba(0,0,0,.45), 0 20px 40px -18px rgba(0,0,0,.8);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-ink); text-decoration: underline; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 22px; }

/* ============================ 顶栏 ============================ */

.hdr {
  position: sticky; top: 0; z-index: 50;
  height: var(--head-h);
  background: color-mix(in srgb, var(--bg-soft) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.hdr-in { display: flex; align-items: center; gap: 18px; height: var(--head-h); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; color: var(--text); }
.brand:hover { text-decoration: none; color: var(--text); }
.brand .logo {
  width: 30px; height: 30px; border-radius: 9px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  display: grid; place-items: center; color: #fff; font-size: 15px; font-weight: 800;
}
.brand small { display: block; font-weight: 400; font-size: 11px; color: var(--text-3); letter-spacing: .04em; }

.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav a {
  padding: 7px 13px; border-radius: 8px; color: var(--text-2);
  font-size: 14px; font-weight: 500;
}
.nav a:hover { background: var(--bg-sunken); color: var(--text); text-decoration: none; }
.nav a.on { background: var(--brand-bg); color: var(--brand); }

.icon-btn {
  width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--bg-soft); color: var(--text-2); cursor: pointer;
  display: grid; place-items: center; font-size: 15px;
}
.icon-btn:hover { border-color: var(--brand); color: var(--brand); }

/* ============================ 首屏 ============================ */

.hero { padding: 60px 0 42px; }
.hero .kicker {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .04em;
  color: var(--brand); background: var(--brand-bg);
  border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent);
  padding: 5px 12px; border-radius: 99px; margin-bottom: 20px;
}
.hero h1 {
  margin: 0 0 16px; font-size: 42px; line-height: 1.24;
  font-weight: 800; letter-spacing: -.015em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { margin: 0; max-width: 660px; font-size: 16.5px; color: var(--text-2); }

.cta { display: flex; gap: 12px; margin: 28px 0 0; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 10px; font-size: 14.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-ink); color: #fff; text-decoration: none; }
.btn-ghost { background: var(--bg-soft); border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }

.stats { display: flex; gap: 34px; margin-top: 34px; flex-wrap: wrap; }
.stats div strong { display: block; font-size: 23px; font-weight: 800; letter-spacing: -.02em; }
.stats div span { font-size: 12.5px; color: var(--text-3); }

/* ============================ 通用区块 ============================ */

.section { padding: 34px 0; }
.section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.section-head h2 { margin: 0; font-size: 21px; font-weight: 750; letter-spacing: -.01em; }
.section-head p { margin: 0; color: var(--text-3); font-size: 13.5px; }

.card {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
}

.feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feat .card { padding: 20px; }
.feat h3 { margin: 12px 0 6px; font-size: 15.5px; font-weight: 700; }
.feat p { margin: 0; font-size: 13.5px; color: var(--text-2); line-height: 1.7; }
.feat .ico {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--brand-bg); color: var(--brand);
}

/* ============================ 软件区 ============================ */

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  padding: 6px 14px; border-radius: 99px; font-size: 13.5px; font-weight: 500;
  border: 1px solid var(--line); background: var(--bg-soft); color: var(--text-2); cursor: pointer;
  font-family: inherit;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.on { background: var(--brand); border-color: var(--brand); color: #fff; }

.search { margin-left: auto; position: relative; }
.search input {
  width: 210px; padding: 8px 12px 8px 32px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--bg-soft); color: var(--text);
  font-family: inherit; font-size: 13.5px; outline: none;
}
.search input:focus { border-color: var(--brand); }
.search::before {
  content: "⌕"; position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  color: var(--text-3); font-size: 15px; pointer-events: none;
}

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }

.sw { padding: 20px; display: flex; flex-direction: column; gap: 12px; transition: .16s; }
.sw:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: color-mix(in srgb, var(--brand) 35%, var(--line)); }

.sw-top { display: flex; gap: 13px; align-items: flex-start; }
.sw-ico {
  width: 42px; height: 42px; border-radius: 12px; flex: 0 0 auto;
  display: grid; place-items: center; font-size: 19px;
  background: var(--brand-bg); color: var(--brand);
}
.sw-ico.p { background: var(--warn-bg); color: var(--warn); }
.sw-name { font-size: 16.5px; font-weight: 700; letter-spacing: -.01em; }
.sw-en { font-size: 11.5px; color: var(--text-3); font-family: var(--mono); }
.sw-badge {
  margin-left: auto; flex: 0 0 auto; font-size: 11.5px; font-weight: 600;
  padding: 3px 9px; border-radius: 99px;
  background: var(--ok-bg); color: var(--ok);
}
.sw-badge.pending { background: var(--warn-bg); color: var(--warn); }

.sw-meta { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-3); }
.sw-meta b { font-weight: 600; color: var(--text-2); }

.sw p.sum { margin: 0; font-size: 13.8px; color: var(--text-2); }

.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-size: 11.5px; padding: 2.5px 8px; border-radius: 6px;
  background: var(--bg-sunken); color: var(--text-2);
}

details.hl { border-top: 1px dashed var(--line); padding-top: 10px; }
details.hl summary {
  cursor: pointer; font-size: 13px; color: var(--brand); font-weight: 600;
  list-style: none; user-select: none;
}
details.hl summary::-webkit-details-marker { display: none; }
details.hl summary::before { content: "▸ "; }
details.hl[open] summary::before { content: "▾ "; }
details.hl ul { margin: 8px 0 0; padding-left: 20px; font-size: 13.2px; color: var(--text-2); }
details.hl li { margin-bottom: 5px; }

.sw-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: auto; padding-top: 4px; }
.sw-actions .btn { padding: 8px 15px; font-size: 13.5px; }
.sw-note { font-size: 11.5px; color: var(--text-3); width: 100%; }

/* ============================ 服务入口 ============================ */

.svc { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.svc .card { padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.svc h3 { margin: 0; font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.svc h3 span.p { font-size: 11.5px; font-weight: 600; padding: 2.5px 8px; border-radius: 6px; background: var(--bg-sunken); color: var(--text-3); font-family: var(--mono); }
.svc p { margin: 0; font-size: 13.5px; color: var(--text-2); }
.svc .u { font-family: var(--mono); font-size: 13px; }
.svc .u a { word-break: break-all; }

/* ============================ 页脚 ============================ */

.ftr {
  margin-top: 48px; border-top: 1px solid var(--line);
  padding: 26px 0 40px; font-size: 13px; color: var(--text-3);
}
.ftr-in { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }

/* ============================ 目录页 ============================ */

.cat-layout { display: grid; grid-template-columns: 236px 1fr; gap: 28px; padding: 32px 0 60px; align-items: start; }

.side { position: sticky; top: calc(var(--head-h) + 20px); }
.side h4 {
  margin: 0 0 10px; font-size: 11.5px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-3);
}
.side ul { list-style: none; margin: 0; padding: 0; }
.side li { margin-bottom: 2px; }
.side a {
  display: block; padding: 7px 11px; border-radius: 8px; font-size: 13.5px;
  color: var(--text-2); border-left: 2px solid transparent;
}
.side a:hover { background: var(--bg-sunken); color: var(--text); text-decoration: none; }
.side a.on { background: var(--brand-bg); color: var(--brand); border-left-color: var(--brand); font-weight: 600; }

.cat-block { padding: 22px; margin-bottom: 14px; scroll-margin-top: calc(var(--head-h) + 18px); }
.cat-block:target { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-bg); }
.cat-block h3 { margin: 0 0 4px; font-size: 18px; font-weight: 750; display: flex; align-items: center; gap: 10px; }
.cat-block > p.d { margin: 0 0 14px; font-size: 13.5px; color: var(--text-2); }

.docrow {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 13px; border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
  margin-bottom: 8px; background: var(--bg);
}
.docrow:hover { border-color: var(--brand); background: var(--brand-bg); text-decoration: none; }
.docrow .t { font-size: 14px; font-weight: 600; color: var(--text); }
.docrow .t small { display: block; font-weight: 400; font-size: 12px; color: var(--text-3); }
.docrow .go { margin-left: auto; color: var(--text-3); font-size: 15px; }

/* ============================ 内容页（Word 教程风） ============================ */

.doc-layout {
  display: grid; grid-template-columns: 226px minmax(0, 1fr); gap: 34px;
  padding: 26px 0 70px; align-items: start;
}
.doc-toc { position: sticky; top: calc(var(--head-h) + 20px); }
.doc-toc h4 {
  margin: 0 0 10px; font-size: 11.5px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-3);
}
.doc-toc ol { list-style: none; margin: 0; padding: 0; counter-reset: t; }
.doc-toc li { margin-bottom: 1px; }
.doc-toc a {
  display: block; padding: 6px 11px; border-radius: 8px; font-size: 13.2px;
  color: var(--text-2); border-left: 2px solid var(--line);
}
.doc-toc a:hover { background: var(--bg-sunken); color: var(--text); text-decoration: none; }
.doc-toc a.on { background: var(--brand-bg); color: var(--brand); border-left-color: var(--brand); font-weight: 600; }

.crumbs { font-size: 13px; color: var(--text-3); margin-bottom: 18px; display: flex; gap: 7px; flex-wrap: wrap; }
.crumbs a { color: var(--text-3); }
.crumbs a:hover { color: var(--brand); }

.doc-body {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 40px 46px 48px; min-width: 0;
}
.doc-body h1 {
  margin: 0 0 8px; font-size: 29px; font-weight: 800; letter-spacing: -.02em; line-height: 1.3;
}
.doc-meta {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  font-size: 12.5px; color: var(--text-3);
  padding-bottom: 18px; margin-bottom: 26px; border-bottom: 1px solid var(--line);
}
.doc-meta .pill {
  padding: 2.5px 9px; border-radius: 6px; background: var(--bg-sunken);
  color: var(--text-2); font-weight: 600;
}
.doc-body h2 {
  margin: 38px 0 12px; font-size: 20px; font-weight: 750; letter-spacing: -.01em;
  scroll-margin-top: calc(var(--head-h) + 18px);
  padding-bottom: 8px; border-bottom: 1px solid var(--line-soft);
}
.doc-body h2:first-of-type { margin-top: 6px; }
.doc-body h3 { margin: 24px 0 8px; font-size: 16px; font-weight: 700; }
.doc-body p { margin: 0 0 13px; color: var(--text-2); }
.doc-body strong { color: var(--text); font-weight: 650; }
.doc-body ul, .doc-body ol { margin: 0 0 14px; padding-left: 24px; color: var(--text-2); }
.doc-body li { margin-bottom: 6px; }
.doc-body li > ul { margin-top: 6px; }
.doc-body code {
  font-family: var(--mono); font-size: 12.8px;
  background: var(--bg-sunken); padding: 2px 6px; border-radius: 5px; color: var(--text);
}
.doc-body pre {
  background: var(--bg-sunken); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 14px 16px; overflow: auto; margin: 0 0 14px;
}
.doc-body pre code { background: none; padding: 0; font-size: 12.8px; line-height: 1.7; }

.doc-body table {
  width: 100%; border-collapse: collapse; margin: 0 0 16px; font-size: 13.4px;
}
.doc-body th, .doc-body td {
  border: 1px solid var(--line); padding: 9px 12px; text-align: left; vertical-align: top;
}
.doc-body th { background: var(--bg-sunken); font-weight: 650; color: var(--text); }
.doc-body td { color: var(--text-2); }

.note {
  border-left: 3px solid var(--brand); background: var(--brand-bg);
  padding: 12px 16px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 0 0 16px; font-size: 13.5px; color: var(--text-2);
}
.note.warn { border-left-color: var(--warn); background: var(--warn-bg); }
.note.ok   { border-left-color: var(--ok);   background: var(--ok-bg); }
.note b { color: var(--text); }

.doc-foot {
  display: flex; gap: 12px; justify-content: space-between; align-items: center;
  margin-top: 42px; padding-top: 20px; border-top: 1px solid var(--line); flex-wrap: wrap;
}
.doc-foot a { font-size: 13.5px; font-weight: 600; }

/* ==================== 下载总开关（服务端控制） ==================== */

/* 关闭态按钮：不可点、无 hover 反馈 */
.btn-off,
.btn-off:hover {
  background: var(--bg-sunken) !important;
  color: var(--text-3) !important;
  border-color: var(--line) !important;
  box-shadow: none !important;
  text-decoration: none !important;
  cursor: not-allowed;
}

/* 顶部提示横幅 */
.dl-bar {
  background: var(--warn-bg);
  color: var(--warn);
  border-bottom: 1px solid var(--line);
  padding: 10px 20px;
  font-size: 13.5px;
  text-align: center;
  line-height: 1.6;
}
.dl-bar b { font-weight: 700; }

@media (max-width: 940px) {
  .dl-bar { font-size: 12.5px; padding: 9px 14px; }
}

/* ============================ 响应式 ============================ */

@media (max-width: 940px) {
  .feat, .grid, .svc { grid-template-columns: 1fr; }
  .cat-layout, .doc-layout { grid-template-columns: 1fr; gap: 20px; }
  .side, .doc-toc { position: static; }
  .doc-toc ol { display: flex; flex-wrap: wrap; gap: 6px; }
  .doc-toc a { border: 1px solid var(--line); border-radius: 99px; padding: 5px 12px; }
  .hero h1 { font-size: 32px; }
  .doc-body { padding: 26px 20px 34px; }
  .search { margin-left: 0; }
  .search input { width: 100%; }
  .nav a { padding: 6px 9px; font-size: 13px; }
}