@charset "UTF-8";
/* ==========================================================================
   豆包工作教程综合站
   视觉基准：1:1 复刻 doubao.com/work 落地页（work_page.c2f29cea.css 实抠）
   官网 rem 基准 1rem = 100px @1440 设计稿，以下已换算为 px 并用 clamp 做响应式
   ========================================================================== */

/* ── 1. Design Token ─────────────────────────────────────────────────── */
:root {
  /* 色彩：全部来自官网 CSS */
  --brand: #0057ff;
  --brand-deep: #0049a1;
  --brand-glow: #006aff;
  --brand-grad: linear-gradient(283deg, #44adfe, #547cff);
  --ink: #151823;
  --ink-2: #1f2329;
  --body: #000;
  --muted: #666;
  --muted-2: #999;
  --muted-3: #bababa;
  --card-bg: rgba(0, 0, 0, .04);
  --card-bg-hover: rgba(0, 0, 0, .055);
  --line: rgba(0, 0, 0, .08);
  --line-2: rgba(0, 0, 0, .05);
  --panel: #eef5ff;
  --white: #fff;
  --code-bg: #f6f7f9;

  /* 疯狂的豇豆主品牌（页眉/页脚专用）：深底 + 青绿 + 橙红 */
  --cz-dark: #191a23;
  --cz-dark-2: #0f1017;
  --cz-dark-3: #22242f;
  --cz-teal: #4af0c6;
  --cz-teal-deep: #2ad0a8;
  --cz-orange: #f55e32;
  --cz-line: rgba(255, 255, 255, .10);
  --cz-line-2: rgba(255, 255, 255, .06);
  --cz-fg: rgba(255, 255, 255, .62);
  --cz-fg-dim: rgba(255, 255, 255, .56);
  --cz-fg-strong: rgba(255, 255, 255, .86);

  /* 字体：官网 font-family: PingFang SC, sans-serif */
  --font: "PingFang SC", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
          "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;

  /* 字号：官网值 → clamp(min, vw, 官网值@1440) */
  --f-hero: clamp(38px, 4.69vw, 67.5px);
  --f-sec: clamp(30px, 3.91vw, 56.25px);      /* .section h2 = .5625rem */
  --f-sec-p: clamp(17px, 2.17vw, 31.25px);    /* .section p  = .3125rem */
  --f-name: clamp(19px, 1.96vw, 28.125px);    /* .skillName  = .28125rem */
  --f-desc: clamp(15px, 1.74vw, 25px);        /* .card p     = .25rem */
  --f-tab: clamp(20px, 2.61vw, 37.5px);       /* .tab        = .375rem */
  --f-btn: clamp(15px, 1.96vw, 28.125px);     /* .trigger    = .28125rem */

  /* 间距：官网 .section padding 1.875rem 0 .3125rem */
  --sec-pad-t: clamp(72px, 13.02vw, 187.5px);
  --sec-pad-b: clamp(24px, 2.17vw, 31.25px);
  --w-content: 1200px;
  --w-prose: 760px;

  /* 圆角：官网 .card = .375rem(37.5px)，.trigger = .67188rem(67px) */
  --r-card: 28px;
  --r-card-lg: clamp(22px, 2.6vw, 37.5px);
  --r-btn: clamp(30px, 4.66vw, 67.19px);
  --r-panel: clamp(20px, 2.6vw, 37.5px);
  --pad-card: clamp(26px, 3.26vw, 46.88px);

  --shadow-btn: 0 0 9.375px rgba(0, 0, 0, .15);
  --shadow-menu: 0 .03125rem .0625rem 0 rgba(0, 0, 0, .02),
                 0 .0625rem .15625rem 0 rgba(0, 0, 0, .03),
                 0 .0625rem .25rem 0 rgba(0, 0, 0, .03);
  --shadow-pop: 0 8px 40px rgba(0, 0, 0, .12);

  --header-h: 64px;
}

/* ── 2. Reset ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--body);
  background: var(--white);
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { color: var(--ink); margin: 0; font-weight: 600; line-height: 1.25; }
.wrap { width: 100%; max-width: var(--w-content); margin: 0 auto; padding: 0 24px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ── 3. 免责声明条 ───────────────────────────────────────────────────── */
.notice-bar {
  background: var(--cz-dark-2); color: rgba(255, 255, 255, .58);
  font-size: 12.5px; line-height: 1.6; text-align: center;
  padding: 7px 16px; letter-spacing: .2px;
  border-bottom: 1px solid var(--cz-line-2);
}
.notice-bar a { color: var(--cz-teal); }

/* ── 4. Header（结构沿用疯狂的豇豆主站，配色 = 深底 #191a23 + 青绿 #4af0c6） */
.hdr {
  position: sticky; top: 0; z-index: 100;
  background: rgba(25, 26, 35, .88);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--cz-line);
}
.hdr-in {
  max-width: var(--w-content); margin: 0 auto; padding: 0 24px;
  height: var(--header-h); display: flex; align-items: center; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-mk {
  width: 32px; height: 32px; border-radius: 10px;
  background: linear-gradient(135deg, #4af0c6, #2ad0a8); color: #0f1017;
  display: grid; place-items: center;
  font-size: 16px; font-weight: 700; letter-spacing: -.5px;
  box-shadow: 0 3px 12px rgba(74, 240, 198, .3);
}
.brand-nm { font-size: 15px; font-weight: 600; color: #fff; letter-spacing: -.2px; }
.brand-nm em { font-style: normal; color: var(--cz-teal); font-weight: 400; font-size: 12.5px; }

.nav { display: flex; align-items: center; gap: 2px; flex: 1 1 auto; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav-link {
  padding: 7px 12px; border-radius: 10px; font-size: 14px; font-weight: 500;
  color: var(--cz-fg); white-space: nowrap; transition: .18s;
}
.nav-link:hover { background: rgba(255, 255, 255, .08); color: #fff; text-decoration: none; }
.nav-link.on { color: var(--cz-teal); background: rgba(74, 240, 198, .12); }

.hdr-tools { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.search-btn {
  display: flex; align-items: center; gap: 8px;
  height: 34px; padding: 0 12px 0 11px;
  border: 1px solid var(--cz-line); border-radius: 10px;
  background: rgba(255, 255, 255, .06); color: var(--cz-fg);
  font-size: 13px; cursor: pointer; transition: .18s;
}
.search-btn:hover { background: rgba(255, 255, 255, .13); border-color: rgba(74, 240, 198, .38); color: #fff; }
.search-btn kbd {
  font-family: var(--font); font-size: 11px; padding: 1px 5px;
  border: 1px solid var(--cz-line); border-radius: 5px;
  background: rgba(255, 255, 255, .08); color: var(--cz-fg-dim);
}
.burger {
  display: none; width: 34px; height: 34px; border: 1px solid var(--cz-line);
  border-radius: 10px; background: rgba(255, 255, 255, .06); cursor: pointer; padding: 0;
}
.burger span { display: block; width: 15px; height: 1.5px; background: #fff; margin: 3.5px auto; border-radius: 2px; }

/* ── 5. Hero（复刻官网蓝色弥散渐变）─────────────────────────────────── */
.hero {
  position: relative; overflow: hidden; text-align: center;
  padding: clamp(64px, 9.5vw, 137px) 0 clamp(56px, 8vw, 115px);
  background: #001233;
  color: #fff; isolation: isolate;
}
.hero::before,
.hero::after {
  content: ""; position: absolute; inset: -30% -10% auto; height: 150%;
  z-index: -1; pointer-events: none;
}
.hero::before {
  background:
    radial-gradient(46% 42% at 50% 22%, rgba(0, 106, 255, .95) 0%, rgba(0, 106, 255, 0) 68%),
    radial-gradient(70% 52% at 50% 46%, rgba(0, 73, 161, .85) 0%, rgba(0, 73, 161, 0) 72%);
  filter: blur(38px);
}
.hero::after {
  background: radial-gradient(58% 40% at 50% 78%, rgba(0, 0, 0, .92) 0%, rgba(0, 0, 0, 0) 76%);
  filter: blur(26px);
}
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 500;
  background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .22);
  color: rgba(255, 255, 255, .95); margin-bottom: 22px;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.hero h1 {
  font-size: var(--f-hero); font-weight: 600; line-height: 1.16;
  letter-spacing: -.02em; color: #fff; margin: 0 auto 18px;
  max-width: 15em; text-wrap: balance;
}
.hero p.lede {
  font-size: clamp(16px, 1.52vw, 21.9px); line-height: 1.7;
  color: rgba(255, 255, 255, .8); max-width: 44em; margin: 0 auto 34px;
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: clamp(24px, 4vw, 58px); justify-content: center;
  margin-top: clamp(36px, 5vw, 62px); flex-wrap: wrap;
}
.hero-stats div { text-align: center; }
.hero-stats b {
  display: block; font-size: clamp(24px, 2.6vw, 37.5px); font-weight: 600;
  line-height: 1.2; color: #fff; letter-spacing: -.01em;
}
.hero-stats span { font-size: 13px; color: rgba(255, 255, 255, .6); }

/* ── 6. 按钮（官网 .trigger 精确复刻）────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: #fff; color: var(--ink-2);
  border: 0; border-radius: var(--r-btn); cursor: pointer;
  font-family: var(--font); font-size: var(--f-btn); font-weight: 600;
  line-height: 1.22; padding: clamp(12px, 1.74vw, 25px) clamp(18px, 2.17vw, 31.25px);
  white-space: nowrap; transition: background .18s, transform .18s, box-shadow .18s;
  text-decoration: none;
}
.btn:hover { background: #e7e7e7; text-decoration: none; transform: translateY(-1px); }
.btn-dark { background: #000; color: #fff; }
.btn-dark:hover { background: #262626; }
.btn-brand { background: var(--brand); color: #fff; box-shadow: 0 6px 22px rgba(0, 87, 255, .3); }
.btn-brand:hover { background: #004ae0; }
.btn-ghost {
  background: rgba(255, 255, 255, .1); color: #fff;
  border: 1px solid rgba(255, 255, 255, .3); font-weight: 500;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .2); }
.btn-sm { font-size: 14px; padding: 9px 18px; border-radius: 999px; }

/* ── 6.1 首页 hero 升级：双栏 + 工作台 mock ─────────────────────────── */
.hero-grid {
  display: grid; grid-template-columns: 1.02fr .98fr;
  gap: clamp(28px, 4vw, 60px); align-items: center; text-align: left;
}
.hero-copy { text-align: left; }
.hero-copy .eyebrow { margin-bottom: 20px; }
.hero-copy h1 { margin-bottom: 20px; }
.hero-copy .lede { margin-bottom: 30px; }
.hero-cta { justify-content: flex-start; }
.hero-stats { justify-content: flex-start; gap: clamp(22px, 3.4vw, 50px); }

/* 工作台 mock 视觉 */
.hero-mock {
  border-radius: 18px; overflow: hidden; text-align: left;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .18);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .45);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.mock-bar {
  display: flex; align-items: center; gap: 7px; padding: 12px 16px;
  background: rgba(0, 0, 0, .28); border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.mock-bar .dot { width: 11px; height: 11px; border-radius: 50%; background: rgba(255, 255, 255, .35); }
.mock-bar .dot:nth-child(1) { background: #ff5f57; }
.mock-bar .dot:nth-child(2) { background: #febc2e; }
.mock-bar .dot:nth-child(3) { background: #28c840; }
.mock-url {
  margin-left: 10px; font-size: 12.5px; color: rgba(255, 255, 255, .65);
  font-family: var(--mono); letter-spacing: .01em;
}
.mock-body { padding: 20px; }
.mock-prompt {
  font-size: 14px; line-height: 1.6; color: #fff;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 12px; padding: 13px 15px; margin-bottom: 16px;
}
.mock-task { display: grid; gap: 10px; }
.mock-step {
  display: flex; align-items: center; gap: 10px; font-size: 13.5px;
  color: rgba(255, 255, 255, .72); padding: 11px 14px; border-radius: 10px;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1);
}
.mock-step .tk {
  width: 18px; height: 18px; flex: 0 0 18px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; color: #fff; background: rgba(255, 255, 255, .18);
}
.mock-step.done { color: rgba(255, 255, 255, .9); }
.mock-step.done .tk { background: #28c840; }
.mock-step.run { color: #fff; border-color: rgba(0, 106, 255, .6); background: rgba(0, 106, 255, .16); }
.mock-step.run .tk.spin {
  background: transparent; border: 2px solid rgba(255, 255, 255, .35);
  border-top-color: #4af0c6; animation: mockspin .7s linear infinite;
}
.mock-foot {
  display: flex; align-items: center; gap: 8px; margin-top: 16px;
  font-size: 12px; color: rgba(255, 255, 255, .55);
}
.mock-foot .live {
  width: 7px; height: 7px; border-radius: 50%; background: #4af0c6;
  box-shadow: 0 0 0 0 rgba(74, 240, 198, .6); animation: mockpulse 1.6s ease-out infinite;
}
@keyframes mockspin { to { transform: rotate(360deg); } }
@keyframes mockpulse {
  0% { box-shadow: 0 0 0 0 rgba(74, 240, 198, .55); }
  70% { box-shadow: 0 0 0 7px rgba(74, 240, 198, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 240, 198, 0); }
}

/* ── 6.2 价值主张条 ──────────────────────────────────────────────── */
.value-sec { background: linear-gradient(180deg, #fafbfc 0%, #fff 100%); }
.sec.tight { padding-top: clamp(40px, 6vw, 92px); padding-bottom: clamp(40px, 6vw, 92px); }
.pick-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 920px) { .pick-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pick-grid { grid-template-columns: 1fr; } }
.value-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 26px);
}
.value-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-card);
  padding: clamp(22px, 2.4vw, 32px); transition: transform .18s, box-shadow .18s, border-color .18s;
}
.value-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(20, 24, 35, .08); border-color: var(--line-2); }
.value-ic { font-size: 30px; display: block; margin-bottom: 14px; }
.value-card h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin: 0 0 8px; letter-spacing: -.01em; }
.value-card p { font-size: 14px; line-height: 1.65; color: var(--body); opacity: .78; margin: 0; }

/* ── 6.3 学习路径 ────────────────────────────────────────────────── */
.path { display: grid; gap: 12px; max-width: 880px; margin: 0 auto; }
.path-step {
  display: grid; grid-template-columns: auto auto 1fr auto; align-items: center;
  gap: clamp(12px, 1.8vw, 22px); text-decoration: none;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 20px; transition: transform .16s, border-color .16s, box-shadow .16s;
}
.path-step:hover { transform: translateX(4px); border-color: var(--brand); box-shadow: 0 10px 26px rgba(0, 87, 255, .1); text-decoration: none; }
.path-no {
  font-size: 15px; font-weight: 700; color: var(--brand);
  font-family: var(--mono); letter-spacing: .02em;
}
.path-ic { font-size: 22px; }
.path-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.path-nm { font-size: 16px; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.path-ds { font-size: 13px; color: var(--body); opacity: .68; line-height: 1.45; }
.path-ct {
  font-size: 13px; font-weight: 600; color: var(--brand); white-space: nowrap;
  opacity: 0; transform: translateX(-6px); transition: .16s;
}
.path-step:hover .path-ct { opacity: 1; transform: translateX(0); }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { text-align: center; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-mock { margin-top: 8px; }
  .value-grid { grid-template-columns: 1fr; }
  .path-step { grid-template-columns: auto auto 1fr; }
  .path-ct { display: none; }
}

/* ── 7. Section（官网 .section 精确复刻）─────────────────────────────── */
.sec { background: #fff; padding: var(--sec-pad-t) 0 var(--sec-pad-b); overflow: hidden; }
.sec.alt { background: #fafbfc; }
.sec-head { text-align: center; margin-bottom: clamp(32px, 4.4vw, 64px); }
.sec-head h2 {
  font-size: var(--f-sec); font-weight: 600; line-height: 1.2;
  color: var(--ink); margin: 0 auto; letter-spacing: -.02em; text-wrap: balance;
}
.sec-head p {
  color: var(--body); font-size: var(--f-sec-p); line-height: 1.5;
  margin: clamp(10px, 1.4vw, 20px) auto 0; max-width: 32em; opacity: .72;
}
.sec-kicker {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 14px;
}

/* ── 8. 卡片网格（官网 .card 精确复刻）───────────────────────────────── */
.grid { display: grid; gap: clamp(12px, 1.6vw, 23px); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative; display: block; overflow: hidden; text-align: left;
  background: var(--card-bg); border: 1.563px solid transparent;
  border-radius: var(--r-card); padding: var(--pad-card);
  min-height: clamp(150px, 17.4vw, 250px);
  cursor: pointer; transition: background .22s, border-color .22s, transform .22s;
  text-decoration: none; color: inherit;
}
.card:hover { border-color: var(--line-2); background: var(--card-bg-hover); text-decoration: none; transform: translateY(-2px); }
.card:hover .card-name { color: var(--brand); }
.card:hover .card-copy { opacity: 1; transform: translateY(0); }
.card-num {
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: var(--muted-3); margin-bottom: 10px;
}
.card-name {
  color: #000; font-size: var(--f-name); font-weight: 400; line-height: 1.5;
  transition: color .2s ease; display: flex; align-items: center; gap: 6px;
  letter-spacing: -.01em;
}
.card-name strong { font-weight: 400; }
.card p {
  color: #000; opacity: .62; font-size: var(--f-desc); line-height: 1.56;
  margin: clamp(8px, 1.1vw, 16px) 0 0;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden;
}
.card-meta {
  display: flex; align-items: center; gap: 10px; margin-top: 14px;
  font-size: 12.5px; color: var(--muted-3);
}
.card-meta .tag {
  padding: 2px 8px; border-radius: 999px; background: rgba(0, 0, 0, .05);
  font-size: 11.5px; color: var(--muted);
}
/* 官网 .copyButton：白底圆形、0 0 9.375px 阴影、hover 从上方滑入 */
.card-copy {
  position: absolute; right: clamp(18px, 2.4vw, 34px); top: clamp(22px, 3vw, 43px);
  width: clamp(30px, 2.82vw, 40.63px); height: clamp(30px, 2.82vw, 40.63px);
  border-radius: 50%; border: 0; background: #fff; color: var(--muted-3);
  box-shadow: var(--shadow-btn); display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; transform: translateY(-4px);
  transition: opacity .2s ease, transform .2s ease, color .18s;
  padding: 0; z-index: 2;
}
.card-copy:hover { color: var(--brand); }
.card-copy.copied { color: #12b76a; opacity: 1; transform: translateY(0); }

/* 大字卡（深度专题） */
.bigcard {
  position: relative; display: flex; flex-direction: column; justify-content: flex-end;
  min-height: clamp(220px, 24vw, 345px); padding: var(--pad-card);
  border-radius: var(--r-card-lg); overflow: hidden; text-decoration: none;
  color: #fff; background: #001233; isolation: isolate;
}
.bigcard::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(72% 88% at 18% 18%, rgba(0, 106, 255, .92), rgba(0, 73, 161, 0) 70%),
              radial-gradient(90% 80% at 82% 88%, rgba(0, 0, 0, .9), rgba(0, 0, 0, 0) 72%);
}
.bigcard h3 { color: #fff; font-size: clamp(22px, 2.17vw, 31.25px); font-weight: 600; line-height: 1.3; }
.bigcard p { color: rgba(255, 255, 255, .74); font-size: clamp(14px, 1.22vw, 17.5px); line-height: 1.65; margin: 12px 0 0; }
.bigcard .go {
  margin-top: 20px; font-size: 14px; font-weight: 600; color: #fff;
  display: flex; align-items: center; gap: 6px; transition: gap .22s;
}
.bigcard:hover { text-decoration: none; }
.bigcard:hover .go { gap: 12px; }
.bigcard .badge {
  position: absolute; top: var(--pad-card); left: var(--pad-card);
  font-size: 12px; padding: 4px 11px; border-radius: 999px;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .26);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}

/* 内容地图 */
.map-list { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.map-item {
  display: flex; align-items: flex-start; gap: 16px; padding: 22px 24px;
  background: var(--card-bg); border: 1.563px solid transparent;
  border-radius: 20px; text-decoration: none; color: inherit; transition: .2s;
}
.map-item:hover { background: var(--card-bg-hover); border-color: var(--line-2); text-decoration: none; }
.map-item:hover .map-nm { color: var(--brand); }
.map-ic {
  width: 42px; height: 42px; flex: 0 0 auto; border-radius: 13px;
  background: #fff; display: grid; place-items: center; font-size: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
}
.map-nm { font-size: 17px; font-weight: 600; color: var(--ink); transition: color .2s; display: block; }
.map-ds { font-size: 14px; color: var(--muted); line-height: 1.6; margin-top: 3px; display: block; }
.map-ct { font-size: 12.5px; color: var(--muted-3); margin-top: 7px; display: block; }

/* 底部 CTA */
.cta-sec { text-align: center; padding: clamp(64px, 9vw, 130px) 0; background: #fff; }
.cta-sec h2 { font-size: var(--f-sec); font-weight: 600; line-height: 1.2; color: var(--ink); letter-spacing: -.02em; }
.cta-sec p { color: var(--body); opacity: .7; font-size: var(--f-sec-p); line-height: 1.5; margin: 16px auto 0; max-width: 30em; }
.cta-sec .hero-cta { margin-top: 34px; }

/* ── 9. 栏目页头部 ───────────────────────────────────────────────────── */
.sec-head-bar {
  background: linear-gradient(180deg, #eef5ff 0%, #fff 100%);
  padding: clamp(40px, 5.5vw, 80px) 0 clamp(28px, 3.4vw, 50px);
  border-bottom: 1px solid var(--line);
}
.crumb { font-size: 13.5px; color: var(--muted); margin-bottom: 16px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--brand); }
.crumb span { color: var(--muted-3); margin: 0 7px; }
.sec-title { display: flex; align-items: center; gap: 16px; }
.sec-title .ic {
  width: 52px; height: 52px; border-radius: 16px; background: var(--brand-grad);
  display: grid; place-items: center; font-size: 25px;
  box-shadow: 0 6px 18px rgba(0, 87, 255, .25);
}
.sec-title h1 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 600; letter-spacing: -.02em; line-height: 1.2; }
.sec-title + p { font-size: clamp(15px, 1.52vw, 19px); color: var(--muted); margin: 14px 0 0; max-width: 46em; line-height: 1.7; }

/* 文章列表 */
.doc-list { display: grid; gap: 14px; margin-top: 8px; }
.doc-item {
  display: flex; gap: 18px; align-items: flex-start; padding: 22px 26px;
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  text-decoration: none; color: inherit; transition: .2s;
}
.doc-item:hover { border-color: rgba(0, 87, 255, .28); box-shadow: 0 6px 22px rgba(0, 0, 0, .06); text-decoration: none; transform: translateY(-1px); }
.doc-item:hover .doc-t { color: var(--brand); }
.doc-n {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 11px;
  background: var(--card-bg); color: var(--muted); display: grid; place-items: center;
  font-size: 14px; font-weight: 700;
}
.doc-item.main-doc .doc-n { background: rgba(0, 87, 255, .1); color: var(--brand); }
.doc-t { font-size: 17.5px; font-weight: 600; color: var(--ink); transition: color .2s; line-height: 1.45; display: block; }
.doc-d { font-size: 14.5px; color: var(--muted); line-height: 1.65; margin-top: 5px; display: block; }
.doc-m { display: flex; gap: 12px; margin-top: 9px; font-size: 12.5px; color: var(--muted-3); flex-wrap: wrap; align-items: center; }
.doc-m .pill { padding: 2px 9px; border-radius: 999px; background: rgba(0, 0, 0, .045); font-size: 11.5px; color: var(--muted); }
.doc-m .pill.alt { background: rgba(245, 158, 11, .12); color: #b45309; }

/* ── 10. 文章页三栏布局 ──────────────────────────────────────────────── */
.doc-wrap {
  max-width: 1440px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 246px minmax(0, var(--w-prose)) 220px;
  gap: 40px; align-items: start;
}
.side {
  position: sticky; top: calc(var(--header-h) + 24px);
  max-height: calc(100vh - var(--header-h) - 48px);
  overflow-y: auto; padding: 28px 0 40px;
}
.side::-webkit-scrollbar { width: 5px; }
.side::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, .12); border-radius: 3px; }
.side-h { font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-3); margin: 0 0 12px; padding-left: 12px; }
.tree { list-style: none; margin: 0 0 22px; padding: 0; }
.tree a {
  display: block; padding: 6px 12px; border-radius: 9px; font-size: 13.5px;
  color: var(--muted); line-height: 1.5; transition: .15s;
}
.tree a:hover { background: var(--card-bg); color: var(--ink); text-decoration: none; }
.tree a.on { background: rgba(0, 87, 255, .09); color: var(--brand); font-weight: 600; }
.tree .tree-sec { font-size: 13px; font-weight: 700; color: var(--ink-2); padding: 8px 12px 4px; }

.toc-h { font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-3); margin: 0 0 12px; padding-left: 14px; }
.toc { list-style: none; margin: 0; padding: 0; border-left: 1.5px solid var(--line); }
.toc a {
  display: block; padding: 5px 0 5px 14px; margin-left: -1.5px;
  border-left: 1.5px solid transparent; font-size: 13px; line-height: 1.5;
  color: var(--muted); transition: .15s;
}
.toc a:hover { color: var(--ink); text-decoration: none; }
.toc a.on { border-left-color: var(--brand); color: var(--brand); font-weight: 600; }
.toc .lv3 a { padding-left: 26px; font-size: 12.5px; }

/* ── 11. 正文排版 ────────────────────────────────────────────────────── */
.article { padding: 34px 0 80px; min-width: 0; }
.article-head { margin-bottom: 34px; }
.article-head h1 {
  font-size: clamp(28px, 3.05vw, 44px); font-weight: 600; line-height: 1.25;
  letter-spacing: -.02em; color: var(--ink); text-wrap: balance;
}
.article-head .lede { font-size: 17px; color: var(--muted); line-height: 1.75; margin: 14px 0 0; }
.article-meta {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: center;
  margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted-3);
}
.article-meta .pill { padding: 3px 10px; border-radius: 999px; background: rgba(0, 0, 0, .045); font-size: 12px; color: var(--muted); }
.article-meta .pill.alt { background: rgba(245, 158, 11, .13); color: #b45309; }

.alt-note {
  display: flex; gap: 12px; align-items: flex-start; margin: 0 0 28px;
  padding: 15px 18px; border-radius: 14px;
  background: rgba(245, 158, 11, .08); border: 1px solid rgba(245, 158, 11, .22);
  font-size: 14px; color: #92400e; line-height: 1.65;
}
.alt-note b { color: #78350f; }
.alt-note a { color: #b45309; font-weight: 600; }

.prose { font-size: 17px; line-height: 1.85; color: #1a1a1a; }
.prose > *:first-child { margin-top: 0; }
.prose h2 {
  font-size: 26px; font-weight: 600; margin: 52px 0 18px; padding-top: 6px;
  letter-spacing: -.01em; scroll-margin-top: calc(var(--header-h) + 20px);
}
.prose h3 { font-size: 20.5px; font-weight: 600; margin: 38px 0 14px; scroll-margin-top: calc(var(--header-h) + 20px); }
.prose h4 { font-size: 17.5px; font-weight: 600; margin: 30px 0 12px; }
.prose h2 .anchor, .prose h3 .anchor {
  opacity: 0; margin-left: 8px; color: var(--muted-3); font-weight: 400; font-size: .8em;
  transition: opacity .18s; text-decoration: none;
}
.prose h2:hover .anchor, .prose h3:hover .anchor { opacity: 1; }
.prose p { margin: 0 0 18px; }
.prose ul, .prose ol { margin: 0 0 20px; padding-left: 24px; }
.prose li { margin: 6px 0; }
.prose li > ul, .prose li > ol { margin: 6px 0; }
.prose strong { font-weight: 600; color: #000; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.prose blockquote {
  margin: 0 0 20px; padding: 14px 20px; border-left: 3px solid var(--brand);
  background: rgba(0, 87, 255, .04); border-radius: 0 12px 12px 0; color: var(--muted);
}
.prose blockquote p:last-child { margin-bottom: 0; }

/* 表格：官网风格 —— 无纵向边框、浅灰表头、圆角 */
.prose table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  margin: 0 0 24px; font-size: 15px; overflow: hidden;
  border-radius: 14px; border: 1px solid var(--line);
}
.prose th {
  background: rgba(0, 0, 0, .035); font-weight: 600; color: var(--ink);
  text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.prose td { padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose tbody tr:last-child td { border-bottom: 0; }
.prose tbody tr:hover { background: rgba(0, 0, 0, .015); }
.table-scroll { overflow-x: auto; margin-bottom: 24px; border-radius: 14px; }
.table-scroll table { margin-bottom: 0; }

/* 图片 */
.prose figure { margin: 0 0 26px; }
.prose figure img {
  border-radius: 14px; border: 1px solid var(--line); width: 100%; cursor: zoom-in;
  transition: opacity .2s;
}
.prose figure img:hover { opacity: .92; }
.prose figcaption { font-size: 13.5px; color: var(--muted-2); text-align: center; margin-top: 10px; }
.prose > p > img { border-radius: 14px; border: 1px solid var(--line); cursor: zoom-in; }

/* 任务清单 */
.prose ul.contains-task-list { list-style: none; padding-left: 4px; }
.prose li.task-list-item { list-style: none; display: flex; gap: 10px; align-items: flex-start; }
.prose li.task-list-item input { margin-top: 7px; accent-color: var(--brand); flex: 0 0 auto; }

/* 代码块 + 复制按钮 */
.codebox { position: relative; margin: 0 0 22px; }
.codebox pre {
  margin: 0; padding: 18px 20px; background: var(--code-bg);
  border: 1px solid var(--line); border-radius: 14px; overflow-x: auto;
  font-size: 13.5px; line-height: 1.7; font-family: var(--mono); color: var(--ink-2);
}
.prose code {
  font-family: var(--mono); font-size: .875em; padding: 2px 6px;
  background: var(--code-bg); border-radius: 5px; color: #c7254e;
}
.prose pre code { padding: 0; background: none; color: inherit; font-size: inherit; }
.code-copy {
  position: absolute; right: 10px; top: 10px;
  width: 30px; height: 30px; border-radius: 50%; border: 0; background: #fff;
  color: var(--muted-3); box-shadow: var(--shadow-btn); cursor: pointer;
  display: flex; align-items: center; justify-content: center; padding: 0;
  opacity: 0; transition: opacity .2s, color .18s;
}
.codebox:hover .code-copy { opacity: 1; }
.code-copy:hover { color: var(--brand); }
.code-copy.copied { color: #12b76a; opacity: 1; }

/* VitePress 容器 → 官网风格提示卡片 */
.vp {
  margin: 0 0 22px; padding: 16px 20px; border-radius: 14px;
  border: 1px solid var(--line); background: rgba(0, 0, 0, .02); font-size: 15.5px;
}
.vp > *:last-child { margin-bottom: 0; }
.vp-title { font-weight: 600; margin: 0 0 8px !important; display: flex; align-items: center; gap: 8px; }
.vp-title::before { font-size: 15px; }
.vp-tip { background: rgba(0, 87, 255, .05); border-color: rgba(0, 87, 255, .18); }
.vp-tip .vp-title { color: var(--brand); }
.vp-tip .vp-title::before { content: "💡"; }
.vp-info { background: rgba(0, 0, 0, .025); }
.vp-info .vp-title { color: var(--ink-2); }
.vp-info .vp-title::before { content: "ℹ️"; }
.vp-warning, .vp-danger { background: rgba(245, 158, 11, .07); border-color: rgba(245, 158, 11, .25); }
.vp-warning .vp-title, .vp-danger .vp-title { color: #b45309; }
.vp-warning .vp-title::before, .vp-danger .vp-title::before { content: "⚠️"; }
.vp-details { background: rgba(0, 0, 0, .02); }
.vp-details .vp-title { color: var(--muted); }
.vp-details .vp-title::before { content: "▸"; }

/* 上下篇导航 */
.pager { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; margin-top: 56px; padding-top: 34px; border-top: 1px solid var(--line); }
.pager > a {
  display: block; padding: 18px 22px; border: 1px solid var(--line);
  border-radius: 16px; text-decoration: none; color: inherit; transition: .2s;
}
.pager > a:hover { border-color: rgba(0, 87, 255, .3); background: rgba(0, 87, 255, .03); text-decoration: none; }
.pager .lb { font-size: 12px; color: var(--muted-3); display: block; margin-bottom: 5px; }
.pager .tt { font-size: 15.5px; font-weight: 600; color: var(--ink); line-height: 1.45; display: block; }
.pager > a:hover .tt { color: var(--brand); }
.pager .nx { text-align: right; }
.pager .empty { opacity: 0; pointer-events: none; }

/* 文末署名 */
.credit {
  margin-top: 40px; padding: 18px 22px; border-radius: 16px;
  background: #fafbfc; border: 1px solid var(--line);
  font-size: 13.5px; color: var(--muted); line-height: 1.75;
}
.credit b { color: var(--ink-2); }
.credit a { color: var(--brand); }
.credit code { font-family: var(--mono); font-size: 12.5px; background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }

/* ── 12. 搜索弹窗 ────────────────────────────────────────────────────── */
.kbd-mask {
  position: fixed; inset: 0; z-index: 300; display: none;
  background: rgba(0, 0, 0, .38); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.kbd-mask.on { display: block; }
.kbd-box {
  position: fixed; z-index: 301; left: 50%; top: 12vh; transform: translateX(-50%);
  width: min(660px, calc(100vw - 32px)); max-height: 74vh; display: none;
  flex-direction: column; background: #fff; border-radius: 18px;
  box-shadow: var(--shadow-pop); overflow: hidden;
}
.kbd-box.on { display: flex; }
.kbd-in { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.kbd-in input {
  flex: 1; border: 0; outline: 0; font-family: var(--font); font-size: 16.5px; color: var(--ink);
  background: transparent;
}
.kbd-in input::placeholder { color: var(--muted-3); }
.kbd-res { overflow-y: auto; padding: 8px; }
.kbd-res a { display: block; padding: 11px 14px; border-radius: 12px; text-decoration: none; color: inherit; }
.kbd-res a:hover, .kbd-res a.sel { background: var(--card-bg); text-decoration: none; }
.kbd-res .t { font-size: 15.5px; font-weight: 600; color: var(--ink); }
.kbd-res .p { font-size: 12.5px; color: var(--muted-3); margin-top: 2px; }
.kbd-res .d { font-size: 13px; color: var(--muted); margin-top: 3px; line-height: 1.5;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.kbd-res .empty { padding: 40px 20px; text-align: center; color: var(--muted-3); font-size: 14px; }
.kbd-ft { padding: 10px 20px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted-3); display: flex; gap: 16px; }
kbd.k { font-family: var(--font); padding: 1px 5px; border: 1px solid var(--line); border-radius: 4px; background: #fafbfc; }

/* 图片灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 400; display: none;
  background: rgba(0, 0, 0, .9); cursor: zoom-out; padding: 40px;
}
.lightbox.on { display: grid; place-items: center; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 8px; object-fit: contain; }

/* ── 13. Footer（结构沿用疯狂的豇豆主站，配色 = 深底青绿）──────────── */
.foot { background: var(--cz-dark); border-top: 1px solid var(--cz-line); padding: 56px 0 32px; color: var(--cz-fg); }
.foot-in { max-width: var(--w-content); margin: 0 auto; padding: 0 24px; }
.foot-top { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--cz-line); }
.foot-brand .brand { margin-bottom: 14px; display: flex; }
.foot-brand p { font-size: 13.5px; color: var(--cz-fg-dim); line-height: 1.75; margin: 0; max-width: 34em; }
.foot-col h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 14px; letter-spacing: .02em; }
.foot-col a { display: block; font-size: 13.5px; color: var(--cz-fg-dim); padding: 4px 0; }
.foot-col a:hover { color: var(--cz-teal); text-decoration: none; }
.foot-bot {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding-top: 26px; font-size: 12.5px; color: rgba(255, 255, 255, .34); line-height: 1.8;
}
.foot-bot a { color: var(--cz-fg-dim); }
.foot-bot a:hover { color: var(--cz-teal); }
.foot-cc {
  margin-top: 14px; padding: 13px 16px; border-radius: 12px;
  background: rgba(255, 255, 255, .04); border: 1px solid var(--cz-line-2);
  font-size: 12.5px; color: var(--cz-fg-dim); line-height: 1.8;
}
.foot-cc b { color: var(--cz-fg-strong); }
.foot-cc a { color: var(--cz-teal); }

/* 回到顶部 */
.totop {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line);
  background: #fff; color: var(--muted); cursor: pointer; display: grid; place-items: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .1); opacity: 0; pointer-events: none; transition: .25s;
  padding: 0;
}
.totop.on { opacity: 1; pointer-events: auto; }
.totop:hover { color: var(--brand); border-color: rgba(0, 87, 255, .3); }

/* ── 14. 响应式 ──────────────────────────────────────────────────────── */
.toc-fab { display: none; }

@media (max-width: 1240px) {
  .doc-wrap { grid-template-columns: 220px minmax(0, 1fr); gap: 32px; }
  .doc-wrap .side.right { display: none; }
}
@media (max-width: 1080px) {
  .grid, .grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 900px) {
  .nav { display: none; }
  .burger { display: block; }
  /* 首页/栏目页无左侧目录树，burger 改为展开 header 下的深底导航面板 */
  .nav.open {
    display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--cz-dark); border-bottom: 1px solid var(--cz-line);
    padding: 10px 18px 16px;
    box-shadow: 0 20px 44px rgba(0, 0, 0, .32);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav.open .nav-link { padding: 11px 12px; font-size: 15px; }
  .doc-wrap { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .doc-wrap .side.left {
    display: none; position: fixed; left: 0; top: var(--header-h); bottom: 0; z-index: 150;
    width: 280px; background: #fff; border-right: 1px solid var(--line);
    padding: 20px 14px; max-height: none; box-shadow: var(--shadow-pop);
  }
  .doc-wrap .side.left.open { display: block; }
  .toc-fab {
    display: flex !important; align-items: center; gap: 8px; margin-bottom: 22px;
    padding: 9px 14px; border: 1px solid var(--line); border-radius: 11px;
    background: #fff; font-size: 13.5px; color: var(--ink-2); cursor: pointer;
  }
  .map-list { grid-template-columns: 1fr; }
  .pager { grid-template-columns: 1fr; }
  .pager .nx { text-align: left; }
}
@media (max-width: 680px) {
  .grid, .grid.two, .grid.four { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr; gap: 26px; }
  .hero-cta .btn { width: 100%; }
  .sec-head { text-align: left; }
  .sec-head p { margin-left: 0; }
  .card { min-height: 0; }
  .wrap, .foot-in, .doc-wrap, .hdr-in { padding-left: 18px; padding-right: 18px; }
  .article { padding-top: 24px; }
  .prose { font-size: 16.5px; }
  .kbd-box { top: 6vh; }
}

@media print {
  .hdr, .side, .totop, .pager, .kbd-box, .kbd-mask, .notice-bar { display: none !important; }
  .doc-wrap { grid-template-columns: 1fr; }
}

/* ── GEO 问答区块（生成式引擎优化）──────────── */
.geo-qa{margin:38px 0 8px;padding:22px 24px;border:1px solid rgba(0,87,255,.18);
  border-left:4px solid #0057ff;border-radius:14px;
  background:linear-gradient(180deg,rgba(0,87,255,.045),rgba(0,87,255,.012));}
.geo-qa-h{font-size:14px;font-weight:700;color:#0057ff;letter-spacing:.02em;margin-bottom:14px;}
.geo-qa-list{display:flex;flex-direction:column;gap:14px;}
.qa{border-top:1px dashed rgba(0,0,0,.08);padding-top:12px;}
.qa:first-child{border-top:0;padding-top:0;}
.q{font-size:15.5px;font-weight:600;color:#151823;margin:0 0 6px;line-height:1.5;}
.a{font-size:14.5px;line-height:1.7;color:#3a3f4b;margin:0;}
.a p{margin:0;}
.a a{color:#0057ff;text-decoration:none;border-bottom:1px solid rgba(0,87,255,.3);}
.a a:hover{opacity:.78;}

/* ══════════════════════════════════════════════════════════════════
   首页 · 第一屏以下（紧凑 + 动效 + 高密度）
   ══════════════════════════════════════════════════════════════════ */

/* 顶部阅读进度条 */
.hp-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:300;pointer-events:none;}
.hp-progress i{display:block;height:100%;width:0;
  background:linear-gradient(90deg,#0057ff,#4af0c6);transition:width .08s linear;
  box-shadow:0 0 8px rgba(0,87,255,.45);}

/* ── 统计条（上浮压在 hero 下沿）────────────────────────────────── */
.hp-stats-sec{background:transparent;padding:0;margin-top:-34px;position:relative;z-index:5;}
.hp-stats{display:grid;grid-template-columns:repeat(5,1fr);background:#fff;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:0 16px 40px rgba(20,24,35,.10);}
.hp-stat{padding:16px 12px;text-align:center;border-right:1px solid var(--line-2);position:relative;}
.hp-stat:last-child{border-right:0;}
.hp-stat::after{content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;
  background:var(--brand);transform:translateX(-50%);transition:width .3s;}
.hp-stat:hover::after{width:58%;}
.hp-num{display:block;font-size:25px;font-weight:700;color:var(--ink);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.15;transition:color .2s;}
.hp-stat:hover .hp-num{color:var(--brand);}
.hp-stat-nm{display:block;font-size:12.5px;color:var(--ink);opacity:.82;margin-top:2px;}
.hp-stat-ds{display:block;font-size:11px;color:var(--muted-2);margin-top:3px;}

/* ── 通用 section（收紧间距 + 缩小字号）────────────────────────── */
.sec.hp{padding:clamp(36px,3.9vw,58px) 0;}
.sec.hp.hp-alt{background:#fafbfc;}
.hp-head{text-align:center;margin-bottom:clamp(20px,2.4vw,32px);}
.hp-head h2{font-size:clamp(19.5px,2vw,27px);font-weight:600;color:var(--ink);margin:0;
  letter-spacing:-.015em;line-height:1.3;}
.hp-head p{font-size:13.5px;color:var(--body);opacity:.64;margin:7px auto 0;
  max-width:42em;line-height:1.65;}
.hp-kicker{display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--brand);margin-bottom:7px;}

/* 滚动进场（.js 前缀：脚本失效时内容照常显示） */
.js .reveal{opacity:0;transform:translateY(16px);
  transition:opacity .55s cubic-bezier(.22,.61,.36,1),transform .55s cubic-bezier(.22,.61,.36,1);}
.js .reveal.in{opacity:1;transform:none;}

/* ── 价值主张（鼠标跟随光晕）───────────────────────────────────── */
.hp-vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;}
.hp-vcard{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:19px 17px 21px;
  transition:transform .22s,box-shadow .22s,border-color .22s;}
.hp-vcard:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(20,24,35,.09);
  border-color:rgba(0,87,255,.24);}
.hp-vcard::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .28s;
  background:radial-gradient(240px circle at var(--mx,50%) var(--my,0%),rgba(0,87,255,.10),transparent 66%);}
.hp-vcard:hover::before{opacity:1;}
.hp-v-ic{font-size:21px;display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;margin-bottom:11px;
  background:linear-gradient(140deg,#eef4ff,#dde8ff);transition:transform .26s;}
.hp-vcard:hover .hp-v-ic{transform:translateY(-2px) rotate(-7deg) scale(1.07);}
.hp-vcard h3{font-size:15px;font-weight:600;color:var(--ink);margin:0 0 5px;}
.hp-vcard p{font-size:12.8px;line-height:1.72;color:var(--body);opacity:.7;margin:0;}
.hp-v-line{position:absolute;left:0;bottom:0;height:2px;width:0;
  background:linear-gradient(90deg,#0057ff,#4af0c6);transition:width .38s;}
.hp-vcard:hover .hp-v-line{width:100%;}

/* ── 通用内容小卡 ──────────────────────────────────────────────── */
.hp-c{position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:13px;
  padding:14px 14px 13px;text-decoration:none;
  transition:transform .2s,box-shadow .2s,border-color .2s;}
.hp-c:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(20,24,35,.08);
  border-color:rgba(0,87,255,.22);text-decoration:none;}
.hp-c::after{content:"";position:absolute;top:0;left:-60%;width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.8),transparent);
  transform:skewX(-18deg);transition:left .55s;}
.hp-c:hover::after{left:125%;}
.hp-c-n{font-family:var(--mono);font-size:11px;font-weight:700;color:var(--brand);
  opacity:.72;letter-spacing:.05em;}
.hp-c-t{font-size:14px;font-weight:600;color:var(--ink);line-height:1.45;
  margin:6px 0 6px;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;transition:color .2s;}
.hp-c:hover .hp-c-t{color:var(--brand);}
.hp-c-d{font-size:12.3px;line-height:1.65;color:var(--body);opacity:.58;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.hp-c-meta{display:flex;align-items:center;gap:7px;margin-top:9px;}
.hp-c-time{font-size:11px;color:var(--muted-2);}
.hp-c-tag{font-size:10.5px;padding:2px 7px;border-radius:6px;
  background:var(--card-bg);color:var(--muted);}
.hp-c-arw{display:block;margin-top:8px;font-size:11.5px;font-weight:600;color:var(--brand);
  opacity:0;transform:translateX(-4px);transition:.2s;}
.hp-c-arw i{font-style:normal;}
.hp-c:hover .hp-c-arw{opacity:1;transform:translateX(0);}

/* Bento 精选 */
.hp-bento{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;}
.hp-c-big{grid-column:span 2;grid-row:span 2;padding:20px 20px 17px;
  background:linear-gradient(150deg,#f3f7ff,#e9f0ff 55%,#fff);}
.hp-c-big .hp-c-t{font-size:18px;margin-top:8px;-webkit-line-clamp:3;}
.hp-c-big .hp-c-d{font-size:13px;-webkit-line-clamp:5;opacity:.66;}
.hp-c-big .hp-c-arw{opacity:1;transform:none;}

/* 新手 8 课 */
.hp-learn{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}

/* ── 案例分类切换 ──────────────────────────────────────────────── */
.hp-tabs{position:relative;display:flex;flex-wrap:wrap;gap:6px;justify-content:center;
  margin-bottom:17px;padding-bottom:8px;}
.hp-tab{position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border:1px solid var(--line);background:#fff;border-radius:999px;
  font-size:12.8px;font-weight:500;color:var(--body);opacity:.7;cursor:pointer;
  font-family:inherit;transition:.2s;}
.hp-tab:hover{opacity:1;transform:translateY(-1px);border-color:var(--line-2);}
.hp-tab.on{color:var(--brand);opacity:1;border-color:rgba(0,87,255,.3);
  background:rgba(0,87,255,.05);}
.hp-tab-ic{font-size:12.5px;}
.hp-tab-n{font-family:var(--mono);font-size:10.5px;padding:1px 5px;border-radius:5px;
  background:var(--card-bg);color:var(--muted-2);}
.hp-tab.on .hp-tab-n{background:rgba(0,87,255,.12);color:var(--brand);}
.hp-tab-bar{position:absolute;bottom:0;left:0;width:0;height:2px;border-radius:2px;
  background:var(--brand);
  transition:left .34s cubic-bezier(.22,.61,.36,1),width .34s cubic-bezier(.22,.61,.36,1);}

.hp-panel{display:none;grid-template-columns:repeat(4,1fr);gap:12px;}
.hp-panel.on{display:grid;}
.hp-case{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:13px;padding:13px 14px;text-decoration:none;opacity:0;
  transform:translateY(8px);transition:transform .2s,box-shadow .2s,border-color .2s;}
.hp-panel.on .hp-case{animation:hpFadeIn .4s cubic-bezier(.22,.61,.36,1) forwards;}
.hp-panel.on .hp-case:nth-child(2){animation-delay:.05s;}
.hp-panel.on .hp-case:nth-child(3){animation-delay:.1s;}
.hp-panel.on .hp-case:nth-child(4){animation-delay:.15s;}
@keyframes hpFadeIn{to{opacity:1;transform:none;}}
.hp-case:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(20,24,35,.08);
  border-color:rgba(0,87,255,.22);text-decoration:none;}
.hp-case-n{font-family:var(--mono);font-size:10.5px;font-weight:700;color:var(--brand);opacity:.7;}
.hp-case-t{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.45;margin:5px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s;}
.hp-case:hover .hp-case-t{color:var(--brand);}
.hp-case-d{font-size:12.2px;line-height:1.62;color:var(--body);opacity:.58;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hp-case-m{display:flex;justify-content:space-between;align-items:center;margin-top:9px;
  font-size:11px;color:var(--muted-2);}
.hp-case-go{color:var(--brand);font-weight:600;opacity:0;transform:translateX(-3px);transition:.2s;}
.hp-case:hover .hp-case-go{opacity:1;transform:none;}
.hp-more{text-align:center;margin-top:20px;}

/* ── 深度专题 ──────────────────────────────────────────────────── */
.hp-deep-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.hp-deep{position:relative;overflow:hidden;display:block;border-radius:16px;
  padding:22px 21px;text-decoration:none;color:#fff;
  transition:transform .24s,box-shadow .24s;}
.hp-deep:hover{transform:translateY(-4px);text-decoration:none;color:#fff;}
.hp-deep-blue{background:linear-gradient(140deg,#0b3fbf,#0057ff 45%,#2f7bff);
  box-shadow:0 14px 34px rgba(0,87,255,.22);}
.hp-deep-dark{background:linear-gradient(140deg,#191a23,#22242f 50%,#0f1017);
  box-shadow:0 14px 34px rgba(15,16,23,.22);}
.hp-deep::after{content:"";position:absolute;top:-40%;left:-30%;width:38%;height:180%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.17),transparent);
  transform:skewX(-18deg);transition:left .75s;}
.hp-deep:hover::after{left:135%;}
.hp-deep-badge{display:inline-block;font-size:11.5px;font-weight:600;padding:4px 10px;
  border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.2);
  color:#fff;}
.hp-deep h3{font-size:17.5px;font-weight:600;margin:11px 0 7px;letter-spacing:-.01em;color:#fff;}
.hp-deep p{font-size:12.8px;line-height:1.72;color:rgba(255,255,255,.78);margin:0 0 12px;}
.hp-chips{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0 0 13px;}
.hp-chips li{font-size:11.5px;padding:3.5px 9px;border-radius:7px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.9);transition:.22s;}
.hp-deep:hover .hp-chips li{background:rgba(255,255,255,.2);transform:translateY(-1px);}
.hp-deep-go{display:inline-flex;align-items:center;gap:6px;font-size:12.8px;font-weight:600;color:#fff;}
.hp-deep-go i{font-style:normal;transition:transform .2s;}
.hp-deep:hover .hp-deep-go i{transform:translateX(4px);}

/* ── 关键词滚动带 ──────────────────────────────────────────────── */
.hp-marquee{padding:13px 0;overflow:hidden;background:#fff;
  border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.hp-mq-row{display:flex;gap:8px;width:max-content;margin-bottom:8px;
  animation:hpMq 42s linear infinite;}
.hp-mq-rev{animation-direction:reverse;margin-bottom:0;}
.hp-marquee:hover .hp-mq-row{animation-play-state:paused;}
@keyframes hpMq{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.hp-tag{font-size:12px;padding:5px 12px;border-radius:999px;background:var(--card-bg);
  color:var(--muted);white-space:nowrap;border:1px solid transparent;transition:.2s;}
.hp-tag:hover{color:var(--brand);border-color:rgba(0,87,255,.25);
  background:rgba(0,87,255,.05);transform:translateY(-2px);}

/* ── 学习路径时间轴 ────────────────────────────────────────────── */
.hp-tl{position:relative;max-width:840px;margin:0 auto;padding-left:26px;}
.hp-tl-line{position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:var(--line);border-radius:2px;overflow:hidden;}
.hp-tl-line i{position:absolute;top:0;left:0;width:100%;height:0;
  background:linear-gradient(180deg,#0057ff,#4af0c6);transition:height .35s linear;}
.hp-tl-item{position:relative;display:grid;grid-template-columns:1fr auto;align-items:center;
  gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:11px 14px;margin-bottom:9px;text-decoration:none;
  transition:transform .2s,border-color .2s,box-shadow .2s;}
.hp-tl-item:hover{transform:translateX(4px);border-color:rgba(0,87,255,.28);
  box-shadow:0 10px 22px rgba(0,87,255,.08);text-decoration:none;}
.hp-tl-dot{position:absolute;left:-25px;top:50%;transform:translateY(-50%);
  width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;transition:.28s;}
.hp-tl-dot i{width:6px;height:6px;border-radius:50%;background:var(--line);transition:.28s;}
.hp-tl-item.on .hp-tl-dot{border-color:var(--brand);box-shadow:0 0 0 4px rgba(0,87,255,.12);}
.hp-tl-item.on .hp-tl-dot i{background:var(--brand);}
.hp-tl-body{min-width:0;}
.hp-tl-top{display:flex;align-items:baseline;gap:8px;}
.hp-tl-nm{font-size:13.8px;font-weight:600;color:var(--ink);letter-spacing:-.01em;}
.hp-tl-ct{font-size:11px;color:var(--muted-2);}
.hp-tl-ds{display:block;font-size:12.3px;color:var(--body);opacity:.58;line-height:1.55;margin-top:2px;}
.hp-tl-arw{font-size:13px;font-weight:600;color:var(--brand);opacity:0;
  transform:translateX(-4px);transition:.2s;}
.hp-tl-item:hover .hp-tl-arw{opacity:1;transform:none;}

/* ── 响应式 ────────────────────────────────────────────────────── */
@media (max-width:1080px){
  .hp-stats{grid-template-columns:repeat(3,1fr);}
  .hp-bento{grid-template-columns:repeat(2,1fr);}
  .hp-c-big{grid-column:span 2;grid-row:auto;}
  .hp-learn{grid-template-columns:repeat(2,1fr);}
  .hp-panel.on{grid-template-columns:repeat(2,1fr);}
  .hp-deep-grid{grid-template-columns:1fr;}
}
@media (max-width:680px){
  .hp-stats-sec{margin-top:-20px;}
  .hp-stats{grid-template-columns:repeat(2,1fr);}
  .hp-stat{border-bottom:1px solid var(--line-2);}
  .hp-vgrid{grid-template-columns:1fr;}
  .hp-bento{grid-template-columns:1fr;}
  .hp-c-big{grid-column:auto;}
  .hp-learn{grid-template-columns:1fr;}
  .hp-panel.on{grid-template-columns:1fr;}
  .hp-tl-item{grid-template-columns:1fr;}
  .hp-tl-arw{display:none;}
  .hp-num{font-size:21px;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;}
  .hp-mq-row{animation:none;}
  .hp-c::after,.hp-deep::after{display:none;}
}

/* ==========================================================================
   科技感视觉层 v2（Tech Editorial）
   明暗节奏 · 网格纹理 + 弥散光 · 渐变描边 + 光标跟随 · 微动效
   只做视觉增强，不改动任何 HTML 结构
   ========================================================================== */
:root{
  --edge: rgba(15, 23, 42, .09);
  --edge-2: rgba(15, 23, 42, .06);
  --grid-line: rgba(15, 23, 42, .055);
  --grad-tech: linear-gradient(115deg, #0062ff 0%, #4af0c6 52%, #7c5cff 100%);
  --grad-tech-2: linear-gradient(180deg, #0062ff 0%, #4af0c6 100%);
  --tech-dark: #0b1020;
  --tech-dark-2: #131a2e;
  --tech-dark-3: #0a0e1a;
  --glow-b: rgba(0, 106, 255, .16);
  --glow-t: rgba(74, 240, 198, .14);
  --sh-1: 0 1px 2px rgba(16, 24, 40, .04);
  --sh-2: 0 10px 26px -18px rgba(16, 24, 40, .35);
  --sh-3: 0 18px 44px -22px rgba(16, 24, 40, .5);
}

/* ── A. 全站氛围：极淡网格 + 顶部弥散光 ────────────────────────── */
body { position: relative; }
body::before,
body::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 1180px; z-index: -1; pointer-events: none;
}
body::before {
  background:
    radial-gradient(56% 46% at 10% -8%, rgba(0, 106, 255, .13), transparent 68%),
    radial-gradient(48% 40% at 92% 0%, rgba(74, 240, 198, .12), transparent 72%),
    radial-gradient(44% 38% at 54% 34%, rgba(124, 92, 255, .08), transparent 74%);
}
body::after {
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 46%, transparent 96%);
  mask-image: linear-gradient(180deg, #000 0%, #000 46%, transparent 96%);
}
/* 区块背景半透明，让氛围层透出来 */
.sec { background: transparent; }
.sec.alt { background: linear-gradient(180deg, rgba(250, 251, 252, .72), rgba(255, 255, 255, .72)); }
.value-sec { background: transparent; }

/* 栏目页：给内容区一个极淡的蓝灰底，让白卡能跳出来 */
.sec-page {
  display: block;
  background:
    radial-gradient(80% 40% at 50% 0%, rgba(0, 106, 255, .05), transparent 60%),
    linear-gradient(180deg, #eef3fb 0%, #fff 400px);
}
.sec-page .doc-item {
  background: #fff;
  border-color: rgba(0, 87, 255, .18);
  box-shadow: 0 2px 6px rgba(0, 0, 0, .035);
}
.sec-page .doc-item:hover {
  border-color: rgba(0, 87, 255, .42);
  box-shadow: 0 12px 32px -8px rgba(0, 87, 255, .16);
  transform: translateY(-2px);
}

/* ── B. 通用：渐变描边 + 光标跟随光晕 ──────────────────────────── */
.card, .map-item, .doc-item, .hp-vcard, .hp-case {
  position: relative;
  background: #fff;
  border: 1px solid var(--edge);
  box-shadow: var(--sh-1), var(--sh-2);
}
.value-card, .path-step { position: relative; }
.card::before, .map-item::before, .doc-item::before, .hp-case::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%),
              rgba(0, 106, 255, .10), rgba(74, 240, 198, .06) 42%, transparent 64%);
}
.card:hover::before, .map-item:hover::before, .doc-item:hover::before, .hp-case:hover::before { opacity: 1; }
.hp-vcard::before {
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%),
              rgba(0, 106, 255, .12), rgba(74, 240, 198, .07) 42%, transparent 64%);
}
.card::after, .map-item::after, .doc-item::after, .hp-vcard::after, .hp-case::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad-tech);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .26s; pointer-events: none;
}
.card:hover::after, .map-item:hover::after, .doc-item:hover::after,
.hp-vcard:hover::after, .hp-case:hover::after { opacity: .9; }

.card { transition: transform .24s cubic-bezier(.22,.61,.36,1), box-shadow .24s, border-color .24s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-1), var(--sh-3); }
.card-num { font-family: var(--mono); letter-spacing: .14em; color: var(--brand); opacity: .72; }
.card-meta .tag, .doc-m .pill, .article-meta .pill {
  background: rgba(15, 23, 42, .045);
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .05);
}

/* 大卡 / 深度专题：暗场高光 */
.bigcard:hover { box-shadow: 0 26px 60px -24px rgba(0, 0, 0, .55); }
.hp-deep { box-shadow: 0 16px 40px -20px rgba(11, 16, 32, .6); }

/* ── C. 页眉：滚动收束 + 导航流光 ──────────────────────────────── */
.hdr { transition: background .28s, box-shadow .28s, border-color .28s; }
.hdr.stuck {
  background: rgba(12, 13, 19, .93);
  box-shadow: 0 12px 34px -22px rgba(0, 0, 0, .85);
  border-bottom-color: rgba(74, 240, 198, .22);
}
.nav-link { position: relative; }
.nav-link::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 1px;
  height: 1.5px; border-radius: 2px; background: var(--grad-tech);
  transform: scaleX(0); transform-origin: left center; transition: transform .24s;
}
.nav-link:hover::after, .nav-link.on::after { transform: scaleX(1); }
.nav-link.on {
  color: #fff;
  background: linear-gradient(90deg, rgba(74, 240, 198, .16), rgba(0, 87, 255, .10));
  box-shadow: inset 0 0 0 1px rgba(74, 240, 198, .22);
}
.brand-mk { box-shadow: 0 3px 12px rgba(74, 240, 198, .32), inset 0 0 0 1px rgba(255, 255, 255, .28); }
.search-btn:hover { box-shadow: 0 0 0 3px rgba(74, 240, 198, .1); }

/* ── D. 按钮：渐变 + 高光扫过 ──────────────────────────────────── */
.btn { position: relative; overflow: hidden; }
.btn::after {
  content: ""; position: absolute; top: 0; left: -75%; width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .38), transparent);
  transform: skewX(-18deg); transition: left .6s cubic-bezier(.22, .61, .36, 1);
  pointer-events: none;
}
.btn:hover::after { left: 135%; }
.btn:hover { transform: translateY(-2px); }
.btn-brand {
  background: linear-gradient(100deg, #0a68ff 0%, #0057ff 46%, #2f7bff 100%);
  box-shadow: 0 10px 26px -10px rgba(0, 87, 255, .6), inset 0 0 0 1px rgba(255, 255, 255, .14);
}
.btn-brand:hover { background: linear-gradient(100deg, #1a74ff 0%, #0060ff 46%, #3d86ff 100%); }
.btn-dark { box-shadow: 0 10px 26px -12px rgba(0, 0, 0, .6), inset 0 0 0 1px rgba(255, 255, 255, .1); }

/* ── E. 栏目页：深色科技头 ─────────────────────────────────────── */
.sec-head-bar {
  position: relative; overflow: hidden; isolation: isolate;
  background: linear-gradient(155deg, var(--tech-dark) 0%, var(--tech-dark-2) 48%, var(--tech-dark-3) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, .09);
}
.sec-head-bar::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(86% 108% at 50% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(86% 108% at 50% 0%, #000 0%, transparent 78%);
}
.sec-head-bar::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(50% 72% at 16% 8%, rgba(0, 106, 255, .58), transparent 70%),
    radial-gradient(44% 62% at 90% 92%, rgba(74, 240, 198, .30), transparent 72%),
    radial-gradient(40% 50% at 62% 40%, rgba(124, 92, 255, .24), transparent 74%);
  filter: blur(28px);
}
.sec-head-bar .wrap { position: relative; z-index: 1; }
.sec-head-bar .crumb { color: rgba(255, 255, 255, .5); }
.sec-head-bar .crumb a { color: rgba(255, 255, 255, .62); }
.sec-head-bar .crumb a:hover { color: var(--cz-teal); }
.sec-head-bar .crumb span { color: rgba(255, 255, 255, .3); }
.sec-head-bar .sec-title h1 {
  color: #fff;
  background: linear-gradient(96deg, #ffffff 12%, #cfd8ff 58%, #8ff3dc 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sec-head-bar .sec-title .ic {
  background: linear-gradient(135deg, #4af0c6, #0062ff);
  box-shadow: 0 8px 22px rgba(74, 240, 198, .3), inset 0 0 0 1px rgba(255, 255, 255, .3);
}
.sec-head-bar .sec-title + p { color: rgba(255, 255, 255, .68); }

/* 文章列表 */
.doc-item { transition: transform .24s cubic-bezier(.22,.61,.36,1), box-shadow .24s; }
.doc-item:hover { transform: translateY(-2px); box-shadow: var(--sh-1), var(--sh-3); }
.doc-n {
  background: linear-gradient(135deg, rgba(0, 87, 255, .11), rgba(74, 240, 198, .1));
  color: var(--brand); font-family: var(--mono);
  box-shadow: inset 0 0 0 1px rgba(0, 87, 255, .15);
}
.doc-item.main-doc .doc-n {
  background: linear-gradient(135deg, #0062ff, #2f7bff); color: #fff;
  box-shadow: 0 6px 16px -6px rgba(0, 87, 255, .7);
}

/* ── F. 文章页：排版科技化 ─────────────────────────────────────── */
.article-head h1 {
  background: linear-gradient(96deg, #0d1220 8%, #1b3fa8 52%, #0f9c86 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.article-meta {
  border-top: 1px solid var(--edge-2);
  padding-top: 16px;
}
.article-meta .pill.alt { background: rgba(245, 158, 11, .14); }

.prose h2 {
  position: relative; padding-left: 20px; margin-top: 54px;
}
.prose h2::before {
  content: ""; position: absolute; left: 0; top: .22em; bottom: .22em;
  width: 4px; border-radius: 3px; background: var(--grad-tech-2);
  opacity: .92;
}
.prose h3 { position: relative; padding-left: 16px; }
.prose h3::before {
  content: ""; position: absolute; left: 0; top: .42em; bottom: .38em;
  width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(135deg, #0062ff, #4af0c6);
  opacity: .85;
}
.prose h2 .anchor, .prose h3 .anchor {
  color: rgba(0, 87, 255, .5); font-family: var(--mono);
}
.prose h2:hover .anchor, .prose h3:hover .anchor { color: var(--brand); }
.prose > ul > li::marker { color: rgba(0, 87, 255, .55); }
.prose > ol > li::marker { color: var(--brand); font-weight: 700; }
.prose hr {
  border: 0; height: 1px; margin: 44px 0;
  background: linear-gradient(90deg, transparent, rgba(0, 87, 255, .28), rgba(74, 240, 198, .28), transparent);
}
.prose strong { color: #05070d; }

/* 行内代码 */
.prose code {
  background: linear-gradient(180deg, rgba(0, 106, 255, .09), rgba(0, 106, 255, .045));
  color: #0b4fd8; border: 1px solid rgba(0, 87, 255, .14);
  padding: 1.5px 6px; border-radius: 6px;
}

/* 代码块：深色终端风 */
.codebox pre {
  background: #0d1017; color: #d7dbe4;
  border: 1px solid rgba(255, 255, 255, .08);
  padding: 40px 20px 18px;
  box-shadow: 0 16px 40px -22px rgba(0, 0, 0, .8);
}
.codebox::before {
  content: ""; position: absolute; left: 17px; top: 15px;
  width: 9px; height: 9px; border-radius: 50%;
  background: #ff5f57;
  box-shadow: 15px 0 0 #febc2e, 30px 0 0 #28c840;
  opacity: .92; z-index: 1; pointer-events: none;
}
.code-copy {
  background: rgba(255, 255, 255, .09); color: #98a2b3;
  border: 1px solid rgba(255, 255, 255, .16); box-shadow: none;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0;
}
.codebox:hover .code-copy { opacity: 1; }
.code-copy:hover { color: #4af0c6; border-color: rgba(74, 240, 198, .4); }
.code-copy.copied { color: #28c840; }

/* 表格 */
.prose table {
  border: 1px solid var(--edge); box-shadow: var(--sh-1), var(--sh-2);
}
.prose th {
  background: linear-gradient(180deg, rgba(0, 106, 255, .075), rgba(0, 106, 255, .025));
  border-bottom: 1px solid rgba(0, 87, 255, .18);
  font-size: 14.5px; letter-spacing: .01em;
}
.prose td { border-bottom: 1px solid var(--edge-2); }
.prose tbody tr:hover { background: linear-gradient(90deg, rgba(0, 106, 255, .05), rgba(74, 240, 198, .035)); }
.table-scroll { box-shadow: var(--sh-1), var(--sh-2); border-radius: 14px; }

/* 引用 */
.prose blockquote {
  position: relative; overflow: hidden;
  border-left: 0; padding: 16px 20px 16px 48px;
  background: linear-gradient(135deg, rgba(0, 106, 255, .065), rgba(74, 240, 198, .05));
  border: 1px solid rgba(0, 87, 255, .15);
  color: #2f3540; border-radius: 14px;
}
.prose blockquote::before {
  content: "\201C"; position: absolute; left: 16px; top: 2px;
  font-size: 44px; line-height: 1; font-family: Georgia, "Times New Roman", serif;
  color: rgba(0, 87, 255, .3);
}

/* 提示容器 */
.vp {
  position: relative; overflow: hidden;
  border-radius: 14px; box-shadow: var(--sh-1);
}
.vp::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
}
.vp-tip { background: linear-gradient(100deg, rgba(0, 106, 255, .07), rgba(0, 106, 255, .02)); border-color: rgba(0, 87, 255, .18); }
.vp-tip::before { background: linear-gradient(180deg, #0062ff, #4aa8ff); }
.vp-info { background: linear-gradient(100deg, rgba(15, 23, 42, .045), rgba(15, 23, 42, .012)); }
.vp-info::before { background: linear-gradient(180deg, #64748b, #94a3b8); }
.vp-warning, .vp-danger { background: linear-gradient(100deg, rgba(245, 158, 11, .1), rgba(245, 158, 11, .025)); border-color: rgba(245, 158, 11, .28); }
.vp-warning::before, .vp-danger::before { background: linear-gradient(180deg, #f59e0b, #f97316); }
.vp-details { background: rgba(15, 23, 42, .025); }
.vp-details::before { background: linear-gradient(180deg, #94a3b8, #cbd5e1); }

/* 图片 */
.prose figure img, .prose > p > img { box-shadow: var(--sh-1), var(--sh-2); }

/* 上下篇 / 署名 */
.pager > a { box-shadow: var(--sh-1); }
.pager > a:hover { box-shadow: var(--sh-1), var(--sh-2); }
.pager > a:hover .lb { color: var(--brand); }
.credit {
  background: linear-gradient(135deg, rgba(0, 106, 255, .05), rgba(74, 240, 198, .04));
  border: 1px solid rgba(0, 87, 255, .14); box-shadow: var(--sh-1);
}
.credit code { background: rgba(15, 23, 42, .05); }

/* 侧栏：轨道 + 发光 */
.side .side-h, .side .toc-h { color: var(--muted-2); letter-spacing: .12em; }
.tree a.on {
  background: linear-gradient(90deg, rgba(0, 106, 255, .13), rgba(74, 240, 198, .06));
  box-shadow: inset 0 0 0 1px rgba(0, 87, 255, .14);
  color: var(--brand);
}
.toc { position: relative; border-left: 0; padding-left: 2px; }
.toc::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; border-radius: 2px; background: rgba(15, 23, 42, .09);
}
.toc::after {
  content: ""; position: absolute; left: 0; top: 0;
  width: 2px; height: var(--toc-p, 0%); border-radius: 2px;
  background: var(--grad-tech-2); transition: height .28s;
}
.toc a { border-left: 0; margin-left: 0; padding-left: 12px; }
.toc a.on { color: var(--brand); }
.toc .lv3 a { padding-left: 24px; }

/* GEO 问答：渐变边 + 标题流光 */
.geo-qa {
  position: relative; overflow: hidden;
  border: 1px solid rgba(0, 87, 255, .18);
  border-left: 0; border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 106, 255, .055), rgba(74, 240, 198, .035));
  box-shadow: var(--sh-1);
}
.geo-qa::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--grad-tech-2);
}

/* ── G. 底部 CTA：深色科技场 ───────────────────────────────────── */
.cta-sec {
  position: relative; overflow: hidden; isolation: isolate;
  background: linear-gradient(150deg, var(--tech-dark) 0%, var(--tech-dark-2) 52%, var(--tech-dark-3) 100%);
  color: #fff; margin-top: 20px;
}
.cta-sec::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(80% 100% at 50% 100%, #000 0%, transparent 76%);
  mask-image: radial-gradient(80% 100% at 50% 100%, #000 0%, transparent 76%);
}
.cta-sec::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(46% 66% at 22% 92%, rgba(74, 240, 198, .28), transparent 70%),
    radial-gradient(52% 70% at 82% 10%, rgba(0, 106, 255, .46), transparent 72%);
  filter: blur(26px);
}
.cta-sec .wrap { position: relative; z-index: 1; }
.cta-sec h2 {
  background: linear-gradient(96deg, #ffffff 14%, #cfd8ff 56%, #8ff3dc 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cta-sec p { color: rgba(255, 255, 255, .7); }

/* ── H. 页脚：网格 + 顶部霓虹线 ────────────────────────────────── */
.foot {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #14151d 0%, #0c0d13 100%);
  border-top: 1px solid rgba(74, 240, 198, .18);
}
.foot::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(90% 120% at 50% 100%, #000 0%, transparent 72%);
  mask-image: radial-gradient(90% 120% at 50% 100%, #000 0%, transparent 72%);
}
.foot::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(74, 240, 198, .5), rgba(0, 106, 255, .5), transparent);
  pointer-events: none;
}
.foot-in { position: relative; z-index: 1; }
.foot-col a { transition: color .18s, transform .18s; }
.foot-col a:hover { color: var(--cz-teal); transform: translateX(3px); }

/* ── I. 悬浮控件：玻璃 + 渐变 ──────────────────────────────────── */
.totop {
  background: rgba(255, 255, 255, .82); color: var(--ink-2);
  border: 1px solid var(--edge);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: 0 10px 28px -12px rgba(16, 24, 40, .5);
}
.totop:hover {
  color: #fff; border-color: transparent;
  background: linear-gradient(135deg, #0062ff, #4af0c6);
  box-shadow: 0 14px 32px -12px rgba(0, 87, 255, .7);
}
.kbd-box {
  border: 1px solid rgba(15, 23, 42, .1);
  box-shadow: 0 30px 80px -24px rgba(16, 24, 40, .55);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
}
.kbd-in { border-bottom: 1px solid var(--edge-2); }
.kbd-res a.sel {
  background: linear-gradient(90deg, rgba(0, 106, 255, .1), rgba(74, 240, 198, .06));
  box-shadow: inset 2px 0 0 var(--brand);
}
.kbd-ft { border-top: 1px solid var(--edge-2); }

/* ── J. 首页：分区标题 / 数字 / 时间轴 微增强 ──────────────────── */
.hero {
  background-color: #001233;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 52px 52px;
}
.hero h1 {
  background: linear-gradient(178deg, #ffffff 30%, #b9cdff 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .eyebrow {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .26), 0 6px 22px -10px rgba(74, 240, 198, .7);
}
.hero-stats b { font-family: var(--mono); letter-spacing: -.02em; }
.hero-mock { box-shadow: 0 30px 70px rgba(0, 0, 0, .5), inset 0 0 0 1px rgba(255, 255, 255, .14); }

/* 浅色科技场 / 深色科技场 */
.sec.tech-light {
  background: linear-gradient(180deg, rgba(235, 244, 255, .82), rgba(245, 249, 255, .72));
}
.sec.tech-dark {
  position: relative; overflow: hidden; isolation: isolate;
  background: linear-gradient(160deg, #0b1020 0%, #121929 48%, #080b16 100%);
  border-top: 1px solid rgba(255, 255, 255, .08);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.sec.tech-dark::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(80% 100% at 50% 100%, #000 0%, transparent 72%);
  mask-image: radial-gradient(80% 100% at 50% 100%, #000 0%, transparent 72%);
}
.sec.tech-dark::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(46% 70% at 12% 18%, rgba(0, 106, 255, .48), transparent 70%),
    radial-gradient(44% 64% at 90% 84%, rgba(74, 240, 198, .26), transparent 72%);
  filter: blur(30px);
}
.sec.tech-dark .hp-head h2,
.sec.tech-dark .hp-head p { color: #fff; }
.sec.tech-dark .hp-head p { opacity: .72; }

/* 价值主张图标 */
.hp-v-ic {
  width: 42px; height: 42px; border-radius: 11px; margin-bottom: 14px;
  display: inline-flex; align-items: center; justify-content: center; font-size: 22px;
  background: linear-gradient(135deg, rgba(0, 106, 255, .12), rgba(74, 240, 198, .14));
  box-shadow: 0 6px 16px -8px rgba(0, 87, 255, .25), inset 0 0 0 1px rgba(0, 87, 255, .12);
}
.hp-vgrid .hp-vcard:nth-child(1) .hp-v-ic { background: linear-gradient(135deg, rgba(0, 106, 255, .14), rgba(74, 240, 198, .16)); box-shadow: 0 6px 16px -8px rgba(0, 87, 255, .28), inset 0 0 0 1px rgba(0, 87, 255, .12); }
.hp-vgrid .hp-vcard:nth-child(2) .hp-v-ic { background: linear-gradient(135deg, rgba(124, 92, 255, .14), rgba(244, 114, 182, .14)); box-shadow: 0 6px 16px -8px rgba(124, 92, 255, .28), inset 0 0 0 1px rgba(124, 92, 255, .12); }
.hp-vgrid .hp-vcard:nth-child(3) .hp-v-ic { background: linear-gradient(135deg, rgba(249, 115, 22, .14), rgba(250, 204, 21, .16)); box-shadow: 0 6px 16px -8px rgba(249, 115, 22, .28), inset 0 0 0 1px rgba(249, 115, 22, .12); }

/* 内容小卡左侧彩条 */
.hp-c { position: relative; overflow: hidden; }
.hp-c::before {
  content: ""; position: absolute; left: 0; top: 14px; bottom: 14px;
  width: 3px; border-radius: 0 2px 2px 0;
  background: linear-gradient(180deg, var(--c1, #0062ff), var(--c2, #4af0c6));
  opacity: .9; z-index: 1; pointer-events: none;
}
.hp-bento .hp-c:nth-child(4n+1) { --c1: #0062ff; --c2: #4af0c6; }
.hp-bento .hp-c:nth-child(4n+2) { --c1: #7c5cff; --c2: #f472b6; }
.hp-bento .hp-c:nth-child(4n+3) { --c1: #f97316; --c2: #facc15; }
.hp-bento .hp-c:nth-child(4n+4) { --c1: #10b981; --c2: #3b82f6; }
.hp-learn .hp-c:nth-child(4n+1) { --c1: #0062ff; --c2: #4af0c6; }
.hp-learn .hp-c:nth-child(4n+2) { --c1: #7c5cff; --c2: #f472b6; }
.hp-learn .hp-c:nth-child(4n+3) { --c1: #f97316; --c2: #facc15; }
.hp-learn .hp-c:nth-child(4n+4) { --c1: #10b981; --c2: #3b82f6; }

.hp-kicker {
  background: linear-gradient(90deg, rgba(0, 106, 255, .1), rgba(74, 240, 198, .1));
  color: var(--brand); border-radius: 999px; padding: 4px 12px;
  box-shadow: inset 0 0 0 1px rgba(0, 87, 255, .16);
}
.hp-num {
  background: linear-gradient(96deg, #0d1220 10%, #0057ff 62%, #0f9c86 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hp-stat:hover .hp-num { -webkit-text-fill-color: var(--brand); }
.hp-c-n, .hp-case-n, .path-no { font-family: var(--mono); letter-spacing: .1em; }
.hp-tab.on {
  background: linear-gradient(90deg, rgba(0, 106, 255, .1), rgba(74, 240, 198, .07));
  box-shadow: inset 0 0 0 1px rgba(0, 87, 255, .2);
}
.hp-tag:hover {
  background: linear-gradient(90deg, rgba(0, 106, 255, .08), rgba(74, 240, 198, .06));
}
.hp-tl-item.on .hp-tl-dot {
  border-color: var(--brand);
  background: linear-gradient(135deg, #0062ff, #4af0c6);
  box-shadow: 0 0 0 4px rgba(0, 87, 255, .12), 0 4px 12px -4px rgba(0, 87, 255, .8);
}
.hp-tl-item.on .hp-tl-dot i { background: #fff; }

/* ── K. 全站进场动画（JS 注入 .reveal）────────────────────────── */
/* 默认隐藏；JS 加载后给 html 加 .js，由 IntersectionObserver 触发 .in。
   无 JS 环境或 observer 异常时，兜底 1.2s 后强制显示（app.js 里的
   reveal fallback），避免内容不可见。 */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .5s ease, transform .55s cubic-bezier(.22, .61, .36, 1); }
html:not(.js) .reveal { opacity: 1; transform: none; }

/* 无精确指针设备（触屏）不做光标跟随 */
@media (hover: none) {
  .card::before, .map-item::before, .hp-case::before { display: none; }
}

@media (max-width: 900px) {
  .prose h2 { padding-left: 16px; }
  .prose h2::before { width: 3px; }
  .sec-head-bar { padding-top: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  .btn::after { display: none; }
  body::before, body::after { display: none; }
}

/* ==========================================================================
   L. 案例分类导航 + 分页器
   ========================================================================== */
.cat-nav {
  display: flex; flex-wrap: wrap; gap: 10px;
  padding-bottom: 22px; margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.cat-pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 999px;
  background: #fff; border: 1px solid rgba(0, 87, 255, .14);
  color: var(--ink); font-size: 14.5px; font-weight: 500; text-decoration: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .03);
  transition: border-color .2s, color .2s, background .2s,
              box-shadow .2s, transform .2s;
}
.cat-pill:hover {
  border-color: rgba(0, 87, 255, .4); color: var(--brand);
  box-shadow: 0 8px 20px -8px rgba(0, 87, 255, .28);
  transform: translateY(-1px); text-decoration: none;
}
.cat-pill.on {
  background: linear-gradient(120deg, var(--brand), var(--brand-glow));
  border-color: transparent; color: #fff;
  box-shadow: 0 8px 20px -8px rgba(0, 87, 255, .55);
}
.cat-pill.on:hover { color: #fff; }
.cat-pill-ic { font-size: 15px; line-height: 1; }
.cat-pill-n {
  min-width: 20px; padding: 1px 6px; border-radius: 999px;
  background: rgba(0, 87, 255, .1); color: var(--brand);
  font-size: 11.5px; font-weight: 700; text-align: center;
  font-family: var(--mono);
}
.cat-pill.on .cat-pill-n { background: rgba(255, 255, 255, .24); color: #fff; }

/* 当前分类说明行 */
.cat-meta {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 16px;
}
.cat-meta-t { font-size: 16px; font-weight: 600; color: var(--ink); }
.cat-meta-c { font-size: 13px; color: var(--muted); font-family: var(--mono); }

/* 卡片上的分类小标 */
.doc-m .pill.cat {
  background: rgba(74, 240, 198, .14); color: #0f9b7d;
}

/* ── 分页器 ─────────────────────────────────────────────────── */
.sec-pager {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; flex-wrap: wrap; margin-top: 34px;
}
.pg-btn, .pg-n {
  display: inline-flex; align-items: center; justify-content: center;
  box-sizing: border-box;
  min-width: 38px; height: 38px; padding: 0 14px;
  border-radius: 12px; font-size: 14px; font-weight: 500;
  text-decoration: none; transition: .2s;
}
.pg-btn {
  background: #fff; border: 1px solid rgba(0, 87, 255, .16);
  color: var(--brand); box-shadow: 0 1px 3px rgba(0, 0, 0, .03);
}
.pg-btn:hover {
  border-color: rgba(0, 87, 255, .42);
  box-shadow: 0 8px 20px -8px rgba(0, 87, 255, .3);
  transform: translateY(-1px); text-decoration: none;
}
.pg-btn.off {
  background: transparent; border-color: var(--line);
  color: var(--muted-3); box-shadow: none; cursor: default;
}
.pg-btn.off:hover { transform: none; border-color: var(--line); }
.pg-nums { display: flex; align-items: center; gap: 6px; }
.pg-n {
  width: 38px; padding: 0; font-family: var(--mono);
  background: #fff; border: 1px solid var(--line); color: var(--muted);
}
.pg-n:hover {
  border-color: rgba(0, 87, 255, .38); color: var(--brand);
  text-decoration: none; transform: translateY(-1px);
}
.pg-n.on {
  background: linear-gradient(120deg, var(--brand), var(--brand-glow));
  border-color: transparent; color: #fff; font-weight: 700;
  box-shadow: 0 8px 20px -8px rgba(0, 87, 255, .55);
}
.pg-n.on:hover { transform: none; }

@media (max-width: 640px) {
  .cat-nav { gap: 8px; }
  .cat-pill { padding: 8px 13px; font-size: 13.5px; }
  .pg-btn, .pg-n { min-width: 34px; height: 34px; padding: 0 12px; font-size: 13px; }
}