/* ==========================================================
   可信金科官网 · 全站样式 v2(高级企业感,自包含无外部依赖)
   蓝 = 征信/数据    青绿 = AI 智能体
   ========================================================== */

:root {
  --navy: #0a1c36;
  --navy-2: #0f2748;
  --navy-3: #16335e;
  --blue: #1e5eff;
  --blue-deep: #1247c8;
  --blue-soft: #ecf1ff;
  --teal: #2e6bff;
  --teal-deep: #1443b8;
  --teal-soft: #e9f0ff;
  --gold: #d9a441;
  --ink: #17202f;
  --gray: #59637a;
  --gray-2: #8b94a7;
  --line: #e5e9f2;
  --bg: #f6f8fc;
  --white: #fff;
  --r-lg: 18px;
  --r-md: 12px;
  --shadow-sm: 0 1px 2px rgba(10, 28, 54, .04), 0 2px 10px rgba(10, 28, 54, .06);
  --shadow-md: 0 2px 6px rgba(10, 28, 54, .05), 0 12px 34px rgba(18, 51, 120, .12);
  --shadow-lg: 0 6px 16px rgba(10, 28, 54, .08), 0 28px 64px rgba(18, 51, 120, .18);
  --maxw: 1180px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f3f6fd 0%, #fbfcff 560px, #f6f9fe 100%);
  line-height: 1.75; font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 正文科技底(浅色网格 + 柔光) ---------- */
.page-main { position: relative; }
.page-bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.page-bg::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(18, 71, 200, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 71, 200, .06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.25) 40%, transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.25) 40%, transparent 78%);
}
.page-bg::after {
  content: ""; position: absolute; top: 620px; right: -260px; width: 860px; height: 860px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(46, 107, 255, .07), transparent 70%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

::selection { background: rgba(30, 94, 255, .18); }
h1, h2, h3, h4 { text-wrap: balance; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #eef2fa; }
::-webkit-scrollbar-thumb { background: #c3d2ef; border-radius: 6px; border: 2px solid #eef2fa; }
::-webkit-scrollbar-thumb:hover { background: #9fb8e8; }

/* ---------- 滚动渐显(仅 JS 可用时启用,无 JS 内容直接可见) ---------- */
html.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 233, 242, .8);
}
.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo-mark { width: auto; height: 40px; flex: none; }
.brand-text { font-weight: 700; font-size: 20px; letter-spacing: 3px; color: var(--ink); line-height: 1.15; }
.brand-text small { display: block; font-size: 9.5px; font-weight: 600; color: var(--gray-2); letter-spacing: 4.2px; line-height: 1.4; }
.nav-links { display: flex; gap: 30px; align-items: center; font-size: 15px; font-weight: 500; }
.nav-links > a { color: var(--ink); padding: 6px 2px; position: relative; }
.nav-links > a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--teal)); transition: right .3s var(--ease);
}
.nav-links > a:hover::after, .nav-links > a.active::after { right: 0; }
.nav-links > a.active { color: var(--blue-deep); }
.nav-cta {
  background: var(--navy); color: #fff !important; padding: 9px 22px !important;
  border-radius: 10px; font-weight: 600; transition: .25s var(--ease);
  box-shadow: 0 4px 14px rgba(10, 28, 54, .22);
}
.nav-cta:hover { background: var(--blue); transform: translateY(-1px); }
.nav-cta::after { display: none !important; }
.nav-toggle { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--ink); }

/* ---------- Hero(首页) ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1000px 560px at 85% -15%, rgba(72, 140, 255, .46) 0%, transparent 62%),
    radial-gradient(820px 540px at -6% 108%, rgba(90, 150, 255, .30) 0%, transparent 58%),
    radial-gradient(640px 400px at 58% 118%, rgba(46, 108, 255, .28) 0%, transparent 62%),
    linear-gradient(152deg, #0c2557 0%, #113483 55%, #1443a4 112%);
  padding: 104px 0 96px;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(1100px 640px at 68% 12%, #000 0%, transparent 74%);
  -webkit-mask-image: radial-gradient(1100px 640px at 68% 12%, #000 0%, transparent 74%);
}
.hero::after {
  content: ""; position: absolute; pointer-events: none;
  top: -180px; right: -120px; width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(130, 175, 255, .14), transparent 70%);
  filter: blur(4px);
}
/* hero 右侧科技轨道图 */
.hero-art {
  position: absolute; right: 2%; top: 50%; transform: translateY(-50%);
  width: 480px; height: 480px; pointer-events: none; z-index: 0; opacity: .95;
}
.hero-art .spin { animation: heroSpin 90s linear infinite; transform-origin: 280px 280px; }
.hero-art .spin-r { animation: heroSpinR 140s linear infinite; transform-origin: 280px 280px; }
@keyframes heroSpin { to { transform: rotate(360deg); } }
@keyframes heroSpinR { to { transform: rotate(-360deg); } }
@media (prefers-reduced-motion: reduce) { .hero-art .spin, .hero-art .spin-r { animation: none; } }
.hero .container { position: relative; z-index: 1; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; letter-spacing: 3px; font-weight: 600;
  color: #dbe7ff; border: 1px solid rgba(191, 214, 255, .38);
  background: rgba(191, 214, 255, .10);
  padding: 6px 18px; border-radius: 999px; margin-bottom: 26px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 10px var(--teal); }
.hero h1 { font-size: 50px; line-height: 1.26; font-weight: 700; letter-spacing: .5px; max-width: 1040px; white-space: nowrap; }
.hero h1 em { font-style: normal; background: linear-gradient(92deg, #c3d8ff, #ffffff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { margin-top: 22px; font-size: 19.5px; line-height: 1.7; color: #d6e1f2; max-width: 720px; }
.hero-actions { margin-top: 32px; display: flex; gap: 15px; flex-wrap: wrap; }

/* hero 业务页签(分段控件式:白色胶囊选中态) */
.hero-tabs {
  margin-top: 38px; display: inline-flex; gap: 8px; padding: 7px;
  background: rgba(4, 18, 54, .52); border: 1px solid rgba(255,255,255,.38);
  border-radius: 16px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(3, 12, 36, .35), inset 0 1px 0 rgba(255,255,255,.12);
}
.hero-tab {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 34px; border: 1px solid transparent; border-radius: 11px; background: transparent;
  color: #d7e3fb; font-size: 17.5px; font-weight: 700; cursor: pointer;
  font-family: inherit; letter-spacing: .5px;
  transition: color .22s, background .22s, box-shadow .22s, transform .22s;
}
.hero-tab .tab-ico { font-size: 19px; line-height: 1; filter: grayscale(1) brightness(1.7); transition: filter .22s; }
.hero-tab:hover { color: #fff; border-color: rgba(255,255,255,.22); }
.hero-tab.active {
  background: #fff; color: #1247c8; transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(4, 16, 44, .42);
}
.hero-tab.active .tab-ico { filter: none; }
.hero-panel .sub { margin-top: 26px; min-height: 84px; }
html.js .hero-panel { display: none; }
html.js .hero-panel.active { display: block; animation: panelIn .35s ease; }
@keyframes panelIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.hero-note { margin-top: 40px; font-size: 14.5px; color: #a3b7d9; letter-spacing: .3px; max-width: 720px; }

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 30px; border-radius: 11px; font-size: 15px; font-weight: 600;
  transition: .25s var(--ease); border: 1px solid transparent; cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, #3d74ff 0%, #1e5eff 55%, #1247c8 130%); color: #fff;
  box-shadow: 0 8px 24px rgba(30, 94, 255, .38), inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(30, 94, 255, .48), inset 0 1px 0 rgba(255,255,255,.22); }
.btn-teal {
  background: linear-gradient(135deg, #4a80ff 0%, #2e6bff 55%, #1c53e0 130%); color: #fff;
  box-shadow: 0 8px 24px rgba(46, 107, 255, .38), inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-teal:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(46, 107, 255, .48), inset 0 1px 0 rgba(255,255,255,.22); }
.btn-ghost { border-color: rgba(255,255,255,.38); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-outline { border-color: var(--blue); color: var(--blue-deep); }
.btn-outline:hover { background: var(--blue-soft); }

/* ---------- 数字背书 ---------- */
.stats-strip {
  color: #fff; padding: 0; position: relative; z-index: 2;
  background: linear-gradient(180deg, #0e2a61 0%, #0a1f4a 100%);
  border-top: 1px solid rgba(130, 178, 255, .28);
  box-shadow: inset 0 18px 40px -28px rgba(130, 175, 255, .35);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 30px 12px; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 26%; bottom: 26%; width: 1px; background: rgba(255,255,255,.1); }
.stat b {
  font-size: 38px; font-weight: 800; display: block; letter-spacing: 1px; font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff 30%, #a8c4ff 115%); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat b span { font-size: 16px; font-weight: 600; margin-left: 3px; color: #8fa5c4; }
.stat small { color: #8fa5c4; font-size: 13px; letter-spacing: 1px; }

/* ---------- 通用 section ---------- */
.section { padding: 88px 0; }
.section.alt { background: linear-gradient(180deg, #edf2fc 0%, #f5f8fe 100%); }
.section.tint { background: linear-gradient(180deg, #e9f0fe 0%, #f7fafe 100%); }

/* 特性卡(为什么选择我们):常亮顶部渐变条 + 渐变图标底 */
.feature-cards .card::before { opacity: 1; }
.feature-cards .card .icon { background: linear-gradient(135deg, #e9f0ff, #d4e3ff); }
.feature-cards .card:hover .icon { background: linear-gradient(135deg, #2e6bff, #5a8dff); }

/* 服务客户色带 */
.section.clients { background: linear-gradient(135deg, #0d2a63 0%, #1443a4 62%, #2e6bff 135%); position: relative; overflow: hidden; }
.section.clients::before {
  content: ""; position: absolute; inset: 0; 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;
}
.section.clients .container { position: relative; }
.section.clients .section-head h2 { color: #fff; }
.section.clients .section-head p { color: #c6d6f2; }
.section.clients .tag { background: rgba(255,255,255,.14); color: #dbe7ff; }
.section.clients .logo-wall span {
  background: #fff; border: none; color: #132f6b; font-weight: 700; font-size: 14.5px;
  padding: 13px 22px; border-radius: 12px; box-shadow: 0 8px 22px rgba(4, 16, 44, .28);
  display: inline-flex; align-items: center; gap: 10px; transition: transform .25s var(--ease);
}
.section.clients .logo-wall span::before { content: ""; width: 9px; height: 9px; border-radius: 3px; background: #2e6bff; flex: none; }
.section.clients .logo-wall span:nth-child(3n)::before { background: #00b4d8; }
.section.clients .logo-wall span:nth-child(4n)::before { background: #7c3aed; }
.section.clients .logo-wall span:nth-child(5n)::before { background: #f59e0b; }
.section.clients .logo-wall span:hover { transform: translateY(-3px); color: #132f6b; border: none; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 54px; }
.tag {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: 2.5px;
  color: var(--blue-deep); background: var(--blue-soft); padding: 6px 18px;
  border-radius: 999px; margin-bottom: 16px;
}
.tag.teal { color: var(--teal-deep); background: var(--teal-soft); }
.section-head h2 { font-size: 40px; font-weight: 700; line-height: 1.32; letter-spacing: .5px; }
.section-head h2::after {
  content: ""; display: block; width: 44px; height: 4px; border-radius: 4px;
  margin: 18px auto 0; background: linear-gradient(90deg, var(--blue), #00b4d8);
}
.section.clients .section-head h2::after { background: linear-gradient(90deg, #8fb5ff, #dbe7ff); }
.section-head p { margin-top: 14px; color: var(--gray); font-size: 17.5px; line-height: 1.7; }

/* ---------- 双板块入口 ---------- */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.pillar {
  border-radius: var(--r-lg); padding: 46px 42px; color: #fff;
  display: flex; flex-direction: column; min-height: 400px;
  position: relative; overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.pillar::after {
  content: ""; position: absolute; right: -70px; top: -70px; width: 240px; height: 240px;
  border-radius: 50%; background: rgba(255,255,255,.06); transition: transform .5s var(--ease);
}
.pillar:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pillar:hover::after { transform: scale(1.25); }
.pillar::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  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: 42px 42px;
  mask-image: radial-gradient(420px 320px at 85% 10%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(420px 320px at 85% 10%, #000 0%, transparent 78%);
}
.pillar.credit { background: linear-gradient(152deg, #0a1f4d 0%, #1247c8 140%); }
.pillar.ai { background: linear-gradient(152deg, #123e99 0%, #2e6bff 130%); }
.pillar-tag { font-size: 12px; letter-spacing: 3px; opacity: .85; margin-bottom: 16px; font-weight: 600; }
.pillar h3 { font-size: 28px; font-weight: 700; margin-bottom: 13px; letter-spacing: .5px; }
.pillar > p { color: rgba(255,255,255,.85); font-size: 16px; line-height: 1.7; }
.pillar ul { margin: 20px 0 28px; display: grid; gap: 9px; }
.pillar li { font-size: 15.5px; color: rgba(255,255,255,.93); padding-left: 22px; position: relative; }
.pillar li::before { content: "✓"; position: absolute; left: 0; opacity: .85; font-weight: 700; }
.pillar-link { margin-top: auto; font-weight: 700; font-size: 15px; display: inline-flex; align-items: center; gap: 7px; }
.pillar-link::after { content: "→"; transition: transform .25s var(--ease); }
.pillar:hover .pillar-link::after { transform: translateX(5px); }

/* ---------- 卡片 ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--white); border: none; border-radius: var(--r-lg);
  padding: 32px 28px; position: relative; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  box-shadow: 0 1px 3px rgba(10, 28, 54, .06);
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  opacity: 0; transition: opacity .3s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.card:hover::before { opacity: 1; }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center; font-size: 23px;
  background: var(--blue-soft); transition: transform .3s var(--ease);
}
.card:hover .icon { transform: translateY(-2px) scale(1.06); }
.card.teal-icon .icon { background: var(--teal-soft); }
.card h4 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; }
.card h4 a:hover { color: var(--blue-deep); }
.card p { font-size: 15.5px; line-height: 1.72; color: var(--gray); }
.card .card-meta { margin-top: 15px; font-size: 14px; color: var(--blue-deep); font-weight: 600; }
.card .card-date { margin-top: 12px; font-size: 13.5px; color: var(--gray-2); }
.card .card-more { margin-top: 15px; font-size: 14.5px; color: var(--blue-deep); font-weight: 700; }
.card .card-more::after { content: " →"; }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step {
  background: var(--white); border: none; border-radius: var(--r-lg);
  padding: 30px 24px; position: relative; transition: .3s var(--ease);
  box-shadow: 0 1px 3px rgba(10, 28, 54, .06);
}
.step:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 34px; font-weight: 800; letter-spacing: 1px;
  color: transparent; -webkit-text-stroke: 1.4px var(--blue);
  display: block; margin-bottom: 12px; opacity: .75;
}
.steps.teal .step::before { -webkit-text-stroke-color: var(--teal); }
.step h4 { font-size: 17.5px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 15px; line-height: 1.7; color: var(--gray); }

/* ---------- 接入流程图 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 26px; counter-reset: flow; }
.flow-stage {
  background: var(--white); border-radius: var(--r-lg); padding: 26px 22px 24px;
  position: relative; box-shadow: 0 1px 3px rgba(10, 28, 54, .06);
  border-top: 4px solid var(--blue); transition: .3s var(--ease);
}
.flow-stage:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.flow-stage.last { border-top-color: var(--gold, #d9a441); }
.flow-stage::before {
  counter-increment: flow; content: "0" counter(flow);
  font-size: 30px; font-weight: 800; letter-spacing: 1px;
  color: transparent; -webkit-text-stroke: 1.4px var(--blue);
  display: block; margin-bottom: 10px; opacity: .75;
}
.flow-stage:not(.last)::after {
  content: "❯"; position: absolute; top: 50%; right: -21px; transform: translateY(-50%);
  font-size: 20px; font-weight: 800; color: var(--blue); opacity: .55; z-index: 1;
}
.flow-dur {
  display: inline-block; font-size: 12.5px; font-weight: 700; color: var(--blue-deep);
  background: rgba(30, 94, 255, .08); border-radius: 999px; padding: 3px 12px; margin-bottom: 10px;
}
.flow-stage.last .flow-dur { color: #9a6d1c; background: rgba(217, 164, 65, .13); }
.flow-stage h4 { font-size: 17.5px; font-weight: 800; margin-bottom: 10px; color: var(--navy); }
.flow-stage ul { list-style: none; }
.flow-stage li { font-size: 13.8px; line-height: 1.65; color: var(--gray); padding-left: 15px; position: relative; margin-bottom: 6px; }
.flow-stage li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); opacity: .55; }
.flow-total { margin-top: 26px; font-size: 15px; color: var(--gray); text-align: center; line-height: 1.8; }
.flow-total b { color: var(--navy); }
.flow-total a { color: var(--blue-deep); font-weight: 700; }
@media (max-width: 1080px) {
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-stage:not(.last)::after { display: none; }
}
@media (max-width: 640px) { .flow { grid-template-columns: 1fr; } }

/* ---------- 通栏配图 ---------- */
.page-figure { max-width: 1040px; margin: 0 auto 56px; }
.page-figure:last-child { margin-bottom: 0; }
.page-figure h3 { font-size: 21px; font-weight: 800; color: var(--navy); margin-bottom: 16px; padding-left: 14px; border-left: 4px solid var(--blue); }
.page-figure img { width: 100%; border-radius: var(--r-lg); box-shadow: var(--shadow-md); border: 1px solid var(--line); }

/* ---------- 方案大卡 ---------- */
.case-feature {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 0;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; margin-bottom: 32px; box-shadow: var(--shadow-sm);
}
.case-visual {
  padding: 48px 42px; color: #fff; display: flex; flex-direction: column; justify-content: center;
  min-height: 300px; position: relative; overflow: hidden;
}
.case-visual::before {
  content: ""; position: absolute; inset: 0; 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: 40px 40px;
  mask-image: radial-gradient(400px 300px at 80% 15%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(400px 300px at 80% 15%, #000 0%, transparent 78%);
}
.case-visual::after {
  content: ""; position: absolute; right: -50px; bottom: -60px; width: 210px; height: 210px;
  border-radius: 50%; border: 26px solid rgba(255,255,255,.07);
}
.case-visual > * { position: relative; }
.case-visual .ui-art { position: absolute; right: 24px; bottom: 24px; width: 168px; height: auto; opacity: .95; pointer-events: none; }
.case-visual.edu { background: linear-gradient(142deg, #3f36b8, #7c3aed); }
.case-visual.fin { background: linear-gradient(142deg, #0a2a57, #1e5eff); }
.case-visual.soe { background: linear-gradient(142deg, #7c2d12, #d9a441); }
.case-visual.pawn { background: linear-gradient(142deg, #3f2d10, #8a6d1f); }
.case-visual.guar { background: linear-gradient(142deg, #0e2c66, #1e5eff); }
.case-industry { font-size: 12px; letter-spacing: 3px; opacity: .85; margin-bottom: 14px; font-weight: 600; }
.case-visual h3 { font-size: 29px; font-weight: 700; line-height: 1.4; }
.case-nums { display: flex; gap: 34px; margin-top: 30px; }
.case-nums b { font-size: 24px; display: block; letter-spacing: .5px; }
.case-nums small { font-size: 12.5px; opacity: .85; }
.case-body { padding: 44px 40px; }
.case-body h4 { font-size: 14.5px; color: var(--gray-2); font-weight: 700; letter-spacing: 1px; margin: 20px 0 7px; }
.case-body h4:first-child { margin-top: 0; }
.case-body p { font-size: 15.5px; line-height: 1.72; }
.case-link { display: inline-block; margin-top: 22px; color: var(--teal-deep); font-weight: 700; font-size: 15px; }
.case-link::after { content: " →"; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--r-lg); box-shadow: 0 1px 3px rgba(10, 28, 54, .06); }
.feature-table { width: 100%; border-collapse: collapse; background: var(--white); }
.feature-table th, .feature-table td { padding: 17px 22px; text-align: left; font-size: 15.5px; border-bottom: 1px solid rgba(229, 233, 242, .5); }
.feature-table th { background: linear-gradient(135deg, #0d2a63, #16407e); color: #fff; font-weight: 600; letter-spacing: 1px; border-bottom: 1px solid rgba(0,0,0,.15); }
.feature-table tr:last-child td { border-bottom: none; }
.feature-table tr:hover td { background: #fafbfe; }
.feature-table td:first-child { font-weight: 700; white-space: nowrap; }

/* ---------- 标签墙 ---------- */
.logo-wall { display: flex; flex-wrap: wrap; gap: 13px; justify-content: center; }
.logo-wall span {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--white); border: none; border-radius: 12px;
  padding: 11px 22px; font-size: 14.5px; font-weight: 600; color: #22406e;
  box-shadow: 0 2px 6px rgba(18, 51, 120, .08); transition: .25s var(--ease);
}
.logo-wall span::before { content: ""; width: 8px; height: 8px; border-radius: 3px; background: #2e6bff; flex: none; }
.logo-wall span:nth-child(3n)::before { background: #00b4d8; }
.logo-wall span:nth-child(4n)::before { background: #7c3aed; }
.logo-wall span:nth-child(5n)::before { background: #f59e0b; }
.logo-wall span:hover { transform: translateY(-2px); border-color: #b9cdf5; color: #12336f; box-shadow: 0 8px 20px rgba(18, 51, 120, .13); }

/* ---------- 次级 hero ---------- */
.page-hero { padding: 84px 0 64px; color: #fff; position: relative; overflow: hidden; }
.page-hero::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;
  mask-image: radial-gradient(900px 520px at 70% 0%, #000 0%, transparent 76%);
  -webkit-mask-image: radial-gradient(900px 520px at 70% 0%, #000 0%, transparent 76%);
}
.page-hero::after {
  content: ""; position: absolute; right: -140px; top: 50%; transform: translateY(-50%);
  width: 460px; height: 460px; border-radius: 50%; pointer-events: none;
  border: 1px solid rgba(160, 195, 255, .30);
  box-shadow: inset 0 0 0 60px rgba(120, 165, 255, .05), 0 0 0 70px rgba(160, 195, 255, .05), 0 0 0 140px rgba(160, 195, 255, .03);
}
.page-hero.credit-theme { background: radial-gradient(800px 420px at 90% -20%, rgba(72,140,255,.55), transparent 60%), linear-gradient(150deg, #0d2450 0%, #123a8c 70%, #1b55d6 135%); }
.page-hero.ai-theme { background: radial-gradient(800px 420px at 90% -20%, rgba(100,155,255,.5), transparent 60%), linear-gradient(150deg, #0b2a66 0%, #1450b8 70%, #2e6bff 145%); }
.page-hero .eyebrow { margin-bottom: 18px; }
.page-hero h1 { font-size: 38px; font-weight: 700; max-width: 760px; line-height: 1.34; letter-spacing: .5px; }
.page-hero p { margin-top: 16px; font-size: 17.5px; line-height: 1.72; color: rgba(255,255,255,.82); max-width: 680px; }
.page-hero .container { position: relative; z-index: 1; }
.page-art {
  position: absolute; right: 4.5%; top: 50%; transform: translateY(-50%);
  width: 380px; pointer-events: none; z-index: 0; opacity: .95;
}
.page-art .ui-art { width: 100%; height: auto; }
.breadcrumb { position: relative; z-index: 1; font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 20px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 7px; opacity: .5; }

/* ---------- 双栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.split h3 { font-size: 25px; font-weight: 700; margin-bottom: 15px; }
.split p { color: var(--gray); font-size: 15px; margin-bottom: 12px; }
.check-list { display: grid; gap: 11px; margin-top: 20px; }
.check-list li { padding-left: 28px; position: relative; font-size: 14.5px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal); font-weight: 800; }
.panel { background: var(--white); border: none; border-radius: var(--r-lg); padding: 32px; box-shadow: 0 2px 8px rgba(10, 28, 54, .08); }
.panel .row { display: flex; justify-content: space-between; gap: 18px; padding: 13px 4px; border-bottom: 1px dashed var(--line); font-size: 14px; }
.panel .row:last-child { border-bottom: none; }
.panel .row b { color: var(--ink); white-space: nowrap; }
.panel .row span { color: var(--gray); text-align: right; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-list details {
  background: var(--white); border: none; border-radius: var(--r-md);
  padding: 0; overflow: hidden; transition: box-shadow .25s;
  box-shadow: 0 1px 3px rgba(10, 28, 54, .06);
}
.faq-list details[open] { box-shadow: var(--shadow-md); }
.faq-list details[open] summary { color: var(--blue-deep); }
.faq-list summary {
  cursor: pointer; list-style: none; padding: 18px 52px 18px 22px; font-weight: 600; font-size: 15.5px;
  position: relative; user-select: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-size: 22px; font-weight: 400; color: var(--gray-2); transition: transform .25s var(--ease);
}
.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); color: var(--blue); }
.faq-list .faq-a { padding: 0 22px 20px; color: var(--gray); font-size: 15.5px; line-height: 1.72; }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; max-width: 880px; margin: 0 auto; padding-left: 36px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--blue), var(--teal)); border-radius: 2px; }
.timeline-item { position: relative; padding: 0 0 34px 22px; }
.timeline-item::before {
  content: ""; position: absolute; left: -36px; top: 7px; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3.5px solid var(--blue); margin-left: 3px; box-shadow: 0 0 0 5px rgba(30,94,255,.12);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item .t-year { font-weight: 800; font-size: 17px; color: var(--blue-deep); letter-spacing: 1px; }
.timeline-item p { color: var(--gray); font-size: 14.5px; margin-top: 5px; }

/* ---------- 文章 ---------- */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; align-items: start; }
/* 文章正文排版:兼顾站内阅读与"整页复制→微信公众号"后的成品效果
   (公众号编辑器保留内联化的颜色/边框/间距,慎用背景图与定位) */
.prose { font-size: 16px; line-height: 1.85; letter-spacing: .2px; }
.prose h2 { font-size: 24px; font-weight: 800; color: var(--navy); margin: 46px 0 18px; padding: 2px 0 2px 14px; border-left: 5px solid var(--blue); line-height: 1.4; }
.prose h3 { font-size: 19px; font-weight: 700; color: var(--navy-2); margin: 34px 0 12px; }
.prose p { margin-bottom: 18px; color: #2a3548; }
.prose ul, .prose ol { margin: 0 0 18px 24px; color: #2a3548; }
.prose ul { list-style: disc; } .prose ol { list-style: decimal; }
.prose li { margin-bottom: 9px; line-height: 1.8; }
.prose li::marker { color: var(--blue); font-weight: 700; }
.prose strong { color: var(--navy); font-weight: 700; }
.prose blockquote { border-left: 4px solid var(--blue); background: var(--blue-soft); padding: 16px 22px; border-radius: 0 var(--r-md) var(--r-md) 0; margin: 0 0 18px; color: var(--navy-3); }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose img {
  display: block; max-width: min(100%, 560px); height: auto; margin: 32px auto;
  border-radius: 14px; box-shadow: 0 6px 26px rgba(10, 28, 54, .16);
  cursor: zoom-in; transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.prose img:hover, .prose img:focus-visible { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(10, 28, 54, .22); }
.prose img:focus-visible { outline: 3px solid rgba(30, 94, 255, .35); outline-offset: 4px; }
.prose table { width: 100%; border-collapse: collapse; margin: 6px 0 22px; font-size: 15px; line-height: 1.65; }
.prose th, .prose td { border: 1px solid #d8e0ec; padding: 12px 14px; text-align: left; vertical-align: top; }
.prose th { background: var(--navy); color: #fff; font-weight: 700; border-color: var(--navy); }
.prose tr:nth-child(even) td { background: #f5f8fd; }
.prose td strong { color: var(--blue-deep); }
.prose code { background: var(--bg); border: 1px solid var(--line); border-radius: 5px; padding: 1px 7px; font-size: 13.5px; }
.prose hr { border: none; border-top: 1px dashed #c8d3e4; margin: 34px auto; width: 72%; }
.lightbox {
  position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center;
  padding: 28px; background: rgba(10, 28, 54, .92); backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden; transition: opacity .18s var(--ease), visibility .18s var(--ease);
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox figure { width: 100%; max-width: 92vw; max-height: 92vh; margin: 0; display: flex; flex-direction: column; align-items: center; }
.lightbox img { display: block; max-width: 92vw; max-height: 86vh; object-fit: contain; border-radius: 14px; box-shadow: 0 20px 60px rgba(0, 0, 0, .42); }
.lightbox figcaption { max-width: min(92vw, 920px); margin-top: 14px; color: #9FB4D6; font-size: 15.5px; line-height: 1.65; text-align: center; overflow-wrap: anywhere; }
.lightbox-close {
  position: absolute; top: 18px; right: 18px; width: 46px; height: 46px; border: 1px solid rgba(255, 255, 255, .26);
  border-radius: 50%; background: rgba(255, 255, 255, .1); color: #fff; font-size: 30px; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: background .2s var(--ease), transform .2s var(--ease);
}
.lightbox-close:hover, .lightbox-close:focus-visible { background: rgba(255, 255, 255, .2); transform: translateY(-1px); }
.lightbox-close:focus-visible { outline: 3px solid rgba(159, 180, 214, .6); outline-offset: 3px; }
@media (max-width: 640px) {
  .lightbox { padding: 16px; }
  .lightbox figure { max-width: 92vw; max-height: 90vh; }
  .lightbox img { max-height: 78vh; border-radius: 10px; }
  .lightbox figcaption { margin-top: 10px; font-size: 14px; line-height: 1.55; }
  .lightbox-close { top: 12px; right: 12px; width: 44px; height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .prose img, .lightbox, .lightbox-close { transition: none; }
  .prose img:hover, .prose img:focus-visible, .lightbox-close:hover, .lightbox-close:focus-visible { transform: none; }
}
.article-meta { color: var(--gray-2); font-size: 13.5px; margin-bottom: 26px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: -12px 0 26px; }
.article-tags .tag-chip { font-style: normal; font-size: 12.5px; font-weight: 600; color: var(--blue-deep); background: var(--blue-soft); border: 1px solid rgba(30, 94, 255, .18); border-radius: 999px; padding: 3px 12px; transition: .2s var(--ease); }
a.tag-chip:hover { background: var(--blue-deep); color: #fff; border-color: var(--blue-deep); }
.side-card { background: var(--bg); border: none; border-radius: var(--r-lg); padding: 26px; margin-bottom: 22px; position: sticky; top: 96px; box-shadow: 0 1px 3px rgba(10, 28, 54, .05); }
.side-card h5 { font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.side-card a { display: block; font-size: 14px; color: var(--gray); padding: 7px 0; border-bottom: 1px dashed var(--line); }
.side-card a:last-child { border-bottom: none; }
.side-card a:hover { color: var(--blue-deep); }
.article-list { display: grid; gap: 18px; }
.article-list .item {
  background: var(--white); border: none; border-radius: var(--r-lg);
  padding: 26px 30px; transition: .25s var(--ease); display: block; position: relative; overflow: hidden;
  box-shadow: 0 1px 3px rgba(10, 28, 54, .06);
}
.article-list .item::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--blue), #00b4d8); opacity: 0; transition: opacity .25s;
}
.article-list .item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.article-list .item:hover::before { opacity: 1; }
.article-list .item h4 { font-size: 18.5px; font-weight: 700; margin-bottom: 8px; }
.article-list .item p { color: var(--gray); font-size: 15.5px; line-height: 1.7; }
.article-list .item .meta { margin-top: 10px; font-size: 12.5px; color: var(--gray-2); }
/* 列表卡片：整卡可点（标题链接铺满），标签链接浮在上层可单独点击 */
.article-list .item h4 a { color: inherit; }
.article-list .item .item-link::after { content: ""; position: absolute; inset: 0; }
.article-list .item .item-tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 2px 0 10px; }
.article-list .item .item-tags a { position: relative; z-index: 2; font-size: 12.5px; font-weight: 600; color: var(--gray-2); transition: color .2s; }
.article-list .item .item-tags a:hover { color: var(--blue-deep); }
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 999px; margin-bottom: 10px; }
.badge.reg { color: var(--blue-deep); background: var(--blue-soft); }
.badge.ai { color: var(--teal-deep); background: var(--teal-soft); }
/* 标签云（/tags/ 索引页） */
.tag-cloud { display: flex; gap: 12px; flex-wrap: wrap; max-width: 860px; margin: 0 auto; }
.tag-cloud a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--blue-deep); background: var(--blue-soft); border: 1px solid rgba(30, 94, 255, .18); border-radius: 999px; padding: 8px 18px; transition: .2s var(--ease); }
.tag-cloud a em { font-style: normal; font-size: 12px; font-weight: 700; color: var(--gray-2); }
.tag-cloud a:hover { background: var(--blue-deep); color: #fff; border-color: var(--blue-deep); }
.tag-cloud a:hover em { color: rgba(255, 255, 255, .75); }

/* ---------- CTA ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: radial-gradient(600px 300px at 85% -30%, rgba(30,94,255,.5), transparent 65%), linear-gradient(130deg, var(--navy) 0%, #143a72 100%);
  color: #fff; border-radius: var(--r-lg); padding: 56px 52px;
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
  box-shadow: var(--shadow-lg);
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; 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: 42px 42px;
  mask-image: radial-gradient(560px 320px at 80% 20%, #000 0%, transparent 76%);
  -webkit-mask-image: radial-gradient(560px 320px at 80% 20%, #000 0%, transparent 76%);
}
.cta-band::after {
  content: ""; position: absolute; left: -60px; bottom: -90px; width: 220px; height: 220px;
  border-radius: 50%; border: 24px solid rgba(255,255,255,.05); pointer-events: none;
}
.cta-band > * { position: relative; }
.cta-band h3 { font-size: 27px; font-weight: 700; letter-spacing: .5px; }
.cta-band p { color: #b9c6d8; margin-top: 8px; font-size: 15px; }
.cta-contact { font-size: 14px; color: #9fb4d2; margin-top: 10px; }
.cta-contact a { color: #fff; font-weight: 700; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: radial-gradient(720px 300px at 12% 0%, rgba(30, 94, 255, .14), transparent 65%), #091629;
  color: #8d9cb3; padding: 62px 0 30px; margin-top: 88px; position: relative;
}
.site-footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(46, 107, 255, .65) 30%, rgba(0, 180, 216, .55) 70%, transparent);
}
.footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-grid h5 { color: #fff; font-size: 15px; margin-bottom: 16px; letter-spacing: 1px; }
.footer-grid a, .footer-grid p { font-size: 14px; color: #8d9cb3; display: block; margin-bottom: 9px; }
.footer-grid a:hover { color: #fff; }
.footer-brand { font-size: 19px; font-weight: 700; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; letter-spacing: 2px; }
.footer-brand .logo-mark { width: auto; height: 30px; flex: none; }
.footer-bottom { padding-top: 24px; font-size: 13px; text-align: center; color: #5f7089; }
.footer-bottom a { color: #5f7089; }
.footer-bottom a:hover { color: #fff; }

/* ---------- 404 ---------- */
.err-page { text-align: center; padding: 120px 24px; }
.err-page b { font-size: 90px; font-weight: 800; background: linear-gradient(92deg, var(--blue), var(--teal)); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; }
.err-page p { color: var(--gray); margin: 14px 0 30px; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .pillars, .split, .case-feature, .article-layout { grid-template-columns: 1fr; }
  .card-grid, .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3)::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 34px; }
  .section-head h2 { font-size: 28px; }
  .page-hero h1 { font-size: 30px; }
  .page-art { display: none; }
  .side-card { position: static; }
}
@media (max-width: 640px) {
  .nav-links {
    display: none; position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; flex-direction: column; gap: 0; padding: 14px 28px 22px;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links > a { padding: 13px 0; width: 100%; }
  .nav-toggle { display: block; }
  .card-grid, .card-grid.four, .steps { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 27.5px; white-space: normal; }
  .hero-tabs { display: flex; width: 100%; }
  .hero-tab { flex: 1; font-size: 15px; padding: 12px 6px; justify-content: center; gap: 6px; }
  .hero-tab .tab-ico { font-size: 16px; }
  .hero-art { display: none; }
  .page-hero::after { display: none; }
  .section { padding: 60px 0; }
  .cta-band { padding: 38px 28px; }
  .case-visual, .case-body { padding: 34px 28px; }
  .case-visual .ui-art { display: none; }
}

/* 知识库等页面的分段页签(浅色主题) */
.seg-tabs {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  padding: 16px 18px; background: rgba(255,255,255,.92);
  -webkit-backdrop-filter: saturate(1.4) blur(6px); backdrop-filter: saturate(1.4) blur(6px);
  border-bottom: 1px solid var(--line); position: sticky; top: 70px; z-index: 40;
}
.seg-tab {
  font-size: 15.5px; font-weight: 600; color: var(--gray);
  background: var(--bg); border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 26px; cursor: pointer; transition: all .2s var(--ease);
}
.seg-tab:hover { color: var(--ink); border-color: var(--gray-2); }
.seg-tab.active { color: #fff; background: var(--blue); border-color: var(--blue); box-shadow: var(--shadow-sm); }
.seg-tab.teal.active { background: var(--teal); border-color: var(--teal); }
html.js .tab-panel { display: none; }
html.js .tab-panel.active { display: block; animation: panelIn .4s ease; }

/* 知识库等页面:更矮的头部,重点放内容 */
.page-hero--slim { padding: 46px 0 38px; }
.page-hero--slim h1 { font-size: 30px; }
.page-hero--slim::after { display: none; }

/* CTA 带内的微信二维码与操作区 */
.cta-text { flex: 1 1 340px; min-width: 260px; }
.cta-text .btn { margin-top: 24px; }
.cta-qr { display: flex; flex-direction: column; align-items: center; gap: 9px; flex-shrink: 0; margin-left: auto; }
.cta-qr img { width: 128px; height: 128px; border-radius: 12px; background: #fff; padding: 9px; box-shadow: var(--shadow-md); }
.cta-qr figcaption { font-size: 13px; color: #cdd8ea; letter-spacing: .3px; white-space: nowrap; }
@media (max-width: 720px) {
  .cta-band { flex-direction: column; align-items: flex-start; }
  .cta-qr { margin: 12px 0 0; align-items: center; }
}

/* ---------- 文章结尾：公司一句话介绍 + 联系方式 ----------
   卡片外观走内联样式，保证整页复制到微信公众号时不丢版式。
   HTML 自然顺序是「文字 → 二维码」上下堆叠（微信会丢掉下面这些 class，
   正好退回堆叠，图片作为普通块级 img 才能被微信正常抓取上传）；
   网站这边用 flex 把它排成左右分栏。 */
.article-outro { display: flex; align-items: center; gap: 28px; box-shadow: var(--shadow-sm); }
.article-outro .ao-main { flex: 1; min-width: 0; }
.article-outro .ao-qr { flex: none; width: 190px; }
.article-outro .ao-qr-img { cursor: zoom-in; transition: box-shadow .2s var(--ease); }
.article-outro .ao-qr-img:hover,
.article-outro .ao-qr-img:focus-visible { box-shadow: var(--shadow-md); }
@media (max-width: 640px) {
  .article-outro { flex-direction: column; align-items: stretch; }
  .article-outro .ao-qr { width: auto; }
}