/* 行业方案 · setup 页二级页面
   基线继承 aimatrix-agent-setup-v5.html 的设计令牌与组件形态，
   排版语言按 Apple 官网风格修订：SF Pro 字体栈、optimizeLegibility、
   大字号紧字距、克制的分隔线、留白优先于边框。 */

:root {
  color-scheme: light dark;

  /* 与 setup 页完全一致的设计令牌 */
  --bg: light-dark(rgb(245 245 247), rgb(0 0 0));
  --surface: light-dark(rgb(255 255 255), rgb(29 29 31));
  --surface-2: light-dark(rgb(245 245 247), rgb(44 44 46));
  --text: light-dark(rgb(29 29 31), rgb(245 245 247));
  --muted: light-dark(rgb(110 110 115), rgb(161 161 166));
  --border: light-dark(rgb(210 210 215), rgb(66 66 69));
  --primary: light-dark(rgb(0 113 227), rgb(41 151 255));
  --primary-fg: light-dark(rgb(255 255 255), rgb(255 255 255));
  --primary-hover: light-dark(rgb(0 103 201), rgb(64 156 255));
  --green: light-dark(rgb(0 125 72), rgb(48 209 88));
  --amber: light-dark(rgb(178 80 0), rgb(255 159 10));
  --purple: light-dark(rgb(137 68 171), rgb(191 90 242));
  --red: light-dark(rgb(200 16 46), rgb(255 69 58));
  --shadow-card: light-dark(0 4px 24px rgb(0 0 0 / 0.05), 0 4px 24px rgb(0 0 0 / 0.4));
  --shadow-card-hover: light-dark(0 8px 32px rgb(0 0 0 / 0.09), 0 8px 32px rgb(0 0 0 / 0.55));

  /* Apple 官网排版刻度 */
  --t-hero: clamp(32px, 5.4vw, 50px);
  --t-h2: clamp(26px, 3.6vw, 34px);
  --t-h3: 20px;
  --t-body: 17px;
  --t-sm: 14px;
  --t-xs: 12px;
  --track-hero: -0.025em;
  --track-h2: -0.021em;
  --track-h3: -0.014em;
  --link: light-dark(rgb(0 102 204), rgb(64 156 255));
  --hairline: light-dark(rgb(0 0 0 / 0.08), rgb(255 255 255 / 0.1));
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 116px; }

body {
  font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: var(--t-body);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent);
  outline-offset: 3px;
  border-radius: 6px;
}
p a, .blk-body a, .card a { color: var(--link); }
p a:hover, .card a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* 中文排版：标题均分行尾，正文优化断行，避免孤字 */
h1, h2, h3, .card-t, .fit-t, .trust-n, .voice, .blk-head h2 {
  text-wrap: balance;
}
p, li, td, .note, .fig-cap, .lead, .src {
  text-wrap: pretty;
}

/* ---------- 顶栏（继承 setup 页） ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--hairline);
  background: light-dark(rgb(251 251 253 / .8), rgb(22 22 23 / .8));
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}
.topbar-in {
  max-width: 1080px; margin: 0 auto;
  display: flex; align-items: center; gap: 14px;
  padding: 12px 22px; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 17px; letter-spacing: -0.014em;
}
/* logo 已内联为 base64，96×70 横版。
   保持原始比例：高度固定 30px，宽度按比例自动。 */
.brand img {
  height: 30px; width: auto;
  object-fit: contain;
  display: block; flex: none;
}
.brand-mark { width: 30px; height: 30px; border-radius: 6px; background: var(--primary); flex: none; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.navlink {
  padding: 6px 12px; border-radius: 999px;
  font-size: var(--t-sm); color: var(--muted);
  transition: color .2s ease, background .2s ease;
}
.navlink:hover { color: var(--text); background: var(--surface-2); }
.navlink.active, .navlink[aria-current="page"] { color: var(--text); font-weight: 500; background: var(--surface-2); }
.actions { display: flex; gap: 8px; align-items: center; margin-left: auto; }

/* ===== 首次使用 高亮导航（继承主站 v5 同款）：主转化入口，主题蓝胶囊 + 呼吸光晕 ===== */
.navlink-first {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 18px; border-radius: 980px;
  background: var(--primary);
  color: #fff; font-weight: 500; font-size: var(--t-sm); letter-spacing: .2px;
  box-shadow: 0 2px 10px color-mix(in srgb, var(--primary) 30%, transparent);
  animation: first-glow 2.8s ease-in-out infinite;
  transition: background .2s ease, transform .15s ease, box-shadow .15s ease;
}
.navlink-first::before { content: "✨"; font-size: 13px; line-height: 1; }
.navlink-first:hover { background: var(--primary-hover); transform: translateY(-1px); color: #fff; box-shadow: 0 4px 16px color-mix(in srgb, var(--primary) 40%, transparent); animation-play-state: paused; }
@keyframes first-glow {
  0%, 100% { box-shadow: 0 2px 10px color-mix(in srgb, var(--primary) 28%, transparent); }
  50%      { box-shadow: 0 2px 18px color-mix(in srgb, var(--primary) 45%, transparent); }
}
@media (prefers-reduced-motion: reduce) { .navlink-first { animation: none; } }

/* ===== iMatrix-V 高亮导航（三页继承同款）：产品钩子入口，品牌紫描边胶囊 ===== */
.navlink-v {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 980px;
  background: color-mix(in srgb, var(--purple) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--purple) 45%, transparent);
  color: var(--purple);
  font-weight: 500; font-size: var(--t-sm); letter-spacing: .2px;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
}
.navlink-v::before { content: "▶"; font-size: 10px; line-height: 1; }
.navlink-v:hover {
  background: var(--purple); border-color: var(--purple); color: #fff;
  transform: translateY(-1px); box-shadow: 0 4px 14px color-mix(in srgb, var(--purple) 35%, transparent);
}

/* ---------- 按钮（继承 setup 页） ---------- */
.btn-primary, .btn-ghost {
  appearance: none; border: 1px solid transparent; border-radius: 980px;
  padding: 8px 18px; font: inherit; font-size: var(--t-sm); font-weight: 500;
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease, opacity .2s ease;
}
.btn-primary { background: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-lg { padding: 12px 26px; font-size: 16px; }
.btn:active { opacity: .85; }

/* ---------- 容器 ---------- */
.wrap { width: 100%; max-width: 980px; margin: 0 auto; padding: 0 22px 32px; }

/* ---------- 首屏（沿用 setup 页渐变，Apple 式居中构图） ---------- */
.hero-tile {
  position: relative; overflow: clip;
  padding: clamp(72px, 13vh, 124px) 22px clamp(64px, 11vh, 104px);
  text-align: center;
  background:
    radial-gradient(1100px 560px at 72% -12%, rgb(41 151 255 / .32), transparent 62%),
    radial-gradient(880px 520px at 12% 112%, rgb(191 90 242 / .30), transparent 62%),
    radial-gradient(720px 420px at 92% 78%, rgb(255 100 130 / .22), transparent 60%),
    linear-gradient(180deg, #0b0b0e, #131318);
}
.hero-tile .eyebrow {
  display: inline-block; font-size: var(--t-sm); font-weight: 500;
  color: rgb(255 255 255 / .82); background: rgb(255 255 255 / .12);
  border-radius: 980px; padding: 5px 16px; margin-bottom: 18px;
}
.hero-tile h1 {
  font-size: var(--t-hero);
  font-weight: 600; line-height: 1.08; letter-spacing: var(--track-hero);
  color: #f5f5f7; margin: 0 auto 16px; max-width: 15em;
}
.hero-tile .sub {
  max-width: 620px; margin: 0 auto 34px;
  color: rgb(245 245 247 / .72); font-size: 19px; line-height: 1.55;
  letter-spacing: -0.01em;
}
.hero-acts { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.hero-tile .btn-ghost { border-color: rgb(255 255 255 / .28); color: #f5f5f7; }
.hero-tile .btn-ghost:hover { background: rgb(255 255 255 / .12); }

/* ---------- 方案切换条 ---------- */
.switcher {
  position: sticky; top: 61px; z-index: 40;
  background: light-dark(rgb(245 245 247 / .82), rgb(0 0 0 / .78));
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--hairline);
}
.switcher-in {
  max-width: 980px; margin: 0 auto; padding: 9px 22px;
  display: flex; gap: 4px; overflow-x: auto;
  scrollbar-width: none;
}
.switcher-in::-webkit-scrollbar { display: none; }
.switch {
  flex: none; padding: 7px 14px; border-radius: 980px;
  font-size: var(--t-sm); color: var(--muted);
  border: 1px solid transparent; white-space: nowrap;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}
.switch:hover { color: var(--text); background: var(--surface-2); }
.switch[aria-current="true"] {
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border-color: color-mix(in srgb, var(--primary) 24%, transparent);
}

/* ---------- 区块：留白优先，用发丝线分隔而非厚重边框 ---------- */
.blk { padding: 72px 0; border-bottom: 1px solid var(--hairline); }
.blk:last-of-type { border-bottom: 0; }
.blk-head { max-width: 720px; margin-bottom: 36px; }
.blk-tag {
  display: inline-block; font-size: var(--t-sm); font-weight: 500;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 9%, transparent);
  border-radius: 980px; padding: 4px 15px; margin-bottom: 16px;
}
.blk-head h2 {
  font-size: var(--t-h2); font-weight: 600;
  line-height: 1.14; letter-spacing: var(--track-h2);
  margin-bottom: 12px;
}
.blk-head p { color: var(--muted); font-size: 18px; line-height: 1.6; letter-spacing: -0.011em; }
h3.sub-h {
  font-size: var(--t-h3); font-weight: 600;
  letter-spacing: var(--track-h3); line-height: 1.3;
  margin: 52px 0 14px;
}
h3.sub-h:first-of-type { margin-top: 0; }
.blk-body > p { color: var(--muted); margin-bottom: 20px; }

/* 段落引导语：区块内的说明文字 */
p.lead { color: var(--muted); margin: 0 0 20px; letter-spacing: -0.008em; }

/* 卡片内的来源标注 */
p.src { color: var(--muted); font-size: 13px; line-height: 1.5; margin-top: 12px; }

/* ---------- 信任条：数字用 tabular-nums，等宽对齐 ---------- */
.trust {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: 14px;
  overflow: hidden; margin: 0 0 36px;
}
.trust-i { background: var(--surface); padding: 20px 18px; }
.trust-n {
  display: block; margin-bottom: 4px;
  font-size: 24px; font-weight: 600; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.trust-t { font-size: 13px; line-height: 1.45; color: var(--muted); }

/* ---------- 卡片：克制的边框，无位移阴影 ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px; padding: 22px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--primary) 28%, var(--border)); }
.card-t { font-size: 17px; font-weight: 600; letter-spacing: -0.012em; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: var(--t-sm); line-height: 1.6; }
.card p + p { margin-top: 12px; }
.card p:last-child { margin-bottom: 0; }
.card strong { color: var(--text); font-weight: 600; }

/* ---------- 独白：Apple 式大字引文 ---------- */
.voice {
  background: var(--surface-2); border-radius: 18px;
  padding: 30px 32px; margin: 24px 0;
  font-size: 19px; line-height: 1.72; letter-spacing: -0.012em;
}
.voice p { margin-bottom: 10px; }
.voice p:last-child { margin-bottom: 0; }

/* ---------- 提示条 ---------- */
.note {
  border-radius: 14px; padding: 18px 22px; margin: 22px 0;
  font-size: var(--t-sm); line-height: 1.65;
  border: 1px solid var(--border); background: var(--surface);
  border-left: 3px solid var(--primary);
}
.note.warn { border-left-color: var(--amber); }

/* ===== 待接入标识规范（与主站 v5 / pricing 一致）
   - class="pending-link"  醒目标识：琥珀虚线框 + 「待接入」角标，用于关键 CTA / 下载按钮
   - class="pending-soft"  弱标识：琥珀虚线下划线，用于导航等次级链接
   - title 属性写明待接入目标 */
.pending-link { position: relative; display: inline-block; outline: 2px dashed color-mix(in srgb, var(--amber) 75%, transparent); outline-offset: 3px; }
.pending-link::after {
  content: "待接入"; position: absolute; top: -11px; right: -12px;
  font-size: 10px; font-weight: 700; letter-spacing: .5px; line-height: 1.4;
  color: light-dark(rgb(255 255 255), rgb(62 40 0)); background: var(--amber);
  padding: 1px 7px; border-radius: 999px; pointer-events: none; z-index: 5;
}
.pending-soft { border-bottom: 1px dashed color-mix(in srgb, var(--amber) 65%, transparent); }

@keyframes cm-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }

/* ===== 主题三态开关：浅色 / 深色 / 跟随系统（localStorage: aimatrix-theme，全站共享） ===== */
.theme-switch { display: inline-flex; align-items: center; gap: 2px; padding: 2px; border: 1px solid var(--border); border-radius: 999px; background: color-mix(in srgb, var(--surface-2) 72%, transparent); }
.theme-switch button { display: inline-flex; align-items: center; justify-content: center; width: 27px; height: 24px; padding: 0; border: 0; border-radius: 999px; background: transparent; color: var(--muted); cursor: pointer; transition: color .15s ease, background .15s ease; }
.theme-switch button:hover { color: var(--text); }
.theme-switch button[aria-pressed="true"] { background: var(--surface); color: var(--primary); box-shadow: 0 1px 4px rgb(0 0 0 / 0.14); }
.theme-switch button:focus-visible { outline: 2px solid color-mix(in srgb, var(--primary) 50%, transparent); outline-offset: 1px; }

/* ===== 旧浏览器主题兜底（与主站同构）：类驱动，.theme-dark 由主题开关脚本挂载 ===== */
@supports not (color: light-dark(#000, #fff)) {
  :root {
    --bg: rgb(245 245 247); --surface: rgb(255 255 255); --surface-2: rgb(245 245 247);
    --text: rgb(29 29 31); --muted: rgb(110 110 115); --border: rgb(210 210 215);
    --primary: rgb(0 113 227); --primary-fg: rgb(255 255 255); --primary-hover: rgb(0 103 201);
    --green: rgb(0 125 72); --amber: rgb(178 80 0); --purple: rgb(137 68 171); --red: rgb(200 16 46);
    --shadow-card: 0 4px 24px rgb(0 0 0 / 0.05); --shadow-card-hover: 0 8px 32px rgb(0 0 0 / 0.09);
  }
  /* 深色：手动深色 / 跟随系统且系统为深色 */
  :root.theme-dark {
    --bg: rgb(0 0 0); --surface: rgb(29 29 31); --surface-2: rgb(44 44 46);
    --text: rgb(245 245 247); --muted: rgb(161 161 166); --border: rgb(66 66 69);
    --primary: rgb(41 151 255); --primary-fg: rgb(255 255 255); --primary-hover: rgb(64 156 255);
    --green: rgb(48 209 88); --amber: rgb(255 159 10); --purple: rgb(191 90 242); --red: rgb(255 69 58);
    --shadow-card: 0 4px 24px rgb(0 0 0 / 0.4); --shadow-card-hover: 0 8px 32px rgb(0 0 0 / 0.55);
  }
}
.note.good { border-left-color: var(--green); }
.note-t { font-weight: 600; margin-bottom: 5px; color: var(--text); }
.note p { color: var(--muted); }
.note p:last-child { margin-bottom: 0; }

/* ---------- 表格：Apple 表格无竖线，只有横向发丝线 ---------- */
.tbl-wrap {
  overflow-x: auto; margin: 22px 0;
  border: 1px solid var(--border); border-radius: 14px;
  background: var(--surface);
}
table { width: 100%; border-collapse: collapse; font-size: var(--t-sm); min-width: 520px; }
th, td {
  padding: 13px 16px; text-align: left;
  border-bottom: 1px solid var(--hairline); vertical-align: top;
  line-height: 1.55;
}
th {
  background: var(--surface-2); color: var(--muted);
  font-weight: 500; font-size: 13px; letter-spacing: -0.006em;
  border-bottom-color: var(--border);
}
tr:last-child td { border-bottom: 0; }
td strong { font-weight: 600; }
.yes { color: var(--green); font-weight: 600; }
.no { color: var(--red); font-weight: 600; }

/* ---------- 适合 / 不适合 ---------- */
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 22px 0; }
.fit {
  border: 1px solid var(--border); border-radius: 18px;
  padding: 24px 26px; background: var(--surface);
}
.fit-t { font-weight: 600; margin-bottom: 12px; font-size: 17px; letter-spacing: -0.012em; }
.fit-t.y { color: var(--green); }
.fit-t.n { color: var(--red); }
.fit ul { list-style: none; }
.fit li {
  position: relative; padding-left: 18px;
  margin-bottom: 10px; font-size: var(--t-sm); line-height: 1.6; color: var(--muted);
}
.fit li:last-child { margin-bottom: 0; }
.fit li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--border);
}

/* ---------- 步骤：细竖线 + 序号圆点 ---------- */
.steps-l { counter-reset: st; margin: 22px 0; }
.step-l { position: relative; padding: 0 0 24px 44px; counter-increment: st; }
.step-l:last-child { padding-bottom: 0; }
.step-l::before {
  content: counter(st); position: absolute; left: 0; top: 0;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--surface-2);
  color: var(--muted); font-size: 13px; font-weight: 500;
  display: flex; align-items: center; justify-content: center;
  font-variant-numeric: tabular-nums;
}
.step-l::after {
  content: ""; position: absolute; left: 14px; top: 32px; bottom: 4px;
  width: 1px; background: var(--hairline);
}
.step-l:last-child::after { display: none; }
.step-t { font-weight: 600; margin-bottom: 3px; font-size: 16px; letter-spacing: -0.01em; }
.step-d { color: var(--muted); font-size: var(--t-sm); line-height: 1.6; }

/* ---------- 图 ---------- */
.fig { margin: 26px 0; }
.fig-frame {
  border: 1px solid var(--border); border-radius: 18px;
  background: var(--surface); padding: 22px; overflow: hidden;
}
.fig-cap {
  font-size: 13px; color: var(--muted); margin: 12px 2px 0;
  line-height: 1.55; letter-spacing: -0.006em;
}
.fig svg { display: block; width: 100%; height: auto; }

/* 结构图配色：随深浅色模式自动切换 */
.fig {
  --fig-t1: light-dark(rgb(29 29 31), rgb(235 235 240));
  --fig-t2: light-dark(rgb(90 90 96), rgb(161 161 166));
  --fig-t3: light-dark(rgb(130 130 136), rgb(140 140 148));
  --fig-line-2: light-dark(rgb(214 214 220), rgb(62 62 68));
  --fig-arrow: light-dark(rgb(90 90 96), rgb(180 180 188));
  --fig-arrow-d: light-dark(rgb(0 113 227), rgb(41 151 255));
  --fig-fill: light-dark(rgb(250 250 252), rgb(38 38 42));
  --fig-fill-2: light-dark(rgb(243 243 246), rgb(48 48 54));
  --fig-fill-3: light-dark(rgb(236 236 240), rgb(58 58 64));
  --fig-stroke: light-dark(rgb(206 206 214), rgb(72 72 78));
  --fig-stroke-2: light-dark(rgb(188 188 196), rgb(88 88 96));
  --fig-outer: light-dark(rgb(248 248 250), rgb(30 30 34));
  --fig-accent: light-dark(rgb(226 240 252), rgb(22 44 66));
  --fig-accent-s: light-dark(rgb(24 95 165), rgb(64 140 220));
  --fig-warn: light-dark(rgb(253 240 240), rgb(58 26 26));
  --fig-warn-s: light-dark(rgb(163 45 45), rgb(200 90 86));
  --fig-ok: light-dark(rgb(232 244 222), rgb(28 46 24));
  --fig-ok-s: light-dark(rgb(59 109 17), rgb(120 175 60));
}
.fig text {
  fill: var(--fig-t1);
  font-family: "SF Pro Text", -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
}
.fig .t2 { fill: var(--fig-t2); }
.fig .t3 { fill: var(--fig-t3); }
.fig .box { fill: var(--fig-fill); stroke: var(--fig-stroke); stroke-width: .5; }
.fig .box2 { fill: var(--fig-fill-2); stroke: var(--fig-stroke-2); stroke-width: .5; }
.fig .box3 { fill: var(--fig-fill-3); stroke: var(--fig-stroke-2); stroke-width: .5; }
.fig .outer { fill: var(--fig-outer); stroke: var(--fig-stroke-2); stroke-width: .5; }
.fig .accent { fill: var(--fig-accent); stroke: var(--fig-accent-s); stroke-width: .5; }
.fig .warn { fill: var(--fig-warn); stroke: var(--fig-warn-s); stroke-width: .5; }
.fig .ok { fill: var(--fig-ok); stroke: var(--fig-ok-s); stroke-width: .5; }
.fig .arrow { fill: none; stroke: var(--fig-arrow); stroke-width: 1.5; }
.fig .arrow-d { fill: none; stroke: var(--fig-arrow-d); stroke-width: 1.5; stroke-dasharray: 4 3; }
.fig .rowline { stroke: var(--fig-line-2); stroke-width: .5; }

/* ---------- CTA ---------- */
.cta-band {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 48px 40px; margin: 28px 0;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(22px, 3vw, 28px); font-weight: 600;
  line-height: 1.2; letter-spacing: var(--track-h2); margin-bottom: 12px;
}
.cta-band p {
  color: var(--muted); margin: 0 auto 24px;
  max-width: 560px; font-size: 17px; line-height: 1.6;
}
.cta-acts { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ---------- 页脚（继承 setup 页） ---------- */
.footer {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 24px 0 40px; color: var(--muted); font-size: var(--t-xs);
}


/* ---------- 精简版：痛点块 + 方案内 CTA ---------- */
.pain {
  background: var(--surface-2); border-radius: 18px;
  padding: 26px 28px; margin: 0 0 26px;
}
.pain-t {
  font-size: 14px; font-weight: 600; color: var(--muted);
  letter-spacing: .02em; margin-bottom: 14px;
}
.pain ul { list-style: none; }
.pain li {
  position: relative; padding: 0 0 12px 26px;
  font-size: 17px; line-height: 1.65; letter-spacing: -0.01em;
}
.pain li:last-child { padding-bottom: 0; }
.pain li::before {
  content: ""; position: absolute; left: 4px; top: .58em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--red);
}
.pain li strong { font-weight: 600; }

.frame { margin: 0 0 8px; }
.frame-t {
  font-size: 14px; font-weight: 600; color: var(--muted);
  letter-spacing: .02em; margin-bottom: 14px;
}
.blk-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.blk-cta .btn-primary, .blk-cta .btn-ghost { padding: 10px 22px; font-size: 15px; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .trust { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  html { scroll-padding-top: 108px; }
  body { font-size: 16px; }
  .nav { order: 3; width: 100%; }
  .actions { margin-left: auto; }
  .trust, .fit-grid, .cards { grid-template-columns: 1fr; }
  .voice { padding: 22px 20px; font-size: 17px; }
  .hero-tile .sub { font-size: 17px; }
  .cta-band { padding: 32px 22px; }
  .blk { padding: 52px 0; }
  .fig-frame { padding: 16px; }
  h3.sub-h { margin-top: 44px; }
}

/* ---------- 无障碍：尊重减弱动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .topbar, .switcher, .hero-acts, .cta-acts { display: none; }
  body { background: #fff; }
  .blk { break-inside: avoid; }
}