/* ============================================================
   骏航落地页 · Claude 视觉系统 + 三个方向 (A 编辑 / B 对话 / C 证据)
   ============================================================ */

:root {
  /* 暖色基底 */
  --bg: #faf9f5;
  --bg-warm: #f3f1e8;
  --panel: #efece2;
  --card: #fdfcf8;
  --ink: #1a1813;
  --ink-2: #38352c;
  --muted: #76716a;
  --line: #e6e1d4;
  --line-2: #d9d3c4;
  /* 品牌红（取自 JH logo） */
  --clay: #cc2a1e;
  --clay-deep: #a31f15;
  --clay-2: #e0533f;
  --clay-tint: #f7e4df;
  --clay-tint-2: #f1d2ca;
  /* Claude 橙：只用于「老板在意的关键字」高亮 */
  --orange: #c2603c;
  --orange-deep: #a44a2c;
  --orange-tint: #f0d8c8;

  --maxw: 880px;
  --gut: 40px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

mark, .hl {
  background: linear-gradient(transparent 56%, var(--orange-tint) 56%);
  color: var(--ink);
  padding: 0 .04em;
  font-weight: 700;
  border-radius: 1px;
}

.brandmark {
  width: 27px; height: 27px; border-radius: 7px; object-fit: contain;
  display: block; align-self: center; background: #fff;
}

/* ---------- 客户需求切换 ---------- */
.intent-switch {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(250, 249, 245, .88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.intent-switch-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 10px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
}
.intent-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
}
.intent-copy {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-align: right;
}
.intent-options {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 4px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.intent-option {
  min-width: 178px;
  padding: 9px 16px;
  border-radius: 999px;
  color: var(--ink-2);
  text-decoration: none;
  display: grid;
  gap: 1px;
  transition: background .16s, color .16s, box-shadow .16s;
}
.intent-option:hover {
  color: var(--clay-deep);
}
.intent-option[data-active="1"] {
  background: var(--card);
  color: var(--clay-deep);
  box-shadow: 0 8px 20px -15px rgba(26, 24, 19, .45), 0 0 0 1px var(--line-2) inset;
}
.intent-main {
  font-size: 14px;
  font-weight: 900;
  line-height: 1.25;
}
.intent-sub {
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.35;
  white-space: nowrap;
}

/* ============================================================
   落地页公共结构
   ============================================================ */
.page { position: relative; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }
.section { padding: 64px 0; }
.section + .section { border-top: 1px solid transparent; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--clay-deep); font-weight: 600;
  margin: 0 0 18px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--clay); }

.h2 {
  font-size: 30px; line-height: 1.28; margin: 0 0 8px; font-weight: 700;
  letter-spacing: -.005em; text-wrap: balance;
}
.lead { font-size: 17px; line-height: 1.7; color: var(--ink-2); margin: 0; }

/* ---------- Hero ---------- */
.hero { padding: 78px 0 60px; }
.hero h1 {
  font-size: 46px; line-height: 1.22; margin: 0 0 22px; font-weight: 800;
  letter-spacing: -.012em; text-wrap: balance; max-width: 16ch;
}
.hero h1 mark { background: none; color: var(--orange); padding: 0; font-weight: inherit; }
.hero .sub { font-size: 20px; line-height: 1.62; color: var(--ink-2); margin: 0 0 32px; max-width: 36ch; }
.hero-cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--clay); color: #fff; border: 0; cursor: pointer;
  font: inherit; font-weight: 700; font-size: 16px;
  padding: 14px 24px; border-radius: 11px;
  font-family: "Noto Sans SC", system-ui, sans-serif;
  box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 6px 18px -8px rgba(191,92,57,.6);
  transition: transform .12s, background .15s;
}
.btn:hover { background: var(--clay-deep); transform: translateY(-1px); }
.btn .arrow { transition: transform .15s; }
.btn:hover .arrow { transform: translateX(3px); }
.cta-sub { font-size: 14px; color: var(--muted); }

/* ---------- 列表 / 痛点 ---------- */
.painlist { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 2px; }
.painlist li {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 22px; background: var(--card); border: 1px solid var(--line);
  font-size: 17px; line-height: 1.6; color: var(--ink-2);
}
.painlist li:first-child { border-radius: 14px 14px 0 0; }
.painlist li:last-child { border-radius: 0 0 14px 14px; }
.painlist li:not(:first-child) { border-top: 0; }
.painlist .mk {
  flex: none; width: 26px; height: 26px; border-radius: 7px;
  background: var(--clay-tint); color: var(--clay-deep);
  display: grid; place-items: center; font-size: 14px; font-weight: 700; margin-top: 1px;
}

/* ---------- 三步 ---------- */
.steps { display: grid; gap: 18px; margin-top: 30px; grid-template-columns: repeat(auto-fit, minmax(208px, 1fr)); }
.step {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 24px;
}
.step .k {
  font-family: "Space Mono", monospace; font-size: 13px; color: var(--clay-deep);
  font-weight: 700; letter-spacing: .04em;
}
.step .t { font-size: 18px; font-weight: 700; margin: 14px 0 8px; }
.step .d { font-size: 15px; line-height: 1.65; color: var(--muted); margin: 0; }

/* ---------- 你会拿到什么 ---------- */
.features { display: grid; gap: 14px; margin-top: 28px; grid-template-columns: 1fr 1fr; }
.feat {
  display: flex; gap: 13px; align-items: flex-start;
  padding: 20px 20px; background: var(--card); border: 1px solid var(--line); border-radius: 13px;
  font-size: 16px; line-height: 1.6; color: var(--ink-2);
}
.feat .ck {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--clay); display: grid; place-items: center; margin-top: 1px;
}
.feat .ck svg { width: 12px; height: 12px; }

/* ---------- 案例 ---------- */
.case {
  margin-top: 28px; background: var(--card); border: 1px solid var(--line);
  border-radius: 18px; padding: 34px 34px; position: relative;
}
.case h3 { font-size: 22px; margin: 0 0 14px; font-weight: 700; }
.case p { font-size: 16.5px; line-height: 1.72; color: var(--ink-2); margin: 0; }
.case .tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 0; }
.tag {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  background: var(--bg-warm); border: 1px solid var(--line-2);
  padding: 6px 13px; border-radius: 99px;
}
.tag .tdot { width: 6px; height: 6px; border-radius: 50%; background: var(--clay); }
.tag.tag-ph {
  background: transparent; border-style: dashed; border-color: var(--line-2); color: var(--muted);
}
.tag.tag-ph .tdot { background: var(--muted); }
.case .note {
  margin: 22px 0 0; padding: 16px 18px; background: var(--bg-warm);
  border-left: 3px solid var(--clay); border-radius: 0 10px 10px 0;
  font-size: 14.5px; line-height: 1.65; color: var(--muted);
}

/* 案例网格（外贸三案例） */
.cases { display: grid; gap: 16px; margin-top: 28px; grid-template-columns: repeat(3, 1fr); }
.cases .case { margin: 0; padding: 26px 24px; }
.cases .case h3 { font-size: 18px; }
.cases .case p { font-size: 15px; line-height: 1.66; }
.cases .case .tags { gap: 7px; }
.cases .tag { font-size: 11.5px; padding: 4px 10px; }

/* ---------- 三问（外贸） ---------- */
.qlist { margin: 30px 0 0; display: grid; gap: 14px; }
.qrow { display: flex; gap: 16px; align-items: flex-start; }
.qbubble {
  flex: 1; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px;
}
.qrow .qn {
  flex: none; font-family: "Space Mono", monospace; font-weight: 700;
  font-size: 20px; color: var(--clay); line-height: 1.2; padding-top: 22px;
}
.qrow .qt { font-size: 17.5px; line-height: 1.55; font-weight: 500; margin: 0; }
.q-body { margin: 26px 0 0; font-size: 17px; line-height: 1.75; color: var(--ink-2); }
.chat-head, .q-av, .chat-typing { display: none; }
.chat-av, .q-av {
  flex: none; width: 36px; height: 36px; border-radius: 50%; background: #fff;
  overflow: hidden; display: grid; place-items: center; border: 1px solid var(--line);
}
.chat-av img, .q-av img { width: 100%; height: 100%; object-fit: cover; display: block; }
.chat-av-mark { width: 13px; height: 13px; background: var(--bg); transform: rotate(45deg); border-radius: 2px; display: block; }

/* ---------- 两档（外贸） ---------- */
.tiers { display: grid; gap: 18px; margin-top: 30px; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); }
.tier {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 30px 28px; display: flex; flex-direction: column;
}
.tier .ttag {
  align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  color: var(--clay-deep); background: var(--clay-tint); padding: 5px 12px; border-radius: 99px;
}
.tier h3 { font-size: 20px; margin: 16px 0 12px; font-weight: 700; }
.tier p { font-size: 15px; line-height: 1.68; color: var(--ink-2); margin: 0; }
.tier .thi { margin: 16px 0 0; font-size: 15.5px; font-weight: 700; color: var(--clay-deep); }
.tier .tresult {
  margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 14px; line-height: 1.6; color: var(--ink-2);
}
.tier .tresult-k {
  display: inline-block; margin-right: 8px; font-size: 11px; font-weight: 700; letter-spacing: .03em;
  color: var(--clay-deep); background: var(--clay-tint); padding: 2px 8px; border-radius: 5px;
  vertical-align: 1px;
}
.tier-note {
  margin: 20px 0 0; padding: 18px 22px; background: var(--clay-tint); border-radius: 14px;
  font-size: 15.5px; line-height: 1.65; color: var(--ink-2); font-weight: 500;
}
.tier-note mark { background: linear-gradient(transparent 58%, rgba(217,119,87,.42) 58%); }

/* ---------- 不承诺 ---------- */
.dont { margin: 28px 0 0; display: grid; gap: 12px; }
.dont .drow {
  display: flex; gap: 15px; align-items: flex-start;
  font-size: 16px; line-height: 1.66; color: var(--ink-2);
  padding: 18px 20px; background: var(--bg-warm); border: 1px dashed var(--line-2); border-radius: 13px;
}
.dont .x {
  flex: none; width: 22px; height: 22px; border-radius: 6px; margin-top: 1px;
  background: #fff; border: 1px solid var(--line-2); color: var(--muted);
  display: grid; place-items: center; font-weight: 700; font-size: 14px;
}

/* ---------- 价格 ---------- */
.pricebox { margin: 26px 0 0; border: 1px solid var(--line-2); border-radius: 16px; overflow: hidden; }
.prow {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 20px 26px; background: var(--card);
}
.prow + .prow { border-top: 1px solid var(--line); }
.prow .pt { font-size: 16px; font-weight: 500; color: var(--ink-2); }
.prow .pp { font-size: 20px; font-weight: 800; color: var(--ink); letter-spacing: -.01em; white-space: nowrap; }
.tprice { font-size: 17px; font-weight: 800; color: var(--clay-deep); margin: 0 0 12px; letter-spacing: -.01em; }
.price-anchor {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  margin: 24px 0 12px; padding: 18px 22px;
  background: var(--clay-tint); border: 1px solid var(--clay-tint-2); border-radius: 14px;
}
.pa-l { font-size: 15px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pa-tag { font-size: 11px; font-weight: 800; letter-spacing: .05em; color: #fff; background: var(--clay); padding: 3px 9px; border-radius: 6px; }
.pa-p { font-size: 22px; font-weight: 800; color: var(--clay-deep); white-space: nowrap; }
.price-note { margin: 14px 0 0; font-size: 13px; color: var(--muted); line-height: 1.6; }

/* ---------- CTA ---------- */
.ctablock {
  margin: 8px 0; background: var(--ink); color: var(--bg);
  border-radius: 24px; padding: 48px 46px;
  display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center;
}
.ctablock h2 { font-size: 28px; line-height: 1.32; margin: 0 0 14px; font-weight: 700; color: #fff; max-width: 20ch; }
.ctablock .cbody { font-size: 16px; line-height: 1.7; color: rgba(250,249,245,.78); margin: 0 0 26px; max-width: 40ch; }
.ctablock .eyebrow { color: var(--clay-2); }
.ctablock .eyebrow .dot { background: var(--clay-2); }
.ctablock .clist { list-style: none; margin: 0 0 26px; padding: 0; display: grid; gap: 9px; }
.ctablock .clist li { font-size: 15px; color: rgba(250,249,245,.85); }
.cta-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 9px; cursor: pointer;
  background: transparent; color: var(--bg); border: 1px solid rgba(250,249,245,.32);
  font: inherit; font-weight: 600; font-size: 15px; padding: 13px 22px; border-radius: 11px;
  font-family: "Noto Sans SC", system-ui, sans-serif; transition: border-color .15s, background .15s;
}
.btn-ghost:hover { background: rgba(250,249,245,.08); border-color: rgba(250,249,245,.55); }
.qr {
  flex: none; width: 152px; height: 152px; border-radius: 16px;
  background: #fff; display: grid; place-items: center; padding: 10px; text-align: center;
}
.qr .qrcode { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; display: block; }
.qr .qrimg {
  width: 100%; height: 100%; border-radius: 9px;
  background-image:
    linear-gradient(45deg, var(--line-2) 25%, transparent 25%, transparent 75%, var(--line-2) 75%),
    linear-gradient(45deg, var(--line-2) 25%, transparent 25%, transparent 75%, var(--line-2) 75%);
  background-size: 16px 16px; background-position: 0 0, 8px 8px;
  display: grid; place-items: center;
}
.qr .qrtag {
  font-size: 11px; color: var(--muted); font-weight: 600; background: var(--bg);
  padding: 3px 8px; border-radius: 6px; font-family: "Space Mono", monospace;
}
.cta-right { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.cta-right .qrcap { font-size: 12px; color: rgba(250,249,245,.6); }

/* ---------- 最终交付：Agent 体系 + 一键运营台 ---------- */
.agentsec .agent-grid {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center; margin-top: 6px;
}
.agent-points { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 15px; }
.agent-points li { display: flex; gap: 13px; font-size: 16px; line-height: 1.62; color: var(--ink-2); }
.agent-points .apk { flex: none; width: 22px; height: 22px; border-radius: 6px; background: var(--clay-tint); position: relative; margin-top: 1px; }
.agent-points .apk::after {
  content: ""; position: absolute; left: 8px; top: 5px; width: 5px; height: 9px;
  border: 2px solid var(--clay-deep); border-top: 0; border-left: 0; transform: rotate(45deg);
}
.agent-proof {
  margin: 24px 0 0; display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; color: var(--ink); background: var(--clay-tint);
  padding: 11px 17px; border-radius: 99px; font-size: 14.5px;
}
.dotpulse { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--clay); }
@media (prefers-reduced-motion: no-preference) {
  .dotpulse { animation: pulse 2s infinite; }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(204,42,30,.4); }
    70% { box-shadow: 0 0 0 8px rgba(204,42,30,0); }
    100% { box-shadow: 0 0 0 0 rgba(204,42,30,0); }
  }
}
.agent-console {
  background: var(--card); border: 1px solid var(--line-2); border-radius: 18px; overflow: hidden;
  box-shadow: 0 26px 54px -30px rgba(26,24,19,.38);
}
.console-bar {
  display: flex; align-items: center; gap: 7px; padding: 14px 18px;
  background: var(--bg-warm); border-bottom: 1px solid var(--line);
}
.cdot { width: 11px; height: 11px; border-radius: 50%; background: var(--line-2); }
.console-title { margin-left: 10px; font-size: 13px; font-weight: 700; color: var(--muted); }
.console-body { padding: 18px; }
.console-row {
  display: flex; align-items: center; gap: 14px; padding: 15px 16px;
  border: 1px solid var(--line); border-radius: 11px; background: var(--bg);
  transition: background .35s, border-color .35s;
}
.console-row + .console-row { margin-top: 10px; }
.console-row .crk { font-family: "Space Mono", monospace; font-size: 12px; color: var(--clay-deep); font-weight: 700; }
.console-row .crt { flex: 1; font-size: 15px; font-weight: 500; color: var(--ink); }
.console-row .crs {
  font-size: 12px; font-weight: 700; color: var(--muted); background: var(--card);
  border: 1px solid var(--line); padding: 3px 11px; border-radius: 99px; white-space: nowrap;
  transition: all .35s;
}
.agent-console.ran .console-row { background: var(--clay-tint); border-color: var(--clay-tint-2); }
.agent-console.ran .console-row .crs { color: #fff; background: var(--clay); border-color: var(--clay); }
.console-btn {
  margin-top: 16px; width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--clay); color: #fff; border: 0; cursor: pointer; font: inherit; font-weight: 700;
  font-size: 16px; padding: 16px; border-radius: 12px; font-family: "Noto Sans SC", system-ui, sans-serif;
  box-shadow: 0 8px 20px -8px rgba(204,42,30,.6); transition: transform .12s, background .15s;
}
.console-btn:hover { background: var(--clay-deep); transform: translateY(-1px); }
.agent-console.ran .console-btn { background: var(--ink); box-shadow: none; }
.console-btn .play { font-size: 12px; }
.console-cap { margin: 12px 0 0; text-align: center; font-size: 12.5px; color: var(--muted); }

/* ---------- ROI 承诺带 ---------- */
.roi-panel {
  margin-top: 6px; background: var(--clay-tint); border: 1px solid var(--clay-tint-2);
  border-radius: 22px; padding: 40px 42px;
}
.roi-lead { font-size: 16.5px; line-height: 1.7; color: var(--ink-2); margin: 0; max-width: 52ch; }
.roi-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.roi-step { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px 22px; }
.roi-k { font-family: "Space Mono", monospace; font-size: 13px; font-weight: 700; color: var(--clay-deep); letter-spacing: .03em; }
.roi-t { font-size: 17px; font-weight: 700; margin: 12px 0 8px; }
.roi-d { font-size: 14.5px; line-height: 1.62; color: var(--muted); margin: 0; }

/* ---------- 人工对比 ---------- */
.compare { margin-top: 26px; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.cmp-head {
  display: grid; grid-template-columns: 1fr 40px 1.2fr; gap: 16px; padding: 13px 24px;
  background: var(--bg-warm); border-bottom: 1px solid var(--line);
  font-size: 13px; font-weight: 700; color: var(--muted);
}
.cmp-head span:last-child { grid-column: 3; }
.cmp-row {
  display: grid; grid-template-columns: 1fr 40px 1.2fr; gap: 16px; align-items: center;
  padding: 22px 24px; background: var(--card);
}
.cmp-row + .cmp-row { border-top: 1px solid var(--line); }
.cmp-human { display: flex; flex-direction: column; gap: 6px; }
.cmp-role { font-size: 16px; font-weight: 700; color: var(--ink); }
.cmp-cost { font-size: 15px; font-weight: 800; color: var(--orange); }
.cmp-arrow { color: var(--clay); font-weight: 800; font-size: 18px; text-align: center; }
.cmp-agent { font-size: 15px; line-height: 1.6; color: var(--ink-2); }
.cmp-punch { margin: 20px 0 0; font-size: 17px; line-height: 1.66; color: var(--ink); font-weight: 600; }

/* ---------- 能力梯子 ---------- */
.ladder-lead { font-size: 16.5px; line-height: 1.7; color: var(--ink-2); margin: 0 0 24px; max-width: 54ch; }
.ladder { display: grid; gap: 0; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.rung { display: flex; align-items: center; gap: 16px; padding: 18px 22px; background: var(--card); }
.rung + .rung { border-top: 1px solid var(--line); }
.rung-n { flex: none; font-family: "Space Mono", monospace; font-size: 13px; font-weight: 700; color: var(--muted); }
.rung.hot .rung-n { color: var(--clay-deep); }
.rung-main { flex: 1; }
.rung-t { font-size: 17px; font-weight: 700; color: var(--ink); }
.rung-ex { font-size: 14px; line-height: 1.55; color: var(--muted); margin-top: 3px; }
.rung-tag { flex: none; font-size: 12px; font-weight: 700; color: var(--clay-deep); background: var(--clay-tint); padding: 4px 11px; border-radius: 99px; white-space: nowrap; }
.rung.hot { background: var(--clay-tint); }
.ladder-note { margin: 16px 0 0; font-size: 13.5px; line-height: 1.6; color: var(--muted); }
[data-dir="b"] .ladder { border-radius: 18px; }

/* ---------- 页脚 ---------- */
.foot { padding: 40px 0 64px; }
.foot .fline { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14px; color: var(--ink-2); }
.foot .fline .logo {
  width: 18px; height: 18px; border-radius: 5px; background: var(--clay); position: relative;
}
.foot .fline .logo::after { content:""; position:absolute; inset:5px; background:var(--bg); transform:rotate(45deg); border-radius:1px; }
.foot .fline .brandmark { width: 24px; height: 24px; border-radius: 6px; }
.foot .fnote { margin: 10px 0 0; font-size: 12.5px; line-height: 1.6; color: var(--muted); max-width: 60ch; }

/* ============================================================
   方向 B — 对话型：无衬线粗标题、圆角软卡、聊天气泡三问
   ============================================================ */
[data-dir="b"] { --maxw: 860px; }
[data-dir="b"] .hero { text-align: center; padding: 84px 0 64px; }
[data-dir="b"] .hero h1 { margin-left: auto; margin-right: auto; font-size: 48px; font-weight: 900; max-width: 17ch; }
[data-dir="b"] .hero .sub { margin-left: auto; margin-right: auto; max-width: 34ch; }
[data-dir="b"] .hero-cta { justify-content: center; }
[data-dir="b"] .eyebrow {
  background: var(--clay-tint); padding: 6px 14px; border-radius: 99px; font-weight: 700;
}
[data-dir="b"] .btn { border-radius: 99px; padding: 15px 28px; }
[data-dir="b"] .btn-ghost { border-radius: 99px; }
[data-dir="b"] .step, [data-dir="b"] .tier, [data-dir="b"] .case, [data-dir="b"] .qrow,
[data-dir="b"] .painlist li, [data-dir="b"] .feat { border-radius: 20px; }
[data-dir="b"] .painlist { gap: 12px; }
[data-dir="b"] .painlist li { border-radius: 18px !important; border: 1px solid var(--line); }
[data-dir="b"] .painlist li:not(:first-child) { border-top: 1px solid var(--line); }
[data-dir="b"] .ctablock { border-radius: 30px; }
[data-dir="b"] .agent-console { border-radius: 24px; }
[data-dir="b"] .console-row, [data-dir="b"] .console-btn { border-radius: 14px; }
[data-dir="b"] .roi-panel { border-radius: 28px; }
[data-dir="b"] .roi-step { border-radius: 18px; }
[data-dir="b"] .qr { border-radius: 20px; }
/* 三问做成聊天线程 */
[data-dir="b"] .qlist { gap: 14px; max-width: 660px; }
[data-dir="b"] .chat-head { display: flex; align-items: center; gap: 11px; margin-bottom: 6px; }
[data-dir="b"] .chat-id { display: flex; flex-direction: column; font-weight: 700; font-size: 14.5px; line-height: 1.2; }
[data-dir="b"] .chat-id small {
  font-weight: 500; color: var(--muted); font-size: 11.5px; margin-top: 4px;
  position: relative; padding-left: 14px; white-space: nowrap;
}
[data-dir="b"] .chat-id small::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 7px; height: 7px; border-radius: 50%; background: #5a9e6f; box-shadow: 0 0 0 3px rgba(90,158,111,.18);
}
[data-dir="b"] .qrow { align-items: flex-end; }
[data-dir="b"] .qrow .qn { display: none; }
[data-dir="b"] .qrow .q-av { display: grid; width: 34px; height: 34px; }
[data-dir="b"] .qbubble {
  flex: 0 1 auto; max-width: 82%; background: var(--clay-tint); border-color: var(--clay-tint-2);
  border-radius: 6px 20px 20px 20px; padding: 18px 22px;
}
[data-dir="b"] .chat-typing {
  display: inline-flex; gap: 5px; align-items: center; align-self: flex-start;
  margin-left: 45px; background: var(--clay-tint); border: 1px solid var(--clay-tint-2);
  border-radius: 6px 16px 16px 16px; padding: 14px 16px;
}
[data-dir="b"] .chat-typing span {
  width: 8px; height: 8px; border-radius: 50%; background: var(--clay);
  animation: typing 1.3s infinite ease-in-out;
}
[data-dir="b"] .chat-typing span:nth-child(2) { animation-delay: .18s; }
[data-dir="b"] .chat-typing span:nth-child(3) { animation-delay: .36s; }
[data-dir="b"] .q-body {
  background: var(--ink); color: var(--bg); padding: 22px 26px; border-radius: 20px 20px 6px 20px;
  max-width: 88%; margin-left: auto; margin-top: 14px; position: relative;
}
[data-dir="b"] .q-body::before {
  content: attr(data-sender); position: absolute; top: -22px; right: 4px;
  font-size: 11.5px; font-weight: 700; color: var(--clay-deep);
}
[data-dir="b"] .q-body mark { background: linear-gradient(transparent 58%, rgba(217,119,87,.5) 58%); color: #fff; }
[data-dir="b"] .feat .ck { border-radius: 50%; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: .45; }
  30% { transform: translateY(-5px); opacity: 1; }
}
@media (prefers-reduced-motion: no-preference) {
  @keyframes msgIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
  [data-dir="b"] .qchat .chat-head,
  [data-dir="b"] .qchat .qrow,
  [data-dir="b"] .qchat .chat-typing,
  [data-dir="b"] .qchat .q-body { opacity: 0; }
  [data-dir="b"] .qchat.play .chat-head { animation: msgIn .45s both; }
  [data-dir="b"] .qchat.play .qrow { animation: msgIn .5s both; }
  [data-dir="b"] .qchat.play .qrow:nth-of-type(1) { animation-delay: .2s; }
  [data-dir="b"] .qchat.play .qrow:nth-of-type(2) { animation-delay: .5s; }
  [data-dir="b"] .qchat.play .qrow:nth-of-type(3) { animation-delay: .8s; }
  [data-dir="b"] .qchat.play .chat-typing { animation: msgIn .5s both 1.05s; }
  [data-dir="b"] .qchat.play .q-body { animation: msgIn .55s both 1.45s; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 720px) {
  .intent-switch-inner {
    padding: 9px 14px 10px;
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .intent-brand {
    justify-content: center;
    font-size: 14px;
  }
  .intent-brand .brandmark {
    width: 24px;
    height: 24px;
  }
  .intent-copy {
    display: block;
    text-align: center;
    font-size: 12px;
  }
  .intent-options {
    width: 100%;
    border-radius: 18px;
    gap: 6px;
  }
  .intent-option {
    min-width: 0;
    padding: 9px 10px;
    border-radius: 14px;
    text-align: center;
  }
  .intent-main {
    font-size: 13.5px;
  }
  .intent-sub {
    font-size: 10.5px;
    white-space: normal;
  }
  .wrap { padding: 0 24px; }
  .hero { padding: 52px 0 44px !important; }
  .hero h1 { font-size: 32px !important; }
  [data-dir="b"] .hero h1 { font-size: 33px !important; }
  .hero .sub { font-size: 17px; }
  .h2 { font-size: 24px; }
  .section { padding: 44px 0 !important; }
  .steps, .features, .tiers, .cases { grid-template-columns: 1fr !important; }
  .agent-grid { grid-template-columns: 1fr !important; gap: 28px !important; }
  .roi-steps { grid-template-columns: 1fr !important; gap: 10px; }
  .roi-step { display: grid !important; grid-template-columns: auto 1fr; column-gap: 14px; row-gap: 2px; padding: 15px 18px; align-items: baseline; }
  .roi-step .roi-k { grid-row: 1 / span 2; align-self: start; }
  .roi-step .roi-t { grid-column: 2; margin: 0; font-size: 16px; }
  .roi-step .roi-d { grid-column: 2; }
  .cmp-head { display: none; }
  .cmp-row { grid-template-columns: 1fr !important; gap: 6px; padding: 18px 20px; }
  .cmp-arrow { display: none; }
  .cmp-human { flex-direction: row; align-items: baseline; gap: 10px; flex-wrap: wrap; }
  .cmp-agent::before { content: "↳ 智能体替你做："; display: block; font-size: 12px; color: var(--clay-deep); font-weight: 700; margin-bottom: 2px; }
  .rung { flex-wrap: wrap; }
  .rung-main { min-width: 60%; }
  .rung-tag { margin-left: 36px; }
  .roi-panel { padding: 28px 22px !important; }
  .roi-lead { font-size: 15.5px; }
  .agent-points li { font-size: 15px; }
  .console-body { padding: 14px; }
  .console-row { padding: 13px 14px; }
  .console-row .crt { font-size: 14px; }
  .ctablock { grid-template-columns: 1fr !important; padding: 34px 26px !important; gap: 28px; }
  .ctablock h2 { font-size: 23px; }
  .cta-right { flex-direction: row; align-items: center; align-self: flex-start; }
  .case { padding: 26px 22px; }
  .pricebox .prow { flex-direction: column; align-items: flex-start; gap: 6px; }
  [data-dir="b"] .q-body, [data-dir="b"] .qlist { max-width: 100%; }
  [data-dir="b"] .qbubble { max-width: 86%; padding: 15px 18px; }
  [data-dir="b"] .qrow .qt { font-size: 16px; }
  [data-dir="b"] .q-body { max-width: 92%; padding: 18px 20px; }
  [data-dir="b"] .q-av, [data-dir="b"] .chat-av { width: 32px; height: 32px; }
  .btn { width: 100%; justify-content: center; }
  .btn-ghost { width: 100%; justify-content: center; }
  .cta-actions { width: 100%; flex-direction: column; }
  .price-anchor { flex-direction: column; align-items: flex-start; gap: 8px; padding: 16px 18px; }
  .pa-p { font-size: 20px; }
  [data-dir="b"] .hero-cta, .hero-cta { width: 100%; }
}