/* ==========================================================================
   tumbler.amz-guide.com · 全站统一样式
   8 段骨架视觉系统：作者卡 / 故事块 / 痛点对比 / 价值说明 / EasyClaw 卡 /
                    媒体槽 / 信号卡 / 双模式 / 量化标准表 / 综合结论 / 避坑 / FAQ
   设计源：sites/amz-tools/_demo/painpoints-tumbler-v3.html + market-tumbler-v1.html
   ========================================================================== */

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #334155;
  background: #f8fafc;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ── 头部 ── */
.az-header {
  background: #fff; border-bottom: 1px solid #e2e8f0;
  position: sticky; top: 0; z-index: 200;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.az-header-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; height: 56px; padding: 0 20px; gap: 24px;
}
.az-logo { display: flex; align-items: center; gap: 10px; }
.az-logo-mark {
  width: 38px; height: 38px; border-radius: 9px;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff; font-weight: 800; font-size: 14px;
  display: inline-flex; align-items: center; justify-content: center;
}
.az-logo-name {
  display: flex; flex-direction: column; line-height: 1.15;
  font-size: 17px; font-weight: 800; color: #0f172a;
}
.az-logo-name small {
  font-size: 11px; font-weight: 500; color: #94a3b8;
}
.az-nav {
  display: flex; align-items: center; gap: 18px; flex: 1;
  font-size: 14px; color: #475569;
}
.az-nav a { padding: 6px 8px; border-radius: 6px; transition: color .15s; }
.az-nav a:hover { color: #f97316; }
.az-nav a.active { color: #f97316; font-weight: 600; }
.az-nav .nav-soon { padding: 6px 8px; color: #cbd5e1; cursor: default; position: relative; }
.az-nav .nav-soon::after { content: "敬请期待"; display: none; position: absolute; top: 120%; left: 50%; transform: translateX(-50%); background: #1e293b; color: #fff; font-size: 11px; padding: 3px 8px; border-radius: 4px; white-space: nowrap; }
.az-nav .nav-soon:hover::after { display: block; }
.az-nav-cta {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff !important;
  padding: 8px 18px; border-radius: 7px; font-weight: 600;
}

/* ── 面包屑 ── */
.breadcrumb {
  padding: 14px 20px; font-size: 13px; color: #94a3b8;
  max-width: 1100px; margin: 0 auto;
}
.breadcrumb a:hover { color: #f97316; }
.breadcrumb span { margin: 0 6px; }

/* ── 流程进度条（选品 4 步）── */
.flow-bar {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 10px;
  padding: 14px 18px; margin-bottom: 24px;
  font-size: 13px; color: #64748b;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.flow-bar .label { color: #94a3b8; font-size: 12px; margin-right: 6px; }
.flow-bar a { color: #475569; }
.flow-bar a:hover { color: #f97316; }
.flow-bar .cur {
  background: #fff7ed; color: #c2410c;
  padding: 3px 10px; border-radius: 14px; font-weight: 600;
}
.flow-bar .arr { color: #cbd5e1; font-size: 11px; }

/* ── 主体布局 ── */
.main { padding: 24px 0 60px; }
.layout { display: grid; grid-template-columns: 1fr 280px; gap: 36px; }
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .toc-side { display: none; }
}
.article, .article-full {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 14px;
  padding: 40px;
}

/* ── 标题 ── */
h1 { font-size: 30px; color: #0f172a; line-height: 1.4; margin-bottom: 14px; }
h2 {
  font-size: 22px; color: #0f172a;
  margin: 48px 0 16px; padding: 8px 14px;
  background: linear-gradient(90deg, #fff7ed, transparent);
  border-left: 4px solid #f97316;
  border-radius: 0 6px 6px 0;
}
h3 { font-size: 17px; color: #0f172a; margin: 24px 0 12px; }
p { margin-bottom: 14px; font-size: 15.5px; color: #334155; line-height: 1.85; }

/* ── 元信息条 ── */
.meta-bar {
  display: flex; align-items: center; gap: 14px;
  font-size: 13px; color: #94a3b8;
  margin-bottom: 24px; flex-wrap: wrap;
}

/* ── 作者卡 ── */
.author-card {
  display: flex; align-items: center; gap: 12px;
  background: #fef3c7; border: 1px solid #fde68a; border-radius: 10px;
  padding: 12px 16px; margin-bottom: 24px; font-size: 14px;
}
.author-card .avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b, #ea580c);
  color: #fff; font-weight: 800; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.author-card .name { font-weight: 700; color: #92400e; }
.author-card .desc { color: #78350f; font-size: 13px; line-height: 1.5; }

/* ── 老 K 故事块（第一人称引用）── */
.story {
  background: #fffbeb; border: 1px solid #fde68a;
  border-left: 4px solid #f59e0b; border-radius: 8px;
  padding: 16px 20px; margin: 18px 0;
  font-size: 15px; color: #78350f; line-height: 1.8;
  font-style: italic;
}
.story::before {
  content: "老 K 说："; font-weight: 700; color: #92400e;
  margin-right: 6px; font-style: normal;
}

/* ── Skill 标签 ── */
.skill-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, #fef3c7, #fed7aa);
  color: #9a3412; padding: 2px 10px; border-radius: 12px;
  font-size: 13px; font-weight: 600; border: 1px solid #fdba74;
}
.skill-pill::before { content: "🔧"; font-size: 11px; }
.skill-id {
  display: inline-block; background: #0f172a; color: #7dd3fc;
  padding: 1px 8px; border-radius: 5px;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 12px; margin: 0 4px;
}

/* ── 痛点对比（手动 vs 工具）── */
.pain-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin: 16px 0 22px;
}
@media (max-width: 640px) {
  .pain-row { grid-template-columns: 1fr; }
}
.pain-card { border: 1px solid #e2e8f0; border-radius: 10px; padding: 18px 20px; }
.pain-card.bad { background: #fef2f2; border-color: #fecaca; }
.pain-card.good { background: #f0fdf4; border-color: #bbf7d0; }
.pain-card h4 { font-size: 15px; margin-bottom: 8px; }
.pain-card.bad h4 { color: #991b1b; }
.pain-card.good h4 { color: #166534; }
.pain-card p { font-size: 14px; margin: 0; color: #334155; line-height: 1.7; }

/* ── 价值说明对比（为什么用 EasyClaw）── */
.value-compare {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  margin: 18px 0 28px;
}
@media (max-width: 640px) {
  .value-compare { grid-template-columns: 1fr; }
}
.value-compare .col {
  padding: 18px 20px; border-radius: 10px; border: 1px solid;
  font-size: 14.5px; line-height: 1.85;
}
.value-compare .left {
  background: #f8fafc; border-color: #e2e8f0; color: #475569;
}
.value-compare .right {
  background: linear-gradient(135deg, #fff7ed, #fffbeb);
  border-color: #fdba74; color: #7c2d12;
}
.value-compare h4 {
  font-size: 15px; margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.value-compare .left h4 { color: #475569; }
.value-compare .right h4 { color: #9a3412; }

/* ── EasyClaw 实操卡（深色）── */
.easyclaw-action {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border-radius: 14px; padding: 0; margin: 20px 0;
  overflow: hidden;
}
.easyclaw-action .head {
  padding: 14px 22px;
  background: rgba(249,115,22,.15);
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 10px;
  color: #fed7aa; font-size: 13px; font-weight: 600;
}
.easyclaw-action .head .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 6px #22c55e;
}
.easyclaw-action .body {
  padding: 20px 26px; color: #e2e8f0;
  font-size: 14.5px; line-height: 1.85;
}
.easyclaw-action .body strong { color: #fff; }
.easyclaw-action .prompt {
  background: rgba(255,255,255,.06);
  border-left: 3px solid #f97316;
  padding: 14px 18px; border-radius: 0 8px 8px 0;
  margin: 14px 0; color: #fed7aa;
  font-size: 14px; line-height: 1.7;
}
.easyclaw-action .cmd {
  background: #020617; color: #7dd3fc;
  padding: 10px 14px; border-radius: 6px;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 12.5px; display: block;
  overflow-x: auto; margin: 8px 0;
}

/* ── 媒体素材槽位 ── */
.media-slot {
  margin: 18px 0; border: 2px dashed #cbd5e1;
  border-radius: 12px; padding: 36px 28px;
  text-align: center;
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  position: relative;
}
.media-slot.gif { border-color: #fbbf24; background: linear-gradient(135deg, #fffbeb, #fef3c7); }
.media-slot.report { border-color: #10b981; background: linear-gradient(135deg, #f0fdf4, #dcfce7); }
.media-slot.chart { border-color: #a855f7; background: linear-gradient(135deg, #faf5ff, #f3e8ff); }
.media-slot.json { border-color: #0ea5e9; background: linear-gradient(135deg, #f0f9ff, #e0f2fe); text-align: left; padding: 0; border-style: solid; }
.media-slot .badge {
  position: absolute; top: -12px; left: 20px;
  background: #475569; color: #fff;
  padding: 3px 12px; border-radius: 14px;
  font-size: 12px; font-weight: 600;
}
.media-slot.gif .badge { background: #f59e0b; }
.media-slot.report .badge { background: #10b981; }
.media-slot.chart .badge { background: #a855f7; }
.media-slot.json .badge { background: #0ea5e9; }
.media-slot .icon { font-size: 36px; margin-bottom: 8px; display: block; }
.media-slot .title { font-size: 15px; color: #0f172a; font-weight: 600; margin-bottom: 6px; }
.media-slot .meta { font-size: 13px; color: #64748b; line-height: 1.7; }
.media-slot .meta code {
  background: #fff; padding: 1px 6px; border-radius: 4px;
  font-size: 12px; color: #475569; border: 1px solid #e2e8f0;
}

/* ── JSON 代码块 ── */
.json-code {
  background: #0f172a; color: #cbd5e1;
  border-radius: 0 0 12px 12px; padding: 18px 22px;
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: 13px; line-height: 1.7; overflow-x: auto;
}
.json-code .k { color: #7dd3fc; }
.json-code .s { color: #86efac; }
.json-code .n { color: #fbbf24; }
.json-code .c { color: #64748b; font-style: italic; }
.json-code .head-bar {
  display: flex; align-items: center; justify-content: space-between;
  background: #1e293b; margin: -18px -22px 14px;
  padding: 8px 20px; border-bottom: 1px solid #334155;
  font-size: 12px; color: #94a3b8;
}
.json-code .head-bar .tag {
  background: #0891b2; color: #fff;
  padding: 2px 8px; border-radius: 4px;
  font-weight: 600; font-size: 11px;
}

/* ── 报告片段（Markdown 风格）── */
.report-snippet {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 10px;
  margin: 18px 0; overflow: hidden;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.report-snippet .head {
  padding: 10px 18px; background: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
  font-size: 13px; color: #64748b;
  display: flex; align-items: center; gap: 8px;
}
.report-snippet .head::before { content: "📄"; font-size: 14px; }
.report-snippet .head .pill {
  background: #dcfce7; color: #166534;
  padding: 2px 8px; border-radius: 10px;
  font-size: 11px; font-weight: 700; margin-left: auto;
}
.report-snippet .body { padding: 24px 28px; font-size: 14px; color: #334155; line-height: 1.85; }
.report-snippet .body h3 {
  font-size: 16px; color: #0f172a;
  margin: 0 0 10px; padding-bottom: 8px;
  border-bottom: 1px solid #e2e8f0;
}
.report-snippet .body h4 { font-size: 14px; color: #475569; margin: 14px 0 6px; }
.report-snippet .body code {
  background: #fef3c7; color: #9a3412;
  padding: 1px 6px; border-radius: 4px; font-size: 13px;
}
.report-snippet .body .verdict {
  margin: 12px 0; padding: 10px 14px;
  border-radius: 6px; font-size: 13.5px;
}
.report-snippet .body .v-good {
  background: #f0fdf4; color: #166534; border-left: 3px solid #22c55e;
}
.report-snippet .body .v-mid {
  background: #fef3c7; color: #92400e; border-left: 3px solid #f59e0b;
}
.report-snippet .body .v-bad {
  background: #fef2f2; color: #991b1b; border-left: 3px solid #ef4444;
}

/* ── 8 维数据卡 ── */
.eight-dim {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
  margin: 18px 0 28px;
}
@media (max-width: 640px) {
  .eight-dim { grid-template-columns: 1fr; }
}
.dim {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 10px;
  padding: 14px 16px; display: flex; gap: 12px; align-items: flex-start;
}
.dim .num {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px;
  background: #fff7ed; color: #ea580c;
  font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.dim .body { flex: 1; }
.dim h4 { font-size: 14px; color: #0f172a; margin-bottom: 4px; }
.dim p { font-size: 13px; color: #64748b; line-height: 1.7; margin: 0; }

/* ── 量化判断标准表 ── */
.criteria {
  background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 10px;
  padding: 16px 20px; margin: 18px 0 26px;
}
.criteria h4 {
  font-size: 14px; color: #0f172a;
  margin-bottom: 10px; display: flex; align-items: center; gap: 6px;
}
.criteria h4::before { content: "📐"; }
.criteria table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.criteria th {
  text-align: left; padding: 8px 10px;
  color: #64748b; font-weight: 600; font-size: 12px;
  border-bottom: 1px solid #e2e8f0;
}
.criteria td { padding: 7px 10px; color: #475569; border-bottom: 1px solid #f1f5f9; }
.criteria td:nth-child(2) { color: #16a34a; font-weight: 600; }
.criteria td:nth-child(3) { color: #d97706; font-weight: 600; }
.criteria td:nth-child(4) { color: #dc2626; font-weight: 600; }

/* ── 综合结论卡 ── */
.verdict-final {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border: 1px solid #86efac; border-radius: 14px;
  padding: 24px 28px; margin: 24px 0; color: #14532d;
}
.verdict-final h3 {
  font-size: 17px; color: #15803d; margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.verdict-final h3::before { content: "🎯"; }
.verdict-final p {
  margin-bottom: 8px; font-size: 15px;
  color: #166534; line-height: 1.85;
}
.verdict-final .score {
  display: inline-block; background: #16a34a;
  color: #fff; padding: 4px 12px; border-radius: 10px;
  font-weight: 700; font-size: 14px; margin-left: 8px;
}

/* ── 信号卡（教你读懂结果）── */
.signals {
  display: flex; flex-direction: column; gap: 12px;
  margin: 18px 0 26px;
}
.signal {
  display: flex; gap: 14px;
  background: #fff; border: 1px solid #e2e8f0; border-radius: 10px;
  padding: 16px 20px;
}
.signal .num {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: #2563eb; color: #fff;
  font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
.signal .body { flex: 1; }
.signal h4 { font-size: 15px; color: #0f172a; margin-bottom: 4px; }
.signal p { font-size: 14px; color: #475569; margin: 0; line-height: 1.75; }

/* ── 双模式分叉 ── */
.dual-fork {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  margin: 18px 0 28px;
}
@media (max-width: 640px) {
  .dual-fork { grid-template-columns: 1fr; }
}
.fork {
  border-radius: 12px; padding: 20px 22px; border: 1px solid;
  font-size: 14.5px; line-height: 1.8;
}
.fork.fba { background: #fff7ed; border-color: #fed7aa; color: #7c2d12; }
.fork.dropship { background: #ecfeff; border-color: #a5f3fc; color: #155e75; }
.fork .badge {
  display: inline-block; font-size: 12px; font-weight: 700;
  padding: 3px 10px; border-radius: 12px; margin-bottom: 10px;
}
.fork.fba .badge { background: #ea580c; color: #fff; }
.fork.dropship .badge { background: #0891b2; color: #fff; }
.fork h4 { font-size: 15.5px; margin-bottom: 8px; color: inherit; }
.fork strong { color: #0f172a; }

/* ── 避坑笔记 ── */
.notes {
  background: #fef2f2; border: 1px solid #fecaca; border-radius: 10px;
  padding: 18px 22px; margin: 24px 0;
}
.notes h3 {
  color: #991b1b; font-size: 16px; margin: 0 0 12px;
  display: flex; align-items: center; gap: 8px;
}
.notes h3::before { content: "⚠️"; }
.notes ul { list-style: none; padding: 0; margin: 0; }
.notes li {
  font-size: 14.5px; color: #7f1d1d; line-height: 1.8;
  padding-left: 20px; position: relative; margin-bottom: 8px;
}
.notes li::before {
  content: "●"; color: #dc2626;
  position: absolute; left: 6px; top: 0;
}

/* ── 衔接下一步 ── */
.next-step {
  background: linear-gradient(135deg, #fff7ed, #fef3c7);
  border: 1px solid #fed7aa; border-radius: 14px;
  padding: 24px 28px; margin: 28px 0;
  display: flex; align-items: center; gap: 20px;
}
.next-step .icon { font-size: 36px; flex-shrink: 0; }
.next-step h3 { font-size: 17px; color: #9a3412; margin-bottom: 6px; }
.next-step p { font-size: 14px; color: #7c2d12; margin: 0; line-height: 1.7; }
.next-step a {
  color: #ea580c; font-weight: 700;
  text-decoration: underline; text-underline-offset: 3px;
}

/* ── 下载样本 ── */
.download-sample, .download-report {
  background: linear-gradient(135deg, #ecfeff, #f0f9ff);
  border: 1px solid #a5f3fc; border-radius: 10px;
  padding: 18px 22px; margin: 20px 0;
  display: flex; align-items: center; gap: 18px;
}
.download-sample .icon, .download-report .icon { font-size: 36px; flex-shrink: 0; }
.download-sample .info, .download-report .info { flex: 1; }
.download-sample h4, .download-report h4 { font-size: 15px; color: #155e75; margin-bottom: 4px; }
.download-sample p, .download-report p { font-size: 13px; color: #0e7490; margin: 0; line-height: 1.6; }
.download-sample a, .download-report a {
  display: inline-block; background: #0891b2; color: #fff;
  padding: 9px 20px; border-radius: 7px;
  font-weight: 600; font-size: 13.5px; flex-shrink: 0;
}

/* ── FAQ ── */
.faq { margin: 18px 0 10px; }
.faq-item {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 10px;
  margin-bottom: 12px; overflow: hidden;
}
.faq-q {
  padding: 14px 20px; font-weight: 600; color: #0f172a;
  font-size: 15px; background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}
.faq-a { padding: 14px 20px; font-size: 14px; color: #475569; line-height: 1.85; }

/* ── 文末工具 CTA ── */
.tool-bottom {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border-radius: 14px; padding: 28px 30px;
  margin: 32px 0 0; color: #fff; text-align: center;
}
.tool-bottom h3 { color: #fff; font-size: 19px; margin-bottom: 8px; }
.tool-bottom p { color: #cbd5e1; font-size: 14px; margin-bottom: 18px; }
.tool-bottom .btn {
  display: inline-block;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff; padding: 12px 30px; border-radius: 8px;
  font-weight: 600; font-size: 15px;
}

/* ── 概念词内链 ── */
.concept-link {
  color: #2563eb;
  border-bottom: 1px dashed #93c5fd;
  font-weight: 500;
}

/* ── 侧栏 TOC ── */
.toc-side { position: sticky; top: 80px; align-self: start; }
.toc-card {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 12px;
  padding: 18px;
}
.toc-card h4 {
  font-size: 13px; color: #94a3b8; margin-bottom: 12px;
  text-transform: uppercase; letter-spacing: .5px;
}
.toc-card a {
  display: block; font-size: 13.5px; color: #475569;
  padding: 7px 10px; border-left: 2px solid transparent; line-height: 1.5;
}
.toc-card a:hover, .toc-card a.active {
  color: #f97316; border-left-color: #f97316; background: #fff7ed;
}
.toc-card + .toc-card { margin-top: 14px; }

/* ── 页脚 ── */
.footer {
  background: #0f172a; color: #94a3b8;
  padding: 36px 0; font-size: 13px; margin-top: 40px;
}
.footer .container {
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 24px;
}
.footer h4 { color: #fff; font-size: 14px; margin-bottom: 10px; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 6px; }
.footer a:hover { color: #fff; }
.footer-mini {
  background: #020617; color: #64748b;
  text-align: center; padding: 14px 20px;
  font-size: 12px;
}
.footer-mini a { color: #94a3b8; margin: 0 8px; }

/* ── 通用辅助 ── */
.consequence {
  background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 8px;
  padding: 14px 20px; color: #166534;
  font-weight: 500; font-size: 15px; line-height: 1.85;
  margin: 14px 0;
}
.tag-hi { background: #fef2f2; color: #991b1b; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.tag-mid { background: #fef3c7; color: #92400e; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.tag-low { background: #f0fdf4; color: #166534; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.bar {
  display: inline-block; height: 14px;
  background: linear-gradient(90deg, #ef4444, #f97316);
  border-radius: 3px; vertical-align: middle; margin-right: 8px;
}

/* ============================================================
   首页门户布局（home_mode）
   ============================================================ */
.home-main { width: 100%; }

/* Hero */
.home-hero {
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 45%, #fef3c7 100%);
  border-bottom: 1px solid #fed7aa;
  padding: 56px 0 48px;
  text-align: center;
}
.home-hero-badge {
  display: inline-block; background: #fff; border: 1px solid #fdba74;
  color: #c2410c; font-size: 13px; font-weight: 600;
  padding: 6px 16px; border-radius: 20px; margin-bottom: 22px;
}
.home-hero h1 {
  font-size: 42px; line-height: 1.25; color: #0f172a;
  margin-bottom: 18px; font-weight: 800; border: none; padding: 0;
}
.home-hero-sub {
  font-size: 17px; color: #57534e; max-width: 680px;
  margin: 0 auto 30px; line-height: 1.85;
}
.home-hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.btn-primary {
  background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff;
  padding: 14px 34px; font-size: 16px; font-weight: 700;
  border-radius: 9px; box-shadow: 0 6px 18px rgba(249,115,22,.32);
  transition: transform .15s, box-shadow .15s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(249,115,22,.42); color: #fff; }
.btn-ghost {
  background: #fff; color: #0f172a; border: 2px solid #fed7aa;
  padding: 12px 28px; font-size: 15px; font-weight: 600; border-radius: 9px;
}
.btn-ghost:hover { border-color: #f97316; color: #c2410c; }
.home-hero-stats {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
  max-width: 720px; margin: 0 auto;
}
.home-hero-stats .stat { display: flex; flex-direction: column; align-items: center; }
.home-hero-stats .n { font-size: 34px; font-weight: 800; color: #ea580c; line-height: 1; }
.home-hero-stats .t { font-size: 13px; color: #78716c; margin-top: 6px; }

/* 通用 section */
.home-section { padding: 56px 0; }
.home-section.alt { background: #f8fafc; }
.home-section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.home-section-head .kicker {
  display: inline-block; color: #ea580c; font-size: 13px; font-weight: 700;
  letter-spacing: .5px; text-transform: uppercase; margin-bottom: 10px;
}
.home-section-head h2 { font-size: 30px; color: #0f172a; border: none; padding: 0; margin-bottom: 12px; }
.home-section-head p { font-size: 15px; color: #64748b; line-height: 1.8; }
.home-section-foot { text-align: center; margin-top: 32px; }
.link-more { color: #ea580c; font-weight: 600; font-size: 15px; }
.link-more:hover { text-decoration: underline; }

/* 文章卡片网格 */
.article-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.article-card {
  display: flex; gap: 18px; background: #fff; border: 1px solid #e2e8f0;
  border-radius: 14px; padding: 26px; transition: transform .15s, box-shadow .15s, border-color .15s;
}
.article-card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(15,23,42,.1); border-color: #fdba74; }
.ac-num {
  font-size: 30px; font-weight: 800; color: #fdba74;
  flex-shrink: 0; line-height: 1; font-variant-numeric: tabular-nums;
}
.ac-body h3 { font-size: 19px; color: #0f172a; margin-bottom: 8px; }
.ac-body p { font-size: 14px; color: #64748b; line-height: 1.7; margin-bottom: 12px; }
.ac-skill {
  display: inline-block; background: #fff7ed; color: #c2410c;
  font-size: 12.5px; font-weight: 600; padding: 4px 12px; border-radius: 14px;
}

/* 路线图横向时间轴 */
.roadmap { display: flex; align-items: stretch; gap: 0; max-width: 920px; margin: 0 auto; position: relative; }
.rm-step {
  flex: 1; text-align: center; padding: 0 8px; position: relative;
}
.rm-step::before {
  content: ""; position: absolute; top: 22px; left: 50%; width: 100%; height: 3px;
  background: #e2e8f0; z-index: 0;
}
.rm-step:last-child::before { display: none; }
.rm-step.done::before { background: #fdba74; }
.rm-dot {
  width: 46px; height: 46px; border-radius: 50%; background: #e2e8f0; color: #94a3b8;
  font-weight: 800; font-size: 18px; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; position: relative; z-index: 1; border: 3px solid #f8fafc;
}
.rm-step.done .rm-dot { background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; }
.rm-label { font-size: 14px; font-weight: 700; color: #0f172a; margin-bottom: 4px; }
.rm-status { font-size: 12px; color: #94a3b8; }
.rm-step.done .rm-status { color: #16a34a; font-weight: 600; }
a.rm-step:hover .rm-dot { transform: scale(1.08); }
a.rm-step:hover .rm-label { color: #ea580c; }

/* 两栏（概念 + 双模式） */
.home-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.col-title { font-size: 18px; color: #0f172a; margin-bottom: 18px; }
.concept-list { display: flex; flex-direction: column; gap: 10px; }
.concept-row {
  display: flex; align-items: center; background: #fff; border: 1px solid #e2e8f0;
  border-radius: 10px; padding: 14px 18px; font-size: 15px; color: #475569; transition: all .15s;
}
.concept-row strong { color: #ea580c; margin-right: 6px; }
.concept-row span { margin-left: auto; color: #cbd5e1; font-weight: 700; }
.concept-row:hover { border-color: #fdba74; background: #fff7ed; }
.mode-mini { display: flex; flex-direction: column; gap: 12px; }
.mm-card { border-radius: 10px; padding: 16px 18px; border: 1px solid; }
.mm-card.fba { background: #fff7ed; border-color: #fed7aa; }
.mm-card.drop { background: #eff6ff; border-color: #bfdbfe; }
.mm-badge { font-weight: 700; font-size: 14px; }
.mm-card p { font-size: 14px; color: #475569; margin-top: 6px; line-height: 1.6; }
.mm-card small { color: #94a3b8; }

/* 关于条 */
.home-about { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.about-author { display: flex; gap: 16px; align-items: center; }
.aa-avatar {
  width: 56px; height: 56px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #f59e0b, #ea580c); color: #fff;
  font-weight: 800; font-size: 24px; display: flex; align-items: center; justify-content: center;
}
.aa-name { font-weight: 700; color: #0f172a; font-size: 16px; margin-bottom: 4px; }
.aa-desc { font-size: 13.5px; color: #64748b; line-height: 1.7; }
.about-tool { background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 22px; }
.about-tool h4 { font-size: 16px; color: #0f172a; margin-bottom: 8px; }
.about-tool p { font-size: 14px; color: #64748b; line-height: 1.7; margin-bottom: 14px; }

/* 响应式 */
@media (max-width: 820px) {
  .home-hero h1 { font-size: 32px; }
  .article-grid { grid-template-columns: 1fr; }
  .home-two-col, .home-about { grid-template-columns: 1fr; }
  .home-hero-stats { gap: 28px; }
  .roadmap { flex-wrap: wrap; gap: 18px; }
  .rm-step { flex: 0 0 28%; }
  .rm-step::before { display: none; }
}


/* 真实演示视频 */
.demo-video { margin: 24px 0 32px; border-radius: 12px; overflow: hidden; border: 1px solid #e2e8f0; box-shadow: 0 4px 18px rgba(15,23,42,.08); background: #0f172a; }
.demo-video video { width: 100%; display: block; aspect-ratio: 16 / 10; object-fit: contain; background: #0f172a; }
.demo-video figcaption { padding: 14px 20px; font-size: 13.5px; color: #64748b; line-height: 1.7; background: #fff; }


/* 真实报告截图 */
.report-shot { margin: 20px 0 28px; border-radius: 12px; overflow: hidden; border: 1px solid #e2e8f0; box-shadow: 0 4px 18px rgba(15,23,42,.08); }
.report-shot img { width: 100%; display: block; }
.report-shot figcaption { padding: 12px 18px; font-size: 13px; color: #64748b; line-height: 1.7; background: #f8fafc; border-top: 1px solid #e2e8f0; }

/* 三层洞察卡片 */
.insight-card { border-radius: 10px; padding: 16px 20px; margin: 14px 0; border: 1px solid; }
.insight-card h4 { font-size: 15.5px; margin-bottom: 8px; }
.insight-card ul { margin: 0; padding-left: 22px; }
.insight-card li { font-size: 14px; line-height: 1.8; color: #475569; }
.insight-card.red { background: #fef2f2; border-color: #fecaca; }
.insight-card.red h4 { color: #b91c1c; }
.insight-card.yellow { background: #fffbeb; border-color: #fde68a; }
.insight-card.yellow h4 { color: #b45309; }
.insight-card.green { background: #f0fdf4; border-color: #bbf7d0; }
.insight-card.green h4 { color: #15803d; }


/* ===== 语言切换按钮（方案A 中/EN）===== */
.az-nav-inner-spacer { flex: 0; }
.lang-switch {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; padding: 6px 12px; margin-right: 4px;
  border: 1px solid #f97316; border-radius: 7px;
  color: #f97316 !important; font-weight: 600; font-size: 13px;
  line-height: 1; transition: background .15s, color .15s;
}
.lang-switch:hover { background: #f97316; color: #fff !important; }
@media (max-width: 640px) {
  .lang-switch { min-width: 34px; padding: 5px 9px; font-size: 12px; }
}

/* en page: nav-soon tooltip in English */
html[lang="en"] .az-nav .nav-soon::after { content: "Coming soon"; }


/* ===== 真实素材图/视频容器 ===== */
.media-fig {
  margin: 24px 0; padding: 0; border: 1px solid #e2e8f0;
  border-radius: 10px; overflow: hidden; background: #f8fafc;
}
.media-fig img, .media-fig video {
  display: block; width: 100%; height: auto; border: 0;
}
.media-fig figcaption {
  padding: 10px 14px; font-size: 13px; color: #64748b;
  background: #fff; border-top: 1px solid #e2e8f0; line-height: 1.6;
}

.media-figs2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
.media-figs2 .media-fig{margin:0}
@media(max-width:640px){.media-figs2{grid-template-columns:1fr}}