/* Planvance 主题页共享样式。令牌与门户 portal/index.vue 保持一致。 */
:root {
  --accent: #fcb415;
  --accent-hover: #fcc343;
  --label: #1d1d1f;
  --secondary: #6e6e73;
  --tertiary: #86868b;
  --separator: #d2d2d7;
  --surface: #f5f5f7;
  --canvas: #fbfbfd;
  --success: #54b064;
  --destructive: #ff1238;
  --radius: 18px;
  --container: 1152px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--label);
  /* 英中混排字体栈：拉丁字形优先取系统 UI 字体，中文由后置 CJK 字体兜底。
     原栈以 'Noto Sans SC' 打头，导致英文正文落到中文字体的拉丁字形上，字重与字距偏软。 */
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto,
    'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC',
    'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; letter-spacing: 0; }
p { margin: 0; }

.seo-skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--label); color: #fff; padding: 10px 16px; z-index: 100;
}
.seo-skip:focus { left: 8px; top: 8px; }

.seo-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.seo-container--narrow { max-width: 820px; }

/* ========= Header ========= */
.seo-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(210, 210, 215, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.seo-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  height: 56px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.seo-brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 16px; font-weight: 600; letter-spacing: -0.01em;
  white-space: nowrap;
}
.seo-brand__mark {
  width: 10px; height: 10px; border-radius: 3px;
  background: var(--accent); flex-shrink: 0;
}
.seo-nav {
  display: flex; align-items: center; gap: 20px;
  margin-right: auto; font-size: 13px; color: var(--secondary);
}
.seo-nav a { transition: color 0.2s; }
.seo-nav a:hover, .seo-nav a[aria-current='page'] { color: var(--label); }
.seo-nav a[aria-current='page'] { font-weight: 500; }
.seo-actions { display: flex; align-items: center; gap: 8px; }
.seo-lang {
  padding: 6px 10px; border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px; color: var(--secondary);
  transition: color 0.2s, border-color 0.2s;
}
.seo-lang:hover { color: var(--label); border-color: var(--separator); }
.seo-signin {
  padding: 6px 16px; border-radius: 999px;
  border: 1px solid var(--separator);
  font-size: 13px; font-weight: 500;
  transition: border-color 0.2s, background-color 0.2s;
}
.seo-signin:hover { border-color: rgba(29, 29, 31, 0.35); background: rgba(0, 0, 0, 0.02); }
.seo-register {
  padding: 6px 16px; border-radius: 999px;
  background: var(--accent); color: var(--label);
  font-size: 13px; font-weight: 500;
  transition: background-color 0.2s;
}
.seo-register:hover { background: var(--accent-hover); }

/* ========= Buttons ========= */
.btn {
  display: inline-block; padding: 12px 28px;
  border-radius: 999px;
  font-size: 16px; font-weight: 500;
  text-align: center;
  transition: background-color 0.2s, color 0.2s;
}
/* 品牌黄上的文字改用墨色：白字在 #fcb415 上对比度仅约 1.9:1，阅读吃力且显廉价。 */
.btn--primary { background: var(--accent); color: var(--label); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--ghost { color: var(--secondary); padding: 12px 0; }
.btn--ghost:hover { color: var(--label); }

/* ========= Hero ========= */
.seo-hero {
  background: var(--canvas);
  border-bottom: 1px solid rgba(210, 210, 215, 0.45);
}
.seo-hero__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 24px 72px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.seo-hero__copy { min-width: 0; }
.seo-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--tertiary);
  margin-bottom: 28px;
}
.seo-breadcrumb a:hover { color: var(--label); }
.seo-eyebrow {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--secondary);
}
.seo-title {
  margin-top: 14px;
  font-size: 54px; line-height: 1.08; font-weight: 600;
  letter-spacing: -0.02em;
}
.seo-lede {
  margin-top: 20px;
  font-size: 19px; line-height: 1.6;
  color: var(--secondary);
  max-width: 600px;
}
.seo-cta {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 12px 24px; margin-top: 32px;
}
.seo-bullets {
  list-style: none; padding: 0;
  margin: 28px 0 0;
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  font-size: 14px; color: var(--secondary);
}
.seo-bullets li { display: inline-flex; align-items: center; gap: 7px; }
.seo-bullets li::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--success); flex-shrink: 0;
}

/* ========= Hero visual ========= */
.seo-visual {
  min-width: 0;
  background: #fff;
  border: 1px solid rgba(210, 210, 215, 0.75);
  border-radius: 20px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.07);
  overflow: hidden;
}
.seo-visual__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 16px 20px;
  border-bottom: 1px solid rgba(210, 210, 215, 0.6);
  font-size: 13px; font-weight: 500;
}
.seo-visual__badge {
  padding: 4px 10px; border-radius: 999px;
  background: rgba(84, 176, 100, 0.1); color: #2f7d3d;
  font-size: 12px; white-space: nowrap;
}
.seo-visual__body { overflow-x: auto; }
.seo-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.seo-table th, .seo-table td {
  padding: 12px 16px; text-align: left;
  border-bottom: 1px solid rgba(210, 210, 215, 0.5);
  white-space: nowrap;
}
.seo-table th {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--tertiary); background: rgba(245, 245, 247, 0.6);
}
.seo-table tr:last-child td { border-bottom: none; }
.seo-table td:first-child { color: var(--label); font-weight: 500; }
.seo-table td:not(:first-child) { color: var(--secondary); }
.seo-table td.seo-tone-short { color: var(--destructive); font-weight: 600; }
.seo-table td.seo-tone-warn { color: #b26a00; font-weight: 600; }
.seo-table td.seo-tone-ok { color: #2f7d3d; font-weight: 600; }

/* ========= Sections ========= */
.seo-section { padding: 80px 0; scroll-margin-top: 72px; }
.seo-section--surface { background: var(--surface); }
.seo-section h2 {
  font-size: 36px; line-height: 1.2; font-weight: 600;
  margin-bottom: 20px;
}
.seo-prose { max-width: 820px; }
.seo-prose p {
  font-size: 17px; line-height: 1.75;
  color: var(--secondary);
}
.seo-prose p + p { margin-top: 16px; }
.seo-list-block { margin-top: 28px; }
.seo-list-block h3 {
  font-size: 15px; font-weight: 600;
  color: var(--label); margin-bottom: 10px;
}
.seo-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.seo-list li {
  position: relative; padding-left: 22px;
  font-size: 15px; color: var(--secondary);
}
.seo-list li::before {
  content: ''; position: absolute; left: 2px; top: 9px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.seo-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px; margin-top: 32px;
}
.seo-card {
  background: #fff;
  border: 1px solid var(--separator);
  border-radius: 16px;
  padding: 24px;
}
.seo-section--surface .seo-card { border-color: rgba(210, 210, 215, 0.8); }
.seo-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.seo-card p { font-size: 15px; line-height: 1.65; color: var(--secondary); }

/* ========= FAQ ========= */
.seo-faq {
  margin-top: 32px;
  border-top: 1px solid var(--separator);
}
.seo-faq details { border-bottom: 1px solid var(--separator); }
.seo-faq summary {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 24px; padding: 22px 0;
  font-size: 17px; font-weight: 500; line-height: 1.5;
  cursor: pointer; list-style: none;
}
.seo-faq summary::-webkit-details-marker { display: none; }
.seo-faq summary::after {
  content: '+'; flex-shrink: 0;
  font-size: 22px; font-weight: 400; line-height: 1;
  color: var(--tertiary);
}
.seo-faq details[open] summary::after { content: '\2212'; }
.seo-faq details p {
  margin: 0 0 22px;
  font-size: 15px; line-height: 1.75;
  color: var(--secondary);
  max-width: 740px;
}

/* ========= Related ========= */
.seo-related { padding: 72px 0; background: var(--surface); }
.seo-related h2 { font-size: 28px; font-weight: 600; margin-bottom: 24px; }
.seo-related__grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.seo-related__card {
  display: flex; flex-direction: column; gap: 8px;
  background: #fff; border: 1px solid var(--separator);
  border-radius: 16px; padding: 22px;
  transition: border-color 0.2s, transform 0.2s;
}
.seo-related__card:hover { border-color: rgba(29, 29, 31, 0.3); transform: translateY(-2px); }
.seo-related__card h3 { font-size: 16px; font-weight: 600; }
.seo-related__card p { font-size: 14px; line-height: 1.6; color: var(--secondary); }
.seo-related__card span { margin-top: 4px; font-size: 13px; color: var(--accent); }

/* ========= CTA band ========= */
.seo-band { background: var(--label); color: #fff; padding: 72px 0; text-align: center; }
.seo-band h2 { font-size: 36px; line-height: 1.2; font-weight: 600; }
.seo-band p {
  max-width: 620px; margin: 16px auto 0;
  font-size: 17px; line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}
.seo-band .btn { margin-top: 32px; }

/* ========= Footer ========= */
.seo-footer {
  padding: 56px 0 32px;
  border-top: 1px solid var(--separator);
}
.seo-footer__top {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, minmax(0, 1fr));
  gap: 40px;
}
.seo-footer__tag {
  margin-top: 12px;
  font-size: 13px; line-height: 1.6;
  color: var(--secondary);
  max-width: 260px;
}
.seo-footer__col h3 {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--tertiary);
  margin-bottom: 12px;
}
.seo-footer__col a {
  display: block;
  font-size: 13px; color: var(--secondary);
  padding: 4px 0;
  transition: color 0.2s;
}
.seo-footer__col a:hover { color: var(--label); }
.seo-footer__bottom {
  margin-top: 40px; padding-top: 20px;
  border-top: 1px solid var(--separator);
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: 8px 24px;
  font-size: 12px; color: var(--tertiary);
}

/* ========= Responsive ========= */
@media (max-width: 1080px) {
  .seo-nav { display: none; }
  .seo-header__inner { justify-content: space-between; }
  .seo-hero__inner { gap: 32px; }
}
@media (max-width: 960px) {
  .seo-hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 24px 56px;
  }
  .seo-title { font-size: 42px; }
  .seo-lede { font-size: 18px; }
  .seo-section { padding: 56px 0; }
  .seo-section h2 { font-size: 30px; }
  .seo-related__grid { grid-template-columns: 1fr; }
  .seo-footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
}
@media (max-width: 640px) {
  .seo-header__inner { padding: 0 16px; gap: 12px; }
  .seo-signin { display: none; }
  .seo-title { font-size: 34px; }
  .seo-lede { font-size: 17px; }
  .seo-hero__inner { padding: 36px 16px 48px; }
  .seo-container { padding: 0 16px; }
  .seo-grid { grid-template-columns: 1fr; }
  .seo-section h2 { font-size: 26px; }
  .seo-band h2 { font-size: 28px; }
  .seo-band { padding: 56px 0; }
  .seo-footer__top { grid-template-columns: 1fr; gap: 28px; }
  .seo-table { font-size: 11.5px; }
  .seo-table th, .seo-table td { padding: 10px 8px; white-space: normal; }
  .seo-table th { font-size: 9.5px; letter-spacing: 0.03em; }
  .seo-table td:first-child { min-width: 96px; }
  .seo-visual { border-radius: 16px; }
  .seo-faq summary { font-size: 16px; padding: 18px 0; }
  .btn { padding: 11px 24px; font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .seo-related__card { transition: none; }
}

/* ---------- 同意条（Consent Mode v2，见 /consent.js） ---------- */
.consent {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  background: rgba(251, 251, 253, 0.97);
  border-top: 1px solid var(--separator);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.consent__inner {
  max-width: var(--container); margin: 0 auto;
  padding: 16px 24px;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.consent__text {
  flex: 1 1 420px;
  margin: 0;
  font-size: 13px; line-height: 1.6;
  color: var(--secondary);
}
.consent__text strong { color: var(--label); font-weight: 600; }
.consent__text a {
  color: var(--label);
  text-decoration: underline; text-underline-offset: 2px;
  text-decoration-color: rgba(29, 29, 31, 0.3);
}
.consent__text a:hover { text-decoration-color: var(--accent); }
.consent__actions { display: flex; gap: 8px; flex-shrink: 0; }
.consent__btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--separator);
  background: #fff; color: var(--label);
  font-family: inherit; font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}
.consent__btn:hover { border-color: rgba(29, 29, 31, 0.35); }
.consent__btn--accept {
  background: var(--accent); border-color: var(--accent);
}
.consent__btn--accept:hover {
  background: var(--accent-hover); border-color: var(--accent-hover);
}
/* 避免固定条压住页脚内容 */
body.pv-consent-open { padding-bottom: 92px; }
@media (max-width: 640px) {
  .consent__inner { padding: 14px 16px; gap: 12px; }
  .consent__text { flex: 1 1 100%; font-size: 12.5px; }
  .consent__actions { width: 100%; }
  .consent__btn { flex: 1; padding: 10px 16px; }
  body.pv-consent-open { padding-bottom: 152px; }
}

/* ==========================================================================
   2026-10 运营扩展组件
   定价页 / 对比页 / 内容页 / 工具页。以下均为新增类，不覆盖既有规则。
   ========================================================================== */

/* ---------- 单栏 Hero（无右侧可视化时使用） ---------- */
.seo-hero__inner--single {
  grid-template-columns: minmax(0, 1fr);
  padding-bottom: 64px;
}
.seo-hero__inner--single .seo-lede { max-width: 720px; }

/* ---------- 区块标题组 ---------- */
.section-head { max-width: 780px; }
.section-head p {
  margin-top: 14px;
  font-size: 17px; line-height: 1.7;
  color: var(--secondary);
}
.section-head + .price-grid,
.section-head + .cmp-wrap,
.section-head + .hub-grid { margin-top: 36px; }

/* ---------- 定价 ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  max-width: 920px;
}
.price-card {
  position: relative;
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--separator);
  border-radius: 20px;
  padding: 32px;
}
.price-card--focus {
  border-color: rgba(29, 29, 31, 0.28);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.07);
}
.price-card__flag {
  position: absolute; top: -11px; left: 32px;
  padding: 4px 11px; border-radius: 999px;
  background: var(--label); color: #fff;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.price-card__name {
  font-size: 15px; font-weight: 600;
  letter-spacing: 0.02em;
}
.price-card__price {
  display: flex; align-items: baseline; flex-wrap: wrap;
  gap: 6px; margin-top: 14px;
}
.price-card__amount {
  font-size: 44px; line-height: 1.05; font-weight: 600;
  letter-spacing: -0.03em;
}
.price-card__unit {
  font-size: 15px; color: var(--secondary);
}
.price-card__scope {
  margin-top: 10px;
  font-size: 14px; line-height: 1.6;
  color: var(--secondary);
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(210, 210, 215, 0.7);
}
.price-features {
  list-style: none; padding: 0; margin: 22px 0 0;
  display: flex; flex-direction: column; gap: 11px;
  flex: 1;
}
.price-features li {
  position: relative; padding-left: 26px;
  font-size: 14.5px; line-height: 1.55;
  color: var(--label);
}
.price-features li::before {
  content: ''; position: absolute; left: 4px; top: 8px;
  width: 9px; height: 5px;
  border-left: 1.8px solid var(--success);
  border-bottom: 1.8px solid var(--success);
  transform: rotate(-45deg);
}
.price-features li.is-muted { color: var(--tertiary); }
.price-features li.is-muted::before {
  border-color: var(--separator); transform: none;
  width: 8px; height: 0; border-left: none;
  border-bottom: 1.8px solid var(--separator);
  top: 12px;
}
.price-card__cta { margin-top: 28px; }
.price-card__cta .btn { display: block; width: 100%; }
.price-card__foot {
  margin-top: 12px;
  font-size: 12.5px; line-height: 1.6;
  color: var(--tertiary);
  text-align: center;
}
.price-note {
  max-width: 920px;
  margin-top: 28px;
  padding: 18px 22px;
  background: var(--surface);
  border-radius: 14px;
  font-size: 14px; line-height: 1.7;
  color: var(--secondary);
}

/* ---------- 对比表 ---------- */
.cmp-wrap {
  overflow-x: auto;
  border: 1px solid var(--separator);
  border-radius: 16px;
  background: #fff;
  -webkit-overflow-scrolling: touch;
}
.cmp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 620px;
}
.cmp-table th,
.cmp-table td {
  padding: 15px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(210, 210, 215, 0.55);
  line-height: 1.55;
}
.cmp-table thead th {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--tertiary);
  background: rgba(245, 245, 247, 0.75);
  white-space: nowrap;
}
.cmp-table thead th:first-child { color: var(--secondary); }
.cmp-table tbody th {
  font-weight: 500;
  color: var(--label);
  width: 26%;
  white-space: nowrap;
}
.cmp-table tbody td { color: var(--secondary); }
.cmp-table tbody td strong { color: var(--label); font-weight: 600; }
.cmp-table tr:last-child th,
.cmp-table tr:last-child td { border-bottom: none; }
.cmp-table .is-ours { background: rgba(252, 180, 21, 0.055); }
.cmp-table .is-ours strong { color: var(--label); }
.cmp-yes { color: #2f7d3d; font-weight: 600; }
.cmp-no { color: var(--tertiary); }
.cmp-partial { color: #b26a00; font-weight: 600; }
.cmp-source {
  margin-top: 12px;
  font-size: 12.5px; line-height: 1.65;
  color: var(--tertiary);
}
.cmp-source a { text-decoration: underline; text-underline-offset: 2px; }
.cmp-source a:hover { color: var(--secondary); }

/* ---------- Hub 卡片（blog 索引 / 对比索引） ---------- */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.hub-card {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--separator);
  border-radius: 16px;
  padding: 26px;
  transition: border-color 0.2s, transform 0.2s;
}
.hub-card:hover { border-color: rgba(29, 29, 31, 0.3); transform: translateY(-2px); }
.hub-card__kicker {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--tertiary);
}
.hub-card__title {
  margin-top: 10px;
  font-size: 19px; line-height: 1.35; font-weight: 600;
  letter-spacing: -0.01em;
}
.hub-card__desc {
  margin-top: 10px;
  font-size: 14.5px; line-height: 1.65;
  color: var(--secondary);
  flex: 1;
}
.hub-card__meta {
  margin-top: 16px;
  font-size: 12.5px; color: var(--tertiary);
}
.hub-card__more {
  margin-top: 12px;
  font-size: 13px; font-weight: 500;
  color: var(--label);
}
.hub-card:hover .hub-card__more { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 长文正文 ---------- */
.article-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.article-head { padding: 56px 0 36px; }
.article-kicker {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--secondary);
}
.article-title {
  margin-top: 16px;
  font-size: 42px; line-height: 1.14; font-weight: 600;
  letter-spacing: -0.025em;
}
.article-standfirst {
  margin-top: 20px;
  font-size: 19px; line-height: 1.62;
  color: var(--secondary);
}
.article-meta {
  margin-top: 26px; padding-top: 18px;
  border-top: 1px solid var(--separator);
  display: flex; flex-wrap: wrap; gap: 8px 20px;
  font-size: 12.5px; color: var(--tertiary);
}
.article-body { padding-bottom: 24px; }
.article-body > * + * { margin-top: 20px; }
.article-body h2 {
  margin-top: 52px;
  font-size: 28px; line-height: 1.28; font-weight: 600;
  letter-spacing: -0.015em;
  scroll-margin-top: 80px;
}
.article-body h3 {
  margin-top: 34px;
  font-size: 19.5px; line-height: 1.4; font-weight: 600;
}
.article-body h4 {
  margin-top: 26px;
  font-size: 16px; font-weight: 600;
}
.article-body p {
  font-size: 17.5px; line-height: 1.78;
  color: #3a3a3d;
}
.article-body strong { color: var(--label); font-weight: 600; }
.article-body ul, .article-body ol {
  padding-left: 22px;
  font-size: 17px; line-height: 1.8;
  color: #3a3a3d;
}
.article-body li + li { margin-top: 9px; }
.article-body li::marker { color: var(--tertiary); }
.article-body a {
  color: var(--label);
  text-decoration: underline;
  text-decoration-color: rgba(29, 29, 31, 0.28);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}
.article-body a:hover { text-decoration-color: var(--accent); }
.article-body blockquote {
  margin: 28px 0;
  padding: 2px 0 2px 22px;
  border-left: 2px solid var(--accent);
  font-size: 18px; line-height: 1.7;
  color: var(--label);
}
.article-body blockquote p { font-size: 18px; color: var(--label); }
.article-body hr {
  margin: 44px 0;
  border: none;
  border-top: 1px solid var(--separator);
}
.article-body code {
  padding: 2px 6px;
  background: var(--surface);
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
}
.article-body pre {
  padding: 20px 22px;
  background: #1d1d1f;
  color: #f2f2f4;
  border-radius: 12px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px; line-height: 1.7;
}
.article-body pre code { background: none; padding: 0; color: inherit; }
.article-body figure { margin: 32px 0; }
.article-body figcaption {
  margin-top: 10px;
  font-size: 13px; color: var(--tertiary);
}
.article-body .article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  margin: 28px 0;
}
.article-body .article-table th,
.article-body .article-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(210, 210, 215, 0.65);
  text-align: left;
  line-height: 1.55;
}
.article-body .article-table th {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--tertiary);
  background: rgba(245, 245, 247, 0.7);
}
.article-body .article-table td { color: var(--secondary); }
.article-body .article-table td:first-child { color: var(--label); font-weight: 500; }

/* 提示块 */
.article-callout {
  margin: 30px 0;
  padding: 22px 24px;
  background: var(--surface);
  border-radius: 14px;
  border-left: 2px solid var(--accent);
}
.article-callout__label {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--secondary);
}
.article-callout p { margin-top: 8px; font-size: 16px; line-height: 1.7; color: var(--secondary); }

/* 目录 */
.article-toc {
  margin: 0 0 8px;
  padding: 22px 24px;
  border: 1px solid var(--separator);
  border-radius: 14px;
  background: #fff;
}
.article-toc__label {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--tertiary);
}
.article-toc ol {
  margin: 12px 0 0; padding-left: 18px;
  font-size: 14.5px; line-height: 1.9;
  color: var(--secondary);
}
.article-toc ol a { text-decoration: none; }
.article-toc ol a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* 文中 CTA */
.article-cta {
  margin: 44px 0;
  padding: 30px 32px;
  background: var(--label);
  border-radius: 18px;
  color: #fff;
}
.article-cta h2, .article-cta h3 {
  margin: 0;
  font-size: 22px; line-height: 1.35; font-weight: 600;
  color: #fff;
}
.article-cta p {
  margin-top: 10px;
  font-size: 15px; line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}
.article-cta .btn { margin-top: 22px; }

/* ---------- 工具 / 计算器 ---------- */
.calc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: 28px;
  align-items: start;
}
.calc-form {
  background: #fff;
  border: 1px solid var(--separator);
  border-radius: 18px;
  padding: 28px;
}
.calc-field + .calc-field { margin-top: 18px; }
.calc-field label {
  display: block;
  font-size: 13.5px; font-weight: 500;
  margin-bottom: 7px;
}
.calc-field .hint {
  display: block;
  margin-top: 5px;
  font-size: 12.5px; line-height: 1.5;
  color: var(--tertiary);
}
.calc-field input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--separator);
  border-radius: 10px;
  background: var(--canvas);
  font-size: 15px;
  color: var(--label);
  font-family: inherit;
  transition: border-color 0.2s, background-color 0.2s;
}
.calc-field input:focus {
  outline: none;
  border-color: rgba(29, 29, 31, 0.4);
  background: #fff;
}
.calc-out {
  background: var(--label);
  color: #fff;
  border-radius: 18px;
  padding: 30px;
}
.calc-out__label {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}
.calc-out__value {
  margin-top: 10px;
  font-size: 46px; line-height: 1.05; font-weight: 600;
  letter-spacing: -0.03em;
}
.calc-out__unit { font-size: 15px; color: rgba(255, 255, 255, 0.6); }
.calc-out__row {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px;
}
.calc-out__row span:last-child { font-weight: 600; }
.calc-out__note {
  margin-top: 22px;
  font-size: 12.5px; line-height: 1.65;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .price-grid, .hub-grid, .calc { grid-template-columns: 1fr; }
  .price-card { padding: 26px; }
  .article-title { font-size: 34px; }
  .article-standfirst { font-size: 17.5px; }
  .article-head { padding: 44px 0 30px; }
  .seo-hero__inner--single { padding-bottom: 48px; }
}
@media (max-width: 640px) {
  .price-card__amount { font-size: 38px; }
  .article-title { font-size: 29px; }
  .article-body h2 { font-size: 24px; margin-top: 42px; }
  .article-body p, .article-body ul, .article-body ol { font-size: 16.5px; }
  .article-shell { padding: 0 16px; }
  .cmp-table { font-size: 13px; min-width: 560px; }
  .cmp-table th, .cmp-table td { padding: 12px 14px; }
  .calc-out__value { font-size: 38px; }
  .article-cta { padding: 24px 22px; }
}

/* ==========================================================================
   留资表单（预约演示 / 联系我们）
   只收邮箱：降低填写成本。出现在定价页与关于页。
   ========================================================================== */
.lead {
  border-top: 1px solid var(--separator);
  background: #fff;
}
.lead__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 40px;
  align-items: center;
}
.lead__copy h2 {
  font-size: 24px;
  line-height: 1.35;
  margin: 0 0 10px;
  color: var(--label);
}
.lead__copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--secondary);
  max-width: 52ch;
}
.lead__form { width: 100%; }
.lead__label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--label);
  margin-bottom: 8px;
}
.lead__row { display: flex; gap: 8px; }
.lead__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  color: var(--label);
  background: #fff;
  border: 1px solid var(--separator);
  border-radius: 10px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.lead__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(252, 180, 21, 0.18);
}
.lead__btn {
  flex: 0 0 auto;
  padding: 12px 22px;
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  color: #1D1D1F;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}
.lead__btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.lead__btn[disabled] { opacity: 0.6; cursor: default; }
.lead__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--secondary);
}
.lead__note--error { color: #A32D2D; }
.lead__note--ok { color: #0F6E56; }
@media (max-width: 860px) {
  .lead__inner { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 40px 24px; }
}
@media (max-width: 560px) {
  .lead__row { flex-direction: column; }
  .lead__btn { width: 100%; }
}