/* ==========================================================================
   有解 AI 官网 · 站点层样式（site.css）
   只做「网页版排版骨架」：页头 / 首屏 / 分节 / 列表 / 表单 / 页脚。
   颜色与组件一律来自 tokens.css 与 base.css，不引入新的裸色值。
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 680px at 82% -8%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(900px 620px at 8% 100%, rgba(99,102,241,.10), transparent 62%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(1180px, 100% - 48px); margin-inline: auto; }
.wrap-narrow { width: min(860px, 100% - 48px); margin-inline: auto; }

a { color: var(--primary-strong); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------------- 页头 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px) saturate(140%);
}
.header-inner {
  display: flex; align-items: center; gap: var(--space-6);
  height: 72px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand .mark { width: 30px; height: 30px; }
.brand .mark .cell { fill: var(--text-3); opacity: .55; }
.brand .mark .cell-hot { fill: var(--primary); opacity: 1; }
.brand .name { display: flex; flex-direction: column; line-height: 1.05; }
.brand .name b { font-size: 17px; font-weight: 800; letter-spacing: -.01em; }
.brand .name span { font-family: var(--font-mono); font-size: 9.5px; color: var(--text-2); letter-spacing: .14em; }

.site-nav { display: flex; align-items: center; gap: 4px; margin-inline: auto; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: 4px;
  height: 38px; padding: 0 12px;
  background: none; border: 0; border-radius: 10px;
  color: var(--text-2); font: inherit; font-size: 14.5px; cursor: pointer;
  text-decoration: none;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav-link .icon-sm { opacity: .6; }
.nav-sub {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 268px; padding: 8px;
  background: var(--bg-2); border: 1px solid var(--glass-border); border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
  display: none; flex-direction: column; gap: 2px;
}
.nav-item:hover .nav-sub, .nav-item:focus-within .nav-sub { display: flex; }
.nav-sub a { display: flex; flex-direction: column; gap: 2px; padding: 9px 12px; border-radius: 9px; color: var(--text); }
.nav-sub a:hover { background: var(--surface-2); text-decoration: none; }
.nav-sub a b { font-size: 14px; font-weight: 600; }
.nav-sub a span { font-size: 12px; color: var(--text-2); }
.header-cta { display: flex; align-items: center; gap: 8px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); padding: 8px; }

/* ---------------- 首屏 ---------------- */
.hero { position: relative; overflow: hidden; padding: 96px 0 64px; }
.hero-inner { position: relative; z-index: 2; max-width: 880px; }
.hero-title {
  margin: 18px 0 0;
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.14; letter-spacing: -.02em; font-weight: 800;
  background: linear-gradient(96deg, var(--text) 0%, var(--text) 42%, var(--primary) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { margin: 18px 0 0; color: var(--text-2); font-size: clamp(15px, 1.4vw, 18px); }
.hero-lede { margin: 22px 0 0; max-width: 760px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero .chip-row { margin-top: 28px; }
.hero .quote, .hero .scenario { margin-top: 26px; }

/* 长标题（首页 H1 是一句定义，99 字）：降两档字号，保持四行以内的节奏 */
.hero-title.long { font-size: clamp(26px, 3.2vw, 44px); line-height: 1.28; max-width: 1000px; }
/* ---------------- 分节 ---------------- */
.section { padding: 64px 0; border-top: 1px solid var(--line); }
.section-tight { padding: 40px 0; }
.section:first-of-type { border-top: 0; }
.sec-inner { max-width: 900px; margin-inline: auto; }
.section > .wrap > h2, .sec-inner > h2:first-child { margin-top: 0; }
h2 { margin: 0 0 20px; font-size: clamp(24px, 2.6vw, 32px); line-height: 1.25; letter-spacing: -.01em; font-weight: 800; }
h3 { margin: 34px 0 12px; font-size: clamp(18px, 1.6vw, 21px); font-weight: 700; letter-spacing: -.005em; }
p { margin: 0 0 16px; color: var(--text); }
.lede { color: var(--text-2); font-size: 17px; line-height: 1.75; }
ul, ol { margin: 0 0 20px; padding-left: 1.25em; }
li { margin: 8px 0; }
li::marker { color: var(--primary-strong); }
strong { font-weight: 700; }
code { font-family: var(--font-mono); font-size: .92em; background: var(--code-bg); padding: 2px 6px; border-radius: 6px; }

/* 场景引语：一条左线 + 小标签 */
.scenario {
  position: relative; margin: 22px 0 26px; padding: 18px 22px 18px 24px;
  background: var(--glass); border: 1px solid var(--glass-border); border-left: 2px solid var(--primary);
  border-radius: 4px 14px 14px 4px; color: var(--text); font-size: 16px;
}
.scenario-tag {
  display: inline-block; margin-right: 10px; padding: 1px 8px; border-radius: 999px;
  background: var(--primary-soft); color: var(--primary-strong);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; vertical-align: 1px;
}
.quote {
  margin: 22px 0; padding: 18px 22px; border-left: 2px solid var(--line-strong);
  color: var(--text-2); background: var(--surface-2); border-radius: 4px 12px 12px 4px;
}

/* 表格 */
.cmp-wrap { margin: 20px 0 26px; overflow-x: auto; border: 1px solid var(--glass-border); border-radius: 14px; background: var(--glass); }
table.cmp { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.cmp th, table.cmp td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
table.cmp th { color: var(--text-2); font-weight: 600; font-size: 13px; letter-spacing: .02em; background: var(--surface-2); }
table.cmp tr:last-child td { border-bottom: 0; }
table.cmp td:first-child { color: var(--text); font-weight: 600; white-space: nowrap; }
table.cmp tbody tr:hover td { background: rgba(255,255,255,.02); }

/* 按钮（复用 base.css 的 .btn，这里只补尺寸与图标对齐） */
.btn { text-decoration: none; }
.btn:hover { text-decoration: none; }
.btn .icon { width: 16px; height: 16px; }
.btn-sm { height: 34px; padding: 0 14px; font-size: 13.5px; }
.hero-actions .btn { height: 48px; padding: 0 24px; font-size: 15px; }

/* 列表型内容（频道页卡片） */
a.btn-ghost { border: 1px solid var(--line-strong); }
.card-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin: 22px 0; }
.card {
  display: flex; flex-direction: column; gap: 10px; padding: 20px;
  background: var(--glass); border: 1px solid var(--glass-border); border-radius: 16px;
  color: var(--text);
}
.card:hover { border-color: var(--primary-line); text-decoration: none; }
.card .card-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--primary-strong); }
.card h3 { margin: 0; font-size: 17px; }
.card p { margin: 0; color: var(--text-2); font-size: 14px; }
.card .card-meta { margin-top: auto; font-family: var(--font-mono); font-size: 12px; color: var(--text-3); }

/* 面包屑 */
.crumbs { padding: 18px 0 0; font-size: 13px; color: var(--text-2); }
.crumbs a { color: var(--text-2); }
.crumbs span { margin: 0 8px; color: var(--text-3); }

/* FAQ */
.faq-group { margin-bottom: 44px; }
.faq-item { border: 1px solid var(--glass-border); border-radius: 12px; background: var(--glass); margin: 10px 0; overflow: hidden; }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 18px; cursor: pointer; font-weight: 600; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { transition: transform .2s ease; color: var(--text-2); }
.faq-item[open] summary .icon { transform: rotate(180deg); }
.faq-item[open] summary { border-bottom: 1px solid var(--line); }
.faq-body { padding: 4px 18px 14px; }
.faq-body p, .faq-body li { color: var(--text-2); }
.faq-lead { margin: 6px 0 18px; }

/* 自诊断 */
.quiz-q { border: 1px solid var(--glass-border); border-radius: 14px; background: var(--glass); padding: 16px 18px; margin: 14px 0; }
.quiz-q legend { font-weight: 700; padding: 0 6px; }
.quiz-q .qid { font-family: var(--font-mono); color: var(--primary-strong); margin-right: 8px; font-size: 13px; }
.opt { display: flex; gap: 10px; align-items: flex-start; padding: 8px 10px; border-radius: 9px; cursor: pointer; color: var(--text-2); }
.opt:hover { background: var(--surface-2); }
.opt input { margin-top: 5px; accent-color: var(--primary); }
.result-card .res-score { font-family: var(--font-mono); font-size: 44px; color: var(--primary); font-weight: 700; }

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; margin: 26px 0 0; }
.form-row { display: flex; flex-direction: column; gap: 7px; }
.form-row-full { grid-column: 1 / -1; }
.form-row label { font-size: 13.5px; color: var(--text-2); }
.form-row label em { font-style: normal; color: var(--primary-strong); margin-left: 8px; font-size: 11.5px; }
.input {
  width: 100%; min-height: 42px; padding: 10px 12px;
  background: var(--surface-2); border: 1px solid var(--glass-border); border-radius: 10px;
  color: var(--text); font: inherit; font-size: 14.5px;
}
textarea.input { resize: vertical; }
.input:focus { outline: 2px solid var(--primary-line); outline-offset: 1px; border-color: var(--primary-line); }
.consent .check { display: flex; gap: 8px; align-items: flex-start; font-size: 13.5px; }
.form-actions { flex-direction: row; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-note { font-size: 12.5px; color: var(--text-3); max-width: 460px; }
.form-ok { display: none; }
.form-grid.sent .form-ok { display: flex; gap: 10px; align-items: flex-start; color: var(--ok-text); }
.form-grid.sent > .form-row { display: none; }

/* 页脚 */
.site-footer { margin-top: 40px; border-top: 1px solid var(--line); background: var(--bg-2); }
.foot-top { display: grid; grid-template-columns: 300px 1fr; gap: 48px; padding: 56px 0 40px; }
.foot-brand .brand .mark { width: 34px; height: 34px; }
.foot-slogan { color: var(--text-2); margin: 14px 0 20px; font-size: 14px; }
.foot-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.foot-col-title { margin: 0 0 12px; font-size: 13px; color: var(--text-2); letter-spacing: .06em; font-weight: 600; }
.foot-col a { display: block; padding: 5px 0; color: var(--text); font-size: 14px; }
.foot-col a:hover { color: var(--primary-strong); }
.foot-bottom {
  display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center;
  padding: 18px 0 28px; border-top: 1px solid var(--line);
  color: var(--text-2); font-size: 12.5px; font-family: var(--font-mono);
}
.foot-bottom a { color: var(--text-2); }

/* 分节小标题里的编号感 */
.section h2::before {
  content: ""; display: inline-block; width: 22px; height: 2px; margin-right: 12px;
  background: var(--primary); vertical-align: 8px;
}

/* 响应式 */
@media (max-width: 980px) {
  .site-nav { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .header-cta { display: none; }
  .site-header.open .site-nav {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; left: 0; right: 0; top: 72px; padding: 12px;
    background: var(--bg-2); border-bottom: 1px solid var(--line); gap: 2px;
  }
  .site-header.open .nav-sub { position: static; display: flex; box-shadow: none; border: 0; background: transparent; padding-left: 8px; }
  .foot-top { grid-template-columns: 1fr; gap: 32px; }
  .foot-cols { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .wrap, .wrap-narrow { width: min(100% - 32px, 100%); }
  .hero { padding: 64px 0 40px; }
  .section { padding: 44px 0; }
  .foot-cols { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

/* 分节编号（CSS 计数器）：01 / 02 / … 让长页有节奏 */
.section { counter-reset: none; }
main { counter-reset: sec; }
.section .sec-inner { counter-increment: sec; }
.sec-inner h2::before {
  content: counter(sec, decimal-leading-zero); width: auto; background: none;
  color: var(--primary); font-family: var(--font-mono); font-size: .62em;
  letter-spacing: .08em; margin-right: 12px; vertical-align: 6px;
}
.section h2::after { content: none; }
/* 页末 CTA 带 */
.cta-band { padding: 72px 0; }
.cta-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center; }
.cta-text p { margin: 0 0 10px; color: var(--text); font-size: clamp(18px, 1.8vw, 22px); line-height: 1.55; }
.cta-text p:last-child { margin-bottom: 0; color: var(--text-2); font-size: 15px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.cta-band .btn { height: 46px; padding: 0 22px; }
@media (max-width: 860px) {
  .cta-inner { grid-template-columns: 1fr; }
  .cta-actions { justify-content: flex-start; }
}
/* hidden 属性在作者样式下要生效 */
[hidden] { display: none !important; }

/* ==========================================================================
   营销版式层（2026-10-25 第二轮：从"文档排版"改成"官网版式"）
   ========================================================================== */

/* 首屏：左文案 + 右界面/图示 */
.hero-marketing { padding: 84px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center; }
.hero-title.xl { font-size: clamp(34px, 4.4vw, 58px); }
.hero-note { margin-top: 20px; color: var(--text-2); font-size: clamp(15px, 1.3vw, 17px); line-height: 1.8; max-width: 56ch; }
.hero-note strong { color: var(--text); }
.hero-visual { position: relative; }
.hero-visual .ui-caption { text-align: right; }
.ui-caption { margin: 10px 2px 0; color: var(--text-3); font-size: 11.5px; font-family: var(--font-mono); letter-spacing: .02em; }

/* 分节标题块 */
.sec-head { max-width: 780px; margin-bottom: 40px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head h2 { margin: 14px 0 0; font-size: clamp(26px, 2.9vw, 38px); line-height: 1.22; }
.sec-head .lede { margin: 14px 0 0; }
.section-dark { background: linear-gradient(180deg, var(--bg-2), transparent 70%); }

/* 数字/事实条 */
.kpi-row .kpi { padding: 22px; }
.kpi .big { font-size: clamp(30px, 3vw, 40px); }
.kpi .cap { font-size: 14px; color: var(--text); font-weight: 600; }
.kpi .sub { font-size: 12.5px; color: var(--text-2); }

/* 卡片组 */
.cards-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.cards-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.tile {
  display: flex; flex-direction: column; gap: 12px; padding: 24px;
  background: var(--glass); border: 1px solid var(--glass-border); border-radius: 18px;
  transition: border-color .18s ease, transform .18s ease;
}
.tile:hover { border-color: var(--primary-line); }
.tile .icon-box { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--primary-soft); border: 1px solid var(--primary-line); color: var(--primary); }
.tile .icon-box .icon { width: 20px; height: 20px; }
.tile h3 { margin: 0; font-size: 18px; font-weight: 700; }
.tile p { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.75; }
.tile .tile-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-3); }
.tile .tile-tag { color: var(--primary-strong); letter-spacing: .08em; }
.tile-link { color: var(--primary-strong); font-size: 13px; font-family: var(--font-mono); }

/* 产品卡（三个面） */
.product-card { gap: 14px; min-height: 260px; }
.product-card .act { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .14em; color: var(--primary-strong); text-transform: uppercase; }
.product-card h3 { font-size: 21px; }
.product-card .one-line { color: var(--text); font-size: 15px; font-weight: 600; }
.product-card ul { margin: 0; padding-left: 1.05em; }
.product-card li { color: var(--text-2); font-size: 13.5px; margin: 5px 0; }

/* 交替图文行 */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 64px 0; border-top: 1px solid var(--line); }
.feature-row:first-of-type { border-top: 0; }
.feature-row.flip .fr-media { order: -1; }
.fr-copy .idx { font-family: var(--font-mono); font-size: 12px; color: var(--primary); letter-spacing: .14em; }
.fr-copy h3 { margin: 10px 0 14px; font-size: clamp(21px, 2.1vw, 27px); line-height: 1.3; }
.fr-copy .scenario { margin: 0 0 18px; }
.fr-copy p { color: var(--text-2); font-size: 15px; line-height: 1.8; }
.fr-copy ul { margin: 14px 0 0; padding-left: 1.1em; }
.fr-copy li { color: var(--text-2); font-size: 14.5px; margin: 7px 0; }
.fr-media .window { box-shadow: 0 30px 80px rgba(0,0,0,.45); }

/* 架构图补充 */
.arch-label { margin: 14px 0 0; font-family: var(--font-mono); font-size: 12px; color: var(--text-2); text-align: center; }
.arch-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 20px; border-radius: 14px; }
.arch-bar b { font-size: 15px; }
.arch-bar span { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-2); }
.arch-row .arch-node { border-radius: 12px; }
.arch-node.model { border-color: var(--primary-line); }

/* 会话 / 审批卡 mock */
.chat { display: flex; flex-direction: column; gap: 14px; padding: 18px; }
.chat .msg-ai .body { background: var(--glass); border: 1px solid var(--glass-border); border-radius: 14px; padding: 12px 14px; }
.chat .avatar { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: var(--primary-soft); border: 1px solid var(--primary-line); }
.chat .avatar svg { width: 16px; height: 16px; }
.approval .top { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-family: var(--font-mono); font-size: 11.5px; color: var(--warn-text); }
.approval .fields { display: grid; gap: 4px; margin: 10px 0; font-size: 12.5px; color: var(--text-2); }
.approval .actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.approval .actions span { padding: 5px 10px; border-radius: 8px; border: 1px solid var(--glass-border); font-size: 12px; color: var(--text-2); background: var(--surface-2); }

/* 表格式 mock */
.mock-tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.mock-tbl th { text-align: left; padding: 8px 10px; color: var(--text-2); font-weight: 600; border-bottom: 1px solid var(--line); font-size: 11.5px; }
.mock-tbl td { padding: 8px 10px; border-bottom: 1px solid var(--line); color: var(--text); }
.mock-tbl td.num { font-family: var(--font-mono); color: var(--primary-strong); }
.mock-tbl tr:last-child td { border-bottom: 0; }

/* 适合 / 不适合 */
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.fit-col { padding: 26px; border-radius: 18px; border: 1px solid var(--glass-border); background: var(--glass); }
.fit-col.yes { border-color: rgba(52,211,153,.35); }
.fit-col.no { border-color: rgba(248,113,113,.30); }
.fit-col h3 { margin: 0 0 14px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.fit-col h3 .icon { width: 18px; height: 18px; }
.fit-col.yes h3 .icon { color: var(--ok-text); }
.fit-col.no h3 .icon { color: var(--danger-text); }
.fit-col ul { margin: 0; padding: 0; list-style: none; }
.fit-col li { display: flex; gap: 9px; align-items: flex-start; padding: 7px 0; color: var(--text-2); font-size: 14.5px; }
.fit-col li .icon { width: 15px; height: 15px; margin-top: .3em; flex: none; }
.fit-col.yes li .icon { color: var(--ok-text); }
.fit-col.no li .icon { color: var(--danger-text); }

/* 长文页（隐私/关于正文）的排版 */
.legal-layout { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 56px; align-items: start; }
.toc-side { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 2px; }
.toc-side .toc-h { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; color: var(--text-3); text-transform: uppercase; margin-bottom: 10px; }
.toc-side a { padding: 6px 10px; border-radius: 8px; font-size: 13px; color: var(--text-2); border-left: 1px solid var(--line); }
.toc-side a:hover, .toc-side a.active { color: var(--text); background: var(--surface-2); border-left-color: var(--primary); text-decoration: none; }
.prose { max-width: 760px; }
.prose h2 { font-size: 22px; margin: 40px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { font-size: 15px; line-height: 1.9; color: var(--text-2); }
.prose strong { color: var(--text); }
.prose table.cmp td:first-child { white-space: normal; }

/* FAQ 分组 + 侧栏 */
.faq-layout { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 56px; align-items: start; }
.faq-side { position: sticky; top: 96px; }
.faq-side .group-link { display: block; padding: 8px 12px; border-radius: 9px; color: var(--text-2); font-size: 14px; }
.faq-side .group-link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.faq-group-h { font-size: 15px; font-family: var(--font-mono); letter-spacing: .1em; color: var(--primary-strong); margin: 34px 0 12px; }

/* 页末号召带 */
.cta-band .cta-inner { padding: 40px; }

/* 响应式 */
@media (max-width: 1024px) {
  .hero-grid, .feature-row, .fit-grid, .cards-3, .cards-4 { grid-template-columns: 1fr; }
  .feature-row { gap: 28px; padding: 40px 0; }
  .feature-row.flip .fr-media { order: 0; }
  .cards-2 { grid-template-columns: 1fr; }
  .legal-layout, .faq-layout { grid-template-columns: 1fr; gap: 24px; }
  .toc-side, .faq-side { position: static; }
  .hero-marketing { padding: 48px 0 32px; }
  .kpi-row, .kpi-row.three, .steps, .steps.four { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .cards-3, .cards-4, .kpi-row, .kpi-row.three, .steps, .steps.four { grid-template-columns: 1fr; }
  .steps::before { display: none; }
}

/* 首屏里的界面示意：两栏（侧栏 + 主区），任何宽度都不挤 */
.hero-visual .win-body { grid-template-columns: 152px minmax(0, 1fr); min-height: 0; }
.hero-visual .win-side { padding: 12px 8px; gap: 10px; }
.hero-visual .win-side .side-list li { height: 28px; padding: 0 8px; font-size: 12px; gap: 7px; }
.hero-visual .win-main { padding: 12px; gap: 10px; }
.hero-visual .metric { padding: 10px 12px; }
.hero-visual .metric .lbl { font-size: 11px; font-weight: 600; }
.hero-visual .metric .val { font-size: 20px; white-space: nowrap; }
.hero-visual .metric .sub { font-size: 10.5px; line-height: 1.45; color: var(--text-2); }
.hero-visual .mock-tbl { font-size: 11.5px; }
.hero-visual .mock-tbl th, .hero-visual .mock-tbl td { padding: 6px 8px; white-space: nowrap; }
.metric .sub { color: var(--text-2); font-size: 11px; }
.arch-row.cols-5 { grid-template-columns: repeat(5, minmax(0,1fr)); }

/* 修：分节标题前的短横线只留给旧版 .sec-inner；新版的 sec-tag 已经带编号 */
.sec-head h2::before { content: none; }
.cta-band .cta-title::before { content: none; }
.cta-band .cta-title { margin: 0 0 8px; font-size: clamp(20px, 2.2vw, 26px); font-weight: 800; line-height: 1.35; }
.cta-text p.cta-title { color: var(--text); }

/* 架构图：放到图框里，节点不挤 */
.fr-media .arch, .fr-media .timeline, .fr-media .glass.pad { }
.fr-media .arch { background: var(--glass); border: 1px solid var(--glass-border); border-radius: 18px; padding: 26px; }
.fr-media .arch-row .arch-node { padding: 12px 14px; min-height: 58px; }
.fr-media .arch-node b { white-space: nowrap; font-size: 14px; }
.fr-media .arch-bar { padding: 18px 20px; }
.fr-media .arch-bar b { white-space: nowrap; font-size: 14.5px; }
.fr-media .arch-bar span { font-size: 11px; white-space: nowrap; }
.fr-media .arch-row.cols-5 { grid-template-columns: repeat(5, minmax(0,1fr)); gap: 10px; }
.fr-media .arch-row.cols-5 .arch-node { padding: 10px; min-height: 54px; }
.fr-media .arch-row.cols-5 .arch-node b { font-size: 12.5px; }
.fr-media .arch-row.cols-5 .arch-node span { font-size: 10.5px; }
.fr-media .arch-label { font-size: 11.5px; line-height: 1.6; }
/* 中文标题断行：按词组断，不拆词；两行时自动平衡 */
.hero-title, .sec-head h2, .fr-copy h3 { text-wrap: balance; word-break: keep-all; line-break: strict; }

@media (max-width: 980px) {
  /* 窄屏禁用 keep-all，否则中文标题不换行、被 overflow:hidden 裁掉 */
  .hero-title, .sec-head h2, .fr-copy h3,
  h1, h2, .hero h1, .hero h2 { word-break: normal; overflow-wrap: anywhere; text-wrap: balance; }
}

/* 修：旧的「短横线」标题装饰只保留在 .sec-inner 的编号标题上 */
.section h2::before { content: none; }
.sec-inner h2::before { content: counter(sec, decimal-leading-zero); }
/* 长文页的阅读宽度 */
.faq-wrap, .prose-wrap { max-width: 940px; margin-inline: auto; }
/* FAQ 侧栏 */
.faq-group { scroll-margin-top: 96px; }
.faq-group h2 { font-size: clamp(20px, 2vw, 24px); margin: 0 0 6px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }

/* 语义修正后的样式对齐：分节里的 feature 标题用 h2、步骤标题用 h3 */
.fr-copy h2.fr-title { margin: 10px 0 14px; font-size: clamp(21px, 2.1vw, 27px); line-height: 1.3; font-weight: 800; }
.fr-copy h2.fr-title::before { content: none; }
.step h3 { display: flex; align-items: center; gap: 10px; margin: 0; font-size: var(--fs-xl); font-weight: 800; letter-spacing: -.01em; }
.step h3 + p { margin: 0; color: var(--text-2); font-size: 14px; line-height: 1.7; }
/* 表格表头不拆字（表宽不够时整表横向滚动） */
.cmp-wrap table.cmp th { white-space: nowrap; }

/* ==========================================================================
   概念图（2026-10-25 第三轮）：一屏一个概念，最多三个数字，不读表也能看懂
   ========================================================================== */

/* 等式卡：两本账 → 一个结论 */
.eq { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: center; padding: 26px 24px 18px; }
.eq .side { display: flex; flex-direction: column; gap: 6px; }
.eq .side .k { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; color: var(--text-2); }
.eq .side .v { font-family: var(--font-mono); font-size: clamp(24px, 2.4vw, 32px); font-weight: 600; letter-spacing: -.02em; color: var(--text); }
.eq .side .d { font-size: 12px; color: var(--text-2); }
.eq .sign { font-size: 26px; color: var(--primary); font-family: var(--font-mono); }
.eq .verdict { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; justify-content: center; padding-top: 6px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 12.5px; color: var(--text-2); }
.eq .verdict b { color: var(--ok-text); }

/* 收口漏斗：三级一层比一层窄 */
.funnel { display: flex; flex-direction: column; gap: 10px; align-items: center; padding: 8px 0 2px; }
.funnel .lvl { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 54px; padding: 0 18px;
  background: var(--glass); border: 1px solid var(--glass-border); border-radius: 12px; }
.funnel .lvl b { font-size: 14.5px; }
.funnel .lvl span { font-family: var(--font-mono); font-size: 14px; color: var(--primary-strong); }
.funnel .lvl em { font-style: normal; font-size: 11.5px; color: var(--text-3); margin-left: 8px; }
.funnel .lvl:nth-child(1) { width: 100%; }
.funnel .lvl:nth-child(2) { width: 74%; }
.funnel .lvl:nth-child(3) { width: 50%; }
.funnel .lvl:nth-child(3) { border-color: var(--warn-text); }
.funnel .note { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-2); margin-top: 10px; }

/* 事件流：一行一件事，扫一眼就完 */
.stream { display: flex; flex-direction: column; }
.stream .row { display: grid; grid-template-columns: 46px minmax(0,1fr) auto auto; gap: 12px; align-items: center; padding: 11px 2px; border-bottom: 1px solid var(--line); font-size: 13px; }
.stream .row:last-child { border-bottom: 0; }
.stream .t { font-family: var(--font-mono); color: var(--text-3); font-size: 12px; }
.stream .n { color: var(--text); font-weight: 600; }
.stream .m { color: var(--text-2); font-size: 12.5px; }
.stream .c { font-family: var(--font-mono); color: var(--text-2); font-size: 12px; }

/* 两张对照卡：左右各一句人话 */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.duo .card-mini { padding: 18px; border-radius: 14px; background: var(--glass); border: 1px solid var(--glass-border); display: flex; flex-direction: column; gap: 10px; }
.duo .card-mini h4 { margin: 0; font-size: 14px; font-weight: 700; }
.duo .card-mini .q { font-size: 12.5px; color: var(--text-2); line-height: 1.6; }
.duo .card-mini ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.duo .card-mini li { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--text-2); }
.duo .card-mini li b { color: var(--text); font-weight: 600; }
.duo .card-mini li .ok { color: var(--ok-text); font-family: var(--font-mono); }
.duo .card-mini li .no { color: var(--danger-text); font-family: var(--font-mono); }
@media (max-width: 760px) { .duo { grid-template-columns: 1fr; } .eq { grid-template-columns: 1fr; text-align: left; } .eq .sign { display: none; } }

/* 导航平铺后：间距收紧，保证 1280 宽也能一行放下 */
.site-nav { gap: 2px; }
.site-nav .nav-link { padding: 0 11px; font-size: 14px; white-space: nowrap; }
.header-inner { gap: var(--space-5); }
@media (max-width: 1180px) {
  .site-nav .nav-link { padding: 0 9px; font-size: 13.5px; }
  .header-cta .btn-ghost { display: none; }
}

/* ==========================================================================
   呼吸感（2026-10-26）：统一加留白
   原则：段间 96–112px、标题与正文 16–28px、正文行高 1.85–1.9、内容列收窄到 860px
   ========================================================================== */

body { font-size: 16.5px; line-height: 1.85; }
.wrap { width: min(1120px, 100% - 80px); }
.wrap-narrow { width: min(820px, 100% - 80px); }

/* 首屏 */
.hero-marketing { padding: 112px 0 88px; }
.hero-grid { gap: 72px; }
.hero-inner { max-width: 980px; }
.hero-sub { margin-top: 22px; }
.hero-note { margin-top: 26px; line-height: 1.9; }
.hero-actions { margin-top: 40px; gap: 14px; }
.hero .chip-row { margin-top: 32px; gap: 10px; }
.hero-visual .ui-caption { margin-top: 12px; }

/* 分节 */
.section { padding: 100px 0; }
.section-tight { padding: 56px 0; }
.sec-head { margin-bottom: 56px; }
.sec-head h2 { margin: 18px 0 0; line-height: 1.28; }
.sec-head .lede { margin-top: 18px; }
.sec-inner { max-width: 860px; }
h2 { margin-bottom: 26px; }
h3 { margin: 44px 0 16px; }

/* 正文 */
p { margin-bottom: 22px; }
.lede { line-height: 1.9; }
ul, ol { margin-bottom: 28px; padding-left: 1.35em; }
li { margin: 10px 0; line-height: 1.85; }
.callout { margin: 28px 0; padding: 20px 24px; line-height: 1.8; }
.scenario { margin: 26px 0 30px; padding: 22px 26px 22px 28px; line-height: 1.85; }
.quote { margin: 26px 0; padding: 22px 26px; }

/* 表格：单元格放大，别挤在一起 */
.cmp-wrap { margin: 26px 0 34px; }
table.cmp th, table.cmp td { padding: 15px 20px; line-height: 1.7; }
.mock-tbl th, .mock-tbl td { padding: 10px 12px; }

/* 交替图文 */
.feature-row { padding: 96px 0; gap: 72px; }
.fr-copy h2.fr-title { margin: 12px 0 18px; }
.fr-copy p { line-height: 1.9; margin-bottom: 18px; }
.fr-copy ul { margin-top: 18px; }

/* 卡片 */
.cards-2, .cards-3, .cards-4, .card-grid { gap: 22px; }
.tile { padding: 28px; gap: 14px; }
.tile p { line-height: 1.8; }
.kpi-row .kpi { padding: 26px; }

/* 步骤 / 时间线 */
.steps .step { padding: 30px 26px; gap: 16px; }
.timeline li { padding: 14px 0; }

/* FAQ */
.faq-item { margin: 14px 0; }
.faq-item summary { padding: 18px 22px; }
.faq-body { padding: 10px 22px 20px; }
.faq-group { margin-bottom: 56px; }
.faq-group h2 { margin: 0 0 10px; padding-bottom: 14px; }
.faq-side .group-link { padding: 9px 12px; margin: 2px 0; }
.faq-layout, .legal-layout { gap: 64px; }

/* 表单 */
.form-grid { gap: 24px 26px; margin-top: 32px; }
.form-row { gap: 9px; }
.form-grid.pad, .glass.pad { padding: 32px; }
.form-actions { gap: 20px; }

/* 自诊断 */
.quiz-q { padding: 22px 24px; margin: 18px 0; }
.opt { padding: 10px 12px; margin: 2px 0; }

/* 页末与页脚 */
.cta-band { padding: 104px 0; }
.cta-band .cta-inner { padding: 52px; gap: 40px; }
.cta-text p { line-height: 1.8; }
.site-footer { margin-top: 56px; }
.foot-top { padding: 76px 0 56px; gap: 56px; }
.foot-cols { gap: 32px; }
.foot-col a { padding: 7px 0; }
.foot-bottom { padding: 22px 0 34px; gap: 10px 24px; }

/* 移动端同步放大留白 */
@media (max-width: 1024px) {
  .hero-marketing { padding: 64px 0 44px; }
  .section { padding: 64px 0; }
  .section-tight { padding: 40px 0; }
  .feature-row { padding: 56px 0; }
  .sec-head { margin-bottom: 36px; }
  .wrap, .wrap-narrow { width: min(100% - 40px, 100%); }
}
@media (max-width: 640px) {
  .wrap, .wrap-narrow { width: min(100% - 32px, 100%); }
  .section { padding: 52px 0; }
  .tile { padding: 22px; }
  .cta-band { padding: 64px 0; }
  .cta-band .cta-inner { padding: 28px; }
}

/* 修：留白加大后等式里的金额被挤成两行 */
.eq { grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); }
.eq .side { min-width: 0; }
.eq .side .v { white-space: nowrap; font-size: clamp(22px, 2.1vw, 30px); }
.eq .side .k { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 修：留白加大后漏斗第三层文字换行 */
.funnel .lvl { white-space: nowrap; padding: 0 16px; gap: 10px; }
.funnel .lvl b, .funnel .lvl span, .funnel .lvl em { white-space: nowrap; }
.funnel .lvl:nth-child(2) { width: 80%; }
.funnel .lvl:nth-child(3) { width: 62%; }
.funnel .lvl em { margin-left: 6px; }
@media (max-width: 640px) {
  .funnel .lvl { white-space: normal; height: auto; min-height: 54px; padding: 12px 14px; flex-wrap: wrap; }
  .funnel .lvl:nth-child(2), .funnel .lvl:nth-child(3) { width: 100%; }
}

/* 漏斗：任何宽度都不换行（放不下就省略，不折行） */
.funnel .lvl { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  white-space: nowrap; overflow: hidden; }
.funnel .lvl b { display: flex; align-items: baseline; gap: 8px; min-width: 0; overflow: hidden; white-space: nowrap; }
.funnel .lvl b em { font-style: normal; color: var(--text-3); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.funnel .lvl span { flex: none; white-space: nowrap; }
.funnel .lvl:nth-child(3) { width: 66%; }
@media (max-width: 640px) {
  .funnel .lvl { height: auto; min-height: 54px; padding: 12px 14px; flex-direction: column; align-items: flex-start; gap: 4px; white-space: normal; }
  .funnel .lvl b { white-space: normal; }
  .funnel .lvl:nth-child(2), .funnel .lvl:nth-child(3) { width: 100%; }
}

/* 漏斗第三层不是告警，去掉误加的橙色边框 */
.funnel .lvl:nth-child(3) { border-color: var(--glass-border); }

/* 未上详情页的文章卡：不暗示可点击 */
.card-static { cursor: default; }
.card-static:hover { transform: none; border-color: var(--border); box-shadow: none; }

/* 内容枢纽：三档原创内容 */
.ch-row { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; padding: 36px; margin-bottom: 20px; align-items: start; }
.ch-row .ch-idx { font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; color: var(--primary-strong); }
.ch-row h3 { margin: 10px 0 12px; font-size: clamp(20px, 2vw, 26px); }
.ch-row .ch-sub { color: var(--text-2); font-size: 15px; line-height: 1.85; margin: 0 0 14px; }
.ch-row .ch-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--primary-strong); }
.ch-list { border-left: 1px solid var(--line); padding-left: 24px; }
.ch-list .ch-label { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; color: var(--text-3); display: block; margin-bottom: 10px; }
.ch-list ol, .ch-list ul { margin: 0; padding-left: 1.1em; }
.ch-list li { margin: 8px 0; font-size: 13.5px; color: var(--text-2); line-height: 1.7; }
@media (max-width: 860px) {
  .ch-row { grid-template-columns: 1fr; gap: 22px; padding: 24px; }
  .ch-list { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; padding-top: 18px; }
}

/* ==========================================================================
   内容枢纽：三档内容各自的样子（2026-10-26）
   ========================================================================== */

/* 白皮书：书 */
.wb { display: grid; grid-template-columns: 300px minmax(0,1fr); border-radius: 18px; overflow: hidden;
  border: 1px solid var(--glass-border); background: var(--glass); margin-bottom: 22px; }
.wb-cover { position: relative; padding: 32px 26px 26px; display: flex; flex-direction: column; justify-content: space-between; gap: 16px;
  background: linear-gradient(160deg, #0B1A2C, #060D16); border-right: 1px solid var(--line); min-height: 250px; }
.wb-cover::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 7px;
  background: linear-gradient(180deg, var(--primary-strong), rgba(34,211,238,.06)); opacity: .8; }
.wb-eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; color: var(--primary-strong); }
.wb-cover h3 { margin: 0; font-size: 21px; line-height: 1.45; }
.wb-meta { font-family: var(--font-mono); font-size: 12px; color: var(--text-3); }
.wb-body { padding: 30px 32px; display: flex; flex-direction: column; gap: 14px; }
.wb-body p { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.85; }
.wb-toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.wb-toc li { font-size: 12.5px; color: var(--text-2); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; }

/* 播客：声音 */
.pod { display: grid; grid-template-columns: 210px minmax(0,1fr); gap: 34px; align-items: center;
  padding: 30px 34px; border-radius: 18px; border: 1px solid var(--glass-border);
  background: linear-gradient(115deg, rgba(34,211,238,.10), rgba(7,11,20,0) 62%); margin-bottom: 22px; }
.pod-wave { display: flex; align-items: center; gap: 4px; height: 84px; }
.pod-wave span { width: 4px; border-radius: 2px; background: linear-gradient(180deg, var(--primary-strong), rgba(34,211,238,.12)); }
.pod h3 { margin: 8px 0 10px; font-size: 24px; }
.pod p { margin: 0 0 14px; color: var(--text-2); font-size: 14.5px; line-height: 1.8; }

/* 日记：日志 */
.diary { padding: 8px 0 8px 30px; border-left: 2px solid rgba(34,211,238,.22); margin-bottom: 22px; }
.diary ul { margin: 0; padding: 0; list-style: none; }
.diary li { position: relative; margin: 0 0 24px; }
.diary li:last-child { margin-bottom: 0; }
.diary li::before { content: ""; position: absolute; left: -38px; top: 6px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--primary-strong); box-shadow: 0 0 0 4px rgba(34,211,238,.12); }
.diary .dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--text-3); display: block; }
.diary b { display: block; margin: 4px 0 6px; font-size: 16px; color: var(--text); }
.diary p { margin: 0; color: var(--text-2); font-size: 14px; line-height: 1.8; }

@media (max-width: 860px) {
  .wb { grid-template-columns: 1fr; }
  .wb-cover { border-right: 0; border-bottom: 1px solid var(--line); min-height: 0; }
  .pod { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
  .pod-wave { height: 56px; }
}

/* 日记：同样用卡片容器（与书、声音一致），内部用栏目分栏 */
.note { border: 1px solid var(--glass-border); border-radius: 18px; background: var(--glass);
  padding: 30px 34px; margin-bottom: 22px; }
.note-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.note h3 { margin: 0 0 18px; font-size: 22px; }
.note-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border-top: 1px solid var(--line); }
.note-item { padding: 18px 22px 4px; border-left: 1px dashed var(--line); }
.note-item:first-child { padding-left: 0; border-left: 0; }
.note-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--text-3); }
.note-item b { display: block; margin: 7px 0 8px; font-size: 15.5px; color: var(--text); }
.note-item p { margin: 0; color: var(--text-2); font-size: 13.5px; line-height: 1.8; }
.note-foot { margin-top: 18px; }
@media (max-width: 860px) {
  .note { padding: 24px; }
  .note-grid { grid-template-columns: 1fr; }
  .note-item { padding: 16px 0 4px; border-left: 0; border-top: 1px dashed var(--line); }
  .note-item:first-child { border-top: 0; }
}

/* ==========================================================================
   三档内容：统一卡框（头行 / 主体 / 脚行），主体各自不同
   ========================================================================== */
.ch-card { border: 1px solid var(--glass-border); border-radius: 18px; background: var(--glass);
  margin-bottom: 22px; overflow: hidden; }
.ch-head { display: flex; align-items: center; gap: 14px; padding: 16px 26px; border-bottom: 1px solid var(--line); }
.ch-num { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--primary-strong); }
.ch-type { font-size: 13px; color: var(--text-2); }
.ch-state { margin-left: auto; font-size: 12px; color: var(--text-3); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 11px; white-space: nowrap; }
.ch-body { padding: 28px 26px; }
.ch-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 26px; border-top: 1px solid var(--line); background: rgba(255,255,255,.015); }
.ch-meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-3); }

/* 白皮书主体：封面 + 文字 */
.book-body { display: grid; grid-template-columns: 250px minmax(0,1fr); gap: 28px; align-items: stretch; }
.book-cover { position: relative; border-radius: 12px; padding: 26px 22px; display: flex; flex-direction: column;
  justify-content: space-between; gap: 16px; min-height: 220px;
  background: linear-gradient(160deg, #0B1A2C, #060D16); border: 1px solid var(--line); overflow: hidden; }
.book-cover::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px;
  background: linear-gradient(180deg, var(--primary-strong), rgba(34,211,238,.05)); }
.book-cover h4 { margin: 0; font-size: 19px; line-height: 1.5; }
.book-cover .ch-meta { display: block; }

/* 播客主体：波形 + 文字 */
.pod-body { display: grid; grid-template-columns: 190px minmax(0,1fr); gap: 28px; align-items: center; }
.pod-body h4 { margin: 0 0 10px; font-size: 22px; }
.pod-body p { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.8; }

/* 日记主体：三栏手记 */
.note-body { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); }
.note-body > div { padding: 4px 22px 0; border-left: 1px dashed var(--line); }
.note-body > div:first-child { padding-left: 0; border-left: 0; }
.note-body b { display: block; margin: 0 0 8px; font-size: 15.5px; }
.note-body p { margin: 0; color: var(--text-2); font-size: 13.5px; line-height: 1.8; }
.note-body .ch-num { display: block; margin-bottom: 8px; }

@media (max-width: 900px) {
  .book-body, .pod-body { grid-template-columns: 1fr; gap: 20px; }
  .note-body { grid-template-columns: 1fr; }
  .note-body > div { padding: 14px 0 0; border-left: 0; border-top: 1px dashed var(--line); }
  .note-body > div:first-child { border-top: 0; padding-top: 0; }
}

/* 首页：一套方案（三段串联） */
.sol-row { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 10px; align-items: stretch; }
.sol-node { display: flex; flex-direction: column; gap: 6px; padding: 20px 18px; border-radius: 14px;
  background: var(--glass); border: 1px solid var(--glass-border); }
.sol-node.hot { border-color: rgba(34,211,238,.34); background: linear-gradient(160deg, rgba(34,211,238,.10), rgba(7,11,20,0)); }
.sol-k { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--primary-strong); }
.sol-node b { font-size: 15.5px; }
.sol-node .sol-d { font-size: 12.5px; color: var(--text-2); line-height: 1.7; }
.sol-arrow { display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 18px; }
.sol-band { margin: 20px 0 0; text-align: center; font-family: var(--font-mono); font-size: 12.5px; color: var(--text-2); letter-spacing: .04em; }
.sol-note { margin: 10px 0 0; text-align: center; font-size: 13px; color: var(--text-3); }
.sol-links { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
@media (max-width: 900px) {
  .sol-row { grid-template-columns: 1fr; }
  .sol-arrow { transform: rotate(90deg); padding: 2px 0; }
}

/* ==========================================================================
   首页新叙事（2026-10-28）：方案地图 / 三类麻烦 / 三段
   ========================================================================== */
.solmap { display: flex; flex-direction: column; gap: 0; }
.solmap-row { display: flex; flex-direction: column; gap: 4px; padding: 14px 18px; border-radius: 12px;
  background: var(--glass); border: 1px solid var(--glass-border); }
.solmap-row b { font-size: 15px; }
.solmap-row span { font-size: 12.5px; color: var(--text-2); line-height: 1.6; }
.solmap-row.head { flex-direction: row; align-items: center; gap: 10px; padding: 10px 16px; color: var(--text-2); font-size: 12.5px; }
.solmap-row.accent { border-color: rgba(34,211,238,.34); background: linear-gradient(160deg, rgba(34,211,238,.10), rgba(7,11,20,0)); }
.solmap-arrow { text-align: center; color: var(--text-3); font-size: 13px; padding: 6px 0; }
.solmap-band { margin-top: 12px; text-align: center; font-family: var(--font-mono); font-size: 11.5px;
  color: var(--text-2); letter-spacing: .03em; }

.seg3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.seg { display: flex; flex-direction: column; gap: 12px; padding: 28px; border-radius: 16px;
  background: var(--glass); border: 1px solid var(--glass-border); }
.seg-k { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--primary-strong); }
.seg h3 { margin: 0; font-size: 19px; }
.seg p { margin: 0; font-size: 14px; color: var(--text-2); line-height: 1.8; }
.seg ul { margin: 0; padding-left: 1.1em; }
.seg li { font-size: 13px; color: var(--text-2); margin: 7px 0; line-height: 1.7; }
.seg .ch-link { margin-top: auto; }
@media (max-width: 900px) { .seg3 { grid-template-columns: 1fr; } }

/* 首页：能做什么（场景卡） */
.jobs { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.job { display: flex; flex-direction: column; gap: 8px; padding: 24px; border-radius: 16px;
  background: var(--glass); border: 1px solid var(--glass-border); }
.job-k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; color: var(--text-3); }
.job h3 { margin: 0; font-size: 17px; }
.job p { margin: 0; font-size: 13px; line-height: 1.75; color: var(--text-3); }
.job p.a { color: var(--text-2); }
.job p.b::before { content: "以前 · "; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .06em; }
.job p.a::before { content: "现在 · "; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .06em; color: var(--primary-strong); }
@media (max-width: 980px) { .jobs { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .jobs { grid-template-columns: 1fr; } }

/* 首页场景卡：每张配一个小样（不做整屏截图，只取能看懂的那一块） */
.job { padding: 18px; gap: 12px; }
.jv { height: 118px; border-radius: 12px; border: 1px solid var(--line); background: #060D16;
  padding: 12px 14px; display: flex; flex-direction: column; justify-content: center; gap: 8px;
  font-size: 11.5px; color: var(--text-2); overflow: hidden; }
.jv-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.jv b { color: var(--text); font-size: 12px; font-weight: 600; }
.jv .jv-k { font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; color: var(--text-3); display: block; }
.jv .num { font-family: var(--font-mono); font-size: 13px; color: var(--text); }
.jv-meta { font-size: 10.5px; color: var(--text-3); line-height: 1.5; }
.jv-badge { font-size: 10px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--text-2); }
.jv-badge.ok { color: var(--ok-text); border-color: rgba(52,211,153,.35); }
.jv-badge.no { color: var(--danger-text); border-color: rgba(248,113,113,.35); }
.jv-q { align-self: flex-end; max-width: 88%; background: rgba(34,211,238,.12); border: 1px solid rgba(34,211,238,.22);
  border-radius: 10px 10px 2px 10px; padding: 6px 10px; font-size: 11px; color: var(--text); line-height: 1.5; }
.jv-a { max-width: 94%; background: rgba(255,255,255,.03); border: 1px solid var(--line);
  border-radius: 10px 10px 10px 2px; padding: 6px 10px; font-size: 11px; line-height: 1.6; }
.jv-src { display: inline-block; margin-left: 6px; font-family: var(--font-mono); font-size: 9.5px;
  color: var(--primary-strong); border: 1px solid rgba(34,211,238,.28); border-radius: 4px; padding: 0 5px; }
.jv-eq { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.jv-sign { font-family: var(--font-mono); color: var(--primary-strong); font-size: 14px; }
.jv-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.jv-chip { font-size: 10px; border: 1px solid var(--line); border-radius: 6px; padding: 3px 7px; color: var(--text-2); }
.jv-chip.hot { border-color: rgba(34,211,238,.35); color: var(--primary-strong); }
.jv-down { text-align: center; color: var(--text-3); font-size: 11px; line-height: 1; }

/* 「它是什么」下方：两块界面小样（闸门 / 工作台各取一块） */
.duo-mock { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 30px; }
.duo-mock .window { margin: 0; }
.mock-cap { margin: 12px 0 0; text-align: center; font-size: 12px; color: var(--text-3); }
@media (max-width: 900px) { .duo-mock { grid-template-columns: 1fr; } }

/* 两块界面小样改为上下通栏，避免内部网格被挤 */
.duo-mock { grid-template-columns: 1fr; gap: 16px; }
.duo-mock .window { width: 100%; }
.duo-mock .win-body { padding: 14px 16px; }
.duo-mock .chat { max-width: 720px; }

/* 修：win-body 默认是两栏（给侧栏留位），单独用时压成一栏 */
.duo-mock .win-body { display: block; grid-template-columns: none; min-height: 0; padding: 14px 18px; }
.duo-mock .chat { min-width: 0; }

/* 产品界面截图（渲染成图片，不再用 DOM 拼表格） */
.shot-frame { border-radius: 14px; overflow: hidden; border: 1px solid var(--glass-border);
  background: #060D16; box-shadow: 0 30px 80px rgba(0,0,0,.45); }
.shot-bar { display: flex; align-items: center; gap: 10px; padding: 9px 14px; background: #0A1220;
  border-bottom: 1px solid var(--line); }
.shot-bar .dots { display: flex; gap: 5px; }
.shot-bar .dots i { width: 8px; height: 8px; border-radius: 50%; display: block; }
.shot-bar .t { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); letter-spacing: .02em; }
.shot-frame img { display: block; width: 100%; height: auto; }
.shot-stack { display: flex; flex-direction: column; gap: 22px; margin-top: 30px; }
.hero-visual .shot-frame { box-shadow: 0 34px 90px rgba(0,0,0,.5); }

/* 首屏：给产品图更多位置 */
.hero-marketing .hero-grid { grid-template-columns: minmax(0, 470px) minmax(0, 1fr); gap: 56px; }
.hero-marketing .hero-visual .shot-frame { outline: 1px solid rgba(34,211,238,.10); }
@media (max-width: 1024px) {
  .hero-marketing .hero-grid { grid-template-columns: 1fr; }
}

/* 首屏产品图向右出血，增强视觉重量 */
.hero-marketing { overflow: hidden; }
.hero-marketing .hero-grid { grid-template-columns: minmax(0, 430px) minmax(0, 1fr); }
.hero-marketing .hero-visual { margin-right: calc(-1 * clamp(0px, (100vw - 1120px) / 2, 240px)); }
@media (max-width: 1024px) {
  .hero-marketing .hero-visual { margin-right: 0; }
}

/* ==========================================================================
   首页 B 版（暗色 + 概念稿结构）：信任条 / 三段图文 / 场景 / 案例
   ========================================================================== */
.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.02); }
.trust-strip .inner { display: flex; align-items: center; gap: 34px; flex-wrap: wrap; padding: 18px 0; font-size: 13.5px; color: var(--text-3); }
.trust-strip b { color: var(--text); font-weight: 600; }
.trust-strip .right { margin-left: auto; }

.hero-shot { /* 首屏产品图 */ }

.seg-row { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); gap: 64px; align-items: center; }
.seg-row + .seg-row { margin-top: 96px; }
.seg-row.flip { grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); }
.seg-row .seg-k { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .12em; color: var(--primary-strong); }
.seg-row h3 { margin: 12px 0 14px; font-size: clamp(24px, 2.6vw, 34px); line-height: 1.32; }
.seg-row ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.seg-row li { display: flex; gap: 10px; color: var(--text-2); font-size: 15px; line-height: 1.75; }
.seg-row li::before { content: ""; flex: none; width: 16px; height: 16px; margin-top: 6px; border-radius: 50%;
  background: rgba(34,211,238,.1) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='%2322D3EE' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/11px no-repeat; }
.seg-row .more { display: inline-block; margin-top: 24px; font-weight: 600; color: var(--primary-strong); font-size: 14.5px; }

.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fact { border: 1px solid var(--glass-border); border-radius: 12px; padding: 18px 20px; background: var(--glass); }
.fact .l { font-size: 12px; color: var(--text-3); }
.fact .v { font-size: 19px; font-weight: 700; margin-top: 6px; color: var(--text); }

.scn-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 16px; overflow: hidden; margin-top: 46px; }
.scn-grid > div { background: var(--bg-elev, #0A1220); padding: 28px; }
.scn-grid .tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; color: var(--primary-strong); }
.scn-grid h4 { margin: 10px 0 8px; font-size: 17px; }
.scn-grid p { margin: 0; color: var(--text-2); font-size: 14px; line-height: 1.75; }

.case-cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; margin-top: 44px; }
.case-card { background: var(--glass); border: 1px solid var(--glass-border); border-radius: 16px; padding: 26px; }
.case-card .tag { font-size: 11.5px; color: var(--text-3); }
.case-card h4 { margin: 10px 0; font-size: 16.5px; }
.case-card p { margin: 0; color: var(--text-2); font-size: 13.5px; line-height: 1.75; }

@media (max-width: 980px) {
  .seg-row, .seg-row.flip { grid-template-columns: 1fr; gap: 28px; }
  .seg-row + .seg-row { margin-top: 64px; }
  .scn-grid, .case-cards { grid-template-columns: 1fr; }
  .hero-shot { margin-top: 28px; }
  .trust-strip .inner { gap: 14px; }
  .trust-strip .right { margin-left: 0; }
}

/* 首屏信任点（B 版） */
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 26px; margin-top: 26px; font-size: 13.5px; color: var(--text-3); }
.hero-points b { color: var(--text); font-weight: 700; margin-right: 3px; }
.hero-marketing .hero-grid { grid-template-columns: minmax(0, 500px) minmax(0, 1fr); }
.hero-marketing .hero-title { font-size: clamp(34px, 3.6vw, 50px); }

/* 三段标题不要孤字换行 */
.seg-row h3 { font-size: clamp(22px, 2.2vw, 30px); text-wrap: balance; }

/* 没有配图的行：单列铺满 */
.feature-row:has(.fr-media:empty) { grid-template-columns: 1fr !important; }
.fr-media:empty { display: none !important; }

/* 一级导航 + 产品下拉 */
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav .nav-link { display: inline-flex; align-items: center; gap: 4px; padding: 8px 12px; border-radius: 6px; }
.site-nav .nav-link:hover { background: rgba(255,255,255,.06); }
.nav-item { position: relative; }
.nav-item .caret { width: 12px; height: 12px; opacity: .55; transition: transform .2s; }
.nav-item:hover .caret { transform: rotate(180deg); }
.nav-sub { position: absolute; top: calc(100% + 6px); left: 0; min-width: 260px; padding: 8px; z-index: 60;
  background: #0A1220; border: 1px solid rgba(255,255,255,.12); border-radius: 10px;
  box-shadow: 0 24px 60px rgba(0,0,0,.6); opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity .18s, transform .18s, visibility .18s; }
.nav-item:hover .nav-sub, .nav-item:focus-within .nav-sub { opacity: 1; visibility: visible; transform: none; }
.nav-sub a { display: block; padding: 10px 12px; border-radius: 8px; text-decoration: none; }
.nav-sub a:hover { background: rgba(34,211,238,.1); }
.nav-sub b { display: block; font-size: 13.5px; color: #E6EDF7; font-weight: 600; }
.nav-sub span { display: block; margin-top: 2px; font-size: 11.5px; color: #7C8AA5; }
@media (max-width: 900px) { .nav-sub { display: none; } }

/* ---------------- 导航修正（2026-10-28） ---------------- */
/* 1) 高度：72 → 84 */
.header-inner { height: 84px; }
/* 2) 菜单左对齐，不居中 */
.site-nav { margin-inline: 0 !important; margin-right: auto !important; gap: 2px; }
.site-nav .nav-link { height: 42px; font-size: 15px; padding: 0 14px; }
/* 3) 去掉产品下拉指示器 */
.nav-item .caret, .nav-link .caret { display: none !important; }
/* 4) 修 hover 断链：下拉与触发项之间留一块不可见的“桥” */
.nav-item::after {
  content: ""; position: absolute; left: -6px; right: -6px; top: 100%; height: 16px; z-index: 55;
}
.nav-sub { top: calc(100% + 6px) !important; }
/* 5) 下拉样式统一（覆盖前面两套实现） */
.nav-item:hover .nav-sub, .nav-item:focus-within .nav-sub { display: flex !important; opacity: 1 !important; visibility: visible !important; transform: none !important; }
.nav-sub { display: none; opacity: 1; visibility: visible; transform: none; }

/* 当前页：只变文字色，不做底色块 */
.site-nav .nav-link.active { background: none !important; color: var(--text) !important; }
.site-nav .nav-link:hover { background: var(--surface-2); }

/* 全站统一头高 88px */
.header-inner { height: 88px !important; }
.site-nav .nav-link { height: 44px; }

/* 导航靠右，去掉自诊断按钮后让 CTA 贴右 */
.site-nav { margin-inline: auto 0 !important; margin-right: 24px !important; }
.header-cta { margin-left: 0; }

/* ===== mobile nav fix (2026-10-29) =====
   文件末尾那些无媒体查询的 .site-nav / .nav-toggle 规则会覆盖早先的移动端规则，
   这里用同 specificity + 更靠后的源码顺序把移动端行为拿回来。 */
@media (max-width: 980px) {
  .site-header .header-inner { gap: 8px; }
  .site-header .site-nav { display: none; margin: 0 !important; }
  .site-header .nav-toggle {
    display: inline-flex !important; margin-left: auto !important;
    align-items: center; justify-content: center; width: 40px; height: 40px;
  }
  .site-header .header-cta { display: none !important; }

  .site-header.open .site-nav {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; left: 0; right: 0; top: 88px;
    margin: 0 !important; padding: 10px 16px 16px;
    background: var(--bg-2, #070B14);
    border-bottom: 1px solid var(--line, rgba(255,255,255,.10));
    box-shadow: 0 24px 60px rgba(0,0,0,.55);
    gap: 2px; z-index: 100;
  }
  .site-header.open .site-nav .nav-link {
    height: 46px; justify-content: flex-start; padding: 0 12px;
    font-size: 15px;
  }
  .site-header.open .site-nav .nav-item { position: static; }
  .site-header.open .site-nav .nav-sub {
    position: static; display: flex; flex-direction: column; gap: 2px;
    min-width: 0; padding: 2px 0 6px 12px; border: 0; background: transparent;
    box-shadow: none; opacity: 1; visibility: visible; transform: none;
  }
  .site-header.open .site-nav .nav-sub a { padding: 8px 10px; }
}