/* =========================================================
   识度 AI Growth — 全站样式 V7（暖纸 · 赭橙 / 经营顾问感）
   基调：暖米白纸底 + 暖墨字 + 低饱和赭橙作唯一强调色。
   V7 重点：配色从"科技发布会"转为"克制的经营顾问感"——
            撤橙渐变大标题、撤大面积橙光晕、eyebrow 改描边式；
            橙色仅用于：按钮、序号、小圆点、个别关键词（整屏 ≤5%）。
   历史快照见 ../shidu-site-versions/（v1–v6）。
   ========================================================= */

:root {
  --ink: #191713;            /* 暖墨：标题与正文主色 */
  --ink-soft: #4d4a42;
  --muted: #7d7a70;
  --faint: #a9a498;
  --bg: #faf9f5;
  --bg-alt: #f2efe7;         /* 暖灰：区块交替底 */
  --bg-deep: #17150f;        /* 深墨区（英雄产品与预约屏） */
  --line: #e5e1d6;
  --line-dark: #2f2c24;
  --accent: #b45309;         /* 赭橙：经营顾问感，低饱和 */
  --accent-ink: #8f4307;
  --accent-bright: #d98d52;  /* 深底上的亮赭橙 */
  --accent-soft: #f6ecdf;
  --paper: #faf9f5;

  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Songti SC", "STSongti-SC", "STSong", "SimSun", "Noto Serif SC", serif;

  --container: 1120px;
  --radius: 1px;
  --ease-out: cubic-bezier(.22, .61, .36, 1);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #fff; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---------- 容器与排版 ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 128px 0; }
.section--alt { background: var(--bg-alt); }
.section--deep { background: var(--bg-deep); color: #f2f1ee; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
}
.section--deep .eyebrow { color: var(--accent-bright); }

/* 标题体系（V3 字阶：H1 72 / H2 46 / H3 27；微调：字重 700 收紧字距） */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0;
}

.h-display {
  font-size: clamp(38px, 4.6vw, 54px);
  line-height: 1.24;
  letter-spacing: -0.012em;
}

.h-section {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.3;
}
.h-section--xl { font-size: clamp(34px, 4.8vw, 56px); }

.h-card { font-size: 22px; line-height: 1.4; }

.section-intro {
  font-size: 15.5px;
  color: var(--muted);
  margin-top: 18px;
  max-width: 640px;
}
.section-intro .hint-mobile { display: none; }
.section-intro .hint-desktop { display: inline; }
@media (hover: none) {
  .section-intro .hint-desktop { display: none; }
  .section-intro .hint-mobile { display: inline; }
}

.lead {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 680px;
  margin-top: 22px;
  font-family: var(--font-sans);
}
.section--deep .lead { color: #a7b2ab; }

.small-note { font-size: 13px; color: var(--faint); }

.br-m { display: none; }
@media (max-width: 640px) { .br-m { display: block; } }
.br-d { display: none; }
@media (min-width: 641px) { .br-d { display: block; } }

/* ---------- 按钮（含微交互） ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  padding: 15px 34px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  transition: transform .25s var(--ease-out), background .2s ease, color .2s ease, border-color .2s ease, box-shadow .25s ease;
  cursor: pointer;
  letter-spacing: 0.03em;
  text-align: center;
}
.btn:active { transform: scale(.98); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 1px 0 rgba(180, 83, 9, 0); }
.btn--primary:hover {
  background: var(--accent-ink);
  border-color: var(--accent-ink);
  transform: scale(1.02);
  box-shadow: 0 10px 28px -14px rgba(180, 83, 9, .413);
}
.btn--primary::after {
  content: "→";
  display: inline-block;
  margin-left: 8px;
  transition: transform .25s var(--ease-out);
}
.btn--primary:hover::after { transform: translateX(4px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: #fff; }
.btn--light { background: #fff; color: var(--ink); border-color: #fff; }
.btn--light:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: scale(1.02); }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn--ghost-light:hover { border-color: var(--accent-bright); color: var(--accent-bright); }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 40px; }

/* ---------- 顶部导航（透明 → 毛玻璃） ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  background: rgba(255,255,255,.82);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px -22px rgba(20,30,25,.25);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--accent);
}
.brand__mark { font-family: var(--font-serif); }
.brand__en {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a:not(.btn) {
  font-size: 14.5px;
  color: var(--ink-soft);
  padding: 4px 0;
  position: relative;
  transition: color .2s ease;
}
/* 文本链接 hover：下划线从左至右 */
.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease-out);
}
.site-nav a:not(.btn):hover { color: var(--accent); }
.site-nav a:not(.btn):hover::after,
.site-nav a:not(.btn).is-active::after { transform: scaleX(1); }
.site-nav a:not(.btn).is-active { color: var(--ink); font-weight: 600; }
.site-nav .btn { padding: 9px 20px; font-size: 13.5px; color: #fff; }
.site-nav .btn--primary, .site-nav .btn--primary:hover { color: #fff; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: none; background: transparent;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--ink);
  margin: 5px auto;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero {
  padding: 110px 0 64px;
  background:
    radial-gradient(640px 420px at 88% 8%, rgba(180, 83, 9, .012), transparent 62%),
    radial-gradient(500px 380px at -8% 92%, rgba(180, 83, 9, .007), transparent 60%),
    linear-gradient(180deg, var(--paper) 0%, #ffffff 90%);
  position: relative;
  overflow: hidden;
}
.hero__grid-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: calc(100% / 4) 100%;
  opacity: .45;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: center;
}
.hero__copy { position: relative; }
.hero__rotor-line {
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.6vw, 28px);
  font-weight: 600;
  line-height: 1.55;
  margin-top: 22px;
  color: var(--ink);
}
.rotor {
  display: inline-block;
  position: relative;
  height: 1.55em;
  overflow: hidden;
  vertical-align: bottom;
  min-width: 6.4em; /* 需容纳最长词「组织流程」= 6 个全角字符宽，否则右括号被裁 */
}
.rotor__word {
  position: absolute;
  left: 0; top: 0;
  color: var(--accent);
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  opacity: 0;
  transform: translateY(60%);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
}
.rotor__word:hover { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 2px; }
.rotor__word.is-current { opacity: 1; transform: translateY(0); }
.rotor__word.is-leaving { opacity: 0; transform: translateY(-60%); }

.hero__sub {
  font-size: clamp(15.5px, 1.8vw, 18px);
  color: var(--muted);
  margin-top: 26px;
  line-height: 1.9;
}

/* 业务系统网络 */
.hero__net { position: relative; justify-self: center; align-self: center; width: 100%; }
.hero__net svg { width: 100%; height: auto; max-width: 440px; margin: 0 auto; display: block; }
@media (max-width: 900px) { .hero__net svg { max-width: 380px; } }
.net-links line {
  stroke: var(--line);
  stroke-width: 1;
}
.net-node circle {
  fill: #fff;
  stroke: #c9c7c0;
  stroke-width: 1.2;
  transition: stroke .4s ease;
}
.net-node text {
  font-family: var(--font-sans);
  font-size: 12.5px;
  fill: var(--ink-soft);
  font-weight: 500;
  text-anchor: middle;
  dominant-baseline: middle;
  letter-spacing: .04em;
}
/* 节点呼吸高亮：9s 一轮，逐个错峰，纯 CSS（只动描边/文字色，不动 transform 以免破坏 SVG 定位） */
.net-node circle { animation: netStroke 9s infinite; animation-delay: calc(var(--i) * 1s); }
@keyframes netStroke {
  0%, 10%, 100% { stroke: var(--line); }
  5% { stroke: var(--accent); }
}
/* SVG g 无法用 CSS transform 定位（已有 transform 属性），只对 circle/text 做描边与文字变色 */
.net-node text { animation: netText 9s infinite; animation-delay: calc(var(--i) * 1s); }
@keyframes netText {
  0%, 10%, 100% { fill: var(--ink-soft); }
  5% { fill: var(--accent); font-weight: 600; }
}

.hero__meta {
  margin-top: 72px;
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 30px;
  max-width: 820px;
}
.hero__meta-item { min-width: 120px; }
.hero__meta-num {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
}
.hero__meta-label { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ---------- 问题交互卡片 ---------- */
.pcard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.pcard {
  position: relative;
  border: 1px solid var(--line);
  background: #fff;
  min-height: 200px;
  padding: 26px 26px 24px;
  cursor: default;
  outline: none;
  transition: border-color .3s ease, transform .3s var(--ease-out), box-shadow .3s ease;
}
.pcard em {
  font-style: normal;
  font-family: var(--font-serif);
  font-size: 14px;
  color: rgba(180, 83, 9, .65);
  display: block;
  margin-bottom: 16px;
}
.pcard__front p {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}
.pcard__back {
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.8;
}
.pcard__why { color: var(--muted); }
.pcard__judge { color: var(--ink-soft); margin-top: 8px; }
.pcard__back b {
  font-weight: 600;
  color: var(--accent);
  margin-right: 8px;
  font-size: 12px;
  letter-spacing: .1em;
}
/* 折叠/展开：grid-rows 动画 */
.pcard__back {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows .45s var(--ease-out), opacity .45s ease;
}
.pcard__back > p { overflow: hidden; min-height: 0; }
/* 桌面 hover 展开 */
@media (hover: hover) {
  .pcard:hover, .pcard:focus-visible { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 18px 40px -28px rgba(180, 83, 9, .3); }
  .pcard:hover .pcard__back, .pcard:focus-visible .pcard__back { grid-template-rows: 1fr; opacity: 1; }
  .pcard:hover em { color: var(--accent); }
}
/* 移动端 tap 展开（JS 加 is-open；样式放基础层，is-open 仅由触屏分支添加） */
.pcard.is-open { border-color: var(--accent); transform: translateY(-2px); }
.pcard.is-open .pcard__back { grid-template-rows: 1fr; opacity: 1; }
.pcard.is-open em { color: var(--accent); }

@media (hover: none) {
  .pcard { cursor: pointer; }
}

.answer-line {
  margin-top: 64px;
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.8vw, 28px);
  font-weight: 600;
  line-height: 1.5;
}
.answer-line span { color: var(--accent); }

/* ---------- 我们怎么工作（Sticky Scroll） ---------- */
.method {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 72px;
  margin-top: 72px;
  align-items: start;
}
.method__visual {
  position: sticky;
  top: 140px;
}
.method__track {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.method__node {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  opacity: .38;
  transition: opacity .4s ease;
}
.method__node i {
  font-style: normal;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  transition: border-color .4s ease, color .4s ease, background .4s ease, box-shadow .4s ease;
  flex-shrink: 0;
}
.method__node span {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
}
.method__node.is-active { opacity: 1; }
.method__node.is-active i {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 22px -10px rgba(180, 83, 9, .413);
}
.method__node.is-active span { color: var(--accent); }
.method__link {
  width: 1px;
  height: 34px;
  background: var(--line);
  margin-left: 23px;
}
.method__link.is-active { background: var(--accent); }

.method-step {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
  min-height: 46vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.method-step:last-child { border-bottom: none; min-height: 40vh; }
.method-step__no {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--faint);
  transition: color .4s ease;
}
.method-step h3 {
  font-size: clamp(22px, 2.6vw, 30px);
  margin: 14px 0 12px;
}
.method-step p {
  font-size: 15.5px;
  color: var(--muted);
  max-width: 480px;
}
.method-step.is-active .method-step__no { color: var(--accent); }

.method-note {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ---------- AI 应该进入哪里（交互探索） ---------- */
.xmap {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  margin-top: 56px;
  border: 1px solid var(--line);
  background: #fff;
}
.xmap__tabs {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: var(--paper);
}
.xmap__tab {
  text-align: left;
  padding: 18px 28px;
  font-size: 16px;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--ink-soft);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  position: relative;
  transition: color .25s ease, background .25s ease;
}
.xmap__tab:last-child { border-bottom: none; }
.xmap__tab::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform .3s var(--ease-out);
}
.xmap__tab:hover { color: var(--accent); background: #fff; }
.xmap__tab.is-active { color: var(--accent); background: #fff; }
.xmap__tab.is-active::before { transform: scaleY(1); }

.xmap__panels { position: relative; padding: 44px 48px; min-height: 320px; }
.xmap__panel { display: none; }
.xmap__panel.is-active { display: block; animation: panelIn .4s var(--ease-out); }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.xmap__panel h3 { font-size: 20px; margin-bottom: 22px; }
.xmap__panel ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.xmap__panel li {
  padding: 9px 18px;
  border: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--ink-soft);
  background: var(--paper);
  transition: border-color .25s ease, color .25s ease;
}
.xmap__panel li:hover { border-color: var(--accent); color: var(--accent); }
.xmap__judge {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 服务交互卡片 ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
  align-items: stretch;
}
.svc {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: #fff;
  padding: 34px 30px 28px;
  transition: border-color .3s ease, transform .3s var(--ease-out), box-shadow .3s ease;
}
.svc__no {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--faint);
}
.svc h3 { font-size: 21px; margin: 16px 0 10px; }
.svc__one {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.8;
}
.svc__price { margin-top: 22px; font-size: 15px; font-weight: 500; }
.svc__price b { font-size: 22px; font-weight: 700; color: var(--accent); }
.svc__price i { font-style: normal; font-size: 12.5px; color: var(--faint); font-weight: 400; }
.svc__more {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows .45s var(--ease-out), opacity .45s ease;
}
.svc__more > p, .svc__more > .svc__go { overflow: hidden; min-height: 0; }
.svc__more p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.75; padding-top: 14px; }
.svc__more p b {
  display: block;
  font-weight: 600;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .1em;
  margin-bottom: 2px;
}
.svc__go {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
  padding-top: 14px;
  transition: transform .25s var(--ease-out);
}
@media (hover: hover) {
  .svc:hover, .svc:focus-visible {
    border-color: var(--accent);
    transform: translateY(-6px);
    box-shadow: 0 22px 48px -30px rgba(180, 83, 9, .338);
  }
  .svc:hover .svc__more, .svc:focus-visible .svc__more { grid-template-rows: 1fr; opacity: 1; }
  .svc:hover .svc__go { transform: translateX(3px); }
}
.svc.is-open { border-color: var(--accent); transform: translateY(-3px); }
.svc.is-open .svc__more { grid-template-rows: 1fr; opacity: 1; }
@media (hover: none) {
  .svc { cursor: pointer; }
}

/* ---------- 业务结果计数 ---------- */
.count-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 56px;
}
.count { background: #fff; padding: 46px 40px; }
.count__num {
  font-family: var(--font-serif);
  font-size: clamp(38px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent);
  white-space: nowrap;
}
.count__label { font-size: 14px; color: var(--muted); margin-top: 10px; }

/* ---------- 案例横向大卡 ---------- */
.case-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}
.case-nav { display: flex; gap: 10px; }
.case-nav__btn {
  width: 48px; height: 48px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 18px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color .25s ease, color .25s ease, transform .25s var(--ease-out);
}
.case-nav__btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.case-track-wrap { margin-top: 52px; }
.case-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
}
.case-track::-webkit-scrollbar { display: none; }
.case-card {
  flex: 0 0 min(760px, 86%);
  scroll-snap-align: start;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  border: 1px solid var(--line);
  background: #fff;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.case-card:hover { border-color: rgba(180, 83, 9, .338); box-shadow: 0 24px 56px -36px rgba(180, 83, 9, .3); }
.case-card__visual {
  background:
    repeating-linear-gradient(90deg, rgba(29,30,28,.035) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(0deg, rgba(29,30,28,.035) 0 1px, transparent 1px 32px),
    linear-gradient(155deg, #f0efe9, #e4e2da);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 340px;
}
.case-card__visual span {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--faint);
  border: 1px dashed #cfcdc5;
  padding: 8px 16px;
  background: rgba(255,255,255,.55);
}

/* ---------- 案例示意视觉（SVG 数据图） ---------- */
.cvis { width: 82%; max-width: 460px; height: auto; display: block; }
.cvis-cap-t {
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: .08em;
  fill: var(--muted);
  font-weight: 600;
}
.cvis-cap-t--accent { fill: var(--accent); font-weight: 700; }
.cvis-node-t {
  font-family: var(--font-sans);
  font-size: 13px;
  fill: var(--ink-soft);
  letter-spacing: .04em;
}
.cvis-node-t--hl { fill: #fff; font-weight: 700; font-size: 13.5px; }
.cvis-note {
  border: none !important;
  background: none !important;
  padding: 0 !important;
  font-size: 11px !important;
  letter-spacing: .18em !important;
  color: var(--faint) !important;
}
.cvis-halo { opacity: .5; transform-origin: center; transform-box: fill-box; animation: cvisHalo 3s ease-out infinite; }
@keyframes cvisHalo {
  0% { transform: scale(1); opacity: .55; }
  70%, 100% { transform: scale(2.6); opacity: 0; }
}
/* 入场动画：仅 JS 可用时启用，进入视口后播一次 */
.js .cvis-line { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.6s cubic-bezier(.22,.8,.3,1) .35s; }
.js .case-card.is-visible .cvis-line { stroke-dashoffset: 0; }
.js .cvis-bar { transform: scaleY(0); transform-origin: bottom; transform-box: fill-box; transition: transform .9s cubic-bezier(.22,.8,.3,1); transition-delay: calc(.3s + var(--i) * 70ms); }
.js .case-card.is-visible .cvis-bar { transform: scaleY(1); }
.js .cvis-node { opacity: 0; transform: translateY(10px); transition: opacity .6s ease, transform .6s var(--ease-out); transition-delay: calc(.25s + var(--i) * 110ms); }
.js .case-card.is-visible .cvis-node { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .cvis-line { stroke-dashoffset: 0; transition: none; }
  .js .cvis-bar { transform: none; transition: none; }
  .js .cvis-node { opacity: 1; transform: none; transition: none; }
  .cvis-halo { animation: none; }
}
.case-card__body { padding: 36px 34px 30px; display: flex; flex-direction: column; }
.case-card__tag {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 14px;
  font-weight: 600;
}
.case-card__body h3 { font-size: 24px; margin-bottom: 10px; }
.case-card__body > p { font-size: 14px; color: var(--muted); line-height: 1.85; }
.case-card__stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.case-card__num {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.15;
  white-space: nowrap;
}
.case-card__num--accent { color: var(--accent); }
.case-card__label { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.case-card .svc__go { margin-top: auto; padding-top: 22px; align-self: flex-start; }

/* ---------- 为什么是识度（逐条出现 + 幽灵数字） ---------- */
.why-list { margin-top: 40px; }
.why-row {
  display: flex;
  align-items: baseline;
  gap: 40px;
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}
.why-row:first-child { border-top: 1px solid var(--line); }
.why-row__ghost {
  font-family: var(--font-serif);
  font-size: clamp(56px, 7vw, 88px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px #dcddd6;
  flex-shrink: 0;
  min-width: 96px;
  transition: -webkit-text-stroke-color .4s ease, color .4s ease;
}
.why-row:hover .why-row__ghost { -webkit-text-stroke-color: var(--accent); }
.why-row h3 { font-size: clamp(20px, 2.4vw, 26px); margin-bottom: 8px; }
.why-row p { font-size: 15px; color: var(--muted); max-width: 560px; }

/* ---------- 深色品牌区块 ---------- */
.judgment {
  position: relative;
  background:
    radial-gradient(720px 480px at 78% 30%, rgba(180, 83, 9, .054), transparent 64%),
    var(--bg-deep);
  color: #f2f1ee;
  padding: 160px 0;
  overflow: hidden;
}
.judgment__ghost {
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: clamp(200px, 30vw, 420px);
  font-weight: 700;
  line-height: 1;
  color: rgba(255, 164, 87, .055);
  pointer-events: none;
  user-select: none;
}
.judgment__inner { position: relative; }
.judgment__en {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.8vw, 20px);
  letter-spacing: 0.14em;
  color: #8fa398;
  text-transform: uppercase;
  margin-bottom: 30px;
}
.judgment__en em { font-style: italic; color: var(--accent-bright); }
.judgment__zh {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.3;
  max-width: 720px;
}
.judgment__zh strong {
  color: var(--accent-bright);
  text-shadow: 0 0 34px rgba(255, 164, 87, .35);
}
.judgment__sub {
  margin-top: 30px;
  font-size: clamp(15.5px, 1.8vw, 18px);
  color: #9aa79f;
  line-height: 2;
}

/* ---------- 创始人 ---------- */
.founder {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  align-items: start;
}
.founder__avatar {
  width: 240px; height: 300px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #f7f7f8, #e7e5df);
}
.founder__name { font-size: 30px; letter-spacing: 0.02em; }
.founder__title {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--muted);
  margin: 10px 0 26px;
  letter-spacing: 0.05em;
}
.founder__bio { font-family: var(--font-sans); font-size: 15.5px; color: var(--ink-soft); }
.founder__bio p + p { margin-top: 14px; }
.founder__focus {
  margin-top: 28px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
}
.founder__focus span { color: var(--accent); }

/* ---------- 页尾 CTA ---------- */
.cta-block h2 {
  font-size: clamp(28px, 3.8vw, 44px);
  max-width: 780px;
  line-height: 1.4;
}
.cta-block p {
  font-family: var(--font-sans);
  color: #a7b2ab;
  max-width: 620px;
  margin-top: 22px;
  font-size: 15.5px;
}
.cta-block .btn-row { margin-top: 42px; }

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--muted);
}
.site-footer__grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.site-footer__brand {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
}
.site-footer nav { display: flex; flex-direction: column; gap: 9px; }
.site-footer nav a { transition: color .2s ease; position: relative; align-self: flex-start; }
.site-footer nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease-out);
}
.site-footer nav a:hover { color: var(--accent); }
.site-footer nav a:hover::after { transform: scaleX(1); }
.site-footer__bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--faint);
}

/* ---------- 内页头部 ---------- */
.page-head {
  padding: 96px 0 64px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-head .lead { margin-top: 18px; }

/* ---------- 内页兼容：why 四宫格（about.html） / service-card__no（services.html） ---------- */
.service-card__no {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--faint);
}
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-top: 56px;
  background: var(--line);
}
.why-cell {
  background: #fff;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 42px 40px;
  transition: background .2s ease;
}
.why-cell:hover { background: var(--paper); }
.why-cell h3 { font-size: 20px; margin-bottom: 12px; }
.why-cell p { font-family: var(--font-sans); font-size: 14.5px; color: var(--muted); }
.why-cell__idx {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 18px;
}
.section--deep .why-grid { border-color: var(--line-dark); background: var(--line-dark); }
.section--deep .why-cell { background: transparent; border-color: var(--line-dark); }
.section--deep .why-cell:hover { background: rgba(255, 138, 61, .05); }
.section--deep .why-cell h3 { color: #f2f1ee; }
.section--deep .why-cell p { color: #9aa79f; }
.section--deep .why-cell__idx { color: var(--accent-bright); }
@media (max-width: 640px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-cell { padding: 30px 26px; }
}

/* ---------- 服务详情 / 案例页 / 联系页（沿用 V2 体系） ---------- */
.service-detail { border-bottom: 1px solid var(--line); padding: 80px 0; }
.service-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
}
.service-detail__price {
  display: inline-block;
  margin-top: 30px;
  font-family: var(--font-sans);
  font-size: 30px;
  font-weight: 700;
  color: var(--accent);
}
.service-detail__price i { font-style: normal; font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 8px; }
.service-detail h3 {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--faint);
  font-weight: 600;
  margin-bottom: 18px;
}
.fit-list li, .deliver-list li {
  list-style: none;
  padding: 11px 0 11px 26px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  color: var(--ink-soft);
  position: relative;
}
.fit-list li::before, .deliver-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 22px;
  width: 13px; height: 1.5px;
  background: var(--accent);
}
.principle {
  margin-top: 34px;
  padding: 22px 26px;
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  font-size: 14.5px;
  color: var(--ink-soft);
}
.principle b { display: block; margin-bottom: 4px; color: var(--ink); }

.case-block { border-bottom: 1px solid var(--line); padding: 88px 0; }
.case-block__head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 40px;
}
.case-block__idx {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.case-block__head h2 { font-size: clamp(26px, 3.4vw, 36px); }
.case-block__cols {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
}
.case-block__cols .stat-grid { grid-template-columns: 1fr 1fr; }
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.stat { background: #fff; padding: 26px 26px 24px; }
.stat__num {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 33px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.stat__num small { font-size: .55em; font-weight: 600; margin-left: 2px; }
.stat__num--trend { color: var(--accent); }
.stat__label { font-family: var(--font-sans); font-size: 13px; color: var(--muted); margin-top: 8px; }

.contact-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 72px;
  padding: 88px 0 108px;
}
.contact-list { margin-top: 36px; }
.contact-list dt { font-family: var(--font-sans); font-size: 12.5px; letter-spacing: 0.16em; color: var(--faint); margin-bottom: 4px; }
.contact-list dd { font-size: 16px; margin-bottom: 22px; }
.contact-list dd a { border-bottom: 1px solid transparent; transition: color .2s ease, border-color .2s ease; }
.contact-list dd a:hover { color: var(--accent); border-color: var(--accent); }
.contact-list .todo {
  font-family: var(--font-sans);
  color: var(--faint);
  background: var(--paper);
  padding: 2px 10px;
  font-size: 13.5px;
  border: 1px dashed #d2d0c9;
}
.qr-card {
  border: 1px solid var(--line);
  background: #fff;
  padding: 22px;
  display: flex;
  gap: 22px;
  align-items: center;
}
.qr-card img { width: 148px; height: auto; flex-shrink: 0; border: 1px solid var(--line); }
.qr-card__body { display: flex; flex-direction: column; gap: 8px; }
.qr-card__body b { font-size: 16.5px; }
.qr-card__body span { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.contact-note {
  margin-top: 8px;
  padding: 26px 30px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.contact-note b { color: var(--ink); }

/* ---------- 识度洞察 ---------- */
.post-list { margin-top: 8px; border-bottom: 1px solid var(--line); }
.post-item {
  display: block;
  padding: 46px 0;
  border-top: 1px solid var(--line);
  transition: background .25s ease;
}
.post-item:hover { background: linear-gradient(90deg, rgba(180, 83, 9, .035), transparent 60%); }
.post-item__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.post-item__no {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.post-item__meta { font-family: var(--font-sans); font-size: 12.5px; color: var(--faint); letter-spacing: 0.05em; }
.post-item h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  margin: 18px 0 10px;
  line-height: 1.42;
  transition: color .2s ease;
}
.post-item:hover h2 { color: var(--accent); }
.post-item > p { max-width: 720px; font-size: 15.5px; color: var(--muted); font-family: var(--font-sans); line-height: 1.9; }
.post-item__more {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color .2s ease;
}
.post-item:hover .post-item__more { color: var(--accent); }

.post-article-wrap { max-width: 780px; margin: 0 auto; padding: 96px 0 24px; }
.post-article-head { margin-bottom: 54px; }
.post-article-head .eyebrow { margin-bottom: 28px; }
.post-article-title {
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.36;
  letter-spacing: 0.01em;
}
.post-article-deck {
  margin-top: 22px;
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.9;
  max-width: 640px;
}
.post-article-meta {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--faint);
}
.post-article-meta b { color: var(--muted); font-weight: 600; }
.post-article-body { font-size: 16.5px; line-height: 2.05; color: #2a2b28; }
.post-article-body p + p { margin-top: 1.2em; }
.post-article-body h2 { font-size: 24px; margin: 60px 0 18px; line-height: 1.45; }
.post-article-body h3 {
  font-family: var(--font-sans);
  font-size: 17.5px;
  font-weight: 700;
  color: var(--ink);
  margin: 42px 0 10px;
  letter-spacing: 0.01em;
}
.post-article-body strong { color: var(--ink); }
.post-article-body ul, .post-article-body ol { margin: 24px 0; padding-left: 4px; }
.post-article-body li {
  position: relative;
  list-style: none;
  padding: 0 0 10px 26px;
  font-size: 16px;
  color: var(--ink-soft);
}
.post-article-body li::before {
  content: "";
  position: absolute;
  left: 2px; top: 16px;
  width: 14px; height: 1.5px;
  background: var(--accent);
}
.post-article-body blockquote {
  margin: 36px 0;
  padding: 26px 30px;
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  font-family: var(--font-serif);
  font-size: 17.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}
.post-article-body blockquote b { color: var(--ink); }
.post-article-back {
  display: inline-block;
  margin-top: 44px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color .2s ease;
}
.post-article-back:hover { color: var(--accent); }

.insight-strip-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}
.post-feature {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  align-items: center;
  margin-top: 44px;
  padding: 40px 44px;
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color .25s ease, transform .25s var(--ease-out), box-shadow .25s ease;
}
.post-feature:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 18px 44px -30px rgba(180, 83, 9, .3);
}
.post-feature__no { font-family: var(--font-sans); font-size: 12px; font-weight: 600; letter-spacing: 0.2em; color: var(--faint); }
.post-feature h3 { font-size: 22px; margin: 12px 0 8px; line-height: 1.45; transition: color .2s ease; }
.post-feature:hover h3 { color: var(--accent); }
.post-feature p { font-family: var(--font-sans); font-size: 14px; color: var(--muted); line-height: 1.85; max-width: 640px; }
.post-feature__arrow {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--accent);
  transition: transform .25s var(--ease-out);
}
.post-feature:hover .post-feature__arrow { transform: translateX(5px); }

/* ---------- 滚动显现动效（stagger 支持） ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
  transition-delay: var(--rd, 0ms);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .rotor__word { transition: none; }
  .net-node, .net-node circle, .net-node text { animation: none !important; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .method { grid-template-columns: 240px 1fr; gap: 48px; }
}

@media (max-width: 960px) {
  .section { padding: 88px 0; }
  .hero { padding: 96px 0 72px; }
  .hero__inner { grid-template-columns: 1fr; gap: 12px; }
  .hero__net { display: none; }
  .hero__meta { gap: 32px; margin-top: 52px; }
  .hero__meta-num { font-size: 25px; }
  .pcard-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .pcard { min-height: 170px; padding: 22px 20px 20px; }
  .pcard__front p { font-size: 17px; }
  .method { grid-template-columns: 1fr; gap: 20px; margin-top: 48px; }
  .method__visual { position: static; }
  .method__track { flex-direction: row; flex-wrap: wrap; gap: 6px 22px; }
  .method__node { padding: 8px 0; gap: 10px; }
  .method__node i { width: 36px; height: 36px; font-size: 13px; }
  .method__node span { font-size: 16px; }
  .method__link { display: none; }
  .method-step { min-height: 0; padding: 40px 0; }
  .xmap { grid-template-columns: 1fr; }
  .xmap__tabs {
    flex-direction: row;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
    scrollbar-width: none;
  }
  .xmap__tabs::-webkit-scrollbar { display: none; }
  .xmap__tab { white-space: nowrap; padding: 14px 20px; border-bottom: none; }
  .xmap__tab::before { left: 0; right: 0; top: auto; bottom: 0; width: auto; height: 2px; transform: scaleX(0); }
  .xmap__tab.is-active::before { transform: scaleX(1); }
  .xmap__panels { padding: 32px 26px; min-height: 0; }
  .svc-grid { grid-template-columns: 1fr; }
  .count-grid { grid-template-columns: 1fr; }
  .count { padding: 36px 30px; }
  .case-card { grid-template-columns: 1fr; flex-basis: min(420px, 88%); }
  .case-card__visual { min-height: 180px; }
  .case-nav { display: none; }
  .founder { grid-template-columns: 1fr; gap: 36px; }
  .founder__avatar { width: 180px; height: 220px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 48px; }
  .qr-card img { width: 128px; }
  .case-block__cols { grid-template-columns: 1fr; gap: 36px; }
  .service-detail__grid { grid-template-columns: 1fr; gap: 40px; }
  .judgment { padding: 110px 0; }
  .why-row { gap: 24px; padding: 34px 0; }
  .why-row__ghost { min-width: 64px; }
}

/* 导航折叠（2026-09-10：导航新增「工具」项，折叠断点由 640px 提到 900px，
   避免 640–900px 区间 7 项 + CTA 横向溢出） */
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav .btn { margin-top: 8px; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  body { font-size: 16px; }
  .hero { padding: 76px 0 60px; }
  .hero__rotor-line { font-size: 19px; }
  .pcard-grid { grid-template-columns: 1fr; }
  .pcard { min-height: 0; }
  .post-feature { padding: 30px 24px; grid-template-columns: 1fr; gap: 14px; }
  .btn { width: 100%; }
  .btn-row { gap: 12px; }
  .btn-row .btn { width: auto; flex: 1 1 auto; }
  .count__num { font-size: 40px; }
}

/* =========================================================
   V6.4 质感升级层 —— 「去素」：渐变 / 光效 / 纹理 / 微动效
   原则：保持 V2 翡翠绿基调与全部结构，只加质感。
   本层集中在文件末尾，整体删除即回退到 v6.3 视觉。
   ========================================================= */

:root {
  --grad-accent: linear-gradient(120deg, #c2600f 0%, #a8480a 58%, #8a3a06 100%);
  --grad-accent-text: linear-gradient(105deg, #191713 34%, #b45309 100%);
  --glow-green: rgba(180, 83, 9, .09);
}

/* --- 大标题：纯墨色。橙渐变已撤（与新定位"经营顾问感"冲突） --- */
.h-display,
.h-section--xl {
  color: var(--ink);
}

/* --- eyebrow：描边式（橙只留小圆点，整屏橙量可控） --- */
.eyebrow {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 6px 15px 6px 13px;
  gap: 9px;
}
.eyebrow::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.section--deep .eyebrow,
.judgment .eyebrow {
  background: rgba(217, 141, 82, .12);
  border-color: rgba(217, 141, 82, .38);
}

/* --- 按钮：主按钮渐变底 + hover 扫光 --- */
.btn--primary {
  background: var(--grad-accent);
  border-color: transparent;
  position: relative;
  overflow: hidden;
}
.btn--primary:hover {
  background: var(--grad-accent);
  filter: brightness(1.08);
  border-color: transparent;
}
.btn--primary::before {
  content: "";
  position: absolute;
  top: 0; left: -80%;
  width: 55%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg);
  transition: left .55s var(--ease-out);
  pointer-events: none;
}
.btn--primary:hover::before { left: 130%; }
.btn--primary::after { position: relative; z-index: 1; margin-left: 8px; }

/* --- Hero：更强光晕 + 缓慢漂移 + 点阵纹理 --- */
.hero {
  background:
    radial-gradient(760px 520px at 88% 2%, rgba(180, 83, 9, .044), transparent 62%),
    radial-gradient(560px 420px at -10% 96%, rgba(180, 83, 9, .027), transparent 60%),
    radial-gradient(900px 500px at 50% 120%, rgba(255,164,87,.07), transparent 65%),
    linear-gradient(180deg, var(--paper) 0%, #ffffff 90%);
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
  z-index: 0;
}
.hero::before {
  width: 560px; height: 560px;
  right: -140px; top: -180px;
  background: radial-gradient(circle, rgba(180, 83, 9, .048), rgba(180, 83, 9, .017) 55%, transparent 70%);
  animation: heroDrift 16s ease-in-out infinite alternate;
}
.hero::after {
  width: 420px; height: 420px;
  left: -160px; bottom: -160px;
  background: radial-gradient(circle, rgba(255,164,87,.12), transparent 68%);
  animation: heroDrift 20s ease-in-out infinite alternate-reverse;
}
@keyframes heroDrift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-46px, 34px) scale(1.08); }
}
.hero__inner { z-index: 1; }
/* 竖线网格 → 精致点阵 */
.hero__grid-lines {
  background-image: radial-gradient(rgba(180, 83, 9, .054) 1px, transparent 1.4px);
  background-size: 34px 34px;
  opacity: .5;
  -webkit-mask-image: linear-gradient(115deg, transparent 42%, #000 82%);
  mask-image: linear-gradient(115deg, transparent 42%, #000 82%);
}

/* --- 轮换词 & 关键数字：翡翠渐变字 --- */
.rotor__word,
.hero__meta-num,
.count__num,
.case-card__num--accent {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.rotor__word:hover { text-decoration-color: var(--accent-ink); }
@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .rotor__word, .hero__meta-num, .count__num, .case-card__num--accent {
    background: none; -webkit-text-fill-color: currentColor; color: var(--accent);
  }
}

/* --- 业务系统网络图：整体光感 + 节点发光 --- */
.hero__net svg { filter: drop-shadow(0 22px 44px rgba(180, 83, 9, .063)); }
.net-node circle { filter: drop-shadow(0 0 6px rgba(180, 83, 9, .081)); }
.net-node circle { animation-name: netStrokeGlow; }
@keyframes netStrokeGlow {
  0%, 10%, 100% { stroke: #c9c7c0; filter: drop-shadow(0 0 4px rgba(180, 83, 9, .063)); }
  5% { stroke: var(--accent); filter: drop-shadow(0 0 10px rgba(180, 83, 9, .248)); }
}

/* --- 卡片体系：统一 hover 抬升 + 顶部渐变线 --- */
.pcard, .svc, .post-feature, .case-card, .xmap { position: relative; }
.pcard::before, .svc::before, .post-feature::before, .case-card::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 2.5px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease-out);
  z-index: 2;
}
.pcard:hover::before, .svc:hover::before, .post-feature:hover::before,
.case-card:hover::before, .pcard:focus-visible::before, .svc:focus-visible::before { transform: scaleX(1); }
.pcard em {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.svc__no, .post-feature__no {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.svc__price b { background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* --- 案例视觉区：米灰 → 淡翡翠渐变 + 白网格 --- */
.case-card__visual {
  background:
    repeating-linear-gradient(90deg, rgba(180, 83, 9, .05) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(0deg, rgba(180, 83, 9, .05) 0 1px, transparent 1px 32px),
    linear-gradient(155deg, #eef7f2 0%, #ddefe6 100%);
}
.case-card__visual span { border-color: #b9d8ca; background: rgba(255,255,255,.7); color: #7c9c8d; }

/* --- 浅色区块节奏：alt 底加极淡翡翠渐变 --- */
.section--alt {
  background: linear-gradient(180deg, #f3f6f2 0%, var(--bg-alt) 78%);
}
.page-head {
  background:
    radial-gradient(560px 300px at 82% -10%, rgba(180, 83, 9, .034), transparent 62%),
    var(--paper);
}

/* --- 深色品牌区块：双光晕 + 点阵纹理 --- */
.judgment {
  background:
    radial-gradient(720px 480px at 78% 26%, rgba(180, 83, 9, .068), transparent 64%),
    radial-gradient(520px 380px at 8% 96%, rgba(255,164,87,.08), transparent 60%),
    radial-gradient(rgba(255,164,87,.05) 1px, transparent 1.4px),
    var(--bg-deep);
  background-size: auto, auto, 30px 30px, auto;
}
.judgment__zh strong {
  background: linear-gradient(120deg, #ffc499, #ff9c57);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  filter: drop-shadow(0 0 22px rgba(255,164,87,.3));
}
.judgment__ghost { color: rgba(255, 164, 87, .07); }
.cta-block h2 {
  background: linear-gradient(105deg, #f4f7f5 40%, #ffb877 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- method 步骤号 & answer-line 渐变（method-note 已撤渐变，改墨灰） --- */
.method-step.is-active .method-step__no,
.answer-line span {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.method-note { color: var(--ink-soft); }
.method__node.is-active i { background: var(--grad-accent); border-color: transparent; }
.method__link.is-active { background: var(--grad-accent); }

/* --- 洞察列表：hover 左缘渐变条 --- */
.post-item { position: relative; }
.post-item::before {
  content: "";
  position: absolute;
  left: 0; top: 24px; bottom: 24px;
  width: 2.5px;
  background: var(--grad-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--ease-out);
}
.post-item:hover::before { transform: scaleY(1); }
.post-item:hover h2 { color: var(--accent); }

/* --- 页脚 & 文章引用块微调 --- */
.site-footer {
  background: linear-gradient(180deg, #fafcfb 0%, #f4f7f4 100%);
}
.post-article-body blockquote {
  background: linear-gradient(135deg, var(--accent-soft), rgba(221,243,233,.45));
  border-left: 2.5px solid;
  border-image: var(--grad-accent) 1;
}
.post-article-body li::before { background: var(--grad-accent); }

/* --- 滚动条（webkit）--- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #f1f1ee; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #9fc9b6, #d9a080);
  border-radius: 6px;
  border: 2px solid #f1f1ee;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .hero::before, .hero::after { animation: none; }
}

/* =========================================================
   V6.6 排版驱动层 —— 大字阶 / 狠对比 / 有力的留白
   教训（V6.5）：柔和+居中=温吞。大品牌的力量感来自
   字号对比与空间节奏，不来自磨圆角。只动排版与 UI，
   不改任何内容与结构；配色保持翡翠绿基调。
   本层整体删除即回退 v6.4 视觉。
   ========================================================= */

:root {
  --radius-lg: 14px;
  --radius-md: 10px;
  --shadow-card: 0 1px 2px rgba(20,24,22,.03), 0 10px 28px -16px rgba(20,24,22,.10);
  --shadow-card-hover: 0 2px 6px rgba(20,24,22,.04), 0 26px 52px -22px rgba(180,83,9,.18);
}

/* --- 1. 字阶：主标题收一档（原 80px 上限配合旧"发布会"风格，现改顾问尺度） --- */
.h-display {
  font-size: clamp(38px, 4.4vw, 54px);
  line-height: 1.24;
  letter-spacing: -0.014em;
}
.h-section {
  font-size: clamp(33px, 4.6vw, 58px);
  line-height: 1.22;
  letter-spacing: -0.015em;
}
.h-section--xl { font-size: clamp(40px, 5.4vw, 68px); }
.h-card { font-size: 23px; }

.hero__sub {
  font-size: clamp(17px, 2vw, 20px);
  margin-top: 30px;
  line-height: 1.85;
}
.section-intro { font-size: 17px; margin-top: 26px; line-height: 1.85; }
.lead { font-size: 18px; }
.eyebrow { margin-bottom: 30px; letter-spacing: .26em; }

/* 数字系统放大 —— 大品牌对关键数字的自信呈现 */
.count__num { font-size: clamp(44px, 4.8vw, 62px); }
.hero__meta-num { font-size: clamp(28px, 3vw, 38px); }
.pcard__front p { font-size: 19px; line-height: 1.68; }
.post-item h2 { font-size: 23px; }
.answer-line { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.6; }

/* --- 2. 空间节奏：区块呼吸加深 --- */
.section { padding: 156px 0; }
.site-header__inner { height: 74px; }

@media (max-width: 900px) {
  .section { padding: 104px 0; }
}
@media (max-width: 640px) {
  .section { padding: 84px 0; }
  .count__num { font-size: 42px; }
  .hero__meta-num { font-size: 26px; }
  .answer-line { font-size: 21px; }
}

/* --- 3. 按钮更有存在感（胶囊 + 加大） --- */
.btn { padding: 15px 32px; font-size: 15.5px; border-radius: 999px; }
.site-nav .btn { padding: 11px 24px; font-size: 14px; }
.btn--primary {
  background: var(--accent);
  transition: background .25s ease, transform .25s var(--ease-out), box-shadow .25s ease;
}
.btn--primary:hover {
  background: var(--accent-ink);
  transform: translateY(-1px);
  box-shadow: 0 12px 26px -10px rgba(180, 83, 9, .338);
}

/* --- 4. 卡片 UI 精修：圆角 + 细边 + hover 浮起（边框 hover 显绿） --- */
.pcard, .svc, .case-card, .post-feature, .xmap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid #e9ece8;
  box-shadow: var(--shadow-card);
  background: #fff;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s ease;
}
.pcard:hover, .svc:hover, .case-card:hover, .post-feature:hover,
.pcard.is-open, .pcard:focus-visible, .svc:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(180, 83, 9, .35);
}
.pcard::before, .svc::before, .post-feature::before, .case-card::before { display: none; }

/* --- 5. 文章引用块与列表条目 UI 收口 --- */
.post-article-body blockquote {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--accent-soft);
  border-left: 2.5px solid var(--accent);
  border-image: none;
}
.post-item { border-radius: var(--radius-md); transition: background .3s ease; }
.post-item:hover { background: rgba(180, 83, 9, .045); }

/* --- 6. 滚动条细节 --- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #c3c9c5; border-radius: 999px; border: 2px solid #f1f1ee; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* =========================================================
   V6.7 互动组件层 —— 图标 / 胶囊 / 高光 / 进度
   只加 UI 组件与微交互，不改任何内容；
   本层与 main.js 末尾 V6.7 段配套，整体删除即回退。
   ========================================================= */

/* --- 1. 图标芯片 --- */
.ic-chip {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--accent-soft), #fff);
  border: 1px solid rgba(180, 83, 9, .2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.ic-chip svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.svc:hover .ic-chip, .pcard:hover .ic-chip, .pcard:focus-visible .ic-chip {
  background: var(--accent);
  border-color: var(--accent);
}
.svc:hover .ic-chip svg, .pcard:hover .ic-chip svg, .pcard:focus-visible .ic-chip svg {
  stroke: #fff;
}
.method-step .ic-chip { width: 40px; height: 40px; margin-bottom: 10px; border-radius: 11px; }
.method-step .ic-chip svg { width: 20px; height: 20px; }
.why-row .ic-chip { margin-bottom: 12px; }
@media (max-width: 640px) {
  .ic-chip { width: 40px; height: 40px; margin-bottom: 10px; }
  .ic-chip svg { width: 21px; height: 21px; }
}

/* --- 2. xmap 环节列表 → 胶囊标签 --- */
.xmap__panel li {
  border-radius: 999px;
  border-color: rgba(180, 83, 9, .22);
  background: #f3faf6;
  position: relative;
  padding-left: 27px;
}
.xmap__panel li::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--accent);
  opacity: .55;
  transition: opacity .25s ease, background .25s ease;
}
.xmap__panel li:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.xmap__panel li:hover::before { background: #fff; opacity: 1; }

/* --- 3. 结果数字下的渐变进度条 --- */
.count-bar {
  display: block;
  height: 3px;
  border-radius: 999px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--accent), rgba(180, 83, 9, .12));
  width: 0;
  transition: width 1.2s cubic-bezier(.22, .61, .36, 1) .35s;
}
.count.is-visible .count-bar { width: var(--w, 70%); }

/* --- 4. 卡片鼠标追随高光 --- */
.spot { position: relative; }
.spot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(180, 83, 9, .031), transparent 65%);
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}
.spot:hover::after { opacity: 1; }

/* --- 5. 顶部滚动进度条 --- */
#sd-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: var(--accent);
  z-index: 220;
  pointer-events: none;
}

/* --- 6. 回到顶部按钮 --- */
#sd-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(180, 83, 9, .3);
  background: #fff;
  color: var(--accent);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 26px -12px rgba(180, 83, 9, .338);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s ease, transform .3s ease, background .25s ease, color .25s ease;
  z-index: 210;
}
#sd-top.is-show { opacity: 1; visibility: visible; transform: none; }
#sd-top:hover { background: var(--accent); color: #fff; }

/* =========================================================
   V6.8b 微信二维码行内缩略图（配合 main.js data-contact 渲染）
   ========================================================= */
.qr-inline {
  display: inline-block;
  margin-left: 14px;
  vertical-align: middle;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px -10px rgba(0, 0, 0, .25);
  transition: transform .3s var(--ease-out), box-shadow .3s ease;
}
.qr-inline img { display: block; width: 84px; height: 84px; object-fit: cover; }
.qr-inline:hover {
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 14px 30px -12px rgba(180, 83, 9, .338);
  border-color: rgba(180, 83, 9, .5);
}
@media (max-width: 640px) {
  .qr-inline { margin-left: 10px; }
  .qr-inline img { width: 68px; height: 68px; }
}

/* V6.8c 锚点跳转定位补偿（固定页头不遮挡） */
.qr-card { scroll-margin-top: 96px; }

/* =========================================================
   V6.8d 「扫码添加」链接显性化（每一处可点、看得出来可点）
   ========================================================= */
[data-contact="wechat"] a {
  color: var(--accent);
  border-bottom: 1px dashed rgba(180, 83, 9, .55);
  padding-bottom: 1px;
  transition: color .2s ease, border-color .2s ease;
}
[data-contact="wechat"] a:hover {
  color: var(--accent-ink);
  border-bottom-style: solid;
}
/* ===== brand symbol (logo 提案 2026-09-08) ===== */
.brand__symbol { display: block; flex: 0 0 auto; align-self: center; }


/* ============================================================
   2026-09-13 官网改版新增组件（路径 / 处境 / 五步 / 资产 / 实录 / 边界）
   ============================================================ */
.hero-tag {
  display: inline-block;
  margin-top: 18px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--accent);
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  font-family: var(--font-sans);
}
.hero-note {
  margin-top: 16px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--faint);
  line-height: 1.8;
}

/* 首屏三条服务路径 */
.path-row { margin-top: 10px; }
.path-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 0;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}
.path-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .6);
  transition: border-color .25s ease, transform .25s var(--ease-out);
}
.path-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.path-card__t { font-size: 16.5px; font-weight: 700; color: var(--ink); }
.path-card__d { font-family: var(--font-sans); font-size: 13.5px; color: var(--muted); }

/* 第二屏 处境卡 */
.situation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 52px;
}
.situation { background: #fff; padding: 34px 32px 28px; }
.situation__no {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
  font-family: var(--font-sans);
}
.situation p { font-size: 17px; line-height: 1.7; color: var(--ink-soft); }
.situation__go {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--accent);
}

/* 第五屏 五步流程 */
.flow5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 52px;
  list-style: none;
}
.flow5__step { background: #fff; padding: 28px 22px; }
.flow5__no {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .1em;
  font-family: var(--font-sans);
}
.flow5__step h3 { font-size: 20px; margin: 10px 0 8px; }
.flow5__step p { font-family: var(--font-sans); font-size: 14px; color: var(--muted); line-height: 1.8; }

/* 第六屏 公司资产表 */
.asset-table { margin-top: 44px; border: 1px solid var(--line); }
.asset-row {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 20px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--ink-soft);
}
.asset-row:last-child { border-bottom: none; }
.asset-row--head {
  background: var(--bg-alt);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .06em;
}
.asset-row > span:first-child { font-weight: 600; color: var(--ink); }

/* 第七屏 落地实录 */
.record-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 46px; }
.record { border: 1px solid var(--line); background: #fff; padding: 30px 28px; }
.record__tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--accent-ink);
  border: 1px solid var(--accent-soft);
  background: var(--accent-soft);
  padding: 3px 10px;
  margin-bottom: 14px;
}
.record h3 { font-size: 20px; line-height: 1.5; margin-bottom: 14px; }
.record dl { margin: 0; }
.record dt {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 12px;
}
.record dd {
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 4px 0 0;
  line-height: 1.75;
}
.record__note {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--faint);
  margin-top: 16px;
}

/* 第八屏 折叠问答 */
.qa { margin-top: 44px; border-top: 1px solid var(--line); }
.qa details { border-bottom: 1px solid var(--line); }
.qa summary {
  cursor: pointer;
  padding: 20px 4px;
  font-size: 17px;
  color: var(--ink);
  list-style: none;
  position: relative;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  color: var(--accent);
  font-size: 20px;
}
.qa details[open] summary::after { content: "\2013"; }
.qa details p {
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--muted);
  padding: 0 4px 22px;
  line-height: 1.85;
}

/* 服务卡补充 */
.svc__fit {
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 10px;
}
.svc__fit b { color: var(--ink-soft); font-weight: 600; }

@media (max-width: 900px) {
  .path-grid, .flow5 { grid-template-columns: 1fr; }
  .situation-grid, .record-grid { grid-template-columns: 1fr; }
  .asset-row { grid-template-columns: 1fr; gap: 6px; }
  .asset-row--head { display: none; }
}

/* 2026-09-13 业务问题表单 */
.form-grid { margin-top: 28px; }
.form-field { margin-bottom: 18px; }
.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.form-label span { color: var(--accent); }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 2px;
}
.form-field textarea { min-height: 96px; resize: vertical; line-height: 1.8; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { outline: none; border-color: var(--accent); }
.form-note {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--faint);
  margin-top: 14px;
  line-height: 1.8;
}
.form-ok {
  display: none;
  margin-top: 20px;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  padding: 20px 22px;
}
.form-ok.is-show { display: block; }
.form-ok b { display: block; font-size: 16px; margin-bottom: 6px; }
.form-ok p {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin: 6px 0 0;
}
.form-ok textarea {
  width: 100%;
  min-height: 170px;
  margin-top: 12px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.8;
  padding: 12px;
  border: 1px solid var(--line);
  background: #fff;
}


/* ============ 组件回收补充（2026-09-13） ============ */
/* 五步流程：输入 → 输出 小注 */
.flow5__io {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.7;
  color: var(--faint);
  letter-spacing: .01em;
}

/* 洞察副卡 */
.post-mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}
.post-mini {
  display: block;
  padding: 26px 28px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  text-decoration: none;
  transition: border-color .25s ease, transform .25s var(--ease-out), box-shadow .25s ease;
}
.post-mini:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(20, 20, 20, .07);
}
.post-mini__tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: 12px;
}
.post-mini h3 {
  font-size: 19px;
  line-height: 1.5;
  margin: 0 0 10px;
  color: var(--ink);
}
.post-mini p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.8;
  color: var(--faint);
  margin: 0;
}

/* 工具卡 */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 34px;
}
.tool-card {
  display: block;
  padding: 30px 32px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  text-decoration: none;
  transition: border-color .25s ease, transform .25s var(--ease-out), box-shadow .25s ease;
}
.tool-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(20, 20, 20, .07);
}
.tool-card__no {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: 12px;
}
.tool-card h3 {
  font-size: 21px;
  margin: 0 0 10px;
  color: var(--ink);
}
.tool-card p {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faint);
  margin: 0;
}
.tool-card__go {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
.tool-card:hover .tool-card__go { text-decoration: underline; text-underline-offset: 4px; }

@media (max-width: 900px) {
  .flow5__io { font-size: 11.5px; }
  .post-mini, .tool-card { padding: 24px 22px 26px; }
}


/* ============ 落地实录页补充（2026-09-13） ============ */
.recap-card {
  flex: 0 0 min(400px, 84%);
  scroll-snap-align: start;
  display: block;
  padding: 28px 30px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  text-decoration: none;
  transition: border-color .25s ease, transform .25s var(--ease-out), box-shadow .25s ease;
}
.recap-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(20, 20, 20, .07);
}
.recap-card__no {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: 14px;
}
.recap-card h3 {
  font-size: 20px;
  line-height: 1.5;
  margin: 0 0 12px;
  color: var(--ink);
}
.recap-card p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.85;
  color: var(--faint);
  margin: 0;
}
.recap-card__go {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

/* 实录右栏：这段过程留下的东西 */
.case-asset {
  padding: 28px 30px 30px;
  background: var(--bg-soft, #fafaf8);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
}
.case-asset__t {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--accent);
  margin-bottom: 16px;
}
.case-asset ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.case-asset li {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
  padding: 0 0 12px 0;
}
.case-asset li + li { border-top: 1px dashed var(--line); padding-top: 12px; }
.case-asset li b {
  display: inline-block;
  min-width: 52px;
  margin-right: 8px;
  font-weight: 700;
  color: var(--ink);
}
.case-asset__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--faint);
}

@media (max-width: 900px) {
  .recap-card { flex-basis: 86%; padding: 24px 22px 26px; }
  .case-asset { padding: 24px 22px 26px; margin-top: 24px; }
}


/* ============ 洞察页：左侧竖列分类（2026-09-13） ============ */
.insights-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 56px;
  align-items: start;
}

/* 左侧竖列 */
.insights-side {
  position: sticky;
  top: 96px;
  padding-right: 8px;
}
.insights-side .eyebrow { display: block; margin-bottom: 18px; }

.topic-nav { display: block; }
.topic-nav__item {
  display: block;
  position: relative;
  padding: 14px 16px 14px 18px;
  margin-bottom: 2px;
  border-left: 2px solid var(--line);
  text-decoration: none;
  transition: border-color .22s ease, background .22s ease;
}
.topic-nav__item:hover { background: rgba(180, 83, 9, .04); border-left-color: rgba(180, 83, 9, .4); }
.topic-nav__item.is-active { border-left-color: var(--accent); background: rgba(180, 83, 9, .06); }
.topic-nav__k {
  display: block;
  font-family: var(--font-serif);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}
.topic-nav__item.is-active .topic-nav__k { color: var(--accent); }
.topic-nav__n {
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
  color: var(--faint);
}
.topic-nav__item.is-active .topic-nav__n { color: var(--accent); }
.topic-nav__d {
  display: block;
  margin-top: 6px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--faint);
}
.insights-side__note {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--faint);
}

/* 右侧主区 */
.insights-main { min-width: 0; }
.insights-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.insights-head__t {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}
.insights-empty {
  padding: 40px 0;
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--faint);
}
.insights-empty a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }

/* 文章卡：领域标签 */
.post-item__topic {
  display: inline-block;
  margin-left: 10px;
  padding: 2px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--accent);
  vertical-align: 1px;
}
.post-item.is-hidden { display: none; }

@media (max-width: 900px) {
  .insights-layout { grid-template-columns: 1fr; gap: 28px; }
  .insights-side { position: static; padding-right: 0; }
  .topic-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }
  .topic-nav::-webkit-scrollbar { display: none; }
  .topic-nav__item {
    flex: 0 0 auto;
    margin-bottom: 0;
    padding: 10px 14px;
    border-left: none;
    border-bottom: 2px solid var(--line);
    background: #fff;
  }
  .topic-nav__item.is-active { border-bottom-color: var(--accent); border-left-color: transparent; }
  .topic-nav__n { position: static; margin-left: 8px; }
  .topic-nav__d { display: none; }
  .insights-side__note { display: none; }
}

/* nav-guard: 7 项导航在中窄屏收紧间距，避免与按钮重叠 */
@media (min-width: 901px) and (max-width: 1120px) {
  .site-nav { gap: 18px; }
  .site-nav a:not(.btn) { font-size: 13.5px; }
  .site-nav .btn { padding: 8px 14px; font-size: 12.5px; }
}

/* --- V7 第二轮 UI 优化 --- */
/* 翻转卡第三行 */
.pcard__first {
  margin-top: 7px;
  padding-top: 7px;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.7;
}
.pcard__first b {
  font-weight: 600;
  color: var(--ink-soft);
  margin-right: 8px;
  font-size: 11.5px;
  letter-spacing: .1em;
}
/* xmap「暂时别动」 */
.xmap__hold {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}
.xmap__hold b {
  font-weight: 600;
  color: var(--ink-soft);
  margin-right: 8px;
  font-size: 11.5px;
  letter-spacing: .1em;
}
/* 服务页：page-head 之后紧跟的区块收紧顶部间距 */
.section--tight { padding-top: 64px; }
@media (max-width: 900px) { .section--tight { padding-top: 44px; } }

/* --- 工具中心：领域标签 --- */
.tl-card__topic {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--accent);
  margin: -4px 0 10px;
}

/* --- 文章结尾：工具钩子 --- */
.post-hook { margin-top: 52px; }
.post-hook__label {
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: 14px;
}
.post-hook__card {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
  padding: 26px 30px;
  background: #fff;
}
.post-hook__card h3 { font-size: 19px; margin-bottom: 10px; }
.post-hook__card p { font-size: 15px; line-height: 1.85; color: var(--ink-soft); margin-bottom: 18px; }
.post-hook__card .btn { padding: 11px 22px; font-size: 14px; }
@media (max-width: 640px) { .post-hook__card { padding: 22px 20px; } }
@media print { .post-hook { display: none !important; } }

/* --- 工具页：私域反馈钩子 --- */
.tool-hook { max-width: var(--container); margin: 26px auto 0; padding: 16px 28px; border: 1px dashed var(--line); border-radius: 2px; font-size: 14px; line-height: 1.8; color: var(--ink-soft); }
.tool-hook b { color: var(--ink); font-weight: 600; }
.tool-hook a { color: var(--accent); }
@media print { .tool-hook { display: none !important; } }

/* ============================================================
   V1.1 内容优化层（2026-09-14 · 首页结构收拢 + 新产品体系）
   首页 14 段收 10 段；旗舰 90 天项目大卡 + 12 周时间线；
   信任区两栏；唯一深色转化区；页脚暖米白。
   删除本层不影响基础版式（新组件仅首页使用）。
   ============================================================ */

/* --- 首屏三项服务入口：旗舰项强调 --- */
.path-card--flag { border-color: var(--accent); }
.path-card--flag .path-card__t { color: var(--accent-ink); }

/* --- 旗舰产品大卡（90 天 AI 业务落地项目） --- */
.flagship {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  padding: 44px 40px 40px;
  margin-top: 34px;
}
.flagship > .svc__no { color: var(--accent); }
.flagship h3 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  margin: 10px 0 12px;
}
.flagship__one { font-size: 15.5px; color: var(--ink-soft); max-width: 640px; line-height: 1.8; }
.flagship__meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 26px 0 8px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.flagship__meta b { display: block; font-family: var(--font-serif); font-size: 18px; color: var(--ink); }
.flagship__meta i { display: block; font-style: normal; font-size: 12px; color: var(--faint); margin-top: 4px; }
.flagship .btn-row { margin-top: 26px; }

/* --- 12 周时间线：桌面 4 列 --- */
.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 10px 0 8px;
  counter-reset: tl;
}
.timeline li {
  position: relative;
  padding: 18px 18px 6px 0;
  margin-right: 18px;
  border-top: 2px solid var(--line);
}
.timeline li::before {
  content: "";
  position: absolute;
  top: -5px; left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline__wk { font-size: 12px; letter-spacing: .12em; color: var(--accent-ink); font-weight: 600; }
.timeline h4 { font-family: var(--font-serif); font-size: 17px; margin: 8px 0 6px; }
.timeline p { font-size: 13px; color: var(--muted); line-height: 1.7; }
.timeline em { display: block; font-style: normal; font-size: 12px; color: var(--faint); margin-top: 8px; }

/* --- 其余两项正式产品：两列 --- */
.svc-grid--two { grid-template-columns: 1fr 1fr; margin-top: 22px; }

/* --- 信任区：能力 + 负责人 两栏 --- */
.trust {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 44px;
  margin-top: 30px;
  align-items: start;
}
.cap-list { list-style: none; counter-reset: cap; }
.cap-list li {
  counter-increment: cap;
  padding: 16px 0 14px;
  border-bottom: 1px solid var(--line);
}
.cap-list li:first-child { border-top: 1px solid var(--line); }
.cap-list b::before {
  content: "0" counter(cap);
  font-family: var(--font-serif);
  color: var(--accent);
  margin-right: 12px;
  font-size: 14px;
}
.cap-list b { display: block; font-size: 16px; margin-bottom: 4px; }
.cap-list span { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.trust .small-note { margin-top: 14px; }
.trust__founder {
  background: var(--bg-alt);
  padding: 30px 28px;
  border: 1px solid var(--line);
}
.trust__founder .founder__avatar { width: 76px; height: 76px; }
.trust__founder .founder__name { margin-top: 16px; }
.trust__founder .founder__bio { margin-top: 12px; }
.trust__founder .founder__focus { margin-top: 14px; font-size: 15px; }

/* --- 深色转化区引导句 --- */
.cta-lead { font-family: var(--font-serif); font-size: 17px; color: var(--accent-bright); margin-bottom: 18px; letter-spacing: .02em; }

/* --- 页脚：暖米白（与转化区拉开层级） --- */
.site-footer { background: var(--bg); border-top: 1px solid var(--line); }
.site-footer nav a { color: var(--muted); }

/* --- 深色转化区补充文字 --- */
.section--deep .cta-block p { max-width: 720px; }

/* --- 移动端 --- */
@media (max-width: 960px) {
  .flagship { padding: 30px 22px 28px; }
  .flagship__meta { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .timeline li { margin-right: 0; padding: 14px 0 10px 22px; border-top: none; border-left: 2px solid var(--line); }
  .timeline li::before { top: 18px; left: -5px; }
  .svc-grid--two { grid-template-columns: 1fr; }
  .trust { grid-template-columns: 1fr; gap: 28px; }
}

/* --- V1.1 补丁：深色转化区内保障说明不带浅底 --- */
.section--deep .contact-note {
  background: none;
  border: none;
  padding: 0;
  color: #a7b2ab;
}

/* --- V1.1 补丁：边界清单单列占满 --- */
#fit .why-grid { grid-template-columns: 1fr; max-width: 780px; }

/* --- V1.1 补丁：转化区金句恢复判断区大字规格（老板 09-14 反馈：金句被弱化） --- */
.cta-block h2.judgment__zh {
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.32;
  max-width: 780px;
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  -webkit-text-fill-color: #f4f7f5;
}
.cta-block h2.judgment__zh strong {
  -webkit-text-fill-color: var(--accent-bright);
  color: var(--accent-bright);
  text-shadow: 0 0 34px rgba(255, 164, 87, .35);
}
.cta-block .cta-lead {
  font-size: clamp(16px, 2vw, 19px);
  margin-top: 2px;
  margin-bottom: 4px;
}