/**
 * 聚码绘梦科技工作室 — 单页介绍站（纯 HTML）
 * 配色：浅底深字，陶土主色；对比度优先
 */

:root {
  --bg: #f2efe8;
  --bg-elevated: #fffcf7;
  --bg-card: #ffffff;
  --text: #141210;
  --text-2: #3a3632;
  --text-muted: #5a5248;
  --accent: #a84832;
  --accent-hover: #c45a42;
  --accent-soft: rgba(168, 72, 50, 0.14);
  --sage: #3d6b52;
  --sage-soft: rgba(61, 107, 82, 0.12);
  --border: rgba(20, 18, 16, 0.12);
  --border-strong: rgba(20, 18, 16, 0.2);
  --shadow: 0 4px 24px rgba(20, 18, 16, 0.07);
  --radius: 16px;
  --radius-lg: 22px;
  --font: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --header-h: 56px;
  /* 垂直节奏：整页收紧间距 */
  --section-pad-y: clamp(20px, 2.8vw, 32px);
  --block-gap: 10px;
  --card-pad: 14px;
  /* 左右留白：正文与索引不贴屏边，含刘海安全区 */
  --gutter-x: clamp(28px, 6.5vw, 52px);
  /* 与 .wrap 同宽，供顶栏等与正文列对齐 */
  --wrap-max: 880px;
}

@media (min-width: 1024px) {
  :root {
    --wrap-max: 1040px;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 100% 50% at 10% 0%, rgba(168, 72, 50, 0.07), transparent 55%),
    radial-gradient(ellipse 80% 45% at 92% 12%, rgba(61, 107, 82, 0.09), transparent 50%),
    linear-gradient(180deg, #faf7f2 0%, #ebe6dc 100%);
  background-attachment: fixed;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding-left: calc(var(--gutter-x) + env(safe-area-inset-left, 0px));
  padding-right: calc(var(--gutter-x) + env(safe-area-inset-right, 0px));
  box-sizing: border-box;
}

/* ----- 顶栏 ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 8px;
  padding-bottom: 8px;
  padding-left: calc(var(--gutter-x) + env(safe-area-inset-left, 0px));
  padding-right: calc(var(--gutter-x) + env(safe-area-inset-right, 0px));
  background: rgba(255, 252, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(20, 18, 16, 0.05);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.2;
}

.brand strong {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.brand span {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 11px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  border: 1px solid transparent;
}

.nav a:hover {
  background: var(--accent-soft);
  color: var(--text);
  text-decoration: none;
}

.nav a.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(168, 72, 50, 0.25);
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: calc(var(--header-h) + 8px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    justify-content: flex-start;
  }
}

/* 宽屏：顶栏内容与 .wrap 左缘对齐（避免「导航贴边、正文居中」的错位感） */
@media (min-width: 960px) {
  .site-header {
    padding-left: max(
      calc(var(--gutter-x) + env(safe-area-inset-left, 0px)),
      calc((100% - var(--wrap-max)) / 2 + env(safe-area-inset-left, 0px))
    );
    padding-right: max(
      calc(var(--gutter-x) + env(safe-area-inset-right, 0px)),
      calc((100% - var(--wrap-max)) / 2 + env(safe-area-inset-right, 0px))
    );
  }
}

/* ----- Hero ----- */
.hero {
  padding: clamp(18px, 3.5vw, 36px) 0 clamp(16px, 2.5vw, 28px);
}

.hero-shell {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2.5vw, 22px);
  align-items: stretch;
  min-width: 0;
}

.hero-top {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  align-items: start;
}

@media (min-width: 900px) {
  .hero-top {
    /* 文案略宽、示意图略窄；右栏与左栏等高，示意图纵向撑满避免大块留白 */
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    column-gap: clamp(24px, 3.5vw, 42px);
    align-items: stretch;
  }

  .hero-copy-block .lead,
  .hero-copy-block .hero-core {
    max-width: none;
  }

  .hero-visual-column .hero-visual--duo {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    align-items: stretch;
  }

  .hero-visual-column .hero-visual--duo .mini-stage {
    min-height: 100%;
  }

  .hero-visual-column .hero-visual--duo .flow-anim--compact {
    min-height: 52px;
    padding: 2px 0;
  }

  .hero-visual-column .hero-visual--duo .flow-anim--compact .flow-step {
    width: 40px;
    height: 40px;
    font-size: 10px;
  }

  .hero-visual-column .hero-visual--duo .layer-mini--hero {
    min-height: 46px;
    gap: 5px;
  }

  .hero-visual-column .hero-visual--duo .layer-mini--hero .layer-mini-bar {
    height: 22px;
    padding: 0 7px;
    font-size: 10px;
  }

  .hero-visual-column {
    height: 100%;
    min-height: 0;
  }

  .hero-visual-column .snapshot.hero-visual--under-illus {
    flex-shrink: 0;
  }

  .hero-dept-illus {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }

  .hero-dept-svg--wide {
    flex: 1 1 auto;
    width: 100%;
    min-height: clamp(220px, 28vh, 380px);
    height: 100%;
    max-height: none;
    align-self: stretch;
  }

  .hero-dept-illus .hero-dept-cap {
    flex-shrink: 0;
  }
}

.hero-copy-block {
  min-width: 0;
}

.hero-visual-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.hero-dept-illus {
  margin: 0;
}

.hero-dept-svg {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.98), rgba(255, 255, 255, 0.94));
}

.hero-dept-svg--narrow {
  display: none;
}

@media (max-width: 720px) {
  .hero-dept-svg--wide {
    display: none;
  }

  .hero-dept-svg--narrow {
    display: block;
  }

  .hero-dept-cap {
    font-size: 16px;
    line-height: 1.55;
    padding: 0 6px;
  }
}

.hero-dept-cap {
  margin: 10px 0 0;
  text-align: center;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text-2);
}

.hero-visual--under-illus.snapshot {
  padding: 12px 14px;
}

/* 首屏右侧：工作流 / 技术条在桌面端加大字号（不影响下方「产品示意」） */
.hero-visual-column .mini-label {
  font-size: 11px;
  margin-bottom: 6px;
}

.hero-visual-column .flow-anim--compact {
  min-height: 58px;
}

.hero-visual-column .flow-anim--compact .flow-step {
  width: 46px;
  height: 46px;
  font-size: 11px;
}

.hero-visual-column .layer-mini--hero {
  min-height: 50px;
  gap: 6px;
}

.hero-visual-column .layer-mini--hero .layer-mini-bar {
  height: 26px;
  padding: 0 9px;
  font-size: 11px;
}

.hero-dept-svg .hero-ai-bob {
  transform-box: fill-box;
  transform-origin: center center;
  animation: heroAiBob 3.2s ease-in-out infinite;
  animation-delay: var(--ad, 0s);
}

@keyframes heroAiBob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

.hero-grid {
  display: grid;
  gap: clamp(14px, 2.5vw, 24px);
  align-items: start;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr minmax(240px, 300px);
    align-items: center;
  }
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.38rem, 4vw, 1.92rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero h1 .accent {
  background: linear-gradient(120deg, var(--accent), var(--sage));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 0 0 12px;
  font-size: clamp(15px, 2.6vw, 18px);
  line-height: 1.6;
  color: var(--text-2);
  max-width: 38em;
}

.lead strong {
  color: var(--text);
  font-weight: 600;
}

/* 首屏：核心差异（定制业务 / 培养方式 / 2D 组织 / 日报与领导） */
.hero-core {
  margin: 0 0 12px;
  max-width: 40em;
  padding: 12px 14px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(168, 72, 50, 0.22);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(168, 72, 50, 0.06));
  box-shadow: 0 2px 16px rgba(20, 18, 16, 0.05);
}

.hero-core__kicker {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-core__list {
  margin: 0;
  padding-left: 1.2em;
  font-size: clamp(14px, 1.85vw, 16px);
  line-height: 1.58;
  color: var(--text-2);
}

.hero-core__list li {
  margin-bottom: 8px;
}

.hero-core__list li:last-child {
  margin-bottom: 0;
}

.hero-core__list strong {
  color: var(--text);
  font-weight: 700;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    transform 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pill {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  background: var(--accent-soft);
  border: 1px solid rgba(168, 72, 50, 0.15);
}

.pill.sage {
  background: var(--sage-soft);
  border-color: rgba(61, 107, 82, 0.2);
}

.pill.neutral {
  background: rgba(20, 18, 16, 0.06);
  border-color: var(--border);
}

/* 快照卡片 */
.snapshot {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.98), rgba(255, 252, 248, 0.94));
  box-shadow: var(--shadow);
  padding: var(--card-pad);
}

.snapshot-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.snapshot ul {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.snapshot li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text-2);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-a {
  background: var(--accent);
}
.dot-b {
  background: var(--sage);
}
.dot-c {
  background: #4a6fa8;
}

.meta {
  border-top: 1px solid var(--border);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meta-row {
  font-size: 14px;
}

.meta-row .k {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.meta-row .v {
  font-weight: 700;
  color: var(--text);
}

.meta-row .h {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ----- 区块 ----- */
section {
  padding: var(--section-pad-y) 0;
}

.section-tint {
  background: linear-gradient(180deg, transparent, rgba(168, 72, 50, 0.05) 45%, transparent);
}

h2 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 2.5vw, 1.28rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.section-intro {
  margin: 0 0 12px;
  max-width: 38em;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

.cards {
  display: grid;
  gap: 10px;
}

@media (min-width: 640px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: var(--card-pad);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(168, 72, 50, 0.35);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

.modules {
  display: grid;
  gap: 12px;
}

@media (min-width: 720px) {
  .modules {
    grid-template-columns: repeat(3, 1fr);
  }
}

.module {
  padding: var(--card-pad);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.module-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.module h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(212, 160, 60, 0.2);
  color: #7a5a18;
  border: 1px solid rgba(212, 160, 60, 0.35);
}

.module p {
  flex: 1;
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

.module .btn {
  width: 100%;
  margin-top: auto;
}

/* 联系 */
.contact-grid {
  display: grid;
  gap: 12px;
}

@media (min-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr minmax(260px, 340px);
    align-items: start;
  }
}

.contact-box {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.contact-box .label {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.contact-box .mail {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  word-break: break-all;
  color: var(--accent);
}

.note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

/* 页脚 */
.site-footer {
  padding: 16px 0 22px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-2);
}

.site-footer .row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (min-width: 560px) {
  .site-footer .row {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
  }
}

.muted {
  color: var(--text-muted);
  font-size: 13px;
}

/* ----- Hero 侧栏动态示意 ----- */
.hero-visual-cap {
  margin: 8px 0 0;
  font-size: 11px;
  line-height: 1.45;
  color: var(--text-muted);
}

/* 任务流：四步循环高亮 */
.flow-anim {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 68px;
  padding: 4px 0;
}

.flow-anim--compact {
  min-height: 56px;
}

.flow-anim--compact .flow-step {
  width: 44px;
  height: 44px;
  font-size: 9px;
  line-height: 1.15;
}

.flow-rail {
  position: absolute;
  left: 12%;
  right: 12%;
  top: 50%;
  height: 4px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, var(--accent-soft), var(--sage-soft));
  border-radius: 3px;
  z-index: 0;
}

.flow-shine {
  position: absolute;
  left: 12%;
  right: 12%;
  top: 50%;
  height: 4px;
  transform: translateY(-50%);
  border-radius: 3px;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.95),
    transparent
  );
  background-size: 45% 100%;
  background-repeat: no-repeat;
  animation: flowShine 2.4s linear infinite;
}

.flow-step {
  position: relative;
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 2px solid var(--border);
  animation: flowPop 3.2s ease-in-out infinite;
  animation-delay: var(--d);
}

.flow-step span {
  padding: 0 2px;
}

@keyframes flowPop {
  0%,
  18%,
  100% {
    transform: scale(1);
    box-shadow: none;
    border-color: var(--border);
    color: var(--text-muted);
    background: var(--bg-card);
  }
  4%,
  12% {
    transform: scale(1.08);
    box-shadow: 0 8px 26px rgba(168, 72, 50, 0.22);
    border-color: var(--accent);
    color: var(--text);
    background: #fff;
  }
}

@keyframes flowShine {
  0% {
    background-position: -30% 0;
  }
  100% {
    background-position: 130% 0;
  }
}

/* ----- 示意动画栅格 ----- */
.demo-grid {
  display: grid;
  gap: 12px;
}

@media (min-width: 960px) {
  .demo-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

.demo-panel {
  margin: 0;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.demo-cap {
  margin: 0 0 10px;
}

.demo-cap strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 3px;
}

.demo-cap span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.45;
}

/* 管理台：条形图 + 假列表 */
.data-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 8px;
  height: 58px;
  margin-bottom: 8px;
  padding: 0 6px;
}

.data-bars i {
  display: block;
  width: 14px;
  height: var(--h);
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, var(--accent-hover), var(--accent));
  transform-origin: bottom center;
  animation: barWave 1.35s ease-in-out infinite alternate;
  animation-delay: var(--t);
}

@keyframes barWave {
  from {
    transform: scaleY(0.62);
    opacity: 0.72;
  }
  to {
    transform: scaleY(1);
    opacity: 1;
  }
}

.fake-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fake-row {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(20, 18, 16, 0.02);
}

.fake-row span {
  display: block;
  height: 8px;
  border-radius: 4px;
  background: rgba(20, 18, 16, 0.1);
}

.fake-row span:nth-child(1) {
  width: 28%;
}
.fake-row span:nth-child(2) {
  width: 22%;
}
.fake-row span:nth-child(3) {
  flex: 1;
}

.fake-row--pulse {
  animation: rowGlow 2.4s ease-in-out infinite;
}

@keyframes rowGlow {
  0%,
  55%,
  100% {
    border-color: var(--border);
    box-shadow: none;
  }
  8%,
  22% {
    border-color: rgba(168, 72, 50, 0.45);
    box-shadow: 0 0 0 3px var(--accent-soft);
  }
}

/* 平面图 SVG */
.floor-wrap {
  flex: 1;
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floor-svg {
  width: 100%;
  max-width: 220px;
  height: auto;
  display: block;
}

.floor-base {
  fill: rgba(255, 252, 247, 0.9);
  stroke: var(--border);
  stroke-width: 1.5;
}

.floor-room {
  fill: #fffcf7;
  stroke: var(--border-strong);
  stroke-width: 2;
  animation: roomGlow 9s ease-in-out infinite;
}

.floor-r-a {
  animation-delay: 0s;
}
.floor-r-b {
  animation-delay: 3s;
}
.floor-r-c {
  animation-delay: 6s;
}

@keyframes roomGlow {
  0%,
  100%,
  28% {
    stroke: var(--border-strong);
    stroke-width: 2;
    filter: none;
  }
  2%,
  12% {
    stroke: var(--accent);
    stroke-width: 3;
    filter: drop-shadow(0 6px 14px rgba(168, 72, 50, 0.18));
  }
}

.floor-emp {
  fill: var(--accent);
  animation: empPulse 2.2s ease-in-out infinite;
}

.floor-emp--b {
  fill: #4a6fa8;
  animation-delay: 0.4s;
}

.floor-emp--c {
  fill: var(--sage);
  animation-delay: 0.8s;
}

@keyframes empPulse {
  0%,
  100% {
    opacity: 0.78;
  }
  50% {
    opacity: 1;
  }
}

.floor-glow {
  fill: rgba(168, 72, 50, 0.14);
  animation: floorGlowFade 9s ease-in-out infinite;
  animation-delay: 6s;
}

@keyframes floorGlowFade {
  0%,
  100%,
  28% {
    opacity: 0.1;
  }
  2%,
  12% {
    opacity: 0.5;
  }
}

/* 招募动线 */
.recruit-stage {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-height: 80px;
}

.recruit-left {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

.tpl {
  font-size: 10px;
  font-weight: 600;
  padding: 7px 9px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-2);
  box-shadow: 0 2px 10px rgba(20, 18, 16, 0.06);
}

.tpl-a {
  animation: tplBreath 2.8s ease-in-out infinite;
}

.tpl-b {
  animation: tplBreath 2.8s ease-in-out infinite 0.5s;
}

@keyframes tplBreath {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.recruit-mid {
  position: relative;
  flex: 1;
  min-width: 72px;
  height: 36px;
  align-self: center;
}

.recruit-dash {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.recruit-dash line {
  stroke: var(--text-muted);
  stroke-width: 2;
  stroke-dasharray: 7 7;
  animation: dashMarch 0.75s linear infinite;
}

@keyframes dashMarch {
  to {
    stroke-dashoffset: -14;
  }
}

.recruit-orb {
  position: absolute;
  top: 50%;
  left: 6px;
  width: 13px;
  height: 13px;
  margin-top: -6.5px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #ffdacf, var(--accent));
  box-shadow: 0 2px 12px rgba(168, 72, 50, 0.5);
  animation: orbShuttle 2.8s ease-in-out infinite;
}

@keyframes orbShuttle {
  0%,
  100% {
    left: 6px;
    opacity: 1;
  }
  48%,
  52% {
    opacity: 1;
  }
  50% {
    left: calc(100% - 19px);
  }
}

.recruit-right {
  position: relative;
  flex-shrink: 0;
}

.dept-slot {
  font-size: 12px;
  font-weight: 700;
  padding: 16px 18px;
  border-radius: 12px;
  border: 2px dashed var(--border-strong);
  color: var(--text-2);
  background: rgba(61, 107, 82, 0.06);
  animation: deptCatch 2.8s ease-in-out infinite;
}

.dept-tag {
  position: absolute;
  top: -6px;
  right: -6px;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  animation: tagPop 2.8s ease-in-out infinite;
}

@keyframes deptCatch {
  0%,
  44%,
  56%,
  100% {
    border-color: var(--border-strong);
    box-shadow: none;
  }
  48%,
  54% {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
  }
}

@keyframes tagPop {
  0%,
  46%,
  100% {
    transform: scale(0.85);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.08);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .flow-step,
  .flow-shine,
  .data-bars i,
  .fake-row--pulse,
  .floor-room,
  .floor-emp,
  .floor-emp--b,
  .floor-emp--c,
  .floor-glow,
  .tpl-a,
  .tpl-b,
  .recruit-dash line,
  .recruit-orb,
  .dept-slot,
  .dept-tag,
  .blob,
  .eyebrow--pulse,
  .h1-shimmer,
  .pills--float .pill,
  .layer-mini-bar,
  .mod-tile::before,
  .roadmap-grid--pulse .roadmap-card,
  .contact-box--pulse,
  .j-step i,
  .hero-dept-svg .hero-ai-bob {
    animation: none !important;
  }

  .flow-step {
    border-color: var(--border);
    color: var(--text);
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .journey-line {
    transform: scaleX(1) !important;
  }

  .j-step {
    opacity: 1 !important;
    transform: none !important;
  }

  .compare-item--slide {
    opacity: 1 !important;
    transform: none !important;
  }

  .value-grid--pop .value-pill {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ----- 长文档型介绍区块 ----- */
.doc-section {
  scroll-margin-top: calc(var(--header-h) + 6px);
}

.doc-section > .wrap > h2 {
  padding-bottom: 6px;
  margin-bottom: 10px;
  border-bottom: 1px solid rgba(20, 18, 16, 0.08);
  width: 100%;
}

.doc-section h2 {
  margin-top: 0;
}

.doc-h3 {
  margin: 16px 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.doc-h3:first-of-type {
  margin-top: 8px;
}

.doc-h4 {
  margin: 12px 0 5px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-2);
}

.doc-lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-2);
  margin: 0 0 16px;
}

.doc-list {
  margin: 0 0 14px;
  padding-left: 1.25em;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.7;
}

.doc-list li {
  margin-bottom: 6px;
}

.doc-list--tight li {
  margin-bottom: 4px;
}

.doc-note {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 12px 0 0;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: rgba(20, 18, 16, 0.04);
  border-left: 3px solid var(--accent);
}

.tree-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-2);
  font-family: ui-monospace, 'Cascadia Code', monospace;
}

.tree-list ul {
  list-style: none;
  margin: 4px 0 4px 0.85em;
  padding: 0;
  border-left: 1px dashed var(--border-strong);
  padding-left: 12px;
}

.tree-list li {
  margin: 3px 0;
}

.journey-flow {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

@media (min-width: 768px) {
  .journey-flow {
    grid-template-columns: repeat(3, 1fr);
  }
}

.journey-step {
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 14px;
}

.journey-step strong {
  display: block;
  color: var(--accent);
  font-size: 12px;
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.pricing-grid {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.price-card {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.price-card--featured {
  border-color: rgba(168, 72, 50, 0.45);
  box-shadow: var(--shadow), 0 0 0 3px var(--accent-soft);
}

.price-tier {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.price-num {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.price-card ul {
  margin: 0;
  padding-left: 1.05em;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-2);
  flex: 1;
}

.price-card li {
  margin-bottom: 3px;
}

.compare-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.compare-item {
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.compare-item h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--text);
}

.compare-item ul {
  margin: 0;
  padding-left: 1.15em;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-2);
}

.compare-win {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--sage);
}

.layer-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 8px 0;
}

.layer-card {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(61, 107, 82, 0.06);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

.layer-card strong {
  display: block;
  color: var(--text);
  margin-bottom: 6px;
  font-size: 14px;
}

.roadmap-grid {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

@media (min-width: 720px) {
  .roadmap-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.roadmap-card {
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.roadmap-card h4 {
  margin: 0 0 5px;
  font-size: 0.9rem;
  color: var(--accent);
}

.roadmap-card ul {
  margin: 0;
  padding-left: 1.05em;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-2);
}

.value-grid {
  display: grid;
  gap: 6px;
  margin: 8px 0;
}

@media (min-width: 640px) {
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.value-pill {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  font-size: 13px;
  line-height: 1.42;
  color: var(--text-2);
}

.value-pill strong {
  color: var(--text);
  display: block;
  margin-bottom: 2px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.block-mission {
  margin: 12px 0 0;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(255, 252, 248, 0.95));
  box-shadow: var(--shadow);
}

.block-mission p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

.block-mission p:last-child {
  margin-bottom: 0;
}

.block-mission .tagline {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
}

.site-header .nav a {
  font-size: 14px;
  padding: 0 12px;
  min-height: 36px;
}

main {
  position: relative;
  z-index: 1;
}

/* 背景光斑 */
.hero-blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(56px);
  opacity: 0.38;
  animation: blobFloat 22s ease-in-out infinite;
}

.blob-a {
  width: min(320px, 70vw);
  height: min(320px, 70vw);
  background: rgba(168, 72, 50, 0.42);
  top: -12%;
  left: -8%;
}

.blob-b {
  width: min(260px, 55vw);
  height: min(260px, 55vw);
  background: rgba(61, 107, 82, 0.35);
  top: 35%;
  right: -10%;
  animation-delay: -8s;
}

.blob-c {
  width: min(220px, 50vw);
  height: min(220px, 50vw);
  background: rgba(74, 111, 168, 0.28);
  bottom: -5%;
  left: 25%;
  animation-delay: -14s;
}

@keyframes blobFloat {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  40% {
    transform: translate(24px, 18px) scale(1.06);
  }
  70% {
    transform: translate(-18px, 28px) scale(0.94);
  }
}

/* 滚动显现 */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.7s cubic-bezier(0.33, 1, 0.68, 1),
    transform 0.7s cubic-bezier(0.33, 1, 0.68, 1);
  transition-delay: var(--rd, 0s);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Hero 增强 */
.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow--pulse {
  animation: eyebrowPulse 2.8s ease-in-out infinite;
}

@keyframes eyebrowPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.72;
  }
}

.h1-shimmer {
  animation: h1Glow 5s ease-in-out infinite;
}

@keyframes h1Glow {
  0%,
  100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.04);
  }
}

.pills--float .pill {
  animation: pillFloat 3.5s ease-in-out infinite;
}

.pills--float .pill:nth-child(2) {
  animation-delay: 0.5s;
}

.pills--float .pill:nth-child(3) {
  animation-delay: 1s;
}

@keyframes pillFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.hero-visual--duo {
  display: grid;
  gap: 8px;
}

.mini-stage {
  padding: 9px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 252, 247, 0.75);
}

.mini-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 5px;
}

/* §6 技术分层 · 迷你条（首屏 + 产品示意） */
.layer-mini {
  display: flex;
  flex-direction: column;
  gap: 5px;
  justify-content: center;
  min-height: 48px;
}

.layer-mini--demo {
  gap: 8px;
  min-height: 100px;
  padding: 6px 0;
}

.layer-mini-bar {
  height: 24px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  background: linear-gradient(90deg, var(--accent-soft), var(--sage-soft));
  border: 1px solid var(--border);
  transform-origin: left center;
  animation: layerBarPulse 2.6s ease-in-out infinite;
  animation-delay: var(--lb, 0s);
}

.layer-mini--demo .layer-mini-bar {
  height: 30px;
  padding: 0 12px;
  font-size: 11px;
}

.layer-mini-bar span {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@keyframes layerBarPulse {
  0%,
  100% {
    opacity: 0.72;
    transform: scaleX(0.94);
  }
  35%,
  65% {
    opacity: 1;
    transform: scaleX(1);
  }
}

/* 全文索引（01–10 卡片） */
.chapter-nav {
  margin-bottom: 2px;
  padding: 10px 0 8px;
}

.chapter-nav.toc-fusion {
  margin: 0;
  padding: 0;
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

#toc {
  scroll-margin-top: calc(var(--header-h) + 10px);
  min-width: 0;
}

.toc-fusion__panel {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: clamp(16px, 2.5vw, 24px) clamp(14px, 2.8vw, 28px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.98), rgba(255, 252, 247, 0.96));
  box-shadow: var(--shadow);
}

.toc-fusion__head.chapter-nav__head {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(20, 18, 16, 0.1);
}

.toc-fusion .chapter-nav__title {
  font-size: clamp(1.2rem, 2.8vw, 1.45rem);
  margin-bottom: 6px;
}

.toc-fusion .chapter-nav__sub {
  font-size: clamp(14px, 1.9vw, 17px);
  color: var(--text-2);
  line-height: 1.55;
}

.chapter-nav__head {
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(20, 18, 16, 0.1);
}

.chapter-nav__title {
  display: block;
  margin: 0 0 4px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.chapter-nav__sub {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.45;
}

/* 十章速览 · 重点入口（桌面端 Grid 均分整行，避免 flex 子项未撑满） */
.toc-keys {
  margin-bottom: 16px;
  width: 100%;
  min-width: 0;
  display: block;
}

.toc-keys__label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 10px;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff;
  background: linear-gradient(120deg, var(--accent), #c45a42);
  box-shadow: 0 2px 12px rgba(168, 72, 50, 0.25);
}

.toc-keys__row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  min-width: 0;
}

/* 平板：2×2 */
@media (min-width: 640px) and (max-width: 899px) {
  .toc-keys__row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

/* 桌面（与首屏双栏同断点）：四列等宽铺满面板内宽 */
@media (min-width: 900px) {
  .toc-keys__row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    align-items: stretch;
  }
}

.toc-key {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 12px 13px 14px;
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  border: 2px solid rgba(168, 72, 50, 0.28);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.99), rgba(168, 72, 50, 0.06));
  box-shadow: 0 2px 14px rgba(20, 18, 16, 0.06);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.toc-key:hover,
.toc-key:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(168, 72, 50, 0.12);
  text-decoration: none;
  color: inherit;
  outline: none;
}

.toc-key__n {
  font-size: 1.55rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--accent);
}

.toc-key__t {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
}

.toc-key__d {
  font-size: 14px;
  line-height: 1.45;
  color: var(--text-2);
}

.toc-fusion__divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
}

.toc-fusion__divider::before,
.toc-fusion__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(20, 18, 16, 0.12), transparent);
}

.toc-fusion__divider span {
  flex-shrink: 0;
  letter-spacing: 0.08em;
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

@media (max-width: 720px) {
  .chapter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 721px) and (max-width: 1000px) {
  .chapter-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.chapter-grid--toc {
  gap: 10px;
}

@media (min-width: 1001px) {
  .chapter-grid--toc {
    gap: 12px;
  }

  .toc-fusion__panel {
    padding: clamp(18px, 2.2vw, 26px) clamp(16px, 2.5vw, 30px);
  }
}

.chapter-grid--toc .ch-card {
  min-height: 3.65rem;
  padding: 10px 10px 10px 11px;
  gap: 4px;
}

.chapter-grid--toc .ch-card__num {
  font-size: 1.08rem;
}

.chapter-grid--toc .ch-card__title {
  font-size: 14px;
}

.ch-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-height: 4.25rem;
  padding: 12px 12px 12px 13px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  text-decoration: none;
  color: inherit;
  text-align: left;
  box-shadow: 0 1px 8px rgba(20, 18, 16, 0.04);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.ch-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--sage));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.ch-card:hover,
.ch-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(168, 72, 50, 0.35);
  box-shadow: 0 6px 20px rgba(168, 72, 50, 0.1);
  text-decoration: none;
  color: inherit;
  outline: none;
}

.ch-card:hover::before,
.ch-card:focus-visible::before {
  opacity: 1;
}

.ch-card__num {
  font-size: 1.12rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--accent);
}

.ch-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

/* 精简正文 */
.sec-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  height: 1.65rem;
  padding: 0 5px;
  margin-right: 8px;
  border-radius: 7px;
  font-size: 11px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #c45a42);
  vertical-align: middle;
  flex-shrink: 0;
}

.sec-tag--sm {
  min-width: 1.95rem;
  height: 1.45rem;
  font-size: 10px;
  margin-right: 6px;
}

.sec-tag--sym {
  min-width: 1.55rem;
  height: 1.55rem;
  padding: 0;
  font-size: 12px;
  color: var(--accent);
  background: rgba(168, 72, 50, 0.1);
  border: 1.5px solid rgba(168, 72, 50, 0.45);
}

.tight {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.58;
  color: var(--text-2);
}

.slogan-line {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.ul-compact {
  margin: 0 0 8px;
  padding-left: 1.15em;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-2);
}

.ul-compact li {
  margin-bottom: 4px;
}

details.more {
  margin-top: 6px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  background: rgba(255, 252, 247, 0.6);
  padding: 0 12px;
}

details.more summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  padding: 8px 0;
  list-style: none;
}

details.more summary::-webkit-details-marker {
  display: none;
}

details.more[open] summary {
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
  padding-bottom: 6px;
}

details.more p,
details.more ul {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.58;
  color: var(--text-2);
}

.card-row {
  display: grid;
  gap: 8px;
  margin: 8px 0;
}

@media (min-width: 720px) {
  .card-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.lite-card {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease;
}

.lite-card:hover {
  transform: translateY(-4px);
  border-color: rgba(168, 72, 50, 0.35);
}

.lite-card h3 {
  margin: 0 0 5px;
  font-size: 0.95rem;
  color: var(--text);
}

.lite-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* 旅程轨 */
.journey-rail {
  margin: 4px 0 2px;
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
}

.journey-line {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--sage));
  transform-origin: left center;
  transform: scaleX(0.08);
  transition: transform 1s cubic-bezier(0.33, 1, 0.68, 1);
}

.reveal.is-in .journey-line {
  transform: scaleX(1);
}

.journey-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: space-between;
  margin: 8px 0 4px;
}

.j-step {
  flex: 1;
  min-width: 72px;
  max-width: 120px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
  transition-delay: var(--js, 0s);
}

.reveal.is-in .j-step {
  opacity: 1;
  transform: none;
}

.j-step i {
  display: block;
  width: 12px;
  height: 12px;
  margin: 0 auto 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: jDot 2s ease-in-out infinite;
  animation-delay: var(--js, 0s);
}

@keyframes jDot {
  0%,
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
  50% {
    box-shadow: 0 0 0 6px var(--accent-soft);
  }
}

.j-step span {
  display: block;
  line-height: 1.3;
  color: var(--text-2);
  font-weight: 500;
}

.sub-sec {
  margin: 18px 0 8px;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  line-height: 1.3;
}

/* 功能四格 */
.mod-grid {
  display: grid;
  gap: 8px;
  margin-top: 6px;
}

@media (min-width: 640px) {
  .mod-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .mod-grid--6 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.mod-tile {
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-2);
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease;
}

.mod-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(168, 72, 50, 0.06), transparent);
  transform: translateX(-100%);
  animation: tileSheen 4s ease-in-out infinite;
}

.mod-tile--b::before {
  animation-delay: 1s;
}
.mod-tile--c::before {
  animation-delay: 2s;
}
.mod-tile--d::before {
  animation-delay: 3s;
}

@keyframes tileSheen {
  0%,
  100% {
    transform: translateX(-100%);
  }
  40%,
  60% {
    transform: translateX(100%);
  }
}

.mod-tile:hover {
  transform: scale(1.02);
  border-color: rgba(168, 72, 50, 0.3);
}

.mod-tile strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.88rem;
  color: var(--text);
}

.mod-tile span {
  color: var(--text-muted);
}

/* 竞品条 */
.compare-item--slide {
  opacity: 0;
  transform: translateX(-16px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
  transition-delay: var(--cs, 0s);
}

.reveal.is-in .compare-item--slide {
  opacity: 1;
  transform: none;
}

.compare-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.52;
  color: var(--text-2);
}

/* 路线图微脉冲 */
.roadmap-grid--pulse .roadmap-card {
  animation: cardPulse 4s ease-in-out infinite;
}

.roadmap-grid--pulse .roadmap-card:nth-child(2) {
  animation-delay: 1.2s;
}

.roadmap-grid--pulse .roadmap-card:nth-child(3) {
  animation-delay: 2.4s;
}

@keyframes cardPulse {
  0%,
  100% {
    box-shadow: var(--shadow);
  }
  50% {
    box-shadow: var(--shadow), 0 0 0 3px var(--accent-soft);
  }
}

.roadmap-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
}

/* 价值 pills 入场 */
.value-grid--pop .value-pill {
  opacity: 0;
  transform: scale(0.92);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
  transition-delay: var(--vp, 0s);
}

.reveal.is-in .value-grid--pop .value-pill {
  opacity: 1;
  transform: none;
}

/* 四格动效 */
.demo-grid--4 {
  margin-top: 8px;
}

@media (min-width: 1000px) {
  .demo-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 560px) and (max-width: 999px) {
  .demo-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.mesh-anim {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 88px;
}

.mesh-svg {
  width: 100%;
  max-width: 160px;
  height: auto;
}

.mesh-path {
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-dasharray: 8 6;
  animation: meshDash 2.5s linear infinite;
}

@keyframes meshDash {
  to {
    stroke-dashoffset: -28;
  }
}

.mesh-node {
  fill: var(--sage);
  animation: meshNode 2.2s ease-in-out infinite;
}

.mesh-node:nth-of-type(3) {
  animation-delay: 0.3s;
}
.mesh-node:nth-of-type(4) {
  animation-delay: 0.6s;
}
.mesh-node:nth-of-type(5) {
  animation-delay: 0.9s;
}

.mesh-node--core {
  fill: var(--accent);
  animation: meshCoreOpacity 1.8s ease-in-out infinite;
}

@keyframes meshNode {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}

@keyframes meshCoreOpacity {
  0%,
  100% {
    opacity: 0.72;
  }
  50% {
    opacity: 1;
  }
}

.block-mission--compact p {
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-2);
}

.block-mission--compact p:last-child {
  margin-bottom: 0;
}

.contact-box--pulse {
  animation: contactGlow 3.5s ease-in-out infinite;
}

@keyframes contactGlow {
  0%,
  100% {
    box-shadow: var(--shadow);
  }
  50% {
    box-shadow: var(--shadow), 0 0 0 3px var(--accent-soft);
  }
}