/* tokens.css 由 index.html 独立引入；拉丁文案用系统字体栈，避免第三方 CDN */

/* ═══════════════════════════════════════════════
   Reset & Base
═══════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

h1, h2, h3, h4, h5 {
  color: var(--ink);
  font-weight: 900;
  line-height: 1.05;
  margin: 0 0 12px;
}

a { color: var(--flame-red); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════
   Navigation
═══════════════════════════════════════════════ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: block;
  object-fit: contain;
}
.brand-text strong {
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: 1.2;
}
.brand-dot {
  display: inline-block;
  width: 0.34em;
  height: 0.34em;
  min-width: 6px;
  min-height: 6px;
  margin: 0 0.14em;
  border-radius: 50%;
  background: var(--flame-red);
  flex-shrink: 0;
  align-self: center;
  vertical-align: middle;
  position: relative;
  top: -0.04em;
}
.brand-text span {
  display: block;
  font-family: var(--font-latin);
  font-size: 10px;
  color: var(--gray);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 14px;
}
.nav-links a {
  color: var(--gray);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.18s ease;
}
.nav-links a:hover,
.nav-links a.is-active {
  color: var(--flame-red);
  text-decoration: none;
}

.nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
}

/* ═══════════════════════════════════════════════
   Buttons
═══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: var(--r-btn);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.25;
  min-height: 44px;
  font-family: var(--font);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--grad-flame);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  box-shadow: 0 14px 28px rgba(242, 27, 43, 0.36);
  color: #fff;
}

.btn-ghost {
  background: var(--bg);
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: rgba(20, 20, 25, 0.12);
  color: var(--ink);
  background: var(--bg-soft);
}

.btn-underline {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
  min-height: 48px;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  min-height: 36px;
  margin-top: 12px;
  display: inline-flex;
}

.btn-ghost-white {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.45);
}
.btn-ghost-white:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* ═══════════════════════════════════════════════
   Hero
═══════════════════════════════════════════════ */
.hero {
  position: relative;
  padding: 72px 0 0;
  background-color: var(--bg-soft);
  background-image:
    var(--grad-glow),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: auto, 60px 60px, 60px 60px;
  background-position: center, center, center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding-bottom: 56px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--flame-red);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 16px 6px 12px;
  border-radius: var(--r-pill);
  margin-bottom: 24px;
}
.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--flame-red);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(36px, 4.8vw, 64px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--ink);
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}
.hero h1 .accent { color: var(--flame-red); }
.hero-h1-secondary {
  white-space: nowrap;
}

.hero-lead {
  font-size: 16px;
  color: var(--text);
  max-width: 520px;
  line-height: 1.75;
  margin: 0 0 28px;
}

.hero-quote {
  margin: 0 0 24px;
  padding: 0 0 0 16px;
  border-left: 3px solid var(--flame-red);
  background: transparent;
  border-radius: 0;
}
.hero-quote-cite,
.hero-quote-desc {
  margin: 0;
  font-size: 13px;
  color: var(--gray);
  line-height: 1.75;
}
.hero-quote-desc { margin-top: 8px; }
.hero-quote strong { color: var(--flame-red); font-weight: 700; }

/* Step flow */
.hero-steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 32px;
}
.hero-step {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-step);
  padding: 12px 16px;
  min-width: 88px;
  cursor: default;
  transition: box-shadow 0.18s ease;
}
.hero-step:hover { box-shadow: var(--shadow); }
.hero-step.active {
  background: var(--grad-flame);
  border-color: transparent;
  box-shadow: var(--shadow-btn);
}
.hero-step .step-num {
  font-family: var(--font-latin);
  font-size: 11px;
  font-weight: 700;
  color: var(--flame-red);
  margin-bottom: 4px;
}
.hero-step.active .step-num { color: rgba(255, 255, 255, 0.85); }
.hero-step .step-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
.hero-step.active .step-label { color: #fff; }
.hero-step .step-sub {
  font-size: 11px;
  color: var(--gray);
  margin-top: 2px;
}
.hero-step.active .step-sub { color: rgba(255, 255, 255, 0.82); }
.hero-step-arrow {
  color: var(--flame-red);
  font-size: 16px;
  flex-shrink: 0;
  padding: 0 2px;
  align-self: center;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
}
.hero-ctas::before {
  content: '';
  position: absolute;
  left: -40px;
  bottom: -24px;
  width: 180px;
  height: 120px;
  background: radial-gradient(circle, rgba(242, 27, 43, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ─────────────────────────────────────────────
   Hero visual — right column
───────────────────────────────────────────── */
.hero-visual {
  position: relative;
  min-height: 540px;
  isolation: isolate;
}

/* Large triangle mark — positioned upper-right, bleeds beyond column edge */
.hero-mark-wrap {
  position: absolute;
  right: -40px;
  top: 48px;
  width: 48%;
  z-index: 1;
  pointer-events: none;
}
/* Ambient glow behind mark — tuned for flame/mustache logo */
.hero-mark-wrap::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 48%;
  transform: translate(-50%, -50%);
  width: 130%;
  height: 88%;
  background: radial-gradient(circle, rgba(230, 74, 25, 0.14) 0%, rgba(245, 166, 35, 0.06) 45%, transparent 72%);
  z-index: -1;
}

.hero-mark-unit {
  display: block;
  line-height: 0;
  font-size: 0;
}
.hero-mark {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: top;
  object-fit: contain;
  aspect-ratio: 1 / 1; /* P0-2：图片加载前预留正方形空间，消除 CLS */
  filter: drop-shadow(0 18px 40px rgba(230, 74, 25, 0.2)) drop-shadow(0 4px 14px rgba(245, 166, 35, 0.12));
}
.hero-mark-reflect {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: top;
  object-fit: contain;
  aspect-ratio: 1 / 1; /* P0-2：同上，倒影图同样预留空间 */
  transform: scaleY(-1);
  transform-origin: top center;
  opacity: 0.45;
  filter: blur(0.3px);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.28) 42%, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.28) 42%, transparent 85%);
}

/* GEI glass card — upper left of visual */
.hero-gei-card,
.hero-xfi-card {
  position: absolute;
  left: 0;
  top: 8px;
  z-index: 2;
  background: var(--glass-card-bg);
  backdrop-filter: var(--glass-card-blur);
  -webkit-backdrop-filter: var(--glass-card-blur);
  border: var(--glass-card-border);
  border-radius: var(--r-card);
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
  width: 58%;
  max-width: 268px;
  writing-mode: horizontal-tb;
  direction: ltr;
  transition: box-shadow 0.2s ease;
}
.hero-gei-card:hover,
.hero-xfi-card:hover {
  box-shadow: 0 30px 68px rgba(209, 0, 29, 0.15), 0 2px 8px rgba(0, 0, 0, 0.04);
}

.hero-gei-title,
.hero-xfi-title {
  font-size: 12px;
  color: var(--gray);
  font-weight: 500;
  margin-bottom: 12px;
}
.hero-gei-score,
.hero-xfi-score {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 12px;
}
.hero-gei-num,
.hero-xfi-num {
  font-family: var(--font-latin);
  font-size: 56px;
  font-weight: 900;
  color: var(--flame-red);
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero-gei-delta,
.hero-xfi-delta {
  font-family: var(--font-latin);
  font-size: 14px;
  font-weight: 700;
  color: var(--flame-red);
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}
.hero-gei-level,
.hero-xfi-level {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--flame-red);
  background: var(--pink-50);
  padding: 4px 12px;
  border-radius: var(--r-pill);
  margin-bottom: 16px;
}
.hero-gei-progress,
.hero-xfi-progress {
  height: 8px;
  background: rgba(20, 20, 25, 0.06);
  border-radius: var(--r-pill);
  overflow: hidden;
  margin-bottom: 18px;
}
.hero-gei-progress-fill,
.hero-xfi-progress-fill {
  width: 75%;
  height: 100%;
  background: var(--grad-flame);
  border-radius: inherit;
}
.hero-gei-models,
.hero-xfi-models {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.hero-gei-model,
.hero-xfi-model {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}
.hero-gei-model .label,
.hero-xfi-model .label {
  font-size: 11px;
  color: var(--gray);
}
.hero-gei-model .val,
.hero-xfi-model .val {
  font-family: var(--font-latin);
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
}

.hero-todo-card {
  position: absolute;
  right: 0;
  bottom: 24px;
  z-index: 2;
  background: var(--glass-todo-bg);
  backdrop-filter: var(--glass-card-blur);
  -webkit-backdrop-filter: var(--glass-card-blur);
  border: var(--glass-card-border);
  border-radius: var(--r-card);
  padding: 16px 20px;
  box-shadow: var(--shadow-card);
  width: 66%;
  max-width: 270px;
  writing-mode: horizontal-tb;
  direction: ltr;
  transition: box-shadow 0.2s ease;
}
.hero-todo-card:hover {
  box-shadow: 0 30px 68px rgba(209, 0, 29, 0.15), 0 2px 8px rgba(0, 0, 0, 0.04);
}

.hero-todo-title {
  font-size: 12px;
  color: var(--gray);
  font-weight: 500;
  margin-bottom: 12px;
}
.hero-todo-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--text);
  line-height: 1.5;
}
.hero-todo-item:last-child { margin-bottom: 0; }
.hero-todo-badge {
  font-family: var(--font-latin);
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: var(--flame-red);
  padding: 2px 7px;
  border-radius: 6px;
  flex-shrink: 0;
  margin-top: 1px;
}
.hero-todo-badge.video {
  background: var(--amber, #F5A623);
  color: #2C2118;
}
.hero-todo-badge.wb {
  background: #12B76A;
  color: #fff;
}
.hero-todo-badge.mall {
  background: var(--flame-red);
  color: #fff;
}

/* Trust band */
.trust-band {
  background: var(--bg-footer);
  border-top: 1px solid var(--line);
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 28px 36px;
  padding: 28px 0 32px;
}
.trust-label {
  font-size: 12px;
  color: var(--gray);
  letter-spacing: 0.06em;
  width: 100%;
  text-align: center;
  margin-bottom: 4px;
}
.trust-row span {
  font-family: var(--font-latin);
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-muted);
  letter-spacing: 0.04em;
}

/* ═══════════════════════════════════════════════
   Sections
═══════════════════════════════════════════════ */
section { padding: 72px 0; }
section.alt { background: var(--bg-tint); }

.section-head {
  text-align: center;
  max-width: min(1100px, 100%);
  margin: 0 auto 48px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 11px;
  color: var(--red);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--red-border);
  background: var(--red-tint);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 800;
  margin: 0 0 14px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
/* 宽屏：标题整行不拆字；窄屏仍可自然换行 */
@media (min-width: 900px) {
  .section-head h2 {
    white-space: nowrap;
  }
}
.section-head h2 .accent { color: var(--red); }
.section-head p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  margin: 0;
}

/* ═══════════════════════════════════════════════
   Why Now — 3 cards
═══════════════════════════════════════════════ */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}
.cards-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-num {
  font-size: 11px;
  font-weight: 800;
  color: var(--red);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.card h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════
   Platform diagram
═══════════════════════════════════════════════ */
.platform-diagram {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow);
}
.platform-title {
  text-align: center;
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 24px;
}
.platform-title strong { color: var(--ink); }
.platform-layers {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 12px;
}
.layer {
  text-align: center;
  padding: 18px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--red-border);
  background: var(--red-tint);
}
.layer strong {
  display: block;
  color: var(--red);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}
.layer span { font-size: 12px; color: var(--muted); }

/* ═══════════════════════════════════════════════
   User Journey
═══════════════════════════════════════════════ */
.journey {
  display: grid;
  grid-template-columns: repeat(6,1fr);
  gap: 0;
  position: relative;
}
.journey::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 10%;
  width: 80%;
  height: 1px;
  background: var(--line);
  z-index: 0;
}
.journey-step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 14px 16px;
  text-align: center;
  position: relative;
  z-index: 1;
  margin: 0 6px;
  box-shadow: var(--shadow);
}
.journey-step .idx {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  margin: 0 auto 10px;
}
.journey-step h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ink);
}
.journey-step p {
  margin: 0;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════
   Feature blocks (Product Screens)
═══════════════════════════════════════════════ */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 64px;
}
.feature-block:last-child { margin-bottom: 0; }
.feature-block.reverse { direction: rtl; }
.feature-block.reverse > * { direction: ltr; }
.feature-copy { padding-top: 8px; }
.feature-copy h3 {
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 800;
  margin: 0 0 10px;
}
.feature-copy p { color: var(--muted); font-size: 15px; line-height: 1.7; }
.feature-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.feature-list li {
  padding: 9px 0;
  position: relative;
  font-size: 14px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.5;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: none;
  display: none;
}

/* ═══════════════════════════════════════════════
   GEI Section
═══════════════════════════════════════════════ */
.gei-formula {
  text-align: center;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--red-border);
  border-radius: var(--radius);
  padding: 14px 24px;
  margin: 0 auto 32px;
  max-width: 560px;
  font-family: monospace;
  letter-spacing: 0.02em;
}
.gei-formula .w { color: var(--red); font-weight: 800; }

.gei-levels {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  max-width: 720px;
  margin: 0 auto 36px;
}
.gei-levels-label {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}
.gei-levels-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.gei-level-chip {
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.gei-level-chip.l1 { background: var(--red); color: #fff; }
.gei-level-chip.l2 { background: var(--red-tint); border: 1px solid var(--red-border); color: var(--red); }
.gei-level-chip.l3 { background: var(--bg-card); border: 1px solid var(--line); color: var(--muted); }
.gei-level-chip.l4 { background: var(--bg-card); border: 1px solid var(--line); color: #bbb; }
.gei-level-chip.l5 { background: var(--bg-card); border: 1px dashed var(--line); color: #ccc; }

/* Video capability cards */
.video-cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.video-cap-card .feature-list.compact {
  margin: 12px 0 0;
}
.video-cap-card .feature-list.compact li {
  font-size: 13px;
  padding: 6px 0;
}
.feature-list.compact li::before {
  content: none;
  display: none;
}

.gei-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 16px;
}
.gei-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow);
}
.gei-layer {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--red);
  margin-bottom: 8px;
}
.gei-card.c1 { border-top-color: var(--red); }
.gei-card.c2 { border-top-color: #a01515; }
.gei-card.c3 { border-top-color: #ccc; }
.gei-card.c4 { border-top-color: #e0e0e0; }
.gei-card-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.gei-card.c1 .gei-card-tag { color: var(--red); }
.gei-card.c2 .gei-card-tag { color: #a01515; }
.gei-card.c3 .gei-card-tag, .gei-card.c4 .gei-card-tag { color: var(--muted); }
.gei-card-weight {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 10px;
}
.gei-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
}
.gei-card p {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.gei-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}
.gei-card ul li {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.gei-card ul li::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--line);
  flex-shrink: 0;
}
.gei-card.c1 ul li::before { background: var(--red); }
.gei-card.c2 ul li::before { background: #a01515; }

/* ═══════════════════════════════════════════════
   Technical Honesty
═══════════════════════════════════════════════ */
.honesty-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.honesty-col {
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--line);
}
.honesty-col.yes {
  background: var(--success-bg);
  border-color: var(--success-border);
}
.honesty-col.no {
  background: var(--bg-card);
  border-color: var(--line);
}
.honesty-col h3 {
  margin-top: 0;
  font-size: 16px;
  margin-bottom: 14px;
}
.honesty-col.yes h3 { color: var(--success); }
.honesty-col.no h3 { color: var(--muted); }
.honesty-col ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.8;
}
.honesty-col.no ul { color: var(--muted); }

/* ═══════════════════════════════════════════════
   Model Coverage
═══════════════════════════════════════════════ */
.models {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.model-chip {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}
.model-chip.hot {
  border-color: var(--red-border);
  color: var(--red);
  background: var(--red-tint);
  font-weight: 600;
}

/* ═══════════════════════════════════════════════
   Case Studies
═══════════════════════════════════════════════ */
.cases {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 16px;
}
.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s;
}
.case-card:hover { box-shadow: var(--shadow-md); }
.case-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--red);
  background: var(--red-tint);
  border: 1px solid var(--red-border);
  padding: 3px 10px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.case-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
}
.case-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   FAQ
═══════════════════════════════════════════════ */
.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 10px;
}
.faq details[open] { border-color: var(--red-border); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::after {
  content: '+';
  font-size: 18px;
  color: var(--muted);
  font-weight: 400;
  flex-shrink: 0;
  margin-left: 12px;
}
.faq details[open] summary::after { content: '−'; color: var(--red); }
.faq p {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════
   Footer CTA
═══════════════════════════════════════════════ */
.footer-cta {
  background: var(--ink);
  color: #fff;
  text-align: center;
  padding: 64px 24px;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.footer-cta::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(201,31,31,0.25), transparent 70%);
  pointer-events: none;
}
.footer-cta h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  margin: 0 0 14px;
  position: relative;
}
.footer-cta p {
  color: rgba(255,255,255,0.65);
  font-size: 16px;
  margin: 0 0 28px;
  position: relative;
}
.footer-cta .btn-primary {
  background: var(--grad-flame);
  border-color: transparent;
  box-shadow: var(--shadow-btn);
  position: relative;
}
.footer-cta .btn-primary:hover {
  box-shadow: 0 14px 28px rgba(242, 27, 43, 0.36);
}

/* ═══════════════════════════════════════════════
   Site Footer
═══════════════════════════════════════════════ */
.site-footer {
  padding: 36px 0 52px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--line);
  background: var(--white);
}
.footer-icp {
  margin-top: 6px;
}
.footer-icp a {
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}
.footer-icp a:hover { color: var(--red); }
.footer-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 8px;
}
.footer-links a {
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}
.footer-links a:hover { color: var(--red); }

/* ═══════════════════════════════════════════════
   v4 · Capability strip
═══════════════════════════════════════════════ */
.trust-band--caps {
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.cap-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  padding: 28px 0 32px;
}
.cap-strip-item {
  text-align: center;
  padding: 14px 10px;
  border-radius: 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.cap-strip-item strong {
  display: block;
  font-size: 13px;
  color: var(--ink);
  margin-bottom: 4px;
}
.cap-strip-item span {
  font-size: 12px;
  color: var(--muted);
}

/* ═══════════════════════════════════════════════
   v4 · Pillars + core five
═══════════════════════════════════════════════ */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}
.pillars--4 {
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.pillar {
  position: relative;
  padding: 28px 24px 26px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.pillars--4 .pillar {
  padding: 24px 18px 22px;
}
.pillars--4 .pillar h3 {
  font-size: 24px;
}
.pillar::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--grad-flame);
}
.pillar--build::before {
  background: linear-gradient(90deg, #F5A623, #7BAE7F);
}
.pillar--wb::before {
  background: linear-gradient(90deg, #12B76A, #32D583);
}
.pillar--mall::before,
.pillar--close::before {
  background: linear-gradient(90deg, #E64A19, #F5A623);
}
.pillar-idx {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--flame-red);
  margin-bottom: 10px;
}
.pillar h3 {
  font-size: 28px;
  margin: 0 0 6px;
}
.pillar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
}
.pillar > p:last-child {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

.core-modules-title,
.core-five-title {
  text-align: center;
  font-size: 15px;
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 16px;
}
.core-modules-grid,
.core-five-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.core-modules-card,
.core-five-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--white);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.core-modules-card:hover,
.core-five-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.core-five-dot { display: none; }
.core-modules-card strong,
.core-five-card strong {
  font-size: 15px;
  color: var(--ink);
}
.core-modules-card span,
.core-five-card span {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.45;
}

/* ═══════════════════════════════════════════════
   v4 · Assets visual
═══════════════════════════════════════════════ */
.assets-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.assets-tree {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.assets-node {
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.assets-node span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}
.assets-node--co { border-color: rgba(230, 74, 25, 0.28); background: #FFF7F3; }
.assets-node--br { border-color: rgba(123, 174, 127, 0.35); background: #F4FAF5; }
.assets-node--pr { border-color: rgba(245, 166, 35, 0.35); background: #FFF9F0; }
.assets-branch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-left: 18px;
  border-left: 2px solid var(--line);
  margin-left: 12px;
}
.assets-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 18px;
}
.assets-tags span {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--muted);
}

/* ═══════════════════════════════════════════════
   v4 · Optimize grid
═══════════════════════════════════════════════ */
.opt-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.opt-card .feature-list { margin-top: 12px; }
.opt-card .feature-list.compact,
.feature-list.compact {
  margin-top: 10px;
}
.feature-list.compact li {
  padding: 6px 0;
  font-size: 13px;
}

/* ═══════════════════════════════════════════════
   v4 · WorkBuddy
═══════════════════════════════════════════════ */
.wb-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.wb-panel-hero {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.wb-logo {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: contain;
  background: #F3FBF6;
  border: 1px solid rgba(18, 183, 106, 0.2);
  flex-shrink: 0;
}
.wb-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #067647;
  background: #ECFDF3;
  border: 1px solid #ABEFC6;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.wb-panel-hero h3 {
  font-size: 24px;
  margin: 0 0 8px;
}
.wb-panel-hero p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 720px;
}
.wb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.wb-card {
  padding: 20px 18px;
  border-radius: 16px;
  background: #F8FBF9;
  border: 1px solid rgba(18, 183, 106, 0.14);
}
.wb-card-num {
  font-size: 11px;
  font-weight: 800;
  color: #12B76A;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.wb-card h4 {
  font-size: 16px;
  margin: 0 0 8px;
}
.wb-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}
.wb-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-bottom: 24px;
}
.wb-step {
  text-align: center;
  font-size: 12px;
  color: var(--ink);
  font-weight: 600;
  padding: 12px 8px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  line-height: 1.35;
}
.wb-step span {
  display: block;
  width: 22px;
  height: 22px;
  margin: 0 auto 6px;
  border-radius: 50%;
  background: #12B76A;
  color: #fff;
  font-size: 11px;
  line-height: 22px;
}
.wb-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ═══════════════════════════════════════════════
   v4 · AI Mall
═══════════════════════════════════════════════ */
.mall-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.mall-copy h3 {
  font-size: 26px;
  margin: 0 0 12px;
}
.mall-copy > p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 18px;
}
.mall-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
.mall-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.mall-storefront {
  width: min(100%, 340px);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #FFF7EB;
  border: 1px solid var(--line);
}
.mall-awning {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  height: 18px;
}
.mall-awning span:nth-child(odd) { background: #FFD4A8; }
.mall-awning span:nth-child(even) { background: #fff; }
.mall-face {
  padding: 22px 20px 24px;
  text-align: center;
}
.mall-sign {
  display: inline-block;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  background: var(--grad-flame);
  padding: 8px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-btn);
}
.mall-window {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
}
.mall-shelf {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 10px;
}
.mall-shelf:last-child { margin-bottom: 0; }
.mall-shelf i {
  display: block;
  width: 28px;
  border-radius: 6px 6px 2px 2px;
  height: 36px;
}
.mall-shelf:last-child i { height: 28px; }
.mall-tagline {
  font-size: 13px;
  font-weight: 700;
  color: var(--flame-red);
}
.mall-flow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.mall-flow-arr { color: var(--flame-red); }

.models-block {
  margin-top: 48px;
  text-align: center;
}
.models-block h3 {
  font-size: 18px;
  margin: 0 0 18px;
}

/* ═══════════════════════════════════════════════
   Responsive
═══════════════════════════════════════════════ */
@media (max-width: 1199px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-visual {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: stretch;
    min-height: unset;
    max-width: 520px;
    margin: 0 auto;
    padding-top: 4px;
  }

  .hero-mark-wrap {
    order: 1;
    position: relative;
    right: auto;
    top: auto;
    width: min(240px, 58vw);
    margin: 0 auto 6px;
  }

  .hero-mark-wrap::before {
    width: 120%;
    height: 80%;
  }

  .hero-gei-card,
  .hero-xfi-card {
    order: 2;
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    max-width: none;
    margin: 0;
  }

  .hero-todo-card {
    order: 3;
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    max-width: none;
    margin: 0;
  }
}

@media (min-width: 981px) and (max-width: 1199px) {
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .pillars--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .feature-block,
  .cards-3,
  .cards-4,
  .platform-layers,
  .video-cap-grid,
  .gei-grid,
  .honesty-grid,
  .cases,
  .pillars,
  .pillars--4,
  .opt-grid,
  .wb-grid,
  .mall-layout { grid-template-columns: 1fr; }
  .cap-strip,
  .core-five-grid,
  .core-modules-grid { grid-template-columns: repeat(2, 1fr); }
  .wb-steps { grid-template-columns: repeat(3, 1fr); }
  .feature-block.reverse { direction: ltr; }
  .journey { grid-template-columns: repeat(3, 1fr); }

  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: 8px 16px 16px;
    z-index: 99;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a {
    padding: 12px 8px;
    border-bottom: 1px solid var(--line);
  }
  .nav-links a:last-child { border-bottom: 0; }
  .site-nav { position: sticky; }

  .container { width: min(var(--max), calc(100% - 32px)); }
  section { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }
  .wb-panel { padding: 22px 18px; }
  .wb-panel-hero { flex-direction: column; gap: 14px; }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 24px;
  }

  .hero-grid {
    gap: 20px;
    padding-bottom: 32px;
  }

  .hero h1 {
    font-size: clamp(26px, 7vw, 34px);
    margin-bottom: 14px;
    line-height: 1.25;
  }

  .hero-h1-secondary {
    white-space: normal;
  }
  .hero-h1-secondary .accent {
    white-space: nowrap;
  }

  .hero-lead {
    font-size: 14px;
    line-height: 1.65;
    margin-bottom: 14px;
  }

  .hero-quote {
    display: none;
  }

  /* 五步横排紧凑芯片，省纵向空间 */
  .hero-steps {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 16px;
    overflow: visible;
  }

  .cap-strip {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 0 22px;
  }
  .cap-strip-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    padding: 12px 14px;
  }
  .cap-strip-item strong { margin-bottom: 0; }

  .pillar h3 { font-size: 22px; }
  .core-five-grid,
  .core-modules-grid { grid-template-columns: 1fr; }
  .wb-steps { grid-template-columns: repeat(2, 1fr); }
  .mall-ctas .btn,
  .wb-ctas .btn { width: 100%; }

  .hero-step {
    min-width: 0;
    padding: 8px 6px;
    border-radius: 12px;
    text-align: center;
    align-items: center;
  }

  .hero-step .step-num {
    font-size: 10px;
    margin-bottom: 2px;
  }

  .hero-step .step-label {
    font-size: 12px;
    line-height: 1.2;
  }

  .hero-step .step-sub {
    display: none;
  }

  .hero-step-arrow {
    display: none;
  }

  .hero-visual {
    max-width: 100%;
    gap: 10px;
    padding-bottom: 0;
  }

  .hero-mark-wrap {
    width: min(148px, 40vw);
    margin-bottom: 0;
  }

  .hero-mark-reflect {
    display: none;
  }

  .hero-gei-card,
  .hero-xfi-card,
  .hero-todo-card {
    padding: 14px 14px;
    border-radius: 18px;
  }

  .hero-gei-title,
  .hero-xfi-title {
    font-size: 11px;
    margin-bottom: 8px;
  }

  .hero-gei-score,
  .hero-xfi-score {
    gap: 8px;
    margin-bottom: 8px;
  }

  .hero-gei-num,
  .hero-xfi-num {
    font-size: 40px;
  }

  .hero-gei-delta,
  .hero-xfi-delta {
    font-size: 12px;
    margin-bottom: 6px;
  }

  .hero-gei-level,
  .hero-xfi-level {
    font-size: 11px;
    padding: 3px 10px;
    margin-bottom: 10px;
  }

  .hero-gei-progress,
  .hero-xfi-progress {
    height: 6px;
    margin-bottom: 10px;
  }

  .hero-gei-models,
  .hero-xfi-models {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px;
    padding-top: 10px;
  }

  .hero-gei-model .label,
  .hero-xfi-model .label {
    font-size: 10px;
  }

  .hero-gei-model .val,
  .hero-xfi-model .val {
    font-size: 13px;
  }

  .hero-todo-title {
    font-size: 11px;
    margin-bottom: 8px;
  }

  .hero-todo-item {
    gap: 8px;
    margin-bottom: 8px;
    font-size: 11px;
    line-height: 1.45;
  }

  .hero-todo-badge {
    font-size: 9px;
    padding: 2px 6px;
  }

  .nav-inner {
    padding: 10px 0;
    gap: 10px;
  }

  .brand {
    gap: 10px;
    min-width: 0;
  }

  .brand-icon {
    width: 32px;
    height: 32px;
  }

  .brand-text strong {
    font-size: 16px;
  }

  .brand-text span {
    display: none;
  }

  .nav-actions {
    margin-left: auto;
    flex-shrink: 0;
  }

  .nav-actions .btn {
    padding: 9px 14px;
    font-size: 13px;
    min-height: 38px;
  }

  .trust-row {
    gap: 14px 18px;
    padding: 22px 0 26px;
  }

  .trust-row span {
    font-size: 13px;
  }

  .section-head h2 {
    font-size: clamp(24px, 6.8vw, 34px);
    white-space: normal;
  }

  .feature-block {
    gap: 28px;
    margin-bottom: 48px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--max), calc(100% - 24px));
  }

  .cards-3 { grid-template-columns: 1fr; }
  .cards-4 { grid-template-columns: 1fr; }
  .journey { grid-template-columns: 1fr 1fr; }
  .cases { grid-template-columns: 1fr 1fr; }

  .hero-ctas {
    flex-direction: column;
    gap: 8px;
    margin-top: 4px;
  }

  .hero-ctas .btn {
    width: 100%;
    min-height: 44px;
  }

  .footer-cta {
    padding: 40px 18px;
  }

  section {
    padding: 44px 0;
  }

  .hero-eyebrow {
    margin-bottom: 12px;
    font-size: 11px;
    padding: 5px 12px 5px 10px;
  }

  .trust-row {
    gap: 12px 14px;
    padding: 18px 0 22px;
  }
}

@media (max-width: 400px) {
  .cases,
  .journey {
    grid-template-columns: 1fr;
  }

  .nav-actions .btn-ghost {
    display: none;
  }

  .hero-steps {
    gap: 5px;
  }

  .hero-step {
    padding: 7px 4px;
  }

  .hero-step .step-label {
    font-size: 11px;
  }

  .hero-mark-wrap {
    width: min(132px, 38vw);
  }

  .hero-gei-num {
    font-size: 36px;
  }
}

/* ═══════════════════════════════════════════════
   预约演示 · 联系方式弹窗（PC/桌面）
═══════════════════════════════════════════════ */
.demo-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.demo-modal[hidden] { display: none; }
.demo-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(14, 14, 18, 0.55);
  backdrop-filter: blur(4px);
  animation: demo-fade-in 0.2s ease;
}
.demo-modal-panel {
  position: relative;
  width: min(440px, 100%);
  background: var(--bg);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: 32px 32px 28px;
  animation: demo-pop-in 0.24s cubic-bezier(0.2, 0.9, 0.3, 1.2);
  max-height: 90vh;
  overflow-y: auto;
}
.demo-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-soft);
  border-radius: 50%;
  font-size: 20px;
  line-height: 1;
  color: var(--gray);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.demo-modal-close:hover { background: var(--pink-100); color: var(--flame-red); }
.demo-modal-eyebrow {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--flame-red);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.demo-modal-head h3 { font-size: 24px; margin-bottom: 8px; }
.demo-modal-head p { color: var(--gray); font-size: 14px; margin-bottom: 20px; }
.demo-modal-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.demo-contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-btn);
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.demo-contact-card:hover {
  text-decoration: none;
  border-color: var(--flame-red);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.08);
  transform: translateY(-1px);
}
.demo-contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--pink-100);
  color: var(--flame-red);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.demo-contact-body { display: flex; flex-direction: column; gap: 2px; }
.demo-contact-label { font-size: 12px; color: var(--gray); }
.demo-contact-value { font-size: 18px; font-weight: 700; color: var(--ink); }
.demo-contact-hint { font-size: 12px; color: var(--gray-muted); }
.demo-modal-note {
  margin-top: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--gray);
}
.demo-modal-note a { color: var(--flame-red); }

/* CSS 打乱重排：DOM 文本乱序，视觉按 order 重排为正确号码（防抓取） */
.demo-phone {
  display: inline-flex;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.demo-phone-digit {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

@keyframes demo-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes demo-pop-in {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media print {
  .site-nav { position: static; }
  section { break-inside: avoid; page-break-inside: avoid; }
}