/* ========== Stripe-inspired Design System ==========
   Reference: Stripe DESIGN.md (awesome-design-md collection)
   Adapted for: AI店商变现官网 (美业门店 · 私域卖货 · 转化型官网)
   Key adaptations: 中文字重 400/500, 暖色渐变, 保留品牌蓝紫
   ================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ========== 全局变量（Stripe token系统）========== */
:root {
  /* Brand & Accent — 品牌蓝紫主色 */
  --primary:           #4f6ef7;
  --primary-deep:      #3d5ae8;
  --primary-press:     #2b45d4;
  --primary-soft:      #6b85ff;
  --primary-subtle:    #c7d0fd;
  --brand-dark:        #1c1e54;

  /* Canvas & Surface — Stripe白色系 */
  --canvas:            #ffffff;
  --canvas-soft:       #f6f9fc;
  --canvas-cream:      #fdf6ee;
  --canvas-mesh:       #f5f0ff;

  /* Ink — 深海蓝文字（Stripe signature，非纯黑）*/
  --ink:               #0d1b3e;
  --ink-secondary:     #273760;
  --ink-muted:         #64748b;
  --ink-subtle:        #94a3b8;

  /* Hairline */
  --hairline:          #e2e8f0;
  --hairline-input:    #a8c3de;

  /* Semantic */
  --accent-2:          #7c5cfc;
  --accent-3:          #06b6a0;
  --ruby:              #ea2261;

  /* Radius — Stripe rounded scale */
  --r-xs:   4px;
  --r-sm:   6px;
  --r-md:   8px;
  --r-lg:   12px;
  --r-xl:   16px;
  --r-pill: 9999px;

  /* Spacing — 8px base */
  --sp-xxs: 2px;
  --sp-xs:  4px;
  --sp-sm:  8px;
  --sp-md:  12px;
  --sp-lg:  16px;
  --sp-xl:  24px;
  --sp-xxl: 32px;
  --sp-huge: 64px;

  /* Shadows */
  --shadow-1: 0 1px 3px rgba(13,27,62,0.08);
  --shadow-2: 0 8px 24px rgba(13,27,62,0.08), 0 2px 6px rgba(13,27,62,0.04);
  --shadow-3: 0 20px 60px rgba(13,27,62,0.10), 0 4px 16px rgba(13,27,62,0.06);
}

/* ========== Reset & Base ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--sp-xxl); }
.section { padding: 96px 0; position: relative; }

/* ========== 渐变文字 ========== */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-2) 60%, var(--accent-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== 导航（Stripe nav-bar-on-mesh）========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: var(--sp-lg) 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--hairline);
  transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: var(--shadow-2); }
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 var(--sp-xxl);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: var(--sp-sm); }
.logo-mark {
  width: 32px; height: 32px; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
}
.logo-text { font-size: 15px; font-weight: 600; color: var(--ink); letter-spacing: -0.2px; }
.nav-links { display: flex; list-style: none; gap: var(--sp-xxl); }
.nav-links a {
  text-decoration: none; color: var(--ink-muted);
  font-size: 14px; font-weight: 400; transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.nav-active { color: var(--ink); font-weight: 600; border-bottom: 2px solid var(--primary); padding-bottom: 2px; }

/* Nav CTA — Stripe pill button */
.nav-cta {
  display: flex; align-items: center; gap: var(--sp-sm);
  padding: var(--sp-sm) var(--sp-xl);
  background: var(--primary); border: none;
  border-radius: var(--r-pill);
  color: #fff; font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all 0.2s;
  font-family: inherit;
}
.nav-cta:hover { background: var(--primary-deep); box-shadow: 0 4px 12px rgba(79,110,247,0.3); }
.cta-dot { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.7); animation: pulse 2s infinite; }

/* ========== 按钮系统（Stripe pill buttons）========== */
.btn-glow {
  display: inline-flex; align-items: center; gap: var(--sp-sm);
  padding: var(--sp-sm) var(--sp-xxl);
  border: none; border-radius: var(--r-pill);
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  color: #fff; font-size: 15px; font-weight: 500;
  cursor: pointer; font-family: inherit;
  transition: all 0.2s; position: relative;
  letter-spacing: -0.1px;
}
.btn-glow:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79,110,247,0.35);
}
.btn-arrow { font-size: 16px; transition: transform 0.2s; }
.btn-glow:hover .btn-arrow { transform: translateX(3px); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: var(--sp-sm);
  padding: var(--sp-sm) var(--sp-xxl);
  border: 1px solid var(--hairline); border-radius: var(--r-pill);
  background: var(--canvas);
  color: var(--ink-secondary); font-size: 15px; font-weight: 400;
  cursor: pointer; font-family: inherit; transition: all 0.2s;
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

.btn-full { width: 100%; justify-content: center; }

.btn-outline-light {
  width: 100%; padding: var(--sp-sm) var(--sp-lg);
  border: 1px solid var(--hairline); border-radius: var(--r-pill);
  background: transparent; color: var(--ink-muted);
  font-size: 14px; font-weight: 400; cursor: pointer;
  font-family: inherit; transition: all 0.2s;
}
.btn-outline-light:hover { border-color: var(--primary); color: var(--primary); }

/* ========== Section 通用 ========== */
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block; padding: var(--sp-xs) var(--sp-md);
  background: rgba(79,110,247,0.06);
  border: 1px solid rgba(79,110,247,0.18);
  border-radius: var(--r-pill);
  font-size: 11px; font-weight: 500; color: var(--primary);
  letter-spacing: 0.4px; text-transform: uppercase;
  margin-bottom: var(--sp-xl);
}
.section-title {
  font-size: 38px; font-weight: 600; line-height: 1.2;
  margin-bottom: var(--sp-lg); color: var(--ink);
  letter-spacing: -0.8px;
}
.section-desc {
  font-size: 16px; color: var(--ink-muted);
  max-width: 600px; margin: 0 auto; line-height: 1.7;
}
.section-cta { text-align: center; margin-top: 48px; }

/* ========== 动画 ========== */
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
@keyframes orbFloat { 0%,100%{transform:translate(0,0)} 50%{transform:translate(20px,-20px)} }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@keyframes scrollDot { 0%{opacity:1;top:8px} 100%{opacity:0;top:22px} }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
@keyframes fabPulse { 0%{transform:scale(1);opacity:0.3} 50%{transform:scale(1.15);opacity:0} 100%{transform:scale(1);opacity:0} }
@keyframes modalIn { from{transform:scale(0.96);opacity:0} to{transform:scale(1);opacity:1} }
@keyframes meshFloat { 0%,100%{transform:scale(1) rotate(0deg)} 50%{transform:scale(1.05) rotate(2deg)} }

/* ========== Hero（Stripe gradient-mesh backdrop）========== */
.hero-section {
  height: auto; display: flex; align-items: center;
  position: relative; padding: 120px 0 80px; overflow: hidden;
  background: var(--canvas);
}

/* Stripe signature: pastel mesh in upper third */
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.mesh-backdrop {
  position: absolute; top: -20%; left: -10%; right: -10%;
  height: 75%;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(253,246,238,0.9) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 70% 20%, rgba(199,208,253,0.7) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 50% 60%, rgba(199,208,253,0.5) 0%, transparent 50%),
    radial-gradient(ellipse 40% 35% at 85% 50%, rgba(124,92,252,0.15) 0%, transparent 50%),
    radial-gradient(ellipse 30% 30% at 10% 70%, rgba(6,182,160,0.08) 0%, transparent 50%);
  animation: meshFloat 12s ease-in-out infinite;
}
.mesh-grain {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.18) 0 1px, transparent 1.5px),
    radial-gradient(circle at 70% 35%, rgba(79,110,247,0.08) 0 1px, transparent 1.5px),
    radial-gradient(circle at 45% 70%, rgba(15,23,42,0.05) 0 1px, transparent 1.5px);
  background-size: 18px 18px, 24px 24px, 20px 20px;
  opacity: 0.4; pointer-events: none;
}
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(79,110,247,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,110,247,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}

.hero-container {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 60px; align-items: center; position: relative; z-index: 1;
}

/* Hero eyebrow — Stripe pill-tag-soft */
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: var(--sp-sm);
  padding: var(--sp-xs) var(--sp-md);
  background: rgba(79,110,247,0.06);
  border: 1px solid rgba(79,110,247,0.18);
  border-radius: var(--r-pill);
  font-size: 12px; font-weight: 500; color: var(--primary);
  letter-spacing: 0.1px; margin-bottom: var(--sp-xxl);
}
.eyebrow-icon { font-size: 13px; }

/* Display headline — Stripe display-xxl style, adapted for Chinese */
.hero-title {
  font-size: 38px; font-weight: 600; line-height: 1.35;
  margin-bottom: var(--sp-xl); letter-spacing: -0.5px;
  color: var(--ink);
}
.hero-desc {
  font-size: 17px; color: var(--ink-muted); line-height: 1.75;
  margin-bottom: var(--sp-xxl);
}

/* Hero tags — pill chips */
.hero-tags { display: flex; flex-wrap: wrap; gap: var(--sp-sm); margin-bottom: 40px; }
.hero-tag {
  padding: var(--sp-xs) var(--sp-md);
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  font-size: 13px; color: var(--ink-muted); font-weight: 400;
}
.hero-actions { display: flex; gap: var(--sp-lg); flex-wrap: wrap; }

/* ========== Hero 视觉面板 ========== */
.hero-visual {
  position: relative; display: flex; justify-content: center;
  align-items: center; min-height: 560px;
}
.phone-mockup {
  position: relative; z-index: 2; width: 258px;
  background: var(--canvas);
  border-radius: 36px; padding: 6px;
  box-shadow: var(--shadow-3), 0 0 0 1px var(--hairline);
  transform: translateX(-20px);
}
.phone-notch {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 70px; height: 20px; background: var(--ink); border-radius: 10px; z-index: 5;
}
.phone-screen-content {
  width: 100%; border-radius: 30px; overflow: hidden;
  background: #f9f9f9; padding: 0; font-size: 10px;
}
.phone-screen-img {
  width: 100%; height: auto; display: block; border-radius: 30px;
  object-fit: cover;
}
.mock-header { text-align: center; font-size: 13px; font-weight: 600; color: #333; padding: 8px 0; }
.mock-search { margin: 4px 6px 8px; padding: 6px 10px; background: #f0f0f0; border-radius: 14px; font-size: 10px; color: #999; }
.mock-banner { height: 56px; margin: 0 6px 10px; border-radius: 10px; background: linear-gradient(135deg, #e8d5f5, #d5e8f5, #fce4ec); }
.mock-categories { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; padding: 0 4px; margin-bottom: 10px; }
.mock-cat { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 8px; color: #555; }
.mc-icon-item { font-size: 16px; }
.mock-sections { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 0 6px; margin-bottom: 10px; }
.mock-sec { padding: 10px 4px; border-radius: 10px; text-align: center; font-size: 9px; font-weight: 600; color: #fff; }
.sec-food { background: linear-gradient(135deg, #ff9a56, #ff6b35); }
.sec-home { background: linear-gradient(135deg, #56b4ff, #3598dc); }
.sec-health { background: linear-gradient(135deg, #a0d468, #6dbf4a); }
.mock-title-row { padding: 6px 8px; font-size: 11px; font-weight: 600; color: #333; }
.mock-title-row span { font-size: 9px; font-weight: 400; color: #999; margin-left: 4px; }
.mock-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 0 6px; margin-bottom: 10px; }
.mock-product { background: var(--canvas); border-radius: 8px; padding: 4px; box-shadow: var(--shadow-1); }
.mp-img { height: 48px; border-radius: 6px; margin-bottom: 4px; }
.mp-1 { background: linear-gradient(135deg, #ffe4b5, #ffc67d); }
.mp-2 { background: linear-gradient(135deg, #d4f0ff, #a8dcf5); }
.mp-3 { background: linear-gradient(135deg, #e8ffe8, #b5e8b5); }
.mp-name { font-size: 8px; color: #333; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mp-price { font-size: 10px; font-weight: 700; color: #e53e3e; }
.mock-tabbar { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; padding: 8px 0; border-top: 1px solid #eee; font-size: 9px; color: #999; margin-top: 6px; }
.tab-active { color: #e53e3e; font-weight: 600; }

/* Dashboard overlay — Stripe card-dashboard-mockup */
.overlay-dashboard {
  position: absolute; z-index: 4; top: 24px; right: -44px;
  width: 248px;
  background: var(--brand-dark);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-xl);
  padding: var(--sp-xl);
  color: #fff;
  box-shadow: var(--shadow-3);
}
.od-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--sp-md); }
.od-title { font-size: 12px; font-weight: 400; color: rgba(255,255,255,0.6); }
.od-live { font-size: 10px; color: #34d399; font-weight: 500; }
.od-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-sm); margin-bottom: var(--sp-md); }
.od-metric { display: flex; flex-direction: column; align-items: center; }
/* Stripe tabular-figure for numbers */
.od-val { font-size: 15px; font-weight: 600; color: #fff; font-feature-settings: "tnum"; letter-spacing: -0.3px; }
.od-label { font-size: 9px; color: rgba(255,255,255,0.5); margin-top: 2px; }
.od-chart { margin-bottom: var(--sp-sm); }
.od-svg { width: 100%; height: 44px; }
.od-footer { font-size: 10px; color: #34d399; }

.floating-card {
  position: absolute; display: flex; align-items: center; gap: var(--sp-sm);
  padding: var(--sp-md) var(--sp-lg);
  background: rgba(255,255,255,0.97);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  backdrop-filter: blur(8px); z-index: 5;
  box-shadow: var(--shadow-2);
}
.fc-1 { top: 180px; right: -60px; animation: float 4s ease-in-out infinite; }
.fc-2 { bottom: 160px; left: -60px; animation: float 5s ease-in-out infinite 1s; }
.fc-3 { bottom: 50px; right: -30px; animation: float 4.5s ease-in-out infinite 0.5s; }
.fc-icon { font-size: 18px; }
.fc-info { display: flex; flex-direction: column; }
.fc-title { font-size: 11px; color: var(--ink-subtle); }
.fc-value { font-size: 13px; font-weight: 600; color: var(--ink); font-feature-settings: "tnum"; }

.scroll-hint {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-sm);
  color: var(--ink-subtle); font-size: 12px;
}
.scroll-mouse { width: 24px; height: 38px; border: 2px solid rgba(79,110,247,0.25); border-radius: 12px; position: relative; }
.scroll-dot { width: 4px; height: 8px; background: var(--primary); border-radius: 2px; position: absolute; top: 8px; left: 50%; transform: translateX(-50%); animation: scrollDot 2s infinite; }

/* ========== 痛点（canvas-soft 背景）========== */
.pain-section { background: var(--canvas-soft); }
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-xl); }
.pain-card {
  position: relative; padding: var(--sp-xxl) var(--sp-xl);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  overflow: hidden; transition: all 0.3s;
  box-shadow: var(--shadow-1);
}
.pain-card:hover {
  border-color: rgba(79,110,247,0.25);
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}
.pain-glow { display: none; }
.pain-number {
  font-size: 36px; font-weight: 700; color: rgba(79,110,247,0.12);
  margin-bottom: var(--sp-lg);
  font-feature-settings: "tnum";
  font-style: italic;
}
.pain-card h3 { font-size: 18px; font-weight: 600; margin-bottom: var(--sp-sm); letter-spacing: -0.3px; }
.pain-card h3::before {
  content: ''; display: block; width: 28px; height: 3px;
  background: var(--primary); border-radius: 2px;
  margin-bottom: var(--sp-lg);
}
.pain-card p { font-size: 14px; color: var(--ink-muted); line-height: 1.65; }

/* ========== 社会证明带 ========== */
.social-proof-strip { padding: 56px 0; background: var(--canvas); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.sp-inner { text-align: center; }
.sp-header { margin-bottom: 36px; }
.sp-number {
  font-size: 56px; font-weight: 700; font-feature-settings: "tnum";
  background: linear-gradient(135deg, var(--primary), var(--accent-3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; letter-spacing: -2px;
}
.sp-text { font-size: 16px; color: var(--ink-muted); margin-left: var(--sp-sm); font-weight: 400; }
.sp-cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-xl); }
.sp-case {
  padding: var(--sp-xl);
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  text-align: left;
  transition: all 0.3s;
}
.sp-case:hover { border-color: rgba(79,110,247,0.25); transform: translateY(-2px); box-shadow: var(--shadow-2); }
.sp-case-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--sp-md); }
.sp-case-type { font-size: 14px; font-weight: 600; color: var(--ink); }
.sp-case-time { font-size: 11px; color: var(--ink-subtle); padding: 2px 8px; background: rgba(79,110,247,0.06); border-radius: var(--r-pill); }
.sp-case-data { display: flex; gap: var(--sp-xxl); }
.sp-metric { display: flex; flex-direction: column; }
.sp-val { font-size: 32px; font-weight: 700; color: var(--ink); font-feature-settings: "tnum"; letter-spacing: -0.8px; }
.sp-label { font-size: 11px; color: var(--ink-subtle); margin-top: 2px; }

/* ========== 合作模式条件引导 ========== */
.mc-condition {
  font-size: 13px; font-weight: 600; color: var(--primary);
  margin-bottom: var(--sp-md); padding: var(--sp-sm) 0;
  border-bottom: 1px dashed rgba(79,110,247,0.2);
}
.model-card.featured .mc-condition { color: rgba(255,255,255,0.85); border-bottom-color: rgba(255,255,255,0.2); }

/* ========== 测算（Stripe cream-band 风格）========== */
.calc-section { background: var(--canvas-cream); }
.calc-panel {
  display: grid; grid-template-columns: 1fr 1fr;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 24px; overflow: hidden;
  box-shadow: var(--shadow-2);
}
.calc-left {
  padding: 40px;
  border-right: 1px solid var(--hairline);
  background: var(--canvas-soft);
}
.calc-right {
  padding: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--canvas);
}
.calc-form-title {
  display: flex; align-items: center; gap: var(--sp-sm);
  font-size: 15px; font-weight: 600; margin-bottom: var(--sp-xxl);
  color: var(--ink); letter-spacing: -0.2px;
}
.form-icon { font-size: 16px; }
.form-item { margin-bottom: var(--sp-xl); }
.form-item label { display: block; font-size: 13px; color: var(--ink-muted); margin-bottom: var(--sp-sm); font-weight: 400; }
.form-item input,
.form-item select,
.select-wrap select {
  width: 100%; padding: var(--sp-md) var(--sp-lg);
  background: var(--canvas);
  border: 1px solid var(--hairline-input);
  border-radius: var(--r-sm);
  color: var(--ink); font-size: 14px; font-family: inherit;
  transition: all 0.2s;
  appearance: none; -webkit-appearance: none;
}
.form-item input:focus,
.form-item select:focus,
.select-wrap select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,110,247,0.1);
}
.form-item input::placeholder { color: var(--ink-subtle); }
.select-wrap { position: relative; }
.select-wrap::after {
  content: '▾'; position: absolute; right: var(--sp-lg); top: 50%;
  transform: translateY(-50%); color: var(--ink-muted); pointer-events: none; font-size: 12px;
}

/* ========== 测算结果卡 ========== */
.calc-placeholder { width: 100%; }

/* 预览报告卡（Stripe card-dashboard-mockup 风格）*/
.preview-report-card {
  width: 100%;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  padding: var(--sp-xxl);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-1);
}
.preview-report-header { display: flex; align-items: center; gap: var(--sp-md); margin-bottom: var(--sp-xxl); }
.preview-badge {
  padding: var(--sp-xs) var(--sp-md);
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  color: #fff; border-radius: var(--r-pill);
  font-size: 12px; font-weight: 600; opacity: 0.55;
}
.preview-label { font-size: 13px; color: var(--ink-muted); opacity: 0.7; }
.preview-report-body { margin-bottom: var(--sp-xl); }
.preview-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--sp-md) 0; border-bottom: 1px solid var(--hairline);
}
.preview-row:last-of-type { border-bottom: none; }
.pr-label { font-size: 13px; color: var(--ink-muted); }
.pr-value { font-size: 15px; font-weight: 600; color: var(--ink); font-feature-settings: "tnum"; }
.pr-value.blurred { filter: blur(5px); user-select: none; pointer-events: none; }
.preview-bars { display: flex; flex-direction: column; gap: var(--sp-sm); padding-top: var(--sp-lg); }
.preview-bar { height: 7px; border-radius: var(--r-pill); opacity: 0.4; filter: blur(2px); }
.preview-bar.bar-1 { width: 30%; background: linear-gradient(90deg, rgba(99,179,255,0.5), var(--primary)); }
.preview-bar.bar-2 { width: 55%; background: linear-gradient(90deg, var(--primary), var(--accent-2)); }
.preview-bar.bar-3 { width: 85%; background: linear-gradient(90deg, var(--accent-2), var(--accent-3)); }
.preview-unlock-hint {
  display: flex; align-items: center; justify-content: center; gap: var(--sp-sm);
  padding: var(--sp-md);
  margin-top: var(--sp-xl);
  background: rgba(79,110,247,0.04);
  border: 1px dashed rgba(79,110,247,0.2);
  border-radius: var(--r-md);
  font-size: 13px; color: var(--primary); font-weight: 500;
}
.unlock-icon { font-size: 14px; }

/* 测算结果（Stripe tabular-figure for all numbers）*/
.calc-result { width: 100%; }
.result-top { display: flex; align-items: center; gap: var(--sp-md); margin-bottom: var(--sp-xxl); }
.result-badge {
  padding: var(--sp-xs) var(--sp-md);
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  color: #fff; border-radius: var(--r-pill);
  font-size: 12px; font-weight: 600;
}
.result-label { font-size: 13px; color: var(--ink-muted); }
.result-main { margin-bottom: var(--sp-xl); }
.result-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--sp-md) 0; border-bottom: 1px solid var(--hairline);
}
.rr-label { font-size: 13px; color: var(--ink-muted); }
.rr-value { font-size: 16px; font-weight: 600; font-feature-settings: "tnum"; letter-spacing: -0.3px; }
.rr-value.accent { color: var(--primary); }
.highlight-row { border-bottom: none; }

/* 增长曲线图 */
.result-growth-curve { margin-bottom: var(--sp-xl); }
.curve-hint { font-size: 12px; color: var(--ink-subtle); margin-bottom: 12px; font-weight: 500; }
.curve-chart { position: relative; }
.growth-svg { width: 100%; height: auto; display: block; }
.curve-labels { display: flex; justify-content: space-between; padding: 10px 8px 0; }
.curve-label { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.curve-label.cl-1 { align-items: flex-start; }
.curve-label.cl-3 { align-items: flex-end; }
.cl-month { font-size: 11px; color: var(--ink-subtle); font-weight: 400; }
.cl-value { font-size: 15px; font-weight: 700; color: var(--ink-primary); font-feature-settings: "tnum"; }
.curve-label.cl-3 .cl-value { color: var(--accent-3); font-size: 17px; }
.disclaimer { font-size: 11px; color: var(--ink-subtle); margin-top: var(--sp-md); line-height: 1.5; }
.blurred-data { filter: blur(6px); user-select: none; pointer-events: none; }

/* 年分润打字动效 */
.result-cta-section { margin-top: var(--sp-xs); }
.annual-profit-highlight {
  text-align: center; padding: var(--sp-lg) var(--sp-xl);
  margin-bottom: var(--sp-md);
  background: linear-gradient(135deg, rgba(79,110,247,0.04), rgba(124,92,252,0.04));
  border: 1px solid rgba(79,110,247,0.12);
  border-radius: var(--r-lg);
}
.annual-label { display: block; font-size: 11px; color: var(--ink-subtle); margin-bottom: var(--sp-xs); font-weight: 500; letter-spacing: 0.3px; text-transform: uppercase; }
.annual-value {
  font-size: 26px; font-weight: 700; font-feature-settings: "tnum";
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.annual-cursor { display: inline-block; font-size: 26px; font-weight: 300; color: var(--primary); animation: blink 0.8s step-end infinite; margin-left: 1px; vertical-align: baseline; -webkit-text-fill-color: var(--primary); }
.annual-breakdown { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 8px; margin-bottom: var(--sp-md); font-size: 12px; color: var(--ink-subtle); }
.annual-breakdown strong { color: var(--ink-primary); font-weight: 600; }
.ab-divider { color: var(--primary); font-weight: 600; }
.result-guide-text { font-size: 12px; color: var(--primary); text-align: center; margin-bottom: var(--sp-md); font-weight: 500; }

/* ========== 解法（canvas 白色，4列能力卡）========== */
.solution-how-section { background: var(--canvas); }
.solution-how-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-xl); }
.sh-card {
  padding: var(--sp-xxl) var(--sp-xl);
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  text-align: center;
  transition: all 0.3s;
  box-shadow: var(--shadow-1);
}
.sh-card:hover {
  border-color: rgba(79,110,247,0.25);
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}
.sh-icon-wrap {
  width: 52px; height: 52px; margin: 0 auto var(--sp-lg);
  border-radius: var(--r-lg);
  background: rgba(79,110,247,0.08);
  border: 1px solid rgba(79,110,247,0.15);
  display: flex; align-items: center; justify-content: center;
}
.sh-icon { font-size: 22px; }
.sh-card h3 { font-size: 16px; font-weight: 600; margin-bottom: var(--sp-sm); letter-spacing: -0.2px; color: var(--ink); }
.sh-card p { font-size: 13px; color: var(--ink-muted); line-height: 1.65; margin-bottom: var(--sp-lg); }
.sh-tags { display: flex; flex-wrap: wrap; gap: var(--sp-xs); justify-content: center; }
.sh-tags span {
  padding: 3px var(--sp-sm);
  background: rgba(79,110,247,0.06);
  border: 1px solid rgba(79,110,247,0.15);
  border-radius: var(--r-pill);
  font-size: 11px; color: var(--primary); font-weight: 500;
}

/* ========== 解法（改为浅色背景）========== */
.solution-section { background: var(--canvas-soft); color: var(--ink); }
.solution-section .section-title { color: var(--ink); letter-spacing: -0.8px; }
.solution-section .section-desc { color: var(--ink-muted); white-space: nowrap; }
.solution-section .section-tag { background: rgba(79,110,247,0.06); border-color: rgba(79,110,247,0.18); color: var(--primary); }
.solution-section .btn-glow { color: #fff; }

.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-xl); }
.sol-card {
  padding: var(--sp-xxl) var(--sp-xl);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--r-xl);
  transition: all 0.3s; text-align: center;
}
.sol-card:hover {
  border-color: rgba(79,110,247,0.4);
  transform: translateY(-3px);
  background: rgba(255,255,255,0.07);
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}
.sol-icon-wrap {
  width: 52px; height: 52px; margin: 0 auto var(--sp-lg);
  border-radius: var(--r-lg);
  background: rgba(79,110,247,0.18);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
}
.sol-icon { font-size: 22px; }
.sol-card h3 { font-size: 16px; font-weight: 600; margin-bottom: var(--sp-sm); color: #fff; letter-spacing: -0.2px; }
.sol-card p { font-size: 13px; color: rgba(255,255,255,0.55); line-height: 1.65; margin-bottom: var(--sp-lg); }
.sol-tags { display: flex; flex-wrap: wrap; gap: var(--sp-xs); justify-content: center; }
.sol-tags span {
  padding: 3px var(--sp-sm);
  background: rgba(79,110,247,0.18);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-pill);
  font-size: 11px; color: rgba(255,255,255,0.65);
}

/* ========== 合作模式（canvas 白色，Stripe card-pricing 风格）========== */
.models-section { background: var(--canvas); }
.models-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-xl); margin-bottom: var(--sp-xl); }
.model-card {
  padding: 36px var(--sp-xxl);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  position: relative; transition: all 0.3s;
  box-shadow: var(--shadow-1);
}
.model-card:hover { border-color: rgba(79,110,247,0.25); transform: translateY(-3px); box-shadow: var(--shadow-2); }
/* Stripe featured pricing tier: deep navy */
.model-card.featured {
  background: var(--brand-dark);
  border-color: var(--primary);
  color: #fff;
}
.model-card.featured:hover { box-shadow: 0 16px 48px rgba(79,110,247,0.2); }
.mc-badge {
  position: absolute; top: -11px; left: var(--sp-xl);
  padding: 3px var(--sp-md);
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  font-size: 11px; color: var(--ink-muted); font-weight: 500;
}
.model-card.featured .mc-badge {
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  border-color: transparent; color: #fff;
}
.mc-icon { font-size: 28px; margin-bottom: var(--sp-lg); }
.model-card h3 { font-size: 17px; font-weight: 600; margin-bottom: var(--sp-sm); line-height: 1.35; letter-spacing: -0.3px; }
.model-card.featured h3 { color: #fff; }
.mc-fit { font-size: 13px; color: var(--ink-muted); margin-bottom: var(--sp-xl); line-height: 1.6; }
.model-card.featured .mc-fit { color: rgba(255,255,255,0.55); }
.mc-list { list-style: none; margin-bottom: var(--sp-xl); }
.mc-list li {
  padding: var(--sp-sm) 0; font-size: 13px;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--hairline);
  padding-left: var(--sp-lg); position: relative;
}
.model-card.featured .mc-list li { color: rgba(255,255,255,0.65); border-bottom-color: rgba(255,255,255,0.1); }
.mc-list li::before { content: '→'; position: absolute; left: 0; color: var(--primary); font-size: 12px; }
.models-note {
  text-align: center; font-size: 13px; color: var(--ink-muted);
  padding: var(--sp-lg) var(--sp-xxl);
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
}
.models-inline { margin-top: 0; }
.models-inline .model-card { background: var(--canvas); border-color: var(--hairline); }
.models-inline .model-card:hover { border-color: rgba(79,110,247,0.25); background: var(--canvas); }
.models-inline .model-card h3 { color: var(--ink); }
.models-inline .mc-fit { color: var(--ink-muted); }
.models-inline .mc-list li { color: var(--ink-muted); border-bottom-color: var(--hairline); }
.models-inline .mc-badge { background: var(--canvas-soft); border-color: var(--hairline); color: var(--ink-muted); }
.models-inline .model-card.featured { background: var(--brand-dark); border-color: var(--primary); color: #fff; }
.models-inline .model-card.featured h3 { color: #fff; }
.models-inline .model-card.featured .mc-fit { color: rgba(255,255,255,0.6); }
.models-inline .model-card.featured .mc-list li { color: rgba(255,255,255,0.65); border-bottom-color: rgba(255,255,255,0.1); }
.models-inline .model-card.featured .mc-badge { background: linear-gradient(135deg, var(--primary), var(--accent-2)); border-color: transparent; color: #fff; }
.mc-keywords { font-size: 12px; color: var(--ink-subtle); margin-bottom: var(--sp-xl); font-weight: 500; }
.models-inline .model-card.featured .mc-keywords { color: rgba(255,255,255,0.6); }
.solution-section .models-note { background: var(--canvas); border-color: var(--hairline); color: var(--ink-muted); }

/* ========== 背书（大厦图片背景）========== */
.trust-section { background: var(--canvas-soft); position: relative; overflow: hidden; }

/* 大厦图片：锚定在右侧，整栋清晰可见 */
.trust-building-img {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: auto;
  height: 100%;
  opacity: 0.45;
  z-index: 0;
  pointer-events: none;
  filter: saturate(0.35) contrast(0.9) brightness(1.1);
}

/* 右侧渐变遮罩，让大厦左边和内容自然融合 */
.trust-bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right,
    var(--canvas-soft) 0%,
    var(--canvas-soft) 35%,
    rgba(246,249,252,0.85) 55%,
    rgba(246,249,252,0.3) 80%,
    rgba(246,249,252,0.1) 100%);
  z-index: 1;
}
.trust-section .container { position: relative; z-index: 2; }
.trust-desc { color: var(--ink-muted); font-size: 15px; font-weight: 400; margin-top: var(--sp-sm); }

/* 数据卡 — Stripe tabular figures */
.trust-numbers { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-xl); margin-bottom: 56px; }
.tn-item {
  text-align: center; padding: var(--sp-xxl) var(--sp-lg);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  transition: all 0.3s;
  box-shadow: var(--shadow-1);
}
.tn-item:hover { border-color: rgba(79,110,247,0.25); transform: translateY(-2px); box-shadow: var(--shadow-2); }
.tn-value { font-size: 13px; color: var(--ink-muted); margin-bottom: var(--sp-sm); }
.tn-num {
  font-size: 48px; font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent-3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  font-feature-settings: "tnum"; letter-spacing: -1.5px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.tn-num.counted { transform: scale(1.05); }
.tn-label { font-size: 12px; color: var(--ink-subtle); margin-top: var(--sp-xs); }

/* 双货盘 */
.trust-dual { display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--sp-xl); align-items: center; }
.td-card {
  position: relative;
  overflow: hidden;
  padding: var(--sp-xxl);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-1);
}
.td-card.premium { border-color: rgba(79,110,247,0.25); box-shadow: var(--shadow-2); }
.td-header { display: flex; align-items: center; gap: var(--sp-sm); margin-bottom: var(--sp-md); }
.td-emoji { font-size: 22px; }
.td-header h4 { font-size: 17px; font-weight: 600; letter-spacing: -0.3px; }
.td-role { font-size: 13px; color: var(--primary); margin-bottom: var(--sp-xl); font-weight: 500; }

/* 双货盘卡片 — 左文右图布局 */
.td-card { position: relative; overflow: hidden; }
.td-card-body {
  display: flex;
  align-items: stretch;
  gap: 0;
  min-height: 160px;
}
.td-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-right: var(--sp-lg);
  z-index: 1;
}
.td-photo {
  flex: 0 0 42%;
  position: relative;
  margin: calc(-1 * var(--sp-xxl));
  margin-left: 0;
  border-radius: 0 var(--r-xl) var(--r-xl) 0;
  overflow: hidden;
}
.td-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  transition: transform 0.4s ease;
}
.td-card:hover .td-photo img {
  transform: scale(1.04);
}

.td-stats { display: flex; gap: var(--sp-xl); }
.td-stat { display: flex; flex-direction: column; }
.tds-val { font-size: 20px; font-weight: 700; font-feature-settings: "tnum"; letter-spacing: -0.5px; }
.tds-label { font-size: 11px; color: var(--ink-subtle); margin-top: 2px; }
.td-arrow { display: flex; flex-direction: column; align-items: center; gap: var(--sp-sm); }
.arrow-pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); animation: pulse 2s infinite; }
.td-arrow span { font-size: 11px; color: var(--ink-subtle); text-align: center; line-height: 1.5; }

/* ========== 6B 供应链货源背书 ========== */
.supply-divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 56px 0 52px;
}
.supply-section { }
.supply-clean-bg {
  position: relative;
  background: var(--canvas-soft);
  z-index: 3;
  padding-bottom: 8px;
}
/* 供应链独立 section */
.supply-standalone-section {
  background: var(--canvas-soft);
  padding-top: 64px;
  padding-bottom: 80px;
}

.supply-header { text-align: center; margin-bottom: 40px; }
.supply-title {
  font-size: 22px; font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--ink);
  margin: 8px 0 10px;
}
.supply-desc {
  font-size: 14px; color: var(--ink-muted);
  max-width: 480px; margin: 0 auto;
  line-height: 1.6;
}

/* 四项核心数据 */
.supply-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
  margin-bottom: 40px;
}
.supply-metric {
  text-align: center;
  padding: var(--sp-xl) var(--sp-lg);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-1);
  transition: all 0.3s;
}
.supply-metric:hover {
  border-color: rgba(79,110,247,0.25);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}
.supply-metric-num {
  font-size: 32px; font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent-3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  font-feature-settings: "tnum"; letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 8px;
}
.supply-metric-num span { font-size: 18px; font-weight: 600; }
.supply-metric-label {
  font-size: 12px; color: var(--ink-subtle);
}

/* 品牌 Logo 双行无限滚动轮播 */
.supply-marquee-wrap {
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
}
/* 左右渐变遮罩 */
.marquee-fade {
  position: absolute; top: 0; bottom: 0;
  width: 120px; z-index: 2; pointer-events: none;
}
.marquee-fade-left  { left: 0;  background: linear-gradient(to right, var(--canvas-soft) 0%, transparent 100%); }
.marquee-fade-right { right: 0; background: linear-gradient(to left,  var(--canvas-soft) 0%, transparent 100%); }

.marquee-track {
  overflow: hidden;
  margin-bottom: 12px;
}
.marquee-track:last-child { margin-bottom: 0; }

.marquee-inner {
  display: flex;
  gap: 12px;
  width: max-content;
}

/* 第一行向左，第二行向右（速度略慢形成视差） */
.marquee-ltr { animation: marquee-left  28s linear infinite; }
.marquee-rtl { animation: marquee-right 34s linear infinite; }

.supply-marquee-wrap:hover .marquee-ltr,
.supply-marquee-wrap:hover .marquee-rtl { animation-play-state: paused; }

@keyframes marquee-left {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes marquee-right {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.supply-logo-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 16px 12px 14px;
  text-align: center;
  transition: all 0.25s;
  flex: 0 0 148px;
  width: 148px;
}
.supply-logo-card:hover {
  border-color: rgba(79,110,247,0.25);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}
.supply-logo-img {
  width: 56px; height: 56px;
  margin: 0 auto 10px;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--canvas-soft);
  display: flex; align-items: center; justify-content: center;
}
.supply-logo-img img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}
.supply-logo-fallback {
  display: none;
  width: 100%; height: 100%;
  align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent-3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.supply-logo-name {
  font-size: 13px; font-weight: 600;
  color: var(--ink); margin-bottom: 4px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.supply-logo-desc {
  font-size: 11px; color: var(--ink-subtle);
  line-height: 1.4;
}

/* 底部注释 */
.supply-note {
  text-align: center;
  font-size: 13px; color: var(--ink-muted);
  margin-bottom: 28px;
}
.supply-note strong { color: var(--primary); }

/* 品类标签云 */
.supply-categories { }
.supply-cat-label {
  font-size: 12px; color: var(--ink-subtle);
  letter-spacing: 0.5px;
  text-align: center;
  margin-bottom: 14px;
}
.supply-cat-tags {
  display: flex; flex-wrap: wrap;
  gap: 8px; justify-content: center;
}
.supply-cat-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  font-size: 12px; color: var(--ink-muted);
  transition: all 0.2s;
}
.supply-cat-tag:hover {
  border-color: rgba(79,110,247,0.25);
  color: var(--ink);
  background: rgba(79,110,247,0.04);
}
.cat-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  font-style: normal;
  display: inline-block;
}

/* 响应式 */
@media (max-width: 900px) {
  .supply-metrics { grid-template-columns: repeat(2, 1fr); }
  .marquee-fade { width: 60px; }
}
@media (max-width: 600px) {
  .supply-metrics { grid-template-columns: repeat(2, 1fr); }
  .supply-logo-card { flex: 0 0 128px; width: 128px; }
  .marquee-fade { width: 40px; }
}

/* 模式二：销售团队背书条 */
.team-strip {
  background: #ffffff;
  border: 1px solid rgba(79,110,247,0.25);
  border-radius: var(--r-lg);
  padding: 12px 14px;
  margin-bottom: var(--sp-lg);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.team-strip-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.team-strip-data {
  font-size: 12px; font-weight: 600;
  color: var(--primary);
  margin-bottom: 3px;
}
.team-strip-promise {
  font-size: 11px; color: var(--ink-muted);
  line-height: 1.5;
}

/* ========== 保障（canvas-cream 暖色屏）========== */
.guarantee-section { background: var(--canvas-cream); }
.guarantee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-xl); margin-bottom: 48px; }
.guarantee-card {
  padding: var(--sp-xxl) var(--sp-xl);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  text-align: center;
  transition: all 0.3s;
  box-shadow: var(--shadow-1);
}
.guarantee-card:hover { border-color: rgba(79,110,247,0.25); transform: translateY(-3px); box-shadow: var(--shadow-2); }
.gc-icon { font-size: 28px; display: block; margin-bottom: var(--sp-lg); }
.guarantee-card h3 { font-size: 15px; font-weight: 600; margin-bottom: var(--sp-sm); letter-spacing: -0.2px; color: var(--ink); }
.guarantee-card p { font-size: 13px; color: var(--ink-muted); line-height: 1.6; margin: 0; }
.guarantee-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.gl-item { display: flex; align-items: flex-start; gap: 12px; }
.gl-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.gl-item strong { font-size: 14px; font-weight: 600; color: var(--ink-primary); display: block; margin-bottom: 2px; }
.gl-item p { font-size: 13px; color: var(--ink-muted); line-height: 1.5; margin: 0; }
.final-trust-note { padding: 16px 20px; background: rgba(79,110,247,0.04); border: 1px solid rgba(79,110,247,0.12); border-radius: var(--r-lg); }
.final-trust-note p { font-size: 13px; color: var(--primary); font-weight: 500; margin: 0; line-height: 1.6; }
.g-card {
  padding: var(--sp-xxl) var(--sp-xl);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  text-align: center; transition: all 0.3s;
  box-shadow: var(--shadow-1);
}
.g-card:hover { border-color: rgba(79,110,247,0.25); transform: translateY(-3px); box-shadow: var(--shadow-2); }
.g-icon { font-size: 28px; margin-bottom: var(--sp-md); }
.g-card h4 { font-size: 15px; font-weight: 600; margin-bottom: var(--sp-sm); letter-spacing: -0.2px; }
.g-card p { font-size: 13px; color: var(--ink-muted); line-height: 1.6; }

/* 品控流水线 */
.qc-pipeline {
  display: flex; align-items: center; justify-content: center;
  padding: var(--sp-xxl); gap: 0;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-1);
}
.qc-step { display: flex; align-items: center; gap: var(--sp-sm); padding: var(--sp-md) var(--sp-xl); }
.qc-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.qc-text { font-size: 13px; font-weight: 400; color: var(--ink); white-space: nowrap; }
.qc-connector { width: 40px; height: 2px; background: linear-gradient(90deg, var(--primary), var(--accent-2)); border-radius: 1px; opacity: 0.3; }

/* ========== 最终留资（Stripe gradient mesh + canvas-soft）========== */
.final-section {
  padding: 96px 0; position: relative; overflow: hidden;
  background: var(--canvas);
}
.final-bg { position: absolute; inset: 0; pointer-events: none; }
.orb-4 {
  width: 600px; height: 600px;
  background: radial-gradient(ellipse at center, rgba(199,208,253,0.4) 0%, transparent 70%);
  top: -100px; right: -100px; position: absolute; border-radius: 50%;
}
.orb-5 {
  width: 500px; height: 500px;
  background: radial-gradient(ellipse at center, rgba(253,246,238,0.6) 0%, transparent 70%);
  bottom: -100px; left: -100px; position: absolute; border-radius: 50%;
}
.final-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; position: relative; z-index: 1; }
.final-lead-text { font-size: 15px; color: var(--ink-muted); line-height: 1.75; margin-bottom: var(--sp-xxl); }
.final-preview-card {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  padding: var(--sp-xl);
  box-shadow: var(--shadow-1);
}
.fpc-header { display: flex; align-items: center; gap: var(--sp-md); margin-bottom: var(--sp-xl); }
.fpc-badge {
  padding: var(--sp-xs) var(--sp-md);
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  color: #fff; border-radius: var(--r-pill);
  font-size: 11px; font-weight: 600;
}
.fpc-label { font-size: 13px; color: var(--ink-muted); }
.fpc-body { margin-bottom: var(--sp-lg); }
.fpc-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--sp-sm) 0; border-bottom: 1px solid var(--hairline);
  font-size: 13px; color: var(--ink-muted);
}
.fpc-row:last-child { border-bottom: none; }
.fpc-val { font-weight: 600; color: var(--ink); font-feature-settings: "tnum"; }
.fpc-val.blurred { filter: blur(5px); user-select: none; }
.fpc-hint {
  text-align: center; font-size: 12px; color: var(--primary); font-weight: 500;
  padding: var(--sp-md);
  background: rgba(79,110,247,0.04);
  border: 1px dashed rgba(79,110,247,0.2);
  border-radius: var(--r-md);
}
.final-title { font-size: 34px; font-weight: 600; line-height: 1.25; margin-bottom: var(--sp-lg); letter-spacing: -0.8px; }
.final-desc { font-size: 15px; color: var(--ink-muted); margin-bottom: var(--sp-xxl); line-height: 1.7; }

/* Stripe card-dashboard-mockup for report preview */
.final-report-preview {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  padding: var(--sp-xl);
  box-shadow: var(--shadow-1);
}
.frp-row {
  display: flex; justify-content: space-between;
  padding: var(--sp-sm) 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 13px; color: var(--ink-muted);
}
.frp-row:last-child { border-bottom: none; }
.frp-val { color: var(--primary); font-weight: 500; font-feature-settings: "tnum"; }

/* Stripe card-pricing-featured for form */
.final-form-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  padding: 36px;
  box-shadow: var(--shadow-2);
}
.final-form-card h3 { font-size: 18px; font-weight: 600; margin-bottom: var(--sp-xl); text-align: center; color: var(--ink); letter-spacing: -0.3px; }
.final-form input,
.final-form select {
  width: 100%; padding: var(--sp-md) var(--sp-lg);
  background: var(--canvas-soft);
  border: 1px solid var(--hairline-input);
  border-radius: var(--r-sm);
  color: var(--ink); font-size: 14px; font-family: inherit;
  margin-bottom: var(--sp-md); transition: all 0.2s;
}
.final-form input:focus,
.final-form select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,110,247,0.1); }
.final-form input::placeholder { color: var(--ink-subtle); }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-md); }
.form-note { font-size: 11px; color: var(--ink-subtle); text-align: center; margin-top: var(--sp-md); }

/* ========== Footer ========== */
.footer {
  padding: 60px 0 28px;
  border-top: 1px solid var(--hairline);
  background: var(--ink);
  color: rgba(255,255,255,0.55);
}
.footer-top { display: flex; align-items: center; gap: var(--sp-lg); margin-bottom: 40px; }
.footer-brand .logo-text { color: #fff; }
.footer-slogan { font-size: 13px; color: rgba(255,255,255,0.35); }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-col h4 { font-size: 12px; color: rgba(255,255,255,0.7); margin-bottom: var(--sp-lg); font-weight: 600; letter-spacing: 0.3px; text-transform: uppercase; }
.footer-col a { display: block; font-size: 13px; color: rgba(255,255,255,0.4); text-decoration: none; padding: 4px 0; transition: color 0.2s; }
.footer-col a:hover { color: rgba(255,255,255,0.85); }
.footer-bottom { padding-top: var(--sp-xl); border-top: 1px solid rgba(255,255,255,0.07); font-size: 12px; color: rgba(255,255,255,0.25); text-align: center; }

/* ========== 弹窗 ========== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(13,27,62,0.5);
  backdrop-filter: blur(8px);
  z-index: 10000; display: none;
  align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  padding: 48px; max-width: 440px; width: 90%;
  position: relative; animation: modalIn 0.25s ease;
  box-shadow: var(--shadow-3);
}
.modal-close { position: absolute; top: var(--sp-lg); right: var(--sp-xl); background: none; border: none; color: var(--ink-subtle); font-size: 18px; cursor: pointer; transition: color 0.2s; }
.modal-close:hover { color: var(--ink); }
.modal-box h3 { font-size: 20px; font-weight: 600; margin-bottom: var(--sp-sm); color: var(--ink); letter-spacing: -0.3px; }
.modal-desc { font-size: 14px; color: var(--ink-muted); margin-bottom: var(--sp-xl); }
.modal-form input,
.modal-form select {
  width: 100%; padding: var(--sp-md) var(--sp-lg);
  background: var(--canvas-soft);
  border: 1px solid var(--hairline-input);
  border-radius: var(--r-sm);
  color: var(--ink); font-size: 14px; font-family: inherit;
  margin-bottom: var(--sp-md); transition: all 0.2s;
}
.modal-form input:focus,
.modal-form select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,110,247,0.1); }
.modal-form input::placeholder { color: var(--ink-subtle); }

/* ========== Toast ========== */
.toast {
  position: fixed; top: 80px; left: 50%;
  transform: translateX(-50%) translateY(-16px);
  background: var(--canvas);
  border: 1px solid rgba(79,110,247,0.25);
  border-radius: var(--r-lg);
  padding: var(--sp-lg) var(--sp-xl);
  display: flex; align-items: center; gap: var(--sp-md);
  z-index: 20000; opacity: 0; pointer-events: none;
  transition: all 0.35s; box-shadow: var(--shadow-2);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-icon { font-size: 18px; }
.toast-body strong { display: block; font-size: 14px; margin-bottom: 2px; color: var(--ink); font-weight: 600; }
.toast-body p { font-size: 12px; color: var(--ink-muted); margin: 0; }

/* ========== FAB ========== */
.fab {
  position: fixed; bottom: var(--sp-xxl); right: var(--sp-xxl); z-index: 999;
  display: flex; align-items: center; gap: var(--sp-sm);
  padding: var(--sp-md) var(--sp-xl);
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  border-radius: var(--r-pill); cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 8px 28px rgba(79,110,247,0.35);
}
.fab:hover { transform: scale(1.04); box-shadow: 0 12px 36px rgba(79,110,247,0.45); }
.fab-pulse {
  position: absolute; inset: -4px; border-radius: var(--r-pill);
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  opacity: 0.25; animation: fabPulse 2.5s infinite; z-index: -1;
}
.fab-icon { font-size: 15px; }
.fab-text { font-size: 13px; font-weight: 500; color: #fff; }

/* ========== 滚动入场动画 ========== */
.visible { opacity: 1 !important; transform: translateY(0) !important; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-actions { justify-content: center; }
  .hero-tags { justify-content: center; }
  .hero-title { font-size: 38px; }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-panel { grid-template-columns: 1fr; }
  .calc-left { border-right: none; border-bottom: 1px solid var(--hairline); }
  .sp-cases { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-how-grid { grid-template-columns: repeat(2, 1fr); }
  .models-grid { grid-template-columns: 1fr; }
  .trust-numbers { grid-template-columns: repeat(2, 1fr); }
  .trust-dual { grid-template-columns: 1fr; }
  .td-arrow { flex-direction: row; padding: var(--sp-lg) 0; justify-content: center; }
  .td-card-body { min-height: 140px; }
  .td-photo { flex: 0 0 38%; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .final-wrapper { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .qc-pipeline { flex-wrap: wrap; gap: var(--sp-md); }
  .qc-connector { width: 24px; }
  .section-title { font-size: 30px; }
}
@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .container { padding: 0 var(--sp-xl); }
  .section-title { font-size: 26px; }
  .hero-title { font-size: 28px; letter-spacing: -0.5px; }
  .pain-grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .solution-how-grid { grid-template-columns: 1fr 1fr; }
  .trust-numbers { grid-template-columns: 1fr 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .btn-glow, .btn-ghost { padding: var(--sp-sm) var(--sp-xl); font-size: 14px; }
  .final-title { font-size: 26px; }
}


/* ========== 右侧悬浮工具栏 ========== */
.floating-toolbar {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}

.ft-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 8px;
  background: rgba(255,255,255,0.95);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.04);
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid rgba(226,232,240,0.6);
  min-width: 56px;
}
.ft-item:hover {
  transform: translateX(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  border-color: var(--primary-subtle);
}

.ft-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.ft-icon-chat { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.ft-icon-wechat { background: linear-gradient(135deg, #07c160, #2aae67); }
.ft-icon-phone { background: linear-gradient(135deg, #667eea, #764ba2); }
.ft-icon-demo { background: linear-gradient(135deg, #f093fb, #f5576c); }
.ft-icon-calc { background: linear-gradient(135deg, #4f6ef7, #7c5cfc); }

.ft-label {
  font-size: 10px;
  color: var(--ink-secondary);
  font-weight: 500;
  white-space: nowrap;
}

/* 专属顾问入口高亮 */
.ft-item-wechat {
  border: 1.5px solid rgba(7,193,96,0.3);
  background: rgba(255,255,255,0.98);
}
.ft-item-wechat:hover {
  border-color: #07c160;
  box-shadow: 0 8px 30px rgba(7,193,96,0.15);
}

/* ========== 专属顾问二维码弹窗 ========== */
.qr-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.25s ease;
}
.qr-modal-overlay.active {
  display: flex;
}

.qr-modal-card {
  position: relative;
  width: 380px;
  max-width: 90vw;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(160deg, #07c160 0%, #2aae67 40%, #06a855 100%);
  box-shadow: 0 24px 80px rgba(0,0,0,0.25);
  padding: 40px 32px 32px;
  text-align: center;
  animation: slideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.qr-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.qr-modal-close:hover {
  background: rgba(255,255,255,0.35);
}

.qr-modal-header h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.qr-modal-header p {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  margin: 0 0 24px;
}

.qr-code-area {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  margin: 0 auto 20px;
  max-width: 260px;
}

.qr-code-placeholder {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-avatar {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  background: linear-gradient(135deg, #07c160, #2aae67);
  z-index: 2;
}
.qr-avatar img,
.qr-avatar svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.qr-code-img {
  width: 100%;
  display: flex;
  justify-content: center;
}
.qr-code-img img,
.qr-code-img svg {
  width: 100%;
  max-width: 220px;
  height: auto;
  display: block;
  border-radius: 12px;
}
.qr-real-img {
  width: 100%;
  max-width: 220px;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.qr-fallback {
  padding: 60px 20px;
  color: var(--ink-muted);
  font-size: 13px;
  text-align: center;
  border: 2px dashed var(--hairline);
  border-radius: 8px;
}

.qr-modal-footer {
  margin-bottom: 12px;
}

.qr-scan-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  background: rgba(255,255,255,0.2);
  border: 1.5px solid rgba(255,255,255,0.5);
  border-radius: 999px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: default;
  transition: background 0.2s;
}
.qr-scan-btn:hover {
  background: rgba(255,255,255,0.3);
}

.qr-note {
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  margin: 0;
}

/* 动画 */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 移动端适配 */
@media (max-width: 768px) {
  .floating-toolbar {
    right: 10px;
    gap: 4px;
  }
  .ft-item {
    padding: 8px 6px;
    min-width: 48px;
  }
  .ft-icon {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }
  .ft-label {
    font-size: 9px;
  }
  .qr-modal-card {
    padding: 32px 24px 24px;
    border-radius: 20px;
  }
  .qr-modal-header h3 {
    font-size: 20px;
  }
  .fab {
    bottom: 16px;
    right: 16px;
  }
}

/* ========== 手机端完整适配 ========== */

/* ── 汉堡菜单按钮 ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none; border: none; cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 手机端导航遮罩 */
.nav-mobile-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 899;
  backdrop-filter: blur(2px);
}
.nav-mobile-overlay.active { display: block; }

@media (max-width: 768px) {

  /* ── 导航栏 ── */
  .nav-hamburger { display: flex; }
  .nav-cta { display: none; } /* 手机端顶栏隐藏，底部栏代替 */

  .nav-links {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: 0; right: -280px;
    width: 260px; height: 100vh;
    background: var(--canvas);
    box-shadow: -8px 0 32px rgba(0,0,0,0.12);
    z-index: 900;
    padding: 80px 24px 40px;
    gap: 0;
    transition: right 0.3s cubic-bezier(0.4,0,0.2,1);
    overflow-y: auto;
  }
  .nav-links.open { right: 0; }
  .nav-links li { border-bottom: 1px solid var(--hairline); }
  .nav-links li a {
    display: block;
    padding: 14px 4px;
    font-size: 15px; font-weight: 500;
    color: var(--ink); text-decoration: none;
  }
  .nav-links li a.nav-active { color: var(--primary); }

  /* ── 底部固定操作栏（替代悬浮工具栏） ── */
  .floating-toolbar { display: none; }
  .fab { display: none; }

  .mobile-bottom-bar {
    display: flex !important;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: 60px;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--hairline);
    z-index: 997;
    align-items: stretch;
  }
  .mbb-btn {
    flex: 1;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 3px;
    font-size: 10px; color: var(--ink-muted);
    cursor: pointer; border: none; background: none;
    font-family: inherit;
    transition: color 0.2s;
  }
  .mbb-btn:active { background: rgba(0,0,0,0.04); }
  .mbb-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--accent-2));
    color: #fff; flex: 1.6;
    font-weight: 600; font-size: 13px;
    border-radius: 0;
  }
  .mbb-icon { font-size: 18px; line-height: 1; }

  /* 底部栏时页面内容留出空间 */
  body { padding-bottom: 60px; }

  /* ── 各屏通用间距 ── */
  .section { padding: 56px 0; }
  .container { padding: 0 16px; }
  .section-title { font-size: 24px !important; letter-spacing: -0.3px; }
  .section-desc { font-size: 14px; }
  .section-header { margin-bottom: 32px; }

  /* ── Hero ── */
  .hero-section { padding: 80px 0 56px; }
  .hero-eyebrow { font-size: 12px; }
  .hero-title { font-size: 26px !important; line-height: 1.3; }
  .hero-desc { font-size: 14px; }
  .hero-tags { gap: 6px; }
  .hero-tag { font-size: 12px; padding: 4px 10px; }
  .hero-actions { flex-direction: column; gap: 10px; align-items: center; }
  .hero-actions .btn-glow,
  .hero-actions .btn-ghost { width: 100%; max-width: 320px; justify-content: center; }

  /* ── 痛点屏 ── */
  .pain-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .pain-card { padding: 20px 16px; }
  .pain-number { font-size: 32px; }
  .pain-card h3 { font-size: 15px; }

  /* ── 社会证明条 ── */
  .sp-inner { flex-direction: column; gap: 20px; }
  .sp-cases { grid-template-columns: 1fr; gap: 10px; }

  /* ── 测算屏 ── */
  .calc-panel { grid-template-columns: 1fr; gap: 0; }
  .calc-left { padding: 24px 20px; border-bottom: 1px solid var(--hairline); }
  .calc-right { padding: 24px 20px; }
  #calcPlaceholder { display: none; } /* 手机端隐藏预览卡，节省空间 */
  .result-growth-curve { display: none; } /* 手机端隐藏增长曲线 */

  /* ── 解法屏 ── */
  .solution-how-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .sh-card { padding: 20px 16px; }

  /* ── 实力背书屏 ── */
  .trust-building-img { opacity: 0.15; }
  .trust-numbers { grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 32px; }
  .tn-num { font-size: 36px; }
  .trust-dual { grid-template-columns: 1fr; gap: 16px; }
  .td-arrow { flex-direction: row; justify-content: center; padding: 8px 0; }
  .td-photo { flex: 0 0 45%; }

  /* ── 供应链屏 ── */
  .supply-standalone-section { padding: 48px 0 56px; }
  .supply-metrics { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 28px; }
  .supply-metric { padding: 16px 12px; }
  .supply-metric-num { font-size: 26px; }
  .supply-logo-card { flex: 0 0 120px; width: 120px; }
  .marquee-fade { width: 32px; }
  .supply-cat-tags { gap: 6px; }
  .supply-cat-tag { font-size: 11px; padding: 5px 10px; }

  /* ── 合作模式屏 ── */
  .models-grid { grid-template-columns: 1fr; gap: 16px; }
  .model-card { padding: 24px 20px; }
  .model-card.featured { order: -1; } /* 推荐模式排到最前 */

  /* ── 安全承诺屏 ── */
  .guarantee-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .guarantee-card { padding: 20px 16px; }
  .gc-icon { font-size: 22px; margin-bottom: 10px; }
  .guarantee-card h3 { font-size: 14px; }
  .guarantee-card p { font-size: 12px; }

  /* ── 最终留资屏 ── */
  .final-wrapper { grid-template-columns: 1fr; gap: 24px; }
  .final-left { display: none; } /* 手机端隐藏左侧预览，只留表单 */
  .final-form-card { padding: 24px 20px; }
  .final-form-card h3 { font-size: 16px; }
  .form-row-2 { grid-template-columns: 1fr; }

  /* ── 弹窗底部滑出 ── */
  .modal-overlay { align-items: flex-end; }
  .modal-box {
    width: 100%; max-width: 100%;
    border-radius: 20px 20px 0 0;
    padding: 32px 24px 40px;
    animation: slideUpModal 0.3s cubic-bezier(0.4,0,0.2,1);
  }

  /* ── 二维码弹窗 ── */
  .qr-modal-overlay { align-items: flex-end; }
  .qr-modal-card {
    width: 100%; max-width: 100%;
    border-radius: 20px 20px 0 0;
    padding: 32px 24px 48px;
  }

  /* ── Footer ── */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 400px) {
  .hero-title { font-size: 22px !important; }
  .pain-grid { grid-template-columns: 1fr; }
  .solution-how-grid { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .supply-logo-card { flex: 0 0 108px; width: 108px; }
}

@keyframes slideUpModal {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}