/* ============================================================
   帮派 BangPai - 即时用工交易平台
   Design: 深墨绿 #0F2E22 · 琥珀橙 #E87722 · 暖白 #FAF8F5
   ============================================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --color-primary: #0F2E22;
  --color-primary-light: #1A4032;
  --color-primary-dark: #081F16;
  --color-accent: #E87722;
  --color-accent-light: #F0944E;
  --color-accent-dark: #C9631A;
  --color-bg: #FAF8F5;
  --color-bg-alt: #F3EEE6;
  --color-bg-dark: #0F2E22;
  --color-text: #1A2E24;
  --color-text-light: #5A6B60;
  --color-text-muted: #8A9A90;
  --color-text-on-dark: #FAF8F5;
  --color-border: #E0D9CC;
  --color-border-dark: #2A4A3A;

  --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --container-width: 1200px;
  --nav-height: 72px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- 通用容器 ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

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

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(232, 119, 34, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

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

.btn-ghost:hover {
  border-color: var(--color-primary);
  background: rgba(15, 46, 34, 0.04);
}

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

.btn-light:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-bg-alt);
  transform: translateY(-1px);
}

.btn-lg {
  font-size: 16px;
  padding: 14px 28px;
}

.btn-xl {
  font-size: 16px;
  padding: 16px 36px;
  font-weight: 500;
}

/* ---------- 通用 section ---------- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-left: 24px;
  position: relative;
}

.section-eyebrow::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 1px;
  background: var(--color-accent);
}

.section-eyebrow-light {
  color: var(--color-accent);
}

.section-eyebrow-light::before {
  background: var(--color-accent);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.section-header-light .section-title {
  color: #fff;
}

.section-header-light .section-desc {
  color: rgba(250, 248, 245, 0.7);
}

/* ---------- 滚动揭示 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* ========== 导航栏 ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s var(--ease);
}

.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 20px rgba(15, 46, 34, 0.06);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 14px;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

/* ========== Hero 首屏 ========== */
.hero {
  position: relative;
  padding: calc(var(--nav-height) + 80px) 0 120px;
  background: var(--color-bg);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.eyebrow-line {
  width: 32px;
  height: 1.5px;
  background: var(--color-accent);
}

.eyebrow span:last-child {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--color-primary);
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.title-accent {
  color: var(--color-accent);
  position: relative;
  display: inline-block;
}

.title-accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 6px;
  background: rgba(232, 119, 34, 0.15);
  z-index: -1;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-trust {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.trust-icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 119, 34, 0.08);
  border-radius: var(--radius-sm);
}

.trust-text {
  display: flex;
  flex-direction: column;
}

.trust-text strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

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

/* Hero Right - Stats Panel */
.hero-right {
  position: relative;
}

.stats-panel {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 20px 60px rgba(15, 46, 34, 0.08);
  position: relative;
  z-index: 2;
}

.stats-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.stats-dot {
  width: 8px;
  height: 8px;
  background: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15); }
  50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.08); }
}

.stats-header span:last-child {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

.stats-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}

.stat-unit {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--color-text-light);
}

.stat-bar {
  width: 100%;
  height: 4px;
  background: var(--color-bg-alt);
  border-radius: 2px;
  overflow: hidden;
}

.stat-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  transition: width 1.5s var(--ease-out);
}

/* Floating card */
.hero-card-float {
  position: absolute;
  bottom: -20px;
  left: 0;
  z-index: 3;
}

.float-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: 0 12px 40px rgba(15, 46, 34, 0.1);
  min-width: 260px;
  animation: floatY 4s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.float-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.badge-success {
  background: rgba(34, 197, 94, 0.1);
  color: #16A34A;
}

.float-time {
  font-size: 12px;
  color: var(--color-text-muted);
}

.float-card-body {
  display: flex;
  align-items: center;
  gap: 12px;
}

.float-avatar {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.float-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.float-meta {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* Hero pattern */
.hero-pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  pointer-events: none;
}

.grid-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(15, 46, 34, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 46, 34, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(90deg, transparent 0%, black 30%, black 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 30%, black 100%);
}

/* ========== 痛点区 ========== */
.pain-section {
  background: var(--color-bg-alt);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pain-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  position: relative;
  transition: all 0.4s var(--ease);
}

.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 46, 34, 0.08);
  border-color: var(--color-primary);
}

.pain-number {
  font-family: var(--font-serif);
  font-size: 80px;
  font-weight: 700;
  color: var(--color-bg-alt);
  position: absolute;
  top: 20px;
  right: 28px;
  line-height: 1;
  z-index: 0;
  -webkit-text-stroke: 1px var(--color-border);
  color: transparent;
}

.pain-icon {
  width: 64px;
  height: 64px;
  color: var(--color-accent);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.pain-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.pain-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.pain-stat {
  display: flex;
  flex-direction: column;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
}

.pain-stat-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.pain-stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ========== 解决方案 / 流程 ========== */
.solution-section {
  background: var(--color-bg);
}

.flow-wrap {
  position: relative;
}

.flow-line {
  position: absolute;
  top: 80px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: var(--color-border);
  z-index: 0;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 0;
  align-items: start;
  position: relative;
  z-index: 1;
}

.flow-step {
  grid-column: span 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flow-arrow {
  grid-column: span 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 68px;
  color: var(--color-accent);
  opacity: 0.6;
}

.flow-arrow svg {
  width: 20px;
  height: 20px;
}

.flow-step-num {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.flow-step-icon {
  width: 72px;
  height: 72px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 20px;
  transition: all 0.3s var(--ease);
}

.flow-step:hover .flow-step-icon {
  border-color: var(--color-accent);
  background: rgba(232, 119, 34, 0.05);
  transform: scale(1.05);
  color: var(--color-accent);
}

.flow-step-icon svg {
  width: 28px;
  height: 28px;
}

.flow-step h4 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.flow-step p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ========== 产品三端 ========== */
.product-section {
  background: var(--color-bg-alt);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  transition: all 0.4s var(--ease);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(15, 46, 34, 0.08);
}

.product-featured {
  border-color: var(--color-primary);
  border-radius: var(--radius-lg);
  background: var(--color-primary);
}

.product-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  padding: 4px 12px;
  border: 1px solid var(--color-primary);
  margin-bottom: 28px;
}

.product-tag-accent {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.product-icon {
  width: 56px;
  height: 56px;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.product-icon-accent {
  color: var(--color-accent);
}

.product-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.product-featured .product-title {
  color: #fff;
}

.product-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 28px;
}

.product-featured .product-desc {
  color: rgba(250, 248, 245, 0.7);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.product-featured .feature-list li {
  color: rgba(250, 248, 245, 0.8);
}

.feature-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.product-featured .feature-dot {
  background: var(--color-accent);
}

/* ========== 核心能力 ========== */
.capability-section {
  background: var(--color-bg);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.capability-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: start;
  transition: all 0.4s var(--ease);
}

.capability-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 16px 40px rgba(15, 46, 34, 0.06);
}

.capability-num {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  opacity: 0.8;
}

.capability-content {
  flex: 1;
}

.capability-content h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.capability-content p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.capability-visual {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  opacity: 0.6;
  flex-shrink: 0;
}

/* Match diagram */
.match-diagram {
  position: relative;
  width: 100px;
  height: 100px;
}

.match-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: var(--color-accent);
  border-radius: 50%;
}

.match-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
}

.dot-1 { top: 10px; left: 15px; }
.dot-2 { top: 10px; right: 15px; }
.dot-3 { bottom: 20px; left: 10px; }

.match-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Shield diagram */
.shield-diagram svg {
  width: 80px;
  height: 96px;
}

/* Credit diagram */
.credit-diagram {
  position: relative;
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.credit-ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  opacity: 0.3;
}

.credit-ring::before,
.credit-ring::after {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  opacity: 0.5;
}

.credit-ring::after {
  inset: 16px;
  border-color: var(--color-primary);
  opacity: 0.4;
}

.credit-inner {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  z-index: 1;
}

/* Settle diagram */
.settle-diagram svg {
  width: 100px;
  height: 80px;
}

/* ========== 数据展示 ========== */
.data-section {
  background: var(--color-primary);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.data-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(250, 248, 245, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(250, 248, 245, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.data-inner {
  position: relative;
  z-index: 1;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.data-card {
  text-align: center;
  padding: 36px 24px;
  border: 1px solid rgba(250, 248, 245, 0.12);
  background: rgba(250, 248, 245, 0.03);
  transition: all 0.4s var(--ease);
}

.data-card:hover {
  background: rgba(250, 248, 245, 0.06);
  border-color: rgba(250, 248, 245, 0.2);
  transform: translateY(-2px);
}

.data-number {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 12px;
}

.data-value {
  font-family: var(--font-serif);
  font-size: 52px;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}

.data-unit {
  font-size: 18px;
  color: var(--color-accent);
  font-weight: 500;
}

.data-label {
  font-size: 14px;
  color: rgba(250, 248, 245, 0.6);
  margin-bottom: 20px;
}

.data-bar {
  width: 100%;
  height: 3px;
  background: rgba(250, 248, 245, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.data-bar span {
  display: block;
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  width: 0;
  transition: width 2s var(--ease-out);
}

.reveal.active .data-bar span {
  width: var(--w, 50%);
}

/* ========== 商业模式 ========== */
.business-section {
  background: var(--color-bg);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.business-item {
  display: flex;
  gap: 28px;
  padding: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: all 0.4s var(--ease);
}

.business-item:hover {
  border-color: var(--color-accent);
  box-shadow: 0 12px 30px rgba(232, 119, 34, 0.08);
}

.business-percent {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
  width: 100px;
}

.business-body h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.business-rate {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.business-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ========== 应用场景 ========== */
.scene-section {
  background: var(--color-bg-alt);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.scene-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.4s var(--ease);
}

.scene-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 16px 40px rgba(15, 46, 34, 0.08);
}

.scene-icon {
  width: 52px;
  height: 52px;
  color: var(--color-accent);
  margin-bottom: 24px;
}

.scene-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.scene-card > p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.scene-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.scene-list li {
  font-size: 13px;
  color: var(--color-text-light);
  padding-left: 16px;
  position: relative;
}

.scene-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 1px;
  background: var(--color-accent);
}

/* ========== 关于我们 ========== */
.about-section {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-left .section-eyebrow {
  margin-bottom: 20px;
}

.about-left .section-title {
  text-align: left;
  font-size: 38px;
  margin-bottom: 24px;
}

.about-text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.founder-card {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.founder-avatar {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.founder-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
}

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

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.about-stat {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s var(--ease);
}

.about-stat:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.about-stat-num {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 8px;
}

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

/* ========== CTA 区 ========== */
.cta-section {
  padding: 100px 0;
  background: var(--color-bg);
}

.cta-inner {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 80px 64px;
  position: relative;
  overflow: hidden;
}

.cta-bg-pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background-image:
    linear-gradient(rgba(232, 119, 34, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 119, 34, 0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: linear-gradient(90deg, transparent 0%, black 50%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 50%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.cta-desc {
  font-size: 17px;
  color: rgba(250, 248, 245, 0.7);
  margin-bottom: 36px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 20px;
}

/* ========== 页脚 ========== */
.footer {
  background: var(--color-primary-dark);
  color: rgba(250, 248, 245, 0.7);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(250, 248, 245, 0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo .logo-mark {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.footer-logo .logo-text {
  color: #fff;
}

.footer-tagline {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--color-accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(250, 248, 245, 0.5);
  max-width: 320px;
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(250, 248, 245, 0.5);
  transition: color 0.25s var(--ease);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(250, 248, 245, 0.6);
}

.footer-contact svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 13px;
  color: rgba(250, 248, 245, 0.4);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 13px;
  color: rgba(250, 248, 245, 0.4);
}

.footer-legal a:hover {
  color: var(--color-accent);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero-title { font-size: 52px; }
  .hero-grid { gap: 48px; }
  .section-title { font-size: 36px; }

  .pain-grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-grid {
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: auto auto;
    gap: 20px 0;
  }

  .flow-step:nth-child(1) { grid-column: 1 / 2; grid-row: 1; }
  .flow-arrow:nth-child(2) { grid-column: 2 / 3; grid-row: 1; }
  .flow-step:nth-child(3) { grid-column: 3 / 4; grid-row: 1; }
  .flow-arrow:nth-child(4) { grid-column: 4 / 5; grid-row: 1; }
  .flow-step:nth-child(5) { grid-column: 5 / 6; grid-row: 1; }
  .flow-arrow:nth-child(6) { grid-column: 2 / 3; grid-row: 2; }
  .flow-step:nth-child(7) { grid-column: 3 / 4; grid-row: 2; }
  .flow-arrow:nth-child(8) { grid-column: 4 / 5; grid-row: 2; }
  .flow-step:nth-child(9) { grid-column: 1 / 2; grid-row: 2; }

  .flow-line { display: none; }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-container { padding: 0 20px; }
  .section { padding: 64px 0; }

  .nav-links,
  .nav-actions {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .navbar.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
    gap: 20px;
  }

  .hero {
    padding: calc(var(--nav-height) + 48px) 0 80px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-title {
    font-size: 38px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-trust {
    flex-direction: column;
    gap: 20px;
  }

  .hero-card-float {
    display: none;
  }

  .stats-panel {
    padding: 24px;
  }

  .section-title {
    font-size: 28px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .pain-grid,
  .product-grid,
  .scene-grid {
    grid-template-columns: 1fr;
  }

  .flow-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .flow-step,
  .flow-arrow {
    grid-column: 1 / -1 !important;
    grid-row: auto !important;
  }

  .flow-arrow {
    padding: 8px 0;
    transform: rotate(90deg);
  }

  .capability-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .capability-visual {
    justify-self: start;
  }

  .data-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .data-card {
    padding: 24px 16px;
  }

  .data-value {
    font-size: 36px;
  }

  .business-grid {
    grid-template-columns: 1fr;
  }

  .business-item {
    flex-direction: column;
    gap: 16px;
    padding: 28px;
  }

  .business-percent {
    width: auto;
    font-size: 40px;
  }

  .about-left .section-title {
    font-size: 28px;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .cta-inner {
    padding: 48px 28px;
  }

  .cta-title {
    font-size: 30px;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .section-title { font-size: 24px; }
  .about-stat-num { font-size: 32px; }
  .data-value { font-size: 28px; }
  .pain-stat-num { font-size: 26px; }
}