/* ===== 租大圣 品牌色 ===== */
:root {
  --red: #E60012;
  --red-dark: #C4000F;
  --red-light: #FF1A2E;
  --gold: #FFB800;
  --gold-light: #FFD54F;
  --gold-dark: #E6A600;
  --dark: #1A1A2E;
  --gray-900: #2D2D3A;
  --gray-700: #555566;
  --gray-500: #888899;
  --gray-300: #CCCCDD;
  --gray-100: #F5F5FA;
  --white: #FFFFFF;
  --shadow: 0 4px 24px rgba(230, 0, 18, 0.08);
  --shadow-lg: 0 8px 40px rgba(230, 0, 18, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
  --topbar-h: 36px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--topbar-h) + 16px);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--dark);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 顶部栏 ===== */
.top-bar {
  background: var(--dark);
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-link { transition: color var(--transition); }
.top-link:hover { color: var(--gold); }
.top-link.highlight { color: var(--gold); font-weight: 600; }
.divider { opacity: 0.3; }
.hotline a { color: var(--gold); }

/* ===== 导航 ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(230,0,18,0.08);
  height: var(--header-h);
  transition: box-shadow var(--transition);
}

.header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.logo img {
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(230,0,18,0.2);
}

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

.logo-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--red);
  letter-spacing: 2px;
  line-height: 1.2;
}

.logo-tagline {
  font-size: 11px;
  color: var(--gray-500);
  letter-spacing: 1px;
}

.nav { display: flex; gap: 8px; }

.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--red);
  background: rgba(230,0,18,0.06);
}

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

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 80px 0 0;
  overflow: hidden;
  min-height: 520px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 50%, #8B0000 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(255,184,0,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,184,0,0.1) 0%, transparent 40%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 2px solid rgba(255,184,0,0.1);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--dark);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-title em {
  font-style: normal;
  color: var(--gold-light);
  font-size: 0.85em;
}

.hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--gold);
  color: var(--dark);
  box-shadow: 0 4px 16px rgba(255,184,0,0.4);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,184,0,0.5);
}

.btn-outline {
  border: 2px solid rgba(255,255,255,0.6);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-phone-card {
  position: relative;
  width: 280px;
  height: 360px;
  background: linear-gradient(145deg, #2a2a3e, #1a1a2e);
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  animation: float 4s ease-in-out infinite;
}

.phone-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(255,184,0,0.2) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--red) 0%, var(--red-dark) 100%);
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.phone-logo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.phone-screen p {
  color: var(--white);
  font-size: 18px;
}

.phone-screen strong {
  font-size: 32px;
  color: var(--gold);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-wave {
  position: relative;
  margin-top: -1px;
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: 60px;
}

/* ===== 四大保障 ===== */
.features {
  padding: 0 0 64px;
  margin-top: -32px;
  position: relative;
  z-index: 2;
}

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

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition);
  border: 1px solid rgba(230,0,18,0.06);
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  color: var(--red);
}

.feature-icon svg { width: 100%; height: 100%; }

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--dark);
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-500);
}

/* ===== 通用区块标题 ===== */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-title {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--gold));
  border-radius: 2px;
}

.section-title.light { color: var(--white); }
.section-title.light::after { background: var(--gold); }

.section-subtitle {
  font-size: 16px;
  color: var(--gray-500);
  margin-top: 16px;
}

.section-subtitle.light { color: rgba(255,255,255,0.75); }

/* ===== 热租机型 ===== */
.products {
  padding: 80px 0;
  background: var(--gray-100);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  position: relative;
  transition: all var(--transition);
  border: 1px solid transparent;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(230,0,18,0.1);
}

.product-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--gold);
  color: var(--dark);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}

.product-tag.hot { background: var(--red); color: var(--white); }

.product-img {
  width: 120px;
  height: 140px;
  margin: 16px auto 20px;
  border-radius: 16px;
  background: linear-gradient(145deg, #f0f0f5, #e0e0ea);
  position: relative;
}

.product-img::after {
  content: '';
  position: absolute;
  bottom: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 70%;
  border-radius: 12px;
  background: linear-gradient(180deg, #333 0%, #111 100%);
  box-shadow: inset 0 0 20px rgba(255,255,255,0.1);
}

.product-img.iphone::after { background: linear-gradient(180deg, #C0C0C0 0%, #888 100%); }
.product-img.huawei::after { background: linear-gradient(180deg, #1a1a2e 0%, #000 100%); }
.product-img.xiaomi::after { background: linear-gradient(180deg, #FF6900 0%, #CC5500 100%); }
.product-img.redmi::after { background: linear-gradient(180deg, #FF0033 0%, #CC0028 100%); }
.product-img.vivo::after { background: linear-gradient(180deg, #0066FF 0%, #0044CC 100%); }
.product-img.oppo::after { background: linear-gradient(180deg, #00C853 0%, #009624 100%); }

.product-real-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 14px;
  margin: 8px 0 16px;
  border: 1px solid rgba(230,0,18,0.08);
}

.product-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-price {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 16px;
  min-height: 42px;
}

.product-price strong {
  font-size: 24px;
  color: var(--red);
  font-weight: 800;
}

.product-btn {
  display: inline-block;
  padding: 10px 28px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: var(--white);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
}

.product-btn:hover {
  background: linear-gradient(135deg, var(--red-light), var(--red));
  transform: scale(1.05);
}

/* ===== 绿色循环 ===== */
.eco {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--gray-900) 100%);
  color: rgba(255,255,255,0.9);
}

.eco-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: center;
}

.eco-content p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.75);
}

.eco-highlight {
  color: var(--gold-light) !important;
  font-weight: 500;
}

.eco blockquote {
  border-left: 3px solid var(--gold);
  padding: 12px 20px;
  margin: 24px 0;
  background: rgba(255,184,0,0.08);
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

.eco cite {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  font-style: normal;
}

/* ===== 租赁流程 ===== */
.process {
  padding: 80px 0;
}

.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.process-step {
  flex: 1;
  min-width: 220px;
  max-width: 280px;
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
  transition: transform var(--transition);
}

.process-step:hover { transform: translateY(-4px); }

.step-num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 36px;
  font-weight: 900;
  color: rgba(230,0,18,0.08);
}

.step-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--red);
}

.process-step p {
  font-size: 14px;
  color: var(--gray-500);
}

.process-arrow {
  font-size: 28px;
  color: var(--gold);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== 租赁流程 - 阶段标签 ===== */
.process-phase {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 48px 0 24px;
}

.process-phase:first-of-type { margin-top: 0; }

.phase-label {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.phase-label--before  { background: linear-gradient(135deg, var(--red), var(--red-dark)); }
.phase-label--during  { background: linear-gradient(135deg, #1976D2, #0D47A1); }
.phase-label--after   { background: linear-gradient(135deg, #1976D2, #0D47A1); }

.phase-desc {
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-700);
}

/* 4步流程 */
.process-steps--4 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.process-steps--4 .process-step {
  min-width: 180px;
}

/* 租期中 */
.process-mid-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 16px;
}

.process-mid-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border-left: 4px solid #1976D2;
}

.mid-badge {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid #1976D2;
  color: #1976D2;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mid-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: #1976D2;
  margin-bottom: 6px;
}

.mid-body p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* 租期后 */
.process-end-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.process-end-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border-top: 4px solid #1976D2;
}

.end-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.end-icon { font-size: 22px; }

.end-card-title strong {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
}

.end-sub {
  font-size: 13px;
  color: var(--gray-500);
}

.end-timeline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.end-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--gray-700);
  text-align: center;
  min-width: 56px;
}

.end-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #1976D2;
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.end-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, #1976D2, #90CAF9);
  min-width: 20px;
  margin-bottom: 18px;
}

/* 响应式补充 */
@media (max-width: 1024px) {
  .process-mid-grid { grid-template-columns: 1fr; }
  .process-end-grid { grid-template-columns: 1fr; }
  .process-steps--4 .process-arrow { display: none; }
}

@media (max-width: 768px) {
  .process-steps--4 { flex-direction: column; }
}

/* ===== 服务说明 ===== */
.services {
  padding: 80px 0;
  background: var(--gray-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.service-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.service-item:hover {
  border-color: rgba(230,0,18,0.1);
  box-shadow: var(--shadow);
}

.service-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.service-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.service-item p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}

.faq-panel {
  margin-top: 28px;
  background: var(--white);
  border: 1px solid rgba(230,0,18,0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px;
}

.faq-panel-title {
  font-size: 22px;
  color: var(--red);
  font-weight: 800;
  margin-bottom: 18px;
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.faq-item {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 16px;
}

.faq-item h4 {
  font-size: 15px;
  color: var(--dark);
  margin-bottom: 8px;
}

.faq-item p {
  font-size: 13px;
  color: var(--gray-700);
  line-height: 1.65;
}

.faq-block {
  margin-top: 36px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid rgba(230,0,18,0.1);
  box-shadow: var(--shadow);
}

.faq-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--red);
  margin-bottom: 16px;
}

.faq-list {
  padding-left: 20px;
  color: var(--gray-700);
}

.faq-list li {
  margin-bottom: 12px;
  line-height: 1.8;
  font-size: 15px;
}

.faq-list li:last-child {
  margin-bottom: 0;
}

.faq-list strong {
  color: var(--dark);
}

/* ===== 关于我们 ===== */
.about {
  padding: 80px 0;
}

.about-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  margin-bottom: 12px;
  color: var(--gray-700);
  line-height: 1.8;
  padding-left: 16px;
  border-left: 3px solid rgba(230,0,18,0.15);
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.badge {
  padding: 8px 20px;
  background: linear-gradient(135deg, rgba(230,0,18,0.08), rgba(255,184,0,0.08));
  border: 1px solid rgba(230,0,18,0.15);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--red);
}

.about-card {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.about-card img {
  margin: 0 auto 20px;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.about-card h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.about-card p {
  color: var(--gold-light);
  font-size: 15px;
}

/* ===== 企业资讯 ===== */
.news {
  padding: 80px 0;
  background: var(--gray-100);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.news-card time {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.news-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
  color: var(--dark);
  transition: color var(--transition);
}

.news-card:hover h3 { color: var(--red); }

.news-link {
  font-size: 14px;
  color: var(--red);
  font-weight: 600;
}

/* ===== 联系我们 ===== */
.contact {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(230, 0, 18, 1) 0%, rgba(196, 0, 15, 1) 55%, rgba(139, 0, 0, 1) 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.contact-item {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  transition: transform var(--transition);
}

.contact-item:hover { transform: translateY(-4px); }

.contact-icon { font-size: 36px; margin-bottom: 16px; }

.contact-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.contact-item p {
  font-size: 18px;
  color: var(--gold-light);
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-item p a { color: var(--gold-light); }
.contact-item span { font-size: 13px; color: rgba(255,255,255,0.6); }

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding: 40px 0;
  text-align: center;
}

.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 16px; }

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.footer-brand img { border-radius: 50%; }

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 14px;
  transition: color var(--transition);
}

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

.footer-copy { font-size: 13px; }
.footer-icp { font-size: 12px; }
.footer-icp a { color: rgba(255,255,255,0.4); }

/* ===== 悬浮工具栏 ===== */
.float-toolbar {
  position: fixed;
  right: 16px;
  bottom: 80px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.float-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 56px;
  padding: 12px 8px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  color: var(--gray-700);
  font-size: 10px;
  transition: all var(--transition);
  border: 1px solid rgba(230,0,18,0.08);
}

.float-btn svg { width: 22px; height: 22px; }

.float-btn:hover {
  background: var(--red);
  color: var(--white);
  transform: scale(1.05);
}

.float-btn span { white-space: nowrap; }

/* ===== 弹窗 ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  max-width: 360px;
  width: 90%;
  transform: scale(0.9);
  transition: transform var(--transition);
}

.modal.active .modal-content { transform: scale(1); }

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 28px;
  color: var(--gray-500);
  line-height: 1;
  z-index: 2;
}

.modal-close:hover { color: var(--red); }

/* ===== 扫码弹窗 ===== */
.qr-modal {
  padding: 0;
  max-width: 400px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(230, 0, 18, 0.2);
}

.qr-modal .modal-close {
  top: 8px;
  right: 10px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 24px;
}

.qr-modal .modal-close:hover { color: var(--white); }

.qr-modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, rgba(230, 0, 18, 1) 0%, rgba(196, 0, 15, 1) 55%, rgba(139, 0, 0, 1) 100%);
  padding: 14px 40px 14px 16px;
  color: var(--white);
  text-align: left;
}

.qr-modal-logo {
  flex-shrink: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.qr-modal-title {
  flex: 1;
  min-width: 0;
}

.qr-modal-header h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--white);
}

.qr-modal-badge {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(255, 184, 0, 0.2);
  border: 1px solid rgba(255, 184, 0, 0.5);
  border-radius: 20px;
  font-size: 11px;
  color: var(--gold-light);
}

.qr-modal-body {
  padding: 20px;
}

.qr-modal-main {
  display: flex;
  align-items: center;
  gap: 16px;
}

.qr-code-wrap {
  flex-shrink: 0;
  padding: 8px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-300);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.qr-code-wrap img {
  display: block;
  width: 150px;
  height: 150px;
  border-radius: 4px;
}

.qr-modal-steps {
  list-style: none;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
  counter-reset: qr-step;
  flex: 1;
  min-width: 0;
}

.qr-modal-steps li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-700);
  counter-increment: qr-step;
  line-height: 1.4;
}

.qr-modal-steps li::before {
  content: counter(qr-step);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  border-radius: 50%;
}

.qr-modal-steps li strong {
  color: var(--red);
  font-weight: 600;
}

@media (max-width: 420px) {
  .qr-modal-main {
    flex-direction: column;
    gap: 12px;
  }

  .qr-modal-steps {
    width: 100%;
  }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-phone-card { width: 220px; height: 280px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .eco-inner { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .top-bar-right .top-link:not(.highlight),
  .top-bar-right .divider:nth-of-type(2),
  .top-bar-right .divider:nth-of-type(3) { display: none; }

  .nav {
    position: fixed;
    top: calc(var(--header-h) + var(--topbar-h));
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .menu-toggle { display: flex; }

  .features-grid { grid-template-columns: 1fr 1fr; }
  .process-arrow { display: none; }
  .process-steps { flex-direction: column; }
  .float-btn span { display: none; }
  .float-btn { width: 48px; padding: 12px; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .hero { min-height: auto; padding-top: 48px; }
}