/* =========================================================
   17聚聚 · 企业官网 · 公共样式
   北京达娜网络科技有限公司
   ========================================================= */

:root {
  /* 品牌色 */
  --brand-primary: #009e91;         /* 小程序品牌色 - 主 */
  --brand-primary-light: #00b9aa;
  --brand-primary-dark: #007e74;
  --brand-accent: #22d3ee;          /* 青蓝 - 科技感点缀 */
  --brand-gold: #D4AF37;            /* 金色 - 高端点缀 */

  /* 深色模式 */
  --dark-bg: #0B1220;
  --dark-bg-2: #0F172A;
  --dark-card: rgba(255, 255, 255, 0.04);
  --dark-border: rgba(255, 255, 255, 0.08);
  --dark-border-strong: rgba(255, 255, 255, 0.14);
  --dark-text: #F1F5F9;
  --dark-text-muted: #94A3B8;
  --dark-text-dim: #64748B;

  /* 浅色模式 */
  --light-bg: #FFFFFF;
  --light-bg-2: #F8FAFC;
  --light-bg-3: #F1F5F9;
  --light-card: #FFFFFF;
  --light-border: #E2E8F0;
  --light-border-strong: #CBD5E1;
  --light-text: #0F172A;
  --light-text-muted: #475569;
  --light-text-dim: #64748B;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 40px rgba(0, 158, 145, 0.25);

  /* 动效 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 200ms;
  --dur-base: 400ms;
  --dur-slow: 700ms;

  /* 布局 */
  --max-w: 1280px;
  --nav-h: 76px;
}

/* ========== 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: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--light-text);
  background: var(--light-bg);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--dur-fast) var(--ease-out); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* ========== 公共布局 ========== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
}

.section {
  padding: 120px 0;
  position: relative;
}
.section-sm { padding: 80px 0; }
.section-dark { background: var(--dark-bg); color: var(--dark-text); }
.section-light-2 { background: var(--light-bg-2); }

.section-title {
  text-align: center;
  margin-bottom: 68px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: 16px;
}
.section-title h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: inherit;
}
.section-title p {
  margin-top: 16px;
  font-size: 17px;
  color: var(--light-text-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.section-dark .section-title p { color: var(--dark-text-muted); }

/* ========== 导航栏 ========== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              backdrop-filter var(--dur-base) var(--ease-out);
}
.site-nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
}
.site-nav.on-hero {
  color: var(--dark-text);
}
.site-nav.on-hero .nav-link { color: var(--dark-text-muted); }
.site-nav.on-hero .nav-link:hover { color: #fff; }
.site-nav.on-hero .nav-logo-text { color: #fff; }

.nav-inner {
  max-width: var(--max-w);
  height: 100%;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: transparent;
  display: grid; place-items: center;
  overflow: hidden;
}
.nav-logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.nav-logo-text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--light-text);
  transition: color var(--dur-fast) var(--ease-out);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex: 1;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--light-text-muted);
  position: relative;
  padding: 6px 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  transition: width var(--dur-base) var(--ease-out);
}
.nav-link:hover { color: var(--light-text); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--brand-primary); }
.nav-link.active::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 158, 145, 0.3);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  flex-shrink: 0;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(0, 158, 145, 0.4);
}

.nav-toggle { display: none; color: inherit; }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    padding: 16px 28px 24px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open .nav-link {
    padding: 14px 0;
    border-bottom: 1px solid var(--light-border);
  }
  .site-nav.on-hero .nav-links.open .nav-link { color: var(--light-text-muted); }
}

/* ========== 通用按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 158, 145, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(0, 158, 145, 0.42);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(6px);
}
.btn-outline-light:hover {
  border-color: rgba(255,255,255,0.55);
  background: rgba(255,255,255,0.06);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--light-text);
  border: 1.5px solid var(--light-border-strong);
}
.btn-outline:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  transform: translateY(-2px);
}
.btn-lg { padding: 18px 36px; font-size: 16px; }

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--dark-bg);
  color: #fff;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 40px) 0 100px;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 70%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.55;
  animation: orbPulse 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 520px; height: 520px;
  top: -12%; left: -8%;
  background: radial-gradient(circle, var(--brand-primary), transparent 60%);
}
.hero-orb-2 {
  width: 440px; height: 440px;
  top: 20%; right: -6%;
  background: radial-gradient(circle, var(--brand-accent), transparent 60%);
  animation-delay: 2s;
}
.hero-orb-3 {
  width: 360px; height: 360px;
  bottom: -10%; left: 35%;
  background: radial-gradient(circle, #6366f1, transparent 60%);
  animation-delay: 4s;
}
@keyframes orbPulse {
  0%, 100% { transform: scale(1); opacity: 0.45; }
  50% { transform: scale(1.12); opacity: 0.65; }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 960px) {
  .hero-content { grid-template-columns: 1fr; gap: 60px; text-align: center; }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 8px;
  border-radius: 999px;
  background: rgba(0, 158, 145, 0.12);
  border: 1px solid rgba(0, 158, 145, 0.25);
  color: var(--brand-primary-light);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--brand-primary-light);
  box-shadow: 0 0 0 4px rgba(0, 158, 145, 0.18);
}
.hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 24px;
}
.brand-gradient-text {
  background: linear-gradient(135deg, var(--brand-primary-light) 0%, var(--brand-accent) 50%, #7dd3fc 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-subtitle {
  font-size: 19px;
  line-height: 1.7;
  color: var(--dark-text-muted);
  margin-bottom: 40px;
  max-width: 560px;
}
@media (max-width: 960px) {
  .hero-subtitle { margin-left: auto; margin-right: auto; }
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
@media (max-width: 960px) {
  .hero-ctas { justify-content: center; }
}
.hero-tags {
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
@media (max-width: 960px) {
  .hero-tags { justify-content: center; }
}
.hero-tag {
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--dark-border);
  color: var(--dark-text-muted);
  font-size: 13px;
  font-weight: 500;
}

.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}
.hero-card {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--dark-border-strong);
  backdrop-filter: blur(12px);
  padding: 32px;
  box-shadow: 0 40px 100px rgba(0,0,0,0.4);
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(0, 158, 145, 0.12), transparent 30%);
  animation: rotate 10s linear infinite;
}
@keyframes rotate { to { transform: rotate(360deg); } }
.hero-card-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.hero-card-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-card-logo-mark {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: transparent;
  display: grid; place-items: center;
}
.hero-card-logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.hero-card-logo-text {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hero-card-badge {
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(0, 158, 145, 0.15);
  color: var(--brand-primary-light);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* 模拟小程序卡片 */
.mock-activity {
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--dark-border);
  padding: 18px;
  margin-bottom: 14px;
  transition: all var(--dur-base) var(--ease-out);
}
.mock-activity:hover {
  background: rgba(255,255,255,0.07);
  transform: translateX(6px);
}
.mock-activity-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
}
.mock-activity-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--dark-text-muted);
}
.mock-activity-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.mock-activity-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(0, 158, 145, 0.15);
  color: var(--brand-primary-light);
  font-size: 11px;
  font-weight: 600;
  margin-left: auto;
}

.hero-card-cta {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--dark-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.hero-card-qr {
  width: 72px; height: 72px;
  border-radius: 12px;
  background: #fff;
  padding: 6px;
  display: grid; place-items: center;
  color: #0B1220;
  font-size: 10px;
  font-weight: 600;
  text-align: center;
}
.hero-card-cta-text { font-size: 13px; color: var(--dark-text-muted); }
.hero-card-cta-text strong { color: #fff; font-size: 15px; display: block; margin-bottom: 4px; }

/* ========== 卡片组件 ========== */
.card {
  background: var(--light-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--light-border);
  transition: all var(--dur-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 158, 145, 0.25);
}
.card-dark {
  background: var(--dark-card);
  border-color: var(--dark-border);
  color: var(--dark-text);
}
.card-dark:hover {
  border-color: rgba(0, 158, 145, 0.4);
  background: rgba(255,255,255,0.06);
}

.card-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 158, 145, 0.12), rgba(34, 211, 238, 0.12));
  display: grid; place-items: center;
  margin-bottom: 24px;
  color: var(--brand-primary);
}
.card-dark .card-icon {
  background: linear-gradient(135deg, rgba(0, 158, 145, 0.2), rgba(34, 211, 238, 0.2));
  color: var(--brand-primary-light);
}
.card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--light-text-muted);
}
.card-dark p { color: var(--dark-text-muted); }

/* ========== 特性网格 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.feature-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1100px) { .feature-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .feature-grid-4 { grid-template-columns: 1fr; } }

/* ========== CTA Section ========== */
.cta-band {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 72px 56px;
  background: linear-gradient(135deg, var(--dark-bg-2), #1a2744);
  color: #fff;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 158, 145, 0.3), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(34, 211, 238, 0.25), transparent 50%);
}
.cta-band-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.cta-band p { color: var(--dark-text-muted); font-size: 16px; }

/* ========== Footer ========== */
.site-footer {
  background: var(--dark-bg);
  color: var(--dark-text-muted);
  padding: 72px 0 32px;
  border-top: 1px solid var(--dark-border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--dark-border);
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.footer-brand-name {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}
.footer-brand-desc { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-link {
  font-size: 14px;
  color: var(--dark-text-muted);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer-link:hover { color: var(--brand-primary-light); }

.footer-bottom {
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 13px;
}
.footer-bottom-left { display: flex; flex-direction: column; gap: 6px; }
.footer-beian {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-beian a:hover { color: var(--brand-primary-light); }

/* ========== 滚动显示动画 ========== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 内页页面头部 ========== */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 72px;
  background: var(--dark-bg);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(0, 158, 145, 0.2), transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(34, 211, 238, 0.18), transparent 55%);
}
.page-hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.page-hero-crumbs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--dark-text-muted);
  margin-bottom: 16px;
}
.page-hero-crumbs a:hover { color: var(--brand-primary-light); }
.page-hero-crumbs .sep { color: var(--dark-text-dim); }
.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.page-hero p {
  font-size: 17px;
  color: var(--dark-text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========== 法律文档页 ========== */
.legal-content {
  max-width: 880px;
  margin: 0 auto;
}
.legal-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--light-text);
}
.legal-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 24px 0 10px;
  color: var(--light-text);
}
.legal-content p, .legal-content li {
  font-size: 15px;
  line-height: 1.9;
  color: var(--light-text-muted);
  margin-bottom: 12px;
}
.legal-content ul { padding-left: 20px; list-style: disc; }
.legal-content ol { padding-left: 20px; list-style: decimal; }
.legal-content strong { color: var(--light-text); font-weight: 600; }
.legal-update {
  padding: 16px 20px;
  background: var(--light-bg-2);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--light-text-muted);
  margin-bottom: 32px;
  border-left: 3px solid var(--brand-primary);
}

/* ========== 联系页 ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-item {
  display: flex;
  gap: 18px;
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--light-bg-2);
  margin-bottom: 16px;
  transition: all var(--dur-base) var(--ease-out);
}
.contact-item:hover {
  transform: translateX(4px);
  background: rgba(0, 158, 145, 0.04);
}
.contact-item-icon {
  width: 52px; height: 52px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 158, 145, 0.12), rgba(34, 211, 238, 0.12));
  display: grid; place-items: center;
  color: var(--brand-primary);
}
.contact-item-label {
  font-size: 13px;
  color: var(--light-text-muted);
  margin-bottom: 4px;
}
.contact-item-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--light-text);
}
.contact-map-placeholder {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(0, 158, 145, 0.05), rgba(34, 211, 238, 0.05)),
    repeating-linear-gradient(45deg, rgba(15,23,42,0.035) 0 2px, transparent 2px 24px);
  display: grid; place-items: center;
  color: var(--light-text-muted);
  border: 1px dashed var(--light-border-strong);
}

/* ========== 时间线 / 步骤 ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}
@media (max-width: 900px) {
  .steps-grid { grid-template-columns: 1fr; }
}
.step-card {
  position: relative;
  padding: 32px 28px 32px 68px;
  border-radius: var(--radius-lg);
  background: var(--light-card);
  border: 1px solid var(--light-border);
  transition: all var(--dur-base) var(--ease-out);
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 158, 145, 0.3);
  box-shadow: var(--shadow-md);
}
.step-num {
  position: absolute;
  left: 24px; top: 32px;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  color: #fff;
  display: grid; place-items: center;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(0, 158, 145, 0.3);
}
.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: var(--light-text-muted);
  line-height: 1.7;
}

/* ========== 双栏介绍 ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
}
.about-visual {
  aspect-ratio: 4/5;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(0, 158, 145, 0.06), rgba(34, 211, 238, 0.06));
  border: 1px solid var(--light-border);
  position: relative;
  overflow: hidden;
  display: grid; place-items: center;
}
.about-visual::before {
  content: '';
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 30% 30%, rgba(0, 158, 145, 0.18), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(34, 211, 238, 0.15), transparent 50%);
  filter: blur(20px);
}
.about-visual-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px;
}
.about-visual-mark {
  font-size: clamp(64px, 10vw, 112px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-visual-tag {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--light-bg);
  border: 1px solid var(--light-border);
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-primary);
}

.about-text h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 24px;
}
.about-text p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--light-text-muted);
  margin-bottom: 20px;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 36px;
}
.values-grid .item {
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--light-bg-2);
  border: 1px solid var(--light-border);
}
.values-grid .item strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--light-text);
  margin-bottom: 6px;
}
.values-grid .item span {
  font-size: 13px;
  color: var(--light-text-muted);
  line-height: 1.6;
}

/* ========== 产品功能：小程序 Mockup ========== */
.about-visual-inner {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}
.mockup-phone {
  width: 62%;
  aspect-ratio: 9/19;
  min-width: 220px;
  border-radius: 38px;
  background: #0f172a;
  padding: 10px;
  box-shadow:
    0 30px 60px rgba(15, 23, 42, 0.18),
    0 10px 24px rgba(15, 23, 42, 0.10),
    inset 0 0 0 1px rgba(255,255,255,0.04);
  position: relative;
  z-index: 1;
}
.mockup-phone::before {
  content: '';
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 22px;
  background: #0f172a;
  border-radius: 999px;
  z-index: 3;
}
.mockup-screen {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  background: #f6f8fb;
  overflow: hidden;
  position: relative;
}
.mockup-statusbar {
  height: 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 18px 0 22px;
  font-size: 11px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: 0.02em;
}
.mockup-statusbar .right-icons {
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0.75;
}
.mockup-nav {
  padding: 0 14px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #0f172a;
}
.mockup-nav .title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.mockup-nav .dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #eef2f7;
  display: grid; place-items: center;
  color: #475569;
}
.mockup-tabs {
  display: flex;
  gap: 6px;
  padding: 0 12px 12px;
  overflow-x: hidden;
}
.mockup-tabs .tab {
  flex-shrink: 0;
  padding: 5px 11px;
  border-radius: 999px;
  background: #eef2f7;
  font-size: 10px;
  font-weight: 600;
  color: #475569;
}
.mockup-tabs .tab.on {
  background: #009e91;
  color: #fff;
}
.mockup-search {
  margin: 0 12px 12px;
  height: 30px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  color: #94a3b8;
  font-size: 10px;
}
.mockup-scroll {
  padding: 0 12px 16px;
  overflow: hidden;
}
.mockup-card {
  background: #fff;
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 1px 2px rgba(15,23,42,0.05);
  margin-bottom: 10px;
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 10px;
}
.mockup-card.cover-up {
  display: block;
  padding: 0;
  overflow: hidden;
}
.mockup-card.cover-up .mc-cover-lg {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #ccfbf1, #a5f3fc);
}
.mockup-card.cover-up .mc-body {
  padding: 10px 12px 12px;
}
.mc-cover {
  border-radius: 10px;
  background: linear-gradient(135deg, #ccfbf1, #a5f3fc);
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
}
.mc-cover.c2 { background: linear-gradient(135deg, #ede9fe, #c7d2fe); }
.mc-cover.c3 { background: linear-gradient(135deg, #ffedd5, #fed7aa); }
.mc-cover::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.6), transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(0,0,0,0.06), transparent 50%);
}
.mc-title {
  height: 10px; width: 100%;
  background: #e2e8f0;
  border-radius: 4px;
  margin-bottom: 8px;
}
.mc-title.w2 { width: 70%; }
.mc-title.w3 { width: 55%; }
.mc-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mc-row {
  height: 8px; width: 100%;
  background: #e2e8f0;
  border-radius: 999px;
}
.mc-row.w1 { width: 86%; }
.mc-row.w2 { width: 72%; }
.mc-row.w3 { width: 60%; }
.mc-footer {
  margin-top: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4px;
}
.mc-badge {
  display: inline-block;
  height: 14px;
  padding: 0 6px;
  border-radius: 4px;
  font-size: 8px;
  font-weight: 700;
  line-height: 14px;
}
.badge-fee { background: #ecfeff; color: #0891b2; }
.badge-num { background: #ecfdf5; color: #059669; }
.badge-tag { background: #f0f9ff; color: #0284c7; }
.btn-primary-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  padding: 0 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #009e91, #22d3ee);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
}

/* 表单专用 */
.mockup-form {
  padding: 0 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mf-group {
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
}
.mf-label {
  font-size: 9px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
}
.mf-input {
  height: 22px;
  background: #f1f5f9;
  border-radius: 6px;
}
.mf-input.hi { height: 52px; border-radius: 8px; }
.mf-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.mf-switch {
  display: flex;
  gap: 6px;
}
.mf-switch .sw {
  flex: 1;
  height: 26px;
  border-radius: 8px;
  background: #f1f5f9;
  font-size: 9px;
  font-weight: 700;
  color: #64748b;
  display: grid; place-items: center;
}
.mf-switch .sw.on {
  background: #ccfbf1;
  color: #009e91;
  border: 1px solid #5eead4;
}
.mf-upload {
  height: 58px;
  border-radius: 10px;
  border: 1px dashed #cbd5e1;
  background: #fafbff;
  display: grid;
  place-items: center;
  color: #94a3b8;
}
.mf-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.mf-chip {
  padding: 3px 8px;
  border-radius: 999px;
  background: #f1f5f9;
  font-size: 8px;
  color: #64748b;
  font-weight: 600;
}
.mf-chip.on { background: #ccfbf1; color: #009e91; border: 1px solid #5eead4; padding: 2px 7px;}
.mf-submit {
  margin: 4px 0 0;
  height: 34px;
  border-radius: 999px;
  background: linear-gradient(135deg, #009e91, #22d3ee);
  color: #fff;
  display: grid; place-items: center;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

/* 详情/签到 */
.du-header {
  aspect-ratio: 5/3;
  background: linear-gradient(135deg, #ccfbf1 0%, #a5f3fc 50%, #ede9fe 100%);
  position: relative;
}
.du-header::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.55), transparent 45%);
}
.du-close {
  position: absolute; top: 8px; right: 8px; z-index: 2;
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(15,23,42,0.45); color: #fff;
  display: grid; place-items: center;
}
.du-info {
  padding: 12px 14px 12px;
}
.du-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}
.du-t {
  height: 12px; width: 70%; background: #0f172a; border-radius: 4px;
}
.du-fee {
  height: 16px; padding: 0 8px; border-radius: 6px;
  background: #ecfeff; color: #0e7490;
  font-size: 9px; font-weight: 800; line-height: 16px;
  flex-shrink: 0;
}
.du-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.du-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.du-icon {
  width: 18px; height: 18px; border-radius: 5px;
  background: #ccfbf1; color: #009e91;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.du-meta-text {
  height: 8px;
  background: #cbd5e1;
  border-radius: 999px;
  flex: 1;
}
.du-meta-text.s { flex: 0.55; }
.du-divider {
  height: 1px; background: #e2e8f0;
  margin: 12px 0;
}
.du-progress {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 9px; color: #64748b; font-weight: 700;
}
.du-progress-bar {
  height: 6px; border-radius: 999px; background: #e2e8f0;
  overflow: hidden; margin-bottom: 12px;
}
.du-progress-fill {
  width: 68%; height: 100%;
  background: linear-gradient(90deg, #009e91, #22d3ee);
}
.du-bottom {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 8px 12px 10px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-top: 1px solid #e2e8f0;
  display: flex;
  gap: 8px;
  align-items: center;
}
.du-ghost-btn {
  width: 30px; height: 30px; border-radius: 8px;
  background: #f1f5f9; color: #64748b;
  display: grid; place-items: center;
}
.du-checkin-btn {
  flex: 1;
  height: 36px; border-radius: 999px;
  background: linear-gradient(135deg, #009e91, #22d3ee);
  color: #fff; display: grid; place-items: center;
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.04em;
}

/* 审核列表 */
.am-toolbar {
  margin: 0 12px 10px;
  display: flex;
  gap: 6px;
}
.am-filter {
  flex: 1;
  padding: 5px 0;
  border-radius: 8px;
  background: #f1f5f9;
  font-size: 9px; font-weight: 700; color: #64748b;
  text-align: center;
}
.am-filter.on { background: #0f172a; color: #fff; }
.am-item {
  margin: 0 12px 8px;
  background: #fff;
  border-radius: 12px;
  padding: 10px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 10px;
  align-items: start;
}
.am-item-cover {
  aspect-ratio: 4/3;
  border-radius: 8px;
  background: linear-gradient(135deg, #ccfbf1, #a5f3fc);
  position: relative;
  overflow: hidden;
}
.am-item-cover.c2 { background: linear-gradient(135deg, #ede9fe, #ddd6fe); }
.am-item-cover.c3 { background: linear-gradient(135deg, #ffedd5, #fed7aa); }
.am-item-title {
  height: 9px; background: #0f172a; border-radius: 3px; margin-bottom: 6px; width: 92%;
}
.am-item-meta {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 8px;
}
.am-item-meta .line { height: 7px; background: #e2e8f0; border-radius: 999px;}
.am-item-meta .l1 { width: 100%; }
.am-item-meta .l2 { width: 75%; }
.am-item-actions {
  display: flex;
  gap: 6px;
}
.am-btn {
  flex: 1;
  height: 22px;
  border-radius: 6px;
  font-size: 9px;
  font-weight: 800;
  display: grid; place-items: center;
}
.am-btn.approve { background: #dcfce7; color: #166534; }
.am-btn.reject  { background: #fee2e2; color: #991b1b; }
.am-status {
  position: absolute;
  top: 6px; left: 6px;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 7px;
  font-weight: 800;
  background: rgba(251, 191, 36, 0.92);
  color: #78350f;
}

/* 积分 */
.pts-header {
  margin: 0 12px 12px;
  border-radius: 16px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #0ea5a5 0%, #009e91 40%, #22d3ee 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.pts-header::before {
  content: '';
  position: absolute; inset: -40% -30% auto auto;
  width: 180px; height: 180px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.22), transparent 60%);
}
.pts-header-label {
  font-size: 9px; font-weight: 600; opacity: 0.85; margin-bottom: 4px; position: relative;
}
.pts-header-num {
  font-size: 26px; font-weight: 900; letter-spacing: -0.02em; line-height: 1; margin-bottom: 10px; position: relative;
}
.pts-header-actions {
  display: flex; gap: 6px; position: relative;
}
.pts-header-actions .pa {
  flex: 1;
  height: 24px;
  border-radius: 8px;
  background: rgba(255,255,255,0.18);
  color: #fff;
  font-size: 9px; font-weight: 700;
  display: grid; place-items: center;
}
.pts-header-actions .pa.on {
  background: #fff;
  color: #009e91;
}
.pts-title-row {
  margin: 0 14px 8px;
  display: flex; justify-content: space-between; align-items: center;
}
.pts-title-row .tl { font-size: 10px; font-weight: 800; color: #0f172a; }
.pts-title-row .tr { font-size: 8px; color: #94a3b8; font-weight: 600; }
.pts-item {
  margin: 0 12px 8px;
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pts-icon {
  width: 32px; height: 32px; border-radius: 10px;
  background: #ecfdf5; color: #059669;
  display: grid; place-items: center; flex-shrink: 0;
}
.pts-icon.blue { background: #eff6ff; color: #2563eb; }
.pts-icon.orange { background: #fff7ed; color: #ea580c; }
.pts-icon.purple { background: #f5f3ff; color: #7c3aed; }
.pts-icon.red { background: #fef2f2; color: #dc2626; }
.pts-body { flex: 1; min-width: 0; }
.pts-t {
  font-size: 10px; font-weight: 700; color: #0f172a; margin-bottom: 3px;
}
.pts-sub {
  font-size: 8px; color: #94a3b8;
}
.pts-amount {
  font-size: 12px; font-weight: 900; color: #059669; letter-spacing: -0.01em;
}
.pts-amount.minus { color: #dc2626; }

/* 消息中心 */
.msg-tabs {
  display: flex;
  margin: 0 12px 10px;
  border-bottom: 1px solid #e2e8f0;
  gap: 14px;
  padding-bottom: 6px;
}
.msg-tab {
  position: relative;
  font-size: 10px;
  font-weight: 700;
  color: #94a3b8;
  padding-bottom: 2px;
}
.msg-tab.on { color: #0f172a; }
.msg-tab.on::after {
  content: ''; position: absolute;
  left: 0; right: 0; bottom: -7px;
  height: 3px;
  background: linear-gradient(90deg, #009e91, #22d3ee);
  border-radius: 999px;
}
.msg-tab .badge {
  position: absolute;
  top: -4px; right: -10px;
  min-width: 14px; height: 14px; padding: 0 4px;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-size: 8px;
  font-weight: 800;
  display: grid; place-items: center;
}
.msg-item {
  margin: 0 12px 8px;
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  position: relative;
}
.msg-item.unread {
  background: #f0fdfa;
}
.msg-item.unread::before {
  content: '';
  position: absolute; top: 12px; right: 10px;
  width: 7px; height: 7px; border-radius: 50%;
  background: #ef4444;
}
.msg-avatar {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, #ccfbf1, #5eead4);
  display: grid; place-items: center;
  color: #009e91;
}
.msg-avatar.blue { background: linear-gradient(135deg, #dbeafe, #93c5fd); color: #1d4ed8; }
.msg-avatar.amber { background: linear-gradient(135deg, #fef3c7, #fcd34d); color: #b45309; }
.msg-avatar.purple { background: linear-gradient(135deg, #ede9fe, #c4b5fd); color: #6d28d9; }
.msg-t {
  font-size: 10px; font-weight: 800; color: #0f172a;
  display: flex; justify-content: space-between;
  margin-bottom: 4px;
}
.msg-t .t { color: #94a3b8; font-weight: 600; font-size: 8px; }
.msg-desc {
  font-size: 9px; color: #64748b; line-height: 1.5;
}

/* ========== 关于我们：公司品牌卡 ========== */
.brand-card {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 34px 30px 30px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  z-index: 1;
}
.brand-watermark {
  position: absolute;
  right: -18px;
  bottom: -18px;
  font-size: clamp(140px, 18vw, 220px);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  background: linear-gradient(135deg, rgba(0,158,145,0.20), rgba(34,211,238,0.18));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  pointer-events: none;
  z-index: 0;
}
.brand-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-badge {
  width: 58px; height: 58px;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(15,23,42,0.06);
  box-shadow: 0 8px 20px rgba(15,23,42,0.06);
  flex-shrink: 0;
}
.brand-badge img { width: 100%; height: 100%; object-fit: cover; }
.brand-meta .cn {
  font-size: 18px; font-weight: 800; color: var(--light-text);
  letter-spacing: -0.01em; margin-bottom: 4px;
}
.brand-meta .en {
  font-size: 10.5px; color: var(--light-text-muted);
  letter-spacing: 0.09em; text-transform: uppercase; font-weight: 600;
}
.brand-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.brand-stat {
  padding: 13px 13px 14px;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: 0 4px 12px rgba(15,23,42,0.04);
  border-radius: 14px;
}
.bs-head {
  display: flex; align-items: center; gap: 7px; margin-bottom: 7px;
}
.bs-icon {
  width: 22px; height: 22px;
  border-radius: 7px;
  display: grid; place-items: center;
  flex-shrink: 0;
  background: #ccfbf1;
  color: #009e91;
}
.bs-icon.blue   { background: #dbeafe; color: #2563eb; }
.bs-icon.purple { background: #ede9fe; color: #7c3aed; }
.bs-icon.amber  { background: #fef3c7; color: #b45309; }
.bs-label {
  font-size: 9.5px;
  font-weight: 700;
  color: var(--light-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.bs-val {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--light-text);
  line-height: 1.35;
  letter-spacing: -0.005em;
}
.bs-sub {
  font-size: 9.5px;
  color: var(--light-text-muted);
  margin-top: 3px;
  line-height: 1.45;
}
.brand-slogan {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding: 11px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.96);
  box-shadow: 0 6px 16px rgba(15,23,42,0.05);
  color: var(--light-text);
  font-size: 12px;
  font-weight: 700;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.brand-slogan::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: linear-gradient(135deg, #009e91, #22d3ee);
  box-shadow: 0 0 0 3px rgba(0,158,145,0.14);
  flex-shrink: 0;
}

@media (max-width: 960px) {
  .mockup-phone { width: 54%; min-width: 200px; }
}

/* ========== 小程序码展示卡片 ========== */
.miniapp-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--light-bg) 0%, var(--light-bg-2) 100%);
}
.miniapp-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 960px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--light-border);
  box-shadow: var(--shadow-lg);
}
@media (max-width: 720px) {
  .miniapp-card { grid-template-columns: 1fr; }
}
.miniapp-visual {
  padding: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #f0fdfa, #ccfbf1);
  position: relative;
  overflow: hidden;
}
.miniapp-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(0, 158, 145, 0.15), transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(34, 211, 238, 0.15), transparent 50%);
}
.miniapp-qr-wrap {
  position: relative;
  z-index: 1;
  width: 200px;
  height: 200px;
  background: #fff;
  border-radius: 20px;
  padding: 16px;
  box-shadow: var(--shadow-lg);
  display: grid;
  place-items: center;
}
.miniapp-qr-wrap svg {
  width: 100%;
  height: 100%;
}
.miniapp-wcs {
  position: relative;
  z-index: 1;
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.06);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #333;
}
.miniapp-wcs svg { flex-shrink: 0; }
.miniapp-info {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.miniapp-info h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.miniapp-info p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--light-text-muted);
  margin-bottom: 8px;
}
.miniapp-info .download-area {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.miniapp-info .btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
  color: #fff;
  text-decoration: none;
  transition: all var(--dur-base) var(--ease-out);
  box-shadow: 0 4px 16px rgba(0, 158, 145, 0.25);
}
.miniapp-info .btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 158, 145, 0.35);
}
.miniapp-info .btn-wechat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  background: #fff;
  color: var(--brand-primary);
  text-decoration: none;
  border: 1px solid var(--light-border);
  transition: all var(--dur-base) var(--ease-out);
}
.miniapp-info .btn-wechat:hover {
  border-color: var(--brand-primary);
  background: rgba(0, 158, 145, 0.04);
}
.miniapp-tips {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--light-bg-2);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--brand-primary);
}
.miniapp-tips p {
  font-size: 13px;
  color: var(--light-text-muted);
  margin: 0;
  line-height: 1.7;
}
.miniapp-tips strong {
  color: var(--light-text);
}

/* ========== VIP 页面 ========== */

/* VIP Hero：覆盖默认 hero 的左右分栏，改为居中单列 */
.vip-hero {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(212, 175, 55, 0.12), transparent 60%),
    var(--dark-bg);
}
.vip-hero-content {
  display: block !important;
  text-align: center;
}
.vip-hero .hero-eyebrow {
  margin: 0 auto 24px;
}
.vip-hero .hero-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* 通用渐变文字（金色，用于 VIP 页面） */
.gradient-text {
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: gradientShift 6s ease-in-out infinite;
}

/* VIP 权益网格沿用 .feature-grid，金色图标本地微调 */
#benefits .card-icon {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.14), rgba(244, 208, 63, 0.14));
}

/* ===== 定价卡片 ===== */
.vip-pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  max-width: 880px;
  margin: 0 auto;
  align-items: stretch;
}
@media (max-width: 720px) {
  .vip-pricing-grid { grid-template-columns: 1fr; gap: 20px; }
}

.vip-plan-card {
  position: relative;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px 32px;
  display: flex;
  flex-direction: column;
  transition: all var(--dur-base) var(--ease-out);
  backdrop-filter: blur(8px);
}
.vip-plan-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.35);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

/* 推荐套餐 */
.vip-plan-card-featured {
  border-color: rgba(212, 175, 55, 0.4);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(212, 175, 55, 0.12), transparent 70%),
    var(--dark-card);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.15);
}
.vip-plan-card-featured:hover {
  border-color: rgba(212, 175, 55, 0.6);
  box-shadow: 0 22px 60px rgba(212, 175, 55, 0.25);
}

/* 套餐徽章 */
.vip-plan-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--dark-text-muted);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--dark-border);
}
.vip-plan-badge-hot {
  color: #1a1a2e;
  background: linear-gradient(135deg, var(--brand-gold), #f4d03f);
  border: none;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.35);
}

/* 价格 */
.vip-plan-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-top: 8px;
  color: var(--dark-text);
}
.vip-plan-currency {
  font-size: 22px;
  font-weight: 600;
  color: var(--brand-gold);
}
.vip-plan-amount {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #fff;
}
.vip-plan-period {
  font-size: 16px;
  color: var(--dark-text-muted);
  margin-left: 4px;
}
.vip-plan-card-featured .vip-plan-amount {
  background: linear-gradient(135deg, var(--brand-gold), #f4d03f);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 原价 */
.vip-plan-original {
  margin-top: 8px;
  font-size: 13px;
  color: var(--dark-text-dim);
  text-decoration: line-through;
}

/* 描述 */
.vip-plan-desc {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dark-text-muted);
}

/* 功能列表 */
.vip-plan-features {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.vip-plan-features li {
  position: relative;
  padding-left: 28px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--dark-text);
}
.vip-plan-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 158, 145, 0.16);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300b9aa' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px 12px;
}
.vip-plan-card-featured .vip-plan-features li::before {
  background-color: rgba(212, 175, 55, 0.18);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23D4AF37' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
}

/* 开通按钮 */
.vip-plan-btn {
  margin-top: 28px;
  width: 100%;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--dur-base) var(--ease-out);
}
.vip-plan-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 158, 145, 0.3);
}

/* 底部说明 */
.vip-notice {
  color: var(--dark-text-muted);
}

/* ===== FAQ ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--light-card);
  border: 1px solid var(--light-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: all var(--dur-base) var(--ease-out);
}
.faq-item:hover {
  border-color: rgba(0, 158, 145, 0.25);
  box-shadow: var(--shadow-sm);
}
.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--light-text);
}
.faq-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--light-text-muted);
}

/* ===== 支付弹窗 ===== */
.vip-pay-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.vip-pay-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 18, 32, 0.72);
  backdrop-filter: blur(6px);
  animation: vipFadeIn var(--dur-base) var(--ease-out);
}
.vip-pay-modal-box {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 36px 32px 32px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  animation: vipModalIn var(--dur-base) var(--ease-out);
}
.vip-pay-modal-box h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--light-text);
}
@keyframes vipFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes vipModalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.vip-pay-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--light-text-muted);
  background: var(--light-bg-2);
  transition: all var(--dur-fast) var(--ease-out);
}
.vip-pay-modal-close:hover {
  background: var(--light-bg-3);
  color: var(--light-text);
  transform: rotate(90deg);
}

/* 二维码区域 */
.vip-qr-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--light-bg-2);
  border-radius: var(--radius-md);
}
.vip-qr-area img {
  background: #fff;
  padding: 8px;
  border: 1px solid var(--light-border);
}
.vip-qr-tip {
  font-size: 13px;
  color: var(--light-text-muted);
  text-align: center;
}

/* 等待支付 */
.vip-pay-pending {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  color: var(--light-text-muted);
}
.vip-pay-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--light-border);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: vipSpin 0.8s linear infinite;
}
@keyframes vipSpin {
  to { transform: rotate(360deg); }
}

/* 支付成功 */
.vip-pay-success {
  text-align: center;
  animation: vipFadeIn var(--dur-base) var(--ease-out);
}
.vip-pay-success h3 {
  font-size: 20px;
  font-weight: 700;
}
.vip-pay-success .btn-primary {
  display: inline-block;
  margin-top: 16px;
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
}

@media (max-width: 480px) {
  .vip-pay-modal-box { padding: 28px 20px 24px; }
  .vip-plan-card { padding: 32px 24px 24px; }
  .vip-plan-amount { font-size: 48px; }
}

/* ========== 登录页 ========== */
.login-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) 20px 60px;
}
.login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  text-align: center;
}
@media (max-width: 480px) {
  .login-card { padding: 36px 24px; }
}
.login-section {
  animation: vipFadeIn var(--dur-base) var(--ease-out);
}
.login-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0, 158, 145, 0.18), rgba(34, 211, 238, 0.18));
  display: grid;
  place-items: center;
  color: var(--brand-primary-light);
}
.login-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 12px;
}
.login-subtitle {
  font-size: 15px;
  color: var(--dark-text-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}
.login-qr-box {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}
.login-qr-box iframe {
  border: none !important;
}
.login-tip {
  font-size: 13px;
  color: var(--dark-text-dim);
}
.login-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--dark-border);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: vipSpin 0.8s linear infinite;
  margin: 0 auto 24px;
}
.login-success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 158, 145, 0.2), rgba(34, 211, 238, 0.2));
  display: grid;
  place-items: center;
  color: var(--brand-primary-light);
}
.login-btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  margin-top: 8px;
}
.login-back-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  color: var(--dark-text-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.login-back-link:hover {
  color: var(--dark-text);
}

/* ========== 导航栏用户区域 ========== */
.nav-user {
  display: flex;
  align-items: center;
  margin-left: 12px;
  flex-shrink: 0;
}
.nav-login-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: rgba(0, 158, 145, 0.12);
  color: var(--brand-primary-light);
  border: 1px solid rgba(0, 158, 145, 0.3);
  transition: all var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.nav-login-btn:hover {
  background: rgba(0, 158, 145, 0.2);
  border-color: rgba(0, 158, 145, 0.5);
}
.site-nav.scrolled .nav-login-btn {
  color: var(--brand-primary);
  background: rgba(0, 158, 145, 0.08);
  border-color: rgba(0, 158, 145, 0.2);
}

.nav-user-info {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--dark-border);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
/* 透明桥梁：鼠标从胶囊慢慢移动到下拉菜单时，始终维持 hover 状态 */
.nav-user-info::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 16px;
  background: transparent;
  pointer-events: none;
}
/* hover 生效时扩大桥梁宽度，覆盖下拉菜单可能超出的区域 */
.nav-user-info:hover::after {
  left: -20px;
  right: -20px;
  height: 20px;
  pointer-events: auto;
}
.site-nav.scrolled .nav-user-info {
  background: var(--light-bg-2);
  border-color: var(--light-border);
}
.nav-user-info:hover .nav-user-dropdown {
  display: block;
}
.nav-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}
.nav-user-avatar-placeholder {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.nav-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-text);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.site-nav.scrolled .nav-user-name {
  color: var(--light-text);
}
.nav-user-vip-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--brand-gold), #f4d03f);
  color: #1a1a2e;
  letter-spacing: 0.05em;
}
.nav-user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 120px;
  background: #fff;
  border: 1px solid var(--light-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 4px;
  z-index: 200;
}
.nav-user-dropdown-item {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--light-text);
  border-radius: var(--radius-sm);
  transition: all var(--dur-fast) var(--ease-out);
}
.nav-user-dropdown-item:hover {
  background: var(--light-bg-2);
  color: var(--brand-primary);
}

@media (max-width: 720px) {
  .nav-user { margin-left: 0; margin-top: 12px; }
  .nav-user-name { max-width: 60px; }
}