/* ================= 零变量版 ================= */

/* ---- 全局 reset ---- */
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background-color: #f8fafc;
  color: #0f172a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "Noto Sans SC", sans-serif,
               "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- 基础框架 ---- */
.zwpweb-root {
  width: 100%;
  position: relative;
  margin: 0;
  padding: 0;
  font-size: 16px;
}
.zwpweb-root *,
.zwpweb-root *::before,
.zwpweb-root *::after { box-sizing: border-box; }
.zwpweb-root h1,
.zwpweb-root h2,
.zwpweb-root h3,
.zwpweb-root h4,
.zwpweb-root p { margin-top: 0; }
.zwpweb-root a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

/* ---- 动画 ---- */
@keyframes float_zwpweb {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-10px); }
  100% { transform: translateY(0); }
}
.reveal_zwpweb {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal_zwpweb.active_zwpweb {
  opacity: 1;
  transform: translateY(0);
}

/* ---- 导航栏 ---- */
.navbar_zwpweb {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.navbar_zwpweb a { text-decoration: none; }
.nav-container_zwpweb {
/*  max-width: 1280px;*/
  margin: 0 auto;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.nav-logo_zwpweb img { height: 32px; display: block; }
.nav-menu_zwpweb { display: flex; gap: 32px; }
.nav-link_zwpweb {
  color: #475569;
  font-size: 14px;
  font-weight: 500;
  position: relative;
  padding: 8px 0;
}
.nav-link_zwpweb:hover { color: #3b82f6; }
.nav-link_zwpweb::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 4px;
  left: 0;
  background-color: #3b82f6;
  transition: width 0.3s ease;
}
.nav-link_zwpweb:hover::after { width: 100%; }

/* ---- 汉堡菜单 ---- */
.mobile-menu-btn_zwpweb {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 1001;
  padding: 0;
  justify-content: center;
  align-items: center;
}
.mobile-menu-icon_zwpweb {
  width: 20px;
  height: 2px;
  background: #0f172a;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: background 0.3s ease;
  border-radius: 2px;
}
.mobile-menu-icon_zwpweb::before,
.mobile-menu-icon_zwpweb::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 2px;
  background: #0f172a;
  left: 0;
  transition: top 0.3s ease, transform 0.3s ease;
  border-radius: 2px;
}
.mobile-menu-icon_zwpweb::before { top: -6px; }
.mobile-menu-icon_zwpweb::after { top: 6px; }
.mobile-menu-btn_zwpweb.active .mobile-menu-icon_zwpweb { background: transparent; }
.mobile-menu-btn_zwpweb.active .mobile-menu-icon_zwpweb::before { top: 0; transform: rotate(45deg); }
.mobile-menu-btn_zwpweb.active .mobile-menu-icon_zwpweb::after { top: 0; transform: rotate(-45deg); }

/* ---- Hero ---- */
.hero-section_zwpweb {
  position: relative;
  background: radial-gradient(circle at 80% 20%, #1e293b 0%, #0f172a 100%);
  padding: 80px 24px 60px;
  color: #ffffff;
  overflow: hidden;
}
.hero-section_zwpweb::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-container_zwpweb {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}
.hero-badge_zwpweb {
  display: inline-flex;
  align-items: center;
  background: rgba(59, 130, 246, 0.1);
  color: #93c5fd;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(59, 130, 246, 0.2);
  line-height: 1.2;
}
.hero-badge_zwpweb::before {
  content: "v3.2.1";
  background: #3b82f6;
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 8px;
  margin-right: 8px;
  line-height: 1.4;
}
.hero-title_zwpweb {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 20px 0;
  letter-spacing: -1.5px;
  background: linear-gradient(to right, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle_zwpweb {
  font-size: 18px;
  color: #94a3b8;
  margin-bottom: 32px;
  font-weight: 400;
  max-width: 95%;
  line-height: 1.7;
}
.hero-btns_zwpweb { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }

.btn-primary_zwpweb {
  background: #3b82f6;
  color: white;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary_zwpweb:hover {
  transform: translateY(-1px);
  background: #2563eb;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary_zwpweb {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 500;
  backdrop-filter: blur(4px);
}
.btn-secondary_zwpweb:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.npm-install-box_zwpweb {
  display: inline-flex;
  align-items: center;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 8px 14px;
  font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.2s;
}
.npm-install-box_zwpweb:hover {
  border-color: #3b82f6;
  color: white;
}
.npm-icon_zwpweb { margin-right: 10px; opacity: 0.7; color: #10b981; }
.npm-copy_zwpweb { margin-left: auto; padding-left: 15px; opacity: 0.5; font-size: 12px; }

.hero-image-wrapper_zwpweb { position: relative; animation: float_zwpweb 6s ease-in-out infinite; }
.hero-image_zwpweb {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1),
              0 25px 60px -15px rgba(0, 0, 0, 0.6);
}

/* ---- 对比网格 ---- */
.comparison-section_zwpweb {
  background: #f8fafc;
  padding: 80px 24px 40px;
}
.section-header_zwpweb {
  text-align: center;
  margin-bottom: 60px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.section-header_zwpweb h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
  color: #0f172a;
  letter-spacing: -0.5px;
}
.section-header_zwpweb p { color: #475569; font-size: 18px; }

.grid-wrapper_zwpweb {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.compare-card_zwpweb {
  background: #ffffff;
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
  border: 1px solid rgba(226, 232, 240, 0.6);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
}
.compare-card_zwpweb:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
}
.card-header_zwpweb { margin-bottom: 20px; display: flex; align-items: center; gap: 14px; }
.icon-box_zwpweb {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: 8px; background: #eff6ff; color: #3b82f6; font-size: 20px; flex-shrink: 0;
}
.card-header_zwpweb h3 { margin: 0; font-size: 18px; font-weight: 700; color: #0f172a; }

.pain-point_zwpweb,
.gain-point_zwpweb { position: relative; padding-left: 26px; margin-bottom: 12px; }
.pain-point_zwpweb::before {
  content: "✕"; position: absolute; left: 0; top: 2px; color: #ef4444;
  background: #fef2f2; width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center; border-radius: 50%;
  font-size: 10px; font-weight: bold;
}
.gain-point_zwpweb::before {
  content: "✓"; position: absolute; left: 0; top: 16px; color: #10b981;
  background: #ecfdf5; width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center; border-radius: 50%;
  font-size: 10px; font-weight: bold;
}
.point-text_zwpweb { font-size: 14px; line-height: 1.5; margin: 0; }
.pain-point_zwpweb .point-text_zwpweb { color: #94a3b8; text-decoration: line-through; text-decoration-color: #cbd5e1; }
.gain-point_zwpweb .point-text_zwpweb { color: #334155; font-weight: 500; }
.gain-point_zwpweb .point-text_zwpweb strong { color: #0f172a; font-weight: 700; }
.gain-point_zwpweb { margin-top: auto; padding-top: 14px; border-top: 1px dashed #e2e8f0; }

/* ---- 特性详情 ---- */
.features-section_zwpweb {
  padding: 40px 24px 80px;
  max-width: 1100px;
  margin: 0 auto;
}
.feature-item_zwpweb {
  display: flex; align-items: center; gap: 80px; margin-bottom: 80px;
}
.feature-item_zwpweb:last-child { margin-bottom: 0; }
.feature-item_zwpweb:nth-child(even) { flex-direction: row-reverse; }

.feature-text_zwpweb { flex: 1; }
.feature-text_zwpweb h3 {
  font-size: 30px; font-weight: 800; margin-bottom: 16px; color: #0f172a; letter-spacing: -0.5px;
}
.feature-text_zwpweb p { font-size: 17px; color: #475569; line-height: 1.6; }

.feature-image_zwpweb {
  flex: 1; display: flex; justify-content: center; align-items: center;
  background: white; padding: 30px; border-radius: 24px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  border: 1px solid #f1f5f9;
  transform: perspective(1000px) rotateY(5deg); transition: transform 0.5s ease;
}
.feature-item_zwpweb:hover .feature-image_zwpweb { transform: perspective(1000px) rotateY(0); }
.feature-image_zwpweb:nth-child(even) { transform: perspective(1000px) rotateY(-5deg); }
.feature-image_zwpweb img { width: 60%; height: auto; filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1)); }

/* ---- Footer ---- */
.footer_zwpweb {
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 24px 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer_zwpweb a { text-decoration: none; color: #94a3b8; }

.footer-main_zwpweb {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 2fr; gap: 40px;
}
.footer-col_zwpweb h4 { color: white; margin-bottom: 20px; font-size: 15px; font-weight: 600; }
.footer-col_zwpweb p { font-size: 14px; margin-bottom: 10px; }
.footer-links_zwpweb { list-style: none; padding: 0; margin: 0; }
.footer-links_zwpweb li { margin-bottom: 10px; }
.footer-links_zwpweb a { color: #94a3b8; transition: color 0.2s; font-size: 14px; }
.footer-links_zwpweb a:hover { color: white; }

.qr-wrapper_zwpweb { display: flex; gap: 20px; }
.qr-box_zwpweb { text-align: center; }
.qr-box_zwpweb img { width: 90px; height: 90px; background: white; padding: 5px; border-radius: 6px; margin-bottom: 8px; }
.qr-box_zwpweb p { font-size: 12px; margin: 0; opacity: 0.8; }

.footer-bottom_zwpweb {
  max-width: 1280px; margin: 50px auto 0; padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center; font-size: 13px; color: #64748b;
}

/* ---- 响应式（保持原逻辑，数值已固化） ---- */
@media (max-width: 1024px) {
  .hero-section_zwpweb { padding: 60px 24px 40px; }
  .hero-container_zwpweb { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-btns_zwpweb { justify-content: center; }
  .hero-subtitle_zwpweb { margin-left: auto; margin-right: auto; }
  .hero-image-wrapper_zwpweb { max-width: 80%; margin: 0 auto; }
  .grid-wrapper_zwpweb { grid-template-columns: 1fr 1fr; }
  .feature-image_zwpweb { transform: none !important; }
}

@media (max-width: 768px) {
  .mobile-menu-btn_zwpweb { display: flex; }
  .nav-menu_zwpweb {
    position: fixed; top: 70px; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(15px);
    flex-direction: column; gap: 0; padding: 10px 0 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    display: none; border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    max-height: calc(100vh - 70px); overflow-y: auto;
  }
  .nav-menu_zwpweb.active { display: flex; animation: slideDown 0.25s ease-out forwards; }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .nav-link_zwpweb {
    padding: 14px 24px; font-size: 16px; border-bottom: 1px solid #f8fafc; text-align: center;
  }
  .nav-link_zwpweb:last-child { border-bottom: none; }
  .nav-link_zwpweb::after { display: none; }

  .nav-container_zwpweb { padding: 0 16px; }
  .hero-section_zwpweb { padding: 50px 16px 48px; }
  .comparison-section_zwpweb { padding: 48px 16px 20px; }
  .features-section_zwpweb { padding: 20px 16px 50px; }

  .hero-title_zwpweb { font-size: 36px; margin-bottom: 16px; }
  .hero-subtitle_zwpweb { font-size: 15px; line-height: 1.6; text-align: justify; }

  .section-header_zwpweb { margin-bottom: 30px; }
  .section-header_zwpweb h2 { font-size: 28px; }
  .section-header_zwpweb p {
    font-size: 14px; padding: 0 4px; margin-bottom: 0; letter-spacing: -0.2px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  @media (max-width: 360px) {
    .section-header_zwpweb p { white-space: normal; }
  }

  .compare-card_zwpweb { padding: 20px; }
  .point-text_zwpweb { font-size: 13.5px; letter-spacing: -0.1px; }

  .grid-wrapper_zwpweb,
  .footer-main_zwpweb { grid-template-columns: 1fr; gap: 16px; }

  .feature-item_zwpweb { flex-direction: column !important; text-align: center; gap: 24px; margin-bottom: 50px; }
  .feature-image_zwpweb { width: 100%; padding: 24px; }
  .feature-text_zwpweb h3 { font-size: 24px; }
  .feature-text_zwpweb p { font-size: 15px; text-align: justify; }

  .footer_zwpweb { padding: 40px 16px 24px; }
  .footer-col_zwpweb {
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 24px;
  }
  .footer-col_zwpweb:last-child { border-bottom: none; }
  .qr-wrapper_zwpweb { justify-content: center; }
}