@charset "UTF-8";

/* ===== 变量与重置 ===== */
:root {
  --bg: #0a0e27;
  --bg-deep: #07091c;
  --card: #121736;
  --card-2: #1a2040;
  --primary: #ff4081;
  --primary-2: #f50057;
  --secondary: #7c4dff;
  --accent: #00d4ff;
  --text: #ffffff;
  --muted: #aab3d1;
  --border: rgba(255,255,255,0.06);
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
  --shadow-pink: 0 12px 35px rgba(255,64,129,0.25);
  --glow: 0 0 35px rgba(255,64,129,0.15);
  --max: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,h5,h6,p { margin: 0; }

/* ===== 工具类 ===== */
.container { width: min(92%, var(--max)); margin: 0 auto; }
.section { padding: 90px 0; position: relative; }
.section-title { font-size: clamp(1.7rem, 3.6vw, 2.6rem); line-height: 1.25; margin-bottom: 14px; }
.section-subtitle { color: var(--muted); font-size: 1.05rem; max-width: 680px; margin-bottom: 48px; }
.accent { color: var(--primary); }
.secondary-text { color: var(--secondary); }
.flex { display: flex; align-items: center; }
.grid { display: grid; gap: 22px; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.tag {
  display: inline-block; padding: 6px 14px; border-radius: 999px; font-size: .85rem;
  background: rgba(255,64,129,0.12); color: var(--primary); border: 1px solid rgba(255,64,129,0.25);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 34px; border-radius: 999px; font-size: 1.05rem; font-weight: 700;
  border: none; cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; box-shadow: var(--shadow-pink);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 45px rgba(255,64,129,0.38); }
.btn-outline {
  background: transparent; color: var(--text); border: 1px solid var(--border);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn svg { width: 20px; height: 20px; fill: currentColor; }

/* ===== 导航 ===== */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 1000;
  background: rgba(7,9,28,0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border); transition: background .25s;
}
.nav { height: 74px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 42px; width: auto; border-radius: 10px; }
.logo span { font-size: 1.35rem; font-weight: 800; letter-spacing: .5px; }
.nav-links { display: flex; gap: 36px; }
.nav-links a { font-size: .97rem; color: var(--muted); position: relative; transition: color .2s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--primary); border-radius: 2px; transition: width .25s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 11px 24px; font-size: .95rem; }
.menu-toggle { display: none; width: 28px; height: 22px; flex-direction: column; justify-content: space-between; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; }

/* ===== Hero ===== */
.hero {
  display: flex; align-items: center; padding: 130px 0 90px;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 80% 20%, rgba(124,77,255,0.18), transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(255,64,129,0.14), transparent 40%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px; background: var(--card); border: 1px solid var(--border); margin-bottom: 24px; font-size: .9rem; color: var(--muted); }
.hero-badge svg { width: 16px; height: 16px; fill: var(--primary); }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4.2rem); line-height: 1.1; margin-bottom: 22px; }
.hero h1 span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.15rem; color: var(--muted); max-width: 540px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 46px; }
.hero-stat strong { display: block; font-size: 1.9rem; color: var(--text); }
.hero-stat span { font-size: .9rem; color: var(--muted); }

.hero-phones { position: relative; display: flex; justify-content: center; }
.phone-frame {
  width: 270px; border-radius: 34px; overflow: hidden; background: #000;
  border: 6px solid #1f2549; box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,0.06);
  transform: perspective(1000px) rotateY(-8deg) rotateX(4deg); transition: transform .4s var(--ease);
}
.phone-frame:nth-child(2) { position: absolute; right: 30px; top: 80px; width: 250px; transform: perspective(1000px) rotateY(12deg) rotateX(4deg); opacity: .92; z-index: -1; }
.phone-frame:hover { transform: perspective(1000px) rotateY(0) rotateX(0) scale(1.02); }
.phone-frame img { width: 100%; height: auto; }

/* ===== 功能卡片 ===== */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 24px; transition: transform .3s, box-shadow .3s, border-color .3s;
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--glow); border-color: rgba(255,64,129,0.25); }
.feature-icon {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(255,64,129,0.18), rgba(124,77,255,0.18));
  margin-bottom: 20px; color: var(--primary);
}
.feature-icon svg { width: 28px; height: 28px; fill: currentColor; }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.feature-card p { font-size: .95rem; color: var(--muted); line-height: 1.65; }

/* ===== 截图展示 ===== */
.screenshots-wrap { position: relative; }
.screenshots-scroll {
  display: flex; gap: 24px; overflow-x: auto; padding: 20px 10px 30px; scroll-snap-type: x mandatory;
  scrollbar-width: thin; scrollbar-color: var(--primary) var(--bg-deep);
}
.screenshots-scroll::-webkit-scrollbar { height: 8px; }
.screenshots-scroll::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }
.screenshots-scroll::-webkit-scrollbar-track { background: var(--bg-deep); }
.screenshot-item {
  flex: 0 0 240px; scroll-snap-align: center;
  border-radius: 24px; overflow: hidden; background: #000;
  border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 18px 45px rgba(0,0,0,0.35);
  transition: transform .3s;
}
.screenshot-item:hover { transform: translateY(-8px) scale(1.02); }
.screenshot-item img { width: 100%; height: auto; }
.screenshot-label { text-align: center; padding: 12px; font-size: .9rem; color: var(--muted); }

/* ===== 深度模块入口 ===== */
.module-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.module-card {
  background: linear-gradient(135deg, var(--card), rgba(26,32,64,0.6));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 36px;
  position: relative; overflow: hidden; transition: transform .3s, border-color .3s;
}
.module-card::before {
  content: ""; position: absolute; top: -60px; right: -60px; width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(255,64,129,0.18), transparent 70%); pointer-events: none;
}
.module-card:hover { transform: translateY(-6px); border-color: rgba(124,77,255,0.35); }
.module-card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.module-card p { color: var(--muted); margin-bottom: 22px; }
.module-card a { color: var(--primary); font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.module-card a svg { width: 18px; height: 18px; fill: currentColor; }

/* ===== 用户评价 ===== */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; position: relative;
}
.review-stars { color: #ffcd3c; font-size: 1.05rem; margin-bottom: 14px; letter-spacing: 2px; }
.review-card q { display: block; font-size: .98rem; color: #d7dce8; margin-bottom: 20px; line-height: 1.7; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: grid; place-items: center; font-weight: 700; font-size: 1rem;
}
.review-author strong { display: block; font-size: .95rem; }
.review-author span { font-size: .8rem; color: var(--muted); }

/* ===== FAQ 首页预览 ===== */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 22px 0; font-size: 1.05rem; text-align: left; background: transparent; color: var(--text); border: none; cursor: pointer;
}
.faq-q:hover { color: var(--primary); }
.faq-q svg { width: 20px; height: 20px; fill: currentColor; transition: transform .25s; }
.faq-item.active .faq-q svg { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.faq-a-inner { padding: 0 0 22px; color: var(--muted); line-height: 1.75; }

/* ===== 内页通用内容区 ===== */
.page-hero { padding: 150px 0 70px; text-align: center; background: var(--bg-deep); position: relative; }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(124,77,255,0.12), transparent 55%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); margin-bottom: 14px; }
.page-hero p { color: var(--muted); font-size: 1.1rem; max-width: 700px; margin: 0 auto; }

.content-section { padding: 60px 0; }
.content-section h2 { font-size: 1.7rem; margin: 50px 0 18px; }
.content-section h3 { font-size: 1.25rem; color: var(--accent); margin: 30px 0 12px; }
.content-section p, .content-section li { color: #c6cbe0; font-size: 1.02rem; }
.content-section ul { list-style: disc; padding-left: 22px; margin: 14px 0; }
.content-section ol { list-style: decimal; padding-left: 22px; margin: 14px 0; }
.content-section li { margin: 8px 0; }
.content-section a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

/* 步骤卡片 */
.step-card {
  display: flex; gap: 22px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px; margin: 22px 0;
}
.step-number {
  flex: 0 0 52px; height: 52px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary)); font-size: 1.4rem; font-weight: 800;
}
.step-body h3 { margin: 0 0 8px; color: var(--text); font-size: 1.15rem; }
.step-body p { margin: 0; }

/* 功能详解卡片 */
.deep-feature {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px; margin: 24px 0;
}
.deep-feature header { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.deep-feature .feature-icon { margin: 0; }
.deep-feature h3 { margin: 0; font-size: 1.25rem; }
.deep-feature ul { margin: 14px 0 0; }

/* FAQ 详情页 */
.faq-page .faq-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 14px; padding: 0 22px; }
.faq-page .faq-q { padding: 18px 0; font-size: 1.02rem; }
.faq-page .faq-a-inner { padding: 0 0 18px; }

/* 相关内容推荐 */
.related-box {
  background: linear-gradient(135deg, rgba(124,77,255,0.12), rgba(255,64,129,0.08));
  border: 1px solid rgba(124,77,255,0.25); border-radius: var(--radius); padding: 28px 32px; margin: 40px 0;
}
.related-box h4 { font-size: 1.1rem; margin-bottom: 12px; }
.related-box ul { list-style: none; padding: 0; }
.related-box li { margin: 8px 0; }
.related-box a { color: var(--accent); font-weight: 600; }

/* ===== CTA 横幅 ===== */
.cta-band {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  border-radius: 30px; padding: 60px; text-align: center; margin: 40px 0;
  position: relative; overflow: hidden;
}
.cta-band h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 12px; }
.cta-band p { opacity: .92; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-band .btn { background: #fff; color: var(--primary); box-shadow: 0 12px 35px rgba(0,0,0,0.2); }

/* ===== 底部 ===== */
.footer { background: var(--bg-deep); border-top: 1px solid var(--border); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer-brand img { height: 46px; margin-bottom: 14px; }
.footer-brand p { color: var(--muted); font-size: .92rem; }
.footer h4 { font-size: 1rem; margin-bottom: 18px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--muted); font-size: .93rem; transition: color .2s; }
.footer-links a:hover { color: var(--primary); }
.footer-disclaimer {
  border-top: 1px solid var(--border); padding-top: 24px; color: var(--muted); font-size: .85rem;
  text-align: center; line-height: 1.8;
}
.footer-disclaimer a { color: var(--muted); text-decoration: underline; }

/* ===== 动画 ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.reveal.show { opacity: 1; transform: translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p, .hero-actions { justify-content: center; margin-left: auto; margin-right: auto; }
  .hero-stats { justify-content: center; }
  .hero-phones { order: -1; margin-bottom: 30px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .nav-cta .btn-outline { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .phone-frame:nth-child(2) { display: none; }
  .hero-phones .phone-frame { width: 220px; transform: none; }
  .section { padding: 64px 0; }
  .cta-band { padding: 40px 22px; }
}