:root{
  --primary:#ff5e7e;
  --primary-2:#ff9052;
  --primary-dark:#e04a6b;
  --primary-light:#fff0f5;
  --dark:#241a35;
  --text:#2c2536;
  --muted:#6f6780;
  --border:#f0e8f4;
  --bg:#fbf9fd;
  --card:#ffffff;
  --ok:#27b06b;
  --no:#d64550;
  --grad:linear-gradient(135deg,var(--primary-2),var(--primary));
  --glow:0 6px 14px rgba(255,94,126,.3);
  --glow-lg:0 8px 20px rgba(255,94,126,.3);
  --shadow:0 6px 18px rgba(36,26,53,.06);
  --shadow-hover:0 14px 30px rgba(36,26,53,.13);
  --radius:16px;
  --radius-lg:22px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;width:100%;height:auto}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:88px 0}

/* 导航 */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{height:64px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--dark);flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{font-size:14px;font-weight:500;color:var(--muted);padding:7px 11px;border-radius:9px;transition:color .2s,background .2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary);background:var(--primary-light)}
.nav-links a.active{font-weight:700}
.nav-btn{flex-shrink:0;margin-left:14px;background:var(--grad);color:#fff;font-size:14px;font-weight:700;padding:9px 20px;border-radius:999px;box-shadow:var(--glow);transition:transform .25s,box-shadow .25s}
.nav-btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(255,94,126,.4)}

/* 通用 */
.sec-head{text-align:center;max-width:680px;margin:0 auto 50px}
.sec-eyebrow{display:inline-block;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:700;padding:5px 16px;border-radius:999px;margin-bottom:16px}
.sec-head h2{font-size:32px;font-weight:800;color:var(--dark);margin-bottom:12px;line-height:1.3}
.sec-head p{color:var(--muted);font-size:15px}
.v-pill{display:inline-block;vertical-align:middle;margin-left:12px;background:var(--grad);color:#fff;font-size:14px;font-weight:700;padding:5px 15px;border-radius:999px;box-shadow:var(--glow)}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--grad);color:#fff;font-size:16px;font-weight:700;padding:14px 32px;border-radius:999px;box-shadow:var(--glow-lg);transition:transform .25s,box-shadow .25s}
.btn:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(255,94,126,.42)}
.btn-ghost{background:#fff;color:var(--primary-dark);border:2px solid var(--primary);box-shadow:none}
.btn-ghost:hover{box-shadow:0 12px 24px rgba(255,94,126,.22)}

/* 首屏 */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,#fff5f8 100%);padding:76px 0 96px}
.hero::before{content:"";position:absolute;width:540px;height:540px;border-radius:50%;background:radial-gradient(circle,rgba(255,94,126,.16),transparent 70%);top:-160px;right:-120px}
.hero::after{content:"";position:absolute;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(255,144,82,.14),transparent 70%);bottom:-140px;left:-110px}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy h1{font-size:46px;line-height:1.25;font-weight:800;color:var(--dark);letter-spacing:.5px}
.hero-sub{margin:22px 0 32px;font-size:17px;color:var(--muted);max-width:540px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-trust{display:flex;gap:20px;margin-top:28px;color:var(--muted);font-size:13px}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}
.hero-img{position:relative;justify-self:center}
.img-card{max-width:350px;margin:0 auto;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-hover);background:var(--card)}
.float-badge{position:absolute;background:#fff;border:1px solid var(--border);border-radius:12px;padding:9px 16px;box-shadow:var(--shadow);font-size:13px;font-weight:600;color:var(--text);white-space:nowrap}
.float-badge b{color:var(--primary);font-size:15px}
.float-badge.top{top:16px;left:-20px}
.float-badge.bottom{bottom:16px;right:-20px}

/* 作品预览 */
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.preview-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.preview-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.p-info{padding:14px 16px 16px}
.p-info h3{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:2px}
.p-info span{font-size:12px;color:var(--muted)}

/* 产品介绍 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-copy h3{font-size:26px;font-weight:800;color:var(--dark);margin-bottom:16px;line-height:1.4}
.about-copy p{color:var(--muted);font-size:15px;margin-bottom:14px}
.about-list{margin-top:22px;display:grid;gap:12px}
.about-list li{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:500;color:var(--text)}
.about-list i{width:22px;height:22px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;font-weight:800;flex-shrink:0}
.about-card{position:relative;overflow:hidden;background:var(--dark);color:#fff;border-radius:var(--radius-lg);padding:38px 34px}
.about-card::before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,94,126,.45),transparent 70%);top:-90px;right:-90px}
.about-card::after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(255,144,82,.35),transparent 70%);bottom:-70px;left:-60px}
.about-card h4,.about-card p{position:relative}
.about-card h4{font-size:20px;font-weight:800;margin-bottom:8px}
.about-card p{color:rgba(255,255,255,.72);font-size:14px}
.about-metric{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.about-metric div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:14px 16px}
.about-metric b{font-size:24px;color:#fff;font-weight:800}
.about-metric span{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-top:2px}

/* 核心功能 */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-icon{width:52px;height:52px;border-radius:14px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-icon svg{width:26px;height:26px;color:var(--primary-dark)}
.feature-card h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--muted)}

/* 优势对比 */
.compare-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.compare table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:15px}
.compare th,.compare td{padding:17px 20px;text-align:center;border-bottom:1px solid var(--border)}
.compare th:first-child,.compare td:first-child{text-align:left}
.compare thead th{background:#fdf5fa;color:var(--dark)}
.compare tbody tr:last-child td{border-bottom:none}
.compare th:nth-child(2),.compare td:nth-child(2){background:var(--primary-light)}
.compare tbody td.yes{color:var(--ok);font-weight:700}
.compare tbody td.no{color:var(--no);font-weight:600}

/* 平台数据 */
.data{background:var(--dark)}
.data .sec-head h2{color:#fff}
.data .sec-head p{color:rgba(255,255,255,.62)}
.data .sec-eyebrow{background:rgba(255,255,255,.12);color:#ffb9ca}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data-card{text-align:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:36px 20px;transition:transform .3s,box-shadow .3s}
.data-card:hover{transform:translateY(-6px);box-shadow:0 16px 30px rgba(0,0,0,.25)}
.data-card b{font-size:42px;font-weight:800;color:#ff7a96;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.data-card span{display:block;margin-top:10px;color:rgba(255,255,255,.68);font-size:14px}

/* 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:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.review-meta{display:flex;flex-direction:column;line-height:1.35}
.review-name{font-size:15px;font-weight:600;color:var(--dark)}
.review-stars{color:#ffb020;font-size:13px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--muted)}

/* 版本更新 */
.version-card{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:40px 44px}
.version-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:6px}
.version-head h3{font-size:24px;font-weight:800;color:var(--dark)}
.version-badge{background:var(--grad);color:#fff;font-size:14px;font-weight:700;padding:6px 18px;border-radius:999px;box-shadow:var(--glow)}
.version-date{color:var(--muted);font-size:14px;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.version-date::before,.version-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary)}
.version-list li{position:relative;padding:11px 0 11px 28px;color:var(--text);font-size:15px;border-bottom:1px dashed var(--border)}
.version-list li:last-child{border-bottom:none}
.version-list li::before{position:absolute;left:8px;top:21px}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .3s,border-color .3s}
.faq-item.open{border-color:#ffcbd8;box-shadow:var(--shadow-hover)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:19px 24px;background:none;border:none;font-size:16px;font-weight:600;color:var(--dark);text-align:left}
.faq-icon{width:26px;height:26px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0;transition:.3s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:14px}

/* 下载区域 */
.download{background:linear-gradient(160deg,#241a35 0%,#3a2345 55%,#4a2440 100%)}
.download-card{max-width:720px;margin:0 auto;text-align:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);padding:58px 44px;backdrop-filter:blur(6px)}
.download-card h1{color:#fff;font-size:36px;font-weight:800;letter-spacing:.5px}
.download-meta{color:rgba(255,255,255,.7);font-size:14px;margin:14px 0 32px;display:flex;justify-content:center;gap:28px}
.download-btns{display:flex;justify-content:center;gap:16px}
.download-btns .btn{background:#fff;color:var(--primary-dark);box-shadow:0 10px 24px rgba(0,0,0,.22)}
.download-btns .btn:hover{box-shadow:0 16px 32px rgba(0,0,0,.3)}
.download-tip{margin-top:24px;color:rgba(255,255,255,.72);font-size:14px}

/* 页脚 */
.footer{background:#1d1530;color:rgba(255,255,255,.58);text-align:center;padding:30px 20px;font-size:13px}
.footer a{color:rgba(255,255,255,.88);transition:color .2s}
.footer a:hover{color:#fff}

/* 返回顶部 */
.back-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;border:none;font-size:20px;line-height:1;box-shadow:var(--glow-lg);opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s;z-index:99}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{transform:translateY(-3px)}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 平板 */
@media (max-width:992px){
  .hero-inner{gap:40px}
  .hero-copy h1{font-size:38px}
  .preview-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .compare th,.compare td{padding:14px 14px;font-size:14px}
}

/* 手机 */
@media (max-width:768px){
  .container{padding:0 20px}
  section{padding:60px 0}
  .nav-inner{height:56px}
  .logo{font-size:18px}
  .logo-mark{width:30px;height:30px;font-size:15px;border-radius:9px}
  .nav-links{display:none}
  .nav-btn{margin-left:auto;padding:10px 18px;font-size:13px}
  .hero{padding:44px 0 60px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-copy{text-align:center}
  .hero-copy h1{font-size:30px}
  .hero-sub{margin:18px auto 26px;font-size:15px}
  .hero-btns{flex-direction:column;width:100%}
  .hero-btns .btn{width:100%;padding:14px 20px;font-size:15px}
  .hero-trust{justify-content:center;font-size:14px}
  .img-card{max-width:300px}
  .float-badge.top{left:0}
  .float-badge.bottom{right:0}
  .sec-head{margin-bottom:36px}
  .sec-head h2{font-size:26px}
  .preview-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .data-card{padding:28px 14px}
  .data-card b{font-size:32px}
  .version-card{padding:30px 24px}
  .version-head h3{font-size:20px}
  .download-card{padding:44px 24px}
  .download-card h1{font-size:27px}
  .download-meta{font-size:12px;gap:12px;white-space:nowrap;margin:12px 0 26px}
  .download-btns{flex-direction:column;width:100%}
  .download-btns .btn{width:100%;padding:14px 20px;font-size:15px}
  .back-top{right:16px;bottom:16px;width:42px;height:42px}
}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}