:root{
  --primary:#FF5C8A;
  --primary-deep:#E04A76;
  --primary-light:#FFDCE8;
  --primary-soft:#FF9DB8;
  --accent:#FF8FB0;
  --ok:#2E9E5B;
  --no:#C96A7F;
  --bg:#FFF8FA;
  --card:#FFFFFF;
  --border:#FFE3EC;
  --text:#3B2430;
  --text-sub:#7C5B6A;
  --dark:#2E1522;
  --radius:16px;
  --shadow:0 10px 30px rgba(255,92,138,.12);
  --shadow-hover:0 16px 40px rgba(255,92,138,.22);
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
section[id]{scroll-margin-top:76px}

.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,248,250,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 6px 24px rgba(255,92,138,.1)}
.nav{display:flex;align-items:center;height:64px;gap:20px}
.logo{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:800;color:var(--dark);white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-soft));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}
.menu{display:flex;gap:4px;margin-left:auto}
.menu a{font-size:15px;color:var(--text-sub);padding:8px 12px;border-radius:8px;transition:color .3s,background .3s}
.menu a:hover,.menu a.active{color:var(--primary);background:var(--primary-light)}
.nav .btn-download{background:var(--primary);color:#fff;font-size:13px;font-weight:600;padding:8px 18px;border-radius:999px;transition:background .3s,transform .3s;white-space:nowrap}
.nav .btn-download:hover{background:var(--primary-deep);transform:translateY(-1px)}

.hero{padding:150px 0 90px;background:radial-gradient(1200px 500px at 80% -10%,#FFE9F1 0%,rgba(255,233,241,0) 60%),radial-gradient(900px 420px at 10% 110%,#FFF0F5 0%,rgba(255,240,245,0) 60%)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:60px}
.hero-text h1{font-size:46px;line-height:1.3;color:var(--dark);margin-bottom:20px;font-weight:800}
.ver{color:var(--primary);font-size:.5em;margin-left:10px;background:var(--primary-light);padding:4px 14px;border-radius:999px;font-weight:700;vertical-align:middle;white-space:nowrap}
.hero-desc{color:var(--text-sub);font-size:16px;margin-bottom:32px;max-width:560px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 30px;border-radius:999px;font-size:16px;font-weight:600;transition:background .3s,box-shadow .3s,transform .3s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(255,92,138,.35)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,92,138,.4)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:#fff}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-2px)}
.hero-pic{display:flex;justify-content:center}
.hero-pic img{width:320px;height:auto;border-radius:24px;box-shadow:0 20px 50px rgba(255,92,138,.25);background:var(--primary-light)}

.section{padding:90px 0}
.section h2{font-size:34px;font-weight:800;color:var(--dark);text-align:center;position:relative;padding-bottom:18px}
.section h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:48px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--primary),#FFA7C2)}
.sub{text-align:center;color:var(--text-sub);font-size:15px;margin-top:12px;margin-bottom:48px}

.works-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.works-grid figure{border-radius:var(--radius);overflow:hidden;background:var(--primary-light);box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s}
.works-grid figure:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.works-grid img{width:100%;height:auto}

.intro-card{max-width:880px;margin:0 auto 40px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px 48px;box-shadow:var(--shadow)}
.intro-card p{font-size:16px;margin-bottom:16px;color:var(--text)}
.intro-card p:last-child{margin-bottom:0}
.intro-tags{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.tag{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px 28px;text-align:center;color:var(--text-sub);font-size:14px;box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s}
.tag:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.tag b{display:block;font-size:24px;color:var(--primary);font-weight:800}

.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:32px 28px;box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--primary-light),#FFF0F5);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--primary)}
.feature-icon svg{width:26px;height:26px}
.feature-card h3{font-size:18px;margin-bottom:10px;color:var(--dark)}
.feature-card p{font-size:14px;color:var(--text-sub)}

.compare-table{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.c-row{display:grid;grid-template-columns:150px 1fr 1fr}
.c-row>span{display:flex;align-items:center;gap:8px;padding:16px 20px;font-size:15px;color:var(--text);border-bottom:1px solid var(--border)}
.c-row:last-child>span{border-bottom:none}
.c-row>span:not(:first-child){justify-content:center;text-align:center}
.c-head{background:var(--primary-light)}
.c-head span{font-weight:700;color:var(--dark)}
.c-head span:first-child{justify-content:center}
.good::before{content:"✓";color:var(--ok);font-weight:800}
.bad::before{content:"✕";color:var(--no);font-weight:800}

.section-dark{background:linear-gradient(160deg,var(--dark),#4A2238)}
.section-dark h2{color:#fff}
.section-dark h2::after{background:linear-gradient(90deg,var(--primary-soft),#fff)}
.section-dark .sub{color:rgba(255,255,255,.75)}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:36px 20px;text-align:center;transition:transform .35s,background .35s}
.data-item:hover{transform:translateY(-6px);background:rgba(255,255,255,.1)}
.data-item b{font-size:40px;font-weight:800;color:var(--accent)}
.data-item b span{font-size:22px}
.data-item p{color:rgba(255,255,255,.8);font-size:15px;margin-top:8px}

.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 .35s,box-shadow .35s}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-soft));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex-shrink:0}
.review-meta{display:flex;flex-direction:column}
.review-meta b{font-size:15px;color:var(--dark)}
.review-meta em{font-style:normal;color:#FFB547;font-size:13px;letter-spacing:2px}
.review-card p{font-size:14px;color:var(--text-sub);line-height:1.8}

.version-card{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.version-head{display:flex;align-items:center;gap:20px;padding-bottom:24px;border-bottom:1px dashed var(--border);margin-bottom:24px}
.version-badge{background:linear-gradient(135deg,var(--primary),var(--primary-soft));color:#fff;font-weight:800;font-size:22px;padding:10px 22px;border-radius:14px;box-shadow:0 8px 20px rgba(255,92,138,.3);white-space:nowrap}
.version-info{display:flex;flex-direction:column}
.version-info b{font-size:18px;color:var(--dark)}
.version-info span{font-size:14px;color:var(--text-sub)}
.version-log li{position:relative;padding:10px 0 10px 26px;font-size:15px;color:var(--text);border-bottom:1px solid var(--bg)}
.version-log li:last-child{border-bottom:none}
.version-log li::before{content:"";position:absolute;left:4px;top:17px;width:8px;height:8px;border-radius:50%;background:var(--primary)}

.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:border-color .3s,box-shadow .3s}
.faq-item.active{border-color:var(--primary);box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:600;color:var(--dark);text-align:left}
.faq-icon{position:relative;width:16px;height:16px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .3s,opacity .3s}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.active .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px;font-size:14px;color:var(--text-sub)}

.download-panel{max-width:820px;margin:0 auto;background:linear-gradient(150deg,#FFF0F5,var(--primary-light));border:1px solid var(--border);border-radius:24px;padding:56px 40px;text-align:center;box-shadow:var(--shadow)}
.download-panel h1{font-size:38px;color:var(--dark);font-weight:800}
.download-info{font-size:14px;color:var(--text-sub);margin:16px 0 30px}
.download-btns{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.btn-lg{padding:16px 34px;font-size:17px}
.download-tip{margin-top:26px;font-size:14px;color:var(--text-sub)}

.footer{background:var(--dark);padding:36px 0;text-align:center}
.footer-link{color:var(--accent);font-size:16px;font-weight:600;transition:color .3s}
.footer-link:hover{color:#fff}
.footer p{color:rgba(255,255,255,.6);font-size:13px;margin-top:8px}

.back-top{position:fixed;right:24px;bottom:36px;width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 8px 20px rgba(255,92,138,.4);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .35s,transform .35s,visibility .35s;z-index:99}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:var(--primary-deep)}

@media(max-width:1023px){
  .logo{font-size:19px}
  .logo-mark{width:30px;height:30px;font-size:16px}
  .nav{gap:12px}
  .menu a{font-size:13px;padding:6px 8px}
  .nav .btn-download{padding:7px 14px;font-size:12px}
  .hero h1{font-size:38px}
  .hero-pic img{width:280px}
  .features-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}
  .data-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:767px){
  .menu{display:none}
  .nav{justify-content:space-between}
  .hero{padding:120px 0 60px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-text{text-align:center}
  .hero-desc{margin-left:auto;margin-right:auto;font-size:15px}
  .hero-text h1{font-size:30px}
  .hero-btns{flex-direction:column;width:100%}
  .hero-btns .btn{width:100%}
  .hero-pic img{width:260px}
  .section{padding:64px 0}
  .section h2{font-size:26px}
  .works-grid{grid-template-columns:1fr;gap:20px}
  .intro-card{padding:28px 22px}
  .intro-card p{font-size:15px}
  .features-grid,.reviews-grid{grid-template-columns:1fr;gap:20px}
  .compare-table{background:transparent;border:none;border-radius:0;box-shadow:none;overflow:visible}
  .c-row{display:flex;flex-wrap:wrap;background:var(--card);border:1px solid var(--border);border-radius:14px;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow)}
  .c-row:last-child{margin-bottom:0}
  .c-head{display:none}
  .c-row>span{display:flex;align-items:center;gap:8px;padding:6px 18px;border-bottom:none;border-right:1px solid var(--border);font-size:14px}
  .c-row>span:first-child{width:100%;justify-content:flex-start;background:var(--primary-light);color:var(--primary-deep);font-weight:700;font-size:14px;padding:10px 16px;border-right:none;border-bottom:1px solid var(--border)}
  .c-row>span:not(:first-child){width:50%;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:4px;padding:12px 16px}
  .c-row>span:not(:first-child):last-child{border-right:none}
  .good::before,.bad::before{display:block;font-size:12px;font-weight:700;letter-spacing:.5px;padding-bottom:4px;border-bottom:1px dashed var(--border);margin-bottom:4px;width:100%}
  .good::before{content:"✓ 樱花漫画";color:var(--ok)}
  .bad::before{content:"✕ 其他App";color:var(--no)}
  .good,.bad{font-size:13px}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .data-item{padding:24px 12px}
  .data-item b{font-size:30px}
  .data-item b span{font-size:18px}
  .version-card{padding:26px 22px}
  .version-head{flex-direction:column;align-items:flex-start;gap:14px}
  .version-log li{font-size:14px}
  .faq-q{padding:18px 20px;font-size:15px}
  .faq-a p{padding:0 20px 20px}
  .download-panel{padding:40px 22px}
  .download-panel h1{font-size:28px}
  .download-info{font-size:12px;white-space:nowrap}
  .download-btns{flex-direction:column;gap:14px}
  .download-btns .btn{width:100%}
  .btn-lg{padding:15px 20px;font-size:16px}
  .back-top{right:16px;bottom:24px;width:40px;height:40px;font-size:18px}
}