/* 漫蛙漫画 v4 - 差异化精简版 */

:root {
  --green: #4CAF50;
  --green-dark: #388E3C;
  --green-light: #66BB6A;
  --orange: #FF9800;
  --orange-dark: #F57C00;
  --slate-50: #F0F8FF;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --radius: 12px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--slate-800);background:#fff;line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}a{text-decoration:none;color:inherit}button{border:none;cursor:pointer;font-family:inherit}ul{list-style:none}
.container{width:92%;max-width:1100px;margin:0 auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 22px;font-size:14px;font-weight:600;border-radius:8px;transition:all .25s;white-space:nowrap}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 3px 12px rgba(76,175,80,.2)}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(76,175,80,.3)}
.btn-outline{background:transparent;border:1.5px solid var(--green);color:var(--green)}
.btn-outline:hover{background:var(--green);color:#fff}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 3px 12px rgba(255,152,0,.2)}
.btn-orange:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,152,0,.3)}
.btn-sm{padding:7px 16px;font-size:13px}
.btn-lg{padding:13px 28px;font-size:15px}

/* Navbar */
.navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 6px rgba(0,0,0,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:12px}
.logo{display:flex;align-items:center;gap:7px;font-size:19px;font-weight:800;flex-shrink:0}
.logo-icon{width:32px;height:32px;background:var(--green);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:900}
.logo-text{color:var(--green)}
.nav-links{display:flex;gap:24px}
.nav-links a{font-size:14px;font-weight:500;color:var(--slate-600);transition:color .2s}
.nav-links a:hover{color:var(--green)}

.nav-search{display:flex;align-items:center;gap:5px;padding:6px 12px;border-radius:20px;background:var(--slate-50);border:1px solid var(--slate-200)}
.nav-search i{font-size:12px;color:var(--slate-400)}
.nav-search input{border:none;background:transparent;outline:none;font-size:13px;width:120px;font-family:inherit;color:var(--slate-700)}
.nav-search input::placeholder{color:var(--slate-400)}
.mobile-toggle{display:none;background:none;font-size:20px;color:var(--slate-700)}

/* Mobile Menu */
.mobile-menu{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1001;opacity:0;pointer-events:none;transition:opacity .2s}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-panel{position:absolute;top:0;right:0;width:240px;height:100%;background:#fff;padding:20px;transform:translateX(100%);transition:transform .3s cubic-bezier(.16,1,.3,1)}
.mobile-menu.open .mobile-panel{transform:translateX(0)}
.mobile-close{background:none;font-size:20px;color:var(--slate-400);margin-bottom:16px;display:block;margin-left:auto}
.mobile-panel a{display:block;padding:12px 0;font-size:15px;font-weight:600;color:var(--slate-700);border-bottom:1px solid var(--slate-100)}
.mobile-panel .mobile-dl{color:var(--green-dark);border:none;margin-top:8px}

/* Hero */
.hero{position:relative;padding:56px 0;background:linear-gradient(135deg,#E8F5E9 0%,var(--slate-50) 100%);overflow:hidden}
.hero::before{content:"";position:absolute;top:-20%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(76,175,80,.08),transparent 70%);border-radius:50%}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px}
.hero-content h1{font-size:clamp(28px,4.5vw,48px);font-weight:900;line-height:1.2;letter-spacing:-.02em;color:var(--slate-800);margin-bottom:14px}
.hero-content h1 span{color:var(--green)}
.hero-content p{font-size:16px;color:var(--slate-500);line-height:1.8;margin-bottom:24px;max-width:420px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{flex-shrink:0}
.hero-visual img{width:280px;border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.3)}

/* Section Common */
.section-title{font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-.02em;color:var(--slate-900);text-align:center;margin-bottom:28px;line-height:1.25}

/* Comics */
.comics-section{padding:52px 0;background:var(--slate-50)}
.comics-tabs{display:flex;justify-content:center;gap:6px;margin-bottom:22px;flex-wrap:wrap}
.comics-tab{padding:6px 16px;font-size:13px;font-weight:600;border-radius:50px;background:#fff;color:var(--slate-500);border:1px solid var(--slate-200);transition:all .2s}
.comics-tab:hover{border-color:var(--green);color:var(--green-dark)}
.comics-tab.active{background:var(--green);color:#fff;border-color:transparent;box-shadow:0 2px 8px rgba(76,175,80,.2)}
.comics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tab-panel{display:none}.tab-panel.active{display:grid}
.comic-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--slate-100);transition:transform .2s,box-shadow .2s}
.comic-card:hover{transform:translateY(-3px);box-shadow:0 6px 24px rgba(0,0,0,.08)}
.comic-cover{position:relative;overflow:hidden}
.comic-cover img{width:100%;height:240px;object-fit:cover;transition:transform .3s}
.comic-card:hover .comic-cover img{transform:scale(1.03)}
.comic-tag{position:absolute;top:8px;left:8px;padding:2px 8px;font-size:10px;font-weight:700;border-radius:50px;color:#fff}
.tag-hot{background:linear-gradient(135deg,#ef4444,#f97316)}
.tag-new{background:linear-gradient(135deg,var(--green),var(--green-light))}
.tag-done{background:var(--slate-500)}
.tag-pop{background:linear-gradient(135deg,var(--orange),#fbbf24);color:var(--slate-900)}
.tag-rec{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}
.comic-body{padding:10px 12px}
.comic-body h4{font-size:13px;font-weight:700;color:var(--slate-800);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:3px}
.comic-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--slate-400)}
.comic-update{color:var(--green-dark);font-weight:600}

/* Rankings */
.rankings-section{padding:52px 0;background:#fff}
.rank-list{max-width:700px;margin:0 auto;background:var(--slate-50);border-radius:var(--radius);border:1px solid var(--slate-100);overflow:hidden}
.rank-item{display:flex;align-items:center;padding:13px 20px;border-bottom:1px solid var(--slate-100);font-size:15px}
.rank-item:last-child{border-bottom:none}
.rank-num{width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:var(--slate-300);margin-right:14px;flex-shrink:0}
.rank-num.r1{background:#ef4444}.rank-num.r2{background:var(--orange);color:var(--slate-900)}.rank-num.r3{background:#d97706}
.rank-name{flex:1;font-weight:600}
.rank-genre{padding:2px 8px;font-size:11px;font-weight:600;border-radius:4px;background:#E8F5E9;color:var(--green-dark);margin-right:12px;white-space:nowrap}
.rank-status{color:var(--green-dark);font-size:13px;font-weight:600;white-space:nowrap}

/* Features */
.features-section{padding:52px 0;background:var(--slate-50);position:relative;overflow:hidden}
.features-section::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(76,175,80,.06),transparent 55%)}
.features-section .container{position:relative;z-index:2}
.features-section .section-title{color:var(--slate-800)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature-card{background:#fff;border:1px solid var(--slate-100);border-radius:var(--radius);padding:22px 18px;transition:all .2s}
.feature-card:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:0 6px 20px rgba(76,175,80,.1)}
.feature-card i{font-size:28px;color:var(--green);margin-bottom:12px;display:block}
.feature-card h3{font-size:15px;font-weight:700;color:var(--slate-800);margin-bottom:5px}
.feature-card p{font-size:12px;color:var(--slate-500);line-height:1.7}

/* Reviews */
.reviews-section{padding:52px 0;background:#fff}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.review-card{background:var(--slate-50);border-radius:var(--radius);padding:20px;border:1px solid var(--slate-100)}
.review-user{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.review-user .avatar{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;flex-shrink:0}
.review-user strong{font-size:13px;display:block;color:var(--slate-800)}
.stars{color:var(--orange);font-size:10px;margin-top:1px}
.review-card p{font-size:13px;color:var(--slate-500);line-height:1.7}

/* FAQ */
.faq-section{padding:52px 0;background:var(--slate-50)}
.faq-list{max-width:640px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--slate-200)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;padding:16px 0;font-size:15px;font-weight:600;color:var(--slate-800);background:none;text-align:left;transition:color .2s}
.faq-q:hover{color:var(--green-dark)}
.faq-icon{font-size:14px;color:var(--slate-400);transition:transform .2s;margin-left:10px;flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--green)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s}
.faq-item.open .faq-a{max-height:150px;padding-bottom:14px}
.faq-a p{font-size:13px;color:var(--slate-500);line-height:1.8}

/* Download CTA */
.download-section{padding:56px 0;background:linear-gradient(135deg,var(--green),var(--green-dark));text-align:center;position:relative;overflow:hidden}
.download-section::before{content:"";position:absolute;inset:0;background:radial-gradient(circle,rgba(255,255,255,.06),transparent 50%)}
.download-section .container{position:relative;z-index:2}
.download-section h2{font-size:clamp(24px,3.5vw,36px);font-weight:900;color:#fff;margin-bottom:10px;letter-spacing:-.02em}
.download-section p{font-size:15px;color:rgba(255,255,255,.75);margin-bottom:24px}
.download-btns{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* Footer */
.footer{background:#333;color:rgba(255,255,255,.4);padding:36px 0 16px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px;margin-bottom:24px}
.footer-brand .logo{margin-bottom:8px}
.footer-brand .logo-text{-webkit-text-fill-color:#fff;background:none;color:#fff}
.footer-desc{font-size:13px;margin-top:6px;color:rgba(255,255,255,.35)}
.footer-col h4{font-size:12px;font-weight:700;color:rgba(255,255,255,.7);margin-bottom:10px;text-transform:uppercase;letter-spacing:.05em}
.footer-col a{display:block;font-size:13px;padding:2px 0;transition:color .2s}
.footer-col a:hover{color:var(--green)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:16px;display:flex;justify-content:space-between;font-size:12px;flex-wrap:wrap;gap:6px}
.footer-bottom a{color:var(--green)}.footer-bottom a:hover{color:var(--green-light)}

/* Float CTA */
.float-cta{position:fixed;bottom:20px;right:20px;z-index:999;width:46px;height:46px;border-radius:50%;background:var(--orange);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(255,152,0,.3);transition:transform .2s}
.float-cta:hover{transform:translateY(-2px) scale(1.05)}

/* Responsive */
@media(max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{flex-direction:column;text-align:center}
  .hero-content p{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .hero-visual img{width:240px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links,.nav-search{display:none}
  .mobile-toggle{display:block}
  .mobile-menu{display:block}
  .hero{padding:40px 0 32px}
  .hero-visual{display:none}
  .comics-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .comic-cover img{height:190px}
  .features-grid,.reviews-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-lg{width:100%;justify-content:center}
  .download-btns{flex-direction:column;align-items:center}
}