*{margin:0;padding:0;box-sizing:border-box}
body{background:#FDFCF9;color:#222;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;background-image:radial-gradient(#d8d8d8 0.8px,transparent 0.8px);background-size:16px 16px}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.blue{color:#2b7ff0}
.pink{color:#f26d9c}
.cyan{color:#19c7c7}

/* 导航 */
.site-head{position:sticky;top:0;z-index:50;background:rgba(253,252,249,.94);border-bottom:1px solid #333;backdrop-filter:blur(6px)}
.head-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:8px;font-weight:900;font-size:19px;letter-spacing:.5px}
.brand img{height:32px;width:auto;border:1px solid #333;border-radius:8px;padding:2px;background:#fff}
.nav{display:flex;gap:20px;font-size:14px}
.nav a{position:relative;padding:4px 0;color:#333}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:#2b7ff0;transition:width .25s}
.nav a:hover::after{width:100%}
.menu-btn{display:none;font-size:22px;background:none;border:1px solid #333;border-radius:8px;width:38px;height:34px;cursor:pointer;line-height:1}

/* 首屏 */
.hero{padding:70px 0 60px;text-align:center;position:relative;overflow:hidden}
.hero-tag{display:inline-block;font-size:13px;border:1px solid #333;border-radius:20px;padding:3px 14px;margin-bottom:22px;background:#fff;letter-spacing:1px}
.hero h1{font-size:clamp(32px,6vw,62px);line-height:1.15;font-weight:900;letter-spacing:1px;position:relative;display:inline-block}
.hero h1 span{display:block}
.hero h1 .shadow-txt{position:relative}
.hero h1 .shadow-txt::before{content:attr(data-t);position:absolute;left:4px;top:4px;color:#f26d9c;z-index:-1}
.hero-sub{max-width:620px;margin:20px auto 0;color:#444;font-size:16px}
.sell-points{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:26px 0 34px}
.sell-points span{border:1px solid #333;border-radius:30px;padding:5px 16px;font-size:13px;background:#fff}
.sell-points span:nth-child(1){border-color:#2b7ff0;color:#2b7ff0}
.sell-points span:nth-child(2){border-color:#f26d9c;color:#f26d9c}
.sell-points span:nth-child(3){border-color:#19c7c7;color:#19c7c7}
.btn-bubble{display:inline-block;position:relative;background:#2b7ff0;color:#fff;font-weight:800;font-size:17px;padding:15px 42px;border-radius:26px;border:2px solid #111;box-shadow:4px 4px 0 #111;transition:transform .15s,box-shadow .15s}
.btn-bubble::after{content:"";position:absolute;left:34px;bottom:-13px;width:0;height:0;border:9px solid transparent;border-top-color:#111}
.btn-bubble:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 #111}
.hero-note{margin-top:22px;font-size:13px;color:#666}

/* 通用区块标题 */
.sec{padding:56px 0}
.sec-head{margin-bottom:30px}
.sec-head .kicker{font-size:13px;letter-spacing:2px;color:#f26d9c;font-weight:700}
.sec-head h2{font-size:clamp(24px,3.6vw,34px);font-weight:900;margin-top:4px}
.sec-head p{color:#555;font-size:15px;margin-top:8px;max-width:640px}

/* 分镜墙 */
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.tags span{font-size:14px;padding:4px 14px;border-radius:18px;border:1px dashed #333;background:#fff;transform:rotate(-1deg)}
.tags span:nth-child(2n){transform:rotate(1.2deg);color:#2b7ff0;border-color:#2b7ff0}
.tags span:nth-child(3n){color:#f26d9c;border-color:#f26d9c}
.masonry{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.masonry .card{break-inside:avoid;position:relative;transition:transform .25s}
.masonry .card:nth-child(3n+1){padding-top:14px}
.masonry .card:nth-child(3n+2){padding-top:0}
.masonry .card:nth-child(3n){padding-top:26px}
.cover{background:#fff;border:5px solid #fff;outline:1px solid #333;box-shadow:3px 4px 0 #e5e5e5;overflow:hidden}
.cover img{width:100%;aspect-ratio:3/4;object-fit:cover}
.masonry .card:hover{transform:rotate(-2deg) scale(1.02);z-index:2}
.boom{position:absolute;right:-8px;top:-6px;background:#f26d9c;color:#fff;font-weight:900;font-size:12px;padding:4px 9px;border:2px solid #111;border-radius:12px;transform:rotate(8deg);opacity:0;transition:opacity .2s}
.masonry .card:hover .boom{opacity:1}
.cover-meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:13px;color:#444}
.cover-meta b{font-size:14px;color:#111}

/* 四宫格功能 */
.grid4{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.frame-card{border:1px solid #333;background:#fff;padding:26px 24px;position:relative;border-radius:2px}
.frame-card::before{content:"";position:absolute;inset:6px;border:1px solid #e3e3e3;pointer-events:none}
.frame-card h3{font-size:19px;font-weight:800;margin:14px 0 8px}
.frame-card p{font-size:14px;color:#555}
.icon-doodle{width:46px;height:46px;border:1.5px solid #111;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;background:#FDFCF9}
.frame-card:nth-child(1) .icon-doodle{color:#2b7ff0}
.frame-card:nth-child(2) .icon-doodle{color:#f26d9c}
.frame-card:nth-child(3) .icon-doodle{color:#19c7c7}
.frame-card:nth-child(4) .icon-doodle{color:#111}

/* 平台优势 */
.adv{background:#fdf6e8;border-top:1px solid #333;border-bottom:1px solid #333}
.adv-list{display:grid;gap:26px}
.adv-item{display:grid;grid-template-columns:240px 1fr;gap:26px;align-items:start}
.bubble{position:relative;background:#fff;border:1.5px solid #111;border-radius:16px;padding:12px 18px;font-weight:800;font-size:16px}
.bubble::after{content:"";position:absolute;left:26px;bottom:-11px;width:0;height:0;border:8px solid transparent;border-top-color:#111}
.bubble::before{content:"";position:absolute;left:27px;bottom:-9px;width:0;height:0;border:7px solid transparent;border-top-color:#fff;z-index:1}
.adv-item p{font-size:15px;color:#444;padding-top:6px}

/* 榜单 */
.board-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.board{background:#fff;border:1px solid #333;padding:24px 22px;background-image:repeating-linear-gradient(transparent,transparent 33px,#eee 33px,#eee 34px)}
.board h3{font-size:18px;font-weight:900;margin-bottom:16px;display:inline-block;border-bottom:3px solid #f26d9c;padding-bottom:2px}
.rank{display:flex;align-items:center;gap:12px;padding:7px 0;font-size:14px;line-height:1.4}
.rank .no{width:28px;height:28px;border:1.5px solid #111;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px;flex:0 0 auto;background:#fff}
.rank:nth-child(2) .no{border-color:#f26d9c;color:#f26d9c;transform:rotate(-6deg)}
.rank:nth-child(3) .no{border-color:#2b7ff0;color:#2b7ff0;transform:rotate(5deg)}
.rank:nth-child(4) .no{border-color:#19c7c7;color:#19c7c7;transform:rotate(-4deg)}
.rank b{font-weight:800}
.rank .up{color:#1e9e5a;font-size:12px}
.rank .star{color:#f2b31a;font-size:12px}

/* 截图墙 */
.shots{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.shots .sh{border:1px solid #333;background:#fff;padding:6px;border-radius:4px}
.shots img{width:100%;aspect-ratio:3/4;object-fit:cover}

/* 读者互动 */
.talk{background:#eef7fb;border-top:1px solid #333;border-bottom:1px solid #333}
.chat-list{display:grid;gap:22px;max-width:820px}
.chat{display:flex;gap:14px;align-items:flex-start}
.chat.rev{flex-direction:row-reverse}
.avatar{flex:0 0 auto;width:52px;height:52px;border:2px solid #111;border-radius:50%;overflow:hidden;background:#fff}
.avatar img{width:100%;height:100%;object-fit:contain;padding:4px}
.msg{position:relative;background:#fff;border:1.5px solid #111;border-radius:14px;padding:12px 16px;font-size:14px;color:#333}
.msg b{display:block;font-size:13px;color:#2b7ff0;margin-bottom:2px}
.chat.rev .msg b{color:#f26d9c}

/* FAQ */
.faq-list{max-width:820px;display:grid;gap:14px}
details{border:1px solid #333;background:#fff;border-radius:4px;padding:0 18px;box-shadow:2px 2px 0 #eaeaea;transition:box-shadow .2s}
details[open]{box-shadow:4px 6px 0 #eaeaea}
summary{list-style:none;cursor:pointer;font-weight:800;font-size:15px;padding:16px 0;position:relative;padding-right:26px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:0;top:14px;font-size:20px;color:#f26d9c;font-weight:900}
details[open] summary::after{content:"–"}
details p{font-size:14px;color:#555;padding:0 0 16px;border-top:1px dashed #ddd;padding-top:14px}

/* 下载书签 */
.download{padding:60px 0}
.bookmark{border:1px solid #333;background:#fff;position:relative;display:grid;grid-template-columns:1fr 1fr;gap:0;box-shadow:6px 6px 0 #f3e7ea}
.steps{padding:34px 30px}
.steps h2{font-size:22px;font-weight:900;margin-bottom:18px}
.steps ol{list-style:none;display:grid;gap:14px;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding-left:38px;font-size:15px;color:#444}
.steps li::before{content:counter(s);position:absolute;left:0;top:-2px;width:26px;height:26px;border:1.5px solid #111;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px;background:#FDFCF9}
.steps li:nth-child(1)::before{color:#2b7ff0}
.steps li:nth-child(2)::before{color:#f26d9c}
.steps li:nth-child(3)::before{color:#19c7c7}
.dl-side{border-left:1px dashed #333;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:34px 26px;background:#fdfaf5}
.dl-side img{height:64px;border:1px solid #333;border-radius:12px;padding:4px;background:#fff;margin-bottom:14px}
.dl-side h3{font-size:17px;font-weight:900;margin-bottom:6px}
.dl-side p{font-size:13px;color:#666;margin-bottom:18px}

/* 页脚 */
.site-foot{border-top:1px solid #333;background:#fff;padding:34px 0 24px}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;align-items:center;font-size:13px;color:#666}
.foot-links{display:flex;flex-wrap:wrap;gap:16px}
.foot-time{margin-top:16px;font-size:12px;color:#999}

/* 百度拦截弹窗 */
.bd-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:99;padding:20px}
.bd-mask.on{display:flex}
.bd-box{background:#fff;border:1px solid #333;border-radius:6px;padding:26px 22px;max-width:360px;width:100%;box-shadow:6px 6px 0 rgba(0,0,0,.15);text-align:center}
.bd-box h4{font-size:17px;font-weight:900;margin-bottom:10px}
.bd-box p{font-size:13px;color:#555;margin-bottom:16px;word-break:break-all}
.bd-url{border:1px dashed #2b7ff0;color:#2b7ff0;border-radius:6px;padding:10px;font-size:13px;margin-bottom:16px;word-break:break-all}
.bd-box button{border:1px solid #111;background:#2b7ff0;color:#fff;font-weight:800;padding:10px 22px;border-radius:22px;cursor:pointer;margin:0 6px}
.bd-box .close{background:#fff;color:#111}

@media (max-width:1024px){
  .masonry{grid-template-columns:repeat(3,1fr)}
  .shots{grid-template-columns:repeat(4,1fr)}
  .adv-item{grid-template-columns:200px 1fr}
}
@media (max-width:768px){
  .nav{position:absolute;top:60px;left:0;right:0;flex-direction:column;background:#FDFCF9;border-bottom:1px solid #333;padding:12px 20px;display:none;gap:12px}
  .nav.on{display:flex}
  .menu-btn{display:block}
  .hero{padding:48px 0 42px}
  .masonry{grid-template-columns:repeat(2,1fr);gap:14px}
  .grid4{grid-template-columns:1fr}
  .adv-item{grid-template-columns:1fr;gap:10px}
  .adv-item p{padding-top:14px}
  .board-grid{grid-template-columns:1fr}
  .shots{grid-template-columns:repeat(3,1fr);gap:10px}
  .bookmark{grid-template-columns:1fr}
  .dl-side{border-left:none;border-top:1px dashed #333}
  .sec{padding:40px 0}
}