/* 必访 mmmsp.cn · 亮蓝通透系 */
:root{
  --bg:#f7faff; --card:#ffffff; --ink:#1f2d4d; --mute:#64749a;
  --ac:#2f6bff; --acd:#1c4fd6; --soft:#e9f0ff; --line:#dbe4f8;
  --sky:#e6f2ff; --r:16px; --sh:0 10px 30px rgba(47,107,255,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:15px;overflow-x:hidden}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.kick{font-size:12px;letter-spacing:.22em;font-weight:700;color:var(--ac)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:700;border-radius:999px;border:2px solid transparent;transition:.25s;font-size:14px;padding:10px 22px;cursor:pointer}
.btn-pri{background:linear-gradient(135deg,var(--ac),#5f92ff);color:#fff;box-shadow:0 6px 18px rgba(47,107,255,.35)}
.btn-pri:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(47,107,255,.45)}
.btn-ghost{border-color:var(--line);color:var(--acd);background:#fff}
.btn-ghost:hover{border-color:var(--ac);background:var(--soft)}
.btn-lg{padding:14px 32px;font-size:16px}

/* 头部 */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{border-radius:10px}
.brand-t{display:flex;flex-direction:column;line-height:1.25}
.brand-t strong{font-size:17px}
.brand-t small{font-size:11px;color:var(--mute)}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{padding:8px 12px;border-radius:999px;font-size:14px;font-weight:600;color:var(--mute);transition:.2s}
.nav a:hover,.nav a.on{color:var(--acd);background:var(--soft)}
.hd-r{display:flex;align-items:center;gap:10px}
.hd-cta{padding:8px 18px}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;padding:8px;cursor:pointer}
.burger span{width:20px;height:2px;background:var(--ink);border-radius:2px}

/* 英雄区 */
.hero{position:relative;padding:64px 0 76px;background:linear-gradient(180deg,#eef4ff 0%,var(--bg) 100%);overflow:hidden}
.hero-glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;pointer-events:none}
.g1{width:420px;height:420px;background:#bcd4ff;top:-140px;right:-80px}
.g2{width:360px;height:360px;background:#d6e6ff;bottom:-160px;left:-100px}
.hero-in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(34px,4.5vw,52px);letter-spacing:.06em;margin:10px 0 14px}
.lead{font-size:15.5px;color:var(--mute);max-width:560px}
.hero-acts{display:flex;gap:14px;margin:26px 0 18px;flex-wrap:wrap}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap;list-style:none}
.hero-tags li{font-size:12px;font-weight:600;color:var(--acd);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.hero-note{margin-top:18px;font-size:13px;color:var(--mute);display:flex;align-items:center;gap:8px}
.hero-note b{color:var(--acd)}
.dot{width:8px;height:8px;border-radius:50%;background:#2ecc8f;display:inline-block}
.hero-r{position:relative;display:flex;justify-content:center}
.phone{width:250px;background:#122048;border-radius:36px;padding:10px;box-shadow:0 24px 60px rgba(31,45,77,.28);position:relative}
.phone img{border-radius:26px;width:100%;height:460px;object-fit:cover;object-position:top}
.phone-notch{position:absolute;top:16px;left:50%;transform:translateX(-50%);width:90px;height:20px;background:#122048;border-radius:12px;z-index:2}
.float-card{position:absolute;background:#fff;border-radius:14px;box-shadow:var(--sh);padding:10px 16px;text-align:center;border:1px solid var(--line)}
.float-card b{display:block;font-size:17px;color:var(--acd)}
.float-card span{font-size:11px;color:var(--mute)}
.fc-a{top:12%;left:2%}
.fc-b{top:46%;right:0}
.fc-c{bottom:10%;left:6%}

/* 数据条 */
.stats{padding:0 0 8px}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:26px 20px;margin-top:-34px;position:relative;z-index:2}
.stat{text-align:center}
.stat b{display:block;font-size:clamp(20px,2.4vw,28px);color:var(--acd)}
.stat span{font-size:12px;color:var(--mute)}

/* 通用 section */
.sec{padding:64px 0}
.sec-alt{background:linear-gradient(180deg,#eef4ff66,#fafcff)}
.sec-h{text-align:center;max-width:680px;margin:0 auto 40px}
.sec-h h2{font-size:clamp(24px,3vw,34px);margin:8px 0 10px}
.sec-p{font-size:14px;color:var(--mute)}

/* 今日书讯 · 标签页 */
.tabs{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden}
.tab-bar{display:flex;gap:4px;padding:10px;background:var(--soft);flex-wrap:wrap}
.tab{flex:1;min-width:110px;padding:10px 14px;border:0;border-radius:12px;background:transparent;font-size:14px;font-weight:700;color:var(--mute);cursor:pointer;transition:.2s;font-family:inherit}
.tab:hover{color:var(--acd)}
.tab.on{background:#fff;color:var(--acd);box-shadow:0 4px 12px rgba(47,107,255,.14)}
.tab-panels{padding:8px 18px 16px}
.booklist{list-style:none;display:none}
.booklist.on{display:block}
.booklist li{display:flex;align-items:center;gap:14px;padding:14px 6px;border-bottom:1px dashed var(--line)}
.booklist li:last-child{border-bottom:0}
.bk-no{flex:none;width:30px;height:30px;border-radius:9px;background:var(--soft);color:var(--acd);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.bk-no.n1{background:#ff5b5b;color:#fff}
.bk-no.n2{background:#ff9f43;color:#fff}
.bk-no.n3{background:#f5b62e;color:#fff}
.bk-m{flex:1;min-width:0}
.bk-m b{display:block;font-size:15px}
.bk-m small{font-size:12px;color:var(--mute)}
.bk-tag{flex:none;font-size:11px;font-weight:700;color:var(--acd);background:var(--soft);border-radius:6px;padding:3px 8px}
.bk-tag.hot{color:#fff;background:linear-gradient(135deg,#ff7a45,#ff5b5b)}
.bk-up{flex:none;font-size:12px;color:var(--mute)}

/* 功能 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;transition:.25s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:var(--ac)}
.feat-ic{font-size:26px;display:inline-flex;width:52px;height:52px;align-items:center;justify-content:center;background:var(--soft);border-radius:14px;margin-bottom:14px}
.feat h3{font-size:16px;margin-bottom:6px}
.feat p{font-size:13px;color:var(--mute)}

/* 热读榜 */
.rank-in{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:center}
.rank-l h2{font-size:clamp(24px,3vw,32px);margin:8px 0 10px}
.rank-l .btn{margin-top:18px}
.rank-list{list-style:none;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:8px 20px}
.rank-list li{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.rank-list li:last-child{border-bottom:0}
.rk-no{flex:none;font-size:18px;font-weight:800;color:#a9bcd9;font-style:italic;width:34px}
.rk-no.r1{color:#ff5b5b}.rk-no.r2{color:#ff9f43}.rk-no.r3{color:#f5b62e}
.rk-m{flex:1;min-width:0}
.rk-m b{font-size:15px}
.rk-m small{display:block;font-size:12px;color:var(--mute);margin-bottom:6px}
.rk-bar{height:6px;border-radius:99px;background:var(--soft);overflow:hidden}
.rk-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--ac),#6fa0ff)}
.rk-sc{flex:none;font-size:16px;font-weight:800;color:var(--acd)}

/* 截图 */
.shots{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;align-items:end}
.shot{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:8px;box-shadow:var(--sh);transition:.25s}
.shot:hover{transform:translateY(-4px)}
.shot img{border-radius:12px;width:100%;height:300px;object-fit:cover;object-position:top}
.shot.big img{height:340px}
.shot figcaption{text-align:center;font-size:12px;font-weight:600;color:var(--acd);padding:8px 0 4px}
.shots-tip{display:none;text-align:center;font-size:12px;color:var(--mute);margin-top:12px}

/* 阅读路径 */
.route{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;counter-reset:rt}
.route::before{content:"";position:absolute;top:26px;left:12.5%;right:12.5%;height:2px;background:repeating-linear-gradient(90deg,var(--ac) 0 10px,transparent 10px 20px);opacity:.5}
.rt{text-align:center;padding:0 14px;position:relative}
.rt-dot{width:52px;height:52px;margin:0 auto 14px;border-radius:50%;background:#fff;border:2px solid var(--ac);color:var(--acd);font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;box-shadow:var(--sh)}
.rt h3{font-size:15.5px;margin-bottom:6px}
.rt p{font-size:13px;color:var(--mute)}

/* 对比表 */
.cmp{overflow-x:auto}
.cmp-t{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);font-size:13.5px}
.cmp-t th,.cmp-t td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
.cmp-t thead th{background:var(--soft);font-size:13px;color:var(--mute)}
.cmp-t thead th.win{background:linear-gradient(135deg,var(--ac),#5f92ff);color:#fff;font-size:14px}
.cmp-t tbody tr:last-child td{border-bottom:0}
.cmp-t td.win{color:var(--acd);font-weight:700;background:#f3f7ff}
.cmp-t tbody tr:hover td{background:#f8faff}
.cmp-t tbody tr:hover td.win{background:#edf3ff}

/* FAQ */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-i{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.faq-i.open{border-color:var(--ac);box-shadow:var(--sh)}
.faq-q{width:100%;display:flex;align-items:center;gap:12px;background:none;border:0;padding:16px 18px;font-size:14.5px;font-weight:700;color:var(--ink);text-align:left;cursor:pointer;font-family:inherit}
.faq-no{font-size:11px;font-weight:800;color:var(--acd);background:var(--soft);border-radius:8px;padding:3px 8px;flex:none}
.chev{margin-left:auto;color:var(--mute);transition:.25s}
.faq-i.open .chev{transform:rotate(180deg);color:var(--ac)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 18px 16px 54px;font-size:13.5px;color:var(--mute)}
.faq-i.open .faq-a{max-height:300px}

/* 评论 */
.vc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.vc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:14px;transition:.25s}
.vc:hover{box-shadow:var(--sh);border-color:var(--ac)}
.vc p{font-size:13.5px;color:var(--ink)}
.vc p::before{content:"“";color:var(--ac);font-size:20px;font-weight:800}
.vc footer{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--mute);border-top:1px dashed var(--line);padding-top:10px}
.vc footer b{color:var(--acd);font-size:13px}

/* 下载区 */
.get{padding:64px 0;background:linear-gradient(135deg,#2f6bff,#5f92ff);color:#fff}
.get-in{display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center}
.get .kick{color:#cfe0ff}
.get h2{font-size:clamp(24px,3vw,34px);margin:8px 0 12px}
.get p{font-size:14px;color:#e6efff;max-width:620px}
.get p b{color:#fff}
.get .btn-pri{background:#fff;color:var(--acd);box-shadow:0 8px 20px rgba(0,0,0,.18);margin-top:20px}
.get-upd{margin-top:14px;font-size:12px;color:#cfe0ff}
.get-r{background:#ffffff1a;border:1px solid #ffffff3d;border-radius:18px;text-align:center;padding:28px 18px;backdrop-filter:blur(6px)}
.get-r img{margin:0 auto 10px;border-radius:18px}
.get-r strong{display:block;font-size:18px}
.get-r span{display:block;font-size:12px;color:#dbe6ff;margin-top:3px}
.get-badge{font-size:11px;font-weight:700;color:#fff;background:#ffffff2b;border-radius:999px;padding:4px 12px;margin-top:10px;display:inline-block}

/* 页脚 */
.ft{background:#101d3f;color:#8b9cc9;padding:40px 0 28px;font-size:12.5px}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px;margin-bottom:20px}
.ft-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.ft-brand img{border-radius:9px}
.ft-brand b{color:#fff;font-size:15px}
.ft-brand p{font-size:12px;color:#8b9cc9}
.ft-note{max-width:340px}
.ft-col h4{color:#fff;font-size:13px;margin-bottom:10px}
.ft-col ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.ft-col a{color:#8b9cc9;transition:.2s}
.ft-col a:hover{color:#fff}
.ft-copy{color:#5a6b99;border-top:1px solid #22335f;padding-top:16px}
.ft-copy p+p{margin-top:4px}

/* 返回顶部 */
.backtop{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:12px;border:0;background:var(--ac);color:#fff;font-size:18px;cursor:pointer;box-shadow:0 8px 20px rgba(47,107,255,.4);opacity:0;pointer-events:none;transition:.3s;z-index:60}
.backtop.show{opacity:1;pointer-events:auto}
.backtop:hover{background:var(--acd)}

/* 移动端（英雄区文字在上、图片在下） */
@media (max-width:900px){
  .nav{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 20px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .burger{display:flex}
  .hd-cta{display:none}
  .hero-in{grid-template-columns:1fr;gap:36px}
  .hero-r{margin-top:4px}
  .phone{width:210px}
  .phone img{height:380px}
  .fc-a{left:0}.fc-b{right:0}.fc-c{left:2%}
  .stats-in{grid-template-columns:1fr 1fr;gap:20px;margin-top:-24px}
  .feat-grid{grid-template-columns:1fr 1fr}
  .rank-in{grid-template-columns:1fr;gap:24px}
  .shots{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;padding-bottom:8px}
  .shot{flex:0 0 62%;scroll-snap-align:center}
  .shot img,.shot.big img{height:320px}
  .shots-tip{display:block}
  .route{grid-template-columns:1fr;gap:22px}
  .route::before{display:none}
  .rt{display:grid;grid-template-columns:52px 1fr;text-align:left;gap:4px 14px;align-items:start}
  .rt-dot{margin:0;grid-row:span 2}
  .vc-grid{grid-template-columns:1fr}
  .get-in{grid-template-columns:1fr}
  .get-r{max-width:300px;margin:0 auto}
  .ft-grid{grid-template-columns:1fr 1fr}
  .booklist li{flex-wrap:wrap}
  .bk-up{flex-basis:100%;padding-left:44px}
}
@media (max-width:520px){
  .feat-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}