/* ============================================================
   漫蛙3 · 内容专题站  共用样式表
   配色：清新薄荷绿 + 珊瑚橙（漫画阅读类调性）
   ============================================================ */
:root{
  --brand:#17b978;
  --brand-d:#0e9760;
  --brand-l:#e6f8f0;
  --brand-2:#0ea5a5;
  --coral:#ff7a59;
  --amber:#ffc94d;
  --ink:#1f2d3d;
  --ink-2:#42566b;
  --mute:#7c8fa0;
  --line:#e3efe9;
  --bg:#f6fcf9;
  --bg-2:#eef8f3;
  --white:#fff;
  --radius:18px;
  --radius-s:12px;
  --shadow:0 10px 30px rgba(23,185,120,.10);
  --shadow-s:0 6px 18px rgba(31,45,61,.07);
  --max:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);
  background:var(--bg);line-height:1.75;font-size:16px;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand-d);text-decoration:none}
a:hover{color:var(--coral)}
h1,h2,h3,h4{line-height:1.32;margin:0 0 .6em;font-weight:800;color:var(--ink)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{margin:.35em 0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- 顶部导航 ---------- */
.topbar{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{width:42px;height:42px;border-radius:12px;box-shadow:var(--shadow-s)}
.brand .bname{font-size:21px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.brand .bname em{font-style:normal;color:var(--brand-d)}
.menu{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.menu a{
  padding:9px 14px;border-radius:10px;color:var(--ink-2);
  font-size:15px;font-weight:600;transition:.18s;
}
.menu a:hover{background:var(--brand-l);color:var(--brand-d)}
.menu a.on{background:var(--brand);color:#fff}
.nav .btn-dl{margin-left:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:16px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  box-shadow:0 8px 20px rgba(23,185,120,.28);transition:.2s;border:0;cursor:pointer;
}
.btn:hover{transform:translateY(-2px);color:#fff;box-shadow:0 12px 26px rgba(23,185,120,.36)}
.btn.coral{background:linear-gradient(135deg,var(--coral),#ff9a6e);box-shadow:0 8px 20px rgba(255,122,89,.30)}
.btn.coral:hover{box-shadow:0 12px 26px rgba(255,122,89,.4)}
.btn.ghost{background:#fff;color:var(--brand-d);border:1.5px solid var(--brand);box-shadow:none}
.btn.ghost:hover{background:var(--brand-l)}
.btn.small{padding:9px 18px;font-size:14px}
.btn .ic{width:18px;height:18px;flex:0 0 auto}

/* ---------- Hero ---------- */
.hero{
  background:radial-gradient(1100px 460px at 12% -10%,#d9f6e8 0%,rgba(217,246,232,0) 62%),
             radial-gradient(760px 420px at 96% 8%,#ffe7dd 0%,rgba(255,231,221,0) 60%),
             linear-gradient(180deg,#f8fdfb,#f1faf5);
  padding:54px 0 58px;border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.hero-grid>*{min-width:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  color:var(--brand-d);font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;
  box-shadow:var(--shadow-s);margin-bottom:18px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--coral)}
.hero h1{font-size:clamp(30px,4.4vw,46px);letter-spacing:1px;margin-bottom:16px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:17px;color:var(--ink-2);max-width:560px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin:24px 0 18px}
.hero .fine{font-size:13px;color:var(--mute)}
.hero-visual{display:flex;justify-content:center;gap:18px;align-items:flex-end}
.phone{
  width:270px;border-radius:30px;background:#fff;padding:10px;box-shadow:0 24px 60px rgba(31,45,61,.16);
  border:1px solid var(--line);
}
.phone img{width:100%;height:auto;border-radius:22px}
.phone.small{width:190px;opacity:.98}
.hero-visual .stack{display:flex;flex-direction:column;gap:16px;align-items:center}

/* ---------- 信任数据条 ---------- */
.stats{background:var(--ink);color:#eaf3f0;padding:26px 0}
.stats .row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stats b{display:block;font-size:28px;color:#fff;letter-spacing:.5px}
.stats b i{font-style:normal;color:var(--amber)}
.stats span{font-size:13.5px;color:#a9c3bd}

/* ---------- 通用区块 ---------- */
.section{padding:58px 0}
.section.tint{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section.tint2{background:var(--bg-2)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 36px}
.sec-head .kicker{color:var(--coral);font-weight:800;font-size:14px;letter-spacing:1.5px}
.sec-head h2{font-size:clamp(24px,3.2vw,32px);margin:8px 0 10px}
.sec-head p{color:var(--mute);margin:0}

/* ---------- 功能卡 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;
  box-shadow:var(--shadow-s);transition:.22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ic-box{
  width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-l);margin-bottom:14px;
}
.card .ic-box svg{width:26px;height:26px}
.card h3{font-size:18.5px;margin-bottom:8px}
.card p{color:var(--ink-2);font-size:15px;margin:0}
.card .more{display:inline-block;margin-top:12px;font-size:14.5px;font-weight:700}

/* ---------- 截图画廊 ---------- */
.shots{
  display:grid;grid-template-columns:repeat(6,1fr);gap:16px;
}
.shot{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:9px;
  box-shadow:var(--shadow-s);transition:.22s;
}
.shot:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.shot img{width:100%;height:auto;border-radius:16px}
.shot .cap{text-align:center;font-size:13px;color:var(--mute);padding:9px 2px 3px}

/* ---------- 深度内容入口 ---------- */
.deep{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.deep a.dcard{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-s);transition:.22s;color:inherit;
}
.deep a.dcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);color:inherit}
.deep .dcard .top{height:112px;display:flex;align-items:center;justify-content:center;position:relative}
.deep .dcard .top svg{width:44px;height:44px}
.deep .dcard .body{padding:20px 22px 22px}
.deep .dcard h3{font-size:18px;margin-bottom:8px}
.deep .dcard p{color:var(--ink-2);font-size:14.6px;margin:0}
.deep .dcard .go{margin-top:12px;font-weight:700;font-size:14.5px;color:var(--brand-d)}

/* ---------- 数据/评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-s);display:flex;flex-direction:column;gap:12px;
}
.review .stars{color:var(--amber);font-size:16px;letter-spacing:2px}
.review p{margin:0;color:var(--ink-2);font-size:15px}
.review .who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:8px;border-top:1px dashed var(--line)}
.review .av{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--brand-l);color:var(--brand-d);font-weight:800;font-size:15px;flex:0 0 auto}
.review .who b{display:block;font-size:14.5px;color:var(--ink)}
.review .who span{font-size:12.5px;color:var(--mute)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;
  box-shadow:var(--shadow-s);overflow:hidden;
}
.faq summary{
  cursor:pointer;padding:18px 54px 18px 22px;font-weight:700;font-size:16.5px;list-style:none;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;color:var(--brand);font-weight:700;line-height:1;
}
.faq details[open] summary::after{content:"–";color:var(--coral)}
.faq details[open] summary{background:var(--brand-l);color:var(--brand-d)}
.faq .ans{padding:4px 22px 20px;color:var(--ink-2);font-size:15.2px}
.faq .ans p:last-child{margin-bottom:0}
.faq-group{margin:34px 0 14px;font-size:19px;color:var(--ink);display:flex;align-items:center;gap:10px}
.faq-group::before{content:"";width:6px;height:22px;border-radius:3px;background:var(--brand)}

/* ---------- 步骤 ---------- */
.steps{counter-reset:s;display:grid;gap:18px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px 22px 84px;box-shadow:var(--shadow-s);
}
.step::before{
  counter-increment:s;content:counter(s);
  position:absolute;left:22px;top:22px;width:44px;height:44px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{margin:0;color:var(--ink-2);font-size:15.2px}
.step p+p{margin-top:8px}

/* ---------- 文章正文（内页） ---------- */
.page-head{
  background:linear-gradient(180deg,#f1faf5,#f8fdfb);padding:44px 0 34px;
  border-bottom:1px solid var(--line);
}
.crumb{font-size:13.5px;color:var(--mute);margin-bottom:14px}
.crumb a{color:var(--mute)}
.crumb a:hover{color:var(--brand-d)}
.page-head h1{font-size:clamp(26px,3.6vw,38px);margin-bottom:12px}
.page-head .sub{color:var(--ink-2);font-size:16.5px;max-width:820px}
.prose{max-width:900px;margin:0 auto;font-size:16.4px;color:#2c3d4f}
.prose h2{font-size:24px;margin:38px 0 14px;padding-left:14px;border-left:5px solid var(--brand);line-height:1.3}
.prose h3{font-size:19px;margin:26px 0 10px;color:var(--brand-d)}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:1.4em}
.prose li{margin:.4em 0}
.prose strong{color:var(--ink)}
.prose .note{
  background:var(--brand-l);border-left:5px solid var(--brand);border-radius:0 12px 12px 0;
  padding:16px 20px;margin:20px 0;font-size:15.4px;color:var(--ink-2);
}
.prose .warn{background:#fff6e9;border-left-color:var(--amber)}
.prose figure{margin:22px 0;text-align:center}
.prose figure img{border-radius:16px;box-shadow:var(--shadow-s);border:1px solid var(--line);max-width:340px;margin:0 auto}
.prose figcaption{font-size:13.5px;color:var(--mute);margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.prose th{background:var(--brand-l);color:var(--brand-d);font-weight:700}
.prose tbody tr:nth-child(even){background:#fbfefd}
.related{
  margin:38px auto 0;max-width:900px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-s);
}
.related h2{font-size:19px;margin-bottom:12px;border:0;padding:0}
.related ul{margin:0;padding-left:1.2em}
.related li{margin:.45em 0}

/* ---------- 下载条 ---------- */
.dl-band{
  background:linear-gradient(135deg,#12a86c,#0d9a9a);color:#fff;padding:52px 0;text-align:center;
}
.dl-band h2{color:#fff;font-size:clamp(23px,3vw,30px);margin-bottom:10px}
.dl-band p{color:#dff6ec;max-width:640px;margin:0 auto 22px}
.dl-band .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.dl-band .btn{background:#fff;color:var(--brand-d);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.dl-band .btn:hover{color:var(--brand-d)}
.dl-band .btn.coral{background:var(--amber);color:#5a3d00}
.dl-band .fine{margin-top:16px;font-size:13px;color:#c9ece0}

/* ---------- 页脚 ---------- */
.foot{background:#16212c;color:#a9bcc9;padding:46px 0 26px;font-size:14.4px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;margin-bottom:30px}
.foot h4{color:#fff;font-size:15.5px;margin-bottom:12px}
.foot a{color:#a9bcc9;display:block;padding:3px 0}
.foot a:hover{color:var(--brand)}
.foot .fbrand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.foot .fbrand img{width:38px;height:38px;border-radius:11px}
.foot .fbrand b{color:#fff;font-size:19px}
.foot .disclaim{
  border-top:1px solid #24313d;padding-top:20px;font-size:13.4px;color:#8ba0af;line-height:1.8;
}
.foot .disclaim p{margin:0 0 6px}
.foot .copy{text-align:center;margin-top:16px;color:#7a8f9e;font-size:13px}

/* ---------- 渐显动画（渐进增强） ---------- */
.reveal{opacity:1}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{justify-content:flex-start}
  .cards{grid-template-columns:repeat(2,1fr)}
  .deep{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .shots{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav{height:auto;padding:10px 0;flex-wrap:wrap}
  .menu{width:100%;order:3;margin-left:0;justify-content:flex-start}
  .nav .btn-dl{margin-left:auto}
  .stats .row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  body{font-size:15.4px}
  .section{padding:40px 0}
  .hero{padding:34px 0 40px}
  .hero .cta .btn{flex:1 1 auto}
  .cards,.deep,.review-grid{grid-template-columns:1fr}
  .shots{grid-template-columns:repeat(2,1fr)}
  .hero-visual{flex-wrap:wrap;justify-content:center;gap:12px}
  .phone{width:46vw;max-width:210px}
  .phone.small{width:32vw;max-width:150px}
  .step{padding:22px 20px 20px 20px}
  .step::before{position:static;margin-bottom:12px;display:flex}
  .menu a{padding:8px 12px;font-size:14px}
  .foot-grid{grid-template-columns:1fr}
  .stats .row{grid-template-columns:1fr 1fr}
  .prose figure img{max-width:100%}
}