/* =========================================================
   漫蛙 · 官网样式
   主题：网点纸 + 墨线分格
   纸面：#FAF6EB  墨：#1B1813  蛙绿：#2F7A28
   ========================================================= */

:root{
  --paper:#FAF6EB;
  --paper-2:#F2EBD9;
  --ink:#1B1813;
  --ink-2:#4A4740;
  --ink-3:#756F62;
  --green:#2F7A28;
  --green-ink:#1E5418;
  --green-soft:#DCEBD2;
  --line:rgba(27,24,19,.72);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%}

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 20px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 24px;
  border-radius:4px;
  border:2px solid var(--ink);
  font-size:14.5px;
  font-weight:800;
  text-decoration:none;
  white-space:nowrap;
  transition:background-color .16s ease,color .16s ease,transform .16s ease;
}
.btn-primary{
  background:var(--green);
  border-color:var(--green-ink);
  color:#fff;
}
.btn-primary:hover{background:var(--green-ink);border-color:var(--green-ink)}
.btn-line{background:transparent;color:var(--ink)}
.btn-line:hover{background:var(--green-soft)}
.btn-green{background:var(--green-soft);border-color:var(--green-soft);color:var(--green-ink)}
.btn-green:hover{background:#fff}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;border-width:2px}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--paper);
  border-bottom:2px solid var(--ink);
}
.site-header.is-scrolled{box-shadow:0 2px 0 rgba(27,24,19,.18)}

.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  min-height:66px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  text-decoration:none;
}
.brand img{
  display:block;
  width:40px;
  height:40px;
  border-radius:8px;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.02em}

.site-nav{display:none}
body.nav-open .site-nav{
  display:flex;
  flex-direction:column;
  position:absolute;
  left:-20px;
  right:-20px;
  top:100%;
  margin-top:2px;
  padding:0 20px 10px;
  background:var(--paper);
  border-bottom:2px solid var(--ink);
}
.site-nav a{
  display:block;
  padding:12px 2px;
  border-bottom:1px solid rgba(27,24,19,.2);
  font-size:14px;
  font-weight:700;
  color:var(--ink-2);
  text-decoration:none;
}
.site-nav a:hover{color:var(--green-ink)}

.header-cta{margin-left:auto}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  padding:0;
  border:2px solid var(--ink);
  border-radius:4px;
  background:transparent;
  color:var(--ink);
  cursor:pointer;
}

/* ---------- 首屏 ---------- */
.hero{
  padding:42px 0 48px;
  background-color:var(--paper);
  background-image:radial-gradient(rgba(47,122,40,.16) 1.2px, transparent 1.4px);
  background-size:16px 16px;
  border-bottom:2px solid var(--ink);
}
.hero-grid{display:grid;gap:34px}

.kicker{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--ink-2);
}
.kicker span{
  padding:2px 7px;
  border:1.5px solid var(--ink);
  border-radius:3px;
  font-size:11.5px;
  letter-spacing:.12em;
  background:#fff;
  color:var(--ink);
}

h1{
  margin:14px 0 14px;
  font-size:clamp(52px,14vw,96px);
  line-height:.96;
  font-weight:900;
  letter-spacing:-.02em;
  text-shadow:3px 3px 0 rgba(47,122,40,.22);
}
.hero-lead{
  margin:0;
  max-width:34ch;
  font-size:15px;
  line-height:1.75;
  color:var(--ink-2);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:24px 0 22px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin:0;
  padding:0;
  list-style:none;
}
.hero-meta li{
  padding:3px 9px;
  border:1.5px solid rgba(27,24,19,.4);
  border-radius:3px;
  font-size:12px;
  color:var(--ink-2);
  background:rgba(255,255,255,.6);
}

.hero-panels{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px;
  align-items:end;
}

.panel{
  position:relative;
  margin:0;
  border:2px solid var(--ink);
  border-radius:4px;
  background:#fff;
  overflow:hidden;
}
.panel img{display:block;width:100%;height:auto}
.panel-tag{
  position:absolute;
  top:6px;
  left:6px;
  z-index:2;
  padding:1px 5px;
  border:1.5px solid var(--ink);
  border-radius:2px;
  background:var(--paper);
  font-size:10px;
  font-weight:800;
  letter-spacing:.06em;
  line-height:1.6;
}
.panel figcaption{
  padding:5px 7px;
  border-top:2px solid var(--ink);
  background:var(--paper);
  font-size:11px;
  font-weight:700;
  color:var(--ink-2);
}

/* ---------- 区块通用 ---------- */
.body{padding:0 0 56px}

.block{
  padding-top:34px;
  border-top:2px solid var(--ink);
  margin-top:44px;
  scroll-margin-top:88px;
}
.block:first-of-type{margin-top:0}

h2{
  display:flex;
  align-items:baseline;
  gap:12px;
  margin:0 0 12px;
  font-size:clamp(25px,4.8vw,36px);
  line-height:1.18;
  font-weight:900;
  letter-spacing:-.015em;
}
h2 .n{
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--green-ink);
  font-variant-numeric:tabular-nums;
}
.lead{
  margin:0 0 20px;
  max-width:60ch;
  font-size:14.5px;
  line-height:1.75;
  color:var(--ink-2);
}
.note{
  margin:14px 0 0;
  font-size:12px;
  color:var(--ink-3);
}

/* ---------- 01 题材 ---------- */
.cat-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}
.cat-panel{
  display:grid;
  gap:4px;
  padding:14px 16px;
  border:2px solid var(--ink);
  border-radius:4px;
  background:#fff;
}
.cat-panel b{font-size:15.5px}
.cat-panel span{
  font-size:13.5px;
  line-height:1.7;
  color:var(--ink-2);
}

/* ---------- 02 功能 ---------- */
.power-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
}
.power-panel{
  position:relative;
  padding:16px 16px 18px;
  border:2px solid var(--ink);
  border-radius:4px;
  background:var(--green-soft);
}
.power-panel .panel-tag{top:8px;right:8px;left:auto;background:#fff}
.power-panel h3{
  margin:0 0 6px;
  padding-right:34px;
  font-size:15.5px;
  font-weight:800;
}
.power-panel p{
  margin:0;
  font-size:13.5px;
  line-height:1.75;
  color:var(--ink-2);
}

/* ---------- 03 更新 ---------- */
.up-list{
  max-width:780px;
  margin:0;
  padding:0;
  list-style:none;
  border-top:1px solid rgba(27,24,19,.2);
}
.up-list li{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:baseline;
  gap:10px;
  padding:12px 0;
  border-bottom:1px solid rgba(27,24,19,.2);
}
.up-day{
  padding:1px 7px;
  border:1.5px solid rgba(27,24,19,.35);
  border-radius:3px;
  font-size:11.5px;
  color:var(--ink-2);
  white-space:nowrap;
}
.up-list b{font-size:14.5px}
.up-state{
  font-size:12.5px;
  color:var(--green-ink);
  font-weight:700;
  white-space:nowrap;
}

/* ---------- 04 界面 ---------- */
.shot-list{display:grid;gap:0}
.shot-row{
  display:grid;
  gap:14px;
  margin:0;
  padding:18px 0;
  border-top:1px solid rgba(27,24,19,.2);
}
.shot-row:last-child{border-bottom:1px solid rgba(27,24,19,.2)}
.shot-frame{
  max-width:200px;
  overflow:hidden;
  border:2px solid var(--ink);
  border-radius:4px;
  background:#fff;
}
.shot-frame img{display:block;width:100%;height:auto}
.shot-row figcaption{display:grid;gap:5px;align-content:center}
.shot-row figcaption b{font-size:14.5px}
.shot-row figcaption span{
  max-width:52ch;
  font-size:13.5px;
  line-height:1.75;
  color:var(--ink-2);
}

/* ---------- 05 短评 ---------- */
.quote-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.quote-grid blockquote{
  margin:0;
  padding:16px 16px 14px;
  border:2px solid var(--ink);
  border-radius:4px;
  background:#fff;
}
.quote-grid blockquote p{
  margin:0 0 10px;
  font-size:14px;
  line-height:1.8;
  color:var(--ink);
}
.quote-grid .mark{
  background:linear-gradient(transparent 60%, var(--green-soft) 60%);
  -webkit-box-decoration-break:clone;
  box-decoration-break:clone;
}
.quote-grid blockquote footer{
  font-size:12px;
  color:var(--ink-3);
}

/* ---------- 06 问答 ---------- */
.faq{border-top:1px solid rgba(27,24,19,.2)}
.faq details{border-bottom:1px solid rgba(27,24,19,.2)}
.faq summary{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:14px 0;
  font-size:14.5px;
  font-weight:800;
  cursor:pointer;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  margin-left:auto;
  font-size:16px;
  font-weight:700;
  color:var(--green-ink);
}
.faq details[open] summary::after{content:"−"}
.faq-no{
  font-size:11.5px;
  font-weight:800;
  color:var(--green-ink);
}
.faq details p{
  margin:0;
  padding:0 0 16px 28px;
  max-width:62ch;
  font-size:13.5px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ---------- 07 下载 ---------- */
.block-cta{
  padding-top:0;
  border-top:0;
  margin-top:48px;
}
.cta{
  position:relative;
  display:grid;
  gap:18px;
  padding:28px 22px;
  border-radius:6px;
  background:var(--ink);
  color:#fff;
  overflow:hidden;
}
.cta::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.12) 1.2px, transparent 1.4px);
  background-size:14px 14px;
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1}
.cta .kicker{color:rgba(255,255,255,.7)}
.cta .kicker span{
  border-color:rgba(255,255,255,.5);
  background:transparent;
  color:#fff;
}
.cta h2{
  display:block;
  margin:12px 0 10px;
  font-size:clamp(23px,4.4vw,34px);
  color:#fff;
  letter-spacing:-.01em;
}
.cta p{
  margin:0 0 22px;
  max-width:48ch;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.78);
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
}
.cta-meta{font-size:12.5px;color:rgba(255,255,255,.66)}
.cta-frog{display:none}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:2px solid var(--ink);
  padding:24px 0;
  background:var(--paper);
}
.footer-inner{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:800;
}
.footer-brand img{
  display:block;
  width:28px;
  height:28px;
  border-radius:6px;
}
.footer-note{margin:0;font-size:12.5px;color:var(--ink-2)}
.footer-copy{margin:0;font-size:12px;color:var(--ink-3)}

/* ---------- 断点 ---------- */
@media (min-width:640px){
  .wrap{padding:0 28px}
  .header-inner{min-height:70px}

  .hero{padding:52px 0 60px}
  .hero-panels{gap:12px}

  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .power-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quote-grid{grid-template-columns:repeat(3,minmax(0,1fr))}

  .shot-row{grid-template-columns:200px minmax(0,1fr);align-items:center;column-gap:28px}
  .shot-row figcaption b{font-size:15px;margin-bottom:2px}

  .cta{padding:38px 34px}
  .footer-inner{flex-direction:row;align-items:center;gap:22px}
  .footer-copy{margin-left:auto}
}

@media (min-width:900px){
  .site-nav{
    display:flex;
    align-items:center;
    gap:26px;
    margin-left:auto;
  }
  .site-nav a{
    padding:6px 0;
    border-bottom:0;
    font-size:13.5px;
  }
  .header-cta{margin-left:30px}
  .nav-toggle{display:none}
  body.nav-open .site-nav{
    position:static;
    display:flex;
    flex-direction:row;
    margin:0;
    padding:0;
    border:0;
  }

  .hero-grid{
    grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
    align-items:center;
    column-gap:52px;
  }
  .hero-panels{gap:10px}
  .panel figcaption{font-size:11.5px}

  .cat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .power-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}

@media (min-width:1080px){
  .wrap{padding:0 36px}
  .header-inner{min-height:74px}

  .block{margin-top:52px;padding-top:38px}

  .cta{
    grid-template-columns:minmax(0,1fr) 150px;
    align-items:center;
    padding:44px 40px;
  }
  .cta-frog{
    display:block;
    position:relative;
    z-index:1;
    justify-self:end;
    opacity:.9;
  }
  .cta-frog img{
    display:block;
    width:130px;
    height:130px;
    border-radius:14px;
  }
}

@media (min-width:1180px){
  .hero{padding:68px 0 76px}
  .hero-lead{max-width:30ch}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn{transition:none}
}

:focus-visible{
  outline:2px solid var(--green-ink);
  outline-offset:2px;
}