/* ========== 漫蛙2 · 漫画阅读专题站 · 全站样式 ========== */
:root{
  --ink:#1E2B26;          /* 墨绿黑 */
  --ink-2:#36443C;
  --ink-3:#7E8A7D;
  --bg:#F5F2E9;           /* 纸感米白 */
  --card:#FFFDF6;
  --line:#E6E0D1;
  --line-2:#D4CDBC;
  --primary:#12A564;      /* 蛙绿 */
  --primary-2:#0C8A58;
  --leaf:#35C48C;         /* 嫩叶绿 */
  --leaf-soft:#DDF4E8;
  --amber:#FFC53D;        /* 蕉黄 */
  --coral:#FF6B9D;        /* 蛙粉 */
  --sun:#FF9A3D;
  --gradient:linear-gradient(135deg,#12A564,#35C48C);
  --pond:radial-gradient(ellipse at 80% 0%,#1d7a55 0%,transparent 55%),
          radial-gradient(ellipse at 8% 92%,#0b5b48 0%,transparent 60%),
          linear-gradient(140deg,#0C3B2F,#11674D 55%,#1B9E66);
  --shadow-sm:0 8px 20px -10px rgba(30,43,38,.16);
  --shadow-md:0 18px 44px -18px rgba(30,43,38,.28);
  --radius:18px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",
              "Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 28px}
.container-wide{max-width:1280px;margin:0 auto;padding:0 28px}

/* ============== 顶栏 ============== */
header.site-nav{
  position:sticky;top:0;z-index:60;background:rgba(245,242,233,.85);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(230,224,209,.8);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px;color:var(--ink)}
.brand img{height:40px;width:auto}
.brand .sub{font-size:12px;letter-spacing:.15em;color:var(--ink-3);font-weight:500}
.nav-menu{display:flex;gap:6px;align-items:center}
.nav-menu a{padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);transition:all .18s}
.nav-menu a:hover{background:var(--leaf-soft);color:var(--primary-2)}
.nav-menu a.active{color:var(--primary);background:rgba(18,165,100,.1);font-weight:700}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:800;font-size:15px;
  border:0;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;
}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 10px 24px -10px rgba(18,165,100,.55)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px -12px rgba(18,165,100,.6)}
.btn-amber{background:linear-gradient(135deg,#FFB020,#FFC53D);color:#3A2F12;box-shadow:0 10px 22px -10px rgba(255,180,30,.6)}
.btn-ghost{background:rgba(255,255,255,.55);color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{background:#fff}
.btn-lg{padding:16px 30px;font-size:17px}
.btn-sm{padding:8px 16px;font-size:13px}
.icon-svg{width:18px;height:18px;flex:none}
.icon-svg-lg{width:24px;height:24px;flex:none}
.nav-toggle{display:none;background:transparent;border:0;color:var(--ink);font-size:26px}
@media (max-width:960px){
  .nav-menu{display:none;position:absolute;top:72px;left:0;right:0;background:rgba(245,242,233,.97);
    -webkit-backdrop-filter:blur(12px);padding:14px 22px 18px;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px}
  .nav-toggle{display:inline-flex}
  .nav-cta .btn-sm{display:none}
}
@media (max-width:520px){
  .brand .sub{display:none}
  .container,.container-wide{padding:0 18px}
}

/* ============== Hero ============== */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--pond);border-bottom:1px solid rgba(255,255,255,.06)}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.45;pointer-events:none}
.hero::before{width:480px;height:480px;background:var(--amber);top:-150px;right:-60px}
.hero::after{width:420px;height:420px;background:var(--coral);bottom:-150px;left:-80px}
.hero .leaflet{position:absolute;pointer-events:none;color:rgba(255,255,255,.14);font-size:120px;
  font-family:Georgia,serif;line-height:1}
.hero-row{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr 1fr;gap:40px;align-items:center;padding:84px 0 92px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 14px;font-size:13px;letter-spacing:.06em;color:#FFE08A}
.hero h1{font-size:54px;line-height:1.16;margin:18px 0 14px;font-weight:900}
.hero h1 .accent{background:linear-gradient(135deg,#FFE08A,#FFC53D,#FF9A3D);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;line-height:1.78;color:rgba(225,240,231,.9);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:rgba(225,240,231,.85);align-items:center}
.hero-trust strong{color:#fff;font-size:18px;font-weight:900;margin-right:6px}
.hero-trust .sep{width:1px;height:22px;background:rgba(255,255,255,.2)}
.hero .safe-note{margin-top:18px;font-size:13px;color:rgba(225,240,231,.6)}
/* 阅读器叠图 */
.shelf-scene{position:relative;height:540px}
.shelf-scene .f{position:absolute;border-radius:30px;overflow:hidden;
  background:#0E3B2F;border:8px solid #1B4A39;box-shadow:0 34px 66px -22px rgba(0,0,0,.65)}
.shelf-scene img{width:100%;height:100%;object-fit:cover}
.shelf-scene .f1{width:220px;height:462px;left:0;top:34px;transform:rotate(-5deg)}
.shelf-scene .f2{width:262px;height:548px;left:50%;top:-14px;transform:translateX(-50%);z-index:2}
.shelf-scene .f3{width:222px;height:466px;right:0;top:44px;transform:rotate(5deg)}
.shelf-scene .float-chip{position:absolute;z-index:4;font-weight:800;border-radius:999px;
  padding:10px 16px;font-size:13.5px;box-shadow:var(--shadow-md)}
.shelf-scene .fc1{left:6%;top:8%;background:var(--amber);color:#3A2F12;transform:rotate(-4deg)}
.shelf-scene .fc2{right:8%;bottom:16%;background:#fff;color:var(--primary);transform:rotate(3deg)}
@media (max-width:960px){
  .hero-row{grid-template-columns:1fr;padding:52px 0 60px}
  .hero h1{font-size:38px}
  .shelf-scene{height:430px;margin-top:20px}
  .shelf-scene .f1{width:176px;height:368px}
  .shelf-scene .f2{width:224px;height:470px}
  .shelf-scene .f3{width:180px;height:376px}
}

/* ============== 通用区块 ============== */
section.block{padding:70px 0}
section.block.tight{padding:50px 0}
.kicker{font-size:13px;letter-spacing:.2em;color:var(--primary);font-weight:900;text-transform:uppercase}
.sec-h{font-size:35px;font-weight:900;margin:8px 0 12px;color:var(--ink);line-height:1.3}
.sec-lead{font-size:16px;color:var(--ink-3);max-width:780px;line-height:1.8}
@media (max-width:760px){.sec-h{font-size:27px}}

/* ============== 数据条 ============== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.stats .item{background:var(--card);border-radius:var(--radius);padding:22px 16px;text-align:center;
  border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.stats .num{font-size:31px;font-weight:900;color:var(--primary-2)}
.stats .lab{margin-top:4px;color:var(--ink-3);font-size:14px}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ============== 功能卡片 ============== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:30px}
@media (max-width:960px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:var(--radius);padding:26px 24px;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.card .ico{width:46px;height:46px;border-radius:14px;background:var(--gradient);
  display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:15px}
.card h3{margin:0 0 8px;font-size:19.5px}
.card p{margin:0;color:var(--ink-3);font-size:14.5px;line-height:1.8}
.card .tag{display:inline-block;margin-top:14px;font-size:12.5px;color:var(--primary-2);
  background:var(--leaf-soft);padding:4px 10px;border-radius:999px}

/* ============== 预览图 ============== */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.shot{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.shot img{aspect-ratio:720/1600;width:100%}
.shot .cap{padding:14px 18px;border-top:1px solid var(--line)}
.shot .cap b{font-size:16px}
.shot .cap span{display:block;margin-top:2px;color:var(--ink-3);font-size:13.5px}
@media (max-width:960px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.gallery{grid-template-columns:1fr}}

/* ============== 深度入口 ============== */
.deeps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.deep-card{position:relative;padding:26px 22px 24px;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(160deg,#fffdf6,#EFF6EA);border:1px solid var(--line);transition:all .25s}
.deep-card::after{content:"";position:absolute;right:-46px;top:-46px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,197,61,.65),transparent 70%)}
.deep-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.deep-card .num-tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;
  background:var(--leaf-soft);color:var(--primary-2);font-size:12px;font-weight:900;letter-spacing:.08em}
.deep-card h3{margin:13px 0 8px;font-size:18px}
.deep-card p{margin:0 0 16px;color:var(--ink-3);font-size:14px;line-height:1.75}
.deep-card .more{font-size:14px;color:var(--primary);font-weight:800;display:inline-flex;gap:6px}
.deep-card .more::after{content:"→";transition:transform .2s}
.deep-card:hover .more::after{transform:translateX(4px)}
@media (max-width:960px){.deeps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.deeps{grid-template-columns:1fr}}

/* ============== 评价 ============== */
.reviews-wrap{display:grid;grid-template-columns:1fr 320px;gap:30px;margin-top:34px}
.reviews-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.review{background:var(--card);border-radius:var(--radius);padding:22px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.review .stars{color:var(--amber);font-size:15px;letter-spacing:1px}
.review p{margin:10px 0 14px;font-size:15px;color:var(--ink-2);line-height:1.8}
.review .who{display:flex;align-items:center;gap:12px}
.review .avatar{width:42px;height:42px;border-radius:50%;background:var(--gradient);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.review .who small{color:var(--ink-3);font-size:13px}
.sidecard{background:var(--pond);color:#fff;border-radius:var(--radius);padding:26px;position:relative;overflow:hidden}
.sidecard::after{content:"";position:absolute;right:-60px;bottom:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,197,61,.5),transparent 70%)}
.sidecard h3{margin:0 0 14px;font-size:21px}
.sidecard .big{font-size:38px;font-weight:900;margin:10px 0 4px}
.sidecard p{color:rgba(225,240,231,.85);font-size:14.5px;line-height:1.8;margin:0 0 14px}
.sidecard ul{padding-left:18px;color:rgba(225,240,231,.92);font-size:14px;line-height:2}
@media (max-width:960px){.reviews-wrap{grid-template-columns:1fr}.reviews-list{grid-template-columns:1fr}}

/* ============== FAQ ============== */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:30px}
.faq-item{background:var(--card);border-radius:var(--radius);border:1px solid var(--line);overflow:hidden}
.faq-item summary{padding:18px 22px;font-weight:800;font-size:16.5px;cursor:pointer;list-style:none;padding-right:56px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;margin-top:-16px;width:30px;height:30px;border-radius:50%;
  background:var(--leaf-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:22px;line-height:1;transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .body{padding:0 22px 22px;color:var(--ink-2);line-height:1.9;font-size:15px}
.faq-item summary{position:relative}

/* ============== 速查表 ============== */
.trouble-table{margin-top:22px;background:var(--card);border-radius:var(--radius);border:1px solid var(--line);overflow:hidden}
.t-row{display:grid;grid-template-columns:1.1fr 1.4fr 1fr;gap:14px;padding:14px 20px;
  border-bottom:1px solid var(--line);font-size:14.5px}
.t-row:last-child{border-bottom:0}
.t-row.head{background:var(--leaf-soft);font-weight:800;color:var(--ink-2)}
.t-row .a{color:var(--ink-2)}
.t-row .b{color:var(--primary-2)}
@media (max-width:760px){.t-row{grid-template-columns:1fr}.t-row.head{display:none}}

/* ============== 步骤 ============== */
.steps{margin-top:34px;display:flex;flex-direction:column;gap:18px}
.step{background:var(--card);border-radius:var(--radius);padding:24px 26px;border:1px solid var(--line);
  display:grid;grid-template-columns:64px 1fr;gap:18px;box-shadow:var(--shadow-sm)}
.step .num{width:64px;height:64px;border-radius:22px;background:var(--gradient);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:900;
  box-shadow:0 10px 22px -8px rgba(18,165,100,.5);transform:rotate(-3deg)}
.step h3{margin:0 0 8px;font-size:18px}
.step p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.9}
.step .art{aspect-ratio:720/1600;width:100%;max-width:330px;border-radius:14px;border:1px solid var(--line);margin-top:14px}
@media (max-width:760px){.step{grid-template-columns:1fr}}

/* ============== 阅读功能深度 ============== */
.feature-block{margin-top:42px}
.feature-block .head{display:flex;align-items:flex-start;gap:18px}
.feature-block .head .ico{width:54px;height:54px;border-radius:16px;background:var(--gradient);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:none}
.feature-block .head h2{margin:0;font-size:25px}
.feature-block .head p{margin:6px 0 0;color:var(--ink-3);font-size:15px}
.feature-block .body{display:grid;grid-template-columns:1.15fr 1fr;gap:30px;margin-top:20px;align-items:start}
.feature-block .shot img{aspect-ratio:720/1600;border-radius:18px;border:1px solid var(--line)}
.feature-block ul{padding-left:18px;margin:0;color:var(--ink-2);font-size:15px;line-height:2}
.feature-block .callout{background:#FFF6E3;border:1px solid #FFD97A;color:#8A5B12;border-radius:14px;
  padding:13px 17px;font-size:14.5px;line-height:1.8;margin-top:14px}
@media (max-width:960px){.feature-block .body{grid-template-columns:1fr}}

/* ============== CTA ============== */
.cta-band{margin-top:44px;border-radius:22px;padding:36px;background:linear-gradient(135deg,#0C3B2F,#15875C);
  color:#fff;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.cta-band h3{margin:0 0 6px;font-size:23px}
.cta-band p{margin:0;color:rgba(225,240,231,.85);font-size:15px}
@media (max-width:760px){.cta-band{grid-template-columns:1fr}}

/* ============== Footer ============== */
footer.site-foot{margin-top:60px;background:linear-gradient(180deg,#0B3327,#11674D);color:rgba(225,240,231,.8);padding:54px 0 26px}
footer h4{color:#fff;margin:0 0 14px;font-size:15px;letter-spacing:.1em;text-transform:uppercase}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;margin-bottom:34px}
.foot-grid p{font-size:14px;line-height:1.85;margin:8px 0 0}
.foot-grid ul{padding:0;list-style:none;margin:0;display:flex;flex-direction:column;gap:10px;font-size:14.5px}
.foot-grid ul a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(225,240,231,.6)}
.disclaimer{margin-top:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;
  padding:14px 18px;font-size:13.5px;line-height:1.85;color:rgba(225,240,231,.75)}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}.foot-bottom{flex-direction:column;align-items:flex-start}}

/* ============== 工具 ============== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
.to-top{position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--gradient);
  color:#fff;display:flex;align-items:center;justify-content:center;border:0;cursor:pointer;
  box-shadow:0 14px 30px -10px rgba(18,165,100,.55);opacity:0;transform:translateY(8px);transition:all .25s;z-index:80}
.to-top.show{opacity:1;transform:translateY(0)}