:root{
  --blue:#2b7cf0;
  --blue-dark:#1d63c9;
  --blue-soft:#eaf2fe;
  --ink:#0d1420;
  --ink-2:#33415a;
  --muted:#6b7a92;
  --line:#e5ecf5;
  --bg:#ffffff;
  --bg-soft:#f6f9fd;
  --radius:14px;
  --shadow:0 2px 10px rgba(16,40,80,.06);
  --shadow-lift:0 10px 28px rgba(16,40,80,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;
  -webkit-font-smoothing:antialiased;font-size:15px;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--blue);
  background:var(--blue-soft);border-radius:999px;padding:5px 13px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
h2.sec-title{font-size:clamp(22px,3.2vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.3;margin:14px 0 10px}
p.sec-sub{color:var(--muted);max-width:640px;font-size:15px}
section{padding:64px 0;position:relative}
.sec-head{margin-bottom:34px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0}
.brand img{height:32px;width:auto;border-radius:8px}
.brand span{font-weight:800;font-size:17px;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--ink-2);font-weight:500}
.nav-links a{white-space:nowrap;transition:color .2s}
.nav-links a:hover{color:var(--blue)}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;background:var(--blue);color:#fff!important;
  font-weight:700;font-size:14px;padding:9px 18px;border-radius:10px;transition:background .2s,transform .2s;
}
.nav-cta:hover{background:var(--blue-dark);transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:7px 11px;font-size:13px;color:var(--ink-2);cursor:pointer}
@media(max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-block}
  .nav-links.open{
    display:flex;position:absolute;left:0;right:0;top:64px;flex-direction:column;
    align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);
    padding:8px 20px 16px;box-shadow:var(--shadow)
  }
  .nav-links.open a{padding:11px 0;border-bottom:1px solid var(--line)}
  .nav-links.open a:last-child{border-bottom:0}
  .nav-links.open .nav-cta{justify-content:center;margin-top:10px;border-bottom:0!important}
}

/* 首屏 */
.hero{
  background:
    linear-gradient(var(--line) 1px,transparent 1px) 0 0/100% 44px,
    linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/44px 100%,
    linear-gradient(180deg,#fbfdff,#eef5fe);
  border-bottom:1px solid var(--line);overflow:hidden;padding:58px 0 68px;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.24;letter-spacing:-.02em;margin:18px 0 16px;
}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-lead{color:var(--ink-2);font-size:16px;max-width:520px}
.hero-points{display:flex;flex-wrap:wrap;gap:9px;margin:24px 0 28px}
.hero-points li{
  font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:6px 13px;box-shadow:var(--shadow)
}
.dl-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:15px;padding:13px 24px;border-radius:11px;
  border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s;
  font-family:inherit;line-height:1.2;
}
.btn-android{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(43,124,240,.28)}
.btn-android:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow)}
.btn-ghost:hover{border-color:#c9d9ee;transform:translateY(-2px)}
.btn small{display:block;font-size:11px;font-weight:500;opacity:.8;margin-top:1px}
.dl-note{font-size:12.5px;color:var(--muted);margin-top:14px}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:340px}
.hero-shot{
  width:210px;border-radius:26px;overflow:hidden;border:6px solid #fff;
  box-shadow:0 22px 48px rgba(16,40,80,.18);position:relative;z-index:2;background:#fff;
  animation:floatY 6s ease-in-out infinite;
}
.hero-shot img{width:100%;height:auto}
.hero-shot.back{
  position:absolute;width:178px;z-index:1;left:0;top:32px;
  transform:rotate(-7deg);opacity:.95;animation-delay:-2.4s
}
.hero-shot.front{transform:rotate(3deg)}
.hero-shot.back{transform:rotate(-8deg) translateY(6px)}
@keyframes floatY{0%,100%{translate:0 0}50%{translate:0 -12px}}
.hero-badge{
  position:absolute;z-index:3;right:0;bottom:14px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:10px 14px;box-shadow:var(--shadow-lift);font-size:12.5px;font-weight:700;color:var(--ink-2)
}
.hero-badge b{color:var(--blue);display:block;font-size:16px}
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{min-height:300px;justify-content:flex-start;padding-left:14px}
  .hero-badge{right:auto;left:210px;bottom:0}
}
@media(max-width:768px){
  section{padding:44px 0}
  .hero{padding:38px 0 48px}
  .hero-visual{min-height:260px;justify-content:center;padding-left:0}
  .hero-shot{width:168px}
  .hero-shot.back{width:138px;left:4px;top:24px}
  .hero-badge{position:static;margin-top:18px;text-align:center}
  .btn{width:100%}
  .dl-row{flex-direction:column;align-items:stretch}
}

/* 认识拷贝漫画：Z 字型 */
.zrow{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;margin-bottom:52px}
.zrow:last-child{margin-bottom:0}
.zrow.reverse .ztext{order:2}
.ztext h3{font-size:20px;font-weight:800;margin-bottom:10px;letter-spacing:-.01em}
.ztext p{color:var(--ink-2);margin-bottom:12px}
.zlist li{
  display:flex;gap:9px;font-size:14px;color:var(--ink-2);margin-bottom:9px;align-items:flex-start;
}
.zlist li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--blue);margin-top:9px
}
.zimg{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lift);background:var(--bg-soft)}
.zimg img{width:100%;height:auto;transition:transform .5s}
.zimg:hover img{transform:scale(1.03)}
@media(max-width:1024px){
  .zrow{grid-template-columns:1fr;gap:22px;margin-bottom:40px}
  .zrow.reverse .ztext{order:0}
}

/* 平台特色：卡片网格 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:#cfe0f7}
.fcard .fnum{
  width:34px;height:34px;border-radius:9px;background:var(--blue-soft);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;margin-bottom:13px
}
.fcard h3{font-size:16px;font-weight:800;margin-bottom:7px}
.fcard p{font-size:13.5px;color:var(--muted);line-height:1.65}
@media(max-width:1024px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.feature-grid{grid-template-columns:1fr}}

/* 热门标签 */
.tag-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.tag{
  display:flex;flex-direction:column;gap:4px;justify-content:center;align-items:center;
  border:1px solid var(--line);border-radius:12px;padding:16px 10px;background:#fff;
  text-align:center;box-shadow:var(--shadow);transition:.2s;
}
.tag:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-3px)}
.tag b{font-size:14px;font-weight:700}
.tag span{font-size:11.5px;color:var(--muted)}
@media(max-width:1024px){.tag-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.tag-grid{grid-template-columns:repeat(2,1fr)}}

/* 热度榜单：阶梯榜单 */
.rank{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rank-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.rank-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:flex-start;
}
.rank-item:nth-child(2){margin-top:22px}
.rank-item:nth-child(3){margin-top:44px}
.rank-item:nth-child(5){margin-top:22px}
.rank-item:nth-child(6){margin-top:44px}
.rank-no{
  flex:0 0 auto;width:30px;height:30px;border-radius:8px;background:var(--blue);color:#fff;
  font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center
}
.rank-item:nth-child(n+4) .rank-no{background:#dce8f8;color:var(--blue)}
.rank-body h3{font-size:15px;font-weight:800;margin-bottom:3px}
.rank-body p{font-size:13px;color:var(--muted);line-height:1.6}
@media(max-width:1024px){
  .rank-list{grid-template-columns:repeat(2,1fr)}
  .rank-item:nth-child(n){margin-top:0}
}
@media(max-width:768px){.rank-list{grid-template-columns:1fr}}

/* 应用截图：截图墙 */
.shots{background:#fff}
.shot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.shot{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--bg-soft);
  box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;
}
.shot:hover{transform:translateY(-5px);box-shadow:var(--shadow-lift)}
.shot img{width:100%;height:auto}
@media(max-width:1024px){.shot-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.shot-grid{grid-template-columns:repeat(2,1fr);gap:12px}}

/* 精选推荐：瀑布流 */
.pick{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pick-grid{columns:4;column-gap:16px}
.pick-card{
  break-inside:avoid;margin-bottom:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)
}
.pick-card img{width:100%;height:auto}
.pick-card .pick-info{padding:12px 14px}
.pick-card h3{font-size:14px;font-weight:800;margin-bottom:2px}
.pick-card p{font-size:12.5px;color:var(--muted)}
@media(max-width:1024px){.pick-grid{columns:3}}
@media(max-width:768px){.pick-grid{columns:2;column-gap:12px}.pick-card{margin-bottom:12px}}

/* 使用反馈 */
.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fb-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px
}
.fb-top{display:flex;align-items:center;gap:11px}
.fb-top img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.fb-top b{font-size:14px;display:block}
.fb-top span{font-size:11.5px;color:var(--muted)}
.fb-card p{font-size:13.5px;color:var(--ink-2);flex:1}
.fb-tag{font-size:11.5px;color:var(--blue);background:var(--blue-soft);border-radius:6px;padding:3px 9px;align-self:flex-start}
@media(max-width:1024px){.feedback-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.feedback-grid{grid-template-columns:1fr}}

/* 隐私安全：左右并排 */
.privacy-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center}
.privacy-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pv{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px;box-shadow:var(--shadow)
}
.pv h3{font-size:14.5px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.pv h3::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--blue);flex:0 0 auto}
.pv p{font-size:13px;color:var(--muted);line-height:1.65}
@media(max-width:1024px){.privacy-grid{grid-template-columns:1fr;gap:26px}}
@media(max-width:768px){.privacy-list{grid-template-columns:1fr}}

/* 常见问题 */
.faq{background:var(--bg-soft);border-top:1px solid var(--line)}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qa{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;box-shadow:var(--shadow)
}
.qa h3{font-size:14.5px;font-weight:800;margin-bottom:6px;color:var(--ink)}
.qa h3::before{content:"Q ";color:var(--blue);font-weight:800}
.qa p{font-size:13.5px;color:var(--muted);line-height:1.7}
.qa p::before{content:"A ";color:var(--ink-2);font-weight:700}
@media(max-width:768px){.faq-list{grid-template-columns:1fr}}

/* 下载区 */
.download{padding:70px 0;background:linear-gradient(180deg,#f2f7fe,#ffffff)}
.dl-panel{
  border:1px solid var(--line);border-radius:20px;background:#fff;
  box-shadow:var(--shadow-lift);padding:44px;display:grid;
  grid-template-columns:1.15fr .85fr;gap:44px;align-items:center
}
.dl-panel h2{font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.3;margin-bottom:12px}
.dl-panel .lead{color:var(--muted);margin-bottom:22px;font-size:14.5px}
.steps{display:grid;gap:11px;margin-bottom:26px}
.step{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.step b{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--blue-soft);color:var(--blue);
  font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:2px;font-weight:800
}
.dl-qr{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}
.dl-qr-box{
  width:210px;padding:14px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)
}
.dl-qr-box img{width:100%;height:auto;border-radius:8px}
.dl-qr p{font-size:13px;color:var(--muted);max-width:240px}
.dl-qr p b{color:var(--ink);display:block;font-size:14px;margin-bottom:3px}
@media(max-width:1024px){
  .dl-panel{grid-template-columns:1fr;padding:30px;gap:30px}
  .dl-qr{order:2}
  .dl-qr-box{width:180px}
}
@media(max-width:768px){
  .download{padding:46px 0}
  .dl-panel{padding:24px 18px;border-radius:16px}
}

/* 页脚 */
.site-footer{background:#0d1420;color:#c3cddd;padding:52px 0 26px;font-size:13.5px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:12px}
.footer-brand img{height:30px;width:auto;border-radius:8px}
.footer-brand span{font-weight:800;font-size:16px;color:#fff}
.site-footer p{line-height:1.8;color:#93a2b8}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:12px}
.footer-col a{display:block;color:#93a2b8;padding:4px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid #1f2a3a;padding-top:20px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;color:#7f8fa6;font-size:12.5px
}
.footer-bottom time{color:#7f8fa6}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{flex-direction:column}}

/* 百度环境复制弹层 */
.copy-mask{
  position:fixed;inset:0;background:rgba(10,20,35,.55);z-index:200;
  display:none;align-items:center;justify-content:center;padding:20px
}
.copy-mask.on{display:flex}
.copy-box{
  background:#fff;border-radius:16px;max-width:380px;width:100%;padding:26px 22px;
  box-shadow:0 24px 60px rgba(0,0,0,.26);text-align:center
}
.copy-box p.tip{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:14px;font-weight:600}
.copy-box input{
  width:100%;border:1px solid var(--line);background:var(--bg-soft);border-radius:10px;
  padding:11px 12px;font-size:13px;color:var(--ink);margin-bottom:14px;text-align:center;font-family:inherit
}
.copy-box .btn{width:100%}
.copy-close{
  margin-top:10px;background:none;border:0;color:var(--muted);font-size:13px;cursor:pointer;font-family:inherit
}