/* ============================================================
   WOW小漫画 单页官网样式表
   主题：波普漫画风（深海军蓝 + 漫画红 / 波普黄 / 青蓝）
   移动优先：375px 起步，640 / 900 / 1100 逐级扩展
   ============================================================ */

:root{
  --navy-900:#0E1230;
  --navy-800:#141A3E;
  --navy-700:#1D2556;
  --navy-500:#2C3878;
  --red:#FF3B4E;
  --red-dark:#E02D40;
  --yellow:#FFCE31;
  --cyan:#38E0FF;
  --cream:#FAF6EC;
  --ink:#151A3B;
  --muted:#69708F;
  --line:rgba(255,255,255,.12);
  --radius:18px;
  --shadow:0 18px 40px rgba(8,11,34,.35);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans CJK SC",sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--cream);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}

.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--yellow);color:var(--ink);padding:10px 16px;border-radius:10px;font-weight:700;text-decoration:none}
.skip:focus{left:8px}

/* 波普半调网点背景 */
.halftone{background-image:radial-gradient(rgba(255,255,255,.13) 1.2px,transparent 1.3px);background-size:14px 14px}
.halftone-light{background-image:radial-gradient(rgba(21,26,59,.07) 1.2px,transparent 1.3px);background-size:14px 14px}

section{scroll-margin-top:76px}

/* ============ 通用标题 ============ */
.sec-head{max-width:640px;margin-bottom:34px}
.sec-head-light{color:#fff}
.sec-tag{font-size:13px;font-weight:800;letter-spacing:.22em;color:var(--red);text-transform:uppercase;margin-bottom:8px}
.sec-head-light .sec-tag{color:var(--yellow)}
.sec-title{font-size:clamp(26px,5.4vw,40px);font-weight:900;line-height:1.2;letter-spacing:.01em}
.sec-head-light .sec-title{color:#fff}
.sec-desc{color:var(--muted);margin-top:10px;font-size:15px}
.sec-head-light .sec-desc{color:rgba(255,255,255,.72)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:16px;padding:13px 30px;border-radius:14px;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;border:0;white-space:nowrap}
.btn-red{background:var(--red);color:#fff;box-shadow:0 10px 24px rgba(255,59,78,.4)}
.btn-red:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-yellow{background:var(--yellow);color:var(--ink);box-shadow:0 10px 24px rgba(255,206,49,.35)}
.btn-yellow:hover{background:#ffd94f;transform:translateY(-2px)}
.btn-ghost{border:2px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.14)}
.btn-lg{padding:16px 44px;font-size:18px;border-radius:16px}

/* ============ 页头 ============ */
.site-header{position:sticky;top:0;z-index:100;background:rgba(14,18,48,.92)}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(0,0,0,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.brand-logo{width:44px;height:44px;border-radius:12px;background:#fff;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.3)}
.brand-logo img{width:100%;height:100%;object-fit:cover}
.brand-name{font-weight:900;font-size:20px;letter-spacing:.01em}

.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:transparent;border:0;border-radius:10px}
.nav-toggle span{display:block;width:24px;height:3px;border-radius:2px;background:#fff;transition:transform .2s ease,opacity .2s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

.site-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--navy-800);padding:12px 20px 22px;border-top:1px solid var(--line);flex-direction:column;gap:4px}
body.nav-open .site-nav{display:flex}
.site-nav a{color:rgba(255,255,255,.88);text-decoration:none;font-weight:600;padding:11px 12px;border-radius:10px;font-size:16px}
.site-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-download{text-align:center;background:var(--red);color:#fff !important;border-radius:12px;margin-top:8px;font-weight:800}
.nav-download:hover{background:var(--red-dark)}

/* ============ Hero ============ */
.hero{background:
  radial-gradient(circle at 82% 18%,rgba(56,224,255,.16),transparent 38%),
  radial-gradient(circle at 10% 88%,rgba(255,59,78,.18),transparent 42%),
  var(--navy-900);
  color:#fff;overflow:hidden}
.hero-grid{display:grid;gap:44px;padding-top:56px;padding-bottom:72px}
.hero-badge{display:inline-block;background:rgba(255,206,49,.16);color:var(--yellow);border:1px solid rgba(255,206,49,.5);font-size:13px;font-weight:800;letter-spacing:.12em;padding:7px 14px;border-radius:999px;margin-bottom:18px}
.hero-title{font-size:clamp(46px,12vw,86px);font-weight:900;line-height:1.02;letter-spacing:.01em;margin-bottom:18px}
.t-wow{color:#fff;text-shadow:5px 5px 0 var(--red);-webkit-text-stroke:1px rgba(255,255,255,.4)}
.t-sub{color:var(--yellow);text-shadow:4px 4px 0 rgba(255,59,78,.85)}
.hero-sub{font-size:16px;color:rgba(255,255,255,.78);max-width:460px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:480px}
.stat{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.stat dt{font-size:24px;font-weight:900;color:var(--yellow);line-height:1.1}
.stat dd{font-size:13px;color:rgba(255,255,255,.72);margin-top:2px}

.hero-visual{display:flex;justify-content:center;align-items:center}
.phone-wrap{position:relative;width:min(280px,72vw)}
.phone{position:relative;border-radius:34px;padding:12px;background:#101433;border:3px solid #2A3468;box-shadow:0 30px 60px rgba(0,0,0,.5)}
.phone img{width:100%;height:auto;border-radius:24px;aspect-ratio:392/696;object-fit:cover}
.chip{position:absolute;font-size:13px;font-weight:800;padding:8px 14px;border-radius:999px;box-shadow:var(--shadow)}
.chip-a{top:6%;left:-16%;background:var(--yellow);color:var(--ink);transform:rotate(-8deg)}
.chip-b{top:42%;right:-14%;background:var(--red);color:#fff;transform:rotate(6deg)}
.chip-c{bottom:8%;left:-10%;background:var(--cyan);color:var(--navy-900);transform:rotate(-5deg)}

/* ============ 特色功能 ============ */
.features{background:var(--cream);padding:72px 0}
.feat-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:16px}
.feat-card{background:#fff;border:1px solid rgba(21,26,59,.08);border-radius:var(--radius);padding:26px 22px;transition:transform .18s ease,box-shadow .18s ease}
.feat-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(21,26,59,.1)}
.feat-icon{width:52px;height:52px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;background:var(--navy-900);color:var(--yellow);margin-bottom:16px}
.feat-icon svg{width:26px;height:26px}
.feat-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.feat-card p{font-size:14px;color:var(--muted)}

/* ============ 漫画分类 ============ */
.categories{background:var(--navy-800);color:#fff;padding:72px 0}
.cat-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:16px}
.cat-card{position:relative;overflow:hidden;border-radius:var(--radius);padding:24px;background:var(--navy-700);border:1px solid var(--line);min-height:190px;display:flex;flex-direction:column}
.cat-card::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1.1px,transparent 1.2px);background-size:13px 13px;pointer-events:none}
.cat-card:nth-child(1){background:linear-gradient(135deg,#2C3878,#1D2556)}
.cat-card:nth-child(2){background:linear-gradient(135deg,#E02D40,#B12030)}
.cat-card:nth-child(3){background:linear-gradient(135deg,#8A4FD3,#5B2E96)}
.cat-card:nth-child(4){background:linear-gradient(135deg,#D63E7E,#9C2457)}
.cat-card:nth-child(5){background:linear-gradient(135deg,#1E7FB8,#134F78)}
.cat-card:nth-child(6){background:linear-gradient(135deg,#3FA65A,#24703A)}
.cat-cover{position:absolute;right:10px;top:-6px;font-size:110px;font-weight:900;color:rgba(255,255,255,.16);line-height:1;user-select:none}
.cat-card h3{position:relative;font-size:22px;font-weight:900;margin-bottom:8px}
.cat-card p{position:relative;font-size:14px;color:rgba(255,255,255,.82);max-width:70%}

/* ============ 人气榜单 ============ */
.ranking{background:var(--cream);padding:72px 0}
.ranking-grid{display:grid;gap:40px}
.rank-list{display:flex;flex-direction:column;gap:10px}
.rank-row{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid rgba(21,26,59,.08);border-radius:14px;padding:14px 18px;transition:transform .15s ease}
.rank-row:hover{transform:translateX(4px)}
.rank-no{font-size:22px;font-weight:900;color:var(--red);font-variant-numeric:tabular-nums;min-width:44px}
.rank-row:nth-child(1) .rank-no{color:var(--yellow);-webkit-text-stroke:1px var(--ink)}
.rank-name{font-weight:700;font-size:16px;flex:1}
.rank-hot{font-size:13px;color:var(--muted);font-weight:600;font-variant-numeric:tabular-nums}
.rank-quote{background:var(--navy-900);color:#fff;border-radius:22px;padding:30px 26px;display:flex;flex-direction:column;align-items:flex-start;gap:16px;position:relative}
.rank-quote::after{content:"";position:absolute;bottom:-14px;left:46px;border:14px solid transparent;border-top-color:var(--navy-900);border-bottom:0}
.rank-quote p{font-size:18px;font-weight:700;line-height:1.6}
.rank-quote span{font-size:13px;color:rgba(255,255,255,.65)}

/* ============ 应用截图 ============ */
.gallery{background:var(--navy-800);color:#fff;padding:72px 0}
.shot-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:26px;justify-items:center}
.shot-item{text-align:center}
.shot-item .phone{width:min(230px,64vw)}
.shot-item .phone img{aspect-ratio:392/696;object-fit:cover}
.shot-item figcaption{color:rgba(255,255,255,.8);font-size:14px;font-weight:600;margin-top:14px}

/* ============ 用户评价 ============ */
.reviews{background:var(--cream);padding:72px 0}
.review-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:16px}
.review-card{background:#fff;border:1px solid rgba(21,26,59,.08);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:14px}
.stars svg{display:block}
.review-card p{font-size:15px;color:var(--ink);flex:1}
.review-card footer{font-weight:800;font-size:14px;color:var(--muted)}

/* ============ 常见问题 ============ */
.faq{background:var(--navy-800);color:#fff;padding:72px 0}
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:760px}
.faq-item{background:var(--navy-700);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--yellow);transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 20px 18px;color:rgba(255,255,255,.78);font-size:14px;max-width:640px}

/* ============ 下载 CTA ============ */
.cta{background:
  radial-gradient(circle at 15% 20%,rgba(255,255,255,.14),transparent 34%),
  repeating-linear-gradient(-45deg,rgba(255,255,255,.05) 0 14px,transparent 14px 28px),
  var(--red);
  padding:80px 0;color:#fff;text-align:center}
.cta-inner{display:flex;flex-direction:column;align-items:center;gap:18px}
.cta-title{font-size:clamp(28px,6vw,46px);font-weight:900;line-height:1.15;text-shadow:3px 3px 0 rgba(0,0,0,.18)}
.cta-desc{font-size:16px;color:rgba(255,255,255,.9);max-width:520px}
.cta-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:8px}
.cta-chips li{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);padding:7px 16px;border-radius:999px;font-size:13px;font-weight:700}

/* ============ 页脚 ============ */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.75);padding:34px 0}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.site-footer .brand{color:#fff;font-size:16px}
.site-footer .brand-logo{width:36px;height:36px;border-radius:10px}
.footer-slogan{font-size:13px;color:rgba(255,255,255,.6)}
.footer-copy{font-size:12px;color:rgba(255,255,255,.45)}

/* ============ 焦点可见 ============ */
:focus-visible{outline:2px solid var(--yellow);outline-offset:2px}

/* ============ 动效偏好 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
}

/* ============ 响应式：640px ============ */
@media (min-width:640px){
  .hero-stats{grid-template-columns:repeat(4,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .shot-grid{grid-template-columns:repeat(3,1fr)}
  .review-grid{grid-template-columns:repeat(3,1fr)}
}

/* ============ 响应式：900px ============ */
@media (min-width:900px){
  .nav-toggle{display:none}
  .site-nav{display:flex;position:static;background:transparent;border:0;padding:0;flex-direction:row;align-items:center;gap:6px}
  .site-nav a{padding:9px 13px;font-size:15px}
  .nav-download{background:var(--red);color:#fff !important;margin-top:0;padding:10px 22px}
  .hero-grid{grid-template-columns:1.1fr .9fr;align-items:center;padding-top:72px;padding-bottom:88px}
  .feat-grid{grid-template-columns:repeat(3,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .ranking-grid{grid-template-columns:1.25fr .75fr;align-items:start}
  section{scroll-margin-top:84px}
}

/* ============ 响应式：1100px ============ */
@media (min-width:1100px){
  .container{padding:0 32px}
  .hero-sub{font-size:18px}
}