/* ============================================================
   Meme & Badge Factory — common.css (mobile-first)
   Palette: primary #FF6B35 / bg #F8F7F4 / card #FFF / text #2B2B2B
   ============================================================ */

/* ---------- Reset & tokens ---------- */
*,*::before,*::after{box-sizing:border-box}
:root{
  --primary:#FF6B35; --primary-dark:#E85A26; --primary-soft:#FFF0E8;
  --bg:#F8F7F4; --card:#FFFFFF; --text:#2B2B2B; --muted:#767676;
  --line:#E8E5DF; --dark:#1F1F1F; --warn:#D63031; --ok:#2A9D8F;
  --radius:14px; --radius-sm:10px; --shadow:0 2px 10px rgba(0,0,0,.07);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --meme-font:Impact,"Arial Black",Haettenschweiler,"Arial Narrow Bold",sans-serif;
}
html{scroll-behavior:smooth}
html,body{overflow-x:clip}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{color:var(--primary-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:800;color:var(--text)}
h1{font-size:1.9rem}h2{font-size:1.45rem}h3{font-size:1.15rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px}

/* ---------- i18n ---------- */
html.lang-en .lang-zh{display:none!important}
html.lang-zh .lang-en{display:none!important}

/* ---------- Layout ---------- */
.container{max-width:1180px;margin:0 auto;padding:0 18px}
.section{padding:44px 18px}
.section-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:20px}
.section-head h2{margin:0}
.section-head .more{font-weight:700;font-size:.95rem;white-space:nowrap}
.breadcrumb{font-size:.85rem;color:var(--muted);padding:14px 0 0;max-width:1180px;margin:0 auto;padding-left:18px;padding-right:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary-dark);text-decoration:underline}
.breadcrumb .sep{margin:0 6px;opacity:.6}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--card);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(0,0,0,.02)}
.site-header.scrolled{box-shadow:0 4px 14px rgba(0,0,0,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--primary);color:#fff;font-weight:900;font-size:1rem;display:flex;align-items:center;justify-content:center;letter-spacing:.5px;flex:none}
.brand-name{font-weight:800;font-size:1.02rem;line-height:1.2}
.brand-name small{display:block;font-size:.66rem;font-weight:600;color:var(--muted);letter-spacing:.4px;text-transform:uppercase}
.site-nav{display:none;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--card);border-bottom:1px solid var(--line);box-shadow:0 10px 20px rgba(0,0,0,.08);padding:8px 18px 16px;gap:2px}
.site-nav.open{display:flex}
.site-nav a{display:block;padding:12px 6px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line);text-decoration:none}
.site-nav a:last-of-type{border-bottom:none}
.site-nav a.active{color:var(--primary-dark)}
.lang-switch{margin-top:12px;align-self:flex-start;min-height:44px;padding:0 18px;border-radius:999px;border:2px solid var(--primary);background:#fff;color:var(--primary-dark);font-weight:800;font-size:.9rem}
.lang-switch:hover{background:var(--primary-soft)}
.nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:none;background:none;padding:0}
.nav-toggle span{display:block;width:24px;height:2.5px;border-radius:2px;background:var(--text);margin:0 auto;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 22px;border-radius:var(--radius-sm);border:2px solid transparent;font-weight:800;font-size:.98rem;text-decoration:none;transition:background .15s,transform .05s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);text-decoration:none}
.btn-ghost{background:var(--card);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);text-decoration:none}
.btn-lg{min-height:52px;padding:13px 30px;font-size:1.05rem}
.btn-block{width:100%}

/* ---------- Chips ---------- */
.chip{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:800;letter-spacing:.3px;text-transform:uppercase}
.chip-free{background:#E5F6F1;color:#1B7A63}
.chip-pro{background:#FDEBDD;color:#C25B12}
.chip-cat{background:#1F1F1F;color:#fff}

/* ---------- Cards (photo background) ---------- */
.card{position:relative;display:block;border-radius:var(--radius);overflow:hidden;background:var(--card);box-shadow:var(--shadow);text-decoration:none;color:#fff;min-height:190px;isolation:isolate}
.card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:0 8px 22px rgba(0,0,0,.14)}
.card-bg{position:absolute;inset:0;z-index:-1;background:#0a0b0f}
.card-bg img{width:100%;height:100%;object-fit:cover}
.card-overlay{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:190px;padding:16px;background-color:transparent;background-image:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(10,11,15,.85) 80%,rgba(10,11,15,.98) 100%)}
.card-overlay h3{margin:8px 0 4px;color:#fff;font-size:1.08rem}
.card-overlay p{margin:0;font-size:.9rem;color:rgba(255,255,255,.92)}
.card .chip{align-self:flex-start}

/* grid of cards */
.card-grid{display:grid;grid-template-columns:1fr;gap:16px}
.card-grid .card{min-height:190px}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;padding:64px 0 72px;text-align:center;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-1;background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,20,25,.72) 0%,rgba(20,20,25,.55) 60%,rgba(20,20,25,.8) 100%)}
.hero h1{color:#fff;font-size:2.1rem;max-width:780px;margin:0 auto .4em}
.hero .lead{font-size:1.05rem;max-width:640px;margin:0 auto 1.2em;color:rgba(255,255,255,.94)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.hero .hero-badge{display:inline-block;margin-bottom:14px;padding:5px 14px;border-radius:999px;background:rgba(20,22,26,.55);border:1px solid rgba(255,255,255,.35);font-size:.78rem;font-weight:700;letter-spacing:.4px;text-transform:uppercase}

/* ---------- Tool page ---------- */
.tool-hero{text-align:center;padding:36px 0 8px}
.tool-hero h1{font-size:1.8rem}
.tool-hero .lead{max-width:700px;margin:0 auto 18px;color:var(--muted);font-size:1rem}
.tool-stage{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin:22px 0}
.canvas-box{position:relative;background:#0F0F12;border-radius:var(--radius-sm);min-height:240px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.canvas-box canvas{max-width:100%;max-height:70vh;display:block;margin:0 auto}
.empty-hint{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#B9B9C4;font-size:.95rem;text-align:center;padding:20px;pointer-events:none}
.empty-hint .big{font-size:1.15rem;font-weight:700;color:#E6E6EF}
.tool-controls{display:flex;flex-direction:column;gap:14px;margin-top:16px}
.control-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.control-group{display:flex;flex-direction:column;gap:5px;flex:1 1 200px}
.control-group label{font-size:.85rem;font-weight:700;color:var(--muted)}
.control-group input[type="text"],.control-group input[type="number"],.control-group textarea{width:100%;min-height:44px;padding:10px 12px;border:2px solid var(--line);border-radius:var(--radius-sm);font-size:16px;background:#fff;color:var(--text)}
.control-group input[type="text"]:focus,.control-group textarea:focus{border-color:var(--primary);outline:none}
.control-group textarea{min-height:72px;resize:vertical}
input[type="range"]{width:100%;accent-color:var(--primary);height:34px}
input[type="color"]{width:52px;height:44px;border:2px solid var(--line);border-radius:var(--radius-sm);background:#fff;padding:3px}
.file-btn{position:relative;overflow:hidden}
.file-btn input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer}
.preset-list{display:flex;flex-wrap:wrap;gap:8px}
.preset-list button{min-height:38px;padding:6px 12px;border:1.5px solid var(--line);background:#fff;border-radius:999px;font-size:.85rem;color:var(--text)}
.preset-list button:hover{border-color:var(--primary);color:var(--primary-dark)}
.pro-notice{display:flex;gap:10px;align-items:center;background:var(--primary-soft);border:1.5px dashed var(--primary);border-radius:var(--radius-sm);padding:12px 14px;font-size:.9rem;color:#7A3A12;margin-top:14px}
.export-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- Steps / FAQ / SEO copy ---------- */
.steps{counter-reset:step;list-style:none;padding:0;display:grid;gap:12px}
.steps li{counter-increment:step;position:relative;padding:14px 16px 14px 58px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm)}
.steps li::before{content:counter(step);position:absolute;left:14px;top:14px;width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:10px;padding:14px 16px}
.faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq summary::after{content:"+";font-size:1.2rem;color:var(--primary);font-weight:900}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:10px 0 0;color:#3D3D3D}
.seo-copy{max-width:860px}
.seo-copy h2{margin-top:1.6em}
.seo-copy ul,.seo-copy ol{margin-bottom:1.2em}
.seo-copy li{margin-bottom:.4em}

/* ---------- Article ---------- */
.article-hero{position:relative;color:#fff;padding:54px 0 64px;text-align:center;isolation:isolate}
.article-hero .hero-bg{background-size:cover;background-position:center}
.article-hero .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,20,25,.78),rgba(20,20,25,.5) 55%,rgba(20,20,25,.85))}
.article-hero h1{color:#fff;font-size:1.9rem;max-width:820px;margin:0 auto .4em}
.article-meta{font-size:.85rem;color:rgba(255,255,255,.9);display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.article-body{max-width:820px;margin:0 auto;padding:30px 18px 20px}
.article-body h2{margin-top:1.8em;padding-top:.6em;border-top:2px solid var(--line)}
.article-body h3{margin-top:1.4em}
.article-body blockquote{margin:1.4em 0;padding:14px 18px;border-left:5px solid var(--primary);background:var(--primary-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic}
.article-body .tip{background:#E5F6F1;border-radius:var(--radius-sm);padding:14px 16px;margin:1.2em 0;font-size:.95rem}
.article-body .tip strong{color:#1B7A63}
.article-body table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.92rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.article-body th{background:var(--primary-soft)}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#CFCFCF;margin-top:48px;padding:44px 0 24px;font-size:.92rem}
.footer-grid{display:grid;gap:26px}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:10px;letter-spacing:.3px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:7px}
.footer-col a{color:#CFCFCF}
.footer-col a:hover{color:var(--primary)}
.footer-brand{color:#fff;font-weight:800;font-size:1.05rem;margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:.82rem;color:#9B9B9B}

/* ---------- Floating widgets ---------- */
.fav-fab,.to-top{position:fixed;z-index:70;width:52px;height:52px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;font-size:1.35rem;box-shadow:0 6px 18px rgba(0,0,0,.18);transition:transform .15s}
.fav-fab{bottom:78px;right:16px;background:var(--card);color:var(--text);border:2px solid var(--line)}
.fav-fab.saved{background:var(--primary);color:#fff;border-color:var(--primary)}
.to-top{bottom:16px;right:16px;background:var(--dark);color:#fff;font-size:1.1rem}
.fav-fab:active,.to-top:active{transform:scale(.94)}
.to-top.hide{display:none}
.fav-drawer{position:fixed;z-index:80;top:0;right:0;bottom:0;width:0;max-width:88vw;overflow:hidden;background:var(--card);box-shadow:-8px 0 30px rgba(0,0,0,.18);visibility:hidden;transition:width .25s ease,visibility 0s linear .25s;display:flex;flex-direction:column}
.fav-drawer.open{width:min(340px,88vw);visibility:visible;transition:width .25s ease}
.fav-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.fav-drawer-head h3{margin:0}
.fav-close{width:44px;height:44px;border:none;background:none;font-size:1.4rem;color:var(--muted)}
.fav-list{list-style:none;margin:0;padding:8px 0;overflow-y:auto;flex:1}
.fav-list li{display:flex;align-items:center;gap:8px;padding:10px 18px;border-bottom:1px solid var(--line)}
.fav-list a{flex:1;font-size:.92rem;font-weight:600;color:var(--text)}
.fav-list button{width:40px;height:40px;border:none;background:none;color:var(--warn);font-size:1.05rem}
.fav-empty{color:var(--muted);font-size:.9rem;padding:24px 18px;text-align:center}
.cookie-banner{position:fixed;z-index:90;left:12px;right:12px;bottom:12px;background:#14161c;color:#f4f3f0;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);box-shadow:0 10px 30px rgba(0,0,0,.35);padding:16px 18px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;max-width:640px;margin:0 auto}
.cookie-banner p{margin:0;flex:1 1 280px;font-size:.88rem;color:#f4f3f0}
.cookie-banner .cookie-link{color:#ffb58f;text-decoration:underline}
.cookie-banner.hide{display:none}

/* ---------- Page hero variants ---------- */
.page-hero{background:var(--primary-soft);border-bottom:1px solid var(--line);padding:34px 0}
.page-hero h1{margin-bottom:.2em}
.page-hero .lead{color:var(--muted);max-width:680px;margin:0}

/* ---------- 404 ---------- */
.notfound{text-align:center;padding:70px 0}
.notfound .code{font-family:var(--meme-font);font-size:4.5rem;color:var(--primary);margin-bottom:.1em}
.notfound p{color:var(--muted);max-width:520px;margin:0 auto 22px}

/* ---------- Responsive ---------- */
@media (min-width:640px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .tool-controls{flex-direction:row;flex-wrap:wrap}
  .tool-controls .control-group{flex:1 1 220px}
}
@media (min-width:768px){
  .nav-toggle{display:none}
  .site-nav{display:flex;position:static;flex-direction:row;align-items:center;gap:4px;background:none;border:none;box-shadow:none;padding:0}
  .site-nav a{border-bottom:none;padding:10px 12px;font-size:.92rem;border-radius:8px}
  .site-nav a:hover{background:var(--primary-soft)}
  .lang-switch{margin-top:0;margin-left:8px}
  h1{font-size:2.3rem}
  .hero h1{font-size:2.7rem}
  .hero{padding:84px 0 96px}
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .card-overlay,.card{min-height:210px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}
  .tool-hero h1{font-size:2.1rem}
}
@media (min-width:1024px){
  .card-grid{grid-template-columns:repeat(4,1fr)}
  .card-overlay,.card{min-height:220px}
}