/* =========================================================
   FurryBar 冒险酒馆 · style.css
   配色：深紫 #7c3aed + 琥珀 #f59e0b（酒馆魔法风）
   变量 + 响应式 3 断点：980 / 760 / 420
   ========================================================= */

:root{
  --primary:#7c3aed;
  --primary-dark:#5b21b6;
  --primary-light:#a78bfa;
  --amber:#f59e0b;
  --amber-dark:#d97706;
  --grad:linear-gradient(135deg,#7c3aed 0%,#a855f7 55%,#f59e0b 100%);
  --grad-soft:linear-gradient(135deg,rgba(124,58,237,.10),rgba(245,158,11,.10));
  --bg:#faf8ff;
  --bg-card:#ffffff;
  --bg-alt:#f5f0ff;
  --bg-dark:#ede9fe;
  --text:#1f1b33;
  --text-2:#575170;
  --text-3:#9a93b3;
  --border:#e9e4f5;
  --shadow-sm:0 1px 3px rgba(91,33,182,.08);
  --shadow-md:0 8px 24px rgba(124,58,237,.12);
  --shadow-lg:0 16px 48px rgba(124,58,237,.18);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --maxw:1120px;
  --safe-top:env(safe-area-inset-top,0px);
  --safe-bottom:env(safe-area-inset-bottom,0px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  scroll-padding-top:76px;
  padding-bottom:calc(72px + var(--safe-bottom));
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.5px;color:var(--primary);padding:6px 14px;background:var(--grad-soft);border-radius:999px}

/* skip-link 可访问性 */
.skip-link{position:absolute;left:-9999px;top:8px;z-index:9999;background:var(--primary);color:#fff;padding:8px 14px;border-radius:6px;font-size:14px}
.skip-link:focus{left:8px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
  padding-top:calc(10px + var(--safe-top));
}
.nav{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--text)}
.brand img{width:36px;height:36px;border-radius:9px;box-shadow:var(--shadow-sm)}
.brand .grad{letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{font-size:14.5px;color:var(--text-2);font-weight:500;white-space:nowrap;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-cta{
  background:var(--grad);color:#fff!important;
  padding:9px 18px;border-radius:999px;font-weight:700!important;
  box-shadow:0 6px 18px rgba(124,58,237,.35);
}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  font-size:22px;color:var(--text);border-radius:10px;
}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:56px 0 72px;background:var(--grad-soft)}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 400px at 85% 10%,rgba(245,158,11,.18),transparent 60%),
    radial-gradient(500px 400px at 15% 90%,rgba(124,58,237,.22),transparent 60%);
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--border);color:var(--primary);
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  box-shadow:var(--shadow-sm);margin-bottom:22px;
}
.hero-copy h1{font-size:44px;font-weight:900;line-height:1.18;letter-spacing:-.5px;color:var(--text)}
.hero-copy .lead{margin-top:20px;color:var(--text-2);font-size:17px;max-width:560px}
.hero-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-tags{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}
.hero-tags li{
  font-size:13px;color:var(--text-2);background:#fff;
  border:1px solid var(--border);padding:8px 14px;border-radius:999px;
}

.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.hero-img{
  width:320px;height:auto;border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);
  transform:rotate(-1.5deg);
  border:3px solid #fff;
}
.float-chip{
  position:absolute;background:#fff;border-radius:14px;padding:12px 16px;
  box-shadow:var(--shadow-md);display:flex;flex-direction:column;
  font-weight:700;font-size:14px;color:var(--text);
}
.float-chip small{font-weight:500;color:var(--text-3);font-size:11px;margin-top:2px}
.chip-1{top:12px;left:0;transform:rotate(2deg)}
.chip-2{bottom:20px;right:0;transform:rotate(-2deg)}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;
  transition:transform .15s ease, box-shadow .2s ease, background .2s;
  text-align:center;white-space:nowrap;min-height:44px;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(124,58,237,.35)}
.btn-primary:hover{box-shadow:0 10px 26px rgba(124,58,237,.45);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--primary);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{background:var(--bg-alt);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 6px 18px rgba(0,0,0,.15)}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.btn-outline-w{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-outline-w:hover{background:rgba(255,255,255,.15)}

/* ===== Sections ===== */
.section{padding:80px 0}
.section.alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:640px;margin:0 auto 40px}
.section-head h2{font-size:32px;font-weight:900;margin:14px 0 10px;color:var(--text)}
.section-head p{color:var(--text-2);font-size:16px}

/* ===== Article card ===== */
.article-card{
  background:#fff;border-radius:var(--r-lg);padding:40px 44px;
  box-shadow:var(--shadow-sm);border:1px solid var(--border);
}
.article-card h2{font-size:24px;font-weight:800;margin-bottom:16px;color:var(--text)}
.article-card h3{font-size:18px;font-weight:700;margin:24px 0 10px;color:var(--primary-dark)}
.article-card p{color:var(--text-2);margin-bottom:14px;font-size:15.5px}
.article-card ul{padding-left:20px;margin:10px 0}
.article-card ul li{color:var(--text-2);margin-bottom:8px;font-size:15.5px;list-style:disc}
.tip-box{
  margin-top:20px;background:linear-gradient(135deg,#fef3c7,#fce7f3);
  border-left:4px solid var(--amber);padding:14px 18px;border-radius:10px;
  color:#78350f;font-size:14.5px;
}

/* ===== Features grid ===== */
.grid{display:grid;gap:20px}
.features-grid{grid-template-columns:repeat(4,1fr)}
.fcard{
  background:#fff;border-radius:var(--r-md);padding:28px 22px;
  border:1px solid var(--border);text-align:center;
  transition:transform .25s ease, box-shadow .25s ease;
}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.fcard-icon{
  width:56px;height:56px;border-radius:14px;
  background:var(--grad);color:#fff;font-size:26px;
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
}
.fcard h3{font-size:17px;font-weight:800;margin-bottom:6px;color:var(--text)}
.fcard p{color:var(--text-2);font-size:14px;line-height:1.6}

/* ===== Download card ===== */
.dl-wrap{display:flex;justify-content:center}
.dl-card{
  display:grid;grid-template-columns:260px 1fr;gap:36px;
  background:#fff;border-radius:var(--r-lg);padding:36px 40px;
  box-shadow:var(--shadow-md);border:1px solid var(--border);
  max-width:780px;width:100%;
}
.dl-qr{display:flex;align-items:center;justify-content:center}
.dl-qr img{width:220px;height:220px;border-radius:14px;border:6px solid var(--bg-alt);box-shadow:var(--shadow-sm)}
.dl-info h3{font-size:22px;font-weight:800;margin-bottom:6px;color:var(--text)}
.dl-info .ver{display:inline-block;background:var(--grad-soft);color:var(--primary);font-weight:600;padding:4px 12px;border-radius:999px;font-size:12px;margin-bottom:12px}
.dl-info p{color:var(--text-2);margin-bottom:8px;font-size:15px}
.dl-code{color:var(--amber-dark);font-weight:700;margin:14px 0 20px}
.dl-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}

/* ===== Screenshots ===== */
.shots-grid{grid-template-columns:repeat(4,1fr)}
.shot{border-radius:var(--r-md);overflow:hidden;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.shot img{width:100%;aspect-ratio:9/16;object-fit:cover}
.shot figcaption{padding:12px;text-align:center;font-size:13px;color:var(--text-2);font-weight:600}

/* ===== Roles grid ===== */
.roles-grid{grid-template-columns:repeat(4,1fr)}
.rcard{
  background:#fff;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease;
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.rcard-head{
  height:120px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-size:48px;color:#fff;
}
.rcard-body{padding:16px 18px 20px}
.rcard-body h3{font-size:17px;font-weight:800;color:var(--text);margin-bottom:4px}
.rcard-body p{font-size:13px;color:var(--text-2);margin-bottom:10px}
.rtag{display:inline-block;font-size:11px;background:var(--grad-soft);color:var(--primary);padding:3px 10px;border-radius:999px;font-weight:600}

/* ===== Steps grid ===== */
.steps-grid{grid-template-columns:repeat(3,1fr)}
.step-card{
  background:#fff;border-radius:var(--r-md);padding:28px 24px;
  border:1px solid var(--border);position:relative;
}
.step-num{
  position:absolute;top:-16px;left:24px;
  width:36px;height:36px;border-radius:50%;
  background:var(--grad);color:#fff;font-weight:900;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(124,58,237,.4);
}
.step-card h3{font-size:17px;font-weight:800;margin-top:8px;margin-bottom:8px;color:var(--text)}
.step-card p{color:var(--text-2);font-size:14px}

/* ===== FAQ ===== */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:18px 6px;font-size:16px;font-weight:700;color:var(--text);
  text-align:left;min-height:56px;
}
.faq-q svg{flex:none;width:20px;height:20px;transition:transform .25s;color:var(--primary)}
.faq-q[aria-expanded="true"] svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 6px 20px;color:var(--text-2);font-size:15.5px}

/* ===== CTA band ===== */
.cta-band{
  background:var(--grad);color:#fff;border-radius:var(--r-xl);
  padding:56px 44px;text-align:center;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:28px;font-weight:900;margin-bottom:10px}
.cta-band p{opacity:.9;margin-bottom:22px;font-size:15px}
.cta-band .dl-btns{justify-content:center}
.cta-hint{margin-top:14px;font-size:12.5px;opacity:.7}

/* ===== Testimonials ===== */
.testi-grid{grid-template-columns:repeat(3,1fr)}
.tcard{
  background:#fff;border-radius:var(--r-md);padding:26px;
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
}
.tcard-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.tcard .avatar{
  width:44px;height:44px;border-radius:50%;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;flex:none;
}
.tcard .tname{font-weight:700;color:var(--text);font-size:15px}
.tcard .trole{font-size:12px;color:var(--text-3)}
.tcard .tquote{color:var(--text-2);font-size:14.5px;line-height:1.65}

/* ===== Breadcrumb (子页面) ===== */
.breadcrumb{display:flex;gap:8px;font-size:13px;color:var(--text-3);padding:24px 0 8px}
.breadcrumb a{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}

/* ===== UGC 实时动态 ===== */
.ugc-bar{
  position:fixed;top:calc(76px + var(--safe-top));left:50%;
  transform:translateX(-50%);z-index:48;
  background:rgba(124,58,237,.95);color:#fff;
  padding:8px 18px;border-radius:999px;font-size:13px;font-weight:600;
  box-shadow:0 6px 20px rgba(124,58,237,.4);
  opacity:0;pointer-events:none;transition:opacity .35s ease;
}
.ugc-bar.show{opacity:1}
.ugc-bar .ugc-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:#22c55e;margin-right:8px;animation:ugcPulse 1.6s ease-in-out infinite;
}
@keyframes ugcPulse{
  0%,100%{transform:scale(1);opacity:1}
  50%{transform:scale(1.4);opacity:.6}
}

/* ===== Footer ===== */
.site-footer{background:#1a1625;color:#c5c1d8;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px;margin-bottom:28px}
.footer-brand img{width:48px;height:48px;border-radius:10px;margin-bottom:12px}
.footer-brand p{font-size:13.5px;color:#9a93b3;line-height:1.7}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:13.5px;color:#9a93b3;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--primary-light)}
.footer-copy{text-align:center;font-size:12.5px;color:#6d6883;padding-top:22px;border-top:1px solid rgba(255,255,255,.08)}

/* ===== Back to top ===== */
.back-top{
  position:fixed;right:18px;bottom:calc(86px + var(--safe-bottom));
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);box-shadow:var(--shadow-md);
  opacity:0;pointer-events:none;transition:opacity .25s, transform .25s;
  z-index:47;
}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:active{transform:translateY(2px)}

/* ===== Floating download bar (移动端) ===== */
.floating-dl{
  position:fixed;left:0;right:0;bottom:0;z-index:46;
  background:#fff;border-top:1px solid var(--border);
  padding:12px 16px;padding-bottom:calc(12px + var(--safe-bottom));
  display:flex;gap:10px;justify-content:center;
  box-shadow:0 -4px 20px rgba(0,0,0,.08);
}
.floating-dl .btn-primary{flex:1;justify-content:center}
.floating-dl .btn-ghost{padding:12px 16px;font-size:14px}

/* ===== Reveal 动画 ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease, transform .55s ease}
.reveal.show{opacity:1;transform:none}

/* ===== 数据徽章 ===== */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}
.stat-card{
  background:#fff;border-radius:var(--r-md);padding:22px;
  border:1px solid var(--border);text-align:center;box-shadow:var(--shadow-sm);
}
.stat-card b{display:block;font-size:28px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:900}
.stat-card span{color:var(--text-2);font-size:13px;margin-top:4px;display:block}

/* ===== 响应式 ===== */
@media(max-width:980px){
  .features-grid{grid-template-columns:repeat(3,1fr)}
  .shots-grid{grid-template-columns:repeat(2,1fr)}
  .roles-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(3,1fr)}
  .testi-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-inner{grid-template-columns:1fr;text-align:center;gap:40px}
  .hero-copy h1{font-size:36px}
  .hero-copy .lead{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .hero-tags{justify-content:center}
  .hero-visual{order:-1}
  .hero-img{width:260px;transform:none}
  .float-chip{display:none}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:calc(74px + var(--safe-top));right:16px;left:16px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-radius:var(--r-lg);
    box-shadow:var(--shadow-lg);border:1px solid var(--border);
    padding:12px;max-height:0;overflow:hidden;
    transition:max-height .35s ease;
    margin-left:0;
  }
  .nav-links.open{max-height:520px}
  .nav-links a{padding:14px 16px;border-radius:10px;font-size:15px}
  .nav-links a:hover{background:var(--bg-alt)}
  .nav-links .nav-cta{text-align:center;margin-top:8px}
  .dl-card{grid-template-columns:1fr;text-align:center;gap:24px}
  .dl-qr img{width:180px;height:180px}
  .dl-btns{justify-content:center}
  .cta-band{padding:40px 24px}
  .cta-band h2{font-size:24px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .article-card{padding:28px 22px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .testi-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:22px}
}
@media(max-width:420px){
  .container{padding:0 16px}
  .hero{padding:40px 0 56px}
  .hero-copy h1{font-size:28px}
  .hero-copy .lead{font-size:15px}
  .features-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .fcard{padding:20px 14px}
  .fcard-icon{width:48px;height:48px;font-size:22px;border-radius:12px}
  .fcard h3{font-size:15px}
  .fcard p{font-size:12.5px}
  .shots-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .roles-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .rcard-head{height:90px;font-size:36px}
  .steps-grid{grid-template-columns:1fr}
  .steps-grid .step-card:not(:last-child){margin-bottom:14px}
  .cta-band h2{font-size:22px}
  .cta-band{padding:32px 20px}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat-card{padding:16px 12px}
  .stat-card b{font-size:22px}
  .dl-card{padding:24px 18px}
  .dl-qr img{width:140px;height:140px}
  .dl-info h3{font-size:18px}
  .nav-toggle{width:40px;height:40px;font-size:20px}
  .brand img{width:32px;height:32px}
  .brand .grad{font-size:17px}
  .floating-dl .btn-primary{font-size:14px;padding:12px 16px}
  .btn{padding:11px 20px;font-size:14px}
  .btn-ghost{padding:11px 16px}
  .article-card h2{font-size:20px}
  .article-card h3{font-size:16px}
}