/* 风月AI 下载站 · aifengyueapp.net.cn · 杂志编辑风 + 跑马灯 + Bento */
:root{
  --bg:#1c1015;
  --paper:#fff8f5;
  --card:#fff;
  --ink:#2b1a20;
  --muted:#8a6b75;
  --rose:#e8546c;
  --gold:#c9a86a;
  --line:#f0d9d2;
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:960px;margin:0 auto;padding:0 22px}

/* ===== 顶部品牌条（深色） ===== */
.masthead{background:var(--bg);color:#fff;padding:40px 0 0;border-bottom:1px solid rgba(255,255,255,.08)}
.masthead-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:44px;height:44px;border-radius:12px;object-fit:cover}
.brand .name{font-size:20px;font-weight:800;letter-spacing:1px}
.brand .tag{font-size:11px;color:var(--gold);letter-spacing:3px}
.nav{display:none;gap:22px;font-size:14px}
.nav a{color:rgba(255,255,255,.7)}
.nav a:hover{color:var(--gold)}
@media (min-width:769px){.nav{display:flex}}

/* 杂志大标题 */
.masthead h1{font-size:clamp(30px,7vw,56px);line-height:1.15;font-weight:900;color:#fff;letter-spacing:1px}
.masthead h1 em{font-style:normal;color:var(--rose)}
.masthead .sub{color:rgba(255,255,255,.65);font-size:16px;max-width:560px;margin:18px 0 26px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 30px;border-radius:999px;font-size:15px;font-weight:700;cursor:pointer;border:0;transition:transform .15s}
.btn:active{transform:scale(.97)}
.btn-gold{background:var(--gold);color:#1c1015}
.btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}

/* 跑马灯 */
.marquee{background:var(--rose);color:#fff;overflow:hidden;white-space:nowrap;padding:12px 0;margin-top:36px}
.marquee-track{display:inline-block;animation:scroll 22s linear infinite}
.marquee-track span{margin:0 28px;font-size:14px;letter-spacing:2px}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== 正文区（浅色） ===== */
.warm{background:var(--paper)}
section{padding:44px 0}
.eyebrow{color:var(--rose);font-size:12px;letter-spacing:4px;font-weight:700;margin-bottom:10px}
h2.sec{font-size:26px;line-height:1.3;margin-bottom:18px;font-weight:800}
.lead{font-size:16px;color:var(--muted);max-width:680px}
.lead p{margin-bottom:14px}

/* Bento 混合卡片墙 */
.bento{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.b-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;justify-content:flex-start;min-height:150px}
.b-card.wide{grid-column:1 / -1}
.b-card h3{font-size:17px;margin-bottom:8px}
.b-card p{font-size:13px;color:var(--muted)}
.b-card .num{font-size:28px;font-weight:900;color:var(--rose);line-height:1;margin-bottom:10px}
.b-icon{font-size:30px;margin-bottom:10px}
@media (min-width:769px){
  .bento{grid-template-columns:1.4fr 1fr 1fr}
  .b-card.tall{grid-row:span 2}
}

/* 角色卡 */
.chars{display:grid;grid-template-columns:1fr;gap:16px;margin-top:24px}
.char-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;gap:16px;align-items:center}
.char-card img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex-shrink:0}
.char-card h3{font-size:16px}
.char-card .role{font-size:12px;color:var(--rose);margin:2px 0 6px}
.char-card p{font-size:13px;color:var(--muted)}
@media (min-width:769px){.chars{grid-template-columns:1fr 1fr 1fr}}

/* 步骤 */
.about-img{margin:26px 0 6px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.about-img img{width:100%;height:auto;display:block}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.gallery figure{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.gallery img{width:100%;height:auto;display:block}
.gallery figcaption{padding:10px 12px;font-size:12px;color:var(--muted);text-align:center}
@media (min-width:769px){.gallery{grid-template-columns:repeat(3,1fr);gap:18px}}

.steps{list-style:none;max-width:640px;margin:24px 0 0}
.steps li{display:flex;gap:16px;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;align-items:flex-start}
.steps .step-num{flex:0 0 44px;height:44px;border-radius:50%;background:var(--rose);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.steps h3{font-size:16px;margin-bottom:4px}
.steps p{font-size:14px;color:var(--muted)}
.steps a{color:var(--rose);text-decoration:underline}

/* 引用块 */
.pull{border-left:3px solid var(--rose);padding:10px 0 10px 22px;margin:28px 0;font-size:18px;font-weight:700;color:var(--ink);font-style:italic}
.pull small{display:block;font-size:13px;color:var(--muted);font-weight:400;font-style:normal;margin-top:6px}

/* FAQ */
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px 18px;background:transparent;border:0;font-size:15px;font-weight:600;text-align:left;cursor:pointer;min-height:46px;color:var(--ink)}
.faq-q .arrow{transition:transform .2s;color:var(--rose)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 18px 14px;color:var(--muted);font-size:14px}

/* 下载分栏（深色全宽） */
.cta-band{background:var(--bg);color:#fff;text-align:center;padding:60px 22px}
.cta-band h2{font-size:28px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.65);margin-bottom:24px}
.cta-band .btn-gold{font-size:16px;padding:14px 40px}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

footer{background:var(--bg);color:rgba(255,255,255,.5);padding:26px 0;text-align:center;font-size:13px;border-top:1px solid rgba(255,255,255,.08)}
#toTop{position:fixed;right:16px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--rose);color:#fff;border:0;font-size:18px;cursor:pointer;display:none;z-index:60}
#toTop.show{display:flex;align-items:center;justify-content:center}