/* ============================================================
   镜琪一键发布 · 产品落地页（独立样式，不复用官网结构）
   风格：乳白 / 现代工具落地页 / 苹果式克制
   ============================================================ */

:root{
  --bg:#FBF9F4;          /* 乳白 · 页面底 */
  --surface:#FFFFFF;     /* 白卡 */
  --ink:#1A1A1C;         /* 近黑正文 */
  --muted:#6B6B70;       /* 次文本 */
  --faint:#9A9AA0;       /* 弱文本 */
  --hairline:#ECE8DF;    /* 细分隔线 */
  --accent:#4F46E5;      /* 靛蓝 · 主强调 */
  --accent-deep:#4338CA;
  --accent-soft:rgba(79,70,229,.08);
  --amber:#F59E0B;       /* 琥珀 · 次要强调 */
  --shadow:0 20px 55px -30px rgba(26,26,28,.28);
  --r-lg:24px; --r-md:16px; --r-btn:12px; --r-pill:100px;
  --sans:"Noto Sans SC","Inter",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Menlo,monospace;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);
  -webkit-font-smoothing:antialiased;line-height:1.7;} overflow-x:hidden;
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px;}
.mono{font-family:var(--mono);}
::selection{background:var(--accent-soft);color:var(--accent-deep);}
h1,h2,h3{letter-spacing:-.01em;font-weight:800;}

/* ---------- 顶部栏（轻量） ---------- */
.top{position:sticky;top:0;z-index:40;background:rgba(251,249,244,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--hairline);}
.top-in{display:flex;align-items:center;justify-content:space-between;height:64px;}
.top-brand{display:flex;align-items:center;gap:12px;}
.top-logo{width:34px;height:34px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:16px;}
.top-name{font-weight:800;font-size:17px;}
.top-ver{font-family:var(--mono);font-size:11px;color:var(--faint);background:var(--surface);border:1px solid var(--hairline);padding:3px 10px;border-radius:var(--r-pill);margin-left:6px;}
.top-right{display:flex;align-items:center;gap:10px;}
.top-right .os{font-size:12.5px;color:var(--muted);}

/* ---------- Hero ---------- */
.hero{padding:88px 0 76px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;letter-spacing:2px;color:var(--accent);
  background:var(--accent-soft);padding:7px 16px;border-radius:var(--r-pill);margin-bottom:24px;font-weight:600;}
.hero h1{font-size:clamp(40px,6vw,60px);line-height:1.1;letter-spacing:-.02em;}
.hero h1 .hl{color:var(--accent);}
.hero .sub{margin-top:22px;font-size:17px;line-height:1.85;color:var(--muted);max-width:560px;}
.points{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.points li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;list-style:none;}
.points li svg{flex:0 0 auto;margin-top:3px;color:var(--accent);}
.points .pd{color:var(--muted);font-size:14px;margin-top:2px;}
.cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;background:var(--accent);color:#fff;
  border:none;border-radius:var(--r-btn);padding:14px 28px;font-size:15px;font-weight:600;font-family:var(--sans);transition:.18s;white-space:nowrap;}
.btn:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(79,70,229,.55);}
.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--hairline);}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);}
.btn.lg{padding:16px 34px;font-size:16px;border-radius:14px;}
.cta .note{margin-top:14px;font-size:12.5px;color:var(--faint);width:100%;}

/* 右侧截图 */
.shot{position:relative;background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-lg);
  padding:14px;box-shadow:var(--shadow);}
.shot img{border-radius:14px;width:100%;}
.shot .bubble{position:absolute;bottom:22px;left:-14px;background:var(--ink);color:#fff;border-radius:14px;
  padding:12px 16px;font-size:13px;box-shadow:var(--shadow);}
.shot .bubble b{display:block;font-size:15px;margin-bottom:2px;}
.shot .bubble .grn{color:#7BE495;}
.shot::before{content:"";position:absolute;top:-26px;right:-26px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,var(--accent-soft),transparent 70%);z-index:-1;}

/* ---------- 问题→方案 ---------- */
.band{background:var(--surface);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);}
.band-in{display:grid;grid-template-columns:1fr auto 1fr;gap:32px;align-items:center;padding:44px 0;}
.band .side{padding:6px 0;}
.band .side .t{font-size:13px;font-family:var(--mono);color:var(--faint);letter-spacing:2px;text-transform:uppercase;}
.band .side .p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted);}
.band .arrow{font-size:26px;color:var(--accent);}

/* ---------- 功能（弯折网格） ---------- */
.sec{padding:88px 0;}
.sec-head{max-width:760px;margin:0 auto 56px;text-align:center;}
.sec-kicker{font-family:var(--mono);font-size:12.5px;letter-spacing:2.5px;color:var(--accent);text-transform:uppercase;font-weight:600;}
.sec-head h2{font-size:clamp(28px,4vw,38px);margin-top:14px;}
.sec-head p{color:var(--muted);margin-top:14px;font-size:15.5px;}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.feat{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-md);padding:28px 26px;transition:.2s;}
.feat:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(79,70,229,.35);}
.feat .ic{width:42px;height:42px;border-radius:11px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.feat .ic svg{width:22px;height:22px;}
.feat h3{font-size:18px;font-weight:700;font-family:var(--sans);}
.feat p{color:var(--muted);font-size:14.5px;line-height:1.8;margin-top:9px;}
.feat.wide{grid-column:span 2;}

/* ---------- 工作流 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.step{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-md);padding:24px 20px;position:relative;}
.step .n{font-family:var(--mono);font-size:12px;color:var(--accent);font-weight:600;letter-spacing:1px;}
.step h4{font-size:16px;font-weight:700;margin:12px 0 8px;font-family:var(--sans);}
.step p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.step::after{content:"→";position:absolute;right:-14px;top:50%;transform:translateY(-50%);color:var(--faint);font-size:18px;z-index:2;}
.step:last-child::after{display:none;}

/* ---------- 截图 ---------- */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.gitem{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-md);overflow:hidden;cursor:zoom-in;transition:.2s;}
.gitem:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.gitem img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;object-position:top;background:var(--bg);}
.gitem .cap{padding:13px 16px;font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:9px;}
.gitem .cap::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);flex:0 0 auto;}

/* ---------- 平台 ---------- */
.plat{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.plat span{font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-pill);padding:10px 20px;}

/* ---------- 下载 CTA ---------- */
.dl{background:linear-gradient(120deg,#4F46E5,#4338CA);border-radius:var(--r-lg);padding:62px 52px;color:#fff;display:grid;
  grid-template-columns:1.5fr 1fr;gap:44px;align-items:center;box-shadow:var(--shadow);}
.dl h2{font-size:clamp(28px,4vw,40px);font-weight:800;color:#fff;letter-spacing:-.02em;}
.dl .subscript{color:rgba(255,255,255,.9);margin-top:16px;font-size:16px;line-height:1.8;}
.dl .dl-btn{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap;}
.dl .btn{background:#fff;color:#4F46E5;}
.dl .btn:hover{background:#F2F1FF;}
.dl .btn.ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.dl .btn.ghost:hover{background:rgba(255,255,255,.26);}
.dl-info{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:26px;}
.dl-info .row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.16);font-size:14px;flex-wrap:wrap;}
.dl-info .row:last-child{border-bottom:none;}
.dl-info .row .k{color:rgba(255,255,255,.72);}
.dl-info .row .v{font-weight:600;color:#fff;text-align:right;}

/* ---------- Footer（轻量） ---------- */
.foot{border-top:1px solid var(--hairline);padding:40px 0;}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.foot .brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink);}
.foot .brand .dot{width:22px;height:22px;border-radius:6px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;}
.foot .copy{font-family:var(--mono);font-size:12px;color:var(--faint);line-height:1.8;}
.foot .back a{color:var(--accent);font-weight:600;}
.foot .back a:hover{text-decoration:underline;}

/* ---------- 备案信息 ---------- */
.beian-footer{margin-top:26px;padding-top:18px;border-top:1px solid var(--hairline);}
.beian-content{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.beian-link{display:inline-flex;align-items:center;gap:6px;color:var(--faint);transition:.18s;}
.beian-link:hover{color:var(--ink);}
.beian-icon{width:16px;height:16px;display:inline-block;}
.beian-divider{color:var(--hairline);}

/* ---------- 灯箱 ---------- */
.lb{position:fixed;inset:0;background:rgba(18,18,20,.88);z-index:80;display:none;align-items:center;justify-content:center;padding:32px;cursor:zoom-out;}
.lb.open{display:flex;}
.lb img{max-width:94vw;max-height:90vh;border-radius:12px;box-shadow:0 30px 80px -20px rgba(0,0,0,.6);}
.lb .x{position:absolute;top:26px;right:30px;color:#fff;font-size:34px;line-height:1;cursor:pointer;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.12);}
.lb .x:hover{background:rgba(255,255,255,.25);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.reveal{transition:none;opacity:1;transform:none;}}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .band-in{grid-template-columns:1fr;}
  .band .arrow{display:none;}
  .feats{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .step::after{display:none;}
  .dl{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .top-in{height:auto;padding:10px 0;gap:10px;flex-wrap:wrap;}
  .top-name{font-size:15px;}
  .top-brand .top-logo{width:30px;height:30px;font-size:14px;}
  .top-right .btn{padding:10px 16px;font-size:13.5px;}
  .hero{padding:60px 0 52px;}
  .hero .sub{font-size:15.5px;}
  .cta .btn{flex:1 1 auto;justify-content:center;}
  .feats{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .gallery{grid-template-columns:1fr;}
  .dl{padding:40px 22px;}
  .dl .dl-btn{flex-direction:column;align-items:stretch;}
  .dl .dl-btn .btn{width:100%;}
  .dl-info .row .v{text-align:left;}
  .plat{gap:10px;}
  .plat span{padding:9px 16px;font-size:13px;}
  .foot{padding:30px 0;}
  .foot-in{flex-direction:column;align-items:flex-start;gap:14px;}
  .top-right .os{display:none;}
}
@media (max-width:400px){
  .wrap{padding:0 14px;}
  .hero h1{font-size:34px;}
  .p-title{font-size:32px;}
  .points li{font-size:14.5px;}
  .step h4{font-size:15px;}
}