:root{
  --green:#79b93c;
  --green-deep:#4e8a1f;
  --green-soft:#eef6e3;
  --ink:#1d2a1a;
  --ink-2:#5b6b56;
  --paper:#fbfdf7;
  --card:#ffffff;
  --line:#e4ecd9;
  --radius:18px;
  --shadow:0 10px 30px rgba(45,80,20,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(1120px,92%);margin-inline:auto}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,253,247,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{border-radius:10px}
.brand-name{font-weight:800;font-size:18px;letter-spacing:.2px}
.brand-name em{font-style:normal;font-weight:600;font-size:13px;color:var(--ink-2);margin-left:6px}
.nav{margin-left:auto;display:flex;gap:26px;font-size:15px;color:var(--ink-2)}
.nav a:hover{color:var(--green-deep)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 26px;border-radius:999px;font-size:16px;font-weight:700;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;cursor:pointer;border:0}
.btn:active{transform:translateY(1px)}
.btn-solid{background:linear-gradient(135deg,var(--green),var(--green-deep));color:#fff;box-shadow:0 8px 20px rgba(94,150,40,.35)}
.btn-solid:hover{box-shadow:0 10px 26px rgba(94,150,40,.45)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:var(--shadow)}
.btn-ghost:hover{border-color:var(--green)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#2c3d27}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* hero */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 420px at 85% -10%,var(--green-soft),transparent 60%),
  radial-gradient(700px 380px at -10% 110%,#f0f7e6,transparent 55%),var(--paper)}
.wind-lines{position:absolute;inset:0;pointer-events:none}
.wind-lines i{position:absolute;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,rgba(121,185,60,.35),transparent);animation:drift 7s linear infinite}
.wind-lines i:nth-child(1){top:18%;left:-30%;width:44%;animation-delay:0s}
.wind-lines i:nth-child(2){top:46%;left:-40%;width:56%;animation-delay:2.4s;opacity:.7}
.wind-lines i:nth-child(3){top:76%;left:-25%;width:38%;animation-delay:4.6s;opacity:.5}
@keyframes drift{to{transform:translateX(260%)}}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:84px 0 96px}
.badge{display:inline-block;padding:6px 16px;border-radius:999px;background:var(--green-soft);color:var(--green-deep);font-size:13px;font-weight:700;letter-spacing:1px;border:1px solid #d8eac2}
.hero h1{font-size:clamp(34px,4.6vw,52px);line-height:1.22;font-weight:900;margin:18px 0 14px;letter-spacing:.5px}
.hero .sub{font-size:18px;color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-meta{margin-top:16px;font-size:13px;color:var(--ink-2)}

/* phone mockup */
.hero-phone{position:relative;display:flex;justify-content:center}
.phone{width:min(280px,72vw);border-radius:40px;border:10px solid #14110f;background:#14110f;box-shadow:0 30px 60px rgba(30,50,15,.28);overflow:hidden;transform:rotate(2deg)}
.phone img{border-radius:30px}
.float-card{position:absolute;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:10px 16px;font-size:14px;font-weight:600;border:1px solid var(--line);animation:bob 4s ease-in-out infinite}
.float-card b{color:var(--green-deep)}
.fc-1{top:12%;left:-4%}
.fc-2{bottom:14%;right:-4%;animation-delay:1.6s}
@keyframes bob{50%{transform:translateY(-8px)}}

/* sections */
.section{padding:88px 0}
.section-tint{background:linear-gradient(180deg,#fff,var(--green-soft))}
.sec-title{text-align:center;font-size:clamp(26px,3.2vw,36px);font-weight:900}
.sec-sub{text-align:center;color:var(--ink-2);margin:10px 0 44px}

/* features */
.grid{display:grid;gap:20px}
.features-grid{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.feature{padding:28px;transition:transform .18s ease,box-shadow .18s ease}
.feature:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(45,80,20,.14)}
.feature .ico{font-size:30px;display:inline-flex;width:56px;height:56px;align-items:center;justify-content:center;background:var(--green-soft);border-radius:16px;margin-bottom:14px}
.feature h3{font-size:18px;margin-bottom:8px}
.feature p{font-size:14.5px;color:var(--ink-2)}

/* screenshots rail */
.rail{display:flex;gap:22px;overflow-x:auto;padding:6px max(4%,calc((100vw - 1120px)/2 + 24px)) 26px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.shot{flex:0 0 auto;width:220px;scroll-snap-align:center;text-align:center}
.shot img{width:100%;border-radius:24px;border:6px solid #14110f;background:#14110f;box-shadow:0 18px 40px rgba(30,50,15,.22)}
.shot figcaption{margin-top:12px;font-size:14px;font-weight:600;color:var(--ink-2)}

/* download */
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:860px;margin-inline:auto}
.dl-card{padding:30px;display:flex;flex-direction:column;gap:18px;position:relative}
.dl-card.recommended{border-color:var(--green);box-shadow:0 0 0 3px rgba(121,185,60,.22),var(--shadow)}
.dl-card.recommended::after{content:"为你推荐";position:absolute;top:-13px;right:22px;background:linear-gradient(135deg,var(--green),var(--green-deep));color:#fff;font-size:12.5px;font-weight:700;padding:4px 14px;border-radius:999px}
.dl-head{display:flex;gap:14px;align-items:flex-start;color:var(--green-deep)}
.dl-head h3{color:var(--ink);font-size:20px}
.dl-note{font-size:13px;color:var(--ink-2);margin-top:2px}
.dl-info{list-style:none;display:grid;gap:8px;font-size:14.5px;color:var(--ink-2)}
.dl-info li::before{content:"✓";color:var(--green-deep);font-weight:800;margin-right:8px}
.dl-card .btn{margin-top:auto}
/* 二维码区：左码右信息，浅绿底圆角卡片 */
.qr-box{display:flex;gap:18px;align-items:center;background:var(--green-soft);border:1px solid var(--line);border-radius:14px;padding:16px}
.qr-img{flex:0 0 auto;width:132px;height:132px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--line)}
.qr-img img{width:132px;height:132px;display:block}
.qr-hint{font-size:12px;color:var(--ink-2);text-align:center;padding:6px;line-height:1.4}
.qr-meta{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:6px}
.qr-ver{font-size:14px;font-weight:800;color:var(--green-deep)}
.qr-file{font-size:12px;color:var(--ink-2);word-break:break-all;font-family:ui-monospace,Menlo,Consolas,monospace}
.dl-info.feat{margin-top:2px;gap:5px;font-size:13px}
.dl-info.feat li::before{content:"·";font-weight:800;margin-right:6px}
.dl-tip{text-align:center;font-size:13.5px;color:var(--ink-2);margin-top:26px}

/* 门店版下载入口横幅 */
.store-entry{display:flex;align-items:center;gap:14px;max-width:560px;margin:18px auto 0;padding:16px 20px;
  border:1.5px solid var(--line);border-radius:16px;background:linear-gradient(135deg,#f4faea,#fff);
  text-decoration:none;color:var(--ink);transition:box-shadow .2s ease,transform .2s ease}
.store-entry:hover{box-shadow:0 10px 26px rgba(94,150,40,.16);transform:translateY(-2px)}
.store-entry-ico{font-size:26px;line-height:1}
.store-entry-txt{flex:1;display:grid;gap:2px;font-size:13px;color:var(--ink-2);text-align:left}
.store-entry-txt b{font-size:15px;color:var(--ink)}
.store-entry-go{font-size:20px;font-weight:800;color:var(--green-deep)}
@media (max-width:560px){.store-entry{flex-direction:row;padding:14px 16px}.store-entry-txt{font-size:12px}.store-entry-txt b{font-size:14px}}
.btn[disabled]{opacity:.55;cursor:not-allowed;filter:saturate(.4)}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#fff;padding:34px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-2)}
.foot-nav{display:flex;gap:20px}
.foot-nav a:hover{color:var(--green-deep)}
.icp{color:var(--ink-2)}
.icp:hover{color:var(--green-deep)}

/* toast */
.toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 22px;border-radius:999px;font-size:14.5px;box-shadow:0 12px 30px rgba(0,0,0,.25);z-index:99;animation:rise .25s ease}
@keyframes rise{from{opacity:0;transform:translate(-50%,10px)}}

/* responsive */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;padding:56px 0 72px;text-align:center}
  .hero .sub{margin-inline:auto}
  .hero-actions{justify-content:center}
  .hero-phone{margin-top:36px}
  .fc-1{left:2%}.fc-2{right:2%}
  .features-grid{grid-template-columns:1fr 1fr}
  .dl-grid{grid-template-columns:1fr}
  .nav{display:none}
}
@media (max-width:560px){
  .features-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
  .shot{width:180px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto}
}