:root{
  color-scheme:dark;
  --bg:#050c11;
  --bg-2:#07131a;
  --panel:#0a171e;
  --panel-2:#0d1e26;
  --ink:#f0fff9;
  --text:#c2d4d0;
  --muted:#7f9995;
  --mint:#74f0c4;
  --mint-2:#3fd6a5;
  --mint-soft:rgba(116,240,196,.10);
  --line:rgba(172,224,211,.14);
  --line-soft:rgba(172,224,211,.08);
  --night:#031016;
  --radius:22px;
  --shadow:0 30px 80px rgba(0,0,0,.5);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 600px at 82% 4%,rgba(63,214,165,.14),transparent 65%),
    radial-gradient(800px 600px at 8% 22%,rgba(72,156,255,.08),transparent 65%),
    linear-gradient(180deg,#050c11 0%,#061118 55%,#040a0e 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
.wrap{width:min(1180px,calc(100% - 48px));margin:0 auto;position:relative;z-index:1}
.muted{color:var(--muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;color:var(--mint);
  font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--mint);opacity:.75}
h1,h2,h3,p{margin:0}
h1,h2{color:var(--ink);letter-spacing:-.035em}
section[id]{scroll-margin-top:88px}

/* 顶部 */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:50;height:74px;
  background:rgba(5,12,17,.72);backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(172,224,211,.08);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.scrolled{background:rgba(5,12,17,.92);border-color:var(--line)}
.header-inner{height:74px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;letter-spacing:-.02em}
.brand img{width:34px;height:34px;border-radius:10px;box-shadow:0 0 0 1px rgba(255,255,255,.12)}
.brand small{display:block;font-size:9px;letter-spacing:.24em;color:var(--mint);font-weight:700;margin-top:1px}
.nav{display:flex;align-items:center;gap:30px;color:#a8bdb8;font-size:13px}
.nav a{position:relative;padding:8px 0;transition:color .2s}
.nav a:hover{color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:1px;background:var(--mint);transition:right .25s}
.nav a:hover::after{right:0}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 17px;
  border:1px solid rgba(116,240,196,.45);border-radius:999px;color:var(--mint);
  font-size:12px;font-weight:700;letter-spacing:.02em;transition:.22s;
}
.header-cta:hover{background:var(--mint);color:#03150f;border-color:var(--mint)}

/* Hero */
.hero{padding:146px 0 0;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(520px,1.1fr);gap:34px;align-items:center;min-height:620px}
.hero-grid>*{min-width:0}
.hero-copy{position:relative;z-index:2;padding-bottom:56px;min-width:0}
.hero h1{font-size:clamp(50px,6.2vw,78px);line-height:1.04;margin:22px 0 26px;font-weight:900;letter-spacing:-.065em}
.hero h1 .accent{color:var(--mint);display:inline-block;position:relative;white-space:nowrap}
.hero h1 .accent::after{
  content:"";position:absolute;left:0;right:.03em;bottom:3px;height:8px;
  background:linear-gradient(90deg,rgba(116,240,196,.55),rgba(116,240,196,0));
  border-radius:50%;filter:blur(1px);
}
.hero-lead{max-width:410px;color:#a8bdb8;font-size:16px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:30px}
.store-btn{
  display:inline-flex;align-items:center;gap:11px;min-height:54px;padding:0 20px;
  border-radius:14px;border:1px solid var(--line);background:rgba(10,23,30,.78);
  color:var(--ink);transition:transform .2s,border-color .2s,background .2s;
}
.store-btn:hover{transform:translateY(-2px);border-color:rgba(116,240,196,.5);background:var(--panel-2)}
.store-btn svg{width:21px;height:21px;flex:none;fill:currentColor}
.store-btn small{display:block;font-size:9px;line-height:1.2;color:var(--muted);font-weight:500}
.store-btn strong{display:block;font-size:13px;line-height:1.35;font-weight:700;margin-top:1px}
.store-btn.primary{background:var(--mint);border-color:var(--mint);color:#03150f}
.store-btn.primary small{color:rgba(3,21,15,.62)}
.hero-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:20px;color:#6d8783;font-size:11px}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--mint);opacity:.8}

/* 手机 */
.phone-stage{position:relative;height:620px;min-width:0}
.phone-stage::before{
  content:"";position:absolute;width:520px;height:520px;left:50%;top:46%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(116,240,196,.17),rgba(63,214,165,.05) 46%,transparent 70%);
  filter:blur(6px);
}
.phone{
  position:absolute;width:246px;height:496px;border-radius:38px;padding:8px;
  background:linear-gradient(160deg,#26333a,#080d10 62%);
  border:1px solid rgba(255,255,255,.17);
  box-shadow:0 34px 70px rgba(0,0,0,.62),inset 0 0 0 1px rgba(255,255,255,.05);
  overflow:hidden;
}
.phone::before{
  content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);
  width:74px;height:18px;border-radius:12px;background:#020506;z-index:4;
}
.phone-back{left:14px;top:104px;transform:rotate(-8deg) scale(.92);opacity:.8;filter:saturate(.8)}
.phone-front{right:28px;top:30px;transform:rotate(2.5deg);z-index:3}
.screen{
  position:relative;width:100%;height:100%;border-radius:31px;overflow:hidden;
  background:#07131a;border:1px solid rgba(255,255,255,.05);
}
.statusbar{height:31px;padding:8px 16px 0;display:flex;align-items:flex-start;justify-content:space-between;color:#dff8f0;font-size:8px;font-weight:700;position:relative;z-index:3}
.statusbar .dots{display:flex;gap:3px;align-items:center}
.statusbar .dots i{display:block;width:3px;height:3px;border-radius:50%;background:currentColor}
.screen-home{padding-bottom:54px;background:radial-gradient(420px 280px at 75% 0%,rgba(63,214,165,.20),transparent 70%),#07131a}
.app-top{display:flex;align-items:center;justify-content:space-between;padding:6px 14px 10px;position:relative;z-index:2}
.app-top .wordmark{font-size:15px;font-weight:900;letter-spacing:-.04em;color:#effff9}
.app-top .wordmark em{font-style:normal;color:var(--mint);font-size:9px;letter-spacing:.12em;margin-left:3px}
.app-top .city{font-size:8px;color:#9bb3ae;display:flex;gap:4px;align-items:center}
.app-top .city svg{width:9px;height:9px;fill:var(--mint)}
.home-greeting{padding:3px 14px 9px;color:#718d88;font-size:8px}
.home-greeting strong{display:block;color:#e9fff8;font-size:15px;letter-spacing:-.03em;margin-top:2px;font-weight:700}
.event-card{
  margin:0 12px;border-radius:16px;overflow:hidden;position:relative;height:185px;
  border:1px solid rgba(255,255,255,.11);box-shadow:0 14px 30px rgba(0,0,0,.34);
  background:
    radial-gradient(circle at 76% 15%,rgba(116,240,196,.30),transparent 34%),
    linear-gradient(145deg,#25614f 0%,#103b31 48%,#071c18 100%);
}
.event-card img{display:none}
.event-card::before{
  content:"";position:absolute;inset:13px;border:1px solid rgba(220,255,244,.27);
  border-radius:4px;z-index:0;
}
.event-card::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,transparent 49.8%,rgba(220,255,244,.17) 50%,transparent 50.2%),
    linear-gradient(180deg,transparent 49.8%,rgba(220,255,244,.17) 50%,transparent 50.2%),
    linear-gradient(180deg,rgba(0,0,0,.02),rgba(2,12,9,.84));
}
.event-card > *{position:relative;z-index:2}
.event-badge{position:absolute;left:11px;top:11px;z-index:3;display:inline-flex;align-items:center;gap:4px;background:rgba(116,240,196,.95);color:#062017;border-radius:999px;padding:4px 7px;font-size:7px;font-weight:800}
.event-copy{position:absolute;left:11px;right:11px;bottom:10px;z-index:3}
.event-copy small{font-size:7px;color:#d0e9e1}
.event-copy h4{font-size:13px;color:#fff;margin:3px 0 5px;letter-spacing:-.02em;line-height:1.25}
.event-meta{display:flex;align-items:center;justify-content:space-between;gap:6px}
.avatar-row{display:flex;align-items:center}
.avatar{width:17px;height:17px;border-radius:50%;border:1.5px solid #0b171b;margin-left:-4px;background:linear-gradient(135deg,#b9f7df,#4f8b7c);display:grid;place-items:center;color:#12332a;font-size:6px;font-weight:800;overflow:hidden}
.avatar:first-child{margin-left:0}
.avatar:nth-child(2){background:linear-gradient(135deg,#ffcf9c,#c77c52)}
.avatar:nth-child(3){background:linear-gradient(135deg,#b9cbff,#6174b5)}
.event-meta .join{background:#f2fff9;color:#062017;border-radius:7px;padding:5px 8px;font-size:7px;font-weight:800}
.home-section{padding:13px 12px 0}
.home-section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}
.home-section-title strong{font-size:9px;color:#e4f8f2}
.home-section-title span{font-size:7px;color:#6e8984}
.mini-list{display:grid;gap:6px}
.mini-event{display:flex;align-items:center;gap:7px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.055);border-radius:10px;padding:7px}
.mini-date{width:26px;height:29px;border-radius:7px;background:rgba(116,240,196,.12);border:1px solid rgba(116,240,196,.16);display:grid;place-items:center;color:var(--mint);font-size:7px;font-weight:800;line-height:1.05;text-align:center}
.mini-date b{display:block;font-size:9px}
.mini-event .txt{flex:1;min-width:0}
.mini-event .txt strong{display:block;color:#dff5ee;font-size:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-event .txt small{display:block;color:#78948d;font-size:6.5px;margin-top:2px}
.mini-event .slots{color:var(--mint);font-size:7px;font-weight:700}
.bottom-nav{position:absolute;left:9px;right:9px;bottom:8px;height:40px;border-radius:13px;background:rgba(9,23,28,.92);border:1px solid rgba(255,255,255,.07);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:space-around;z-index:3}
.bottom-nav span{display:grid;place-items:center;gap:2px;color:#68827d;font-size:6px}
.bottom-nav span.active{color:var(--mint)}
.bottom-nav svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* 聊天手机 */
.screen-chat{background:linear-gradient(rgba(4,15,18,.76),rgba(4,15,18,.9)),url('/app-intro/chat-bg-1.webp') center/cover}
.chat-top{display:flex;align-items:center;justify-content:space-between;padding:5px 12px 7px;position:relative;z-index:2;border-bottom:1px solid rgba(255,255,255,.06)}
.chat-back{color:#dff8f0;font-size:15px;line-height:1}
.chat-title{text-align:center;line-height:1.15}
.chat-title strong{display:block;color:#effff9;font-size:9px;font-weight:700}
.chat-title small{display:block;color:#87a59d;font-size:6px;margin-top:2px}
.chat-avatar{width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,#74f0c4,#236858);display:grid;place-items:center;color:#042019;font-size:8px;font-weight:900}
.chat-notice{margin:8px 11px 0;padding:6px 8px;border-radius:8px;background:rgba(116,240,196,.07);border:1px solid rgba(116,240,196,.13);color:#9bc0b6;font-size:6.5px;line-height:1.5}
.chat-notice b{color:var(--mint);font-weight:700}
.chat-body{padding:10px 11px;display:grid;gap:8px;position:relative;z-index:1}
.msg{display:flex;align-items:flex-start;gap:5px;max-width:86%}
.msg .bubble{padding:7px 9px;border-radius:4px 11px 11px 11px;background:rgba(255,255,255,.92);color:#10211e;font-size:7.5px;line-height:1.55;box-shadow:0 4px 12px rgba(0,0,0,.12)}
.msg.mine{margin-left:auto;flex-direction:row-reverse}
.msg.mine .bubble{border-radius:11px 4px 11px 11px;background:var(--mint);color:#06231a}
.msg .who{font-size:6px;color:#88a39c;margin-bottom:2px}
.msg .chat-avatar{width:18px;height:18px;border-radius:5px;font-size:6px;flex:none}
.sticker-bubble{width:57px;height:57px;border-radius:9px;background:rgba(255,255,255,.92);padding:4px;box-shadow:0 4px 14px rgba(0,0,0,.18)}
.sticker-bubble img{width:100%;height:100%;object-fit:contain}
.msg-time{text-align:center;color:#718d88;font-size:6px;margin:2px 0}
.chat-input{position:absolute;left:9px;right:9px;bottom:8px;height:34px;border-radius:11px;background:rgba(11,27,31,.92);border:1px solid rgba(255,255,255,.09);display:flex;align-items:center;gap:7px;padding:0 8px;z-index:3}
.chat-input .add{width:20px;height:20px;border-radius:50%;border:1px solid rgba(116,240,196,.42);color:var(--mint);display:grid;place-items:center;font-size:12px;line-height:1}
.chat-input .hint{flex:1;color:#708782;font-size:7px}
.chat-input .mic{width:22px;height:22px;border-radius:7px;background:var(--mint);display:grid;place-items:center;color:#042019}
.chat-input .mic svg{width:11px;height:11px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}

/* 数据条 */
.stats{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);margin-top:6px;background:rgba(255,255,255,.018)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:26px 0}
.stat{text-align:center;border-left:1px solid var(--line-soft);padding:0 18px}
.stat:first-child{border-left:0}
.stat strong{display:block;color:var(--ink);font-size:26px;font-weight:800;letter-spacing:-.05em;line-height:1.1}
.stat strong em{font-style:normal;color:var(--mint);font-size:14px;font-weight:700;margin-left:2px}
.stat span{display:block;color:#78928d;font-size:10px;margin-top:7px;letter-spacing:.02em}

/* 通用 section */
.section{py:0;padding:104px 0}
.section-tight{padding:82px 0}
.section-head{max-width:660px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(30px,4.2vw,50px);line-height:1.12;margin:15px 0 14px;font-weight:800}
.section-head p{color:#8ca39e;font-size:14px;line-height:1.9;max-width:520px}
.section-head.center p{margin:0 auto}

/* 功能卡 */
.features{background:linear-gradient(180deg,rgba(116,240,196,.025),transparent 70%)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature-card{
  position:relative;overflow:hidden;min-height:250px;padding:26px 24px 24px;
  border:1px solid var(--line);border-radius:18px;background:linear-gradient(160deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
  transition:transform .25s,border-color .25s,background .25s;
}
.feature-card:hover{transform:translateY(-5px);border-color:rgba(116,240,196,.35);background:linear-gradient(160deg,rgba(116,240,196,.065),rgba(255,255,255,.015))}
.feature-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(116,240,196,.10);border:1px solid rgba(116,240,196,.20);color:var(--mint);margin-bottom:26px}
.feature-icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.feature-no{position:absolute;right:17px;top:15px;color:rgba(230,255,247,.09);font-size:52px;font-weight:900;line-height:1;letter-spacing:-.08em}
.feature-card h3{color:var(--ink);font-size:17px;margin-bottom:9px;font-weight:700;letter-spacing:-.02em}
.feature-card p{color:#819b96;font-size:12px;line-height:1.85;max-width:270px}
.feature-link{display:inline-flex;align-items:center;gap:5px;color:var(--mint);font-size:10px;font-weight:700;margin-top:20px;letter-spacing:.03em}
.feature-link span{transition:transform .2s}
.feature-card:hover .feature-link span{transform:translateX(3px)}
.feature-card.wide{grid-column:span 3;display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:center;min-height:180px;padding:28px 30px}
.feature-card.wide .feature-icon{margin-bottom:14px}
.feature-card.wide p{max-width:520px}
.feature-visual{height:128px;border-radius:14px;background:linear-gradient(120deg,rgba(116,240,196,.14),rgba(63,214,165,.035));border:1px solid rgba(116,240,196,.12);overflow:hidden;position:relative}
.feature-visual .court{position:absolute;inset:13px;border:1px solid rgba(116,240,196,.35);border-radius:6px}
.feature-visual .court::before,.feature-visual .court::after{content:"";position:absolute;background:rgba(116,240,196,.35)}
.feature-visual .court::before{left:50%;top:0;bottom:0;width:1px}
.feature-visual .court::after{left:0;right:0;top:50%;height:1px}
.feature-visual .ball{position:absolute;width:11px;height:11px;border-radius:50%;background:var(--mint);box-shadow:0 0 18px rgba(116,240,196,.7);right:27%;top:27%}
.feature-visual .tag{position:absolute;left:13px;bottom:12px;background:rgba(5,16,20,.8);border:1px solid rgba(116,240,196,.2);color:var(--mint);font-size:8px;padding:4px 7px;border-radius:999px;letter-spacing:.08em}

/* 分屏 */
.split{display:grid;grid-template-columns:.86fr 1.14fr;gap:54px;align-items:center}
.split-copy h2{font-size:clamp(30px,4.2vw,48px);line-height:1.15;margin:15px 0 17px;font-weight:800}
.split-copy p{color:#8ca39e;font-size:13.5px;line-height:1.95;max-width:420px}
.checks{display:grid;gap:12px;margin-top:27px}
.check{display:flex;gap:10px;align-items:flex-start;color:#b7cbc6;font-size:12px;line-height:1.7}
.check i{width:17px;height:17px;flex:none;border-radius:50%;background:rgba(116,240,196,.13);border:1px solid rgba(116,240,196,.3);display:grid;place-items:center;margin-top:1px}
.check i svg{width:9px;height:9px;stroke:var(--mint);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.phone-solo{position:relative;display:flex;justify-content:center;align-items:center;min-height:540px}
.phone-solo::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(116,240,196,.13),transparent 68%);filter:blur(2px)}
.phone-solo .phone{position:relative;transform:rotate(-3deg);width:250px;height:506px;left:auto;top:auto;right:auto}
.screen-discover{background:radial-gradient(320px 260px at 20% 0%,rgba(63,214,165,.2),transparent 70%),#07131a;padding-bottom:16px}
.discover-head{padding:6px 14px 10px}
.discover-head small{display:block;color:#7f9b95;font-size:7px;letter-spacing:.08em}
.discover-head strong{display:block;color:#effff9;font-size:16px;letter-spacing:-.04em;margin-top:3px}
.discover-tabs{display:flex;gap:6px;padding:0 14px 11px;overflow:hidden}
.discover-tabs span{white-space:nowrap;padding:4px 8px;border-radius:999px;border:1px solid rgba(255,255,255,.08);color:#8fa9a2;font-size:6.5px}
.discover-tabs span.active{background:var(--mint);border-color:var(--mint);color:#042019;font-weight:700}
.feed-card{margin:0 12px 8px;border-radius:13px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.06);padding:9px}
.feed-user{display:flex;align-items:center;gap:6px;margin-bottom:6px}
.feed-user .avatar{width:19px;height:19px;font-size:6px;margin:0}
.feed-user strong{display:block;color:#e3f8f1;font-size:7px}
.feed-user small{display:block;color:#718c86;font-size:6px;margin-top:1px}
.feed-text{color:#bed5cf;font-size:7.5px;line-height:1.6;margin-bottom:7px}
.feed-img{height:96px;border-radius:9px;background:linear-gradient(135deg,#31584e,#122720);position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.06)}
.feed-img::before{content:"";position:absolute;width:74px;height:74px;border-radius:50%;background:rgba(116,240,196,.2);right:-18px;top:-24px;filter:blur(8px)}
.feed-img::after{content:"";position:absolute;left:0;right:0;bottom:0;height:55%;background:linear-gradient(transparent,rgba(1,11,8,.7))}
.feed-stats{display:flex;gap:12px;color:#77938c;font-size:6px;margin-top:7px}
.feed-stats b{color:#c2ded6;font-weight:600}

/* 界面预览 */
.screens{background:linear-gradient(180deg,rgba(255,255,255,.018),transparent)}
.screen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.screen-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:rgba(255,255,255,.022);transition:border-color .2s,transform .2s}
.screen-card:hover{border-color:rgba(116,240,196,.3);transform:translateY(-4px)}
.screen-thumb{height:330px;position:relative;overflow:hidden;background:#07131a;display:flex;justify-content:center;align-items:flex-end;padding-top:26px}
.screen-thumb .phone{position:relative;transform:scale(.78);transform-origin:bottom center;top:auto;left:auto;right:auto;box-shadow:0 20px 40px rgba(0,0,0,.5)}
.screen-thumb .screen{height:100%}
.screen-meta{padding:15px 17px 17px;border-top:1px solid var(--line-soft)}
.screen-meta small{color:var(--mint);font-size:9px;letter-spacing:.12em;font-weight:700}
.screen-meta strong{display:block;color:var(--ink);font-size:14px;margin:5px 0 4px}
.screen-meta p{color:#78928d;font-size:10px;line-height:1.7}

/* 下载 */
.download{padding:64px 0 94px}
.download-card{
  position:relative;overflow:hidden;border:1px solid rgba(116,240,196,.2);border-radius:24px;
  background:
    radial-gradient(600px 320px at 90% 0%,rgba(116,240,196,.16),transparent 65%),
    linear-gradient(135deg,#0a1a20,#071319 70%);
  padding:44px 46px;display:grid;grid-template-columns:1fr auto;gap:38px;align-items:center;
}
.download-card::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;border:1px solid rgba(116,240,196,.14);right:-70px;bottom:-90px}
.download-copy .eyebrow{margin-bottom:15px}
.download-copy h2{font-size:clamp(28px,3.6vw,42px);line-height:1.14;margin-bottom:12px}
.download-copy p{color:#91aaa4;font-size:13px;line-height:1.85;max-width:480px}
.download-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.download-note{color:#607c76;font-size:10px;margin-top:14px}
.qr-box{position:relative;z-index:1;text-align:center}
.qr-frame{width:132px;height:132px;padding:7px;border-radius:16px;background:#effff9;box-shadow:0 12px 32px rgba(0,0,0,.28)}
.qr-box small{display:block;color:#8ba59f;font-size:9px;margin-top:8px}
.download-app{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.download-app img{width:48px;height:48px;border-radius:13px;border:1px solid rgba(255,255,255,.15)}
.download-app strong{display:block;color:#effff9;font-size:16px;font-weight:800;letter-spacing:-.02em}
.download-app span{display:block;color:#7e9993;font-size:10px;margin-top:2px}

/* 页脚 */
.footer{border-top:1px solid var(--line-soft);padding:26px 0 34px;color:#6f8a84;font-size:10px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-left{display:flex;align-items:center;gap:9px}
.footer-left img{width:20px;height:20px;border-radius:6px;filter:grayscale(.2)}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer a:hover{color:var(--mint)}
.icp{color:#566e68;font-size:9px}

/* 动效 */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.16,1,.3,1)}
[data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;transition:none}
  .phone-back,.phone-front,.phone-solo .phone{transition:none}
}

/* 响应式 */
@media(max-width:1000px){
  .hero-grid{grid-template-columns:minmax(0,1fr);min-height:0;gap:8px}
  .hero-copy{padding:0;text-align:center;display:flex;flex-direction:column;align-items:center;width:100%}
  .hero-lead{max-width:520px}
  .hero-actions{justify-content:center}
  .hero-meta{justify-content:center}
  .phone-stage{height:570px;max-width:600px;margin:0 auto;width:100%}
  .phone-back{left:7%;top:90px}
  .phone-front{right:8%;top:18px}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .stat:nth-child(3){border-left:0}
  .split{grid-template-columns:1fr;gap:24px}
  .split-copy{text-align:center;display:flex;flex-direction:column;align-items:center}
  .checks{text-align:left}
  .phone-solo{min-height:520px;order:-1}
  .download-card{grid-template-columns:1fr;text-align:center;justify-items:center}
  .download-copy{display:flex;flex-direction:column;align-items:center}
  .download-actions{justify-content:center}
  .download-app{justify-content:center}
}
@media(max-width:760px){
  .wrap{width:calc(100% - 32px)}
  .site-header,.header-inner{height:64px}
  .nav{display:none}
  .header-cta{min-height:34px;padding:0 13px;font-size:11px}
  .hero{padding-top:108px}
  .hero h1{font-size:clamp(42px,11.5vw,58px);letter-spacing:-.07em;max-width:100%}
  .hero h1 .accent{display:block;white-space:normal;max-width:100%}
  .hero-lead{font-size:14px;line-height:1.8}
  .hero-grid{gap:0}
  .hero-actions{width:100%;max-width:350px;justify-content:center}
  .hero-actions .store-btn{flex:1 1 148px;min-width:0;justify-content:center;padding:0 12px}
  .phone-stage{height:500px;margin-top:8px;width:100%;max-width:100%;overflow:visible}
  .phone{width:190px;height:384px;border-radius:32px;padding:7px}
  .phone::before{width:62px;height:16px;top:10px}
  .screen{border-radius:26px}
  .phone-back{left:0;top:78px}
  .phone-front{right:0;top:18px}
  .stats-inner{padding:20px 0}
  .stat{padding:0 8px}
  .stat strong{font-size:21px}
  .stat span{font-size:9px}
  .section{padding:70px 0}
  .section-tight{padding:58px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:32px}
  .section-head p{font-size:13px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card{min-height:0;padding:22px}
  .feature-card.wide{grid-column:auto;display:block}
  .feature-visual{margin-top:16px;height:110px}
  .feature-no{font-size:44px}
  .screen-grid{grid-template-columns:1fr;gap:14px}
  .screen-thumb{height:300px}
  .download-card{padding:30px 20px;border-radius:20px}
  .download-actions .store-btn{min-height:50px;padding:0 14px}
  .qr-box{margin-top:2px}
  .footer-inner{justify-content:center;text-align:center}
  .footer-left{justify-content:center;width:100%}
}