:root{
    --bg:#f5f6fb;
    --surface:#ffffff;
    --ink:#0c1425;
    --muted:#5b6478;
    --line:rgba(12,20,37,.08);
    --line-strong:rgba(12,20,37,.14);
    --brand:#3b6bff;
    --brand-2:#7c4dff;
    --ios:#0a84ff;
    --android:#16a34a;
    --warning:#b45309;
    --radius:22px;
    --shadow:0 24px 60px -32px rgba(12,20,37,.38);
    --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","MiSans","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    margin:0;
    font-family:var(--font);
    color:var(--ink);
    background:
        radial-gradient(900px 500px at 8% -10%, rgba(59,107,255,.08), transparent 60%),
        radial-gradient(700px 400px at 100% 0%, rgba(124,77,255,.07), transparent 55%),
        var(--bg);
    -webkit-font-smoothing:antialiased;
    line-height:1.6;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
button{font-family:inherit}
.site{min-height:100vh;display:flex;flex-direction:column}
.wrap{width:min(1120px, calc(100% - 40px));margin:0 auto}
.narrow{width:min(760px, calc(100% - 40px))}

/* ---------- 顶部导航 ---------- */
.site-head{
    position:sticky;top:0;z-index:50;
    display:flex;align-items:center;justify-content:space-between;
    gap:20px;padding:14px 0;
    background:rgba(245,246,251,.82);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid rgba(12,20,37,.06);
}
.site-head::after{content:""}
.site-head > .brand,.site-head > .site-nav{margin-left:0}
.site-head > .brand{margin-left:max(20px, calc((100vw - 1120px)/2))}
.site-head > .site-nav{margin-right:max(20px, calc((100vw - 1120px)/2))}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
    width:38px;height:38px;border-radius:12px;flex:none;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    display:grid;place-items:center;
    box-shadow:0 10px 24px -12px rgba(59,107,255,.8);
}
.brand-mark span{
    width:14px;height:16px;display:block;position:relative;
    border:2px solid #fff;border-top:0;border-radius:0 0 4px 4px;
}
.brand-mark span::before{
    content:"";position:absolute;left:50%;top:-7px;width:2px;height:14px;
    background:#fff;transform:translateX(-50%);
}
.brand-mark span::after{
    content:"";position:absolute;left:50%;top:2px;width:6px;height:6px;
    border-right:2px solid #fff;border-bottom:2px solid #fff;
    transform:translate(-50%,0) rotate(45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;letter-spacing:.2px}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:1.6px;text-transform:uppercase;margin-top:3px}
.site-nav{display:flex;gap:6px}
.site-nav a{
    font-size:14px;color:var(--muted);padding:8px 14px;border-radius:999px;
    transition:.2s;
}
.site-nav a:hover{color:var(--ink);background:rgba(12,20,37,.05)}
.site-nav a.is-active{color:var(--ink);background:#fff;box-shadow:0 6px 18px -12px rgba(12,20,37,.5)}

/* ---------- 按钮 ---------- */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:13px;border:0;cursor:pointer;
    font-size:14.5px;font-weight:600;letter-spacing:.2px;
    transition:transform .18s ease, box-shadow .18s ease, background .18s ease, opacity .18s;
    white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{
    color:#fff;background:linear-gradient(135deg,#3b6bff,#7448ff);
    box-shadow:0 16px 34px -18px rgba(59,107,255,.9);
}
.btn-primary:hover{box-shadow:0 20px 40px -18px rgba(59,107,255,1)}
.btn-ghost{
    color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
    backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-light{color:var(--ink);background:#fff;border:1px solid var(--line-strong)}
.btn-ios{color:#fff;background:var(--ios);box-shadow:0 14px 26px -18px rgba(10,132,255,.9)}
.btn-android{color:#fff;background:var(--android);box-shadow:0 14px 26px -18px rgba(22,163,74,.9)}
.btn-lg{height:54px;padding:0 30px;font-size:16px}

/* ---------- 首屏 ---------- */
.hero{
    position:relative;overflow:hidden;color:#fff;
    padding:88px 0 76px;margin-bottom:8px;
    background:
        radial-gradient(1200px 700px at 85% -20%, rgba(124,77,255,.35), transparent 60%),
        radial-gradient(900px 600px at 0% 110%, rgba(59,107,255,.32), transparent 60%),
        linear-gradient(140deg,#080e1c 0%,#101a30 55%,#171237 100%);
}
.hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 50% 40%, #000 20%, transparent 78%);
    -webkit-mask-image:radial-gradient(circle at 50% 40%, #000 20%, transparent 78%);
}
.hero-glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;pointer-events:none}
.hero-glow-a{width:420px;height:420px;right:-60px;top:-140px;background:#6d4bff}
.hero-glow-b{width:320px;height:320px;left:-100px;bottom:-180px;background:#2f7bff}
.hero-inner{position:relative;z-index:2}
.hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;letter-spacing:1.4px;text-transform:uppercase;
    color:#cfe0ff;background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.15);
    padding:7px 14px;border-radius:999px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:#6ee7a8;box-shadow:0 0 0 4px rgba(110,231,168,.18)}
.hero h1{
    margin-top:22px;
    font-size:clamp(36px,5.4vw,58px);
    line-height:1.14;letter-spacing:-1.4px;font-weight:800;
}
.hero h1 span{
    background:linear-gradient(96deg,#9ec1ff 0%,#d6c3ff 52%,#a6ffe4 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{
    margin-top:20px;max-width:640px;
    color:rgba(233,239,255,.72);font-size:15.5px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-chips{
    display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;
    padding-top:26px;border-top:1px solid rgba(255,255,255,.1);
}
.hero-chips span{
    font-size:13px;color:rgba(226,234,255,.72);
    background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);
    padding:7px 14px;border-radius:999px;
}
.hero-chips b{color:#fff;font-weight:700}

/* ---------- 区块 ---------- */
.section{padding:58px 0 8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-label{
    display:block;font-size:11.5px;letter-spacing:2.6px;color:var(--brand);
    font-weight:700;margin-bottom:6px;
}
.section-head h2{font-size:clamp(24px,3vw,30px);letter-spacing:-.6px;line-height:1.2}
.sec-count{font-size:13px;color:var(--muted);padding-bottom:4px}
.notice-bar{
    display:flex;align-items:flex-start;gap:10px;
    font-size:13.5px;color:#41506b;line-height:1.7;
    background:rgba(59,107,255,.06);
    border:1px solid rgba(59,107,255,.14);
    border-radius:14px;padding:12px 16px;margin-bottom:24px;
}
.notice-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none;margin-top:6px}

/* ---------- 应用卡片 ---------- */
.app-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}
.app-card{
    display:flex;flex-direction:column;gap:16px;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius);padding:22px;
    box-shadow:0 10px 30px -26px rgba(12,20,37,.5);
    transition:transform .22s ease, box-shadow .22s ease, border-color .22s;
    position:relative;overflow:hidden;
}
.app-card::before{
    content:"";position:absolute;left:0;right:0;top:0;height:3px;
    background:linear-gradient(90deg,var(--brand),var(--brand-2));
    opacity:0;transition:opacity .22s;
}
.app-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(59,107,255,.22)}
.app-card:hover::before{opacity:1}
.app-card-head{display:flex;flex-direction:column;gap:8px;flex:1}
.app-kicker{font-size:11px;letter-spacing:1.8px;color:#8a93a6;font-weight:700}
.app-card h3{font-size:20px;letter-spacing:-.3px;line-height:1.35}
.app-remark{font-size:13.5px;color:var(--muted);line-height:1.75;word-break:break-word}
.platform-tags{display:flex;flex-wrap:wrap;gap:8px}
.ptag{
    display:inline-flex;align-items:center;
    font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;
    letter-spacing:.2px;
}
.ptag-ios{color:#0369c9;background:rgba(10,132,255,.1);border:1px solid rgba(10,132,255,.18)}
.ptag-android{color:#0d7c3d;background:rgba(22,163,74,.1);border:1px solid rgba(22,163,74,.2)}
.ptag.is-off{color:#8a93a6;background:#f2f3f8;border:1px solid rgba(12,20,37,.08)}
.app-card-foot{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding-top:16px;border-top:1px dashed var(--line);
}
.app-heat{font-size:12.5px;color:var(--muted)}
.app-heat b{color:var(--ink);font-size:15px;margin-left:2px}
.app-actions{display:flex;gap:8px;flex-wrap:wrap}
.app-actions .btn{height:38px;padding:0 15px;font-size:13px;border-radius:11px}

/* ---------- 排行榜 ---------- */
.rank-filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 14px}
.rank-filter{
    display:inline-flex;align-items:center;justify-content:center;
    padding:7px 13px;border-radius:9px;border:1px solid var(--line);
    background:var(--surface);color:var(--muted);
    font-size:12.5px;font-weight:600;font-family:inherit;cursor:pointer;transition:.2s;
}
.rank-filter:hover{border-color:rgba(59,107,255,.45);color:var(--brand)}
.rank-filter.is-active{background:rgba(59,107,255,.1);border-color:rgba(59,107,255,.35);color:var(--brand)}
.rank-date-form{display:flex;align-items:center;gap:8px;margin-left:auto}
.rank-date-form input[type="date"]{
    border:1px solid var(--line);background:var(--surface);border-radius:9px;
    color:var(--ink);font-family:inherit;font-size:12.5px;padding:6px 9px;
}
.rank-date-form input[type="date"]:focus{outline:none;border-color:rgba(59,107,255,.5);box-shadow:0 0 0 3px rgba(59,107,255,.1)}
.rank-filter-current{font-size:12px;color:var(--muted);margin-left:auto}
.rank-card{
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius);padding:18px 22px 10px;
    box-shadow:0 10px 30px -28px rgba(12,20,37,.4);
}
.rank-tabs{display:flex;gap:8px;padding:4px;background:#f3f5fa;border-radius:12px;width:max-content;margin-bottom:8px}
.rank-tab{
    border:0;background:transparent;color:var(--muted);
    font-size:13.5px;font-weight:600;padding:8px 18px;border-radius:9px;cursor:pointer;transition:.2s;
}
.rank-tab.is-active{background:#fff;color:var(--ink);box-shadow:0 6px 16px -12px rgba(12,20,37,.8)}
.rank-row{
    display:flex;align-items:center;gap:14px;
    padding:13px 2px;border-bottom:1px solid var(--line);
}
.rank-row:last-child{border-bottom:0}
.rank-no{
    width:26px;height:26px;flex:none;border-radius:8px;
    display:grid;place-items:center;font-size:13px;font-weight:700;
    color:var(--muted);background:#f3f5fa;
}
.rank-no.is-top{color:#fff;background:linear-gradient(135deg,#3b6bff,#7c4dff)}
.rank-main{flex:1;min-width:0}
.rank-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:7px}
.rank-title strong{font-size:14.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-title span{font-size:12px;color:var(--muted);flex:none}
.rank-bar{height:5px;border-radius:999px;background:#f0f2f8;overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#3b6bff,#8b5bff);transition:width .4s}
.rank-bar.is-android i{background:linear-gradient(90deg,#12b76a,#5fd69b)}
.rank-clicks{flex:none;font-size:12px;color:var(--muted);min-width:52px;text-align:right}
.rank-empty{padding:30px 0;text-align:center;color:var(--muted);font-size:13.5px}

/* ---------- 说明卡片 ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.guide-card{
    background:var(--surface);border:1px solid var(--line);border-radius:18px;
    padding:20px 20px 22px;position:relative;
}
.guide-no{font-size:11.5px;letter-spacing:1.6px;color:var(--brand);font-weight:700}
.guide-card h3{font-size:16px;margin:8px 0 8px}
.guide-card p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- 空状态 ---------- */
.empty-card{
    background:var(--surface);border:1px dashed var(--line-strong);
    border-radius:var(--radius);padding:46px 22px;text-align:center;
}
.empty-code{
    display:inline-grid;place-items:center;width:52px;height:52px;border-radius:14px;
    background:#f3f5fa;color:#98a1b4;font-weight:700;font-size:20px;margin-bottom:14px;
}
.empty-card h2,.empty-card h3{font-size:20px;margin-bottom:8px}
.empty-card p{font-size:14px;color:var(--muted);margin-bottom:18px}

/* ---------- 下载页 ---------- */
.dl-page{position:relative;z-index:1}
.dl-card{
    position:relative;overflow:hidden;
    background:linear-gradient(180deg,rgba(255,255,255,.94),rgba(255,255,255,.86));
    border:1px solid rgba(255,255,255,.8);
    border-radius:30px;padding:34px;
    backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
    box-shadow:0 40px 100px -50px rgba(20,35,70,.5),0 1px 0 #fff inset;
    animation:dlRise .5s cubic-bezier(.2,.7,.2,1) both;
}
.dl-card::before{
    content:"";position:absolute;width:520px;height:520px;border-radius:50%;
    top:-280px;right:-220px;pointer-events:none;
    background:radial-gradient(circle,rgba(59,107,255,.16),transparent 68%);
}
.dl-card > *{position:relative;z-index:1}
@keyframes dlRise{
    from{opacity:0;transform:translateY(16px)}
    to{opacity:1;transform:translateY(0)}
}

.dl-hero{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.dl-kicker{
    display:inline-flex;align-items:center;gap:7px;
    padding:5px 11px;border-radius:999px;
    font-size:11px;font-weight:700;letter-spacing:.8px;color:#3b6bff;
    background:rgba(59,107,255,.08);border:1px solid rgba(59,107,255,.16);
}
.dl-pulse{
    width:6px;height:6px;border-radius:50%;background:#3b6bff;
    box-shadow:0 0 0 0 rgba(59,107,255,.45);
    animation:dlPulse 2s infinite;
}
@keyframes dlPulse{
    0%{box-shadow:0 0 0 0 rgba(59,107,255,.45)}
    70%{box-shadow:0 0 0 7px rgba(59,107,255,0)}
    100%{box-shadow:0 0 0 0 rgba(59,107,255,0)}
}
.dl-hero h1{
    font-size:clamp(30px,4.6vw,42px);line-height:1.14;
    letter-spacing:-1.2px;margin:2px 0 0;
}
.dl-remark{font-size:14px;color:var(--muted);line-height:1.8;max-width:620px}
.dl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.dl-meta-item{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 11px;border-radius:999px;
    background:rgba(255,255,255,.68);border:1px solid rgba(20,35,70,.08);
    font-size:11.5px;font-weight:600;color:#5b6478;
}
.dl-meta-item svg{width:14px;height:14px;color:#3b6bff;flex:none}
.inline-warn{
    font-size:13px;color:var(--warning);line-height:1.7;
    background:#fff8ed;border:1px solid #fde3bf;border-radius:12px;
    padding:10px 14px;margin:18px 0 0;
}

.dl-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-top:28px}
.dl-section-head h2{font-size:15px;letter-spacing:-.2px}
.dl-section-head p{font-size:11.5px;color:#98a1b4}

.dl-platforms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:12px}
.dl-platform{
    position:relative;overflow:hidden;
    display:flex;flex-direction:column;gap:14px;
    padding:20px;border-radius:22px;
    border:1px solid rgba(20,35,70,.08);
    background:linear-gradient(180deg,#fff,rgba(248,250,255,.92));
    box-shadow:0 18px 40px -34px rgba(20,35,70,.45);
    transition:transform .25s ease,box-shadow .25s ease;
}
.dl-platform::before{
    content:"";position:absolute;inset:0 0 auto;height:3px;
    background:linear-gradient(90deg,#0a84ff,#5b8cff);
}
.dl-platform.is-ios{
    background:linear-gradient(165deg,rgba(10,132,255,.09),rgba(255,255,255,.97) 46%),#fff;
}
.dl-platform.is-android{background:linear-gradient(165deg,rgba(22,163,74,.09),rgba(255,255,255,.97) 46%),#fff}
.dl-platform.is-android::before{background:linear-gradient(90deg,#12b76a,#5fd39c)}
.dl-platform:hover{transform:translateY(-3px);box-shadow:0 28px 55px -36px rgba(20,35,70,.5)}
.dl-platform-head{display:flex;align-items:center;gap:12px}
.dl-platform-icon{
    width:44px;height:44px;border-radius:14px;flex:none;
    display:grid;place-items:center;color:#fff;
}
.dl-platform.is-ios .dl-platform-icon{
    background:linear-gradient(135deg,#0a84ff,#4f6dff);
    box-shadow:0 12px 24px -14px rgba(10,132,255,.9);
}
.dl-platform.is-android .dl-platform-icon{
    background:linear-gradient(135deg,#12b76a,#04964f);
    box-shadow:0 12px 24px -14px rgba(22,163,74,.9);
}
.dl-platform-icon svg{width:24px;height:24px}
.dl-platform-meta{min-width:0}
.dl-platform-kicker{
    display:block;font-size:9.5px;font-weight:800;letter-spacing:1.3px;
    text-transform:uppercase;color:#8a93a6;
}
.dl-platform-meta strong{display:block;font-size:16px;letter-spacing:-.3px;margin-top:1px}
.dl-platform-file{display:block;font-size:11.5px;color:var(--muted);margin-top:2px}
.dl-platform-note{font-size:11.5px;color:#8a93a6;line-height:1.65;margin-top:auto}
.dl-download-btn{
    position:relative;overflow:hidden;width:100%;min-height:62px;height:auto;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:12px 14px 12px 18px;border:0;border-radius:15px;color:#fff;
    text-align:left;white-space:normal;cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease;
}
.dl-download-btn.is-ios{
    background:linear-gradient(135deg,#0a84ff,#4f6dff);
    box-shadow:0 16px 30px -16px rgba(10,132,255,.75);
}
.dl-download-btn.is-android{
    background:linear-gradient(135deg,#12b76a,#04964f);
    box-shadow:0 16px 30px -16px rgba(22,163,74,.75);
}
.dl-download-btn::after{
    content:"";position:absolute;top:-80%;left:-45%;width:38%;height:260%;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
    transform:rotate(20deg);transition:left .55s ease;pointer-events:none;
}
.dl-download-btn:hover{transform:translateY(-2px)}
.dl-download-btn:hover::after{left:125%}
.dl-download-btn:active{transform:translateY(0)}
.dl-download-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.dl-btn-main{display:flex;flex-direction:column;gap:2px;min-width:0}
.dl-btn-text{font-size:15px;font-weight:700;letter-spacing:.1px}
.dl-btn-sub{font-size:10.5px;font-weight:500;opacity:.75;letter-spacing:.3px}
.dl-btn-arrow{
    width:34px;height:34px;border-radius:50%;flex:none;
    display:grid;place-items:center;background:rgba(255,255,255,.18);
}
.dl-btn-arrow svg{width:17px;height:17px}

.dl-tip{
    margin-top:14px;padding:10px 13px;border-radius:11px;
    background:rgba(59,107,255,.05);border:1px solid rgba(59,107,255,.09);
    font-size:11.5px;color:#6b7387;line-height:1.7;
}
.dl-tip b{color:#44506a;font-weight:600}
.dl-error{
    margin-top:12px;font-size:13px;color:#b42318;
    background:#fef3f2;border:1px solid #fecdca;border-radius:10px;padding:10px 13px;
}

.dl-guide{margin-top:24px;border-top:1px solid rgba(20,35,70,.08);padding-top:22px}
.dl-guide-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px}
.dl-guide-eyebrow{
    display:block;font-size:9.5px;font-weight:800;letter-spacing:1.4px;
    text-transform:uppercase;color:#98a1b4;margin-bottom:4px;
}
.dl-guide-head h2{font-size:17px;letter-spacing:-.3px}
.dl-guide-note{font-size:11.5px;color:#98a1b4}
.dl-steps-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.dl-steps-col{
    padding:16px;border-radius:16px;
    background:rgba(248,250,255,.78);border:1px solid rgba(20,35,70,.06);
}
.dl-steps-col h3{
    display:flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.1px;margin-bottom:11px;color:#3b475e;
}
.dl-steps-col h3::before{
    content:"";width:7px;height:7px;border-radius:50%;
    background:#3b6bff;box-shadow:0 0 0 3px rgba(59,107,255,.12);
}
.dl-steps-col.is-ios h3::before{background:#0a84ff;box-shadow:0 0 0 3px rgba(10,132,255,.12)}
.dl-steps-col.is-android h3::before{background:#12b76a;box-shadow:0 0 0 3px rgba(22,163,74,.12)}
.dl-steps-col ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.dl-steps-col li{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;color:var(--muted);line-height:1.7}
.dl-steps-col li span{
    flex:none;width:21px;height:21px;border-radius:50%;
    display:grid;place-items:center;font-size:10.5px;font-weight:700;
    color:#3b6bff;background:rgba(59,107,255,.09);margin-top:1px;
}
.dl-steps-col.is-ios li span{color:#0a84ff;background:rgba(10,132,255,.09)}
.dl-steps-col.is-android li span{color:#0d7c3d;background:rgba(22,163,74,.09)}
.dl-safe{
    display:flex;align-items:flex-start;gap:9px;
    margin-top:24px;padding:13px 15px;border-radius:14px;
    background:rgba(59,107,255,.06);border:1px solid rgba(59,107,255,.12);
    font-size:11.5px;color:#6b7387;line-height:1.7;text-align:left;
}
.dl-safe svg{width:16px;height:16px;flex:none;color:#3b6bff;margin-top:1px}

/* 主题二：曜石黑 */
body.standalone.dl-theme-dark{
    background:
        radial-gradient(900px 560px at 10% -12%,rgba(43,102,255,.22),transparent 60%),
        radial-gradient(720px 480px at 102% 2%,rgba(124,72,255,.15),transparent 64%),
        radial-gradient(680px 480px at 48% 112%,rgba(10,170,120,.10),transparent 66%),
        #070b14;
}
body.standalone.dl-theme-dark::before{background:radial-gradient(circle,rgba(59,107,255,.24),transparent 70%)}
body.standalone.dl-theme-dark::after{background:radial-gradient(circle,rgba(18,183,106,.16),transparent 70%)}
.dl-theme-dark .dl-card{
    background:linear-gradient(180deg,rgba(17,25,42,.92),rgba(8,14,26,.88));
    border-color:rgba(255,255,255,.08);
    box-shadow:0 44px 110px -46px rgba(0,0,0,.9),0 1px 0 rgba(255,255,255,.05) inset;
}
.dl-theme-dark .dl-card::before{background:radial-gradient(circle,rgba(59,107,255,.22),transparent 68%)}
.dl-theme-dark .dl-kicker{color:#93b8ff;background:rgba(59,107,255,.14);border-color:rgba(59,107,255,.28)}
.dl-theme-dark .dl-pulse{background:#6ea0ff;box-shadow:0 0 0 0 rgba(110,160,255,.4)}
.dl-theme-dark .dl-hero h1{color:#f4f7ff}
.dl-theme-dark .dl-remark{color:#a5b2c9}
.dl-theme-dark .dl-meta-item{background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.09);color:#c1ccdf}
.dl-theme-dark .dl-meta-item svg{color:#84adff}
.dl-theme-dark .dl-section-head h2{color:#e9effb}
.dl-theme-dark .dl-section-head p{color:#78859d}
.dl-theme-dark .dl-platform{
    background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.022));
    border-color:rgba(255,255,255,.09);
    box-shadow:0 18px 40px -32px rgba(0,0,0,.85);
}
.dl-theme-dark .dl-platform.is-ios{background:linear-gradient(165deg,rgba(10,132,255,.17),rgba(13,21,38,.6) 52%),#0d1526}
.dl-theme-dark .dl-platform.is-android{background:linear-gradient(165deg,rgba(22,163,74,.16),rgba(13,21,38,.6) 52%),#0d1526}
.dl-theme-dark .dl-platform-kicker{color:#8391aa}
.dl-theme-dark .dl-platform-meta strong{color:#eff4ff}
.dl-theme-dark .dl-platform-file,.dl-theme-dark .dl-platform-note{color:#8b98b0}
.dl-theme-dark .dl-platform-icon{box-shadow:0 12px 24px -14px rgba(0,0,0,.9)}
.dl-theme-dark .dl-download-btn.is-ios{background:linear-gradient(135deg,#1478ff,#4d6bff);box-shadow:0 16px 34px -18px rgba(20,120,255,.75)}
.dl-theme-dark .dl-download-btn.is-android{background:linear-gradient(135deg,#13b979,#069b54);box-shadow:0 16px 34px -18px rgba(19,185,121,.7)}
.dl-theme-dark .dl-tip{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08);color:#9ba9c0}
.dl-theme-dark .dl-tip b{color:#dce5f5}
.dl-theme-dark .dl-error{color:#ffb4ad;background:rgba(180,35,24,.16);border-color:rgba(255,120,110,.3)}
.dl-theme-dark .inline-warn{color:#f3c27a;background:rgba(180,120,20,.13);border-color:rgba(243,194,122,.25)}
.dl-theme-dark .dl-guide{border-top-color:rgba(255,255,255,.08)}
.dl-theme-dark .dl-guide-eyebrow,.dl-theme-dark .dl-guide-note{color:#71809b}
.dl-theme-dark .dl-guide-head h2{color:#e8eefb}
.dl-theme-dark .dl-steps-col{background:rgba(255,255,255,.035);border-color:rgba(255,255,255,.07)}
.dl-theme-dark .dl-steps-col h3{color:#dfe8f8}
.dl-theme-dark .dl-steps-col li{color:#98a6be}
.dl-theme-dark .dl-steps-col li span{background:rgba(110,160,255,.12);color:#8ab4ff}
.dl-theme-dark .dl-steps-col.is-ios li span{background:rgba(10,132,255,.16);color:#79b8ff}
.dl-theme-dark .dl-steps-col.is-android li span{background:rgba(22,163,74,.16);color:#5fd39c}
.dl-theme-dark .dl-safe{background:rgba(59,107,255,.09);border-color:rgba(59,107,255,.2);color:#9dabc2}
.dl-theme-dark .ios-modal-card{
    background:#0f1727;border:1px solid rgba(255,255,255,.08);
    box-shadow:0 30px 80px -30px rgba(0,0,0,.9);
}
.dl-theme-dark .ios-modal-head h2{color:#f1f5ff}
.dl-theme-dark .ios-modal-head p,.dl-theme-dark .ios-modal-steps p{color:#9ba9c0}
.dl-theme-dark .ios-modal-steps strong{color:#e6edfa}
.dl-theme-dark .ios-modal-badge{color:#8ab4ff;background:rgba(10,132,255,.16)}
.dl-theme-dark .ios-modal-steps li > span{color:#8ab4ff;background:rgba(10,132,255,.16)}
.dl-theme-dark .ios-modal-tip{
    color:#f3c27a;background:rgba(180,120,20,.13);border-color:rgba(243,194,122,.25);
}

/* 主题三：纯净白 */
body.standalone.dl-theme-minimal{
    background:linear-gradient(180deg,#f7f8fa,#f2f4f7 60%,#eef1f5);
    background-attachment:scroll;
}
body.standalone.dl-theme-minimal::before,
body.standalone.dl-theme-minimal::after{display:none}
.dl-theme-minimal .dl-card{
    background:#fff;border-color:#e2e7ef;border-radius:18px;
    box-shadow:0 20px 55px -42px rgba(15,23,42,.35);
    backdrop-filter:none;-webkit-backdrop-filter:none;animation:none;
}
.dl-theme-minimal .dl-card::before{display:none}
.dl-theme-minimal .dl-kicker{color:#1d4ed8;background:#eef3ff;border-color:#dbe5ff;border-radius:8px}
.dl-theme-minimal .dl-pulse{background:#1d4ed8;box-shadow:0 0 0 0 rgba(29,78,216,.35)}
.dl-theme-minimal .dl-hero h1{color:#111827;letter-spacing:-.9px}
.dl-theme-minimal .dl-remark{color:#5b6478}
.dl-theme-minimal .dl-meta-item{background:#f8fafc;border-color:#e5eaf1;border-radius:8px;color:#5b6478}
.dl-theme-minimal .dl-meta-item svg{color:#1d4ed8}
.dl-theme-minimal .dl-section-head h2{color:#111827}
.dl-theme-minimal .dl-section-head p{color:#8a93a6}
.dl-theme-minimal .dl-platform{
    background:#fafbfc;border-color:#e5e9f0;border-radius:14px;
    box-shadow:none;padding:18px;
}
.dl-theme-minimal .dl-platform.is-ios{background:#f8fbff;border-color:#dbe8fa}
.dl-theme-minimal .dl-platform.is-android{background:#f7fcf9;border-color:#d8eee1}
.dl-theme-minimal .dl-platform::before{display:none}
.dl-theme-minimal .dl-platform-icon{border-radius:10px;box-shadow:none}
.dl-theme-minimal .dl-platform-kicker{color:#8a93a6}
.dl-theme-minimal .dl-platform-meta strong{color:#111827}
.dl-theme-minimal .dl-platform-file,.dl-theme-minimal .dl-platform-note{color:#7c8598}
.dl-theme-minimal .dl-download-btn{border-radius:10px;box-shadow:none;padding:12px 14px 12px 16px}
.dl-theme-minimal .dl-download-btn.is-ios{background:#1a73e8;box-shadow:none}
.dl-theme-minimal .dl-download-btn.is-android{background:#0f9d58;box-shadow:none}
.dl-theme-minimal .dl-download-btn::after{display:none}
.dl-theme-minimal .dl-download-btn:hover{transform:none}
.dl-theme-minimal .dl-btn-arrow{border-radius:8px;background:rgba(255,255,255,.15)}
.dl-theme-minimal .dl-tip{background:#fff;border-color:#e5eaf1;border-radius:8px;color:#6b7387}
.dl-theme-minimal .dl-guide{border-top-color:#e5eaf1}
.dl-theme-minimal .dl-guide-eyebrow{color:#8a93a6}
.dl-theme-minimal .dl-guide-head h2{color:#111827}
.dl-theme-minimal .dl-guide-note{color:#8a93a6}
.dl-theme-minimal .dl-steps-col{background:#fafbfc;border-color:#e7ebf2;border-radius:10px}
.dl-theme-minimal .dl-steps-col h3{color:#3b475e}
.dl-theme-minimal .dl-steps-col li{color:#5b6478}
.dl-theme-minimal .dl-safe{background:#f8fafc;border-color:#e5eaf1;border-radius:10px;color:#6b7387}
.dl-theme-minimal .dl-safe svg{color:#1d4ed8}
.dl-theme-minimal .inline-warn{border-radius:8px}
.btn-download-entry{
    color:#fff;background:linear-gradient(135deg,#3b6bff,#7448ff);
    box-shadow:0 14px 26px -18px rgba(59,107,255,.9);
}

/* iOS 安装说明弹窗 */
body.modal-open{overflow:hidden}
body.standalone{
    position:relative;min-height:100vh;padding:34px 0 44px;
    background:
        radial-gradient(900px 520px at 8% -8%,rgba(59,107,255,.16),transparent 60%),
        radial-gradient(760px 460px at 100% 0%,rgba(116,72,255,.12),transparent 62%),
        radial-gradient(620px 420px at 50% 112%,rgba(18,183,106,.09),transparent 66%),
        #f3f5fb;
    background-attachment:fixed;
}
body.standalone::before{
    content:"";position:fixed;top:-120px;left:-100px;width:360px;height:360px;
    border-radius:50%;pointer-events:none;z-index:0;
    background:radial-gradient(circle,rgba(59,107,255,.15),transparent 70%);
}
body.standalone::after{
    content:"";position:fixed;bottom:-160px;right:-120px;width:420px;height:420px;
    border-radius:50%;pointer-events:none;z-index:0;
    background:radial-gradient(circle,rgba(18,183,106,.11),transparent 70%);
}
body.standalone .empty-card{margin-top:8vh}
.mobile-guard-icon{
    width:66px;height:66px;margin:0 auto 16px;border-radius:18px;
    display:grid;place-items:center;color:#3b6bff;
    background:linear-gradient(135deg,#eef3ff,#e2ebff);
    box-shadow:0 14px 30px -20px rgba(59,107,255,.65);
}
.mobile-guard-icon svg{width:30px;height:30px}
.ios-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:20px}
.ios-modal[hidden]{display:none}
.ios-modal-mask{
    position:absolute;inset:0;background:rgba(7,12,24,.58);
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.ios-modal-card{
    position:relative;width:min(460px,100%);max-height:calc(100vh - 40px);overflow:auto;
    background:#fff;border-radius:22px;padding:24px 24px 20px;
    box-shadow:0 30px 80px -30px rgba(9,16,32,.55);
    animation:iosModalIn .22s ease;
}
@keyframes iosModalIn{
    from{opacity:0;transform:translateY(12px) scale(.98)}
    to{opacity:1;transform:translateY(0) scale(1)}
}
.ios-modal-badge{
    display:inline-block;font-size:11px;font-weight:700;letter-spacing:.8px;
    color:#0369c9;background:rgba(10,132,255,.1);border-radius:999px;padding:4px 10px;
}
.ios-modal-head h2{font-size:20px;letter-spacing:-.4px;margin:10px 0 6px}
.ios-modal-head p{font-size:13px;color:var(--muted);line-height:1.7}
.ios-modal-steps{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}
.ios-modal-steps li{display:flex;align-items:flex-start;gap:11px}
.ios-modal-steps li > span{
    flex:none;width:26px;height:26px;border-radius:50%;
    display:grid;place-items:center;font-size:12px;font-weight:700;
    color:#0369c9;background:rgba(10,132,255,.1);margin-top:1px;
}
.ios-modal-steps strong{display:block;font-size:14px;letter-spacing:-.1px}
.ios-modal-steps p{font-size:12.5px;color:var(--muted);line-height:1.65;margin-top:2px}
.ios-modal-tip{
    margin-top:18px;padding:11px 13px;border-radius:10px;
    font-size:12px;line-height:1.65;color:#8a5a00;
    background:#fffaeb;border:1px solid #fedf89;
}
.ios-modal-actions{display:flex;gap:10px;margin-top:20px}
.ios-modal-actions .btn{flex:1;height:44px;padding:0 14px;font-size:13.5px}
@media (max-width:720px){
    .ios-modal{padding:14px}
    .ios-modal-card{padding:20px 18px 16px;border-radius:18px;max-height:calc(100vh - 28px)}
    .ios-modal-head h2{font-size:18px}
    .ios-modal-actions .btn{font-size:13px}
}


/* ---------- 微信 / QQ 提示页 ---------- */
.block-page{
    position:fixed;inset:0;z-index:100;overflow:auto;
    display:flex;align-items:center;justify-content:center;
    padding:64px 20px 40px;
    background:
        radial-gradient(900px 600px at 80% -10%, rgba(124,77,255,.4), transparent 60%),
        linear-gradient(140deg,#080e1c,#111a2e 60%,#1a1440);
    color:#fff;
}
.block-glow{position:absolute;width:360px;height:360px;border-radius:50%;background:#3b6bff;filter:blur(90px);opacity:.45;left:-120px;bottom:-120px;pointer-events:none}
.block-card{
    position:relative;z-index:2;max-width:560px;width:100%;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
    border-radius:26px;padding:34px 30px;
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    box-shadow:0 40px 80px -40px rgba(0,0,0,.8);
}
.block-tag{
    display:inline-block;font-size:11.5px;letter-spacing:1.6px;
    color:#ffd58a;background:rgba(255,213,138,.1);
    border:1px solid rgba(255,213,138,.24);
    border-radius:999px;padding:5px 12px;margin-bottom:16px;
}
.block-card h1{font-size:clamp(26px,4.4vw,34px);line-height:1.35;letter-spacing:-.6px}
.block-card h1 em{font-style:normal;color:#9ec1ff}
.block-desc{font-size:14px;color:rgba(231,238,255,.72);line-height:1.85;margin-top:14px}
.block-desc strong{color:#fff}
.block-steps{display:flex;flex-direction:column;gap:12px;margin:24px 0 26px}
.block-step{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:13px 15px}
.block-step .step-no{
    flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
    font-size:12px;font-weight:700;color:#0b1220;background:#9ec1ff;margin-top:2px;
}
.block-step strong{font-size:14px;display:block}
.block-step p{font-size:12.5px;color:rgba(231,238,255,.62);margin-top:2px}
.copy-url{width:100%;background:#fff;color:#0b1220}
.top-arrow{
    position:fixed;top:14px;right:16px;z-index:120;
    display:flex;align-items:center;gap:2px;
    color:#ffd84d;font-size:12.5px;font-weight:700;letter-spacing:.5px;
    animation:floatY 1.6s ease-in-out infinite;
    text-shadow:0 2px 12px rgba(0,0,0,.5);
}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* ---------- 页脚 ---------- */
.site-foot{
    margin-top:auto;padding:48px 20px 30px;text-align:center;
    color:#8a93a6;font-size:12.5px;line-height:1.8;
}
.foot-line{width:40px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));margin:0 auto 18px;border-radius:2px}
.foot-tip{color:#a3aab8;font-size:12px;margin-top:4px}

/* ---------- 响应式 ---------- */
@media (max-width:720px){
    .wrap,.narrow{width:calc(100% - 32px)}
    .site-head > .brand{margin-left:16px}
    .site-head > .site-nav{margin-right:10px}
    .brand-text small{letter-spacing:1px}
    .site-nav a{padding:7px 10px;font-size:13px}
    .hero{padding:64px 0 56px}
    .hero h1{letter-spacing:-1px}
    .hero-actions .btn{flex:1;min-width:150px}
    .section{padding:44px 0 6px}
    .app-grid{grid-template-columns:1fr}
    .app-card{padding:19px}
    body.standalone{padding:20px 0 30px}
    .dl-card{padding:24px 18px;border-radius:24px}
    .dl-hero h1{font-size:29px}
    .dl-section-head{margin-top:24px}
    .dl-meta{gap:6px}
    .dl-meta-item{padding:6px 10px;font-size:11px}
    .dl-platforms,.dl-steps-grid{grid-template-columns:1fr}
    .dl-steps-grid{gap:12px}
    .dl-platform{padding:18px}
    .dl-download-btn{min-height:58px}
    .dl-tip{font-size:11px}
    .dl-guide-head{align-items:flex-start;flex-direction:column;gap:3px}
    .dl-guide-note{display:none}
    .block-card{padding:28px 20px}
    .block-page{padding-top:72px}
    .app-card-foot{flex-wrap:wrap}
    .app-actions{width:100%}
    .app-actions .btn{flex:1}
    .rank-date-form{margin-left:0;width:100%}
    .rank-date-form input[type="date"]{flex:1;min-width:0}
    .rank-filter-current{margin-left:0}
}

@media (prefers-reduced-motion: reduce){
    .dl-card,.dl-pulse{animation:none}
    .dl-platform,.dl-download-btn{transition:none}
    .dl-platform:hover,.dl-download-btn:hover{transform:none}
    .dl-download-btn::after{display:none}
}

/* ========== 主题二：应用商店 ========== */
body.standalone.dl-theme-store{
    background:#f5f5f7;background-attachment:scroll;color:#1d1d1f;
}
body.standalone.dl-theme-store::before,
body.standalone.dl-theme-store::after{display:none}
.store-page{max-width:820px}
.store-shell{
    background:#fff;border:1px solid #e6e6eb;border-radius:26px;
    padding:44px 46px 34px;
    box-shadow:0 34px 80px -62px rgba(0,0,0,.35);
    animation:dlRise .5s cubic-bezier(.2,.7,.2,1) both;
}
.store-hero{padding-bottom:24px;border-bottom:1px solid #e8e8ed}
.store-badge{
    display:inline-flex;align-items:center;gap:7px;
    font-size:10.5px;font-weight:700;letter-spacing:.8px;color:#2563eb;
    background:#f0f5ff;border:1px solid #dce8ff;border-radius:999px;padding:5px 11px;
}
.store-badge i{width:6px;height:6px;border-radius:50%;background:#2563eb}
.store-hero h1{
    font-size:clamp(32px,5vw,46px);line-height:1.1;
    letter-spacing:-1.7px;margin:16px 0 0;color:#1d1d1f;
}
.store-remark{font-size:14px;line-height:1.75;color:#6e6e73;margin-top:10px;max-width:600px}
.store-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:16px}
.store-meta span{
    position:relative;padding-left:11px;
    font-size:11.5px;color:#86868b;
}
.store-meta span::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:4px;height:4px;border-radius:50%;background:#c7c7cc;
}
.store-list{margin-top:26px}
.store-list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.store-list-head h2{font-size:20px;letter-spacing:-.5px;color:#1d1d1f}
.store-list-head span{font-size:11.5px;color:#86868b}
.store-row{
    display:flex;align-items:center;gap:14px;
    padding:18px 0;border-bottom:1px solid #ececf1;
}
.store-platform-icon{
    width:48px;height:48px;border-radius:13px;flex:none;
    display:grid;place-items:center;
    background:#f2f2f5;color:#1d1d1f;
}
.store-platform-icon svg{width:24px;height:24px}
.store-row.is-android .store-platform-icon{color:#0f9d58}
.store-platform-copy{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.store-platform-copy strong{font-size:16.5px;font-weight:650;letter-spacing:-.3px;color:#1d1d1f}
.store-platform-copy span{font-size:12px;color:#86868b}
.store-platform-copy em{
    font-style:normal;font-size:10px;font-weight:700;letter-spacing:.5px;
    color:#0d7c3d;background:#eaf8f0;border-radius:5px;padding:2px 6px;
    align-self:flex-start;margin-top:3px;
}
.store-get{
    width:auto;min-width:92px;min-height:36px;height:36px;padding:0 18px;
    border-radius:18px;justify-content:center;flex:none;
    box-shadow:none;background:#0071e3 !important;
}
.store-get::after{display:none}
.store-get:hover{transform:none;background:#0066cc !important}
.store-get .dl-btn-main{align-items:center}
.store-get .dl-btn-text{font-size:13.5px;font-weight:650;white-space:nowrap}
.store-get .dl-btn-arrow{display:none}
.store-tip{font-size:11.5px;color:#86868b;line-height:1.7;padding-top:14px}
.store-tip b{color:#1d1d1f;font-weight:600}
.store-guide{margin-top:28px;background:#f5f5f7;border-radius:18px;padding:22px}
.store-guide-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:16px}
.store-guide-head h2{font-size:16px;letter-spacing:-.3px;color:#1d1d1f}
.store-guide-head span{font-size:11px;color:#86868b}
.store-guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.store-step-group h3{
    font-size:11px;font-weight:800;letter-spacing:1px;
    text-transform:uppercase;color:#6e6e73;margin-bottom:10px;
}
.store-step-group ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.store-step-group li{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;line-height:1.65;color:#6e6e73}
.store-step-group li span{
    flex:none;width:21px;height:21px;border-radius:50%;
    display:grid;place-items:center;
    font-size:10.5px;font-weight:700;color:#1d1d1f;
    background:#fff;border:1px solid #dedee5;
}
.store-safe{
    display:flex;align-items:center;gap:8px;margin-top:22px;
    padding:12px 14px;border-radius:11px;
    background:#f5f5f7;font-size:11.5px;color:#86868b;
}
.store-safe svg{width:15px;height:15px;flex:none;color:#0d7c3d}

/* ========== 主题三：曜石黑 ========== */
.dl-theme-dark .dark-page{color:#e9effb}
.dark-shell{
    position:relative;overflow:hidden;
    padding:40px;border-radius:28px;
    background:linear-gradient(160deg,rgba(15,23,40,.9),rgba(7,12,23,.95));
    border:1px solid rgba(255,255,255,.08);
    box-shadow:0 46px 110px -46px rgba(0,0,0,.95),0 1px 0 rgba(255,255,255,.05) inset;
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
.dark-shell::before{
    content:"";position:absolute;top:-240px;right:-180px;width:520px;height:520px;
    border-radius:50%;pointer-events:none;
    background:radial-gradient(circle,rgba(59,107,255,.24),transparent 68%);
}
.dark-shell::after{
    content:"";position:absolute;bottom:-260px;left:-180px;width:480px;height:480px;
    border-radius:50%;pointer-events:none;
    background:radial-gradient(circle,rgba(22,163,74,.12),transparent 70%);
}
.dark-shell > *{position:relative;z-index:1}
.dark-hero{padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.08)}
.dark-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:9.5px;font-weight:800;letter-spacing:3.2px;color:#74839d}
.dark-eyebrow i{
    width:6px;height:6px;border-radius:50%;background:#6ea0ff;
    box-shadow:0 0 12px rgba(110,160,255,.9);
}
.dark-hero h1{
    font-size:clamp(34px,5.2vw,50px);line-height:1.05;letter-spacing:-1.8px;
    color:#f5f8ff;margin:14px 0 0;
}
.dark-remark{font-size:14px;line-height:1.75;color:#98a6bf;margin-top:12px;max-width:640px}
.dark-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:16px}
.dark-meta span{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;color:#8b99b2}
.dark-meta svg{width:14px;height:14px;color:#6ea0ff}
.dark-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;margin-top:28px}
.dark-col-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.dark-col-head span{
    font-size:10px;font-weight:800;letter-spacing:1px;color:#8ab4ff;
    border:1px solid rgba(110,160,255,.25);background:rgba(59,107,255,.12);
    border-radius:5px;padding:3px 6px;
}
.dark-col-head h2{font-size:13px;font-weight:700;letter-spacing:.4px;color:#dfe8f8}
.dark-col-head i{flex:1;height:1px;background:linear-gradient(90deg,rgba(110,160,255,.35),transparent)}
.dark-platform{
    margin-bottom:14px;padding:16px;border-radius:17px;
    background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
    border:1px solid rgba(255,255,255,.09);
}
.dark-platform.is-ios{border-color:rgba(10,132,255,.28);background:linear-gradient(150deg,rgba(10,132,255,.14),rgba(255,255,255,.02) 55%)}
.dark-platform.is-android{border-color:rgba(22,163,74,.28);background:linear-gradient(150deg,rgba(22,163,74,.13),rgba(255,255,255,.02) 55%)}
.dark-platform-top{display:flex;align-items:center;gap:12px;margin-bottom:13px}
.dark-platform-icon{
    width:42px;height:42px;border-radius:12px;flex:none;
    display:grid;place-items:center;color:#fff;
}
.dark-platform.is-ios .dark-platform-icon{background:linear-gradient(135deg,#0a84ff,#4f6dff);box-shadow:0 10px 24px -12px rgba(10,132,255,.9)}
.dark-platform.is-android .dark-platform-icon{background:linear-gradient(135deg,#12b76a,#04964f);box-shadow:0 10px 24px -12px rgba(22,163,74,.9)}
.dark-platform-icon svg{width:22px;height:22px}
.dark-platform-copy{min-width:0}
.dark-platform-copy span{display:block;font-size:9px;font-weight:800;letter-spacing:1.5px;color:#7f8da5;text-transform:uppercase}
.dark-platform-copy strong{display:block;font-size:15px;letter-spacing:-.2px;color:#f1f5ff;margin-top:1px}
.dark-platform-copy small{display:block;font-size:11px;color:#8b99b2;margin-top:2px}
.dark-platform .dl-download-btn{min-height:54px;border-radius:12px;padding:10px 12px 10px 16px}
.dark-platform .dl-btn-text{font-size:14px}
.dark-tip{font-size:11.5px;color:#8795ad;line-height:1.7;margin-top:4px}
.dark-tip b{color:#bcd3ff;font-weight:600}
.dark-steps{display:flex;flex-direction:column;gap:12px}
.dark-step{
    padding:14px 16px;border-radius:14px;
    background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.07);
    border-left:2px solid rgba(110,160,255,.55);
}
.dark-step.is-android{border-left-color:rgba(95,211,156,.55)}
.dark-step h3{font-size:10px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:#9fb0cb;margin-bottom:9px}
.dark-step ol{margin:0;padding:0 0 0 15px;display:flex;flex-direction:column;gap:6px}
.dark-step li{font-size:12px;line-height:1.65;color:#98a6be}
.dark-step li::marker{color:#6ea0ff}
.dark-safe{
    display:flex;align-items:center;gap:8px;margin-top:16px;
    padding:12px 14px;border-radius:12px;
    background:rgba(59,107,255,.09);border:1px solid rgba(59,107,255,.2);
    font-size:11px;color:#9dabc2;
}
.dark-safe svg{width:15px;height:15px;flex:none;color:#8ab4ff}

/* 主题响应式 */
@media (max-width:720px){
    .store-shell{padding:26px 20px 24px;border-radius:20px}
    .store-hero h1{font-size:30px;letter-spacing:-1.1px}
    .store-meta{gap:12px}
    .store-row{flex-wrap:wrap}
    .store-platform-copy{flex:1 1 calc(100% - 62px)}
    .store-get{width:100%;margin-top:2px}
    .store-guide-grid{grid-template-columns:1fr}
    .dark-shell{padding:24px 18px;border-radius:22px}
    .dark-hero h1{font-size:31px;letter-spacing:-1.1px}
    .dark-grid{grid-template-columns:1fr;gap:24px}
    .dark-meta{gap:12px}
}
@media (prefers-reduced-motion:reduce){
    .store-shell{animation:none}
}