/* =====================================================================
   DuoPay · 官网 & 下载页 · 共享样式 v2
   设计语言继承自 DuoPay 正式版 UI（双主题 token 同源）
   主强调 #FFFA0F · 品牌蓝 #023AFF · 品牌粉 #E0469B · Hero 蓝紫渐变
   ===================================================================== */

:root{
  --brandUSDT:#26A17B; --brandTG:#229ED9; --brandWA:#25D366;
  --mono:"SF Mono",ui-monospace,"JetBrains Mono",Menlo,monospace;
  --sans:"Inter","SF Pro Display",-apple-system,"PingFang SC","Helvetica Neue",Arial,sans-serif;
  --maxw:1200px;
  --r:20px; --r-sm:14px; --r-lg:28px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px;
  --ease:cubic-bezier(.22,.9,.32,1);
}

/* ===================== 浅色 ===================== */
html.t-light{
  --canvas:#F7F6FC; --surface:#FFFFFF; --surface2:#F4F2FB; --surface3:#ECEAF8;
  --ink:#0E0D15; --ink2:#48465C; --ink3:#6B6980;
  --line:#EAE8F5; --line2:#E0DDF0;
  --acc:#FFFA0F; --accInk:#023AFF; --onAcc:#1A1A1A; --accSoft:rgba(2,58,255,.09);
  --blue:#023AFF; --blueSoft:#E9EEFF;
  --pink:#E0469B; --pinkSoft:#FFE8F4;
  --pur:#6A5BFF; --purSoft:#EFEDFF;
  --ok:#12912A; --okSoft:#E4F7E7;
  --warn:#B25E00; --warnSoft:#FFF1DC;
  --gradA:#3B3566; --gradB:#023AFF; --gradC:#5A8BFF; --gradD:#023AFF;
  --navBg:rgba(255,255,255,.78); --navLine:rgba(20,18,40,.07);
  --shadow:0 2px 10px rgba(52,50,74,.06); --shadow-md:0 12px 30px rgba(52,50,74,.1); --shadow-lg:0 30px 70px rgba(20,18,40,.16);
  --heroTxt:#FFFFFF; --heroTxt2:rgba(255,255,255,.82);
  --bezel1:#2E2C3A; --bezel2:#15151C;
  --tblHead:#F4F2FB;
}
/* ===================== 深色 ===================== */
html.t-night{
  --canvas:#08080D; --surface:#14141B; --surface2:#1C1C25; --surface3:#26262F;
  --ink:#FFFFFF; --ink2:#C6C5D6; --ink3:#8C8BA0;
  --line:#262630; --line2:#32323D;
  --acc:#FFFA0F; --accInk:#FFFA0F; --onAcc:#1A1A1A; --accSoft:rgba(255,250,15,.14);
  --blue:#8CA0FF; --blueSoft:#232338;
  --pink:#FF8FC7; --pinkSoft:#35212C;
  --pur:#B9B5FF; --purSoft:#23233A;
  --ok:#3EDD53; --okSoft:#1A2A1E;
  --warn:#FFB020; --warnSoft:#2E2617;
  --gradA:#332B58; --gradB:#15121F; --gradC:#3B2A8C; --gradD:#141440;
  --navBg:rgba(11,11,17,.78); --navLine:rgba(255,255,255,.07);
  --shadow:0 2px 12px rgba(0,0,0,.5); --shadow-md:0 14px 34px rgba(0,0,0,.5); --shadow-lg:0 30px 80px rgba(0,0,0,.62);
  --heroTxt:#FFFFFF; --heroTxt2:rgba(255,255,255,.78);
  --bezel1:#3A3A46; --bezel2:#1A1A22;
  --tblHead:#1C1C25;
}

/* ===================== 基础 ===================== */
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  font-family:var(--sans); background:var(--canvas); color:var(--ink);
  font-size:16px; line-height:1.65; -webkit-font-smoothing:antialiased;
  overflow-x:hidden; transition:background .3s ease,color .3s ease;
}
::selection{background:var(--acc);color:var(--onAcc)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus{outline:none}
/* No click/tap selection boxes. Keyboard focus uses an underline, not a surrounding frame. */
html[data-input-mode="keyboard"] :is(button,a,input,[tabindex="0"]):focus{outline:none;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:2px}
html[data-input-mode="keyboard"] :is(.hamburger,.close,.iconbtn-circle,.totop):focus{box-shadow:inset 0 -3px 0 var(--blue)}
input{font-family:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
section[id]{scroll-margin-top:88px}

/* ===================== 排版 ===================== */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--blue);opacity:.6}
.section{padding:92px 0}
.section+.section{padding-top:0}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-head .eyebrow{justify-content:center}
.section-head h2{
  margin-top:14px;font-size:clamp(26px,3.6vw,40px);font-weight:800;
  letter-spacing:-.035em;line-height:1.14;
}
.section-head p{margin-top:16px;color:var(--ink2);font-size:16.5px;line-height:1.7}
.sec-kicker{
  display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;
  background:var(--surface2);border:1px solid var(--line2);
  font-size:12px;font-weight:700;color:var(--ink2);margin-bottom:14px;
}

/* ===================== 按钮（含完整状态） ===================== */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 26px;border-radius:15px;font-size:15.5px;font-weight:800;
  letter-spacing:-.012em;white-space:nowrap;overflow:hidden;
  transition:transform .18s var(--ease),box-shadow .22s var(--ease),background .2s,border-color .2s,color .2s,opacity .2s;
}
.btn svg{width:19px;height:19px;flex:none;transition:transform .22s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:hover svg.arrow{transform:translateX(4px)}
.btn:active{transform:translateY(0) scale(.975)}
.btn:focus-visible{outline:none}
.btn[disabled],.btn.disabled{opacity:.45;pointer-events:none;filter:saturate(.35)}
.btn.loading{pointer-events:none;color:transparent!important}
.btn.loading::after{
  content:"";position:absolute;width:19px;height:19px;border-radius:50%;
  border:2.2px solid currentColor;border-top-color:transparent;
  animation:spin .7s linear infinite;color:inherit;
}
@keyframes spin{to{transform:rotate(360deg)}}
.btn-acc{background:var(--acc);color:var(--onAcc);box-shadow:0 6px 20px rgba(255,214,0,.34)}
.btn-acc:hover{box-shadow:0 14px 32px rgba(255,214,0,.42)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 6px 20px color-mix(in srgb,var(--blue) 34%,transparent)}
.btn-blue:hover{box-shadow:0 14px 32px color-mix(in srgb,var(--blue) 42%,transparent)}
.btn-ghost{background:var(--surface2);color:var(--ink);border:1px solid var(--line2)}
.btn-ghost:hover{background:var(--surface3);border-color:var(--blue)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--line2)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue);background:var(--accSoft)}
.btn-sm{height:44px;padding:0 20px;font-size:14.5px;border-radius:13px}
.btn-sm svg{width:17px;height:17px}
.btn-block{width:100%}
/* 深色渐变上的白按钮 */
.btn-onband{background:#fff;color:#12111A}
.btn-onband:hover{background:#fff;box-shadow:0 14px 32px rgba(0,0,0,.28)}
.btn-onghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-onghost:hover{background:rgba(255,255,255,.14);border-color:#fff}

/* 涟漪 */
.ripple .rp{position:absolute;border-radius:50%;background:rgba(255,255,255,.55);transform:scale(0);animation:rp .6s ease-out;pointer-events:none}
.btn-ghost.ripple .rp,.btn-outline.ripple .rp{background:rgba(2,58,255,.18)}
html.t-night .btn-ghost.ripple .rp,html.t-night .btn-outline.ripple .rp{background:rgba(255,255,255,.2)}
@keyframes rp{to{transform:scale(3.2);opacity:0}}

/* ===================== 导航 ===================== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,border-color .3s,box-shadow .3s}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 28px;display:flex;align-items:center;gap:14px}
.nav.scrolled{background:var(--navBg);border-bottom:1px solid var(--navLine);box-shadow:0 8px 30px rgba(15,12,40,.08)}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:-.025em;flex:none}
/* 品牌 mark：与 H5 项目一致 —— 电光黄圆角方块 + 深色 logo 图形（--onAcc #262626） */
.brand .mark{
  width:34px;height:34px;border-radius:11px;background:var(--acc);color:#262626;
  display:grid;place-items:center;flex:none;
  box-shadow:0 4px 12px color-mix(in srgb,var(--acc) 40%,transparent);
}
.brand .mark svg{width:20px;height:21px}
.brand .star{color:var(--ink3);font-size:10.5px;font-weight:800;letter-spacing:.1em;margin-left:1px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-links a{
  padding:9px 13px;border-radius:11px;font-size:14.5px;font-weight:600;color:var(--ink2);
  transition:color .18s,background .18s,transform .18s;
}
.nav-links a:hover{color:var(--ink);background:var(--surface2)}
.nav-links a:active{transform:scale(.96)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:9px}

/* 主题 / 语言 圆形按钮 */
.iconbtn-circle{
  width:42px;height:42px;border-radius:13px;background:var(--surface2);border:1px solid var(--line2);
  display:grid;place-items:center;color:var(--ink);
  transition:background .2s,border-color .2s,transform .2s;
}
.iconbtn-circle:hover{background:var(--surface3);border-color:var(--blue);transform:translateY(-1px)}
.iconbtn-circle:active{transform:scale(.94)}
.iconbtn-circle svg{width:20px;height:20px}
html.t-night .theme-toggle .sun{display:none}
html.t-light .theme-toggle .moon{display:none}

/* 语言切换下拉 */
.langsel{position:relative}
.langbtn{
  display:flex;align-items:center;gap:7px;height:42px;padding:0 13px;border-radius:13px;
  background:var(--surface2);border:1px solid var(--line2);font-size:14px;font-weight:700;color:var(--ink);
  transition:background .2s,border-color .2s,transform .2s;
}
.langbtn:hover{background:var(--surface3);border-color:var(--blue)}
.langbtn:active{transform:scale(.96)}
.langbtn svg.globe{width:18px;height:18px}
.langbtn svg.caret{width:14px;height:14px;transition:transform .25s var(--ease)}
.langsel.open .langbtn svg.caret{transform:rotate(180deg)}
.langmenu{
  position:absolute;top:calc(100% + 8px);right:0;min-width:172px;z-index:60;
  background:var(--surface);border:1px solid var(--line2);border-radius:15px;
  box-shadow:var(--shadow-lg);padding:6px;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s,transform .2s,visibility .2s;
}
.langsel.open .langmenu{opacity:1;visibility:visible;transform:none}
.langmenu button{
  display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:10px;
  font-size:14px;font-weight:700;color:var(--ink2);text-align:left;
  transition:background .16s,color .16s;
}
.langmenu button:hover{background:var(--surface2);color:var(--ink)}
.langmenu button.on{background:var(--blueSoft);color:var(--blue)}
.langmenu .tick{width:16px;height:16px;margin-left:auto;opacity:0}
.langmenu button.on .tick{opacity:1}
.langmenu .flag{font-size:15px;width:20px;text-align:center}

.hamburger{display:none;width:42px;height:42px;border-radius:13px;background:var(--surface2);border:1px solid var(--line2);place-items:center}
.hamburger svg{width:22px;height:22px}

/* 移动抽屉 */
/* 关闭态用 visibility 隐藏：既保留位移动画，又不撑开文档宽度、不可获焦 */
.drawer{position:fixed;inset:0;z-index:200;background:var(--canvas);transform:translateX(100%);visibility:hidden;
  transition:transform .32s var(--ease),visibility .32s var(--ease);
  display:flex;flex-direction:column;padding:22px;overflow-y:auto}
.drawer.open{transform:translateX(0);visibility:visible}
.drawer .dhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer .close{width:42px;height:42px;border-radius:13px;background:var(--surface2);display:grid;place-items:center}
.drawer .close svg{width:22px;height:22px}
.drawer>a{display:flex;align-items:center;min-height:52px;padding:14px 8px;font-size:16px;font-weight:700;border-bottom:1px solid var(--line)}
.drawer .drawer-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:12px}
.drawer .langline{display:flex;gap:8px;flex-wrap:wrap}
.drawer .langline button{padding:9px 14px;border-radius:11px;background:var(--surface2);border:1px solid var(--line2);font-size:14px;font-weight:700;color:var(--ink2)}
.drawer .langline button.on{background:var(--blueSoft);color:var(--blue);border-color:var(--blueSoft)}

/* ===================== Hero ===================== */
.hero{padding:150px 0 40px;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}
/* 光斑用 radial-gradient 预先柔化（不用 filter:blur —— blur 是滚动卡顿主因之一） */
.hero-bg .blob{position:absolute;border-radius:50%}
.hero-bg .b1{width:920px;height:920px;top:-390px;right:-300px;background:radial-gradient(circle,color-mix(in srgb,var(--blue) 20%,transparent) 0%,transparent 62%)}
.hero-bg .b2{width:780px;height:780px;bottom:-320px;left:-320px;background:radial-gradient(circle,color-mix(in srgb,var(--pink) 15%,transparent) 0%,transparent 62%)}
.hero-bg .b3{width:560px;height:560px;top:28%;left:34%;background:radial-gradient(circle,color-mix(in srgb,var(--acc) 13%,transparent) 0%,transparent 60%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line2);font-size:13px;font-weight:700;color:var(--ink2);
  box-shadow:var(--shadow);
}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px var(--okSoft);animation:pulse 2.2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px transparent}}
.hero h1{margin-top:22px;font-size:clamp(36px,5vw,58px);font-weight:800;letter-spacing:-.04em;line-height:1.06}
.hero h1 .grad{background:linear-gradient(118deg,var(--blue),var(--pur));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .yl{color:var(--pink)}
.hero .sub{margin-top:20px;font-size:17.5px;line-height:1.7;color:var(--ink2);max-width:530px}
.hero-cta{display:flex;gap:13px;margin-top:32px;flex-wrap:wrap}
.hero-trust{display:flex;align-items:center;gap:10px;margin-top:24px;font-size:13px;color:var(--ink3);font-weight:600}
.hero-trust svg{width:16px;height:16px;color:var(--ok)}
.hero-meta{display:flex;gap:0;margin-top:34px;border-top:1px solid var(--line2);padding-top:22px;flex-wrap:wrap}
.hero-meta .m{padding-right:30px;margin-right:30px;border-right:1px solid var(--line2)}
.hero-meta .m:last-child{border-right:none;margin-right:0;padding-right:0}
.hero-meta .v{display:block;font-size:25px;font-weight:800;letter-spacing:-.03em;line-height:1.2}
.hero-meta .v .yl{color:var(--pink)}
.hero-meta .k{display:block;font-size:12.5px;color:var(--ink3);font-weight:600;margin-top:4px}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.float-card{
  position:absolute;background:var(--surface);border:1px solid var(--line2);border-radius:15px;
  padding:11px 15px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:13.5px;animation:floaty 5.5s ease-in-out infinite;z-index:3;
}
.float-card .ic{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;color:#fff}
.float-card .ic svg{width:18px;height:18px}
.float-card.c1{top:4%;left:-8%;animation-delay:0s}
.float-card.c2{bottom:12%;right:-6%;animation-delay:1.3s}
.float-card.c3{top:44%;right:-12%;animation-delay:2.2s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}

/* ===================== 真机样机（内嵌真实 H5） ===================== */
.appmock{
  width:312px;height:662px;border-radius:46px;padding:7px;flex:none;position:relative;
  background:linear-gradient(160deg,var(--bezel1),var(--bezel2));
  box-shadow:0 34px 80px rgba(15,12,40,.38),0 0 0 1px rgba(255,255,255,.07) inset;
}
.appmock .screen{width:298px;height:648px;border-radius:39px;overflow:hidden;position:relative;background:var(--canvas)}
.appmock iframe{width:375px;height:812px;border:0;transform:scale(.7947);transform-origin:top left;display:block;background:var(--canvas)}
.appmock .glowring{position:absolute;inset:-40px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--blue) 20%,transparent) 0%,transparent 66%);z-index:-1}

/* ===================== 数据条 ===================== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px}
.stat{
  background:var(--surface);border:1px solid var(--line2);border-radius:var(--r);padding:24px 20px;
  box-shadow:var(--shadow);text-align:center;transition:transform .24s var(--ease),box-shadow .24s;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.stat .ic{width:44px;height:44px;border-radius:14px;background:var(--blueSoft);color:var(--blue);display:grid;place-items:center;margin:0 auto 13px}
.stat .ic svg{width:22px;height:22px}
.stat .v{font-size:clamp(26px,3.2vw,38px);font-weight:800;letter-spacing:-.035em;line-height:1.1;background:linear-gradient(118deg,var(--blue),var(--pur));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .k{font-size:14px;color:var(--ink2);font-weight:600;margin-top:7px}

/* ===================== 功能卡 ===================== */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{
  background:var(--surface);border:1px solid var(--line2);border-radius:var(--r);padding:27px;
  transition:transform .26s var(--ease),box-shadow .26s,border-color .26s;position:relative;overflow:hidden;
}
.feat::after{content:"";position:absolute;inset:0;border-radius:var(--r);pointer-events:none;opacity:0;transition:opacity .26s;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),color-mix(in srgb,var(--blue) 8%,transparent),transparent 60%)}
.feat:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--blue) 38%,var(--line2))}
.feat:hover::after{opacity:1}
.feat .ic{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;color:#fff;margin-bottom:17px}
.feat .ic svg{width:25px;height:25px}
.feat h3{font-size:18.5px;font-weight:800;letter-spacing:-.02em}
.feat p{margin-top:9px;color:var(--ink2);font-size:14.5px;line-height:1.65}
.feat .tag{position:absolute;top:20px;right:20px;font-size:11px;font-weight:800;color:var(--blue);background:var(--blueSoft);padding:4px 10px;border-radius:999px}
.feat.c-blue .ic{background:linear-gradient(135deg,var(--blue),var(--pur))}
.feat.c-pink .ic{background:linear-gradient(135deg,var(--pink),#FF7AC0)}
.feat.c-acc .ic{background:var(--acc);color:var(--onAcc)}
.feat.c-pur .ic{background:linear-gradient(135deg,var(--pur),var(--blue))}
.feat.c-ok .ic{background:linear-gradient(135deg,#16A34A,#0E7A32)}
.feat.c-warn .ic{background:linear-gradient(135deg,#F59E0B,#C2410C)}

/* ===================== USDT 高亮带 ===================== */
.usdt{position:relative;border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(135deg,var(--gradA),var(--gradB));color:var(--heroTxt);padding:54px}
.usdt .glow{position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.15) 0%,transparent 62%);top:-150px;right:-120px}
.usdt-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.usdt h2{font-size:clamp(25px,3.2vw,37px);font-weight:800;letter-spacing:-.035em;line-height:1.12}
.usdt p{margin-top:14px;color:var(--heroTxt2);font-size:16px;line-height:1.7;max-width:470px}
.usdt-cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.usdt-pts{display:flex;flex-direction:column;gap:11px;margin-top:26px}
.usdt-pts .pt{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:var(--heroTxt2)}
.usdt-pts .pt svg{width:18px;height:18px;color:var(--acc);flex:none}
.rate-card{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.22);border-radius:20px;padding:24px}
.rate-row{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.rate-row:last-child{border-bottom:none}
.rate-row .lab{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;opacity:.94}
.rate-row .lab .ci{width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.17);display:grid;place-items:center}
.rate-row .lab .ci svg{width:16px;height:16px}
.rate-row .val{font-size:19px;font-weight:800;letter-spacing:-.02em}
.rate-live{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:800;background:var(--acc);color:var(--onAcc);padding:5px 11px;border-radius:999px;margin-bottom:15px}
.rate-live .blink{width:7px;height:7px;border-radius:50%;background:var(--onAcc);animation:blink 1.4s infinite}
@keyframes blink{50%{opacity:.2}}

/* 对比：卡片化排版（每张卡 = 一个对比维度） */
.cmp-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cmpc{
  background:var(--surface);border:1px solid var(--line2);border-radius:var(--r);
  padding:20px 20px 16px;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s;
}
.cmpc:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--blue) 34%,var(--line2))}
.cmpc-h{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.cmpc-h .ci{width:34px;height:34px;border-radius:11px;background:var(--blueSoft);color:var(--blue);display:grid;place-items:center;flex:none}
.cmpc-h .ci svg{width:18px;height:18px}
.cmpc-h b{font-size:15.5px;font-weight:800;letter-spacing:-.02em}
.cmpc-r{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;border-radius:12px;margin-top:8px;font-size:13.5px}
.cmpc-r .who{color:var(--ink3);font-weight:700;font-size:12.5px;flex:none}
.cmpc-r .val{display:inline-flex;align-items:center;gap:6px;font-weight:700;text-align:right}
.cmpc-r .val svg{width:16px;height:16px;flex:none}
.cmpc-r .val.ok{color:var(--ok)}
.cmpc-r .val.mid{color:var(--warn)}
.cmpc-r .val.bad{color:var(--ink3);font-weight:600}
.cmpc-r.hl{background:var(--accSoft);margin-left:-4px;margin-right:-4px}
.cmpc-r.hl .who{color:var(--ink);font-weight:800}
.cmpc-r.hl .val{font-size:14.5px;font-weight:800}
.cmp-note{
  grid-column:1/-1;display:flex;align-items:center;justify-content:center;gap:9px;margin-top:8px;
  padding:14px 18px;border-radius:14px;background:var(--surface2);border:1px dashed var(--line2);
  font-size:13.5px;font-weight:700;color:var(--ink2);text-align:center;
}
.cmp-note svg{width:17px;height:17px;color:var(--blue);flex:none}
@media (max-width:1040px){ .cmp-cards{grid-template-columns:repeat(2,1fr)} }
@media (max-width:640px){ .cmp-cards{grid-template-columns:1fr} }

/* ===================== 赚钱方式 ===================== */
.earn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.earn{background:var(--surface);border:1px solid var(--line2);border-radius:var(--r);padding:26px;position:relative;overflow:hidden}
.earn .step-no{position:absolute;right:18px;top:14px;font-size:44px;font-weight:800;color:var(--ink);opacity:.05;letter-spacing:-.04em}
.earn .ic{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;color:#fff;margin-bottom:16px}
.earn .ic svg{width:24px;height:24px}
.earn h3{font-size:18px;font-weight:800;letter-spacing:-.02em}
.earn .rate{display:inline-flex;align-items:center;gap:6px;margin-top:10px;padding:5px 11px;border-radius:999px;background:var(--pinkSoft);color:var(--pink);font-size:12.5px;font-weight:800}
.earn p{margin-top:12px;color:var(--ink2);font-size:14.5px;line-height:1.65}
.earn ul{margin-top:12px;display:flex;flex-direction:column;gap:7px}
.earn li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--ink2)}
.earn li svg{width:16px;height:16px;color:var(--ok);flex:none;margin-top:3px}

/* ===================== 步骤 ===================== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{text-align:center;position:relative}
.step .num{
  width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,var(--blue),var(--pur));
  color:#fff;display:grid;place-items:center;font-size:21px;font-weight:800;margin:0 auto 16px;
  box-shadow:0 10px 26px color-mix(in srgb,var(--blue) 34%,transparent);
  transition:transform .24s var(--ease);
}
.step:hover .num{transform:translateY(-4px) rotate(-4deg)}
.step h3{font-size:17px;font-weight:800;letter-spacing:-.02em}
.step p{margin-top:8px;color:var(--ink2);font-size:14px;line-height:1.6}
.step:not(:last-child)::after{
  content:"";position:absolute;top:28px;left:60%;width:80%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line2) 0 7px,transparent 7px 15px);
}

/* ===================== 返佣 ===================== */
.refer{background:var(--surface);border:1px solid var(--line2);border-radius:var(--r-lg);padding:46px;box-shadow:var(--shadow)}
.refer-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.tiers{display:flex;flex-direction:column;gap:13px}
.tier{display:flex;align-items:center;gap:16px;background:var(--surface2);border:1px solid var(--line2);border-radius:17px;padding:17px 19px;transition:transform .22s var(--ease),border-color .22s}
.tier:hover{transform:translateX(5px);border-color:var(--blue)}
.tier .badge{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;font-size:19px;font-weight:800;color:#fff;flex:none}
.tier .badge.l1{background:linear-gradient(135deg,var(--blue),#4B7BFF)}
.tier .badge.l2{background:linear-gradient(135deg,var(--pur),#8A5AFF)}
.tier .badge.l3{background:linear-gradient(135deg,var(--pink),#FF7AC0)}
.tier .tt{font-size:16px;font-weight:800}
.tier .td{font-size:13px;color:var(--ink2);margin-top:1px}
.tier .tp{margin-left:auto;font-size:21px;font-weight:800;letter-spacing:-.025em}
.tier .tp .u{font-size:13px;color:var(--ink3);font-weight:700}
.calc{background:var(--canvas);border:1px solid var(--line2);border-radius:20px;padding:26px}
.calc h4{font-size:17px;font-weight:800;letter-spacing:-.02em}
.calc .desc{font-size:13.5px;color:var(--ink2);margin-top:5px;margin-bottom:17px;line-height:1.6}
.calc label{display:block;font-size:13px;font-weight:700;color:var(--ink2);margin-bottom:7px}
.calc input{
  width:100%;height:50px;border-radius:13px;border:1.5px solid var(--line2);background:var(--surface);
  color:var(--ink);padding:0 16px;font-size:16px;font-weight:800;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.calc input:focus{border-color:var(--blue);box-shadow:0 0 0 4px var(--accSoft)}
.calc .presets{display:flex;gap:8px;margin-top:11px;flex-wrap:wrap}
.calc .presets button{
  height:36px;padding:0 15px;border-radius:11px;background:var(--surface);border:1px solid var(--line2);
  font-size:13.5px;font-weight:700;color:var(--ink2);
  transition:background .18s,color .18s,border-color .18s,transform .18s;
}
.calc .presets button:hover{border-color:var(--blue);color:var(--blue)}
.calc .presets button:active{transform:scale(.95)}
.calc .presets button.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.calc .out{margin-top:18px;padding-top:17px;border-top:1px dashed var(--line2)}
.calc .out .line{display:flex;justify-content:space-between;font-size:14px;margin-bottom:9px}
.calc .out .line span:first-child{color:var(--ink2)}
.calc .out .line span:last-child{font-weight:800}
.calc .out .total{display:flex;justify-content:space-between;align-items:baseline;margin-top:8px;padding-top:13px;border-top:1px solid var(--line2)}
.calc .out .total .big{font-size:30px;font-weight:800;letter-spacing:-.035em;color:var(--pink)}
.calc .out .total .lab{font-size:13px;color:var(--ink3);font-weight:700}

/* ===================== 安全 ===================== */
.sec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sec-item{background:var(--surface);border:1px solid var(--line2);border-radius:18px;padding:22px;transition:transform .22s var(--ease),box-shadow .22s}
.sec-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.sec-item .ic{width:44px;height:44px;border-radius:13px;background:var(--blueSoft);color:var(--blue);display:grid;place-items:center;margin-bottom:14px}
.sec-item .ic svg{width:21px;height:21px}
.sec-item h4{font-size:15.5px;font-weight:800}
.sec-item p{margin-top:7px;font-size:13.5px;color:var(--ink2);line-height:1.6}
.badges{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:34px}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line2);font-size:13.5px;font-weight:700;color:var(--ink2);
  box-shadow:var(--shadow);
}
.badge-pill svg{width:17px;height:17px;color:var(--ok)}

/* ===================== 合作伙伴 ===================== */
.marquee{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:16px;width:max-content;animation:scroll 30s linear infinite;will-change:transform}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
/* 真实品牌 logo：白底承托（品牌色在任何主题下都可读），高度统一 */
.plogo{
  height:66px;min-width:150px;background:#fff;border:1px solid var(--line2);border-radius:16px;
  display:flex;align-items:center;justify-content:center;padding:0 16px;flex:none;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.plogo:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:var(--shadow-md)}
.plogo .wlogo{width:124px;height:30px;display:block;flex:none}

/* ===================== 场景 ===================== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene{background:var(--surface);border:1px solid var(--line2);border-radius:var(--r);padding:26px;transition:transform .24s var(--ease),box-shadow .24s}
.scene:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.scene .ic{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;color:#fff;margin-bottom:16px}
.scene .ic svg{width:24px;height:24px}
.scene h3{font-size:18px;font-weight:800;letter-spacing:-.02em}
.scene p{margin-top:9px;color:var(--ink2);font-size:14.5px}
.scene ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.scene li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--ink2)}
.scene li svg{width:16px;height:16px;color:var(--blue);flex:none;margin-top:4px}

/* ===================== 教程视频卡 ===================== */
.vid-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vcard{background:var(--surface);border:1px solid var(--line2);border-radius:var(--r);overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s;cursor:pointer}
.vcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.vthumb{position:relative;height:150px;background:linear-gradient(135deg,var(--gradC),var(--gradD));display:grid;place-items:center}
.vthumb .vplay{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;color:#12111A;transition:transform .22s var(--ease)}
.vcard:hover .vthumb .vplay{transform:scale(1.1)}
.vthumb .vplay svg{width:22px;height:22px}
.vthumb .vdur{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.6);color:#fff;font-size:11.5px;font-weight:700;padding:3px 8px;border-radius:6px}
.vthumb .vtag{position:absolute;left:10px;top:10px;background:var(--acc);color:var(--onAcc);font-size:11px;font-weight:800;padding:3px 9px;border-radius:6px}
.vbody{padding:16px 18px 18px}
.vbody h4{font-size:15.5px;font-weight:800;letter-spacing:-.015em}
.vbody p{margin-top:6px;font-size:13.5px;color:var(--ink2);line-height:1.55}
.vmeta{margin-top:10px;font-size:12px;color:var(--ink3);font-weight:600}

/* ===================== 视频放大播放（lightbox） ===================== */
.vmodal{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s}
.vmodal.open{opacity:1;visibility:visible}
.vmodal-bg{position:absolute;inset:0;background:rgba(8,7,14,.78);backdrop-filter:none}
.vmodal-box{
  position:relative;width:min(1000px,100%);border-radius:20px;overflow:hidden;
  background:var(--surface);border:1px solid var(--line2);box-shadow:0 40px 100px rgba(0,0,0,.5);
  transform:translateY(18px) scale(.97);transition:transform .3s var(--ease);
}
.vmodal.open .vmodal-box{transform:none}
.vmodal-x{
  position:absolute;top:14px;right:14px;z-index:3;width:40px;height:40px;border-radius:12px;
  background:rgba(10,9,16,.58);border:1px solid rgba(255,255,255,.16);color:#fff;
  display:grid;place-items:center;transition:background .2s,transform .2s;
}
.vmodal-x:hover{background:rgba(10,9,16,.82);transform:scale(1.06)}
.vmodal-x:active{transform:scale(.94)}
.vmodal-x svg{width:19px;height:19px}
.vmodal-stage{aspect-ratio:16/9;background:#0B0A12;display:grid;place-items:center;position:relative}
.vmodal-stage video{width:100%;height:100%;object-fit:contain;display:block;background:#000}
.vmodal-stage .vph{text-align:center;color:#fff;padding:30px}
.vmodal-stage .vph .pi{width:74px;height:74px;border-radius:50%;background:rgba(255,255,255,.12);display:grid;place-items:center;margin:0 auto 16px}
.vmodal-stage .vph .pi svg{width:32px;height:32px;opacity:.85}
.vmodal-stage .vph b{display:block;font-size:17px;font-weight:800;margin-bottom:7px}
.vmodal-stage .vph span{font-size:13.5px;opacity:.72;line-height:1.6}
.vmodal-info{padding:20px 24px 22px;border-top:1px solid var(--line2)}
.vmodal-info h4{font-size:17px;font-weight:800;letter-spacing:-.02em}
.vmodal-info p{margin-top:6px;font-size:14px;color:var(--ink2);line-height:1.6}
@media (max-width:760px){
  .vmodal{padding:14px}
  .vmodal-x{top:9px;right:9px;width:36px;height:36px}
  .vmodal-info{padding:16px 17px 18px}
}

/* ===================== 评价 ===================== */
.tst-wrap{position:relative;max-width:780px;margin:0 auto}
.tst-track{display:flex;transition:transform .55s var(--ease)}
.tst-slide{min-width:100%;padding:6px}
.tst{background:var(--surface);border:1px solid var(--line2);border-radius:var(--r);padding:32px;box-shadow:var(--shadow)}
.tst .stars{display:flex;gap:3px;margin-bottom:14px}
.tst .stars svg{width:17px;height:17px;color:var(--acc)}
.tst .quote{font-size:18.5px;font-weight:600;line-height:1.6;letter-spacing:-.012em}
.tst .who{display:flex;align-items:center;gap:13px;margin-top:22px}
.tst .av{width:48px;height:48px;border-radius:50%;overflow:hidden;flex:none;border:2px solid var(--surface2);background:var(--surface2)}
.tst .av svg{width:100%;height:100%;display:block}
.tst .nm{font-weight:800;font-size:15px}
.tst .rl{font-size:13px;color:var(--ink3);font-weight:600}
.tst-dots{display:flex;justify-content:center;gap:9px;margin-top:26px}
.tst-dots i{width:9px;height:9px;border-radius:50%;background:var(--line2);cursor:pointer;transition:width .25s,background .25s}
.tst-dots i.on{width:28px;border-radius:999px;background:var(--blue)}
.tst-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;background:var(--surface);border:1px solid var(--line2);display:grid;place-items:center;box-shadow:var(--shadow);z-index:2;transition:background .2s,transform .2s}
.tst-nav:hover{background:var(--surface2);transform:translateY(-50%) scale(1.06)}
.tst-nav:active{transform:translateY(-50%) scale(.95)}
.tst-nav svg{width:20px;height:20px}
.tst-nav.prev{left:-20px}
.tst-nav.next{right:-20px}

/* ===================== FAQ ===================== */
.faq{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:11px}
.faq-item{background:var(--surface);border:1px solid var(--line2);border-radius:17px;overflow:hidden;transition:border-color .22s,box-shadow .22s}
.faq-item.open{border-color:var(--blue);box-shadow:var(--shadow)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:19px 22px;font-size:16px;font-weight:700;cursor:pointer;user-select:none;transition:background .18s}
.faq-q:hover{background:var(--surface2)}
.faq-q .pm{width:30px;height:30px;border-radius:9px;background:var(--surface2);display:grid;place-items:center;flex:none;transition:transform .32s var(--ease),background .22s,color .22s}
.faq-q .pm svg{width:17px;height:17px}
.faq-item.open .faq-q .pm{background:var(--blue);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.faq-a .inner{padding:0 22px 20px;color:var(--ink2);font-size:15px;line-height:1.72}

/* ===================== CTA ===================== */
.cta-band{background:linear-gradient(135deg,var(--gradA),var(--gradB));color:var(--heroTxt);border-radius:var(--r-lg);padding:58px 40px;text-align:center;position:relative;overflow:hidden}
.cta-band .glow{position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.14) 0%,transparent 62%);top:-200px;left:50%;transform:translateX(-50%)}
.cta-band h2{font-size:clamp(25px,3.4vw,38px);font-weight:800;letter-spacing:-.035em;position:relative;z-index:1}
.cta-band p{margin-top:14px;color:var(--heroTxt2);font-size:16.5px;position:relative;z-index:1}
.cta-band .row{display:flex;gap:13px;justify-content:center;margin-top:30px;flex-wrap:wrap;position:relative;z-index:1}

/* ===================== 页脚 ===================== */
.footer{border-top:1px solid var(--line);padding:66px 0 34px;margin-top:56px;background:var(--surface)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-brand p{color:var(--ink2);font-size:14px;line-height:1.7;max-width:320px;margin-top:14px}
.foot-col h4{font-size:13.5px;font-weight:800;margin-bottom:15px;letter-spacing:.02em}
.foot-col a{display:block;color:var(--ink2);font-size:14px;padding:6px 0;transition:color .18s,transform .18s}
.foot-col a:hover{color:var(--blue);transform:translateX(3px)}
.foot-social{display:flex;gap:9px;margin-top:18px}
.foot-social a{
  width:42px;height:42px;border-radius:13px;background:var(--surface2);border:1px solid var(--line2);
  display:grid;place-items:center;color:var(--ink);transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.foot-social a svg{width:20px;height:20px}
.foot-social a:hover{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-2px)}
.foot-bottom{margin-top:46px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start;gap:18px;flex-wrap:wrap;color:var(--ink3);font-size:13px}
.foot-bottom .disc{max-width:660px;line-height:1.65}
.foot-lang{display:flex;align-items:center;gap:8px;padding:9px 14px;border-radius:12px;background:var(--surface2);border:1px solid var(--line2);font-size:13px;font-weight:700;cursor:pointer;transition:border-color .2s}
.foot-lang:hover{border-color:var(--blue)}
.foot-lang svg{width:17px;height:17px}

/* ===================== 下载页 ===================== */
.dl-hero{padding:148px 0 30px;position:relative;overflow:hidden}
.dl-grid{display:grid;grid-template-columns:1fr .92fr;gap:52px;align-items:center}
.dl-info h1{font-size:clamp(34px,4.8vw,54px);font-weight:800;letter-spacing:-.04em;line-height:1.06}
.dl-info .sub{margin-top:19px;font-size:17.5px;color:var(--ink2);line-height:1.7;max-width:500px}
/* ===== Android 下拉选择（APK 直装 / Google Play） ===== */
.dl-drop-wrap{position:relative;min-width:220px}
.dl-drop-wrap .store-btn{width:100%}
.store-btn .caret{margin-left:auto;width:17px;height:17px;display:grid;place-items:center;opacity:.65;transition:transform .24s var(--ease)}
.store-btn .caret svg{width:17px;height:17px}
.dl-drop-wrap.open .caret{transform:rotate(180deg)}
.dl-drop{
  position:absolute;top:calc(100% + 10px);left:0;right:0;z-index:20;
  background:var(--surface);border:1px solid var(--line2);border-radius:16px;padding:7px;
  box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s var(--ease),transform .24s var(--ease),visibility .24s;
}
.dl-drop-wrap.open .dl-drop{opacity:1;visibility:visible;transform:none}
.drop-item{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:12px;transition:background .18s,transform .18s}
.drop-item:hover{background:var(--surface2)}
.drop-item:active{transform:scale(.98)}
.drop-item .di{width:38px;height:38px;border-radius:12px;background:var(--surface2);display:grid;place-items:center;flex:none}
.drop-item .di svg{width:22px;height:22px}
.drop-item .dt{display:flex;flex-direction:column;min-width:0}
.drop-item .dt b{font-size:14.5px;font-weight:800;letter-spacing:-.01em}
.drop-item .dt small{font-size:12px;color:var(--ink3);font-weight:600;margin-top:2px;white-space:nowrap}
.drop-item .da{width:17px;height:17px;margin-left:auto;color:var(--ink3);flex:none}
.dl-drop{min-width:250px}

.dl-stores{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.store-btn{
  display:flex;align-items:center;gap:13px;height:64px;padding:0 24px;border-radius:16px;
  background:var(--ink);color:var(--canvas);
  transition:transform .18s var(--ease),box-shadow .22s,background .2s;
}
.store-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.store-btn:active{transform:translateY(0) scale(.98)}
.store-btn .si{width:30px;height:30px;display:grid;place-items:center;flex:none}
.store-btn .si svg{width:26px;height:26px}
.store-btn .st{display:flex;flex-direction:column;text-align:left;line-height:1.15}
.store-btn .st small{font-size:10.5px;opacity:.72;font-weight:600}
.store-btn .st b{font-size:17px;font-weight:800;letter-spacing:-.015em}
.store-btn.alt{background:var(--surface);color:var(--ink);border:1.5px solid var(--line2)}
.store-btn.alt:hover{border-color:var(--blue);color:var(--blue)}
.dl-reqs{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap}
.dl-reqs span{display:flex;align-items:center;gap:8px;color:var(--ink2);font-size:14px;font-weight:600}
.dl-reqs svg{width:18px;height:18px;color:var(--ok)}
.dl-note{display:flex;align-items:center;gap:9px;margin-top:22px;font-size:13px;color:var(--ink3);line-height:1.6}
.dl-note svg{width:16px;height:16px;flex:none;color:var(--blue)}
.dl-qr-card{background:var(--surface);border:1px solid var(--line2);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-lg);text-align:center}
.dl-qr-card .qr{width:216px;height:216px;margin:0 auto;background:#fff;border-radius:18px;padding:13px;box-shadow:0 6px 22px rgba(0,0,0,.09)}
.dl-qr-card .qr svg{width:100%;height:100%}
.dl-qr-card .hint{margin-top:16px;font-size:14px;color:var(--ink2);font-weight:600}
.dl-qr-card .inv{
  margin-top:14px;display:inline-flex;align-items:center;gap:8px;background:var(--surface2);
  border:1px solid var(--line2);border-radius:12px;padding:9px 15px;font-size:13.5px;font-weight:700;
  cursor:pointer;transition:border-color .2s,color .2s,background .2s,transform .18s;
}
.dl-qr-card .inv svg{width:16px;height:16px}
.dl-qr-card .inv:hover{border-color:var(--blue);color:var(--blue)}
.dl-qr-card .inv:active{transform:scale(.97)}
.dl-qr-card .inv.copied{background:var(--okSoft);color:var(--ok);border-color:var(--ok)}

.dl-feats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.dl-feat{background:var(--surface);border:1px solid var(--line2);border-radius:18px;padding:22px;text-align:center;transition:transform .22s var(--ease),box-shadow .22s}
.dl-feat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.dl-feat .ic{width:46px;height:46px;border-radius:14px;background:var(--blueSoft);color:var(--blue);display:grid;place-items:center;margin:0 auto 12px}
.dl-feat .ic svg{width:22px;height:22px}
.dl-feat h4{font-size:15px;font-weight:800}
.dl-feat p{font-size:13px;color:var(--ink2);margin-top:5px;line-height:1.55}

/* 截图/预览 tabs */
.shot-tabs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:34px}
.shot-tab{
  height:42px;padding:0 18px;border-radius:13px;background:var(--surface);border:1px solid var(--line2);
  font-size:14px;font-weight:700;color:var(--ink2);
  transition:background .18s,color .18s,border-color .18s,transform .18s;
}
.shot-tab:hover{border-color:var(--blue);color:var(--blue)}
.shot-tab:active{transform:scale(.96)}
.shot-tab.on{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 6px 18px color-mix(in srgb,var(--blue) 32%,transparent)}
.shot-stage{display:flex;justify-content:center}
.shot-cap{text-align:center;margin-top:18px;font-size:14px;font-weight:700;color:var(--ink2)}
.shot-cap span{display:block;font-size:13px;color:var(--ink3);font-weight:600;margin-top:3px}

/* ===================== 回到顶部 ===================== */
.totop{
  position:fixed;bottom:26px;right:26px;width:50px;height:50px;border-radius:16px;
  background:var(--blue);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-lg);
  opacity:0;transform:translateY(20px) scale(.9);transition:opacity .3s,transform .3s;z-index:90;
}
.totop.show{opacity:1;transform:none}
.totop:hover{transform:translateY(-3px)}
.totop:active{transform:scale(.94)}
.totop svg{width:21px;height:21px}

/* ===================== 滚动揭示 ===================== */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ===================== 响应式 ===================== */
@media (max-width:1040px){
  .hero-grid,.usdt-grid,.refer-grid,.dl-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:-1}
  .feat-grid,.earn-grid,.scene-grid,.vid-grid{grid-template-columns:repeat(2,1fr)}
  .sec-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:30px}
  .step:not(:last-child)::after{display:none}
  .dl-feats{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}@media (max-width:860px){
  .nav-links{display:none}
  .hamburger{display:grid}
  .nav-right .btn{display:none}
  .nav-right .langbtn{display:none}
}
@media (max-width:760px){
  .section{padding:64px 0}
  .hero{padding:112px 0 26px}
  .dl-hero{padding:112px 0 26px}
  /* H5 首屏：标题/CTA 优先，真机 mockup 放文字之后 */
  .hero-visual{order:0}
  .hero-grid{gap:36px}
  .hero h1{font-size:clamp(33px,9vw,40px)}
  .hero .sub{font-size:15.5px}
  .appmock{margin:0 auto}
  .section-head h2{font-size:clamp(24px,6.6vw,30px)}
  .wrap{padding:0 18px}
  .nav-inner{padding:12px 18px}
  .feat-grid,.earn-grid,.scene-grid,.vid-grid{grid-template-columns:1fr}
  .sec-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:11px}
  .steps{grid-template-columns:1fr}
  .usdt,.refer{padding:32px 22px}
  .usdt-grid{gap:28px}
  .cta-band{padding:44px 22px}
  .tst-nav.prev{left:-6px}.tst-nav.next{right:-6px}
  .tst{padding:24px}
  .tst .quote{font-size:16.5px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .hero-meta{gap:0}
  .hero-meta .m{padding-right:16px;margin-right:16px}
  .hero-meta .v{font-size:21px}
  .float-card{display:none}
  .appmock{width:272px;height:576px}
  .appmock .screen{width:258px;height:562px}
  .appmock iframe{transform:scale(.688)}
  .dl-stores{flex-direction:column;align-items:stretch}
  .store-btn{width:100%;height:58px}
  .dl-reqs{gap:14px}
  .cmp th,.cmp td{padding:13px 14px}
  .totop{width:44px;height:44px;right:14px;bottom:14px}
}
@media (max-width:420px){
  .stats{grid-template-columns:1fr 1fr}
  .sec-grid{grid-template-columns:1fr}
  .hero-cta .btn{flex:1;min-width:0}
  .brand .star{display:none}
}

/* RQ104: responsive standalone site and accessible stateful controls. */
html,body{overflow-x:visible}
[hidden]{display:none!important}
[aria-disabled="true"]{cursor:not-allowed;opacity:.58;text-decoration:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:8px;left:12px;z-index:1000;transform:translateY(-180%);padding:12px 18px;background:var(--acc);color:var(--onAcc);border-radius:12px}
.skip-link:focus{transform:none}
.wrap,.hero-text,.hero-visual,.dl-info,.usdt-grid>div,.refer-grid>div,.foot-grid>div{min-width:0}
p,h1,h2,h3,h4,.btn,.store-btn,.tier,.langbtn,.shot-tab,.rate-row,.foot-col{overflow-wrap:anywhere}
.hero h1,.dl-info h1{line-height:1.22}
.hero-cta,.usdt-cta{flex-wrap:wrap}
.btn{height:auto;min-height:52px;white-space:normal;padding-top:12px;padding-bottom:12px;text-align:center;line-height:1.4}
.btn-sm{min-height:44px;padding-top:8px;padding-bottom:8px}
.hero-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.hero-meta .m{margin:0;padding:0 12px 0 0;min-width:0}
.hero-meta .v{line-height:1.3;font-size:clamp(17px,2vw,24px)}
.hero-meta .k{line-height:1.45}
.preview-notice{font-size:12px;font-weight:750;color:var(--ink2);margin-top:20px;padding:10px 14px;border:1px solid var(--line2);border-radius:12px;background:var(--surface)}
.hero .preview-notice{color:var(--heroTxt);background:rgba(0,0,0,.16);border-color:rgba(255,255,255,.25)}
.appmock{flex-shrink:0}
.appmock iframe{pointer-events:none}
.nav-links{min-width:0}
.nav-links a{padding:8px;font-size:13px;line-height:1.4}
.drawer{overflow-y:auto;overscroll-behavior:contain;max-height:100dvh;padding-bottom:max(24px,env(safe-area-inset-bottom))}
.drawer a{white-space:normal;line-height:1.5}
.drawer .langline{display:flex;gap:8px;flex-wrap:wrap}
.drawer .langline button{min-height:44px}
.faq-q{width:100%;text-align:left;white-space:normal}
.faq-a{max-height:none!important}
.faq-a[hidden]{display:none!important}
.rate-row{gap:18px;align-items:flex-start}
.rate-row .lab,.rate-row .val{max-width:54%;min-width:0;white-space:normal;line-height:1.5}
.rate-row .val{font-size:clamp(15px,2vw,23px);text-align:right}
.tier{gap:10px}.tier>div:nth-child(2){min-width:0}.tier .tp{flex-shrink:0}
.totop{pointer-events:none}.totop.show{pointer-events:auto}
.foot-bottom{gap:24px}.foot-bottom>*{min-width:0}
.availability-note{font-size:13px;line-height:1.7;color:var(--ink3);margin-top:16px;overflow-wrap:anywhere}
.release-panel{text-align:left;margin-top:24px;border-top:1px solid var(--line2);padding-top:24px}
.release-panel h2{font-size:19px;line-height:1.45}
#downloadStatus{margin-top:12px;font-size:15px;font-weight:700;color:var(--warn)}
#downloadStatus[data-status="READY"]{color:var(--ok)}
#releaseMetadata{margin-top:16px;display:grid;grid-template-columns:minmax(70px,1fr) minmax(0,2fr);gap:8px;font-size:12px}
#releaseMetadata dd{overflow-wrap:anywhere;font-family:var(--mono)}
.release-actions{display:grid;gap:10px;margin:20px 0}
.release-actions .btn{width:100%}
#businessH5{display:inline-block;min-height:44px;padding:10px 0;color:var(--blue);font-weight:750}
.qr.qr-unavailable{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:14px;background:var(--surface2);color:var(--ink3);box-shadow:none;border:1px dashed var(--line2);font-size:13px;padding:24px;width:min(216px,100%);height:auto;min-height:180px}
.qr.qr-unavailable svg{width:40px;height:40px}
.store-btn{height:auto;min-height:64px;padding:14px 20px}
.store-btn .st{min-width:0;line-height:1.35}
.drop-item .dt small{white-space:normal}
.dl-qr-card{min-width:0}
.vmodal{padding:16px}.vmodal-box{width:min(860px,100%);max-height:calc(100dvh - 32px);overflow:auto;overscroll-behavior:contain}
.vmodal-stage .vph{padding:30px;min-height:180px;height:auto;display:grid;place-items:center;text-align:center;font-size:20px;color:#fff}
.vmodal-info h4,.vmodal-info p{overflow-wrap:anywhere}
@media(max-width:1080px){.nav-links{display:none}.hamburger{display:grid}.nav-right .btn,.nav-right .langbtn,.brand .star{display:none}}
@media(min-width:761px) and (max-width:1040px){.hero-visual{order:0}.hero h1,.dl-info h1{max-width:780px}.hero-grid{gap:42px}}
@media(max-width:760px){.hero-cta{display:grid;grid-template-columns:1fr;gap:12px}.hero-cta .btn{width:100%}.hero-meta{gap:10px}.hero-meta .m{padding-right:8px}.hero-meta .v{font-size:17px}.hero-meta .k{font-size:11px}.dl-qr-card{padding:24px 18px}.usdt,.refer{padding:28px 18px}.dl-info h1{font-size:clamp(30px,9vw,44px)}.dl-drop{min-width:0;width:100%}.shot-tab{height:auto;min-height:44px;padding:10px 15px}.hero-grid,.dl-grid{gap:32px}.hero-visual{min-width:0}.nav-inner{gap:8px}.nav-right{gap:6px}.brand{font-size:18px;gap:7px}.section-head p{font-size:15px}}
@media(max-width:350px){.appmock{width:260px;height:552px;padding:6px}.appmock .screen{width:246px;height:538px}.appmock iframe{transform:scale(.656)}.wrap{padding-inline:16px}.hero h1{font-size:32px}.brand .mark{width:30px;height:30px}.hero-meta .v{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.blob,.float-card{animation:none!important}.reveal{transition:none!important;transform:none!important}}
/* The single-column tablet layout cannot fit the desktop's offset decoration cards. */
@media(max-width:1080px){.float-card{display:none}}
.drawer .dhead .brand{display:flex;padding:0;align-items:center;gap:9px;line-height:1.3}
/* Native modal focus/inert behavior, while retaining the supplied drawer/lightbox design. */
dialog.drawer{margin:0 0 0 auto;border:0;border-left:1px solid var(--line2);width:min(380px,100%);max-width:100vw;height:100%;height:100dvh;max-height:100dvh;color:var(--ink)}
dialog:not([open]){display:none!important}
dialog::backdrop{background:rgba(0,0,0,.42)}
dialog.vmodal{margin:0;border:0;max-width:none;max-height:none;width:100vw;height:100dvh;background:transparent;color:var(--ink)}

/* Keep the sample-data notice readable on the light hero. */
html.t-light .hero .preview-notice{color:var(--ink2);background:var(--surface);border-color:var(--line2)}

/* Mobile polish: one spacing/target/icon system shared by both public pages. */
:root{--control-size:44px;--control-radius:14px;--mobile-gutter:20px}
:is(a,button,[role="button"]){-webkit-tap-highlight-color:transparent;touch-action:manipulation}
:is(a,button) svg{pointer-events:none;flex-shrink:0}
.brand,.drawer .dhead .brand{gap:12px;line-height:1.2;padding:0;border:0;min-height:44px}
.brand-name{display:block;font-size:20px;letter-spacing:-.02em;white-space:nowrap;font-weight:800}
.brand .mark{width:36px;height:36px;border-radius:12px}
.brand .mark svg{margin:auto}
.iconbtn-circle,.hamburger,.drawer .close,.totop{width:var(--control-size);height:var(--control-size);min-width:var(--control-size);border-radius:var(--control-radius);align-items:center;justify-content:center;flex-shrink:0;padding:0}
.iconbtn-circle svg,.hamburger svg,.drawer .close svg,.totop svg{grid-area:1/1;justify-self:center;align-self:center;margin:0}
.nav{background:var(--navBg);border-bottom:1px solid var(--navLine);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.nav-right{gap:8px}
.iconbtn-circle:hover,.langbtn:hover{border-color:var(--line2)}
.drawer{padding:20px;padding-top:max(20px,env(safe-area-inset-top));padding-bottom:max(20px,env(safe-area-inset-bottom));transition:none}
.drawer .dhead{margin-bottom:20px;flex-shrink:0;gap:20px}
.drawer>a:hover{background:var(--surface2);border-radius:12px}
.drawer .drawer-foot{padding-top:24px;gap:16px}
.drawer-foot .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 20px;font-size:15px;border-bottom:0}
.drawer .langline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.drawer .langline button{display:flex;align-items:center;justify-content:center;min-height:44px;padding:10px 4px;font-size:13px;line-height:1.3;border-radius:12px}
.dialog-fallback{z-index:1001;box-shadow:0 0 0 100vmax rgba(0,0,0,.42)}
.btn,.store-btn{border-radius:var(--control-radius);gap:10px}
.btn svg{align-self:center}.btn:hover svg.arrow{transform:none}
.feat .ic,.dl-feat .ic,.sec-item .ic{align-items:center;justify-content:center;flex-shrink:0}
.feat .ic svg,.dl-feat .ic svg,.sec-item .ic svg{margin:auto;align-self:center;justify-self:center}
.faq-item.open{border-color:var(--line2);box-shadow:none}
.faq-q{line-height:1.5}.faq-q .pm{border-radius:10px}
@media(max-width:1080px){.nav-right>.langsel{display:none}}
@media(max-width:760px){
  .wrap{padding-inline:var(--mobile-gutter)}
  .nav-inner{padding:12px var(--mobile-gutter);gap:12px;min-height:72px}
  .hero{padding-top:112px}.section{padding-block:64px}.section-head{margin-bottom:32px}
  .section-head h2{font-size:30px;line-height:1.25}.section-head p{font-size:15px;line-height:1.7}
  .hero h1{font-size:clamp(32px,9vw,42px);line-height:1.22}
  .hero-cta,.usdt-cta{gap:12px}.usdt-cta .btn{width:100%}
  .feat-grid,.vid-grid,.dl-feats{gap:16px}
  .feat{padding:24px;text-align:center}.feat .ic{margin:0 auto 16px}.feat .tag{top:12px;right:12px}
  .feat h3{font-size:18px}.feat p{font-size:14px;line-height:1.7}
  .step p{max-width:30ch;margin-inline:auto}
  .dl-feat{padding:20px 16px;border-radius:20px}.dl-feat h4{line-height:1.4}
  .faq-q{padding:18px 16px;font-size:15px}.faq-a .inner{padding:0 16px 18px}
  .tier{padding:16px;gap:12px}.tier .badge{width:44px;height:44px;border-radius:14px}
  .foot-grid{gap:32px}.foot-social{justify-content:flex-start}
  .release-panel{padding-top:20px}.release-actions{gap:12px}
  #releaseMetadata{grid-template-columns:minmax(72px,.8fr) minmax(0,2fr);gap:10px;font-size:11px}
}
@media(max-width:350px){:root{--mobile-gutter:16px}.brand-name{font-size:19px}.brand .mark{width:34px;height:34px}.drawer{padding-inline:16px}}
@media(hover:none){.btn:hover,.feat:hover,.dl-feat:hover,.vcard:hover,.tier:hover,.iconbtn-circle:hover{transform:none}}

/* Original website download QR card; approved metadata remains the download gate. */
#qrBox[aria-busy="true"]{opacity:.5}
#qrBox:empty{background:var(--surface2)}
.store-btn.direct-apk{background:var(--acc);color:var(--onAcc);min-width:250px;justify-content:flex-start;box-shadow:0 6px 20px rgba(255,214,0,.2)}.direct-apk .download-arrow{width:20px;height:20px;margin-left:auto;flex:none}.direct-apk .st{min-width:0}.direct-apk .st small{line-height:1.4}
#downloadStatus[hidden]{display:none!important}a[data-apk-download][aria-disabled="true"]{opacity:.55;pointer-events:none}

@media(max-width:760px){.dl-stores{display:flex;width:100%}.store-btn.direct-apk{width:100%;min-width:0;min-height:68px}.dl-info .sub{font-size:16px}}

.release-retry{margin:10px auto 0}[hidden]{display:none!important}