/* ============================================
   彩贝壳官网 — 首页样式
   ============================================ */

/* ---- Tokens ---- */
:root{
  --red:#E8271A;--red-dark:#C41E14;--red-light:#FFF3F2;--red-mid:#FFD4D0;
  --ink:#1A1A1A;--ink-mid:#444;--ink-muted:#666;--ink-faint:#BBB;
  --surface:#fff;--surface-warm:#FAFAF9;--surface-alt:#F5F4F2;
  --border:#EDEDED;--r-sm:12px;--r-md:16px;--r-lg:24px;--r-xl:32px;
  --sh-sm:0 2px 8px rgba(0,0,0,.06);--sh-md:0 8px 24px rgba(0,0,0,.08);--sh-lg:0 20px 60px rgba(0,0,0,.10);
  --font-sans:'Inter','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-display:'Sora','PingFang SC',sans-serif;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:#fff;color:#1A1A1A;line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media(max-width:768px){.container{padding:0 16px}}

.section{padding:88px 0}
.section-warm{background:var(--surface-warm)}
.section-white{background:#fff}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}
.reveal.visible{opacity:1;transform:none}

::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--ink-faint)}

@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.2)}}

/* ---- Components ---- */
.btn-red{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;background:var(--red);color:#fff;border-radius:100px;font-size:14px;font-weight:600;font-family:var(--font-display);transition:background .15s,transform .1s,box-shadow .15s;box-shadow:0 4px 14px rgba(232,39,26,.3)}
.btn-red:hover{background:var(--red-dark);transform:translateY(-1px);box-shadow:0 6px 20px rgba(232,39,26,.4)}
.btn-red:active{transform:scale(.97)}
.btn-outline-dark{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;background:transparent;color:var(--ink);border:2px solid rgba(26,26,26,.2);border-radius:100px;font-size:15px;font-weight:600;font-family:var(--font-display);transition:border-color .15s,color .15s}
.btn-outline-dark:hover{border-color:var(--red);color:var(--red)}
.btn-white{display:inline-flex;align-items:center;gap:6px;padding:12px 24px;background:#fff;color:var(--red);border-radius:100px;font-size:14px;font-weight:700;font-family:var(--font-display);transition:transform .15s,box-shadow .15s;white-space:nowrap}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.15)}

.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 4px 12px rgba(232,39,26,.3)}
.logo-icon img{width:100%;height:100%;object-fit:contain;display:block}
.logo-name{font-weight:700;font-size:16px;font-family:var(--font-display);color:var(--ink)}
.logo-sub{font-size:10px;color:var(--red);font-weight:600;letter-spacing:.05em}

.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:100px;background:rgba(232,39,26,.1);border:1px solid rgba(232,39,26,.2);font-size:13px;font-weight:600;color:var(--red);margin-bottom:20px}

/* ---- Header ---- */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow .2s}
header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.08)}
.h-inner{display:flex;align-items:center;height:64px;gap:32px}
nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-a{padding:7px 13px;border-radius:8px;font-size:14px;font-weight:500;color:var(--ink-mid);transition:background .15s,color .15s;white-space:nowrap}
.nav-a:hover{background:var(--surface-alt);color:var(--ink)}
.nav-a.hot{color:var(--red)}
.nav-badge{display:inline-block;background:var(--red);color:#fff;font-size:9px;font-weight:700;padding:2px 5px;border-radius:4px;margin-left:4px;vertical-align:middle}
.h-cta{margin-left:auto}
@media(max-width:768px){nav{display:none}.btn-outline-dark{display:none}}

/* ---- Hero ---- */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;overflow:hidden;background:linear-gradient(135deg,#FFF9F8 0%,#FFF3F0 40%,#FFF8F5 100%)}
.hero-dots{position:absolute;inset:0;opacity:.04;background-image:radial-gradient(circle at 1px 1px,#E8271A 1px,transparent 0);background-size:40px 40px;pointer-events:none}
.hero-blob1{position:absolute;top:25%;right:0;width:600px;height:600px;border-radius:50%;opacity:.06;filter:blur(100px);background:#E8271A;pointer-events:none}
.hero-blob2{position:absolute;bottom:0;left:0;width:400px;height:400px;border-radius:50%;opacity:.04;filter:blur(80px);background:#FF8C42;pointer-events:none}
.hero-body{flex:1;display:flex;flex-direction:row;align-items:center;gap:48px;padding:60px 0 32px;position:relative;z-index:1}
.hero-content{flex:1;min-width:0}
.hero-visual{flex:0 0 auto;width:min(520px,50%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}

.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:100px;border:1px solid rgba(232,39,26,.2);background:rgba(232,39,26,.05);margin-bottom:32px;opacity:0;transform:translateY(16px);animation:fadeUp .7s .1s forwards}
.hero-badge-dot{width:8px;height:8px;border-radius:50%;background:var(--red);animation:pulse 2s infinite}
.hero-badge span{font-size:13px;font-weight:500;color:var(--red)}

.hero-h1{font-family:var(--font-display);line-height:1.08;margin-bottom:20px;opacity:0;transform:translateY(24px);animation:fadeUp .7s .2s forwards}
.hero-h1-line1{display:block;font-size:clamp(48px,7vw,88px);font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.hero-h1-line2{display:block;font-size:clamp(48px,7vw,88px);font-weight:800;letter-spacing:-.02em;color:var(--red);margin-top:4px}
.hero-desc{font-size:16px;color:var(--ink-mid);line-height:1.7;max-width:640px;margin-bottom:12px;opacity:0;transform:translateY(24px);animation:fadeUp .7s .3s forwards}
.hero-desc strong{color:var(--ink);font-weight:600}
.hero-desc2{font-size:16px;color:var(--ink-muted);line-height:1.7;max-width:560px;margin-bottom:40px;opacity:0;transform:translateY(24px);animation:fadeUp .7s .35s forwards}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px;opacity:0;transform:translateY(24px);animation:fadeUp .7s .4s forwards}
.hero-trust{display:flex;flex-wrap:wrap;gap:24px;opacity:0;transform:translateY(16px);animation:fadeUp .7s .5s forwards}
.hero-trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:#555}
.hero-trust-icon{color:var(--red);display:flex;align-items:center}

.hero-stats-bar{position:relative;z-index:1;border-top:1px solid rgba(232,39,26,.1);background:rgba(255,255,255,.6);backdrop-filter:blur(8px)}
.hero-stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:24px 0}
@media(max-width:768px){.hero-stats-inner{grid-template-columns:repeat(2,1fr)}}
.hero-stat-num{font-size:clamp(24px,3vw,36px);font-weight:800;font-family:var(--font-display);color:var(--ink);margin-bottom:2px}
.hero-stat-label{font-size:13px;color:var(--ink-muted)}
.hero-stat-en{font-size:11px;color:var(--ink-faint);margin-top:2px}

@media(max-width:900px){.hero-body{flex-direction:column;text-align:center}.hero-visual{width:100%;margin-top:40px}.hero-desc,.hero-desc2,.hero-actions,.hero-trust{margin-left:auto;margin-right:auto}}

/* ---- Hero App Download Card ---- */
.hero-app-card{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:48px 40px;background:#fff;border-radius:28px;box-shadow:0 20px 60px rgba(0,0,0,.10),0 0 0 1px rgba(232,39,26,.06);width:min(360px,100%);margin:0 auto;animation:fadeUp .7s .3s forwards;opacity:0;transform:translateY(24px)}
.hero-app-icon-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(232,39,26,.10) 0%,rgba(255,107,53,.06) 40%,transparent 70%);pointer-events:none;z-index:0}
.hero-app-icon{position:relative;z-index:1;width:100px;height:100px;border-radius:22px;overflow:hidden;box-shadow:0 12px 32px rgba(232,39,26,.35),0 0 0 4px rgba(232,39,26,.08);transition:transform .3s,box-shadow .3s;margin-bottom:4px}
.hero-app-icon:hover{transform:scale(1.05) rotate(-2deg);box-shadow:0 16px 40px rgba(232,39,26,.4),0 0 0 4px rgba(232,39,26,.12)}
.hero-app-icon img{width:100%;height:100%;object-fit:cover;display:block;border-radius:22px}
.hero-app-name{font-size:22px;font-weight:700;font-family:var(--font-display);color:var(--ink);margin-top:4px;position:relative;z-index:1}
.hero-app-slogan{font-size:13px;color:var(--ink-muted);margin-bottom:12px;position:relative;z-index:1}
.hero-qr-wrap{position:relative;z-index:1;width:170px;height:170px;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 4px 16px rgba(0,0,0,.06);margin-top:4px;transition:transform .3s,box-shadow .3s}
.hero-qr-wrap:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.10)}
.hero-qr-wrap img{width:100%;height:100%;object-fit:contain;display:block;border-radius:16px}
.hero-qr-label{font-size:13px;font-weight:600;color:var(--ink-mid);margin-top:14px;position:relative;z-index:1}
.hero-qr-sub{font-size:11px;color:var(--ink-faint);margin-bottom:4px;position:relative;z-index:1}

@media(max-width:900px){.hero-app-card{padding:36px 28px}.hero-app-icon{width:84px;height:84px;border-radius:18px}.hero-app-icon img{border-radius:18px}.hero-qr-wrap{width:150px;height:150px}}
@media(max-width:768px){.hero-app-card{padding:28px 24px;border-radius:22px}.hero-app-icon{width:72px;height:72px;border-radius:16px}.hero-app-icon img{border-radius:16px}.hero-app-name{font-size:20px}.hero-qr-wrap{width:130px;height:130px;border-radius:14px}.hero-qr-wrap img{border-radius:14px}}

/* ---- Values ---- *//* ---- Values ---- */
.val-header{max-width:680px;margin-bottom:40px}
.val-title{font-size:clamp(32px,4vw,48px);font-weight:800;font-family:var(--font-display);letter-spacing:-.02em;color:var(--ink);margin-bottom:16px}
.val-subtitle{font-size:17px;color:var(--ink-muted);line-height:1.7}
.val-tag-row{display:flex;align-items:center;gap:12px;margin-bottom:40px;flex-wrap:wrap}
.val-tag-note{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.val-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:900px){.val-cards{grid-template-columns:1fr}}
.val-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:32px;transition:border-color .25s,box-shadow .25s,transform .25s;position:relative;overflow:hidden}
.val-card:hover{border-color:transparent;box-shadow:var(--sh-lg);transform:translateY(-4px)}
.val-card-icon{width:56px;height:56px;border-radius:18px;display:flex;align-items:center;justify-content:center;margin-bottom:24px;transition:transform .3s}
.val-card:hover .val-card-icon{transform:scale(1.1)}
.val-card-title-row{display:flex;align-items:baseline;gap:8px;margin-bottom:12px}
.val-card-title{font-size:30px;font-weight:800;font-family:var(--font-display)}
.val-card-en{font-size:12px;font-weight:500;color:var(--ink-faint)}
.val-card-h{font-size:16px;font-weight:700;font-family:var(--font-display);color:var(--ink);margin-bottom:12px;line-height:1.4}
.val-card-desc{font-size:13px;color:var(--ink-muted);line-height:1.75}
.val-card-bar{height:2px;width:48px;border-radius:2px;margin-top:24px;transition:width .3s;opacity:.25}
.val-card:hover .val-card-bar{width:100%}

/* ---- Services ---- */
.svc-header{display:flex;flex-direction:column;gap:16px;margin-bottom:56px}
@media(min-width:768px){.svc-header{flex-direction:row;align-items:flex-end;justify-content:space-between}}
.svc-title{font-size:clamp(32px,4vw,48px);font-weight:800;font-family:var(--font-display);letter-spacing:-.02em;color:var(--ink);line-height:1.1}
.svc-subtitle{font-size:15px;color:var(--ink-muted);max-width:320px;line-height:1.7}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.svc-grid{grid-template-columns:1fr}}
.svc-card{border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.07);background:#fff;transition:transform .3s,box-shadow .3s}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.12)}
.svc-card-img{height:130px;position:relative;overflow:hidden}
.svc-card-img img{width:100%;height:100%;object-fit:cover}
.svc-card-tag{position:absolute;top:10px;left:10px;font-size:10px;font-weight:700;padding:3px 8px;border-radius:4px;color:#fff;z-index:2}
.svc-card-body{padding:16px 18px}
.svc-card-title{font-weight:700;font-size:15px;color:var(--ink);margin-bottom:6px}
.svc-card-desc{font-size:13px;color:var(--ink-muted);line-height:1.55;margin:0}
.svc-footer{text-align:center;margin-top:48px}
.svc-footer p{font-size:13px;color:#999;margin-bottom:16px}

/* ---- Summer ---- */
.summer{position:relative;overflow:hidden;background:linear-gradient(160deg,#FFFAF9 0%,#FFF5F0 60%,#FFF9F5 100%)}
.summer-blob1{position:absolute;top:0;right:0;width:320px;height:320px;border-radius:50%;opacity:.07;filter:blur(80px);background:#E8271A;pointer-events:none}
.summer-blob2{position:absolute;bottom:0;left:0;width:256px;height:256px;border-radius:50%;opacity:.05;filter:blur(60px);background:#7C3AED;pointer-events:none}
.summer-hdr{max-width:860px;margin-bottom:56px}
.summer-title{font-size:clamp(36px,5vw,60px);font-weight:800;font-family:var(--font-display);color:var(--ink);line-height:1.1;margin-bottom:20px}
.summer-title span{color:var(--red)}
.summer-subtitle{font-size:16px;color:var(--ink-muted);line-height:1.7}
.summer-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:56px}
@media(max-width:900px){.summer-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.summer-cards{grid-template-columns:1fr}}
.summer-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;transition:box-shadow .25s,border-color .25s,transform .25s;cursor:default}
.summer-card:hover{box-shadow:var(--sh-md);border-color:transparent;transform:translateY(-3px)}
.summer-card-tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:100px;font-size:11px;font-weight:700;margin-bottom:16px}
.summer-card-icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;transition:transform .3s}
.summer-card:hover .summer-card-icon{transform:scale(1.1)}
.summer-card-title{font-size:16px;font-weight:700;font-family:var(--font-display);color:var(--ink);margin-bottom:4px}
.summer-card-en{font-size:11px;color:var(--ink-faint);margin-bottom:12px}
.summer-card-desc{font-size:12px;color:var(--ink-muted);line-height:1.65}
.summer-card-more{margin-top:16px;display:flex;align-items:center;gap:4px;font-size:12px;font-weight:500;opacity:0;transition:opacity .25s}
.summer-card:hover .summer-card-more{opacity:1}
.summer-cta-banner{border-radius:var(--r-xl);padding:40px;background:linear-gradient(to right,#E8271A,#FF6B35);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.summer-cta-sub{font-size:13px;color:rgba(255,255,255,.8);font-weight:500;margin-bottom:8px}
.summer-cta-title{font-size:clamp(20px,2.5vw,28px);font-weight:800;color:#fff;font-family:var(--font-display);line-height:1.2;margin-bottom:8px}
.summer-cta-note{font-size:13px;color:rgba(255,255,255,.7)}

/* ---- Trust / 3D Carousel ---- */
.trust-section{overflow:hidden}
.trust-header{text-align:center;margin-bottom:48px}
.trust-title{font-size:clamp(28px,4vw,42px);font-weight:800;color:var(--ink);margin:0 0 16px;line-height:1.2}
.trust-subtitle{font-size:16px;color:var(--ink-muted);max-width:560px;margin:0 auto;line-height:1.7}

.carousel-3d-wrapper{position:relative;width:100%;max-width:1100px;margin:0 auto;padding:20px 0 40px}
.carousel-3d-scene{position:relative;height:480px;perspective:1400px;perspective-origin:50% 50%;overflow:visible}
.carousel-3d-track{position:absolute;width:100%;height:100%;transform-style:preserve-3d}
.carousel-3d-slide{position:absolute;left:50%;top:50%;width:360px;height:450px;margin-left:-180px;margin-top:-225px;border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 16px 48px rgba(0,0,0,.12);transition:all .7s cubic-bezier(0.23,1,0.32,1);cursor:pointer;user-select:none;-webkit-user-drag:none}
.carousel-3d-slide img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none;border-radius:20px}
.carousel-3d-slide.pos-center{transform:translateX(0) scale(1) rotateY(0deg);opacity:1;z-index:10;box-shadow:0 24px 64px rgba(0,0,0,.18)}
.carousel-3d-slide.pos-left-1{transform:translateX(-340px) scale(.82) rotateY(28deg);opacity:.7;z-index:5;box-shadow:0 12px 36px rgba(0,0,0,.1);filter:brightness(.92)}
.carousel-3d-slide.pos-right-1{transform:translateX(340px) scale(.82) rotateY(-28deg);opacity:.7;z-index:5;box-shadow:0 12px 36px rgba(0,0,0,.1);filter:brightness(.92)}
.carousel-3d-slide.pos-left-2{transform:translateX(-600px) scale(.65) rotateY(42deg);opacity:.35;z-index:2;box-shadow:0 8px 24px rgba(0,0,0,.08);filter:brightness(.82)}
.carousel-3d-slide.pos-right-2{transform:translateX(600px) scale(.65) rotateY(-42deg);opacity:.35;z-index:2;box-shadow:0 8px 24px rgba(0,0,0,.08);filter:brightness(.82)}
.carousel-3d-slide.pos-hidden-left{transform:translateX(-850px) scale(.5) rotateY(55deg);opacity:0;z-index:0;pointer-events:none}
.carousel-3d-slide.pos-hidden-right{transform:translateX(850px) scale(.5) rotateY(-55deg);opacity:0;z-index:0;pointer-events:none}

.carousel-3d-controls{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:8px}
.carousel-3d-btn{width:48px;height:48px;border-radius:50%;background:var(--red);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .25s cubic-bezier(0.23,1,0.32,1);box-shadow:0 4px 16px rgba(232,39,26,.35);flex-shrink:0}
.carousel-3d-btn:hover{transform:scale(1.12);box-shadow:0 6px 24px rgba(232,39,26,.5);background:var(--red-dark)}
.carousel-3d-btn:active{transform:scale(.95)}
.carousel-3d-btn svg{width:20px;height:20px}
.carousel-3d-dots{display:flex;align-items:center;gap:10px}
.carousel-3d-dot{height:8px;border-radius:4px;background:#ddd;cursor:pointer;transition:all .4s cubic-bezier(0.23,1,0.32,1);border:none;padding:0}
.carousel-3d-dot.active{width:28px;background:var(--red)}
.carousel-3d-dot:not(.active){width:8px}
.carousel-3d-dot:hover:not(.active){background:#bbb;width:12px}
.carousel-3d-progress{width:180px;height:4px;background:#eee;border-radius:2px;overflow:hidden;position:relative}
.carousel-3d-progress-bar{height:100%;background:linear-gradient(90deg,var(--red),#FF6B35);border-radius:2px;transition:width .5s cubic-bezier(0.23,1,0.32,1);width:20%}

@media(max-width:1100px){.carousel-3d-slide{width:300px;height:380px;margin-left:-150px;margin-top:-190px}.carousel-3d-slide.pos-left-1{transform:translateX(-280px) scale(.8) rotateY(26deg)}.carousel-3d-slide.pos-right-1{transform:translateX(280px) scale(.8) rotateY(-26deg)}.carousel-3d-slide.pos-left-2{transform:translateX(-500px) scale(.62) rotateY(40deg)}.carousel-3d-slide.pos-right-2{transform:translateX(500px) scale(.62) rotateY(-40deg)}.carousel-3d-slide.pos-hidden-left{transform:translateX(-700px) scale(.48) rotateY(52deg)}.carousel-3d-slide.pos-hidden-right{transform:translateX(700px) scale(.48) rotateY(-52deg)}.carousel-3d-scene{height:420px}}
@media(max-width:768px){.carousel-3d-scene{height:360px;perspective:1000px}.carousel-3d-slide{width:240px;height:310px;margin-left:-120px;margin-top:-155px;border-radius:14px}.carousel-3d-slide img{border-radius:14px}.carousel-3d-slide.pos-left-1{transform:translateX(-200px) scale(.78) rotateY(22deg);opacity:.6}.carousel-3d-slide.pos-right-1{transform:translateX(200px) scale(.78) rotateY(-22deg);opacity:.6}.carousel-3d-slide.pos-left-2{transform:translateX(-350px) scale(.58) rotateY(36deg);opacity:.2}.carousel-3d-slide.pos-right-2{transform:translateX(350px) scale(.58) rotateY(-36deg);opacity:.2}.carousel-3d-slide.pos-hidden-left{transform:translateX(-500px) scale(.42) rotateY(50deg);opacity:0}.carousel-3d-slide.pos-hidden-right{transform:translateX(500px) scale(.42) rotateY(-50deg);opacity:0}.carousel-3d-btn{width:40px;height:40px}.carousel-3d-btn svg{width:16px;height:16px}}
@media(max-width:480px){.carousel-3d-scene{height:320px}.carousel-3d-slide{width:200px;height:270px;margin-left:-100px;margin-top:-135px;border-radius:12px}.carousel-3d-slide img{border-radius:12px}.carousel-3d-slide.pos-left-1{transform:translateX(-160px) scale(.76) rotateY(20deg)}.carousel-3d-slide.pos-right-1{transform:translateX(160px) scale(.76) rotateY(-20deg)}.carousel-3d-slide.pos-left-2,.carousel-3d-slide.pos-right-2,.carousel-3d-slide.pos-hidden-left,.carousel-3d-slide.pos-hidden-right{opacity:0;pointer-events:none}.carousel-3d-progress{width:120px}}

/* ---- Merchant ---- */
.merchant-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:768px){.merchant-grid{grid-template-columns:1fr}}
.merchant-left{border-radius:var(--r-xl);padding:48px;background:linear-gradient(135deg,#E8271A 0%,#FF6B35 100%);display:flex;flex-direction:column;justify-content:space-between;min-height:400px}
.merchant-title{font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;font-family:var(--font-display);line-height:1.2;margin-bottom:14px}
.merchant-desc{font-size:14px;color:rgba(255,255,255,.75);line-height:1.7;margin-bottom:28px}
.merchant-mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:28px}
.merchant-mini-num{font-size:18px;font-weight:800;color:#fff;font-family:var(--font-display)}
.merchant-mini-label{font-size:11px;color:rgba(255,255,255,.55);margin-top:2px}
.merchant-features{display:flex;flex-direction:column;gap:14px}
.merchant-feature{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:20px 22px;display:flex;gap:16px;transition:border-color .2s,box-shadow .2s,transform .2s}
.merchant-feature:hover{border-color:rgba(232,39,26,.3);box-shadow:var(--sh-sm);transform:translateX(3px)}
.merchant-feature-icon{width:44px;height:44px;flex-shrink:0;background:var(--red-light);border-radius:12px;display:flex;align-items:center;justify-content:center;transition:background .2s;overflow:hidden;position:relative}
.merchant-feature-icon svg{display:block}
.merchant-feature-icon img{width:100%;height:100%;object-fit:contain;display:none;border-radius:12px;position:absolute;inset:0}
.merchant-feature:hover .merchant-feature-icon{background:var(--red)}
.merchant-feature:hover .merchant-feature-icon svg{display:none}
.merchant-feature:hover .merchant-feature-icon img{display:block}
.merchant-feature-title{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:4px}
.merchant-feature-desc{font-size:12px;color:var(--ink-muted);line-height:1.6}

/* ---- FAQ ---- */
.faq-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:60px;align-items:start}
@media(max-width:900px){.faq-grid{grid-template-columns:1fr}}
.faq-left-title{font-size:clamp(28px,3.5vw,42px);font-weight:800;font-family:var(--font-display);color:var(--ink);line-height:1.15;margin-bottom:16px}
.faq-left-desc{font-size:14px;color:var(--ink-muted);line-height:1.7;margin-bottom:24px}
.faq-contact{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:20px 22px}
.faq-contact-title{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}
.faq-contact-desc{font-size:12px;color:var(--ink-muted);margin-bottom:12px}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:rgba(232,39,26,.3)}
.faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:18px 20px;background:none;border:none;cursor:pointer;text-align:left;font-family:inherit}
.faq-q-text{font-size:13px;font-weight:600;color:var(--ink);line-height:1.5;transition:color .15s}
.faq-item.open .faq-q-text{color:var(--red)}
.faq-toggle{width:24px;height:24px;flex-shrink:0;border-radius:50%;background:var(--surface-alt);display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s;color:var(--ink-muted);font-size:14px}
.faq-item.open .faq-toggle{background:var(--red);color:#fff}
.faq-a{display:none;padding:0 20px 18px;font-size:13px;color:#555;line-height:1.75}
.faq-item.open .faq-a{display:block}

/* ---- Download ---- */
.dl-card{border-radius:var(--r-xl);overflow:hidden;background:linear-gradient(135deg,#1A1A1A 0%,#2D1A1A 60%,#1A0A0A 100%)}
.dl-inner{display:grid;grid-template-columns:1fr 1fr}
@media(max-width:768px){.dl-inner{grid-template-columns:1fr}}
.dl-content{padding:56px 48px}
.dl-title{font-size:clamp(28px,3.5vw,44px);font-weight:800;color:#fff;font-family:var(--font-display);line-height:1.15;margin-bottom:14px}
.dl-title span{color:var(--red)}
.dl-desc{font-size:14px;color:rgba(255,255,255,.55);line-height:1.7;margin-bottom:28px}
.dl-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.btn-dl{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:14px;font-size:13px;font-weight:600;transition:transform .15s,box-shadow .15s}
.btn-dl:hover{transform:translateY(-1px)}
.btn-dl-white{background:#fff;color:var(--ink)}
.btn-dl-white:hover{box-shadow:0 8px 20px rgba(255,255,255,.2)}
.btn-dl-ghost{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff}
.btn-dl-ghost:hover{background:rgba(255,255,255,.15)}
.btn-dl-label-sm{font-size:10px;opacity:.6;line-height:1;margin-bottom:2px}
.btn-dl-label{font-size:13px;font-weight:700;line-height:1}
.dl-proof{display:flex;align-items:center;gap:12px}
.dl-avatars{display:flex}
.dl-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--red),#FF6B35);border:2px solid #1A1A1A;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:700;margin-right:-8px}
.dl-proof-main{font-size:13px;font-weight:600;color:#fff}
.dl-proof-sub{font-size:11px;color:rgba(255,255,255,.4)}
.dl-qr{display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.03);border-left:1px solid rgba(255,255,255,.06);padding:48px}
.qr-box{width:160px;height:160px;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;margin-bottom:12px;overflow:hidden}
.qr-box img{width:100%;height:100%;object-fit:cover;display:block;border-radius:16px}
.qr-label{font-size:13px;color:rgba(255,255,255,.4);text-align:center}
.qr-sub{font-size:11px;color:rgba(255,255,255,.2);margin-top:4px}

/* ---- Footer ---- */
footer{background:var(--surface-warm);border-top:1px solid var(--border)}
.footer-inner{padding:56px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-brand-desc{font-size:13px;color:var(--ink-muted);line-height:1.7;margin:12px 0 16px;max-width:260px}
.footer-socials{display:flex;gap:8px}
.social-btn{width:32px;height:32px;background:#fff;border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:var(--ink-muted);transition:border-color .15s,color .15s;cursor:pointer}
.social-btn:hover{border-color:var(--red);color:var(--red)}
.social-btn img{width:32px;height:32px;object-fit:contain;display:block}
.footer-bottom{padding-top:24px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-copy{font-size:12px;color:var(--ink-faint)}
.footer-legal{display:flex;align-items:center;gap:12px}
.footer-legal a{font-size:12px;color:var(--ink-faint);transition:color .15s}
.footer-legal a:hover{color:var(--red)}
.footer-sep{color:var(--border);font-size:12px}