/* roulang page: index */
:root{
  --berry:#D94A5A; --berry-dk:#C23C4B; --pine:#24443C; --pine-dk:#1B342E;
  --paper:#F7F1E6; --ivory:#FFFCF6; --ink:#17161A; --smoke:#6F6A61;
  --mustard:#E8B54B; --line:#DED6C7;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --mono:"SFMono-Regular",Consolas,"IBM Plex Mono",ui-monospace,monospace;
  --shadow:2px 2px 0 #17161A; --shadow-lg:4px 4px 0 #17161A;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.8vw,3.3rem);line-height:1.1;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.45rem,2.7vw,2.15rem);line-height:1.2;font-weight:700}
h3{font-size:1.12rem;line-height:1.35;font-weight:700}
p{margin:0}
::selection{background:var(--mustard);color:var(--ink)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--alt{background:var(--ivory);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:700px;margin-bottom:44px}
.sec-head p{margin-top:14px;color:var(--smoke);max-width:46ch}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--berry);margin-bottom:16px}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--berry)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 24px;border:2px solid var(--ink);border-radius:2px;font-weight:700;font-size:15px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s,color .2s}
.btn-primary{background:var(--berry);color:var(--ivory);box-shadow:4px 4px 0 var(--ink)}
.btn-primary:hover{background:var(--berry-dk);transform:translate(2px,2px);box-shadow:0 0 0 var(--ink)}
.btn-primary:active{transform:translate(3px,3px)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn:focus-visible,.icon-btn:focus-visible,.faq-q:focus-visible,.tab-btn:focus-visible,.switch-btn:focus-visible{outline:3px solid var(--mustard);outline-offset:2px}
.btn-block{width:100%}
.link{display:inline-block;font-weight:700;font-size:14px;padding-bottom:2px;background-image:linear-gradient(var(--mustard),var(--mustard));background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;transition:background-size .22s var(--ease)}
.link:hover{background-size:100% 2px}
.tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.06em;padding:3px 9px;border:1px solid var(--line);background:var(--paper);color:var(--smoke);border-radius:2px}
.tag--berry{color:var(--ivory);background:var(--berry);border-color:var(--berry)}
.tag--pine{color:var(--ivory);background:var(--pine);border-color:var(--pine)}
.card{background:var(--ivory);border:1px solid var(--line);border-radius:3px;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.card:hover{transform:translateY(-2px);box-shadow:3px 3px 0 #17161A}
.shot{position:relative;border:2px solid var(--ink);background:#E8E0D0;overflow:hidden;box-shadow:4px 4px 0 rgba(23,22,26,.14)}
.shot img{width:100%;height:100%;object-fit:cover}
.shot::before,.shot::after{content:"";position:absolute;width:9px;height:9px;background:var(--mustard);z-index:2}
.shot::before{top:0;left:0}
.shot::after{bottom:0;right:0}
.r1610{aspect-ratio:16/10}
.r169{aspect-ratio:16/9}
.r43{aspect-ratio:4/3}
.r32{aspect-ratio:3/2}
.r11{aspect-ratio:1/1}

/* header */
.toolbar{background:#EFE7D8;border-bottom:1px solid var(--line);font-size:13px;color:var(--smoke)}
.toolbar-in{display:flex;align-items:center;justify-content:space-between;height:32px}
.status{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em}
.status i{width:7px;height:7px;background:var(--berry);display:block}
.toolbar-links{display:flex;gap:20px}
.toolbar-links a:hover{color:var(--ink)}
.navbar{position:sticky;top:0;z-index:80;background:rgba(247,241,230,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.navbar.is-stuck{box-shadow:0 2px 0 rgba(23,22,26,.08)}
.navbar-in{display:flex;align-items:center;height:72px;gap:26px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;letter-spacing:-.01em}
.brand-mark{width:15px;height:15px;background:var(--berry);box-shadow:4px 4px 0 var(--pine);flex:none}
.main-nav{display:flex;gap:26px;margin-left:34px;margin-right:auto}
.main-nav a{position:relative;font-size:15px;padding:6px 0;color:#2B2A2E}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--berry);transition:width .22s var(--ease)}
.main-nav a:hover::after,.main-nav a.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid transparent;border-radius:2px;transition:background .2s,border-color .2s}
.icon-btn:hover{background:#EFE7D8;border-color:var(--line)}
.icon-btn svg{width:19px;height:19px;stroke:var(--ink);fill:none;stroke-width:2}
.menu-btn{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:2px solid var(--ink);border-radius:2px;background:var(--ivory)}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);box-shadow:0 6px 0 var(--ink),0 -6px 0 var(--ink)}

/* drawer */
.drawer{position:fixed;inset:0 0 0 auto;width:88%;max-width:360px;background:var(--ivory);border-left:2px solid var(--ink);z-index:120;transform:translateX(101%);transition:transform .26s var(--ease);display:flex;flex-direction:column;padding:20px}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer nav{display:flex;flex-direction:column;gap:2px}
.drawer nav a{display:flex;align-items:center;min-height:48px;padding:0 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600}
.drawer nav a:hover{color:var(--berry)}
.drawer-foot{margin-top:auto;padding-top:22px;display:grid;gap:10px}
.drawer-foot .small{font-size:13px;color:var(--smoke)}
.scrim{position:fixed;inset:0;background:rgba(23,22,26,.5);z-index:110;opacity:0;pointer-events:none;transition:opacity .2s}
.scrim.is-open{opacity:1;pointer-events:auto}

/* modal */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.is-open{display:flex}
.modal-bg{position:absolute;inset:0;background:rgba(23,22,26,.62)}
.modal-box{position:relative;background:var(--ivory);border:2px solid var(--ink);box-shadow:6px 6px 0 rgba(23,22,26,.5);border-radius:3px;padding:28px;width:100%;max-width:520px;z-index:1}
.modal-x{position:absolute;top:10px;right:10px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;border:1px solid var(--line);border-radius:2px;background:var(--paper)}
.modal-x:hover{background:var(--berry);color:var(--ivory);border-color:var(--berry)}
.field{width:100%;border:0;border-bottom:2px solid var(--ink);background:transparent;padding:10px 2px;font-family:var(--sans);font-size:16px;color:var(--ink);border-radius:0;transition:border-color .2s}
.field:focus{outline:none;border-bottom-color:var(--berry)}
.field::placeholder{color:#9C958A}

/* hero */
.hero{position:relative;padding:76px 0 0;background:var(--paper) url("/assets/images/870eaf3941b8e8f4.jpg") center/cover no-repeat;background-blend-mode:normal}
.hero::before{content:"";position:absolute;inset:0;background:rgba(247,241,230,.94);background-image:radial-gradient(rgba(23,22,26,.05) 1px,transparent 1px);background-size:8px 8px}
.hero-in{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding-bottom:56px}
.hero h1{margin-bottom:20px}
.hero-lead{font-size:17px;color:#3A3733;max-width:44ch;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.trust{display:flex;flex-wrap:wrap;gap:26px;list-style:none;margin:0;padding:0;font-size:13.5px;color:var(--smoke)}
.trust li{display:flex;align-items:baseline;gap:7px}
.trust b{font-family:var(--mono);font-size:16px;color:var(--ink);letter-spacing:-.02em}
.window{border:2px solid var(--ink);background:var(--ivory);box-shadow:6px 6px 0 rgba(23,22,26,.2);border-radius:3px;overflow:hidden}
.window-bar{display:flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-bottom:2px solid var(--ink);background:#EFE7D8}
.window-bar i{width:9px;height:9px;background:var(--line);border:1px solid #C9C0AE;display:block}
.window-bar i:first-child{background:var(--berry);border-color:var(--berry)}
.window-bar em{margin-left:8px;font-family:var(--mono);font-size:11px;font-style:normal;color:var(--smoke);letter-spacing:.04em}
.window .shot{border:0;box-shadow:none}
.window .shot::before,.window .shot::after{display:none}
.hero-bar{position:relative;z-index:1;border-top:1px solid var(--line);background:rgba(255,252,246,.86)}
.hero-bar ul{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;margin:0;padding:22px 0;gap:24px}
.hero-bar li{display:flex;align-items:baseline;gap:10px;font-size:13.5px;color:var(--smoke)}
.hero-bar b{font-family:var(--mono);font-size:20px;color:var(--ink);letter-spacing:-.03em}

/* feature group 1 */
.g-f1{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.g-f1-side{display:grid;gap:24px}
.f-card{padding:26px}
.f-card p{margin-top:10px;color:var(--smoke);font-size:15px}
.f-card h3{margin-top:18px}
.f-mini{display:flex;gap:16px;align-items:flex-start;padding:24px}
.px-icon{width:34px;height:34px;flex:none;background:var(--paper);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;box-shadow:2px 2px 0 rgba(23,22,26,.12)}
.px-icon::before{content:"";width:12px;height:12px;background:var(--pine)}
.px-icon.b::before{background:var(--berry)}

/* tabs block */
.g-tabs{display:grid;grid-template-columns:3fr 9fr;gap:32px}
.tab-col{display:flex;flex-direction:column;gap:2px}
.tab-btn{position:relative;text-align:left;min-height:52px;padding:12px 14px;color:var(--smoke);font-weight:600;font-size:15px;border-left:3px solid transparent;transition:color .2s,background .2s}
.tab-btn:hover{background:#EFE7D8;color:var(--ink)}
.tab-btn.is-active{color:var(--ink);border-left-color:var(--berry);background:#EFE7D8}
.tab-btn.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--mustard)}
.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:fadeUp .22s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.panel-inner{display:grid;grid-template-columns:1fr;gap:20px}
.specs{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.specs li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#3A3733}
.specs li::before{content:"";width:8px;height:8px;margin-top:8px;background:var(--berry);flex:none}

/* scenes */
.scene-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.scene{display:flex;flex-direction:column;overflow:hidden}
.scene:nth-child(1){grid-column:span 7}
.scene:nth-child(2){grid-column:span 5}
.scene:nth-child(3){grid-column:span 5}
.scene:nth-child(4){grid-column:span 7}
.scene-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body p{color:var(--smoke);font-size:14.5px}
.scene-body .link{align-self:flex-start;margin-top:auto}
.scroll-hint{display:none;font-size:13px;color:var(--smoke);margin-top:16px}

/* picks */
.picks{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.picks-head{position:sticky;top:96px}
.picks-head p{color:var(--smoke);margin:14px 0 18px;font-size:15px}
.pick-list{list-style:none;margin:0;padding:0}
.pick-row{display:grid;grid-template-columns:52px 132px 1fr 24px;gap:18px;align-items:center;padding:20px 0;border-bottom:1px dashed var(--line)}
.pick-row:first-child{border-top:1px dashed var(--line)}
.pick-row:hover .pick-title{background-size:100% 2px}
.pick-row:hover .shot{box-shadow:6px 6px 0 rgba(23,22,26,.16)}
.pick-num{font-family:var(--mono);font-size:15px;color:var(--smoke);letter-spacing:.04em}
.pick-title{font-weight:700;font-size:16px;background-image:linear-gradient(var(--mustard),var(--mustard));background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;transition:background-size .22s var(--ease);padding-bottom:2px;display:inline-block}
.pick-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;font-family:var(--mono);font-size:11.5px;color:var(--smoke);letter-spacing:.04em}
.pick-arrow{font-family:var(--mono);color:var(--berry);font-size:16px}

/* demo */
.demo-stage{background:var(--pine);border-radius:4px;padding:40px 32px;border:2px solid var(--ink);box-shadow:6px 6px 0 rgba(23,22,26,.22)}
.demo-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:28px;flex-wrap:wrap}
.demo-tabs .tab-btn{min-height:44px;border:1px solid rgba(255,252,246,.34);border-radius:2px;color:rgba(255,252,246,.78);padding:8px 20px;text-align:center}
.demo-tabs .tab-btn.is-active{background:var(--ivory);color:var(--ink);border-color:var(--ivory)}
.demo-tabs .tab-btn.is-active::after{display:none}
.demo-main{position:relative;max-width:900px;margin:0 auto}
.demo-main .shot{box-shadow:8px 8px 0 rgba(23,22,26,.4)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:3}
.play-btn span{width:74px;height:74px;display:flex;align-items:center;justify-content:center;background:var(--berry);border:2px solid var(--ink);box-shadow:4px 4px 0 rgba(23,22,26,.55);color:var(--ivory);font-size:22px;transition:transform .2s var(--ease)}
.play-btn:hover span{transform:translate(2px,2px);box-shadow:0 0 0 rgba(0,0,0,0)}
.note{position:absolute;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ivory);z-index:4}
.note b{display:flex;align-items:center;justify-content:center;width:22px;height:22px;background:var(--mustard);color:var(--ink);font-family:var(--mono);font-size:11px;border:1px solid var(--ink)}
.note.n1{top:14%;right:-16px}
.note.n2{bottom:26%;right:-16px}
.note.n3{bottom:-14px;left:24px}
.demo-thumbs{display:flex;gap:14px;justify-content:center;margin-top:28px}
.demo-thumbs .shot{width:180px;flex:none;cursor:pointer;opacity:.72;transition:opacity .2s,box-shadow .2s}
.demo-thumbs .shot:hover{opacity:1;box-shadow:6px 6px 0 rgba(23,22,26,.4)}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric{padding:32px 26px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0}
.metric-num{font-family:var(--mono);font-size:clamp(1.7rem,3vw,2.4rem);letter-spacing:-.03em;color:var(--ink);line-height:1.1}
.metric-num em{font-style:normal;font-size:.5em;color:var(--smoke);margin-left:4px}
.metric-name{font-weight:700;margin-top:8px;font-size:15px}
.metric p{color:var(--smoke);font-size:13.5px;margin-top:6px}
.bar{height:8px;background:#E8E0D0;border:1px solid var(--line);margin-top:16px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--berry);transition:width 1s var(--ease)}

/* cases */
.cases{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.case-card{overflow:hidden;display:flex;flex-direction:column}
.case-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.case-top{display:flex;align-items:center;gap:12px}
.logo-ph{width:38px;height:38px;border:2px solid var(--ink);background:var(--mustard);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12px;font-weight:700;flex:none}
.case-stats{display:flex;gap:28px;padding:14px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}
.case-stats div b{display:block;font-family:var(--mono);font-size:20px;letter-spacing:-.03em}
.case-stats div span{font-size:12.5px;color:var(--smoke)}
.case-quote{font-size:14.5px;color:#3A3733;border-left:3px solid var(--mustard);padding-left:12px}

/* pricing */
.price-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.switch{display:inline-flex;border:2px solid var(--ink);border-radius:2px;overflow:hidden;background:var(--ivory)}
.switch-btn{min-height:44px;padding:8px 20px;font-size:14px;font-weight:700;color:var(--smoke);transition:background .2s,color .2s}
.switch-btn.is-active{background:var(--berry);color:var(--ivory)}
.pricing{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:start}
.price-stack{display:grid;gap:24px}
.price-card{position:relative;padding:30px;display:flex;flex-direction:column;gap:16px;background:var(--ivory);border:1px solid var(--line);border-radius:3px;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.price-card:hover{transform:translateY(-3px);box-shadow:6px 6px 0 #17161A}
.price-card.main{border:2px solid var(--ink);box-shadow:4px 4px 0 #17161A;padding:36px 30px}
.price-card.main:hover{box-shadow:6px 6px 0 #17161A}
.badge-px{position:absolute;top:-13px;right:20px;background:var(--mustard);color:var(--ink);border:2px solid var(--ink);font-family:var(--mono);font-size:11px;letter-spacing:.08em;padding:3px 10px}
.price-name{font-weight:700;font-size:16px}
.price-num{font-family:var(--mono);letter-spacing:-.04em;line-height:1;display:flex;align-items:baseline;gap:4px}
.price-num .cur{font-size:1.05rem;color:var(--smoke)}
.price-num .val{font-size:clamp(2.2rem,4vw,3rem);font-weight:700}
.price-num .unit{font-size:.85rem;color:var(--smoke);font-family:var(--sans)}
.price-note{font-size:13px;color:var(--smoke)}
.price-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14.5px}
.price-list li{display:flex;gap:10px;align-items:flex-start}
.price-list li::before{content:"";width:9px;height:9px;background:var(--pine);margin-top:8px;flex:none;box-shadow:2px 2px 0 rgba(23,22,26,.16)}
.price-card .btn{margin-top:auto}

/* reviews wall */
.wall{columns:3;column-gap:24px}
.review{break-inside:avoid;margin-bottom:24px;padding:22px;background:var(--ivory);border:1px solid var(--line);border-radius:3px;box-shadow:var(--shadow);transition:transform .22s var(--ease)}
.review:hover{transform:translateY(-2px)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{width:42px;height:42px;flex:none;background:var(--pine);color:var(--ivory);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:15px;clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px))}
.review-top b{display:block;font-size:14.5px}
.review-top span{font-size:12.5px;color:var(--smoke)}
.stars{display:flex;gap:3px;margin-bottom:10px}
.stars i{width:11px;height:11px;background:var(--mustard);display:block}
.review p{font-size:14.5px;color:#3A3733}
.review time{display:block;margin-top:12px;font-family:var(--mono);font-size:11.5px;color:#9C958A}

/* voice */
.voice{background:var(--pine);color:var(--ivory);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);padding:80px 0}
.voice-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.voice h2{color:var(--ivory)}
.voice-num{font-family:var(--mono);font-size:clamp(3rem,7vw,5rem);line-height:1;letter-spacing:-.05em;color:var(--berry);margin-top:20px}
.voice-num em{font-style:normal;font-size:.32em;color:var(--mustard);margin-left:8px}
.voice-sub{color:rgba(255,252,246,.76);margin-top:12px;font-size:14.5px}
.marquee{overflow:hidden;position:relative;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee + .marquee{margin-top:16px}
.marquee-track{display:flex;gap:14px;width:max-content;animation:scrollLeft 40s linear infinite}
.marquee.rev .marquee-track{animation-name:scrollRight}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{white-space:nowrap;font-size:13.5px;padding:9px 16px;border:1px solid rgba(255,252,246,.28);color:rgba(255,252,246,.92);border-radius:2px}
.marquee-track span::before{content:"◆";color:var(--mustard);font-size:9px;margin-right:8px;vertical-align:middle}
@keyframes scrollLeft{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes scrollRight{from{transform:translateX(-50%)}to{transform:translateX(0)}}

/* news */
.news{display:grid;grid-template-columns:8fr 4fr;gap:44px;align-items:start}
.news-list{display:grid;gap:0}
.news-item{display:grid;grid-template-columns:200px 1fr;gap:22px;padding:24px 0;border-bottom:1px dashed var(--line);align-items:start}
.news-item:first-child{padding-top:0}
.news-item time{font-family:var(--mono);font-size:11.5px;color:var(--smoke);letter-spacing:.05em}
.news-item h3{margin:8px 0 8px}
.news-item p{color:var(--smoke);font-size:14.5px;margin-bottom:12px}
.news-item:hover h3{color:var(--berry)}
.side-block{background:var(--ivory);border:1px solid var(--line);border-radius:3px;padding:24px;box-shadow:var(--shadow);margin-bottom:24px}
.side-block h3{font-size:15px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud span{font-size:12.5px;color:var(--smoke);border:1px solid var(--line);background:var(--paper);padding:4px 10px;border-radius:2px}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.side-list li a{display:block;font-size:14.5px;font-weight:600;line-height:1.5}
.side-list li a:hover{color:var(--berry)}
.side-list li span{display:block;font-size:12px;color:var(--smoke);margin-top:4px;font-family:var(--mono)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step{position:relative}
.step::after{content:"";position:absolute;top:22px;left:52px;right:-24px;height:0;border-top:1px dashed #BDB3A1}
.step:last-child::after{display:none}
.step-num{width:44px;height:44px;background:var(--berry);color:var(--ivory);border:2px solid var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:15px;box-shadow:3px 3px 0 rgba(23,22,26,.2);transition:transform .2s var(--ease);margin-bottom:18px}
.step:hover .step-num{transform:translateY(-3px)}
.step h3{margin-bottom:8px;font-size:16px}
.step p{color:var(--smoke);font-size:14.5px}

/* faq */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side{position:sticky;top:110px}
.faq-side p{color:var(--smoke);margin:14px 0 20px;font-size:15px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:20px 14px 20px 16px;font-weight:700;font-size:15.5px;border-left:3px solid transparent;transition:background .2s,border-color .2s}
.faq-q:hover{background:#F2EADC}
.faq-item.is-open .faq-q{border-left-color:var(--berry);background:#F2EADC}
.plus{position:relative;width:18px;height:18px;flex:none;background:var(--paper);border:1px solid var(--ink);transition:transform .22s var(--ease)}
.plus::before,.plus::after{content:"";position:absolute;background:var(--ink)}
.plus::before{left:3px;right:3px;top:7px;height:2px}
.plus::after{top:3px;bottom:3px;left:7px;width:2px}
.faq-item.is-open .plus{transform:rotate(45deg);background:var(--mustard)}
.faq-a{display:none;padding:0 16px 22px 16px;border-left:3px solid var(--berry)}
.faq-item.is-open .faq-a{display:block}
.faq-a p{font-size:14.5px;color:#3A3733;max-width:56ch}

/* cta */
.cta{position:relative;background:var(--ink) url("/assets/images/df382bb67e9f0e03.jpg") center/cover no-repeat;color:var(--ivory);border-top:2px solid var(--ink);padding:88px 0}
.cta::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,252,246,.06) 1px,transparent 1px);background-size:8px 8px;pointer-events:none}
.cta-in{position:relative;z-index:1}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.cta h2{color:var(--ivory)}
.cta p.lead{color:rgba(255,252,246,.78);margin-top:16px;font-size:15.5px;max-width:40ch}
.cta-mini{display:flex;gap:24px;margin-top:24px;flex-wrap:wrap;font-size:13px;color:rgba(255,252,246,.7);font-family:var(--mono);letter-spacing:.04em}
.cta-form{background:var(--ivory);color:var(--ink);border:2px solid var(--ink);box-shadow:6px 6px 0 rgba(217,74,90,.5);padding:30px;border-radius:3px}
.cta-form h3{font-size:16px;margin-bottom:6px}
.cta-form p.hint{font-size:13px;color:var(--smoke);margin-bottom:22px}
.cta-form .field{border-bottom-color:var(--line);margin-bottom:8px}
.cta-form .field:focus{border-bottom-color:var(--berry)}
.privacy-note{font-size:12.5px;color:var(--smoke);margin-top:14px;line-height:1.6}
.privacy-note a{color:var(--berry);text-decoration:underline}

/* footer */
.footer{background:var(--pine);color:rgba(255,252,246,.8);padding:64px 0 0;border-top:1px solid rgba(255,252,246,.16)}
.footer::before{content:"";display:block;height:1px;background:repeating-linear-gradient(90deg,rgba(255,252,246,.4) 0 4px,transparent 4px 8px);margin:-64px 0 64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer .brand{color:var(--ivory);margin-bottom:16px}
.footer .brand-mark{background:var(--mustard);box-shadow:4px 4px 0 var(--berry)}
.footer p{font-size:14px;line-height:1.8;max-width:32ch}
.footer h4{font-size:14px;color:var(--ivory);margin-bottom:16px;font-family:var(--mono);letter-spacing:.08em;font-weight:600}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer ul a{font-size:14px;color:rgba(255,252,246,.78)}
.footer ul a:hover{color:var(--mustard)}
.footer-bottom{border-top:1px solid rgba(255,252,246,.16);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,252,246,.6);font-family:var(--mono);letter-spacing:.03em}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (max-width:1024px){
  .main-nav{display:none}
  .menu-btn{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .hero{padding-top:56px}
  .hero-grid{grid-template-columns:1fr 1fr;gap:32px}
  .g-f1{grid-template-columns:1fr}
  .g-tabs{grid-template-columns:1fr;gap:22px}
  .tab-col{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px}
  .tab-btn{white-space:nowrap;flex:none;border-left:0;border-bottom:3px solid transparent;padding:10px 16px}
  .tab-btn.is-active{border-left:0;border-bottom-color:var(--berry)}
  .tab-btn.is-active::after{display:none}
  .picks{grid-template-columns:1fr;gap:32px}
  .picks-head{position:static}
  .cases{grid-template-columns:1fr}
  .pricing{grid-template-columns:1fr}
  .news{grid-template-columns:1fr;gap:32px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .voice-grid{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .wall{columns:2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .note.n1,.note.n2{right:auto;left:-8px;font-size:11.5px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .hero{padding-top:44px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-lead{max-width:none}
  .hero-bar ul{grid-template-columns:1fr;gap:14px;padding:20px 0}
  .hero-bar li{justify-content:space-between}
  .scene-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding-bottom:12px;margin:0 -24px;padding-left:24px;padding-right:24px}
  .scene{flex:0 0 84%;scroll-snap-align:start}
  .scroll-hint{display:block}
  .metrics{grid-template-columns:1fr 1fr}
  .metric{border-left:0;border-top:1px solid var(--line);padding:24px 18px}
  .metric:nth-child(odd){border-right:1px solid var(--line)}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0}
  .steps{grid-template-columns:1fr;gap:28px}
  .step::after{top:auto;left:22px;right:auto;bottom:-24px;width:0;height:24px;border-top:0;border-left:1px dashed #BDB3A1}
  .demo-stage{padding:28px 18px}
  .demo-thumbs{justify-content:flex-start;overflow-x:auto;padding-bottom:8px}
  .demo-thumbs .shot{width:150px}
  .note{display:none}
  .wall{columns:1}
  .news-item{grid-template-columns:1fr;gap:14px}
  .pick-row{grid-template-columns:34px 96px 1fr;gap:14px}
  .pick-arrow{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer::before{margin:-64px 0 64px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  h1{font-size:2.15rem}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .trust{gap:14px}
  .card,.f-card,.scene-body,.case-body,.side-block{padding:20px}
  .price-card,.price-card.main{padding:24px 20px}
  .cta-form{padding:22px 18px}
  .scene{flex:0 0 90%}
  .scene-grid{margin:0 -20px;padding-left:20px;padding-right:20px}
  .metrics{grid-template-columns:1fr}
  .metric:nth-child(odd){border-right:0}
  .metric{border-top:1px solid var(--line)}
  .metric:first-child{border-top:0}
  .voice{padding:56px 0}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .marquee-track{animation:none !important}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}

/* roulang page: index */
:root{
  --ink:#1A151E;--paper:#F4EFE6;--card:#FFFDF8;--dark:#17121D;
  --sub:#6F6572;--primary:#C74361;--teal:#2FA79B;--yellow:#D99A2B;
  --line:rgba(26,21,30,.14);
  --r-btn:4px;--r-card:6px;--r-img:4px;--r-tag:2px;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC",system-ui,-apple-system,sans-serif;
  --shadow:0 1px 2px rgba(26,21,30,.08);
  --hard:4px 4px 0 var(--ink);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--primary)}
button{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.25;margin:0}
h1{font-size:clamp(2.6rem,5vw,4.4rem);letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,3vw,2.4rem)}
h3{font-size:1.2rem}
p{margin:0 0 12px}
p:last-child{margin-bottom:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--alt{background:#EFE8DC}
.section--line{border-top:1px solid var(--line)}
.eyebrow{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--sub);margin:0 0 12px;text-transform:uppercase}
.px-block{width:8px;height:8px;background:var(--primary);display:inline-block;flex:0 0 auto}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:36px}
.sec-head .sec-desc{max-width:42ch;color:var(--sub);margin:12px 0 0;font-size:15px}
.sec-head--right{flex-direction:row-reverse}
.sec-head--right .sec-desc{text-align:right}
.sec-link{font-family:var(--mono);font-size:13px;letter-spacing:.06em;border-bottom:1px solid var(--ink);padding-bottom:2px;flex:0 0 auto}
.sec-link:hover{border-color:var(--primary)}
.btn-px{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;background:var(--primary);color:var(--card);border:1px solid var(--ink);border-radius:var(--r-btn);font-size:15px;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s}
.btn-px:hover{color:var(--card);transform:translate(-2px,-2px);box-shadow:3px 3px 0 var(--ink)}
.btn-px:active{transform:none;box-shadow:none}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;background:transparent;color:var(--ink);border:1px solid var(--ink);border-radius:var(--r-btn);font-size:15px;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s}
.btn-ghost:hover{background:var(--card);color:var(--ink);transform:translate(-2px,-2px);box-shadow:3px 3px 0 var(--ink)}
.tag{display:inline-block;padding:2px 8px;font-size:12px;line-height:1.6;border:1px solid var(--line);border-radius:var(--r-tag);color:var(--sub);background:var(--card)}
.tag--primary{border-color:var(--primary);color:var(--primary)}
.tag--teal{border-color:var(--teal);color:var(--teal)}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .26s ease,transform .26s ease}
.reveal.is-in{opacity:1;transform:none}
/* header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(244,239,230,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:19px}
.brand-mark{width:16px;height:16px;background:var(--primary);box-shadow:4px 4px 0 var(--ink);flex:0 0 auto}
.nav-desktop{display:flex;gap:26px;margin-left:auto}
.nav-desktop a{font-size:15px;padding:6px 0;position:relative}
.nav-desktop a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:4px;background:var(--primary);transition:width .2s ease}
.nav-desktop a:hover::after,.nav-desktop a.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:16px}
.search-btn{width:44px;height:44px;display:grid;place-items:center;background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;transition:border-color .18s,background .18s}
.search-btn:hover{border-color:var(--ink);background:var(--card)}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink)}
/* offcanvas */
.offcanvas-px{background:var(--paper);border-left:1px solid var(--ink);width:320px;max-width:88vw}
.offcanvas-px .offcanvas-header{padding:20px 24px;border-bottom:1px solid var(--line)}
.offcanvas-px .offcanvas-body{padding:24px;display:flex;flex-direction:column;gap:8px}
.drawer-link{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:20px}
.drawer-link i{font-family:var(--mono);font-size:12px;font-style:normal;color:var(--sub);letter-spacing:.08em}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:24px}
/* hero */
.hero{position:relative;padding:104px 0 88px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(var(--ink) 1px,transparent 1px);background-size:8px 8px;opacity:.07;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{margin:0 0 20px}
.hero-sub{font-size:17px;color:var(--sub);max-width:34ch;margin-bottom:28px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.hero-trust{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--sub);font-family:var(--mono);letter-spacing:.04em}
.hero-trust li{display:flex;align-items:center;gap:6px}
.hero-trust li::before{content:"";width:6px;height:6px;background:var(--teal);display:inline-block}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.player-card{background:var(--card);border:2px solid var(--ink);border-radius:var(--r-card);box-shadow:var(--hard);overflow:hidden;transition:transform .2s ease}
.player-card:hover{transform:translateY(-4px)}
.player-screen{position:relative;aspect-ratio:16/9;background:#0d0a10;overflow:hidden}
.player-screen img{width:100%;height:100%;object-fit:cover;opacity:.82}
.player-scan{position:absolute;inset:0;background:repeating-linear-gradient(to bottom,rgba(255,255,255,.07) 0 1px,transparent 1px 3px);pointer-events:none}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:62px;height:62px;border:2px solid var(--card);border-radius:4px;background:rgba(199,67,97,.92);display:grid;place-items:center;cursor:pointer}
.play-btn::after{content:"";display:block;width:0;height:0;border-left:16px solid var(--card);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}
.player-corner{position:absolute;top:8px;left:8px;display:flex;gap:6px}
.player-tags{position:absolute;bottom:44px;right:8px;display:flex;gap:6px}
.player-tags span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;padding:2px 6px;background:rgba(23,18,29,.8);color:var(--card);border-radius:2px}
.player-bar{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,253,248,.22)}
.player-bar i{display:block;height:100%;width:42%;background:var(--teal)}
.player-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--sub)}
/* stats */
.stats{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:28px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{font-family:var(--mono);font-size:30px;letter-spacing:-.02em;line-height:1.2}
.stat-num small{font-size:13px;color:var(--sub);margin-left:4px;letter-spacing:.06em}
.stat-label{font-size:14px;color:var(--sub);margin-top:6px}
.stats-note{margin-top:16px;font-size:13px;color:var(--sub);font-family:var(--mono);letter-spacing:.04em}
/* bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bento-lead{grid-column:1;grid-row:1/span 2;background:var(--card);border:2px solid var(--ink);border-radius:var(--r-card);box-shadow:var(--hard);padding:24px;display:flex;flex-direction:column;gap:16px}
.bento-media{border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10}
.bento-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.bento-lead:hover .bento-media img{transform:scale(1.03)}
.bento-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow);transition:border-color .2s,transform .2s}
.bento-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.bento-card--wide{grid-column:2/span 2}
.bento-icon{width:28px;height:28px;border:1px solid var(--ink);border-radius:2px;display:grid;place-items:center;font-family:var(--mono);font-size:12px;margin-bottom:14px;background:var(--paper)}
.bento-card h3{font-size:1.05rem;margin-bottom:8px}
.bento-card p{font-size:14px;color:var(--sub);line-height:1.8}
.bento-lead p{font-size:14px;color:var(--sub)}
/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.num-list{list-style:none;padding:0;margin:28px 0 0}
.num-list li{position:relative;padding:16px 0 16px 56px;border-top:1px solid var(--line)}
.num-list li:last-child{border-bottom:1px solid var(--line)}
.num-list li::before{content:attr(data-n);position:absolute;left:0;top:18px;font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--sub)}
.num-list li::after{content:"";position:absolute;left:0;top:16px;bottom:16px;width:0;background:var(--primary);transition:width .2s ease}
.num-list li:hover::after{width:4px}
.num-list li:hover::before{left:14px;color:var(--primary);transition:left .2s ease,color .2s}
.num-list h3{font-size:1.05rem;margin-bottom:4px}
.num-list p{font-size:14px;color:var(--sub)}
.vshot{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--card);box-shadow:var(--shadow)}
.vshot img{width:100%;aspect-ratio:4/5;object-fit:cover}
/* scenes */
.scene-tabs{display:flex;gap:8px;flex-wrap:wrap;border:0;margin-bottom:28px}
.scene-tabs .nav-link{border:1px solid var(--line);border-radius:var(--r-btn);color:var(--ink);background:var(--card);padding:10px 22px;font-size:15px;min-height:44px}
.scene-tabs .nav-link:hover{border-color:var(--ink)}
.scene-tabs .nav-link.active{background:var(--primary);border-color:var(--ink);color:var(--card)}
.scene-panel{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.scene-img{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;background:var(--card)}
.scene-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.scene-img:hover img{transform:scale(1.03)}
.scene-panel ul{padding-left:18px;margin:12px 0 16px;color:var(--sub);font-size:15px}
.scene-panel ul li{margin-bottom:6px}
.scene-cap{border-left:4px solid var(--teal);padding-left:12px;font-size:14px;color:var(--sub)}
/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow::before{content:"";position:absolute;top:13px;left:0;right:0;height:1px;background:var(--line)}
.flow-step{position:relative;padding-top:40px}
.flow-dot{position:absolute;top:6px;left:0;width:16px;height:16px;background:var(--paper);border:2px solid var(--ink);border-radius:2px}
.flow-step:nth-child(2) .flow-dot{background:var(--primary);border-color:var(--primary)}
.flow-step h3{font-size:1.05rem;margin-bottom:6px}
.flow-step p{font-size:14px;color:var(--sub)}
.flow-step .num{font-family:var(--mono);font-size:12px;color:var(--sub);letter-spacing:.08em;display:block;margin-bottom:4px}
/* demo */
.demo-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:start}
.demo-main{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/9;background:var(--card)}
.demo-main img{width:100%;height:100%;object-fit:cover}
.demo-thumbs{display:grid;gap:12px}
.thumb{border:1px solid var(--line);border-radius:var(--r-btn);overflow:hidden;padding:0;background:var(--card);display:flex;align-items:center;gap:12px;text-align:left;cursor:pointer;transition:border-color .2s,transform .2s}
.thumb:hover{border-color:var(--primary);transform:translateY(-2px)}
.thumb img{width:88px;height:56px;object-fit:cover;flex:0 0 auto}
.thumb span{font-size:13px;color:var(--sub);padding-right:10px}
.demo-notes{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.demo-notes li{border-top:2px solid var(--ink);padding-top:12px;font-size:14px;color:var(--sub)}
.demo-notes b{display:block;color:var(--ink);font-family:var(--serif);font-size:15px;margin-bottom:4px}
/* devices */
.devices-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.devices{position:relative;height:420px;background-image:radial-gradient(var(--ink) 1px,transparent 1px);background-size:8px 8px;opacity:1}
.devices::before{content:"";position:absolute;inset:0;background:var(--paper);opacity:.55}
.dev{position:absolute;border:2px solid var(--ink);border-radius:var(--r-card);overflow:hidden;background:var(--card);box-shadow:var(--hard);opacity:0;transform:translateY(20px);transition:opacity .3s ease,transform .3s ease}
.dev.is-in{opacity:1;transform:translateY(0)}
.dev img{width:100%;height:100%;object-fit:cover}
.dev-desktop{width:70%;aspect-ratio:16/10;left:0;bottom:40px;z-index:1}
.dev-tablet{width:42%;aspect-ratio:4/3;right:16%;bottom:0;z-index:2;transition-delay:.12s}
.dev-phone{width:18%;aspect-ratio:9/19;right:0;bottom:70px;z-index:3;transition-delay:.24s}
.device-points{list-style:none;padding:0;margin:0}
.device-points li{border-top:1px solid var(--line);padding:16px 0}
.device-points b{display:block;font-family:var(--serif);font-size:1.05rem;margin-bottom:4px}
.device-points span{font-size:14px;color:var(--sub)}
/* cases */
.case-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s,transform .2s}
.case-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.case-card .case-img{aspect-ratio:16/9;overflow:hidden}
.case-card .case-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.case-card:hover .case-img img{transform:scale(1.03)}
.case-body{padding:20px}
.case-body h3{font-size:1.05rem;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--sub)}
.case-metrics{display:flex;gap:20px;margin:14px 0 10px;font-family:var(--mono);font-size:13px}
.case-metrics b{display:block;font-size:18px;color:var(--primary)}
.case-metrics em{font-style:normal;color:var(--sub);font-size:12px}
/* plans */
.bill-switch{display:inline-flex;border:1px solid var(--ink);border-radius:var(--r-btn);overflow:hidden}
.bill-btn{background:transparent;border:0;padding:8px 22px;font-size:14px;cursor:pointer;min-height:44px;color:var(--ink)}
.bill-btn.is-on{background:var(--ink);color:var(--paper)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;display:flex;flex-direction:column;position:relative;transition:transform .2s}
.plan:hover{transform:translateY(-2px)}
.plan--feature{background:var(--dark);color:var(--paper);border:2px solid var(--ink);box-shadow:var(--hard)}
.plan--feature .plan-name,.plan--feature .plan-list li,.plan--feature .price-unit{color:rgba(244,239,230,.78)}
.plan--feature .plan-list li{border-color:rgba(244,239,230,.16)}
.plan-flag{position:absolute;top:-12px;right:16px;background:var(--yellow);color:var(--ink);font-family:var(--mono);font-size:11px;letter-spacing:.08em;padding:2px 8px;border:1px solid var(--ink);border-radius:2px}
.plan-name{font-family:var(--serif);font-size:1.15rem;margin-bottom:6px}
.plan-desc{font-size:13px;color:var(--sub);margin-bottom:18px}
.plan--feature .plan-desc{color:rgba(244,239,230,.66)}
.price{display:flex;align-items:baseline;gap:4px;font-family:var(--mono);margin-bottom:20px}
.price-num{font-size:38px;line-height:1;letter-spacing:-.02em}
.price-unit{font-size:13px;color:var(--sub)}
.plan-list{list-style:none;padding:0;margin:0 0 24px;flex:1}
.plan-list li{font-size:14px;padding:10px 0;border-bottom:1px solid var(--line);color:var(--sub)}
.plan-list li::before{content:"▪";color:var(--teal);margin-right:8px}
.plan-note{font-size:12px;color:var(--sub);margin-top:16px;font-family:var(--mono);letter-spacing:.04em}
/* reviews */
.review-wall{columns:3;column-gap:24px;margin-top:36px}
.review{break-inside:avoid;margin-bottom:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;transition:border-color .2s}
.review:hover{border-color:var(--primary)}
.review-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.avatar{width:40px;height:40px;border-radius:2px;border:1px solid var(--line);background:var(--paper);display:grid;place-items:center;font-family:var(--serif);font-size:15px;flex:0 0 auto}
.review-name{font-size:14px;font-weight:600;line-height:1.4}
.review-role{font-size:12px;color:var(--sub);font-family:var(--mono);letter-spacing:.04em}
.stars{font-family:var(--mono);font-size:12px;color:var(--yellow);letter-spacing:.16em;margin-bottom:8px}
.review p{font-size:14px;color:var(--sub);line-height:1.8}
/* dark voices */
.voices{background:var(--dark);color:var(--paper);position:relative;overflow:hidden}
.voices::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(244,239,230,.16) 1px,transparent 1px);background-size:8px 8px;opacity:.5;pointer-events:none}
.voices .container{position:relative}
.voices h2{color:var(--paper)}
.voices .eyebrow{color:rgba(244,239,230,.6)}
.voices-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;margin-top:36px}
.voice-q{border-left:4px solid var(--primary);padding-left:20px;margin-bottom:32px}
.voice-q p{font-family:var(--serif);font-size:1.15rem;line-height:1.9;color:var(--paper)}
.voice-q span{display:block;margin-top:10px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:rgba(244,239,230,.6)}
.voice-stats{display:grid;gap:24px;align-content:start}
.voice-stat{border-top:1px solid rgba(244,239,230,.2);padding-top:12px}
.voice-stat b{display:block;font-family:var(--mono);font-size:32px;line-height:1.2;color:var(--paper)}
.voice-stat span{font-size:13px;color:rgba(244,239,230,.66)}
/* faq */
.accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.accordion-item:last-child{border-bottom:1px solid var(--line)}
.accordion-button{display:flex;align-items:center;gap:14px;background:transparent;border:0;padding:20px 0;font-family:var(--serif);font-size:1.05rem;color:var(--ink);box-shadow:none!important}
.accordion-button:not(.collapsed){color:var(--primary);background:transparent}
.accordion-button::after{display:none}
.accordion-button::before{content:"+";order:-1;flex:0 0 auto;width:24px;height:24px;display:grid;place-items:center;border:1px solid var(--ink);border-radius:2px;font-family:var(--mono);font-size:14px;line-height:1;color:var(--ink);background:var(--card)}
.accordion-button:not(.collapsed)::before{content:"−";background:var(--primary);color:var(--card);border-color:var(--ink)}
.accordion-body{padding:0 0 22px 38px;font-size:15px;color:var(--sub);line-height:1.85}
.collapsing{transition:height .2s ease}
/* news */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:start}
.news-lead{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s}
.news-lead:hover{border-color:var(--primary)}
.news-lead .news-img{aspect-ratio:16/9;overflow:hidden}
.news-lead .news-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-lead:hover .news-img img{transform:scale(1.03)}
.news-lead-body{padding:22px}
.news-lead-body h3{font-size:1.3rem;margin:10px 0}
.news-lead-body p{font-size:14px;color:var(--sub)}
.news-date{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--sub)}
.news-list{list-style:none;padding:0;margin:0}
.news-list li{border-top:1px solid var(--line);padding:16px 0}
.news-list li:last-child{border-bottom:1px solid var(--line)}
.news-list a{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:15px}
.news-list a .nl-title{border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.news-list a:hover .nl-title{border-color:var(--primary);color:var(--primary)}
.news-meta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.news-meta .news-date{font-size:12px}
/* cta */
.cta-panel{position:relative;background:var(--dark);color:var(--paper);border-radius:var(--r-card);overflow:hidden;border:2px solid var(--ink)}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.18;filter:grayscale(1)}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:56px}
.cta-inner h2{color:var(--paper);margin-bottom:20px}
.cta-points{list-style:none;padding:0;margin:0 0 24px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(244,239,230,.82);padding:8px 0}
.cta-points li::before{content:"";width:8px;height:8px;background:var(--primary);flex:0 0 auto;margin-top:11px}
.cta-form{background:var(--card);border:1px solid var(--ink);border-radius:var(--r-card);padding:28px;color:var(--ink)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;margin-bottom:6px;font-family:var(--mono);letter-spacing:.06em;color:var(--sub)}
.field input,.field select{width:100%;height:48px;padding:0 14px;border:1px solid var(--ink);border-radius:var(--r-btn);background:var(--paper);color:var(--ink);font-size:15px;font-family:var(--sans)}
.field input:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}
.form-hint{font-size:12px;color:var(--sub);margin-top:12px;line-height:1.7}
.form-msg{font-size:13px;color:var(--teal);margin-top:10px;display:none}
/* footer */
.site-footer{background:var(--dark);color:rgba(244,239,230,.78);padding:64px 0 32px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background-image:repeating-linear-gradient(to right,var(--primary) 0 8px,transparent 8px 16px)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;color:var(--paper);margin-bottom:14px}
.footer-brand .brand-mark{box-shadow:4px 4px 0 rgba(244,239,230,.5)}
.footer-grid p{font-size:14px;line-height:1.85;color:rgba(244,239,230,.62);max-width:32ch}
.footer-col h4{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:rgba(244,239,230,.5);margin:0 0 14px;font-weight:400}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(244,239,230,.78)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(244,239,230,.16);margin-top:48px;padding-top:20px;font-size:12px;font-family:var(--mono);letter-spacing:.04em;color:rgba(244,239,230,.5)}
.to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;display:grid;place-items:center;background:var(--primary);color:var(--card);border:1px solid var(--ink);border-radius:var(--r-btn);box-shadow:3px 3px 0 var(--ink);cursor:pointer;z-index:1040;font-family:var(--mono);font-size:16px}
.to-top:hover{transform:translate(-2px,-2px)}
/* modal */
.modal-content{border:1px solid var(--ink);border-radius:var(--r-card);background:var(--card);box-shadow:6px 6px 0 var(--ink)}
.modal-header,.modal-footer{border-color:var(--line)}
.modal-title{font-family:var(--serif)}
.modal-close{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--ink);border-radius:2px;background:var(--paper);font-family:var(--mono);font-size:16px;line-height:1;cursor:pointer}
.search-input{width:100%;height:52px;padding:0 16px;border:1px solid var(--ink);border-radius:var(--r-btn);background:var(--paper);font-size:16px}
.hot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
#demoModal .modal-body img{width:100%;border-radius:var(--r-img);border:1px solid var(--line)}
/* responsive */
@media (max-width:1024px){
  .section{padding:72px 0}
  .nav-desktop,.header-actions{display:none}
  .nav-toggle{display:flex}
  .hero{padding:72px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:46ch}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-lead{grid-column:1/-1;grid-row:auto}
  .bento-card--wide{grid-column:1/-1}
  .split,.scene-panel,.demo-grid,.devices-wrap,.news-grid,.voices-grid,.cta-inner{grid-template-columns:1fr;gap:36px}
  .case-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;margin:0 -24px;padding-left:24px;padding-right:24px}
  .case-card{flex:0 0 320px;scroll-snap-align:start}
  .devices{height:340px}
  .review-wall{columns:2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{padding:40px}
  .demo-notes{grid-template-columns:1fr}
}
@media (max-width:768px){
  .section{padding:56px 0}
  h1{font-size:2.3rem}
  h2{font-size:1.7rem}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px}
  .sec-head--right{flex-direction:column;align-items:flex-start}
  .sec-head--right .sec-desc{text-align:left}
  .header-inner{height:64px}
  .brand{font-size:17px}
  .stats{grid-template-columns:1fr 1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0}
  .stats-note{font-size:12px}
  .flow{grid-template-columns:1fr;gap:0}
  .flow::before{left:7px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .flow-step{padding:0 0 28px 36px}
  .flow-dot{top:6px}
  .devices{height:300px}
  .dev-desktop{width:74%}
  .dev-phone{width:22%}
  .review-wall{columns:1}
  .plans{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{padding:28px}
  .btn-px,.btn-ghost{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta a{width:100%}
}
@media (max-width:520px){
  .hero{padding:48px 0 40px}
  .hero::before{display:none}
  .container{padding:0 16px}
  .section{padding:48px 0}
  h1{font-size:2.1rem}
  .player-tags span{font-size:10px}
  .num-list li{padding-left:44px}
  .case-card{flex:0 0 84%}
  .stat-num{font-size:24px}
  .cta-inner{padding:20px}
  .footer-bottom{font-size:11px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal,.dev{opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}