/* ============================================================
   泄漏宝·声瞳 产品官网  黑黄工业风(与品牌海报一致)
   index.html / service.html 共用样式
   ============================================================ */
:root{
  --y:#ffc20e; --yd:#e6ac00;
  --k:#0a0a0a; --k2:#161616; --k3:#262626;
  --w:#ffffff; --g50:#fafafa; --g100:#f4f4f4; --g300:#d8d8d8;
  --g500:#8a8a8a; --g700:#5a5a5a;
  --deep:#0d1b2a; --deep2:#16222f;
  --maxw:1280px;
  --font:'Noto Sans SC','Source Han Sans CN','Microsoft YaHei','PingFang SC',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:var(--font);color:var(--k);background:var(--g100);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
section{padding:88px 0}
.en{font-size:13px;letter-spacing:4px;font-weight:600;color:var(--g500);text-transform:uppercase}

/* 通用区块标题(海报风格:黄方块+中文+英文) */
.sec-hd{display:flex;align-items:baseline;gap:16px;margin-bottom:14px}
.sec-hd .dot{width:14px;height:14px;background:var(--y);flex-shrink:0;transform:translateY(1px)}
.sec-hd h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;letter-spacing:2px}
.sec-hd .en{font-size:15px}
.sec-sub{color:var(--g700);font-size:16px;max-width:760px;margin-bottom:44px}
.on-dark .sec-hd h2{color:var(--w)}
.on-dark .sec-hd .en{color:var(--y)}
.on-dark .sec-sub{color:#b8b8b8}

/* ============ 顶部导航 ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:900;background:rgba(10,10,10,.92);backdrop-filter:blur(10px);border-bottom:3px solid var(--y)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:0 32px;height:68px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;color:var(--w)}
.brand img{width:40px;height:40px;object-fit:contain}
.brand .t1{font-size:18px;font-weight:800;letter-spacing:1px;line-height:1.1}
.brand .t2{font-size:10px;letter-spacing:3px;color:var(--y);font-weight:600}
.nav-links{margin-left:auto;display:flex;gap:4px}
.nav-links a{color:#d5d5d5;font-size:14.5px;font-weight:600;padding:8px 14px;letter-spacing:1px;transition:color .2s}
.nav-links a:hover{color:var(--y)}
.nav-cta{background:var(--y);color:var(--k)!important;font-weight:800;padding:8px 20px!important;margin-left:8px}
.nav-cta:hover{background:var(--yd)}
.burger{display:none;margin-left:auto;background:none;border:none;color:var(--w);font-size:24px;cursor:pointer}

/* ============ HERO(重设计:斜切黄块+声波环+真实机房底图) ============ */
.hero{position:relative;min-height:94vh;display:flex;align-items:center;color:var(--w);overflow:hidden;background:var(--deep)}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34;filter:saturate(.85)}
.hero-bg::after{content:'';position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(8,14,22,.97) 0%,rgba(8,14,22,.88) 40%,rgba(8,14,22,.45) 75%,rgba(8,14,22,.7) 100%)}
.hero-grid-lines{position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,194,14,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,194,14,.06) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none}
/* 斜切黄块 */
.hero-slash{position:absolute;top:0;right:0;bottom:0;width:46%;pointer-events:none;
  background:linear-gradient(160deg,rgba(255,194,14,.16) 0%,rgba(255,194,14,.05) 55%,transparent 100%);
  clip-path:polygon(28% 0,100% 0,100% 100%,0 100%)}
.hero-slash::before{content:'';position:absolute;top:0;bottom:0;left:27.5%;width:3px;background:var(--y);opacity:.85;transform:skewX(-9.5deg);transform-origin:top}
/* 声波同心环 */
.sono{position:absolute;border-radius:50%;border:1px solid rgba(255,194,14,.28);pointer-events:none;animation:sono 5s ease-out infinite}
.sono.s1{width:340px;height:340px;right:12%;top:16%}
.sono.s2{width:340px;height:340px;right:12%;top:16%;animation-delay:1.6s}
.sono.s3{width:340px;height:340px;right:12%;top:16%;animation-delay:3.2s}
@keyframes sono{0%{transform:scale(.45);opacity:0}25%{opacity:.9}100%{transform:scale(1.5);opacity:0}}
.hero-in{position:relative;z-index:2;width:100%;padding:150px 0 90px}
.hero-tag{display:inline-block;background:var(--y);color:var(--k);font-weight:800;font-size:13px;letter-spacing:3px;padding:6px 16px;margin-bottom:26px;clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%)}
.hero h1{font-size:clamp(34px,5vw,62px);font-weight:900;letter-spacing:2px;line-height:1.18}
.hero h1 .y{color:var(--y)}
.hero .sub-en{color:#9fb0c0;letter-spacing:5px;font-size:14px;margin-top:14px;font-weight:600}
.hero p.lead{margin-top:22px;max-width:560px;color:#cfd6dd;font-size:17px}
.hero-cta{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:2px;font-size:16px;padding:15px 34px;transition:all .2s;cursor:pointer;border:none}
.btn-y{background:var(--y);color:var(--k)}
.btn-y:hover{background:var(--yd);transform:translateY(-2px)}
.btn-o{border:2px solid rgba(255,255,255,.5);color:var(--w);background:transparent}
.btn-o:hover{border-color:var(--y);color:var(--y)}
.hero-metrics{display:flex;gap:0;margin-top:60px;border-top:1px solid rgba(255,255,255,.16);max-width:860px;flex-wrap:wrap}
.hero-metrics .m{padding:22px 36px 4px 0;margin-right:36px;border-right:1px solid rgba(255,255,255,.14)}
.hero-metrics .m:last-child{border-right:none}
.hero-metrics .num{font-size:40px;font-weight:900;color:var(--y);letter-spacing:-1px;line-height:1.1;font-variant-numeric:tabular-nums}
.hero-metrics .num small{font-size:17px;font-weight:700}
.hero-metrics .lab{font-size:13.5px;color:#aab4bd;letter-spacing:1.5px;margin-top:4px}
.hero-devices{position:absolute;right:3%;bottom:0;z-index:1;display:flex;align-items:flex-end;gap:26px}
.hero-devices img{filter:drop-shadow(0 24px 40px rgba(0,0,0,.65))}
.hero-devices .d1{height:55vh;max-height:520px}
.hero-devices .d2{height:33vh;max-height:310px}
/* 角标装饰 */
.frame-corner{position:absolute;width:26px;height:26px;border-color:var(--y);border-style:solid;opacity:.9;z-index:3}
.fc-tl{top:88px;left:26px;border-width:3px 0 0 3px}
.fc-br{bottom:26px;right:26px;border-width:0 3px 3px 0}

/* ============ 痛点数据带 ============ */
.pain{background:var(--k);color:var(--w);padding:72px 0}
.pain .flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:40px}
.pain .node{background:var(--k2);border:1px solid var(--k3);border-top:4px solid var(--y);padding:20px 18px}
.pain .node .pct{font-size:30px;font-weight:900;color:var(--y);line-height:1.1}
.pain .node .nm{font-size:14.5px;color:#cfcfcf;margin-top:8px;line-height:1.4}
.pain .node.hot{background:var(--y);border-color:var(--y)}
.pain .node.hot .pct,.pain .node.hot .nm{color:var(--k)}
.pain-quote{margin-top:38px}
.pain-quote .big{font-size:clamp(19px,2.3vw,27px);font-weight:800;letter-spacing:1px}
.pain-quote .big em{color:var(--y);font-style:normal}

/* ============ 产品中心(Tab 切换) ============ */
.prods{background:var(--w)}
.prod-tabs{display:flex;margin-bottom:0;border:2px solid var(--k)}
.prod-tabs button{flex:1;padding:20px 16px;font-size:clamp(15px,1.6vw,19px);font-weight:800;letter-spacing:2px;background:var(--w);color:var(--k);border:none;cursor:pointer;transition:all .25s;display:flex;align-items:center;justify-content:center;gap:12px}
.prod-tabs button .en{font-size:11px;color:var(--g500);letter-spacing:3px}
.prod-tabs button.on{background:var(--k);color:var(--y)}
.prod-tabs button.on .en{color:#999}
.prod-tabs button:not(.on):hover{background:var(--g100)}
.prod-panel{display:none;border:2px solid var(--k);border-top:none;background:var(--g50)}
.prod-panel.active{display:block;animation:panelIn .5s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.panel-in{padding:44px 44px 48px}

.prod-head{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.prod-img-box{position:relative;background:
  radial-gradient(ellipse at 32% 38%,rgba(255,194,14,.14) 0%,transparent 62%),
  linear-gradient(135deg,var(--deep) 0%,var(--deep2) 55%,var(--deep) 100%);
  padding:44px;display:flex;align-items:center;justify-content:center;min-height:430px;overflow:hidden}
.prod-img-box::before{content:'';position:absolute;top:-70px;right:-70px;width:230px;height:230px;background:var(--y);transform:rotate(45deg);opacity:.92}
.prod-img-box::after{content:'';position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,194,14,.08) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,194,14,.08) 1px,transparent 1px);background-size:44px 44px}
.prod-img-box img{max-height:400px;width:auto;position:relative;z-index:2;filter:drop-shadow(0 22px 34px rgba(0,0,0,.55));transition:transform .4s}
.prod-img-box:hover img{transform:translateY(-6px)}
.prod-img-box .model-tag{position:absolute;top:20px;left:20px;background:var(--k);color:var(--y);padding:6px 14px;font-size:13px;font-weight:800;letter-spacing:3px;z-index:3}
.prod-badge{display:inline-block;background:var(--k);color:var(--y);font-size:12.5px;font-weight:800;letter-spacing:3px;padding:5px 14px;margin-bottom:16px}
.prod-info h3{font-size:clamp(23px,2.6vw,32px);font-weight:900;letter-spacing:1.5px}
.prod-info .md{color:var(--g500);letter-spacing:3px;font-size:14px;margin-top:6px;font-weight:600}
.prod-info .desc{margin-top:16px;color:var(--g700);font-size:15.5px}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;margin-top:24px}
.feat-grid .f{display:flex;gap:11px;align-items:flex-start}
.feat-grid .f .ic{width:32px;height:32px;background:var(--y);color:var(--k);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;flex-shrink:0}
.feat-grid .f .nm{font-weight:800;font-size:15px}
.feat-grid .f .ds{font-size:12.5px;color:var(--g700);line-height:1.4}

/* 参数动画滚动带 */
.stats-band{margin-top:44px;background:var(--k);color:var(--w);display:grid;grid-template-columns:repeat(5,1fr);position:relative;overflow:hidden}
.stats-band::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--y)}
.stats-band .st{padding:26px 20px 22px;border-right:1px solid var(--k3);position:relative}
.stats-band .st:last-child{border-right:none}
.stats-band .st .v{font-size:clamp(26px,2.6vw,38px);font-weight:900;color:var(--y);line-height:1.05;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.stats-band .st .v small{font-size:15px;font-weight:700}
.stats-band .st .k{font-size:12.5px;color:#a9b3bc;letter-spacing:1.5px;margin-top:6px}
.stats-band .st::after{content:'';position:absolute;left:20px;bottom:14px;width:26px;height:3px;background:var(--y);opacity:.55}

/* 产品详情子区块 */
.prod-detail{margin-top:48px;display:grid;gap:44px}
.sub-h{display:flex;align-items:baseline;gap:12px;margin-bottom:20px}
.sub-h::before{content:'';width:10px;height:10px;background:var(--k)}
.sub-h h4{font-size:20px;font-weight:800;letter-spacing:2px}
.sub-h .en{font-size:12px}

/* 介绍视频(设计感:双描边框+角标) */
.video-block{display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center}
.video-shell{position:relative;background:var(--k);cursor:pointer;overflow:visible}
.video-shell::before{content:'';position:absolute;inset:-10px;border:1px solid var(--g300);pointer-events:none}
.video-shell::after{content:'';position:absolute;top:-10px;left:-10px;width:34px;height:34px;border:4px solid var(--y);border-right:none;border-bottom:none;pointer-events:none}
.video-frame{position:relative;overflow:hidden;box-shadow:0 18px 44px rgba(0,0,0,.28)}
.video-shell video{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.video-shell .veil{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(0deg,rgba(10,10,10,.55),rgba(10,10,10,.12));transition:opacity .25s}
.video-shell .veil.hide{opacity:0;pointer-events:none}
.video-shell .playbtn{width:84px;height:84px;border-radius:50%;background:var(--y);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(255,194,14,.45);transition:transform .2s;position:relative}
.video-shell .playbtn::after{content:'';position:absolute;inset:-10px;border-radius:50%;border:1px solid rgba(255,194,14,.6);animation:sono 2.6s ease-out infinite}
.video-shell:hover .playbtn{transform:scale(1.08)}
.video-shell .playbtn svg{margin-left:6px}
.video-shell .vtitle{position:absolute;left:0;bottom:-10px;transform:translateY(100%);background:var(--k);color:var(--y);font-weight:800;letter-spacing:2px;font-size:14px;padding:8px 18px;z-index:2}
.video-shell .rec{position:absolute;top:14px;right:14px;z-index:3;background:rgba(10,10,10,.7);color:#fff;font-size:11px;letter-spacing:2px;padding:4px 12px;display:flex;align-items:center;gap:7px}
.video-shell .rec i{width:8px;height:8px;border-radius:50%;background:#ff3b30;animation:blink 1.2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}
.video-side .row{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed var(--g300);align-items:flex-start}
.video-side .row:last-child{border:none}
.video-side .sq{width:8px;height:8px;background:var(--y);flex-shrink:0;margin-top:8px}
.video-side b{font-size:15px}
.video-side p{font-size:13px;color:var(--g700)}

/* 技术细节卡 */
.tech-cards{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.tech-card{display:grid;grid-template-columns:180px 1fr;gap:18px;border:1px solid var(--g300);background:var(--w);padding:16px;align-items:center;transition:box-shadow .25s,transform .25s}
.tech-card:hover{box-shadow:0 14px 34px rgba(0,0,0,.1);transform:translateY(-3px)}
.tech-card .im{background:var(--g50);border:1px solid var(--g300);height:140px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.tech-card .im img{max-height:92%;max-width:92%;object-fit:contain}
.tech-card .lb{display:inline-block;background:var(--k);color:var(--y);padding:2px 10px;font-size:11.5px;font-weight:800;letter-spacing:3px;margin-bottom:8px}
.tech-card h5{font-size:17px;font-weight:800;margin-bottom:6px}
.tech-card p{font-size:13.5px;color:var(--g700);line-height:1.5}
.spec3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.spec3 .c{background:var(--k);color:var(--w);padding:20px 22px;position:relative;overflow:hidden}
.spec3 .c::before{content:'';position:absolute;top:0;left:0;right:0;height:5px;background:var(--y)}
.spec3 .tag{color:var(--y);font-size:12px;font-weight:800;letter-spacing:4px;margin:4px 0 6px}
.spec3 h5{font-size:18px;font-weight:800;margin-bottom:10px}
.spec3 li{font-size:13px;color:#d8d8d8;line-height:1.4;padding:6px 0 6px 15px;position:relative;border-bottom:1px dashed rgba(255,255,255,.12)}
.spec3 li:last-child{border:none}
.spec3 li::before{content:'▸';position:absolute;left:0;color:var(--y);font-weight:900}
.spec3 li b{color:#fff}

/* 配件 + 对比表 并排 */
.kit-cmp{display:grid;grid-template-columns:1.08fr .92fr;gap:26px;align-items:stretch}
.kit-block{background:var(--y);padding:28px;position:relative;overflow:hidden;display:flex;flex-direction:column}
.kit-block::after{content:'';position:absolute;inset:0;background-image:
  linear-gradient(rgba(0,0,0,.07) 1px,transparent 1px),
  linear-gradient(90deg,rgba(0,0,0,.07) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.kit-block .imgs{display:flex;gap:10px;align-items:center;justify-content:center;position:relative;z-index:1;margin-bottom:20px;min-height:170px}
.kit-block .imgs img{max-height:190px;max-width:48%;object-fit:contain;filter:drop-shadow(0 12px 22px rgba(0,0,0,.3))}
.kit-block .sub-h,.kit-block .kit-list{position:relative;z-index:1}
.kit-block .sub-h h4{color:var(--k)}
.kit-block .sub-h::before{background:var(--k)}
.kit-block .sub-h .en{color:rgba(0,0,0,.55)}
.kit-list{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.kit-list .it{background:var(--k);color:var(--w);padding:10px 12px;display:flex;gap:10px;align-items:center}
.kit-list .no{width:26px;height:26px;background:var(--y);color:var(--k);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;flex-shrink:0}
.kit-list .na{font-weight:800;font-size:13.5px}
.kit-list .sp{font-size:11px;color:#b0b0b0}
.cmp-side{background:var(--w);border:1px solid var(--g300);padding:28px;display:flex;flex-direction:column}
.cmp-side .cmp-wrap{flex:1;display:flex;flex-direction:column;justify-content:center}
.cmp-wrap{overflow-x:auto}
table.cmp{width:100%;border-collapse:collapse;font-size:14px;min-width:420px}
table.cmp th,table.cmp td{padding:10px 14px;text-align:left}
table.cmp th{font-weight:800;letter-spacing:1px;white-space:nowrap}
table.cmp th.hl{background:var(--k);color:var(--y)}
table.cmp th.m1{background:var(--k2);color:#ddd}
table.cmp th.m2{background:var(--y);color:var(--k)}
table.cmp th.m2::after{content:' ★'}
table.cmp td.lb{background:var(--g100);font-weight:700;white-space:nowrap}
table.cmp td{border-bottom:1px solid #e8e8e8;color:#222;font-weight:600}
table.cmp td.only{background:var(--y);color:var(--k);font-weight:900}
table.cmp td.c{text-align:center}

/* ============ 应用场景 ============ */
.apps{background:var(--k);color:var(--w)}
.apps .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.apps .cell{background:var(--k2);border:1px solid var(--k3);border-left:5px solid var(--y);padding:20px 18px;transition:transform .2s,background .2s}
.apps .cell:hover{transform:translateY(-4px);background:#1e1e1e}
.apps .cell .ic{color:var(--y);font-size:22px;font-weight:900;line-height:1;margin-bottom:10px}
.apps .cell .nm{font-size:17px;font-weight:800;letter-spacing:1px}
.apps .cell .ds{font-size:12.5px;color:#a8a8a8;margin-top:4px;line-height:1.45}
.scene-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:36px}
.scene-strip figure{position:relative;overflow:hidden;height:200px}
.scene-strip img{width:100%;height:100%;object-fit:cover;transition:transform .5s;filter:saturate(.92)}
.scene-strip figure::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,10,10,.55) 0%,transparent 45%)}
.scene-strip figure:hover img{transform:scale(1.06)}
.scene-strip figcaption{position:absolute;left:0;bottom:0;z-index:2;background:rgba(10,10,10,.85);color:var(--y);font-size:12.5px;font-weight:700;letter-spacing:2px;padding:6px 14px;border-left:3px solid var(--y)}

/* ============ 节约成本 ============ */
.saving{background:var(--w)}
.saving .grid{display:grid;grid-template-columns:1fr 1.35fr;gap:24px;align-items:stretch}
.saving .lead{background:var(--y);padding:36px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center}
.saving .lead::before{content:'';position:absolute;top:-56px;right:-56px;width:190px;height:190px;background:var(--k);transform:rotate(45deg);opacity:.92}
.saving .kpi{font-size:clamp(52px,6vw,76px);font-weight:900;line-height:1;letter-spacing:-2px}
.saving .kpi small{font-size:30px}
.saving .kpi-lab{font-weight:800;letter-spacing:2px;margin-top:10px}
.saving .kpi-sub{font-size:13px;color:rgba(0,0,0,.62);margin-top:8px}
.saving .cards{display:grid;gap:14px}
.saving .card{background:var(--g50);border:1px solid var(--g300);border-left:5px solid var(--k);padding:18px 22px;display:flex;gap:18px;align-items:center}
.saving .card .n{font-size:38px;font-weight:900;min-width:104px;letter-spacing:-1px}
.saving .card .n small{font-size:16px;color:var(--g700)}
.saving .card b{font-size:15.5px;display:block;margin-bottom:3px}
.saving .card p{font-size:13px;color:var(--g700);line-height:1.45}

/* ============ 客户见证(文字品牌墙) ============ */
.clients{background:var(--g100);padding:88px 0 72px;overflow:hidden}
.marquee{overflow:hidden;margin-bottom:14px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee .track{display:flex;gap:14px;width:max-content;animation:mq 46s linear infinite}
.marquee .track.rev{animation:mqr 52s linear infinite}
.marquee:hover .track{animation-play-state:paused}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes mqr{from{transform:translateX(-50%)}to{transform:translateX(0)}}
.cli{background:var(--w);border:1px solid var(--g300);border-bottom:4px solid var(--y);
  color:#3a3a3a;font-size:21px;font-weight:900;letter-spacing:3px;
  padding:20px 40px;white-space:nowrap;user-select:none;transition:all .2s}
.cli:hover{color:var(--k);background:var(--y);border-color:var(--y)}
.clients-note{text-align:center;color:var(--g500);font-size:13.5px;letter-spacing:1px;margin-top:30px}

/* ============ 现场实拍(手机框播放窗) ============ */
.reels{background:radial-gradient(ellipse at 50% 0%,#1d2836 0%,var(--deep) 55%,#0a141f 100%);color:var(--w);overflow:hidden}
.reels .stage{display:grid;grid-template-columns:1fr auto 1fr;gap:36px;align-items:center;margin-top:8px}
.phone{width:300px;height:600px;background:#000;border-radius:44px;padding:12px;position:relative;box-shadow:0 40px 90px rgba(0,0,0,.6),0 0 0 2px #333,inset 0 0 0 2px #222;justify-self:center}
.phone .notch{position:absolute;top:12px;left:50%;transform:translateX(-50%);width:120px;height:26px;background:#000;border-radius:0 0 16px 16px;z-index:5}
.phone .screen{width:100%;height:100%;border-radius:34px;overflow:hidden;position:relative;background:#111}
.phone video{width:100%;height:100%;object-fit:cover;cursor:pointer}
.phone .ticks{position:absolute;top:14px;left:12px;right:12px;display:flex;gap:5px;z-index:6}
.phone .ticks i{flex:1;height:3px;background:rgba(255,255,255,.28);border-radius:2px;overflow:hidden;position:relative}
.phone .ticks i em{position:absolute;inset:0;background:var(--y);transform:scaleX(0);transform-origin:left}
.phone .ticks i.done em{transform:scaleX(1)}
.phone .ticks i.cur em{animation:tickfill linear forwards}
@keyframes tickfill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.phone .vlabel{position:absolute;left:16px;bottom:44px;right:16px;z-index:6;pointer-events:none;text-shadow:0 2px 10px rgba(0,0,0,.8)}
.phone .vlabel b{font-size:16.5px;letter-spacing:1px;display:block}
.phone .vlabel span{font-size:12.5px;color:#ddd}
.phone .vlabel .tag{display:inline-block;background:var(--y);color:var(--k);font-size:10.5px;font-weight:800;letter-spacing:2px;padding:2px 8px;margin-bottom:8px}
.phone .bigplay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:5;background:rgba(0,0,0,.25);cursor:pointer;transition:opacity .2s}
.phone .bigplay.hide{opacity:0;pointer-events:none}
.phone .bigplay .c{width:64px;height:64px;border-radius:50%;background:rgba(255,194,14,.94);display:flex;align-items:center;justify-content:center}
.phone .mutebtn{position:absolute;right:14px;bottom:16px;z-index:7;width:38px;height:38px;border-radius:50%;background:rgba(10,10,10,.65);border:1px solid rgba(255,255,255,.3);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.phone .tap-l,.phone .tap-r{position:absolute;top:0;bottom:0;width:32%;z-index:4;cursor:pointer}
.phone .tap-l{left:0}.phone .tap-r{right:0}
.reel-list{display:flex;flex-direction:column;gap:10px;max-height:600px;overflow:auto;padding-right:6px;scrollbar-width:thin;scrollbar-color:var(--y) #222}
.reel-list .it{display:flex;gap:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);padding:9px;cursor:pointer;align-items:center;transition:all .2s;flex-shrink:0}
.reel-list .it:hover{background:rgba(255,194,14,.12)}
.reel-list .it.on{border-color:var(--y);background:rgba(255,194,14,.14)}
.reel-list .th{width:52px;height:88px;object-fit:cover;flex-shrink:0}
.reel-list .tt b{font-size:14px;display:block;letter-spacing:.5px}
.reel-list .tt span{font-size:11.5px;color:#9fb0c0}
.reel-list .it.on .tt b{color:var(--y)}
.reels-note{font-size:13px;color:#8d99a5;margin-top:18px;text-align:center}
.reel-ctrl{display:flex;gap:10px;justify-content:center;margin-top:22px}
.reel-ctrl button{background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;width:44px;height:44px;border-radius:50%;cursor:pointer;font-size:17px;transition:all .2s}
.reel-ctrl button:hover{border-color:var(--y);color:var(--y)}
.reels-cap{align-self:center}
.reels-cap .kpi{font-size:clamp(34px,4vw,50px);font-weight:900;color:var(--y);line-height:1.05}
.reels-cap h3{font-size:24px;font-weight:800;margin:14px 0 10px;letter-spacing:2px}
.reels-cap p{color:#b9c4cd;font-size:14.5px;max-width:300px}

/* ============ 免费试用/租赁 ============ */
.trial{background:var(--k);color:var(--w);position:relative;overflow:hidden}
.trial::after{content:'';position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,194,14,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,194,14,.05) 1px,transparent 1px);background-size:52px 52px;pointer-events:none}
.trial .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:1}
.trial-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}
.trial-steps .s{background:var(--k2);border:1px solid var(--k3);border-top:4px solid var(--y);padding:18px 14px;text-align:center}
.trial-steps .big{font-size:30px;font-weight:900;color:var(--y);line-height:1.1}
.trial-steps .big small{font-size:14px}
.trial-steps .t{font-size:13.5px;font-weight:800;margin-top:8px}
.trial-steps .d{font-size:11.5px;color:#a8a8a8;margin-top:4px}
.trial h3{font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:2px}
.trial h3 em{color:var(--y);font-style:normal}
.trial .lead2{color:#c7cfd6;font-size:15px;margin-top:14px;max-width:520px}
.trial-kit{background:var(--w);color:var(--k);padding:32px;position:relative}
.trial-kit::before{content:'';position:absolute;top:0;left:0;right:0;height:6px;background:var(--y)}
.trial-kit h4{font-size:18px;font-weight:800;letter-spacing:2px;margin-bottom:16px}
.trial-kit li{display:flex;gap:10px;padding:8px 0;border-bottom:1px dashed var(--g300);font-size:14px;align-items:flex-start}
.trial-kit li:last-child{border:none}
.trial-kit li .sq{width:8px;height:8px;background:var(--y);flex-shrink:0;margin-top:8px}
.trial-kit .note{margin-top:14px;background:var(--g100);padding:12px 16px;font-size:12.5px;color:var(--g700)}
.trial-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}

/* ============ 检测服务(独立页) ============ */
.page-hero{background:var(--deep);color:var(--w);padding:170px 0 80px;position:relative;overflow:hidden}
.page-hero::after{content:'';position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,194,14,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,194,14,.06) 1px,transparent 1px);background-size:56px 56px}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-size:clamp(30px,4vw,48px);font-weight:900;letter-spacing:2px;margin-top:16px}
.page-hero .sub{color:#b9c4cd;max-width:640px;margin-top:16px;font-size:16px}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:56px}
.svc-grid .c{background:var(--w);border:1px solid var(--g300);border-top:5px solid var(--y);padding:24px 20px}
.svc-grid .no{font-size:13px;font-weight:900;color:var(--yd);letter-spacing:2px}
.svc-grid .nm{font-size:17.5px;font-weight:800;margin:8px 0 6px}
.svc-grid .ds{font-size:13px;color:var(--g700)}
.svc-cols{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
.svc-idea{background:var(--k);color:var(--w);padding:34px;position:relative}
.svc-idea::before{content:'';position:absolute;top:0;left:0;right:0;height:5px;background:var(--y)}
.svc-idea h4{color:var(--y);font-size:20px;letter-spacing:2px;margin-bottom:14px}
.svc-idea p{font-size:14.5px;color:#cfcfcf;line-height:1.75}
.svc-idea .bill{margin-top:20px;background:var(--k2);border:1px dashed var(--k3);padding:16px 20px;font-size:14px}
.svc-idea .bill b{color:var(--y);font-size:22px;font-weight:900}
.price-cards{display:grid;gap:14px}
.price-card{background:var(--w);border:1px solid var(--g300);padding:20px 22px;border-left:5px solid var(--y)}
.price-card h5{font-size:16.5px;font-weight:800;margin-bottom:8px}
.price-card h5 .tag{background:var(--k);color:var(--y);font-size:11px;padding:2px 10px;letter-spacing:2px;margin-right:10px}
.price-card li{font-size:13.5px;color:#333;padding:4px 0 4px 16px;position:relative}
.price-card li::before{content:'▸';position:absolute;left:0;color:var(--yd);font-weight:900}
.price-card .free{margin-top:10px;font-size:13px;font-weight:800;color:var(--k);background:var(--g100);padding:8px 12px;display:inline-block}
.faq{margin-top:56px}
.faq .item{background:var(--w);border:1px solid var(--g300);margin-bottom:10px}
.faq .q{padding:18px 22px;font-weight:800;font-size:15.5px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;user-select:none}
.faq .q::after{content:'+';font-size:22px;color:var(--yd);font-weight:900;transition:transform .25s}
.faq .item.open .q::after{transform:rotate(45deg)}
.faq .a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq .a p{padding:0 22px 18px;font-size:14px;color:var(--g700)}

/* ============ 公司/联系 ============ */
.about{background:var(--w)}
.about .grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.about-stats .s{border:1px solid var(--g300);border-top:4px solid var(--y);padding:16px 14px;background:var(--g50)}
.about-stats .n{font-size:26px;font-weight:900}
.about-stats .n small{font-size:14px;color:var(--g700)}
.about-stats .l{font-size:12.5px;color:var(--g700);margin-top:4px}
.about .photo{position:relative}
.about .photo img{width:100%;height:340px;object-fit:cover}
.about .photo::after{content:'';position:absolute;inset:0;border:1px solid var(--g300)}

.footer{background:var(--k);color:#b9b9b9;padding:64px 0 0;position:relative}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:6px;background:var(--y)}
.footer .grid{display:grid;grid-template-columns:1.3fr 1fr auto;gap:44px}
.footer h5{color:var(--w);font-size:17px;font-weight:800;letter-spacing:2px;margin-bottom:16px}
.footer .c-item{font-size:13.5px;padding:4px 0}
.footer .c-item b{color:var(--y);font-weight:600;margin-right:8px;letter-spacing:1px}
.footer .qrbox{display:flex;gap:18px}
.footer .qrbox figure{text-align:center}
.footer .qrbox img{width:104px;height:104px;background:#fff;padding:6px;object-fit:contain}
.footer .qrbox figcaption{font-size:11.5px;margin-top:8px;color:#999}
.footer .copy{border-top:1px solid var(--k3);margin-top:48px;padding:20px 0;text-align:center;font-size:12.5px;color:#777;letter-spacing:1px}

/* 回到顶部 */
#toTop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;background:var(--y);color:var(--k);border:none;font-size:20px;font-weight:900;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .25s;z-index:800;box-shadow:0 8px 20px rgba(0,0,0,.3)}
#toTop.show{opacity:1;pointer-events:auto}

/* 服务页过程图 / 页脚下载链接 */
.process-img{background:var(--w);border:1px solid var(--g300);border-top:5px solid var(--y);padding:24px;display:flex;justify-content:center}
.process-img img{max-height:520px;width:auto;max-width:100%}
.footer .c-item a{color:#d5d5d5;transition:color .2s}
.footer .c-item a:hover{color:var(--y)}
.footer .dl{color:var(--y);font-size:12px;font-weight:700}

/* 滚动显现 */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media(max-width:1080px){
  .hero-devices,.sono,.hero-slash{display:none}
  .prod-head,.video-block,.saving .grid,.svc-cols,.trial .grid,.about .grid,.kit-cmp{grid-template-columns:1fr}
  .apps .grid{grid-template-columns:repeat(2,1fr)}
  .scene-strip{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .pain .flow{grid-template-columns:repeat(2,1fr)}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .stats-band .st{border-bottom:1px solid var(--k3)}
  .reels .stage{grid-template-columns:1fr}
  .reel-list{flex-direction:row;max-height:none;overflow-x:auto;padding-bottom:8px}
  .reel-list .it{min-width:200px}
  .reels-cap{text-align:center}
  .reels-cap p{margin:0 auto}
  .about-stats{grid-template-columns:repeat(2,1fr)}
  .spec3{grid-template-columns:1fr}
  .panel-in{padding:26px 18px 34px}
}
@media(max-width:720px){
  section{padding:60px 0}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--k);flex-direction:column;padding:14px 24px 22px;gap:2px}
  .nav-links.open{display:flex}
  .burger{display:block}
  .feat-grid,.tech-cards,.kit-list,.trial-steps{grid-template-columns:1fr}
  .tech-card{grid-template-columns:1fr}
  .phone{width:270px;height:540px}
  .hero-metrics .m{padding-right:20px;margin-right:20px}
  .footer .grid{grid-template-columns:1fr}
  .prod-tabs button{flex-direction:column;gap:2px;padding:14px 8px}
}

/* ============================================================
   暗色工业主题覆盖(全站深色底 + 品牌黄点缀)
   ============================================================ */
:root{--bg:#0b0e12;--bg2:#10151b;--card:#151a21;--line:#242c37;--txt:#e8eaed;--mut:#93a0ab}
body{background:var(--bg);color:var(--txt)}
.sec-hd h2{color:#f4f5f7}
.sec-sub{color:#98a2ad}
.sub-h::before{background:var(--y)}
.sub-h h4{color:#f0f1f3}
.sub-h .en{color:#6f7a86}

/* 产品中心 */
.prods{background:var(--bg2)}
.prod-tabs{border-color:var(--line)}
.prod-tabs button{background:#0e1218;color:#c7cdd4}
.prod-tabs button .en{color:#5f6974}
.prod-tabs button.on{background:var(--y);color:var(--k)}
.prod-tabs button.on .en{color:rgba(0,0,0,.55)}
.prod-tabs button:not(.on):hover{background:#171d26}
.prod-panel{background:var(--bg2);border-color:var(--line)}
.prod-panel.active{animation:jelly .75s}
@keyframes jelly{0%{opacity:0;transform:scale(.94,1.05)}32%{opacity:1;transform:scale(1.025,.975)}52%{transform:scale(.988,1.01)}72%{transform:scale(1.006,.997)}100%{opacity:1;transform:scale(1,1)}}
.prod-info h3{color:#fff}
.prod-info .desc{color:#a3adb8}
.feat-grid .f .nm{color:var(--txt)}
.feat-grid .f .ds{color:#8f99a4}
.stats-band{border:1px solid var(--line)}
.video-side .row{border-color:#2a323d}
.video-side b{color:var(--txt)}
.video-side p{color:#8f99a4}
.video-shell::before{border-color:var(--line)}
.tech-card{background:var(--card);border-color:var(--line)}
.tech-card:hover{box-shadow:0 14px 34px rgba(0,0,0,.45)}
.tech-card .im{background:#0f1319;border-color:var(--line)}
.tech-card h5{color:#fff}
.tech-card p{color:var(--mut)}
.cmp-side{background:#12161d;border-color:var(--line)}
table.cmp td.lb{background:#1a2029;color:#dde2e8}
table.cmp td{border-color:#222a34;color:#c3cad2}

/* 详情四格轮播 */
.dswitch{margin-top:48px}
.dtabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.dtabs button{position:relative;padding:13px 26px;background:var(--card);border:1px solid var(--line);color:#98a2ad;font-size:15px;font-weight:800;letter-spacing:2px;cursor:pointer;overflow:hidden;transition:all .2s;font-family:var(--font)}
.dtabs button:hover{color:#fff;border-color:#3a4452}
.dtabs button.on{background:var(--y);color:var(--k);border-color:var(--y)}
.dtabs button .bar{position:absolute;left:0;bottom:0;height:3px;background:rgba(10,10,10,.45);width:0;display:block}
.dtabs button.on .bar{animation:dbar 6s linear forwards}
@keyframes dbar{from{width:0}to{width:100%}}
.dpanel{display:none}
.dpanel.on{display:block;animation:dfade .5s ease}
@keyframes dfade{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* 成本(痛点+节约 一行两列) */
.cost-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:start}
.ebars{display:grid;gap:13px;margin-top:34px}
.ebar{display:grid;grid-template-columns:148px 1fr 96px;gap:14px;align-items:center}
.ebar .lb{font-size:13.5px;color:#b9c0c8;text-align:right;letter-spacing:.5px}
.ebar .track{height:24px;background:#1a2029;position:relative;overflow:hidden}
.ebar .fill{height:100%;width:0;background:linear-gradient(90deg,#39434f,#4d5966);transition:width 1.3s cubic-bezier(.22,.61,.36,1)}
.ebar.in .fill{width:var(--w)}
.ebar.hot .fill{background:linear-gradient(90deg,var(--yd),var(--y))}
.ebar .pv{font-weight:900;font-size:17px;color:#dde2e8;font-variant-numeric:tabular-nums}
.ebar.hot .pv{color:var(--y)}
.cost-right .saving-lead{margin-top:34px}
.cost-cards{display:grid;gap:12px;margin-top:14px}

/* 节约成本 / 关于 / 客户墙 暗色 */
.saving{background:var(--bg)}
.saving .card{background:#12161d;border-color:var(--line);border-left-color:var(--y)}
.saving .card .n{color:#fff}
.saving .card b{color:var(--txt)}
.saving .card p{color:#8f99a4}
.about{background:var(--bg)}
.about-stats .s{background:#12161d;border-color:var(--line)}
.about-stats .n{color:#fff}
.about-stats .l{color:#8f99a4}
.about .photo::after{border-color:var(--line)}
.clients{background:var(--bg2)}
.cli{background:var(--card);border-color:var(--line);border-bottom-color:var(--y);color:#c9d0d8}
.cli:hover{color:var(--k);background:var(--y)}
.clients-note{color:#6f7a86}

/* 服务页暗色 */
.service{background:var(--bg)}
.svc-grid .c{background:#12161d;border-color:var(--line)}
.svc-grid .nm{color:#fff}
.svc-grid .ds{color:#8f99a4}
.process-img{background:#12161d;border-color:var(--line)}
.price-card{background:#12161d;border-color:var(--line)}
.price-card h5{color:#fff}
.price-card li{color:#c3cad2}
.price-card .free{background:#1c232c;color:var(--txt)}
.faq .item{background:#12161d;border-color:var(--line)}
.faq .q{color:var(--txt)}
.faq .a p{color:#8f99a4}

@media(max-width:1080px){
  .cost-grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  .ebar{grid-template-columns:110px 1fr 76px}
  .dtabs button{flex:1;padding:12px 8px;font-size:13.5px}
}

/* ============ 关于琪云:白底 ============ */
.about{background:#fff}
.about .sec-hd h2{color:var(--k)}
.about .sec-sub{color:var(--g700)}
.about-stats .s{background:var(--g50);border-color:var(--g300)}
.about-stats .n{color:var(--k)}
.about-stats .l{color:var(--g700)}
.about .photo img{height:auto;object-fit:contain}
.about .photo::after{content:none}

/* ============ 技术细节图框:白底 ============ */
.tech-card .im{background:#fff;border-color:var(--g300)}

/* ============ 联系/试用落地页 ============ */
.cpage-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start}
.cinfo .row{display:flex;gap:18px;padding:15px 0;border-bottom:1px dashed var(--line);align-items:baseline}
.cinfo .row:last-child{border-bottom:none}
.cinfo .k{color:var(--y);font-weight:700;min-width:92px;letter-spacing:2px;font-size:13.5px;flex-shrink:0}
.cinfo .v{color:var(--txt);font-size:16.5px;font-weight:600}
.cinfo .v small{color:#8f99a4;font-weight:400;font-size:13px;margin-left:8px}
.dl-cards{margin-top:36px}
.dl-card{display:flex;justify-content:space-between;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);border-left:5px solid var(--y);padding:18px 22px;margin-bottom:12px;transition:transform .2s,border-color .2s}
.dl-card:hover{transform:translateX(5px);border-color:var(--y)}
.dl-card b{color:#fff;font-size:15.5px;letter-spacing:.5px}
.dl-card .meta{color:#8f99a4;font-size:12.5px;display:block;margin-top:3px}
.dl-card .btn-dl{background:var(--y);color:var(--k);font-weight:800;padding:9px 20px;font-size:13px;letter-spacing:2px;flex-shrink:0}
.dl-card:hover .btn-dl{background:var(--yd)}
.qr-big{background:var(--card);border:1px solid var(--line);border-top:5px solid var(--y);padding:32px;display:flex;gap:28px;justify-content:center}
.qr-big figure{text-align:center}
.qr-big img{width:152px;height:152px;background:#fff;padding:8px;object-fit:contain}
.qr-big figcaption{margin-top:12px;color:var(--txt);font-weight:800;font-size:14.5px;letter-spacing:2px}
.qr-big p{color:#8f99a4;font-size:12.5px;margin-top:4px}
.trial-mini{margin-top:24px;background:var(--k);border:1px solid var(--line);padding:22px 26px}
.trial-mini .r{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px dashed var(--k3);font-size:14px}
.trial-mini .r:last-child{border:none}
.trial-mini .r span{color:#a9b3bc}
.trial-mini .r b{color:var(--y);font-size:16px}
@media(max-width:1080px){.cpage-grid{grid-template-columns:1fr}}

/* ============ 配件栏:左图右清单(紧凑) ============ */
.kit-block{flex-direction:row;align-items:center;gap:30px}
.kit-block .imgs{margin-bottom:0;min-height:0;flex:0 0 44%}
.kit-block .imgs img{max-height:230px}
.kit-block .kit-list{flex:1}
@media(max-width:1080px){
  .kit-block{flex-direction:column}
  .kit-block .imgs{flex:none}
}

/* ============ 泄漏管理过程(服务页) ============ */
.process{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.pstep{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--y);padding:24px 26px;position:relative;transition:transform .2s}
.pstep:hover{transform:translateY(-4px)}
.pstep .no{font-size:12.5px;color:var(--yd);font-weight:900;letter-spacing:3px}
.pstep .t{font-size:20px;font-weight:800;color:#fff;margin:8px 0 6px;letter-spacing:2px}
.pstep .d{font-size:13px;color:#8f99a4;line-height:1.5}
.pstep:not(:last-child)::after{content:'▸';position:absolute;right:-19px;top:50%;transform:translateY(-50%);color:var(--y);font-size:26px;font-weight:900;z-index:2}
@media(max-width:720px){
  .process{grid-template-columns:1fr}
  .pstep:not(:last-child)::after{content:'▾';right:50%;top:auto;bottom:-22px;transform:translateX(50%)}
}

/* ============ Hero 产品图加大 ============ */
.hero-devices{right:4%}
.hero-devices .d1{height:66vh;max-height:640px}
.hero-devices .d2{height:41vh;max-height:400px}
@media(max-width:1400px){
  .hero-devices .d1{height:58vh}
  .hero-devices .d2{height:36vh}
}

/* ============ 现场实拍:视频左移双栏 ============ */
.reels .stage{grid-template-columns:auto 1fr;justify-content:start;gap:56px}
.phone-col{display:flex;flex-direction:column;align-items:center}
.phone-col .reels-note{max-width:340px;font-size:12.5px;color:#8d99a5;margin-top:18px;text-align:center;line-height:1.7}
.phone-col .reel-ctrl{margin-top:18px}
.reels .reel-list{max-height:640px}
@media(max-width:1080px){
  .reels .stage{grid-template-columns:1fr;justify-content:stretch}
  .phone-col{order:1}
  .reels .reel-list{order:2}
}

/* 现场实拍:手机与片单顶部对齐 */
.reels .stage{align-items:start}
.reels .reel-list{max-height:calc(600px + 96px)}
@media(max-width:720px){
  .reels .reel-list{max-height:none}
}

/* 手机框加大 */
.phone{width:340px;height:680px}
.reels .reel-list{max-height:calc(680px + 96px)}
@media(max-width:720px){
  .phone{width:280px;height:560px}
  .reels .reel-list{max-height:none}
}

/* 免费试用标题不换行 */
.trial .sec-hd h2{white-space:nowrap;font-size:clamp(24px,2.6vw,34px)}

/* ============ 现场实拍:三栏居中(手机|控制|片单) ============ */
.reels .stage{display:flex;justify-content:center;align-items:stretch;gap:40px}
.reel-mid{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:22px;width:230px;flex-shrink:0}
.reel-mid .reel-ctrl{display:flex;flex-direction:column;gap:14px;margin-top:0}
.reel-mid .reel-ctrl button{width:46px;height:46px;font-size:17px}
.reel-mid .reels-note{margin-top:0;font-size:12.5px;color:#8d99a5;text-align:center;line-height:1.8}
.reel-mid .reels-note.dim{color:#5f6b77;font-size:12px}
/* 片单精致化:与手机同宽同高 */
.reels .reel-list{width:340px;max-height:680px;gap:8px;padding-right:4px}
.reel-list .it{padding:7px 10px;gap:10px;border-radius:3px}
.reel-list .th{width:40px;height:66px;border-radius:2px}
.reel-list .tt b{font-size:13px}
.reel-list .tt span{font-size:11px}
@media(max-width:1080px){
  .reels .stage{flex-direction:column;align-items:center}
  .reel-mid{width:100%;max-width:340px}
  .reel-mid .reel-ctrl{flex-direction:row}
  .reels .reel-list{width:100%;max-height:none;flex-direction:row;overflow-x:auto}
  .reel-list .it{min-width:170px}
}

/* ============ 现场实拍:手机与片单并拢,控制栏置底 ============ */
.reels .stage{gap:16px}
.reel-bottom{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:26px}
.reel-bottom .reel-ctrl{margin-top:0}
.reel-bottom .reels-note{margin-top:0;font-size:12.5px;color:#8d99a5;text-align:center}
.reel-bottom .reels-note.dim{color:#5f6b77;font-size:12px}
@media(max-width:1080px){
  .reels .stage{gap:16px}
}

/* ============ 现场实拍:左大字 / 中手机 / 右片单 ============ */
.reels .stage{display:grid;grid-template-columns:1fr auto 1fr;gap:44px;align-items:center}
.reels-cap{align-self:center}
.reels-cap .cap-en{color:var(--y);letter-spacing:4px;font-size:12px;font-weight:700;margin-bottom:20px}
.big-words{display:flex;flex-direction:column;gap:8px}
.big-words span{font-size:clamp(28px,2.9vw,40px);font-weight:900;letter-spacing:5px;line-height:1.18;color:#fff}
.big-words span.y{color:var(--y)}
.big-words span.o{color:transparent;-webkit-text-stroke:1.5px #5a6673}
.reels-cap .cap-desc{margin-top:20px;color:#9fb0c0;font-size:14px;letter-spacing:1px}
.reels-cap .reel-ctrl{justify-content:flex-start;margin-top:26px}
.reels-cap .reels-note{text-align:left;margin-top:16px;font-size:12px;color:#5f6b77}
.reels .reel-list{justify-self:end}
@media(max-width:1080px){
  .reels .stage{grid-template-columns:1fr;justify-items:center}
  .reels-cap{text-align:center}
  .big-words{align-items:center}
  .reels-cap .reel-ctrl{justify-content:center}
  .reels-cap .reels-note{text-align:center}
  .reels .reel-list{justify-self:stretch}
}