/* ============================================================
   Shopify Integration  (/shopify-integration  =>  View/toonies/Index/shopify_integration.html)
   261030++ 由设计稿 assets/sfy.css 迁入(第二版:新增视频教程 + 灯箱);前缀 sfy-,
   与 dist.css(da-*) / pages.css(.crumb) 搭配。
   与设计稿的差异只有两处,都在文件末尾:
     a) 截图框(.guide-shot)样式原在设计稿的 help.css 里,站内没有这份文件,这里自带一份,
        避免为了三个框再引一份会波及其它选择器的整页样式;
     b) 新增 .sfy-m*「界面小样」,用于截图未就位时占位(替代设计稿的文字占位块)。
   ============================================================ */

.sfy-wrap{overflow:hidden}
.sfy-wrap .container{max-width:1180px}
:root{--sfy-green:#5e8e3e;--sfy-green2:#95bf47}

/* ============================================================
   1. HERO
   ============================================================ */
.sfy-hero{position:relative;color:#fff;isolation:isolate;
  background:linear-gradient(158deg,#0d1420 0%,#10231a 48%,#0b1017 100%)}
.sfy-hero::before{content:"";position:absolute;inset:-20% -10% 0;z-index:-2;
  background:radial-gradient(560px 400px at 84% 2%,rgba(149,191,71,.5),transparent 60%),
             radial-gradient(520px 380px at 6% 100%,rgba(185,31,66,.4),transparent 62%);
  filter:blur(6px);animation:sfyAur 15s ease-in-out infinite alternate}
@keyframes sfyAur{0%{transform:translate3d(0,0,0)}100%{transform:translate3d(3%,-2%,0) scale(1.05)}}
.sfy-hero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.15) 1px,transparent 0);
  background-size:26px 26px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 84%);
          mask-image:linear-gradient(180deg,#000,transparent 84%)}
.sfy-hero-inner{position:relative;padding:74px 0 86px;display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.sfy-hero .da-eyebrow{color:#dcf0bd;background:rgba(149,191,71,.18)}
.sfy-hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem);font-weight:800;line-height:1.08;letter-spacing:-.03em;margin:20px 0 16px;color:#fff}
.sfy-hero h1 em{font-style:normal;background:linear-gradient(90deg,#b5e06a,#ffd0a3);-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.sfy-hero .lead{font-size:1.12rem;line-height:1.7;color:rgba(255,255,255,.82);max-width:520px;margin:0 0 26px}
.sfy-hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.sfy-hero-cta .da-btn.primary{background:var(--sfy-green2);color:#0b2010}
.sfy-hero-cta .da-btn.ghost{color:#fff;border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.07)}
.sfy-hero-cta .da-btn.ghost:hover{background:rgba(255,255,255,.14)}
.sfy-hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;color:rgba(255,255,255,.72);font-size:.9rem;font-weight:500}
.sfy-hero-meta span{display:inline-flex;align-items:center;gap:7px}
.sfy-hero-meta i{color:var(--sfy-green2)}

/* hero flow diagram */
.sfy-flowd{position:relative;display:flex;align-items:center;justify-content:center;gap:0}
.sfy-node{width:118px;height:118px;border-radius:24px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(10px);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:8px;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.35);
  animation:sfyFloat 6s ease-in-out infinite}
.sfy-node:nth-child(3){animation-delay:.9s}
.sfy-node:nth-child(5){animation-delay:1.8s}
@keyframes sfyFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.sfy-node i{font-size:1.9rem}
.sfy-node.shop i{color:var(--sfy-green2)}
.sfy-node.api i{color:#7aa2ff}
.sfy-node.fac i{color:#ff9db6}
.sfy-node b{font-size:.78rem;font-weight:700;color:#fff}
.sfy-node span{font-size:.68rem;color:rgba(255,255,255,.6)}
.sfy-arrow{flex:1;min-width:26px;height:2px;position:relative;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.45) 0 7px,transparent 7px 14px)}
.sfy-arrow i{position:absolute;right:-4px;top:-9px;color:rgba(255,255,255,.6);font-size:1rem}
.sfy-arrow .dot{position:absolute;top:-4px;left:0;width:9px;height:9px;border-radius:50%;background:var(--sfy-green2);
  box-shadow:0 0 12px var(--sfy-green2);animation:sfyRun 3s linear infinite}
@keyframes sfyRun{0%{left:0}100%{left:100%}}

/* ============================================================
   2. PHASES (Connect / Import / Fulfil)
   ============================================================ */
.sfy-phases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sfy-phase{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;
  transition:transform .2s ease,box-shadow .2s ease}
.sfy-phase:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(20,32,43,.1)}
.sfy-phase .pn{position:absolute;top:22px;right:24px;font-size:2.4rem;font-weight:800;color:var(--bg-soft,#eef2f6);line-height:1}
.sfy-phase .ic{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;font-size:1.5rem;color:#fff;margin-bottom:16px}
.sfy-phase:nth-child(1) .ic{background:linear-gradient(135deg,var(--sfy-green),var(--sfy-green2))}
.sfy-phase:nth-child(2) .ic{background:linear-gradient(135deg,#2e6cf6,#5b8dff)}
.sfy-phase:nth-child(3) .ic{background:linear-gradient(135deg,var(--brand),var(--brand-dark))}
.sfy-phase h3{font-size:1.16rem;font-weight:700;color:var(--ink);margin:0 0 8px}
.sfy-phase p{font-size:.94rem;color:var(--muted);line-height:1.6;margin:0}

/* ============================================================
   3. GUIDE (reuses help.css guide-step / guide-shot)
   ============================================================ */
.sfy-guide{max-width:900px;margin:0 auto}
.sfy-stage{display:flex;align-items:center;gap:14px;margin:6px 0 20px}
.sfy-stage .b{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;font-size:1.1rem;color:#fff;flex-shrink:0}
.sfy-stage.s1 .b{background:linear-gradient(135deg,var(--sfy-green),var(--sfy-green2))}
.sfy-stage.s2 .b{background:linear-gradient(135deg,#2e6cf6,#5b8dff)}
.sfy-stage.s3 .b{background:linear-gradient(135deg,var(--brand),var(--brand-dark))}
.sfy-stage h2{font-size:1.3rem;font-weight:800;color:var(--ink);margin:0;letter-spacing:-.01em}
.sfy-stage span{font-size:.82rem;color:var(--muted)}
.sfy-stage .line{flex:1;height:1px;background:var(--line)}

/* ============================================================
   3b. SETUP STEPPER (text, no screenshots)
   ============================================================ */
.sfy-setup{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
@media(max-width:991px){.sfy-setup{grid-template-columns:1fr}}
.sfy-steps{position:relative;padding-left:6px}
.sfy-gh{display:flex;align-items:center;gap:11px;margin:4px 0 12px}
.sfy-gh .b{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:.95rem;color:#fff;flex-shrink:0}
.sfy-gh.s1 .b{background:linear-gradient(135deg,var(--sfy-green),var(--sfy-green2))}
.sfy-gh.s2 .b{background:linear-gradient(135deg,#2e6cf6,#5b8dff)}
.sfy-gh.s3 .b{background:linear-gradient(135deg,var(--brand),var(--brand-dark))}
.sfy-gh h3{font-size:1.02rem;font-weight:800;color:var(--ink);margin:0}
.sfy-gh span{font-size:.76rem;color:var(--muted)}
.sfy-ol{list-style:none;counter-reset:s;margin:0 0 22px;padding:0 0 0 6px;border-left:2px solid var(--line)}
.sfy-ol li{counter-increment:s;position:relative;padding:0 0 16px 28px;font-size:.92rem;color:var(--body);line-height:1.55}
.sfy-ol li::before{content:counter(s);position:absolute;left:-15px;top:-2px;width:26px;height:26px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-soft);color:var(--brand);font-size:.76rem;font-weight:800;
  display:grid;place-items:center}
.sfy-ol li:last-child{padding-bottom:4px}
.sfy-ol li b{color:var(--ink)}
.sfy-ol li .kbd{font-family:Consolas,monospace;font-size:.84em;background:var(--bg-soft,#f5f7fa);border:1px solid var(--line);
  border-radius:5px;padding:1px 6px;color:var(--ink)}

/* "under the hood" explainer cards (fill the left column intelligently) */
.sfy-exp{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px 18px;margin-bottom:12px;
  border-left:3px solid var(--brand)}
.sfy-exp h4{display:flex;align-items:center;gap:9px;font-size:.95rem;font-weight:800;color:var(--ink);margin:0 0 6px}
.sfy-exp h4 i{color:var(--brand)}
.sfy-exp p{margin:0;font-size:.88rem;color:var(--muted);line-height:1.6}
.sfy-exp p b{color:var(--ink)}
.sfy-eps{margin-top:14px}
.sfy-eps .l{display:block;font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
.sfy-eps code{display:inline-block;font-family:Consolas,monospace;font-size:.78rem;color:var(--brand);
  background:var(--brand-soft,#fbecef);border:1px solid rgba(185,31,66,.18);border-radius:7px;padding:5px 10px;margin:0 7px 7px 0}

/* code window */
.sfy-codecol{position:sticky;top:86px}
@media(max-width:991px){.sfy-codecol{position:static}}
.sfy-win{background:#0c1220;border:1px solid rgba(255,255,255,.1);border-radius:14px;overflow:hidden;
  box-shadow:0 24px 54px rgba(0,0,0,.22);margin-bottom:16px;font-family:"SFMono-Regular",Consolas,Menlo,monospace}
.sfy-win-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#131b2c;border-bottom:1px solid rgba(255,255,255,.08)}
.sfy-win-bar .d{width:10px;height:10px;border-radius:50%}
.sfy-win-bar .d.r{background:#ff5f57}.sfy-win-bar .d.y{background:#febc2e}.sfy-win-bar .d.g{background:#28c840}
.sfy-win-bar .fn{margin-left:7px;font-size:.76rem;color:rgba(255,255,255,.52)}
.sfy-win-bar .tagr{margin-left:auto;font-size:.68rem;color:#9ae6b4;background:rgba(18,183,106,.14);
  border:1px solid rgba(18,183,106,.3);border-radius:999px;padding:3px 9px}
.sfy-code{margin:0;padding:16px 18px;font-size:.8rem;line-height:1.7;color:#c8d3e6;white-space:pre;overflow-x:auto}
.sfy-code .c{color:#5b6b86}.sfy-code .k{color:#ff9db6}.sfy-code .s{color:#9ae6b4}.sfy-code .n{color:#f7c873}
.sfy-code .p{color:#7aa2ff}.sfy-code .fn{color:#8be9fd}.sfy-code .m{color:#e8eef7;font-weight:700}

/* ============================================================
   4. CAPABILITIES (reuses da-grid/da-adv) + SYNC LOOP
   ============================================================ */
.sfy-loop{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  background:var(--bg-soft,#f5f7fa);border-radius:var(--radius-lg);padding:38px}
.sfy-loop h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;letter-spacing:-.02em;color:var(--ink);margin:0 0 12px}
.sfy-loop p{color:var(--muted);line-height:1.7;margin:0 0 18px}
.sfy-loop ul{list-style:none;padding:0;margin:0}
.sfy-loop li{display:flex;gap:10px;align-items:flex-start;font-size:.95rem;color:var(--body);padding:7px 0}
.sfy-loop li i{color:var(--sfy-green);margin-top:2px}
.sfy-hub{position:relative;width:100%;max-width:340px;aspect-ratio:1;margin:0 auto}
@keyframes sfySpin{to{transform:rotate(360deg)}}
.sfy-hub .ring{position:absolute;inset:16%;border:2px dashed var(--line);border-radius:50%;animation:sfySpin 22s linear infinite}
.sfy-hub .ring::before{content:"";position:absolute;top:-6px;left:50%;transform:translateX(-50%);width:10px;height:10px;
  border-radius:50%;background:var(--brand);box-shadow:0 0 12px rgba(185,31,66,.6)}
.sfy-hub .hub{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:104px;height:104px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;box-shadow:0 18px 36px rgba(185,31,66,.32);z-index:3}
.sfy-hub .hub i{font-size:1.5rem;animation:sfySpin 6s linear infinite}
.sfy-hub .hub b{font-size:.82rem;font-weight:800;margin-top:3px;line-height:1}
.sfy-hub .hub em{font-style:normal;font-size:.66rem;opacity:.85}
.sfy-hub .node{position:absolute;display:flex;flex-direction:column;align-items:center;gap:3px;background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:9px 11px;box-shadow:0 10px 22px rgba(20,32,43,.1);z-index:2;min-width:84px;
  transition:transform .2s ease,box-shadow .2s ease}
.sfy-hub .node:hover{transform:scale(1.06);box-shadow:0 14px 28px rgba(20,32,43,.16)}
.sfy-hub .node i{font-size:1.1rem}
.sfy-hub .node em{font-style:normal;font-size:.72rem;font-weight:700;color:var(--ink)}
.sfy-hub .node.n{top:0;left:50%;transform:translate(-50%,0)}.sfy-hub .node.n i{color:var(--sfy-green)}
.sfy-hub .node.e{right:0;top:50%;transform:translate(0,-50%)}.sfy-hub .node.e i{color:#2e6cf6}
.sfy-hub .node.s{bottom:0;left:50%;transform:translate(-50%,0)}.sfy-hub .node.s i{color:var(--brand)}
.sfy-hub .node.w{left:0;top:50%;transform:translate(0,-50%)}.sfy-hub .node.w i{color:#f5a623}
.sfy-hub .node.n:hover{transform:translate(-50%,0) scale(1.06)}
.sfy-hub .node.s:hover{transform:translate(-50%,0) scale(1.06)}
.sfy-hub .node.e:hover{transform:translate(0,-50%) scale(1.06)}
.sfy-hub .node.w:hover{transform:translate(0,-50%) scale(1.06)}
@media(max-width:767px){.sfy-loop{grid-template-columns:1fr;gap:30px}.sfy-hub{max-width:300px}}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ============================================================
   4b. PROFIT CALCULATOR (interactive)
   ============================================================ */
.sfy-calc{position:relative;overflow:hidden;border-radius:var(--radius-lg);color:#fff;
  background:radial-gradient(700px 400px at 85% -10%,rgba(149,191,71,.28),transparent 60%),
             linear-gradient(160deg,#0f1720,#141f2c)}
.sfy-calc::before{content:"";position:absolute;inset:0;opacity:.3;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.1) 1px,transparent 0);background-size:26px 26px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000);mask-image:linear-gradient(90deg,transparent,#000)}
.sfy-calc-in{position:relative;display:grid;grid-template-columns:1fr .9fr;gap:40px;padding:38px 40px}
@media(max-width:850px){.sfy-calc-in{grid-template-columns:1fr;gap:28px;padding:30px 24px}}
/* color:#fff 必须显式写:全局 style.css 的 h1-h6{color:var(--ink)} 会盖掉 .sfy-calc 的继承色,
   深色卡片上的标题否则会变成近黑字,几乎看不见 */
.sfy-calc h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;letter-spacing:-.02em;margin:0 0 8px;color:#fff}
.sfy-calc .sub{color:rgba(255,255,255,.72);font-size:.96rem;line-height:1.6;margin:0 0 22px}
.sfy-ctrl{margin-bottom:20px}
.sfy-ctrl .top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}
.sfy-ctrl label{font-size:.9rem;font-weight:600;color:rgba(255,255,255,.88)}
.sfy-ctrl .val{font-size:1.1rem;font-weight:800;color:#b5e06a}
.sfy-range{-webkit-appearance:none;appearance:none;width:100%;height:7px;border-radius:999px;outline:none;
  background:rgba(255,255,255,.16)}
.sfy-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;
  background:#fff;border:4px solid var(--brand);cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.35)}
.sfy-range::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:4px solid var(--brand);cursor:pointer}

/* result card */
.sfy-result{background:#fff;border-radius:16px;padding:26px;color:var(--ink);box-shadow:0 26px 54px rgba(0,0,0,.3);
  display:flex;flex-direction:column;justify-content:center}
.sfy-result .big-l{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.sfy-result .big{font-size:clamp(2.2rem,5vw,3rem);font-weight:800;letter-spacing:-.03em;color:var(--brand);line-height:1;margin:4px 0 2px}
.sfy-result .big small{font-size:1rem;font-weight:700;color:var(--muted)}
.sfy-result .per{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.sfy-split{height:14px;border-radius:999px;overflow:hidden;display:flex;background:var(--bg-soft,#f5f7fa);margin-bottom:8px}
.sfy-split .cost{background:#cbd5e1;height:100%}
.sfy-split .profit{background:linear-gradient(90deg,var(--sfy-green),var(--sfy-green2));height:100%;transition:width .35s ease}
.sfy-split-key{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted)}
.sfy-split-key b{color:var(--ink)}
.sfy-rrow{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-top:1px dashed var(--line);font-size:.9rem}
.sfy-rrow:first-of-type{border-top:0}
.sfy-rrow span{color:var(--body)}.sfy-rrow b{font-weight:800;color:var(--ink)}
.sfy-rrow b.g{color:var(--sfy-green)}
.sfy-calc-note{position:relative;font-size:.78rem;color:rgba(255,255,255,.55);margin:16px 0 0}

/* ============================================================
   5. FUNDS NOTE
   ============================================================ */
.sfy-fund{display:flex;gap:14px;align-items:flex-start;max-width:900px;margin:0 auto;
  background:rgba(245,166,35,.09);border:1px solid rgba(245,166,35,.35);border-left:4px solid #f5a623;
  border-radius:14px;padding:18px 22px}
.sfy-fund i{color:#b9740a;font-size:1.4rem;margin-top:1px;flex-shrink:0}
.sfy-fund b{color:var(--ink)}
.sfy-fund p{margin:4px 0 0;color:var(--muted);font-size:.92rem;line-height:1.6}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:991px){
  .sfy-hero-inner{grid-template-columns:1fr;gap:30px;padding:54px 0 70px}
  .sfy-flowd{margin-top:6px}
  .sfy-phases{grid-template-columns:1fr;max-width:460px;margin:0 auto}
}
@media(max-width:575px){
  .sfy-node{width:92px;height:92px;border-radius:18px}
  .sfy-node i{font-size:1.5rem}
}

/* screenshot column (replaces code windows) */
.sfy-shots .guide-shot{margin:0 0 16px}
.sfy-shots .guide-shot:last-child{margin-bottom:0}

/* 261030++ 有真封面时(给 .sfy-video 加 .has-poster):
   设计稿的封面是 picsum 随机图,所以要整块压到 .42 才不抢标题;换成真截图后正常显示,
   只留底部渐变保证标题/副标题可读。object-fit:contain 是为了不把后台截图裁掉边角。 */
.sfy-video.has-poster img{opacity:1;object-fit:contain;background:#0b1219}
.sfy-video.has-poster .veil{background:linear-gradient(180deg,rgba(8,12,18,.10) 0%,rgba(8,12,18,.16) 40%,rgba(8,12,18,.86) 100%)}

/* 261030++ 播放框暂不接视频时加 .is-idle:保持设计稿的静态外观,但不要装成可点的控件 */
.sfy-video.is-idle{cursor:default}
.sfy-video.is-idle:hover .sfy-play{transform:translate(-50%,-50%)}
/* 播放键那两圈脉冲也停掉:一直闪的按钮会让人以为点得动 */
.sfy-video.is-idle .sfy-play::before,.sfy-video.is-idle .sfy-play::after{animation:none}

/* 灯箱里的 <video>:源片多半不是 16:9,用 contain 居中留黑边,不要拉变形 */
.sfy-lb video{object-fit:contain;background:#000}

/* compact placeholder frames so the two columns balance (real images size naturally) */
.sfy-shots .guide-shot-body{min-height:0}
.sfy-shots .gs-ph{aspect-ratio:auto;height:218px}

/* ============================================================
   VIDEO TUTORIAL
   ============================================================ */
.sfy-vidwrap{position:relative;max-width:940px;margin:0 auto}
.sfy-video{position:relative;display:block;width:100%;border:0;cursor:pointer;border-radius:var(--radius-lg);
  overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#10231a,#141f2c);
  box-shadow:0 34px 80px rgba(0,0,0,.34);isolation:isolate}
.sfy-video::before{content:"";position:absolute;inset:0;top:0;height:4px;z-index:4;
  background:linear-gradient(120deg,var(--sfy-green2),var(--brand),#5b8dff,var(--sfy-green2));background-size:300% 100%;
  animation:crBorder 7s ease infinite}
@keyframes crBorder{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.sfy-video img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.sfy-video .veil{position:absolute;inset:0;z-index:1;
  background:radial-gradient(circle at 50% 42%,rgba(0,0,0,.12),rgba(10,14,20,.72));
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.08) 1px,transparent 0);background-size:26px 26px}
.sfy-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;width:94px;height:94px;border-radius:50%;
  background:rgba(255,255,255,.96);display:grid;place-items:center;color:var(--brand);font-size:2.1rem;
  box-shadow:0 22px 54px rgba(0,0,0,.42);transition:transform .2s ease}
.sfy-play i{margin-left:5px}
.sfy-play::before,.sfy-play::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid rgba(255,255,255,.5)}
.sfy-play::before{animation:sfyPulse 2.6s ease-out infinite}
.sfy-play::after{animation:sfyPulse 2.6s ease-out infinite 1.3s}
@keyframes sfyPulse{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.5);opacity:0}}
.sfy-video:hover .sfy-play{transform:translate(-50%,-50%) scale(1.09)}
.sfy-vbadge{position:absolute;top:18px;left:18px;z-index:3;display:inline-flex;align-items:center;gap:7px;
  background:rgba(149,191,71,.9);color:#0b2010;border-radius:999px;padding:6px 13px;font-size:.78rem;font-weight:800}
.sfy-vdur{position:absolute;top:18px;right:18px;z-index:3;background:rgba(0,0,0,.55);color:#fff;border-radius:999px;
  padding:6px 13px;font-size:.82rem;font-weight:700;display:inline-flex;align-items:center;gap:6px}
.sfy-vcap{position:absolute;left:26px;bottom:24px;right:26px;z-index:3;color:#fff;text-align:left}
.sfy-vcap .t{font-size:clamp(1.1rem,2.4vw,1.5rem);font-weight:800;letter-spacing:-.01em;display:block}
.sfy-vcap .s{font-size:.9rem;color:rgba(255,255,255,.78)}
@media(max-width:575px){.sfy-play{width:72px;height:72px;font-size:1.6rem}.sfy-vcap .s{display:none}}

.sfy-vchaps{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:18px}
.sfy-vchaps span{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px 15px;font-size:.85rem;font-weight:600;color:var(--body)}
.sfy-vchaps span i{width:20px;height:20px;border-radius:50%;background:var(--brand-soft,#fbecef);color:var(--brand);
  display:grid;place-items:center;font-size:.72rem;font-weight:800;font-style:normal}

/* lightbox */
.sfy-lb{position:fixed;inset:0;z-index:5000;display:none;align-items:center;justify-content:center;padding:22px}
.sfy-lb.open{display:flex}
.sfy-lb .back{position:absolute;inset:0;background:rgba(8,10,14,.88);backdrop-filter:blur(5px)}
.sfy-lb .box{position:relative;width:100%;max-width:920px;animation:crBorderNone .3s ease}
.sfy-lb .ratio{position:relative;aspect-ratio:16/9;background:#000;border-radius:14px;overflow:hidden;
  box-shadow:0 44px 100px rgba(0,0,0,.6)}
.sfy-lb iframe,.sfy-lb video{position:absolute;inset:0;width:100%;height:100%;border:0}
.sfy-lb .ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:rgba(255,255,255,.7);background:linear-gradient(135deg,#10231a,#141f2c)}
.sfy-lb .ph i{font-size:2.4rem;color:var(--sfy-green2)}
.sfy-lb .ph b{color:#fff;font-size:1rem}.sfy-lb .ph span{font-size:.82rem}
.sfy-lb .x{position:absolute;top:-46px;right:0;width:38px;height:38px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.15);color:#fff;display:grid;place-items:center;font-size:16px}
.sfy-lb .x:hover{background:rgba(255,255,255,.28)}

/* ============================================================
   6. 截图框(等价设计稿 help.css 的 .guide-shot,站内无此文件,本页自带)
   ============================================================ */
.sfy-shots .guide-shot{border-radius:14px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-md,0 10px 26px rgba(20,32,43,.08));background:#fff}
.guide-shot-top{display:flex;align-items:center;gap:7px;padding:10px 13px;background:var(--bg-soft,#f5f7fa);border-bottom:1px solid var(--line)}
.guide-shot-top span{width:9px;height:9px;border-radius:50%;background:var(--line);flex:0 0 auto}
.guide-shot-top .r1{background:#ff5f56}.guide-shot-top .r2{background:#ffbd2e}.guide-shot-top .r3{background:#27c93f}
.guide-shot-top .url{flex:1 1 auto;width:auto;height:22px;border-radius:20px;background:#fff;border:1px solid var(--line);
  margin-left:7px;display:flex;align-items:center;gap:5px;padding:0 10px;font-size:11px;color:var(--muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.guide-shot-top .url i{font-size:9px}
.guide-shot-body{background:var(--bg-soft,#f5f7fa);padding:13px}
.guide-cap{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);padding:9px 13px;
  border-top:1px solid var(--line);background:#fff}
.guide-cap i{color:var(--brand);flex:0 0 auto}
.guide-cap strong{color:var(--ink);font-weight:700}

/* 截图位未替换成真图时的界面小样(纯 CSS,不依赖图片) */
.sfy-m{display:flex;flex-direction:column;gap:7px}
.sfy-m-row{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:9px;padding:8px 10px;min-height:38px}
.sfy-m-ic{width:24px;height:24px;border-radius:6px;display:grid;place-items:center;flex:0 0 auto;
  background:#eaf5e4;color:#4c7a33;font-size:11px}
.sfy-m-ic.b{background:#e8effe;color:#2e6cf6}
.sfy-m-ic.p{background:#fbecef;color:var(--brand)}
.sfy-m-b{flex:1 1 auto;min-width:0;display:block}
.sfy-m-t{display:block;font-size:11.5px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sfy-m-s{display:block;font-size:10.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sfy-m-tag{flex:0 0 auto;font-size:9.5px;font-weight:800;letter-spacing:.03em;border-radius:999px;padding:2px 7px;
  background:#eaf5e4;color:#3f6b2b;white-space:nowrap}
.sfy-m-tag.b{background:#e8effe;color:#2559c9}
.sfy-m-tag.g{background:#f1f4f8;color:#64748b}
.sfy-m-thumb{width:24px;height:24px;border-radius:6px;flex:0 0 auto;
  background:linear-gradient(135deg,#dfe7ef,#c9d5e2)}
.sfy-m-search{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 10px;font-size:10.5px;color:var(--muted);margin-bottom:1px}
.sfy-m-search i{color:#94a3b8}
.sfy-m-bar{height:6px;border-radius:999px;background:#e6ecf3;overflow:hidden}
.sfy-m-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--sfy-green),var(--sfy-green2))}
