/* ============================================================
   FishToon Ai 官网 · 暗夜首映厅主题 v20261011
   深墨青底 / 鎏金字 / 胶片质感 / 玻璃拟态 / 绯红点睛
   ============================================================ */
:root{
  --ink0:#070f13;
  --ink1:#0b171d;
  --ink2:#0f2028;
  --ink3:#152a33;
  --cream:#f4edda;
  --cream-2:#d8d2bf;
  --dim:#93a69d;
  --dim-2:#6c817a;
  --gold:#e9b95c;
  --gold-2:#f7dc95;
  --gold-deep:#c08a2d;
  --red:#ff6148;
  --red-deep:#d8402e;
  --lime:#c6e14f;
  --line:rgba(238,226,199,.12);
  --line-soft:rgba(238,226,199,.07);
  --glass:rgba(244,237,218,.035);
  --glass-2:rgba(244,237,218,.06);
  --shadow:0 30px 80px -32px rgba(0,0,0,.8);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"Cascadia Mono",Consolas,"Courier New",monospace;
  --nav-h:76px;
  font-family:var(--font);
  letter-spacing:.01em;
  color:var(--cream);
  background:var(--ink0);
  font-size:15px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 26px);background:var(--ink0)}
body{margin:0;position:relative;overflow-x:clip}
body.locked{overflow:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
img{display:block;max-width:100%}
code{font-family:var(--mono);font-size:.92em;background:rgba(244,237,218,.08);border:1px solid var(--line-soft);border-radius:6px;padding:2px 7px;color:var(--gold-2)}
::selection{background:#e9b95c45;color:var(--gold-2)}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-thumb{background:#233b44;border-radius:8px;border:3px solid var(--ink0)}
::-webkit-scrollbar-thumb:hover{background:#31505c}
::-webkit-scrollbar-track{background:var(--ink0)}

/* ---------- 全局氛围：极光 + 胶片颗粒 ---------- */
.aurora{position:fixed;inset:0;z-index:-2;pointer-events:none;background:
  linear-gradient(180deg,rgba(21,42,51,.42),transparent 24%),
  radial-gradient(120% 70% at 50% 0%,rgba(26,52,62,.3),transparent 58%)}
.grain{position:fixed;inset:-100px;z-index:60;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E")}

/* ---------- 进场动画 ---------- */
.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.65,.2,1),transform .8s cubic-bezier(.2,.65,.2,1);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- 顶栏 ---------- */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:71;height:var(--nav-h);padding:0 max(5vw,24px);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  border-bottom:1px solid transparent;transition:background .35s,border-color .35s}
.site-nav.scrolled{background:rgba(7,15,19,.78);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:var(--line-soft)}
.site-brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:750;color:var(--cream);letter-spacing:.02em;white-space:nowrap}
.site-brand img{width:34px;height:34px;object-fit:contain;border-radius:8px;box-shadow:0 4px 18px -4px rgba(0,0,0,.6)}
.site-brand b{color:var(--gold);font-weight:800}
.site-brand em{font-style:normal;font-size:10px;font-weight:600;letter-spacing:.14em;padding:3px 7px;border:1px solid var(--line);border-radius:99px;color:var(--dim);align-self:center}
.site-nav>div{display:flex;align-items:center;gap:34px;font-size:13px;color:var(--dim)}
.site-nav>div>a{position:relative;padding:6px 0;transition:color .25s}
.site-nav>div>a:hover{color:var(--cream)}
.site-nav>div>a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:right .3s}
.site-nav>div>a:hover::after{right:0}
.nav-cta{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:9px;font-size:13px;font-weight:700;letter-spacing:.02em;color:#fff8ec!important;background:#d8402e;box-shadow:0 6px 18px -8px rgba(216,64,46,.6);transition:background .2s,transform .2s}
.nav-cta:hover{background:#ea5238;transform:translateY(-1px)}
.nav-cta::after{display:none}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--glass);cursor:pointer;padding:0;position:relative;z-index:71}
.burger span{display:block;width:18px;height:1.8px;margin:4.2px auto;background:var(--cream);border-radius:2px;transition:transform .3s,opacity .3s}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mnav{position:fixed;inset:0;z-index:70;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:90px 9vw 60px;overflow:auto;
  background:rgba(7,15,19,.92);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.mnav.open{opacity:1;visibility:visible}
.mnav>a{font-size:27px;font-weight:700;color:var(--cream);padding:13px 0;border-bottom:1px solid var(--line-soft);display:flex;justify-content:space-between;align-items:center}
.mnav>a small{font-family:var(--mono);font-size:10px;color:var(--dim-2);letter-spacing:.16em}
.mnav>a.nav-cta{justify-content:center;margin-top:22px;border-bottom:0;font-size:16px}

/* ---------- HERO：首映之夜 ---------- */
.hero{position:relative;min-height:max(92svh,620px);display:flex;flex-direction:column;justify-content:center;overflow:hidden;isolation:isolate;padding:calc(var(--nav-h) + 40px) max(6vw,28px) 0}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 45%;animation:kenburns 26s ease-in-out infinite alternate;filter:saturate(1.12) contrast(1.03) brightness(.94)}
@keyframes kenburns{from{transform:scale(1.07) translateY(-1.4%)}to{transform:scale(1.17) translateY(1.6%)}}
.hero-veil{position:absolute;inset:0;z-index:-1;background:
  linear-gradient(90deg,rgba(6,13,17,.93) 0%,rgba(6,13,17,.72) 34%,rgba(6,13,17,.28) 62%,rgba(6,13,17,.45) 100%),
  linear-gradient(0deg,var(--ink0) 2%,rgba(7,15,19,.5) 22%,transparent 52%),
  linear-gradient(180deg,rgba(7,15,19,.75) 0%,transparent 26%)}
.hero-veil::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 42%,transparent 55%,rgba(5,10,13,.55) 100%)}
.hero-inner{max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--gold);margin-bottom:26px}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.hero h1{font-size:clamp(46px,7.6vw,96px);line-height:1.12;font-weight:800;letter-spacing:.015em;text-wrap:balance}
.hero h1 .film{color:var(--gold-2)}
.hero-lede{margin-top:26px;font-size:clamp(14px,1.35vw,17px);line-height:2;color:var(--cream-2);max-width:560px}
.hero-lede b{color:var(--cream);font-weight:650}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:38px}
.btn-main{display:inline-flex;align-items:center;gap:10px;padding:17px 32px;border-radius:10px;font-size:15px;font-weight:700;letter-spacing:.02em;color:#fff8ec;background:#d8402e;box-shadow:0 10px 26px -10px rgba(216,64,46,.65);transition:background .2s,transform .2s}
.btn-main:hover{background:#ea5238;transform:translateY(-2px)}
.btn-ghost{display:inline-flex;align-items:center;gap:10px;padding:16px 26px;border-radius:10px;font-size:14px;font-weight:550;color:var(--cream);border:1px solid rgba(238,226,199,.25);transition:border-color .2s,transform .2s}
.btn-ghost:hover{border-color:rgba(238,226,199,.6);transform:translateY(-2px)}
.hero-platforms{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:8px;border:1px solid var(--line-soft);background:rgba(7,15,19,.4);font-size:11.5px;color:var(--dim)}

/* ---------- 通用段落 ---------- */
.section{position:relative;padding:clamp(72px,9vw,128px) max(6vw,28px)}
.section-head{max-width:720px;margin-bottom:clamp(38px,5vw,64px)}
.eyebrow.dark{color:var(--gold);margin-bottom:18px}
.section-head h2{font-size:clamp(30px,4.4vw,52px);line-height:1.28;font-weight:750;letter-spacing:.012em;text-wrap:balance}
.section-head h2 .gold{color:#e3c07c}
.section-head p{margin-top:20px;font-size:13.5px;line-height:2.1;color:var(--dim);max-width:600px}
.section-head p a,.text-link{color:var(--gold);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(233,185,92,.4)}
.section-head p a:hover,.text-link:hover{color:var(--gold-2)}

/* ---------- 数据条 ---------- */
.stats-wrap{padding:0 max(6vw,28px);margin-top:-2px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);max-width:1360px;margin:0 auto;border:1px solid var(--line-soft);border-radius:var(--r-md);background:rgba(15,32,40,.35);overflow:hidden}
.stat{padding:30px 26px 26px;border-left:1px solid var(--line-soft);position:relative}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:var(--mono);font-size:clamp(26px,2.6vw,38px);font-weight:700;color:#e0c187;letter-spacing:.02em}
.stat b small{font-size:.45em;color:#b99b63;margin-left:3px;font-weight:600}
.stat span{display:block;margin-top:9px;font-size:11.5px;color:var(--dim);letter-spacing:.06em}

/* ---------- 制作流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{position:relative;padding:30px 26px 28px;border:1px solid var(--line-soft);border-radius:var(--r-md);background:var(--glass);overflow:hidden;transition:transform .3s,border-color .3s}
.step:hover{transform:translateY(-4px);border-color:var(--line)}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;right:14px;top:2px;font-family:var(--mono);font-size:64px;font-weight:700;color:transparent;-webkit-text-stroke:1px rgba(238,226,199,.11);pointer-events:none}
.step:hover::before{-webkit-text-stroke:1px rgba(238,226,199,.2)}
.step-icon{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;color:#d9b877;border:1px solid var(--line);margin-bottom:20px}
.step-icon svg{width:22px;height:22px}
.step h3{font-size:17px;font-weight:700;color:var(--cream)}
.step h3 small{display:block;font-family:var(--mono);font-size:9.5px;font-weight:500;letter-spacing:.24em;color:var(--dim-2);margin-bottom:9px}
.step p{margin-top:12px;font-size:12.5px;line-height:1.95;color:var(--dim)}

/* ---------- 功能特性 ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{padding:30px 26px;border:1px solid var(--line-soft);border-radius:var(--r-md);background:var(--glass);transition:transform .3s,border-color .3s}
.feature:hover{transform:translateY(-4px);border-color:var(--line)}
.feature-icon{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;color:#d9b877;border:1px solid var(--line);margin-bottom:20px}
.feature-icon svg{width:21px;height:21px}
.feature h3{font-size:16px;font-weight:700}
.feature p{margin-top:11px;font-size:12.5px;line-height:1.95;color:var(--dim)}

/* ---------- 胶片拽片：原创示例 ---------- */
.frames-section{padding:clamp(64px,8vw,110px) 0;overflow:hidden}
.reel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:0 max(6vw,28px);margin-bottom:30px}
.reel-head h2{font-size:clamp(26px,3.6vw,42px);font-weight:750}
.reel-head p{font-size:12.5px;color:var(--dim);margin-top:12px;line-height:2}
.film-reel{position:relative;background:linear-gradient(180deg,#0d1b21,#0a161b);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:26px 0}
.sprocket{display:block;height:18px;margin:0 6px;background-image:radial-gradient(7px 5px at center,rgba(5,10,13,.9) 98%,transparent);background-size:34px 12px;background-repeat:repeat-x;background-position:center;opacity:.85}
.film-frames{display:flex;gap:16px;overflow-x:auto;padding:22px max(6vw,28px);scroll-snap-type:x mandatory;scrollbar-width:none}
.film-frames::-webkit-scrollbar{display:none}
.frame{flex:0 0 auto;width:clamp(300px,31vw,440px);scroll-snap-align:center}
.frame figure{margin:0;position:relative;border-radius:12px;overflow:hidden;border:1px solid rgba(238,226,199,.16);box-shadow:0 24px 60px -24px rgba(0,0,0,.8)}
.frame img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .8s cubic-bezier(.2,.65,.2,1);filter:saturate(1.08)}
.frame:hover img{transform:scale(1.06)}
.frame figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 14px;font-size:12px;color:var(--cream);background:linear-gradient(0deg,rgba(5,10,13,.85),transparent);display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.frame figcaption b{font-family:var(--mono);font-size:9.5px;font-weight:600;letter-spacing:.22em;color:var(--gold)}

/* ---------- 工作台展示 ---------- */
.workspace-section{position:relative;padding:clamp(72px,9vw,120px) max(6vw,28px)}
.work-frame{position:relative;max-width:1180px;margin:0 auto}
.window{position:relative;border:1px solid rgba(238,226,199,.18);border-radius:16px;overflow:hidden;background:var(--ink2);box-shadow:var(--shadow)}
.window-bar{display:flex;align-items:center;gap:8px;padding:13px 17px;border-bottom:1px solid var(--line-soft);background:rgba(244,237,218,.03)}
.window-bar i{width:10px;height:10px;border-radius:50%}
.window-bar i:nth-child(1){background:#ff5f57}.window-bar i:nth-child(2){background:#febc2e}.window-bar i:nth-child(3){background:#28c840}
.window-bar span{margin-left:12px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--dim-2)}
.window img{width:100%;aspect-ratio:1440/950;object-fit:cover;object-position:top}
.work-notes{max-width:1180px;margin:22px auto 0;display:flex;justify-content:space-between;gap:14px;font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--dim-2)}

/* ---------- 下载 ---------- */
.download-section{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,6vw,90px);align-items:start;
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(21,42,51,.4),rgba(11,23,29,.1))}
.version-pill{display:inline-block;margin-top:24px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:#d9b877}
.release-notice{margin-top:16px;font-size:11.5px;line-height:1.95;color:var(--dim)}
.release-notice a{color:var(--gold)}
.download-list{display:grid;gap:14px}
.dl-card{display:flex;align-items:center;gap:20px;padding:24px;border:1px solid var(--line-soft);border-radius:var(--r-md);background:var(--glass);transition:transform .25s,border-color .25s,background .25s;cursor:pointer}
.dl-card:hover{transform:translateY(-3px);border-color:var(--line);background:var(--glass-2)}
.dl-card.disabled{opacity:.4;pointer-events:none}
.dl-icon{width:50px;height:50px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;color:#d9b877;border:1px solid var(--line)}
.dl-icon svg{width:26px;height:26px}
.dl-card strong{display:block;font-size:16.5px;font-weight:700;color:var(--cream)}
.dl-card small{display:block;margin-top:6px;font-size:11px;color:var(--dim);letter-spacing:.03em}
.dl-arrow{margin-left:auto;color:#d9b877;flex:0 0 auto;transition:transform .25s}
.dl-card:hover .dl-arrow{transform:translateY(4px)}
.dl-arrow svg{width:20px;height:20px}
.dl-meta{margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);display:grid;gap:10px}
.dl-meta p{position:relative;padding-left:18px;font-size:11.5px;line-height:1.9;color:var(--dim-2)}
.dl-meta p::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:1.5px;background:var(--gold)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq-card{padding:26px;border:1px solid var(--line-soft);border-radius:var(--r-md);background:var(--glass);transition:border-color .3s}
.faq-card:hover{border-color:var(--line)}
.faq-card>span{font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;color:var(--gold)}
.faq-card h3{margin-top:13px;font-size:15.5px;font-weight:700;line-height:1.6;color:var(--cream)}
.faq-card p{margin-top:11px;font-size:12.5px;line-height:1.95;color:var(--dim)}
.faq-card:last-child{grid-column:1/-1}

/* ---------- 更新时间线 ---------- */
.timeline{position:relative;max-width:860px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--gold),rgba(233,185,92,.12) 70%,transparent)}
.tl-item{position:relative;padding:0 0 34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-30px;top:7px;width:9px;height:9px;border-radius:50%;background:var(--ink0);border:2px solid var(--dim-2)}
.tl-item.hot::before{border-color:var(--gold);background:var(--gold)}
.tl-ver{display:inline-block;font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.12em;padding:4px 11px;border-radius:99px;border:1px solid var(--line);color:var(--dim)}
.tl-item.hot .tl-ver{border-color:rgba(233,185,92,.5);color:var(--gold-2);background:rgba(233,185,92,.1)}
.tl-item h3{margin-top:13px;font-size:16px;font-weight:700;color:var(--cream)}
.tl-item p{margin-top:9px;font-size:12.5px;line-height:1.95;color:var(--dim)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;overflow:hidden;padding:56px max(6vw,28px) 44px;border-top:1px solid var(--line-soft);background:linear-gradient(180deg,rgba(11,23,29,.4),rgba(7,15,19,.9))}
.foot-watermark{position:absolute;left:50%;bottom:-.24em;transform:translateX(-50%);font-family:var(--mono);font-size:clamp(90px,14vw,220px);font-weight:800;letter-spacing:.06em;color:transparent;-webkit-text-stroke:1px rgba(238,226,199,.055);pointer-events:none;white-space:nowrap;line-height:1}
.foot-top{position:relative;display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap}
.foot-brand .site-brand{font-size:24px}
.foot-brand p{margin-top:14px;font-size:11px;color:var(--dim-2);line-height:2;max-width:330px}
.qq-pill{display:inline-flex;align-items:center;gap:10px;margin-top:18px;padding:11px 18px;border-radius:12px;border:1px solid var(--line);background:var(--glass);font:inherit;font-size:12px;color:var(--cream-2);cursor:pointer;transition:border-color .3s,background .3s}
.qq-pill:hover{border-color:rgba(233,185,92,.45);background:var(--glass-2)}
.qq-pill b{font-family:var(--mono);color:var(--gold-2);letter-spacing:.05em}
.qq-copy-tip{font-size:10px;color:var(--dim-2);border:1px solid var(--line);border-radius:6px;padding:2px 8px;letter-spacing:.05em;transition:color .2s,border-color .2s}
.qq-pill.copied{border-color:rgba(198,225,79,.45)}
.qq-pill.copied .qq-copy-tip{color:var(--lime);border-color:rgba(198,225,79,.4)}
.foot-links{display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;font-size:12px;color:var(--dim)}
.foot-links a{transition:color .25s}
.foot-links a:hover{color:var(--gold-2)}
.foot-bottom{position:relative;margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--dim-2)}

/* ---------- 大屏 ---------- */
@media(min-width:1150px){
  .film-frames{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;overflow:visible}
  .film-frames .frame{width:auto}
}
@media(min-width:1700px){
  .hero-inner{max-width:860px}
  .steps,.features{max-width:1560px}
}

/* ---------- 平板及以下 ---------- */
@media(max-width:1150px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .features{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1000px){
  .download-section{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line-soft)}
}

/* ---------- 手机 ---------- */
@media(max-width:860px){
  :root{--nav-h:64px}
  .site-nav>div{display:none}
  .burger{display:block}
  .site-brand{font-size:19px}
  .site-brand em{display:none}
  .site-brand img{width:30px;height:30px}
  .hero{min-height:max(88svh,560px)}
  .hero h1{font-size:clamp(42px,11.5vw,58px)}
  .hero-lede{font-size:13px;max-width:420px}
  .hero-actions .btn-main{width:100%;justify-content:center}
  .hero-actions .btn-ghost{width:100%;justify-content:center}
  .btn-main,.btn-ghost{padding:15px 22px}
  .eyebrow{font-size:10px;letter-spacing:.18em}
  .section{padding-left:22px;padding-right:22px}
  .stats-wrap{padding:0 22px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{padding:22px 18px 20px}
  .steps{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .reel-head{flex-direction:column;align-items:flex-start;padding:0 22px}
  .frame{width:80vw}
  .work-notes{flex-direction:column;gap:8px}
  .download-section{padding-left:22px;padding-right:22px}
  .dl-card{padding:19px 16px;gap:14px}
  .dl-icon{width:44px;height:44px;border-radius:12px}
  .dl-card strong{font-size:15px}
  .faq-grid{gap:13px}
  .faq-card{padding:21px 19px}
  .timeline{padding-left:26px}
  .tl-item::before{left:-24px}
  .site-footer{padding:44px 22px 36px}
  .foot-top{flex-direction:column;gap:26px}
  .foot-bottom{margin-top:30px}
  .foot-watermark{font-size:80px}
}
@media(max-width:430px){
  .stats{grid-template-columns:1fr 1fr}
  .stat b{font-size:23px}
  .hero-platforms .chip{font-size:10.5px;padding:7px 12px}
}

/* ---------- 弱动效偏好 ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none}
}