/* ============================================================
   TOKENS
============================================================ */
:root{
  --bg:#F4FAFE;
  --bg-2:#E7F2FB;
  --surface:#FFFFFF;
  --ink:#15233A;
  --ink-soft:#4C5C72;
  --ink-faint:#8C99AD;
  --line:rgba(21,40,70,.08);
  --line-2:rgba(21,40,70,.12);

  /* soft light-blue palette (blue → sky → lavender → pink) */
  --blue-deep:#2C6CB3;
  --blue:#4F9DE8;
  --sky:#7FC8EE;
  --lav:#BAC6F2;
  --pink:#F4A9CE;
  --pink-soft:#FBD3E6;

  --grad: linear-gradient(120deg,#4A97DE 0%,#6FB6EE 28%,#A6C9F1 52%,#C9BEF0 73%,#F0A0C8 100%);
  --grad-soft: linear-gradient(120deg,#BFE2F8,#DCE7FB,#FBD8EA);
  --grad-head: linear-gradient(110deg,#4A97DE 0%,#6FB6EE 26%,#7C82E6 52%,#B85FC7 78%,#EA6AA6 100%);

  --radius:20px;
  --radius-lg:28px;
  --radius-xl:36px;
  --shadow-sm:0 1px 2px rgba(21,40,70,.06),0 4px 12px rgba(21,40,70,.05);
  --shadow:0 8px 24px rgba(21,40,70,.08),0 2px 6px rgba(21,40,70,.05);
  --shadow-lg:0 24px 60px -12px rgba(56,120,200,.20),0 8px 24px rgba(21,40,70,.07);
  --shadow-brand:0 20px 50px -12px rgba(79,157,232,.42);

  --ease:cubic-bezier(.16,1,.3,1);
  --maxw:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Plus Jakarta Sans",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--blue);color:#fff}

h1,h2,h3{
  font-family:"Bricolage Grotesque",sans-serif;
  font-weight:700;
  line-height:1.04;
  letter-spacing:-.02em;
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.gtext{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  background-size:200% 200%;
  animation:hue 8s var(--ease) infinite;
}
@keyframes hue{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

/* ============================================================
   BUTTONS
============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-weight:600;font-size:.98rem;
  padding:.85em 1.5em;border-radius:999px;
  cursor:pointer;border:none;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);background-size:160% 160%;color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{transform:translateY(-3px) scale(1.02);background-position:100% 50%;box-shadow:0 26px 60px -10px rgba(79,157,232,.55)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line-2);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--blue)}
.btn-lg{font-size:1.05rem;padding:1.05em 1.9em}

/* ============================================================
   NAV
============================================================ */
header{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .4s var(--ease)}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;margin:14px auto 0;max-width:var(--maxw);
  padding:0 14px 0 22px;border-radius:999px;
  background:transparent;transition:all .4s var(--ease);
}
header.scrolled .nav{
  background:rgba(251,250,247,.8);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.6);
  margin-top:10px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:"Bricolage Grotesque";font-weight:800;font-size:1.32rem;letter-spacing:-.03em}
.logo-img{height:38px;width:auto;display:block;transition:transform .35s var(--ease)}
.brand:hover .logo-img{transform:scale(1.04)}
.foot-brand .logo-img{height:46px}
@media(max-width:560px){.logo-img{height:32px}}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;place-items:center;box-shadow:var(--shadow-brand);flex:none}
.logo-mark svg{width:20px;height:20px}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{
  font-size:.95rem;font-weight:500;color:var(--ink-soft);
  padding:.55em .85em;border-radius:10px;transition:.25s;display:flex;align-items:center;gap:4px;
}
.nav-links a:hover{color:var(--ink);background:rgba(21,35,58,.05)}
.nav-cta{display:flex;align-items:center;gap:6px}
.nav-cta .login{font-weight:600;font-size:.95rem;padding:.6em 1em;border-radius:999px;transition:.25s}
.nav-cta .login:hover{background:rgba(21,35,58,.05)}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;border-radius:10px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;margin:5px 0;transition:.3s var(--ease)}

/* ============================================================
   HERO
============================================================ */
.hero{position:relative;padding:170px 0 60px;text-align:center;overflow:hidden}
.orbs{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;animation:float 18s ease-in-out infinite}
/* parallax deck cards (mouse-driven depth, Pitch-style) */
.parallax{position:absolute;top:0;left:0;right:0;height:720px;z-index:0;pointer-events:none;overflow:hidden;-webkit-mask:linear-gradient(180deg,#000 82%,transparent 100%);mask:linear-gradient(180deg,#000 82%,transparent 100%)}
.deck{
  position:absolute;border-radius:16px;overflow:hidden;
  background:linear-gradient(140deg,rgba(187,221,248,.75),rgba(232,233,251,.6),rgba(251,216,234,.7));
  border:1px solid rgba(255,255,255,.6);
  box-shadow:0 18px 40px -16px rgba(56,120,200,.28);
  opacity:.55;padding:14px;display:flex;flex-direction:column;gap:9px;
  will-change:translate;
}
/* photo cards: cover image fills the card, kept faint + soft blue wash to blend */
.deck.photo{padding:0}
.deck.photo::before{display:none}
.deck .deckimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.82) brightness(1.05)}
.deck.photo::after{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(120,170,235,.22),rgba(232,233,251,.1) 45%,rgba(244,169,206,.16));pointer-events:none}

/* ===== 抽象氛围背景(方向2) ===== */
/* 网点纹理:四周可见,中央(标题处)与底部淡出 */
.dots{position:absolute;inset:0;
  background-image:radial-gradient(circle, rgba(79,157,232,.18) 1.3px, transparent 1.7px);
  background-size:30px 30px;
  -webkit-mask:radial-gradient(ellipse 64% 56% at 50% 42%, transparent 0 32%, #000 74%);
  mask:radial-gradient(ellipse 64% 56% at 50% 42%, transparent 0 32%, #000 74%)}
/* 抽象"幻灯片"轮廓线框,只描边不填色,极淡 */
.gframe{position:absolute;border:1px solid rgba(79,157,232,.22);border-radius:15px;overflow:hidden;
  background:linear-gradient(140deg,rgba(255,255,255,.46),rgba(232,240,251,.22));
  box-shadow:0 16px 36px -22px rgba(56,120,200,.22);
  backdrop-filter:blur(1px);will-change:translate;animation:bfloat 9s ease-in-out infinite;opacity:.82}
.gframe svg{width:100%;height:100%;display:block}
/* 小色点装饰 */
.adot{position:absolute;border-radius:50%;will-change:translate;animation:bfloat 7s ease-in-out infinite}
@keyframes bfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.deck::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(21,40,70,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(21,40,70,.05) 1px,transparent 1px);background-size:18px 18px}
.deck .dl{height:7px;border-radius:4px;background:rgba(44,108,179,.28)}
.deck .dl.t{width:62%;height:10px;background:rgba(44,108,179,.4)}
.deck .dl.s{width:42%}
.deck .dthumb{flex:1;min-height:34px;border-radius:9px;background:linear-gradient(135deg,rgba(79,157,232,.22),rgba(244,169,206,.28));margin-top:2px}
.deck .dlabel{font-family:"Bricolage Grotesque";font-weight:800;font-size:.9rem;letter-spacing:-.01em;color:rgba(44,108,179,.45);text-transform:uppercase;line-height:1.1}
.orb.a{width:520px;height:520px;background:radial-gradient(circle,#8EC9F2,transparent 70%);top:-160px;left:-120px}
.orb.b{width:480px;height:480px;background:radial-gradient(circle,#F8B6D5,transparent 70%);top:-80px;right:-140px;animation-delay:-4s}
.orb.c{width:420px;height:420px;background:radial-gradient(circle,#BFD9F7,transparent 70%);top:240px;left:30%;animation-delay:-8s;opacity:.45}
.orb.d{width:360px;height:360px;background:radial-gradient(circle,#CABFF2,transparent 70%);top:180px;right:18%;animation-delay:-12s;opacity:.4}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(40px,-30px) scale(1.08)}66%{transform:translate(-30px,20px) scale(.95)}}

.hero-inner{position:relative;z-index:1;max-width:920px;margin:0 auto}
.hero-inner::before{content:"";position:absolute;z-index:-1;left:50%;top:48%;transform:translate(-50%,-50%);width:135%;height:150%;background:radial-gradient(ellipse 60% 50% at 50% 50%,var(--bg) 38%,rgba(244,250,254,.6) 60%,transparent 78%);pointer-events:none}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.85rem;font-weight:600;color:var(--blue-deep);
  background:rgba(79,157,232,.09);border:1px solid rgba(79,157,232,.18);
  padding:.5em 1em;border-radius:999px;margin-bottom:26px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(79,157,232,.2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(79,157,232,.35)}50%{box-shadow:0 0 0 7px rgba(79,157,232,0)}}

.hero h1{font-size:clamp(2.6rem,6vw,4.9rem);font-weight:800;line-height:1.18;margin-bottom:24px}
.hero h1 .gtext{background-image:var(--grad-head)}
.hero p.sub{font-size:clamp(1.05rem,2vw,1.32rem);color:var(--ink-soft);max-width:620px;margin:0 auto 36px;font-weight:400}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.trust{font-size:.92rem;font-weight:500;color:var(--ink-soft);display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.trust span{display:inline-flex;align-items:center;gap:6px}
.trust svg{width:15px;height:15px;color:var(--blue)}

/* hero load choreography */
.reveal-load{opacity:0;transform:translateY(26px);animation:loadUp .9s var(--ease) forwards}
@keyframes loadUp{to{opacity:1;transform:none}}
.d1{animation-delay:.05s}.d2{animation-delay:.15s}.d3{animation-delay:.27s}.d4{animation-delay:.39s}.d5{animation-delay:.5s}.d6{animation-delay:.62s}

/* hero product mockup */
.hero-stage{position:relative;max-width:1600px;margin:58px auto 0;z-index:1;perspective:1500px}
.browser{
  background:var(--surface);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);border:1px solid var(--line);overflow:hidden;
  transform:
    rotateX(calc(var(--tp,1) * 65deg))
    translateX(calc(var(--mx,0) * 1px))
    translateY(calc(var(--my,0) * 1px));
  transform-origin:center center;transform-style:preserve-3d;
  will-change:transform;transition:box-shadow .4s var(--ease);
}
.browser-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--bg)}
.dots{display:flex;gap:7px}
.dots i{width:12px;height:12px;border-radius:50%}
.dots i:nth-child(1){background:#FF5F57}.dots i:nth-child(2){background:#FEBC2E}.dots i:nth-child(3){background:#28C840}
.url{flex:1;height:28px;background:var(--bg-2);border-radius:8px;margin-left:10px;max-width:340px}
.browser-body{padding:34px;display:grid;grid-template-columns:240px 1fr;gap:30px;min-height:859px}
.side{display:flex;flex-direction:column;gap:12px}
.canvas{display:flex;flex-direction:column;gap:18px}
.canvas .hero-block{height:140px;border-radius:16px;background:var(--grad-soft);background-size:200% 200%;animation:hue 8s ease infinite;opacity:.9}
.row{display:flex;gap:14px}

/* floating side cards */
.float-card{
  position:absolute;background:var(--surface);border-radius:16px;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);padding:14px 16px;
  display:flex;align-items:center;gap:12px;z-index:2;animation:bob 6s ease-in-out infinite;
}
.float-card .ic{width:38px;height:38px;border-radius:11px;background:var(--grad);display:grid;place-items:center;flex:none}
.float-card .ic svg{width:20px;height:20px}
.float-card .meta{display:flex;flex-direction:column;gap:6px}
.float-card .l1{width:70px;height:8px;border-radius:4px;background:var(--ink);opacity:.85}
.float-card .l2{width:46px;height:7px;border-radius:4px;background:var(--line-2)}
.fc-1{top:60px;left:-44px;animation-delay:-1s}
.fc-2{bottom:50px;right:-40px;animation-delay:-3s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* ============================================================
   SKELETON / PLACEHOLDER UTILITIES
============================================================ */
.sk{position:relative;overflow:hidden;background:var(--bg-2);border-radius:10px}
.sk::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);transform:translateX(-100%);animation:shimmer 1.8s infinite}
@keyframes shimmer{100%{transform:translateX(100%)}}
.sk-line{height:12px;border-radius:6px}
.sk-line.short{width:55%}.sk-line.mid{width:80%}
.sk-pill{height:30px;width:90px;border-radius:999px}
.sk-circle{border-radius:50%}

.ph-img{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,#D9EDFB,#E9EEFC,#FBE0EE);
  border:1px solid var(--line);display:grid;place-items:center;min-height:200px;
}
.ph-img .badge{
  display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--blue-deep);
  font-size:.82rem;font-weight:600;letter-spacing:.02em;z-index:1;
}
.ph-img .badge svg{width:34px;height:34px;opacity:.7}
.ph-img .grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:28px 28px;opacity:.5}
.f-visual .fsvg{position:relative;z-index:1;width:88%;max-width:460px;height:auto;display:block}

/* ===== 滚动钉住切换(scrollytelling) ===== */
.scrolly{margin-top:60px}
.scrolly-stage{position:relative;height:520vh}
.scrolly-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center}
.scrolly-inner{position:relative;width:100%;height:min(76vh,620px)}
.scrolly-dots{position:absolute;left:0;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:18px;z-index:4}
.scrolly-dots::before{content:"";position:absolute;left:15px;top:8px;bottom:8px;width:2px;background:var(--line);z-index:-1}
.sdot{width:32px;height:32px;border-radius:50%;border:1.5px solid var(--line);background:#fff;color:var(--blue-deep);font-size:.82rem;font-weight:700;display:grid;place-items:center;cursor:pointer;transition:all .35s var(--ease);opacity:.55}
.sdot.active{opacity:1;background:var(--blue);border-color:var(--blue);color:#fff;transform:scale(1.12);box-shadow:0 8px 18px -6px rgba(79,157,232,.6)}
.sstep{position:absolute;inset:0 0 0 72px;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease);pointer-events:none}
.sstep.active{opacity:1;transform:none;pointer-events:auto}
.sstep .f-visual{height:100%;display:flex;align-items:center}
.sstep .ph-img{width:100%;height:100%;min-height:0}
.sstep .f-text h2{font-size:clamp(2.4rem,4.6vw,3.8rem);line-height:1.1;margin-bottom:22px}
.sstep .lead{font-size:clamp(1.18rem,1.5vw,1.45rem);line-height:1.75}

/* ============================================================
   LOGO MARQUEE
============================================================ */
.logos{padding:54px 0 30px;text-align:center}
.logos .label{font-size:.82rem;font-weight:600;color:var(--ink-faint);letter-spacing:.12em;text-transform:uppercase;margin-bottom:26px}
.marquee{position:relative;overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:60px;width:max-content;animation:scroll 28s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.logo-item{display:flex;align-items:center;gap:10px;color:var(--ink-faint);font-family:"Bricolage Grotesque";font-weight:700;font-size:1.35rem;opacity:.65;transition:.3s;white-space:nowrap}
.logo-item:hover{opacity:1;color:var(--ink)}
.logo-item .glyph{width:26px;height:26px;border-radius:7px;background:currentColor;opacity:.85}

/* ============================================================
   SECTION HEADERS
============================================================ */
section{position:relative}
.sec-head{max-width:680px;margin:0 auto 60px;text-align:center}
.sec-tag{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-deep);margin-bottom:16px}
.sec-head h2{font-size:clamp(2rem,4.2vw,3.3rem);font-weight:800;margin-bottom:18px}
.sec-head p{font-size:1.12rem;color:var(--ink-soft)}
.pad{padding:100px 0}

/* ============================================================
   FEATURE ROWS (alternating)
============================================================ */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.feature + .feature{margin-top:120px}
.feature.flip .f-text{order:2}
.f-text .sec-tag{display:inline-block}
.f-text h2{font-size:clamp(1.8rem,3.4vw,2.7rem);font-weight:800;margin-bottom:18px;line-height:1.08}
.f-text p.lead{font-size:1.1rem;color:var(--ink-soft);margin-bottom:28px}
.flist{display:flex;flex-direction:column;gap:14px;margin-bottom:30px}
.flist li{display:flex;gap:12px;align-items:flex-start;list-style:none;color:var(--ink-soft)}
.flist .check{width:24px;height:24px;border-radius:7px;background:rgba(79,157,232,.1);display:grid;place-items:center;flex:none;margin-top:2px}
.flist .check svg{width:14px;height:14px;color:var(--blue)}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--blue-deep);transition:.3s}
.link-arrow svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.link-arrow:hover svg{transform:translateX(5px)}

.f-visual{position:relative}
.f-visual .ph-img{min-height:380px;box-shadow:var(--shadow-lg)}
.f-visual .ph-img .skel{position:absolute;inset:24px;display:flex;flex-direction:column;gap:14px}

/* ============================================================
   BENTO GRID
============================================================ */
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:200px;gap:22px}
.cell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;overflow:hidden;position:relative;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .3s;
}
.cell:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg);border-color:rgba(79,157,232,.25)}
.cell .c-ic{width:48px;height:48px;border-radius:14px;background:var(--grad);display:grid;place-items:center;margin-bottom:18px;box-shadow:var(--shadow-brand)}
.cell .c-ic svg{width:24px;height:24px}
.cell h3{font-size:1.28rem;font-weight:700;margin-bottom:10px}
.cell p{font-size:.97rem;color:var(--ink-soft)}
.cell.tall{grid-row:span 2}
.cell.wide{grid-column:span 2}
.cell .deco{position:absolute;border-radius:50%;background:var(--grad-soft);filter:blur(40px);opacity:.18;width:160px;height:160px;right:-40px;bottom:-40px;transition:.5s var(--ease)}
.cell:hover .deco{opacity:.32;transform:scale(1.2)}
.cell .mini-ph{margin-top:20px;border-radius:14px;height:120px;background:linear-gradient(135deg,#DCEEFB,#FBE0EE);border:1px solid var(--line);position:relative;overflow:hidden}
.cell .mini-ph .grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:22px 22px;opacity:.5}

/* ============================================================
   STATS
============================================================ */
.stats-band{
  margin:0 auto;max-width:var(--maxw);border-radius:var(--radius-xl);
  background:var(--grad);background-size:160% 160%;animation:hue 12s ease infinite;
  padding:70px 40px;color:#fff;position:relative;overflow:hidden;
}
.stats-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.25),transparent 50%)}
.stats{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat .num{font-family:"Bricolage Grotesque";font-weight:800;font-size:clamp(2.4rem,4vw,3.6rem);line-height:1;display:inline-block;transform:scale(.3);opacity:0;transform-origin:center bottom;will-change:transform,opacity}
.stat .num.pop{transform:scale(1);opacity:1;transition:transform 1.1s cubic-bezier(.22,1.4,.36,1),opacity .5s ease}
.stat .lab{font-size:.98rem;opacity:.9;margin-top:8px;font-weight:500}

/* ============================================================
   TESTIMONIALS
============================================================ */
.tgrid{columns:3;column-gap:22px}
.tcard{
  break-inside:avoid;margin-bottom:22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.tcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.tcard .stars{display:flex;gap:3px;margin-bottom:14px}
.tcard .stars svg{width:16px;height:16px;color:#FBBF24}
.tcard p{font-size:1.02rem;color:var(--ink);margin-bottom:20px;line-height:1.55}
.tcard .who{display:flex;align-items:center;gap:12px}
.tcard .av{width:44px;height:44px;border-radius:50%;background:var(--grad-soft);flex:none}
.tcard .who .n{font-weight:700;font-size:.95rem}
.tcard .who .r{font-size:.85rem;color:var(--ink-faint)}

/* ============================================================
   FINAL CTA
============================================================ */
.cta-final{padding:110px 0}
.cta-card{
  position:relative;max-width:var(--maxw);margin:0 auto;border-radius:var(--radius-xl);
  background:linear-gradient(135deg,#DCEDFC,#E8EAFB,#FBDFEC);padding:90px 40px;text-align:center;overflow:hidden;border:1px solid var(--line);
}
.cta-card .orb{filter:blur(80px);opacity:.5}
.cta-card .o1{width:400px;height:400px;background:radial-gradient(circle,#7FC8EE,transparent 70%);top:-120px;left:-80px;position:absolute}
.cta-card .o2{width:360px;height:360px;background:radial-gradient(circle,#F4A9CE,transparent 70%);bottom:-120px;right:-60px;position:absolute}
.cta-card .inner{position:relative;z-index:1}
.cta-card h2{font-size:clamp(2.2rem,4.5vw,3.6rem);font-weight:800;color:var(--ink);margin-bottom:20px}
.cta-card p{color:var(--ink-soft);font-size:1.15rem;max-width:540px;margin:0 auto 36px}

/* ============================================================
   FOOTER
============================================================ */
footer{padding:80px 0 40px;border-top:1px solid var(--line);background:var(--bg)}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:40px;margin-bottom:56px}
.foot-brand p{color:var(--ink-soft);font-size:.95rem;margin:18px 0 24px;max-width:280px}
.socials{display:flex;gap:10px}
.socials a{width:40px;height:40px;border-radius:11px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;transition:.3s var(--ease)}
.socials a:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:var(--shadow)}
.socials svg{width:18px;height:18px;color:var(--ink-soft)}
.fcol h4{font-size:.85rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);margin-bottom:18px}
.fcol a{display:block;color:var(--ink-soft);font-size:.95rem;padding:6px 0;transition:.25s}
.fcol a:hover{color:var(--blue-deep);transform:translateX(3px)}
.foot-bot{display:flex;justify-content:space-between;align-items:center;padding-top:30px;border-top:1px solid var(--line);color:var(--ink-faint);font-size:.9rem;flex-wrap:wrap;gap:14px}

/* ============================================================
   SCROLL REVEAL
============================================================ */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.stagger > *{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.stagger.in > *{opacity:1;transform:none}
.stagger.in > *:nth-child(1){transition-delay:.05s}
.stagger.in > *:nth-child(2){transition-delay:.13s}
.stagger.in > *:nth-child(3){transition-delay:.21s}
.stagger.in > *:nth-child(4){transition-delay:.29s}
.stagger.in > *:nth-child(5){transition-delay:.37s}
.stagger.in > *:nth-child(6){transition-delay:.45s}

/* ============================================================
   RESPONSIVE
============================================================ */
@media(max-width:920px){
  .nav-links{display:none}
  .burger{display:block}
  .feature{grid-template-columns:1fr;gap:40px}
  .feature.flip .f-text{order:0}
  .bento{grid-template-columns:1fr 1fr}
  .cell.wide,.cell.tall{grid-column:auto;grid-row:auto}
  .stats{grid-template-columns:1fr 1fr;gap:40px}
  .tgrid{columns:2}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-brand{grid-column:1/-1}
  .float-card{display:none}
  .parallax{display:none}
  /* scrollytelling 降级:取消钉住,普通竖排,全部展示 */
  .scrolly-stage{height:auto}
  .scrolly-sticky{position:static;height:auto;display:block}
  .scrolly-inner{height:auto}
  .scrolly-dots{display:none}
  .sstep{position:static;inset:auto;opacity:1;transform:none;pointer-events:auto;grid-template-columns:1fr;gap:36px;margin-top:64px}
  .sstep .ph-img{height:auto;min-height:300px}
}
@media(max-width:560px){
  .wrap{padding:0 18px}
  .bento{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .tgrid{columns:1}
  .foot-grid{grid-template-columns:1fr}
  .hero{padding:140px 0 40px}
  .browser-body{grid-template-columns:1fr;min-height:auto}
  .side{display:none}
  .foot-bot{flex-direction:column;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal,.stagger>*,.reveal-load{opacity:1!important;transform:none!important}
  .stat .num{opacity:1!important;transform:none!important}
}

/* mobile menu */
.mobile-menu{
  position:fixed;inset:0 0 0 auto;width:min(80vw,320px);z-index:200;
  background:var(--surface);box-shadow:var(--shadow-lg);padding:90px 28px 28px;
  transform:translateX(105%);transition:transform .45s var(--ease);
}
.mobile-menu.open{transform:none}
.mobile-menu a{display:block;font-size:1.1rem;font-weight:600;padding:14px 0;border-bottom:1px solid var(--line)}
.mobile-menu .btn{width:100%;justify-content:center;margin-top:20px}
.scrim{position:fixed;inset:0;background:rgba(21,35,58,.4);z-index:150;opacity:0;visibility:hidden;transition:.4s}
.scrim.open{opacity:1;visibility:visible}

/* ===== 作品墙(三行滚动) ===== */
.showcase .mrows{margin-top:52px;display:flex;flex-direction:column;gap:20px}
.mrow{overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.mtrack{display:flex;gap:20px;width:max-content;padding:16px 0;will-change:transform}
.mrow[data-dir=left] .mtrack{animation:mscroll var(--dur,62s) linear infinite}
.mrow[data-dir=right] .mtrack{animation:mscroll var(--dur,62s) linear infinite reverse}
.mrow:hover .mtrack{animation-play-state:paused}
@keyframes mscroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.mthumb{flex:0 0 auto;height:clamp(118px,14.5vw,176px);aspect-ratio:16/9;border-radius:13px;background-size:cover;background-position:center;background-repeat:no-repeat;box-shadow:0 12px 26px -14px rgba(56,120,200,.32);border:1px solid rgba(255,255,255,.55);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.mthumb:hover{transform:scale(1.06);box-shadow:0 20px 40px -14px rgba(56,120,200,.46);position:relative;z-index:2}

/* ===== 作品墙图片内嵌 (base64) ===== */