/* ============================================================
   点滴任务 DripNote · 官网样式
   官网：https://www.dripnote.cn/
   PC 客户端：https://app.dripnote.cn/
   ============================================================ */

:root{
  --blue:#2563EB;
  --blue-deep:#1E40AF;
  --blue-ink:#0B1E4B;
  --cyan:#38BDF8;
  --violet:#818CF8;
  --sky:#60A5FA;
  --ink:#0A1428;
  --ink-2:#1E293B;
  --muted:#5B6B85;
  --muted-2:#8FA0B8;
  --line:rgba(148,178,255,.25);
  --bg:#F3F7FE;
  --glass:rgba(255,255,255,.6);
  --grad-crystal:linear-gradient(120deg,#1E40AF 0%,#2563EB 35%,#38BDF8 70%,#818CF8 100%);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --shadow-card:0 10px 30px rgba(30,64,175,.06);
  --shadow-hover:0 24px 50px rgba(30,64,175,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink-2);background:var(--bg);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:8px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* 跳转主内容 */
.skip-link{position:fixed;top:-60px;left:24px;z-index:500;background:var(--blue);color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;transition:top .25s}
.skip-link:focus{top:14px}

/* 滚动进度条 */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:300;pointer-events:none}
.scroll-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,#1E40AF,#2563EB,#38BDF8);box-shadow:0 0 12px rgba(37,99,235,.5);border-radius:0 2px 2px 0}

/* 自定义水滴光标 */
.cursor-drop{position:fixed;left:0;top:0;z-index:400;pointer-events:none;opacity:0;transition:opacity .3s;will-change:transform}
.cursor-drop.on{opacity:1}
.cd-body{position:absolute;left:0;top:0;width:13px;height:17px;border-radius:50% 50% 50% 50%/62% 62% 38% 38%;background:linear-gradient(180deg,#C9EBFF,#4BA0F7 68%,#1D5BD8);box-shadow:0 0 10px rgba(59,144,246,.55),inset 2px 2px 3px rgba(255,255,255,.7);transform:translate(-50%,-50%);transition:opacity .25s,transform .25s}
.cd-ring{position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;border:1.5px solid rgba(37,99,235,.32);transform:translate(-50%,-50%) scale(.55);transition:transform .28s var(--ease-out),border-color .25s}
.cursor-drop.hovering .cd-ring{transform:translate(-50%,-50%) scale(1);border-color:rgba(37,99,235,.6)}
.cursor-drop.hovering .cd-body{transform:translate(-50%,-50%) scale(.72);opacity:.9}
.cd-trail{position:fixed;left:0;top:0;width:7px;height:9px;border-radius:50% 50% 50% 50%/62% 62% 38% 38%;background:linear-gradient(180deg,#DCF1FF,#7FBEF9);pointer-events:none;z-index:399;opacity:.8;will-change:transform,opacity}

/* film grain */
body::after{
  content:"";position:fixed;inset:0;z-index:200;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== Nav（分层玻璃 · 渐变发丝边 · 水晶 CTA） ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:linear-gradient(180deg,rgba(255,255,255,.86) 0%,rgba(244,248,255,.7) 100%);
  backdrop-filter:saturate(190%) blur(16px);-webkit-backdrop-filter:saturate(190%) blur(16px);
  border-bottom:1px solid transparent;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.9);
  transition:box-shadow .3s,border-color .3s;
}
.nav::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;opacity:.7;
  background:linear-gradient(90deg,transparent,rgba(96,165,250,.5),rgba(56,189,248,.45),transparent);
}
.nav::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;opacity:0;transition:opacity .3s;
  background:linear-gradient(90deg,transparent 6%,rgba(37,99,235,.32) 38%,rgba(56,189,248,.28) 62%,transparent 94%);
}
.nav.scrolled{
  border-bottom-color:transparent;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 10px 30px -14px rgba(30,64,175,.22),0 2px 8px -4px rgba(30,64,175,.08);
}
.nav.scrolled::after{opacity:1}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1200px;margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:19px;letter-spacing:-.01em;color:var(--ink)}
.brand small{font-weight:400;color:var(--muted);font-size:12px;margin-left:2px;letter-spacing:.5px}

/* 品牌水晶水滴标记 */
.brand-mark{
  display:inline-block;width:38px;height:49px;flex-shrink:0;
  filter:drop-shadow(0 6px 12px rgba(37,99,235,.32));
  transition:transform .3s cubic-bezier(.16,1,.3,1),filter .3s;
}
.brand-mark svg{width:100%;height:100%;overflow:visible}
.brand:hover .brand-mark{transform:scale(1.08);filter:drop-shadow(0 8px 16px rgba(37,99,235,.42))}
.bm-float{transform-box:fill-box;transform-origin:50% 60%;animation:bmFloat 5.8s ease-in-out infinite}
@keyframes bmFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-2.4px)}}
.bm-halo{animation:bmHalo 3.8s ease-in-out infinite}
@keyframes bmHalo{0%,100%{opacity:.5}50%{opacity:1}}
.bm-check{animation:bmCheckGlow 4.6s ease-in-out infinite}
@keyframes bmCheckGlow{0%,100%{opacity:.92}50%{opacity:1}}
.bm-speed{opacity:.9}

.nav-links{display:flex;gap:30px;font-size:15px;color:var(--muted)}
.nav-links a{position:relative;padding:6px 2px;transition:color .25s}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:0;width:100%;height:2px;border-radius:2px;opacity:.95;
  background:linear-gradient(90deg,#2563EB,#38BDF8);
  transform:translateX(-50%) scaleX(0);transform-origin:center;
  transition:transform .32s cubic-bezier(.16,1,.3,1);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-links a.active{color:var(--blue-deep)}
.nav-links a.active::after{transform:translateX(-50%) scaleX(1)}

/* 水晶 CTA */
.nav-cta{
  position:relative;overflow:hidden;display:inline-block;
  background:linear-gradient(135deg,#1E40AF 0%,#2563EB 48%,#2F8CF5 100%);
  color:#fff;padding:11px 22px;border-radius:999px;font-size:14px;font-weight:600;
  box-shadow:0 8px 20px -6px rgba(37,99,235,.55),inset 0 1px 0 rgba(255,255,255,.28);
  transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 13px 28px -6px rgba(37,99,235,.62),inset 0 1px 0 rgba(255,255,255,.35)}
.nav-cta::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);
  transform:skewX(-20deg);animation:sheen 3.8s ease infinite;
}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:none;border:0;cursor:pointer;border-radius:10px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;margin:0 auto;transition:transform .25s,opacity .2s}
.nav-links .m-cta{display:none}
.nav-panel{display:none}
@media(max-width:920px){
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-links{display:none}
  .nav-panel{
    position:fixed;top:68px;left:0;right:0;z-index:99;display:flex;flex-direction:column;gap:0;
    background:linear-gradient(180deg,rgba(255,255,255,.97),rgba(244,248,255,.93));
    backdrop-filter:saturate(190%) blur(16px);-webkit-backdrop-filter:saturate(190%) blur(16px);
    border-bottom:1px solid var(--line);padding:8px 24px 24px;
    transform:translateY(-10px);opacity:0;pointer-events:none;transition:transform .2s,opacity .25s;
    box-shadow:0 18px 40px -20px rgba(30,64,175,.25);
  }
  .nav-panel.open{transform:none;opacity:1;pointer-events:auto}
  .nav-panel a{position:relative;font-size:16px;padding:15px 2px;border-bottom:1px solid #EDF2FA;color:var(--ink-2)}
  .nav-panel a:not(.m-cta).active{color:var(--blue-deep)}
  .nav-panel a:not(.m-cta).active::after{
    content:"";position:absolute;left:0;bottom:-1px;width:46px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,#2563EB,#38BDF8);
  }
  .nav-panel .m-cta{
    display:flex;justify-content:center;margin-top:18px;border-bottom:0;
    background:linear-gradient(135deg,#1E40AF,#2563EB 55%,#2F8CF5);color:#fff;padding:14px;border-radius:12px;
    font-weight:600;font-size:15px;box-shadow:0 10px 24px -8px rgba(37,99,235,.55);
  }
  .nav.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav.open .nav-toggle span:nth-child(2){opacity:0}
  .nav.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:140px 0 90px;overflow:hidden}
.hero-mesh{position:absolute;inset:0;z-index:0;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(80px)}
.orb-a{width:600px;height:600px;background:#BFDBFE;top:-180px;right:-100px;opacity:.7;animation:drift 16s ease-in-out infinite}
.orb-b{width:480px;height:480px;background:#DDD6FE;bottom:-200px;left:-160px;opacity:.55;animation:drift 20s ease-in-out infinite reverse}
.orb-c{width:380px;height:380px;background:#BAE6FD;top:30%;left:40%;opacity:.4;animation:drift 22s ease-in-out infinite}
@keyframes drift{0%,100%{transform:translate(0,0)}50%{transform:translate(-40px,30px)}}
.hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(37,99,235,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.06) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 75% 65% at 50% 40%,#000 25%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 75% 65% at 50% 40%,#000 25%,transparent 72%);
}
.spotlight{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(600px circle at var(--mx,50%) var(--my,40%),rgba(59,130,246,.10),transparent 60%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;width:100%}
@media(max-width:960px){.hero-inner{grid-template-columns:1fr}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:24px;
  background:rgba(255,255,255,.7);border:1px solid rgba(191,219,254,.6);
  color:var(--blue-deep);font-size:13px;font-weight:500;padding:7px 15px;border-radius:999px;
  backdrop-filter:blur(8px);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--blue);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(37,99,235,.4)}50%{opacity:.5;box-shadow:0 0 0 6px rgba(37,99,235,0)}}
.hero h1{
  font-size:clamp(32px,4.6vw,54px);line-height:1.24;font-weight:900;color:var(--ink);
  letter-spacing:-.02em;margin-bottom:26px;
}
.crystal{
  background:var(--grad-crystal);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:540px;margin-bottom:34px;line-height:1.85}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:40px}
/* 平台覆盖徽章 */
.platform-pills{display:flex;flex-wrap:wrap;gap:10px}
.ppill{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--ink-2);backdrop-filter:blur(8px);box-shadow:0 6px 18px -8px rgba(30,64,175,.2);transition:transform .25s var(--ease-out),border-color .25s,color .25s,box-shadow .25s}
.ppill svg{width:15px;height:15px;flex-shrink:0;fill:var(--blue);transition:fill .25s}
.ppill:hover{transform:translateY(-2px);border-color:rgba(37,99,235,.45);color:var(--blue);box-shadow:0 10px 26px -10px rgba(30,64,175,.32)}
.ppill:hover svg{fill:var(--blue-deep)}
@media(max-width:560px){.ppill{padding:7px 13px;font-size:12.5px}.ppill svg{width:13px;height:13px}}
.btn-primary{
  display:inline-flex;align-items:center;gap:9px;position:relative;overflow:hidden;
  background:var(--ink);color:#fff;padding:15px 30px;border-radius:14px;font-size:16px;font-weight:600;
  transition:transform .25s, box-shadow .25s;box-shadow:0 14px 40px rgba(10,20,40,.25);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 50px rgba(37,99,235,.4)}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);animation:sheen 3.5s ease infinite;
}
@keyframes sheen{0%{left:-60%}50%,100%{left:130%}}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:15px 26px;border-radius:14px;font-size:15px;font-weight:500;
  background:rgba(255,255,255,.6);border:1px solid var(--line);color:var(--ink);backdrop-filter:blur(8px);transition:all .2s;
}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.hero-stats{display:flex;gap:0;margin-top:36px;flex-wrap:wrap}
.hstat{min-width:96px;padding:2px 26px;position:relative}
.hstat:first-child{padding-left:0}
.hstat+.hstat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,transparent,rgba(148,178,255,.45),transparent)}
.hstat .num{font-size:30px;font-weight:900;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1}
.hstat .num u{font-size:16px;text-decoration:none;font-weight:800}
.hstat .num em{font-style:normal;background:var(--grad-crystal);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hstat .lbl{font-size:12px;color:var(--muted-2);margin-top:8px;line-height:1.55}

/* 向下探索提示 */
.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:5;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted-2);font-size:12px;letter-spacing:.2em;transition:color .25s}
.scroll-hint:hover{color:var(--blue)}
.sh-mouse{width:22px;height:34px;border:1.5px solid currentColor;border-radius:12px;display:flex;justify-content:center;padding-top:6px}
.sh-mouse i{width:3px;height:7px;border-radius:3px;background:currentColor;animation:shDot 1.8s ease-in-out infinite}
@keyframes shDot{0%{transform:translateY(0);opacity:1}70%{transform:translateY(10px);opacity:0}100%{transform:translateY(0);opacity:0}}
@media(max-height:760px){.scroll-hint{display:none}}

/* Hero visual stage */
.stage{position:relative;height:580px;perspective:1400px}
@media(max-width:960px){.stage{height:540px}}

/* 源头水滴（顶部完整，数据之源） */
.src-drop{position:absolute;top:2px;left:42%;width:124px;z-index:5;animation:srcIn 1.15s cubic-bezier(.18,1.25,.34,1) .12s both}
@keyframes srcIn{from{opacity:0;transform:translateY(-18px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}
.drop-hero{display:block;width:124px;height:162px}
.drop-hero .drop-svg{transform-box:view-box;transform-origin:50% 80%;animation:dropFloat 5.8s ease-in-out infinite}
.src-halo{position:absolute;left:50%;bottom:-8px;width:92px;height:22px;transform:translateX(-50%);background:radial-gradient(ellipse,rgba(59,144,246,.55),transparent 70%);filter:blur(9px);animation:haloPulse 3.8s ease-in-out infinite}
.src-burst{position:absolute;left:50%;top:44%;width:120px;height:120px;border-radius:50%;border:2.5px solid rgba(120,190,255,.9);transform:translate(-50%,-50%) scale(.1);opacity:0;animation:srcBurst 1.5s cubic-bezier(.2,.63,.3,1) .42s forwards}
@keyframes srcBurst{0%{opacity:.9}55%{opacity:.32}100%{opacity:0;border-width:.5px;transform:translate(-50%,-50%) scale(6.5)}}

/* 坠落水滴（从源头落向看板，滴水生数） */
.fall-drop{position:absolute;top:144px;left:283px;z-index:3;width:13px;height:17px;border-radius:50% 50% 50% 50%/62% 62% 38% 38%;background:linear-gradient(180deg,#C9EBFF,#4BA0F7 68%,#1D5BD8);box-shadow:0 0 9px rgba(59,144,246,.65),inset 0 -3px 4px rgba(13,50,120,.45),inset 2px 2px 3px rgba(255,255,255,.7);opacity:0;will-change:transform,opacity}
.fd1{--dx:-125px;--dy:170px;animation:fallDrop 3.6s linear .3s infinite}
.fd2{--dx:-37px;--dy:162px;animation:fallDrop 4.4s linear 1.4s infinite}
.fd3{--dx:30px;--dy:188px;animation:fallDrop 5.2s linear 2.4s infinite}
.fall-drop::after{content:'';position:absolute;left:50%;top:-3px;width:3.5px;height:16px;transform:translateX(-50%);background:linear-gradient(to top,rgba(140,205,255,.9),transparent);border-radius:3px;filter:blur(.4px)}
@keyframes fallDrop{
  0%,16%{opacity:0;transform:translate(0,-6px) scale(.7)}
  20%{opacity:1;transform:translate(0,0) scale(1)}
  32%{opacity:1;transform:translate(calc(var(--dx)*.06),calc(var(--dy)*.06)) scaleY(1.06)}
  46%{opacity:1;transform:translate(calc(var(--dx)*.26),calc(var(--dy)*.26)) scaleY(1.13)}
  60%{opacity:1;transform:translate(calc(var(--dx)*.62),calc(var(--dy)*.62)) scaleY(1.2)}
  67%{opacity:0;transform:translate(var(--dx),var(--dy)) scaleY(1.3)}
  100%{opacity:0;transform:translate(var(--dx),var(--dy)) scaleY(1.3)}
}

/* 设备定位 + 入场（外层） */
.device{will-change:transform}
.pc-wrap{position:absolute;top:172px;right:-16px;width:452px;z-index:2;animation:pcIn .95s cubic-bezier(.16,1,.3,1) .55s both}
.ph-wrap{position:absolute;bottom:6px;left:-14px;width:160px;z-index:4;animation:phIn .85s cubic-bezier(.16,1,.3,1) .72s both}
@keyframes pcIn{from{opacity:0;transform:translate(30px,24px) scale(.96)}to{opacity:1;transform:translate(0,0) scale(1)}}
@keyframes phIn{from{opacity:0;transform:translate(-26px,30px) scale(.95)}to{opacity:1;transform:translate(0,0) scale(1)}}

/* 设备持续悬浮（内层） */
.pc-win{position:relative;width:100%;background:#fff;border:1px solid rgba(226,235,250,.95);border-radius:15px;overflow:hidden;box-shadow:0 40px 80px -22px rgba(30,64,175,.34),0 12px 30px -12px rgba(30,64,175,.22);animation:pcFloat 7s ease-in-out 1.3s infinite}
@keyframes pcFloat{0%,100%{transform:rotate(-2deg) translateY(0)}50%{transform:rotate(-2deg) translateY(-8px)}}
.ph-win{position:relative;width:100%;background:#0B1220;border-radius:32px;padding:7px;box-shadow:0 34px 64px -18px rgba(8,20,50,.55),0 8px 22px -10px rgba(8,20,50,.4);animation:phFloat 6s ease-in-out 1.4s infinite}
@keyframes phFloat{0%,100%{transform:rotate(-4deg) translateY(0)}50%{transform:rotate(-4deg) translateY(-9px)}}

/* PC 浏览器 chrome */
.pc-chrome{display:flex;align-items:center;gap:11px;padding:9px 13px;border-bottom:1px solid #EEF2F8;background:#FBFCFE}
.pc-dots{display:flex;gap:6px}
.pc-dots i{width:10px;height:10px;border-radius:50%;background:#E2E7F0}
.pc-dots i:nth-child(1){background:#FB8B8B}.pc-dots i:nth-child(2){background:#F7C948}.pc-dots i:nth-child(3){background:#4ECB71}
.pc-url{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;height:23px;background:#F1F4F9;border-radius:8px;font-size:10.5px;color:#8A97AC}
.pc-url svg{width:10px;height:10px;fill:none;stroke:#9AA7BC;stroke-width:2}
.pc-actions svg{width:15px;height:15px;fill:#AAB5C7}

/* PC 看板内容 */
.pc-body{padding:13px 14px 15px}
.pc-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:11px}
.pk{background:#F7FAFE;border:1px solid #EDF1F8;border-radius:10px;padding:8px 10px}
.pk-l{display:block;font-size:9.5px;color:#8A97AC;margin-bottom:3px}
.pk-v{display:block;font-size:21px;font-weight:900;line-height:1}
.pk-v u{font-size:11px;font-weight:700;text-decoration:none;margin-left:1px}
.c-blue{color:#2563EB}.c-amber{color:#F59E0B}.c-ink{color:#0F1E3D}
.pk-d{display:inline-block;margin-top:4px;font-size:8.5px;padding:1.5px 6px;border-radius:999px}
.pk-d.up{color:#059669;background:#D1FAE5}.pk-d.down{color:#DC2626;background:#FEE2E2}
.pc-charts{display:grid;grid-template-columns:1.85fr 1fr;gap:11px}
.pcl-head,.pcd-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:5px}
.pcl-head b,.pcd-head b{font-size:10.5px;color:#1E293B}
.pcl-legend{display:flex;align-items:center;font-size:8.5px;color:#8A97AC}
.pcl-legend i{width:8px;height:8px;border-radius:2px;margin:0 3px 0 7px;display:inline-block}
.pcl-legend .lg-a{background:#22B8CF}.pcl-legend .lg-b{background:#2563EB;margin-left:7px}
.pcl-canvas{position:relative}
.pcl-svg{width:100%;height:118px;display:block}
.pc-l1,.pc-l2{stroke-dasharray:700;stroke-dashoffset:700;animation:drawLine 2.1s cubic-bezier(.6,0,.3,1) forwards .55s}
.pc-l2{animation-delay:.72s}
@keyframes drawLine{to{stroke-dashoffset:0}}
.pcd-svg{width:100%;height:86px;display:block;animation:donutIn 1.5s ease .95s both}
@keyframes donutIn{from{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}

/* 落点水花涟漪（与坠落水滴同步） */
.fall-splash{position:absolute;width:18px;height:7px;border:1.3px solid #53A5F2;border-radius:50%;opacity:0;transform:translate(-50%,-50%) scale(.3);will-change:transform,opacity}
.fall-splash::before{content:'';position:absolute;top:50%;left:50%;width:4px;height:4px;border-radius:50%;background:radial-gradient(circle,#FFFFFF,#7FC4FF);transform:translate(-50%,-50%)}
.fs1{left:29%;top:33%;animation:splashFx 3.6s linear .3s infinite}
.fs2{left:62.3%;top:26.6%;animation:splashFx 4.4s linear 1.4s infinite}
.fs3{left:87.3%;top:48.4%;animation:splashFx 5.2s linear 2.4s infinite}
@keyframes splashFx{0%,60%{opacity:0;transform:translate(-50%,-50%) scale(.3)}67%{opacity:1;border-color:#86CCFF;transform:translate(-50%,-50%) scale(1)}85%{opacity:0;border-color:#A6D2FA;transform:translate(-50%,-50%) scale(2.9)}100%{opacity:0;border-color:#A6D2FA;transform:translate(-50%,-50%) scale(2.9)}}

/* 手机小程序内容 */
.ph-notch{position:absolute;top:7px;left:50%;transform:translateX(-50%);width:64px;height:17px;background:#0B1220;border-radius:0 0 15px 15px;z-index:5}
.ph-body{background:#F5F8FE;border-radius:25px 25px 21px 21px;overflow:hidden}
.ph-top{display:flex;justify-content:space-between;align-items:center;padding:15px 15px 13px;background:linear-gradient(135deg,#1E5BE8,#2F8CF5);color:#fff}
.pht-greet small{display:block;font-size:8.5px;opacity:.85;margin-bottom:3px;white-space:nowrap}
.pht-greet b{font-size:15px;font-weight:800;white-space:nowrap}
.pht-ring{position:relative;width:42px;height:42px}
.pht-ring svg{width:42px;height:42px}.pht-ring span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700}
.ph-stats{display:flex;justify-content:space-around;padding:9px 6px;background:#fff;border-bottom:1px solid #EEF2F8}
.ph-stats span{font-size:8.5px;color:#8A97AC;text-align:center}
.ph-stats em{display:block;font-size:13px;font-weight:800;color:#1E293B;font-style:normal}
.ph-kpi{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding:9px}
.phk{background:#fff;border:1px solid #EDF1F8;border-radius:9px;padding:7px 9px;display:flex;justify-content:space-between;align-items:center}
.phk span{font-size:9px;color:#8A97AC}.phk b{font-size:13px;color:#2563EB}
.ph-chart{padding:0 9px 11px}
.phc-t{font-size:9.5px;font-weight:700;color:#1E293B;display:block;margin-bottom:4px}
.ph-chart svg{width:100%;height:62px;display:block}
.ph-chart polyline{stroke-dasharray:480;stroke-dashoffset:480;animation:drawLine 1.8s ease forwards .8s}
.ph-tab{display:flex;justify-content:space-around;padding:9px 4px 11px;background:#fff;border-top:1px solid #EEF2F8}
.ph-tab span{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:7.5px;color:#9AA7BC}
.ph-tab svg{width:15px;height:15px;fill:none;stroke:#9AA7BC;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ph-tab .on{color:#2563EB}.ph-tab .on svg{stroke:#2563EB}

/* 三端同步光链 */
.sync-link{position:absolute;left:136px;top:336px;width:172px;height:2px;z-index:3;transform:rotate(-22deg);transform-origin:left center;animation:slFade 1s ease 1.4s both}
@keyframes slFade{from{opacity:0}to{opacity:1}}
.sl-line{position:absolute;inset:0;border-top:1.5px dashed rgba(56,189,248,.5)}
.sl-dot{position:absolute;top:-3.5px;width:8px;height:8px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#EAF9FF,#38BDF8);box-shadow:0 0 9px 2px rgba(56,189,248,.7);animation:slMove 2.8s linear infinite}
.sl-dot.d2{animation-delay:-1.4s}
@keyframes slMove{0%{left:-8px;opacity:0}10%{opacity:1}90%{opacity:1}100%{left:172px;opacity:0}}

/* 浮动数据气泡 */
.float-chip{position:absolute;z-index:6;display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.95);border-radius:14px;padding:8px 13px 8px 8px;box-shadow:0 18px 40px -12px rgba(30,64,175,.3)}
.float-chip b{display:block;font-size:12.5px;color:#0F1E3D;white-space:nowrap}
.float-chip small{font-size:10px;color:#8A97AC;white-space:nowrap}
.fc-ic{width:31px;height:31px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.fc-ic svg{width:16px;height:16px;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.fc-ic.c-blue{background:#DBEAFE}.fc-ic.c-blue svg{stroke:#2563EB}
.fc-ic.c-cyan{background:#CFFAFE}.fc-ic.c-cyan svg{stroke:#06B6D4}
.fc-ic.c-violet{background:#EDE9FE}.fc-ic.c-violet svg{stroke:#7C3AED}
.fc1{top:30px;right:-6px;animation:chipFloat 5.2s ease-in-out infinite}
.fc2{bottom:118px;right:-4px;animation:chipFloat 6.2s ease-in-out -2.2s infinite}
.fc3{top:96px;left:-10px;animation:chipFloat 5.8s ease-in-out -1s infinite}
@keyframes chipFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* 氛围上升水滴 */
.droplet{position:absolute;width:6px;height:6px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#fff,#93C5FD);opacity:0;animation:rise linear infinite}
@keyframes rise{0%{transform:translateY(0) scale(.5);opacity:0}15%{opacity:.9}100%{transform:translateY(-130px) scale(1);opacity:0}}

/* Hero stage 响应式 */
@media(max-width:960px){.pc-wrap{right:-8px;width:410px;top:182px}.ph-wrap{left:-8px}}
@media(max-width:560px){
  .stage{height:590px}
  .src-drop{top:4px;left:calc(50% - 46px);width:92px}
  .drop-hero{width:92px;height:120px}
  .src-halo{width:66px;height:16px;bottom:-4px}
  .fall-drop{top:108px;left:calc(50% - 5px);width:10px;height:13px}
  .fd1{--dx:-42px;--dy:172px}
  .fd2{--dx:24px;--dy:164px}
  .fd3{--dx:74px;--dy:189px}
  .pc-wrap{top:150px;right:0;width:336px}
  .ph-wrap{width:118px;left:6px;bottom:6px}
  .sync-link{left:116px;top:350px;width:150px;transform:rotate(-18deg)}
  .fc1{top:20px;right:0}
  .fc2{bottom:96px;right:0}
  .fc3{display:none}
  .hero-stats{margin-top:28px}
  .hstat{flex:1 1 0;min-width:0;padding:2px 12px}
  .hstat:first-child{padding-left:0}
  .hstat .num{font-size:26px}
  .hstat .lbl{font-size:11px;line-height:1.45}
}

/* ===== Sections ===== */
section{padding:clamp(88px,10vw,120px) 0;position:relative}
.sec-head{max-width:680px;margin:0 auto 64px;text-align:center}
.sec-tag{font-size:12.5px;font-weight:700;letter-spacing:.18em;color:var(--blue);text-transform:uppercase;margin-bottom:16px;display:block}
.sec-head h2{font-size:clamp(28px,3.6vw,44px);font-weight:900;color:var(--ink);letter-spacing:-.01em;line-height:1.26;margin-bottom:18px;text-wrap:balance}
.sec-head p{font-size:16px;color:var(--muted);line-height:1.85;text-wrap:pretty}

.pain{background:linear-gradient(180deg,transparent,rgba(219,234,254,.35) 20%,rgba(219,234,254,.35) 80%,transparent)}
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.pain-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.pain-grid{grid-template-columns:1fr}}
.pcard{
  background:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.9);border-radius:20px;padding:28px 26px;
  backdrop-filter:blur(10px);box-shadow:var(--shadow-card);
  transition:transform .3s, box-shadow .3s;position:relative;overflow:hidden;
}
.pcard::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad-crystal);transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.pcard:hover::before{transform:scaleX(1)}
.pcard .ic{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,#DBEAFE,#E0E7FF);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.pcard .ic svg{width:24px;height:24px;stroke:var(--blue);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.pcard h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px}
.pcard p{font-size:14px;color:var(--muted);line-height:1.7}

/* 痛点卡片微图形 */
.pcard-visual{height:74px;border-radius:14px;background:linear-gradient(135deg,#F7FAFF,#EDF3FE);border:1px solid #E8EEF9;margin-bottom:18px;position:relative;overflow:hidden}
.pcard-visual::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 18%,rgba(255,255,255,.9),transparent 55%)}
.pv-mix i{position:absolute;left:16px;height:7px;border-radius:4px;background:#CBD9F2;z-index:1}
.pv-mix i:nth-child(1){top:13px;width:52%;background:#A9C3EC}
.pv-mix i:nth-child(2){top:27px;width:76%;transform:rotate(-1deg)}
.pv-mix i:nth-child(3){top:41px;width:40%;background:#A9C3EC}
.pv-mix i:nth-child(4){top:55px;width:64%;transform:rotate(.7deg)}
.pv-mix i:nth-child(5){top:69px;width:26%}
.pv-chain{display:flex;align-items:center;justify-content:center}
.pv-chain i{width:15px;height:15px;border-radius:50%;background:var(--blue);position:relative;z-index:1;box-shadow:0 2px 6px rgba(37,99,235,.3)}
.pv-chain i::before{content:"";position:absolute;top:50%;left:16px;width:30px;height:2.5px;background:#BFDBFE;border-radius:2px}
.pv-chain i:last-child::before{display:none}
.pv-chain i.broken{background:#DDE6F4;box-shadow:none}
.pv-chain i.broken::before{background:repeating-linear-gradient(90deg,#DDE6F4 0 5px,transparent 5px 10px)}
.pv-void{display:flex;align-items:center;justify-content:center}
.pv-void i{width:58px;height:38px;border:2px dashed #C9D8F2;border-radius:10px;position:relative;z-index:1}
.pv-void i::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:12px;border-radius:50%;background:#E2E8F0;transform:translate(-50%,-50%)}
.pv-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:7px;padding:13px}
.pv-grid i{background:#DCE7F8;border-radius:7px}
.pv-grid i:nth-child(4){background:transparent;border:1.5px dashed #C9D8F2}

/* ===== 三层模型 · 交互演示 ===== */
.layers-sec{background:linear-gradient(180deg,transparent,rgba(237,243,254,.6) 30%,rgba(237,243,254,.6) 75%,transparent)}
.ld-tabs{display:flex;justify-content:center;gap:6px;background:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.9);padding:6px;border-radius:999px;width:max-content;max-width:100%;margin:0 auto 46px;box-shadow:0 10px 30px rgba(30,64,175,.08);backdrop-filter:blur(10px);flex-wrap:wrap;justify-content:center}
.ld-tab{display:inline-flex;align-items:center;gap:8px;border:0;background:none;padding:11px 22px;border-radius:999px;font-size:15px;font-weight:700;color:var(--muted);cursor:pointer;transition:color .3s,background .3s,box-shadow .3s;white-space:nowrap}
.ld-tab small{font-weight:400;font-size:12px;color:var(--muted-2);transition:color .3s}
.ld-tab svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.ld-tab:hover{color:var(--ink)}
/* active 态视觉由 .tab-ink 滑块承担（见增强层） */

.ld-stage{position:relative;max-width:880px;margin:0 auto;transition:opacity .3s}
.ld-row{position:relative;padding-top:26px;transition:opacity .45s,filter .45s}
.ld-row::before{
  content:"";position:absolute;top:0;left:10%;right:10%;height:2px;border-radius:2px;z-index:1;
  background:linear-gradient(90deg,rgba(191,219,254,0),#BFDBFE 15%,#2563EB 50%,#BFDBFE 85%,rgba(191,219,254,0));
  background-size:200% 100%;animation:ldFlow 3.4s linear infinite;
}
@keyframes ldFlow{from{background-position:100% 0}to{background-position:-100% 0}}
.ld-row-project{padding-top:0}
.ld-row-project::before{display:none}
.ld-row-project::after,.ld-row-task::after{
  content:"";position:absolute;left:50%;top:100%;width:2px;height:26px;z-index:1;
  background:linear-gradient(180deg,#93C5FD,#BFDBFE);
}
.ld-card{position:relative;background:#fff;border:1px solid #E8EEF9;border-radius:16px;box-shadow:0 14px 34px -14px rgba(30,64,175,.18);transition:transform .35s var(--ease-out),box-shadow .35s,opacity .45s,filter .45s}
.ld-card::before{content:"";position:absolute;left:50%;top:-26px;width:2px;height:26px;background:linear-gradient(180deg,#BFDBFE,#93C5FD);z-index:1}
.ld-row-project .ld-card::before{display:none}
.ld-card:hover{transform:translateY(-4px);box-shadow:0 22px 44px -14px rgba(30,64,175,.28)}

.ld-project-card{max-width:520px;margin:0 auto;padding:20px 24px;display:grid;gap:12px}
.ldp-top{display:flex;align-items:center;justify-content:space-between}
.ldp-days{font-size:12px;font-weight:700;color:var(--blue);background:#EFF6FF;border:1px solid #DBEAFE;padding:3px 10px;border-radius:999px}
.ldp-title{font-size:19px;font-weight:900;color:var(--ink);letter-spacing:-.01em}
.ldp-meta{display:flex;align-items:center;gap:16px}
.ldp-ring{position:relative;width:52px;height:52px;flex-shrink:0}
.ldp-ring svg{width:52px;height:52px}
.ldp-arc{stroke-dasharray:113.1;stroke-dashoffset:43;animation:ldArc 1.6s cubic-bezier(.16,1,.3,1) both}
@keyframes ldArc{from{stroke-dashoffset:113.1}}
.ldp-ring span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:900;color:var(--ink)}
.ldp-stats{display:grid;gap:4px;font-size:12.5px;color:var(--muted)}
.ldp-stats b{color:var(--ink);font-weight:800}

.ld-row-task{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ld-task-card{padding:16px 16px 14px;display:grid;gap:7px}
.ld-task-card .pill{justify-self:start}
.ld-task-card b{font-size:14.5px;color:var(--ink);line-height:1.45}
.ld-task-card small{font-size:11.5px;color:var(--muted-2)}
.ld-task-card.is-done{border-color:#BBF7D0;background:linear-gradient(180deg,#F6FEF9,#fff)}
.ld-task-card.is-doing{border-color:#BFDBFE;background:linear-gradient(180deg,#F5F9FF,#fff);box-shadow:0 14px 34px -12px rgba(37,99,235,.28)}
.ld-row-habit{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ld-habit-card{padding:16px 12px 14px;display:grid;justify-items:center;gap:8px;text-align:center}
.ld-habit-card b{font-size:13px;color:var(--ink);line-height:1.4}
.ld-habit-card small{font-size:11px;color:var(--muted-2)}
.ldh-ring{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;position:relative;background:conic-gradient(#2563EB calc(var(--p)*1%),#E8EEF9 0)}
.ldh-ring i{position:absolute;inset:4px;border-radius:50%;background:#fff}
.ldh-ring em{position:relative;font-style:normal;font-size:11px;font-weight:900;color:var(--ink)}

/* 焦点态：未选中的层柔化 */
.ld-stage[data-focus="project"] .ld-row-task,.ld-stage[data-focus="project"] .ld-row-habit,
.ld-stage[data-focus="task"] .ld-row-project,.ld-stage[data-focus="task"] .ld-row-habit,
.ld-stage[data-focus="habit"] .ld-row-project,.ld-stage[data-focus="habit"] .ld-row-task{opacity:.34;filter:saturate(.45)}
.ld-stage[data-focus="task"] .ld-row-project,.ld-stage[data-focus="habit"] .ld-row-project{opacity:.5}

.ld-desc{max-width:760px;margin:40px auto 0;text-align:center}
.ld-desc p{font-size:15.5px;color:var(--muted);line-height:1.9}
.ld-desc p b{color:var(--ink);font-weight:800}
.ld-desc p.ld-in{animation:descIn .5s var(--ease-out)}
@keyframes descIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.ld-auto{display:flex;align-items:center;justify-content:center;gap:9px;margin:26px auto 0;width:max-content;max-width:100%;background:rgba(255,255,255,.8);border:1px dashed rgba(37,99,235,.35);border-radius:999px;padding:10px 20px;font-size:13.5px;color:var(--blue-deep);font-weight:600;box-shadow:0 8px 24px rgba(30,64,175,.08)}
.ld-auto svg{width:17px;height:17px;stroke:var(--blue);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
@media(max-width:720px){
  .ld-row-task{grid-template-columns:1fr;gap:14px}
  .ld-row-habit{grid-template-columns:repeat(2,1fr);gap:12px}
  .ld-row::before{left:8%;right:8%}
  .ld-card::before{display:none}
  .ld-row-project::after,.ld-row-task::after{display:none}
  .ld-row{padding-top:18px}
}

/* ===== 核心能力 ===== */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:34px 0}
@media(max-width:900px){.feat{grid-template-columns:1fr;gap:36px}}
.feat.rev .feat-media{order:2}
.feat h3{font-size:clamp(24px,2.6vw,32px);font-weight:900;color:var(--ink);margin-bottom:16px;line-height:1.3;letter-spacing:-.01em}
.feat .lead{font-size:16px;color:var(--muted);margin-bottom:26px;line-height:1.9}
.flist{list-style:none}
.flist li{display:flex;gap:12px;padding:10px 0;font-size:15.5px;color:var(--ink-2);line-height:1.6}
.flist li+li{border-top:1px dashed #EDF2FA}
.flist li svg{width:20px;height:20px;flex-shrink:0;margin-top:2px;stroke:var(--blue);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.feat-media{
  background:linear-gradient(135deg,rgba(255,255,255,.8),rgba(219,234,254,.5));
  border:1px solid rgba(255,255,255,.9);border-radius:26px;padding:28px;
  box-shadow:0 30px 60px rgba(30,64,175,.12);backdrop-filter:blur(12px);
}
.mockwin{background:rgba(255,255,255,.9);border-radius:18px;border:1px solid var(--line);overflow:hidden}
.mw-bar{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid #EEF3FB;background:#F7FAFF;position:relative;align-items:center}
.mw-bar i{width:10px;height:10px;border-radius:50%;background:#E2E8F0}
.mw-bar i:nth-child(1){background:#FCA5A5}.mw-bar i:nth-child(2){background:#FCD34D}.mw-bar i:nth-child(3){background:#86EFAC}
.mw-bar::after{content:"";height:14px;border-radius:7px;background:#EDF2FA;margin-left:10px;flex:1;max-width:240px}
.mw-body{padding:16px}
.mw-row{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:13.5px;border-bottom:1px dashed #EEF3FB;color:var(--ink-2)}
.mw-row:last-child{border:0}
.mw-row>span:not(.pill){margin-left:auto;text-align:right}
.pill{font-size:11px;padding:2px 9px;border-radius:999px;font-weight:500;flex-shrink:0}
.pill-blue{background:#DBEAFE;color:var(--blue-deep)}
.pill-green{background:#DCFCE7;color:#15803D}
.pill-amber{background:#FEF3C7;color:#B45309}
.pill-gray{background:#F1F5F9;color:#64748B}
.pill-violet{background:#EDE9FE;color:#6D28D9}

/* 打卡按钮（可交互演示） */
.check-btn{margin-left:auto;border:0;cursor:pointer;flex-shrink:0;background:linear-gradient(135deg,#1E40AF,#2563EB 60%,#2F8CF5);color:#fff;font-size:12px;font-weight:700;padding:6px 16px;border-radius:999px;box-shadow:0 6px 16px -4px rgba(37,99,235,.5);transition:transform .2s,box-shadow .2s,background .3s}
.check-btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px -4px rgba(37,99,235,.6)}
.check-btn:active{transform:scale(.94)}
.mw-habit.is-checked .check-btn{background:linear-gradient(135deg,#059669,#10B981);box-shadow:0 6px 16px -4px rgba(16,185,129,.5)}
.mw-habit.is-checked .check-btn::before{content:"✓ "}
.mw-tip{display:flex;align-items:center;gap:8px;margin-top:12px;background:#EFF6FF;border:1px solid #DBEAFE;border-radius:10px;padding:8px 12px;font-size:12px;color:var(--blue-deep)}
.mw-tip svg{width:15px;height:15px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* 热力图 */
.heatmap{display:grid;grid-template-columns:repeat(12,1fr);gap:4px;margin-top:10px}
.heatmap i{aspect-ratio:1;border-radius:3px;background:#E8EEF9;transition:transform .25s,opacity .4s}
.heatmap i:hover{transform:scale(1.25)}
.heatmap i:nth-child(3n){background:#BFDBFE}.heatmap i:nth-child(5n){background:#60A5FA}
.heatmap i:nth-child(7n){background:#2563EB}.heatmap i:nth-child(11n){background:#1E40AF}
.heatmap-lg{grid-template-columns:repeat(21,1fr);gap:3px;margin-top:12px}
.heatmap-lg i{opacity:0;transform:scale(.4);border-radius:2.5px}
.heatmap-lg.fill i{animation:hmIn .5s var(--ease-out) forwards}
@keyframes hmIn{to{opacity:1;transform:scale(1)}}
.heatmap-legend{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:8px;font-size:10.5px;color:#8A97AC}
.heatmap-legend i{width:10px;height:10px;border-radius:2.5px}
.hl-0{background:#E8EEF9}.hl-1{background:#BFDBFE}.hl-2{background:#60A5FA}.hl-3{background:#2563EB}.hl-4{background:#1E40AF}

/* ===== 使用场景 ===== */
.scenes-sec{background:linear-gradient(180deg,#FFFFFF 0%,#EDF3FE 18%,#EDF3FE 82%,#FFFFFF 100%)}
.scene-tabs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:48px}
.scene-tab{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.7);backdrop-filter:blur(10px);padding:11px 22px;border-radius:999px;font-size:15px;font-weight:700;color:var(--muted);cursor:pointer;box-shadow:var(--shadow-card);transition:all .3s}
.scene-tab svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.scene-tab:hover{color:var(--ink);transform:translateY(-2px)}
/* active 态视觉由 .tab-ink 滑块承担（见增强层） */
.scene-panel{display:none}
.scene-panel.is-active{display:grid;grid-template-columns:1fr 1.08fr;gap:48px;align-items:center;animation:sceneIn .55s var(--ease-out)}
@keyframes sceneIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@media(max-width:900px){.scene-panel.is-active{grid-template-columns:1fr;gap:34px}}
.scene-copy h3{font-size:clamp(24px,2.6vw,32px);font-weight:900;color:var(--ink);line-height:1.32;letter-spacing:-.01em;margin-bottom:18px}
.scene-copy>p{font-size:15.5px;color:var(--muted);line-height:1.9;margin-bottom:24px}

/* 场景产品 mock */
.scene-mock{background:#fff;border:1px solid #E8EEF9;border-radius:22px;padding:22px;box-shadow:0 30px 60px -18px rgba(30,64,175,.22);position:relative;overflow:hidden}
.scene-mock::before{content:"";position:absolute;top:0;left:0;right:0;height:120px;background:linear-gradient(180deg,rgba(239,246,255,.9),transparent);pointer-events:none}
.sm-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;position:relative}
.sm-head b{font-size:16.5px;font-weight:900;color:var(--ink)}
.sm-countdown{font-size:13px;color:var(--muted);margin-bottom:10px;position:relative}
.sm-countdown em{font-style:normal;font-weight:900;color:var(--blue);font-size:15px}
.sm-progress{height:8px;border-radius:99px;background:#EDF2FA;overflow:hidden;margin-bottom:16px;position:relative}
.sm-progress i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#2563EB,#38BDF8);width:0;transition:width 1s var(--ease-out) .2s}
.scene-panel.is-active .sm-progress i{width:var(--w,46%)}
.sm-rows{display:grid;gap:2px;position:relative}
.sm-row{display:flex;align-items:center;gap:10px;padding:11px 2px;font-size:13.5px;color:var(--ink-2);border-bottom:1px dashed #EEF3FB}
.sm-row:last-child{border:0}
.sm-row small{margin-left:auto;font-size:11.5px;color:var(--muted-2);text-align:right;white-space:nowrap}
.sm-row b.sm-num{margin-left:auto;font-size:13.5px;color:var(--blue)}
.sm-foot{margin-top:14px;background:#F5F8FE;border:1px solid #EDF2FA;border-radius:12px;padding:10px 14px;font-size:12.5px;color:var(--muted);position:relative}
.sm-foot b{color:var(--ink);font-weight:800}
.sm-chart{position:relative;margin:6px 0 14px}
.sm-chart svg{width:100%;height:96px;display:block}
.sm-chart-t{display:block;font-size:11.5px;color:var(--muted-2);margin-top:6px}
.fit-line{stroke-dasharray:600;stroke-dashoffset:600}
.scene-panel.is-active .fit-line{animation:drawLine 1.5s var(--ease-out) .25s forwards}
.fit-area{opacity:0}
.scene-panel.is-active .fit-area{animation:fadeIn .9s ease .9s forwards}
@keyframes fadeIn{to{opacity:1}}
.fit-dot{opacity:0;transform-origin:254px 72px}
.scene-panel.is-active .fit-dot{animation:hmIn .4s ease 1.5s forwards}
.sm-books{display:grid;gap:12px;margin:14px 0 16px;position:relative}
.sm-book{display:flex;align-items:center;gap:12px;font-size:13.5px}
.sm-book b{font-weight:700;color:var(--ink);min-width:96px}
.sm-bar{flex:1;height:7px;border-radius:99px;background:#EDF2FA;overflow:hidden}
.sm-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#2563EB,#38BDF8)}
.sm-book em{font-style:normal;font-size:12px;font-weight:800;color:var(--blue);min-width:38px;text-align:right}
.sm-review{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px;background:linear-gradient(135deg,#EFF6FF,#F5F3FF);border:1px solid #DBEAFE;border-radius:14px;padding:12px 16px;font-size:12.5px;color:var(--muted);position:relative}
.sm-review b{font-size:13px;color:var(--ink);font-weight:800;margin-right:6px}
.sm-review em{font-style:normal;font-weight:900;color:var(--blue);font-size:14px;margin:0 2px}

/* ===== 一天时间线 ===== */
.day-sec{background:linear-gradient(180deg,transparent,rgba(219,234,254,.28) 25%,rgba(219,234,254,.28) 75%,transparent)}
.tl-track{position:relative;max-width:1080px;margin:0 auto}
.tl-line{position:absolute;top:57px;left:3%;right:3%;height:2px;background:#DBE8FB;border-radius:2px;overflow:hidden}
.tl-progress{display:block;height:100%;width:0;background:linear-gradient(90deg,#2563EB,#38BDF8);box-shadow:0 0 10px rgba(37,99,235,.4);transition:width 1.4s var(--ease-out)}
.tl-track.in .tl-progress{width:100%}
.tl-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.tl-item{display:flex;flex-direction:column;align-items:center;text-align:center}
.tl-time{font-size:13px;font-weight:900;color:var(--blue);letter-spacing:.04em;margin-bottom:14px;font-variant-numeric:tabular-nums}
.tl-node{width:44px;height:44px;border-radius:50%;background:#fff;border:1.5px solid #DBE8FB;display:flex;align-items:center;justify-content:center;margin-bottom:16px;position:relative;z-index:1;box-shadow:0 10px 24px -8px rgba(30,64,175,.25);transition:transform .35s var(--ease-out),border-color .35s,box-shadow .35s}
.tl-node svg{width:20px;height:20px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tl-item:hover .tl-node{transform:scale(1.12) translateY(-2px);border-color:var(--blue);box-shadow:0 14px 30px -8px rgba(37,99,235,.4)}
.tl-card{background:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.9);border-radius:16px;padding:18px 16px;box-shadow:var(--shadow-card);backdrop-filter:blur(10px);transition:transform .3s,box-shadow .3s;flex:1;display:flex;flex-direction:column;gap:8px}
.tl-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.tl-card h4{font-size:15px;font-weight:800;color:var(--ink)}
.tl-card p{font-size:12.5px;color:var(--muted);line-height:1.65}
@media(max-width:960px){
  .tl-line{display:none}
  .tl-grid{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media(max-width:1024px) and (min-width:961px){
  .tl-grid{grid-template-columns:repeat(3,1fr);gap:20px}
}
@media(max-width:560px){
  .tl-grid{grid-template-columns:1fr;gap:14px}
  .tl-item{flex-direction:row;text-align:left;align-items:flex-start;gap:14px}
  .tl-time{margin-bottom:0;padding-top:10px;min-width:46px}
  .tl-node{margin-bottom:0;flex-shrink:0}
}

/* ===== 三端同步 ===== */
.sync-sec{background:linear-gradient(180deg,#FFFFFF 0%,#EDF3FE 20%,#EDF3FE 80%,#FFFFFF 100%)}
.sync-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:960px;margin:0 auto}
@media(max-width:860px){.sync-trio{grid-template-columns:1fr;max-width:340px}}
.dev{
  background:var(--glass);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.9);border-radius:22px;
  padding:22px;text-align:center;box-shadow:0 20px 50px rgba(30,64,175,.12);transition:transform .3s;
}
.dev:hover{transform:translateY(-5px)}
.dev .frame{height:158px;border-radius:14px;background:linear-gradient(135deg,#EFF6FF,#fff);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:16px;position:relative;overflow:hidden}
.dev .frame img{width:64px;height:64px;object-fit:contain;filter:drop-shadow(0 8px 14px rgba(37,99,235,.3))}
.dev .dev-tag{position:absolute;top:10px;left:10px;font-size:10.5px;font-weight:600;color:var(--blue);background:#fff;border:1px solid var(--line);padding:3px 9px;border-radius:999px}
.dev h4{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px}
.dev p{font-size:13px;color:var(--muted);line-height:1.6}
.sync-chain{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:38px;flex-wrap:wrap}
.chain-step{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);background:rgba(255,255,255,.7);border:1px solid var(--line);padding:9px 16px;border-radius:999px;backdrop-filter:blur(8px)}
.chain-step svg{width:16px;height:16px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.chain-arrow{position:relative;width:26px;height:16px;display:inline-flex;align-items:center;justify-content:center}
.chain-arrow::after{content:"";position:absolute;top:50%;left:0;width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 8px rgba(37,99,235,.7);transform:translateY(-50%);animation:flowDot 1.7s linear infinite}
@keyframes flowDot{0%{left:-6px;opacity:0}25%{opacity:1}75%{opacity:1}100%{left:24px;opacity:0}}
.chain-chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--blue-deep);background:rgba(219,234,254,.5);border:1px solid rgba(191,219,254,.7);padding:8px 15px;border-radius:999px}
.chain-chip svg{width:14px;height:14px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ===== 插曲 ===== */
.interlude{padding:120px 0;text-align:center;position:relative;overflow:hidden}
.interlude::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 60% at 50% 50%,rgba(96,165,250,.12),transparent 70%);
}
.interlude-art{
  width:272px;height:272px;margin:0 auto 40px;border-radius:40px;overflow:hidden;position:relative;
  background:#F1F3F7;
  box-shadow:0 44px 90px -28px rgba(30,64,175,.4),0 0 0 1px rgba(255,255,255,.9),0 0 0 8px rgba(255,255,255,.5);
  transform-style:preserve-3d;
}
.interlude-art img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease-out)}
.interlude-art:hover img{transform:scale(1.09)}
.interlude-art::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(160deg,rgba(255,255,255,.28),transparent 45%);pointer-events:none}
.interlude .serif{
  font-family:"STKaiti","KaiTi","Kaiti SC","Songti SC","Noto Serif SC",serif;
  font-size:clamp(34px,5vw,58px);font-weight:600;color:var(--ink);
  letter-spacing:.08em;line-height:1.35;
}
.interlude .serif .crystal{letter-spacing:.08em;font-weight:800}
.interlude .sub{margin-top:22px;font-size:16px;color:var(--muted);max-width:480px;margin-left:auto;margin-right:auto;line-height:1.85}

/* ===== Dark jewel box ===== */
.jewel{background:radial-gradient(ellipse 80% 80% at 50% 0%,#10224A 0%,#0A1428 60%,#060D1D 100%);color:#fff;position:relative;overflow:hidden;border-radius:0}
.jewel::before{
  content:"";position:absolute;top:-200px;left:50%;transform:translateX(-50%);
  width:700px;height:400px;background:radial-gradient(ellipse,rgba(56,189,248,.18),transparent 70%);
}
.jewel .sec-tag{color:#7DD3FC}
.jewel .sec-head h2{color:#fff}
.jewel .sec-head p{color:#8FA8CC}
.diff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative}
@media(max-width:900px){.diff-grid{grid-template-columns:1fr}}
.dcard{
  background:rgba(255,255,255,.04);border:1px solid rgba(125,211,252,.15);border-radius:22px;padding:34px 30px;
  backdrop-filter:blur(8px);transition:all .3s;position:relative;overflow:hidden;
}
.dcard:hover{background:rgba(255,255,255,.07);border-color:rgba(125,211,252,.35);transform:translateY(-4px)}
.dcard::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#7DD3FC,transparent);opacity:0;transition:opacity .3s}
.dcard:hover::before{opacity:1}
.dcard .big{font-size:46px;font-weight:900;line-height:1;margin-bottom:14px}
.dcard .big em{font-style:normal;background:linear-gradient(120deg,#7DD3FC,#818CF8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;background-size:200% 100%;animation:gradShift 4.5s ease-in-out infinite alternate}
.dcard h3{font-size:18px;font-weight:700;margin-bottom:12px;color:#fff}
.dcard p{font-size:14.5px;color:#9DB4D6;line-height:1.85}
.dcard .dicon{width:44px;height:44px;border-radius:12px;background:rgba(125,211,252,.12);border:1px solid rgba(125,211,252,.2);display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:transform .35s cubic-bezier(.16,1,.3,1),border-color .3s}
.dcard .dicon svg{width:22px;height:22px;stroke:#7DD3FC;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.dcard:hover .dicon{transform:rotate(10deg) scale(1.08);border-color:rgba(125,211,252,.5)}

/* ===== 对比表 ===== */
.compare-sec{background:linear-gradient(180deg,transparent,rgba(237,243,254,.55) 30%,rgba(237,243,254,.55) 72%,transparent)}
.cmp-wrap{max-width:960px;margin:0 auto;overflow-x:auto;-webkit-overflow-scrolling:touch}
.cmp-table{min-width:760px;display:grid;grid-template-columns:1.15fr 1fr 1fr 1.2fr;background:#fff;border:1px solid #E8EEF9;border-radius:24px;overflow:hidden;box-shadow:0 30px 60px -18px rgba(30,64,175,.18)}
.cmp-row{display:contents}
.cmp-cell{padding:15px 16px;font-size:13.5px;color:var(--ink-2);border-bottom:1px solid #EEF3FB;display:flex;align-items:center;line-height:1.55}
.cmp-row:last-child .cmp-cell{border-bottom:0}
.cmp-head .cmp-cell{background:#F8FAFF;font-size:13px;font-weight:800;color:var(--ink);padding:18px 16px}
.cmp-c-label{font-weight:700;color:var(--ink)}
.cmp-cell.cmp-us{background:linear-gradient(180deg,#F0F6FF,#EBF3FF);box-shadow:inset 1px 0 0 rgba(37,99,235,.14),inset -1px 0 0 rgba(37,99,235,.14)}
.cmp-head .cmp-cell.cmp-us{background:linear-gradient(135deg,#1E40AF,#2563EB 60%,#2F8CF5);color:#fff;box-shadow:none}
.cmp-tag{display:inline-block;font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;white-space:nowrap}
.t-yes{color:#15803D;background:#DCFCE7}
.t-no{color:#94A3B8;background:#F1F5F9}
.t-mid{color:#B45309;background:#FEF3C7}
.cmp-us .t-yes{color:#fff;background:linear-gradient(135deg,#059669,#10B981)}
.cmp-note{text-align:center;font-size:12px;color:var(--muted-2);margin-top:18px}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.9);border-radius:18px;
  backdrop-filter:blur(10px);box-shadow:var(--shadow-card);
  overflow:hidden;transition:border-color .3s,box-shadow .3s;
}
.faq-item[open]{border-color:rgba(37,99,235,.35);box-shadow:0 18px 44px rgba(30,64,175,.12)}
.faq-item summary{
  display:flex;align-items:center;gap:12px;cursor:pointer;list-style:none;
  padding:19px 24px;font-size:16px;font-weight:700;color:var(--ink);
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--blue-deep)}
.faq-item .qicon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;background:#DBEAFE;color:var(--blue);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}
.faq-item .qarrow{margin-left:auto;flex-shrink:0;width:24px;height:24px;position:relative}
.faq-item .qarrow::before,.faq-item .qarrow::after{
  content:"";position:absolute;background:var(--blue);border-radius:1px;top:50%;left:50%;
  transform:translate(-50%,-50%);transition:transform .3s;
}
.faq-item .qarrow::before{width:14px;height:2px}
.faq-item .qarrow::after{width:2px;height:14px}
.faq-item[open] .qarrow::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-body{padding:0 24px 22px 62px;font-size:14.5px;color:var(--muted);line-height:1.9;animation:faqIn .4s var(--ease-out)}
@keyframes faqIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@media(max-width:560px){
  .faq-item summary{padding:17px 18px;font-size:15px;gap:10px}
  .faq-body{padding:0 18px 18px;font-size:14px;line-height:1.85}
}

/* ===== 下载 ===== */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:980px;margin:0 auto}
@media(max-width:860px){.dl-grid{grid-template-columns:1fr;max-width:340px}}
.dl-card{
  background:rgba(255,255,255,.75);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.9);border-radius:24px;
  padding:32px 28px;text-align:center;box-shadow:0 24px 60px rgba(30,64,175,.12);transition:transform .3s, box-shadow .3s;
  position:relative;
}
.dl-card:hover{transform:translateY(-6px);box-shadow:0 34px 70px rgba(37,99,235,.18)}
.dl-card .dl-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:15px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#DBEAFE,#E0E7FF);transition:transform .35s cubic-bezier(.16,1,.3,1)}
.dl-card .dl-icon svg{width:26px;height:26px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.dl-card:hover .dl-icon{transform:rotate(-8deg) scale(1.08)}
.dl-card h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px}
.dl-card .dl-desc{font-size:13px;color:var(--muted);margin-bottom:18px;line-height:1.6}
.dl-card .qrbox{width:168px;height:168px;margin:0 auto 12px;background:#fff;border-radius:14px;padding:10px;border:1px solid var(--line);position:relative;overflow:hidden}
.dl-card .qrbox img,.dl-card .qrbox canvas,.dl-card .qrbox svg{width:100%;height:100%;display:block}
.dl-card .qrbox::after{content:"";position:absolute;left:0;right:0;top:0;height:45%;background:linear-gradient(180deg,transparent,rgba(37,99,235,.16),transparent);animation:qrScan 2.8s ease-in-out infinite;pointer-events:none}
@keyframes qrScan{0%,100%{transform:translateY(-60%)}50%{transform:translateY(250%)}}
.dl-card .qr-note{font-size:12.5px;color:var(--ink);font-weight:600}
.dl-card .qr-sub{font-size:11.5px;color:var(--muted-2);margin-top:3px}
.store-badges{display:flex;gap:8px;justify-content:center;margin:14px 0 4px;flex-wrap:wrap}
.store-badge{display:inline-flex;align-items:center;gap:7px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:10px;font-size:12px;font-weight:600}
.store-badge svg{width:15px;height:15px;fill:#fff}
.web-open{display:inline-flex;align-items:center;gap:8px;margin-top:10px;background:var(--blue);color:#fff;padding:13px 26px;border-radius:12px;font-size:14.5px;font-weight:600;transition:all .25s;box-shadow:0 10px 28px rgba(37,99,235,.3)}
.web-open:hover{background:var(--blue-deep);transform:translateY(-2px)}
.web-url{margin-top:12px;font-size:13px;color:var(--muted);font-family:ui-monospace,monospace}
.rec-badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#2563EB,#38BDF8);color:#fff;font-size:11.5px;font-weight:700;padding:4px 14px;border-radius:999px;box-shadow:0 8px 20px rgba(37,99,235,.4);z-index:3}

/* 最终 CTA 横幅 */
.cta-band{
  position:relative;overflow:hidden;margin-top:80px;border-radius:36px;
  background:radial-gradient(ellipse 90% 120% at 85% 20%,#2F8CF5 0%,#2563EB 45%,#1E40AF 100%);
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
  padding:64px 72px;color:#fff;
  box-shadow:0 40px 90px -24px rgba(30,64,175,.55);
}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.14) 1px,transparent 0);background-size:30px 30px;pointer-events:none}
.cta-band::after{content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.35),transparent 70%);filter:blur(30px);pointer-events:none}
.cta-kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.18em;color:rgba(255,255,255,.75);margin-bottom:14px}
.cta-band h3{font-size:clamp(26px,3vw,40px);font-weight:900;line-height:1.28;letter-spacing:-.01em;margin-bottom:14px}
.cta-band>div>p{font-size:15.5px;color:rgba(255,255,255,.85);line-height:1.8;margin-bottom:28px;max-width:460px}
.btn-light{background:#fff;color:var(--blue-deep);box-shadow:0 16px 40px rgba(8,20,50,.35)}
.btn-light:hover{box-shadow:0 22px 54px rgba(8,20,50,.45)}
.btn-light::after{background:linear-gradient(100deg,transparent,rgba(37,99,235,.18),transparent)}
.cta-art{position:relative;display:flex;justify-content:center}
.cta-art img{width:min(300px,100%);height:auto;aspect-ratio:1;object-fit:cover;border-radius:32px;filter:drop-shadow(0 30px 50px rgba(8,20,50,.45));animation:ctaFloat 6s ease-in-out infinite}
@keyframes ctaFloat{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-12px) rotate(-2deg)}}
@media(max-width:860px){
  .cta-band{grid-template-columns:1fr;padding:44px 32px;border-radius:28px;text-align:center}
  .cta-band>div>p{margin-left:auto;margin-right:auto}
  .cta-art{order:-1}
  .cta-art img{width:200px}
}

/* ===== Footer ===== */
footer{padding:56px 0 44px;border-top:1px solid var(--line);color:var(--muted);font-size:13.5px;background:linear-gradient(180deg,transparent,rgba(219,234,254,.28))}
.foot-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;padding-bottom:22px}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{font-size:13px;color:var(--muted);transition:color .2s;position:relative}
.foot-links a:hover{color:var(--blue)}
.foot-slogan{color:var(--muted-2)}
.foot-beian{display:flex;justify-content:center;align-items:center;gap:8px 20px;flex-wrap:wrap;padding-top:20px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted-2)}
.foot-beian a{color:var(--muted-2);transition:color .2s}
.foot-beian a:hover{color:var(--blue)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding-top:22px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted-2)}
.foot-bottom a{color:var(--muted-2);transition:color .2s}
.foot-bottom a:hover{color:var(--blue)}
.foot-brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:700;font-size:15px}
.brand-mark-sm{width:30px;height:39px;filter:drop-shadow(0 5px 10px rgba(37,99,235,.3))}
.brand-mark-sm .bm-float{animation-duration:6.4s}
.brand-mark-sm .bm-halo{animation-duration:4.4s}
.foot-beian{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:14px 30px;padding-top:20px;font-size:12.5px}
.foot-beian a{display:inline-flex;align-items:center;gap:7px;color:var(--muted-2);transition:color .2s}
.foot-beian a:hover{color:var(--blue)}
.police-shield{width:15px;height:15px;flex-shrink:0;filter:drop-shadow(0 1px 2px rgba(195,24,30,.25))}
@media(max-width:560px){
  .foot-beian{flex-direction:column;gap:11px}
}

/* ===== 返回顶部 ===== */
.back-top{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.82);backdrop-filter:blur(12px);box-shadow:0 14px 34px -10px rgba(30,64,175,.3);cursor:pointer;z-index:90;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(14px) scale(.85);pointer-events:none;transition:all .35s var(--ease-out)}
.back-top.show{opacity:1;transform:none;pointer-events:auto}
.back-top svg{width:19px;height:19px;stroke:var(--blue);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s}
.back-top:hover{box-shadow:0 18px 40px -10px rgba(37,99,235,.4)}
.back-top:hover svg{transform:translateY(-2px)}
.bt-drop{position:absolute;left:50%;bottom:7px;width:5px;height:6.5px;border-radius:50% 50% 50% 50%/62% 62% 38% 38%;background:linear-gradient(180deg,#C9EBFF,#4BA0F7 68%,#1D5BD8);transform:translateX(-50%);opacity:0}
.back-top:hover .bt-drop{animation:btDrop 1s ease-in-out infinite}
@keyframes btDrop{0%{transform:translate(-50%,-14px);opacity:0}30%{opacity:1}100%{transform:translate(-50%,2px);opacity:0}}

/* ===== Reveal ===== */
.reveal{
  opacity:0;transform:translateY(34px) scale(.985);
  transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);
  transition-delay:calc(var(--ri,0)*85ms);
}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.09s}
.reveal.d2{transition-delay:.18s}
.reveal.d3{transition-delay:.27s}

/* ===== 全局质感：选区 / 滚动条 ===== */
::selection{background:rgba(37,99,235,.2);color:var(--ink)}
html{scrollbar-width:thin;scrollbar-color:#93C5FD transparent}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#A9CCF8,#2563EB);border-radius:99px;border:2px solid #F3F7FE}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#7FB2F5,#1E40AF)}

/* ===== Tab 滑块指示器（active 背景平滑跟随） ===== */
.ld-tabs,.scene-tabs{position:relative}
.tab-ink{
  position:absolute;left:0;top:0;border-radius:999px;pointer-events:none;z-index:0;
  background:linear-gradient(135deg,#1E40AF,#2563EB 55%,#2F8CF5);
  box-shadow:0 10px 24px -6px rgba(37,99,235,.5);
  opacity:0;transform:translateX(var(--ink-x,0));
  transition:transform .45s var(--ease-out),width .45s var(--ease-out),height .45s var(--ease-out),opacity .3s;
}
.tab-ink.on{opacity:1}
.ld-tab,.scene-tab{position:relative;z-index:1}
.ld-tab.is-active{background:none;box-shadow:none;color:#fff}
.ld-tab.is-active small{color:rgba(255,255,255,.78)}
.scene-tab.is-active{background:none;border-color:transparent;color:#fff;box-shadow:none}

/* ===== 按钮点击波纹 ===== */
.ripple-host{position:relative;overflow:hidden}
.btn-ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.42);transform:scale(0);animation:btnRipple .65s var(--ease-out) forwards;pointer-events:none;z-index:3}
.btn-primary .btn-ripple,.nav-cta .btn-ripple{background:rgba(255,255,255,.4)}
.btn-light .btn-ripple,.web-open .btn-ripple{background:rgba(37,99,235,.22)}
@keyframes btnRipple{to{transform:scale(2.8);opacity:0}}

/* ===== 场景 mock：逐行编排进入 ===== */
.scene-panel.is-active .sm-row{animation:rowIn .5s var(--ease-out) both}
.scene-panel.is-active .sm-rows .sm-row:nth-child(1){animation-delay:.2s}
.scene-panel.is-active .sm-rows .sm-row:nth-child(2){animation-delay:.29s}
.scene-panel.is-active .sm-rows .sm-row:nth-child(3){animation-delay:.38s}
.scene-panel.is-active .sm-rows .sm-row:nth-child(4){animation-delay:.47s}
.scene-panel.is-active .sm-book{animation:rowIn .5s var(--ease-out) both}
.scene-panel.is-active .sm-book:nth-child(1){animation-delay:.2s}
.scene-panel.is-active .sm-book:nth-child(2){animation-delay:.3s}
.scene-panel.is-active .sm-book:nth-child(3){animation-delay:.4s}
@keyframes rowIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}

/* ===== 三层模型：焦点态轻微缩放，层次更明确 ===== */
.ld-row{transition:opacity .45s var(--ease-out),filter .45s,transform .45s var(--ease-out)}
.ld-stage[data-focus="project"] .ld-row-task{transform:scale(.985);transform-origin:top center}
.ld-stage[data-focus="project"] .ld-row-habit{transform:scale(.98);transform-origin:top center}
.ld-stage[data-focus="task"] .ld-row-project,.ld-stage[data-focus="habit"] .ld-row-project{transform:scale(.985);transform-origin:center}

/* ===== 热力图 hover：动画结束后改用光影反馈（避开 animation 对 transform 的占用） ===== */
.heatmap-lg i{transition:box-shadow .25s,filter .25s}
.heatmap-lg i:hover{box-shadow:0 0 0 2px rgba(37,99,235,.4);filter:brightness(1.12)}

/* ===== 时间线节点：hover 水滴弹跳 ===== */
.tl-item:hover .tl-node{animation:tlBounce .55s var(--ease-out)}
@keyframes tlBounce{
  0%{transform:scale(1.12) translateY(-2px)}
  45%{transform:scale(1.22) translateY(-9px)}
  100%{transform:scale(1.12) translateY(-2px)}
}

/* ===== 图片 blur-up：加载完成后淡入 ===== */
.interlude-art img,.cta-art img{opacity:0;transition:opacity .8s var(--ease-out),transform .9s var(--ease-out),filter .6s}
.interlude-art img.loaded,.cta-art img.loaded{opacity:1}

/* ============================================================
   Hero 舞台精修层
   ============================================================ */
/* 水晶词微光流动 */
.hero h1 .crystal{background-size:220% 100%;animation:gradShift 5.5s ease-in-out infinite alternate}

/* 源头水滴：斜向高光扫过 */
.drop-hero{position:relative}
.drop-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;mix-blend-mode:screen;
  border-radius:50% 50% 50% 50%/62% 62% 38% 38%;
  background:linear-gradient(115deg,transparent 42%,rgba(255,255,255,.5) 50%,transparent 58%);
  background-size:280% 100%;background-position:150% 0;
  animation:dropSheen 5.8s ease-in-out 1.6s infinite;
}
@keyframes dropSheen{0%,60%{background-position:150% 0}100%{background-position:-80% 0}}

/* PC 看板 KPI 交错入场 */
.pc-kpis .pk{animation:kpiIn .6s var(--ease-out) both}
.pc-kpis .pk:nth-child(1){animation-delay:.78s}
.pc-kpis .pk:nth-child(2){animation-delay:.88s}
.pc-kpis .pk:nth-child(3){animation-delay:.98s}
@keyframes kpiIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 手机进度环：描边绘制 */
.pht-fg{stroke-dasharray:97.4;stroke-dashoffset:97.4;animation:ringDraw 1.5s var(--ease-out) 1.15s both}
@keyframes ringDraw{to{stroke-dashoffset:80.8}}

/* 浮动气泡：错落入场后接续悬浮 */
.float-chip{opacity:0}
.fc1{animation:chipPop .7s var(--ease-out) 1.05s both,chipFloat 5.2s ease-in-out 0s infinite}
.fc2{animation:chipPop .7s var(--ease-out) 1.22s both,chipFloat 6.2s ease-in-out -2.2s infinite}
.fc3{animation:chipPop .7s var(--ease-out) 1.38s both,chipFloat 5.8s ease-in-out -1s infinite}
@keyframes chipPop{from{opacity:0;transform:translateY(16px) scale(.9)}to{opacity:1;transform:none}}

/* 三层模型：习惯环数字弹入 */
.layer-demo.in .ldh-ring em{animation:popIn .5s var(--ease-out) both}
.layer-demo.in .ld-habit-card:nth-child(1) em{animation-delay:.85s}
.layer-demo.in .ld-habit-card:nth-child(2) em{animation-delay:.95s}
.layer-demo.in .ld-habit-card:nth-child(3) em{animation-delay:1.05s}
.layer-demo.in .ld-habit-card:nth-child(4) em{animation-delay:1.15s}
@keyframes popIn{from{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}

/* CTA 箭头微位移 */
.btn-primary svg,.web-open svg{transition:transform .3s var(--ease-out)}
.btn-primary:hover svg,.web-open:hover svg{transform:translateX(4px)}

/* 向下探索提示：滚动后淡出 */
.scroll-hint.fade{opacity:0;pointer-events:none}
.scroll-hint{transition:color .25s,opacity .45s}

/* ============================================================
   区块微交互补强
   ============================================================ */
/* 页脚链接：渐变下划线 */
.foot-links a::after,.foot-beian a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;border-radius:2px;background:linear-gradient(90deg,#2563EB,#38BDF8);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease-out)}
.foot-links a:hover::after,.foot-beian a:hover::after{transform:scaleX(1)}

/* 商店徽章 */
.store-badge{transition:transform .25s var(--ease-out),box-shadow .25s}
.store-badge:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(10,20,40,.45)}

/* 同步链步骤 */
.chain-step{transition:transform .25s var(--ease-out),border-color .25s,color .25s}
.chain-step:hover{transform:translateY(-2px);border-color:rgba(37,99,235,.42);color:var(--blue-deep)}
.chain-chip{transition:transform .25s var(--ease-out),border-color .25s}
.chain-chip:hover{transform:translateY(-2px);border-color:rgba(37,99,235,.45)}

/* 对比表行高亮 */
.cmp-row{transition:background .25s}
.cmp-row:not(.cmp-head):hover{background:#F8FBFF}

/* 能力 mock 行高亮 */
.mw-row{transition:background .25s}
.mw-row:hover{background:#F8FBFF}

/* 场景 mock 行高亮 */
.sm-row{transition:background .25s}
.sm-row:hover{background:#F8FBFF}

/* 章节标题编排：tag → 标题 → 副文 依次浮入 */
.reveal.sec-head{opacity:1;transform:none;transition:none}
.reveal.sec-head>*{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.reveal.sec-head.in>*{opacity:1;transform:none}
.reveal.sec-head.in .sec-tag{transition-delay:.04s}
.reveal.sec-head.in h2{transition-delay:.12s}
.reveal.sec-head.in p{transition-delay:.22s}

/* 卡片指针光泽（data-tilt 通用层，interlude-art 自带渐变除外） */
[data-tilt]:not(.interlude-art){position:relative}
[data-tilt]:not(.interlude-art)::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;
  background:radial-gradient(420px circle at var(--gx,50%) var(--gy,50%),rgba(255,255,255,.26),transparent 55%);
  opacity:0;transition:opacity .35s;
}
[data-tilt]:not(.interlude-art):hover::after{opacity:1}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .reveal.sec-head>*{opacity:1!important;transform:none!important}
  .src-drop,.pc-wrap,.ph-wrap,.sync-link{opacity:1!important;transform:none!important}
  .scroll-hint{display:none}
  .heatmap-lg i{opacity:1!important;transform:none!important}
  .sm-progress i{width:var(--w,46%)!important}
  .fit-line{stroke-dashoffset:0!important}
  .fit-area,.fit-dot{opacity:1!important}
  .tl-progress{width:100%!important}
  .interlude-art img,.cta-art img{opacity:1!important}
  .tab-ink{display:none!important}
  .ld-stage[data-focus] .ld-row{transform:none!important}
  .float-chip{opacity:1!important}
  .drop-hero::after{display:none!important}
  .pht-fg{stroke-dashoffset:80.8!important}
  .scroll-hint{opacity:1!important}
}

/* ============================================================
   设计增强层 · 水晶微光（Accent Layer）
   ============================================================ */
/* ---- Hero 分级入场 ---- */
@keyframes heroIn{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}
.hero-inner .eyebrow{animation:heroIn .7s cubic-bezier(.16,1,.3,1) both;animation-delay:.05s}
.hero-inner h1{animation:heroIn .9s cubic-bezier(.16,1,.3,1) both;animation-delay:.16s}
.hero-inner .hero-sub{animation:heroIn .8s cubic-bezier(.16,1,.3,1) both;animation-delay:.32s}
.hero-inner .hero-actions{animation:heroIn .8s cubic-bezier(.16,1,.3,1) both;animation-delay:.44s}
.hero-inner .platform-pills{animation:heroIn .8s cubic-bezier(.16,1,.3,1) both;animation-delay:.56s}
.hero-inner .hero-stats{animation:heroIn .9s cubic-bezier(.16,1,.3,1) both;animation-delay:.68s}

/* ---- 卡片入场：轻微缩放（stagger 由 --ri 统一驱动） ---- */
.reveal{transform:translateY(34px) scale(.985)}

/* ---- 痛点：序号 + 图标微动 ---- */
.pcard .pnum{position:absolute;top:19px;right:22px;font-size:13px;font-weight:800;color:#C3D3F0;font-variant-numeric:tabular-nums;letter-spacing:.06em}
.pcard .ic{transition:transform .35s cubic-bezier(.16,1,.3,1),box-shadow .35s}
.pcard:hover .ic{transform:translateY(-4px) rotate(-6deg) scale(1.06);box-shadow:0 10px 24px rgba(37,99,235,.22)}
.pcard h3{transition:color .25s}
.pcard:hover h3{color:var(--blue-deep)}
.pcard .pcard-visual{transition:transform .4s var(--ease-out)}
.pcard:hover .pcard-visual{transform:scale(1.02)}

/* ---- 核心能力：窗口地址栏 + 对勾依次进入 + 媒体光泽 ---- */
.feat.in .flist li{animation:checkIn .55s cubic-bezier(.16,1,.3,1) both}
.feat.in .flist li:nth-child(1){animation-delay:.12s}
.feat.in .flist li:nth-child(2){animation-delay:.22s}
.feat.in .flist li:nth-child(3){animation-delay:.32s}
@keyframes checkIn{from{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:none}}
.feat-media{position:relative;overflow:hidden}
.feat-media::after{content:"";position:absolute;top:-40%;left:-62%;width:50%;height:180%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-18deg);transition:left .75s ease;pointer-events:none}
.feat-media:hover::after{left:132%}

/* ---- 三端同步：设备框脉冲 ---- */
.dev .frame::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 2px var(--blue);opacity:0}
.dev:hover .frame::after{animation:framePing 1.1s ease-out}
@keyframes framePing{0%{opacity:.7;transform:scale(.97)}100%{opacity:0;transform:scale(1.07)}}
.dev .frame img{transition:transform .35s cubic-bezier(.16,1,.3,1)}
.dev:hover .frame img{transform:translateY(-4px) scale(1.1)}

/* ---- 深色坚持：星点 ---- */
.jewel::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(125,211,252,.16) 1px,transparent 0);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 75% 75% at 50% 28%,#000,transparent 78%);mask-image:radial-gradient(ellipse 75% 75% at 50% 28%,#000,transparent 78%);pointer-events:none}
@keyframes gradShift{from{background-position:0% 0}to{background-position:100% 0}}

/* ============================================================
   深色区 · 滴水入渊 动效层
   ============================================================ */
.jewel .container{position:relative;z-index:2}
.jewel-fx{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}

/* 落点 */
.dropzone{position:absolute;width:0;height:0}
.dz-drop{
  position:absolute;left:0;top:0;width:7px;height:9px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#EAF9FF,#7DD3FC 58%,#38BDF8);
  box-shadow:0 0 10px 1px rgba(125,211,252,.75);
  opacity:0;animation:dzFall var(--period) cubic-bezier(.6,0,.95,.35) infinite;animation-delay:var(--delay)
}
@keyframes dzFall{
  0%{transform:translateY(-84px) scaleY(1.6);opacity:0}
  7%{opacity:1}
  15%{transform:translateY(-2px) scaleY(1.3);opacity:1}
  18%{transform:translateY(0) scaleY(.45);opacity:0}
  100%{transform:translateY(0);opacity:0}
}

/* 撞击中心闪光 */
.dz-flash{
  position:absolute;left:0;top:0;width:16px;height:16px;border-radius:50%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(226,248,255,.95) 0%,rgba(125,211,252,.5) 42%,transparent 72%);
  opacity:0;animation:dzFlash var(--period) ease-out infinite;animation-delay:var(--delay)
}
@keyframes dzFlash{
  0%,14%{opacity:0;transform:translate(-50%,-50%) scale(.3)}
  17%{opacity:.95;transform:translate(-50%,-50%) scale(1)}
  32%{opacity:0;transform:translate(-50%,-50%) scale(2.4)}
  100%{opacity:0;transform:translate(-50%,-50%) scale(2.4)}
}

/* 波前 */
.dz-wave{
  position:absolute;left:0;top:0;width:6px;height:6px;border-radius:50%;transform:translate(-50%,-50%);
  border:2px solid rgba(140,214,252,.9);box-shadow:0 0 8px rgba(125,211,252,.45),inset 0 0 4px rgba(160,225,255,.3);
  opacity:0;animation:wave1 var(--period) cubic-bezier(.16,.68,.26,1) infinite;animation-delay:var(--delay)
}
.dz-wave.w2{border-color:rgba(125,211,252,.55);border-width:1.5px;box-shadow:0 0 6px rgba(125,211,252,.28);animation-name:wave2;animation-delay:calc(var(--delay) + .42s)}
@keyframes wave1{
  0%{width:6px;height:6px;opacity:0;border-width:2px;filter:blur(0)}
  16%{width:9px;height:9px;opacity:0;animation-timing-function:cubic-bezier(.16,.68,.26,1)}
  20%{opacity:.85;filter:blur(0)}
  38%{opacity:.42;filter:blur(.4px)}
  62%{opacity:.17;border-width:1.5px;filter:blur(1.1px)}
  86%,100%{width:var(--d1);height:var(--d1);opacity:0;border-width:1px;filter:blur(2.4px)}
}
@keyframes wave2{
  0%{width:6px;height:6px;opacity:0;border-width:1.5px;filter:blur(0)}
  16%{width:9px;height:9px;opacity:0;animation-timing-function:cubic-bezier(.2,.62,.3,1)}
  21%{opacity:.6;filter:blur(.2px)}
  42%{opacity:.3;filter:blur(.6px)}
  68%{opacity:.11;border-width:1px;filter:blur(1.4px)}
  88%,100%{width:var(--d2);height:var(--d2);opacity:0;border-width:.8px;filter:blur(2.2px)}
}

/* 上浮微光气泡 */
.bubble{
  position:absolute;bottom:-14px;width:var(--s);height:var(--s);border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#ECFBFF,#7DD3FC 60%,#38BDF8);
  box-shadow:0 0 8px rgba(125,211,252,.6);opacity:0;
  animation:bubbleUp var(--bdur) linear infinite;animation-delay:var(--bd)
}
@keyframes bubbleUp{
  0%{bottom:-14px;opacity:0;transform:translateX(0) scale(1)}
  12%{opacity:.55}
  50%{transform:translateX(9px) scale(1.06)}
  85%{opacity:.26}
  100%{bottom:106%;opacity:0;transform:translateX(-7px) scale(.9)}
}

/* ============================================================
   动态水晶水滴（Living Crystal Drop）
   ============================================================ */
.drop{display:inline-block;position:relative}
.drop-svg{display:block;width:100%;height:100%;overflow:visible}
.drop-md{width:120px;height:152px;margin:0 auto 26px}
.drop-sm{width:66px;height:84px}
.drop-md .drop-svg,.drop-sm .drop-svg{transform-box:view-box;transform-origin:50% 82%}
.drop-md .drop-svg{animation:dropFloat 5.4s ease-in-out infinite}
.drop-sm .drop-svg{animation:dropFloatSm 4.6s ease-in-out infinite}
@keyframes dropFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes dropFloatSm{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* 外发光呼吸 */
.drop-halo{transform-box:view-box;transform-origin:100px 214px;animation:haloPulse 3.8s ease-in-out infinite}

/* 高光呼吸（交错） */
.drop-shine1{animation:shineBreathe 4.2s ease-in-out infinite}
.drop-shine2{animation:shineBreathe 4.2s ease-in-out infinite .7s}
.drop-shine3{animation:shineBreathe 4.2s ease-in-out infinite 1.3s}
@keyframes shineBreathe{0%,100%{opacity:.5}50%{opacity:.95}}

/* 内部流动光带 */
.drop-flow{opacity:0;transform-box:view-box;animation:dropFlow 4.6s cubic-bezier(.45,0,.2,1) infinite}
@keyframes dropFlow{
  0%{opacity:0;transform:translateX(-30px) rotate(12deg)}
  18%{opacity:.55}
  60%{opacity:.35}
  100%{opacity:0;transform:translateX(150px) rotate(12deg)}
}

/* 涟漪 */
.ripple{opacity:0;transform-box:view-box;transform-origin:100px 216px;animation:rippleOut 3.4s ease-out infinite}
.r2{animation-delay:1.7s}
@keyframes rippleOut{
  0%{opacity:0;transform:scale(.35)}
  18%{opacity:.7}
  100%{opacity:0;transform:scale(2)}
}
.drop-sm .ripple{display:none}

/* ============================================================
   移动端节奏优化
   ============================================================ */
@media(max-width:560px){
  section{padding:76px 0}
  .interlude{padding:80px 0}
  .sec-head{margin-bottom:40px}
  .sec-head p{font-size:15.5px}
  .hero{padding:118px 0 64px}
  .jewel{border-radius:0}
  .interlude-art{width:220px;height:220px;border-radius:30px}
  .ld-tabs{gap:4px}
  .ld-tab{padding:10px 14px;font-size:14px}
  .ld-tab small{display:none}
}