/* ============================================================
   小苹果云 · 为未来做好准备 — 共享样式 v4
   浅色主题 · 白多蓝少 · 毛玻璃 · 胶囊按钮 · 圆角卡片 · 多端自适应
   v3：更好看的字体（Orbitron + 站酷庆科黄油体 + Noto Sans SC）、站内搜索
   v4：白底浅色 + 蓝色点缀 + 毛玻璃轻量主题（保留科技字体与 logo）
   ============================================================ */

:root{
  --bg0:#f4f7fc;
  --bg1:#ffffff;
  --bg2:#eef3fa;
  --ink:#0e1a30;
  --ink-soft:#3c4b6a;
  --muted:#5b6b8e;
  --faint:#8495b8;
  --line:rgba(79,141,255,.14);
  --line-strong:rgba(79,141,255,.26);
  --glass:rgba(255,255,255,.68);
  --glass-2:rgba(255,255,255,.92);
  --glass-line:rgba(255,255,255,.9);
  --cyan:#0fa8d8;
  --cyan-soft:#37e0ff;
  --blue:#2f6bff;
  --violet:#7c4dff;
  --pink:#ff6ad5;
  --grad:linear-gradient(100deg,#19b6ea 0%,#2f6bff 50%,#7c4dff 100%);
  --grad-soft:linear-gradient(100deg,rgba(55,224,255,.18),rgba(47,107,255,.14),rgba(124,77,255,.18));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --radius-pill:100px;
  --font-display:"Rajdhani","Chakra Petch","Orbitron","ZCOOL QingKe HuangYou","Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-display-cn:"ZCOOL QingKe HuangYou","Rajdhani","Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --shadow-glow:0 18px 60px -18px rgba(47,107,255,.35);
  --shadow-card:0 20px 50px -28px rgba(23,43,99,.22);
  --ease:cubic-bezier(.22,.8,.3,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  background:var(--bg0);
  color:var(--ink);
  line-height:1.75;
  letter-spacing:.01em;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:-3;
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(47,107,255,.07),transparent 62%),
    radial-gradient(820px 560px at 96% 8%,rgba(124,77,255,.05),transparent 60%),
    radial-gradient(760px 640px at 50% 118%,rgba(55,224,255,.05),transparent 62%),
    linear-gradient(180deg,var(--bg1),var(--bg0) 42%,#f0f4fb 100%);
}
::selection{background:rgba(47,107,255,.22);color:#0e1a30}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#e9eef7}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#a9c4f2,#7ea4ec);border-radius:20px;border:2px solid #e9eef7}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#7ea4ec,#5b8ae6)}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}

.container{width:min(1180px,92%);margin-inline:auto}
.section{padding:clamp(64px,9vw,110px) 0;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);
  font-size:12px;letter-spacing:.28em;text-transform:uppercase;
  color:#0aa5c9;background:rgba(55,224,255,.12);
  border:1px solid rgba(55,224,255,.35);
  padding:8px 18px;border-radius:var(--radius-pill);
  margin-bottom:22px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(15,168,216,.55);animation:pulseDot 2.4s var(--ease) infinite}
.section-head{max-width:760px;margin-bottom:clamp(38px,5vw,58px)}
.section-head.center{margin-inline:auto;text-align:center}
h1,h2,h3{font-family:var(--font-display-cn);font-weight:700;line-height:1.22;letter-spacing:.02em}
.section-title{font-size:clamp(26px,3.6vw,40px);background:linear-gradient(100deg,#0e1a30 18%,#2f6bff 62%,#7c4dff 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.section-sub{color:var(--muted);margin-top:14px;font-size:clamp(14px,1.6vw,16px)}
.section-sub strong{color:var(--ink);font-weight:600}

.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}

/* ---------- 液态玻璃卡片 ---------- */
.glass{
  position:relative;
  background:linear-gradient(145deg,rgba(255,255,255,.80),rgba(255,255,255,.40));
  border:1px solid var(--glass-line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(22px) saturate(180%);
  -webkit-backdrop-filter:blur(22px) saturate(180%);
  box-shadow:0 20px 50px -28px rgba(23,43,99,.20), inset 0 1px 0 rgba(255,255,255,.95), inset 1px 0 0 rgba(255,255,255,.55), inset -1px -1px 0 rgba(255,255,255,.35), inset 0 -10px 24px rgba(122,165,255,.09);
  transition:transform .5s var(--ease),border-color .5s var(--ease),box-shadow .5s var(--ease),background .5s var(--ease);
}
.glass:hover{
  border-color:rgba(255,255,255,1);
  background:linear-gradient(145deg,rgba(255,255,255,.94),rgba(255,255,255,.58));
  box-shadow:0 24px 60px -26px rgba(47,107,255,.26), inset 0 1px 0 #fff, inset 1px 0 0 rgba(255,255,255,.72), inset 0 -10px 26px rgba(122,165,255,.14);
}
.glass.hover-lift:hover{transform:translateY(-8px)}

/* ---------- 胶囊按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-display);font-size:14px;font-weight:600;letter-spacing:.06em;
  padding:15px 34px;border-radius:var(--radius-pill);
  border:1px solid transparent;cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);
  position:relative;overflow:hidden;white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 12px 34px -12px rgba(47,107,255,.55),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);
  transform:skewX(-20deg);transition:left .7s var(--ease);
}
.btn-primary:hover::after{left:130%}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 46px -14px rgba(47,107,255,.7),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-ghost{
  background:rgba(255,255,255,.8);color:var(--ink);
  border-color:var(--line-strong);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--cyan);color:var(--cyan);box-shadow:0 14px 36px -16px rgba(15,168,216,.35)}
.btn-sm{padding:10px 22px;font-size:12.5px}
.btn-block{width:100%}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .45s var(--ease),border-color .45s var(--ease),box-shadow .45s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(255,255,255,.82);
  border-bottom-color:var(--line);
  backdrop-filter:blur(24px) saturate(180%);
  -webkit-backdrop-filter:blur(24px) saturate(180%);
  box-shadow:0 12px 40px -22px rgba(23,43,99,.22);
}
.nav-inner{width:min(1180px,94%);margin-inline:auto;display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:inline-flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:.04em;color:var(--ink)}
.logo-mark{width:40px;height:40px;flex:none;position:relative;border-radius:12px;background:linear-gradient(145deg,rgba(255,255,255,.96),rgba(255,255,255,.55));display:grid;place-items:center;border:1px solid rgba(255,255,255,.95);box-shadow:0 10px 26px -10px rgba(47,107,255,.34), inset 0 1px 0 #fff, inset 0 -6px 14px rgba(122,165,255,.16);transition:transform .5s var(--ease), box-shadow .5s var(--ease)}
.logo-mark::after{content:"";position:absolute;inset:0;border-radius:12px;background:linear-gradient(120deg,rgba(255,255,255,.9),transparent 42%,rgba(122,165,255,.16));pointer-events:none}
.logo:hover .logo-mark{box-shadow:0 12px 30px -8px rgba(47,107,255,.45), inset 0 1px 0 #fff, inset 0 -6px 16px rgba(122,165,255,.24)}
.logo:hover .logo-mark{transform:rotate(-6deg) scale(1.06)}
.logo-mark svg{width:24px;height:24px;display:block}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:9px 16px;border-radius:var(--radius-pill);
  color:var(--ink-soft);font-size:14px;letter-spacing:.05em;
  transition:color .3s,background .3s;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--grad);transform:translateX(-50%);transition:width .4s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(47,107,255,.08)}
.nav-links a:hover::after,.nav-links a.active::after{width:calc(100% - 32px)}
.nav-cta{display:flex;align-items:center;gap:12px}
.search-trigger{
  width:42px;height:42px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line-strong);color:var(--ink-soft);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:color .3s,border-color .3s,transform .3s var(--ease),box-shadow .3s;
}
.search-trigger svg{width:18px;height:18px}
.search-trigger:hover{color:var(--cyan);border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 10px 26px -12px rgba(15,168,216,.4)}
.burger{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .35s var(--ease),opacity .3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  position:fixed;top:74px;left:0;right:0;z-index:99;
  background:rgba(255,255,255,.94);backdrop-filter:blur(26px) saturate(180%);-webkit-backdrop-filter:blur(26px) saturate(180%);
  border-bottom:1px solid var(--line);
  padding:18px 6% 26px;display:none;
  transform:translateY(-16px);opacity:0;transition:transform .4s var(--ease),opacity .4s var(--ease);
}
.mobile-menu.open{transform:translateY(0);opacity:1}
.mobile-search{
  display:flex;align-items:center;gap:12px;margin-bottom:14px;
  padding:13px 18px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.66);border:1px solid var(--line-strong);color:var(--faint);
}
.mobile-search svg{width:17px;height:17px;flex:none;color:var(--cyan)}
.mobile-search span{font-size:13.5px;letter-spacing:.06em}
.mobile-menu a{display:block;padding:15px 14px;border-radius:14px;color:var(--ink-soft);font-size:15px;letter-spacing:.05em;border-bottom:1px solid rgba(79,141,255,.10)}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a:hover,.mobile-menu a.active{background:rgba(47,107,255,.08);color:var(--ink)}

/* ---------- 站内搜索 ---------- */
.search-overlay{
  position:fixed;inset:0;z-index:300;display:flex;align-items:flex-start;justify-content:center;
  padding:13vh 4% 4%;background:rgba(244,248,255,.5);
  backdrop-filter:blur(24px) saturate(170%);-webkit-backdrop-filter:blur(24px) saturate(170%);
  opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility .4s;
}
.search-overlay.open{opacity:1;visibility:visible}
.search-panel{width:min(720px,100%);max-height:78vh;display:flex;flex-direction:column;transform:translateY(-22px) scale(.985);transition:transform .45s var(--ease)}
.search-overlay.open .search-panel{transform:none}
.search-box{
  display:flex;align-items:center;gap:14px;padding:6px 8px 6px 22px;
  border-radius:var(--radius-pill);background:rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.95);box-shadow:0 24px 70px -26px rgba(23,43,99,.26), inset 0 1px 0 #fff, inset 0 -8px 22px rgba(122,165,255,.1);
}
.search-box > svg{width:20px;height:20px;flex:none;color:var(--cyan)}
.search-box input{
  flex:1;min-width:0;background:none;border:none;outline:none;color:var(--ink);
  font-size:16px;padding:13px 0;letter-spacing:.03em;
}
.search-box input::placeholder{color:var(--faint)}
.search-close{
  width:40px;height:40px;flex:none;border-radius:50%;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line-strong);color:var(--muted);
  transition:color .3s,border-color .3s,transform .3s;
}
.search-close:hover{color:var(--cyan);border-color:var(--cyan);transform:rotate(90deg)}
.search-close svg{width:17px;height:17px}
.search-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:14px 6px 10px;color:var(--faint);font-size:12px;letter-spacing:.08em}
.search-meta b{color:var(--cyan);font-weight:600}
.search-results{overflow-y:auto;display:grid;gap:10px;padding:2px 2px 6px}
.search-results::-webkit-scrollbar{width:6px}
.search-results::-webkit-scrollbar-thumb{background:#a9c4f2;border-radius:8px}
.sr-item{
  display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:16px;cursor:pointer;
  background:var(--glass);border:1px solid var(--line);color:var(--ink);
  transition:border-color .3s,background .3s,transform .3s var(--ease);
}
.sr-item:hover,.sr-item.active{background:var(--glass-2);border-color:rgba(55,224,255,.55);transform:translateX(4px)}
.sr-ic{width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;background:var(--grad-soft);border:1px solid var(--line-strong);color:var(--cyan)}
.sr-ic svg{width:18px;height:18px}
.sr-body{flex:1;min-width:0}
.sr-body b{display:block;font-size:14.5px;font-weight:600;color:var(--ink);margin-bottom:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sr-body b em{font-style:normal;color:var(--cyan);background:rgba(55,224,255,.16);border-radius:4px;padding:0 3px}
.sr-body span{display:block;font-size:12.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sr-page{flex:none;font-family:var(--font-display);font-size:10.5px;letter-spacing:.14em;color:var(--faint);border:1px solid var(--line);border-radius:var(--radius-pill);padding:5px 12px;white-space:nowrap}
.search-empty{text-align:center;padding:44px 20px;color:var(--faint);font-size:14px;letter-spacing:.05em}
.search-empty b{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--ink-soft);font-weight:600}
.search-empty b svg{width:18px;height:18px;color:var(--cyan)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:140px 0 80px;overflow:hidden}
.hero-canvas{position:absolute;inset:0;z-index:0}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.32;z-index:0;pointer-events:none;will-change:transform}
.orb-1{width:460px;height:460px;background:radial-gradient(circle at 30% 30%,rgba(55,224,255,.5),transparent 66%);top:-120px;left:-80px;animation:floatA 16s ease-in-out infinite}
.orb-2{width:520px;height:520px;background:radial-gradient(circle at 60% 40%,rgba(124,77,255,.42),transparent 66%);top:6%;right:-140px;animation:floatB 19s ease-in-out infinite}
.orb-3{width:380px;height:380px;background:radial-gradient(circle at 50% 50%,rgba(47,107,255,.4),transparent 66%);bottom:-120px;left:34%;animation:floatA 22s ease-in-out infinite reverse}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:9px 20px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line-strong);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  font-size:13px;color:var(--ink-soft);margin-bottom:26px;animation:badgeIn 1s var(--ease) both;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#0fb57f;box-shadow:0 0 12px rgba(15,181,127,.6);animation:pulseDot 2s infinite}
.hero h1{font-size:clamp(34px,5.2vw,60px);line-height:1.16;margin-bottom:18px;animation:riseIn .9s .12s var(--ease) both}
.hero h1 .gradient-text{display:inline-block}
.typing-wrap{display:inline-flex;align-items:baseline;gap:2px}
.typing-caret{display:inline-block;width:3px;height:.9em;background:var(--cyan);border-radius:2px;margin-left:4px;animation:blink 1s steps(2) infinite;box-shadow:0 0 12px rgba(15,168,216,.5)}
.hero p.lead{color:var(--muted);font-size:clamp(15px,1.9vw,18px);max-width:560px;margin-bottom:34px;animation:riseIn 1s .26s var(--ease) both}
.hero p.lead strong{color:var(--ink);font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;animation:riseIn 1s .4s var(--ease) both}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;animation:riseIn 1s .52s var(--ease) both}
.hero-tags span{
  font-size:12.5px;color:var(--ink-soft);padding:7px 16px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:border-color .3s,color .3s,transform .3s;
}
.hero-tags span:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}

.hero-visual{position:relative;z-index:2;animation:riseIn 1s .3s var(--ease) both}
.dash-card{padding:30px 28px;border-radius:26px;position:relative;overflow:hidden}
.dash-card::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:linear-gradient(140deg,rgba(55,224,255,.6),rgba(47,107,255,.2) 40%,rgba(124,77,255,.55));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.dash-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.dash-top .t{font-family:var(--font-display);font-size:13px;letter-spacing:.14em;color:var(--ink-soft)}
.dash-top .live{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#0fb57f}
.dash-top .live i{width:7px;height:7px;border-radius:50%;background:#0fb57f;box-shadow:0 0 10px rgba(15,181,127,.55);animation:pulseDot 1.8s infinite}
.dash-bars{display:flex;align-items:flex-end;gap:10px;height:150px;margin-bottom:20px}
.dash-bars .bar{
  flex:1;border-radius:8px 8px 4px 4px;position:relative;
  background:linear-gradient(180deg,rgba(55,224,255,.9),rgba(47,107,255,.45));
  transform-origin:bottom;animation:barGrow 1.4s var(--ease) both;
  box-shadow:0 0 18px -4px rgba(47,107,255,.45);
}
.dash-bars .bar::after{content:attr(data-v);position:absolute;top:-22px;left:50%;transform:translateX(-50%);font-family:var(--font-display);font-size:10.5px;color:var(--cyan)}
.dash-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.dash-stat{padding:13px 8px;text-align:center;border-radius:14px;background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.85)}
.dash-stat b{display:block;font-family:var(--font-display);font-size:19px;color:var(--ink)}
.dash-stat b em{font-style:normal;color:var(--cyan);font-size:12px}
.dash-stat span{font-size:11px;color:var(--muted);letter-spacing:.06em}
.float-chip{
  position:absolute;z-index:3;display:inline-flex;align-items:center;gap:9px;
  padding:12px 18px;border-radius:var(--radius-pill);background:rgba(255,255,255,.9);
  border:1px solid var(--line-strong);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  font-size:12.5px;color:var(--ink);box-shadow:0 16px 40px -18px rgba(23,43,99,.3);animation:chipFloat 5.5s ease-in-out infinite;
}
.float-chip svg{width:16px;height:16px;color:var(--cyan)}
.float-chip.c1{top:-18px;right:6%}
.float-chip.c2{bottom:6%;left:-34px;animation-delay:1.6s}
.float-chip.c3{top:38%;right:-24px;animation-delay:3s}

/* ---------- 滚动字幕 ---------- */
.marquee{position:relative;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;background:rgba(255,255,255,.55)}
.marquee-track{display:flex;gap:0;width:max-content;animation:marquee 30s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-item{display:inline-flex;align-items:center;gap:26px;padding:0 26px;font-family:var(--font-display);font-size:13px;letter-spacing:.22em;color:var(--faint);white-space:nowrap}
.marquee-item::after{content:"✦";color:var(--blue);font-size:10px}

/* ---------- 网格与卡片 ---------- */
.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{padding:30px 26px}
.card-icon{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--grad-soft);border:1px solid var(--line-strong);color:var(--cyan);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
}
.card-icon svg{width:26px;height:26px}
.card h3{font-size:18px;margin-bottom:10px;color:var(--ink)}
.card p{color:var(--muted);font-size:14px}
.card .more{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:13.5px;color:var(--cyan);font-weight:600}
.card .more svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.card:hover .more svg{transform:translateX(5px)}

/* ---------- 产品卡 ---------- */
.product-card{position:relative;padding:34px 28px;overflow:hidden;display:flex;flex-direction:column}
.product-card::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .5s;
  background:
    radial-gradient(320px 200px at 85% 0%,rgba(55,224,255,.16),transparent 60%),
    radial-gradient(300px 220px at 10% 100%,rgba(124,77,255,.12),transparent 60%);
}
.product-card:hover::before{opacity:1}
.product-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.product-emoji{font-size:34px;line-height:1;filter:drop-shadow(0 8px 18px rgba(47,107,255,.25));transition:transform .5s var(--ease)}
.product-card:hover .product-emoji{transform:scale(1.15) rotate(-6deg)}
.product-tag{
  font-size:11.5px;padding:6px 14px;border-radius:var(--radius-pill);letter-spacing:.08em;
  font-family:var(--font-display);
}
.tag-free{color:#0b9a70;background:rgba(11,154,112,.1);border:1px solid rgba(11,154,112,.32);box-shadow:0 0 16px -6px rgba(11,154,112,.5)}
.tag-hot{color:#c98a12;background:rgba(201,138,18,.1);border:1px solid rgba(201,138,18,.32)}
.tag-vip{color:#6b3fe0;background:rgba(124,77,255,.1);border:1px solid rgba(124,77,255,.35)}
.product-card h3{font-size:21px;margin-bottom:8px}
.product-card .desc{color:var(--muted);font-size:14px;min-height:44px}
.price-box{margin:20px 0 4px;padding:18px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}
.price-box .first{font-size:13px;color:var(--ink-soft)}
.price-box .first b{font-size:26px;font-family:var(--font-display);color:#0b9a70;margin-right:4px}
.price-box .then{font-size:13px;color:var(--muted);margin-top:4px}
.price-box .then b{font-family:var(--font-display);font-size:22px;color:var(--ink)}
.price-box small{color:var(--faint);font-size:12px}
.feature-list{margin:18px 0 24px;display:grid;gap:10px}
.feature-list li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-soft)}
.feature-list svg{width:16px;height:16px;flex:none;margin-top:3px;color:var(--cyan)}
.product-card .btn{margin-top:auto}

/* ---------- 统计 ---------- */
.stats-band{margin-top:10px}
.stat{text-align:center;padding:34px 16px}
.stat b{font-family:var(--font-display);font-size:clamp(30px,3.6vw,46px);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{display:block;margin-top:8px;color:var(--muted);font-size:13.5px;letter-spacing:.08em}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;gap:0;margin-top:8px}
.tl-row{display:grid;grid-template-columns:110px 34px 1fr;gap:0;align-items:center;position:relative}
.tl-time{font-family:var(--font-display);font-size:13.5px;color:var(--cyan);text-align:right;padding:26px 18px 26px 0;letter-spacing:.08em}
.tl-axis{position:relative;height:100%;display:flex;justify-content:center;align-self:stretch}
.tl-axis::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;background:linear-gradient(180deg,transparent,rgba(47,107,255,.4) 12%,rgba(124,77,255,.4) 88%,transparent);transform:translateX(-50%)}
.tl-row:first-child .tl-axis::before{top:50%}
.tl-row:last-child .tl-axis::before{bottom:50%}
.tl-dot{
  width:16px;height:16px;border-radius:50%;align-self:center;justify-self:center;position:relative;z-index:1;
  background:#fff;border:3px solid var(--cyan);box-shadow:0 0 0 5px rgba(55,224,255,.18),0 0 18px rgba(15,168,216,.4);
  animation:pulseDot 2.6s infinite;
}
.tl-card{margin:18px 0;padding:24px 26px;text-align:left}
.tl-card h3{font-size:16.5px;margin-bottom:6px}
.tl-card p{color:var(--muted);font-size:13.5px}

/* ---------- 对比表 ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
table{width:100%;border-collapse:collapse;table-layout:fixed;min-width:760px}
thead th{
  font-family:var(--font-display);font-size:13.5px;letter-spacing:.08em;text-align:left;
  padding:20px 22px;color:var(--ink);background:rgba(255,255,255,.78);
  border-bottom:1px solid var(--line-strong);
}
tbody td{padding:17px 22px;font-size:13.5px;color:var(--ink-soft);border-bottom:1px solid rgba(79,141,255,.10);vertical-align:top;word-break:break-word}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .3s}
tbody tr:hover{background:rgba(47,107,255,.06)}
tbody td b,tbody td strong{color:var(--ink);font-weight:600}
tbody td .hl{color:var(--cyan)}
.td-label{color:var(--faint);font-size:12.5px;letter-spacing:.06em}

/* ---------- 折叠 ---------- */
.acc-item{border-radius:var(--r-md);overflow:hidden;margin-bottom:14px}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:var(--glass);border:1px solid var(--line);
  text-align:left;color:var(--ink);font-size:15px;font-weight:600;letter-spacing:.03em;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:border-color .35s,background .35s;
}
.acc-head:hover{border-color:var(--line-strong)}
.acc-head .ic{width:30px;height:30px;flex:none;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;transition:transform .4s var(--ease),background .4s,color .4s}
.acc-head .ic svg{width:14px;height:14px}
.acc-item.open .acc-head{border-color:rgba(55,224,255,.45);background:rgba(55,224,255,.08)}
.acc-item.open .ic{transform:rotate(45deg);background:var(--grad);color:#fff;border-color:transparent}
.acc-body{max-height:0;overflow:hidden;transition:max-height .55s var(--ease)}
.acc-body-inner{padding:6px 24px 24px;color:var(--muted);font-size:14px;border:1px solid transparent;border-top:none;border-radius:0 0 var(--r-md) var(--r-md)}
.acc-item.open .acc-body-inner{border-color:var(--line);background:rgba(255,255,255,.68)}
.acc-body-inner ul{list-style:disc;padding-left:20px;display:grid;gap:6px;margin-top:8px}
.acc-body-inner ul li::marker{color:var(--cyan)}

/* ---------- CTA 区 ---------- */
.cta-band{position:relative;border-radius:30px;padding:clamp(44px,6vw,70px);text-align:center;overflow:hidden;
  background:linear-gradient(120deg,rgba(55,224,255,.10),rgba(47,107,255,.07) 50%,rgba(124,77,255,.10));
  border:1px solid var(--line-strong);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(90px);
  background:radial-gradient(circle,rgba(47,107,255,.30),transparent 65%);top:-160px;left:-120px;animation:floatA 14s infinite;
}
.cta-band::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;filter:blur(90px);
  background:radial-gradient(circle,rgba(124,77,255,.26),transparent 65%);bottom:-150px;right:-100px;animation:floatB 18s infinite;
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,3.4vw,38px);margin-bottom:14px}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 34px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}

/* ---------- 联系块 ---------- */
.contact-row{display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:16px;background:var(--glass);border:1px solid var(--line);transition:border-color .35s,background .35s}
.contact-row:hover{border-color:var(--line-strong);background:var(--glass-2)}
.contact-ic{width:44px;height:44px;flex:none;border-radius:13px;display:grid;place-items:center;background:var(--grad-soft);border:1px solid var(--line-strong);color:var(--cyan)}
.contact-ic svg{width:21px;height:21px}
.contact-row .ct{flex:1;min-width:0}
.contact-row .ct b{display:block;font-size:14px;color:var(--ink);font-family:var(--font-display);letter-spacing:.06em}
.contact-row .ct span{font-size:13px;color:var(--muted)}
.wx-id{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:17px;letter-spacing:.1em;
  color:var(--cyan);background:rgba(55,224,255,.1);border:1px dashed rgba(15,168,216,.45);
  padding:10px 20px;border-radius:var(--radius-pill);margin-top:14px;
}
.copy-btn{
  display:inline-flex;align-items:center;gap:7px;margin-top:18px;
  font-family:var(--font-display);font-size:12.5px;letter-spacing:.1em;color:#fff;
  background:var(--grad);padding:11px 24px;border-radius:var(--radius-pill);border:none;
  box-shadow:0 10px 28px -12px rgba(47,107,255,.55);transition:transform .3s var(--ease),box-shadow .3s;
}
.copy-btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px -12px rgba(47,107,255,.75)}
.copy-btn svg{width:15px;height:15px}

/* ---------- 表单 ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--ink-soft);margin-bottom:8px;letter-spacing:.06em}
.field input,.field textarea,.field select{
  width:100%;padding:15px 18px;border-radius:14px;color:var(--ink);font-size:14px;
  background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.9);
  outline:none;transition:border-color .35s,box-shadow .35s,background .35s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--cyan);box-shadow:0 0 0 4px rgba(55,224,255,.14);background:rgba(255,255,255,.96);
}
.field textarea{resize:vertical;min-height:120px}
.field ::placeholder{color:var(--faint)}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line);background:rgba(255,255,255,.85);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding:70px 0 30px;position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 0%,rgba(47,107,255,.10),transparent 70%);pointer-events:none}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;margin-bottom:46px;position:relative}
.footer h4{font-family:var(--font-display);font-size:14px;letter-spacing:.14em;color:var(--ink);margin-bottom:20px}
.footer-links{display:grid;gap:12px}
.footer-links a{color:var(--muted);font-size:13.5px;transition:color .3s,padding-left .3s}
.footer-links a:hover{color:var(--cyan);padding-left:6px}
.footer-about{color:var(--muted);font-size:13.5px;margin-top:16px;max-width:300px}
.footer-bottom{border-top:1px solid rgba(79,141,255,.14);padding-top:24px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;color:var(--faint);font-size:12.5px;position:relative}
.footer-bottom a{color:var(--faint)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- 回顶 / Toast ---------- */
.back-top{
  position:fixed;right:26px;bottom:26px;z-index:90;width:48px;height:48px;border-radius:16px;
  display:grid;place-items:center;background:var(--glass-2);border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--ink);
  opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .4s,transform .4s,color .3s,border-color .3s;
}
.back-top.show{opacity:1;transform:none;pointer-events:auto}
.back-top:hover{color:var(--cyan);border-color:var(--cyan)}
.back-top svg{width:20px;height:20px}
.toast{
  position:fixed;left:50%;bottom:34px;z-index:400;transform:translateX(-50%) translateY(80px);
  display:flex;align-items:center;gap:12px;padding:15px 26px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.94);border:1px solid rgba(15,168,216,.4);color:var(--ink);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 20px 50px -20px rgba(23,43,99,.35),0 0 30px -10px rgba(15,168,216,.35);
  font-size:14px;opacity:0;transition:transform .5s var(--ease),opacity .4s;pointer-events:none;max-width:88vw;
}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast .ok{width:22px;height:22px;flex:none;border-radius:50%;background:rgba(11,154,112,.14);display:grid;place-items:center;color:#0b9a70}
.toast .ok svg{width:12px;height:12px}

/* ---------- 页面 hero（内页） ---------- */
.page-hero{padding:150px 0 56px;position:relative;overflow:hidden;text-align:center}
.page-hero h1{font-size:clamp(30px,4.6vw,50px);margin-bottom:16px;animation:riseIn .9s var(--ease) both}
.page-hero p{color:var(--muted);max-width:640px;margin:0 auto;font-size:15.5px;animation:riseIn 1s .15s var(--ease) both}
.breadcrumb{display:inline-flex;gap:10px;align-items:center;font-family:var(--font-display);font-size:12px;letter-spacing:.2em;color:var(--faint);margin-bottom:22px;animation:riseIn .8s var(--ease) both}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb i{font-style:normal;color:var(--blue)}

/* ---------- 优势点 ---------- */
.feature-card{display:flex;gap:18px;padding:26px 24px}
.feature-card .card-icon{margin-bottom:0;flex:none}
.feature-card h3{font-size:16.5px;margin-bottom:8px}
.feature-card p{color:var(--muted);font-size:13.5px}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.12s}
.reveal-delay-2{transition-delay:.24s}
.reveal-delay-3{transition-delay:.36s}
.reveal-delay-4{transition-delay:.48s}

/* ---------- 关键帧 ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:none}}
@keyframes badgeIn{from{opacity:0;transform:translateY(-14px) scale(.94)}to{opacity:1;transform:none}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.82)}}
@keyframes floatA{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(46px,-38px) scale(1.08)}}
@keyframes floatB{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-52px,34px) scale(1.1)}}
@keyframes chipFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes barGrow{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:60px}
  .hero-visual{max-width:520px;margin-inline:auto}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav-links,.nav-cta .btn{display:none}
  .burger{display:flex}
  .mobile-menu{display:block}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .tl-row{grid-template-columns:82px 28px 1fr}
  .tl-time{font-size:12px;padding-right:12px}
  .search-overlay{padding-top:10vh}
  .sr-item{flex-wrap:wrap}
  .sr-page{display:none}
}
@media (max-width:560px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .float-chip.c2{left:-8px}
  .float-chip.c3{right:-8px}
  .dash-bars{height:120px}
  .hero{padding-top:120px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .contact-row{flex-wrap:wrap}
  .search-overlay{padding-top:8vh}
}

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