/* ==========================================================================
   潍坊聚智科技有限公司 官网原型 — 品牌视觉 V2「DEEP SPACE / 深空电光」
   --------------------------------------------------------------------------
   设计语言：全站深色 + 玻璃拟态 + 电光渐变 + 精密网格
   与 V1（assets/css/style.css 浅色商务风）共用同一套 HTML 结构与文案，
   视觉差异完全由本文件承担，HTML 零改动。
   ========================================================================== */

/* ========================================================== 1. Design Tokens */
:root{
  color-scheme:dark;

  /* — 深空底层：四级纵深 — */
  --void:#04060C;
  --bg:#070A13;
  --bg-2:#0A0E1A;
  --bg-3:#0F1524;

  /* — 玻璃表面 — */
  --surf-1:rgba(255,255,255,.034);
  --surf-2:rgba(255,255,255,.058);
  --surf-3:rgba(255,255,255,.088);

  /* — 描边 — */
  --line:rgba(158,192,242,.17);
  --line-2:rgba(158,192,242,.095);

  /* — 文字 — */
  --ink:#EEF4FF;
  --ink-2:#D2DCEF;
  --ink-3:#A6B4CD;
  --muted:#8B9AB6;
  --faint:#6B7A93;

  /* — 品牌：电光青蓝 — */
  --brand:#3F8CFF;
  --brand-d:#2563EB;
  --brand-l:rgba(63,140,255,.13);
  --cyan:#22D3EE;
  --teal:#2DD4BF;
  --violet:#8B5CF6;

  --grad:linear-gradient(120deg,#2F7BFF 0%,#3F8CFF 52%,#22D3EE 100%);
  --grad-soft:linear-gradient(140deg,rgba(63,140,255,.17),rgba(139,92,246,.07));
  --grad-dark:linear-gradient(150deg,#080C17 0%,#0B1120 58%,#0D1730 132%);
  --grad-text:linear-gradient(100deg,#7DD3FC 0%,#A8CBFF 46%,#C9B8FF 100%);
  --grad-line:linear-gradient(90deg,transparent,rgba(125,211,252,.5) 50%,transparent);

  /* — 状态色 — */
  --ok:#34D399;
  --warn:#FBBF24;
  --danger:#FB7185;

  /* — 圆角：比 V1 更克制，更精密 — */
  --r-sm:8px;
  --r:12px;
  --r-lg:16px;
  --r-xl:22px;

  /* — 阴影与发光 — */
  --sh-1:0 2px 12px rgba(0,0,0,.45);
  --sh-2:0 12px 32px rgba(0,0,0,.45);
  --sh-3:0 28px 64px rgba(0,0,0,.6);
  --sh-brand:0 10px 30px -10px rgba(63,140,255,.8),0 2px 8px rgba(0,0,0,.4);
  --glow-cyan:0 0 32px -8px rgba(34,211,238,.75);
  --glow-brand:0 0 40px -12px rgba(63,140,255,.8);
  --hair:inset 0 1px 0 rgba(255,255,255,.075);

  --w:1200px;
  --hh:72px;

  /* — 内容插画用（内联样式引用，主题切换时自动适配） — */
  --map-grid:rgba(100,170,255,.1);
  --map-ink:#93B8E8;
  --row-alt:rgba(255,255,255,.024);
}

/* ========================================================== 2. Reset & Base */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--void)}
body{
  margin:0;
  font-family:"Inter","HarmonyOS Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.75;letter-spacing:.005em;
  color:var(--ink-2);background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  isolation:isolate;                     /* 建立层叠上下文，供环境光图层安全使用负 z-index */
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s,opacity .22s}
a:hover{color:var(--cyan)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.015em}
p{margin:0}
button{font-family:inherit}
svg{flex:0 0 auto}
code,kbd,samp{font-family:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
::selection{background:rgba(63,140,255,.4);color:#fff}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--void)}
::-webkit-scrollbar-thumb{background:rgba(140,170,220,.2);border-radius:99px;border:2px solid var(--void)}
::-webkit-scrollbar-thumb:hover{background:rgba(140,170,220,.34)}

/* ========================================================== 3. 环境光背景层
   fix 定位 + 负 z-index，铺满视口：极淡的星云光晕 + 精密网格 + 细噪点。
   纯 CSS 生成，不增加任何 DOM 节点。 */
body::before,
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none}
body::before{
  background-image:
    radial-gradient(900px 620px at 8% -6%,rgba(63,140,255,.22),transparent 62%),
    radial-gradient(760px 560px at 96% 4%,rgba(34,211,238,.14),transparent 60%),
    radial-gradient(900px 700px at 50% 108%,rgba(139,92,246,.13),transparent 62%);
}
body::after{
  opacity:.5;
  background-image:
    linear-gradient(rgba(140,180,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,180,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.35) 34%,transparent 62%);
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.35) 34%,transparent 62%);
}

/* ========================================================== 4. Layout */
/* overflow-x:clip 兜底：装饰性绝对定位元素（下方 .section::after 等）一旦宽于视口，
   body{overflow-x:hidden} 是拦不住的（html 仍会被撑出横向滚动条）。
   clip 不产生滚动容器，因此不影响 .topbar/.nav 的 sticky 与 html{scroll-behavior:smooth}；
   老浏览器不认该值时整条声明被丢弃，行为退回改动前，不会更糟。 */
html{overflow-x:clip}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.section{padding:86px 0;position:relative}
.section--tight{padding:62px 0}
/* 普通区块：顶部一层环境光，避免大面积纯黑。
   ⚠️ 宽度必须用 min(...,100%) 夹住，不能用百分数大于 100%（原为 126%）——
   它是 left:50% + translateX(-50%) 居中的，超出视口的那部分会直接撑出横向滚动条。 */
.section::after{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);
  width:min(1260px,100%);height:580px;z-index:0;pointer-events:none;
  background:radial-gradient(50% 50% at 50% 0%,rgba(63,140,255,.095),transparent 72%)}
.section > *{position:relative;z-index:1}
.section--bg{background:linear-gradient(180deg,rgba(255,255,255,.024),rgba(255,255,255,.005))}
.section--bg::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(150,190,255,.17) 22%,rgba(150,190,255,.17) 78%,transparent)}
/* 同上：固定 1340px 在 ≤1340px 视口下必然溢出（1080 下撑出 130px） */
.section--bg::after{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);
  width:min(1340px,100%);height:780px;z-index:0;pointer-events:none;
  background:radial-gradient(50% 50% at 50% 0%,rgba(63,140,255,.19),transparent 70%)}
.section--soft{background:linear-gradient(160deg,rgba(63,140,255,.08),rgba(139,92,246,.05))}
.section--dark{background:var(--grad-dark);color:var(--ink-3)}
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}

.section-head{max-width:780px;margin:0 auto 54px;text-align:center;position:relative}
.section-head--left{margin-left:0;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;
  color:#93C4FF;background:rgba(63,140,255,.09);border:1px solid rgba(63,140,255,.3);
  padding:7px 15px;border-radius:999px;margin-bottom:18px;
  box-shadow:0 0 26px -10px rgba(63,140,255,.9),inset 0 1px 0 rgba(255,255,255,.07)
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 10px var(--cyan),0 0 20px rgba(34,211,238,.7)}
h2.h2{font-size:clamp(25px,3.2vw,37px);letter-spacing:-.03em;font-weight:750}
.h2 + .lead{margin-top:16px}
.lead{font-size:16px;color:var(--muted);line-height:1.88}
.section--dark .lead{color:var(--ink-3)}

.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}

/* ========================================================== 5. Buttons */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:11px;border:1px solid transparent;
  font-size:15px;font-weight:650;letter-spacing:0;cursor:pointer;
  transition:transform .24s cubic-bezier(.16,.84,.44,1),box-shadow .24s,border-color .24s,background .24s,color .24s;
  white-space:nowrap;line-height:1.2;overflow:hidden;isolation:isolate
}
.btn svg{flex:0 0 auto}
.btn::after{ /* 悬停扫光 */
  content:"";position:absolute;top:0;bottom:0;left:-70%;width:45%;z-index:-1;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.3),transparent);
  transform:skewX(-18deg);transition:left .65s cubic-bezier(.16,.84,.44,1)
}
.btn:hover::after{left:125%}

.btn-primary{
  background:linear-gradient(135deg,#2559E8 0%,#3F8CFF 55%,#38BDF8 130%);
  color:#fff;
  box-shadow:0 10px 28px -12px rgba(63,140,255,.95),inset 0 1px 0 rgba(255,255,255,.28)
}
.btn-primary:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 18px 40px -12px rgba(63,140,255,1),0 0 44px -14px rgba(34,211,238,.85),inset 0 1px 0 rgba(255,255,255,.36)
}
.btn-ghost{
  background:var(--surf-1);color:var(--ink);border-color:var(--line);
  box-shadow:var(--hair);backdrop-filter:blur(10px)
}
.btn-ghost:hover{
  color:var(--cyan);border-color:rgba(34,211,238,.5);transform:translateY(-2px);
  background:rgba(34,211,238,.07);box-shadow:0 0 30px -12px rgba(34,211,238,.9),var(--hair)
}
.btn-line{
  background:rgba(255,255,255,.05);color:#fff;border-color:rgba(255,255,255,.26);
  backdrop-filter:blur(10px);box-shadow:var(--hair)
}
.btn-line:hover{
  color:#fff;background:rgba(255,255,255,.12);border-color:rgba(125,211,252,.65);
  transform:translateY(-2px);box-shadow:0 0 34px -12px rgba(125,211,252,.9),var(--hair)
}
.btn-dark{background:#EAF1FF;color:#06101F;font-weight:750}
.btn-dark:hover{color:#06101F;background:#fff;transform:translateY(-2px);box-shadow:0 14px 34px -12px rgba(234,241,255,.7)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:13px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none}

/* ========================================================== 6. Header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,10,19,.72);
  backdrop-filter:saturate(180%) blur(22px);-webkit-backdrop-filter:saturate(180%) blur(22px);
  border-bottom:1px solid var(--line-2);transition:background .3s,box-shadow .3s,border-color .3s
}
.site-header.is-stuck{
  background:rgba(6,9,17,.92);border-bottom-color:var(--line);
  box-shadow:0 10px 40px rgba(0,0,0,.55),0 1px 0 rgba(125,211,252,.06)
}
.topbar{
  position:relative;background:linear-gradient(90deg,#05070F,#080D1B 45%,#05070F);
  color:var(--faint);font-size:13px;border-bottom:1px solid var(--line-2)
}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(63,140,255,.55),rgba(34,211,238,.5),transparent)}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar a{color:var(--muted)}
.topbar a:hover{color:var(--cyan)}
.topbar-left{display:flex;gap:22px;align-items:center;overflow:hidden;white-space:nowrap}
.topbar-right{display:flex;gap:18px;align-items:center;white-space:nowrap}
.topbar-right .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);display:inline-block;margin-right:7px;
  box-shadow:0 0 0 3px rgba(45,212,191,.16),0 0 10px rgba(45,212,191,.9);animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

.header-inner{display:flex;align-items:center;gap:28px;height:var(--hh)}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  position:relative;width:41px;height:41px;border-radius:12px;
  background:linear-gradient(145deg,#2F7BFF,#3F8CFF 45%,#22D3EE);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:.03em;
  box-shadow:0 10px 26px -10px rgba(63,140,255,.95),inset 0 1px 0 rgba(255,255,255,.42);
  transition:transform .3s cubic-bezier(.16,.84,.44,1),box-shadow .3s
}
.logo-mark::after{ /* 状态指示灯，科技感来源 */
  content:"";position:absolute;right:-2px;bottom:-2px;width:11px;height:11px;border-radius:50%;
  background:var(--cyan);border:2.5px solid var(--bg);box-shadow:0 0 12px rgba(34,211,238,.95)
}
.logo:hover .logo-mark{transform:translateY(-1px) rotate(-3deg);box-shadow:0 16px 34px -10px rgba(63,140,255,1),0 0 30px -8px rgba(34,211,238,.9),inset 0 1px 0 rgba(255,255,255,.5)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;color:var(--ink);font-weight:800;letter-spacing:.01em}
.logo-text i{font-style:normal;font-size:10px;letter-spacing:.2em;color:var(--faint);font-weight:600}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav > a,.nav-item > a{
  position:relative;display:flex;align-items:center;gap:5px;padding:10px 13px;border-radius:9px;
  font-size:15px;font-weight:600;color:var(--ink-2)
}
.nav > a::after,.nav-item > a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:1.5px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));opacity:0;transform:scaleX(.4);
  transition:opacity .24s,transform .24s
}
.nav > a:hover,.nav-item > a:hover{color:#fff;background:rgba(255,255,255,.045)}
.nav > a:hover::after,.nav-item > a:hover::after{opacity:1;transform:scaleX(1)}
.nav > a.is-active,.nav-item > a.is-active{color:#fff;background:rgba(63,140,255,.14)}
.nav > a.is-active::after{opacity:1;transform:scaleX(1)}
.nav-item{position:relative}
.nav-item .caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);transition:.24s;opacity:.6}
.nav-item:hover .caret{transform:rotate(225deg) translateY(-2px);opacity:1;color:var(--cyan)}

.drop{
  position:absolute;top:calc(100% + 12px);left:0;min-width:262px;
  background:rgba(10,14,26,.94);backdrop-filter:blur(24px) saturate(170%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:10px;
  box-shadow:0 28px 66px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.03) inset,0 1px 0 rgba(255,255,255,.06) inset;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.24s
}
.drop::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:linear-gradient(90deg,transparent,rgba(125,211,252,.55),transparent)}
.nav-item:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:block;padding:10px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-2)}
.drop a span{display:block;font-size:12px;font-weight:400;color:var(--faint);margin-top:2px}
.drop a:hover{background:rgba(63,140,255,.13);color:#fff}

.header-cta{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.header-tel{display:flex;flex-direction:column;line-height:1.2}
.header-tel small{font-size:11px;color:var(--faint)}
.header-tel b{font-size:15px;color:var(--ink);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--surf-1);font-size:19px;cursor:pointer;color:var(--ink)
}

/* ========================================================== 7. Breadcrumb */
.crumb{background:rgba(255,255,255,.014);border-bottom:1px solid var(--line-2)}
.crumb .container{display:flex;align-items:center;gap:9px;height:50px;font-size:13px;color:var(--faint);
  overflow-x:auto;white-space:nowrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{color:var(--faint);opacity:.55}
.crumb .cur{color:var(--ink);font-weight:600}

/* ========================================================== 8. Hero */
.hero{
  position:relative;overflow:hidden;padding:100px 0 112px;
  background:linear-gradient(150deg,#0A1224 0%,#0C1730 52%,#102142 132%);
  color:var(--ink-3);isolation:isolate
}
.hero::before{ /* 四层布光：右上主光 / 左下紫雾 / 中心青雾 / 左上补光 */
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(1500px 1050px at 78% -22%,rgba(63,140,255,.5) 0%,rgba(63,140,255,.15) 36%,transparent 70%),
    radial-gradient(1100px 850px at 4% 116%,rgba(139,92,246,.34) 0%,transparent 70%),
    radial-gradient(1700px 950px at 46% 48%,rgba(34,211,238,.075) 0%,transparent 78%),
    radial-gradient(780px 640px at -8% -20%,rgba(34,211,238,.2) 0%,transparent 72%)
}
.hero::after{ /* 精密网格 + 顶部扫掠光带 */
  content:"";position:absolute;inset:0;z-index:-1;opacity:.62;
  background-image:
    linear-gradient(rgba(150,190,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,190,255,.06) 1px,transparent 1px),
    linear-gradient(115deg,transparent 42%,rgba(125,211,252,.1) 50%,transparent 58%);
  background-size:58px 58px,58px 58px,100% 100%;
  mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.6) 55%,transparent 92%);
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.6) 55%,transparent 92%)
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center}
.hero h1{
  font-size:clamp(31px,4.5vw,52px);color:#fff;line-height:1.16;letter-spacing:-.035em;
  text-shadow:0 0 60px rgba(63,140,255,.28)
}
.hero h1 em{font-style:normal;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 26px rgba(125,211,252,.5))}
.hero-sub{margin-top:24px;font-size:17px;line-height:1.92;color:#A7B8D6;max-width:600px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags span{
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;color:#CFE0FF;
  background:rgba(255,255,255,.055);border:1px solid rgba(150,190,255,.2);
  backdrop-filter:blur(8px);box-shadow:inset 0 1px 0 rgba(255,255,255,.07)
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-note{margin-top:22px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.hero-note b{color:var(--cyan)}
.hero-note svg{color:var(--teal)}

.hero-card{
  position:relative;border-radius:var(--r-xl);padding:28px;
  background:linear-gradient(155deg,rgba(255,255,255,.078),rgba(255,255,255,.022));
  border:1px solid rgba(150,190,255,.2);
  backdrop-filter:blur(20px) saturate(170%);
  box-shadow:0 34px 80px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.12),0 0 70px -30px rgba(63,140,255,.8);
  isolation:isolate
}
.hero-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:var(--r-xl) var(--r-xl) 0 0;
  background:linear-gradient(90deg,transparent,rgba(125,211,252,.8),transparent)}
.hero-card::after{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;pointer-events:none;
  background:radial-gradient(320px 180px at 82% -10%,rgba(34,211,238,.2),transparent 70%)}
.hero-card h4{color:#fff;font-size:14.5px;margin-bottom:20px;display:flex;align-items:center;gap:8px;
  letter-spacing:.01em;color:#D9E6FF}
.hero-card h4 svg{color:var(--cyan)}
.hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.hero-metric{
  background:rgba(255,255,255,.045);border:1px solid rgba(150,190,255,.14);border-radius:var(--r);
  padding:16px 14px;text-align:center;transition:.26s
}
.hero-metric:hover{background:rgba(63,140,255,.12);border-color:rgba(125,211,252,.4);transform:translateY(-2px)}
.hero-metric b{display:block;font-size:27px;font-weight:800;line-height:1.2;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-metric small{font-size:12px;color:var(--muted);display:block;margin-top:3px}
.hero-bars{margin-top:22px;display:grid;gap:13px}
.hero-bar{font-size:12px;color:#A9BAD6}
.hero-bar .bar{margin-top:7px;height:6px;border-radius:99px;background:rgba(150,190,255,.13);overflow:hidden;
  box-shadow:inset 0 1px 2px rgba(0,0,0,.4)}
.hero-bar .bar i{display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,#3F8CFF,#22D3EE);box-shadow:0 0 14px rgba(34,211,238,.8)}

/* ========================================================== 9. Page hero（内页） */
.phero{
  position:relative;overflow:hidden;padding:68px 0 72px;color:var(--ink-3);
  background:linear-gradient(160deg,#091124 0%,#0B1730 60%,#0F2040 130%);
  border-bottom:1px solid var(--line-2);isolation:isolate
}
.phero::before{ /* 双光源：右上蓝雾 / 左下紫雾 */
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(1180px 800px at 86% -28%,rgba(63,140,255,.45) 0%,rgba(34,211,238,.12) 42%,transparent 72%),
    radial-gradient(820px 620px at 2% 122%,rgba(139,92,246,.28) 0%,transparent 72%)
}
.phero::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.55;
  background-image:
    linear-gradient(rgba(150,190,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,190,255,.055) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:linear-gradient(to bottom,#000,transparent 88%);
  -webkit-mask-image:linear-gradient(to bottom,#000,transparent 88%)
}
.phero .container{position:relative;z-index:2}
.phero h1{color:#fff;font-size:clamp(27px,3.5vw,42px);line-height:1.2;letter-spacing:-.035em;
  text-shadow:0 0 50px rgba(63,140,255,.28)}
.phero > .container > .eyebrow{margin-bottom:20px}
.phero p{margin-top:18px;font-size:16px;line-height:1.88;max-width:800px;color:#A7B8D6}
.phero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.phero-tags span{
  padding:6px 13px;border-radius:9px;font-size:12.5px;font-weight:600;color:#C7D8F2;
  background:rgba(255,255,255,.055);border:1px solid rgba(150,190,255,.18);backdrop-filter:blur(8px)
}
.phero--mini{padding:54px 0 56px}
.phero .btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ========================================================== 10. Cards（玻璃拟态） */
.card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:30px;
  background:linear-gradient(158deg,rgba(255,255,255,.075) 0%,rgba(255,255,255,.02) 100%);
  border:1px solid rgba(160,195,245,.16);
  backdrop-filter:blur(16px) saturate(150%);
  box-shadow:0 1px 0 rgba(255,255,255,.07) inset,0 22px 46px -28px rgba(0,0,0,.9);
  transition:transform .3s cubic-bezier(.16,.84,.44,1),border-color .3s,box-shadow .3s,background .3s
}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(125,211,252,.7),transparent);transition:opacity .3s}
.card:hover{
  transform:translateY(-4px);border-color:rgba(125,211,252,.32);
  background:linear-gradient(158deg,rgba(63,140,255,.1) 0%,rgba(255,255,255,.022) 100%);
  box-shadow:0 1px 0 rgba(255,255,255,.09) inset,0 34px 66px -30px rgba(0,0,0,1),0 0 56px -22px rgba(63,140,255,.85)
}
.card:hover::before{opacity:1}
.card h3{font-size:19px;margin-bottom:12px;letter-spacing:-.02em}
.card p{color:var(--muted);font-size:14.5px}
.card-ico{
  width:52px;height:52px;border-radius:15px;margin-bottom:20px;color:#BFE0FF;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,rgba(63,140,255,.22),rgba(34,211,238,.09));
  border:1px solid rgba(125,211,252,.28);
  box-shadow:0 0 30px -12px rgba(63,140,255,.9),inset 0 1px 0 rgba(255,255,255,.14)
}
.card-num{
  position:absolute;right:22px;top:12px;font-size:54px;font-weight:800;line-height:1;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:1px rgba(150,190,255,.16);font-variant-numeric:tabular-nums
}
.card-link{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-weight:700;font-size:14px;color:#7FC4FF}
.card-link svg{transition:transform .26s}
.card:hover .card-link svg{transform:translateX(4px)}
.card-link:hover{color:var(--cyan)}
.card-flat{border:1px solid var(--line);background:var(--surf-1)}

/* 服务卡 */
.svc-card{display:flex;flex-direction:column;height:100%}
.svc-card .card-ico{
  background:linear-gradient(145deg,#2F7BFF,#3F8CFF 50%,#22D3EE);color:#fff;border-color:transparent;
  box-shadow:0 12px 28px -12px rgba(63,140,255,1),inset 0 1px 0 rgba(255,255,255,.35);transition:.34s
}
.svc-card:hover .card-ico{transform:scale(1.07) rotate(-4deg);
  box-shadow:0 18px 38px -12px rgba(63,140,255,1),0 0 40px -10px rgba(34,211,238,.95),inset 0 1px 0 rgba(255,255,255,.45)}
.svc-meta{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--faint)}
.svc-meta b,.svc-card .card-link{position:relative;z-index:2}

/* 优势卡 */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:28px 24px;
  background:linear-gradient(160deg,rgba(255,255,255,.062),rgba(255,255,255,.018));
  border:1px solid var(--line);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 20px 42px -28px rgba(0,0,0,.9);
  transition:transform .3s cubic-bezier(.16,.84,.44,1),border-color .3s,box-shadow .3s
}
.adv-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(125,211,252,.3),transparent)}
.adv-card::after{content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  transform:scaleX(0);transform-origin:left;
  background:linear-gradient(90deg,var(--brand),var(--cyan));transition:transform .4s cubic-bezier(.16,.84,.44,1)}
.adv-card:hover{transform:translateY(-4px);border-color:rgba(125,211,252,.34);
  box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 30px 60px -30px rgba(0,0,0,1),0 0 50px -22px rgba(63,140,255,.85)}
.adv-card:hover::after{transform:scaleX(1)}
.adv-k{font-size:11.5px;font-weight:800;letter-spacing:.14em;color:var(--cyan);margin-bottom:14px}
.adv-card h3{font-size:17px;margin-bottom:10px;letter-spacing:-.02em}
.adv-card p{font-size:14px;color:var(--muted)}

/* ========================================================== 11. Stat strip */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
  margin-top:-54px;position:relative;z-index:5;border-radius:var(--r-xl);
  background:linear-gradient(150deg,rgba(14,20,36,.94),rgba(9,13,24,.92));
  border:1px solid var(--line);
  backdrop-filter:blur(22px) saturate(170%);
  box-shadow:0 34px 74px -30px rgba(0,0,0,1),inset 0 1px 0 rgba(255,255,255,.09),0 0 80px -40px rgba(63,140,255,.9)
}
.stat-strip::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(125,211,252,.7),transparent)}
.stat-item{padding:30px 22px;text-align:center;border-right:1px solid var(--line-2)}
.stat-item:last-child{border-right:0}
.stat-item b{
  display:block;font-size:33px;font-weight:800;letter-spacing:-.035em;line-height:1.25;
  font-variant-numeric:tabular-nums;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 20px rgba(125,211,252,.35))
}
.stat-item small{font-size:13px;color:var(--muted);font-weight:600}

/* ========================================================== 12. Tool band（深色工具带） */
.tool-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:58px;color:var(--ink-3);
  background:linear-gradient(155deg,#080C17 0%,#0B1120 55%,#0E1A33 130%);
  border:1px solid var(--line);
  box-shadow:0 40px 90px -40px rgba(0,0,0,1),inset 0 1px 0 rgba(255,255,255,.07)
}
.tool-band::before{
  content:"";position:absolute;width:640px;height:640px;right:-180px;bottom:-320px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.4),transparent 70%)
}
.tool-band::after{
  content:"";position:absolute;inset:0;opacity:.4;
  background-image:
    linear-gradient(rgba(150,190,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,190,255,.05) 1px,transparent 1px);
  background-size:50px 50px;
  mask-image:radial-gradient(70% 70% at 50% 30%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 30%,#000,transparent)
}
.tool-band .grid{position:relative;z-index:2}
.tool-card{
  position:relative;border-radius:var(--r-lg);padding:32px;display:flex;flex-direction:column;gap:14px;
  background:linear-gradient(158deg,rgba(255,255,255,.072),rgba(255,255,255,.02));
  border:1px solid rgba(150,190,255,.19);
  backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 22px 50px -26px rgba(0,0,0,.95);
  transition:transform .3s cubic-bezier(.16,.84,.44,1),border-color .3s,box-shadow .3s,background .3s
}
.tool-card:hover{
  transform:translateY(-5px);border-color:rgba(125,211,252,.42);
  background:linear-gradient(158deg,rgba(63,140,255,.14),rgba(255,255,255,.025));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16),0 32px 66px -28px rgba(0,0,0,1),0 0 62px -24px rgba(63,140,255,.85)
}
.tool-card h3{color:#fff;font-size:21px;letter-spacing:-.025em}
.tool-card p{font-size:14.5px;color:#A7B8D6}
.tool-card .btn{margin-top:auto;align-self:flex-start}
.tool-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:11.5px;font-weight:700;letter-spacing:.05em;padding:6px 12px;border-radius:999px;
  background:rgba(34,211,238,.11);color:#8FE6FF;border:1px solid rgba(34,211,238,.32);
  box-shadow:0 0 24px -10px rgba(34,211,238,.9)
}
.tool-list{display:grid;gap:9px;margin:6px 0 4px}
.tool-list li{font-size:13.5px;color:#A9BAD6;padding-left:22px;position:relative}
.tool-list li::before{content:"";position:absolute;left:0;top:8px;width:13px;height:13px;border-radius:50%;
  background:rgba(34,211,238,.14);border:1px solid rgba(34,211,238,.5)}
.tool-list li::after{content:"";position:absolute;left:4.5px;top:12px;width:4px;height:4px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px var(--cyan)}

/* ========================================================== 13. Step flow */
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:0;margin-top:10px}
.flow-step{text-align:center;padding:0 10px;position:relative}
.flow-step::after{content:"";position:absolute;top:23px;left:calc(50% + 28px);right:calc(-50% + 28px);height:1.5px;
  background:linear-gradient(90deg,rgba(63,140,255,.55),rgba(34,211,238,.28),rgba(63,140,255,.1))}
.flow-step:last-child::after{display:none}
.flow-dot{
  position:relative;z-index:2;width:47px;height:47px;margin:0 auto 16px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;color:#8FC4FF;
  background:linear-gradient(150deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid rgba(150,190,255,.22);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 12px 26px -14px rgba(0,0,0,.9);
  transition:transform .3s cubic-bezier(.16,.84,.44,1),background .3s,color .3s,box-shadow .3s,border-color .3s
}
.flow-step:hover .flow-dot{
  background:linear-gradient(145deg,#2F7BFF,#22D3EE);color:#fff;border-color:transparent;
  transform:scale(1.09) translateY(-2px);
  box-shadow:0 16px 34px -12px rgba(63,140,255,1),0 0 40px -10px rgba(34,211,238,.95),inset 0 1px 0 rgba(255,255,255,.4)
}
.flow-step h4{font-size:15px;margin-bottom:7px;letter-spacing:-.01em}
.flow-step p{font-size:13px;color:var(--muted);line-height:1.72}

/* ========================================================== 14. Pain / Solution */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pain{
  position:relative;border-radius:var(--r);padding:24px;overflow:hidden;
  background:linear-gradient(160deg,rgba(251,113,133,.075),rgba(255,255,255,.012));
  border:1px solid rgba(251,113,133,.2);border-left:3px solid rgba(251,113,133,.85)
}
.pain::before{content:"";position:absolute;left:-40px;top:-40px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,rgba(251,113,133,.2),transparent 70%);pointer-events:none}
.pain h4{font-size:16px;margin-bottom:9px;display:flex;align-items:center;gap:9px;position:relative}
.pain h4 .n{width:23px;height:23px;flex:0 0 auto;border-radius:7px;font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  background:rgba(251,113,133,.16);color:var(--danger);border:1px solid rgba(251,113,133,.3)}
.pain p{font-size:14px;color:var(--muted);position:relative}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sol{
  position:relative;border-radius:var(--r);padding:24px;overflow:hidden;
  background:linear-gradient(160deg,rgba(63,140,255,.095),rgba(255,255,255,.012));
  border:1px solid rgba(63,140,255,.24);border-left:3px solid rgba(63,140,255,.9)
}
.sol::before{content:"";position:absolute;left:-40px;top:-40px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,140,255,.24),transparent 70%);pointer-events:none}
.sol h4{font-size:16px;margin-bottom:9px;display:flex;align-items:center;gap:9px;position:relative}
.sol h4 .n{width:23px;height:23px;flex:0 0 auto;border-radius:7px;font-size:11.5px;font-weight:800;
  font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
  background:rgba(63,140,255,.2);color:#8FC4FF;border:1px solid rgba(125,211,252,.32)}
.sol p{font-size:14px;color:var(--muted);position:relative}

/* ========================================================== 15. Check list / soft box */
.check-list{display:grid;gap:12px}
.check-list li{position:relative;padding-left:30px;font-size:14.5px;color:var(--ink-3)}
.check-list li b{color:var(--ink)}
.check-list li::before{content:"";position:absolute;left:0;top:2px;width:19px;height:19px;border-radius:50%;
  background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.3)}
.check-list li::after{content:"";position:absolute;left:6.5px;top:7.5px;width:5px;height:9px;
  border-right:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(42deg)}
.soft-box{
  position:relative;border-radius:var(--r-lg);padding:28px;overflow:hidden;
  background:linear-gradient(158deg,rgba(255,255,255,.055),rgba(255,255,255,.016));
  border:1px solid var(--line);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 20px 46px -28px rgba(0,0,0,.9)
}
.soft-box::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-line);opacity:.6}
.divider{height:1px;margin:56px 0;border:0;
  background:linear-gradient(90deg,transparent,rgba(150,190,255,.22),transparent)}

/* ========================================================== 16. Price */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price{
  /* 注意：这里不能加 overflow:hidden —— .price-hot-tag 用 top:-1px + translate(-50%,-50%)
     让徽标中心压在上边框上（上下各露一半），一旦开启裁剪，上半部分会被切掉只剩下半。
     顶部渐变条改为左右内缩到卡片平直段，不再依赖父级裁剪。 */
  position:relative;border-radius:var(--r-lg);padding:36px 28px;
  background:linear-gradient(160deg,rgba(255,255,255,.052),rgba(255,255,255,.014));
  border:1px solid var(--line);backdrop-filter:blur(16px);
  box-shadow:0 1px 0 rgba(255,255,255,.055) inset,0 22px 48px -28px rgba(0,0,0,.9);
  transition:transform .3s cubic-bezier(.16,.84,.44,1),border-color .3s,box-shadow .3s
}
.price:hover{transform:translateY(-5px);border-color:rgba(125,211,252,.32);
  box-shadow:0 1px 0 rgba(255,255,255,.09) inset,0 34px 68px -30px rgba(0,0,0,1),0 0 56px -22px rgba(63,140,255,.8)}
.price.is-hot{
  border-color:rgba(125,211,252,.55);
  background:linear-gradient(160deg,rgba(63,140,255,.14),rgba(255,255,255,.018));
  box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 34px 70px -30px rgba(0,0,0,1),0 0 74px -24px rgba(63,140,255,1)
}
/* 顶部渐变条：左右内缩到卡片的「平直段」（圆角 var(--r-lg) 之后才是直的），
   这样无需父级 overflow:hidden 裁剪，也不会在圆角外露出「翅膀」 */
.price.is-hot::before{content:"";position:absolute;left:var(--r-lg);right:var(--r-lg);top:0;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));box-shadow:0 0 20px rgba(34,211,238,.8)}
.price-hot-tag{
  position:absolute;top:-1px;left:50%;transform:translate(-50%,-50%);
  background:linear-gradient(135deg,#2F7BFF,#22D3EE);color:#fff;
  font-size:11.5px;font-weight:800;letter-spacing:.06em;padding:6px 18px;border-radius:999px;white-space:nowrap;
  box-shadow:0 10px 26px -8px rgba(63,140,255,1),inset 0 1px 0 rgba(255,255,255,.35)
}
.price h3{font-size:19px;margin-bottom:6px;letter-spacing:-.02em}
.price .sub{font-size:13px;color:var(--muted);min-height:38px}
.price .amt{margin:22px 0 4px;font-size:31px;font-weight:800;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.price .amt small{font-size:14px;font-weight:600;-webkit-text-fill-color:var(--muted);color:var(--muted)}
.price .tip{font-size:12.5px;color:var(--faint);margin-bottom:22px}
.price ul{margin:22px 0 28px;display:grid;gap:11px}
.price ul li{position:relative;padding-left:24px;font-size:13.8px;color:var(--ink-3)}
.price ul li::before{content:"";position:absolute;left:0;top:6px;width:14px;height:8px;
  border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg);border-radius:1px}

/* ========================================================== 17. Cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.052),rgba(255,255,255,.014));
  border:1px solid var(--line);backdrop-filter:blur(16px);
  box-shadow:0 1px 0 rgba(255,255,255,.055) inset,0 22px 48px -28px rgba(0,0,0,.9);
  transition:transform .3s cubic-bezier(.16,.84,.44,1),border-color .3s,box-shadow .3s
}
.case-card:hover{transform:translateY(-5px);border-color:rgba(125,211,252,.32);
  box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 36px 72px -30px rgba(0,0,0,1),0 0 62px -22px rgba(63,140,255,.85)}
.case-thumb{
  position:relative;height:172px;display:flex;align-items:center;justify-content:center;overflow:hidden;
  font-size:36px;font-weight:800;letter-spacing:-.03em;
  color:rgba(160,195,245,.34);
  background:linear-gradient(155deg,rgba(63,140,255,.16),rgba(10,14,26,.9) 62%,rgba(34,211,238,.09));
  border-bottom:1px solid var(--line-2)
}
.case-thumb::after{content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(150,190,255,.075) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,190,255,.075) 1px,transparent 1px);
  background-size:30px 30px;
  mask-image:radial-gradient(80% 80% at 50% 50%,#000,transparent);
  -webkit-mask-image:radial-gradient(80% 80% at 50% 50%,#000,transparent)}
.case-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(6,10,20,.72);backdrop-filter:blur(10px);
  color:#9FD4FF;font-size:11.5px;font-weight:700;letter-spacing:.04em;
  padding:5px 12px;border-radius:999px;border:1px solid rgba(125,211,252,.3);
  box-shadow:0 0 22px -10px rgba(34,211,238,.9)
}
.case-body{padding:24px;display:flex;flex-direction:column;flex:1}
.case-body h3{font-size:17px;margin-bottom:10px;letter-spacing:-.02em}
.case-body p{font-size:13.8px;color:var(--muted);flex:1}
.case-kpi{display:flex;gap:22px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.case-kpi div b{display:block;font-size:18px;font-weight:800;line-height:1.3;font-variant-numeric:tabular-nums;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.case-kpi div small{font-size:11.5px;color:var(--faint)}
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px}
.chip{
  padding:9px 20px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;
  background:var(--surf-1);border:1px solid var(--line);color:var(--ink-3);
  backdrop-filter:blur(10px);transition:.24s
}
.chip:hover{border-color:rgba(125,211,252,.45);color:var(--cyan);background:rgba(34,211,238,.06)}
.chip.is-on{
  background:linear-gradient(135deg,#2F7BFF,#3F8CFF 60%,#22D3EE);border-color:transparent;color:#fff;
  box-shadow:0 10px 26px -10px rgba(63,140,255,1),inset 0 1px 0 rgba(255,255,255,.3)
}

/* ========================================================== 18. Article / 知识中心 */
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:34px;border-bottom:1px solid var(--line)}
.tab{
  padding:13px 20px;font-size:14.5px;font-weight:600;color:var(--muted);cursor:pointer;
  background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;transition:.24s
}
.tab:hover{color:var(--cyan)}
.tab.is-on{color:#fff;border-bottom-color:var(--cyan);
  background:linear-gradient(180deg,transparent,rgba(34,211,238,.09));border-radius:8px 8px 0 0}
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.art-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-lg);padding:26px;
  background:linear-gradient(158deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid var(--line);backdrop-filter:blur(16px);
  box-shadow:0 1px 0 rgba(255,255,255,.055) inset,0 22px 46px -28px rgba(0,0,0,.9);
  transition:transform .3s cubic-bezier(.16,.84,.44,1),border-color .3s,box-shadow .3s
}
.art-card:hover{transform:translateY(-4px);border-color:rgba(125,211,252,.32);
  box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 32px 64px -30px rgba(0,0,0,1),0 0 56px -22px rgba(63,140,255,.8)}
.art-cat{
  align-self:flex-start;margin-bottom:14px;padding:5px 11px;border-radius:7px;
  font-size:11.5px;font-weight:700;letter-spacing:.05em;
  color:#8FC4FF;background:rgba(63,140,255,.14);border:1px solid rgba(63,140,255,.3)
}
.art-cat.c-geo{color:#7FE7F5;background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.3)}
.art-cat.c-ind{color:#6EE7C0;background:rgba(45,212,191,.11);border-color:rgba(45,212,191,.28)}
.art-cat.c-web{color:#C4B5FD;background:rgba(139,92,246,.13);border-color:rgba(139,92,246,.3)}
.art-card h3{font-size:16.5px;line-height:1.5;margin-bottom:11px;letter-spacing:-.02em}
.art-card h3 a:hover{color:var(--cyan)}
.art-card p{font-size:13.8px;color:var(--muted);flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.art-foot{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:15px;border-top:1px solid var(--line-2);
  font-size:12.5px;color:var(--faint)}
.art-foot .dotsep{width:3px;height:3px;border-radius:50%;background:var(--faint);opacity:.6}
.art-list{display:grid;gap:18px}
.art-row{
  display:grid;grid-template-columns:180px 1fr;gap:24px;align-items:center;
  border-radius:var(--r-lg);padding:22px;
  background:linear-gradient(158deg,rgba(255,255,255,.048),rgba(255,255,255,.013));
  border:1px solid var(--line);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset;
  transition:transform .3s cubic-bezier(.16,.84,.44,1),border-color .3s,box-shadow .3s
}
.art-row:hover{transform:translateY(-3px);border-color:rgba(125,211,252,.3);
  box-shadow:0 1px 0 rgba(255,255,255,.09) inset,0 26px 54px -28px rgba(0,0,0,1),0 0 48px -22px rgba(63,140,255,.75)}
.art-row .thumb{
  height:118px;border-radius:var(--r);display:flex;align-items:center;justify-content:center;color:#8FC4FF;
  background:linear-gradient(155deg,rgba(63,140,255,.17),rgba(10,14,26,.85) 70%,rgba(34,211,238,.1));
  border:1px solid var(--line)
}
.art-row h3{font-size:17px;margin:10px 0 8px;letter-spacing:-.02em}
.art-row h3 a:hover{color:var(--cyan)}
.art-row p{font-size:13.8px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:48px}
.pagination a,.pagination span{
  min-width:40px;height:40px;padding:0 12px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;font-size:14px;font-weight:600;
  color:var(--ink-3);background:var(--surf-1);transition:.24s
}
.pagination a:hover{border-color:rgba(125,211,252,.5);color:var(--cyan);background:rgba(34,211,238,.07)}
.pagination .is-on{background:linear-gradient(135deg,#2F7BFF,#22D3EE);color:#fff;border-color:transparent;
  box-shadow:0 10px 26px -10px rgba(63,140,255,1),inset 0 1px 0 rgba(255,255,255,.3)}
.pagination .dis{color:var(--faint);background:rgba(255,255,255,.02);opacity:.6}

/* ========================================================== 19. Sidebar */
.layout-side{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.side{position:sticky;top:calc(var(--hh) + 24px);display:grid;gap:20px}
.side-box{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:26px;
  background:linear-gradient(158deg,rgba(255,255,255,.05),rgba(255,255,255,.014));
  border:1px solid var(--line);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(255,255,255,.055) inset,0 20px 44px -28px rgba(0,0,0,.9)
}
.side-box::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-line);opacity:.55}
.side-box h4{font-size:15px;margin-bottom:16px;padding-bottom:13px;border-bottom:1px solid var(--line-2);letter-spacing:-.01em}
.side-links li{border-bottom:1px dashed var(--line)}
.side-links li:last-child{border-bottom:0}
.side-links a{display:flex;align-items:center;justify-content:space-between;padding:11px 0;font-size:13.8px;
  color:var(--ink-3);font-weight:600}
.side-links a:hover{color:var(--cyan)}
.side-cta{
  background:linear-gradient(155deg,#0A1020,#0C1630 70%,#0E1D3A);border-color:rgba(125,211,252,.24);
  color:var(--ink-3)
}
.side-cta::before{opacity:1;background:linear-gradient(90deg,transparent,rgba(125,211,252,.8),transparent)}
.side-cta h4{color:#fff;border-bottom-color:rgba(255,255,255,.12)}
.side-cta p{font-size:13.5px;margin-bottom:18px;color:#A7B8D6}

/* ========================================================== 20. Prose（文章正文） */
.prose{font-size:16px;line-height:1.95;color:var(--ink-2)}
.prose > * + *{margin-top:22px}
.prose h2{
  font-size:23px;margin-top:48px;line-height:1.4;padding-left:15px;position:relative;letter-spacing:-.025em
}
.prose h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--cyan));box-shadow:0 0 16px rgba(34,211,238,.7)}
.prose h3{font-size:18.5px;margin-top:34px;letter-spacing:-.02em}
.prose p{color:var(--ink-3)}
.prose b,.prose strong{color:var(--ink)}
.prose ul,.prose ol{display:grid;gap:11px;padding-left:4px}
.prose ul li{position:relative;padding-left:26px;color:var(--ink-3)}
.prose ul li::before{content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--cyan));box-shadow:0 0 10px rgba(34,211,238,.6)}
.prose ol{counter-reset:o;list-style:none}
.prose ol li{counter-increment:o;position:relative;padding-left:38px;color:var(--ink-3)}
.prose ol li::before{content:counter(o);position:absolute;left:0;top:3px;width:24px;height:24px;border-radius:8px;
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
  background:rgba(63,140,255,.16);color:#8FC4FF;border:1px solid rgba(63,140,255,.3)}
.prose blockquote{
  margin:0;padding:22px 26px;border-radius:0 var(--r) var(--r) 0;font-size:15px;color:var(--ink-3);
  background:linear-gradient(158deg,rgba(34,211,238,.08),rgba(255,255,255,.012));
  border-left:3px solid var(--cyan)
}
.prose code{font-size:13.5px;padding:2px 7px;border-radius:6px;
  background:rgba(63,140,255,.13);color:#9FD4FF;border:1px solid rgba(63,140,255,.22)}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;overflow:hidden;border-radius:var(--r);
  border:1px solid var(--line)}
.prose th,.prose td{border:1px solid var(--line-2);padding:13px 16px;text-align:left}
.prose th{background:rgba(63,140,255,.1);font-weight:700;color:var(--ink)}
.prose td{color:var(--ink-3)}
.prose img{border-radius:var(--r);width:100%}
.prose .fig{padding:20px;border-radius:var(--r);text-align:center;font-size:14px;color:var(--map-ink);
  background:linear-gradient(155deg,rgba(63,140,255,.13),rgba(255,255,255,.012));border:1px solid var(--line)}

/* 内联表格（服务页「服务内容表」等） */
.card table{color:var(--ink-3)}
.card table th{color:var(--ink-3)}
.card table td{color:var(--ink-3)}
.card table td[style*="color:var(--brand)"]{color:#7FC4FF!important}

/* ========================================================== 21. FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq{
  position:relative;overflow:hidden;border-radius:var(--r);
  background:linear-gradient(158deg,rgba(255,255,255,.048),rgba(255,255,255,.013));
  border:1px solid var(--line);backdrop-filter:blur(12px);transition:.26s
}
.faq[open]{border-color:rgba(125,211,252,.3);background:linear-gradient(158deg,rgba(63,140,255,.09),rgba(255,255,255,.016));
  box-shadow:0 0 46px -22px rgba(63,140,255,.85),0 1px 0 rgba(255,255,255,.07) inset}
.faq summary{
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none;
  display:flex;align-items:center;gap:14px;position:relative
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";width:26px;height:26px;flex:0 0 auto;border-radius:8px;
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
  background:rgba(63,140,255,.16);color:#8FC4FF;border:1px solid rgba(63,140,255,.3)}
.faq summary::after{content:"";position:absolute;right:26px;width:9px;height:9px;margin-top:-4px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:.28s}
.faq[open] summary::after{transform:rotate(225deg);margin-top:2px;border-color:var(--cyan)}
.faq .ans{padding:0 24px 24px 64px;font-size:14.8px;color:var(--muted);line-height:1.9}

/* ========================================================== 22. Forms */
.form{display:grid;gap:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:grid;gap:9px}
.field > label{font-size:13.5px;font-weight:700;color:var(--ink)}
.field > label .req{color:var(--danger);margin-left:3px}
.field .hint{font-size:12px;color:var(--faint)}
.input,.select,.textarea{
  width:100%;padding:13px 16px;border-radius:11px;font-size:14.5px;font-family:inherit;
  color:var(--ink);background:rgba(255,255,255,.032);border:1px solid var(--line);
  transition:border-color .22s,box-shadow .22s,background .22s
}
.input:hover,.select:hover,.textarea:hover{border-color:rgba(150,190,255,.26)}
.input:focus,.select:focus,.textarea:focus{
  outline:0;border-color:rgba(125,211,252,.65);background:rgba(63,140,255,.07);
  box-shadow:0 0 0 4px rgba(63,140,255,.16),0 0 34px -14px rgba(34,211,238,.9)
}
.input::placeholder,.textarea::placeholder{color:var(--faint)}
.select{appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237C8BA7' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px}
.select option{background:#0A0E1A;color:var(--ink)}
.textarea{min-height:118px;resize:vertical;line-height:1.7}
.opt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.opt{position:relative;cursor:pointer}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt span{
  display:flex;flex-direction:column;gap:3px;padding:15px 16px;border-radius:var(--r);
  background:rgba(255,255,255,.03);border:1.5px solid var(--line);transition:.22s
}
.opt span b{font-size:14.5px;color:var(--ink);font-weight:700}
.opt span i{font-style:normal;font-size:12px;color:var(--muted)}
.opt:hover span{border-color:rgba(150,190,255,.34)}
.opt input:checked + span{
  border-color:rgba(125,211,252,.7);background:linear-gradient(158deg,rgba(63,140,255,.16),rgba(34,211,238,.06));
  box-shadow:0 0 0 3px rgba(63,140,255,.14),0 0 34px -14px rgba(34,211,238,.9)
}
.opt input:checked + span b{color:#9FD4FF}
.form-note{font-size:12.5px;color:var(--faint);line-height:1.75}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-3);cursor:pointer}
.checkbox input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}

/* ========================================================== 23. Wizard（报价） */
.wizard{display:grid;grid-template-columns:1fr 380px;gap:44px;align-items:start}
.steps{display:flex;align-items:center;margin-bottom:38px}
.step{display:flex;align-items:center;gap:11px;flex:1}
.step:last-child{flex:0 0 auto}
.step-n{
  width:35px;height:35px;flex:0 0 auto;border-radius:50%;font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:2px solid var(--line);color:var(--faint);transition:.28s
}
.step-t{font-size:13.5px;font-weight:700;color:var(--faint);white-space:nowrap}
.step-bar{height:2px;flex:1;background:var(--line);margin:0 14px;border-radius:2px;transition:.28s}
.step.is-on .step-n{background:linear-gradient(135deg,#2F7BFF,#22D3EE);border-color:transparent;color:#fff;
  box-shadow:0 10px 26px -10px rgba(63,140,255,1),0 0 28px -8px rgba(34,211,238,.9)}
.step.is-on .step-t{color:#9FD4FF}
.step.is-done .step-n{background:rgba(63,140,255,.15);border-color:rgba(63,140,255,.45);color:#8FC4FF}
.step.is-done .step-t{color:var(--ink-3)}
.step.is-done .step-bar{background:linear-gradient(90deg,rgba(63,140,255,.6),rgba(34,211,238,.4))}
.wz-panel{display:none}
.wz-panel.is-on{display:block;animation:fadeUp .38s cubic-bezier(.16,.84,.44,1)}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.wz-title{font-size:20px;margin-bottom:7px;letter-spacing:-.025em}
.wz-desc{font-size:14px;color:var(--muted);margin-bottom:26px}
.wz-foot{display:flex;justify-content:space-between;gap:14px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}

.quote-side{
  position:sticky;top:calc(var(--hh) + 24px);border-radius:var(--r-xl);padding:30px;
  background:linear-gradient(158deg,rgba(255,255,255,.058),rgba(255,255,255,.016));
  border:1px solid var(--line);backdrop-filter:blur(18px);
  box-shadow:0 1px 0 rgba(255,255,255,.07) inset,0 30px 66px -30px rgba(0,0,0,1),0 0 60px -30px rgba(63,140,255,.7)
}
.quote-side h3{font-size:17px;margin-bottom:20px;display:flex;align-items:center;gap:9px;letter-spacing:-.02em}
.quote-side h3 svg{color:var(--cyan)}
.sum-row{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:13.5px}
.sum-row span{color:var(--muted)}
.sum-row b{color:var(--ink);font-weight:700;text-align:right}
.sum-price{
  margin-top:22px;padding:24px;border-radius:var(--r-lg);text-align:center;
  background:linear-gradient(155deg,#0A1020,#0C1630 70%,#0E1D3A);
  border:1px solid rgba(125,211,252,.22);
  box-shadow:0 0 50px -22px rgba(63,140,255,.9),inset 0 1px 0 rgba(255,255,255,.07)
}
.sum-price small{font-size:12.5px;color:var(--muted)}
.sum-price b{display:block;margin-top:6px;font-size:28px;font-weight:800;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.sum-price b em{font-style:normal;font-size:16px;-webkit-text-fill-color:#8FE6FF;color:#8FE6FF}
.sum-tip{margin-top:14px;font-size:12px;color:var(--faint);text-align:center;line-height:1.7}

/* 结果面板 */
.result-hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:42px;text-align:center;color:var(--ink-3);
  background:linear-gradient(155deg,#080C17,#0B1222 58%,#0F1D3C);
  border:1px solid rgba(125,211,252,.22);
  box-shadow:0 34px 76px -34px rgba(0,0,0,1),inset 0 1px 0 rgba(255,255,255,.09)
}
.result-hero::before{content:"";position:absolute;width:520px;height:520px;left:50%;top:-330px;transform:translateX(-50%);
  border-radius:50%;background:radial-gradient(circle,rgba(63,140,255,.55),transparent 70%)}
.result-hero::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-line)}
.result-hero > *{position:relative;z-index:2}
.result-hero h3{color:#fff;font-size:20px;margin-bottom:14px;letter-spacing:-.025em}
.result-price{font-size:40px;font-weight:800;letter-spacing:-.035em;font-variant-numeric:tabular-nums;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 28px rgba(125,211,252,.45))}
.result-hero .note{font-size:13px;margin-top:12px}
.rec-list{display:grid;gap:12px;margin-top:26px;text-align:left}
.rec-item{display:flex;gap:13px;align-items:flex-start;border-radius:var(--r);padding:16px 18px;
  background:rgba(255,255,255,.05);border:1px solid rgba(150,190,255,.16);backdrop-filter:blur(10px)}
.rec-item .rn{width:24px;height:24px;flex:0 0 auto;border-radius:7px;font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  background:rgba(34,211,238,.13);color:#8FE6FF;border:1px solid rgba(34,211,238,.22)}
.rec-item b{color:#fff;font-size:14.5px;display:block;margin-bottom:4px}
.rec-item p{font-size:13px;color:#A7B8D6}

/* ========================================================== 24. Audit（网站体检） */
.audit-box{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:38px;
  background:linear-gradient(158deg,rgba(255,255,255,.058),rgba(255,255,255,.016));
  border:1px solid var(--line);backdrop-filter:blur(18px);
  box-shadow:0 1px 0 rgba(255,255,255,.07) inset,0 30px 68px -32px rgba(0,0,0,1),0 0 70px -34px rgba(63,140,255,.75)
}
.audit-box::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-line)}
.audit-input{display:flex;gap:12px}
.audit-input .input{flex:1;padding:16px 18px;font-size:15px}
.scan-log{margin-top:26px;display:grid;gap:11px;font-size:13.8px}
.scan-line{display:flex;align-items:center;gap:12px;color:var(--muted)}
.scan-line .ic{width:21px;height:21px;flex:0 0 auto;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--faint);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.scan-line.is-done{color:var(--ink-2)}
.scan-line.is-done .ic{background:rgba(52,211,153,.15);color:var(--ok);border-color:rgba(52,211,153,.34)}
.scan-line.is-run .ic{background:rgba(63,140,255,.18);color:#8FC4FF;border-color:rgba(63,140,255,.4)}
.spinner{width:12px;height:12px;border:2px solid rgba(125,211,252,.28);border-top-color:var(--cyan);
  border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.score-wrap{display:grid;grid-template-columns:280px 1fr;gap:44px;align-items:center}
.score-ring{
  position:relative;width:224px;height:224px;margin:0 auto;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:conic-gradient(var(--brand) 0deg,var(--ok) 0deg,var(--line-2) 0deg);
  filter:drop-shadow(0 0 40px rgba(63,140,255,.4))
}
.score-ring::before{content:"";position:absolute;inset:17px;border-radius:50%;
  background:radial-gradient(circle at 50% 30%,#0C1220,#070A13);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 0 0 1px rgba(150,190,255,.09)}
.score-in{position:relative;z-index:2;text-align:center}
.score-in b{display:block;font-size:54px;font-weight:800;letter-spacing:-.045em;line-height:1;
  font-variant-numeric:tabular-nums;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.score-in small{font-size:12.5px;color:var(--muted);font-weight:600}
.score-grade{display:inline-block;margin-top:10px;padding:5px 16px;border-radius:999px;
  font-size:13px;font-weight:800;color:#8FC4FF;background:rgba(63,140,255,.14);border:1px solid rgba(63,140,255,.32)}
.dim{display:grid;gap:16px}
.dim-row{display:grid;gap:9px}
.dim-top{display:flex;justify-content:space-between;align-items:baseline;font-size:14px}
.dim-top b{color:var(--ink);font-weight:700}
.dim-top .sc{font-weight:800;font-variant-numeric:tabular-nums}
.bar{height:8px;border-radius:99px;background:rgba(150,190,255,.1);overflow:hidden;box-shadow:inset 0 1px 2px rgba(0,0,0,.5)}
.bar i{display:block;height:100%;border-radius:99px;transition:width 1s cubic-bezier(.4,0,.2,1)}
.b-ok i{background:linear-gradient(90deg,#10B981,#34D399);box-shadow:0 0 16px rgba(52,211,153,.8)}
.b-md i{background:linear-gradient(90deg,#D97706,#FBBF24);box-shadow:0 0 16px rgba(251,191,36,.8)}
.b-bad i{background:linear-gradient(90deg,#E11D48,#FB7185);box-shadow:0 0 16px rgba(251,113,133,.8)}
.issue{display:grid;grid-template-columns:1fr;gap:0}
.issue-row{display:grid;grid-template-columns:1fr 90px;gap:20px;padding:18px 0;border-bottom:1px solid var(--line-2);align-items:center}
.issue-row:last-child{border-bottom:0}
.issue-row h4{font-size:15px;margin-bottom:6px}
.issue-row p{font-size:13.5px;color:var(--muted)}
.issue-row p b{color:#7FC4FF}
.pill{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;font-size:11.5px;font-weight:700}
.pill-ok{background:rgba(52,211,153,.14);color:#6EE7B7;border:1px solid rgba(52,211,153,.3)}
.pill-md{background:rgba(251,191,36,.13);color:#FCD34D;border:1px solid rgba(251,191,36,.28)}
.pill-bad{background:rgba(251,113,133,.14);color:#FDA4AF;border:1px solid rgba(251,113,133,.3)}

/* ========================================================== 25. CTA band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:62px;text-align:center;
  background:linear-gradient(155deg,#080C17 0%,#0B1222 55%,#0F1D3C 130%);
  border:1px solid rgba(125,211,252,.2);
  box-shadow:0 42px 92px -42px rgba(0,0,0,1),inset 0 1px 0 rgba(255,255,255,.09),0 0 90px -42px rgba(63,140,255,.95)
}
.cta-band::before{
  content:"";position:absolute;width:720px;height:720px;left:50%;top:-470px;transform:translateX(-50%);
  border-radius:50%;background:radial-gradient(circle,rgba(63,140,255,.55),rgba(34,211,238,.12) 45%,transparent 70%)
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.4;
  background-image:
    linear-gradient(rgba(150,190,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,190,255,.055) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,#000,transparent 80%);
  -webkit-mask-image:linear-gradient(to bottom,#000,transparent 80%)
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(24px,3.1vw,35px);letter-spacing:-.03em}
.cta-band p{color:#A7B8D6;margin-top:16px;font-size:16px;max-width:660px;margin-left:auto;margin-right:auto}
.cta-band .btn-row{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:32px}
.cta-points{display:flex;justify-content:center;flex-wrap:wrap;gap:26px;margin-top:28px;font-size:13.5px;color:#A7B8D6}
.cta-points span{display:flex;align-items:center;gap:8px}
.cta-points span::before{content:"";width:15px;height:8px;margin-top:-4px;border-radius:1px;
  border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg)}

/* ========================================================== 26. Footer */
.site-footer{
  position:relative;background:var(--void);color:var(--muted);padding:68px 0 0;font-size:14px;
  border-top:1px solid var(--line-2);overflow:hidden
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(125,211,252,.5) 30%,rgba(139,92,246,.4) 70%,transparent)}
.site-footer::after{content:"";position:absolute;left:50%;bottom:-420px;transform:translateX(-50%);
  width:1100px;height:700px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(63,140,255,.16),transparent 68%)}
.site-footer .container{position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:44px;padding-bottom:48px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:20px;letter-spacing:-.01em}
.site-footer h4::after{content:"";display:block;width:22px;height:2px;margin-top:9px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan))}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--cyan)}
.foot-brand p{font-size:13.5px;line-height:1.92;margin:18px 0;color:var(--muted)}
.foot-links{display:grid;gap:11px;font-size:13.5px}
.foot-contact{display:grid;gap:14px;font-size:13.5px}
/* 必须限定直接子项：写成 `.foot-contact div` 会连内层文字容器一起 flex 化，
   把 <b>（电话/邮箱/地址）与 <small>（说明）挤成并排的两个 flex 项互相压窄，
   导致每个字段都折成两行、且左右错开。加 `>` 后内层恢复块级：b 一行、small 一行。 */
.foot-contact>div{display:flex;gap:11px;align-items:flex-start}
.foot-contact>div>div{flex:1;min-width:0}
/* small 的浏览器默认 `smaller` 会让说明文字只有 11.25px，比同页脚 .foot-qr small(12.5px) 明显偏小，统一为 12.5px */
.foot-contact small{font-size:12.5px}
.foot-contact .ic{
  width:33px;height:33px;flex:0 0 auto;border-radius:10px;color:#8FE6FF;
  display:flex;align-items:center;justify-content:center;font-size:14px;
  background:rgba(63,140,255,.12);border:1px solid rgba(63,140,255,.24);
  box-shadow:0 0 22px -10px rgba(34,211,238,.9)
}
.foot-contact b{color:#fff;display:block;font-size:14.5px}
.foot-qr{display:flex;gap:16px;align-items:center;margin-top:20px}
.foot-qr .qr{
  width:98px;height:98px;border-radius:13px;background:#fff;padding:7px;flex:0 0 auto;
  box-shadow:0 0 34px -10px rgba(125,211,252,.75),0 0 0 1px rgba(255,255,255,.12)
}
.foot-qr .qr div{width:100%;height:100%;border-radius:6px;
  background-image:linear-gradient(#0B1220 2px,transparent 2px),linear-gradient(90deg,#0B1220 2px,transparent 2px),
  linear-gradient(#0B1220 2px,transparent 2px),linear-gradient(90deg,#0B1220 2px,transparent 2px);
  background-size:11px 11px,11px 11px,7px 7px,7px 7px;background-position:0 0,0 0,3px 5px,5px 3px;opacity:.86}
.foot-qr small{color:var(--faint);font-size:12.5px;line-height:1.72}
.foot-bottom{border-top:1px solid var(--line-2);padding:22px 0;display:flex;flex-wrap:wrap;gap:16px;
  justify-content:space-between;align-items:center;font-size:12.5px;color:var(--faint)}
.foot-bottom .links{display:flex;flex-wrap:wrap;gap:20px}
.foot-bottom .links a{font-size:12.5px;color:var(--muted)}

/* ========================================================== 27. Floating widget */
.float-widget{position:fixed;right:22px;bottom:26px;z-index:90;display:grid;gap:10px}
.fw-btn{
  width:53px;height:53px;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;cursor:pointer;font-size:10px;font-weight:700;
  color:var(--ink-3);background:rgba(11,16,29,.86);backdrop-filter:blur(18px) saturate(170%);
  border:1px solid var(--line);
  box-shadow:0 16px 36px -16px rgba(0,0,0,1),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .26s cubic-bezier(.16,.84,.44,1),color .26s,border-color .26s,box-shadow .26s
}
.fw-btn:hover{color:var(--cyan);border-color:rgba(34,211,238,.55);transform:translateY(-3px);
  box-shadow:0 20px 40px -16px rgba(0,0,0,1),0 0 34px -12px rgba(34,211,238,.9),inset 0 1px 0 rgba(255,255,255,.12)}
.fw-btn.is-main{
  background:linear-gradient(145deg,#2F7BFF,#3F8CFF 45%,#22D3EE);color:#fff;border-color:transparent;
  box-shadow:0 16px 36px -14px rgba(63,140,255,1),0 0 34px -12px rgba(34,211,238,.85),inset 0 1px 0 rgba(255,255,255,.35)
}
.fw-btn.is-main:hover{color:#fff;transform:translateY(-3px)}
.fw-btn svg{width:20px;height:20px}
.fw-panel{
  position:fixed;right:88px;bottom:26px;width:252px;padding:22px;z-index:91;text-align:center;
  border-radius:var(--r-lg);background:rgba(10,14,26,.94);backdrop-filter:blur(24px) saturate(170%);
  border:1px solid var(--line);
  box-shadow:0 30px 70px rgba(0,0,0,.8),0 0 50px -20px rgba(63,140,255,.7),inset 0 1px 0 rgba(255,255,255,.08);
  opacity:0;visibility:hidden;transform:translateX(14px);transition:.28s
}
.fw-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--grad-line)}
.fw-panel.is-on{opacity:1;visibility:visible;transform:none}
.fw-panel h5{font-size:14.5px;margin-bottom:14px}
.fw-panel .qr{width:150px;height:150px;margin:0 auto 12px;border-radius:12px;background:#fff;padding:9px;
  box-shadow:0 0 30px -10px rgba(125,211,252,.7)}
.fw-panel .qr div{width:100%;height:100%;border-radius:6px;
  background-image:linear-gradient(#0B1220 2px,transparent 2px),linear-gradient(90deg,#0B1220 2px,transparent 2px);
  background-size:13px 13px,13px 13px;opacity:.86}
.fw-panel p{font-size:12.5px;color:var(--muted);line-height:1.72}

/* -- AI 客服对话面板（FR-AIS-001）：与浮窗同一套玻璃语言，尺寸更大以容纳对话流 -- */
.chat-panel{
  position:fixed;right:88px;bottom:26px;width:368px;max-height:min(566px,calc(100vh - 116px));
  display:none;flex-direction:column;overflow:hidden;z-index:92;
  border-radius:var(--r-lg);background:rgba(10,14,26,.96);backdrop-filter:blur(24px) saturate(170%);
  border:1px solid var(--line);
  box-shadow:0 30px 70px rgba(0,0,0,.8),0 0 50px -20px rgba(63,140,255,.7),inset 0 1px 0 rgba(255,255,255,.08)
}
.chat-panel.is-on{display:flex}
.chat-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--grad-line)}
.chat-head{display:flex;align-items:center;gap:11px;padding:15px 18px;border-bottom:1px solid var(--line-2);
  background:rgba(255,255,255,.022)}
.chat-head .avatar{width:34px;height:34px;flex:none;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#2F7BFF,#3F8CFF 45%,#22D3EE);color:#fff;
  box-shadow:0 10px 24px -12px rgba(63,140,255,1),inset 0 1px 0 rgba(255,255,255,.35)}
.chat-head .avatar svg{width:18px;height:18px}
.chat-head .who{flex:1;min-width:0}
.chat-head .who b{display:block;font-size:14px;line-height:1.4}
.chat-head .who small{display:flex;align-items:center;gap:6px;margin-top:3px;font-size:11.5px;color:var(--muted)}
.chat-head .who small::before{content:"";width:5px;height:5px;flex:none;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.chat-close{width:28px;height:28px;flex:none;display:flex;align-items:center;justify-content:center;cursor:pointer;
  color:var(--faint);background:transparent;border:1px solid transparent;border-radius:9px;transition:.24s}
.chat-close:hover{color:var(--ink);background:var(--surf-2);border-color:var(--line)}
.chat-close svg{width:15px;height:15px}
.chat-log{flex:1;min-height:150px;overflow-y:auto;overscroll-behavior:contain;padding:16px 18px;
  display:flex;flex-direction:column;gap:11px}
.chat-log::-webkit-scrollbar{width:6px}
.chat-log::-webkit-scrollbar-thumb{background:rgba(158,192,242,.24);border-radius:3px}
.msg{max-width:87%;padding:11px 14px;border-radius:13px;font-size:13px;line-height:1.74;
  white-space:pre-line;word-break:break-word}
.msg.is-bot{align-self:flex-start;color:var(--ink-2);background:var(--surf-2);border:1px solid var(--line-2);
  border-top-left-radius:4px}
.msg.is-me{align-self:flex-end;color:#fff;background:var(--grad);border-top-right-radius:4px;
  box-shadow:0 12px 28px -14px rgba(63,140,255,1)}
.msg a{color:var(--cyan);text-decoration:underline;text-underline-offset:2px}
.msg.is-me a{color:#fff}
.chat-typing{align-self:flex-start;display:flex;gap:5px;padding:15px 16px;border-radius:13px;border-top-left-radius:4px;
  background:var(--surf-2);border:1px solid var(--line-2)}
.chat-typing i{width:5px;height:5px;border-radius:50%;background:var(--muted);animation:chatDot 1.05s infinite}
.chat-typing i:nth-child(2){animation-delay:.16s}
.chat-typing i:nth-child(3){animation-delay:.32s}
@keyframes chatDot{0%,60%,100%{opacity:.28;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.chat-quick{display:flex;flex-wrap:wrap;gap:7px;padding:0 18px 13px}
.chat-quick.is-empty{display:none}
.chat-quick button{font:inherit;font-size:12px;line-height:1.5;padding:7px 12px;cursor:pointer;text-align:left;
  color:var(--ink-3);background:var(--surf-1);border:1px solid var(--line);border-radius:999px;transition:.24s}
.chat-quick button:hover{color:var(--cyan);background:var(--surf-2);border-color:rgba(34,211,238,.5)}
.chat-lead{margin:0 18px 13px;padding:13px 15px;border-radius:var(--r);
  background:var(--brand-l);border:1px solid rgba(63,140,255,.32)}
.chat-lead p{font-size:12.5px;color:var(--ink-2);line-height:1.68;margin-bottom:11px}
.chat-lead .btn{width:100%;justify-content:center;padding:11px 18px;font-size:13px}
/* 面板内置留资表单：只有一行两列输入，避免把对话流挤没 */
.chat-lead-form{display:flex;flex-direction:column;gap:9px}
.chat-lead-row{display:flex;gap:9px}
.chat-lead-row .input{flex:1;min-width:0}
.chat-lead-form .input{padding:10px 12px;font-size:12.5px;border-radius:9px;
  background:rgba(4,6,12,.55);border:1px solid var(--line);color:var(--ink)}
.chat-lead-form .input::placeholder{color:var(--faint)}
.chat-lead-form .input:focus{outline:none;border-color:rgba(34,211,238,.55);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.chat-lead-agree{font-size:11.5px;line-height:1.5;gap:7px;color:var(--faint)}
.chat-lead-agree input{width:14px;height:14px;margin-top:2px}
.chat-lead-agree a{color:var(--cyan);text-decoration:underline;text-underline-offset:2px}
.chat-lead-page{align-self:center;padding:3px 6px;font:inherit;font-size:11.5px;color:var(--faint);
  background:transparent;border:0;cursor:pointer;transition:.24s}
.chat-lead-page:hover{color:var(--cyan)}
/* 展开内置表单时收掉快捷问题并压缩对话流，否则提交按钮会被 .chat-panel 的
   overflow:hidden 从底部裁掉（面板有 max-height，flex 子项压不下去） */
.chat-panel.is-lead .chat-quick{display:none}
.chat-panel.is-lead .chat-log{min-height:104px}
.chat-form{display:flex;align-items:center;gap:9px;padding:14px 18px 9px;border-top:1px solid var(--line-2);
  background:rgba(255,255,255,.02)}
.chat-form input{flex:1;min-width:0;padding:11px 13px;font-size:13px;color:var(--ink);
  background:rgba(4,6,12,.6);border:1px solid var(--line);border-radius:var(--r)}
.chat-form input::placeholder{color:var(--faint)}
.chat-form input:focus{outline:none;border-color:rgba(34,211,238,.55);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.chat-send{width:40px;height:40px;flex:none;display:flex;align-items:center;justify-content:center;cursor:pointer;
  color:#fff;background:var(--grad);border:0;border-radius:var(--r);
  box-shadow:0 12px 28px -14px rgba(63,140,255,1),inset 0 1px 0 rgba(255,255,255,.3);transition:.24s}
.chat-send:hover{transform:translateY(-2px)}
.chat-send:disabled{opacity:.5;cursor:not-allowed;transform:none}
.chat-send svg{width:17px;height:17px}
.chat-tip{padding:0 18px 13px;font-size:11.5px;line-height:1.6;text-align:center;color:var(--faint);
  background:rgba(255,255,255,.02)}

/* ========================================================== 28. Toast */
.toast{
  position:fixed;left:50%;bottom:40px;z-index:200;max-width:92vw;
  display:flex;align-items:center;gap:11px;
  padding:15px 26px;border-radius:13px;font-size:14.5px;font-weight:600;color:#fff;
  background:rgba(10,14,26,.94);backdrop-filter:blur(22px) saturate(170%);
  border:1px solid rgba(125,211,252,.28);
  box-shadow:0 28px 64px rgba(0,0,0,.85),0 0 46px -18px rgba(34,211,238,.8),inset 0 1px 0 rgba(255,255,255,.1);
  opacity:0;visibility:hidden;transform:translate(-50%,24px);transition:.32s cubic-bezier(.16,.84,.44,1)
}
.toast.is-on{opacity:1;visibility:visible;transform:translate(-50%,0)}
.toast .ic{width:22px;height:22px;flex:0 0 auto;border-radius:50%;font-size:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#10B981,#34D399);box-shadow:0 0 18px -4px rgba(52,211,153,.95)}

/* ========================================================== 29. Reveal */
.rv{opacity:0;transform:translateY(22px)}
.rv.is-in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s cubic-bezier(.16,.84,.44,1)}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
  .topbar-right .dot{animation:none}
  .btn::after{display:none}
}

/* ========================================================== 30. Misc */
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-block;font-size:12px;font-weight:700;padding:5px 11px;border-radius:7px;
  color:#8FC4FF;background:rgba(63,140,255,.13);border:1px solid rgba(63,140,255,.26)
}
.mt0{margin-top:0}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt32{margin-top:32px}.mt48{margin-top:48px}
.tc{text-align:center}
.kv{display:grid;gap:14px}
.kv-row{display:grid;grid-template-columns:120px 1fr;gap:16px;font-size:14px;padding-bottom:14px;
  border-bottom:1px dashed var(--line)}
.kv-row:last-child{border-bottom:0;padding-bottom:0}
.kv-row dt{color:var(--faint);font-weight:600}
.kv-row dd{margin:0;color:var(--ink-2)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 内联补充色兜底（build.mjs 中少数内联写法在深色下的可读性修正） */
[style*="color:var(--brand)"]{color:#7FC4FF!important}
[style*="color:#4C6BA8"]{color:var(--map-ink)!important}
[style*="background:var(--bg-2)"]{background:rgba(255,255,255,.035)!important}
.topbar .container [style*="color:#8593AB"]{color:var(--faint)!important}

/* ========================================================== 31. Responsive */
@media (max-width:1080px){
  .adv,.g4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero-grid,.split,.wizard,.layout-side,.score-wrap{grid-template-columns:1fr;gap:38px}
  .side,.quote-side{position:static}
  .flow{grid-template-columns:repeat(3,1fr);gap:30px 0}
  .flow-step:nth-child(3)::after{display:none}
  .tool-band,.cta-band{padding:42px 32px}
  .g3,.art-grid,.case-grid,.pain-grid,.sol-grid,.price-grid,.opt-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line-2)}
  .nav,.header-cta .btn{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .header-tel{display:none}
  .site-header.is-open .nav{
    display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:14px;
    background:rgba(8,12,22,.97);backdrop-filter:blur(22px);
    border-bottom:1px solid var(--line);box-shadow:0 30px 60px rgba(0,0,0,.8)
  }
  .site-header.is-open .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    background:transparent;border:0;padding:0 0 0 14px;min-width:0}
}
@media (max-width:720px){
  .section{padding:58px 0}
  .g2,.g3,.g4,.adv,.art-grid,.case-grid,.pain-grid,.sol-grid,.price-grid,.opt-grid,.stat-strip,.form-row{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-right:1px solid var(--line-2)!important;border-bottom:1px solid var(--line-2)!important}
  .stat-item:nth-child(2n){border-right:0!important}
  .stat-item:nth-child(n+3){border-bottom:0!important}
  .flow{grid-template-columns:1fr 1fr}
  .flow-step:nth-child(2n)::after{display:none}
  .flow-step::after{display:none}
  .hero{padding:66px 0 76px}
  .art-row{grid-template-columns:1fr}
  .stat-strip{margin-top:-38px}
  .audit-input{flex-direction:column}
  .issue-row{grid-template-columns:1fr;gap:10px}
  .wz-foot{flex-direction:column-reverse}
  .wz-foot .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .float-widget{right:14px;bottom:16px}
  .fw-panel{right:14px;bottom:88px;width:min(282px,calc(100vw - 28px))}
  .chat-panel{left:14px;right:14px;bottom:88px;width:auto;max-height:calc(100vh - 116px)}
  .chat-panel.is-lead .chat-log{min-height:72px}
  .topbar-left{display:none}
  .topbar .container{justify-content:center}
  .kv-row{grid-template-columns:1fr;gap:4px}
  .price.is-hot{transform:none}
  .hero-card{padding:22px}
  .hero-metric b{font-size:24px}
  .tool-band,.cta-band{padding:34px 22px}
  .score-ring{width:190px;height:190px}
  .score-in b{font-size:46px}
  .card,.audit-box{padding:24px}
}
@media print{
  .site-header,.float-widget,.topbar,.cta-band,.fw-panel,.chat-panel{display:none}
  body{background:#fff;color:#111}
  body::before,body::after{display:none}
}