/* ============================================================
   香港阔思 BROADVISION — 官网科技风样式
   主题：深空蓝黑 + 青紫流光 + 玻璃拟态
   ============================================================ */

/* ---------- 变量 ---------- */
:root{
  --bg:#050914;
  --bg-2:#080F1F;
  --bg-3:#0B1426;
  --cyan:#00E5FF;
  --blue:#3B82F6;
  --purple:#A855F7;
  --pink:#EC4899;
  --text:#E6EDF7;
  --muted:#8FA0BC;
  --muted-2:#64748B;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.035);
  --radius:20px;
  --radius-sm:14px;
  --nav-h:74px;
  --grad:linear-gradient(120deg,#00E5FF 0%,#7C9CFF 45%,#A855F7 100%);
  --font: "Inter","SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI",
          "PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h);}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
strong{font-weight:600;color:#fff;}
::selection{background:rgba(0,229,255,.28);color:#fff;}

/* 图标 */
.ico{
  width:1em;height:1em;flex:none;
  fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}

/* 滚动条 */
::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{background:#04070F;}
::-webkit-scrollbar-thumb{background:linear-gradient(#0E7C86,#4C2E8F);border-radius:10px;border:2px solid #04070F;}

/* 通用容器 */
.container{width:100%;max-width:1260px;margin:0 auto;padding:0 24px;}

/* 渐变文字 */
.gradient-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

/* 玻璃卡片（渐变描边） */
.glass{
  position:relative;
  background:
    linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.012)) padding-box,
    linear-gradient(140deg,rgba(255,255,255,.16),rgba(255,255,255,.03) 38%,rgba(0,229,255,.22)) border-box;
  border:1px solid transparent;
  border-radius:var(--radius);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}

/* ---------- 背景层 ---------- */
.particles{position:fixed;inset:0;width:100%;height:100%;z-index:0;opacity:.55;pointer-events:none;}
.bg-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 78%);
}
.bg-glow{position:fixed;border-radius:50%;filter:blur(110px);z-index:0;pointer-events:none;opacity:.5;}
.bg-glow--1{width:620px;height:620px;top:-220px;left:-160px;background:radial-gradient(circle,#0EA5B7,transparent 66%);animation:float1 20s ease-in-out infinite;}
.bg-glow--2{width:560px;height:560px;top:18%;right:-200px;background:radial-gradient(circle,#6D28D9,transparent 66%);animation:float2 24s ease-in-out infinite;}
.bg-glow--3{width:520px;height:520px;bottom:-180px;left:38%;background:radial-gradient(circle,#1D4ED8,transparent 68%);animation:float1 28s ease-in-out infinite reverse;}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(50px,40px) scale(1.12);}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-60px,50px) scale(1.08);}}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  transition:background .35s,border-color .35s,backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{
  background:rgba(5,9,20,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav__inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px;}

.logo{display:flex;align-items:center;gap:12px;}
.logo__mark{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,rgba(0,229,255,.14),rgba(168,85,247,.14));
  border:1px solid rgba(255,255,255,.1);
}
.logo__text{display:flex;flex-direction:column;line-height:1.2;}
.logo__text strong{font-size:16px;letter-spacing:.16em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.logo__text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.09em;}

.nav__menu{display:flex;align-items:center;gap:6px;}
.nav__link{
  position:relative;padding:9px 15px;border-radius:10px;
  font-size:14.5px;color:var(--muted);transition:color .25s,background .25s;
}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav__link.is-active{color:#fff;}
.nav__link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;background:var(--grad);
}
.nav__actions{display:flex;align-items:center;gap:12px;}
.nav__toggle{display:none;background:none;border:1px solid var(--line);color:#fff;width:40px;height:40px;border-radius:11px;cursor:pointer;align-items:center;justify-content:center;}
.nav__toggle .ico{width:20px;height:20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:100px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s,border-color .28s,background .28s,color .28s;
}
.btn .ico{width:17px;height:17px;}
.btn--sm{padding:10px 18px;font-size:13.5px;}
.btn--primary{
  background:var(--grad);color:#04121A;
  box-shadow:0 8px 26px -8px rgba(0,229,255,.5);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -8px rgba(0,229,255,.62);}
.btn--ghost{
  background:rgba(255,255,255,.045);border-color:var(--line);color:var(--text);
}
.btn--ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(0,229,255,.4);transform:translateY(-2px);}
.btn--outline{
  background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text);
}
.btn--outline:hover{
  border-color:color-mix(in srgb,var(--accent,#00E5FF) 60%,transparent);
  color:#fff;background:color-mix(in srgb,var(--accent,#00E5FF) 12%,transparent);
  transform:translateY(-2px);
}
.btn--disabled{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--muted-2);cursor:not-allowed;}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 首屏 Hero ---------- */
.hero{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;padding:calc(var(--nav-h) + 60px) 0 100px;}
.hero__inner{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero__content{max-width:660px;}

/* 右侧视觉区：作为浮动小卡的定位基准（缺少 position 会导致小卡以整屏
   .hero 为基准而跑到屏幕外）。
   --bleed 为小卡允许溢出视觉区的距离，并自动夹在「到视口边缘的安全距离」
   之内，保证 PC 端任何宽度下都不会超出屏幕边界。 */
.hero__visual{
  position:relative;
  --edge:max(0px,(100vw - 1260px)/2);
  --bleed:min(38px,calc(var(--edge) + 12px));
}

.hero__badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;border-radius:100px;margin-bottom:26px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);letter-spacing:.06em;
  backdrop-filter:blur(10px);
}
.hero__badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}

.hero__title{font-size:clamp(42px,5.6vw,74px);letter-spacing:-.02em;margin-bottom:18px;}
.hero__title .line{display:block;}
.hero__subtitle{
  font-size:clamp(17px,2vw,22px);color:var(--muted);margin-bottom:20px;letter-spacing:.02em;
}
.hero__subtitle .hl{color:var(--cyan);font-weight:600;}
.hero__desc{font-size:15.5px;color:var(--muted);max-width:600px;margin-bottom:34px;}
.hero__buttons{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px;}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid var(--line);
}
.stat{padding:20px 16px;background:rgba(8,15,31,.72);backdrop-filter:blur(10px);}
.stat__num{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;}
.stat__num i{font-style:normal;font-size:14px;margin-left:3px;color:var(--muted);font-weight:500;}
.stat__num .num-static{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-size:clamp(19px,2vw,24px);}
.stat__label{font-size:12px;color:var(--muted-2);margin-top:6px;line-height:1.5;}

/* 浮动小卡 */
.float-card{
  position:absolute;display:flex;align-items:center;gap:11px;
  padding:12px 16px;border-radius:14px;z-index:3;
  background:rgba(10,18,36,.78);border:1px solid var(--line);
  backdrop-filter:blur(14px);box-shadow:0 12px 40px -12px rgba(0,0,0,.7);
}
.float-card .ico{width:22px;height:22px;color:var(--cyan);}
.float-card strong{display:block;font-size:13.5px;color:#fff;line-height:1.3;}
.float-card span{display:block;font-size:11.5px;color:var(--muted-2);}
.float-card--1{top:7%;left:calc(-1 * var(--bleed,0px));animation:floatY 7s ease-in-out infinite;}
.float-card--2{top:27%;right:calc(-1 * var(--bleed,0px));animation:floatY 8.5s ease-in-out infinite .8s;}
.float-card--3{bottom:11%;left:calc(-0.7 * var(--bleed,0px));animation:floatY 9.5s ease-in-out infinite 1.6s;}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}

.scroll-hint{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:10px;font-size:11.5px;color:var(--muted-2);letter-spacing:.14em;
}
.scroll-hint span{width:22px;height:34px;border:1px solid var(--line);border-radius:12px;position:relative;}
.scroll-hint span::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;border-radius:2px;background:var(--cyan);transform:translateX(-50%);animation:wheel 1.8s infinite;}
@keyframes wheel{0%{opacity:0;transform:translate(-50%,0);}30%{opacity:1;}100%{opacity:0;transform:translate(-50%,12px);}}

/* ---------- 通用 Section ---------- */
.section{position:relative;z-index:1;padding:120px 0;}
.section--alt::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,transparent,rgba(11,20,38,.62) 18%,rgba(11,20,38,.62) 82%,transparent);
}
.section-head{max-width:760px;margin-bottom:56px;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.22em;color:var(--cyan);
  margin-bottom:16px;padding:6px 14px;border-radius:100px;
  background:rgba(0,229,255,.07);border:1px solid rgba(0,229,255,.2);
}
.section-title{font-size:clamp(28px,3.6vw,44px);margin-bottom:18px;}
.section-desc{font-size:15.5px;color:var(--muted);max-width:640px;margin:0;}

/* ---------- 公司概览 ---------- */
.about-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:start;}
.about-card{padding:36px;}
.about-card__title{font-size:22px;margin-bottom:18px;}
.about-card p{color:var(--muted);font-size:15px;}
.about-card p:last-of-type{margin-bottom:24px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  padding:7px 16px;border-radius:100px;font-size:13px;color:var(--muted);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:all .3s;
}
.tag:hover{color:#fff;border-color:rgba(0,229,255,.45);background:rgba(0,229,255,.08);transform:translateY(-2px);}

.about-highlights{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.mini-card{padding:26px 22px;text-align:left;transition:transform .35s,box-shadow .35s;}
.mini-card:hover{transform:translateY(-5px);box-shadow:0 22px 50px -22px rgba(0,229,255,.4);}
.mini-card__num{font-size:38px;font-weight:800;line-height:1;margin-bottom:10px;}
.mini-card__num small{font-size:16px;font-weight:600;margin-left:3px;}
.mini-card__text{font-size:13.5px;color:var(--text);line-height:1.6;}
.mini-card__text span{color:var(--muted-2);font-size:12px;}

/* ---------- 核心能力 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.cap-card{padding:32px 26px;overflow:hidden;transition:transform .38s cubic-bezier(.2,.8,.2,1),box-shadow .38s;}
.cap-card:hover{transform:translateY(-8px);box-shadow:0 28px 60px -26px rgba(88,120,255,.55);}
.cap-card__icon{
  width:54px;height:54px;border-radius:15px;display:grid;place-items:center;margin-bottom:22px;
  background:linear-gradient(140deg,rgba(0,229,255,.16),rgba(168,85,247,.16));
  border:1px solid rgba(255,255,255,.11);
}
.cap-card__icon .ico{width:26px;height:26px;color:var(--cyan);}
.cap-card h3{font-size:17.5px;margin-bottom:12px;}
.cap-card p{font-size:14px;color:var(--muted);margin:0;}
.cap-card__index{
  position:absolute;top:18px;right:24px;font-size:44px;font-weight:800;
  color:rgba(255,255,255,.045);line-height:1;
}

/* ---------- 产品矩阵 ---------- */
.filter-bar{display:flex;gap:10px;margin-bottom:34px;flex-wrap:wrap;}
.filter-btn{
  padding:9px 22px;border-radius:100px;font-size:13.5px;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted);
  transition:all .3s;font-family:inherit;
}
.filter-btn:hover{color:#fff;border-color:rgba(255,255,255,.22);}
.filter-btn.is-active{background:var(--grad);color:#04121A;border-color:transparent;font-weight:600;box-shadow:0 8px 24px -8px rgba(0,229,255,.5);}

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.product-card{
  padding:30px 26px;display:flex;flex-direction:column;
  transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s,border-color .4s;
  --accent:#00E5FF;--accent2:#A855F7;
}
.product-card::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:linear-gradient(140deg,var(--accent),transparent 42%,var(--accent2));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .4s;pointer-events:none;
}
.product-card:hover{transform:translateY(-9px);box-shadow:0 34px 70px -30px color-mix(in srgb,var(--accent) 55%,transparent);}
.product-card:hover::before{opacity:.85;}
.product-card--dev{opacity:.9;}
.product-card__top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:20px;}
/* --- 真实 App 图标 --- */
.app-icon{position:relative;width:58px;height:58px;flex:none;display:grid;place-items:center;}
.app-icon::before{
  content:"";position:absolute;inset:-10px;border-radius:24px;
  background:radial-gradient(circle,color-mix(in srgb,var(--accent) 34%,transparent),transparent 68%);
  opacity:.5;transition:opacity .45s,transform .45s;
}
.app-icon img{
  position:relative;width:56px;height:56px;border-radius:15px;display:block;
  box-shadow:0 12px 28px -10px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.1),
             0 0 24px -8px color-mix(in srgb,var(--accent) 60%,transparent);
  transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s;
}
.app-icon--svg{
  width:56px;height:56px;border-radius:15px;
  background:linear-gradient(145deg,#34D399,#22D3EE);
  box-shadow:0 12px 28px -10px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.12),
             0 0 24px -8px rgba(34,211,238,.55);
}
.app-icon--svg .ico{width:29px;height:29px;color:#04231B;stroke-width:2;}
.product-card:hover .app-icon::before{opacity:.85;transform:scale(1.12);}
.product-card:hover .app-icon img{transform:translateY(-4px) scale(1.07) rotate(-2deg);}
.badge{
  padding:5px 12px;border-radius:100px;font-size:11.5px;white-space:nowrap;
  background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.3);color:#34D399;
}
.badge--dev{background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.32);color:#FBBF24;}
.product-card__title{font-size:20px;margin-bottom:6px;}
.product-card__title span{font-size:12px;font-weight:500;color:var(--muted-2);letter-spacing:.08em;margin-left:6px;}
.product-card__tagline{
  font-size:13.5px;margin-bottom:14px;font-weight:600;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.product-card__desc{font-size:13.8px;color:var(--muted);margin-bottom:18px;}
.feature-list{display:grid;gap:9px;margin-bottom:24px;flex:1;}
.feature-list li{display:flex;align-items:flex-start;gap:9px;font-size:13.2px;color:var(--muted);line-height:1.55;}
.feature-list .ico{width:15px;height:15px;color:var(--accent);margin-top:4px;flex:none;stroke-width:2.2;}
.product-card--dev .feature-list .ico{color:#FBBF24;}
.product-card .btn{align-self:flex-start;}
.product-card.is-hidden{display:none;}

/* ---------- 未来展望 ---------- */
.vision-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:52px;}
.vision-card{
  padding:34px 28px;transition:transform .38s,box-shadow .38s;
  --accent:#00E5FF;--accent2:#A855F7;
}
.vision-card:hover{transform:translateY(-8px);box-shadow:0 30px 64px -28px color-mix(in srgb,var(--accent) 55%,transparent);}
.vision-card__icon{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(140deg,color-mix(in srgb,var(--accent) 20%,transparent),color-mix(in srgb,var(--accent2) 18%,transparent));
  border:1px solid color-mix(in srgb,var(--accent) 26%,transparent);
}
.vision-card__icon .ico{width:27px;height:27px;color:var(--accent);}
.vision-card h3{font-size:19px;margin-bottom:12px;}
.vision-card p{font-size:14.2px;color:var(--muted);margin:0;}

.roadmap{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.roadmap__item{
  display:flex;gap:20px;padding:30px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  border:1px solid var(--line);backdrop-filter:blur(14px);
}
.roadmap__badge{
  flex:none;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#04121A;background:var(--grad);
  box-shadow:0 8px 24px -8px rgba(0,229,255,.5);
}
.roadmap__body h3{font-size:17.5px;margin-bottom:14px;}
.roadmap__body ul{display:grid;gap:10px;}
.roadmap__body li{
  position:relative;padding-left:20px;font-size:13.6px;color:var(--muted);line-height:1.6;
}
.roadmap__body li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px var(--cyan);
}

/* ---------- CTA ---------- */
.cta{position:relative;z-index:1;padding:110px 0;text-align:center;}
.cta__inner{
  padding:64px 40px;border-radius:26px;
  background:
    linear-gradient(160deg,rgba(0,229,255,.09),rgba(168,85,247,.09)) padding-box,
    linear-gradient(140deg,rgba(0,229,255,.4),rgba(255,255,255,.04) 45%,rgba(168,85,247,.4)) border-box;
  border:1px solid transparent;backdrop-filter:blur(18px);
}
.cta h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px;}
.cta p{color:var(--muted);font-size:14.5px;margin-bottom:30px;}
.cta__buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* 联系方式：地址 / 邮箱 */
.cta__contact{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
  margin-top:38px;padding-top:32px;border-top:1px solid var(--line);
  text-align:left;
}
.contact-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:transform .32s cubic-bezier(.2,.8,.2,1),border-color .32s,background .32s;
}
.contact-item:hover{transform:translateY(-3px);border-color:rgba(0,229,255,.34);background:rgba(0,229,255,.055);}
.contact-item__icon{
  width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(0,229,255,.16),rgba(168,85,247,.16));
  border:1px solid rgba(255,255,255,.11);
}
.contact-item__icon .ico{width:19px;height:19px;color:var(--cyan);}
.contact-item__body{min-width:0;}
.contact-item__label{display:block;font-size:11.5px;letter-spacing:.16em;color:var(--cyan);margin-bottom:4px;}
.contact-item__value{display:block;font-style:normal;font-size:13.6px;line-height:1.7;color:var(--text);}
a.contact-item__value{word-break:break-word;transition:color .25s;}
a.contact-item__value:hover{color:var(--cyan);}

/* ---------- 页脚 ---------- */
.footer{position:relative;z-index:1;border-top:1px solid var(--line);background:rgba(4,8,18,.75);padding:64px 0 0;}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px;}
.footer__logo{font-size:18px;font-weight:800;letter-spacing:.14em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:14px;}
.footer__logo span{display:block;font-size:12px;font-weight:500;letter-spacing:.14em;color:var(--muted);-webkit-text-fill-color:var(--muted);margin-top:2px;}
.footer__brand p{font-size:13.5px;color:var(--muted-2);}
.footer__col h4{font-size:14px;margin-bottom:16px;color:#fff;}
.footer__col a,.footer__col span{display:block;font-size:13.4px;color:var(--muted-2);margin-bottom:10px;transition:color .25s;}
.footer__col a:hover{color:var(--cyan);}
.footer__bottom{border-top:1px solid var(--line);padding:22px 0;text-align:center;}
.footer__bottom span{font-size:12.2px;color:var(--muted-2);}

/* ---------- 进场动画 ----------
   仅在 html.js（脚本成功运行）时才先隐藏再淡入，
   避免脚本异常导致内容永久不可见 */
.reveal{opacity:1;transform:none;}
html.js .reveal{opacity:0;transform:translateY(32px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);}
html.js .reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero__inner{grid-template-columns:1fr;gap:40px;}
  .hero__visual{height:400px;order:-1;}
    .cap-grid{grid-template-columns:repeat(2,1fr);}
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .vision-grid{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;}
  .footer__inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .nav__menu{
    position:fixed;top:var(--nav-h);left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:4px;padding:16px;
    background:rgba(8,13,26,.96);border:1px solid var(--line);border-radius:18px;
    backdrop-filter:blur(20px);
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .3s,transform .3s,visibility .3s;
    box-shadow:0 24px 60px -20px rgba(0,0,0,.8);
  }
  .nav__menu.is-open{opacity:1;visibility:visible;transform:none;}
  .nav__link{padding:12px 14px;font-size:15px;}
  .nav__link.is-active::after{display:none;}
  .nav__toggle{display:inline-flex;}
  .nav__actions .btn--primary{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .roadmap{grid-template-columns:1fr;}
  .float-card--1{left:calc(-1 * var(--bleed,0px));}
  .float-card--2{right:calc(-1 * var(--bleed,0px));}
  .section{padding:88px 0;}
}
@media (max-width:640px){
  .cap-grid,.product-grid,.about-highlights,.footer__inner{grid-template-columns:1fr;}
  .hero{padding-top:calc(var(--nav-h) + 34px);}
  .hero__visual{height:340px;}
  .float-card{padding:9px 12px;}
  .float-card strong{font-size:12px;}
  .float-card span{font-size:10.5px;}
  .float-card--3{display:none;}
  .stats{grid-template-columns:1fr 1fr;}
  .section-head{margin-bottom:40px;}
  .cta__inner{padding:44px 22px;}
  .cta__contact{grid-template-columns:1fr;gap:12px;margin-top:30px;padding-top:26px;}
  .roadmap__item{flex-direction:column;gap:14px;}
}

/* ============================================================
   新增：质感层 / 手机模型 / 产品实拍 / 放大查看
   ============================================================ */

/* ---------- 噪点颗粒 ---------- */
.bg-noise{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.032;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 光标跟随光晕 ---------- */
.spotlight{
  position:fixed;top:0;left:0;width:620px;height:620px;z-index:2;pointer-events:none;
  transform:translate(-50%,-50%);opacity:0;transition:opacity .5s;
  background:radial-gradient(circle,rgba(0,229,255,.075),rgba(168,85,247,.045) 38%,transparent 68%);
  mix-blend-mode:screen;
}
.spotlight.is-on{opacity:1;}

/* ---------- 顶部滚动进度条 ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:101;background:transparent;}
.progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,#00E5FF,#7C9CFF 45%,#A855F7);
  box-shadow:0 0 12px rgba(0,229,255,.85);
  transition:width .1s linear;
}

/* ---------- 手机模型 ---------- */
.phone{--pw:210px;--glow:rgba(0,229,255,.45);width:var(--pw);flex:none;position:relative;}
.phone__frame{
  position:relative;width:100%;aspect-ratio:9/19.5;
  border-radius:calc(var(--pw)*.132);padding:calc(var(--pw)*.026);
  background:linear-gradient(155deg,#49546B 0%,#161C29 18%,#2B3346 48%,#0E131E 76%,#414C63 100%);
  box-shadow:0 0 0 1px rgba(255,255,255,.09),inset 0 0 0 1px rgba(255,255,255,.07),
             0 34px 64px -22px rgba(0,0,0,.9),0 0 60px -20px var(--glow);
}
.phone__screen{
  position:relative;width:100%;height:100%;overflow:hidden;background:#080C16;
  border-radius:calc(var(--pw)*.108);
}
.phone__img{
  /* 双缓冲两张图必须绝对定位叠加，否则会按文档流上下堆叠，
     第二张被挤出 overflow:hidden 区域 => 永远看不见 => 切换时黑屏 */
  position:absolute;inset:0;
  width:100%;height:100%;display:block;object-fit:cover;object-position:top center;
  opacity:0;transition:opacity .5s ease;
  will-change:opacity;
}
.phone__img.is-active{opacity:1;}
.phone__island{
  position:absolute;top:calc(var(--pw)*.052);left:50%;transform:translateX(-50%);z-index:4;
  width:calc(var(--pw)*.29);height:calc(var(--pw)*.078);border-radius:20px;background:#04060B;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.phone__glare{
  position:absolute;inset:0;z-index:3;pointer-events:none;border-radius:calc(var(--pw)*.108);
  background:linear-gradient(112deg,rgba(255,255,255,.17) 0%,rgba(255,255,255,.04) 24%,transparent 40%);
}
.phone__btn{
  position:absolute;right:calc(var(--pw)*-.019);width:2.5px;border-radius:3px;
  background:linear-gradient(#39445A,#1A2130);
}
.phone__btn--1{top:22%;height:9%;}
.phone__btn--2{top:35%;height:14%;}

/* ---------- 首屏实机舞台 ---------- */
.hero-stage{position:relative;display:grid;place-items:center;width:100%;height:100%;}
.hero-stage__ring{position:absolute;border-radius:50%;border:1px solid transparent;}
.hero-stage__ring--1{
  width:400px;height:400px;
  border-top-color:rgba(0,229,255,.6);border-right-color:rgba(0,229,255,.12);
  animation:spin 16s linear infinite;
}
.hero-stage__ring--2{
  width:470px;height:470px;
  border-bottom-color:rgba(168,85,247,.55);border-left-color:rgba(168,85,247,.12);
  animation:spin 26s linear infinite reverse;
}
.hero-stage__grid{
  position:absolute;width:520px;height:520px;border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%,rgba(0,229,255,.14),transparent 62%),
    repeating-conic-gradient(from 0deg,rgba(255,255,255,.045) 0deg 1deg,transparent 1deg 12deg);
  mask-image:radial-gradient(circle,#000 40%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle,#000 40%,transparent 72%);
  animation:spin 60s linear infinite;
}
.hero-stage .phone{
  --pw:238px;--glow:rgba(0,229,255,.6);
  z-index:3;
  transform:perspective(900px) translateY(var(--ty,0px)) rotate(var(--rot,0deg))
            rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));
  transition:transform .3s cubic-bezier(.2,.8,.2,1);
  will-change:transform;
}
.hero-stage__label{
  position:absolute;bottom:4px;left:50%;transform:translateX(-50%);z-index:4;
  display:flex;align-items:center;gap:11px;padding:10px 18px 10px 11px;border-radius:100px;
  background:rgba(9,15,29,.86);border:1px solid var(--line);
  backdrop-filter:blur(14px);box-shadow:0 16px 40px -14px rgba(0,0,0,.85);
  white-space:nowrap;
}
.hero-stage__label img{width:34px;height:34px;border-radius:9px;display:block;transition:opacity .3s;}
.hero-stage__label #heroIconSvg{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(145deg,#34D399,#22D3EE);transition:opacity .3s;
}
.hero-stage__label #heroIconSvg .ico{width:19px;height:19px;color:#04231B;stroke-width:2.1;}
.is-hidden{display:none !important;}
.hero-stage__label strong{display:block;font-size:13.5px;line-height:1.3;}
.hero-stage__label span{display:block;font-size:11px;color:var(--muted-2);}
.hero-stage__label strong,.hero-stage__label span{transition:opacity .3s;}

/* 浮动卡片图标 */
.float-card img{width:30px;height:30px;border-radius:8px;display:block;flex:none;}

/* ---------- 产品实拍 ---------- */
.showcase{
  display:grid;grid-template-columns:262px 1fr;gap:34px;align-items:start;
}
.showcase__tabs{display:grid;gap:9px;}
.show-tab{
  display:flex;align-items:center;gap:12px;padding:11px 14px;
  border-radius:14px;cursor:pointer;text-align:left;font-family:inherit;
  background:rgba(255,255,255,.032);border:1px solid var(--line);color:var(--muted);
  transition:all .32s cubic-bezier(.2,.8,.2,1);position:relative;overflow:hidden;
}
.show-tab::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  transform:scaleY(0);transition:transform .32s;transform-origin:center;
}
.show-tab:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:var(--text);}
.show-tab.is-active{
  background:linear-gradient(100deg,rgba(0,229,255,.13),rgba(168,85,247,.09));
  border-color:rgba(0,229,255,.32);color:#fff;
  box-shadow:0 10px 30px -14px rgba(0,229,255,.5);
}
.show-tab.is-active::before{transform:scaleY(1);}
.show-tab img{width:40px;height:40px;border-radius:11px;display:block;flex:none;
  box-shadow:0 6px 16px -6px rgba(0,0,0,.8);transition:transform .32s;}
.show-tab.is-active img{transform:scale(1.06);}
.show-tab__svg{
  width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;
  background:linear-gradient(145deg,#34D399,#22D3EE);
}
.show-tab__svg .ico{width:21px;height:21px;color:#04231B;stroke-width:2;}
.show-tab strong{display:block;font-size:14px;line-height:1.35;color:inherit;}
.show-tab em{display:block;font-style:normal;font-size:11.5px;color:var(--muted-2);line-height:1.4;}

.showcase__stage{
  position:relative;min-height:560px;border-radius:26px;overflow:hidden;
  background:
    radial-gradient(ellipse 70% 55% at 50% 42%,rgba(0,229,255,.09),transparent 70%),
    linear-gradient(160deg,rgba(255,255,255,.035),rgba(255,255,255,.008));
  border:1px solid var(--line);
  display:grid;place-items:center;padding:46px 30px 76px;
}
.showcase__aura{
  position:absolute;width:520px;height:520px;border-radius:50%;filter:blur(90px);
  opacity:.42;transition:background .8s ease;
  background:radial-gradient(circle,rgba(0,229,255,.5),transparent 68%);
}
.phone-rail{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:center;
  gap:24px;perspective:1500px;width:100%;
}
.phone-rail .phone{
  --pw:196px;
  transform:translateY(var(--ty,0px)) rotate(var(--rot,0deg)) scale(var(--sc,1));
  transition:transform .55s cubic-bezier(.2,.8,.2,1),box-shadow .4s;
  opacity:0;animation:phoneIn .6s cubic-bezier(.2,.8,.2,1) forwards;
  animation-delay:var(--d,0ms);
}
@keyframes phoneIn{from{opacity:0;transform:translateY(38px) scale(.9);}to{opacity:1;transform:translateY(var(--ty,0px)) rotate(var(--rot,0deg)) scale(var(--sc,1));}}
.phone-rail .phone:hover{
  transform:translateY(calc(var(--ty,0px) - 16px)) rotate(0deg) scale(calc(var(--sc,1) * 1.06)) !important;
  z-index:9;cursor:zoom-in;
}
.phone-rail .phone:hover .phone__frame{box-shadow:0 0 0 1px rgba(255,255,255,.2),0 44px 80px -24px rgba(0,0,0,.95),0 0 70px -16px var(--glow);}
.showcase__meta{
  position:absolute;bottom:22px;left:0;right:0;z-index:5;
  display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--muted-2);
}
.showcase__count{padding:5px 14px;border-radius:100px;background:rgba(255,255,255,.05);border:1px solid var(--line);}
.showcase__hint{display:inline-flex;align-items:center;gap:7px;}
.showcase__hint .ico{width:14px;height:14px;color:var(--cyan);}

/* ---------- 图片放大查看 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;display:none;
  align-items:center;justify-content:center;padding:56px 84px;
  background:rgba(3,6,14,.94);backdrop-filter:blur(14px);
}
.lightbox.is-open{display:flex;animation:lbFade .32s ease;}
@keyframes lbFade{from{opacity:0;}to{opacity:1;}}
.lightbox__figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:16px;max-height:100%;}
.lightbox__figure img{
  max-height:78vh;max-width:100%;border-radius:18px;
  box-shadow:0 40px 100px -30px rgba(0,0,0,.95),0 0 0 1px rgba(255,255,255,.1);
  animation:lbPop .38s cubic-bezier(.2,.8,.2,1);
}
@keyframes lbPop{from{opacity:0;transform:scale(.94);}to{opacity:1;transform:none;}}
.lightbox__figure figcaption{
  display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);
}
.lightbox__figure figcaption em{font-style:normal;color:var(--cyan);font-variant-numeric:tabular-nums;}
.lightbox__close,.lightbox__nav{
  position:absolute;display:grid;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:#fff;
  border-radius:50%;transition:all .28s;
}
.lightbox__close:hover,.lightbox__nav:hover{background:rgba(0,229,255,.16);border-color:rgba(0,229,255,.45);transform:scale(1.08);}
.lightbox__close{top:26px;right:28px;width:46px;height:46px;}
.lightbox__close .ico{width:21px;height:21px;}
.lightbox__nav{top:50%;transform:translateY(-50%);width:52px;height:52px;}
.lightbox__nav:hover{transform:translateY(-50%) scale(1.08);}
.lightbox__nav .ico{width:23px;height:23px;}
.lightbox__nav--prev{left:24px;}
.lightbox__nav--next{right:24px;}

/* ---------- 响应式补充 ---------- */
@media (max-width:1080px){
  .showcase{grid-template-columns:1fr;}
  .showcase__tabs{grid-template-columns:repeat(3,1fr);display:grid;}
  .showcase__stage{min-height:520px;}
  .phone-rail .phone{--pw:172px;}
  .hero-stage .phone{--pw:216px;}
  .hero-stage__ring--1{width:330px;height:330px;}
  .hero-stage__ring--2{width:390px;height:390px;}
  .hero-stage__grid{width:440px;height:440px;}
}
@media (max-width:860px){
  .showcase__tabs{grid-template-columns:repeat(2,1fr);}
  .phone-rail{gap:16px;}
  .phone-rail .phone{--pw:150px;}
  .showcase__stage{min-height:460px;padding:34px 16px 72px;}
}
@media (max-width:640px){
  .showcase__tabs{grid-template-columns:1fr 1fr;gap:8px;}
  .show-tab{padding:9px 10px;gap:9px;}
  .show-tab img,.show-tab__svg{width:34px;height:34px;}
  .show-tab strong{font-size:12.5px;}
  .show-tab em{font-size:10.5px;}
  .phone-rail{gap:12px;overflow-x:auto;justify-content:flex-start;padding:8px 4px;scroll-snap-type:x mandatory;}
  .phone-rail .phone{--pw:140px;scroll-snap-align:center;}
  .hero-stage .phone{--pw:186px;}
  .hero-stage__ring--1{width:270px;height:270px;}
  .hero-stage__ring--2{width:320px;height:320px;}
  .hero-stage__grid{width:360px;height:360px;}
  .spotlight{display:none;}
  .lightbox{padding:64px 14px;}
  .lightbox__nav{width:42px;height:42px;}
  .lightbox__nav--prev{left:6px;}
  .lightbox__nav--next{right:6px;}
  .lightbox__figure img{max-height:66vh;}
}

/* ============================================================
   语言切换 + 英文版排版适配
   ============================================================ */
.lang-switch{
  display:inline-flex;align-items:center;gap:2px;padding:3px;
  border-radius:100px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);backdrop-filter:blur(10px);
}
.lang-btn{
  padding:6px 14px;border-radius:100px;border:0;cursor:pointer;
  background:transparent;color:var(--muted);font-family:inherit;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;line-height:1.4;
  transition:color .25s,background .25s;
}
.lang-btn:hover{color:#fff;}
.lang-btn.is-active{
  color:#04121A;background:var(--grad);
  box-shadow:0 4px 14px -4px rgba(0,229,255,.6);
}

/* 英文版：单词长、空格多，适当收紧字号与字距，防止溢出 */
/* 英文版：文案替换完成前先隐藏，避免中文一闪而过（3 秒兜底已内置在 head 脚本） */
html.i18n-pending [data-i18n],
html.i18n-pending [data-i18n-t]{visibility:hidden;}
html.i18n-pending .hero__title,
html.i18n-pending .section-title{opacity:0;}

html[data-lang="en"] body{word-spacing:.02em;}
html[data-lang="en"] .nav__link{font-size:13.5px;padding:9px 12px;}
html[data-lang="en"] .hero__title{font-size:clamp(34px,4.6vw,60px);}
html[data-lang="en"] .hero__subtitle{font-size:clamp(15px,1.7vw,19px);}
html[data-lang="en"] .section-title{font-size:clamp(24px,3.1vw,38px);}
html[data-lang="en"] .btn{font-size:13.5px;padding:12px 22px;}
html[data-lang="en"] .btn--sm{font-size:12.5px;padding:9px 15px;}
html[data-lang="en"] .stat__label{font-size:11.5px;}
html[data-lang="en"] .mini-card__text{font-size:12.5px;}
html[data-lang="en"] .product-card__desc{font-size:13.2px;}
html[data-lang="en"] .feature-list li{font-size:12.6px;}
html[data-lang="en"] .footer__col a,
html[data-lang="en"] .footer__col span{font-size:12.6px;}
html[data-lang="en"] .hero__badge{font-size:11.5px;padding:7px 14px;}

@media (max-width:860px){
  .lang-switch{margin-right:2px;}
  .lang-btn{padding:6px 11px;font-size:12px;}
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
  html.js .reveal{opacity:1 !important;transform:none !important;}
}