/* ============================================================
   睿茵博® Ruiyobo — 企业品牌官网 全站样式
   主色调取自企业 VI 六色体系：睿智紫 / 活力黄 / 热情红 / 环保绿 / 天空蓝 / 活力橙
   结构：1.变量 2.基础 3.通用组件 4.页头页脚 5.首页 6.关于 7.产品 8.联系 9.动效 10.响应式
   ============================================================ */

/* ===================== 1. 设计变量 ===================== */
:root{
  /* 品牌六色（VI 标准色） */
  --c-purple:#8B3FA8;      /* 睿智紫 · 主品牌色 */
  --c-purple-deep:#5E2A75;
  --c-purple-soft:#F3E9F8;
  --c-yellow:#FFD400;      /* 活力黄 */
  --c-red:#E60012;         /* 热情红 */
  --c-green:#00A651;       /* 环保绿 */
  --c-blue:#00AEEF;        /* 天空蓝 */
  --c-orange:#F7941D;      /* 活力橙 */

  /* 派生用色 */
  --c-pink:#FF3CAC;
  --c-orange-bright:#FF7A1A;

  /* 中性色 */
  --ink:#1A1A2E;
  --ink-2:#3D3D57;
  --muted:#6B6B85;
  --line:#E8E5F0;
  --bg:#FFFFFF;
  --bg-soft:#FAF9FD;
  --bg-tint:#F5F1FA;

  /* 渐变 */
  --grad-brand:linear-gradient(135deg,#8B3FA8 0%,#FF3CAC 55%,#FF7A1A 100%);
  --grad-purple:linear-gradient(135deg,#5E2A75 0%,#8B3FA8 100%);
  --grad-sun:linear-gradient(135deg,#FFD400 0%,#F7941D 100%);
  --grad-mint:linear-gradient(135deg,#00A651 0%,#00AEEF 100%);
  --grad-soft:linear-gradient(180deg,#F7F3FC 0%,#FFFFFF 100%);

  /* 圆角与阴影 */
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-sm:0 2px 10px rgba(94,42,117,.06);
  --sh-md:0 10px 30px rgba(94,42,117,.10);
  --sh-lg:0 20px 60px rgba(94,42,117,.16);
  --sh-color:0 14px 40px rgba(139,63,168,.25);

  /* 版心 */
  --maxw:1200px;
  --gutter:24px;

  /* 字体 */
  --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --ff-en:"Poppins","Segoe UI","Helvetica Neue",Arial,sans-serif;

  --header-h:74px;
}

/* ===================== 2. 基础 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:3px solid var(--c-yellow);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);}
.en{font-family:var(--ff-en);letter-spacing:.02em;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ===================== 3. 通用组件 ===================== */
.section{padding:84px 0;position:relative;}
.section--soft{background:var(--bg-soft);}
.section--tint{background:var(--grad-soft);}

.sec-head{max-width:760px;margin:0 auto 48px;text-align:center;}
.sec-head--left{margin-left:0;text-align:left;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-en);font-size:12px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--c-purple);
  background:var(--c-purple-soft);border-radius:var(--r-pill);
  padding:7px 16px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-orange-bright);}
.sec-title{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px;}
.sec-title em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.sec-sub{color:var(--muted);font-size:16px;margin:0;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);border:0;cursor:pointer;
  font-size:15.5px;font-weight:700;line-height:1;transition:.25s cubic-bezier(.4,0,.2,1);
  white-space:nowrap;
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-color);}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 20px 46px rgba(139,63,168,.36);}
.btn--yellow{background:var(--c-yellow);color:var(--ink);box-shadow:0 12px 30px rgba(255,212,0,.4);}
.btn--yellow:hover{transform:translateY(-3px);}
.btn--ghost{background:#fff;color:var(--c-purple);border:2px solid var(--c-purple-soft);}
.btn--ghost:hover{border-color:var(--c-purple);background:var(--c-purple-soft);}
.btn--white{background:#fff;color:var(--c-purple);box-shadow:var(--sh-md);}
.btn--white:hover{transform:translateY(-3px);}
.btn--lg{padding:17px 38px;font-size:16.5px;}
.btn--block{width:100%;}

/* 卡片 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;transition:.3s cubic-bezier(.4,0,.2,1);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:transparent;}

/* 网格 */
.grid{display:grid;gap:24px;}
.grid--2{grid-template-columns:repeat(2,1fr);}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--4{grid-template-columns:repeat(4,1fr);}

/* 波浪分隔 */
.wave{display:block;width:100%;height:auto;line-height:0;}

/* 标签片 */
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:var(--c-purple-soft);color:var(--c-purple);
}
.chip--green{background:rgba(230,247,239,.14);color:#7DE3AE;border:1px solid rgba(125,227,174,.4);}
.chip--blue{background:#E5F6FE;color:#0079A8;}
.chip--orange{background:#FFF1E3;color:#C96A00;}
.chip--red{background:#FDE7E9;color:var(--c-red);}

/* ===================== 4. 页头 / 页脚 ===================== */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:.3s;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(94,42,117,.08);border-bottom-color:var(--line);}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand img{height:52px;width:auto;}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-cn{font-size:19px;font-weight:900;letter-spacing:.04em;}
.brand-en{font-family:var(--ff-en);font-size:9.5px;font-weight:600;letter-spacing:.22em;color:var(--muted);}
.brand sup{font-size:.5em;color:var(--c-purple);}

.nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.nav a{
  position:relative;padding:10px 16px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;color:var(--ink-2);transition:.22s;
}
.nav a:hover{color:var(--c-purple);background:var(--c-purple-soft);}
.nav a.is-active{color:var(--c-purple);}
.nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:2px;background:var(--grad-brand);
}
.header-cta{display:flex;align-items:center;gap:12px;}
.header-tel{
  display:flex;align-items:center;gap:7px;font-weight:800;font-size:15px;
  color:var(--c-purple);white-space:nowrap;
}
.header-tel svg{width:16px;height:16px;}

.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:var(--c-purple-soft);
  border-radius:12px;cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;width:20px;height:2.5px;border-radius:2px;background:var(--c-purple);
  transition:.3s;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.site-footer{background:#211331;color:#C9BFD6;margin-top:0;padding:0;}
.footer-wave{display:block;width:100%;height:auto;margin-bottom:-1px;}
.footer-main{padding:64px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand img{height:72px;width:auto;margin-bottom:16px;}
.footer-brand .chip{background:none;border:none;padding:2px 0;font-size:17px;font-weight:800;letter-spacing:.04em;color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#A99BB8;margin-bottom:16px;}
.footer-title{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:18px;letter-spacing:.02em;}
.footer-list li{margin-bottom:11px;font-size:14.5px;}
.footer-list a{color:#A99BB8;transition:.2s;}
.footer-list a:hover{color:var(--c-yellow);}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:14px;line-height:1.7;}
.footer-contact b{color:#E7DEF0;font-weight:600;}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;color:var(--c-orange-bright);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13.5px;color:#8C7F9C;
}
.footer-bottom a:hover{color:var(--c-yellow);}

/* ===================== 5. 首页 ===================== */
/* 首屏 */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#F7F1FC 0%,#FDF7F4 46%,#F1F7FD 100%);
  padding:72px 0 0;
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none;
}
.hero::before{width:520px;height:520px;background:#FFD400;top:-160px;left:-120px;}
.hero::after{width:460px;height:460px;background:#FF3CAC;bottom:-120px;right:-100px;opacity:.32;}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding-bottom:76px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;background:#fff;border-radius:var(--r-pill);
  padding:8px 18px;font-size:13.5px;font-weight:700;color:var(--c-purple);
  box-shadow:var(--sh-sm);margin-bottom:24px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--c-green);}
.hero h1{
  font-size:clamp(34px,5.2vw,60px);line-height:1.14;margin-bottom:22px;letter-spacing:-.02em;
}
.hero h1 .grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero h1 .mark{position:relative;white-space:nowrap;}
.hero h1 .mark::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:14px;border-radius:7px;
  background:rgba(255,212,0,.55);z-index:-1;
}
.hero-lead{font-size:17.5px;line-height:1.85;color:var(--ink-2);max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;}
.hero-stat b{display:block;font-size:30px;font-weight:900;background:var(--grad-purple);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1;}
.hero-stat span{font-size:13.5px;color:var(--muted);font-weight:600;}

.hero-visual{position:relative;}
.hero-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-lg);border:8px solid #fff;background:#fff;
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-float{
  position:absolute;background:#fff;border-radius:var(--r-md);padding:14px 18px;
  box-shadow:var(--sh-md);display:flex;align-items:center;gap:12px;
}
.hero-float b{display:block;font-size:15px;font-weight:800;}
.hero-float span{font-size:12.5px;color:var(--muted);}
.hero-float--a{left:-22px;top:34px;animation:floaty 4.4s ease-in-out infinite;}
.hero-float--b{right:-16px;bottom:56px;animation:floaty 4.4s ease-in-out infinite .8s;}
.hero-float--c{left:24px;bottom:-18px;animation:floaty 4.4s ease-in-out infinite 1.6s;}
.hero-float .ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  font-size:19px;background:var(--c-purple-soft);
}
.hero-float--b .ico{background:#E6F7EF;}
.hero-float--c .ico{background:#FFF6DC;}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* 品类栅格（首页核心服务） */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.cat-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:#fff;
  border:1px solid var(--line);transition:.32s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;
}
.cat-card:hover{transform:translateY(-8px);box-shadow:var(--sh-md);border-color:transparent;}
.cat-card__media{position:relative;aspect-ratio:16/11;overflow:hidden;}
.cat-card__media img{width:100%;height:100%;object-fit:cover;transition:.55s;}
.cat-card:hover .cat-card__media img{transform:scale(1.07);}
.cat-card__no{
  position:absolute;left:14px;top:14px;width:36px;height:36px;border-radius:12px;
  background:rgba(255,255,255,.94);display:grid;place-items:center;
  font-family:var(--ff-en);font-weight:800;font-size:14px;color:var(--c-purple);
}
.cat-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.cat-card__body h3{font-size:18.5px;margin-bottom:4px;}
.cat-card__body .en{font-size:11px;letter-spacing:.14em;color:var(--c-purple);font-weight:700;margin-bottom:10px;}
.cat-card__body p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 14px;flex:1;}
.cat-card__meta{display:flex;justify-content:space-between;align-items:center;font-size:13.5px;font-weight:700;color:var(--c-orange-bright);}
.cat-card__meta .arrow{transition:.3s;}
.cat-card:hover .cat-card__meta .arrow{transform:translateX(6px);}

/* 卖点 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;transition:.3s;}
.feat:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:transparent;}
.feat__ico{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  font-size:26px;margin-bottom:18px;
}
.feat:nth-child(1) .feat__ico{background:#FFF6DC;}
.feat:nth-child(2) .feat__ico{background:#E6F7EF;}
.feat:nth-child(3) .feat__ico{background:#E5F6FE;}
.feat:nth-child(4) .feat__ico{background:var(--c-purple-soft);}
.feat:nth-child(5) .feat__ico{background:#FDE7E9;}
.feat:nth-child(6) .feat__ico{background:#FFF1E3;}
.feat h3{font-size:18px;margin-bottom:10px;}
.feat p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}

/* 数据带 */
.stats-band{
  background:var(--grad-purple);border-radius:var(--r-xl);padding:52px 40px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative;overflow:hidden;
}
.stats-band::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:rgba(255,60,172,.35);filter:blur(80px);right:-120px;top:-160px;
}
.stats-band .stat{position:relative;z-index:2;text-align:center;}
.stats-band .stat b{display:block;font-size:38px;font-weight:900;line-height:1.1;font-family:var(--ff-en);}
.stats-band .stat b i{font-style:normal;font-size:20px;}
.stats-band .stat span{font-size:14px;color:rgba(255,255,255,.82);font-weight:600;}

/* IP 双形象 */
.ip-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.ip-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.ip-card{
  background:#fff;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  transition:.3s;
}
.ip-card:hover{transform:translateY(-6px);box-shadow:var(--sh-md);}
.ip-card img{width:100%;aspect-ratio:1/1;object-fit:cover;background:#F7F5FB;}
.ip-card__body{padding:18px 20px 22px;}
.ip-card__body h3{font-size:17.5px;margin-bottom:4px;}
.ip-card__body .en{font-size:11px;letter-spacing:.14em;color:var(--c-purple);font-weight:700;margin-bottom:8px;}
.ip-card__body p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:0;}
.ip-list li{display:flex;gap:12px;margin-bottom:16px;font-size:15px;color:var(--ink-2);line-height:1.7;}
.ip-list .tick{
  width:22px;height:22px;border-radius:50%;background:var(--c-green);color:#fff;
  display:grid;place-items:center;font-size:12px;flex-shrink:0;margin-top:3px;
}

/* 渠道矩阵 */
.channel-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.channel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 16px;text-align:center;transition:.3s;
}
.channel:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:var(--c-purple-soft);}
.channel .ico{
  width:46px;height:46px;margin:0 auto 12px;border-radius:14px;display:grid;place-items:center;
  font-size:21px;font-weight:900;color:#fff;font-family:var(--ff-en);
}
.channel b{display:block;font-size:15px;font-weight:800;margin-bottom:4px;}
.channel span{font-size:12.5px;color:var(--muted);line-height:1.6;display:block;}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:22px;}
.scene{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 20px;transition:.3s;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-sm);}
.scene .ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:20px;flex-shrink:0;background:var(--c-purple-soft);}
.scene b{font-size:15px;display:block;}
.scene span{font-size:12.5px;color:var(--muted);}

/* CTA 带 */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-xl);padding:60px 48px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  background:rgba(255,212,0,.35);filter:blur(70px);left:-80px;bottom:-160px;
}
.cta-band__txt{position:relative;z-index:2;max-width:640px;}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px;color:#fff;}
.cta-band p{margin:0;color:rgba(255,255,255,.88);font-size:16px;}
.cta-band__act{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ===================== 6. 关于页 ===================== */
.page-hero{
  background:linear-gradient(150deg,#F7F1FC 0%,#FDF7F4 60%,#F1F7FD 100%);
  padding:64px 0 56px;position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:#FF3CAC;filter:blur(80px);opacity:.22;right:-120px;top:-160px;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{font-size:13.5px;color:var(--muted);margin-bottom:16px;font-weight:600;}
.breadcrumb a:hover{color:var(--c-purple);}
.page-hero h1{font-size:clamp(28px,4vw,46px);margin-bottom:16px;}
.page-hero p{max-width:720px;color:var(--ink-2);font-size:17px;margin:0;line-height:1.85;}

.about-split{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;}
.about-split p{color:var(--ink-2);line-height:1.95;font-size:15.5px;}
.about-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);border:6px solid #fff;}
.about-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.info-table{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;}
.info-table tr{border-bottom:1px solid var(--line);}
.info-table tr:last-child{border-bottom:0;}
.info-table th{
  text-align:left;font-size:14px;font-weight:700;color:var(--muted);
  padding:16px 22px;width:150px;background:var(--bg-soft);vertical-align:top;
}
.info-table td{padding:16px 22px;font-size:14.5px;color:var(--ink);line-height:1.7;}

/* 时间轴 */
.timeline{position:relative;padding-left:40px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-purple),var(--c-pink),var(--c-orange));
}
.tl-item{position:relative;padding-bottom:38px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-40px;top:6px;width:25px;height:25px;border-radius:50%;
  background:#fff;border:4px solid var(--c-purple);box-shadow:0 0 0 5px var(--c-purple-soft);
}
.tl-item:nth-child(2)::before{border-color:var(--c-pink);box-shadow:0 0 0 5px #FDE7F3;}
.tl-item:nth-child(3)::before{border-color:var(--c-blue);box-shadow:0 0 0 5px #E5F6FE;}
.tl-item:nth-child(4)::before{border-color:var(--c-green);box-shadow:0 0 0 5px #E6F7EF;}
.tl-item:nth-child(5)::before{border-color:var(--c-orange);box-shadow:0 0 0 5px #FFF1E3;}
.tl-date{font-family:var(--ff-en);font-size:13.5px;font-weight:800;color:var(--c-purple);letter-spacing:.06em;margin-bottom:6px;}
.tl-item h3{font-size:18px;margin-bottom:8px;}
.tl-item p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}

/* 资质 */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.cert{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 22px;
  text-align:center;transition:.3s;
}
.cert:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:transparent;}
.cert .badge{
  width:66px;height:66px;margin:0 auto 16px;border-radius:20px;display:grid;place-items:center;
  font-family:var(--ff-en);font-weight:900;font-size:13px;color:#fff;line-height:1.15;text-align:center;
}
.cert h3{font-size:16.5px;margin-bottom:8px;}
.cert p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:0;}
.licence{
  display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;margin-top:28px;
}
.licence__l{padding:36px 40px;}
.licence__l h3{font-size:21px;margin-bottom:14px;}
.licence__l p{font-size:14.5px;color:var(--ink-2);line-height:1.9;margin:0;}
.licence__r{background:var(--grad-purple);color:#fff;padding:36px 40px;display:flex;flex-direction:column;justify-content:center;}
.licence__r dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:14px 20px;}
.licence__r dt{color:rgba(255,255,255,.7);font-size:14px;font-weight:600;}
.licence__r dd{margin:0;font-size:15px;font-weight:700;letter-spacing:.02em;}

/* 企业文化 */
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.culture{
  border-radius:var(--r-lg);padding:34px 30px;color:#fff;position:relative;overflow:hidden;min-height:200px;
}
.culture:nth-child(1){background:var(--grad-purple);}
.culture:nth-child(2){background:var(--grad-mint);}
.culture:nth-child(3){background:var(--grad-sun);color:var(--ink);}
.culture h3{font-size:20px;margin-bottom:14px;}
.culture p{margin:0;font-size:15px;line-height:1.85;opacity:.94;}
.culture .num{
  position:absolute;right:22px;top:14px;font-family:var(--ff-en);font-size:56px;font-weight:900;opacity:.18;
}

/* ===================== 7. 产品页 ===================== */
.filter-bar{
  position:sticky;top:var(--header-h);z-index:60;background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:18px 0;
}
.filter-inner{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.filter-chips{display:flex;flex-wrap:wrap;gap:9px;flex:1;}
.fchip{
  border:1.5px solid var(--line);background:#fff;border-radius:var(--r-pill);
  padding:9px 18px;font-size:14px;font-weight:700;cursor:pointer;transition:.22s;color:var(--ink-2);
}
.fchip:hover{border-color:var(--c-purple);color:var(--c-purple);}
.fchip.is-active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(139,63,168,.28);}
.fchip .n{opacity:.65;font-size:12px;margin-left:4px;}
.search-box{position:relative;flex-shrink:0;}
.search-box input{
  width:240px;padding:11px 16px 11px 42px;border:1.5px solid var(--line);border-radius:var(--r-pill);
  font-size:14.5px;background:#fff;transition:.22s;
}
.search-box input:focus{outline:none;border-color:var(--c-purple);box-shadow:0 0 0 4px var(--c-purple-soft);}
.search-box svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted);}

.plist-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;}
.plist-head .cnt{font-size:15px;color:var(--muted);}
.plist-head .cnt b{color:var(--c-purple);font-size:19px;font-weight:900;font-family:var(--ff-en);}

.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:.3s cubic-bezier(.4,0,.2,1);
}
.pcard:hover{transform:translateY(-7px);box-shadow:var(--sh-md);border-color:transparent;}
.pcard__img{background:#FAFAFC;position:relative;aspect-ratio:1/1;overflow:hidden;}
.pcard__img img{width:100%;height:100%;object-fit:contain;padding:14px;transition:.4s;}
.pcard:hover .pcard__img img{transform:scale(1.05);}
.pcard__tag{
  position:absolute;left:12px;top:12px;font-size:11px;font-weight:800;padding:4px 10px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.95);color:var(--c-purple);letter-spacing:.04em;
}
.pcard__body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1;}
.pcard__code{font-family:var(--ff-en);font-size:11.5px;font-weight:700;color:var(--c-purple);letter-spacing:.06em;margin-bottom:6px;}
.pcard__name{font-size:15.5px;font-weight:800;line-height:1.4;margin-bottom:10px;}
.pcard__params{display:flex;flex-direction:column;gap:5px;margin-bottom:12px;}
.pcard__params .row{display:flex;gap:8px;font-size:12.5px;color:var(--muted);line-height:1.55;}
.pcard__params .row b{color:var(--ink-2);font-weight:600;flex-shrink:0;min-width:36px;}
.pcard__usp{
  font-size:12.5px;line-height:1.65;color:var(--ink-2);background:var(--bg-soft);
  border-radius:var(--r-sm);padding:10px 12px;margin-bottom:14px;flex:1;
}
.pcard__foot{display:flex;align-items:baseline;justify-content:space-between;gap:8px;border-top:1px dashed var(--line);padding-top:12px;}
.pcard__price{font-size:21px;font-weight:900;color:var(--c-orange-bright);font-family:var(--ff-en);}
.pcard__price small{font-size:12px;font-weight:600;color:var(--muted);font-family:var(--ff);margin-left:2px;}
.pcard__price em{font-style:normal;font-size:13px;color:var(--c-orange-bright);}
.pcard__ask{font-size:12.5px;font-weight:700;color:var(--c-purple);white-space:nowrap;}

.notice{
  display:flex;gap:14px;background:#FFF9E6;border:1px solid #FFE9A8;border-radius:var(--r-md);
  padding:18px 22px;font-size:14px;color:#8A6A00;line-height:1.75;
}
.notice svg{width:20px;height:20px;flex-shrink:0;margin-top:3px;color:var(--c-orange);}
.empty{text-align:center;padding:80px 0;color:var(--muted);font-size:16px;display:none;}

/* ===================== 8. 联系页 ===================== */
.contact-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:40px;box-shadow:var(--sh-sm);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--ink-2);}
.field label .req{color:var(--c-red);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:var(--r-md);
  font-size:15px;background:#fff;transition:.22s;
}
.field textarea{min-height:130px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-purple);box-shadow:0 0 0 4px var(--c-purple-soft);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-red);background:#FFF7F8;}
.field .err{display:none;font-size:12.5px;color:var(--c-red);margin-top:6px;font-weight:600;}
.field.has-error .err{display:block;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:22px;}
.consent input{width:18px;height:18px;flex-shrink:0;margin-top:3px;accent-color:var(--c-purple);}
.form-ok{
  display:none;background:#E6F7EF;border:1px solid #B7E7CF;border-radius:var(--r-md);
  padding:18px 22px;color:#0B7A46;font-size:14.5px;font-weight:600;margin-bottom:20px;line-height:1.7;
}
.form-ok.is-show{display:block;animation:pop .4s;}
@keyframes pop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

.contact-side{display:flex;flex-direction:column;gap:18px;}
.cbox{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;transition:.3s;
}
.cbox:hover{transform:translateY(-4px);box-shadow:var(--sh-sm);}
.cbox .ico{
  width:50px;height:50px;border-radius:16px;display:grid;place-items:center;flex-shrink:0;
  background:var(--c-purple-soft);font-size:22px;
}
.cbox h3{font-size:16px;margin-bottom:6px;}
.cbox p,.cbox a{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0;word-break:break-all;}
.cbox a:hover{color:var(--c-purple);}
.cbox .big{font-size:19px;font-weight:900;color:var(--c-purple);font-family:var(--ff-en);letter-spacing:.02em;}
.map-card{
  background:var(--grad-purple);border-radius:var(--r-lg);padding:30px;color:#fff;position:relative;overflow:hidden;
}
.map-card::after{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;
  background:rgba(255,212,0,.28);filter:blur(60px);right:-90px;bottom:-120px;
}
.map-card h3{font-size:17px;margin-bottom:12px;position:relative;}
.map-card p{font-size:14.5px;color:rgba(255,255,255,.85);line-height:1.85;margin:0;position:relative;}
.hours{display:flex;justify-content:space-between;font-size:14px;padding:10px 0;border-bottom:1px dashed var(--line);}
.hours:last-child{border-bottom:0;}
.hours b{color:var(--c-purple);}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;background:#fff;overflow:hidden;}
.faq-q{
  width:100%;text-align:left;background:none;border:0;padding:20px 24px;cursor:pointer;
  font-size:15.5px;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-q .pm{width:26px;height:26px;border-radius:50%;background:var(--c-purple-soft);color:var(--c-purple);
  display:grid;place-items:center;font-size:17px;flex-shrink:0;transition:.3s;font-weight:800;}
.faq-item.is-open .faq-q .pm{transform:rotate(45deg);background:var(--c-purple);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 22px;margin:0;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ===================== 9. 动效 ===================== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1);}
.reveal.is-in{opacity:1;transform:none;}
.reveal[data-d="1"]{transition-delay:.08s;}
.reveal[data-d="2"]{transition-delay:.16s;}
.reveal[data-d="3"]{transition-delay:.24s;}
.reveal[data-d="4"]{transition-delay:.32s;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .hero-float{animation:none;}
  html{scroll-behavior:auto;}
}

/* 包装设计语言卡 */
.pack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pack-card{
  margin:0;border-radius:var(--r-lg);overflow:hidden;background:#fff;
  border:1px solid var(--line);transition:.3s cubic-bezier(.4,0,.2,1);
}
.pack-card:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:transparent;}
.pack-card img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:.5s;}
.pack-card:hover img{transform:scale(1.06);}
.pack-card figcaption{padding:15px 17px 18px;}
.pack-card figcaption b{display:block;font-size:15.5px;font-weight:800;margin-bottom:3px;}
.pack-card figcaption span{font-size:12.5px;color:var(--muted);}

/* ===================== 10. 响应式 ===================== */
@media (max-width:1080px){
  .pack-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:920px){
  .ip-row{grid-template-columns:1fr !important;}
  .ip-row img{aspect-ratio:16/9;}
  .ip-row > div{padding:26px 24px !important;}
}
@media (max-width:680px){
  .pack-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .pack-card figcaption{padding:12px 13px 14px;}
  .pack-card figcaption b{font-size:14px;}
}

@media (max-width:1080px){
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .pgrid{grid-template-columns:repeat(3,1fr);}
  .channel-grid{grid-template-columns:repeat(3,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .cert-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-visual{max-width:620px;}
}
@media (max-width:920px){
  .nav-toggle{display:block;margin-left:auto;}
  .nav{
    position:fixed;left:0;right:0;top:var(--header-h);margin:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;padding:18px 20px 26px;
    box-shadow:0 20px 40px rgba(94,42,117,.14);border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:.35s cubic-bezier(.4,0,.2,1);max-height:calc(100vh - var(--header-h));overflow:auto;
  }
  .nav.is-open{transform:none;}
  .nav a{padding:14px 18px;font-size:16.5px;}
  .nav a.is-active::after{display:none;}
  .nav a.is-active{background:var(--c-purple-soft);}
  .header-cta .btn{display:none;}
  .header-tel{display:none;}
  .about-split,.ip-wrap,.contact-wrap,.licence{grid-template-columns:1fr;gap:36px;}
  .grid--3,.grid--4,.feat-grid,.culture-grid{grid-template-columns:repeat(2,1fr);}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:34px;padding:44px 28px;}
}
@media (max-width:680px){
  :root{--gutter:18px;--header-h:66px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:34px;}
  .cat-grid,.pgrid,.cert-grid,.grid--2,.feat-grid,.culture-grid,.form-row{grid-template-columns:1fr;}
  .pgrid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .channel-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .scene-grid{grid-template-columns:1fr;}
  .ip-cards{grid-template-columns:1fr 1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .brand img{height:44px;}
  .brand-cn{font-size:17px;}
  .hero{padding-top:44px;}
  .hero-stats{gap:22px;}
  .hero-stat b{font-size:24px;}
  .hero-float{display:none;}
  .search-box input{width:100%;}
  .search-box{width:100%;}
  .filter-bar{position:static;}
  .cta-band{padding:40px 26px;border-radius:var(--r-lg);}
  .stats-band{border-radius:var(--r-lg);padding:36px 22px;}
  .stats-band .stat b{font-size:28px;}
  .form-card{padding:26px 20px;}
  .licence__l,.licence__r{padding:28px 24px;}
  .pcard__params{display:none;}
  .pcard__usp{display:none;}
  .pcard__body{padding:12px 14px 16px;}
  .pcard__name{font-size:14px;}
  .pcard__price{font-size:17px;}
  .pcard__ask{display:none;}
  .timeline{padding-left:34px;}
  .tl-item::before{left:-34px;width:21px;height:21px;}
}

/* ===================== 12. 资料下载页 ===================== */
.dl-unlock{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  background:linear-gradient(135deg,#F7F1FC 0%,#EFF9F4 100%);
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:48px;box-shadow:var(--sh-sm);
}
.dl-unlock__lead{color:var(--muted);margin:14px 0 18px;line-height:1.85;}
.dl-unlock__list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.dl-unlock__list li{font-size:14.5px;color:var(--ink-2);font-weight:600;}
.dl-unlock__form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-sm);}
.dl-unlock__form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.dl-unlock__tip{font-size:12.5px;color:var(--muted);text-align:center;margin:12px 0 0;}

.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.dl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-sm);
  transition:transform .25s,box-shadow .25s;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.dl-card__cover{position:relative;aspect-ratio:210/272;overflow:hidden;background:#F4EEF8;}
.dl-card__cover img{width:100%;height:100%;object-fit:cover;object-position:top;display:block;transition:transform .4s;}
.dl-card:hover .dl-card__cover img{transform:scale(1.04);}
.dl-card__tag{
  position:absolute;top:12px;left:12px;background:var(--c-purple);color:#fff;
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.05em;
}
.dl-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.dl-card__body h3{font-size:18.5px;margin-bottom:8px;}
.dl-card__body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 14px;flex:1;}
.dl-card__meta{list-style:none;margin:0 0 16px;padding:10px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12.5px;color:var(--muted);}
.dl-card__meta b{color:var(--c-purple);font-size:14px;}
.dl-card__act{display:flex;gap:10px;flex-wrap:wrap;}
.dl-card__act .btn{padding:9px 18px;font-size:14px;}

.dl-card--more{background:linear-gradient(150deg,#8B3FA8 0%,#5E2E86 100%);border:none;}
.dl-card--more .dl-card__body{color:#fff;align-items:flex-start;justify-content:center;}
.dl-card--more h3{color:#fff;}
.dl-card--more p{color:rgba(255,255,255,.85);}
.dl-card--more .dl-card__act .btn--primary{background:#FFC93C;color:#3A2465;}
.dl-card__lockico{font-size:34px;line-height:1;margin-bottom:6px;}

.dl-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.dl-note{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;}
.dl-note h4{font-size:16.5px;margin-bottom:10px;}
.dl-note p{font-size:14px;color:var(--muted);line-height:1.8;margin:0;}
.dl-note a{color:var(--c-purple);font-weight:700;}

/* 未解锁状态：锁定下载与预览，封面加锁提示 */
body:not(.docs-unlocked) .dl-card:not(.dl-card--more) .dl-card__act a{pointer-events:none;opacity:.4;filter:grayscale(.4);}
body:not(.docs-unlocked) .dl-card:not(.dl-card--more) .dl-card__cover::after{
  content:"🔒 填写信息解锁下载";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(46,22,72,.55);color:#fff;font-size:15px;font-weight:700;letter-spacing:.06em;
  backdrop-filter:blur(2px);
}
body.docs-unlocked #dlList .sec-sub{color:var(--c-green);font-weight:600;}

@media (max-width:1080px){
  .dl-grid{grid-template-columns:repeat(2,1fr);}
  .dl-notes{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:920px){
  .dl-unlock{grid-template-columns:1fr;gap:28px;padding:32px;}
}
@media (max-width:680px){
  .dl-grid{grid-template-columns:1fr;}
  .dl-notes{grid-template-columns:1fr;}
  .dl-unlock{padding:24px;}
  .dl-unlock__form .form-row{grid-template-columns:1fr;}
}