/* =========================================================================
   上海百昔数字技术有限公司 · 官网设计系统 (PC)
   设计语言: warm-terra / trust-first
   旋钮: VARIANCE=6  MOTION=5  DENSITY=4
   品牌色 #C4956A (暖陶土主色) · 中性灰底 · 系统字体栈 (无 Inter)
   ========================================================================= */

/* ---------- Design tokens ---------- */
:root{
  --brand:#C4956A;
  --brand-600:#A67B5B;
  --brand-700:#8B6240;
  --brand-050:#F5EDE4;
  --brand-100:#EDD9C4;
  --ink-900:#2A1F1A;
  --ink-800:#3D2E26;
  --ink-700:#4A3528;
  --text-strong:#2A1F1A;
  --text:#5C4A3D;
  --text-soft:#8A7060;
  --line:#E8ECF3;
  --line-soft:#F1F4F9;
  --bg:#FFFFFF;
  --bg-soft:#F6F9FE;
  --bg-tint:#EEF4FC;
  --white:#FFFFFF;
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.06);
  --shadow-md:0 12px 30px -12px rgba(20,40,80,.18);
  --shadow-lg:0 28px 60px -24px rgba(20,40,80,.28);
  --container:1200px;
  --nav-h:68px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:var(--brand-100);color:var(--ink-800)}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:clamp(64px,9vw,116px) 0}
.section--soft{background:var(--bg-soft)}
.section--tint{background:var(--bg-tint)}
.section-head{max-width:720px;margin:0 auto clamp(40px,5vw,64px);text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-700);
  padding:6px 14px;border-radius:999px;background:var(--brand-050);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.section-head h2{
  font-size:clamp(1.6rem,3.2vw,2.4rem);
  color:var(--text-strong);font-weight:800;letter-spacing:-.01em;line-height:1.25;
}
.section-head p{margin-top:16px;color:var(--text);font-size:1.02rem}
.lead{font-size:1.05rem;color:var(--text)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;font-weight:600;font-size:15px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .25s var(--ease),color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -8px rgba(196,149,106,.45)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px -10px rgba(196,149,106,.5)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand-700);border:1px solid var(--line)}
.btn-outline:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn .arrow{transition:transform .3s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- Nav · 深色科技玻璃 ---------- */
.top_wrap{
  position:sticky;top:0;z-index:100;
  background:rgba(26,20,17,.72);
  backdrop-filter:saturate(160%) blur(20px) brightness(1.05);
  -webkit-backdrop-filter:saturate(160%) blur(20px) brightness(1.05);
  border-bottom:1px solid rgba(196,149,106,.12);
  transition:background .4s var(--ease),border-color .4s var(--ease);
}
/* 科技网格纹理 */
.top_wrap::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(196,149,106,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,149,106,.04) 1px,transparent 1px);
  background-size:32px 32px;
  mask-image:linear-gradient(180deg,#000 0%,transparent 100%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 100%);
}
/* 底部辉光线 */
.top_wrap::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;z-index:0;pointer-events:none;
  background:linear-gradient(90deg,transparent 8%,rgba(196,149,106,.35) 30%,rgba(196,149,106,.5) 50%,rgba(196,149,106,.35) 70%,transparent 92%);
}
.top_content{position:relative;z-index:1;max-width:var(--container);margin:0 auto;padding:0 24px}
.top_content .content{display:flex;align-items:center;height:var(--nav-h);gap:24px}

/* Logo · 品牌辉光 */
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:18px;letter-spacing:-.01em;transition:filter .3s var(--ease)}
.logo:hover{filter:drop-shadow(0 0 8px rgba(196,149,106,.4))}
.logo img{height:34px;width:auto;border-radius:8px}
.logo .title{font-size:17px;background:linear-gradient(135deg,#fff 0%,#E8C4A0 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* 导航项 */
.nav-item{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item a{
  position:relative;padding:8px 16px;font-size:14px;font-weight:500;color:rgba(232,222,208,.7);border-radius:8px;
  transition:color .3s var(--ease),background .3s var(--ease),text-shadow .3s var(--ease);
}
.nav-item a:hover{color:#fff;background:rgba(196,149,106,.1);text-shadow:0 0 12px rgba(196,149,106,.4)}
.nav-item a.on{color:#E8C4A0;font-weight:600}
.nav-item a.on::after{content:"";position:absolute;left:16px;right:16px;bottom:-2px;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--brand),transparent);box-shadow:0 0 8px rgba(196,149,106,.5)}

/* CTA 按钮 */
.top-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.top-cta .zixun{
  height:38px;padding:0 22px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-600) 100%);
  color:#fff;font-weight:600;font-size:14px;display:inline-flex;align-items:center;
  box-shadow:0 4px 16px -4px rgba(196,149,106,.5),inset 0 1px 0 rgba(255,255,255,.15);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.top-cta .zixun:hover{transform:translateY(-1px);box-shadow:0 8px 24px -4px rgba(196,149,106,.6),inset 0 1px 0 rgba(255,255,255,.2)}
.top-cta .login{
  height:38px;padding:0 18px;border-radius:999px;
  border:1px solid rgba(232,222,208,.2);color:rgba(232,222,208,.9);font-weight:600;font-size:14px;display:inline-flex;align-items:center;
  background:rgba(255,255,255,.03);
  transition:border-color .3s var(--ease),color .3s var(--ease),background .3s var(--ease);
}
.top-cta .login:hover{border-color:rgba(196,149,106,.5);color:#fff;background:rgba(196,149,106,.08)}

/* 汉堡菜单 */
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;color:rgba(232,222,208,.9)}
.nav-toggle span{position:relative;width:20px;height:2px;background:currentColor;border-radius:2px;transition:.3s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;transition:.3s var(--ease)}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:clamp(72px,10vw,128px) 0 clamp(64px,8vw,104px)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60% 80% at 78% 18%,rgba(196,149,106,.38),transparent 60%),
    radial-gradient(50% 60% at 12% 90%,rgba(196,149,106,.18),transparent 60%),
    linear-gradient(180deg,#2A1F1A,#2A1F1A 60%,#2A1F1A);
}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(70% 70% at 50% 30%,#000,transparent 75%);opacity:.5}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.12em;color:#C4956A;text-transform:uppercase;margin-bottom:22px}
.hero-eyebrow::before{content:"";width:28px;height:1px;background:linear-gradient(90deg,var(--brand),transparent)}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:800;line-height:1.16;letter-spacing:-.02em}
.hero h1 .hl{background:linear-gradient(120deg,#E8C4A0,#C4956A);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin-top:22px;color:rgba(226,235,248,.82);font-size:1.08rem;max-width:540px}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-trust{display:flex;gap:28px;margin-top:44px;flex-wrap:wrap}
.hero-trust .t{display:flex;flex-direction:column}
.hero-trust .t b{font-size:1.5rem;font-weight:800;color:#fff}
.hero-trust .t span{font-size:13px;color:rgba(226,235,248,.6)}

/* Hero visual */
.hero-visual{position:relative;height:420px}
.hero-card{position:absolute;border-radius:var(--radius-lg);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(8px);padding:20px;box-shadow:var(--shadow-lg)}
.hero-card .hc-label{font-size:12px;color:#C4956A;letter-spacing:.08em;text-transform:uppercase}
.hero-card .hc-value{font-size:1.7rem;font-weight:800;color:#fff;margin-top:6px}
.hero-card .hc-sub{font-size:13px;color:rgba(226,235,248,.6);margin-top:4px}
.hero-card.c1{top:8%;left:2%;width:230px;animation:floaty 7s var(--ease) infinite}
.hero-card.c2{top:40%;right:0;width:220px;animation:floaty 8.5s var(--ease) infinite reverse}
.hero-card.c3{bottom:2%;left:24%;width:200px;animation:floaty 9.5s var(--ease) infinite}
.hero-orb{position:absolute;top:50%;left:50%;width:280px;height:280px;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(196,149,106,.45),rgba(196,149,106,.38) 70%);filter:blur(8px);animation:pulse 9s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes pulse{0%,100%{opacity:.7;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.08)}}

/* ---------- Stats band ---------- */
.stats{background:var(--brand);color:#fff}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:48px;padding-bottom:48px}
.stat{text-align:center}
.stat b{display:block;font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:800;letter-spacing:-.01em}
.stat span{font-size:14px;opacity:.88;margin-top:6px;display:block}

/* ---------- Cards / grids ---------- */
.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)}

.card{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--brand-100)}
.card .ic{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-700);font-size:24px;margin-bottom:18px;
}
.card h3{font-size:1.18rem;color:var(--text-strong);font-weight:700;letter-spacing:-.01em}
.card p{margin-top:10px;color:var(--text);font-size:.96rem}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--brand-700);font-weight:600;font-size:14px}
.card .more .arrow{transition:transform .3s var(--ease)}
.card:hover .more .arrow{transform:translateX(4px)}
.card.accent{background:linear-gradient(160deg,var(--brand),var(--brand-700));border:none;color:#fff}
.card.accent .ic{background:rgba(255,255,255,.16);color:#fff}
.card.accent h3,.card.accent p{color:#fff}
.card.accent p{color:rgba(255,255,255,.85)}

/* Domain feature row (alternating) */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.feature + .feature{margin-top:clamp(48px,7vw,88px)}
.feature .fmedia{position:relative;aspect-ratio:4/3;border-radius:var(--radius-lg);background:var(--ink-900);overflow:hidden}
.feature .fmedia::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 30% 20%,rgba(196,149,106,.4),transparent 60%),linear-gradient(160deg,#2A1F1A,#2A1F1A)}
.feature .fmedia .badge{position:absolute;left:22px;bottom:22px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;padding:10px 16px;border-radius:12px;font-size:14px;backdrop-filter:blur(6px)}
.feature h3{font-size:clamp(1.4rem,2.6vw,1.9rem);color:var(--text-strong);font-weight:800;letter-spacing:-.01em}
.feature .flist{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.feature .flist li{display:flex;gap:12px;align-items:flex-start;color:var(--text)}
.feature .flist li::before{content:"";flex:0 0 18px;height:18px;margin-top:5px;border-radius:50%;background:var(--brand-050);position:relative}
.feature .flist li::after{content:"";position:absolute;width:6px;height:10px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg) translate(-1px,-2px);margin:8px 0 0 6px}
.feature.reverse .fmedia{order:2}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:center}
.about .panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(28px,4vw,44px);box-shadow:var(--shadow-sm)}
.about .values{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}
.about .value{background:var(--bg-soft);border-radius:var(--radius-sm);padding:18px}
.about .value b{display:block;color:var(--text-strong);font-size:1.02rem;font-weight:700}
.about .value span{font-size:.9rem;color:var(--text-soft)}
.about h2{font-size:clamp(1.6rem,3vw,2.3rem);color:var(--text-strong);font-weight:800;letter-spacing:-.01em}
.about p{margin-top:18px;color:var(--text)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;border-radius:var(--radius-lg);padding:clamp(40px,6vw,72px);text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 50% 0%,rgba(196,149,106,.35),transparent 60%)}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:800;letter-spacing:-.01em}
.cta-band p{margin:16px auto 0;max-width:560px;color:rgba(226,235,248,.8)}
.cta-band .hero-actions{justify-content:center;margin-top:30px}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.news-thumb{aspect-ratio:16/10;background:linear-gradient(150deg,#2A1F1A,#C4956A);position:relative;overflow:hidden}
.news-thumb::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:32px 32px;mask-image:radial-gradient(80% 80% at 30% 20%,#000,transparent 70%)}
.news-body{padding:22px}
.news-body .date{font-size:13px;color:var(--brand-700);font-weight:600}
.news-body h3{margin-top:8px;font-size:1.1rem;color:var(--text-strong);font-weight:700;line-height:1.4}
.news-body p{margin-top:10px;font-size:.92rem;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- Page hero (inner) ---------- */
/* ======================================================
   内页 Hero Banner — 暖陶土品牌 + 交互元素
   ====================================================== */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
  color:#fff;
  padding:clamp(56px,8vw,96px) 0;
  min-height:clamp(260px,30vh,360px);
  display:flex;
  align-items:center;
}

/* 背景：暖陶土渐变 mesh */
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 90% at 90% 10%,rgba(196,149,106,.35),transparent 60%),
    radial-gradient(ellipse 50% 60% at 10% 80%,rgba(166,123,91,.25),transparent 55%),
    radial-gradient(ellipse 40% 50% at 50% 50%,rgba(196,149,106,.08),transparent 65%),
    linear-gradient(165deg,#2A1F1A 0%,#3D2E26 45%,#4A3528 100%);
  z-index:0;
}

/* 网格纹理 + mask */
.page-hero::after{
  content:"";
  position:absolute;inset:0;z-index:1;
  background-image:
    linear-gradient(rgba(196,149,106,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,149,106,.06) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(80% 80% at 50% 30%,#000,transparent 70%);
  pointer-events:none;
}

.page-hero .container{position:relative;z-index:2}
.page-hero .crumbs{
  font-size:13px;color:rgba(226,215,208,.6);margin-bottom:14px;
  transition:color .25s var(--ease);
}
.page-hero .crumbs a{color:rgba(226,215,208,.6);transition:color .25s var(--ease)}
.page-hero .crumbs a:hover{color:var(--brand)}
.page-hero h1{
  font-size:clamp(1.9rem,4vw,3rem);font-weight:800;letter-spacing:-.02em;
  position:relative;
}
/* 标题装饰下划线 */
.page-hero h1::after{
  content:"";
  display:block;width:48px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand),rgba(196,149,106,.3));
  margin-top:14px;
}
.page-hero p{margin-top:16px;max-width:620px;color:rgba(226,215,208,.8);font-size:1.05rem}

/* ---- 交互浮动装饰卡片 ---- */
.page-hero-deco{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.page-hero-deco .deco-card{
  position:absolute;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  padding:16px 20px;
  box-shadow:0 8px 32px rgba(0,0,0,.25);
  transition:transform .4s var(--ease),border-color .4s var(--ease);
  cursor:default;
}
.page-hero-deco .deco-card:hover{
  border-color:rgba(196,149,106,.5);
  transform:translateY(-4px) scale(1.02);
  background:rgba(196,149,106,.12);
}
.page-hero-deco .deco-card .dc-icon{
  font-size:22px;margin-bottom:8px;display:block;
}
.page-hero-deco .deco-card .dc-label{
  font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(226,215,208,.55);font-weight:600;
}
.page-hero-deco .deco-card .dc-value{
  font-size:1.3rem;font-weight:800;color:#fff;margin-top:4px;
  line-height:1.2;
}

/* 浮动动画 */
.deco-f1{top:12%;right:6%;width:190px;animation:terra-float1 8s var(--ease) infinite}
.deco-f2{bottom:15%;right:12%;width:170px;animation:terra-float2 10s var(--ease) infinite}
.deco-f3{top:25%;right:22%;width:150px;animation:terra-float3 12s var(--ease) infinite;animation-delay:-4s}
.deco-ring{
  position:absolute;top:8%;right:18%;width:120px;height:120px;
  border-radius:50%;border:1.5px solid rgba(196,149,106,.2);
  animation:terra-ring-pulse 6s ease-in-out infinite;
}
.deco-ring::before{
  content:"";position:absolute;inset:16px;border-radius:50%;
  border:1px solid rgba(196,149,106,.12);
}

/* 几何装饰 */
.deco-dot{
  position:absolute;bottom:20%;right:4%;width:8px;height:8px;
  border-radius:50%;background:var(--brand);opacity:.5;
  animation:terra-pulse 4s ease-in-out infinite;
}
.deco-line{
  position:absolute;top:40%;right:2%;width:1px;height:80px;
  background:linear-gradient(to bottom,transparent,rgba(196,149,106,.3),transparent);
}

@keyframes terra-float1{
  0%,100%{transform:translateY(0) rotate(0deg)}
  33%{transform:translateY(-12px) rotate(1deg)}
  66%{transform:translateY(-6px) rotate(-.5deg)}
}
@keyframes terra-float2{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}
@keyframes terra-float3{
  0%,100%{transform:translateY(0) translateX(0)}
  50%{transform:translateY(-8px) translateX(-4px)}
}
@keyframes terra-ring-pulse{
  0%,100%{opacity:.4;transform:scale(1)}
  50%{opacity:.7;transform:scale(1.06)}
}
@keyframes terra-pulse{
  0%,100%{opacity:.4;transform:scale(1)}
  50%{opacity:.8;transform:scale(1.4)}
}

/* prefers-reduced-motion */
@media(prefers-reduced-motion:reduce){
  .deco-f1,.deco-f2,.deco-f3,.deco-ring,.deco-dot{animation:none}
  .page-hero-deco .deco-card:hover{transform:none}
}

/* ---------- Contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info h3{font-size:1.3rem;color:var(--text-strong);font-weight:800}
.contact-info .ci-list{margin-top:24px;display:flex;flex-direction:column;gap:18px}
.contact-info .ci{display:flex;gap:16px;align-items:flex-start}
.contact-info .ci .ic{width:46px;height:46px;flex:0 0 46px;border-radius:12px;background:var(--brand-050);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:20px}
.contact-info .ci b{display:block;color:var(--text-strong);font-weight:700}
.contact-info .ci span{color:var(--text)}
.contact-form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.contact-form h3{font-size:1.2rem;color:var(--text-strong);font-weight:800;margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--text-strong);font-weight:600;margin-bottom:8px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px 15px;font-family:inherit;font-size:15px;color:var(--text-strong);background:#fff;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-050)}
.field textarea{min-height:120px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.captcha-row{display:flex;gap:12px;align-items:center}
.captcha-row input{flex:1}
.captcha-row img{height:50px;border-radius:var(--radius-sm);border:1px solid var(--line);cursor:pointer}
.btn-submit{width:100%;height:50px;background:var(--brand);color:#fff;border-radius:999px;font-weight:600;font-size:15px;transition:background .25s var(--ease),transform .3s var(--ease)}
.btn-submit:hover{background:var(--brand-600);transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;margin-bottom:14px;background:#fff;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.faq-item:hover{border-color:var(--brand-100);box-shadow:var(--shadow-sm)}
.faq-item h3{font-size:1.05rem;color:var(--text-strong);font-weight:700}
.faq-item p{margin-top:10px;color:var(--text);font-size:.96rem}

/* ---------- Download ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dl-card{text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 24px}
.dl-card .ic{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;background:var(--brand-050);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:30px}
.dl-card h3{font-size:1.15rem;color:var(--text-strong);font-weight:700}
.dl-card p{margin-top:8px;font-size:.92rem;color:var(--text)}
.dl-card .btn{margin-top:20px;height:44px;padding:0 24px}

/* ---------- Footer ---------- */
.bottombox{background:var(--ink-900);color:rgba(226,235,248,.7);padding:clamp(48px,6vw,72px) 0 28px}
.footer-grid{max-width:var(--container);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo .title{-webkit-text-fill-color:#fff;background:none}
.footer-brand p{font-size:.92rem;max-width:300px;color:rgba(226,235,248,.65)}
.footer-brand .social{display:flex;gap:12px;margin-top:20px}
.footer-brand .social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#fff;transition:background .25s var(--ease)}
.footer-brand .social a:hover{background:var(--brand)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(226,235,248,.7);transition:color .25s var(--ease)}
.footer-col a:hover{color:#C4956A}
.footer-bottom{max-width:var(--container);margin:40px auto 0;padding:22px 24px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(226,235,248,.55)}
.footer-bottom a{color:rgba(226,235,248,.7)}
.footer-bottom a:hover{color:#C4956A}

/* ---------- Reveal motion ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-visible{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}
.reveal[data-d="5"]{transition-delay:.4s}
.reveal[data-d="6"]{transition-delay:.48s}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero .container{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:320px;order:-1}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr 1fr}
  .dl-grid{grid-template-columns:1fr}
  .feature,.about,.contact-wrap{grid-template-columns:1fr}
  .feature.reverse .fmedia{order:0}
}
@media (max-width:768px){
  .nav-item,.top-cta{display:none}
  .nav-toggle{display:flex}
  .top_wrap.open .nav-item{
    display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;
    background:rgba(26,20,17,.96);backdrop-filter:saturate(160%) blur(20px);
    border-bottom:1px solid rgba(196,149,106,.12);padding:14px 24px;gap:4px;box-shadow:0 12px 40px -12px rgba(0,0,0,.5);margin-left:0;
  }
  .top_wrap.open .nav-item a{width:100%;color:rgba(232,222,208,.8)}
  .top_wrap.open .nav-item a:hover{background:rgba(196,149,106,.1);color:#fff}
  .top_wrap.open .nav-item a.on{color:#E8C4A0}
  .top_wrap.open .top-cta{display:flex;position:absolute;top:calc(var(--nav-h) + 200px);left:24px;right:24px}
  .grid-3,.grid-2,.news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .field-row{grid-template-columns:1fr}
}
@media (max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .hero-trust{gap:18px}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  .btn:hover,.card:hover{transform:none!important}
}

/* 新闻分类筛选 */
.news-cats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.news-cats .cat{padding:8px 18px;border-radius:999px;border:1px solid var(--line);color:var(--text);font-weight:600;font-size:.92rem;transition:all .2s}
.news-cats .cat:hover,.news-cats .cat.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.empty-tip{text-align:center;color:var(--text-soft);padding:48px 0;font-size:.95rem}

/* 新闻详情页 */
.article-view{max-width:820px;margin:0 auto;padding:48px 0 64px}
.article-view .crumbs{margin-bottom:24px}
.article-head h1{font-size:2rem;font-weight:800;color:var(--text-strong);line-height:1.3;letter-spacing:-.01em}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:16px;color:var(--text-soft);font-size:.9rem}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-cover{margin:28px 0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.article-cover img{width:100%;display:block}
.article-body{margin-top:28px;font-size:1.05rem;line-height:1.85;color:var(--text)}
.article-body p{margin:0 0 1.2em}
.article-body img{max-width:100%;border-radius:var(--radius-sm);margin:8px 0}
.article-body h2,.article-body h3{color:var(--text-strong);margin:1.6em 0 .6em;font-weight:700}
.article-related{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.article-related h3{font-size:1.15rem;color:var(--text-strong);margin-bottom:16px}
.article-related ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.article-related a{display:flex;align-items:center;gap:10px;color:var(--text);transition:color .2s}
.article-related a:hover{color:var(--brand-700)}
.article-related .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-600);flex:none}
.article-related .r-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-related .r-date{color:var(--text-soft);font-size:.85rem;flex:none}
.article-back{margin-top:40px}
.pager{margin-top:36px;display:flex;justify-content:center;gap:8px;color:var(--text-soft)}
.pager a,.pager span{padding:8px 14px;border-radius:8px;border:1px solid var(--line)}
.pager .active,.pager a:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff}

/* ============ 移动端产品模块展示（追加） ============ */

/* 模块展示 - 移动端优先 */
.modules-showcase {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.module-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  padding: 24px 0;
}

@media (min-width: 768px) {
  .module-row {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 48px 0;
  }
  .module-row.reverse .module-info {
    order: 2;
  }
  .module-row.reverse .module-visual {
    order: 1;
  }
}

.module-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--brand-050);
  color: var(--brand-700);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.module-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 16px;
  line-height: 1.3;
}

.module-desc {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.module-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.module-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text);
}

.module-features li svg {
  flex-shrink: 0;
  color: var(--brand);
}

/* 模拟设备展示 */
.module-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.mock-device {
  width: 100%;
  max-width: 320px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.mock-header {
  padding: 12px 16px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-strong);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mock-header::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

.mock-body {
  padding: 16px;
  min-height: 200px;
}

.mock-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
}

.mock-label {
  color: var(--text-soft);
  font-weight: 500;
}

.mock-value {
  color: var(--text-strong);
  font-weight: 600;
}

.mock-status {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.mock-status.signed {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
}

.mock-status.pending {
  background: rgba(251, 191, 36, 0.1);
  color: #d97706;
}

.mock-progress {
  height: 4px;
  background: var(--line);
  border-radius: 999px;
  margin: 12px 0;
  overflow: hidden;
}

.mock-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--brand), var(--brand-600));
  border-radius: 999px;
  transition: width 0.6s var(--ease);
}

.mock-btns {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.mock-btn {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}

.mock-btn.ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: transparent;
}

.mock-btn.primary {
  background: var(--brand);
  color: #fff;
}

.mock-date-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.mock-date {
  flex: 1;
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  text-align: center;
  font-size: 11px;
  color: var(--text-soft);
}

.mock-date.active {
  background: var(--brand-050);
  color: var(--brand-700);
  font-weight: 600;
}

.mock-date b {
  display: block;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-strong);
  margin-top: 2px;
}

.mock-time-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.mock-time {
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  text-align: center;
  font-size: 12px;
  color: var(--text);
  font-weight: 500;
}

.mock-time.active {
  background: var(--brand-050);
  color: var(--brand-700);
  font-weight: 700;
}

/* 平台卡片 */
.platform-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .platform-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.platform-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.3s var(--ease);
}

.platform-card:hover {
  border-color: var(--brand-100);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pf-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--brand-050);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.platform-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 8px;
}

.platform-card p {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 16px;
}

.pf-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pf-tags span {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 500;
}

/* 为什么选择 */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.3s var(--ease);
}

.why-card:hover {
  border-color: var(--brand-100);
  box-shadow: var(--shadow-sm);
}

.why-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--brand-100);
  line-height: 1;
  margin-bottom: 12px;
}

.why-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 8px;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
}

/* Hero 模块卡片 - 深色背景玻璃拟态 */
.hero-visual--modules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  align-content: center;
  perspective: 1000px;
}

@media (min-width: 768px) {
  .hero-visual--modules {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
}

.hero-visual--modules .module-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  padding: 20px 14px 16px;
  text-align: center;
  transition: all 0.35s var(--ease);
  animation: float 6s ease-in-out infinite;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.hero-visual--modules .module-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(196,149,106,.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  border-radius: inherit;
}

.hero-visual--modules .module-card:hover::before {
  opacity: 1;
}

.hero-visual--modules .module-card:nth-child(2) { animation-delay: -1s; }
.hero-visual--modules .module-card:nth-child(3) { animation-delay: -2s; }
.hero-visual--modules .module-card:nth-child(4) { animation-delay: -3s; }
.hero-visual--modules .module-card:nth-child(5) { animation-delay: -4s; }
.hero-visual--modules .module-card:nth-child(6) { animation-delay: -5s; }

.hero-visual--modules .module-card:hover {
  border-color: rgba(196,149,106,.4);
  box-shadow: 0 8px 32px rgba(196,149,106,.2), inset 0 1px 0 rgba(255,255,255,.1);
  transform: translateY(-4px) scale(1.02);
}

.hero-visual--modules .mc-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: rgba(196,149,106,.15);
  color: #E8C4A0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  position: relative;
  z-index: 1;
}

.hero-visual--modules .mc-icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

.hero-visual--modules .mc-name {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
  letter-spacing: 0.02em;
}

.hero-visual--modules .mc-tag {
  font-size: 11px;
  color: rgba(232,196,160,.7);
  background: rgba(196,149,106,.12);
  padding: 3px 10px;
  border-radius: 999px;
  display: inline-block;
  position: relative;
  z-index: 1;
  letter-spacing: 0.04em;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 按钮小尺寸 */
.btn-sm {
  padding: 8px 20px;
  font-size: 0.9rem;
}

/* 居中操作 */
.hero-actions--center {
  justify-content: center;
}

/* 移动端优化 */
@media (max-width: 480px) {
  .hero-actions--stack {
    flex-direction: column;
    gap: 8px;
  }
  .hero-actions--stack .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-trust--compact {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .hero-trust--compact .t b {
    font-size: 1.3rem;
  }
  .module-info h3 {
    font-size: 1.3rem;
  }
  .mock-device {
    max-width: 280px;
  }
  .why-card {
    padding: 20px 16px;
  }
  .platform-card {
    padding: 20px 16px;
  }
}

/* 触控优化 */
@media (pointer: coarse) {
  .module-card:hover,
  .platform-card:hover,
  .why-card:hover,
  .news-card:hover {
    transform: none;
  }
  .btn {
    min-height: 44px;
  }
  .mock-btn {
    min-height: 36px;
  }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
  .mock-device {
    background: var(--ink-800);
    border-color: var(--ink-700);
  }
  .mock-header {
    background: var(--ink-700);
    border-color: var(--ink-600);
  }
  .mock-field {
    border-color: var(--ink-700);
  }
  .mock-date,
  .mock-time {
    background: var(--ink-700);
  }
  .module-card,
  .platform-card,
  .why-card {
    background: var(--ink-800);
    border-color: var(--ink-700);
  }
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
  .module-card {
    animation: none;
  }
}