/* ===== 基础变量 ===== */
:root{
  --bg:#070A1A;
  --bg-2:#0D1330;
  --panel:#111A3A;
  --panel-2:#0E1631;
  --line:rgba(0,212,255,.12);
  --line-strong:rgba(0,212,255,.35);
  --cyan:#00D4FF;
  --violet:#7B61FF;
  --green:#00FFC6;
  --ink:#E8ECFF;
  --ink-2:#9AA3CC;
  --ink-3:#5C6699;
  --grad:linear-gradient(135deg,#00D4FF 0%,#7B61FF 60%,#00FFC6 100%);
  --grad-soft:linear-gradient(135deg,rgba(0,212,255,.18),rgba(123,97,255,.18));
  --shadow-glow:0 0 40px rgba(0,212,255,.25);
  --radius:16px;
  --maxw:1240px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-en:"Inter",sans-serif;
  --font-mono:"JetBrains Mono",monospace;
  --font-display:"Orbitron","Inter",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn),var(--font-en);
  background:var(--bg);
  color:var(--ink);
  overflow-x:hidden;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(123,97,255,.18),transparent 60%),
    radial-gradient(1000px 700px at 0% 20%,rgba(0,212,255,.14),transparent 55%),
    radial-gradient(900px 500px at 50% 110%,rgba(0,255,198,.08),transparent 60%),
    var(--bg);
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
img{max-width:100%;display:block}

/* ===== 粒子 & 网格背景 ===== */
#particles{position:fixed;inset:0;z-index:-1;pointer-events:none}
.grid-overlay{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,212,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,212,255,.04) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 80%);
}
.cursor-glow{
  position:fixed;width:380px;height:380px;border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(0,212,255,.10),transparent 60%);
  transform:translate(-50%,-50%);transition:opacity .3s;mix-blend-mode:screen;
}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s}
.nav.scrolled{
  background:rgba(7,10,26,.82);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  font-family:var(--font-display);font-weight:900;font-size:18px;
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  background:var(--grad);color:#060A18;letter-spacing:-1px;
  box-shadow:0 0 24px rgba(0,212,255,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-cn{font-weight:700;font-size:15px}
.brand-en{font-family:var(--font-en);font-size:11px;color:var(--cyan);letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links>a,.nav-dropbtn{font-size:14.5px;font-weight:500;color:var(--ink-2);transition:.2s;position:relative}
.nav-links>a:hover,.nav-dropbtn:hover{color:var(--cyan)}
.nav-links>a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:.25s}
.nav-links>a:hover::after{width:100%}
.nav-dropdown{position:relative}
.nav-dropdown-content{
  position:absolute;top:calc(100% + 14px);right:0;min-width:300px;
  background:rgba(13,19,48,.95);backdrop-filter:blur(20px);
  border:1px solid var(--line);border-radius:14px;padding:10px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.nav-dropdown:hover .nav-dropdown-content{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown-content a{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;transition:.2s}
.nav-dropdown-content a:hover{background:var(--grad-soft);color:var(--cyan)}
.nd-icon{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-size:15px;background:rgba(0,212,255,.12);border:1px solid var(--line)}
.lang-switch{
  font-family:var(--font-mono);font-size:13px;font-weight:600;
  border:1px solid var(--line-strong);border-radius:20px;padding:7px 14px;
  display:flex;align-items:center;gap:6px;transition:.2s;
}
.lang-switch:hover{background:var(--grad-soft);border-color:var(--cyan);box-shadow:var(--shadow-glow)}
.lang-current{color:var(--cyan)}
.lang-other{color:var(--ink-3)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ===== 容器 & 通用 ===== */
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:110px 0;position:relative}
.section-head{text-align:center;margin-bottom:64px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);
  font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--cyan);
  border:1px solid var(--line-strong);border-radius:30px;padding:7px 18px;margin-bottom:22px;
  background:rgba(0,212,255,.06);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2s infinite}
.section-title{font-size:clamp(28px,4vw,46px);font-weight:900;line-height:1.2;letter-spacing:-.5px}
.section-title .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section-sub{margin-top:18px;color:var(--ink-2);max-width:680px;margin-left:auto;margin-right:auto;font-size:16px}

/* ===== 首页 Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:90px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;width:100%}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;
  letter-spacing:2px;color:var(--green);border:1px solid rgba(0,255,198,.3);
  border-radius:30px;padding:8px 18px;background:rgba(0,255,198,.06);margin-bottom:28px;
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:pulse 1.8s infinite}
.hero h1{font-size:clamp(38px,6vw,72px);font-weight:900;line-height:1.05;letter-spacing:-1px;margin-bottom:8px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .en{display:block;font-family:var(--font-display);font-size:clamp(20px,2.4vw,30px);font-weight:700;color:var(--ink-2);letter-spacing:2px;margin-top:14px}
.hero p{font-size:18px;color:var(--ink-2);max-width:520px;margin:26px 0 38px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;padding:15px 30px;border-radius:12px;transition:.25s;position:relative;overflow:hidden}
.btn-primary{background:var(--grad);color:#060A18;box-shadow:0 8px 30px rgba(0,212,255,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 44px rgba(0,212,255,.5)}
.btn-ghost{border:1px solid var(--line-strong);color:var(--ink);background:rgba(13,19,48,.5)}
.btn-ghost:hover{border-color:var(--cyan);background:var(--grad-soft);box-shadow:var(--shadow-glow)}
.hero-stats{display:flex;gap:38px;margin-top:48px}
.hero-stat .num{font-family:var(--font-display);font-size:30px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat .lbl{font-size:13px;color:var(--ink-3)}

/* Hero 右侧 6S 环 */
.hero-visual{position:relative;height:480px;display:grid;place-items:center}
.ring{position:absolute;width:380px;height:380px;border-radius:50%;border:1px dashed var(--line-strong);animation:spin 40s linear infinite}
.ring.r2{width:280px;height:280px;border-style:solid;border-color:rgba(123,97,255,.2);animation:spin 28s linear infinite reverse}
.ring.r3{width:180px;height:180px;border-color:rgba(0,255,198,.25);animation:spin 20s linear infinite}
.core{
  width:130px;height:130px;border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle,rgba(0,212,255,.25),rgba(123,97,255,.1));
  border:1px solid var(--line-strong);box-shadow:0 0 60px rgba(0,212,255,.3);position:relative;z-index:2;
}
.core span{font-family:var(--font-display);font-weight:900;font-size:34px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.satellite{position:absolute;width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:rgba(13,19,48,.9);border:1px solid var(--line-strong);font-family:var(--font-display);font-weight:700;font-size:13px;color:var(--cyan);box-shadow:var(--shadow-glow);z-index:3}
.satellite .tip{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);white-space:nowrap;font-size:11px;color:var(--ink-2);font-family:var(--font-cn);font-weight:400;opacity:0;transition:.2s}

/* ===== 6S 服务链 ===== */
.chain{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;justify-content:center}
.chain-node{flex:1;min-width:150px;max-width:200px;padding:30px 18px;position:relative;text-align:center;border:1px solid var(--line);border-radius:16px;background:rgba(14,22,49,.5);margin:0 8px 16px;transition:.3s;cursor:pointer}
.chain-node:hover{transform:translateY(-8px);border-color:var(--cyan);box-shadow:var(--shadow-glow);background:rgba(0,212,255,.06)}
.chain-node .s-num{font-family:var(--font-display);font-size:13px;color:var(--cyan);letter-spacing:1px}
.chain-node .s-icon{font-size:34px;margin:14px 0}
.chain-node h4{font-size:16px;font-weight:700;margin-bottom:4px}
.chain-node .s-en{font-family:var(--font-en);font-size:11px;color:var(--violet);letter-spacing:1px;margin-bottom:12px}
.chain-node p{font-size:12.5px;color:var(--ink-2);line-height:1.55}
.chain-arrow{display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:20px;opacity:.5}

/* ===== 6大平台入口 ===== */
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.platform-card{
  position:relative;padding:32px 26px;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(180deg,rgba(17,26,58,.7),rgba(14,22,49,.5));
  border:1px solid var(--line);transition:.35s;cursor:pointer;
}
.platform-card::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:.35s}
.platform-card:hover{transform:translateY(-8px);border-color:var(--cyan);box-shadow:0 20px 50px rgba(0,212,255,.2)}
.platform-card:hover::before{opacity:1}
.platform-card>*{position:relative;z-index:1}
.pc-icon{width:60px;height:60px;border-radius:14px;display:grid;place-items:center;font-size:28px;background:var(--grad-soft);border:1px solid var(--line-strong);margin-bottom:22px}
.pc-num{position:absolute;top:26px;right:26px;font-family:var(--font-display);font-size:40px;font-weight:900;color:rgba(255,255,255,.06)}
.platform-card h3{font-size:19px;font-weight:700;margin-bottom:6px}
.platform-card .pc-en{font-family:var(--font-en);font-size:12px;color:var(--cyan);letter-spacing:1px;margin-bottom:14px}
.platform-card p{font-size:13.5px;color:var(--ink-2);margin-bottom:22px;min-height:42px}
.pc-more{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--cyan)}
.pc-more::after{content:"→";transition:.25s}
.platform-card:hover .pc-more::after{transform:translateX(5px)}

/* ===== 新闻 + 案例 ===== */
.split{display:grid;grid-template-columns:1.3fr 1fr;gap:30px}
.news-list{display:flex;flex-direction:column;gap:18px}
.news-card{display:grid;grid-template-columns:160px 1fr;gap:20px;padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(14,22,49,.5);transition:.25s;cursor:pointer}
.news-card:hover{border-color:var(--cyan);transform:translateX(6px);background:rgba(0,212,255,.05)}
.news-thumb{height:96px;border-radius:10px;background:var(--grad-soft);display:grid;place-items:center;font-size:30px;border:1px solid var(--line)}
.news-meta{font-family:var(--font-mono);font-size:11px;color:var(--cyan);margin-bottom:6px}
.news-card h4{font-size:15px;font-weight:600;margin-bottom:6px}
.news-card p{font-size:12.5px;color:var(--ink-2)}
.cases{display:flex;flex-direction:column;gap:18px}
.case-card{padding:22px;border:1px solid var(--line);border-radius:14px;background:rgba(14,22,49,.5);transition:.25s}
.case-card:hover{border-color:var(--violet);box-shadow:0 0 30px rgba(123,97,255,.15)}
.case-logo{font-family:var(--font-display);font-weight:900;font-size:20px;color:var(--violet);margin-bottom:10px}
.case-card h4{font-size:15px;font-weight:600;margin-bottom:10px}
.case-tags{display:flex;gap:8px;flex-wrap:wrap}
.case-tag{font-size:11px;font-family:var(--font-mono);padding:4px 12px;border-radius:20px;border:1px solid var(--line-strong);color:var(--cyan);background:rgba(0,212,255,.06)}

/* ===== 全球化板块 ===== */
.global{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.global-map{position:relative;height:340px;border-radius:var(--radius);border:1px solid var(--line);background:radial-gradient(circle at 50% 50%,rgba(0,212,255,.06),transparent 70%);overflow:hidden}
.globe-dot{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan);animation:pulse 2s infinite}
.global-features{display:flex;flex-direction:column;gap:22px}
.gf-item{display:flex;gap:16px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:12px;background:rgba(14,22,49,.4);transition:.25s}
.gf-item:hover{border-color:var(--cyan);transform:translateX(6px)}
.gf-icon{font-size:24px;color:var(--green)}
.gf-item h4{font-size:15px;font-weight:600;margin-bottom:4px}
.gf-item p{font-size:13px;color:var(--ink-2)}

/* ===== 平台页通用 ===== */
.page-hero{padding:150px 0 70px;position:relative;border-bottom:1px solid var(--line)}
.page-hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.page-hero .eyebrow{margin-bottom:20px}
.page-hero h1{font-size:clamp(32px,4.5vw,52px);font-weight:900;line-height:1.1;letter-spacing:-.5px}
.page-hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .ph-en{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--cyan);letter-spacing:2px;margin-top:12px}
.page-hero .ph-slogan{font-size:17px;color:var(--ink-2);margin-top:20px;max-width:520px}
.ph-visual{height:280px;border-radius:var(--radius);border:1px solid var(--line-strong);display:grid;place-items:center;font-size:90px;background:radial-gradient(circle,rgba(0,212,255,.1),transparent 65%);box-shadow:var(--shadow-glow);overflow:hidden}
.ph-visual img{width:100%;height:100%;object-fit:cover;mix-blend-mode:luminosity;opacity:.85;transition:.4s}
.ph-visual:hover img{opacity:1;mix-blend-mode:normal;transform:scale(1.05)}
.intro-block{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.intro-block p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.intro-block p:last-child{margin-bottom:0}

/* 亮点卡片 */
.highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.hl-card{padding:28px 24px;border-radius:14px;border:1px solid var(--line);background:rgba(14,22,49,.5);transition:.3s;position:relative;overflow:hidden}
.hl-card:hover{border-color:var(--cyan);transform:translateY(-6px);box-shadow:0 12px 36px rgba(0,212,255,.12)}
.hl-icon{width:50px;height:50px;border-radius:12px;display:grid;place-items:center;font-size:24px;background:var(--grad-soft);border:1px solid var(--line-strong);margin-bottom:18px}
.hl-card h4{font-size:16px;font-weight:700;margin-bottom:8px}
.hl-card p{font-size:13px;color:var(--ink-2);line-height:1.6}

/* 流程 */
.process{display:flex;flex-wrap:wrap;gap:0;justify-content:center}
.proc-step{flex:1;min-width:180px;max-width:220px;padding:24px 18px;text-align:center;position:relative;border:1px solid var(--line);border-radius:14px;background:rgba(14,22,49,.5);margin:0 8px 16px}
.proc-step .ps-num{font-family:var(--font-display);font-size:32px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.proc-step h4{font-size:15px;font-weight:600;margin:10px 0 6px}
.proc-step p{font-size:12px;color:var(--ink-2)}
.proc-arrow{display:flex;align-items:center;justify-content:center;color:var(--cyan);opacity:.4;font-size:22px}

/* 场景卡片 */
.scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sc-card{padding:0;border-radius:14px;border:1px solid var(--line);background:rgba(14,22,49,.5);overflow:hidden;transition:.3s}
.sc-card:hover{border-color:var(--violet);transform:translateY(-6px)}
.sc-img{height:140px;background:var(--grad-soft);display:grid;place-items:center;font-size:48px;border-bottom:1px solid var(--line)}
.sc-body{padding:22px}
.sc-body h4{font-size:15px;font-weight:600;margin-bottom:8px}
.sc-body p{font-size:12.5px;color:var(--ink-2)}

/* 数据亮点 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{padding:30px 20px;text-align:center;border:1px solid var(--line);border-radius:14px;background:rgba(14,22,49,.5)}
.metric .m-num{font-family:var(--font-display);font-size:38px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric .m-lbl{font-size:13px;color:var(--ink-2);margin-top:8px}

/* CTA */
.cta-band{position:relative;padding:70px;border-radius:24px;text-align:center;overflow:hidden;background:linear-gradient(135deg,rgba(0,212,255,.12),rgba(123,97,255,.12));border:1px solid var(--line-strong)}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(0,212,255,.2),transparent 60%)}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(26px,3.5vw,40px);font-weight:900;margin-bottom:14px}
.cta-band p{color:var(--ink-2);margin-bottom:30px}
.cta-band .hero-cta{justify-content:center}

/* 关联平台 */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{display:flex;align-items:center;gap:14px;padding:18px;border:1px solid var(--line);border-radius:12px;background:rgba(14,22,49,.5);transition:.25s;cursor:pointer}
.rel-card:hover{border-color:var(--cyan);transform:translateX(6px);background:rgba(0,212,255,.05)}
.rel-icon{font-size:24px}
.rel-card h5{font-size:14px;font-weight:600}
.rel-card span{font-size:11px;color:var(--ink-3)}

/* ===== 联系页 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info{display:flex;flex-direction:column;gap:18px}
.ci-item{display:flex;gap:16px;padding:22px;border:1px solid var(--line);border-radius:14px;background:rgba(14,22,49,.5);transition:.25s}
.ci-item:hover{border-color:var(--cyan);box-shadow:var(--shadow-glow)}
.ci-icon{font-size:26px}
.ci-item .ci-label{font-size:12px;color:var(--ink-3);margin-bottom:4px;font-family:var(--font-mono);letter-spacing:1px}
.ci-item .ci-val{font-size:16px;font-weight:600}
.ci-qr{padding:22px;border:1px solid var(--line);border-radius:14px;background:rgba(14,22,49,.5);text-align:center}
.qr-box{width:140px;height:140px;margin:14px auto;border:1px dashed var(--line-strong);border-radius:12px;display:grid;place-items:center;color:var(--ink-3);font-size:12px;background:var(--grad-soft)}
.contact-form{padding:30px;border:1px solid var(--line-strong);border-radius:18px;background:rgba(14,22,49,.6);box-shadow:var(--shadow-glow)}
.contact-form h3{font-size:20px;font-weight:700;margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;font-weight:500}
.field label .req{color:var(--cyan)}
.field input,.field select,.field textarea{width:100%;padding:13px 16px;background:rgba(7,10,26,.6);border:1px solid var(--line);border-radius:10px;color:var(--ink);font-family:inherit;font-size:14px;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,212,255,.12)}
.field textarea{resize:vertical;min-height:110px}
.form-feedback{display:none;padding:14px;border-radius:10px;font-size:14px;margin-top:14px;animation:fadeIn .4s}
.form-feedback.show{display:block}
.form-feedback.success{background:rgba(0,255,198,.1);border:1px solid rgba(0,255,198,.3);color:var(--green)}
.form-feedback.error{background:rgba(255,80,80,.1);border:1px solid rgba(255,80,80,.35);color:#FF8C8C}
#formSubmitBtn:disabled{opacity:.6;cursor:not-allowed}

/* ===== 页脚 ===== */
.footer{position:relative;border-top:1px solid var(--line);background:rgba(7,10,26,.6);padding:70px 0 30px;margin-top:60px}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.footer-brand .brand-row{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-desc{font-size:13.5px;color:var(--ink-2);max-width:340px;margin-bottom:22px}
.social{display:flex;gap:12px}
.social-link{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;font-size:14px;color:var(--ink-2);transition:.25s;font-family:var(--font-en)}
.social-link:hover{border-color:var(--cyan);color:var(--cyan);background:var(--grad-soft);transform:translateY(-3px)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col p{font-size:13px;color:var(--ink-2);margin-bottom:10px}
.footer-col a{display:block;font-size:13px;color:var(--ink-2);margin-bottom:10px;transition:.2s}
.footer-col a:hover{color:var(--cyan);padding-left:4px}
.footer-bottom{max-width:var(--maxw);margin:40px auto 0;padding:24px 28px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--ink-3)}

/* ===== 抽屉 ===== */
.drawer{position:fixed;top:0;right:-100%;width:300px;height:100vh;background:rgba(13,19,48,.98);backdrop-filter:blur(20px);border-left:1px solid var(--line);z-index:60;padding:24px;transition:.35s;overflow-y:auto}
.drawer.open{right:0}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:18px;font-weight:600}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.drawer-links a{display:flex;align-items:center;gap:12px;padding:12px;border-radius:10px;transition:.2s}
.drawer-links a:hover{background:var(--grad-soft)}
.drawer-link{display:block;padding:13px;border-radius:10px;border:1px solid var(--line);text-align:center;margin-bottom:10px}

/* ===== 回到顶部 ===== */
.scroll-top{position:fixed;bottom:30px;right:30px;width:46px;height:46px;border-radius:12px;background:var(--grad);color:#060A18;display:grid;place-items:center;font-size:20px;z-index:40;opacity:0;visibility:hidden;transition:.3s;box-shadow:var(--shadow-glow)}
.scroll-top.show{opacity:1;visibility:visible}
.scroll-top:hover{transform:translateY(-4px)}

/* ===== 动画 ===== */
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.reveal{opacity:0;transform:translateY(30px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* 路由视图过渡 */
#view{min-height:60vh;animation:fadeIn .4s}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .hero-inner,.page-hero-inner,.global,.contact-grid{grid-template-columns:1fr}
  .hero-visual,.ph-visual{height:340px}
  .platform-grid,.highlights,.scenarios,.related{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links>a:not(.lang-switch),.nav-dropdown{display:none}
  .nav-toggle{display:flex}
  .hero{padding-top:120px}
  .hero-stats{gap:24px}
  .platform-grid,.highlights,.scenarios,.related,.intro-block,.metrics,.footer-inner{grid-template-columns:1fr}
  .chain{flex-direction:column;align-items:center}
  .chain-arrow,.proc-arrow{transform:rotate(90deg)}
  .cta-band{padding:40px 24px}
  .section{padding:80px 0}
  .container{padding:0 20px}
  .news-card{grid-template-columns:1fr}
  .cursor-glow{display:none}
}