/* ===== 基础变量 ===== */
:root{
  --navy:#0b1f3a;
  --navy-2:#102a4c;
  --blue:#1e63d0;
  --cyan:#2bd4c4;
  --orange:#ff8c42;
  --ink:#16243a;
  --ink-soft:#56657d;
  --line:#e6ecf5;
  --bg:#ffffff;
  --bg-alt:#f4f8fd;
  --radius:18px;
  --shadow:0 18px 40px -22px rgba(13,40,80,.35);
  --shadow-lg:0 30px 60px -28px rgba(13,40,80,.45);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad{background:linear-gradient(90deg,var(--blue),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;
  border:1px solid transparent;transition:.25s ease}
.btn-primary{background:linear-gradient(90deg,var(--blue),var(--cyan));color:#fff;box-shadow:0 12px 24px -12px rgba(30,99,208,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px -12px rgba(30,99,208,.8)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-block{width:100%}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s ease;
  background:rgba(255,255,255,0);padding:18px 0}
.nav.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  box-shadow:0 6px 20px -14px rgba(13,40,80,.4);padding:12px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{display:block;flex:none}
.brand-lockup{display:block;height:42px;width:auto;flex:none}
.brand-text{font-weight:800;font-size:20px;color:#fff;line-height:1;display:flex;flex-direction:column;gap:2px}
.brand-text small{font-size:10px;letter-spacing:2px;font-weight:600;opacity:.7}
.nav.scrolled .brand-text{color:var(--navy)}
.nav-links{display:flex;gap:28px;font-size:15px;font-weight:500}
.nav-links a{color:rgba(255,255,255,.9);position:relative;transition:.2s}
.nav.scrolled .nav-links a{color:var(--ink-soft)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));transition:.25s}
.nav-links a:hover::after{width:100%}
.nav-cta{padding:10px 20px;font-size:14px}
.nav.scrolled .nav-cta{background:linear-gradient(90deg,var(--blue),var(--cyan));color:#fff}
.nav:not(.scrolled) .nav-cta{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.4)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:#fff;transition:.3s}
.nav.scrolled .nav-toggle span{background:var(--navy)}

/* ===== Hero ===== */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;
  background:radial-gradient(120% 120% at 80% 0%,var(--navy-2),var(--navy) 60%);
  overflow:hidden;color:#fff;padding:120px 0 80px}
.hero-bg{position:absolute;inset:0;z-index:0}
.grid-overlay{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:46px 46px;mask-image:radial-gradient(120% 80% at 50% 30%,#000,transparent 75%)}
.glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}
.glow-1{width:420px;height:420px;background:var(--blue);top:-120px;right:-60px}
.glow-2{width:360px;height:360px;background:var(--cyan);bottom:-120px;left:-80px;opacity:.4}
.hero-inner{position:relative;z-index:1;max-width:840px}
.hero-tag{display:inline-block;font-size:14px;letter-spacing:1px;color:var(--cyan);
  border:1px solid rgba(43,212,196,.4);padding:7px 16px;border-radius:999px;margin-bottom:24px}
.hero-title{font-size:clamp(38px,6vw,68px);font-weight:800;line-height:1.1;letter-spacing:1px}
.hero-sub{margin:24px 0 34px;font-size:clamp(16px,2vw,19px);color:rgba(255,255,255,.82);max-width:680px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-pills{display:flex;gap:12px;flex-wrap:wrap;margin-top:42px}
.pill{font-size:13px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.9)}
.hero-dual{display:flex;align-items:stretch;gap:0;margin:18px 0 32px;flex-wrap:wrap}
.hero-wheel{flex:1 1 230px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:16px 20px;display:flex;flex-direction:column;gap:6px}
.hero-wheel.hw-operate{border-top:3px solid var(--blue)}
.hero-wheel.hw-apply{border-top:3px solid var(--cyan)}
.hw-label{font-size:15px;font-weight:700;color:#fff;letter-spacing:.5px}
.hw-val{font-size:14px;color:rgba(255,255,255,.8);line-height:1.5}
.hero-plus{display:flex;align-items:center;justify-content:center;padding:0 16px;font-size:26px;color:var(--cyan);font-weight:700}

/* ===== 通用区块 ===== */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--blue);text-transform:uppercase;margin-bottom:14px}
.eyebrow.light{color:var(--cyan)}
.section-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--navy);letter-spacing:.5px;text-wrap:balance}
.lead{margin-top:16px;color:var(--ink-soft);font-size:16px;text-wrap:balance}
/* 卡片正文统一平衡换行，避免末行单字孤行 */
.about-card p,.sol-card p,.news-card p,.ov-card p,.module-card p,.tier p,.suite-card p,.sc-card p,.tech-item p{text-wrap:balance}
/* 中文复合词不拆字：单字落单时整体移到下一行 */
.nw{white-space:nowrap}

/* ===== 关于我们 ===== */
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:64px}
.about-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:.25s;box-shadow:var(--shadow)}
.about-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.about-card h3{color:var(--blue);font-size:20px;margin-bottom:12px}
.about-card p{color:var(--ink-soft)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:linear-gradient(120deg,var(--navy),var(--navy-2));border-radius:24px;
  padding:44px 30px;color:#fff;box-shadow:var(--shadow-lg)}
.stat{text-align:center}
.stat-num{font-size:clamp(30px,4vw,46px);font-weight:800;
  background:linear-gradient(90deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{margin-top:8px;color:rgba(255,255,255,.78);font-size:14px}

/* ===== 双平台 ===== */
.platforms{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.platform-card{position:relative;border-radius:22px;padding:38px 34px;color:#fff;
  overflow:hidden;box-shadow:var(--shadow-lg);transition:.3s}
.platform-operate{background:linear-gradient(150deg,#163a6b,#1e63d0)}
.platform-apply{background:linear-gradient(150deg,#0d6a5e,#2bd4c4)}
.platform-card::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;
  right:-60px;top:-60px;background:rgba(255,255,255,.12);filter:blur(10px)}
.platform-top{display:flex;align-items:center;gap:10px;position:relative;z-index:1;flex-wrap:wrap}
.platform-badge{font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.2)}
.platform-class{font-size:13px;opacity:.85;letter-spacing:.5px}
.platform-name{font-size:30px;font-weight:800;margin:18px 0 12px;position:relative;z-index:1}
.platform-desc{opacity:.92;position:relative;z-index:1;min-height:84px}
.platform-feats{list-style:none;margin:18px 0;position:relative;z-index:1}
.platform-feats li{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:15px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--orange);flex:none}
.platform-apply .dot{background:#ffd9a8}
.platform-foot{margin-top:14px;padding-top:16px;border-top:1px solid rgba(255,255,255,.25);
  font-size:13px;opacity:.85;position:relative;z-index:1}
.dual-note{display:flex;align-items:center;justify-content:center;gap:26px;margin-top:40px;flex-wrap:wrap}
.dual-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 26px;
  text-align:center;box-shadow:var(--shadow);min-width:230px}
.dual-item strong{display:block;color:var(--navy);font-size:18px;margin-bottom:4px}
.dual-item span{color:var(--ink-soft);font-size:14px}
.dual-arrow{font-size:30px;color:var(--blue)}

/* ===== 解决方案 ===== */
.solutions{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sol-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:.25s;box-shadow:var(--shadow)}
.sol-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(30,99,208,.3)}
.sol-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:26px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan));margin-bottom:18px}
.sol-card h3{font-size:19px;color:var(--navy);margin-bottom:10px}
.sol-card p{color:var(--ink-soft);font-size:15px}

/* ===== 技术能力 ===== */
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tech-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 24px;transition:.25s;box-shadow:var(--shadow)}
.tech-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(30,99,208,.3)}
.tech-item h3{color:var(--navy);font-size:17px;margin-bottom:8px;font-weight:700}
.tech-item p{color:var(--ink-soft);font-size:14px;line-height:1.65;text-wrap:balance}

/* ===== 新闻 ===== */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:.25s;box-shadow:var(--shadow)}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-date{font-size:13px;color:var(--orange);font-weight:700;letter-spacing:1px}
.news-card h3{font-size:18px;color:var(--navy);margin:12px 0 10px;line-height:1.4}
.news-card p{color:var(--ink-soft);font-size:14px}
.news-more{display:inline-block;margin-top:14px;color:var(--blue);font-weight:600;font-size:14px}

/* ===== 联系 ===== */
.section-contact{background:radial-gradient(120% 120% at 20% 0%,var(--navy-2),var(--navy));
  color:#fff}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.contact-left h2{font-size:clamp(26px,3.4vw,38px);margin:14px 0}
.contact-sub{color:rgba(255,255,255,.8);margin-bottom:26px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;align-items:center;gap:12px;font-size:15px;color:rgba(255,255,255,.92)}
.ci{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(43,212,196,.18);color:var(--cyan);flex:none}
.contact-form{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:20px;padding:30px;backdrop-filter:blur(8px)}
.field{margin-bottom:16px}
.field input,.field textarea{width:100%;padding:14px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;font-family:inherit;outline:none;transition:.2s}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.55)}
.field input:focus,.field textarea:focus{border-color:var(--cyan);background:rgba(255,255,255,.14)}
.form-tip{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);text-align:center}

/* ===== 页脚 ===== */
.footer{background:#08172c;color:rgba(255,255,255,.8);padding:60px 0 0}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand .brand-text{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.65);transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.75);text-decoration:none}
.footer-bottom a:hover{color:#fff;text-decoration:underline}

/* ===== 子页头图 ===== */
.page-hero{position:relative;padding:150px 0 70px;background:radial-gradient(120% 120% at 80% 0%,var(--navy-2),var(--navy) 60%);color:#fff;overflow:hidden}
.page-hero::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:var(--cyan);filter:blur(90px);opacity:.22;right:-100px;top:-120px}
.page-hero-apply{background:radial-gradient(120% 120% at 80% 0%,#0d6a5e,var(--navy) 60%)}
.page-hero .container{position:relative;z-index:1;max-width:860px}
.ph-badge{display:inline-block;font-size:13px;letter-spacing:1px;color:var(--cyan);border:1px solid rgba(43,212,196,.4);padding:7px 16px;border-radius:999px;margin-bottom:20px}
.page-hero h1{font-size:clamp(34px,5vw,54px);font-weight:800;letter-spacing:1px}
.page-hero p{margin:20px 0 0;font-size:clamp(15px,2vw,18px);color:rgba(255,255,255,.85);max-width:680px}
.page-hero strong{color:#fff;font-weight:700}
.ph-crumbs{margin-top:26px;font-size:14px;color:rgba(255,255,255,.6)}
.ph-crumbs a{color:var(--cyan)}

/* ===== 三大底座 ===== */
.base-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.base-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;box-shadow:var(--shadow)}
.base-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.base-no{font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:1px}
.base-card h4{font-size:19px;color:var(--navy);margin:8px 0 10px}
.base-card p{color:var(--ink-soft);font-size:15px}

/* ===== 信任与合规 ===== */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:14px;padding:22px;transition:.25s}
.trust-item:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.trust-item h4{font-size:17px;color:var(--navy);margin-bottom:8px}
.trust-item p{color:var(--ink-soft);font-size:14px}
.trust-item strong{color:var(--blue)}
.trust-note{margin-top:24px;text-align:center;font-size:13px;color:var(--ink-soft);background:var(--bg-alt);border:1px solid var(--line);border-radius:12px;padding:16px 20px}

/* ===== 组合建议 CTA ===== */
.cta-band{margin-top:40px;text-align:center;background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;border-radius:18px;padding:30px}
.cta-band p{font-size:17px}
.cta-band a{color:var(--cyan);font-weight:700;border-bottom:1px solid var(--cyan)}

/* ===== 内联链接 ===== */
.inline-link{color:var(--blue);font-weight:600;border-bottom:1px solid rgba(30,99,208,.4)}

/* ===== 覆盖矩阵 ===== */
.matrix td{text-align:center;font-weight:600}
.matrix td:first-child{text-align:left;font-weight:700;color:var(--blue);background:rgba(30,99,208,.05)}
.matrix .matrix-foot td{background:var(--navy);color:#fff}

/* ===== 入场动画 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Hero 高亮 ===== */
.hl{color:var(--cyan);font-weight:700}

/* ===== 关于数据备注 ===== */
.stats-note{margin-top:18px;text-align:center;font-size:13px;color:var(--ink-soft);opacity:.85}
.shared-feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:10px}
.sf-item{background:var(--bg-alt,#f6f8fc);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.sf-item b{display:block;color:var(--navy);font-size:16px;margin-bottom:6px}
.sf-item span{color:var(--ink-soft);font-size:14px;line-height:1.55}

/* ===== 共用行业知识底座带 ===== */
.kb-band{background:linear-gradient(120deg,var(--navy),var(--navy-2));border-radius:24px;padding:36px 34px;color:#fff;box-shadow:var(--shadow-lg);margin:8px 0}
.kb-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.kb-tag{font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;background:rgba(255,140,66,.18);color:var(--orange);border:1px solid rgba(255,140,66,.4)}
.kb-band h3{font-size:22px;font-weight:800;margin:0}
.kb-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.kb-stat{text-align:center;padding:18px 10px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.kb-stat b{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;background:linear-gradient(90deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.kb-stat span{display:block;font-size:12.5px;color:rgba(255,255,255,.75);margin-top:6px}
.kb-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.7;text-align:center}

/* ===== 价值主线条 ===== */
.chain-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0}
.vc-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);transition:.25s}
.vc-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.vc-role{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;color:#fff;background:linear-gradient(90deg,var(--blue),var(--cyan));padding:4px 12px;border-radius:999px;margin-bottom:12px}
.vc-apply .vc-role{background:linear-gradient(90deg,#0d6a5e,var(--cyan))}
.vc-key{font-size:20px;font-weight:800;color:var(--navy);margin-bottom:8px}
.vc-item p{font-size:13.5px;color:var(--ink-soft)}

/* ===== 双平台协同（解决方案页） ===== */
.collab{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.collab-row{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow);transition:.25s}
.collab-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.collab-h{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.collab-h h4{font-size:18px;color:var(--navy);margin:0}
.collab-tag{font-size:12px;font-weight:700;color:var(--blue);background:rgba(30,99,208,.08);padding:4px 12px;border-radius:999px}
.collab-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.collab-col{background:var(--bg-alt);border-radius:12px;padding:16px}
.collab-col h5{font-size:14px;margin:0 0 8px}
.collab-col.ops h5{color:var(--blue)}
.collab-col.app h5{color:#0d6a5e}
.collab-col ul{list-style:none;padding:0;margin:0}
.collab-col li{font-size:13.5px;color:var(--ink-soft);padding:5px 0;border-bottom:1px dashed var(--line)}
.collab-col li:last-child{border-bottom:0}

/* ===== 双平台总览 ===== */
.overview{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.ov-card{position:relative;display:flex;flex-direction:column;gap:14px;border-radius:22px;padding:38px 34px;color:#fff;overflow:hidden;box-shadow:var(--shadow-lg);transition:.3s}
.ov-operate{background:linear-gradient(150deg,#163a6b,#1e63d0)}
.ov-apply{background:linear-gradient(150deg,#0d6a5e,#2bd4c4)}
.ov-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.ov-badge{font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.2);align-self:flex-start}
.ov-card h3{font-size:28px;font-weight:800}
.ov-card p{opacity:.92;font-size:15px}
.ov-list{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14px;opacity:.95}
.ov-list li{padding-left:18px;position:relative}
.ov-list li::before{content:"▸";position:absolute;left:0;color:var(--orange)}
.ov-apply .ov-list li::before{color:#ffd9a8}
.ov-go{margin-top:6px;font-weight:700;font-size:15px}

/* ===== 板块小标题 ===== */
.block-title{font-size:22px;font-weight:800;color:var(--navy);margin:48px 0 22px;text-align:center}
.block-title:first-of-type{margin-top:0}

/* ===== 模块网格（9 板块） ===== */
.modules{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.module-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.25s;box-shadow:var(--shadow)}
.module-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(30,99,208,.3)}
.m-no{font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:1px}
.module-card h4{font-size:17px;color:var(--navy);margin:8px 0 8px}
.module-card p{color:var(--ink-soft);font-size:14px}

/* ===== 组合包 ===== */
.packages{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pkg-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow);transition:.25s}
.pkg-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.pkg-hot{border-color:var(--orange);box-shadow:0 18px 40px -22px rgba(255,140,66,.6)}
.pkg-flag{position:absolute;top:18px;right:18px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;background:var(--orange);color:#fff}
.pkg-flag.alt{background:var(--blue)}
.pkg-card h4{font-size:20px;color:var(--navy);margin-bottom:14px;padding-right:70px}
.pkg-price{font-size:30px;font-weight:800;color:var(--blue)}
.pkg-price span{font-size:14px;font-weight:600;color:var(--ink-soft);margin-left:4px}
.pkg-desc{margin:14px 0;color:var(--ink-soft);font-size:14px;min-height:60px}
.pkg-foot{font-size:13px;color:var(--cyan);font-weight:600;border-top:1px solid var(--line);padding-top:12px}

/* ===== 会员档位 ===== */
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tier{background:var(--bg-alt);border:1px solid var(--line);border-radius:16px;padding:24px;text-align:center;transition:.25s}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tier-rec{background:linear-gradient(150deg,#163a6b,#1e63d0);color:#fff;border-color:transparent}
.tier-rec p{color:rgba(255,255,255,.85)}
.tier h4{font-size:18px;margin-bottom:10px}
.tier-price{font-size:26px;font-weight:800;color:var(--blue)}
.tier-price span{font-size:13px;font-weight:600;color:var(--ink-soft)}
.tier-rec .tier-price{color:#fff}
.tier-rec .tier-price span{color:rgba(255,255,255,.8)}
.tier p{font-size:13px;color:var(--ink-soft);margin-top:10px}

/* ===== 产品矩阵表 ===== */
.ptable-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.ptable{width:100%;border-collapse:collapse;min-width:760px;font-size:14px}
.ptable th,.ptable td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
.ptable thead th{background:linear-gradient(90deg,var(--navy),var(--navy-2));color:#fff;font-weight:600;position:sticky;top:0}
.ptable tbody tr:nth-child(even){background:var(--bg-alt)}
.ptable tbody tr:hover{background:rgba(43,212,196,.08)}
.ptable td:first-child{font-weight:600;color:var(--blue);background:rgba(30,99,208,.05);white-space:nowrap}
.ptable td:nth-child(2){font-weight:700;color:var(--navy)}

/* ===== 套件 ===== */
.suites{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.suite-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow);transition:.25s}
.suite-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.suite-flag{position:absolute;top:16px;right:16px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--orange);color:#fff}
.suite-flag.alt{background:var(--blue)}
.suite-card h4{font-size:18px;color:var(--navy);margin-bottom:12px;padding-right:64px;line-height:1.3}
.suite-price{font-size:26px;font-weight:800;color:var(--blue)}
.suite-price span{font-size:13px;font-weight:600;color:var(--ink-soft)}
.suite-card p{margin-top:12px;color:var(--ink-soft);font-size:14px}
.suite-note{margin-top:22px;text-align:center;font-size:13px;color:var(--ink-soft)}

/* ===== 产品族总览 ===== */
.pf-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pf-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.pf-badge{display:inline-block;font-size:12px;font-weight:700;padding:5px 13px;border-radius:999px;margin-bottom:14px}
.pf-badge.ops{background:rgba(30,99,208,.10);color:var(--blue)}
.pf-badge.app{background:rgba(43,212,196,.16);color:#11877b}
.pf-card h4{font-size:20px;color:var(--navy);margin-bottom:6px}
.pf-card .pf-sub{font-size:13px;color:var(--ink-soft);margin-bottom:16px}
.pf-card ul{list-style:none;padding:0;margin:0 0 18px}
.pf-card li{position:relative;padding:9px 0 9px 18px;font-size:14px;color:var(--ink-soft);border-bottom:1px dashed var(--line)}
.pf-card li:last-child{border-bottom:none}
.pf-card li:before{content:"";position:absolute;left:0;top:16px;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.pf-link{display:inline-block;font-size:14px;font-weight:700;color:var(--blue);text-decoration:none}
.pf-link:hover{text-decoration:underline}

/* ===== 客户型解决方案 ===== */
.sol-clients{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sc-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;transition:.25s;box-shadow:var(--shadow)}
.sc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(30,99,208,.3)}
.sc-card h4{font-size:18px;color:var(--navy);margin-bottom:10px}
.sc-card p{color:var(--ink-soft);font-size:14px;min-height:66px}
.sc-tag{display:inline-block;margin-top:12px;font-size:13px;font-weight:700;color:var(--blue);background:rgba(30,99,208,.08);padding:5px 12px;border-radius:999px}

/* ===== 响应式 ===== */
@media(max-width:920px){
  .nav-links{position:fixed;top:64px;right:0;left:0;flex-direction:column;gap:0;
    background:#fff;padding:10px 24px 20px;box-shadow:0 20px 30px -20px rgba(13,40,80,.4);
    transform:translateY(-140%);transition:.3s;z-index:40}
  .nav-links.open{transform:none}
  .nav-links a{color:var(--ink)!important;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .about-grid,.platforms,.solutions,.tech-grid,.news,.modules,.packages,.tiers,.suites,.sol-clients,.base-grid,.trust-grid,.kb-stats,.chain-strip,.collab{grid-template-columns:1fr 1fr}
  .overview{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .contact-inner{grid-template-columns:1fr;gap:32px}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .container{padding:0 18px}
  .about-grid,.platforms,.solutions,.tech-grid,.news,.stats,.overview,.modules,.packages,.tiers,.suites,.sol-clients,.base-grid,.trust-grid,.chain-strip,.collab,.pf-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .section-head{margin:0 auto 36px}
  .section-head h2{font-size:clamp(23px,6vw,30px)}
  .hero-dual{flex-direction:column}
  .hero-plus{display:none}
  /* 修复：column 方向下 flex-basis 230px 会变成卡片最小高度，内容两行却撑出高空卡 */
  .hero-wheel{flex:0 0 auto}
  .hero-title{font-size:clamp(30px,9vw,38px)}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .section{padding:64px 0}
  .platform-desc{min-height:auto}
  .kb-band{padding:24px 18px}
  .kb-stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .ptable{font-size:13px}
  .ptable th,.ptable td{padding:10px 11px}
}