/* ============ 设计令牌 ============ */
:root{
  --bg:#070b14;
  --bg2:#0b1120;
  --panel:#101827;
  --panel2:#141d30;
  --line:rgba(255,255,255,.08);
  --line2:rgba(255,255,255,.14);
  --txt:#e8edf6;
  --txt2:#93a1b8;
  --txt3:#5c6b84;
  --cyan:#22d3ee;
  --blue:#3b82f6;
  --violet:#8b5cf6;
  --amber:#f59e0b;
  --rose:#fb7185;
  --green:#34d399;
  --grad:linear-gradient(135deg,#22d3ee,#3b82f6 55%,#8b5cf6);
  --radius:20px;
  --mono:"JetBrains Mono","Cascadia Code",Consolas,"Courier New",monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --veil:rgba(255,255,255,.04);
  --veil2:rgba(255,255,255,.06);
  --header-bg:rgba(7,11,20,.72);
  --nav-bg:rgba(7,11,20,.97);
  --btn-txt:#04121f;
  --grid-line:rgba(255,255,255,.035);
  --cover-fade:rgba(7,11,20,.92);
  --thumb:#233047;
  --thumb-h:#2f4060;
  --shadow:0 24px 60px rgba(0,0,0,.5);
  --gotop-bg:rgba(16,24,39,.85);
  --orb-op:.5;
  color-scheme:dark;
}
/* ============ 浅色主题 —— 贴近参考图明亮蓝紫圆润风格 ============ */
html[data-theme="light"]{
  --bg:#f0f7ff;
  --bg2:#eef2ff;
  --panel:rgba(255,255,255,.78);
  --panel2:#f5faff;
  --line:rgba(59,130,246,.1);
  --line2:rgba(59,130,246,.16);
  --txt:#1e293b;
  --txt2:#475569;
  --txt3:#64748b;
  --cyan:#2563eb;
  --blue:#3b82f6;
  --violet:#7c3aed;
  --amber:#d97706;
  --rose:#e11d48;
  --green:#059669;
  --grad:linear-gradient(135deg,#3b82f6 0%,#7c3aed 100%);
  --veil:rgba(59,130,246,.06);
  --veil2:rgba(59,130,246,.1);
  --header-bg:rgba(255,255,255,.82);
  --nav-bg:rgba(255,255,255,.96);
  --btn-txt:#ffffff;
  --grid-line:rgba(59,130,246,.05);
  --cover-fade:rgba(248,250,255,.98);
  --thumb:#cbd5e1;
  --thumb-h:#94a3b8;
  --shadow:0 28px 70px rgba(59,130,246,.14);
  --gotop-bg:rgba(255,255,255,.9);
  --orb-op:.4;
  --radius:28px;
  color-scheme:light;
}

/* 页面背景：更明显的蓝紫柔和渐变 */
html[data-theme="light"] body{background:
  radial-gradient(ellipse 80% 55% at 92% -10%,rgba(191,219,254,.8),transparent 50%),
  radial-gradient(ellipse 65% 58% at 3% 32%,rgba(233,213,255,.8),transparent 50%),
  radial-gradient(ellipse 72% 52% at 78% 108%,rgba(224,242,254,.8),transparent 50%),
  linear-gradient(135deg,#dbeafe 0%,#eef5ff 38%,#f3efff 68%,#e9e4ff 100%)}

/* 全局文字/选中 */
html[data-theme="light"] ::selection{background:rgba(37,99,235,.18)}

/* 导航：更白的毛玻璃 */
html[data-theme="light"] header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(22px);box-shadow:0 6px 28px rgba(37,99,235,.1);border-bottom-color:var(--line)}
html[data-theme="light"] .logo .mark{box-shadow:0 8px 24px rgba(37,99,235,.24)}
html[data-theme="light"] .nav-links a:hover{background:rgba(37,99,235,.08);color:var(--cyan)}
html[data-theme="light"] #themeToggle{background:transparent;border-color:transparent}
html[data-theme="light"] #burger span{background:var(--txt)}

/* Hero：去除深色轮播图，改用通透蓝紫渐变背景 */
html[data-theme="light"] .hero{background:transparent;min-height:92vh}
html[data-theme="light"] .hero-bg{
  background:
    radial-gradient(ellipse 60% 55% at 78% 18%,rgba(147,197,253,.6),transparent 55%),
    radial-gradient(ellipse 55% 48% at 18% 75%,rgba(216,180,254,.55),transparent 55%),
    radial-gradient(ellipse 50% 45% at 55% 55%,rgba(191,219,254,.32),transparent 55%);
  opacity:1}
html[data-theme="light"] .hero-slider{pointer-events:none}
html[data-theme="light"] .hero-slide{opacity:0}
html[data-theme="light"] .hero-slide.active{opacity:.1}
html[data-theme="light"] .hero h1{color:var(--txt);filter:drop-shadow(0 8px 30px rgba(37,99,235,.12))}
html[data-theme="light"] .hero h1 .line2{background:linear-gradient(90deg,#2563eb,#7c3aed,#2563eb);background-size:220% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
html[data-theme="light"] .hero-sub{color:var(--txt2);text-shadow:none;max-width:620px}
html[data-theme="light"] .hero-sub .type{color:var(--cyan)}
html[data-theme="light"] .caret{background:var(--cyan)}
html[data-theme="light"] .hero-badge{background:#fff;color:var(--cyan);border-color:var(--line2);box-shadow:0 4px 14px rgba(37,99,235,.1)}
html[data-theme="light"] .hero-badge .dot{background:var(--cyan)}
html[data-theme="light"] .scroll-cue{color:var(--txt3)}
html[data-theme="light"] .scroll-cue .mouse{border-color:var(--txt3)}

/* 按钮 */
html[data-theme="light"] .btn{border-radius:16px}
html[data-theme="light"] .btn-primary{box-shadow:0 12px 34px -8px rgba(37,99,235,.45)}
html[data-theme="light"] .btn-primary:hover{box-shadow:0 18px 46px -8px rgba(37,99,235,.55);transform:translateY(-3px)}
html[data-theme="light"] .btn-ghost{background:#fff;border-color:var(--line2);color:var(--txt)}
html[data-theme="light"] .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);background:#fff}

/* 跑马灯/区块 */
html[data-theme="light"] .ticker{background:var(--bg2);border-color:var(--line)}
html[data-theme="light"] .section.alt{background:linear-gradient(180deg,#eef2ff,#f8fafc);border-color:var(--line)}
html[data-theme="light"] .sec-tag{color:var(--cyan)}
html[data-theme="light"] .sec-tag::before{background:var(--cyan)}

/* Bento：浅蓝白卡片、大圆角、柔和阴影、隐藏深色装饰图 */
html[data-theme="light"] .bento{gap:24px}
html[data-theme="light"] .bento-card{background:linear-gradient(160deg,#fff,color-mix(in srgb,var(--c,#3b82f6) 9%,#f5f9ff));backdrop-filter:blur(16px);border-color:rgba(59,130,246,.1);border-radius:28px;box-shadow:0 22px 55px -10px rgba(37,99,235,.1)}
html[data-theme="light"] .bento-card .idx{color:var(--c)}
html[data-theme="light"] .bento-card:hover{transform:translateY(-10px);border-color:rgba(59,130,246,.2);box-shadow:0 32px 70px -10px rgba(37,99,235,.18)}
html[data-theme="light"] .bento-card::after{display:none}
html[data-theme="light"] .bento-card .glow{display:none}
html[data-theme="light"] .bento-card .icon{
  width:58px;height:58px;display:grid;place-items:center;
  background:linear-gradient(150deg,color-mix(in srgb,var(--c) 14%,#fff),#fff);
  border:1px solid color-mix(in srgb,var(--c) 35%,transparent);border-radius:16px;
  font-size:26px;margin:10px 0 18px;
  box-shadow:0 4px 14px rgba(37,99,235,.08)}
html[data-theme="light"] .bento-card h3{color:var(--txt)}
html[data-theme="light"] .bento-card p{color:var(--txt2)}
html[data-theme="light"] .bento-card .go{color:var(--c)}
html[data-theme="light"] .bento-card::before{height:4px;background:linear-gradient(90deg,var(--c),transparent)}

/* 统计条 */
html[data-theme="light"] .stats{background:linear-gradient(120deg,rgba(59,130,246,.06),rgba(124,58,237,.06));border-color:var(--line)}

/* 发展历程：浅色模式下每个阶段卡片的浅色渐变 */
html[data-theme="light"] #timeline .tl-item:nth-child(1) .tl-card{background:linear-gradient(160deg,#eff6ff,#f8fbff);border-color:rgba(59,130,246,.2)}
html[data-theme="light"] #timeline .tl-item:nth-child(2) .tl-card{background:linear-gradient(160deg,#ecfeff,#f4fffe);border-color:rgba(34,211,238,.2)}
html[data-theme="light"] #timeline .tl-item:nth-child(3) .tl-card{background:linear-gradient(160deg,#ecfdf5,#f6fdfb);border-color:rgba(52,211,153,.2)}
html[data-theme="light"] #timeline .tl-item:nth-child(4) .tl-card{background:linear-gradient(160deg,#f5f3ff,#fbfaff);border-color:rgba(139,92,246,.22)}
html[data-theme="light"] #timeline .tl-item:nth-child(5) .tl-card{background:linear-gradient(160deg,#fffbeb,#fffdf5);border-color:rgba(245,158,11,.22)}
html[data-theme="light"] #timeline .tl-item:nth-child(6) .tl-card{background:linear-gradient(160deg,#fff1f2,#fff8f8);border-color:rgba(244,63,94,.2)}
html[data-theme="light"] #timeline .tl-item:nth-child(7) .tl-card{background:linear-gradient(160deg,#eef2ff,#f8f9ff);border-color:rgba(99,102,241,.22)}

/* 产品终端：浅色玻璃风格 */
html[data-theme="light"] .terminal{background:rgba(255,255,255,.72);backdrop-filter:blur(16px);border-color:var(--line2);border-radius:var(--radius);box-shadow:var(--shadow)}
html[data-theme="light"] .terminal-bar{background:#eef2ff;border-bottom-color:var(--line)}
html[data-theme="light"] .terminal-bar i:nth-child(1){background:#fb7185}html[data-theme="light"] .terminal-bar i:nth-child(2){background:#fbbf24}html[data-theme="light"] .terminal-bar i:nth-child(3){background:#34d399}
html[data-theme="light"] .terminal-bar span{color:var(--txt3)}
html[data-theme="light"] .terminal-body{color:var(--txt2)}
html[data-theme="light"] .terminal-body .c{color:var(--txt3)}
html[data-theme="light"] .terminal-body .k{color:var(--cyan)}
html[data-theme="light"] .terminal-body .s{color:var(--green)}
html[data-theme="light"] .terminal-body .v{color:var(--amber)}
html[data-theme="light"] .spec-table{border-color:var(--line);border-radius:18px}
html[data-theme="light"] .spec-row{border-bottom-color:var(--line)}
html[data-theme="light"] .spec-row dt{background:rgba(239,246,255,.7);color:var(--txt3)}
/* 技术标签 · 胶囊 */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:999px;border:1px solid var(--line2);background:var(--veil);color:var(--txt2);font-size:12.5px;font-family:var(--sans);line-height:1.5;transition:.3s;cursor:default;text-decoration:none}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 6px var(--cyan);opacity:.75;flex:none}
.chip:hover{border-color:var(--cyan);color:var(--cyan);background:var(--veil2);transform:translateY(-2px)}
html[data-theme="light"] .chip{background:#fff;border-color:var(--line2);color:var(--txt2)}
html[data-theme="light"] .chip:hover{border-color:var(--cyan);color:var(--cyan);background:#fff;transform:translateY(-2px)}

/* 案例卡片 */
html[data-theme="light"] .case-card{background:var(--panel);border-color:var(--line);border-radius:22px;box-shadow:0 12px 32px rgba(37,99,235,.08)}
html[data-theme="light"] .case-card:hover{box-shadow:0 26px 60px -10px rgba(37,99,235,.18);border-color:rgba(37,99,235,.18);transform:translateY(-8px) scale(1.015)}
html[data-theme="light"] .case-card .cover{border-radius:18px 18px 0 0;overflow:hidden}
html[data-theme="light"] .case-card .cover::after{background:linear-gradient(160deg,transparent 50%,rgba(15,23,42,.05))}
html[data-theme="light"] .case-card .cat{background:#fff;border-color:var(--line2);color:var(--txt2);backdrop-filter:blur(10px);box-shadow:0 4px 12px rgba(37,99,235,.08)}
html[data-theme="light"] .rail-btn{background:#fff;border-color:var(--line2);color:var(--txt2);box-shadow:0 8px 24px rgba(37,99,235,.12)}
html[data-theme="light"] .rail-btn:hover{border-color:var(--cyan);color:var(--cyan);background:#fff}
html[data-theme="light"] .cat-gov{background:rgba(59,130,246,.1);color:#1d4ed8}
html[data-theme="light"] .cat-edu{background:rgba(5,150,105,.1);color:#047857}
html[data-theme="light"] .cat-inst{background:rgba(124,58,237,.1);color:#6d28d9}
html[data-theme="light"] .cat-ent{background:rgba(217,119,6,.1);color:#b45309}

/* 解决方案 */
html[data-theme="light"] .sol-col-head{background:rgba(255,255,255,.75);border-color:var(--line);border-radius:20px}
html[data-theme="light"] .sol-row{border-bottom-color:var(--line)}
html[data-theme="light"] .sol-row:hover{background:rgba(59,130,246,.05);border-radius:14px}

/* 新闻 */
html[data-theme="light"] .news-feature{background:linear-gradient(150deg,#e0f2fe,#ede9fe 60%);border-color:var(--line);border-radius:28px}
html[data-theme="light"] .nf-slide::after{background:linear-gradient(180deg,rgba(248,250,255,.22),transparent 45%,rgba(248,250,255,.74) 80%)}
html[data-theme="light"] .nf-arrow{background:rgba(255,255,255,.72);border-color:var(--line2);color:var(--txt)}
html[data-theme="light"] .nf-arrow:hover{border-color:var(--cyan);color:var(--cyan);background:#fff}
html[data-theme="light"] .nf-tag{background:#fff;border-color:var(--line2);color:var(--cyan)}
html[data-theme="light"] .news-tabs button{background:#fff;border-color:var(--line2);border-radius:999px}
html[data-theme="light"] .news-tabs button:hover{border-color:var(--cyan);color:var(--cyan);background:#fff}
html[data-theme="light"] .news-list-item{border-bottom-color:var(--line)}
html[data-theme="light"] .news-list-item:hover{background:rgba(59,130,246,.05);border-radius:12px}
/* 浅色模式：选中态按钮为深色渐变背景 + 白色文字 */
html[data-theme="light"] .news-tabs button.on,
html[data-theme="light"] .filter-bar button.on,
html[data-theme="light"] .ind-tab.on,
html[data-theme="light"] .pg-btn.active{background:linear-gradient(135deg,#2563eb,#7c3aed);border-color:transparent;color:#fff;font-weight:700}

/* 关于/文化 */
html[data-theme="light"] .culture-item{background:#fff;border-color:var(--line);border-radius:18px}
html[data-theme="light"] .culture-item:nth-child(1){background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(59,130,246,.05))}
html[data-theme="light"] .culture-item:nth-child(2){background:linear-gradient(135deg,rgba(139,92,246,.13),rgba(34,211,238,.05))}
html[data-theme="light"] .culture-item:nth-child(3){background:linear-gradient(135deg,rgba(251,191,36,.12),rgba(249,115,22,.05))}
html[data-theme="light"] .culture-item:nth-child(4){background:linear-gradient(135deg,rgba(16,185,129,.12),rgba(34,211,238,.05))}
html[data-theme="light"] .culture-item:hover{background:#fff;border-color:var(--cyan);transform:translateY(-3px)}
html[data-theme="light"] .culture-item:nth-child(1):hover{background:linear-gradient(135deg,rgba(34,211,238,.2),rgba(59,130,246,.08))}
html[data-theme="light"] .culture-item:nth-child(2):hover{background:linear-gradient(135deg,rgba(139,92,246,.19),rgba(34,211,238,.08))}
html[data-theme="light"] .culture-item:nth-child(3):hover{background:linear-gradient(135deg,rgba(251,191,36,.17),rgba(249,115,22,.08))}
html[data-theme="light"] .culture-item:nth-child(4):hover{background:linear-gradient(135deg,rgba(16,185,129,.17),rgba(34,211,238,.08))}
html[data-theme="light"] .wolf-chip{background:#fff;border-color:var(--line2)}
html[data-theme="light"] .wolf-chip:hover{background:#fff;box-shadow:0 14px 34px rgba(37,99,235,.12)}

/* 狼性文化引用区 */
html[data-theme="light"] .wolf-band{background:linear-gradient(180deg,#eef2ff,#f0f7ff);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
html[data-theme="light"] .wolf-quote .q{color:var(--txt);text-shadow:none}

/* 联系 CTA */
html[data-theme="light"] .contact-panel{background:linear-gradient(140deg,rgba(59,130,246,.08),rgba(124,58,237,.1));border-color:var(--line2);backdrop-filter:blur(18px);border-radius:28px}
html[data-theme="light"] .contact-panel::before{background:linear-gradient(120deg,transparent 30%,rgba(59,130,246,.35),transparent 70%)}

/* 页脚 */
html[data-theme="light"] footer{background:linear-gradient(180deg,#eef2ff,#f8fafc);border-top-color:var(--line)}
html[data-theme="light"] .foot-mega .mega{background:linear-gradient(180deg,rgba(30,41,59,.2),rgba(148,163,184,.2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}

/* 详情页 */
html[data-theme="light"] .page-head{background:radial-gradient(ellipse 60% 90% at 20% 0%,rgba(59,130,246,.1),transparent)}

/* 流程/步骤/监控/拓扑 */
html[data-theme="light"] .step .dot{background:#fff;border-color:var(--line2);box-shadow:0 4px 14px rgba(37,99,235,.1)}
html[data-theme="light"] .flow-node .fn{background:#fff;border-color:var(--line2);box-shadow:0 4px 14px rgba(37,99,235,.08)}
html[data-theme="light"] .mon-cell{background:linear-gradient(160deg,#eff6ff,#f5f3ff);border-color:var(--line2);border-radius:18px}
html[data-theme="light"] .mon-cell b{color:var(--txt)}
html[data-theme="light"] .mon-cell small{color:var(--txt3)}
html[data-theme="light"] .topo{background:rgba(255,255,255,.5);border-color:var(--line2)}
html[data-theme="light"] .topo-node{background:#fff;box-shadow:0 6px 18px rgba(37,99,235,.08)}

/* 筛选/分页/工程/知识/友链 */
html[data-theme="light"] .filter-bar button{background:#fff;border-color:var(--line2)}
html[data-theme="light"] .filter-bar button:hover:not(.on){border-color:var(--cyan);color:var(--cyan);background:#fff}
html[data-theme="light"] .pg-btn{background:#fff;border-color:var(--line2)}
html[data-theme="light"] .pg-btn:hover{border-color:var(--cyan);color:var(--cyan);background:#fff}
html[data-theme="light"] .eng-card{background:rgba(255,255,255,.78);border-color:var(--line);border-radius:22px;box-shadow:0 10px 28px rgba(37,99,235,.07)}
html[data-theme="light"] .eng-card:hover{background:#fff;box-shadow:0 16px 40px rgba(37,99,235,.14)}
html[data-theme="light"] .eng-icon{background:#fff;border:1px solid var(--line2);border-radius:16px;box-shadow:0 4px 12px rgba(37,99,235,.06)}
html[data-theme="light"] .ind-tab{background:#fff;border-color:var(--line2)}
html[data-theme="light"] .ind-tab:hover{border-color:var(--cyan);color:var(--cyan);background:#fff}
html[data-theme="light"] .ind-item{background:rgba(255,255,255,.78);border-color:var(--line);border-radius:20px}
html[data-theme="light"] .ind-item:hover{background:#fff;border-color:var(--violet)}
html[data-theme="light"] .ind-item-icon{background:#fff;border:1px solid var(--line2);border-radius:14px;box-shadow:0 4px 12px rgba(37,99,235,.06)}
html[data-theme="light"] .link-chip{background:#fff;border-color:var(--line2)}
html[data-theme="light"] .link-chip:hover{background:#fff;border-color:var(--cyan);color:var(--cyan)}

/* 在线客服 / 返回顶部 */
html[data-theme="light"] #chatBtn,html[data-theme="light"] #gotop{box-shadow:0 14px 38px rgba(37,99,235,.3)}
html[data-theme="light"] #chatBtn:hover,html[data-theme="light"] #gotop:hover{box-shadow:0 20px 50px rgba(37,99,235,.4)}
html[data-theme="light"] #chatBtn .dot{border-color:#fff}
html[data-theme="light"] #chatWin{background:rgba(255,255,255,.94);border-color:var(--line2);border-radius:24px;box-shadow:0 30px 90px rgba(37,99,235,.2)}
html[data-theme="light"] .msg .m-ava{background:#fff;border-color:var(--line2)}
html[data-theme="light"] .msg .bubble{background:#fff;border-color:var(--line2);color:var(--txt)}
html[data-theme="light"] .msg.user .bubble{color:#fff;background:var(--grad);border-color:transparent}
html[data-theme="light"] .chat-chips button{background:#fff;border-color:var(--line2)}
html[data-theme="light"] .chat-chips button:hover{background:#fff;border-color:var(--cyan);color:var(--cyan)}
html[data-theme="light"] .chat-input input{background:#fff;border-color:var(--line2)}
html[data-theme="light"] .chat-input input:focus{border-color:var(--cyan)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:var(--sans);overflow-x:hidden;line-height:1.7;transition:background-color .4s,color .4s}
a{color:inherit;text-decoration:none}
::selection{background:rgba(34,211,238,.3)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--thumb);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:var(--thumb-h)}

/* ============ 布局工具 ============ */
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.view{min-height:100vh;padding-top:96px;animation:viewIn .55s cubic-bezier(.22,.9,.3,1)}
@keyframes viewIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.sec-flex{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px}
.sec-tag{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.28em;color:var(--cyan);text-transform:uppercase;margin-bottom:18px}
.sec-tag::before{content:"";width:34px;height:1px;background:var(--cyan)}
.sec-title{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.25;letter-spacing:.01em}
.sec-title .en{display:block;font-family:var(--mono);font-weight:400;font-size:.32em;color:var(--txt3);letter-spacing:.42em;margin-top:3px;text-transform:uppercase}
.gradient-text{background:linear-gradient(90deg,#22d3ee,#8b5cf6,#fb7185);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ============ 滚动进度 ============ */
#progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:1001;transition:width .1s linear}

/* ============ 导航 ============ */
header{position:fixed;top:0;left:0;right:0;z-index:900;transition:background .35s,border-color .35s,backdrop-filter .35s;border-bottom:1px solid transparent}
header.scrolled{background:var(--header-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom-color:var(--line);transition:background .35s,border-color .35s,backdrop-filter .35s}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
/* logo 贴最左：导航栏铺满全宽，随视口宽度自适应 */
header .wrap.nav{max-width:none;padding:0 32px}
@media(max-width:960px){header .wrap.nav{padding:0 20px}}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:.02em}
.logo .mark{width:42px;height:42px;border-radius:12px;background:var(--grad);display:grid;place-items:center;font-size:22px;box-shadow:0 0 24px rgba(59,130,246,.45)}
.logo img.mark{background:none;box-shadow:none;display:block;object-fit:contain}
.logo small{display:block;font-family:var(--mono);font-size:10px;font-weight:400;color:var(--txt3);letter-spacing:.1em;text-align-last:left;margin-right:-.1em}
/* 中文行与英文行等宽：容器宽度由较宽的英文行决定，中文行两端对齐铺满同宽 */
.logo span{text-align-last:justify}
.nav-links{display:flex;gap:4px;align-items:center;margin-left:auto}
.nav-links a{position:relative;padding:10px 16px;font-size:14.5px;font-weight:600;color:var(--txt2);border-radius:10px;transition:color .25s,background .25s}
.nav-links a:hover{color:var(--txt);background:var(--veil)}
.nav-links a.active{color:var(--txt);font-weight:700}
.nav-links a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--grad)}
#burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
#burger span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}
#themeToggle{width:42px;height:42px;margin-left:14px;border-radius:12px;border:1px solid transparent;background:transparent;color:var(--txt);cursor:pointer;font-size:17px;display:grid;place-items:center;transition:transform .35s,border-color .3s,color .3s,background .3s;line-height:1}
#themeToggle:hover{border-color:var(--cyan);color:var(--cyan);transform:rotate(18deg) scale(1.06)}
#themeToggle:active{transform:scale(.92)}
#themeIcon{display:grid;place-items:center}
#themeIcon svg{width:20px;height:20px;display:block;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s}
/* 页头搜索按钮：与主题按钮同族样式 */
#searchToggle{width:42px;height:42px;margin-left:10px;border-radius:12px;border:1px solid transparent;background:transparent;color:var(--txt);cursor:pointer;font-size:17px;display:grid;place-items:center;transition:transform .35s,border-color .3s,color .3s,background .3s;line-height:1;flex-shrink:0}
#searchToggle svg{width:20px;height:20px;display:block;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s}
#searchToggle:hover{border-color:var(--cyan);color:var(--cyan);transform:scale(1.06)}
#searchToggle:active{transform:scale(.92)}
@media(max-width:960px){
  .nav-links{position:fixed;top:78px;right:0;left:0;flex-direction:column;align-items:stretch;background:var(--nav-bg);backdrop-filter:blur(20px);padding:20px 24px;gap:6px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .4s cubic-bezier(.22,.9,.3,1);z-index:-1}
  .nav-links.open{transform:none}
  /* 移动端：主题按钮推开自身靠右，主题/搜索/菜单三按钮在右侧并排 */
  #themeToggle{width:38px;height:38px;margin-left:auto;margin-right:0}
  #themeIcon svg{width:19px;height:19px}
  #searchToggle{width:38px;height:38px;margin-left:2px;margin-right:2px}
  #searchToggle svg{width:19px;height:19px}
  #burger{display:flex;margin-left:2px}
}

/* ============ HERO ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding-top:78px}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(ellipse 60% 45% at 18% 22%,rgba(34,211,238,.14),transparent 60%),
  radial-gradient(ellipse 55% 50% at 85% 75%,rgba(139,92,246,.13),transparent 60%),
  radial-gradient(ellipse 40% 40% at 70% 15%,rgba(59,130,246,.12),transparent 60%),var(--bg)}
/* hero-grid 不设 z-index（避免创建层叠上下文困住内部箭头/圆点）：
   箭头 z4 / 圆点 z3 需参与全局比较浮到文字层(z2)之上，否则手机端文字会挡住箭头无法点击 */
.hero-grid{position:absolute;inset:0}
.hero-grid::after{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 75% 65% at 50% 45%,#000 30%,transparent 75%);pointer-events:none}
/* Hero 图片轮播 */
.hero-slider{position:absolute;inset:0;overflow:hidden}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.4s ease;will-change:opacity}
.hero-slide.active{opacity:1}
.hero-slide::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,18,31,.6) 0%,rgba(4,18,31,.2) 46%,rgba(4,18,31,.72) 100%)}
.hero-dots{position:absolute;left:0;right:0;bottom:26px;display:flex;justify-content:center;gap:10px;z-index:3;pointer-events:none}
.hero-dots button{pointer-events:auto;width:26px;height:5px;border-radius:3px;border:0;padding:0;background:rgba(255,255,255,.35);cursor:pointer;transition:background .3s,transform .3s}
.hero-dots button:hover{background:rgba(255,255,255,.6)}
.hero-dots button.active{background:var(--cyan);transform:scaleX(1.18)}
/* 背景图左右手动切换箭头 */
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:52px;height:52px;display:grid;place-items:center;padding:0;border-radius:50%;border:1px solid rgba(255,255,255,.22);background:rgba(4,18,31,.35);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#e8edf6;cursor:pointer;opacity:.6;transition:opacity .3s,background .3s,border-color .3s,color .3s,transform .3s}
.hero-arrow.prev{left:26px}
.hero-arrow.next{right:26px}
.hero-arrow svg{width:22px;height:22px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.hero:hover .hero-arrow,.hero-arrow:focus-visible{opacity:1}
.hero-arrow:hover{opacity:1;background:rgba(34,211,238,.2);border-color:var(--cyan);color:var(--cyan)}
.hero-arrow:active{transform:translateY(-50%) scale(.92)}
/* ≤960px：箭头移到底部两侧（避开全宽文字，用户可点；圆点居中不冲突，滚动提示仍在正中） */
@media(max-width:960px){
  .hero-arrow{width:40px;height:40px;opacity:.9;top:auto;bottom:14px;transform:none}
  .hero-arrow.prev{left:14px}
  .hero-arrow.next{right:14px}
  .hero-arrow svg{width:18px;height:18px}
  .hero-arrow:active{transform:scale(.92)}
}
.orb{position:absolute;z-index:1;pointer-events:none;border-radius:50%;filter:blur(70px);opacity:var(--orb-op);animation:drift 16s ease-in-out infinite alternate}
.orb.o1{width:420px;height:420px;background:rgba(34,211,238,.16);top:-80px;left:-100px}
.orb.o2{width:360px;height:360px;background:rgba(139,92,246,.15);bottom:-60px;right:-80px;animation-delay:-6s}
.orb.o3{width:260px;height:260px;background:rgba(59,130,246,.14);top:55%;left:62%;animation-delay:-11s}
@keyframes drift{to{transform:translate(60px,40px) scale(1.12)}}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:1000px;margin:0 auto;padding:60px 32px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:9px 20px;border:1px solid var(--line2);border-radius:999px;font-family:var(--mono);font-size:12.5px;color:var(--txt2);background:var(--veil);backdrop-filter:blur(8px);margin-bottom:34px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35}}
.hero h1{font-size:clamp(26px,4.2vw,54px);font-weight:900;line-height:1.26;letter-spacing:.01em;filter:drop-shadow(0 6px 24px rgba(4,18,31,.45))}
.hero h1 .line2{display:block;background:linear-gradient(90deg,#22d3ee,#3b82f6,#8b5cf6,#22d3ee);background-size:220% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:flow 7s linear infinite}
@keyframes flow{to{background-position:220% center}}
.hero-sub{margin:30px auto 0;max-width:640px;color:var(--txt2);font-size:clamp(15px,1.6vw,18px)}
.hero-sub .type{color:var(--cyan);font-family:var(--mono)}
.caret{display:inline-block;width:2px;height:1.1em;background:var(--cyan);vertical-align:-.18em;animation:blink 1s step-end infinite;margin-left:2px}
@keyframes blink{50%{opacity:0}}
.hero-ctas{display:flex;gap:18px;justify-content:center;margin-top:44px;flex-wrap:wrap}
.btn{position:relative;display:inline-flex;align-items:center;gap:10px;padding:15px 34px;border-radius:14px;font-weight:700;font-size:15.5px;cursor:pointer;border:0;transition:transform .3s cubic-bezier(.22,.9,.3,1),box-shadow .3s;overflow:hidden;will-change:transform}
.btn-primary{background:var(--grad);color:var(--btn-txt);box-shadow:0 6px 26px rgba(34,211,238,.32)}
.btn-primary:hover{box-shadow:0 12px 40px rgba(34,211,238,.5)}
.btn-ghost{background:var(--veil);color:var(--txt);border:1px solid var(--line2);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.scroll-cue{position:absolute;z-index:2;bottom:34px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--txt3);font-family:var(--mono);font-size:11px;letter-spacing:.3em}
.scroll-cue .mouse{width:24px;height:38px;border:1.5px solid var(--txt3);border-radius:13px;position:relative}
.scroll-cue .mouse::after{content:"";position:absolute;top:7px;left:50%;width:3px;height:7px;margin-left:-1.5px;border-radius:2px;background:var(--cyan);animation:wheel 1.6s ease infinite}
@keyframes wheel{0%{transform:translateY(0);opacity:1}70%{transform:translateY(12px);opacity:0}100%{opacity:0}}
/* 浅色主题：轮播遮罩与指示点适配 */
html[data-theme="light"] .hero-slide::before{background:linear-gradient(180deg,rgba(248,250,255,.22) 0%,rgba(248,250,255,.05) 46%,rgba(248,250,255,.32) 100%)}
html[data-theme="light"] .hero-dots button{background:rgba(4,18,31,.2)}
html[data-theme="light"] .hero-dots button.active{background:var(--cyan)}
html[data-theme="light"] .hero-arrow{background:rgba(255,255,255,.65);border-color:var(--line2);color:var(--txt)}
html[data-theme="light"] .hero-arrow:hover{background:rgba(37,99,235,.12);border-color:var(--cyan);color:var(--cyan)}

/* ============ 跑马灯 ============ */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2);overflow:hidden;padding:20px 0;position:relative}
.ticker-track{display:flex;gap:56px;width:max-content;animation:marquee 34s linear infinite;will-change:transform}
.ticker:hover .ticker-track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.ticker-item{display:flex;align-items:center;gap:16px;font-family:var(--mono);font-size:15px;letter-spacing:.14em;color:var(--txt3);white-space:nowrap}
.ticker-item b{color:var(--cyan);font-weight:600}
.ticker-item .num{font-size:11px;color:var(--txt3)}

/* ============ 区块通用间距 ============ */
.section{padding:110px 0;position:relative}
.section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 业务范围 · Bento Grid ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:170px;gap:20px;margin-top:56px}
.bento-card{position:relative;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(160deg,color-mix(in srgb,var(--c,#3b82f6) 14%,var(--panel)),var(--panel2));padding:30px;overflow:hidden;cursor:pointer;transition:transform .45s cubic-bezier(.22,.9,.3,1),border-color .45s,box-shadow .45s;display:flex;flex-direction:column}
.bento-card:hover{transform:translateY(-8px);border-color:var(--c);box-shadow:0 30px 64px -22px color-mix(in srgb,var(--c) 70%,transparent)}
.bento-card .idx{font-family:var(--mono);font-size:12px;color:var(--c);letter-spacing:.2em}
.bento-card .icon{font-size:34px;margin:14px 0 12px;width:58px;height:58px;display:grid;place-items:center;border-radius:16px;
  background:linear-gradient(150deg,color-mix(in srgb,var(--c) 26%,transparent),transparent);
  border:1px solid color-mix(in srgb,var(--c) 42%,transparent)}
.bento-card h3{font-size:21px;font-weight:800;margin-bottom:8px}
.bento-card h3 span{font-family:var(--mono);font-size:11px;font-weight:400;color:var(--txt3);letter-spacing:.16em;margin-left:10px}
.bento-card p{color:var(--txt2);font-size:14px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bento-card .go{margin-top:18px;font-family:var(--mono);font-size:12.5px;color:var(--c);display:flex;align-items:center;gap:8px;transition:gap .3s}
.bento-card:hover .go{gap:16px}
.bento-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c),transparent);opacity:.85;transition:opacity .4s}
.bento-card:hover::before{opacity:1}
.bento-card .glow{position:absolute;width:220px;height:220px;border-radius:50%;filter:blur(70px);opacity:.16;background:var(--c);transition:opacity .5s;pointer-events:none}
.bento-card:hover .glow{opacity:.3}
/* 六大业务各自主题色 */
.b-soft{--c:#3b82f6;grid-column:span 4;grid-row:span 2}
.b-web{--c:#22d3ee;grid-column:span 4;grid-row:span 2}
.b-mon,.b-monitor{--c:#34d399;grid-column:span 4;grid-row:span 2}
.b-si{--c:#8b5cf6;grid-column:span 4;grid-row:span 2}
.b-ai{--c:#f59e0b;grid-column:span 4;grid-row:span 2}
.b-train{--c:#fb7185;grid-column:span 4;grid-row:span 2}
.b-soft .glow,.b-monitor .glow,.b-ai .glow{right:-40px;bottom:-40px}
.b-web .glow,.b-si .glow,.b-train .glow{right:-40px;top:-40px}
/* Bento 卡片右上角主题装饰图（仅显示一角，不铺满） */
.bento-card::after{content:"";position:absolute;bottom:-14px;right:-14px;width:150px;height:150px;background-size:contain;background-repeat:no-repeat;background-position:right bottom;opacity:.5;pointer-events:none;transition:opacity .45s,transform .45s}
.b-soft::after{background-image:url("/assets/images/decor-soft.webp")}
.b-web::after{background-image:url("/assets/images/decor-web.webp")}
.b-monitor::after,.b-mon::after{background-image:url("/assets/images/decor-mon.png")}
.b-si::after{background-image:url("/assets/images/decor-si.png")}
.bento-card:hover::after{opacity:.72;transform:scale(1.08) rotate(-3deg)}
html[data-theme="light"] .bento-card::after{opacity:.26}
@media(max-width:1100px){.b-soft,.b-web,.b-mon,.b-monitor,.b-si,.b-ai,.b-train{grid-column:span 6;grid-row:span 2}}
@media(max-width:700px){.b-soft,.b-web,.b-mon,.b-monitor,.b-si,.b-ai,.b-train{grid-column:span 12;grid-row:span 2}.bento{grid-auto-rows:auto}}

/* ============ 数据统计带 ============ */
.stats{background:linear-gradient(120deg,rgba(34,211,238,.06),rgba(139,92,246,.06));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{text-align:center;padding:64px 20px;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:28%;bottom:28%;width:1px;background:var(--line2)}
.stat .num{font-family:var(--mono);font-size:clamp(40px,4.6vw,62px);font-weight:700;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .num .u{font-size:.42em}
.stat .lab{margin-top:14px;color:var(--txt2);font-size:14.5px}
.stat .en{font-family:var(--mono);font-size:10.5px;color:var(--txt3);letter-spacing:.26em;margin-top:2px;text-transform:uppercase}
@media(max-width:760px){.stats-row{grid-template-columns:1fr 1fr}.stat:nth-child(3)::before{display:none}}

/* ============ 产品中心 · 层级卡片 ============ */
/* 体系数据条 */
.layer-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px;
  padding:22px 30px;border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(34,211,238,.07),rgba(139,92,246,.08),rgba(244,114,182,.06));
  position:relative;overflow:hidden;
}
.layer-band::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 120px at 50% -40px,rgba(34,211,238,.15),transparent);pointer-events:none}
.lb-item{display:flex;align-items:baseline;justify-content:center;gap:10px;position:relative}
.lb-item + .lb-item::before{content:"";position:absolute;left:-8px;top:16%;bottom:16%;width:1px;background:var(--line2)}
.lb-item b{font-family:var(--mono);font-size:clamp(30px,3.4vw,44px);font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lb-item b i{font-style:normal;font-size:.45em;-webkit-text-fill-color:var(--cyan)}
.lb-item span{font-size:13.5px;color:var(--txt2);letter-spacing:.05em}

/* 层级卡片网格 */
.layer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.layer-card{
  position:relative;border-radius:22px;border:1px solid var(--line);
  background:linear-gradient(165deg,var(--panel),var(--panel2));
  padding:30px 28px 24px;overflow:hidden;display:flex;flex-direction:column;
  transition:transform .45s cubic-bezier(.22,.9,.3,1),border-color .45s,box-shadow .45s;
}
.layer-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--lc,#22d3ee),color-mix(in srgb,var(--lc,#22d3ee) 30%,transparent))}
.layer-card .glow{position:absolute;width:210px;height:210px;border-radius:50%;background:var(--lc,#22d3ee);filter:blur(85px);opacity:.1;right:-60px;top:-60px;transition:opacity .5s;pointer-events:none}
.layer-card:hover{transform:translateY(-8px);border-color:color-mix(in srgb,var(--lc,#22d3ee) 50%,var(--line));box-shadow:0 30px 60px -18px color-mix(in srgb,var(--lc,#22d3ee) 35%,transparent)}
.layer-card:hover .glow{opacity:.26}
.lc-head{display:flex;align-items:center;gap:15px;margin-bottom:16px}
.lc-ic{width:56px;height:56px;flex:none;border-radius:17px;display:grid;place-items:center;font-size:27px;background:color-mix(in srgb,var(--lc,#22d3ee) 14%,transparent);border:1px solid color-mix(in srgb,var(--lc,#22d3ee) 32%,transparent)}
.lc-name b{display:block;font-size:17.5px;font-weight:800;line-height:1.3}
.lc-name small{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--lc,#22d3ee);font-weight:700;text-transform:uppercase}
.lc-desc{flex:1;margin:0 0 18px;font-size:13.5px;line-height:1.8;color:var(--txt2)}
.lc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.lc-tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;padding:5px 12px;border-radius:999px;border:1px solid var(--line2);background:var(--veil);color:var(--txt2)}
.lc-foot{display:flex;justify-content:space-between;align-items:center;padding-top:15px;border-top:1px dashed var(--line)}
.lc-num{display:flex;align-items:baseline;gap:6px}
.lc-num b{font-family:var(--mono);font-size:32px;font-weight:800;line-height:1;color:var(--lc,#22d3ee)}
.lc-num span{font-size:12px;color:var(--txt3);letter-spacing:.1em}
.lc-more{font-family:var(--mono);font-size:12.5px;color:var(--lc,#22d3ee);display:flex;align-items:center;gap:6px;transition:gap .3s}
.layer-card:hover .lc-more{gap:12px}

/* 汇总 CTA 卡 */
.layer-card.lc-all{border-style:dashed;align-items:center;justify-content:center;text-align:center;gap:6px;background:linear-gradient(160deg,#0e1526,#141c30)}
.layer-card.lc-all::before{background:var(--grad)}
.layer-card.lc-all .glow{background:linear-gradient(120deg,#22d3ee,#8b5cf6);opacity:.16;right:-40px;top:-40px}
.layer-card.lc-all:hover{border-color:var(--line2)}
.lc-all-num{font-family:var(--mono);font-size:74px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lc-all-lab{font-size:15.5px;font-weight:700;letter-spacing:.06em;color:#fff}
.lc-all-sub{margin:0;font-size:12.5px;color:var(--txt3);line-height:1.7}
.layer-card.lc-all .btn{margin-top:16px}
html[data-theme="light"] .layer-card.lc-all{background:linear-gradient(160deg,#f6f9ff,#edf3ff);border-color:var(--line2)}
html[data-theme="light"] .layer-card.lc-all .lc-all-lab{color:var(--txt)}

@media(max-width:1100px){.layer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){
  .layer-band{grid-template-columns:1fr 1fr;gap:18px 12px}
  .lb-item{flex-direction:column;align-items:center;gap:8px}
  .lb-item:nth-child(3)::before{display:none}
}
@media(max-width:560px){.layer-grid{grid-template-columns:1fr}}

/* ============ 案例横向滚动 ============ */
.rail-wrap{margin-top:56px;position:relative}
.rail{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 4px 26px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.case-card{scroll-snap-align:start;flex:0 0 320px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(165deg,var(--panel),var(--panel2));overflow:hidden;cursor:pointer;transition:transform .4s cubic-bezier(.22,.9,.3,1),border-color .4s;position:relative}
.case-card:hover{transform:translateY(-8px) scale(1.015);border-color:var(--line2)}
.case-card .cover{height:150px;position:relative;display:grid;place-items:center;font-size:44px;overflow:hidden}
.case-card .cover::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,transparent 40%,rgba(7,11,20,.75))}
.case-card .cat{position:absolute;top:14px;left:14px;z-index:2;padding:5px 13px;border-radius:999px;font-size:11.5px;font-weight:600;backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.25)}
.case-card .body{padding:20px 22px 22px}
.case-card h4{font-size:16px;font-weight:700;line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.case-card .meta{display:flex;justify-content:space-between;color:var(--txt3);font-family:var(--mono);font-size:12px}
.case-card .meta em{font-style:normal;color:var(--cyan)}
/* 渲染懒加载（2026-10-16）：卡片封面是 CSS 背景图，浏览器不会原生懒加载，
   进页面即并发请求全部图片（首页 20 张 ~1MB、案例页更多），手机端白白消耗流量与渲染。
   content-visibility:auto 让视口外卡片跳过渲染与背景图请求，滚动临近才加载；
   contain-intrinsic-size 提供占位尺寸避免滚动条跳动。卡片上的 reveal/IO 动画不受影响。 */
.case-card{content-visibility:auto;contain-intrinsic-size:auto 320px}
.eng-card{content-visibility:auto;contain-intrinsic-size:auto 100px}
.ind-item{content-visibility:auto;contain-intrinsic-size:auto 140px}
.news-list-item{content-visibility:auto;contain-intrinsic-size:auto 92px}
.rail-btn{position:absolute;top:44%;width:48px;height:48px;border-radius:50%;border:1px solid var(--line2);background:rgba(16,24,39,.85);backdrop-filter:blur(10px);color:var(--txt);font-size:18px;cursor:pointer;display:grid;place-items:center;transition:.3s;z-index:5}
.rail-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.rail-btn.prev{left:-14px}.rail-btn.next{right:-14px}
.cat-gov{background:rgba(59,130,246,.2);color:#93c5fd}
.cat-edu{background:rgba(52,211,153,.18);color:#6ee7b7}
.cat-inst{background:rgba(139,92,246,.2);color:#c4b5fd}
.cat-ent{background:rgba(245,158,11,.18);color:#fcd34d}

/* ============ 解决方案 · 编号列表 ============ */
.sol-columns{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:56px}
.sol-col-head{position:sticky;top:110px;padding:18px 24px;border-radius:14px;background:var(--veil);border:1px solid var(--line);display:flex;align-items:center;gap:14px;margin-bottom:20px;backdrop-filter:blur(10px)}
.sol-col-head .ic{font-size:24px}
.sol-col-head h3{font-size:17px;font-weight:700}
.sol-col-head small{display:block;font-family:var(--mono);font-size:10.5px;color:var(--txt3);letter-spacing:.18em;font-weight:400}
.sol-row{display:flex;align-items:center;gap:20px;padding:19px 14px;border-bottom:1px solid var(--line);cursor:pointer;transition:.35s;border-radius:10px}
.sol-row:hover{background:var(--veil2);padding-left:24px}
.sol-row .no{font-family:var(--mono);font-size:13px;color:var(--txt3);min-width:30px;transition:.3s}
.sol-row:hover .no{color:var(--cyan)}
.sol-row .t{flex:1;font-size:15px;color:var(--txt2);transition:.3s}
.sol-row:hover .t{color:var(--txt)}
.sol-row .arrow{color:var(--txt3);transition:.3s;transform:translateX(-6px);opacity:0}
.sol-row:hover .arrow{transform:none;opacity:1;color:var(--cyan)}
.sol-row .date{font-family:var(--mono);font-size:11.5px;color:var(--txt3)}
@media(max-width:900px){.sol-columns{grid-template-columns:1fr}.sol-col-head{position:static}}

/* ============ 新闻 · 杂志式 ============ */
.news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;margin-top:56px}
.news-feature{border-radius:22px;overflow:hidden;position:relative;min-height:420px;cursor:pointer;border:1px solid var(--line);background:linear-gradient(150deg,#12233d,#0b1120 60%)}
.nf-slider{position:absolute;inset:0}
.nf-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1);transition:opacity 1.2s ease,transform 6s linear;display:flex;align-items:flex-end;text-decoration:none}
.nf-slide.active{opacity:1;transform:scale(1.06)}
.nf-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,10,18,.12),transparent 42%,var(--cover-fade) 80%)}
.news-feature .nf-body{position:relative;z-index:2;padding:34px;width:100%}
.nf-dots{position:absolute;right:18px;bottom:18px;z-index:3;display:flex;gap:8px}
.nf-dots button{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.45);border:none;padding:0;cursor:pointer;transition:.3s}
.nf-dots button.active{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.nf-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(8,15,26,.55);backdrop-filter:blur(8px);color:#fff;font-size:20px;line-height:1;cursor:pointer;display:grid;place-items:center;transition:.3s}
.nf-arrow.prev{left:16px}
.nf-arrow.next{right:16px}
.nf-arrow:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(8,15,26,.8)}
.nf-tag{display:inline-block;padding:6px 14px;border-radius:999px;background:rgba(34,211,238,.15);color:var(--cyan);font-family:var(--mono);font-size:11.5px;margin-bottom:14px;border:1px solid rgba(34,211,238,.3)}
.news-feature h3{font-size:24px;font-weight:800;line-height:1.4;margin-bottom:12px}
.news-feature p{color:var(--txt2);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nf-meta{margin-top:16px;font-family:var(--mono);font-size:12px;color:var(--txt3)}
.news-tabs{display:flex;gap:8px;margin-bottom:18px}
.news-tabs button{padding:9px 18px;border-radius:999px;border:1px solid var(--line2);background:none;color:var(--txt2);font-size:13.5px;cursor:pointer;transition:.3s;font-family:var(--sans)}
.news-tabs button.on{background:var(--grad);color:var(--btn-txt);font-weight:700;border-color:transparent}
.news-list-item{display:flex;gap:16px;align-items:flex-start;padding:16px 12px;border-radius:12px;cursor:pointer;transition:.3s;border-bottom:1px dashed var(--line)}
.news-list-item:hover{background:var(--veil2)}
.news-list-item .ni-date{font-family:var(--mono);font-size:11px;color:var(--txt3);text-align:center;min-width:52px;line-height:1.5;padding-top:3px}
.news-list-item .ni-date b{display:block;font-size:17px;color:var(--cyan)}
.news-list-item h5{font-size:14.5px;font-weight:600;color:var(--txt2);line-height:1.55;transition:.3s}
.news-list-item:hover h5{color:var(--cyan)}
.news-list-item .views{font-family:var(--mono);font-size:11px;color:var(--txt3);margin-top:6px}
@media(max-width:960px){.news-grid{grid-template-columns:1fr}}

/* ============ 关于 · 不对称分栏 ============ */
.about-split{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;margin-top:56px;align-items:start}
.about-vert{position:sticky;top:120px}
.about-vert .year{font-family:var(--mono);font-size:clamp(80px,10vw,150px);font-weight:700;line-height:.95;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.about-vert .since{font-family:var(--mono);letter-spacing:.5em;color:var(--txt3);font-size:13px;margin-top:10px}
.about-vert .wolfmark{margin-top:36px;font-size:15px;color:var(--txt2);border-left:3px solid var(--cyan);padding-left:20px;line-height:2}
.about-text p{color:var(--txt2);font-size:15.5px;margin-bottom:20px;text-align:justify}
.about-text .hl{color:var(--txt);font-weight:700}
.culture-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.culture-item{padding:20px 22px;border-radius:14px;border:1px solid var(--line);background:var(--veil);transition:.35s}
.culture-item:nth-child(1){background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(59,130,246,.06))}
.culture-item:nth-child(2){background:linear-gradient(135deg,rgba(139,92,246,.18),rgba(34,211,238,.06))}
.culture-item:nth-child(3){background:linear-gradient(135deg,rgba(251,191,36,.16),rgba(249,115,22,.05))}
.culture-item:nth-child(4){background:linear-gradient(135deg,rgba(16,185,129,.16),rgba(34,211,238,.05))}
.culture-item:hover{border-color:var(--cyan);transform:translateY(-3px)}
.culture-item:nth-child(1):hover{background:linear-gradient(135deg,rgba(34,211,238,.26),rgba(59,130,246,.1))}
.culture-item:nth-child(2):hover{background:linear-gradient(135deg,rgba(139,92,246,.26),rgba(34,211,238,.1))}
.culture-item:nth-child(3):hover{background:linear-gradient(135deg,rgba(251,191,36,.23),rgba(249,115,22,.08))}
.culture-item:nth-child(4):hover{background:linear-gradient(135deg,rgba(16,185,129,.23),rgba(34,211,238,.08))}
.culture-item b{display:block;font-size:15px;margin-bottom:6px;color:var(--cyan)}
.culture-item span{font-size:13px;color:var(--txt2)}
@media(max-width:960px){.about-split{grid-template-columns:1fr}.about-vert{position:static}}

/* ============ 狼性文化 · 卡片墙 ============ */
.wolf-band{position:relative;overflow:hidden}
.wolf-quote{max-width:860px;margin:0 auto;text-align:center;position:relative;z-index:2}
.wolf-quote .q{font-size:clamp(22px,3.2vw,34px);font-weight:800;line-height:1.6}
.wolf-quote .q::before{content:"「";color:var(--cyan)}
.wolf-quote .q::after{content:"」";color:var(--cyan)}
.wolf-quote .from{margin-top:20px;font-family:var(--mono);color:var(--txt3);font-size:13px;letter-spacing:.2em}
.wolf-chips{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:50px}
.wolf-chip{display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 28px;border-radius:16px;border:1px solid var(--line2);background:var(--veil);backdrop-filter:blur(8px);cursor:pointer;transition:.4s cubic-bezier(.22,.9,.3,1);min-width:130px}
.wolf-chip:hover{transform:translateY(-8px) rotate(-1.5deg);border-color:var(--amber);background:rgba(245,158,11,.08)}
.wolf-chip .em{font-size:28px}
.wolf-chip b{font-size:15px}
.wolf-chip small{font-family:var(--mono);font-size:10px;color:var(--txt3);letter-spacing:.2em}

/* ============ 联系 CTA · 玻璃面板 ============ */
.contact-panel{position:relative;border-radius:28px;padding:70px 60px;text-align:center;background:linear-gradient(140deg,rgba(34,211,238,.08),rgba(139,92,246,.08));border:1px solid var(--line2);overflow:hidden;backdrop-filter:blur(12px)}
.contact-panel::before{content:"";position:absolute;inset:-2px;border-radius:30px;padding:2px;background:linear-gradient(120deg,transparent 30%,rgba(34,211,238,.5),transparent 70%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.contact-panel h2{font-size:clamp(26px,3.6vw,40px);font-weight:800}
.contact-panel p{color:var(--txt2);margin-top:16px;font-size:15.5px}
.contact-phones{display:flex;gap:40px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.contact-phone{text-align:left}
.contact-phone .lab{font-family:var(--mono);font-size:11.5px;color:var(--txt3);letter-spacing:.2em;margin-bottom:8px}
.contact-phone .tel{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--cyan)}
.contact-phone .who{font-size:13px;color:var(--txt2);margin-top:6px}

/* ============ 页脚 ============ */
footer{border-top:1px solid var(--line);background:var(--bg2);margin-top:40px}
.foot-mega{padding:70px 0 30px;text-align:center;overflow:hidden}
.foot-mega .mega{font-family:var(--mono);font-size:clamp(60px,12vw,170px);font-weight:800;line-height:.95;letter-spacing:.02em;background:linear-gradient(180deg,rgba(241,245,249,.2),rgba(100,116,139,.2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;user-select:none}
.foot-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px 32px;padding-top:50px;padding-bottom:50px;border-top:1px solid var(--line)}
.foot-cols h5{font-size:14px;font-weight:700;margin-bottom:18px;color:var(--txt)}
.foot-cols a,.foot-cols p{display:block;color:var(--txt3);font-size:13.5px;margin-bottom:11px;transition:.3s}
.foot-cols a:hover{color:var(--cyan)}
.foot-base{padding-top:26px;padding-bottom:26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--txt3);font-size:12.5px;font-family:var(--mono)}
.foot-base a{color:var(--txt3)}
.foot-base a:hover{color:var(--cyan)}
/* 平板：两列 + 公司介绍整行 */
@media(max-width:900px){
  .foot-cols{grid-template-columns:1fr 1fr;gap:36px 28px}
  .foot-cols>div:first-child{grid-column:1/-1;padding-bottom:4px}
}
/* 手机：单列堆叠，导航两列，触控友好 */
@media(max-width:620px){
  .foot-mega{padding:46px 0 22px}
  footer .wrap{padding:0 20px}
  .foot-cols{grid-template-columns:1fr;gap:22px;padding-top:34px;padding-bottom:34px}
  .foot-cols h5{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:700;margin-bottom:14px}
  .foot-cols h5::before{content:"";width:18px;height:18px;flex:none;background-color:var(--cyan);-webkit-mask:var(--icon) center/contain no-repeat;mask:var(--icon) center/contain no-repeat}
  .foot-cols>div:nth-child(2) h5{--icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='3' y='3' width='7' height='7' rx='1'/%3E%3Crect x='14' y='3' width='7' height='7' rx='1'/%3E%3Crect x='14' y='14' width='7' height='7' rx='1'/%3E%3Crect x='3' y='14' width='7' height='7' rx='1'/%3E%3C/svg%3E")}
  .foot-cols>div:nth-child(3) h5{--icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M16.2 7.8l-2.3 6.1-6.1 2.3 2.3-6.1z'/%3E%3C/svg%3E")}
  .foot-cols>div:nth-child(4) h5{--icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6A19.79 19.79 0 0 1 2.12 4.18 2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72c.13.96.36 1.9.7 2.81a2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45c.91.34 1.85.57 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E")}
  .foot-cols a{display:inline-block;font-size:14px;margin:0 16px 12px 0}
  .foot-cols p{font-size:14px;margin-bottom:12px}
  .foot-nav{display:block}
  .foot-base{flex-direction:column;align-items:center;text-align:center;gap:10px;padding-top:22px;padding-bottom:22px}
}

/* ============ 详情页通用 ============ */
.page-head{padding:70px 0 50px;border-bottom:1px solid var(--line);background:radial-gradient(ellipse 60% 90% at 20% 0%,rgba(34,211,238,.07),transparent)}
.crumb{font-family:var(--mono);font-size:12px;color:var(--txt3);margin-bottom:22px;letter-spacing:.1em}
.crumb a:hover{color:var(--cyan)}
.page-head h1{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.3}
.page-head .desc{margin-top:18px;color:var(--txt2);max-width:760px;font-size:15.5px}
.prose{max-width:860px;margin:0 auto;padding:60px 32px 90px}
.prose h2{font-size:24px;font-weight:800;margin:44px 0 18px;padding-left:16px;border-left:4px solid var(--cyan)}
.prose h3{font-size:18px;font-weight:700;margin:32px 0 14px;color:var(--cyan)}
.prose p{color:var(--txt2);margin-bottom:16px;text-align:justify}
.prose ul{list-style:none;margin:16px 0}
.prose li{padding:12px 0 12px 30px;position:relative;color:var(--txt2);border-bottom:1px dashed var(--line)}
.prose li::before{content:"▸";position:absolute;left:6px;color:var(--cyan)}
.meta-line{display:flex;gap:26px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--txt3);margin-top:22px}
.meta-line b{color:var(--cyan);font-weight:600}

/* 步骤时间轴（服务流程/软件开发） */
.steps{display:flex;flex-direction:column;gap:0;max-width:760px;margin:40px auto;position:relative}
.step{display:grid;grid-template-columns:64px 1fr;gap:26px;position:relative;padding-bottom:44px}
.step::before{content:"";position:absolute;left:31px;top:60px;bottom:0;width:2px;background:linear-gradient(var(--cyan),transparent)}
.step:last-child::before{display:none}
.step .dot{width:64px;height:64px;border-radius:50%;border:2px solid var(--line2);background:var(--panel);display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:19px;color:var(--cyan);position:relative;z-index:2;transition:.35s}
.step:hover .dot{border-color:var(--cyan);box-shadow:0 0 26px rgba(34,211,238,.35);transform:scale(1.08)}
.step h3{font-size:18px;font-weight:800;margin:10px 0 10px}
.step p{color:var(--txt2);font-size:14.5px}

/* 横向流程条（网站建设） */
.flow-h{display:flex;gap:0;overflow-x:auto;padding:30px 0;margin:40px 0;gap:0;scrollbar-width:thin}
.flow-node{flex:0 0 auto;display:flex;align-items:center}
.flow-node .fn{min-width:132px;padding:22px 18px;border:1px solid var(--line2);border-radius:14px;text-align:center;background:var(--panel);transition:.35s;position:relative}
.flow-node .fn:hover{border-color:var(--cyan);transform:translateY(-6px)}
.flow-node .fn b{display:block;font-size:14.5px}
.flow-node .fn i{display:block;font-style:normal;font-family:var(--mono);font-size:10.5px;color:var(--txt3);margin-top:6px;letter-spacing:.12em}
.flow-node::after{content:"→";padding:0 12px;color:var(--cyan);font-size:16px}

/* 监控矩阵（视频监控） */
.mon-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;margin-top:40px}
.mon-cell{aspect-ratio:4/3;border-radius:14px;border:1px solid var(--line2);position:relative;overflow:hidden;background:#0a0f1c;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;transition:.4s;cursor:default}
.mon-cell:hover{border-color:var(--green);box-shadow:0 0 30px rgba(52,211,153,.2)}
.mon-cell .rec{position:absolute;top:12px;left:14px;display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:10px;color:var(--rose)}
.mon-cell .rec::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--rose);animation:pulse 1.4s infinite}
.mon-cell .em{font-size:34px}
.mon-cell b{font-size:14px;color:#d7e3f4}
.mon-cell small{font-family:var(--mono);font-size:10px;color:#7e93b5;letter-spacing:.14em}
.scanline{position:absolute;inset:0;background:linear-gradient(transparent 48%,rgba(52,211,153,.09) 50%,transparent 52%);background-size:100% 8px;pointer-events:none}

/* 节点拓扑（系统集成） */
.topo{position:relative;margin:44px auto;max-width:820px;height:460px;border:1px dashed var(--line2);border-radius:22px;background:radial-gradient(circle at 50% 45%,rgba(139,92,246,.08),transparent 65%)}
.topo-node{position:absolute;padding:14px 22px;border-radius:12px;border:1px solid var(--line2);background:var(--panel);font-size:14px;font-weight:600;transition:.35s;cursor:default;white-space:nowrap}
.topo-node small{display:block;font-family:var(--mono);font-size:10px;color:var(--txt3);font-weight:400;letter-spacing:.12em}
.topo-node:hover{border-color:var(--violet);box-shadow:0 0 28px rgba(139,92,246,.3);z-index:3}
.topo-center{left:50%;top:50%;transform:translate(-50%,-50%);border-color:var(--cyan);background:linear-gradient(140deg,rgba(34,211,238,.14),var(--panel));z-index:2}
.topo-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.topo-svg line{stroke:rgba(139,92,246,.35);stroke-width:1.5;stroke-dasharray:6 6;animation:dashmove 1.6s linear infinite}
@keyframes dashmove{to{stroke-dashoffset:-24}}

/* 案例筛选 & 网格 */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin:40px 0 30px}
.filter-bar button{padding:10px 22px;border-radius:999px;border:1px solid var(--line2);background:none;color:var(--txt2);cursor:pointer;font-size:13.5px;transition:.3s;font-family:var(--sans)}
.filter-bar button.on{background:var(--grad);color:var(--btn-txt);font-weight:700;border-color:transparent}
.filter-bar button:hover:not(.on){border-color:var(--cyan);color:var(--cyan)}
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;padding-bottom:80px}

/* 新闻页两栏 */
.dual-col{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:56px 0 80px}
@media(max-width:900px){.dual-col{grid-template-columns:1fr}}

/* 揭示动画 */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.22,.9,.3,1),transform .8s cubic-bezier(.22,.9,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}

/* 浮动按钮组：在线客服 + 返回顶部 */
#fabGroup{position:fixed;right:28px;bottom:28px;display:flex;flex-direction:column;align-items:center;gap:14px;z-index:900}
/* 返回顶部：与在线客服按钮统一风格 */
#gotop{width:56px;height:56px;border-radius:50%;border:0;background:var(--grad);color:#fff;cursor:pointer;display:grid;place-items:center;opacity:0;pointer-events:none;transition:transform .35s,box-shadow .35s,opacity .35s;box-shadow:0 10px 32px rgba(34,211,238,.38)}
#gotop.show{opacity:1;pointer-events:auto}
#gotop:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 16px 42px rgba(34,211,238,.5)}
#gotop:active{transform:scale(.92)}
#gotop svg{width:26px;height:26px;fill:#fff}

/* ============ 在线客服 ============ */
#chatBtn{position:relative;width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;background:var(--grad);color:#fff;box-shadow:0 10px 32px rgba(34,211,238,.38);transition:transform .35s,box-shadow .35s}
#chatBtn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 16px 42px rgba(34,211,238,.5)}
#chatBtn:active{transform:scale(.92)}
#chatBtn svg{width:26px;height:26px;fill:#fff}
#chatBtn .dot{position:absolute;top:3px;right:3px;width:12px;height:12px;border-radius:50%;background:var(--green);border:2.5px solid var(--bg)}
#chatBtn::after{content:"";position:absolute;inset:-2px;border-radius:50%;border:2px solid var(--cyan);opacity:0;animation:chatPulse 2.6s ease-out infinite}
@keyframes chatPulse{0%{transform:scale(1);opacity:.55}70%{transform:scale(1.45);opacity:0}100%{transform:scale(1.45);opacity:0}}
#chatWin{position:fixed;right:28px;bottom:170px;width:min(384px,calc(100vw - 40px));height:min(568px,calc(100vh - 210px));border-radius:22px;border:1px solid var(--line2);background:var(--panel);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 30px 90px rgba(0,0,0,.5);z-index:950;display:flex;flex-direction:column;overflow:hidden;transform-origin:100% 100%;transform:scale(.82) translateY(24px);opacity:0;pointer-events:none;transition:transform .38s cubic-bezier(.22,.9,.3,1),opacity .3s}
#chatWin.open{transform:scale(1) translateY(0);opacity:1;pointer-events:auto}
.chat-head{display:flex;align-items:center;gap:12px;padding:16px 18px;background:var(--grad);color:#fff;flex:none}
.chat-head .ava{width:42px;height:42px;border-radius:14px;background:rgba(255,255,255,.18);display:grid;place-items:center;font-size:22px;flex:none;border:1px solid rgba(255,255,255,.25)}
.chat-head .ava img{width:100%;height:100%;object-fit:contain;border-radius:10px}
.chat-head .who{flex:1;min-width:0}
.chat-head .who b{display:block;font-size:15px}
.chat-head .who small{display:flex;align-items:center;gap:6px;font-size:11.5px;opacity:.92;font-family:var(--mono);letter-spacing:.06em}
.chat-head .who small::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 8px #4ade80}
.chat-head .chat-close{width:34px;height:34px;border-radius:10px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);color:#fff;cursor:pointer;font-size:15px;transition:.25s;flex:none;line-height:1}
.chat-head .chat-close:hover{background:rgba(255,255,255,.28);transform:rotate(90deg)}
.chat-body{flex:1;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;scroll-behavior:smooth}
.chat-time{text-align:center;font-family:var(--mono);font-size:10.5px;color:var(--txt3);margin-bottom:14px;letter-spacing:.1em}
.msg{display:flex;gap:9px;margin-bottom:14px;max-width:88%;animation:msgIn .32s cubic-bezier(.22,.9,.3,1)}
@keyframes msgIn{from{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:none}}
.msg .m-ava{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:16px;flex:none;background:var(--veil);border:1px solid var(--line)}
.msg .m-ava .m-logo{width:100%;height:100%;object-fit:contain;border-radius:8px;padding:4px}
.msg .bubble{padding:11px 14px;border-radius:4px 16px 16px 16px;background:var(--panel2);border:1px solid var(--line);font-size:13.5px;line-height:1.65;color:var(--txt);word-break:break-word}
.msg .bubble a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.msg .bubble b{color:var(--cyan);font-family:var(--mono)}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg.user .bubble{background:var(--grad);border:0;color:#fff;border-radius:16px 4px 16px 16px}
.msg.user .m-ava{background:var(--veil2)}
.msg.typing .bubble{display:flex;gap:5px;align-items:center;padding:14px 16px}
.msg.typing .bubble i{width:7px;height:7px;border-radius:50%;background:var(--txt3);animation:typing 1.2s infinite}
.msg.typing .bubble i:nth-child(2){animation-delay:.18s}
.msg.typing .bubble i:nth-child(3){animation-delay:.36s}
@keyframes typing{0%,60%,100%{transform:none;opacity:.4}30%{transform:translateY(-5px);opacity:1}}
.chat-chips{flex:none;display:flex;flex-wrap:wrap;gap:8px;padding:10px 14px;border-top:1px solid var(--line)}
.chat-chips button{flex:none;padding:7px 14px;border-radius:999px;border:1px solid var(--line2);background:var(--veil);color:var(--txt2);font-size:12px;cursor:pointer;transition:.25s;font-family:var(--sans)}
.chat-chips button:hover{border-color:var(--cyan);color:var(--cyan);background:var(--veil2);transform:translateY(-2px)}
.chat-input{flex:none;display:flex;gap:10px;padding:12px 14px;border-top:1px solid var(--line)}
.chat-input input{flex:1;min-width:0;padding:11px 16px;border-radius:999px;border:1px solid var(--line2);background:var(--veil);color:var(--txt);font-size:13.5px;font-family:var(--sans);outline:none;transition:border-color .3s}
.chat-input input:focus{border-color:var(--cyan)}
.chat-input input::placeholder{color:var(--txt3)}
.chat-input button{width:44px;height:44px;border-radius:50%;border:0;background:var(--grad);color:#fff;cursor:pointer;display:grid;place-items:center;flex:none;transition:transform .25s,box-shadow .25s}
.chat-input button:hover{transform:scale(1.08);box-shadow:0 6px 18px rgba(34,211,238,.4)}
.chat-input button:active{transform:scale(.92)}
.chat-input button svg{width:19px;height:19px;fill:#fff}
@media(max-width:640px){
  #fabGroup{right:16px;left:auto;bottom:18px;transform:none;flex-direction:column}
  #chatWin{right:12px;left:12px;width:auto;bottom:160px}
}
@media (prefers-reduced-motion:reduce){#chatBtn::after{animation:none}.msg{animation:none}}

/* ===== 首页新增组件 ===== */
/* 工程案例网格 */
.eng-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.eng-card{display:flex;gap:14px;padding:18px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);transition:.3s;text-decoration:none;color:var(--txt)}
.eng-card:hover{border-color:var(--cyan);transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.3)}
.eng-icon{flex:none;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:26px;background:var(--veil2)}
.eng-info{min-width:0}
.eng-info h5{font-size:15px;font-weight:700;margin-bottom:4px;color:var(--txt)}
.eng-cat{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;margin-bottom:6px}
.eng-cat.gov{background:rgba(59,130,246,.16);color:#60a5fa}
.eng-cat.edu{background:rgba(52,211,153,.16);color:#6ee7b7}
.eng-cat.inst{background:rgba(139,92,246,.16);color:#a78bfa}
.eng-cat.ent{background:rgba(245,158,11,.16);color:#fbbf24}
.eng-info p{font-size:12.5px;color:var(--txt2);line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.eng-meta{display:flex;gap:14px;font-size:11px;color:var(--txt3)}

/* 行业知识 Tab */
.ind-tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.ind-tab{padding:7px 18px;border-radius:999px;border:1px solid var(--line2);background:var(--veil);color:var(--txt2);font-size:13px;cursor:pointer;transition:.25s;font-family:var(--sans)}
.ind-tab:hover{border-color:var(--cyan);color:var(--cyan)}
.ind-tab.on{background:var(--grad);border-color:transparent;color:#fff;font-weight:600}
.ind-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.ind-item{display:flex;gap:14px;padding:16px;border-radius:16px;background:var(--panel);border:1px solid var(--line);transition:.3s;text-decoration:none;color:var(--txt)}
.ind-item:hover{border-color:var(--violet);transform:translateY(-2px)}
.ind-item-icon{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:20px;background:var(--veil2)}
.ind-item-body{min-width:0}
.ind-item-body h5{font-size:14px;font-weight:600;margin-bottom:4px;color:var(--txt);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.ind-item-body p{font-size:12px;color:var(--txt2);line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ind-item-meta{font-size:11px;color:var(--txt3)}

/* 友情链接 */
.links-grid{display:flex;flex-wrap:wrap;gap:10px}
.link-chip{display:inline-flex;align-items:center;padding:8px 18px;border-radius:999px;border:1px solid var(--line2);background:var(--veil);color:var(--txt2);font-size:13px;text-decoration:none;transition:.25s;font-family:var(--sans)}
.link-chip:hover{border-color:var(--cyan);color:var(--cyan);background:var(--veil2);transform:translateY(-2px)}

/* 案例卡片浏览量 */
.case-card .views{font-size:11px;color:var(--txt3);margin-top:4px}

/* ===== 分页组件 ===== */
.pagination{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:32px;flex-wrap:wrap}
.pg-btn{min-width:38px;height:38px;padding:0 12px;border-radius:10px;border:1px solid var(--line2);background:var(--veil);color:var(--txt2);font-size:14px;cursor:pointer;transition:.25s;font-family:var(--sans);display:grid;place-items:center}
.pg-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.pg-btn.active{background:var(--grad);border-color:transparent;color:#fff;font-weight:700}
.pg-btn:disabled{opacity:.35;cursor:not-allowed}
.pg-btn:disabled:hover{border-color:var(--line2);color:var(--txt2)}
.pg-info{font-size:12px;color:var(--txt3);margin:0 10px}

/* ================================================================
   动效增强层 —— 动感 / 时尚感
   进入视口的动画由 app.js 的 IntersectionObserver 触发；
   尊重系统“减少动态效果”设置（见底部媒体查询）。
   ================================================================ */

/* ---- 1. 揭示动画：多方向变体 ---- */
.reveal{backface-visibility:hidden}
.reveal.left{transform:translateX(-48px)}
.reveal.right{transform:translateX(48px)}
.reveal.down{transform:translateY(-34px)}
.reveal.zoom{transform:scale(.9)}
.reveal.blur{transform:translateY(30px);filter:blur(12px)}
.reveal.in{opacity:1;transform:none;filter:none}
/* ===== 动效增强（2026-09 优化） ===== */
/* 英雄图入场：纯 CSS，加载即播放且收尾保持可见，对爬虫/无 JS 友好 */
@keyframes imgIn{from{opacity:0;transform:scale(1.08);filter:blur(8px)}to{opacity:1;transform:none;filter:none}}
@keyframes heroZoom{from{transform:scale(1.14)}to{transform:scale(1)}}
.about-art img{animation:imgIn 1s cubic-bezier(.22,.9,.3,1) .14s both}
.cd-hero .cd-cover,.art-hero .art-cover{animation:imgIn 1.1s cubic-bezier(.22,.9,.3,1) both}
.hero-bg{animation:heroZoom 1.5s ease both}
/* 数字滚动统计：等宽数字避免跳动 */
.fact b,[data-count]{font-variant-numeric:tabular-nums}
/* 卡片图片悬停放大 + 整卡上浮 */
.thumb{overflow:hidden}
.thumb img{transition:transform .6s cubic-bezier(.22,.9,.3,1);display:block}
.thumb:hover img{transform:scale(1.06)}
.case-card,.news-list-item,.product-card,.biz-card,.sol-card,.eng-card,.ind-item,.mag-item,.ip-card,.sub-head,.culture-item,.team-card,.value-card,.step-card,.about-card,.service-card{transition:transform .4s cubic-bezier(.22,.9,.3,1),box-shadow .4s}
.case-card:hover,.news-list-item:hover,.product-card:hover,.biz-card:hover,.sol-card:hover,.eng-card:hover,.ind-item:hover,.mag-item:hover,.ip-card:hover,.sub-head:hover,.culture-item:hover,.team-card:hover,.value-card:hover,.step-card:hover,.about-card:hover,.service-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px -20px rgba(0,0,0,.55)}

/* ---- 2. 错峰入场：容器 .stagger 内的子项依次出现（app.js 自动标记） ---- */
.stagger > .reveal:nth-child(1){transition-delay:.00s}
.stagger > .reveal:nth-child(2){transition-delay:.09s}
.stagger > .reveal:nth-child(3){transition-delay:.18s}
.stagger > .reveal:nth-child(4){transition-delay:.27s}
.stagger > .reveal:nth-child(5){transition-delay:.36s}
.stagger > .reveal:nth-child(6){transition-delay:.45s}
.stagger > .reveal:nth-child(7){transition-delay:.54s}
.stagger > .reveal:nth-child(8){transition-delay:.63s}
.stagger > .reveal:nth-child(9){transition-delay:.72s}
.stagger > .reveal:nth-child(10){transition-delay:.81s}
.stagger > .reveal:nth-child(11){transition-delay:.90s}
.stagger > .reveal:nth-child(12){transition-delay:.99s}
/* 移动端滚动列表内容优先：去掉逐项错峰延迟（手机上滚动到哪卡片就立即出现，
   避免每张卡带 0.1~1s 动画起步延迟造成"加载缓慢"的体感；PC 端保持错峰节奏） */
@media(max-width:960px){
  .stagger > .reveal{transition-delay:0s !important}
}

/* ---- 3. 渐变文字：统一为静态三色渐变（与各页 Hero 标题一致） ---- */
.gradient-text{background-size:auto;animation:none}

/* ---- 4. 按钮光泽扫光 ---- */
.btn{isolation:isolate}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 32%,rgba(255,255,255,.5) 50%,transparent 68%);transform:translateX(-130%);transition:transform .65s ease;pointer-events:none;z-index:-1}
.btn:hover::after{transform:translateX(130%)}

/* ---- 5. 导航下划线绘制动画 ---- */
.nav-links a{position:relative}
.nav-links a::after{content:"";position:absolute;left:16px;right:16px;bottom:-3px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left center;transition:transform .4s cubic-bezier(.22,.9,.3,1)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}

/* ---- 6. 卡片图片悬停缩放（app.js 将图片包裹进 .zoomwrap） ---- */
.zoomwrap{display:block;overflow:hidden;line-height:0;border-radius:inherit;max-width:100%}
.zoomwrap img{display:block;max-width:100%;transition:transform .75s cubic-bezier(.22,.9,.3,1)}
a:hover .zoomwrap img,.zoomwrap:hover img{transform:scale(1.09)}

/* ---- 7. 滚动进度条发光 ---- */
#progress{box-shadow:0 0 12px rgba(34,211,238,.75);transition:width .12s linear}

/* ---- 8. 页面加载淡入 ---- */
body.lb-ready{animation:pageIn .55s ease both}
@keyframes pageIn{from{opacity:0}to{opacity:1}}

/* ---- 9. 首屏内容入场（hero / 内页页头） ---- */
.hero-inner > *,.page-head .inner > *,.sol-hero .inner > *,.biz-hero .inner > *,.cases-hero .inner > *,.about-hero .inner > *,.news-hero .masthead > *,.ip-hero .inner > *{opacity:0;animation:heroUp .85s cubic-bezier(.22,.9,.3,1) both}
.hero-inner > *:nth-child(1),.page-head .inner > *:nth-child(1),.sol-hero .inner > *:nth-child(1),.biz-hero .inner > *:nth-child(1),.cases-hero .inner > *:nth-child(1),.about-hero .inner > *:nth-child(1),.news-hero .masthead > *:nth-child(1),.ip-hero .inner > *:nth-child(1){animation-delay:.06s}
.hero-inner > *:nth-child(2),.page-head .inner > *:nth-child(2),.sol-hero .inner > *:nth-child(2),.biz-hero .inner > *:nth-child(2),.cases-hero .inner > *:nth-child(2),.about-hero .inner > *:nth-child(2),.news-hero .masthead > *:nth-child(2),.ip-hero .inner > *:nth-child(2){animation-delay:.16s}
.hero-inner > *:nth-child(3),.page-head .inner > *:nth-child(3),.sol-hero .inner > *:nth-child(3),.biz-hero .inner > *:nth-child(3),.cases-hero .inner > *:nth-child(3),.about-hero .inner > *:nth-child(3),.news-hero .masthead > *:nth-child(3),.ip-hero .inner > *:nth-child(3){animation-delay:.26s}
.hero-inner > *:nth-child(4),.page-head .inner > *:nth-child(4),.sol-hero .inner > *:nth-child(4),.biz-hero .inner > *:nth-child(4),.cases-hero .inner > *:nth-child(4),.about-hero .inner > *:nth-child(4),.news-hero .masthead > *:nth-child(4),.ip-hero .inner > *:nth-child(4){animation-delay:.36s}
.hero-inner > *:nth-child(5){animation-delay:.46s}
@keyframes heroUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}

/* ---- 9b. 详情页 / 产品首屏入场 ---- */
.ph-hero .wrap > *,.cd-hero .wrap > *,.art-hero .wrap > *{opacity:0;animation:heroUp .85s cubic-bezier(.22,.9,.3,1) both}
.ph-hero .wrap > *:nth-child(1),.cd-hero .wrap > *:nth-child(1),.art-hero .wrap > *:nth-child(1){animation-delay:.06s}
.ph-hero .wrap > *:nth-child(2),.cd-hero .wrap > *:nth-child(2),.art-hero .wrap > *:nth-child(2){animation-delay:.16s}
.ph-hero .wrap > *:nth-child(3),.cd-hero .wrap > *:nth-child(3),.art-hero .wrap > *:nth-child(3){animation-delay:.26s}
.ph-hero .wrap > *:nth-child(4),.cd-hero .wrap > *:nth-child(4),.art-hero .wrap > *:nth-child(4){animation-delay:.36s}
.ph-hero .wrap > *:nth-child(5),.cd-hero .wrap > *:nth-child(5),.art-hero .wrap > *:nth-child(5){animation-delay:.46s}

/* ---- 10. 装饰光斑增强视差感 ---- */
.orb{will-change:transform}

/* ================================================================
   减少动态效果（无障碍）
   ================================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.001s !important;scroll-behavior:auto !important}
  .reveal{opacity:1 !important;transform:none !important;filter:none !important}
  .gradient-text{animation:none !important;background-size:auto !important}
  .btn::after{display:none !important}
  .nav-links a::after{display:none !important}
  .zoomwrap img{transform:none !important}
  .hero-inner > *,.page-head .inner > *,.sol-hero .inner > *,.biz-hero .inner > *,.cases-hero .inner > *,.about-hero .inner > *,.news-hero .masthead > *,.ip-hero .inner > *,.ph-hero .wrap > *,.cd-hero .wrap > *,.art-hero .wrap > *{animation:none !important;opacity:1 !important;transform:none !important}
  .orb{animation:none !important}
  body.lb-ready{animation:none !important}
}

/* ================================================================
   全站移动端精调（≤600px 手机版）
   原则：不简单缩放 —— 重新排版、上下堆叠、收紧留白、保证触控尺寸
   ================================================================ */
@media(max-width:600px){
  /* ---- 全局骨架 ---- */
  .wrap{padding:0 20px}
  .section{padding:60px 0}
  .view{padding-top:84px}
  .sec-flex{flex-direction:column;align-items:center;text-align:center}
  .sec-sub{text-align:center}
  .sec-tag{display:flex;width:100%;justify-content:center;font-size:11px;letter-spacing:.24em}
  .sec-title{font-size:clamp(23px,7.4vw,30px);text-align:center}
  .sec-title .en{display:block;margin-top:2px;font-size:11px;letter-spacing:.08em}
  .ticker{padding:16px 0}
  .btn{padding:13px 26px;font-size:14.5px}

  /* ---- 首页 HERO：不再强制整屏，内容收敛 ---- */
  .hero{min-height:auto;padding:118px 0 88px}
  .hero-inner{padding:30px 12px}
  .hero-badge{font-size:10.5px;padding:7px 13px;margin-bottom:24px;text-align:center}
  .hero h1{font-size:clamp(20px,5.6vw,32px);line-height:1.3}
  .hero-sub{font-size:14.5px;line-height:1.95;margin-top:22px}
  .hero-ctas{flex-direction:column;align-items:stretch;gap:12px;margin:30px auto 0;width:100%;max-width:320px}
  .hero-ctas .btn{width:100%;justify-content:center}
  .scroll-cue{display:none}

  /* ---- 各内页 HERO 顶部留白收紧 ---- */
  .page-head{padding:104px 0 46px}
  .sol-hero{padding:104px 0 54px}
  .biz-hero{padding:108px 0 64px}
  .cases-hero{padding:104px 0 44px}
  .about-hero{padding:106px 0 60px}
  .ct-hero{padding:96px 0 56px}
  .art-hero{padding:112px 0 42px}
  .cd-hero{padding:116px 0 46px}
  .crumb{display:flex;flex-wrap:wrap;gap:4px;font-size:11.5px;margin-bottom:18px}

  /* ---- 内页 HERO 标题文字居中 ---- */
  .cases-hero{text-align:center}
  .cases-hero .sub{margin-left:auto;margin-right:auto}
  .sol-hero{text-align:center}
  .sol-hero .sub{margin-left:auto;margin-right:auto}
  .about-hero{text-align:center}
  .about-hero .sub{margin-left:auto;margin-right:auto}
  .ct-hero{text-align:center}
  .ct-hero .sub{margin-left:auto;margin-right:auto}
  .ct-hero .quick-tel{justify-content:center}
  .news-hero{text-align:center}
  .news-hero .masthead{flex-direction:column;text-align:center;padding-bottom:30px}
  .news-hero .wrap .masthead{align-items:center}
  .news-hero .wrap .masthead .meta{text-align:center}
  .ph-hero{text-align:center}
  .ph-hero .sub{margin-left:auto;margin-right:auto}
  .ph-hero .ph-stats{justify-content:center}
  .ph-hero .ph-cta{justify-content:center}

  /* ---- 技术标签 · 手机端美化 ---- */
  .chips{gap:8px}
  .chip{padding:6px 13px;font-size:12px;line-height:1.6;letter-spacing:.01em;
    background:linear-gradient(160deg,rgba(34,211,238,.14),rgba(139,92,246,.09));
    border-color:rgba(34,211,238,.28)}
  .chip::before{width:5px;height:5px;box-shadow:0 0 8px var(--cyan)}
  .chip:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}

  /* ---- 统计带 ---- */
  .stat{padding:44px 12px}
  .stat .num{font-size:clamp(34px,11vw,44px)}
  .stat .lab{font-size:13px;margin-top:10px}
  .stat .en{font-size:9px;letter-spacing:.18em}

  /* ---- 新闻 / 案例 ---- */
  .news-grid{gap:26px;margin-top:38px}
  .news-feature{min-height:300px}
  .news-feature .nf-body{padding:26px 22px}
  .news-feature h3{font-size:20px}
  .nf-dots{right:14px;bottom:14px}
  .nf-arrow{width:38px;height:38px;font-size:17px}
  .nf-arrow.prev{left:12px}
  .nf-arrow.next{right:12px}
  .news-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
  .news-tabs button{font-size:12.5px;padding:8px 15px}
  .filter-bar{gap:8px;margin:30px 0 22px}
  .filter-bar button{font-size:12.5px;padding:9px 16px}
  .case-grid{gap:16px;padding-bottom:64px}
  .case-card{flex-basis:280px}
  .case-card .body{padding:16px 18px 18px}
  .case-grid-big{grid-template-columns:1fr;gap:18px;padding:36px 0 70px}
  .case-card.big .cover{height:170px;font-size:44px}
  .filter-zone .filter-bar{flex-wrap:wrap;overflow-x:visible;padding-bottom:0}
  .filter-zone .filter-bar button{flex:none}
  .case-stat-cell{padding:22px 10px}
  .case-stat-cell b{font-size:24px}
  .case-stat-cell .em{font-size:20px}
  .case-stat-cell span{font-size:12px}

  /* ---- 内容排印 ---- */
  .prose{padding:40px 0 64px}
  .prose h2{font-size:20px}
  .prose p{font-size:14.5px}
  .wrap.art-body,.wrap.cd-body{padding:40px 20px 72px;gap:34px}
  .art-prose p,.cd-prose p{font-size:14.5px}
  .art-prose .lead{font-size:16px;line-height:1.95;padding-left:14px}
  .art-prose h2,.cd-prose h2{font-size:19px;padding-left:12px}
  .art-side .cta-mini{padding:20px}
  .cd-meta span{padding:8px 14px;font-size:12px}
  .cd-info-card{padding:20px}
  .cd-contact{padding:20px}

  /* ---- 步骤时间轴：图标缩小、间距收紧 ---- */
  .steps{margin:28px auto 40px}
  .step{grid-template-columns:46px 1fr;gap:16px;padding-bottom:34px}
  .step::before{left:22px}
  .step .dot{width:46px;height:46px;font-size:15px}

  /* ---- 拓扑图：节点由绝对定位改为流式两列 ---- */
  .topo{height:auto;padding:16px;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
  .topo-node{position:static;transform:none;width:calc(50% - 5px);padding:12px 8px;text-align:center;white-space:normal}
  .topo-center{width:100%;order:-1}
  .topo-svg{display:none}

  /* ---- 业务页 ---- */
  .biz{padding:64px 0}
  .biz-entries{gap:12px;margin-top:38px}
  .biz-entry{padding:22px 12px}
  .biz-entry .em{font-size:30px}
  .soft-feats,.mon-feats,.web-cols{grid-template-columns:1fr}
  .soft-feat{padding:18px}
  .mon-feat{padding:12px 14px}
  .web-col{padding:22px}
  .gbadge{font-size:12px;padding:8px 14px}
  .si-cards{gap:12px;margin-top:36px}
  .eng-card{padding:16px}

  /* ---- 关于页 ---- */
  .blk{margin-bottom:64px}
  .blk-head{padding:20px;margin-bottom:30px}
  .wolf-band-bg{padding:40px 18px;border-radius:16px}
  .wolf-grid{grid-template-columns:1fr}
  .wolf-card{padding:18px}
  .tl-card{padding:18px 14px}
  .facts{justify-content:center;gap:20px;text-align:center}
  .about-hero .fact{display:flex;flex-direction:column;align-items:center}
  .about-hero .fact b{font-size:26px}

  /* ---- 联系方式 ---- */
  .ct-hero .inner{gap:40px}
  .ct-hero .qt{padding:16px 18px}
  .ct-hero .qt .tel{font-size:21px}
  .ct-hero .quick-tel{gap:12px;margin-top:30px}
  .contact-panel{padding:44px 20px}
  .contact-panel h2{font-size:24px}
  .contact-phones{flex-direction:column;gap:18px;align-items:center}
  .contact-phone{text-align:center}
  .ct-cards{gap:14px}
  .ct-card{padding:22px 20px}
  .ct-card .big-tel{font-size:23px}
  .ct-band{padding:26px 20px;gap:22px}

  /* ---- 产品中心 ---- */
  .ph-hero{padding:106px 0 60px}
  .ph-hero .sub{font-size:15px}
  .ph-stats{gap:12px;margin-top:28px}
  .ph-stat{min-width:calc(50% - 6px);padding:14px 16px}
  .ph-stat b{font-size:23px}
  .lb-nav{top:76px}
  .lb-nav .wrap{padding:9px 4px}
  .lb-nav .wrap{flex-wrap:wrap;overflow-x:visible;gap:6px 4px}
  .lb-nav a{font-size:13px;padding:8px 13px}
  .lp-sec{padding:56px 0 18px}
  .lp-head{flex-direction:column;gap:16px;margin-bottom:26px}
  .lp-num{width:58px;height:58px;font-size:24px;border-radius:16px}
  .lp-head h2{font-size:clamp(22px,7vw,27px)}
  .flow-h{flex-wrap:wrap;overflow-x:visible;justify-content:center;gap:10px;margin:24px 0;padding:22px 0}
  .flow-node{flex:none;width:calc(50% - 5px)}
  .flow-node .fn{width:100%;min-width:0;padding:18px 14px}
  .flow-node::after{display:none}
  .sol-row{flex-wrap:wrap;row-gap:8px;column-gap:20px;padding:16px 6px}
  .sol-row .t{order:2;flex:1;min-width:0}
  .sol-row .no{order:1}
  .sol-row .arrow{order:3}
  .sol-row .date{order:4;flex-basis:100%;margin-left:50px}
  .rail-btn{display:none}
  .rail{flex-wrap:wrap;overflow-x:visible;scroll-snap-type:none;gap:18px;padding-bottom:4px}
  .rail .case-card{flex:0 0 100%;scroll-snap-align:none}
  /* 竖排模式下只展示前 6 张：20 张全量堆叠会让本区块高 6000px+（且曾触发 reveal 动画
     永不命中的 bug），完整列表请点上方「全部案例 →」 */ 
  .rail .case-card:nth-child(n+7){display:none}

  /* ---- 页脚顶部大字 ---- */
  .foot-mega .mega{font-size:clamp(46px,16vw,72px)}
}

/* ===== 移动端安全网：媒体元素永不撑破容器 ===== */
img{max-width:100%;height:auto}
iframe,video,table{max-width:100%}