/* ============================================================
   方寻智能科技官网 · V5 亮色版
   设计语言：白底 + 科技蓝 #1A6DF0 + 深藏青 #0B1B33
   首页整屏翻页；子页面常规滚动；导航主标题+下拉子标题
   ============================================================ */
:root{
  --blue:#1A6DF0; --blue2:#3E8BFF; --blue-d:#0F4DC0;
  --ink:#0B1B33; --muted:#5B6C86;
  --line:#E4EBF7; --tint:#F3F7FF; --bg:#FFFFFF;
  --shadow:0 10px 40px rgba(26,109,240,.10);
  --r:16px;
  --mono:'JetBrains Mono','Cascadia Code',Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none}
em{font-style:normal;color:var(--blue);background:linear-gradient(transparent 66%,rgba(26,109,240,.16) 0);padding:0 3px;border-radius:2px}
.mono{font-family:var(--mono)}

/* ============ 顶部导航：白色 + 下拉子菜单 ============ */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;height:76px;display:flex;align-items:center;gap:36px;
  padding:0 4vw;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-logo img{height:46px;width:auto}
.nav-logo span{font-size:19px;font-weight:800;letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.ni{position:relative}
.ni>a{display:flex;align-items:center;gap:5px;padding:28px 16px;font-size:15.5px;font-weight:600;color:var(--ink);transition:color .2s}
.ni>a .caret{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.45;transition:transform .25s}
.ni:hover>a,.ni>a.active{color:var(--blue)}
.ni:hover>a .caret{transform:rotate(225deg) translateY(-1px)}
/* 下拉面板 */
.sub{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);min-width:208px;background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(11,27,51,.14);
  padding:10px;opacity:0;visibility:hidden;transition:.25s}
.ni:hover .sub{opacity:1;visibility:visible;transform:translate(-50%,0)}
.sub a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;font-size:14.5px;color:var(--ink);transition:.18s}
.sub a i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--blue);opacity:.7}
.sub a:hover{background:var(--tint);color:var(--blue);padding-left:18px}
.sub a.soon{opacity:.55}
.sub a.soon:hover{background:none;color:var(--ink);padding-left:14px}
.sub a.soon::after{content:'建设中';margin-left:auto;font-size:11px;color:#B8C4D8}
.sub.sub-long{max-height:440px;overflow-y:auto}
.nav-cta{flex-shrink:0;background:var(--blue);color:#fff;font-size:14.5px;font-weight:700;padding:11px 22px;border-radius:99px;transition:.2s;box-shadow:0 6px 18px rgba(26,109,240,.35)}
.nav-cta:hover{background:var(--blue-d);transform:translateY(-1px)}
/* 汉堡（移动端） */
.burger{display:none;flex-direction:column;gap:5px;margin-left:auto;padding:8px}
.burger i{width:24px;height:2.5px;background:var(--ink);border-radius:2px}

/* ============ 首页整屏翻页 ============ */
.deck{height:100vh;overflow-y:auto;scroll-snap-type:y mandatory;scroll-behavior:smooth}
.deck::-webkit-scrollbar{width:0}
.slide{position:relative;min-height:100vh;scroll-snap-align:start;scroll-snap-stop:always;overflow:hidden;display:flex;align-items:center}
.wrap{width:min(1180px,90vw);margin:0 auto;position:relative;z-index:2}
/* 浅色网点纹理 */
.slide::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(26,109,240,.075) 1px,transparent 1px);background-size:26px 26px;pointer-events:none}
.slide.tint{background:linear-gradient(180deg,#F6FAFF,#EDF4FF)}
.glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:1}
.g-blue{background:rgba(26,109,240,.16)}
.g-cyan{background:rgba(56,189,248,.14)}
.g-deep{background:rgba(15,77,192,.13)}

.kicker{display:inline-block;font-family:var(--mono);font-size:13px;letter-spacing:2px;color:var(--blue);margin-bottom:14px}
.kicker::before{content:'';display:inline-block;width:26px;height:2px;background:var(--blue);vertical-align:middle;margin-right:10px}
.title{font-size:clamp(32px,4.2vw,52px);font-weight:900;line-height:1.22;letter-spacing:.5px}
.sub{margin-top:16px;color:var(--muted);font-size:17.5px;line-height:1.8}

/* 渐显动画 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* ============ 第 1 屏 HERO（亮色） ============ */
.s-hero{background:
  radial-gradient(900px 500px at 85% 12%,rgba(62,139,255,.14),transparent 60%),
  radial-gradient(700px 460px at 8% 85%,rgba(26,109,240,.10),transparent 60%),
  linear-gradient(160deg,#FFFFFF 30%,#EFF5FF)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:'';position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(255,255,255,0) 62%,rgba(255,255,255,.92) 96%),
  linear-gradient(100deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.93) 30%,rgba(255,255,255,.62) 56%,rgba(250,253,255,.22) 80%,rgba(244,249,255,.10) 100%)}
.s-hero::after{content:'';position:absolute;right:-120px;top:-120px;width:460px;height:460px;border:1.5px solid rgba(26,109,240,.14);border-radius:50%;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;width:min(1180px,90vw);margin:0 auto;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:8px 16px;font-size:13.5px;color:var(--muted);box-shadow:0 4px 14px rgba(26,109,240,.08)}
.hero-badge b{color:var(--blue)}
.hero-badge::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(26,109,240,.15);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(26,109,240,.06)}}
.hero-title{font-size:clamp(34px,4.4vw,58px);font-weight:900;line-height:1.22;margin-top:22px;letter-spacing:1px}
.hero-sub{margin-top:18px;font-size:17px;color:var(--muted);line-height:1.85;max-width:34em}
.hero-actions{display:flex;align-items:center;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-tel{font-size:14.5px;color:var(--muted)}
.hero-tel b{font-family:var(--mono);font-size:18px;color:var(--ink);letter-spacing:1px}
.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-weight:700;font-size:15.5px;padding:14px 28px;border-radius:12px;box-shadow:0 10px 26px rgba(26,109,240,.32);transition:.2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(26,109,240,.4)}
.btn-ghost{background:#fff;color:var(--blue);border:1.5px solid rgba(26,109,240,.4);box-shadow:none}
.btn-ghost:hover{border-color:var(--blue);background:var(--tint)}
.hero-brands{display:flex;align-items:center;gap:12px;margin-top:32px;max-width:520px}
.hb-label{flex-shrink:0;font-size:12.5px;font-weight:600;color:var(--muted);letter-spacing:1px}
.hb-mask{overflow:hidden;flex:1;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.hb-track{display:flex;gap:10px;width:max-content;animation:hbmove 24s linear infinite}
.hero-brands:hover .hb-track{animation-play-state:paused}
.hb-track span{font-size:13px;color:var(--ink);background:rgba(255,255,255,.9);border:1px solid var(--line);padding:6px 16px;border-radius:99px;white-space:nowrap;box-shadow:0 3px 10px rgba(26,109,240,.06)}
@keyframes hbmove{to{transform:translateX(-50%)}}
#pcv{position:absolute;inset:0;z-index:1;pointer-events:none}

/* 监测台（亮玻璃） */
.glass{background:rgba(255,255,255,.82);backdrop-filter:blur(16px);border:1px solid rgba(26,109,240,.16);border-radius:20px;box-shadow:var(--shadow)}
.dash{padding:22px 24px}
.dash-top{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.wdot{width:11px;height:11px;border-radius:50%}
.wdot.r{background:#FF6B6B}.wdot.y{background:#FFC24B}.wdot.g{background:#33C787}
.dash-title{font-size:12.5px;color:var(--muted);margin-left:8px;letter-spacing:.5px}
.dash-live{margin-left:auto;font-family:var(--mono);font-size:11px;color:#16A34A;background:rgba(22,163,74,.1);padding:3px 9px;border-radius:99px}
.drow{display:grid;grid-template-columns:74px 1fr 64px;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line)}
.drow .pn{font-size:13.5px;font-weight:600}
.drow .bar{height:8px;background:#EDF2FB;border-radius:99px;overflow:hidden}
.drow .bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--blue2));transition:width 1s cubic-bezier(.2,.7,.2,1)}
.drow .st{font-size:12px;color:#16A34A;font-weight:600;text-align:right}
.drow .st.warn{color:#D97706}
.dash-chat{margin-top:16px;background:linear-gradient(135deg,rgba(26,109,240,.07),rgba(62,139,255,.05));border:1px solid rgba(26,109,240,.15);border-radius:12px;padding:14px 16px;font-size:13.5px;line-height:1.75}
.dash-chat .who{font-family:var(--mono);font-size:10.5px;color:var(--blue);letter-spacing:1px}
.dash-chat b{color:var(--blue-d)}
.dash-foot{margin-top:12px;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.5px}
.dash-foot b{color:var(--blue)}
/* 走势图 */
.spark-wrap{margin-top:14px;background:linear-gradient(135deg,rgba(26,109,240,.05),rgba(62,139,255,.03));border:1px solid rgba(26,109,240,.12);border-radius:12px;padding:12px 14px 8px}
.spark{width:100%;height:52px;display:block}
.spark-meta{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}
.spark-meta .who{font-family:var(--mono);font-size:10.5px;color:var(--blue);letter-spacing:1px}
.spark-meta b{font-size:13px;color:var(--blue-d)}
.spark-path{stroke-dasharray:340;stroke-dashoffset:340}
.reveal.in .spark-path{stroke-dashoffset:0;transition:stroke-dashoffset 1.8s cubic-bezier(.3,.7,.3,1) .7s}
.spark-dot{opacity:0}
.reveal.in .spark-dot{opacity:1;transition:opacity .3s ease 2.3s}

/* ============ 第 2 屏 数字 ============ */
.num-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.num-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;transition:.25s;position:relative;overflow:hidden}
.num-card::after{content:'';position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--blue),var(--blue2));transform:scaleX(0);transform-origin:left;transition:.3s}
.num-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.num-card:hover::after{transform:scaleX(1)}
.num-card b{display:block;font-size:44px;font-weight:900;color:var(--blue);font-family:var(--mono);letter-spacing:-1.5px;line-height:1.1}
.num-card span{display:block;font-size:16.5px;font-weight:800;margin-top:10px}
.num-card small{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.6}
.num-note{margin-top:22px;font-size:12.5px;color:#8B99B0;line-height:1.7}

/* ============ 第 3 屏 服务 ============ */
.svc-split{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
.svc-card{text-align:left;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;transition:.25s;position:relative}
.svc-card:hover{border-color:rgba(26,109,240,.5);box-shadow:var(--shadow);transform:translateY(-4px)}
.svc-card .no{font-family:var(--mono);font-size:12px;color:var(--blue);letter-spacing:2px}
.svc-card b{display:block;font-size:19px;margin-top:8px;font-weight:800}
.svc-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7}
.svc-card .more{display:inline-block;margin-top:12px;font-size:13px;color:var(--blue);font-weight:600}
.svc-visual{position:relative}
.img-frame{border-radius:20px;overflow:hidden;box-shadow:0 24px 60px rgba(11,27,51,.16);border:1px solid var(--line)}
.float-chip{position:absolute;left:-26px;bottom:26px;background:#fff;border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);border:1px solid var(--line)}
.float-chip b{display:block;font-size:14.5px}
.float-chip small{color:var(--muted);font-size:12px}

/* ============ 业务板块 ============ */
.biz-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:30px}
.biz-card{text-align:left;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 16px;transition:.25s;position:relative;display:flex;flex-direction:column;gap:8px}
.biz-card:hover{border-color:rgba(26,109,240,.5);box-shadow:var(--shadow);transform:translateY(-4px)}
.biz-card .bi{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;box-shadow:0 5px 14px rgba(26,109,240,.25)}
.biz-card b{font-size:14.5px;line-height:1.45;font-weight:800}
.biz-card p{font-size:12.5px;color:var(--muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.biz-card .more{font-size:12px;color:var(--blue);font-weight:600}
.biz-card .core{position:absolute;right:10px;top:10px;font-size:10.5px;color:var(--blue);background:var(--tint);border:1px solid rgba(26,109,240,.25);padding:2px 8px;border-radius:99px;font-weight:700}

/* ============ 第 4 屏 周期 ============ */
.flow-split{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.flow-diagram{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(11,27,51,.12);padding:18px 10px 6px}
.flow-diagram svg{width:100%;height:auto;display:block}
.fd-bar{transition:width 1.6s cubic-bezier(.3,.7,.3,1) .6s}
.reveal.in .fd-bar{width:438px}
.fd-pulse{transform-box:fill-box;transform-origin:center;animation:fdpulse 2.6s ease-out infinite;opacity:0}
@keyframes fdpulse{0%{transform:scale(1);opacity:.55}70%{transform:scale(1.55);opacity:0}100%{opacity:0}}
.flow-steps{margin-top:30px;position:relative;display:grid;gap:16px}
.flow-steps::before{content:'';position:absolute;left:19px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--blue),rgba(26,109,240,.15))}
.flow-step{display:grid;grid-template-columns:40px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;transition:.25s;position:relative}
.flow-step:hover{box-shadow:var(--shadow);transform:translateX(4px)}
.flow-step .pt{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;box-shadow:0 6px 16px rgba(26,109,240,.3)}
.flow-step b{font-size:16px}
.flow-step small{font-family:var(--mono);font-size:11px;color:var(--blue);letter-spacing:1px;margin-left:10px}
.flow-step p{margin-top:6px;color:var(--muted);font-size:13.5px;line-height:1.7}

/* ============ 第 5 屏 案例 ============ */
.case-tabs{display:flex;gap:10px;margin:30px 0 24px;flex-wrap:wrap}
.case-tabs button,.news-filter button{padding:9px 20px;border-radius:99px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--muted);transition:.2s}
.case-tabs button.on,.news-filter button.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.case-tabs button:not(.on):hover,.news-filter button:not(.on):hover{border-color:var(--blue);color:var(--blue)}
.case-body{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.case-photo{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 20px 50px rgba(11,27,51,.14)}
.case-photo img{width:100%;height:100%;object-fit:cover}
.case-photo .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(11,27,51,.82));color:#fff;padding:40px 22px 18px;font-size:14px}
.case-photo .cap b{font-size:19px;font-weight:800;display:block;margin-bottom:4px}
.case-panel{padding:30px 30px}
.case-panel .tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.case-panel .tags i{font-style:normal;font-size:12px;color:var(--blue);background:var(--tint);border:1px solid rgba(26,109,240,.2);padding:4px 12px;border-radius:99px}
.case-panel h3{font-size:27px;font-weight:900}
.case-panel p{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.85}
.case-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.case-stats div{background:var(--tint);border-radius:12px;padding:14px;text-align:center}
.case-stats b{display:block;font-size:26px;font-weight:900;color:var(--blue)}
.case-stats span{font-size:12px;color:var(--muted)}

/* ============ 第 6 屏 资讯 ============ */
.news-body{display:grid;grid-template-columns:1.25fr 1fr;gap:22px;margin-top:8px}
.news-feat{display:grid;grid-template-columns:1fr;grid-template-rows:220px auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
.news-feat:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.news-feat img{width:100%;height:100%;object-fit:cover}
.news-feat .fc{padding:22px 24px}
.news-feat h3{font-size:21px;font-weight:800;margin-top:10px;line-height:1.5}
.news-feat p{margin-top:8px;color:var(--muted);font-size:13.5px;line-height:1.7}
.news-card{display:grid;grid-template-columns:96px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;transition:.25s;align-items:center}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:rgba(26,109,240,.4)}
.news-card .thumb{width:96px;height:72px;border-radius:10px;overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover}
.news-card b{font-size:14.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side{display:grid;gap:14px;align-content:start}
.cat{font-size:11.5px;color:var(--blue);background:var(--tint);padding:3px 10px;border-radius:99px;font-weight:600}
time{font-family:var(--mono);font-size:12px;color:#93A3BC;margin-left:10px}
.news-card small,.news-feat small{color:var(--muted)}
.read{display:inline-block;margin-top:12px;color:var(--blue);font-size:13.5px;font-weight:600}

/* ============ 第 6 屏 FAQ ============ */
.faq-split{display:grid;grid-template-columns:1.72fr .78fr;gap:20px;margin-top:34px;align-items:stretch}
.faq-split .faq-grid{grid-template-columns:1fr;gap:12px;margin-top:0;align-content:start}
.faq-side{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.faq-side img{width:100%;height:200px;object-fit:cover}
.fs-body{padding:22px 24px 24px;display:grid;gap:10px;justify-items:start}
.fs-body b{font-size:18px;font-weight:800}
.fs-body p{color:var(--muted);font-size:13.5px;line-height:1.75}
.fs-tel{font-size:13px;color:var(--muted)}
.fs-tel b{font-family:var(--mono);font-size:15px;color:var(--ink);letter-spacing:.5px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;cursor:pointer;transition:.25s}
.faq-item:hover{border-color:rgba(26,109,240,.4)}
.faq-item .q{display:flex;gap:12px;align-items:flex-start;font-weight:700;font-size:15.5px;line-height:1.6}
.faq-item .qi{flex-shrink:0;font-family:var(--mono);font-size:12px;color:#fff;background:var(--blue);border-radius:8px;padding:3px 9px;margin-top:2px}
.faq-item .a{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;line-height:1.85;transition:max-height .4s ease}
.faq-item.open .a{max-height:320px;margin-top:12px}
.faq-item .tg{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--blue)}

/* ============ 第 7 屏 关于+联系 ============ */
.end-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.end-brand{display:flex;align-items:center;gap:16px;margin:24px 0 18px}
.end-brand img{height:64px}
.end-brand b{font-size:19px;display:block}
.end-brand small{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:2px}
.about-txt{color:var(--muted);font-size:15px;line-height:1.9}
.about-certs{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.about-certs span{font-size:12.5px;background:#fff;border:1px solid var(--line);color:var(--muted);padding:7px 14px;border-radius:99px}
.contact-panel{padding:32px 32px}
.contact-panel h3{font-size:23px;font-weight:900}
.cp-sub{margin-top:10px;color:var(--muted);font-size:13.5px;line-height:1.75}
.contact-rows{display:grid;gap:14px;margin-top:22px}
.crow{display:flex;gap:14px;align-items:center}
.crow .ic{width:44px;height:44px;border-radius:12px;background:var(--tint);display:flex;align-items:center;justify-content:center;font-size:19px;border:1px solid rgba(26,109,240,.15)}
.crow b{font-family:var(--mono);font-size:17px;display:block}
.crow small{color:var(--muted);font-size:12.5px}
.end-cta{margin-top:24px}
/* 二维码 */
.qr-row{display:flex;align-items:center;gap:16px;margin-top:22px;padding-top:20px;border-top:1px dashed var(--line)}
.qr-row .qr{width:86px;height:86px;border:1px solid var(--line);border-radius:12px;padding:6px;background:#fff}
.qr-row b{font-size:14.5px;display:block}
.qr-row small{display:block;margin-top:5px;color:var(--muted);font-size:12.5px;line-height:1.6}

/* 页脚（深藏青，全站通用） */
.footer{position:absolute;left:0;right:0;bottom:0;background:var(--ink);color:rgba(255,255,255,.75);display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 4vw;font-size:12.5px;flex-wrap:wrap}
.footer .fl{display:flex;align-items:center;gap:10px}
.footer img{height:22px;opacity:.9}
/* 子页面页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.75);padding:34px 4vw;display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:13px;flex-wrap:wrap}
.site-footer .fl{display:flex;align-items:center;gap:10px}
.site-footer img{height:24px}
.site-footer a:hover{color:#fff}

/* ============ 侧边圆点导航 ============ */
.dots{position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:60;display:grid;gap:12px}
.dots button{width:9px;height:9px;border-radius:50%;background:#C6D4EC;transition:.25s;position:relative}
.dots button.on{background:var(--blue);transform:scale(1.35);box-shadow:0 0 0 4px rgba(26,109,240,.15)}
.pagenum{position:fixed;right:22px;bottom:22px;z-index:60;font-family:var(--mono);font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.85);border:1px solid var(--line);padding:6px 12px;border-radius:99px;backdrop-filter:blur(8px)}
.pagenum b{color:var(--blue)}

/* ============ 服务弹层 ============ */
.modal-mask{position:fixed;inset:0;background:rgba(11,27,51,.45);backdrop-filter:blur(6px);z-index:200;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:.3s}
.modal-mask.open{opacity:1;visibility:visible}
.modal{width:min(680px,92vw);max-height:82vh;overflow-y:auto;background:#fff;border-radius:22px;padding:38px 40px;position:relative;transform:translateY(24px);transition:.3s}
.modal-mask.open .modal{transform:none}
.modal-close{position:absolute;right:18px;top:18px;width:36px;height:36px;border-radius:50%;background:var(--tint);color:var(--muted);font-size:15px}
.modal-close:hover{background:var(--blue);color:#fff}
.m-kicker{font-family:var(--mono);font-size:12px;color:var(--blue);letter-spacing:2px}
.modal h3{font-size:24px;margin-top:10px}
.m-body{margin-top:18px;color:var(--muted);font-size:14.5px;line-height:1.9}
.m-body h4{color:var(--ink);font-size:16px;margin:18px 0 8px}
.m-body ul{padding-left:20px}
.m-body li{margin:6px 0}

/* ============ 子页面通用 ============ */
.page{padding-top:76px;min-height:60vh}
.p-banner{position:relative;background:
  radial-gradient(700px 300px at 80% 0%,rgba(62,139,255,.16),transparent 60%),
  radial-gradient(500px 260px at 10% 100%,rgba(26,109,240,.10),transparent 60%),
  linear-gradient(160deg,#FFF 40%,#EFF5FF);
  border-bottom:1px solid var(--line);padding:64px 0 46px;overflow:hidden}
.p-banner::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(26,109,240,.08) 1px,transparent 1px);background-size:24px 24px}
.p-banner .crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.p-banner .crumb a:hover{color:var(--blue)}
.p-banner h1{font-size:clamp(34px,4.6vw,52px);font-weight:900;letter-spacing:.5px;position:relative}
.p-banner .p-sub{margin-top:14px;color:var(--muted);font-size:16.5px;max-width:44em;line-height:1.8;position:relative}
.p-wrap{width:min(1120px,90vw);margin:0 auto;padding:56px 0 80px}
.prose{font-size:16px;line-height:2;color:#33415C;max-width:52em}
.prose h2{font-size:27px;font-weight:900;color:var(--ink);margin:44px 0 16px;position:relative;padding-left:16px}
.prose h2::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--blue),var(--blue2))}
.prose p{margin:10px 0}
.prose ul{padding-left:22px;margin:10px 0}
.prose li{margin:6px 0}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:26px}
.g-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;transition:.25s}
.g-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:rgba(26,109,240,.4)}
.g-card .gi{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px;box-shadow:0 6px 16px rgba(26,109,240,.25)}
.g-card b{font-size:18px;font-weight:800;display:block}
.g-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75}
.g-card .go{display:inline-block;margin-top:12px;color:var(--blue);font-size:13px;font-weight:600}
/* 时间线（发展历程） */
.timeline{position:relative;margin-top:30px;padding-left:30px}
.timeline::before{content:'';position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--blue),rgba(26,109,240,.12))}
.tl-item{position:relative;padding:0 0 28px 18px}
.tl-item::before{content:'';position:absolute;left:-27px;top:6px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.tl-item time{font-family:var(--mono);color:var(--blue);font-size:13px;margin:0}
.tl-item b{display:block;font-size:18px;font-weight:800;margin-top:4px}
.tl-item p{margin-top:6px;color:var(--muted);font-size:14px;line-height:1.75}
/* 荣誉占位 */
.honor-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;margin-top:26px}
.honor{aspect-ratio:4/3;border:1.5px dashed #C9D8F2;border-radius:var(--r);display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;color:#93A3BC;background:var(--tint);font-size:13.5px;text-align:center;padding:16px}
.honor .hi{font-size:30px;opacity:.6}
/* 联系页 */
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:26px}
.c-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:.25s}
.c-card:hover{box-shadow:var(--shadow)}
.c-card .ic{width:48px;height:48px;border-radius:13px;background:var(--tint);border:1px solid rgba(26,109,240,.15);display:flex;align-items:center;justify-content:center;font-size:21px;margin-bottom:14px}
.c-card b{font-size:18px;font-weight:800;display:block}
.c-card .big{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--blue);margin-top:8px;display:block}
.c-card small{color:var(--muted);font-size:13px;display:block;margin-top:6px;line-height:1.6}
/* 服务详情页 */
.svc-detail{display:grid;grid-template-columns:1fr .8fr;gap:44px;align-items:start;margin-top:8px}
.svc-detail .img-frame img{width:100%}
.svc-nav{display:grid;gap:10px;margin-top:44px}
.svc-nav a{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 18px;font-size:14.5px;font-weight:600;transition:.2s}
.svc-nav a:hover{border-color:var(--blue);color:var(--blue);transform:translateX(4px)}
.svc-nav a span{font-family:var(--mono);font-size:11px;color:var(--blue)}
.tag-soon{display:inline-block;font-size:11.5px;color:#B45309;background:#FEF3C7;border-radius:99px;padding:3px 10px;margin-left:8px;vertical-align:middle}
/* 业务板块页 */
.biz-quick{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 8px}
.biz-quick a{font-size:13px;font-weight:600;color:var(--blue);background:var(--tint);border:1px solid rgba(26,109,240,.2);padding:8px 14px;border-radius:99px;transition:.2s}
.biz-quick a:hover{background:var(--blue);color:#fff}
.biz-sec{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 32px;margin-top:26px;scroll-margin-top:96px}
.biz-sec:hover{box-shadow:var(--shadow)}
.biz-sec-head{display:flex;gap:18px;align-items:flex-start}
.bs-no{font-family:var(--mono);font-size:30px;font-weight:900;color:var(--blue);opacity:.35;line-height:1}
.biz-sec-head h2{font-size:24px;font-weight:900;color:var(--ink)}
.bs-desc{margin-top:6px;color:var(--muted);font-size:14.5px;line-height:1.7}
.biz-sec-body{display:grid;grid-template-columns:1.4fr .8fr;gap:28px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.biz-sec-body .prose{max-width:none}
.biz-suit{background:var(--tint);border:1px solid rgba(26,109,240,.15);border-radius:16px;padding:20px 22px;height:fit-content}
.biz-suit b{font-size:15px;color:var(--blue)}
.biz-suit p{margin-top:8px;font-size:13.5px;color:#33415C;line-height:1.8}
@media(max-width:960px){.biz-sec-body{grid-template-columns:1fr}}
/* 案例页卡片 */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin-top:30px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
.case-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.case-card .ph{height:190px;overflow:hidden}
.case-card .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.case-card:hover .ph img{transform:scale(1.05)}
.case-card .bd{padding:22px 24px}
.case-card h3{font-size:19.5px;font-weight:800}
.case-card p{margin-top:10px;color:var(--muted);font-size:13.5px;line-height:1.75}
/* 文章列表页 */
.news-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px;margin-top:30px}
.news-list .news-feat{grid-template-rows:190px auto}
.empty-tip{background:var(--tint);border:1.5px dashed #C9D8F2;border-radius:var(--r);padding:34px;text-align:center;color:var(--muted);font-size:14px;margin-top:26px}
/* CTA 条 */
.cta-strip{background:linear-gradient(135deg,var(--blue),var(--blue2));border-radius:20px;color:#fff;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:56px;box-shadow:0 18px 44px rgba(26,109,240,.3)}
.cta-strip h3{font-size:25px;font-weight:900}
.cta-strip p{opacity:.85;margin-top:6px;font-size:14px}
.cta-strip .btn{background:#fff;color:var(--blue);box-shadow:none}
.cta-strip .btn:hover{transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:960px){
  .nav{gap:14px}
  .nav-links{display:none;position:fixed;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 5vw 22px;box-shadow:0 24px 50px rgba(11,27,51,.14);border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .ni>a{padding:14px 4px}
  .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;padding:0 0 6px 14px;display:none;min-width:0}
  .ni:hover .sub{display:block}
  .ni.open .sub{display:block}
  .burger{display:flex}
  .hero-grid,.svc-split,.flow-split,.case-body,.news-body,.end-grid,.faq-grid,.faq-split,.svc-detail{grid-template-columns:1fr}
  .num-grid{grid-template-columns:1fr 1fr}
  .biz-grid{grid-template-columns:1fr 1fr}
  .dots,.pagenum{display:none}
  .float-chip{left:10px}
  .footer{position:static;flex-direction:column;align-items:flex-start}
  .slide{min-height:auto;padding:80px 0}
  .deck{height:auto;overflow:visible;scroll-snap-type:none}
}