/* ============================================================
   KnowAI · GEO 城市分站  ——  明亮科技主题 v4
   浅色底 + 蓝青渐变 / 轻玻璃卡片 / 柔和光影
   ============================================================ */
:root{
  --bg:#f5f8fd;
  --bg-soft:#eef4fc;
  --panel:#ffffff;
  --panel-2:#f8fafd;
  --line:#e4ecf7;
  --line-2:#d3e0f0;
  --txt:#0e1b2e;
  --muted:#54658a;
  --muted-2:#8090af;
  --pri:#2563eb;
  --pri-2b:#1d4ed8;
  --pri2:#0891b2;
  --gold:#a9741f;
  --ok:#0f9d6e;
  --bad:#dc2626;
  --grad:linear-gradient(115deg,#2563eb 0%,#0ea5e9 60%,#06b6d4 100%);
  --grad-text:linear-gradient(100deg,#1d4ed8 0%,#0e8fd6 48%,#0d9488 100%);
  --grad-soft:linear-gradient(135deg,rgba(37,99,235,.10),rgba(6,182,212,.07));
  --r:18px;
  --shadow:0 18px 50px rgba(24,49,94,.10);
  --shadow-sm:0 6px 20px rgba(24,49,94,.06);
  --shadow-lg:0 30px 70px rgba(24,49,94,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--txt);
  font-family:"Inter","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font:inherit}
::selection{background:rgba(37,99,235,.16);color:#0b1730}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 28px}
.wrap.narrow{max-width:880px}
.center{text-align:center;margin-top:40px}
.muted{color:var(--muted)}
.dim{color:var(--muted-2)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:99;background:#fff;padding:10px 18px;border-radius:10px;box-shadow:var(--shadow)}
.ico{flex:none;vertical-align:-2px}

/* ---------- 背景光效（浅色光晕 + 细网格） ---------- */
.aurora{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;background:var(--bg)}
.aurora .orb{position:absolute;border-radius:50%;filter:blur(110px)}
.orb-1{width:720px;height:720px;left:-200px;top:-240px;background:radial-gradient(circle,rgba(59,130,246,.18),transparent 68%)}
.orb-2{width:620px;height:620px;right:-200px;top:-40px;background:radial-gradient(circle,rgba(6,182,212,.15),transparent 70%)}
.orb-3{width:780px;height:780px;left:38%;top:48%;background:radial-gradient(circle,rgba(99,102,241,.10),transparent 72%)}
.grid-lines{position:absolute;inset:0;
  background-image:linear-gradient(rgba(37,99,235,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(37,99,235,.045) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 85% 62% at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 85% 62% at 50% 0%,#000 30%,transparent 78%);
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:12px;padding:12px 22px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .25s var(--ease);white-space:nowrap;letter-spacing:.2px}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(37,99,235,.26)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(37,99,235,.34)}
.btn-line{border-color:var(--line-2);color:var(--txt);background:#fff;box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:rgba(37,99,235,.55);color:var(--pri);background:#f6f9ff}
.btn-white{background:#fff;color:#1d4ed8}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(8,20,45,.18)}
.btn-ghost-w{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-w:hover{background:rgba(255,255,255,.16)}
.btn.lg{padding:16px 30px;font-size:16px;border-radius:14px}
.btn.sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.w100{width:100%}

/* ---------- 顶部细条 ---------- */
.topbar{background:rgba(255,255,255,.72);border-bottom:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.tb-left{display:flex;align-items:center;gap:9px}
.tb-left b{color:var(--pri);font-weight:700}
.tb-right{display:flex;align-items:center;gap:10px}
.tb-right a:hover{color:var(--pri)}
.tb-right .sep{color:rgba(14,27,46,.18)}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 3px rgba(15,157,110,.14);animation:pulse 2.4s infinite;flex:none}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(15,157,110,.14)}50%{box-shadow:0 0 0 7px rgba(15,157,110,.04)}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  background:rgba(255,255,255,.78);border-bottom:1px solid var(--line);transition:.3s var(--ease)}
.site-header.scrolled{background:rgba(255,255,255,.95);box-shadow:0 10px 34px rgba(24,49,94,.08)}
.header-in{display:flex;align-items:center;gap:26px;height:74px}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo-mark{width:42px;height:42px;border-radius:13px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;font-size:23px;font-weight:800;color:#fff;letter-spacing:-1px;
  box-shadow:0 8px 20px rgba(37,99,235,.28)}
.logo-mark span{color:rgba(255,255,255,.62)}
.logo-text b{display:block;font-size:19px;line-height:1.15;letter-spacing:.4px;color:var(--txt)}
.logo-text i{display:block;font-style:normal;font-size:11px;color:var(--muted-2);letter-spacing:.6px}
.nav{display:flex;align-items:center;gap:2px;flex:1}
.nav > a,.nav-item > a{position:relative;display:inline-flex;align-items:center;gap:5px;
  padding:9px 13px;border-radius:10px;font-size:14.5px;color:var(--muted);white-space:nowrap}
.nav > a:hover,.nav-item > a:hover,.nav > a.on,.nav-item > a.on{color:var(--pri);background:rgba(37,99,235,.07)}
.nav > a.on::after,.nav-item > a.on::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad)}
.caret{width:5px;height:5px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);opacity:.6}
.nav-item{position:relative}
.nav-drop{position:absolute;left:0;top:calc(100% + 10px);min-width:262px;padding:10px;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s var(--ease)}
.nav-item:hover .nav-drop{opacity:1;visibility:visible;transform:none}
.nav-drop a{display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--txt)}
.nav-drop a em{display:block;font-style:normal;font-size:12px;color:var(--muted-2);margin-top:2px}
.nav-drop a:hover{background:rgba(37,99,235,.07);color:var(--pri)}
.header-cta{display:flex;align-items:center;gap:16px;flex:none}
.hotline{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--muted);letter-spacing:.3px}
.hotline:hover{color:var(--pri)}
.hotline .ico{color:var(--pri)}
.menu-btn{display:none;width:40px;height:40px;border:1px solid var(--line-2);background:#fff;
  border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.menu-btn span{display:block;width:17px;height:1.6px;background:var(--txt);border-radius:2px;transition:.25s}
.menu-btn.on span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.menu-btn.on span:nth-child(2){opacity:0}
.menu-btn.on span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;padding:76px 0 46px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  border:1px solid rgba(37,99,235,.22);background:rgba(37,99,235,.06);
  color:var(--pri);font-size:12.5px;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:26px}
.hero h1{font-size:clamp(38px,4.6vw,64px);line-height:1.14;letter-spacing:-1.6px;font-weight:800}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin:24px 0 32px;max-width:560px;color:var(--muted);font-size:16.5px;line-height:1.85}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;list-style:none;margin-top:26px;font-size:13.5px;color:var(--muted)}
.hero-points li{display:flex;align-items:center;gap:7px}
.hero-points .ico{color:var(--pri)}
.hero-proof{display:flex;gap:48px;margin-top:44px;padding-top:30px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-proof b{display:block;font-size:32px;font-weight:800;letter-spacing:-.5px;
  background:linear-gradient(120deg,#0e1b2e,#2f6bff);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums}
.hero-proof span{font-size:12.5px;color:var(--muted-2)}

/* 检测卡 */
.hero-panel{position:relative}
.hero-panel::before{content:"";position:absolute;inset:-2px;border-radius:26px;background:var(--grad);opacity:.18;filter:blur(26px)}
.scan-card{position:relative;background:linear-gradient(165deg,#ffffff,#f7fbff);
  border:1px solid var(--line);border-radius:22px;padding:26px 26px 20px;box-shadow:var(--shadow);
  backdrop-filter:blur(12px);overflow:hidden}
.scan-card::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(37,99,235,.55),transparent)}
.sc-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:18px}
.sc-dots{display:flex;gap:5px}
.sc-dots i{width:8px;height:8px;border-radius:50%;background:rgba(14,27,46,.12)}
.sc-dots i:nth-child(1){background:#ff7b7b}.sc-dots i:nth-child(2){background:#ffc857}.sc-dots i:nth-child(3){background:#4ade80}
.sc-title{font-size:13.5px;color:var(--muted);letter-spacing:.5px}
.sc-live{margin-left:auto;font-style:normal;font-size:10.5px;letter-spacing:1.5px;color:var(--ok);
  border:1px solid rgba(15,157,110,.3);background:rgba(15,157,110,.07);padding:2px 8px;border-radius:999px}
.sc-form label{display:block;font-size:12.5px;color:var(--muted-2);margin-bottom:12px;letter-spacing:.3px}
.sc-form input{width:100%;margin-top:7px;padding:12px 14px;border-radius:11px;border:1px solid var(--line-2);
  background:#f8fbff;color:var(--txt);font-size:14px;outline:none;transition:.2s}
.sc-form input::placeholder{color:var(--muted-2)}
.sc-form input:focus{border-color:var(--pri);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.10)}
.sc-form .btn{margin-top:6px}
.sc-chart{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.sc-row{display:grid;grid-template-columns:74px 1fr 32px;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.sc-row i{position:relative;display:block;height:6px;border-radius:4px;background:#e9eff8;overflow:hidden}
.sc-row i::before{content:"";position:absolute;inset:0;width:var(--v);border-radius:4px;background:var(--grad)}
.sc-row b{font-weight:600;color:var(--txt);text-align:right;font-variant-numeric:tabular-nums}
.sc-note{margin-top:14px;font-size:11.5px;color:var(--muted-2);letter-spacing:.2px}
.sc-result{margin:4px 0 14px;padding:11px 14px;border-radius:10px;font-size:13px;
  background:rgba(37,99,235,.06);border:1px solid rgba(37,99,235,.22);color:#1e3a8a}

.platform-strip{display:flex;align-items:center;gap:22px;margin-top:56px;padding:18px 24px;
  border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.72);flex-wrap:wrap}
.ps-label{font-size:12px;letter-spacing:2px;color:var(--muted-2);text-transform:uppercase;flex:none}
.ps-list{display:flex;gap:26px;flex-wrap:wrap}
.ps-list span{font-size:14.5px;color:#5b6c8c;letter-spacing:.5px;transition:.2s}
.ps-list span:hover{color:var(--pri)}

/* ============================================================
   SECTION 通用
   ============================================================ */
.section{padding:100px 0;position:relative}
.section.tight{padding:56px 0 84px}
.section.soft{background:linear-gradient(180deg,#eef4fd,#f8fbff);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 56px}
.sec-head.between{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  text-align:left;max-width:none;margin-bottom:44px}
.sec-head.between > div{max-width:640px}
.kicker{display:block;font-size:11.5px;letter-spacing:3.4px;color:var(--pri);text-transform:uppercase;margin-bottom:14px}
.kicker.light{color:rgba(255,255,255,.72)}
.sec-head h2{font-size:clamp(26px,3vw,40px);line-height:1.28;letter-spacing:-.9px;font-weight:750}
.sec-sub{margin-top:16px;color:var(--muted);font-size:15.5px}

/* 卡片 */
.card{position:relative;display:block;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(520px circle at var(--mx,50%) var(--my,0%),rgba(37,99,235,.07),transparent 42%);
  opacity:0;transition:opacity .35s}
.card:hover{transform:translateY(-5px);border-color:rgba(37,99,235,.28);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card h3{font-size:18.5px;line-height:1.45;margin-bottom:9px;letter-spacing:-.2px}
.card p{font-size:14.5px;color:var(--muted)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* 能力卡 */
.feat{padding:30px 28px 32px}
.feat-no{position:absolute;right:22px;top:18px;font-size:12px;letter-spacing:1px;color:rgba(14,27,46,.14);
  font-variant-numeric:tabular-nums}
.feat-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);border:1px solid rgba(37,99,235,.16);color:var(--pri);margin-bottom:20px}
.feat h3{font-size:18px}
.feat p{min-height:48px}
.feat-line{position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad);transition:width .4s var(--ease)}
.feat:hover .feat-line{width:100%}

/* 方法论 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step{position:relative;padding:30px 24px;border:1px solid var(--line);border-radius:16px;
  background:#fff;box-shadow:var(--shadow-sm);transition:.3s var(--ease)}
.step:hover{border-color:rgba(37,99,235,.35);transform:translateY(-4px);box-shadow:var(--shadow)}
.step-no{display:block;font-size:13px;letter-spacing:2px;color:var(--pri);margin-bottom:16px;font-weight:700}
.step h3{font-size:17.5px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted)}
.step-arrow{position:absolute;right:-14px;top:50%;transform:translateY(-50%);color:#b9c8de;z-index:2;background:var(--bg);border-radius:50%}

/* 产品卡 */
.prod{padding:16px 16px 20px}
.prod-pic{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:#eef3fb;margin-bottom:18px}
.prod-pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.prod:hover .prod-pic img{transform:scale(1.06)}
.prod-badge{position:absolute;left:10px;top:10px;font-size:10.5px;letter-spacing:1.4px;padding:3px 9px;border-radius:999px;
  background:rgba(255,255,255,.92);border:1px solid rgba(37,99,235,.22);color:var(--pri);backdrop-filter:blur(6px)}
.prod h3{font-size:16.5px;margin:0 6px 8px}
.prod p{margin:0 6px;font-size:13.5px;min-height:44px}
.prod-foot{display:flex;align-items:flex-end;justify-content:space-between;margin:16px 6px 0;
  padding-top:14px;border-top:1px solid var(--line)}
.price{font-size:20px;font-weight:700;color:var(--txt);font-variant-numeric:tabular-nums;letter-spacing:-.3px}
.price i{font-style:normal;font-size:13px;color:var(--pri);margin-right:2px}
.price em{font-style:normal;font-size:11.5px;color:var(--muted-2);margin-left:4px;font-weight:400}
.price.ask{font-size:15px;color:var(--muted)}
.more{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;color:var(--muted-2);transition:.2s}
.card:hover .more{color:var(--pri)}
.card:hover .more .ico{transform:translateX(3px)}
.more .ico{transition:transform .25s}

/* 数据带 */
.metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,#eef5ff,#f0fbfd,#eef5ff)}
.metrics-in{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:46px 28px}
.metric{text-align:center;position:relative}
.metric + .metric::before{content:"";position:absolute;left:-12px;top:12%;bottom:12%;width:1px;background:var(--line-2)}
.metric b{display:block;font-size:clamp(30px,3.4vw,44px);font-weight:800;letter-spacing:-1px;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums}
.metric span{font-size:13px;color:var(--muted)}

/* 洞察 */
.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.insight{padding:26px;min-height:200px;display:flex;flex-direction:column}
.insight.lead{grid-column:span 1;background:linear-gradient(160deg,#eef5ff,#f6fbff);
  border-color:rgba(37,99,235,.24)}
.insight-tag{font-size:11.5px;letter-spacing:1.6px;color:var(--pri);margin-bottom:14px;font-variant-numeric:tabular-nums}
.insight h3{font-size:17px;line-height:1.5}
.insight p{font-size:13.5px;margin-top:10px;flex:1}
.insight .more{margin-top:18px}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;
  padding:0 22px;transition:.25s;box-shadow:var(--shadow-sm)}
.faq-item[open]{border-color:rgba(37,99,235,.28);background:#f7faff;box-shadow:0 12px 30px rgba(37,99,235,.08)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 0;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ico{position:relative;width:16px;height:16px;flex:none}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--pri);border-radius:2px;
  transition:.25s}
.faq-ico::before{left:0;right:0;top:7px;height:1.6px}
.faq-ico::after{top:0;bottom:0;left:7px;width:1.6px}
.faq-item[open] .faq-ico::after{transform:scaleY(0)}
.faq-item p{padding:0 0 20px;color:var(--muted);font-size:14.5px;max-width:92%}

/* 城市云 */
.area-cloud{display:flex;flex-wrap:wrap;gap:11px;justify-content:center}
.area-cloud a{padding:9px 20px;border-radius:999px;border:1px solid var(--line);font-size:14px;
  color:var(--muted);background:#fff;box-shadow:var(--shadow-sm);transition:.22s var(--ease)}
.area-cloud a:hover{color:var(--pri);border-color:rgba(37,99,235,.45);background:#f2f7ff;transform:translateY(-2px)}

/* CTA —— 蓝色渐变带（不是黑块） */
.cta{position:relative;padding:0 0 96px}
.cta-in{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;
  border-radius:26px;padding:60px;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,#1e3a8a 0%,#2563eb 46%,#0891b2 100%);
  border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 70px rgba(29,78,216,.28)}
.cta-in::before{content:"";position:absolute;width:520px;height:520px;right:-120px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%);filter:blur(20px)}
.cta-in::after{content:"";position:absolute;left:-60px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(6,182,212,.35),transparent 68%);filter:blur(30px)}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:clamp(26px,3vw,40px);line-height:1.3;letter-spacing:-.8px;margin-bottom:16px;color:#fff}
.cta-copy p{color:rgba(255,255,255,.82);max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.cta-card{position:relative;z-index:1;border-radius:18px;padding:28px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(12px)}
.cta-card .ico{color:#fff}
.cta-card b{display:block;font-size:16px;margin:12px 0 12px;color:#fff}
.cta-card ul{list-style:none;display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:rgba(255,255,255,.86)}
.cta-card li{position:relative;padding-left:16px}
.cta-card li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:#fff}

/* ============================================================
   内页
   ============================================================ */
.page-hero{padding:52px 0 44px;border-bottom:1px solid var(--line);
  background:radial-gradient(900px 320px at 15% -50%,rgba(37,99,235,.14),transparent),
             linear-gradient(180deg,#f2f7ff,rgba(255,255,255,0))}
.page-hero.compact{padding:40px 0 34px}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted-2);flex-wrap:wrap;margin-bottom:20px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--pri)}
.crumb .sep{opacity:.5}
.ph-in{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;flex-wrap:wrap}
.ph-copy h1{font-size:clamp(28px,3.6vw,44px);line-height:1.25;letter-spacing:-1px;font-weight:800}
.ph-sub{margin-top:14px;color:var(--muted);font-size:15px;max-width:660px}
.ph-meta{display:flex;gap:36px}
.ph-meta b{display:block;font-size:26px;font-weight:750;letter-spacing:-.5px;color:var(--txt);font-variant-numeric:tabular-nums}
.ph-meta span{font-size:12px;color:var(--muted-2)}
.chip-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}
.chip{display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;font-size:13px;
  color:var(--muted);border:1px solid var(--line);background:#fff}
.chip:hover,.chip.on{color:var(--pri);border-color:rgba(37,99,235,.4);background:#eef5ff}

/* 文章列表 */
.post-list{display:flex;flex-direction:column;gap:12px}
.post{display:grid;grid-template-columns:88px 1fr 24px;gap:22px;align-items:center;padding:24px 26px;
  border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s var(--ease)}
.post:hover{border-color:rgba(37,99,235,.3);background:#fbfdff;transform:translateX(4px);box-shadow:var(--shadow)}
.post-date{text-align:center;border-right:1px solid var(--line);padding-right:18px}
.post-date b{display:block;font-size:26px;font-weight:750;letter-spacing:-.5px;line-height:1.1;color:var(--txt)}
.post-date span{font-size:11.5px;color:var(--muted-2)}
.post-body h3{font-size:17px;margin-bottom:6px;line-height:1.5}
.post-body p{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:inline-block;margin-top:8px;font-size:11.5px;color:var(--muted-2)}
.post-arrow{color:#b9c8de}
.post:hover .post-arrow{color:var(--pri)}

/* 分页 */
.pager{display:flex;gap:8px;justify-content:center;margin-top:44px;flex-wrap:wrap}
.pager a,.pager b{min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--muted);background:#fff}
.pager b{background:var(--grad);border-color:transparent;color:#fff;font-weight:700}
.pager a:hover{border-color:rgba(37,99,235,.45);color:var(--pri)}
.empty{text-align:center;padding:64px 30px;color:var(--muted)}
.empty-tags{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin-top:20px}

/* 富文本 */
.prose-wrap{padding:44px}
.prose{font-size:16px;color:#39496a;line-height:1.95}
.prose > *:first-child{margin-top:0}
.prose p{margin:16px 0}
.prose h2,.prose h3,.prose h4{color:var(--txt);margin:32px 0 14px;line-height:1.45;letter-spacing:-.3px}
.prose h2{font-size:23px}.prose h3{font-size:19px}
.prose img{border-radius:14px;margin:24px auto;max-width:100%;height:auto}
.prose ul,.prose ol{padding-left:24px;margin:14px 0}
.prose li{margin:7px 0}
.prose blockquote{margin:22px 0;padding:16px 22px;border-left:3px solid var(--pri);
  background:#f2f7ff;border-radius:0 12px 12px 0;color:var(--muted)}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;border-radius:12px;overflow:hidden}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.prose th{background:#eef5ff;color:var(--txt);font-weight:600}
.prose a{color:var(--pri);text-decoration:underline;text-underline-offset:3px}
.prose hr{border:0;border-top:1px solid var(--line);margin:30px 0}

/* 详情页 */
.detail-h1{font-size:clamp(24px,3vw,36px);line-height:1.4;letter-spacing:-.6px;max-width:960px;font-weight:750}
.detail-meta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:18px;font-size:12.5px;color:var(--muted-2)}
.detail-meta > span{display:inline-flex;align-items:center;gap:6px}
.detail-meta .meta-area{padding:2px 10px;border-radius:999px;background:#e8f4ff;
  color:var(--pri);border:1px solid rgba(37,99,235,.18)}
.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.article-card{padding:42px;cursor:default}
.article-card:hover{transform:none;box-shadow:var(--shadow-sm);border-color:var(--line)}
.article-lead{margin:0 0 26px;padding:16px 20px;border-left:3px solid var(--pri);border-radius:0 12px 12px 0;
  background:#f2f7ff;color:#334772;font-size:15px}
.article-cover{border-radius:14px;overflow:hidden;margin-bottom:28px}
.article-cover img{width:100%;max-height:420px;object-fit:cover}
.product-top{display:grid;grid-template-columns:300px 1fr;gap:30px;align-items:start;margin-bottom:32px;
  padding-bottom:28px;border-bottom:1px solid var(--line)}
.product-media{border-radius:14px;overflow:hidden;background:#eef3fb}
.product-media img{width:100%;aspect-ratio:1/1;object-fit:cover}
.product-info h2{font-size:22px}
.price-tag{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.price-tag span{font-size:12px;color:var(--muted-2);letter-spacing:1px}
.price-tag b{font-size:34px;font-weight:800;letter-spacing:-1px;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.price-tag b i{font-style:normal;font-size:16px;margin-right:2px}
.price-tag em{font-style:normal;font-size:12px;color:var(--muted-2)}
.product-sum{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.product-usp{list-style:none;display:flex;flex-direction:column;gap:9px;margin-bottom:22px;font-size:14px;color:var(--muted)}
.product-usp li{display:flex;align-items:center;gap:8px}
.product-usp .ico{color:var(--pri)}
.detail-pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.detail-pager a{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:12px;transition:.2s;background:#fff}
.detail-pager a:hover{border-color:rgba(37,99,235,.35);background:#f6faff}
.detail-pager .next{text-align:right}
.detail-pager span{display:block;font-size:11.5px;color:var(--muted-2);margin-bottom:5px}
.detail-pager b{font-size:14px;font-weight:500;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}

.side{display:flex;flex-direction:column;gap:18px;position:sticky;top:96px}
.side .card{padding:24px}
.side .card:hover{transform:none}
.side-kicker{display:block;font-size:10.5px;letter-spacing:2.4px;color:var(--pri);margin-bottom:12px}
.side-cta{background:linear-gradient(165deg,#eef5ff,#f6fbff);border-color:rgba(37,99,235,.22)}
.side-cta h3{font-size:20px;line-height:1.45;margin-bottom:10px}
.side-cta p{font-size:13px;color:var(--muted);margin-bottom:18px}
.side-tel{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:14px;font-size:14px;color:var(--pri)}
.side-tel.big{font-size:20px;font-weight:700;margin:14px 0 8px}
.side-mail{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted)}
.side-block h4{font-size:14px;margin-bottom:14px;display:flex;align-items:center;gap:7px;color:var(--txt)}
.side-link{display:block;padding:10px 0;border-bottom:1px dashed var(--line)}
.side-link:last-child{border-bottom:0}
.side-link b{display:block;font-size:13.5px;font-weight:500;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-link span{font-size:11.5px;color:var(--muted-2)}
.side-link:hover b{color:var(--pri)}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags a{font-size:12.5px;padding:5px 12px;border-radius:8px;border:1px solid var(--line);color:var(--muted);background:#fff}
.side-tags a:hover{color:var(--pri);background:#eef5ff;border-color:rgba(37,99,235,.35)}

/* ============================================================
   城市分站页
   ============================================================ */
.area-search{display:flex;align-items:center;gap:12px;padding:13px 18px;border-radius:14px;
  border:1px solid var(--line-2);background:#fff;box-shadow:var(--shadow-sm);margin-bottom:28px}
.area-search .ico{color:var(--muted-2)}
.area-search input{flex:1;background:transparent;border:0;outline:none;color:var(--txt);font-size:15px}
.area-search input::placeholder{color:var(--muted-2)}
#areaCount{font-size:12.5px;color:var(--muted-2)}
.area-list{display:flex;flex-direction:column}
.area-row{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
.area-row:first-child{padding-top:6px}
.area-prov{font-size:16px;font-weight:700;color:var(--txt);display:flex;align-items:baseline;gap:8px}
.area-prov i{font-style:normal;font-size:11.5px;color:var(--muted-2);font-weight:400}
.area-prov:hover{color:var(--pri)}
.area-citys{display:flex;flex-wrap:wrap;gap:8px 6px}
.area-citys a{font-size:13.5px;color:var(--muted);padding:5px 12px;border-radius:8px;transition:.18s}
.area-citys a:hover{color:var(--pri);background:#eef5ff}
.area-citys a.city-main{color:var(--pri);background:#e8f2ff;border:1px solid rgba(37,99,235,.22)}
.empty-tip{margin-top:28px;color:var(--muted);font-size:14px}

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.contact-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.addr-card{padding:26px}
.addr-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.addr-index{font-size:11px;letter-spacing:1.4px;color:var(--muted-2);padding:2px 8px;border-radius:6px;
  border:1px solid var(--line);background:#f8fbff}
.addr-head h3{font-size:17px;margin:0;display:flex;align-items:center;gap:8px}
.badge{font-style:normal;font-size:10px;letter-spacing:1px;padding:2px 7px;border-radius:999px;
  background:rgba(169,116,31,.10);color:var(--gold);border:1px solid rgba(169,116,31,.28);font-weight:500}
.addr-info{list-style:none;display:flex;flex-direction:column;gap:9px;margin-bottom:18px}
.addr-info li{display:flex;gap:9px;font-size:13.5px;color:var(--muted);line-height:1.6}
.addr-info .ico{color:var(--muted-2);margin-top:3px}
.addr-info a:hover{color:var(--pri)}
.contact-side{display:flex;flex-direction:column;gap:18px}
.contact-form-card{padding:30px}
.contact-form-card h3{font-size:19px;margin-bottom:6px}
.stack{display:flex;flex-direction:column;gap:14px;margin-top:18px}
.stack label{display:block;font-size:12.5px;color:var(--muted-2)}
.stack input,.stack textarea,.stack .sel{width:100%;margin-top:7px;padding:12px 14px;border-radius:11px;
  border:1px solid var(--line-2);background:#f8fbff;color:var(--txt);font-size:14.5px;outline:none;
  font-family:inherit;resize:vertical;transition:.2s}
.stack input:focus,.stack textarea:focus,.stack .sel:focus{border-color:var(--pri);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.10)}
.form-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-tip{font-size:13px;min-height:20px;color:var(--muted)}
.contact-quick{display:flex;flex-direction:column;gap:18px}
.cq-item{display:flex;gap:14px;align-items:flex-start}
.cq-ico{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);border:1px solid rgba(37,99,235,.16);color:var(--pri);flex:none}
.cq-item b{display:block;font-size:12.5px;color:var(--muted-2);font-weight:400}
.cq-item a,.cq-item span{font-size:15px;color:var(--txt)}
.cq-item a:hover{color:var(--pri)}

/* ============================================================
   咨询页
   ============================================================ */
.msg-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start}
.msg-card{padding:36px}
.msg-card .stack{margin-top:0}
.msg-side{display:flex;flex-direction:column;gap:16px}
.msg-side .side-block h4{font-size:13.5px;color:var(--muted-2);font-weight:500;letter-spacing:.5px}
.msg-side .side-block p{font-size:13.5px;color:var(--muted);margin-bottom:6px}
.msg-side .side-block a{font-size:14px;color:var(--pri)}
.sm{font-size:12.5px}

/* ============================================================
   搜索
   ============================================================ */
.search-bar{display:flex;align-items:center;gap:12px;margin-top:28px;max-width:660px;
  padding:8px 8px 8px 18px;border:1px solid var(--line-2);border-radius:14px;background:#fff;box-shadow:var(--shadow-sm)}
.search-bar .ico{color:var(--muted-2)}
.search-bar input{flex:1;background:transparent;border:0;outline:none;color:var(--txt);font-size:15px;padding:10px 0}
.result-count{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.result-count b{color:var(--pri)}
.search-list{display:flex;flex-direction:column;gap:12px}
.search-item{padding:24px 26px}
.search-item:hover{transform:translateY(-2px)}
.si-date{font-size:11.5px;letter-spacing:1.2px;color:var(--muted-2)}
.search-item h3{font-size:16.5px;margin:8px 0 6px}
.search-item p{font-size:13.5px;margin-bottom:12px}

/* ============================================================
   404
   ============================================================ */
.err-wrap{text-align:center;padding:70px 0 40px;max-width:720px;margin:0 auto}
.err-code{font-size:clamp(90px,16vw,160px);line-height:1;font-weight:900;letter-spacing:-6px;
  background:linear-gradient(120deg,rgba(37,99,235,.28),#2563eb 40%,rgba(6,182,212,.45));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.err-wrap h1{font-size:26px;margin:10px 0 12px}
.err-actions{display:flex;gap:12px;justify-content:center;margin:26px 0 34px;flex-wrap:wrap}
.err-links{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;font-size:13.5px;color:var(--muted-2)}
.err-links span{color:var(--muted-2)}
.err-links a:hover{color:var(--pri)}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{margin-top:80px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,#f7faff,#eaf1fb)}
.foot-top{display:grid;grid-template-columns:1.6fr .8fr .8fr 1.2fr .7fr;gap:40px;padding:64px 28px 48px}
.foot-brand .logo{margin-bottom:18px}
.foot-desc{font-size:13.5px;color:var(--muted);max-width:300px;line-height:1.8}
.foot-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px}
.foot-contact a{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.foot-contact a:hover{color:var(--pri)}
.foot-contact .ico{color:var(--pri)}
.foot-col h4{font-size:13px;letter-spacing:1.5px;color:var(--txt);margin-bottom:16px;text-transform:uppercase;font-weight:600}
.foot-col a{display:block;font-size:13.5px;color:var(--muted);padding:4px 0}
.foot-col a:hover{color:var(--pri);transform:translateX(2px)}
.foot-addr .addr-item{padding:10px 0;border-bottom:1px dashed var(--line-2)}
.foot-addr .addr-item:last-of-type{border-bottom:0}
.addr-item b{display:block;font-size:13px;color:var(--txt);margin-bottom:3px;font-weight:600}
.addr-item span{display:block;font-size:12.5px;color:var(--muted);line-height:1.7}
.addr-item .tel{color:var(--pri);margin-top:2px}
.more-addr{font-size:12.5px;color:var(--pri);margin-top:8px;display:inline-block}
.foot-qr{text-align:center}
.foot-qr img{width:120px;border-radius:12px;border:1px solid var(--line);margin:0 auto 10px;padding:6px;background:#fff}
.foot-qr p{font-size:11.5px;color:var(--muted-2);line-height:1.6}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 28px;border-top:1px solid var(--line-2);font-size:12px;color:var(--muted-2)}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a:hover{color:var(--pri)}

/* 浮动按钮 */
.float-box{position:fixed;right:24px;bottom:28px;z-index:70;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float-btn{display:inline-flex;align-items:center;gap:7px;padding:12px 18px;border-radius:14px;
  background:var(--grad);color:#fff;font-size:13.5px;font-weight:600;border:0;cursor:pointer;
  box-shadow:0 14px 30px rgba(37,99,235,.30);transition:.25s var(--ease)}
.float-btn:hover{transform:translateY(-3px);color:#fff}
.float-btn.ghost{background:#fff;color:var(--txt);border:1px solid var(--line-2);
  box-shadow:var(--shadow-sm);padding:11px 13px}
.float-btn.ghost:hover{color:var(--pri);border-color:rgba(37,99,235,.4)}
.float-btn.ghost .ico{transform:rotate(-90deg)}

/* ============================================================
   算力页专用
   ============================================================ */
.cmp-hero{padding:44px 0 40px;
  background:radial-gradient(760px 340px at 78% -20%,rgba(6,182,212,.14),transparent),
             radial-gradient(680px 320px at 8% -30%,rgba(37,99,235,.16),transparent)}
.cmp-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;margin-top:6px}
.cmp-copy h1{font-size:clamp(34px,4.2vw,56px);line-height:1.16;letter-spacing:-1.4px;font-weight:800}
.cmp-copy .lead{max-width:540px}
.cmp-panel{position:relative}

.console-card{position:relative;border-radius:22px;padding:24px 24px 20px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);overflow:hidden}
.console-card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,rgba(37,99,235,.1),rgba(37,99,235,.7),rgba(6,182,212,.15))}
.cc-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.cc-dots{display:flex;gap:5px}
.cc-dots i{width:8px;height:8px;border-radius:50%;background:#e2eaf5}
.cc-dots i:nth-child(1){background:#ff8a8a}.cc-dots i:nth-child(2){background:#ffc857}.cc-dots i:nth-child(3){background:#4ade80}
.cc-title{font-size:13px;color:var(--muted)}
.cc-badge{margin-left:auto;font-style:normal;font-size:10px;letter-spacing:1.4px;color:var(--ok);
  border:1px solid rgba(15,157,110,.3);background:rgba(15,157,110,.07);padding:2px 8px;border-radius:999px}
.cc-rows{display:flex;flex-direction:column;gap:13px;padding:18px 0 4px}
.cc-row{display:grid;grid-template-columns:88px 1fr 38px;align-items:center;gap:12px;font-size:12.5px;color:var(--muted)}
.cc-row i{position:relative;display:block;height:7px;border-radius:5px;background:#eaf0f9;overflow:hidden}
.cc-row i::before{content:"";position:absolute;inset:0;width:var(--v);border-radius:5px;background:var(--grad)}
.cc-row b{text-align:right;color:var(--txt);font-weight:600;font-variant-numeric:tabular-nums}
.cc-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:16px 0;margin-top:8px;border-top:1px solid var(--line)}
.cc-meta div{text-align:center}
.cc-meta b{display:block;font-size:20px;font-weight:800;letter-spacing:-.5px;color:var(--txt);font-variant-numeric:tabular-nums}
.cc-meta span{font-size:11.5px;color:var(--muted-2)}
.cc-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;
  border-top:1px dashed var(--line-2);font-size:12px;color:var(--muted-2)}
.cc-foot b{font-size:18px;font-weight:800;color:var(--pri);font-variant-numeric:tabular-nums}
.cc-foot b i{font-style:normal;font-size:12px;margin-right:2px}
.cc-foot b span{font-size:11.5px;font-weight:400;color:var(--muted-2);margin-left:3px}

/* 套餐卡 */
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px 24px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:.3s var(--ease)}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(37,99,235,.25)}
.plan.hot{border-color:rgba(37,99,235,.45);box-shadow:0 20px 48px rgba(37,99,235,.16)}
.plan-badge{position:absolute;right:20px;top:20px;font-size:10.5px;letter-spacing:1.2px;padding:3px 9px;
  border-radius:999px;background:var(--grad);color:#fff;font-weight:600}
.plan-name{font-size:17px;margin-bottom:6px}
.plan-gpu{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--pri);font-weight:600;margin-bottom:18px}
.plan-specs{list-style:none;display:flex;flex-direction:column;gap:9px;padding:16px 0;margin-bottom:14px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.plan-specs li{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px}
.plan-specs span{color:var(--muted-2)}
.plan-specs b{color:var(--txt);font-weight:600;text-align:right}
.plan-scene{display:flex;align-items:flex-start;gap:6px;font-size:12.5px;color:var(--muted);line-height:1.6;margin-bottom:16px}
.plan-scene .ico{color:var(--pri);margin-top:3px}
.plan-price{display:flex;align-items:baseline;gap:6px;margin-bottom:6px}
.plan-price b{font-size:28px;font-weight:800;letter-spacing:-1px;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums}
.plan-price b i{font-style:normal;font-size:14px;margin-right:1px}
.plan-price b.ask{font-size:22px}
.plan-price span{font-size:11.5px;color:var(--muted-2)}
.plan-note{font-size:11.5px;color:var(--muted-2);line-height:1.6;margin-bottom:18px;min-height:34px}
.plan .btn{margin-top:auto}
.plans-foot{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:30px;
  font-size:12.5px;color:var(--muted);flex-wrap:wrap;text-align:center}
.plans-foot .ico{color:var(--ok)}

/* 两栏 + 理由 + 指标 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-copy h2{font-size:clamp(24px,2.8vw,36px);line-height:1.3;letter-spacing:-.8px;margin-bottom:16px}
.split-copy > .muted{font-size:15px;max-width:480px}
.why-list{list-style:none;display:flex;flex-direction:column;gap:16px;margin:28px 0 30px}
.why-list li{display:flex;gap:14px;align-items:flex-start}
.why-ico{width:38px;height:38px;border-radius:11px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);border:1px solid rgba(37,99,235,.16);color:var(--pri)}
.why-list b{display:block;font-size:15px;margin-bottom:2px}
.why-list span{font-size:13.5px;color:var(--muted);line-height:1.7}
.stat-panel{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.stat{background:#fff;padding:34px 26px;text-align:center}
.stat:nth-child(1){background:linear-gradient(160deg,#f2f7ff,#fff)}
.stat b{display:block;font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-1px;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--muted)}

/* 组合方案 */
.combo-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.combo{padding:34px}
.combo-tag{display:inline-block;font-size:11px;letter-spacing:1.6px;padding:3px 10px;border-radius:999px;
  background:#f1f5fd;color:var(--muted);border:1px solid var(--line);margin-bottom:14px}
.combo h3{font-size:21px}
.combo .muted{font-size:14px;margin-bottom:20px}
.combo-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:24px;font-size:14px;color:var(--muted)}
.combo-list li{display:flex;align-items:flex-start;gap:8px}
.combo-list .ico{color:var(--pri);margin-top:3px}
.combo.on{border-color:rgba(37,99,235,.3);background:linear-gradient(165deg,#f2f7ff,#ffffff)}
.combo.on .combo-tag{background:var(--grad);color:#fff;border-color:transparent}
.cmp-note{margin-top:34px;padding:28px 32px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow-sm)}

/* 动效 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1180px){
  .foot-top{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
  .foot-qr{display:none}
  .plan-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .hero-in,.cmp-grid{grid-template-columns:1fr;gap:44px}
  .hero-panel,.cmp-panel{max-width:520px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step-arrow{display:none}
  .detail-grid{grid-template-columns:1fr}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side .card{flex:1 1 260px}
  .contact-grid,.msg-layout{grid-template-columns:1fr}
  .cta-in{grid-template-columns:1fr;padding:44px}
  .cta-card{max-width:420px}
  .split{grid-template-columns:1fr;gap:36px}
  .combo-grid{grid-template-columns:1fr}
}
@media (max-width:860px){
  .topbar{display:none}
  .header-in{height:64px;gap:14px}
  .nav{position:fixed;left:0;right:0;top:64px;bottom:0;background:#fff;backdrop-filter:blur(18px);
    flex-direction:column;align-items:stretch;gap:2px;padding:20px;overflow-y:auto;
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:.25s var(--ease);
    border-top:1px solid var(--line);box-shadow:0 20px 40px rgba(24,49,94,.10)}
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav > a,.nav-item > a{font-size:16px;padding:13px 14px}
  .nav-drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    background:transparent;padding:0 0 6px 14px;display:flex;flex-wrap:wrap;gap:4px}
  .nav-drop a{padding:7px 10px;font-size:14px;background:#f4f8ff;border-radius:8px}
  .nav-drop a em{display:none}
  .menu-btn{display:flex}
  .header-cta .btn-grad{display:none}
  .hotline span{display:none}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .insight-grid{grid-template-columns:1fr}
  .ph-meta{display:none}
  .contact-list{grid-template-columns:1fr}
  .article-card{padding:26px}
  .product-top{grid-template-columns:1fr}
  .product-media img{aspect-ratio:16/10}
  .foot-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 22px 32px}
  .section{padding:72px 0}
  .metrics-in{grid-template-columns:repeat(2,1fr);gap:28px 16px;padding:34px 22px}
  .metric + .metric::before{display:none}
  .area-row{grid-template-columns:1fr;gap:10px}
  .platform-strip{gap:14px;padding:16px}
  .ps-list{gap:16px}
  .cmp-hero{padding:26px 0 30px}
}
@media (max-width:620px){
  .wrap{padding:0 18px}
  .hero{padding:44px 0 28px}
  .hero h1{letter-spacing:-1px}
  .cmp-copy h1{letter-spacing:-1px}
  .hero-proof{gap:28px}
  .hero-proof b{font-size:26px}
  .grid-3,.grid-4,.steps,.plan-grid{grid-template-columns:1fr}
  .post{grid-template-columns:1fr;gap:10px;padding:20px}
  .post-date{text-align:left;border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px}
  .post-date b{display:inline;font-size:15px;margin-right:8px}
  .post-arrow{display:none}
  .detail-pager{grid-template-columns:1fr}
  .cta-in{padding:30px 24px}
  .cta-actions .btn{width:100%}
  .foot-top{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .float-box{right:14px;bottom:16px}
  .float-btn span{display:none}
  .float-btn{padding:13px;border-radius:50%}
  .section{padding:60px 0}
  .sec-head{margin-bottom:36px}
  .faq-item p{max-width:100%}
  .form-2{grid-template-columns:1fr}
  .combo,.cmp-note{padding:24px}
}

/* ============================================================
   算力 API 页（v5）
   ============================================================ */
.api-hero{padding-bottom:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;margin-top:26px;font-size:13.5px;color:var(--muted)}
.hero-points li{display:flex;align-items:center;gap:6px}
.hero-points .ico{color:var(--ok)}
.ok-txt{color:var(--ok)!important}
code.inline{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;
  padding:2px 7px;border-radius:6px;background:#eef4fe;color:#1d4ed8;border:1px solid #dbe7fb;
  word-break:break-all}

/* ---- 代码卡 ---- */
.code-card{position:relative;border-radius:20px;overflow:hidden;background:#0d1526;
  border:1px solid #1b2942;box-shadow:0 30px 70px rgba(9,20,45,.28)}
.code-card .cc-head{display:flex;align-items:center;gap:10px;padding:14px 18px;
  border-bottom:1px solid rgba(255,255,255,.07);background:rgba(255,255,255,.02)}
.code-card .cc-title{font-size:12.5px;color:#8fa3c4;font-family:ui-monospace,Menlo,Consolas,monospace}
.code-card .cc-badge{color:#4ade80;background:rgba(74,222,128,.1);border-color:rgba(74,222,128,.25)}
.code-copy{margin-left:auto;font-size:11.5px;color:#9fb2d0;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);border-radius:7px;padding:4px 10px;cursor:pointer;
  transition:.2s var(--ease);font-family:inherit}
.code-copy:hover{color:#fff;background:rgba(255,255,255,.13)}
.code-tabs{display:flex;gap:2px;padding:10px 14px 0;background:rgba(255,255,255,.02);
  border-bottom:1px solid rgba(255,255,255,.06);overflow-x:auto;scrollbar-width:none}
.code-tabs::-webkit-scrollbar{display:none}
.code-tabs button{flex:none;border:0;background:transparent;color:#7f93b4;font-size:12.5px;
  padding:7px 13px;border-radius:8px 8px 0 0;cursor:pointer;transition:.2s var(--ease);
  font-family:inherit;white-space:nowrap}
.code-tabs button:hover{color:#cfdcf2}
.code-tabs button.on{color:#eaf2ff;background:rgba(59,130,246,.18);
  box-shadow:inset 0 -2px 0 #38bdf8}
.code-pane{display:none}
.code-pane.on{display:block}
.code-card pre{margin:0;padding:18px 20px;overflow-x:auto;font-size:12.6px;line-height:1.85;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#c7d6ee;
  scrollbar-width:thin;scrollbar-color:#2b3d5c transparent}
.code-card pre::-webkit-scrollbar{height:8px}
.code-card pre::-webkit-scrollbar-thumb{background:#2b3d5c;border-radius:6px}
.code-card code{font-family:inherit;font-size:inherit;background:none;padding:0;border:0;color:inherit;white-space:pre}
.c-cm{color:#5d7395;font-style:italic}
.c-kw{color:#c084fc}
.c-fn{color:#38bdf8}
.c-st{color:#5eead4}
.code-body{min-height:326px}
.code-return{margin:0;padding:0 0 4px;border-top:1px dashed rgba(255,255,255,.1);background:rgba(56,189,248,.04)}
.cr-label{display:block;padding:12px 20px 0;font-size:10.5px;letter-spacing:1.6px;color:#6b82a6;text-transform:uppercase}
.code-return pre{padding:10px 20px 16px;font-size:11.6px;color:#9fb6d6}

/* ---- 模型价格表 ---- */
.api-table-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-sm);overflow:hidden}
.api-table{width:100%;border-collapse:collapse}
.api-table thead th{text-align:left;font-size:11.5px;letter-spacing:1.3px;text-transform:uppercase;
  color:var(--muted-2);font-weight:600;padding:14px 20px;background:var(--panel-2);
  border-bottom:1px solid var(--line);white-space:nowrap}
.api-table td{padding:18px 20px;border-bottom:1px solid #f0f4fa;vertical-align:middle}
.api-table tbody tr:last-child td{border-bottom:0}
.api-table tbody tr{transition:background .2s var(--ease)}
.api-table tbody tr:hover{background:#f9fbff}
.api-table .num{text-align:right;white-space:nowrap}
.api-table .act{text-align:right;width:92px}
.am-name{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.am-name b{font-size:15.5px;font-weight:700;letter-spacing:-.2px;display:inline-flex;align-items:center;gap:8px}
.am-badge{font-style:normal;font-size:10px;letter-spacing:.6px;padding:2px 7px;border-radius:999px;
  color:#1d4ed8;background:#eaf1ff;border:1px solid #d4e2fb;font-weight:600}
.am-vendor{font-size:11.5px;color:var(--muted-2);padding:1px 7px;border-radius:6px;background:#f4f7fc}
.am-desc{font-size:12.5px;color:var(--muted);line-height:1.65;margin-top:6px;max-width:460px}
.am-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.am-tags i{font-style:normal;font-size:11px;color:#456089;background:#f2f6fd;border:1px solid #e6eefa;
  padding:1px 7px;border-radius:5px}
.am-ctx{display:inline-block;font-size:12px;font-weight:600;color:#0e7490;background:#ecfdff;
  border:1px solid #cbf3fa;padding:2px 8px;border-radius:6px;font-variant-numeric:tabular-nums}
.am-price{font-size:15px;font-weight:700;color:var(--txt);font-variant-numeric:tabular-nums}
.am-lat{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--muted);
  font-variant-numeric:tabular-nums}
.am-lat .ico{color:var(--pri2)}
.api-tip{display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;margin-top:18px;
  padding:16px 22px;border-radius:14px;background:linear-gradient(100deg,#f3f8ff,#f0fbff);
  border:1px solid #dbe9fb;font-size:13px;color:var(--muted)}
.api-tip > b{display:inline-flex;align-items:center;gap:6px;color:var(--pri);font-size:13px}
.api-tip span b{color:var(--txt)}
.api-split{align-items:start;gap:48px}
.api-doc{position:sticky;top:96px}

@media (max-width:1024px){
  .api-doc{position:static}
  .api-table .am-desc{max-width:none}
}
@media (max-width:860px){
  .code-body{min-height:0}
  .api-table thead{display:none}
  .api-table,.api-table tbody,.api-table tr,.api-table td{display:block;width:auto}
  .api-table tr{padding:16px 18px;border-bottom:1px solid var(--line);position:relative}
  .api-table td{border:0;padding:0}
  .api-table td.num,.api-table td.act{display:inline-block;margin-top:10px;text-align:left}
  .api-table td.num{margin-right:18px}
  .api-table td.num::before{content:attr(data-label);font-size:11px;color:var(--muted-2);margin-right:6px}
  .api-table td.act{position:absolute;right:16px;top:16px;width:auto}
  .am-desc{margin-top:8px}
  .api-tip{gap:8px 14px;padding:14px 18px}
}
@media (max-width:620px){
  .code-card pre{padding:15px 16px;font-size:11.6px}
  .code-card .cc-head{padding:12px 15px}
  .code-tabs{padding:8px 10px 0}
  .api-tip{display:block}
  .api-tip span{display:block;margin-top:6px}
}

/* 深色代码卡内的统计条 */
.code-card .cc-meta{border-top:1px solid rgba(255,255,255,.08);padding:14px 0 10px}
.code-card .cc-meta b{color:#eaf2ff;font-size:18px}
.code-card .cc-meta span{color:#7f93b4}
.code-card .cc-foot{border-top:1px solid rgba(255,255,255,.08);color:#8fa3c4;font-size:12px}
.code-card .cc-foot b{color:#5eead4;font-size:17px}
.code-card .cc-foot b span{color:#7f93b4}

/* ============================================================
   v1.4 · 单页配图（关于我们 / 公司简介 右侧轮播）
   ============================================================ */
.about-wrap{display:grid;gap:26px;align-items:start}
.about-wrap.has-media{grid-template-columns:minmax(0,1.26fr) minmax(320px,.92fr)}
.about-wrap .prose-wrap{padding:44px 46px}
.about-media{position:sticky;top:96px;z-index:1}
.about-media::before{content:"";position:absolute;left:22px;right:-16px;top:22px;bottom:-14px;border-radius:26px;
  background:var(--grad-soft);filter:blur(16px);z-index:-1}
.about-slider{position:relative}
.as-view{position:relative;aspect-ratio:4/3;border-radius:22px;overflow:hidden;background:#e8f0fb;
  border:1px solid rgba(37,99,235,.14);
  box-shadow:0 24px 60px rgba(24,49,94,.16),0 1px 0 rgba(255,255,255,.7) inset;
  isolation:isolate;touch-action:pan-y}
.as-view::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}
.as-slide{position:absolute;inset:0;opacity:0;transform:scale(1.01);z-index:0;
  transition:opacity .8s var(--ease),transform 7s linear}
.as-slide.on{opacity:1;transform:scale(1.06);z-index:1}
.as-slide img{width:100%;height:100%;object-fit:cover}
.as-slide figcaption{position:absolute;left:0;right:0;bottom:0;padding:58px 22px 18px;
  background:linear-gradient(to top,rgba(6,17,36,.80),rgba(6,17,36,.30) 56%,transparent);
  color:#f2f8ff;font-size:13.5px;line-height:1.6;letter-spacing:.2px;display:flex;align-items:center;gap:9px}
.as-slide figcaption span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.as-slide figcaption::before{content:"";width:16px;height:2px;border-radius:2px;background:#5eead4;flex:none}
.as-chip{position:absolute;top:14px;right:14px;z-index:3;display:inline-flex;align-items:baseline;gap:2px;
  padding:5px 11px;border-radius:999px;background:rgba(8,20,40,.52);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  color:#e8f2ff;font-size:11.5px;letter-spacing:.6px;font-variant-numeric:tabular-nums;
  border:1px solid rgba(255,255,255,.18)}
.as-chip b{font-weight:700}
.as-chip i{font-style:normal;color:#a8c6e8}
.as-arrow{position:absolute;top:50%;z-index:3;width:38px;height:38px;border-radius:50%;padding:0;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#12335f;
  box-shadow:0 8px 22px rgba(9,28,60,.18);opacity:0;
  transform:translateY(-50%);transition:opacity .25s var(--ease),background .2s,color .2s}
.as-arrow.prev{left:13px;transform:translateY(-50%) rotate(180deg)}
.as-arrow.next{right:13px}
.about-slider:hover .as-arrow,.about-slider:focus-within .as-arrow{opacity:1}
.as-arrow:hover{background:#fff;color:var(--pri)}
.as-dots{display:flex;justify-content:center;gap:2px;margin-top:10px}
.as-dots button{position:relative;width:20px;height:20px;border:0;background:none;padding:0;cursor:pointer}
.as-dots button::after{content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;margin:-3.5px 0 0 -3.5px;
  border-radius:99px;background:#c3d4ec;transition:width .3s var(--ease),margin-left .3s var(--ease),background .3s}
.as-dots button:hover::after{background:#93b4de}
.as-dots button.on::after{width:24px;margin-left:-12px;background:var(--grad)}
.as-note{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:10px;
  font-size:12px;color:var(--muted-2);letter-spacing:.3px}
.as-note .ico{color:var(--pri2)}

@media (max-width:1024px){
  .about-wrap.has-media{grid-template-columns:1fr}
  .about-media{position:static;order:-1}
  .about-media::before{display:none}
  .about-wrap .prose-wrap{padding:32px 30px}
  .as-view{aspect-ratio:16/10}
  .as-arrow{opacity:1;width:34px;height:34px}
}
@media (max-width:620px){
  .about-wrap .prose-wrap{padding:26px 22px}
  .as-view{aspect-ratio:4/3;border-radius:18px}
  .as-slide figcaption{font-size:12.5px;padding:48px 16px 14px}
  .as-chip{top:10px;right:10px;font-size:11px;padding:4px 9px}
}
@media (prefers-reduced-motion:reduce){
  .as-slide{transition:opacity .2s linear;transform:none!important}
}