/* =========================================================
   网吧123平台 · 主站首页
   设计语言参照 Apple 官网：中性色、大字号、宽留白、
   白与浅灰分段交替、卡片无边框无投影、胶囊按钮
   与 style.css 相互独立，智能控制页不受影响
   ========================================================= */

:root{
  /* 工业风：与首页 landing.css 同一套底与面板，只靠明度分层，不用描边 */
  --bg:#0B0D11;
  --bg-2:#12151C;          /* 面板 */
  --bg-3:#171B23;          /* 面板悬停 */
  --panel-3:#1D222B;       /* 标签块 */
  --ink:#ffffff;
  --ink-2:rgba(255,255,255,.66);
  --ink-3:rgba(255,255,255,.52);
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.05);
  /* 深色底上朱红可直接用；按钮改墨色文字（4.97:1），不用白字（仅 3.86:1） */
  --fire:#F0400F;
  --fire-600:#F0400F;
  --fire-700:#ff5a26;
  --fire-tint:rgba(240,64,15,.14);
  --fire-tint-2:rgba(240,64,15,.22);
  --on:#34C759;

  --r:12px;
  --r-lg:14px;
  --maxw:1120px;
  --ease:cubic-bezier(.28,.11,.32,1);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro SC","SF Pro Text","PingFang SC",
         "HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",
         system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
  line-height:1.5;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  letter-spacing:-.01em;
}
body.locked{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
::selection{background:rgba(240,64,15,.35);color:var(--ink)}

h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.022em;line-height:1.1}

/* ---------- 布局 ---------- */
.wrap{width:min(var(--maxw),90vw);margin-inline:auto}
.sec{position:relative;padding:clamp(64px,8vw,110px) 0}
.sec-head{max-width:720px;margin:0 auto clamp(40px,5vw,64px);text-align:center}
.sec-title{font-size:clamp(30px,4.4vw,52px);letter-spacing:-.028em}
.sec-sub{margin:18px auto 0;color:var(--ink-2);font-size:clamp(16px,1.7vw,19px);
  line-height:1.5;letter-spacing:-.01em}
.hl-txt{color:var(--ink);font-weight:500}
.grad,.grad-2,.hl{color:var(--ink)}   /* 标题不做半词变色，品牌色留给标志与按钮 */

/* 分段：白 / 浅灰交替 */
#biz,#process,#contact{background:var(--bg-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 24px;border-radius:980px;font-size:17px;font-weight:400;
  letter-spacing:-.01em;transition:.2s var(--ease);white-space:nowrap;
  border:1px solid transparent
}
.btn-1{background:var(--fire);color:#0E0F12;font-weight:600}
.btn-1:hover{background:var(--fire-700)}
.btn-2{background:transparent;color:var(--fire-600);border-color:var(--fire-600)}
.btn-2:hover{background:var(--fire);color:#0E0F12}
.btn-sm{padding:8px 18px;font-size:15px}

/* 文字链：苹果标志性的「了解更多 ›」 */
.link{display:inline-flex;align-items:center;gap:3px;color:var(--fire-600);font-size:17px}
.link::after{content:"\203A";font-size:20px;line-height:1;transition:transform .2s var(--ease)}
.link:hover::after{transform:translateX(3px)}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:200;height:48px;
  background:rgba(11,13,17,.72);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line-soft)
}
.nav-in{display:flex;align-items:center;gap:0;height:48px}
.logo{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-right:auto}
.logo .mark{width:24px;height:24px;flex-shrink:0}
.logo .wm{display:flex;flex-direction:column;gap:1px;line-height:1}
.logo .wm b{font-family:"Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  font-size:14px;font-weight:600;line-height:1;white-space:nowrap;
  letter-spacing:.22em;margin-right:-.22em}
.logo .wm b .sp{display:inline-block;width:.42em}
.logo .wm b .pt{font-style:normal;color:var(--fire)}
.logo .wm em{font-style:normal;font-size:9.5px;font-weight:400;letter-spacing:.01em;color:var(--ink-3)}

.nav-links{display:flex;align-items:center;gap:0;margin-left:auto}
.nav-links > a{padding:0 14px;font-size:12.5px;font-weight:400;color:var(--ink);
  opacity:.85;transition:opacity .2s;white-space:nowrap;line-height:48px}
.nav-links > a:hover{opacity:1}
.nav-links > a.on{opacity:1;font-weight:500}

.nav-drop{position:relative}
.nav-dt{display:inline-flex;align-items:center;gap:4px;padding:0 14px;font-size:12.5px;
  color:var(--ink);opacity:.85;line-height:48px;transition:opacity .2s}
.nav-dt .caret{width:11px;height:11px;transition:transform .25s var(--ease)}
.nav-dt:hover,.nav-drop.open .nav-dt{opacity:1}
.nav-drop.open .nav-dt .caret{transform:rotate(180deg)}
.nav-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(-4px);
  width:330px;padding:10px;border-radius:var(--r);z-index:10;
  background:rgba(11,13,17,.92);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  background:var(--bg-2);box-shadow:0 12px 40px rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:.22s var(--ease)
}
.nav-drop:hover .nav-menu,.nav-drop.open .nav-menu{opacity:1;visibility:visible;transform:translateX(-50%)}
.nav-menu::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.nav-menu a{display:flex;align-items:flex-start;gap:12px;padding:10px 12px;border-radius:12px;
  transition:background .18s;line-height:1.4}
.nav-menu a:hover{background:var(--bg-3)}
.nm-i{width:34px;height:34px;border-radius:9px;flex-shrink:0;display:grid;place-items:center;
  background:var(--bg-2);color:var(--ink)}
.nm-i svg{width:18px;height:18px}
.nm-t{display:flex;flex-direction:column;gap:2px;min-width:0}
.nm-t b{font-size:14px;font-weight:500;white-space:nowrap}
.nm-t i{font-style:normal;font-size:12px;color:var(--ink-3)}
.nm-out{width:11px;height:11px;margin-left:auto;margin-top:4px;flex-shrink:0;color:var(--ink-3)}
.nav-cta{margin-left:14px;flex-shrink:0}
.burger{display:none;margin-left:auto;width:34px;height:34px;border-radius:8px;place-items:center}
.burger span{display:block;width:16px;height:1.5px;background:var(--ink);border-radius:2px;transition:.28s}
.burger span+span{margin-top:4px}
.burger.x span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ---------- 首屏：左文右图 ---------- */
.hero{padding:calc(48px + clamp(40px,5vw,72px)) 0 clamp(30px,4vw,48px);background:var(--bg)}
.hero-in{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  align-items:center;gap:clamp(32px,5vw,64px)
}
.hero-copy{max-width:none;margin:0}
.hero-tag{display:inline-block;font-size:14px;font-weight:500;color:var(--ink-2);
  letter-spacing:.02em;margin-bottom:14px}
.hero-tag i{font-style:normal}
.hero-h1{margin:0;font-size:clamp(32px,3.9vw,54px);font-weight:600;
  letter-spacing:-.03em;line-height:1.14}
.hero-lead{margin:20px 0 0;max-width:34em;font-size:clamp(15px,1.25vw,17.5px);
  color:var(--ink-2);line-height:1.7;letter-spacing:-.005em}
.hero-lead b{color:var(--ink);font-weight:500}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-start;margin-top:30px}

/* 首屏主视觉：案例轮播 */
.hero-vis{position:relative}
.shot{position:relative;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-2);
  box-shadow:0 2px 8px rgba(0,0,0,.5),0 28px 64px -20px rgba(0,0,0,.8)}
.shot-s{position:absolute;inset:0;margin:0;opacity:0;visibility:hidden;
  transition:opacity .7s var(--ease),visibility 0s .7s}
.shot-s.on{opacity:1;visibility:visible;transition:opacity .7s var(--ease)}
.shot-s img{width:100%;height:100%;object-fit:cover}
.shot-s figcaption{position:absolute;left:14px;bottom:13px;padding:5px 12px;border-radius:980px;
  font-size:12.5px;font-weight:500;letter-spacing:-.01em;color:#fff;
  background:rgba(14,15,18,.62);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.shot-dots{display:flex;justify-content:center;gap:7px;margin-top:16px}
.shot-dots button{width:7px;height:7px;padding:0;border:0;border-radius:980px;
  background:var(--line);cursor:pointer;transition:width .3s var(--ease),background .3s var(--ease)}
.shot-dots button.on{width:24px;background:var(--fire)}

/* 四项业务快捷入口（首屏内） */
.hero-biz{
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;
  margin-top:clamp(34px,4.5vw,56px);padding-top:clamp(26px,3.4vw,40px);
  border-top:1px solid var(--line-soft)
}
.hb{
  display:flex;flex-direction:column;gap:7px;padding:16px 16px 17px;
  border-radius:16px;transition:background .22s var(--ease),transform .22s var(--ease)
}
.hb:hover{background:var(--bg-2)}
.hb-i{
  display:grid;place-items:center;width:32px;height:32px;border-radius:9px;
  background:var(--bg-2);color:var(--ink);transition:background .22s var(--ease)
}
.hb:hover .hb-i{background:var(--panel-3)}
.hb-i svg{width:17px;height:17px}
.hb b{font-size:14.5px;font-weight:600;letter-spacing:-.015em;line-height:1.3}
.hb i{font-style:normal;font-size:12.5px;color:var(--ink-2);line-height:1.5;letter-spacing:-.005em}

@media (max-width:1000px){
  .hero-in{grid-template-columns:1fr;gap:34px}
  .hero-biz{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .hero-biz{grid-template-columns:1fr;gap:2px}
  .hb{flex-direction:row;align-items:center;gap:12px;padding:12px 12px}
  .hb i{display:none}
}

/* ---------- 四条业务 ---------- */
.bizs{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.biz{
  display:flex;flex-direction:column;padding:clamp(28px,3.4vw,44px);
  border-radius:var(--r-lg);background:var(--bg-2);transition:.3s var(--ease)
}
.biz:hover{transform:translateY(-4px)}
.biz-i{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--bg-2);color:var(--ink);margin-bottom:22px}
.biz-i svg{width:27px;height:27px}
.biz h3{font-size:clamp(21px,2.4vw,28px);letter-spacing:-.02em;margin-bottom:12px}
.biz p{margin:0;font-size:16px;color:var(--ink-2);line-height:1.55}
.biz-pts{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:9px}
.biz-pts li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-2)}
.biz-pts li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;
  border-radius:50%;background:var(--ink-3)}
.biz-go{display:inline-flex;align-items:center;gap:3px;margin-top:auto;padding-top:24px;
  font-size:16px;color:var(--fire-600)}
.biz-go::after{content:"\203A";font-size:19px;line-height:1;transition:transform .2s var(--ease)}
.biz:hover .biz-go::after{transform:translateX(3px)}
.biz-go .ext{width:11px;height:11px;margin-left:2px}

/* ---------- 案例 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;
  margin-bottom:clamp(28px,3.4vw,40px)}
.filters button{padding:8px 18px;border-radius:980px;font-size:15px;color:var(--ink);
  background:var(--bg-2);transition:.2s}
.filters button:hover{background:var(--bg-3)}
.filters button.on{background:var(--fire);color:#0E0F12}
.wsearch{display:flex;align-items:center;gap:8px;min-width:250px;padding:8px 16px;
  border-radius:980px;background:var(--bg-2);transition:.2s}
.wsearch:focus-within{box-shadow:0 0 0 3px rgba(0,113,227,.25)}
.wsearch svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0}
.wsearch input{flex:1;min-width:0;border:0;outline:0;background:none;font-size:15px;
  color:var(--ink);font-family:inherit}
.wsearch input::placeholder{color:var(--ink-3)}
.ws-clear{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;color:#0E0F12;background:var(--fire)}
.ws-clear:hover{background:var(--ink)}

.works{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.work{position:relative;border-radius:var(--r);overflow:hidden;cursor:pointer;
  background:var(--bg-2);transition:.35s var(--ease)}
.work:hover{transform:translateY(-5px)}
.work img,.work video{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block;
  transition:transform .7s var(--ease)}
.work:hover img,.work:hover video{transform:scale(1.035)}
.work.hide{display:none}                                   /* 筛选用 */
.works:not(.all) .work:nth-of-type(n+7){display:none}       /* 首页默认只露 6 例 */
.work-badge{position:absolute;top:12px;left:12px;z-index:2;display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:980px;font-size:11.5px;font-weight:500;
  background:rgba(11,13,17,.86);color:var(--ink);backdrop-filter:blur(8px)}
.work-ov{position:absolute;left:0;right:0;top:0;bottom:50px;z-index:1;display:flex;
  flex-direction:column;justify-content:flex-end;gap:3px;padding:16px 18px;color:#fff;
  background:linear-gradient(180deg,transparent 48%,rgba(0,0,0,.72));opacity:0;transition:opacity .3s}
.work:hover .work-ov{opacity:1}
.work-ov b{font-size:16px;font-weight:500}
.work-ov p{margin:0;font-size:13px;color:rgba(11,13,17,.8);line-height:1.45}
.work-zoom{position:absolute;top:12px;right:12px;z-index:2;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;background:rgba(11,13,17,.86);color:var(--ink);
  opacity:0;transform:scale(.9);transition:.25s var(--ease);backdrop-filter:blur(8px)}
.work:hover .work-zoom{opacity:1;transform:none}
.work-zoom svg{width:14px;height:14px}
.work-id{display:flex;align-items:center;gap:10px;padding:13px 16px;font-size:13px;color:var(--ink-3)}
.work-id b{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:13px;
  font-weight:500;color:var(--ink-2)}
.wid-copy{margin-left:auto;padding:4px 12px;border-radius:980px;font-size:12px;
  color:var(--fire-600);background:var(--fire-tint);transition:.2s}
.wid-copy:hover{background:var(--fire);color:#0E0F12}
.works-empty{text-align:center;color:var(--ink-3);padding:48px 0;font-size:16px}
.more-wrap{display:flex;justify-content:center;margin-top:clamp(30px,4vw,48px)}

/* ---------- 服务能力 / 流程 ---------- */
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat{padding:30px 26px;border-radius:var(--r-lg);background:var(--bg-2)}
.fico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--panel-3);color:var(--fire-2,#FF7A3D);margin-bottom:18px}
.fico svg{width:23px;height:23px}
.feat h4{font-size:18px;font-weight:600;margin-bottom:10px;letter-spacing:-.015em}
.feat p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.55}

.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{padding:26px 22px;border-radius:var(--r-lg);background:var(--bg-2)}
.step .dot{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--fire);color:#0E0F12;margin-bottom:16px;position:relative}
.step .dot small{font-size:14px;font-weight:600;line-height:1;letter-spacing:0}
.step h4{font-size:16px;font-weight:600;margin-bottom:9px;letter-spacing:-.015em}
.step p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.55}
/* 服务说明 / 定制须知 */
.notes{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
  max-width:800px;margin:clamp(34px,4vw,52px) auto 0}
.note{padding:26px 28px;border-radius:var(--r-lg);background:var(--bg-2);text-align:left}
.note h3{margin:0 0 14px;font-size:16px;font-weight:600;letter-spacing:-.015em}
.note ul{margin:0;padding:0;list-style:none}
.note li{position:relative;padding-left:14px;font-size:13.5px;line-height:1.7;
  color:var(--ink-2);letter-spacing:-.005em}
.note li+li{margin-top:10px}
.note li::before{content:"";position:absolute;left:0;top:.62em;width:4px;height:4px;
  border-radius:50%;background:var(--line)}
.note li b{color:var(--ink);font-weight:600}

/* ---------- 常见问题 ---------- */
.faq{max-width:800px;margin-inline:auto;border-top:1px solid var(--line-soft)}
.qa{border-bottom:1px solid var(--line-soft)}
.qa button{width:100%;display:flex;align-items:center;gap:16px;padding:22px 4px;text-align:left}
.qa .q{flex:1;font-size:18px;font-weight:500;letter-spacing:-.015em}
.qa .pm{width:22px;height:22px;flex-shrink:0;display:grid;place-items:center;
  font-size:19px;color:var(--fire-600);transition:transform .3s var(--ease)}
.qa.open .pm{transform:rotate(45deg)}
.qa .a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.qa .a p{margin:0;padding:0 4px 24px;font-size:16px;color:var(--ink-2);line-height:1.6}

/* ---------- 联系 ---------- */
.cta{max-width:860px;margin-inline:auto;padding:clamp(34px,4.4vw,60px);
  border-radius:var(--r-lg);text-align:center;background:var(--bg-2)}
.cta h2{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.025em}
.cta > p{margin:16px auto 0;max-width:560px;color:var(--ink-2);font-size:17px;line-height:1.5}
.cta-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:30px auto 0;
  max-width:620px;text-align:left}
.cta-pt{display:flex;align-items:flex-start;gap:13px;padding:16px 18px;border-radius:var(--r);
  background:var(--bg-2)}
.cp-ico{width:34px;height:34px;border-radius:10px;flex-shrink:0;display:grid;place-items:center;
  background:var(--panel-3);color:var(--ink)}
.cp-ico svg{width:18px;height:18px}
.cta-pt > div > b{display:block;font-size:15px;font-weight:500;margin-bottom:5px;letter-spacing:-.015em}
.cta-pt p{margin:0;font-size:13.5px;line-height:1.65;color:var(--ink-2)}
.cta-pt p b.hl{display:inline;font-weight:600;color:var(--ink)}
.cta-pt > div{min-width:0}
.contact-box{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:30px}
.cbox{display:flex;align-items:center;gap:13px;padding:14px 20px;border-radius:var(--r);
  background:var(--bg-2);transition:.2s}
.cbox:hover{background:var(--bg-3)}
.ci{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--panel-3)}
.cbox small{display:block;font-size:11px;letter-spacing:.06em;color:var(--ink-3)}
.cbox b{font-size:17px;font-weight:500}
.copy{margin-left:6px;padding:5px 13px;border-radius:980px;font-size:12.5px;
  color:var(--fire-600);background:var(--fire-tint)}
.copy:hover{background:var(--fire);color:#0E0F12}
.qr-wrap{margin-top:30px}
.qr-row{display:flex;flex-wrap:wrap;justify-content:center;gap:18px}
.qr-card{margin:0;padding:14px;border-radius:var(--r);background:var(--bg-2)}
.qr-card img{width:152px;height:152px;border-radius:10px}
.qr-card figcaption{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:11px;
  font-size:13px;color:var(--ink-2)}
.qr-card figcaption svg{width:14px;height:14px}
.qr-tip{margin:20px 0 0;font-size:14px;color:var(--ink-3)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:980px;
  font-size:14px;color:var(--ink-2);background:var(--bg-2)}

/* ---------- 页脚 ---------- */
footer{background:var(--bg-2);font-size:12px;color:var(--ink-3)}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding:44px 0 28px;
  border-bottom:1px solid var(--line-soft)}
.foot p{margin:12px 0 0;font-size:12px;line-height:1.6;max-width:380px}
.foot h5{margin:0 0 12px;font-size:12px;font-weight:600;color:var(--ink)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot ul a{font-size:12px;color:var(--ink-3);transition:color .2s}
.foot ul a:hover{color:var(--ink);text-decoration:underline}
.foot-tel{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px}
.foot-tel a{font-size:15px;font-weight:500;color:var(--ink)}
.foot-tel span{font-size:12px}
.foot-b{padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.foot-b .icp{color:var(--ink-3);transition:color .2s}
.foot-b .icp:hover{color:var(--ink);text-decoration:underline}
.st-entry{color:var(--ink-3)}
.st-entry:hover{color:var(--ink);text-decoration:underline}

/* ---------- 回到顶部 ---------- */
#top{position:fixed;right:22px;bottom:22px;z-index:180;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;font-size:17px;color:var(--ink);
  background:rgba(11,13,17,.8);backdrop-filter:blur(16px);
  box-shadow:0 2px 12px rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.28s var(--ease)}
#top.on{opacity:1;visibility:visible;transform:none}

/* ---------- 出现动画 ---------- */
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rvshow .rv,.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .rv{opacity:1;transform:none;transition:none}
  *{animation-duration:.001s!important}
  html{scroll-behavior:auto}
  /* 轮播例外：用户明确要求在该设置下仍要看到切换效果 */
  .shot-s{transition:opacity .7s var(--ease),visibility 0s .7s!important}
  .shot-s.on{transition:opacity .7s var(--ease)!important}
  .bizc-p.on{animation-duration:.5s!important}
  .shot-dots button{transition:width .3s var(--ease),background .3s var(--ease)!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .feats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .notes{grid-template-columns:1fr}
  .works{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .burger{display:grid}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;inset:48px 0 auto;flex-direction:column;align-items:stretch;gap:0;
    padding:10px 6vw 22px;background:rgba(11,13,17,.95);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line-soft);
    transform:translateY(-130%);transition:transform .4s var(--ease);
    max-height:calc(100vh - 48px);overflow-y:auto
  }
  .nav-links.open{transform:none}
  .nav-links > a,.nav-dt{line-height:1.4;padding:14px 4px;font-size:17px}
  .nav-drop{width:100%}
  .nav-dt{width:100%;justify-content:space-between}
  .nav-menu{position:static;transform:none;width:100%;box-shadow:none;border:0;background:none;
    backdrop-filter:none;padding:0 0 6px;opacity:1;visibility:visible;
    max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
  .nav-drop.open .nav-menu{max-height:420px}
  .bizs{grid-template-columns:1fr}
}
@media (max-width:620px){
  .feats,.steps,.works,.cta-points{grid-template-columns:1fr}
  .wsearch{width:100%}
  .foot{grid-template-columns:1fr;gap:28px}
}

/* ---------- 页脚 · 关联站点 ---------- */
.site-link{display:flex;align-items:center;gap:12px;margin-top:12px;padding:12px 14px;
  border-radius:14px;background:var(--bg-2);transition:background .22s var(--ease)}
.site-link:hover{background:var(--bg-3)}
.sl-ico{flex:0 0 34px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--panel-3);color:var(--ink)}
.sl-ico svg{width:18px;height:18px}
.sl-t{display:flex;flex-direction:column;gap:3px;min-width:0}
.sl-t b{display:flex;align-items:center;gap:5px;font-size:13.5px;font-weight:600;
  letter-spacing:-.015em;color:var(--ink)}
.sl-t b svg{width:11px;height:11px;flex-shrink:0;opacity:.55}
.sl-t i{font-style:normal;font-size:12px;line-height:1.45;color:var(--ink-2)}


/* =========================================================
   以下三块在改版时未从 style.css 移植，导致灯箱/侧边面板/
   统计弹窗在首页无样式而裸露在页面底部。按浅色重写。
   ========================================================= */

/* ---------- 灯箱 ---------- */
#lb{position:fixed;inset:0;z-index:9990;display:none;place-items:center;padding:20px;
  background:rgba(11,13,17,0);backdrop-filter:blur(0);-webkit-backdrop-filter:blur(0);
  transition:background .34s var(--ease),backdrop-filter .34s var(--ease),
             -webkit-backdrop-filter .34s var(--ease)}
#lb.on{display:grid}
#lb.in{background:rgba(11,13,17,.92);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px)}
#lb figure{margin:0}
#lb [hidden]{display:none!important}
#lb img,#lb video{width:100%;height:100%;object-fit:contain;display:block;background:var(--bg-2)}
.lb-stage{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--bg-2);
  width:max(280px,min(1400px,94vw,calc(80vh * 16 / 9)));aspect-ratio:16/9;margin-inline:auto;
  box-shadow:0 2px 8px rgba(0,0,0,.5),0 30px 70px -18px rgba(0,0,0,.85)}
.lb-sweep,.lb-frame{display:none}
#lb figcaption{margin-top:18px;text-align:center;font-size:14px;color:var(--ink-2);
  opacity:0;transform:translateY(10px);
  transition:opacity .4s .16s var(--ease),transform .4s .16s var(--ease)}
#lb.in figcaption{opacity:1;transform:none}
#lb figcaption b{color:var(--ink);font-weight:600;margin-right:10px}
#lb figcaption .lb-code{display:inline-block;margin-right:10px;padding:3px 10px;border-radius:980px;
  font-style:normal;font-size:11.5px;font-weight:600;letter-spacing:.06em;
  font-family:ui-monospace,"Cascadia Mono",Consolas,monospace;
  color:var(--ink-2);background:var(--bg-2)}
.lb-x,.lb-p,.lb-n{position:absolute;width:44px;height:44px;border-radius:50%;display:grid;
  place-items:center;font-size:20px;color:var(--ink);background:rgba(11,13,17,.86);
  border:1px solid var(--line);box-shadow:0 2px 12px rgba(0,0,0,.6);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:.22s var(--ease)}
.lb-x:hover,.lb-p:hover,.lb-n:hover{background:var(--fire);color:#0E0F12;border-color:transparent}
.lb-x{top:22px;right:22px}
.lb-p{left:2vw;top:50%;transform:translateY(-50%)}
.lb-n{right:2vw;top:50%;transform:translateY(-50%)}
#lb .lb-x,#lb .lb-p,#lb .lb-n{opacity:0;transition:opacity .28s .22s ease,background .22s,color .22s}
#lb.in .lb-x,#lb.in .lb-p,#lb.in .lb-n{opacity:1}

/* ---------- 侧边联系面板 ---------- */
.sidebar{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:300;width:192px}
.sb-card{position:relative;margin:0;padding:10px;border-radius:var(--r-lg);background:var(--bg-2);
  border:1px solid var(--line-soft);
  box-shadow:0 2px 8px rgba(0,0,0,.5),0 24px 56px -18px rgba(0,0,0,.8);
  transition:opacity .32s var(--ease),transform .32s var(--ease)}
.sb-head{position:relative;display:grid;place-items:center;height:34px;
  margin:-10px -10px 10px;padding:0 30px;border-radius:19px 19px 0 0;
  background:var(--bg-2);border-bottom:1px solid var(--line-soft)}
.sb-title{font-size:12px;font-weight:600;letter-spacing:.14em;white-space:nowrap;color:var(--ink)}
.sb-x{position:absolute;top:50%;right:8px;transform:translateY(-50%);width:19px;height:19px;
  border-radius:50%;display:grid;place-items:center;font-size:9px;line-height:1;
  color:var(--ink-3);background:var(--panel-3);transition:.2s}
.sb-x:hover{background:var(--line-soft);color:var(--ink)}
.sb-qr{border-radius:12px;background:#fff;line-height:0;overflow:hidden;border:1px solid var(--line-soft)}
.sb-qr img{width:100%;height:auto;display:block;padding:6px;background:#fff}
.sb-qr-cap{margin:8px 0 2px;text-align:center;font-size:10.5px;font-weight:500;
  letter-spacing:.02em;color:var(--ink-3)}
.sb-row{width:100%;display:flex;align-items:center;gap:8px;margin-top:6px;padding:9px 10px;
  border-radius:11px;background:var(--bg-2);color:var(--ink);text-align:left;transition:.2s}
.sb-row:hover{background:var(--panel-3)}
.sb-row svg{width:15px;height:15px;flex-shrink:0;color:var(--ink-2)}
.sb-wx svg{width:17px;height:17px;color:#07c160}
.sb-row b{font-size:12.5px;font-weight:600;white-space:nowrap}
.sb-row em{margin-left:auto;font-style:normal;font-size:10.5px;color:var(--ink-3)}
.sb-tab{position:absolute;right:0;top:50%;transform:translateY(-50%) translateX(20px);
  display:none;flex-direction:column;align-items:center;gap:6px;padding:13px 8px;
  border-radius:12px 0 0 12px;color:var(--ink);font-size:11px;font-weight:600;letter-spacing:.1em;
  background:var(--bg-2);border:0;
  box-shadow:0 2px 12px rgba(0,0,0,.6)}
.sb-tab:hover{background:var(--bg-2)}
.sb-tab svg{width:17px;height:17px;color:var(--ink-2)}
.sb-tab span{writing-mode:vertical-rl}
/* 收起态：宽屏用 .min，窄屏靠 .open 反向控制 */
.sidebar.min{width:auto}
.sidebar.min .sb-card{opacity:0;transform:translateX(24px) scale(.96);pointer-events:none}
.sidebar.min .sb-tab{display:flex;transform:translateY(-50%)}
@media (max-width:1180px),(max-height:660px){
  .sidebar{right:0;width:auto}
  .sidebar .sb-card{opacity:0;transform:translateX(24px) scale(.96);pointer-events:none}
  .sidebar .sb-tab{display:flex;transform:translateY(-50%)}
  .sidebar.open{right:14px;width:192px}
  .sidebar.open .sb-card{opacity:1;transform:none;pointer-events:auto}
  .sidebar.open .sb-tab{display:none}
}

/* ---------- 访问统计弹窗 ---------- */
.st-mask{position:fixed;inset:0;z-index:9995;display:none;place-items:center;padding:20px;
  background:rgba(11,13,17,.9);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px)}
.st-mask.on{display:grid}
.st-panel{width:min(760px,100%);max-height:86vh;overflow:auto;padding:24px 26px 26px;
  border-radius:var(--r-lg);background:var(--bg-2);border:0;
  box-shadow:0 30px 70px -18px rgba(0,0,0,.8)}
.st-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.st-head b{font-size:19px;font-weight:600;letter-spacing:-.02em}
.st-x{margin-left:auto;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;color:var(--ink-2);background:var(--bg-2);transition:.2s}
.st-x:hover{background:#e4e4ea;color:var(--ink)}
.st-login{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.st-tip{width:100%;margin:0 0 2px;font-size:13.5px;color:var(--ink-2)}
.st-login input{flex:1;min-width:180px;padding:11px 15px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);font:inherit;font-size:14px;color:var(--ink);
  outline:none;transition:border-color .2s,box-shadow .2s}
.st-login input:focus{border-color:var(--fire-600);box-shadow:0 0 0 3px var(--fire-tint-2)}
.st-err{width:100%;margin:2px 0 0;font-size:12.5px;color:#d70015}
.st-body{font-size:14px;color:var(--ink-2)}

/* ---------- 业务分页轮播 ---------- */
.bizc-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;
  margin-bottom:clamp(26px,3.2vw,40px)}
.bizc-t{padding:10px 20px;border:0;border-radius:980px;background:transparent;
  font:inherit;font-size:14.5px;font-weight:500;letter-spacing:-.015em;color:var(--ink-2);
  cursor:pointer;transition:background .22s var(--ease),color .22s var(--ease)}
.bizc-t:hover{background:var(--bg-3);color:var(--ink)}
.bizc-t.on{background:var(--panel-3);color:var(--ink)}
.bizc-stage{position:relative}
.bizc-p{display:none;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  align-items:center;gap:clamp(28px,4vw,56px)}
.bizc-p.on{display:grid;animation:bizcIn .5s var(--ease)}
@keyframes bizcIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.bizc-f{margin:0;border-radius:var(--r-lg);overflow:hidden;background:#fff}
.bizc-f img{width:100%;height:auto;display:block}
.bizc-c h3{margin:0 0 14px;font-size:clamp(22px,2.4vw,30px);font-weight:600;letter-spacing:-.025em}
.bizc-c p{margin:0 0 20px;font-size:15.5px;line-height:1.7;color:var(--ink-2)}
.bizc-c .biz-pts{margin:0 0 24px}
@media (max-width:900px){
  .bizc-p.on{grid-template-columns:1fr;gap:26px}
  .bizc-tabs{gap:4px}
  .bizc-t{padding:9px 15px;font-size:13.5px}
}


/* ---------- 访问统计面板内容 ----------
   main.js 注入的 13 个类在这两张表里都没定义过，
   导致数字与标签黏在一起、走势图只剩两个日期 */
.st-body{display:grid;gap:18px}
/* 四张数字卡 */
.st-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-2);border-radius:10px;overflow:hidden}
.st-card{padding:13px 14px;background:var(--panel-3, #1D222B)}
.st-card i{display:block;font-style:normal;font-size:11.5px;
  color:var(--ink-3);margin-bottom:6px}
.st-card b{font-family:var(--num);font-size:22px;font-weight:600;letter-spacing:-.02em}
.st-card span{margin-left:5px;font-size:11px;color:var(--ink-3)}
/* 分节 */
.st-sec h4{margin:0 0 10px;font-size:12.5px;font-weight:600;color:var(--ink-2);
  letter-spacing:.02em}
/* 每日 PV 柱状图 */
.st-bars{display:flex;align-items:flex-end;gap:3px;height:76px;
  padding:8px 10px;border-radius:10px;background:var(--panel-3, #1D222B)}
/* main.js 生成的是 <span> 并内联 height，不要写成 i / --h */
.st-bars span{flex:1;min-width:0;border-radius:3px 3px 0 0;background:var(--fire);
  opacity:.8;transition:opacity .2s}
.st-bars span:hover{opacity:1}
.st-axis{display:flex;justify-content:space-between;margin:7px 0 0;
  font-size:10.5px;color:var(--ink-3)}
/* 国内 / 海外 */
.st-split{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-bottom:12px;
  background:var(--line-2);border-radius:10px;overflow:hidden}
.st-split > div{padding:11px 13px;background:var(--panel-3, #1D222B)}
.st-split i{font-style:normal;font-size:11.5px;color:var(--ink-3);margin-right:7px}
.st-split b{font-family:var(--num);font-size:18px;font-weight:600}
.st-split span{margin-left:4px;font-size:11px;color:var(--ink-3)}
.st-split .o b{color:var(--fire-2)}
/* 地区条形 */
.st-geo{display:grid;gap:5px}
.st-g{position:relative;display:flex;align-items:center;gap:8px;
  padding:6px 10px;border-radius:7px;background:var(--panel-3, #1D222B);
  overflow:hidden;font-size:12px}
.st-g::before{content:"";position:absolute;left:0;top:0;bottom:0;width:var(--w,0%);
  background:rgba(255,255,255,.07)}
.st-g.o::before{background:rgba(240,64,15,.16)}
.st-g > *{position:relative;z-index:1}
.st-g em{font-style:normal;flex:1;min-width:0;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis}
.st-g u{text-decoration:none;font-family:var(--num);font-weight:600}
.st-g s{text-decoration:none;width:44px;text-align:right;
  font-size:11px;color:var(--ink-3)}
.st-g.o em{color:var(--fire-2)}
/* 城市标签 */
.st-chips{display:flex;flex-wrap:wrap;gap:6px}
.st-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;
  border-radius:6px;background:var(--panel-3, #1D222B);font-size:11.5px;color:var(--ink-2)}
.st-chip b{font-family:var(--num);font-weight:600;color:var(--ink)}
/* 通用列表：设备 / 页面 / 来源 */
.st-list{display:grid;gap:1px;background:var(--line-2);border-radius:10px;overflow:hidden}
.st-row{display:flex;align-items:center;gap:10px;padding:8px 12px;
  background:var(--panel-3, #1D222B);font-size:12px}
.st-row em{font-style:normal;flex:1;min-width:0;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis}
.st-row u{text-decoration:none;font-family:var(--num);font-weight:600;flex-shrink:0}
/* 脚注 */
.st-meta{margin:0;font-size:11px;line-height:1.75;color:var(--ink-3)}

@media (max-width:560px){
  .st-grid{grid-template-columns:repeat(2,1fr)}
  .st-split{grid-template-columns:1fr}
}