/* ============================================================
   数字桥 · 物业管理数字化运营平台 — 官网样式
   蓝白色调 / 滚动动画 / 响应式
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root{
  --blue-950:#05173A;
  --blue-900:#0A2A5E;
  --blue-800:#0F3D91;
  --blue-700:#155CBE;
  --blue-600:#1B6DE0;
  --blue-500:#3D8DF3;
  --blue-200:#B9D4FA;
  --blue-100:#DEEAFD;
  --blue-50:#EFF6FF;
  --cyan-400:#28C4E8;
  --cyan-300:#6FE0F5;

  --ink:#0B1F3A;
  --muted:#5B7395;
  --muted-2:#8298B8;
  --line:#DCE7F7;
  --white:#FFFFFF;

  --shadow-sm:0 2px 8px rgba(11,31,58,.06);
  --shadow-md:0 12px 30px rgba(15,61,145,.10);
  --shadow-lg:0 26px 60px rgba(10,42,94,.16);
  --radius:18px;
  --radius-lg:26px;

  --font:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Helvetica Neue",var(--font);

  --ease:cubic-bezier(.22,.75,.2,1);
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
/* 手机上避免 iOS/Android 浏览器把正文自动放大（font boosting）导致排版错位 */
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
::selection{background:var(--blue-600);color:#fff}

.container{width:min(1200px,92vw);margin:0 auto;position:relative}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:14px 30px;border-radius:999px;font-size:16px;font-weight:600;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s ease,color .3s ease;
  position:relative;overflow:hidden;white-space:nowrap;
}
.btn::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,transparent 25%,rgba(255,255,255,.45) 45%,transparent 65%);
  transform:translateX(-130%);transition:transform .8s var(--ease);
}
.btn:hover::after{transform:translateX(130%)}
.btn-primary{background:linear-gradient(120deg,var(--blue-600),var(--blue-500));color:#fff;box-shadow:0 10px 26px rgba(27,109,224,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(27,109,224,.42)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.55);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn-light{background:#fff;color:var(--blue-700);box-shadow:0 10px 26px rgba(0,0,0,.18)}
.btn-light:hover{transform:translateY(-3px)}
.btn-sm{padding:10px 22px;font-size:14px}

/* ---------- 滚动进度条 ---------- */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:120;background:transparent}
.scroll-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan-400),var(--blue-600));transition:width .1s linear}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:3px;left:0;right:0;z-index:100;
  transition:background .4s ease,box-shadow .4s ease,padding .4s ease,backdrop-filter .4s ease;
  padding:16px 0;
}
.site-header.scrolled{
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 6px 26px rgba(10,42,94,.09);
  padding:9px 0;
}
.header-inner{display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{width:46px;height:46px;object-fit:contain;transition:width .4s ease,height .4s ease}
.site-header.scrolled .brand img{width:38px;height:38px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:19px;color:var(--blue-900);letter-spacing:.06em}
.brand-text i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.06em}
.site-header:not(.scrolled) .brand-text b{color:#fff}
.site-header:not(.scrolled) .brand-text i{color:rgba(255,255,255,.75)}

.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{
  padding:9px 14px;border-radius:999px;font-size:15px;color:rgba(255,255,255,.86);
  transition:color .25s,background .25s;position:relative
}
.site-header.scrolled .nav a{color:var(--ink)}
.nav a::after{
  content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan-400),var(--blue-600));transform:translateX(-50%);
  transition:width .35s var(--ease)
}
.nav a:hover{color:#fff}
.site-header.scrolled .nav a:hover{color:var(--blue-600)}
.nav a:hover::after,.nav a.active::after{width:22px}
.nav a.active{font-weight:600}
.site-header.scrolled .nav a.active{color:var(--blue-700)}
.nav a.active{color:#fff}
.nav-cta{flex-shrink:0}
.site-header:not(.scrolled) .nav-cta{background:rgba(255,255,255,.9);color:var(--blue-700)}
.nav-toggle{display:none;flex-direction:column;gap:5px;margin-left:auto;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.site-header.scrolled .nav-toggle span,.nav-open .nav-toggle span{background:var(--ink)}

/* ---------- 首页轮播 ---------- */
.hero{position:relative;min-height:min(88vh,760px);display:flex;align-items:center;overflow:hidden;background:var(--blue-950)}
.hero-canvas-wrap{position:absolute;inset:0;z-index:3;pointer-events:none}
.hero-canvas-wrap canvas{width:100%;height:100%;opacity:.55}
.slider{position:absolute;inset:0;z-index:1}
.slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity 1.1s var(--ease),visibility 1.1s;
  display:flex;align-items:center;
}
.slide.is-active{opacity:1;visibility:visible}
.slide-media{position:absolute;inset:0;background:linear-gradient(135deg,#0A2A5E,#155CBE 55%,#28C4E8)}
.slide-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);transition:transform 7s linear}
.slide.is-active .slide-media img{transform:scale(1.0)}
.slide.no-media .slide-media{
  background:
    radial-gradient(700px 340px at 78% 28%,rgba(40,196,232,.42),transparent 65%),
    radial-gradient(620px 320px at 12% 78%,rgba(61,141,243,.5),transparent 60%),
    linear-gradient(135deg,#071E45,#0F3D91 60%,#155CBE)
}
.media-hint{
  display:none;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  text-align:center;font-size:15px;color:rgba(255,255,255,.72);line-height:2;
  border:1px dashed rgba(255,255,255,.5);border-radius:14px;padding:20px 34px;background:rgba(6,20,44,.28)
}
.media-hint b{color:#fff;font-weight:600;letter-spacing:.04em}
.no-media .media-hint{display:block}
.slide-shade{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(3,12,32,.97) 0%,rgba(5,20,48,.93) 22%,rgba(6,24,56,.82) 40%,rgba(7,28,64,.52) 56%,rgba(9,36,84,.16) 74%,rgba(10,42,94,0) 90%)
}
.slide-inner{position:relative;z-index:4;padding:120px 0 150px;max-width:760px}
/* 首屏轮播文字整体左移，但左边界与页头 logo 对齐（不是贴到窗口边）：用与 .container
   同一个算式算出容器左边距，所以文字和 logo 永远在同一条竖线上。右侧让给轮播图。 */
.hero .slide-inner{margin-left:max(24px,calc((100vw - min(1200px, 92vw)) / 2));margin-right:auto}
.slide-tag{
  display:inline-block;padding:7px 18px;border-radius:999px;font-size:14px;letter-spacing:.1em;
  color:#fff;background:rgba(40,196,232,.2);border:1px solid rgba(111,224,245,.55);margin-bottom:22px
}
.slide h1,.slide h2{
  color:#fff;font-size:clamp(30px,4.4vw,58px);letter-spacing:.02em;
  text-shadow:0 8px 30px rgba(3,14,34,.4)
}
.slide h1 .dot{color:var(--cyan-300);margin:0 .2em}
.slide-sub{color:rgba(232,242,255,.9);font-size:clamp(15px,1.35vw,19px);margin:22px 0 34px;max-width:640px}
.slide-actions{display:flex;gap:16px;flex-wrap:wrap}

/* 轮播文字：每次切换自动重播的进场动画（纯 CSS，切换即重放） */
.slide .slide-anim{opacity:0;transform:translateY(30px)}
.slide.is-active .slide-anim{
  animation:slideUp .95s var(--ease) forwards;
  animation-delay:calc(var(--d, 0s) + .2s)
}
@keyframes slideUp{to{opacity:1;transform:translateY(0)}}

.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:6;
  width:52px;height:52px;border-radius:50%;font-size:26px;line-height:1;color:#fff;
  /* 背景透明：只留细白圈 + 白色箭头（原来是深蓝半透明底 + 投影 + 毛玻璃） */
  background:transparent;border:1px solid rgba(255,255,255,.55);
  box-shadow:none;
  transition:.3s var(--ease)
}
.slider-arrow:hover{background:rgba(255,255,255,.16);transform:translateY(-50%) scale(1.08)}
.slider-arrow.prev{left:max(16px,calc((100vw - 1200px)/2 - 78px))}
.slider-arrow.next{right:max(16px,calc((100vw - 1200px)/2 - 78px))}

.slider-bar{position:absolute;left:50%;bottom:44px;transform:translateX(-50%);z-index:6;display:flex;align-items:center;gap:22px;width:min(1200px,92vw)}
.dots{display:flex;gap:12px;align-items:center}
.dot{width:34px;height:24px;padding:10px 0;border-radius:4px;background:rgba(255,255,255,.35);
  background-clip:content-box;overflow:hidden;transition:.35s}   /* 24px 高铁的整块都是点按区域，视觉上还是 4px 细条 */
.dot span{display:block;height:100%;width:0;background:#fff;border-radius:4px}
.dot.is-active{width:64px;background:rgba(255,255,255,.4)}
.dot.is-active span{width:100%;transition:width 6s linear}
.slider-timer{flex:1;height:2px;background:rgba(255,255,255,.18);border-radius:2px;overflow:hidden;max-width:280px}
.slider-timer i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan-300),#fff)}
.slider-count{font-family:var(--font-num);font-size:14px;letter-spacing:.14em;color:rgba(255,255,255,.7)}
.slider-count b{color:#fff;font-size:19px}
.hero-paused .dot.is-active span,.hero-paused .slider-timer i{transition:none}

/* ---------- 区块通用 ---------- */
.section{padding:110px 0;position:relative}
.section-head{max-width:800px;margin:0 auto 58px;text-align:center}
.section-head.left{margin:0 0 40px;text-align:left}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.22em;font-weight:600;color:var(--blue-600);
  padding:6px 16px;border-radius:999px;background:var(--blue-50);border:1px solid var(--blue-100);margin-bottom:18px
}
/* 区块小标签固定独占一行、居中排在标题上方。
   原来是 inline-block，标题短的时候会和标签挤在同一行（政策趋势/数据看板等），
   这里用 display:table 让它收缩成一行块级盒子，再靠 auto 外边距居中。 */
.section-head .eyebrow{display:table;margin:0 auto 18px}
.section-head.left .eyebrow{margin-left:0}
.eyebrow.light{color:#BFE2FF;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28)}
.section-title{font-size:clamp(24px,2.9vw,40px);color:var(--blue-900);position:relative;display:inline-block}
.section-title::after{
  content:"";display:block;height:4px;width:0;margin-top:16px;border-radius:4px;
  background:linear-gradient(90deg,var(--cyan-400),var(--blue-600));transition:width 1s var(--ease) .15s
}
.reveal.in .section-title::after,.section-head.in .section-title::after{width:76px}
.section-head:not(.left) .section-title::after{margin-left:auto;margin-right:auto}
.section-desc{color:var(--muted);font-size:17px;margin-top:18px}
.section-title.light{color:#fff}

/* ---------- 滚动动画 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* ---------- 痛点 ---------- */
.pain{background:linear-gradient(180deg,#fff,var(--blue-50))}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pain-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 30px;
  box-shadow:var(--shadow-sm);transition:transform .45s var(--ease),box-shadow .45s var(--ease)
}
.pain-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.pain-q{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:600;color:var(--blue-900)}
.q-mark{
  width:30px;height:30px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;
  background:var(--blue-50);color:var(--blue-600);font-size:14px;font-weight:700
}
/* 箭头已在 HTML 里注释掉（CSS 保留，想还原就把那三行取消注释）：
   问答之间不用箭头、也不给答案加背景框 —— 答案就是普通文字，
   只在左侧配一个和「问」同款的「答」字标，问答成对 */
.pain-a{
  display:flex;align-items:flex-start;gap:12px;margin-top:26px;
  font-size:17px;font-weight:600;color:var(--blue-700);line-height:1.6
}
.pain-a::before{
  content:"答";width:30px;height:30px;flex-shrink:0;border-radius:9px;display:grid;
  place-items:center;background:var(--blue-50);color:var(--blue-600);font-size:14px;font-weight:700
}
/* 箭头那套样式留着没删：想还原成箭头，把 HTML 里那三行注释去掉即可 */
.pain-arrow{margin:20px 0;color:var(--blue-200)}
.pain-arrow svg{width:60px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:.45s var(--ease)}
.pain-card:hover .pain-arrow svg{stroke:var(--blue-600);transform:translateX(8px)}
.pain-foot{text-align:center;margin-top:52px;font-size:20px;color:var(--blue-900)}
.pain-foot strong{color:var(--blue-600)}

/* ---------- 政策窗口期 ---------- */
.policy{background:linear-gradient(180deg,var(--blue-50),#fff)}
.policy-statement{
  max-width:840px;margin:0 auto 54px;padding:46px 44px;text-align:center;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#E9F3FF,#DCEAFF 55%,#F5FAFF);
  border:1px solid var(--blue-100);box-shadow:var(--shadow-sm)
}
.policy-statement p{
  font-size:clamp(22px,2.7vw,36px);line-height:1.65;font-weight:700;color:var(--blue-900);letter-spacing:.02em
}
.policy-statement mark{
  color:var(--blue-600);font-weight:800;padding:0 .04em;
  background:linear-gradient(180deg,transparent 60%,rgba(40,196,232,.45) 60%,rgba(27,109,224,.30) 94%,transparent 94%)
}
.policy-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.policy-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 26px;
  box-shadow:var(--shadow-sm);transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s
}
.policy-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:var(--blue-200)}
.policy-num{
  display:block;font-family:var(--font-num);font-size:26px;font-weight:700;letter-spacing:.06em;
  color:var(--blue-200);margin-bottom:14px
}
.policy-card:hover .policy-num{color:var(--blue-500)}
.policy-card h3{font-size:17px;color:var(--blue-900);margin-bottom:10px;line-height:1.5}
.policy-card p{font-size:14.5px;color:var(--muted)}
.policy-local{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:22px}
.policy-local-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s
}
.policy-local-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--blue-200)}
.policy-local-card h4{font-size:14px;color:var(--blue-600);letter-spacing:.1em;margin-bottom:12px}
.policy-local-card p{font-size:14.5px;color:#3E5C82}

.policy-platform{
  margin-top:56px;padding:54px 46px;text-align:center;border-radius:20px;color:#fff;overflow:hidden;position:relative;
  background:linear-gradient(150deg,var(--blue-900),var(--blue-700))
}
.policy-platform::after{
  content:"";position:absolute;right:-110px;bottom:-150px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(40,196,232,.30),transparent 68%)
}
.pp-tag{
  position:relative;z-index:1;display:inline-block;margin-bottom:20px;padding:6px 20px;border-radius:999px;
  font-size:13px;letter-spacing:.2em;color:#DCEAFF;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28)
}
.policy-platform h3{font-size:clamp(22px,2.5vw,32px);color:#fff;position:relative;z-index:1}
.policy-platform p{
  position:relative;z-index:1;max-width:780px;margin:18px auto 0;font-size:16px;line-height:1.9;
  color:rgba(224,236,253,.92)
}
.policy-platform strong{color:#fff;font-weight:700;border-bottom:2px solid rgba(111,224,245,.7);padding-bottom:2px}
.pp-pills{
  display:grid;grid-template-columns:repeat(3,max-content);justify-content:center;
  gap:12px;margin-top:30px;position:relative;z-index:1
}
.pp-pills span{
  font-size:13.5px;padding:8px 18px;border-radius:999px;color:#E8F1FF;text-align:center;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);transition:.35s var(--ease)
}
.pp-pills span:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

.policy-paths{margin-top:66px}
.policy-paths h3{font-size:clamp(20px,2.2vw,26px);color:var(--blue-900);text-align:center}
.paths-sub{text-align:center;color:var(--muted);font-size:16px;margin-top:14px}
.paths-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:36px}
.path-col{border-radius:var(--radius);padding:34px 32px;border:1px solid var(--line);transition:.45s var(--ease)}
.path-col h4{font-size:18px;margin-bottom:22px}
.path-col li{position:relative;padding-left:28px;font-size:15px;color:#3E5C82;margin-bottom:14px}
.path-col li:last-child{margin-bottom:0}
.path-wait{background:linear-gradient(180deg,#F5F7FA,#EDF1F6);border-color:#E2E8F0}
.path-wait h4{color:#7A8CA6}
.path-wait li::before{content:"—";position:absolute;left:0;color:#A7B6C9;font-weight:600}
.path-now{background:linear-gradient(180deg,var(--blue-50),#E4EFFF);border-color:var(--blue-100);box-shadow:var(--shadow-md)}
.path-now h4{color:var(--blue-700)}
.path-now li::before{content:"✓";position:absolute;left:0;color:var(--cyan-400);font-weight:700}
.paths-grid .path-col:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.policy-foot{
  text-align:center;margin-top:50px;font-size:clamp(18px,1.9vw,22px);font-weight:700;color:var(--blue-600);letter-spacing:.02em
}

/* ---------- 产品全景 ---------- */
.overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ov-card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  background:linear-gradient(180deg,#fff,#F7FAFF);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:36px 28px 30px;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s
}
.ov-card::before{
  content:"";position:absolute;left:0;top:0;height:100%;width:100%;
  background:radial-gradient(320px 180px at 80% 0%,rgba(27,109,224,.10),transparent 70%);
  opacity:0;transition:opacity .45s
}
.ov-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg);border-color:var(--blue-200)}
.ov-card:hover::before{opacity:1}
.ov-idx{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--blue-100);letter-spacing:.06em}
.ov-card h3{font-size:20px;color:var(--blue-900)}
.ov-card p{color:var(--muted);font-size:15px;flex:1}
.ov-more{font-size:14px;font-weight:600;color:var(--blue-600);display:flex;align-items:center;gap:6px}
.ov-more i{font-style:normal;transition:transform .35s var(--ease)}
.ov-card:hover .ov-more i{transform:translateX(6px)}

/* ---------- 后台管理（参考苹果官网：整块图片背景 + 毛玻璃胶囊标签 + 展开说明） ---------- */
.admin{background:var(--white)}
.ap-hero{
  position:relative;overflow:hidden;background:#0A2A5E;isolation:isolate;
  /* 整屏铺满：左右顶到浏览器边缘，无圆角、无阴影、无遮罩（参考3） */
  width:100%
}
/* 整块背景＝当前标签对应的后台截图（切换时交叉淡入 + 缓慢推近） */
.ap-bg{position:absolute;inset:0;z-index:0}
.ap-shot{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center center;
  opacity:0;transform:scale(1.075);transition:opacity .95s var(--ease),transform 7.5s var(--ease)
}
.ap-shot.is-active{opacity:1;transform:scale(1)}
/* 切换时扫过一道光 */
.ap-bg::after{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;
  background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.5) 50%,transparent 70%)
}
.ap-hero.is-switching .ap-bg::after{animation:apSweep 1s var(--ease)}
@keyframes apSweep{0%{transform:translateX(-130%);opacity:0}18%{opacity:1}100%{transform:translateX(130%);opacity:0}}
/* 不使用任何压暗遮罩：文字靠毛玻璃控件自身的底色与细阴影保证可读（参考3） */
.ap-inner{
  position:relative;z-index:3;display:flex;flex-direction:column;justify-content:space-between;gap:34px;
  min-height:clamp(500px,80vh,760px);
  padding:56px max(76px, (100vw - 1330px) / 2)
}
.ap-hero.is-switching .ap-inner{animation:apSettle .7s var(--ease)}
@keyframes apSettle{0%{transform:translateY(8px);opacity:.72}100%{transform:none;opacity:1}}

.ap-list{display:flex;flex-direction:column;gap:15px;max-width:420px;width:100%}
.ap-item{position:relative}

/* 毛玻璃胶囊标签：宽度只包住文字；浅底+细阴影，没有压暗遮罩也能看清 */
.ap-pill{
  position:relative;display:inline-flex;align-items:center;gap:14px;width:fit-content;max-width:100%;text-align:left;
  padding:14px 24px;border-radius:999px;overflow:hidden;
  background:rgba(246,248,251,.84);border:1px solid rgba(255,255,255,.72);
  box-shadow:0 6px 18px rgba(11,31,58,.10);
  -webkit-backdrop-filter:blur(16px) saturate(180%);backdrop-filter:blur(16px) saturate(180%);
  font-size:17px;font-weight:600;color:var(--ink);letter-spacing:.01em;
  transition:background .5s var(--ease),color .4s,border-color .5s,box-shadow .5s,transform .5s var(--ease)
}
.ap-pill:hover{background:rgba(255,255,255,.95);box-shadow:0 10px 24px rgba(11,31,58,.16);transform:translateX(5px)}
.ap-item.is-active .ap-pill{
  background:#fff;border-color:#fff;color:var(--blue-700);
  box-shadow:0 12px 30px rgba(11,31,58,.18);transform:none
}
.ap-label{flex:1}

/* 圆形图标：未选中＝加号圆环，选中＝实心圆点（形变切换动画） */
.ap-ico{
  position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1.7px solid rgba(11,31,58,.42);background:transparent;
  transition:border-color .45s,background .45s,box-shadow .5s var(--ease),transform .5s var(--ease)
}
.ap-ico::before,.ap-ico::after{
  content:"";position:absolute;left:50%;top:50%;border-radius:2px;background:rgba(11,31,58,.62);
  transition:transform .45s var(--ease),opacity .3s ease,background .45s
}
.ap-ico::before{width:11px;height:1.8px;transform:translate(-50%,-50%)}
.ap-ico::after{width:1.8px;height:11px;transform:translate(-50%,-50%)}
.ap-pill:hover .ap-ico{border-color:var(--blue-600)}
.ap-pill:hover .ap-ico::before,.ap-pill:hover .ap-ico::after{background:var(--blue-600)}
.ap-item.is-active .ap-ico{
  border-color:var(--blue-600);background:var(--blue-600);
  box-shadow:0 0 0 5px rgba(27,109,224,.16)
}
.ap-item.is-active .ap-ico::before,
.ap-item.is-active .ap-ico::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg) scale(.25)}

/* 自动切换进度条 */
.ap-bar{
  position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;opacity:0;
  background:linear-gradient(90deg,var(--cyan-400),var(--blue-600));transition:opacity .4s ease
}
.ap-item.is-active .ap-bar{opacity:.85}

/* 展开的说明面板：毛玻璃、大圆角；grid-template-rows 0fr→1fr 按真实内容高度展开 */
.ap-panel{
  display:grid;grid-template-rows:0fr;opacity:0;transform:translateY(-12px);
  transition:grid-template-rows .68s var(--ease),opacity .44s ease,transform .6s var(--ease),margin .55s var(--ease)
}
.ap-item.is-active .ap-panel{grid-template-rows:1fr;opacity:1;transform:none;margin:14px 0 4px}
.ap-clip{overflow:hidden;min-height:0}   /* 直接子项 overflow 非 visible，0fr 才能真正收成 0 高 */
.ap-clip p{
  padding:26px 32px;border-radius:26px;font-size:16px;line-height:1.95;color:#243A57;
  background:rgba(247,249,252,.9);
  -webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);
  box-shadow:0 10px 30px rgba(11,31,58,.12)
}

/* 计数条也做成同款浅色毛玻璃小胶囊（图上没有深色遮罩了，白色字会看不清） */
.ap-meta{
  align-self:flex-start;display:inline-flex;align-items:center;gap:14px;
  padding:10px 20px;border-radius:999px;
  background:rgba(246,248,251,.84);border:1px solid rgba(255,255,255,.72);
  box-shadow:0 6px 18px rgba(11,31,58,.10);
  -webkit-backdrop-filter:blur(16px) saturate(180%);backdrop-filter:blur(16px) saturate(180%)
}
.ap-count{font-family:var(--font-num);font-size:14px;letter-spacing:.12em;color:var(--muted)}
.ap-count b{font-size:18px;color:var(--blue-600)}
.ap-name{font-size:15px;font-weight:600;color:var(--blue-900);position:relative;padding-left:15px}
.ap-name::before{
  content:"";position:absolute;left:0;top:50%;margin-top:-2.5px;width:5px;height:5px;border-radius:50%;background:var(--blue-500)
}
.ap-name.anim{animation:apNameIn .6s var(--ease)}
@keyframes apNameIn{from{opacity:0;transform:translateX(-12px)}to{opacity:1;transform:none}}

.feature-list{display:flex;flex-direction:column;gap:22px;margin-top:8px}
.feature-list li{
  position:relative;padding-left:26px
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan-400),var(--blue-600));box-shadow:0 0 0 4px rgba(27,109,224,.12)
}
.feature-list b{display:block;font-size:17px;color:var(--blue-900);margin-bottom:4px}
.feature-list span{color:var(--muted);font-size:15px}
.feature-list.compact{gap:16px;margin-top:26px}


/* ---------- 数据看板 ---------- */
.dashboard{background:linear-gradient(180deg,var(--blue-50),#fff 70%);overflow:hidden}
.dashboard::before{
  content:"";position:absolute;left:-140px;top:60px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(40,196,232,.20),transparent 68%)
}
.tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.tab{
  padding:11px 24px;border-radius:999px;font-size:15px;color:var(--muted);
  background:#fff;border:1px solid var(--line);transition:.35s var(--ease)
}
.tab:hover{color:var(--blue-700);border-color:var(--blue-200);transform:translateY(-2px)}
.tab.is-active{
  color:#fff;background:linear-gradient(120deg,var(--blue-700),var(--blue-500));
  border-color:transparent;box-shadow:0 10px 24px rgba(27,109,224,.32)
}
.dash-stage{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:34px;align-items:start}
.laptop-frame{position:relative}
.laptop-screen{
  background:#0E2246;border-radius:16px 16px 4px 4px;padding:12px 12px 14px;
  box-shadow:var(--shadow-lg)
}
.panels{position:relative;aspect-ratio:16/9.6;border-radius:8px;overflow:hidden;background:#EAF3FF}
.dash-panel{position:absolute;inset:0;margin:0;opacity:0;transform:translateY(14px);transition:opacity .55s var(--ease),transform .65s var(--ease)}
.dash-panel.is-active{opacity:1;transform:none}
/* 看板图要"占满"笔记本窗口：按宽度铺满，高度不够就用 min-height 撑到窗口高；
   比窗口高的长看板由 main.js 第 6 段驱动上下循环滚动（.is-pan），
   比窗口宽的窄图整块拉伸填满（.is-fill —— 宁可口一点点，也不把两侧内容裁掉） */
.dash-panel img{width:100%;height:auto;min-height:100%;object-fit:cover;object-position:top center;background:#fff}
.dash-panel img.is-fill{object-fit:fill}
.dash-panel img.is-pan{will-change:transform}
.dash-panel figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:10px 16px;font-size:13px;color:#fff;
  background:linear-gradient(0deg,rgba(5,23,58,.9),rgba(5,23,58,0));letter-spacing:.04em
}
.laptop-base{height:14px;border-radius:0 0 14px 14px;background:linear-gradient(180deg,#12305F,#0A2A5E);width:112%;margin-left:-6%;box-shadow:0 20px 30px rgba(10,42,94,.22)}
.dash-side{display:flex;flex-direction:column;gap:16px}
.dash-side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow-sm);transition:.4s var(--ease)
}
.dash-side-card:hover{transform:translateX(-6px);border-color:var(--blue-200);box-shadow:var(--shadow-md)}
.dash-side-card h4{font-size:15px;color:var(--blue-600);letter-spacing:.08em;margin-bottom:8px}
.dash-side-card p{color:var(--muted);font-size:14.5px}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:66px}
.stat{text-align:center;padding:26px 16px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.stat b{display:block;font-family:var(--font-num);font-size:clamp(30px,3.4vw,44px);color:var(--blue-600);letter-spacing:.02em;line-height:1.2}
.stat span{font-size:14px;color:var(--muted)}

/* ---------- 展示大屏 ---------- */
.screen{background:var(--blue-950);overflow:hidden;position:relative}
.screen .section-title{color:#fff}
.screen .section-desc{color:rgba(198,220,246,.8)}
.screen .eyebrow{color:#BFE2FF;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
.screen::before,.screen::after{
  content:"";position:absolute;width:620px;height:620px;border-radius:50%;pointer-events:none;
}
.screen::before{left:-220px;top:-180px;background:radial-gradient(circle,rgba(27,109,224,.34),transparent 66%)}
.screen::after{right:-240px;bottom:-220px;background:radial-gradient(circle,rgba(40,196,232,.26),transparent 66%)}
.led-stage{position:relative;z-index:1;perspective:1400px}
.led-frame{
  position:relative;border-radius:14px;background:#050D1D;padding:14px;
  border:1px solid rgba(120,170,255,.28);
  box-shadow:0 0 0 8px rgba(9,22,46,.9),0 30px 80px rgba(0,0,0,.55),0 0 90px rgba(27,109,224,.28);
  transform:rotateX(4deg);transition:transform .8s var(--ease)
}
.led-frame:hover{transform:rotateX(0deg) translateY(-6px)}
.led-frame::after{
  content:"";position:absolute;inset:14px;border-radius:6px;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.10),transparent 40%)
}
.led-grid{
  position:absolute;inset:14px;border-radius:6px;z-index:2;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.055) 0 1px,transparent 1px 3px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 3px)
}
.led-main{position:relative;z-index:1;width:100%;border-radius:6px;opacity:0;position:absolute;inset:14px;height:calc(100% - 28px);object-fit:cover;transition:opacity .7s var(--ease)}
.led-main.is-active{opacity:1;position:relative;inset:auto;height:auto}
.led-stand{height:26px;width:180px;margin:18px auto 0;border-radius:0 0 10px 10px;background:linear-gradient(180deg,#12305F,#0A2A5E)}
.led-thumbs{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:46px;position:relative;z-index:1}
.led-thumbs button{
  width:172px;border-radius:12px;padding:8px;border:1px solid rgba(140,180,245,.25);
  background:rgba(255,255,255,.05);transition:.4s var(--ease);text-align:left
}
.led-thumbs button img{border-radius:8px;height:66px;object-fit:cover;opacity:.72;transition:.4s}
.led-thumbs button span{display:block;font-size:12.5px;color:rgba(198,220,246,.8);margin-top:8px}
.led-thumbs button:hover{transform:translateY(-5px);border-color:rgba(160,205,255,.6)}
.led-thumbs button:hover img{opacity:1}
.led-thumbs button.is-active{border-color:var(--cyan-400);background:rgba(40,196,232,.12);box-shadow:0 12px 30px rgba(40,196,232,.2)}
.led-thumbs button.is-active img{opacity:1}
.led-thumbs button.is-active span{color:#fff;font-weight:600}

/* ---------- APP 与小程序 ---------- */
.mobile{background:linear-gradient(180deg,#fff,var(--blue-50))}
/* 标题下方那句"不认字也能用"（比正文重，做成一枚浅蓝胶囊） */
.mobile-head .mobile-note{
  display:inline-block;margin:20px auto 0;padding:11px 26px;border-radius:999px;
  font-size:16.5px;font-weight:600;color:var(--blue-700);letter-spacing:.01em;
  background:linear-gradient(120deg,rgba(61,141,243,.11),rgba(40,196,232,.13));
  border:1px solid rgba(27,109,224,.16)
}
/* 标题四周撒的 APP 菜单图标（用 素材图/APP 与小程序图标素材 里的图标）：
   进视口时逐个"弹"出来（.reveal 由 main.js 加 .in），落位后各自轻微浮动；
   只是装饰，不占布局也不接收鼠标。 */
.mobile-head{position:relative}
.mobile-head .menu-icons{position:absolute;inset:0;pointer-events:none}
/* 每个 .mi 都给定明确的宽高：图标要能摆到标题块之外，否则"可用宽度"算出来是负的，
   里面的 <img> 会被全站的 img{max-width:100%} 压成 0 宽。 */
.menu-icons .mi{position:absolute;width:var(--s,58px);height:var(--s,58px);opacity:0;transform:scale(.35) rotate(-15deg)}
.menu-icons .mi.in{opacity:1;transform:none}
.menu-icons .mi > img{
  display:block;width:100%;height:100%;max-width:none;
  filter:drop-shadow(0 10px 16px rgba(15,61,145,.22));   /* 图标四角是透明的，用 drop-shadow 跟着圆角走 */
  animation:miBob 6.4s ease-in-out infinite;animation-delay:var(--fd,0s)
}
@keyframes miBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
/* 12 个图标的位置：上排 3 个在标题上方，左右各 3 个在列上，再 3 个贴在标题 / 说明两侧 */
.mi-1{left:16%;top:-26%}
.mi-2{left:44%;top:-32%}
.mi-3{left:72%;top:-26%}
.mi-4{left:-16%;top:6%}
.mi-5{left:-13%;top:50%}
.mi-6{left:-16%;top:94%}
.mi-7{left:114%;top:2%}
.mi-8{left:113.5%;top:48%}
.mi-9{left:114%;top:92%}
.mi-10{left:2%;top:22%}
.mi-11{left:94%;top:20%}
.mi-12{left:103%;top:62%}
.flow-strip{
  display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
  padding:22px 26px;border-radius:999px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);margin:0 auto 62px;width:fit-content;max-width:100%
}
.flow-node{font-size:15px;font-weight:600;color:var(--blue-800);white-space:nowrap}
.flow-strip i{color:var(--blue-200);font-style:normal}
.flow-strip .flow-node{animation:flowPulse 4.8s ease-in-out infinite}
.flow-strip .flow-node:nth-child(1){animation-delay:0s}
.flow-strip .flow-node:nth-child(3){animation-delay:.3s}
.flow-strip .flow-node:nth-child(5){animation-delay:.6s}
.flow-strip .flow-node:nth-child(7){animation-delay:.9s}
.flow-strip .flow-node:nth-child(9){animation-delay:1.2s}
.flow-strip .flow-node:nth-child(11){animation-delay:1.5s}
@keyframes flowPulse{0%,80%,100%{color:var(--blue-800)}40%{color:var(--blue-600);text-shadow:0 0 18px rgba(27,109,224,.45)}}

.mobile-split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:52px}
.block-title{font-size:19px;color:var(--blue-900);margin-bottom:26px;display:flex;align-items:center;gap:12px}
.block-title small{font-size:13px;font-weight:500;color:var(--blue-600);background:var(--blue-50);border:1px solid var(--blue-100);padding:3px 12px;border-radius:999px}

.phone-row{display:flex;gap:20px;overflow-x:auto;padding:10px 4px 18px;scroll-snap-type:x mandatory;
  -webkit-mask-image:linear-gradient(90deg,#000 0,#000 84%,rgba(0,0,0,.15) 96%,transparent 100%);
  mask-image:linear-gradient(90deg,#000 0,#000 84%,rgba(0,0,0,.15) 96%,transparent 100%)}
.phone-row::-webkit-scrollbar{height:6px}
.phone-row::-webkit-scrollbar-thumb{background:var(--blue-200);border-radius:6px}
.scroll-hint{font-size:13px;color:var(--muted-2);letter-spacing:.08em;margin-top:4px}
.phone{
  flex:0 0 168px;scroll-snap-align:start;text-align:center;
  animation:floaty 6s ease-in-out infinite
}
.phone:nth-child(even){animation-delay:-3s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.phone-screen{
  position:relative;border-radius:26px;padding:8px;background:linear-gradient(160deg,#0F2A55,#0A1B38);
  box-shadow:0 16px 34px rgba(10,42,94,.22)
}
.phone-screen::before{
  content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);
  width:52px;height:6px;border-radius:6px;background:rgba(255,255,255,.28)
}
.phone-screen img{border-radius:20px;aspect-ratio:9/19.5;object-fit:cover;object-position:top center;background:#fff}
.phone p{font-size:13px;color:var(--blue-900);margin-top:14px}
.phone-sm{flex:0 0 138px}
.mp-row{display:flex;gap:18px;flex-wrap:wrap}
.chip-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip-list li{
  font-size:13.5px;color:var(--blue-700);background:#fff;border:1px solid var(--blue-100);
  border-radius:999px;padding:7px 16px;transition:.35s var(--ease)
}
.chip-list li:hover{background:var(--blue-600);color:#fff;border-color:transparent;transform:translateY(-2px)}

/* ---------- 功能模块 ---------- */
.modules{background:#fff}
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.mod-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 32px 30px;overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s
}
.mod-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:190px;height:190px;border-radius:50%;
  background:radial-gradient(circle,rgba(40,196,232,.16),transparent 68%);opacity:0;transition:opacity .5s
}
.mod-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg);border-color:var(--blue-200)}
.mod-card:hover::after{opacity:1}
.mod-icon{
  position:relative;width:64px;height:64px;border-radius:18px;display:grid;place-items:center;margin-bottom:24px;
  background:linear-gradient(140deg,var(--blue-600),var(--blue-500));box-shadow:0 14px 30px rgba(27,109,224,.28)
}
.mod-icon svg{width:32px;height:32px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mod-card h3{font-size:20px;color:var(--blue-900);margin-bottom:12px}
.mod-card p{color:var(--muted);font-size:15px}
.mod-card ul{margin:20px 0 22px;display:flex;flex-direction:column;gap:9px}
.mod-card li{position:relative;padding-left:20px;font-size:14.5px;color:#3E5C82}
.mod-card li::before{
  content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:2px;transform:rotate(45deg);
  background:linear-gradient(135deg,var(--cyan-400),var(--blue-600))
}
.mod-proof{
  display:inline-block;font-size:13px;font-weight:600;color:var(--blue-700);
  background:var(--blue-50);border:1px solid var(--blue-100);border-radius:999px;padding:6px 16px
}

/* ---------- 价值对比 ---------- */
.value{background:linear-gradient(180deg,var(--blue-50),#fff)}
.compare{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.compare-head,.compare-row{display:grid;grid-template-columns:150px 1fr 1.35fr;gap:18px;align-items:center;padding:20px 32px}
.compare-head{background:linear-gradient(120deg,var(--blue-800),var(--blue-600));color:#fff;font-size:14px;letter-spacing:.1em}
.compare-row{border-top:1px solid var(--line);transition:background .35s}
.compare-row:hover{background:var(--blue-50)}
.c-dim{font-weight:600;color:var(--blue-900)}
.c-old{color:var(--muted-2);position:relative;padding-left:22px}
.c-old::before{content:"✕";position:absolute;left:0;color:#C4CFE0;font-size:12px}
.c-new{color:var(--blue-700);font-weight:600;position:relative;padding-left:24px}
.c-new::before{content:"✓";position:absolute;left:0;color:var(--cyan-400);font-weight:700}
.value-foot{text-align:center;margin-top:34px;font-size:19px;color:var(--blue-900)}
.assets-strip{
  margin-top:56px;background:linear-gradient(120deg,var(--blue-900),var(--blue-700));border-radius:var(--radius-lg);
  padding:36px;color:#fff;position:relative;overflow:hidden
}
.assets-strip::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(40,196,232,.3),transparent 68%)
}
.assets-strip h4{font-size:17px;font-weight:600;color:#DCEAFF;position:relative;z-index:1}
.assets-items{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px;position:relative;z-index:1}
.assets-items span{
  font-size:14.5px;padding:14px 18px;border-radius:12px;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);transition:.35s var(--ease)
}
.assets-items span:hover{background:rgba(255,255,255,.18);transform:translateY(-3px)}

/* ---------- 服务承诺与客户 ---------- */
.trust{background:#fff}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.promise{
  border-radius:var(--radius);padding:30px 26px;border:1px solid var(--line);
  background:linear-gradient(180deg,#fff,#F8FBFF);transition:.45s var(--ease)
}
.promise:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:var(--blue-200)}
.promise h3{font-size:17px;color:var(--blue-800);margin-bottom:10px}
.promise p{font-size:14.5px;color:var(--muted)}
.clients{position:relative;margin-top:32px;text-align:center}
.clients h3{font-size:20px;color:var(--blue-900);margin-bottom:34px}
/* 客户文字墙
   宽屏：main.js 以标题「各行业合作客户」为圆心，把名单摆成一圈一圈绕标题的环形（给 .client-wall 加 .orbit）；
   进入视口时各项从圆心（标题处）飞到自己那一圈，落位后整圈绕圆心缓慢旋转；
   窄屏 / 未启用 JS：回退成普通换行居中。加客户只要往 #clientWall 里加 <li>，两种排法都自动适配。 */
.client-wall{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:30px 12px;max-width:1020px;margin:0 auto 52px
}
.client-wall li{
  flex:0 0 auto;white-space:nowrap;
  padding:11px 16px;border-radius:999px;font-size:14px;font-weight:600;letter-spacing:.01em;
  color:var(--blue-800);background:#fff;border:1px solid var(--blue-100);
  box-shadow:0 8px 20px rgba(15,61,145,.07);
  opacity:0;
  transform:translateY(26px) scale(.82);
  transition:opacity .55s var(--ease),transform .8s var(--ease),
             background .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease
}
.client-wall.in li{opacity:1;transform:translateY(0) scale(1)}
.client-wall.in li:hover{
  background:linear-gradient(120deg,var(--blue-600),var(--blue-500));color:#fff;border-color:transparent;
  box-shadow:0 14px 30px rgba(27,109,224,.28)
}

/* —— 环形排布（宽屏，JS 加 .orbit）——
   标题钉在圆心（相对 .clients 居中）；ul 自己就是转盘：它是一个撑满容器、
   高度等于整个环的方块，绕自身中心匀速旋转；每个 li 用 left/top 摆在圆周上，
   再用 rotate 属性反向自转把文字转正（transform 留给"从圆心飞出"的进场与悬停放大）。
   未展开时各项都缩在圆心（--bx/--by 把胶囊拉回标题处），进入视口后向外发散。 */
.clients.ring h3{
  position:absolute;left:50%;z-index:2;margin:0;white-space:nowrap;
  font-size:28px;                                     /* 圆心上的标题比普通小标题大一号 */
  top:calc(var(--ring-h,100%) / 2);                   /* 垂直居中在“环”上，不是整个板块（下面还有四张卡） */
  transform:translate(-50%,-50%)
}
/* 转盘的方块本身是空的（内容都摆在圆周上），转起来四个角会甩出容器，
   剪掉即可 —— 圆周上的胶囊全在容器内，不会被裁到。 */
.clients.ring{overflow:hidden}
.client-wall.orbit{
  position:relative;display:block;max-width:none;
  margin:0 auto 24px;
  /* 椭圆：整个转盘纵向压扁 --sky 倍（圆 → 椭圆），每个胶囊再用 scale 反向拉回来，
     所以名字摆出来的整体形状是椭圆，胶囊本身和文字都不变形 */
  transform:scaleY(var(--sky,1));
  transform-origin:50% 50%
}
.client-wall.orbit li{
  position:absolute;
  scale:1 var(--sinv,1);
  transition:opacity .6s var(--ease),transform .95s var(--ease),scale .3s var(--ease),
             background .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease
}
.client-wall.orbit:not(.in) li{
  opacity:0;
  transform:translate(var(--bx,0px),var(--by,0px)) scale(.5)
}
.client-wall.orbit.in li{opacity:1;transform:none}
.client-wall.orbit.in li:hover{z-index:3;scale:1.08 calc(1.08 / var(--sky,1))}
.client-wall.orbit.spin{animation:orbitSpin var(--spin,64s) linear infinite;animation-delay:var(--spin-delay,0s)}
.client-wall.orbit.spin li{animation:orbitSpinBack var(--spin,64s) linear infinite;animation-delay:var(--spin-delay,0s)}
/* 转盘：压扁 + 绕中心转（压扁放前面，才是"椭圆形状不动、名字沿椭圆跑"） */
@keyframes orbitSpin{from{transform:scaleY(var(--sky,1)) rotate(0deg)}to{transform:scaleY(var(--sky,1)) rotate(360deg)}}
/* 胶囊只反向自转把文字转正；因为转盘被压扁，文字不会跟着被压扁 */
@keyframes orbitSpinBack{from{rotate:0deg}to{rotate:-360deg}}
.client-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:left}
.client-groups div{background:var(--blue-50);border-radius:var(--radius);padding:24px;border:1px solid var(--blue-100)}
.client-groups h4{font-size:14px;color:var(--blue-600);letter-spacing:.08em;margin-bottom:10px}
.client-groups p{font-size:14.5px;color:#3E5C82}

/* ---------- 联系我们 ---------- */
.contact{background:linear-gradient(150deg,var(--blue-950),var(--blue-800) 62%,var(--blue-700));position:relative;overflow:hidden}
.contact::before{
  content:"";position:absolute;left:-160px;bottom:-220px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(40,196,232,.28),transparent 68%)
}
.contact-wrap{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:60px;align-items:center;position:relative;z-index:1}
.contact-sub{color:rgba(214,232,255,.88);font-size:16px;margin:22px 0 34px;line-height:2}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-bottom:34px}
.contact-list li{display:flex;align-items:center;gap:16px;color:#fff;font-size:16px}
.ci-label{width:88px;flex-shrink:0;font-size:13px;letter-spacing:.14em;color:rgba(184,214,250,.85)}
.contact-list b{font-weight:600}
.todo-edit{
  color:#FFE58A;border-bottom:1px dashed rgba(255,229,138,.6);font-weight:600;
  cursor:text;padding-bottom:1px;font-size:15px
}
.qr-card{
  background:rgba(255,255,255,.96);border-radius:var(--radius-lg);padding:28px;text-align:center;
  box-shadow:0 30px 70px rgba(3,14,34,.4);animation:floaty 7s ease-in-out infinite
}
.qr-frame{position:relative;border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);aspect-ratio:1;display:grid;place-items:center}
.qr-frame img{width:100%;height:100%;object-fit:contain;padding:10px}
.qr-hint{display:none;font-size:13px;color:var(--muted);line-height:1.9;padding:18px}
.qr-hint b{color:var(--blue-600);font-size:13px}
.no-qr .qr-hint{display:block}
.no-qr::after{
  content:"";position:absolute;inset:12px;border:2px dashed var(--blue-200);border-radius:12px
}
.qr-card h3{font-size:18px;color:var(--blue-900);margin:22px 0 8px}
.qr-card p{font-size:13.5px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--blue-950);color:rgba(198,220,246,.82);padding:70px 0 26px}
.footer-inner{display:grid;grid-template-columns:1.4fr .8fr .8fr auto;gap:44px;align-items:start}
.footer-brand img{height:64px;width:auto;margin-bottom:20px}
.footer-brand p{font-size:14px;line-height:2}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links h4{font-size:14px;color:#fff;letter-spacing:.1em;margin-bottom:6px}
.footer-links a{font-size:14px;transition:.3s;width:fit-content}
.footer-links a:hover{color:#fff;transform:translateX(4px)}
.footer-qr{text-align:center}
.footer-qr img{width:110px;height:110px;object-fit:contain;background:#fff;border-radius:12px;padding:6px;margin:0 auto 10px}
.footer-qr span{font-size:12.5px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(120,170,255,.2);font-size:13px
}
/* 页脚底部的协议链接（用户服务协议 / 隐私政策） */
.footer-legal{display:flex;gap:20px;flex-wrap:wrap}
.footer-legal a{color:rgba(198,220,246,.82);transition:.3s}
.footer-legal a:hover{color:#fff}
.footer-legal a.is-here{color:#fff;font-weight:600}

/* ---------- 协议页 / 隐私政策页（terms.html、privacy.html） ---------- */
.legal-page{background:linear-gradient(180deg,#fff,var(--blue-50) 92%)}
.legal-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)
}
.legal-header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 0}
.legal-header .brand img{width:42px;height:42px}
.legal-header .brand-text b{font-size:18px}
.legal-back{font-size:14.5px;font-weight:600;color:var(--blue-700);white-space:nowrap;transition:.3s}
.legal-back:hover{color:var(--blue-500)}
.legal-main{padding:60px 0 96px}
.legal-head{text-align:center;margin-bottom:44px}
.legal-head h1{font-size:clamp(24px,2.6vw,34px);color:var(--blue-900);margin-top:14px}
.legal-meta{margin-top:16px;font-size:14px;color:var(--muted)}
.legal-body{
  max-width:880px;margin:0 auto;padding:52px 58px 58px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)
}
.legal-body h2{
  position:relative;font-size:18.5px;color:var(--blue-900);margin:34px 0 12px;padding-left:15px
}
.legal-body h2:first-child{margin-top:0}
.legal-body h2::before{
  content:"";position:absolute;left:0;top:.5em;width:4px;height:1em;border-radius:2px;
  background:linear-gradient(180deg,var(--cyan-400),var(--blue-600))
}
.legal-body p,.legal-body li{font-size:15.5px;line-height:1.95;color:#3E5C82}
.legal-body p{margin:10px 0}
.legal-body ol,.legal-body ul{margin:12px 0 12px 24px;display:grid;gap:8px}
.legal-body li::marker{color:var(--blue-500)}
.legal-body b{color:var(--blue-800)}
@media (max-width:860px){
  .legal-main{padding:36px 0 68px}
  .legal-body{padding:30px 22px 34px}
  .legal-body h2{font-size:17px}
  .legal-body p,.legal-body li{font-size:15px}
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:28px;bottom:28px;z-index:90;width:48px;height:48px;border-radius:50%;
  background:linear-gradient(140deg,var(--blue-600),var(--blue-500));color:#fff;font-size:20px;
  box-shadow:0 14px 30px rgba(27,109,224,.4);opacity:0;visibility:hidden;transform:translateY(16px);
  transition:.4s var(--ease)
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-4px)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .slider-arrow.prev{left:14px}
  .slider-arrow.next{right:14px}
  .slider-arrow{display:none}
}
/* 再窄一点，标题两侧就没空位放"撒出去"的图标了（会压到文字）—— 整组不显示 */
@media (max-width:1179px){
  .menu-icons{display:none}
}
/* 1025~1320：保持导航单行 —— 缩小字号、隐藏副标题与右上按钮（预约演示在首屏与联系区仍在） */
@media (min-width:1025px) and (max-width:1320px){
  .header-inner{gap:16px}
  .brand img{width:40px;height:40px}
  .brand-text b{font-size:16px}
  .brand-text i{display:none}
  .nav{gap:2px}
  .nav a{padding:8px 9px;font-size:13.5px}
  .nav a::after{bottom:1px}
  .nav-cta{display:none}
}
@media (max-width:1024px){
  .section{padding:84px 0}
  /* 导航：≤1024 折叠为下拉菜单（9 个菜单项在窄屏排不下） */
  .nav{
    position:fixed;inset:58px 3vw auto;flex-direction:column;gap:2px;padding:18px;
    background:rgba(255,255,255,.98);border-radius:20px;box-shadow:var(--shadow-lg);
    opacity:0;visibility:hidden;transform:translateY(-14px);transition:.35s var(--ease);margin:0
  }
  .nav-open .nav{opacity:1;visibility:visible;transform:none}
  .nav a{color:var(--ink);padding:13px 14px;min-height:44px;display:flex;align-items:center}
  .nav a::after{display:none}
  .nav a.active{color:var(--blue-700)}
  .nav-toggle{display:flex}
  .brand-text i{display:none}
  .dash-stage,.mobile-split{grid-template-columns:minmax(0,1fr)}
  .mobile-split{gap:56px}
  /* 后台管理：整屏大图，窄屏只收内边距 */
  .ap-inner{min-height:0;padding:38px 34px;gap:26px}
  .ap-list{max-width:none}
  /* 横向滚动区的容器必须允许收窄，否则窄屏会被内容撑宽 */
  .phone-block,.mp-block,.phone-row,.mp-row,.laptop-frame,.dash-stage>*{min-width:0}
  .mp-row{flex-wrap:wrap}
  .laptop-base{width:100%;margin-left:0}
  .overview-grid,.module-grid{grid-template-columns:repeat(2,1fr)}
  .promise-grid,.client-groups,.assets-items{grid-template-columns:repeat(2,1fr)}
  .policy-cards{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:34px}
  .contact-wrap{grid-template-columns:1fr;gap:44px}
  .qr-card{max-width:340px}
  .nav-cta{display:none}
}
@media (max-width:860px){
  .pain-grid{grid-template-columns:1fr}
  .compare-head,.compare-row{grid-template-columns:1fr;gap:8px;padding:18px 22px}
  .compare-head{display:none}
  .c-dim{font-size:15px;color:var(--blue-600);letter-spacing:.08em}
  .hero{min-height:auto;display:block}
  .slider{position:relative;width:100%}
  .slide{position:absolute}
  .hero .slider{min-height:min(92vh,720px)}
  /* 轮播图是 1920×900、内容（设备/卡片/图标环）都在右侧，窄屏裁切优先保留右边，
     否则 cover 会只取到中间一条，看着像随便裁的 */
  .slide-media img{object-position:right center}
  /* 手机上文字直接压在图上，横向渐变遮罩不够用（窄屏整屏都是深色那一段），
     改成整体压一层纵向深色，文字清楚、图还看得见 */
  .slide-shade{background:linear-gradient(180deg,rgba(3,12,32,.88) 0%,rgba(4,16,38,.74) 40%,rgba(5,22,50,.58) 68%,rgba(6,26,58,.8) 100%)}
  .slide-inner{padding:120px 0 150px;max-width:100%}
  .slide h1,.slide h2{font-size:clamp(26px,7.6vw,32px)}
  .slide-sub{font-size:15px;margin:16px 0 26px}
  .slider-bar{bottom:26px;gap:14px;flex-wrap:wrap}
  .slider-timer{display:none}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .led-thumbs button{width:132px}
  .led-thumbs button img{height:52px}
  .ap-pill{font-size:16px;padding:14px 22px}
  /* 后台管理：手机上"整屏大图 + 图上压毛玻璃标签"会让图被裁成一条、字压字，
     改成"上方一块图、下方标签与说明"的上下结构；图的裁切优先保留右边（卡片都在那一带） */
  .ap-bg{position:relative;inset:auto;height:min(52vw,260px);overflow:hidden;background:#0A2A5E}
  .ap-shot{object-position:right center}
  .ap-inner{min-height:0;padding:22px 20px 34px;gap:16px;justify-content:flex-start}
  /* 触控目标：汉堡按钮与页脚链接在手机上都要够大够好点 */
  .nav-toggle{width:44px;height:44px;justify-content:center;align-items:center}
  .footer-links a{padding:8px 0;min-height:44px;display:flex;align-items:center}   /* 手机上页脚链接也要够大 */
  .footer-legal a{padding:10px 0;min-height:44px;display:inline-flex;align-items:center}
  .flow-strip{border-radius:22px;padding:18px;gap:8px}
  /* 政策窗口期：两列 → 一列 */
  .policy-local,.paths-grid{grid-template-columns:minmax(0,1fr)}
  .policy-statement{padding:32px 22px;margin-bottom:40px}
  .policy-platform{padding:40px 24px}
  .policy-paths{margin-top:48px}
  .path-col{padding:26px 22px}
  .pp-pills{grid-template-columns:repeat(2,max-content)}
  .footer-inner{grid-template-columns:1fr}
  .footer-qr{margin-top:10px}
}
@media (max-width:560px){
  .overview-grid,.module-grid,.promise-grid,.client-groups,.assets-items{grid-template-columns:1fr}
  /* 后台管理 */
  .ap-inner{padding:28px 20px;gap:20px}
  .ap-pill{font-size:15.5px;padding:13px 18px;gap:12px}
  .ap-clip p{padding:20px 22px;font-size:14.5px}
  .policy-cards{grid-template-columns:minmax(0,1fr)}
  .policy-statement p{font-size:22px}
  .policy-platform h3{font-size:22px}
  .pp-pills span{font-size:13px;padding:7px 14px}
  .pp-pills{grid-template-columns:minmax(0,max-content)}
  .section{padding:66px 0}
  .slide-actions .btn{padding:12px 22px;font-size:15px}
  .stat-row{grid-template-columns:1fr 1fr;gap:14px}
  .phone{flex:0 0 146px}
  .phone-sm{flex:0 0 122px}
  .mp-row{gap:12px}
  .client-wall{gap:26px 9px}
  .client-wall li{padding:9px 16px;font-size:14px}
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.15s !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .slide-media img{transform:none}
}