@charset "UTF-8";
/* ==========================================================================
   奥优国际 AoYo International Media — 全站样式
   纯手写 CSS，无框架、无外部字体，首屏渲染零阻塞
   ========================================================================== */

/* ---------------------------------------------------------------- 变量 */
:root{
  --red:#D93A1C; --red-d:#B02C12; --red-l:#FDF1ED;
  --ink:#0D1117; --ink-1:#1C222B; --ink-2:#414A57; --ink-3:#6E7885; --ink-4:#98A1AD;
  --bg:#FFFFFF; --bg-2:#F7F8FA; --bg-3:#EFF1F4;
  --line:#E7E9ED; --line-d:#D8DCE2;
  --dark:#0D1117; --dark-2:#151A22;
  --page:1180px; --r:3px; --r-lg:10px;
  --sh-s:0 1px 2px rgba(13,17,23,.05);
  --sh-m:0 8px 28px -12px rgba(13,17,23,.14);
  --sh-l:0 26px 60px -28px rgba(13,17,23,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --head-h:66px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",Roboto,Helvetica,Arial,sans-serif;
}

/* ---------------------------------------------------------------- 基础 */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 16px)}
body{
  margin:0;background:var(--bg);color:var(--ink-1);
  font-family:var(--font);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
hr{border:0;border-top:1px solid var(--line);margin:0}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:2px}

/* ---------------------------------------------------------------- 布局 */
.wrap{width:100%;max-width:var(--page);margin:0 auto;padding:0 22px}
.wrap-n{max-width:940px}
.sec{padding:86px 0}
.sec-s{padding:60px 0}
.sec-b{background:var(--bg-2)}
.sec-d{background:var(--dark);color:#B9C1CC}
.sec-d h1,.sec-d h2,.sec-d h3,.sec-d h4{color:#fff}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g-2-1{grid-template-columns:1.35fr 1fr}
.g-1-2{grid-template-columns:1fr 1.62fr}
.gap-s{gap:12px}
.gap-l{gap:34px}
.mt-s{margin-top:14px}.mt{margin-top:26px}.mt-l{margin-top:44px}.mt-xl{margin-top:64px}
.center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}

/* ---------------------------------------------------------------- 文字 */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:var(--red);line-height:1
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--red);flex:none}
.sec-d .eyebrow{color:#FF8E6E}
.sec-d .eyebrow::before{background:#FF8E6E}
.h1{font-size:clamp(30px,5.4vw,56px);line-height:1.14;letter-spacing:-.02em}
.h2{font-size:clamp(23px,3.5vw,36px);line-height:1.26;letter-spacing:-.015em}
.h3{font-size:clamp(17px,2vw,20px);line-height:1.5}
.h1 .thin,.h2 .thin,.h3 .thin{font-weight:400;color:var(--ink-3)}
.sec-d .h1 .thin,.sec-d .h2 .thin{color:#8E97A3}
.lede{margin-top:18px;font-size:16.5px;line-height:1.92;color:var(--ink-2);max-width:64ch}
.sec-d .lede{color:#A8B1BD}
.muted{color:var(--ink-3)}
.small{font-size:13.5px;line-height:1.8}
.tiny{font-size:12px;line-height:1.7;color:var(--ink-4);letter-spacing:.02em}
.num-en{font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.sec-head{margin-bottom:38px}
.sec-head .h2{margin-top:16px}
.sec-head .lede{margin-top:16px}

/* ---------------------------------------------------------------- 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:14.5px;font-weight:600;
  letter-spacing:.02em;transition:all .24s var(--ease);white-space:nowrap;
}
/* <button> 也能直接用 .btn 系列样式 */
button.btn{font-family:inherit;-webkit-appearance:none;appearance:none;cursor:pointer}
.btn-r{background:var(--red);color:#fff;box-shadow:0 8px 20px -10px rgba(217,58,28,.65)}
.btn-r:hover{background:var(--red-d);transform:translateY(-1px);box-shadow:0 12px 26px -10px rgba(217,58,28,.7)}
.btn-o{border:1px solid var(--line-d);color:var(--ink-1);background:#fff}
.btn-o:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-w{border:1px solid rgba(255,255,255,.24);color:#fff}
.btn-w:hover{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.06)}
.btn-t{padding:0;color:var(--red);font-weight:600;gap:6px}
.btn-t .ar{transition:transform .24s var(--ease)}
.btn-t:hover .ar{transform:translateX(5px)}

/* ---------------------------------------------------------------- 页头 */
.head{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s;
}
.head.on{border-bottom-color:var(--line);box-shadow:0 1px 16px rgba(13,17,23,.05)}
.head-in{
  max-width:var(--page);margin:0 auto;padding:0 22px;height:var(--head-h);
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;flex:none}
.brand img{width:auto;height:34px}
.brand .lg-b{display:block}.brand .lg-w{display:none}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{
  position:relative;padding:9px 14px;font-size:14.5px;font-weight:500;color:var(--ink-2);
  border-radius:var(--r);transition:color .2s,background .2s;letter-spacing:.01em;
}
.nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--red);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after,.nav a.cur::after{transform:scaleX(1)}
.nav a.cur{color:var(--ink);font-weight:600}
.head-cta{margin-left:10px}
.burger{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:var(--r);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:19px;height:1.6px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.burger.x span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:var(--head-h) 0 0;z-index:89;background:#fff;
  padding:20px 22px 40px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;transition:.28s var(--ease);
  border-top:1px solid var(--line);
}
.drawer.on{transform:none;opacity:1;pointer-events:auto}
.drawer a{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:17px 4px;border-bottom:1px solid var(--line);font-size:17px;font-weight:600;color:var(--ink);
}
.drawer a i{font-style:normal;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--ink-4);text-transform:uppercase}
.drawer .d-foot{margin-top:26px;display:flex;flex-direction:column;gap:9px}
.drawer .d-foot .btn{width:100%}
.drawer .d-info{margin-top:24px;font-size:13.5px;line-height:2.05;color:var(--ink-3)}
body.lock{overflow:hidden}

/* ---------------------------------------------------------------- 首屏 */
.hero{
  position:relative;background:var(--dark);color:#fff;overflow:hidden;
  padding:calc(var(--head-h) + 78px) 0 0;
}
.hero::before{
  content:"";position:absolute;top:-24%;right:-14%;width:min(860px,92vw);aspect-ratio:1;
  background:radial-gradient(circle,rgba(217,58,28,.30),rgba(217,58,28,0) 62%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:74px 74px;
  -webkit-mask-image:radial-gradient(ellipse 78% 62% at 50% 34%,#000,transparent 76%);
  mask-image:radial-gradient(ellipse 78% 62% at 50% 34%,#000,transparent 76%);
}
.hero-in{position:relative;z-index:2}
.hero .h1{color:#fff;margin-top:22px}
.hero .lede{color:#B4BDC8;max-width:58ch;font-size:17px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.05);
  font-size:12.5px;letter-spacing:.1em;color:#D7DDE5;
}
.hero-badge em{font-style:normal;width:6px;height:6px;border-radius:50%;background:#FF6A45;flex:none}
.hero-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-mini{margin-top:52px;display:flex;flex-wrap:wrap;gap:10px 30px;font-size:13px;color:#8E97A3;letter-spacing:.04em}
.hero-mini span{display:inline-flex;align-items:center;gap:8px}
.hero-mini span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--red);flex:none}

/* 数据带 */
.stats{
  position:relative;z-index:2;margin-top:64px;
  border-top:1px solid rgba(255,255,255,.12);
  display:grid;grid-template-columns:repeat(6,1fr);
}
.stats div{
  padding:30px 20px 34px;border-right:1px solid rgba(255,255,255,.1);
}
.stats div:last-child{border-right:0}
.stats b{display:block;font-size:clamp(24px,3.1vw,36px);font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.025em}
.stats b i{font-style:normal;font-size:.52em;font-weight:600;color:#FF8E6E;margin-left:2px}
.stats span{display:block;margin-top:9px;font-size:12.5px;color:#8E97A3;letter-spacing:.05em}

/* 页面内页头 */
.phead{
  position:relative;background:var(--dark);color:#fff;
  padding:calc(var(--head-h) + 60px) 0 66px;overflow:hidden;
}
.phead::before{
  content:"";position:absolute;top:-40%;right:-10%;width:min(620px,80vw);aspect-ratio:1;
  background:radial-gradient(circle,rgba(217,58,28,.26),rgba(217,58,28,0) 65%);pointer-events:none;
}
.phead-in{position:relative;z-index:2}
.phead .h1{color:#fff;margin-top:18px;font-size:clamp(27px,4.4vw,44px)}
.phead .lede{color:#A8B1BD;margin-top:18px;font-size:16px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:12.5px;color:#7E8896;letter-spacing:.04em}
.crumb a:hover{color:#fff}
.crumb i{font-style:normal;opacity:.5}

/* ---------------------------------------------------------------- 卡片 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-m);border-color:var(--line-d)}
.card .n{
  display:block;font-size:11.5px;font-weight:800;letter-spacing:.16em;color:var(--red);margin-bottom:14px;
}
.card h3{font-size:18px}
.card h3+.p{margin-top:10px}
.card p{font-size:14.5px;line-height:1.88;color:var(--ink-2);margin-top:11px}
.card-flat{background:var(--bg-2);border-color:transparent}
.card-flat:hover{background:#fff;border-color:var(--line)}
.card-d{background:var(--dark-2);border-color:rgba(255,255,255,.09);color:#A8B1BD}
.card-d:hover{border-color:rgba(255,255,255,.2)}
.card-d h3{color:#fff}
.card-d p{color:#98A1AD}
.card-l{border-left:2px solid var(--red);border-radius:0 8px 8px 0}
.card-s{padding:22px 20px}
.card-s .n{margin-bottom:10px;font-size:11px}
.card-s h3{font-size:16px;line-height:1.45}
.card-s p{font-size:13.5px;line-height:1.8;margin-top:8px}

/* 图文列表 */
.li-s{display:grid;gap:13px;margin-top:22px}
.li-s li{
  position:relative;padding-left:22px;font-size:15px;line-height:1.85;color:var(--ink-2);
}
.li-s li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:1.6px;background:var(--red);
}
.li-s.dense li{font-size:14.5px}
.li-s.chev li::before{
  content:"";left:1px;top:.5em;width:7px;height:7px;background:none;
  border-right:1.6px solid var(--red);border-bottom:1.6px solid var(--red);
  transform:rotate(-45deg);border-radius:1px;
}

/* 标签 */
.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.tag{
  font-size:13px;padding:7px 14px;border-radius:999px;background:var(--bg-3);
  color:var(--ink-2);border:1px solid transparent;line-height:1.4;
}
.tag.on{background:var(--red);color:#fff}
.tag-o{background:#fff;border-color:var(--line-d)}

/* 数据小卡 */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.metric{border-top:2px solid var(--red);padding-top:14px}
.metric b{display:block;font-size:clamp(19px,2.5vw,25px);font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:-.02em}
.metric span{display:block;margin-top:5px;font-size:12.5px;color:var(--ink-3);line-height:1.6}

/* 编号列表（资源） */
.res{border-top:1px solid var(--line)}
.res-row{
  display:grid;grid-template-columns:66px 1fr;gap:24px;align-items:start;
  padding:27px 0;border-bottom:1px solid var(--line);transition:background .3s;
}
.res-row:hover{background:var(--bg-2)}
.res-row .idx{
  font-size:13px;font-weight:800;color:var(--red);letter-spacing:.1em;padding-top:3px;
  font-variant-numeric:tabular-nums;
}
.res-row h3{font-size:17px}
.res-row ul{margin-top:12px;display:grid;gap:8px}
.res-row li{position:relative;padding-left:17px;font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.res-row li::before{content:"";position:absolute;left:0;top:.68em;width:6px;height:1.5px;background:var(--red)}
.res-row .fig{font-weight:700;color:var(--ink)}

/* 图片 */
figure{margin:0}
.shot{
  width:100%;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--bg-2);cursor:zoom-in;transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.shot:hover{transform:translateY(-3px);box-shadow:var(--sh-m)}
.figcap{margin-top:11px;font-size:12.5px;color:var(--ink-4);text-align:center;letter-spacing:.03em}

/* ---------------------------------------------------------------- 案例 */
.filters{
  display:flex;gap:9px;overflow-x:auto;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;padding-bottom:4px;margin-bottom:30px;
}
.filters::-webkit-scrollbar{display:none}
.filters .chip{
  flex:0 0 auto;font-size:13.5px;font-weight:600;padding:8px 17px;border-radius:999px;
  border:1px solid var(--line-d);background:#fff;color:var(--ink-2);white-space:nowrap;
  transition:.22s var(--ease);
}
.filters .chip:hover{border-color:var(--ink-3)}
.filters .chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s;
}
.case:hover{transform:translateY(-4px);box-shadow:var(--sh-l);border-color:var(--line-d)}
.case[hidden]{display:none}
/* 首页案例库：默认只显示前 6 个，点「展开全部」或按类型筛选后再显示其余 */
.cases.clamp > .case:nth-child(n+7){display:none}
.case-media{position:relative;overflow:hidden;background:var(--bg-3);aspect-ratio:820/461}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);cursor:zoom-in}
.case:hover .case-media img{transform:scale(1.035)}
.case-cat{
  position:absolute;top:13px;left:13px;z-index:2;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;color:#fff;
  background:rgba(13,17,23,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  padding:5px 11px;border-radius:999px;
}
.case-b{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.case-b h3{font-size:17.5px;line-height:1.48}
.case-sub{margin-top:9px;font-size:12.5px;color:var(--red);font-weight:600;letter-spacing:.03em}
.case-b p{margin-top:13px;font-size:14.5px;line-height:1.86;color:var(--ink-2)}
.case-m{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.case-m span{
  font-size:12px;font-weight:700;color:var(--ink);background:var(--red-l);
  border-radius:4px;padding:5px 10px;letter-spacing:.01em;
}

/* 危机公关蒙版卡：底图本身就烘进了重模糊（见 prep_assets.py），
   这里只负责压暗 + 放俏皮文案，不做 CSS 滤镜，保证灯箱放大后同样是安全版。 */
.case-media-mask::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,17,23,.40),rgba(13,17,23,.68));
}
.mask-note{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:22px;text-align:center;
}
.mask-seal{
  position:absolute;top:14px;right:14px;width:54px;height:54px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:800;color:#fff;letter-spacing:0;
  background:rgba(217,58,28,.92);border:1.5px dashed rgba(255,255,255,.72);
  box-shadow:0 8px 22px rgba(0,0,0,.3);
  transform:rotate(-12deg);animation:sealWob 5s 1.2s ease-in-out infinite;
}
@keyframes sealWob{
  0%,100%{transform:rotate(-12deg)}
  50%{transform:rotate(-4deg)}
}
.mask-h{
  font-size:19px;font-weight:800;color:#fff;letter-spacing:.02em;line-height:1.42;
  text-shadow:0 2px 16px rgba(0,0,0,.66),0 1px 3px rgba(0,0,0,.5);
}
.mask-h em{font-style:normal;position:relative;color:#FFD3C8}
.mask-h em::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:6px;
  background:rgba(217,58,28,.9);border-radius:2px;
}
.mask-p{
  margin-top:14px;font-size:16px;font-weight:800;color:#FFC2B2;letter-spacing:.12em;
  text-shadow:0 2px 12px rgba(0,0,0,.6);
}
.mask-s{
  margin-top:8px;font-size:12.5px;color:rgba(255,255,255,.82);letter-spacing:.02em;
  text-shadow:0 1px 8px rgba(0,0,0,.6);
}

/* 客户墙 */
.clients{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.clients span{
  font-size:13.5px;padding:9px 16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);color:var(--ink-2);transition:.22s var(--ease);
}
.clients span:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}

/* 荣誉 */
.honors{display:grid;gap:0;margin-top:26px;border-top:1px solid var(--line)}
.honors li{
  display:flex;align-items:flex-start;gap:18px;padding:22px 0;
  border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--ink);line-height:1.7;
}
.honors li::before{
  content:"";flex:none;width:9px;height:9px;margin-top:.62em;background:var(--red);
  transform:rotate(45deg);border-radius:1.5px;
}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:34px}
.flow-col{position:relative;padding-top:24px;border-top:2px solid var(--ink)}
.flow-col::before{
  content:"";position:absolute;top:-2px;left:0;width:44px;height:2px;background:var(--red);
}
.flow-col h3{font-size:16px;letter-spacing:.04em}
.flow-col .en{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-4);font-weight:700}
.flow-col ul{margin-top:18px;display:grid;gap:11px}
.flow-col li{display:flex;gap:11px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.flow-col li em{
  font-style:normal;flex:none;width:20px;height:20px;border-radius:50%;background:var(--bg-3);
  color:var(--ink-3);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.flow-col.on li em{background:var(--red);color:#fff}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:34px;border-top:1px solid var(--line)}
.steps div{padding:26px 20px 0;border-right:1px solid var(--line);position:relative}
.steps div:last-child{border-right:0}
.steps div::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--red)}
.steps b{display:block;font-size:12px;font-weight:800;color:var(--red);letter-spacing:.14em}
.steps h4{font-size:16px;margin-top:9px}
.steps p{font-size:13.5px;color:var(--ink-3);line-height:1.78;margin-top:9px}

/* ---------------------------------------------------------------- 页脚 */
.foot{background:var(--dark);color:#8E97A3;padding:70px 0 0;font-size:14px}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:52px}
.foot h4{color:#fff;font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;margin-bottom:20px}
.foot a:hover{color:#fff}
.foot-brand img{width:auto;height:40px;margin-bottom:20px}
.foot-brand p{color:#7E8896;line-height:1.9;font-size:13.5px;max-width:34ch}
.foot-links{display:grid;gap:12px}
.foot-links a{font-size:14px}
.foot-info{display:grid;gap:14px}
.foot-info div{display:grid;grid-template-columns:52px 1fr;gap:12px;font-size:13.5px;line-height:1.75}
.foot-info b{color:#7E8896;font-weight:400}
.foot-info i{font-style:normal;color:#CFD6DF}
.foot-bot{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:#6E7885;
}
.foot-bot a:hover{color:#fff}
.foot-bot .en{letter-spacing:.03em}

/* 悬浮联络 */
.fab{
  position:fixed;right:18px;bottom:20px;z-index:80;display:flex;flex-direction:column;gap:10px;
  opacity:0;transform:translateY(10px);pointer-events:none;transition:.3s var(--ease);
}
.fab.on{opacity:1;transform:none;pointer-events:auto}
.fab a{
  width:48px;height:48px;border-radius:50%;background:#fff;box-shadow:var(--sh-m);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  transition:.24s var(--ease);
}
.fab a:hover{transform:translateY(-3px);box-shadow:var(--sh-l)}
.fab a.r{background:var(--red);border-color:var(--red)}
.fab svg{width:21px;height:21px}

/* ---------------------------------------------------------------- 灯箱 */
.lb{
  position:fixed;inset:0;z-index:120;background:rgba(9,12,17,.94);
  display:flex;align-items:center;justify-content:center;padding:44px 16px;
  opacity:0;pointer-events:none;transition:.26s var(--ease);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
}
.lb.on{opacity:1;pointer-events:auto}
.lb img{max-width:100%;max-height:100%;width:auto;border-radius:6px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb-x{
  position:absolute;top:16px;right:16px;width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:20px;line-height:1;transition:.22s;
}
.lb-x:hover{background:rgba(255,255,255,.14)}
.lb-tip{position:absolute;bottom:18px;left:0;right:0;text-align:center;color:#8E97A3;font-size:12.5px}

/* ---------------------------------------------------------------- 动效 */
.rv{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
.d1{transition-delay:.07s}.d2{transition-delay:.14s}.d3{transition-delay:.21s}.d4{transition-delay:.28s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------------------------------------------------------------- CTA */
.cta{
  position:relative;background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:56px 46px;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;top:-60%;right:-6%;width:min(520px,70vw);aspect-ratio:1;
  background:radial-gradient(circle,rgba(217,58,28,.34),rgba(217,58,28,0) 64%);pointer-events:none;
}
.cta>*{position:relative;z-index:2}
.cta .h2{color:#fff}
.cta p{color:#A8B1BD;margin-top:14px;max-width:52ch}
.cta-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* ================================================================ 响应式 */
@media (max-width:1080px){
  .stats{grid-template-columns:repeat(3,1fr)}
  .stats div:nth-child(3n){border-right:0}
  .stats div:nth-child(-n+3){border-bottom:1px solid rgba(255,255,255,.1)}
  .foot-top{grid-template-columns:1fr 1fr;gap:36px}
  .g4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  .nav,.head-cta{display:none}
  .burger{display:flex}
  .brand{margin-right:auto}
  .g3{grid-template-columns:repeat(2,1fr)}
  .g-2-1,.g-1-2{grid-template-columns:1fr}
  .cases{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;gap:34px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps div:nth-child(2n){border-right:0}
  .steps div:nth-child(-n+2){border-bottom:1px solid var(--line);padding-bottom:26px}
  .cta{padding:44px 26px}
  .sec{padding:64px 0}
  .sec-s{padding:46px 0}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wrap{padding:0 18px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div{padding:24px 16px 26px}
  .stats div:nth-child(2n){border-right:0}
  .stats div:nth-child(3n){border-right:1px solid rgba(255,255,255,.1)}
  .stats div:nth-child(-n+4){border-bottom:1px solid rgba(255,255,255,.1)}
  .stats div:nth-child(2n){border-right:0}
  .hero{padding-top:calc(var(--head-h) + 52px)}
  .hero-acts .btn,.cta-acts .btn{flex:1 1 auto}
  .metrics{grid-template-columns:1fr 1fr}
  .res-row{grid-template-columns:1fr;gap:12px;padding:22px 0}
  .res-row .idx{padding-top:0}
  .foot-top{grid-template-columns:1fr;gap:34px}
  .foot-info div{grid-template-columns:46px 1fr}
  .card{padding:22px 20px}
  .case-b{padding:20px}
  .honors li{font-size:15px;gap:14px}
  .brand img{height:29px}
  .steps{grid-template-columns:1fr}
  .steps div{border-right:0;padding:22px 0 0;border-bottom:1px solid var(--line);padding-bottom:22px}
  .steps div:last-child{border-bottom:0}
  .fab a{width:44px;height:44px}
  .mask-note{padding:14px}
  .mask-seal{width:42px;height:42px;font-size:16px;top:10px;right:10px}
  .mask-h{font-size:15.5px}
  .mask-p{font-size:14px;margin-top:9px}
  .mask-s{font-size:11px;margin-top:6px}
}
@media (prefers-reduced-motion:reduce){
  .mask-seal{animation:none}
}
@media print{
  .head,.fab,.lb,.drawer,.filters{display:none!important}
  .hero,.phead,.cta,.sec-d{background:#fff!important;color:#000!important}
}