/* 云悦臻鸣官网 v3 —— 颜色、字号等都在 :root 里改 */
:root{
  --brand:#12b85a; --brand-hi:#2fd876; --brand-d:#07803f; --brand-dd:#05652f; --brand-l:#e7f8ee;
  /* --brand 亮绿只做点缀（图标、圆点、线条）；白字的实心底一律用 --brand-d（对比度 5:1） */
  --ink:#101318; --text:#2a2f37; --muted:#5f6672; --faint:#666d78;
  --line:#e6e9ed; --soft:#f5f7f6; --white:#fff; --dark:#0d0f12;
  --r:20px; --r-sm:12px;
  --wrap:1240px; --gut:24px;
  --hdr:76px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --num:"Bahnschrift","DIN Alternate","DIN Pro",-apple-system,"Segoe UI",Roboto,sans-serif;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 56px)}
body{margin:0;font:16px/1.75 var(--font);color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
picture{display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:600;text-wrap:balance}
/* 大标题只在标点和空格处换行，不把“推荐”“团队”这类词拆开；一段放不下时才在任意处断 */
h1,h2{word-break:keep-all;overflow-wrap:anywhere}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.ico{width:1em;height:1em;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--gut)*2);margin:0 auto;padding:0 var(--gut)}
.wrap.narrow{max-width:calc(860px + var(--gut)*2)}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px}
.skip:focus{left:8px}
[hidden]{display:none!important}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-weight:600;font-size:15px;white-space:nowrap;transition:background .25s,color .25s,border-color .25s,transform .25s,box-shadow .25s}
.btn i{display:inline-flex;transition:transform .25s}
.btn:hover i{transform:translateX(4px)}
.btn-brand{background:var(--brand-d);color:#fff;box-shadow:0 8px 24px -10px rgba(7,128,63,.65)}
.btn-brand:hover{background:var(--brand-dd)}
.btn-line{border:1.5px solid var(--line);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--ink)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-white{background:#fff;color:var(--brand-d)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn.wide,.wide{width:100%}
.link-btn{color:inherit;display:inline-flex;align-items:center;gap:6px}
.link-btn:hover{color:var(--brand-d)}
.more{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand-d);font-size:15px}
.more i{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--brand-d);color:#fff;font-size:14px;transition:transform .25s}
.more:hover i{transform:translateX(4px)}
.eyebrow{font-size:14px;font-weight:600;color:var(--brand-d);letter-spacing:.08em;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px}

/* ---------- 页头 ---------- */
.hdr{position:fixed;inset:0 0 auto;z-index:50;height:var(--hdr);background:rgba(255,255,255,.92);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent;transition:background .3s,border-color .3s,color .3s,transform .35s var(--ease)}
.hdr.scrolled{border-color:var(--line)}
.hdr.hide{transform:translateY(-100%)}
.hdr.on-dark:not(.scrolled):not(.open){background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;color:#fff}
.hdr.on-dark:not(.scrolled):not(.open) .logo-txt b{color:#fff}
.hdr.on-dark:not(.scrolled):not(.open) .logo-txt small{color:rgba(255,255,255,.6)}
.hdr.on-dark:not(.scrolled):not(.open) .burger i{background:#fff}
.hdr-in{height:100%;display:flex;align-items:center;gap:40px}
body{padding-top:var(--hdr)}
body.has-hero{padding-top:0}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--brand-hi),var(--brand-d));color:#fff;display:grid;place-items:center;font-weight:700;font-size:21px;box-shadow:0 6px 16px -8px rgba(18,184,90,.9)}
.logo-txt{display:flex;flex-direction:column;line-height:1.2}
.logo-txt b{font-size:19px;color:var(--ink);letter-spacing:.04em}
.logo-txt small{font-size:11px;color:var(--faint);letter-spacing:.06em}
.nav{flex:1}
.nav>ul{display:flex;gap:6px;height:var(--hdr);align-items:center}
.nav>ul>li{height:100%;display:flex;align-items:center;position:relative}
.nav>ul>li.has-mega{position:static}
.nav>ul>li>a{display:flex;align-items:center;gap:4px;padding:8px 14px;font-size:15.5px;font-weight:500;border-radius:999px;transition:color .2s}
.nav>ul>li>a .ico{font-size:13px;opacity:.6;transition:transform .25s}
.nav>ul>li:hover>a .ico,.nav>ul>li:focus-within>a .ico{transform:rotate(180deg)}
.nav>ul>li>a:hover,.nav>ul>li.cur>a{color:var(--brand-d)}
.nav>ul>li.cur>a::after{content:"";position:absolute;left:50%;bottom:14px;width:5px;height:5px;margin-left:-2px;border-radius:50%;background:var(--brand)}
.drop,.mega{position:absolute;top:100%;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s,transform .25s var(--ease),visibility .25s;color:var(--text)}
.has-drop:hover .drop,.has-drop:focus-within .drop,.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:none}
.drop{left:0;min-width:180px;background:#fff;border-radius:16px;box-shadow:0 24px 60px -20px rgba(16,19,24,.25);padding:10px;border:1px solid var(--line)}
.drop a{display:block;padding:9px 14px;border-radius:10px;font-size:14.5px}
.drop a:hover{background:var(--soft);color:var(--brand-d)}
.mega{left:0;right:0;background:#fff;border-top:1px solid var(--line);box-shadow:0 40px 60px -30px rgba(16,19,24,.2)}
.mega-in{display:grid;grid-template-columns:260px 1fr 280px;gap:48px;padding-top:36px;padding-bottom:40px}
.mega-h{font-size:20px;font-weight:600;color:var(--ink);line-height:1.5;margin-bottom:22px}
.mega-list{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}
.mega-list a{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:14px;transition:background .2s}
.mega-list a:hover{background:var(--soft)}
.mega-list a>i{width:40px;height:40px;border-radius:12px;background:var(--brand-l);color:var(--brand-d);display:grid;place-items:center;font-size:19px;flex:none}
.mega-list a span{display:flex;flex-direction:column;line-height:1.4;min-width:0}
.mega-list b{font-size:15px;color:var(--ink);font-weight:600}
.mega-list small{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mega-list a:hover b{color:var(--brand-d)}
.mega-hot{font-style:normal;font-size:11px;font-weight:700;color:#fff;background:#ff6a3d;border-radius:6px;padding:1px 6px;margin-left:auto}
.mega-feature{display:block;border-radius:16px;overflow:hidden;position:relative;color:#fff;min-height:200px}
.mega-feature picture,.mega-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.mega-feature::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(0,0,0,.75))}
.mega-feature span,.mega-feature b{position:absolute;left:20px;right:20px;z-index:1}
.mega-feature span{bottom:52px;font-size:12px;background:var(--brand-d);display:inline-block;width:max-content;padding:2px 10px;border-radius:999px}
.mega-feature b{bottom:18px;font-size:16px;line-height:1.4}
.hdr-act{display:flex;align-items:center;gap:18px;margin-left:auto}
.hdr-tel{display:flex;align-items:center;gap:8px;font-family:var(--num);font-size:17px;font-weight:600;letter-spacing:.02em}
.hdr-tel .ico{color:var(--brand)}
.burger{display:none;width:44px;height:44px;position:relative}
.burger i{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,top .3s}
.burger i:first-child{top:17px}.burger i:last-child{top:25px}
.hdr.open .burger i:first-child{top:21px;transform:rotate(45deg)}
.hdr.open .burger i:last-child{top:21px;transform:rotate(-45deg)}
.drawer{position:fixed;inset:var(--hdr) 0 0;z-index:49;background:#fff;overflow:auto;padding:12px var(--gut) 120px;display:flex;flex-direction:column;justify-content:space-between}
.drawer nav>a,.drawer summary{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);font-size:18px;font-weight:600;color:var(--ink);list-style:none;cursor:pointer}
.drawer summary::-webkit-details-marker{display:none}
.drawer details[open] summary .ico{transform:rotate(180deg)}
.drawer details a{display:block;padding:10px 0 10px 14px;color:var(--muted);font-size:15.5px}
.drawer-foot{display:grid;gap:10px;padding-top:24px}
.drawer-promo{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;align-items:center;padding:14px 16px;margin-top:8px;border-radius:var(--r-sm);background:var(--brand-l)}
.drawer-promo>span{grid-row:span 2;width:38px;height:38px;border-radius:50%;background:#fff;color:var(--brand-d);display:grid;place-items:center;font-size:19px}
.drawer-promo b{font-size:15px;color:var(--ink);line-height:1.4}
.drawer-promo small{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--brand-d);font-weight:600}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:min(100svh,920px);display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:#1b1e22}
.hero-bg,.hero-bg picture,.hero-bg img{position:absolute;inset:0;width:100%;height:100%}
.hero-bg img{object-fit:cover;filter:grayscale(1) contrast(1.05) brightness(.82);transform:scale(1.06);animation:heroZoom 14s var(--ease) forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,12,14,.82) 0%,rgba(10,12,14,.45) 55%,rgba(10,12,14,.15)),linear-gradient(0deg,rgba(10,12,14,.6),transparent 40%)}
.hero-in{position:relative;z-index:1;padding-top:calc(var(--hdr) + 80px);padding-bottom:96px}
.hero-kicker{font-size:15px;letter-spacing:.12em;color:rgba(255,255,255,.75);margin-bottom:22px;display:flex;align-items:center;gap:12px}
.hero-kicker::before{content:"";width:28px;height:2px;background:var(--brand-hi)}
.hero h1{color:#fff;font-size:clamp(40px,6.4vw,84px);line-height:1.12;font-weight:600;letter-spacing:-.01em;margin-bottom:28px}
.hero h1 em{font-style:normal;color:var(--brand-hi)}
.hero-lead{max-width:680px;text-wrap:pretty;font-size:clamp(16px,1.4vw,18.5px);color:rgba(255,255,255,.82);margin-bottom:38px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.hero-cue{display:inline-flex;align-items:center;gap:10px;margin-top:64px;font-size:14px;color:rgba(255,255,255,.75)}
.hero-cue i{width:28px;height:28px;border-radius:50%;background:var(--brand-d);display:grid;place-items:center;color:#fff;animation:bob 2s infinite}
@keyframes bob{50%{transform:translateY(4px)}}
.hero-in>*{animation:rise .9s var(--ease) both}
.hero-in>*:nth-child(2){animation-delay:.08s}.hero-in>*:nth-child(3){animation-delay:.16s}.hero-in>*:nth-child(4){animation-delay:.24s}.hero-in>*:nth-child(5){animation-delay:.32s}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}

/* 客户条 */
.clients{background:var(--brand-d);color:#fff;overflow:hidden;padding:30px 0}
.clients-track{-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);display:flex;width:max-content;animation:marquee 38s linear infinite}
.clients:hover .clients-track{animation-play-state:paused}
.clients ul{display:flex;gap:72px;padding-right:72px}
.clients li{font-size:22px;font-weight:700;letter-spacing:.06em;white-space:nowrap;opacity:.92;font-family:var(--num)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 通用区块 ---------- */
.sec{padding:120px 0}
.sec.soft{background:var(--soft)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:56px}
.sec-head h2,.sec h2{font-size:clamp(28px,3.4vw,46px);font-weight:500;letter-spacing:-.005em;line-height:1.28}
.sec-sub{margin-top:16px;color:var(--muted);font-size:16.5px;max-width:620px}
.split-h{display:flex;align-items:baseline;gap:20px;flex-wrap:wrap}
.split-h span{color:var(--brand-d);padding-left:20px;border-left:2px solid var(--brand)}

/* 案例墙 */
.work{padding-top:130px}
.work-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 64px}
.work-col{display:flex;flex-direction:column;gap:72px}
.work-col.offset{padding-top:120px}
.work-head h2{font-size:clamp(34px,4.4vw,60px);font-weight:500;line-height:1.2}
.work-head p{margin-top:22px;color:var(--muted);max-width:460px}
.arrow-ne{display:inline-grid;vertical-align:top;color:var(--brand);font-size:.5em;margin-left:8px;transform:rotate(-45deg)}
.work-all{display:flex;align-items:center;justify-content:space-between;padding:36px 40px;border-radius:var(--r);background:var(--ink);color:#fff;font-size:22px;font-weight:500;transition:background .3s}
.work-all i{width:56px;height:56px;border-radius:50%;background:var(--brand-d);display:grid;place-items:center;font-size:22px;transition:transform .3s}
.work-all:hover{background:var(--brand-d)}
.work-all:hover i{transform:rotate(-45deg);background:#fff;color:var(--brand-d)}

.case-card{display:block}
.case-stage{position:relative;background:var(--tint,#eef1f4);border-radius:var(--r);aspect-ratio:4/3.3;overflow:hidden;display:flex;align-items:flex-end;justify-content:center;padding:40px 9% 0;transition:border-radius .4s}
.case-stage::before{content:"";position:absolute;width:70%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.9),transparent 70%);top:-20%;right:-20%}
.dev-browser{position:relative;width:100%;height:100%;background:#fff;border-radius:12px 12px 0 0;box-shadow:0 30px 60px -24px rgba(16,19,24,.35);overflow:hidden;transition:transform .5s var(--ease)}
.dev-browser .bar{height:30px;display:flex;align-items:center;gap:6px;padding:0 12px;background:#f3f4f6;border-bottom:1px solid #e8eaee;position:relative;z-index:1}
.dev-browser .bar i{width:9px;height:9px;border-radius:50%;background:#ff5f57}
.dev-browser .bar i:nth-child(2){background:#febc2e}.dev-browser .bar i:nth-child(3){background:#28c840}
.dev-browser .bar span{margin:0 auto;font-size:11px;color:var(--faint);background:#fff;border-radius:6px;padding:0 28px;line-height:18px}
.dev-phone{position:relative;width:46%;height:92%;border-radius:30px 30px 0 0;background:#111;padding:9px 9px 0;box-shadow:0 30px 60px -24px rgba(16,19,24,.45);transition:transform .5s var(--ease)}
.dev-phone .scroller{border-radius:22px 22px 0 0}
.scroller{height:100%;overflow:hidden;position:relative}
.dev-browser .scroller{height:calc(100% - 30px)}
.scroller img{width:100%;transition:transform 5s cubic-bezier(.45,0,.55,1)}
.case-card:hover .scroller img{transform:translateY(calc(-100% + var(--sh,400px)))}
.case-card:hover .dev-browser,.case-card:hover .dev-phone{transform:translateY(-8px)}
.case-meta{padding:22px 4px 0}
.case-cat{font-size:13.5px;color:var(--muted)}
.case-meta h3{font-size:clamp(18px,1.6vw,22px);font-weight:500;margin-top:6px;transition:color .2s}
.case-card:hover h3{color:var(--brand-d)}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:64px 48px}
.case-card.is-hidden{display:none}

/* 三层模型 */
.model{background:linear-gradient(180deg,#fff,var(--soft))}
.model-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:72px;align-items:center}
.model-txt h2{margin-bottom:22px}
.model-tabs{margin-top:48px;display:grid;gap:14px}
.model-tabs>li{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:box-shadow .3s,border-color .3s}
.model-tabs>li.on{border-color:transparent;box-shadow:0 24px 50px -28px rgba(16,19,24,.35)}
.model-tabs button{width:100%;display:flex;align-items:center;gap:16px;padding:22px 26px;text-align:left}
.m-tag{font-size:13px;font-weight:600;color:var(--brand-d);background:var(--brand-l);padding:3px 12px;border-radius:999px;flex:none}
.model-tabs b{font-size:19px;font-weight:500;color:var(--ink);flex:1}
.m-no{font-family:var(--num);font-size:14px;color:var(--faint);flex:none}
.model-tabs>li.on .m-no{color:#fff;background:var(--brand-d);padding:2px 10px;border-radius:999px}
.m-body{padding:0 26px}
.m-body>p:first-child{color:var(--muted)}
.m-body ul{display:grid;gap:8px;margin:14px 0}
.m-body li{display:flex;gap:10px;align-items:flex-start;border:0;font-size:15px}
.m-body li .ico{color:var(--brand);margin-top:5px}
.m-links{display:flex;gap:18px;padding-bottom:24px}
.m-links a{display:inline-flex;align-items:center;gap:4px;font-weight:600;color:var(--brand-d);font-size:14.5px}
.m-body{display:block;max-height:0;overflow:hidden;transition:max-height .5s var(--ease)}
.model-tabs>li.on .m-body{max-height:320px}
.m-bar{position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--brand)}
.model-tabs>li.on .m-bar{animation:mbar var(--cycle,6s) linear forwards}
.model.paused .m-bar{animation:none!important;width:0}
@keyframes mbar{to{width:100%}}
.model-art{position:relative}
.bld{width:100%;height:auto;overflow:visible}
.bld .shadow{fill:rgba(16,19,24,.07)}
.bld .lyr polygon{stroke:#cfd6dd;stroke-width:1;stroke-linejoin:round;transition:fill .6s,stroke .6s}
.bld .lyr .t{fill:#fff}.bld .lyr .l{fill:#eef1f4}.bld .lyr .r{fill:#e1e6eb}
.bld .ln{fill:none;stroke:#cfd6dd;stroke-width:1;transition:stroke .6s}
.bld .ant{stroke:#aab3bd;stroke-width:2;stroke-linecap:round}
.bld .lead{stroke:#c3cad2;stroke-dasharray:3 3}
.bld .dot{fill:#c3cad2;transition:fill .4s}
.bld text{font-size:14px;fill:var(--faint);font-family:var(--font);transition:fill .4s}
.bld .lyr.on .t{fill:#8af0b4}.bld .lyr.on .l{fill:#22c868}.bld .lyr.on .r{fill:#13a653}
.bld .lyr.on polygon{stroke:#0e9a4a}
.bld .lyr.on .ln{stroke:rgba(255,255,255,.55)}
.bld .lyr.on .dot{fill:var(--brand)}
.bld .lyr.on text{fill:var(--ink);font-weight:600}
.bld .lyr.on{animation:float 3.6s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-6px)}}

/* 服务行 */
.svc-rows{border-top:1px solid var(--line)}
.svc-rows a{display:grid;grid-template-columns:70px 300px 1fr 150px 56px;align-items:center;gap:24px;padding:30px 18px;border-bottom:1px solid var(--line);position:relative;transition:background .35s,color .35s,padding .35s}
.svc-rows a:hover{background:var(--ink);color:rgba(255,255,255,.75);border-radius:16px;padding-left:30px;padding-right:30px}
.sr-no{font-family:var(--num);color:var(--faint);font-size:15px}
.sr-name{display:flex;flex-direction:column}
.sr-name b{font-size:23px;font-weight:500;color:var(--ink);transition:color .3s}
.sr-name small{font-size:13px;color:var(--muted)}
.sr-desc{color:var(--muted);font-size:15px;transition:color .3s}
.sr-price{font-family:var(--num);font-size:24px;font-weight:600;color:var(--ink);text-align:right;transition:color .3s;white-space:nowrap}
.sr-price small{font-size:13px;font-weight:400;color:var(--muted);margin:0 2px}
.sr-go{width:48px;height:48px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;font-size:18px;color:var(--ink);transition:all .35s}
.svc-rows a:hover .sr-name b,.svc-rows a:hover .sr-price{color:#fff}
.svc-rows a:hover .sr-desc,.svc-rows a:hover small{color:rgba(255,255,255,.6)}
.svc-rows a:hover .sr-go{background:var(--brand-d);border-color:var(--brand-d);color:#fff;transform:rotate(-45deg)}

/* 为什么 */
.why{background:var(--soft)}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.why-img{position:sticky;top:calc(var(--hdr) + 32px)}
.why-img img{border-radius:var(--r);aspect-ratio:4/4.6;object-fit:cover;width:100%}
.why-stats{position:absolute;left:24px;right:24px;bottom:24px;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-radius:16px;padding:22px 10px}
.why-stats div,.stats-row div{text-align:center;display:flex;flex-direction:column}
.why-stats b,.stats-row b{font-family:var(--num);font-size:32px;color:var(--ink);font-weight:600;line-height:1.2}
.why-stats b small,.stats-row b small{font-size:.55em;color:var(--brand-d);margin-left:2px}
.why-stats div>span,.stats-row div>span{font-size:13px;color:var(--muted)}
.why-txt h2{margin-bottom:40px}
.promises{display:grid;gap:4px}
.promises li{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.promises li>i{width:48px;height:48px;border-radius:14px;background:#fff;color:var(--brand-d);display:grid;place-items:center;font-size:22px;flex:none;box-shadow:0 6px 18px -10px rgba(16,19,24,.2)}
.promises h3{font-size:18px;font-weight:600;margin-bottom:4px}
.promises p{color:var(--muted);font-size:15px}
.promises.grid3{grid-template-columns:repeat(3,1fr);gap:20px}
.promises.grid3 li{flex-direction:column;border:1px solid var(--line);border-radius:var(--r);padding:30px}
.promises.grid3 li>i{background:var(--brand-l);box-shadow:none}

/* 客户的声音 */
.voice-grid{columns:3;column-gap:28px}
.voice-card{break-inside:avoid;margin:0 0 28px;padding:34px;border:1px solid var(--line);border-radius:var(--r);background:#fff;transition:box-shadow .3s,transform .3s}
.voice-card:hover{box-shadow:0 30px 60px -36px rgba(16,19,24,.35);transform:translateY(-4px)}
.voice-card blockquote{margin:0 0 26px;color:var(--text);font-size:15.5px;line-height:1.9}
.voice-card blockquote::before{content:"“";display:block;height:34px;margin-bottom:6px;font:700 60px/1 Georgia,serif;color:var(--brand)}
.voice-card figcaption{display:flex;gap:12px;align-items:center;padding-top:20px;border-top:1px dashed var(--line)}
.v-ava{width:42px;height:42px;border-radius:50%;background:var(--brand-l);color:var(--brand-d);display:grid;place-items:center;font-weight:700;flex:none}
.voice-card figcaption span{display:flex;flex-direction:column;line-height:1.5}
.voice-card figcaption b{font-size:15px;color:var(--ink)}
.voice-card figcaption small{font-size:13px;color:var(--muted)}
.voice-card figcaption a{color:var(--brand-d)}

/* 团队横幅 */
.team-band{position:relative;min-height:560px;display:flex;align-items:center;background:var(--soft);overflow:hidden}
.team-img{position:absolute;inset:0 0 0 42%}
.team-img img{width:100%;height:100%;object-fit:cover;object-position:72% 50%;filter:grayscale(.85)}
.team-img::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,var(--soft),rgba(245,247,246,0) 40%)}
.team-in{position:relative;z-index:2}
.team-band blockquote{margin:0;max-width:560px}
.team-band blockquote p{font-size:clamp(26px,3vw,40px);font-weight:500;color:var(--ink);line-height:1.45}
.team-band em{font-style:normal;color:var(--brand-d);background:linear-gradient(transparent 62%,rgba(47,216,118,.35) 0)}
.team-band footer{margin-top:28px;color:var(--muted)}

/* 流程 */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:p}
.process li{position:relative;padding:30px 28px;border-radius:var(--r);background:#fff;border:1px solid var(--line);transition:border-color .3s,transform .3s}
.process li:hover{border-color:var(--brand);transform:translateY(-4px)}
.p-no{font-family:var(--num);font-size:40px;font-weight:600;color:transparent;-webkit-text-stroke:1.2px var(--brand);line-height:1}
.process h3{font-size:19px;margin:16px 0 4px}
.process em{font-style:normal;font-size:13px;color:var(--brand-d);background:var(--brand-l);padding:1px 10px;border-radius:999px}
.process p{margin-top:12px;font-size:14.5px;color:var(--muted)}
.delivery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.delivery li{display:flex;gap:16px;padding:26px;border-radius:var(--r);background:var(--ink);color:rgba(255,255,255,.65)}
.delivery li>i{width:44px;height:44px;border-radius:12px;background:rgba(47,216,118,.15);color:var(--brand-hi);display:grid;place-items:center;font-size:20px;flex:none}
.delivery h3{color:#fff;font-size:17px;margin-bottom:4px}
.delivery p{font-size:14px}

/* 文章卡 */
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.art-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .3s,transform .3s}
.art-card:hover{box-shadow:0 30px 60px -36px rgba(16,19,24,.4);transform:translateY(-4px)}
.art-img{aspect-ratio:16/9.5;overflow:hidden;background:var(--soft)}
.art-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.art-card:hover .art-img img,.art-lead:hover .art-img img{transform:scale(1.05)}
.art-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.art-cat{font-size:13px;color:var(--brand-d);font-weight:600}
.art-body h3{font-size:19px;font-weight:600;margin:8px 0 10px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-body p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-go{margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink)}
.art-go i{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--brand-d);color:#fff;font-size:12px;transition:transform .25s}
.art-card:hover .art-go i,.art-lead:hover .art-go i{transform:translateX(4px)}
.art-lead{display:grid;grid-template-columns:1.25fr 1fr;border-radius:var(--r);overflow:hidden;background:var(--ink);color:rgba(255,255,255,.7);margin-bottom:28px}
.art-lead .art-img{aspect-ratio:auto;min-height:340px}
.art-lead .art-body{padding:48px;justify-content:center}
.art-lead h2{color:#fff;font-size:clamp(22px,2.4vw,32px);font-weight:500;margin:12px 0 16px;line-height:1.4}
.art-lead .art-cat{color:var(--brand-hi)}
.art-lead .art-body p{color:rgba(255,255,255,.72)}
.art-lead .art-go{color:#fff;margin-top:28px}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:400px 1fr;gap:80px;align-items:start}
.faq-side{position:sticky;top:calc(var(--hdr) + 32px)}
.ask-card{margin-top:32px;padding:26px;border-radius:var(--r);background:var(--soft);display:grid;gap:14px}
.ask-tel{display:flex;align-items:center;gap:10px;font-family:var(--num);font-size:26px;font-weight:600;color:var(--ink)}
.ask-tel .ico{color:var(--brand)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 0;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{font-size:18px;font-weight:500;transition:color .2s}
.faq summary:hover h3{color:var(--brand-d)}
.faq summary i{width:36px;height:36px;border-radius:50%;background:var(--soft);display:grid;place-items:center;flex:none;transition:transform .3s,background .3s,color .3s}
.faq details[open] summary i{transform:rotate(180deg);background:var(--brand-d);color:#fff}
.faq details p{padding:0 56px 26px 0;color:var(--muted);max-width:34em}

/* 讨论会 CTA */
.cta-talk{position:relative;text-align:center;padding:110px 0 120px;overflow:hidden;background:radial-gradient(ellipse 60% 70% at 50% 120%,rgba(47,216,118,.35),transparent 70%),#fff}
.cta-talk h2{font-size:clamp(28px,3.6vw,48px);font-weight:500}
.cta-talk p{margin:16px auto 44px;color:var(--muted);max-width:560px}
.cta-orb{width:132px;height:132px;border-radius:50%;margin:0 auto;display:grid;place-items:center;background:var(--brand-d);color:#fff;font-weight:600;font-size:17px;line-height:1.4;position:relative;transition:transform .35s var(--ease),background .3s}
.cta-orb::before,.cta-orb::after{content:"";position:absolute;inset:-14px;border-radius:50%;border:1.5px solid rgba(18,184,90,.35);animation:pulse 2.6s infinite}
.cta-orb::after{animation-delay:1.3s}
.cta-orb:hover{transform:scale(1.06);background:var(--brand-dd)}
@keyframes pulse{from{transform:scale(.9);opacity:1}to{transform:scale(1.35);opacity:0}}

/* ---------- 页脚 ---------- */
.ftr{background:var(--soft);padding:80px 0 30px;border-top:1px solid var(--line)}
.ftr-top{display:grid;grid-template-columns:1.3fr .6fr .9fr 1fr;gap:48px}
.ftr-brand p{margin-top:20px;color:var(--muted);font-size:14px;max-width:340px}
.ftr-big{display:flex;flex-direction:column}
.ftr-big a{font-size:28px;font-weight:500;color:var(--ink);line-height:1.6;transition:color .2s,transform .2s;width:max-content}
.ftr-big a:hover{color:var(--brand-d);transform:translateX(6px)}
.ftr h3{font-size:14px;color:var(--faint);font-weight:500;margin-bottom:16px;letter-spacing:.06em}
.ftr-col li{margin-bottom:8px}
.ftr-col a{font-size:15px;color:var(--text)}
.ftr-col a:hover,.ftr-contact a:hover{color:var(--brand-d)}
.ftr-tel{display:block;font-family:var(--num);font-size:30px;font-weight:600;color:var(--ink);line-height:1.2}
.ftr-contact p{font-size:14px;color:var(--muted);margin-top:8px;display:flex;align-items:center;gap:6px}
.ftr-contact p a{display:inline-flex;align-items:center;gap:6px}
.ftr-bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:64px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--faint)}
.ftr-bot a{margin-left:16px}
.ftr-bot p:first-child a{margin:0}
.ftr-bot a:hover{color:var(--ink)}

/* 浮动栏 / 手机底栏 / 资料条 */
.rail{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;gap:10px}
.rail>a,.rail>button{width:64px;padding:12px 0;border-radius:999px;background:#fff;box-shadow:0 10px 30px -12px rgba(16,19,24,.3);display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;line-height:1.3;text-align:center;color:var(--text);transition:background .2s,color .2s}
.rail>a:first-child{background:var(--brand-d);color:#fff}
.rail .ico{font-size:22px}
.rail>a:hover,.rail>button:hover{background:var(--brand-dd);color:#fff}
.rail .to-top{height:56px;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}
.rail .to-top.show{opacity:1;pointer-events:auto}
.mbar{display:none}
.promo{position:fixed;left:0;right:0;bottom:16px;z-index:45;pointer-events:none;animation:rise .6s var(--ease)}
.promo-in{max-width:880px;pointer-events:auto;display:flex;align-items:center;gap:16px;background:var(--brand-d);color:#fff;border-radius:999px;padding:10px 12px 10px 14px;box-shadow:0 20px 40px -18px rgba(10,138,67,.8)}
.promo-ico{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:20px;flex:none}
.promo p{flex:1;font-size:15px;font-weight:500}
.promo-x{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;opacity:.8}
.promo-x:hover{background:rgba(255,255,255,.2);opacity:1}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:100;background:rgba(10,12,14,.55);backdrop-filter:blur(4px);display:grid;place-items:center;padding:20px;animation:fade .25s}
@keyframes fade{from{opacity:0}}
.modal-box{position:relative;width:100%;max-width:520px;max-height:calc(100svh - 40px);overflow:auto;background:#fff;border-radius:24px;padding:40px;animation:rise .35s var(--ease)}
.modal-box.sm{max-width:400px;text-align:center}
.modal-box h2{font-size:26px;font-weight:600}
.modal-sub{color:var(--muted);font-size:14.5px;margin:8px 0 24px}
.modal-x{position:absolute;right:16px;top:16px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--soft);font-size:18px}
.modal-x:hover{background:var(--line)}
.wx-ico{width:64px;height:64px;border-radius:50%;background:#e8f8ee;color:#07c160;display:inline-grid;place-items:center;font-size:32px;margin-bottom:14px}
.wx-id{font-family:var(--num);font-size:32px;font-weight:600;color:var(--ink);background:var(--soft);border-radius:14px;padding:12px;margin-bottom:16px;letter-spacing:.06em;user-select:all}
.modal-box.sm .btn+.btn{margin-top:10px}

/* 表单 */
.lead-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.modal .lead-form,.side-form .lead-form{grid-template-columns:1fr}
.fld{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--muted)}
.fld.wide{grid-column:1/-1}
.fld em{color:#e5484d;font-style:normal}
.fld input,.fld select,.fld textarea{width:100%;font:inherit;font-size:15.5px;color:var(--ink);background:var(--soft);border:1.5px solid transparent;border-radius:12px;padding:12px 14px;transition:border-color .2s,background .2s;resize:vertical}
.fld select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236a717c' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:36px}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-color:var(--brand);background:#fff}
.fld.err input{border-color:#e5484d;background:#fff5f5}
.lead-form .btn{grid-column:1/-1;margin-top:4px}
.form-note{font-size:12.5px;line-height:1.6;color:var(--faint);display:flex;align-items:flex-start;gap:6px;grid-column:1/-1}
.form-note .ico{margin-top:.25em}
.form-note a{color:var(--muted);text-decoration:underline}
.form-msg{grid-column:1/-1;font-size:14px;font-weight:500}
.form-msg:empty{display:none}
.form-msg.ok{color:var(--brand-d);background:var(--brand-l);padding:12px 14px;border-radius:12px}
.form-msg.bad{color:#d4343a}

/* ---------- 内页 ---------- */
.page-hero{padding:72px 0 80px;background:linear-gradient(180deg,var(--soft),#fff)}
.page-hero h1{font-size:clamp(32px,4.4vw,58px);font-weight:500;line-height:1.22;margin-bottom:22px}
.ph-lead{font-size:17.5px;color:var(--muted);max-width:720px}
.crumbs{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--faint);margin-bottom:34px;white-space:nowrap}
.crumbs>a{flex:none}
.crumbs .ico{font-size:12px}
.crumbs a:hover{color:var(--brand-d)}
.crumbs span{color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis}
.ph-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.ph-points{display:grid;gap:8px;margin:26px 0 34px}
.ph-points li{display:flex;align-items:center;gap:10px;font-size:15.5px}
.ph-points .ico{color:#fff;background:var(--brand-d);border-radius:50%;padding:3px;font-size:18px}
.ph-img{position:relative}
.ph-img img{border-radius:var(--r);aspect-ratio:5/4;object-fit:cover;width:100%}
.ph-chip{position:absolute;left:-28px;bottom:32px;background:#fff;border-radius:16px;padding:16px 22px;box-shadow:0 24px 50px -24px rgba(16,19,24,.4);display:flex;flex-direction:column}
.ph-chip small{font-size:12.5px;color:var(--muted)}
.ph-chip b{font-family:var(--num);font-size:28px;color:var(--brand-d);line-height:1.2}
.ph-chip b small{font-size:14px}
/* 价格只在套餐里写具体数字，其他地方显示星号，点击弹出表单获取报价 */
button.ph-chip{border:0;font:inherit;text-align:left;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s}
button.ph-chip:hover{transform:translateY(-3px);box-shadow:0 28px 56px -24px rgba(7,128,63,.45)}
.ph-chip em{display:flex;align-items:center;gap:4px;font-style:normal;font-size:13px;font-weight:600;color:var(--brand-d);margin-top:2px}
.ph-chip em .ico{font-size:13px;transition:transform .25s}
button.ph-chip:hover em .ico{transform:translateX(3px)}
.mask{display:inline-block;letter-spacing:.06em;transform:translateY(.3em)}
.price-tip{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:15px}
.price-tip>.ico{color:var(--brand-d)}
.price-tip .link-btn{color:var(--brand-d);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.subnav{position:sticky;top:var(--hdr);z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:top .35s var(--ease)}
.hdr.hide~.subnav,body.hdr-hidden .subnav{top:0}
.subnav-in{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.subnav-in::-webkit-scrollbar{display:none}
.subnav a{flex:none;padding:16px 14px;font-size:15px;color:var(--muted);border-bottom:2px solid transparent}
.subnav a:hover,.subnav a.on{color:var(--ink);border-color:var(--brand)}
.who-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.who-card{padding:36px;border-radius:var(--r);border:1px solid var(--line);transition:border-color .3s,box-shadow .3s}
.who-card:hover{border-color:var(--brand);box-shadow:0 24px 50px -32px rgba(18,184,90,.6)}
.who-no{font-family:var(--num);font-size:15px;color:var(--brand-d);font-weight:600}
.who-card h3{font-size:21px;font-weight:600;margin:14px 0 10px}
.who-card p{color:var(--muted);font-size:15px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat{background:#fff;border-radius:var(--r);padding:32px}
.feat>i{width:52px;height:52px;border-radius:16px;background:var(--brand-l);color:var(--brand-d);display:grid;place-items:center;font-size:24px;margin-bottom:22px}
.feat h3{font-size:19px;margin-bottom:8px}
.feat p{color:var(--muted);font-size:15px}
.ind-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.ind{display:flex;flex-direction:column;align-items:center;gap:8px;padding:26px 10px 20px;border-radius:18px;border:1px solid var(--line);background:#fff;transition:all .3s}
.ind>i{font-size:30px;color:var(--brand-d)}
.ind b{font-size:16px;color:var(--ink);font-weight:600}
.ind small{font-size:12.5px;color:var(--faint);display:flex;align-items:center;gap:4px}
.ind:hover{background:var(--ink);border-color:var(--ink)}
.ind:hover b{color:#fff}.ind:hover small,.ind:hover>i{color:var(--brand-hi)}
.note{display:flex;gap:18px;align-items:flex-start;margin-top:28px;padding:24px 28px;border-radius:18px;background:var(--brand-l)}
.note>.ico{font-size:26px;color:var(--brand-d);margin-top:2px}
.note b{color:var(--ink)}
.note p{color:var(--text);font-size:15px;margin-top:4px}
.note a{color:var(--brand-d);font-weight:600;margin-left:6px}
.four{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.four-i{padding:32px 28px;border-radius:var(--r);background:var(--soft)}
.four-i b{font-family:var(--num);font-size:44px;color:var(--brand-d);line-height:1}
.four-i h3{font-size:21px;margin:18px 0 8px}
.four-i p{font-size:15px;color:var(--muted)}
.langs{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:40px}
.langs li{padding:18px;border-radius:16px;border:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.langs b{font-size:18px;color:var(--ink);font-weight:600}
.langs small{font-size:12.5px;color:var(--muted)}
.langs li.rtl{background:var(--brand-l);border-color:transparent;text-align:right}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
.tbl{width:100%;border-collapse:collapse;font-size:15px;min-width:620px}
.tbl caption{text-align:left;padding:20px 24px 0;font-weight:600;color:var(--ink);font-size:17px}
.tbl th,.tbl td{padding:18px 24px;text-align:left;border-bottom:1px solid var(--line)}
.tbl thead th{color:var(--muted);font-weight:500;font-size:14px;background:var(--soft)}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{color:var(--ink);font-weight:500}
.tbl .ico{color:var(--brand);font-size:20px}
.chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:24px}
.chips span{color:var(--muted);font-size:14px}
.chips em{font-style:normal;font-size:13.5px;padding:5px 14px;border-radius:999px;background:var(--soft);color:var(--text)}
.seo-cmp{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}
.seo-col{padding:38px;border-radius:var(--r);border:1px solid var(--line)}
.seo-col h3{font-size:24px;font-weight:600;display:flex;align-items:center;gap:12px;margin-bottom:24px}
.seo-col h3 em{font-style:normal;font-size:13px;font-weight:600;padding:3px 12px;border-radius:999px;background:var(--brand-l);color:var(--brand-d)}
.seo-col ul{display:grid;gap:14px}
.seo-col li{display:flex;gap:12px}
.seo-col li .ico{color:var(--brand);margin-top:5px}
.seo-col li div{display:flex;flex-direction:column}
.seo-col li b{color:var(--ink);font-weight:500}
.seo-col li small{color:var(--muted);font-size:13.5px}
.seo-col.deep{background:var(--ink);border-color:var(--ink);color:rgba(255,255,255,.7)}
.seo-col.deep h3,.seo-col.deep li b{color:#fff}
.seo-col.deep h3 em{background:rgba(47,216,118,.15);color:var(--brand-hi)}
.seo-col.deep p{margin:28px 0 22px;font-size:14px}
.pkgs{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.pkgs.n2{grid-template-columns:repeat(2,1fr);max-width:860px}
.pkg{position:relative;background:#fff;border-radius:var(--r);padding:38px 34px;border:1.5px solid transparent;display:flex;flex-direction:column}
.pkg.hot{border-color:var(--brand);box-shadow:0 30px 60px -36px rgba(18,184,90,.7)}
.pkg-hot{position:absolute;top:-13px;left:34px;background:var(--brand-d);color:#fff;font-size:12.5px;font-weight:600;padding:3px 14px;border-radius:999px}
.pkg h3{font-size:22px}
.pkg-for{color:var(--muted);font-size:14px;margin-top:4px}
.pkg-price{margin:22px 0;font-family:var(--num);color:var(--ink);display:flex;align-items:baseline;gap:4px}
.pkg-price b{font-size:44px;line-height:1}
.pkg-price small{font-size:15px;color:var(--muted)}
.pkg ul{display:grid;gap:10px;margin-bottom:30px;flex:1}
.pkg li{display:flex;gap:10px;font-size:15px}
.pkg li .ico{color:var(--brand);margin-top:5px}
.pkg-note{display:flex;gap:10px;align-items:flex-start;margin-top:28px;color:var(--muted);font-size:14px}
.pkg-note .ico{color:var(--brand);margin-top:4px}
.side-form{margin-top:32px;padding:28px;border-radius:var(--r);background:var(--soft)}
.side-form h3{font-size:19px;margin-bottom:4px}
.side-form .sub{color:var(--muted);font-size:14px;margin-bottom:16px}
.side-form .lead-form{margin-top:14px}
.svc-other{padding-top:80px}
.svc-other h2{font-size:24px!important;margin-bottom:24px}
.other-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.other-list a{display:flex;align-items:center;gap:14px;padding:20px 22px;border-radius:16px;border:1px solid var(--line);transition:all .25s}
.other-list a>i{font-size:22px;color:var(--brand-d)}
.other-list b{flex:1;font-weight:500;color:var(--ink)}
.other-list a:hover{border-color:var(--brand);background:var(--brand-l)}

.svc-cards{display:grid;gap:28px}
.svc-card{display:grid;grid-template-columns:1fr 1.1fr;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#fff}
.svc-card:nth-child(even){grid-template-columns:1.1fr 1fr}
.svc-card:nth-child(even) .svc-card-img{order:2}
.svc-card-img{overflow:hidden}
.svc-card-img img{width:100%;height:100%;object-fit:cover;min-height:340px;transition:transform .8s var(--ease)}
.svc-card:hover .svc-card-img img{transform:scale(1.04)}
.svc-card-body{padding:48px;display:flex;flex-direction:column;gap:10px}
.svc-card h2{font-size:30px!important}
.svc-card h2 a:hover{color:var(--brand-d)}
.svc-tag{color:var(--brand-d);font-size:14px;font-weight:600}
.svc-card-body>p:not(.svc-tag){color:var(--muted)}
.svc-card ul{display:flex;flex-wrap:wrap;gap:8px 20px;margin:8px 0}
.svc-card li{display:flex;align-items:center;gap:6px;font-size:14.5px}
.svc-card li .ico{color:var(--brand)}
.svc-card-ft{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
.svc-card-ft .sr-price{text-align:left}

.filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:48px}
.filter button,.filter a{display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border-radius:999px;border:1.5px solid var(--line);font-size:15px;transition:all .2s}
.filter small{font-family:var(--num);font-size:12px;color:var(--faint)}
.filter button:hover,.filter a:hover{border-color:var(--ink)}
.filter [aria-selected=true],.filter [aria-current=page]{background:var(--ink);border-color:var(--ink);color:#fff}
.filter [aria-selected=true] small,.filter [aria-current=page] small{color:var(--brand-hi)}

.case-hero{padding-bottom:40px}
.case-facts{display:grid;grid-template-columns:repeat(4,max-content);gap:12px 56px;margin:36px 0 0}
.case-facts div{display:flex;flex-direction:column}
.case-facts dt{font-size:13px;color:var(--faint)}
.case-facts dd{margin:0;font-size:17px;font-weight:500;color:var(--ink)}
.case-show{padding-top:20px;padding-bottom:80px}
.case-stage.xl{aspect-ratio:auto;padding:72px 12% 0;max-height:none;align-items:flex-start}
.dev-browser.static,.dev-phone.static{height:auto;max-height:980px;overflow:hidden;transform:none}
.dev-phone.static{width:340px}
.dev-phone.static img{border-radius:22px 22px 0 0}
.case-body{display:grid;grid-template-columns:1fr 360px;gap:72px;align-items:start}
.case-body h2{margin-bottom:28px}
.case-points{display:grid;gap:12px}
.case-points li{display:flex;gap:18px;align-items:center;padding:22px 26px;border-radius:16px;background:var(--soft);font-size:17px;color:var(--ink)}
.case-points span{font-family:var(--num);color:var(--brand-d);font-weight:600}
.case-photo{margin-top:28px}
.case-photo img{border-radius:var(--r);width:100%}
.case-side{position:sticky;top:calc(var(--hdr) + 32px)}
.side-card{padding:30px;border-radius:var(--r);border:1px solid var(--line);display:grid;gap:12px}
.side-card h3{font-size:17px}
.side-card .chips{margin:0 0 14px}
.side-card>p{color:var(--muted);font-size:14.5px}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-top:40px;padding-bottom:40px}
.pn a{display:flex;flex-direction:column;gap:6px;padding:24px 28px;border-radius:18px;border:1px solid var(--line);transition:border-color .2s}
.pn a:hover{border-color:var(--brand)}
.pn a.nx{text-align:right;align-items:flex-end}
.pn small{display:flex;align-items:center;gap:4px;color:var(--faint);font-size:13px}
.pn b{font-weight:500;color:var(--ink)}
.pn.in-post{padding:40px 0 0}

.post-hero h1{font-size:clamp(28px,3.6vw,46px)}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 22px;color:var(--faint);font-size:14px}
.post-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:72px;align-items:start;padding-bottom:100px}
.post-cover img{border-radius:var(--r);width:100%;aspect-ratio:16/8.5;object-fit:cover}
.post-intro{font-size:19px;color:var(--ink);line-height:1.85;margin:36px 0 12px;padding-left:20px;border-left:3px solid var(--brand)}
.prose{font-size:17px;line-height:1.95;color:var(--text)}
.post-intro,.prose>p,.prose>ul,.prose>ol{max-width:34em}
.prose h2{font-size:26px!important;font-weight:600;margin:48px 0 16px;scroll-margin-top:calc(var(--hdr) + 24px)}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 20px;display:grid;gap:8px}
.prose ul li{position:relative;padding-left:22px}
.prose ul li::before{content:"";position:absolute;left:4px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.prose ol{counter-reset:o}
.prose ol li{position:relative;padding-left:30px;counter-increment:o}
.prose ol li::before{content:counter(o);position:absolute;left:0;top:.3em;width:20px;height:20px;border-radius:50%;background:var(--brand-l);color:var(--brand-d);font-size:12px;display:grid;place-items:center;font-weight:700}
.prose b,.prose strong{color:var(--ink)}
.prose a{color:var(--brand-d);text-decoration:underline}
.prose table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--soft)}
.post-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:48px;padding:30px 32px;border-radius:var(--r);background:var(--ink);color:rgba(255,255,255,.7)}
.post-cta b{color:#fff;font-size:19px}
.post-side{position:sticky;top:calc(var(--hdr) + 24px);display:grid;gap:20px}
.post-side .side-form{margin:0}
.side-promo{display:grid;gap:6px;padding:22px 24px;border-radius:var(--r);background:var(--brand-d);color:#fff}
.side-promo span{display:flex;align-items:center;gap:6px;font-size:13px}
.side-promo b{font-size:17px;line-height:1.45;color:#fff}
.side-promo small{display:flex;align-items:center;gap:4px;font-size:13.5px;font-weight:600}
.side-promo:hover{background:var(--brand-dd)}
.toc{padding:24px 26px;border-radius:var(--r);border:1px solid var(--line)}
.toc h3,.side-links h3{font-size:15px;margin-bottom:12px}
.toc ol{display:grid;gap:4px;counter-reset:t}
.toc a{display:block;font-size:14.5px;color:var(--muted);padding:4px 0 4px 14px;border-left:2px solid var(--line);transition:all .2s}
.toc a:hover,.toc a.on{color:var(--brand-d);border-color:var(--brand)}
.side-links{padding:24px 26px;border-radius:var(--r);border:1px solid var(--line)}
.side-links a{display:flex;justify-content:space-between;align-items:center;padding:8px 0;font-size:14.5px;border-bottom:1px dashed var(--line)}
.side-links a:last-child{border:0}
.side-links a .ico{color:var(--faint);font-size:13px}
.side-links a:hover{color:var(--brand-d)}
.pager{display:flex;justify-content:center;gap:8px;margin-top:56px}
.pager a,.pager span{min-width:44px;height:44px;padding:0 14px;border-radius:999px;border:1.5px solid var(--line);display:inline-flex;align-items:center;justify-content:center;gap:4px}
.pager [aria-current]{background:var(--ink);color:#fff;border-color:var(--ink)}

.about-photo img{border-radius:var(--r);width:100%;aspect-ratio:21/9;object-fit:cover}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stats-row>div{padding:20px;border-right:1px solid var(--line)}
.stats-row>div:last-child{border:0}
.stats-row b{font-size:56px}
.about-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:80px}
.about-txt p{font-size:17px;margin-bottom:18px;line-height:1.95}
.about-txt b{color:var(--ink)}

.contact-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:64px;align-items:start}
.contact-form{padding:44px;border-radius:24px;border:1px solid var(--line)}
.contact-form h2{font-size:28px!important;font-weight:600!important}
.contact-form .lead-form{margin-top:28px}
.contact-info{display:grid;gap:14px}
.ci{display:flex;gap:16px;padding:22px 24px;border-radius:18px;background:var(--soft)}
.ci>span{width:46px;height:46px;border-radius:14px;background:#fff;color:var(--brand-d);display:grid;place-items:center;font-size:21px;flex:none}
.ci small{display:block;font-size:13px;color:var(--faint)}
.ci b{font-size:18px;color:var(--ink);font-weight:600;word-break:break-all}
.ci a b{font-family:var(--num)}
.ci p{font-size:13.5px;color:var(--muted);margin-top:2px}
.ci .link-btn{color:var(--brand-d);font-weight:600}
.ci-steps{padding:26px;border-radius:18px;background:var(--ink);color:rgba(255,255,255,.7)}
.ci-steps h3{color:#fff;font-size:17px;margin-bottom:14px}
.ci-steps ol{display:grid;gap:10px;counter-reset:c}
.ci-steps li{counter-increment:c;display:flex;gap:12px;font-size:14.5px}
.ci-steps li::before{content:counter(c);width:22px;height:22px;border-radius:50%;background:var(--brand-d);color:#fff;font-size:12px;display:grid;place-items:center;flex:none;margin-top:2px}
.nf{text-align:center;padding:120px 0}
.nf .ph-lead{margin:0 auto 36px}
.nf .hero-btns{justify-content:center}
.nf-code{font-family:var(--num);font-size:140px;font-weight:700;line-height:1;color:transparent;-webkit-text-stroke:2px var(--brand)}

/* 出场动效 */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1680px){.rail{right:12px}}
@media (max-width:1560px){.rail{display:none}}
@media (max-width:1200px){
  .nav>ul>li>a{padding:8px 10px}
  .hdr-tel{display:none}
  .svc-rows a{grid-template-columns:56px 240px 1fr 130px 48px}
  .mega-in{grid-template-columns:1fr 2fr}
  .mega-feature{display:none}
  .ind-grid,.langs{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1024px){
  :root{--hdr:64px}
  .nav,.hdr-act .btn{display:none}
  .burger{display:block}
  .sec{padding:84px 0}
  .work-grid{grid-template-columns:1fr;gap:56px}
  .work-col.offset{padding-top:0}
  .work-col{gap:56px}
  .model-grid,.why-grid,.faq-grid,.ph-grid,.case-body,.post-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:48px}
  .model-art{order:-1;max-width:560px;margin:0 auto}
  .why-img{position:relative;top:0}
  .faq-side,.case-side,.post-side{position:static}
  .post-side .toc{display:none}  /* 侧栏挪到正文后面了，目录放在文末没有用 */
  .svc-rows a{grid-template-columns:44px 1fr auto 44px;gap:16px}
  .sr-desc{display:none}
  .process{grid-template-columns:repeat(2,1fr)}
  .delivery,.feat-grid,.who-grid,.promises.grid3,.other-list,.four{grid-template-columns:repeat(2,1fr)}
  .voice-grid{columns:2}
  .art-grid{grid-template-columns:repeat(2,1fr)}
  .art-lead{grid-template-columns:1fr}
  .team-img{inset:0}
  .team-img::before{background:rgba(245,247,246,.82)}
  .ftr-top{grid-template-columns:1fr 1fr}
  .seo-cmp,.svc-card,.svc-card:nth-child(even){grid-template-columns:1fr}
  .svc-card:nth-child(even) .svc-card-img{order:0}
  .svc-card-img img{min-height:0;aspect-ratio:16/9}
  .ph-chip{left:16px}
}
@media (max-width:720px){
  :root{--gut:16px;--r:16px}
  body{font-size:15.5px;padding-bottom:64px}
  .sec{padding:64px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:36px}
  .hero{min-height:640px}
  .hero-in{padding-bottom:64px}
  .hero-cue{margin-top:40px}
  .hero-btns .btn{flex:1}
  .clients{padding:20px 0}
  .clients li{font-size:17px}
  .clients ul{gap:44px;padding-right:44px}
  .case-grid,.process,.delivery,.feat-grid,.who-grid,.promises.grid3,.other-list,.four,.art-grid,.pkgs,.pkgs.n2{grid-template-columns:1fr}
  .case-stage{padding:28px 7% 0}
  .work-all{padding:24px;font-size:18px}
  .work-all i{width:44px;height:44px}
  .model-tabs button{padding:18px}
  .m-body{padding:0 18px}
  .model-tabs b{font-size:16.5px}
  .svc-rows a{grid-template-columns:1fr auto;padding:22px 4px}
  .svc-rows a:hover{padding-left:16px;padding-right:16px}
  .sr-no,.sr-go{display:none}
  .sr-name b{font-size:19px}
  .sr-price{font-size:19px}
  .why-stats{position:static;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:14px;background:#fff}
  .voice-grid{columns:1}
  .voice-card{padding:26px}
  .team-band{min-height:440px}
  .ind-grid,.langs{grid-template-columns:repeat(2,1fr)}
  .faq summary h3{font-size:16.5px}
  .faq details p{padding-right:0}
  .cta-talk{padding:72px 0 84px}
  .cta-orb{width:112px;height:112px}
  .ftr{padding:56px 0 24px}
  .ftr-top{grid-template-columns:1fr;gap:36px}
  .ftr-big{flex-direction:row;flex-wrap:wrap;gap:4px 22px}
  .ftr-big a{font-size:22px}
  .ftr-bot{flex-direction:column;gap:8px}
  .ftr-bot a{margin:0 16px 0 0}
  .mbar{display:grid;grid-template-columns:1fr 1fr 1.6fr;position:fixed;left:0;right:0;bottom:0;z-index:46;height:60px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px -12px rgba(0,0,0,.2)}
  .mbar>*{display:flex;align-items:center;justify-content:center;gap:6px;font-size:14px;color:var(--ink)}
  .mbar .ico{font-size:18px;color:var(--brand-d)}
  .mbar .go{background:var(--brand-d);color:#fff;font-weight:600}
  .mbar .go .ico{color:#fff}
  .hero-lead br{display:none}
  .promo{display:none}  /* 手机上已有底栏，资料入口改放在菜单和文章侧栏 */
  .bld text{font-size:26px}
  .bld .d{display:none}
  .modal{align-items:end;padding:0}
  .modal-box{border-radius:22px 22px 0 0;padding:32px 20px calc(24px + env(safe-area-inset-bottom));max-height:92svh}
  .lead-form{grid-template-columns:1fr}
  .page-hero{padding:44px 0 52px}
  .crumbs{margin-bottom:22px}
  .ph-lead{font-size:16px}
  .case-facts{grid-template-columns:1fr 1fr;gap:16px}
  .case-stage.xl{padding:32px 5% 0}
  .dev-phone.static{width:76%}
  .pn{grid-template-columns:1fr}
  .pn a.nx{text-align:left;align-items:flex-start}
  .post-cta{flex-direction:column;align-items:flex-start;padding:24px}
  .prose{font-size:16px}
  .stats-row{grid-template-columns:1fr 1fr}
  .stats-row>div{border:0}
  .stats-row b{font-size:40px}
  .contact-form{padding:24px 18px}
  .svc-card-body{padding:28px 22px}
  .art-lead .art-body{padding:28px 22px}
  .art-lead .art-img{min-height:200px}
  .nf-code{font-size:96px}
}
.pkg-price b.txt{font-family:var(--font);font-size:32px;font-weight:600}
.art-img picture,.svc-card-img picture,.team-img picture,.mega-feature picture{height:100%}
.faq-side h2{font-size:clamp(26px,2.8vw,40px)}
.post-hero h1{max-width:900px}