/* 行远筑记官网静态页 v2 样式（首页 / 下载 / 关于我们 / 指南 / 404 共用）
   浅色版：暖白底 + 深海军蓝文字 + 工程黄（只用于主按钮和小点缀）+ 得意黑标题 + 淡灰蓝图网格。
   纯 CSS，无 JavaScript。 */
@font-face{font-family:"SmileySans-Oblique";src:url("/fonts/SmileySans-Oblique.woff2") format("woff2");font-display:swap}
:root{
  --bg:#FAF8F4;--bg2:#F4F2ED;--s1:#FFFFFF;--s2:#F5F3EE;--s3:#ECE9E2;
  --line:rgba(20,33,58,.09);--line2:rgba(20,33,58,.15);
  --gold:#F5BD14;--gold-deep:#D9A200;--ink:#8A5A00;--gold-soft:rgba(245,189,20,.15);--gold-line:rgba(170,120,0,.28);
  --on-gold:#1A1200;--fg:#14213A;--dim:#4A586F;--mute:#626D80;--ok:#15803D;--ok-soft:rgba(21,128,61,.09);
  --orange:#C2410C;--danger:#C81E1E;--info:#1D4ED8;
  --display:"SmileySans-Oblique","PingFang SC","Microsoft YaHei",sans-serif;
  --body:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  --mono:"SF Mono","IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:14px;--r-s:10px;--w:1140px;
  --shadow:0 1px 2px rgba(20,33,58,.04),0 14px 34px -20px rgba(20,33,58,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.75 var(--body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--gold);color:var(--on-gold)}
img,svg{display:block;max-width:100%}
a{color:var(--ink);text-decoration:none;transition:color .2s}
a:hover{color:#6B4500}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--fg)}
p{margin:0}
ul,ol{margin:0;padding:0}
strong{color:var(--fg);font-weight:600}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
.ico{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ico-s{width:16px;height:16px}

/* ===== 顶栏 ===== */
.top{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.86);-webkit-backdrop-filter:saturate(160%) blur(14px);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:var(--fg);font:20px/1 var(--display);letter-spacing:.06em}
.logo:hover{color:var(--fg)}
.logo img{width:30px;height:34px}
.nav{display:flex;align-items:center;gap:30px;font-size:15px}
.nav a{color:var(--dim);position:relative}
.nav a:hover,.nav a.on{color:var(--fg)}
.nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:-21px;height:2px;background:var(--gold-deep)}
.nav a.hl{color:var(--ink)}
.top-act{display:flex;align-items:center;gap:10px}
.menu{display:none;position:relative}
.menu summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line2);border-radius:10px;color:var(--fg);background:#fff}
.menu summary::-webkit-details-marker{display:none}
.menu .bars,.menu .bars::before,.menu .bars::after{display:block;width:16px;height:1.6px;background:currentColor;border-radius:2px;position:relative;transition:transform .2s}
.menu .bars::before,.menu .bars::after{content:"";position:absolute;left:0}
.menu .bars::before{top:-5px}.menu .bars::after{top:5px}
.menu[open] .bars{background:transparent}
.menu[open] .bars::before{transform:translateY(5px) rotate(45deg)}
.menu[open] .bars::after{transform:translateY(-5px) rotate(-45deg)}
.menu-panel{position:absolute;right:0;top:52px;width:220px;padding:8px;background:var(--s1);border:1px solid var(--line2);border-radius:var(--r);box-shadow:0 24px 50px -20px rgba(20,33,58,.22)}
.menu-panel a{display:block;padding:11px 14px;border-radius:8px;color:var(--fg);font-size:15px}
.menu-panel a:hover{background:var(--s2)}
.menu-panel a.hl{color:var(--ink)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:12px;font-size:16px;font-weight:600;letter-spacing:.02em;white-space:nowrap;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:linear-gradient(180deg,#FFCA2C 0%,#F2B705 100%);color:var(--on-gold);box-shadow:0 1px 0 rgba(255,255,255,.55) inset,0 0 0 1px rgba(170,120,0,.18),0 10px 22px -12px rgba(170,120,0,.55)}
.btn-gold:hover{color:var(--on-gold);box-shadow:0 1px 0 rgba(255,255,255,.6) inset,0 0 0 1px rgba(170,120,0,.24),0 14px 28px -12px rgba(170,120,0,.6)}
.btn-line{border:1px solid var(--line2);color:var(--fg);background:#fff;box-shadow:0 1px 2px rgba(20,33,58,.05)}
.btn-line:hover{border-color:var(--gold-line);color:var(--fg);background:#FFFCF2}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-lg{height:54px;padding:0 30px;font-size:17px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:500}
.link-arrow .ico{width:16px;height:16px;transition:transform .2s}
.link-arrow:hover .ico{transform:translateX(3px)}

/* ===== 首屏 ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(20,33,58,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,33,58,.05) 1px,transparent 1px),linear-gradient(rgba(20,33,58,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(20,33,58,.022) 1px,transparent 1px);
  background-size:96px 96px,96px 96px,24px 24px,24px 24px;
  -webkit-mask-image:radial-gradient(ellipse 70% 75% at 70% 35%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 75% at 70% 35%,#000 20%,transparent 75%)}
.hero::after{content:"";position:absolute;pointer-events:none;width:900px;height:900px;right:-260px;top:-380px;border-radius:50%;background:radial-gradient(circle closest-side,rgba(255,206,60,.13) 0%,rgba(255,206,60,.05) 45%,rgba(255,206,60,0) 100%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;padding-top:96px;padding-bottom:104px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 10px;border:1px solid var(--gold-line);background:var(--gold-soft);border-radius:999px;color:var(--ink);font-size:13px;letter-spacing:.04em}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(245,189,20,.22)}
.hero h1{margin-top:26px;font:400 58px/1.16 var(--display);letter-spacing:.03em}
.hero h1 .brand{display:block;font-size:22px;letter-spacing:.32em;color:var(--dim);margin-bottom:18px}
.hero h1 .hl{position:relative;color:var(--fg);white-space:nowrap}
.hero h1 .hl::after{content:"";position:absolute;left:2px;right:-4px;bottom:4px;height:14px;background:rgba(255,200,31,.55);transform:skewX(-12deg);z-index:-1}
.hero .lead{margin-top:22px;font-size:19px;color:var(--fg);letter-spacing:.02em}
.hero .desc{margin-top:12px;max-width:540px;color:var(--dim);font-size:15.5px}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.checks{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:30px;list-style:none;color:var(--dim);font-size:14px}
.checks li{display:flex;align-items:center;gap:7px}
.checks .ico{width:15px;height:15px;color:var(--ok);stroke-width:2.6}
.for-who{margin-top:42px;padding-top:22px;border-top:1px solid var(--line);color:var(--mute);font-size:13.5px;letter-spacing:.04em;max-width:540px}
.for-who b{color:var(--dim);font-weight:500}

/* 首屏演示窗 */
.demo{position:relative}
.demo .corner{position:absolute;width:22px;height:22px;border-color:var(--line2);border-style:solid;z-index:2}
.demo .c1{left:-14px;top:-14px;border-width:1.5px 0 0 1.5px}
.demo .c2{right:-14px;bottom:30px;border-width:0 1.5px 1.5px 0}
.win{--bg2:#0E1520;--s2:#1A2432;--line:rgba(148,170,197,.12);--line2:rgba(148,170,197,.22);--fg:#F2F5F9;--dim:#A6B2C3;--mute:#6E7D93;--ink:#E6B422;--orange:#F8931F;--info:#6AA8FF;position:relative;background:linear-gradient(180deg,#17202D,#111822);border:1px solid rgba(20,33,58,.4);border-radius:16px;overflow:hidden;box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 40px 80px -36px rgba(20,33,58,.5),0 0 0 8px rgba(20,33,58,.035)}
.win-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(14,21,32,.9)}
.win-bar i{width:10px;height:10px;border-radius:50%;background:#3a4656}
.win-bar i:nth-child(1){background:#E0564B}.win-bar i:nth-child(2){background:#C49A00}.win-bar i:nth-child(3){background:#3FA86B}
.win-bar span{margin:0 auto;padding:3px 14px;border-radius:6px;background:var(--s2);font:11px/1.6 var(--mono);color:var(--mute);letter-spacing:.08em;transform:translateX(-24px)}
.chat{padding:20px 18px 16px;display:flex;flex-direction:column;gap:14px}
.msg{display:flex;gap:10px;align-items:flex-start}
.msg img{width:28px;height:32px;flex:none}
.bub{padding:10px 14px;border-radius:12px;font-size:13.5px;line-height:1.65;color:var(--dim);background:var(--s2);border:1px solid var(--line);border-top-left-radius:4px;max-width:88%}
.msg.me{justify-content:flex-end}
.msg.me .bub{background:var(--gold);border-color:transparent;color:var(--on-gold);font-weight:500;border-radius:12px;border-top-right-radius:4px}
.typing{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--mute);margin-bottom:8px}
.typing b{display:flex;gap:4px}
.typing b i{width:5px;height:5px;border-radius:50%;background:var(--gold);animation:blink 1.4s infinite}
.typing b i:nth-child(2){animation-delay:.2s}.typing b i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.file{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.file .fn{display:flex;align-items:center;gap:8px;color:var(--fg);font-weight:500;font-size:13.5px}
.file .fn .ico{color:var(--orange);width:18px;height:18px}
.file .fm{margin-top:6px;font:11.5px/1.75 var(--mono);color:var(--mute)}
.file .fm em{font-style:normal;color:var(--info)}
.file .dl{margin-top:8px;display:flex;align-items:center;gap:5px;color:var(--ink);font-size:12px;font-weight:500}
.file .dl .ico{width:14px;height:14px}
.inputbar{display:flex;gap:8px;margin-top:4px;padding-top:14px;border-top:1px solid var(--line)}
.inputbar span{flex:1;padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:var(--s2);color:var(--mute);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.inputbar i{width:36px;height:36px;flex:none;border-radius:9px;background:var(--gold);display:flex;align-items:center;justify-content:center;color:var(--on-gold)}
.inputbar i svg{width:15px;height:15px;fill:currentColor}
.caption{display:flex;justify-content:space-between;margin-top:14px;font:10.5px/1 var(--mono);letter-spacing:.18em;color:var(--mute)}
.caption .live{display:flex;align-items:center;gap:6px}
.caption .live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok)}

/* ===== 区块通用 ===== */
.sec{padding:112px 0;border-bottom:1px solid var(--line);position:relative}
.sec.alt{background:var(--bg2)}
.head{max-width:680px;margin-bottom:56px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:flex;align-items:center;gap:12px;font:12px/1 var(--mono);letter-spacing:.22em;color:var(--mute);margin-bottom:18px}
.head.center .eyebrow{justify-content:center}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--gold-deep);transform:skewX(-20deg)}
.head h2{font:400 38px/1.3 var(--display);letter-spacing:.04em}
.head p{margin-top:14px;color:var(--dim);font-size:16.5px}

.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--shadow);transition:transform .3s,border-color .3s,box-shadow .3s}
.card:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:0 1px 2px rgba(20,33,58,.05),0 24px 48px -24px rgba(20,33,58,.24)}
.card h3{font-size:18px;letter-spacing:.02em}
.card p{margin-top:8px;color:var(--dim);font-size:14.5px;line-height:1.8}
.card .idx{position:absolute;right:24px;top:24px;font:11px/1 var(--mono);letter-spacing:.2em;color:var(--mute)}
.tile{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:var(--gold-soft);color:var(--ink);border:1px solid rgba(170,120,0,.14);margin-bottom:22px}
.tile .ico{width:22px;height:22px}
.tag{display:inline-block;margin-left:8px;padding:1px 8px;border:1px solid var(--gold-line);border-radius:999px;color:var(--ink);font-size:11.5px;font-weight:500;vertical-align:2px;letter-spacing:.04em}

/* 三步 */
.step .no{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px}
.step .no span{font:600 13px/1 var(--mono);letter-spacing:.2em;color:var(--ink)}
.step .no::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--gold-line),transparent);margin-left:14px}
.step .eg{margin-top:20px;padding:12px 14px;border:1px dashed var(--line2);border-radius:10px;font-size:13px;color:var(--dim);background:var(--bg)}
.step .eg .chip{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:8px;background:var(--gold);color:var(--on-gold);font-weight:500}
.step .eg .chip svg{width:12px;height:12px;fill:currentColor}
.step .eg .ok{color:var(--ok);display:flex;align-items:center;gap:8px}
.step .eg .ok .ico{width:15px;height:15px;stroke-width:2.6}
.step .eg .ok small{color:var(--mute);font:11px var(--mono)}
.step .eg .gen{display:flex;align-items:center;gap:8px;color:var(--orange)}
.step .eg .gen i{width:5px;height:5px;border-radius:50%;background:var(--orange);animation:blink 1.4s infinite}
.step .eg .gen i:nth-child(2){animation-delay:.2s}.step .eg .gen i:nth-child(3){animation-delay:.4s}

/* 施工日志对比 */
.compare{max-width:880px;margin:0 auto 28px;display:grid;grid-template-columns:1fr 56px 1fr;align-items:stretch;padding:34px;background:var(--s1);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.compare .lab{display:flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;color:var(--mute);margin-bottom:12px}
.compare .lab i{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--s3);font-style:normal;font-size:11px}
.compare .lab.good{color:var(--ok)}
.compare .lab.good i{background:var(--ok-soft)}
.compare .lab i .ico{width:11px;height:11px;stroke-width:2.8}
.compare .say{padding:18px;border-radius:12px;background:var(--s2);border:1px solid var(--line);color:var(--dim);font-size:15px;height:calc(100% - 32px)}
.compare .pro{padding:18px;border-radius:12px;background:rgba(21,128,61,.05);border:1px solid rgba(21,128,61,.2);color:var(--fg);font-size:15px;line-height:1.85}
.compare .pro b{color:var(--fg);font-weight:600;background:linear-gradient(transparent 62%,rgba(255,200,31,.5) 62%)}
.compare .arr{display:flex;align-items:center;justify-content:center;color:var(--ink)}
.compare .arr .ico{width:22px;height:22px}
.mini .card{padding:26px}
.mini .tile{width:40px;height:40px;border-radius:10px;margin-bottom:16px}
.mini .tile .ico{width:19px;height:19px}
.mini h3{font-size:16.5px}
.center-act{text-align:center;margin-top:40px}

/* 合规 */
.check-card .tile{background:var(--ok-soft);color:var(--ok);border-color:rgba(21,128,61,.16)}
.check-card .tile .ico{stroke-width:2.4}

/* 工具 */
.tools .card{padding:26px}
.tools .wide{grid-row:span 2;display:flex;flex-direction:column}
.tools .wide .wm{margin-top:auto;padding-top:22px}

/* 水印照片示意 */
.wm-photo{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.wm-photo svg{width:100%;height:160px}
.wm-tag{position:absolute;left:10px;bottom:10px;padding:7px 10px;border-radius:6px;background:rgba(20,33,58,.72);border-left:3px solid var(--gold);font:10.5px/1.6 var(--mono);color:#fff}
.wm-tag span{display:block;color:#D5DCE6}

/* 场景 */
.case{display:flex;flex-direction:column;padding:0;overflow:hidden}
.case .thumb{margin:16px 16px 0;border:1px solid var(--line);border-radius:10px;background:var(--bg2);padding:8px}
.case .thumb svg{width:100%;height:96px}
.case .body{display:flex;flex-direction:column;flex:1;padding:20px 22px 24px}
.case .ask{display:flex;gap:10px;padding:12px 14px;border-radius:10px;background:var(--bg);border:1px solid var(--line);color:var(--fg);font-size:14.5px}
.case .ask svg{width:13px;height:13px;margin-top:6px;fill:var(--ink);flex:none}
.case h3{margin-top:auto;padding-top:18px;display:flex;align-items:center;gap:8px;font-size:15px;color:var(--ok);font-weight:500}
.case h3 .ico{width:16px;height:16px;stroke-width:2.6}
.case p{margin-top:6px;font-size:13.5px;color:var(--mute)}

/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.dl-card{display:flex;flex-direction:column;padding:34px}
.dl-card .plat{display:flex;align-items:center;gap:16px}
.dl-card .plat .pi{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--bg);border:1px solid var(--line2);color:var(--fg)}
.dl-card .plat .pi svg{width:26px;height:26px}
.dl-card h3{font-size:21px}
.dl-card .plat p{margin-top:2px;font-size:13.5px;color:var(--mute)}
.dl-card .note{margin-top:18px;color:var(--dim);font-size:14.5px;flex:1}
.dl-card .acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.dl-card .meta{margin-top:16px;font-size:12.5px;color:var(--mute)}
.web-strip{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 30px;border:1px solid var(--line);border-radius:var(--r);background:rgba(255,255,255,.7)}
.web-strip p{color:var(--dim);font-size:15px}
.web-strip strong{margin-right:10px}
.stores{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;list-style:none}
.stores li a,.stores li .na{display:flex;align-items:center;justify-content:space-between;gap:12px;height:100%;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:var(--s1);color:var(--fg);font-size:15px;transition:border-color .2s,background .2s}
.stores li a:hover{border-color:var(--gold-line);background:#FFFCF2;color:var(--fg)}
.stores li a .ico{width:16px;height:16px;color:var(--mute)}
.stores li a:hover .ico{color:var(--ink)}
.stores li small{display:block;color:var(--mute);font-size:12.5px;margin-top:2px}
.stores-inline{margin-top:22px;color:var(--mute);font-size:13.5px;line-height:2}
.stores-inline a{color:var(--dim);border-bottom:1px solid var(--line2)}
.stores-inline a:hover{color:var(--ink)}

/* 常见问题 */
.faq{max-width:920px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{display:grid;grid-template-columns:300px 1fr;gap:32px;padding:28px 4px;border-bottom:1px solid var(--line)}
.faq-item h3{font-size:16.5px;display:flex;gap:12px}
.faq-item h3::before{content:"问";flex:none;font:400 15px/1.6 var(--display);color:var(--ink)}
.faq-item p{color:var(--dim);font-size:15px;line-height:1.85}

/* 指南 */
.guide{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;list-style:none;border-top:1px solid var(--line)}
.guide li{border-bottom:1px solid var(--line)}
.guide a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 2px;color:var(--fg);font-size:16px}
.guide a span{display:flex;gap:16px;align-items:baseline}
.guide a em{font:12px var(--mono);font-style:normal;color:var(--mute);letter-spacing:.1em}
.guide a .ico{width:16px;height:16px;color:var(--mute);transition:transform .2s,color .2s}
.guide a:hover{color:var(--ink)}
.guide a:hover .ico{color:var(--ink);transform:translateX(3px)}

/* 加入我们 */
.join{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.join .head{margin-bottom:0}
.join .facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;list-style:none}
.join .facts li{padding:6px 14px;background:#fff;border:1px solid var(--line2);border-radius:999px;font-size:13.5px;color:var(--dim)}
.join .why{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:18px 28px;list-style:none}
.join .why li{font-size:14px;color:var(--dim);padding-left:16px;position:relative}
.join .why li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border:1.5px solid var(--gold-deep);transform:rotate(45deg)}
.join .why b{display:block;color:var(--fg);font-weight:600;font-size:15px}
.jobs{display:flex;flex-direction:column;gap:16px}
.job{display:block;padding:26px 28px;color:var(--fg)}
.job:hover{color:var(--fg)}
.job .jt{display:flex;align-items:center;justify-content:space-between;gap:12px}
.job h3{font-size:19px}
.job .cnt{font-size:13px;color:var(--ink);border:1px solid var(--gold-line);border-radius:999px;padding:2px 12px;white-space:nowrap}
.job p{margin-top:10px;color:var(--dim);font-size:14.5px}
.job .more{margin-top:14px;color:var(--ink);font-size:14px}
.apply{padding:18px 22px;border:1px dashed var(--line2);border-radius:12px;color:var(--dim);font-size:14px}
.apply b{color:var(--fg);font-family:var(--mono);font-weight:500}

/* 结尾 */
.finale{position:relative;padding:120px 0;text-align:center;overflow:hidden;border-bottom:1px solid var(--line)}
.finale::before{content:"";position:absolute;left:50%;top:50%;width:1100px;height:620px;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(closest-side,rgba(255,214,90,.11),rgba(255,214,90,0));pointer-events:none}
.finale .wrap{position:relative}
.quote{font:400 30px/1.6 var(--display);letter-spacing:.24em;color:var(--fg)}
.quote-src{margin-top:12px;font-size:13px;letter-spacing:.2em;color:var(--mute)}
.quote-note{margin:22px auto 0;max-width:520px;color:var(--dim);font-size:15px}
.finale .rule{width:56px;height:1px;background:var(--gold-line);margin:44px auto}
.finale h2{font:400 34px/1.4 var(--display);letter-spacing:.06em}
.finale .cta{justify-content:center;margin-top:30px}
.finale .sub{margin-top:10px;color:var(--dim);font-size:16px}
.stripe{height:4px;background:repeating-linear-gradient(45deg,rgba(217,162,0,.6) 0 10px,transparent 10px 20px);opacity:.5}

/* ===== 页脚 ===== */
.foot{background:#EFECE5;color:var(--mute);font-size:13.5px;padding:64px 0 40px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.foot .logo{font-size:19px;color:var(--fg)}
.foot-brand p{margin-top:14px;max-width:340px;line-height:1.85}
.foot h4{font-size:13px;color:var(--dim);letter-spacing:.14em;font-weight:500;margin-bottom:14px}
.foot ul{list-style:none}
.foot li{margin:8px 0}
.foot a{color:var(--mute)}
.foot a:hover{color:var(--fg)}
.foot-bot{padding-top:26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;line-height:1.9}
.foot-bot p span{margin-right:18px;display:inline-block}
.foot strong{color:var(--dim);font-weight:500}

/* ===== 子页面（下载 / 关于 / 指南 / 404） ===== */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:84px 0 64px}
.page-hero::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(20,33,58,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(20,33,58,.055) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 60% 90% at 50% 0%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse 60% 90% at 50% 0%,#000 10%,transparent 70%)}
.page-hero::after{content:"";position:absolute;width:640px;height:640px;left:50%;top:-420px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle closest-side,rgba(255,206,60,.16) 0%,rgba(255,206,60,.06) 50%,rgba(255,206,60,0) 100%);pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font:400 44px/1.3 var(--display);letter-spacing:.04em;margin-top:18px}
.page-hero .sub{margin-top:16px;max-width:680px;color:var(--dim);font-size:17px}
.page-hero.center{text-align:center}
.page-hero.center .sub{margin-left:auto;margin-right:auto}
.crumb{font-size:13px;color:var(--mute);letter-spacing:.06em}
.crumb a{color:var(--mute)}
.crumb a:hover{color:var(--fg)}
.page-body{padding:72px 0 104px}
.sub-h{display:flex;align-items:center;gap:12px;font:400 26px/1.4 var(--display);letter-spacing:.04em;margin:0 0 24px}
.sub-h::before{content:"";width:24px;height:2px;background:var(--gold-deep);transform:skewX(-20deg)}
.block{margin-top:72px}
.notes{list-style:none;display:grid;gap:12px}
.notes li{position:relative;padding-left:20px;color:var(--dim);font-size:15px}
.notes li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border:1.5px solid var(--gold-deep);transform:rotate(45deg)}
.hint{margin-top:14px;color:var(--mute);font-size:13.5px}

/* 正文排版（文章 / 关于我们） */
.prose{max-width:760px;margin:0 auto;font-size:16.5px;line-height:1.95;color:#2E3B52}
.prose > *+*{margin-top:1.05em}
.prose h2{margin-top:2.4em;padding-top:.2em;font:400 27px/1.45 var(--display);letter-spacing:.04em;color:var(--fg)}
.prose h2::before{content:"";display:block;width:28px;height:2px;background:var(--gold-deep);transform:skewX(-20deg);margin-bottom:18px}
.prose h3{margin-top:1.8em;font-size:19px;color:var(--fg)}
.prose a{border-bottom:1px solid var(--gold-line)}
.prose ul,.prose ol{padding-left:1.4em}
.prose li{margin:.45em 0}
.prose li::marker{color:var(--ink)}
.prose blockquote{margin:1.4em 0;padding:16px 22px;border-left:2px solid var(--gold);background:var(--s1);border-radius:0 10px 10px 0;color:var(--dim);font-size:15px}
.prose blockquote p{margin:0}
.prose pre{white-space:pre-wrap;background:var(--s1);border:1px solid var(--line);border-radius:12px;padding:20px 22px;font:15px/1.9 var(--body);color:var(--dim)}
.prose table{background:#fff;width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.prose th,.prose td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{background:var(--s2);color:var(--dim);font-weight:500;white-space:nowrap}
.prose tr:last-child th,.prose tr:last-child td{border-bottom:0}
.prose hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.prose em{color:var(--mute)}
.prose .meta{color:var(--mute);font-size:14px}
.prose .note{color:var(--mute);font-size:14.5px}
.prose .sub{color:var(--dim);font-size:17px}
.article-list{display:grid;gap:18px}
.article-list .card h3{font-size:19px}
.article-list .card h3 a{color:var(--fg)}
.article-list .card h3 a:hover{color:var(--ink)}
.article-list .meta{margin-top:14px;font-size:13px;color:var(--mute)}

/* ===== 响应式 ===== */
@media (max-width:1080px){
  .nav{gap:22px}
  .hero .wrap{grid-template-columns:1fr;gap:56px;padding-top:72px;padding-bottom:80px}
  .hero .copy{max-width:640px}
  .demo{max-width:560px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .join{grid-template-columns:1fr;gap:40px}
  .foot-top{grid-template-columns:1fr 1fr 1fr}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:900px){
  .nav{display:none}
  .menu{display:block}
  .g3{grid-template-columns:repeat(2,1fr)}
  .tools .wide{grid-row:auto;grid-column:1/-1}
  .faq-item{grid-template-columns:1fr;gap:10px}
  .stores{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wrap{padding:0 20px}
  .top .wrap{height:58px}
  .logo{font-size:19px}
  .logo img{width:26px;height:30px}
  .top-act .btn-sm{height:36px;padding:0 13px;font-size:13.5px}
  .menu summary{width:36px;height:36px}
  .menu-panel{top:46px}
  .hero .wrap{padding-top:48px;padding-bottom:64px;gap:48px}
  .hero h1{font-size:38px;line-height:1.22;margin-top:22px}
  .hero h1 .brand{font-size:17px;margin-bottom:12px}
  .hero h1 .hl::after{height:9px;bottom:3px}
  .hero .lead{font-size:17px}
  .hero .desc{font-size:15px}
  .cta{flex-direction:column;gap:12px;margin-top:30px}
  .cta .btn{width:100%}
  .checks{gap:8px 18px;font-size:13.5px}
  .for-who{margin-top:32px}
  .demo .corner{display:none}
  .chat{padding:16px 14px 14px}
  .bub{font-size:13px}
  .sec{padding:80px 0}
  .head{margin-bottom:40px}
  .head h2{font-size:29px}
  .head p{font-size:15.5px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .grid{gap:14px}
  .card{padding:24px}
  .compare{grid-template-columns:1fr;padding:22px;gap:6px}
  .compare .arr{transform:rotate(90deg);height:40px}
  .compare .say{height:auto}
  .dl-grid{grid-template-columns:1fr;gap:14px}
  .dl-card{padding:26px}
  .dl-card .acts .btn{width:100%}
  .web-strip{flex-direction:column;align-items:flex-start;padding:22px}
  .web-strip .btn{width:100%}
  .stores{grid-template-columns:1fr 1fr;gap:10px}
  .stores li a,.stores li .na{padding:14px 14px;font-size:14px}
  .faq-item{padding:22px 0}
  .guide{grid-template-columns:1fr}
  .guide a{font-size:15px;padding:18px 0}
  .join .why{grid-template-columns:1fr}
  .job{padding:22px}
  .finale{padding:88px 0}
  .quote{font-size:22px;letter-spacing:.14em}
  .finale h2{font-size:27px}
  .finale .cta .btn{width:100%}
  .foot{padding:48px 0 32px}
  .foot-top{grid-template-columns:1fr 1fr;gap:28px}
  .page-hero{padding:56px 0 44px}
  .page-hero h1{font-size:32px}
  .page-hero .sub{font-size:15.5px}
  .page-body{padding:48px 0 72px}
  .block{margin-top:56px}
  .sub-h{font-size:22px}
  .prose{font-size:16px}
  .prose h2{font-size:23px}
  .prose th{white-space:normal;width:34%}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.bub-file{width:80%}
.narrow{max-width:880px;margin:0 auto}
.more-link{margin-top:28px}
@media (max-width:640px){.hide-m{display:none!important}}

/* v2 迭代：节奏变化 */
h1,h2,.quote-note{text-wrap:balance}
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:80px;align-items:start}
.split .head{margin-bottom:0;position:sticky;top:110px}
.points{list-style:none;border-top:1px solid var(--line)}
.points li{display:grid;grid-template-columns:44px 1fr;gap:6px;padding:26px 0;border-bottom:1px solid var(--line)}
.points .pk{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--ok-soft);color:var(--ok);margin-top:2px}
.points .pk .ico{width:15px;height:15px;stroke-width:2.6}
.points h3{font-size:17.5px}
.points p{margin-top:6px;color:var(--dim);font-size:15px}
.strip-card{grid-column:1/-1;display:grid;grid-template-columns:46px auto 1fr;align-items:center;column-gap:20px;padding:22px 30px}
.strip-card .tile{margin:0}
.strip-card p{margin:0}
@media (max-width:1080px){.split{grid-template-columns:1fr;gap:36px}.split .head{position:static}}
@media (max-width:900px){.strip-card{grid-template-columns:46px 1fr}.strip-card p{grid-column:2}}
@media (max-width:640px){
  .card.ic{display:grid;grid-template-columns:40px 1fr;column-gap:16px;align-items:start;padding:20px}
  .card.ic .tile{grid-row:span 2;width:40px;height:40px;border-radius:10px;margin:0}
  .card.ic .tile .ico{width:19px;height:19px}
  .card.ic h3{font-size:16.5px;padding-right:36px}
  .card.ic p{margin-top:4px;font-size:14px;line-height:1.75}
  .card.ic .idx{top:22px;right:18px}
  .card.ic .wm{grid-column:1/-1}
  .strip-card{grid-template-columns:40px 1fr}
  .strip-card p{grid-column:2}
  .mini .card{padding:20px}
  .step .eg{margin-top:14px}
  .cases{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin:0 -20px;padding:0 20px 8px;scrollbar-width:none}
  .cases::-webkit-scrollbar{display:none}
  .cases .case{flex:0 0 82%;scroll-snap-align:center}
  .points li{grid-template-columns:40px 1fr;padding:20px 0}
  .foot-top{grid-template-columns:1fr 1fr 1fr;gap:24px 12px}
}
/* 子页面补充 */
.h-card{font-size:21px;font-weight:600;line-height:1.35}
.dl-main .dl-card{padding:38px;border-color:var(--line2)}
.dl-main .dl-card .note a{border-bottom:1px solid var(--gold-line)}
.hint-top{margin:-8px 0 22px}
.stores li .na{color:var(--dim);border-style:dashed;background:transparent}
.narrow-wrap{max-width:808px}
.narrow-wrap .note{margin-top:26px;color:var(--mute);font-size:14px}
.hero-narrow{max-width:808px}
.page-hero .meta-line{font-size:14px;color:var(--mute)}
.page-hero .meta-line a{color:var(--dim)}
.links-404{list-style:none;padding:0!important;display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:520px;margin:0 auto!important}
.links-404 li{margin:0!important}
.links-404 a{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--s1);color:var(--fg)!important;border-bottom:1px solid var(--line)!important;text-align:center}
.links-404 a:hover{border-color:var(--gold-line)!important}
.prose-404{text-align:center}
.article-list .card p{margin-top:10px}
@media (max-width:640px){.dl-main .dl-card{padding:26px}.links-404{grid-template-columns:1fr}}
.quick-dl{display:none}
@media (max-width:640px){
  .quick-dl{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px;text-align:left}
  .qd{display:flex;align-items:center;gap:10px;padding:14px 12px;border-radius:12px;background:#fff;color:var(--fg);border:1px solid var(--line2);box-shadow:0 10px 24px -16px rgba(20,33,58,.3)}
  .qd:hover{color:var(--fg)}
  .qd .ico{width:22px;height:22px;color:var(--ink)}
  .qd span{font-size:11.5px;line-height:1.45;opacity:.85}
  .qd b{display:block;font-size:15px;opacity:1}
  .page-hero .quick-dl + *{margin-top:0}
}

.page-hero .sub,.hero .desc,.head p,.card p,.quote-note{text-wrap:pretty}