@charset "utf-8";
/* 田飞科技 · 站点样式（黑白灰 + 悬停苔绿 #8FA88A） */

:root{
  --ink:#0F0F10; --ink2:#333336; --text:#5C5C60; --muted:#9A9A9E;
  --line:#E6E6E6; --line2:#EFEFEF; --bg:#FFFFFF; --bg2:#F6F6F6; --dark:#111112;
  --hover:#8FA88A; --w:1200px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  background:var(--bg); color:var(--text); font-size:15px; line-height:1.85;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s;}
a:hover{color:var(--hover);}
ul,ol{list-style:none;}
h1,h2,h3,h4{color:var(--ink);font-weight:600;letter-spacing:-0.02em;line-height:1.35;}
.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px;}
.kicker{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);}
.num{font-variant-numeric:tabular-nums;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 26px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-size:14px;letter-spacing:.04em;transition:all .25s;}
.btn:hover{background:var(--hover);border-color:var(--hover);color:#fff;}
.btn.ghost{background:transparent;color:var(--ink);}
.btn.ghost:hover{background:var(--hover);border-color:var(--hover);color:#fff;}
.btn.light{background:#fff;border-color:#fff;color:var(--ink);}
.btn.light:hover{background:var(--hover);border-color:var(--hover);color:#fff;}
.btn.line-w{background:transparent;border-color:rgba(255,255,255,.65);color:#fff;}
.btn.line-w:hover{background:var(--hover);border-color:var(--hover);color:#fff;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);}
.hd{height:84px;display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;align-items:baseline;gap:10px;}
.logo b{font-size:23px;color:var(--ink);letter-spacing:.04em;}
.logo em{font-style:normal;font-size:11px;letter-spacing:.26em;color:var(--muted);}
.nav{display:flex;align-items:center;gap:34px;}
.nav a{font-size:14px;color:var(--ink2);position:relative;padding:4px 0;}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--hover);transition:width .3s;}
.nav a:hover::after,.nav a.is-active::after{width:100%;}
.nav a.is-active{color:var(--ink);}
.hd-side{display:flex;align-items:center;gap:18px;}
.hd-tel{font-size:13px;color:var(--ink2);}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;cursor:pointer;position:relative;}
.menu-toggle span{position:absolute;left:12px;width:18px;height:1px;background:var(--ink);}
.menu-toggle span:nth-child(1){top:16px;}
.menu-toggle span:nth-child(2){top:21px;}
.menu-toggle span:nth-child(3){top:26px;}
.m-nav{display:none;border-top:1px solid var(--line);background:#fff;}
.m-nav a{display:block;padding:15px 32px;border-bottom:1px solid var(--line2);color:var(--ink2);}
.m-nav.is-open{display:block;}

/* 首页大图 */
.hero{position:relative;height:min(76vh,720px);min-height:520px;overflow:hidden;background:#1a1a1a;}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(0,0,0,.22) 0%,rgba(0,0,0,.26) 40%,rgba(0,0,0,.78) 100%),
  linear-gradient(100deg,rgba(0,0,0,.68) 0%,rgba(0,0,0,.34) 38%,rgba(0,0,0,0) 66%);}
.hero__in{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:72px;}
.hero__tag{display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.18em;color:rgba(255,255,255,.8);margin-bottom:24px;}
.hero__tag::before{content:"";width:34px;height:1px;background:rgba(255,255,255,.6);}
.hero h1{color:#fff;font-size:clamp(32px,4.2vw,54px);line-height:1.22;letter-spacing:-0.03em;}
.hero p{margin-top:20px;font-size:14px;color:rgba(255,255,255,.75);letter-spacing:.05em;}
.hero__btns{display:flex;gap:14px;margin-top:36px;}
.hero__in h1,.hero__in p,.hero__tag{text-shadow:0 2px 24px rgba(0,0,0,.35);}

/* 数据条 */
.stats{border-bottom:1px solid var(--line);}
.stats__in{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:44px 0 40px 28px;border-left:1px solid var(--line2);}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{display:block;font-size:38px;color:var(--ink);font-weight:600;letter-spacing:-0.03em;line-height:1.1;}
.stat b small{font-size:15px;font-weight:400;color:var(--ink2);margin-left:4px;}
.stat span{display:block;margin-top:10px;font-size:13px;color:var(--muted);}

/* 通用区块 */
.sec{padding:96px 0;}
.sec--gray{background:var(--bg2);}
.sec--dark{background:var(--dark);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:46px;}
.sec-head h2{font-size:32px;margin-top:14px;}
.sec-head .more{font-size:13px;color:var(--ink2);border-bottom:1px solid var(--ink2);padding-bottom:3px;white-space:nowrap;}
.sec-head .more:hover{color:var(--hover);border-color:var(--hover);}

/* 服务卡 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);transition:border-color .3s,transform .3s;}
.card:hover{border-color:var(--hover);transform:translateY(-3px);}
.card__ph{position:relative;overflow:hidden;aspect-ratio:4/3;background:#EDEDED;}
.card__ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.card:hover .card__ph img{transform:scale(1.04);}
.card__bd{padding:24px 22px 26px;display:flex;flex-direction:column;flex:1;}
.card__bd h3{font-size:17px;}
.card__idx{margin-top:8px;font-size:10px;letter-spacing:.2em;color:var(--muted);}
.card__bd p{margin-top:14px;font-size:13px;line-height:1.85;flex:1;}
.card__more{margin-top:20px;font-size:12px;color:var(--ink2);letter-spacing:.06em;}
.card:hover .card__more{color:var(--hover);}
.card__meta{display:flex;gap:8px;font-size:11px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-bottom:10px;}

/* 优势（深色） */
.why{display:grid;grid-template-columns:0.85fr 1.15fr;gap:72px;color:rgba(255,255,255,.62);}
.why h2{color:#fff;font-size:32px;margin-top:14px;}
.why .lead{margin-top:22px;font-size:14px;line-height:2;color:rgba(255,255,255,.55);max-width:30em;}
.why .kicker{color:rgba(255,255,255,.4);}
.why__list{display:grid;grid-template-columns:1fr 1fr;}
.why__item{padding:30px 28px 34px;border-top:1px solid rgba(255,255,255,.14);}
.why__item:nth-child(odd){border-right:1px solid rgba(255,255,255,.14);padding-left:0;}
.why__item b{display:block;font-size:10px;letter-spacing:.24em;color:rgba(255,255,255,.34);margin-bottom:12px;}
.why__item h3{color:#fff;font-size:17px;}
.why__item p{margin-top:10px;font-size:13px;color:rgba(255,255,255,.5);}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);}
.step{position:relative;padding-right:26px;}
.step::before{content:"";position:absolute;top:6px;left:0;right:0;height:1px;background:var(--line);}
.step em{position:relative;display:block;font-style:normal;font-size:11px;letter-spacing:.18em;color:var(--muted);background:#fff;padding-right:12px;width:max-content;margin-bottom:24px;}
.step em::before{content:"";position:absolute;left:0;top:50%;width:7px;height:7px;margin-top:-3.5px;background:var(--ink);}
.step em span{padding-left:18px;}
.step h3{font-size:16px;}
.step p{margin-top:8px;font-size:13px;}

/* CTA */
.cta{padding:110px 0;text-align:center;border-top:1px solid var(--line);}
.cta h2{font-size:clamp(26px,3vw,40px);}
.cta p{margin-top:18px;font-size:14px;}
.cta__btns{display:flex;justify-content:center;gap:14px;margin-top:36px;}

/* 页脚 */
.site-footer{background:var(--bg2);border-top:1px solid var(--line);}
.ft{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:48px;padding:68px 0 54px;}
.ft__desc{margin-top:18px;font-size:13px;line-height:2;max-width:26em;}
.ft h4{font-size:12px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-bottom:18px;font-weight:400;}
.ft li{margin-bottom:11px;font-size:13.5px;color:var(--ink2);}
.ft__tel{font-size:20px;color:var(--ink);font-weight:600;letter-spacing:.02em;}
.ft-bar{border-top:1px solid var(--line);padding:22px 0 30px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted);flex-wrap:wrap;}

/* 内页头图 */
.page-hd{padding:56px 0 44px;background:var(--bg2);border-bottom:1px solid var(--line);}
.crumb{font-size:12px;color:var(--muted);letter-spacing:.04em;margin-bottom:18px;}
.crumb a:hover{color:var(--hover);}
.crumb span{margin:0 8px;color:#C9C9CC;}
.page-hd h1{font-size:34px;}
.page-hd .lead{margin-top:14px;font-size:14px;color:var(--text);max-width:46em;}

/* 分页 */
.pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:56px;flex-wrap:wrap;}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--line);font-size:13px;color:var(--ink2);}
.pager a:hover{border-color:var(--hover);color:var(--hover);}
.pager .active,.pager .current{border-color:var(--ink);background:var(--ink);color:#fff;}
.pager .disabled{color:#C4C4C8;}

/* 文章正文 */
.art{padding:72px 0 96px;}
.art__hd{max-width:820px;margin:0 auto 36px;text-align:center;}
.art__hd h1{font-size:34px;line-height:1.4;}
.art__meta{margin-top:16px;font-size:12px;color:var(--muted);letter-spacing:.06em;}
.art__body{max-width:820px;margin:0 auto;font-size:15.5px;line-height:2;color:#3F3F42;}
.art__body p{margin:0 0 20px;}
.art__body h2{font-size:22px;margin:44px 0 18px;padding-left:14px;border-left:3px solid var(--ink);}
.art__body h3{font-size:18px;margin:34px 0 14px;}
.art__body ul,.art__body ol{margin:0 0 20px;padding-left:22px;}
.art__body ul li{list-style:disc;margin-bottom:8px;}
.art__body ol li{list-style:decimal;margin-bottom:8px;}
.art__body img{margin:26px auto;border:1px solid var(--line);}
.art__body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;}
.art__body th,.art__body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.art__body th{background:var(--bg2);color:var(--ink);font-weight:600;}
.art__body blockquote{margin:24px 0;padding:18px 22px;background:var(--bg2);border-left:3px solid var(--hover);color:var(--ink2);}
.art__foot{max-width:820px;margin:56px auto 0;padding-top:28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;font-size:13px;flex-wrap:wrap;}
.art__foot a:hover{color:var(--hover);}

/* 单页 */
.single{padding:64px 0 96px;}
.single__body{max-width:820px;margin:0 auto;font-size:15.5px;line-height:2;color:#3F3F42;}
.single__body h2{font-size:22px;margin:40px 0 18px;}
.single__body h3{font-size:18px;margin:30px 0 12px;}
.single__body p{margin-bottom:18px;}
.single__body img{margin:24px auto;}

/* 联系我们 */
.contact{display:grid;grid-template-columns:1fr 1.15fr;gap:80px;padding:72px 0 96px;}
.contact h2{font-size:22px;margin-bottom:26px;}
.contact__item{padding:22px 0;border-bottom:1px solid var(--line);}
.contact__item dt{font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase;margin-bottom:8px;}
.contact__item dd{font-size:16px;color:var(--ink);line-height:1.7;}
.contact__item dd.big{font-size:26px;font-weight:600;letter-spacing:.01em;}
.form__row{margin-bottom:18px;}
.form__row label{display:block;font-size:12px;color:var(--muted);letter-spacing:.1em;margin-bottom:8px;}
.input,.textarea{width:100%;border:1px solid var(--line);background:#fff;padding:13px 14px;font-size:14px;color:var(--ink);font-family:inherit;transition:border-color .25s;}
.input:focus,.textarea:focus{outline:none;border-color:var(--hover);}
.textarea{min-height:132px;resize:vertical;}
.form__note{margin-top:14px;font-size:12px;color:var(--muted);}

/* 响应式 */
@media (max-width:1080px){
  .why{grid-template-columns:1fr;gap:44px;}
  .ft{grid-template-columns:1fr 1fr;gap:36px;}
  .contact{grid-template-columns:1fr;gap:44px;}
}
@media (max-width:900px){
  .wrap{padding:0 20px;}
  .nav,.hd-tel{display:none;}
  .menu-toggle{display:block;}
  .hd{height:66px;}
  .hero{height:auto;min-height:0;padding:0;}
  .hero__in{padding:150px 0 56px;}
  .hero h1{font-size:30px;}
  .hero p{font-size:13px;}
  .hero__btns{flex-direction:column;align-items:stretch;gap:10px;margin-top:30px;}
  .hero__btns .btn{width:100%;}
  .stats__in{grid-template-columns:1fr 1fr;}
  .stat{padding:28px 0 26px 20px;}
  .stat:nth-child(odd){border-left:0;padding-left:0;}
  .stat:nth-child(n+3){border-top:1px solid var(--line2);}
  .stat b{font-size:30px;}
  .sec{padding:56px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:30px;}
  .sec-head h2{font-size:24px;}
  .grid-3{grid-template-columns:1fr;gap:16px;}
  .why__list{grid-template-columns:1fr;}
  .why__item{padding:26px 0 28px;border-right:0;}
  .why h2{font-size:24px;}
  .flow{grid-template-columns:1fr;gap:26px;}
  .step{padding-right:0;}
  .step::before{display:none;}
  .step em{margin-bottom:12px;}
  .cta{padding:64px 0;}
  .cta__btns{flex-direction:column;}
  .ft{grid-template-columns:1fr;padding:48px 0 36px;}
  .ft-bar{flex-direction:column;gap:8px;}
  .page-hd{padding:40px 0 32px;}
  .page-hd h1{font-size:26px;}
  .art{padding:48px 0 64px;}
  .art__hd h1,.single__hd h1{font-size:24px;}
  .art__body,.single__body{font-size:15px;}
  .contact{padding:48px 0 64px;}
}

/* ===== 单页/文章正文补充排版 ===== */
.single__body ul,.single__body ol{margin:0 0 20px;padding:0;list-style:none;}
.single__body li{margin-bottom:11px;line-height:1.95;position:relative;padding-left:22px;}
.single__body ul li::before{content:"";position:absolute;left:0;top:.78em;width:5px;height:5px;background:var(--hover);}
.single__body ol{counter-reset:abnum;}
.single__body ol li{counter-increment:abnum;padding-left:34px;}
.single__body ol li::before{content:counter(abnum,decimal-leading-zero);position:absolute;left:0;top:0;font-size:12px;color:var(--muted);letter-spacing:.08em;line-height:2.4;}
.single__body strong{color:var(--ink);font-weight:600;}
.single__body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;}
.single__body th,.single__body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.single__body th{background:var(--bg2);color:var(--ink);font-weight:600;}

/* ===== 关于我们 ===== */
.ab-lead{font-size:17px;line-height:2.1;color:var(--ink2);border-left:3px solid var(--hover);padding-left:22px;margin:0 0 34px;}
.ab-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:36px 0 44px;}
.ab-stat{padding:26px 0 24px 22px;border-left:1px solid var(--line2);}
.ab-stat:first-child{border-left:0;padding-left:0;}
.ab-stat b{display:block;font-size:30px;font-weight:700;color:var(--ink);line-height:1.1;letter-spacing:-.02em;}
.ab-stat span{display:block;margin-top:9px;font-size:12.5px;color:var(--muted);}
.ab-list li strong{color:var(--ink);}

@media (max-width:900px){
  .ab-lead{font-size:16px;padding-left:16px;}
  .ab-stats{grid-template-columns:1fr 1fr;margin:28px 0 34px;}
  .ab-stat{padding:20px 0 18px 16px;}
  .ab-stat:nth-child(odd){border-left:0;padding-left:0;}
  .ab-stat:nth-child(n+3){border-top:1px solid var(--line2);}
  .ab-stat b{font-size:24px;}
}