:root{
  --ink:#131820; --ink-2:#454F5B; --ink-3:#7C8794;
  --ink-warm:#1B1311;
  --line:rgba(19,24,32,.11); --line-2:rgba(19,24,32,.06);
  --paper:#fff; --paper-2:#F7F8FA; --paper-3:#EFF1F4;
  /* 品牌主色取自 LOGO 矢量文件 #FF4338；派生深/浅两档供文字与按钮使用 */
  --ember:#FF4338; --ember-d:#D42A20; --ember-dd:#B92118;
  --ember-2:#FF5A4C; --ember-soft:#FFF0EE;
  --ok:#1F7A4D; --okbg:#EDF7F1;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;font-size:16px;line-height:1.7;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.022em;line-height:1.22}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.sec{padding:88px 0}
.sec--soft{background:var(--paper-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.sec--tight{padding:64px 0}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.nav.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px -22px rgba(19,24,32,.5)}
.nav-in{max-width:var(--max);margin:0 auto;padding:0 28px;height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand svg{width:34px;height:34px;flex:0 0 auto}
.brand-t{display:flex;flex-direction:column;line-height:1.16}
.brand-n{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-s{font-size:9.5px;letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:13.8px;color:var(--ink-2);transition:color .2s;position:relative;white-space:nowrap}
.nav-links a:hover,.nav-links a.on{color:var(--ember-d)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1.5px;background:var(--ember);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-links a:hover::after,.nav-links a.on::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-shop{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--ink-2);padding:8px 8px;border-radius:8px;transition:color .2s,background .2s;white-space:nowrap}
.nav-shop:hover{color:var(--ember-d);background:var(--ember-soft)}
.nav-shop svg{width:12px;height:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14.5px;font-weight:600;padding:12px 22px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .25s,background .25s,color .25s,border-color .25s;font-family:inherit;white-space:nowrap}
.btn-p{background:var(--ink);color:#fff}
.btn-p:hover{background:var(--ember-d);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(255,67,56,.85)}
.btn-e{background:linear-gradient(180deg,#FF5044,var(--ember-d));color:#fff}
.btn-e:hover{background:var(--ember-dd);transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(255,67,56,.8)}
.btn-g{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-g:hover{border-color:var(--ink);background:rgba(19,24,32,.03)}
.btn-w{background:#fff;color:var(--ink)}
.btn-w:hover{background:var(--ember);color:#fff}
.btn-lg{padding:14px 26px;font-size:15px}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:17px;height:1.6px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:17px;height:1.6px;background:var(--ink);transition:.25s}
.burger span::before{top:-5.5px}.burger span::after{top:5.5px}
.mnav{display:none}

/* hero (home) */
.hero{position:relative;overflow:hidden;padding:140px 0 56px;background:
  radial-gradient(760px 420px at 82% 8%,rgba(255,67,56,.12),transparent 62%),
  radial-gradient(620px 420px at 6% 88%,rgba(19,24,32,.045),transparent 68%),#fff}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(19,24,32,.055) 1px,transparent 1px),linear-gradient(rgba(19,24,32,.045) 1px,transparent 1px);
  background-size:86px 86px;
  -webkit-mask-image:radial-gradient(ellipse 78% 62% at 62% 34%,#000 12%,transparent 76%);
  mask-image:radial-gradient(ellipse 78% 62% at 62% 34%,#000 12%,transparent 76%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center}
.hero-in>*,.grid2>*,.grid3>*,.grid4>*,.contact-grid>*,.f-top>*,.biz>*,.band>*,.svc-row>*,.split>*{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.08em;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--ember);box-shadow:0 0 0 3px rgba(255,67,56,.14)}
h1{font-size:clamp(36px,4.9vw,56px);letter-spacing:-.035em;margin:22px 0 0}
h1 em{font-style:normal;color:var(--ember)}
.hero p.sub{margin-top:22px;font-size:17px;color:var(--ink-2);max-width:33em;line-height:1.78}
.hero-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line-2);font-size:13px;color:var(--ink-3)}
.hero-tags span{display:inline-flex;align-items:center;gap:7px}
.hero-tags svg{width:14px;height:14px;stroke:var(--ember);fill:none;stroke-width:1.8}

/* page hero (inner pages) */
.phero{position:relative;padding:126px 0 52px;background:
  radial-gradient(680px 340px at 88% 0%,rgba(255,67,56,.10),transparent 64%),#fff;border-bottom:1px solid var(--line-2)}
.phero .crumbs{font-size:12.5px;color:var(--ink-3);margin-bottom:16px}
.phero .crumbs a:hover{color:var(--ember-d)}
.phero .lb{display:inline-flex;align-items:center;gap:9px;font-size:11.5px;letter-spacing:.16em;color:var(--ember-d);text-transform:uppercase;font-weight:600}
.phero .lb::before{content:"";width:20px;height:1.5px;background:var(--ember)}
.phero h1{font-size:clamp(29px,3.7vw,43px);margin-top:14px;letter-spacing:-.03em}
.phero .lead{margin-top:18px;font-size:16.5px;color:var(--ink-2);max-width:46em;line-height:1.8}
.phero-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.phero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:28px;padding-top:20px;border-top:1px solid var(--line-2);font-size:13px;color:var(--ink-3)}
.phero-meta b{color:var(--ink);font-weight:600}

/* flight panel */
.fc{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;
  box-shadow:0 26px 60px -32px rgba(19,24,32,.34),0 2px 6px rgba(19,24,32,.04)}
.fc-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.fc-top .k{font-size:10.5px;letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--okbg);color:var(--ok)}
.pill i{width:5px;height:5px;border-radius:50%;background:var(--ok)}
.fc-plot{position:relative;height:160px;margin:14px 0 6px;border:1px solid var(--line-2);border-radius:13px;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(19,24,32,.05) 1px,transparent 1px),linear-gradient(rgba(19,24,32,.05) 1px,transparent 1px);
  background-size:24px 24px;background-color:#FBFCFD}
.fc-plot svg{position:absolute;inset:0;width:100%;height:100%}
.fc-rows{border-top:1px solid var(--line-2);margin-top:12px;padding-top:6px}
.fc-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:8.5px 0;border-bottom:1px dashed var(--line-2);font-size:13px}
.fc-row:last-child{border-bottom:0}
.fc-row dt{color:var(--ink-3);flex:0 0 auto}
.fc-row dd{margin:0;font-weight:600;text-align:right;color:var(--ink)}
.fc-note{margin-top:10px;font-size:12px;color:var(--ink-3);line-height:1.6;display:flex;gap:7px}
.fc-note svg{flex:0 0 auto;width:13px;height:13px;margin-top:3px;stroke:var(--ink-3);fill:none;stroke-width:1.7}

/* facts */
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:14px}
.fact{padding:26px 24px;border-right:1px solid var(--line-2)}
.fact:last-child{border-right:0}
.fact b{display:block;font-size:32px;font-weight:700;letter-spacing:-.03em;line-height:1.1}
.fact b span{font-size:14px;font-weight:600;color:var(--ink-3);margin-left:3px;letter-spacing:0}
.fact small{display:block;margin-top:7px;font-size:12.5px;color:var(--ink-3)}

/* section head */
.sh{max-width:660px}
.sh .lb{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.16em;color:var(--ember-d);text-transform:uppercase;font-weight:600}
.sh .lb::before{content:"";width:22px;height:1.5px;background:var(--ember)}
.sh h2{font-size:clamp(24px,3vw,35px);margin-top:14px;letter-spacing:-.03em}
.sh p{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.8}
.sh--center{margin:0 auto;text-align:center}
.sh--center .lb{justify-content:center}
.sh--center .lb::before{display:none}

/* grids */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:40px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:0;align-items:start}

.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;transition:transform .28s,border-color .28s,box-shadow .28s}
.card:hover{transform:translateY(-3px);border-color:rgba(255,67,56,.3);box-shadow:0 22px 46px -30px rgba(19,24,32,.4)}
.card h3{font-size:18px}
.card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.75}
.card .ico{width:40px;height:40px;border-radius:11px;background:var(--ember-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ico svg{width:20px;height:20px;stroke:var(--ember);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* business matrix */
.biz{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px}
.biz-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 26px;transition:transform .3s,border-color .3s,box-shadow .3s;overflow:hidden}
.biz-card:hover{transform:translateY(-4px);border-color:rgba(255,67,56,.35);box-shadow:0 26px 54px -34px rgba(19,24,32,.42)}
.biz-card .top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.biz-card .no{font-size:11.5px;letter-spacing:.14em;color:var(--ink-3);font-weight:600}
.biz-card h3{font-size:20.5px;margin-top:12px;letter-spacing:-.01em}
.biz-card p{margin-top:12px;font-size:14.3px;color:var(--ink-2);line-height:1.75}
.biz-card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.biz-card .tags span{font-size:11.5px;padding:3px 9px;border-radius:5px;background:var(--paper-2);color:var(--ink-2);border:1px solid var(--line-2)}
.biz-card .go{margin-top:auto;padding-top:20px;font-size:13.8px;font-weight:600;color:var(--ember-d);display:inline-flex;align-items:center;gap:6px}
.biz-card .go svg{width:14px;height:14px;transition:transform .25s}
.biz-card:hover .go svg{transform:translateX(3px)}

/* service rows */
.svc{margin-top:36px;border-top:1px solid var(--line)}
.svc-row{display:grid;grid-template-columns:180px 1fr;gap:30px;padding:28px 0;border-bottom:1px solid var(--line)}
.svc-row .k h4{font-size:16.5px}
.svc-row .k .no{display:block;font-size:11.5px;letter-spacing:.14em;color:var(--ember-d);margin-bottom:8px;font-weight:600}
.svc-row p{font-size:14.5px;color:var(--ink-2);line-height:1.78}
.svc-row ul{margin-top:12px;display:grid;gap:7px}
.svc-row li{position:relative;padding-left:15px;font-size:13.8px;color:var(--ink-2);line-height:1.7}
.svc-row li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--ember);opacity:.8}
.svc-row .meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px;font-size:12.5px;color:var(--ink-3)}
.svc-row .meta b{color:var(--ink);font-weight:600}

/* table */
.tbl-wrap{margin-top:32px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line-2);vertical-align:top}
.tbl thead th{background:var(--paper-2);font-size:12.5px;color:var(--ink-2);font-weight:600;letter-spacing:.02em;white-space:nowrap}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl td b{font-weight:600}
.tbl .mono{font-size:13px;color:var(--ink-2)}
.tbl .nw{white-space:nowrap}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:44px;position:relative}
.step{position:relative;padding-top:26px}
.step::before{content:"";position:absolute;top:0;left:0;right:-14px;height:1px;background:var(--line)}
.step::after{content:"";position:absolute;top:-3.5px;left:0;width:8px;height:8px;border-radius:50%;background:#fff;border:1.5px solid var(--ember)}
.step b{display:block;font-size:12px;letter-spacing:.14em;color:var(--ember-d);font-weight:600}
.step h4{font-size:15.5px;margin-top:9px}
.step p{font-size:12.8px;color:var(--ink-3);margin-top:7px;line-height:1.68}
.steps--4{grid-template-columns:repeat(4,1fr)}

/* course cards */
.course{display:flex;flex-direction:column;padding:26px 24px 22px}
.course .hd{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.course .num{font-size:11.5px;letter-spacing:.14em;color:var(--ember-d);font-weight:600}
.tag{font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:6px;background:var(--paper-3);color:var(--ink-2);white-space:nowrap}
.tag.hot{background:var(--ember-soft);color:#C9271E}
.course dl{margin:18px 0 0;border-top:1px solid var(--line-2)}
.course dl div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line-2);font-size:13.5px}
.course dt{color:var(--ink-3)}
.course dd{margin:0;font-weight:600}
.course ul{margin:16px 0 0;display:grid;gap:8px}
.course li{position:relative;padding-left:16px;font-size:13.5px;color:var(--ink-2);line-height:1.65}
.course li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--ember);opacity:.8}
.course .foot{margin-top:auto;padding-top:20px}

/* field record card */
.field-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 24px 60px -40px rgba(19,24,32,.4)}
.field-card .fh{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;border-bottom:1px solid var(--line-2);background:linear-gradient(180deg,#fff,#FCFCFD)}
.field-card .fh .t{font-size:13.5px;font-weight:700}
.field-card .fh .t small{display:block;font-weight:400;font-size:11.5px;color:var(--ink-3);letter-spacing:.1em;margin-top:3px;text-transform:uppercase}
.rows{padding:6px 22px 10px}
.row{display:grid;grid-template-columns:104px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--line-2);font-size:14px}
.row:last-child{border-bottom:0}
.row .k{color:var(--ink-3);font-size:13px}
.row .v{font-weight:600;color:var(--ink);line-height:1.65}
.row .v.mono{font-size:13px;font-weight:500}

/* team */
.member{padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px;transition:transform .28s,border-color .28s}
.member:hover{transform:translateY(-3px);border-color:rgba(255,67,56,.3)}
.avatar{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;color:#C9271E;background:linear-gradient(145deg,#FFEDE9,#FFD8D1)}
.member h4{font-size:16.5px;margin-top:16px}
.member .role{font-size:13px;color:var(--ink-3);margin-top:5px}
.member .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.member .tags span{font-size:11.5px;padding:3px 9px;border-radius:5px;background:var(--paper-2);color:var(--ink-2);border:1px solid var(--line-2)}

/* list items */
.tlist{margin-top:8px}
.titem{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.titem:first-child{border-top:1px solid var(--line)}
.titem .idx{font-size:12px;color:var(--ember-d);letter-spacing:.08em;padding-top:3px}
.titem h4{font-size:16px}
.titem p{font-size:13.8px;color:var(--ink-2);margin-top:7px;line-height:1.72}

/* faq */
.faq{margin-top:36px;border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
details summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;font-size:15.5px;font-weight:600;transition:color .2s}
details summary::-webkit-details-marker{display:none}
details summary:hover{color:var(--ember-d)}
details summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:1.6px solid var(--ink-3);border-bottom:1.6px solid var(--ink-3);transform:translateY(-70%) rotate(45deg);transition:transform .25s,top .25s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--ember-d)}
details .ans{padding:0 60px 20px 0;font-size:14.5px;color:var(--ink-2);line-height:1.8}
details .ans strong{color:var(--ink)}

/* band */
.band{background:var(--ink-warm);color:#fff;border-radius:22px;padding:44px 44px;display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;margin-top:56px}
.band h2{font-size:clamp(21px,2.5vw,29px);color:#fff;letter-spacing:-.02em}
.band p{color:rgba(255,255,255,.66);margin-top:14px;font-size:14.3px;line-height:1.8}
.band .acts{display:flex;flex-direction:column;gap:10px}
.band .btn{width:100%}

/* contact */
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start}
.cinfo{margin-top:32px;display:grid;gap:2px}
.cinfo .ci{display:flex;gap:15px;padding:16px 0;border-top:1px solid var(--line-2)}
.cinfo .ci svg{width:17px;height:17px;flex:0 0 auto;margin-top:4px;stroke:var(--ember);fill:none;stroke-width:1.7}
.cinfo .ci b{display:block;font-size:13.5px;color:var(--ink);font-weight:600}
.cinfo .ci span{display:block;font-size:13.8px;color:var(--ink-2);margin-top:3px;line-height:1.7}
.form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 26px 60px -40px rgba(19,24,32,.4)}
.form h3{font-size:19px}
.form .fhint{font-size:13px;color:var(--ink-3);margin-top:7px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.fld{display:flex;flex-direction:column;gap:7px}
.fld.full{grid-column:1/-1}
.fld label{font-size:12.5px;color:var(--ink-2);font-weight:600}
.fld input,.fld select,.fld textarea{font-family:inherit;font-size:14px;color:var(--ink);background:var(--paper-2);border:1px solid var(--line-2);border-radius:10px;padding:11px 13px;transition:border-color .2s,background .2s;width:100%}
.fld textarea{resize:vertical;min-height:88px}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:rgba(255,67,56,.55);background:#fff;box-shadow:0 0 0 3px rgba(255,67,56,.08)}
.form .btn{margin-top:20px;width:100%}
.form .legal{font-size:11.5px;color:var(--ink-3);margin-top:12px;text-align:center;line-height:1.6}
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);background:var(--ink);color:#fff;font-size:14px;padding:13px 22px;border-radius:11px;box-shadow:0 20px 40px -18px rgba(19,24,32,.6);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:99}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* 表单提交后的结果卡（静态站无后端，改为复制需求 + 拨号） */
.form-result{display:none;margin-top:16px;padding:16px 18px;border:1px solid rgba(255,67,56,.3);background:var(--ember-soft);border-radius:13px}
.form-result.on{display:block}
.form-result h4{font-size:14.5px;color:#8F1D15}
.form-result p{margin-top:8px;font-size:13px;color:var(--ink-2);line-height:1.7}
.form-result .acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}
.form-result .btn{width:auto;margin-top:0;padding:9px 16px;font-size:13.5px}
.form-result textarea{display:none;margin-top:10px;width:100%;font-family:inherit;font-size:12.5px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:9px;padding:10px;min-height:88px;resize:vertical}
.form-result.show-fallback textarea{display:block}

/* footer */
footer{background:var(--ink-warm);color:#fff;padding:54px 0 26px}
.f-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.f-brand .brand-n{color:#fff;font-size:16.5px}
.f-brand .brand-s{color:rgba(255,255,255,.42)}
.f-brand p{font-size:13px;color:rgba(255,255,255,.62);margin-top:16px;line-height:1.8;max-width:26em}
.f-col h5{margin:0 0 14px;font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.55);text-transform:uppercase;font-weight:600}
.f-col a,.f-col p{display:block;font-size:13.5px;color:rgba(255,255,255,.8);margin-bottom:9px;transition:color .2s}
.f-col a:hover{color:#fff}
.f-bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:rgba(255,255,255,.38)}
.f-bot a{color:rgba(255,255,255,.5)}

/* reveal */
.rv{opacity:0;transform:translateY(16px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* responsive */
@media(max-width:1180px){
  .nav-shop{display:none}
  .nav-links{gap:18px}
  .nav-links a{font-size:13.2px}
}
@media(max-width:1024px){
  .nav-links{display:none}
  .nav-cta .btn{display:none}
  .burger{display:flex}
  .mnav{display:block;position:fixed;top:74px;left:0;right:0;z-index:59;background:#fff;border-bottom:1px solid var(--line);padding:10px 24px 18px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s;box-shadow:0 24px 40px -28px rgba(19,24,32,.5)}
  .mnav.on{transform:none;opacity:1;pointer-events:auto}
  .mnav a{display:block;padding:13px 2px;font-size:15px;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
  .mnav a.on{color:var(--ember-d)}
  .mnav .btn{width:100%;margin-top:14px}
  .hero-in{grid-template-columns:1fr;gap:42px}
  .hero{padding-top:118px}
  .biz{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr 1fr}
  .grid4{grid-template-columns:1fr 1fr}
  .steps,.steps--4{grid-template-columns:1fr 1fr;gap:0 20px}
  .step{border-top:1px solid var(--line);padding-top:18px;padding-bottom:22px}
  .step::before,.step::after{display:none}
  .split,.contact-grid{grid-template-columns:1fr;gap:36px}
  .band{grid-template-columns:1fr;padding:34px}
  .band .acts{flex-direction:row;flex-wrap:wrap}
  .band .btn{width:auto}
  .f-top{grid-template-columns:1fr 1fr}
  .facts{grid-template-columns:1fr 1fr}
  .fact:nth-child(2){border-right:0}
  .fact:nth-child(1),.fact:nth-child(2){border-bottom:1px solid var(--line-2)}
  .svc-row{grid-template-columns:1fr;gap:10px}
}
@media(max-width:760px){
  .wrap{padding:0 20px}
  .nav-in{padding:0 20px;height:66px}
  .mnav{top:66px}
  h1{font-size:clamp(29px,8.4vw,38px)}
  .phero{padding:104px 0 40px}
  .phero-meta{gap:8px 18px;font-size:12.5px}
  .sec{padding:60px 0}
  .grid3,.grid4,.grid2{grid-template-columns:1fr;gap:14px}
  .hero{padding:104px 0 40px}
  .hero-tags{gap:8px 18px;font-size:12.5px}
  .fact{padding:20px 16px}
  .fact b{font-size:26px}
  .row{grid-template-columns:84px 1fr;gap:12px}
  .frow{grid-template-columns:1fr}
  .form{padding:22px}
  .f-top{grid-template-columns:1fr;gap:26px}
  details .ans{padding-right:10px}
  .tbl-wrap{overflow-x:auto}
  table.tbl{min-width:560px}
  .fc-plot{height:150px}
  .fc-row dd,.row .v.mono{overflow-wrap:anywhere}
  .titem{grid-template-columns:46px 1fr;gap:14px}
  .band{padding:26px 22px}
}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation:none!important}
}

/* biz more tile */
.biz-more{border-style:dashed;border-color:rgba(19,24,32,.18);background:linear-gradient(180deg,#fff,#FCFCFD)}
.biz-more:hover{border-color:rgba(255,67,56,.45);border-style:dashed}
.biz-more .no{color:var(--ember-d)}
.biz-more h3{color:var(--ink)}

/* mobile stacked table */
@media(max-width:760px){
  .tbl-wrap{overflow:visible;border-radius:14px}
  table.tbl{min-width:0;display:block}
  .tbl thead{display:none}
  .tbl tbody{display:block}
  .tbl tr{display:block;padding:14px 16px;border-bottom:1px solid var(--line-2)}
  .tbl tr:last-child{border-bottom:0}
  .tbl td{display:grid;grid-template-columns:58px 1fr;gap:10px;border:0;padding:6px 0;font-size:13.8px}
  .tbl td::before{content:attr(data-l);color:var(--ink-3);font-size:12.5px;padding-top:1px}
  .tbl td.nw{white-space:normal}
}

/* 课程卡：同排描述等高，避免右侧表格行错位 */
@media(min-width:1025px){
  .grid3 .course>p{min-height:5.25em}
}

/* ============ 品牌标识（设计稿矢量文件） ============ */
.brand-logo{height:30px;width:auto;display:block;flex:0 0 auto}
.brand-div{width:1px;height:24px;background:var(--line);flex:0 0 auto}
.f-brand .brand-logo{height:40px}
.f-slogan{font-size:14.5px;font-weight:600;color:var(--ember-2);margin-top:18px;line-height:1.5}

/* ============ 品牌主张条 ============ */
.slg-band{background:var(--ink-warm);color:#fff;padding:66px 0;text-align:center;position:relative;overflow:hidden}
.slg-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(760px 320px at 50% 128%,rgba(255,67,56,.30),transparent 72%)}
.slg-band .wrap{position:relative}
.slg-band .t{font-size:clamp(23px,3.3vw,36px);font-weight:700;letter-spacing:.03em;line-height:1.32}
.slg-band .t em{font-style:normal;color:var(--ember-2)}
.slg-band .note{margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.46);letter-spacing:.14em;text-transform:uppercase}

/* 关于页品牌主张 */
.motto{margin-top:22px;padding-left:15px;border-left:3px solid var(--ember);
  font-size:16.5px;font-weight:600;color:var(--ember-d);line-height:1.55}

@media(max-width:760px){
  .brand-logo{height:26px}
  .brand-div{height:20px}
  .f-brand .brand-logo{height:34px}
  .slg-band{padding:52px 0}
  .slg-band .note{font-size:11px;letter-spacing:.1em}
}

/* 关于页标题在窄屏断成两行，避免把“公司”拆开 */
.mb{display:none}
@media(max-width:760px){.mb{display:block}}