/* =========================================================
   GSS 阳光金网 — site stylesheet
   Clean, light, product-style UI. No web fonts (system CJK stack)
   so pages load fast inside mainland China.
   ========================================================= */

:root{
  /* brand — logo orange stays #FF6600; darker steps keep text/buttons AA-legible */
  --brand:#FF6600;
  --brand-btn:#C44F00;      /* white text 4.7:1 */
  --brand-btn-hover:#A84300;
  --brand-ink:#B84500;      /* orange text on white 5.4:1 */
  --brand-tint:#FFF4EC;
  --brand-tint-2:#FFE6D3;
  --navy:#0B1F3A;
  --navy-2:#132B4F;

  /* neutrals */
  --ink:#1F1F1F;
  --ink-2:#3C4043;
  --muted:#5F6368;
  --faint:#80868B;
  --line:#E8EAED;
  --line-2:#DADCE0;
  --bg:#FFFFFF;
  --s1:#F8F9FA;
  --s2:#F1F3F4;
  --ok:#188038;
  --ok-tint:#E6F4EA;
  --err:#C5221F;

  --r-xl:28px; --r-lg:20px; --r-md:14px; --r-sm:10px;
  --sh-1:0 1px 2px rgba(60,64,67,.10),0 1px 3px 1px rgba(60,64,67,.06);
  --sh-2:0 1px 3px rgba(60,64,67,.12),0 4px 10px 2px rgba(60,64,67,.07);
  --sh-3:0 10px 32px rgba(60,64,67,.13),0 2px 6px rgba(60,64,67,.06);

  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono",Consolas,Menlo,monospace;
  --maxw:1200px;
  --gutter:24px;
  --header-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;letter-spacing:-.005em;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(196,79,0,.45);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-tint-2)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;font-size:14px}
.skip:focus{top:12px}

/* English pages: Latin-first rhythm */
html[lang="en"] body{line-height:1.6}
html[lang="en"] h1,html[lang="en"] h2{letter-spacing:-.022em}
html[lang="en"] .hero h1{letter-spacing:-.03em;line-height:1.08;font-size:clamp(36px,4.3vw,56px)}
html[lang="en"] .prose p{line-height:1.75}
html[lang="en"] .eyebrow{letter-spacing:.01em}

/* ---------- icons ---------- */
.ico{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ico-sm{width:18px;height:18px}
.badge-ico{width:48px;height:48px;border-radius:14px;background:var(--brand-tint);color:var(--brand-ink);display:grid;place-items:center;flex:none}
.badge-ico.on-white{background:#fff;box-shadow:var(--sh-1)}

/* ---------- buttons & links ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:background-color .15s,box-shadow .15s,border-color .15s,color .15s}
.btn-pri{background:var(--brand-btn);color:#fff}
.btn-pri:hover{background:var(--brand-btn-hover);box-shadow:var(--sh-1)}
.btn-sec{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-sec:hover{background:var(--s1);border-color:var(--faint)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--s2)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn .ico{width:18px;height:18px}
.link{color:var(--brand-ink);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.link:hover{text-decoration:underline;text-underline-offset:3px}
.link .ico{width:16px;height:16px;transition:transform .15s}
.link:hover .ico{transform:translateX(2px)}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);-webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.hdr.is-scrolled{border-bottom-color:var(--line)}
.hdr-in{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand img{height:32px;width:auto}
.brand span{font-size:17px;font-weight:600;color:var(--navy);letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:4px;height:40px;padding:0 14px;white-space:nowrap;border-radius:999px;font-size:15px;color:var(--ink-2);font-weight:500;background:none;border:0;cursor:pointer}
.nav-link:hover,.nav-item.open>.nav-link{background:var(--s2);color:var(--ink)}
.nav-link[aria-current="page"]{color:var(--ink);font-weight:600}
.nav-link .chev{width:14px;height:14px;transition:transform .2s}
.nav-item.open .chev{transform:rotate(180deg)}
.mega{position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,6px);background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-3);border:1px solid var(--line);padding:12px;opacity:0;visibility:hidden;transition:opacity .16s,transform .16s,visibility .16s;width:max-content}
.mega::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.nav-item.open .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega-grid{display:grid;grid-template-columns:repeat(2,300px);gap:4px}
.mega-grid.one{grid-template-columns:340px}
.mega a{display:flex;gap:14px;padding:14px;border-radius:var(--r-md);align-items:flex-start}
.mega a:hover{background:var(--s1)}
.mega a .badge-ico{width:40px;height:40px;border-radius:12px}
.mega a .badge-ico .ico{width:20px;height:20px}
.mega b{display:block;font-size:15px;font-weight:600;line-height:1.4}
.mega small{display:block;font-size:13px;color:var(--muted);line-height:1.5;margin-top:2px}
.mega-foot{border-top:1px solid var(--line);margin-top:8px;padding:12px 14px 4px;display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--muted)}
.hdr-r{display:flex;align-items:center;gap:6px;flex:none;margin-left:auto}
.lang{font-size:14px;color:var(--muted);padding:8px 12px;border-radius:999px}
.lang:hover{background:var(--s2);color:var(--ink)}
.burger{display:none;width:44px;height:44px;border-radius:999px;border:0;background:none;cursor:pointer;place-items:center}
.burger:hover{background:var(--s2)}

/* mobile drawer */
.drawer{position:fixed;inset:var(--header-h) 0 0 0;background:#fff;z-index:59;overflow-y:auto;padding:12px var(--gutter) 40px;transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
.drawer.open{opacity:1;visibility:visible;transform:none}
.drawer details{border-bottom:1px solid var(--line)}
.drawer summary,.drawer>a{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;font-size:17px;font-weight:600;list-style:none;cursor:pointer}
.drawer summary::-webkit-details-marker{display:none}
.drawer>a{border-bottom:1px solid var(--line)}
.drawer details[open] .chev{transform:rotate(180deg)}
.drawer details a{display:block;padding:10px 4px 10px 12px;color:var(--ink-2);font-size:15px}
.drawer details div{padding-bottom:12px}
.drawer .btn{width:100%;margin-top:24px}
body.nav-open{overflow:hidden}

/* ---------- sections ---------- */
.section{padding:112px 0}
.section-sm{padding:72px 0}
.tint{background:var(--s1)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-ink);margin-bottom:14px;letter-spacing:.02em}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand)}
.sh{max-width:760px;margin:0 0 56px}
.sh.center{margin-left:auto;margin-right:auto;text-align:center}
.sh.center .eyebrow{justify-content:center}
.sh h2{font-size:clamp(28px,3.4vw,40px);line-height:1.25;margin-bottom:16px}
.sh p{font-size:18px;color:var(--muted);line-height:1.7}
.sh-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap}
.sh-row .sh{margin:0}
.lede{font-size:19px;line-height:1.75;color:var(--muted)}
.prose p{color:var(--ink-2);font-size:17px;line-height:1.9}
.prose p+p{margin-top:18px}
.prose strong{color:var(--ink);font-weight:600}

.g2>*,.g3>*,.g4>*,.split>*,.svc-row>*,.quote>*,.pg>*,.hero-grid>*,.flow>*{min-width:0}
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.split{display:grid;grid-template-columns:5fr 7fr;gap:72px;align-items:start}
.split.even{grid-template-columns:1fr 1fr}
.sticky{position:sticky;top:calc(var(--header-h) + 32px)}

/* ---------- page hero (inner pages) ---------- */
.phero{padding:56px 0 72px;border-bottom:1px solid var(--line)}
.phero.flush{border-bottom:0;padding-bottom:56px}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:14px;color:var(--muted);margin-bottom:36px}
.crumbs a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:var(--line-2)}
.phero h1{font-size:clamp(34px,4.6vw,56px);line-height:1.18;margin-bottom:20px;max-width:900px}
.phero .lede{max-width:760px}
.phero .acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}
.phero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-2);border-radius:999px;padding:6px 14px;font-size:14px;color:var(--ink-2);background:#fff}
.pill b{font-weight:600;color:var(--ink)}
.pill.brand{background:var(--brand-tint);border-color:transparent;color:var(--brand-ink)}

/* ---------- home hero ---------- */
.hero{padding:88px 0 96px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:999px;padding:6px 16px 6px 8px;font-size:14px;color:var(--ink-2);margin-bottom:28px;background:#fff}
.hero-tag b{background:var(--brand-tint);color:var(--brand-ink);font-weight:600;border-radius:999px;padding:2px 10px;font-size:13px;white-space:nowrap}
.hero h1{font-size:clamp(38px,5.4vw,66px);line-height:1.14;margin-bottom:24px;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--brand-ink)}
.hero .lede{max-width:560px;margin-bottom:36px}
.hero .acts{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{display:flex;gap:20px;flex-wrap:wrap;margin-top:32px;font-size:14px;color:var(--muted)}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.hero-note .ico{width:16px;height:16px;color:var(--ok)}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-3);overflow:hidden}
.panel-h{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--line)}
.panel-h b{font-size:15px;font-weight:600}
.panel-h small{font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px var(--ok-tint)}
.routes{padding:6px 24px 8px}
.route-grp{font-size:12px;font-weight:600;color:var(--faint);letter-spacing:.06em;padding:14px 0 6px}
.route{display:grid;grid-template-columns:1fr auto 84px;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--line);font-size:14px}
.route-grp+.route{border-top:0}
.route .nm{color:var(--ink-2)}
.route .nm small{color:var(--faint);margin-left:6px;font-size:12px}
.route .bw{font-size:12px;color:var(--muted)}
.route .ms{text-align:right;font-weight:600;font-family:var(--mono);font-size:14px;white-space:nowrap}
.bar{height:4px;border-radius:4px;background:var(--s2);margin-top:6px;overflow:hidden;grid-column:1/-1}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#FFB366);border-radius:4px}
.panel-f{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);background:var(--s1)}
.panel-f div{padding:16px 20px}
.panel-f div+div{border-left:1px solid var(--line)}
.panel-f b{display:block;font-size:22px;font-weight:600;line-height:1.2}
.panel-f span{font-size:12px;color:var(--muted)}
.panel-note{font-size:12px;color:var(--faint);padding:12px 24px;border-top:1px solid var(--line)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:36px 28px}
.stat+.stat{border-left:1px solid var(--line)}
.stat b{display:flex;align-items:baseline;gap:2px;font-size:44px;font-weight:600;line-height:1;letter-spacing:-.02em;white-space:nowrap}
.stat b sup,.stat b small{font-size:24px;font-weight:600;color:var(--brand-ink);vertical-align:baseline;top:0}
.stat strong{display:block;font-size:15px;font-weight:600;margin-top:14px}
.stat span{display:block;font-size:14px;color:var(--muted);margin-top:2px}

/* ---------- cards ---------- */
.card{background:var(--s1);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;transition:background-color .2s,box-shadow .2s,transform .2s}
.card.white{background:#fff;box-shadow:var(--sh-1)}
.tint .card{background:#fff}
a.card:hover{background:var(--s2)}
.tint a.card:hover,a.card.white:hover{box-shadow:var(--sh-2);transform:translateY(-2px);background:#fff}
.card h3{font-size:20px;margin:20px 0 8px}
.card p{color:var(--muted);font-size:15px;line-height:1.75}
.card .link{margin-top:auto;padding-top:20px}
.card .k{font-size:13px;font-weight:600;color:var(--brand-ink);font-family:var(--mono)}
.card-num{display:flex;justify-content:space-between;align-items:flex-start}

/* service layer blocks */
.layer{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:40px 0;border-top:1px solid var(--line)}
.layer:last-child{border-bottom:1px solid var(--line)}
.layer-h .k{font-family:var(--mono);font-size:13px;color:var(--brand-ink);font-weight:600}
.layer-h h3{font-size:20px;margin:6px 0 6px}
.layer-h p{font-size:14px;color:var(--muted)}
.svc{display:flex;flex-direction:column;background:var(--s1);border-radius:var(--r-lg);padding:28px;transition:background-color .2s}
.svc:hover{background:var(--s2)}
.svc-top{display:flex;align-items:center;gap:16px}
.svc-top h4{font-size:20px;font-weight:600}
.svc-top small{display:block;font-size:13px;color:var(--muted);font-weight:400}
.svc>p{color:var(--ink-2);font-size:15px;margin:16px 0}
.checks{list-style:none;display:grid;gap:8px}
.checks li{position:relative;padding-left:28px;font-size:15px;color:var(--ink-2);line-height:1.7}
.checks li::before{content:"";position:absolute;left:3px;top:8px;width:12px;height:7px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}
.checks.sm li{font-size:14px;color:var(--muted)}
.svc .link{margin-top:auto;padding-top:20px}
.svc-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.svc-row.three{grid-template-columns:repeat(3,1fr)}

.svc-wide{display:grid;grid-template-columns:1fr 1fr;gap:12px 40px}
.svc-wide .checks{align-self:center}
.sol-card{display:grid;grid-template-columns:1fr 1fr;gap:24px 48px;padding:40px}
.sol-card h3{font-size:24px}
.sol-card .kpis{grid-template-columns:1fr 1fr;align-self:center}
.sol-card .kpi{box-shadow:none;background:var(--s1)}
.tint .sol-card .kpi{background:var(--s1)}
.svc-kpi{justify-content:center}
.svc-kpi .kpis{grid-template-columns:1fr 1fr}
/* ---------- dark band ---------- */
.dark{background:var(--navy);color:#fff}
.dark h2,.dark h3,.dark h4{color:#fff}
.dark .sh p,.dark p{color:#C7D0DD}
.dark .eyebrow{color:#FFB366}
.dark .eyebrow::before{background:#FFB366}
.dark .checks li{color:#DCE3EC}
.dark .checks li::before{border-color:#FFB366}
.dark .btn-sec{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.dark .btn-sec:hover{background:rgba(255,255,255,.08);border-color:#fff}
.map{position:relative;background:var(--navy-2);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-xl);padding:28px}
.map svg{width:100%;height:auto}
.map-legend{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:#C7D0DD;margin-top:16px}
.map-legend span{display:inline-flex;align-items:center;gap:8px}
.map-legend i{width:18px;height:2px;border-radius:2px;background:#FFB366;display:inline-block}
.map-legend i.d{background:repeating-linear-gradient(90deg,#9AA7B8 0 4px,transparent 4px 7px)}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;-webkit-overflow-scrolling:touch}
.tbl{min-width:640px;font-size:15px}
.tbl th,.tbl td{text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6}
.tbl thead th{font-size:13px;font-weight:600;color:var(--muted);background:var(--s1);white-space:nowrap}
.tbl tbody tr:last-child td,.tbl tbody tr:last-child th{border-bottom:0}
.tbl tbody th{font-weight:600;white-space:nowrap}
.tbl td.c,.tbl th.c{text-align:center}
.tbl .hl{background:var(--brand-tint)}
.tbl thead .hl{background:var(--brand-tint-2);color:var(--brand-ink)}
.tbl .mono{font-family:var(--mono);font-size:14px}
.tbl-note{font-size:13px;color:var(--faint);margin-top:12px}

/* ---------- spec list ---------- */
.spec{border-top:1px solid var(--line)}
.spec div{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
.spec dt{font-weight:600;font-size:15px}
.spec dd{margin:0;color:var(--ink-2);font-size:15px;line-height:1.8}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:st}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;position:relative}
.step::before{counter-increment:st;content:"0" counter(st);font-family:var(--mono);font-size:13px;font-weight:600;color:var(--brand-ink);display:block;margin-bottom:28px}
.step h4{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.75}
.steps.five{grid-template-columns:repeat(5,1fr)}
.steps.three{grid-template-columns:repeat(3,1fr)}

/* ---------- metrics / cases ---------- */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;transition:box-shadow .2s,border-color .2s}
.case:hover{box-shadow:var(--sh-2);border-color:transparent}
.tint .case{border-color:transparent;box-shadow:var(--sh-1)}
.case-ind{display:flex;flex-direction:column;gap:2px;font-size:13px;margin-bottom:14px;line-height:1.5}
.case-ind b{color:var(--brand-ink);font-weight:600}
.case-ind span{color:var(--faint)}
.case h3{font-size:19px;line-height:1.45;margin-bottom:12px}
.case p{font-size:14px;color:var(--muted);line-height:1.8}
.case .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.tag{font-size:12px;color:var(--ink-2);background:var(--s2);border-radius:999px;padding:3px 10px}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:auto;padding-top:24px}
.metrics>div{border-top:1px solid var(--line);padding-top:16px}
.metrics b{display:block;font-size:clamp(19px,1.9vw,24px);font-weight:600;line-height:1.25;letter-spacing:-.01em;white-space:nowrap}
.metrics span{font-size:13px;color:var(--muted)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.chip{border:1px solid var(--line-2);background:#fff;border-radius:999px;padding:8px 16px;font-size:14px;color:var(--ink-2);cursor:pointer;transition:background-color .15s,border-color .15s}
.chip:hover{background:var(--s1)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.case[hidden]{display:none}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.kpi{background:#fff;border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.kpi b{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:600;line-height:1.25;letter-spacing:-.01em}
.kpi span{font-size:14px;color:var(--muted)}

/* pain vs gain */
.pg{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pg>div{border-radius:var(--r-xl);padding:36px}
.pg .pain{background:var(--s1)}
.pg .gain{background:var(--brand-tint)}
.pg h3{font-size:20px;margin-bottom:20px}
.pg .x li::before{border:0;width:10px;height:2px;background:var(--faint);transform:none;top:13px;left:4px}
.pg .kpis{grid-template-columns:1fr 1fr;gap:12px}
.pg .kpi{box-shadow:none}

/* ---------- feature list (icon + text) ---------- */
.feat{display:flex;gap:18px;align-items:flex-start}
.feat h4{font-size:17px;margin-bottom:6px}
.feat p{font-size:15px;color:var(--muted);line-height:1.75}
.feats{display:grid;grid-template-columns:repeat(2,1fr);gap:36px 48px}
.feats.three{grid-template-columns:repeat(3,1fr)}

/* api gateway diagram */
.flow{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:16px;align-items:stretch}
.flow-col{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px}
.flow-col h4{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.04em;margin-bottom:14px}
.flow-col ul{list-style:none;display:grid;gap:8px}
.flow-col li{background:var(--s1);border-radius:10px;padding:10px 14px;font-size:14px}
.flow-col li small{display:block;color:var(--muted);font-size:12px}
.flow-mid{background:var(--ink);border-color:var(--ink);color:#fff}
.flow-mid h4{color:#BDC1C6}
.flow-mid ol{list-style:none;display:grid;gap:8px;counter-reset:fl}
.flow-mid li{background:rgba(255,255,255,.08);border-radius:10px;padding:10px 14px;font-size:14px;display:flex;align-items:center;gap:10px}
.flow-mid li::before{counter-increment:fl;content:counter(fl);width:22px;height:22px;border-radius:50%;background:var(--brand);color:#1b0b00;font-size:12px;font-weight:700;display:grid;place-items:center;flex:none}
.quota{display:grid;gap:10px}
.quota div{display:grid;grid-template-columns:120px 1fr 96px;gap:14px;align-items:center;font-size:14px}
.quota .track{height:10px;background:var(--s2);border-radius:10px;overflow:hidden}
.quota .track i{display:block;height:100%;background:var(--brand);border-radius:10px}
.quota b{font-family:var(--mono);font-size:13px;text-align:right;font-weight:600}
.legend{font-size:13px;color:var(--muted);margin-top:12px}
.yes{color:var(--ok);font-weight:600}
.part{color:var(--muted)}
.no{color:var(--faint)}

/* tiers (field engineering) */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tier{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1)}
.tier b{display:block;font-size:44px;font-weight:600;line-height:1;letter-spacing:-.02em}
.tier b small{font-size:20px;margin-left:4px;color:var(--muted);font-weight:500}
.tier span{display:block;margin-top:12px;font-weight:600}
.tier p{font-size:14px;color:var(--muted);margin-top:4px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;font-size:17px;font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{width:32px;height:32px;border-radius:50%;background:var(--s2);display:grid;place-items:center;flex:none;transition:transform .2s,background-color .2s}
.faq details[open] summary .pm{transform:rotate(45deg);background:var(--brand-tint);color:var(--brand-ink)}
.faq summary:hover .pm{background:var(--line)}
.faq .ans{padding:0 56px 24px 0;color:var(--ink-2);font-size:16px;line-height:1.85}

/* ---------- timeline ---------- */
.tl{position:relative;display:grid;gap:0}
.tl::before{content:"";position:absolute;left:96px;top:10px;bottom:10px;width:2px;background:var(--line)}
.tl-i{display:grid;grid-template-columns:96px 1fr;gap:40px;padding:18px 0;position:relative}
.tl-i b{font-family:var(--mono);font-size:16px;font-weight:600;color:var(--ink)}
.tl-i::after{content:"";position:absolute;left:90px;top:26px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.tl-i p{font-size:16px;color:var(--ink-2);line-height:1.8;padding-left:4px}
.tl-i.now::after{background:var(--brand)}

/* ---------- logos ---------- */
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.logo-tile{height:96px;border-radius:var(--r-md);background:#fff;display:grid;place-items:center;padding:20px;border:1px solid var(--line)}
.tint .logo-tile{border-color:transparent}
.logo-tile img{max-height:40px;width:auto;max-width:100%;filter:grayscale(1);opacity:.72;transition:filter .2s,opacity .2s}
.logo-tile:hover img{filter:none;opacity:1}
.logo-tile .wm{font-size:18px;font-weight:700;color:var(--muted);letter-spacing:-.01em;text-align:center;line-height:1.2}
.partner{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column}
.partner .lg{height:56px;display:flex;align-items:center;margin-bottom:18px}
.partner .lg img{max-height:40px;width:auto;max-width:180px}
.partner .lg .wm{font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.partner h3{font-size:17px;margin-bottom:6px}
.partner p{font-size:14px;color:var(--muted);line-height:1.75}
.partner .link{margin-top:auto;padding-top:16px;font-size:14px}

/* ---------- offices ---------- */
.office{background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.office h3{font-size:20px;margin-bottom:6px}
.office address{font-style:normal;color:var(--muted);font-size:15px;margin-bottom:20px}
.office ul{list-style:none;display:grid;gap:12px}
.office li{display:flex;gap:12px;align-items:center;font-size:15px}
.office li .ico{width:18px;height:18px;color:var(--brand-ink)}
.office li small{color:var(--muted);min-width:92px;display:inline-block}
.office a:hover{color:var(--brand-ink)}

/* ---------- form ---------- */
.quote{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.quote h2{font-size:clamp(28px,3.2vw,40px);line-height:1.25;margin-bottom:16px}
.quote .lede{font-size:17px;margin-bottom:32px}
.promise{list-style:none;border-top:1px solid var(--line)}
.promise li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.promise .n{width:34px;height:34px;border-radius:50%;background:var(--brand-tint);color:var(--brand-ink);display:grid;place-items:center;font-weight:600;font-size:14px;flex:none;font-family:var(--mono)}
.promise b{display:block;font-weight:600}
.promise span{font-size:14px;color:var(--muted)}
.form{background:#fff;border-radius:var(--r-xl);padding:40px;box-shadow:var(--sh-3);border:1px solid var(--line);display:grid;gap:18px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fld{display:flex;flex-direction:column;gap:6px}
.fld label{font-size:14px;font-weight:600;color:var(--ink-2)}
.fld label i{font-style:normal;color:var(--brand-ink);margin-left:2px}
.fld input,.fld select,.fld textarea{width:100%;border:1px solid var(--line-2);border-radius:var(--r-sm);padding:12px 14px;font-size:15px;background:#fff;outline:none;transition:border-color .15s,box-shadow .15s;appearance:none;-webkit-appearance:none}
.fld select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235F6368' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.fld textarea{min-height:132px;resize:vertical;line-height:1.7}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--brand-btn);box-shadow:0 0 0 3px rgba(196,79,0,.15)}
.fld input[aria-invalid="true"],.fld select[aria-invalid="true"],.fld textarea[aria-invalid="true"]{border-color:var(--err)}
.fld .err{font-size:13px;color:var(--err);display:none}
.fld .err.show{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.consent input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand-btn);flex:none}
.consent a{color:var(--brand-ink);text-decoration:underline;text-underline-offset:3px}
.form-ok{display:none;background:var(--ok-tint);color:#0D652D;border-radius:var(--r-sm);padding:14px 16px;font-size:14px}
.form-ok.show{display:block}
.form .btn{justify-self:start}

/* ---------- CTA band ---------- */
.cta{padding:96px 0;text-align:center}
.cta-box{background:var(--s1);border-radius:36px;padding:72px 32px}
.cta h2{font-size:clamp(28px,3.6vw,44px);line-height:1.25;margin-bottom:14px}
.cta p{font-size:18px;color:var(--muted);margin-bottom:32px}
.cta .acts{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta .contact-line{margin-top:24px;font-size:15px;color:var(--muted)}
.cta .contact-line a{color:var(--ink);font-weight:600}
.cta .contact-line a:hover{color:var(--brand-ink)}

/* other services nav */
.more{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.more a{display:flex;flex-direction:column;gap:12px;padding:20px;border-radius:var(--r-md);background:var(--s1);font-weight:600;font-size:15px;transition:background-color .15s}
.more a:hover{background:var(--s2)}
.more a .badge-ico{width:40px;height:40px;border-radius:12px;background:#fff}
.more a .badge-ico .ico{width:20px;height:20px}

/* empty state */
.empty{text-align:center;padding:72px 24px;background:var(--s1);border-radius:var(--r-xl)}
.empty .badge-ico{margin:0 auto 20px;background:#fff}
.empty h2{font-size:24px;margin-bottom:10px}
.empty p{color:var(--muted);max-width:520px;margin:0 auto 24px}

/* legal */
.legal{max-width:760px}
.legal h2{font-size:22px;margin:44px 0 14px}
.legal p,.legal li{color:var(--ink-2);font-size:16px;line-height:1.9}
.legal ul{padding-left:22px;display:grid;gap:6px}
.legal .upd{color:var(--muted);font-size:14px}

/* ---------- footer ---------- */
.ftr{background:var(--s1);border-top:1px solid var(--line);padding:72px 0 32px;font-size:14px}
.ftr-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:32px}
.ftr .brand{margin-bottom:16px}
.ftr .about{color:var(--muted);line-height:1.8;max-width:300px}
.ftr h5{font-size:14px;font-weight:600;margin:0 0 14px;color:var(--ink)}
.ftr ul{list-style:none;display:grid;gap:10px}
.ftr li a{color:var(--muted)}
.ftr li a:hover{color:var(--ink)}
.ftr .ct{color:var(--muted);line-height:1.8}
.ftr .ct a:hover{color:var(--ink)}
.ftr-b{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:48px;padding-top:24px;color:var(--muted);font-size:13px}
.ftr-b a:hover{color:var(--ink)}
.ftr-b .beian{display:flex;gap:16px;flex-wrap:wrap}


/* ---------- feature band / new tag ---------- */
.new-tag{display:inline-block;vertical-align:middle;margin-left:8px;font-size:10px;font-weight:700;letter-spacing:.06em;color:#fff;background:var(--brand-btn);border-radius:999px;padding:2px 7px;line-height:1.4}
.svc-top h4 .new-tag{margin-left:6px}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.feature h2{font-size:clamp(28px,3.2vw,40px);line-height:1.25;margin-bottom:16px}
.feature .ph{border-radius:var(--r-xl)}
@media (max-width:1120px){.feature{grid-template-columns:1fr;gap:36px}}

/* ---------- photos ---------- */
.ph{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--s2)}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.ph.r169{aspect-ratio:16/9}.ph.r32{aspect-ratio:3/2}.ph.r43{aspect-ratio:4/3}.ph.r21{aspect-ratio:21/9}.ph.r11{aspect-ratio:1/1}
.svc>.ph,.case>.ph,.card>.ph:first-child{margin:-28px -28px 22px;border-radius:var(--r-lg) var(--r-lg) 0 0}
a.svc:hover .ph img,a.card:hover .ph img,.case:hover .ph img{transform:scale(1.035)}
.svc-wide{grid-template-columns:1fr 1fr;align-items:center}
.svc-wide>.ph{margin:0;border-radius:var(--r-md)}
.svc-wide .link{margin-top:20px}
.sol-card>.ph{margin:0!important;border-radius:var(--r-md);align-self:stretch;aspect-ratio:auto;min-height:260px}
.phero-img{margin-top:48px}
.phero-img .ph{border-radius:var(--r-xl)}
.sticky .ph{margin-top:8px}
.mosaic{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:240px 240px;gap:12px}
.mo-i{position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden}
.mo-i .ph{position:absolute;inset:0;border-radius:0;aspect-ratio:auto}
.mo-0{grid-row:span 2}
.mo-i figcaption{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--ink)}
.mo-i:hover .ph img{transform:scale(1.035)}
@media (max-width:860px){
  .mosaic{grid-template-columns:1fr 1fr;grid-template-rows:220px 160px 160px}
  .mo-0{grid-column:1/-1;grid-row:auto}
}
@media (max-width:640px){
  .svc>.ph,.case>.ph,.card>.ph:first-child{margin:-22px -22px 18px}
  .sol-card>.ph{min-height:200px}
  .phero-img{margin-top:32px}
  .phero-img .ph{border-radius:var(--r-lg);aspect-ratio:16/10}
  .mosaic{grid-template-rows:200px 140px 140px;gap:8px}
  .mo-i figcaption{font-size:12px;padding:4px 10px}
}

/* ---------- reveal ---------- */
@media (prefers-reduced-motion:no-preference){
  .js .rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
  .js .rv.in{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}

/* ---------- responsive ---------- */
@media (max-width:1120px){
  .nav,.hdr-r .lang,.hdr-r .btn-ghost{display:none}
  .burger{display:grid}
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .split,.split.even,.quote{grid-template-columns:1fr;gap:40px}
  .sticky{position:static}
  .g4,.logos{grid-template-columns:repeat(3,1fr)}
  .steps,.steps.five{grid-template-columns:repeat(2,1fr)}
  .more{grid-template-columns:repeat(3,1fr)}
  .layer{grid-template-columns:1fr;gap:20px}
  .ftr-grid{grid-template-columns:repeat(3,1fr)}
  .ftr-grid>div:first-child{grid-column:1/-1}
  .flow{grid-template-columns:1fr}
  .sol-card{grid-template-columns:1fr;padding:32px}
}
@media (max-width:860px){
  .section{padding:80px 0}
  .g3,.svc-row.three,.feats.three,.tiers{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .kpis{grid-template-columns:1fr 1fr}
  .pg{grid-template-columns:1fr}
  .svc-wide{grid-template-columns:1fr}
}
@media (max-width:420px){
  html[lang="en"] .brand span{display:none}
}
@media (max-width:640px){
  :root{--gutter:16px;--header-h:60px}
  body{font-size:15px}
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
  .hero{padding:48px 0 64px}
  .phero{padding:32px 0 48px}
  .crumbs{margin-bottom:24px}
  .lede{font-size:17px}
  .sh{margin-bottom:36px}
  .sh p{font-size:16px}
  .brand img{height:28px}
  .brand span{font-size:16px}
  .hdr-in{gap:12px}
  .hdr-r .btn-pri{padding:0 14px}
  .g2,.g3,.g4,.svc-row,.svc-row.three,.feats,.feats.three,.tiers,.steps,.steps.five,.steps.three{grid-template-columns:1fr}
  .logos{grid-template-columns:repeat(2,1fr)}
  .more{grid-template-columns:1fr 1fr}
  .stat{padding:24px 16px}
  .stat b{font-size:34px}
  .card,.svc,.case,.step{padding:22px}
  .spec div{grid-template-columns:1fr;gap:6px}
  .form{padding:24px}
  .form .row{grid-template-columns:1fr}
  .pg>div{padding:24px}
  .cta{padding:56px 0}
  .cta-box{padding:48px 20px;border-radius:24px}
  .faq .ans{padding-right:0}
  .tl::before{left:6px}
  .tl-i{grid-template-columns:1fr;gap:4px;padding:14px 0 14px 32px}
  .tl-i::after{left:0;top:20px}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .route{grid-template-columns:1fr auto}
  .route .bw{display:none}
  .panel-f b{font-size:18px}
  .panel-f div{padding:14px 12px}
  .quota div{grid-template-columns:96px 1fr 76px;gap:10px}
  .btn{height:44px}
  .hero .acts .btn,.phero .acts .btn{flex:1 1 auto}
  .sol-card{padding:24px}
  .metrics{gap:12px}
  .metrics b{white-space:normal}
  .kpi{padding:18px}
}

@media print{
  .hdr,.drawer,.ftr,.cta,.quote-sec{display:none!important}
  .section{padding:24px 0}
  body{font-size:12pt}
}