/* 快通达盈官网设计系统 — 墨黑 × 宣纸白 × 朱砂红，编辑式排版 */
:root{
  --ink:#0B0D12;--paper:#F4F1EA;--red:#C8321E;--gray:#5B5F6A;--mute:#8A8E98;
  --line:rgba(11,13,18,.12);--line-l:rgba(244,241,234,.18);
  --serif:'KTDY Serif','KTDY Serif Fallback','Songti SC','Noto Serif CJK SC','SimSun',serif;
  --sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans CJK SC','Helvetica Neue',Arial,sans-serif;
  --en:'Inter Tight',var(--sans);
  --wrap:1440px;--gut:24px;--pad:clamp(20px,5vw,64px);
  --sec:clamp(72px,10vw,140px);
  --ease:cubic-bezier(.22,1,.36,1);
  --fs-1:clamp(40px,6.6vw,96px);--fs-2:clamp(32px,4.4vw,64px);--fs-3:clamp(26px,2.8vw,40px);
  --fs-4:clamp(22px,2vw,28px);--fs-5:clamp(18px,1.4vw,20px);--fs-6:17px;--fs-7:14px;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font:var(--fs-6)/1.7 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg,picture{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.serif{font-family:var(--serif);font-weight:600;letter-spacing:.01em}
.en{font-family:var(--en);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:99}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.hp{position:absolute;left:-9999px;opacity:0}

/* type */
.h2{font-size:var(--fs-2);line-height:1.1;max-width:18em}
.h3{font-size:var(--fs-3);line-height:1.2}
.lead{font-size:var(--fs-5);line-height:1.6;color:var(--gray);max-width:34em;margin-top:20px}
.ink .lead{color:rgba(244,241,234,.72)}
.eyebrow{font-size:var(--fs-7);letter-spacing:.08em;color:var(--gray);margin-bottom:24px;display:flex;gap:10px;align-items:baseline}
.eyebrow .no{color:var(--red);font-family:var(--en);font-weight:600}
.eyebrow .en{color:var(--mute)}
.kicker{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-bottom:14px}
.sec{padding:var(--sec) 0}
.sec-head{margin-bottom:clamp(40px,6vw,80px)}
.sec-head.row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px}
.ink{background:var(--ink);color:var(--paper)}
.ink .eyebrow{color:rgba(244,241,234,.6)}
.ink .eyebrow .en{color:rgba(244,241,234,.4)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:var(--paper);padding:16px 28px;font-size:15px;letter-spacing:.02em;border:1px solid var(--ink);transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease)}
.btn:hover{background:var(--red);border-color:var(--red);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.ink .btn{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.ink .btn:hover{background:var(--red);color:var(--paper);border-color:var(--red)}
.tlink{position:relative;display:inline-block;font-size:15px;font-weight:500;padding-bottom:3px;white-space:nowrap}
.tlink::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform-origin:right;transition:transform .4s var(--ease)}
.tlink:hover::after{transform:scaleX(0);transform-origin:left}
.tlink.light{color:var(--paper)}
.link{text-decoration:underline;text-underline-offset:3px}

/* placeholders for missing photos */
.ph{background:linear-gradient(135deg,#D9D6CF,#B8BCC4 60%,#9AA0AA);position:relative;overflow:hidden}
.ph span{position:absolute;left:12px;bottom:10px;font:12px var(--en);color:rgba(11,13,18,.5)}

/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(244,241,234,.0);transition:background .4s,box-shadow .4s,backdrop-filter .4s}
.hd.is-scrolled{background:rgba(244,241,234,.88);backdrop-filter:saturate(1.2) blur(12px);box-shadow:0 1px 0 var(--line)}
.hd-in{display:flex;align-items:center;gap:40px;height:76px}
.brand svg{width:148px;height:auto}
.brand-zh{font-family:var(--serif);font-weight:600;font-size:22px;fill:currentColor;letter-spacing:1px}
.brand-en{font-family:var(--en);font-weight:500;font-size:12px;fill:currentColor;opacity:.5;letter-spacing:2.5px}
.nav{display:flex;gap:34px;margin-left:auto}
.nav a{font-size:15px;padding:6px 0;position:relative;color:var(--gray)}
.nav a[aria-current],.nav a:hover{color:var(--ink)}
.nav a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--red)}
.hd-menu{display:none;width:40px;height:40px;position:relative}
.hd-menu span{position:absolute;left:8px;right:8px;height:1.5px;background:var(--ink);transition:transform .4s var(--ease),top .4s var(--ease)}
.hd-menu span:first-child{top:14px}.hd-menu span:last-child{top:24px}
.hd-menu[aria-expanded=true] span:first-child{top:19px;transform:rotate(45deg)}
.hd-menu[aria-expanded=true] span:last-child{top:19px;transform:rotate(-45deg)}
.hd-drawer{display:none}

/* hero */
.hero{padding:clamp(24px,4vw,56px) 0 var(--sec);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,96px);align-items:center;min-height:min(calc(100vh - 140px),760px)}
.hero-h{font-size:var(--fs-1);line-height:1.04;letter-spacing:-.01em}
.hero-h .line{display:block;overflow:hidden}
.hero-h .line span{display:block}
.js .hero-h.anim .line span{transform:translateY(110%);animation:rise .9s var(--ease) forwards}
.js .hero-h.anim .line:nth-child(2) span{animation-delay:.08s}
.js .hero-h.anim .line:nth-child(3) span{animation-delay:.16s}
@keyframes rise{to{transform:none}}
.hero-en{margin-top:22px;font-size:var(--fs-7);letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.hero-lead{margin-top:28px;font-size:var(--fs-5);line-height:1.6;color:var(--gray);max-width:30em}
.hero-act{margin-top:40px;display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.hero-img{position:relative;justify-self:end;width:min(100%,560px)}
.hero-img picture,.hero-img .ph{clip-path:inset(0 0 0 0)}
.js .hero-img.anim picture,.js .hero-img.anim .ph{clip-path:inset(0 0 100% 0);animation:unveil 1.1s var(--ease) .15s forwards}
@keyframes unveil{to{clip-path:inset(0 0 0 0)}}
.hero-img::after{content:"";position:absolute;left:-18px;bottom:-18px;width:72px;height:72px;border-left:1px solid var(--red);border-bottom:1px solid var(--red);pointer-events:none}

/* reveal */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}.js .hero-h.anim .line span,.js .hero-img.anim picture,.js .hero-img.anim .ph{animation:none;transform:none;clip-path:none}}

/* briefs */
.briefs{border-top:1px solid var(--line)}
.brief-row{display:grid;grid-template-columns:7fr 5fr;gap:clamp(24px,4vw,64px);align-items:end;padding:clamp(32px,4vw,56px) 0;border-top:1px solid var(--line)}
.brief-row:first-of-type{border-top:0}
.brief-row.r{grid-template-columns:5fr 7fr}
.brief-row.r .brief-img{order:2}
.brief-img{overflow:hidden}
.brief-img img,.brief-img .ph{transition:transform 1.2s var(--ease)}
.brief-row:hover .brief-img img,.brief-row:hover .brief-img .ph{transform:scale(1.03)}
.brief-txt p{margin-top:16px;color:var(--gray);max-width:30em}
.brief-txt .tlink{margin-top:22px}
.more{margin-top:48px}

/* services list + sticky */
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,96px);align-items:start}
.svc-item{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:36px 0;border-top:1px solid var(--line);position:relative;transition:padding-left .5s var(--ease)}
.svc-item:last-child{border-bottom:1px solid var(--line)}
.svc-no{font-size:14px;color:var(--red);font-weight:600;padding-top:10px}
.svc-name{display:block;font-size:var(--fs-3);line-height:1.2}
.svc-en{display:block;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-top:6px}
.svc-one{display:block;margin-top:14px;color:var(--gray);max-width:28em}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:18px}
.svc-tags i{font-style:normal;font-size:13px;color:var(--mute);position:relative;padding-left:12px}
.svc-tags i::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;background:var(--line)}
.svc-item.is-on .svc-tags i::before{background:var(--red)}
.svc-item:hover .svc-name{color:var(--red)}
.svc-img-m{display:none}
.svc-sticky{position:sticky;top:110px;aspect-ratio:3/2}
.svc-pic{position:absolute;inset:0;opacity:0;transition:opacity .8s var(--ease)}
.svc-pic.is-on{opacity:1}

/* manifesto */
.man-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(40px,6vw,120px);align-items:start}
.man-p{font-size:var(--fs-3);line-height:1.4;font-weight:400;max-width:20em}
.man-p+.man-p{margin-top:1.2em;color:rgba(244,241,234,.8)}
.man-side{padding-top:12px}
.man-method{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:13px;letter-spacing:.06em;color:rgba(244,241,234,.8)}
.man-method span{display:inline-flex;flex-direction:column}
.man-method small{font-size:10px;color:rgba(244,241,234,.4);letter-spacing:.12em;text-transform:uppercase}
.man-method i{font-style:normal;color:var(--red)}
.man-commit{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px 20px;font-size:15px;color:rgba(244,241,234,.85);align-items:center}
.man-commit span::before{content:"— ";color:var(--red)}
.man-commit .tlink{font-size:14px;margin-left:auto}
.facts{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line-l);padding-top:28px}
.facts li{padding-right:20px}.facts li+li{padding-left:20px;border-left:1px solid var(--line-l)}
.facts b{display:block;font-size:var(--fs-3);font-weight:400;line-height:1}
.facts span{display:block;font-size:13px;color:rgba(244,241,234,.6);margin-top:10px}

/* band */
.band{position:relative}
.band picture,.band .ph{aspect-ratio:21/9}
.band img{width:100%;height:100%;object-fit:cover}
.band-q{position:absolute;left:0;right:0;bottom:clamp(24px,5vw,72px)}
.band-q p{font-size:var(--fs-4);color:#fff;max-width:22em;text-shadow:0 1px 18px rgba(0,0,0,.35);font-weight:400}
.band::after{content:"";position:absolute;inset:auto 0 0 0;height:45%;background:linear-gradient(180deg,transparent,rgba(11,13,18,.55));pointer-events:none}
.band-q{z-index:1}

/* insights list */
.ins-row{display:grid;grid-template-columns:210px 1fr 1fr 120px;gap:32px;align-items:center;padding:32px 0;border-top:1px solid var(--line)}
.ins-row:last-child{border-bottom:1px solid var(--line)}
.ins-meta{font-size:13px;color:var(--mute);letter-spacing:.04em}
.ins-title{font-size:var(--fs-4);line-height:1.3}
.ins-row:hover .ins-title{color:var(--red)}
.ins-sum{color:var(--gray);font-size:15px}
.ins-cover{width:120px;overflow:hidden}
.ins-cover img,.ins-cover .ph{transition:transform 1s var(--ease)}
.ins-row:hover .ins-cover img{transform:scale(1.04)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,120px);align-items:start}
.contact-lines{margin-top:40px;display:grid;gap:8px;color:rgba(244,241,234,.7)}
.contact-lines .big{font-size:var(--fs-3);color:var(--paper);font-weight:400;letter-spacing:.02em}
.cform{display:grid;gap:18px}
.cform label{display:grid;gap:8px;font-size:13px;letter-spacing:.04em;color:rgba(244,241,234,.6)}
.cform input,.cform select,.cform textarea{font:16px/1.5 var(--sans);color:var(--paper);background:transparent;border:0;border-bottom:1px solid var(--line-l);padding:10px 0;border-radius:0;width:100%;transition:border-color .3s}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:0;border-bottom-color:var(--paper)}
.cform select option{color:var(--ink)}
.cform textarea{resize:vertical}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cform fieldset{border:0;padding:0;margin:0}
.cform legend{font-size:13px;letter-spacing:.04em;color:rgba(244,241,234,.6);margin-bottom:10px}
.chip{display:inline-flex!important;margin:0 10px 8px 0}
.chip input{position:absolute;opacity:0;width:0;height:0}
.chip span{border:1px solid var(--line-l);padding:8px 14px;font-size:14px;color:var(--paper);transition:all .3s}
.chip input:checked+span{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.f-act{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:8px}
.f-note{font-size:13px;color:rgba(244,241,234,.5)}
.f-note a{text-decoration:underline;text-underline-offset:3px}
.f-msg{font-size:14px;min-height:1.5em;color:var(--paper)}
.f-msg.err{color:#F0A394}
.page .cform label,.page .cform legend{color:var(--gray)}
.page .cform input,.page .cform select,.page .cform textarea{color:var(--ink);border-bottom-color:var(--line)}
.page .cform input:focus,.page .cform select:focus,.page .cform textarea:focus{border-bottom-color:var(--ink)}
.page .chip span{color:var(--ink);border-color:var(--line)}
.page .chip input:checked+span{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.page .f-note{color:var(--mute)}.page .f-msg{color:var(--ink)}.page .f-msg.err{color:var(--red)}

/* footer */
.ft{padding:var(--sec) 0 40px;border-top:1px solid var(--line)}
.ft-top{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:40px}
.ft-brand svg{width:148px;height:auto}
.ft-tag{margin-top:24px;color:var(--gray);max-width:24em;font-size:15px}
.ft-contact{margin-top:24px;font-size:14px;line-height:2;color:var(--gray)}
.ft-col h4{font-size:14px;letter-spacing:.04em;margin-bottom:18px}
.ft-col h4 small{font-family:var(--en);font-weight:400;color:var(--mute);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-left:6px}
.ft-col a,.ft-col button{display:block;font-size:15px;color:var(--gray);padding:5px 0;text-align:left}
.ft-col a:hover,.ft-col button:hover{color:var(--ink)}
.ft-qr{margin-top:16px;width:88px;height:88px;border:1px solid var(--line);display:grid;place-items:center;font-size:11px;color:var(--mute)}
.ft-bot{margin-top:clamp(40px,6vw,80px);padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:13px;color:var(--mute)}
.ft-bot a:hover{color:var(--ink)}

/* mobile bar */
.mbar{display:none}

/* chat */
.chat{position:fixed;right:24px;bottom:24px;z-index:60;transition:opacity .4s,transform .4s var(--ease)}
.chat.is-hidden{opacity:0;pointer-events:none;transform:translateY(12px)}
.chat-bubble{width:56px;height:56px;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center;box-shadow:0 8px 30px rgba(11,13,18,.25);position:relative;transition:background .3s,transform .3s var(--ease)}
.chat-bubble:hover{background:var(--red);transform:translateY(-2px)}
.chat-dot{position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:var(--red);border:2px solid var(--paper)}
.chat-panel{position:absolute;right:0;bottom:72px;width:min(380px,calc(100vw - 48px));height:min(560px,calc(100vh - 120px));background:#fff;color:var(--ink);box-shadow:0 20px 60px rgba(11,13,18,.28);display:flex;flex-direction:column;overflow:hidden;transform-origin:bottom right;animation:pop .35s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}}
.chat-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--ink);color:var(--paper)}
.chat-head strong{display:block;font-weight:600;font-size:15px}
.chat-agent{font-size:12px;color:rgba(244,241,234,.6)}
.chat-agent.is-human::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#5BBF7A;margin-right:6px}
.chat-close{font-size:24px;line-height:1;width:32px;height:32px}
.chat-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--paper)}
.msg{max-width:84%;padding:10px 14px;font-size:14px;line-height:1.55;border-radius:2px;white-space:pre-wrap;word-break:break-word}
.msg.v{align-self:flex-end;background:var(--ink);color:var(--paper)}
.msg.a{align-self:flex-start;background:#fff;border:1px solid var(--line)}
.msg.s{align-self:center;background:transparent;color:var(--mute);font-size:12px;text-align:center;padding:4px 0}
.msg time{display:block;font-size:10px;opacity:.5;margin-top:4px;font-family:var(--en)}
.chat-quick{display:flex;flex-wrap:wrap;gap:8px;padding:10px 16px 0;background:#fff}
.chat-quick button{font-size:13px;border:1px solid var(--line);padding:6px 10px;transition:all .2s}
.chat-quick button:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chat-form{padding:12px 16px 10px;background:#fff;border-top:1px solid var(--line)}
.chat-id{display:grid;grid-template-columns:1fr 1.4fr;gap:8px;margin-bottom:8px}
.chat-id input{font:13px var(--sans);padding:8px 10px;border:1px solid var(--line);width:100%}
.chat-row{display:flex;gap:8px;align-items:flex-end}
.chat-row textarea{flex:1;font:14px/1.4 var(--sans);padding:10px 12px;border:1px solid var(--line);resize:none;max-height:120px}
.chat-row textarea:focus,.chat-id input:focus{outline:0;border-color:var(--ink)}
.chat-note{font-size:11px;color:var(--mute);margin-top:8px}
.chat-note a{text-decoration:underline}

/* inner pages */
.page-head{padding:clamp(40px,6vw,88px) 0 clamp(32px,5vw,64px)}
.page-head .h1{font-size:var(--fs-2);line-height:1.1;max-width:16em}
.page-head .en-sub{margin-top:16px;font-size:var(--fs-7);letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.page-head .lead{margin-top:24px}
.crumb{font-size:13px;color:var(--mute);margin-bottom:28px;display:flex;gap:8px}
.crumb a:hover{color:var(--ink)}
.prose{max-width:720px;font-size:var(--fs-6);line-height:1.85}
.prose h2{font-family:var(--serif);font-size:var(--fs-4);line-height:1.3;margin:2.2em 0 .8em}
.prose h3{font-family:var(--serif);font-size:var(--fs-5);margin:1.8em 0 .6em}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{margin:0 0 1.2em 1.2em;padding:0}
.prose li{margin:.35em 0}
.prose ul{list-style:none;margin-left:0}
.prose ul li{position:relative;padding-left:18px}
.prose ul li::before{content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;background:var(--red)}
.prose ol{list-style:decimal}
.prose blockquote{margin:2em 0;padding-left:24px;border-left:2px solid var(--red);font-family:var(--serif);font-size:var(--fs-5);font-weight:400;color:var(--gray)}
.prose strong{font-weight:600}
.prose table{border-collapse:collapse;width:100%;font-size:15px;margin:1.5em 0}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-weight:600}
.prose hr{border:0;border-top:1px solid var(--line);margin:3em 0}
.prose a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--red)}
.two{display:grid;grid-template-columns:minmax(0,720px) 1fr;gap:clamp(40px,6vw,120px);align-items:start}
.aside{position:sticky;top:110px}
.aside h4{font-size:13px;letter-spacing:.06em;color:var(--mute);margin-bottom:14px}
.aside ul li{padding:8px 0;border-top:1px solid var(--line);font-size:15px}
.aside ul li:last-child{border-bottom:1px solid var(--line)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:10px 24px;font-size:15px}
.kv dt{color:var(--mute)}.kv dd{margin:0}
.notice{font-size:13px;color:var(--mute);border-left:2px solid var(--red);padding-left:12px;margin-bottom:32px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.card{border-top:1px solid var(--line);padding-top:24px}
.card h3{font-family:var(--serif);font-size:var(--fs-4);line-height:1.3}
.card p{margin-top:12px;color:var(--gray);font-size:15px}
.card .en{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-bottom:8px}
.list-work .brief-row{align-items:center}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;font-size:var(--fs-5);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font-family:var(--en);color:var(--red);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:12px;color:var(--gray);max-width:40em}
.timeline{display:grid;gap:0}
.timeline li{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:20px 0;border-top:1px solid var(--line)}
.timeline li:last-child{border-bottom:1px solid var(--line)}
.timeline b{font-family:var(--en);font-weight:500;color:var(--red)}
.svg-map{width:100%;max-width:520px;border:1px solid var(--line)}
.cta-band{padding:var(--sec) 0;border-top:1px solid var(--line)}
.cta-band .h2{max-width:none}
.p404{min-height:60vh;display:grid;place-items:center;text-align:center}
.p404 .big{font-size:clamp(96px,20vw,240px);line-height:1;font-weight:400;color:var(--line)}
.article-meta{font-size:13px;color:var(--mute);letter-spacing:.04em;margin-bottom:24px}
.article-cover{margin:40px 0 48px;max-width:720px}
.article-cover img{aspect-ratio:16/9;object-fit:cover;width:100%}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:80px;padding-top:32px;border-top:1px solid var(--line)}
.pn a{display:block}
.pn small{display:block;font-size:12px;color:var(--mute);letter-spacing:.06em;margin-bottom:8px}
.pn .serif{font-size:var(--fs-5)}
.pn .next{text-align:right}

/* ---------- responsive ---------- */
@media(max-width:1100px){
  .ins-row{grid-template-columns:150px 1fr 100px;gap:24px}
  .ins-sum{display:none}
  .ft-top{grid-template-columns:1fr 1fr 1fr}
  .ft-brand{grid-column:1/-1}
}
@media(max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-img{justify-self:stretch;width:100%;max-width:520px}
  .hero-img::after{display:none}
  .svc-grid{grid-template-columns:1fr}
  .svc-sticky{display:none}
  .svc-img-m{display:block;grid-column:1/-1;margin-top:8px}
  .man-grid,.contact-grid,.two{grid-template-columns:1fr}
  .aside{position:static}
  .brief-row,.brief-row.r{grid-template-columns:1fr;gap:20px}
  .brief-row.r .brief-img{order:0}
  .grid3{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .hd-in{height:64px;gap:16px}
  .nav,.hd-cta{display:none}
  .hd-menu{display:block;margin-left:auto}
  .hd-drawer{display:none;position:fixed;inset:64px 0 0 0;background:var(--paper);padding:24px var(--pad);z-index:49;flex-direction:column;gap:4px;overflow:auto}
  .hd-drawer.is-open{display:flex}
  .hd-drawer a{display:flex;justify-content:space-between;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line);font-size:28px}
  .hd-drawer a small{font-family:var(--en);font-size:12px;color:var(--mute);letter-spacing:.12em;text-transform:uppercase}
  .hd-drawer-foot{margin-top:auto;padding-top:24px;font-size:14px;color:var(--gray);display:grid;gap:6px}
  .hero-act{gap:20px}
  .sec-head.row{flex-direction:column;align-items:flex-start}
  .ins-row{grid-template-columns:1fr 88px;gap:16px}
  .ins-meta{grid-column:1/-1}
  .ins-cover{width:88px;grid-row:2;grid-column:2}
  .ins-title{grid-row:2}
  .facts{grid-template-columns:repeat(3,1fr);gap:12px}
  .facts b{font-size:32px}
  .f2{grid-template-columns:1fr}
  .ft-top{grid-template-columns:1fr 1fr;gap:28px}
  .ft-bot{flex-direction:column;gap:10px}
  .grid3{grid-template-columns:1fr}
  .timeline li{grid-template-columns:1fr;gap:6px}
  .pn{grid-template-columns:1fr}
  .pn .next{text-align:left}
  .band-q p{font-size:18px}
  .mbar{display:grid;grid-template-columns:1fr 1.6fr;position:fixed;left:0;right:0;bottom:0;z-index:55;background:var(--ink);color:var(--paper);transition:transform .4s var(--ease)}
  .mbar.is-hidden{transform:translateY(100%)}
  .mbar a,.mbar button{padding:16px;text-align:center;font-size:15px}
  .mbar button{border-left:1px solid var(--line-l);background:var(--red)}
  body{padding-bottom:54px}
  .chat{right:16px;bottom:70px}
  .chat-panel{position:fixed;inset:0;width:auto;height:auto;bottom:0}
  .chat-bubble{width:50px;height:50px}
}
@media(min-width:768px){.hd-drawer{display:none!important}}
@media(max-width:374px){.hero-h{font-size:36px}}