/* ============================================================
   金明科技 · 新官网 v3 — 亮纸感 × 品牌红 × 丝绸引擎
   ============================================================ */
:root{
  --paper:      #f5f5f3;
  --paper-2:    #e9e9e6;
  --ink:        #19191b;
  --ink-2:      #242427;
  --ink-3:      #303034;
  --ink-soft:   #48484e;
  --muted:      #64646b;
  --faint:      #8a8a91;
  --red:        #bd1e25;
  --red-deep:   #9e181f;
  --gold:       #bd1e25;
  --line:       #d9d9d7;
  --serif: "Noto Serif SC","Songti SC","STSong",serif;
  --sans:  "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ease: cubic-bezier(.16,1,.3,1);
  --pad: clamp(20px, 5vw, 72px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-weight:300;font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--red);color:#fff}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}

/* ---------- 暗场 ---------- */
.dark{background:var(--ink);color:#f3f3ef}
.dark ::selection{background:var(--gold);color:var(--ink)}

/* ---------- 预加载 ---------- */
#loader{
  position:fixed;inset:0;z-index:400;background:var(--paper);
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;
  transition:transform .9s var(--ease);
}
#loader.done{transform:translateY(-101%)}
#loader .brand{display:flex;align-items:center;gap:14px;font-family:var(--serif);font-weight:900;font-size:clamp(28px,5vw,44px);letter-spacing:.1em}
#loader .brand img{width:44px;height:44px}
#loader .bar{width:min(240px,50vw);height:1px;background:var(--line);overflow:hidden}
#loader .bar i{display:block;height:100%;width:0;background:var(--red);transition:width .3s ease}
#loader .pct{font-size:11px;color:var(--faint);letter-spacing:.35em}

/* ---------- 页面转场(红幕布) ---------- */
#wipe{position:fixed;inset:0;z-index:300;pointer-events:none;display:flex}
#wipe i{flex:1;background:var(--red);transform:scaleY(0);transform-origin:top}
#wipe.in i{animation:wipeIn .5s var(--ease) forwards}
#wipe.in i:nth-child(2){animation-delay:.05s}
#wipe.in i:nth-child(3){animation-delay:.1s}
#wipe.in i:nth-child(4){animation-delay:.15s}
#wipe.in i:nth-child(5){animation-delay:.2s}
#wipe.out i{transform:scaleY(1);transform-origin:bottom;animation:wipeOut .5s var(--ease) forwards}
#wipe.out i:nth-child(2){animation-delay:.05s}
#wipe.out i:nth-child(3){animation-delay:.1s}
#wipe.out i:nth-child(4){animation-delay:.15s}
#wipe.out i:nth-child(5){animation-delay:.2s}
@keyframes wipeIn{to{transform:scaleY(1)}}
@keyframes wipeOut{to{transform:scaleY(0)}}

/* ---------- 自定义光标 ---------- */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:250;border-radius:50%;transform:translate(-50%,-50%)}
.cursor-dot{width:6px;height:6px;background:var(--red)}
.cursor-ring{width:38px;height:38px;border:1px solid rgba(189,30,37,.45);transition:width .35s var(--ease),height .35s var(--ease),background .35s}
.cursor-ring.hovering{width:64px;height:64px;background:rgba(189,30,37,.08)}
@media (pointer:coarse){.cursor-dot,.cursor-ring{display:none}}

/* ---------- 导航 ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px var(--pad);transition:padding .5s var(--ease),background .5s,border-color .5s;
  border-bottom:1px solid transparent;
}
header.scrolled{padding:10px var(--pad);background:rgba(245,245,243,.90);backdrop-filter:blur(14px);border-color:var(--line)}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:900;font-size:20px;letter-spacing:.08em}
.logo img{width:34px;height:34px}
.logo .en{display:block;font-family:var(--sans);font-weight:400;font-size:9px;letter-spacing:.42em;color:var(--faint);margin-top:1px}
nav.desktop{display:flex;gap:36px}
nav.desktop a{font-size:14px;letter-spacing:.15em;color:var(--muted);position:relative;padding:6px 0;transition:color .3s}
nav.desktop a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--red);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
nav.desktop a:hover,nav.desktop a.active{color:var(--ink)}
nav.desktop a:hover::after,nav.desktop a.active::after{transform:scaleX(1);transform-origin:left}
.nav-cta{font-size:13px;letter-spacing:.12em;border:1px solid var(--red);color:var(--red);padding:9px 22px;border-radius:99px;transition:background .35s,color .35s}
.nav-cta:hover{background:var(--red);color:#fff}
.burger{display:none;flex-direction:column;gap:6px;background:none;border:0;cursor:pointer;padding:8px;z-index:120}
.burger span{width:26px;height:1.5px;background:var(--ink);transition:transform .4s var(--ease),opacity .3s}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
#mobileMenu{
  position:fixed;inset:0;z-index:110;background:var(--paper-2);
  display:flex;flex-direction:column;justify-content:center;padding:0 var(--pad);gap:6px;
  clip-path:circle(0 at calc(100% - 46px) 40px);transition:clip-path .8s var(--ease);
}
#mobileMenu.open{clip-path:circle(150% at calc(100% - 46px) 40px)}
#mobileMenu a{font-family:var(--serif);font-size:clamp(28px,8vw,42px);font-weight:900;padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:baseline}
#mobileMenu a small{font-family:var(--sans);font-size:11px;color:var(--faint);letter-spacing:.28em}
@media(max-width:860px){nav.desktop,.nav-cta{display:none}.burger{display:flex}}

/* ---------- Hero · 丝绸引擎 ---------- */
#hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:130px var(--pad) 90px;overflow:hidden;
}
#silk{position:absolute;inset:0;width:100%;height:100%;z-index:0;cursor:crosshair}
.hero-inner{position:relative;z-index:2;pointer-events:none;max-width:1360px;margin:0 auto;width:100%}
.hero-inner .btn, .hero-inner a{pointer-events:auto}
.hero-eyebrow{display:flex;align-items:center;gap:14px;font-size:13px;letter-spacing:.35em;color:var(--red);margin-bottom:clamp(20px,4vh,36px)}
.hero-eyebrow::before{content:"";width:48px;height:2px;background:var(--red)}
h1.hero-title{
  font-family:var(--serif);font-weight:900;
  font-size:clamp(44px,9.5vw,116px);line-height:1.16;letter-spacing:.02em;color:var(--ink);
}
h1.hero-title .row{display:block;overflow:hidden}
h1.hero-title .ch{display:inline-block;transform:translateY(115%);transition:transform 1.1s var(--ease)}
h1.hero-title .red .ch{color:transparent;background:linear-gradient(100deg,var(--red) 25%,#e0605f 50%,var(--red) 75%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;animation:sheen 4.5s linear infinite}
@keyframes sheen{to{background-position:-220% 0}}
.hero-sub{margin-top:clamp(22px,3.5vh,34px);max-width:34em;color:var(--ink-soft);font-size:clamp(15px,1.4vw,17px)}
.hero-cta{margin-top:clamp(30px,5vh,48px);display:flex;gap:18px;flex-wrap:wrap}
.hero-sub,.hero-cta{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease) .9s,transform 1s var(--ease) .9s}
.hero-cta{transition-delay:1.15s}
body.ready .hero-sub,body.ready .hero-cta{opacity:1;transform:none}
.scroll-hint{position:absolute;left:var(--pad);bottom:34px;z-index:2;display:flex;align-items:center;gap:12px;font-size:11px;letter-spacing:.3em;color:var(--faint)}
.scroll-hint .wheel{width:1px;height:52px;background:var(--line);position:relative;overflow:hidden}
.scroll-hint .wheel::after{content:"";position:absolute;top:-40%;left:0;width:100%;height:40%;background:var(--red);animation:drop 2.2s var(--ease) infinite}
@keyframes drop{to{top:110%}}
.hero-meta{position:absolute;right:var(--pad);bottom:34px;z-index:2;text-align:right;font-size:11px;letter-spacing:.28em;color:var(--faint);line-height:2.2}

/* ---------- 按钮 ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;gap:10px;
  padding:16px 34px;border-radius:99px;font-size:15px;letter-spacing:.08em;cursor:pointer;border:0;
  transition:transform .4s var(--ease),background .4s,color .4s,box-shadow .4s;will-change:transform;
}
.btn-solid{background:var(--red);color:#fff;font-weight:500;box-shadow:0 0 0 0 rgba(189,30,37,.3)}
.btn-solid:hover{box-shadow:0 12px 42px -8px rgba(189,30,37,.45)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--red);color:var(--red)}
.btn .arr{transition:transform .4s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}

/* ---------- 跑马灯 ---------- */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;overflow:hidden;background:var(--paper-2)}
.marquee-track{display:flex;width:max-content;animation:mq 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{font-family:var(--serif);font-size:clamp(18px,2.4vw,26px);font-weight:600;letter-spacing:.06em;padding:0 26px;white-space:nowrap;color:var(--faint)}
.marquee-track span i{color:var(--red);font-style:normal;padding-right:26px}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- 通用版式 ---------- */
.wrap{max-width:1360px;margin:0 auto;padding:clamp(80px,12vh,150px) var(--pad)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:clamp(44px,7vh,80px);flex-wrap:wrap}
.kicker{display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.35em;color:var(--red);margin-bottom:16px}
.kicker::before{content:"";width:34px;height:2px;background:var(--red)}
.dark .kicker{color:var(--gold)}
.dark .kicker::before{background:var(--gold)}
h2.sec-title{font-family:var(--serif);font-weight:900;font-size:clamp(30px,4.6vw,56px);line-height:1.28}
.sec-note{max-width:26em;color:var(--muted);font-size:14.5px}
.dark .sec-note{color:#b5b5bc}
.reveal{opacity:0;transform:translateY(48px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.12s}
.reveal[data-delay="2"]{transition-delay:.24s}
.reveal[data-delay="3"]{transition-delay:.36s}

/* ---------- 数据 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.dark .stats{border-color:#37373b}
.stat{padding:clamp(30px,4vw,56px) clamp(18px,2vw,40px) clamp(30px,4vw,56px) 0;border-right:1px solid var(--line)}
.dark .stat{border-color:#37373b}
.stat:last-child{border-right:0}
.stat .val{font-family:var(--serif);font-weight:900;font-size:clamp(38px,5vw,72px);line-height:1;font-variant-numeric:tabular-nums}
.stat .val em{color:var(--red);font-style:normal;font-size:.55em;vertical-align:.35em;margin-left:2px}
.dark .stat .val em{color:var(--gold)}
.stat .lab{margin-top:12px;color:var(--muted);font-size:13.5px;letter-spacing:.08em}
.dark .stat .lab{color:#b5b5bc}
@media(max-width:760px){.stats{grid-template-columns:1fr 1fr}.stat{border-bottom:1px solid var(--line);padding-left:8px}}

/* ---------- 服务 ---------- */
.svc{border-top:1px solid var(--line)}
.dark .svc{border-color:#37373b}
.svc-row{
  display:grid;grid-template-columns:80px 1fr 1.1fr 56px;align-items:center;gap:26px;
  padding:clamp(28px,4vw,44px) 0;border-bottom:1px solid var(--line);cursor:pointer;position:relative;
  transition:padding .5s var(--ease);
}
.dark .svc-row{border-color:#37373b}
.svc-row::before{content:"";position:absolute;inset:0;background:var(--paper-2);transform:scaleY(0);transform-origin:bottom;transition:transform .55s var(--ease);z-index:-1}
.dark .svc-row::before{background:var(--ink-2)}
.svc-row:hover::before{transform:scaleY(1)}
.svc-row:hover{padding-left:22px}
.svc-no{font-family:var(--serif);font-size:15px;color:var(--faint);letter-spacing:.1em}
.svc-name{font-family:var(--serif);font-weight:900;font-size:clamp(24px,3.2vw,40px);transition:color .4s}
.svc-row:hover .svc-name{color:var(--red)}
.svc-desc{color:var(--muted);font-size:14.5px}
.dark .svc-desc{color:#b5b5bc}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.svc-tags i{font-style:normal;font-size:12px;color:var(--faint);border:1px solid var(--line);border-radius:99px;padding:3px 12px;letter-spacing:.08em}
.dark .svc-tags i{border-color:#404047}
.svc-arr{width:52px;height:52px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;transition:background .4s,border-color .4s,transform .5s var(--ease)}
.svc-row:hover .svc-arr{background:var(--red);border-color:var(--red);transform:rotate(-45deg)}
.svc-arr svg{transition:stroke .4s}
.svc-row:hover .svc-arr svg{stroke:#fff}
@media(max-width:860px){.svc-row{grid-template-columns:1fr;gap:10px}.svc-arr,.svc-no{display:none}}

/* ---------- 案例 · 粘性堆叠画廊(暗场) ---------- */
.stack-card{
  position:sticky;position:-webkit-sticky;
  top:11svh;height:74svh;border-radius:18px;overflow:hidden;
  border:1px solid #39393e;margin:0 var(--pad) 12svh;
  will-change:transform,filter;
  background:var(--ink-3);
}
.stack-cover{position:absolute;inset:0}
.stack-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(14,12,9,.9),rgba(14,12,9,.15) 55%,rgba(14,12,9,.35))}
.cover-a{background:radial-gradient(120% 130% at 15% 20%,#1d3a6e,transparent 60%),radial-gradient(110% 120% at 85% 80%,#5e2f16,transparent 55%),var(--ink-3)}
.cover-b{background:radial-gradient(130% 110% at 80% 15%,#14523c,transparent 60%),radial-gradient(100% 130% at 20% 90%,#3c1d5e,transparent 55%),var(--ink-3)}
.cover-c{background:radial-gradient(120% 120% at 50% 0%,#6e531d,transparent 55%),radial-gradient(120% 120% at 90% 100%,#1d2f6e,transparent 60%),var(--ink-3)}
.cover-d{background:radial-gradient(140% 120% at 10% 85%,#5e1d2f,transparent 55%),radial-gradient(110% 110% at 90% 10%,#1d4a5e,transparent 60%),var(--ink-3)}
.cover-e{background:radial-gradient(130% 130% at 85% 85%,#2f521d,transparent 55%),radial-gradient(110% 120% at 10% 10%,#2d1d6e,transparent 60%),var(--ink-3)}
.cover-f{background:radial-gradient(120% 140% at 50% 100%,#523d1d,transparent 55%),radial-gradient(120% 110% at 0% 0%,#5e1d50,transparent 60%),var(--ink-3)}
.cover-g{background:radial-gradient(130% 120% at 20% 20%,#1d4a5e,transparent 55%),radial-gradient(120% 130% at 85% 85%,#6e2f1d,transparent 55%),var(--ink-3)}
.cover-h{background:radial-gradient(120% 130% at 80% 20%,#3a1d6e,transparent 55%),radial-gradient(130% 110% at 15% 85%,#1d5e46,transparent 60%),var(--ink-3)}
.cover-shot{background-size:cover;background-position:top center}
.cover-shot::before{content:"";position:absolute;inset:0;background:rgba(14,12,9,.15)}
.cover-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px}
.stack-logo{position:absolute;inset:0;display:grid;place-items:center;padding:10%}
.stack-logo img{max-width:64%;max-height:40%;width:auto;filter:drop-shadow(0 6px 30px rgba(0,0,0,.5))}
.stack-logo.plain img{filter:grayscale(1) brightness(1.7);opacity:.95}
.stack-info{position:absolute;left:clamp(22px,4vw,52px);right:clamp(22px,4vw,52px);bottom:clamp(22px,4vh,44px);z-index:2;display:flex;justify-content:space-between;align-items:flex-end;gap:20px}
.stack-tag{display:inline-block;font-size:11px;letter-spacing:.25em;color:var(--gold);border:1px solid rgba(201,163,95,.4);border-radius:99px;padding:4px 14px;margin-bottom:12px}
.stack-name{font-family:var(--serif);font-weight:900;font-size:clamp(24px,3.6vw,46px);color:#f3f3ef}
.stack-idx{font-family:var(--serif);font-weight:900;font-size:clamp(40px,6vw,84px);color:transparent;-webkit-text-stroke:1px rgba(242,236,221,.35);line-height:1}

/* ---------- 步骤 ---------- */
.steps{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:110px 1fr 2fr;gap:26px;padding:clamp(24px,3.4vw,38px) 0;border-bottom:1px solid var(--line);align-items:baseline}
.step-no{font-family:var(--serif);color:var(--red);font-size:15px;letter-spacing:.12em}
.step-name{font-family:var(--serif);font-weight:900;font-size:clamp(20px,2.6vw,30px)}
.step-desc{color:var(--muted);font-size:14.5px;max-width:52em}
@media(max-width:760px){.step{grid-template-columns:1fr;gap:6px}}

/* ---------- 为什么 ---------- */
.why-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.why-cell{padding:clamp(34px,4.5vw,56px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;overflow:hidden;transition:color .45s}
.why-cell::before{content:"";position:absolute;inset:0;background:var(--ink);transform:translateY(101%);transition:transform .55s var(--ease)}
.why-cell:hover::before{transform:translateY(0)}
.why-cell>*{position:relative;z-index:1;transition:color .45s}
.why-num{font-family:var(--serif);font-size:14px;color:var(--red);letter-spacing:.15em;margin-bottom:16px}
.why-t{font-family:var(--serif);font-weight:900;font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.why-d{color:var(--muted);font-size:14.5px}
.why-cell:hover .why-t{color:#f3f3ef}
.why-cell:hover .why-d{color:#b5b5bc}
.why-cell:hover .why-num{color:var(--gold)}
@media(max-width:760px){.why-grid{grid-template-columns:1fr}}

/* ---------- 观点 ---------- */
.news{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:130px 1fr auto;gap:26px;align-items:center;padding:clamp(22px,3vw,32px) 0;border-bottom:1px solid var(--line);transition:padding .45s var(--ease)}
.news-item:hover{padding-left:18px}
.news-date{font-size:13px;color:var(--faint);letter-spacing:.1em;font-variant-numeric:tabular-nums}
.news-title{font-family:var(--serif);font-weight:600;font-size:clamp(17px,2vw,23px);position:relative;width:fit-content}
.news-title::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:100%;background:var(--red);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.news-item:hover .news-title::after{transform:scaleX(1);transform-origin:left}
.news-cat{font-size:12px;letter-spacing:.2em;color:var(--red);border:1px solid var(--line);padding:5px 14px;border-radius:99px;white-space:nowrap}
@media(max-width:700px){.news-item{grid-template-columns:1fr;gap:6px}.news-cat{width:fit-content}}

/* ---------- 客户 logo 墙(暗场) ---------- */
.logo-wall{padding:clamp(40px,6vh,64px) 0;border-top:1px solid #37373b;border-bottom:1px solid #37373b;overflow:hidden}
.logo-wall .lw-track{display:flex;align-items:center;gap:clamp(40px,5vw,80px);width:max-content;animation:mq 36s linear infinite;padding:10px 0}
.logo-wall:hover .lw-track{animation-play-state:paused}
.lw-item{flex-shrink:0;display:grid;place-items:center;height:64px}
.lw-item img{max-height:52px;max-width:180px;width:auto;filter:grayscale(1) brightness(1.5);opacity:.55;transition:filter .45s,opacity .45s,transform .45s var(--ease)}
.lw-item:hover img{filter:none;opacity:1;transform:scale(1.1)}

/* ---------- CTA ---------- */
.cta-inner{text-align:center}
.cta-title{font-family:var(--serif);font-weight:900;font-size:clamp(40px,8vw,100px);line-height:1.22}
.cta-title .red{color:var(--red)}
.cta-sub{color:var(--muted);margin:22px auto 40px;max-width:32em}
.cta-contact{margin-top:70px;display:flex;justify-content:center;gap:clamp(24px,5vw,70px);flex-wrap:wrap;color:var(--muted);font-size:14px}
.cta-contact b{display:block;color:var(--ink);font-weight:500;font-size:17px;margin-top:4px;font-variant-numeric:tabular-nums}

/* ---------- 页脚(暗场) ---------- */
footer{background:var(--ink);color:#f3f3ef;border-top:1px solid #37373b;padding:44px var(--pad) 34px}
.foot-grid{max-width:1360px;margin:0 auto;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:900;font-size:22px}
.foot-brand img{width:36px;height:36px}
.foot-brand em{color:var(--gold);font-style:normal}
.foot-col{font-size:13.5px;color:#b5b5bc;line-height:2.2}
.foot-col b{color:#f3f3ef;font-weight:500;display:block;margin-bottom:2px;letter-spacing:.1em}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{max-width:1360px;margin:34px auto 0;padding-top:22px;border-top:1px solid #37373b;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:#aaaab0}

/* ---------- 悬浮 ---------- */
.float-consult{
  position:fixed;right:26px;bottom:26px;z-index:90;width:60px;height:60px;border-radius:50%;
  background:var(--red);color:#fff;display:grid;place-items:center;cursor:pointer;border:0;
  box-shadow:0 10px 34px -6px rgba(189,30,37,.5);transition:transform .4s var(--ease);
}
.float-consult:hover{transform:scale(1.08)}
.float-consult::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(189,30,37,.5);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{transform:scale(.9);opacity:1}100%{transform:scale(1.5);opacity:0}}
.progress-top{position:fixed;top:0;left:0;height:2px;width:0;background:var(--red);z-index:130}

/* ---------- 内页页头 ---------- */
.page-hero{
  min-height:62svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding:150px var(--pad) clamp(40px,7vh,80px);position:relative;overflow:hidden;
}
.page-hero .bg-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(25,25,27,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(25,25,27,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 70% 10%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(120% 90% at 70% 10%,#000 30%,transparent 75%);
}
.page-hero .glow{position:absolute;width:52vw;height:52vw;border-radius:50%;filter:blur(110px);opacity:.16;background:var(--red);top:-22vw;right:-12vw;animation:drift 14s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate(-8vw,6vw) scale(1.15)}}
.page-hero .inner{position:relative;max-width:1360px;margin:0 auto;width:100%}
.page-hero .crumb{font-size:12px;letter-spacing:.3em;color:var(--faint);margin-bottom:22px}
.page-hero .crumb a:hover{color:var(--red)}
.page-hero h1{font-family:var(--serif);font-weight:900;font-size:clamp(42px,8.5vw,104px);line-height:1.15;letter-spacing:.02em}
.page-hero h1 .row{display:block;overflow:hidden}
.page-hero h1 .ch{display:inline-block;transform:translateY(115%);transition:transform 1s var(--ease)}
.page-hero h1 .red .ch{color:transparent;background:linear-gradient(100deg,var(--red) 25%,#e0605f 50%,var(--red) 75%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;animation:sheen 4.5s linear infinite}
.page-hero .sub{margin-top:24px;max-width:36em;color:var(--muted);font-size:clamp(14px,1.3vw,16.5px);opacity:0;transform:translateY(20px);transition:opacity .9s var(--ease) .8s,transform .9s var(--ease) .8s}
body.ready .page-hero .sub{opacity:1;transform:none}

/* ---------- 关于页 ---------- */
.about-statement{padding:clamp(90px,14vh,170px) var(--pad);max-width:1100px;margin:0 auto}
.about-statement p{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3.6vw,44px);line-height:1.6}
.about-statement p em{color:var(--red);font-style:normal}
.about-statement .sig{margin-top:40px;color:var(--faint);font-size:13px;letter-spacing:.3em}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.value-card{background:var(--paper);padding:clamp(30px,4vw,52px);position:relative;overflow:hidden;transition:background .5s}
.value-card:hover{background:var(--paper-2)}
.value-card .big{font-family:var(--serif);font-weight:900;font-size:clamp(56px,7vw,96px);line-height:1;color:transparent;-webkit-text-stroke:1px var(--faint);transition:color .5s,-webkit-text-stroke .5s}
.value-card:hover .big{color:var(--red);-webkit-text-stroke:1px var(--red)}
.value-card h4{font-family:var(--serif);font-size:20px;margin:22px 0 10px}
.value-card p{color:var(--muted);font-size:14px}
@media(max-width:760px){.values{grid-template-columns:1fr}}
.offices{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px)}
.office{border:1px solid var(--line);border-radius:14px;padding:clamp(26px,3vw,40px);position:relative;overflow:hidden;transition:border-color .4s,transform .5s var(--ease)}
.office:hover{border-color:var(--red);transform:translateY(-6px)}
.office .city{font-family:var(--serif);font-weight:900;font-size:clamp(28px,3.4vw,42px)}
.office .role{color:var(--red);font-size:12px;letter-spacing:.3em;margin:6px 0 14px}
.office p{color:var(--muted);font-size:13.5px}
@media(max-width:760px){.offices{grid-template-columns:1fr}}
.htimeline-wrap{position:relative;height:260vh;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2)}
.htimeline{display:flex;width:max-content;padding:clamp(50px,8vh,90px) var(--pad);will-change:transform}
.ht-item{width:clamp(280px,32vw,420px);flex-shrink:0;padding-right:clamp(30px,4vw,60px);position:relative}
.ht-item::before{content:"";position:absolute;left:0;top:56px;width:100%;height:1px;background:var(--line)}
.ht-item::after{content:"";position:absolute;left:0;top:51px;width:11px;height:11px;border-radius:50%;background:var(--red);box-shadow:0 0 12px rgba(189,30,37,.6)}
.ht-item .yr{font-family:var(--serif);font-weight:900;font-size:clamp(40px,5vw,64px);color:var(--red);line-height:1;padding-bottom:34px}
.ht-item h5{font-family:var(--serif);font-size:19px;margin-bottom:8px}
.ht-item p{color:var(--muted);font-size:13.5px;max-width:30em}

/* ---------- 案例库页 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:clamp(34px,5vh,54px)}
.chip{font-size:13px;letter-spacing:.1em;color:var(--muted);border:1px solid var(--line);background:transparent;border-radius:99px;padding:8px 20px;cursor:pointer;transition:all .35s}
.chip:hover{color:var(--ink);border-color:var(--faint)}
.chip.active{background:var(--red);border-color:var(--red);color:#fff;font-weight:500}
.archive-count{color:var(--faint);font-size:13px;letter-spacing:.15em;margin-bottom:20px;font-variant-numeric:tabular-nums}
.archive{border-top:1px solid var(--line)}
.arc-item{display:grid;grid-template-columns:70px 1fr auto;gap:22px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);transition:padding .4s var(--ease)}
.arc-item:hover{padding-left:16px}
.arc-no{font-family:var(--serif);color:var(--faint);font-size:14px}
.arc-name{font-family:var(--serif);font-weight:600;font-size:clamp(17px,2vw,24px);position:relative;width:fit-content;max-width:100%}
.arc-name::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:100%;background:var(--red);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.arc-item:hover .arc-name::after{transform:scaleX(1);transform-origin:left}
.arc-cats{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.arc-cats i{font-style:normal;font-size:11px;color:var(--faint);border:1px solid var(--line);border-radius:99px;padding:3px 10px;letter-spacing:.06em;white-space:nowrap}
.arc-item.hide{display:none}
@media(max-width:700px){.arc-item{grid-template-columns:1fr;gap:4px}.arc-cats{justify-content:flex-start}}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal,.hero-sub,.hero-cta,.page-hero .sub{opacity:1!important;transform:none!important}
  h1.hero-title .ch,.page-hero h1 .ch{transform:none!important}
  .marquee-track,.logo-wall .lw-track{animation:none!important}
}

/* 暗场内 why-cell 适配 */
.dark .why-t{color:#f3f3ef}
.dark .why-d{color:#b5b5bc}
.dark .why-num{color:var(--gold)}
.dark .why-cell::before{background:var(--red)}
.dark .why-cell:hover .why-t{color:#fff}
.dark .why-cell:hover .why-d{color:#f6e7e8}

.dark .office{border-color:#39393e}
.dark .office p{color:#b5b5bc}
.dark .office:hover{border-color:var(--gold)}