/* 宽屏网页端：沿用设计系统令牌，仅把小程序字号刻度放大到桌面尺度 */
:root{
  --fs-mega:clamp(48px,5.6vw,84px);--fs-display:clamp(36px,3.4vw,52px);--fs-h1:clamp(28px,2.4vw,38px);
  --fs-h2:26px;--fs-h3:19px;--fs-body:16px;--fs-body-sm:14px;--fs-caption:13px;--fs-micro:12px;
  --page:1280px;--gut:40px;--navh:76px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--text-body);font:var(--type-body);-webkit-font-smoothing:antialiased}
a{color:var(--text-link);text-decoration:none}
a:hover{color:var(--text-link-hover)}
img{display:block;max-width:100%}
.wrap{max-width:var(--page);margin:0 auto;padding:0 var(--gut)}
.eyebrow{font:500 var(--fs-micro)/1 var(--font-latin);letter-spacing:var(--ls-label);text-transform:uppercase;color:var(--text-faint)}
.serif{font-family:var(--font-heading)}
.mega{font:900 var(--fs-mega)/1.08 var(--font-heading);letter-spacing:-.02em;color:var(--text-title);margin:0}
.h1{font:900 var(--fs-h1)/1.24 var(--font-heading);color:var(--text-title);margin:0}
.h2{font:700 var(--fs-h2)/1.3 var(--font-heading);color:var(--text-title);margin:0}
.h3{font:600 var(--fs-h3)/1.4 var(--font-core);color:var(--text-title);margin:0}
.lede{font:400 18px/1.75 var(--font-core);color:var(--text-body);letter-spacing:.01em;margin:0}
.small{font:400 var(--fs-body-sm)/1.6 var(--font-core);color:var(--text-muted)}
.num{font-family:var(--font-latin);font-variant-numeric:tabular-nums}
.sec{padding:96px 0}
.sec-tight{padding:64px 0}
.grey{background:var(--surface-page)}
.hr{height:1px;background:var(--border-hairline);border:0;margin:0}
.tick{display:inline-block;width:36px;height:3px;background:var(--brand)}
/* 顶部导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-hairline)}
.nav-in{height:var(--navh);display:flex;align-items:center;gap:36px;max-width:var(--page);margin:0 auto;padding:0 var(--gut)}
.nav-logo{display:flex;align-items:center;gap:12px;cursor:pointer}
.nav-logo img{width:38px;height:38px}
.nav-name{font:700 17px/1.15 var(--font-heading);color:var(--text-title);letter-spacing:.02em}
.nav-sub{font:400 10px/1.2 var(--font-latin);letter-spacing:.14em;text-transform:uppercase;color:var(--text-faint)}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-link{white-space:nowrap;position:relative;padding:0 18px;height:var(--navh);display:flex;align-items:center;font:500 15px/1 var(--font-core);color:var(--text-body);background:none;border:0;cursor:pointer;letter-spacing:.04em}
.nav-link:hover{color:var(--text-title)}
.nav-link::after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease,cubic-bezier(.2,.8,.3,1))}
.nav-link.on{color:var(--text-title);font-weight:700}
.nav-link.on::after{transform:scaleX(1)}
.nav-tel{display:flex;align-items:center;gap:8px;font:600 15px/1 var(--font-latin);color:var(--brand);letter-spacing:.02em;padding-left:20px;border-left:1px solid var(--border-hairline);height:24px}
/* 通用块 */
.grid-lines{display:grid;border-top:1px solid var(--border-hairline);border-left:1px solid var(--border-hairline)}
.cell{border-right:1px solid var(--border-hairline);border-bottom:1px solid var(--border-hairline);display:flex;align-items:center;justify-content:center;padding:22px;min-height:104px;background:var(--white);transition:background 200ms cubic-bezier(.2,.8,.3,1)}
.cell:hover{background:var(--grey-25)}
.cell img{max-height:38px;width:auto;object-fit:contain;filter:none;opacity:1;transition:transform 240ms cubic-bezier(.2,.8,.3,1)}
.cell:hover img{transform:scale(1.04)}
.cell-text{font:500 15px/1.3 var(--font-core);color:var(--text-body);letter-spacing:.06em;text-align:center}
.band{background:var(--grad-brand);color:#fff}
.photo{position:relative;overflow:hidden;background:var(--grey-100)}
.photo img{width:100%;height:100%;object-fit:cover;transition:transform 680ms cubic-bezier(.2,.8,.3,1)}
.photo-zoom:hover img{transform:scale(1.04)}
.scrim{position:absolute;inset:0;background:var(--scrim-photo)}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;scrollbar-width:thin}
.rail>*{scroll-snap-align:start;flex:0 0 auto}
.rail::-webkit-scrollbar{height:3px}
.rail::-webkit-scrollbar-thumb{background:var(--grey-300)}
.rail::-webkit-scrollbar-track{background:var(--grey-100)}
.kv{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--border-hairline);font-size:var(--fs-body-sm)}
.kv dt{flex:0 0 132px;color:var(--text-muted);margin:0}
.kv dd{margin:0;color:var(--text-title)}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 12px;border:1px solid var(--border-hairline);font:400 var(--fs-caption)/1 var(--font-core);color:var(--text-body);letter-spacing:.02em}
.filter{display:flex;gap:0;border-bottom:1px solid var(--border-hairline)}
.filter button{appearance:none;background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-1px;padding:18px 22px 16px;font:500 16px/1 var(--font-core);color:var(--text-muted);cursor:pointer;letter-spacing:.06em}
.filter button:hover{color:var(--text-title)}
.filter button.on{color:var(--text-title);font-weight:700;border-bottom-color:var(--brand)}
.ph{border:1px dashed var(--border-strong);background:var(--grey-25);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text-faint);font:400 var(--fs-caption)/1.5 var(--font-core);text-align:center;padding:20px}
.foot{background:var(--grey-900);color:var(--grey-400);padding:64px 0 32px}
.foot a{color:var(--grey-300)}
.foot a:hover{color:#fff}
.foot-h{font:700 15px/1 var(--font-heading);color:#fff;letter-spacing:.04em;margin:0 0 18px}
.foot-li{display:block;background:none;border:0;padding:6px 0;font:400 14px/1.6 var(--font-core);color:var(--grey-400);cursor:pointer;text-align:left}
.foot-li:hover{color:#fff}
/* ICP 备案号（工信部要求展示于底部并链接备案系统） */
a.foot-icp{font:inherit;color:var(--grey-500);text-decoration:none;transition:color .2s}
a.foot-icp:hover{color:#fff}
@keyframes yrIn{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes bodyIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pgIn{from{opacity:0}to{opacity:1}}
.yr-in{animation:yrIn 460ms cubic-bezier(.2,.8,.3,1) both}
.yr-body{animation:bodyIn 420ms cubic-bezier(.2,.8,.3,1) both}
.pg-in{animation:pgIn 320ms cubic-bezier(.2,.8,.3,1) both}
@media(max-width:1180px){.nav-link{padding:0 12px;font-size:14px}.nav-link::after{left:12px;right:12px}.nav-tel{font-size:14px;padding-left:14px}}
@media(max-width:900px){:root{--gut:20px}.nav-links{display:none}.sec{padding:64px 0}}
/* 首屏：铺满视口，文案垂直居中；短屏/窄屏收缩内边距与字号 */
.hero-sec{min-height:100svh}
.hero-wrap{padding:96px var(--gut)}
.hero-sec .hero-bgwrap{position:absolute;inset:-10% 0;overflow:hidden}
.hero-sec .hero-bgwrap>*{will-change:translate,scale,opacity}
.hero-mark{position:absolute;right:5vw;top:50%;transform:translateY(-50%);width:clamp(300px,32vw,520px);pointer-events:none}
.hero-mark img{display:block;width:100%;aspect-ratio:1;height:auto;object-fit:contain;opacity:.11}
/* 差分入场：全部自左平移，标题带左→右擦开（首屏与内页页头共用） */
.fx .hxi{opacity:0;transform:translateX(var(--dx,-48px));will-change:transform,translate,opacity}
.fx.play .hxi{opacity:1;transform:none;transition:opacity var(--dur,620ms) var(--ease-standard) var(--d,0ms),transform var(--dur,760ms) var(--ease-standard) var(--d,0ms)}
.fx .hx-mask{clip-path:inset(0 100% 0 0)}
.fx.play .hx-mask{clip-path:inset(0 -6% 0 0);transition:opacity 620ms var(--ease-standard) var(--d,0ms),transform 760ms var(--ease-standard) var(--d,0ms),clip-path 880ms var(--ease-standard) var(--d,0ms)}
.fx .hx-zoom{transform:scale(1.12)}
.fx.play .hx-zoom{transform:none;transition:transform 1500ms var(--ease-standard)}
.fx .hx-mark{opacity:0;transform:translateX(-110px) scale(1.06)}
.fx.play .hx-mark{opacity:.11;transform:none;transition:opacity 1000ms var(--ease-standard) 220ms,transform 1400ms var(--ease-standard) 160ms}
.fx.settled .hxi,.fx.settled .hx-mask,.fx.settled .hx-zoom,.fx.settled .hx-mark{transition:none!important}
/* 内页页头：与首屏同一套分层与动效，画面更足 */
.pagehero{min-height:clamp(420px,54svh,620px);display:flex;align-items:center}
.pagehero .ph-photo{will-change:translate,scale}
.ph-mark{position:absolute;right:5vw;top:50%;transform:translateY(-50%);width:clamp(240px,25vw,400px);pointer-events:none;will-change:translate,opacity}
.ph-mark img{display:block;width:100%;aspect-ratio:1;object-fit:contain;opacity:.11}
@media (max-height:820px),(max-width:1100px){.hero-wrap{padding:64px var(--gut)}.hero-copy{max-width:min(78%,820px)!important}}
@media (max-height:700px),(max-width:900px){.hero-wrap{padding:44px var(--gut)}.hero-copy{max-width:100%!important}.hero-sec .mega{font-size:clamp(34px,5.4vw,56px)}}
@media (prefers-reduced-motion:reduce){.fx .hxi,.fx .hx-mask,.fx .hx-zoom{opacity:1!important;transform:none!important;clip-path:none!important}.fx .hx-mark{opacity:.11!important;transform:none!important}}

/* 发展历程：年份索引 + 内容面板 */
.tl-grid{margin-top:40px;display:grid;grid-template-columns:264px minmax(0,1fr);border-top:1px solid var(--border-hairline)}
.tl-rail{border-right:1px solid var(--border-hairline)}
.tl-row{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:baseline;gap:12px;width:100%;padding:15px 22px 15px 16px;appearance:none;background:none;border:0;border-bottom:1px solid var(--border-hairline);cursor:pointer;text-align:left;transition:background 160ms cubic-bezier(.2,.8,.3,1)}
.tl-row::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);width:3px;height:20px;background:var(--brand);transition:transform 260ms cubic-bezier(.2,.8,.3,1)}
.tl-row:hover{background:rgba(255,255,255,.72)}
.tl-row.on{background:#fff}
.tl-row.on::before{transform:translateY(-50%) scaleY(1)}
.tl-y{font:700 15px/1 var(--font-latin);letter-spacing:.02em;color:var(--text-faint);transition:color 160ms linear}
.tl-row.on .tl-y,.tl-row:hover .tl-y{color:var(--text-title)}
.tl-t{font:400 13px/1.4 var(--font-core);color:var(--text-faint);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color 160ms linear}
.tl-row.on .tl-t{color:var(--text-body)}
.tl-panel{padding:34px 0 0 56px;display:flex;flex-direction:column;min-height:420px}
.tl-stage{flex:1}
.tl-big{font:900 clamp(96px,13vw,196px)/0.84 var(--font-latin);letter-spacing:-.045em;color:var(--text-title)}
.tl-copy{margin-top:26px}
.tl-tag{display:inline-flex;height:26px;align-items:center;padding:0 11px;background:var(--brand);color:#fff;font:600 12px/1 var(--font-core);letter-spacing:.12em}
.tl-h{margin:18px 0 0;font:900 clamp(24px,2.4vw,38px)/1.3 var(--font-heading);color:var(--text-title)}
.tl-foot{display:flex;align-items:center;gap:20px;margin-top:32px;padding:16px 0 4px;border-top:1px solid var(--border-hairline)}
.tl-bar{flex:1;height:3px;background:var(--border-hairline)}
.tl-bar i{display:block;height:100%;background:var(--brand);transition:width 300ms cubic-bezier(.2,.8,.3,1)}
.tl-count{flex:0 0 auto;letter-spacing:.04em}
.tl-nav{width:40px;height:40px;display:grid;place-items:center;appearance:none;background:#fff;border:1px solid var(--border-hairline);color:var(--text-body);cursor:pointer;transition:background 120ms linear,color 120ms linear,border-color 120ms linear}
.tl-nav:hover:not(:disabled){background:var(--brand);border-color:var(--brand);color:#fff}
.tl-nav:disabled{color:var(--grey-300);cursor:default}
@media(max-width:900px){
.tl-grid{grid-template-columns:1fr}
.tl-rail{display:flex;gap:0;overflow-x:auto;border-right:0;border-bottom:1px solid var(--border-hairline);scrollbar-width:none}
.tl-rail::-webkit-scrollbar{display:none}
.tl-row{flex:0 0 auto;display:block;padding:12px 18px;border-bottom:0;border-right:1px solid var(--border-hairline)}
.tl-row::before{left:0;right:0;top:0;bottom:auto;width:auto;height:3px;transform:scaleX(0)}
.tl-row.on::before{transform:scaleX(1)}
.tl-t{display:none}
.tl-panel{padding:28px 0 0;min-height:0}
.tl-foot{flex-wrap:wrap}
}

/* 团队与办公相册：循环轮播 */
.al-stage{position:relative;margin-top:36px;overflow:hidden}
.al-card{position:absolute;left:50%;top:0;margin:0;transform-origin:50% 42%;cursor:pointer}
.al-card.on{cursor:default}
.al-ph{position:relative;width:100%}
.al-ph::after{content:"";position:absolute;inset:0;border:1px solid rgba(0,0,0,.06);pointer-events:none}
.al-card.on .al-ph{box-shadow:0 14px 40px rgba(18,18,19,.16)}
.al-cap{margin-top:12px;display:flex;gap:10px;align-items:center;color:var(--text-muted)}
.al-cap .num{font:600 11px/1 var(--font-latin);letter-spacing:.1em;color:var(--grey-300)}
.al-card.on .al-cap{color:var(--text-title)}
.al-card.on .al-cap .num{color:var(--brand)}
.al-stage{cursor:grab;touch-action:pan-y}
.al-stage.dragging{cursor:grabbing}
.al-stage.dragging .al-card{transition:none!important}
/* 案例现场实拍：循环滑动展示 */
.kp-stage{position:relative;overflow:hidden;cursor:grab;touch-action:pan-y}
.kp-stage.dragging{cursor:grabbing}
.kp-stage.dragging .kp-card{transition:none!important}
.kp-card{position:absolute;left:50%;top:0;margin:0}
.kp-ph{position:relative;width:100%;overflow:hidden;background:var(--grey-100)}
.kp-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.kp-ph::after{content:"";position:absolute;inset:0;border:1px solid rgba(0,0,0,.06)}
.kp-card.on .kp-ph{box-shadow:0 14px 40px rgba(18,18,19,.16)}
.kp-dots{display:flex;gap:6px;align-items:center;margin-top:22px}
.kp-dot{appearance:none;border:0;padding:0;width:26px;height:3px;background:var(--grey-200);cursor:pointer;transition:background 200ms var(--ease-standard)}
.kp-dot.on{background:var(--brand)}

@keyframes caseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.case-in{animation:caseIn 420ms cubic-bezier(.2,.8,.3,1) both}

/* 精选案例：深色满幅带 */
.case-band{--band-line:rgba(255,255,255,.14);--band-line-hi:rgba(255,255,255,.28);--band-text:rgba(255,255,255,.72);--band-faint:rgba(255,255,255,.5);position:relative;overflow:hidden;padding:96px 0 72px;background:linear-gradient(180deg,var(--grey-800) 0%,var(--grey-900) 62%)}
.case-wm{position:absolute;right:-2vw;top:6px;font:900 clamp(120px,17vw,260px)/.82 var(--font-display,var(--font-heading));color:rgba(255,255,255,.05);letter-spacing:-.02em;pointer-events:none;z-index:1}
.cs-stage{position:relative;margin:44px 0 28px;z-index:2}
.cs-card{position:absolute;left:50%;top:0;margin:0;overflow:hidden;background:var(--grey-900);transform-origin:50% 50%;cursor:pointer}
.cs-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 700ms cubic-bezier(.2,.8,.3,1)}
.cs-card::before{content:"";position:absolute;inset:0;z-index:1;background:var(--grey-900);opacity:.62;transition:opacity 420ms cubic-bezier(.2,.8,.3,1)}
.cs-card.on::before{opacity:0}
.cs-card.on:hover img{transform:scale(1.04)}
.cs-veil{position:absolute;inset:0;z-index:1;background:var(--scrim-photo);opacity:0;transition:opacity 420ms cubic-bezier(.2,.8,.3,1)}
.cs-card.on .cs-veil{opacity:1}
.cs-card.on::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--brand);z-index:3}
.cs-meta{position:absolute;left:36px;right:36px;bottom:32px;z-index:2}
.cs-ticks{display:flex;gap:6px;align-items:center}
.cs-tick{appearance:none;flex:1;height:3px;border:0;padding:0;background:var(--band-line);cursor:pointer;transition:background 220ms cubic-bezier(.2,.8,.3,1)}
.cs-tick:hover{background:var(--band-line-hi)}
.cs-tick.on{background:var(--brand)}
.cs-all{appearance:none;background:var(--brand);color:var(--text-on-brand);border:0;padding:0 24px;height:48px;display:inline-flex;align-items:center;gap:10px;font:500 15px/1 var(--font-core);letter-spacing:.06em;cursor:pointer;transition:background 160ms cubic-bezier(.2,.8,.3,1),transform 120ms cubic-bezier(.2,.8,.3,1)}
.cs-all:hover{background:var(--brand-strong)}
.cs-all:active{transform:translateY(1px)}
@media (max-width:760px){.case-band{padding:64px 0 56px}.cs-meta{left:20px;right:20px;bottom:22px}}

/* 业务段：整段自适应窗口高度，跳转后一屏看全 */
.biz-sec{min-height:calc(100svh - 128px);display:flex;flex-direction:column}
.biz-body{flex:1;display:flex;flex-direction:column;padding:clamp(26px,4vh,52px) 0 clamp(18px,2.6vh,32px)}
.biz-grid{display:grid;gap:14px;margin-top:clamp(18px,2.8vh,28px);flex:1;min-height:0;grid-auto-rows:minmax(104px,1fr)}
.biz-grid>*{display:flex;min-height:0}
.biz-photo{position:relative;flex:none;height:clamp(150px,23vh,232px);overflow:hidden}
@media (max-width:1100px){.biz-sec{min-height:0}.biz-grid{grid-auto-rows:auto}}

/* ---------- 手机端底部标签栏 / 折叠件（全局定义，手机端才显示） ---------- */
.tabbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-top:1px solid var(--border-hairline);padding-bottom:env(safe-area-inset-bottom)}
.tab{flex:1;min-height:56px;appearance:none;background:none;border:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;position:relative;font:500 11px/1 var(--font-core);letter-spacing:.06em;color:var(--text-faint);text-decoration:none;cursor:pointer}
.tab.on{color:var(--brand)}
.tab.on::before{content:"";position:absolute;top:0;left:14px;right:14px;height:2px;background:var(--brand)}
.tab-call,.tab-call:hover{background:var(--brand);color:var(--white)}
.fold-veil{position:absolute;left:0;right:0;bottom:0;height:72px;background:linear-gradient(180deg,rgba(255,255,255,0) 0%,var(--white) 78%);pointer-events:none}
.grey .fold-veil{background:linear-gradient(180deg,rgba(248,249,250,0) 0%,var(--surface-page) 78%)}
.fold-btn{margin-top:16px;width:100%;height:46px;display:flex;align-items:center;justify-content:center;gap:8px;appearance:none;background:var(--white);border:1px solid var(--border-strong);font:500 14px/1 var(--font-core);letter-spacing:.08em;color:var(--text-title);cursor:pointer}
.fold-btn:active{background:var(--grey-25)}
.biz-stick{position:sticky;top:var(--navh);z-index:20;background:var(--white);border-bottom:1px solid var(--border-hairline)}


/* ---------- Tweaks：气质 / 红的用量 / 影像 ---------- */
/* 气质：字号刻度、段落呼吸、红短线与水印的分量 */
[data-feel="calm"]{--fs-mega:clamp(38px,4.4vw,62px);--fs-h1:clamp(24px,2vw,32px);--fs-h2:23px}
[data-feel="calm"] .sec{padding:72px 0}
[data-feel="calm"] .sec-tight{padding:52px 0}
[data-feel="calm"] .tick{width:24px;height:2px}
[data-feel="calm"] .case-band{padding:72px 0 56px}
[data-feel="calm"] .case-wm{font-size:clamp(90px,11vw,160px)}
[data-feel="calm"] .lede{font-size:16px}
[data-feel="loud"]{--fs-mega:clamp(56px,7.2vw,108px);--fs-h1:clamp(32px,3.1vw,48px);--fs-h2:30px}
[data-feel="loud"] .sec{padding:128px 0}
[data-feel="loud"] .sec-tight{padding:84px 0}
[data-feel="loud"] .tick{width:56px;height:4px}
[data-feel="loud"] .case-band{padding:124px 0 88px}
[data-feel="loud"] .case-wm{font-size:clamp(170px,23vw,360px);color:rgba(255,255,255,.085)}
[data-feel="loud"] .lede{font-size:19px}
[data-feel="calm"] .m-sec{padding:26px var(--mgut)}
[data-feel="calm"] .m-h1{font-size:clamp(31px,8.6vw,38px)}
[data-feel="loud"] .m-sec{padding:46px var(--mgut)}
[data-feel="loud"] .m-h1{font-size:clamp(44px,13vw,58px)}
/* 红的用量 —— 点睛：红只留在按钮与短线，大面积改墨色 */
[data-red="accent"] .hero-bgwrap,[data-red="accent"] .pagehero,[data-red="accent"] .m-hero{background:linear-gradient(160deg,var(--grey-800) 0%,var(--grey-900) 100%)!important}
[data-red="accent"] .m-hero-veil{background:linear-gradient(178deg,rgba(12,12,13,.42) 0%,rgba(12,12,13,.86) 100%)!important}
[data-red="accent"] .cta-band,[data-red="accent"] .stat-band{background:var(--grey-900)!important}
/* 满版：灰底换成红晕，深色带换成正红 */
[data-red="full"] .grey,[data-red="full"] .m-sec.grey{background:var(--grad-brand-soft)!important}
[data-red="full"] .case-band,[data-red="full"] .ink,[data-red="full"] .m-sec.dark{background:var(--grad-brand)!important}
[data-red="full"] .case-wm{color:rgba(255,255,255,.14)}
[data-red="full"] .cs-card::before{background:var(--red-900)}
/* 影像 —— 纪实彩色 / 高对比墨调 */
[data-img="color"] .hero-photo,[data-img="color"] .ph-photo,[data-img="color"] .m-hero-bg{filter:saturate(1.02)!important;mix-blend-mode:normal!important;opacity:.52!important}
[data-img="color"] .photo img,[data-img="color"] .cs-card img{filter:saturate(1.06)!important}
[data-img="ink"] .hero-photo,[data-img="ink"] .ph-photo,[data-img="ink"] .m-hero-bg{filter:grayscale(1) contrast(1.34) brightness(.74)!important;mix-blend-mode:luminosity!important;opacity:.92!important}
[data-img="ink"] .photo img,[data-img="ink"] .cs-card img,[data-img="ink"] .m-card-ph img,[data-img="ink"] .m-feed-ph img,[data-img="ink"] .m-shot img,[data-img="ink"] .biz-photo img{filter:grayscale(1) contrast(1.16) brightness(.96)!important}

/* 主题彩蛋提示 */
.theme-toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%);z-index:70;display:flex;align-items:center;gap:12px;padding:14px 20px;background:var(--white);border:1px solid var(--border-strong);box-shadow:var(--sh-card);animation:pgIn 220ms cubic-bezier(.2,.8,.3,1) both}
.theme-toast b{font:700 15px/1 var(--font-heading);color:var(--text-title);letter-spacing:.04em}
.theme-toast span:last-child{font:400 12px/1 var(--font-core);color:var(--text-faint)}
.nav-logo:active{transform:translateY(1px)}
.mob-mark{cursor:pointer}
@media(max-width:760px){.theme-toast{bottom:calc(70px + env(safe-area-inset-bottom));padding:12px 16px}}