/* 工业风字体系统：重黑 CJK 无衬线(Noto Sans SC Heavy) + 宽体重拉丁大写(Oswald) + 等宽技术标注(Space Mono)。
   软衬线 FZ 珍珠已移除——圆润弹性体与工业寄存器彻底不兼容。 */
/* ============ TOKENS ============ */
:root{
  /* 颜色构成：近黑底(以暗为介质) + 近白字(极大对比) + 单一高饱和黄仅作标点(<5%面积) + 蓝/绿/红为 HUD 功能状态色 */
  --bg:#0B0B0C; --surface:#131417; --surface-2:#1A1C20;
  --text:#EDEDED; --text-soft:#8B8C91; --border:#232529;
  --accent:#F2C43D; --accent-soft:rgba(242,196,61,.14);
  --info:#3DA3E0; --ok:#39D47E; --danger:#FF5C6E;
  --r-card:6px; --r-input:4px; --r-pill:4px;
  --maxw:1280px; --nav-h:68px; --sb-w:240px; --sb-w-collapsed:14px; --sb-w-expanded:240px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --ease:cubic-bezier(.16,1,.3,1);
  --font-display:'Noto Sans SC',sans-serif;
  --font-body:'Noto Sans SC',sans-serif;
  --font-latin:'Oswald','Noto Sans SC',sans-serif;
  --font-mono:'Space Mono',monospace;
  --line:rgba(141,142,145,.16);            /* 技术网格 / HUD 线（中性，greytone） */
  --caution:#F2C43D;                       /* 单一高纯警示色，极克制使用 */
  --hud:rgba(242,196,61,.5);
}
[data-theme="light"]{
  --bg:#F4F4F2; --surface:#FFFFFF; --surface-2:#ECECEA;
  --text:#141416; --text-soft:#6A6B70; --border:#DADAD6;
  --accent:#D9A521; --accent-soft:rgba(217,165,33,.14);
  --info:#2B86C4; --ok:#23B26A; --danger:#E0455A;
  --shadow:0 18px 50px rgba(20,20,24,.10);
  --line:rgba(106,107,112,.20);
  --caution:#D9A521;
  --hud:rgba(217,165,33,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);font-weight:400;font-size:17px;line-height:1.78;letter-spacing:-.01em;
  background:var(--bg);color:var(--text);
  -webkit-font-smoothing:antialiased;
  transition:background .4s var(--ease),color .4s var(--ease);
  overflow-x:hidden;
  padding-left:var(--sb-w);
  transition:padding-left .3s var(--ease);
}
html.sidebar-collapsed{--sb-w:var(--sb-w-collapsed)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:'Space Mono',monospace;font-size:11px;font-weight:400;letter-spacing:.18em;text-transform:uppercase;color:var(--text-soft)}
.accent{color:var(--accent)}
h1,h2,h3,.brand{font-family:var(--font-display);letter-spacing:-.03em;font-weight:900}
/* 层级靠 字重+字号+负字距(Heavy -100 寄存器) 建立，不靠衬线 */
.hl{color:var(--accent);font-size:1.28em;font-weight:900;font-style:normal;letter-spacing:-.02em}
.sec-head h2{position:relative;padding-bottom:12px;letter-spacing:-.02em}
.sec-head h2::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:2px;background:var(--line);transition:width .55s var(--ease)}
.sec-head h2::before{content:"";position:absolute;left:54px;bottom:-3px;width:6px;height:6px;background:var(--accent);transform:rotate(45deg)}

/* ============ PAGE ATMOSPHERE (non-gradient: line + texture + motion) ============ */
/* background watermark — the ID itself, huge and faint as a full-page ornament */
.watermark{position:fixed;inset:0;z-index:-2;pointer-events:none;display:grid;place-items:center;overflow:hidden;will-change:transform}
.watermark span{font-family:var(--font-display);font-weight:900;font-size:min(44vw,540px);line-height:1;letter-spacing:-.06em;color:var(--text);opacity:.03;transform:translateY(6%);user-select:none}
[data-theme="light"] .watermark span{opacity:.05;color:var(--text-soft)}

/* vignette — edge falloff via inset shadow (no gradient) */
.vignette{position:fixed;inset:0;z-index:89;pointer-events:none;box-shadow:inset 0 0 220px 36px rgba(0,0,0,.34)}
[data-theme="light"] .vignette{box-shadow:inset 0 0 220px 36px rgba(40,30,16,.12)}

/* page background field — holds the non-gradient art layers (no gradients anywhere) */
.bg-field{position:fixed;inset:-24px;z-index:-1;overflow:hidden;pointer-events:none;transition:transform .35s var(--ease);will-change:transform}
.bg-art{position:absolute;inset:0;width:100%;height:100%;color:var(--text-soft);display:none;will-change:transform}
.bg-art *{vector-effect:non-scaling-stroke}

/* schematic — concentric construction arcs + radial dims (blueprint diagram); scroll drives rotation/zoom */
[data-bg="schematic"] .bg-art--schematic{display:block;color:var(--text-soft);opacity:.8;transform-origin:50% 50%}

/* 光圈 (aperture) annotation — fixed at inner ring's 45° direction, horizontal, does NOT rotate with rings */
.aperture-label{position:absolute;left:50%;top:50%;display:none;align-items:center;justify-content:center;color:var(--text-soft);font-family:var(--font-latin);pointer-events:none;text-shadow:0 1px 10px rgba(0,0,0,.65);z-index:1;will-change:transform}
[data-bg="schematic"] .aperture-label{display:flex}
.aperture-label .ap-v{font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.04em}

/* ============ (cards are intentionally left untouched in every background mode) ============ */

/* ============ SIDEBAR NAV (left; background fill = load progress; items activate as load completes) ============ */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sb-w);height:100dvh;z-index:110;
  display:flex;flex-direction:column;gap:6px;padding:26px 18px;
  background:color-mix(in srgb,var(--bg) 86%,transparent);
  border-right:1px solid var(--border);overflow:hidden;
  transition:width .3s var(--ease);
}
.sidebar .sb-load{position:absolute;left:0;top:0;width:100%;height:100%;z-index:0;
  background:linear-gradient(180deg,var(--accent-soft),color-mix(in srgb,var(--accent) 7%,transparent));
  transform:scaleY(0);transform-origin:top;transition:transform .25s linear;pointer-events:none}
.sidebar>*{position:relative;z-index:1}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-latin);font-weight:700;font-size:20px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:26px}
.brand .mark{
  width:30px;height:30px;border-radius:4px;display:grid;place-items:center;
  background:var(--surface-2);color:var(--accent);border:1px solid var(--accent);font-size:15px;
}
.sb-nav{display:flex;flex-direction:column;gap:4px}
.sb-nav a{
  position:relative;display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text-soft);transition:color .3s,background .3s,border-color .3s;
  border:1px solid transparent;
}
.sb-nav a .dot{width:7px;height:7px;border-radius:50%;background:var(--border);transition:background .3s,box-shadow .3s,transform .3s;transform:scale(.8)}
.sb-nav a:hover{color:var(--text);background:var(--surface-2)}
.sb-nav a.on{color:var(--text);background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 40%,var(--border))}
.sb-nav a.on .dot{background:var(--accent);box-shadow:0 0 10px var(--accent);transform:scale(1)}
.sb-nav a.cur::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;background:var(--accent);border-radius:2px;box-shadow:0 0 8px var(--accent)}
.sb-foot{margin-top:auto;display:flex;gap:10px;align-items:center}
.sb-loadlabel{margin-top:14px;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--text-soft);opacity:.7}
/* collapse: default collapsed to a thin edge (load progress); hover-near expands to full; no manual toggle */
/* thin edge = load-progress indicator when collapsed */
.sb-edge{display:none;position:absolute;top:0;right:0;width:3px;height:100%;background:var(--border);overflow:hidden;z-index:2}
.sb-edge i{position:absolute;left:0;top:0;width:100%;height:100%;background:linear-gradient(180deg,var(--accent),color-mix(in srgb,var(--accent) 42%,transparent));transform:scaleY(0);transform-origin:top;transition:transform .2s linear}
.sidebar.collapsed .sb-edge{display:block}
.sidebar.collapsed .sb-load,.sidebar.collapsed .brand,.sidebar.collapsed .sb-nav,.sidebar.collapsed .sb-foot,.sidebar.collapsed .sb-loadlabel{display:none}
.sidebar.collapsed .lbl,.sidebar.collapsed .brand-t,.sidebar.collapsed .dot{display:none}
/* hover-expand: full width + content when mouse-near; edge hidden, full load fill shown */
.sidebar.hover-expand{width:var(--sb-w-expanded)}
.sidebar.collapsed.hover-expand .sb-edge{display:none}
.sidebar.collapsed.hover-expand .sb-load{display:block}
.sidebar.collapsed.hover-expand .brand,.sidebar.collapsed.hover-expand .sb-nav,.sidebar.collapsed.hover-expand .sb-foot,.sidebar.collapsed.hover-expand .sb-loadlabel{display:flex}
.sidebar.collapsed.hover-expand .lbl,.sidebar.collapsed.hover-expand .brand-t{display:inline}
.sidebar.collapsed.hover-expand .dot{display:inline}
.sidebar.collapsed.hover-expand .sb-nav a{justify-content:flex-start;padding:11px 14px}
.sidebar.collapsed.hover-expand .sb-nav a .dot{margin:0 11px 0 0}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text);cursor:pointer;
  transition:transform .25s var(--ease),background .25s;
}
.icon-btn:hover{transform:translateY(-2px)}
.burger{display:none}

/* ============ VIEW SYSTEM ============ */
.view{display:none}
.view.active{display:block;animation:fade .6s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ============ HERO ============ */
.hero{
  position:relative;
  min-height:100dvh;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:40px 0 64px;
}
/* hero depth now comes from the page-level .bg-field (drifting + parallax) */
.hero h1{font-size:clamp(46px,8vw,104px);line-height:1.0;font-weight:900;letter-spacing:-.04em;margin:18px 0 16px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:18px;color:var(--text-soft);max-width:46ch;margin-bottom:28px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),background .25s,box-shadow .25s;
}
.btn-primary{background:var(--accent);color:#0B0B0C;box-shadow:0 10px 30px var(--accent-soft)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:var(--surface-2);border-color:var(--border);color:var(--text)}
.btn-ghost:hover{transform:translateY(-2px)}
.hero-art{position:relative}
.hero-art::before{
  content:"";position:absolute;inset:-4% -4% -12% -4%;z-index:-1;border-radius:var(--r-card);
  background:color-mix(in srgb,var(--text-soft) 5%,transparent);border:1px solid var(--line);
}
.hero-hud{position:absolute;inset:0;z-index:4;pointer-events:none;color:var(--hud);opacity:.85}
.hero-hud g path,.hero-hud g line{stroke:currentColor}
.hud-readout{position:absolute;top:16px;right:16px;z-index:4;display:flex;align-items:center;gap:6px;
  font-family:'Space Mono',monospace;font-size:10px;letter-spacing:.14em;color:var(--caution);text-shadow:0 1px 4px rgba(0,0,0,.6)}
.hud-readout .rec{width:7px;height:7px;border-radius:50%;background:var(--caution);box-shadow:0 0 8px var(--caution);animation:recBlink 1.4s steps(1) infinite}
.hud-readout .s{display:inline-flex;align-items:center;gap:5px;margin-left:2px}
.hud-readout .s .d{width:6px;height:6px;border-radius:50%}
.hud-readout .s.ok .d{background:var(--ok);box-shadow:0 0 6px var(--ok)}
.hud-readout .s.info .d{background:var(--info);box-shadow:0 0 6px var(--info)}
@keyframes recBlink{50%{opacity:.25}}
.hero-art img{width:100%;aspect-ratio:4/3;border-radius:var(--r-card);object-fit:cover;box-shadow:var(--shadow);filter:saturate(.46) brightness(.72);transition:filter .7s var(--ease),transform .7s var(--ease)}
.hero-art .tag{
  position:absolute;left:16px;bottom:16px;padding:8px 14px;border-radius:var(--r-pill);
  background:color-mix(in srgb,var(--bg) 60%,transparent);backdrop-filter:blur(10px);
  border:1px solid var(--border);font-size:13px;
}
/* HUD readout on hero image (in-world capture terminal) */
.hero-art::after{
  content:"CAP 014 · WORLD 艾欧泽亚 · 23:14";
  position:absolute;left:16px;top:16px;z-index:4;
  font-family:'Space Mono',monospace;font-size:10px;letter-spacing:.14em;
  color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.6);
}
[data-theme="light"] .hero-art img{filter:none}
.hero-art:hover img{filter:saturate(1) brightness(1)}

/* ============ SECTION HEAD ============ */
.sec{padding:90px 0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:36px;gap:20px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(30px,4.2vw,54px);font-weight:500;letter-spacing:-.01em}
.sec-head .link{font-size:15px;color:var(--accent);display:flex;align-items:center;gap:6px}

/* ============ GALLERY GRID (asymmetric) ============ */
.g-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.g-card{grid-column:span 2;position:relative;border-radius:var(--r-card);overflow:hidden;cursor:pointer;background:var(--surface-2);border:1px solid var(--border)}
.g-card.wide{grid-column:span 4}
.g-card.tall{grid-column:span 2;grid-row:span 2}
.g-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease),filter .6s var(--ease);filter:saturate(.92)}
.g-card:hover img{transform:scale(1.045);filter:saturate(1.05)}
.g-card .frame-no{position:absolute;top:12px;left:12px;font-family:'Space Mono',monospace;font-size:10px;letter-spacing:.12em;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.7)}
.g-card .meta{position:absolute;inset:auto 0 0 0;padding:18px;background:linear-gradient(transparent,color-mix(in srgb,var(--bg) 88%,transparent));}
.g-card .meta h3{font-size:18px;font-weight:500}
.g-card .meta span{font-size:14px;color:var(--text-soft)}
.g-card .priv{position:absolute;top:12px;right:12px;padding:5px 10px;border-radius:var(--r-pill);background:var(--surface);font-size:11px;display:flex;gap:5px;align-items:center;border:1px solid var(--border)}
/* homepage: subdued-until-engaged (less proactive than the photo wall) */
#v-home .g-card img{filter:saturate(.34) brightness(.6);transform:none;transition:filter .7s var(--ease)}
[data-theme="light"] #v-home .g-card img{filter:none}
#v-home .g-card:hover img{filter:saturate(1) brightness(1)}
/* day-mode interactivity cue (saturation is intentionally left untouched): gentle lift + soft shadow + accent ring */
#v-home .g-card{transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease)}
#v-home .g-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 50%,var(--border))}
#v-home .hero-art{transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
#v-home .hero-art:hover{transform:translateY(-4px)}

/* ============ MASONRY (gallery detail) ============ */
.masonry{columns:3;column-gap:16px}
.masonry figure{break-inside:avoid;margin-bottom:16px;border-radius:var(--r-card);overflow:hidden;cursor:zoom-in;position:relative;border:1px solid var(--border)}
.masonry img{width:100%;transition:transform .5s var(--ease),filter .5s var(--ease);filter:saturate(.92)}
.masonry figure:hover img{transform:scale(1.04);filter:saturate(1.05)}
.masonry figure .cap{position:absolute;inset:auto 0 0 0;padding:12px 14px;font-family:'Space Mono',monospace;font-size:10px;letter-spacing:.1em;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.72));opacity:0;transition:opacity .3s}
.masonry figure:hover .cap{opacity:1}

/* ============ WORKS (单张) ============ */
.w-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.w-card{border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;background:var(--surface);transition:transform .3s var(--ease),border-color .3s}
.w-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.w-card img{aspect-ratio:16/10;object-fit:cover;filter:saturate(.92)}
.w-body{padding:18px}
.w-body h3{font-size:18px;font-weight:500}
.w-body p{font-size:15px;color:var(--text-soft);margin:6px 0 12px}
.w-body .ext{font-size:13px;color:var(--accent);display:inline-flex;gap:6px;align-items:center}

/* ============ COMMISSION STRIP (softened) ============ */
.commission{
  border:1px solid var(--border);border-radius:var(--r-card);padding:36px;
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  background:linear-gradient(120deg,var(--surface),var(--surface-2));
  transition:border-color .4s var(--ease);
}
.commission h3{font-size:24px;font-weight:500}
.status{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--accent);font-size:14px;font-weight:500}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* ============ GUESTBOOK ============ */
.gb{max-width:760px;display:flex;flex-direction:column;gap:14px}
.gb-item{border:1px solid var(--border);border-radius:var(--r-card);padding:20px;background:var(--surface)}
.gb-item .who{font-weight:500;font-size:15px}
.gb-item .when{font-family:'Space Mono',monospace;font-size:11px;color:var(--text-soft);margin-left:8px;letter-spacing:.08em}
.gb-item p{margin-top:8px;color:var(--text-soft);font-size:15px}

/* ============ FOOTER ============ */
footer{border-top:1px solid var(--border);padding:48px 0;margin-top:40px}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;color:var(--text-soft);font-size:15px}
.loiter{display:flex;gap:18px;flex-wrap:wrap}
.loiter a{font-size:15px;color:var(--text-soft);transition:color .25s}
.loiter a:hover{color:var(--accent)}

/* ============ LIGHTBOX (developed print) ============ */
.lightbox{position:fixed;inset:0;z-index:120;background:rgba(8,8,10,.94);display:none;place-items:center;padding:40px;cursor:zoom-out}
.lightbox.open{display:grid;animation:fade .3s var(--ease)}
.lightbox figure{max-width:92vw}
.lightbox img{max-width:92vw;max-height:80vh;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox figcaption{font-family:'Space Mono',monospace;font-size:11px;letter-spacing:.14em;color:var(--text-soft);text-align:center;margin-top:14px}

/* ============ REVEAL — scroll-triggered action animations (progressive enhancement) ============ */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(64px);transition:opacity 1s var(--ease),transform 1s var(--ease);
  /* ULTIMATE FAILSAFE: if JS boots the overlay but never reveals content (error/timeout/deadlock),
     force-fade content in after 10s so the user NEVER sees a permanent black screen. */
  animation:revealFailsafe 10s linear forwards}
.js .reveal-left{transform:translateX(-80px)}
.js .reveal-right{transform:translateX(80px)}
.js .reveal-scale{transform:scale(.82);transition:opacity 1s var(--ease),transform 1s cubic-bezier(.34,1.56,.64,1)}
.js .reveal-clip{opacity:1;clip-path:inset(0 100% 0 0);transition:clip-path 1s var(--ease),opacity .5s}
.js .reveal.in,.js .reveal.fallback{opacity:1!important;transform:none!important;clip-path:inset(0 0 0 0)!important}
/* gallery card scan-sweep when it registers into view (re-fires on every entry) */
.g-card::after{content:"";position:absolute;left:0;right:0;top:-55%;height:55%;z-index:6;pointer-events:none;opacity:0;
  background:linear-gradient(to bottom,transparent,color-mix(in srgb,var(--accent) 78%,transparent),transparent)}
.js .g-card.in::after,.js .g-card.fallback::after{animation:scan 1.1s var(--ease) .1s}
@keyframes scan{0%{transform:translateY(0);opacity:0}10%{opacity:.95}100%{transform:translateY(360%);opacity:0}}
/* brief accent flash when a card registers into view */
.js .g-card.in,.js .g-card.fallback{animation:cardFlash 1.1s var(--ease)}
@keyframes cardFlash{0%{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),var(--shadow)}100%{}}

/* ============ SCROLL PROGRESS (top bar) ============ */
.scroll-progress{position:fixed;top:0;left:0;width:100%;height:4px;z-index:200;pointer-events:none;background:transparent}
.scroll-progress i{display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--caution),rgba(242,196,61,.25));box-shadow:0 0 12px var(--caution)}
.scroll-progress i::after{content:"";position:absolute;right:0;top:0;width:16px;height:100%;background:var(--caution);box-shadow:0 0 16px var(--caution);animation:progPulse 1.6s ease-in-out infinite}
@keyframes progPulse{0%,100%{opacity:.55}50%{opacity:1}}

/* ============ SCANLINE (scroll-gated — only moves while scrolling, fades when idle; no constant flicker) ============ */
.scanline{position:fixed;inset:0;z-index:-3;pointer-events:none;overflow:hidden}
.scanline i{position:absolute;left:-10%;width:120%;height:2px;top:-4%;
  background:linear-gradient(90deg,transparent,var(--caution),transparent);opacity:.1;box-shadow:0 0 10px var(--caution);
  animation:scanMove 7s linear infinite;animation-play-state:paused;transition:opacity .4s}
body.is-scrolling .scanline i{animation-play-state:running;opacity:.2}
@keyframes scanMove{0%{top:-4%}100%{top:104%}}

/* ============ BOOT / PRELOADER (real asset progress) ============ */
#boot{position:fixed;top:0;left:var(--sb-w);right:0;bottom:0;z-index:300;background:var(--bg);display:grid;place-items:center;
  clip-path:inset(0 0 0 0);transition:clip-path .6s var(--ease);
  /* DEFAULT HIDDEN — JS must add .active to show it.
     This ensures no-JS/dead-JS scenarios can NEVER produce a permanent black screen. */
  opacity:0;visibility:hidden;pointer-events:none}
#boot.active{opacity:1;visibility:visible;pointer-events:auto;
  /* AUTO-DESTRUCT: if JS shows the overlay but then dies/locks before calling finish()
     or the 5s safety-net, this CSS-only timer guarantees removal after ~8s.
     Paired with revealFailsafe on .js .reveal (fires at 10s), content appears
     no later than 10s after page load under any circumstances. */
  animation:bootFailsafe 8s linear forwards}
#boot.done{clip-path:inset(0 0 100% 0)}
/* Last-resort failsafe: if JS never runs (CSP/sandbox/script truncation), the
   overlay still self-destructs after 8s so the page can never stay black. */
@keyframes bootFailsafe{0%,70%{opacity:1}100%{opacity:0;visibility:hidden;pointer-events:none}}
/* Paired with bootFailsafe: force-reveal content if JS boot sequence deadlocks.
   Fires at 10s (2s after boot overlay fades) — worst case user sees working page after 10s. */
@keyframes revealFailsafe{0%,80%{opacity:0}100%{opacity:1!important;transform:none!important}}
#boot .boot-frame{position:absolute;inset:22px;border:1px solid var(--border);pointer-events:none}
#boot .boot-frame::before,#boot .boot-frame::after{content:"";position:absolute;width:18px;height:18px;border:2px solid var(--caution)}
#boot .boot-frame::before{top:-1px;left:-1px;border-right:none;border-bottom:none}
#boot .boot-frame::after{bottom:-1px;right:-1px;border-left:none;border-top:none}
.boot-inner{width:min(440px,86vw);color:var(--text)}
.boot-brand{font-family:var(--font-latin);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:14px;display:flex;align-items:center;gap:10px}
.boot-brand .mk{width:22px;height:22px;border:1px solid var(--caution);color:var(--caution);display:grid;place-items:center;font-size:12px}
.boot-log{margin:18px 0 14px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--text-soft);min-height:92px}
.boot-log div{opacity:0;transform:translateX(-8px);transition:opacity .4s,transform .4s}
#boot .boot-log div.show{opacity:1;transform:none}
#boot .boot-log div.ok{color:var(--ok)}
.boot-bar{height:6px;background:var(--surface-2);border:1px solid var(--border);overflow:hidden;position:relative}
.boot-bar i{position:absolute;inset:0;background:var(--caution);transform:scaleX(0);transform-origin:0 50%;box-shadow:0 0 12px var(--caution)}
.boot-meta{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--text-soft);margin-top:8px}
.boot-skip{margin-top:14px;text-align:right;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--text-soft);opacity:.55}

/* ============ FIXED HUD STATUS BAR (scroll-reactive) ============ */
.hud-bar{position:fixed;left:calc(var(--sb-w) + 16px);bottom:16px;z-index:90;display:flex;flex-direction:column;align-items:flex-start;gap:6px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--text-soft);
  padding:6px 10px;background:color-mix(in srgb,var(--bg) 40%,transparent);backdrop-filter:blur(8px);
  border:1px solid var(--border);pointer-events:none}
.hud-bar .hud-row{display:flex;flex-wrap:nowrap;gap:10px;align-items:center}
.hud-bar .hb-i{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.hud-bar .rec{width:6px;height:6px;border-radius:50%;background:var(--caution);box-shadow:0 0 6px var(--caution);animation:recBlink 1.4s steps(1) infinite}
.hud-bar #hbSec{color:var(--text);flex:0 0 104px;width:104px;overflow:hidden;text-overflow:ellipsis}
.hud-bar #hbScroll{color:var(--accent)}

/* LEFT RAIL removed — primary navigation now lives in the left sidebar */

/* ============ SECTION FRAMING (industrial corner ticks) ============ */
.sec{position:relative;container-type:inline-size}
.sec:not(:first-child){border-top:1px solid var(--line)}
.sec::before,.sec::after{content:"";position:absolute;width:16px;height:16px;pointer-events:none;opacity:.16;transform:scale(.3);transition:transform .5s var(--ease),opacity .5s var(--ease)}
.sec::before{top:-1px;left:-1px;border-top:2px solid var(--accent);border-left:2px solid var(--accent);transform-origin:top left}
.sec::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--accent);border-right:2px solid var(--accent);transform-origin:bottom right}
.sec.active-sec::before,.sec.active-sec::after{opacity:.7;transform:scale(1)}
.sec.active-sec .sec-head h2::after{width:92px}

/* ============ SCROLL-COUPLED PARALLAX + LIVE STATE ============ */
[data-par]{will-change:transform}
.g-card img[data-par]{transform:scale(1.12)}
.hero-art img[data-par]{transform:scale(1.06)}
#v-home .g-card img[data-par]{transform:scale(1.12)}
.g-card.live{border-color:color-mix(in srgb,var(--accent) 45%,var(--border))}
.g-card.live .frame-no{color:var(--accent)}
.commission.live{border-color:color-mix(in srgb,var(--accent) 40%,var(--border))}

/* ===== 首页可编辑块（显式坐标栅格：桌面 12 列 / 移动 mobile_cols 列；每卡 (x,y)+w×h） ===== */
.block-grid{container-type:inline-size;display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:calc((100cqw - 18px*11)/12);gap:18px}
.b-block{grid-column:var(--xd,1) / span var(--wd,4);grid-row:var(--yd,1) / span var(--hd,1);display:flex;overflow:hidden;border-radius:var(--r-card)}
.b-block>*{flex:1 1 auto;min-width:0;height:100%;margin:0}
.b-block .g-card{height:100%}
.b-block .w-card{display:flex;flex-direction:column;height:100%}
.b-block .w-card img{aspect-ratio:auto;flex:1 1 auto;min-height:0;object-fit:cover}
.b-block .gb-item{height:100%}
.b-block .sum-card{display:flex;flex-direction:column;color:inherit;text-decoration:none}
/* 空白占位卡：默认完全透明，仅占用画布格点制造留白 */
.b-block.blank{background:transparent;border:none;box-shadow:none}
/* 空白卡·装饰线：居中发丝渐变线 + 中心菱点 */
.b-deco{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;pointer-events:none}
.b-deco-line::before{content:"";position:absolute;left:16%;right:16%;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 70%,transparent),transparent);opacity:.55}
.b-deco-line .b-deco-core{width:7px;height:7px;border:1px solid var(--accent);transform:rotate(45deg);background:color-mix(in srgb,var(--accent) 22%,transparent);opacity:.85}
/* 空白卡·装饰：居中菱环 */
.b-deco-ornament .b-deco-orn{width:22px;height:22px;border:1px solid color-mix(in srgb,var(--accent) 60%,transparent);transform:rotate(45deg);position:relative;opacity:.75}
.b-deco-ornament .b-deco-orn::after{content:"";position:absolute;inset:5px;border:1px solid color-mix(in srgb,var(--accent) 45%,transparent)}
@media(max-width:900px){
  .block-grid{container-type:inline-size;grid-template-columns:repeat(var(--mcols,4),1fr);grid-auto-rows:calc((100cqw - 18px*(var(--mcols,4) - 1))/var(--mcols,4))}
  .b-block{grid-column:var(--xm,1) / span var(--wm,2);grid-row:var(--ym,1) / span var(--hm,1)}
}

/* ============ HERO INTRO (post-boot stagger) ============ */
.hero [data-intro]{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
#v-home.intro .hero [data-intro]{opacity:1;transform:none}
/* hero headline character decode — the most noticeable hero motion */
.hero h1 .ch{display:inline-block;opacity:0;transform:translateY(.45em) scale(.82);filter:blur(7px);
  transition:opacity .55s var(--ease),transform .55s var(--ease),filter .55s var(--ease);
  transition-delay:calc(var(--d,.15s) + var(--i,0)*.055s + .25s)}
#v-home.intro .hero h1 .ch{opacity:1;transform:none;filter:none}
/* hero image develops in from the top */
.hero [data-intro].hero-art{opacity:0;clip-path:inset(0 0 100% 0);transform:none;transition:opacity .8s var(--ease) var(--d,0s),clip-path .9s var(--ease) var(--d,0s)}
#v-home.intro .hero [data-intro].hero-art{opacity:1;clip-path:inset(0 0 0 0)}

/* ============ RESPONSIVE ============ */
@media(max-width:900px){
  :root{--sb-w:0px}
  body{padding-left:0}
  .hero{grid-template-columns:1fr;gap:32px;min-height:auto;padding-top:24px}
  .hero-art{order:-1}
  .g-grid{grid-template-columns:repeat(2,1fr)}
  .g-card,.g-card.wide,.g-card.tall{grid-column:span 1;grid-row:auto}
  .masonry{columns:2}
  .w-grid{grid-template-columns:1fr 1fr}
  .sidebar{transform:translateX(-100%);transition:transform .35s var(--ease);box-shadow:var(--shadow)}
  .sidebar.open{transform:none}
  .burger{display:grid}
}
@media(max-width:560px){.masonry{columns:1}.w-grid{grid-template-columns:1fr}.g-grid{grid-template-columns:1fr}.hero-art::after{font-size:9px}.hud-bar{font-size:9px;gap:8px;max-width:88vw;padding:5px 8px}.scroll-progress{height:2px}}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1!important;transform:none!important;clip-path:none!important}
  .hero [data-intro]{opacity:1!important;transform:none!important}
  .hero h1 .ch{opacity:1!important;transform:none!important;filter:none!important}
  .hero [data-intro].hero-art{clip-path:none!important}
  .g-card::after{display:none!important}
  .scanline{display:none!important}
  #boot{display:none!important}
}
/* ===== data-driven UI (wired to public API) ===== */
/* 空状态美学：无封面时不是灰块，而是带缓动光晕的渐变艺术占位 */
.no-img{
  position:relative;overflow:hidden;
  background:
    radial-gradient(120% 120% at 20% 10%, color-mix(in srgb,var(--accent) 26%,transparent), transparent 55%),
    radial-gradient(120% 120% at 90% 90%, color-mix(in srgb,var(--info,#43c6ff) 24%,transparent), transparent 55%),
    linear-gradient(135deg,#1a1c22,#101116);
}
.no-img::after{
  content:"";position:absolute;inset:-40%;
  background:conic-gradient(from 0deg, transparent 0 60%, color-mix(in srgb,var(--accent) 20%,transparent) 75%, transparent 90%);
  animation:hb-spin 9s linear infinite;opacity:.55;
}
.no-img::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 60% at 50% 45%, color-mix(in srgb,#fff 10%,transparent), transparent 70%);
  z-index:1;
}
@keyframes hb-spin{to{transform:rotate(360deg)}}
.ph-img{object-fit:cover}
.g-card .ph-img{width:100%;height:100%}
.w-card .ph-img{width:100%;aspect-ratio:16/10;display:block}
/* 骨架屏：加载态用微光脉冲代替「LOADING…」纯文本 */
.loading{letter-spacing:.14em;font-size:12px;padding:26px 0;text-align:center;color:var(--text-soft);opacity:.7}
.block-grid .loading,
.view .loading{
  display:grid;grid-template-columns:repeat(var(--mcols,4),1fr);gap:18px;padding:0;width:100%;
  grid-auto-rows:calc((100cqw - 18px*(var(--mcols,4) - 1))/var(--mcols,4));
}
.block-grid .loading::before,
.view .loading::before{
  content:"";grid-column:1/-1;height:100%;border-radius:var(--r-card);
  background:linear-gradient(100deg,var(--surface-2) 30%,color-mix(in srgb,#fff 7%,var(--surface-2)) 50%,var(--surface-2) 70%);
  background-size:220% 100%;animation:hb-shimmer 1.4s ease-in-out infinite;
  display:flex;align-items:center;justify-content:center;
}
.block-grid .loading,
.view .loading{position:relative}
.block-grid .loading::after,
.view .loading::after{
  content:"LOADING…";position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);
  letter-spacing:.18em;font-size:12px;color:var(--text-soft);
}
@keyframes hb-shimmer{0%{background-position:180% 0}100%{background-position:-80% 0}}
@media (prefers-reduced-motion: reduce){
  .no-img::after{animation:none}
  .block-grid .loading::before,.view .loading::before{animation:none;background:var(--surface-2)}
}
.dim{opacity:.62}
/* commission status board */
.com-board{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.com-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;padding:9px 13px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px}
.com-row .ref{font-size:12px;letter-spacing:.08em;color:var(--text-soft)}
.com-row .mono.dim{margin-left:auto}
.st{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600}
.st .dot{width:7px;height:7px;border-radius:50%}
.st-info{color:var(--info)} .st-info .dot{background:var(--info)}
.st-ok{color:var(--ok)} .st-ok .dot{background:var(--ok)}
.st-accent{color:var(--accent)} .st-accent .dot{background:var(--accent)}
.st-danger{color:var(--danger)} .st-danger .dot{background:var(--danger)}
/* forms (guestbook / commission submit) */
.cform,.gform{display:flex;flex-direction:column;gap:10px;max-width:480px}
.cform textarea,.gform textarea,.cform input,.gform input{font:inherit;color:var(--text);background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:11px 13px;outline:none;transition:border-color .2s,box-shadow .2s}
.cform textarea:focus,.gform textarea:focus,.cform input:focus,.gform input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.cform button,.gform button{align-self:flex-start;cursor:pointer}
.gform button{margin-top:6px;font:inherit;font-weight:700;color:#1a1205;background:var(--accent);border:none;border-radius:var(--r-input);padding:12px 22px;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 8px 24px -10px var(--accent)}
.gform button:hover{transform:translateY(-2px)}
/* flash messages (form submit feedback) */
.flash-zone{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.flash-zone .message{pointer-events:auto;background:var(--surface);border:1px solid var(--accent);color:var(--text);padding:11px 18px;border-radius:12px;font-size:14px;box-shadow:var(--shadow);animation:flashIn .3s ease}
@keyframes flashIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}

/* gallery tag filter */
.tag-filter{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 18px}
.chip{font:inherit;font-size:13px;cursor:pointer;color:var(--text-soft);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:6px 14px;transition:all .18s var(--ease)}
.chip:hover{color:var(--text);border-color:var(--accent)}
.chip.active{color:#fff;background:var(--accent);border-color:var(--accent);box-shadow:0 4px 14px color-mix(in srgb,var(--accent) 35%,transparent)}
.chip.skel{opacity:.5;cursor:default}
.g-filter-empty{margin-top:18px}

/* toast */
.xtoast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,16px);z-index:300;background:var(--surface);border:1px solid var(--accent);color:var(--text);padding:11px 18px;border-radius:12px;font-size:14px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;max-width:80vw}
.xtoast.show{opacity:1;transform:translate(-50%,0)}
/* legacy token aliases (backward-compat during restyle) */
:root{--text-muted:var(--text-soft);--card-bg:var(--surface);--radius:var(--r-card)}
.content{padding:56px 0 80px}