/* =============================================================
   SHENGWEN — Director of Photography
   Cinematic editorial theme: charcoal base / champagne accent /
   Cormorant Garamond display type paired with Inter.
   Entrance effects are progressive enhancement: hidden states are
   gated behind `html.js` + (prefers-reduced-motion: no-preference),
   so content always renders without JS or with reduced motion.
   ============================================================= */

:root{
  --bg:#232327;
  --bg-raise:#2a2a30;
  --fg:#f2efe9;
  --muted:#9b978e;
  --line:rgba(255,255,255,.10);
  --accent:#c8a97e;
  --accent-soft:rgba(200,169,126,.32);
  --display:"Cormorant Garamond","Times New Roman",Georgia,serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  --maxw:1180px;
  --gap:22px;
  --ease-out:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:96px;
  scrollbar-width:thin;
  scrollbar-color:#3f3f47 transparent;
}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  font-weight:400;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
::selection{background:var(--accent);color:#1d1d20;}
:focus-visible{outline:1px solid var(--accent);outline-offset:4px;border-radius:2px;}

/* thin custom scrollbar */
::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:#3c3c43;border-radius:99px;border:3px solid var(--bg);}
::-webkit-scrollbar-thumb:hover{background:#55555e;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}

/* ===== ambient background fx ===== */
/* fixed layers: glows/vignette sit behind content, grain floats above */
.bg-fx{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;}
.bg-glow{position:absolute;display:block;border-radius:50%;filter:blur(90px);opacity:.5;}
.bg-glow-a{width:52vw;height:52vw;left:-14vw;top:-12vw;background:radial-gradient(circle at center,rgba(201,172,132,.32),transparent 68%);animation:glow-a 44s ease-in-out infinite alternate;}
.bg-glow-b{width:52vw;height:52vw;right:-16vw;bottom:-14vw;background:radial-gradient(circle at center,rgba(140,168,192,.24),transparent 68%);animation:glow-b 56s ease-in-out infinite alternate;}
.bg-vignette{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 42%,transparent 52%,rgba(0,0,0,.34) 100%);}
@keyframes glow-a{from{transform:translate(0,0) scale(1);}to{transform:translate(9vw,7vh) scale(1.1);}}
@keyframes glow-b{from{transform:translate(0,0) scale(1);}to{transform:translate(-8vw,-6vh) scale(1.12);}}

/* film-grain overlay (SVG fractal noise), static on purpose */
.bg-grain{
  position:fixed;inset:0;z-index:50;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='180'%20height='180'%3E%3Cfilter%20id='n'%3E%3CfeTurbulence%20type='fractalNoise'%20baseFrequency='0.75'%20numOctaves='2'%20stitchTiles='stitch'/%3E%3CfeColorMatrix%20type='saturate'%20values='0'/%3E%3C/filter%3E%3Crect%20width='100%25'%20height='100%25'%20filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:180px 180px;
  opacity:.06;
}
/* raise real content above the ambient glow layer */
.site-main,.site-footer{position:relative;z-index:1;}

@media (max-width:680px){
  .bg-glow{filter:blur(55px);opacity:.38;}
}

/* ===== custom cursor（仅精确指针设备，JS 注入 .cursor） ===== */
.cursor{display:none;}
@media (hover:hover) and (pointer:fine){
  html.js body,
  html.js a,
  html.js button,
  html.js label{cursor:none;}
  html.js .cursor{display:block;}
}
.c-dot{
  position:fixed;left:0;top:0;width:6px;height:6px;margin:-3px 0 0 -3px;
  border-radius:50%;background:#fff;mix-blend-mode:difference;
  pointer-events:none;z-index:1001;transition:opacity .3s;
}
.c-ring{
  position:fixed;left:0;top:0;width:36px;height:36px;margin:-18px 0 0 -18px;
  border:1px solid rgba(255,255,255,.85);border-radius:50%;
  mix-blend-mode:difference;pointer-events:none;z-index:1000;
  display:flex;align-items:center;justify-content:center;
  transition:width .35s var(--ease-out),height .35s var(--ease-out),
             margin .35s var(--ease-out),background-color .3s,border-color .3s,opacity .3s;
}
.c-label{
  font-size:9px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:#17171a;opacity:0;transition:opacity .25s;user-select:none;
}
.cursor.is-link .c-ring{width:54px;height:54px;margin:-27px 0 0 -27px;border-color:rgba(255,255,255,.5);}
.cursor.is-view .c-ring{width:82px;height:82px;margin:-41px 0 0 -41px;background:var(--accent);border-color:var(--accent);mix-blend-mode:normal;}
.cursor.is-view .c-label{opacity:1;}
.cursor.is-view .c-dot{opacity:0;}
.cursor.is-hidden .c-ring,.cursor.is-hidden .c-dot{opacity:0;}

/* ===== page enter / leave（JS 配合，防闪烁见 head 内联脚本） ===== */
body{transition:opacity .5s ease;}
body.leaving{opacity:0 !important;transition-duration:.18s;}
@media (prefers-reduced-motion: no-preference){
  html.js body{opacity:0;}
  html.js body.ready{opacity:1;}
}

/* ===== reveal-on-scroll（JS 给目标加 .rv，进入视口加 .in） ===== */
.rv{transition:opacity .8s var(--rvd,0s) var(--ease-out),transform .8s var(--rvd,0s) var(--ease-out);}
@media (prefers-reduced-motion: no-preference){
  html.js .rv{opacity:0;transform:translateY(26px);}
  html.js .rv.in{opacity:1;transform:none;}
  /* 作品卡：图片幕帘式揭示 */
  html.js .work.rv .work-thumb{clip-path:inset(0 0 100% 0);}
  html.js .work.rv .work-thumb img{transform:scale(1.14);}
  html.js .work.rv.in .work-thumb{clip-path:inset(0 0 0% 0);}
  html.js .work.rv.in .work-thumb img{transform:scale(1);}
}

/* ===== header（吸顶 + 滚动收缩 + 下滑隐藏/上滑显示） ===== */
.site-header{
  position:sticky;top:0;z-index:40;
  border-bottom:1px solid var(--line);
  background:rgba(35,35,39,.78);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  backdrop-filter:saturate(160%) blur(12px);
  transition:transform .45s var(--ease-out),background-color .4s ease,border-color .4s ease;
}
.site-header.scrolled{
  background:rgba(24,24,27,.9);
  border-bottom-color:rgba(255,255,255,.08);
  -webkit-backdrop-filter:saturate(170%) blur(18px);
  backdrop-filter:saturate(170%) blur(18px);
}
.site-header.hide{transform:translateY(-102%);}
.header-inner{
  position:relative;
  display:flex;flex-direction:column;align-items:center;
  max-width:var(--maxw);margin:0 auto;padding:36px 32px 18px;
  transition:padding .4s var(--ease-out);
}
.site-header.scrolled .header-inner{padding:16px 32px 8px;}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.1;text-align:center;}
.brand-name{
  font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  font-size:clamp(1.5rem,3.6vw,2.15rem);
  transition:letter-spacing .5s var(--ease-out);
}
.brand:hover .brand-name{letter-spacing:.2em;}
.brand-tagline{font-size:10.5px;letter-spacing:.42em;color:var(--muted);margin-top:10px;text-transform:uppercase;}
.brand-roles{font-size:9.5px;letter-spacing:.34em;color:var(--muted);opacity:.75;margin-top:7px;text-transform:uppercase;}

.site-nav{
  display:flex;justify-content:center;align-items:center;flex-wrap:wrap;
  gap:12px clamp(24px,3vw,44px);
  max-width:var(--maxw);margin:0 auto;padding:14px 32px 22px;
  transition:padding .4s var(--ease-out);
}
.site-header.scrolled .site-nav{padding:8px 32px 14px;}
.site-nav a{
  position:relative;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--fg);opacity:.55;padding:4px 0;
  transition:opacity .25s;
}
.site-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--accent);
  transform:scaleX(0);transform-origin:right;
  transition:transform .4s var(--ease-out);
}
.site-nav a:hover{opacity:1;}
.site-nav a:hover::after,.site-nav a.active::after{transform:scaleX(1);transform-origin:left;}
.site-nav a.active{opacity:1;}

.nav-toggle{
  display:none;background:none;border:0;cursor:pointer;padding:8px;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--fg);transition:.25s;}

/* ===== main ===== */
.site-main{padding:0 0 110px;}
.block{padding:96px 0 0;}
.block-title{
  position:relative;
  font-size:11px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--muted);font-weight:600;
  border-bottom:1px solid var(--line);padding-bottom:16px;margin:0 0 44px;
}
.block-title::before{
  content:"";display:inline-block;width:26px;height:1px;
  background:var(--accent);margin-right:14px;vertical-align:middle;
}
.page-head{margin:72px 0 8px;}
.page-title{
  font-family:var(--display);font-weight:600;
  font-size:clamp(2.4rem,5.4vw,3.8rem);letter-spacing:.01em;
  line-height:1.08;margin:0 0 22px;
}
/* 分类页副标语（后台分类管理「副标语」字段），紧贴标题下方 */
.page-title + .page-tagline{font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--accent);margin:-14px 0 20px;}
.page-intro{max-width:62ch;color:var(--muted);margin:0 0 8px;font-size:17px;}
/* 分类页统计行（作品数/年份区间，由可见作品自动计算） */
.page-stats{margin:14px 0 0;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ===== reel / hero ===== */
.reel{margin:44px 0 0;}
.reel-frame{
  position:relative;display:block;width:100%;aspect-ratio:16/9;
  overflow:hidden;background:#000;
  box-shadow:0 30px 80px -30px rgba(0,0,0,.6);
}
.reel-frame img{
  width:100%;height:100%;object-fit:cover;opacity:.92;
  transition:filter .6s ease,opacity .6s ease;
}
.reel-frame:hover img{filter:brightness(1.06) saturate(1.05);opacity:1;}
/* Ken Burns 慢推镜（reduced-motion 下停用） */
@media (prefers-reduced-motion: no-preference){
  .reel-frame img{animation:kenburns 24s var(--ease-out) .2s both;}
  @keyframes kenburns{from{transform:scale(1.14);}to{transform:scale(1.03);}}
}
/* 底部渐隐保证角标可读 */
.reel-frame::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:36%;
  background:linear-gradient(to top,rgba(0,0,0,.5),transparent);
  pointer-events:none;
}
.reel-center{
  position:absolute;inset:0;z-index:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;color:#fff;padding:0 24px;
}
.reel-kicker{
  font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--accent);
  text-shadow:0 1px 8px rgba(0,0,0,.5);
}
.reel-title{
  font-family:var(--display);font-weight:600;
  font-size:clamp(2.2rem,5.2vw,3.9rem);
  letter-spacing:.12em;text-transform:uppercase;line-height:1.12;
  text-shadow:0 2px 18px rgba(0,0,0,.55);
}
/* 标题按字入场（JS 拆分 .w / .ch） */
.reel-title .w{display:inline-block;overflow:hidden;vertical-align:bottom;}
.reel-title .ch{display:inline-block;}
.reel-title .ch,.reel-kicker,.reel-play,.reel-corner{
  transition:opacity .7s ease,transform .8s var(--ease-out);
}
.reel-play{
  position:relative;
  width:58px;height:58px;color:#fff;margin-top:6px;
  display:flex;align-items:center;justify-content:center;
}
.reel-play svg{width:58px;height:58px;transition:transform .3s var(--ease-out);}
.reel-frame:hover .reel-play svg{transform:scale(1.12);}
/* 播放键呼吸光环 */
.reel-play::before{
  content:"";position:absolute;inset:2px;border-radius:50%;
  border:1px solid rgba(255,255,255,.45);
  animation:pulse 2.8s ease-out infinite;
}
@keyframes pulse{
  0%{transform:scale(.92);opacity:.8;}
  70%{transform:scale(1.5);opacity:0;}
  100%{transform:scale(1.5);opacity:0;}
}
.reel-corner{
  position:absolute;z-index:1;bottom:22px;
  font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:#fff;
  text-shadow:0 1px 8px rgba(0,0,0,.5);
}
.reel-corner::before{
  content:"";display:inline-block;width:16px;height:1px;
  background:var(--accent);margin-right:10px;vertical-align:middle;
}
.reel-corner-l{left:28px;}
.reel-corner-r{right:28px;}

/* hero 入场序列：hidden 状态 -> body.hero-in 后依次浮现 */
@media (prefers-reduced-motion: no-preference){
  html.js .reel-frame{opacity:0;}
  html.js body.hero-in .reel-frame{opacity:1;transition:opacity 1s ease .05s;}
  html.js .reel-kicker,html.js .reel-play,html.js .reel-corner{opacity:0;transform:translateY(14px);}
  html.js body.hero-in .reel-kicker{opacity:1;transform:none;transition-delay:.25s;}
  html.js body.hero-in .reel-play{opacity:1;transform:none;transition-delay:.55s;}
  html.js body.hero-in .reel-corner{opacity:1;transform:none;}
  html.js body.hero-in .reel-corner-l{transition-delay:.7s;}
  html.js body.hero-in .reel-corner-r{transition-delay:.8s;}
  html.js .reel-title .ch{transform:translateY(115%);}
  html.js body.hero-in .reel-title .ch{transform:none;}
}

/* ===== work grid ===== */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap) 26px;}
.work{display:flex;flex-direction:column;gap:12px;}
/* 桌面端中列下沉，形成编辑式错落节奏（仅标准网格，瀑布流/拼图布局除外） */
@media (min-width:901px){
  .work-grid:not(.work-grid--masonry):not(.work-grid--mosaic) .work:nth-child(3n+2){margin-top:56px;}
}
.work-thumb{
  position:relative;display:block;aspect-ratio:3/2;overflow:hidden;background:var(--bg-raise);
  transition:clip-path 1.05s calc(var(--rvd,0s) + .05s) var(--ease-out);
}
.work-thumb img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(20%) contrast(1.02);
  transition:transform 1s var(--ease-out),filter .5s ease,opacity .6s ease;
}
.work:hover .work-thumb img{transform:scale(1.05);filter:grayscale(0) contrast(1);}
/* hover 底部渐变 + View 提示 */
.work-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.55),transparent 46%);
  opacity:0;transition:opacity .45s ease;
}
.work-view{
  position:absolute;z-index:1;left:18px;bottom:14px;
  display:flex;align-items:center;gap:8px;
  font-size:10px;font-weight:600;letter-spacing:.26em;text-transform:uppercase;color:#fff;
  opacity:0;transform:translateY(8px);
  transition:opacity .4s ease,transform .5s var(--ease-out);
}
.work-view::after{content:"→";letter-spacing:0;transition:transform .35s var(--ease-out);}
.work:hover .work-thumb::after{opacity:1;}
.work:hover .work-view{opacity:1;transform:none;}
.work:hover .work-view::after{transform:translateX(5px);}
.work-meta{display:flex;flex-direction:column;gap:2px;}
.work-cat{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);}
.work-title{font-size:16px;font-weight:500;letter-spacing:.01em;transition:color .3s ease;}
.work:hover .work-title{color:var(--accent);}
.work-year{font-size:12px;color:var(--muted);}

/* ===== 分类版式变体 ===== */
/* 瀑布流：CSS 多列，卡片保留各自画面比例，形成错落下坠 */
.work-grid--masonry{display:block;columns:3;column-gap:26px;}
.work-grid--masonry .work{margin:0 0 var(--gap);break-inside:avoid;position:relative;}
.work-grid--masonry .work-thumb{aspect-ratio:auto;}
/* 瀑布流走纯图片观感：标题/年份叠加在图上，底部常驻渐变保可读；hover 提示移右下角 */
.work-grid--masonry .work-thumb::after{opacity:1;background:linear-gradient(to top,rgba(0,0,0,.55),transparent 40%);}
.work-grid--masonry .work:hover .work-thumb::after{background:linear-gradient(to top,rgba(0,0,0,.75),transparent 46%);}
.work-grid--masonry .work-meta{
  position:absolute;left:18px;bottom:13px;right:18px;z-index:2;
}
.work-grid--masonry .work-title{color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.5);}
.work-grid--masonry .work-year{color:rgba(255,255,255,.72);}
.work-grid--masonry .work-view{left:auto;right:18px;}
html.js .work-grid--masonry .work.rv .work-meta{opacity:0;transition:none;}
html.js .work-grid--masonry .work.rv.in .work-meta{opacity:1;transition:opacity .5s ease calc(var(--rvd,0s) + .9s);}
/* 网格拼图：3x3 杂志式宫格，前 6 项按固定区域拼贴，其余自动落行 */
.work-grid--mosaic{
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,260px);
  grid-auto-rows:260px;
  grid-template-areas:
    "a a b"
    "c d b"
    "c e f";
}
.work-grid--mosaic .work{height:100%;}
.work-grid--mosaic .work:nth-child(1){grid-area:a;}
.work-grid--mosaic .work:nth-child(2){grid-area:b;}
.work-grid--mosaic .work:nth-child(3){grid-area:c;}
.work-grid--mosaic .work:nth-child(4){grid-area:d;}
.work-grid--mosaic .work:nth-child(5){grid-area:e;}
.work-grid--mosaic .work:nth-child(6){grid-area:f;}
.work-grid--mosaic .work-thumb{aspect-ratio:auto;flex:1;}
.work-idx{
  font-family:var(--display);font-style:italic;
  font-size:13.5px;letter-spacing:.14em;line-height:1.2;color:var(--accent);
}

/* 图片加载完成后淡入（JS 加 .is-loaded） */
@media (prefers-reduced-motion: no-preference){
  html.js .site-main img{opacity:0;}
  html.js .site-main img.is-loaded{opacity:1;}
}

/* ===== brand wall（Selected Brand 页品牌墙） =====
   序号计数 + 衬线大字的编辑式排版；CSS grid 多列自动换行，
   任意数量 / 长短 / 大小写的品牌名都能自然排开（后台自助增删即可）。 */
.brandwall{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(3,1fr);
  column-gap:26px;counter-reset:bw;
}
.brandwall li{
  counter-increment:bw;
  display:flex;align-items:baseline;gap:16px;
  padding:19px 0;border-bottom:1px solid var(--line);
}
.brandwall li::before{
  content:counter(bw,decimal-leading-zero);
  flex:none;
  font-family:var(--display);font-style:italic;font-size:14px;
  letter-spacing:.12em;color:var(--accent);
}
.brandwall a,.brandwall span{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.3rem,2.2vw,1.7rem);
  letter-spacing:.02em;line-height:1.25;
  overflow-wrap:anywhere;
  transition:color .3s ease,letter-spacing .45s var(--ease-out);
}
.brandwall a:hover{color:var(--accent);letter-spacing:.06em;}

/* ===== about ===== */
.about{display:grid;grid-template-columns:0.85fr 1fr;gap:64px;align-items:start;padding-top:72px;}
.about-portrait{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bg-raise);}
.about-portrait img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(28%);
  transition:transform 1s var(--ease-out),filter .6s ease,
             clip-path 1.1s calc(var(--rvd,0s) + .05s) var(--ease-out);
}
.about-portrait:hover img{transform:scale(1.03);filter:grayscale(0);}
/* 幕帘式揭示加在内层 img 上：IO 不把子元素 clip 计入交叉计算，避免死锁 */
@media (prefers-reduced-motion: no-preference){
  html.js .about-portrait.rv img{clip-path:inset(0 100% 0 0);}
  html.js .about-portrait.rv.in img{clip-path:inset(0 0% 0 0);}
}
.about-body p{color:#e8e5de;max-width:54ch;margin:0 0 18px;}
.about-body .lead{
  font-family:var(--display);font-style:italic;font-weight:500;
  font-size:clamp(1.35rem,2.4vw,1.7rem);line-height:1.55;color:var(--fg);
}
.contact-lines{display:flex;gap:26px;flex-wrap:wrap;margin-top:22px;}
.text-link{
  display:inline-block;color:var(--fg);border-bottom:1px solid var(--accent-soft);
  padding-bottom:2px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  transition:border-color .3s ease,color .3s ease;
}
.text-link:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* ===== project detail ===== */
.project{padding-top:64px;}
.project-head{margin-bottom:40px;}
.back-link{
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  transition:color .3s ease,letter-spacing .35s var(--ease-out);
}
.back-link:hover{color:var(--accent);letter-spacing:.24em;}
.project-title{
  font-family:var(--display);font-weight:600;
  font-size:clamp(2.4rem,5.2vw,3.7rem);letter-spacing:.01em;line-height:1.08;
  margin:16px 0 14px;
}
.project-sub{
  display:flex;gap:18px;flex-wrap:wrap;align-items:center;
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0;
}
.project-sub span+span::before{
  content:"";display:inline-block;width:3px;height:3px;border-radius:50%;
  background:var(--accent);margin-right:18px;vertical-align:middle;
}
/* 详情页演职员行（客户/导演/时长/画幅，后台作品表单可编辑） */
.project-credits{
  display:flex;flex-wrap:wrap;gap:20px 48px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:20px 0;margin:30px 0 0;max-width:760px;
}
.credits-item{display:flex;flex-direction:column;gap:2px;min-width:130px;}
.credits-item dt{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);}
.credits-item dd{margin:0;font-size:14.5px;color:var(--fg);}
.project-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);margin:8px 0 40px;}
.project-shot{
  display:block;aspect-ratio:3/2;overflow:hidden;background:var(--bg-raise);cursor:zoom-in;
}
.project-shot img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 1.1s var(--ease-out),opacity .6s ease,
             clip-path 1.05s calc(var(--rvd,0s) + .05s) var(--ease-out);
}
.project-shot:hover img{transform:scale(1.04);}
@media (prefers-reduced-motion: no-preference){
  html.js .project-shot.rv img{clip-path:inset(0 0 100% 0);transform:scale(1.1);}
  html.js .project-shot.rv.in img{clip-path:inset(0 0 0% 0);transform:scale(1);}
}
/* 详情页视频（后台 videos 字段，逗号分隔；留空不渲染该区块） */
.project-videos{display:grid;gap:var(--gap);margin:8px 0 40px;}
.project-video{margin:0;background:var(--bg-raise);}
.project-video video{
  display:block;width:100%;max-height:78vh;object-fit:contain;background:#000;
}
.project-note{max-width:62ch;color:#e8e5de;margin:0 0 44px;}
.project-next{border-top:1px solid var(--line);}
.project-next a{
  display:flex;align-items:center;justify-content:space-between;
  padding:34px 4px;
  font-family:var(--display);font-style:italic;font-weight:500;
  font-size:clamp(1.3rem,2.6vw,1.9rem);letter-spacing:.02em;color:var(--fg);
  transition:color .3s ease,padding .4s var(--ease-out);
}
.project-next a::after{
  content:"→";font-style:normal;font-family:var(--sans);font-size:1.2em;
  transition:transform .4s var(--ease-out);
}
.project-next a:hover{color:var(--accent);padding-right:12px;}
.project-next a:hover::after{transform:translateX(10px);}

/* ===== notfound ===== */
.notfound{padding-top:140px;text-align:center;}
.notfound h1{font-family:var(--display);font-weight:600;font-size:clamp(3rem,8vw,5rem);margin:0 0 12px;}

/* ===== footer ===== */
.site-footer{border-top:1px solid var(--line);padding:42px 0;margin-top:48px;}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.foot-social{display:flex;gap:26px;flex-wrap:wrap;}
.foot-link{
  position:relative;font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);transition:color .25s ease;
}
.foot-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-5px;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:right;
  transition:transform .4s var(--ease-out);
}
.foot-link:hover{color:var(--fg);}
.foot-link:hover::after{transform:scaleX(1);transform-origin:left;}
.copyright{margin:0;font-size:11px;letter-spacing:.06em;color:var(--muted);}

/* ===== lightbox（JS 注入，支持左右切换/计数） ===== */
.lightbox{
  position:fixed;inset:0;background:rgba(12,12,14,.94);
  display:flex;align-items:center;justify-content:center;z-index:100;padding:40px;
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s;
}
.lightbox.open{opacity:1;visibility:visible;}
.lb-stage{margin:0;max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center;gap:16px;}
.lb-stage img{
  max-width:100%;max-height:calc(100vh - 140px);object-fit:contain;
  opacity:0;transform:scale(.97);
  transition:opacity .35s ease,transform .45s var(--ease-out);
}
.lb-stage img.show{opacity:1;transform:none;}
.lb-count{
  font-size:11px;letter-spacing:.3em;color:var(--muted);user-select:none;
}
.lb-close,.lb-arrow{
  position:absolute;z-index:2;
  display:flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:50%;
  background:none;border:1px solid rgba(255,255,255,.25);color:#fff;
  font-size:17px;cursor:pointer;user-select:none;
  transition:border-color .3s ease,background-color .3s ease,transform .3s var(--ease-out),opacity .3s ease;
}
.lb-close:hover,.lb-arrow:hover{border-color:var(--accent);color:var(--accent);transform:scale(1.06);}
.lb-close{top:26px;right:28px;}
.lb-arrow{top:50%;margin-top:-24px;}
.lb-prev{left:30px;}
.lb-next{right:30px;}
.lb-next svg{transform:scaleX(-1);}
.lb-arrow svg{display:block;}
.lightbox:not(.open) .lb-close,
.lightbox:not(.open) .lb-arrow,
.lightbox:not(.open) .lb-count{opacity:0;}
.lightbox.open .lb-close,.lightbox.open .lb-arrow{transition-delay:.15s;}
.lightbox.open .lb-count{transition-delay:.3s;}

/* ===== responsive ===== */
@media (max-width:900px){
  .work-grid{grid-template-columns:repeat(2,1fr);}
  .work-grid--masonry{columns:2;}
  /* 拼图宫格在窄屏退化为普通双列网格，避免区域挤压 */
  .work-grid--mosaic{grid-template-columns:repeat(2,1fr);grid-template-areas:none;grid-template-rows:none;grid-auto-rows:auto;}
  .work-grid--mosaic .work:nth-child(n){grid-area:auto;}
  .work-grid--mosaic .work{height:auto;}
  .work-grid--mosaic .work-thumb{aspect-ratio:3/2;flex:none;}
  .brandwall{grid-template-columns:repeat(2,1fr);}
  .about{grid-template-columns:1fr;gap:36px;}
  .project-gallery{grid-template-columns:1fr;}
}
@media (max-width:680px){
  .header-inner{padding:22px 64px 14px;}
  .site-header.scrolled .header-inner{padding:14px 64px 8px;}
  .nav-toggle{display:flex;}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    background:#1c1c1f;
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    justify-content:flex-start;
    flex-direction:column;gap:0;padding:6px 22px 18px;
    border-bottom:1px solid var(--line);
    display:none;
  }
  .site-nav.open{display:flex;animation:navDrop .35s var(--ease-out);}
  @keyframes navDrop{from{opacity:0;transform:translateY(-10px);}to{opacity:1;transform:none;}}
  .site-nav a{padding:13px 0;border-bottom:1px solid var(--line);opacity:.8;}
  .site-nav a::after{display:none;}
  .site-nav a.active{border-bottom-color:var(--accent);opacity:1;}
  .site-header.scrolled .site-nav{padding:6px 22px 18px;}
  .reel{margin-top:28px;}
  .reel-frame{aspect-ratio:4/3;}
  .reel-corner{font-size:9px;letter-spacing:.14em;bottom:16px;}
  .reel-corner-l{left:18px;}
  .reel-corner-r{right:18px;}
  .work-grid{grid-template-columns:1fr;}
  .work-grid--masonry{columns:1;}
  .work-grid--mosaic{grid-template-columns:1fr;}
  .brandwall{grid-template-columns:1fr;}
  .block{padding-top:60px;}
  .wrap{padding:0 22px;}
  .lb-arrow{width:40px;height:40px;margin-top:-20px;}
  .lb-prev{left:10px;}
  .lb-next{right:10px;}
  .lb-close{top:14px;right:14px;}
}

/* ===== reduced motion：停用全部主动效 ===== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .bg-glow,.reel-frame img,.reel-play::before{animation:none;}
  .reel-frame img{transform:none;}
  .rv,.work-thumb,.project-shot,.about-portrait,.work-grid--masonry .work-meta{transition:none;}
}