/* Hitchmark · 0929v7 — 手机优先。开场 → 取景器首屏 → 叠卡精选 → 幕后职务 → 可筛选索引 → 关于 → 联系 */
:root{
  --bg:#07080b; --bg2:#0c0e13; --ink:#eef2f8; --muted:#8d96a6; --dim:#5b6372;
  --line:rgba(214,226,248,.12); --glass:rgba(22,26,34,.56); --rec:#ff4d4d; --ice:#cfe3ff;
  --ease:cubic-bezier(.22,.8,.24,1); --spring:cubic-bezier(.34,1.4,.5,1);
  --pad:20px; --safe-b:env(safe-area-inset-bottom,0px);
  --serif:"Songti SC","Noto Serif SC",serif;
  --sans:-apple-system,"SF Pro Display","PingFang SC","Helvetica Neue",system-ui,sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,monospace;
}
@media(min-width:760px){:root{--pad:clamp(32px,5vw,88px)}}
*{box-sizing:border-box}
html{background:var(--bg);color:var(--ink);-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;font:400 15px/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden;-webkit-tap-highlight-color:transparent}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;touch-action:manipulation}
a{color:inherit;text-decoration:none}
svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
svg .fill{fill:currentColor;stroke:none}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:6px}
.skip-link{position:fixed;left:12px;top:-60px;z-index:200;padding:10px 14px;border-radius:12px;background:var(--ink);color:var(--bg)}
.skip-link:focus{top:12px}
.glass{background:var(--glass);border:1px solid rgba(230,238,255,.13);-webkit-backdrop-filter:blur(22px) saturate(1.5);backdrop-filter:blur(22px) saturate(1.5);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 12px 40px rgba(0,0,0,.35)}
.silver{background:linear-gradient(100deg,#8e9aae 0%,#f4f7fc 38%,#aab6c9 62%,#eef3fb 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{margin:0 0 14px;font:600 10px/1 var(--mono);letter-spacing:.24em;color:var(--muted);text-transform:uppercase}
.round{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;font-size:18px}
.flip svg{transform:scaleX(-1)}
.grain{position:fixed;inset:-50%;z-index:90;pointer-events:none;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}33%{transform:translate(-4%,3%)}66%{transform:translate(3%,-5%)}100%{transform:translate(-2%,2%)}}
.rec{display:inline-flex;align-items:center;gap:6px}
.rec i{width:7px;height:7px;border-radius:50%;background:var(--rec);box-shadow:0 0 10px var(--rec);animation:blink 1.1s steps(2) infinite}
@keyframes blink{50%{opacity:.15}}

/* ---------- 开场：粒子拼出 HITCHMARK，上滑“开机”进入 ---------- */
.intro{display:none}
.has-intro .intro{display:block;position:fixed;inset:0;z-index:150;background:#050608;overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none;cursor:grab;transition:background-color .9s var(--ease)}
.has-intro body{overflow:hidden}
.intro.dragging{cursor:grabbing}
#intro-canvas{position:absolute;inset:0;width:100%;height:100%;transition:opacity .9s ease .2s}
.intro-covers{display:none}
.intro-hud{position:absolute;left:var(--pad);right:var(--pad);top:max(12px,env(safe-area-inset-top));display:flex;justify-content:space-between;align-items:center;font:500 10px/1 var(--mono);letter-spacing:.18em;color:#c9d1dd}
.intro-hud .rec{gap:8px}
.intro-skip{min-height:44px;padding:0 14px;border-radius:999px;border:1px solid #ffffff24;font:500 11px/1 var(--sans);letter-spacing:.12em;color:#aeb7c6}
.intro-sub{position:absolute;left:0;right:0;top:var(--sub-y,62%);margin:0;text-align:center;font:500 13px/1.6 var(--sans);letter-spacing:.32em;color:#dfe6f0;opacity:0;transform:translateY(12px);transition:opacity .8s var(--ease),transform .8s var(--ease);pointer-events:none}
.intro-sub span{display:block;margin-top:8px;font:500 10px/1 var(--mono);letter-spacing:.3em;color:#7b8494}
.intro-cue{position:absolute;left:50%;bottom:max(30px,calc(var(--safe-b) + 18px));display:grid;justify-items:center;gap:8px;min-width:170px;padding:8px 16px;color:#eef2f8;opacity:0;transform:translate(-50%,14px);transition:opacity .8s var(--ease) .3s,transform .8s var(--ease) .3s}
.cue-arrow{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;border:1px solid #ffffff2e;background:#ffffff0a;font-size:18px;animation:cue 1.8s var(--ease) infinite}
@keyframes cue{0%,100%{transform:translateY(5px);opacity:.55}50%{transform:translateY(-7px);opacity:1}}
.intro-cue b{font-weight:500;font-size:14px;letter-spacing:.26em}
.intro-cue>span:last-child{font:500 9.5px/1 var(--mono);letter-spacing:.26em;color:#7b8494}
.intro.formed .intro-sub{opacity:calc(1 - var(--liftp,0) * 1.4);transform:translateY(calc(var(--lift,0px) * -.55))}
.intro.formed .intro-cue{opacity:calc(1 - var(--liftp,0) * 1.2);transform:translate(-50%,calc(var(--lift,0px) * -1))}
.intro.dragging .intro-sub,.intro.dragging .intro-cue{transition:none}
.intro.leaving{background-color:transparent;pointer-events:none}
.intro.leaving .intro-hud,.intro.leaving .intro-sub,.intro.leaving .intro-cue{opacity:0!important;transition:opacity .35s ease}
.intro.leaving #intro-canvas{opacity:0}
.intro.gone{display:none!important}

/* ---------- 顶栏 ---------- */
.masthead{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;justify-content:space-between;align-items:center;padding:max(14px,env(safe-area-inset-top)) var(--pad) 14px;background:linear-gradient(#07080bd9,#07080b00);pointer-events:none}
.masthead>*{pointer-events:auto}
.wordmark{font:700 13px/1 var(--sans);letter-spacing:.16em}
.wordmark span{margin-left:10px;font-weight:400;letter-spacing:.1em;color:var(--muted)}
.header-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-size:12px;color:var(--muted)}

/* ---------- 首屏：全屏影像 + 取景器 ---------- */
.hero{position:relative;min-height:100svh;display:grid;align-content:end;padding:0 var(--pad) calc(118px + var(--safe-b));overflow:hidden;isolation:isolate}
.hero-film{position:absolute;inset:0;z-index:-2}
.hero-film img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.14);transition:opacity 1.4s ease,transform 7s linear}
.hero-film img.is-on{opacity:1;transform:scale(1.02)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,#07080ba6 0%,#07080b33 30%,#07080b8c 62%,#07080b 100%),radial-gradient(ellipse at 50% 30%,transparent 30%,#07080bb3 100%)}
.viewfinder{position:absolute;inset:max(76px,calc(env(safe-area-inset-top) + 62px)) 14px auto;height:min(46svh,58vw + 40px);pointer-events:none;font:500 9.5px/1 var(--mono);letter-spacing:.16em;color:#dfe6f0cc}
.vf-c{position:absolute;width:18px;height:18px;border:1.5px solid #eef3fbb3}
.vf-tl{left:0;top:0;border-right:0;border-bottom:0}.vf-tr{right:0;top:0;border-left:0;border-bottom:0}
.vf-bl{left:0;bottom:0;border-right:0;border-top:0}.vf-br{right:0;bottom:0;border-left:0;border-top:0}
.vf-cross{position:absolute;left:50%;top:50%;width:22px;height:22px;transform:translate(-50%,-50%)}
.vf-cross::before,.vf-cross::after{content:"";position:absolute;background:#eef3fb80}
.vf-cross::before{left:50%;top:0;bottom:0;width:1px}.vf-cross::after{top:50%;left:0;right:0;height:1px}
.vf-top,.vf-bottom{position:absolute;left:28px;right:28px;display:flex;justify-content:space-between;gap:12px}
.vf-top{top:4px}.vf-bottom{bottom:4px}
.vf-bottom b{font-weight:500;color:#fff}
.vf-bottom>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-copy{max-width:760px}
.hero-title{margin:0;display:grid;gap:4px}
.h-cn{font:600 clamp(54px,17vw,148px)/.95 var(--serif);letter-spacing:.02em}
.h-en{font:700 clamp(15px,4.4vw,34px)/1 var(--sans);letter-spacing:.42em;color:#c5cedb;margin-top:10px}
.hero-line{margin:18px 0 0;color:#c2cad6;font-size:15px}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 20px;border-radius:999px;font-size:14px;font-weight:500;transition:transform .3s var(--spring),background .3s}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--ink);color:#07080b}
.btn-primary svg{font-size:15px}
.btn-ghost{border:1px solid #eef3fb3d;background:#ffffff0d}
.hero-stats{display:flex;gap:26px;margin:30px 0 0;padding-top:18px;border-top:1px solid var(--line)}
.hero-stats div{display:grid;gap:4px}
.hero-stats dt{font:500 10px/1 var(--mono);letter-spacing:.14em;color:var(--muted)}
.hero-stats dd{margin:0;font:600 24px/1 var(--sans)}
.hero-stats small{font-size:14px;color:var(--muted)}
.rise{opacity:0;transform:translateY(22px);filter:blur(6px)}
.ready .rise{opacity:1;transform:none;filter:none;transition:opacity .9s var(--ease),transform 1.1s var(--ease),filter .9s var(--ease);transition-delay:calc(var(--d) * 90ms + 80ms)}

/* ---------- 通用段落 ---------- */
.section{padding:96px var(--pad) 40px}
.sec-head{display:grid;gap:0;margin-bottom:36px}
.sec-head h2{margin:0;font:600 clamp(34px,9.6vw,84px)/1.08 var(--sans);letter-spacing:-.015em}
.sec-aside{margin:16px 0 0;color:var(--muted);font-size:13px;line-height:1.7}
@media(min-width:900px){.sec-head{grid-template-columns:1fr auto;align-items:end}.sec-head .eyebrow{grid-column:1/-1}.sec-aside{text-align:right;margin:0}}
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform 1s var(--ease)}
[data-reveal].in{opacity:1;transform:none}

/* ---------- 精选：往下滑时一张张叠上来 ---------- */
.stack{list-style:none;margin:0;padding:0;display:grid;gap:18vh}
.stack-card{position:sticky;top:calc(84px + var(--i) * 10px);height:min(66svh,560px)}
.stack-inner{position:relative;display:block;width:100%;height:100%;border-radius:26px;overflow:hidden;text-align:left;background:#11141a;box-shadow:0 -18px 50px rgba(0,0,0,.55);transform-origin:50% 0;transform:scale(var(--s,1));filter:brightness(var(--b,1));transition:transform .15s linear,filter .15s linear}
.stack-inner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 1.2s var(--ease)}
.stack-shade{position:absolute;inset:0;background:linear-gradient(180deg,#07080b73 0%,transparent 28%,transparent 45%,#07080bf2 100%)}
.stack-num{position:absolute;top:16px;left:20px;font:700 clamp(46px,14vw,110px)/1 var(--sans);color:transparent;-webkit-text-stroke:1px #eef3fb8c;letter-spacing:-.03em}
.stack-meta{position:absolute;left:20px;right:20px;bottom:60px;display:grid;gap:6px}
.stack-cat{justify-self:start;padding:5px 9px;border-radius:999px;border:1px solid #eef3fb40;font:500 10px/1 var(--mono);letter-spacing:.12em;color:#dfe6f0}
.stack-meta strong{font:600 clamp(22px,6vw,44px)/1.15 var(--sans)}
.stack-meta>span:last-child{color:#c2cad6;font-size:14px}
.stack-foot{position:absolute;left:20px;right:20px;bottom:20px;display:flex;justify-content:space-between;font:500 11px/1 var(--mono);letter-spacing:.08em;color:var(--muted)}
.play-chip{position:absolute;top:18px;right:18px;display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 15px;border-radius:999px;font-size:13px}
.stack-inner:active{--s:.985}
@media(hover:hover){.stack-inner:hover img{transform:scale(1.1)}}
@media(min-width:900px){.stack-card{height:min(76vh,720px)}.stack-meta{left:40px;bottom:74px;max-width:60%}.stack-foot{left:40px;right:40px;bottom:32px}.stack-num{left:40px;top:28px}.play-chip{top:30px;right:30px}}

/* ---------- 幕后：作者性，三个大数字 ---------- */
.author{list-style:none;margin:0;padding:0;display:grid;gap:0}
.author li{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:18px;align-items:baseline;padding:22px 0;border-top:1px solid var(--line)}
.author li:last-child{border-bottom:1px solid var(--line)}
.auth-num{grid-row:1/3;font:600 clamp(58px,17vw,120px)/.9 var(--sans);letter-spacing:-.04em;background:linear-gradient(180deg,#f4f7fc,#8e9aae);-webkit-background-clip:text;background-clip:text;color:transparent;min-width:2.1ch}
.auth-num small{font-size:.26em;letter-spacing:0;margin-left:4px;-webkit-text-fill-color:var(--muted)}
.author strong{font-size:19px;font-weight:600;align-self:end}
.author li>span{color:var(--muted);font-size:13.5px;align-self:start}
.author li{opacity:.001;transform:translateY(18px);transition:opacity .8s var(--ease),transform .9s var(--ease)}
.author.in li{opacity:1;transform:none}
.author.in li:nth-child(2){transition-delay:.12s}.author.in li:nth-child(3){transition-delay:.24s}
.craft-note{margin:30px 0 0;color:#c2cad6;max-width:34em}
.craft-note span{display:block;margin-top:6px;font-size:12px;color:var(--dim)}
@media(min-width:900px){.author{grid-template-columns:repeat(3,1fr);column-gap:40px}.author li{grid-template-columns:1fr;border-bottom:1px solid var(--line)}.auth-num{grid-row:auto;margin-bottom:14px}}
.reduce .author li{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.author li{opacity:1;transform:none}}

/* ---------- 索引：筛选 + 列表 ---------- */
.chips{position:sticky;top:max(58px,calc(env(safe-area-inset-top) + 44px));z-index:10;display:flex;gap:8px;margin:0 calc(var(--pad) * -1) 18px;padding:10px var(--pad);overflow-x:auto;scrollbar-width:none;background:linear-gradient(#07080bf2 70%,#07080b00);scroll-snap-type:x proximity}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 15px;border-radius:999px;border:1px solid var(--line);color:#c2cad6;font-size:13px;scroll-snap-align:start;transition:background .3s,color .3s,border-color .3s}
.chip b{font:500 11px/1 var(--mono);color:var(--dim)}
.chip[aria-pressed=true]{background:var(--ink);color:#07080b;border-color:var(--ink)}
.chip[aria-pressed=true] b{color:#07080b99}
.idx{list-style:none;margin:0;padding:0;display:grid}
.idx-item{border-top:1px solid var(--line)}
.idx-item.hide{display:none}
.idx-item.pop{animation:pop .5s var(--ease) both;animation-delay:calc(var(--k,0) * 22ms)}
@keyframes pop{from{opacity:0;transform:translateY(12px)}}
.idx-item button{display:grid;grid-template-columns:112px 1fr auto;align-items:center;gap:14px;width:100%;padding:12px 0;text-align:left}
.idx-thumb{position:relative;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:#11141a}
.idx-thumb img{width:100%;height:100%;object-fit:cover}
.idx-dur{position:absolute;right:5px;bottom:5px;padding:3px 5px;border-radius:5px;background:#07080bc2;font:500 9.5px/1 var(--mono)}
.idx-text{display:grid;gap:3px;min-width:0}
.idx-text strong{font-size:14.5px;font-weight:500;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.idx-text span{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.idx-role{display:none}
.idx-go{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);font-size:12px;color:#c2cad6;transition:background .3s,color .3s}
.idx-item button:active{background:#ffffff08}
@media(min-width:900px){
  .idx-item button{grid-template-columns:200px 1fr 220px 44px;gap:28px;padding:16px 0}
  .idx-text strong{font-size:17px}.idx-text span{font-size:13.5px}
  .idx-role{display:block;font:500 11.5px/1.4 var(--mono);color:var(--dim)}
  .idx-thumb img{transition:transform .8s var(--ease)}
  .idx-item button:hover .idx-thumb img{transform:scale(1.08)}
  .idx-item button:hover .idx-go{background:var(--ink);color:#07080b}
}

/* ---------- 关于 ---------- */
.about-grid{display:grid;gap:30px}
.bio p{margin:0 0 18px;color:#c2cad6}
.bio .bio-lead{font-size:20px;line-height:1.55;color:var(--ink)}
.bio .muted{color:var(--muted);font-size:14px}
.awards{border-radius:24px;padding:22px}
.award{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--line);font-size:14px}
.award strong{font-weight:600;white-space:nowrap}
.marquee{margin:56px calc(var(--pad) * -1) 0;overflow:hidden;border-block:1px solid var(--line);-webkit-mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;width:max-content;animation:marquee 38s linear infinite}
.marquee-track>div{display:flex;align-items:center;gap:26px;padding:22px 13px;font:600 clamp(18px,4.8vw,30px)/1 var(--sans);letter-spacing:.04em;white-space:nowrap;color:#aeb7c6}
.marquee-track i{font-style:normal;font-size:.5em;color:var(--dim)}
@keyframes marquee{to{transform:translateX(-50%)}}
@media(min-width:900px){.about-grid{grid-template-columns:1.2fr 1fr;gap:80px}.bio .bio-lead{font-size:26px}}

/* ---------- 联系 ---------- */
.contact{position:relative;padding-bottom:calc(140px + var(--safe-b));overflow:hidden;text-align:center}
.contact h2{margin:0 0 30px;font:600 clamp(40px,12vw,110px)/1.05 var(--sans);letter-spacing:-.02em}
.contact-rings{position:absolute;left:50%;top:44%;width:0;height:0;pointer-events:none}
.contact-rings i{position:absolute;left:0;top:0;width:120vmin;height:120vmin;margin:-60vmin;border-radius:50%;border:1px solid #cfe3ff14;animation:ring 7s var(--ease) infinite}
.contact-rings i:nth-child(2){animation-delay:2.3s}.contact-rings i:nth-child(3){animation-delay:4.6s}
@keyframes ring{from{transform:scale(.15);opacity:1}to{transform:scale(1.1);opacity:0}}
.contact-card{position:relative;max-width:520px;margin:0 auto;border-radius:26px;padding:10px}
.contact-main{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:66px;padding:0 10px 0 20px;border-radius:18px;background:var(--ink);color:#07080b;font-size:18px;font-weight:600}
.contact-main .round{background:#07080b;color:var(--ink);width:46px;height:46px}
.contact-mail{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 8px 6px 12px;font-size:13px;color:#c2cad6}
.contact-mail a{overflow:hidden;text-overflow:ellipsis}
.contact-mail button{min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);font-size:12px}
.contact-foot{position:relative;margin:26px 0 0;color:var(--muted);font-size:13px}
.contact-foot a{display:inline-flex;align-items:center;gap:4px;color:#c2cad6}

.footer{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:22px var(--pad) calc(110px + var(--safe-b));border-top:1px solid var(--line);font-size:12px;color:var(--dim)}
.footer a{font-weight:700;letter-spacing:.14em;color:var(--muted)}
.footer-actions{display:flex;gap:6px}
.footer button{min-height:40px;padding:0 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:12px}

/* ---------- 底部导航 ---------- */
.dock{position:fixed;left:50%;bottom:max(14px,calc(var(--safe-b) + 6px));z-index:50;display:flex;padding:5px;border-radius:999px;transform:translateX(-50%);transition:transform .5s var(--ease),opacity .4s}
.dock a{position:relative;z-index:1;display:grid;place-items:center;min-width:56px;height:42px;padding:0 10px;border-radius:999px;font-size:13px;color:#aeb7c6;transition:color .3s}
.dock a[aria-current=true]{color:#07080b}
.dock-pill{position:absolute;top:5px;left:0;height:42px;border-radius:999px;background:var(--ink);transition:transform .5s var(--spring),width .5s var(--spring)}
.dock.hide{transform:translate(-50%,160%);opacity:0}
@media(min-width:760px){.dock a{min-width:72px}}

/* ---------- 播放器：手机底部抽屉，电脑居中 ---------- */
.sheet{position:fixed;inset:0;z-index:120}
.sheet[hidden]{display:none}
.sheet-backdrop{position:absolute;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:0;transition:opacity .45s var(--ease)}
.sheet-panel{position:absolute;left:0;right:0;bottom:0;max-height:94svh;display:flex;flex-direction:column;padding-bottom:var(--safe-b);border-radius:26px 26px 0 0;background:#0e1117;border-top:1px solid #ffffff1a;box-shadow:0 -30px 80px #000;transform:translateY(100%);transition:transform .55s var(--ease);touch-action:none}
.sheet.open .sheet-backdrop{opacity:1}
.sheet.open .sheet-panel{transform:translateY(var(--drag,0px))}
.sheet.dragging .sheet-panel{transition:none}
.sheet-grab{display:grid;place-items:center;height:26px;cursor:grab}
.sheet-grab i{width:40px;height:5px;border-radius:9px;background:#ffffff3d}
.sheet-video{position:relative;aspect-ratio:16/9;background:#000;touch-action:auto}
.sheet-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.sheet-video img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:blur(8px) brightness(.5)}
.sheet-video .loading{position:absolute;left:50%;top:50%;width:34px;height:34px;margin:-17px;border-radius:50%;border:2px solid #ffffff33;border-top-color:#fff;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.sheet-info{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:18px 20px 8px}
.sheet-text{min-width:0}
.sheet-cat{margin:0 0 6px;font:500 10px/1 var(--mono);letter-spacing:.16em;color:var(--muted)}
.sheet-info h3{margin:0;font-size:19px;line-height:1.3;font-weight:600}
.sheet-sub{margin:4px 0 0;color:var(--muted);font-size:13px}
.sheet-nav{flex:none;display:flex;align-items:center;gap:6px;font:500 11px/1 var(--mono);color:var(--muted)}
.sheet-nav .round{width:40px;height:40px;font-size:16px}
.sheet-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 20px 16px}
.sheet-bar a{display:inline-flex;align-items:center;gap:5px;min-height:44px;font-size:13px;color:#c2cad6}
.sheet-close{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 16px;border-radius:999px;background:#ffffff14;font-size:13px}
@media(min-width:900px){
  .sheet-panel{left:50%;right:auto;bottom:50%;width:min(1100px,88vw);border-radius:26px;border:1px solid #ffffff1a;padding-bottom:0;transform:translate(-50%,56%) scale(.96);opacity:0;transition:transform .55s var(--ease),opacity .4s}
  .sheet.open .sheet-panel{transform:translate(-50%,50%);opacity:1}
  .sheet-grab{display:none}
  .sheet-video{border-radius:26px 26px 0 0;overflow:hidden}
}

.toast{position:fixed;left:50%;bottom:calc(84px + var(--safe-b));z-index:130;padding:12px 18px;border-radius:999px;font-size:13px;transform:translate(-50%,20px);opacity:0;pointer-events:none;transition:transform .4s var(--ease),opacity .3s}
.toast.show{transform:translate(-50%,0);opacity:1}

/* ---------- 减弱动效 ---------- */
.reduce *,.reduce *::before,.reduce *::after{animation:none!important;transition-duration:.01ms!important}
.reduce .rise,.reduce [data-reveal]{opacity:1;transform:none;filter:none}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  .rise,[data-reveal]{opacity:1;transform:none;filter:none}

}
@media(min-width:900px){.viewfinder{inset:max(84px,calc(env(safe-area-inset-top) + 70px)) var(--pad) 96px;height:auto}.hero{padding-bottom:128px}.hero-copy{max-width:720px}}