/* =========================================================
   影像作品集 · 站点样式
   想改配色：只改下面的 :root 变量即可
   ========================================================= */

:root{
  --bg:        #0a0a0b;
  --bg-soft:   #111113;
  --line:      rgba(255,255,255,.12);
  --text:      #f3f1ec;
  --text-dim:  #9b9890;
  --accent:    #ff5a36;

  --pad:       clamp(20px, 5vw, 72px);
  --maxw:      1440px;
  --ease:      cubic-bezier(.22,.61,.36,1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,video{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
h1,h2,h3{ margin:0; font-weight:600; letter-spacing:-.02em; line-height:1.05; }
p{ margin:0; }

::selection{ background:var(--accent); color:#fff; }

/* 胶片颗粒（纯 CSS/SVG，无外链） */
.grain{
  position:fixed; inset:-50%; z-index:60; pointer-events:none;
  opacity:.055; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
  animation:grainShift 6s steps(6) infinite;
}
@keyframes grainShift{
  0%{transform:translate(0,0)}   20%{transform:translate(-3%,2%)}
  40%{transform:translate(2%,-3%)} 60%{transform:translate(-2%,-2%)}
  80%{transform:translate(3%,1%)}  100%{transform:translate(0,0)}
}

/* ---------------------------------------------------------
   头部
   --------------------------------------------------------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; align-items:center; gap:32px;
  padding:22px var(--pad);
  transition:background .4s var(--ease), padding .4s var(--ease),
             border-color .4s var(--ease), backdrop-filter .4s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(10,10,11,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
  padding-top:14px; padding-bottom:14px;
}
.brand{
  font-size:18px; font-weight:700; letter-spacing:.02em;
  margin-right:auto;
}
.brand .dot{ color:var(--accent); margin-left:3px; font-size:1.15em; line-height:0; }

.nav{ display:flex; gap:28px; }
.nav a{
  font-size:13px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--text-dim); position:relative; padding:4px 0;
  transition:color .3s var(--ease);
}
.nav a::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:100%;
  background:var(--accent); transform:scaleX(0); transform-origin:right;
  transition:transform .4s var(--ease);
}
.nav a:hover{ color:var(--text); }
.nav a:hover::after{ transform:scaleX(1); transform-origin:left; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 20px; border-radius:100px;
  border:1px solid var(--line);
  font-size:13px; letter-spacing:.06em;
  transition:background .3s var(--ease), color .3s var(--ease),
             border-color .3s var(--ease), transform .3s var(--ease);
  white-space:nowrap;
}
.btn:hover{ background:var(--text); color:var(--bg); border-color:var(--text); }
.btn-solid{ background:var(--accent); border-color:var(--accent); color:#fff; }
.btn-solid:hover{ background:#ff7454; border-color:#ff7454; color:#fff; transform:translateY(-1px); }
.btn-ghost{ color:var(--text-dim); }

/* ---------------------------------------------------------
   占位底图（有真实素材后会被内联样式覆盖）
   --------------------------------------------------------- */
[data-placeholder]{
  background:
    radial-gradient(115% 90% at 22% 12%, rgba(255,90,54,.16), transparent 62%),
    radial-gradient(90% 80% at 84% 86%, rgba(70,100,190,.13), transparent 66%),
    linear-gradient(160deg, #191a1d 0%, #0b0b0d 58%, #141518 100%);
  position:relative; overflow:hidden;
}
[data-placeholder]::after{
  content:""; position:absolute; inset:0;
  background-image:repeating-linear-gradient(
    90deg, rgba(255,255,255,.028) 0 1px, transparent 1px 90px);
  pointer-events:none;
}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */
.hero{
  position:relative; height:100svh; min-height:640px;
  display:flex; flex-direction:column; justify-content:flex-start;
  padding:120px var(--pad) 0;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0; z-index:0;
  animation:heroZoom 24s var(--ease) forwards;
}
@keyframes heroZoom{ from{ transform:scale(1.12); } to{ transform:scale(1); } }
.hero::after{
  content:""; position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(180deg, rgba(10,10,11,.55) 0%, rgba(10,10,11,.30) 45%, var(--bg) 100%);
}
.hero-inner{
  position:relative; z-index:2; max-width:var(--maxw); width:100%; margin:0 auto;
  flex:1 1 auto; min-height:0;
  display:flex; flex-direction:column; justify-content:center;
}
.hero-copy{ flex:0 0 auto; min-width:0; }

/* 首屏横屏动效带（HyperFrames 能力系统片）
   比例锁 6.5:1 —— 出片按这个尺寸做，各视口裁切量才一致 */
.hero-reel{
  position:relative; margin:clamp(26px, 4vh, 52px) 0 0;
  flex:0 0 auto;
  aspect-ratio:1296 / 200;
  border-radius:14px; overflow:hidden;
  background:#0b0b0d;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:
    0 24px 70px -30px rgba(255,90,54,.42),
    0 40px 90px -44px rgba(0,0,0,.92);
  opacity:0;
  animation:fadeUp 1.2s var(--ease) .6s forwards;
  isolation:isolate;
}
.hero-reel video{
  width:100%; height:100%; object-fit:cover; object-position:center 48%;
  transition:opacity .3s linear;
}
.reel-edge{
  position:absolute; inset:0; pointer-events:none; border-radius:inherit;
  background:linear-gradient(180deg,
    rgba(10,10,11,.50) 0%, transparent 20%,
    transparent 74%, rgba(10,10,11,.82) 100%);
}
.reel-cap{
  position:absolute; left:14px; right:14px; bottom:12px;
  display:flex; justify-content:space-between; align-items:baseline; gap:8px;
  font-size:9.5px; letter-spacing:.2em; text-transform:uppercase;
  color:rgba(243,241,236,.60); pointer-events:none;
}
.reel-cap i{ font-style:normal; color:var(--accent); letter-spacing:.1em; }

/* 自动播放被拦时的兜底按钮（iOS 低电量 / 微信 WebView） */
.hero-reel-play{
  position:absolute; left:50%; top:50%;
  transform:translate(-50%,-50%) scale(.9);
  width:54px; height:54px; border-radius:50%;
  display:grid; place-items:center;
  background:rgba(10,10,11,.58);
  border:1px solid rgba(255,255,255,.30);
  -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  color:#fff;
  opacity:0; pointer-events:none;
  transition:opacity .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
}
.hero-reel-play svg{ width:20px; height:20px; fill:currentColor; margin-left:2px; }
.hero-reel-play.is-on{ opacity:1; pointer-events:auto; transform:translate(-50%,-50%) scale(1); }
.hero-reel-play:hover{ background:var(--accent); border-color:var(--accent); }

.eyebrow{
  font-size:12px; letter-spacing:.28em; text-transform:uppercase;
  color:var(--text-dim); margin-bottom:28px;
  opacity:0; animation:fadeUp .9s var(--ease) .15s forwards;
}
.hero-title{
  font-size:clamp(48px, 9.5vw, 148px);
  font-weight:700; letter-spacing:-.045em; line-height:.92;
  margin-bottom:32px;
  opacity:0; animation:fadeUp 1s var(--ease) .25s forwards;
}
.hero-title .accent{
  color:var(--accent); font-style:italic;
  font-family:Georgia, "Songti SC", serif; font-weight:400;
  letter-spacing:-.02em;
}
.hero-sub{
  max-width:44ch; color:#c9c6bf; font-size:clamp(14px,1.4vw,17px);
  opacity:0; animation:fadeUp 1s var(--ease) .38s forwards;
}
.hero-actions{
  display:flex; flex-wrap:wrap; gap:14px; margin-top:40px;
  opacity:0; animation:fadeUp 1s var(--ease) .5s forwards;
}
@keyframes fadeUp{
  from{ opacity:0; transform:translateY(26px); }
  to  { opacity:1; transform:none; }
}

.hero-foot{
  position:relative; z-index:2; max-width:var(--maxw); width:100%;
  margin:auto auto 0; padding:0 0 34px;
  display:flex; align-items:flex-end; justify-content:space-between; gap:20px;
  font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--text-dim);
}
.scroll-cue{ display:inline-flex; align-items:center; gap:10px; }
.scroll-cue i{
  width:1px; height:44px; background:linear-gradient(var(--text-dim), transparent);
  position:relative; overflow:hidden;
}
.scroll-cue i::after{
  content:""; position:absolute; inset:0 auto 0 0; width:1px; height:14px;
  background:var(--accent); animation:scrollLine 2s var(--ease) infinite;
}
@keyframes scrollLine{
  0%{ transform:translateY(-14px); } 100%{ transform:translateY(44px); }
}

/* ---------------------------------------------------------
   跑马灯
   --------------------------------------------------------- */
.marquee{
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  overflow:hidden; padding:18px 0; background:var(--bg-soft);
}
.marquee-track{
  display:flex; gap:48px; width:max-content;
  animation:slide 38s linear infinite;
  font-size:13px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--text-dim); white-space:nowrap;
}
.marquee-track span{ display:inline-flex; align-items:center; gap:48px; }
.marquee-track span::after{ content:"✦"; color:var(--accent); font-size:10px; }
@keyframes slide{ to{ transform:translateX(-50%); } }

/* ---------------------------------------------------------
   通用分区
   --------------------------------------------------------- */
.section{
  max-width:var(--maxw); margin:0 auto;
  padding:clamp(72px,10vw,150px) var(--pad);
}
.section-head{
  display:flex; align-items:baseline; gap:20px; flex-wrap:wrap;
  padding-bottom:20px; margin-bottom:clamp(28px,4vw,54px);
  border-bottom:1px solid var(--line);
}
.section-head .idx{
  font-size:11px; letter-spacing:.2em; color:var(--accent);
  border:1px solid rgba(255,90,54,.4); border-radius:100px;
  padding:3px 9px;
}
.section-head h2{
  font-size:clamp(24px,3.4vw,44px); font-weight:600;
  letter-spacing:-.03em;
}
.section-note{
  margin-left:auto; font-size:11px; letter-spacing:.16em;
  text-transform:uppercase; color:var(--text-dim);
}

/* 进场动画 */
.reveal{ opacity:0; transform:translateY(34px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in{ opacity:1; transform:none; }

/* ---------------------------------------------------------
   主推作品（竖屏）
   --------------------------------------------------------- */
.feature{
  display:grid; grid-template-columns:minmax(0,5fr) minmax(0,6fr);
  gap:clamp(28px,4.5vw,64px); align-items:center;
}
.feature-media{
  position:relative; display:block; width:auto; height:min(76vh, 780px);
  aspect-ratio:9/16; justify-self:start;
  padding:0; overflow:hidden; border-radius:6px;
  border:1px solid var(--line); cursor:pointer;
}
.feature-thumb{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  transition:transform 1.1s var(--ease), filter .6s var(--ease);
  filter:saturate(.92);
}
.feature-media:hover .feature-thumb{ transform:scale(1.04); filter:saturate(1.06); }
.feature-scrim{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background:linear-gradient(to top,
    rgba(6,6,7,.88) 0%, rgba(6,6,7,.52) 26%, rgba(6,6,7,.10) 52%, rgba(6,6,7,0) 70%);
}
.feature-info{
  position:absolute; left:0; right:0; bottom:0; z-index:2;
  display:flex; flex-direction:column; gap:7px;
  padding:0 20px 20px; text-align:left; pointer-events:none;
}
.feature-cap{
  font-size:10px; letter-spacing:.24em; text-transform:uppercase;
  color:var(--accent);
}
.feature-name{
  font-size:clamp(16px,1.5vw,20px); font-weight:700; line-height:1.3;
  letter-spacing:-.01em; color:#fff;
}
.feature-sub{
  font-size:11px; letter-spacing:.1em; color:rgba(255,255,255,.6);
}
.reel-play{
  position:absolute; inset:0; margin:auto; z-index:2;
  width:88px; height:88px; border-radius:50%;
  display:grid; place-items:center;
  border:1px solid rgba(255,255,255,.5);
  background:rgba(10,10,11,.28);
  backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
  transition:transform .45s var(--ease), background .45s var(--ease);
}
.reel-play svg{ width:24px; height:24px; fill:#fff; margin-left:4px; }
.feature-media:hover .reel-play{ transform:scale(1.08); background:var(--accent); border-color:var(--accent); }

.feature-kicker{
  font-size:11px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--accent); margin-bottom:14px;
}
.feature-kicker span{
  margin-left:8px; letter-spacing:.04em; text-transform:none;
  color:var(--text-dim);
}
.feature-title{
  font-size:clamp(22px,2.6vw,34px); line-height:1.28;
  letter-spacing:-.02em; margin-bottom:16px; font-weight:600;
}
.feature-desc{ color:#b2afa8; max-width:54ch; margin-bottom:26px; }

/* 能力链路：左侧分类 + 右侧流程 */
.feature-flow{ list-style:none; margin:0 0 30px; padding:0; border-top:1px solid var(--line); }
.feature-flow li{
  display:grid; grid-template-columns:minmax(72px,92px) minmax(0,1fr);
  gap:4px 18px; align-items:baseline;
  padding:11px 0; border-bottom:1px solid var(--line);
}
.flow-label{
  font-size:11.5px; letter-spacing:.1em; color:var(--text-dim); white-space:nowrap;
}
.flow-steps{
  font-size:14px; font-weight:600; color:#eae7e1;
  letter-spacing:.01em; line-height:1.6;
}
.flow-steps i{
  font-style:normal; font-weight:400;
  color:var(--text-dim); margin:0 .55em;
}
/* 能力区按钮比页头按钮更实一些，和参考图的比重对齐 */
.feature-text .btn{ padding:14px 26px; font-size:13.5px; }

/* ---------------------------------------------------------
   作品网格
   --------------------------------------------------------- */
.filters{
  display:flex; gap:8px; flex-wrap:wrap; margin-bottom:32px;
}
.chip{
  padding:8px 16px; border-radius:100px; border:1px solid var(--line);
  font-size:12px; letter-spacing:.08em; color:var(--text-dim);
  transition:all .3s var(--ease);
}
.chip:hover{ color:var(--text); border-color:rgba(255,255,255,.3); }
.chip.is-active{ background:var(--text); color:var(--bg); border-color:var(--text); }

.grid{
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:clamp(12px,1.6vw,20px) clamp(10px,1.1vw,14px);
}
/* 竖屏作品卡：整块封面 + 顶部英文分类 + 底部文字压在渐变上 */
.card{
  position:relative; display:block;
  width:100%; aspect-ratio:9/16; overflow:hidden; border-radius:8px;
  padding:0; border:1px solid rgba(255,255,255,.07);
  background:#0c0c0e; text-align:left; cursor:pointer;
  opacity:0; transform:translateY(30px);
  transition:opacity .8s var(--ease), transform .8s var(--ease),
             border-color .45s var(--ease);
}
.card.in{ opacity:1; transform:none; }
.card.is-hidden{ display:none; }
.card:hover{ border-color:rgba(255,255,255,.18); }

.card-media{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  transition:transform 1.2s var(--ease), filter .6s var(--ease);
}
.card:hover .card-media{ transform:scale(1.055); filter:brightness(.94); }

/* 底部压暗，保证文字在任何封面上都能读 */
.card-scrim{
  position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(to top,
    rgba(6,6,8,.94) 0%, rgba(6,6,8,.72) 22%,
    rgba(6,6,8,.28) 44%, rgba(6,6,8,0) 62%);
}

/* 左上角：橙色斜杠 + 英文分类 */
.card-kicker{
  position:absolute; top:16px; left:16px; right:16px;
  display:flex; align-items:center; gap:8px;
  font-size:clamp(9px,.82vw,11px); font-weight:500; letter-spacing:.22em;
  text-transform:uppercase; color:rgba(255,255,255,.82);
  white-space:nowrap; overflow:hidden;
}
.card-kicker i{
  flex:none; display:block; width:2px; height:1.1em;
  background:var(--accent); border-radius:1px;
  transform:skewX(-14deg);
}

/* 底部文字块 */
.card-body{
  position:absolute; left:16px; right:16px; bottom:15px;
  display:block;
}
.card-title{
  display:block; color:#fff;
  font-size:clamp(17px,2vw,23px); font-weight:700;
  line-height:1.3; letter-spacing:-.015em;
}
.card-sub{
  display:block; margin-top:7px;
  font-size:11.5px; line-height:1.5;
  color:rgba(255,255,255,.56);
}
.card-foot{
  display:flex; align-items:center; gap:10px;
  margin-top:13px;
}
.card-meta{
  font-size:11px; color:rgba(255,255,255,.5);
  letter-spacing:.02em; white-space:nowrap;
  overflow:hidden; text-overflow:ellipsis;
}
.card-dur{
  flex:none; margin-left:auto;
  font-size:11px; letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
  padding:4px 9px; border-radius:5px;
  color:rgba(255,255,255,.92);
  background:rgba(0,0,0,.52);
  border:1px solid rgba(255,255,255,.09);
  backdrop-filter:blur(6px);
}

/* 悬停才出现的播放按钮 */
.card-play{
  position:absolute; inset:0; display:grid; place-items:center;
  opacity:0; transition:opacity .35s var(--ease);
}
.card:hover .card-play{ opacity:1; }
.card-play span{
  width:54px; height:54px; border-radius:50%;
  display:grid; place-items:center;
  background:rgba(255,90,54,.92);
  border:1px solid rgba(255,255,255,.5);
  transform:scale(.88); transition:transform .35s var(--ease);
}
.card:hover .card-play span{ transform:scale(1); }
.card-play svg{ width:17px; height:17px; fill:#fff; margin-left:3px; }

/* ---------------------------------------------------------
   About
   --------------------------------------------------------- */
.about-body{
  display:grid; grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:clamp(28px,5vw,72px); align-items:start;
}
.portrait{
  position:relative; margin:0; aspect-ratio:4/5; border-radius:4px;
  overflow:hidden; border:1px solid var(--line);
  background:var(--bg-soft);
}
.portrait img{
  width:100%; height:100%; object-fit:cover; object-position:center 40%;
  display:block; transition:transform 1.2s var(--ease);
}
.portrait:hover img{ transform:scale(1.03); }
.portrait figcaption{
  position:absolute; left:0; right:0; bottom:0; z-index:2;
  padding:44px 18px 16px;
  font-size:10px; letter-spacing:.22em; text-transform:uppercase;
  color:rgba(255,255,255,.82);
  background:linear-gradient(to top, rgba(8,8,10,.82), rgba(8,8,10,0));
}
.about-text .lead{
  font-size:clamp(17px,2vw,22px); line-height:1.55; color:#e8e5de;
  letter-spacing:-.01em; margin-bottom:20px;
}
.about-text .lead strong{ color:var(--accent); font-weight:600; }

/* 名字下的身份行 */
.about-text .about-role{
  font-size:12px; letter-spacing:.15em; color:var(--accent);
  margin:-6px 0 24px; max-width:none;
}
/* 一句话 slogan */
.about-text .about-motto{
  font-family:Georgia, "Songti SC", serif; font-style:italic;
  font-size:clamp(18px,1.9vw,23px); line-height:1.55; color:#eae7e0;
  border-left:2px solid var(--accent); padding-left:18px;
  margin-bottom:28px; letter-spacing:0;
}
.about-text > p{ color:#b2afa8; margin-bottom:20px; max-width:56ch; }
.about-text > p:last-of-type{ margin-bottom:32px; }

.facts{ list-style:none; margin:0 0 36px; padding:0; border-top:1px solid var(--line); }
.facts li{
  display:flex; gap:20px; padding:14px 0; border-bottom:1px solid var(--line);
  font-size:14px; color:#c9c6bf;
}
.facts li span{
  min-width:88px; color:var(--accent); font-size:12px;
  letter-spacing:.1em; text-transform:uppercase; padding-top:3px;
}
.skills{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.skills h3{
  font-size:10px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--text-dim); margin-bottom:8px; font-weight:500;
}
.skills p{ font-size:14px; color:#d8d5ce; }

/* ---------------------------------------------------------
   Contact
   --------------------------------------------------------- */
/* 联系方式：飞书 / 微信 双入口 */
/* Contact：两个大入口 + 社交链接，合并在同一个板块里 */
.contact-plate{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.contact-links{
  display:grid; grid-template-columns:repeat(2, minmax(0,1fr));
}
.contact-link{
  display:flex; flex-direction:column; align-items:flex-start; gap:8px;
  padding:26px clamp(18px,3vw,44px) 22px 0; text-align:left;
  transition:color .35s var(--ease);
  cursor:pointer;
}
.contact-link:nth-child(2){
  padding:26px 0 22px clamp(18px,3vw,44px);
  border-left:1px solid var(--line);
}
.cl-label{
  display:inline-flex; align-items:center; gap:14px;
  font-size:clamp(30px,4.4vw,58px); font-weight:500;
  letter-spacing:-.035em; line-height:1;
}
.cl-arrow{
  font-size:.4em; color:var(--accent);
  transition:transform .35s var(--ease);
}
.cl-sub{
  font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--text-dim); transition:color .35s var(--ease);
}
.contact-link:hover{ color:var(--accent); }
.contact-link:hover .cl-arrow{ transform:translate(4px,-4px); }
.contact-link:hover .cl-sub{ color:var(--accent); }
.contact-link:focus-visible{ outline:1px solid var(--accent); outline-offset:4px; }

.socials{
  display:flex; flex-wrap:wrap; gap:22px;
  padding:18px 0 20px;
  border-top:1px solid var(--line);
}
.socials a{
  font-size:13px; color:var(--text-dim);
  transition:color .3s var(--ease);
}
.socials a:hover{ color:var(--text); }
/* ---------------------------------------------------------
   页脚
   --------------------------------------------------------- */
.site-footer{
  max-width:var(--maxw); margin:0 auto;
  padding:28px var(--pad) 40px;
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  border-top:1px solid var(--line);
  font-size:11px; letter-spacing:.12em; color:#6d6a64;
}

/* ---------------------------------------------------------
   微信二维码弹窗
   --------------------------------------------------------- */
.qr-modal{
  position:fixed; inset:0; z-index:110; display:grid; place-items:center;
  padding:24px; background:rgba(4,4,5,.92);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  opacity:0; visibility:hidden;
  transition:opacity .35s var(--ease), visibility .35s;
}
.qr-modal.is-open{ opacity:1; visibility:visible; }
.qr-card{
  background:#fff; border-radius:12px; padding:18px 18px 16px;
  text-align:center; width:100%; max-width:min(360px, 84vw);
  transform:scale(.94); transition:transform .45s var(--ease);
  box-shadow:0 30px 80px rgba(0,0,0,.65);
}
.qr-modal.is-open .qr-card{ transform:scale(1); }
.qr-card img{ width:100%; height:auto; border-radius:6px; display:block; }
.qr-card p{ margin:14px 0 3px; font-size:14px; color:#111; font-weight:500; letter-spacing:.02em; }
.qr-card span{ font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:#9a9a9a; }

/* ---------------------------------------------------------
   灯箱
   --------------------------------------------------------- */
.lightbox{
  position:fixed; inset:0; z-index:100;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:16px; padding:24px;
  background:rgba(4,4,5,.94); backdrop-filter:blur(10px);
  opacity:0; visibility:hidden;
  transition:opacity .4s var(--ease), visibility .4s;
}
.lightbox.is-open{ opacity:1; visibility:visible; }
.lb-stage{
  width:min(1200px,100%); aspect-ratio:16/9; position:relative;
  background:#000; border-radius:4px; overflow:hidden;
  transform:scale(.96); transition:transform .5s var(--ease);
}
.lightbox.is-open .lb-stage{ transform:scale(1); }
/* 竖屏素材：舞台自动转成 9:16，避免两侧大片黑边 */
.lb-stage.is-vertical{
  aspect-ratio:9/16; width:auto; height:min(84vh, 100%);
  max-width:100%;
}
.lb-stage video, .lb-stage iframe{
  position:absolute; inset:0; width:100%; height:100%; border:0; object-fit:contain;
}
.lb-stage .lb-empty{
  position:absolute; inset:0; display:grid; place-items:center; text-align:center;
  padding:32px; color:var(--text-dim);
}
.lb-empty-t{ font-size:15px; color:#d8d5ce; margin-bottom:10px; }
.lb-empty-s{ font-size:12px; opacity:.6; letter-spacing:.04em; }
.lb-close{
  position:absolute; top:20px; right:24px;
  width:44px; height:44px; border-radius:50%;
  border:1px solid var(--line); font-size:15px;
  transition:background .3s var(--ease), color .3s var(--ease);
}
.lb-close:hover{ background:var(--text); color:var(--bg); }
.lb-cap{ font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--text-dim); }

/* ---------------------------------------------------------
   响应式
   --------------------------------------------------------- */
@media (max-width:900px){
  .nav{ display:none; }
  .about-body{ grid-template-columns:1fr; }
  .portrait{ aspect-ratio:4/5; max-width:min(100%, 420px); }
  .feature{ grid-template-columns:1fr; gap:32px; }
  .feature-media{ height:auto; width:100%; max-width:320px; justify-self:center; margin:0 auto; }
  .grid{ grid-template-columns:repeat(2,1fr); }
  .skills{ grid-template-columns:1fr; }
  .hero-foot .hero-meta{ display:none; }
}
@media (max-width:700px){
  /* 手机上 6.5:1 会扁成一条线，改回 16:9 几乎不裁 */
  .hero-reel{ aspect-ratio:16 / 9; }
}
@media (max-width:560px){
  .site-header{ gap:16px; padding-left:18px; padding-right:18px; }
  .btn{ padding:9px 15px; font-size:12px; }
  .feature-media{ max-width:300px; margin:0 auto; }
  .reel-play{ width:62px; height:62px; }
  .reel-play svg{ width:18px; height:18px; }
  .section-note{ display:none; }
  .facts li{ flex-direction:column; gap:4px; }
  .contact-links{ grid-template-columns:1fr; }
  .contact-link{ padding:18px 0 16px; }
  .contact-link:nth-child(2){
    padding:18px 0 16px; border-left:0; border-top:1px solid var(--line);
  }
  /* 两列窄卡：内边距和字号一起收，否则底部文字会挤成两行 */
  .grid{ gap:12px; }
  .card-kicker{ top:12px; left:12px; right:12px; font-size:8px; letter-spacing:.16em; }
  .card-body{ left:12px; right:12px; bottom:12px; }
  .card-title{ font-size:15px; }
  .card-sub{ font-size:10.5px; margin-top:5px; }
  .card-foot{ margin-top:10px; gap:6px; }
  .card-meta{ font-size:10px; }
  .card-dur{ font-size:10px; padding:3px 7px; }
  .hero-reel{ border-radius:10px; }
  .reel-cap{ left:9px; right:9px; bottom:8px; font-size:7.5px; letter-spacing:.14em; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.01ms !important; animation-iteration-count:1 !important;
     transition-duration:.01ms !important; scroll-behavior:auto !important; }
  .reveal, .card{ opacity:1 !important; transform:none !important; }
}