/* MS10 CreativaX — 创意工作室，暖奶油 + 错位栅格 + 揭开 */
:root{
  --cream:#efe7d8;
  --cream-2:#e7ddca;
  --cream-3:#dccfb8;
  --ink:#241d16;
  --ink-2:#3d342a;
  --muted:#7a6d5c;
  --muted-2:#9c8e7c;
  --clay:#b4623c;
  --clay-2:#cf8258;
  --olive:#6d7452;
  --line:rgba(36,29,22,.15);
  --pad:clamp(18px,4.2vw,58px);
  --max:1400px;
  --serif:"Songti SC","SimSun",Georgia,"Times New Roman",serif;
  --sans:"Segoe UI",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.68;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.wrap{position:relative;z-index:2}

/* ---------- 顶部 ---------- */
.head{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;
  justify-content:space-between;gap:20px;padding:19px var(--pad);
  transition:background .35s,box-shadow .35s,padding .35s,backdrop-filter .35s}
.head.solid{background:rgba(239,231,216,.86);backdrop-filter:blur(16px) saturate(130%);
  box-shadow:0 1px 0 var(--line);padding-top:13px;padding-bottom:13px}
.logo{font-family:var(--serif);font-size:19px;letter-spacing:.06em;display:inline-flex;
  align-items:baseline;gap:2px}
.logo i{font-style:normal;color:var(--clay);font-size:11px;transform:translateY(-7px)}
.head nav ul{display:flex;gap:clamp(14px,2.4vw,32px);list-style:none;margin:0;padding:0}
.head nav a{font-size:11.5px;color:var(--ink-2);position:relative;padding-bottom:3px}
.head nav a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--clay);transition:width .32s cubic-bezier(.2,.8,.2,1)}
.head nav a:hover::after,.head nav a.on::after{width:100%}
.head nav a.on{color:var(--ink)}
.head .mail{font-size:11px;letter-spacing:.06em;color:var(--ink-2);border-bottom:1px solid var(--line);
  padding-bottom:2px;transition:color .2s,border-color .2s}
.head .mail:hover{color:var(--clay);border-color:var(--clay)}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;
  justify-content:center;padding:clamp(96px,13vh,136px) var(--pad) clamp(24px,4vh,44px);
  overflow:hidden}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(10px,1.6vw,26px);
  align-items:start}
.hero-copy{grid-column:1 / 8;position:relative;z-index:3}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:9.5px;letter-spacing:.26em;
  text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--clay);display:block}
.hero h1{margin:20px 0 0;font-family:var(--serif);font-weight:400;
  font-size:clamp(2.3rem,5.6vw,4.6rem);line-height:1.08;letter-spacing:-.028em}
/* 标题常驻可见。不再用「裁切窗口 + 过渡」揭开：
   过渡一旦没跑完，首屏就只剩几条字缝。首屏内容不做动画依赖。 */
.hero h1 .ln{display:block;padding-bottom:.06em}
.hero h1 .ln i{display:block;font-style:normal}
.hero h1 em{font-style:italic;color:var(--clay)}
.hero .sub{margin:22px 0 0;max-width:40ch;font-size:14px;line-height:1.9;color:var(--ink-2)}
.hero .acts{display:flex;gap:11px;margin-top:26px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:12px 22px;border-radius:999px;
  font:inherit;font-size:12px;font-weight:500;cursor:pointer;border:1px solid var(--line);
  background:transparent;color:var(--ink);
  transition:background .25s,border-color .25s,color .25s,transform .2s,box-shadow .25s}
.btn:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-clay{background:var(--clay);border-color:var(--clay);color:#fbf6ec;
  box-shadow:0 8px 22px -12px rgba(180,98,60,.9)}
.btn-clay:hover{background:#c06d45;border-color:#c06d45;color:#fff;
  box-shadow:0 12px 28px -12px rgba(180,98,60,.9)}

/* 影像：抽象"背景影片"——缓慢漂移的色块 */
.artwork{grid-column:8 / 13;position:relative;aspect-ratio:4/5;margin-top:clamp(16px,4vw,52px);
  overflow:hidden;background:#d8cab0}
.artwork .film{position:absolute;inset:-8%;
  background:
    radial-gradient(42% 34% at 30% 24%,rgba(255,246,230,.9),transparent 62%),
    radial-gradient(52% 44% at 68% 36%,rgba(207,130,88,.62),transparent 66%),
    radial-gradient(46% 40% at 40% 76%,rgba(109,116,82,.5),transparent 68%),
    linear-gradient(158deg,#e7dcc6,#cdb896 52%,#a8977a);
  animation:drift 30s ease-in-out infinite alternate;filter:saturate(.95)}
@keyframes drift{
  0%{transform:scale(1.04) translate3d(0,0,0)}
  50%{transform:scale(1.1) translate3d(-2%,1.6%,0)}
  100%{transform:scale(1.06) translate3d(1.6%,-1.4%,0)}}
.artwork .grain{position:absolute;inset:0;opacity:.4;mix-blend-mode:overlay;
  background:repeating-linear-gradient(37deg,rgba(255,255,255,.07) 0 1px,transparent 1px 3px)}
.artwork .cap{position:absolute;left:14px;bottom:12px;z-index:2;font-size:9px;
  letter-spacing:.2em;text-transform:uppercase;color:rgba(36,29,22,.72)}
.artwork .stamp{position:absolute;right:-10px;top:-16px;z-index:2;width:88px;height:88px;
  border:1px solid rgba(36,29,22,.28);border-radius:50%;display:grid;place-items:center;
  text-align:center;font-size:7.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-2);line-height:1.6;background:rgba(239,231,216,.7);backdrop-filter:blur(4px);
  transform:rotate(-8deg)}

/* 左下的竖排注脚 */
.hero .footnote{position:absolute;left:var(--pad);bottom:clamp(58px,9vh,86px);z-index:3;
  max-width:26ch;font-size:11px;line-height:1.8;color:var(--muted)}
.hero .footnote b{color:var(--ink-2);font-weight:500}

/* 跑马灯 */
.marquee{position:absolute;left:0;right:0;bottom:0;z-index:2;overflow:hidden;
  border-top:1px solid var(--line);background:rgba(239,231,216,.72);backdrop-filter:blur(8px);
  padding:11px 0}
.marquee .row{display:flex;gap:44px;white-space:nowrap;will-change:transform;
  font-family:var(--serif);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-2)}
.marquee .row span{display:inline-flex;align-items:center;gap:44px}
.marquee .row span::after{content:"✳";color:var(--clay);font-size:9px}

/* ---------- 区块 ---------- */
.sec{padding:clamp(62px,10vh,124px) 0;position:relative}
.inner{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.sec-top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:15px;border-bottom:1px solid var(--line);margin-bottom:clamp(26px,4vw,50px)}
.sec-top h2{margin:0;font-family:var(--serif);font-weight:400;
  font-size:clamp(1.5rem,3.2vw,2.4rem);letter-spacing:-.01em}
.sec-top .tag{font-size:9px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted-2)}

/* 服务卡：错位排布 */
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2.6vw,34px);
  align-items:start}
.offer{border-top:1px solid var(--ink);padding-top:18px}
.offer:nth-child(2){margin-top:clamp(20px,4vw,52px)}
.offer:nth-child(3){margin-top:clamp(40px,8vw,104px)}
.offer .no{font-family:var(--serif);font-size:11px;letter-spacing:.2em;color:var(--clay)}
.offer h3{margin:14px 0 9px;font-family:var(--serif);font-size:clamp(1.1rem,1.9vw,1.42rem);
  font-weight:400}
.offer p{margin:0;font-size:13px;line-height:1.85;color:var(--ink-2)}
.offer ul{margin:16px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:7px}
.offer li{font-size:11.5px;color:var(--muted);padding-left:14px;position:relative}
.offer li::before{content:"";position:absolute;left:0;top:.66em;width:4px;height:4px;
  background:var(--clay);border-radius:50%}

/* 作品：错位双列 */
.works{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,3vw,44px)}
.work{display:block}
.work:nth-child(even){margin-top:clamp(20px,5vw,72px)}
.work .ph{position:relative;aspect-ratio:4/3;overflow:hidden;background:#d5c7ae}
.work .ph .in{position:absolute;inset:0;transition:transform 1.2s cubic-bezier(.16,.84,.24,1)}
.work:hover .ph .in{transform:scale(1.05)}
.w1{background:
  radial-gradient(48% 40% at 34% 30%,rgba(255,247,232,.9),transparent 62%),
  linear-gradient(162deg,#e3d6bd,#c0aa88 58%,#9d8a6d)}
.w2{background:
  radial-gradient(46% 38% at 66% 32%,rgba(207,130,88,.55),transparent 64%),
  linear-gradient(174deg,#dbc9ab,#b09b7c 60%,#8d7a5f)}
.w3{background:
  radial-gradient(50% 42% at 44% 62%,rgba(109,116,82,.46),transparent 66%),
  linear-gradient(168deg,#e0d3ba,#bda98a 58%,#93805f)}
.w4{background:
  radial-gradient(44% 36% at 58% 26%,rgba(180,98,60,.44),transparent 64%),
  linear-gradient(178deg,#d9cbb2,#ab9878 62%,#877556)}
.work .meta{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:13px 2px 0}
.work h3{margin:0;font-family:var(--serif);font-size:clamp(1rem,1.7vw,1.22rem);font-weight:400}
.work .meta span{font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}

/* 双栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,76px);align-items:center}
.prose p{margin:0 0 16px;font-size:14px;line-height:1.95;color:var(--ink-2);max-width:52ch}
.prose p:last-child{margin-bottom:0}
.pull{margin:26px 0;padding-left:20px;border-left:2px solid var(--clay);
  font-family:var(--serif);font-size:clamp(1.05rem,2vw,1.4rem);line-height:1.66;color:var(--ink)}

/* 数字 */
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);
  border-bottom:1px solid var(--line)}
.fact{padding:clamp(22px,3.2vw,36px) 18px;border-right:1px solid var(--line)}
.fact:last-child{border-right:0}
.fact b{display:block;font-family:var(--serif);font-size:clamp(1.8rem,3.8vw,2.9rem);
  font-weight:400;line-height:1;letter-spacing:-.015em;font-variant-numeric:tabular-nums}
.fact b em{font-style:normal;font-size:.38em;letter-spacing:.1em;color:var(--clay);margin-left:3px}
.fact span{display:block;margin-top:9px;font-size:9px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--muted-2)}

/* 客户名单 */
.clients{display:flex;flex-wrap:wrap;gap:clamp(14px,2.4vw,34px);
  padding:clamp(22px,3vw,34px) 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.clients span{font-family:var(--serif);font-size:clamp(1rem,1.8vw,1.3rem);color:var(--muted);
  letter-spacing:.02em;transition:color .25s}
.clients span:hover{color:var(--ink)}

/* 表单 */
.form{display:grid;gap:13px;max-width:500px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2)}
.field input,.field select,.field textarea{background:rgba(255,255,255,.46);
  border:1px solid var(--line);border-radius:2px;padding:12px 14px;color:var(--ink);
  font:inherit;font-size:14px;transition:border-color .2s,background .2s}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid transparent;
  outline-offset:2px;border-color:var(--clay);background:#fff}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{padding:17px 30px 17px 2px;cursor:pointer;font-size:13.5px;list-style:none;
  position:relative;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  color:var(--muted-2);font-size:15px}
.faq details[open] summary::after{content:"–";color:var(--clay)}
.faq summary:hover{color:#000}
.faq p{margin:0 0 17px;padding-right:30px;font-size:12.5px;line-height:1.85;color:var(--muted);max-width:70ch}

/* 内页首屏 */
.phero{padding-top:clamp(116px,16vh,172px);padding-bottom:clamp(22px,3.4vw,42px)}
.phero h1{margin:16px 0 0;font-family:var(--serif);font-weight:400;
  font-size:clamp(2.1rem,5.4vw,4.1rem);line-height:1.06;letter-spacing:-.028em}
.phero p{margin:18px 0 0;max-width:54ch;font-size:14px;line-height:1.92;color:var(--ink-2)}

/* 页脚 */
.foot{border-top:1px solid var(--line);padding:clamp(38px,6vw,64px) var(--pad) 28px;
  background:linear-gradient(180deg,transparent,rgba(220,207,184,.42))}
.foot-in{max-width:var(--max);margin:0 auto;display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.foot h4{margin:0 0 11px;font-size:8.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted-2)}
.foot a{display:block;font-size:12.5px;color:var(--ink-2);margin-bottom:7px;transition:color .2s}
.foot a:hover{color:var(--clay)}
.foot .note{margin-top:12px;font-size:12px;line-height:1.85;color:var(--muted);max-width:32ch}
.foot small{display:block;max-width:var(--max);margin:30px auto 0;font-size:10.5px;color:var(--muted-2)}

/* 入场 */
.rv{opacity:0;transform:translateY(22px);
  transition:opacity .95s cubic-bezier(.16,.84,.24,1),transform .95s cubic-bezier(.16,.84,.24,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}

:focus-visible{outline:2px solid var(--clay);outline-offset:3px}

@media (max-width:1080px){
  .hero-copy{grid-column:1 / 13}
  .artwork{grid-column:1 / 13;aspect-ratio:16/10;margin-top:26px}
  .hero .footnote{display:none}
  .works{grid-template-columns:1fr}
  .work:nth-child(even){margin-top:0}
  .offers{grid-template-columns:1fr}
  .offer:nth-child(2),.offer:nth-child(3){margin-top:0}
  .split{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr}
  .fact:nth-child(2){border-right:0}
  .fact:nth-child(1),.fact:nth-child(2){border-bottom:1px solid var(--line)}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){ .head nav{display:none} }
@media (max-width:560px){
  .facts,.foot-in{grid-template-columns:1fr}
  .fact{border-right:0;border-bottom:1px solid var(--line)}
  .hero h1{font-size:clamp(2rem,8.4vw,2.8rem)}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important}
  .rv{opacity:1;transform:none}
  .artwork .film{animation:none}
}