/* 彭子轩拼豆工作室 */
:root{
  --paper:#FBF9F5;
  --paper-2:#F3EFE7;
  --ink:#16181D;
  --ink-2:#4A4F5A;
  --ink-3:#8A8F99;
  --line:#E4DED2;
  --violet:#6B4FE0;
  --violet-dk:#4B34B8;
  --coral:#FF4D6D;
  --mint:#2FBFA0;
  --amber:#F5A623;
  --radius:18px;
  --shadow:0 24px 60px -28px rgba(22,24,29,.28);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- 顶部 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(180%) blur(14px);
  background:rgba(251,249,245,.82);
  border-bottom:1px solid rgba(228,222,210,.7);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;letter-spacing:.02em}
.bead-mark{width:26px;height:26px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:3px}
.bead-mark i{border-radius:50%;background:var(--violet);display:block}
.bead-mark i:nth-child(2){background:var(--coral)}
.bead-mark i:nth-child(4){background:var(--amber)}
.bead-mark i:nth-child(5){background:var(--ink)}
.bead-mark i:nth-child(6){background:var(--mint)}
.bead-mark i:nth-child(8){background:var(--violet-dk)}
.nav-links{display:flex;gap:30px;font-size:14.5px;color:var(--ink-2)}
.nav-links a{position:relative;transition:color .2s}
.nav-links a:hover{color:var(--violet)}
.nav-cta{
  font-size:14px;padding:9px 20px;border-radius:999px;
  background:var(--ink);color:#fff;transition:transform .2s,background .2s;
}
.nav-cta:hover{background:var(--violet);transform:translateY(-1px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:82px 0 96px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,#E6E0D3 1.4px,transparent 1.4px);
  background-size:22px 22px;
  -webkit-mask-image:radial-gradient(ellipse 65% 60% at 62% 42%,#000 0%,transparent 78%);
          mask-image:radial-gradient(ellipse 65% 60% at 62% 42%,#000 0%,transparent 78%);
  opacity:.75;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);
  margin-bottom:22px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--violet);border-radius:2px}
h1{
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.22;letter-spacing:-.01em;font-weight:600;margin-bottom:24px;
}
h1 em{
  font-style:normal;color:var(--violet);white-space:nowrap;
  background:linear-gradient(transparent 64%,rgba(107,79,224,.16) 64%);
  padding:0 2px;
}
.lede{font-size:17px;color:var(--ink-2);max-width:33em;margin-bottom:34px}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:500;
  transition:transform .22s,box-shadow .22s,background .22s,border-color .22s;
}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 14px 30px -16px rgba(22,24,29,.7)}
.btn-primary:hover{background:var(--violet);transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(107,79,224,.7)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}
.hero-note{margin-top:26px;font-size:13.5px;color:var(--ink-3)}

.hero-card{
  position:relative;background:#fff;border-radius:26px;padding:20px;
  box-shadow:var(--shadow);border:1px solid rgba(228,222,210,.9);
  max-width:440px;margin-left:auto;
}
.hero-card img{border-radius:14px;background:var(--paper-2);width:100%;height:auto}
.hero-tag{
  position:absolute;left:26px;bottom:-18px;
  background:var(--ink);color:#fff;font-size:12.5px;letter-spacing:.04em;
  padding:10px 16px;border-radius:10px;box-shadow:0 12px 26px -12px rgba(22,24,29,.7);
  white-space:nowrap;
}
.hero-tag b{color:var(--amber);font-weight:600}

/* ---------- 通用段落 ---------- */
.section{padding:96px 0}
.section-head{max-width:640px;margin-bottom:52px}
.section-head .kicker{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--violet);margin-bottom:14px}
h2{font-size:clamp(26px,3.1vw,38px);line-height:1.32;font-weight:600;letter-spacing:-.005em;margin-bottom:16px}
.section-head p{color:var(--ink-2);font-size:16px}

.alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 能力三块 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(107,79,224,.35)}
.card .num{font-size:12px;letter-spacing:.14em;color:var(--ink-3);margin-bottom:20px}
.card h3{font-size:19px;font-weight:600;margin-bottom:12px}
.card p{font-size:14.8px;color:var(--ink-2)}
.dotrow{display:flex;gap:6px;margin-bottom:22px}
.dotrow i{width:9px;height:9px;border-radius:50%;display:block}

/* ---------- 作品 ---------- */
.works{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.work{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:#fff;border:1px solid var(--line);
  transition:transform .28s,box-shadow .28s;
}
.work:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.work-media{background:var(--paper-2);display:flex;align-items:center;justify-content:center;padding:26px}
.work-media img{max-height:420px;width:auto;image-rendering:pixelated}
.work-meta{padding:20px 24px 24px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.work-meta h3{font-size:17px;font-weight:600;margin-bottom:5px}
.work-meta p{font-size:13.5px;color:var(--ink-3)}
.chips{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.chip{font-size:11.5px;color:var(--ink-2);border:1px solid var(--line);border-radius:999px;padding:4px 11px;white-space:nowrap}
.work-side{display:flex;flex-direction:column;gap:24px}
.spec{display:flex;flex-direction:column}
.spec-list{padding:4px 24px 22px;display:grid;gap:2px}
.spec-row{
  display:grid;grid-template-columns:36px 76px 1fr;align-items:center;gap:12px;
  padding:9px 0;border-bottom:1px dashed rgba(228,222,210,.9);font-size:13.5px;
}
.spec-row:last-child{border-bottom:none}
.spec-row b{font-weight:600;font-size:13.5px;color:var(--ink)}
.spec-row em{font-style:normal;color:var(--ink-3);font-size:13px}
.sq{display:block;border-radius:3px;background:var(--violet);opacity:.9;justify-self:center}
.sq.s1{width:9px;height:9px}
.sq.s2{width:13px;height:13px}
.sq.s3{width:18px;height:18px;background:var(--coral)}
.sq.s4{width:24px;height:24px;background:var(--violet)}
.sq.s5{width:31px;height:31px;background:var(--amber)}
.work-slot{
  border:1.5px dashed #D9D2C4;border-radius:var(--radius);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:42px 28px;color:var(--ink-3);font-size:14px;
  background:#fff;
}
.work-slot strong{display:block;color:var(--ink-2);font-weight:600;margin-bottom:8px;font-size:15px}
.slot-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;margin-bottom:20px;width:78px}
.slot-grid i{aspect-ratio:1;border-radius:3px;background:#E9E3D7;display:block}

/* ---------- 工坊 ---------- */
.factory{
  background:var(--ink);color:#F5F2EA;border-radius:26px;
  padding:58px 56px;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.factory::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(107,79,224,.55),transparent 68%);
  pointer-events:none;
}
.factory .kicker{color:var(--amber);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px}
.factory h2{color:#fff;margin-bottom:16px}
.factory p{color:#B9B4AA;font-size:15.5px;max-width:34em}
.factory ul{list-style:none;margin:22px 0 32px;display:grid;gap:10px}
.factory li{display:flex;gap:10px;font-size:14.6px;color:#D8D3C8}
.factory li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);margin-top:9px;flex:none}
.factory .btn-primary{background:#fff;color:var(--ink)}
.factory .btn-primary:hover{background:var(--amber);color:var(--ink)}
.preview{
  position:relative;background:#1E222B;border:1px solid #2C313C;border-radius:16px;padding:14px;z-index:1;
}
.preview-bar{display:flex;gap:6px;margin-bottom:12px}
.preview-bar i{width:9px;height:9px;border-radius:50%;background:#3A404C;display:block}
.preview-bar i:first-child{background:var(--coral)}
.preview-bar i:nth-child(2){background:var(--amber)}
.preview-bar i:nth-child(3){background:var(--mint)}
.preview img{border-radius:10px;background:#141821}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:34px 26px 0 0;border-right:1px solid var(--line)}
.step:last-child{border-right:none}
.step .n{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:13px;color:var(--violet);
  margin-bottom:20px;background:#fff;
}
.step h3{font-size:16px;font-weight:600;margin-bottom:10px}
.step p{font-size:14.3px;color:var(--ink-2);padding-right:8px}

/* ---------- 关于 ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.about p{color:var(--ink-2);margin-bottom:16px}
.about p strong{color:var(--ink);font-weight:600}
.facts{border-top:1px solid var(--line)}
.fact{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.fact span:first-child{color:var(--ink-3)}
.fact span:last-child{color:var(--ink);text-align:right}

/* ---------- 联系 ---------- */
.contact{
  background:#fff;border:1px solid var(--line);border-radius:26px;
  padding:56px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
  box-shadow:var(--shadow);
}
.contact h2{margin-bottom:12px}
.contact p{color:var(--ink-2);font-size:15.5px;max-width:30em}
.contact-card{
  border:1px solid var(--line);border-radius:16px;padding:24px 28px;text-align:center;background:var(--paper);
  min-width:200px;
}
.contact-card .lbl{font-size:12px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;margin-bottom:10px}
.contact-card .val{font-size:15px;color:var(--ink-2)}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--line);padding:38px 0 48px;margin-top:96px}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.foot a:hover{color:var(--violet)}
.foot .disc{max-width:56em;line-height:1.7;margin-top:14px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .hero{padding:56px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-card{order:-1;max-width:420px;margin:0 auto}
  .cards{grid-template-columns:1fr}
  .works{grid-template-columns:1fr}
  .factory{grid-template-columns:1fr;padding:40px 30px}
  .steps{grid-template-columns:1fr 1fr;border-top:none}
  .step{border-right:none;border-top:1px solid var(--line);padding:26px 18px 0 0}
  .about{grid-template-columns:1fr;gap:36px}
  .contact{grid-template-columns:1fr;padding:36px 28px}
  .section{padding:68px 0}
  .nav-links{display:none}
}
@media (max-width:560px){
  .wrap{padding:0 20px}
  .steps{grid-template-columns:1fr}
  .work-meta{flex-direction:column;align-items:flex-start}
  .chips{justify-content:flex-start}
  h1{font-size:31px}
}