/* ══════════════════════════════════════════════════════════════
   百信尚达 · Barocco  —  style.css
   Palette: porpora / gilt / parchment / ink
   ══════════════════════════════════════════════════════════════ */

:root{
  --ink:#140d08;
  --ink-2:#2a1c11;
  --ink-3:#4a382a;
  --porpora:#4c0f18;
  --porpora-2:#6b1622;
  --porpora-3:#2c070d;
  --ivory:#f3e9d4;
  --ivory-2:#e9dcc0;
  --ivory-3:#dccdae;
  --gold:#c8a24a;
  --gold-lt:#f1dca8;
  --gold-dp:#8b6a22;
  --gold-line:rgba(200,162,74,.42);

  --serif:"Garamond","Palatino Linotype","Book Antiqua",Georgia,"Times New Roman",serif;
  --script:"Monotype Corsiva","Segoe Script","Palatino Linotype",cursive;
  --zh-display:"STKaiti","KaiTi","Kaiti SC","STSong",serif;
  --zh-body:"STSong","SimSun","Songti SC",serif;

  --ease:cubic-bezier(.22,.61,.36,1);
  --slow:cubic-bezier(.77,0,.18,1);

  --noise:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  --damask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64' viewBox='0 0 64 64'%3E%3Cg fill='none' stroke='%238b6a22' stroke-width='.6' opacity='.16'%3E%3Cpath d='M32 20c5 0 8 4 8 8s-3 8-8 8-8-4-8-8 3-8 8-8z'/%3E%3Cpath d='M32 8v8M32 48v8M8 32h8M48 32h8'/%3E%3Cpath d='M32 24c3 0 4 3 4 6s-1 6-4 6-4-3-4-6 1-6 4-6z'/%3E%3Ccircle cx='0' cy='0' r='1.6'/%3E%3Ccircle cx='64' cy='0' r='1.6'/%3E%3Ccircle cx='0' cy='64' r='1.6'/%3E%3Ccircle cx='64' cy='64' r='1.6'/%3E%3C/g%3E%3C/svg%3E");
}

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

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

body{
  margin:0;
  background:var(--ivory);
  color:var(--ink);
  font-family:var(--serif);
  font-size:17px;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

body.is-locked{overflow:hidden}

img{max-width:100%;display:block}

a{color:inherit;text-decoration:none}

button{font:inherit;color:inherit}

::selection{background:var(--porpora);color:var(--gold-lt)}

/* 语言切换 ------------------------------------------------- */
html:not([lang^="en"]) .en{display:none}
html[lang^="en"] .zh{display:none}
html:not([lang^="en"]) .lang .lang-zh{display:none}
html[lang^="en"] .lang .lang-en{display:none}

.zh{font-family:var(--zh-body)}
h1 .zh,h2 .zh,h3 .zh,.chapter-label .zh{font-family:var(--zh-display);font-weight:400}

.lat{font-family:var(--serif);font-variant:small-caps;letter-spacing:.14em}

/* 颗粒 / 幕布 ---------------------------------------------- */
.orn-lib{position:absolute;width:0;height:0;overflow:hidden}
.grain{
  position:fixed;inset:0;z-index:9998;pointer-events:none;
  background-image:var(--noise);
  opacity:.22;mix-blend-mode:multiply;
}

.curtain{position:fixed;inset:0;z-index:10000;pointer-events:none;display:grid;place-items:center}
.curtain-l,.curtain-r{
  position:absolute;top:0;height:100%;width:50.2%;
  background:
    linear-gradient(180deg,rgba(20,6,9,.96),rgba(76,15,24,.99) 45%,rgba(20,6,9,.96)),
    var(--porpora);
}
.curtain-l{left:0;box-shadow:inset -1px 0 0 var(--gold-line)}
.curtain-r{right:0;box-shadow:inset 1px 0 0 var(--gold-line)}
.curtain-mark{
  position:relative;z-index:2;font-family:var(--zh-display);
  font-size:clamp(60px,9vw,120px);color:var(--gold-lt);
  border:1px solid var(--gold-line);border-radius:50%;
  width:2.1em;height:2.1em;display:grid;place-items:center;
  opacity:.92;animation:markOut 1s var(--ease) .3s forwards;
}
.curtain-l{animation:curtainL 1s var(--slow) 1s forwards}
.curtain-r{animation:curtainR 1s var(--slow) 1s forwards}

@keyframes curtainL{to{transform:translateX(-101%)}}
@keyframes curtainR{to{transform:translateX(101%)}}
@keyframes markOut{to{opacity:0;transform:scale(.94)}}

/* 顶栏 ----------------------------------------------------- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:900;
  display:flex;align-items:center;gap:clamp(14px,3vw,44px);
  padding:16px clamp(18px,4vw,52px);
  background:linear-gradient(180deg,rgba(16,9,6,.92),rgba(16,9,6,.62) 70%,transparent);
  color:var(--ivory);
  transition:background .4s var(--ease),padding .4s var(--ease),box-shadow .4s var(--ease);
}
.topbar.is-stuck{
  background:rgba(14,8,6,.95);
  padding:10px clamp(18px,4vw,52px);
  box-shadow:0 1px 0 var(--gold-line),0 18px 40px -20px rgba(0,0,0,.8);
}

.crest{display:flex;align-items:center;gap:12px;flex-shrink:0}
.crest-ring{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--gold-line);
  background:radial-gradient(circle at 50% 35%,rgba(200,162,74,.22),rgba(76,15,24,.5));
  box-shadow:inset 0 0 0 3px rgba(200,162,74,.10);
  transition:transform .6s var(--ease),box-shadow .6s var(--ease);
}
.crest:hover .crest-ring{transform:rotate(-8deg) scale(1.04);box-shadow:inset 0 0 0 3px rgba(200,162,74,.2),0 0 26px rgba(200,162,74,.25)}
.crest-glyph{font-family:var(--zh-display);font-size:22px;color:var(--gold-lt);line-height:1}
.crest-type{display:flex;flex-direction:column;line-height:1.15}
.crest-type b{font-family:var(--zh-display);font-weight:400;font-size:17px;letter-spacing:.22em;color:var(--ivory)}
.crest-type i{font-style:normal;font-size:9.5px;letter-spacing:.32em;color:var(--gold);opacity:.85}

.nav{display:flex;gap:clamp(10px,2vw,30px);margin-left:auto;align-items:center}
.nav a{
  position:relative;display:flex;align-items:baseline;gap:6px;
  font-size:13px;letter-spacing:.13em;color:rgba(243,233,212,.82);
  padding:6px 2px;transition:color .35s var(--ease);
}
.nav a em{
  font-style:normal;font-family:var(--serif);font-size:10px;
  color:var(--gold);letter-spacing:.1em;opacity:.75;
}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--gold),transparent);
  transition:right .45s var(--ease);
}
.nav a:hover{color:var(--gold-lt)}
.nav a:hover::after{right:0}

.lang{
  border:1px solid var(--gold-line);background:transparent;color:var(--gold-lt);
  padding:8px 16px;font-size:11px;letter-spacing:.24em;cursor:pointer;
  transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);
}
.lang:hover{background:var(--gold);color:var(--porpora-3);border-color:var(--gold)}

/* 按钮 ----------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 34px;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;
  border:1px solid transparent;position:relative;isolation:isolate;
  transition:color .4s var(--ease),transform .4s var(--ease),box-shadow .4s var(--ease);
}
.btn-gilt{
  color:#2a1305;
  background:linear-gradient(135deg,#f6e7bd 0%,#d8b56a 42%,#a67c2c 74%,#e7cf95 100%);
  box-shadow:0 10px 30px -12px rgba(200,162,74,.75),inset 0 0 0 1px rgba(255,255,255,.35);
}
.btn-gilt:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(200,162,74,.9),inset 0 0 0 1px rgba(255,255,255,.55)}
.btn-line{color:var(--gold-lt);border-color:var(--gold-line);background:rgba(200,162,74,.04)}
.btn-line:hover{color:var(--porpora-3);background:var(--gold-lt);border-color:var(--gold-lt)}

/* 首屏 ----------------------------------------------------- */
.hero{
  position:relative;min-height:var(--hero-h,100svh);display:flex;flex-direction:column;justify-content:center;
  padding:clamp(96px,12vh,150px) 0 0;
  color:var(--ivory);overflow:hidden;
  background:
    radial-gradient(ellipse 70% 55% at 50% 34%,rgba(107,22,34,.62),transparent 70%),
    radial-gradient(ellipse 100% 80% at 50% 110%,rgba(44,7,13,.95),transparent 60%),
    linear-gradient(180deg,#1a0a0d 0%,#120708 52%,#0c0605 100%);
}

.hero-rays{
  position:absolute;top:-20%;left:50%;width:160vmax;height:160vmax;
  transform:translateX(-50%);
  background:repeating-conic-gradient(from 0deg at 50% 42%,
    rgba(241,220,168,.075) 0deg 1.4deg, transparent 1.4deg 8deg);
  mask-image:radial-gradient(circle at 50% 40%,#000 0%,rgba(0,0,0,.55) 34%,transparent 62%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 0%,rgba(0,0,0,.55) 34%,transparent 62%);
  animation:spin 180s linear infinite;
  pointer-events:none;
}
@keyframes spin{to{transform:translateX(-50%) rotate(360deg)}}

.hero-haze{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 46% 42% at 50% 44%,rgba(241,220,168,.16),transparent 70%),
    radial-gradient(ellipse 80% 60% at 50% 100%,rgba(12,6,5,.9),transparent 65%);
}

.hero-stage{
  position:relative;z-index:2;
  width:min(1280px,94vw);margin:0 auto;
  display:grid;grid-template-columns:1.02fr .98fr;align-items:center;
}

.hero-plate{
  position:relative;margin:0;grid-column:2;grid-row:1;
  width:112%;margin-left:-12%;
  transform:rotate(.7deg) translateY(6px);
  padding:clamp(9px,1vw,15px);
  background:linear-gradient(145deg,#f7e9c2,#c9a458 38%,#8a6420 62%,#eed9a4 100%);
  box-shadow:0 50px 90px -30px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.14);
}
.plate-frame{
  position:absolute;inset:clamp(9px,1vw,15px);
  box-shadow:inset 0 0 0 1px rgba(20,13,8,.45);
  pointer-events:none;z-index:3;
}
.plate-mat{display:block;background:var(--ivory);padding:clamp(8px,.9vw,13px);overflow:hidden}
.plate-mat img{
  width:100%;height:auto;
  filter:sepia(.28) contrast(1.06) saturate(.92) brightness(.95);
  transition:transform 1.4s var(--ease),filter 1.4s var(--ease);
}
.hero-plate:hover .plate-mat img{transform:scale(1.035);filter:sepia(.12) contrast(1.08) saturate(1)}

.plate-corner{position:absolute;width:34px;height:34px;color:var(--gold-lt);z-index:4;opacity:.9}
.plate-corner svg{width:100%;height:100%;display:block}
.plate-corner.tl{top:-8px;left:-8px}
.plate-corner.tr{top:-8px;right:-8px;transform:rotate(90deg)}
.plate-corner.br{bottom:-8px;right:-8px;transform:rotate(180deg)}
.plate-corner.bl{bottom:-8px;left:-8px;transform:rotate(270deg)}

.hero-cartouche{
  position:relative;grid-column:1;grid-row:1;z-index:5;
  margin-right:-14%;
  padding:clamp(26px,3.4vw,54px) clamp(24px,3vw,48px);
  background:linear-gradient(155deg,rgba(23,11,9,.985),rgba(58,11,19,.97) 60%,rgba(20,9,8,.985));
  border:1px solid var(--gold-line);
  box-shadow:0 40px 80px -24px rgba(0,0,0,.85),inset 0 0 90px rgba(200,162,74,.06);
  backdrop-filter:blur(3px);
}
.hero-cartouche::before{
  content:"";position:absolute;inset:9px;border:1px solid rgba(200,162,74,.22);pointer-events:none;
}
.hero-cartouche::after{
  content:"";position:absolute;left:50%;top:-9px;width:16px;height:16px;
  transform:translateX(-50%) rotate(45deg);
  background:linear-gradient(135deg,#f1dca8,#a67c2c);
  box-shadow:0 0 22px rgba(200,162,74,.7);
}

.eyebrow{
  margin:0 0 18px;font-family:var(--script);font-size:clamp(19px,2vw,25px);
  color:var(--gold);letter-spacing:.03em;opacity:.95;
}

.hero h1{
  margin:0 0 22px;
  font-size:clamp(38px,5.6vw,76px);
  line-height:1.08;font-weight:400;letter-spacing:.01em;
  background:linear-gradient(102deg,#fbf0cf 0%,#e6c884 30%,#b98c37 52%,#f4e3b4 72%,#d8ae5c 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 2px 30px rgba(200,162,74,.16);
  animation:gilt 9s ease-in-out infinite;
  background-size:220% 100%;
}
.hero h1 em{font-style:italic}
@keyframes gilt{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

.lede{max-width:44ch;margin:0 0 30px;font-size:clamp(14.5px,1.15vw,16.5px);line-height:1.85;color:rgba(243,233,212,.8)}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-base{
  position:relative;z-index:3;width:min(1280px,94vw);margin:clamp(34px,5vh,64px) auto 0;
  padding:0 0 30px;text-align:center;color:var(--gold);
}
.rule{width:min(420px,60vw);height:12px;color:var(--gold-line);display:block;margin:0 auto 12px}
.rule.sm{width:170px;margin:10px 0 22px;height:12px;color:var(--gold-line)}
.hero-base p{margin:0;font-size:10.5px;letter-spacing:.42em;text-transform:uppercase;opacity:.72}

.scroll-cue{display:inline-grid;place-items:center;width:26px;height:44px;margin-top:14px;border:1px solid var(--gold-line);border-radius:14px}
.scroll-cue span{width:3px;height:8px;border-radius:2px;background:var(--gold);animation:cue 1.9s var(--ease) infinite}
@keyframes cue{0%{transform:translateY(-6px);opacity:0}30%{opacity:1}100%{transform:translateY(8px);opacity:0}}

/* 檐带 ----------------------------------------------------- */
.frieze{
  overflow:hidden;background:linear-gradient(180deg,#3a0a12,#4c0f18 50%,#3a0a12);
  border-top:1px solid var(--gold-line);border-bottom:1px solid var(--gold-line);
  color:var(--gold-lt);padding:11px 0;
}
.frieze-track{display:flex;gap:26px;white-space:nowrap;width:max-content;animation:slide 44s linear infinite}
.frieze-track span{font-size:10.5px;letter-spacing:.46em;text-transform:uppercase}
.frieze-track i{font-style:normal;color:var(--gold);opacity:.7;font-size:10px}
@keyframes slide{to{transform:translateX(-50%)}}

/* 章节通用 ------------------------------------------------- */
.chapter{position:relative;padding:clamp(72px,9vw,140px) 0;overflow:hidden}
.wrap{width:min(1220px,92vw);margin:0 auto;position:relative;z-index:2}

.ghost-num{
  position:absolute;top:clamp(10px,3vw,40px);right:clamp(8px,3vw,52px);
  font-family:var(--serif);font-size:clamp(120px,20vw,300px);line-height:.8;
  color:transparent;-webkit-text-stroke:1px rgba(139,106,34,.22);
  pointer-events:none;user-select:none;z-index:1;
}

.chapter-label{
  display:flex;align-items:center;gap:12px;margin:0 0 18px;
  font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold-dp);
}
.chapter-label em{
  font-style:normal;font-family:var(--serif);font-size:12px;letter-spacing:.16em;
  border:1px solid var(--gold-line);width:28px;height:28px;display:grid;place-items:center;border-radius:50%;
}

.chapter h2{
  margin:0;font-weight:400;
  font-size:clamp(30px,3.8vw,52px);line-height:1.24;letter-spacing:.005em;color:var(--ink);
  text-wrap:balance;
}
.chapter-head{max-width:none;margin-bottom:clamp(40px,5vw,66px);text-align:center}
.chapter-head .rule{margin:22px auto 0}
.chapter-head h2{max-width:34ch;margin:0 auto;text-wrap:balance}
.chapter-note{max-width:64ch;margin:18px auto 0;font-size:14px;color:var(--ink-3);opacity:.88;text-wrap:pretty}

/* 羊皮纸底纹 */
.chapter-house,.chapter-trade{
  background-color:var(--ivory);
  background-image:
    var(--damask),
    radial-gradient(ellipse 40% 30% at 12% 8%,rgba(200,162,74,.13),transparent 70%),
    radial-gradient(ellipse 46% 34% at 88% 92%,rgba(200,162,74,.11),transparent 72%),
    radial-gradient(ellipse 60% 40% at 50% 50%,rgba(255,255,255,.35),transparent 75%);
  background-size:64px 64px,auto,auto,auto;
  background-repeat:repeat,no-repeat,no-repeat,no-repeat;
}

/* I 本号 --------------------------------------------------- */
.house-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(34px,5vw,78px);align-items:center}

.house-figure{position:relative;margin:0}
.house-figure img{
  width:100%;height:clamp(340px,46vw,520px);object-fit:cover;
  border-radius:260px 260px 4px 4px;
  filter:sepia(.22) contrast(1.05) saturate(.9);
  box-shadow:0 40px 70px -30px rgba(42,28,17,.6);
  position:relative;z-index:2;
}
.oval-frame{
  position:absolute;inset:-16px;
  border:1px solid rgba(200,162,74,.72);
  border-radius:276px 276px 4px 4px;
  z-index:1;
}
.oval-frame::after{
  content:"";position:absolute;inset:10px;border:1px solid rgba(200,162,74,.34);
  border-radius:266px 266px 2px 2px;
}
.house-figure figcaption{
  margin-top:26px;font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;
  color:#8a6a24;text-align:center;
}

.house-text > p{margin:0 0 18px;max-width:56ch;color:var(--ink-2);line-height:1.9;font-size:16px}
.house-text > p.zh::first-letter{
  float:left;font-family:var(--zh-display);font-size:3.4em;line-height:.82;
  padding:6px 10px 0 0;color:var(--porpora);
}

.plaque{
  margin:26px 0 0;display:grid;grid-template-columns:1fr 1.18fr 1fr;gap:0;
  border-top:1px solid var(--gold-line);border-bottom:1px solid var(--gold-line);
}
.plaque > div{padding:18px 14px 18px 0;border-right:1px solid rgba(200,162,74,.2)}
.plaque > div:last-child{border-right:0;padding-right:0}
.plaque dt{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-dp);margin-bottom:8px}
.plaque dd{margin:0;font-size:12.5px;line-height:1.6;color:var(--ink-2)}


/* II 系列 --------------------------------------------------- */
.chapter-collections{
  background-color:var(--porpora);
  background-size:auto;
  background-repeat:repeat;
  background-image:
    radial-gradient(ellipse 50% 40% at 50% 0%,rgba(200,162,74,.16),transparent 70%),
    radial-gradient(ellipse 70% 50% at 50% 120%,rgba(12,5,6,.9),transparent 70%);
  color:var(--ivory);
}
.chapter-collections .chapter-label{color:var(--gold)}
.chapter-collections .chapter-label em{border-color:var(--gold-line)}
.chapter-collections h2{color:var(--ivory)}
.chapter-collections .rule{color:var(--gold-line)}
.chapter-collections .ghost-num{-webkit-text-stroke:1px rgba(241,220,168,.16)}

.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2vw,30px)}
.pillar{display:flex;flex-direction:column;color:var(--ivory);transition:transform .6s var(--ease)}
.pillar:hover{transform:translateY(-6px)}

.arch{
  position:relative;display:block;padding:clamp(7px,.8vw,11px);
  border-radius:999px 999px 5px 5px;
  background:linear-gradient(150deg,#f7e9c2,#c9a458 36%,#8a6420 64%,#eed9a4 100%);
  box-shadow:0 30px 50px -30px rgba(0,0,0,.9),inset 0 0 0 1px rgba(255,255,255,.16);
  transition:box-shadow .6s var(--ease);
}
.pillar:hover .arch{box-shadow:0 40px 60px -26px rgba(0,0,0,.95),0 0 34px rgba(200,162,74,.28),inset 0 0 0 1px rgba(255,255,255,.4)}
.arch-mat{
  display:block;overflow:hidden;border-radius:999px 999px 3px 3px;
  background:var(--ivory-2);
}
.arch-mat img{
  width:100%;height:clamp(200px,25vw,360px);object-fit:cover;
  filter:sepia(.3) contrast(1.05) saturate(.85) brightness(.95);
  transition:transform 1.2s var(--ease),filter 1s var(--ease);
}
.pillar:hover .arch-mat img{transform:scale(1.05);filter:sepia(.12) contrast(1.06) saturate(1) brightness(1)}

.plinth{display:block;text-align:center;margin-top:20px;padding-top:16px;border-top:1px solid var(--gold-line)}
.plinth em{display:block;font-style:normal;font-size:10px;letter-spacing:.34em;color:var(--gold);opacity:.85;margin-bottom:8px}
.plinth h3{margin:0 0 6px;font-size:clamp(19px,1.9vw,24px);font-weight:400;letter-spacing:.02em;color:var(--ivory)}
.plinth p{margin:0;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(243,233,212,.74)}

/* III 画廊 ------------------------------------------------- */
.chapter-gallery{background-color:var(--ivory-2);
  background-image:
    radial-gradient(ellipse 44% 30% at 84% 6%,rgba(200,162,74,.14),transparent 72%),
    radial-gradient(ellipse 50% 36% at 10% 96%,rgba(200,162,74,.12),transparent 74%);
}

.galleria{column-count:4;column-gap:clamp(14px,1.8vw,26px)}

.plate{
  break-inside:avoid;margin:0 0 clamp(14px,1.8vw,26px);
  padding:clamp(7px,.7vw,10px);
  background:linear-gradient(180deg,#fffaf0,#f2e7ce);
  border:1px solid rgba(200,162,74,.5);
  box-shadow:0 24px 50px -34px rgba(42,28,17,.75);
  transition:box-shadow .6s var(--ease),transform .6s var(--ease),border-color .6s var(--ease);
}
.plate:hover{transform:translateY(-5px);border-color:var(--gold);box-shadow:0 36px 66px -32px rgba(42,28,17,.85),0 0 0 1px rgba(200,162,74,.35)}
.plate .plate-mat{display:block;overflow:hidden;background:var(--ivory-3);position:relative}
.plate .plate-mat::after{
  content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(42,28,17,.16);pointer-events:none;
}
.plate .plate-mat img{
  width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;
  filter:sepia(.16) contrast(1.04) saturate(.94);
  transition:transform 1.1s var(--ease),filter 1s var(--ease);
}
.plate:hover .plate-mat img{transform:scale(1.045);filter:sepia(.04) contrast(1.06) saturate(1.02)}

.plate figcaption{padding:14px 6px 8px;text-align:center;border-top:1px solid rgba(200,162,74,.28);margin-top:10px}
.plate figcaption h3{margin:0 0 4px;font-size:15px;font-weight:400;color:var(--ink);letter-spacing:.01em}
.plate figcaption p{margin:0;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-dp);opacity:.9}

.plate-cta{
  border:1px solid var(--gold-line);padding:0;
  background:
    radial-gradient(ellipse 90% 70% at 50% 0%,rgba(200,162,74,.18),transparent 70%),
    linear-gradient(170deg,#4c0f18,#2c070d);
  min-height:280px;display:grid;place-items:center;
}
.cta-cartouche{padding:clamp(24px,3vw,38px);text-align:center;border:1px solid rgba(200,162,74,.3);margin:14px;width:calc(100% - 28px)}
.cta-cartouche p{margin:0 0 20px;color:var(--ivory);font-size:16px;line-height:1.6}
.cta-cartouche .rule{margin:0 auto 18px}

/* IV 工坊 -------------------------------------------------- */
.chapter-atelier{
  background-color:#2c070d;
  background-image:
    radial-gradient(ellipse 60% 40% at 78% 10%,rgba(200,162,74,.16),transparent 70%),
    radial-gradient(ellipse 70% 60% at 20% 100%,rgba(76,15,24,.85),transparent 70%),
    linear-gradient(180deg,#26060b,#3f0c14 50%,#1d0509);
  color:var(--ivory);
}
.chapter-atelier .chapter-label{color:var(--gold)}
.chapter-atelier .ghost-num{-webkit-text-stroke:1px rgba(241,220,168,.14)}
.chapter-atelier h2{
  color:transparent;
  background:linear-gradient(100deg,#fbf0cf,#e6c884 40%,#b98c37 60%,#f4e3b4 100%);
  -webkit-background-clip:text;background-clip:text;
}
.chapter-atelier .rule{color:var(--gold-line)}

.atelier-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(30px,5vw,72px);align-items:start}

.rites{list-style:none;margin:0;padding:0;counter-reset:none}
.rites li{
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:22px 0;border-bottom:1px solid rgba(200,162,74,.22);
}
.rites li:first-child{padding-top:0}
.rites li:last-child{border-bottom:0;padding-bottom:0}
.rites b{
  display:grid;place-items:center;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--gold-line);color:var(--gold-lt);
  font-weight:400;font-size:12px;letter-spacing:.1em;
  background:radial-gradient(circle at 50% 30%,rgba(200,162,74,.18),transparent 70%);
}
.rites h3{margin:2px 0 8px;font-size:clamp(18px,1.8vw,23px);font-weight:400;color:var(--ivory)}
.rites p{margin:0;font-size:14.5px;line-height:1.85;color:rgba(243,233,212,.72);max-width:54ch}

.niches{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:14px}
.niche{margin:0;padding:6px;border:1px solid var(--gold-line);background:rgba(243,233,212,.06)}
.niche img{width:100%;height:100%;object-fit:cover;filter:sepia(.32) contrast(1.05) saturate(.85)}
.niche-a{grid-row:span 2;height:clamp(300px,38vw,460px)}
.niche-b,.niche-c{height:clamp(140px,17vw,215px)}
.niche-b{transform:translateX(-10px)}
.niche-c{transform:translateX(10px)}

/* V 合作 --------------------------------------------------- */
.trade-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.2vw,30px)}
.trade-card{
  position:relative;padding:clamp(28px,3vw,44px) clamp(22px,2.4vw,34px);
  background:linear-gradient(180deg,#fffaf0,#eee1c6);
  border:1px solid rgba(200,162,74,.55);
  box-shadow:0 30px 60px -40px rgba(42,28,17,.8);
  transition:transform .6s var(--ease),box-shadow .6s var(--ease),border-color .6s var(--ease);
  overflow:hidden;
}
.trade-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  opacity:.55;
}
.trade-card::after{
  content:"";position:absolute;inset:9px;border:1px solid rgba(200,162,74,.26);pointer-events:none;
}
.trade-card h3::before{
  content:"\25C6";display:block;font-size:7px;color:var(--gold);letter-spacing:0;
  margin-bottom:12px;opacity:.9;
}
.trade-card:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:0 44px 70px -36px rgba(42,28,17,.85)}
.trade-card h3{margin:0 0 14px;font-size:clamp(20px,2.1vw,26px);font-weight:400;color:var(--porpora)}
.trade-card p{margin:0 0 20px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.trade-card ul{list-style:none;margin:0;padding:16px 0 0;border-top:1px solid rgba(200,162,74,.35)}
.trade-card li{position:relative;padding-left:18px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-dp);margin-bottom:8px}
.trade-card li::before{content:"◆";position:absolute;left:0;font-size:7px;top:.35em;color:var(--gold)}

/* VI 联系 -------------------------------------------------- */
.chapter-contact{
  background-color:var(--ivory-3);
  background-image:
    radial-gradient(ellipse 46% 36% at 86% 8%,rgba(200,162,74,.18),transparent 70%),
    radial-gradient(ellipse 50% 40% at 8% 90%,rgba(255,255,255,.4),transparent 72%);
}
.contact-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(30px,5vw,70px);align-items:start}
.contact-grid h2{font-size:clamp(27px,3vw,42px);text-wrap:balance}

.info{margin:8px 0 0;columns:1}
.info > div{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid rgba(139,106,34,.26)}
.info > div:last-child{border-bottom:0}
.info dt{font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-dp);padding-top:5px}
.info dd{margin:0;font-size:14.5px;line-height:1.75;color:var(--ink-2)}
.info dd a{border-bottom:1px solid rgba(139,106,34,.4);transition:color .3s var(--ease),border-color .3s var(--ease)}
.info dd a:hover{color:var(--porpora);border-color:var(--porpora)}
.todo{letter-spacing:.14em;color:var(--ink-3)}
.hint{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-dp);opacity:.8}

.inquiry{
  position:relative;padding:clamp(28px,3.4vw,46px);
  background:linear-gradient(170deg,#fffaf0,#f0e4cb);
  border:1px solid rgba(200,162,74,.6);
  box-shadow:0 40px 80px -44px rgba(42,28,17,.9),inset 0 0 0 1px rgba(255,255,255,.6);
}
.inquiry::before{
  content:"";position:absolute;inset:10px;border:1px solid rgba(200,162,74,.24);pointer-events:none;
}
.form-orn{position:absolute;width:18px;height:18px;border:1px solid var(--gold);opacity:.7}
.form-orn.tl{top:-1px;left:-1px;border-right:0;border-bottom:0}
.form-orn.tr{top:-1px;right:-1px;border-left:0;border-bottom:0}
.form-orn.bl{bottom:-1px;left:-1px;border-right:0;border-top:0}
.form-orn.br{bottom:-1px;right:-1px;border-left:0;border-top:0}

.form-title{
  margin:0 0 24px;font-size:12px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--porpora);padding-bottom:14px;border-bottom:1px solid rgba(139,106,34,.4);
}
.inquiry label{display:block;margin-bottom:18px;position:relative;z-index:2}
.fl{display:block;font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-dp);margin-bottom:6px}
.inquiry input,.inquiry textarea{
  width:100%;padding:10px 2px;border:0;border-bottom:1px solid rgba(139,106,34,.45);
  background:transparent;font-family:var(--serif);font-size:15px;color:var(--ink);
  transition:border-color .35s var(--ease),background .35s var(--ease);
}
.inquiry textarea{resize:vertical;min-height:92px;line-height:1.7}
.inquiry input:focus,.inquiry textarea:focus{
  outline:none;border-color:var(--porpora);background:rgba(200,162,74,.06);
}
.inquiry .btn{margin-top:8px;width:100%}
.form-note{margin:12px 0 0;font-size:12px;color:var(--porpora);min-height:1em;letter-spacing:.06em}
.form-fine{margin:12px 0 0;font-size:10.5px;line-height:1.6;color:var(--ink-3);opacity:.8}

/* 页脚 ----------------------------------------------------- */
.site-foot{
  position:relative;color:var(--ivory);
  background:
    radial-gradient(ellipse 60% 60% at 50% 0%,rgba(107,22,34,.55),transparent 70%),
    linear-gradient(180deg,#26060b,#140d08);
  border-top:1px solid var(--gold-line);
  padding:clamp(48px,6vw,80px) 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(200,162,74,.24)}
.foot-rule{width:min(680px,80vw);height:12px;color:var(--gold-line);display:block;margin:0 auto clamp(30px,4vw,48px)}
.foot-crest{
  display:grid;place-items:center;width:52px;height:52px;border-radius:50%;
  border:1px solid var(--gold-line);color:var(--gold-lt);font-family:var(--zh-display);
  font-size:24px;margin-bottom:16px;
  background:radial-gradient(circle at 50% 30%,rgba(200,162,74,.22),transparent 70%);
}
.foot-brand{margin:0 0 4px;font-family:var(--zh-display);font-size:19px;letter-spacing:.18em}
.site-foot .lat{margin:0 0 14px;font-size:9.5px;letter-spacing:.34em;color:var(--gold);opacity:.85}
.foot-addr{margin:0;max-width:40ch;font-size:13px;line-height:1.8;color:rgba(243,233,212,.7)}
.foot-nav{display:flex;flex-wrap:wrap;gap:12px 22px;align-content:start;justify-content:flex-end}
.foot-nav a{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:rgba(243,233,212,.72);transition:color .3s var(--ease)}
.foot-nav a:hover{color:var(--gold-lt)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;padding-top:22px}
.foot-bottom p{margin:0;font-size:10.5px;letter-spacing:.1em;color:rgba(243,233,212,.5)}
.foot-bottom .credits{max-width:52ch;line-height:1.6}

/* 入场 ----------------------------------------------------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.pillars .pillar:nth-child(2){transition-delay:.08s}
.pillars .pillar:nth-child(3){transition-delay:.16s}
.pillars .pillar:nth-child(4){transition-delay:.24s}
.trade-grid .trade-card:nth-child(2){transition-delay:.1s}
.trade-grid .trade-card:nth-child(3){transition-delay:.2s}

/* 响应 ----------------------------------------------------- */
@media (max-width:1080px){
  .nav{display:none}
  .hero-stage{grid-template-columns:1fr;width:min(720px,92vw);gap:0}
  .hero-cartouche{grid-column:1;margin-right:0;padding:clamp(24px,4vw,40px)}
  .hero-plate{grid-column:1;grid-row:2;width:100%;margin:26px 0 0;transform:none}
  .house-grid,.atelier-grid,.contact-grid{grid-template-columns:1fr;gap:38px}
  .pillars{grid-template-columns:repeat(2,1fr)}
  .galleria{column-count:2}
  .trade-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-nav{justify-content:flex-start}
  .niche-b,.niche-c{transform:none}
}

@media (max-width:680px){
  body{font-size:16px}
  .topbar{padding:12px 16px;gap:10px}
  .crest-type b{font-size:15px;letter-spacing:.14em}
  .crest-type i{font-size:8px;letter-spacing:.22em}
  .crest-ring{width:38px;height:38px}
  .crest-glyph{font-size:18px}
  .hero{padding-top:88px}
  .hero h1{font-size:clamp(30px,9vw,42px)}
  .hero-base p{font-size:8.5px;letter-spacing:.24em}
  .chapter{padding:64px 0}
  .ghost-num{display:none}
  .pillars{grid-template-columns:1fr;gap:26px}
  .arch-mat img{height:300px}
  .galleria{column-count:1}
  .plaque{grid-template-columns:1fr}
  .plaque > div{border-right:0;border-bottom:1px solid rgba(200,162,74,.2);padding-right:0}
  .plaque > div:last-child{border-bottom:0}
  .info > div{grid-template-columns:1fr;gap:4px}
  .rites li{grid-template-columns:44px 1fr;gap:14px}
  .rites b{width:36px;height:36px;font-size:11px}
  .atelier-grid .niches{gap:8px}
  .niche-a{height:300px}
  .niche-b,.niche-c{height:140px}
  .foot-bottom{flex-direction:column}
  .cta-cartouche{margin:8px;width:calc(100% - 16px)}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .curtain{display:none}
}