/* ============================================================
   神龙发艺 · SHENLONG HAIR — Design System "Gallery Dark"
   深紫黑画廊底色 + 金棕点缀 + 衬线大标题 + 白底产品图发光
   ============================================================ */

:root{
  --ink:#0d0814;
  --ink-2:#150e20;
  --plum:#221335;
  --plum-2:#31204b;
  --gold:#c8a45f;
  --gold-2:#e6cd95;
  --paper:#f6f2ea;
  --paper-2:#eee8dc;
  --card:#fffdf8;
  --text:#1b1426;
  --muted:#6f6880;
  --muted-l:#a89fb8;
  --line:rgba(27,20,38,.1);
  --line-l:rgba(230,205,149,.22);
  --shadow:0 30px 80px rgba(13,8,20,.18);
  --serif:Georgia,"Songti SC","STSong","STZhongsong","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.22,.7,.25,1);
  --header-h:76px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink);color:var(--text);
  font-family:var(--sans);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%}
video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--gold);color:var(--ink)}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:var(--ink)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--plum-2),var(--gold));border-radius:9px}

.shell{width:min(1280px,calc(100% - 48px));margin-inline:auto}
section{scroll-margin-top:calc(var(--header-h) + 10px)}

/* ---------- 文字系统 ---------- */
.display{font-family:var(--serif);font-weight:400;line-height:1.14;letter-spacing:.02em}
.display em,.display .accent{font-style:italic;background:linear-gradient(115deg,var(--gold-2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:.72rem;font-weight:600;letter-spacing:.32em;text-transform:uppercase;color:var(--gold)}
.eyebrow::before{content:"";width:34px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.mini{font-size:.82rem;letter-spacing:.14em;color:var(--muted)}
.on-dark .mini,.mini.light{color:var(--muted-l)}

/* ---------- 按钮 ---------- */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:0 30px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:.92rem;letter-spacing:.1em;transition:transform .35s var(--ease),box-shadow .35s,background .35s,border-color .35s;white-space:nowrap}
.btn::after{content:"";position:absolute;top:0;left:-90%;width:55%;height:100%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .6s ease}
.btn:hover{transform:translateY(-2px)}
.btn:hover::after{left:140%}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241708;box-shadow:0 16px 38px rgba(200,164,95,.3)}
.btn-dark{background:linear-gradient(135deg,var(--plum-2),var(--plum));color:#f2ecdf;box-shadow:0 16px 38px rgba(34,19,53,.35)}
.btn-line{border-color:rgba(230,205,149,.45);color:#efe8d8;background:rgba(255,255,255,.04);backdrop-filter:blur(8px)}
.btn-line:hover{border-color:var(--gold-2);background:rgba(230,205,149,.1)}
.btn-ghost{border-color:rgba(27,20,38,.22);color:var(--text);background:rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:var(--gold)}
.btn-sm{min-height:42px;padding:0 20px;font-size:.82rem}

/* ---------- 页头 ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:200;color:#f2ecdf;transition:background .35s,box-shadow .35s}
.site-header .nav{height:var(--header-h);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:34px}
.site-header.scrolled,.site-header.solid{background:rgba(13,8,20,.82);backdrop-filter:blur(18px);box-shadow:0 12px 40px rgba(13,8,20,.35)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand img{width:42px;height:42px;object-fit:contain;flex-shrink:0}
.brand strong{display:block;font-family:var(--serif);font-weight:400;font-size:1rem;letter-spacing:.1em;line-height:1.3;white-space:nowrap}
.brand small{display:block;font-size:.55rem;letter-spacing:.2em;color:var(--muted-l);white-space:nowrap}
.nav-links{display:flex;gap:26px;justify-content:center}
.nav-links a{position:relative;font-size:.86rem;letter-spacing:.1em;padding:6px 0;color:rgba(242,236,223,.85);transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.nav-links a[aria-current="page"]{color:var(--gold-2)}
.nav-actions{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;align-items:center;gap:8px;font-size:.76rem;letter-spacing:.08em;color:var(--muted-l)}
.lang-switch a{transition:color .3s}
.lang-switch a:hover{color:#fff}
.lang-switch a.on{color:var(--gold-2)}
.cart-btn{position:relative}
.cart-btn [data-cart-count]{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-left:2px;border-radius:999px;background:rgba(13,8,20,.28);font-size:.74rem;font-weight:700}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid rgba(230,205,149,.35);border-radius:50%;font-size:1.05rem;color:#f2ecdf;place-items:center;position:relative;z-index:220}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;background:var(--ink)}
.hero-media{position:absolute;inset:0}
.hero-media video{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:kenburns 22s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1.06)}to{transform:scale(1.14)}}
.hero-scrim{position:absolute;inset:0;background:
  linear-gradient(75deg,rgba(13,8,20,.92) 8%,rgba(13,8,20,.55) 42%,rgba(13,8,20,.15) 70%),
  linear-gradient(0deg,rgba(13,8,20,.9),transparent 40%)}
.hero-content{position:relative;z-index:2;padding:calc(var(--header-h) + 60px) 0 40px;color:#f6f1e6}
.hero-content .eyebrow{margin-bottom:26px}
.hero-content h1{font-size:clamp(3.2rem,8.5vw,7.2rem);letter-spacing:.04em}
.hero-content .mini{margin-top:26px;max-width:34em;font-size:.95rem;color:rgba(246,241,230,.72)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
.hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:56px;padding:26px 0 40px;border-top:1px solid rgba(230,205,149,.2)}
.hero-stats b{display:block;font-family:var(--serif);font-weight:400;font-size:clamp(1.7rem,3vw,2.6rem);color:var(--gold-2);line-height:1.15}
.hero-stats span{display:block;margin-top:6px;font-size:.68rem;letter-spacing:.26em;color:rgba(246,241,230,.55);text-transform:uppercase}
.scroll-cue{position:absolute;right:34px;bottom:40px;z-index:2;display:flex;flex-direction:column;align-items:center;gap:12px;
  font-size:.66rem;letter-spacing:.4em;color:rgba(246,241,230,.5);writing-mode:vertical-rl}
.scroll-cue::after{content:"";width:1px;height:56px;background:linear-gradient(var(--gold),transparent);animation:cue 2s ease-in-out infinite}
@keyframes cue{0%,100%{transform:scaleY(.4);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}}

/* ---------- 跑马灯 ---------- */
.marquee{background:linear-gradient(90deg,var(--gold),var(--gold-2));color:#241708;overflow:hidden;padding:14px 0}
.marquee-track{display:flex;width:max-content;animation:marquee 36s linear infinite}
.marquee span{padding:0 26px;font-family:var(--serif);font-size:.92rem;letter-spacing:.22em;white-space:nowrap}
.marquee i{font-style:normal;padding-left:52px}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 区块 ---------- */
.sec{padding:120px 0;position:relative}
.sec.paper{background:var(--paper)}
.sec.ink{background:radial-gradient(1000px 480px at 85% 0%,rgba(49,32,75,.5),transparent 60%),var(--ink);color:#f2ecdf}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:64px}
.sec-head h2{font-size:clamp(2.2rem,4.6vw,3.8rem);margin-top:18px}
.sec-head .more{flex-shrink:0;padding-bottom:8px}
.more-link{display:inline-flex;align-items:center;gap:10px;font-size:.86rem;letter-spacing:.14em;color:var(--gold);border-bottom:1px solid rgba(200,164,95,.4);padding-bottom:5px;transition:.3s}
.more-link:hover{gap:16px;color:var(--gold-2);border-color:var(--gold-2)}
.sec.paper .more-link{color:#8a6a2f;border-color:rgba(138,106,47,.4)}
.sec.paper .more-link:hover{color:var(--text)}

/* ---------- 产品卡 ---------- */
.pcard{position:relative;background:var(--card);border-radius:22px;overflow:hidden;flex-shrink:0;
  transition:transform .5s var(--ease),box-shadow .5s;box-shadow:0 10px 30px rgba(13,8,20,.07)}
.pcard:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.pcard::after{content:"";position:absolute;inset:12px;border:1px solid rgba(200,164,95,0);border-radius:14px;transition:border-color .45s;pointer-events:none;z-index:3}
.pcard:hover::after{border-color:rgba(200,164,95,.8)}
.pcard-img{position:relative;aspect-ratio:1/1;overflow:hidden;background:#fff}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.pcard:hover .pcard-img img{transform:scale(1.07)}
.pcard-code{position:absolute;top:16px;left:16px;z-index:2;padding:7px 14px;border-radius:999px;
  background:rgba(13,8,20,.72);backdrop-filter:blur(8px);color:var(--gold-2);
  font-family:var(--serif);font-size:.8rem;letter-spacing:.14em}
.pcard-badge{position:absolute;top:16px;right:16px;z-index:2;padding:6px 12px;border-radius:999px;
  background:rgba(200,164,95,.92);color:#241708;font-size:.66rem;font-weight:700;letter-spacing:.14em}
.pcard-quick{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;display:flex;gap:8px;
  opacity:0;transform:translateY(10px);transition:.4s var(--ease)}
.pcard:hover .pcard-quick{opacity:1;transform:none}
.pcard-quick .btn{flex:1;min-height:44px;font-size:.78rem;box-shadow:0 12px 26px rgba(13,8,20,.25)}
.pcard-body{padding:20px 22px 24px}
.pcard-body small{display:block;font-size:.68rem;letter-spacing:.22em;color:var(--muted);text-transform:uppercase;margin-bottom:6px}
.pcard-body h3{font-family:var(--serif);font-weight:400;font-size:1.04rem;line-height:1.5;letter-spacing:.02em}
.pcard-body h3 a{transition:color .3s}
.pcard-body h3 a:hover{color:#8a6a2f}

/* ---------- 产品横排（可拖动） ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 26px;scroll-snap-type:x proximity;
  cursor:grab;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail.dragging{cursor:grabbing;scroll-snap-type:none}
.rail .pcard{width:300px;scroll-snap-align:start}
.rail-hint{display:flex;align-items:center;gap:10px;margin-top:6px;font-size:.72rem;letter-spacing:.3em;color:var(--muted)}
.rail-hint::before{content:"";width:44px;height:1px;background:var(--gold)}
.rail-progress{position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.rail-progress i{display:block;height:100%;width:20%;background:linear-gradient(90deg,var(--gold),var(--gold-2));border-radius:2px;transition:width .2s}

/* ---------- 展厅预告（CSS 3D 长廊） ---------- */
.teaser{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.corridor{position:relative;height:520px;perspective:900px;perspective-origin:50% 50%;overflow:visible}
.corridor-wall{position:absolute;top:50%;display:grid;gap:22px;transform-style:preserve-3d}
.corridor-wall.left{left:-2%;transform:translateY(-50%) rotateY(52deg);animation:driftL 14s ease-in-out infinite alternate}
.corridor-wall.right{right:-2%;transform:translateY(-50%) rotateY(-52deg);animation:driftR 14s ease-in-out infinite alternate}
.corridor-wall img{width:210px;aspect-ratio:1/1;object-fit:cover;border-radius:8px;
  box-shadow:0 24px 60px rgba(0,0,0,.5);border:4px solid #2b1c3f;outline:1px solid rgba(200,164,95,.35)}
@keyframes driftL{from{transform:translateY(-50%) rotateY(52deg) translateZ(0)}to{transform:translateY(-50%) rotateY(52deg) translateZ(60px)}}
@keyframes driftR{from{transform:translateY(-50%) rotateY(-52deg) translateZ(60px)}to{transform:translateY(-50%) rotateY(-52deg) translateZ(0)}}
.corridor-end{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2}
.corridor-end img{width:150px;aspect-ratio:1/1;object-fit:cover;border-radius:8px;border:3px solid rgba(200,164,95,.6);box-shadow:0 30px 80px rgba(0,0,0,.6)}
.corridor-floor{position:absolute;left:50%;bottom:6%;width:70%;height:120px;transform:translateX(-50%);
  background:radial-gradient(ellipse at center,rgba(200,164,95,.16),transparent 70%);filter:blur(6px)}
.teaser-copy h2{font-size:clamp(2.4rem,5vw,4.2rem);margin:18px 0 22px}
.teaser-copy .mini{margin-bottom:36px}

/* ---------- 工厂 ---------- */
.film{position:relative;border-radius:26px;overflow:hidden;box-shadow:0 40px 100px rgba(0,0,0,.45)}
.film::before{content:"";position:absolute;inset:14px;border:1px solid rgba(230,205,149,.4);border-radius:16px;pointer-events:none;z-index:2}
.film video{width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.photo-rail{display:flex;gap:16px;overflow-x:auto;padding:26px 4px 22px;scrollbar-width:none}
.photo-rail::-webkit-scrollbar{display:none}
.photo-rail figure{flex-shrink:0;width:210px;border-radius:18px;overflow:hidden;position:relative;
  transition:transform .5s var(--ease),box-shadow .5s}
.photo-rail figure:hover{transform:translateY(-8px);box-shadow:0 24px 60px rgba(0,0,0,.4)}
.photo-rail img{width:100%;aspect-ratio:844/1500;object-fit:cover;transition:transform 1s var(--ease)}
.photo-rail figure:hover img{transform:scale(1.06)}
.factory-addr{display:flex;align-items:baseline;gap:18px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line-l);font-size:.92rem;color:var(--muted-l)}
.factory-addr b{font-family:var(--serif);font-weight:400;font-size:.8rem;letter-spacing:.3em;color:var(--gold-2)}
.fact-line{display:flex;gap:34px;flex-wrap:wrap;margin-top:14px}
.fact-line div{display:flex;align-items:baseline;gap:10px}
.fact-line b{font-family:var(--serif);font-weight:400;font-size:1.5rem;color:var(--gold-2)}
.fact-line span{font-size:.74rem;letter-spacing:.2em;color:var(--muted-l)}

/* ---------- OEM 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:38px 30px;overflow:hidden;transition:transform .45s var(--ease),box-shadow .45s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;right:18px;top:14px;
  font-family:var(--serif);font-size:3.4rem;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(200,164,95,.5)}
.step h3{font-family:var(--serif);font-weight:400;font-size:1.3rem;letter-spacing:.06em;margin:44px 0 10px}
.step p{font-size:.86rem;color:var(--muted)}

/* ---------- 品牌 ---------- */
.brands{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.brand-tile{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:40px 34px;transition:transform .45s var(--ease),box-shadow .45s}
.brand-tile:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.brand-tile img{width:58px;height:58px;object-fit:contain;margin-bottom:20px}
.brand-tile b{display:block;font-family:var(--serif);font-weight:400;font-size:1.5rem;letter-spacing:.12em;margin-bottom:8px}
.brand-tile p{font-size:.84rem;color:var(--muted)}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:60px;align-items:center}
.contact-grid h2{font-size:clamp(2.4rem,5vw,4.4rem);margin:18px 0 40px}
.contact-rows{display:grid;gap:14px;margin-bottom:40px}
.contact-row{display:flex;align-items:center;gap:18px;padding:20px 24px;border:1px solid var(--line-l);border-radius:18px;transition:.35s}
.contact-row:hover{background:rgba(230,205,149,.06);border-color:rgba(230,205,149,.45)}
.contact-row i{font-style:normal;font-family:var(--serif);width:46px;height:46px;flex-shrink:0;border-radius:50%;
  border:1px solid rgba(230,205,149,.4);display:grid;place-items:center;font-size:.72rem;letter-spacing:.06em;color:var(--gold-2)}
.contact-row b{display:block;font-family:var(--serif);font-weight:400;font-size:1.18rem;letter-spacing:.04em}
.contact-row small{display:block;font-size:.7rem;letter-spacing:.22em;color:var(--muted-l)}
.qr-card{justify-self:center;text-align:center;background:rgba(255,255,255,.05);border:1px solid var(--line-l);border-radius:24px;padding:34px}
.qr-card img{width:190px;height:190px;object-fit:contain;border-radius:12px;background:#fff;padding:10px}
.qr-card b{display:block;margin-top:18px;font-family:var(--serif);font-weight:400;letter-spacing:.14em}
.qr-card small{display:block;margin-top:6px;font-size:.72rem;color:var(--muted-l);letter-spacing:.1em}

/* ---------- 页脚 ---------- */
.footer{background:#0a0610;color:#9c93ab;padding:80px 0 0;border-top:1px solid rgba(230,205,149,.12)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:46px;padding-bottom:56px}
.footer p{font-size:.84rem;margin-top:16px;max-width:24em}
.footer h3{font-size:.72rem;letter-spacing:.3em;color:var(--gold-2);font-weight:600;margin-bottom:18px}
.footer ul{list-style:none;display:grid;gap:11px}
.footer ul a,.footer ul button{font-size:.86rem;transition:.3s;color:#9c93ab;text-align:left;padding:0}
.footer ul a:hover,.footer ul button:hover{color:#fff;padding-left:5px}
.footer-bottom{border-top:1px solid rgba(230,205,149,.1);padding:22px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.74rem;color:#6b6478;letter-spacing:.05em}
.footer-bottom a:hover{color:var(--gold-2)}

/* ---------- 内页头 ---------- */
.page-hero{padding:calc(var(--header-h) + 80px) 0 60px;background:radial-gradient(800px 400px at 80% -10%,rgba(49,32,75,.55),transparent 60%),var(--ink);color:#f2ecdf}
.page-hero h1{font-size:clamp(2.6rem,6vw,4.6rem);margin-top:18px}
.page-hero .mini{margin-top:18px}

/* ---------- 产品中心工具栏 ---------- */
.toolbar{position:sticky;top:var(--header-h);z-index:90;display:flex;gap:14px;align-items:center;flex-wrap:wrap;
  padding:16px 0;background:rgba(246,242,234,.9);backdrop-filter:blur(14px)}
.search-box{flex:1;min-width:220px;position:relative}
.search-box input{width:100%;min-height:50px;padding:0 22px 0 48px;border:1px solid var(--line);border-radius:999px;background:#fff;outline:0;font-size:.92rem;transition:border-color .3s,box-shadow .3s}
.search-box input:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(200,164,95,.14)}
.search-box::before{content:"⌕";position:absolute;left:20px;top:50%;transform:translateY(-50%);font-size:1.1rem;color:var(--muted)}
.filters{display:flex;gap:8px}
.filter{padding:11px 22px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:.84rem;letter-spacing:.1em;color:var(--muted);transition:.3s}
.filter:hover{border-color:var(--gold)}
.filter.on{background:var(--ink);border-color:var(--ink);color:var(--gold-2)}
.results-meta{font-size:.78rem;letter-spacing:.16em;color:var(--muted);margin:10px 0 24px}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.empty-state{grid-column:1/-1;text-align:center;padding:80px 20px;color:var(--muted);font-size:.95rem}
.empty-state a{color:#8a6a2f;border-bottom:1px solid}

/* ---------- 产品详情 ---------- */
.detail-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:start}
.gallery-main{position:sticky;top:calc(var(--header-h) + 24px)}
.gallery-stage{position:relative;border-radius:26px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.gallery-stage::before{content:"";position:absolute;inset:14px;border:1px solid rgba(200,164,95,.45);border-radius:16px;pointer-events:none;z-index:2}
.gallery-stage img,.gallery-stage video{width:100%;aspect-ratio:1/1;object-fit:cover}
.thumb-row{display:flex;gap:12px;margin-top:16px}
.thumb{width:76px;height:76px;border-radius:14px;overflow:hidden;border:2px solid transparent;background:#fff;padding:0;transition:.3s;flex-shrink:0}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb.on{border-color:var(--gold)}
.thumb span{display:grid;place-items:center;height:100%;background:var(--ink);color:var(--gold-2);font-size:1.1rem}
.thumb small{font-size:.6rem;letter-spacing:.1em}
.detail-copy .back-link{display:inline-flex;gap:8px;font-size:.8rem;letter-spacing:.16em;color:var(--muted);margin-bottom:30px;transition:.3s}
.detail-copy .back-link:hover{color:var(--text)}
.detail-copy .code{font-family:var(--serif);font-size:1rem;letter-spacing:.3em;color:#8a6a2f;margin-bottom:12px}
.detail-copy h1{font-family:var(--serif);font-weight:400;font-size:clamp(1.7rem,3vw,2.6rem);line-height:1.3;margin-bottom:26px}
.detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.detail-tags span{padding:9px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.8rem;letter-spacing:.08em;color:#4d4662}
.detail-sec{border-top:1px solid var(--line);padding:26px 0}
.detail-sec h4{font-size:.72rem;letter-spacing:.3em;color:var(--muted);margin-bottom:16px;font-weight:600}
.custom-list{display:flex;gap:8px;flex-wrap:wrap}
.custom-list span{padding:9px 18px;border-radius:999px;background:rgba(200,164,95,.12);border:1px solid rgba(200,164,95,.4);font-size:.82rem;color:#6b5320}
.detail-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.quote-note{margin-top:18px;font-size:.76rem;color:var(--muted);letter-spacing:.06em}

/* ---------- 询盘抽屉 ---------- */
.drawer-overlay{position:fixed;inset:0;z-index:400;background:rgba(13,8,20,.55);backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;transition:.4s}
.drawer{position:fixed;top:0;right:0;bottom:0;z-index:410;width:min(500px,100%);background:var(--paper);
  transform:translateX(102%);transition:transform .55s var(--ease);display:flex;flex-direction:column;box-shadow:-30px 0 90px rgba(13,8,20,.35)}
body.drawer-open .drawer-overlay{opacity:1;pointer-events:auto}
body.drawer-open .drawer{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:26px 30px;border-bottom:1px solid var(--line)}
.drawer-head h2{font-family:var(--serif);font-weight:400;font-size:1.4rem;letter-spacing:.06em}
.icon-button{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:1.1rem;transition:.3s;display:grid;place-items:center}
.icon-button:hover{background:var(--ink);color:#fff}
.drawer-body{flex:1;overflow-y:auto;padding:26px 30px 40px}
.drawer-body>h3{font-size:.72rem;letter-spacing:.3em;color:var(--muted);margin-bottom:14px;font-weight:600}
.inquiry-products{display:grid;gap:10px;margin-bottom:26px}
.inquiry-item{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 16px;font-size:.84rem}
.inquiry-item b{font-family:var(--serif);font-weight:400;color:#8a6a2f}
.inquiry-item button{font-size:.74rem;color:var(--muted);letter-spacing:.1em;transition:.3s}
.inquiry-item button:hover{color:#b04a4a}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.78rem;letter-spacing:.08em;color:#4d4662}
.field input,.field textarea{min-height:48px;padding:11px 16px;border:1px solid var(--line);border-radius:13px;background:#fff;outline:0;font-size:.92rem;transition:border-color .3s,box-shadow .3s;width:100%}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(200,164,95,.14)}
.website-field{position:absolute;left:-9999px;top:-9999px;visibility:hidden}
.inquiry-consent{display:flex;gap:10px;align-items:flex-start;font-size:.8rem;color:var(--muted);margin:20px 0}
.inquiry-consent input{margin-top:4px;accent-color:var(--plum)}
.inquiry-consent a{text-decoration:underline}
.form-actions{display:grid;gap:10px}
.inquiry-status{margin-top:14px;font-size:.84rem;color:#8a6a2f;min-height:1.4em;text-align:center}

/* ---------- 展厅页 ---------- */
.showroom-page{height:100vh;height:100svh;overflow:hidden;background:var(--ink)}
.showroom-stage{position:fixed;inset:0}
#showroomCanvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab}
#showroomCanvas:active{cursor:grabbing}
.sr-top{position:absolute;top:calc(var(--header-h) + 18px);left:50%;transform:translateX(-50%);z-index:20;text-align:center;color:#f2ecdf;pointer-events:none}
.sr-top b{display:block;font-family:var(--serif);font-weight:400;font-size:1.3rem;letter-spacing:.34em;text-indent:.34em}
.sr-top span{display:block;margin-top:6px;font-size:.6rem;letter-spacing:.4em;color:var(--muted-l)}
.sr-hud{position:absolute;left:0;right:0;bottom:26px;z-index:20;display:flex;flex-direction:column;align-items:center;gap:14px;pointer-events:none}
.sr-zones{display:flex;gap:8px;pointer-events:auto}
.sr-zones button{padding:11px 22px;border-radius:999px;border:1px solid rgba(230,205,149,.35);background:rgba(13,8,20,.55);backdrop-filter:blur(10px);color:#e9e2d2;font-size:.8rem;letter-spacing:.14em;transition:.3s}
.sr-zones button:hover,.sr-zones button.on{background:rgba(200,164,95,.9);border-color:transparent;color:#241708}
.sr-hint{font-size:.68rem;letter-spacing:.32em;color:rgba(242,236,223,.45)}
.exhibit-panel{position:absolute;top:50%;right:26px;transform:translateY(-50%) translateX(calc(100% + 60px));z-index:30;
  width:min(360px,calc(100vw - 52px));background:rgba(21,14,32,.92);backdrop-filter:blur(18px);
  border:1px solid rgba(230,205,149,.3);border-radius:24px;padding:26px;color:#f2ecdf;
  transition:transform .6s var(--ease);box-shadow:0 40px 100px rgba(0,0,0,.5)}
.exhibit-panel.open{transform:translateY(-50%)}
.exhibit-panel img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px;background:#fff}
.exhibit-copy{margin-top:18px}
.exhibit-copy small{display:block;font-size:.68rem;letter-spacing:.24em;color:var(--gold-2);margin-bottom:8px}
.exhibit-copy h2{font-family:var(--serif);font-weight:400;font-size:1.15rem;line-height:1.5;margin-bottom:16px}
.exhibit-actions{display:grid;gap:10px}
.panel-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;border:1px solid rgba(230,205,149,.35);color:#f2ecdf;font-size:.95rem;display:grid;place-items:center;transition:.3s}
.panel-close:hover{background:rgba(200,164,95,.9);color:#241708}
.showroom-loading{position:fixed;inset:0;z-index:60;background:var(--ink);display:grid;place-items:center;transition:opacity .8s,visibility .8s}
.showroom-loading.done{opacity:0;visibility:hidden}
.sr-load-inner{text-align:center;color:#f2ecdf}
.sr-load-inner img{width:72px;height:72px;object-fit:contain;margin:0 auto 22px;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.65;transform:scale(.97)}50%{opacity:1;transform:scale(1)}}
.sr-load-inner b{display:block;font-family:var(--serif);font-weight:400;letter-spacing:.4em;text-indent:.4em;font-size:1.1rem}
.sr-load-bar{width:200px;height:1px;background:rgba(230,205,149,.2);margin:22px auto 12px;overflow:hidden}
.sr-load-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:width .3s}
.sr-load-inner span{font-size:.7rem;letter-spacing:.3em;color:var(--muted-l)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s ease,transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .nav-links{position:fixed;inset:0;z-index:210;background:rgba(13,8,20,.97);backdrop-filter:blur(20px);
    display:grid;place-content:center;gap:6px;text-align:center;
    opacity:0;pointer-events:none;transition:.4s}
  .nav-links.open{opacity:1;pointer-events:auto}
  .nav-links a{font-family:var(--serif);font-size:1.6rem;letter-spacing:.2em;padding:12px}
  .menu-toggle{display:grid}
  .nav-actions .btn{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:26px}
  .scroll-cue{display:none}
  .teaser{grid-template-columns:1fr;gap:50px}
  .corridor{height:400px}
  .corridor-wall img{width:150px}
  .steps{grid-template-columns:1fr 1fr}
  .brands{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:44px}
  .qr-card{justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .detail-layout{grid-template-columns:1fr;gap:44px}
  .gallery-main{position:static}
  .sec-head{display:block}
  .sec-head .more{margin-top:22px;display:inline-block}
}
@media(max-width:680px){
  .shell{width:min(100% - 32px,1280px)}
  .sec{padding:84px 0}
  .hero-content h1{font-size:clamp(2.7rem,13vw,4rem)}
  .hero-stats{grid-template-columns:1fr 1fr;gap:22px;padding-bottom:30px}
  .brand strong{font-size:.84rem}
  .brand small{display:none}
  .rail .pcard{width:240px}
  .corridor{height:320px}
  .corridor-wall img{width:112px}
  .corridor-end img{width:96px}
  .steps{grid-template-columns:1fr}
  .product-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .contact-row b{font-size:1rem}
  .exhibit-panel{top:auto;bottom:0;right:0;left:0;width:100%;transform:translateY(110%);border-radius:24px 24px 0 0;max-height:72vh;overflow-y:auto}
  .exhibit-panel.open{transform:none}
  .exhibit-panel img{aspect-ratio:16/9}
  .sr-top b{font-size:1rem}
  .toolbar{top:calc(var(--header-h) - 1px)}
}