/* =========================================================
   LUMINA 甲油胶 · 新品展示页样式
   移动端优先；配色可在 :root 一处调整
   ========================================================= */
:root{
  --ink:#2a2027;
  --ink-2:#6b5b63;
  --muted:#9b8d93;
  --bg:#fdf8f5;
  --bg-2:#f7ece7;
  --card:#ffffff;
  --line:rgba(42,32,39,.10);
  --accent:#c9737f;
  --accent-2:#e0a48d;
  --gold:#c8a15a;
  --radius:18px;
  --radius-lg:26px;
  --shadow:0 10px 30px rgba(120,80,90,.10);
  --shadow-lg:0 24px 60px rgba(120,80,90,.18);
  --wrap:1180px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 8px;font-weight:700}
.sub{color:var(--ink-2);margin:6px 0 0;font-size:14.5px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;padding:12px 22px;font-size:15px;font-weight:600;
  cursor:pointer;transition:.22s transform,.22s box-shadow,.22s background,.22s color;
  white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 8px 22px rgba(201,115,127,.34)}
.btn-primary:hover{box-shadow:0 12px 28px rgba(201,115,127,.45);transform:translateY(-1px)}
.btn-line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-line:hover{box-shadow:inset 0 0 0 1.5px var(--accent);color:var(--accent)}
.btn-ghost{background:rgba(255,255,255,.7);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line);padding:9px 16px;font-size:14px}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px var(--accent);color:var(--accent)}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.7);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s;
}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:1.9;stroke-linecap:round}
.icon-btn:hover{background:#fff;box-shadow:var(--shadow)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(253,248,245,.86);
  border-bottom:1px solid transparent;transition:.25s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(120,80,90,.06)}
.header-inner{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto;min-width:0}
.brand-logo{height:38px;width:auto;max-width:118px;display:block;object-fit:contain;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-text em{font-style:normal;font-size:10px;letter-spacing:.097em;color:var(--muted);white-space:nowrap;text-align:justify;text-align-last:justify}
.hide-sm{display:inline}
.nav{display:flex;gap:26px;font-size:15px;font-weight:500}
.nav a{position:relative;color:var(--ink-2);transition:.2s}
.nav a:hover{color:var(--accent)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-4px;height:2px;background:var(--accent);border-radius:2px;transition:.25s}
.nav a:hover::after{right:0}
.header-actions{display:flex;align-items:center;gap:10px}
.search-bar{border-top:1px solid var(--line);background:rgba(255,255,255,.94);padding:12px 0}
.search-bar input{
  width:100%;border:1px solid var(--line);border-radius:999px;padding:13px 20px;font-size:15px;
  background:#fff;outline:none;transition:.2s;font-family:inherit;
}
.search-bar input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(201,115,127,.12)}

/* ---------- 新品分类轮播（顶部） ---------- */
.cat-hero{position:relative;overflow:hidden;padding:56px 0 60px;background:linear-gradient(170deg,#fff 0%,var(--bg-2) 64%,#f2e2dd 100%)}
.cat-hero::before,.cat-hero::after{content:"";position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none}
.cat-hero::before{width:420px;height:420px;background:#f0c3c9;opacity:.5;top:-150px;right:-90px}
.cat-hero::after{width:340px;height:340px;background:#e8d3b8;opacity:.45;bottom:-170px;left:-70px}
.cat-intro{position:relative;max-width:660px}
.cat-h1{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:0 0 10px;letter-spacing:-.01em}
.cat-viewport{
  position:relative;margin-top:26px;overflow:hidden;padding:14px 0 20px;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 6%,#000 94%,transparent 100%);
          mask-image:linear-gradient(90deg,transparent 0,#000 6%,#000 94%,transparent 100%);
}
.cat-track{display:flex;width:max-content;animation:catScroll 46s linear infinite;will-change:transform}
.cat-viewport:hover .cat-track,.cat-viewport:focus-within .cat-track{animation-play-state:paused}
@keyframes catScroll{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}
.cat-card{
  flex:none;width:min(300px,74vw);margin-right:18px;padding:0;display:flex;flex-direction:column;
  border:1px solid var(--line);background:var(--card);border-radius:var(--radius-lg);overflow:hidden;
  cursor:pointer;text-align:left;font-family:inherit;color:inherit;box-shadow:0 6px 20px rgba(120,80,90,.08);
  transition:.28s transform,.28s box-shadow,.28s border-color;
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.cat-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.cat-card.on{border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,115,127,.35),var(--shadow)}
.cat-media{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:var(--bg-2)}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:.45s transform}
.cat-card:hover .cat-media img{transform:scale(1.06)}
.cat-num{
  position:absolute;top:12px;left:12px;width:26px;height:26px;border-radius:50%;
  background:rgba(42,32,39,.72);color:#fff;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);
}
.cat-body{display:block;padding:15px 17px 18px}
.cat-body strong{display:block;font-size:19px;letter-spacing:.02em}
.cat-body em{display:block;font-style:normal;font-size:10px;letter-spacing:.14em;color:var(--muted);margin-top:3px;text-transform:uppercase}
.cat-body small{display:block;font-size:13px;color:var(--ink-2);margin-top:8px}
.cat-body i{display:block;font-style:normal;font-size:13px;font-weight:700;color:var(--accent);margin-top:10px}
@media (prefers-reduced-motion:reduce){.cat-track{animation:none}}

/* ---------- sections ---------- */
.section{padding:70px 0}
.section-alt{background:linear-gradient(180deg,var(--bg) 0%,#f8ece7 100%)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin:0}
.filters{display:flex;gap:9px;flex-wrap:wrap}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 17px;
  font-size:14px;cursor:pointer;color:var(--ink-2);transition:.2s;font-weight:500;
}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- product grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:24px}
.card{
  background:var(--card);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;
  border:1px solid var(--line);box-shadow:0 4px 14px rgba(120,80,90,.06);
  transition:.28s transform,.28s box-shadow;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:.4s transform}
.card:hover .card-media img{transform:scale(1.05)}
.badges{position:absolute;top:12px;left:12px;display:flex;gap:6px;flex-wrap:wrap}
.badge{
  font-size:11px;font-weight:700;letter-spacing:.04em;padding:4px 10px;border-radius:999px;
  background:rgba(42,32,39,.78);color:#fff;backdrop-filter:blur(6px);
}
.badge.new{background:linear-gradient(120deg,var(--accent),var(--accent-2))}
.badge.hot{background:linear-gradient(120deg,#c8952f,var(--gold))}
.card-body{padding:17px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.card-title{display:flex;align-items:baseline;gap:9px;justify-content:space-between}
.card-title h3{margin:0;font-size:17.5px}
.code{font-size:12px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.card-summary{margin:0;font-size:14px;color:var(--ink-2);flex:1}
.card-swatches{display:flex;gap:6px;margin-top:2px}
.card-swatches i{width:20px;height:20px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:10px;padding-top:12px;border-top:1px dashed var(--line)}
.card-foot span{font-size:12.5px;color:var(--accent);font-weight:700}
.empty{text-align:center;color:var(--muted);padding:60px 0}

/* ---------- video ---------- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.vcard{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;background:#221b20;
  aspect-ratio:16/9;box-shadow:var(--shadow);
}
.vcard-portrait{aspect-ratio:9/16;max-width:min(100%,340px);justify-self:center}
.vcard img{width:100%;height:100%;object-fit:cover;opacity:.78;transition:.3s}
.vcard:hover img{opacity:.9;transform:scale(1.03)}
.vcard .play{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
}
.vcard .play i{
  width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(0,0,0,.3);transition:.25s;
}
.vcard:hover .play i{transform:scale(1.1)}
.vcard .play svg{width:22px;height:22px;fill:var(--ink);margin-left:3px}
.vcard .vlabel{position:absolute;left:18px;bottom:14px;color:#fff;font-weight:600;font-size:15px;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.vcard .vdur{position:absolute;right:14px;top:12px;background:rgba(0,0,0,.55);color:#fff;font-size:11px;padding:3px 8px;border-radius:6px}
.placeholder-note{
  grid-column:1/-1;font-size:13.5px;color:var(--ink-2);background:#fff;border:1px dashed var(--line);
  border-radius:var(--radius);padding:16px 18px;
}

/* ---------- contact ---------- */
.contact-inner{display:grid;grid-template-columns:1.4fr .6fr;gap:44px;align-items:center}
.contact-list{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px}
.contact-list>div{display:flex;gap:16px;align-items:baseline;border-bottom:1px dashed var(--line);padding-bottom:12px}
.contact-list dt{min-width:54px;color:var(--muted);font-size:13px}
.contact-list dd{margin:0;font-weight:600;font-size:15.5px}
.contact-card{background:#fff;border-radius:var(--radius-lg);padding:22px;text-align:center;box-shadow:var(--shadow)}
.contact-card img{width:100%;border-radius:12px}
.contact-card p{margin:14px 0 0;font-size:14px;color:var(--ink-2)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:34px 0;font-size:13.5px}
.site-footer p{margin:0 0 6px}
.site-footer .icp{color:rgba(255,255,255,.42);font-size:12.5px}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:0}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(30,22,27,.62);backdrop-filter:blur(6px);animation:fade .25s ease}
.modal-panel{
  position:relative;background:#fff;width:min(1000px,94vw);max-height:92vh;overflow:auto;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);animation:pop .3s cubic-bezier(.2,.9,.3,1.05);
}
.modal-panel-sm{width:min(430px,92vw)}

/* 视频弹窗：竖屏视频按视口高度约束。宽度撑满的话，9:16 的视频高度会顶出屏幕看不到全貌。
   is-video 同时关掉背景模糊 —— 全屏 backdrop-filter 会让视频逐帧重新合成，是卡顿的主因之一。*/
.modal-backdrop.is-video{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(16,11,14,.9);animation:none}
/* 详情弹窗不是全屏布局，不能用 is-video；视频一开播只摘掉模糊这一层。 */
.modal-backdrop.no-blur{backdrop-filter:none;-webkit-backdrop-filter:none;animation:none}
.modal-panel.is-video{
  width:auto;max-width:none;max-height:none;background:transparent;box-shadow:none;
  overflow:visible;border-radius:0;animation:none;
}
.modal-panel.is-video .modal-body{display:flex;align-items:center;justify-content:center;padding:0}
.modal-panel.is-video .modal-close{top:-48px;right:0;background:rgba(255,255,255,.94)}
.modal-panel.is-video video{
  display:block;width:auto;height:auto;max-width:min(94vw,560px);max-height:76vh;
  border-radius:14px;background:#000;transform:translateZ(0);-webkit-transform:translateZ(0);
}
.modal-close{
  position:absolute;top:14px;right:14px;z-index:5;width:38px;height:38px;border-radius:50%;
  border:0;background:rgba(255,255,255,.9);font-size:22px;line-height:1;cursor:pointer;color:var(--ink);
  box-shadow:0 4px 14px rgba(0,0,0,.14);transition:.2s;
}
.modal-close:hover{background:#fff;transform:rotate(90deg)}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(18px) scale(.985)}to{opacity:1;transform:none}}

.m-body{display:grid;grid-template-columns:1.05fr .95fr}
.m-gallery{background:var(--bg-2);padding:24px}
.m-main{border-radius:var(--radius);overflow:hidden;background:#fff;aspect-ratio:var(--m-ar,3/4)}
.m-main img{width:100%;height:100%;object-fit:contain}
.m-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.m-thumbs button{border:2px solid transparent;border-radius:12px;overflow:hidden;padding:0;cursor:pointer;background:none;width:70px;height:70px}
.m-thumbs button.on{border-color:var(--accent)}
.m-thumbs img{width:100%;height:100%;object-fit:contain}
.m-info{padding:30px 34px 34px}
.m-info h3{margin:0 0 6px;font-size:26px}
.m-id{font-size:13px;color:var(--muted);font-family:ui-monospace,Menlo,monospace}
.m-desc{color:var(--ink-2);font-size:15px}
.m-hl{list-style:none;padding:0;margin:18px 0;display:grid;gap:9px}
.m-hl li{position:relative;padding-left:26px;font-size:14.5px}
.m-hl li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;
  background:linear-gradient(120deg,var(--accent),var(--accent-2));
}
.m-hl li::after{content:"✓";position:absolute;left:4px;top:2px;color:#fff;font-size:10px;font-weight:700}
.m-specs{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin:20px 0;padding:18px;background:var(--bg);border-radius:var(--radius)}
.m-specs div{display:flex;flex-direction:column;gap:2px}
.m-specs dt{font-size:12px;color:var(--muted)}
.m-specs dd{margin:0;font-size:14.5px;font-weight:600}
.m-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.m-video{margin-top:22px}
.m-video video{
  display:block;width:auto;height:auto;max-width:100%;max-height:58vh;margin:0 auto;
  border-radius:var(--radius);background:#000;transform:translateZ(0);-webkit-transform:translateZ(0);
}
.m-video .vph{
  aspect-ratio:16/9;border-radius:var(--radius);background:linear-gradient(135deg,#2a2027,#4b3a42);
  color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:14px;
}
.m-video .vph small{color:rgba(255,255,255,.6)}

/* ---------- share box ---------- */
.share-box{padding:34px 30px 30px;text-align:center}
.share-box h3{margin:0 0 6px;font-size:22px}
.share-box img{width:230px;margin:20px auto;border-radius:14px;border:1px solid var(--line);padding:10px;background:#fff}
.link-row{display:flex;gap:8px;margin-top:16px}
.link-row input{
  flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;padding:11px 16px;font-size:13px;
  color:var(--ink-2);background:var(--bg);outline:none;font-family:ui-monospace,Menlo,monospace;
}
.link-row .btn{padding:11px 18px;font-size:14px}
.hint{font-size:12.5px;color:var(--muted);margin:12px 0 0;min-height:18px}
.hint.ok{color:#1f8a5b;font-weight:600}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero{padding:44px 0 54px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-qr{max-width:300px}
  .contact-inner{grid-template-columns:1fr;gap:28px}
  .contact-card{max-width:300px}
  .m-body{grid-template-columns:1fr}
  .nav{display:none}
  .m-info{padding:24px 22px 28px}
  .section{padding:52px 0}
}
@media (max-width:560px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
  .card-body{padding:13px 13px 15px;gap:6px}
  .card-title h3{font-size:15px}
  .card-summary{font-size:12.5px;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
  .btn-ghost{padding:8px 12px;font-size:13px}
  .section-head{margin-bottom:22px}
  .m-specs{grid-template-columns:1fr}
  .brand-text em{font-size:8.5px;letter-spacing:.02em}
  .header-inner{gap:8px}
  .brand{gap:8px}
  .brand-logo{height:30px;max-width:82px}
  .brand-text strong{font-size:12.5px;letter-spacing:0}
  .hide-sm{display:none}
}
/* ---------- 单款新品卡：左图 + 右侧 24 色色板 ---------- */
.grid{grid-template-columns:1fr}
.pcard{display:grid;grid-template-columns:minmax(230px,32%) 1fr;align-items:stretch;cursor:pointer}
.pcard .card-media{aspect-ratio:auto;height:100%;min-height:320px}
.pcard .card-body{padding:26px 30px 28px;gap:10px}
.pcard .card-title h3{font-size:24px}
.pcard .card-summary{font-size:15px}

/* ---------- 色板 ---------- */
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(58px,1fr));gap:12px 10px;margin:20px 0 4px}
.palette .sw{background:none;border:0;padding:0;margin:0;cursor:pointer;font:inherit;text-align:center;display:block}
.palette .sw i{
  display:block;width:100%;aspect-ratio:1/1;border-radius:50%;background:var(--c);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.07),0 2px 8px rgba(0,0,0,.14);transition:transform .16s,box-shadow .16s;
}
.palette .sw span{display:block;margin-top:6px;font-size:11.5px;color:var(--muted);font-family:ui-monospace,Menlo,monospace}
.palette .sw:hover i{transform:scale(1.07)}
.palette .sw.on i{box-shadow:0 0 0 3px #fff,0 0 0 5px var(--c)}
.palette .sw.on span{color:var(--accent);font-weight:700}

/* ---------- 详情顶部色板条 ---------- */
.m-picker-wrap{position:sticky;top:0;z-index:3;background:#fff;padding:20px 28px 4px;border-bottom:1px solid var(--line);border-radius:var(--radius-lg) var(--radius-lg) 0 0}
.m-picker-t{margin:0;font-size:13px;color:var(--muted);font-weight:600}
.palette-sm{grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:9px 8px;margin:14px 0}
.palette-sm .sw span{font-size:10.5px;margin-top:4px}

/* ---------- 详情色值条 ---------- */
.m-colorbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:14px 0 2px;font-size:13px;color:var(--ink-2)}
.m-colorbar i{width:22px;height:22px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.m-colorbar b{font-family:ui-monospace,Menlo,monospace;font-size:13.5px}
.m-colorbar span{color:var(--muted);font-size:12px}

@media (max-width:820px){
  .pcard{grid-template-columns:1fr}
  .pcard .card-media{aspect-ratio:4/3;min-height:0;height:auto}
  .pcard .card-body{padding:18px 18px 20px}
  .palette{grid-template-columns:repeat(auto-fill,minmax(50px,1fr));gap:11px 8px}
  .m-picker-wrap{padding:16px 18px 4px}
}

@media print{
  .site-header,.hero-qr,.filters,.modal,.site-footer,.video-grid,.palette,.m-picker-wrap{display:none}
}