/* MS02 ÉLORA — 珠宝旗舰，影像至上 + 字距收敛 */
:root{
  --bg:#080a09;
  --ink:#f2eee4;
  --muted:#8f8d82;
  --muted-2:#5c5b53;
  --gold:#c9ab7a;
  --gold-dim:rgba(201,171,122,.34);
  --line:rgba(242,238,228,.13);
  --pad:clamp(18px,4.4vw,60px);
  --max:1320px;
  --serif:"Songti SC","SimSun",Georgia,"Times New Roman",serif;
  --sans:"Segoe UI",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* 影像层：暗场 + 水面冷反光 + 珠宝微光（纯 CSS） */
.vista{position:absolute;inset:0;overflow:hidden;background:#050706}
.vista .deep{position:absolute;inset:0;
  background:
    radial-gradient(52% 38% at 72% 26%,rgba(122,168,158,.26),transparent 66%),
    radial-gradient(40% 30% at 22% 62%,rgba(58,86,88,.22),transparent 70%),
    linear-gradient(178deg,#0a1112 0%,#070b0b 46%,#040606 100%);
  animation:drift 26s ease-in-out infinite alternate}
@keyframes drift{from{transform:scale(1.02) translate3d(0,0,0)}to{transform:scale(1.11) translate3d(-1.4%,-1%,0)}}
/* 主体：一枚铂金单钻戒，悬在水面上方，下面压一层倒影 */
.vista .rimlight{position:absolute;inset:0;
  background:radial-gradient(46% 34% at 58% 30%,rgba(178,222,212,.10),transparent 72%)}
.vista .ringbox{position:absolute;left:58%;top:14%;width:min(24vw,288px);
  aspect-ratio:1;z-index:1;transform:translateX(-50%)}
.vista .ring{position:absolute;inset:0}
.vista .ring .band{position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(from 200deg,
    #3b4741 0%,#a2b3a8 8%,#f4faf5 15%,#7f8e85 24%,#2f3833 34%,
    #aab9af 48%,#edf5ef 58%,#5e6c64 70%,#242c28 82%,#3b4741 100%);
  /* 用 -webkit-mask-image / mask-image 分开写：mask 简写在部分引擎里不生效，
     环会整块不渲染，只剩宝石悬空 */
  -webkit-mask-image:radial-gradient(closest-side at 50% 50%,transparent 72%,#fff 74%);
  mask-image:radial-gradient(closest-side at 50% 50%,transparent 72%,#fff 74%);
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  filter:drop-shadow(0 18px 34px rgba(0,0,0,.75))}
.vista .ring .stone{position:absolute;left:50%;top:-11%;width:24%;aspect-ratio:1;
  transform:translateX(-50%) rotate(45deg);border-radius:3px;
  background:
    linear-gradient(135deg,rgba(255,255,255,.95),transparent 46%),
    conic-gradient(from 45deg,#eafaf5,#bfe6dd 22%,#7fb0aa 40%,#f2fffb 52%,
      #9cc9c2 70%,#dff5ef 88%,#eafaf5);
  box-shadow:0 0 22px 5px rgba(196,240,230,.26),inset 0 0 12px rgba(255,255,255,.7)}
.vista .ring .stone::after{content:"";position:absolute;inset:22%;
  background:
    linear-gradient(45deg,transparent 47%,rgba(255,255,255,.7) 48% 52%,transparent 53%),
    linear-gradient(-45deg,transparent 47%,rgba(255,255,255,.55) 48% 52%,transparent 53%);
  border-radius:1px}
.vista .ring .glint{position:absolute;left:50%;top:-11%;width:24%;aspect-ratio:1;
  transform:translateX(-50%) rotate(45deg);
  background:radial-gradient(circle at 34% 28%,rgba(255,255,255,.95),transparent 44%);
  animation:glint 5.6s ease-in-out infinite}
@keyframes glint{0%,100%{opacity:.35}50%{opacity:.95}}
/* 倒影：镜像 + 模糊 + 向下渐隐，浸在水面之下 */
.vista .ring.refl{top:106%;bottom:auto;height:100%;
  transform:scaleY(-1);opacity:.13;filter:blur(7px) saturate(.6);
  /* 元素自身做过 scaleY(-1)，渐变方向要反着写：局部底边才是视觉上方 */
  -webkit-mask-image:linear-gradient(0deg,#fff 0%,rgba(255,255,255,.35) 46%,transparent 78%);
  mask-image:linear-gradient(0deg,#fff 0%,rgba(255,255,255,.35) 46%,transparent 78%)}
.vista .ring.refl .band{filter:drop-shadow(0 0 0 transparent)}
.vista .ring.refl .glint{display:none}

.vista .water{position:absolute;left:0;right:0;bottom:0;height:46%;z-index:2;
  background:
    repeating-linear-gradient(94deg,rgba(190,225,215,.055) 0 1px,transparent 1px 9px),
    repeating-linear-gradient(88deg,rgba(255,255,255,.03) 0 2px,transparent 2px 17px),
    linear-gradient(180deg,rgba(26,46,46,.55),rgba(4,8,8,.95));
  filter:blur(.4px)}
.vista .water::after{content:"";position:absolute;inset:0;
  background:radial-gradient(60% 40% at 46% 6%,rgba(214,244,232,.16),transparent 70%);
  animation:shimmer 8s ease-in-out infinite alternate}
@keyframes shimmer{from{opacity:.5}to{opacity:1}}
/* 珠宝点光 */
.vista .spark{position:absolute;width:3px;height:3px;border-radius:50%;
  background:radial-gradient(circle,#fff,rgba(255,255,255,0));box-shadow:0 0 10px 3px rgba(220,244,238,.45)}
.vista .grain{position:absolute;inset:0;opacity:.32;mix-blend-mode:overlay;
  background:repeating-linear-gradient(37deg,rgba(255,255,255,.05) 0 1px,transparent 1px 3px)}

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

/* ---------- 导航 ---------- */
.head{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;
  justify-content:space-between;gap:24px;padding:22px var(--pad);
  transition:background .35s ease,padding .35s ease,backdrop-filter .35s}
.head.solid{background:rgba(8,10,9,.82);backdrop-filter:blur(16px) saturate(120%);
  border-bottom:1px solid var(--line);padding-top:15px;padding-bottom:15px}
.logo{font-family:var(--serif);font-size:20px;letter-spacing:.46em;text-transform:uppercase;
  transition:letter-spacing 1.4s cubic-bezier(.16,.84,.24,1)}
.head.ready .logo{letter-spacing:.2em}
.head nav ul{display:flex;gap:clamp(16px,2.6vw,38px);list-style:none;margin:0;padding:0}
.head nav a{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:#cfcabc;
  position:relative;padding-bottom:4px}
.head nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold);transition:width .35s cubic-bezier(.2,.8,.2,1)}
.head nav a:hover::after,.head nav a.on::after{width:100%}
.head nav a.on{color:#fff}
.bag{display:flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:#d8d3c5;border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;transition:border-color .25s,color .25s}
.bag:hover{border-color:var(--gold-dim);color:#fff}

/* ---------- 首屏：无标题，只有影像 ---------- */
.hero{position:relative;height:100svh;min-height:600px;overflow:hidden}
.hero .frame{position:absolute;inset:0}
.hero .meta-l{position:absolute;left:var(--pad);bottom:clamp(26px,6vh,64px);z-index:3;
  display:flex;flex-direction:column;gap:14px;max-width:300px}
.hero .meta-l .k{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:#a8a496}
.hero .meta-l .nm{font-family:var(--serif);font-size:clamp(1.5rem,2.6vw,2.2rem);
  line-height:1.2;letter-spacing:.01em}
.hero .meta-r{position:absolute;right:var(--pad);bottom:clamp(26px,6vh,64px);z-index:3;
  text-align:right;display:flex;flex-direction:column;gap:10px}
.hero .meta-r .k{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:#a8a496}
.hero .meta-r .v{font-size:12px;color:#ded9cb;font-variant-numeric:tabular-nums}
.scrollcue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:9px;
  font-size:9px;letter-spacing:.26em;text-transform:uppercase;color:#9d9989}
.scrollcue i{display:block;width:1px;height:32px;background:linear-gradient(180deg,var(--gold),transparent);
  position:relative;overflow:hidden}
.scrollcue i::after{content:"";position:absolute;top:0;left:0;width:1px;height:9px;background:#fff;
  animation:fall 2.4s cubic-bezier(.55,0,.45,1) infinite}
@keyframes fall{0%{transform:translateY(-10px);opacity:0}25%{opacity:1}100%{transform:translateY(34px);opacity:0}}

/* 侧向竖排章节号 */
.sidenum{position:absolute;right:calc(var(--pad) - 6px);top:50%;transform:translateY(-50%) rotate(90deg);
  transform-origin:center;font-size:9px;letter-spacing:.34em;text-transform:uppercase;
  color:#7d7a6d;z-index:3;white-space:nowrap}

/* ---------- 品牌词带 ---------- */
.ticker{position:relative;overflow:hidden;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);padding:16px 0;background:#070908}
.ticker .track{display:flex;gap:52px;white-space:nowrap;will-change:transform;
  font-family:var(--serif);font-size:clamp(1rem,1.8vw,1.4rem);letter-spacing:.16em;
  text-transform:uppercase;color:#b7b2a3}
.ticker .track span{display:inline-flex;align-items:center;gap:52px}
.ticker .track span::after{content:"◇";color:var(--gold);font-size:.7em}

/* ---------- 区块 ---------- */
.sec{padding:clamp(64px,11vh,132px) 0;position:relative}
.inner{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.sec-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:clamp(30px,4.6vw,58px)}
.sec-top h2{margin:0;font-family:var(--serif);font-weight:400;
  font-size:clamp(1.5rem,3.4vw,2.5rem);line-height:1.18;letter-spacing:.01em}
.sec-top .en{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}

.lead{max-width:60ch;font-size:15.5px;line-height:1.92;color:#c3bfb2}
.lead em{font-style:normal;color:var(--gold)}
.lead + .lead{margin-top:18px}

/* 系列三件 */
.pieces{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(10px,1.6vw,20px)}
.piece{display:block;position:relative;overflow:hidden;background:#0a0c0b}
.piece .shot{position:relative;aspect-ratio:3/4;overflow:hidden;border:1px solid var(--line)}
.piece .shot .bg{position:absolute;inset:0;transition:transform 1.1s cubic-bezier(.16,.84,.24,1)}
.piece:hover .shot .bg{transform:scale(1.055)}
/* 三种材质：玉、金、钻 */
.mat-a{
  --stone:rgba(178,232,210,.92);--stone-2:rgba(58,112,96,.6);background:
  radial-gradient(42% 36% at 46% 38%,rgba(160,214,190,.55),transparent 62%),
  radial-gradient(70% 60% at 50% 104%,rgba(30,60,52,.9),transparent 72%),
  linear-gradient(168deg,#0c1614,#060a09 72%)}
.mat-b{
  --stone:rgba(246,220,166,.92);--stone-2:rgba(136,102,52,.62);background:
  radial-gradient(36% 30% at 54% 34%,rgba(232,200,140,.62),transparent 60%),
  radial-gradient(66% 56% at 48% 100%,rgba(82,62,34,.85),transparent 74%),
  linear-gradient(162deg,#15110b,#0a0806 76%)}
.mat-c{
  --stone:rgba(236,250,252,.94);--stone-2:rgba(92,120,132,.58);background:
  radial-gradient(30% 26% at 50% 34%,rgba(230,244,248,.72),transparent 58%),
  radial-gradient(58% 52% at 50% 96%,rgba(56,70,78,.9),transparent 76%),
  linear-gradient(172deg,#0d1216,#060809 74%)}
/* 宝石主体：切工由 .f-* 决定，颜色由材质的 --stone 决定 */
.piece .shot .bg::after{content:"";position:absolute;left:50%;top:51%;
  width:44%;height:44%;transform:translate(-50%,-50%);
  background:
    linear-gradient(148deg,rgba(255,255,255,.9),rgba(255,255,255,.1) 38%,transparent 62%),
    conic-gradient(from 22deg,
      var(--stone,rgba(210,230,224,.9)) 0%,
      var(--stone-2,rgba(90,130,124,.55)) 18%,
      var(--stone,rgba(210,230,224,.9)) 34%,
      var(--stone-2,rgba(90,130,124,.55)) 52%,
      var(--stone,rgba(210,230,224,.9)) 70%,
      var(--stone-2,rgba(90,130,124,.55)) 86%,
      var(--stone,rgba(210,230,224,.9)) 100%);
  filter:drop-shadow(0 14px 26px rgba(0,0,0,.65));
  transition:transform 1.1s cubic-bezier(.16,.84,.24,1)}
/* 六种切工 */
.f-emerald::after{width:45%;height:43%;clip-path:polygon(20% 0,80% 0,100% 20%,100% 80%,80% 100%,20% 100%,0 80%,0 20%)}
.f-cushion::after{width:43%;height:43%;clip-path:polygon(30% 0,70% 0,100% 30%,100% 70%,70% 100%,30% 100%,0 70%,0 30%)}
.f-oval::after{width:48%;height:39%;clip-path:polygon(50% 0,70% 6%,86% 24%,92% 50%,86% 76%,70% 94%,50% 100%,30% 94%,14% 76%,8% 50%,14% 24%,30% 6%)}
.f-pear::after{width:41%;height:47%;clip-path:polygon(50% 0,72% 26%,84% 58%,74% 86%,50% 100%,26% 86%,16% 58%,28% 26%)}
.f-marquise::after{width:33%;height:47%;clip-path:polygon(50% 0,86% 50%,50% 100%,14% 50%)}
.f-trillion::after{width:49%;height:42%;clip-path:polygon(50% 0,100% 88%,0 88%)}
.piece .info{display:flex;justify-content:space-between;gap:14px;padding:15px 2px 0}
.piece .info h3{margin:0;font-size:14px;font-weight:400;letter-spacing:.02em}
.piece .info p{margin:5px 0 0;font-size:11.5px;color:var(--muted)}
.piece .info .pr{font-size:12.5px;color:#d6d1c2;font-variant-numeric:tabular-nums;white-space:nowrap}
.piece .tag{position:absolute;left:12px;top:12px;font-size:9px;letter-spacing:.2em;
  text-transform:uppercase;color:#e6e1d2;background:rgba(8,10,9,.5);border:1px solid var(--line);
  padding:4px 8px;border-radius:2px;backdrop-filter:blur(6px)}

/* 分栏叙事 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:center}
.split .visual{position:relative;aspect-ratio:4/5;overflow:hidden;border:1px solid var(--line)}
.split .visual .bg{position:absolute;inset:0}
.figcap{margin:12px 0 0;font-size:11px;color:var(--muted-2);letter-spacing:.06em}

/* 工艺四步 */
.craft{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.craft .c{padding:26px 22px 30px;border-right:1px solid var(--line);position:relative}
.craft .c:last-child{border-right:0}
.craft .c .n{font-family:var(--serif);font-size:12px;letter-spacing:.2em;color:var(--gold)}
.craft .c h3{margin:14px 0 9px;font-size:15px;font-weight:500}
.craft .c p{margin:0;font-size:12.5px;line-height:1.72;color:var(--muted)}

/* 预约条 */
.cta{border:1px solid var(--gold-dim);padding:clamp(26px,4vw,48px);display:flex;
  align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(201,171,122,.07),transparent 62%)}
.cta h3{margin:0;font-family:var(--serif);font-size:clamp(1.15rem,2.2vw,1.6rem);font-weight:400}
.cta p{margin:8px 0 0;font-size:12.5px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 24px;font-size:11.5px;
  letter-spacing:.16em;text-transform:uppercase;border:1px solid var(--gold);color:#efe9da;
  background:transparent;cursor:pointer;transition:background .3s,color .3s,transform .25s}
.btn:hover{background:var(--gold);color:#0a0c0b;transform:translateY(-1px)}
.btn-solid{background:var(--gold);color:#0a0c0b}
.btn-solid:hover{background:#dcc094}
.btn-ghost{border-color:var(--line);color:#cfcabc}
.btn-ghost:hover{border-color:var(--gold);background:transparent;color:#fff}

/* 产品网格（collections） */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.6vw,34px) clamp(10px,1.6vw,20px)}
.filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:clamp(24px,3vw,38px)}
.filter button{font:inherit;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  padding:8px 15px;border:1px solid var(--line);background:transparent;color:#b8b4a6;
  cursor:pointer;transition:color .25s,border-color .25s,background .25s}
.filter button:hover{color:#fff;border-color:var(--gold-dim)}
.filter button[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:#0a0c0b}

/* 工艺页长文 */
.article{max-width:66ch}
.article h3{font-family:var(--serif);font-weight:400;font-size:clamp(1.1rem,2vw,1.5rem);
  margin:38px 0 12px;letter-spacing:.01em}
.article p{margin:0 0 17px;font-size:15px;line-height:1.95;color:#bfbbae}
.article p:first-of-type::first-letter{font-family:var(--serif);float:left;font-size:3.2em;
  line-height:.86;padding:6px 12px 0 0;color:var(--gold)}
.pull{margin:34px 0;padding-left:22px;border-left:1px solid var(--gold);
  font-family:var(--serif);font-size:clamp(1.05rem,2vw,1.4rem);line-height:1.6;color:#e2ddcf}

/* 页脚 */
.foot{border-top:1px solid var(--line);padding:clamp(38px,6vw,64px) var(--pad) 30px}
.foot-in{max-width:var(--max);margin:0 auto;display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot h4{margin:0 0 12px;font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted-2)}
.foot a{display:block;font-size:12.5px;color:#a8a497;margin-bottom:8px;transition:color .2s}
.foot a:hover{color:#fff}
.foot .logo{display:inline-block;margin-bottom:12px;font-size:16px;letter-spacing:.3em}
.foot .note{font-size:12px;color:var(--muted-2);line-height:1.8;max-width:30ch}
.foot small{display:block;max-width:var(--max);margin:36px auto 0;font-size:10.5px;
  color:var(--muted-2);letter-spacing:.04em}

/* 入场 */
.rv{opacity:0;transform:translateY(26px);
  transition:opacity 1s cubic-bezier(.16,.84,.24,1),transform 1s cubic-bezier(.16,.84,.24,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.09s}.rv-d2{transition-delay:.18s}.rv-d3{transition-delay:.27s}

/* ---------- 内页首屏 ---------- */
.phero{padding-top:clamp(128px,17vh,200px);padding-bottom:clamp(26px,4vw,46px);
  border-bottom:1px solid var(--line)}
.phero h1{margin:16px 0 0;font-family:var(--serif);font-weight:400;
  font-size:clamp(1.9rem,5vw,3.6rem);line-height:1.1;letter-spacing:.01em}
.plist{display:flex;gap:clamp(22px,4vw,54px);margin-top:clamp(26px,3.6vw,42px);
  padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap}
.plist span{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.plist b{display:block;font-family:var(--serif);font-size:clamp(1.2rem,2.4vw,1.7rem);
  letter-spacing:.02em;color:var(--ink);text-transform:none;margin-bottom:4px}

/* 定义列表 */
.dlist{margin:24px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
.dlist li{display:flex;justify-content:space-between;gap:20px;padding:13px 2px;
  border-bottom:1px solid var(--line);font-size:12.5px}
.dlist span{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;font-size:10.5px}
.dlist b{font-weight:400;color:#ded9cb}

/* 材质变体 */
.mat-d{
  --stone:rgba(168,198,246,.92);--stone-2:rgba(44,74,132,.62);background:
  radial-gradient(34% 30% at 48% 34%,rgba(96,140,220,.62),transparent 60%),
  radial-gradient(64% 56% at 50% 100%,rgba(18,32,64,.92),transparent 74%),
  linear-gradient(168deg,#0b1120,#060810 74%)}
.mat-e{
  --stone:rgba(250,238,208,.92);--stone-2:rgba(116,96,60,.58);background:
  radial-gradient(38% 32% at 52% 32%,rgba(240,226,196,.5),transparent 60%),
  radial-gradient(62% 54% at 46% 98%,rgba(66,54,36,.88),transparent 76%),
  linear-gradient(174deg,#14110c,#080706 76%)}
.mat-f{
  --stone:rgba(196,208,226,.92);--stone-2:rgba(52,60,74,.66);background:
  radial-gradient(30% 26% at 50% 36%,rgba(150,166,190,.55),transparent 58%),
  radial-gradient(60% 52% at 50% 98%,rgba(28,32,38,.95),transparent 78%),
  linear-gradient(170deg,#0c0e12,#050607 76%)}


/* 焦点可见 */
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

@media (max-width:1000px){
  .pieces,.pgrid{grid-template-columns:repeat(2,1fr)}
  .craft{grid-template-columns:repeat(2,1fr)}
  .craft .c:nth-child(2){border-right:0}
  .split{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .head nav{display:none}
  .hero .meta-l{max-width:56%}
  .sidenum{display:none}
}
@media (max-width:600px){
  .pieces,.pgrid{grid-template-columns:1fr}
  .craft{grid-template-columns:1fr}
  .craft .c{border-right:0;border-bottom:1px solid var(--line)}
  .foot-in{grid-template-columns:1fr}
  .hero .meta-r{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important}
  .rv{opacity:1;transform:none}
  .logo{letter-spacing:.2em}
}