/* ===========================================
   myTEA 官网样式 — "Tea House" 深茶绿 · 米纸 · 金
   与公司介绍 PPT 保持同一视觉体系
   =========================================== */
:root{
  --bg:#0d1a15;
  --bg-2:#122420;
  --bg-3:#17302a;
  --paper:#f3ead6;
  --paper-dim:#b9b19c;
  --paper-faint:rgba(243,234,214,.55);
  --gold:#d2a846;
  --gold-soft:rgba(210,168,70,.16);
  --leaf:#8fc29a;
  --leaf-soft:rgba(143,194,154,.14);
  --line:rgba(243,234,214,.12);
  --line-strong:rgba(243,234,214,.22);
  --danger:#d98b6c;

  --font-en:'Fraunces','Noto Serif SC',Georgia,serif;
  --font-zh:'Noto Serif SC','Fraunces',Georgia,serif;
  --font-body:'Noto Sans SC',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --maxw:1180px;
  --pad:clamp(1.2rem,4vw,3rem);
  --sec-gap:clamp(4rem,10vw,8rem);
  --radius:14px;
  --ease:cubic-bezier(.16,1,.3,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--bg);color:var(--paper);font-family:var(--font-body);font-weight:300;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
strong,b{font-weight:500;color:var(--paper)}
code,pre,.mono{font-family:var(--font-mono)}

/* 纸纹背景 */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse at 85% 0%, var(--leaf-soft) 0%, transparent 50%),
    radial-gradient(ellipse at 0% 100%, var(--gold-soft) 0%, transparent 45%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
section{padding:var(--sec-gap) 0;position:relative}
section.alt{background:var(--bg-2)}
section + section{border-top:1px solid var(--line)}

/* 排版 */
.kicker{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);display:flex;align-items:center;gap:.8em;margin-bottom:1rem}
.kicker::before{content:"";width:2.4em;height:1px;background:var(--gold);opacity:.85}
h1{font-family:var(--font-en);font-weight:500;line-height:1.02;letter-spacing:-.02em}
h2{font-family:var(--font-zh);font-weight:700;font-size:clamp(1.7rem,3.6vw,2.7rem);line-height:1.2;letter-spacing:-.01em}
h2 em{font-family:var(--font-en);font-style:italic;font-weight:400;color:var(--gold)}
h3{font-family:var(--font-zh);font-weight:500;font-size:clamp(1.05rem,1.8vw,1.3rem);line-height:1.35}
.lead{font-size:clamp(1rem,1.6vw,1.2rem);color:var(--paper-dim);max-width:56ch;margin-top:1rem}
.sec-head{max-width:760px;margin-bottom:clamp(2rem,5vw,3.5rem)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .kicker{justify-content:center}
.sec-head.center .lead{margin-left:auto;margin-right:auto}
.quote{font-family:var(--font-zh);font-size:clamp(1.05rem,1.9vw,1.35rem);color:var(--paper);border-left:3px solid var(--gold);padding:.4rem 0 .4rem 1.2rem;margin-top:2.5rem;max-width:760px;font-weight:500;line-height:1.6}
.quote em{color:var(--gold);font-style:normal}
.note{font-size:.78rem;color:var(--paper-faint);margin-top:1.4rem;line-height:1.6}
.hl{color:var(--gold)}
.leaf{color:var(--leaf)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:.6em;padding:.85em 1.5em;border-radius:999px;font-weight:500;font-size:.95rem;border:1px solid transparent;transition:transform .25s var(--ease),background .25s,border-color .25s,color .25s;cursor:pointer;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--gold);color:#1a1407;border-color:var(--gold)}
.btn-primary:hover{background:#e0b95a}
.btn-ghost{border-color:var(--line-strong);color:var(--paper)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn svg{width:1em;height:1em}

/* 导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(13,26,21,.72);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.scrolled{border-bottom-color:var(--line);background:rgba(13,26,21,.9)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:1rem}
.logo{font-family:var(--font-en);font-size:1.45rem;font-weight:500;letter-spacing:-.01em;display:flex;align-items:center;gap:.55em}
.logo b{color:var(--gold);font-weight:700}
.logo .mark{width:28px;height:28px;flex:none}
.nav-links{display:flex;gap:clamp(1rem,2.4vw,2rem);font-size:.92rem;color:var(--paper-dim)}
.nav-links a{position:relative;padding:.3em 0;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);transition:right .3s var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--paper)}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-cta{display:flex;align-items:center;gap:.8rem}
.nav-cta .btn{padding:.6em 1.2em;font-size:.88rem}
.nav-toggle{display:none;background:none;border:1px solid var(--line-strong);color:var(--paper);width:40px;height:40px;border-radius:10px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:20px;height:20px}
@media (max-width:880px){
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:rgba(13,26,21,.97);border-bottom:1px solid var(--line);padding:.5rem 0}
  .nav-links.open{display:flex}
  .nav-links a{padding:.9rem var(--pad);border-top:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta .btn{display:none}
}

/* Hero */
.hero{padding:calc(68px + clamp(4rem,10vw,7.5rem)) 0 clamp(3rem,7vw,5.5rem);border-top:none;overflow:hidden}
.hero .hero-grid>*{min-width:0}
.hero .hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.95fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.hero h1{font-size:clamp(2.6rem,6.2vw,5.2rem);margin:.6rem 0 1rem}
.hero h1 .cn{display:block;font-family:var(--font-zh);font-weight:700;font-size:.55em;line-height:1.25;margin-top:.35em;letter-spacing:0}
.hero .tag{font-family:var(--font-en);font-style:italic;font-size:clamp(1.05rem,1.8vw,1.35rem);color:var(--gold);margin-bottom:1.2rem}
.hero .pos{color:var(--paper-dim);font-size:clamp(.95rem,1.4vw,1.1rem);line-height:1.7}
.hero .pos b{display:block;color:var(--paper);font-weight:500;font-size:1.08em}
.hero .actions{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:2rem}
.hero-bg{position:absolute;inset:0;pointer-events:none;z-index:-1;opacity:.55;overflow:hidden}
.hero-bg svg{position:absolute;right:-8%;top:-10%;width:70%;height:auto;max-width:900px}

/* 代码卡 */
.code-card{background:#0a1511;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.code-card .bar{display:flex;align-items:center;gap:.5rem;padding:.7rem 1rem;border-bottom:1px solid var(--line);font-family:var(--font-mono);font-size:.72rem;color:var(--paper-faint)}
.code-card .bar i{width:10px;height:10px;border-radius:50%;background:var(--line-strong);display:inline-block}
.code-card .bar i:nth-child(1){background:#d98b6c}.code-card .bar i:nth-child(2){background:var(--gold)}.code-card .bar i:nth-child(3){background:var(--leaf)}
.code-card .bar span{margin-left:auto}
.code-card pre{padding:1.2rem 1.3rem;font-size:clamp(.74rem,1.1vw,.88rem);line-height:1.7;overflow-x:auto;color:var(--paper)}
.code-card .c{color:var(--paper-faint)}.code-card .k{color:var(--leaf)}.code-card .s{color:var(--gold)}.code-card .v{color:#e8d6a8}
.code-card .foot{padding:.8rem 1.3rem;border-top:1px solid var(--line);font-size:.82rem;color:var(--paper-dim);display:flex;gap:.6rem;align-items:center}
.code-card .foot code{white-space:nowrap;color:var(--gold);background:var(--gold-soft);padding:.1em .45em;border-radius:5px;font-size:.85em}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:clamp(3rem,6vw,4.5rem);background:rgba(18,36,32,.6)}
.stats div{padding:1.4rem 1.3rem;border-right:1px solid var(--line)}
.stats div:last-child{border-right:none}
.stats .n{font-family:var(--font-en);font-size:clamp(1.7rem,3vw,2.5rem);font-weight:500;line-height:1;color:var(--paper)}
.stats .n small{font-size:.5em;color:var(--gold);margin-left:.15em;font-family:var(--font-mono);font-weight:400}
.stats .l{font-size:.82rem;color:var(--paper-dim);margin-top:.5rem}
@media (max-width:880px){.hero .hero-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.stats div:nth-child(2){border-right:none}.stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}}

/* 品牌释义 */
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.brand-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.4rem;position:relative;overflow:hidden;transition:border-color .3s,transform .3s var(--ease)}
.brand-card:hover{border-color:var(--gold);transform:translateY(-3px)}
.brand-card .letter{font-family:var(--font-en);font-size:3rem;font-weight:500;color:var(--gold);line-height:1;letter-spacing:-.02em}
.brand-card .letter small{font-size:.4em;color:var(--paper-dim);font-style:italic;margin-left:.2em}
.brand-card h3{margin:1rem 0 .5rem}
.brand-card p{font-size:.92rem;color:var(--paper-dim)}
.brand-card .cap{margin-top:1rem;font-family:var(--font-mono);font-size:.72rem;color:var(--leaf);letter-spacing:.05em}
@media (max-width:960px){.brand-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.brand-grid{grid-template-columns:1fr}}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem}
.pain{border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem 1.6rem;background:rgba(13,26,21,.55);display:grid;grid-template-columns:auto 1fr;gap:1.2rem;align-items:start}
.pain .num{font-family:var(--font-en);font-size:2.4rem;font-weight:300;color:var(--gold);line-height:1;opacity:.85}
.pain h3{margin-bottom:.4rem}
.pain p{color:var(--paper-dim);font-size:.95rem}
@media (max-width:760px){.pain-grid{grid-template-columns:1fr}}

/* 对比表 */
.cmp{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg)}
.cmp table{width:100%;border-collapse:collapse;font-size:.95rem}
.cmp th,.cmp td{padding:1rem 1.2rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.cmp tr:last-child td{border-bottom:none}
.cmp th{font-family:var(--font-zh);font-weight:500;font-size:1rem;background:rgba(18,36,32,.7)}
.cmp th:last-child,.cmp td:last-child{background:var(--gold-soft);color:var(--paper);font-weight:400}
.cmp th:last-child{color:var(--gold);font-weight:700}
.cmp td:first-child{color:var(--paper-dim);white-space:nowrap;width:10%}
.cmp td:nth-child(2){color:var(--paper-dim)}
.cmp .tagline{display:flex;gap:1.2rem;align-items:center;justify-content:center;flex-wrap:wrap;padding:1.2rem;border-bottom:1px solid var(--line);font-family:var(--font-zh);font-size:1.05rem;background:rgba(18,36,32,.4)}
.cmp .tagline span{display:inline-flex;align-items:center;gap:.5em}
.cmp .tagline .vs{font-family:var(--font-en);font-style:italic;color:var(--gold)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:700px){.cmp table{min-width:640px}}

/* 三层架构 */
.layers{display:grid;gap:.8rem;margin-top:.5rem}
.layer{display:grid;grid-template-columns:140px 1fr auto;gap:1.5rem;align-items:center;padding:1.4rem 1.6rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2);transition:border-color .3s}
.layer:hover{border-color:var(--gold)}
.layer .name{font-family:var(--font-zh);font-weight:700;font-size:1.15rem}
.layer .name small{display:block;font-family:var(--font-mono);font-weight:400;font-size:.7rem;letter-spacing:.18em;color:var(--gold);text-transform:uppercase;margin-top:.2rem}
.layer p{color:var(--paper-dim);font-size:.95rem}
.layer .svc{font-family:var(--font-mono);font-size:.74rem;color:var(--leaf);border:1px solid rgba(143,194,154,.35);padding:.35em .8em;border-radius:999px;white-space:nowrap}
.layer-base{text-align:center;font-family:var(--font-mono);font-size:.76rem;letter-spacing:.12em;color:var(--paper-dim);padding:1rem;border:1px dashed var(--line-strong);border-radius:var(--radius)}
.layer-base b{color:var(--gold);font-weight:500}
@media (max-width:700px){.layer{grid-template-columns:1fr}.layer .svc{justify-self:start}}

.cap-map{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin-top:2.5rem}
.cap-map div{border:1px solid var(--line);border-radius:10px;padding:1rem 1.1rem;font-size:.9rem;display:flex;justify-content:space-between;gap:.8rem;align-items:center;background:rgba(13,26,21,.5)}
.cap-map div span:last-child{font-family:var(--font-mono);font-size:.72rem;color:var(--gold);white-space:nowrap}
@media (max-width:900px){.cap-map{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.cap-map{grid-template-columns:1fr}}

/* 技术架构图 */
.arch{display:grid;gap:.6rem;max-width:960px;margin:0 auto}
.arch .box{border:1px solid var(--line);border-radius:12px;padding:1rem 1.3rem;background:var(--bg-2);text-align:center}
.arch .box.top{background:transparent;border-style:dashed;color:var(--paper-dim)}
.arch .box.top b{color:var(--paper)}
.arch .box small{display:block;font-family:var(--font-mono);font-size:.72rem;color:var(--paper-dim);margin-top:.3rem;letter-spacing:.04em}
.arch .gw{border-color:var(--gold);background:linear-gradient(180deg,rgba(210,168,70,.14),rgba(210,168,70,.04));padding:1.3rem 1.4rem}
.arch .gw .t{font-family:var(--font-en);font-size:1.25rem;color:var(--gold);font-weight:500}
.arch .gw .row{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-top:.8rem}
.arch .gw .row span{font-family:var(--font-mono);font-size:.72rem;padding:.3em .7em;border:1px solid var(--line-strong);border-radius:999px;color:var(--paper)}
.arch .gw .engine{margin-top:.9rem;font-family:var(--font-zh);font-weight:500}
.arch .gw .engine small{color:var(--paper-dim);font-family:var(--font-body);font-weight:300}
.arch .arrow{text-align:center;color:var(--gold);font-size:1.1rem;line-height:1}
.arch .three{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}
.arch .three .box{text-align:left}
.arch .three .box b{display:block;font-family:var(--font-zh);font-weight:500;font-size:1rem}
.arch .three .box .m{font-family:var(--font-mono);font-size:.78rem;color:var(--leaf);margin-top:.3rem}
.arch .three .box.official{border-color:rgba(143,194,154,.4)}
.arch .three .box.official .m{color:var(--gold)}
.arch .settle{color:var(--paper-dim);font-size:.9rem}
.arch .settle b{color:var(--paper)}
@media (max-width:700px){.arch .three{grid-template-columns:1fr}}
.arch-notes{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem 2rem;margin-top:2.5rem;max-width:960px;margin-left:auto;margin-right:auto}
.arch-notes li{font-size:.92rem;color:var(--paper-dim);padding-left:1.2rem;position:relative}
.arch-notes li::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.arch-notes b{color:var(--paper)}
@media (max-width:700px){.arch-notes{grid-template-columns:1fr}}

/* 为什么自营 */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.why{border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.4rem;background:rgba(13,26,21,.55);transition:border-color .3s,transform .3s var(--ease)}
.why:hover{border-color:var(--leaf);transform:translateY(-3px)}
.why .idx{font-family:var(--font-mono);font-size:.72rem;color:var(--leaf);letter-spacing:.2em}
.why h3{margin:.6rem 0 .5rem}
.why p{font-size:.92rem;color:var(--paper-dim)}
@media (max-width:900px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.why-grid{grid-template-columns:1fr}}

/* 核心能力 */
.feature>*{min-width:0}
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.feature + .feature{margin-top:clamp(3.5rem,8vw,6rem);padding-top:clamp(3.5rem,8vw,6rem);border-top:1px solid var(--line)}
.feature.rev .txt{order:2}
.feature .idx{font-family:var(--font-en);font-size:3.2rem;font-weight:300;color:var(--gold);line-height:1;opacity:.9}
.feature h3{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:700;margin:.6rem 0 .8rem}
.feature h3 small{display:block;font-family:var(--font-mono);font-weight:400;font-size:.72rem;letter-spacing:.18em;color:var(--gold);margin-top:.4rem}
.feature .intro{color:var(--paper-dim);margin-bottom:1.2rem}
.feature ul li{padding:.55rem 0 .55rem 1.4rem;position:relative;font-size:.95rem;color:var(--paper-dim);border-bottom:1px solid var(--line)}
.feature ul li:last-child{border-bottom:none}
.feature ul li::before{content:"";position:absolute;left:0;top:1.05em;width:8px;height:8px;border-radius:2px;background:var(--gold);transform:rotate(45deg)}
.feature ul li b{color:var(--paper)}
.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);padding:1.4rem;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.panel h4{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem}
.route-dims{display:grid;gap:.6rem}
.route-dims div{display:grid;grid-template-columns:74px 1fr;gap:1rem;align-items:start;font-size:.9rem;padding:.7rem .9rem;border-radius:10px;background:var(--bg-2);border:1px solid var(--line)}
.route-dims div b{font-family:var(--font-zh);color:var(--gold);font-weight:500}
.route-dims div span{color:var(--paper-dim)}
.chain{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-top:1rem;font-family:var(--font-mono);font-size:.76rem}
.chain span{padding:.35em .8em;border-radius:999px;border:1px solid var(--line-strong)}
.chain span.p{border-color:var(--gold);color:var(--gold)}
.chain i{color:var(--paper-faint);font-style:normal}
.exch-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem}
.exch-grid div{background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:.9rem 1rem;font-size:.88rem}
.exch-grid div b{display:block;font-family:var(--font-zh);color:var(--paper);font-weight:500;margin-bottom:.25rem}
.exch-grid div span{color:var(--paper-dim)}
.maas-list{display:grid;gap:.6rem}
.maas-list div{display:flex;gap:.8rem;align-items:center;font-size:.88rem;color:var(--paper-dim);background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:.8rem 1rem}
.maas-list div .ok{width:18px;height:18px;border-radius:50%;background:var(--leaf-soft);color:var(--leaf);display:inline-flex;align-items:center;justify-content:center;font-size:.7rem;flex:none}
.maas-list div b{color:var(--paper)}
@media (max-width:820px){.feature{grid-template-columns:1fr}.feature.rev .txt{order:0}}

/* 算力与模型 */
.compute>*{min-width:0}
.compute{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(2rem,5vw,4rem);align-items:start}
.gpu-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.gpu-table .table-scroll{overflow-x:auto}
@media (max-width:600px){.gpu-table table{min-width:520px}}
.gpu-table table{width:100%;border-collapse:collapse;font-size:.92rem}
.gpu-table th,.gpu-table td{padding:.95rem 1.1rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.gpu-table th{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:400;background:rgba(18,36,32,.7)}
.gpu-table tr:last-child td{border-bottom:none}
.gpu-table td:first-child{font-family:var(--font-zh);font-weight:500;white-space:nowrap}
.gpu-table td .mono{color:var(--leaf);font-size:.85em}
.gpu-table tr.total td{background:var(--gold-soft);font-weight:500}
.gpu-table tr.total td:first-child{color:var(--gold)}
.big-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;margin-top:.8rem}
@media (max-width:420px){.big-stats{grid-template-columns:1fr}}
.big-stats div{border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.3rem;background:var(--bg-2)}
.big-stats .n{font-family:var(--font-en);font-size:clamp(1.6rem,3vw,2.6rem);white-space:nowrap;color:var(--paper);line-height:1}
.big-stats .n small{font-size:.45em;color:var(--gold);font-family:var(--font-mono);margin-left:.2em}
.big-stats .l{font-size:.8rem;color:var(--paper-dim);margin-top:.4rem}
.models{display:grid;gap:.7rem}
.model{display:grid;grid-template-columns:auto 1fr auto;gap:1rem;align-items:center;border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;background:rgba(13,26,21,.55);transition:border-color .3s}
.model:hover{border-color:var(--gold)}
.model .dot{width:10px;height:10px;border-radius:50%;background:var(--leaf);box-shadow:0 0 0 4px var(--leaf-soft)}
.model b{font-family:var(--font-en);font-size:1.15rem;font-weight:500;display:block}
.model span{font-size:.82rem;color:var(--paper-dim)}
.model .tag{font-family:var(--font-mono);font-size:.7rem;color:var(--gold);border:1px solid rgba(210,168,70,.4);padding:.3em .7em;border-radius:999px;white-space:nowrap}
.model.muted .dot{background:var(--paper-faint);box-shadow:none}
.model.muted .tag{color:var(--paper-dim);border-color:var(--line-strong)}
@media (max-width:860px){.compute{grid-template-columns:1fr}}

/* 透明可验证 */
.verify-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.8rem}
.verify{border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem 1.2rem;background:var(--bg-2);display:flex;flex-direction:column;gap:.6rem;transition:border-color .3s,transform .3s var(--ease)}
.verify:hover{border-color:var(--gold);transform:translateY(-3px)}
.verify .ico{width:38px;height:38px;border-radius:10px;background:var(--gold-soft);color:var(--gold);display:flex;align-items:center;justify-content:center}
.verify .ico svg{width:20px;height:20px}
.verify h3{font-size:1.02rem}
.verify p{font-size:.86rem;color:var(--paper-dim)}
@media (max-width:1000px){.verify-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.verify-grid{grid-template-columns:1fr}}

/* 定价 */
.price-grid>*{min-width:0}
.price-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:1rem;align-items:stretch}
.price{border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.5rem;background:rgba(13,26,21,.55);display:flex;flex-direction:column;gap:1rem}
.price.hero-price{border-color:var(--gold);background:linear-gradient(180deg,rgba(210,168,70,.1),rgba(13,26,21,.55))}
.price .lab{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--gold);text-transform:uppercase}
.price h3{font-size:1.25rem;font-weight:700}
.price p{font-size:.9rem;color:var(--paper-dim)}
.price table{width:100%;border-collapse:collapse;font-size:.86rem;margin-top:.3rem;min-width:400px}
.price th,.price td{padding:.6rem .4rem;text-align:left;border-bottom:1px solid var(--line)}
.price th{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.08em;color:var(--paper-dim);font-weight:400;text-transform:uppercase;white-space:nowrap}
.price tr:last-child td{border-bottom:none}
.price td:first-child{font-family:var(--font-en);font-weight:500;font-size:1rem;white-space:nowrap}
.price td .mono{color:var(--paper)}
.price td .off{color:var(--leaf);font-family:var(--font-mono);font-size:.85em}
.price .anchor{font-size:.78rem;color:var(--paper-faint);margin-top:auto}
.price .tiers{display:flex;gap:.6rem;flex-wrap:wrap}
.price .tiers span{font-family:var(--font-mono);font-size:.75rem;padding:.4em .8em;border:1px solid var(--line-strong);border-radius:999px}
.price .tiers span b{color:var(--leaf);font-weight:500}
.price .cta{margin-top:auto}
@media (max-width:960px){.price-grid{grid-template-columns:1fr}}

/* 合作流程 + FAQ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:clamp(3rem,6vw,4.5rem)}
.step{border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.4rem;background:var(--bg-2);position:relative}
.step .no{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--gold)}
.step h3{margin:.6rem 0 .5rem}
.step p{font-size:.9rem;color:var(--paper-dim)}
.step::after{content:"→";position:absolute;right:-.9rem;top:50%;transform:translateY(-50%);color:var(--gold);font-size:1.2rem;z-index:2}
.step:last-child::after{display:none}
@media (max-width:760px){.steps{grid-template-columns:1fr}.step::after{display:none}}
.faq{max-width:820px;margin:0 auto}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:1.2rem 0;font-family:var(--font-zh);font-weight:500;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-en);font-size:1.5rem;color:var(--gold);transition:transform .3s var(--ease);line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 1.3rem;color:var(--paper-dim);font-size:.95rem;max-width:70ch}

/* CTA / 结尾 */
.cta-sec{text-align:center;padding:clamp(5rem,12vw,9rem) 0}
.cta-sec .en{font-family:var(--font-en);font-style:italic;font-size:clamp(1.2rem,2.4vw,1.7rem);color:var(--gold);line-height:1.45}
.cta-sec h2{font-size:clamp(1.7rem,3.8vw,2.9rem);margin:1.2rem auto .8rem;max-width:30ch}
.cta-sec p{color:var(--paper-dim);max-width:54ch;margin:0 auto}
.cta-sec .actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;margin-top:2.2rem}
.cta-sec .mail{font-family:var(--font-mono);font-size:.85rem;color:var(--paper-dim);margin-top:1.4rem}
.cta-sec .mail a{color:var(--gold);border-bottom:1px solid rgba(210,168,70,.4)}

/* 页脚 */
footer{border-top:1px solid var(--line);padding:2.2rem 0;font-size:.82rem;color:var(--paper-dim)}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
footer .logo{font-size:1.1rem}
footer .links{display:flex;gap:1.4rem}
footer .links a:hover{color:var(--gold)}

/* 滚动进入动画 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---- 语言切换 ---- */
.lang{display:flex;align-items:center;gap:.1rem;padding:.15rem;border:1px solid var(--line-strong);border-radius:999px;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em}
.lang a{padding:.3em .6em;border-radius:999px;color:var(--paper-dim);transition:color .2s,background .2s;white-space:nowrap}
.lang a:hover{color:var(--paper)}
.lang a.on{background:var(--gold-soft);color:var(--gold)}

/* ---- 非中文页面：拉丁字体覆盖 ---- */
html:not([lang^="zh"]){--font-zh:'Fraunces','Noto Serif SC',Georgia,serif;--font-body:'Noto Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif}
html:not([lang^="zh"]) h2{font-weight:600}
html:not([lang^="zh"]) .nav-links{font-size:.86rem;gap:clamp(.8rem,1.8vw,1.5rem)}
html:not([lang^="zh"]) .nav-links a{white-space:nowrap}
html:not([lang^="zh"]) .hero h1 .cn{font-size:.4em;font-weight:500;line-height:1.2;letter-spacing:-.01em}
html:not([lang^="zh"]) .cmp .tagline{font-family:var(--font-en)}