/* Verbatim from vuulcan.com/products/shaped (shared Vuulcan design system) */

/* TOKENS · 共用(与 about.html 同) */
:root{
  --v-black:#0a0a0a; --v-dark:#141414; --v-darker:#050505;
  --v-white:#ffffff; --v-off:#F8FAFC;
  --v-g100:#f1f5f9; --v-g200:#e2e8f0; --v-g300:#cbd5e1;
  --v-g400:#94a3b8; --v-g500:#64748b; --v-g600:#475569; --v-g700:#334155;
  --v-ember:#D64218; --v-ember-h:#B8371A;
  --v-font-en:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --v-font-cn:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
  --v-font:var(--v-font-cn),var(--v-font-en);
  --v-mw:1240px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
a{text-decoration:none;color:inherit}
body{font-family:var(--v-font);font-size:16px;line-height:1.75;color:var(--v-black);-webkit-font-smoothing:antialiased;overflow-x:hidden;background:var(--v-white)}
h1,h2,h3,h4{line-height:1.15;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(32px,4.5vw,52px)}
h2{font-size:clamp(26px,3vw,40px)}
h3{font-size:clamp(18px,2vw,22px);font-weight:700}
p{margin-bottom:16px}
p:last-child{margin-bottom:0}
em{font-style:normal;color:var(--v-ember)}

.wr-ctn{max-width:var(--v-mw);margin:0 auto;padding:0 24px;width:100%}
.wr-section{padding:100px 0;position:relative}
.wr-section[id]{scroll-margin-top:72px}
.wr-label{font-size:12px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;margin-bottom:16px;display:block;font-family:var(--v-font-en)}
.wr-label--ember{color:var(--v-ember)}
.wr-center-label{text-align:center;display:block}

.wr-btn{display:inline-flex;align-items:center;gap:10px;padding:16px 40px;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:var(--v-black);color:var(--v-white);border:2px solid var(--v-black);cursor:pointer;transition:.3s;white-space:nowrap;font-family:var(--v-font)}
.wr-btn:hover{background:var(--v-white);color:var(--v-black);border-color:var(--v-black)}
.wr-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .3s}
.wr-btn:hover svg{transform:translateX(4px)}
.wr-btn--outline{background:transparent;color:var(--v-white);border-color:var(--v-white)}
.wr-btn--outline:hover{background:var(--v-white);color:var(--v-black)}
.wr-btn--ember{background:var(--v-ember);color:var(--v-white);border-color:var(--v-ember)}
.wr-btn--ember:hover{background:var(--v-white);color:var(--v-ember);border-color:var(--v-ember)}

/* NAV · 共用 */
.wr-nav{position:fixed;top:0;left:0;right:0;z-index:200;padding:14px 0;background:rgba(10,10,10,.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);transition:.3s}
.wr-nav .wr-ctn{display:flex;justify-content:space-between;align-items:center}
.wr-logo{display:flex;flex-direction:column;line-height:1}
.wr-logo-main{font-family:var(--v-font-en);font-size:22px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--v-white)}
.wr-logo-main span{color:var(--v-ember)}
.wr-logo-sub{font-size:11px;color:var(--v-g400);letter-spacing:.3em;margin-top:5px;font-weight:600}
.wr-nav-links{display:flex;gap:32px;align-items:center}
.wr-nav-link{font-size:13px;font-weight:600;color:var(--v-g400);transition:color .3s;letter-spacing:.02em}
.wr-nav-link:hover{color:var(--v-white)}
.wr-nav-link.is-current{color:var(--v-white)}
.wr-nav-global{font-family:var(--v-font-en);font-size:11px;font-weight:700;color:var(--v-g400);padding:6px 12px;border:1px solid rgba(255,255,255,.15);letter-spacing:.1em;text-transform:uppercase;transition:.3s}
.wr-nav-global:hover{color:var(--v-white);border-color:var(--v-white)}
.wr-nav-cta{font-family:var(--v-font-en);font-size:12px;font-weight:700;color:var(--v-white);background:var(--v-ember);padding:10px 22px;letter-spacing:.08em;text-transform:uppercase;transition:.3s;margin-left:8px}
.wr-nav-cta:hover{background:var(--v-white);color:var(--v-black)}
.wr-mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.wr-mobile-toggle svg{width:24px;height:24px;stroke:var(--v-white);fill:none;stroke-width:2}

/* Sub-Hero · 共用 */
.wr-sub-hero{
  min-height:55vh;display:flex;align-items:center;padding:140px 0 80px;
  position:relative;overflow:hidden;background:var(--v-black);color:var(--v-white);
  background-image:url('/assets/img/brick-kiln-cars.webp');
  background-size:cover;background-position:right center;
}
.wr-sub-hero::before{
  content:'';position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(ellipse at 70% 30%,rgba(214,66,24,.12) 0%,transparent 55%),
    linear-gradient(90deg,rgba(10,10,10,.92) 0%,rgba(10,10,10,.78) 55%,rgba(10,10,10,.55) 100%);
}
.wr-sub-hero::after{content:'';position:absolute;right:8%;top:20%;width:1px;height:60%;background:linear-gradient(180deg,transparent,var(--v-ember),transparent);opacity:.3;z-index:1}
.wr-sub-hero .wr-ctn{position:relative;z-index:2}
.wr-sub-hero-content{max-width:820px}
.wr-sub-hero-crumb{font-family:var(--v-font-en);font-size:11px;color:var(--v-g400);letter-spacing:.15em;text-transform:uppercase;margin-bottom:24px;display:block}
.wr-sub-hero-crumb a{color:var(--v-g400);transition:color .3s}
.wr-sub-hero-crumb a:hover{color:var(--v-ember)}
.wr-sub-hero-crumb .sep{margin:0 10px;color:var(--v-g600)}
.wr-sub-hero-tag{display:inline-block;font-family:var(--v-font-en);font-size:11px;color:var(--v-ember);font-weight:700;letter-spacing:.2em;text-transform:uppercase;margin-bottom:24px;padding:6px 14px;border:1px solid rgba(214,66,24,.4);background:rgba(214,66,24,.06)}
.wr-sub-hero h1{color:var(--v-white);margin-bottom:20px}
.wr-sub-hero h1 em{color:var(--v-ember)}
.wr-sub-hero-sub{font-size:18px;line-height:1.7;color:var(--v-g300);max-width:640px}
.wr-sub-hero-sub strong{color:var(--v-white);font-weight:600}

/* ============================================================
   S2  产品矩阵 · 3 张卡
   ============================================================ */
.wr-matrix{background:var(--v-white);padding:100px 0;border-top:3px solid var(--v-ember)}
.wr-matrix-header{max-width:780px;margin-bottom:56px}
.wr-matrix-header h2{margin-bottom:16px;color:var(--v-black)}
.wr-matrix-header h2 em{color:var(--v-ember)}
.wr-matrix-header p{color:var(--v-g600);font-size:17px;line-height:1.7}
.wr-matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.wr-matrix-card{background:var(--v-off);border:1px solid var(--v-g200);padding:40px 32px;transition:.3s;display:flex;flex-direction:column;position:relative;overflow:hidden}
.wr-matrix-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--v-ember);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.wr-matrix-card:hover{border-color:var(--v-g400);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.06)}
.wr-matrix-card:hover::before{transform:scaleX(1)}
.wr-matrix-tag{font-family:var(--v-font-en);font-size:10px;color:var(--v-ember);font-weight:700;letter-spacing:.15em;text-transform:uppercase;margin-bottom:16px;display:block}
.wr-matrix-card h3{font-size:24px;color:var(--v-black);margin-bottom:14px;line-height:1.2}
.wr-matrix-card p{font-size:14px;color:var(--v-g600);line-height:1.7;margin-bottom:24px;flex:1}
.wr-matrix-specs{padding-top:20px;border-top:1px solid var(--v-g200);margin-bottom:20px}
.wr-matrix-spec{display:flex;justify-content:space-between;font-size:13px;padding:8px 0;color:var(--v-g700)}
.wr-matrix-spec span:first-child{color:var(--v-g500);font-family:var(--v-font-en);font-size:11px;letter-spacing:.05em;text-transform:uppercase}
.wr-matrix-spec span:last-child{font-weight:600;color:var(--v-black)}
.wr-matrix-link{font-family:var(--v-font-en);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--v-black);display:inline-flex;align-items:center;gap:8px;margin-top:auto;transition:.3s}
.wr-matrix-link svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .3s}
.wr-matrix-link:hover{color:var(--v-ember)}
.wr-matrix-link:hover svg{transform:translateX(4px)}

/* ============================================================
   S3  参数区间表 (深灰 · 工程师深度信号)
   ============================================================ */
.wr-specs{background:var(--v-dark);color:var(--v-white);padding:120px 0;position:relative;overflow:hidden}
.wr-specs::before{content:'';position:absolute;top:-160px;right:-120px;width:480px;height:480px;background:radial-gradient(circle,rgba(214,66,24,.08) 0%,transparent 65%);pointer-events:none}
.wr-specs-header{max-width:780px;margin-bottom:56px;position:relative;z-index:1}
.wr-specs-header h2{color:var(--v-white);margin-bottom:16px}
.wr-specs-header h2 em{color:var(--v-ember)}
.wr-specs-header p{color:var(--v-g400);font-size:17px;line-height:1.7}

.wr-specs-block{margin-bottom:56px;position:relative;z-index:1}
.wr-specs-block:last-child{margin-bottom:0}
.wr-specs-title{font-family:var(--v-font-en);font-size:11px;color:var(--v-ember);font-weight:700;letter-spacing:.15em;text-transform:uppercase;margin-bottom:12px;display:block}
.wr-specs-block h3{color:var(--v-white);font-size:24px;margin-bottom:24px;font-weight:800}

/* 参数表 */
.wr-specs-table{width:100%;border-collapse:collapse;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.08)}
.wr-specs-table thead{background:rgba(214,66,24,.08);border-bottom:1px solid rgba(214,66,24,.2)}
.wr-specs-table th{padding:16px 20px;font-family:var(--v-font-en);font-size:11px;font-weight:700;color:var(--v-ember);letter-spacing:.1em;text-transform:uppercase;text-align:left;border-right:1px solid rgba(255,255,255,.06)}
.wr-specs-table th:last-child{border-right:none}
.wr-specs-table tbody tr{border-bottom:1px solid rgba(255,255,255,.06);transition:background .2s}
.wr-specs-table tbody tr:hover{background:rgba(255,255,255,.03)}
.wr-specs-table tbody tr:last-child{border-bottom:none}
.wr-specs-table td{padding:16px 20px;font-size:14px;color:var(--v-g300);border-right:1px solid rgba(255,255,255,.06);vertical-align:middle}
.wr-specs-table td:last-child{border-right:none}
.wr-specs-table td:first-child{font-weight:700;color:var(--v-white);font-family:var(--v-font-en);font-size:13px;letter-spacing:.02em}
.wr-specs-table td.spec-num{font-family:var(--v-font-en);color:var(--v-white);font-weight:600;font-variant-numeric:tabular-nums}
.wr-specs-note{font-size:13px;color:var(--v-g500);margin-top:14px;line-height:1.6;padding-left:12px;border-left:2px solid rgba(255,255,255,.1)}

/* ============================================================
   S4  自主生产事实 (白)
   ============================================================ */
.wr-manufacturing{background:var(--v-white);padding:120px 0}
.wr-manufacturing-header{max-width:780px;margin-bottom:56px}
.wr-manufacturing-header h2{margin-bottom:16px;color:var(--v-black)}
.wr-manufacturing-header h2 em{color:var(--v-ember)}
.wr-manufacturing-header p{color:var(--v-g600);font-size:17px;line-height:1.7}
.wr-manufacturing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.wr-manufacturing-card{padding:36px 32px;background:var(--v-off);border:1px solid var(--v-g200);transition:.3s;position:relative;overflow:hidden}
.wr-manufacturing-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--v-ember);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.wr-manufacturing-card:hover{border-color:var(--v-g400);transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.06);background:var(--v-white)}
.wr-manufacturing-card:hover::before{transform:scaleX(1)}
.wr-mfg-num{font-family:var(--v-font-en);font-size:44px;font-weight:900;color:var(--v-ember);line-height:1;margin-bottom:16px;letter-spacing:-.03em}
.wr-manufacturing-card h4{font-size:18px;color:var(--v-black);margin-bottom:12px;font-weight:700}
.wr-manufacturing-card p{font-size:14px;color:var(--v-g600);line-height:1.7;margin:0}

/* ============================================================
   S5  典型应用 · 按行业 (深灰)
   ============================================================ */
.wr-apps{background:var(--v-dark);color:var(--v-white);padding:120px 0;position:relative;overflow:hidden}
.wr-apps::before{content:'';position:absolute;left:8%;top:10%;width:1px;height:80%;background:linear-gradient(180deg,transparent,rgba(214,66,24,.3),transparent)}
.wr-apps-header{max-width:780px;margin-bottom:56px;position:relative;z-index:1}
.wr-apps-header h2{color:var(--v-white);margin-bottom:16px}
.wr-apps-header h2 em{color:var(--v-ember)}
.wr-apps-header p{color:var(--v-g400);font-size:17px;line-height:1.7}
.wr-apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;z-index:1}
.wr-app-card{padding:32px 28px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);transition:.3s;display:flex;flex-direction:column;position:relative;overflow:hidden}
.wr-app-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--v-ember);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.wr-app-card:hover{border-color:var(--v-ember);background:rgba(255,255,255,.05);transform:translateY(-3px)}
.wr-app-card:hover::before{transform:scaleX(1)}
.wr-app-tag{display:inline-block;font-family:var(--v-font-en);font-size:10px;color:var(--v-ember);font-weight:700;letter-spacing:.15em;text-transform:uppercase;padding:5px 12px;background:rgba(214,66,24,.12);border:1px solid rgba(214,66,24,.3);margin-bottom:18px;align-self:flex-start}
.wr-app-card h4{font-size:19px;color:var(--v-white);margin-bottom:16px;font-weight:700}
.wr-app-list{margin:0}
.wr-app-list li{font-size:14px;color:var(--v-g400);line-height:1.7;padding:8px 0 8px 18px;position:relative;border-bottom:1px solid rgba(255,255,255,.05)}
.wr-app-list li:last-child{border-bottom:none}
.wr-app-list li::before{content:'';position:absolute;left:0;top:16px;width:8px;height:1px;background:var(--v-ember)}
.wr-app-list li strong{color:var(--v-white);font-weight:600}

/* ============================================================
   S6  与整套配套 (黑)
   ============================================================ */
.wr-integrated{background:var(--v-black);color:var(--v-white);padding:100px 0;border-top:1px solid rgba(255,255,255,.04)}
.wr-integrated-content{max-width:820px;margin:0 auto;text-align:center}
.wr-integrated-content h2{color:var(--v-white);margin-bottom:24px}
.wr-integrated-content h2 em{color:var(--v-ember)}
.wr-integrated-content p{color:var(--v-g400);font-size:17px;line-height:1.75;margin-bottom:36px}
.wr-integrated-content strong{color:var(--v-white);font-weight:600}
.wr-integrated-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ============================================================
   S7  提交工况 CTA (米白)
   ============================================================ */
.wr-cta-bar{background:var(--v-off);padding:100px 0;border-top:3px solid var(--v-ember);text-align:center}
.wr-cta-bar h2{color:var(--v-black);margin-bottom:20px}
.wr-cta-bar h2 em{color:var(--v-ember)}
.wr-cta-bar p{color:var(--v-g600);font-size:17px;max-width:640px;margin:0 auto 40px;line-height:1.7}
.wr-cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.wr-cta-bar .wr-btn--outline{color:var(--v-black);border-color:var(--v-black)}
.wr-cta-bar .wr-btn--outline:hover{background:var(--v-black);color:var(--v-white)}

/* FOOTER · 共用 */
.wr-footer{background:var(--v-darker);color:var(--v-g400);padding:80px 0 32px;border-top:1px solid rgba(255,255,255,.04)}
.wr-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:56px;margin-bottom:56px}
.wr-footer-brand-name{font-family:var(--v-font-en);font-size:22px;font-weight:800;color:var(--v-white);margin-bottom:12px;display:block;letter-spacing:.08em}
.wr-footer-brand-name span{color:var(--v-ember)}
.wr-footer-brand-cn{font-size:14px;color:var(--v-g400);letter-spacing:.25em;margin-bottom:20px;display:block;font-weight:600}
.wr-footer-brand p{font-size:14px;color:var(--v-g500);line-height:1.75;max-width:320px}
.wr-footer-col h4{font-family:var(--v-font-en);font-size:11px;font-weight:700;color:var(--v-white);letter-spacing:.15em;text-transform:uppercase;margin-bottom:22px}
.wr-footer-col a,.wr-footer-col p{display:block;font-size:14px;color:var(--v-g500);margin-bottom:12px;transition:color .3s;line-height:1.5}
.wr-footer-col a:hover{color:var(--v-white)}
.wr-footer-bar{border-top:1px solid rgba(255,255,255,.06);padding-top:28px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.wr-footer-copy{font-family:var(--v-font-en);font-size:12px;color:var(--v-g600)}
.wr-footer-legal{display:flex;gap:24px}
.wr-footer-legal a{font-size:12px;color:var(--v-g500);transition:color .3s}
.wr-footer-legal a:hover{color:var(--v-white)}

.wr-float-tel{position:fixed;bottom:28px;right:20px;z-index:9999;opacity:0;pointer-events:none;transform:translateY(16px);transition:opacity .35s ease,transform .35s ease}
.wr-float-tel.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.wr-float-tel a{display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:50%;background:var(--v-ember);box-shadow:0 4px 20px rgba(214,66,24,.4);transition:.25s}
.wr-float-tel a:hover{transform:scale(1.08);background:var(--v-ember-h);box-shadow:0 6px 24px rgba(214,66,24,.55)}
.wr-float-tel a svg{width:24px;height:24px;stroke:var(--v-white);fill:none;stroke-width:2.2}

.wr-reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.wr-reveal.is-visible{opacity:1;transform:translateY(0)}
.wr-reveal-d1{transition-delay:.1s}
.wr-reveal-d2{transition-delay:.2s}
.wr-reveal-d3{transition-delay:.3s}

/* RESPONSIVE */
@media(max-width:1100px){
  .wr-matrix-grid{grid-template-columns:1fr;gap:16px}
  .wr-manufacturing-grid{grid-template-columns:1fr;gap:16px}
  .wr-apps-grid{grid-template-columns:1fr 1fr}
  .wr-footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:900px){
  .wr-section,.wr-matrix,.wr-specs,.wr-manufacturing,.wr-apps,.wr-integrated,.wr-cta-bar{padding:70px 0}
  .wr-sub-hero{min-height:auto;padding:120px 0 60px}
  .wr-apps-grid{grid-template-columns:1fr}
  .wr-nav-links{display:none}
  .wr-mobile-toggle{display:block}
  .wr-nav-links.is-open{display:flex!important;flex-direction:column;position:fixed;top:64px;left:0;right:0;background:rgba(10,10,10,.98);padding:32px 24px;gap:24px;border-bottom:1px solid rgba(255,255,255,.08);align-items:flex-start}
  .wr-specs-table th,.wr-specs-table td{padding:12px 14px;font-size:12px}
}
@media(max-width:600px){
  .wr-footer-grid{grid-template-columns:1fr;gap:36px}
  .wr-footer-bar{flex-direction:column;text-align:center;gap:20px}
  .wr-cta-buttons{flex-direction:column;width:100%}
  .wr-cta-buttons .wr-btn{width:100%;justify-content:center}
  .wr-integrated-cta{flex-direction:column;width:100%}
  .wr-integrated-cta .wr-btn{width:100%;justify-content:center}
  /* 参数表移动端横向滚动 */
  .wr-specs-block{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .wr-specs-table{min-width:600px}
}