@font-face{font-family:'Inter';src:url('../fonts/inter/Inter-VariableFont_slnt,wght.ttf') format('truetype');font-weight:100 900;font-display:swap}
@font-face{font-family:'Plex Mono';src:url('../fonts/ibm-plex-mono/IBMPlexMono-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Plex Mono';src:url('../fonts/ibm-plex-mono/IBMPlexMono-Bold.woff2') format('woff2');font-weight:700;font-display:swap}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.mono{font-family:var(--font-mono)}
.section{padding:88px 0}
.section.white{background:#fff}
.section.navy{background:var(--navy);color:#fff}
.kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.kicker::before{content:'';width:26px;height:2px;background:var(--blue)}
.sec-title{font-size:clamp(26px,3.4vw,40px);font-weight:700;letter-spacing:-.02em;line-height:1.15}
.sec-title.on-dark{color:#fff}
.sec-sub{color:var(--muted);max-width:660px;margin-top:12px;font-size:15px}
.sec-sub.on-dark{color:rgba(255,255,255,.66)}
.sec-head{margin-bottom:44px}
.sec-head.split{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 26px;font-size:14px;font-weight:600;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:.18s}
.btn-primary{background:var(--blue-deep);color:#fff}
.btn-primary:hover{background:var(--navy-3);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-outline{border-color:var(--navy-3);color:var(--navy-3);background:transparent}
.btn-outline:hover{background:var(--navy-3);color:#fff}
.btn .arr{font-family:var(--font-mono);transition:.18s}
.btn:hover .arr{transform:translateX(4px)}
/* header */
.site-header{position:sticky;top:0;z-index:100;background:var(--header-bg);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;gap:36px}
.logo{display:flex;align-items:baseline;gap:8px;font-size:21px;font-weight:800;letter-spacing:-.02em}
.logo b{color:var(--logo)}
.logo span{font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.main-nav{display:flex;gap:4px;margin-left:auto}
.main-nav>li{position:relative}
.main-nav a.nav-link{display:block;padding:10px 14px;font-size:14px;font-weight:500;color:var(--ink-soft);border-radius:var(--radius)}
.main-nav a.nav-link:hover,.main-nav a.nav-link.active{color:var(--navy-3)}
.main-nav a.nav-link.active{box-shadow:inset 0 -2px 0 var(--blue)}
.has-sub:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown{position:absolute;top:100%;left:0;min-width:620px;background:var(--drop-bg);border:1px solid var(--line);border-radius:8px;box-shadow:0 24px 60px rgba(10,23,53,.16);padding:20px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s;display:grid;grid-template-columns:1fr 1fr;gap:2px 26px}
.dropdown a{display:flex;flex-direction:column;padding:8px 10px;border-radius:var(--radius)}
.dropdown a:hover{background:var(--paper)}
.dropdown a b{font-size:13.5px;color:var(--ink)}
.dropdown a b .dc{font-family:var(--font-mono);color:var(--blue-deep);margin-right:6px}
.dropdown a small{font-family:var(--font-mono);font-size:10.5px;color:var(--muted);margin-top:2px}
.header-cta{margin-left:8px;padding:10px 20px;font-size:13px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;margin-left:8px}
.burger i{width:22px;height:2px;background:var(--ink)}
.mobile-nav{display:none}
/* footer */
.site-footer{background:var(--footer-bg);color:var(--footer-ink);padding:64px 0 28px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.1fr 2fr .7fr;gap:48px}
.foot-brand p{font-size:13.5px;color:var(--muted);margin-top:12px}
.foot-series{display:grid;grid-template-columns:1fr 1fr;gap:6px 28px}
.foot-series a{display:flex;flex-direction:column;padding:6px 0;font-size:13px;border-bottom:1px dashed var(--line)}
.foot-series a b{font-family:var(--font-mono);color:var(--blue-deep);margin-right:6px}
.foot-series a small{color:var(--muted);font-size:11px}
.foot-nav h5{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.foot-nav a{display:block;font-size:13.5px;padding:5px 0;color:var(--footer-ink)}
.foot-base{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);font-family:var(--font-mono);font-size:11px;color:var(--muted)}
/* page hero (products) */
.page-hero{padding:80px 0 56px;background:var(--pagehero-bg);border-bottom:1px solid var(--line)}
.page-title{font-size:clamp(34px,4.6vw,54px);font-weight:800;letter-spacing:-.03em;line-height:1.06}
.page-sub{color:var(--muted);max-width:720px;margin-top:16px;font-size:15.5px}
/* products grid */
.p-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.p-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.p-card:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(10,23,53,.12)}
.p-idx{position:absolute;top:12px;left:14px;z-index:2;font-size:11px;color:#fff;background:rgba(10,23,53,.72);padding:3px 8px;border-radius:3px}
.p-img{position:relative;aspect-ratio:16/8.2;overflow:hidden}
.p-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.p-card:hover .p-img img{transform:scale(1.05)}
.p-code{position:absolute;right:0;bottom:0;font-family:var(--font-mono);font-size:22px;font-weight:700;color:#fff;background:var(--navy-3);padding:6px 14px}
.p-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.p-phrase{font-size:19px;font-weight:800;letter-spacing:-.01em}
.p-phrase .tbd{font-family:var(--font-mono);font-size:10px;font-style:normal;color:#B45309;background:#FEF3C7;padding:2px 7px;border-radius:3px;vertical-align:middle;margin-left:8px}
.p-body h3{font-size:13px;font-weight:600;color:var(--muted)}
.p-story{font-size:12.5px;color:var(--muted)}
.p-specs{margin-top:4px;border-top:1px solid var(--line)}
.p-specs li{display:flex;justify-content:space-between;gap:16px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:12.5px}
.p-specs span{color:var(--muted)}
.p-specs b{font-family:var(--font-mono);font-size:12px;text-align:right}
.p-link{margin-top:auto;padding-top:10px;font-size:13px;font-weight:700;color:var(--blue-deep)}
/* series hero */
.series-hero{background:var(--navy);color:#fff;padding:84px 0}
.series-hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.series-code{font-size:clamp(72px,10vw,128px);font-weight:700;line-height:.9;color:var(--blue);letter-spacing:-.02em}
.series-phrase{font-size:clamp(34px,4.4vw,52px);font-weight:800;letter-spacing:-.02em;margin-top:6px}
.series-zh{font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.6);margin-top:10px}
.series-blurb{margin-top:18px;font-size:15px;color:rgba(255,255,255,.78);max-width:520px}
.series-media img{border-radius:8px;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.hero-ctas{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
/* platforms */
.plat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plat-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px}
.plat-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px}
.plat-code{font-size:22px;font-weight:700;color:var(--navy-3)}
.plat-pos{font-size:12.5px;color:var(--muted)}
.plat-card p{font-size:13px;color:var(--ink-soft)}
.plat-note{font-size:12px;color:var(--muted)!important;margin-top:4px}
.plat-pitches{margin-top:12px;font-family:var(--font-mono);font-size:11.5px;color:var(--blue-deep);border-top:1px dashed var(--line);padding-top:10px}
/* sku table */
.sku-wrap{border:1px solid var(--line);border-radius:8px;overflow:auto;max-height:520px;background:#fff}
.sku-table{width:100%;border-collapse:collapse;font-size:12.5px}
.sku-table th{position:sticky;top:0;background:var(--navy);color:#fff;text-align:left;padding:10px 14px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em}
.sku-table td{padding:8px 14px;border-bottom:1px solid var(--line);color:var(--ink-soft)}
.sku-table tr:nth-child(even) td{background:var(--paper)}
/* feature grid */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat{border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:20px}
.feat b{display:block;font-size:17px;margin-bottom:6px}
.feat span{font-size:12.5px;color:rgba(255,255,255,.62)}
.tbd-note{margin-top:26px;font-size:13px;color:rgba(255,255,255,.66)}
.tbd-note b{color:var(--blue)}
/* responsive */
@media(max-width:1024px){
  .p-grid{grid-template-columns:1fr}
  .plat-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr 1fr}
  .series-hero-inner{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr}
  .dropdown{min-width:0;width:88vw;grid-template-columns:1fr}
}
@media(max-width:860px){
  .main-nav,.header-cta{display:none}
  .burger{display:flex}
  .mobile-nav{position:fixed;inset:72px 0 0 0;background:var(--drop-bg);z-index:99;padding:20px 28px;flex-direction:column;overflow:auto;display:none}
  .mobile-nav.open{display:flex}
  .mobile-nav a{padding:12px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .mobile-nav a.sub{padding-left:20px;font-size:13.5px;color:var(--muted)}
  .section{padding:60px 0}
}

:root{
  --paper:#F6F8FB;--white:#fff;--ink:#0E1626;--ink-soft:#33415C;--muted:#5B6B84;
  --navy:#0A1735;--navy-2:#10265E;--navy-3:#14328C;--blue:#1E9FE0;--blue-deep:#0066FF;
  --line:#E2E8F1;--radius:4px;--maxw:1240px;
  --header-bg:rgba(255,255,255,.96);--drop-bg:#fff;--logo:#14328C;
  --footer-bg:#0A1735;--footer-ink:#E8EDF7;--pagehero-bg:#fff;
  --font-body:'Inter',-apple-system,'Segoe UI','Microsoft YaHei',sans-serif;
  --font-mono:'Plex Mono','Cascadia Mono',Consolas,monospace;
}
/* ===== 分栏符强化 ===== */
.section{border-top:1px solid var(--line)}
.section.navy{border-top:3px solid var(--blue-deep)}
.sec-no{font-size:13px;font-weight:700;color:var(--blue-deep);background:rgba(0,102,255,.09);padding:4px 10px;border-radius:3px;margin-right:4px}
.section.navy .sec-no{color:#fff;background:rgba(255,255,255,.14)}
.kicker{letter-spacing:.2em}
.sec-head{padding-bottom:26px;border-bottom:2px solid var(--line);margin-bottom:48px}
.section.navy .sec-head{border-bottom-color:rgba(255,255,255,.18)}
/* ===== mega menu ===== */
.header-inner{position:relative}
.main-nav>li.has-sub{position:static}
.mega{position:absolute;left:0;right:0;top:72px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;box-shadow:0 34px 80px rgba(10,23,53,.18);padding:26px 30px 18px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s;z-index:120}
.has-sub:hover .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.mm-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.16s}
.mm-card:hover{border-color:var(--navy-3);transform:translateY(-2px);box-shadow:0 10px 26px rgba(10,23,53,.1)}
.mm-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mm-txt{padding:10px 12px 12px;display:flex;flex-direction:column;gap:2px}
.mm-txt b{font-size:13px}
.mm-txt b .dc{font-family:var(--font-mono);color:var(--blue-deep);margin-right:5px}
.mm-txt small{font-size:10.5px;color:var(--muted)}
.mm-txt .mm-spec{font-family:var(--font-mono);font-size:9.5px;color:var(--muted)}
.mega-all{display:flex;justify-content:center;padding:14px 0 4px;font-size:13.5px;font-weight:700;color:var(--blue-deep)}
/* ===== footer ===== */
.site-footer .foot-brand .logo b{color:#fff}
.foot-series a{border-color:rgba(255,255,255,.14)}
.foot-base{border-color:rgba(255,255,255,.14)}
/* ===== hero ===== */
.hero{background:var(--navy);color:#fff;padding:88px 0 76px}
.hero-inner{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(36px,4.8vw,58px);font-weight:800;letter-spacing:-.03em;line-height:1.06}
.hero h1 .accent{color:var(--blue)}
.hero h1 .thin{font-weight:300;opacity:.88}
.hero-tag{margin-top:22px;font-size:15.5px;color:rgba(255,255,255,.78);max-width:540px}
.hero-proof{display:flex;gap:34px;margin-top:38px;flex-wrap:wrap}
.hero-proof b{display:block;font-family:var(--font-mono);font-size:19px}
.hero-proof small{font-size:11px;color:rgba(255,255,255,.55)}
.hero-media{position:relative}
.hero-media .frame{border-radius:8px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.45)}
.hero-media video{width:100%;display:block}
.spec-float{position:absolute;background:rgba(10,23,53,.86);border:1px solid rgba(255,255,255,.16);border-radius:6px;padding:10px 14px;backdrop-filter:blur(6px)}
.spec-float .k{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.spec-float .v{font-weight:700;font-size:14px;margin-top:2px}
.sf-1{left:-18px;top:22px}
.sf-2{right:-14px;bottom:26px}
/* ===== WWD 三柱 ===== */
.wwd{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.wwd-card{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--blue-deep);border-radius:6px;padding:26px}
.wwd-tag{font-size:12px;font-weight:700;color:var(--navy-3);margin-bottom:12px;letter-spacing:.06em}
.wwd-card p{font-size:14px;color:var(--ink-soft)}
/* ===== 产品入口卡 ===== */
.pc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.pc{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.pc:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(10,23,53,.12);border-color:var(--navy-3)}
.pc-img{position:relative;aspect-ratio:16/10;overflow:hidden}
.pc-img img{width:100%;height:100%;object-fit:cover;transition:.35s}
.pc:hover .pc-img img{transform:scale(1.06)}
.pc-code{position:absolute;right:0;bottom:0;font-size:18px;font-weight:700;color:#fff;background:var(--navy-3);padding:4px 12px}
.pc-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:3px;flex:1}
.pc-body b{font-size:14.5px}
.pc-body b .tbd{font-family:var(--font-mono);font-size:9px;font-style:normal;color:#B45309;background:#FEF3C7;padding:2px 6px;border-radius:3px;margin-left:6px;vertical-align:middle}
.pc-body small{font-size:11px;color:var(--muted)}
.pc-spec{margin-top:auto;padding-top:8px;font-size:10px;color:var(--blue-deep)}
/* ===== 案例 ===== */
.cc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cc{position:relative;border-radius:8px;overflow:hidden}
.cc img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:.35s}
.cc:hover img{transform:scale(1.06)}
.cc-tag{position:absolute;left:0;right:0;bottom:0;padding:12px 14px;background:linear-gradient(transparent,rgba(10,23,53,.92))}
.cc-tag b{display:block;font-size:13.5px;color:#fff}
.cc-tag span{font-family:var(--font-mono);font-size:10.5px;color:rgba(255,255,255,.72)}
/* ===== Why 六条 ===== */
.w6-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.w6{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;border-top:3px solid var(--navy-3)}
.w6-no{font-size:12px;color:var(--blue-deep);margin-bottom:12px}
.w6 h3{font-size:16px;margin-bottom:8px}
.w6 p{font-size:13px;color:var(--muted)}
/* ===== Workflow ===== */
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:fl}
.flow li{position:relative;padding:20px 16px 20px 0;font-size:13px}
.flow li::after{content:'→';position:absolute;right:10px;top:20px;color:var(--blue);font-family:var(--font-mono)}
.flow li:last-child::after{content:''}
.fl-no{display:block;font-size:12px;color:var(--blue-deep);margin-bottom:8px}
.flow b{font-size:13.5px;line-height:1.35;display:block}
/* ===== 伙伴带 ===== */
.pt-band{margin-top:52px;border:1px dashed var(--line);border-radius:8px;padding:24px 28px;background:#fff}
.pt-label{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:14px}
.pt-row{display:flex;flex-wrap:wrap;gap:12px}
.pt{border:1px solid var(--line);border-radius:99px;padding:8px 18px;font-size:13px;font-weight:600;color:var(--ink-soft);background:var(--paper)}
/* ===== Insights ===== */
.art-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.art{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;display:flex;flex-direction:column;transition:.16s}
.art:hover{border-color:var(--navy-3);transform:translateY(-3px);box-shadow:0 14px 34px rgba(10,23,53,.1)}
.art-tag{font-size:10px;color:var(--blue-deep);letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}
.art h3{font-size:15.5px;line-height:1.35;margin-bottom:10px}
.art p{font-size:12.5px;color:var(--muted);flex:1}
.art-link{margin-top:16px;font-size:13px;font-weight:700;color:var(--blue-deep)}
.article{max-width:760px}
.article .lead{font-size:17px;color:var(--ink-soft);border-left:4px solid var(--blue-deep);padding-left:18px;margin-bottom:26px}
.article h2{font-size:21px;margin:30px 0 12px}
.article p{font-size:14.5px;color:var(--ink-soft);margin-bottom:14px}
.article ul{margin:0 0 14px 20px}
.article li{font-size:14px;color:var(--ink-soft);list-style:disc;margin-bottom:8px}
.art-cta{margin-top:34px}
/* ===== CTA ===== */
.cta-band{background:var(--blue-deep);color:#fff;padding:64px 0;border-top:1px solid var(--line)}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.12}
.cta-inner p{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.85)}
.cta-inner .btn-primary{background:#fff;color:var(--blue-deep);flex-shrink:0}
/* ===== series 页补充 ===== */
.series-nav{display:flex;justify-content:space-between;align-items:center;gap:16px;max-width:var(--maxw);margin:0 auto;padding:22px 32px;border-top:1px solid var(--line);background:#fff}
.series-nav a{font-size:13.5px;font-weight:700;color:var(--navy-3)}
.series-nav .sv-all{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.tbd-band{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tbd-item{background:var(--paper);border:1px dashed var(--navy-3);border-radius:8px;padding:22px}
.tbd-item b{display:block;font-family:var(--font-mono);font-size:13px;color:var(--navy-3);margin-bottom:8px}
.tbd-item span{font-size:13px;color:var(--ink-soft)}
/* ===== scenes（solutions） ===== */
.scene{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;margin-bottom:64px}
.scene.flip{grid-template-columns:.92fr 1.08fr}
.scene.flip .scene-img{order:2}
.scene-img{position:relative;border-radius:10px;overflow:hidden}
.scene-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:.45s}
.scene:hover .scene-img img{transform:scale(1.04)}
.scene-no{position:absolute;top:14px;left:16px;color:#fff;background:rgba(10,23,53,.72);padding:4px 10px;border-radius:4px;font-size:12px}
.scene-txt h3{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em}
.scene-zh{font-family:var(--font-mono);font-size:12px;color:var(--blue-deep);margin:6px 0 12px;letter-spacing:.1em}
.scene-txt p{font-size:14.5px;color:var(--muted);max-width:480px}
.chips{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:#fff;border-radius:99px;padding:8px 16px;font-size:13px;transition:.16s}
.chip b{font-family:var(--font-mono);color:var(--blue-deep);margin-right:6px}
.chip:hover{border-color:var(--blue-deep);transform:translateY(-2px)}
/* ===== work / about / contact ===== */
.wc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.wc{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.wc img{width:100%;aspect-ratio:4/3;object-fit:cover}
.wc-body{padding:14px 16px;display:flex;flex-direction:column;gap:2px}
.wc-body b{font-size:14px}
.wc-body span{font-size:10.5px;color:var(--muted)}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.about-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px}
.about-card h3{font-size:15px;margin-bottom:10px;color:var(--navy-3)}
.about-card p{font-size:13px;color:var(--ink-soft)}
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}
.contact-cards{display:flex;flex-direction:column;gap:14px}
.ct-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:20px}
.ct-card h3{font-size:14px;color:var(--navy-3);margin-bottom:6px}
.ct-card p{font-size:13.5px;color:var(--ink-soft)}
.form-card textarea{padding:11px 12px;border:1px solid var(--line);border-radius:var(--radius);font-size:14px;font-family:inherit;resize:vertical}
/* ===== 表单（复用 V13 风格） ===== */
.form-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:12.5px;font-weight:600;color:var(--ink-soft)}
.form-field label i{color:#DC2626;font-style:normal}
.form-field input,.form-field select{padding:11px 12px;border:1px solid var(--line);border-radius:var(--radius);font-size:14px;font-family:inherit;background:#fff}
.form-field input:focus,.form-field select:focus,.form-card textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
/* ===== responsive ===== */
@media(max-width:1024px){
  .mega-grid{grid-template-columns:repeat(3,1fr)}
  .pc-grid{grid-template-columns:repeat(3,1fr)}
  .cc-grid,.wc-grid,.art-grid{grid-template-columns:1fr 1fr}
  .w6-grid,.wwd,.about-grid,.tbd-band{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .flow li::after{content:''}
  .contact-grid{grid-template-columns:1fr}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .scene,.scene.flip{grid-template-columns:1fr;gap:20px}
  .scene.flip .scene-img{order:0}
}
@media(max-width:640px){
  .mega-grid,.pc-grid,.w6-grid,.wwd,.about-grid,.tbd-band{grid-template-columns:1fr}
  .cc-grid,.wc-grid,.art-grid{grid-template-columns:1fr}
}

/* ===== 手机端联系页（P0-5：390/375/430 无横向滚动、表单单列、长文本换行） ===== */
@media(max-width:640px){
  .contact-grid{grid-template-columns:1fr;gap:18px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:18px 16px;max-width:100%;box-sizing:border-box}
  .form-field{min-width:0}
  .form-field input,.form-field select,.form-card textarea{width:100%;box-sizing:border-box;font-size:16px}
  .form-field .btn{width:100%}
  .ct-card{padding:16px;min-width:0}
  .ct-card p{overflow-wrap:anywhere;word-break:break-word}
  .contact-cards{min-width:0}
}
@media(max-width:480px){
  .form-card{padding:14px 12px}
  .section .container{padding-left:14px;padding-right:14px}
}

/* ===== 全屏视频 Hero ===== */
.hero-full{position:relative;min-height:92vh;padding:0;overflow:hidden;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,23,53,.92) 25%,rgba(10,23,53,.45) 60%,rgba(10,23,53,.25))}
.hero-content{position:relative;z-index:2;padding:120px 32px 150px}
.hero-full h1,.hero-full .hero-title{font-size:clamp(40px,5.8vw,76px);line-height:1.02;font-weight:800;letter-spacing:-.03em;margin:0}
.hero-full .hero-title{margin:0 0 .2em}
.hero-full .hero-tag{font-size:16px;max-width:600px}
.hl{display:inline-block}
/* Hero 逐行入场 */
.hr{opacity:0;animation:hrin .9s cubic-bezier(.16,1,.3,1) forwards}
.hr-1{animation-delay:.05s}.hr-2{animation-delay:.15s}.hr-3{animation-delay:.28s}.hr-4{animation-delay:.42s}.hr-5{animation-delay:.55s}
@keyframes hrin{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:none}}
/* 滚动提示 */
.scroll-hint{position:absolute;right:34px;bottom:36px;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;font-size:10px;letter-spacing:.3em;color:rgba(255,255,255,.65)}
.sh-line{width:1px;height:44px;background:rgba(255,255,255,.7);transform-origin:top;animation:shl 1.8s ease-in-out infinite}
@keyframes shl{0%{transform:scaleY(0)}45%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
/* ===== SEC01 Who：ROE 式品牌宣言 ===== */
.who{padding:108px 0}
.who-big{font-size:clamp(34px,4.8vw,62px);font-weight:800;letter-spacing:-.025em;line-height:1.12;margin:20px 0 22px;max-width:1020px}
.who-big .accent{color:var(--blue-deep)}
.who-sub{font-size:16px;color:var(--muted);max-width:560px;line-height:1.65}
.who-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:52px;margin-top:76px}
.who-col{border-top:2px solid var(--ink);padding-top:22px}
.who-col p{font-size:14.5px;color:var(--ink-soft);line-height:1.7}
/* ===== SEC02 Why Us：大数字卡 ===== */
.w6b-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.w6b{border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:26px 24px 24px;transition:.22s;background:rgba(255,255,255,.03)}
.w6b:hover{background:var(--blue-deep);border-color:var(--blue-deep);transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.35)}
.w6b-no{font-size:44px;font-weight:500;color:rgba(255,255,255,.28);line-height:1;margin-bottom:16px;transition:.22s}
.w6b:hover .w6b-no{color:rgba(255,255,255,.85)}
.w6b h3{font-size:16.5px;color:#fff;margin-bottom:10px}
.w6b p{font-size:13px;color:rgba(255,255,255,.68)}
.w6b:hover p{color:rgba(255,255,255,.92)}
/* ===== SEC03 Workflow：大气数字横排 ===== */
.flx{display:grid;grid-template-columns:repeat(6,1fr);gap:30px}
.flx-step{border-top:2px solid var(--ink);padding-top:24px;transition:border-color .25s}
.flx-step:hover{border-top-color:var(--blue-deep)}
.flx-no{display:block;font-size:40px;font-weight:500;color:#C7D2E4;line-height:1;margin-bottom:14px;transition:color .25s}
.flx-step:hover .flx-no{color:var(--blue-deep)}
.flx-step b{font-size:15px;line-height:1.45;display:block}
/* ===== 滚动 reveal ===== */
.rv{opacity:0;transform:translateY(28px);transition:opacity .75s cubic-bezier(.16,1,.3,1),transform .75s cubic-bezier(.16,1,.3,1)}
.rv.in{opacity:1;transform:none}
.who-cols .rv:nth-child(2){transition-delay:.12s}
.who-cols .rv:nth-child(3){transition-delay:.24s}
.w6b-grid .rv:nth-child(2){transition-delay:.08s}
.w6b-grid .rv:nth-child(3){transition-delay:.16s}
.w6b-grid .rv:nth-child(4){transition-delay:.24s}
.w6b-grid .rv:nth-child(5){transition-delay:.32s}
.w6b-grid .rv:nth-child(6){transition-delay:.4s}
.flx .rv:nth-child(2){transition-delay:.07s}
.flx .rv:nth-child(3){transition-delay:.14s}
.flx .rv:nth-child(4){transition-delay:.21s}
.flx .rv:nth-child(5){transition-delay:.28s}
.flx .rv:nth-child(6){transition-delay:.35s}
@media(prefers-reduced-motion:reduce){
  .rv,.hr{opacity:1 !important;transform:none !important;animation:none !important;transition:none !important}
  .sh-line{animation:none !important}
}
/* ===== 动态化 responsive ===== */
@media(max-width:1024px){
  .who{padding:80px 0}
  .who-cols{grid-template-columns:1fr;gap:34px;margin-top:52px}
  .w6b-grid{grid-template-columns:1fr 1fr}
  .flx{grid-template-columns:1fr 1fr;gap:26px}
  .scroll-hint{display:none}
  .hero-full{min-height:78vh}
}
@media(max-width:640px){
  .w6b-grid,.flx{grid-template-columns:1fr}
  .hero-content{padding:100px 24px 150px}
}
/* ===== Hero 轮播（方案A：视频首帧 + 活动海报帧） ===== */
.hs{position:absolute;inset:0;display:flex;align-items:center;opacity:0;transition:opacity .6s ease;pointer-events:none}
.hs.on{opacity:1;pointer-events:auto}
.hs .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-dots{position:absolute;left:50%;transform:translateX(-50%);bottom:30px;z-index:3;display:flex;gap:12px}
.hd{width:11px;height:11px;border-radius:50%;border:0;padding:0;background:rgba(255,255,255,.38);cursor:pointer;transition:.25s}
.hd:hover{background:rgba(255,255,255,.72);transform:scale(1.15)}
.hd.on{background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.18)}
.hs-poster h1 .hl.thin{font-weight:300;opacity:.88}
@media(max-width:1024px){
  .hero-dots{bottom:22px}
}

/* ===== V13.1 SEC01 宣言版式升级 ===== */
.who{padding:120px 0}
.who-top{position:relative}
.who-big{font-family:'Archivo','Inter',-apple-system,sans-serif;font-size:clamp(38px,5.4vw,74px);font-weight:700;letter-spacing:-.03em;line-height:1.05;margin:22px 0 0;max-width:none}
.wb-l2{color:transparent;-webkit-text-stroke:1.5px #0E1626}
@supports not (-webkit-text-stroke:1px #000){.wb-l2{color:#B9C4D6}}
.wb-l3{color:var(--blue-deep)}
.who-sub{margin:0;font-size:15px;color:var(--muted);max-width:300px;line-height:1.7}
@media(min-width:1025px){.who-sub{position:absolute;right:0;bottom:10px}}
.who-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:64px;margin-top:92px}
.who-col{border-top:1px solid var(--ink);padding-top:26px}
.who-col .wwd-tag{font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.04em;margin-bottom:14px}
.who-col p{font-size:15px;line-height:1.8;color:var(--muted)}
@media(max-width:1024px){
  .who{padding:80px 0}
  .who-sub{margin-top:26px}
  .who-cols{grid-template-columns:1fr;gap:34px;margin-top:52px}
}

/* ===== V3 导航：Products 8 组展厅 ===== */
.mega-groups{display:grid;grid-template-columns:1.02fr 1.02fr .92fr 1.06fr;gap:22px}
.mg-col{display:flex;flex-direction:column}
.mm-gt{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--navy);border-bottom:2px solid var(--navy);padding-bottom:8px;margin:2px 0 10px}
.mg-col .mm-gt:not(:first-child){margin-top:18px}
.mg-col .mm-card{margin-bottom:8px}
/* ===== slim 下拉 ===== */
.main-nav>li.has-sub.slim{position:relative}
.mega-slim{left:0;right:auto;top:72px;min-width:310px;padding:12px;border-radius:0 0 10px 10px}
.ms-item{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:10px 12px;border-radius:6px;font-size:13.5px;font-weight:600;color:var(--ink)}
.ms-item small{font-family:var(--font-mono);font-size:10px;color:var(--muted);font-weight:400;white-space:nowrap}
.ms-item:hover{background:var(--paper);color:var(--blue-deep)}
.mega-slim .mega-all{padding:10px 12px 2px;justify-content:flex-start}
/* ===== 手机端组标 ===== */
.mn-gt{display:block;font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:14px 0 4px}
/* ===== mega 紧凑化（CHEN 17:22：太大、底行被裁） ===== */
.mega{max-width:1200px;margin:0 auto;padding:20px 24px 8px;max-height:calc(100vh - 78px);overflow-y:auto}
.mg-col .mm-card{flex-direction:row;align-items:center;gap:10px;padding:7px;margin-bottom:4px}
.mg-col .mm-card img{width:76px;height:56px;aspect-ratio:auto;border-radius:4px;flex-shrink:0}
.mg-col .mm-txt{padding:0;gap:1px}
.mg-col .mm-txt b{font-size:12.5px}
.mg-col .mm-txt small{font-size:10px}
.mg-col .mm-txt .mm-spec{font-size:9px}
.mm-gt{padding-bottom:6px;margin:0 0 8px}
.mg-col .mm-gt:not(:first-child){margin-top:12px}
.mega-all{padding:10px 0 4px}
@media(max-width:1024px){.mega-groups{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.mega-groups{grid-template-columns:1fr}}

/* ===== V3 定稿：Projects 三维度下拉 ===== */
.mega-groups.pj{grid-template-columns:.85fr 1.7fr .85fr;gap:26px}
.pj-2col{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
/* ===== Products 底部通栏 + Get a Recommendation ===== */
.mega-foot{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);margin-top:10px;flex-wrap:wrap}
.mega-foot .mega-all{padding:12px 0 6px;justify-content:flex-start}
.mega-rec{font-size:12px;color:var(--muted)}
.mega-rec a{color:var(--blue-deep);font-weight:700;font-size:12.5px;white-space:nowrap}
/* ===== 卡片 hover 箭头（V3 卡片要素） ===== */
.mg-col .mm-card{position:relative}
.mg-col .mm-card::after{content:'→';position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--blue-deep);font-weight:700;opacity:0;transition:.18s}
.mg-col .mm-card:hover::after{opacity:1}
@media(max-width:1024px){.mega-groups.pj{grid-template-columns:1fr}.pj-2col{grid-template-columns:1fr}}

/* ===== 手机端折叠导航（GPT 项1） ===== */
.mn-group{border-bottom:1px solid var(--line)}
.mn-top{display:flex;justify-content:space-between;align-items:center;width:100%;padding:14px 0;background:none;border:0;font-family:inherit;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;text-align:left}
.mn-caret{width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:.2s;flex-shrink:0;margin-right:4px}
.mn-group.open .mn-caret{transform:rotate(225deg)}
.mn-sub{display:none;padding:0 0 12px}
.mn-group.open .mn-sub{display:block}
.mobile-nav .mn-sub a{display:block;border-bottom:0;padding:9px 0;font-size:14px}
.mobile-nav .mn-all{font-size:13px;font-weight:700;color:var(--blue-deep)}
.mobile-nav .mn-gt{font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:12px 0 3px;text-decoration:none;border-bottom:0}
.mobile-nav a.mn-gt:hover{color:var(--blue-deep)}
.mobile-nav .mn-cta{margin-top:16px;text-align:center;background:var(--navy);color:#fff;padding:13px 0;border-radius:6px;font-weight:700;border-bottom:0}
/* ===== 桌面下拉组标可点（→品类页） ===== */
a.mm-gt{display:flex;justify-content:space-between;align-items:center;text-decoration:none;cursor:pointer}
a.mm-gt:hover{color:var(--blue-deep)}
.gt-arr{opacity:0;transition:.15s;font-weight:800}
a.mm-gt:hover .gt-arr{opacity:1}
/* ===== GPT 项2：筛选条 / chips / 项目详情 ===== */
.pf-bar{display:flex;flex-direction:column;gap:14px;padding:6px 0 26px}
.pf-group{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px}
.pf-label{font-size:10.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-right:8px;min-width:130px}
.pf-btn{padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-family:inherit;font-size:12.5px;font-weight:600;color:var(--ink);cursor:pointer;transition:.15s}
.pf-btn:hover{border-color:var(--blue-deep);color:var(--blue-deep)}
.pf-btn.on{background:var(--navy);border-color:var(--navy);color:#fff}
.pj-empty{padding:44px 20px;text-align:center;color:var(--muted);border:1.5px dashed var(--line);border-radius:8px;font-size:13.5px}
a.wc{text-decoration:none;color:inherit}
.wc-more{display:block;margin-top:6px;font-size:12px;font-weight:700;color:var(--blue-deep)}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px}
.cat-chip{display:inline-block;padding:10px 16px;border:1px solid var(--line);border-radius:999px;font-size:13px;font-weight:600;color:var(--ink);text-decoration:none;transition:.15s}
.cat-chip:hover{border-color:var(--blue-deep);color:var(--blue-deep)}
.cat-more-row{margin-top:22px}
.sol-more{display:inline-block;margin-top:14px;font-weight:700;font-size:13px;color:var(--blue-deep);text-decoration:none}
.sol-more:hover{text-decoration:underline}
.pj-note{margin-top:22px;font-size:13px;color:var(--muted);border-left:3px solid var(--line);padding-left:14px}
.pj-specs{margin-top:22px;max-width:560px}
.pj-ph{border:1.5px dashed var(--line);border-radius:8px;padding:24px;background:var(--paper);color:var(--muted);font-size:13.5px}
.pj-ph b{display:block;color:var(--ink);margin-bottom:8px;font-size:14px}
.pj-ph p{margin:0}

/* ===== 面包屑 ===== */
.crumbs{font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.55);margin-bottom:18px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:rgba(255,255,255,.72);text-decoration:none}
.crumbs a:hover{color:#fff}
.crumb-sep{opacity:.4}
.crumb-now{color:#fff;font-weight:600}
.wc-ref{display:inline-block;margin-top:6px;padding:2px 8px;border:1px solid rgba(255,255,255,.35);border-radius:3px;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.75)}
.pj-note{padding:12px 16px;background:#f4f5f7;border-left:3px solid #8a94a6;font-size:13px;color:#4a5568;margin:18px 0}

/* Article body tables & FAQ (SEO expansion) */
.container.article table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;line-height:1.5}
.container.article th,.container.article td{padding:12px 16px;text-align:left;vertical-align:top;border:1px solid #e3e3e3}
.container.article thead th{background:#0b1f3a;color:#fff;font-weight:600;letter-spacing:.02em;border-color:#0b1f3a}
.container.article tbody tr:nth-child(even){background:#f7f8fa}
.container.article tbody tr:hover{background:#eef3f9}
.container.article h3{margin-top:22px}
@media (max-width:768px){.container.article table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}}

/* ===== P2-1 修复：靠右 slim 下拉右对齐，防止桌面端横向溢出 ===== */
.main-nav>li.has-sub.slim.right .mega-slim{right:0;left:auto}

/* ===== P1-1 修复：登录状态 WordPress admin bar 偏移 =====
   未登录：站点头部从视口 0 开始，手机菜单 inset:72px 正常。
   登录后：admin bar 桌面 32px / 782px 以下 46px，把 sticky 头部下移，
   而 .mobile-nav 是 fixed（不受 html margin 影响），必须从 admin bar + 72px 之后开始。
   同时让 sticky 站点头部在滚动时停在 admin bar 下方，避免互相遮挡。 */
@media(min-width:783px){
  body.admin-bar .site-header{top:32px}
}
@media(max-width:782px){
  body.admin-bar .site-header{top:46px}
}
@media(min-width:783px) and (max-width:860px){
  body.admin-bar .mobile-nav{inset:104px 0 0 0} /* 32px admin bar + 72px header */
}
@media(max-width:782px){
  body.admin-bar .mobile-nav{inset:118px 0 0 0} /* 46px admin bar + 72px header */
}