:root {
  --navy-950: #071a2d;
  --navy-900: #0a2944;
  --navy-800: #123b5d;
  --ink: #102d49;
  --muted: #60758a;
  --line: #d9e2ea;
  --surface: #f5f8fb;
  --orange: #f36b21;
  --orange-dark: #d95512;
  --white: #fff;
  --shadow: 0 18px 46px rgba(7, 26, 45, .1);
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.home-v3 { margin: 0; color: var(--ink); background: var(--white); font-family: Arial, "Microsoft YaHei", sans-serif; line-height: 1.6; }
body.home-v3 a { color: inherit; text-decoration: none; }
body.home-v3 button, body.home-v3 input, body.home-v3 select, body.home-v3 textarea { font: inherit; }
.home-v3 .skip-link { position: fixed; left: 1rem; top: -3rem; z-index: 100; padding: .7rem 1rem; background: var(--orange); color: #fff; }
.home-v3 .skip-link:focus { top: 1rem; }
.home-v3 .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.home-v3 .eyebrow { margin: 0 0 .65rem; color: var(--orange); font-size: .76rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.home-v3 h1, .home-v3 h2, .home-v3 h3, .home-v3 p { margin-top: 0; }
.home-v3 h1, .home-v3 h2, .home-v3 h3 { line-height: 1.08; letter-spacing: -.02em; }
.home-v3 h2 { margin-bottom: .8rem; font-size: clamp(2rem, 4vw, 3.25rem); }
.home-v3 h3 { margin-bottom: .45rem; font-size: 1.25rem; }
.home-v3 .section-intro { max-width: 700px; margin-bottom: 2.2rem; }
.home-v3 .section-intro p:last-child { color: var(--muted); margin-bottom: 0; }
.home-v3 .site-header { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.home-v3 .nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 2rem; }
.home-v3 .brand { display: inline-flex; align-items: center; gap: .8rem; min-width: 210px; }
.home-v3 .brand img { width: 150px; height: auto; display: block; }
.home-v3 .brand small { display: block; max-width: 110px; color: var(--muted); font-size: .68rem; line-height: 1.25; }
.home-v3 .primary-nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); font-size: .82rem; font-weight: 700; }
.home-v3 .primary-nav a:hover, .home-v3 .primary-nav a:focus-visible { color: var(--orange); }
.home-v3 .header-actions { display: flex; align-items: center; gap: .7rem; }
.home-v3 .language-switcher { min-height: 38px; padding: 0 .7rem; border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--ink); }
.home-v3 .mobile-toggle { display: none; border: 1px solid var(--line); border-radius: 8px; padding: .55rem .75rem; background: #fff; color: var(--ink); }
.home-v3 .btn { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: .65rem 1.1rem; border: 1px solid transparent; border-radius: 7px; font-size: .78rem; font-weight: 800; letter-spacing: .02em; cursor: pointer; transition: .2s ease; }
.home-v3 .btn.primary { background: var(--orange); color: #fff; }
.home-v3 .btn.primary:hover { background: var(--orange-dark); transform: translateY(-1px); }
.home-v3 .btn.outline { border-color: var(--orange); color: var(--orange-dark); background: #fff; }
.home-v3 .btn.outline:hover { background: #fff5ef; }
.home-v3 .btn.dark { background: var(--navy-900); color: #fff; }
.home-v3 .hero { background: linear-gradient(110deg, #f8fafc 0%, #fff 55%, #edf3f7 100%); padding: clamp(3.5rem, 7vw, 7rem) 0 4rem; }
.home-v3 .hero-grid { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: clamp(2rem, 5vw, 5rem); }
.home-v3 .hero h1 { max-width: 630px; margin-bottom: 1.2rem; font-size: clamp(2.7rem, 5vw, 5rem); text-transform: uppercase; }
.home-v3 .hero-copy > p:not(.eyebrow) { max-width: 590px; color: var(--muted); font-size: 1.08rem; }
.home-v3 .hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.8rem 0 2rem; }
.home-v3 .hero-visual { position: relative; min-height: 420px; overflow: hidden; border-radius: 16px; background: #e7edf2; box-shadow: var(--shadow); }
.home-v3 .hero-visual::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,41,68,.12), transparent 50%); pointer-events: none; }
.home-v3 .hero-visual-main { position: absolute; inset: 8% 10% 7%; width: 80%; height: 85%; object-fit: contain; mix-blend-mode: multiply; }
.home-v3 .hero-thumb { position: absolute; width: 26%; height: 27%; object-fit: contain; border: 8px solid #fff; box-shadow: 0 12px 26px rgba(7,26,45,.16); background: #fff; }
.home-v3 .hero-thumb-a { top: 8%; left: 6%; }
.home-v3 .hero-thumb-b { right: 7%; bottom: 8%; }
.home-v3 .hero-caption { position: absolute; right: 1rem; bottom: 1rem; padding: .35rem .6rem; background: rgba(7,26,45,.82); color: #fff; font-size: .68rem; font-weight: 800; letter-spacing: .08em; }
.home-v3 .trust-strip { background: var(--navy-900); color: #fff; }
.home-v3 .trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.home-v3 .trust-item { padding: 1.1rem 1rem; border-right: 1px solid rgba(255,255,255,.2); text-align: center; font-size: .8rem; font-weight: 800; }
.home-v3 .trust-item:last-child { border-right: 0; }
.home-v3 .section { padding: clamp(4rem, 7vw, 7rem) 0; }
.home-v3 .section.alt { background: var(--surface); }
.home-v3 .center-intro { margin-right: auto; margin-left: auto; text-align: center; }
.home-v3 .product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.home-v3 .product-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; transition: .2s ease; }
.home-v3 .product-card:hover { border-color: #b8cad9; box-shadow: var(--shadow); transform: translateY(-3px); }
.home-v3 .product-card-media { position: relative; height: 250px; padding: 1.2rem; background: linear-gradient(145deg, #f7f9fa, #e9eef2); }
.home-v3 .product-card-media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.home-v3 .product-tag { position: absolute; left: 1rem; top: 1rem; padding: .28rem .45rem; border-radius: 3px; background: var(--orange); color: #fff; font-size: .66rem; font-weight: 800; }
.home-v3 .product-card-body { display: flex; flex: 1; flex-direction: column; padding: 1.2rem; }
.home-v3 .product-card-body h3 { margin-bottom: .25rem; }
.home-v3 .product-model { margin-bottom: .55rem; color: var(--orange-dark); font-size: .78rem; font-weight: 800; }
.home-v3 .product-card-body p { min-height: 48px; margin-bottom: .8rem; color: var(--muted); font-size: .9rem; }
.home-v3 .product-meta { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.home-v3 .product-meta span { padding: .25rem .45rem; border-radius: 99px; background: #eef3f7; color: var(--navy-800); font-size: .7rem; font-weight: 700; }
.home-v3 .card-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: auto; }
.home-v3 .text-link { color: var(--orange-dark); font-size: .78rem; font-weight: 800; }
.home-v3 .text-link:hover { text-decoration: underline; }
.home-v3 .capability-grid, .home-v3 .custom-grid, .home-v3 .buyer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.home-v3 .capability-card, .home-v3 .buyer-card { padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.home-v3 .capability-card strong { display: inline-block; margin-bottom: 1rem; color: var(--orange); font-size: 1.5rem; }
.home-v3 .capability-card p, .home-v3 .buyer-card p { color: var(--muted); font-size: .9rem; }
.home-v3 .manufacturing-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(2rem, 5vw, 5rem); }
.home-v3 .manufacturing-image { width: 100%; max-height: 410px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.home-v3 .stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; margin-top: 1.5rem; }
.home-v3 .stat { padding: .8rem; border-left: 3px solid var(--orange); background: #f7f9fb; }
.home-v3 .stat strong { display: block; color: var(--orange-dark); font-size: 1.45rem; }
.home-v3 .stat span { color: var(--muted); font-size: .72rem; }
.home-v3 .custom-grid { grid-template-columns: repeat(4, 1fr); margin-bottom: 1.5rem; }
.home-v3 .custom-card { padding: 1.1rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.home-v3 .custom-card strong { display: block; margin-bottom: .35rem; }
.home-v3 .custom-card span { color: var(--muted); font-size: .8rem; }
.home-v3 .custom-panel { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 2rem; padding: clamp(1.5rem, 4vw, 3rem); border-radius: var(--radius); background: var(--navy-900); color: #fff; }
.home-v3 .custom-panel p { color: #c8d8e5; }
.home-v3 .custom-panel img { width: 100%; max-height: 260px; object-fit: contain; }
.home-v3 .scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.home-v3 .scenario-card { position: relative; min-height: 245px; overflow: hidden; border-radius: var(--radius); background: var(--navy-900); }
.home-v3 .scenario-card img { width: 100%; height: 100%; object-fit: cover; opacity: .82; }
.home-v3 .scenario-card figcaption { position: absolute; inset: auto 0 0; padding: 1.2rem; background: linear-gradient(transparent, rgba(7,26,45,.9)); color: #fff; font-weight: 800; }
.home-v3 .quality-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1.5rem; align-items: stretch; }
.home-v3 .quality-process { display: grid; grid-template-columns: repeat(4, 1fr); gap: .7rem; margin-bottom: 1.5rem; }
.home-v3 .quality-step { padding: 1rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.home-v3 .quality-step strong { display: block; color: var(--orange); }
.home-v3 .quality-step span { color: var(--muted); font-size: .78rem; }
.home-v3 .certificate-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; }
.home-v3 .certificate-list article { padding: 1rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.home-v3 .certificate-list strong { display: block; margin-bottom: .2rem; }
.home-v3 .certificate-list span { color: var(--muted); font-size: .75rem; }
.home-v3 .buyer-grid { grid-template-columns: repeat(4, 1fr); }
.home-v3 .buyer-card { background: transparent; }
.home-v3 .buyer-card strong { display: block; margin-bottom: .5rem; }
.home-v3 .faq-grid { max-width: 850px; margin: 0 auto; }
.home-v3 details { padding: 1.05rem 0; border-bottom: 1px solid var(--line); }
.home-v3 summary { cursor: pointer; font-weight: 800; }
.home-v3 details p { margin: .6rem 0 0; color: var(--muted); }
.home-v3 .quote-section { background: var(--navy-950); color: #fff; }
.home-v3 .quote-section .section-intro p:last-child, .home-v3 .quote-note { color: #b9cbd9; }
.home-v3 .quote-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; }
.home-v3 .quote-panel { padding: 1.35rem; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); background: rgba(255,255,255,.06); }
.home-v3 .quote-panel h3 { color: #fff; }
.home-v3 .quote-empty { padding: 1rem; border: 1px dashed rgba(255,255,255,.25); color: #b9cbd9; }
.home-v3 .quote-form, .home-v3 .sample-form { display: grid; gap: .75rem; }
.home-v3 .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.home-v3 .quote-form input, .home-v3 .quote-form select, .home-v3 .quote-form textarea, .home-v3 .sample-form input, .home-v3 .sample-form select, .home-v3 .sample-form textarea, .quote-drawer input, .quote-drawer select, .quote-drawer textarea { width: 100%; min-height: 42px; padding: .65rem .7rem; border: 1px solid rgba(255,255,255,.2); border-radius: 7px; background: rgba(255,255,255,.08); color: #fff; }
.home-v3 .quote-form option, .home-v3 .sample-form option, .quote-drawer option { color: #102d49; }
.home-v3 .quote-form textarea, .home-v3 .sample-form textarea, .quote-drawer textarea { min-height: 95px; resize: vertical; }
.home-v3 .quote-form input::placeholder, .home-v3 .quote-form textarea::placeholder, .home-v3 .sample-form input::placeholder, .home-v3 .sample-form textarea::placeholder, .quote-drawer input::placeholder, .quote-drawer textarea::placeholder { color: #a9bccb; }
.home-v3 .form-status, .quote-drawer .form-status { margin: 0; font-size: .86rem; }
.home-v3 .form-status.is-error, .quote-drawer .form-status.is-error { color: #ffb49a; }
.home-v3 .form-status.is-success, .quote-drawer .form-status.is-success { color: #a9edc1; }
.home-v3 .footer { padding: 2.4rem 0; background: #061523; color: #c5d3de; }
.home-v3 .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.home-v3 .footer-logo { width: 150px; filter: brightness(0) invert(1); margin-bottom: .8rem; }
.home-v3 .footer h3 { color: #fff; font-size: .88rem; }
.home-v3 .footer p, .home-v3 .footer a { color: #aebfce; font-size: .82rem; }
.home-v3 .footer a { display: block; margin: .3rem 0; }
.home-v3 .footer a:hover { color: #fff; }
.home-v3 .footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; margin-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.14); color: #91a7b8; font-size: .72rem; }

/* Cross-page B2B quote list. */
.quote-drawer { position: fixed; inset: 0 0 0 auto; z-index: 80; display: none; width: min(520px, 100%); padding: 1.25rem; overflow: auto; background: var(--navy-950); color: #fff; box-shadow: -12px 0 40px rgba(0,0,0,.24); }
.quote-drawer.is-open { display: block; }
.quote-drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.quote-drawer-head h2 { margin: 0; font-size: 1.4rem; }
.quote-drawer-close { border: 0; background: transparent; color: #fff; font-size: 1.6rem; cursor: pointer; }
.quote-drawer-item { margin-bottom: .75rem; padding: .85rem; border: 1px solid rgba(255,255,255,.2); border-radius: 10px; background: rgba(255,255,255,.06); }
.quote-drawer-item-top { display: grid; grid-template-columns: 58px 1fr auto; gap: .7rem; align-items: center; }
.quote-drawer-item img { width: 58px; height: 58px; object-fit: contain; border-radius: 6px; background: #eef2f4; }
.quote-drawer-item strong { display: block; }
.quote-drawer-item small { color: #b9cbd9; }
.quote-drawer-remove { border: 0; background: transparent; color: #ffb49a; cursor: pointer; }
.quote-drawer-fields { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; margin-top: .75rem; }
.quote-drawer-fields textarea { grid-column: 1 / -1; }
.quote-drawer input, .quote-drawer select, .quote-drawer textarea { border-color: rgba(255,255,255,.2); }
.quote-drawer-form { display: grid; gap: .65rem; margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,.16); }
.quote-drawer-form label { color: #c6d6e1; font-size: .78rem; }
.quote-drawer-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; }
.quote-drawer-backdrop { position: fixed; inset: 0; z-index: 79; display: none; background: rgba(3,13,24,.5); }
.quote-drawer-backdrop.is-open { display: block; }
.quote-count { display: inline-flex; align-items: center; justify-content: center; min-width: 1.35rem; height: 1.35rem; margin-left: .25rem; padding: 0 .25rem; border-radius: 99px; background: var(--orange); color: #fff; font-size: .68rem; }
.quote-trigger { border: 0; background: transparent; color: inherit; cursor: pointer; }
.sample-dialog { position: fixed; inset: 0; z-index: 90; display: none; place-items: center; padding: 1rem; background: rgba(3,13,24,.65); }
.sample-dialog.is-open { display: grid; }
.sample-dialog-panel { width: min(620px, 100%); max-height: 92vh; overflow: auto; padding: 1.35rem; border-radius: var(--radius); background: #fff; color: var(--ink); box-shadow: var(--shadow); }
.sample-dialog-head { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.sample-dialog-close { border: 0; background: transparent; color: var(--muted); font-size: 1.5rem; cursor: pointer; }
.sample-form input, .sample-form select, .sample-form textarea { border-color: var(--line); background: #fff; color: var(--ink); }
.sample-form input::placeholder, .sample-form textarea::placeholder { color: #8a9bab; }
.sample-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.product-mobile-toggle { display: none; border: 1px solid var(--line); border-radius: 7px; padding: .55rem .75rem; background: #fff; color: var(--ink); font-weight: 700; }
@media (max-width: 680px) {
  .product-detail-page .product-site-header { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; padding: .7rem 1rem; }
  .product-detail-page .product-site-header .brand { flex: 1 1 170px; min-width: 0; }
  .product-detail-page .product-site-header .header-actions { margin-left: auto; }
  .product-detail-page .product-site-header .nav { display: none; width: 100%; order: 5; }
  .product-detail-page .product-site-header .nav.is-open { display: flex; flex-direction: column; gap: .3rem; padding: .7rem 0 0; border-top: 1px solid var(--line); }
  .product-detail-page .product-site-header .nav.is-open a { padding: .35rem 0; }
  .product-mobile-toggle { display: inline-flex; order: 3; }
  .product-detail-page .product-site-header .header-actions { order: 2; }
  .product-detail-page .product-site-header .brand { order: 1; }
}

@media (max-width: 900px) {
  .home-v3 .primary-nav { gap: .8rem; }
  .home-v3 .brand small { display: none; }
  .home-v3 .hero-grid, .home-v3 .manufacturing-grid, .home-v3 .quality-grid, .home-v3 .quote-layout { grid-template-columns: 1fr; }
  .home-v3 .capability-grid, .home-v3 .buyer-grid { grid-template-columns: repeat(2, 1fr); }
  .home-v3 .custom-panel { grid-template-columns: 1fr; }
  .home-v3 .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .home-v3 .container { width: min(100% - 28px, 560px); }
  .home-v3 .nav-inner { min-height: 66px; gap: .45rem; }
  .home-v3 .brand { min-width: 0; flex: 1 1 auto; }
  .home-v3 .brand img { width: 112px; }
  .home-v3 .mobile-toggle { display: inline-flex; }
  .home-v3 .primary-nav { position: absolute; inset: 66px 0 auto; display: none; flex-direction: column; align-items: stretch; padding: .8rem 1rem 1rem; border-bottom: 1px solid var(--line); background: #fff; }
  .home-v3 .primary-nav.is-open { display: flex; }
  .home-v3 .primary-nav a { padding: .55rem 0; }
  .home-v3 .header-actions { flex: 0 0 auto; gap: .25rem; }
  .home-v3 .header-actions .btn { display: none; }
  .home-v3 .quote-trigger { max-width: 54px; padding: 0; font-size: .66rem; line-height: 1.05; text-align: center; }
  .home-v3 .quote-count { min-width: 1.1rem; height: 1.1rem; font-size: .6rem; }
  .home-v3 .language-switcher { min-height: 34px; max-width: 76px; padding: 0 .25rem; font-size: .72rem; }
  .home-v3 .hero { padding-top: 2.7rem; }
  .home-v3 .hero h1 { font-size: clamp(2.2rem, 12vw, 3.8rem); }
  .home-v3 .hero-visual { min-height: 290px; }
  .home-v3 .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .home-v3 .trust-item:nth-child(2) { border-right: 0; }
  .home-v3 .product-grid, .home-v3 .scenario-grid { grid-template-columns: 1fr; }
  .home-v3 .product-card-media { height: 230px; }
  .home-v3 .custom-grid, .home-v3 .quality-process, .home-v3 .certificate-list { grid-template-columns: repeat(2, 1fr); }
  .home-v3 .form-grid, .home-v3 .quote-drawer-form .form-grid, .sample-form .form-grid { grid-template-columns: 1fr; }
  .home-v3 .footer-grid { grid-template-columns: 1fr; }
  .home-v3 .footer-bottom { flex-direction: column; }
  .quote-drawer-fields { grid-template-columns: 1fr; }
  .quote-drawer-fields textarea { grid-column: auto; }
}