/* YUWEI International — shared modern layer (header, footer, sections, cards) */
:root{
  --ys-font:'Manrope','Inter','Segoe UI',Arial,sans-serif;
  --ys-navy:#0e1f35; --ys-navy-2:#17304f; --ys-blue:#2457a0; --ys-sky:#2fa3e7;
  --ys-orange:#f2a02f; --ys-orange-d:#d98614; --ys-ink:#16233a; --ys-muted:#5f6b80;
  --ys-bg:#f4f6fa; --ys-card:#fff; --ys-line:rgba(14,31,53,.09);
  --ys-radius:18px; --ys-shadow:0 8px 28px rgba(14,31,53,.08); --ys-shadow-h:0 16px 40px rgba(14,31,53,.15);
}
html{scroll-behavior:smooth}
body.ys-body{background:var(--ys-bg);color:var(--ys-ink);font-family:var(--ys-font);font-size:16.5px;line-height:1.65;margin:0;overflow-x:clip;-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}
.ys-body img{max-width:100%;height:auto}
.ys-body h1,.ys-body h2,.ys-body h3,.ys-body h4{letter-spacing:-.02em;font-weight:800}
.ys-body h1,.ys-body h2,.ys-body h3,.ys-body h4{font-family:var(--ys-font);color:var(--ys-navy);line-height:1.18}
.ys-wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.ys-container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.ys-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--ys-line);box-shadow:0 2px 18px rgba(14,31,53,.05)}
.ys-header .ys-wrap{display:flex;align-items:center;gap:22px;min-height:72px}
.ys-logo img{display:block;height:46px;width:auto}
.ys-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.ys-nav a.ys-link,.ys-nav button.ys-link{display:inline-flex;align-items:center;gap:6px;color:var(--ys-navy);font:700 16px var(--ys-font);
  padding:10px 15px;border-radius:999px;border:0;background:none;cursor:pointer;text-decoration:none;transition:.2s}
.ys-nav a.ys-link:hover,.ys-nav button.ys-link:hover,.ys-nav .is-active>.ys-link,.ys-nav .is-open>.ys-link{background:rgba(36,87,160,.09);color:var(--ys-blue)}
.ys-caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:.2s}
.is-open .ys-caret{transform:rotate(-135deg) translateY(-2px)}
.ys-dd{position:relative}
.ys-menu{position:absolute;left:0;top:calc(100% + 8px);min-width:290px;background:#fff;border:1px solid var(--ys-line);border-radius:16px;
  box-shadow:var(--ys-shadow-h);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s;z-index:5}
.ys-menu::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.ys-menu a{display:block;padding:10px 14px;border-radius:10px;color:var(--ys-ink);font-weight:700;text-decoration:none;font-size:15.5px}
.ys-menu a small{display:block;color:var(--ys-muted);font-weight:400;font-size:13px}
.ys-menu a:hover{background:rgba(242,160,47,.14);color:var(--ys-navy)}
.ys-menu a.is-current{background:rgba(36,87,160,.09);color:var(--ys-blue)}
@media (hover:hover) and (min-width:992px){.ys-dd:hover .ys-menu{opacity:1;visibility:visible;transform:none}}
.ys-dd.is-open .ys-menu{opacity:1;visibility:visible;transform:none}
.ys-cta{background:var(--ys-orange)!important;color:var(--ys-navy)!important;margin-left:8px;padding:10px 22px!important;box-shadow:0 6px 16px rgba(242,160,47,.4)}
.ys-cta:hover{background:var(--ys-orange-d)!important;transform:translateY(-1px)}
.ys-burger{display:none;margin-left:auto;width:46px;height:46px;border:0;border-radius:12px;background:rgba(36,87,160,.09);cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.ys-burger span{width:22px;height:2.5px;background:var(--ys-navy);border-radius:2px;transition:.2s}
@media (max-width:991.98px){
  .ys-burger{display:flex}
  .ys-nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:2px;background:#fff;padding:12px 16px 18px;
    border-bottom:1px solid var(--ys-line);box-shadow:0 18px 30px rgba(14,31,53,.12);display:none;margin:0;max-height:calc(100vh - 72px);overflow:auto}
  .ys-nav.is-show{display:flex}
  .ys-nav a.ys-link,.ys-nav button.ys-link{width:100%;justify-content:space-between;border-radius:12px;padding:13px 14px}
  .ys-menu{position:static;box-shadow:none;border:0;opacity:1;visibility:visible;transform:none;display:none;padding:0 0 6px 10px;min-width:0}
  .ys-dd.is-open .ys-menu{display:block}
  .ys-cta{margin:8px 0 0!important;text-align:center;justify-content:center!important}
}

/* ---------- buttons ---------- */
.ys-btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:999px;font:700 16px var(--ys-font);text-decoration:none;border:2px solid transparent;transition:.2s;cursor:pointer}
.ys-btn-primary{background:var(--ys-orange);color:var(--ys-navy)!important;box-shadow:0 8px 20px rgba(242,160,47,.38)}
.ys-btn-primary:hover{background:var(--ys-orange-d);transform:translateY(-2px)}
.ys-btn-ghost{border-color:rgba(255,255,255,.55);color:#fff!important}
.ys-btn-ghost:hover{background:rgba(255,255,255,.12)}
.ys-btn-outline{border-color:var(--ys-blue);color:var(--ys-blue)!important}
.ys-btn-outline:hover{background:var(--ys-blue);color:#fff!important}

/* ---------- sections ---------- */
.ys-section{margin-top:clamp(44px,6.5vw,90px)}
.ys-eyebrow{display:inline-block;font:700 13px var(--ys-font);letter-spacing:.12em;text-transform:uppercase;color:var(--ys-orange-d);margin-bottom:8px}
.ys-section h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:0 0 12px;font-weight:700}
.ys-lead{color:var(--ys-muted);font-size:1.12rem;max-width:760px;margin:0 0 30px}
.ys-card{background:var(--ys-card);border-radius:var(--ys-radius);box-shadow:var(--ys-shadow);border:1px solid var(--ys-line);overflow:hidden;transition:transform .25s,box-shadow .25s}
.ys-card.hover:hover{transform:translateY(-5px);box-shadow:var(--ys-shadow-h)}
.ys-grid{display:grid;gap:22px}
.ys-g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.ys-g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.ys-g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:991.98px){.ys-g4{grid-template-columns:repeat(2,minmax(0,1fr))}.ys-g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.ys-g2,.ys-g3,.ys-g4{grid-template-columns:minmax(0,1fr)}}

/* page hero */
.ys-hero{position:relative;color:#fff;background:radial-gradient(1000px 500px at 85% 0%,rgba(47,163,231,.35),transparent 60%),linear-gradient(135deg,#0b1830 0%,#17304f 55%,#2457a0 130%);overflow:hidden}
.ys-hero::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='3' cy='3' r='1.2' fill='%23ffffff' fill-opacity='.07'/%3E%3C/svg%3E");pointer-events:none}
.ys-hero .ys-container{position:relative;z-index:1}
.ys-crumbs{font-size:14px;color:rgba(255,255,255,.7);padding-top:22px}
.ys-crumbs a{color:rgba(255,255,255,.85)}
.ys-crumbs a:hover{color:#fff}

/* tables */
.ys-table-wrap{overflow-x:auto;border-radius:var(--ys-radius);box-shadow:var(--ys-shadow);border:1px solid var(--ys-line);background:#fff}
.ys-table{width:100%;border-collapse:collapse;font-size:15.5px}
.ys-table th{background:var(--ys-navy);color:#fff;text-align:left;padding:14px 16px;font-weight:700;white-space:nowrap}
.ys-table td{padding:13px 16px;border-top:1px solid var(--ys-line);vertical-align:top}
.ys-table tbody tr:nth-child(even){background:#f8fafd}
.ys-table tbody tr:hover{background:#eef4fb}
.ys-table td:first-child{color:var(--ys-muted);font-weight:700}
.ys-table td.v{color:var(--ys-navy);font-weight:700}

/* footer */
.ys-footer{margin-top:clamp(56px,8vw,110px);background:var(--ys-navy);color:rgba(255,255,255,.78);font-size:15.5px}
.ys-footer a{color:rgba(255,255,255,.88);text-decoration:none}
.ys-footer a:hover{color:var(--ys-orange)}
.ys-footer .ys-top{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1.2fr) auto;gap:36px;padding:56px 0 40px}
.ys-footer h4{color:#fff;font-size:16px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px}
.ys-footer ul{list-style:none;padding:0;margin:0}
.ys-footer li{margin:7px 0}
.ys-flogo{display:inline-block;background:#fff;border-radius:14px;padding:10px 14px;margin-bottom:14px}
.ys-flogo img{display:block;height:40px}
.ys-qr{background:#fff;border-radius:14px;padding:8px;display:inline-block}
.ys-qr img{display:block;width:104px;height:104px}
.ys-footer .ys-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:14px;color:rgba(255,255,255,.6)}
@media (max-width:991.98px){.ys-footer .ys-top{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media (max-width:640px){.ys-footer .ys-top{grid-template-columns:minmax(0,1fr);text-align:center;padding-top:40px}}

/* reveal on scroll */
.ys-reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.ys-reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.ys-reveal{opacity:1;transform:none;transition:none}*{scroll-behavior:auto!important}}

/* legacy pages: light polish so old content sits well under the new header */
body:not(.ys-body){background:#fff}
body:not(.ys-body) .container{padding-top:18px}
body:not(.ys-body) .btn-primary{background:var(--ys-blue);border-color:var(--ys-blue);border-radius:999px;padding:8px 22px;font-weight:700}
body:not(.ys-body) .btn-primary:hover{background:var(--ys-navy);border-color:var(--ys-navy)}
body:not(.ys-body) .card{border-radius:16px;border:1px solid var(--ys-line);box-shadow:0 6px 20px rgba(14,31,53,.06);transition:transform .25s,box-shadow .25s;overflow:hidden}
body:not(.ys-body) .card:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(14,31,53,.13)}
body:not(.ys-body) h1,body:not(.ys-body) h2{color:var(--ys-navy)}
body:not(.ys-body) .nav-tabs .nav-link.active{color:var(--ys-blue);font-weight:700}

/* ================= 2026 layer: glass, bento, marquee, tabs, accordion ================= */
.ys-dark{background:radial-gradient(900px 420px at 80% -10%,rgba(47,163,231,.28),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(242,160,47,.14),transparent 60%),#0b1830;color:#fff;border-radius:32px;padding:clamp(28px,5vw,64px);position:relative;overflow:hidden}
.ys-dark h2,.ys-dark h3{color:#fff!important}
.ys-dark .ys-lead{color:rgba(255,255,255,.75)}
.ys-grad{background:linear-gradient(100deg,#fff 10%,#9fd6ff 55%,var(--ys-orange) 110%);-webkit-background-clip:text;background-clip:text;color:transparent!important}
.ys-glass{background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.16);border-radius:22px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 14px 40px rgba(0,0,0,.22)}
.ys-spot{position:relative;overflow:hidden}
.ys-spot::before{content:"";position:absolute;inset:0;background:radial-gradient(380px circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.16),transparent 55%);opacity:0;transition:opacity .3s;pointer-events:none}
.ys-spot:hover::before{opacity:1}
.ys-bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}
.ys-bento>*{grid-column:span 2}
.ys-bento>.w3{grid-column:span 3}.ys-bento>.w4{grid-column:span 4}.ys-bento>.w6{grid-column:span 6}
@media (max-width:991.98px){.ys-bento{grid-template-columns:repeat(2,minmax(0,1fr))}.ys-bento>*,.ys-bento>.w3,.ys-bento>.w4{grid-column:span 1}.ys-bento>.w6{grid-column:span 2}}
@media (max-width:600px){.ys-bento{grid-template-columns:minmax(0,1fr)}.ys-bento>*,.ys-bento>.w3,.ys-bento>.w4,.ys-bento>.w6{grid-column:span 1}}
.ys-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:rgba(36,87,160,.09);color:var(--ys-blue);font-weight:700;font-size:13.5px}
.ys-chip.o{background:rgba(242,160,47,.16);color:#a8620a}
.ys-marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.ys-marquee .track{display:flex;gap:56px;width:max-content;animation:ys-mq 30s linear infinite;padding:6px 0}
.ys-marquee:hover .track{animation-play-state:paused}
.ys-marquee span{font:800 clamp(1.4rem,3vw,2.2rem) var(--ys-font);color:rgba(14,31,53,.28);letter-spacing:-.02em;white-space:nowrap}
@keyframes ys-mq{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ys-marquee .track{animation:none}}
/* tabs */
.ys-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 24px}
.ys-tab{border:1.5px solid var(--ys-line);background:#fff;color:var(--ys-navy);font:700 15px var(--ys-font);padding:10px 20px;border-radius:999px;cursor:pointer;transition:.2s}
.ys-tab:hover{border-color:var(--ys-blue)}
.ys-tab.is-on{background:var(--ys-navy);border-color:var(--ys-navy);color:#fff;box-shadow:0 8px 20px rgba(14,31,53,.25)}
.ys-pane[hidden]{display:none}
/* accordion (details) */
.ys-acc{display:grid;gap:12px}
.ys-acc details{background:#fff;border:1px solid var(--ys-line);border-radius:18px;box-shadow:var(--ys-shadow);overflow:hidden;transition:box-shadow .25s}
.ys-acc details[open]{box-shadow:var(--ys-shadow-h);border-color:rgba(36,87,160,.3)}
.ys-acc summary{list-style:none;cursor:pointer;padding:18px 56px 18px 22px;font-weight:800;color:var(--ys-navy);position:relative;font-size:1.05rem;line-height:1.35}
.ys-acc summary::-webkit-details-marker{display:none}
.ys-acc summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;background:rgba(36,87,160,.1);color:var(--ys-blue);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;transition:.25s}
.ys-acc details[open] summary::after{content:"–";background:var(--ys-orange);color:var(--ys-navy)}
.ys-acc .a{padding:0 22px 20px;color:var(--ys-muted)}
.ys-acc .a p{margin:0 0 10px}.ys-acc .a a{font-weight:700}
/* news */
.ys-news{display:flex;flex-direction:column;gap:10px;padding:24px;height:100%}
.ys-news time{font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--ys-orange-d)}
.ys-news h3{font-size:1.2rem;margin:0}
.ys-news p{margin:0;color:var(--ys-muted);font-size:15.5px}
.ys-news .src{margin-top:auto;font-weight:800;font-size:14.5px}
/* brand cards */
.br-card{padding:26px;display:flex;flex-direction:column;gap:10px;height:100%}
.br-mark{font:800 1.9rem var(--ys-font);letter-spacing:-.03em;color:var(--ys-navy)}
.br-mark em{font-style:normal;color:var(--ys-orange-d)}
.br-card p{margin:0;color:var(--ys-muted);font-size:15.5px}
.br-card .links{margin-top:auto;display:flex;gap:14px;flex-wrap:wrap;font-weight:800;font-size:14.5px;padding-top:6px}
/* mobile polish */
@media (max-width:640px){
  body.ys-body{font-size:16px}
  .ys-container,.ys-wrap{padding-left:16px;padding-right:16px}
  .ys-section{margin-top:44px}
  .ys-dark{border-radius:24px}
  .ys-btn{padding:12px 22px;width:100%;justify-content:center}
  .ys-logo img{height:38px}
  .ys-header .ys-wrap{min-height:64px}
  .ys-table{font-size:14px}.ys-table th,.ys-table td{padding:10px 12px}
}
.ys-dark .br-mark{color:#fff}.ys-dark .br-mark em{color:var(--ys-orange)}
.ys-dark .ys-marquee span{color:rgba(255,255,255,.3)}
@media (max-width:1180px) and (min-width:992px){.ys-nav a.ys-link,.ys-nav button.ys-link{padding:10px 10px;font-size:15px}.ys-cta{padding:10px 16px!important}}
/* language switch, forms, direction cards */
.ys-lang{display:inline-flex;border:1.5px solid var(--ys-line);border-radius:999px;overflow:hidden;margin-left:6px;background:#fff}
.ys-lang a{padding:7px 12px;font-weight:800;font-size:13px;color:var(--ys-muted);text-decoration:none;letter-spacing:.04em}
.ys-lang a.is-on{background:var(--ys-navy);color:#fff}
@media (max-width:991.98px){.ys-lang{align-self:flex-start;margin:8px 0 0}}
.ys-form{background:#fff;border:1px solid var(--ys-line);border-radius:28px;box-shadow:var(--ys-shadow-h);padding:clamp(22px,4vw,44px)}
.ys-form .row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.ys-form label{display:block;font-weight:700;margin:0 0 6px;font-size:14.5px}
.ys-form input,.ys-form select,.ys-form textarea{width:100%;padding:13px 16px;border:1.5px solid var(--ys-line);border-radius:14px;font:16px var(--ys-font);background:#f8fafd;outline:none;transition:.2s}
.ys-form input:focus,.ys-form select:focus,.ys-form textarea:focus{border-color:var(--ys-blue);background:#fff;box-shadow:0 0 0 4px rgba(36,87,160,.12)}
.ys-form .fld{margin-bottom:16px}
.ys-form .hp{position:absolute;left:-9999px;opacity:0}
.ys-alert{display:none;border-radius:14px;padding:14px 18px;margin-bottom:18px;font-weight:700}
.ys-alert.ok{background:#e8f6ec;color:#1c6b3a}.ys-alert.err{background:#fdecec;color:#a02828}
.ys-dir{display:flex;flex-direction:column;height:100%}
.ys-dir .pic{background:linear-gradient(135deg,#0b1830,#2457a0);display:flex;align-items:center;justify-content:center;min-height:200px;padding:20px}
.ys-dir .pic img{max-height:170px;width:auto;max-width:100%}
.ys-dir .bd{padding:22px 24px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.ys-dir h3{font-size:1.35rem;margin:0}.ys-dir p{margin:0;color:var(--ys-muted)}
.ys-dir .go{margin-top:auto;padding-top:10px;font-weight:800}
@media (max-width:640px){.ys-form .row2{grid-template-columns:minmax(0,1fr)}}