/* =========================================================
   Guangda Calcium - www.calciummanufacturer.com
   Native CSS, system fonts only, no external dependencies.
   NOTE: no backdrop-filter anywhere (it creates a containing
   block that breaks position:fixed floating contact on mobile).
   ========================================================= */
:root{
  --navy:#0b2a4a;--navy-2:#123e68;--navy-3:#0f3558;
  --gold:#c9a14a;--gold-2:#b0862f;--gold-soft:#f6efdd;
  --ink:#15212f;--muted:#5a6b7d;--line:#e2e8ef;
  --bg:#ffffff;--alt:#f3f6f9;
  --wa:#25d366;--line-c:#06c755;--tg:#229ed9;--wx:#07c160;
  --radius:14px;--radius-sm:10px;
  --shadow:0 10px 30px rgba(11,42,74,.08);
  --shadow-lg:0 20px 50px rgba(11,42,74,.16);
  --font:Inter,Roboto,"Segoe UI","Helvetica Neue",Arial,"Noto Sans","PingFang SC","Hiragino Sans","Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic",Tahoma,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--ink);background:var(--bg);overflow-x:clip;-webkit-font-smoothing:antialiased}
@supports not (overflow:clip){body{overflow-x:hidden}}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy-2);text-decoration:none;transition:color .2s}
a:hover{color:var(--gold-2)}
h1,h2,h3{overflow-wrap:break-word;hyphens:auto;-webkit-hyphens:auto;line-height:1.25;color:var(--navy);margin:0 0 .6em;font-weight:750;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,3.4vw,2.8rem)}
h2{font-size:clamp(1.5rem,2.6vw,2.2rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
button{font:inherit;cursor:pointer}
table{border-collapse:collapse;width:100%}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.container.narrow{max-width:900px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;inset-inline-start:10px;top:-60px;background:var(--gold);color:#fff;padding:10px 16px;z-index:200;transition:top .2s}
.skip-link:focus{top:10px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.center{text-align:center}.mt-2{margin-top:2rem}.small{font-size:.875rem}.muted{color:var(--muted)}
.text-left{text-align:left}.text-right{text-align:right}
/* icons */
.ic{width:24px;height:24px;flex:none;display:inline-block;vertical-align:middle}
.ic-sm{width:18px;height:18px}.ic-xs{width:14px;height:14px}
/* ---------- buttons ---------- */
.btn{--bg:var(--navy);display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.78em 1.4em;border-radius:999px;border:2px solid transparent;background:var(--bg);color:#fff;font-weight:650;font-size:.95rem;line-height:1.2;text-align:center;position:relative;overflow:hidden;isolation:isolate;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s;white-space:nowrap}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%) no-repeat;background-size:250% 100%;background-position:160% 0;transition:background-position .7s var(--ease);z-index:-1;pointer-events:none}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,42,74,.22);color:#fff}
.btn:hover::after{background-position:-60% 0}
[dir=rtl] .btn::after{background-position:-60% 0}
[dir=rtl] .btn:hover::after{background-position:160% 0}
.btn:active{transform:translateY(0) scale(.98)}
.btn .ic{transition:transform .25s var(--ease)}
.btn:hover .ic{transform:translateX(3px)}
[dir=rtl] .btn:hover .ic{transform:translateX(-3px)}
.btn-gold{--bg:var(--gold);background:linear-gradient(135deg,#d6b25c,var(--gold-2));color:#fff}
.btn-primary{--bg:var(--navy)}
.btn-outline{background:transparent;border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}.btn-light:hover{color:var(--navy)}
.btn-wa{background:var(--wa)}.btn-tg{background:var(--tg)}.btn-line{background:var(--line-c)}.btn-wx{background:var(--wx)}
.btn-sm{padding:.55em 1.1em;font-size:.875rem}
.btn-lg{padding:.95em 1.7em;font-size:1rem}
.link-arrow{display:inline-flex;align-items:center;gap:.4em;font-weight:650;color:var(--navy-2)}
.link-arrow .ic{transition:transform .25s var(--ease)}
.link-arrow:hover .ic{transform:translateX(4px)}
[dir=rtl] .link-arrow .ic,[dir=rtl] .btn .ic-arrow{transform:scaleX(-1)}
.linklike{background:none;border:0;padding:0;color:inherit;display:inline-flex;align-items:center;gap:.4em;text-align:start}
/* ---------- top bar ---------- */
.topbar{background:var(--navy);color:#cfdbea;font-size:.82rem}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px;flex-wrap:wrap;padding-top:4px;padding-bottom:4px}
.tb-note{margin:0;display:flex;align-items:center;gap:6px;color:var(--gold)}
.tb-links{list-style:none;display:flex;flex-wrap:wrap;gap:4px 18px}
.tb-links a{color:#e3ecf6;display:inline-flex;align-items:center;gap:6px}
.tb-links a:hover{color:var(--gold)}
.tb-lab{font-weight:600}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(11,42,74,.05)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;color:var(--navy);flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:1.25rem;letter-spacing:.12em;color:var(--navy)}
.logo-text small{font-size:.7rem;color:var(--muted);letter-spacing:.04em;margin-top:3px}
.logo-light .logo-text strong{color:#fff}.logo-light .logo-text small{color:#a9bbcf}
.main-nav{margin-inline-start:auto}
.main-nav ul{list-style:none;display:flex;align-items:center;gap:4px}
.main-nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--ink);font-weight:600;font-size:.95rem;position:relative}
.main-nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--gold);transform:scaleX(0);transition:transform .3s var(--ease)}
.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--navy-2)}
.main-nav a:hover::after,.main-nav a[aria-current=page]::after{transform:scaleX(1)}
.main-nav .nav-cta{display:none}
.main-nav .nav-cta a::after{display:none}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang-switch{display:flex;align-items:center;gap:4px;border:1px solid var(--line);border-radius:999px;padding:4px 8px 4px 10px;color:var(--navy);background:#fff;transition:border-color .2s}
.lang-switch:hover{border-color:var(--gold)}
.lang-switch select{border:0;background:transparent;font:inherit;font-size:.88rem;color:var(--navy);font-weight:600;padding:4px 2px;max-width:120px;cursor:pointer}
.lang-switch select:focus{outline:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--navy);align-items:center;justify-content:center}
/* ---------- floating contact (vertically centered, right) ---------- */
.float-contact{position:fixed;top:50%;inset-inline-end:10px;transform:translateY(-50%);z-index:120;display:flex;flex-direction:column;gap:6px}
.fc{width:72px;min-height:62px;padding:8px 4px;border:0;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#fff;background:var(--navy);box-shadow:0 6px 16px rgba(0,0,0,.18);transition:transform .25s var(--ease),box-shadow .25s,filter .25s;text-align:center}
.fc:hover{transform:translateX(-4px) scale(1.04);box-shadow:0 10px 22px rgba(0,0,0,.25);color:#fff;filter:brightness(1.06)}
[dir=rtl] .fc:hover{transform:translateX(4px) scale(1.04)}
.fc .ic{width:24px;height:24px}
.fc-t{font-size:10.5px;line-height:1.15;font-weight:650;max-width:100%;overflow-wrap:anywhere;hyphens:auto}
.fc-wa{background:var(--wa)}.fc-line{background:var(--line-c)}.fc-tg{background:var(--tg)}.fc-wx{background:var(--wx)}
.fc-mail{background:var(--navy-2)}.fc-tel{background:var(--gold-2)}.fc-chat{background:#e2573b}
.wechat-pop{position:fixed;top:50%;inset-inline-end:92px;transform:translateY(-50%);z-index:130;width:260px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:20px;text-align:center;border-top:4px solid var(--wx)}
.wechat-pop[hidden]{display:none}
.wx-title{font-weight:700;color:var(--navy);display:flex;align-items:center;justify-content:center;gap:6px;margin-bottom:6px}
.wx-id{font-size:1.4rem;font-weight:800;color:var(--wx);margin:4px 0;letter-spacing:.03em;user-select:all}
.wx-tip{font-size:.85rem;color:var(--muted)}
.wx-close{position:absolute;top:8px;inset-inline-end:8px;background:none;border:0;color:var(--muted);width:32px;height:32px;display:flex;align-items:center;justify-content:center}
.back-top{position:fixed;bottom:18px;inset-inline-end:18px;width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);z-index:110;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,transform .3s}
.back-top.show{opacity:1;visibility:visible}.back-top:hover{color:#fff;transform:translateY(-3px)}
/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--alt)}
.section-dark{background:radial-gradient(1200px 500px at 90% -10%,#1b5487 0,transparent 60%),var(--navy);color:#d5e1ee}
.section-dark h2,.section-dark h3{color:#fff}
.sec-head{max-width:780px;margin-bottom:44px}
.sec-head.center{margin-inline:auto;text-align:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);margin-bottom:12px}
.eyebrow::before{content:"";display:inline-block;width:22px;height:2px;background:var(--gold);vertical-align:middle;margin-inline-end:8px}
.eyebrow-light{color:var(--gold)}
.lead{font-size:1.08rem;color:var(--muted)}
.section-dark .lead{color:#b8c9dc}
/* ---------- hero ---------- */
.hero{background:radial-gradient(900px 500px at 0% 0%,#1c5588 0,transparent 60%),linear-gradient(135deg,#08213b,#0f3a62);color:#dfe8f2;padding:72px 0 0;position:relative}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{color:#fff;font-size:clamp(1.9rem,3.6vw,3rem)}
.hero-sub{display:block;font-size:.5em;font-weight:600;color:var(--gold);margin-top:.6em;line-height:1.35}
.hero-p{font-size:1.08rem;color:#c3d3e4;max-width:640px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}
.hero-badges{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.hero-badges li{border:1px solid rgba(201,161,74,.55);color:#f1dfb5;border-radius:999px;padding:4px 12px;font-size:.8rem;font-weight:600}
.hero-media{position:relative}
.hero-img{border-radius:20px;box-shadow:0 30px 60px rgba(0,0,0,.35);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-card{position:absolute;bottom:-18px;inset-inline-start:-18px;background:#fff;color:var(--navy);border-radius:14px;padding:14px 18px;display:flex;gap:12px;align-items:center;box-shadow:var(--shadow-lg);max-width:270px;animation:float 5s ease-in-out infinite}
.hero-card .ic{color:var(--gold-2);width:34px;height:34px}
.hero-card strong{display:block}.hero-card span{font-size:.82rem;color:var(--muted)}
@keyframes float{50%{transform:translateY(-8px)}}
.hero-stats{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border-radius:16px;overflow:hidden;margin:64px 0 0;transform:translateY(50%);position:relative;z-index:2;box-shadow:var(--shadow-lg)}
.hero-stats li{background:#fff;padding:24px 18px;text-align:center;color:var(--muted);font-size:.9rem}
.hero-stats strong{display:block;font-size:clamp(1.5rem,2.6vw,2.1rem);color:var(--navy);line-height:1.2}
.hero-stats.light{transform:none;margin-top:48px;background:var(--line);box-shadow:none;border:1px solid var(--line)}
.markets-strip{padding:84px 0 22px;border-bottom:1px solid var(--line)}
.ms-in{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:center}
.ms-h{margin:0;font-weight:700;color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em}
.markets-strip ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center}
.markets-strip li{font-weight:650;color:var(--navy-2)}
/* ---------- page hero ---------- */
.page-hero{background:linear-gradient(135deg,#08213b,#124675);color:#cddcec;padding:64px 0 56px}
.page-hero h1{color:#fff;max-width:900px}
.page-hero .lead{color:#b9cadd;max-width:760px;margin:0}
.breadcrumb{background:var(--alt);border-bottom:1px solid var(--line);font-size:.85rem}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:10px 20px;max-width:1240px;margin:0 auto}
.breadcrumb li:not(:last-child)::after{content:"/";margin-inline-start:6px;color:#9aabbd}
.breadcrumb li[aria-current]{color:var(--muted)}
/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{position:relative}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.exp-badge{position:absolute;bottom:-20px;inset-inline-end:-10px;background:var(--gold);color:#fff;border-radius:14px;padding:16px 20px;text-align:center;box-shadow:var(--shadow-lg)}
.exp-badge strong{display:block;font-size:2rem;line-height:1}
.exp-badge span{font-size:.8rem}
.checks{list-style:none;display:grid;gap:10px;margin:18px 0 26px}
.checks li{display:flex;gap:10px;align-items:flex-start}
.checks .ic{color:#fff;background:var(--gold);border-radius:50%;padding:3px;margin-top:3px}
/* ---------- product cards ---------- */
.p-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.p-grid.three{grid-template-columns:repeat(3,1fr)}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.p-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.p-img{display:block;overflow:hidden;aspect-ratio:4/3;background:#e9eef3}
.p-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.p-card:hover .p-img img{transform:scale(1.07)}
.p-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.p-cat{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--gold-2);margin-bottom:6px}
.p-title{font-size:1.08rem;margin-bottom:6px}
.p-title a{color:var(--navy)}.p-title a:hover{color:var(--gold-2)}
.p-desc{font-size:.9rem;color:var(--muted);margin-bottom:8px;flex:1}
.p-meta{font-size:.78rem;color:#8193a6;margin-bottom:10px}
.p-card[hidden]{display:none}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:.55em 1.2em;font-weight:600;color:var(--navy);transition:all .25s var(--ease)}
.chip:hover{border-color:var(--gold);transform:translateY(-2px)}
.chip.active{background:var(--navy);color:#fff;border-color:var(--navy)}
/* ---------- features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-grid.four{grid-template-columns:repeat(4,1fr)}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--gold)}
.feature-ic{width:54px;height:54px;border-radius:14px;background:var(--gold-soft);color:var(--gold-2);display:flex;align-items:center;justify-content:center;margin-bottom:16px;transition:background .3s,color .3s}
.feature:hover .feature-ic{background:var(--navy);color:#fff}
.feature-ic .ic{width:28px;height:28px}
.feature p{color:var(--muted);font-size:.95rem;margin:0}
/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;-webkit-overflow-scrolling:touch}
.spec-table th,.spec-table td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:start;font-size:.93rem;vertical-align:top}
.spec-table thead th{background:var(--navy);color:#fff;font-weight:650;white-space:nowrap}
.spec-table tbody tr:nth-child(even){background:#f8fafc}
.spec-table tbody tr:hover{background:var(--gold-soft)}
.spec-table tbody th{font-weight:600;color:var(--navy)}
.info-table th,.info-table td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:start;font-size:.92rem;vertical-align:top}
.info-table th{width:38%;color:var(--muted);font-weight:600;background:#f8fafc}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:0}
/* ---------- industries ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ind-card{border-radius:var(--radius);padding:28px;background:linear-gradient(160deg,#fff,#f5f8fb);border:1px solid var(--line);position:relative;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s}
.ind-card::before{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.ind-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.ind-card:hover::before{transform:scaleX(1)}
.ind-ic{display:inline-flex;width:50px;height:50px;border-radius:50%;background:var(--navy);color:#fff;align-items:center;justify-content:center;margin-bottom:14px}
.ind-card p{color:var(--muted);font-size:.93rem;margin:0}
/* ---------- factory strength ---------- */
.fs-top{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:end;margin-bottom:40px}
.fs-top .sec-head{margin-bottom:0}
.fs-stats{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fs-stats li{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:18px;font-size:.88rem;color:#b8c9dc}
.fs-stats strong{display:block;font-size:1.8rem;color:var(--gold);line-height:1.2}
.gal-h{margin-bottom:18px}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gal-item{margin:0;position:relative;border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:#0e3558}
.gal-item.gal-big{grid-column:span 2;aspect-ratio:auto}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.gal-item:hover img{transform:scale(1.08)}
.gal-item figcaption{position:absolute;inset:auto 0 0 0;padding:26px 14px 12px;background:linear-gradient(transparent,rgba(5,20,36,.85));color:#fff;font-size:.85rem;font-weight:600}
/* ---------- certs ---------- */
.cert-grid{list-style:none;display:grid;grid-template-columns:repeat(9,1fr);gap:12px}
.cert{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 8px;text-align:center;font-weight:700;color:var(--navy);font-size:.88rem;display:flex;flex-direction:column;align-items:center;gap:8px;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.cert:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold)}
.ic-cert{width:34px;height:34px;color:var(--gold-2)}
/* ---------- regions ---------- */
.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.region{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--line)}
.region>.ic{color:var(--gold-2);width:30px;height:30px;margin-bottom:8px}
.region ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.region li{background:var(--alt);border-radius:999px;padding:3px 10px;font-size:.84rem;color:var(--navy-2);font-weight:600}
/* ---------- steps ---------- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step-n{display:inline-flex;width:42px;height:42px;border-radius:50%;background:var(--gold);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:12px}
.step p{color:var(--muted);font-size:.93rem;margin:0}
.section-alt .step{background:#fff}
/* ---------- testimonials ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testi{margin:0;background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s}
.testi:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.testi p{color:var(--muted);margin:0}
.ic-quote{width:34px;height:34px;color:var(--gold)}
.testi blockquote{margin:12px 0 16px;flex:1;color:var(--ink)}
.testi-a{display:block;font-weight:700;color:var(--navy);font-size:.9rem}
.testi-tag{display:inline-block;margin-top:6px;font-size:.7rem;color:#8a6a1e;background:var(--gold-soft);border-radius:6px;padding:2px 8px}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;transition:box-shadow .3s,border-color .3s}
.faq-item[open]{border-color:var(--gold);box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;font-weight:650;color:var(--navy)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ic{flex:none;width:26px;height:26px;border-radius:50%;background:var(--alt);position:relative;transition:transform .3s var(--ease),background .3s}
.faq-ic::before,.faq-ic::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:var(--navy);transform:translate(-50%,-50%)}
.faq-ic::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .3s}
.faq-item[open] .faq-ic{background:var(--gold);transform:rotate(180deg)}
.faq-item[open] .faq-ic::before,.faq-item[open] .faq-ic::after{background:#fff}
.faq-item[open] .faq-ic::after{transform:translate(-50%,-50%) rotate(0)}
.faq-a{padding:0 20px 18px;color:var(--muted)}
.faq-a p{margin:0}
.faq-layout{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.faq-toc{position:sticky;top:100px;display:grid;gap:20px}
.faq-toc ul{list-style:none;display:grid;gap:6px;background:var(--alt);border-radius:var(--radius);padding:14px}
.faq-toc a{display:block;padding:8px 12px;border-radius:8px;font-weight:600;color:var(--navy)}
.faq-toc a:hover{background:#fff}
.faq-cat{margin-bottom:40px;scroll-margin-top:100px}
/* ---------- side boxes ---------- */
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:18px}
.side-cta{background:linear-gradient(150deg,var(--navy),var(--navy-2));color:#c9d8e8;border-radius:var(--radius);padding:24px;display:grid;gap:10px}
.side-cta h3{color:#fff;margin:0}.side-cta p{margin:0 0 6px}
.side-links{list-style:none;display:grid;gap:4px}
.side-links a{display:block;padding:6px 0;border-bottom:1px dashed var(--line);color:var(--ink)}
.side-links a:hover{color:var(--gold-2);padding-inline-start:4px}
/* ---------- product detail ---------- */
.pd-top{padding-top:48px}
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.pd-main{border-radius:var(--radius);box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.pd-badges{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pd-badges li{background:var(--gold-soft);color:#7d5f1b;font-weight:700;font-size:.8rem;border-radius:999px;padding:4px 12px}
.pd-info h1{font-size:clamp(1.8rem,3vw,2.5rem);margin-bottom:.3em}
.pd-btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pd-body{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.pd-sec{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:22px}
.pd-sec>h2{font-size:1.4rem;padding-bottom:12px;border-bottom:2px solid var(--gold-soft)}
.h-sm{font-size:1.05rem!important}
.pd-side{position:sticky;top:100px}
.spec-sheet{margin:22px 0 0;max-width:360px}
.spec-sheet img{border:1px solid var(--line);border-radius:10px;width:100%;height:auto}
.spec-sheet figcaption{font-size:.85rem;margin-top:6px;color:var(--navy-2)}
.app-chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.app-chips li{display:inline-flex;align-items:center;gap:8px;background:var(--alt);border-radius:999px;padding:8px 16px;font-weight:600;color:var(--navy)}
.app-chips .ic{color:var(--gold-2)}
.doc-list{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.doc-list li{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:.85rem;font-weight:600;color:var(--navy)}
.tag-list{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.tag-list a{display:inline-flex;align-items:center;gap:6px;background:var(--alt);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.84rem;color:var(--navy-2);transition:all .25s var(--ease)}
.tag-list a:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px}
.prev-next>a,.prev-next>span{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:border-color .25s,box-shadow .25s,transform .25s}
.prev-next>a:hover{border-color:var(--gold);box-shadow:var(--shadow);transform:translateY(-2px)}
.pn-next{text-align:end}
.pn-l{display:block;font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.prev-next strong{color:var(--navy);font-size:.95rem}
.prev-next .disabled{opacity:.5}
/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.news-side{position:sticky;top:100px}
.n-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.n-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s}
.n-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.n-img{display:block;aspect-ratio:4/3;overflow:hidden}
.n-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.n-card:hover .n-img img{transform:scale(1.06)}
.n-body{padding:20px;display:flex;flex-direction:column;flex:1}
.n-body>p:not(.n-meta){color:var(--muted);font-size:.93rem;flex:1}
.n-meta{display:flex;gap:10px;align-items:center;font-size:.82rem;color:var(--muted);margin-bottom:8px;flex-wrap:wrap}
.n-meta .p-cat{margin:0}
.n-title{font-size:1.15rem}.n-title a{color:var(--navy)}.n-title a:hover{color:var(--gold-2)}
.article{background:#fff;min-width:0}
.article-head h1{font-size:clamp(1.7rem,3vw,2.4rem)}
.article-img{margin:0 0 26px}.article-img img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%}
.article-body{font-size:1.05rem}
.article-body h2{font-size:1.4rem;margin-top:1.6em}
.article-body ul{padding-inline-start:1.3em;margin-bottom:1em}
.article-body li{margin-bottom:.4em}
.article-foot{margin-top:36px;padding-top:24px;border-top:1px solid var(--line);display:grid;gap:20px}
.back{font-size:.95rem}
/* ---------- pagination ---------- */
.pagination{margin-top:40px}
.pagination ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.pagination a,.pagination span{display:inline-flex;min-width:42px;height:42px;padding:0 12px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--navy);font-weight:600;transition:all .25s var(--ease)}
.pagination a:hover{border-color:var(--gold);color:var(--gold-2);transform:translateY(-2px)}
.pagination a.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.pagination .disabled{opacity:.45;cursor:not-allowed}
/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.c-cards{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:22px}
.c-card{width:100%;display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);text-align:start;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.c-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--gold);color:var(--ink)}
.c-ic{width:46px;height:46px;flex:none;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;background:var(--navy)}
.c-card.fc-wa .c-ic{background:var(--wa)}.c-card.fc-line .c-ic{background:var(--line-c)}.c-card.fc-tg .c-ic{background:var(--tg)}.c-card.fc-wx .c-ic{background:var(--wx)}.c-card.fc-tel .c-ic{background:var(--gold-2)}
.c-card.fc-wa,.c-card.fc-line,.c-card.fc-tg,.c-card.fc-wx,.c-card.fc-tel,.c-card.fc-mail{background:#fff}
.c-t{display:flex;flex-direction:column;min-width:0}
.c-t strong{color:var(--navy)}
.c-t span{font-size:.88rem;color:var(--muted);overflow-wrap:anywhere}
.live-btns{display:flex;flex-wrap:wrap;gap:8px}
/* ---------- forms ---------- */
.cta-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center}
.cta-list{list-style:none;display:grid;gap:10px;margin:20px 0 26px}
.cta-list li{display:flex;gap:10px;align-items:center;color:#e1eaf4}
.cta-list .ic{color:var(--gold)}
.cta-channels{display:flex;flex-wrap:wrap;gap:10px}
.form-card{background:#fff;color:var(--ink);border-radius:18px;padding:32px;box-shadow:var(--shadow-lg);border-top:4px solid var(--gold)}
.form-card h2,.form-card h3{color:var(--navy);font-size:1.4rem}
.form-sub{color:var(--muted);font-size:.93rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px;margin-bottom:18px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-weight:650;font-size:.88rem;color:var(--navy)}
.form-field input,.form-field textarea{width:100%;font:inherit;font-size:.95rem;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fbfcfd;color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,161,74,.15);background:#fff}
.form-field.invalid input,.form-field.invalid textarea{border-color:#d9534f}
.field-err{color:#c0392b;font-size:.8rem}
.form-note{display:flex;gap:6px;align-items:center;font-size:.82rem;color:var(--muted);margin:12px 0 0}
.seo-text p{color:var(--muted)}
/* ---------- footer ---------- */
.footer-cta{background:linear-gradient(135deg,var(--gold-2),#d9b765);color:#fff}
.fcta-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:34px;padding-bottom:34px;flex-wrap:wrap}
.fcta-in h2{color:#fff;font-size:1.6rem;margin-bottom:.2em}.fcta-in p{margin:0;color:#fff8e6}
.fcta-btns{display:flex;gap:10px;flex-wrap:wrap}
.fcta-btns .btn-gold{background:var(--navy)}
.site-footer{background:#061a2e;color:#9fb2c6;padding:64px 0 24px;font-size:.92rem}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
.ft-col h3{color:#fff;font-size:1rem;margin-bottom:16px}
.ft-col ul{list-style:none;display:grid;gap:8px}
.ft-col a,.ft-col .linklike{color:#b7c7d8}
.ft-col a:hover,.ft-col .linklike:hover{color:var(--gold)}
.ft-about p{margin-top:16px}
.ft-certs{font-size:.8rem;color:var(--gold)}
.ft-contact li{display:flex;gap:8px;align-items:flex-start;overflow-wrap:anywhere}
.ft-contact a{display:inline-flex;gap:8px;align-items:center}
address{font-style:normal}
.ft-entities{margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08)}
.ft-ent-h{font-size:.85rem;color:#fff;text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px}
.ft-entities ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px 18px}
.ft-entities a{color:#8ea3b9;font-size:.84rem}.ft-entities a:hover{color:var(--gold)}
.ft-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid rgba(255,255,255,.08);margin-top:24px;padding-top:20px;font-size:.84rem}
.ft-bottom p{margin:0}.ft-bottom a{color:#9fb2c6}
/* ---------- reveal animation ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .reveal{opacity:1;transform:none}}
/* ---------- RTL (Arabic) ---------- */
[dir=rtl] body{text-align:right}
[dir=rtl] .text-left{text-align:right}
[dir=rtl] .text-right{text-align:left}
[dir=rtl] .ind-card::before{transform-origin:right}
[dir=rtl] .main-nav a::after{left:12px;right:12px}
[dir=rtl] .hero-card{animation:none}
[dir=rtl] .spec-table th,[dir=rtl] .spec-table td,[dir=rtl] .info-table th,[dir=rtl] .info-table td{text-align:right}
[dir=rtl] .eyebrow,[dir=rtl] .p-cat,[dir=rtl] .pn-l,[dir=rtl] .ms-h,[dir=rtl] .ft-ent-h{letter-spacing:0}
[dir=rtl] .pn-next{text-align:left}
[dir=rtl] .lang-switch{padding:4px 10px 4px 8px}
/* ---------- responsive ---------- */
@media (max-width:1180px){
  .p-grid{grid-template-columns:repeat(3,1fr)}
  .cert-grid{grid-template-columns:repeat(5,1fr)}
  .main-nav a{padding:10px 8px;font-size:.9rem}
  .hide-md{display:none}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(11,42,74,.12);max-height:0;overflow:hidden;visibility:hidden;transition:max-height .35s var(--ease),visibility .35s}
  .main-nav.open{max-height:80vh;visibility:visible;overflow-y:auto}
  .main-nav ul{flex-direction:column;align-items:stretch;padding:10px 20px 18px;gap:2px}
  .main-nav a{padding:13px 10px;border-bottom:1px solid var(--line);font-size:1rem}
  .main-nav a::after{display:none}
  .main-nav .nav-cta{display:block;margin-top:10px}
  .main-nav .nav-cta a{border:0;color:#fff;width:100%}
  .nav-wrap{position:static}
  .site-header .container{position:relative}
  .hero-grid,.split,.cta-grid,.contact-grid,.pd-grid,.pd-body,.news-layout,.faq-layout,.fs-top{grid-template-columns:1fr}
  .hero{padding-top:48px}
  .hero-media{max-width:620px}
  .pd-side,.news-side,.faq-toc{position:static}
  .feature-grid,.feature-grid.four,.ind-grid,.testi-grid,.p-grid.three{grid-template-columns:repeat(2,1fr)}
  .region-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .topbar{font-size:.78rem}
  .tb-note{display:none}
  .topbar-in{justify-content:center}
  .tb-links{justify-content:center;gap:2px 14px}
  .tb-lab{display:none}
  .logo-text small{display:none}
  .logo-mark{width:38px;height:38px}
  .nav-wrap{min-height:64px;gap:10px}
  .lang-switch select{max-width:92px;font-size:.82rem}
  .p-grid,.p-grid.three{grid-template-columns:repeat(2,1fr);gap:14px}
  .p-body{padding:14px}
  .p-desc{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .feature-grid,.feature-grid.four,.ind-grid,.testi-grid,.region-grid,.steps,.n-grid,.c-cards,.form-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:repeat(3,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr}
  .prev-next{grid-template-columns:1fr}
  .pn-next{text-align:start}
  .form-card{padding:22px}
  .hero-card{inset-inline-start:10px;bottom:-14px}
  .exp-badge{inset-inline-end:10px}
  .section{padding:52px 0}
  .pd-sec{padding:20px}
  /* floating contact stays fully visible on phones/tablets */
  .float-contact{inset-inline-end:6px;gap:5px}
  .fc{width:50px;min-height:50px;padding:6px 2px;border-radius:12px}
  .fc .ic{width:24px;height:24px}
  .fc-t{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
  .wechat-pop{inset-inline-end:64px;width:min(260px,calc(100vw - 84px))}
  .container{padding:0 16px}
  body{padding-inline-end:0}
}
@media (max-width:380px){
  .p-grid,.p-grid.three{grid-template-columns:1fr}
  .btn-lg{padding:.85em 1.2em}
}
@media print{.float-contact,.back-top,.topbar,.nav-toggle,.footer-cta{display:none!important}}
[dir=rtl] .fs-stats strong{text-align:right}

.nav-open .float-contact,.nav-open .wechat-pop{opacity:0;visibility:hidden}
.float-contact{transition:opacity .25s,visibility .25s}
@media (max-width:767px){.hero-copy,.page-hero .container{padding-inline-end:58px}}
.pd-body>*,.news-layout>*,.contact-grid>*,.faq-layout>*,.cta-grid>*,.split>*,.hero-grid>*,.pd-grid>*{min-width:0}
.gal-item img{position:absolute;inset:0}
.gal-item.gal-big{aspect-ratio:auto;min-height:100%}
@media (max-width:980px){.gal-item.gal-big{aspect-ratio:8/3}}
@media (max-width:767px){.gal-item figcaption{font-size:.72rem;padding:18px 8px 6px;line-height:1.3}}