@charset "UTF-8";
/*!
 * MatMaster 站点公共样式 / Site stylesheet
 * 由 index.html / cn.html / tw.html 内联 <style> 抽取而来，三语共用
 * 路径：/assets/matmaster/css/main.css
 */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#1a3a6b;--blue-dark:#0f2447;--blue-light:#e8eef7;
  --yellow:#ffd400;--red:#e53030;--green:#06a94d;
  --black:#0a0a0a;--gray:#6b7280;--gray-light:#f4f5f7;--white:#fff;
  --shadow:0 4px 0 var(--black);--border:2px solid var(--black);
}
html{scroll-behavior:smooth}
body{font-family:'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--black);background:var(--white);line-height:1.5;font-size:15px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-weight:900;letter-spacing:-.02em;text-transform:uppercase}
.section{padding:80px 0}
.eyebrow{display:inline-block;background:var(--yellow);border:var(--border);padding:4px 12px;font-weight:900;font-size:12px;letter-spacing:.1em;margin-bottom:16px;box-shadow:var(--shadow)}
h2{font-size:clamp(28px,4vw,44px);line-height:1.1;margin-bottom:16px}
.lead{font-size:17px;color:var(--gray);max-width:720px;margin-bottom:40px}
/* ===== Ticker (skew yellow) ===== */
.ticker-wrap{position:fixed;top:70px;left:-5%;width:110%;height:46px;background:var(--yellow);border-top:var(--border);border-bottom:var(--border);z-index:998;transform:rotate(-2.5deg);overflow:hidden;pointer-events:none;box-shadow:0 3px 0 rgba(0,0,0,.15)}
.ticker-track{display:flex;align-items:center;height:100%;white-space:nowrap;animation:tickerScroll 30s linear infinite;transform:skewX(-6deg)}
.ticker-track span{display:inline-block;padding:0 24px;font-weight:900;font-size:14px;letter-spacing:.05em;transform:skewX(6deg)}
@keyframes tickerScroll{0%{transform:translateX(0) skewX(-6deg)}100%{transform:translateX(-50%) skewX(-6deg)}}
/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;height:62px;background:var(--white);border-bottom:var(--border);z-index:1000;display:flex;align-items:center}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.01em}
.logo-mark{width:36px;height:36px;background:var(--blue);color:var(--yellow);display:grid;place-items:center;font-weight:900;font-size:18px;border:var(--border);box-shadow:3px 3px 0 var(--black)}
.logo-cn{font-weight:400;font-size:13px;color:var(--gray);margin-left:6px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.04em;position:relative}
.nav-links a:hover{color:var(--blue)}
.nav-cta{background:var(--blue);color:var(--white)!important;padding:8px 18px;border:var(--border);box-shadow:3px 3px 0 var(--black);transition:transform .16s}
.nav-cta:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--black)}
.lang-switch{display:flex;gap:4px;margin-left:12px;border:var(--border);padding:3px}
.lang-switch a{font-size:12px;font-weight:900;padding:4px 8px;background:var(--white);color:var(--black)}
.lang-switch a.active{background:var(--blue);color:var(--yellow)}
.menu-btn{display:none;width:36px;height:36px;border:var(--border);place-items:center;background:var(--white)}
/* ===== HERO ===== */
.hero{padding-top:160px;padding-bottom:80px;background:var(--gray-light);border-bottom:var(--border);position:relative}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-kicker{display:inline-block;background:var(--red);color:var(--white);padding:6px 14px;font-weight:900;font-size:12px;letter-spacing:.12em;border:var(--border);box-shadow:3px 3px 0 var(--black);margin-bottom:20px}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.02;margin-bottom:20px}
.hero-sub{font-size:17px;color:#333;margin-bottom:28px;max-width:540px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 28px;font-weight:900;font-size:15px;letter-spacing:.04em;border:var(--border);transition:transform .16s}
.btn-primary{background:var(--blue);color:var(--white);box-shadow:4px 4px 0 var(--black)}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--black)}
.btn-outline{background:var(--white);color:var(--black);box-shadow:4px 4px 0 var(--black)}
.btn-outline:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--black)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px;border:var(--border)}
.hero-stat{padding:20px 16px;background:var(--white);border-right:var(--border);text-align:center}
.hero-stat:last-child{border-right:none}
.hero-stat-num{display:block;font-size:32px;font-weight:900;color:var(--blue);line-height:1}
.hero-stat-lbl{display:block;font-size:12px;font-weight:700;color:var(--gray);margin-top:6px;text-transform:uppercase;letter-spacing:.04em}
.hero-strip{margin-top:24px;background:var(--red);color:var(--white);border:var(--border);padding:14px 24px;display:flex;gap:32px;justify-content:center;flex-wrap:wrap;font-weight:900;text-transform:uppercase;transform:rotate(-1deg);box-shadow:4px 4px 0 var(--black)}
.hero-strip span{display:flex;align-items:center;gap:8px}
.hero-strip b{color:var(--yellow);font-size:24px}
.hero-visual{position:relative}
.hero-img{width:100%;aspect-ratio:1;border:var(--border);box-shadow:8px 8px 0 var(--black);object-fit:cover;background:var(--blue-light)}
.hero-badge{position:absolute;top:-18px;right:-18px;background:var(--red);color:var(--white);padding:10px 16px;border:var(--border);font-weight:900;font-size:13px;letter-spacing:.06em;transform:rotate(6deg);box-shadow:3px 3px 0 var(--black)}
/* ===== FLAGSHIP MAHJONG ===== */
.flagship{background:var(--blue-dark);color:var(--white);padding:80px 0}
.flagship .eyebrow{background:var(--yellow);color:var(--black)}
.flagship h2{color:var(--white)}
.flagship .lead{color:#a8b5cc}
.flagship-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;margin-top:40px}
.flagship-benefits{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.flagship-benefit{padding:14px;border:2px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);font-weight:700;font-size:14px;display:flex;align-items:center;gap:10px}
.flagship-benefit::before{content:"◆";color:var(--yellow);font-size:12px;flex-shrink:0}
/* Gallery */
.gallery{margin-top:40px}
.gallery-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.gallery-item{aspect-ratio:1;border:2px solid rgba(255,255,255,.3);overflow:hidden;position:relative;background:#1a3a6b;transition:transform .2s}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.gallery-item:hover img{transform:scale(1.08)}
.gallery-item:hover{border-color:var(--yellow)}
/* ===== PRODUCTS ===== */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.prod-card{border:var(--border);padding:24px;background:var(--white);box-shadow:4px 4px 0 var(--black);transition:transform .16s}
.prod-card.featured{background:var(--yellow);grid-column:span 1}
.prod-card-num{font-size:12px;font-weight:900;color:var(--blue);letter-spacing:.1em;margin-bottom:8px}
.prod-card.featured .prod-card-num{color:var(--red)}
.prod-card h3{font-size:18px;margin-bottom:8px}
.prod-card p{font-size:14px;color:var(--gray)}
.prod-card.featured p{color:#3a2a00}
/* ===== WHY ===== */
.why{background:var(--gray-light)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.why-card{background:var(--white);border:var(--border);padding:28px 22px;box-shadow:4px 4px 0 var(--black)}
.why-card-ico{width:48px;height:48px;background:var(--blue);color:var(--yellow);display:grid;place-items:center;font-size:24px;font-weight:900;border:var(--border);margin-bottom:16px}
.why-card h3{font-size:17px;margin-bottom:8px;text-transform:none;letter-spacing:0}
.why-card p{font-size:14px;color:var(--gray)}
/* ===== CALC ===== */
.calc{background:var(--white)}
.calc-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:40px}
.calc-form{background:var(--gray-light);border:var(--border);padding:28px;box-shadow:5px 5px 0 var(--black)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.05em;color:var(--blue)}
.form-group input,.form-group select{padding:10px 12px;border:var(--border);font-family:inherit;font-size:14px;background:var(--white);font-weight:700}
.form-group input:focus,.form-group select:focus{outline:3px solid var(--yellow);outline-offset:-1px}
.calc-btn{width:100%;margin-top:8px;padding:14px;background:var(--blue);color:var(--white);font-weight:900;font-size:15px;border:var(--border);box-shadow:4px 4px 0 var(--black);letter-spacing:.05em}
.calc-btn:hover{background:var(--blue-dark)}
.presets{margin-top:18px;border-top:2px dashed #cbd5e1;padding-top:14px}
.presets-lbl{font-size:12px;font-weight:900;color:var(--gray);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}
.preset-btns{display:flex;flex-wrap:wrap;gap:8px}
.preset-btn{padding:6px 12px;background:var(--white);border:var(--border);font-size:12px;font-weight:700}
.preset-btn:hover{background:var(--yellow)}
.calc-result{background:var(--blue-dark);color:var(--white);border:var(--border);padding:28px;box-shadow:5px 5px 0 var(--black)}
.calc-result h3{font-size:20px;margin-bottom:16px;color:var(--yellow)}
.result-lines{display:flex;flex-direction:column;gap:10px}
.result-line{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.2);font-size:14px}
.result-line b{color:var(--yellow);font-weight:900}
.result-line.total{border-top:2px solid var(--yellow);border-bottom:2px solid var(--yellow);padding:12px 0;font-size:16px;margin-top:6px}
.result-line.total b{font-size:20px}
.ship-block{margin-top:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);padding:12px}
.ship-block h4{font-size:13px;color:var(--yellow);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}
.ship-note{font-size:12px;color:#a8b5cc;margin-top:12px;line-height:1.5}
.inquiry-btn{display:block;width:100%;margin-top:16px;padding:14px;background:var(--yellow);color:var(--black);font-weight:900;font-size:14px;border:var(--border);box-shadow:3px 3px 0 #000;text-align:center;letter-spacing:.05em}
.inquiry-btn:hover{background:#fff}
/* ===== LOGISTICS ===== */
.logistics{background:var(--gray-light)}
.log-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
.log-card{background:var(--white);border:var(--border);padding:32px;box-shadow:5px 5px 0 var(--black)}
.log-card h3{font-size:22px;margin-bottom:12px}
.log-card p{color:var(--gray);margin-bottom:16px}
.log-tags{display:flex;flex-wrap:wrap;gap:8px}
.log-tag{background:var(--blue-light);color:var(--blue);padding:4px 10px;font-size:12px;font-weight:900;border:1px solid var(--blue)}
/* ===== QR SECTION ===== */
.qr-section{background:var(--white);border-top:var(--border)}
.qr-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;margin-top:40px}
.qr-card{border:var(--border);padding:24px;background:var(--white);box-shadow:5px 5px 0 var(--black);display:flex;flex-direction:column}
.qr-card.qr-wa{background:#0a0a0a;color:#fff}
.qr-card.qr-wa h3,.qr-card.qr-wa p{color:#fff}
.qr-card.qr-line{background:#fff}
.qr-card.qr-follow{background:var(--blue-light)}
.qr-badge{display:inline-block;padding:4px 10px;font-size:11px;font-weight:900;letter-spacing:.08em;margin-bottom:10px;border:var(--border)}
.qr-badge.wa{background:#25d366;color:#fff;border-color:#25d366}
.qr-badge.line{background:#06c755;color:#fff;border-color:#06c755}
.qr-badge.follow{background:var(--blue);color:var(--yellow)}
.qr-card h3{font-size:18px;margin-bottom:6px;letter-spacing:0;text-transform:none}
.qr-card > p{font-size:13px;color:var(--gray);margin-bottom:16px}
.qr-img-wrap{flex:1;display:flex;align-items:center;justify-content:center;background:#fff;border:var(--border);padding:12px;min-height:280px}
.qr-img-wrap img{max-width:100%;max-height:420px;width:auto;height:auto}
.qr-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.qr-list li{font-size:13px;font-weight:700;padding:8px 12px;background:#fff;border:var(--border)}
.qr-list a:hover{color:var(--blue)}
/* ===== FOOTER ===== */
.foot{background:var(--blue-dark);color:#c8d2e6;padding:60px 0 24px;border-top:6px solid var(--yellow)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr 1.4fr;gap:40px;margin-bottom:40px}
.foot h4{color:var(--yellow);font-size:13px;letter-spacing:.1em;margin-bottom:14px}
.foot p{font-size:13px;line-height:1.7;margin-bottom:10px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.foot ul a{font-size:13px;color:#c8d2e6}
.foot ul a:hover{color:var(--yellow)}
.social-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.social-icon{width:38px;height:38px;display:grid;place-items:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);transition:all .16s}
.social-icon:hover{background:var(--yellow);border-color:var(--yellow)}
.social-icon svg{width:18px;height:18px;fill:#fff}
.social-icon:hover svg{fill:var(--black)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;font-size:12px;color:#8b98b0;text-align:center}
/* ===== WA FAB ===== */
.wa-fab{position:fixed;bottom:28px;right:28px;z-index:999;width:60px;height:60px;border-radius:50%;background:#25d366;border:var(--border);display:grid;place-items:center;box-shadow:0 6px 20px rgba(37,211,102,.5);animation:wabounce 2s ease-in-out infinite}
.wa-fab svg{width:32px;height:32px;fill:#fff}
@keyframes wabounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* ===== RESPONSIVE ===== */
@media (max-width:900px){
  .ticker-wrap{top:62px;height:40px}
  .hero{padding-top:140px}
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .hero-visual{order:-1}
  .hero-badge{right:12px;top:-12px}
  .flagship-grid,.calc-wrap,.log-grid{grid-template-columns:1fr;gap:28px}
  .gallery-grid{grid-template-columns:repeat(3,1fr)}
  .prod-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr 1fr}
  .qr-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-links{display:none}
  .menu-btn{display:grid}
  .hero-strip{gap:14px;font-size:13px;padding:10px 16px}
  .hero-strip b{font-size:18px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stat{border-right:none;border-bottom:var(--border)}
  .hero-stat:nth-child(2n){border-right:var(--border)}
  .hero-stat:nth-last-child(-n+2){border-bottom:none}
}
@media (max-width:560px){
  .prod-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .logo-cn{display:none}
  .section{padding:56px 0}
}
/* Mobile menu */
.mob-menu{display:none;position:fixed;top:62px;left:0;right:0;background:var(--white);border-bottom:var(--border);z-index:999;padding:16px 24px;flex-direction:column;gap:16px;box-shadow:0 6px 0 var(--black)}
.mob-menu.open{display:flex}
.mob-menu a{font-weight:900;font-size:16px;padding:8px 0;border-bottom:1px dashed #ddd}
.mob-menu a:last-child{border-bottom:none}

/* ===== INQUIRY FORM ===== */
.inq-form{background:var(--white);border:var(--border);padding:32px;box-shadow:6px 6px 0 var(--black);margin-top:28px}
.inq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.inq-field{display:flex;flex-direction:column;gap:6px}
.inq-field.full{grid-column:1/-1}
.inq-field label{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.05em;color:var(--blue)}
.inq-field label .req{color:var(--red);margin-left:2px}
.inq-field input,.inq-field select,.inq-field textarea{
  padding:11px 13px;border:var(--border);font-family:inherit;font-size:14px;background:var(--gray-light);font-weight:600;color:var(--black);border-radius:0;
}
.inq-field textarea{resize:vertical;min-height:110px;line-height:1.6}
.inq-field input:focus,.inq-field select:focus,.inq-field textarea:focus{outline:3px solid var(--yellow);outline-offset:-1px;background:var(--white)}
.inq-check{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--yellow);border:var(--border);margin:8px 0 18px;font-weight:700;font-size:13px;cursor:pointer;user-select:none}
.inq-check input{width:18px;height:18px;accent-color:var(--blue);cursor:pointer}
.inq-submit{width:100%;padding:16px;background:var(--blue);color:var(--yellow);font-weight:900;font-size:16px;border:var(--border);box-shadow:4px 4px 0 var(--black);letter-spacing:.08em;cursor:pointer;text-transform:uppercase;transition:transform .16s}
.inq-submit:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--black);background:var(--red);color:var(--white)}
.inq-submit:disabled{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:4px 4px 0 var(--black)!important}
.inq-err{display:none;background:var(--red);color:#fff;padding:10px 14px;border:var(--border);margin-bottom:14px;font-weight:700;font-size:13px}
.inq-err.show{display:block}
/* Success modal */
.inq-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:10000;align-items:center;justify-content:center;padding:20px}
.inq-modal.show{display:flex}
.inq-modal-box{background:var(--white);border:var(--border);box-shadow:8px 8px 0 var(--black);max-width:520px;width:100%;padding:32px;position:relative}
.inq-modal-box h3{font-size:22px;margin-bottom:12px;color:var(--blue)}
.inq-modal-box p{font-size:14px;line-height:1.7;margin-bottom:10px;font-weight:600}
.inq-ref{background:var(--yellow);border:var(--border);padding:10px 14px;font-family:'Courier New',monospace;font-weight:900;font-size:15px;text-align:center;margin:12px 0;letter-spacing:.1em}
.inq-modal-close{position:absolute;top:12px;right:12px;width:36px;height:36px;background:var(--black);color:#fff;border:none;font-weight:900;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.inq-modal-close:hover{background:var(--red)}
/* Admin panel */
.admin-panel{display:none;position:fixed;inset:0;background:rgba(0,0,0,.75);z-index:10001;padding:20px;overflow:auto}
.admin-panel.show{display:block}
.admin-box{background:var(--white);border:var(--border);box-shadow:8px 8px 0 var(--black);max-width:1200px;margin:0 auto;padding:28px;position:relative}
.admin-box h3{font-size:22px;margin-bottom:6px;color:var(--blue)}
.admin-sub{font-size:13px;color:var(--gray);margin-bottom:14px;font-weight:600}
.admin-actions{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.admin-stat{background:var(--blue);color:var(--yellow);padding:8px 14px;font-weight:900;border:var(--border)}
.admin-btn{padding:8px 14px;font-weight:900;font-size:13px;border:var(--border);cursor:pointer;font-family:inherit;letter-spacing:.04em;text-transform:uppercase}
.admin-btn.exp{background:var(--yellow);color:var(--black)}
.admin-btn.exp:hover{background:var(--white)}
.admin-btn.clr{background:var(--red);color:#fff}
.admin-btn.clr:hover{background:#8a0000}
.admin-close{margin-left:auto;background:var(--black);color:#fff}
.admin-close:hover{background:var(--red)}
.admin-tip{margin-top:14px;font-size:12px;color:var(--gray);border-top:2px solid var(--gray-light);padding-top:14px;font-weight:600}
.admin-table-wrap{overflow-x:auto;border:var(--border)}
.admin-table{width:100%;border-collapse:collapse;font-size:12px}
.admin-table th,.admin-table td{border:1px solid var(--gray-light);padding:8px 10px;text-align:left;vertical-align:top;word-break:break-word}
.admin-table th{background:var(--blue);color:var(--yellow);font-weight:900;text-transform:uppercase;font-size:11px;letter-spacing:.04em;white-space:nowrap}
.admin-table tr:nth-child(even) td{background:var(--gray-light)}
.admin-empty{padding:40px;text-align:center;font-weight:700;color:var(--gray);font-size:14px}
.admin-rowcalc{font-family:'Courier New',monospace;font-size:11px;white-space:pre-wrap;background:#fafafa;padding:6px;max-width:280px;max-height:100px;overflow:auto}
@media(max-width:768px){
  .inq-grid{grid-template-columns:1fr}
  .inq-form{padding:20px}
  .admin-box{padding:18px}
}