:root{--primary:#be185d;--primary-dark:#9d174d;--accent:#f5b301;--accent-soft:#fdf0c8;
--ink:#101828;--body:#3a4353;--muted:#5b6472;--bg:#ffffff;--bg-soft:#f4f6fa;--line:#e4e8f0;--radius:14px;
--topbar:#2b0a1c;--topbar-ink:#eef2f8}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--body);background:var(--bg);line-height:1.75;font-size:16px}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
/* ---------- topbar（深色，仿 tc-gaming） ---------- */
.topbar{background:var(--topbar);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(2,8,20,.35)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.topbar-right{display:flex;align-items:center;gap:14px}
.logo{font-size:21px;font-weight:800;color:#fff;letter-spacing:.5px;display:flex;flex-direction:column;line-height:1.15;white-space:nowrap}
.logo:hover{color:#fff;text-decoration:none}
.logo small{font-size:10.5px;color:var(--accent);font-weight:600;letter-spacing:2.5px;margin-top:3px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:2px}
.nav>.nav-item{position:relative}
.nav>.nav-item>a{color:#c6d0e2;font-size:15px;font-weight:500;padding:24px 14px;display:inline-flex;align-items:center;gap:6px;cursor:pointer;position:relative;transition:color .18s ease}
.nav>.nav-item>a::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .22s cubic-bezier(.4,0,.2,1)}
.nav>.nav-item>a:hover{color:#fff;text-decoration:none;background:transparent}
.nav>.nav-item>a:hover::after,.nav>.nav-item>a.active::after{transform:scaleX(1)}
.nav>.nav-item>a.active{color:#fff;text-decoration:none}
.nav>.nav-item>a .caret{width:11px;height:11px;opacity:.6;transition:transform .2s ease;flex:none}
.nav>.nav-item:hover>a .caret{transform:rotate(180deg);opacity:1}
.nav .submenu{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);min-width:216px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 48px rgba(6,14,30,.2);padding:10px;opacity:0;visibility:hidden;transition:opacity .2s ease,transform .2s cubic-bezier(.4,0,.2,1),visibility .2s;z-index:120}
.nav>.nav-item:hover>.submenu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav .submenu::before{content:"";position:absolute;top:-6px;left:0;right:0;height:6px}
.nav .submenu a{display:flex;align-items:center;gap:8px;padding:10px 14px;color:var(--ink);font-size:14px;font-weight:500;border-radius:9px;transition:background .15s ease,color .15s ease,transform .15s ease}
.nav .submenu a:hover{background:var(--bg-soft);color:var(--primary);text-decoration:none;transform:translateX(3px)}
.nav .cta{background:linear-gradient(135deg,var(--accent),#b8860b);color:#14100a;padding:9px 20px;border-radius:9px;font-weight:700;font-size:14.5px;letter-spacing:.5px;box-shadow:0 4px 14px rgba(0,0,0,.28);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;white-space:nowrap}
.nav .cta:hover{filter:brightness(1.08);text-decoration:none;transform:translateY(-1px);box-shadow:0 6px 18px rgba(0,0,0,.34)}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.35);border-radius:8px;padding:7px 10px;cursor:pointer;color:#fff;width:40px;height:40px;align-items:center;justify-content:center;transition:background .15s ease}
.menu-btn:hover{background:rgba(255,255,255,.1)}
/* ---------- hero ---------- */
.hero{padding:88px 0 72px;text-align:center;position:relative;overflow:hidden}
.hero.dark{background:radial-gradient(1100px 500px at 50% -120px,rgba(255,255,255,.09),transparent 60%),linear-gradient(150deg,var(--topbar) 0%,var(--primary-dark) 100%);color:#fff}
.hero.light{background:linear-gradient(160deg,#fdeaf3 0%,#fef8fb 100%)}
.hero .wrap{position:relative;z-index:2}
.hero .eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:3px;margin-bottom:16px;text-transform:uppercase}
.hero.light .eyebrow{color:var(--primary)}
.hero h1{font-size:42px;font-weight:800;line-height:1.28;margin-bottom:18px;letter-spacing:.5px}
.hero.light h1{color:var(--ink)}
.hero p.sub{font-size:17.5px;color:#c6cfdd;max-width:730px;margin:0 auto 32px}
.hero.light p.sub{color:var(--muted)}
.hero .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 34px;border-radius:10px;font-size:16px;font-weight:700;transition:transform .18s,box-shadow .18s}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#b8860b);color:#14100a;box-shadow:0 8px 22px rgba(0,0,0,.22)}
.hero.light .btn-primary,.pagehead .btn-primary,.ctaband .btn-primary{background:var(--primary);color:#fff}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:transparent}
.hero.light .btn-ghost{border-color:var(--primary);color:var(--primary);background:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero.light .btn-ghost:hover{background:var(--primary);color:#fff}
/* ---------- page banner ---------- */
.pagehead{background:linear-gradient(160deg,#fdeaf3 0%,#fef8fb 100%);padding:46px 0 42px;border-bottom:1px solid var(--line)}
.pagehead .crumb{font-size:13px;color:var(--muted);margin-bottom:10px}
.pagehead .crumb a{color:var(--muted)}
.pagehead h1{font-size:31px;color:var(--ink);font-weight:800}
.pagehead p.sub{color:var(--muted);margin-top:8px;font-size:15px;max-width:760px}
/* ---------- stats（深色带金数字） ---------- */
.stats{background:var(--topbar);color:#fff;padding:38px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stats .num{font-size:34px;font-weight:800;line-height:1.2;color:var(--accent);font-variant-numeric:tabular-nums}
.stats .lab{font-size:13px;opacity:.8;margin-top:4px;letter-spacing:1px}
/* ---------- sections ---------- */
.section{padding:60px 0}
.section.soft{background:var(--bg-soft)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:2px;margin-bottom:8px}
.hero .eyebrow{letter-spacing:3px}
.sec-title{font-size:29px;color:var(--ink);font-weight:800;margin-bottom:10px}
.sec-desc{color:var(--muted);max-width:740px;margin-bottom:36px}
/* ---------- cards ---------- */
.grid{display:grid;gap:22px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 1px 3px rgba(15,35,75,.05);transition:border-color .2s,box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 12px 30px rgba(15,35,75,.10);border-color:var(--accent);transform:translateY(-3px)}
.card h3{font-size:18px;color:var(--ink);margin-bottom:10px;font-weight:700}
.card p{font-size:14.5px;color:var(--muted)}
.card .more{display:inline-block;margin-top:14px;font-size:14px;font-weight:700;color:var(--primary)}
.card .ico{width:46px;height:46px;border-radius:11px;background:#fadce9;display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.card .ico svg{width:23px;height:23px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card .ico.emo{font-size:22px}
/* ---------- product matrix（仿 cg-game 产品矩阵） ---------- */
.prodmatrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prodcat{background:#fff;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:var(--radius);padding:24px 24px 20px;transition:box-shadow .2s,transform .2s}
.prodcat:hover{box-shadow:0 12px 30px rgba(15,35,75,.10);transform:translateY(-3px)}
.prodcat h3{font-size:17.5px;color:var(--ink);font-weight:800;display:flex;align-items:center;gap:9px;margin-bottom:6px}
.prodcat h3 svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.prodcat .pcat-sub{font-size:13px;color:var(--muted);margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:var(--bg-soft);border:1px solid var(--line);color:var(--body);font-size:13px;padding:4px 12px;border-radius:999px;font-weight:500}
.chip.hl{background:var(--accent);border-color:var(--accent);color:#14100a;font-weight:700}
/* ---------- trust band（信任徽标） ---------- */
.trustband{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0}
.trustband .wrap{display:flex;flex-wrap:wrap;gap:12px 34px;align-items:center;justify-content:center}
.trust-item{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;font-weight:600}
.trust-item svg{width:17px;height:17px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.trust-item b{color:var(--ink)}
/* ---------- article ---------- */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:42px 46px;max-width:880px;margin:0 auto}
.article h2{font-size:23px;color:var(--ink);margin:34px 0 14px;font-weight:800;padding-bottom:8px;border-bottom:2px solid var(--accent-soft)}
.article h2:first-child{margin-top:0}
.article h3{font-size:18px;color:var(--ink);margin:24px 0 10px;font-weight:700}
.article p{margin:0 0 14px}
.article ul,.article ol{margin:0 0 16px 22px}
.article li{margin-bottom:8px}
.article blockquote{border-left:4px solid var(--accent);background:var(--bg-soft);padding:14px 18px;border-radius:0 8px 8px 0;margin:0 0 16px;color:var(--muted)}
.article table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:14.5px}
.article th{background:var(--bg-soft);color:var(--ink);text-align:left;padding:10px 12px;border:1px solid var(--line)}
.article td{padding:10px 12px;border:1px solid var(--line)}
.article .meta{font-size:13px;color:var(--muted);margin-bottom:22px;padding-bottom:14px;border-bottom:1px solid var(--line)}
/* ---------- faq ---------- */
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 22px;margin-bottom:12px}
.faq summary{font-weight:700;color:var(--ink);cursor:pointer;font-size:16px}
.faq details p{margin-top:12px;color:var(--muted);font-size:15px}
/* ---------- news list ---------- */
.news-item{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;margin-bottom:16px;transition:box-shadow .2s,border-color .2s}
.news-item:hover{box-shadow:0 10px 26px rgba(15,35,75,.10);border-color:var(--accent);text-decoration:none}
.news-item .date{font-size:13px;color:var(--accent);font-weight:700}
.news-item h3{color:var(--ink);font-size:19px;margin:6px 0 8px}
.news-item p{color:var(--muted);font-size:14.5px}
/* ---------- cta band（深色金按钮） ---------- */
.ctaband{background:radial-gradient(900px 380px at 50% -80px,rgba(255,255,255,.08),transparent 60%),linear-gradient(140deg,var(--topbar),var(--primary-dark));color:#fff;padding:58px 0;text-align:center}
.ctaband h2{font-size:27px;font-weight:800;margin-bottom:12px}
.ctaband p{opacity:.88;margin-bottom:26px}
.ctaband .btn{background:linear-gradient(135deg,var(--accent),#b8860b);color:#14100a;box-shadow:0 8px 22px rgba(0,0,0,.25)}
.ctaband .btn:hover{filter:brightness(1.08)}
/* ---------- pricing ---------- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px}
.pricing-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 26px;position:relative;display:flex;flex-direction:column}
.pricing-card.hot{border:2px solid var(--accent);box-shadow:0 10px 30px rgba(15,35,75,.10)}
.pricing-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--accent);color:#14100a;font-size:12px;font-weight:800;padding:3px 14px;border-radius:20px}
.pricing-name{font-size:18px;font-weight:800;color:var(--ink)}
.pricing-price{font-size:40px;font-weight:800;color:var(--primary);margin:14px 0 6px;font-variant-numeric:tabular-nums}
.pricing-price .cur{font-size:20px;margin-right:2px}
.pricing-price .unit{font-size:14px;font-weight:500;color:var(--muted)}
.pricing-desc{color:var(--muted);font-size:14px;margin-bottom:16px}
.pricing-card ul{list-style:none;margin:0 0 22px}
.pricing-card li{padding:8px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--body)}
.pricing-card li::before{content:"✓ ";color:var(--accent);font-weight:800}
.pricing-card .btn{margin-top:auto;text-align:center}
/* ---------- footer（深色） ---------- */
footer{background:var(--topbar);color:#aeb9cb;padding:52px 0 30px;font-size:14px}
.ft-cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px;margin-bottom:28px}
.ft-cols h4{color:#fff;font-size:15px;margin-bottom:13px;letter-spacing:1px}
.ft-cols a{color:#aeb9cb;display:block;margin-bottom:8px}
.ft-cols a:hover{color:var(--accent)}
.ft-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
.ft-brand small{display:block;font-size:10.5px;color:var(--accent);letter-spacing:2.5px;font-weight:600;margin-top:4px;text-transform:uppercase}
.ft-contact{padding:15px 0;border-top:1px solid rgba(255,255,255,.14)}
.ft-contact a{font-weight:700;color:var(--accent)}
.ft-disc{font-size:12.5px;color:#8d99ad;line-height:1.7;margin-top:10px;border-top:1px solid rgba(255,255,255,.14);padding-top:14px}
.ft-copy{font-size:12.5px;color:#77839a;margin-top:14px}
/* ---------- bilingual toggle ---------- */
.lang-btn{border:1.5px solid var(--accent);color:var(--accent);background:transparent;border-radius:8px;padding:6px 14px;font-weight:700;cursor:pointer;font-size:13px;letter-spacing:.5px}
.lang-btn:hover{background:var(--accent);color:#14100a}
.lang-en{display:none}
html.en .lang-zh{display:none}
html.en .lang-en{display:block}
/* ---------- responsive ---------- */
@media(max-width:920px){
.nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--topbar);flex-direction:column;align-items:flex-start;padding:14px 22px 20px;gap:2px;border-bottom:1px solid rgba(255,255,255,.12);box-shadow:0 14px 30px rgba(2,8,20,.4);max-height:75vh;overflow-y:auto}
.nav.open{display:flex}
.nav>.nav-item{width:100%}
.nav>.nav-item>a{display:flex;justify-content:space-between;width:100%;padding:13px 10px;font-size:16px}
.nav>.nav-item>a::after{display:none}
.nav>.nav-item>a.active{background:rgba(255,255,255,.08);border-radius:8px}
.nav .submenu{position:static;transform:none;min-width:0;background:rgba(255,255,255,.05);border:none;box-shadow:none;padding:2px 0 6px 14px;display:none;opacity:1;visibility:visible}
.nav>.nav-item.open>.submenu{display:block}
.nav .submenu a{color:#cfd8e6;padding:11px 14px;transform:none}
.nav .submenu a:hover{transform:none}
.nav .cta{margin-top:10px;text-align:center;justify-content:center;width:100%}
.menu-btn{display:flex}
.hero{padding:56px 0 50px}
.hero h1{font-size:30px}
.stats .wrap{grid-template-columns:repeat(2,1fr)}
.grid.c3,.grid.c2{grid-template-columns:1fr}
.prodmatrix{grid-template-columns:1fr}
.pricing{grid-template-columns:1fr}
.article{padding:28px 20px}
.ft-cols{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){.ft-cols{grid-template-columns:1fr}.hero h1{font-size:26px}}