:root{--bg:#071018;--panel:#0d1c24;--panel2:#102b2b;--gold:#d7b05a;--gold2:#f1d48a;--text:#f4f1e8;--muted:#b9b2a2;--line:rgba(215,176,90,.28);--jade:#0f4b40;--red:#6c1c1d;--shadow:0 22px 60px rgba(0,0,0,.38)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei",Arial,sans-serif;background:radial-gradient(circle at 20% 0,#14362f 0,#071018 36%,#05090d 100%);color:var(--text);line-height:1.75}body:before{content:"";position:fixed;inset:0;background:linear-gradient(90deg,rgba(215,176,90,.04) 1px,transparent 1px),linear-gradient(180deg,rgba(215,176,90,.03) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(circle at 50% 0,#000 0,transparent 70%);pointer-events:none;z-index:-1}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.container{width:min(1180px,92vw);margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(5,10,14,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;min-width:210px}.brand img{width:236px;height:58px;object-fit:contain;filter:drop-shadow(0 8px 14px rgba(0,0,0,.35));border-radius:0;background:transparent}.main-nav{display:flex;align-items:center;gap:6px}.main-nav a{padding:10px 15px;border-radius:999px;color:#e9dfc5;font-size:15px;white-space:nowrap}.main-nav a:hover{background:rgba(215,176,90,.13);color:#fff}.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:42px;padding:8px}.nav-toggle span{display:block;height:2px;background:var(--gold2);margin:5px 0;border-radius:4px}.hero{padding:42px 0 34px}.hero-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:center;border:1px solid var(--line);border-radius:30px;padding:26px;background:linear-gradient(135deg,rgba(16,43,43,.9),rgba(6,12,18,.92));box-shadow:var(--shadow);overflow:hidden;position:relative}.hero-wrap:before{content:"";position:absolute;inset:-2px;background:radial-gradient(circle at 80% 20%,rgba(215,176,90,.18),transparent 35%);pointer-events:none}.hero-wrap:after{content:attr(data-noise);position:absolute;right:24px;bottom:12px;color:rgba(215,176,90,.13);font-size:12px;letter-spacing:.3em}.hero-text{position:relative;z-index:1}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--gold2);font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"♠";color:var(--gold)}h1{font-size:clamp(38px,6vw,76px);line-height:1.08;margin:18px 0;color:var(--gold2);letter-spacing:.02em;text-shadow:0 5px 18px rgba(0,0,0,.35)}.lead{font-size:18px;color:#dfd4ba;margin:0 0 24px;max-width:610px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:12px;background:linear-gradient(135deg,#d7ad52,#8c6424);color:#101010;font-weight:800;box-shadow:0 10px 24px rgba(215,176,90,.18)}.btn.ghost{background:rgba(255,255,255,.04);color:var(--gold2);border:1px solid var(--line);box-shadow:none}.hero-image{position:relative;z-index:1;border-radius:24px;overflow:hidden;border:1px solid rgba(215,176,90,.3);background:#05090d}.hero-image img{width:100%;aspect-ratio:16/9;object-fit:contain;background:#081015}.section{padding:46px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head h1,.section-head h2{font-size:32px;margin:0;color:var(--gold2)}.section-head p{max-width:680px;margin:8px 0 0;color:var(--muted)}.text-link{color:var(--gold2);font-weight:700;border-bottom:1px solid var(--line)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.align-start{align-items:start}.text-panel,.image-panel,.guide-card,.faq-item,.install-card,.disclaimer,.article-card,.side-box,.route-card{background:rgba(13,28,36,.84);border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 34px rgba(0,0,0,.24)}.text-panel{padding:28px;min-height:100%}.text-panel h2,.text-panel h3{margin-top:0;color:var(--gold2)}.text-panel p{color:#ded6c4;margin:0 0 15px}.image-panel{padding:12px;overflow:hidden}.image-panel img{border-radius:16px;width:100%;aspect-ratio:4/3;object-fit:cover}.page-cover img{aspect-ratio:16/5;object-fit:cover}.route-section{padding-top:22px}.route-line{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}.route-card{padding:22px;min-height:178px;position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(17,60,51,.86),rgba(8,18,24,.96))}.route-card:before{content:attr(data-step);display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:rgba(215,176,90,.14);border:1px solid var(--line);color:var(--gold2);font-weight:900;margin-bottom:14px}.route-card:after{content:"◆";position:absolute;right:18px;top:16px;color:rgba(215,176,90,.18)}.route-card strong{display:block;color:var(--gold2);font-size:20px;margin-bottom:8px}.route-card p{margin:0;color:var(--muted)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.trust-card{padding:22px;background:linear-gradient(180deg,rgba(17,60,51,.86),rgba(9,20,26,.94));border:1px solid var(--line);border-radius:22px;min-height:208px}.trust-card .icon{font-size:34px;color:var(--gold2)}.trust-card h3{color:var(--gold2);margin:10px 0}.trust-card p{color:var(--muted);margin:0}.install-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.install-card{padding:22px}.install-card strong{display:block;color:var(--gold2);font-size:20px;margin-bottom:8px}.install-card p{color:var(--muted);margin:0}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}.article-card{overflow:hidden;display:flex;flex-direction:column;min-height:100%;position:relative}.article-card:before{content:"";position:absolute;inset:0;border-radius:22px;pointer-events:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.02)}.article-card .thumb{background:#071018;display:block}.article-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.article-body{padding:18px;display:flex;flex-direction:column;flex:1}.meta{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--gold2);margin-bottom:8px}.article-body h3{font-size:19px;line-height:1.45;margin:0 0 9px;color:#fff;min-height:56px}.article-body p{color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.read-more{margin-top:auto;color:var(--gold2);font-weight:700}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h3{margin:0 0 8px;color:var(--gold2)}.faq-item p{margin:0;color:var(--muted)}.disclaimer{padding:24px;background:linear-gradient(135deg,rgba(108,28,29,.32),rgba(13,28,36,.84))}.disclaimer h2{margin-top:0;color:var(--gold2)}.disclaimer p{color:#e5dbc7;margin:0}.page-title{padding-top:42px}.pagination{display:flex;gap:10px;justify-content:center;align-items:center;margin-top:28px}.pagination a,.pagination span{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);color:var(--gold2);background:rgba(255,255,255,.04);padding:0 14px}.pagination .current{background:var(--gold);color:#111;font-weight:800}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;margin:42px auto}.article-main{background:rgba(13,28,36,.86);border:1px solid var(--line);border-radius:24px;overflow:hidden}.article-hero img{width:100%;aspect-ratio:16/8;object-fit:cover}.article-content{padding:30px}.breadcrumb{color:var(--muted);font-size:14px;margin-bottom:12px}.breadcrumb a{color:var(--gold2)}.article-content h1{font-size:clamp(30px,4vw,48px);margin:0 0 12px}.article-content p{color:#e5dccb;margin:0 0 18px}.article-content h2{color:var(--gold2)}.article-meta{justify-content:flex-start;margin-bottom:22px}.editor-note{border-left:4px solid var(--gold);background:rgba(215,176,90,.08);padding:16px 18px;border-radius:14px;color:#eadfca;margin:26px 0}.related{margin-top:30px}.related h2{font-size:26px;margin-bottom:14px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-link{display:block;padding:16px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:#fff}.related-link span{display:block;color:var(--gold2);font-size:13px;margin-bottom:6px}.article-side{display:grid;gap:18px;align-content:start;position:sticky;top:104px}.side-box{padding:20px}.side-box h3{color:var(--gold2);margin:0 0 12px}.side-box a{display:block;color:#dfd4ba;border-top:1px solid rgba(215,176,90,.15);padding:10px 0}.side-box ol{margin:0;padding-left:20px;color:var(--muted)}.site-footer{border-top:1px solid var(--line);background:rgba(4,8,11,.82);padding:34px 0 16px}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr 1fr;gap:28px}.footer-grid strong,.footer-grid span{display:block;color:var(--gold2);font-weight:800;margin-bottom:10px}.footer-grid p,.footer-grid a{color:var(--muted);margin:0 0 8px}.footer-grid a{display:block}.copyright{text-align:center;color:#8f897d;font-size:13px;margin-top:20px}.reveal{opacity:0;transform:translateY(14px);transition:.65s ease}.reveal.visible{opacity:1;transform:none}.decor-dot{position:fixed;width:6px;height:6px;border-radius:50%;background:rgba(215,176,90,.38);pointer-events:none;z-index:1;box-shadow:0 0 18px rgba(215,176,90,.28)}
@media (max-width:980px){.header-inner{height:72px}.brand img{width:190px;height:auto}.nav-toggle{display:block}.main-nav{position:absolute;left:4vw;right:4vw;top:72px;display:none;flex-direction:column;align-items:stretch;background:rgba(5,10,14,.96);border:1px solid var(--line);border-radius:18px;padding:12px}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.hero-wrap,.two-col,.article-layout{grid-template-columns:1fr}.trust-grid,.route-line{grid-template-columns:repeat(2,1fr)}.article-grid{grid-template-columns:repeat(2,1fr)}.article-side{position:static}.related-grid{grid-template-columns:1fr}.install-grid{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.page-cover img{aspect-ratio:16/8}.hero{padding-top:24px}}
@media (max-width:640px){.container{width:min(94vw,1180px)}.hero-wrap{padding:16px;border-radius:22px;gap:18px}.hero-image{border-radius:18px}h1{font-size:38px}.lead{font-size:16px}.section{padding:34px 0}.trust-grid,.route-line,.article-grid{grid-template-columns:1fr}.article-body h3{min-height:auto}.footer-grid{grid-template-columns:1fr}.article-content{padding:22px}.article-hero img{aspect-ratio:16/10}.brand{min-width:auto}.brand img{width:170px}.btn{width:100%;}.hero-actions{gap:10px}.meta{flex-direction:column;gap:2px}.text-panel{padding:22px}.page-cover img{aspect-ratio:16/9}}


/* final alignment and mobile fixes */
.site-header{box-shadow:0 10px 26px rgba(0,0,0,.22)}
.header-inner{height:78px}.brand{width:236px;max-width:38vw;overflow:hidden}.brand img{width:100%;height:58px;object-fit:contain;background:transparent;mix-blend-mode:normal}.main-nav{margin-left:auto}.hero-wrap{min-height:560px;align-items:center}.hero-image{display:flex;align-items:center;justify-content:center;min-height:360px}.hero-image img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#061016;border-radius:22px}.image-panel{display:flex;align-items:center;justify-content:center}.image-panel img,.page-cover img,.article-hero img{object-fit:contain;background:#061016}.page-cover img{aspect-ratio:16/7}.article-hero{background:#061016}.article-hero img{aspect-ratio:16/9}.article-card .thumb{height:auto;background:#061016;border-bottom:1px solid rgba(215,176,90,.18)}.article-card img{aspect-ratio:16/9;object-fit:contain;background:#061016}.article-body{min-height:252px}.article-body h3{min-height:58px}.article-body p{min-height:78px}.read-more{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 0}.trust-card,.route-card,.install-card,.faq-item{height:100%}.two-col.align-start{align-items:stretch}.text-panel{display:flex;flex-direction:column;justify-content:flex-start}.btn{min-width:152px}.footer-grid{align-items:start}.related-link{min-height:108px}.main-nav a:focus-visible,.btn:focus-visible,.text-link:focus-visible,.read-more:focus-visible{outline:2px solid var(--gold2);outline-offset:3px}
@media (max-width:980px){.header-inner{height:70px}.brand{width:190px}.brand img{height:50px}.hero-wrap{min-height:auto}.hero-image{min-height:0}.article-body{min-height:240px}.page-cover img{aspect-ratio:16/8}.main-nav{top:70px}.btn{min-width:0}}
@media (max-width:640px){.site-header{position:sticky}.header-inner{height:66px}.brand{width:168px;max-width:62vw}.brand img{height:46px}.hero-wrap{padding:16px}.hero-image img{border-radius:16px}.article-grid{gap:18px}.article-card img{aspect-ratio:16/9}.article-body{min-height:auto}.article-body h3,.article-body p{min-height:auto}.page-cover img,.article-hero img{aspect-ratio:16/10}.route-card,.trust-card,.install-card{min-height:auto}.footer-grid{gap:18px}.decor-dot{display:none}}