*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:#f7fafc;background:#0b0f16;line-height:1.72}a{text-decoration:none;color:inherit}img{display:block;max-width:100%;height:auto}button,input,textarea,select{font:inherit}.container{width:min(1220px,calc(100% - 40px));margin:0 auto}:root{--bg:#0b0f16;--panel:#111823;--panel2:#151f2f;--text:#f8fafc;--muted:#aab4c2;--soft:#d8b76a;--gold:#f0cc7a;--line:rgba(255,255,255,.12);--line2:rgba(240,204,122,.28);--shadow:0 30px 80px rgba(0,0,0,.34);--radius:28px}.site-header{position:sticky;top:0;z-index:50;background:rgba(9,13,20,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-shell{height:82px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand img{width:44px;height:44px;border-radius:15px;background:#fff}.brand strong{display:block;font-size:18px;line-height:1.1}.brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--muted);margin-top:2px}.nav-links{margin-left:auto;display:flex;align-items:center;gap:18px}.nav-links a{font-size:14px;color:#dbe4ee;font-weight:800}.nav-links a:hover{color:var(--gold)}.nav-actions{display:flex;gap:10px}.menu-toggle{display:none;margin-left:auto;background:transparent;border:0;gap:5px;flex-direction:column;cursor:pointer}.menu-toggle span{width:26px;height:2px;background:#fff;border-radius:3px}.btn{border:1px solid transparent;border-radius:999px;padding:12px 18px;font-weight:900;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.22s ease;white-space:nowrap}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,#f0cc7a,#b58b3a);color:#16120a;box-shadow:0 16px 36px rgba(240,204,122,.22)}.btn-outline{background:rgba(255,255,255,.04);border-color:var(--line2);color:var(--gold)}.btn-dark{background:#ffffff;color:#101828}.btn-light{background:#fff;color:#151515}.btn-ghost{background:rgba(255,255,255,.06);border-color:var(--line);color:#fff}.section{padding:82px 0}.hero{padding:74px 0 38px;background:radial-gradient(circle at 82% 12%,rgba(240,204,122,.22),transparent 34%),radial-gradient(circle at 8% 18%,rgba(53,119,255,.16),transparent 32%)}.hero-grid,.split-grid,.download-card,.contact-panel{display:grid;grid-template-columns:1.02fr .98fr;gap:28px;align-items:center}.hero-copy,.hero-visual,.info-list article,.chain-flow article,.mini-cards article,.product-card,.purchase-guide,.check-grid article,.support-cases article,.support-form,.article-grid article,.contact-panel,.faq-grid details{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-copy{padding:36px}.crumbs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}.crumbs span,.eyebrow{font-size:12px;font-weight:950;letter-spacing:.13em;text-transform:uppercase;color:var(--gold)}.crumbs span{border:1px solid var(--line2);border-radius:999px;padding:8px 12px;background:rgba(240,204,122,.08)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,5.3vw,76px);line-height:.98;letter-spacing:-.06em;margin-bottom:18px}h2{font-size:clamp(32px,4.3vw,56px);line-height:1.02;letter-spacing:-.055em;margin:10px 0 14px}h3{font-size:24px;line-height:1.2;margin-bottom:10px}.lead,.section-head p,.hero-copy p,.product-copy p,.support-cases p,.article-grid p,.faq-grid p,.contact-panel p,.check-grid p,.info-list p,.chain-flow p,.purchase-guide p{color:var(--muted)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}.hero-stats article{background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:22px;padding:16px}.hero-stats strong{display:block;font-size:28px;color:var(--gold)}.hero-stats span{font-size:13px;color:var(--muted)}.hero-visual{position:relative;padding:18px;overflow:hidden}.hero-visual img{width:100%;height:560px;object-fit:contain;border-radius:22px;background:radial-gradient(circle,#1f2d42,#0e1420 60%)}.hero-chip{position:absolute;border:1px solid var(--line2);background:rgba(13,18,28,.88);backdrop-filter:blur(10px);border-radius:20px;padding:12px 14px}.hero-chip span{display:block;font-size:12px;color:var(--muted)}.hero-chip b{display:block;color:var(--gold)}.chip-a{left:36px;bottom:36px}.chip-b{right:36px;top:36px}.quick-section{padding:24px 0}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.quick-grid a,.quick-grid button{background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));border:1px solid var(--line);border-radius:24px;padding:22px;text-align:left;color:#fff;cursor:pointer;box-shadow:var(--shadow)}.quick-grid span{font-size:12px;color:var(--gold);letter-spacing:.12em;font-weight:950}.quick-grid strong{display:block;font-size:22px;margin:6px 0}.quick-grid p{margin:0;color:var(--muted);font-size:14px}.section-head{max-width:850px;margin-bottom:28px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}.sticky-head{position:sticky;top:110px;align-self:start}.info-list{display:grid;gap:16px}.info-list article{padding:24px}.channel-section,.verify-section,.knowledge-section{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,0))}.chain-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.chain-flow article{padding:24px;position:relative}.chain-flow article span,.check-grid b{width:42px;height:42px;border-radius:14px;background:rgba(240,204,122,.14);border:1px solid var(--line2);color:var(--gold);display:grid;place-items:center;font-weight:950;margin-bottom:16px}.mini-cards{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-top:18px}.mini-cards article{padding:14px;text-align:center;color:#e9eef6;font-weight:800}.model-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:20px}.model-strip a{border:1px solid var(--line2);border-radius:20px;padding:16px;background:rgba(240,204,122,.08)}.model-strip b{display:block;color:#fff}.model-strip span{display:block;color:var(--muted);font-size:13px}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.product-card{display:grid;grid-template-columns:230px 1fr;gap:20px;padding:20px;align-items:stretch;transition:.22s ease}.product-card:hover{transform:translateY(-4px);border-color:rgba(240,204,122,.45)}.product-card#gen5{grid-column:1/-1;grid-template-columns:300px 1fr}.product-media{min-height:250px;border-radius:22px;background:radial-gradient(circle,rgba(240,204,122,.18),rgba(255,255,255,.04) 62%);border:1px solid var(--line);display:grid;place-items:center;padding:16px}.product-media img{width:100%;height:100%;max-height:290px;object-fit:contain}.product-copy{display:flex;flex-direction:column;min-width:0}.product-kicker{color:var(--gold);font-size:12px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}.product-copy h3{font-size:30px;letter-spacing:-.04em;margin:8px 0 8px}.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;list-style:none;margin:16px 0 14px;padding:0}.spec-grid li{background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:16px;padding:10px 12px}.spec-grid span{display:block;font-size:12px;color:var(--muted)}.spec-grid strong{display:block;color:#fff;font-size:14px;line-height:1.35}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.tag-row em{font-style:normal;border:1px solid var(--line2);color:var(--gold);border-radius:999px;padding:6px 9px;font-size:12px;background:rgba(240,204,122,.08)}.product-copy .btn{margin-top:auto}.purchase-guide{margin-top:18px;padding:28px;display:flex;justify-content:space-between;gap:20px;align-items:center}.purchase-guide h3{font-size:32px}.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.check-grid article{padding:24px}.support-layout{display:grid;grid-template-columns:1fr 390px;gap:18px;align-items:start}.support-cases{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.support-cases article,.support-form{padding:24px}.support-form{display:grid;gap:12px}.support-form label{display:grid;gap:8px;color:#e6edf5;font-weight:800}.support-form select,.support-form textarea{width:100%;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.06);color:#fff;padding:12px;outline:0}.support-form option{color:#111}.download-section{padding-top:52px}.download-card{background:linear-gradient(135deg,#171f2d,#090d14);border:1px solid var(--line2);border-radius:34px;padding:34px}.tutorial-tags{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 22px}.tutorial-tags span{border:1px solid var(--line);background:rgba(255,255,255,.055);border-radius:999px;padding:8px 12px;color:#dbe4ee}.download-visual{border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#0d1320}.download-visual img{width:100%;height:360px;object-fit:contain;padding:12px}.article-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.article-grid article{padding:22px}.article-grid h3{font-size:21px}.contact-panel{padding:28px}.qr-preview{justify-self:end;max-width:300px;border:1px solid var(--line);border-radius:24px;padding:12px;background:#fff}.qr-preview img{border-radius:16px}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.faq-grid details{padding:22px}.faq-grid summary{cursor:pointer;font-size:18px;font-weight:950;color:#fff}.faq-grid p{margin:12px 0 0}.site-footer{border-top:1px solid var(--line);padding:28px 0 72px;background:#070a10}.footer-grid{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.footer-grid strong{font-size:20px}.footer-grid p{color:var(--muted);margin:8px 0 0}.footer-grid div:last-child{display:flex;gap:12px}.footer-grid a{color:var(--gold);font-weight:800}.float-contact{position:fixed;right:18px;bottom:18px;z-index:40;border:0;border-radius:999px;background:linear-gradient(135deg,#f0cc7a,#b58b3a);color:#15100a;box-shadow:0 18px 40px rgba(0,0,0,.32);padding:14px 18px;font-weight:950;cursor:pointer}.contact-modal{display:none;position:fixed;inset:0;z-index:100;align-items:center;justify-content:center;padding:18px}.contact-modal.open{display:flex}.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.62);backdrop-filter:blur(8px)}.modal-panel{position:relative;z-index:2;width:min(430px,100%);max-height:calc(100vh - 36px);overflow:auto;background:#111823;border:1px solid var(--line2);border-radius:28px;padding:26px;text-align:center;box-shadow:var(--shadow)}.modal-close{position:absolute;right:14px;top:10px;background:transparent;border:0;color:#fff;font-size:30px;cursor:pointer}.modal-panel h2{font-size:30px}.modal-panel p{color:var(--muted)}.qr-card{background:#fff;border-radius:22px;padding:10px}.qr-card img{width:100%;border-radius:14px}.modal-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:16px}.modal-actions a{border:1px solid var(--line2);color:var(--gold);border-radius:999px;padding:10px 14px;font-weight:800}.lock{overflow:hidden}
@media(max-width:1180px){.nav-links,.nav-actions{display:none}.menu-toggle{display:flex}.nav-links.open{display:flex;position:absolute;top:82px;left:12px;right:12px;flex-direction:column;align-items:flex-start;gap:14px;background:rgba(9,13,20,.98);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow);z-index:90}.hero-grid,.split-grid,.download-card,.contact-panel,.support-layout{grid-template-columns:1fr}.quick-grid,.chain-flow,.product-grid,.check-grid,.support-cases,.article-grid,.faq-grid{grid-template-columns:repeat(2,1fr)}.mini-cards{grid-template-columns:repeat(4,1fr)}.product-card,.product-card#gen5{grid-template-columns:1fr}.product-media{min-height:230px}.sticky-head{position:static}.qr-preview{justify-self:start}}
@media(max-width:760px){.container{width:min(100%,calc(100% - 24px))}.nav-shell{height:72px}.brand em{display:none}.brand strong{font-size:16px}.hero{padding:44px 0 20px}.section{padding:52px 0}.hero-copy{padding:24px;border-radius:24px}h1{font-size:38px;letter-spacing:-.045em}h2{font-size:32px;letter-spacing:-.04em}.hero-stats,.quick-grid,.chain-flow,.model-strip,.product-grid,.check-grid,.support-cases,.article-grid,.faq-grid,.mini-cards{grid-template-columns:1fr}.hero-visual{padding:12px}.hero-visual img{height:330px}.hero-chip{position:static;margin-top:10px}.hero-actions .btn,.product-copy .btn,.purchase-guide .btn,.support-form .btn,.download-card .btn,.contact-panel .btn{width:100%}.product-card,.product-card#gen5{padding:16px}.product-media{min-height:200px}.spec-grid{grid-template-columns:1fr}.purchase-guide{flex-direction:column;align-items:stretch;padding:22px}.support-form{padding:20px}.download-card{padding:22px}.download-visual img{height:230px}.contact-panel{padding:22px}.qr-preview{max-width:100%;justify-self:stretch}.footer-grid{flex-direction:column}.footer-grid div:last-child{flex-direction:column}.float-contact{left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));width:auto}.modal-panel{border-radius:22px;padding:22px 18px}.modal-panel h2{font-size:26px}}
/* Targeted layout correction: hero title, product media, footer */
.hero-copy h1{font-size:clamp(34px,4.1vw,56px);line-height:1.12;letter-spacing:-.035em;max-width:900px}
.product-grid{gap:22px;align-items:stretch}
.product-card{grid-template-columns:minmax(214px,240px) minmax(0,1fr);gap:0;overflow:hidden;padding:0;min-height:420px;align-items:stretch}
.product-card#gen5{grid-template-columns:minmax(260px,310px) minmax(0,1fr);min-height:360px}
.product-media{min-height:100%;height:100%;border-radius:0;border:0;border-right:1px solid var(--line);padding:22px;background:radial-gradient(circle at 50% 35%,rgba(240,204,122,.2),rgba(255,255,255,.045) 56%,rgba(255,255,255,.025) 100%)}
.product-media img{width:auto;height:245px;max-width:92%;max-height:78%;object-fit:contain;margin:auto;filter:drop-shadow(0 22px 28px rgba(0,0,0,.28))}
.product-card#gen5 .product-media img{height:230px;max-width:88%;max-height:76%}
.product-copy{padding:24px;gap:0}
.product-copy h3{font-size:clamp(24px,2.1vw,30px);line-height:1.14}
.spec-grid{margin:14px 0 13px}.product-copy .btn{align-self:flex-start;min-width:168px}
.site-footer{padding:34px 0 86px;background:linear-gradient(180deg,#070a10,#04060a);border-top:1px solid rgba(255,255,255,.1)}
.footer-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px}
.footer-brand{display:flex;align-items:center;gap:14px;min-width:0}
.footer-brand img{width:48px;height:48px;border-radius:16px;background:#fff;padding:4px;flex:0 0 auto}
.footer-grid strong{display:block;font-size:18px;line-height:1.25;color:#fff;letter-spacing:-.01em}
.footer-grid p{color:var(--muted);margin:8px 0 0;font-size:14px;line-height:1.65}
.footer-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.footer-links a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;border:1px solid var(--line2);border-radius:999px;padding:9px 14px;color:var(--gold);background:rgba(240,204,122,.075);font-weight:900;font-size:14px}
@media(max-width:1180px){.product-card,.product-card#gen5{grid-template-columns:250px minmax(0,1fr);min-height:0}.product-media img{height:235px}.product-card#gen5 .product-media img{height:220px}}
@media(max-width:760px){.hero-copy h1{font-size:30px;line-height:1.18;letter-spacing:-.025em}.product-grid{gap:16px}.product-card,.product-card#gen5{grid-template-columns:1fr;border-radius:24px}.product-media{border-right:0;border-bottom:1px solid var(--line);height:auto;min-height:240px;padding:20px;border-radius:0}.product-media img,.product-card#gen5 .product-media img{height:210px;max-height:210px;max-width:90%}.product-copy{padding:20px}.product-copy .btn{width:100%;align-self:stretch}.site-footer{padding:28px 0 92px}.footer-grid{grid-template-columns:1fr;align-items:start;gap:16px}.footer-brand{align-items:flex-start}.footer-grid strong{font-size:17px}.footer-grid p{font-size:13.5px}.footer-links{justify-content:flex-start;width:100%}.footer-links a{flex:1 1 calc(50% - 6px)}}
@media(max-width:420px){.hero-copy h1{font-size:28px}.product-media{min-height:218px}.product-media img,.product-card#gen5 .product-media img{height:192px;max-height:192px}.footer-brand{display:grid;grid-template-columns:42px 1fr}.footer-brand img{width:42px;height:42px;border-radius:14px}.footer-links{display:grid;grid-template-columns:1fr 1fr}}
/* Footer restored to the first-version layout */
.footer{background:#03050a!important;border-top:1px solid var(--line)!important;padding:44px 0 20px!important}
.footer .footer-grid{display:flex!important;justify-content:space-between!important;align-items:flex-start!important;gap:32px!important}
.footer .footer-brand{display:flex!important;gap:16px!important;align-items:flex-start!important;max-width:850px!important;min-width:0!important}
.footer .footer-brand img{width:52px!important;height:52px!important;border-radius:16px!important;background:#fff!important;padding:4px!important;flex:0 0 auto!important}
.footer strong{display:block!important;font-size:22px!important;color:#f8fafc!important;line-height:1.3!important;letter-spacing:0!important}
.footer p{color:var(--muted)!important;margin:8px 0 0!important;font-size:15px!important;line-height:1.7!important}
.footer .footer-links{display:flex!important;flex-direction:column!important;gap:9px!important;align-items:flex-end!important;justify-content:flex-start!important;flex-wrap:nowrap!important;width:auto!important}
.footer .footer-links a{display:inline!important;min-height:auto!important;border:0!important;border-radius:0!important;padding:0!important;background:transparent!important;color:#dbe4ee!important;font-weight:850!important;font-size:15px!important}
.footer .footer-links a:hover{color:var(--gold)!important}
.footer .footer-btn{border:1px solid var(--line)!important;background:rgba(255,255,255,.07)!important;color:#f8fafc!important;border-radius:999px!important;padding:10px 14px!important;font-weight:950!important;cursor:pointer!important;white-space:nowrap!important}
.footer .footer-btn:hover{border-color:var(--line2)!important;color:var(--gold)!important}
@media(max-width:1180px){.footer .footer-grid{flex-direction:column!important}.footer .footer-links{align-items:flex-start!important}}
@media(max-width:760px){.footer{padding:34px 0 92px!important}.footer .footer-brand{display:flex!important;flex-direction:column!important}.footer strong{font-size:19px!important}.footer p{font-size:14px!important}.footer .footer-links{width:100%!important}.footer .footer-links a,.footer .footer-btn{font-size:15px!important}.footer .footer-btn{width:auto!important}}
/* 首页内容厚度与型号对比增强 */
.intro-seo-section{background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(240,204,122,.035))}
.intro-copy{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:28px}
.intro-copy article,.service-index article,.comparison-panel,.long-read{background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)}
.intro-copy article{padding:26px}
.intro-copy h3,.long-read h3{font-size:24px;margin-bottom:12px;color:#fff}
.intro-copy p,.service-index p,.comparison-title p,.long-read p{color:var(--muted)}
.keyword-route{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.keyword-route span{border:1px solid var(--line2);background:rgba(240,204,122,.08);color:var(--gold);border-radius:999px;padding:9px 13px;font-size:13px;font-weight:900}
.service-index{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:20px}
.service-index article{padding:20px}
.service-index strong{display:block;font-size:18px;margin-bottom:8px;color:#fff}
.comparison-panel{margin:24px 0;padding:24px}
.comparison-title{display:grid;grid-template-columns:.45fr 1fr;gap:18px;align-items:end;margin-bottom:18px}
.comparison-title h3{font-size:30px;margin:4px 0 0}
.compare-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:20px;background:rgba(3,7,12,.28)}
.compare-table{width:100%;border-collapse:collapse;min-width:900px}
.compare-table th,.compare-table td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare-table th{color:var(--gold);font-size:13px;letter-spacing:.08em;background:rgba(240,204,122,.08)}
.compare-table td{color:#dbe4ee;font-size:14px}
.compare-table tr:last-child td{border-bottom:0}
.compare-table td:first-child{font-weight:950;color:#fff}
.long-read{padding:26px;margin:30px auto 0;width:min(1220px,calc(100% - 40px))}
.long-read p:last-child{margin-bottom:0}
h1{font-size:clamp(32px,4.2vw,56px);line-height:1.08;letter-spacing:-.04em}
@media(max-width:1024px){
.intro-copy,.service-index{grid-template-columns:1fr 1fr}
.comparison-title{grid-template-columns:1fr}
}
@media(max-width:760px){
.intro-copy,.service-index{grid-template-columns:1fr}
.intro-copy article,.comparison-panel,.long-read{padding:20px;border-radius:22px}
.keyword-route span{font-size:12px;padding:8px 10px}
.comparison-title h3{font-size:24px}
.compare-table{min-width:760px}
.long-read{width:min(100%,calc(100% - 24px));margin-top:22px}
h1{font-size:clamp(28px,9vw,38px);letter-spacing:-.03em}
}