/* ===== 主题 token：light 为基线值，data-theme="dark" 覆盖 ===== */
:root{color-scheme:light;--photo-dark:#f2f0ec;--page:#ffffff;--surface:#ffffff;--nav-bg:#fffffff5;--shadow-black:#0000004d;--ink:#131c28;--muted:#5f6e7e;--green:#0a5ad6;--brand-bright:#1272e0;--light:#f2f5f9;--line:#dae2ea;--mint:#e6f0fb;--panel:#f2f7fc;--panel-hero:#e7eff9;--panel-hero-2:#fdfeff;--panel-uv:#ecf1fa;--panel-fiber:#e9f4f6;--surface-dim:#f0f2f4;--chip-bg:#e7e9ec;--cta-btn-bg:#e4e9f1;--cta-btn-text:#222f48;--btn-dark:#10294a;--deep:#123057;--deep-2:#112e52;--announce:#0e1e36;--line-soft:#e2eaf4;--shadow-overlay:#000000333;--scrim-1:#152a3f26;--scrim-2:#11233c88;--err-text:#b4232a;--err-bg:#fdf1f1;--err-line:#ecc8c8;--tx-hi:#3c4454;--tx-mid:#5d6570;--bd:#dee1e5;--announce-link:#ced6e6;--on-dark-1:#9ba7be;--on-dark-2:#a7b1c3;--on-dark-3:#e8eef8;--photo-slot:#f5f6f8;--photo-slot-2:#f0f2f5;--shadow-soft:rgba(16,42,74,.06);--shadow-nav:rgba(16,42,74,.07);--grid-line-a:rgba(16,42,74,.045);--grid-line-b:rgba(16,42,74,.04)}
:root[data-theme="dark"]{color-scheme:dark;--photo-dark:radial-gradient(120% 100% at 50% 30%, #6d81a1 0%, #2e3c55 78%);--page:#0b1522;--surface:#101f31;--nav-bg:rgba(10,20,35,.88);--shadow-black:#00000080;--ink:#e6edf5;--muted:#8fa0b5;--green:#5c95ff;--brand-bright:#6ba6ff;--light:#0f1d30;--line:#253a55;--mint:#16305a;--panel:#0f2036;--panel-hero:#10233c;--panel-hero-2:#0b1a2c;--panel-uv:#142c4e;--panel-fiber:#0f2e3a;--surface-dim:#0f1d30;--chip-bg:#1c2b40;--cta-btn-bg:#2a4165;--cta-btn-text:#dfe9ff;--btn-dark:#1a5fd0;--deep:#1a3a66;--deep-2:#18345e;--announce:#0a1727;--line-soft:#1d2f47;--shadow-overlay:#00000066;--scrim-1:#00000042;--scrim-2:#07112066;--err-text:#ff9292;--err-bg:#3a1416;--err-line:#6b2b2b;--tx-hi:#dbe4f0;--tx-mid:#8fa0b5;--bd:#2c3f58;--announce-link:#ced6e6;--on-dark-1:#9ba7be;--on-dark-2:#a7b1c3;--on-dark-3:#b4bbc9;--photo-slot:transparent;--photo-slot-2:transparent;--shadow-soft:rgba(0,0,0,.45);--shadow-nav:rgba(0,0,0,.5);--grid-line-a:rgba(130,170,230,.055);--grid-line-b:rgba(130,170,230,.05)}

:root{--ink:#131c28;--muted:#5f6e7e;--green:#0a5ad6;--light:#f2f5f9;--line:#dae2ea;--mint:#e6f0fb;--max:1280px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--page);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--green);outline-offset:2px}img{display:block;max-width:100%}.wrap{width:calc(100% - 96px);max-width:var(--max);margin-inline:auto}.announcement{background:var(--announce);color:#fff;text-align:center;padding:12px 20px;font-size:12px;letter-spacing:.6px}.announcement a{margin-left:24px;color:var(--announce-link)}.announcement span{margin-left:8px}header{background:var(--nav-bg);position:sticky;top:0;z-index:10;box-shadow:0 1px 10px var(--shadow-nav);backdrop-filter:blur(14px)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;font-size:29px;font-weight:800;letter-spacing:-1.4px;white-space:nowrap}.brand>span{color:var(--green)}.brand i{height:24px;width:1px;background:var(--bd);margin:0 13px}.brand b{font-size:18px;letter-spacing:1px}.nav nav{display:flex;height:100%;align-items:center;gap:36px;font-size:14px}.nav nav a{display:flex;align-items:center;height:100%;position:relative}.nav nav a:hover,.nav nav .active{color:var(--green)}.nav nav .active:after{content:"";height:3px;background:var(--green);position:absolute;bottom:0;left:0;right:0}.nav-contact{font-size:13px;border:1px solid var(--bd);padding:11px 18px;border-radius:5px}.nav-contact span{margin-left:14px}.store-intro{padding-top:53px;display:flex;justify-content:space-between;align-items:center}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2.4px;margin:0 0 16px;color:var(--green)}h1,h2,h3,p{margin-top:0}h1{font-size:36px;letter-spacing:-1.5px;line-height:1.4;margin-bottom:14px}h1 span{color:var(--tx-mid)}.intro-text{font-size:13px;line-height:1.9;color:var(--muted);margin:0}.expert-link{display:flex;gap:12px;align-items:center;font-size:12px}.expert-link small{display:block;color:var(--green);margin-top:9px}.expert-icon{display:grid;place-items:center;background:var(--surface-dim);border-radius:100%;height:43px;width:43px;color:var(--green);font-weight:800;font-size:23px}.categories{display:grid;grid-template-columns:repeat(6,1fr);padding:25px 15px 34px;gap:18px}.categories a{display:flex;flex-direction:column;align-items:center;text-align:center;border-radius:8px;padding:8px;transition:background .2s}.categories a:hover{background:var(--light)}.categories img{width:90px;height:91px;object-fit:contain;mix-blend-mode:multiply;transition:transform .25s}.categories a:hover img{transform:translateY(-4px)}.categories span{font-size:13px;font-weight:600;margin:9px 0 6px}.categories small{color:var(--muted);font-size:10px}.hero{border-radius:12px;background:var(--panel-hero);min-height:434px;display:grid;grid-template-columns:1fr 1fr;overflow:hidden;position:relative}.hero-copy{padding:49px 0 34px 56px;z-index:1}.hero-copy .eyebrow{font-size:11px;letter-spacing:1.5px}.hero h2{font-size:43px;line-height:1.3;letter-spacing:-1.5px;margin-bottom:18px}.hero-copy>p:not(.eyebrow){font-size:13px;color:var(--tx-mid);line-height:1.9}.hero-actions{display:flex;align-items:center;gap:24px;margin:25px 0 30px;font-size:12px}.button{display:inline-flex;justify-content:center;align-items:center;gap:25px;border:0;padding:13px 21px;border-radius:5px;font-size:12px;font-weight:600;transition:background .2s,transform .2s}.dark{background:var(--btn-dark);color:#fff}.dark:hover{background:var(--green);transform:translateY(-1px)}.hero-spec{display:flex;gap:29px}.hero-spec>span{font-size:10px;color:var(--tx-mid);padding-right:26px;border-right:1px solid var(--bd)}.hero-spec>span:last-child{border:none}.hero-spec strong{display:block;font-size:19px;margin-bottom:5px;color:var(--tx-hi);font-weight:600}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-width:0}.hero-visual img{position:relative;z-index:1;width:92%;height:370px;object-fit:contain;mix-blend-mode:multiply}.giant-type{position:absolute;font-size:310px;font-weight:800;letter-spacing:-24px;color:var(--bd);top:17px;line-height:1.2;right:45px}.visual-caption{position:absolute;bottom:25px;right:38px;font-size:8px;letter-spacing:2px;color:var(--tx-mid)}.benefits{display:grid;grid-template-columns:repeat(4,1fr);padding:27px 15px;border-bottom:1px solid var(--line);font-size:11px;color:var(--tx-mid);gap:20px}.benefits span{text-align:center}.benefits b{font-size:10px;color:var(--green);margin-right:12px}.catalog{padding-top:65px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:29px}.section-head h2{font-size:26px;line-height:1.5;letter-spacing:-.7px;margin:0}.section-head h2 span{color:var(--tx-mid)}.section-head>a{font-size:12px;color:var(--green);padding-bottom:7px;white-space:nowrap}.catalog-controls{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:25px}.filters{display:flex;gap:9px;flex-wrap:wrap}.filters button{border:1px solid var(--line);border-radius:5px;padding:10px 16px;background:var(--surface);color:var(--tx-mid);font-size:12px;white-space:nowrap}.filters button:hover{border-color:var(--green)}.filters .selected{background:var(--deep);color:white;border-color:var(--deep)}.filters small{opacity:.6;margin-left:5px}#result-count{color:var(--muted);font-size:11px;white-space:nowrap}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:var(--light);border-radius:9px;overflow:hidden;display:flex;flex-direction:column;position:relative;padding:24px 27px 20px}.product-tag{font-size:10px;color:var(--green);letter-spacing:.7px}.product-card .picture{border:0;background:transparent;width:100%;padding:0;display:block}.product-card img{height:240px;width:100%;object-fit:contain;mix-blend-mode:multiply;margin:8px auto 20px;transition:transform .35s}.product-card .picture:hover img{transform:scale(1.045)}.product-card .series-label{font-size:10px;color:var(--muted);letter-spacing:1px;margin-bottom:8px}.product-card h3{font-size:22px;letter-spacing:-.5px;margin-bottom:6px}.product-card .summary{font-size:12px;color:var(--tx-mid);line-height:1.8;margin-bottom:16px;min-height:22px}.spec-chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:23px}.spec-chips span{font-size:10px;background:var(--chip-bg);padding:5px 8px;color:var(--tx-mid);border-radius:3px}.card-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px}.card-bottom .button{padding:11px 16px;font-size:11px}.card-bottom .quote{color:var(--tx-hi);font-size:11px;border:0;background:none;padding:10px 0}.compare-check{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--muted);margin-top:17px;padding-top:16px;border-top:1px solid var(--bd);cursor:pointer}.compare-check input{accent-color:var(--green);width:14px;height:14px;margin:0}.catalog-note{font-size:11px;color:var(--tx-mid);text-align:center;margin:26px 0 0}.guide{padding-top:79px;padding-bottom:68px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.guide-grid>a{background:var(--surface-dim);border-radius:8px;padding:28px;position:relative;height:325px;overflow:hidden}.guide-number{font-size:10px;letter-spacing:1px;color:var(--tx-mid)}.guide h3{font-size:22px;line-height:1.5;margin:18px 0 10px;position:relative;z-index:1}.guide p{font-size:12px;color:var(--tx-mid);line-height:1.8;position:relative;z-index:1;max-width:220px}.text-link{font-size:11px;color:var(--green);position:relative;z-index:2}.guide-grid img{height:180px;width:180px;object-fit:contain;mix-blend-mode:multiply;position:absolute;right:-4px;bottom:-5px;transition:transform .3s}.guide-grid>a:hover img{transform:scale(1.05)}.guide-grid .guide-support{background:var(--btn-dark);color:#fff}.guide-support p,.guide-support .guide-number{color:var(--on-dark-3)}.guide-support .text-link{color:var(--bd)}.support-word{position:absolute;bottom:23px;font-size:39px;font-weight:700;color:var(--tx-hi);letter-spacing:-1.6px}.contact{background:var(--surface-dim);border-radius:10px;padding:44px 48px;margin-bottom:70px;display:flex;justify-content:space-between;align-items:center;gap:30px}.contact h2{font-size:30px;line-height:1.4;letter-spacing:-.8px;margin-bottom:13px}.contact p{font-size:12px;color:var(--muted)}.phone{font-size:25px;font-weight:600;letter-spacing:.5px;display:block;margin:24px 0 7px}.phone span{font-size:20px;margin-left:12px;color:var(--green)}.contact small{font-size:11px;color:var(--muted)}.contact-right{display:flex;align-items:center;gap:25px}.contact-right>img{border-radius:8px;background:var(--surface);padding:10px;object-fit:contain}.contact-right h3{font-size:18px;margin-bottom:10px}.contact-right span{font-size:10px;color:var(--tx-mid)}footer{border-top:1px solid var(--line);padding:33px 0 26px}.footer-top{display:flex;align-items:center;justify-content:space-between}.footer-top .brand{font-size:25px}.footer-top .brand b{font-size:16px}.footer-top p{font-size:11px;color:var(--muted);margin:0}.footer-bottom{display:flex;justify-content:space-between;gap:30px;border-top:1px solid var(--line);padding-top:22px;margin-top:24px;font-size:9px;line-height:1.8;color:var(--tx-mid)}.compare-bar{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:15;background:var(--surface);border:1px solid var(--line);box-shadow:0 7px 35px var(--scrim-1);border-radius:9px;display:flex;align-items:center;gap:24px;padding:13px 18px;width:max-content;max-width:calc(100% - 24px)}[hidden]{display:none!important}.compare-bar strong{font-size:12px}.compare-bar span{display:block;font-size:10px;color:var(--muted);margin-top:5px}.clear{border:0;background:transparent;font-size:12px;color:var(--tx-mid)}dialog{border:0;border-radius:14px;width:min(920px,calc(100% - 32px));max-height:88vh;padding:40px;box-shadow:0 20px 100px var(--shadow-black);color:var(--ink)}dialog::backdrop{background:var(--scrim-2);backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:15px;top:12px;border:0;background:var(--surface-dim);border-radius:50%;width:34px;height:34px;font-size:25px;color:var(--tx-mid);z-index:2}.detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:35px}.detail-image{background:var(--photo-slot-2);border-radius:8px;display:flex;align-items:center}.detail-image img{width:100%;height:390px;object-fit:contain;mix-blend-mode:multiply}.detail-info h2{font-size:32px;margin:10px 0}.detail-info>p{font-size:13px;color:var(--muted);line-height:1.8}.detail-info dl{font-size:12px;line-height:1.8}.detail-info dt{color:var(--tx-mid);margin-top:12px}.detail-info dd{margin:3px 0}.detail-info label{font-size:12px;display:block;margin:20px 0 8px}.detail-info select{width:100%;padding:12px;border:1px solid var(--bd);border-radius:5px;background:var(--surface);color:var(--ink)}.detail-info .button{margin-top:20px;width:100%}.quote-panel{margin-top:20px;padding:20px;background:var(--surface-dim);border-radius:7px;display:flex;align-items:center;gap:20px}.quote-panel img{width:100px;height:100px;object-fit:contain}.quote-panel p{font-size:12px;line-height:1.8;margin-bottom:6px}.quote-panel a{font-size:17px;font-weight:600;color:var(--green)}.quote-panel small{display:block;color:var(--muted);font-size:10px;margin-top:7px}.table-scroll{overflow-x:auto;margin-top:25px}table{width:100%;border-collapse:collapse;min-width:520px;font-size:12px;text-align:left}th,td{padding:17px 14px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.7}thead th{background:var(--surface-dim);font-size:18px}tbody th{font-weight:400;color:var(--muted);width:80px}td img{height:130px;width:150px;object-fit:contain}#toast{position:fixed;left:50%;bottom:110px;transform:translateX(-50%);padding:13px 22px;background:var(--deep-2);color:white;border-radius:6px;font-size:12px;z-index:40;opacity:0;pointer-events:none;transition:opacity .2s}#toast.show{opacity:1}@media(min-width:1550px){.hero{min-height:470px}.hero-copy{padding-top:58px}.hero-visual img{height:420px}}@media(max-width:1100px){.wrap{width:calc(100% - 48px)}.nav nav{gap:22px}.nav-contact{display:none}h1{font-size:30px}.expert-link{display:none}.hero-copy{padding-left:35px}.hero h2{font-size:36px}.hero-visual img{height:320px}.hero-spec{gap:16px}.hero-spec>span{padding-right:16px}.product-card{padding:22px}.product-card img{height:200px}.contact-right{gap:15px}.contact-right>img{width:120px;height:120px}.contact-right span{display:none}.guide-grid{gap:16px}.guide-grid>a{padding:23px}.guide h3{font-size:19px}}@media(max-width:740px){html{scroll-padding-top:125px}.wrap{width:calc(100% - 36px)}.announcement{font-size:10px;padding:10px}.announcement a{display:none}.nav{height:auto;min-height:93px;gap:0;flex-wrap:wrap;padding-top:14px}.brand{font-size:26px}.brand b{font-size:15px}.nav nav{width:100%;justify-content:space-between;gap:14px;height:42px;font-size:12px}.store-intro{padding-top:32px}h1{font-size:27px;letter-spacing:-1px}h1 span{display:block}.intro-text{font-size:12px;max-width:300px}.eyebrow{font-size:9px}.categories{grid-template-columns:repeat(3,1fr);gap:4px;padding:18px 0 23px}.categories img{height:70px;width:70px}.categories span{font-size:11px;margin:5px 0}.categories small{font-size:9px}.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:29px 27px 0}.hero-copy .eyebrow{font-size:9px}.hero h2{font-size:33px}.hero-copy>p:not(.eyebrow){font-size:12px}.hero-actions{margin:20px 0}.hero-spec{gap:25px}.hero-spec>span{padding-right:20px}.hero-visual{height:265px}.hero-visual img{height:260px;width:95%}.giant-type{font-size:230px;top:0;right:45px}.visual-caption{bottom:13px;right:22px;font-size:6px}.benefits{grid-template-columns:repeat(2,1fr);font-size:9px;padding:21px 0;gap:18px 6px}.benefits b{margin-right:7px}.catalog{padding-top:39px}.section-head{display:block;margin-bottom:22px}.section-head h2{font-size:23px}.section-head>a{display:inline-block;margin-top:14px;font-size:11px}.catalog-controls{align-items:start;display:block}.filters{gap:7px}.filters button{padding:9px 11px;font-size:11px}#result-count{display:block;margin-top:16px;font-size:10px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-card{padding:16px 13px 14px}.product-tag{font-size:8px}.product-card img{height:160px;margin:6px 0 12px}.product-card h3{font-size:20px}.product-card .summary{font-size:10px;min-height:34px;line-height:1.6}.product-card .series-label{font-size:8px}.spec-chips{gap:4px;margin-bottom:16px;min-height:47px;align-content:start}.spec-chips span{font-size:8px;padding:4px 5px}.card-bottom{flex-direction:column;align-items:stretch;gap:4px}.card-bottom .button{padding:10px 5px;font-size:10px;gap:10px}.card-bottom .quote{font-size:10px;padding:7px 0}.compare-check{font-size:9px;margin-top:10px;padding-top:11px}.catalog-note{font-size:9px;line-height:1.9;padding:0 12px}.guide{padding:45px 0}.guide h2 span{display:block}.guide-grid{grid-template-columns:1fr;gap:13px}.guide-grid>a{height:238px;padding:25px}.guide h3{font-size:23px}.guide p{max-width:190px;font-size:11px}.guide-grid img{height:150px;width:150px}.guide-grid .guide-support{height:286px}.contact{padding:28px;display:block;margin-bottom:38px}.contact h2{font-size:28px}.contact-right{margin-top:28px;border-top:1px solid var(--bd);padding-top:25px}.contact-right>img{width:112px;height:112px}.contact-right h3{font-size:16px}.contact-right p{font-size:10px}.footer-top{display:block}.footer-top p{margin-top:16px;font-size:10px}.footer-bottom{display:block;font-size:8px}.footer-bottom span{display:block;margin-top:10px}.compare-bar{gap:14px;padding:12px}.compare-bar .button{padding:12px;font-size:11px}.compare-bar strong{font-size:11px}.compare-bar span{font-size:9px}dialog{padding:42px 22px 25px}.detail-layout{grid-template-columns:1fr;gap:22px}.detail-image img{height:220px}.detail-info h2{font-size:28px}.quote-panel{padding:13px;gap:13px}.quote-panel img{width:85px;height:85px}.quote-panel a{font-size:15px}.quote-panel p{font-size:11px}#compare-title{font-size:24px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
/* Shared site foundations and navigation */
:root{--font-sans:Arial,"PingFang SC","Microsoft YaHei",sans-serif;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--radius-control:5px;--radius-card:9px;--radius-feature:12px;--shadow-overlay:0 20px 100px var(--shadow-black)}body{font-family:var(--font-sans)}.skip-link{position:fixed;left:20px;top:-80px;z-index:100;background:var(--surface);color:var(--green);padding:12px 20px;border:2px solid var(--green)}.skip-link:focus{top:12px}.mobile-contact-link{display:none!important}.breadcrumb{display:flex;gap:10px;padding-top:24px;font-size:10px;color:var(--tx-mid)}.breadcrumb a{color:var(--tx-mid)}.breadcrumb+.store-intro{padding-top:27px}.footer-links{display:flex;gap:22px;font-size:11px;color:var(--tx-mid)}.nav nav{gap:28px}@media(max-width:1100px){.nav nav{gap:20px}.footer-top{gap:20px;flex-wrap:wrap}}@media(max-width:740px){.nav nav{gap:6px;font-size:11px}.mobile-contact-link{display:flex!important}.breadcrumb{padding-top:18px}.breadcrumb+.store-intro{padding-top:22px}.footer-links{margin-top:22px;font-size:11px}.footer-top p{margin-top:18px}.product-card .summary{min-height:34px}}
/* ===== 科技蓝 v2 增强：商城首屏蓝图网格 ===== */
.hero{position:relative;isolation:isolate}
.hero::before{content:"";position:absolute;z-index:-1;inset:0;background-image:linear-gradient(var(--grid-line-b) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line-b) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}

/* 联系区打样入口独立成行 */
.contact-links{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:10px}

/* ===== 深色模式专项 ===== */
[data-theme="dark"] .contact-right img{background:#fff;padding:4px;border-radius:4px}
/* 主题切换按钮 */
.theme-toggle{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);cursor:pointer;padding:0;flex:none}
.theme-toggle:hover{border-color:var(--green);color:var(--green)}
.theme-toggle svg{display:block}
.theme-toggle .s{display:none}
[data-theme="dark"] .theme-toggle .s{display:block}
[data-theme="dark"] .theme-toggle .m{display:none}

[data-theme="dark"] .quote-panel img{background:#fff;border-radius:4px}
[data-theme="dark"] dialog{background:var(--surface)}

[data-theme="dark"] .categories a{background:transparent}

[data-theme="dark"] .home-product img,[data-theme="dark"] .product-card img,[data-theme="dark"] .home-product-stage img,[data-theme="dark"] .detail-image img{mix-blend-mode:normal}

[data-theme="dark"] .home-product-stage img,[data-theme="dark"] .home-product img,[data-theme="dark"] .product-card img,[data-theme="dark"] .detail-image img,[data-theme="dark"] .categories img,[data-theme="dark"] .series-door img,[data-theme="dark"] .hero-visual img,[data-theme="dark"] .guide-grid img{mix-blend-mode:normal;filter:drop-shadow(0 0 16px rgba(140,175,225,.22)) drop-shadow(0 8px 26px rgba(0,0,0,.5))}

/* ===== 导航下拉（免费打样） ===== */
.nav-drop{position:relative;display:flex;align-items:center;height:100%}
.nav-drop-toggle{display:flex;align-items:center;height:100%;gap:6px}
.nav-drop-toggle::after{content:"";width:0;height:0;border:4px solid transparent;border-top-color:currentColor;margin-top:3px}
.nav-drop-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(6px);background:var(--surface);border:1px solid var(--line);border-radius:9px;box-shadow:0 8px 30px var(--shadow-overlay);padding:8px;min-width:150px;opacity:0;visibility:hidden;transition:opacity .18s,transform .18s,visibility .18s;display:grid;gap:2px;z-index:20}
.nav-drop:hover .nav-drop-panel,.nav-drop:focus-within .nav-drop-panel,.nav-drop.open .nav-drop-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-drop-panel a{padding:10px 12px;border-radius:6px;font-size:13px;color:var(--ink);white-space:nowrap}
.nav-drop-panel a:hover{background:var(--mint);color:var(--green)}
@media(max-width:740px){.nav-drop{height:auto}
.nav nav{flex-wrap:wrap;height:auto;row-gap:2px;padding:3px 0}
.nav-drop-panel{left:0;transform:translateY(6px)}
.nav-drop:hover .nav-drop-panel,.nav-drop.open .nav-drop-panel{transform:translateY(0)}}

/* 焦点态：鼠标点击不出现粗框，键盘操作保留细描边 */
input[type=radio]:focus:not(:focus-visible),input[type=checkbox]:focus:not(:focus-visible){outline:none}
input[type=radio]:focus-visible,input[type=checkbox]:focus-visible{outline:2px solid var(--green);outline-offset:2px}

/* 联系区三个服务按钮 */
.button.ghost{background:transparent;border:1px solid var(--bd);color:var(--ink)}
.button.ghost:hover{border-color:var(--green);color:var(--green);transform:translateY(-1px)}
.contact-links{gap:10px 12px;margin-top:16px}
.contact-links .button{font-size:13px;padding:12px 20px}

/* ===== 语言切换 ===== */
.lang-switch{display:flex;border:1px solid var(--line);border-radius:5px;overflow:hidden;flex:none}
.lang-switch button{border:0;background:transparent;color:var(--muted);font-size:11px;font-weight:600;padding:8px 8px;cursor:pointer;line-height:1}
.lang-switch button.on{background:var(--green);color:#fff}

/* ===== 移动端汉堡菜单 ===== */
.nav-burger,.mobile-menu{display:none}
@media(max-width:740px){
header .nav nav{display:none}
.nav-burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;background:transparent;padding:0 10px;cursor:pointer}
.nav-burger span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .2s}
.nav-burger.open span:first-child{transform:translateY(3.5px) rotate(45deg)}
.nav-burger.open span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.mobile-menu{display:block;position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 14px 34px var(--shadow-overlay);padding:6px 18px 14px;max-height:calc(100vh - 130px);overflow:auto;z-index:30}
.mobile-menu a{display:flex;align-items:center;min-height:48px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line-soft)}
.mobile-menu a:last-of-type{border-bottom:0}
.mobile-menu .mm-label{font-size:10px;letter-spacing:2px;color:var(--muted);margin:10px 0 2px}
}

/* 导航末尾的管理后台入口（弱化） */
.nav nav .nav-admin{color:var(--muted);font-size:13px}
.nav nav .nav-admin:hover{color:var(--green)}