:root{--ink:#101713;--muted:#68716b;--lime:#c8ff32;--lime2:#a9e600;--line:#dfe4df;--paper:#f4f6f2;--white:#fff;--dark:#111b16;--danger:#e34d4d;--shadow:0 18px 60px rgba(20,33,25,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}button,input,select,textarea{font:inherit}button,a{transition:.2s ease}button{cursor:pointer}a{color:inherit;text-decoration:none}.site-header{height:78px;padding:0 max(5vw,30px);display:flex;align-items:center;justify-content:space-between;background:rgba(244,246,242,.9);backdrop-filter:blur(14px);position:fixed;inset:0 0 auto;z-index:50;border-bottom:1px solid rgba(16,23,19,.08)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--lime);display:grid;place-items:center;font-size:23px;font-weight:900;transform:rotate(-3deg)}.brand strong,.brand small{display:block}.brand strong{font-size:17px;letter-spacing:2px}.brand small{font-size:8px;letter-spacing:2.4px;color:#778078;margin-top:3px}.site-header nav{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:600}.site-header nav>a:hover{color:#719a00}.ghost-btn,.primary-btn,.text-btn,.reset-btn{border:0;background:none}.ghost-btn{border:1px solid var(--ink);padding:10px 18px}.ghost-btn:hover{background:var(--ink);color:#fff}.primary-btn{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:15px 22px;background:var(--lime);color:var(--ink);font-weight:800;border:1px solid var(--lime);box-shadow:5px 5px 0 var(--ink)}.primary-btn:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink)}.primary-btn span{font-size:20px}.menu-btn{display:none;border:0;background:none;font-size:23px}.hero{min-height:760px;height:100vh;max-height:960px;padding:150px max(7vw,40px) 80px;display:flex;align-items:center;position:relative;overflow:hidden;background:#e9eee8}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(35,50,40,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(35,50,40,.06) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to right,#000,transparent 74%)}.hero-glow{position:absolute;width:600px;height:600px;border-radius:50%;right:8%;top:15%;background:radial-gradient(circle,var(--lime) 0,rgba(200,255,50,.45) 27%,transparent 68%)}.hero-copy{width:54%;max-width:720px;position:relative;z-index:2}.eyebrow{font-size:11px;letter-spacing:2.5px;font-weight:800;display:flex;align-items:center;gap:10px}.eyebrow i{width:26px;height:3px;background:var(--lime2)}.hero h1{font-size:clamp(64px,7.6vw,118px);line-height:.91;letter-spacing:-7px;margin:25px 0 32px}.hero h1 em{font-style:normal;color:transparent;-webkit-text-stroke:2px var(--ink);position:relative}.hero-desc{max-width:540px;color:#58625b;font-size:16px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:32px;margin:35px 0 55px}.text-btn{font-weight:700;border-bottom:1px solid;padding:10px 0}.hero-stats{display:flex;gap:52px}.hero-stats div{display:flex;flex-direction:column;border-left:2px solid var(--lime2);padding-left:13px}.hero-stats strong{font-size:24px}.hero-stats span{font-size:11px;color:var(--muted);margin-top:5px}.hero-visual{position:absolute;width:45vw;height:45vw;max-width:680px;max-height:680px;right:2vw;top:13%;z-index:1}.radar{position:absolute;inset:4%;border:1px solid rgba(30,45,35,.25);border-radius:50%;background:repeating-radial-gradient(circle,transparent 0 62px,rgba(20,35,25,.12) 63px 64px),linear-gradient(90deg,transparent 49.8%,rgba(20,35,25,.15) 50%,transparent 50.2%),linear-gradient(transparent 49.8%,rgba(20,35,25,.15) 50%,transparent 50.2%);overflow:hidden}.radar-line{position:absolute;width:50%;height:50%;left:50%;top:0;transform-origin:bottom left;background:linear-gradient(45deg,rgba(176,237,19,.25),transparent);animation:sweep 5s linear infinite}.ping{position:absolute;width:8px;height:8px;background:var(--ink);border:2px solid var(--lime);border-radius:50%;box-shadow:0 0 0 5px rgba(200,255,50,.3)}.ping-a{left:30%;top:36%}.ping-b{right:25%;top:27%}.ping-c{right:34%;bottom:24%}@keyframes sweep{to{transform:rotate(360deg)}}.operator{position:absolute;inset:22%;background:var(--ink);clip-path:polygon(50% 0,100% 89%,84% 100%,17% 100%,0 89%);color:var(--lime);display:grid;place-items:center;font-size:130px;font-weight:100}.visual-card{position:absolute;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);padding:15px 20px;border-left:3px solid var(--lime2);box-shadow:var(--shadow);z-index:3}.visual-card span,.visual-card strong{display:block}.visual-card span{font-size:10px;color:var(--muted)}.visual-card strong{font-size:15px;margin-top:4px}.vc-one{left:2%;top:30%}.vc-two{right:0;bottom:25%}.scroll-tip{position:absolute;bottom:40px;left:max(5vw,30px);font-size:9px;letter-spacing:3px;transform:rotate(-90deg);transform-origin:left center}.scroll-tip span{display:inline-block;width:55px;height:1px;background:var(--ink);vertical-align:middle;margin-left:8px}.section{padding:110px max(7vw,40px)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:48px}.section-heading h2{font-size:48px;margin:14px 0 0;letter-spacing:-2px}.section-heading>p{color:var(--muted);font-size:13px}.category-tabs{display:flex;border-bottom:1px solid #cbd2cc;margin-bottom:28px;gap:38px}.category-tab{border:0;background:none;padding:15px 2px;display:flex;align-items:center;gap:9px;font-weight:700;color:#7b837d;position:relative}.category-tab b{font-size:10px;padding:3px 6px;border-radius:10px;background:#dfe3df}.category-tab.active{color:var(--ink)}.category-tab.active:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--lime2)}.category-tab.active b{background:var(--lime)}.filter-bar{display:grid;grid-template-columns:2fr repeat(3,1fr) auto;gap:12px;background:#fff;padding:14px;border:1px solid var(--line);box-shadow:0 8px 30px rgba(30,40,30,.04)}.filter-bar label{display:flex;flex-direction:column;gap:6px;padding:3px 13px;border-right:1px solid var(--line)}.filter-bar label>span{font-size:9px;color:#848c86;font-weight:700}.filter-bar input,.filter-bar select{border:0;outline:0;background:transparent;height:30px;color:var(--ink);font-weight:600}.search-box{flex-direction:row!important;align-items:center}.search-box>span{font-size:24px!important;color:var(--ink)!important}.search-box input{width:100%}.reset-btn{padding:10px 15px;color:var(--muted)}.reset-btn:hover{color:var(--ink);background:#f2f4f0}.result-meta{display:flex;align-items:center;gap:18px;margin:34px 0 18px;font-size:12px;color:var(--muted)}.result-meta b{color:var(--ink)}.result-meta i{height:1px;background:var(--line);flex:1}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-card{background:#fff;border:1px solid var(--line);position:relative;overflow:hidden;cursor:pointer;transition:.25s}.product-card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:#b8c0ba}.product-image{aspect-ratio:1.45;position:relative;background:#26342b;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:cover;transition:.4s}.product-card:hover .product-image img{transform:scale(1.04)}.product-image:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 52%,rgba(0,0,0,.65))}.product-badges{position:absolute;z-index:2;top:14px;left:14px;display:flex;gap:7px}.badge{font-size:10px;font-weight:800;padding:6px 9px;background:var(--lime);color:var(--ink)}.badge.dark{background:rgba(16,23,19,.85);color:#fff}.product-code{position:absolute;z-index:2;bottom:13px;left:15px;color:#fff;font-size:10px;letter-spacing:1px}.product-info{padding:20px}.product-info h3{margin:0 0 10px;font-size:18px}.skin-list{display:flex;gap:6px;flex-wrap:wrap;min-height:25px}.skin-list span{font-size:10px;background:#edf0ec;color:#566058;padding:5px 8px}.product-summary{font-size:12px;color:var(--muted);line-height:1.7;height:40px;overflow:hidden;margin:15px 0}.product-bottom{border-top:1px solid var(--line);padding-top:15px;display:flex;justify-content:space-between;align-items:center}.price small{font-size:11px}.price strong{font-size:26px}.buy-mini{width:37px;height:37px;border:0;background:var(--ink);color:var(--lime);font-size:18px}.buy-mini:hover{background:var(--lime);color:var(--ink)}.empty-state{text-align:center;padding:80px;background:#fff;border:1px dashed #bbc3bd}.empty-state div{font-size:50px}.empty-state h3{font-size:22px;margin-bottom:8px}.empty-state p{color:var(--muted)}.empty-state .primary-btn{margin-top:20px}.steps{background:var(--dark);color:#fff}.section-heading.light>p,.steps .eyebrow{color:#aeb9b1}.step-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #334039}.step-grid article{padding:35px;min-height:230px;border-right:1px solid #334039;position:relative}.step-grid article:last-child{border:0}.step-grid article>b{position:absolute;right:24px;top:20px;color:#536158;font-size:12px}.step-grid article>span{display:grid;place-items:center;width:48px;height:48px;border:1px solid #506057;color:var(--lime);font-size:22px}.step-grid h3{margin-top:35px}.step-grid p{font-size:12px;color:#8e9a92;line-height:1.7}.cta{margin:0;background:var(--lime);padding:85px max(10vw,60px);display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden}.cta:after{content:"△";position:absolute;right:25%;font-size:240px;color:rgba(16,23,19,.07);font-weight:900}.cta h2{font-size:44px;margin:14px 0 0}.cta .eyebrow i{background:var(--ink)}.cta .primary-btn{background:var(--ink);color:#fff;box-shadow:5px 5px 0 #fff;z-index:2}footer{background:#09100c;color:#9aa59d;padding:40px max(7vw,40px);display:flex;justify-content:space-between;align-items:center;font-size:11px}footer .brand strong{color:#fff}footer>a{color:var(--lime)}.modal{display:none;position:fixed;inset:0;z-index:100;align-items:center;justify-content:center;padding:20px}.modal.open{display:flex}.modal-backdrop{position:absolute;inset:0;background:rgba(6,12,8,.77);backdrop-filter:blur(7px)}.modal-card{width:min(92vw,500px);max-height:92vh;overflow:auto;background:#fff;padding:38px;position:relative;z-index:2;box-shadow:var(--shadow)}.modal-close{position:absolute;right:16px;top:14px;border:0;background:#edf0ec;width:32px;height:32px;font-size:20px}.contact-card{text-align:center}.contact-card .eyebrow{justify-content:center}.contact-card h2{font-size:30px;margin-bottom:8px}.contact-card>p{font-size:12px;color:var(--muted)}.qr-frame{width:220px;height:220px;margin:24px auto;padding:10px;border:1px solid var(--line);position:relative}.qr-frame:before,.qr-frame:after{content:"";position:absolute;width:27px;height:27px;border-color:var(--lime2)}.qr-frame:before{left:-4px;top:-4px;border-left:4px solid var(--lime2);border-top:4px solid var(--lime2)}.qr-frame:after{right:-4px;bottom:-4px;border-right:4px solid var(--lime2);border-bottom:4px solid var(--lime2)}.qr-frame img{width:100%;height:100%;object-fit:contain}.qr-frame #qrPlaceholder{height:100%;background:repeating-linear-gradient(45deg,#f0f2ef,#f0f2ef 8px,#fff 8px,#fff 16px);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:35px;font-weight:900}.qr-frame small{font-size:9px;margin-top:8px}.wechat-line{display:flex;align-items:center;padding:13px;background:#f0f3ef;text-align:left}.wechat-line span{font-size:10px;color:var(--muted);margin-right:15px}.wechat-line strong{flex:1}.wechat-line button{border:0;background:var(--ink);color:#fff;padding:7px 12px;font-size:11px}.contact-note{margin-bottom:0!important}.product-detail-card{width:min(94vw,900px);padding:0}.detail-grid{display:grid;grid-template-columns:1.15fr 1fr}.detail-gallery{background:#202c25;min-height:480px}.detail-gallery>img{width:100%;height:390px;object-fit:cover}.detail-thumbs{display:flex;padding:12px;gap:9px}.detail-thumbs img{width:62px;height:48px;object-fit:cover;border:2px solid transparent;cursor:pointer}.detail-thumbs img.active{border-color:var(--lime)}.detail-copy{padding:42px 34px}.detail-copy h2{font-size:28px;margin:15px 0}.detail-copy .detail-price{font-size:34px;font-weight:800;margin:22px 0}.detail-desc{font-size:13px;color:var(--muted);line-height:1.9;white-space:pre-wrap}.detail-copy .primary-btn{width:100%;margin-top:22px}.toast{position:fixed;left:50%;bottom:35px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 22px;z-index:200;font-size:13px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}.admin-view{min-height:100vh;background:#eef1ed}.admin-sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:var(--dark);padding:28px;color:#fff}.admin-sidebar .brand{margin-bottom:55px}.admin-sidebar nav{display:flex;flex-direction:column;gap:8px}.admin-nav,.admin-sidebar nav a{border:0;background:none;color:#89958d;text-align:left;padding:13px 15px;font-weight:600}.admin-nav.active{background:var(--lime);color:var(--ink)}.admin-sidebar nav a{margin-top:25px}.admin-main{margin-left:240px;padding:35px 42px}.admin-main>header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.admin-main>header small{letter-spacing:2px;color:#879087}.admin-main>header h1{margin:5px 0}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:20px}.admin-stats>div{background:#fff;padding:21px;border:1px solid var(--line)}.admin-stats span,.admin-stats strong{display:block}.admin-stats span{font-size:11px;color:var(--muted)}.admin-stats strong{font-size:29px;margin-top:8px}.admin-card{background:#fff;border:1px solid var(--line);padding:24px}.admin-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.admin-card-head h2{margin:0}.admin-card-head p{color:var(--muted);font-size:12px}.admin-card-head input{border:1px solid var(--line);padding:10px 14px;width:250px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px}th{text-align:left;color:var(--muted);font-size:10px;padding:12px;border-bottom:1px solid var(--line)}td{padding:12px;border-bottom:1px solid var(--line)}.table-product{display:flex;align-items:center;gap:11px;min-width:220px}.table-product img{width:55px;height:42px;object-fit:cover;background:#1b2a20}.table-product strong,.table-product small{display:block}.table-product small{color:var(--muted);margin-top:4px}.status-pill{padding:5px 8px;font-size:10px;background:#e8f8bb;color:#557300}.status-pill.off{background:#eee;color:#777}.table-actions{display:flex;gap:6px}.table-actions button{border:1px solid var(--line);background:#fff;padding:6px 9px}.table-actions button:hover{border-color:var(--ink)}.table-actions .delete:hover{color:var(--danger);border-color:var(--danger)}.settings-form{max-width:700px}.settings-form>label{display:flex;flex-direction:column;gap:8px;margin:20px 0;font-size:12px;font-weight:700}.settings-form input,.settings-form textarea,.form-grid input,.form-grid select,.form-grid textarea{padding:12px;border:1px solid var(--line);outline:none}.settings-form input:focus,.settings-form textarea:focus,.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:#86b700}.upload-zone{position:relative;min-height:110px;border:1px dashed #aeb8b1;display:grid;place-items:center;background:#f7f8f6;overflow:hidden;color:var(--muted)}.upload-zone input{position:absolute;inset:0;opacity:0;cursor:pointer}.upload-zone img{max-height:200px;max-width:100%;padding:10px}.editor-card{width:min(94vw,760px)}.editor-head{margin-bottom:25px}.editor-head h2{font-size:27px;margin:10px 0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.form-grid label{display:flex;flex-direction:column;gap:7px;font-size:11px;font-weight:700}.full{grid-column:1/-1}.image-upload{min-height:80px}.image-preview-list{display:flex;gap:10px;flex-wrap:wrap}.preview-item{width:90px;height:70px;position:relative}.preview-item img{width:100%;height:100%;object-fit:cover}.preview-item button{position:absolute;right:2px;top:2px;width:20px;height:20px;border:0;background:rgba(0,0,0,.75);color:#fff}.editor-actions{display:flex;justify-content:flex-end;gap:12px;border-top:1px solid var(--line);margin-top:25px;padding-top:20px}
@media(max-width:1000px){.hero-copy{width:65%}.hero-visual{right:-15vw;opacity:.65}.product-grid{grid-template-columns:repeat(2,1fr)}.filter-bar{grid-template-columns:1.5fr 1fr 1fr}.filter-bar label:nth-of-type(4){display:none}.step-grid{grid-template-columns:repeat(2,1fr)}.step-grid article:nth-child(2){border-right:0}.admin-sidebar{width:190px}.admin-main{margin-left:190px;padding:30px 25px}.admin-stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.site-header{height:66px;padding:0 18px}.site-header nav{display:none;position:absolute;top:65px;left:0;right:0;background:#fff;padding:20px;flex-direction:column}.site-header.menu-open nav{display:flex}.menu-btn{display:block}.hero{height:auto;min-height:720px;padding:125px 22px 80px}.hero-copy{width:100%}.hero h1{font-size:60px;letter-spacing:-4px}.hero-visual{width:390px;height:390px;right:-170px;top:180px;opacity:.23}.hero-desc{max-width:80%}.hero-stats{gap:20px}.section{padding:75px 18px}.section-heading{display:block}.section-heading h2{font-size:36px}.section-heading>p{margin-top:15px}.category-tabs{gap:12px;overflow:auto}.category-tab{white-space:nowrap}.filter-bar{grid-template-columns:1fr 1fr}.filter-bar .search-box{grid-column:1/-1}.filter-bar label{border:0}.product-grid{grid-template-columns:1fr}.step-grid{grid-template-columns:1fr}.step-grid article{border-right:0;border-bottom:1px solid #334039}.cta{padding:60px 22px;display:block}.cta h2{font-size:34px}.cta .primary-btn{margin-top:30px}footer{padding:35px 20px;display:block}footer p{margin:22px 0}.detail-grid{grid-template-columns:1fr}.detail-gallery{min-height:auto}.detail-gallery>img{height:280px}.admin-sidebar{width:66px;padding:18px 10px}.admin-sidebar .brand>span:last-child,.admin-sidebar nav span{display:none}.admin-sidebar nav button,.admin-sidebar nav a{text-align:center;padding:12px}.admin-main{margin-left:66px;padding:20px 12px}.admin-main>header h1{font-size:22px}.admin-main>header .primary-btn{padding:10px;box-shadow:none;font-size:11px}.admin-stats{grid-template-columns:1fr 1fr}.admin-card{padding:13px}.admin-card-head{align-items:flex-start;gap:10px}.admin-card-head input{width:150px}.form-grid{grid-template-columns:1fr}.editor-card{padding:24px 18px}.modal-card{padding:30px 20px}}

/* iOS visual refresh */
:root{--ink:#1d1d1f;--muted:#6e6e73;--lime:#0a84ff;--lime2:#007aff;--line:rgba(0,0,0,.08);--paper:#f5f5f7;--dark:#111113;--shadow:0 18px 50px rgba(0,0,0,.09)}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);letter-spacing:-.01em}
.site-header{inset:16px 3% auto;height:64px;padding:0 20px;border:1px solid rgba(255,255,255,.48);border-radius:22px;background:rgba(245,245,247,.76);box-shadow:0 8px 30px rgba(0,0,0,.08);backdrop-filter:saturate(180%) blur(24px);-webkit-backdrop-filter:saturate(180%) blur(24px)}
.brand-mark{border-radius:12px;background:linear-gradient(145deg,#2997ff,#0066d6);color:#fff;box-shadow:inset 0 1px 1px rgba(255,255,255,.35),0 5px 12px rgba(0,122,255,.22);transform:none}
.brand strong{letter-spacing:.4px}.brand small{letter-spacing:1.7px}
.site-header nav{gap:8px}.site-header nav>a,.site-header .ghost-btn{padding:10px 15px;border:0;border-radius:12px}.site-header nav>a:hover{background:rgba(0,0,0,.05);color:var(--ink)}.site-header .ghost-btn{background:#1d1d1f;color:#fff}.site-header .ghost-btn:hover{background:#007aff}
.hero{height:min(92vh,860px);min-height:720px;max-height:none;margin:0;padding:155px max(7vw,40px) 70px;background-image:linear-gradient(90deg,rgba(5,10,14,.83) 0%,rgba(5,10,14,.58) 38%,rgba(5,10,14,.10) 72%),linear-gradient(0deg,rgba(4,8,11,.58),transparent 48%),url("assets/delta-hero.png");background-size:cover;background-position:center;color:#fff;align-items:flex-end}
.hero-grid,.hero-glow,.hero-visual{display:none}.hero-copy{width:min(680px,58%);padding:34px;border:1px solid rgba(255,255,255,.18);border-radius:32px;background:rgba(14,19,23,.36);box-shadow:0 24px 80px rgba(0,0,0,.22);backdrop-filter:blur(18px) saturate(130%);-webkit-backdrop-filter:blur(18px) saturate(130%)}
.hero h1{font-size:clamp(58px,6.5vw,96px);line-height:.94;letter-spacing:-5px;margin:18px 0 24px}.hero h1 em{color:#fff;-webkit-text-stroke:0}.hero .eyebrow{color:rgba(255,255,255,.76)}.eyebrow i{border-radius:10px}.hero-desc{color:rgba(255,255,255,.74);font-size:15px;line-height:1.75}
.primary-btn{border-radius:14px;background:#007aff;color:#fff;border:0;box-shadow:0 8px 22px rgba(0,122,255,.28);padding:14px 20px}.primary-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,122,255,.35);background:#0782ff}.hero .text-btn{color:#fff;border:0;background:rgba(255,255,255,.13);border-radius:14px;padding:13px 18px}.hero-actions{margin:30px 0 34px}.hero-stats{gap:12px}.hero-stats div{min-width:112px;padding:12px 14px;border:1px solid rgba(255,255,255,.13);border-radius:16px;background:rgba(255,255,255,.08)}.hero-stats strong{font-size:20px}.hero-stats span{color:rgba(255,255,255,.58)}.scroll-tip{display:none}
.section{padding:105px max(7vw,40px)}.section-heading h2{font-size:52px;letter-spacing:-3px}.catalog{background:#f5f5f7}
.category-tabs{width:max-content;max-width:100%;gap:4px;padding:5px;border:0;border-radius:15px;background:#e7e7ea;margin-bottom:22px}.category-tab{padding:10px 16px;border-radius:11px}.category-tab.active{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.08)}.category-tab.active:after{display:none}.category-tab b,.category-tab.active b{background:rgba(0,0,0,.06)}
.filter-bar{border:0;border-radius:22px;padding:10px;background:rgba(255,255,255,.82);box-shadow:0 8px 35px rgba(0,0,0,.055);backdrop-filter:blur(20px)}.filter-bar label{padding:5px 14px}.filter-bar select{cursor:pointer}.reset-btn{border-radius:12px}
.product-grid{gap:22px}.product-card{border:0;border-radius:26px;box-shadow:0 8px 30px rgba(0,0,0,.055);background:rgba(255,255,255,.9)}.product-card:hover{transform:translateY(-5px);box-shadow:0 18px 45px rgba(0,0,0,.10)}.product-image{border-radius:20px;margin:8px;aspect-ratio:1.52}.product-info{padding:15px 21px 22px}.badge{border-radius:9px;background:rgba(10,132,255,.92);color:#fff;backdrop-filter:blur(10px)}.badge.dark{background:rgba(24,24,27,.75)}.skin-list span{border-radius:8px;background:#f0f0f2}.buy-mini{border-radius:12px;background:#007aff;color:#fff}.buy-mini:hover{background:#2997ff;color:#fff}.product-bottom{border-color:rgba(0,0,0,.06)}
.steps{margin:0 3%;border-radius:34px;background:linear-gradient(145deg,#171719,#070708);overflow:hidden}.step-grid{border-color:rgba(255,255,255,.10);border-radius:24px;overflow:hidden}.step-grid article{border-color:rgba(255,255,255,.10)}.step-grid article>span{border:0;border-radius:14px;background:rgba(10,132,255,.16);color:#2997ff}
.cta{margin:28px 3%;border-radius:34px;background:linear-gradient(135deg,#007aff,#57a8ff);color:#fff}.cta .eyebrow i{background:#fff}.cta .primary-btn{background:#fff;color:#007aff;box-shadow:0 10px 30px rgba(0,0,0,.12)}footer{margin-top:28px;background:#fff;color:#6e6e73}footer .brand strong{color:#1d1d1f}footer>a{color:#007aff}
.modal-card{border-radius:30px;border:1px solid rgba(255,255,255,.4);box-shadow:0 30px 100px rgba(0,0,0,.28)}.modal-backdrop{background:rgba(15,15,17,.48);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.modal-close{border-radius:50%;background:#ededf0;color:#6e6e73}.wechat-line{border-radius:14px}.wechat-line button{border-radius:9px;background:#007aff}.product-detail-card{overflow:hidden}.detail-copy .primary-btn{border-radius:14px}
.admin-view{background:#f5f5f7}.admin-sidebar{margin:14px;inset:0 auto 0 0;height:calc(100vh - 28px);border-radius:24px;background:rgba(24,24,27,.94);box-shadow:0 18px 50px rgba(0,0,0,.15)}.admin-main{margin-left:254px}.admin-nav,.admin-sidebar nav a{border-radius:12px}.admin-nav.active{background:#0a84ff;color:#fff}.admin-stats>div,.admin-card{border:0;border-radius:22px;box-shadow:0 8px 30px rgba(0,0,0,.045)}.status-pill{border-radius:8px}.admin-card-head input,.settings-form input,.settings-form textarea,.form-grid input,.form-grid select,.form-grid textarea{border-radius:12px;background:#f7f7f9}.upload-zone{border-radius:16px}.table-actions button{border-radius:9px}
@media(max-width:1000px){.hero-copy{width:min(720px,72%)}.admin-main{margin-left:204px}}
@media(max-width:700px){.site-header{inset:8px 10px auto;height:58px;border-radius:18px;padding:0 13px}.site-header nav{top:66px;left:0;right:0;border-radius:18px;background:rgba(255,255,255,.94);box-shadow:0 15px 45px rgba(0,0,0,.12);backdrop-filter:blur(20px)}.hero{height:780px;min-height:0;padding:105px 16px 28px;background-image:linear-gradient(0deg,rgba(4,8,11,.92) 0%,rgba(4,8,11,.3) 68%),url("assets/delta-hero.png");background-position:58% center}.hero-copy{width:100%;padding:24px;border-radius:26px}.hero h1{font-size:52px;letter-spacing:-3px}.hero-desc{max-width:100%}.hero-stats div{min-width:0;flex:1}.hero-stats{gap:7px}.section{padding:72px 16px}.section-heading h2{font-size:40px;letter-spacing:-2px}.category-tabs{width:100%;overflow:auto}.filter-bar{border-radius:18px}.product-card{border-radius:22px}.steps{margin:0 10px;border-radius:26px}.step-grid{border-radius:18px}.cta{margin:18px 10px;border-radius:26px;padding:52px 24px}footer{margin-top:18px}.admin-sidebar{margin:8px;width:58px;height:calc(100vh - 16px);border-radius:18px}.admin-main{margin-left:70px}.modal-card{border-radius:24px}}

.brand-mark{width:58px;height:40px;padding:4px 6px;background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:12px;box-shadow:0 5px 16px rgba(0,0,0,.10);overflow:hidden}
.brand-mark img{display:block;width:100%;height:100%;object-fit:contain}
.site-header .brand strong{font-size:15px;letter-spacing:-.2px}
.admin-sidebar .brand-mark{width:50px;height:36px}
@media(max-width:700px){.brand-mark{width:47px;height:34px}.site-header .brand strong{font-size:12px;max-width:170px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.site-header .brand small{font-size:7px}.admin-sidebar .brand-mark{width:38px;height:32px;padding:3px}}

.hero h1{font-size:clamp(52px,5.7vw,84px);line-height:1.08}
.hero h1 em{color:#fff}
@media(max-width:700px){.hero h1{font-size:43px;line-height:1.12;letter-spacing:-2.5px}}

.detail-page{min-height:100vh;padding:115px 4vw 55px;background:#f5f5f7}
.detail-page-shell{max-width:1380px;margin:auto}
.detail-back{display:inline-flex;align-items:center;gap:9px;margin:0 0 20px;padding:10px 15px;border-radius:13px;background:#fff;color:#3a3a3c;font-size:13px;font-weight:650;box-shadow:0 4px 18px rgba(0,0,0,.045)}
.detail-back:hover{background:#e9e9ed}.detail-back span{font-size:18px}
.detail-page-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(390px,.85fr);min-height:680px;background:#fff;border-radius:34px;overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.10)}
.detail-page-gallery{min-width:0;padding:18px;background:#131719}
.detail-main-photo{height:570px;border-radius:24px;overflow:hidden;position:relative;background:#1d2421}
.detail-main-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 68%,rgba(0,0,0,.45))}
.detail-main-photo>img{display:block;width:100%;height:100%;object-fit:cover}
.detail-main-photo>span{position:absolute;left:18px;bottom:18px;z-index:2;padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.18);color:#fff;font-size:11px;font-weight:700;backdrop-filter:blur(16px)}
.detail-page-thumbs{display:flex;gap:10px;padding-top:14px;overflow:auto}
.detail-page-thumbs button{flex:0 0 82px;height:62px;padding:3px;border:2px solid transparent;border-radius:13px;background:rgba(255,255,255,.08);overflow:hidden}
.detail-page-thumbs button.active{border-color:#0a84ff}.detail-page-thumbs img{width:100%;height:100%;object-fit:cover;border-radius:8px}
.detail-page-info{padding:64px 52px;display:flex;flex-direction:column;align-items:flex-start}
.detail-page-info h1{font-size:clamp(34px,3.2vw,54px);line-height:1.1;letter-spacing:-2.5px;margin:18px 0 20px}
.detail-page-price{margin:35px 0 23px;font-size:54px;font-weight:800;letter-spacing:-2px}.detail-page-price small{font-size:22px;margin-right:4px}
.detail-assurances{width:100%;display:flex;gap:8px;padding-bottom:28px;border-bottom:1px solid rgba(0,0,0,.08)}
.detail-assurances span{padding:8px 10px;border-radius:9px;background:#f0f7ff;color:#0071e3;font-size:11px;font-weight:650}
.detail-description{margin:25px 0 20px}.detail-description h2{font-size:15px;margin:0 0 12px}.detail-description p{margin:0;color:#6e6e73;font-size:14px;line-height:1.9;white-space:pre-wrap}
.detail-buy{width:100%;margin-top:auto;font-size:16px}.detail-reminder{width:100%;margin:16px 0 0;text-align:center;color:#8e8e93;font-size:10px}
@media(max-width:900px){.detail-page-grid{grid-template-columns:1fr}.detail-main-photo{height:470px}.detail-page-info{padding:42px}.detail-buy{margin-top:20px}}
@media(max-width:700px){.detail-page{padding:88px 10px 24px}.detail-page-grid{border-radius:25px}.detail-page-gallery{padding:9px}.detail-main-photo{height:330px;border-radius:18px}.detail-page-thumbs button{flex-basis:70px;height:54px}.detail-page-info{padding:30px 22px}.detail-page-info h1{font-size:34px;letter-spacing:-1.7px}.detail-page-price{font-size:45px;margin:27px 0 20px}.detail-assurances{flex-wrap:wrap}.detail-description{margin-bottom:10px}}
.product-image .badge{font-size:13px;padding:8px 12px;border-radius:12px;letter-spacing:.2px}
.form-grid select[multiple]{min-height:145px;padding:10px;background:#fff;line-height:1.8}.form-grid label small{color:#8e8e93;font-size:10px;font-weight:500}
.template-box{padding:14px;border-radius:18px;background:#f7f7f9;border:1px solid rgba(0,0,0,.06)}.template-box textarea{min-height:180px;background:#fff!important}.template-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:10px}.template-actions .primary-btn,.template-actions .ghost-btn{box-shadow:none;padding:10px 14px;border-radius:12px}
.template-actions{flex-wrap:wrap}.template-actions .doc-template-link,.template-actions .doc-upload-btn{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;text-decoration:none;background:#fff}.template-actions .doc-upload-btn input{display:none}
.result-meta,.product-grid,.empty-state{position:relative;z-index:1}
.catalog-topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:22px}
.catalog-topbar .category-tabs{margin-bottom:0;flex:0 0 auto}
.catalog-search.compact{width:min(52vw,760px);margin-bottom:0;padding:13px 16px;border-radius:18px}
.catalog-search.compact input{font-size:14px}.catalog-search.compact .search-reset{padding:8px 13px}
.catalog-search{display:flex;align-items:center;gap:12px;margin-bottom:12px;padding:16px 22px;border-radius:22px;background:rgba(255,255,255,.86);box-shadow:0 8px 35px rgba(0,0,0,.045);backdrop-filter:blur(20px)}
.catalog-search span{font-size:24px;color:#1d1d1f;line-height:1}.catalog-search input{width:100%;border:0;outline:0;background:transparent;font-size:16px;font-weight:650;color:#1d1d1f}.search-reset{flex:0 0 auto;border-radius:13px;background:#fff;color:#ff3b30;font-weight:700;padding:9px 14px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.filter-bar.filter-bar-four{grid-template-columns:repeat(5,minmax(0,1fr));overflow:visible;position:relative;z-index:80}.filter-bar-four label,.multi-filter{position:relative;display:flex;flex-direction:column;gap:6px;padding:8px 18px;border-right:1px solid rgba(0,0,0,.08)}
.price-range{height:34px;display:flex;align-items:center;gap:12px;border:1px solid rgba(0,0,0,.10);border-radius:8px;padding:0 12px;background:#fff}.price-range input{min-width:0;width:100%;height:100%!important;border:0!important;background:transparent;text-align:center;font-weight:700}.price-range input::placeholder{color:#b6bbc3}.price-range em{font-style:normal;color:#c4c7cc}
.filter-bar-four label:last-child{border-right:0}.multi-filter>span{font-size:9px;color:#848c86;font-weight:700}.multi-filter-btn{height:30px;padding:0 24px 0 0;border:0;background:transparent;text-align:left;color:#1d1d1f;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;position:relative}
.multi-filter-btn:after{content:"⌄";position:absolute;right:0;top:1px;color:#1d1d1f;font-size:16px}.multi-filter-menu{display:none;position:absolute;z-index:120;top:100%;left:10px;right:10px;min-width:720px;max-height:480px;overflow:auto;margin-top:12px;padding:18px;border-radius:22px;background:rgba(255,255,255,.98);box-shadow:0 24px 70px rgba(0,0,0,.22);backdrop-filter:blur(22px)}
.multi-filter-menu.open{display:block}.multi-filter-menu label{display:flex;flex-direction:row!important;align-items:center;gap:15px;padding:16px 14px;border:0;border-radius:15px;font-size:20px;line-height:1.42;font-weight:800;color:#1d1d1f}.multi-filter-menu label:hover{background:#f2f2f4}.multi-filter-menu input{width:24px;height:24px;accent-color:#007aff;flex:0 0 auto}
.filter-bar-four .multi-filter-menu label,.filter-bar-four .multi-filter-menu label span{font-size:15px!important;line-height:1.35!important;font-weight:750!important;color:#1d1d1f!important}.filter-bar-four .multi-filter-menu label{gap:12px!important;padding:12px 12px!important;border-radius:13px!important}.filter-bar-four .multi-filter-menu input{width:20px!important;height:20px!important}
[hidden],.site-header[hidden]{display:none!important}
@media(max-width:1000px){.filter-bar.filter-bar-four{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-bar-four label,.multi-filter{border-right:0}.multi-filter-menu{left:0;right:0}}
@media(max-width:700px){.catalog-topbar{display:block}.catalog-topbar .category-tabs{margin-bottom:12px}.catalog-search.compact{width:100%}.catalog-search{border-radius:18px;padding:13px 16px}.search-reset{padding:8px 10px;font-size:12px}.filter-bar.filter-bar-four{grid-template-columns:1fr}.filter-bar-four label,.multi-filter{padding:10px 12px}.multi-filter-menu{position:static;margin-top:8px;max-height:230px}}

/* Detail page refinement */
.detail-main-photo{height:auto!important;aspect-ratio:16/9!important}
.detail-main-photo>img{width:100%!important;height:100%!important;object-fit:contain!important;object-position:center center!important}
.detail-page-gallery{display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:center!important}
.detail-main-photo,.detail-page-thumbs{width:100%!important}
.detail-page-thumbs{justify-content:center!important}
.detail-page-info .skin-list{gap:9px!important;min-height:auto!important}
.detail-page-info .skin-list span{font-size:14px!important;line-height:1.45!important;padding:8px 11px!important;border-radius:10px!important;color:#3a3a3c!important;font-weight:650!important}
@media(max-width:900px){.detail-main-photo{height:auto!important;aspect-ratio:16/9!important}}
@media(max-width:700px){.detail-page-info .skin-list span{font-size:13px!important;padding:7px 10px!important}}

/* Original image preview */
.detail-main-photo{cursor:zoom-in!important}
.detail-main-photo:before{content:"点击查看原图";position:absolute;right:16px;bottom:16px;z-index:3;padding:8px 12px;border-radius:999px;background:rgba(0,0,0,.52);color:#fff;font-size:12px;font-weight:750;backdrop-filter:blur(14px);opacity:0;transform:translateY(6px);transition:.18s}
.detail-main-photo:hover:before{opacity:1;transform:translateY(0)}
.zoom-image-btn{position:absolute;right:16px;top:16px;z-index:4;border:0;border-radius:999px;padding:9px 13px;background:rgba(0,0,0,.58);color:#fff;font-size:12px;font-weight:800;backdrop-filter:blur(14px);box-shadow:0 6px 20px rgba(0,0,0,.18)}
.zoom-image-btn:hover{background:#007aff}
.image-viewer-modal{z-index:180}
.image-viewer-card{position:relative;z-index:2;width:min(96vw,1500px);height:min(92vh,920px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:22px;border-radius:28px;background:rgba(12,14,18,.86);box-shadow:0 30px 110px rgba(0,0,0,.45);backdrop-filter:blur(20px)}
.image-viewer-card img{display:block;max-width:100%;max-height:calc(100% - 34px);object-fit:contain;border-radius:16px}
.image-viewer-card p{margin:12px 0 0;color:rgba(255,255,255,.62);font-size:12px}
.image-viewer-close{right:20px!important;top:20px!important;background:rgba(255,255,255,.16)!important;color:#fff!important}
.image-viewer-arrow{position:absolute;top:50%;z-index:5;width:58px;height:78px;border:0;border-radius:18px;background:rgba(255,255,255,.14);color:#fff;font-size:58px;line-height:1;display:grid;place-items:center;transform:translateY(-50%);backdrop-filter:blur(16px);box-shadow:0 12px 36px rgba(0,0,0,.22)}
.image-viewer-arrow:hover{background:#007aff;transform:translateY(-50%) scale(1.04)}
.image-viewer-prev{left:28px}.image-viewer-next{right:28px}
.image-viewer-counter{position:absolute;left:50%;bottom:54px;transform:translateX(-50%);z-index:5;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-size:12px;font-weight:800;backdrop-filter:blur(14px)}
@media(max-width:700px){.detail-main-photo:before{opacity:1;font-size:11px}.image-viewer-card{width:96vw;height:86vh;padding:14px;border-radius:22px}.image-viewer-card img{border-radius:12px}}
@media(max-width:700px){.image-viewer-arrow{width:42px;height:60px;border-radius:14px;font-size:42px}.image-viewer-prev{left:10px}.image-viewer-next{right:10px}.image-viewer-counter{bottom:44px}}

/* Home hero final title */
.hero-main-title{font-size:clamp(58px,6.6vw,104px)!important;line-height:1.04!important;letter-spacing:-5px!important}
.hero-main-title em{font-style:normal;color:#fff!important;-webkit-text-stroke:0!important}
.hero-big-stable{display:inline-block;font-size:1.24em;line-height:.82;transform:translateY(.04em);margin:0 .02em;font-weight:950}
@media(max-width:700px){.hero-main-title{font-size:clamp(45px,13vw,62px)!important;line-height:1.08!important;letter-spacing:-3px!important}.hero-big-stable{font-size:1.18em}}