:root{--color-lvfan-red:#e6061f;--color-ink:#3f3a39;--color-bg-soft:#f5f5f5;--color-white:#ffffff;--color-line:rgba(63,58,57,0.12);--color-muted:rgba(63,58,57,0.68);--font-weight-level-1:700;--font-weight-level-2:400;--font-weight-level-3:300;--radius-sm:6px;--radius-md:8px;--space-xs:8px;--space-sm:16px;--space-md:32px;--space-lg:64px;--space-xl:96px;--container-width:1200px;--shadow-soft:0 16px 40px rgba(63,58,57,0.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--color-white);color:var(--color-ink);font-family:Arial,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button:disabled{cursor:not-allowed;opacity:.72}img,video{display:block;max-width:100%}.container{width:min(100% - 40px,var(--container-width));margin:0 auto}.section{padding:var(--space-xl) 0}.section-soft{background:var(--color-bg-soft)}.eyebrow{color:var(--color-lvfan-red);font-size:13px;letter-spacing:0;text-transform:uppercase}.eyebrow,.section-title{font-weight:var(--font-weight-level-1)}.section-title{margin:12px 0 16px;font-size:clamp(30px,4vw,54px);line-height:1.08}.section-copy{color:var(--color-muted);font-size:17px;font-weight:var(--font-weight-level-3);line-height:1.8}.button{align-items:center;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;display:inline-flex;gap:8px;justify-content:center;min-height:44px;padding:0 18px;transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}.button:hover{transform:translateY(-1px)}.button-primary{background:var(--color-lvfan-red);color:var(--color-white)}.button-secondary{background:var(--color-white);border-color:var(--color-line);color:var(--color-ink)}.button-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28);color:var(--color-white)}.button-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.42)}.field{display:grid;grid-gap:8px;gap:8px}.field span{color:rgba(63,58,57,.72);font-size:13px;font-weight:var(--font-weight-level-2)}.input,.select,.textarea{background:#f7f7f7;border:1px solid var(--color-line);border-radius:var(--radius-sm);color:var(--color-ink);min-height:44px;padding:12px;width:100%}.button:focus-visible,.header-tools a:focus-visible,.input:focus,.mobile-menu summary:focus-visible,.mobile-menu-panel a:focus-visible,.nav a:focus-visible,.select:focus,.textarea:focus{outline:2px solid rgba(230,6,31,.34);outline-offset:3px}.textarea{min-height:110px;resize:vertical}.site-header{background:rgba(255,255,255,.92);border-bottom:1px solid var(--color-line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);position:-webkit-sticky;position:sticky;top:0;z-index:20}.header-inner{align-items:center;display:flex;gap:28px;min-height:76px;justify-content:space-between}.brand{align-items:center;display:inline-flex;min-width:170px}.brand img{max-height:34px;width:auto}.nav{align-items:center;display:flex;flex:1 1;flex-wrap:wrap;gap:18px;justify-content:center}.nav a{color:var(--color-muted);font-size:14px;position:relative}.nav a:after{background:var(--color-lvfan-red);bottom:-8px;content:"";height:2px;left:0;opacity:0;position:absolute;transform:scaleX(.6);transition:.16s ease;width:100%}.nav a:hover{color:var(--color-ink)}.nav a:hover:after{opacity:1;transform:scaleX(1)}.header-tools{align-items:center;display:flex;gap:10px;white-space:nowrap}.header-tools a{color:var(--color-muted);font-size:13px}.header-action{border:1px solid var(--color-line);border-radius:var(--radius-sm);padding:9px 13px}.mobile-menu{display:none;margin-left:auto;position:relative}.mobile-menu summary{align-items:center;background:var(--color-white);border:1px solid var(--color-line);border-radius:var(--radius-sm);color:var(--color-ink);cursor:pointer;display:inline-flex;gap:9px;list-style:none;min-height:44px;padding:0 13px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu-bars{display:grid;grid-gap:4px;gap:4px;width:18px}.mobile-menu-bars span{background:var(--color-ink);border-radius:999px;display:block;height:2px}.mobile-menu-panel{background:rgba(255,255,255,.98);border:1px solid var(--color-line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);display:grid;grid-gap:2px;gap:2px;padding:10px;position:absolute;right:0;top:calc(100% + 12px);width:min(320px,calc(100vw - 28px));z-index:50}.mobile-menu-panel a{border-radius:var(--radius-sm);color:var(--color-ink);display:flex;font-size:15px;justify-content:space-between;min-height:44px;padding:12px 14px}.mobile-menu-panel a:hover{background:var(--color-bg-soft)}.mobile-menu-divider{background:var(--color-line);display:block;height:1px;margin:6px 4px}.mobile-login-link{background:var(--color-lvfan-red);color:var(--color-white)!important;justify-content:center!important}.hero{min-height:760px;overflow:hidden;position:relative}.hero-bg,.hero-overlay{inset:0;position:absolute}.hero-bg{height:100%;object-fit:cover;width:100%}.hero-bg-mobile{display:none}.hero-bg-fallback{background:radial-gradient(circle at 74% 18%,rgba(230,6,31,.18),transparent 28%),linear-gradient(120deg,rgba(18,18,18,.98),rgba(63,58,57,.86)),linear-gradient(90deg,transparent 0 31px,rgba(255,255,255,.05) 31px 32px),linear-gradient(0deg,transparent 0 31px,rgba(255,255,255,.04) 31px 32px);background-size:auto,auto,32px 32px,32px 32px}.hero-overlay{background:linear-gradient(90deg,rgba(0,0,0,.62),rgba(0,0,0,.28),rgba(0,0,0,.06)),linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.32))}.hero-content{color:var(--color-white);padding-top:118px;position:relative;z-index:1}.hero-grid{align-items:center;display:grid;grid-gap:72px;gap:72px;grid-template-columns:minmax(0,1fr) minmax(320px,.55fr)}.hero-copy{padding:72px 0}.hero h1{font-size:clamp(46px,7vw,84px);font-weight:var(--font-weight-level-1);line-height:1;margin:18px 0 10px;max-width:860px}.hero-subtitle{color:rgba(255,255,255,.92);font-size:clamp(22px,3vw,34px);font-weight:var(--font-weight-level-2);line-height:1.35;margin:0;max-width:860px}.hero-description{color:rgba(255,255,255,.72);font-size:18px;line-height:1.8;margin:18px 0 0;max-width:660px}.hero-industry{color:rgba(255,255,255,.84);font-size:16px;line-height:1.8;margin:16px 0 0;max-width:780px}.hero-actions{gap:12px;margin-top:34px}.hero-actions,.hero-proof{display:flex;flex-wrap:wrap}.hero-proof{border-top:1px solid rgba(255,255,255,.16);gap:24px;margin-top:54px;padding-top:22px}.hero-proof span{color:rgba(255,255,255,.72);font-size:14px}.hero-visual{min-height:440px;position:relative}.supply-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 24px 80px rgba(0,0,0,.24);color:var(--color-white);position:absolute}.supply-card-main{display:grid;grid-gap:14px;gap:14px;padding:28px;right:20px;top:70px;width:min(100%,300px)}.supply-card-main span{color:rgba(255,255,255,.78)}.supply-card-main strong{font-size:24px}.supply-card-main em{color:var(--color-lvfan-red);font-style:normal;font-weight:var(--font-weight-level-1)}.supply-card-small{bottom:92px;padding:18px 22px;right:74px}.supply-card-small.top{bottom:168px;right:24px}.footer-layout,.mini-grid,.split-grid{display:grid;grid-gap:48px;gap:48px;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.section-heading-block{border-left:3px solid var(--color-lvfan-red);padding-left:28px}.section-content-panel{background:rgba(255,255,255,.76);border:1px solid var(--color-line);border-radius:var(--radius-md);padding:34px}.split-section:not(.section-soft) .section-content-panel{background:var(--color-bg-soft)}.section-image{aspect-ratio:16/9;border-radius:var(--radius-md);margin-top:28px;object-fit:cover;width:100%}.section-topline{align-items:end;display:grid;grid-gap:32px;gap:32px;grid-template-columns:1fr minmax(280px,460px)}.section-topline p{color:var(--color-muted);line-height:1.8;margin:0 0 16px}.category-section{background:var(--color-white)}.category-section-compact{padding-top:72px}.category-grid{display:grid;grid-gap:18px;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:36px}.category-card{background:linear-gradient(180deg,var(--color-white),#fbfbfb);border:1px solid rgba(63,58,57,.12);border-radius:var(--radius-md);overflow:hidden;padding:14px;position:relative;scroll-margin-top:96px;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.category-card:hover{border-color:rgba(230,6,31,.26);box-shadow:var(--shadow-soft);transform:translateY(-4px)}.category-index{color:rgba(230,6,31,.72);font-size:13px;font-weight:var(--font-weight-level-1);position:absolute;right:18px;top:18px}.category-media{padding:0}.category-card img,.category-image-placeholder{aspect-ratio:16/9;background:radial-gradient(circle at 78% 20%,rgba(230,6,31,.18),transparent 30%),linear-gradient(135deg,rgba(63,58,57,.12),rgba(63,58,57,.03)),linear-gradient(90deg,transparent 0 19px,rgba(63,58,57,.08) 19px 20px);background-size:auto,auto,20px 20px;border-radius:var(--radius-sm);object-fit:cover;width:100%}.category-body{padding:18px 4px 2px}.category-card h3{font-size:24px;margin:0 0 8px}.category-card p{color:var(--color-muted);line-height:1.7;margin:0}.category-usecases{display:grid;grid-gap:10px;gap:10px;margin-top:16px}.category-usecases div{background:var(--color-bg-soft);border:1px solid var(--color-line);border-radius:var(--radius-sm);padding:12px}.category-usecases span{color:var(--color-lvfan-red);display:block;font-size:12px;font-weight:var(--font-weight-level-1);margin-bottom:6px}.category-usecases p{color:rgba(63,58,57,.78);font-size:14px;line-height:1.65}.category-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.category-tags span{background:var(--color-bg-soft);border-radius:var(--radius-sm);color:var(--color-ink);font-size:13px;padding:7px 10px}.category-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.category-actions .button{min-height:40px;padding:0 14px}.mini-program{background:radial-gradient(circle at 84% 22%,rgba(230,6,31,.18),transparent 30%),linear-gradient(90deg,rgba(18,18,18,.98),rgba(63,58,57,.88)),linear-gradient(90deg,transparent 0 39px,rgba(255,255,255,.04) 39px 40px);background-size:auto,auto,40px 40px;color:var(--color-white)}.mini-program .section-copy{color:rgba(255,255,255,.72)}.phone-panel{align-items:center;display:flex;justify-content:center;min-height:320px;padding:28px}.phone-frame{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:28px;display:grid;grid-gap:22px;gap:22px;justify-items:center;max-width:300px;min-height:420px;padding:28px;width:100%}.phone-top{background:rgba(255,255,255,.28);border-radius:999px;height:5px;width:52px}.phone-panel img{background:var(--color-white);border-radius:var(--radius-sm);max-width:220px;padding:12px}.phone-lines{display:grid;grid-gap:10px;gap:10px;width:100%}.phone-lines i{background:rgba(255,255,255,.12);border-radius:999px;display:block;height:10px}.phone-lines i:nth-child(2){width:76%}.phone-lines i:nth-child(3){width:58%}.categories-hero,.contact-hero{background:radial-gradient(circle at 86% 20%,rgba(230,6,31,.12),transparent 26%),linear-gradient(120deg,#111,#3f3a39);color:var(--color-white);overflow:hidden;padding:112px 0 86px}.page-hero{background:var(--color-bg-soft);overflow:hidden;padding:110px 0 84px;position:relative}.page-hero img{height:100%;inset:0;object-fit:cover;opacity:.16;position:absolute;width:100%}.page-hero .container{position:relative}.page-hero h1{font-size:clamp(40px,6vw,72px);line-height:1.05;margin:16px 0}.page-hero p,.prose p{color:var(--color-muted);font-size:18px;line-height:1.9}.page-cta-strip{align-items:center;display:grid;grid-gap:28px;gap:28px;grid-template-columns:minmax(0,1fr) auto}.page-cta-strip h2{font-size:clamp(28px,3vw,42px);margin:10px 0}.page-cta-strip p{color:var(--color-muted);line-height:1.8;margin:0}.page-cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}.categories-hero-inner,.contact-hero-grid{align-items:center;display:grid;grid-gap:48px;gap:48px;grid-template-columns:1fr minmax(280px,360px)}.categories-hero h1,.contact-hero h1{font-size:clamp(40px,6vw,72px);line-height:1.05;margin:16px 0;max-width:860px}.categories-hero p,.contact-hero p{color:rgba(255,255,255,.74);font-size:18px;line-height:1.8;max-width:720px}.categories-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.categories-rule-card,.contact-quick-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-md);padding:26px}.categories-rule-card span,.contact-quick-card span{color:rgba(255,255,255,.68)}.categories-rule-card strong,.contact-quick-card strong{display:block;font-size:28px;margin:12px 0}.contact-layout{display:grid;grid-gap:28px;gap:28px;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr)}.contact-card,.contact-channel-card,.overseas-contact-strip{background:var(--color-white);border:1px solid var(--color-line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);padding:30px}.contact-channel-card{scroll-margin-top:96px}.contact-card h2,.contact-channel-card h2,.overseas-contact-strip h2{margin-top:0}.contact-rows{display:grid;grid-gap:14px;gap:14px;margin:24px 0 0}.contact-rows div{background:var(--color-bg-soft);border:1px solid var(--color-line);border-radius:var(--radius-sm);display:grid;grid-gap:12px;gap:12px;grid-template-columns:110px 1fr;padding:14px 16px}.contact-rows dt{color:var(--color-lvfan-red);font-size:13px;font-weight:var(--font-weight-level-1)}.contact-rows dd{color:var(--color-ink);line-height:1.65;margin:0}.overseas-contact-strip{align-items:center;display:grid;grid-gap:28px;gap:28px;grid-template-columns:1fr minmax(300px,520px)}.site-footer{background:#111;color:var(--color-white);padding:58px 0}.footer-layout{align-items:start}.footer-logo{margin-bottom:34px;max-height:42px;width:auto}.footer-contact{display:grid;grid-gap:8px;gap:8px;max-width:620px}.footer-contact strong{color:rgba(255,255,255,.92);font-size:18px;margin-bottom:6px}.footer-contact p,.site-footer p,.site-footer small,.site-footer span{color:rgba(255,255,255,.68);line-height:1.65;margin:0}.footer-copy{margin-top:44px!important}.footer-social-panel{justify-self:end;min-width:min(100%,360px)}.footer-social-panel h2{font-size:18px;margin:0 0 16px}.footer-social-panel-cn{display:grid;grid-gap:26px;gap:26px}.overseas-entry{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:18px}.overseas-entry span{color:var(--color-white);display:block;font-weight:var(--font-weight-level-1);margin-bottom:6px}.overseas-entry small{color:var(--color-lvfan-red)}.social-grid{display:flex;flex-wrap:wrap;gap:14px}.social-item{align-items:center;min-width:74px;position:relative}.social-item,.social-item summary{display:grid;grid-gap:8px;gap:8px;justify-items:center}.social-item summary{cursor:pointer;list-style:none}.social-item summary::-webkit-details-marker{display:none}.social-item-qr[open]{z-index:60}.social-icon{align-items:center;background:#f8f8f8;border:1px solid var(--color-line);border-radius:var(--radius-sm);display:flex;height:72px;justify-content:center;padding:6px;width:72px}.social-grid-dark .social-icon{background:var(--color-white);border-color:rgba(255,255,255,.12)}.social-icon img{height:100%;object-fit:contain;width:100%}.social-icon i{background:var(--color-lvfan-red);border-radius:999px;display:block;height:18px;position:relative;width:18px}.social-icon i:after{background:#d8d8d8;border-radius:999px;bottom:-16px;content:"";height:6px;left:-5px;position:absolute;width:28px}.social-label{color:var(--color-muted);font-size:12px}.social-grid-dark .social-label{color:rgba(255,255,255,.7)}.social-qr-popover{background:var(--color-white);border:1px solid var(--color-line);border-radius:var(--radius-md);box-shadow:0 22px 70px rgba(0,0,0,.22);color:var(--color-ink);display:grid;grid-gap:10px;gap:10px;justify-items:center;left:50%;padding:16px;position:absolute;top:calc(100% + 12px);transform:translateX(-50%);width:230px}.social-qr-popover img{border-radius:var(--radius-sm);height:auto;width:100%}.social-qr-popover strong{font-size:16px}.social-qr-popover span{color:var(--color-muted);font-size:12px}.login-page{align-items:center;background:radial-gradient(circle at 76% 16%,rgba(230,6,31,.16),transparent 30%),linear-gradient(120deg,#0b0b0c,#1d1b1b);display:flex;min-height:100vh;justify-content:center;padding:24px}.login-stage{background:linear-gradient(90deg,transparent 0 39px,rgba(255,255,255,.04) 39px 40px),#080808;background-size:40px 40px,auto;border:1px solid rgba(255,255,255,.12);border-radius:18px;box-shadow:0 30px 110px rgba(0,0,0,.34);display:grid;grid-gap:42px;gap:42px;grid-template-columns:minmax(0,1fr) 360px;max-width:1040px;padding:46px;width:100%}.login-brand-panel{color:var(--color-white);display:flex;flex-direction:column;justify-content:center}.login-brand-panel img{margin-bottom:60px;max-height:44px;width:-moz-fit-content;width:fit-content}.login-brand-panel span{color:rgba(255,255,255,.76)}.login-brand-panel h1{font-size:clamp(34px,4vw,52px);margin:14px 0}.login-brand-panel p{color:rgba(255,255,255,.68);line-height:1.75;max-width:460px}.login-feature-list{display:grid;grid-gap:10px;gap:10px;margin-top:38px;max-width:270px}.login-feature-list span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);color:rgba(255,255,255,.78);padding:9px 12px}.login-card{align-self:center;background:var(--color-white);border:1px solid var(--color-line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);display:grid;grid-gap:18px;gap:18px;padding:32px;width:min(100%,380px)}.login-card-head span{color:var(--color-lvfan-red);font-size:13px;font-weight:var(--font-weight-level-1)}.login-card h1{font-size:34px;margin:8px 0}.form-message,.login-card p{color:var(--color-muted);line-height:1.7}.form-message{background:rgba(230,6,31,.08);border-radius:var(--radius-sm);color:var(--color-lvfan-red);margin:0;padding:10px 12px}.captcha-row{display:grid;grid-gap:10px;gap:10px;grid-template-columns:1fr 118px}.captcha-row button{background:var(--color-bg-soft);border:1px solid var(--color-line);border-radius:var(--radius-sm);cursor:pointer;min-height:44px;padding:0}.captcha-row img{height:42px;object-fit:contain;width:100%}.login-submit{width:100%}.admin-layout{background:var(--color-bg-soft);display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}.admin-sidebar{background:var(--color-ink);color:var(--color-white);display:flex;flex-direction:column;gap:24px;padding:24px}.admin-brand{font-size:20px;font-weight:var(--font-weight-level-1)}.admin-sidebar nav{display:grid;grid-gap:8px;gap:8px}.admin-logout,.admin-sidebar a{border-radius:var(--radius-sm);color:rgba(255,255,255,.76);padding:11px 12px;text-align:left}.admin-logout:hover,.admin-sidebar a:hover{background:rgba(255,255,255,.08);color:var(--color-white)}.admin-logout{background:transparent;border:0;cursor:pointer;margin-top:auto;width:100%}.admin-main{padding:32px}.admin-topbar{align-items:center;background:var(--color-white);border:1px solid var(--color-line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);display:flex;gap:10px;justify-content:flex-end;margin-bottom:22px;min-height:54px;padding:0 18px}.admin-topbar span{color:var(--color-muted);font-size:13px}.admin-topbar strong{color:var(--color-ink)}.admin-page-title h1{margin:0 0 8px}.admin-page-title p{color:var(--color-muted);margin:0 0 24px}.admin-card,.metric-card{background:var(--color-white);border:1px solid var(--color-line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);padding:22px}.admin-card h2{margin-top:0}.admin-stack{display:grid;grid-gap:18px;gap:18px}.admin-form-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.admin-form-grid .field:has(.textarea){grid-column:1/-1}.field-wide{grid-column:1/-1}.checkbox-field{align-items:center;display:flex;gap:8px}.admin-check-grid{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.admin-form-actions{align-items:center;display:flex;gap:12px;margin-top:18px}.metric-grid{display:grid;grid-gap:18px;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}.metric-card strong{display:block;font-size:42px}.metric-card span{color:var(--color-muted)}.admin-table{border-collapse:collapse;width:100%}.admin-table-wrap{margin-top:18px;overflow-x:auto}.admin-table td,.admin-table th{border-bottom:1px solid var(--color-line);padding:12px;text-align:left;vertical-align:top;white-space:nowrap}.upload-result{display:grid;grid-gap:12px;gap:12px;margin-top:16px}.password-card{max-width:680px}.password-card p{color:var(--color-muted);line-height:1.7}.upload-result img,.upload-result video{border-radius:var(--radius-sm);max-width:260px}@media (max-width:980px){.header-inner{align-items:center;flex-direction:row;gap:12px;min-height:66px;padding:12px 0}.brand{min-width:0}.brand img{max-height:32px}.header-tools,.nav{display:none}.mobile-menu{display:block}.admin-form-grid,.admin-layout,.categories-hero-inner,.category-grid,.contact-hero-grid,.contact-layout,.footer-layout,.hero-grid,.login-stage,.mini-grid,.overseas-contact-strip,.page-cta-strip,.section-topline,.split-grid{grid-template-columns:1fr}.footer-social-panel{justify-self:stretch}.hero{min-height:auto}.hero-bg-desktop{display:none}.hero-bg-mobile{display:block}.hero-content{padding-top:56px}.hero-visual{display:grid;grid-gap:10px;gap:10px;min-height:0;padding:8px 0 36px}.supply-card{position:relative}.supply-card-main{left:auto;max-width:100%;position:relative;right:auto;top:auto;width:100%}.supply-card-small{bottom:auto;justify-self:start;left:auto;right:auto;top:auto}.supply-card-small.top{bottom:auto;justify-self:end;left:auto;right:auto;top:auto}.login-stage{padding:28px}.login-brand-panel img{margin-bottom:28px}}@media (max-width:640px){.container{width:min(100% - 28px,var(--container-width))}.section{padding:56px 0}.hero-copy{padding:44px 0 24px}.hero h1{font-size:44px}.hero-subtitle{font-size:21px}.category-grid{gap:14px}.captcha-row,.contact-rows div{grid-template-columns:1fr}.login-page{padding:14px}.login-stage{border-radius:12px;padding:20px}.login-card{padding:24px}.social-qr-popover{left:50%;position:fixed;top:50%;transform:translate(-50%,-50%);width:min(86vw,320px)}.social-item-qr[open]:before{background:rgba(0,0,0,.58);content:"";inset:0;position:fixed;z-index:-1}}