*{box-sizing:border-box}html,body{margin:0;max-width:100%;overflow-x:hidden}body{font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:#fff;color:#1F2329;line-height:1.8}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;color:#C90000;padding:8px 12px;z-index:20000}.skip-link:focus{left:8px}a{color:inherit}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(201,0,0,.08);backdrop-filter:blur(10px)}.header-inner{max-width:1280px;min-height:74px;margin:0 auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;text-decoration:none}.site-logo img{display:block;height:48px;width:auto;max-width:160px;object-fit:contain}.logo-text{font-weight:900;font-size:28px;color:#C90000;letter-spacing:.04em}.nav-core{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:#1F2329;padding:10px 4px;position:relative;font-weight:700;text-decoration:none}.nav-core a:hover,.nav-core a.active{color:#C90000}.nav-core a.active::after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:3px;border-radius:999px;background:#C90000}.header-reg-btn{height:44px;min-width:88px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#fff;border-radius:999px;text-decoration:none;font-weight:700;white-space:nowrap}.menu-btn{display:none;width:44px;height:44px;border:0;background:#fff;border-radius:10px;padding:10px;cursor:pointer}.menu-btn span{display:block;height:2px;background:#1F2329;margin:5px 0}.drawer-overlay{position:fixed;inset:0;background:rgba(17,21,28,.55);z-index:11000;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease}.drawer-overlay.open{opacity:1;visibility:visible;pointer-events:auto}.mobile-drawer{position:fixed;z-index:12000;left:0;top:0;bottom:0;width:min(84vw,320px);background:#fff;transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s ease;overflow-y:auto;box-shadow:0 12px 30px rgba(18,28,45,.18)}.mobile-drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{min-height:72px;padding:12px 16px;border-bottom:1px solid #EDF0F4;display:flex;align-items:center;justify-content:space-between}.drawer-logo img{max-width:150px;height:45px;object-fit:contain}.drawer-close{width:42px;height:42px;border:0;background:#F6F7F9;border-radius:10px;font-size:30px;line-height:1;cursor:pointer}.drawer-nav{padding:8px 14px 30px}.drawer-group{padding:10px 0}.drawer-group strong{display:block;color:#8A93A0;font-size:13px;margin:0 8px 4px}.drawer-group a{display:block;text-decoration:none;border-bottom:1px solid #F0F2F5;padding:10px 12px;color:#1F2329}.drawer-group a.active{color:#C90000;border-left:3px solid #C90000;background:#FFF5F5}.drawer-open{overflow:hidden}.site-shell{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:230px minmax(0,1fr);gap:30px;padding:28px 22px 0}.side-channels{position:sticky;top:102px;align-self:start;background:#fff;border:1px solid rgba(201,0,0,.12);border-radius:18px;padding:16px;max-height:calc(100vh - 126px);overflow:auto}.side-group{padding-bottom:12px;margin-bottom:10px;border-bottom:1px solid #F0F2F5}.side-group:last-child{border-bottom:0}.side-group h2{font-size:13px;color:#8A93A0;margin:0 0 6px;padding:0 8px}.side-group a{display:block;padding:8px 10px;border-radius:9px;text-decoration:none;font-size:15px}.side-group a:hover,.side-group a.active{color:#C90000;background:#FFF5F5}.main-content{min-width:0;padding-bottom:80px}.section{padding:74px 0}.section.compact{padding:48px 0}.section-soft{background:#F6F7F9;border-radius:22px;padding-left:28px;padding-right:28px}.eyebrow{display:inline-block;color:#C90000;font-weight:800;font-size:14px;letter-spacing:.08em;margin-bottom:8px}.page-hero{padding:54px 0 34px}.page-hero h1,.home-intro h1{font-size:clamp(32px,5vw,52px);line-height:1.18;margin:0 0 18px;color:#1F2329;letter-spacing:-.02em}.page-hero p,.home-intro p{max-width:820px;font-size:18px;color:#5D6673;margin:0}.section h2{font-size:clamp(26px,3.3vw,34px);line-height:1.35;margin:0 0 18px}.section h3{font-size:21px;line-height:1.45;margin:0 0 10px}.section p{font-size:17px;color:#39414C;margin:0 0 16px}.lead{font-size:18px!important;color:#5D6673!important}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid rgba(201,0,0,.08);border-radius:16px;padding:22px;box-shadow:0 12px 30px rgba(18,28,45,.08);transition:transform .2s ease,border-color .2s ease}.card:hover{transform:translateY(-3px);border-color:rgba(201,0,0,.25)}.card p:last-child{margin-bottom:0}.text-link{color:#C90000;font-weight:700;text-decoration:none}.text-link:hover{text-decoration:underline}.btn{min-height:44px;padding:0 22px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700}.btn-primary{background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#fff}.btn-secondary{border:1px solid rgba(201,0,0,.2);color:#C90000;background:#fff}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#F7F8FA}.media>img{position:absolute;inset:0;width:100%;height:100%;max-width:100%;object-fit:contain;object-position:center center;display:block}.media-ph{width:100%;height:100%;background:linear-gradient(160deg,#F1F3F6,#fff)}.media-card{aspect-ratio:16/10;max-height:210px}.media-block{aspect-ratio:16/10;max-height:300px}.media-banner{aspect-ratio:16/6;min-height:260px;max-height:360px}.media-app{aspect-ratio:9/16;max-width:280px;max-height:460px;margin:0 auto}.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:28px;align-items:center}.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.feature{background:#F6F7F9;border-radius:14px;padding:18px}.feature strong{display:block;color:#C90000;margin-bottom:6px}.hero-slider{position:relative;margin:14px 0 48px}.hero-slide{display:none}.hero-slide.active{display:block}.slider-control{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.92);box-shadow:0 4px 18px rgba(18,28,45,.14);font-size:25px;cursor:pointer}.slider-prev{left:14px}.slider-next{right:14px}.slider-dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px}.slider-dot{width:9px;height:9px;border-radius:50%;border:1px solid rgba(201,0,0,.4);background:#fff;padding:0;cursor:pointer}.slider-dot.active{background:#C90000}.review{border-left:3px solid #C90000}.faq{display:grid;gap:12px}.faq-item{border:1px solid #E7EAF0;border-radius:14px;background:#fff;overflow:hidden}.faq-question{width:100%;border:0;background:#fff;text-align:left;font:inherit;font-weight:800;color:#1F2329;padding:18px 20px;cursor:pointer}.faq-answer{padding:0 20px 18px}.related{display:flex;gap:10px;flex-wrap:wrap}.related a{background:#F6F7F9;padding:9px 13px;border-radius:999px;text-decoration:none}.related a:hover{color:#C90000}.notice{padding:18px 20px;border-radius:14px;background:#FFF5F5;border:1px solid rgba(201,0,0,.12)}.article-wrap{max-width:880px}.article-wrap p{font-size:17px}.site-footer{background:#11151C;color:#E7ECF3;border-top:1px solid rgba(255,255,255,.08)}.footer-inner{max-width:1280px;margin:0 auto;padding:56px 22px 34px;display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:34px}.footer-inner h2{font-size:16px;color:#fff;margin:0 0 14px}.footer-inner a{display:block;color:#E7ECF3;text-decoration:none;padding:4px 0}.footer-inner a:hover{color:#fff}.footer-brand p{color:#AEB6C2;max-width:320px}.footer-logo img{height:45px;width:auto;max-width:150px;object-fit:contain}.footer-logo-text{color:#fff}.footer-bottom{max-width:1280px;margin:0 auto;padding:20px 22px 92px;border-top:1px solid rgba(255,255,255,.08);color:#AEB6C2;font-size:14px}.footer-bottom p{margin:4px 0}.mobile-bottom-nav{display:none}.tag{display:inline-block;padding:5px 9px;border-radius:999px;background:#FFF3F3;color:#C90000;font-size:13px;font-weight:700;margin-right:6px;margin-bottom:6px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.stat{background:#fff;border:1px solid #EDF0F4;border-radius:14px;padding:18px}.stat strong{display:block;color:#C90000;font-size:18px;margin-bottom:6px}:focus-visible{outline:2px solid #C90000;outline-offset:3px}@media(max-width:1100px){.site-shell{grid-template-columns:1fr}.side-channels{display:none}.nav-core{gap:12px}.nav-core a{font-size:14px}.header-inner{gap:12px}}@media(max-width:820px){.nav-core{display:none}.menu-btn{display:block}.header-inner{display:grid;grid-template-columns:44px 1fr auto;gap:10px;min-height:66px;padding:0 14px}.site-logo{justify-content:center}.site-logo img{height:42px;max-width:140px}.header-reg-btn{height:42px;min-width:76px;padding:0 16px}.site-shell{padding:10px 16px 0}.section{padding:56px 0}.section-soft{padding-left:18px;padding-right:18px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.split{grid-template-columns:1fr}.footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom-nav{position:fixed;z-index:9500;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.97);border-top:1px solid #E7EAF0;box-shadow:0 -8px 22px rgba(18,28,45,.08)}.mobile-bottom-nav a{min-height:58px;display:flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700;font-size:14px}.footer-bottom{padding-bottom:90px}}@media(max-width:600px){.page-hero{padding:36px 0 20px}.page-hero p,.home-intro p{font-size:16px}.section p,.article-wrap p{font-size:16px;line-height:1.85}.grid-2,.grid-3,.grid-4,.feature-list,.stats{grid-template-columns:1fr}.media-banner{min-height:150px;max-height:210px}.media-card{max-height:160px}.media-block{max-height:200px}.media-app{max-width:200px;max-height:340px}.slider-control{width:38px;height:38px}.footer-inner{grid-template-columns:1fr;padding-top:44px}.card{padding:18px}.section-soft{border-radius:16px}.header-reg-btn{padding:0 13px;min-width:70px}.logo-text{font-size:24px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.card:hover{transform:none}}