*{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;font-size:17px;line-height:1.82}a{color:inherit}img,.media,.card,.grid>*{max-width:100%}button{font:inherit}a:focus-visible,button:focus-visible{outline:2px solid #C90000;outline-offset:3px}
.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{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;flex:0 0 auto}.logo-media{width:160px;height:52px;border-radius:0;background:transparent}.logo-media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:block}.logo-media>.media-ph{display:block;width:100%;height:100%;border-radius:10px;background:linear-gradient(160deg,#F1F3F6,#fff)}
.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;flex:0 0 auto}
.mobile-menu-btn{display:none;width:44px;height:44px;border:0;border-radius:12px;background:#F6F7F9;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}.mobile-menu-btn span{width:20px;height:2px;background:#1F2329;border-radius:999px}.drawer-overlay{position:fixed;inset:0;background:rgba(17,21,28,.55);z-index:10020;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease}.drawer-overlay.open{opacity:1;visibility:visible;pointer-events:auto}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:min(84vw,320px);background:#fff;z-index:10030;transform:translateX(-104%);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:70px;padding:8px 12px 8px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ECEFF3}.drawer-logo-media{width:132px;height:44px}.drawer-close{width:42px;height:42px;border:0;background:#F6F7F9;border-radius:12px;font-size:28px;line-height:1;color:#1F2329}.drawer-groups{padding:10px 16px 22px}.drawer-groups section{margin:0 0 16px}.drawer-groups h2,.channel-sidebar h2{font-size:13px;letter-spacing:.12em;color:#8A93A0;margin:12px 0 6px}.drawer-groups a,.channel-sidebar a{display:block;text-decoration:none;padding:9px 10px;border-bottom:1px solid #F0F2F5;color:#39414C}.drawer-groups a.active,.channel-sidebar a.active{color:#C90000;background:rgba(201,0,0,.05);border-left:3px solid #C90000;padding-left:7px}.drawer-open{overflow:hidden}
.site-layout{max-width:1280px;margin:0 auto;padding:36px 22px 0;display:grid;grid-template-columns:230px minmax(0,1fr);gap:34px}.channel-sticky{position:sticky;top:104px;background:#fff;border:1px solid rgba(201,0,0,.1);border-radius:18px;padding:14px 14px 18px;box-shadow:0 12px 30px rgba(18,28,45,.06);max-height:calc(100vh - 122px);overflow:auto}.channel-sidebar section+section{margin-top:12px}.site-main{min-width:0}
.page-hero{padding:54px 0 42px}.page-hero.compact{padding-bottom:26px}.eyebrow{display:inline-flex;color:#C90000;font-weight:800;font-size:14px;letter-spacing:.06em;margin-bottom:12px}.page-hero h1{font-size:clamp(42px,5vw,56px);line-height:1.14;margin:0 0 18px}.page-hero p{max-width:860px;margin:0;color:#5D6673;font-size:19px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn-primary,.btn-secondary{min-height:46px;padding:0 22px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:800}.btn-primary{background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#fff}.btn-secondary{border:1px solid rgba(201,0,0,.18);color:#C90000;background:#fff}
.section{padding:72px 0}.section.soft{background:#F6F7F9;margin-left:-20px;margin-right:-20px;padding-left:20px;padding-right:20px;border-radius:22px}.section h2{font-size:clamp(28px,3.4vw,36px);line-height:1.24;margin:0 0 18px}.section h3{font-size:22px;line-height:1.35;margin:0 0 10px}.section p{margin:0 0 14px;color:#39414C}.section p:last-child{margin-bottom:0}.section-lead{max-width:880px;color:#5D6673;font-size:18px}.article{max-width:880px;margin:0 auto}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.86fr);gap:34px;align-items:center}.split.reverse .copy{order:2}.split.reverse .visual{order:1}
.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%;object-fit:contain;object-position: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}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:#fff;border:1px solid #ECEFF3;border-radius:18px;padding:22px;box-shadow:0 12px 30px rgba(18,28,45,.08);transition:transform .18s ease,border-color .18s ease}.card:hover{transform:translateY(-3px);border-color:rgba(201,0,0,.22)}.card p{color:#5D6673}.card a{color:#C90000;font-weight:800;text-decoration:none}.points{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.point{background:#fff;border:1px solid rgba(201,0,0,.1);border-radius:16px;padding:20px}.point strong{display:block;color:#C90000;margin-bottom:7px}.notice{border-left:4px solid #C90000;background:rgba(201,0,0,.045);border-radius:0 16px 16px 0;padding:20px 22px}.feedback-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.feedback{background:#fff;border:1px solid #ECEFF3;border-radius:18px;padding:22px;color:#39414C}.feedback strong{color:#C90000;display:block;margin-bottom:8px}
.faq-list{display:grid;gap:12px}.faq-item{border:1px solid #E6E9EE;border-radius:16px;background:#fff;overflow:hidden}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;border:0;background:#fff;text-align:left;padding:18px 20px;font-weight:800;color:#1F2329}.faq-question::after{content:"＋";color:#C90000;font-size:20px}.faq-question[aria-expanded="true"]::after{content:"－"}.faq-answer{padding:0 20px 20px;color:#5D6673}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{padding:10px 14px;background:#F6F7F9;border-radius:999px;text-decoration:none;font-weight:700;color:#39414C}.related-links a:hover{color:#C90000}.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.pill{display:inline-flex;padding:7px 11px;border-radius:999px;background:rgba(201,0,0,.06);color:#C90000;font-weight:700;font-size:14px}.step-list{counter-reset:steps;display:grid;gap:14px}.step-item{position:relative;padding:18px 18px 18px 58px;background:#fff;border:1px solid #ECEFF3;border-radius:16px}.step-item::before{counter-increment:steps;content:counter(steps);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#C90000;color:#fff;font-weight:800;font-size:14px}
.carousel{position:relative}.carousel-slide[hidden]{display:none}.carousel-controls{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 12px;pointer-events:none}.carousel-arrow{pointer-events:auto;width:42px;height:42px;border:1px solid rgba(31,35,41,.12);border-radius:50%;background:rgba(255,255,255,.9);color:#1F2329;font-size:28px;line-height:1}.carousel-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;pointer-events:none}.carousel-dot{pointer-events:auto;width:10px;height:10px;border-radius:50%;border:0;background:rgba(31,35,41,.28);padding:0}.carousel-dot.active{background:#C90000}
.site-footer{margin-top:78px;background:#11151C;color:#E7ECF3;border-top:1px solid rgba(255,255,255,.08)}.footer-grid{max-width:1280px;margin:0 auto;padding:54px 22px 38px;display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:36px}.footer-logo-media{width:150px;height:50px}.footer-brand p{color:#BFC7D2;max-width:320px}.site-footer h2{font-size:16px;margin:0 0 14px;color:#fff}.site-footer nav a{display:block;color:#C9D1DC;text-decoration:none;padding:5px 0}.site-footer nav a:hover{color:#fff}.footer-bottom{max-width:1280px;margin:0 auto;padding:18px 22px 30px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:24px;color:#AEB7C3;font-size:14px}.footer-bottom p{margin:0}.mobile-bottom-nav{display:none}
@media(max-width:1100px){.site-layout{grid-template-columns:minmax(0,1fr)}.channel-sidebar{display:none}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.points{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.nav-core{gap:11px}.nav-core a{font-size:15px}.logo-media{width:140px}.header-inner{gap:12px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split{grid-template-columns:1fr}.split.reverse .copy,.split.reverse .visual{order:initial}}
@media(max-width:767px){body{font-size:16px;padding-bottom:68px}.header-inner{min-height:64px;padding:0 12px;display:grid;grid-template-columns:52px minmax(0,1fr) 80px;gap:8px}.mobile-menu-btn{display:inline-flex;justify-self:start}.nav-core{display:none}.site-logo{justify-self:center}.logo-media{width:120px;height:40px}.header-reg-btn{justify-self:end;height:40px;min-width:72px;padding:0 14px}.site-layout{padding:20px 14px 0}.page-hero{padding:40px 0 30px}.page-hero h1{font-size:clamp(30px,9vw,38px)}.page-hero p{font-size:17px}.section{padding:52px 0}.section.soft{margin-left:-8px;margin-right:-8px;padding-left:8px;padding-right:8px}.section h2{font-size:clamp(24px,7vw,28px)}.grid,.grid.two,.points,.feedback-grid{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}.footer-grid{grid-template-columns:1fr;padding:44px 18px 28px}.footer-bottom{display:block;padding:18px 18px 28px}.footer-bottom p+p{margin-top:8px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:9980;height:62px;background:rgba(255,255,255,.97);border-top:1px solid #E6E9EE;display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;text-decoration:none;font-weight:800;color:#5D6673;font-size:14px}.mobile-bottom-nav a.active{color:#C90000}.site-footer{margin-top:58px}.drawer-logo-media{width:128px;height:42px}}
@media(max-width:430px){.header-inner{grid-template-columns:48px minmax(0,1fr) 74px;padding:0 10px}.logo-media{width:112px;height:38px}.header-reg-btn{min-width:68px;padding:0 12px}.mobile-menu-btn{width:40px;height:40px}.site-layout{padding-left:12px;padding-right:12px}.card,.feedback,.point{padding:18px}.section{padding:48px 0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}.card:hover{transform:none}}