*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#141B22;color:#EEF2F7;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}a{color:inherit}img{max-width:100%}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:rgba(20,27,34,.92);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(0,0,0,.22)}.header-inner{max-width:1180px;min-height:70px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;text-decoration:none}.site-logo img,.drawer-logo img,.footer-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}.logo-text{font-weight:800;color:#F4B000;letter-spacing:.08em}.nav-core{display:flex;align-items:center;justify-content:center;gap:4px;min-width:0}.nav-core a{color:#F4B000;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}.nav-core a.is-current,.nav-core a:hover{color:#FFC533;box-shadow:inset 0 -2px 0 #F4B000}.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:#F4B000;color:#141B22;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 10px 24px rgba(244,176,0,.18)}.main-btn:hover{background:#FFC533}.menu-button{display:none;border:0;background:transparent;width:42px;height:42px;padding:9px;cursor:pointer}.menu-button span{display:block;height:2px;background:#F4B000;margin:5px 0}.channel-bar{background:#1A232D;border-top:1px solid rgba(244,176,0,.08);border-bottom:1px solid rgba(244,176,0,.12)}.channel-inner{max-width:1180px;margin:0 auto;padding:0 18px;display:flex;gap:2px;overflow-x:auto;scrollbar-width:thin}.channel-inner a{color:#B9C2CF;text-decoration:none;padding:10px 9px;white-space:nowrap;font-size:14px}.channel-inner a:hover{color:#F4B000}.site-main{min-height:60vh}.section{padding:56px 18px}.section-tight{padding:36px 18px}.container{max-width:1180px;margin:0 auto}.reading{max-width:820px;margin:0 auto}.breadcrumb{max-width:1180px;margin:0 auto;padding:22px 18px 0;color:#8D98A7;font-size:14px}.breadcrumb a{color:#B9C2CF;text-decoration:none}.eyebrow{display:inline-block;color:#F4B000;font-weight:700;letter-spacing:.06em;margin-bottom:8px}.page-hero h1,.home-heading{font-size:clamp(28px,4vw,44px);line-height:1.25;margin:0 0 16px;color:#F4B000}.page-hero p{margin:0;color:#B9C2CF;font-size:18px;max-width:820px}.section h2,.reading h2{font-size:clamp(22px,3vw,30px);color:#F4B000;line-height:1.35;margin:0 0 14px}.reading h3{color:#FFC533;margin-top:24px}.reading p,.reading li,.text-card p,.split-copy p{font-size:17px;color:#EEF2F7}.muted{color:#B9C2CF}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#1A232D;aspect-ratio:16/9;border:1px solid rgba(244,176,0,.14);box-shadow:0 14px 36px rgba(0,0,0,.28)}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#1A232D,#222C36)}.media.compact{max-height:240px}.media.small{max-height:176px}.grid-3,.grid-4,.topic-grid,.help-grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.topic-grid{grid-template-columns:repeat(4,1fr)}.text-card,.topic-card,.step-card,.notice-strip{background:#1A232D;border:1px solid rgba(244,176,0,.14);border-radius:16px;padding:22px;box-shadow:0 14px 36px rgba(0,0,0,.20)}.text-card h2,.text-card h3,.topic-card h3,.step-card h3{color:#F4B000;margin:0 0 10px}.text-link{display:inline-block;color:#F4B000;text-decoration:none;font-weight:700;margin-top:10px}.text-link:hover{color:#FFC533}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center}.split.reverse .media{order:2}.split.reverse .split-copy{order:1}.list-links{display:grid;gap:10px}.list-links a{display:block;padding:13px 14px;background:#1A232D;border:1px solid rgba(244,176,0,.14);border-radius:12px;color:#EEF2F7;text-decoration:none}.list-links a:hover{border-color:#F4B000;color:#F4B000}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:step}.step-card{position:relative;padding-top:58px}.step-card:before{counter-increment:step;content:counter(step);position:absolute;top:18px;left:20px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#F4B000;color:#141B22;font-weight:800}.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.compare article{background:#222C36;border-radius:14px;padding:20px}.compare h3{margin:0 0 8px;color:#F4B000}.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.related a{padding:8px 12px;border:1px solid rgba(244,176,0,.18);border-radius:999px;text-decoration:none;color:#B9C2CF}.related a:hover{color:#F4B000;border-color:#F4B000}.legal-note{background:#10161C;border-left:3px solid #F4B000;padding:18px 20px;border-radius:0 12px 12px 0;color:#D8DEE8}.home-slider-wrap{padding:28px 18px 0}.hero-slider{position:relative;max-width:1180px;height:360px;margin:0 auto;border-radius:16px;overflow:hidden;background:#1A232D;border:1px solid rgba(244,176,0,.14)}.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .35s ease;pointer-events:none}.hero-slide.is-active{opacity:1;pointer-events:auto}.hero-slide .media{height:100%;aspect-ratio:auto;border:0;border-radius:0;box-shadow:none}.hero-prev,.hero-next{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border:0;border-radius:50%;background:rgba(11,16,21,.72);color:#F4B000;font-size:24px;cursor:pointer}.hero-prev{left:14px}.hero-next{right:14px}.hero-dots{position:absolute;left:0;right:0;bottom:12px;z-index:5;display:flex;justify-content:center;gap:8px}.hero-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:#8D98A7;cursor:pointer}.hero-dot.is-active{background:#F4B000}.poster-mid{max-width:1100px;margin:0 auto}.poster-mid .media{height:220px;aspect-ratio:auto}.home-app{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:24px;background:#10161C;border-radius:16px;padding:24px;border:1px solid rgba(244,176,0,.14)}.home-app .media{max-height:220px}.brand-panel{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:start}.brand-panel .media{max-height:260px}.faq-list{display:grid;gap:14px}.faq-item{background:#1A232D;border:1px solid rgba(244,176,0,.14);border-radius:14px;padding:20px}.faq-item h2{font-size:20px;margin:0 0 8px}.table-like{display:grid;gap:1px;background:rgba(244,176,0,.12);border-radius:14px;overflow:hidden}.table-row{display:grid;grid-template-columns:180px 1fr;gap:0;background:#1A232D}.table-row strong,.table-row span{padding:14px 16px}.table-row strong{color:#F4B000;background:#10161C}.floating-tools{position:fixed;right:14px;top:35%;z-index:9000;width:112px;background:#10161C;border:1px solid rgba(244,176,0,.18);border-radius:14px;padding:8px;box-shadow:0 14px 36px rgba(0,0,0,.28)}.floating-tools a,.floating-tools button{display:block;width:100%;margin:5px 0;padding:9px 8px;border:0;border-radius:9px;background:#1A232D;color:#F4B000;text-decoration:none;font:inherit;font-size:13px;text-align:center;cursor:pointer}.floating-tools .float-main{background:#F4B000;color:#141B22;font-weight:700}.site-footer{background:#0B1015;color:#D8DEE8;padding:48px 18px 90px}.footer-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:28px}.footer-grid h2{font-size:16px;color:#F4B000;margin:0 0 10px}.footer-grid a{display:block;color:#B9C2CF;text-decoration:none;margin:7px 0}.footer-grid a:hover{color:#F4B000}.footer-brand p{color:#8D98A7;max-width:280px}.footer-bottom{max-width:1180px;margin:28px auto 0;padding-top:20px;border-top:1px solid rgba(216,222,232,.12);color:#8D98A7;font-size:14px}.footer-bottom span{display:block;margin-top:6px;color:#B9C2CF}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.drawer-open{overflow:hidden}.callout{padding:20px;border-radius:14px;background:#222C36;border:1px solid rgba(244,176,0,.14)}.callout strong{color:#F4B000}.section-rule{border-top:1px solid rgba(244,176,0,.12)}
@media(max-width:1180px){.floating-tools{display:none}.site-main{padding-right:0}}
@media(max-width:980px){.header-inner{min-height:66px}.nav-core{display:none}.menu-button{display:block}.header-action{height:40px;min-width:86px;padding:0 14px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{max-width:150px;height:36px}.channel-bar{display:none}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#1A232D;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.36)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(11,16,21,.52);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-top{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(244,176,0,.12)}.drawer-close{width:38px;height:38px;border:0;background:#10161C;color:#F4B000;border-radius:50%;font-size:26px;cursor:pointer}.drawer-scroll{height:calc(100vh - 66px);overflow-y:auto;padding:16px 18px 32px}.drawer-scroll section{margin-bottom:20px}.drawer-scroll h2{font-size:14px;color:#F4B000;margin:0 0 6px}.drawer-scroll a{display:block;padding:9px 0;color:#D8DEE8;text-decoration:none;border-bottom:1px solid rgba(216,222,232,.08)}.grid-4,.topic-grid{grid-template-columns:repeat(3,1fr)}.split,.brand-panel,.home-app{grid-template-columns:1fr}.split.reverse .media,.split.reverse .split-copy{order:initial}.hero-slider{height:270px}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:10000;background:#141B22;border-top:1px solid rgba(244,176,0,.18);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{padding:12px 6px;text-align:center;color:#F4B000;text-decoration:none;font-size:14px}.site-footer{padding-bottom:110px}}
@media(max-width:680px){.section{padding:36px 16px}.section-tight{padding:26px 16px}.grid-3,.grid-4,.compare,.steps{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,1fr)}.page-hero p,.reading p,.reading li,.text-card p,.split-copy p{font-size:16px}.hero-slider{height:190px}.poster-mid .media{height:145px}.table-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.header-inner{padding:0 10px}.header-action{min-width:82px;padding:0 12px}.site-logo img{max-width:138px}.hero-prev,.hero-next{width:36px;height:36px;font-size:20px}.brand-panel .media,.home-app .media{max-height:none}}
@media(max-width:390px){.header-action{min-width:76px;padding:0 10px;font-size:14px}.site-logo img{max-width:126px}.menu-button{width:40px}.topic-grid{gap:12px}.topic-card{padding:16px}}
