*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#0C0A0A;color:#F6F1EC;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:17px;line-height:1.8;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:#F6F1EC}img{max-width:100%}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#12080A;border-bottom:1px solid rgba(200,16,46,.45);box-shadow:0 8px 22px rgba(0,0,0,.4)}.header-inner{max-width:1120px;min-height:64px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.site-logo{display:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto}.site-logo img,.site-logo-img{display:block;height:36px;width:auto;max-width:148px;object-fit:contain}.logo-fallback{display:inline-flex;align-items:center;height:36px;color:#F6F1EC;font-weight:800;letter-spacing:2px;font-size:20px}.nav-core{display:flex;align-items:center;justify-content:center;gap:4px;min-width:0}.nav-core a{color:#F6F1EC;padding:8px 12px;font-weight:700;text-decoration:none;white-space:nowrap;font-size:15px}.nav-core a.is-current,.nav-core a:hover{color:#FFFFFF;background:#C8102E;border-radius:6px}.main-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:92px;padding:0 16px;background:#C8102E;color:#FFFFFF;border-radius:6px;text-decoration:none;font-weight:700;border:1px solid #E23B4A;white-space:nowrap}.main-btn:hover{background:#9E1026;color:#FFFFFF}.mobile-head{display:none}.index-strip{height:42px;background:#1A0C10;border-bottom:1px solid rgba(200,16,46,.22)}.index-strip-inner{height:42px;max-width:1120px;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:18px;overflow-x:auto;scrollbar-width:none}.index-strip-inner::-webkit-scrollbar{display:none}.index-strip a{display:flex;align-items:center;height:42px;flex:0 0 auto;color:#E7D5D5;text-decoration:none;font-size:14px;white-space:nowrap;border-bottom:2px solid transparent}.index-strip a:hover,.index-strip a.is-current{color:#FFFFFF;border-bottom-color:#C8102E}.mobile-drawer,.drawer-mask{display:none}.site-main{min-height:64vh}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.article{width:min(760px,100%);margin:0 auto}.breadcrumb{margin:22px 0 0;color:#A89290;font-size:14px}.breadcrumb a{color:#E7D5D5;text-decoration:none}.page-hero{padding:32px 0 16px}.page-hero h1,.home-intro h1{font-size:34px;line-height:1.28;margin:0 0 18px;color:#F6F1EC;position:relative;padding-bottom:14px}.page-hero h1:after,.home-intro h1:after{content:"";position:absolute;left:0;bottom:0;width:48px;height:3px;background:#C8102E}.lead{color:#E7D5D5;margin:0;font-size:18px}.home-intro{padding:36px 0 24px}.section{padding:32px 0}.section.compact{padding:24px 0}.content-block{background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px;box-shadow:0 12px 28px rgba(0,0,0,.35);padding:24px}.content-block+.content-block{margin-top:24px}h2{font-size:22px;line-height:1.4;color:#F6F1EC;margin:0 0 14px}h3{font-size:18px;color:#F6F1EC;margin:18px 0 8px}p{margin:0 0 14px;color:#F6F1EC}.muted{font-size:14px;color:#A89290}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:8px;background:#1C1214;aspect-ratio:16/9}.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:#171113;border:1px solid rgba(200,16,46,.18)}.hero-poster{max-width:960px;margin:0 auto;height:180px;aspect-ratio:auto}.hero-poster>img{object-fit:contain}.media.medium{height:210px;aspect-ratio:auto}.media.small{height:162px;aspect-ratio:auto}.home-split{display:grid;grid-template-columns:minmax(0,62fr) minmax(260px,38fr);gap:24px;align-items:stretch}.text-links{display:grid;gap:10px}.text-link{display:block;padding:14px 16px;background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px;color:#F6F1EC;text-decoration:none;font-weight:700}.text-link:hover{border-color:#C8102E}.rule-note{border-top:1px solid #C8102E;border-bottom:1px solid rgba(200,16,46,.35);padding:18px 0;color:#E7D5D5}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.mini-text{background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px;padding:20px}.mini-text p{margin-bottom:10px;color:#E7D5D5}.mini-text a{font-weight:700;text-decoration:none}.prose p{margin-bottom:16px}.prose ul,.prose ol{margin:10px 0 18px;padding-left:24px;color:#F6F1EC}.prose li{margin:7px 0}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.link-row a{padding:8px 12px;border:1px solid rgba(200,16,46,.35);border-radius:6px;text-decoration:none;color:#F6F1EC;background:#160A0C}.link-row a:hover{border-color:#C8102E}.step-list{counter-reset:step;display:grid;gap:14px;margin:18px 0}.step-list>div{position:relative;padding:16px 16px 16px 54px;background:#1C1214;border-left:3px solid #C8102E;border-radius:0 8px 8px 0}.step-list>div:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:15px;width:24px;height:24px;border-radius:50%;background:#C8102E;color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}.compare{width:100%;border-collapse:collapse;margin:16px 0;background:#1C1214}.compare th,.compare td{border:1px solid rgba(200,16,46,.35);padding:12px 14px;text-align:left;vertical-align:top}.compare th{background:#160A0C;color:#F6F1EC}.topic-index{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.topic-index a{padding:14px;background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px;text-decoration:none}.notice-line{padding:14px 16px;border-left:3px solid #C8102E;background:#1C1214;color:#E7D5D5}.question-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}.question-pair p{padding:16px;background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px}.faq-list details{background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px;padding:16px 18px}.faq-list details+details{margin-top:14px}.faq-list summary{cursor:pointer;font-weight:700;color:#F6F1EC}.faq-list details p{margin:12px 0 0;color:#E7D5D5}.service-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-groups section{background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px;padding:20px}.service-groups a{display:block;padding:7px 0;color:#E7D5D5;text-decoration:none}.service-groups a:hover{color:#FFFFFF}.site-footer{background:#080606;border-top:1px solid #C8102E;margin-top:42px;color:#F3E6E6}.footer-grid{max-width:1120px;margin:0 auto;padding:36px 16px 28px;display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:28px}.footer-grid h2{font-size:16px;margin-bottom:10px}.footer-grid a{display:block;color:#F3E6E6;text-decoration:none;font-size:14px;padding:3px 0}.footer-grid p{color:#E7D5D5;font-size:14px}.footer-logo img{height:36px;width:auto;max-width:148px;object-fit:contain}.footer-logo{text-decoration:none}.footer-bottom{max-width:1120px;margin:0 auto;padding:14px 16px 20px;border-top:1px solid rgba(200,16,46,.35);font-size:13px;color:#A89290}.back-top{position:fixed;right:20px;bottom:20px;width:40px;height:40px;border:0;border-radius:50%;background:#C8102E;color:#FFFFFF;cursor:pointer;display:none;z-index:9000;font-size:18px}.back-top.is-visible{display:block}.mobile-bottom{display:none}.btn-inline{margin-top:14px}.btn-inline .main-btn{height:40px}.age-note{padding:16px;border:1px solid rgba(200,16,46,.35);background:#160A0C;border-radius:8px;color:#E7D5D5}.centered{margin-left:auto;margin-right:auto}.spacer-18{height:18px}
@media(max-width:980px){body{font-size:16px;padding-bottom:62px}.desktop-head{display:none}.mobile-head{display:flex;min-height:56px;height:56px;padding:0 14px}.menu-button,.mobile-login{width:72px;flex:0 0 72px;background:none;border:0;color:#F2D6D6;font-size:15px;text-decoration:none}.menu-button{text-align:left;padding:0;cursor:pointer}.mobile-login{text-align:right;display:flex;align-items:center;justify-content:flex-end}.mobile-logo{flex:1 1 auto;justify-content:center;min-width:0}.mobile-logo img{height:32px;max-width:138px}.mobile-logo .logo-fallback{height:32px;font-size:18px}.index-strip{display:none}.site-main{padding-top:0}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#160A0C;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.45);overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);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:64px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(200,16,46,.35)}.drawer-logo img{height:32px;width:auto;max-width:138px;object-fit:contain}.drawer-logo{text-decoration:none}.drawer-close{background:none;border:1px solid rgba(200,16,46,.35);border-radius:6px;color:#F6F1EC;padding:6px 10px}.drawer-nav{padding:14px 0 24px}.drawer-nav section{padding:8px 16px 12px}.drawer-nav h2{font-size:12px;color:#C9A0A6;margin:0 0 6px;font-weight:700}.drawer-nav a{display:block;color:#F6F1EC;text-decoration:none;font-size:16px;padding:9px 10px;border-left:3px solid transparent}.drawer-nav a.is-current{border-left-color:#C8102E;background:#1C1214}.container{width:min(100% - 28px,760px)}.article{width:100%}.page-hero,.home-intro{padding:24px 0 14px}.page-hero h1,.home-intro h1{font-size:28px}.section{padding:24px 0}.section.compact{padding:20px 0}.content-block{padding:18px}.home-split,.three-col,.service-groups,.question-pair{grid-template-columns:1fr}.hero-poster{height:124px;aspect-ratio:auto}.media.medium{height:206px;aspect-ratio:auto}.media.small{height:158px;aspect-ratio:auto}.topic-index{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;padding:28px 16px 22px}.footer-brand{grid-column:1/-1}.back-top{display:none!important}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:54px;background:#0A0607;border-top:1px solid #C8102E;z-index:10000;display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;text-decoration:none;color:#E7D5D5;font-size:14px}.mobile-bottom a.is-current{color:#FFFFFF;background:#160A0C}}
@media(max-width:460px){.mobile-head{padding:0 12px}.menu-button,.mobile-login{width:62px;flex-basis:62px}.mobile-logo img{max-width:126px}.page-hero h1,.home-intro h1{font-size:26px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.content-block{padding:16px}.hero-poster{height:116px;aspect-ratio:auto}.compare th,.compare td{padding:10px 9px;font-size:14px}}


/* 第二版内容体系 */
.kicker{font-size:13px;letter-spacing:.14em;color:#C9A0A6;text-transform:uppercase;margin-bottom:8px}.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.route-item{padding:20px;border-top:3px solid #C8102E;background:#1C1214;border-radius:8px;box-shadow:0 12px 28px rgba(0,0,0,.28)}.route-item p{color:#E7D5D5;font-size:15px}.route-item a{text-decoration:none;font-weight:700}.line-index{display:grid;grid-template-columns:repeat(2,1fr);gap:0 24px}.line-index a{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid rgba(200,16,46,.28);text-decoration:none;color:#E7D5D5}.line-index a:after{content:'→';color:#C8102E}.fact-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(200,16,46,.35);border:1px solid rgba(200,16,46,.35);border-radius:8px;overflow:hidden}.fact-strip>div{background:#160A0C;padding:18px}.fact-strip strong{display:block;color:#fff;margin-bottom:6px}.fact-strip span{color:#A89290;font-size:14px}.quote-note{margin:0;padding:18px 20px;border-left:3px solid #C8102E;background:#160A0C;color:#E7D5D5}.plain-list{margin:0;padding:0;list-style:none}.plain-list li{padding:11px 0;border-bottom:1px solid rgba(200,16,46,.22)}
@media(max-width:980px){.route-grid,.fact-strip{grid-template-columns:1fr}.line-index{grid-template-columns:1fr}}