*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0D1E23;--bg2:#12282F;--panel:#14303A;--line:#20424B;--ink:#E9F1F0;--ink2:#9DB5B3;--accent:#48B3A0;--gold:#D9A85A;--wrap:1160px}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei','WenQuanYi Micro Hei',Arial,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
figure,figcaption,blockquote,dl,table{margin:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 30px}
.top{position:sticky;top:0;z-index:30;background:rgba(13,30,35,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.top__in{display:grid;grid-template-columns:1fr auto auto auto;align-items:center;gap:18px;padding:12px 30px}
.nav{display:flex;gap:22px;font-size:14px;color:var(--ink2)}
.nav a{padding:4px 0;border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease}
.nav a:hover{color:var(--ink);border-color:var(--gold)}
.nav a[aria-current="page"]{color:var(--accent);border-color:var(--accent)}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:700;letter-spacing:.5px}
.brand__mark{display:block;width:30px;height:30px;border-radius:8px}
.brand__name{font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;width:auto;white-space:nowrap;font-size:14px;font-weight:600;padding:9px 18px;border-radius:3px;border:1px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease}
.btn.btn-primary{background:var(--accent);color:#08211E;border-color:var(--accent)}
.btn.btn-primary:hover{background:#5FC7B4;color:#08211E;border-color:#5FC7B4}
.btn.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.btn-ghost:hover{background:rgba(72,179,160,.12);border-color:var(--accent);color:var(--ink)}
.top__in .btn.btn-ghost{color:var(--gold);border-color:rgba(217,168,90,.45)}
.hero{padding:62px 0 56px;background:var(--bg)}
.hero__in{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:0 30px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--gold);border-left:3px solid var(--gold);padding-left:9px;margin-bottom:16px}
h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:.5px}
.lead{margin:18px 0 24px;font-size:16px;color:var(--ink2);max-width:38em}
.hero__btns{display:flex;gap:12px;flex-wrap:wrap}
.hero__note{margin-top:16px;font-size:13px;color:#7E9694}
.hero__shot{position:relative;justify-self:center}
.hero__shot img{display:block;width:auto;max-width:300px;height:auto;margin:0 auto;border-radius:4px;box-shadow:0 0 0 1px var(--line),0 24px 50px -30px rgba(0,0,0,.9)}
.hero__shot::after{content:"免 Root";position:absolute;right:-8px;top:26px;background:var(--gold);color:#20180A;font-size:12px;font-weight:700;letter-spacing:1px;padding:5px 10px;border-radius:2px}
.hero__shot figcaption{margin-top:12px;text-align:center;font-size:12px;color:#7E9694}
.sec{padding:64px 0;border-top:1px solid var(--line)}
.page+.sec{padding-top:34px}
.sec--alt{background:var(--bg2)}
.sec__head{max-width:760px;margin-bottom:34px}
.sec__k{display:block;font-size:12px;letter-spacing:2px;color:var(--accent);margin-bottom:8px}
.sec__head h2{font-size:28px;font-weight:700;line-height:1.35}
.sub{margin-top:12px;color:var(--ink2);font-size:15px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--panel);border-left:4px solid var(--accent);border-radius:3px;padding:22px 22px 24px;transition:border-left-width .18s ease,background .18s ease}
.card:hover{border-left-width:7px;background:#173842}
.card__no{display:block;font-size:12px;color:var(--gold);letter-spacing:2px;margin-bottom:8px}
.card h3{font-size:17px;margin-bottom:8px;font-weight:700}
.card p{font-size:14px;color:var(--ink2);line-height:1.7}
.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:start}
.shot{display:flex;flex-direction:column;background:var(--panel);border-radius:3px;overflow:hidden}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{margin-top:auto;padding:12px 12px 14px;font-size:12px;color:var(--ink2);line-height:1.6;border-top:1px solid var(--line)}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quotes blockquote{background:var(--panel);border-top:3px solid var(--gold);border-radius:3px;padding:22px}
.quotes p{font-size:14px;color:var(--ink2);line-height:1.8}
.quotes footer{margin-top:14px;font-size:12px;color:var(--accent);letter-spacing:1px}
.prose{max-width:800px}
.prose p{margin:14px 0;color:#C6D6D5;font-size:15.5px;line-height:1.9}
.prose h3{margin:28px 0 6px;font-size:18px}
.prose ul{margin:12px 0}
.prose li{position:relative;padding-left:18px;margin:8px 0;color:#C6D6D5;font-size:15px}
.prose li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--accent);border-radius:1px}
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-size:16px;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";display:inline-block;width:18px;color:var(--accent)}
.faq details[open] summary::before{content:"-"}
.faq p{margin:10px 0 2px 18px;color:var(--ink2);font-size:14.5px}
.cta{padding:64px 0;background:var(--bg2);border-top:1px solid var(--line)}
.cta__in{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:34px 36px}
.cta__in h2{font-size:23px;font-weight:700}
.cta__in p{margin-top:8px;color:var(--ink2);font-size:14px}
.cta__btns{display:flex;gap:12px;flex-wrap:wrap}
.page{padding:52px 0 56px;background:var(--bg)}
.page h1{font-size:33px}
.page .lead{max-width:46em}
.infig{margin:26px 0;padding:10px;background:var(--panel);border:1px solid var(--line);border-radius:3px}
.infig img{display:block;width:100%;height:auto}
.infig figcaption{margin-top:9px;font-size:12px;color:var(--ink2);text-align:center}
.foot{background:#0A181C;border-top:1px solid var(--line);padding:44px 0 34px}
.foot__in{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.foot__brand .brand{display:inline-flex;align-items:center;gap:10px}
.foot__desc{margin:12px 0 16px;font-size:13px;color:#8FA6A4;line-height:1.8;max-width:34em}
.foot__nav{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13px;color:var(--ink2);justify-content:flex-end}
.foot__nav a:hover{color:var(--accent)}
.foot__disc{grid-column:1/-1;margin-top:26px;padding-top:18px;border-top:1px solid #16292E;font-size:12px;color:#7B918F;line-height:1.9}
.foot__copy{grid-column:1/-1;margin-top:8px;font-size:12px;color:#5F7573}
@media(max-width:980px){
.top__in{grid-template-columns:auto 1fr;row-gap:10px;padding:12px 22px}
.nav{grid-column:1/-1;grid-row:2;justify-content:center;flex-wrap:wrap;order:3}
.brand{grid-column:1;grid-row:1}
.top__in .btn{grid-row:1}
.top__in .btn.btn-primary{grid-column:2;justify-self:end}
.top__in .btn.btn-ghost{grid-column:2;grid-row:2;justify-self:end}
.hero__in{grid-template-columns:1fr;gap:34px;padding:0 22px}
h1{font-size:31px}
.cards{grid-template-columns:repeat(2,1fr)}
.shots{grid-template-columns:repeat(2,1fr)}
.quotes{grid-template-columns:1fr}
.cta__in{flex-direction:column;align-items:flex-start}
.foot__in{grid-template-columns:1fr}
.foot__nav{justify-content:flex-start}
}
@media(max-width:620px){
.wrap{padding-left:18px;padding-right:18px}
.top__in{display:flex;flex-wrap:wrap;gap:10px;padding:12px 18px}
.brand{flex:1 1 auto}
.top__in .btn{flex:0 0 auto;padding:8px 13px;font-size:13px}
.nav{flex:1 0 100%;justify-content:center;gap:14px;font-size:13px}
.hero{padding:38px 0 40px}
.hero__in{padding:0 18px}
h1{font-size:26px}
.lead{font-size:15px}
.hero__btns .btn{flex:1 1 auto}
.hero__shot img{max-width:262px}
.sec{padding:44px 0}
.sec__head h2{font-size:22px}
.cards{grid-template-columns:1fr}
.shots{grid-template-columns:1fr 1fr;gap:12px}
.shot figcaption{font-size:11px;padding:10px}
.cta__in{padding:24px 20px}
.cta__in h2{font-size:19px}
.page{padding:34px 0 40px}
.page h1{font-size:24px}
.foot{padding:34px 0 26px}
}