:root{
--bg:#F1F5F3;
--bg-soft:#FAFCFB;
--band:#E3EBE9;
--ink:#17352F;
--ink-2:#3C5751;
--muted:#4B6660;
--line:#C7D8D2;
--deep:#16302C;
--deep-ink:#EAF2EE;
--deep-mut:#A9C2BA;
--wrap:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink-2);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:1.78}
img{max-width:100%;height:auto;display:block}
figure,figcaption,blockquote,dl,dd,table{margin:0}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}

.top{position:sticky;top:0;z-index:40;background:rgba(250,252,251,.94);border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand img{width:44px;height:44px;border-radius:9px}
.brand__t{display:flex;flex-direction:column;line-height:1.15}
.brand__t b{font-size:17px;color:var(--ink);letter-spacing:.02em}
.brand__t i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.14em}
.nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav a{font-size:15px;color:var(--ink-2);padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{text-decoration:none;color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;width:auto;padding:11px 24px;font-size:15px;font-weight:600;border-radius:3px;border:1px solid transparent;white-space:nowrap}
.btn.btn-primary{display:inline-flex;align-items:center;justify-content:center;width:auto;padding:11px 24px;background:var(--ink);color:#F4FAF7;border:1px solid var(--ink);white-space:nowrap}
.btn.btn-primary:hover{background:var(--deep);color:#F4FAF7;text-decoration:none}
.btn.btn-ghost{display:inline-flex;align-items:center;justify-content:center;width:auto;padding:11px 24px;background:transparent;color:var(--ink);border:1px solid var(--line);white-space:nowrap}
.btn.btn-ghost:hover{border-color:var(--ink);color:var(--ink);text-decoration:none}
.top__get{flex:0 0 auto}

.hero{border-bottom:1px solid var(--line);background:var(--bg-soft)}
.hero__in{display:grid;grid-template-columns:1fr 380px;gap:56px;align-items:center;padding:62px 22px 68px}
.kicker{font-size:12px;letter-spacing:.2em;color:var(--muted);margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.18;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.lead{margin-top:20px;font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:44em}
.hero__act{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero__note{margin-top:16px;font-size:13.5px;color:var(--muted)}
.hero__shot{display:flex;flex-direction:column;align-items:center}
.frame{width:100%;max-width:300px;padding:10px;background:#FFFFFF;border:1px solid var(--line);box-shadow:12px 12px 0 0 var(--band)}
.frame img{width:100%;height:auto}
.hero__shot figcaption{margin-top:16px;font-size:13px;color:var(--muted);text-align:center;max-width:300px}

.trust{background:var(--band);border-bottom:1px solid var(--line)}
.trust__in{display:grid;grid-template-columns:repeat(3,1fr);padding:26px 22px}
.trust p{display:flex;align-items:baseline;gap:12px;padding:0 24px;border-left:1px solid rgba(23,53,47,.18)}
.trust p:first-child{border-left:0;padding-left:0}
.trust b{font-size:30px;line-height:1;color:var(--ink);font-weight:700}
.trust span{font-size:13.5px;color:var(--ink-2)}

.sec{padding:74px 0;border-bottom:1px solid var(--line)}
.sec--a{background:var(--bg)}
.sec--b{background:var(--bg-soft)}
.sec--c{background:var(--bg)}
.sechead{max-width:640px;margin-bottom:38px}
.sechead--l{max-width:none}
.sechead__k{display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--muted);padding-bottom:9px;border-bottom:2px solid var(--ink);margin-bottom:14px}
.sechead h2{font-size:31px;line-height:1.3;color:var(--ink);font-weight:700}
.sechead__d{margin-top:12px;font-size:15.5px;color:var(--muted)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--bg-soft);border-left:4px solid var(--ink);padding:26px 24px 24px}
.sec--b .card{background:var(--bg)}
.card h3{font-size:19px;color:var(--ink);margin-bottom:12px;font-weight:700}
.card p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.card__x{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:13.5px!important;color:var(--muted)!important}

.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.gal figure{padding:0}
.gal img{width:auto;max-width:100%;margin:0 auto;height:auto;box-shadow:0 0 0 1px var(--line)}
.gal figcaption{margin-top:14px;font-size:13.5px;line-height:1.7;color:var(--muted);text-align:center}

.entries{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.entry{display:block;padding:26px 24px;background:var(--bg-soft);border:1px solid var(--line);transition:border-color .2s}
.entry:hover{border-color:var(--ink);text-decoration:none}
.entry b{display:block;font-size:18px;color:var(--ink);margin-bottom:9px}
.entry span{font-size:14.5px;color:var(--muted);line-height:1.75}

.qlist{border-top:1px solid var(--line)}
.qlist details{border-bottom:1px solid var(--line)}
.qlist summary{cursor:pointer;list-style:none;padding:20px 34px 20px 0;font-size:17px;color:var(--ink);position:relative}
.qlist summary::-webkit-details-marker{display:none}
.qlist summary::after{content:"+";position:absolute;right:4px;top:18px;font-size:20px;color:var(--muted)}
.qlist details[open] summary::after{content:"−"}
.qlist p{padding:0 34px 22px 0;font-size:15px;line-height:1.85;color:var(--ink-2)}
.more{margin-top:26px;font-size:15px}
.more a{color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:2px}

.cta{background:var(--deep);color:var(--deep-ink);padding:66px 0}
.cta__in{text-align:center}
.cta h2{font-size:30px;line-height:1.32;color:#F4FAF7;font-weight:700}
.cta p{margin:16px auto 26px;max-width:46em;font-size:15.5px;color:var(--deep-mut)}
.cta .btn.btn-primary{background:#F4FAF7;color:var(--deep);border-color:#F4FAF7}
.cta .btn.btn-primary:hover{background:#DFF0E8;color:var(--deep)}

.foot{background:var(--bg);padding:54px 0 26px}
.foot__in{display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px}
.foot__brand{display:flex;flex-direction:column;align-items:center}
.foot__brand img{width:40px;height:40px;border-radius:8px}
.foot__brand b{font-size:16px;color:var(--ink);margin-top:10px}
.foot__brand p{margin-top:6px;font-size:13.5px;color:var(--muted);max-width:34em}
.foot__nav{display:flex;gap:24px;flex-wrap:wrap;justify-content:center}
.foot__nav a{font-size:14px;color:var(--ink-2)}
.foot__bt{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}
.foot__bt>span{font-size:12.5px;color:var(--muted);line-height:1.7;max-width:52em}

.page-hero{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.page-hero__in{padding:52px 22px 54px}
.page-hero h1{font-size:36px;line-height:1.25;color:var(--ink);font-weight:700}
.page-hero .lead{max-width:48em}

.prose{padding:60px 0 70px}
.prose__in{max-width:820px;margin:0 auto;padding:0 22px}
.prose h2{font-size:26px;line-height:1.35;color:var(--ink);margin:44px 0 16px;font-weight:700}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;color:var(--ink);margin:28px 0 10px;font-weight:700}
.prose__in>p{margin-bottom:16px;font-size:16px;line-height:1.9}
.prose__in>ul{margin:0 0 18px}
.prose__in>ul li{position:relative;padding-left:20px;margin-bottom:9px;font-size:15.5px;line-height:1.85}
.prose__in>ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--ink)}
.steps{counter-reset:s;margin:8px 0 26px}
.steps li{counter-increment:s;position:relative;padding:0 0 22px 54px;border-left:1px solid var(--line);margin-left:14px}
.steps li:last-child{border-left-color:transparent;padding-bottom:0}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:-15px;top:-2px;width:30px;height:30px;background:var(--ink);color:#F4FAF7;font-size:13px;display:flex;align-items:center;justify-content:center;font-weight:600}
.steps b{display:block;font-size:17px;color:var(--ink);margin-bottom:6px}
.steps span{font-size:15px;color:var(--ink-2);line-height:1.85}

.tbl{width:100%;border-collapse:collapse;margin:6px 0 26px;font-size:15px}
.tbl-note{font-size:13.5px;color:var(--muted);margin:6px 0 10px}
.tbl th,.tbl td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
.tbl thead th{background:var(--band);color:var(--ink);font-weight:700;font-size:14px}
.tbl tbody tr:nth-child(even){background:var(--bg-soft)}
.tbl td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}

.figwide{margin:8px 0 28px}
.figwide img{width:auto;max-width:min(400px,100%);height:auto;margin:0 auto;box-shadow:0 0 0 1px var(--line)}
.figwide figcaption{margin-top:12px;font-size:13.5px;color:var(--muted);text-align:center}

.qa{border-top:1px solid var(--line);margin-bottom:14px}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{cursor:pointer;list-style:none;padding:18px 34px 18px 0;font-size:16.5px;color:var(--ink);position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:4px;top:16px;font-size:19px;color:var(--muted)}
.qa details[open] summary::after{content:"−"}
.qa p{padding:0 30px 20px 0;font-size:15px;line-height:1.85;color:var(--ink-2)}
.qgroup{margin-bottom:34px}
.qgroup h2{margin-top:0}

.next{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;padding-top:30px;border-top:1px solid var(--line)}
.next a{display:block;padding:20px;background:var(--bg-soft);border:1px solid var(--line)}
.next a:hover{border-color:var(--ink);text-decoration:none}
.next b{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}
.next span{font-size:13.5px;color:var(--muted);line-height:1.7}

@media (max-width:980px){
.top__in{height:auto;flex-wrap:wrap;padding:14px 22px;gap:14px}
.top__get{margin-left:auto}
.nav{flex:1 0 100%;order:3;justify-content:center;flex-wrap:wrap;gap:8px 20px;margin-left:0}
.hero__in{grid-template-columns:1fr;gap:36px;padding:44px 22px 50px}
.hero h1{font-size:35px}
.frame{max-width:280px;margin:0 auto}
.trust__in{grid-template-columns:1fr;gap:16px;padding:22px 22px}
.trust p{border-left:0;padding:0}
.cards{grid-template-columns:1fr;gap:16px}
.gal{grid-template-columns:repeat(2,1fr);gap:20px}
.entries{grid-template-columns:1fr}
.next{grid-template-columns:1fr}
.page-hero__in{padding:40px 22px 42px}
.page-hero h1{font-size:29px}
}
@media (max-width:620px){
.wrap{padding:0 18px}
.top__in{padding:12px 18px}
.brand__t i{display:none}
.nav a{font-size:14px}
.btn.btn-primary,.btn.btn-ghost{padding:10px 18px;font-size:14px}
.hero__in{padding:36px 18px 42px}
.hero h1{font-size:29px}
.lead{font-size:15.5px}
.sec{padding:52px 0}
.sechead h2{font-size:25px}
.gal{grid-template-columns:1fr;gap:26px}
.gal img{margin:0 auto}
.cta{padding:48px 0}
.cta h2{font-size:24px}
.foot{padding:40px 0 20px}
.prose{padding:44px 0 54px}
.prose__in{padding:0 18px}
.prose h2{font-size:22px}
.page-hero__in{padding:34px 18px 36px}
.page-hero h1{font-size:25px}
.steps li{padding-left:44px}
.tbl th,.tbl td{padding:10px 10px;font-size:14px}
.tbl td:first-child{white-space:normal}
}