:root{
--bg:#171F1C;
--bg2:#131A18;
--card:#1F2A26;
--line:#2E3B35;
--main:#E2703A;
--aux:#8FA9B6;
--ink:#EDE9E0;
--body:#B9C4BF;
--dim:#8B9A94;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--body);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}
img{max-width:100%}
a{color:var(--aux)}
h1,h2,h3{font-weight:700;letter-spacing:.01em}
p{margin:0 0 1em}
.top{background:var(--bg2);border-bottom:1px solid var(--line)}
.top__in{max-width:1120px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand__mark{display:block;width:30px;height:30px}
.brand__txt{color:var(--ink);font-weight:700;font-size:18px}
.top__cta{margin-left:auto}
.top__ios{margin-left:0}
.top__seq{background:var(--bg2);border-top:1px solid rgba(237,233,224,.06)}
.top__seqin{max-width:1120px;margin:0 auto;padding:0 24px;display:flex;gap:4px;flex-wrap:wrap}
.top__seq a{display:inline-flex;align-items:baseline;gap:7px;padding:10px 14px;color:var(--dim);text-decoration:none;font-size:14px;border-bottom:2px solid transparent;white-space:nowrap}
.top__seq a b{font-size:11px;color:var(--aux);letter-spacing:.1em;font-weight:600}
.top__seq a[aria-current]{color:var(--ink);border-bottom-color:var(--main)}
.top__seq a[aria-current] b{color:var(--main)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;font-size:15px;border-radius:6px}
.btn.btn-primary{display:inline-flex;width:auto;padding:12px 22px;background:var(--main);color:#1A1008;border:1px solid var(--main);white-space:nowrap}
.btn.btn-primary:hover{background:#F08A57;border-color:#F08A57;color:#1A1008}
.btn.btn-ghost{display:inline-flex;width:auto;padding:11px 20px;background:transparent;color:var(--ink);border:1px solid var(--line);white-space:nowrap}
.btn.btn-ghost:hover{border-color:var(--aux);color:#FFFFFF}
.hero{background:radial-gradient(120% 90% at 78% 8%,rgba(226,112,58,.16),rgba(19,26,24,0) 62%),var(--bg2);border-bottom:1px solid var(--line)}
.hero__in{max-width:1120px;margin:0 auto;padding:54px 24px 62px;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.kicker{display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--aux);border:1px solid var(--line);padding:5px 10px;border-radius:3px}
.hero h1{margin:18px 0 0;font-size:clamp(28px,3.6vw,42px);line-height:1.2;color:var(--ink)}
.hero__lead{margin:18px 0 0;font-size:16px;line-height:1.92;color:var(--body);max-width:54ch}
.hero__note{margin:14px 0 0;font-size:13px;color:var(--dim)}
.hero__btns{margin:26px 0 0;display:flex;gap:12px;flex-wrap:wrap}
.hero__shot{margin:0;display:flex;justify-content:center}
.hero__shot img{display:block;width:auto;max-width:300px;height:auto;border:1px solid var(--line);border-radius:16px;box-shadow:0 26px 62px rgba(0,0,0,.5)}
.sec{padding:60px 0}
.sec--alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sechead{max-width:1120px;margin:0 auto 28px;padding:0 24px}
.sechead h2{margin:10px 0 0;font-size:25px;line-height:1.35;color:var(--ink)}
.sechead .sub{margin:8px 0 0;font-size:14px;line-height:1.8;color:var(--dim);max-width:62ch}
.sechead .kicker{display:block;font-size:11px;color:var(--main);letter-spacing:.14em;border:0;padding:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.wrap--narrow{max-width:820px;margin-left:max(0px,calc((100% - 1120px)/2));margin-right:auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.fold{position:relative;background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 22px 26px;overflow:hidden}
.fold::before{content:"";position:absolute;left:22px;top:0;width:46px;height:2px;background:var(--main)}
.fold::after{content:"";position:absolute;right:0;bottom:0;width:0;height:0;border-style:solid;border-width:0 0 24px 24px;border-color:transparent transparent var(--bg2) transparent}
.fold h3{margin:14px 0 8px;font-size:17px;color:var(--ink)}
.fold p{margin:0;font-size:15px;line-height:1.85;color:var(--body)}
.fold .tag{display:inline-block;font-size:11px;letter-spacing:.1em;color:var(--aux);border:1px solid var(--line);padding:3px 8px;border-radius:3px}
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gal figure{margin:0;background:var(--card);border:1px solid var(--line);padding:14px}
.gal img{display:block;width:100%;height:auto}
.gal figcaption{margin:12px 0 0;font-size:13px;line-height:1.75;color:var(--dim)}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.steps li{display:grid;grid-template-columns:42px 1fr;gap:16px;background:var(--card);border-left:2px solid var(--main);padding:18px 20px}
.steps b{font-size:12px;letter-spacing:.12em;color:var(--main)}
.steps strong{display:block;color:var(--ink);font-size:16px;margin-top:2px}
.steps p{margin:6px 0 0;font-size:15px;line-height:1.85;color:var(--body)}
.tbl{width:100%;border-collapse:collapse;font-size:14px;background:var(--card)}
.tbl th,.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl th{font-size:12px;letter-spacing:.1em;color:var(--aux);font-weight:600}
.tbl td{color:var(--body);line-height:1.8}
.tbl tr:last-child td{border-bottom:0}
.note{margin:18px 0 0;padding:16px 18px;border-left:2px solid var(--aux);background:rgba(143,169,182,.08);font-size:14px;line-height:1.85;color:var(--body)}
.faq{display:grid;gap:12px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:0 18px}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 0;cursor:pointer;color:var(--ink);font-weight:600;font-size:15.5px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--main);font-size:19px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 16px;font-size:15px;line-height:1.88;color:var(--body)}
.cta{background:linear-gradient(135deg,#22302B,#131A18);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta__in{max-width:1120px;margin:0 auto;padding:54px 24px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.cta h2{margin:0;font-size:24px;color:var(--ink)}
.cta .sub{margin:8px 0 0;font-size:14px;color:var(--dim)}
.cta__btns{display:flex;gap:12px;flex-wrap:wrap}
.foot{background:#0F1513;padding:46px 0 0}
.foot__in{max-width:1120px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px}
.foot__brand{display:flex;align-items:center;gap:10px}
.foot__brand .brand__txt{font-size:17px}
.foot__desc{margin:14px 0 18px;font-size:14px;line-height:1.85;color:var(--dim);max-width:34ch}
.foot__col h3{margin:0 0 12px;font-size:12px;letter-spacing:.12em;color:var(--aux);font-weight:600}
.foot__col a{display:block;padding:5px 0;font-size:14px;color:var(--body);text-decoration:none}
.foot__col a:hover{color:var(--ink)}
.foot__col .btn.btn-primary{margin-top:10px;padding:11px 20px;font-size:14px}
.foot__legal{max-width:1120px;margin:36px auto 0;padding:18px 24px 28px;border-top:1px solid var(--line);font-size:12px;line-height:1.9;color:var(--dim)}
.phero{background:var(--bg2);border-bottom:1px solid var(--line)}
.phero__in{max-width:1120px;margin:0 auto;padding:46px 24px 48px}
.phero h1{margin:16px 0 0;font-size:clamp(25px,3vw,34px);line-height:1.3;color:var(--ink)}
.phero p{margin:16px 0 0;font-size:16px;line-height:1.9;color:var(--body);max-width:70ch}
.crumb{font-size:12px;color:var(--dim);letter-spacing:.04em}
.crumb a{color:var(--aux);text-decoration:none}
.rich p{font-size:15.5px;line-height:1.92;color:var(--body)}
.rich h3{margin:26px 0 10px;font-size:17px;color:var(--ink)}
@media (max-width:980px){
.hero__in{grid-template-columns:1fr;gap:34px}
.hero__shot img{max-width:280px}
.gal{grid-template-columns:1fr 1fr}
.cta__in{grid-template-columns:1fr}
.foot__in{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
.top__in{gap:8px}
.brand__txt{font-size:16px}
.top__in .btn.btn-primary{padding:9px 14px;font-size:14px}
.top__in .btn.btn-ghost{padding:8px 12px;font-size:14px}

.top__in{padding:14px 18px}
.top__seqin{padding:0 12px;justify-content:center}
.top__seq a{padding:9px 7px;font-size:12.5px}
.top__seq a b{font-size:10px;letter-spacing:.04em}
.grid2{grid-template-columns:1fr}
.gal{grid-template-columns:1fr}
.fold{padding:20px 18px 24px}
.foot__in{grid-template-columns:1fr}
.hero__in{padding:38px 18px 46px}
.sechead,.wrap,.phero__in,.cta__in,.foot__in,.foot__legal{padding-left:18px;padding-right:18px}
.steps li{grid-template-columns:34px 1fr;padding:16px}
}