*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0e141f;--card:#151f2e;--line:rgba(122,180,205,.16);--ink:#e3ecf3;--mut:#8ba0b1;--acc:#6fb9d6;--acc2:#a8dcf0;--r:14px}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:16px/1.75 "PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
h1,h2{font-family:Georgia,"Noto Serif SC","Songti SC","SimSun",serif;font-weight:700}
a{color:inherit;text-decoration:none}
.wrap{max-width:760px;margin:0 auto;padding:0 18px 110px}
.bar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:12px 18px;background:rgba(14,20,31,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar .b{font-family:Georgia,"Noto Serif SC",serif;font-size:17px;letter-spacing:.5px;font-weight:700}
.bar .b i{color:var(--acc);font-style:normal}
.bar nav a{margin-left:16px;font-size:.86rem;color:var(--mut)}
.bar nav a:hover{color:var(--acc2)}
.hero{padding:44px 0 6px}
.hero h1{font-size:clamp(24px,6.4vw,34px);line-height:1.32}
.hero .sub{color:var(--mut);margin-top:10px;font-size:.95rem}
.hero .tel{display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:10px 18px;border:1px solid var(--line);border-radius:999px;font-size:.9rem}
.hero .tel b{color:var(--acc2);font-size:1.05rem;letter-spacing:.5px}
.hero .btns{margin-top:18px}
.hero .btns .b1,.hero .btns .b2{flex:1;text-align:center;padding:13px 18px;font-size:.95rem}
.sec{margin-top:26px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px}
.sec h2{font-size:1.25rem;margin-bottom:14px;color:#fff}
.sec h2 .k{color:var(--acc)}
.muted{color:var(--mut);font-size:.9rem}
ol.toc{list-style:none;counter-reset:t}
ol.toc li{counter-increment:t;border-bottom:1px dashed var(--line);padding:13px 0}
ol.toc li:last-child{border-bottom:0}
ol.toc a{display:flex;gap:12px;align-items:baseline}
ol.toc a::before{content:counter(t,decimal-leading-zero);color:var(--acc);font-family:Georgia,serif;font-size:.85rem;min-width:26px}
ol.toc b{font-weight:600;font-size:.98rem}
ol.toc span{display:block;color:var(--mut);font-size:.8rem;margin-top:2px}
.step{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.step:last-of-type{border-bottom:0}
.step .n{flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--acc);color:var(--acc2);display:flex;align-items:center;justify-content:center;font-family:Georgia,serif}
.step h3{font-size:1rem;margin-bottom:4px}
.step p{color:var(--mut);font-size:.88rem}
img.shot{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line);margin-top:12px}
.ph{display:flex;align-items:center;justify-content:center;text-align:center;background:#101926;border:1px dashed var(--line);border-radius:12px;color:var(--mut);font-size:.78rem;line-height:1.7;margin-top:12px}
.ph b{color:var(--acc2)}
.call{margin-top:14px;padding:12px 14px;border-left:3px solid var(--acc);background:#111b29;border-radius:0 10px 10px 0;font-size:.86rem;color:var(--mut)}
.btns{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.b1{background:var(--acc);color:#0a1420;font-weight:700;padding:11px 26px;border-radius:999px;font-size:.92rem}
.b2{border:1px solid var(--acc);color:var(--acc2);padding:11px 26px;border-radius:999px;font-size:.92rem}
details{border-bottom:1px solid var(--line);padding:13px 0}
details:last-child{border-bottom:0}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:10px;font-weight:600;font-size:.95rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--acc);font-family:Georgia,serif}
details[open] summary::after{content:"\2212"}
details p{color:var(--mut);font-size:.88rem;margin-top:8px}
.row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--line);gap:10px}
.row:last-child{border-bottom:0}
.row .t b{font-size:.96rem;display:block}
.row .t span{color:var(--mut);font-size:.8rem}
.row .go{color:var(--acc2);font-size:.86rem;white-space:nowrap}
.qr{display:flex;gap:16px;align-items:center;margin-top:14px}
.qr img{width:130px;height:130px;border-radius:12px;border:1px solid var(--line)}
.dock{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;gap:1px;border-top:1px solid var(--line);background:rgba(17,25,38,.97);backdrop-filter:blur(12px);padding-bottom:env(safe-area-inset-bottom)}
.dock a{flex:1;text-align:center;padding:13px 2px;font-size:.88rem;color:var(--mut);background:#111b29}
.dock a.reg{color:var(--acc2);font-weight:600}
.dock a.main{background:var(--acc);color:#0a1420;font-weight:700}
.foot{margin-top:44px;padding-top:18px;border-top:1px solid var(--line);color:var(--mut);font-size:.8rem;text-align:center;line-height:2}
.foot a{color:var(--acc2);margin:0 7px}
@media(max-width:720px){.bar nav a.hid{display:none}.hero{padding-top:30px}}
@media(min-width:721px){.dock{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}