/* 金贝学堂 JinbeiXuetang — site styles. Palette: sky blue / navy / gold */
:root{
  --navy:#0d2a5c; --navy-2:#163b7a; --ink:#1d2b44; --muted:#5b6b85;
  --sky:#eaf4fd; --sky-2:#d6e9fb; --sky-3:#68b0f8; --blue:#2f6fd6;
  --gold:#c9a15a; --gold-2:#e8cf97; --gold-soft:#fbf5e8;
  --white:#fff; --line:#dbe6f3; --ok:#1f9d61; --no:#c0392b;
  --radius:18px; --shadow:0 10px 30px rgba(13,42,92,.08);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{overflow-x:clip}
body{margin:0;font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue)}
.wrap{width:min(1160px,100% - 40px);margin:0 auto}
.narrow{width:min(820px,100% - 40px);margin:0 auto}
h1,h2,h3{font-family:var(--serif);color:var(--navy);line-height:1.3;margin:0 0 .5em}
h1{font-size:clamp(32px,5.2vw,54px);font-weight:900;letter-spacing:.5px}
h2{font-size:clamp(26px,3.6vw,38px);font-weight:900}
h3{font-size:20px;font-weight:800}
p{margin:0 0 1em}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--navy);background:#fff;border:1px solid var(--gold-2);padding:6px 14px;border-radius:999px}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--gold)}
.eyebrow{font-size:13px;letter-spacing:3px;color:var(--gold);font-weight:800;text-transform:uppercase;margin-bottom:10px}
.center{text-align:center}
.muted{color:var(--muted)}
.gold-line{width:56px;height:3px;background:var(--gold);border-radius:3px;margin:14px auto 22px}
section{padding:84px 0}
.bg-sky{background:linear-gradient(180deg,var(--sky),#fff)}
.bg-sky-solid{background:var(--sky)}
.bg-navy{background:var(--navy);color:#e7eef9}
.bg-navy h2,.bg-navy h3{color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:800;font-size:18px;text-decoration:none;border-radius:999px;padding:16px 34px;transition:transform .15s,box-shadow .15s;cursor:pointer;border:0}
.btn-gold{background:linear-gradient(180deg,#d9b46a,#c39448);color:#fff;box-shadow:0 8px 22px rgba(201,161,90,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,161,90,.45)}
.btn-navy{background:var(--navy);color:#fff}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--navy)}
.btn small{font-weight:600;font-size:13px;opacity:.9}
.cta-note{font-size:14px;color:var(--muted);margin-top:12px}
.cta-note b{color:var(--navy)}

/* header */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand img{height:34px;width:auto}
.nav{display:flex;gap:26px;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:600}
.nav a:hover{color:var(--blue)}
.nav .btn{padding:10px 20px;font-size:15px}
@media(max-width:900px){.nav a:not(.btn){display:none}}
.nav .btn{white-space:nowrap}
@media(max-width:480px){.brand img{height:28px}.nav .btn{padding:8px 14px;font-size:13px}}

/* hero */
.hero{padding:56px 0 64px;background:linear-gradient(180deg,var(--sky) 0%,#f6fbff 70%,#fff 100%);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero h1 .gold{color:var(--gold)}
.hero .lead{font-size:18px;color:#3b4a63;margin:18px 0 26px}
.hero .ticks{list-style:none;padding:0;margin:0 0 28px;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}
.hero .ticks li{display:flex;gap:8px;align-items:flex-start;font-weight:600;font-size:15px}
.tick{flex:none;width:20px;height:20px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;display:grid;place-items:center;margin-top:3px}
.price-line{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}
.price{font-family:var(--serif);font-size:44px;font-weight:900;color:var(--navy)}
.price-sub{font-size:15px;color:var(--muted)}
.hero-media{position:relative}
.video-card{background:#fff;border-radius:22px;box-shadow:var(--shadow);padding:12px;border:1px solid var(--line)}
.video-card video{width:100%;border-radius:14px;display:block;background:#dfeefe;aspect-ratio:3/4;object-fit:cover}
.video-cap{text-align:center;font-size:14px;color:var(--muted);padding:10px 0 2px}
.hero-img{border-radius:22px;box-shadow:var(--shadow)}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero{padding-top:34px}.hero .ticks{grid-template-columns:1fr}}

/* trust strip */
.strip{background:var(--navy);color:#e8eefa;padding:18px 0}
.strip .wrap{display:flex;justify-content:space-around;gap:16px;flex-wrap:wrap;font-weight:700;font-size:15px}
.strip span{display:flex;align-items:center;gap:8px}
.strip i{color:var(--gold-2);font-style:normal}

/* cards / grids */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{margin-bottom:8px}
.icon{width:46px;height:46px;border-radius:14px;background:var(--sky);display:grid;place-items:center;font-size:22px;margin-bottom:14px;color:var(--navy);font-weight:900}
.pain .card{border-left:4px solid var(--gold)}

/* exam map */
.exam .card .tag{display:inline-block;font-size:13px;font-weight:800;color:var(--navy);background:var(--gold-soft);border:1px solid var(--gold-2);border-radius:999px;padding:2px 10px;margin-bottom:10px}
.exam .rule{font-size:15px;color:var(--ink);background:var(--sky);border-radius:12px;padding:10px 12px;margin:10px 0}
.exam .covered{font-size:14px;color:var(--muted)}
.footnote{font-size:13px;color:var(--muted);margin-top:18px}

/* steps */
.steps{counter-reset:s}
.step{position:relative;padding-top:54px}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:0;left:26px;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font-weight:900;display:grid;place-items:center;font-family:var(--serif);font-size:18px}
.step.card{padding-top:76px}
.step.card:before{top:24px}

/* included grid */
.inc .item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.inc .item img{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--sky)}
.inc .item .body{padding:18px 20px 22px}
.inc .item h3{font-size:18px;margin-bottom:6px}
.inc .item p{font-size:14px;color:var(--muted);margin:0}
.badge-new{display:inline-block;font-size:12px;font-weight:800;color:#fff;background:var(--gold);border-radius:6px;padding:1px 8px;margin-left:6px;vertical-align:2px;font-family:var(--sans)}

/* module detail rows */
.module{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line)}
.module:last-child{border-bottom:0}
.module.rev .m-img{order:2}
.module .m-img img{border-radius:20px;box-shadow:var(--shadow);width:100%}
.module .num{font-family:var(--serif);font-size:15px;font-weight:900;color:var(--gold);letter-spacing:2px}
.module ul{padding:0;margin:14px 0 0;list-style:none}
.module li{position:relative;padding:7px 0 7px 30px;border-bottom:1px dashed var(--line);font-size:15.5px}
.module li:last-child{border-bottom:0}
.module li:before{content:"✓";position:absolute;left:0;top:7px;width:20px;height:20px;border-radius:50%;background:var(--sky);color:var(--navy);font-size:12px;font-weight:900;display:grid;place-items:center}
.module li b{color:var(--navy)}
.module .fit{display:inline-block;margin-top:14px;font-size:14px;color:var(--navy);background:var(--gold-soft);border:1px solid var(--gold-2);border-radius:10px;padding:6px 12px}
@media(max-width:900px){.module{grid-template-columns:1fr;gap:22px}.module.rev .m-img{order:0}}

/* value box */
.value{background:#fff;border:2px solid var(--gold-2);border-radius:24px;padding:34px;box-shadow:var(--shadow);max-width:760px;margin:0 auto}
.value table{width:100%;border-collapse:collapse;font-size:15.5px}
.value td{padding:10px 4px;border-bottom:1px dashed var(--line)}
.value td:last-child{text-align:right;font-weight:800;color:var(--navy);white-space:nowrap}
.value .total td{border-bottom:0;padding-top:18px;font-size:20px}
.value .total td:last-child{font-family:var(--serif);font-size:34px;color:var(--navy)}

/* compare */
.compare{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare table{width:100%;min-width:640px;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.compare th,.compare td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line);font-size:15px;vertical-align:middle}
.compare th:first-child,.compare td:first-child{text-align:left;font-weight:700;color:var(--ink);width:34%}
.compare thead th{background:#f7fafe;font-family:var(--serif);font-size:18px;color:var(--navy)}
.compare thead th.us{background:var(--navy);color:#fff}
.compare td.us{background:#f3f8ff;font-weight:800;color:var(--navy)}
.compare tr:last-child td{border-bottom:0}
.y{color:var(--ok);font-weight:900}.n{color:#98a3b5;font-weight:700}

/* guarantee */
.guarantee{display:grid;grid-template-columns:180px 1fr;gap:34px;align-items:center;background:#fff;border:2px solid var(--gold-2);border-radius:24px;padding:34px;box-shadow:var(--shadow)}
.seal{width:170px;height:170px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#f2dca8,#c9a15a 60%,#a97f39);display:grid;place-items:center;color:#fff;text-align:center;font-family:var(--serif);font-weight:900;box-shadow:inset 0 0 0 6px rgba(255,255,255,.35),0 10px 24px rgba(169,127,57,.35)}
.seal b{display:block;font-size:46px;line-height:1}
.seal span{font-size:15px;letter-spacing:1px}
@media(max-width:700px){.guarantee{grid-template-columns:1fr;text-align:center}.seal{margin:0 auto}}

/* reviews (hidden until real reviews supplied) */
.reviews .card .stars{color:var(--gold);letter-spacing:2px}
.reviews .who{font-weight:800;color:var(--navy);margin-top:10px}
.reviews .when{font-size:13px;color:var(--muted)}

/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:4px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:800;color:var(--navy);padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:22px;color:var(--gold);line-height:1}
.faq details[open] summary:after{content:"–"}
.faq details p{color:#3b4a63;padding-bottom:10px;margin:0}

/* final cta */
.final{text-align:center;background:linear-gradient(180deg,var(--sky),#fff)}
.final .box{background:#fff;border-radius:26px;padding:46px 26px;box-shadow:var(--shadow);border:1px solid var(--line)}

/* footer */
footer{background:var(--navy);color:#c9d6ea;padding:44px 0 90px;font-size:14px}
footer .cols{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between}
footer a{color:#fff;text-decoration:none}
footer .links a{margin-right:18px}
footer .disc{margin-top:22px;border-top:1px solid rgba(255,255,255,.15);padding-top:18px;color:#9fb1cf;font-size:13px}
footer img{height:30px;filter:brightness(0) invert(1)}

/* sticky mobile buy bar */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(13,42,92,.08);padding:10px 16px;display:none;align-items:center;justify-content:space-between;gap:12px}
.buybar .p{font-family:var(--serif);font-weight:900;color:var(--navy);font-size:22px;line-height:1.1}
.buybar .p small{display:block;font-family:var(--sans);font-size:12px;color:var(--muted);font-weight:600}
.buybar .btn{padding:12px 22px;font-size:16px}
@media(max-width:760px){.buybar.show{display:flex}}

/* simple pages (legal, thank-you) */
.page{padding:56px 0 80px;background:linear-gradient(180deg,var(--sky),#fff 320px)}
.page .paper{background:#fff;border:1px solid var(--line);border-radius:22px;padding:38px;box-shadow:var(--shadow)}
.page h1{font-size:clamp(28px,4vw,40px)}
.page h2{font-size:22px;margin-top:28px}
.page li{margin-bottom:6px}
.dl-list{list-style:none;padding:0;margin:18px 0}
.dl-list li{display:flex;justify-content:space-between;align-items:center;gap:14px;border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:10px;background:#fbfdff}
.dl-list .fn{font-weight:700;color:var(--navy);word-break:break-all}
.dl-list .sz{font-size:13px;color:var(--muted)}
.dl-list .btn{padding:10px 20px;font-size:15px;flex:none}
.alert{border-radius:14px;padding:14px 16px;margin:14px 0;font-size:15px}
.alert.ok{background:#eaf8f0;border:1px solid #bfe7cf;color:#14633d}
.alert.warn{background:var(--gold-soft);border:1px solid var(--gold-2);color:#7a5a1c}
.alert.err{background:#fdeeee;border:1px solid #f3c4c4;color:#8f2a2a}
.form-row{display:flex;gap:10px;flex-wrap:wrap}
.form-row input{flex:1;min-width:220px;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:16px;font-family:inherit}
.form-row input:focus{outline:none;border-color:var(--blue)}
.order-box{border:1px solid var(--line);border-radius:16px;margin:20px 0 26px;overflow:hidden;background:#fff}
.order-head{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;padding:12px 16px;background:var(--sky);font-size:14px;color:var(--navy)}
.order-line{display:flex;justify-content:space-between;gap:14px;padding:14px 16px;border-bottom:1px solid var(--line)}
.order-line .fn{font-weight:700;color:var(--navy)}.order-line .sz{font-size:13px;color:var(--muted)}.order-line .amt{font-weight:700;white-space:nowrap}
.order-sum{padding:10px 16px;font-size:14px}.order-sum div{display:flex;justify-content:space-between;padding:3px 0;color:var(--muted)}
.order-sum .total{color:var(--navy);font-weight:800;font-size:17px;border-top:1px solid var(--line);margin-top:6px;padding-top:8px}
.order-cust{padding:10px 16px 14px;font-size:13px;color:var(--muted);border-top:1px dashed var(--line)}

/* 入籍知识 sidebar (2026-11-07) */
.sb-know{margin-top:22px;border-top:1px solid var(--line);padding:14px 4px 0}
.sb-kh{font-weight:900;color:var(--navy);font-size:14px;margin-bottom:4px;letter-spacing:.5px}
.sb-know a{display:block;padding:6px 2px;color:var(--ink);font-size:14px;text-decoration:none}
.sb-know a:hover{color:var(--blue)}
.sb-know a.sb-more{color:var(--blue);font-weight:700;font-size:13px;margin-top:2px}