:root{
  --ink:#2b1420;--paper:#faf3f6;--card:#fffbfd;--line:#ead7e0;
  --accent:#8f1f45;--accent2:#c2486e;--gold:#c98b2e;--mut:#7c5b68;--maxw:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"Noto Serif SC","Songti SC",Georgia,serif;line-height:1.8}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
ul.list{margin:14px 0 0 22px}
ul.list li{margin-bottom:10px}

/* header */
header.site{position:sticky;top:0;z-index:50;background:#fdf7fa;border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-weight:900}
.logo .mark{color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));padding:5px 10px;border-radius:10px;font-size:1rem;letter-spacing:.02em}
.logo .word{font-size:1.22rem;color:var(--accent);letter-spacing:.02em}
nav.main{display:flex;gap:20px;align-items:center;font-size:.9rem;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
nav.main a{color:#5d3f4c;padding:6px 2px;border-bottom:2px solid transparent;font-weight:600}
nav.main a:hover,nav.main a.active{color:var(--accent);border-color:var(--accent2)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--ink);cursor:pointer}

/* buttons */
.btn{display:inline-block;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:12px 28px;border-radius:999px;font-weight:700;font-size:.92rem;transition:transform .15s,box-shadow .15s;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(143,31,69,.28)}
.btn.ghost{background:transparent;color:var(--accent);border:1.5px solid var(--accent2)}
.btn.sm{padding:8px 18px;font-size:.84rem}

/* hero */
.hero{padding:64px 0 56px;background:
  radial-gradient(circle at 85% 15%,#f6dfe8 0,transparent 45%),
  radial-gradient(circle at 8% 85%,#f5e3ca 0,transparent 46%),var(--paper)}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.eyebrow{display:inline-block;color:var(--accent2);font-weight:800;letter-spacing:.22em;font-size:.78rem;margin-bottom:16px;border:1px solid var(--line);background:#fff8fb;padding:6px 16px;border-radius:999px}
.hero h1{font-size:clamp(2.6rem,6.5vw,4.4rem);line-height:1.0;color:var(--accent);font-weight:900}
.hero .sub{margin:20px 0 0;max-width:600px;color:#6b4455;font-size:1.02rem}
.hero .cta-row{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.hero-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 18px 40px rgba(120,40,70,.12)}
.jewel{width:86px;height:86px;border-radius:22px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:900;color:#fff;margin-bottom:20px;letter-spacing:.02em}
.hl{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:.9rem}
.hl:last-child{border-bottom:0}
.hl span{color:var(--mut)}
.hl b{color:var(--accent);text-align:right}

/* sections */
section.blk{padding:58px 0}
section.blk.alt{background:#f6e3ec}
h2.sec{font-size:1.6rem;font-weight:800;margin-bottom:10px;color:var(--accent)}
p.sec-sub{color:var(--mut);margin-bottom:28px;max-width:640px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 8px 22px rgba(120,40,70,.06);font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.card h3{font-size:1.12rem;margin-bottom:8px;color:var(--accent)}
.card p{color:#6b4455;font-size:.93rem}
.char{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.char b{display:block;color:var(--accent);font-size:1.05rem;margin-bottom:4px}
.char span{color:var(--mut);font-size:.82rem}
.note{background:#fbeef3;border-left:4px solid var(--accent2);padding:16px 20px;border-radius:8px;color:#6b4455;font-size:.9rem;margin-top:26px;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.narrow{max-width:820px!important}

/* page header */
.phead{padding:52px 0 30px;border-bottom:1px solid var(--line)}
.phead h1{font-size:clamp(1.9rem,4.4vw,2.8rem);color:var(--accent);font-weight:900;line-height:1.15}
.lede{margin-top:14px;max-width:690px;color:#6b4455;font-size:1.02rem}
.crumb{font-size:.84rem;color:var(--mut);margin-bottom:18px;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.crumb a{color:var(--accent2)}

/* pro */
.pro{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;margin-bottom:22px;box-shadow:0 8px 22px rgba(120,40,70,.06)}
.pro h3{color:var(--accent);font-size:1.25rem;margin-bottom:8px}
.pro p{color:#6b4455}
.pro-tag{display:inline-block;background:var(--accent);color:#fff;font-size:.75rem;padding:3px 12px;border-radius:999px;margin-bottom:12px;font-family:"PingFang SC",sans-serif}

/* table */
table.tb{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;font-family:"PingFang SC","Microsoft YaHei",sans-serif;margin-bottom:26px}
.tb th,.tb td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
.tb th{background:#f6e3ec;color:#5d3f4c;font-weight:800}

/* FAQ */
.faqwrap{display:flex;flex-direction:column;gap:12px}
.faq{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.faq summary{padding:18px 22px;cursor:pointer;font-weight:700;color:var(--accent);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--accent2)}
.faq[open] summary::after{content:"\2013"}
.faq .a{padding:4px 22px 18px;color:#6b4455;font-size:.93rem}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:60px;padding:40px 0 34px;color:var(--mut);font-size:.88rem;background:#fdf7fa;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.ft{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.ft nav{display:flex;gap:18px;flex-wrap:wrap}
.ft nav a:hover{color:var(--accent)}

@media(max-width:900px){
  .hero-in{grid-template-columns:1fr}
  .g4,.g5{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .g2{grid-template-columns:1fr}
  .nav-toggle{display:block}
  nav.main{position:fixed;top:64px;left:0;right:0;background:#fdf7fa;flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:flex}
  nav.main .btn{display:inline-block}
  .phead{padding:38px 0 22px}
  .hero{padding:46px 0 40px}
}
@media(max-width:520px){.g4,.g5{grid-template-columns:repeat(2,1fr)}}