:root{--paper:#F7F4EC;--ink:#1F3A32;--ink-soft:#33523D;--sage:#6E8B6A;--sage-light:#E7EEE3;--clay:#C0623F;--amber:#E2A33E;--line:#DCD6C8;--muted:#6C7468;--white:#FFFDF8;--radius:12px;--shadow:0 12px 32px rgba(31,58,50,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:Fraunces,Georgia,serif;font-weight:600;letter-spacing:-.02em;margin:0}
h1{font-size:clamp(38px,5vw,62px);line-height:1.04}
h2{font-size:clamp(30px,3.6vw,42px);line-height:1.1}
h3{font-size:22px;line-height:1.25}
p{margin:0 0 1em}
.eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--clay);font-weight:600;margin-bottom:14px}
.lede{font-size:17.5px;color:#4A5A51;max-width:56ch}
.zh{font-family:'Noto Serif SC',serif}
.muted{color:var(--muted)}
.tiny{font-size:12.5px;color:var(--muted);line-height:1.6}
.rule{border:0;border-top:1px solid var(--line);margin:0}
.site-head{position:sticky;top:0;z-index:50;background:rgba(247,244,236,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:28px;min-height:76px}
.brand{display:flex;align-items:center;gap:11px}
.seal{width:38px;height:38px;border-radius:10px;background:var(--clay);color:var(--paper);display:flex;align-items:center;justify-content:center;font-family:'Noto Serif SC',serif;font-size:17px;font-weight:600;flex:0 0 auto}
.brand-word{font-family:Fraunces,serif;font-size:21px;font-weight:600;letter-spacing:-.01em;white-space:nowrap}
.site-nav{display:flex;gap:24px;font-size:14px;color:#40544A;margin-left:8px}
.site-nav a{padding:6px 0;border-bottom:2px solid transparent}
.site-nav a.active,.site-nav a:hover{border-color:var(--clay);color:var(--ink)}
.head-actions{margin-left:auto;display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ink);color:var(--paper);border:1px solid var(--ink);border-radius:999px;padding:11px 20px;font-size:14px;font-weight:600;letter-spacing:.01em;cursor:pointer;transition:transform .15s ease,background .15s ease}
.btn:hover{background:var(--ink-soft);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--sage-light)}
.btn-clay{background:var(--clay);border-color:var(--clay);color:#fff}
.btn-clay:hover{background:#A9502F}
.btn-sm{padding:8px 14px;font-size:13px}
.hero{padding:64px 0 44px;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero .proof{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px;font-size:12.5px;color:var(--muted)}
.hero .proof b{color:var(--ink);font-weight:600}
.hero-art{position:relative;min-height:440px}
.hero-art .cover-main{position:absolute;right:6%;top:0;width:280px;border-radius:10px;box-shadow:0 26px 60px rgba(31,58,50,.18)}
.hero-art .cover-back{position:absolute;left:0;bottom:8%;width:210px;border-radius:10px;transform:rotate(-6deg);box-shadow:0 18px 44px rgba(31,58,50,.16)}
.hero-art .interior{position:absolute;right:0;bottom:-2%;width:250px;border-radius:10px;transform:rotate(3deg);box-shadow:0 18px 44px rgba(31,58,50,.14);border:4px solid var(--paper)}
section{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:34px}
.sec-head .num{font-family:Fraunces,serif;color:var(--clay);font-size:14px;letter-spacing:.06em}
.sec-head h2{max-width:22ch}
.sec-link{font-size:13.5px;font-weight:600;border-bottom:1px solid var(--ink);padding-bottom:2px;white-space:nowrap}
.ladder{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:20px 16px 4px;border-right:1px solid var(--line)}
.step:last-child{border-right:0}
.step .n{font-size:11px;letter-spacing:.12em;color:var(--clay);font-weight:600}
.step h3{font-size:19px;margin:6px 0 2px}
.step p{font-size:12.5px;color:var(--muted);margin:0}
.step a{display:inline-block;margin-top:10px;font-size:12px;font-weight:600;border-bottom:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .16s ease,box-shadow .16s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card img{width:100%;aspect-ratio:1/1;object-fit:cover}
.card .m{padding:13px 15px 15px}
.card .lv{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--clay);font-weight:600}
.card .t{font-family:'Noto Serif SC',serif;font-size:16px;margin-top:3px;line-height:1.3}
.card .e{font-size:12.5px;color:var(--muted);margin-top:2px}
.card .p{font-size:13px;font-weight:600;margin-top:8px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.points{border-top:1px solid var(--line)}
.point{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.point .n{font-family:Fraunces,serif;color:var(--clay);font-size:16px}
.point b{display:block;font-size:15px;margin-bottom:2px}
.point span{font-size:13.5px;color:var(--muted)}
.types{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.type{background:var(--sage-light);border-radius:var(--radius);padding:22px}
.type .big{font-family:Fraunces,serif;font-size:34px;color:var(--ink)}
.type b{display:block;font-size:15px;margin-top:6px}
.type span{font-size:13px;color:#4E6556}
.free{background:var(--white);border:1px solid var(--line);border-top:3px solid var(--clay);border-radius:var(--radius);padding:40px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;box-shadow:var(--shadow)}
.free h2{margin-bottom:10px}
.free ul{list-style:none;margin:16px 0 22px;padding:0}
.free li{font-size:14px;color:#4E5E54;padding:6px 0 6px 24px;position:relative;border-bottom:1px solid var(--line)}
.free li:before{content:'';position:absolute;left:0;top:13px;width:9px;height:9px;border:1.5px solid var(--clay);border-radius:50%}
.free img{width:100%;border-radius:10px;box-shadow:var(--shadow)}
.faq{display:grid;grid-template-columns:1fr 1fr;gap:0 44px;border-top:1px solid var(--line)}
.q{padding:20px 0;border-bottom:1px solid var(--line)}
.q b{display:block;font-size:15px;margin-bottom:4px}
.q span{font-size:13.5px;color:var(--muted)}
.crumbs{font-size:12.5px;color:var(--muted);padding:20px 0 0}
.crumbs a{border-bottom:1px solid var(--line)}
.product{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;padding:34px 0 20px;align-items:start}
.product .cover{border-radius:var(--radius);overflow:hidden;box-shadow:0 24px 60px rgba(31,58,50,.16);border:1px solid var(--line)}
.product h1{font-size:clamp(30px,3.4vw,44px);line-height:1.12}
.product .pinyin{font-size:13px;letter-spacing:.06em;color:var(--muted);margin-top:8px}
.product .sub{font-size:17px;color:#4E5E54;margin-top:8px}
.buybox{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);padding:22px;margin-top:22px}
.buybox .price{font-family:Fraunces,serif;font-size:32px;line-height:1}
.buybox .price small{font-family:Inter,sans-serif;font-size:12.5px;color:var(--muted);font-weight:400;margin-left:6px}
.buybox .note{font-size:12.5px;color:var(--muted);margin-top:8px}
.buybox .btn{width:100%;margin-top:14px}
.facts{width:100%;border-collapse:collapse;margin-top:26px;font-size:14px}
.facts th{text-align:left;font-weight:600;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:9px 0;border-bottom:1px solid var(--line)}
.facts td{padding:11px 0;border-bottom:1px solid var(--line);color:#40544A}
.facts td:first-child{width:34%;color:var(--ink)}
.previews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.previews img{border:1px solid var(--line);border-radius:8px}
.prose{max-width:72ch;font-size:16px}
.prose h2{margin:34px 0 12px;font-size:28px}
.prose h3{margin:26px 0 8px}
.prose ul{padding-left:20px}
.prose li{margin:4px 0}
.callout{background:var(--sage-light);border-left:3px solid var(--sage);padding:18px 22px;border-radius:0 10px 10px 0;margin:22px 0}
.callout b{display:block;margin-bottom:4px}
.filters{display:flex;flex-wrap:wrap;gap:9px;margin:26px 0 22px}
.chip{border:1px solid var(--line);background:transparent;border-radius:999px;padding:8px 14px;font-size:13px;cursor:pointer;color:#40544A}
.chip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-empty{padding:50px 0;color:var(--muted)}
.bundle-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.bundle-item{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:14px;display:flex;gap:12px;align-items:center}
.bundle-item img{width:54px;height:54px;border-radius:6px;object-fit:cover}
.bundle-item b{display:block;font-size:13.5px}
.bundle-item span{font-size:12px;color:var(--muted)}
.band{background:var(--sage-light);padding:52px 0}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.band h2{max-width:20ch}
.site-foot{border-top:1px solid var(--line);padding:46px 0 54px;margin-top:20px;background:#F2EEE3}
.foot-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:28px}
.foot-brand p{font-size:13px;color:var(--muted);max-width:38ch}
.foot-brand .tiny{margin-top:14px}
.site-foot h4{font-family:Inter,sans-serif;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin:0 0 10px;font-weight:600}
.site-foot a{display:block;font-size:13.5px;color:#4E5E54;padding:3px 0}
.site-foot a:hover{color:var(--clay)}
.tag{display:inline-block;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--clay);border:1px solid #E4C9BC;border-radius:999px;padding:3px 9px;margin-right:8px}
.notice{background:#FBF3E3;border:1px solid #EAD6B4;border-radius:10px;padding:14px 18px;font-size:13.5px;color:#6A5637;margin:20px 0}
@media(max-width:980px){.hero,.product,.split,.free,.band .wrap{grid-template-columns:1fr}.hero-art{min-height:380px}.head-in{flex-wrap:wrap;gap:14px;padding:10px 0}.site-nav{order:3;width:100%;overflow:auto;gap:18px}.head-actions{margin-left:auto}.grid,.cat-grid{grid-template-columns:repeat(2,1fr)}.types,.bundle-list{grid-template-columns:repeat(2,1fr)}.ladder{grid-template-columns:repeat(3,1fr)}.faq{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}.previews{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.grid,.cat-grid,.types,.bundle-list{grid-template-columns:1fr}.previews{grid-template-columns:1fr 1fr}.foot-grid{grid-template-columns:1fr}.sec-head{flex-direction:column;align-items:flex-start;gap:8px}}