:root{
  --ink:#171713;
  --ink-soft:#23221e;
  --paper:#f4f0e7;
  --card:#fffdf8;
  --gold:#d6b86f;
  --gold-deep:#8f6b24;
  --gold-pale:#f2e5bd;
  --muted:#6d685f;
  --line:rgba(64,54,38,.16);
  --dark-line:rgba(255,255,255,.13);
  --radius:28px;
  --shadow:0 24px 70px rgba(48,38,20,.1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased}
body,button,a{font:inherit}
a{color:inherit;text-decoration:none}
img{max-width:100%}
h1,h2,h3,p{margin:0}
.mobile-break{display:none}

.site-header{position:sticky;z-index:20;top:0;display:flex;height:68px;align-items:center;justify-content:space-between;gap:28px;padding:0 max(22px,calc((100vw - 1280px)/2));border-bottom:1px solid rgba(255,255,255,.09);color:#fff;background:rgba(23,23,19,.97)}
.brand{display:flex;align-items:center;gap:11px;font-size:13px;font-weight:900;letter-spacing:.12em;white-space:nowrap}
.brand span{width:11px;height:11px;border:3px solid var(--gold);border-radius:50%}
.site-header nav{display:flex;gap:24px;align-items:center}
.site-header nav a{padding:8px 0;color:#c8c2b7;font-size:12px;font-weight:700;white-space:nowrap}
.site-header nav a:hover,.site-header nav a:focus-visible{color:var(--gold)}

.hero{padding:96px 20px 110px;color:#fff;background:radial-gradient(circle at 18% 16%,rgba(53,91,151,.2),transparent 32%),radial-gradient(circle at 82% 74%,rgba(205,130,42,.17),transparent 34%),var(--ink)}
.hero-inner,.section-inner{max-width:1220px;margin:auto}
.hero-copy{max-width:980px}
.eyebrow{color:var(--gold);font-size:11px;font-weight:900;letter-spacing:.17em}
.eyebrow.dark{color:var(--gold-deep)}
.hero h1{margin-top:18px;font-size:clamp(52px,8.2vw,108px);line-height:.96;letter-spacing:-.07em}
.hero h1 span{color:var(--gold-pale)}
.hero-lead{max-width:850px;margin-top:28px;color:#c8c1b6;font-size:clamp(16px,1.6vw,22px);line-height:1.75}

.product-pair{display:grid;gap:20px;margin-top:66px}
.product-card{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);background:#22211d;box-shadow:0 28px 80px rgba(0,0,0,.25)}
.product-media{overflow:hidden;margin:0;aspect-ratio:4/3;background:#2c2a25}
.product-media img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.product-copy{padding:28px}
.product-type{color:var(--gold);font-size:10px;font-weight:900;letter-spacing:.14em}
.product-copy h2{margin-top:13px;color:#fff;font-size:clamp(31px,7.8vw,48px);line-height:1.03;letter-spacing:-.045em}
.price{display:flex;align-items:flex-start;margin-top:23px;color:var(--gold-pale);line-height:1}
.price small{padding-top:8px;font-size:14px;font-weight:900}
.price strong{font-size:clamp(48px,12vw,70px);letter-spacing:-.055em}
.product-copy p{margin-top:19px;color:#c9c2b7;font-size:14px;line-height:1.75}
.positioning{display:inline-flex;margin-top:22px;padding:9px 13px;border:1px solid rgba(214,184,111,.28);border-radius:999px;color:var(--gold-pale);font-size:11px;letter-spacing:.04em}

.shared{padding:102px 20px;background:var(--paper)}
.section-heading{max-width:860px}
.section-heading h2{margin-top:14px;font-size:clamp(40px,8vw,76px);line-height:1.01;letter-spacing:-.06em}
.section-heading>p:last-child{max-width:760px;margin-top:20px;color:var(--muted);font-size:15px;line-height:1.75}
.section-heading.light h2{color:#fff}
.section-heading.light>p:last-child{color:#bfb8ad}
.shared-grid{display:grid;gap:12px;margin-top:48px}
.shared-grid article{min-height:210px;padding:24px;border:1px solid var(--line);border-radius:22px;background:rgba(255,253,248,.9);box-shadow:0 14px 36px rgba(48,38,20,.045)}
.shared-grid span{color:var(--gold-deep);font-size:10px;font-weight:900}
.shared-grid h3{margin-top:35px;font-size:22px;line-height:1.2}
.shared-grid p{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.7}

.differences{padding:108px 20px 120px;color:#fff;background:linear-gradient(150deg,#121210,#201e19)}
.comparison-table{overflow:hidden;margin-top:50px;border:1px solid var(--dark-line);border-radius:26px;background:rgba(255,255,255,.03)}
.comparison-head,.comparison-row{display:grid;grid-template-columns:180px minmax(0,1fr) minmax(0,1fr)}
.comparison-head>div{display:grid;align-content:center;min-height:106px;padding:22px;border-right:1px solid var(--dark-line);color:#f6f2e9;font-size:16px;font-weight:850}
.comparison-head>div:last-child{border-right:0}
.comparison-head span{display:block;margin-bottom:7px;color:var(--gold);font-size:10px;letter-spacing:.12em}
.comparison-row{border-top:1px solid var(--dark-line)}
.comparison-row>h3{display:flex;align-items:center;padding:24px 20px;border-right:1px solid var(--dark-line);color:var(--gold-pale);font-size:14px;line-height:1.45}
.comparison-cell{display:grid;align-content:center;gap:10px;min-height:128px;padding:24px;border-right:1px solid var(--dark-line)}
.comparison-cell:last-child{border-right:0}
.comparison-cell p{color:#cec8be;font-size:13px;line-height:1.75}
.mobile-label{display:none}
.support-state{display:inline-flex;width:max-content;align-items:center;min-height:30px;padding:6px 11px;border-radius:999px;font-size:11px;font-weight:900}
.support-state.no{color:#b7b1a7;background:rgba(255,255,255,.07)}
.support-state.yes{color:#332607;background:var(--gold)}
.table-price{color:#fff;font-size:30px;letter-spacing:-.04em}
.comparison-cell small{color:#aaa399;font-size:12px;line-height:1.55}
.audience-row .comparison-cell{min-height:170px}

.new-generation{padding:112px 20px;color:#fff;background:radial-gradient(circle at 92% 16%,rgba(214,184,111,.17),transparent 30%),#181713}
.generation-layout{display:grid;gap:48px}
.generation-heading h2{margin-top:14px;font-size:clamp(42px,8vw,76px);line-height:1.01;letter-spacing:-.06em}
.generation-heading>p:last-child{max-width:590px;margin-top:22px;color:#c5beb3;font-size:15px;line-height:1.75}
.advantage-list{border-top:1px solid var(--dark-line)}
.advantage-list article{display:grid;grid-template-columns:36px minmax(0,1fr);gap:18px;padding:25px 0;border-bottom:1px solid var(--dark-line)}
.advantage-list article>span{padding-top:4px;color:var(--gold);font-size:10px;font-weight:900}
.advantage-list h3{color:var(--gold-pale);font-size:21px;line-height:1.25}
.advantage-list p{margin-top:8px;color:#beb7ad;font-size:13px;line-height:1.7}

.recommendation{padding:108px 20px;background:var(--paper)}
.choice-grid{display:grid;gap:16px;margin-top:48px}
.choice-card{display:flex;min-height:360px;flex-direction:column;padding:28px;border:1px solid var(--line);border-radius:26px;background:var(--card);box-shadow:var(--shadow)}
.choice-card>span{color:var(--gold-deep);font-size:10px;font-weight:900;letter-spacing:.1em}
.choice-card h3{margin-top:40px;font-size:clamp(28px,6vw,38px);line-height:1.12;letter-spacing:-.04em}
.choice-card p{margin-top:18px;color:var(--muted);font-size:14px;line-height:1.8}
.choice-card a{display:inline-flex;min-height:48px;align-items:center;justify-content:center;margin-top:auto;padding:12px 18px;border:1px solid var(--ink);border-radius:999px;font-size:12px;font-weight:900}
.choice-card a:hover,.choice-card a:focus-visible{color:#fff;background:var(--ink)}
.notes{display:grid;gap:10px;margin-top:24px;padding:24px;border:1px solid var(--line);border-radius:22px;background:rgba(255,253,248,.74)}
.notes strong{margin-bottom:4px;color:var(--gold-deep);font-size:13px}
.notes p{color:var(--muted);font-size:13px;line-height:1.7}

footer{display:grid;gap:10px;padding:44px 20px;color:#aaa49a;background:#11110f;text-align:center}
footer strong{color:#fff;font-size:14px;letter-spacing:.12em}
footer span,footer a,footer small{font-size:11px}
footer a:hover,footer a:focus-visible{color:var(--gold)}

@media(min-width:760px){
  .shared-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .choice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(min-width:960px){
  .hero{padding-top:118px;padding-bottom:132px}
  .product-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .product-copy{padding:34px}
  .shared-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .generation-layout{grid-template-columns:minmax(0,.84fr) minmax(500px,1.16fr);gap:86px;align-items:start}
  .generation-heading{position:sticky;top:108px}
  .choice-card{padding:34px}
}

@media(max-width:759px){
  html{scroll-padding-top:106px}
  .site-header{height:auto;min-height:66px;align-items:flex-start;flex-direction:column;gap:9px;padding:16px 18px 12px}
  .site-header nav{width:100%;gap:20px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
  .site-header nav::-webkit-scrollbar{display:none}
  .site-header nav a{font-size:11px}
  .hero{padding-top:68px;padding-bottom:82px}
  .hero h1{font-size:clamp(48px,13vw,56px);word-break:keep-all}
  .mobile-break{display:block}
  .hero-lead br{display:none}
  .product-pair{margin-top:46px}
  .product-copy{padding:24px}
  .shared,.differences,.new-generation,.recommendation{padding-top:82px;padding-bottom:88px}
  .section-heading h2,.generation-heading h2{font-size:clamp(38px,12vw,53px)}
  .comparison-table{overflow:hidden;border:1px solid var(--dark-line);border-radius:20px;background:rgba(255,255,255,.035)}
  .comparison-head{display:none}
  .comparison-row{display:grid;grid-template-columns:66px minmax(0,1fr) minmax(0,1fr);overflow:hidden;margin:0;border:0;border-top:1px solid var(--dark-line);border-radius:0;background:transparent}
  .comparison-row:first-of-type{border-top:0}
  .comparison-row>h3{justify-content:center;padding:15px 6px;border-right:1px solid var(--dark-line);border-bottom:0;color:var(--gold);background:rgba(0,0,0,.16);font-size:10.5px;line-height:1.55;text-align:center;word-break:keep-all}
  .comparison-cell{width:100%;min-width:0;min-height:0;padding:15px 11px;border-right:1px solid var(--dark-line);border-bottom:0}
  .comparison-cell:last-child{border-right:0}
  .comparison-cell p{font-size:12px;line-height:1.7}
  .mobile-label{display:block;color:#fff;font-size:10px;line-height:1.55;letter-spacing:0}
  .support-state{min-height:28px;padding:5px 8px;font-size:10px}
  .table-price{font-size:24px}
  .audience-row .comparison-cell{min-height:0}
  .choice-card{min-height:390px}
}

@media(max-width:390px){
  .hero,.shared,.differences,.new-generation,.recommendation{padding-right:16px;padding-left:16px}
  .brand{font-size:12px}
  .product-copy h2{font-size:31px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}