html,body{overflow-x:clip}.svc-hero{position:relative;min-height:min(76svh,660px);display:flex;align-items:center;overflow:hidden;padding-block:0}.svc-hero.bleed{padding-inline:clamp(24px,calc(50vw - 660px),172px)}.svc-hero .bg{position:absolute;inset:0;z-index:0;background-image:radial-gradient(circle at center,var(--line) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:radial-gradient(120% 100% at 78% 50%,#000 0%,transparent 68%);mask-image:radial-gradient(120% 100% at 78% 50%,#000 0%,transparent 68%);opacity:.7}.svc-hero .in{position:relative;z-index:1;width:100%;margin-inline:auto;padding-block:clamp(3rem,2rem + 4vw,5rem)}.svc-hero .crumb{margin-bottom:22px}.svc-hero .crumb :where(a,span,li,ol,nav){color:var(--on-deep-3)}.svc-hero .crumb a:hover{color:var(--on-deep)}.svc-hero .kw{font-family:var(--font-mono);font-size:var(--step-meta);letter-spacing:var(--tracking-meta);color:var(--on-deep-accent)}.svc-hero h1{margin-top:16px;max-width:30ch;color:var(--on-deep);font-size:var(--step-h1-long);line-height:1.18}.svc-hero .lede{margin-top:20px;max-width:42em;color:color-mix(in srgb,var(--on-deep) 86%,transparent);font-size:var(--step-h3);line-height:1.8}.svc-hero .facts{list-style:none;margin:26px 0 0;padding:0 0 0 18px;max-width:40em;border-left:2px solid var(--on-deep-accent);display:grid;gap:8px}.svc-hero .facts li{font-size:var(--step-caption);line-height:1.8;max-width:36em;color:color-mix(in srgb,var(--on-deep) 74%,transparent)}.svc-hero .credit{margin-top:26px;font-size:var(--step-meta);letter-spacing:.06em;color:var(--on-deep-3);background:color-mix(in srgb,var(--on-deep) 10%,transparent);display:inline-block;padding:5px 12px;border-radius:var(--r-sm)}.r48-card.sym{gap:12px;border-top:0;position:relative;overflow:hidden}.r48-card.sym:before{content:"";position:absolute;left:0;top:0;width:56px;height:2px;background:var(--tone);opacity:.55}.symico{width:40px;height:40px;border-radius:var(--r-sm);position:relative;background:color-mix(in srgb,var(--ink) 7%,transparent)}.symico:before{content:"";position:absolute;inset:0}.symico.i1:before{background:linear-gradient(var(--tone),var(--tone)) no-repeat 11px 12px/18px 2.5px,linear-gradient(var(--tone),var(--tone)) no-repeat 11px 19px/12px 2.5px,linear-gradient(var(--tone),var(--tone)) no-repeat 11px 26px/15px 2.5px}.symico.i2:before{background:radial-gradient(circle at 20px 20px,transparent 6px,var(--tone) 6.5px,var(--tone) 8.5px,transparent 9px),linear-gradient(45deg,transparent 46%,var(--tone) 46%,var(--tone) 54%,transparent 54%) no-repeat 12px 12px/16px 16px}.symico.i3:before{background:linear-gradient(var(--tone),var(--tone)) no-repeat 12px 11px/2.5px 12px,linear-gradient(var(--tone),var(--tone)) no-repeat 12px 26px/2.5px 2.5px,linear-gradient(var(--tone),var(--tone)) no-repeat 19px 11px/2.5px 18px,linear-gradient(var(--tone),var(--tone)) no-repeat 26px 15px/2.5px 14px}.symico.i4:before{background:radial-gradient(circle at 14px 15px,var(--tone) 3.5px,transparent 4px),radial-gradient(circle at 26px 15px,var(--tone) 3.5px,transparent 4px),radial-gradient(circle at 20px 27px,var(--tone) 3.5px,transparent 4px),linear-gradient(var(--tone),var(--tone)) no-repeat 14px 15px/12px 1.5px}.r48-built .bigrow{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,3vw,52px);align-items:center;background:transparent;padding:0}.r48-built .bigrow.flip .tx{order:2}.r48-built .bigrow.flip .ph{order:1}.r48-built .ph{margin:0;border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}.r48-built .ph img{width:100%;height:auto;display:block}.r48-built .ph figcaption{padding:12px 14px}.r48-built .ph .tag{font-size:var(--step-meta);letter-spacing:.08em;background:var(--deep-bg);color:var(--on-deep);border-radius:var(--r-sm);padding:4px 10px}@media(max-width:900px){.r48-built .bigrow{grid-template-columns:1fr}.r48-built .bigrow.flip .tx{order:1}.r48-built .bigrow.flip .ph{order:2}}.sec-tint{background:var(--surface)}.sec-wash{background:color-mix(in srgb,var(--accent) 6%,var(--bg))}.sec-deep{background:var(--deep-bg);color:var(--on-deep-2)}.sec-deep h2,.sec-deep h3{color:var(--on-deep)}.sec-deep .u-eyebrow{color:var(--on-deep-accent)}.sec-tint,.sec-wash,.sec-deep{padding-block:var(--pad-page)}.bleed{margin-inline:calc(50% - 50vw);padding-inline:calc(50vw - 50%)}.r48-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap-card);margin-top:2rem}.r48-card{background:var(--paper-2);border-radius:var(--r-lg);padding:26px 22px 28px;display:flex;flex-direction:column;gap:10px;border-top:3px solid var(--tone, var(--accent))}.r48-card .no{font-family:var(--font-mono);font-size:var(--step-meta);letter-spacing:var(--tracking-meta);color:var(--tone, var(--accent));font-weight:var(--weight-strong)}.r48-card h3{font-size:var(--step-body);font-weight:700;letter-spacing:-.02em;color:var(--tone, var(--accent))}.r48-card .who{font-size:var(--step-caption);color:var(--text);font-weight:var(--weight-body, 400)}.r48-card p{font-size:var(--step-caption);color:var(--muted);line-height:1.85}.r48-card ul{list-style:none;display:grid;gap:7px;margin:4px 0 0;padding:0}.r48-card li{font-size:var(--step-caption);color:var(--muted);display:grid;grid-template-columns:14px 1fr;gap:9px;line-height:1.8}.r48-card li:before{content:"·";color:var(--tone, var(--accent));font-weight:var(--weight-strong)}.r55-boards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,52px);margin-top:2.25rem}.r55-board h3{font-size:var(--step-body);font-weight:700;letter-spacing:-.02em;padding-bottom:12px;border-bottom:2px solid var(--accent)}.r55-board .lede{margin-top:12px;font-size:var(--step-meta);color:var(--muted);line-height:1.8}.r55-board ul{list-style:none;margin:14px 0 0;padding:0;display:grid}.r55-board li{padding:12px 0;border-top:1px solid var(--border);display:grid;gap:3px}.r55-board li b{font-size:var(--step-caption);font-weight:var(--weight-strong);color:var(--text)}.r55-board li b em{font-style:normal;margin-inline-start:8px;padding:2px 8px;border:1px solid var(--border);border-radius:var(--r-pill, 999px);font-size:var(--step-meta);font-weight:var(--weight-body, 400);color:var(--muted);white-space:nowrap}.r55-board li span{font-size:var(--step-meta);color:var(--muted);line-height:1.8}.r55-warranty{margin-top:clamp(40px,5vw,72px)}.r55-warranty>h3{font-size:var(--step-body);font-weight:700;letter-spacing:-.02em}.r55-warranty .cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,52px);margin-top:1.25rem}.r55-warranty .hd{font-size:var(--step-caption);font-weight:var(--weight-strong);letter-spacing:var(--tracking-meta);padding-bottom:10px;border-bottom:2px solid var(--border)}.r55-warranty .yes .hd{border-bottom-color:var(--accent)}.r55-warranty ul{list-style:none;margin:0;padding:0}.r55-warranty li{padding:12px 0;border-bottom:1px solid var(--border);display:grid;grid-template-columns:1.1em 1fr;gap:2px 8px}.r55-warranty li:before{grid-row:span 2;font-weight:var(--weight-strong);color:var(--muted);line-height:1.7}.r55-warranty .yes li:before{content:"✓";color:var(--accent)}.r55-warranty .no li:before{content:"✕"}.r55-warranty li b{font-size:var(--step-caption);font-weight:var(--weight-strong);color:var(--text)}.r55-warranty li span{font-size:var(--step-meta);color:var(--muted);line-height:1.8}@media(max-width:900px){.r55-boards,.r55-warranty .cols{grid-template-columns:1fr}}.r48-tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,17em),1fr));gap:var(--gap-card);align-items:start;margin-top:2.25rem}@media(min-width:900px){.r48-tier.rec{margin-block-start:-14px}.r48-tier.rec .body{padding-block:34px 36px}}.r48-tier{background:var(--paper-2);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column}.r48-tier .head{background:var(--deep-bg);color:var(--on-deep);padding:20px 24px;font-weight:var(--weight-strong);font-size:var(--step-h3);letter-spacing:-.02em;position:relative}.r48-tier .body{padding:26px 24px 30px;display:flex;flex-direction:column;gap:14px;flex:1}.r48-tier .amount{display:flex;align-items:baseline;gap:6px;font-variant-numeric:tabular-nums;letter-spacing:-.045em}.r48-tier .amount b{font-size:var(--step-h2);font-weight:var(--weight-strong);line-height:1}.r48-tier .amount>span{font-size:var(--step-caption);color:var(--muted);letter-spacing:0}.r48-tier .amount b span{font-size:inherit}.r48-tier .sum{font-size:var(--step-caption);color:var(--muted);line-height:1.85}.r48-tier ul{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:11px}.r48-tier li{font-size:var(--step-caption);display:grid;grid-template-columns:16px 1fr;gap:10px;line-height:1.8}.r48-tier li:before{content:"✓";color:var(--accent);font-weight:var(--weight-strong)}.r48-tier.rec{background:color-mix(in srgb,var(--accent) 7%,var(--paper-2))}.r48-tier.rec .head{background:var(--accent);color:var(--accent-contrast)}.r48-tier.rec .head:after{content:"建議方案";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:var(--step-meta);letter-spacing:.1em;background:var(--accent-contrast);color:var(--accent);border-radius:999px;padding:4px 12px}.r48-tier.rec li:before{content:"★"}.r48-cite{border-left:3px solid var(--accent);padding-left:24px;max-width:46em}.r48-cite blockquote{margin:0;font-size:var(--step-h3);line-height:1.7;font-weight:var(--weight-strong)}.r48-cite .orig{margin-top:12px;font-size:var(--step-caption);color:var(--muted);line-height:1.7;font-style:italic}.r48-cite .meta{margin-top:14px;font-size:var(--step-caption);color:var(--muted)}.r48-cite .meta a{color:var(--accent);border-bottom:1px solid currentColor}.r48-cite .why{margin-top:16px;max-width:36em;font-size:var(--step-caption);color:var(--text);line-height:1.85}.r48-stack{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15em),1fr));gap:2rem var(--gap-card);margin-top:2rem}.r48-stack h3{font-size:var(--step-meta);letter-spacing:var(--tracking-meta);text-transform:uppercase;color:var(--accent);font-weight:var(--weight-strong);padding-bottom:12px;border-bottom:1px solid var(--border)}.r48-stack ul{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:13px}.r48-stack li{font-size:var(--step-caption);line-height:1.75}.r48-stack li b{display:block;font-weight:var(--weight-strong)}.r48-stack li span{color:var(--muted)}.r48-built{display:grid;grid-template-columns:1fr;gap:clamp(28px,3vw,56px);margin-top:2rem}.r48-built article:not(.bigrow){background:var(--paper-2);border-radius:var(--r-lg);padding:28px 26px 30px}.r48-built h3{font-size:var(--step-body);font-weight:700;letter-spacing:-.02em}.r48-built dl{margin:16px 0 0;display:grid;grid-template-columns:5.5em 1fr;gap:10px 16px}.r48-built dt{font-size:var(--step-meta);letter-spacing:var(--tracking-meta);color:var(--accent);font-weight:var(--weight-strong);padding-top:3px}.r48-built dd{margin:0;font-size:var(--step-caption);color:var(--muted);line-height:1.85}.r48-built .go{display:inline-block;margin-top:18px;font-size:var(--step-caption);font-weight:var(--weight-strong);color:var(--accent);border-bottom:1px solid transparent}.r48-built article:hover .go{border-color:var(--accent)}.r48-trust{display:grid;grid-template-columns:minmax(280px,1fr) 1.35fr;gap:clamp(24px,3vw,56px);align-items:start}.r48-trust .list{display:grid;gap:14px}.r48-trust .g{background:var(--paper-2);border-radius:var(--r-lg);padding:22px 24px}.sec-deep .r48-trust .g{background:color-mix(in srgb,var(--on-deep) 6%,transparent)}.r48-trust .g h3{font-size:var(--step-body);font-weight:700;letter-spacing:-.02em}.r48-trust .g p{margin-top:8px;font-size:var(--step-caption);color:var(--muted);line-height:1.85}.sec-deep .r48-trust .g p{color:var(--on-deep-3)}.r48-trust .g .src{margin-top:10px;font-size:var(--step-meta);color:var(--muted-2);letter-spacing:.04em}.r48-trust .more{margin-top:6px;font-size:var(--step-caption);color:var(--on-deep-3);line-height:1.85}.r48-trust .more a{color:var(--on-deep);text-decoration:underline;text-underline-offset:.18em}@media(max-width:1024px){.r48-cards{grid-template-columns:repeat(2,1fr)}.r48-tiers{grid-template-columns:1fr}.r48-stack{grid-template-columns:repeat(2,1fr)}.r48-built,.r48-trust{grid-template-columns:1fr}}@media(max-width:620px){.r48-cards,.r48-stack{grid-template-columns:1fr}.r48-built dl{grid-template-columns:1fr;gap:4px}}.r48-shots{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap-card);margin-top:2rem}.r48-shots figure{margin:0}.r48-shots img{width:100%;height:auto;border-radius:var(--r-lg);background:var(--surface)}.r48-shots figcaption{margin-top:12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:var(--step-caption)}.r48-shots .tag{font-size:var(--step-meta);letter-spacing:.08em;background:var(--deep-bg);color:var(--on-deep);border-radius:var(--r-sm);padding:4px 10px;white-space:nowrap}.r48-shots figcaption a{color:var(--accent);font-weight:var(--weight-strong)}.r48-shots figcaption a:hover{text-decoration:underline}@media(max-width:700px){.r48-shots{grid-template-columns:1fr}}