.mobile-landing{min-height:100svh;overflow-x:hidden;background:var(--color-brand-cream);color:var(--color-text-primary);font-family:Noto Sans SC,PingFang SC,sans-serif}.mobile-landing__hero{position:relative;min-height:92svh;display:flex;flex-direction:column;isolation:isolate;background-color:var(--color-brand-ink);background-image:var(--landing-hero);background-position:62% center;background-size:cover;background-repeat:no-repeat;color:var(--color-text-inverse)}.mobile-landing__hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(to bottom,#1a16106b,#1a16108c 46%,#1a1610d1)}.mobile-landing__header{width:100%;min-height:64px;display:grid;grid-template-columns:30px auto 1fr;align-items:center;gap:9px;padding:env(safe-area-inset-top,0) 20px 0}.mobile-landing__header img{width:28px;height:28px;object-fit:contain}.mobile-landing__header span{font-family:"Noto Serif SC",serif;font-size:17px}.mobile-landing__header-actions{justify-self:end;display:flex;align-items:center}.mobile-landing__header-actions>small{display:none}.mobile-landing__header-actions a{min-height:36px;display:inline-flex;align-items:center;gap:7px;padding:0 10px;border:1px solid rgba(250,248,245,.34);border-radius:var(--radius-sm);color:var(--color-text-inverse);font-size:var(--font-size-xs);font-weight:550;text-decoration:none;transition:border-color .18s ease,background-color .18s ease}.mobile-landing__header-actions a:hover,.mobile-landing__header-actions a:focus-visible{border-color:var(--color-brand-gold);background:#1a161057}.mobile-landing__header-actions a svg{width:15px;height:15px}.mobile-landing__header-actions a span{font-family:inherit;font-size:inherit}.mobile-landing__hero-copy{width:100%;margin:auto auto 0;padding:0 20px 72px;display:flex;flex-direction:column;align-items:flex-start}.mobile-landing__hero-copy>p,.mobile-landing__features>p,.mobile-landing__showcase-copy>p,.mobile-landing__guide>p{margin:0 0 10px;color:var(--color-brand-gold);font:10px/1.5 Georgia,serif}.mobile-landing__hero-copy h1{margin:0;font:400 40px/1.2 "Noto Serif SC",serif}.mobile-landing__hero-copy strong{margin-top:10px;font-size:var(--font-size-md);font-weight:500}.mobile-landing__hero-copy>span{max-width:430px;margin-top:9px;color:#faf8f5d1;font-size:13px;line-height:1.8;overflow-wrap:break-word}.mobile-landing__download,.mobile-landing__platforms a{width:min(100%,390px);min-height:50px;margin-top:24px;display:flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-md);background:var(--color-brand-gold);color:var(--color-brand-ink);font-size:var(--font-size-base);font-weight:650;text-decoration:none;box-shadow:0 6px 22px #c9a96e52;transition:transform .16s ease,background-color .16s ease}.mobile-landing__download:hover{transform:translateY(-1px)}.mobile-landing__download.is-disabled{cursor:not-allowed;background:#faf8f52e;color:#faf8f5b8;box-shadow:none}.mobile-landing__download svg,.mobile-landing__platforms a svg,.mobile-landing__sticky svg{width:18px;height:18px}.mobile-landing__alt{margin-top:12px;color:#faf8f5c7;font-size:var(--font-size-sm);text-decoration:underline;text-underline-offset:4px;text-decoration-color:#c9a96e8c}.mobile-landing__alt:hover{color:var(--color-text-inverse)}.mobile-landing__meta{width:min(100%,390px);margin:16px 0 0;padding:10px 0 0;display:flex;flex-wrap:wrap;gap:6px 14px;border-top:1px solid rgba(250,248,245,.18);list-style:none}.mobile-landing__meta li{display:inline-flex;align-items:center;gap:6px;color:#faf8f5a8;font-size:var(--font-size-xs);overflow-wrap:break-word}.mobile-landing__meta svg{width:13px;height:13px;color:var(--color-brand-gold)}.mobile-landing__next{position:absolute;bottom:14px;left:50%;transform:translate(-50%);height:28px}.mobile-landing__next span{display:block;width:1px;height:28px;background:#faf8f58c}.mobile-landing__features,.mobile-landing__showcase,.mobile-landing__guide,.mobile-landing__install{padding:44px 20px}.mobile-landing h2{margin:0;font-family:"Noto Serif SC",serif;font-size:24px;font-weight:500;line-height:1.45}.mobile-landing__feature-list{margin-top:22px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mobile-landing__feature-list article{min-width:0;padding:16px 14px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-card);box-shadow:var(--shadow-sm)}.mobile-landing__feature-list svg{width:21px;height:21px;color:var(--color-brand-green)}.mobile-landing__feature-list div{margin-top:12px;display:grid;gap:4px}.mobile-landing__feature-list strong{font-size:var(--font-size-base);font-weight:600}.mobile-landing__feature-list span{color:var(--color-text-muted);font-size:var(--font-size-xs);line-height:1.6;overflow-wrap:break-word}.mobile-landing__showcase{background:var(--color-brand-ink);color:var(--color-text-inverse)}.mobile-landing__showcase-copy>span{display:block;max-width:430px;margin-top:12px;color:var(--color-neutral-500);font-size:var(--font-size-sm);line-height:1.9}.mobile-landing__media-strip{min-width:0;margin-top:26px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;align-items:end}.mobile-landing__media-strip img,.mobile-landing__preview-fallback{width:100%;height:auto;aspect-ratio:.52;border:1px solid rgba(201,169,110,.2);border-radius:var(--radius-md);background:var(--color-neutral-50);object-fit:cover;object-position:top center}.mobile-landing__preview-fallback{display:grid;place-items:center;background:#201c16}.mobile-landing__preview-fallback img{width:72px;height:72px;border:0;object-fit:contain}.mobile-landing__guide-list{margin-top:22px;display:grid;gap:12px}.mobile-landing__guide-list article{min-width:0;padding:18px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-card);box-shadow:var(--shadow-sm)}.mobile-landing__guide-list article.is-current{border-color:var(--color-brand-gold);box-shadow:var(--shadow-md)}.mobile-landing__guide-list h3{margin:0;display:flex;align-items:center;gap:8px;font-size:var(--font-size-base);font-weight:600}.mobile-landing__guide-list h3 svg{width:17px;height:17px;color:var(--color-brand-green)}.mobile-landing__guide-list ol{margin:14px 0 0;padding:14px 0 0;display:grid;gap:10px;border-top:1px solid var(--color-border);list-style:none}.mobile-landing__guide-list li{display:flex;align-items:baseline;gap:12px;color:var(--color-text-secondary);font-size:13px;line-height:1.7}.mobile-landing__guide-list li span{flex:none;color:var(--color-brand-gold);font:10px/1.5 Georgia,serif}.mobile-landing__install{padding-bottom:110px;display:flex;flex-direction:column;align-items:center;text-align:center}.mobile-landing__install>svg{width:34px;height:34px;margin-bottom:15px;color:var(--color-brand-green)}.mobile-landing__install>p{max-width:460px;margin:10px 0 0;color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:1.8;overflow-wrap:break-word}.mobile-landing__platforms{width:min(100%,760px);margin-top:24px;display:grid;gap:12px;text-align:left}.mobile-landing__platforms article{min-width:0;display:grid;grid-template-columns:28px minmax(0,1fr);gap:5px 12px;align-items:center;padding:18px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-card);box-shadow:var(--shadow-sm)}.mobile-landing__platforms article.is-current{border-color:var(--color-brand-gold);box-shadow:var(--shadow-md)}.mobile-landing__platforms article>svg{grid-row:1 / span 2;width:25px;height:25px;color:var(--color-brand-green)}.mobile-landing__platforms strong{display:flex;align-items:center;gap:8px;font-size:15px}.mobile-landing__platforms strong em{padding:2px 7px;border-radius:var(--radius-full);background:var(--color-brand-gold-soft);color:var(--color-brand-brown);font-size:10px;font-style:normal;font-weight:600}.mobile-landing__platforms article>span{color:var(--color-text-muted);font-size:var(--font-size-xs);overflow-wrap:break-word}.mobile-landing__platforms small{grid-column:1 / -1;min-height:42px;margin-top:7px;color:var(--color-text-secondary);font-size:var(--font-size-xs);line-height:1.7;overflow-wrap:break-word}.mobile-landing__platforms a,.mobile-landing__platform-pending{grid-column:1 / -1;width:100%;min-height:44px;margin-top:8px;box-shadow:none;font-size:13px}.mobile-landing__platform-pending{display:flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text-muted);font-weight:650}.mobile-landing__safety{width:min(100%,760px);margin-top:14px;padding:18px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-neutral-100);text-align:left}.mobile-landing__safety h3{margin:0;display:flex;align-items:center;gap:8px;font-size:var(--font-size-base);font-weight:600}.mobile-landing__safety h3 svg{width:16px;height:16px;color:var(--color-brand-green)}.mobile-landing__safety>p{margin:10px 0 0;color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:1.8;overflow-wrap:break-word}.mobile-landing__sha{margin-top:14px;padding-top:14px;border-top:1px dashed var(--color-border-strong)}.mobile-landing__sha>span{display:block;color:var(--color-brand-brown);font-size:var(--font-size-xs);font-weight:650}.mobile-landing__sha code{display:block;margin-top:8px;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface-card);color:var(--color-text-primary);font-family:SFMono-Regular,Menlo,Consolas,monospace;font-size:var(--font-size-xs);line-height:1.7;word-break:break-all}.mobile-landing__sha small{display:block;margin-top:8px;color:var(--color-text-muted);font-size:var(--font-size-xs);line-height:1.7}.mobile-landing__sticky{position:fixed;z-index:var(--z-sticky);right:14px;bottom:calc(12px + env(safe-area-inset-bottom,0));left:14px;width:min(calc(100% - 28px),520px);min-height:50px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:8px;border:1px solid rgba(250,248,245,.16);border-radius:var(--radius-md);background:#1a1610f2;color:var(--color-text-inverse);font-size:var(--font-size-base);font-weight:650;text-decoration:none;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transform:translateY(74px);transition:opacity .2s ease,transform .25s ease}.mobile-landing__sticky.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}@media(min-width:768px){.mobile-landing__hero{min-height:760px;background-position:60% center}.mobile-landing__header{padding-right:max(20px,calc((100vw - 1080px)/2));padding-left:max(20px,calc((100vw - 1080px)/2))}.mobile-landing__header-actions{gap:18px}.mobile-landing__header-actions>small{display:block;color:#faf8f5b3;font-family:Georgia,serif;font-size:9px}.mobile-landing__header-actions a{padding:0 12px;font-size:var(--font-size-sm)}.mobile-landing__hero-copy{width:min(100%,1080px);margin-right:auto;margin-left:auto}.mobile-landing__hero-copy h1{font-size:44px}.mobile-landing__features,.mobile-landing__showcase,.mobile-landing__guide,.mobile-landing__install{padding:56px max(20px,calc((100vw - 1080px)/2))}.mobile-landing__install{padding-bottom:120px}.mobile-landing h2{font-size:26px}.mobile-landing__feature-list{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.mobile-landing__showcase{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:center;gap:48px}.mobile-landing__media-strip{margin-top:0;gap:12px}.mobile-landing__media-strip img,.mobile-landing__preview-fallback{height:560px;aspect-ratio:auto}.mobile-landing__media-strip img:nth-child(2){height:520px}.mobile-landing__guide-list,.mobile-landing__platforms{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}}@media(prefers-reduced-motion:reduce){.mobile-landing__sticky,.mobile-landing__download,.mobile-landing__header-actions a{transition:none}}:root,[data-theme=light]{--color-brand-ink: #1a1610;--color-brand-brown: #9a7240;--color-brand-brown-hover: #856232;--color-brand-gold: #c9a96e;--color-brand-gold-light: #dec890;--color-brand-gold-glow: rgba(201, 169, 110, .22);--color-brand-gold-soft: rgba(201, 169, 110, .14);--color-brand-green: #486657;--color-brand-cream: #faf8f5;--color-neutral-0: #ffffff;--color-neutral-50: #faf8f5;--color-neutral-100: #f7f4ef;--color-neutral-150: #f0ebe2;--color-neutral-200: #e5e0d8;--color-neutral-300: #ddd7cd;--color-neutral-400: #d8d0c4;--color-neutral-500: #8d867b;--color-neutral-600: #7c766c;--color-neutral-700: #5f5a52;--color-neutral-800: #3f382f;--color-neutral-900: #1a1610;--color-success: #486657;--color-success-bg: rgba(72, 102, 87, .12);--color-warning: #a8762a;--color-warning-bg: rgba(168, 118, 42, .12);--color-danger: #b84040;--color-danger-hover: #a13636;--color-danger-bg: rgba(184, 64, 64, .1);--color-info: #4f6d8c;--color-info-bg: rgba(79, 109, 140, .12);--color-text-primary: #1a1610;--color-text-secondary: #5f5a52;--color-text-muted: #8d867b;--color-text-inverse: #faf8f5;--color-text-price: #9a7240;--color-surface-page: #faf8f5;--color-surface-card: #ffffff;--color-surface-raised: #f0ebe2;--color-surface-overlay: rgba(255, 255, 255, .94);--color-surface-dark: #1a1610;--color-border: #e5e0d8;--color-border-strong: #d8d0c4;--color-backdrop: rgba(26, 22, 16, .48);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 999px;--shadow-sm: 0 1px 2px rgba(26, 22, 16, .06);--shadow-md: 0 4px 14px rgba(26, 22, 16, .08);--shadow-lg: 0 14px 40px rgba(26, 22, 16, .16);--shadow-focus: 0 0 0 3px rgba(201, 169, 110, .22);--font-size-xs: 11px;--font-size-sm: 12px;--font-size-base: 14px;--font-size-md: 16px;--font-size-lg: 18px;--font-size-xl: 22px;--font-size-2xl: 26px;--line-height-tight: 1.3;--line-height-base: 1.5;--line-height-relaxed: 1.7;--z-sticky: 10;--z-header: 50;--z-overlay: 100;--z-modal: 200;--z-toast: 300;--workbench-sidebar-width: 232px;--workbench-topbar-height: 60px;--workbench-content-max: 1280px;--text-primary: var(--color-text-primary);--text-secondary: var(--color-text-secondary);--text-muted: var(--color-text-muted);--text: var(--color-text-primary);--muted: var(--color-neutral-600);--success: var(--color-success);--error: var(--color-danger);--price-color: var(--color-text-price);--bg: var(--color-brand-cream);--bg-dark: var(--color-brand-cream);--bg-card: var(--color-surface-card);--bg-elevated: var(--color-surface-raised);--panel: var(--color-surface-card);--panel-soft: var(--color-surface-overlay);--divider: var(--color-border);--line: var(--color-border);--border-subtle: #ddd7cd;--brand-primary: var(--color-brand-brown);--brand-primary-light: var(--color-brand-gold-light);--brand-primary-glow: var(--color-brand-gold-glow);--brand-1: var(--color-brand-brown);--brand-2: var(--color-brand-green);--accent: var(--color-brand-gold);--accent-gold: var(--color-brand-gold);--accent-rose: #b78d4f;--font-sm: var(--font-size-sm);--font-base: var(--font-size-base);--font-md: var(--font-size-md)}*{box-sizing:border-box;margin:0;padding:0}ol,ul,menu{padding-inline-start:0;list-style:none}ol li::marker,ul li:before{letter-spacing:0}.scroll-container>div{width:100%}.container>div{width:100%}