:root{--ink:#102923;--ink-deep:#081d19;--jade:#47665b;--sage:#8fa49b;--stone:#ece9e3;--warm-white:#f8f7f3;--paper:#fff;--copper:#874b2c;--copper-light:#c48c66;--text:#202723;--muted:#66716c;--line:#d9ddd8;--container:1180px;--radius:6px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--warm-white);color:var(--text);letter-spacing:0;margin:0;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;letter-spacing:0}button,a{-webkit-tap-highlight-color:transparent}img,svg{display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--ink);letter-spacing:0;font-weight:650;line-height:1.28}h1{font-size:clamp(2.45rem,6vw,5.5rem)}h2{font-size:clamp(1.85rem,3.5vw,3rem)}h3{font-size:1.25rem}p{color:var(--muted)}.container{width:min(var(--container), calc(100% - 48px));margin-inline:auto}.section{padding:112px 0}.stone-section{background:var(--stone)}.skip-link{z-index:100;background:var(--paper);color:var(--ink);border:2px solid var(--ink);padding:10px 14px;position:fixed;top:12px;left:12px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-header{z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f8f7f3f5;border-bottom:1px solid #1029231f;height:76px;position:sticky;top:0}.header-inner{width:min(var(--container), calc(100% - 48px));justify-content:space-between;align-items:center;height:100%;margin-inline:auto;display:flex}.wordmark,.footer-wordmark{color:var(--ink);align-items:center;gap:10px;font-family:Songti SC,STSong,serif;font-size:1.9rem;font-weight:700;line-height:1;display:inline-flex}.brand-symbol{flex:none;width:40px;height:40px}.footer-wordmark .brand-symbol{filter:brightness(0)invert()}.site-nav{align-items:center;gap:32px;display:flex}.site-nav a{color:#43504a;font-size:.92rem;position:relative}.site-nav a:after{content:"";background:var(--copper);transform-origin:0;height:2px;transition:transform .18s;position:absolute;bottom:-9px;left:0;right:0;transform:scaleX(0)}.site-nav a:hover:after,.site-nav a.active:after{transform:scaleX(1)}.site-nav .language-link{border-left:1px solid var(--line);padding-left:28px}.site-nav .trial-status{color:var(--muted);white-space:nowrap;border:1px solid var(--line);border-radius:3px;padding:6px 10px;font-size:.82rem}.menu-button{width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;display:none}.home-hero,.en-hero{background:var(--ink);align-items:center;min-height:max(540px,100svh - 132px);display:flex;position:relative;overflow:hidden}.hero-image{object-fit:cover;object-position:center;position:absolute;inset:0}.hero-overlay{background:#081d19b3;position:absolute;inset:0}.hero-content{z-index:1;padding-block:76px;position:relative}.hero-content h1{color:#fff;margin-bottom:22px;font-family:Songti SC,STSong,serif;font-weight:700}.hero-stage{color:#e8d6c8;align-items:center;gap:10px;margin-bottom:24px;font-size:.88rem;font-weight:600;display:flex}.hero-stage span{background:var(--copper-light);width:28px;height:2px}.hero-statement{color:#fff;max-width:850px;margin-bottom:18px;font-size:clamp(1.7rem,3.4vw,3.45rem);font-weight:590;line-height:1.35}.hero-product{color:#d4ded9;margin-bottom:36px;font-size:1.08rem}.hero-trial-status{color:#d4ded9;border:1px solid #8fa49b;border-radius:3px;margin-top:24px;padding:9px 16px;font-size:.92rem;display:inline-flex}.hero-trial-notice{color:#d4ded9;margin:12px 0 0;font-size:.85rem}.button{cursor:pointer;border:1px solid #0000;border-radius:3px;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:12px 20px;font-weight:650;transition:background .16s,border-color .16s,color 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svg{width:32px;height:32px;color:var(--copper);stroke-width:1.4px;margin-bottom:50px}.output-card p{margin-bottom:0}.product-plan-grid{grid-template-columns:.9fr 1.1fr;gap:100px;display:grid}.plan-list{border-top:1px solid #c9c6bf}.plan-row{border-bottom:1px solid #c9c6bf;grid-template-columns:54px 1fr;gap:16px;padding:26px 0;display:grid}.plan-row>span{color:var(--copper);font-family:Georgia,serif}.plan-row strong{color:var(--ink)}.plan-row p{margin:5px 0 0}.current-state{border-top:1px solid var(--line);grid-template-columns:60px 1fr auto;align-items:center;gap:30px;padding-top:46px;display:grid}.current-state>svg{width:42px;height:42px;color:var(--copper);stroke-width:1.2px}.current-state h2{margin-bottom:10px;font-size:2rem}.current-state p{max-width:700px;margin-bottom:0}.method-timeline{max-width:960px}.timeline-step{border-bottom:1px solid var(--line);grid-template-columns:72px 54px 1fr;align-items:start;gap:26px;padding:34px 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