:root{
  --bg:#F8F2E5;
  --bg-top:#FBF7EE;
  --bg-bottom:#F1E8D6;
  --panel:#FFFCF6;
  --panel-2:#EFE6D3;
  --paper-white:#FFFFFF;
  --border:#E2D7C0;
  --border-strong:#D5C7AA;
  --rail:#E3D8C1;
  --mark:#B4A68C;
  --dot:#DACCB1;
  --accent:#2E3A1C;
  --accent-2:#4F6130;
  --accent-dark:#1B2410;
  --text:#2A2117;
  --text-2:#4B4034;
  --muted:#74685A;
  --success:#3F7D3A;
  --warn:#B7791F;
  --error:#B23A2A;
  --accent-rgb:46 58 28;
  --ink-rgb:42 33 23;
  --white-rgb:255 255 255;
  --flag-red:#C8302A;
  --flag-blue:#263D78;
  --flag-green:#2E7D46;
  --flag-white:#FFFFFF;
  --font-display:'Inter','Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  --font-body:'Inter','Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  --r-shell:20px;
  --r-card:14px;
  --r-cell:8px;
  --r-segment:10px;
  --r-focus:6px;
  --r-pill:999px;
  --r-circle:50%;
  --gutter:24px;
  --shell:min(1312px, calc(100% - 48px));
  --content-width:1184px;
  --header-height:68px;
  --anchor-offset:84px;
  --toc-offset:148px;
  --display-size:68px;
  --display-weight:800;
  --display-tracking:-.03em;
  --shadow-soft:0 18px 40px -20px rgb(var(--accent-rgb) / .08),0 2px 6px -2px rgb(var(--accent-rgb) / .05);
  --shadow-soft-hover:0 26px 52px -22px rgb(var(--accent-rgb) / .14),0 4px 10px -4px rgb(var(--accent-rgb) / .07);
  --shadow-highlight:inset 0 1px 0 rgb(var(--white-rgb) / .9);
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --fast:.18s;
  --ease:cubic-bezier(.2,.65,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:var(--anchor-offset);scroll-behavior:smooth}
html.nav-open{overflow:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:100;opacity:.03;background-image:var(--grain);background-size:180px 180px}
a{color:inherit;text-underline-offset:.2em}
button,input,select,textarea{font:inherit}
button{color:inherit;cursor:pointer}
button,select,input,textarea{max-width:100%}
img{max-width:100%;height:auto;display:block}
svg{flex-shrink:0}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:var(--r-focus)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:var(--display-weight);text-wrap:balance}
h1{font-size:clamp(52px,4.72vw,72px);line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(28px,3vw,44px);line-height:1.15;letter-spacing:-.02em}
h3{font-size:22px;line-height:1.3;letter-spacing:-.02em}
p{margin-top:0}
.no-break{white-space:nowrap}
.muted{color:var(--muted)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-60px;z-index:200;padding:8px 14px;border-radius:var(--r-pill);background:var(--panel);color:var(--text);border:1px solid var(--border);text-decoration:none;font-size:14px}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--content-width);margin-inline:auto;padding-inline:var(--gutter)}
.shell{width:var(--shell);margin-inline:auto}
.sec{position:relative;padding-top:80px;padding-bottom:80px;overflow-x:clip}
.sec-head{max-width:760px;margin:0 auto 40px;text-align:center}
.sec-head h2{margin:20px 0 12px}
.sec-head p{color:var(--muted);font-size:18px}
.grid{display:grid;gap:16px}
.grid>*{min-width:0}
.panel,.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow-highlight),var(--shadow-soft);padding:28px;min-width:0}
.card{transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-highlight),var(--shadow-soft-hover)}
.prose{max-width:800px;margin-inline:auto;overflow-wrap:break-word}
.prose h2{margin-top:48px;margin-bottom:20px;font-size:32px}
.prose h3{margin-top:32px}
.prose p,.prose li{line-height:1.85}
.prose li+li{margin-top:8px}
code{font-family:var(--font-mono);overflow-wrap:anywhere;background:var(--panel-2);border-radius:var(--r-focus);padding:2px 5px}
pre{max-width:100%;overflow-x:auto;background:var(--panel-2);border:1px solid var(--border);padding:20px;border-radius:var(--r-cell)}
pre code{padding:0;white-space:pre;overflow-wrap:normal;background:none}
.reveal{transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}
#server-status{position:relative;display:block;min-height:120px;max-width:100%;overflow:hidden;margin-top:24px;margin-bottom:32px}
#server-status>*{min-width:0;max-width:100%}
#server-status+*{margin-top:32px}
.btn,.btn-primary,.btn-ghost,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:10px 22px;border-radius:var(--r-pill);font-weight:600;font-size:16px;text-decoration:none;flex-shrink:0;white-space:nowrap}
.btn-primary{height:54px;background:linear-gradient(180deg,var(--accent-2) 0%,var(--accent) 72%);color:var(--paper-white);font-size:17px;letter-spacing:.01em;border:0;box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .24),0 0 0 1px var(--accent-dark),0 14px 26px -14px rgb(var(--accent-rgb) / .6);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .28),0 0 0 1px var(--accent-dark),0 18px 30px -14px rgb(var(--accent-rgb) / .7)}
.btn-primary:active{transform:none}
.btn-primary svg{width:19px;height:19px}
.btn-ghost,.btn-secondary{height:50px;background:linear-gradient(180deg,var(--panel),var(--bg-top));border:1px solid var(--border-strong);color:var(--text);font-weight:500;box-shadow:var(--shadow-highlight);transition:border-color .2s var(--ease)}
.btn-ghost:hover,.btn-secondary:hover{border-color:var(--mark)}
.btn-ghost span{color:var(--muted);font-size:18px;line-height:1}
button:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none}
.actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.topbar{position:relative;z-index:30}
.topbar-in{position:relative;display:flex;align-items:center;gap:24px;height:var(--header-height);padding-inline:28px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex:none}
.brand-mark{display:block;flex:none;width:30px;height:30px}
.brand-word{font-family:var(--font-display);font-weight:800;font-size:21px;letter-spacing:var(--display-tracking);line-height:1}
.mainnav{flex:1;display:flex;justify-content:center;min-width:0}
.nav-list{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:2px}
.nav-list>li>a,.nav-more-btn{display:inline-flex;align-items:center;gap:4px;height:36px;padding:0 14px;border-radius:var(--r-pill);font:inherit;font-size:15px;color:var(--text-2);text-decoration:none;background:none;border:0;cursor:pointer;transition:background-color var(--fast),color var(--fast)}
.nav-list>li>a:hover,.nav-more-btn:hover,.nav-list>li>a.is-active,.nav-more-btn.is-active{background:rgb(var(--ink-rgb) / .05);color:var(--text)}
.nav-list>li>a.is-active{font-weight:600}
.nav-more{position:relative}
.nav-more-btn svg{width:14px;height:14px}
.nav-drop{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);display:grid;grid-template-columns:1fr 1fr;gap:4px 18px;min-width:320px;padding:14px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:0 22px 44px -18px rgb(var(--accent-rgb) / .18),var(--shadow-highlight)}
.drop-group{display:flex;flex-direction:column;gap:2px}
.drop-title{margin:0 0 4px;padding:0 10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--muted)}
.drop-group a{display:flex;align-items:center;min-height:40px;padding:8px 10px;border-radius:var(--r-cell);font-size:14.5px;color:var(--text-2);text-decoration:none}
.drop-group a:hover,.drop-group a.is-active{background:var(--panel-2);color:var(--text)}
.topbar-tools{display:flex;align-items:center;gap:10px;flex:none}
.language-switch{position:relative}
.lang{display:inline-flex;align-items:center;justify-content:center;gap:4px;min-width:44px;width:auto;height:36px;padding:0 10px;border:0;background:none;cursor:pointer;font:inherit;font-size:14px;color:var(--text-2);border-radius:var(--r-pill);white-space:nowrap}
.lang:hover{background:rgb(var(--ink-rgb) / .05)}
.language-menu{position:absolute;right:0;top:calc(100% + 10px);min-width:172px;padding:8px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow-soft-hover)}
.language-menu a{display:flex;align-items:center;min-height:40px;padding:8px 12px;border-radius:var(--r-cell);text-decoration:none}
.language-menu a:hover,.language-menu a[aria-current]{background:var(--panel-2)}
.btn-login{display:inline-flex;align-items:center;justify-content:center;gap:4px;height:38px;padding:0 12px 0 18px;border-radius:var(--r-pill);background:var(--panel);border:1px solid var(--border-strong);color:var(--text);font-size:14.5px;font-weight:600;text-decoration:none;box-shadow:var(--shadow-highlight),0 6px 14px -8px rgb(var(--accent-rgb) / .22);transition:box-shadow var(--fast),border-color var(--fast)}
.btn-login:hover{border-color:var(--mark);box-shadow:var(--shadow-highlight),0 10px 20px -10px rgb(var(--accent-rgb) / .3)}
.btn-login svg{width:15px;height:15px}
.nav-toggle{display:none;min-width:44px;min-height:44px;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-cell)}
.nav-toggle svg{width:20px;height:20px}
.mobile-drawer{display:none}
.nav-veil{position:fixed;inset:var(--header-height) 0 0;background:rgb(var(--ink-rgb) / .18);z-index:25;border:0}
.site-footer{position:relative;border-top:1px solid var(--rail);background:var(--bg-bottom);padding-top:56px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr .8fr;gap:32px}
.footer-grid>*{min-width:0}
.footer-brand p{margin:20px 0 0;max-width:30em;font-size:14px;color:var(--muted)}
.footer-title{margin:0 0 16px;font-size:15px;font-weight:700}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.footer-links a{display:inline-flex;align-items:center;min-height:28px;padding-block:2px;font-size:14px;color:var(--text-2);text-decoration:none}
.footer-links a:hover{text-decoration:underline}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:40px;padding-top:20px;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal a{display:inline-flex;align-items:center;min-height:28px}
.sheet{position:relative}
.rails{position:absolute;inset:0;pointer-events:none;z-index:1}
.rails::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:var(--shell);transform:translateX(-50%);border-left:1px solid var(--rail);border-right:1px solid var(--rail)}
.first{position:relative;background:linear-gradient(180deg,var(--bg-top) 0%,var(--bg) 46%,var(--bg-bottom) 100%);overflow-x:clip;max-width:100%}
.hero{position:relative;overflow-x:clip}
.hero::before,.hero::after{content:"";position:absolute;left:0;right:0;height:1px;background:var(--rail);z-index:1}
.hero::before{top:0}
.hero::after{bottom:0}
.hero-frame{position:relative;z-index:2;padding:16px}
.mark{position:absolute;width:17px;height:17px;z-index:3;transform:translate(-50%,-50%);pointer-events:none}
.mark::before,.mark::after{content:"";position:absolute;background:var(--mark)}
.mark::before{left:8px;top:0;width:1px;height:17px}
.mark::after{top:8px;left:0;width:17px;height:1px}
.mark-tl{top:0;left:0}
.mark-tr{top:0;left:100%}
.mark-bl{top:100%;left:0}
.mark-br{top:100%;left:100%}
.hero-card{position:relative;display:grid;grid-template-columns:minmax(0,520fr) minmax(0,648fr);gap:48px;padding:40px 0 40px 64px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-shell);overflow:hidden;box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .95),0 40px 90px -36px rgb(var(--accent-rgb) / .10),0 12px 28px -18px rgb(var(--accent-rgb) / .10)}
.hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:space-between;gap:32px;padding-top:24px;min-width:0}
.copy-top{display:flex;flex-direction:column;align-items:flex-start}
.notice{display:inline-flex;align-items:center;gap:8px;min-height:30px;padding:3px 12px 3px 5px;border-radius:var(--r-pill);background:var(--panel-2);border:1px solid var(--border);color:var(--text-2);font-size:13.5px;font-weight:500;text-decoration:none;box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .7)}
.notice:hover{border-color:var(--border-strong)}
.notice-ic{display:grid;place-items:center;width:20px;height:20px;flex:none;border-radius:var(--r-circle);background:var(--panel);box-shadow:0 0 0 1px var(--border);color:var(--text)}
.notice-ic svg{width:13px;height:13px}
.notice-arrow{color:var(--muted);font-size:15px;line-height:1}
.hero-title{margin:32px 0 0;font-family:var(--font-display);font-weight:800;font-size:var(--display-size);line-height:1.06;letter-spacing:var(--display-tracking);color:var(--text)}
.hero-title .ln{display:block}
.hero-sub{margin:24px 0 0;font-size:20px;line-height:1.6;color:var(--muted);max-width:26em}
.hero-sub strong{color:var(--text);font-weight:600}
.copy-cta{display:flex;flex-direction:column;width:100%}
.cta-stack{display:grid;gap:12px;width:100%}
.cta-stack .btn-primary,.cta-stack .btn-ghost{display:flex;width:100%}
.trust-line{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px 20px;font-size:14px;color:var(--muted)}
.trust-line li{display:inline-flex;align-items:center;gap:6px}
.trust-line svg{width:15px;height:15px;flex:none;color:var(--text-2)}
.copy-plat{border-top:1px solid var(--border);padding-top:18px}
.plat-label{margin:0 0 10px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--muted)}
.plat-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px}
.plat-list li{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:500;color:var(--text-2)}
.plat-list svg{width:17px;height:17px;flex:none;color:var(--text)}
.hero-device{position:relative;z-index:1;padding-top:24px;min-width:0}
.sel-pill{position:absolute;top:8px;left:-18px;z-index:5;display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px 0 8px;border-radius:var(--r-pill);background:var(--panel-2);border:1px solid var(--border);font-size:12.5px;font-weight:600;color:var(--text-2);white-space:nowrap;box-shadow:0 10px 20px -10px rgb(var(--accent-rgb) / .28),inset 0 1px 0 rgb(var(--white-rgb) / .75)}
.sel-pill svg{width:13px;height:13px}
.stage{position:relative}
.win{position:relative;width:calc(100% + 24px);border-radius:var(--r-card) 0 0 var(--r-card);background:var(--paper-white);border:1px solid var(--border);border-right:0;overflow:hidden;box-shadow:0 24px 48px rgb(var(--accent-rgb) / .10),0 4px 12px -6px rgb(var(--accent-rgb) / .08)}
.win-bar{display:flex;align-items:center;gap:16px;height:38px;padding:0 16px;background:linear-gradient(180deg,var(--panel),var(--bg-top));border-bottom:1px solid var(--border);box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .95)}
.win-dots{display:inline-flex;gap:7px}
.win-dots i{display:block;width:10px;height:10px;border-radius:var(--r-circle);background:var(--dot);box-shadow:inset 0 -1px 0 rgb(var(--ink-rgb) / .08)}
.win-title{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.win-body{display:grid;grid-template-columns:264px minmax(0,1fr);min-height:500px}
.route{display:flex;flex-direction:column;padding:20px 22px;min-width:0}
.route-head{display:flex;align-items:center;gap:8px}
.route-badge{display:grid;place-items:center;width:28px;height:28px;flex:none;border-radius:var(--r-circle);background:var(--panel-2);color:var(--text);box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .7),0 0 0 1px var(--border)}
.route-badge svg{width:16px;height:16px}
.route-kicker{font-size:12.5px;color:var(--muted);font-weight:500}
.route-name{margin:12px 0 0;font-family:var(--font-display);font-weight:800;font-size:21px;line-height:1.25;letter-spacing:-.02em;color:var(--text)}
.route-desc{margin:6px 0 0;font-size:13px;line-height:1.55;color:var(--muted)}
.route-plan{margin-top:16px}
.plan-label{display:flex;align-items:center;gap:6px;margin:0;font-size:12px;color:var(--muted)}
.plan-label svg{width:14px;height:14px}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:8px;padding:3px;border-radius:var(--r-segment);background:var(--panel-2);box-shadow:inset 0 1px 2px rgb(var(--ink-rgb) / .06)}
.seg span{display:grid;place-items:center;height:30px;border-radius:var(--r-cell);font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.seg .is-on{background:var(--paper-white);color:var(--text);font-weight:700;box-shadow:0 0 0 1px var(--border),0 2px 4px -1px rgb(var(--ink-rgb) / .12),inset 0 1px 0 rgb(var(--white-rgb))}
.plan-note{margin:8px 0 0;font-family:var(--font-mono);font-size:11.5px;color:var(--muted)}
.route-feats{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:9px}
.route-feats li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);font-weight:500}
.route-feats svg{width:16px;height:16px;flex:none;color:var(--text)}
.route-hot{margin-top:auto;padding-top:14px;border-top:1px solid var(--border)}
.hot-label{margin:0 0 8px;font-size:12px;font-weight:600;color:var(--muted)}
.flags{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.flag-chip{display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 8px 0 4px;border-radius:var(--r-pill);background:var(--panel);border:1px solid var(--border);font-size:12px;font-weight:500;color:var(--text-2);white-space:nowrap}
.flag{display:block;width:20px;height:14px;flex:none;border-radius:var(--r-focus);overflow:hidden}
.f-red{fill:var(--flag-red)}
.f-white{fill:var(--flag-white)}
.f-blue{fill:var(--flag-blue)}
.f-green{fill:var(--flag-green)}
.flag-edge{fill:none;stroke:rgb(var(--ink-rgb) / .16);stroke-width:1}
.zones{border-left:1px solid var(--border);padding:22px 0 22px 22px;background:linear-gradient(180deg,var(--paper-white),var(--panel));min-width:0}
.zones-head{margin:0;font-family:var(--font-display);font-weight:800;font-size:17px;line-height:24px;letter-spacing:-.02em;color:var(--text);white-space:nowrap}
.zones-head span{font-weight:400;color:var(--muted)}
.zone-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:18px}
.zh{display:block;padding:0 9px;font-size:12px;line-height:18px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.cell{position:relative;display:flex;flex-direction:column;justify-content:center;height:44px;padding:0 9px;border-radius:var(--r-cell);background:var(--panel-2);box-shadow:inset 0 1px 2px rgb(var(--ink-rgb) / .07);min-width:0}
.cell b{font-family:var(--font-mono);font-size:10.5px;line-height:1.2;font-weight:700;letter-spacing:.05em;color:var(--muted)}
.cell span{font-size:12.5px;line-height:1.35;font-weight:600;color:var(--text-2);white-space:nowrap}
.cell.is-on{background:linear-gradient(160deg,var(--accent-2),var(--accent) 78%);box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .2),0 8px 16px -8px rgb(var(--accent-rgb) / .6)}
.cell.is-on b{color:rgb(var(--white-rgb) / .72)}
.cell.is-on span{color:var(--paper-white)}
.cell-dot{position:absolute;top:8px;right:8px;width:5px;height:5px;border-radius:var(--r-circle);background:var(--paper-white)}
.cell.is-void{background:none;box-shadow:none}
.pack-card{position:absolute;right:16px;bottom:-30px;z-index:4;width:224px;padding:14px 16px 10px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--border);box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .95),0 16px 32px -14px rgb(var(--accent-rgb) / .14),0 3px 8px -4px rgb(var(--accent-rgb) / .08)}
.pack-head{display:flex;align-items:center;gap:7px;margin:0;font-size:13.5px;font-weight:700;color:var(--text)}
.pack-head svg{width:16px;height:16px}
.pack-sub{margin:2px 0 8px 23px;font-size:11.5px;color:var(--muted)}
.pack-rows{margin:0}
.pack-rows div{display:flex;align-items:center;justify-content:space-between;height:30px;border-top:1px solid var(--border)}
.pack-rows dt{font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.pack-rows dd{margin:0;font-family:var(--font-mono);font-size:13.5px;font-weight:700;color:var(--text)}
.facts{list-style:none;margin:58px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:16px 32px}
.facts li{display:flex;align-items:center;gap:10px}
.fact-ic{display:grid;place-items:center;width:36px;height:36px;border-radius:var(--r-circle);flex:none;background:var(--panel-2);color:var(--text);box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .7),0 0 0 1px var(--border)}
.fact-ic svg{width:18px;height:18px}
.fact-tx{display:flex;flex-direction:column;line-height:1.3}
.fact-tx small{font-size:11.5px;color:var(--muted)}
.fact-tx strong{font-size:14px;font-weight:700;color:var(--text)}
.steps{position:relative;padding-top:40px;padding-bottom:88px;background:linear-gradient(180deg,var(--bg-bottom),var(--bg) 360px)}
.steps-in{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center;padding-inline:16px}
.tag,.badge,.chip{display:inline-flex;align-items:center;gap:7px;margin:0;min-height:30px;padding:3px 13px 3px 9px;border-radius:var(--r-pill);background:var(--panel-2);border:1px solid var(--border);font-size:13.5px;font-weight:600;color:var(--text-2);box-shadow:inset 0 1px 0 rgb(var(--white-rgb) / .7);max-width:100%;overflow-wrap:anywhere}
.tag svg,.badge svg,.chip svg{width:15px;height:15px;flex:none;color:var(--text)}
.steps-title{margin:20px 0 0;font-family:var(--font-display);font-weight:800;font-size:44px;line-height:1.15;letter-spacing:var(--display-tracking);color:var(--text)}
.steps-sub{margin:12px 0 0;font-size:17px;color:var(--muted)}
.step-grid{list-style:none;margin:48px 0 0;padding:0;width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;text-align:left}
.step{padding:28px 28px 30px;border-radius:var(--r-card);background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow-highlight),var(--shadow-soft);transition:transform .2s var(--ease),box-shadow .2s var(--ease);min-width:0}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-highlight),var(--shadow-soft-hover)}
.step-no{display:inline-block;padding:3px 9px;border-radius:var(--r-cell);background:var(--panel-2);font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--accent)}
.step h3{margin:20px 0 8px;font-family:var(--font-display);font-weight:800;font-size:20px;letter-spacing:-.02em;line-height:1.3}
.step p{margin:0;font-size:15px;line-height:1.7;color:var(--muted)}
.band-rule{position:relative;height:0;border-top:1px solid var(--rail)}
@media(max-width:1100px){
  .topbar-in{gap:16px;padding-inline:16px}
  .nav-list>li>a,.nav-more-btn{padding-inline:10px}
  .hero-card{padding-left:36px;gap:32px}
  .hero-title{font-size:58px}
  .win-body{grid-template-columns:228px minmax(0,1fr)}
  .route{padding-inline:18px}
  .zone-grid{min-width:264px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:900px){
  .mainnav{display:none}
  .topbar-tools{margin-left:auto}
  .nav-toggle{display:inline-flex}
  .mobile-drawer{position:absolute;top:100%;left:0;right:0;display:block;background:var(--panel);border:1px solid var(--border);border-radius:0 0 var(--r-card) var(--r-card);padding:12px 16px;max-height:calc(100dvh - var(--header-height));overflow-y:auto;overscroll-behavior:contain;box-shadow:var(--shadow-soft-hover);z-index:35}
  .mobile-drawer a{display:flex;align-items:center;width:100%;min-height:44px;padding:10px 12px;text-decoration:none;border-radius:var(--r-cell)}
  .mobile-drawer a:hover,.mobile-drawer a.is-active{background:var(--panel-2)}
  .drawer-languages{border-top:1px solid var(--border);margin-top:12px;padding-top:12px}
}
@media(max-width:768px){
  h1{font-size:clamp(28px,6vw,40px)}
  .hero-card{grid-template-columns:minmax(0,1fr);gap:28px;padding:28px}
  .hero-copy{padding-top:0;gap:24px}
  .hero-title{font-size:40px;line-height:1.1;letter-spacing:-.02em;margin-top:24px}
  .hero-sub{font-size:18px;margin-top:18px}
  .hero-device{padding-top:0;max-width:100%}
  .sel-pill,.mark{display:none}
  .win{width:100%;border-right:1px solid var(--border);border-radius:var(--r-card)}
  .win-body{grid-template-columns:minmax(0,1fr);min-height:0}
  .route{padding:20px}
  .route-hot{margin-top:20px}
  .zones{padding:20px;border-left:0;border-top:1px solid var(--border);overflow:hidden}
  .zone-grid{grid-template-columns:repeat(3,minmax(0,1fr));min-width:0}
  .zone-grid .zh{display:none}
  .pack-card{position:relative;right:auto;bottom:auto;width:100%;margin-top:16px}
  .facts{margin-top:24px;gap:16px 24px}
  .step-grid{grid-template-columns:minmax(0,1fr);margin-top:32px}
  .steps-title{font-size:32px}
  .sec{padding-top:56px;padding-bottom:56px}
}
@media(max-width:640px){
  :root{--gutter:16px;--shell:calc(100% - 32px)}
  .no-break{white-space:normal}
  .tilt,[data-tilt]{transform:none}
  .stripe-halo,.decoration{max-width:100%}
  .topbar-in{padding-inline:0;gap:8px}
  .brand{gap:7px}
  .brand-word{font-size:19px}
  .brand-mark{width:27px;height:27px}
  .topbar-tools{gap:4px;margin-left:auto}
  .lang{padding-inline:6px;font-size:12px}
  .btn-login{height:38px;padding-inline:12px;font-size:13px}
  .btn-login svg{display:none}
  .hero-frame{padding:12px 0}
  .hero-card{padding:24px 20px}
  .hero-title{font-size:clamp(28px,8vw,40px)}
  .hero-sub{font-size:17px}
  .copy-plat{padding-top:16px}
  .plat-list{gap:8px 14px}
  .plat-list li{font-size:12px}
  .facts{gap:16px}
  .fact-tx strong{font-size:12.5px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .panel,.card,.step{padding:22px}
  .prose h2{font-size:28px}
  .zones-head{font-size:15px;white-space:normal}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal,.reveal.pending{opacity:1;transform:none}
}