:root{color-scheme:light;--ink:#123f4a;--muted:#53676a;--line:#dce7e4;--paper:#fbfcf9;--accent:#237d8c;--wash:#edf5f1}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-underline-offset:4px}
a:focus-visible{outline:3px solid #d68c35;outline-offset:5px}
.wrap{width:min(1120px,calc(100% - 72px));margin-inline:auto}
.draft-notice{padding:7px 20px;background:var(--ink);color:#e6f3ee;text-align:center;font-size:12px;letter-spacing:.08em}
.skip{position:absolute;left:16px;top:-80px;background:white;padding:8px;z-index:5}.skip:focus{top:10px}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:100px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:13px;font-weight:700;text-decoration:none;letter-spacing:.025em}.brand img{border-radius:10px}
nav{display:flex;gap:30px;align-items:center;font-size:14px}nav a{text-decoration:none;padding:8px 0;color:var(--muted)}nav a[aria-current=page]{color:var(--ink);border-bottom:2px solid var(--accent)}
.hero{display:grid;grid-template-columns:1.13fr 1fr;gap:76px;align-items:center;padding-block:78px 88px}
.eyebrow{margin:0 0 16px;color:var(--accent);font-size:12px;letter-spacing:.15em;font-weight:700}
h1,h2,h3,p{margin-top:0}h1{margin-bottom:24px;font-size:clamp(36px,4.5vw,58px);line-height:1.25;letter-spacing:-.045em}h1 span{color:var(--accent)}
.lead{max-width:690px;font-size:17px;line-height:1.9;color:var(--muted)}
.button{display:inline-flex;gap:26px;align-items:center;margin-top:14px;padding:13px 21px;border-radius:7px;background:var(--ink);color:white;font-size:14px;font-weight:700;text-decoration:none}.button:hover{background:#1e5661}
.hero-panel{padding:30px;background:var(--wash);border:1px solid #d6e4dd;border-radius:22px;box-shadow:0 14px 32px #123f4a05}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:28px}.panel-heading img{border-radius:13px}
.status{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;font-size:12px;color:#356559}.status i{width:6px;height:6px;border-radius:50%;background:#558f75}
.panel-kicker{font-size:12px;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}.hero-panel h2{font-size:24px;line-height:1.4;margin-bottom:9px}.hero-panel>p:not(.panel-kicker){font-size:14px;color:var(--muted)}
.flow{display:flex;align-items:center;justify-content:space-between;gap:6px;margin:26px 0 24px;padding:16px 0;border-block:1px solid #d1e0d7;font-size:12px}.flow span{padding:5px 8px;background:#ffffffb3;border-radius:4px}.flow b{color:#83a19b;font-weight:400}.hero-panel .panel-footnote{margin-bottom:0;font-size:12px}
.information{padding:48px 0 74px;border-top:1px solid var(--line)}.section-heading h2{font-size:28px;line-height:1.45;letter-spacing:-.025em;margin:0 0 30px}.section-heading .eyebrow{margin-bottom:12px}
.information-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}.text-block h3{font-size:16px;margin-bottom:10px}.text-block p{color:var(--muted);font-size:14px;line-height:1.9}
.facts{display:grid;grid-template-columns:1.2fr .7fr 1.1fr;gap:28px;margin:30px 0 0;padding-top:28px;border-top:1px solid var(--line)}.facts dt{font-size:12px;color:var(--muted);margin-bottom:7px}.facts dd{margin:0;font-size:14px}
.site-footer{display:flex;align-items:center;flex-wrap:wrap;gap:10px 30px;border-top:1px solid var(--line);padding-block:26px 32px;font-size:12px;color:var(--muted)}.site-footer p{margin:0}.footer-note{margin-left:auto!important;font-size:11px}
.app-hero{padding-block:62px 48px}.app-heading{display:flex;align-items:center;gap:24px;margin-bottom:28px}.app-heading img{border-radius:19px}.app-heading h1{font-size:38px;line-height:1.4;margin-bottom:4px}.app-heading p{color:var(--muted);margin:0;font-size:15px}.app-hero .lead{max-width:840px}
.stage-note{display:flex;gap:22px;align-items:center;margin-top:28px;padding:17px 22px;background:var(--wash);border-radius:8px;border-left:3px solid #74a294}.stage-note p{margin:0;font-size:13px;color:var(--muted)}
.app-section{padding-block:40px 50px;border-top:1px solid var(--line)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.number{display:block;color:#8ba7a0;font-size:13px;letter-spacing:.06em;margin-bottom:18px}.feature h3{font-size:18px;line-height:1.5;margin-bottom:13px}.feature p{font-size:14px;color:var(--muted);margin-bottom:0}
.boundaries{display:grid;grid-template-columns:1fr 1.7fr;gap:65px;padding-block:45px 65px}.boundaries h2{font-size:27px;line-height:1.45}.boundaries p:not(.eyebrow){font-size:14px;color:var(--muted)}.text-link{display:inline-flex;gap:22px;margin-top:8px;font-size:14px}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.site-header{min-height:92px;gap:15px}.brand{font-size:14px;gap:9px}.brand img{width:34px;height:34px}nav{gap:18px;font-size:13px}.hero{gap:35px;padding-block:45px 50px;grid-template-columns:1fr}.hero-copy{max-width:580px}.hero-panel{max-width:580px;width:100%}.hero h1{font-size:44px}.information{padding-block:35px 45px}.information-grid{gap:30px}.facts{grid-template-columns:1fr;gap:17px}.facts div{display:grid;grid-template-columns:90px 1fr;gap:12px}.facts dt{margin:0}.footer-note{margin-left:0!important;width:100%}.app-hero{padding-block:38px 32px}.app-heading h1{font-size:30px}.app-heading{gap:16px}.app-heading img{width:62px;height:62px}.feature-grid{grid-template-columns:1fr;gap:28px}.number{margin-bottom:8px}.feature{border-bottom:1px solid var(--line);padding-bottom:24px}.feature:last-child{border-bottom:0;padding-bottom:0}.boundaries{grid-template-columns:1fr;gap:4px}.stage-note{align-items:flex-start;flex-direction:column;gap:8px}}
@media(max-width:480px){.site-header{align-items:flex-start;flex-direction:column;justify-content:center;gap:9px;padding-block:16px}nav{gap:24px}.hero h1{font-size:40px}.lead{font-size:15px}.hero-panel{padding:22px}.information-grid{grid-template-columns:1fr;gap:8px}.section-heading h2{font-size:24px}.app-heading h1{font-size:25px}.app-heading p{font-size:13px}.app-heading img{width:54px;height:54px}.app-heading{gap:13px}.site-footer{gap:8px}.flow{font-size:11px}.facts dd{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}