@charset "UTF-8";
:root{--ink:#182c2b;--forest:#133d36;--green:#1b6959;--paper:#f7f5ee;--white:#fffdfa;--line:#d7ded7;--muted:#5e716b;--gold:#e5c58b;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}button{font:inherit}img,svg{max-width:100%}img{height:auto}p{margin:.55em 0 1em}h1,h2,h3{line-height:1.2;letter-spacing:-.035em}h1{font-size:clamp(2.7rem,6vw,5.6rem);margin:.28em 0}h2{font-size:clamp(1.9rem,3.7vw,3rem);margin:.2em 0 .55em}h3{font-size:1.2rem;margin:.2em 0 .5em}.eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--green)}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.skip{position:absolute;top:-100px;left:16px;z-index:20;padding:10px 16px;background:white}.skip:focus{top:12px}:focus-visible{outline:3px solid #ebae58;outline-offset:3px}
.site-header{background:rgba(247,245,238,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(16px)}.nav-row{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:18px}.brand{font-weight:850;font-size:1.13rem;letter-spacing:-.05em;white-space:nowrap}.brand-mark{display:inline-grid;place-items:center;width:33px;height:33px;margin-right:8px;background:var(--forest);border-radius:50% 50% 50% 8px;color:#fff;font-family:Georgia,serif;font-size:1.25rem;vertical-align:middle}.nav-links{display:flex;align-items:center;gap:25px;font-size:.9rem;font-weight:650}.nav-links a:hover,.footer-links a:hover,.text-link:hover{color:var(--green)}.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--forest);border-radius:999px;padding:12px 20px;font-size:.9rem;font-weight:750;cursor:pointer;background:var(--forest);color:white;transition:transform .18s,background .18s}.nav-cta{padding:9px 18px}.button:hover,.nav-cta:hover{transform:translateY(-2px);background:#246051;color:#fff}.button.light{background:transparent;color:var(--forest)}.button.light:hover{background:#e7eee8}.menu-button{display:none;border:0;background:transparent;padding:8px;font-size:1.5rem;cursor:pointer}
.hero{padding:75px 0 82px;position:relative;overflow:hidden;background:linear-gradient(150deg,#f9f7ef 0%,#edf2e9 70%,#dceae1 100%)}.hero:after{content:"";position:absolute;width:530px;height:530px;right:-180px;top:-290px;border:1px solid rgba(19,61,54,.16);border-radius:50%;box-shadow:0 0 0 80px rgba(255,255,255,.13),0 0 0 160px rgba(255,255,255,.09);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.16fr .84fr;align-items:center;gap:70px}.hero-copy{position:relative;z-index:1}.hero-copy h1 span{color:var(--green)}.lede{font-size:clamp(1.04rem,1.8vw,1.25rem);color:#405b53;max-width:660px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-note{font-size:.82rem;color:var(--muted);max-width:620px}.editorial-card{position:relative;padding:30px;border:1px solid rgba(19,61,54,.18);border-radius:30px;background:rgba(255,253,250,.86);box-shadow:0 20px 70px rgba(15,55,41,.09);transform:rotate(1.5deg)}.card-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;font-size:.8rem;color:var(--muted)}.model-stack{display:grid;gap:11px;padding:23px 0}.model-line{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#edf4ec;border-radius:12px}.model-line strong{font-size:1.02rem}.model-line span{font-size:.8rem;color:var(--muted)}.editorial-card .bottom{display:flex;gap:10px;align-items:center;padding-top:12px;border-top:1px solid var(--line);font-size:.86rem}.dot{width:9px;height:9px;border-radius:50%;background:#5aaa8e}
.section{padding:88px 0}.section.alt{background:var(--white)}.section.dark{background:var(--forest);color:#fff}.section.dark .eyebrow{color:var(--gold)}.section-intro{max-width:720px;margin-bottom:35px}.section-intro p{color:var(--muted)}.section.dark .section-intro p{color:#c8ddd4}.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-card,.surface,.plan,.step,.faq-card{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);padding:25px}.feature-card .number,.step .number{font:italic 2rem Georgia,serif;color:var(--green);display:block;margin-bottom:14px}.feature-card p,.plan p,.step p,.faq-card p{color:var(--muted);font-size:.93rem}.feature-card a,.text-link{color:var(--green);font-weight:750;text-decoration:underline;text-decoration-color:#a8c6b8;text-underline-offset:4px}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}.plan{display:flex;flex-direction:column;padding:30px}.plan.featured{background:#e7f1e9;border-color:#88b2a1}.plan .label{display:inline-block;width:max-content;background:var(--forest);color:#fff;border-radius:999px;padding:4px 10px;font-size:.72rem;font-weight:700}.plan .amount{font-size:2.4rem;font-weight:850;line-height:1.3;letter-spacing:-.05em;margin:10px 0 2px}.plan .amount small{font-size:.9rem;font-weight:500;color:var(--muted)}.plan ul{padding-left:1.15em;color:#415a52;font-size:.9rem;flex:1}.plan li{margin:8px 0}.plan .button{margin-top:auto}.fineprint{font-size:.82rem;color:var(--muted);margin-top:22px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{background:#f0f4ed}.step h3{margin-top:6px}.section.dark .step{background:#1d4c43;border-color:#417265}.section.dark .step p{color:#c5dbd0}.section.dark .step .number{color:var(--gold)}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq-card{padding:23px}.faq-card h3{font-size:1.02rem}
.source-bar{background:#e8efe7;border-left:4px solid var(--green);padding:20px 24px;border-radius:0 14px 14px 0;margin-top:30px;font-size:.87rem}.source-bar a{color:var(--green);text-decoration:underline}.page-hero{padding:68px 0 54px;background:#e8efe7}.page-hero .lede{max-width:780px}.narrow{max-width:820px}.prose{font-size:1rem}.prose h2{margin-top:2em}.prose ul,.prose ol{padding-left:1.3em}.prose li{margin:.6em 0}.compare{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:#fff}.compare table{border-collapse:collapse;width:100%;min-width:690px}.compare th,.compare td{padding:17px 18px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}.compare th{background:#eaf1e8;font-size:.85rem}.compare tr:last-child td{border-bottom:0}.callout{background:#edf4eb;border-radius:var(--radius);padding:22px 26px;margin:24px 0}.breadcrumbs{font-size:.79rem;color:var(--muted);margin-bottom:20px}.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}.quote{font:italic clamp(1.4rem,2.4vw,2rem) Georgia,serif;color:var(--forest);line-height:1.5;padding:24px;border-left:3px solid var(--gold)}
.footer{background:#0f2825;color:#d9e4dc;padding:55px 0 30px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}.footer .brand{color:#fff}.footer p{color:#bacfc3;font-size:.89rem;max-width:460px}.footer-links{display:grid;gap:9px;font-size:.88rem}.footer small{display:block;color:#9eb9ab;border-top:1px solid #33544c;margin-top:35px;padding-top:20px}.contact-card{background:#e7f0e8;border:1px solid #bcd5c5;border-radius:25px;padding:32px}.wechat-id{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:850;letter-spacing:.01em;margin:12px 0}.copy-status{min-height:1.5em;font-size:.82rem;color:var(--green)}.pill{display:inline-block;border:1px solid #b9cdbf;border-radius:999px;padding:5px 12px;font-size:.76rem;font-weight:750;color:var(--green)}.date{color:var(--muted);font-size:.79rem}.cta-band{padding:62px 0;background:#dfece2}.cta-band .split{align-items:center}.cta-band h2{margin:0}
@media(max-width:900px){.nav-links{gap:12px}.hero-grid{gap:30px}.feature-grid,.plan-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.container{width:min(100% - 30px,1160px)}.nav-row{min-height:67px}.menu-button{display:block}.nav-cta{display:none}.nav-links{display:none;position:absolute;top:66px;left:0;right:0;padding:16px 20px 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 15px 25px rgba(0,0,0,.08);flex-direction:column;align-items:stretch;gap:3px}.nav-links.open{display:flex}.nav-links a{padding:10px}.hero{padding:52px 0 65px}.hero-grid,.split,.feature-grid,.plan-grid,.steps,.faq-grid,.footer-grid{grid-template-columns:1fr}.hero-grid{gap:28px}.editorial-card{transform:none}.section{padding:62px 0}.page-hero{padding:48px 0 38px}.cta-band{padding:50px 0}.footer-grid{gap:26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.nav-cta{transition:none}}