:root{--ink:#172b2a;--muted:#657674;--paper:#f7f8f3;--green:#166b58;--lime:#d9ed93;--line:#dce4dc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:inherit}a:focus-visible,summary:focus-visible{outline:3px solid #c3df6c;outline-offset:4px}.topbar{background:#142f2b;color:#fff}.top-inner{max-width:1200px;margin:auto;padding:17px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:750;line-height:1.2;letter-spacing:.04em}.brand-mark{display:grid;place-items:center;background:var(--lime);color:#183d32;width:36px;height:36px;border-radius:8px;font-family:Georgia,serif;font-size:23px}.brand small{display:block;font-size:9px;letter-spacing:.17em;color:#a7c2b8;margin-top:4px}.topbar nav{display:flex;gap:30px;font-size:14px}.topbar nav a{text-decoration:none;color:#dbe9e2}.topbar nav a:hover{color:var(--lime)}.hero{background:#e8f0e7;border-bottom:1px solid #d5e2d6;overflow:hidden}.hero-inner{max-width:1200px;margin:auto;padding:78px 24px 83px;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:70px}.eyebrow,.kicker,.side-label{font-size:11px;letter-spacing:.16em;font-weight:800;color:var(--green)}.eyebrow{display:flex;align-items:center;gap:9px}.eyebrow span{width:8px;height:8px;background:#6b9f65;border-radius:50%}h1{font-size:clamp(36px,4.2vw,57px);line-height:1.3;letter-spacing:-.04em;margin:24px 0;font-weight:800}h1 em{font-style:normal;color:var(--green)}.lead{max-width:560px;color:#526b64;font-size:17px}.hero-actions{display:flex;align-items:center;gap:26px;margin-top:34px;flex-wrap:wrap}.button{background:var(--green);color:#fff;text-decoration:none;padding:13px 20px;border-radius:5px;font-weight:700}.button span{margin-left:25px}.button:hover{background:#104e40}.text-link{font-weight:700;font-size:14px;text-decoration:none}.hero-art{position:relative;padding:25px 15px 20px}.art-window{background:#fff;border:1px solid #c4d5c8;box-shadow:18px 20px 0 #d1e2d0;border-radius:10px;transform:rotate(3deg);overflow:hidden}.art-top{background:#214b40;padding:15px;display:flex;align-items:center;gap:5px}.art-top i{width:7px;height:7px;background:#8eb7a1;border-radius:50%}.art-top span{margin-left:auto;font-size:9px;color:#b5d2c1;letter-spacing:.16em}.art-body{padding:28px}.art-line{width:65%;height:8px;background:#e1ebe3;border-radius:5px;margin-bottom:11px}.art-line.short{width:35%;background:#a7c5ad}.art-panel{display:flex;align-items:center;gap:15px;border:1px solid #dce9de;margin-top:18px;padding:15px;border-radius:5px}.art-panel>span{color:#7fa58a;font-family:Georgia,serif;font-size:21px}.art-panel b,.art-panel small{display:block;font-size:10px;letter-spacing:.1em}.art-panel small{color:#8a9e91;letter-spacing:0}.art-panel strong{margin-left:auto;color:var(--green)}.art-stamp{position:absolute;right:-20px;bottom:-5px;background:var(--lime);padding:17px 21px;font-size:12px;line-height:1.3;font-weight:900;letter-spacing:.1em;transform:rotate(-6deg)}.art-stamp span{font-size:23px}.page-shell{max-width:1200px;margin:auto;padding:68px 24px 100px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:78px}.sidebar{align-self:start;position:sticky;top:30px}.side-label{color:#8a9b91}.sidebar nav{display:grid;border-left:1px solid var(--line)}.sidebar nav a{text-decoration:none;font-size:13px;padding:8px 0 8px 16px;color:#526862}.sidebar nav a:hover{color:var(--green);font-weight:700}.sidebar nav span{font-size:10px;color:#9aaca0;margin-right:8px}.side-note{margin-top:35px;padding:18px;background:#eaf0e5;border-radius:5px;color:#5a7164;font-size:12px}.content{min-width:0}.section{scroll-margin-top:25px;padding-bottom:65px;margin-bottom:65px;border-bottom:1px solid var(--line)}.section:last-child{margin-bottom:0;padding-bottom:0;border:0}.section-heading{display:flex;gap:18px;align-items:flex-start;margin-bottom:23px}.number{font-family:Georgia,serif;color:#8cae9d;font-size:19px;padding-top:3px}.kicker{margin:0 0 4px}.section h2{font-size:30px;line-height:1.35;letter-spacing:-.03em;margin:0}.section p{color:#52645e}.intro{font-size:16px;max-width:740px}.method-grid,.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:25px}.method-card{border:1px solid var(--line);background:#fff;padding:25px;border-radius:7px}.method-card.featured{background:#e8f1e8;border-color:#c9ddca}.card-index,.plan small{font-size:10px;color:var(--green);font-weight:800;letter-spacing:.13em}.method-card h3{font-size:21px;margin:12px 0 6px}.method-card p{font-size:14px;min-height:50px}.method-card a,.plan a{font-size:13px;color:var(--green);font-weight:750;text-decoration:none}.method-card a:hover,.plan a:hover{text-decoration:underline}.warning{display:flex;gap:15px;background:#f4edda;border-left:3px solid #c49846;padding:15px 18px;margin-top:20px;font-size:14px}.warning strong{white-space:nowrap;color:#846127}.warning p{margin:0;color:#6d6048}.checklist{display:grid;gap:0}.checklist>div{display:flex;gap:20px;padding:17px 0;border-bottom:1px solid var(--line)}.checklist span{font-family:Georgia,serif;color:#83a996}.checklist p{margin:0;font-size:14px}.checklist strong{display:block;color:var(--ink);font-size:16px}.steps{list-style:none;padding:0;margin:30px 0 0;counter-reset:step}.steps li{counter-increment:step;display:flex;gap:20px;position:relative;padding-bottom:26px}.steps li:before{content:counter(step,decimal-leading-zero);flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#e0ede2;color:var(--green);font-size:12px;font-weight:800}.steps li:not(:last-child):after{content:"";position:absolute;left:19px;top:42px;bottom:4px;border-left:1px solid #c8dbce}.steps h3{margin:3px 0 5px;font-size:17px}.steps p{margin:0;font-size:14px}.dark-card{background:#193d34;border-radius:7px;padding:22px 25px;margin:25px 0}.dark-card .dark-label{color:#b5d882;font-size:11px;font-weight:800;letter-spacing:.15em;margin:0 0 8px}.dark-card p{color:#eff7ef;margin:0}.plan-grid{margin-bottom:20px}.plan{background:#fff;border:1px solid var(--line);border-radius:6px;padding:20px}.plan h3{margin:5px 0 10px;font-size:18px}.plan p{font-size:13px;margin:7px 0}.plan p b{color:var(--ink);font-size:18px}.plan a{display:inline-block;margin-top:8px}.all-plans{display:flex;justify-content:space-between;padding:16px 20px;background:#e5efe4;color:var(--green);text-decoration:none;font-weight:750;font-size:14px}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:19px 30px 19px 0;font-weight:700;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';position:absolute;right:4px;color:var(--green);font-size:21px;top:14px}.faq details[open] summary:after{content:'−'}.faq p{margin:0 0 20px;font-size:14px}footer{background:#142f2b;color:#b6cbbf;font-size:13px}footer div{max-width:1200px;margin:auto;padding:25px 24px;display:flex;justify-content:space-between;gap:20px}footer b{color:#6e9680;margin:0 8px}footer a{color:#e4f0e8;text-decoration:none}@media(max-width:800px){.hero-inner{grid-template-columns:1fr;gap:25px;padding-top:50px;padding-bottom:55px}.hero-art{max-width:400px;width:90%;margin:auto}.page-shell{grid-template-columns:1fr;gap:45px;padding-top:35px}.sidebar{position:static}.sidebar nav{display:flex;flex-wrap:wrap;border:0;gap:7px}.sidebar nav a{background:#e8f0e7;border-radius:4px;padding:7px 10px}.side-note{display:none}.section{margin-bottom:50px;padding-bottom:50px}}@media(max-width:520px){.top-inner{align-items:flex-start;flex-direction:column;gap:16px}.topbar nav{gap:22px;font-size:13px}.hero-inner{padding-top:38px}h1{font-size:34px}.lead{font-size:15px}.hero-art{width:95%}.method-grid,.plan-grid{grid-template-columns:1fr}.method-card p{min-height:0}.section h2{font-size:25px}.page-shell{padding-left:20px;padding-right:20px}.section-heading{gap:12px}footer div{flex-direction:column;gap:5px}}