:root{--ink:#242824;--muted:#74776d;--orange:#ed6b32;--cream:#f5f3ed;--line:#dddcd4}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#faf9f5;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}a,button{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:5px}header{height:96px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#faf9f5;position:sticky;top:0;z-index:10}.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:26px;letter-spacing:2px}.mark{background:var(--orange);color:white;width:43px;height:45px;display:grid;place-items:center;border-radius:3px;font-size:30px}.logo-sub{display:block;font-size:8px;letter-spacing:2px;margin-top:5px}nav{display:flex;gap:35px;font-size:14px}nav a:hover,.text-link:hover{color:var(--orange)}.header-contact{border:1px solid var(--ink);padding:13px 22px;font-size:13px}.header-contact span{margin-left:22px}.hero{display:grid;grid-template-columns:1fr 1fr;min-height:660px;padding:32px 3% 32px 7%;gap:35px}.hero-copy{padding:33px 0 22px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:600;margin:0 0 28px}.eyebrow i{display:inline-block;background:var(--orange);width:7px;height:7px;border-radius:50%;margin-right:8px}h1{font-size:clamp(42px,4.4vw,68px);line-height:1.32;letter-spacing:-3px;margin:0 0 23px;font-weight:800}h1 span{color:var(--orange)}.hero-description{font-size:15px;line-height:1.9;color:var(--muted)}.hero-price{display:flex;align-items:baseline;gap:9px;margin:24px 0;flex-wrap:wrap}.hero-price>span{font-size:13px}.hero-price strong{font-size:54px;letter-spacing:-3px}.hero-price small{width:100%;font-size:11px;color:var(--muted);margin-top:-5px}.hero-actions{display:flex;align-items:center;gap:23px}.button{padding:17px 23px;display:inline-flex;align-items:center;justify-content:center;gap:30px;font-size:13px;border:0;cursor:pointer;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.orange{background:var(--orange);color:white}.dark{background:var(--ink);color:white}.text-link{font-size:12px}.hero-note{display:flex;gap:24px;font-size:11px;color:var(--muted);margin-top:30px}.hero-visual{position:relative;overflow:hidden;background:#d6d0c3;min-height:590px}.hero-visual>img{height:100%;width:100%;object-fit:cover;position:absolute}.visual-top{position:absolute;top:28px;left:28px;font-size:11px;color:#605c51}.visual-top span{display:block;font-size:8px;letter-spacing:2px;margin-top:9px}.visual-label{position:absolute;bottom:54px;left:30px;font-size:23px;line-height:1.5}.illustration-note{position:absolute;bottom:22px;left:30px;font-size:9px;color:#686458}.visual-seal{position:absolute;right:24px;bottom:28px;background:var(--orange);color:white;width:125px;height:125px;border-radius:50%;display:flex;flex-direction:column;justify-content:center;align-items:center;transform:rotate(-9deg);font-size:16px;border:1px solid #f5a47e;outline:5px solid var(--orange)}.visual-seal strong{font-size:23px}.visual-seal span{font-size:8px;margin-top:8px}.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);padding:33px 7%;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:35px}.trust-strip>div+div{border-left:1px solid var(--line);padding-left:34px}.trust-strip span{font-size:9px;color:var(--muted);letter-spacing:1px}.trust-strip p{font-size:11px;margin:12px 0 7px;color:var(--muted)}.trust-strip b{font-size:21px;font-weight:500}.trust-strip small{font-size:12px}.section{padding:100px 7%}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:44px;gap:30px}h2{font-size:40px;line-height:1.35;letter-spacing:-1.5px;margin:0}h3,h4{margin:0}.section-heading .eyebrow{color:var(--orange);margin-bottom:18px}.section-heading p:not(.eyebrow){font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:0}.section-heading .text-link{display:block;margin-top:16px}.package-grid{display:grid;grid-template-columns:320px 1fr;border:1px solid var(--line)}.price-card{background:#e9e5db;padding:34px;display:flex;flex-direction:column;align-items:flex-start}.pill{border:1px solid #b1b2a5;border-radius:30px;padding:7px 13px;font-size:11px}.big-price{font-size:83px;letter-spacing:-5px;margin-top:20px}.big-price small{font-size:24px;letter-spacing:0}.big-price span{font-size:14px;letter-spacing:0;margin-left:8px}.price-card p{font-size:14px;line-height:1.8;margin:12px 0 33px}.price-card>small{font-size:10px;color:var(--muted);line-height:1.7;margin-top:15px}.included{padding:35px 40px;background:#fffefa}.included h3{font-size:20px}.scope-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px 35px;margin:28px 0}.scope-grid b{font-size:11px;color:var(--orange)}.scope-grid h4{font-size:15px;display:inline;margin-left:10px}.scope-grid p{font-size:12px;color:var(--muted);line-height:1.8;margin:10px 0 0}.service-line{border-top:1px solid var(--line);padding-top:20px;font-size:12px}.service-line p{color:var(--muted);line-height:1.8}.fine{font-size:10px;line-height:1.9;color:var(--muted)}.extras{display:grid;grid-template-columns:170px 1fr 165px;gap:30px;align-items:center;border-bottom:1px solid var(--line);padding:25px 0}.extras>span{font-size:13px;font-weight:bold}.extras p{font-size:12px;line-height:1.8;color:var(--muted)}.extras a{font-size:11px;text-align:right}.quality{background:#28302a;color:#f5f3eb;display:grid;grid-template-columns:1fr 1.1fr;gap:100px}.quality .eyebrow{color:#c3c8b9}.quality h2{font-size:48px}.quality-intro{font-size:13px;line-height:1.9;color:#b6bdae;margin-top:25px}.saving{margin-top:40px}.saving strong{font-size:46px;font-weight:400;color:#eaa374;letter-spacing:-1px}.saving strong span{font-size:23px}.saving p{font-size:12px;color:#d3d5c9}.saving small{font-size:10px;color:#98a492;line-height:1.7;display:block;max-width:350px}.promise-list article{display:flex;gap:20px;padding:32px 0;border-top:1px solid #53604e}.promise-list article:last-child{border-bottom:1px solid #53604e}.promise-list article>span{font-size:10px;color:#a2b09a;padding-top:5px}.promise-list h3{font-size:22px;font-weight:500}.promise-list p{font-size:12px;line-height:1.9;color:#b6bdae;margin:16px 0 0}.promise-list b{font-weight:400;margin-left:auto}.tabs{display:flex;border-bottom:1px solid var(--line);gap:38px;margin-bottom:25px}.tabs button{border:0;border-bottom:2px solid transparent;background:none;padding:16px 0;color:var(--muted);cursor:pointer;font-size:13px}.tabs button[aria-selected=true]{color:var(--orange);border-color:var(--orange)}.material-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.material-card{border:1px solid var(--line);padding:25px;min-height:205px;background:#fffefa}.material-card .brand{font-size:26px;font-weight:700;margin:20px 0}.material-card>span{font-size:10px;color:var(--muted)}.material-card h4{font-size:13px;margin-bottom:10px}.material-card p{font-size:11px;line-height:1.7;color:var(--muted);margin:0}.process{background:#efeee7}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:35px;margin-top:55px}.steps article{border-top:1px solid #bbbeb0;padding-top:25px}.steps span{font-size:33px;font-weight:300;color:#929987}.steps h3{font-size:18px;margin:23px 0 14px}.steps p{font-size:12px;color:var(--muted);line-height:1.9}.procurement{border-top:1px solid #d1d3c7;display:flex;gap:30px;align-items:center;justify-content:space-between;margin-top:50px;padding-top:32px}.procurement span{color:var(--orange);font-size:11px}.procurement h3{font-size:19px;margin-top:12px}.procurement p{font-size:11px;color:var(--muted);line-height:1.8}.outline{border:1px solid var(--ink);white-space:nowrap}.budget{display:grid;grid-template-columns:1.2fr 1fr;gap:95px}.budget .eyebrow{color:var(--orange)}.budget>div>p:not(.eyebrow){font-size:12px;color:var(--muted);line-height:1.8}.budget form{margin-top:30px}.budget label{display:block;font-size:12px;margin-bottom:12px}.input-row{display:flex;gap:10px}.input-row>div{display:flex;align-items:center;border:1px solid var(--line);background:white;flex:1;padding-right:16px}.input-row input{width:100%;border:0;background:none;padding:15px;font-size:20px;min-width:0}.input-row>div span{font-size:12px;color:var(--muted)}.budget .fine{font-size:10px!important}.result{background:#ece9df;padding:45px;display:flex;flex-direction:column;justify-content:center}.result>span{font-size:13px}.result>strong{font-size:57px;letter-spacing:-2px;margin-top:25px;white-space:nowrap}.result>strong small{font-size:24px;margin-right:10px}.result p{font-size:12px;color:var(--muted)}.result hr{width:100%;border:0;border-top:1px solid #cccec1;margin:25px 0}.result>div{display:flex;justify-content:space-between;font-size:11px;gap:10px}.contact{padding:70px 7%;background:var(--orange);color:white}.contact .eyebrow{opacity:.7;margin-bottom:22px}.contact h2{font-size:38px}.contact>div{display:flex;align-items:center;justify-content:space-between;margin-top:25px}.contact p:not(.eyebrow){font-size:12px;line-height:1.9;opacity:.85}.contact a{font-size:36px;letter-spacing:-1px}.contact a span{margin-left:22px}.contact a small{display:block;font-size:11px;letter-spacing:1px;margin-top:10px;text-align:right}footer{display:flex;align-items:center;justify-content:space-between;padding:35px 5%;gap:20px}footer .logo{font-size:18px;letter-spacing:1px}footer .mark{width:30px;height:32px;font-size:21px}footer p,footer>a:not(.logo),footer>span{font-size:10px;color:var(--muted)}.backtop{position:fixed;bottom:24px;right:20px;border:1px solid var(--line);background:#faf9f5;width:36px;height:36px;display:grid;place-items:center}@media(min-width:1600px){main,header,footer{max-width:1600px;margin:auto}}@media(max-width:1100px){nav{gap:18px}.hero{padding-left:5%;gap:20px}.hero-actions{gap:15px}.hero-note{gap:12px}h1{font-size:46px}.section{padding:75px 5%}.quality,.budget{gap:45px}.package-grid{grid-template-columns:280px 1fr}.included{padding:30px}.extras{grid-template-columns:140px 1fr 145px;gap:15px}.trust-strip{padding:25px 5%;gap:15px}.trust-strip>div+div{padding-left:20px}.trust-strip b{font-size:18px}.result{padding:30px}.result>strong{font-size:47px}}@media(max-width:760px){header{height:76px}.logo{font-size:22px}nav{display:none}.header-contact{padding:10px;font-size:11px}.hero{grid-template-columns:1fr;padding:25px 6%;gap:15px}.hero-copy{padding-top:15px}h1{font-size:44px}.hero-visual{min-height:440px}.hero-actions{flex-wrap:wrap}.trust-strip{grid-template-columns:1fr 1fr;gap:25px}.trust-strip>div+div{border:0;padding:0}.section{padding:60px 6%}.section-heading{display:block}.section-heading>p,.section-heading>div+div{margin-top:22px}h2{font-size:32px}.package-grid,.quality,.budget{grid-template-columns:1fr}.price-card{padding:28px}.included{padding:25px}.extras{grid-template-columns:1fr;gap:0}.extras a{text-align:left}.quality{gap:30px}.quality h2{font-size:38px}.promise-list h3{font-size:20px}.tabs{gap:18px;overflow-x:auto}.tabs button{white-space:nowrap;font-size:11px}.material-grid,.steps{grid-template-columns:1fr 1fr;gap:12px}.material-card{padding:18px}.material-card .brand{font-size:22px}.procurement{display:block}.procurement .button{margin-top:15px}.budget{gap:25px}.input-row .button{padding:12px;gap:5px;font-size:11px}.result>strong{font-size:52px}.contact{padding:50px 6%}.contact h2{font-size:29px}.contact>div{display:block}.contact a{display:block;font-size:30px;margin-top:25px}.contact a small{text-align:left}footer{flex-wrap:wrap}footer p{display:none}}

@media(min-width:761px) and (max-width:1000px){h1{font-size:36px;letter-spacing:-2px}.visual-label{font-size:17px;bottom:185px}.visual-seal{width:105px;height:105px}.trust-strip b{font-size:16px}.hero-note{font-size:9px}}
.purchase-guide{margin-top:60px;border-top:1px solid #cbd0c2;padding-top:45px}.purchase-heading{display:flex;align-items:center;justify-content:space-between;gap:30px}.purchase-heading .eyebrow{color:var(--orange);font-size:10px;margin-bottom:18px}.purchase-heading h3{font-size:30px;line-height:1.45;letter-spacing:-1px}.purchase-heading p:not(.eyebrow){font-size:12px;line-height:1.8;color:var(--muted);margin-top:18px}.purchase-heading>a{white-space:nowrap;border-bottom:1px solid #b4baaa;padding-bottom:8px}.purchase-alert{display:flex;gap:24px;align-items:center;flex-wrap:wrap;padding:20px 24px;background:#e5e7da;margin-top:28px;font-size:11px}.purchase-alert b{font-size:12px;margin-right:8px}.purchase-alert span::before{content:'•';color:var(--orange);margin-right:9px}.purchase-toolbar{display:flex;justify-content:space-between;align-items:center;margin:30px 0 16px;font-size:11px;color:var(--muted)}.purchase-toolbar button{border:0;background:transparent;color:var(--ink);font-size:11px;padding:8px 0 8px 20px;cursor:pointer}.purchase-stage{border:1px solid #d8dbce;background:#fafbf5;margin-top:10px}.purchase-stage summary{display:flex;align-items:center;gap:22px;padding:24px 28px;cursor:pointer;list-style:none}.purchase-stage summary::-webkit-details-marker{display:none}.stage-number{font-size:25px;color:#9ca58d;font-weight:300}.stage-title{display:flex;align-items:baseline;gap:25px;flex:1}.stage-title b{font-size:17px}.stage-title small{font-size:11px;color:var(--muted)}.stage-count{font-size:10px;color:var(--muted)}.stage-arrow{font-size:22px;color:#879178;font-weight:300}.purchase-stage[open] .stage-arrow{font-size:0}.purchase-stage[open] .stage-arrow::after{content:'−';font-size:22px}.purchase-stage[open] summary{border-bottom:1px solid #e1e3d8}.purchase-stage[open] .stage-number,.purchase-stage[open] .stage-title b{color:var(--orange)}.stage-content{padding:0 28px 22px}.stage-intro{font-size:12px;color:var(--muted);line-height:1.8;margin:22px 0}.stage-content table{width:100%;border-collapse:collapse;font-size:12px;text-align:left;table-layout:fixed;line-height:1.8}.stage-content thead{background:#ecefe4;color:#68725d;font-size:10px}.stage-content th,.stage-content td{padding:15px 16px;vertical-align:top;border-bottom:1px solid #e3e6da;overflow-wrap:anywhere}.stage-content thead th:nth-child(1){width:29%}.stage-content thead th:nth-child(2){width:24%}.stage-content tbody th{font-weight:500}.stage-content tbody td:last-child{color:var(--muted);font-size:11px}.time-tag{color:#606c52;font-size:11px}.purchase-footnote{font-size:10px;line-height:1.9;color:var(--muted);margin-top:20px;max-width:900px}@media(max-width:900px){.stage-title{display:block}.stage-title small{display:block;margin-top:7px}.purchase-alert{gap:12px 20px}.stage-content{padding:0 16px 16px}.stage-content th,.stage-content td{padding:12px 10px}}@media(max-width:600px){.purchase-heading{display:block}.purchase-heading h3{font-size:26px}.purchase-heading>a{display:inline-block;margin-top:10px}.purchase-alert{padding:18px}.purchase-alert b{width:100%}.purchase-stage summary{padding:20px 16px;gap:12px}.stage-title b{font-size:15px}.stage-title small{font-size:10px}.stage-count{font-size:9px}.stage-content table{font-size:11px}.stage-content th,.stage-content td{padding:12px 7px}.stage-content thead th:nth-child(1){width:29%}.stage-content thead th:nth-child(2){width:27%}}
.scope-caption{font-size:11px;color:var(--muted);line-height:1.8;margin:12px 0 25px}.scope-lists{display:grid;grid-template-columns:1fr 1fr;gap:30px}.scope-lists h4{font-size:14px;border-bottom:1px solid var(--line);padding-bottom:15px}.scope-lists h4 span{font-size:10px;color:var(--orange);margin-right:10px}.scope-checklist{list-style:none;padding:0;margin:8px 0 22px}.scope-checklist li{position:relative;padding:11px 0 11px 20px;font-size:12px;line-height:1.8;border-bottom:1px solid #eeeee6;color:#60665c}.scope-checklist li:before{content:'✓';position:absolute;left:0;color:var(--orange);font-size:11px}.personalized{margin-top:28px;border:1px solid var(--line);padding:34px 38px;background:#f0eee5}.personalized-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.personalized-heading .eyebrow{font-size:10px;color:var(--orange);margin-bottom:14px}.personalized-heading h3{font-size:23px;letter-spacing:-.5px}.personalized-heading p:not(.eyebrow){font-size:12px;line-height:1.8;color:var(--muted);margin-top:12px}.personalized-heading a{white-space:nowrap}.personalized-list{list-style:none;counter-reset:project;display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin:20px 0;padding:0}.personalized-list li{counter-increment:project;position:relative;padding:16px 0 16px 34px;border-bottom:1px solid #dcded1;font-size:12px;line-height:1.9}.personalized-list li:before{content:counter(project,decimal-leading-zero);position:absolute;left:0;top:18px;font-size:10px;color:var(--orange)}.price-card{justify-content:center}@media(max-width:1000px){.scope-lists{grid-template-columns:1fr;gap:10px}.personalized{padding:28px}.personalized-heading{align-items:flex-start}}@media(max-width:600px){.personalized-heading{display:block}.personalized-heading a{display:inline-block;margin-top:12px}.personalized-list{grid-template-columns:1fr}.personalized{padding:24px}.scope-checklist li{font-size:12px}}
.materials-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:30px 34px;border:1px solid var(--line);background:#fffefa;margin-top:22px}.materials-cta>div>span{font-size:11px;color:var(--orange);letter-spacing:1px}.materials-cta h3{font-size:17px;line-height:1.7;margin-top:10px;font-weight:500}.materials-compare-button{font-size:16px;font-weight:600;min-height:68px;padding:22px 30px;gap:32px;white-space:nowrap}.materials-compare-button span{font-size:24px;font-weight:400}@media(max-width:1050px){.materials-cta{flex-direction:column;align-items:stretch}.materials-compare-button{white-space:normal;text-align:center}}@media(max-width:600px){.materials-cta{padding:24px}.materials-compare-button{font-size:14px;padding:20px;gap:18px}.materials-cta h3{font-size:15px}}
/* 主材采购注意事项使用红色强调 */
.stage-content thead th:last-child,
.stage-content tbody td:last-child{color:#c4382b}