/* PREVIEW ONLY — DO NOT DEPLOY / DO NOT PUSH / DO NOT MODIFY DNS. */
:root{--ink:#18302b;--muted:#66756f;--brand:#173c35;--brand-2:#24564c;--gold:#d2aa62;--gold-soft:#eee0bf;--paper:#f7f6f1;--mist:#edf1ed;--line:#d8e0dc;--white:#fff;--radius:22px;--shadow:0 22px 58px rgba(23,60,53,.12)}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;overflow-x:hidden;background:var(--paper);color:var(--ink);font:16px/1.72 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
.container{width:min(1160px,calc(100% - 48px));margin:auto}
.preview-ribbon{background:#e9e6dc;color:#64706c;text-align:center;padding:3px 12px;font-size:10px;line-height:1.5;letter-spacing:.08em;border-bottom:1px solid #dfddd5}
.audit-tag{display:inline-flex;align-items:center;vertical-align:middle;margin-left:7px;padding:2px 6px;border:1px solid currentColor;border-radius:999px;font-size:8px;font-weight:800;line-height:1;letter-spacing:.12em;opacity:.58}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,246,241,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(216,224,220,.78)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;min-width:0}
.brand img{width:62px;height:62px;object-fit:contain;border-radius:14px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:14px;color:#4f605a;position:relative}
.nav a:hover,.nav a[aria-current="page"]{color:var(--brand)}
.nav a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:-9px;height:2px;background:var(--gold)}
.menu-button{display:none;border:1px solid var(--brand);background:transparent;color:var(--brand);border-radius:999px;padding:8px 14px;font-weight:650}
.hero{padding:70px 0 68px}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:68px}
.eyebrow{color:#8a6a31;font-size:12px;font-weight:750;letter-spacing:.17em;text-transform:uppercase}
.hero h1,.page-hero h1{font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(42px,5.6vw,68px);font-weight:600;line-height:1.09;letter-spacing:-.035em;margin:14px 0 20px}
.hero p,.page-hero p{font-size:17px;color:var(--muted);max-width:680px}
.hero-note{max-width:590px}
.actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 23px;border:1px solid var(--brand);border-radius:999px;font-weight:680;transition:transform .2s,background .2s,color .2s}
.button:hover{transform:translateY(-1px)}
.button.primary{background:var(--brand);color:white}
.button.light{background:transparent}
.button.disabled{cursor:not-allowed;opacity:.62}
.hero-image,.visual-frame{position:relative}
.hero-image:before{content:"";position:absolute;inset:18px -18px -18px 18px;border:1px solid var(--gold);border-radius:30px;z-index:-1}
.hero-image img{width:100%;aspect-ratio:1.12;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}
.placeholder-tag{position:absolute;right:14px;bottom:14px;background:rgba(247,246,241,.91);color:#52615c;padding:6px 9px;border:1px solid #fff;border-radius:999px;font-size:10px;font-weight:700;letter-spacing:.04em;backdrop-filter:blur(8px)}
.section{padding:78px 0}
.section.alt{background:var(--mist)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:36px;margin-bottom:34px}
.section h2{font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(30px,3.8vw,46px);font-weight:600;line-height:1.18;letter-spacing:-.02em;margin:7px 0}
.section-head p{max-width:510px;color:var(--muted);margin-bottom:4px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.feature-card{position:relative;min-height:244px;padding-top:72px}
.feature-card:before{content:attr(data-index);position:absolute;top:24px;right:26px;color:#dce6e1;font:600 56px/1 Georgia,serif}
.card-number{color:#94712f;font-size:11px;font-weight:800;letter-spacing:.13em}
.card h3{margin:10px 0 8px;font-size:20px}
.card p{margin:0;color:var(--muted)}
.media-card{padding:0;overflow:hidden}
.media-card .card-body{padding:25px}
.page-hero{padding:60px 0 46px;border-bottom:1px solid var(--line)}
.page-hero .container{display:grid;grid-template-columns:.65fr 1.35fr;gap:40px;align-items:end}
.page-hero h1{font-size:clamp(40px,5vw,60px);margin-bottom:0}
.page-hero p{margin:0 0 5px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split>img,.visual-frame>img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.brand-visual{display:grid;place-items:center;min-height:420px;padding:54px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.brand-visual>img{width:min(100%,360px);aspect-ratio:1;object-fit:contain;box-shadow:none}
.story-layout{align-items:start}
.story-copy{padding-top:12px}
.notice{border-left:2px solid var(--gold);background:#fff;padding:16px 20px;color:var(--muted);margin:26px 0}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}
.fact{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.fact strong{display:block;font-size:13px}
.fact span{font-size:13px;color:var(--muted)}
.value-card{min-height:218px;display:flex;flex-direction:column;justify-content:space-between}
.value-card h3{font-family:Georgia,"Songti SC",serif;font-size:25px}
.service-strip{display:grid;grid-template-columns:.7fr 1.3fr;gap:44px;align-items:center;padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.service-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.service-point{padding:18px;border-left:1px solid var(--line)}
.service-point strong{display:block;margin-bottom:4px}
.service-point span{font-size:13px;color:var(--muted)}

.product-grid{align-items:start}
.product-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.product-visual{height:250px;position:relative;overflow:hidden;background:#dfe8e3}
.product-visual>img{width:100%;height:100%;object-fit:cover}
.product-visual:after{content:"示意素材";position:absolute;left:16px;bottom:14px;padding:5px 9px;background:#f7f6f1d9;border-radius:999px;color:#55635e;font-size:10px;font-weight:700}
.product-visual.one:before{content:"";position:absolute;width:210px;height:210px;border-radius:50%;background:var(--brand);right:-40px;top:46px;box-shadow:-90px -62px 0 -35px var(--gold)}
.product-visual.two{background:var(--brand)}
.product-visual.two:before{content:"";position:absolute;width:76%;height:66%;left:12%;top:17%;border:1px solid #f7f6f180;border-radius:120px 18px 120px 18px;transform:rotate(-8deg);box-shadow:26px 24px 0 #d2aa6255}
.product-visual.three{background:#e7ddc8}
.product-visual.three:before{content:"";position:absolute;inset:34px;background:repeating-linear-gradient(135deg,var(--brand) 0 12px,transparent 12px 28px);clip-path:polygon(50% 0,100% 100%,0 100%);opacity:.88}
.product-card:nth-child(2){margin-top:32px}
.product-card:nth-child(3){margin-top:64px}
.product-card .card-body{padding:24px 25px 27px}
.product-card h3{font-size:21px;margin:10px 0 7px}
.product-card p{color:var(--muted);margin:0}
.scope-note{display:flex;gap:16px;align-items:flex-start;margin-top:44px;padding:22px 24px;border:1px solid var(--line);border-radius:16px;color:var(--muted);background:#fff}
.scope-note strong{color:var(--brand);white-space:nowrap}

.portfolio{display:grid;grid-template-columns:1.35fr .65fr;grid-template-rows:auto auto;gap:22px}
.case-card{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.case-card.featured{grid-row:1/3}
.case-visual{position:relative;min-height:248px;background:linear-gradient(140deg,#173c35,#2c675b);overflow:hidden}
.featured .case-visual{min-height:372px}
.case-photo>img{width:100%;height:372px;object-fit:cover}
.case-visual:before{content:"";position:absolute;width:270px;height:270px;border:1px solid #d2aa6299;border-radius:50%;right:-40px;top:-30px;box-shadow:-90px 135px 0 -55px #f7f6f126}
.case-visual.variant-b{background:linear-gradient(145deg,#d9c18e,#f2eadb)}
.case-visual.variant-b:before{border-color:#173c3588;right:30px;top:40px;box-shadow:-70px 70px 0 -70px #173c35}
.case-visual.variant-c{background:linear-gradient(145deg,#dce5e0,#a9beb5)}
.case-visual.variant-c:before{border-radius:20px;transform:rotate(24deg);border-color:#173c3570}
.case-badge{position:absolute;top:16px;left:16px;background:#f7f6f1e8;color:var(--brand);border-radius:999px;padding:6px 10px;font-size:10px;font-weight:800;letter-spacing:.08em}
.case-content{padding:26px}
.case-content h3{margin:8px 0 17px;font-size:23px}
.case-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;border-top:1px solid var(--line);padding-top:17px}
.case-meta small{display:block;color:#8a6a31;font-size:10px;font-weight:800;letter-spacing:.08em}
.case-meta span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
.portfolio>.case-card:not(.featured){display:grid;grid-template-columns:.8fr 1.2fr}
.portfolio>.case-card:not(.featured) .case-visual{min-height:100%}
.portfolio>.case-card:not(.featured) .case-meta{grid-template-columns:1fr;gap:10px}
.portfolio>.case-card:not(.featured) .case-meta div:nth-child(3){display:none}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.contact-panel{padding:34px;border-radius:var(--radius);background:var(--brand);color:#fff;display:flex;flex-direction:column}
.contact-panel p{color:#c9d5d1}
.contact-list{display:grid;gap:12px;margin-top:24px}
.contact-item{padding:17px 18px;border:1px solid #ffffff26;border-radius:14px;background:#ffffff0b}
.contact-item small{display:block;color:#b8c9c3;margin-bottom:2px}
.contact-item strong{font-size:14px;font-weight:600}
.contact-reminder{margin-top:auto;padding-top:28px;color:#adc0ba;font-size:12px}
.contact-form{padding:34px}
.form-intro{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}
.form-intro h2{margin:0}
.form-intro .audit-tag{color:#816225}
.field{margin-bottom:16px}
label{display:block;font-weight:650;margin:0 0 6px;font-size:14px}
input,textarea{width:100%;border:1px solid #cbd6d1;background:#fbfcfa;border-radius:12px;padding:12px 14px;color:var(--ink);outline:none}
input:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px #d2aa6225}
textarea{min-height:118px;resize:vertical}
.form-status{min-height:24px;color:#70551f;margin:10px 0 0;font-size:13px}
.site-footer{background:var(--brand);color:white;padding:46px 0 28px}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:start}
.footer-brand{font-family:Georgia,"Songti SC",serif;font-size:20px}
.footer-nav{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:#d9e1de}
.footer-note{color:#aebfba;font-size:12px;margin-top:24px;padding-top:18px;border-top:1px solid #ffffff20}
.footer-audit{font-size:9px;letter-spacing:.12em;color:#7f9991;margin-top:8px}

@media(max-width:900px){.nav{gap:18px}
.hero-grid{gap:42px}
.portfolio{grid-template-columns:1fr}
.case-card.featured{grid-row:auto}
.portfolio>.case-card:not(.featured){grid-template-columns:.7fr 1.3fr}
.service-strip{grid-template-columns:1fr}
.product-card:nth-child(n){margin-top:0}
}

@media(max-width:760px){.container{width:min(100% - 28px,1160px)}
.preview-ribbon{font-size:9px}
.nav-wrap{min-height:68px}
.brand img{width:166px}
.menu-button{display:block;min-height:40px}
.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:20px 24px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:18px}
.nav.open{display:flex}
.nav a{min-height:32px}
.nav a[aria-current="page"]:after{bottom:1px}
.hero{padding:42px 0 52px}
.hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:34px}
.hero h1{font-size:clamp(39px,12vw,50px)}
.hero-image{order:-1;margin-right:12px}
.hero-image:before{inset:12px -12px -12px 12px}
.section{padding:56px 0}
.section-head{display:block}
.grid-3,.grid-2{grid-template-columns:1fr}
.page-hero{padding:44px 0 38px}
.page-hero .container{grid-template-columns:1fr;gap:12px}
.page-hero h1{font-size:42px}
.facts{grid-template-columns:1fr 1fr}
.service-points{grid-template-columns:1fr}
.service-point{border-left:0;border-top:1px solid var(--line)}
.product-grid{gap:16px}
.product-visual{height:220px}
.portfolio>.case-card:not(.featured){grid-template-columns:1fr}
.portfolio>.case-card:not(.featured) .case-visual{min-height:190px}
.case-meta{grid-template-columns:1fr;gap:10px}
.contact-panel,.contact-form{padding:26px 22px}
.footer-grid{grid-template-columns:1fr}
.footer-nav{gap:14px 18px}
}

@media(max-width:390px){.container{width:calc(100% - 24px)}
.brand img{width:154px}
.hero h1{font-size:38px}
.actions{display:grid}
.button{width:100%}
.facts{grid-template-columns:1fr}
.card{padding:23px}
.feature-card{padding-top:64px}
.case-content{padding:22px}
.scope-note{display:block}
.scope-note strong{display:block;margin-bottom:6px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.button{transition:none}
}